829results about "Belts" patented technology

A structured tissue belt assembly including a supporting layer, a non-woven web contacting layer, and one or more laser welds that attach the bottom surface of the web contacting layer to the top surface of the supporting layer. The structured tissue belt assembly allows for air flow in x, y and z directions. In exemplary embodiments, the structured tissue belt assembly has an embedment distance between the supporting layer and the web contacting layer of 0.05 mm to 0.60 mm and a peel force between the web contacting layer and the supporting layer of at least 650 gf / inch.

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.

The present invention discloses a rubber composition comprising, in parts by weight, 100 parts of a rubber matrix, 1.5 to 9 parts of a crosslinking agent, 0.2 to 9 parts of an assistant crosslinking agent, 40 to 170 parts of a reinforcing filler, 6 to 93 parts of a plasticizer and 3 to 25 parts of a metal oxide. The rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A≤100 parts, an EPM with a content represented as B, in which 0≤B<100 parts, and an EPDM with a content represented as C, in which 0≤C<100 parts. The present invention provides a rubber composition which is excellent in heat resistance and mechanical properties and is useful in a cover rubber of a conveyor belt.

The invention relates to the field of waterproof sealing materials, and discloses a composite high-weather-resistance rubber waterstop which is composed of an outer layer, a middle layer and an inner layer. The outer layer contains 3%-8% of nano titanium dioxide, 2%-5% of nano zinc oxide, 50%-70% of a rubber matrix and 1%-3% of an ultraviolet light absorber, and the total proportion of the outer layer is 10%-20%. The middle layer is composed of 70%-85% of EPDM, 5%-10% of carbon fiber and 5%-10% of plasticizer, and the total proportion of the middle layer is 60%-75%. The inner layer is a dynamic covalent bond rubber material and contains 5%-10% of a vulcanizing agent and 1%-3% of an antioxidant, the rubber material accounts for 80%-90%, and the inner layer accounts for 15%-25% in total. Through a multi-layer composite structure, a dynamic covalent bond self-repairing material and an optimized vulcanization process, the comprehensive performance of the water-stop belt is remarkably improved, and particularly the durability and the service life of the water-stop belt in a long-term exposure environment are improved.

The invention discloses an energy-saving and environment-friendly polyarylate fabric whole-core flame-retardant conveying belt and a manufacturing method thereof. The energy-saving and environment-friendly polyarylate fabric whole-core flame-retardant conveying belt comprises a polyarylate fabric whole belt core, a covering layer and a belt core dipping sizing material, the covering layer comprises the following components: solution polymerized styrene-butadiene rubber, a styrene-butadiene-styrene block copolymer, a thermoplastic polyurethane elastomer, zinc oxide, stearic acid, sulfur, an accelerant, an anti-aging agent, carbon black, a hybrid flame-retardant composite material, a phosphate flame retardant, paraffin oil and an antistatic agent; the covering layer of the energy-saving and environment-friendly polyarylate fabric whole-core flame-retardant conveying belt prepared by the invention is compounded from white carbon black, expanded graphite, diethyl aluminum hypophosphite and dimethyl imidazole zinc, and is subjected to surface treatment through polyacrylamide; and then the styrene-butadiene-styrene block copolymer is used for carrying out macromolecular modification on the hybrid flame-retardant composite material, so that the prepared conveyor belt has excellent flame-retardant and antistatic properties, environment-friendly properties, low rolling resistance and mechanical properties.

