CN111745785A

CN111745785A - Multi-station automatic hot-press casting device and working method

Info

Publication number: CN111745785A
Application number: CN202010631666.2A
Authority: CN
Inventors: 李长河; 石明村; 崔歆; 马向阳; 邢宝达; 马晓红; 高腾; 王晓铭; 侯亚丽; 翟涵
Original assignee: Shenyang Hongyang Precision Ceramics Co ltd; Qingdao University of Technology
Current assignee: Shenyang Hongyang Precision Ceramics Co ltd; Qingdao University of Technology
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2020-10-09
Also published as: AU2021203765B2; CN113524394B; CN113524394A; AU2021203765A1

Abstract

The invention relates to a multi-station automatic hot-press casting device and a working method, wherein the multi-station automatic hot-press casting device comprises the following steps: die-casting mechanism: the mold comprises an upper mold component and a lower mold component, wherein the upper mold component comprises a first workbench capable of vertically moving, the first workbench is fixedly connected with a cavity plate, the cavity plate is provided with a cavity, an upper mold is arranged above the cavity plate, the upper mold is provided with an ejector rod extending into the cavity, the upper mold can drive the ejector rod to move in the cavity, the lower mold component comprises a second workbench capable of vertically moving, and the second workbench is fixedly provided with a lower mold with a pouring gate; grouting mechanism: the slurry barrel is connected with a sprue plate through a slurry injection pipe, the sprue plate is provided with a pouring gate communicated with the slurry injection pipe, and the pouring gate can be communicated with a pouring gate; the unloading mechanism comprises: the hot die-casting device is high in automation degree and capable of reducing labor intensity.

Description

Multi-station automatic hot-press casting device and working method

Technical Field

The invention relates to the technical field of alumina ceramic processing and forming, in particular to a multi-station automatic hot-press casting device and a working method.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The forming method of the alumina ceramic product comprises various methods such as dry pressing, grouting, extrusion, cold isostatic pressing, injection, tape casting, hot pressing, hot isostatic pressing and the like.

Hot-press casting is a wide-range production process for producing special ceramics, and its basic principle is that by utilizing the characteristics of that paraffin wax is heated to melt and solidified when meeting condensation, the non-plastic barren ceramic powder material and hot paraffin wax liquid are uniformly mixed to form flowable slurry, and then the slurry is injected into metal mould under a certain pressure to make formation, and after the paraffin wax is solidified, the mould is removed, and the formed blank body is taken out. The blank is properly trimmed, embedded into an adsorbent, heated for dewaxing treatment, and then dewaxed and sintered into a final product.

The inventor finds that the traditional hot-press casting equipment which is most widely applied has low automation degree, manual mold closing is mostly adopted, and the labor intensity is very high. And six processes of die assembly, grouting, pressure maintaining, grouting port cutting, demoulding and blank discharging are all realized by pressing an electromagnetic pneumatic valve button by workers according to experience, the work is complicated, and due to the fact that the operation time of each process is controlled manually, the defects of low yield, overlarge energy consumption and low safety exist.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the multi-station automatic hot-press casting device which is high in automation degree, less in manual intervention, capable of automatically completing operations of die assembly, demolding, unloading and the like, high in working efficiency and low in labor intensity.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, an embodiment of the present invention provides a multi-station automatic hot-die-casting apparatus, including:

die-casting mechanism: the mold comprises an upper mold component and a lower mold component, wherein the upper mold component comprises a first workbench capable of vertically moving, the first workbench is fixedly connected with a cavity plate, the cavity plate is provided with a cavity, an upper mold is arranged above the cavity plate, the upper mold is provided with an ejector rod extending into the cavity, the upper mold can drive the ejector rod to move in the cavity, the lower mold component comprises a second workbench capable of vertically moving, and a lower mold with a pouring gate is fixed on the second workbench;

grouting mechanism: the slurry barrel is connected with a sprue plate through a slurry injection pipe, the sprue plate is provided with a pouring gate communicated with the slurry injection pipe, and the pouring gate can be communicated with a pouring gate;

the unloading mechanism comprises: the first bracket is connected with a first driving mechanism capable of driving the first bracket to move to the lower part of the cavity plate.

