30results about How to "Avoid glue leakage" patented technology

The utility model relates to optical lens dispensing equipment, which is characterized by comprising a bottom cabinet and a bottom plate mounted on the upper surface of the bottom cabinet, a sliding mounting seat capable of transversely and longitudinally moving and positioning is mounted on the bottom plate, and a vertical mounting seat is arranged on the sliding mounting seat. Two vertical guide rods and sliding blocks connected to the guide rods in a sliding mode are arranged on the vertical installation base, a lead screw is connected to the middle of each sliding block in a penetrating mode, the two ends of each lead screw are rotationally hinged to the vertical installation base, the upper end of each lead screw penetrates out of the upper portion of the vertical installation base and is connected with a manual rotating wheel, and a glue injection needle cylinder is installed on each sliding block; a vertical frame is installed on the upper surface of the bottom cabinet and located beside the bottom plate, a plurality of UV lamps are installed on the vertical frame, and a rotatable lens installation base is arranged on the upper surface of the bottom cabinet and located under the UV lamps. The optical lens dispensing equipment is reasonable in design, and the dispensing position can be conveniently adjusted, so that the assembly of lenses and lens frames of various specifications can be met.

The utility model discloses a glue rolling machine base plate pressing device which comprises a machine body, a machine body seat is arranged on the side of the machine body, a pressing mechanism used for pressing a base plate to prevent jumping is arranged at the top of the machine body, the pressing mechanism comprises a pressing frame, and the bottom of the pressing frame is rotationally connected with a cube used for making contact with the base plate in a pressing mode. The bottom of the pressing frame is provided with a tension spring used for vertically pulling the pressing frame and a supporting plate, and the top end of the supporting plate is fixedly connected with a supporting frame used for supporting rotation of the pressing frame. The pressing frame, the square body, the supporting frame, the rotating shaft, the bearing plate, the tension spring, the mounting block, the positioning column and the limiting rod are matched with one another, the pressing frame rotates circumferentially with the rotating shaft as the circle center, the square body makes contact with the base plate, the tension spring pulls the pressing frame, then certain pressing force can be applied to the base plate, and the pressing effect is improved. And pressing protection can be conveniently carried out on the substrate during glue rolling, and the situation of glue leakage caused by jumping is prevented.

A manufacturing method of a hemodialyzer comprises the steps that after a tightening ring and a fixing ring are assembled, the tightening ring and the fixing ring are screwed with the threaded end of a dialyzer shell to form a shell assembly; extracting the PE outer wrapping membrane of the hollow fiber bundle arranged in the shell assembly, and blowing away the hollow fiber bundle at the end part of the shell assembly to form uniformly distributed hollow fiber membrane filaments; welding the aluminum sheet with the end parts of the hollow fiber membrane filaments and the tightening ring so as to melt the end parts of the hollow fiber membrane filaments and bond the tightening ring and the aluminum sheet together; injecting glue; and cutting rubber. According to the dialyzer, the tightening ring and the fixing ring are adopted, so that the sealing performance between the dialyzer shell and the tightening ring is enhanced, the phenomenon of glue leakage on the inner wall is avoided, meanwhile, the thickness of the tightening ring is small, the use amount of glue can be reduced, and therefore the cost is saved. The sealing performance of the end part is enhanced through a film sealing mode of sintering an aluminum sheet, the glue leakage phenomenon of the end part is avoided, meanwhile, the hollow fiber membrane filaments at the two ends are uniformly distributed, and the dialysis effect can be effectively improved.

The present invention discloses a glue head device of an electric coating robot; wherein the adapter block fixed base and the movable adapter block mounting seat in the driving coating unit are hinged, and the transmission push plate in the glue head opening and closing driving unit is connected to the movable adapter block mounting seat to drive the movable adapter block mounting seat in the coating unit to open or close; when the glue head opening and closing driving unit drives the movable adapter block mounting seat to close, the bare stranded wire is pressed from one side by the guide roller in the bare stranded wire pre-pressing unit; a glue-evening cavity and a glue-coating cavity are formed in the space enclosed by the closed movable adapter block mounting seat and the upper adapter block fixed base, and an inner bare stranded wire fixed wall is provided between the glue-evening cavity and the glue-coating cavity, and the end face of the glue-coating cavity is a glue outlet nozzle; the glue-evening cavity is connected to an external glue extrusion device through a rubber hose interface. In the present invention, an inner bare stranded wire fixed wall is provided inside the glue-evening cavity, so that the degree of centering at the glue outlet is greatly improved, and the uniformity of glue coating is ensured.

