20results about How to "Avoid glue overflow" patented technology

The present invention relates to the field of semiconductor chip glue dispensing technology, and in particular to a semiconductor chip multi-head batch glue dispensing device and a glue dispensing method thereof. It comprises a base, two groups of side panels are fixedly connected to the base, and transmission components are arranged on the two groups of side panels; a recovery box is arranged on one side of the base, a liquid storage tank is arranged on the recovery box, a liquid pump is installed on the liquid storage tank, and the liquid outlet of the liquid pump is connected to a plurality of groups of glue dispensing pens; the transmission component comprises a first horizontal plate and a second horizontal plate, and a driving mechanism is arranged on one side of the first horizontal plate; the driving mechanism drives a plurality of groups of glue dispensing pens to move back and forth, and at the same time, the driving mechanism drives the transmission component to move, so that a plurality of groups of glue dispensing pens can reciprocate horizontally on the surface of a corresponding group of semiconductor chips and make intermittent longitudinal movements at the same time, so that the surfaces of the semiconductor chips are evenly glued.

The invention discloses a real-time detection dynamic compensation dispensing method and system, a medium and a product, and relates to the technical field of data processing. According to the method, a dispensing track formed by a plurality of dispensing position points is obtained, height data of the upper surface and the lower surface of the shell are collected at a detection reference position in the dispensing process, and height deviation is calculated and measured. And determining an actual assembly clearance value of the product to be dispensed at the current position in combination with a preset shell standard thickness parameter. And correcting the dispensing position based on the gap value to obtain a target dispensing coordinate containing a corrected horizontal coordinate and a height coordinate. And comparing the actual assembly clearance value with a preset clearance threshold interval, determining a corresponding clearance interval category, and determining an associated dispensing speed parameter according to the category. And finally, the dispensing valve is controlled to execute the dispensing action according to the target dispensing coordinate and the dispensing speed parameter. By implementing the technical scheme provided by the invention, the dispensing efficiency can be improved.

The present invention discloses a bonding device for photovoltaic solar panel processing, and relates to the technical field of solar photovoltaic panels. The present invention includes a workbench, and a pressing device is arranged on the top surface of the workbench; the pressing device includes a lifting cylinder, a pressure cover, a distance adjusting block and a bolt, the lifting cylinder is fixed to the bottom surface of the inner wall of the operation chamber on the top surface of the workbench, the pressure cover is fixed to the telescopic end, and rectangular grooves are provided at both ends of the bottom surface of the pressure cover, and the distance adjusting block is slidably installed on the inner wall of the rectangular groove. The present invention makes the lifting cylinder, the pressure cover, the distance adjusting block and the bolt cooperate through the setting of the pressing device, and the bolt is adjusted to control the protruding distance of the distance adjusting block by using the bolt, and the downward pressing contact surface of the pressure cover is controlled to be displaced as needed, and when the battery cell can be pasted to the back plate, the downward pressing contact surface of the pressure cover is controlled to rise as much as possible to avoid damage and breakage of the battery cell during the downward pressing process, thereby improving the yield rate.

The invention belongs to the technical field of paper tube processing, and particularly relates to a paper tube forming machine which comprises a workbench, a supporting plate is installed at the top end of the workbench, an unwinding assembly is installed on one side of the supporting plate, a tensioning assembly is arranged on one side of the unwinding assembly, the tensioning assembly is installed on one side of the supporting plate, and a paper winding assembly is arranged below the unwinding assembly. The paper rolling assembly is also installed on one side of the supporting plate, and a glue brushing structure is arranged below the tensioning assembly. The movable frame can be automatically driven to adjust the position according to the thickness of the paper tape by pressing the surface of the paper tape through the pressing roller, the movable frame drives the brush roller and the glue scraping plate to adjust the distance from the top plate, the position can be adjusted according to the thickness of the paper tape, and the thickness of glue can be kept in a stable state in the glue brushing process; the glue scraping plate can scrape off uneven glue on the surface of the paper tape, and glue overflowing in the forming process is prevented.

