312results about How to "Facilitate stripping" patented technology

The invention belongs to the field of ring main units, and particularly relates to a ring main unit pressure relief device and a ring main unit thereof.The ring main unit pressure relief device comprises a cabinet body and a gas treatment assembly, the gas treatment assembly comprises a first pressure relief pipeline, the first pressure relief pipeline is fixedly installed on the outer wall of the cabinet body, and one end of the first pressure relief pipeline extends into the cabinet body; the bottom of the first pressure relief pipeline fixedly communicates with a second pressure relief pipeline, the bottom of the second pressure relief pipeline fixedly communicates with a sleeve, and a second one-way valve is arranged on the inner wall of the second pressure relief pipeline; according to the ring main unit pressure relief device and the ring main unit thereof, low fluoride in SF6 gas is treated through the gas treatment assembly, the situation that the low fluoride is exhausted to the outside and threatens the health of surrounding constructors is avoided, the SF6 gas exhausted from the gas conveying pipeline circulates along the inclined face of the bottom of the extension plate, the SF6 gas can be better fused with an alkaline solution, and the safety of the ring main unit is improved. And by arranging the spoiler, SF6 gas is wrapped, and the retention time of the SF6 gas in the alkaline solution is prolonged.

The invention belongs to the technical field of optical cables, and particularly relates to an optical fiber ribbon optical cable with butterfly-shaped units, the optical fiber ribbon optical cable is provided with an outer protective layer and an inner protective layer, the inner protective layer is located in the outer protective layer, the outer protective layer is composed of four butterfly-shaped units and four outer protective layer side edges, and in the same cross section, the four outer protective layer side edges are located on the four edges of a square respectively. The four butterfly-shaped units are respectively located at four vertex angles of the square, a first U-shaped cavity and a second U-shaped cavity are formed in the inner protective layer, the first U-shaped cavity and the second U-shaped cavity are mutually nested, and an optical fiber ribbon is arranged in at least one of the first U-shaped cavity and the second U-shaped cavity; the optical fiber has the beneficial effects of simple structure, good mechanical property, good optical cable adaptability, high fiber core capacity and the like.

The invention belongs to the technical field of new energy batteries, and particularly relates to a rechargeable fiber magnesium oxygen battery based on a negative electrode protection layer and a preparation method thereof. The rechargeable fiber magnesium oxygen battery is of a coaxial structure, and comprises a metal magnesium wire negative electrode with a protective layer, an electrolyte layer and a platinum / carbon and ruthenium dioxide loaded carbon nanotube film air positive electrode from inside to outside in sequence. The preparation method comprises the following steps: preparing the metal magnesium wire surface protection layer, preparing the electrolyte, preparing the positive electrode and assembling the fiber magnesium oxygen battery. Wherein the zinc / magnesium-based surface protection layer is constructed through a replacement reaction, and can be firmly adhered to the surface of the magnesium negative electrode, so that the magnesium negative electrode is prevented from generating a passivation layer after being opposite to air. Meanwhile, the protective layer has the characteristics of magnesium ion conduction and electronic insulation, can promote transmembrane transmission of magnesium ions under the driving of an electric field, and ensures normal proceeding of a magnesium negative electrode deposition stripping reaction.

The invention relates to the technical field of silicon carbide wafer processing, and specifically to a low-loss silicon carbide wafer slicing method. The invention comprises the following steps: S1, taking a silicon carbide crystal ingot with a thickness of 3.5-6 cm, and cutting it into a silicon carbide crystal column with a thickness of 825-4000 μm by laser cutting; S2, using laser invisible cutting to form cracks on the silicon carbide crystal column obtained in step S1, forming a silicon carbide thin slice with a thickness of 80-200 μm and a silicon carbide thick slice with a thickness of 625-3920 μm on the silicon carbide crystal column, and then applying an adhesive on the silicon carbide thin slice. During slicing, only grinding loss is generated each time, and the loss generated when slicing silicon carbide is smaller. For each 1000 μm silicon carbide crystal column, 6 silicon carbide thin slices can be separated, which can not only separate more silicon carbide thin slices than the traditional multi-wire cutting technology, but also generate less loss, thereby effectively reducing the processing cost of the silicon carbide wafer.

