249 results about "Rubber shoes" patented technology

The invention relates to the technical field of shoe sole molds, and discloses an integrally-formed rubber shoe sole production injection mold which comprises an injection table, a cooling box is arranged on one side of the upper portion of the injection table, a fixing frame is fixedly connected to the top of the cooling box, an injection structure is fixedly installed on the upper portion of the fixing frame, and a hydraulic cylinder is fixedly connected to the output end of the injection structure. A lower mold is arranged on one side of the cooling box and slidably connected with the injection table, a middle mold is slidably connected to the upper portion of the lower mold, a hinge seat is fixedly connected to the top of the lower mold, an upper mold is hinged to the inner wall of the hinge seat, and a pushing assembly is arranged on one side of the middle mold. The material pushing assembly is triggered to move, the pushing block slides along the inner wall of the middle mold cavity, the cured rubber plastic body is pushed out, manual material taking is replaced with mechanical material pushing, plastic body adhesion or operator contact with a high-temperature mold is avoided, and the production efficiency is improved.

The invention discloses a regenerated oil bio-based plastic mixed rubber sole material, which is prepared from the following materials in parts by mass: 40 to 60 parts of regenerated oil bio-based plastic, 20 to 30 parts of smoke rubber, 10 to 15 parts of modified mixed reinforcing filler, 10 to 20 parts of calcium powder, 0.5 to 1.0 part of dicumyl oxide, 1.0 to 1.5 parts of zinc oxide, 0.5 to 0.8 part of stearic acid, 1.5 to 2.5 parts of octylated diphenylamine and 4 to 6 parts of antibacterial and mildew-proof filler. The invention relates to the technical field of rubber soles. According to the regenerated oil bio-based plastic mixed rubber sole material and the preparation method thereof, by adding the modified mixed reinforcing filler and the modified antibacterial mildew-proof filler, when the regenerated oil bio-based plastic mixed rubber sole material is applied to the regenerated oil bio-based plastic modified rubber sole material, the situations of bending, deformation and the like of a sole in the wearing process can be better adapted; and the wearing comfort and durability of the sole are improved. The regenerated oil bio-based plastic mixed rubber sole material meets the antibacterial effect requirement, has the anti-cracking performance, can be better applied to the regenerated oil bio-based plastic mixed rubber sole material, improves the comprehensive performance of the sole and prolongs the service life of the sole.

The invention relates to a preparation method of a high-elastic wear-resistant rubber sole. Comprising the following steps: S1, uniformly mixing 50-60 parts by weight of epoxy resin, 10-20 parts by weight of a polyurethane-acrylate copolymer, 20-30 parts by weight of an elastic complex, 3-5 parts by weight of stearic acid, 1-4 parts by weight of zinc oxide, 3-5 parts by weight of zinc stearate and 2-4 parts by weight of zinc oxide; the preparation method comprises the following steps: uniformly mixing 1-3 parts by weight of magnesium oxide and 1-3 parts by weight of an AC foaming agent in an internal mixer at the temperature of 60-70 DEG C, internally mixing for 30-60 minutes, continuously mixing for 15-20 minutes at the temperature of 90-95 DEG C, granulating after open milling, and standing for 20-24 hours at room temperature to obtain a molding master batch; s2, putting the molding master batch into a foaming mold for compression molding, controlling the mold closing pressure to be 15-25MPa, then heating to 180-190 DEG C together with the foaming mold, performing vulcanization treatment for 8-15 minutes, cooling, and performing standing treatment at room temperature for 20-24 hours to obtain the high-elasticity wear-resistant rubber sole. According to the high-elastic wear-resistant rubber sole, the preparation method and the damping shoe, a good damping effect is achieved, and certain mechanical strength is achieved.

