30results about How to "Reduce surface wear" patented technology

Belonging to the technical field of water treatment, the invention discloses a green low-carbon recyclable biomass filter material, which is prepared from the following raw materials by mass: 60-90 parts of coal gangue, 5-20 parts of iron tailings, 1-15 parts of fly ash, 1-5 parts of biomass filler, 6-10 parts of pore forming agent, 2-8 parts of binder, 0.5-2 parts of swelling agent, and 1-4 parts of lubricant. Wherein light degradable rice hull powder and coco coir are added as biomass fillers, eggshells are added as a pore-forming agent, corn starch is added as a binder, vermiculite tailings are added as a swelling agent, sodium alginate and talcum powder are added as lubricants, and the lubricants can reduce abrasion and breakage of the filter material in the sintering process and improve the filtering performance of the filter material. The filter material is prepared by fully utilizing solid waste and natural materials in a sintering manner, so that the waste is recycled, and the produced filter material is green and environment-friendly and has relatively good sewage filtering performance.

The utility model relates to the field of board stacking equipment discloses a step type turnover guide roller device for stacking mechanism. The device sets up turnover rotary seat on the connecting seat of both sides of the frame, and the rotary seat is switched between the retracted position and the working position around the hinge shaft driven by the cylinder, the roller wheel is rotatably installed on the rotary seat, the outer circle of the roller wheel has the step structure extending along the circumference at the end close to the stacking center, the shoulder part surface is perpendicular to the roller wheel axis, and serves as the lateral positioning surface of the board edge part. In the working position, the step shoulder part surface and the side baffle jointly form the rolling guide and lateral limiting channel of the narrow plate, can realize stable distribution and accurate stacking under the width scene close to or lower than the conventional lower limit of adjustment, reduces the deviation and knock, and improves the production efficiency. The device is compact in structure, reliable in action, and convenient to integrate into the existing stacking mechanism to implement upgrading.

The utility model discloses a bearing seat and tracking support relates to photovoltaic power generation technical field, and this support includes main beam, bearing seat, photovoltaic bearing and non -driven stand. Bearing seat is enclosed by the stamping cover plate and stamping bearing base of mutual adaptation, and the inside holds photovoltaic bearing, and the stamping bearing base is combined by two same stamping sub -units, and the bottom is connected with non -driven stand. Photovoltaic bearing is integral type spherical high molecule structure, and the sleeve joint is in main beam outside, and its spherical outer contour is adapted with bearing seat inner wall, can realize main beam angle adjustment, and the stamping sub -unit has H type and Y type two, is connected with non -driven stand wing plate or directly with waist board through corbel adapter, and the bearing seat axial both ends are equipped with flanging, and the base is equipped with the strip. The utility model discloses through stamping structure reduces the cost, shortens the period, and realizes flexible angle -adjusting with the help of spherical bearing, and the adaptability is strong, is applicable to large -scale photovoltaic power station.

The invention provides an epoxy acrylic resin coating based on a naphthalene ring / cyclopentadiene structure and a wear-resistant coating of the epoxy acrylic resin coating, and belongs to the technical field of wear-resistant coatings. According to the invention, the epoxy acrylic resin is modified, and a rigid naphthalene ring skeleton and a highly hydrophobic dicyclopentadiene structure are added, so that the naphthalene ring / cyclopentadiene structure-containing epoxy resin with excellent performance is obtained; according to the invention, the epoxy resin containing the naphthalene ring / cyclopentadiene structure is used as a resin raw material and is supplemented with the allyl diethylene glycol carbonate, so that a more wear-resistant surface coating is obtained, and the surface wear of a component can be obviously reduced after the epoxy resin is put into application, thereby achieving the purposes of improving the working efficiency and reducing the production cost.

