Inductance magnetic blank composite die-casting forming equipment

Abstract

The invention discloses inductance magnetic blank composite die-casting forming equipment, and relates to the technical field of powder forming, the inductance magnetic blank composite die-casting forming equipment comprises a mounting table, a control cabinet, a filling unit, a positioning unit and a demolding unit, the mounting table is used for mounting and fixing the control cabinet and the filling unit, the control cabinet is used for controlling the device to start and stop, and the filling unit is used for filling materials; the positioning unit is used for calibrating the position of the lower die so that the upper die can accurately stretch into the lower die for die casting, the demolding unit is used for demolding a finished product to avoid damage to the finished product, and after the lower die is filled with materials through the filling unit and the positioning unit is started by the control cabinet to calibrate the position of the lower die, the materials are subjected to die-casting forming; and a finished product is taken out through the demolding unit, so that the quality problem caused by friction extrusion between the mold and the lower mold in the ejection process is avoided, and the product quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of powder molding, in particular to an inductor magnetic embryo composite die-casting molding device. Background Art

[0002] In the field of composite die-casting technology for inductor magnetic blanks, with the development of miniaturization and high performance of electronic products, the quality and precision requirements for inductor magnetic blanks are becoming increasingly stringent. However, the existing technology in this field faces many challenges, which seriously affect the quality and production efficiency of the products and need to be solved urgently.

[0003] During the die-casting process of inductor magnetic embryos, the upper mold is often required to be pulled and drawn multiple times. For example, when die-casting some inductor magnetic embryos with complex internal structures or multiple pins, in order to achieve step-by-step molding or demolding assistance for specific parts, the upper mold needs to be opened, closed, pulled and drawn multiple times during the die-casting cycle. However, due to the relatively simple mold positioning structure of traditional die-casting equipment, lateral forces will inevitably be generated between the upper mold and the lower mold during multiple pulling and drawing processes. This lateral force will gradually shift the lower mold and deviate from its initial precise installation position. After the mold is offset, the dimensional deviation of the pin forming part may cause subsequent welding difficulties or reduce the connection reliability, increasing the risk of electrical performance failure of the product. At the same time, when designing traditional inductor magnetic embryo die-casting molding processes and equipment, they often focus on the molding of the main part of the magnetic embryo, and the molding of the key part of the pin is not considered carefully and no precise structural guidance is performed.

[0004] Demolding is a key step after the die-casting of the inductor magnetic embryo, but the traditional demolding method often relies on a simple strong ejection mechanism. During demolding, the ejector rod directly acts on the magnetic embryo, exerting a large ejection force to make it separate from the mold cavity. However, this method does not remove the adsorption force between the formed magnetic embryo and the mold, which directly increases the friction between the magnetic embryo and the mold, causing damage and deformation during the demolding process, affecting product quality. Summary of the invention

[0005] The object of the present invention is to provide an inductor-magnetic embryo composite die-casting molding device to solve the problems raised in the prior art.

[0006] To achieve the above object, the present invention provides the following technical solutions: The inductive magnetic embryo composite die-casting molding equipment comprises a mounting table, a control cabinet, a filling unit, a positioning unit and a demoulding unit. The mounting table is placed on a horizontal foundation, the control cabinet is fixedly mounted on the surface of one end of the mounting table away from the horizontal foundation, the filling unit is fixedly mounted on the control cabinet, the filling unit is slidably connected to the positioning unit, the positioning unit is fixedly mounted on the surface of one end of the mounting table away from the horizontal foundation, the positioning unit has the function of positioning and calibrating the demoulding unit, and the demoulding unit is slidably connected to the positioning unit.

[0007] The mounting table is used to install and fix the control cabinet and the filling unit. The control cabinet is used to control the start and stop of the device. The filling unit is used to fill the material. The positioning unit is used to calibrate the position of the lower die, so that the upper die can be accurately extended into the lower die for die-casting. The demoulding unit is used to eject the finished product to avoid damaging the finished product. After the filling unit fills the material into the lower die, the control cabinet starts the positioning unit to calibrate the position of the lower die, and then the material is die-cast. After the die-casting is completed, the finished product is taken out through the demoulding unit to avoid friction and extrusion between the mold and the lower die during the ejection process, which may cause quality problems, thereby improving product quality.

[0008] Furthermore, the filling unit includes a filling cylinder, a filling tube, a storage box, a telescopic motor and a straight rod. The fixed end of the telescopic motor is fixedly installed on the control cabinet, the telescopic end of the telescopic motor is fixedly connected to one end of the straight rod, and the other end of the straight rod is fixedly connected to the filling cylinder. One end of the filling tube is conductively connected to the filling cylinder, and the other end is conductively connected to the storage box. A plurality of through holes are provided at one end of the storage box close to the horizontal base, and the storage box is slidably connected to the positioning unit.

[0009] The staff puts materials into the filling cylinder, and the materials enter the storage box through the filling tube. When the materials need to be put in, the staff controls the telescopic motor to extend, driving the filling cylinder, the filling tube and the storage box to move to the right synchronously to the top of the lower mold. After that, the materials in the storage box flow into the first chamber in the lower mold, thereby performing the die-casting molding action.