The utility model relates to a forming die of a sleeve for a cable joint. The forming die comprises a movable die and a fixed die positioned below the movable die, wherein a sprue gate is arranged above the movable mold, and a cavity matched with the peripheral surface of the sleeve is arranged between the movable mold and the fixed mold; the core pulling assembly is located between the movable mold and the fixed mold and comprises a left core pulling piece and a right core pulling piece which are located on the two sides of the movable mold; wherein the left core pulling piece comprises a first driving piece and a left core pipe arranged at the output end of the first driving piece, and a frustum is fixed to the end of the left core pipe; and the right core pulling piece comprises a second driving piece and a right core pipe arranged at the output end of the second driving piece, the left core pipe and the right core pipe are coaxially arranged, and a conical groove matched with the frustum is formed in the end of the right core pipe. According to the utility model, the structure is optimally designed, so that the production quality of the casing pipe can be improved, and the practicability is very good.

The present invention discloses a floor connection structure and a connection method for assembled buildings, comprising a floor main body and a wall, wherein a positioning hole is provided at the middle end of the wall, and a plug hole is provided at the upper end of the wall, wherein the number of the plug holes is two, and a positioning seat is fixedly connected to the left end of the bottom of the floor main body, and a vertical pole is movably connected to the middle end of the bottom of the positioning seat. The present invention can position the floor main body during the hoisting process between the floor main body and the wall through the arrangement of the positioning seat and the positioning hole, thereby preventing the floor main body and the wall from being misaligned during the installation process, and can make the third spring accumulate tension between the moving disk and the glue injection disk during the splicing process between the floor main body and the positioning seat and the wall and the positioning hole through the arrangement of the vertical pole, the moving disk, the guide block, the glue injection disk and the third spring, thereby providing assistance for the subsequent sealant injection and installation operations between the floor main body and the wall.

The utility model relates to the technical field of gluing devices, and discloses a gluing device for battery assembly, which comprises a gluing table and a placing table arranged on the gluing table, a portal frame is slidably mounted at the top of the gluing table, a movable seat is slidably mounted on the portal frame, a dispensing head is fixedly mounted on one side of the movable seat, and a glue outlet is formed in the other side of the dispensing head. A glue storage box is fixedly mounted on one side of the portal frame, a glue dispensing pump is fixedly mounted at the top of the portal frame, the inlet end of the glue dispensing pump is fixedly connected with the glue storage box, the outlet end of the glue dispensing pump is fixedly connected with a glue dispensing head, a two-way screw is rotatably mounted in the placing table, and two screw blocks are in threaded connection with the two-way screw; the top of the screw block is fixedly connected with a clamping plate; through the arrangement of the electric push rod, the connecting rod and the plugging rod, after dispensing is finished, the electric push rod can be started to drive the plugging rod to be inserted into the lower end of the dispensing head to plug the outlet of the dispensing head, so that glue leakage is avoided.

The utility model relates to a rotating mechanism with suction force for optical lens dispensing equipment, which is characterized by comprising a bottom cabinet and a bottom plate mounted on the upper surface of the bottom cabinet, a sliding mounting seat capable of transversely and longitudinally moving and positioning is mounted on the bottom plate, and a vertical frame is mounted on the upper surface of the bottom cabinet and beside the bottom plate. A plurality of UV lamps are installed on the vertical frame, and a rotatable lens installation base is arranged on the upper surface of the bottom cabinet and located under the UV lamps. And the lens mounting seat is provided with a negative pressure channel communicated with the lens, so that the lens frame and the lens which are mounted on the lens mounting seat are in a negative pressure suction state. The rotating mechanism with the suction force of the optical lens dispensing equipment is reasonable in design, the problem of non-uniform gluing can be avoided, the dispensing quality can be guaranteed, and the waterproof performance of the lens can be improved.

The utility model relates to the technical field of film package processing, in particular to a dispensing device convenient for glue breaking, which comprises a dispensing mechanism, an X-axis moving mechanism, a Y-axis moving mechanism, a Z-axis moving mechanism and a mounting rack, the Y-axis moving mechanism is mounted on the mounting rack, the X-axis moving mechanism is mounted on a moving part of a Y axis, the Z-axis moving mechanism is mounted on a moving part of an X axis, and the Z-axis moving mechanism is mounted on a moving part of a Z axis. And the dispensing mechanism is mounted on the Z-axis moving mechanism and comprises a hot nozzle, a glue breaking ejector pin, a mounting plate and a glue breaking driving device. The glue dispensing mechanism is driven to move through the X-axis moving mechanism, the Y-axis moving mechanism and the Z-axis moving mechanism, automatic glue dispensing work can be achieved, the glue breaking ejector pin is arranged in the hot nozzle in a lifting mode, the glue breaking ejector pin can move upwards to cut off a glue path when the glue dispensing work is finished, and glue in a runner hole flows back, so that the situation of glue leakage is avoided, and the glue dispensing efficiency is improved. The waste of raw materials is avoided, and the maintenance cost is reduced.

