541results about "Belts" patented technology

The invention relates to the technical field of positioning machining, and discloses a plastic uptake carrier tape positioning hole blanking and film covering synchronous machining method and system.The method comprises the steps that specification identification is conducted on a plastic uptake carrier tape entering machining equipment, and carrier tape specification parameters are obtained; calculating a transverse adjusting distance based on the carrier tape specification parameters and driving a blanking die to be pre-adjusted to a target position; after the blanking die is pre-adjusted, the blister carrier tape is fed into a blanking station to execute positioning hole blanking, the blanked carrier tape is obtained, and the actual size of the carrier tape is measured; the film covering width of a film covering station is adjusted according to the actual size of the carrier tape, film covering operation is carried out on the blanked carrier tape, and the carrier tape after film covering is obtained; and the carrier tape subjected to film covering is fed into a hot pressing station, the partition pressure distribution value is calculated according to the film covering width, hot pressing operation is executed, and the finished carrier tape is obtained.The linkage control over the stations is achieved, and the production line coordination and the product quality consistency are remarkably improved.

A toothed power transmission belt with a smooth back side surface has a back jacket on the back side surface; wherein the back jacket comprises a closed-mesh, knit fabric tube. The fabric tube may be knitted on a circular weft knitting machine and may be heat set after knitting. The fabric tube may be treated with an epoxy, RFL or other treatment to provide for oil resistance, adhesion, frictional properties, etc.

The present invention pertains to a toothed belt provided with a back section in which a core wire extending in the circumferential direction of the belt is embedded, and two or more tooth sections formed on the inner circumferential surface of the back section at intervals in the circumferential direction of the belt, the toothed belt includes a back rubber layer formed on the outer circumferential side of the belt with respect to the core wire, and a first rubber layer and a second rubber layer formed on the inner circumferential side of the belt with respect to the core wire, the back portion includes the back rubber layer, the elastic modulus of the first rubber layer is greater than the elastic modulus of the second rubber layer, and the elastic modulus of the second rubber layer is greater than the elastic modulus of the first rubber layer. The first rubber layer is formed from a first cross-linked rubber composition containing a first rubber component and first short fibers, the ratio of the first short fibers being 5-60 parts by mass per 100 parts by mass of the first rubber component, and the first short fibers being oriented in the longitudinal direction of the belt along the outlines of the teeth. The core wire includes a high elastic modulus fiber, and the tooth portion includes the first rubber layer and the second rubber layer interposed between the first rubber layer and the core wire.

The invention relates to a transmission belt (10) comprising a body provided with at least one elastomer-based tooth (B), said at least one tooth comprising: - an ethylene-propylene-diene monomer in a proportion of between 85 and 100 parts, per 100 parts of elastomer; - natural rubber in a proportion at most equal to 15 parts; - and regenerated carbon black in a proportion of between 20 and 70 parts.

The utility model belongs to the technical field of conveyer belt calendering equipment, and discloses an automatic trimming knife device for a conveyer belt calender. The two servo motors respectively drive the two sets of ball screws to respectively drive the cutters to move, and the cutters are aligned with the edges of the canvas; the two sets of infrared detectors are arranged on one side of the roller; the infrared detector is connected with the servo controller, and the servo controller is connected to the servo motor; the linear displacement sensor measures the moving value of the cutter. The servo motor is connected with the ball screw through a key and a coupler to transmit torque; the other end of the flange sleeve is fixed with the left mounting bracket; the two ends of the ball screw are supported and mounted in the left mounting bracket and the right mounting bracket through bearings respectively; and a nut on the ball screw is connected with a cutter. According to the device, the cutter always tracks the detection position constantly, it is guaranteed that the tracking position of the cutter is consistent with the position of the detected canvas, and therefore it is guaranteed that the edge of a cut film completely coincides with the edge of the canvas.