The invention discloses a forming method of an ultra-high molecular weight polyethylene strip, which comprises the following steps: step 1, mixing ultra-high molecular weight polyethylene resin and a low molecular weight solvent to prepare a uniform suspension, then extruding at high temperature, and cooling and shaping to obtain a gel film; step 2, carrying out single-axis high-temperature ultra-time hot stretching on the gel film; 3, extracting the stretched gel film to remove the low-molecular-weight solvent, and drying with hot air to obtain a dried film; 4, longitudinally cutting the dry film to form strips; and step 5, carrying out low-multiple uniaxial thermal stretching on the strip to remove pores so as to obtain the final ultra-high molecular weight polyethylene strip. The gel film is subjected to uniaxial hot stretching under the condition that a low-molecular-weight solvent is not removed, and the low-molecular-weight solvent is beneficial to promoting orientation of fibrous extended-chain crystals reserved in the gel film and formation of high-orientation crystals such as subsequent extended-chain crystals, so that the tensile mechanical property and other properties of a final strip are 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 utility model discloses a conveyer belt producing and processing calendering device convenient to adjust, which comprises a lower connecting part and an upper connecting part, the upper connecting part is arranged above the lower connecting part, the two sides of the lower connecting part are connected with driving screws, the tops of the driving screws are in threaded connection with the upper connecting part, and the upper connecting part is connected with the lower connecting part. Motors are arranged on the two sides of the bottom of the lower connecting part, the output ends of the motors are connected with the driving screw rods, supports are symmetrically installed on the two sides of the front end of the lower connecting part, the supports are detachably connected with the lower connecting part, and a guide roller is arranged between the two supports. A motor can drive a screw rod between the lower connecting part and the upper connecting part to enable the upper connecting part to be adjusted up and down, so that the gap between the upper extrusion roller and the lower extrusion roller is adjusted, meanwhile, supports are arranged on the two sides of the front portion of the lower connecting part, a guide roller is arranged between the two supports, and the guide roller can be driven by the supports to be adjusted up and down. And the use flexibility of the whole guide mechanism is improved.

Provided is a wrapped combined V-belt that can improve the adhesive strength between a wrapped V-belt portion and a tie band and can suppress peeling of an outer cover fabric at the boundary between the side surface of the wrapped V-belt portion and the tie band. [Solution] A wrapped joined V-belt 1 is manufactured, which includes a plurality of wrapped V-belt portions V whose belt main body portion is covered with an outer cover cloth 5, and a tie band T connecting the outer peripheral surfaces of the plurality of wrapped V-belt portions V, the outer peripheral surface of the wrapped V-belt portion V having a covered region 5a covered with the outer cover cloth 5 and an uncovered region 4a that is not covered, the covered region 5a being formed on at least one side of the outer peripheral surface, and the outer cover cloth 5 covering this covered region 5a also covering the side surface of the wrapped V-belt portion V.

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.

A structured tissue belt assembly including a supporting layer, a non-woven web contacting layer, and one or more laser welds that attach the bottom surface of the web contacting layer to the top surface of the supporting layer. The structured tissue belt assembly allows for air flow in x, y and z directions. In exemplary embodiments, the structured tissue belt assembly has an embedment distance between the supporting layer and the web contacting layer of 0.05 mm to 0.60 mm and a peel force between the web contacting layer and the supporting layer of at least 650 gf / inch.

The belt joint vulcanization system comprises a lower machine frame, an upper machine frame is arranged at the top of the lower machine frame, a plurality of connecting clamping grooves are formed in the two sides of the lower machine frame and the two sides of the upper machine frame at equal intervals, and fixing connecting rods are arranged in the connecting clamping grooves. And the bottom ends of the fixed connecting rods are fixedly connected with bottom limiting bases, the middle upper portions of the bottom limiting bases are provided with middle supporting bases, and the tops of the fixed connecting rods are in threaded connection with locking heads. Normal vulcanization treatment operation of the connecting belt can be guaranteed, a worker can conduct parameter adjustment operation on matched equipment through the control module according to the on-site treatment condition, the stability of the vulcanization treatment process is guaranteed, meanwhile, the vulcanization treatment efficiency of the connecting belt can be improved, and the rate of defective goods can be reduced.

The present invention relates to a method of producing a cord for a power transmission belt, the method including: a first treatment step of treating an untreated yarn of a cord for a power transmission belt with a first treatment agent including a resin component (A) to obtain a first treated yarn; and a second treatment step of treating the first treated yarn with a second treatment agent including a condensate (B1) of resorcin and formaldehyde, an unmodified latex (B2), and an acid-modified diene-based polymer (B3) to obtain a second treated yarn.

