1360 results about "Dual color" patented technology

A broadband omni-directional bicone antenna. The antenna can comprise conductive surfaces of conical voids provided within a solid dielectric structure. The outside surface of the solid structure can support a radio frequency (RF) lens geometry operable for beam forming. The beam forming can modify the elevation pattern of the electromagnetic radiation from the bicone antenna. The solid dielectric structure may be machined or molded from a single piece of material. The conical voids provided within the solid structure can be metallized to provide conductive bicone radiators. The outer surface beam shaping lenses can be zoned or continuous and can provide elevation patterns with increased gain, cosecant squared falloff, or various other patterns. The beam shaping lens may be formed from any low-loss dielectric. Alternatively, the lens may be formed from a less dense material such as dielectric foam that can support radial conductive beam forming vanes.

The invention discloses a double-color rubber coating injection molding mold and method based on automobile lamp mask machining, and relates to the technical field of mold double-color injection molding, the double-color rubber coating injection molding mold comprises an operation table, the top of the operation table is provided with an injection molding device used for injection molding, the double-color rubber coating injection molding mold further comprises a supporting base, the supporting base is arranged at the top of the operation table, and one side of the supporting base is rotationally connected with a rotating disc; three shaping grooves used for injection molding are formed in the side, close to the injection molding device, of the rotating disc. A switching mechanism on one side of the switching disc drives the switching disc to rotate, so that an ejection mechanism ejects out cut-off waste materials in an injection molding groove and cleans the injection molding groove, and when a model obtained after secondary injection molding rotates by 60 degrees along with a rotating disc, a push-out device is arranged in a shaping groove, the completed model is pushed out, and therefore the mold forming efficiency is improved. Therefore, circular machining of the automobile lamp mask is achieved, and the overall machining efficiency is improved.

The invention relates to a double-color magnetic nanoparticle imaging method based on a single-harmonic system matrix, which comprises the following steps: respectively moving two different types of magnetic nanoparticle samples to a central zero magnetic field point, applying a scanning magnetic field to enable the zero magnetic field point to scan the whole imaging field of view, applying an excitation magnetic field to magnetize magnetic nanoparticles, and applying an excitation magnetic field to magnetize the magnetic nanoparticles; acquiring magnetization frequency spectrum signals of the two magnetic nanoparticle samples; the method comprises the following steps: constructing single harmonic system matrixes A1 and A2 based on single harmonic of magnetization spectrum signals of two kinds of magnetic nanoparticle samples; measuring a to-be-measured object formed by the two kinds of magnetic nanoparticles to obtain a measurement magnetization signal U; transversely splicing the single harmonic system matrixes A1 and A2 of the two different types of magnetic nanoparticles to obtain a new single harmonic system matrix A; the concentration distributions c1 and c2 of two different types of magnetic nanoparticles are obtained by combining a new single-harmonic system matrix A with a measurement magnetization signal U, and the concentration distributions of the two different types of magnetic nanoparticles are respectively sent into different color channels to be displayed in different colors. The method has important significance in promoting the application of the magnetic nanoparticle imaging technology in clinical medicine.

The invention belongs to the technical field of double-color injection molds, and provides an anti-deformation method for a double-color injection molded part, electronic equipment and a storage medium, and the anti-deformation method comprises the following steps: constructing a double-color injection simulation model according to a modeling mode; an injection molding simulation part is obtained through the double-color injection molding simulation model; analyzing the injection molding simulation part to obtain warping data of the injection molding simulation part; determining a pre-deformation scheme according to the warping data; mold opening data and reserved data are modified according to the pre-deformation scheme; mold opening verification is conducted according to the modified data and the reserved data, and an injection molding workpiece is obtained; the actual deformation amount of the injection molding workpiece is obtained; and if the actual deformation cannot meet the requirement, the mold opening data and the reserved data are adjusted until the actual deformation meets the requirement. According to the method, the mold opening data and empirical measure reservation are corrected by analyzing the theoretical deformation data, obtained by the double-shot molding simulation model, of the simulation part, and the product quality of the formed part is improved.

