1342 results about "Sprue" patented technology

The invention belongs to the technical field of aluminum alloy casting, and relates to a gap type pouring system and method for a ZL205A alloy cylindrical casting. According to the diameter of the barrel-shaped ZL205A alloy casting, a certain number of gap type pouring gates are arranged on the outer side, vertical barrels of the gap type pouring gates are located on pouring gate pieces connected with cross-shaped annular transverse pouring gates, pouring gates for anti-gravity pouring are arranged on cross-shaped cross points of the transverse pouring gates, annular dead heads are correspondingly arranged at the top end of the barrel-shaped ZL205A alloy casting, and the cross-shaped annular dead heads are arranged at the top end of the barrel-shaped ZL205A alloy casting. The dead heads are connected with all the gap pouring gates, a chilling block is arranged between the two gap pouring gates corresponding to the outer side of the cylindrical ZL205A alloy casting, a chilling block is arranged at the bottom of the bottom end flange, a chilling block is also arranged at the bottom of the top end annular flange, and a gap pouring system is formed. According to the method, anti-gravity pouring molten metal is comprehensively utilized for stable mold filling, sequential solidification feeding is conducted under the gravity, the deformability of a casting mold is improved, and control over looseness, cracks and segregation defects of the ZL205A alloy cylindrical casting is achieved.

The invention discloses a ductile iron dead-head-free casting process which comprises the following steps: S1, a casting mold modeling step: filling cavities of an upper half casting mold and a lower half casting mold with dry mold sand before casting, and arranging a pouring system in the cavities of the upper half casting mold and the lower half casting mold; s2, nodular cast iron smelting, wherein raw materials of nodular cast iron are put into a cupola furnace to be smelted; step S3, spheroidizing and in-ladle inoculation treatment: performing spheroidizing by adopting a dam type flushing method, putting a spheroidizing agent into a ladle pit, tamping, covering the spheroidizing agent with a thin layer of silicon iron and cast iron scraps, performing in-ladle inoculation through an inoculant, and removing scum on the surface of the molten iron after the molten iron reacts stably; s4, pouring is conducted, specifically, the molten iron is poured into a sprue, and stream inoculation is conducted by adding an inoculant in the pouring process; and S5, cooling forming is conducted, specifically, after the casting is cooled and solidified, the casting is taken out, and a sand layer on the surface of the casting is taken out.

A bearing hub casting mold and casting method. The mold comprises part models, risers and a sprue bush, wherein each riser is connected to the top of the part model; the sprue bush is connected to each riser by means of a horizontal runner; and the part models, the risers and the sprue bush are sequentially distributed from bottom to top in a vertical direction. In the bearing hub casting mold, by means of the provision of the riser at the top of each part model, a bearing hub is cast-molded by means of a top-pouring process, and after pouring, there is no isolated liquid-phase region during a solidification process of a casting, and the casting has no shrinkage porosity defect, thereby improving the quality of a bearing hub part.

The invention relates to the technical field of turbine blades, in particular to a single-crystal high-temperature alloy turbine blade shell and a preparation method thereof.The shell comprises a sprue cup, a sprue, a cross gate, a slag collecting groove, a seed crystal cavity and a seed crystal growth cavity; wherein the two ends of the sprue are respectively connected with the sprue cup and the cross gate; the seed crystal cavity is vertical to the other end of the cross gate and the inlet channel of the slag collecting groove and is positioned below the seed crystal growth cavity; and the seed crystal growth cavity is respectively communicated with the seed crystal cavity, the slag collecting groove and the cross gate. According to the arrangement mode of the seed crystal, a gap between the seed crystal and the seed crystal cavity is eliminated, and the seeding defect caused by the existence of the gap is avoided. And the length of a seed crystal paste area is obviously reduced by designing a pouring gate structure and a slag collecting groove, so that the seeding defect in the seeding process of the seed crystal is avoided as much as possible.