[0010] Furthermore, the positioning unit includes a driving motor, an upper hydraulic cylinder, a mounting cover plate, a sliding rod, a slide, a conveying plate, a support plate and a lower hydraulic cylinder. The fixed end of the upper hydraulic cylinder is fixedly mounted on the mounting platform, one end of the mounting cover plate is fixedly connected to the telescopic end of the upper hydraulic cylinder, and the other end is fixedly connected to the fixed end of the driving motor, the movable end of the driving motor is fixedly connected to the slide, the sliding rod is fixedly mounted on the surface of the conveying plate away from the horizontal foundation, the sliding rod is slidably connected to the slide, the conveying plate is fixedly mounted on the surface of the support plate away from the horizontal foundation, the support plate is fixedly mounted on the telescopic end of the lower hydraulic cylinder, the lower hydraulic cylinder is fixedly mounted on the mounting platform, the storage box is slidably mounted on the upper surface of the conveying plate, a circular groove is provided at the end of the conveying plate away from the horizontal foundation, and the conveying plate is slidably connected to the demoulding unit.

[0011] Furthermore, the positioning unit also includes an upper mold, a vertical plate, a memory spring, a telescopic rod, a driving coil, a petal cylinder and a push block. A plurality of extrusion blocks are arranged on the upper mold. The upper mold is fixedly mounted on the surface of one end of the slide close to the horizontal base. In the vertical direction, a bar magnet is built into the upper mold close to the horizontal base. The vertical plate is fixedly mounted on the surface of one end of the slide close to the horizontal base. One end of the memory spring is fixedly connected to the vertical plate, and the other end is fixedly connected to the fixed end of the telescopic rod. The fixed end of the long rod is slidably connected to the slide. The telescopic end of the telescopic rod is fixedly connected to the petal cylinder. The driving coil is fixedly mounted on the outer surface of the petal cylinder. The driving coil is electrically connected to the memory spring. The petal cylinder is slidably connected to the upper mold through a connecting rod. There are two push blocks, which are symmetrically mounted on the surface of one end of the upper mold close to the horizontal base with the center axis of the upper mold. The driving coil is electrically connected to the demoulding unit.

[0012] After the material in the storage box enters the first chamber in the lower mold, when die-casting is required, the lower hydraulic cylinder is controlled to drive the support plate and the conveying plate to move upward to the specified position synchronously, and then the drive motor is controlled to start, thereby driving the installation cover plate and the slide to move downward on the slide rod, compressing the upper hydraulic cylinder. During the continuous downward movement of the upper mold, the petal cylinder first contacts the conveying plate. Under the extrusion force of the conveying plate, the petal cylinder is compressed by the telescopic rod and moves a distance in the direction of the slide. At this time, the upper mold and the petal cylinder produce relative motion, and the bar magnet in the upper mold moves in the driving coil, thereby changing the magnetic flux and generating a positive current in the driving coil. At this time, the current is transmitted to the memory spring, and the memory spring receives After the current is applied, it expands and stretches, thereby pushing the telescopic rod to drive the petal cylinders closer to each other, thereby repositioning and calibrating the limiting cylinder below, thereby avoiding the offset between the upper die and the lower die during multiple pulling and pulling processes, reducing the deformation of the finished product caused by die-casting when the finished product is offset, and improving the yield of the finished product. At this time, the push block passes through the limiting cylinder and enters the interior of the limiting cylinder to prepare for die-casting. After a die-casting process is completed, the driving motor drives the upper die to rise. During the process, the petal cylinder pulls the telescopic rod to extend under the action of its own gravity. At this time, the driving coils of the upper die and the petal cylinder produce relative displacement again. At this time, the reverse current generated in the driving coil is transmitted to the electric ejector to control the electric ejector to start extending and assist in demolding.

[0013] Furthermore, the demoulding unit includes a lower mold, a limiting cylinder, an arc-shaped push plate, a reset spring, a movable plate, a buffer spring, a bending rod, an electric push rod, a holding box, a pressure plate, a first chamber, a second chamber, a pull rod and an inductive coil. The lower mold is fixedly connected to the limiting cylinder. In the vertical direction, the lower mold has multiple groups of first chambers, and the first chambers are used for forming materials. In the horizontal direction, the lower mold has multiple groups of second chambers, and the second chambers are used for moving the arc-shaped push plate. The limiting cylinder consists of an inner cylinder and an outer cylinder. The limiting cylinder is slidably installed in a circular groove opened on the conveying plate. One end of the arc-shaped push plate is fixedly connected to the inner wall of the limiting cylinder by a reset spring, and the other end is slidably installed in the second chamber. The movable plate It is connected to the inner surface of one end of the limiting cylinder close to the horizontal foundation through a buffer spring, both ends of the bending rod are fixedly connected to the movable plate, the middle part of the bending rod is fixedly connected to the pull rod, the fixed end of the electric push rod is fixedly connected to the inner surface of one end of the limiting cylinder close to the horizontal foundation, the telescopic end of the electric push rod is slidably installed in the first chamber, the containing box is fixedly installed in the lower mold, the containing box contains magnetorheological fluid, the containing box is conductively connected to the first chamber through a pipeline, the pressing plate is slidably installed inside the containing box, the pressing plate is fixedly connected to the pull rod at one end close to the horizontal foundation, the pull rod is slidably connected to the containing box, the inductance coil is fixedly installed on the outer surface of the inner cylinder of the limiting cylinder, and the electric push rod is electrically connected to the driving coil.