The utility model discloses a double-color injection mold for ejecting a rotary push plate. The double-color injection mold comprises a rear mold, a fixed seat is arranged on the rear mold, a top plate is arranged above the fixed seat, a first color mold core and a second color mold core are arranged on the fixed seat, a product limiting piece is arranged on the top plate, and the product limiting piece is movably connected with the first color mold core and the second color mold core respectively; a rotatable ejector rod and a rotary driving assembly are further arranged on the rear mold, the output end of the rotary driving assembly is connected with the ejector rod, one end of the ejector rod is connected with an external driving device, and the other end of the ejector rod is connected with the ejector plate; the ejector rod can drive the ejector plate to move in the direction close to or away from the fixing base, and the rotary driving assembly can drive the ejector rod to rotate so as to drive the product limiting piece to be aligned with the first color mold core and the second color mold core correspondingly. According to the utility model, double-color forming can be completed without using two sets of molds, so that the processing efficiency is improved, the problem that a product is crushed due to the fact that the mold is changed to place the first-color product is also avoided, and the quality of the processed product is guaranteed.

The utility model belongs to the technical field of injection molds, and relates to a double-color injection mold which comprises a mold core, a fixed support is arranged on the rear side of the mold core, a sliding seat capable of moving up and down is arranged in the fixed support in a sliding mode, and an upper-layer bottom plate and a lower-layer bottom plate are arranged in the sliding seat. An upper-layer sliding block capable of moving front and back is arranged on the upper-layer bottom plate in a sliding mode, a lower-layer sliding block capable of moving front and back is arranged on the lower-layer bottom plate in a sliding mode, and a horizontal oil cylinder for driving the upper-layer sliding block or the lower-layer sliding block to slide is arranged in the middle of the fixing support. And detachable hooking structures are arranged between the piston rod of the horizontal oil cylinder and the upper-layer sliding block and between the piston rod of the horizontal oil cylinder and the lower-layer sliding block. The double-color injection mold provided by the utility model has the advantages of simple structure, low cost, high precision and good adaptability.

The invention discloses a double-color injection molding process for an automobile lampshade, and aims to solve the problems of complex process, unstable quality, environmental pollution and the like in the process of realizing a multicolor effect through secondary processing of an existing single-color lampshade. According to the process, a cavity-divided mold design is adopted, a movable mold core is used for switching mold cavities, a primary color material and a cover color material are sequentially injected, and one-time forming of the double-color lampshade is achieved. Transparent polycarbonate is selected as a primary color material, opaque PC or PMMA is selected as a covering color material, and high optical performance and weather resistance are ensured. In the injection molding process, by optimizing process parameters of temperature, pressure, injection molding speed and cooling time, the defects of delamination, flow marks, bubbles and the like among materials are effectively avoided. And a mold runner adopts a balanced hot runner design, so that the material distribution uniformity is improved. The process achieves efficient production of the double-color lampshade, has the remarkable advantages of being excellent in product quality, low in production cost and environmentally friendly, and can be widely applied to the field of manufacturing of automobile lampshades.

An optical probe includes a probe body and a shank extending from the probe body to a tip. The tip includes a first plurality of light emitting diode pixels and a first plurality of recording electrodes. The first plurality of light emitting diode pixels includes a first light emitting diode and a second light emitting diode, wherein the first light emitting diode and the second light emitting diode emit a different color of light. The first plurality of light emitting diode pixels are arranged in groups. The light emitting diode pixels and groups of pixels are arranged in a particular manner. Methods for the manufacture of the probe and methods of using the probe are also described.

The invention relates to the technical field of injection molding monitoring, and discloses a double-color highlight molding injection mold data real-time processing method and system, and the method comprises the following steps: 1, collecting mold sensing data of two paths of melts, and forming a double-channel time sequence data sequence; step 2, calculating the time delay of the dual-channel time sequence data sequence and performing compensation; 3, extracting a pressure difference feature, a temperature difference feature and a flow difference feature, and fusing to obtain a coupling index; step 4, outputting predicted surface glossiness according to the pre-trained lightweight neural network model; step 5, generating a feedback control quantity and a feed-forward compensation quantity according to the deviation between the predicted surface glossiness and the preset target glossiness, and fusing the feedback control quantity and the feed-forward compensation quantity to obtain a parameter control quantity; and step 6, comparing the coupling index with a preset coupling threshold value, calculating the yield of finished products, and further performing early warning. According to the invention, real-time intelligent closed-loop control of the double-color highlight injection molded part from data acquisition to quality early warning is realized.