The utility model belongs to the technical field of belt line mechanisms, and provides a belt line circulating mechanism which comprises a belt line and a circulating line. Circulating lines are symmetrically arranged at the front end and the rear end of the top of the belt line, and the circulating lines are semicircular and surround the turning position of the belt line. The circulation lines are combined together through guide mechanisms. Each guide mechanism comprises a mounting plate, two elastic rods and two fixing rods. Fixing rods are symmetrically arranged at the outer end of the bottom of the mounting plate, elastic rods are symmetrically arranged on the middle side of the bottom of the mounting plate, and the two elastic rods are movably mounted; when a product turns at the top of a belt line, the product firstly makes contact with the elastic rod, the elastic rod contracts inwards under pressure, buffering is carried out under the repulsion effect of the spring and the magnet, meanwhile, turning is completed under the cooperation of the rotating sleeve on the rod body, and surface abrasion caused by hard friction can be reduced; the thrust between the adjusting magnetic head and the fixed magnetic head can be adjusted and controlled by adjusting and controlling the power of the electromagnet.

The utility model discloses a planet carrier mould belongs to mould manufacturing technical field, this novel planet carrier mould, including the upper mould plate, the top of upper mould plate is provided with module assembly, the bottom of upper mould plate is installed with upper mould, the bottom of upper mould plate is installed with lower mould plate, the top of lower mould plate is installed with lower mould, between upper mould and lower mould is installed with a plurality of first module and second module respectively, between every two first module is seted up with first core, between every two second module is seted up with second core. The utility model discloses through with mould is divided to two mould plates on, two mould plates all adopt multilayer thin plate plywood and are formed, and each layer thin plate fiber direction is staggered, can bear the pressure, impact force and other external force in the mould use process, reduces mould damage risk, and four edges of two mould plates all adopt angle iron package, and the corner is welded, guarantees that mould whole structure is complete, prolongs mould service life.

The yarn tensioner for the warp knitting machine comprises a base and further comprises a stand column, a sensor base, a pressure sensor, a tension platform, a controller, a displacement adjusting mechanism and a yarn guide ball, the stand column is perpendicularly and fixedly connected to the side wall of the base, the sensor base is fixed to the lower portion of the stand column, the pressure sensor is integrated in the sensor base, and the tension platform is connected with the controller. The tension platform is assembled on the sensor base in a sliding mode through a linear guide rail and makes contact with the pressure sensor to form a pressure feedback interface, the tension platform is used for bearing yarn, the displacement adjusting mechanism is movably arranged on the base through a sliding rail, and the yarn guide ball is rotationally assembled at the tail end of the displacement adjusting mechanism. The displacement adjusting mechanism can drive the yarn guide ball to apply controllable radial pressure to the yarn so as to adjust the tension of the yarn, and the controller is arranged on the base, electrically connected with the pressure sensor and used for controlling the displacement adjusting mechanism to drive the yarn guide ball to adjust the position.

This invention discloses a semi-automatic sealing ring assembly machine, belonging to the technical field of sealing ring assembly equipment, and solves the problems of low efficiency and poor consistency in existing manual assembly. The assembly machine includes a worktable, an expansion unit, a transfer unit, and an elastic pressure-distributing component. The drive mechanism of the expansion unit drives multiple support rods to move radially synchronously, realizing the switching of the sealing ring between the loading and expansion positions. The carrier seat of the transfer unit moves axially through a lifting drive component. The elastic pressure-distributing component is mounted on the carrier seat and includes two elastic clamps spaced apart along the axial direction of the sealing ring. The elastic clamps can open and close axially and, together with the support rods, provide radial pressure support for the sealing ring at the expansion position. This invention, through its pressure-distributing support structure, adaptive linkage of the elastic clamps, and synchronous drive of the expansion unit, achieves semi-automatic and efficient assembly of the sealing ring, regulates contact force, stably releases elastic potential energy, avoids assembly jamming, deformation, and ejection, and improves assembly accuracy and sealing reliability.