[0014] When the push block gradually moves downward in the limiting cylinder, the side of the push block gradually squeezes the arc push plate and stretches the reset spring, so that the arc push plate gradually enters the first chamber from the second chamber. The bottom of the push block contacts the moving plate and compresses the buffer spring. The control cabinet controls the one-way valve above to open. At this time, the pull rod is pulled downward under the transmission action of the bending rod, thereby driving the pressure plate in the storage box to move downward and squeeze the magnetorheological fluid in the storage box from the one-way valve above into the space between the first chamber and the anti-magnetic soft film, so as to perform die casting. When demolding is required, when the moving plate moves to the extreme position, the control cabinet passes current into the inductor to generate a magnetic field, so that the magnetorheological fluid between the first chamber and the anti-magnetic soft film changes from liquid to solid, and the finished product is squeezed. The adsorption force formed between the finished product and the inner wall of the first chamber during the compression process is released, and a demolding step is completed. At this time, the reverse current generated in the driving coil is transmitted to the electric ejector, and the electric ejector ejects the finished product out of the lower mold to complete the secondary demolding step, avoiding damage to the finished product caused by the demolding process, which leads to a decrease in the yield rate. The control cabinet stops supplying current to the inductor coil. At this time, the magnetorheological fluid between the first chamber and the anti-magnetic soft film changes from solid to liquid again. During the resetting process of the electric ejector, the liquid magnetorheological fluid is squeezed between the anti-magnetic soft film and the inner wall of the first chamber, and flows back to the storage box through the bottom to prepare for the next die-casting.

[0015] Furthermore, a layer of anti-magnetic soft film is provided on the inner surface of the first chamber.

[0016] In order to allow the magnetorheological fluid in the containing box to enter the first chamber, after the die-casting is completed, a magnetic field is generated by passing current through the inductor coil, so that the magnetorheological fluid between the first chamber and the anti-magnetic soft film changes from liquid to solid, and then the molded product is pushed to release the adsorption force between the finished product and the first chamber during the molding process, so as to avoid strong friction between the finished product and the first chamber when the finished product is directly ejected by the electric ejector, resulting in quality problems such as deformation of the finished product or damage to the appearance.

[0017] Furthermore, the containing box is connected to the first chamber via two upper and lower one-way valves.

[0018] In order to transport the magnetorheological fluid inside the containing box to between the first chamber and the anti-magnetic soft film during the pressing process of the pressing plate, the magnetorheological fluid in the first chamber is re-absorbed back into the containing box during the moving up process of the pressing plate, thereby not affecting the volume of the material being put in and avoiding the appearance of substandard finished products.

[0019] Furthermore, a rectangular through groove is provided on the limiting cylinder, and the push block and the rectangular through groove of the limiting cylinder are on the same vertical axis.

[0020] In order to make the push block pass through the limiting cylinder smoothly after the calibrated position, and prevent it from passing through the limiting cylinder when it is not calibrated, it is avoided that the die-casting is performed when the lower mold position is not calibrated, thereby causing deformation of the finished product and improving the yield of the finished product.

[0021] Furthermore, the push block is a right-angled trapezoidal structure, the end of the push block close to the horizontal base is a short side, and the end of the push block close to the central axis of the upper mold is the hypotenuse of the right-angled trapezoid.

[0022] In order to gradually push the arc-shaped push plate to move inside the second chamber during the downward movement of the block, the finished product in the first chamber is extruded at the key position of the pin during the die-casting process.

[0023] Furthermore, a start / stop button is provided on the control cabinet.

[0024] When the die-casting task is completed or an emergency situation such as abnormal vibration of the equipment, odor, etc. is encountered, the stop button can be quickly pressed to stop the equipment, which greatly improves the convenience of operation.

[0025] Compared with the prior art, the present invention has the following beneficial effects: 1. In the process of the upper mold continuously moving downward, the petal cylinder moves under the extrusion force of the conveying plate, thereby generating relative motion with the upper mold, changing the magnetic flux, generating a positive current in the drive coil and transmitting it to the memory spring, causing it to expand and elongate to push the telescopic rod to drive the petal cylinder closer to each other, thereby limiting the cylinder to be repositioned and calibrated, thereby avoiding the occurrence of offset between the upper mold and the lower mold during multiple pulling and pulling processes, reducing the deformation of the finished product caused by die casting when the finished product is offset, and improving the yield of the finished product. After completing a die-casting process, during the rising process of the upper mold, the petal cylinder pulls the telescopic rod to extend under the action of its own gravity. At this time, the upper mold and the drive coil of the petal cylinder generate relative displacement again. At this time, the reverse current generated in the drive coil is transmitted to the electric ejector rod, which controls the electric ejector rod to start extending and assist in demolding.