The invention relates to the technical field of conveying belts, discloses an impact-resistant flame-retardant rubber conveying belt for an underground mine and a preparation method of the impact-resistant flame-retardant rubber conveying belt, and aims to solve the problems of matrix embrittlement caused by filling of a flame retardant and easiness in delamination under impact. The conveyor belt comprises a covering rubber layer, a gradient buffer layer and a framework core layer from top to bottom. The covering rubber layer adopts an NR / BR / CPE blending matrix, and a superfine flame-retardant system and a liquid nitrile rubber toughening phase are added; the gradient buffer layer contains directionally arranged aramid short fibers to smooth the modulus. The preparation method relates to a multi-stage mixing and controlled cooling vulcanization process. According to the invention, the balance of flame retardance and physical properties is realized, the dynamic impact-resistant life of the belt body is remarkably prolonged by constructing a multi-stage energy dissipation system, the running temperature rise is effectively reduced, delamination is prevented, and the long-term service stability under a high-load working condition is ensured.

The invention discloses an integrated fiber-reinforced thermoplastic prepreg tape as well as a preparation method and application thereof, and relates to the technical field of composite materials, the preparation method comprises the following steps: preparing a fiber-reinforced thermoplastic prepreg tape base material to be subjected to hot-press compounding and a wave-absorbing resin film; preheating the surface to be treated of the fiber reinforced thermoplastic prepreg tape base material; and laminating the wave-absorbing resin film on the to-be-treated surface of the preheated fiber-reinforced thermoplastic prepreg tape base material, carrying out hot-pressing compounding, fusing the wave-absorbing resin film with the resin on the to-be-treated surface of the fiber-reinforced thermoplastic prepreg tape base material, and cooling to obtain the integrated fiber-reinforced thermoplastic prepreg tape finished product. On the premise that the original excellent mechanical property of the prepreg tape is hardly influenced, the broadband wave-absorbing function is efficiently and stably integrated, the thermoplastic prepreg tape which is high in surface quality, high in interface bonding and integrated in structure and function is successfully prepared, and the thermoplastic prepreg tape has a wide application prospect in the field of high-end equipment such as aerospace and national defense military industry.

The invention relates to the technical field of plastic steel belt processing, and discloses a PET plastic steel belt finished product straightening and packaging method and system.The method comprises the steps that after a PET plastic steel belt coiled material is obtained, stress distribution is analyzed, a target plastic steel belt is screened, and a multi-dimensional straightening matrix is constructed; then, sickle bending rate characteristics are extracted, deformation types and regions are analyzed, and deformation strength indexes are calculated; delimiting a high-risk location according to the index, obtaining a calibration output strip through three-roller differential cooperative regulation and heating compensation, and performing appearance detection; then analyzing a plasticizing track, determining a failure mode, identifying a monitoring point and calculating a straightening index; and finally, regulating and packaging according to indexes, analyzing finished product integrity indexes, and generating a straightening and packaging report. According to the invention, the straightening and packaging quality of the PET plastic steel belt finished product can be improved.

The utility model discloses a conveying belt replacing and recycling rolling device which is characterized in that a driving roller is rotationally arranged on a first support, one end of the driving roller is connected with an output shaft of an MB stepless speed regulating motor, and a fixing plate is connected between a second support and the first support. Two first straightening rollers, a belt pressing roller and a belt supporting roller are sequentially and rotationally arranged on the upper surface of the fixing plate in the direction close to the second support, a steel pipe is in lap joint between the two upper ends of the second support, a sleeve is rotationally arranged on the steel pipe, and two round rods distributed up and down are horizontally and rotationally arranged between the tops of the third supports; second straightening rollers are vertically and rotationally arranged on the two sides of the top of the third support correspondingly. The utility model has the advantages that the mechanical contact frequency of maintainers is reduced, and the risk of mechanical injury is effectively controlled; the number of maintenance personnel is reduced, the risk level of maintenance operation is reduced, the physical expenditure of the maintenance personnel is converted into equipment control, monitoring and inspection, and the labor intensity is reduced; recovery shortens maintenance time, and maintenance efficiency is improved.

