20results about How to "Avoid overstretching" patented technology

The utility model relates to fiber yarn processing technical field, and disclose a kind of creel structure for fiber yarn processing, including base;The top of base is provided with mounting table, the inside of mounting table is provided with movable slot, the inside of movable slot is provided with tensioning assembly, the side of mounting table is provided with mounting hole, fixed assembly is provided in mounting hole, the outside of fixed assembly is provided with yarn drum;The tensioning assembly includes gear.The utility model drives gear rotation by starting motor, gear rotation drives two rack movement, rack movement drives fixed bin movement, fixed bin movement drives connecting rod and tensioning roller movement by connecting block, when the tension of yarn suddenly increases or reduces when operation error leads to, reset spring will drive connecting block movement, connecting block movement drives connecting rod and tensioning roller movement, to avoid the effect that yarn skids or overstretching is reached.

This utility model relates to a simple adhesive application device suitable for dispensing machines, comprising a housing with a cleaning port at the top and a partition installed inside the housing. Below the cleaning port, the partition has a contact adjustment block with several adjustment holes, connected to the partition via adjustment screws. The partition divides the housing into a storage space and a control space. On one side of the storage space, a feeding mechanism and a winding mechanism are installed, each connected to an adhesive strip. On the other side of the control space, a feeding drive and a winding drive are installed. Thus, the device, through its adjustable contact adjustment block, can accommodate the end-face cleaning of flat nozzle dispensing heads and the wrap-around cleaning of immersion needle dispensing heads, meeting the cleaning needs of different types of dispensing heads.

The invention discloses a flexible display screen folding and unfolding device and an electronic device, and relates to the technical field of electronic equipment.The flexible display screen folding and unfolding device comprises a first support, a second support and a driving mechanism, and the first support is slidably connected with the second support; the driving mechanism is arranged on the first support and the second support and used for driving the first support and the second support to slide relatively, the driving mechanism comprises a first driving assembly and a second driving assembly, and the first driving assembly is fixedly arranged on the first support and connected with the second support; the second driving assembly is fixedly arranged on the second support and connected with the first support, so that the second driving assembly and the first support have a more stable contact state and are not prone to deviation or separation under the dynamic load, continuous transmission of force is kept, vibration and noise generated by unstable interaction force can be reduced, and the service life of the device is prolonged. And the relative movement of the first bracket and the second bracket can be ensured to be more stable and smoother.

The utility model discloses a production injection molding machine mould locking structure relates to injection mould technical field. The utility model discloses a mould body, and the mould body includes fixed mode, and the right wall of fixed mode is equipped with the removal mode, and the inside of the slot is inserted with the plug -in strip of left wall length greater than right wall length, and the upper portion of rectangular sheet is equipped with pressure sensor, and the connecting strip of the clearance cooperation of the removal mode is included to the removal mode, and the inside of the recess is equipped with the push plate fixed with connecting strip, and the right -hand member of connecting strip is equipped with the removal strip of left wall length greater than right wall length fixedly, and the lower portion of removal strip is equipped with the vertical board of left wall length less than right wall length, and the lower portion of vertical board is equipped with electric telescopic handle. The utility model discloses a pressure sensor detects the pressure and makes controller control hydraulic cylinder stop working, makes the removal mode be in proper die closing position, and through vertical board, makes the removal strip removal drive push plate left and removes injection molding piece from injection molding groove, need not manual removal injection molding piece.

The utility model discloses a wide wall paper winding device relates to mechanical engineering technical field, the utility model discloses a base, the base top fixedly connected with the object table, be provided with the flattening mechanism on the object table, be provided with the adjusting mechanism on the object table, the flattening mechanism includes the connecting shell fixedly connected in the object table top, the utility model discloses a moving block has been set, and the thickness of wall paper self will slightly push up gyro wheel no.

The utility model discloses a novel take-up type winding mechanism for a polytetrafluoroethylene film, which relates to the technical field of winding mechanisms, and adopts the technical scheme that the novel take-up type winding mechanism comprises a case, two cross beam swing arms are connected in the case through bearings, a second connecting shaft is fixedly arranged between the two cross beam swing arms; a floating guide roller is connected between the two cross beam swing arms through bearings, a first air cylinder is installed in the machine box, the tail end of the first air cylinder is movably connected with the machine box through a rotating shaft, a connecting frame is installed at the output end of the first air cylinder, and a second connecting shaft penetrates through the connecting frame and is connected with the connecting frame through a bearing. According to the automatic winding machine, the rhythm of the whole production process is improved, the winding quality is greatly improved, the consistency and excellent quality of products are ensured, the situation of excessive stretching or insufficient tension of materials in the winding process is avoided through accurate tension control, the physical performance and quality of the materials are protected, and the labor intensity is reduced.