The invention provides a packaging method for a double-color-temperature COB light source, and relates to the technical field of LED light source packaging. The packaging method of the double-color-temperature COB light source comprises the following steps of (1) substrate pretreatment, (2) chip die bonding, (3) lead bonding, (4) fluorescent powder layer preparation, (5) packaging glue filling and (6) curing treatment. The substrate is subjected to special pretreatment, so that the adhesive force between the substrate and the packaging material is improved, and the reliability of the light source is enhanced. Through high-precision chip die bonding and an optimized lead bonding process, the chip position precision and the electrical connection reliability are ensured, and the optical performance consistency of the light source is improved. Through precise fluorescent powder proportion regulation and control and an ink-jet printing coating technology, precise regulation and control of double color temperatures are achieved, and the lighting requirements of different scenes are met. Through precise fluorescent powder proportion regulation and control and an ink-jet printing coating technology, precise regulation and control of double color temperatures are achieved, and the lighting requirements of different scenes are met.

The invention relates to a double-color mold sliding block withdrawing mechanism, which comprises a first injection female mold, a second injection female mold, a third injection female mold and a fourth injection female mold, the second injection female die is provided with a second tightening block used for fixing the first sliding block, and an inclined guide column is arranged in the second injection female die and used for being inserted into an inclined hole of the second sliding block to stir the second sliding block to move; the first sliding block is provided with a round hole and is used for being matched with the shutter of the second sliding block, so that the first sliding block moves through the friction force of the shutter under the shifting of the inclined guide column; the second sliding block is provided with an inclined hole, the inclined hole is used for pushing the second sliding block to move when the inclined guide column is inserted into the inclined hole, one end of the second sliding block is provided with a shutter, the shutter can be pushed by the inclined guide column to be inserted into the round hole of the first sliding block, and the first sliding block is driven to move through friction force of the shutter. According to the double-color mold sliding block withdrawing mechanism, the components are adopted, so that a sliding block mechanism which does not withdraw after one-shot and two-shot withdraw is realized, and after a textured surface of a product is formed through one-shot hard rubber, the product can be used for sealing two-shot soft rubber during two-shot.

The invention discloses a double-color mold demolding ejection device, and relates to the technical field of double-color mold demolding, the double-color mold demolding ejection device comprises a base station, an upper ejection plate and a lower rotating plate, the upper ejection plate and the lower rotating plate are arranged on the base station, a nozzle is arranged on the upper ejection plate, a mold is arranged on the lower rotating plate, and the double-color mold demolding ejection device comprises a side runner formed in the nozzle and a sliding rod slidably arranged in the side runner; a liquid outlet channel is defined by the side flow channel and the outer wall of the sliding rod; the center pipe is arranged in the nozzle in a sliding mode in the axial diameter direction and used for driving the sliding rod to extend, and a blocking block is fixedly arranged at the top end of the center pipe. According to the demolding and ejecting device for the double-color mold, gel in a center runner and a side runner is dredged through extension of a center pipe and a sliding rod, accumulated force of an elastic pipe is released, the distance between a movable barrel and the upper end of an inner cavity is increased, the volume of the movable barrel is increased, negative pressure is generated in the movable barrel, and therefore residual air in the mold is sucked through the center pipe; and the problem of cavities or bubbles is prevented.

The invention relates to the technical field of image processing, and relates to a double-color injection molding appearance detection method and system based on image recognition, and the method comprises the steps: obtaining an image of a to-be-detected double-color injection molding part; identifying a double-shot molding area in the image, and determining a symmetry axis of the area; setting an initial sliding window, gradually sliding in the region along a direction parallel to the symmetry axis, calculating a characteristic value of a pixel in the sliding window during each sliding, establishing a characteristic sequence corresponding to each column of pixels in the region based on the characteristic value, and calculating a Pearson's correlation coefficient between the characteristic sequences of symmetrical columns on two sides of the symmetry axis; when the Pearson correlation coefficient is greater than or equal to a set threshold value, judging that the quality of the to-be-detected double-shot molded part is normal; and if not, determining that the to-be-detected double-color injection molded part has the quality defect. According to the invention, the detection efficiency and accuracy during quality detection of the double-shot injection molding appearance are improved.