The invention relates to the technical field of sole materials, in particular to a lightweight wear-resistant rubber sole material and a preparation method thereof.The preparation method comprises the following steps that natural rubber, nitrile rubber, chlorosulfonated polyethylene rubber, hollow glass beads, aramid fibers, graphene, a plasticizer, an accelerant, zinc oxide, a lubricant, an anti-aging agent and sulfur are added into an open mill to be plasticized, and a mixture is obtained; a rubber compound is obtained; and preparing the rubber compound into a sheet shape through a calendering process, then putting the sheet shape into a mold, and molding the sheet shape in a mold pressing vulcanization mode to obtain the light wear-resistant rubber sole. The natural rubber, the nitrile rubber and the chlorosulfonated polyethylene rubber are used as raw materials, and the combined action of the hollow glass beads, the aramid fibers, the graphene and various auxiliaries is combined, so that the light wear-resistant rubber sole is obtained. The rubber sole prepared by the invention not only has excellent wear resistance, but also is lighter in weight, and the comfort degree of shoes is improved.

The invention discloses circular rubber injection equipment and method for rubber shoes based on annular rotation and dynamic temperature control, and belongs to the field of rubber shoe production equipment.The circular rubber injection equipment is provided with an annular rotary multi-station mold set, seamless circular connection and parallel operation of rubber injection, vulcanization, cooling and demolding procedures are achieved, and the production efficiency is improved. The problem of low production efficiency caused by long vulcanization time of a traditional single mold is solved, the mold group is arranged to be in a turnover type, the mold group is slightly swung left and right in a short time before rubber is not crosslinked in the initial stage of vulcanization, on one hand, uniform circulation of rubber in a mold cavity is promoted, on the other hand, the temperature uniformity is improved through rubber flowing, and in the vulcanization process, the production efficiency is improved. The temperature of rubber in a cavity is monitored in real time through a thermocouple, dynamic temperature compensation is conducted on a mold set according to the real-time temperature, in addition, a heat exchange assembly communicates with a heating cavity and a refrigerating cavity in a circulating treatment box through a heat source pipe and a cold source pipe correspondingly, and rapid switching of a heat source and a cold source is achieved according to different stages.

The present application relates to the technical field of rubber shoe manufacturing, and provides a rubber shoe pressing device. The rubber shoe pressing device includes: a fixing frame; a fixing part, the fixing part includes a plurality of supporting parts, a left fixing device and a right fixing device which are oppositely arranged. The left fixing device and the right fixing device can be closed to form a fixed accommodating space and a glue injection port communicating with the fixed accommodating space, or can be separated from each other. The supporting part is used for partially extending into the fixed accommodating space to support a protection plate, so that there is a gap between the protection plate and the shoe upper; a pressing part, the pressing part is used for injecting glue and pressing the sole on the part of the shoe upper located in the fixed accommodating space when the glue injection port is closed. The rubber shoe pressing device provided by the present application can solve the technical problem in the related art that directly placing a protection plate between the sole and the shoe upper reduces the direct contact area between the sole and the shoe upper, resulting in the sole being prone to falling off during use.

The invention discloses an injection mold for sneaker processing, and relates to the technical field of sneaker processing, the injection mold comprises a workbench, an upper mold and a lower mold, the lower mold is slidably arranged above the workbench, a support frame is arranged at one end above the workbench, and the upper mold is arranged on the support frame right above the lower mold; the upper mold is assembled and connected with the supporting frame through a first air cylinder, a spraying frame is arranged on the portion, between the upper mold and the lower mold, of the supporting frame in a foldable mode, a plurality of upper mold blocks and lower mold grooves are arranged below the upper mold and above the lower mold correspondingly, and heat conduction pipes and condensation pipes are arranged at the positions, close to the upper mold blocks and the lower mold grooves, in the upper mold and the lower mold correspondingly; and a dismounting mechanism is arranged in the lower mold. The rubber shoe sole is jacked up through the discharging mechanism, more gas is injected into the discharging mechanism, the rubber shoe sole and the lower mold groove are demolded more easily, in the discharging process in the gas bin, the suction cup sucks and lifts the rubber shoe sole, the friction force between the rubber shoe sole and the lower mold can be greatly reduced, and the effect of easily discharging is achieved.