A lead screw detection device disclosed by the present invention comprises a detection cabinet body, the detection cabinet body is provided with a control host, the control host is internally provided with a driving assembly, the control host is connected with a clamping mechanism driven by the driving assembly to rotate, and the clamping mechanism is used for clamping one end of a lead screw piece and driving the lead screw piece to rotate; a supporting column is fixed in the detection cabinet body, a horizontal adjusting mechanism and a pneumatic control assembly are arranged on the supporting column, the horizontal adjusting mechanism is connected with a supporting detection block, and electric sliding rails with grating rulers are symmetrically fixed on the supporting detection block; a first sliding plate and a second sliding plate are arranged on the electric sliding rail in a sliding mode, a detection mechanism is arranged on the first sliding plate, and a fixing mechanism is arranged on the second sliding plate. The invention belongs to the technical field of lead screw detection, and particularly relates to a lead screw detection device.

This invention provides a rolling sealing device for cylindrical batteries. The rolling sealing device includes an upper mechanism and a lower mechanism. The upper mechanism includes an upper mold base and two sets of upper mold assemblies. The upper mold base rotates about a first rotation axis coaxial with the central axis of the cylindrical battery. The two sets of upper mold assemblies are spaced apart on both sides of the first rotation axis of the upper mold base. Each set of upper mold assemblies includes an upper mold support fixedly connected to the upper mold base and an upper mold rotatably connected to the upper mold support. The upper mold rotates about a second rotation axis perpendicular to the first rotation axis. Each upper mold has a molding surface. From the radially outer side to the radially inner side of the cylindrical battery, the molding surface is an inclined surface that gradually reduces the thickness of the upper mold along the axial direction. By setting the specific structure of the rolling sealing device, damage to the opening end of the casing is reduced, the generation of foreign matter is reduced, the mold life is increased, and it has significant advantages on mass production lines.

This utility model belongs to the field of ceiling spring pressing technology, and discloses a gantry hydraulic press for pressing ceiling springs. It includes a base, a lower template connected to the base, a gantry frame connected to the base, a hydraulic rod connected to the gantry frame, a mounting seat connected to the hydraulic rod, and an upper template connected to the mounting seat. The upper and lower templates cooperate with each other. The base has a collection port and a collection groove, with the collection port communicating with the collection groove. A collection box is slidably connected to the inner wall of the collection groove. A top plate is connected to the mounting seat, and a shielding frame is slidably connected to the top plate. The shielding frame cooperates with the collection port and has a sliding groove. A slider is connected to the top plate, and the slider is slidably connected to the sliding groove. A spring is connected to the slider, and the other end of the spring is connected to the inner wall of the sliding groove. This utility model can collect debris generated during the pressing process, reducing the threat of debris scattering to the health of operators and pollution to the workshop environment.

The utility model discloses a wind-resistant synthetic resin tile, which relates to the technical field of tiles, and comprises a tile, the tile comprises a tile single body, the top of the tile single body is fixedly connected with an upper positioning plate assembly, the bottom of the tile single body is provided with a lower positioning opening, and one end of the bottom of the tile single body is fixedly connected with a right positioning plate. A left positioning opening is formed in one end of the top of each tile single body, and a protective sandwich layer is fixedly connected into a cavity of each tile single body through the corresponding opening. The tile monomer comprises a wear-resistant resin base layer, the inner side wall of the wear-resistant resin base layer is fixedly connected with a reinforced protective inner layer, and the wear-resistant resin base layer comprises an ABS (Acrylonitrile Butadiene Styrene) resin layer. According to the tile, the fireproof and flame-retardant functions are achieved on the basis that assembling is convenient and the windproof effect is enhanced through positioning, and therefore the problems that an existing synthetic resin tile is poor in wind resistance due to the fact that installation and positioning are not accurate, and building safety is affected due to the lack of fireproof and flame-retardant design are solved.

The invention discloses a hydraulic brake hose assembly test device, which relates to the field of hydraulic hose test technology and includes a composite mechanism. The hydraulic brake hose assembly test device is designed with a composite mechanism, one end of the connecting hose is fixed by a hydraulic clamp, and the other end is fixed by a fixing mechanism, and is conveniently placed by the fixing mechanism. A connecting rod is connected by a motor, and the side of the connecting rod away from the motor is connected to a receiving plate. The motor rotates to drive the connecting rod to push back and forth, and drives the connecting hose to stretch back and forth, so as to achieve fatigue detection of the hydraulic brake hose, prevent material aging and cracking, and detect material strength, thereby ensuring the safety of the brake system. The connecting rod slides on the inner side of the support platform, and the support platform plays the role of a supporting component, keeps the structure sliding stable, and prevents deviation. The material is squeezed by the squeezing mechanism, so as to achieve material distortion detection and prevent material damage in actual application.