The invention discloses a color 3D printing data processing method and device, equipment, a medium and a product, and the method comprises the steps that according to color features in a color grid model M, a double-color material transition process color mixing model GMap corresponding to different colors is established; establishing a color voxel model A of the color mesh model for the given color mesh model M; according to the color voxel model A and the color grid model M, a color filling path and a conventional filling path in each slice layer are obtained through calculation; according to the established double-color wire transition process color mixing model GMap, color mixing path mapping processing of a color filling path and a conventional filling path in each layer is completed; and the mapped color filling paths in all the layers and the conventional filling paths are converted into a GCode printing instruction file, and single-nozzle double-color wire mixed color printing is completed. By means of the innovative color mixing model and voxelization treatment, high-quality color mixing printing of the single-nozzle 3D printer is achieved, and the printing precision and efficiency are improved.

The present invention relates to a flexible optical variable thin film with light-induced angle-dependent color change and a preparation method thereof. The base film is selected from one of biaxially oriented polyester film (BOPET), biaxially oriented polypropylene film (BOPP), OPP and nylon (PA) film. By using suitable equipment, processes and materials, an adhesive layer, a reflective layer, a refractive layer and a protective layer are plated and coated based on metals Cr\AL and polymers. It is fully considered that the finished product can still maintain flexibility after the drying and forming of each film layer, and light can propagate between different film layers. As a result of multiple reflections and refractions interacting with each other, an interference phenomenon of "two-color effect" of light occurs, resulting in a light-induced angle-dependent color change effect, and endowing the thin film with different bright lights and colors from multiple perspectives.

The utility model relates to the technical field of double-color injection molds, and solves the problems that a structure lacks to carry out automatic ejection operation on a workpiece subjected to injection molding, the workpiece is manually taken down, the workpiece is easily damaged due to errors of manual operation, and the injection molding processing efficiency of a double-color injection molding device is influenced due to low efficiency of manually taking out the workpiece. The automatic ejection double-color injection mold comprises an operation table, a rotary table is arranged on the top face of the operation table, double-color injection molding equipment is arranged on the top face of the rotary table, an injection mold is arranged on the top face of the double-color injection molding equipment, and an ejection assembly is arranged in the double-color injection molding equipment. The ejection assembly comprises a driving motor arranged in the double-color injection molding equipment, the output end of the driving motor is fixedly connected with a driving wheel, the side face of the driving wheel is meshed with a chain, the surface of the chain is meshed with three driven wheels in a rectangular array mode, and ejection structures are arranged on the top faces of the driving wheel and the driven wheels.

The invention discloses a material flow collaborative distribution system for a double-color injection mold of an automobile connector, relates to the technical field of intelligent manufacturing equipment, and can solve the technical problems of inaccurate regulation and control in the injection molding process and easy generation of a bonding line defect, and the material flow collaborative distribution system comprises the following steps: obtaining production monitoring data in the production process of the double-color injection mold; according to time sequence monitoring parameters in the production monitoring data, abnormal data generated by temporary interference are identified and eliminated, and abnormal state parameters are obtained; wherein the abnormal state parameter is used for representing a real process abnormal state after the temporary interference is eliminated; according to the abnormal state parameter, screening out a historical similar state similar to the current production process from the historical production monitoring data, and determining the interference degree on the defect of the bonding line in the current production process according to the historical similar state; determining a current regulation and control demand according to the interference degree; and a regulation and control instruction is generated according to the current regulation and control requirement, and an execution mechanism is driven according to the regulation and control instruction to adjust the melt propelling speed.