In a second aspect, an embodiment of the present invention provides a working method of a multi-station automatic hot-die-casting apparatus: the first workbench and the second workbench move vertically to enable the cavity plate to be attached to the lower die, the lower die is attached to the sprue plate to complete die assembly, at the moment, the sprue is communicated with the cavity, the pouring gate is communicated with the sprue, the grouting mechanism works, slurry in the slurry barrel enters the cavity through the grouting pipe, the pouring gate and is subjected to die-casting forming, after die-casting forming is finished, the cavity plate and the lower die which are kept in a die assembly state move to a set position, the first workbench and the second workbench move relatively away from each other to enable the cavity plate to be separated from the lower die, demolding is completed, the first tray moves to be under the cavity plate under the action of the first driving mechanism, the ejector rod moves in the cavity to eject the die-cast blank out of the cavity, and the blank falls into the first tray.

The invention has the beneficial effects that:

1. according to the automatic hot-press casting device, the first workbench and the second workbench can vertically move, so that the cavity plate and the lower die are automatically attached and detached, die assembly and die disassembly are automatically completed, manual participation is not needed, the automation degree is high, the production efficiency is high, the product quality is improved, the labor intensity of workers is reduced, and the production safety is improved.

2. The automatic hot-die-casting device is provided with the first tray and the first driving mechanism, the first tray can move to the position under a cavity plate under the action of the first driving mechanism by utilizing the vertical movement of the first workbench and the second workbench, the upper die drives the ejector rod to move in the cavity, and a die-cast blank can be ejected out and fall into the first tray, so that the automatic discharging is realized, the production efficiency is high, and the labor intensity of workers is reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a die-casting mechanism according to embodiment 1 of the present invention;

FIG. 3 is a front view of a die-casting mechanism according to embodiment 1 of the present invention;

FIG. 4 is an enlarged detail view of FIG. 3 of the present invention;

FIG. 5 is an enlarged detail view of FIG. 4 of the present invention;

FIG. 6 is a schematic view showing a state where an upper mold assembly and a lower mold assembly are clamped in accordance with embodiment 1 of the present invention;

FIG. 7 is an exploded view of the present invention of FIG. 6;

FIG. 8 is a front view showing a state in which an upper mold assembly and a lower mold assembly are clamped in accordance with embodiment 1 of the present invention;

FIG. 9 is a side view showing a clamped state of an upper mold assembly and a lower mold assembly in accordance with embodiment 1 of the present invention;

FIG. 10 is a schematic view of a cavity after mold assembly in embodiment 1 of the invention;

FIG. 11 is an enlarged detail view of FIG. 10 of the present invention;

FIG. 12 is a schematic view of the lower mold structure in example 1 of the present invention;

FIG. 13 is a top view of a lower mold in accordance with embodiment 1 of the present invention;

FIG. 14 is a schematic cross-sectional view taken along line A of FIG. 13 in accordance with the present invention;

FIG. 15 is a schematic cross-sectional view taken along line B of FIG. 13 in accordance with the present invention;

FIG. 16 is a schematic cross-sectional view taken along line C of FIG. 15 in accordance with the present invention;

FIG. 17 is an enlarged detail view of FIG. 13 of the present invention;

FIG. 18 is a schematic cross-sectional view taken along line D of FIG. 17 in accordance with the present invention;

FIG. 19 is a schematic diagram of a cavity plate structure according to embodiment 1 of the present invention;

FIG. 20 is a plan view of a cavity plate according to embodiment 1 of the present invention;

FIG. 21 is a schematic cross-sectional view taken along line C of FIG. 20 in accordance with the present invention;

FIG. 22 is a schematic cross-sectional view taken along line D of FIG. 20 in accordance with the present invention;

FIG. 23 is a schematic cross-sectional view taken along line A of FIG. 21 in accordance with the present invention;