The utility model is suitable for the technical field of fireproof door hot pressing, and provides a fireproof door hot pressing device which comprises supporting frames, a conveying belt arranged between the supporting frames and a fixing frame arranged on the supporting frames. A group of hydraulic cylinders are symmetrically arranged on the fixing frame; the tail ends of piston rods of the two hydraulic cylinders are connected with the same hot pressing plate, a set of lead screw sliding tables are symmetrically arranged on the top side of the fixing frame, and the movable ends of the two lead screw sliding tables are connected with the same assembly frame. The same pressing roller is rotationally matched between the assembly frames; according to the device, real-time monitoring and uniform control of the temperature in the hot-pressing process are realized through the sectional structure and the infrared temperature measurement channels between the adjacent sections, and the accuracy and the stability of hot-pressing operation are ensured, so that the product quality is ensured; and meanwhile, due to the synergistic effect of the pressing roller and the hot pressing plate, the problem of uneven pressing of a single hot pressing plate is avoided, and the hot pressing stability and the product quality are further improved.

The utility model discloses a pole piece extension spacer bush, a pole piece rolling device and pole piece processing equipment, and relates to the technical field of pole piece processing. The device comprises a main body, a mounting hole is formed in the main body, the transverse surface of the main body is of a circular tube structure, the main body is arranged on a flattening roller of a pole piece rolling device in a sleeving manner through the mounting hole, and the main body is in interference fit with the flattening roller so as to extend a pole piece blank area on the flattening roller. Therefore, the positioning precision of the spacer bush and the flattening roller can be improved, the surface abrasion of the spacer bush is reduced, and the consistency of stretching and extending of the blank area of the pole piece can be guaranteed.

The utility model relates to the technical field of beverage production discloses a bottle body variable frequency speed regulation conveying device, including the conveyer belt, the both sides of conveyer belt are pasted with the protection box, and the variable speed drive mechanism is installed in the inside of protection box for the transmission and speed regulation of conveyer belt, the both ends outside symmetry of protection box are installed with the support frame, and the adjusting limiting mechanism is symmetrically arranged in the top of conveyer belt for the positioning of bottle body conveying, this bottle body variable frequency speed regulation conveying device passes through the rolling pole design of adjusting limiting mechanism, and the sliding friction of bottle body and limiting structure is converted into rolling contact, significantly reduces bottle body surface wear and tear and conveying resistance, adjusts the spacing of positioning of different diameter bottle body through the cooperation of first adjusting lever and limiting lever, ensures the central positioning in the bottle body conveying process, and height adjusting mechanism utilizes the transmission structure of 'X' linkage plate and second adjusting screw, can according to bottle body height flexible adjustment movable plate vertical position.

The utility model relates to the technical field of quartz stone polishing, discloses a polishing device for artificial quartz stone production, and solves the problem that more burrs still exist when quartz stones leave a factory due to the fact that an existing polishing structure for quartz stone production cannot perform secondary polishing and fixed-point polishing. Comprising a rough polishing assembly arranged at the upper end of a fixing frame, a fixed-point polishing assembly is arranged on one side of the rough polishing assembly, a conveying assembly is arranged below the fixed-point polishing assembly, and a fixing assembly is in threaded connection with the outer surface of the conveying assembly. The overall attractive effect is improved, and the purpose that the quartz stone is more decorative is achieved.