The invention discloses a die-casting forming method of an aluminum alloy shell die casting, which relates to the technical field of forming processing of metal parts and comprises the following steps: selecting materials, melting and refining, carrying out die-casting forming, shaping and trimming, refining and machining, cleaning and decontaminating, and assembling. Through fine polishing treatment and preheating measures, the problem of film sticking at a sprue is remarkably relieved, effective feeding, slow injection and rapid injection are achieved, the speed of an injection punch of rapid injection is larger than 6 m / s so that the density and quality of a final casting can be guaranteed, a cavity is divided into different temperature zones in the injection direction, staged cooling is conducted, and the casting quality is improved. The mold is opened 19-21 seconds after the cavity is filled with the raw materials, it is ensured that the casting has enough strength, deformation or damage is avoided, the high-performance requirement of the aluminum alloy shell of the automobile air conditioner compressor can be met, the production efficiency and the product quality can be improved, and meanwhile the influence on the environment is reduced.

The utility model provides a high-temperature charging barrel of a die-casting die, which comprises a charging barrel and a plurality of cooling water channels, the cooling water channels are arranged along the axial direction of the charging barrel, the cooling water channels are arranged in the lower half side wall of the charging barrel, a plurality of heating rods are arranged in the upper half side wall of the charging barrel, and the heating rods are distributed in the circumferential direction; the heating rod is arranged along the axial direction of the charging barrel; each heating rod is connected with a cable; and a thermocouple is arranged on the outer side wall of the charging barrel. The utility model ensures that the charging barrel pressure chamber is uniformly heated, so that axial cracks at the bottom of the pressure chamber sprue, interference between the charging barrel pressure chamber and the punch are reduced, strain of the pressure chamber is reduced, the service lives of the pressure chamber and the punch are prolonged, the production cost is saved, the flowability and feeding capacity of molten metal in the cavity are improved, and the mechanical property fluctuation of a casting is reduced; and low material temperature can be used for filling, and the risk of insufficient molten metal casting due to cold shut is reduced.

The invention relates to the technical field of brake shoe casting, in particular to a lightweight brake shoe and sand mold casting mold, the mold comprises a male mold and a female mold which are used for forming a sand mold, the surface of the male mold is provided with a first convex block, a first pouring cup and a pouring gate system, and the first convex block is provided with a first casting mold; the pouring gate system comprises a transverse pouring gate, an inner pouring gate and an inner pouring gate, the transverse pouring gate is connected with the first pouring cup, and the inner pouring gate is located at the upper end of the first boss and correspondingly arranged between two rib plates of the brake shoe; the female die comprises a second die plate, a first groove and a second pouring cup are arranged on the surface of the second die plate, and a plurality of second casting molds are arranged in the first groove. The inner pouring gate is arranged at the upper end of the shoe plate of the brake shoe and between the two rib plates, so that during pouring, mold filling of the large-face shoe plate and mold filling of the small-face shoe plate can be conducted in sequence from bottom to top, the problem of cold shut shrinkage porosity is avoided, and the machining procedures of the brake shoe are reduced.

The invention relates to the technical field of casting molds, and discloses an automobile planet carrier casting mold which comprises a mold plate arranged between an upper mold and a lower mold, an upper sand mold, a lower sand mold, a sand core and a sprue are installed on the mold plate, and the sand core is located between the upper sand mold and the lower sand mold and used for blocking cavity communication of the upper sand mold and the lower sand mold; guide columns corresponding to the upper and lower dies are mounted on the upper and lower end faces of the template, and are inserted into guide holes of the upper and lower dies, so that accurate die assembly is realized. Through combination of the upper sand mold, the lower sand mold and the sand core, the mold can mold an upper casting and a lower casting at the same time by using the sand core to block communication of the mold cavity, the production efficiency is greatly improved, the thickness of the sand core is set to be 0.8 times of the wall thickness of the casting, shrinkage porosity linearity caused by a hot spot in the casting can be avoided, and meanwhile, the production efficiency is improved. The pouring gate supplies liquid to the upper sand mold and the lower sand mold through the residue filter, impurities in molten metal are removed through the filtering assembly, the shrinkage porosity defect caused by the impurities is reduced, and therefore the qualification rate of castings is increased.