The invention relates to the technical field of production of vulcanized rubber soles, and discloses a high-wear-resistance vulcanized rubber sole and a preparation method thereof. Comprising the following raw materials in parts by mass: 90-100 parts of natural rubber, 50-60 parts of butadiene styrene rubber, 20-30 parts of a reinforcing agent, 15-20 parts of acid and alkali resistant filler, 5-10 parts of white carbon black, 4-6 parts of an activating agent, 3-5 parts of an anti-aging agent, 4-5 parts of a softening agent, 2-5 parts of a vulcanizing agent and 4-6 parts of a vulcanization accelerator. The reinforcing filler can participate in vulcanization reaction of rubber, so that the reinforcing filler forms a complex filler network in the rubber sole, the reinforcing filler is fixed in a rubber molecular chain, the wear resistance and mechanical property of the rubber sole are improved, and the movement ability of the reinforcing filler in the rubber molecular chain is limited; mutual friction between the reinforcing filler and a rubber molecular chain is inhibited, the wear resistance of the rubber sole material is improved, the acid and alkali resistant filler can hinder permeation of acid and alkali media, and the acid and alkali resistant performance of the rubber sole material is improved.

The invention discloses a supercritical carbon dioxide foamed rubber material and a preparation method thereof, and belongs to the technical field of foamed rubber. The foaming rubber is prepared from the following raw materials in parts by weight: 70 to 80 parts of natural rubber, 20 to 30 parts of chloroprene rubber, 20 to 30 parts of white carbon black, 4 to 5 parts of plasticizer, 1 to 1.5 parts of activating agent, 1 to 1.5 parts of coupling agent, 2 parts of anti-aging agent, 1.8 parts of sulfur, 3 to 4 parts of accelerant, 0.2 part of scorch retarder, 1 to 1.5 parts of potassium adipate, 5 parts of zinc oxide, 2 parts of magnesium oxide, 2 parts of stearic acid and 3.5 to 3.65 parts of supercritical carbon dioxide fluid. The continuous production of the rubber physical foaming sole can be realized, the foaming rubber vulcanization and foaming process can be completed by a one-time process, the size is basically stable after mold stripping, the sole can be used for subsequent shoemaking production without further processing, and the sole with relatively complex appearance size can be produced. The method is suitable for preparing the foamed rubber sole.

The invention relates to the technical field of rubber for shoes, in particular to wear-resistant sole rubber and a preparation method and application thereof.The wear-resistant sole rubber comprises raw rubber and additives, the raw rubber is composed of rare earth butadiene rubber and block type high styrene vinyl solution polymerized styrene-butadiene rubber, the additives comprise a reinforcing filler, a plasticizer, a surface modifier of the reinforcing filler, a peroxide bridging agent, an accelerant of the peroxide bridging agent, an anti-aging agent and an iron ion absorbent, the raw rubber and part of the additives are mixed and then internally mixed to obtain a mixture, then the mixture is subjected to thin-passing after being discharged and then processed into a sample sheet, and the sample sheet is subjected to hot pressing to obtain the high-strength rubber. And spreading the obtained first intermediate, adding a peroxide bridging agent, carrying out triangular bag making and sheet discharging, and vulcanizing the obtained second intermediate in a mold to obtain the wear-resistant sole rubber. The wear resistance of rubber soles with special purpose requirements such as sports shoes and outdoor shoes prepared by the invention is greatly improved, and higher wear resistance requirements can be met.

The utility model relates to the technical field of soles, and discloses an anti-slip wear-resistant rubber sole, which comprises a main sole and a detachable anti-slip wear-resistant sole, a dismounting assembly is arranged between the main sole and the detachable anti-slip wear-resistant sole, a performance improving assembly is arranged in the main sole, the dismounting assembly comprises a plurality of adjusting heads, and the adjusting heads are connected with the main sole and the detachable anti-slip wear-resistant sole. The multiple adjusting heads are fixedly connected to the detachable anti-skid wear-resistant shoe sole, a mounting groove is formed in the upper end of the detachable anti-skid wear-resistant shoe sole, the main shoe sole is arranged in the mounting groove in a clamped mode, and movable grooves are formed in the ends, close to the main shoe sole, of the multiple adjusting heads. According to the anti-skidding and wear-resisting shoe sole, a user can use the anti-skidding and wear-resisting shoe sole on complex terrains such as rainy days, snowfields or sliding surfaces through the dismounting and mounting assembly, the anti-skidding and wear-resisting part can be detached and replaced independently, comprehensive performance improvement can be provided for the shoe sole through the performance improving assembly, and the use experience of the user is improved.