The utility model relates to the technical field of injection mold replacement, in particular to a quick-replaceable double-color injection mold which comprises a mounting base, the bottom surface of the mounting base is fixed on the surface of an injection device main body, an air cylinder is arranged on the inner surface of the top of the injection device main body, and the power output end of the air cylinder of the injection device main body is fixed on the surface of an upper mold body. A mold core is arranged on the surface of the mounting base, a clamping hole is formed in the surface of the mold core, a threaded telescopic rod is clamped in the clamping hole, and the surface of the threaded telescopic rod penetrates through the threaded rod storage groove; the double-color injection mold capable of being rapidly replaced has the beneficial effects that the surface of the mold core is movably connected into the mold core mounting frame, the surface of a threaded telescopic rod penetrates through a threaded rod containing groove, and when the threaded telescopic rod is rotated, the length of the threaded telescopic rod is changed to be clamped into a clamping hole; and therefore, the mold core can be quickly disassembled and replaced from the mold core mounting frame, and the mold core can be replaced without the need of disassembling the bolt by a worker.

The rotary double-color mold comprises a plate A, a plate B and a bottom plate, a fixed mold core and a movable mold core which are matched in a mold closing mode are arranged in the plate A and the plate B respectively, square iron is arranged between the plate B and the bottom plate, and two different fixed mold cavities are formed in the fixed mold core; the movable mold core is composed of a positioning mold core arranged on the plate B and two independent inserts vertically fixed to the square iron, the positioning mold core is provided with two first movable mold cavities vertically corresponding to the fixed mold cavities, and the top ends of the two independent inserts are each provided with a second movable mold cavity; the plate B is provided with a driving mechanism which is only used for driving the positioning mold core to rotate by 180 degrees; according to the double-color mold, only other parts of the movable mold core need to be rotated by 180 degrees, the fixed mold cavity and the movable mold cavity discharge glue for injection molding at the same time, high-quality products can be obtained through synchronous and rapid 360-degree coating injection molding of soft glue and hard glue, the injection molding products do not need to be lifted and turned over, the design difficulty of the double-color mold is greatly reduced, the cost is reduced, and the production efficiency is improved.

According to the heat stabilizing method of the double-color injection mold, a phase change heat storage unit is arranged in the rotary double-color injection mold and embedded in an annular groove formed in the outer wall of a mold cavity on the movable mold side of the double-color injection mold; a phase change heat storage material is packaged in the phase change heat storage unit, and heat insulation layers are arranged on other outer surfaces of the phase change heat storage unit; the melting point of the phase-change heat storage material is lower than the softening point of the plastic material and higher than the demolding temperature of the plastic material; during first injection molding, a molten first material heated to a first high temperature is injected into the lower-layer mold cavity through a hot runner, and is cooled below the first low temperature to be cured; the phase-change heat storage unit absorbs heat of the mold cavity and starts to melt when the temperature rises to a first low temperature, and temperature rise of the mold cavity is delayed; during secondary injection molding, a molten second material heated to a second high temperature is injected into the upper-layer mold cavity; the phase change heat storage unit controls the temperature of the lower-layer mold cavity to be below the third temperature through latent heat absorption, and the first material is prevented from being softened. Temperature fluctuation of the mold can be balanced, and softening of the first injection molding material caused by sudden temperature drop is prevented.

The invention discloses a two-color printing method based on a thermal printer. The two-color printing method comprises the steps that a two-color printing mode is started; performing color configuration on different types of to-be-printed information, and respectively setting the to-be-printed information as a first color and a second color; converting the character data to be printed into dot matrix data; according to the color configuration, converting the dot matrix data into double-color printing dot matrix data according to a double-color printing data encoding format; the control chip of the thermal printer separates second color printing data from the two-color printing dot matrix data, and respectively restores all the two-color printing dot matrix data and the second color printing data into 1-bit single-color printing dot matrix data; calculating the first color heating time and the second color heating time of the double-color thermo-sensitive paper according to the restored double-color printing dot matrix data and the second color printing data; and according to the first color heating time and the second color heating time, the printing head is controlled to heat the two-color thermo-sensitive paper in a time-sharing mode, and two-color printing is achieved. The printing information identification degree can be improved.