The utility model provides an electronic product glue pouring jig and an electronic product glue sealing device using the same. The electronic product glue pouring jig comprises a first die body, a second die body, a first sealing part and a second sealing part, wherein the first die body is provided with a first abdicating groove, a first cavity and a pair of chamfered inclined surfaces; the second die body is provided with a second avoiding groove and a second cavity; the connecting rod is matched with the first receding groove and the second receding groove in appearance, and the hinged end of the connecting rod is hinged into the second receding groove. The handle part is connected to the movable end of the connecting rod and matched with the pair of chamfering slopes, and the width of the handle part is larger than that of the first receding groove; the first butt joint end and the second butt joint end are in butt joint through a connecting piece, so that the first butt joint opening and the second butt joint opening, the first upper opening and the second upper opening and the first receding groove and the second receding groove are in butt joint respectively, and a glue sealing cavity is defined by the first cavity and the second cavity. The connecting rod is pulled to turn over close to the first receding groove until the handle part extrudes and crosses the pair of chamfering slopes, the first die body and the second die body are pressed for die assembly, and die assembly and die opening operation of the jig is more convenient.

The present invention relates to the field of printing and binding technology, and specifically to a book cooling and forming mechanism for a fully automatic binding machine, including a belt transmission mechanism and a coolant coating mechanism, wherein the upper side of the belt transmission mechanism is in contact with the book spine; the coolant coating mechanism is synchronously linked with the belt transmission mechanism through a transmission component, and the coolant coating mechanism is in contact with the belt transmission mechanism, and the coolant is evenly coated on the transmission belt of the belt transmission mechanism. The device of the present invention is reasonable and novel, and does not require an additional power source. The belt transmission mechanism and the coolant coating mechanism operate synchronously to achieve synchronous coolant coating of the belt transmission mechanism. It has the advantages of stable operation, convenient operation, high book positioning accuracy, good book spine forming, safe and reliable operation, high degree of automation, high cooling efficiency, and wide application range; it effectively prevents the phenomenon of glue leakage and significantly improves the book yield rate.

The invention discloses a capacitor, which comprises a shell, an insulating part and a leading-out terminal, the shell is a metal controller box body, and an accommodating cavity of the shell is used as a capacitor encapsulation cavity; the insulating part is in interference fit with the interior of the opening so as to seal the opening, and is provided with a mounting hole; the leading-out terminal is in interference fit with the interior of the mounting hole so as to achieve the sealing of the mounting hole. According to the invention, the metal controller box body is directly used as a capacitor encapsulation cavity, and the leading-out terminal of the capacitor is led out from the metal shell through the wall, so that the leading-out path of the leading-out terminal is reduced, and the overall structure not only can reduce the volume of the capacitor, but also can improve the power density of electric control, and meets the design requirements of products; and the insulating part is in interference fit with the shell and the leading-out terminal, so that glue leakage during glue pouring can be prevented.

The application relates to the technical field of injection molding machines, in particular to an electric shooting structure of an injection molding machine, which comprises an injection molding machine, one side of the injection molding machine comprises a mold, the mold is provided with a sprue, the other side of the injection molding machine comprises a shooting base, a feeding hopper, a cylindrical barrel and a plasticizing servo motor, the output end of the plasticizing servo motor is connected with a screw rod in the barrel, a processing structure is installed at the front end of the barrel, the processing structure is linked with a mechanical counting structure, through the processing structure, the function that the nozzle rotates in one direction when the shooting base moves forward and the nozzle automatically stops rotating when the shooting base retreats is realized, an additional motor or electric control driving is not needed, and only the shooting moving force can make the nozzle continuously and uniformly rotate in the process of close pressing, local long-term pressure wear and indentation of a sealing surface are effectively avoided, glue leakage is prevented from the root, shear force generated by rotation can break the sticking points of the melt, the risk of mold sticking is reduced, cold material, carbon deposition and residual material around the nozzle end face and the sprue can be automatically scraped off, and the self-cleaning effect is realized.