The utility model relates to a split type narrow belt connection machine which comprises a machine frame, an upper die unit, a middle base plate and a lower die unit, an upper die driving source and a lower die driving source are arranged at the positions, corresponding to the upper die unit and the lower die unit, of the machine frame, and the upper die driving source and the lower die driving source are used for driving the upper die unit and the lower die unit to be close to or away from the middle base plate. The belt can be conveniently arranged on the middle base plate in a sleeving mode, then the upper die unit and the lower die unit are driven by the upper die driving source and the lower die driving source to axially ascend and descend respectively, connection of the narrow belt is completed, and meanwhile when a standard belt is connected, the lower die unit can be firstly driven to abut against the middle base plate, then the marking belt is arranged in a sleeving mode, and connection work can also be completed. The applicability of the equipment is improved, the whole process can be conveniently and independently completed by workers, the connection efficiency and stability are greatly improved, and the scalding risk is avoided.

The utility model discloses a V-belt vulcanizing device which comprises a vulcanizing tank, a liftable cover body is arranged on the vulcanizing tank, a lifting ring facilitating hooking of lifting equipment is arranged on the cover body, an annular groove with a downward opening is formed in the peripheral side of the cover body, a pump body is arranged on the cover body, the inlet end of the pump body is communicated with the annular groove through a first pipeline, and the outlet end of the pump body is communicated with the annular groove through a second pipeline. And the outlet end of the pump body is connected with a second pipeline. According to the V-belt vulcanizing device, under the cooperation of all the components, water vapor can be conveniently pumped away, the situation that the water vapor is attached to equipment to be condensed into water drops, and consequently the equipment is rusted is avoided as much as possible, and meanwhile the situation that the water drops drip on the ground is avoided as much as possible.

This utility model relates to the field of vulcanization technology for annular conveyor belts, and in particular to a wound-type annular conveyor belt vulcanizing unit. It includes a base plate, a sliding plate fixedly connected to the output end of a multi-stage electric telescopic rod, and a second outer shell fixedly connected to the upper end of the sliding plate. A rotating mechanism is located inside the second outer shell. This wound-type annular conveyor belt vulcanizing unit, through the cooperation of a limiting mechanism and the first outer shell, starts two first motors connected to a PLC controller. The movement of the threaded block drives the movement of the limiting rollers. The two pairs of limiting rollers limit the conveyor belt, reducing belt deviation during movement. Through the cooperation of the rotating mechanism and the sliding plate, the output shaft of the second motor rotates, driving the worm gear to rotate. The collecting rollers then collect the vulcanized conveyor belt. The use of a worm gear and helical gear combination provides greater stability compared to a chain, especially during rapid rotation or under high loads, thus reducing maintenance frequency.

The present invention relates to a toothed belt including: a back portion; a tension member embedded in the back portion in a belt longitudinal direction and including a twisted cord including a steel fiber; a plurality of belt teeth formed on an inner peripheral side of the back portion along the belt longitudinal direction; and a cover layer provided between the tension member and a belt tooth bottom formed between the belt teeth, in which the cover layer has a thickness in a range of 0.2 mm to 1.0 mm, and the back portion, the belt teeth, and the cover layer are integrally formed of a thermoplastic elastomer.

The invention relates to the technical field of material processing and manufacturing, in particular to a device and method for producing a dry fiber belt through a one-step method, and the device comprises a yarn arranging mechanism which comprises a yarn releasing frame, a yarn arranging frame for arranging yarns, and a yarn spreading assembly for spreading the yarns into a plane; the dipping mechanism comprises a dipping tank, a glue extruding roller group for extruding excessive glue of yarns, and a first curing assembly for curing the glue; the curing mechanism comprises a first powder scattering assembly for scattering powder, a second curing assembly for curing powder and a cooling and pressurizing assembly for pressurizing and cooling yarns; the compounding mechanism comprises a first felt discharging assembly for laying a felt material, a second powder scattering assembly for scattering powder, and a heating and pressurizing assembly for curing a fiber band; the winding mechanism comprises a hole punching assembly for punching holes in the surface of the fiber band, a slitting assembly for fixed-width slitting, a cutting assembly for cutting the length of the fiber band and a winding assembly. By integrating multiple complicated steps in fiber belt production into a continuous production process, the effect of producing the dry fiber belt by a one-step method is realized.