The utility model discloses a lily seedling cultivation basket matched with a bracket, which relates to the technical field of flower seedling cultivation and comprises a fixed bracket, an upper support plate and a lower support plate, fixed plates are mounted and connected on two sides of the fixed bracket, the upper support plate is mounted on the fixed bracket, and the lower support plate is mounted below the fixed bracket. A supporting rod is arranged between the upper supporting plate and the lower supporting plate, a plurality of holes are formed in the supporting rod, a plurality of clamping plates are installed on the supporting rod, a cultivation basket is installed between the clamping plates, and the cultivation basket comprises a fixing head, a bottom plate and a breast board. If not matched, air circulation may be unsmooth, the risk of plant diseases and insect pests and mould growth is increased, and the health of the nursery stocks is affected. By installing the supporting rods and adopting a detachable structure, the height and the supporting angle of the cultivation basket can be adjusted according to different requirements. When the nursery stocks grow to different stages, different spaces and heights are needed.

The utility model discloses an asphalt blade coating device for waterproof coiled material processing, and relates to the technical field of coiled material processing. The device comprises an operation table, a first adjusting mechanism is arranged on the operation table, the first adjusting mechanism comprises a [-shaped frame fixedly connected to the top of the operation table, a [-shaped plate is slidably connected to the inner wall of the [-shaped frame, and sliding grooves are formed in the inner wall of the front side and the inner wall of the rear side of the [-shaped plate. The inner walls of the two sliding grooves are fixedly connected with first sliding rods, and the two first sliding rods are slidably connected with sliding blocks. According to the utility model, the first adjusting mechanism can adapt to the fluctuation of the thickness of the coiled material, so that the coiled material can be well attached to the surface of the coiled material no matter how the thickness of the coiled material changes, asphalt is uniformly scraped and coated on the coiled material, the overall quality of the waterproof coiled material is improved, meanwhile, the impact force can be effectively buffered in the scrape coating process, and the service life of the coiled material is prolonged. The damage to the coiled material caused by excessive pressure is avoided, and the integrity and the physical property of the coiled material are ensured.

This utility model relates to the field of fiber twisting technology, specifically a PET fiber twisting device, including a frame, a drive mechanism and a base fixedly mounted on the frame, a twisting mechanism rotatably mounted on the base, the twisting mechanism including a steel ring and a mandrel, the steel ring fixedly connected to the base, a twisting ring slidably mounted on the steel ring, the mandrel fixedly mounted on the drive mechanism, the mandrel rotatably connected to the base, a yarn bobbin sleeved on the mandrel, the inner wall of the yarn bobbin having several protrusions fixedly connected in an annular shape at equal intervals, the protrusions engaging with the mandrel; by engaging the protrusions with the yarn bobbin, it is ensured that the yarn bobbin rotates synchronously with the mandrel, avoiding slippage causing interruption of material supply; the steel ring provides a stable sliding track for the twisting ring, and together with the rotational power of the mandrel, ensures that the twisting ring is always subjected to uniform torsional force during the twisting process, avoiding local undertwist or overtwist due to trajectory deviation.

The invention discloses a knitted fabric heat-setting machine which comprises a rack, an unwinding device, a winding device, a steam humidifying assembly, a drying assembly and a fabric flattening device, the unwinding device and the winding device are arranged on the two sides of the rack, a partition plate is arranged in the rack, and an inner cavity of the rack is divided into a humidifying cavity and a drying cavity by the partition plate; the steam humidifying assemblies and the drying assemblies are located in the humidifying cavity and the drying cavity correspondingly, the number of the steam humidifying assemblies is two, and the two steam humidifying assemblies and the two drying assemblies are located on the upper side and the lower side of the knitted fabric. The first needling rod and the second needling rod apply tension to knitted fabric conveyed in the rack to straighten and flatten the knitted fabric, then the knitted fabric is dried and shaped through the drying assembly, wrinkles of the knitted fabric can be eliminated, and meanwhile the size of the shaped knitted fabric can be more stable.

The utility model relates to the technical field of conveying device, more specifically, especially, it relates to the component of instant noodle block poking rod with automatic tensioning function, include: conveying track, chain, one end of swing arm is rotatively connected with frame, and tension sprocket rotatory setting is in the other end of swing arm, spring nose is fixed on swing arm's one end near tension sprocket and frame respectively, and the both ends of tension elastic part are connected with two spring nose respectively, the one side above swing arm is fixed with support plate, and is installed with adjusting screw on support plate through screw thread rotation, and one end of adjusting screw is in abutment with swing arm's one side away from tension elastic part, the utility model discloses the improvement of the component of instant noodle block poking rod with automatic tensioning function, has the advantage that the elongation or relaxation in the operation of automatic compensation chain is maintained chain constant working tension, thereby effectively solve the problem and the deficiency in prior art and equipment.