The invention discloses a direct coal liquefaction residue solvent extraction deliming method, refined asphalt and application, and relates to the technical field of solid waste resource treatment. According to the method, process conditions and process parameters are reasonably controlled, the thermal dissolution effect of an extraction agent and the liquefied residues is improved, a scale inhibitor composed of a multi-element alkyl organic matter, an auxiliary and coking washing oil is mixed with the extraction agent, then the ground liquefied residues are added into a material obtained through mixing, and the extraction agent and the liquefied residues are mixed uniformly. The slurry is prepared by controlling the stirring speed, the reaction temperature and the like; due to the addition of the scale inhibitor, the concentration of the residue extraction liquid is improved, and the treatment capacity and efficiency are enhanced; and a filter used for precision filtration adopts a stainless steel metal sintered filter element, so that the filter is resistant to higher temperature and pressure, the service life can be prolonged, and the stripping of viscous materials such as asphaltene in the liquefied residues is facilitated. The ultralow-ash refined asphalt prepared by the method can be used as a high-quality raw material of a high-end carbon material.

The invention discloses a preparation method and application of a two-dimensional composite material. The preparation method comprises the following steps: adding MXene into formamide, carrying out ultrasonic dispersion to obtain an MXene formamide dispersion liquid, then adding MgAl LDH into the MXene formamide dispersion liquid, carrying out magnetic stirring, washing with absolute ethyl alcohol, and carrying out vacuum drying to obtain a two-dimensional composite material which is marked as MgAl LDH / MXene. The two-dimensional composite material is used for a lithium-sulfur battery diaphragm barrier layer so as to inhibit the shuttle effect of polysulfide. The preparation method is simple and environment-friendly, and the prepared MgAl LDH / MXene two-dimensional composite material is high in specific surface area, has strong affinity to polysulfide, can promote rapid transmission of lithium ions, can provide an instant electron conduction way for adsorbed polysulfide, is applied to a diaphragm barrier layer of a lithium-sulfur battery, and has a good application prospect. The wettability of the electrolyte on the diaphragm and the conversion of polysulfide are enhanced, the problem of volume expansion in the cycle process of the lithium-sulfur battery is relieved, and the redox reaction kinetics is accelerated.

The invention belongs to the technical field of polymer composite materials, and particularly relates to a high-strength corrosion-resistant ABS composite flame-retardant material and a preparation method thereof. The ABS composite flame retardant material is prepared from the following raw materials in parts by weight: 60 to 75 parts of acrylonitrile-butadiene-styrene, 10 to 15 parts of glass fiber, 0.5 to 1 part of gamma-aminopropyltriethoxysilane, 8 to 12 parts of phosphorus-nitrogen flame retardant, 1 to 3 parts of nano aluminum oxide, 0.5 to 1 part of potassium perfluorooctane sulfonate, 1 to 3 parts of epoxy modified graphene oxide and 5 to 8 parts of modified nano montmorillonite. Through the synergistic effect of the epoxy silane modified graphene oxide and the long-chain alkylsilane modified nano montmorillonite, the mechanical property, the corrosion resistance and the flame retardant effect of an ABS matrix are remarkably enhanced. The modified material maintains toughness under high strength, effectively avoids embrittlement, and shows excellent impact resistance and environmental protection property.