The invention belongs to the technical field of conveying belt machining, and particularly relates to conveying belt blank machining equipment which comprises a machine base. The two sides of the machine base are each rotationally connected with a feeding roller and a discharging roller in a set. A material passing channel is arranged in the machine base. The device further comprises a multi-layer coating mechanism. The multi-layer coating mechanism comprises a glue coating roller, a driving device, a glue distributing pipe, a conveying pipe and a pumping device. By means of the multi-layer coating mechanism, a plurality of combined layers forming a conveying belt blank can be glued at the same time, the glued combined layers are preliminarily bonded and compounded, additional stacking and turnover equipment is not needed, the occupied time and equipment stations are small, the whole gluing operation is completed in a material passing channel of the machine base, and the production efficiency is improved. And in the gluing process, even if the adhesive splashes and drips, the adhesive can be completely retained in the material passing channel, so that the pollution to the working environment is reduced.

The invention relates to the technical field of rubber track production, in particular to a cooling-water-free vulcanization method for rubber track two-section ring joint forming, a mold and a semi-vulcanized track blank. In order to solve the problems that the end part needs to retain a repiece while the existing repiece depends on water cooling, the energy consumption is high and the instability is easy to occur, a vertical air isolation groove is formed in a section of mold-hot plate contact area close to a ring joint end, and a double-layer hollow static air layer is constructed to passively control the temperature. The depth of the isolation groove is 8-12mm, and the coupling L between the length of the groove and the pitch p is 3.4-3.6 p; when t is equal to 60 min and the thickness is equal to 43 mm, a spinning-in head of 30-50 mm can be stably obtained, and the requirement for two-section ring connection is met. According to the scheme, a cooling loop is not needed, energy consumption and maintenance cost are reduced, parameterization is easy to reuse, and joint quality and yield are improved.

The utility model discloses a fabric core conveying belt flat plate vulcanization production line which comprises a working table, a vulcanization table and a telescopic device are arranged on the working table, and a lifting bearing plate is arranged at the driving end of the telescopic device. A mounting cavity is formed in the lower side of the lifting bearing plate, a connecting column is arranged on the lower side of the mounting cavity, a connecting plate is arranged on the lower side of the connecting column, a spring is arranged on the lower side of the connecting plate, a heating plate is arranged on the lower side of the spring, and the heating plate is located above the vulcanizing table. The fabric core can be rapidly heated, so that the vulcanization process is accelerated and the production efficiency is improved. The heating plate is located above the vulcanizing table, it can be guaranteed that the fabric core is evenly heated in the vulcanizing process, and therefore the vulcanizing quality is guaranteed. The stability and guidance quality are guaranteed, the stability of the lifting bearing plate in the lifting process is guaranteed through the design of the guide shafts and the guide shaft sleeves, deviation is avoided, and the accuracy of the vulcanization process is guaranteed.

This invention discloses an aramid fiber reinforced solid conveyor belt and its preparation method, relating to the field of conveyor belt technology. Specifically, it includes the following steps: S1: Aramid fiber cloth passes through a continuous plasma surface treatment machine at a uniform speed, and its upper and lower surfaces are subjected to plasma activation treatment to obtain modified aramid fiber cloth; S2: (1) Natural rubber, styrene-butadiene rubber, chloroprene rubber, ethylene propylene diene monomer (EPDM) rubber, terpene phenolic resin, modifier, modified filler, bis-[3-(triethoxysilyl)propyl]tetrasulfide, zinc oxide, antioxidant, flame retardant, sodium stearate, vulcanizing agent, and vulcanization accelerator are added to a mixing machine and mixed to obtain a compound; (2) The compound is transferred to a calender and calendered to obtain a cover layer; S3: The cover layer, modified aramid fiber cloth, and cover layer are stacked in the order of top to bottom, and then rolled, bonded, and vulcanized to obtain an aramid fiber reinforced solid conveyor belt.