FIG. 24 is a schematic view of the cross-section taken along line B of FIG. 20 in accordance with the present invention;

FIG. 25 is a schematic view of the upper mold structure in example 1 of the present invention;

FIG. 26 is a front view of the upper mold structure in embodiment 1 of the present invention;

FIG. 27 is an enlarged detail view of FIG. 26 of the present invention;

FIG. 28 is a top view of the upper mold structure of example 1 of the present invention;

FIG. 29 is a schematic cross-sectional view taken along line A of FIG. 28 in accordance with the present invention;

FIG. 30 is a schematic cross-sectional view taken along line B of FIG. 28 in accordance with the present invention;

FIG. 31 is an enlarged detail view of FIG. 28 in accordance with the invention;

FIG. 32 is a schematic view of a core plate structure according to example 1 of the present invention;

FIG. 33 is a top view of a core plate of example 1 of the present invention;

FIG. 34 is a schematic cross-sectional view taken along line A of FIG. 33 in accordance with the present invention;

FIG. 35 is a schematic cross-sectional view taken along line B of FIG. 33 in accordance with the present invention;

FIG. 36 is an enlarged detail view of FIG. 33 of the present invention;

FIG. 37 is a schematic cross-sectional view taken along line C of FIG. 33 in accordance with the present invention;

fig. 38 is a front view of a core plate of embodiment 1 of the present invention;

FIG. 39 is an enlarged detail view of FIG. 38 in accordance with the invention;

FIG. 40 is a schematic view of a structure of a gate pusher in accordance with embodiment 1 of the present invention;

FIG. 41 is a schematic sectional view of a core rod according to example 1 of the present invention;

FIG. 42 is a schematic diagram of a fixing plate structure according to embodiment 1 of the present invention;

FIG. 43 is a top view of a fixing plate according to embodiment 1 of the present invention;

FIG. 44 is a schematic cross-sectional view taken along line A of FIG. 43 in accordance with the present invention;

FIG. 45 is a schematic cross-sectional view taken along line B of FIG. 43 in accordance with the present invention;

FIG. 46 is a schematic view of a gate plate structure according to example 1 of the present invention;

FIG. 47 is a schematic sectional view of a runner according to example 1 of the present invention;

FIG. 48 is a schematic view showing the assembly of the needle valve type oil cup according to example 1 of the present invention;

fig. 49 is an assembly view of the first and second stripping cylinders and the gate push plate driving cylinder with the first table in embodiment 1 of the present invention;

FIG. 50 is a schematic structural view of a discharging mechanism in embodiment 1 of the present invention;

FIG. 51 is a front view of a discharging mechanism in accordance with embodiment 1 of the present invention;

FIG. 52 is a schematic cross-sectional view taken along line A of FIG. 51 in accordance with the present invention;

FIG. 53 is a schematic cross-sectional view taken along line D of FIG. 51 in accordance with the present invention;

FIG. 54 is a schematic cross-sectional view taken along line B of FIG. 51 in accordance with the present invention;

FIG. 55 is a schematic cross-sectional view taken along line C of FIG. 51 in accordance with the present invention;

FIG. 56 is a schematic view of the assembly of the first tray and the pushing drive member according to embodiment 1 of the present invention;

FIG. 57 is an exploded view of FIG. 56 in accordance with the present invention;

fig. 58 is a schematic structural view of a first rack guide groove in embodiment 1 of the present invention;

fig. 59 is a schematic structural view of a first rack in embodiment 1 of the present invention;

fig. 60 is a schematic view of a first hinge button according to embodiment 1 of the present invention;

FIG. 61 is a schematic view of the second tray assembled with the pushing drive member according to embodiment 1 of the present invention;

FIG. 62 is an exploded view of FIG. 61 in accordance with the present invention;

FIG. 63 is a schematic view of a grouting structure in embodiment 1 of the present invention;

FIG. 64 is an exploded view of FIG. 63 in accordance with the present invention;