The invention discloses an inner barb demolding mechanism and method for an automobile lamp injection mold, and particularly relates to the technical field of injection molding.The inner barb demolding mechanism for the automobile lamp injection mold comprises a lower mold and an upper mold, and a forming insert is arranged on the lower mold. Intermittent control over the multiple inner barb pieces and the formed product can be completed through the demolding mechanism, early-stage demolding control over the inner barb positions of the formed product can be completed through the gap propelling design, the problem that the formed product is damaged is avoided, meanwhile, multi-mode demolding operation is adopted, damage to the formed product is avoided, and the production efficiency is improved. Through the design of the knocking mechanism, stable knocking force can be provided in the early stage of demolding, stripping of a formed product is accelerated, the demolding process is shortened, meanwhile, cooling liquid can be continuously fed into the multiple inner barb pieces to complete cooling molding, the problem that the demolding effect is affected due to incomplete cooling of the inner barb piece areas is solved, the yield is increased, and the production cost is reduced. And the scrap quantity is reduced.

The invention provides photoresist stripping liquid as well as a preparation method and application thereof. The photoresist stripping liquid comprises the following components in parts by weight: 5-30 parts of quaternary ammonium base; 5 to 30 parts of alcohol amine; 20-45 parts of a polar solvent; 0.5 to 5 parts of a sulfonyl hydrazide corrosion inhibitor; 0.5 to 6 parts of a pyrithiourea corrosion inhibitor; and 15 to 40 parts of deionized water. The photoresist stripping liquid disclosed by the invention has the capability of efficiently removing photoresist, and also shows low corrosivity and high chemical inertness on a base material. The photoresist stripping liquid not only improves the production efficiency of semiconductors, but also reduces the influence of the environment, is suitable for each link in a semiconductor manufacturing process, and is particularly suitable for removing the photoresist of a III-V compound (such as gallium arsenide GaAs) base material and a metal (such as copper Cu) base material.

The invention discloses a preparation method of a high-quality beta-Ga2O3 film based on Van der Waals epitaxial growth. The preparation method of the high-quality beta-Ga2O3 thin film comprises the following steps: S1, placing a fluorine crystal mica F-micro substrate in MOCVD (Metal Organic Chemical Vapor Deposition) equipment, and growing a gallium oxide low-temperature nucleating layer on the substrate at a first temperature by taking triethyl gallium as a gallium source and O2 as an oxygen source; s2, taking triethyl gallium as a gallium source and O2 as an oxygen source, and growing a gallium oxide high-temperature epitaxial layer on the gallium oxide low-temperature nucleating layer at a second temperature to obtain the high-quality beta-Ga2O3 thin film, the second temperature is higher than the first temperature. According to the beta-Ga2O3 thin film prepared by the method, the crystal quality is equivalent to that of a thin film obtained by a traditional rigid sapphire substrate, the problem that a high-quality gallium oxide thin film is difficult to prepare by an organic flexible substrate is solved, and the beta-Ga2O3 thin film is separated from the substrate and can be transferred to any target substrate; and the solar-blind ultraviolet photoelectric detector with high performance, flexibility and a vertical structure can be constructed.

The invention discloses an efficient artificial breeding and intermediate cultivation method for holothuria leucospilota. The holothuria leucospilota with mature gonad is firstly dried in the shade and then transferred into seawater, sodium sulfite is added to make water oxygen deficit, and spawning induction is stimulated. According to the physiological habits of the holothuria leucospilota, hypoxia suffocation stimulation is carried out on the holothuria leucospilota by using sodium sulfite, and a very good spawning induction effect is achieved. Compared with an existing traditional tropical sea cucumber artificial spawning induction method, such as a running water stimulation method and a shade drying method, with the highest spawning induction rate of 13.3-18.0%, the effect of sea cucumber spawning induction is more obvious (the spawning induction rate reaches up to 75-81%) by means of the method. The sodium sulfite has no obvious toxicity to the parent sea cucumber and is low in price; a traditional spawning induction method must be operated at night, but the method has no requirement for spawning induction time, has the advantages of being high in operability, easy to popularize and capable of reducing parent parameter quantity and providing stable fertilized egg supply for large-scale sea cucumber breeding.