The present invention discloses a hot melt adhesive film for laminating a four-sided curved display screen, including a laminating unit, wherein the laminating unit has a reserved cutout, and the reserved cutout is located at the four corners of the laminating unit. The hot melt adhesive film for laminating a four-sided curved display screen in the present invention can reduce wrinkles of the laminating unit at the corners of the display screen and avoid glue overflow at the corners of the display screen by setting reserved cutouts at the four corners of the laminating unit, and can avoid glue overflow at the corners of the display screen. The laminating unit in a molten state can automatically flow to the reserved cutout and fill the reserved cutout in other areas, thereby improving the laminating flatness and laminating yield of the display screen at the reserved cutout, and optimizing the display effect of the four-sided curved display screen.

The invention discloses a power module and electronic equipment. The power module comprises a power chip; the driving integrated circuit is electrically connected with the power chip; the heat dissipation substrate is provided with a first surface and a second surface which are oppositely arranged, a first side and a second side which are opposite in the length direction of the heat dissipation substrate, and a third side close to the driving integrated circuit, the power chip is arranged on the first surface of the heat dissipation substrate, and the heat dissipation substrate comprises an insulating layer, a first conductive layer and a second conductive layer, the second conductive layer comprises a main body part and an extension part connected with the main body part, the extension part extends towards the outer side of the insulating layer, and the extension part is arranged on at least one of the first side, the second side and the third side; at least one core-pulling pinhole is formed in the side, opposite to the second face of the heat dissipation substrate, of the packaging resin, the projection, in the thickness direction of the packaging resin, of the core-pulling pinhole is partially overlapped with the corresponding extending part, and the core-pulling pinhole is located on the outer side of the insulating layer.

The invention relates to the technical field of shoe materials, in particular to a polyurethane component connecting process which comprises the following steps: S1, manufacturing at least one male mold with a convex shape; s2, mounting the male mold on an injection molding machine, pouring thermoplastic elastomer TPE / TPR particles into the injection molding machine, heating and melting the thermoplastic elastomer TPE / TPR particles by the injection molding machine, then pouring the thermoplastic elastomer TPE / TPR particles into the male mold at high pressure, manufacturing a mold with a cavity matched with the convex shape of the male mold, and producing the mold in a large scale; s3, the rubber material in the molten state is poured into a cavity of at least one mold, redundant rubber material is removed through scraping, and the rubber material is a polyurethane rubber material or a two-component polyurethane rubber material; s4, placing a mold and waiting for the glue material to be cured and shaped to obtain a glue block; s5, blanking a hot melt adhesive film with a shape similar to that of the adhesive block; s6, the base cloth, the blanked hot melt adhesive film and the adhesive block are subjected to hot pressing combination; and S7, blanking the combined base cloth, and cutting off redundant base cloth to obtain a finished product.

The present invention relates to the field of curing agents, and more specifically, the present invention relates to an epoxy resin curing agent and a preparation method thereof, and an epoxy adhesive. The method comprises: mixing a thiol compound solution and a catalyst, dripping a vinyl compound solution, reacting at 30 to 100° C. for 15 to 25 hours, and performing reduced pressure distillation to obtain the epoxy resin curing agent. The present invention provides a novel epoxy curing agent, wherein the vinyl compound provided by the present invention and the thiol compound undergo an addition reaction, and the thiol compound is chain extended to obtain a polythiol epoxy curing agent, which has a high viscosity epoxy resin curing agent and improves the yield of the curing agent. The inventors have found that the epoxy resin curing agent prepared by the preparation method provided by the present invention can be used for the rapid curing of epoxy resins. While avoiding glue overflow, the cured adhesive product has high adhesion and heat resistance, and has no irritating odor, which can improve the convenience of use and expand the field of application.

The utility model discloses an OCA (Optical Clear Adhesive) with alignment holes, which comprises a light release film, an OCA body and a heavy release film which are sequentially stacked from bottom to top, and the light release film, the OCA body and the heavy release film are all square. The single-side boundary dimension of the OCA optical cement body is smaller than that of the light release film and that of the heavy release film, so that the light release film and the heavy release film form a single-layer area, and a first alignment through hole is formed in each of three vertex angles of the light release film located in the single-layer area. A second alignment through hole is formed in each of the three vertex angles of the heavy release film in the single-layer area, and the positions and the shapes of the three first alignment through holes correspond to those of the three second alignment through holes. If the OCA optical cement is placed reversely or inversely, the OCA optical cement cannot be placed into the alignment column to remind an operator, and a physical fool-proof effect is achieved.