FIG. 65 is a sectional view of a grouting mechanism according to embodiment 1 of the present invention;

FIG. 66 is a schematic view of a fixing seat of an electrothermal tube in accordance with embodiment 1 of the present invention;

FIG. 67 is a schematic view of the grouting mechanism of embodiment 1 of the present invention mounted on a support;

fig. 68 is a schematic structural view of a blank processed according to embodiment 2 of the present invention;

FIG. 69 is a top view of the blank processed according to example 2 of the present invention;

FIG. 70 is a bottom view of the blank manufactured in example 2 of the present invention;

wherein, I-01-a third workbench, I-02-a third workbench fastening nut, I-03-a first demoulding cylinder, I-04-a first workbench lifting cylinder fastening nut, I-05-a sprue push plate driving cylinder, I-06-a first workbench lifting cylinder, I-07-a pin shaft, I-08-a second demoulding cylinder, I-09-a nut, I-10-a stud, I-11-a spring washer, I-12-a guide sleeve fastening screw, I-13-a guide sleeve, I-14-a first workbench, I-15-a guide rod, I-16-a circulating water pump, I-17-a circulating water pump fastening nut, and I-18-a circulating water pump connecting bolt, i-19-a water tank, I-20-a support, I-21-a control box, I-22-a copper plug, I-23-a first lifting cylinder of a second workbench, I-24-a bottom plate, I-25-a pressing block, I-26-a pressing block fixing screw, I-27-a lower template, I-28-a sprue plate, I-29-a second lifting cylinder of the second workbench, I-30-the second workbench, I-31-a needle valve type oil cup, I-32-a flared pipe joint, I-33-a double tee, I-34-a double tee pressing bar, I-35-a double tee fixing screw, I-36-a cavity plate, I-37-a pin and I-38-a first cushion block, i-39-upper die hinged pin shaft, I-40-upper die, I-41-core plate, I-42-second cushion block, I-43-sprue push plate, I-44-guide column, I-45-fixing plate, I-46-sprue push plate fixing screw, I-47-positioning ring fastening screw, I-48-positioning ring, I-49-spray nozzle fastening screw, I-50-spray nozzle, I-51-main runner bush, I-52-cushion block connecting screw and I-53-blank;

II-01-a first tray, II-02-a second tray connecting bolt, II-03-a second sleeve, II-04-a first tray connecting bolt, II-05-a first sleeve, II-06-a first rack guide groove positioning pin, II-07-a fastening nut, II-08-a first gear, II-09-a first rack guide groove, II-10-a first rack, II-11-a first hinge buckle pin, II-12-a first hinge buckle, II-13-a first cylinder fixing seat, II-14-a first cylinder fixing seat connecting bolt, II-15-a first cylinder fixing cover, II-16-a first rack driving cylinder, II-17-a first cylinder fixing cover connecting screw, II-18-a second rack driving cylinder, II-19-a second cylinder fixing seat, II-20-a supporting plate, II-21-a second cylinder fixing cover, II-22-a second cylinder fixing seat connecting bolt, II-23-a second cylinder fixing cover connecting bolt, II-24-a second hinge buckle, II-25-a second hinge buckle screw, II-26-a second rack guide groove positioning pin, II-27-a second rack, II-28-a second rack guide groove, II-29-a second gear, II-30-a second tray, II-31-a thrust ball bearing, II-32-a third sleeve, II-33-a fixed mandrel, II-34-a first rack guide groove fastening nut, II-35-a first rack guide groove spring washer, II-36-a first rack guide groove connecting bolt, II-37-a first cylinder fixing seat fastening nut, II-38-a first cylinder fixing seat spring washer;

