1068 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 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 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 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 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 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 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.

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 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 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.

1. Name of the product of this design: Cosmetic packaging bottle (two-color mud film). 2. Purpose of this design product: used to hold cosmetics. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. This design product is made of transparent material. 6. Other situations that require explanation: The purple and cyan colors shown in the design pictures are the colors of the fillings.

The invention provides an etching method of a double-color second-class superlattice infrared detector, and belongs to the technical field of chip manufacturing. The method comprises the following steps: providing a double-color second-class superlattice infrared detector, and forming a photoresist mask on the surface of the double-color second-class superlattice infrared detector; under the condition that the ratio of the longitudinal etching rate to the transverse etching rate is not less than 5: 1, performing dry etching on the surface of the double-color second-class superlattice infrared detector to obtain an initial mesa structure; the initial mesa structure is subjected to wet etching, a middle mesa structure is obtained, the wet etching time is smaller than or equal to 2 min, and the wet etching temperature is smaller than or equal to 10 DEG C; and post-processing the middle table-board structure to obtain the table-board structure. Through organic combination of a high-anisotropy forming effect of dry etching and a low-damage repairing effect of wet etching, the low surface damage characteristic is considered while high aspect ratio etching is realized, the dark current of the device is fundamentally reduced, and the intrinsic detection performance of the device is improved.

The utility model discloses a novel light-emitting thick-wall piece which comprises a double-color piece, a headlamp decoration frame and a circuit board module, the double-color piece comprises a first double-color thick-wall piece and a second double-color thick-wall piece, the headlamp decoration frame is arranged on the outer side of the second double-color thick-wall piece, the second double-color thick-wall piece is arranged on the first double-color thick-wall piece, and the circuit board module is arranged on the headlamp decoration frame. The lamp panel is positioned in the headlamp decorative frame; wherein the circuit board module is transmitted to the double-color piece through the light guide, so that a double-layer circuit is realized. After the double-layer thick-wall parts are combined and the pattern area with the hollow middle part is realized through a mold core-pulling mode, the circuit board module can be selectively arranged at one end of the thick-wall part or placed below the thick-wall part, and the lightening effect is realized through light guide transmission at the lower half part, so that the single thick-wall part realizes the double-layer circuit effect; the manufacturing cost is reduced, meanwhile, the effect of a double-layer thick-wall part can be achieved, the overall output cost is saved, and market competition is facilitated.

The invention belongs to the technical field of injection molding products, and particularly relates to a double-color injection molding product anti-falling rubber coating structure which comprises a base body and a rubber coating layer coating the surface of the base body, a plurality of triangular inverted-buckle protrusions are arranged on the surface of the base body, and embedded grooves matched with the triangular inverted-buckle protrusions are formed in the corresponding positions of the rubber coating layer. Two base angles of each triangular inverted buckle bulge face the direction of the rubber coating layer, and a vertex angle is in acute angle connection with the surface of the base body. The interface bonding force between the rubber coating layer and the base body is remarkably enhanced through geometric interlocking design, a mechanical meshing structure is formed by the triangular back-off protrusions on the surface of the base body and the embedded grooves of the rubber coating layer, the peel strength of the triangular back-off protrusions and the embedded grooves of the rubber coating layer is improved by 30%-50% compared with a traditional plane structure, and the problem that the rubber coating layer is prone to falling off is effectively solved; meanwhile, the inverted buckle structure and the base body are subjected to synchronous injection molding, additional machining steps are not needed, the production process is simplified, and the production cost is reduced.