The utility model provides a glue overflow prevention device of plastic injection molding equipment, and belongs to the technical field of glue overflow prevention of the plastic injection molding equipment. The glue overflow prevention device of the plastic injection molding equipment comprises a machining table, a glue overflow prevention mechanism comprises a stirring barrel, a mounting box is arranged at the top of the machining table, and an injection molding table is arranged in the mounting box. Firstly, when plastic stirring is completed, a water pump is started to inject plastic into an injection molding table, sliding grooves are formed in the periphery of the injection molding table, meanwhile, a circulating pump is arranged on one side of a stirring barrel, redundant plastic can be sucked into the stirring barrel through a circulating pipe, at the moment, a motor is started to drive a lead screw to rotate, and the lead screw drives a model block to move downwards; and pressure is provided for the interior of the injection molding table, redundant plastic can slide into the mounting box along the sliding groove, and therefore plastic overflowing can be prevented.

The present invention discloses a guide device and a guide method for an injection mold using a rotary guide structure, and relates to the technical field of guide devices for injection molds. The present invention includes a lower module, an injection tube, an upper template and two long grooves, and also includes a rotating device, the rotating device is arranged in the middle of the bottom surface of the upper template, the rotating device includes a square casing, a four-axis motor, four rotating rings, four concave rings and four threaded rods, the square casing is fixed in the middle of the bottom surface of the upper template, the square casing is arranged on the front of the upper template, the four-axis motor is fixedly installed on the back of the inner side of the square casing, and the four rotating rings are respectively fixed on the back of the rotating shaft of the four-axis motor. The present invention makes the upper template and the lower module more tightly closed by the action of the threaded rod and the rotary guide in the threaded hole, so as to avoid the gap in the guide device for the injection mold when it is in use, causing glue overflow.

The utility model discloses a mould anti -overflowing glue mechanism, it includes cylinder meson, threaded rod, cylinder connecting rod, sealing washer and fills bag plastic part, cylinder connecting rod sets up inner hole, and the bottom surface of inner hole is installed threaded rod, threaded rod hides in inner hole, and the lateral wall of inner hole is equipped with sealing washer; Filling bag plastic part is equipped in cylinder connecting rod outside, forms with cylinder connecting rod clamping sealing washer's structure, one end of cylinder meson is provided with the positioning hole, the cylinder meson of being driven displacement inserts the inner hole, threaded rod inserts the positioning hole, the lateral wall of inner hole expands along its radial because of the insertion of cylinder meson, drives sealing washer expansion, and the sealing washer of expansion and filling bag plastic glue close contact, form anti -overflowing glue mechanism, ensure that product surface smooth and complete, improve product quality, reach the purpose of disposable injection moulding, save correction etc. Process, reduce cost.

The utility model discloses a support adhesive tape for a photovoltaic frame, the photovoltaic frame comprises a mounting cavity for mounting a photovoltaic laminated piece, the mounting cavity comprises a first wall, a second wall and a third wall which are sequentially bent and connected to form a C-shaped notch, and the inner wall of the first wall faces the surface of the photovoltaic laminated piece; the photovoltaic laminating piece is characterized in that the supporting adhesive tape is fixed on the inner wall of the first wall, and the supporting adhesive tape is used for supporting the surface of the photovoltaic laminating piece during gluing and limiting glue liquid from flowing to the surface of the photovoltaic laminating piece. According to the utility model, glue overflow on the surface of the photovoltaic laminated piece can be avoided.

The utility model provides an air path air return control module and a piston self-return glue gun, and relates to the technical field of gluing tools, the air path air return control module comprises a valve body, a sealing plug and a spring; under the air inlet working condition, the sealing plug slides towards one end of the valve body exhaust port under the pressure of air entering from the valve body air inlet, the spring is compressed, the sealing plug is matched with the inner side wall of the valve body to seal the valve body exhaust port, and meanwhile the valve body air inlet and the valve body air outlet are communicated. And under the exhaust working condition, the spring rebounds, and the sealing plug is pressed against the inner side wall of the end part of one end of the valve body air inlet, so that the valve body air inlet is closed, and meanwhile, the valve body air outlet is communicated with the valve body air outlet. The piston self-return glue gun comprises a vacuum generator and the piston self-return glue gun. The technical problems that an existing glue gun piston is complex in retreating operation, the service life of the glue gun is prone to being damaged, and glue spills easily are solved.