A method of casting metal parts such as valve seat inserts comprises pouring molten metal into a gating system of a mold plate stack wherein mold plates are located between a cover mold and a bottom mold, the gating system including a casting header, down-sprue, at least one distribution runner, at least one up-sprue, runners and gates in fluid communication with mold cavities configured to form metal parts, and the gating system including at least one internal passage in the cover mold in fluid communication with the up-sprue and the down-sprue. During filling of the mold cavities with the molten metal, air trapped in the mold plate stack is expelled to surrounding atmospheric air via the up-sprue, the internal passage and an upper end of the down-sprue. The molten metal is solidified to form cast metal parts interconnected by solidified metal in the down-sprue, distribution runner, runners and gates, up-sprue and internal passage.

The utility model relates to the technical field of injection molds, in particular to a mechanical automatic sprue shearing device which comprises a mold base B and a mold base A. The mold base A is located below the mold base B and can move up and down. The insert in the mold base A can be matched with the cavity in the mold base B, a gap capable of forming a decorative ring product is reserved between the insert and the cavity, a molten liquid runner capable of being communicated with the gap is arranged in the mold base B, and molten liquid can be injected into the gap along the molten liquid runner. And an automatic sprue shearing structure capable of automatically shearing a sprue in the molten liquid runner when the mold base B and the mold base A are subjected to mold opening operation is arranged in the mold base B and the mold base A.

The invention belongs to the technical field of casting, and particularly relates to a pouring device and method capable of dynamically adjusting the position, flow and flow direction of a pouring gate, the pouring device comprises a pouring ladle, a casting mold and a pouring pipe, the upper end of the pouring pipe is arranged on the pouring ladle, and the lower end of the pouring pipe is inserted into a cavity in the casting mold; the multi-degree-of-freedom movement mechanism is connected with the pouring pipe and is used for regulating and controlling the position of the pouring pipe; the sprue opening and closing assembly is used for controlling the opening and closing state of the sprue; the lateral flow outlet opening and closing assembly is used for controlling the opening and closing state of the lateral flow outlet; according to the pouring device and method, the design difficulty of a pouring system and the casting mold preparation difficulty are simplified, the process yield of castings is increased, the mold filling state, the mold filling capacity and the solidification feeding effect of molten metal are optimized, and the casting quality is improved. And the quality of the casting is improved, the flexibility and controllability of the production process are improved, and fusion with other technologies is facilitated.

The utility model belongs to the technical field of dies, and discloses an automatic water gap cutting die. The automatic water gap cutting mold comprises an upper mold, a lower mold, a runner plate and a linkage mechanism. And the upper mold and the lower mold are closed to jointly form a mold cavity for molding a plastic product. The runner plate is arranged on the lower mold in a sliding mode, the runner plate and the upper mold jointly form a glue supply runner after the upper mold and the lower mold are assembled, injection molding materials can be guided into the mold cavity through the glue supply runner, and a water gap is formed in the runner plate. The upper mold is in transmission connection with the runner plate through the linkage mechanism, so that the upper mold can drive the runner plate to slide through the linkage mechanism during mold opening, and the runner plate is separated from the mold cavity to cut off the water gap. When the mold is opened, the upper mold drives the runner plate to slide through the linkage mechanism to cut off the water gap, other special jigs or manual cutting is not needed, the water gap is cut off through the acting force of mold opening, the production efficiency of plastic products is improved, meanwhile, the cutting-off positions of the water gap are consistent, the consistency of the plastic products is high, and the percent of pass of the plastic products is higher.

The plastic injection part trimming structure comprises a plurality of pneumatic scissors arranged corresponding to sprues in plastic injection parts, a supporting table used for containing the plastic injection parts is arranged between the pneumatic scissors, and a pushing assembly and a conveying assembly are arranged on the opposite sides of the supporting table respectively. And the pushing assembly is used for pushing the cut injection molding part to the conveying assembly. By means of the gate shearing device, one-step posture shearing can be achieved, a mechanical arm does not need to be used for repeatedly adjusting the posture, in this way, the shearing efficiency can be improved, meanwhile, stroke errors caused by posture adjusting can be reduced, and the shearing quality of each gate is guaranteed.