The invention discloses a mining intelligent PLC vulcanizing machine control box, and relates to the field of belt vulcanization. The invention aims to solve the problems of complex control mode and low automation degree of the existing vulcanizing machine. After the PLC receives a power supply and receives set heating temperature and vulcanizing time from the touch screen, a relay K1 coil and a relay K2 coil are controlled to be powered on at the same time, so that a relay K1 normally-open contact and a relay K2 normally-open contact are closed at the same time, and then an alternating current contactor KM1 coil and an alternating current contactor KM2 coil are powered on; a normally open contact of the alternating current contactor KM1 and a normally open contact of the alternating current contactor KM2 are closed at the same time, the two heating plates are used for heating, and the belt is heated; and when the temperatures of the two heating plates reach the set heating temperature, timing of vulcanization time is started, and when the timing time reaches the set vulcanization time, normally open contacts of the relays K1-K2 are controlled to be switched off at the same time, so that the alternating current contactors KM1-KM2 are switched off at the same time, and the two heating plates stop heating. The method is used for controlling belt heating.

A conveyor, power transmission or machine belt (1) which is open ended and has two end edges (6, 7) and a longitudinal length L in a longitudinal direction, comprising: a) two parallel lateral edges (1a, 1b) each extending in the longitudinal direction and separated from each other by a transverse width (W); b) a first fabric layer (2); c) a first coating layer (3); and optionally d) one or more through holes (5) through the overall thickness (T) of the belt, each of the through holes (5) being formed by a hole edge (5a), characterized in that i) the first fabric layer (2) comprises fibers or filaments of a thermoplastic and / or the first coating layer (3) comprises a thermoplastic or a thermoplastic elastomer; and ii) the lateral edges (1a, 1b) are ultrasonic or laser cuts and / or the optional hole edges (5a) are laser cuts. The belt or band has melt sealed edges, can be made into a loop by conventional end joining, and can be used in environments where lint is produced, such as a spool belt.

A deflection member that includes a reinforcing member that includes a resin coating, and at least one tile fastened to the resin coating.

The present invention discloses a highly corrosion-resistant strip steel including a carbon steel base layer and a corrosion-resistant layer rolled and combined with the carbon steel base layer, wherein the corrosion-resistant layer is made of austenitic stainless steel or pure titanium, and the thickness of the corrosion-resistant layer is 0.5-5% of the total thickness of the strip steel. The present invention also discloses a method for producing the highly corrosion-resistant strip steel, which includes the following steps: (1) obtaining base layer material and coating layer material; (2) assembling a billet; (3) preheating: preheating the billet to a temperature of 1150-1250°C to allow diffusion of elements in the corrosion-resistant layer and the carbon steel base layer at the interface to form a stable transition layer, followed by slow cooling to room temperature; (4) secondary heating and rolling; and (5) water cooling followed by coiling. It is expected that, through rational component design, thickness design, and process design, it will ultimately be possible to obtain highly corrosion-resistant strip steel that satisfies the requirements of having a highly corrosion-resistant surface, excellent interlayer bonding, excellent mechanical properties, and excellent workability.

The invention discloses a kind of elastic track, elastic track mold and track device, the characteristics are in the equal interval core gold is buried in track body, and a pair of guide protruding portion is set to each core gold on the inner side of track body, and the intermediate connecting portion therebetween;Core gold includes the protruding portion in the guide protruding portion and the connecting portion in the intermediate connecting portion, and drive engagement hole is formed between adjacent intermediate connecting portion;In the elastic track, the track inner side portion of track body corresponding to core gold, as the trace of protruding portion set on mold, first recess is formed in the side surface of intermediate connecting portion and second recess is formed in the opposite surface of guide protruding portion, and the track inner side of connecting portion in intermediate connecting portion is provided with the covering layer by elastic material.Optimal point is to ensure drive stability, durability and low vibration, low noise characteristics simultaneously.

The invention discloses manufacturing equipment and a manufacturing method of an adhesive tape. The manufacturing equipment comprises a base film forming section, a glue film forming section, a co-extrusion forming section and a stretching section. The base film forming section is adapted to hot melt the substrate and form a base film. The adhesive film forming section is suitable for hot melting of an adhesive material and forming of a pressure-sensitive adhesive film. The co-extrusion forming section is respectively connected with the base film forming section and the adhesive film forming section, and the base film and the pressure-sensitive adhesive film enter the co-extrusion forming section to execute a co-extrusion forming process, so that a co-extrusion film with the base film and the pressure-sensitive adhesive film is obtained. And the stretching section is used for stretching the co-extruded film.

