18results about How to "Avoid drawing" patented technology

The invention relates to a dispensing machine, in particular to a dispensing machine for packaging a glue cap, a dispensing method and a cleaning method, and overcomes the defects that the dispensing effect cannot be accurately controlled and the requirements of products with high dispensing requirement precision cannot be met due to the fact that the glue amount and the dispensing position precision of existing contact type dispensing are not high. The dispensing machine comprises a glue spraying valve, a displacement unit, a power unit and a control unit, the displacement unit is used for controlling the glue spraying valve to move, and the glue spraying valve comprises a valve body, a firing pin assembly, a nozzle, a runner assembly and a heating base. The striker assembly comprises a striker, a compression spring and a piezoelectric module, the bottom end of the striker corresponds to the nozzle, the top end of the striker is connected with the piezoelectric module, and the piezoelectric module is used for controlling the striker to act. The heating module is used for heating glue, the glue enters the nozzle through the flow channel assembly, the piezoelectric module drives the firing pin to move up and down to achieve glue spraying, the invention further provides a glue dispensing method and a cleaning method based on the glue dispenser, and efficient work is achieved.

The utility model provides an anti-dispensing wire drawing mechanism and a dispensing device. The anti-dispensing wire drawing mechanism comprises two blowing cutting-off devices and a mounting frame, the two blowing cutting-off devices are located on the two sides of a glue outlet of the glue dispensing device correspondingly, each blowing cutting-off device comprises a flat air outlet, and the flat air outlets are used for blowing out flat air knives to cut off drawn wires generated by glue dispensing of the glue dispensing device; and the two blowing cut-off devices are fixedly or detachably mounted on the mounting frame. The anti-dispensing wire drawing mechanism disclosed by the utility model can be directly arranged on the existing dispensing device, so that the improvement and installation cost is low; the blowing cut-off device is provided with the flat air outlet, the flat air outlet is used for blowing out wiredrawing generated by dispensing of the flat air knife cut-off dispensing device, wiredrawing is prevented, follow-up welding is guaranteed, and the yield is improved.

The utility model discloses an automatic fuse machine, which relates to the technical field of fuse machines and comprises a support frame and a mounting platform arranged on the support frame, an opening is arranged on the mounting platform and serves as a processing station, and a workpiece lifting device is arranged below the processing station; a hot melting jig and a motion adjusting mechanism connected with the hot melting jig are arranged above the mounting platform, a vertical guide rail is arranged on the supporting rack, and the motion adjusting mechanism is in sliding connection with the vertical guide rail; a cooling pipe is arranged on one side of the hot melting jig; a dust collecting pipe is arranged on one side of the supporting rack, one end of the dust collecting pipe is connected with the dust collector, and the other end is close to the hot melting jig; full-automatic machining in the hot melting process can be achieved, and the machining efficiency is effectively improved; and meanwhile, the dust collecting pipe and the cooling pipe are integrally arranged and can be connected with a dust collector, machining pollution is reduced, the hot melting quality of workpieces is improved, and adhesion is avoided.

The clamping and pulling type liquid packaging machine comprises a machine body, a supporting frame is arranged at the top of the machine body, a liquid storage barrel is arranged at the top of the supporting frame, a metering and discharging mechanism is arranged at the top of the machine body, a film supply mechanism is arranged on the outer wall of the right side of the machine body, a cavity is formed in the machine body, a clamping and pulling mechanism is arranged in the cavity, and a pulling belt mechanism is arranged in the machine body. A waste edge collecting mechanism is arranged at the lower end of the rear side of the machine body; through mutual cooperation of the film supply mechanism, the liquid storage barrel, the metering and discharging mechanism, the clamping and pulling mechanism, the belt pulling mechanism and the pressing and sealing mechanism, liquid in the liquid storage barrel is subjected to filling, edge sealing and cutting to form single products, the whole process is operated through equipment, continuous production of the products is achieved, and the production efficiency of the products is improved; meanwhile, the clamping and pulling type structure can prevent the problem of wire drawing, can exhaust most of gas in the packaging bag in the packaging process, is moisture-proof and dust-proof, further reduces the deterioration risk of the liquid product, and improves the quality of the product.