1. Name of the product in this design: Shoes (Fangyun DS Mountain Rubber Shoes). 2. Intended use of this design: for footwear. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The design for which protection is sought includes color.

The invention discloses a preparation method of graphene super-energy zinc oxide, and relates to the technical field of inorganic synthesis and nano material preparation. Comprising the steps of hydrothermal synthesis in a polar solvent system, wet precipitation, ultrasonic treatment and high-temperature roasting and ball milling. A comb-shaped functional additive is matched with an auxiliary agent to regulate and control a solvent environment, and ZnO with controllable morphology such as hexagonal prism / nanorod / nanowire is generated under a hydrothermal condition. And mixing the graphene with calcium carbonate and graphene to obtain the graphene super-energy zinc oxide. The rubber composition has excellent processability in the processing process, can effectively improve the production efficiency and ensure the stability of the product quality, and is suitable for producing and processing various rubber products, such as tires, rubber tubes, adhesive tapes, rubber shoes and the like.

The utility model discloses a cutting device for rubber shoe production, which comprises a cutting table, a cutting roller is rotatably mounted on the cutting table, rubber shoe cutting knives which are uniformly distributed are mounted on the cutting roller, a movable cavity is formed in the inner side of the cutting roller, a limiting plate is arranged in the movable cavity, and the rubber shoe cutting knives are arranged on the limiting plate. And balancing weights are fixedly installed on the sides, located in the cutting rollers, of the rubber shoe cutting knives, the balancing weights on the rubber shoe cutting knives at the bottom make smooth contact with the limiting plates, and the cutting table is provided with a rotating table. According to the rubber shoe cutting device, after cutting is completed, rubber shoe materials embedded into the inner side of the rubber shoe cutting knife or clamped to the rubber shoe cutting knife can fall off conveniently, the next cutting work of the rubber shoe cutting knife is facilitated, the working efficiency is improved, meanwhile, continuous flow operation is formed, and the cutting production efficiency of rubber shoes is further improved.

1. Name of the designed product: rubber shoes. 2. Use of the designed product: for wearing. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

To provide a bridge bearing replacement method that can be implemented regardless of the material of existing bearing members such as shoes, and that can be implemented easily. [Solution] The method for replacing the bridge bearings 1 includes: a second step ST2 in which at least one of the existing lower bearing members 17 fixed to the substructure 2 and the existing upper bearing members 18 fixed to the superstructure 3 is left in place and the one that is not left in place is removed; a third step ST3 in which a box-shaped member 29 is prepared, which comprises a bottom plate 31, side plates 32 provided on the outer circumference of the bottom plate 31, and a plurality of rib plates 33 welded to the side plates 32 and the bottom plate 31; a fourth step ST4 in which the box-shaped member 29 is positioned to cover the existing bearing members that are left in place; a fifth step ST5 in which a filler material 30 is filled inside the box-shaped member 29; and a sixth step ST6 in which rubber shoes 7 are positioned and fixed.

On the shoe sole in profile Fig. 1, characterized in that 1 to 3 or even more commercially available bottle caps number 1 are held in a shoe sole by a magnet number 3 or by clamping the rubberized sole of the bottle caps.