The utility model discloses a raw tobacco leaf turnover box label quick tearing structure which comprises a box body side plate, a quick tearing area is arranged on the box body side plate, adhesion protruding strips making contact with label back glue are arranged in the quick tearing area, the adhesion protruding strips protrude along the surface of the quick tearing area, the adhesion protruding strips are evenly distributed in the length direction of the quick tearing area, and the adhesion protruding strips are arranged on the surface of the quick tearing area. An adhesion groove is formed between every two adjacent adhesion protruding strips, the surfaces of the adhesion grooves are lower than the adhesion protruding strips, and the adhesion protruding strips are arranged in an inclined mode. The label is attached to the quick-tearing area, and the adhesive sticker coating at the bottom of the label is adhered to the adhesion convex strip, so that the contact area between the label and the quick-tearing area is effectively reduced, residual adhesive is reduced, and meanwhile, stripping is facilitated.

The invention relates to the technical field of wire body plugging, in particular to plugging equipment and a plugging method.The plugging equipment is provided with a rack, a plugging unit, a wire cutting unit, a wire body clamping unit and a wire inserting unit, the plugging unit is fixed to the rack and provided with a plugging cavity, a needle sleeve can be fixed to the plugging cavity, the wire cutting unit is located on one side of the plugging unit, and the wire cutting unit is located on the other side of the plugging unit; the cutting unit is arranged on one side of the inserting unit, an insulating skin of the inserting end, to be inserted into the needle sleeve, of the wire body can be cut off in the inserting process, stripping of the insulating skin is facilitated, the wire body clamping unit is located on the side, close to the wire cutting unit, of the inserting unit and can clamp the wire body, and the wire inserting unit is arranged on the other side of the inserting unit and can pull out the wire body after inserting of the wire body is completed; through the arrangement of the structure, the automatic plugging of the wire body can be realized, the manpower required by the plugging of the wire body is effectively reduced, and the plugging efficiency of the wire body is improved, so that the plugging process requirement of the wire body is met.

The utility model discloses a field reclamation stoning machine for agricultural planting, which relates to the technical field of agricultural equipment and comprises a plowing roller of a plowing rack, a sieve-shaking frame mounted on the plowing rack, a swing plate hinged to the arc-shaped transition bottom and a rolling part mounted on the sieve-shaking frame and used for transporting soil to the arc-shaped transition, a plurality of layers of screening rollers are rotationally connected to the swing plate, a stone receiving bag is installed on the ploughing rack, and the bottom of the stone receiving bag is located at the front end of the screening roller on the lowermost layer; according to the field reclamation stone removing machine, multiple layers of screening rollers with different diameter sizes are designed to screen stones and soil, on one hand, the stones and the soil can be stripped conveniently, soil can be reserved conveniently, on the other hand, multi-layer screening of the soil is facilitated, and the efficiency is improved. And when too many stones are collected, the pulling assembly pulls the swing plate to swing at first, soil separation is optimized, and the stones in the stone receiving bag are poured out.

The invention discloses a cloth bag cleaning device and method for a cloth bag dust remover. The cloth bag cleaning device comprises a dust remover body, and a pulse cleaning mechanism, a bag shaking mechanism and a deslagging mechanism are arranged in the dust remover body; the dust remover main body comprises a dust removing cylinder, a dust removing cloth bag and an opening and closing electromagnetic valve, an air inlet is formed in the side face of the dust removing cylinder, an air outlet and a back-flushing opening are formed in the top of the dust removing cylinder, and an ash discharging opening is formed in the bottom of the dust removing cylinder; the bag shaking mechanism comprises a first motor, a cam, a rocker, a supporting frame and a swing table and is installed at the lower end of the dust collection bag. The bag-type dust collector has the advantages of being high in cleaning efficiency and thorough in cleaning, and the problem that in the prior art, a dust collecting bag of a bag-type dust collector is single in cleaning means, and consequently the bag is difficult to clean is solved.