The utility model provides an ecological water sampling device which comprises a supporting assembly, a sampling assembly suspended in the lower surface area of one end of a top plate and a traction assembly arranged on the top plate, the supporting assembly comprises a bottom plate and a stand column, and the top of the stand column is fixedly provided with the top plate. The traction assembly further comprises a flexible pipeline which extends from the top to be connected to the traction assembly and controls the sampling assembly to ascend and descend by pulling and stretching the flexible pipeline, the sampling assembly comprises a water pump, a first filter layer wrapping the water pump and a second filter layer wrapping the first filter layer, and the water pump is connected to one end of the flexible pipeline; through the mechanism, the problems that the existing general water drawing sampling equipment cannot effectively sample ecological water samples at the bottoms of lakes and reservoirs, sediment at the water bottom is easily disturbed in the sampling process, sampling fails, and the overall practicability is low are solved.

The invention provides a hot rivet welding joint capable of rapidly cooling, and relates to the technical field of sound equipment mesh enclosure production, the hot rivet welding joint comprises a supporting table, a machining groove is formed in the middle of the upper surface of the supporting table, a fixing frame is installed at the upper end of the supporting table, and a welding mechanism is installed between the fixing frame and the supporting table; the lower end of the welding mechanism is connected with the machining groove in a clamped mode. A plastic rivet and a hot welding head are subjected to hot welding machining in the machining hole through the machining hole, so that after hot welding of the plastic rivet is completed, wind power can be blown into the machining hole through a hose groove and an air blowing groove, and the wind power can blow the hot welding head and the plastic rivet more quickly and stably for cooling; the situation of wiredrawing or glue overflowing when the hot welding head and the plastic rivet are separated is avoided, and the overall pressure welding effect is improved.

The utility model provides an anti-wiredrawing cloth spreading device which comprises a base, a fixing block is fixedly installed on one side of the top of the base, an installation groove is formed in the top of the fixing block, and a positive and negative screw rod is rotationally installed in the installation groove through a bearing. According to the anti-wiredrawing cloth spreading device, when cloth is spread, due to the fact that the widths of the cloth are different, the cloth needs to be limited through an adjusting device, at the moment, a first motor works to drive a positive and negative screw rod to rotate, and the positive and negative screw rod rotates to drive two moving blocks to slide in the length direction of the positive and negative screw rod; the distance between the two moving blocks is changed, adjustment is effectively carried out according to the width of the cloth, the two sides of the cloth make contact with the four limiting rollers, the limiting effect is achieved, meanwhile, the limiting rollers can rotate, the limiting rollers rotate under the action of friction force in the cloth moving process, the friction force between the cloth and the limiting rollers is reduced, and the cloth moving efficiency is improved. Wiredrawing of two ends of the cloth due to friction is effectively avoided.

The present invention relates to the technical field of vehicle data protection, and discloses a method and system for protecting vehicle privacy data based on collective signature. It is used when the management center and each node in the same collective communicate; the node includes a vehicle application node and a vehicle node, the vehicle application node collects the vehicle status information of the vehicle node, and the vehicle application node and the vehicle node request and receive messages; the management center is used to generate and maintain the collective public key and public private key. By constructing a collective public key and a public private key for a collective, when the vehicle application node and the vehicle node communicate, any node uses its own private key and public public key to perform a signing operation and send a signed message, and another node in the collective can only use the public public key without any information related to the signer to verify the signature, which fully protects the privacy data of the node while ensuring the credibility of the source of the message and the integrity of the information.