The invention discloses a tunnel cable box, and relates to the technical field of railway signal equipment. The tunnel cable box comprises a cable box body and a cable box cover, the outer surface of the cable box body is fixedly connected with a first connecting part and a second connecting part, the first connecting part is internally provided with a first mounting hole, the second connecting part is internally provided with a second mounting hole, and the outer surface of the cable box body is provided with a cable protection pipe. A mounting head is fixedly connected to the end part of the cable protection pipe, a glue chamber, a first copper bar and a second copper bar are arranged in the cable box body, a mounting connecting plate is fixedly connected to the outer surface of the glue chamber, and a fourth mounting hole is formed in the mounting connecting plate, so that glue leakage of the glue chamber during glue filling can be prevented, and the first copper bar and the second copper bar can be conveniently overhauled; therefore, the tunnel cable box is more convenient to use, and the problems that the copper bars of the existing tunnel cable box are difficult to overhaul and glue is easy to leak during glue filling in the glue chamber are solved.

The utility model discloses a dispensing switch valve which comprises a driving cylinder body, a glue feeding block arranged below the driving cylinder body, a piston rod capable of moving in the vertical direction and a glue sealing head installed at the lower end of the piston rod, a horizontal partition plate is arranged in the driving cylinder body, and therefore a driving cavity in the driving cylinder body is divided into an upper cavity body and a lower cavity body. The outer side of the piston rod is sleeved with an upper piston disc and a lower piston disc respectively, a first air pipe connector is installed above the piston discs, a second air pipe connector is installed below the lower piston disc, and second blind holes which are inward in the radial direction are formed in the side wall of the piston rod and located below the lower piston disc and between the horizontal partition plate and the upper piston disc respectively. And the two second blind holes are communicated through a second air channel formed in the piston rod. According to the utility model, on the basis of realizing glue opening and closing, the driving force is greatly improved without increasing the air pressure, so that the situation of glue leakage caused by insufficient glue sealing pressure when the glue feeding pressure is too large is avoided.

The utility model discloses a kind of glue-filling type waterproof connectors, including shell and circuit board, the inside lower portion of shell is equipped with cushion block, the inside middle portion of shell is installed in circuit board, and the left and right sides of circuit board are equipped with connector on top, the inside thread of connector is connected with screw, and one end of connector is equipped with inner core, outer skin is installed in the periphery of inner core, and the periphery of outer skin is provided with sealing washer.This kind of glue-filling type waterproof connector, compared with existing waterproof connector, circuit board is clamped to cushion block, so that circuit board is suspended in the air inside shell, connector is fixedly connected on circuit board by screw, without welding inner core to circuit board, simplify installation operation, outer skin is pressed between sealing washer by fixing block, it is convenient to fix outer skin while preventing glue leakage when pouring glue, upper cover is buckled to shell by buckle, while embedding column is embedded in cushion block when pressing block is pressed on circuit board, the fixing effect of circuit board is better.

The utility model discloses a glue pouring mould for a circuit board structure, which comprises a support and a cover plate, the support is provided with a positioning groove, the front end of the positioning groove is provided with an opening, and the cover plate comprises an upper cover plate and a lower cover plate which are detachably arranged on the upper wall and the lower wall of the support. A cavity with the opening is defined by the upper cover plate, the lower cover plate and the positioning groove, and the cavity is used for containing an electronic element. The number of the positioning grooves is at least one. The lower cover plate is provided with a supporting table, and the supporting table enables a gap to be formed between the bottom wall of the circuit board and the upper wall of the lower cover plate. The heat dissipation silica gel is filled between the circuit board and the upper cover plate, so that the heat dissipation silica gel is formed into a predetermined shape, then the structure is installed in the shell, the attractiveness and the integrity of the charger layout are effectively improved, meanwhile, the structure formed through glue pouring is adopted, the contact position of the PCB and the shell can be increased or decreased according to actual requirements, and the service life of the charger is prolonged. And the anti-falling effect of the charger is further improved.

The invention relates to the technical field of vehicle-mounted display module assembling, in particular to precise positioning and assembling equipment for a liquid crystal vehicle-mounted display module, which comprises a base, a through groove is formed in the top of the base, sliding grooves are formed in two inner side walls of the through groove, sliding plates are slidably connected in the sliding grooves, placing grooves are formed in the tops of the sliding plates, and lifting grooves are formed in the inner walls of the placing grooves. A lifting groove is formed in the base, a lifting plate is slidably connected into the lifting groove, a lifting push cylinder is fixedly connected to the bottom of the sliding plate, the bottom end of the lifting push cylinder is fixedly connected with the four corners of the top of the lifting plate, a first supporting frame, two second supporting frames and a third supporting frame are fixedly installed on the top of the base, and the third supporting frame is located between the two second supporting frames. And a series of parts with clear division of labor, such as glue injection, overturning, alignment conveying, press-fit drying and the like, are arranged in the base and at the top of the base, so that the assembly efficiency is greatly improved.