The invention discloses migration-pollution-free sponge rubber for heat-vulcanized rubber shoes and a preparation method of the migration-pollution-free sponge rubber. The material is prepared from the following components in parts by weight: 100 parts of natural rubber, 4.5-5.5 parts of sulfur, 6-8 parts of a vulcanization accelerator, 5.5-6.5 parts of zinc oxide, 40-50 parts of stearic acid, 18-22 parts of a foaming agent, 9-11 parts of a foaming promoter, 26-30 parts of baking soda, 40-46 parts of a filling agent, 40-50 parts of a softening agent and 160-170 parts of water-oil method reclaimed rubber. The product provided by the invention has reasonable elasticity, can reduce fatigue during wearing, and also ensures that the sponge rubber for shoes does not affect that the formaldehyde content of the insole cloth exceeds the standard value (lt) of GB25038-2024 General Safety Requirements for Shoes; 75 mg / kg). The rubber shoe finished product sponge prepared by the method provided by the invention is proper in thickness, and the comfort level can be improved. The selected materials are easy to obtain, the cost is low, the preparation method is simple and easy to implement, and the prepared product is good in performance. The problem that the color of a light-color glue part is changed due to migration pollution of sponge glue is solved.

The invention discloses an injection and vulcanization all-in-one machine for rubber shoes. The injection and vulcanization all-in-one machine comprises a rotating disc, an injection assembly and a vulcanization assembly. An injection assembly and vulcanization assemblies are arranged on an external rack and located beside a rotating disc, the number of the vulcanization assemblies is at least two in cooperation with the injection assembly, and the at least two vulcanization assemblies and the injection assembly are sequentially arranged in the extending direction of the rotating disc; the vulcanization process is divided into two steps, the vulcanization processing time of each vulcanization assembly is effectively shortened and matched with the processing time of the injection assembly, it is guaranteed that products obtained after injection processing can enter the vulcanization assemblies in time to be subjected to vulcanization processing, the processing quality is guaranteed, the gap that the injection assembly stops processing is avoided, and the production efficiency is improved. And the overall machining efficiency is effectively improved.

The utility model discloses a trimming device for rubber shoe production, which comprises a bottom plate, four corners of the lower surface of the bottom plate are fixedly connected with supporting legs, four corners of the upper surface of the bottom plate are fixedly connected with supporting columns, the upper surfaces of the four groups of supporting columns are fixedly connected with a top plate together, and trimming components are arranged between the bottom plate and the top plate together. By means of the design of the bottom plate, the supporting legs, the supporting columns, the top plate, the trimming assembly and the discharging assembly, in the using process, the shoe sole needing to be trimmed is placed on the surface of the trimming assembly, the trimming assembly is started to trim the shoe sole, after trimming is completed, the shoe sole may be clamped in a trimming knife, and the trimming knife is used for trimming the rubber shoe sole. And the interior of the trimming knife is hollow, so that the trimmed shoe sole can be pushed out by utilizing the unloading assembly, and the effects of conveniently and automatically trimming the shoe sole and automatically stripping are achieved.

1. Name of the product in this design: Rubber Shoes (2). 2. Purpose of this design: to protect feet from impacts, punctures, slipping, and water. 3. The key design features of this product are the combination of shape and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color. 6. This design takes the right rubber shoe as an example, where the right rubber shoe is completely symmetrical to the left rubber shoe, and the left rubber shoe and left rubber boot are omitted.

The utility model relates to the technical field of sole production, in particular to an anti-overflow sole shaping device for rubber sole production, which comprises a shaping table, a lower support fixedly connected to the bottom of the shaping table, an upper support fixedly connected to the top of the shaping table, and an upper sliding plate slidably connected into an inner cavity of the upper support. Through cooperative arrangement of a lead screw, an upper sliding plate, an annular cutter, a spring, a shaping plate and other structures, in the process that the upper sliding plate drives the annular cutter to move downwards, the shaping plate firstly makes contact with a rubber sheet subjected to heat treatment, the rubber sheet is extruded to be shaped, and after shaping is completed, the annular cutter continues to be pressed downwards to extrude the spring to contract; and the rubber overflowing edge overflowing out of the shaping table is cut off until the annular cutter is attached to the shaping table on the peripheral side of the lower mold groove, and the problems that in the working process of an existing shoe sole shaping device, rubber materials in a mold are prone to overflowing edge, workers need to trim the overflowing edge, and the working complexity is greatly increased are solved as much as possible.