The invention discloses an efficient iron-based catalyst as well as a preparation method and application thereof. The efficient iron-based catalyst is obtained by taking iron mud as an iron source, taking biochar as a carbon carrier, taking a mixture of the iron mud and the biochar as a precursor and taking alternating current or direct current as a triggering mode. The iron-based catalyst can be applied to treatment of organic polluted wastewater by cooperating with an oxidizing agent, and has efficient degradation capacity at different pH values. According to the method, waste is treated with waste, and waste of iron resources is avoided; through application of a new technology, a traditional recycling method is simplified, and sustainable disposal of harmlessness, reduction and recycling of the iron sludge is achieved. Therefore, the method has great market popularization prospects and has important significance on environmental protection.

The invention provides a preparation method of a nano microemulsion loaded with rare saponin in red ginseng extract and American ginseng extract, which comprises the following specific steps: extracting the rare saponin in the red ginseng extract and American ginseng extract, preparing a nano liposome loaded with the rare saponin, modifying with modified sesbania gum and preparing the nano microemulsion loaded with the rare saponin. Hydrophilic and hydrophobic rare ginsenoside are simultaneously embedded in the nano-liposome, in addition, the nano-liposome is modified by adopting modified sesbania gum, and the nano-liposome is endowed with an outer membrane structure by adopting the sesbania gum modified by genipin and feruloyl oligosaccharide, so that the stability of the nano-liposome can be improved, the biological activity of the rare ginsenoside is ensured, and the bioavailability of the rare ginsenoside is improved. In addition, the rare ginsenoside can be released in an organism in a targeted mode, genipin and feruloyl in the modified sesbania gum interact with phospholipid molecules in the nano-liposome in the intestinal environment, decomposition of the nano-liposome is further accelerated, rapid release of the rare ginsenoside is achieved, and a new method is provided for research and utilization of the rare ginsenoside.

The utility model relates to the technical field of fire-fighting pipeline unwinding. The subway water supply and drainage fire-fighting pipeline unwinding device comprises a supporting plate, a winding displacement device is installed at the left end of the upper surface of the supporting plate, a movable plate is installed on the inner wall of the upper surface of the supporting plate, and a lead screw is fixedly installed on the inner wall of the upper surface of the supporting plate through a bearing; a movable plate is installed at the upper end of the supporting plate, a lead screw is installed at the lower end of the movable plate, the outer wall of the lead screw is in threaded connection with the inner wall of the lower end of the movable plate, a fixed plate is installed at the rear end of the upper surface of the supporting plate, and a pipeline winding and stripping mechanism is installed on the faces, close to each other, of the movable plate and the fixed plate. And then the pipeline winding and stripping mechanism is used for carrying out auxiliary stripping on the wound pipeline, so that workers can conveniently strip the pipeline, and the workers can conveniently separate the pipeline from the pipeline winding and stripping mechanism without needing large force.

The invention discloses a half-cutting processing method, which enables integral waste discharge of a wrapping film and a release film after die cutting, reduces the cost of raw materials, ensures excellent surface quality of a subsequent heavy film and the release film, and enables a formed product to be stripped quickly and conveniently. In the process of punching the wrapping film release film and the PET base material double-faced adhesive tape from top to bottom, only the PET base material double-faced adhesive tape is squeezed to be broken, the blade point area corresponding to the wrapping film release film is still connected with the outer frame of the wrapping film release film, and no blade mark exists on the upper surface of the heavy film release film. The forming product of the PET base material double-faced adhesive tape is independently arranged on the upper surface of the heavy film release film, then the wrapping film release film is used for integrally discharging waste, the non-forming product area of the PET base material double-faced adhesive tape is used for discharging waste together, only the forming product of the PET base material double-faced adhesive tape is left on the upper surface of the heavy film release film, and then the light film release film covers the upper surface of the forming product. And then rolling is carried out.