[0026] 2. The present invention realizes that when the push block pushes the arc-shaped push plate to move and extrude the material into a shape, the control cabinet controls the one-way valve above to open, and the push block moves downward to drive the pull rod to move downward, so that the pressure plate moves downward and squeezes the magnetorheological fluid in the containing box to flow from the one-way valve above into the space between the first chamber and the anti-magnetic soft film, thereby performing die-casting. The control cabinet passes current into the inductor coil to generate a magnetic field, so that the magnetorheological fluid between the first chamber and the anti-magnetic soft film changes from liquid to solid, extrude the formed finished product, release the adsorption force formed between the finished product and the inner wall of the first chamber during the compression process, and complete a demolding step. At this time, the reverse current generated in the driving coil is transmitted to the electric ejector rod, and the electric ejector rod ejects the finished product out of the lower mold. At this time, the secondary demolding step is completed, avoiding damage to the finished product caused by the demolding process, resulting in a reduction in the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a front view structural schematic diagram of an inductor magnetic embryo composite die-casting molding device of the present invention; Figure 2 This is a schematic diagram of the overall appearance structure of an inductor magnetic embryo composite die-casting molding device of the present invention; Figure 3 The invention provides an inductor magnetic embryo composite die-casting molding device Figure 2 Another perspective structural diagram; Figure 4 It is a schematic diagram of the installation position structure of the telescopic rod, the petal cylinder and the slide table of an inductive magnetic embryo composite die-casting molding device of the present invention; Figure 5 It is a schematic diagram of the installation position structure of a push block, a driving coil, a vertical plate, a memory spring and a telescopic rod of an inductive magnetic embryo composite die-casting molding device of the present invention; Figure 6 It is a schematic diagram of the appearance structure of a demoulding unit of an inductor magnetic embryo composite die-casting molding device of the present invention; Figure 7It is a schematic diagram of the internal structure of a limiting cylinder of an inductor and magnetic embryo composite die-casting molding device of the present invention from bottom to top; Figure 8 It is a schematic diagram of the internal structure of a limiting cylinder of an inductor and magnetic embryo composite die-casting molding device of the present invention from top to bottom; Fig. 9 It is a schematic diagram of the internal structure of the side direction of the limiting cylinder of an inductor magnetic embryo composite die-casting molding device of the present invention; Fig.10 It is a schematic diagram of the top view structure of a demoulding unit of an inductor magnetic embryo composite die-casting molding device of the present invention; Fig.11 The invention provides an inductor magnetic embryo composite die-casting molding device Fig.10 Schematic diagram of the structure of the local cross-section at AA in the middle.

[0028] In the figure: 1, mounting table; 2, control cabinet; 3, filling unit; 31, filling cylinder; 32, filling tube; 33, storage box; 34, telescopic motor; 35, straight rod; 4, positioning unit; 41, driving motor; 42, upper hydraulic cylinder; 43, mounting cover plate; 44, sliding rod; 45, sliding table; 46, conveying plate; 47, supporting plate; 48, lower hydraulic cylinder; 49, upper mold; 410, vertical plate; 411, memory spring; 412, telescopic rod; 413, driving coil; 414, petal cylinder; 415, push block; 5, demoulding unit; 51, lower mold; 52, limiting cylinder; 53, arc-shaped push plate; 54, reset spring; 55, moving plate; 56, buffer spring; 57, bending rod; 58, electric push rod; 59, containing box; 510, pressing plate; 511, first chamber; 512, second chamber; 513, pull rod; 514, inductor coil. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example: Figure 1-Figure 11 As shown, the present invention provides a technical solution: like Figure 1 , 2As shown, an inductor magnetic embryo composite die-casting molding equipment includes a mounting table 1, a control cabinet 2, a filling unit 3, a positioning unit 4 and a demoulding unit 5. The mounting table 1 is placed on a horizontal foundation, the control cabinet 2 is fixedly installed on the surface of one end of the mounting table 1 away from the horizontal foundation, the filling unit 3 is fixedly installed on the control cabinet 2, the filling unit 3 is slidably connected to the positioning unit 4, the positioning unit 4 is fixedly installed on the surface of one end of the mounting table 1 away from the horizontal foundation, the positioning unit 4 has the function of positioning and calibrating the demoulding unit 5, and the demoulding unit 5 is slidably connected to the positioning unit 4.

[0031] The mounting table 1 is used to install and fix the control cabinet 2 and the filling unit 3. The control cabinet 2 is used to control the start and stop of the device. The filling unit 3 is used to fill the material. The positioning unit 4 is used to calibrate the position of the lower mold 51, so that the upper mold 49 can accurately extend into the lower mold 51 for die-casting. The demoulding unit 5 is used to remove the finished product to avoid damaging the finished product. After the filling unit 3 fills the material into the lower mold 51, the control cabinet 2 starts the positioning unit 4 to calibrate the position of the lower mold 51, and then the material is die-cast. After the die-casting is completed, the finished product is taken out through the demoulding unit 5 to avoid friction and extrusion between the mold and the lower mold 51 during the ejection process, which may cause quality problems, thereby improving product quality.

[0032] like Figure 3 As shown, the filling unit 3 includes a filling cylinder 31, a filling tube 32, a storage box 33, a telescopic motor 34 and a straight rod 35. The fixed end of the telescopic motor 34 is fixedly installed on the control cabinet 2, the telescopic end of the telescopic motor 34 is fixedly connected to one end of the straight rod 35, and the other end of the straight rod 35 is fixedly connected to the filling cylinder 31. One end of the filling tube 32 is conductively connected to the filling cylinder 31, and the other end is conductively connected to the storage box 33. A plurality of through holes are opened at one end of the storage box 33 close to the horizontal base, and the storage box 33 is slidably connected to the positioning unit 4.

[0033] The staff puts materials into the filling cylinder 31, and the materials enter the storage box 33 through the filling tube 32. When the materials need to be put in, the staff controls the telescopic motor 34 to extend, driving the filling cylinder 31, the filling tube 32 and the storage box 33 to move to the right synchronously to the top of the lower mold 51. The material in the storage box 33 flows into the first chamber 511 in the lower mold 51, thereby performing the die-casting molding action.