The invention provides a liquid cooling plate for welding. The liquid cooling plate for welding comprises a first substrate and a second substrate, the bonding pad is arranged on the upper surface of the first substrate, and the bonding pad can be connected with a chip through a welding material; a nickel layer, wherein the nickel layer covers the bonding pad; the solder resist ink layer is arranged on the upper surface of the first substrate and surrounds the edge of the bonding pad, and the wettability of the solder resist ink layer and the welding material is lower than the wettability of the nickel layer and the welding material; and the plurality of pin fins are arranged on the lower surface of the first substrate at intervals. According to the liquid cooling plate for welding, welding materials can be prevented from flowing out of the bonding pad, and thermal resistance is reduced.

The utility model relates to the field of aluminium foil, especially a kind of coating device of aluminium foil coating layer.This device includes conveying mechanism, also includes workbench, the workbench top is provided with coating head, the coating head includes adjustable mould lip and slurry cavity, the sidewall of slurry cavity is provided with ultrasonic vibrator;The cleaning nozzle and corona processor are set in the upstream of the coating head;The conveying mechanism includes clamping stick group, directional roller group and winding roller group, and the clamping stick group, directional roller group and winding roller group are sequentially arranged;Directional roller group is set in the top of workbench.Ultrasonic vibrator makes slurry evenly dispersed by ultrasonic vibration in coating process, effectively controls material flow, avoids high viscosity or fast solidification coating to appear wire drawing or local accumulation phenomenon, improves coating uniformity from source, compared with the way that traditional only relies on rolling correction uniformity, significantly improves coating quality.

The embodiment of the invention provides a manufacturing method of a printed circuit board and the printed circuit board, and relates to the technical field of electronics, and the method comprises the steps: obtaining a raw material substrate, and arranging a line metal layer on the surface of the raw material substrate; pasting a protective film on the surface of the circuit metal layer of the raw material substrate to obtain a film-pasted substrate, drilling the film-pasted substrate, and removing the protective film pasted on the surface of the film-pasted substrate to obtain a front-section substrate; and performing exposure development processing and electroplating processing on the front-section substrate to obtain the printed circuit board. The problems that a metal layer on the surface of a substrate is thin, orifice deformation is caused in the drilling process, drilling wire drawing is abnormal, the drilling cost is high, and the efficiency is low are solved.

The utility model discloses a kind of plastic bucket hanging hole opening tool, it is related to plastic bucket processing technical field.The utility model includes shell: driving assembly, transmission assembly, clamping assembly and trepanning assembly are respectively arranged on shell;The utility model is inserted inside one group of hanging ear of plastic bucket in moving process by starting trepanning assembly, and then the opening of hanging hole is completed, then starting driving assembly drives transmission assembly installed in driving output to rotate, to make transmission assembly drive the rotation of clamping assembly installed in top, and then can make clamping assembly drive the rotation of plastic bucket with outer surface sleeve setting 90 degrees, to make another group of hanging ear of plastic bucket move to one side of trepanning assembly, then start trepanning assembly again, make it set up hanging hole to another group of hanging ear of plastic bucket, to be able to guarantee that the height angle of the hanging hole set up inside two groups of hanging ear is same, to improve the processing quality of plastic bucket.

The utility model discloses a kind of rear handle bottle blowing structure, belong to plastic container forming die technical field, the structure aims at solving the problem of traditional handle forming mechanism complex, low reliability, it is integrally arranged cylinder in mould, driving slider is slidably arranged in cylinder, driving slider is connected with movable buckle, the head of movable buckle can be extended into or exit handle cavity of mould.Gas port and second gas port are equipped on cylinder, by alternately passing into high-pressure gas to different gas port, movable buckle is reciprocated between extension position and retraction position.In bottle blowing, movable buckle is extended to prop open handle inner side space;After bottle blowing is completed, movable buckle is retracted to complete handle forming, the structure of the utility model is compact, integrated degree is high, action is reliable and control is accurate, effectively replace traditional complex mechanical linkage mechanism, improve production efficiency and product quality.