The invention discloses a nanoimprint template adhesive and a preparation method thereof, and relates to the technical field of nanoimprint. The preparation method comprises the following steps: providing polyurethane modified acrylate resin, perfluoropolyether acrylate resin, a fluorocarbon diluent, a polyfunctional group cross-linking agent, an auxiliary agent, a cationic initiator and a free radical initiator; the nanoimprint template adhesive is prepared from the polyurethane modified acrylate resin, perfluoropolyether acrylate resin, a fluorocarbon diluent, a polyfunctional group cross-linking agent, an auxiliary agent, a cationic initiator and a free radical initiator. The invention aims to solve the problems that in the transfer printing process of existing template glue, mother set residual glue is prone to occurring and difficult to clean, and demolding is difficult after coining.

The application discloses a fruit tree atomization culture device for forest seedling raising, and relates to the technical field of atomization culture, which comprises an outer frame and a planting opening, the planting opening is arranged on the top of the outer frame, the root of the fruit tree is inserted into the outer frame from the planting opening and is fixed, a rotating ring is rotatably arranged on the inner wall of the outer frame, a gear is rotatably arranged on the inner wall of the outer frame, the gear is connected with the output end of an external motor, the output end of the motor drives the gear to rotate, a gear ring is fixedly arranged on the outer wall of the rotating ring, the gear ring is engaged with the gear, the gear drives the gear ring to rotate after rotating, the gear ring drives the rotating ring to rotate after rotating, a nozzle is fixedly arranged on the inner wall of the rotating ring, the nozzle rotates around the periphery of the root of the fruit tree after the rotating ring rotates, and the root is fertilized without dead angle, the contact area between the root and the nutrient solution is increased, and the growth speed of the fruit tree is not affected by the local root system of the fruit tree due to lack of fertilizer and water.

The invention relates to the technical field of metal part cleaning devices, and discloses automobile part deoiling equipment which comprises a supporting frame, a cleaning pool is arranged at the top of the supporting frame, an integrated pipeline is arranged on one side of the cleaning pool in a penetrating mode, a collecting box is arranged on one side of the bottom of the supporting frame, the integrated pipeline communicates with the collecting box, and a switch valve is arranged on one side of the collecting box. A lifting plate is slidably arranged on one side of the cleaning pool, and a placement table is arranged at the bottom of one side of the cleaning pool; multiple groups of flushing nozzles are arranged on the inner wall of the cleaning pool, and a cleaning assembly is arranged in the cleaning pool; a screening assembly is arranged at the bottom of the cleaning assembly. The cleaning assembly is used for placing and cleaning automobile parts; and the screening assembly is used for separating the cleaned oil-water mixture from solid impurities. Compared with the prior art, the cleaning efficiency can be effectively improved, the situation that the clamped position cannot be cleaned is avoided, the follow-up waste liquid treatment amount is reduced, and therefore the double effects of cleaning and environment protection are achieved.

The present invention relates to a thin film material and a preparation method and application thereof, belonging to the technical field of thin film material preparation. The preparation method of the thin film material comprises dispersing a redox-active nano material, adding a reducing agent or a silane coupling agent, heating at 35-50°C and stirring the reaction to obtain a modified film layer liquid; mixing powder particles with a dispersant to obtain a filtrate; placing a hydrophilic bottom membrane in a filtration device, pouring the modified film layer liquid into the filtration device, and forming a modified film layer on the bottom membrane after filtration; then pouring the filtrate into the filtration device, drying, and obtaining a composite film layer, wherein the composite film layer is a bottom membrane, a modified film layer and a filtration membrane in sequence; laminating the filtration membrane on a substrate material, and then dripping water on the side of the substrate membrane away from the modified film layer to obtain a thin film material composed of the substrate material and the filtration membrane, thereby obtaining a thin film material with a complete structure and high performance.

The utility model relates to the technical field of cable processing, in particular to a frequency converter control cable wiring tool, which controls equipment to cut off the sheath of a cable through a lifting device so as to facilitate the stripping of a cable head, and limits the position of the cable head through a limiting device so as to prevent the cable from being bent to cause the failure of normal cutting. The practicability of the device is improved; comprising a lifting device and a limiting device, and the limiting device is installed in the lifting device.