The invention relates to the technical field of injection molding, in particular to an injection mold which comprises a front mold plate, a front mold core, a rear mold plate, a rear mold core, a rear mold slide seat, a stripper plate, an upper fixing plate, an ejector plate and a sprue needle which are connected with the ejector plate and the rear mold core respectively, and the sprue needle is provided with a sprue demolding part; the upper fixing plate is provided with a main runner, the stripper plate, the front mold plate, the front mold core and the rear mold slide seat are provided with branch runners, the rear mold core is provided with a sprue, the main runner, the branch runners and the sprue are communicated, the sprue is divided into a needle connecting part, a true water gap part and a false water gap part, and the true water gap part and the false water gap part are communicated with each other. And the true nozzle part and the false nozzle part are symmetrically arranged relative to the needle connecting part in a balanced manner. By means of the pouring gate demolding part, the contact area between the pouring gate needle and the material head is reduced, the phenomenon of bouncing off is not prone to occurring, the gravity center of the material head is balanced and the phenomenon of bouncing off is not prone to occurring due to the fact that the real water gap part and the fake water gap part are symmetrically arranged in a balanced mode.

The utility model relates to a pouring gate structure of a non-uniform wall thickness shell part die-casting die. A pouring gate comprises a straight pouring gate, a transverse pouring gate and a branch transverse pouring gate which are communicated in sequence. One end of the sprue is connected with the cross gate through the arc transition part, and the other end of the sprue is connected with the filling inlet; sprues are formed in the branch cross gates; the cross sectional area, perpendicular to the melt flowing direction, in the pouring gate is gradually reduced from the straight pouring gate to the pouring gate; the shape of the joint of the cross gate and the branch cross gate is that the perimeter of the cross section perpendicular to the solution flowing direction is increased along with approaching to the pouring gate; the inner circle radius of the arc transition part is defined as r, and the outer circle radius of the arc transition part is defined as R; the average thickness of the cross gate is defined as H; r = r + H; according to the pouring gate structure disclosed by the utility model, the problems of air trapping, air entrapment and the like of the pouring gate are effectively solved, so that the resistance of the pouring gate is reduced as far as possible and the temperature and filling speed of molten aluminum are increased in the filling process of a casting, and the mechanical property of a product is effectively improved.

The utility model relates to the technical field of injection molds, in particular to an injection mold cooling system which comprises a base, a sliding rod is fixedly connected to the base, a bottom plate is slidably arranged on the sliding rod, a lower mold is arranged on the bottom plate, a hydraulic rod used for pushing the bottom plate to move along the sliding rod is arranged on the base, and a top plate is fixedly connected to the top of the sliding rod. An upper mold is arranged on the top plate, the upper mold and the lower mold are respectively provided with a forming cavity, a sprue bush is mounted on the top plate, the sprue bush is communicated with the forming cavity of the upper mold, a plurality of heat conduction pipes are inserted into the upper mold and the lower mold at intervals, one end of each heat conduction pipe is processed to form a large-head end, and the other end of each heat conduction pipe is processed to form a small-head end. Cooling cavities are formed in the top plate and the bottom plate, the large-head ends are located in the cooling cavities, the top plate and the bottom plate are jointly connected with a circulating assembly, and the effects that the cooling speed of plastic parts in the injection mold is increased, and the injection molding work efficiency is improved are achieved.

The utility model relates to an automatic product taking and water gap separating jig for injection molding, which is connected to a manipulator clamp and comprises a clamp main plate connected to the lower end of the manipulator clamp and provided with an open slot for allowing a water gap of a product to penetrate through; the punching mechanism is arranged at the lower end of the clamp main plate and used for punching a water gap of the product; the positioning mechanism is arranged at the lower end of the clamp main plate, and the positioning mechanism is used for positioning and fixing the punching mechanism; the fixing mechanism is arranged at the upper end of the clamp main plate, and the fixing mechanism is used for clamping and releasing a water gap of a product; and the clamping mechanism is arranged at the lower end of the clamp main plate, is adjacent to the positioning mechanism and is used for clamping and releasing the product. By the adoption of the structure, automatic clamping of products and separation of water gaps are completed, the water gaps are automatically classified and collected, and the production efficiency of the products is improved.