III-01-thermocouple, III-02-oil bath box fastening nut, III-03-oil bath box spring washer, III-04-oil bath box connecting bolt, III-05-slurry outlet end cover, III-06-hand hole end cover, III-07-hand hole end cover pressing screw, III-08-rotating push rod, III-09-top cover, III-10-transverse clamping block, III-11-electric heating tube fixing seat fastening screw, III-12-slurry barrel fastening screw, III-13-electric heating device, III-14-grouting pipe, III-15-slurry outlet end cover sealing washer, III-16-slurry barrel, III-17-rubber sealing gasket, III-18-electric heating tube fixing seat, III-19-an oil bath box, III-20-an electric heating tube fastening screw, III-21-an electric heating tube, III-22-a hand hole end cover sealing washer, III-23-slurry and III-24-oil;

i-2701-lower template positioning hole, I-2702-sprue, I-2703-lower template cooling water channel, I-2704-first water pipe joint, I-2801-main channel, I-2802-branch channel, I-3601-second water pipe joint, I-3602-pin positioning hole, I-3603-cavity plate cooling water channel and I-3604-cavity;

II-0101-first tray frame, II-0102-third cylinder fixing cover, II-0103-third cylinder fixing cover connecting screw, II-0104-third driving cylinder, II-0105-third cylinder fixing seat, II-0106-third cylinder connecting nut, II-0107-first bracket, II-3001-second bracket, II-3002-second tray frame, II-3003-fourth cylinder fixing cover connecting screw, II-3004-fourth driving cylinder, II-3005-fourth cylinder fixing cover, II-3006-fourth cylinder fixing seat and II-3007-fourth cylinder connecting nut.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Just as the introduction of background art, current hot die-casting equipment degree of automation is low, and production efficiency is low, and staff intensity of labour is big, to above-mentioned problem, this application has proposed a six station automatic hot die-casting device.

In a typical embodiment example 1 of this application, as shown in fig. 1-67, an automatic hot die-casting device of multistation, including support I-20, die-casting machine structure I is installed to the support top surface, one side of die-casting machine structure is provided with discharge mechanism II, discharge mechanism installs at the support top surface, the inside below that is located die-casting machine structure of support is provided with slip casting machine structure III.

The die-casting mechanism comprises an upper die assembly and a lower die assembly which can move vertically.

The upper die component comprises elements such as a first workbench, a cavity plate, a core plate, a pouring gate push plate and a fixing plate, wherein the first workbench I-14 can move vertically, four corners of the first workbench are provided with guide sleeves I-13, the guide sleeves are fixedly connected with the first workbench through guide sleeve fastening screws I-12, guide rods I-15 vertically arranged along the axis are passed through the guide sleeves, the bottom end of each guide rod is provided with a boss, two limiting ribs are arranged between the boss and the guide rods, the limiting ribs are inserted into limiting clamping grooves formed in the bottom plate I-24, the bottom plate is fixed on the top surface of the support, the guide rods are prevented from rotating around the axis of the guide rods through the cooperation of the limiting clamping grooves and the limiting ribs, the fixed connection between the guide rods and the bottom plate is realized, and the guide rods can guide the movement of the first workbench.

The bottom surface of the first workbench is fixedly connected with a fixing plate I-45 through a pressing block I-25 and a pressing block fixing screw I-26, the bottom surface of the fixing plate is connected with the top surface of a second cushion block I-42 through a cushion block connecting screw I-52, the bottom surface of the second cushion block is connected with the top surface of a core plate I-41 through a cushion block connecting screw, the bottom surface of the core plate is fixedly connected with the top surface of a first cushion block I-38 through a cushion block connecting screw, and the bottom surface of the first cushion block is fixedly connected with a cavity plate I-36 through a cushion block connecting screw. And pins I-37 are arranged between the four corners of the cavity plate and the core plate and used for positioning the assembly between the cavity plate and the core plate, and the pins extend to the lower part of the cavity plate and are used for being matched with the lower die assembly.