[0034] like Figure 3As shown, the positioning unit 4 includes a driving motor 41, an upper hydraulic cylinder 42, a mounting cover plate 43, a sliding rod 44, a slide 45, a conveying plate 46, a support plate 47 and a lower hydraulic cylinder 48. The fixed end of the upper hydraulic cylinder 42 is fixedly mounted on the mounting platform 1, one end of the mounting cover plate 43 is fixedly connected to the telescopic end of the upper hydraulic cylinder 42, and the other end is fixedly connected to the fixed end of the driving motor 41, the movable end of the driving motor 41 is fixedly connected to the slide 45, the sliding rod 44 is fixedly mounted on the surface of the conveying plate 46 away from the horizontal foundation, the sliding rod 44 is slidably connected to the slide 45, the conveying plate 46 is fixedly mounted on the surface of the support plate 47 away from the horizontal foundation, the support plate 47 is fixedly mounted on the telescopic end of the lower hydraulic cylinder 48, the lower hydraulic cylinder 48 is fixedly mounted on the mounting platform 1, the storage box 33 is slidably mounted on the upper surface of the conveying plate 46, the end of the conveying plate 46 away from the horizontal foundation is provided with a circular groove, and the conveying plate 46 is slidably connected to the demoulding unit 5.

[0035] like Figure 4 , 5 As shown, the positioning unit 4 also includes an upper mold 49, a vertical plate 410, a memory spring 411, a telescopic rod 412, a driving coil 413, a petal cylinder 414 and a push block 415. A plurality of extrusion blocks are arranged on the upper mold 49. The upper mold 49 is fixedly mounted on the surface of one end of the slide 45 close to the horizontal base. In the vertical direction, a bar magnet is built into the end of the upper mold 49 close to the horizontal base. The vertical plate 410 is fixedly mounted on the surface of one end of the slide 45 close to the horizontal base. One end of the memory spring 411 is fixedly connected to the vertical plate 410, and the other end is connected to the telescopic rod 412. The fixed end of the retractable rod 412 is fixedly connected, the fixed end of the telescopic rod 410 is slidably connected to the slide 45, the telescopic end of the telescopic rod 412 is fixedly connected to the petal cylinder 414, the driving coil 413 is fixedly installed on the outer surface of the petal cylinder 414, the driving coil 413 is electrically connected to the memory spring 411, the petal cylinder 414 is slidably connected to the upper mold 49 through a connecting rod, there are two push blocks 415, which are symmetrically installed on the surface of one end of the upper mold 49 close to the horizontal base with the center axis of the upper mold 49, and the driving coil 413 is electrically connected to the demolding unit 4.

[0036] After the material in the storage box 33 enters the first chamber 511 in the lower mold 51, when die-casting is required, the lower hydraulic cylinder 48 is controlled to drive the support plate 47 and the conveying plate 46 to move upward to the specified position synchronously, and then the drive motor 41 is controlled to start, thereby driving the installation cover plate 43 and the slide 45 to move downward on the slide rod 44, compressing the upper hydraulic cylinder 42, and during the continuous downward movement of the upper mold 49, the petal cylinder 414 first contacts the conveying plate 46. Under the extrusion pressure of the conveying plate 46, the petal cylinder 414 is forced to compress the telescopic rod 412 and move a distance in the direction of the slide 45. At this time, the upper mold 49 and the petal cylinder 414 produce relative motion, and the bar magnet in the upper mold 49 moves in the drive coil 413, thereby changing the magnetic flux and generating a positive current in the drive coil 413. At this time, the current is transmitted to the memory spring 411, and the memory After receiving the current, the spring 411 expands and stretches, thereby pushing the telescopic rod 412 to drive the petal cylinder 414 to move closer to each other, thereby repositioning and calibrating the limiting cylinder 52 below, thereby avoiding the offset between the upper mold 49 and the lower mold 51 during multiple pulling and pulling processes, reducing the deformation of the finished product caused by die-casting when the finished product is offset, and improving the yield of the finished product. At this time, the push block 415 enters the interior of the limiting cylinder 52 through the limiting cylinder 52 to prepare for die-casting. After a die-casting process is completed, the driving motor 41 drives the upper mold 49 to rise. During the process, the petal cylinder 414 pulls the telescopic rod 412 to extend under the action of its own gravity. At this time, the upper mold 49 and the driving coil 413 of the petal cylinder 414 produce relative displacement again. At this time, the reverse current generated in the driving coil 413 is transmitted to the electric push rod 58, which controls the electric push rod 58 to start extending and assist in demolding.

[0037] like Figure 6 , 7As shown in Figures 8, 9, 10 and 11, the demoulding unit 5 includes a lower mold 51, a limiting cylinder 52, an arc-shaped push plate 53, a reset spring 54, a moving plate 55, a buffer spring 56, a bending rod 57, an electric ejector 58, a containing box 59, a pressing plate 510, a first chamber 511, a second chamber 512, a pull rod 513 and an inductor 514. The lower mold 51 is fixedly connected to the limiting cylinder 52. In the vertical direction, the upper and lower molds 51 are provided with multiple groups of first chambers 511, and the first chamber 511 is used for forming the material. In the horizontal direction, the upper and lower molds 51 are provided with multiple groups of second chambers 512, and the second chamber 512 is used for the movement of the arc-shaped push plate 53. The limiting cylinder 52 is composed of an inner cylinder and an outer cylinder. The limiting cylinder 52 is slidably installed in a circular groove provided in the conveying plate 46. One end of the arc-shaped push plate 53 is fixedly connected to the inner wall of the limiting cylinder 52 through the reset spring 54, and the other end is slidably installed in the first chamber 511. In the second chamber 512, the movable plate 55 is connected to the inner surface of the limiting cylinder 52 at one end close to the horizontal foundation through the buffer spring 56, both ends of the bent rod 57 are fixedly connected to the movable plate 55, the middle part of the bent rod 57 is fixedly connected to the pull rod 513, the fixed end of the electric push rod 58 is fixedly connected to the inner surface of the limiting cylinder 52 at one end close to the horizontal foundation, the telescopic end of the electric push rod 58 is slidably installed in the first chamber 511, the containing box 59 is fixedly installed in the lower mold 51, the containing box 59 contains magnetorheological fluid, the containing box 59 is conductively connected to the first chamber 511 through a pipeline, the pressing plate 510 is slidably installed inside the containing box 59, the pressing plate 510 is fixedly connected to the pull rod 513 at one end close to the horizontal foundation, the pull rod 513 is slidably connected to the containing box 59, the inductance coil 514 is fixedly installed on the outer surface of the inner cylinder of the limiting cylinder 52, and the electric push rod 58 is electrically connected to the driving coil 413.