The invention provides a die-casting sprue for forming a deep cylindrical casting and a die-casting method, and relates to the field of die-casting technology.Alloy liquid flows in the axial direction of the cylindrical casting through an annular multi-strand end face binding pouring system to achieve sequential filling of the alloy liquid, and the size of an opening of the strand of sprue of the pouring system is adjusted according to the alloy amount needed by a filling area; in addition, the annular multi-strand end face binding feeding pouring system can give consideration to far-end / local complex shapes by leading a plurality of auxiliary pouring gates on the annular main transverse pouring gate along the butt joint face of the sliding block.

An electromagnetic stirring low-pressure casting pouring system (100) comprises a flask, a sprue (110), a runner (130), a mold cavity (150) and a riser (170) being formed in a core inside the flask, wherein the runner is arranged at a top end of the sprue and is in communication with the sprue, the runner is in communication with the mold cavity, the riser is in communication with the mold cavity, overflow ladles (190) are arranged on two sides of or around the sprue, and top ends of the overflow ladles are in communication with the top of the sprue and are located below the runner, such that molten metal in the sprue overflows to the overflow ladles during pouring, and sequentially flows to the runner, the mold cavity and the riser after the overflow ladles are filled. Also provided is electromagnetic stirring low-pressure casting pouring equipment comprising the pouring system. By means of the present electromagnetic stirring low-pressure casting pouring system, the additionally designed overflow ladles enable the collection of the initial molten metal, which contains a number of impurities, and provide effective filtration of the impurity-laden molten metal, thereby further ensuring the quality and properties of the casting.

The invention relates to the technical field of flow guide shell pouring, in particular to a novel casting pouring process method of a flow guide shell for a deep-well pump, which comprises the following steps: acquiring molten iron liquid level temperature data, pressure data and an infrared image; a first ladle of molten iron is injected from a bottom straight pouring gate according to a first injection parameter, flows into a bottom transverse pouring gate, then enters a bottom inner pouring gate and flows into a flow guide shell cavity for the deep-well pump; evaluating whether the liquid level heat loss of the first ladle of molten iron is qualified, and adjusting a first pouring parameter; when the first ladle of molten iron reaches the preset temperature measuring point, a second ladle of molten iron is injected into a top sprue according to a second injection parameter, and the second ladle of molten iron enters the top sprue and then sequentially flows through a top cross gate and a top ingate to enter a special feeding head; whether a feeding channel of the special feeding head is blocked or not is evaluated, and the second preset pouring rate is adjusted; and whether heat distribution on the surface of the cavity is uniform or not is determined based on the heat dispersion deviation characteristic value, and the second preset pouring temperature is adjusted. The casting stability of the guide shell for the deep-well pump is improved.

The utility model provides a sand mould casting sample gating system, relates to the technical field of casting, the sand mould casting sample gating system comprises a sprue, a steady flow ring groove, a plurality of cross gates and a plurality of cavities, the sprue is connected to the steady flow ring groove, the plurality of cross gates are uniformly arranged around the steady flow ring groove at intervals, and the cavity is connected to the steady flow ring groove. The multiple cavities are connected to the multiple cross gates in a one-to-one correspondence mode, and the sectional dimensions of the multiple cavities are different. Compared with the prior art, a plurality of cavities are independently arranged, samples with various wall thicknesses can be prepared at the same time, different cavities are mutually independent, the cross gates are uniformly arranged, the temperatures of molten metal reaching the flow gates are similar, and the influence of uncontrollable factors on experimental results is eliminated to the greatest extent. And samples under various cooling speed conditions can be obtained through one-time pouring, so that the efficiency is improved, the cost is saved, and meanwhile, the stability of output data and the accuracy and reliability of an experimental analysis conclusion are ensured.

The invention discloses a preparation method of a TiAl alloy casting containing return scraps, the TiAl alloy return scraps used in the preparation method are casting sprues, patches and skull which are cut off in subsequent processing, and the preparation method comprises the following specific implementation steps: carrying out ultrasonic cleaning and surface treatment on the return scraps to remove a surface oxide layer; a new material with the target weight of 50% is used for smelting during primary smelting to obtain a primary ingot, a return material is placed below the turned primary ingot before secondary smelting, and then the primary ingot is smelted and poured into a preheated mold to form a casting, so that recycling of a TiAl alloy raw material is realized, the raw material cost is reduced by 50%, the preparation cost is reduced by 33%, and the production efficiency is improved. And the power consumption and the equipment loss are reduced, so that the purposes of energy conservation and emission reduction are achieved. The impurity element control of the cast ingot produced by the method is equivalent to that of alloy produced by conventional raw materials, and is convenient and fast compared with a preparation process by directly utilizing the raw materials. And the poured casting is uniform in component, compact in structure and high in purity.