The invention relates to the technical field of shoe materials, and provides an ultrahigh-performance EPR rubber material and a preparation process thereof, and the ultrahigh-performance EPR rubber material comprises the following components by weight: 30-40 parts of ethylene propylene diene monomer, 30-40 parts of a styrene-ethylene-butylene-styrene block copolymer, 20-35 parts of an ethylene-vinyl acetate copolymer, 3-4 parts of maleic anhydride graft, 1-3 parts of a coupling agent, 1-3 parts of a coupling agent, and 1-3 parts of an antioxidant. The wear-resistant rubber is prepared from the following components in parts by weight: 0.3-0.45 part of stearic acid, 10-12 parts of an anti-slip agent, 0.6-0.88 part of white stone zinc oxide, 3-4 parts of a wear-resistant agent and 0.6-0.88 part of a vulcanizing agent. The problems that an existing rubber shoe sole is heavy, crisp and prone to aging are solved.

The utility model relates to the technical field of shoes, in particular to an anti-cracking long-service-life rubber shoe which comprises an upper and a sole, the upper is connected with the sole through a connecting block, the connecting block is arranged on the bottom face of the upper, the connecting block and the upper are integrally formed, a connecting groove matched with the connecting block is formed in the sole in a sunken mode, and the connecting block is arranged in the connecting groove. The upper comprises a toe part and a heel part, one end, close to the toe part, of the connecting block is a wide edge, the other end of the connecting block is a narrow edge, the width of the wide edge is larger than that of the narrow edge, the thickness of the portion, protruding out of the upper, of the wide edge is smaller than that of the narrow edge, the end face of the end, close to the sole, of the connecting block is an arc-shaped face, and protruding strips are arranged on the edges of the two sides of the arc-shaped face in a protruding mode. According to the anti-cracking rubber shoe, the connecting structure of the upper and the sole is optimized through the connecting block and the connecting groove which are matched in an embedded mode, the anti-cracking rubber shoe has better connecting strength and anti-cracking performance, and the service life of the rubber shoe is prolonged.

The utility model belongs to the technical field of rubber shoe production, and particularly relates to a peculiar smell removing device for rubber sole shoe production and processing. The side wall of the placing box is fixedly connected with a breathable net plate; an air inlet is formed in the side wall of the placement box; the plurality of air inlets are arranged in an array; the inner side wall of the air inlet is fixedly connected with a supporting frame. A first driving motor is fixedly connected to the side wall of the supporting frame; the output end of the first driving motor penetrates through the side wall of the supporting frame and is fixedly connected with fan blades. During work, air in the containing box is blown out of the breathable net plate through the fan blades, fresh air enters the containing box through the air inlet, air circulation is formed, and peculiar smell in the containing box is rapidly emitted by continuously accelerating air circulation; and therefore, the peculiar smell of the rubber-sole shoes placed in the placing box disappears quickly, the peculiar smell removing effect during production of the rubber-sole shoes is improved, and production of the rubber-sole shoes is accelerated.

The utility model discloses a wet land anti-skidding rubber sole which comprises a shoe lower sole, the bottom of the shoe lower sole is provided with three areas, namely a half sole part, a heel part and an arch part, and a plurality of L-shaped anti-skidding protruding strips which are distributed side by side are oppositely arranged at the bottoms of the half sole part and the heel part along the two sides of the central axis of the shoe lower sole. When a user walks, water on the ground can be rapidly squeezed and guided to the two sides of the shoe sole side by side through the oppositely-distributed L-shaped anti-skid protruding strips and under the cooperation of the drainage grooves and the first water passing grooves, and therefore the water on the ground can be rapidly squeezed and guided to the two sides of the shoe sole side by side through the drainage grooves and the first water passing grooves. The slippery phenomenon caused by the fact that the water film gathers on the sole and is difficult to disperse as soon as possible is avoided, the L-shaped anti-skid protruding strips which are arranged oppositely and obliquely can further improve the friction force between the sole and the ground in the transverse direction and the front-back direction, the anti-skid effect of the rubber sole is effectively improved under mutual cooperation, and the stability of the sole falling on the ground is guaranteed.