The invention relates to the technical field of double-color injection molds, in particular to a double-color injection mold for a silver decorative frame of an automobile instrument, the double-color injection mold comprises a first injection fixed mold, a second injection fixed mold and two movable molds, after the first injection fixed mold and the movable molds are closed, a movable mold core moves upwards by a first distance, and the movable mold core, a first injection mold core and a lower mold core are closed to define a first injection mold cavity for forming a bottom shell; after the second-injection fixed mold and the movable mold are closed, the movable mold core moves downwards by a second distance to be closed with the second-injection mold core and the lower mold core to form a second-injection mold cavity for molding a color layer; and before secondary injection glue injection, the movable mold core moves downwards by a third distance to define a glue injection cavity with the fixed mold core and the lower mold core, and the top of the glue injection cavity is communicated and connected with the bottom of the secondary injection mold cavity. The invention further provides a double-color injection molding method of the silver decorative frame of the automobile instrument. Compared with the prior art, the problems of interpenetration, diffusion or color mixing of the color layer and the bottom shell can be solved.

The invention relates to an ejection mechanism of a double-color injection mold, and belongs to the technical field of plastic product production, the ejection mechanism of the double-color injection mold comprises a mold body, the mold body is provided with a cavity, and the ejection mechanism further comprises a first ejection plate group, a second ejection plate group and a driving piece, the first ejection plate group and the second ejection plate group are both arranged on the side, away from the cavity, of the mold body in a sliding mode, and the driving parts correspond to the first ejection plate group and the second ejection plate group correspondingly and are used for driving the corresponding first ejection plate group or the second ejection plate group to be close to or away from the cavity of the mold body; the first ejection plate group is provided with an ejection body, the ejection body penetrates through the mold body in a sliding manner and extends into the cavity, and the second ejection plate group is provided with a separation assembly for separating a product from the end part of the ejection body. The product taking-out device has the effect of conveniently taking out a product.

The invention relates to a mold for double-colored injection molding of an optical lens and an injection molding method thereof, and belongs to the technical field of injection molding, the mold comprises a movable mold, a fixed mold and a rotary compensation assembly, the rotary compensation assembly is connected to one end, deviating from the movable mold, of the fixed mold, and one end, deviating from the fixed mold, of the rotary compensation assembly is connected with a rotary table of a double-colored injection molding machine; the laser displacement sensor is connected to the side surface of the movable mold; the reflector is connected to one surface, facing the laser displacement sensor, of the rotation compensation assembly; after the rotary table rotates, when the laser displacement sensor receives an optical signal reflected by the reflector, the rotation compensation assembly performs compensation rotation according to a deviation value received by the optical signal; the technical problems that in the prior art, a gear and rack transmission mode is adopted, a reverse gap and a gap after abrasion exist, and when reciprocating rotation is carried out, the positioning precision cannot meet the double-color injection molding requirement of an optical lens easily can be solved.

The invention relates to the field of molds, in particular to a double-color mold which comprises a base, at least two cooling assemblies, at least two fixed molds and at least two movable molds, the movable molds and the fixed molds are in one-to-one correspondence and are slidably connected to the surfaces of the fixed molds, and each cooling assembly comprises a power rod, a cooling piston, a first one-way valve and a second one-way valve. The end of the power rod is connected to the surface, facing the fixed mold, of the movable mold, a ventilation cavity for the cooling piston to slide is formed in the inner wall of the power cavity, a first air inlet channel is formed in the surface of the fixed mold, a first one-way valve is connected to the inner wall of the first air inlet channel, a first air outlet channel is formed in the surface of the fixed mold, and a second one-way valve is connected to the inner wall of the first air outlet channel. Through the arrangement of the power rod, the cooling piston, the first one-way valve and the second one-way valve, cooling of the fixed mold is further improved, the first ventilation channel is located between the ventilation cavity and the mold cavity, so that the mold cavity is located on the inner wall of the fixed mold and is not prone to temperature rise, the cooling period for cooling sizing materials in the mold cavity to form a product is shortened, and therefore the machining cost of the product is reduced.