The utility model relates to the technical field of sprue bushes, in particular to a die-casting sprue bush which comprises an outer sprue rod and an inner sprue rod, the inner sprue rod is detachably installed in the outer sprue rod, a heat dissipation cavity is formed between the outer sprue rod and the inner sprue rod, and a heat dissipation mechanism is arranged in the heat dissipation cavity. The heat dissipation mechanism comprises a plurality of groups of annular pipes, a conveying pipe is connected between every two groups of annular pipes which are adjacent up and down, connecting pipes are connected to the side walls of the two groups of annular pipes which are located at the uppermost part and the lowermost part, a water inlet pipe and a water outlet pipe are in threaded connection to the two groups of connecting pipes respectively, and the water inlet pipe and the water outlet pipe are both installed on the outer sprue rod. The heat dissipation mechanism is convenient to install through the heat dissipation cavity between the inner sprue rod and the outer sprue rod, heat on the inner sprue rod can be rapidly transferred and cooled through the arrangement of the heat dissipation mechanism, and damage to the sprue cover caused by too high temperature is avoided; and the inner sprue rod and the outer sprue rod are detachably arranged, so that maintenance is convenient, and convenience is provided for use.

The invention relates to the technical field of workpiece residual root grinding, and discloses an abrasive belt grinding and deburring machine for residual roots of a casting head of a turbine shell of a gas compressor, which comprises a grinding and deburring machine main body and a grinding and deburring mechanism fixed at the rear end of the top of the other side of the grinding and deburring machine main body, a first stand column is fixedly installed on one side of the top of the grinding and deburring mechanism, and a second stand column is fixedly installed on the other side of the top of the grinding and deburring mechanism. When the residual root of the casting head of the turbine shell of the gas compressor is ground, if the cross section of the residual root is large and smooth, the bending adjusting plate is rotated to be in a vertical state, the maximum cross section of the first grinding abrasive belt makes contact with the residual root for grinding, and if the residual root is a curved surface or an inclined surface, the bending adjusting plate is rotated to be adjusted to a proper angle, so that the residual root is ground. And then, after a locking bolt penetrates through an arc through groove to lock the bending adjusting plate, the first grinding abrasive belt is located at a proper angle to grind the residual root of the casting head of the turbine shell of the gas compressor.

An injection molding mold configured to be installed in an injection molding device for automatically molding plastic workpieces, the injection molding mold comprising at least one main runner (9) extending between a gate runner and a runner bifurcation point, the main runner being divided into two or more branch runners leading to a mold cavity at the runner bifurcation point, and the at least one main runner (9) downstream of the gate runner comprising two runners (12), the two runners being joined to each other at a runner confluence point downstream of the gate runner, and wherein the two runners (12) extending to the runner confluence point are straight and extend parallel to each other, and are completely or partially separated by a straight partition wall (13).

The invention discloses an aluminum die casting sprue separation device, and particularly relates to the technical field of sprue separation, the aluminum die casting sprue separation device comprises a band sawing machine provided with a main saw blade, and further comprises a guide plate frame fixedly installed on the band sawing machine and a fixed frame plate set sliding on the guide plate frame, the fixed frame plate set comprises a base plate, a fixed plate, a movable plate and a movable plate, and the base plate slides on the top of the guide plate frame in the direction of the guide plate frame; the movable plate is hinged to the top of the base plate and is perpendicular to the base plate. According to the aluminum die casting sprue separating device, after the main casting is clamped and fixed through the two clamping plates, the movable plate moves so that the connecting position of the main sprue and the main casting can be close to the main saw blade to be cut, the movable plate is driven to turn over, the base plate is moved again so that the connecting rod on the movable plate can be close to the main saw blade, and the main saw blade is used again for cutting the connecting rod; therefore, the main casting and the auxiliary casting are separated, and the aluminum die casting can be conveniently cut through overturning of the movable plate and clamping of the clamping plates under the condition that the tool is not detached and replaced.