The utility model discloses a data transmission device, and relates to the technical field of transmission devices. The device comprises a housing, the end part of the housing is connected with a data line, one side of the housing far away from the data line is provided with a storage groove, a sliding seat is in sliding fit in the storage groove, and the side surface of the sliding seat is connected with a plugging part; the upper portion of the sliding seat is elastically matched with two deflector rods, a channel is formed in the upper side of the shell, a plurality of limiting side grooves in one-to-one correspondence are formed in the two sides of the inner wall of the channel, and the deflector rods penetrate through the corresponding limiting side grooves in the vertical direction. The shifting rods elastically slide to be matched with the channels, so that the two shifting rods can be conveniently pinched to be close to each other and slide along the channels, the inserting part is pushed to slide out of the containing groove, the convenience of adjusting the inserting part is improved, meanwhile, the shifting rods are matched with the multiple limiting side grooves in one-to-one correspondence, the shifting rods are conveniently clamped into the corresponding limiting side grooves after being loosened, and the inserting part is convenient to adjust. The quick fixing of the sliding seat and the inserting part is realized, and the stability and convenience of the fixing of the inserting part are improved.

The utility model relates to the field of brake shells, and discloses a high-strength brake shell which comprises a shell body and a base layer, radiating fins are fixedly arranged on the two sides of the shell body, reinforcing mechanisms are fixedly arranged on the two sides of the middle position in the shell body, convection holes are formed in the two sides of the upper end and the lower end of the shell body, and the radiating fins are arranged on the base layer. The inner layer is fixedly arranged on the inner surface of the base layer, the sealing layer is fixedly arranged on the inner surface of the inner layer, the reinforcing layer is fixedly arranged on the outer surface of the base layer, and the wear-resistant coating is fixedly arranged on the outer surface of the reinforcing layer. According to the utility model, through the design of the radiating fins and the convection holes, the radiating fins can quickly radiate heat generated when a brake system works, so that the brake system can stably operate in a high-temperature environment, the stability of the brake performance is powerfully ensured, and the radiating fins are matched with the convection holes to form an air circulation channel, so that the air circulation efficiency is improved. And the heat dissipation efficiency is further improved.

The invention discloses a die structure of a low-vortex shaft forge piece and a forging demolding technology, and relates to the field of aviation shaft forge piece thermal deformation forming, the die structure of the low-vortex shaft forge piece comprises an upper die base, a lower die base, a flat pressing upper die, a forging upper die and a lower die, and the flat pressing upper die and the forging upper die are installed on the upper die base; the lower die is installed on the lower die base and used for being matched with the flat pressing upper die or the forging upper die to conduct the forging procedure, the lower die comprises a lower die outer ring and a lower die inner ring, the lower die outer ring is connected with the lower die base, the lower die inner ring is located on the inner side of the lower die outer ring and comprises a sizing part and a forging part, and the length of the forging part is larger than that of the sizing part. The sizing part and the forging part are coaxially arranged, the sizing part comprises two first semi-rings, and the forging part comprises two second semi-rings. The sizing part and the forging part of the inner ring of the lower die are separated from the forge piece in a radial parting mode, the forge piece does not need to be drawn, and local deformation and surface abrasion of the forge piece are reduced as much as possible.

The utility model relates to the technical field of ropes, in particular to a light-weight high-strength polyester fiber rope which sequentially comprises an axial cavity, a double-layer reverse spiral reinforcing belt, an aramid fiber and polyester mixed fiber net, a titanium alloy microfilament three-dimensional woven anti-shearing layer and a woven layer from inside to outside. A self-repairing polyurethane colloid is injected into the titanium alloy microfilament three-dimensional woven anti-shearing layer, the axial cavity is filled with light elastomer microspheres, nickel-plated aramid composite fibers are embedded into the double-layer reverse spiral reinforcing belt, the outer surface of the woven layer is coated with an anti-corrosion layer, the outer surface of the anti-corrosion layer is coated with a wear-resisting layer, and the outer surface of the wear-resisting layer is coated with a wear-resisting layer. The axial cavity is filled with the light elastomer microspheres, the overall weight is reduced, meanwhile, the balance of high strength and anti-fatigue performance is achieved through the double-layer reverse spiral reinforcing belt and the aramid fiber and polyester mixed fiber net, stress concentration is further dispersed through elastic buffering of the light elastomer microspheres, the anti-corrosion coating and the nano-ceramic anti-corrosion film achieve synergistic protection, and the anti-fatigue performance is improved. A corrosive medium is blocked.