The utility model relates to the technical field of Teflon conveying belts, in particular to an edge banding machine for Teflon conveying belt production, which comprises a base, the base comprises a fixing plate, the fixing plate is mounted on one side of the top end of the base, an edge banding mechanism is mounted on the side wall of one side of the fixing plate, an edge banding component is mounted in the edge banding mechanism, and the edge banding component is mounted on the edge banding mechanism. A mounting frame is mounted at the top end of the base, a first guide wheel and a positioning and fixing structure are rotatably mounted on the side wall of one side in the mounting frame, the positioning and fixing structure comprises a first groove, the first groove is formed in the top end in the mounting frame, a lifting assembly is mounted at the top end in the first groove, and a connecting plate is mounted at the bottom end of the lifting assembly. According to the Teflon conveying belt edge sealing device, the connecting rod and the second guide wheel are driven to ascend and descend through elastic recovery of the spring body so as to position and fix the Teflon conveying belt, so that the Teflon conveying belt can be conveniently positioned and fixed, and wrinkles of the Teflon conveying belt during edge sealing are avoided.

The invention belongs to the technical field of adhesive tape production equipment, and discloses a vertical adhesive tape production compound machine which comprises a raw material supply area box body, a coating compound area, a cooling sizing area and a slitting winding area, the raw material supply area box body is arranged at the bottom of the coating compound area, the coating compound area is arranged at the bottom of the cooling sizing area, and the slitting winding area is arranged at the bottom of the cooling sizing area. The cooling and shaping area is arranged at the bottom of the slitting and rolling area; the cooling and shaping area comprises a vertically-arranged box body, a cooling box is fixedly installed on the inner wall of the top of the box body, an adjusting mechanism is arranged in the cooling box, and the adjusting mechanism adjusts the opening size of a ventilation notch in the cooling box through expansion of an air bag so as to achieve dynamic cooling control; the vertical adhesive tape production compound equipment solves the problems of non-uniform cooling, complicated operation, poor adaptability and the like in the prior art, and is efficient, accurate and intelligent.

The invention discloses automatic feeding equipment for rubber belt track core metal. The automatic feeding equipment comprises a feeding neatening device, an arrangement detection device, an overturning and transferring device and a control system. The loading and tidying device comprises a stock bin; a belt conveyor A is arranged at the bottom of the stock bin, and a stepped lifting assembly is arranged on the front side of the stock bin. The stepped lifting assembly comprises a fixing plate and a pushing plate; the arrangement detection device comprises a belt conveyor B; a striker plate A is arranged on one side of the belt conveyor B; a sensor assembly and a material kicking mechanism are arranged on one side of the belt conveyor B, and a material returning slide way is arranged on the other side of the belt conveyor B; the overturning and transferring device comprises a transferring table, an overturning assembly and a transferring assembly. A position sensor is arranged on the transfer table. According to the automatic feeding equipment for the core metal of the rubber track, through a specific structure, the core metal feeding operation before vulcanization forming of the rubber track can be automatically carried out instead of manual work. In addition, the invention correspondingly provides a rubber track preforming production line adopting the automatic rubber track core metal feeding equipment.

The invention discloses a ceramic anti-interference silicone rubber tape, a manufacturing method and a cable, the ceramic anti-interference silicone rubber tape comprises a base layer, a ceramic silicone rubber auxiliary layer, a flexible buffer layer, a ceramic silicone rubber main layer and a thermal insulation layer, the base layer is formed by weaving mixed braided wires, the mixed braided wires comprise metal wires and glass fiber filaments, and the flexible buffer layer is arranged between the metal wires and the glass fiber filaments. The glass fiber filaments are wound on the metal wires to form mixed braided wires, and a plurality of meshes are formed in the base layer; ceramic silicone rubber auxiliary layers are arranged on the two faces of the ceramic silicone rubber auxiliary layer base layer, the ceramic silicone rubber auxiliary layers are in composite butt joint through meshes, and the base layer is wrapped by the two ceramic silicone rubber auxiliary layers. The flexible buffer layer is arranged on the ceramic silicone rubber auxiliary layer and is used for reducing the impact of external force on the ceramic silicone rubber auxiliary layer; the ceramic silicone rubber main layers are arranged on the flexible buffer layers, and the ceramic silicone rubber main layers are arranged on the two flexible buffer layers; and one of the two ceramic silicone rubber main layers is provided with a thermal insulation layer.