The application belongs to the technical field of gluing machines, and discloses a gluing machine for glass surfaces, which comprises a frame, an adjusting and transferring assembly, a glue spraying part and a valve wiping mechanism arranged in the frame, the frame is provided with an inlet and an outlet, the glue spraying part is arranged on the adjusting and transferring assembly, and the valve wiping mechanism is arranged on one side of the adjusting and transferring assembly; a transition stage assembly is arranged at the inlet of the frame; a feeding module is arranged on the side of the transition stage assembly away from the inlet; a material moving assembly is arranged at the joint of the transition stage assembly and the feeding module; and a discharging module is arranged at the outlet of the frame. The gluing machine for glass surfaces can realize automatic glass feeding, accurate positioning, continuous gluing and automatic discharging through the cooperation of the gluing assembly, the transition stage assembly, the feeding module, the material moving assembly and the discharging module, and the automation and continuity of the glass gluing process are improved.

The utility model discloses a 3D printing consumable storage structure, which belongs to the technical field of 3D printing, and is characterized in that the 3D printing consumable storage structure comprises a storage box, a cover body is arranged at the top of the storage box, and a wiping mechanism is arranged on the left side of the storage box. The surface of the filamentous 3D printing consumable is inconvenient to wipe when the filamentous 3D printing consumable is drawn out, part of plastic 3D printing consumables have certain static electricity, dust and other impurities in the surrounding environment are easily adsorbed on the surface in the production process, and in the production, transportation and storage processes, the surface of the filamentous 3D printing consumable cannot be easily wiped. The problems that when a silica gel drying agent provided by the utility model is heated to release moisture, the moisture easily penetrates through air holes to enter a box body, and filamentous 3D printing consumables are wetted are solved in the prior art, and the problem that when the silica gel drying agent provided by the utility model is heated to release the moisture, the moisture easily penetrates through the air holes to enter the box body, and the filamentous 3D printing consumables are wetted is solved.

The utility model discloses a filling machine for lubricating oil production relates to lubricating oil processing technical field. The utility model discloses a base and the casing of fixed connection at the top of base, the top of base is provided with a plurality of oil pipes, the base bottom is fixedly connected with a plurality of support columns, the casing inner wall is fixedly connected with the support plate no.

The present application relates to the field of SAR image restoration, and specifically discloses a method, device and medium for repairing holes in SAR images, wherein the method comprises: directly orthorectifying the target data after preprocessing to obtain an initial SAR orthophoto; performing image segmentation and filtering on the initial SAR orthophoto to segment and repair the first hole in the initial SAR orthophoto to obtain an intermediate orthophoto; performing image segmentation and image restoration algorithms on the intermediate orthophoto to segment and repair the second hole in the intermediate orthophoto, thereby obtaining a target SAR orthophoto after hole restoration. First, small holes are repaired to ensure the original information of the SAR image data and to improve the computing speed. Then, large holes are repaired, the image background value is automatically excluded, and the large hole mask is extracted for repair, thereby avoiding manual participation in drawing the mask.

The utility model discloses an anti-overflow glue dispenser, relates to electronic product processing technical field, including dispensing head and anti-overflow glue subassembly, the anti-overflow glue subassembly is inserted in the bottom of the outer wall of dispensing head, the anti-overflow glue subassembly includes plug-in shell, rotation motor, alternation plate, first glue outlet, second glue outlet and third glue outlet, a rotating motor is fixed to the surface of the inserting shell, and a first glue outlet, a second glue outlet and a third glue outlet are sequentially formed in the surface of the rotating plate in an annular shape. According to the glue dispensing machine capable of preventing edge overflowing, the first glue outlet, the second glue outlet or the third glue outlet is selected for glue dispensing based on the size of the adhesion area of an object, glue liquid penetrates through the glue dispensing head, the second glue outlet or the third glue outlet, then is discharged in a multi-point mode and adheres to the surface of a product, and due to the fact that gaps exist between the glue points when the object is pressed for adhesion, the glue liquid is not prone to overflowing. And when the glue points are stressed, the glue liquid can overflow due to gaps, so that the glue liquid is prevented from directly overflowing out of the edge of an object.