The invention discloses an active focusing system and method based on double-color off-axis illumination coupling small target surface high-speed detection, and belongs to the technical field of optical microscopic imaging. The invention aims to solve the problems that the existing active focusing technology cannot directly judge the defocusing direction, tentative movement is needed, and the speed is low. The system adopts a shared objective light-splitting dual-channel structure, simultaneous double-color off-axis illumination is utilized, and a local area of an objective view field is mapped to a high-speed image sensor through a zoom optical assembly in a detection channel; a control unit collects a single-frame image containing double-color information at a time, the displacement of pixels with symbols is directly calculated through chromatographic separation and multi-ROI weighted cross-correlation operation, and a pre-calibrated linear model is combined to drive a Z axis to achieve one-time accurate compensation. According to the invention, a tentative focusing step is eliminated, efficient decoupling of focus measurement and imaging is realized, and the focusing speed and robustness of high-throughput pathological section scanning are remarkably improved.

The present invention relates to a method and a dual-color detection kit for the rapid and simultaneous detection of MS-222 and malachite green, and a technology for the rapid detection of veterinary drug residues in aquatic products. The invention utilizes red and blue colloidal gold with different particle sizes, combined with specific antibodies to construct different red and blue probes, respectively. The invention utilizes the principle that MG-BSA complete antigen and 3-aminobenzoic acid-BSA antigen coated on the T1 line and the T2 line, respectively, can compete with MG and MS-222 in the sample for binding to the blue probe and the red probe, thereby constructing a dual-color rapid detection test strip for MS-222 and malachite green that is clearly distinguishable to the naked eye and simple to operate.

The double-color injection mold head comprises a mold head body, an injection port is formed in one end of the mold head body, a first material channel is formed in the mold head body, the interior of the mold head body is hollow and rotationally connected with a mandrel, an outer material channel is formed between the end of the mandrel and the mold head body, and the outer material channel communicates with the injection port. A first communicating groove used for communicating the outer material channel with the first material channel is formed in the mandrel, the mandrel is axially connected into the die head body in a sliding mode, the end of the mandrel is provided with an inserting end matched with the injection port, and through rotation of the mandrel, opening and closing of the first material channel can be achieved; by driving the mandrel to move axially, the outer material channel can be closed by means of matching of the inserting end and the injection port, so that the phenomenon of material leakage during injection mold switching of the injection port is effectively prevented, multiple purposes of the mandrel are achieved, and the overall structure is simple and compact.

The utility model belongs to the field of medical instruments, and particularly relates to a pressing type quantitative dropper, in the pressing type quantitative dropper, a main pipe body, a soft rubber connecting piece and a pressing piece are integrally formed through injection molding (such as double-color mold injection molding), the pressing piece and the main pipe body are connected through the soft rubber connecting piece, and elastic force for resetting after pressing is provided for the pressing piece every time; according to the design, the pressing piece and the main pipe body are connected without assembling, welding and the like, the structure is simple, the production and manufacturing process is simplified, and machining and manufacturing are convenient.

1. The name of this design product: two-color prefilled syringe. 2. Purpose of this design product: for drug injection. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the field of injection molds, in particular to a double-color integrally-formed efficient injection mold which comprises a first mounting disc, the device further comprises mounting grooves, a driving motor, a screw rod, a moving seat, a mounting plate, a release agent tank, a pressing type discharging head, a hose, a fixing groove and a spraying head, two main molds are arranged on the surface of the front side of the first mounting disc, and the mounting grooves are formed in the surfaces of the tops of the two main molds. By arranging the driving motor, the output end of the driving motor can drive the screw rod to rotate during operation, the screw rod can drive the moving seat in threaded fit with the screw rod to reciprocate leftwards and rightwards during rotation, and the moving seat can drive the mounting plate and the release agent tank to move synchronously; and when a pressing type discharging head on the left side of the release agent tank is in contact with the left side wall of the mounting groove, the pressing type discharging head is extruded, so that the release agent in the release agent tank is introduced into the spraying head through a hose and is sprayed out in a mist form, and automatic spraying of the release agent is completed.