The utility model provides a photovoltaic module shaping device. The photovoltaic module shaping device comprises a rack; the transmission assembly is a conveying line used for transmitting the photovoltaic assembly; the shaping assembly is arranged at the end part of the photovoltaic assembly and is used for carrying out glue extrusion and warping shaping on the photovoltaic assembly between the frame and the end part of the solar cell panel; comprising a support, an outer frame positioning assembly and a solar cell panel glue extruding and shaping assembly, the outer frame positioning assembly comprises an outer frame jacking unit arranged below the support and an outer frame pressing unit correspondingly arranged above the support. The solar cell panel glue extruding and shaping assembly comprises a cell panel supporting unit and a cell panel edge pressing unit correspondingly arranged above the support. According to the utility model, the sealant between the solar cell panel and the outer frame can be quickly and effectively extruded and shaped through the shaping assembly, so that the situations of less sealant and warping of the cell panel are avoided. And by matching with a reasonable gluing amount, the situation of glue overflow can be avoided, and the shaping efficiency of the photovoltaic module is greatly improved.

The application provides a vamp gluing device and method, and belongs to the field of shoemaking. The device comprises a main glue gun, an auxiliary glue gun, a third glue gun, a blowing assembly and a baffle assembly. The auxiliary glue gun is arranged at an adjustable inclination angle. The main glue gun is horizontally arranged and located below the auxiliary glue gun. The baffle assembly is arranged in front of the main glue gun and can be retracted backward. The third glue gun is horizontally arranged and located below the baffle assembly. The blowing assembly is arranged below the third glue gun. The application can avoid glue overflow or convex points at the toe of the shoe and effectively improve the gluing effect.

The utility model discloses a tab rubber structure, tab rubber tape and tab rubber production device, include: base material layer has along the first surface and second surface opposite to layer thickness, composite adhesive layer is divided and is located at the first surface and second surface, base material layer is provided with the anti -overflow through -hole along the layer thickness and is penetrated, and the interval between adjacent anti -overflow through -hole along the transverse and longitudinal direction of base material layer is equal, or the interval between adjacent anti -overflow through -hole along the longitudinal direction of base material layer is less than the interval between adjacent anti -overflow through -hole along the transverse of base material layer, composite adhesive layer includes the connecting layer close to base material layer, and the top of at least one connecting layer is provided with recessed portion, and the bottom of recessed portion is matched with anti -overflow through -hole concave -convex. Base material layer guarantees structural stability and is provided with anti -overflow through -hole simultaneously, after with composite adhesive layer compound, when tab and thermoplastic film heat seal, after heating, composite adhesive layer melts and flows and is connected and forms the even surface, not only solves its overflow problem, and has improved the connection firmness between two composite adhesive layers.

This utility model discloses a voice coil motor and a camera device. The voice coil motor includes a base, a housing, and an adhesive. The base has a hollowed-out central area forming a receiving space. The base has multiple outer side walls, with the lower edges of the outer side walls protruding outwards to form a raised structure. The housing is fitted onto the outer side walls of the base, with its lower edge matching the raised structure. The adhesive is located between the housing and the base, and the raised structure protrudes outwards relative to the housing by a certain distance. Therefore, the voice coil motor, through the base and housing, prevents adhesive from overflowing into the receiving space, while increasing the surface area available for bonding, thus helping to avoid product defects.

The invention discloses a self-adhesive label preparation method based on gel state transfer coating, which comprises the following steps: coating a first release carrier with a hot-melt pressure-sensitive adhesive heated to a melt flow temperature to form a melt adhesive layer on the surface of the first release carrier; cooling the molten glue layer to a gelation temperature in a gradient manner, and gelating the molten glue layer from outside to inside to form a gel-state glue film; after the gel-state adhesive film and the label plane material are laminated, the first release carrier is stripped, so that the gel-state adhesive film on the first release carrier is transferred to the label plane material, and an adhesive surface layer is formed on the surface of the label plane material; and compounding the adhesive surface layer with a second release carrier to obtain the self-adhesive label. The phenomenon of glue overflowing is effectively avoided, long-time high-temperature curing or preparation of middle double-sided adhesive tape needed by a traditional hot melt glue process is not needed, and online continuous efficient production from coating to finished product can be achieved.