The utility model provides a ventilation device with adjustable ventilation quantity, which belongs to the technical field of ventilation devices, and comprises a ventilation device, the upper end of the ventilation device is fixedly connected with two cushion blocks, the upper ends of the cushion blocks are fixedly connected with a stepping motor, the output end of the stepping motor is rotatably connected with a screw rod, and the screw rod is fixedly connected with the cushion blocks. A lead screw nut is arranged at the upper end of the lead screw, and in the process that the stepping motor works to drive the lead screw, the inner circumferential surface of the bearing is used for supporting one end of the lead screw, so that the smoothness of the lead screw during rotation is guaranteed, and the friction force of the stepping motor during operation is reduced; and the ventilation quantity in the ventilation device can be effectively and conveniently changed through driving of the lead screw nut, and the use efficiency of the device is improved.

The invention discloses a preparation method of scratch-resistant leather, and belongs to the technical field of leather functionalization treatment. The method comprises the following four core steps: preparing a double-dynamic covalent bond self-repairing polyurethane emulsion, constructing a bionic layered anti-crack reinforced phase, forming a flexible self-repairing composite coating, and preparing a gradient modulus surface hardening layer. And the multi-mechanism synergistic composite coating with dynamic covalent network self-repairing, lamellar bionic structure crack resistance, low-friction synergistic scratch resistance and surface gradient hardening scratch resistance is constructed on the surface of the leather. The scratch-resistant leather solves the problems that the hardness and flexibility of traditional scratch-resistant leather are contradictory, scratches cannot be repaired, durability is insufficient and the like, the scratch resistance and long-term use stability of the leather are remarkably improved while the flexible hand feeling of the leather is kept, and the scratch-resistant leather is suitable for the field of high-durability leather products.

The application discloses a wear-resistant and high-temperature-resistant polyester fiber and a preparation method thereof, and belongs to the technical field of polyester processing, and is used for solving the technical problem that the wear resistance and high-temperature resistance of the polyester fiber in the prior art need to be further improved, and specifically comprises the following steps: adding modified PET, modified filler and auxiliary additive into a double-screw extruder, melt-extruding, spinning, and obtaining a polyester fiber precursor; the application is characterized in that an epoxy group is modified on a carboxylated carbon nanotube through a free radical polymerization reaction to obtain a modified filler, and the modified filler, the auxiliary additive and the modified PET are melt-spun together to obtain the polyester fiber precursor, a modified antibacterial agent is prepared through a coprecipitation method, an antibacterial liquid is further prepared, and the polyester fiber precursor is immersed in the antibacterial liquid to obtain the polyester fiber, so that the wear resistance and high-temperature resistance of the polyester fiber are improved, and the antibacterial performance of the polyester fiber is also improved.

The utility model discloses a thermal type gas mass flow meter sensor with a dust protection structure, belongs to the technical field of gas measurement, and aims to solve the problem that the service life of the sensor is greatly influenced due to the fact that an existing sensor probe is very easy to wear and damage in a measurement environment with dust due to the fact that the wall thickness is relatively thin. The thermal type gas mass flow meter sensor comprises a shell and N sensor probes, N is a positive integer, the thermal type gas mass flow meter sensor further comprises a protection pipe, the protection pipe is arranged on the outer side of the shell in a sleeving mode, the protection pipe and the shell are coaxially arranged, one end of the protection pipe is detachably connected with a shell body of a thermal type gas mass flow meter, and the other end of the protection pipe is detachably connected with the shell body of the thermal type gas mass flow meter. Two gas passing holes are machined in the outer side wall of the protection pipe, each gas passing hole corresponds to one end of one gas through groove, a dust blocking part corresponding to a sensor probe is arranged in each gas passing hole, and the dust blocking parts and the inner walls of the gas passing holes are integrally formed. The utility model is mainly used as a thermal gas mass flow meter sensor structure used in a pipeline through which dust airflow passes.