[0038] When the push block 415 gradually moves downward in the limiting cylinder 52, the arc push plate 53 is gradually squeezed by the side of the push block 415 while the reset spring 54 is stretched, so that the arc push plate 53 gradually enters the first chamber 511 from the second chamber 512. The bottom of the push block 415 contacts the movable plate 55 and compresses the buffer spring 56. The control cabinet 2 controls the one-way valve above to open. At this time, the pull rod 513 is pulled downward under the transmission action of the bent rod 57, thereby driving the pressure plate 510 in the containing box 59 to move downward and squeeze the magnetorheological fluid in the containing box 59 from the one-way valve above into the space between the first chamber 511 and the anti-magnetic soft film, thereby performing die-casting. When demolding is required, when the movable plate 55 moves to the extreme position, the control cabinet 2 passes current into the inductor 514, thereby generating a magnetic field, so that the magnetorheological fluid between the first chamber 511 and the anti-magnetic soft film changes from liquid to solid, and the finished product is squeezed. The adsorption force between the finished product and the inner wall of the first chamber 511 during the compression process is released, and a demoulding step is completed. At this time, the reverse current generated in the driving coil 413 is transmitted to the electric ejector 58, and the electric ejector 58 ejects the finished product from the lower mold 51. At this time, the secondary demoulding step is completed, avoiding the finished product damage caused by the demoulding process, resulting in a decrease in the yield rate. The control cabinet 2 stops supplying current to the inductor 514. At this time, the magnetorheological fluid between the first chamber 511 and the anti-magnetic soft film is converted from solid to liquid again. During the resetting process of the electric ejector 58, the liquid magnetorheological fluid in the inner wall of the first chamber 511 is squeezed through the anti-magnetic soft film and flows back to the storage box 59 through the bottom to prepare for the next die casting.

[0039] like Figure 6 As shown, a layer of anti-magnetic soft film is provided on the inner surface of the first chamber 511 .

[0040] In order to allow the magnetorheological fluid in the containing box 59 to enter the first chamber 511, after the die-casting is completed, a magnetic field is generated by passing current through the inductor 514, so that the magnetorheological fluid between the first chamber 511 and the anti-magnetic soft film changes from liquid to solid, and then the molded product is pushed to release the adsorption force between the finished product and the first chamber 511 during the molding process, so as to avoid strong friction between the first chamber 511 and the finished product when the electric ejector 58 is used to eject the finished product directly, resulting in quality problems such as deformation of the finished product or damage to the appearance.

[0041] like Fig.11 As shown, the containing box 59 is connected to the first chamber 511 through two upper and lower one-way valves.

[0042] In order to transport the magnetorheological fluid in the containing box 59 to between the first chamber 511 and the anti-magnetic soft film when the pressing plate 510 is pressed down, the magnetorheological fluid in the first chamber 511 is re-absorbed back into the containing box 59 when the pressing plate 510 is moved up, thereby not affecting the volume of the material being put in and avoiding the appearance of substandard finished products.

[0043] like Figure 5 , 6 As shown, a rectangular through slot is provided on the limiting cylinder 52 , and the push block 415 and the rectangular through slot of the limiting cylinder 52 are on the same vertical axis.

[0044] In order to make the push block 415 pass through the limiting cylinder 52 smoothly after the calibrated position, and at the same time be unable to pass through the limiting cylinder 52 when it is not calibrated, it is avoided that the die-casting is performed when the position of the lower mold 51 is not calibrated, thereby causing deformation of the finished product, thereby improving the yield rate of the finished product.

[0045] like Figure 5 As shown, the push block 415 is a right-angled trapezoidal structure, the end of the push block 415 close to the horizontal base is the short side, and the end of the push block 415 close to the central axis of the upper mold 49 is the hypotenuse of the right-angled trapezoid.

[0046] In order to gradually push the arc-shaped push plate 53 to move inside the second chamber 512 during the downward movement of the block, the pins, which are the key parts of the finished product in the first chamber 511, are extruded during the die-casting process.

[0047] like Figure 1 As shown, a start / stop button is provided on the control cabinet 2.

[0048] When the die-casting task is completed or an emergency situation such as abnormal vibration of the equipment, odor, etc. is encountered, the stop button can be quickly pressed to stop the equipment, which greatly improves the convenience of operation.

[0049] Working principle of the present invention: The staff puts materials into the filling cylinder 31, and the materials enter the storage box 33 through the filling tube 32. When the materials need to be put in, the staff controls the telescopic motor 34 to extend, driving the filling cylinder 31, the filling tube 32 and the storage box 33 to move to the right synchronously to the top of the lower mold 51. The material in the storage box 33 flows into the first chamber 511 in the lower mold 51, thereby performing the die-casting molding action.