The utility model relates to the related technical field of synchronous belt production, in particular to an automatic connection machine for synchronous belt production, which comprises a connection machine, a fixing frame is fixedly connected to one side surface of the connection machine, a protection mechanism is arranged on the upper surface of the fixing frame, and a cooling mechanism is arranged on the upper surface of a bottom plate. According to the automatic connection machine for synchronous belt production, through the arrangement of the controller, the electric box, the mainboard, the sensor, the monitor and the switch, the power supply of the electric box is firstly switched on, at the moment, the monitor continuously focuses infrared light rays and converts the infrared light rays into electric signals, and when the monitor detects foreign matters, the corresponding electric signals are sent to the controller; at the moment, the electric signal is received by the sensor, then the sensor converts the electric signal into a processable digital signal and transmits the processable digital signal to the controller, and finally the controller controls the punching machine to stop emergently through the main board, so that a power supply is cut off immediately and the operation of equipment is stopped, and equipment damage and personnel injury are avoided.

The invention relates to the technical field of vulcanizing machine stripping, and discloses a steel wire rope core conveying belt vulcanizing and shifting mechanism which comprises a shifting device and a plurality of supporting rollers. The plurality of supporting rollers are pre-stored in the material shifting device and are sequentially released between the conveying belt and the hot plate by the material shifting device in the moving and material shifting process of the material shifting device; the material stirring device comprises a taking and placing mechanism, a collecting and storing mechanism and a shell. The taking and placing mechanism comprises a grabbing rod, and a first clamping jaw is fixed to one end of the grabbing rod. The collecting and storing mechanism comprises a second pipe, a plurality of containing cavities are formed in the second pipe, a second opening is formed between each containing cavity and an inner cavity of the first pipe in a communicating mode, and second clamping jaws are fixed to the positions, located on the two sides of the second opening, in the containing cavities; the shell comprises a third pipe, and a third opening is formed in the pipe wall of the third pipe. The supporting roller comprises a column body, and a plurality of clamping grooves matched with the first clamping jaw and the second clamping jaw are formed in the outer circumferential face of the column body at intervals in the axial direction. The material stirring device does not need to move to the position below the hot plate before and after material stirring, and no negative influence is brought to installation and use of the hot plate.

A web harness belt includes multiple layers. A first elastomer layer portion and a second elastomer portion each connected to a ballistic material layer of the multiple layers. The first elastomer layer portion and the second elastomer layer portion each including multiple belt configuration slots.

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.

A conveyor belt, power transmission belt or machine tape (1) being open-ended with two ending edges (6, 7) and with a longitudinal length (L) in a longitudinal direction, comprising: a) two parallel lateral edges (1a, 1b) running in said longitudinal direction, and being spaced apart from each other by a transversal width (W); b) a first textile layer (2); c) a first coating layer (3); and optionally d) one more through holes (5) perforating the belt through its overall thickness (T), each of these through holes (5) being formed by a hole edge (5a); characterized in that i) the first textile layer (2) comprises fibres or filaments of a thermoplastic and / or the first coating layer (3) comprises a thermoplastic or thermoplastic elastomer; and ii) the lateral edges (1a, 1b) are ultrasound-cut or laser-cut and / or the optional hole edge(s) (5a) is(are) laser-cut. The belt or tape has melt-sealed edges, can be made endless by conventional end-joining and can be used in fluff-generating environments, such as a spindle tape.

The present invention provides a flame retardant and cut resistant aramid conveyor belt and a preparation method thereof, the conveyor belt comprising an aramid core layer, a rubber layer arranged on the core layer and a covering rubber layer arranged on the rubber layer; the core layer is interwoven by aramid fiber and flame retardant fiber; the rubber layer comprises styrene-butadiene rubber, natural rubber, reinforcing filler, active agent, antioxidant, plasticizer, adhesive, vulcanizer; the covering rubber layer comprises styrene-butadiene rubber, high styrene rubber, cut resistant resin, reinforcing filler, active agent, silane coupling agent, plasticizer, antioxidant, flame retardant, vulcanizer. The conveyor belt of the present invention can effectively solve the problem of insufficient cut resistance of existing flame retardant conveyor belts, and has excellent flame retardancy, strong cut resistance, good adhesion and high strength, etc., meets the requirements of special industries for high performance of conveyor belts, improves production safety and efficiency, prolongs the service life of conveyor belts and reduces maintenance costs, and has good application prospects.