The utility model discloses a double-sided adhesive tape pressing assembly, which relates to the field of adhesive tape processing and comprises a main board used for bearing and supporting. The supporting seat is fixedly mounted on one side of the main plate; a pair of driving shafts and a pair of driven shafts are symmetrically and rotationally connected between the interior of the supporting seat and the main plate; by means of a unique V-shaped pressing structure and an annular belt transmission mechanism, the double-sided adhesive tape pressing device has the advantages that the double-sided adhesive tape is evenly pressed from the middle to the two sides in a gradually reinforced mode; by means of the pressing mode, the problem that wrinkles or bubbles possibly occur in the adhesive tape in a traditional pressing method is effectively avoided, the uniformity and consistency of adhesive tape pressing are remarkably improved, and therefore the quality and reliability of a final product are improved.

The invention relates to the technical field of centralized treatment of ribbons, in particular to a one-time centralized treatment device for ribbon injection molding and a treatment method thereof.The one-time centralized treatment device comprises a supporting base, and multiple sets of injection mold bodies are neatly arranged on the supporting base; the cutting assembly is mounted on the supporting seat and is used for separating the connecting part and the ribbon part of the injection mold body; the adjusting assembly is arranged in the supporting seat, the adjusting assembly comprises two groups of symmetrically arranged supporting bodies and a transmission assembly, the supporting bodies at least have an L-shaped form and an I-shaped form, and the transmission assembly is used for forcing the supporting bodies to be converted between the L-shaped form and the I-shaped form when the supporting bodies move. The supporting body in the adjusting assembly can be switched between the L-shaped structure and the I-shaped structure under the action of the driving assembly. Before cutting, the supporting body is of an L-shaped structure, the injection mold body is supported through the movable parts, the conical spine of the connecting part is inserted into a gap between the two movable parts, and the ribbon part is suspended above the ribbon collecting channel.

A structure having a surface structure capable of controlling friction anisotropy and a sliding device utilizing the structure are provided. [Solution] The structure 1 comprises a surface 2 and a structural substance 6 defined by the surface 2, wherein the surface 2 forms a surface structure 4 including a reference surface 3 and a plurality of surface structure elements 4a, the surface structure elements 4a having a convex structure formed on the reference surface 3 and having an inclined structure 4ap inclined relative to the reference surface 3, the inclined structure 4ap including an inclined rising surface portion 4as and a descending portion 4ad descending from an apex 4at of the inclined rising surface portion to the reference surface 3, the gradient of the inclined rising surface portion 4as being equal to or less than the gradient formed by the apex 4at and the vertical direction from the apex 4at toward the reference surface 3, and the gradient of the descending portion 4ad being greater than the gradient of the inclined rising surface portion 4as.

The invention discloses a preparation method and application of a tensile mica tape based on polyimide film dielectric reinforcement, and relates to the technical field of mica tape preparation. The invention aims to solve the problem of low dielectric strength of the traditional main insulation mica tape of the offshore high-voltage wind driven generator. The method comprises the following steps: bonding the mica paper and the polyimide film, or bonding the mica paper, the polyimide film and the glass wool cloth, and then carrying out hot pressing and curing to obtain the polyimide film dielectric reinforcement-based tensile mica tape. The tensile mica tape based on polyimide film dielectric reinforcement is applied to a main insulating material of a stator bar of an offshore high-voltage wind driven generator. The invention can obtain the preparation method and application of the tensile mica tape based on dielectric reinforcement of the polyimide film.

An article such as a conveyor belt (100, 200) includes an elastomeric composition containing high-aspect ratio nanofibers having a diameter in a range from 10 nm to 1,000 nm, and an aspect ratio in a range from 500 to 15,000. The nanofibers may enable a reduction in the total amount of all reinforcing agent(s) in the composition while providing suitable mechanical properties, which, in turn, reduces average rolling resistance of the elastomeric composition. This makes the elastomeric composition particularly suitable for a bottom cover layer (104) of a conveyor belt (100, 200).