This utility model discloses a color-reflective high-strength PVC sheet, relating to the field of PVC sheets. It includes a PVC substrate layer, with a color-reflective composite layer for reflecting colors disposed on one side of the PVC substrate layer. The color-reflective composite layer comprises a primer layer, a colored pigment layer, and a reflective layer stacked sequentially. A reinforcing layer for increasing the strength of the PVC substrate layer is disposed on the other side of the PVC substrate layer. This color-reflective high-strength PVC sheet, by incorporating the color-reflective composite layer composed of a primer layer, a colored pigment layer, and a reflective layer, allows for the formulation of a rich variety of colors to meet diverse decorative design needs. It enhances light reflection performance, making it suitable for applications requiring light reflection. Simultaneously, the reinforcing layer, while ensuring lightweight construction, enhances the sheet's tensile, bending, and impact resistance, reduces surface wear, and extends its service life, enabling it to adapt to more complex usage environments.

The utility model provides a battery rear cover for electronic equipment. The battery rear cover comprises a plastic substrate and a reinforcing assembly, wherein one surface of the plastic substrate covers an opening of a main body frame of the electronic equipment. The reinforcing assembly comprises a ceramic glass plate and a bonding glue layer, and the other face of the plastic substrate is bonded with one face of the ceramic glass plate through the bonding glue layer. The ceramic glass plate has relatively high hardness and relatively good wear resistance, and the surface structural strength of the battery rear cover can be improved by arranging the ceramic glass plate on the plastic substrate, so that the protection performance of the battery rear cover is improved, and the condition that the surface of the battery rear cover is worn or broken is reduced. The cured adhesive layer is not easy to age and has high bonding strength, the ceramic glass plate and the plastic substrate are reliably connected through the adhesive layer, and the connection strength between the ceramic glass plate and the plastic substrate is improved, so that the structural strength and the structural stability of the battery rear cover are improved, and the protection performance of the battery rear cover is further improved.

The utility model discloses a small-sized lithium battery with a buffer device, which relates to the technical field of lithium batteries and comprises a box body, a device base is fixedly connected to the bottom end of the box body, mounting mechanisms are arranged at four corners of the bottom end of the device base, and a heat dissipation mechanism is arranged at the top of the box body. The heat dissipation mechanism comprises a fan box, an installation support, an electric fan and an air inlet grille, the bottom end of the fan box is fixedly connected to the top end of the box body, the two ends of the installation support are fixedly connected to the two sides of an inner cavity of the fan box respectively, and an inner cavity of the electric fan is movably installed on the surface of the electric fan; the air inlet grille is arranged on the right side of the box body. According to the small lithium battery with the buffer device, through cooperative work of all the components, the problems that when a vehicle moves to a hollow position, vibration of an existing battery causes collision between the battery and the vehicle, the battery is damaged, and heat generated in the operation process of the battery causes high-temperature damage to the battery are solved.

The copper pipe pushing device for the necking machine comprises a selecting bin and a feeding roller, the feeding roller is rotationally connected with the selecting bin through a roller shaft, a pipe groove is formed in the outer wall of the feeding roller, and the top face of the selecting bin is connected with a hopper in a penetrating mode through a pipe inlet channel. The copper pipe feeding device has the advantages that the selecting bin and the feeding roller are adopted, the feeding roller is driven by the stepping motor, when copper pipes are pushed and fed, the copper pipes can be placed into the hopper in batches and enter the pipe groove in the surface of the feeding roller through the inlet pipe, the stepping motor drives the feeding roller to rotate at a fixed angle, the copper pipes are rotated to be aligned with the pipe outlet channel, and the copper pipes are fed into the feeding channel. According to the automatic feeding and pushing device, the copper pipe falls into the sliding plate from the pipe outlet channel, the electric cylinder pushes the push plate to move, the copper pipe is pushed into the clamping mechanism of the locking machine, feeding and pushing are completed, the trouble of manual feeding and pushing is omitted, the feeding position is accurate, the automation degree is high, the feeding and pushing efficiency is remarkably improved, and the working efficiency is improved.