The cavity plate is provided with a plurality of cavities I-3604, in the embodiment, twelve cavities are arranged, each cavity comprises a gate part and forming parts positioned on two sides of the gate part, the forming parts are matched with the shape of a blank to be die-cast, five strip-shaped cavity plate cooling water channels I-3603 are further arranged in the cavity plate, second water pipe joints I-3601 are arranged at two ends of each cavity plate cooling water channel, the five second water pipe joints on the same side are sequentially numbered as a No. 1 joint, a No. 2 joint, a No. 3 joint, a No. 4 joint and a No. 5 joint along the direction vertical to the axis of the cavity plate cooling water channel, the second water pipe joints on the other side are respectively a No. 6 joint, a No. 7 joint, a No. 8 joint, a No. 9 joint and a No. 10 joint, wherein the No. 1 joint and the No. 4 joint are connected through hoses, the No. 2 joint and the No. 5 joint are connected through hoses, and the No. 3 joint, no. 7 joint and No. 9 joint utilize the hose to connect, No. 8 joint and No. 10 joint utilize the hose to connect, No. 6 is as the delivery port, and five bar-shaped cavity boards cooling water course can form a cooling water return circuit this moment, still be provided with on the template and be used for with pin joint's pin locating hole I-3602.

The mould comprises a cavity plate and a core plate, and is characterized in that an upper mould I-40 is arranged between the cavity plate and the core plate, twelve groups of ejector rods are arranged on the bottom surface of the upper mould, two ejector rods are arranged in each group, a first core rod through hole is formed in the position of the upper mould between the ejector rods in the same group, the positions and the shapes of the ejector rods in the same group are matched with those of two forming parts in the same cavity, the ejector rods extend into the forming parts in the cavity, the edge of the bottom surface of each ejector rod is provided with an arc transition surface inclined towards the center direction of the ejector rod, and. The automatic demolding device is characterized in that mounting portions are arranged at two ends of the upper die, mounting holes are formed in the mounting portions, an upper die hinge pin shaft I-39 is arranged in each mounting hole, the upper die hinge pin shaft is connected with two second driving pieces, the two second driving pieces are a first demolding cylinder I-03 and a second demolding cylinder I-08 respectively, and the first demolding cylinder and the second demolding cylinder are fixedly connected with a first workbench through a nut I-09, a stud I-10 and a spring washer I-11. Piston rods of the first demoulding cylinder and the second demoulding cylinder are hinged with the upper die hinge pin shaft through notches formed in the edges of the fixing plate and the core plate.

Twelve groups of core rods are arranged on the bottom surface of the core plate, eight core rods are arranged in each group, the side edges of the end parts of the core rods are subjected to grinding treatment, in the same group, four core rods are positioned on one side of a second core rod through hole arranged in the core plate, the other four core rods are positioned on the other side of the second core rod through hole and are symmetrically arranged, the cross section shapes of the core rods are matched with the core holes, and the core rods penetrate through the ejector rods through the core holes and extend out of the ejector rods.

The die core plate structure is characterized in that a pouring push plate I-43 is arranged between the die core plate and the fixing plate, twelve core rods are arranged on the bottom surface of the pouring push plate, the shape of each core rod is matched with that of the gate portion, the core rods sequentially penetrate through the die core plate and the upper die through a second core rod through hole and a first core rod through hole and extend into the gate portion of the cavity, the pouring push plate is connected with a third driving piece fixed on the first workbench, the third driving piece adopts a pouring push plate driving air cylinder I-05, the pouring push plate driving air cylinder is arranged between the first demolding air cylinder and the second demolding air cylinder, a piston rod of the pouring push plate driving air cylinder is connected with the pouring push plate through a pouring push plate fixing screw I-46.

The cavity plate is fixedly connected with the bottom ends of the guide posts I-44, and the top ends of the guide posts are connected with guide holes arranged on the fixing plate in an interference fit mode after sequentially penetrating through the upper die, the core plate and the sprue push plate. The guide post is used for guiding the movement of the upper die and the sprue push plate.