The utility model relates to a rubber shoe sole vulcanizing and pressing device, and relates to the field of shoe sole vulcanizing and pressing equipment. The device comprises a base, main body frames and a control box, the control box is vertically fixed to the middle of the top face of the base, the main body frames are symmetrically arranged on the two sides of the top face of the base, each main body frame comprises a rod frame, a forming mold and an auxiliary part, the rod frames are vertically fixed to the top face of the base, and an air cylinder is vertically fixed to the bottom face of each rod frame; a supporting sliding table is vertically and slidably assembled at the bottom of the rod frame, the bottom face of the supporting sliding table is fixedly connected with the top end of the air cylinder, a forming mold is horizontally and slidably assembled on the top face of the supporting sliding table, a supporting plate is horizontally and vertically slidably assembled in the forming mold, and a sliding hole frame is horizontally fixed to the bottom face of the forming mold. And a plurality of guide rods are vertically fixed on the bottom surface of the supporting plate. When the rubber sole is taken out of the mold, the rubber sole does not need to be warped up under the assistance of a tool, the process of taking out the rubber sole is simple, and the convenience of taking the rubber sole is ensured.

The utility model relates to the technical field of ankle joint protection, and discloses a high-altitude jump ankle joint protection device which comprises a soft rubber shoe sole, a grounding alloy skeleton fixedly connected to one side of the soft rubber shoe sole, a rotating shaft fixedly connected to the upper end face of the grounding alloy skeleton, and a shank alloy skeleton rotationally connected to the outer surface of the rotating shaft. When a user wears the umbrella for parachuting, the ankles of the user can be correspondingly supported and protected, the situation that the ankles of the user sprain during parachuting is effectively avoided, accidental injuries to the user are reduced, the physical and psychological health of the user is protected, the confidence and brave of the user during follow-up parachuting are enhanced, and the user experience is improved. The situation that the user is injured again due to motion deformation caused by ankle sprain is prevented, and then the probability of accidents is reduced.

The invention relates to the technical field of shoe sole testing, in particular to a system and a method for testing wear resistance of a rubber shoe sole. Comprising a supporting frame, a cylindrical rod is arranged on the supporting frame, shoe-shaped blocks are fixedly connected to the two ends of the cylindrical rod, the two shoe-shaped blocks are symmetrical about the center line of the supporting frame, and notches are formed in the ends, away from each other, of the two shoe-shaped blocks. When the moving rod moves, the two top plates are driven to move in the same direction, so that the top plates support the inner bottom of the shoe on the left side, pressure applied to the outside of the shoe sole in the testing process can be uniformly dispersed into the shoe sole, the wear resistance of the shoe sole is evaluated more comprehensively, and meanwhile, the top plates can slide while supporting, so that the wear resistance of the shoe sole is improved. Therefore, multi-angle change is generated when the shoe sole is in contact friction with the test plate, and the wear resistance of the shoe sole under various possible friction conditions is more comprehensively inspected.

The utility model relates to the technical field of rubber sole production, in particular to a drum-type rubber sole coarse grinding machine. The drum-type rubber bottom rough grinding machine comprises an equipment support, a compression roller component and an adaptive transmission component. The pressing roller component is rotationally arranged on the equipment support, and a grinding face is formed on the pressing roller component. The adaptive transmission part is connected to the equipment support and located below the pressing roller part. The adaptive transmission part comprises a transmission part and a plurality of elastic adapters, the transmission part and the pressing roller part move relatively in the preset direction, the elastic adapters are arranged on the side, facing the pressing roller part, of the transmission part at intervals, and the elastic adapters are suitable for stretching out and drawing back in the length direction of the elastic adapters; the distance between the top of the elastic adapter and the grinding face is changed. And a rubber sole is placed between the grinding surface and the top of the elastic adapter. The rubber sole polishing device can be matched with different thickness positions of rubber soles, it is ensured that the rubber soles are polished clearly, and the polishing effect of the rubber soles is effectively improved.