[0050] After the material in the storage box 33 enters the first chamber 511 in the lower mold 51, when die-casting is required, the lower hydraulic cylinder 48 is controlled to drive the support plate 47 and the conveying plate 46 to move upward to the specified position synchronously, and then the drive motor 41 is controlled to start, thereby driving the installation cover plate 43 and the slide 45 to move downward on the slide rod 44, compressing the upper hydraulic cylinder 42, and during the continuous downward movement of the upper mold 49, the petal cylinder 414 first contacts the conveying plate 46. Under the extrusion pressure of the conveying plate 46, the petal cylinder 414 is forced to compress the telescopic rod 412 and move a distance in the direction of the slide 45. At this time, the upper mold 49 and the petal cylinder 414 produce relative motion, and the bar magnet in the upper mold 49 moves in the drive coil 413, thereby changing the magnetic flux and generating a positive current in the drive coil 413. At this time, the current is transmitted to the memory spring 411, and the memory After receiving the current, the spring 411 expands and stretches, thereby pushing the telescopic rod 412 to drive the petal cylinder 414 to move closer to each other, thereby repositioning and calibrating the limiting cylinder 52 below, thereby avoiding the offset between the upper mold 49 and the lower mold 51 during multiple pulling and pulling processes, reducing the deformation of the finished product caused by die-casting when the finished product is offset, and improving the yield of the finished product. At this time, the push block 415 enters the interior of the limiting cylinder 52 through the limiting cylinder 52 to prepare for die-casting. After a die-casting process is completed, the driving motor 41 drives the upper mold 49 to rise. During the process, the petal cylinder 414 pulls the telescopic rod 412 to extend under the action of its own gravity. At this time, the upper mold 49 and the driving coil 413 of the petal cylinder 414 produce relative displacement again. At this time, the reverse current generated in the driving coil 413 is transmitted to the electric push rod 58, which controls the electric push rod 58 to start extending and assist in demolding.

[0051] When the push block 415 gradually moves downward in the limiting cylinder 52, the arc push plate 53 is gradually squeezed by the side of the push block 415 while the reset spring 54 is stretched, so that the arc push plate 53 gradually enters the first chamber 511 from the second chamber 512. The bottom of the push block 415 contacts the movable plate 55 and compresses the buffer spring 56. The control cabinet 2 controls the one-way valve above to open. At this time, the pull rod 513 is pulled downward under the transmission action of the bent rod 57, thereby driving the pressure plate 510 in the containing box 59 to move downward and squeeze the magnetorheological fluid in the containing box 59 from the one-way valve above into the space between the first chamber 511 and the anti-magnetic soft film, thereby performing die-casting. When demolding is required, when the movable plate 55 moves to the extreme position, the control cabinet 2 passes current into the inductor 514, thereby generating a magnetic field, so that the magnetorheological fluid between the first chamber 511 and the anti-magnetic soft film changes from liquid to solid, and the finished product is squeezed. The adsorption force between the finished product and the inner wall of the first chamber 511 during the compression process is released, and a demoulding step is completed. At this time, the reverse current generated in the driving coil 413 is transmitted to the electric ejector 58, and the electric ejector 58 ejects the finished product from the lower mold 51. At this time, the secondary demoulding step is completed, avoiding the finished product damage caused by the demoulding process, resulting in a decrease in the yield rate. The control cabinet 2 stops supplying current to the inductor 514. At this time, the magnetorheological fluid between the first chamber 511 and the anti-magnetic soft film is converted from solid to liquid again. During the resetting process of the electric ejector 58, the liquid magnetorheological fluid in the inner wall of the first chamber 511 is squeezed through the anti-magnetic soft film and flows back to the storage box 59 through the bottom to prepare for the next die casting.

[0052] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An inductor and magnetic embryo composite die-casting molding equipment, characterized in that: The inductive magnetic embryo composite die-casting molding equipment comprises a mounting table (1), a control cabinet (2), a filling unit (3), a positioning unit (4) and a demoulding unit (5), wherein the mounting table (1) is placed on a horizontal foundation, the control cabinet (2) is fixedly mounted on a surface of one end of the mounting table (1) away from the horizontal foundation, the filling unit (3) is fixedly mounted on the control cabinet (2), the filling unit (3) is slidably connected to the positioning unit (4), the positioning unit (4) is fixedly mounted on a surface of one end of the mounting table (1) away from the horizontal foundation, the positioning unit (4) has the function of positioning and calibrating the demoulding unit (5), and the demoulding unit (5) is slidably connected to the positioning unit (4).

2. The inductor and magnetic embryo composite die-casting molding equipment according to claim 1 is characterized in that: The packing unit (3) comprises a packing cylinder (31), a packing tube (32), a storage box (33), a telescopic motor (34) and a straight rod (35); the fixed end of the telescopic motor (34) is fixedly mounted on the control cabinet (2); the telescopic end of the telescopic motor (34) is fixedly connected to one end of the straight rod (35); the other end of the straight rod (35) is fixedly connected to the packing cylinder (31); one end of the packing tube (32) is conductively connected to the packing cylinder (31); the other end of the packing tube (32) is conductively connected to the storage box (33); a plurality of through holes are provided at one end of the storage box (33) close to the horizontal base; and the storage box (33) is slidably connected to the positioning unit (4).