The cylinder body of runner push pedal cylinder is connected with first driving piece, has realized being connected of first workstation and first driving piece, first driving piece adopts first workstation lift cylinder I-06, and the piston rod of first workstation lift cylinder is articulated with the cylinder body of runner push pedal cylinder through round pin axle I-07, and first workstation lift cylinder is fixed on third workstation I-01 through first workstation lift cylinder fastening nut I-04, and the third workstation is fixed with the guide bar top, and is concrete, and the top of guide bar is equipped with the screw thread section that the diameter is less than the guide bar, forms the step face, third workstation bottom surface and step face contact have screwed third workstation fastening nut I-02 on the screw thread section, realize connecting third workstation, guide bar, bottom plate as a whole.

The lower die assembly comprises a second workbench I-30, the second workbench is located below the first workbench, guide sleeves are arranged at four corners of the second workbench and fixedly connected with the second workbench, the second workbench can move vertically along guide rods through the guide sleeves, the second workbench is connected with a fourth driving part, the fourth driving part adopts a first lifting cylinder I-23 of the second workbench and a second lifting cylinder I-29 of the second workbench, the second workbench is connected with a piston rod of the first lifting cylinder of the second workbench and a piston rod of the second lifting cylinder of the second workbench through bolts, and the first lifting cylinder of the second workbench and the second lifting cylinder of the second workbench are fixed on a support.

The center part of the second workbench is fixedly provided with a lower die I-27 through a pressing block and a pressing block fixing screw, the lower die is provided with twelve gates I-2702, the positions of the gates are aligned to the gate part of the cavity, core bosses matched with a blank to be processed are arranged on two sides of the gates, five lower die plate cooling water channels I-2703 are arranged in the lower die, two ends of each lower die plate cooling water channel are provided with first water pipe joints I-2704, the first water pipe joints are connected through hoses in the same way as the second water pipe joints and the hoses, repeated description is omitted, one of the second water pipe joints serves as a water inlet, the other second water pipe joint serves as a water outlet, the lower die is further provided with a lower die plate I-2701, and the lower die plate positioning hole can be matched with the part, extending out of the pin I-37, below the cavity plate, and (5) positioning of die assembly is carried out, and the edge of the top of the positioning hole is provided with a chamfer so as to facilitate die assembly.

In this embodiment, as the first water pipe head and the second water pipe head of water inlet all be connected with water supply mechanism, water supply mechanism can let in cooling water to lower mould and die cavity board through first water pipe head box second water pipe head, cools off die cavity board and lower mould fast, makes things convenient for the quick design of embryo.

The water supply mechanism comprises a water tank I-19, the water tank is fixedly connected with a circulating water pump I-16 through a circulating water pump fastening nut I-17 and a circulating water pump connecting bolt I-18, the circulating water pump is connected with a water inlet of a double tee joint I-33 through a pipeline, the double tee joint is connected with a double tee joint batten I-34 through a screw, the double tee joint batten is fixed on a support through a double tee joint fixing screw I-35, the water inlet and the water outlet of the double tee joint are both provided with flared pipe joints I-32, one horizontal water outlet of the double tee joint is connected with a first water pipe joint serving as the water inlet through a pipeline, the other vertical water outlet is connected with a second water pipe joint serving as the water inlet through a pipeline, the first water pipe joint and the second water pipe joint serving as the water outlet are respectively connected with a water return port at the top of the double tee, the outlet of the double tee is communicated with the two water return ports and is communicated with the water tank through a pipeline, cooling water in the water tank can enter the double tee under the action of the circulating pump, one path of cooling water enters the lower die, the other path of cooling water enters the cavity plate, and cooling water flowing out of the lower die and the cavity plate flows back to the water tank through the outlet of the double tee after being converged in the double tee through the water return ports.

In this embodiment, first workstation and second workstation all are provided with two lubricated oil ducts, and lubricated oil duct and uide bushing position are aligned, and lubricated oil duct both ends are blocked through copper stifled I-22, and copper is stifled and first workstation and second workstation threaded connection, first workstation and second workstation top surface all threaded connection have needle valve formula oil cup I-31, and needle valve formula oil cup and lubricated passageway intercommunication can add lubricating oil to lubricated oil duct through needle valve formula oil cup, can in time lubricate the uide bushing, reduce wearing and tearing.