The invention discloses welding equipment for an acid-resistant pump shell wax mold and a pouring gate wax rod, and relates to the technical field of welding, the welding equipment comprises a pouring gate wax rod conveying device and a wax mold conveying device, a plurality of lifting type fixing structures are arranged on the pouring gate wax rod conveying device at equal intervals, and a plurality of stabilizing structures are arranged on the wax mold conveying device at equal intervals; the pouring gate wax rod and wax mold melting device has the advantages that the pouring gate wax rod and wax mold melting device is controlled by the lifting device to move up and down so as to be in contact with the pouring gate wax rod and the wax mold respectively, and the temperature of the pouring gate wax rod and the temperature of the wax mold melting area are maintained by the aid of the heat preservation structure; and then the lifting type fixing structure drives the pouring gate wax rod to move to be in contact with the wax mold to complete welding, the problem of waste caused by the fact that the hot knife melts more materials on the surfaces of the pouring gate wax rod and the wax mold is solved, the situation that temperature is transmitted into the wax mold to affect the quality of the wax mold is avoided, and therefore the problem that the production quality of the acid-resistant pump is affected is solved.

The utility model discloses a residual glue removing tool of an injection molding part and production equipment of the injection molding part, relates to the technical field of ultrasonic vibration sprue runner removing, solves the problems that a product is prone to damage and a large amount of labor cost is consumed, and comprises an ultrasonic vibration device and a mechanical gripper. A base for placing an injection molding part is arranged in the ultrasonic vibration device; the base comprises a bearing plate, and a formed product groove matched with a formed product and a runner groove matched with residual glue are formed in the bearing plate; the mechanical gripper comprises a plurality of vacuum suction nozzles, and the vacuum suction nozzles correspond to the formed products one to one and are used for sucking and releasing the formed products. Damage of a product in the ultrasonic vibration pouring gate removing process can be reduced, and a large amount of labor cost is saved.

The utility model discloses an anti-sticking quick demoulding mechanism of an injection mould, and relates to the technical field of safety helmet production, the anti-sticking quick demoulding mechanism comprises a static mould base and a quick demoulding assembly, the quick demoulding assembly is arranged in the static mould base, and the quick demoulding assembly comprises an air cavity, a high-pressure air pump, an ejector pin bottom plate, an ejector rod, a demoulding ejector pin, an air blocking pipe and a spring. When the anti-sticking quick demolding mechanism for the injection mold is used, a positioning ring at the top of a movable mold base is used for being connected with an extrusion mold head, molten plastic enters a branch runner through a sprue and finally enters a corresponding double-station injection molding cavity, and the double-station injection molding cavity corresponds to forming male molds on the two sides of a static mold base; batch injection molding production of multiple safety helmets can be achieved at the same time, the operation efficiency is improved, in addition, the guide sleeve at one end of the movable mold base is in positioning fit with the guide column at one end of the static mold base, the mold closing stroke of the movable mold base and the static mold base is limited and guided, and product forming failure caused by mold cavity dislocation is prevented.

The invention relates to a valve casting pouring gate water jet cutting method based on machine vision. A valve casting pouring gate water jet cutting device based on machine vision comprises a mechanical arm automatic feeding device, a multi-angle pouring gate cutting displacement clamp, a cutting part recognition device and a three-axis water jet cutting machine tool. A valve casting is fixed on a special tray and is fixed in a standardized posture, namely, a first round pipe body is erected in a V-shaped erecting groove of the tray, a first runner section is erected on a second supporting plate, and the upper end flange face of a second connecting flange is horizontal, so that the valve casting is kept stable on the tray; and the 3D camera is more accurate in shooting and posture recognition. The machine vision automatically recognizes a to-be-cut part, an accurate cutting path is intelligently generated to be matched with water cutting equipment, the cutting precision and efficiency are remarkably improved, automation of the whole process from machine vision recognition automatic feeding, machine recognition multi-angle automatic overturning and cutting after clamping to quality inspection and discharging is achieved, and the production efficiency is remarkably improved.