The invention provides a cyanide generation and absorption efficiency monitoring method based on double-color indicator gradient change, and belongs to the technical field of cyanide monitoring, the absorption process is visually reflected through the double-color indicator gradient change, the absorption efficiency can be rapidly judged through color change without a complex instrument, the operation is simple and convenient, and the cost is low. And gradient color development and spectral analysis are combined, so that the detection limit can reach a mu g / L level, the trace detection requirement is met, and the absorption condition of the low-concentration cyanide can be accurately monitored. Through real-time change of the color gradient, the concentration distribution and the reaction process of the cyanide in the absorption process can be dynamically reflected, real-time data support is provided for industrial process control and environmental emergency monitoring, expensive detection equipment is not needed, the reagent cost is low, and the method is suitable for large-scale popularization and application.

The technology comprises the following steps that firstly, a female die 1 and a female die 2 need to be manufactured, the female die 1 is provided with a corresponding product 1, the female die 2 is provided with a whole corresponding to the product 1 and the product 2, real-time machining is carried out through CNC according to the size specification and the shape standard of a 2D or 3D drawing, and then the product 1 and the product 2 are manufactured; according to a polyurethane product formed by two materials, only one bottom mold and two upper molds are manufactured by utilizing a silica gel mold copying process, the bottom mold and the upper mold 1 are firstly used for manufacturing a product 1, the product 1 does not need to be taken out, the upper mold 2 is directly replaced, and an adhesive and a release agent are not brushed, so that the production process is simple, and the production cost is low. The characteristic that the product 1 is just cured but not completely vulcanized is utilized, the material 2 is directly poured, and the finished product is taken out for vulcanization after the material 2 is cured, so that the two materials are crosslinked more tightly, the connection strength and the flash condition are obviously improved, and the mold manufacturing cost is effectively reduced.

The invention relates to the technical field of high polymer materials, and discloses a double-color gradient PVB (Polyvinyl Butyral) film and a preparation method thereof. The double-color gradient PVB film comprises a first surface layer, a sound insulation layer and a second surface layer which are arranged in a stacked mode. In the first surface layer, one side of a breadth center line contains a wedge-shaped gradient layer; the wedge angle of the wedge-shaped gradient layer is close to the width center line of the first surface layer; the breadth of the wedge-shaped gradient layer is smaller than 1 / 2 of the total breadth of the double-color gradient PVB film; the thickness of the wedge-shaped gradient layer is smaller than or equal to the thickness of the first surface layer. According to the double-color gradient PVB film, the design of the pure color area and the gradient color area is formed on the appearance, the light transmittance of the pure color area reaches 25% or below, and the light transmittance of the dark color part of the gradient color area reaches 5% or below; the sound insulation layer is arranged between the first surface layer and the second surface layer, so that the PVB film has sound insulation performance; and the PVB film also has good flexibility and stretch resistance.

The present invention discloses a two-color overmolding injection molding die and method for automobile headlamp mask processing, which relates to the technical field of two-color injection molding of dies. It includes an operating table, and an injection molding device for injection molding is arranged on the top of the operating table. It also includes: a support seat, the support seat is arranged on the top of the operating table, and a rotating disk is rotatably connected to one side of the support seat. Three shaping grooves for injection molding are arranged on the side of the rotating disk close to the injection molding device; a switching mechanism on one side of the switching disk drives the switching disk to rotate, so that the ejecting mechanism ejects the cut waste inside the injection molding groove and cleans the injection molding groove. When the model after secondary injection molding rotates 60 degrees along with the rotating disk, by arranging a pushing device inside the shaping groove, the completed model is pushed out, so as to achieve the cyclic processing of the headlamp mask and improve the overall processing efficiency.

The double-color injection mold comprises a fixed mold, a movable mold and an ejection mechanism, a pressing block is arranged on the periphery, corresponding to a first cavity and a second cavity, of a female mold, the pressing block is connected to the female mold in a sliding mode, an inwards-concave driving groove is formed in the pressing block, a first driving block matched with the driving groove is arranged at the position, corresponding to the first cavity, of a male mold, and a second driving block matched with the driving groove is arranged at the position, corresponding to the second cavity, of the male mold. When the first driving block is matched with the driving groove, the pressing block is driven to move to press the peripheral edge part of the primary injection molding product, when the second driving block is matched with the pressing block, the pressing block is driven to move outwards to be separated from the peripheral edge part of the primary injection molding product, and a bearing piece used for bearing and abutting against the primary injection molding product is arranged on the periphery, corresponding to the second cavity, of the male die. The bearing piece bears and abuts against the primary injection molding product before the pressing block is separated, the outer periphery of the primary injection molding product is pressed in the female die through the pressing block, the pressing block and the bearing piece are combined for use, it is ensured that the primary injection molding product is always pressed in the female die in the period of switching to the second injection molding, and the injection molding quality and effect are effectively improved.