The utility model discloses a light-proof glue filling tool which comprises a fixed bottom plate, a first diaphragm tank and a second diaphragm tank which are used for containing two different glues are arranged on the fixed bottom plate, a first glue output port is formed in the outlet end of the first diaphragm tank, and a second glue output port is formed in the outlet end of the second diaphragm tank; at least one product base for placing a glue pouring product is further arranged on the fixed bottom plate, the glue pouring product is provided with two glue storage pipes which are arranged in parallel, movable glue plugs are arranged in the glue storage pipes, one end of each glue storage pipe is a glue inlet which can be communicated with a glue output port, and the other end of each glue storage pipe is a glue plug hole for the corresponding glue plug to enter and exit. The product base is further provided with a detection device used for detecting the glue injection amount in the glue storage pipe. The device has the beneficial effects that the extension length and the position of the rubber plug in a glue filling product are detected through the sensor, so that the uniformity of the glue filling amount in the product is ensured, and the consistency of the product is improved.

The present invention relates to the technical field of glue coating equipment, and specifically discloses a glue coating device, which includes a glue melting box, a glue coating shaft, a support assembly and an air supply mechanism, wherein the glue melting box is used to contain glue; the glue coating shaft is rotatably connected to the glue melting box, and is used to apply glue to a workpiece; the support assembly is arranged on the outer side of the bottom surface of the glue melting box, and an axial hole connected to the inner cavity of the glue melting box is formed inside, and the glue coating shaft is rotatably arranged in the axial hole; a vent hole is provided on the support assembly, and the vent hole is connected to the axial hole; the air supply mechanism is connected to the vent hole, and is used to introduce gas with a pressure greater than atmospheric pressure into the vent hole. The air supply mechanism of the glue coating device provided by the present invention introduces gas with a pressure greater than atmospheric pressure into the vent hole, and the vent hole is connected to the axial hole, so that the gas will be filled into the axial hole, thereby filling the gap between the hole wall of the axial hole of the support assembly and the glue coating shaft, preventing glue from flowing into the gap, achieving a gas sealing effect, and avoiding the occurrence of glue leakage.

The utility model discloses an automatic colloidal particle adding device of a packaging machine, and relates to the technical field of automatic colloidal particle adding. Comprising a base, and a feeding device, a conveying device and a receiving device are connected to the upper portion of the base; the feeding device is provided with an input end for inputting colloidal particles and an output end for outputting the colloidal particles; the feeding device is provided with a feeding port in butt joint with the output end of the feeding device and a feeding port used for outputting colloidal particles to the feeding device. The feeding device is used for quantitatively conveying colloidal particles entering the feeding port to the receiving device; the material receiving device comprises a telescopic assembly and a material receiving box connected to the telescopic end of the telescopic assembly. Under the action of the telescopic assembly, the receiving box can have a first state that the receiving box moves towards the feeding port and is in butt joint with the feeding port to receive glue and a second state that the receiving box moves away from the feeding port to unload the glue particles to the glue sprayer, the feeding device outputs quantitative glue particles to the receiving device, stable conveying of the glue particles is achieved, and the glue spraying efficiency is improved. The material receiving box can unload all the colloidal particles to the glue sprayer, and centralized output of the colloidal particles is achieved.

The utility model relates to injection mold technical field discloses a kind of multi-cavity injection mold for film plug, including main component, including heat flow plate and hot nozzle, the hot nozzle is set in heat flow plate one side;Mounting assembly is located hot nozzle side, including mounting block and sealing element, the heat flow plate is equipped with mounting groove, the mounting block is engaged with the mounting groove, the sealing element is located in mounting groove, including fixed sleeve, deformation block, moving block, lifting block, push block and arc plate.The utility model has the beneficial effect that: the hot nozzle and shunt are installed using the mode of clamping, and sealing assembly is provided, with the pressure increase of injection molding glue flow, the sealing element is triggered to make the sealing between hot nozzle and shunt stronger, to effectively prevent plastic melt from leaking from the connecting gap, avoid the occurrence of glue leakage phenomenon, ensure the smooth progress of injection molding production.