3. The inductor and magnetic embryo composite die-casting molding equipment according to claim 2 is characterized in that: The positioning unit (4) comprises a driving motor (41), an upper hydraulic cylinder (42), a mounting cover plate (43), a sliding rod (44), a slide table (45), a conveying plate (46), a support plate (47) and a lower hydraulic cylinder (48); the fixed end of the upper hydraulic cylinder (42) is fixedly mounted on the mounting table (1); one end of the mounting cover plate (43) is fixedly connected to the telescopic end of the upper hydraulic cylinder (42), and the other end is fixedly connected to the fixed end of the driving motor (41); the movable end of the driving motor (41) is fixedly connected to the slide table (45); the sliding rod (44) is fixedly mounted on The conveying plate (46) is away from the surface of one end of the horizontal base, the sliding rod (44) is slidably connected to the sliding table (45), the conveying plate (46) is fixedly mounted on the surface of one end of the supporting plate (47) away from the horizontal base, the supporting plate (47) is fixedly mounted on the telescopic end of the lower hydraulic cylinder (48), the lower hydraulic cylinder (48) is fixedly mounted on the mounting table (1), the storage box (33) is slidably mounted on the upper surface of the conveying plate (46), a circular groove is provided at one end of the conveying plate (46) away from the horizontal base, and the conveying plate (46) is slidably connected to the demoulding unit (5).

4. The inductor and magnetic embryo composite die-casting molding equipment according to claim 3 is characterized in that: The positioning unit (4) further comprises an upper mold (49), a vertical plate (410), a memory spring (411), a telescopic rod (412), a driving coil (413), a petal cylinder (414) and a push block (415); a plurality of extrusion blocks are arranged on the upper mold (49); the upper mold (49) is fixedly mounted on a surface of one end of the slide table (45) close to the horizontal base; a bar magnet is built into the end of the upper mold (49) close to the horizontal base in the vertical direction; the vertical plate (410) is fixedly mounted on a surface of one end of the slide table (45) close to the horizontal base; one end of the memory spring (411) is fixedly connected to the vertical plate (410), and the other end is fixedly connected to the telescopic rod ( The fixed end of the telescopic rod (410) is fixedly connected to the slide (45), the telescopic end of the telescopic rod (412) is fixedly connected to the petal cylinder (414), the driving coil (413) is fixedly installed on the outer surface of the petal cylinder (414), the driving coil (413) is electrically connected to the memory spring (411), the petal cylinder (414) is slidably connected to the upper mold (49) through a connecting rod, there are two push blocks (415), which are symmetrically installed on the upper mold (49) near the horizontal base end surface with the center axis of the upper mold (49), and the driving coil (413) is electrically connected to the demoulding unit (4).

5. The inductor and magnetic embryo composite die-casting molding equipment according to claim 3 is characterized in that: The demoulding unit (5) comprises a lower mold (51), a limiting cylinder (52), an arc-shaped push plate (53), a return spring (54), a movable plate (55), a buffer spring (56), a bending rod (57), an electric push rod (58), a containing box (59), a pressing plate (510), a first chamber (511), a second chamber (512), a pull rod (513) and an inductor coil (514). The lower mold (51) is fixedly connected to the limiting cylinder (52). In the vertical direction, the lower mold (51) is provided with a plurality of first chambers (511). 11), the first chamber (511) is used for forming the material, the lower mold (51) is provided with a plurality of second chambers (512) in the horizontal direction, the second chambers (512) are used for moving the arc-shaped push plate (53), the limiting cylinder (52) is composed of an inner cylinder and an outer cylinder, the limiting cylinder (52) is slidably mounted in a circular groove provided in the conveying plate (46), one end of the arc-shaped push plate (53) is fixedly connected to the inner wall of the limiting cylinder (52) through a return spring (54), and the other end is slidably mounted in the second chamber (512) ), the movable plate (55) is connected to the inner surface of one end of the limiting cylinder (52) close to the horizontal base through a buffer spring (56), both ends of the bent rod (57) are fixedly connected to the movable plate (55), the middle part of the bent rod (57) is fixedly connected to the pull rod (513), the fixed end of the electric push rod (58) is fixedly connected to the inner surface of one end of the limiting cylinder (52) close to the horizontal base, the telescopic end of the electric push rod (58) is slidably installed in the first chamber (511), and the containing box (59) is fixedly installed on the lower mold (51). The containing box (59) contains magnetorheological fluid, the containing box (59) is conductively connected to the first chamber (511) through a pipeline, the pressing plate (510) is slidably installed inside the containing box (59), the pressing plate (510) is fixedly connected to the pull rod (513) at one end close to the horizontal base, the pull rod (513) is slidably connected to the containing box (59), the inductance coil (514) is fixedly installed on the outer surface of the inner cylinder of the limiting cylinder (52), and the electric push rod (58) is electrically connected to the driving coil (413).

6. The inductor and magnetic embryo composite die-casting molding equipment according to claim 5 is characterized in that: The inner surface of the first chamber (511) is provided with a layer of anti-magnetic soft film.

7. The inductor and magnetic embryo composite die-casting molding equipment according to claim 5 is characterized in that: The containing box (59) is connected to the first chamber (511) via two upper and lower one-way valves.

8. The inductor and magnetic embryo composite die-casting molding equipment according to claim 5 is characterized in that: The limiting cylinder (52) is provided with a rectangular through slot, and the push block (415) and the rectangular through slot of the limiting cylinder (52) are on the same vertical axis.

9. The inductor and magnetic embryo composite die-casting molding equipment according to claim 4 is characterized in that: The push block (415) is a right-angled trapezoidal structure, the end of the push block (415) close to the horizontal base is a short side, and the end of the push block (415) close to the central axis of the upper mold (49) is the hypotenuse of the right-angled trapezoid.

10. The inductor and magnetic embryo composite die-casting molding equipment according to claim 1, characterized in that: The control cabinet (2) is provided with a start / stop button.

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