The invention discloses a two-color heat-sensitive material as well as a preparation method and application thereof, and relates to the technical field of heat-sensitive color development materials. The invention provides a double-color heat-sensitive material. The double-color heat-sensitive material is prepared from the following components in parts by weight: 20 to 50 parts of color developing agent dispersion liquid, 5 to 15 parts of dye precursor microcapsule emulsion A, 15 to 45 parts of dye precursor microcapsule emulsion B, 5 to 15 parts of adhesive and 5 to 30 parts of filler. According to the invention, the dye precursor microcapsule emulsion A and the dye precursor microcapsule emulsion B with specific structures are mixed, and the two microcapsule emulsions are matched for use, so that two high-definition hues can be printed at the same time based on the magnitude of printing energy by utilizing different softening points of wall materials of the two microcapsule emulsions; the two-color heat-sensitive material has excellent hue isolation (high-definition low-temperature color development hue and clear high-temperature color development hue can be obtained at the same time) and aging resistance, the problems that an existing two-color heat-sensitive material can only achieve two-color printing under high-energy-level printing and printing is not clear are solved, and the application field of the two-color heat-sensitive material is widened.

The utility model discloses a rotary double-color mold for an automobile roof handle, which comprises a plate A, a plate B and a bottom plate, a fixed mold core and a movable mold core which are matched with each other in a mold closing manner are respectively arranged in the plate A and the plate B, square iron is arranged between the plate B and the bottom plate, and two different fixed mold cavities are arranged on the fixed mold core; the movable mold core is composed of a positioning mold core arranged on the plate B and two independent inserts vertically fixed to the square iron, the positioning mold core is provided with two first movable mold cavities vertically corresponding to the fixed mold cavities, and the top ends of the two independent inserts are each provided with a second movable mold cavity; the plate B is provided with a driving mechanism which is only used for driving the positioning mold core to rotate by 180 degrees; according to the double-color mold disclosed by the utility model, only other parts of the movable mold core need to be rotated by 180 degrees, and the fixed mold cavity and the movable mold cavity discharge glue for injection molding at the same time, so that high-quality products can be obtained by synchronously and quickly coating and injecting soft and hard glue at 360 degrees, and the injection molding products do not need to be lifted and turned over, so that the design difficulty of the double-color mold is greatly reduced, the cost is reduced, and the production efficiency is improved. The production efficiency is improved.

A double-color injection molding machine capable of automatically separating a middle frame relates to the field of sole processing equipment, and is characterized in that an upper mold, the middle frame and a lower mold are sequentially arranged on a bracket from top to bottom; the turnover mechanism is arranged on the support, connected with the upper die and drives the upper die to turn upwards. One end of the middle frame is rotationally connected with the upper die and moves up and down along with the upper die. The lifting mechanism is arranged on the support and connected with the lower die to drive lifting. The locking mechanism is arranged on the bracket and is used for locking the turnover mechanism; the demolding mechanism comprises a mounting block and a limiting block, the mounting block is arranged on the support and located on the side of the middle frame, and the side, close to the middle frame, of the mounting block sinks inwards to form a limiting groove extending in the vertical direction; one end of the limiting block is connected with the middle frame, the other end of the limiting block extends and is arranged in the limiting groove in a lifting mode, the limiting block moves upwards along with the middle frame to the top of the limiting groove and then is separated from the upper mold, and demolding is automatically completed. The structure perfectly replaces a structure adopting a demolding air cylinder for demolding in a comparison file, automatic demolding is achieved, meanwhile, the needed cost of equipment is lower, and the occupied space is small.