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 discloses a double-sided water-blocking tape manufacturing method and equipment, and relates to the technical field of water-blocking cables, and the manufacturing method comprises the following steps: S1, preparing high-water-absorption gel; the preparation method comprises the following steps: dispersing high-water-absorption gel in water to form a uniform gel solution; the mass ratio of the super absorbent gel to the water is 1: (13-25); s2, conveying aramid fibers to an opener for carding, performing lapping, drafting, spunlace and drying to obtain an aramid water-blocking tape base material, and then pretreating the aramid water-blocking tape base material; s3, dipping the pretreated aramid water-blocking tape base material in the super absorbent gel solution, dipping twice and rolling twice, and drying through a heat treatment channel to obtain a double-sided water-blocking tape; and the equipment for two-dipping and two-rolling is a double-roller padding machine. According to the preparation method provided by the invention, the prepared water-blocking tape has a double-sided expansion material, the expansion rate is high, and the material stability is high.

The present invention relates to an anti-sticking and wear-resistant belt for tobacco equipment and a production method thereof, and belongs to the field of tobacco machinery. Specifically comprising the following steps: Step 1, preparing a substrate and a composite resin, wherein the substrate can be a polyester fiber cloth or a nylon cloth according to the use environment. The composite resin material comprises 30-40wt% polysilazane, 10-25wt% dimethylsilane cage-based polysilsesquioxane, 10-30wt% polyimide, 5-20wt% polyurethane, and 10-20wt% filler; Step 2, laying a layer of substrate, depositing and coating the composite resin on the substrate after hot melting at 360°C, and infiltrating; Step 3, shaping the composite resin; Step 4, repeating steps 2 and 3 until the required thickness. The belt prepared by the present invention has low porosity, is colorless and transparent, and is smooth and beautiful. The raw material is food-grade non-toxic and odorless. The belt has good hydrophobic and oleophobic properties. The static angle of natural flavors, nicotine, grease, and other tobacco mixed oil stains is greater than 120 degrees, and the rolling angle is less than 10 degrees.

Heat-resistant rubber conveying belt processing equipment belongs to the technical field of heat-resistant rubber conveying belt processing equipment, comprises a fixed bottom plate, a rotating support, an extrusion device, a fixed side plate, a fixed clamping groove, a smearing device and a supporting rod, and is characterized in that the rotating support is connected to the middle of the right side edge of the upper surface of the fixed bottom plate; an extrusion device is connected to the middle of the right side of the upper surface of the fixed bottom plate, fixed side plates are connected to the front and rear edges of the left side of the upper surface of the fixed bottom plate in a bilateral symmetry mode, a plurality of fixed clamping grooves are vertically and evenly distributed in the middle of the surface of the left side of each fixed side plate, and smearing devices are inserted between the front and rear adjacent fixed clamping grooves on the right side. A supporting rod is inserted between the front fixing clamping groove and the rear fixing clamping groove which are adjacent to each other on the left side, repeated memory smearing and squeezing by workers are not needed, the workers can buffer the two pressing wheels, and the gap between the two pressing wheels is not changed.

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.

A composite panel comprising a first panel skin, a second panel skin and a core arranged between the first panel skin and the second panel skin. The composite panel having a threaded insert for receiving a fastener, the threaded insert arranged within a cavity of the core of the composite panel.

The utility model discloses a composite conductive cloth adhesive tape press-fit processing device, which relates to the technical field of adhesive tape processing and comprises a support, an adhesive tape roll bearing mechanism and an adhesive tape press-fit mechanism. The number of the adhesive tape roll bearing mechanisms is two, and the two adhesive tape roll bearing mechanisms are collinearly arranged in the vertical direction; the adhesive tape roll bearing mechanism comprises a rotating shaft, a first positioning lantern ring, a second positioning lantern ring, a bearing sleeve, an outer annular pressing plate, an inner annular pressing plate, a first positioning magnet and a second positioning magnet. And the rotating shaft is rotationally nested on the surface of the bracket through a bearing. According to the utility model, the positioning operation of the adhesive tape main body can be effectively realized, so that the situation that the adhesive tape main body drives the press-fit part to fall off from the inner side of the adhesive tape roll bearing mechanism due to mistaken touch is avoided, and the practical use is more convenient.