The breathable and comfortable composite non-woven fabric comprises a porous layer and one or at least two supporting layers arranged on one side of the porous layer in an attached mode, a plurality of breathable flow guide holes penetrating through the two opposite faces of the porous layer are formed in the porous layer, each breathable flow guide hole is in a closed geometrical shape, and the breathable flow guide holes are communicated with the porous layer. The maximum size of each ventilation flow guide hole is not less than 2mm; the porous layer and the supporting layer are both made of hot air non-woven fabrics. The disposable plastic film can be used on the inner side, excrement such as loose stool and menstrual blood flows out through the breathable flow guide holes of the porous layer and enters the supporting layer, direct contact between the excrement and the skin is avoided, the breathable and comfortable experience of a user is improved, meanwhile, the problem that glue is prone to leaking in a traditional large-hole compounding mode is solved, the glue leaking situation is avoided, and the use effect is good. The air permeability of the whole product can be improved when used on the outer side.

The utility model provides a gluing device. The gluing device comprises a rack; the gluing roller is arranged on the rack and can rotate around the axis of the gluing roller, and the gluing roller is used for gluing the tipping paper; the gluing roller is arranged on the rack and can rotate around the axis of the gluing roller, and the outer circumferential surface of the gluing roller is pressed against the outer circumferential surface of the gluing roller; a glue groove is formed in the outer circumferential surface of the gluing roller, a glue solution is stored in the glue groove, the gluing roller can be driven to rotate when the gluing roller rotates, the glue solution is smeared on the outer circumferential surface of the gluing roller, and a gluing area is formed; the gluing roller can reciprocate relative to the gluing roller in the first direction under the action of external force so as to adjust the position of the gluing area, and the first direction is the axial direction of the gluing roller. The position of a tipping paper gluing area can be adjusted, and glue leakage at the end of a filter stick of a finished cigarette is avoided. The utility model further provides an assembling machine.

The utility model discloses a hot runner mold pouring structure relates to hot runner mold pouring technical field, including hot runner board, the middle installation of hot runner board has the feeding seat, the inside installation of hot runner board has the shunt block, be equipped with the shunt groove of communication with the feeding seat on the shunt block, every shunt mouth department of shunt groove is equipped with a pouring pipe, and the pouring pipe is under the locking state, and the driving block will move to the limiting hole position along the avoidance hole, and fixed beads are pressed into the limiting groove by the driving block at this moment, thereby form stable location to the pouring pipe, when unlocking, only need to pull the sliding sleeve, and the sliding sleeve will drive the driving block synchronous movement, and the driving block removes the extrusion to fixed beads in this process, and the avoidance hole provides the displacement space of sufficiency for fixed beads simultaneously, makes fixed beads no longer exert pressure to the limiting groove, and finally realizes the quick unlocking of pouring pipe, compared with traditional screw fixed mode, greatly simplifies the operation process, and it is more convenient for the maintenance and maintenance of pouring pipe subsequently.

The utility model discloses a sealant gun capable of accurately discharging sealant. The sealant gun comprises a sealant gun body, a propelling device, a displacement detection device and a handle, the glue gun body comprises a glue barrel, a glue outlet pipe and an end cover, one end of the glue barrel is connected with the glue outlet pipe, an opening is formed in the other end of the glue barrel and used for containing sealant, and the end cover is installed on one side of the opening; the propelling device is mounted on the end cover and is used for extruding the sealant in the sealant barrel towards the sealant outlet pipe; the displacement detection device is arranged on one side of the glue outlet pipe and is used for detecting the moving distance of the glue gun; the handle is connected to one side of the glue gun body, an operation panel is arranged on the handle, a control button is arranged on the surface of the operation panel, a controller is arranged in the operation panel, and the controller is electrically connected with the propelling device, the displacement detection device and the operation panel. The sealant gun capable of accurately discharging the sealant can realize accurate sealant discharging.

The invention relates to a glue pouring heat dissipation method of a PCBA circuit board, which is characterized in that heat-conducting glue is poured into a prefabricated mold, so that the PCBA circuit board is tightly wrapped by the heat-conducting glue, close contact heat conduction is carried out on components, meanwhile, structural gaps are fully filled, and a large amount of heat storage is realized. After the heat-conducting glue is shaped, the surface becomes a smooth and flat surface, and a graphene high-heat-conduction heat-dissipation film is attached and wrapped immediately, so that uniform-temperature cooling of the whole product is realized.