The cloth hot press comprises a workbench, a top plate, an air cylinder, a mounting plate, a hot press and a vacuum adsorption roller, the top plate is arranged on the workbench through a supporting column, the air cylinder is fixedly arranged on the top plate, the mounting plate is connected with the air cylinder and driven by the air cylinder to ascend and descend, and the hot press is fixedly arranged in the center of the lower end of the mounting plate. The vacuum adsorption rollers are arranged on the two sides of the mounting plate in a sliding mode through sliding rods, and anti-winding mechanisms are arranged on the sides, away from the hot press, of the vacuum adsorption rollers. The cloth flattening device has the advantages that the cloth is flattened through cooperation of the adsorption force of the vacuum adsorption roller and rotation, the cloth only receives the adsorption force of the vacuum adsorption roller, and after the cloth is flattened, the adsorption force of the vacuum adsorption roller can be overcome under the action of the elastic force of the cloth, namely the cloth cannot be excessively stretched to cause deformation; and an anti-winding mechanism is arranged, so that the situation that the cloth is excessively stretched due to the fact that the cloth is wound by the vacuum adsorption roller can be avoided.

The invention discloses an automatic template cleaning, oiling and intelligent tensioning integrated system, and relates to the related field of templates, the system comprises a moving seat, a bearing plate is fixedly mounted at the side position of the top of the moving seat, and the top of the bearing plate is connected with a lifting appliance; a cleaning mechanism is installed at the bottom of the adjusting plate, and the outer side of the cleaning mechanism is used for being attached to the side wall of the formwork. The two sets of elastic air bags are installed in storage boxes, close to the left side and the right side of the hydraulic control part, of the top of the movable base correspondingly, liquid outlets of the storage boxes are connected with the tops of spraying pipes, and the outer sides of the spraying pipes are used for being arranged towards a formwork. According to the automatic cleaning, oiling and intelligent tensioning integrated system for the template, the PLC is in linkage with the pressure sensor, the displacement sensor and the hydraulic regulation and control part, precise control over tensioning pressure and displacement is achieved, cleaning water or a release agent is precisely sprayed to the surface of the template through the spraying pipe, it is ensured that the cleaning and oiling procedures are smoothly connected, and the working efficiency is improved. And the subsequent concrete pouring and demolding quality is guaranteed.

The utility model relates to the field of physical fitness equipment, and discloses a three-position leg pressing device for outdoor fitness, which comprises a stand column, the outer wall of the stand column is connected with a sliding sleeve in a sliding manner, the outer wall of the sliding sleeve is fixedly connected with a handrail, the bottom of the handrail is fixedly connected with a support column, and the middle of the support column is fixedly connected with a pressing rod. A protection assembly is arranged on the outer wall of the handrail and used for protecting the hands and the legs, and a buffering assembly is arranged in the supporting column and used for buffering the legs to improve the comfort degree; the protection assembly comprises anti-skid lines. According to the leg pressing device, the problems that a user is difficult to protect by the leg pressing device, and discomfort and even slight scratch are easily caused during use are solved, and the purposes of reducing the pressure of direct contact between the hand and the platform and between the leg and the platform and avoiding discomfort or scratch caused by hard materials are achieved.

The utility model discloses an anti-seismic water supply and drainage pipeline joint structure, and relates to the technical field of pipeline joints. The telescopic pipe comprises a left pipe body, a right pipe body and a telescopic pipe arranged between the left pipe body and the right pipe body, the telescopic pipe comprises a telescopic part and a connecting part, and the connecting part extends into inner cavities of the two pipe bodies and is fixedly connected with the two pipe bodies; a left mounting ring and a right mounting ring are respectively arranged at adjacent ports of the left pipe body and the right pipe body, a group of lantern rings are arranged on the opposite surfaces of the left mounting ring and the right mounting ring along the circumferential direction, and tension springs are hung between the lantern rings on the left mounting ring and the lantern rings on the right mounting ring at opposite positions. The two mounting rings are arranged at the joint of the two pipe bodies, and the group of tension springs are hung between the two mounting rings, so that when the pipe bodies are shocked, the telescopic pipe can be stretched to play a role in flexible shock absorption, and meanwhile, the tension springs can be unfolded along with the shock to limit the stretching of the telescopic pipe to a certain extent through the resilience force of the tension springs; and after the vibration is finished, the extension tube is pulled back and reset by the tension spring.