The present application provides a fixing device for a stacked satellite and a control method thereof, which are used to fix and separate the stacked satellites, and provide a fixing device solution that can significantly improve reliability and safety.

The invention discloses a stripping composition for digestive endoscopic minimally invasive surgery, which is prepared from the following components in parts by weight: 5 to 10 parts of tissue stripping agent, 0.5 to 1.0 part of osmotic pressure regulator, 0.01 to 0.2 part of synergist, 0.01 to 0.1 part of stabilizer, 0.001 to 0.1 part of hemostatic and 0.0005 to 0.002 part of color indicator. By dissolving connective tissues under the mucous membrane, the time for stripping by using an electrotome is shortened, the surgical stripping difficulty is reduced, the surgical time is shortened, the risks of bleeding and perforation in the surgical process and postoperation delayed bleeding and perforation are reduced, and the safety is improved.

The invention relates to the technical field of laser stripping, in particular to OLED stripping equipment based on a DPSS laser. Comprising a console; the push plate is slidably arranged on the operation table, a suction plate is movably arranged on the push plate, the two ends of the suction plate are connected with the push plate through first elastic elements, and driving racks are arranged on the two sides of the push plate; the stripping roller comprises an outer stripping cylinder rotationally arranged on the fixed shaft and driving discs, an adsorption plate is arranged on the surface of the outer stripping cylinder in a floating mode through a second elastic element, a suction cup is arranged on the adsorption plate, the driving discs are arranged at the two ends of the outer stripping cylinder, and third elastic elements are arranged between the driving discs and the outer stripping cylinder; the driving disc drives the outer stripping cylinder to rotate through a third elastic element, and teeth meshed with the driving rack are arranged in the circumferential direction of the driving disc; and the DPSS laser is located on the front side of the stripping roller. According to the invention, the equipment applicability is improved. And the condition that the surface of the OLED flexible screen is damaged when the OLED flexible screen is forcibly stripped from a place with high viscosity is effectively avoided.

The utility model provides a compact type retreating feeder which comprises a feeding assembly, a discharging assembly, a feeding assembly and a discharging assembly. The rear stripping knife assembly is used for stripping the material on the roll material from the backing material; the material pulling assembly is used for pulling the backing material of the roll material to move forwards; the material collecting assembly is used for collecting the base material after the material is stripped; the rear stripping knife assembly is installed on the sliding block. The sliding block is further arranged on the lead screw in a penetrating mode through threads, and the first motor rotates to drive the lead screw to rotate forwards and backwards, so that the sliding block is driven to move on the sliding rail in a reciprocating mode, then the rear stripping knife assembly is driven to move in a reciprocating mode, and the distance between the discharging assembly and the rear stripping knife assembly is adjusted. According to the compact type retreating feeder disclosed by the utility model, the adaptability and competitiveness of equipment in a modern automatic production environment are remarkably improved through comprehensive optimization of compact design, intelligent control and operation convenience while the efficient feeding performance is maintained, and a more efficient, flexible and reliable feeding solution is provided for a user.

The utility model provides a kind of paper tube inner retraction and peeling mechanism, it includes mounting bracket, first clamping structure for clamping the upper end side of paper tube, second clamping structure, first driving element and second driving element are arranged on mounting bracket, first driving element and first clamping structure can form first peeling space between paper tube and yarn ball, first peeling structure is equipped on mounting bracket and located above first peeling space, second driving element and second clamping structure can form second peeling space between paper tube and yarn ball, still be equipped on mounting bracket and located above second peeling space second peeling structure. First driving element is not moved when action, provides space for first clamping structure, second driving element has retreated when action, provides space for second clamping structure, make the distance of the upper end of paper tube inward movement greater than the radius of paper tube, more conducive to peeling paper tube.