The utility model discloses a kind of knitted fabric steam setting devices, including rack and symmetrically installed on rack for conveying fabric conveying belt, rack is fixedly connected with mounting bracket, and mounting bracket and conveying belt form steam cavity between, further including symmetrically installed on mounting bracket's stand, symmetrically and rotationally set up guide for transmission fabric on stand.The utility model can complete pre-heating softening in the process of fabric conveying by setting preheating plate inside conveying belt, effectively eliminate knitted fabric weaving residual internal stress;While matching swing-adjustable first roller and slidable second roller, using gear and meshing tooth meshing transmission and first hydraulic rod tension control structure, can adapt to different width different knitted fabric of gram weight, whole process keeps fabric conveying tension balanced, effectively prevent fabric walking deviation, local relaxation, excessive stretching and surface wrinkle deformation, greatly improve fabric conveying stability and processing adaptation range.

The embodiment of the present application provides a kind of clothes processing equipment, including bearing main body, at least one first cylinder body component and at least one first air duct system, bearing main body has accommodating space, first air duct system includes mutually connected air duct main body, at least one flexible pipe structure, air duct main body is connected with first cylinder body component by at least one flexible pipe structure, and flexible pipe structure is in compressed state.The clothes processing equipment provided by the embodiment of the present application, flexible pipe structure is assembled to air duct main body and first cylinder body component between compressed state, can generate initial elastic force, when the overall weight of first cylinder body component becomes large, it will stretch flexible pipe structure, and because flexible pipe structure is in compressed state after assembly, therefore, after first cylinder body component stretches flexible pipe structure, flexible pipe structure recovers at least part of elastic deformation to resist stretching to a certain extent, in this way, prevent overstretching flexible pipe structure.

This utility model relates to a heat-sealing device for the production of chemical protective suits, belonging to the technical field of chemical protective suit production equipment. It includes a workbench, a heat-sealing mechanism mounted on top of the workbench, and a first and second rolls of coated fabric rotatably connected to one side of the top of the workbench. One side of the top of the workbench is equipped with an adjustable winding mechanism for winding coated fabrics of different thicknesses and materials. The other side of the top of the workbench is equipped with a cleaning device. This heat-sealing device for chemical protective suit production uses an electric push rod to extend and retract, driving a slider to move and adjust the distance between the pressure roller and the winding roller, precisely controlling the winding pressure to prevent fabric wrinkles or excessive stretching, thus improving winding quality. A negative pressure fan creates negative pressure inside the mounting box, drawing dust and impurities from the surface of the conveyor roller into the mounting box, ensuring the cleanliness of the coated fabric and improving product quality. A geared motor drives the conveyor roller to rotate, ensuring smooth fabric transfer to the heat-sealing mechanism and optimizing the production process.

This invention discloses a decorative panel edge film processing device and method, including a fixing base with a boss at its upper end. The boss can be inserted to install a decorative panel. The decorative panel includes an extension plate, and a film body is attached to the outer wall of the decorative panel. The film body includes an edge film, which is attached to the extension plate and extends from the outer wall of the extension plate, around the bottom surface of the extension plate, to the inner wall of the extension plate. A pressure plate is installed on the inner wall of the extension plate, and the pressure plate has a second protrusion. The extension plate has a second slot corresponding to the second protrusion, and the second protrusion can be inserted into the second slot. Moving rods are slidably connected to both sides of the fixing base. The second protrusion is higher than the moving rods, and the moving rods can move up and down along the inner wall of the fixing base. The moving rods include a rod portion three located at the top. When the moving rod moves upward, one side of the rod portion three moves against the inner wall of the extension plate to adhere the edge film to the inner wall of the extension plate. This invention provides a decorative panel edge film processing device and method with a secure fixing method to avoid film detachment.

The application discloses a cigarette lighter with lighting function and a control method thereof, and aims to provide a cigarette lighter with multiple flashlight modules, high practicability and simple structure and a control method thereof, and the technical scheme is characterized in that the cigarette lighter comprises a shell and a cigarette lighting assembly arranged in the shell, the cigarette lighting assembly comprises a rotating shell rotatably connected to the shell, a cigarette lighting module arranged on the surface A of the rotating shell, a flashlight module arranged on the surface B of the rotating shell, a reading module arranged on the surface C of the rotating shell, a storage power supply electrically connected to each module and arranged in the shell, and a control module arranged in the shell, the rotating shell is configured to form a rotating connection state with the shell, keep a continuous passage with the storage power supply, and realize the use of different module practical functions at the same time through the control module arranged in the shell. The application is suitable for the technical field of cigarette lighters.