The grouting mechanism comprises a sprue plate I-28, a boss is arranged on the bottom surface of the sprue plate, and the sprue plate is connected with the bottom plate through the boss and a mounting groove formed in the bottom plate.

The runner is arranged on the upper surface of the sprue plate and comprises main runners I-2801 and sub runners I-2802, the main runners are located at the center of the sprue plate, the sub runners are symmetrically arranged on two sides of the main runners, so that slurry from the main runners can reach all the runners in a balanced mode and fill all the cavities simultaneously, the cross sections of the sub runners are trapezoidal, processing is convenient, the arrangement of the sub runners is compact, the size of a mold is reduced, the stroke is shortened, and the temperature pressure loss when the slurry reaches all the runners is reduced to the minimum.

The sprue plate can be in contact with a lower die fixed on the second workbench in a fitting manner through an opening formed in the center of the second workbench, and the tail end of the sub-runner is aligned with a sprue of the lower die, so that slurry in the sub-runner can enter the sprue.

The center part of the pouring gate plate is provided with a main pouring gate bushing I-51, the main pouring gate bushing is communicated with the main runner, the main pouring gate bushing is tightly pressed on the pouring gate plate through a positioning ring I-48 and a positioning ring fastening screw I-47, an injection nozzle I-50 is arranged below the main pouring gate bushing, the injection nozzle is fixed on the bottom plate through an injection nozzle fastening screw I-49 and is communicated with the main pouring gate bushing, slurry in the injection nozzle can enter the main runner through the main pouring gate bushing, and the alignment between the injection nozzle and the injection nozzle is ensured and the disassembly is convenient by adopting the positioning ring and the main runner bushing which are separately designed. The main runner in the main runner bush is conical, the height is small, the cross section is circular, the runner congeals materials and is convenient to separate, the pressure loss is small, and the slurry loss is small.

The spraying nozzle is connected with one end of a grouting pipe III-14, the other end of the grouting pipe extends into a slurry barrel III-16, the slurry barrel is arranged in a support and used for containing slurry III-23, the top of the slurry barrel is fixedly connected with a sealing cover III-09 through a slurry barrel fastening screw III-12, a rubber sealing gasket III-17 is arranged between a top cover and the top of the slurry barrel, an oil bath box III-19 is arranged on the periphery of the slurry barrel and used for containing oil III-24, the top of the oil bath box is fixedly connected with the top cover through an oil bath box fastening nut III-02, an oil bath box spring washer III-03 and an oil bath box connecting screw III-04, an electric heating pipe fixing seat III-18 is arranged in a space between the slurry barrel and the oil bath box, and the electric heating pipe fixing seat is fixedly connected with the top cover through an electric heating pipe fixing seat fastening screw III-11, heating elements are arranged at four corners of the electric heating tube fixing seat, the heating elements are electric heating tubes III-21, the electric heating tubes are fixedly connected with the electric heating tube fixing seat through electric heating tube fastening screws III-20, and the electric heating tubes can heat oil in the oil bath box, so that slurry in the slurry barrel is kept warm, the slurry is prevented from being solidified, the uniformity of the slurry is guaranteed, and the forming quality is guaranteed. The grouting pipe is fixedly connected with a grout outlet end cover III-05, the grout outlet end cover is in threaded connection with the top cover, a grout outlet end cover sealing ring III-15 is arranged between the grout outlet end cover and the top cover, and an electric heating device III-13 is sleeved on the periphery of the part, close to the end cover, of the grouting pipe, so that the slurry is prevented from being blocked by condensation. The top cover part between the slurry barrel and the oil bath box is also in threaded connection with a thermocouple III-01, the thermocouple III-01 is used for converting a temperature signal of oil in the oil bath box into a thermal electromotive force signal, the thermal electromotive force signal is converted into the temperature of the oil through an electric instrument (a secondary instrument), the temperature of the oil is displayed on a control box I-21, and the control box is fixed on the top surface of the support. The top cover is also provided with a hand hole, the charging and the washing of the charging barrel are carried out through the charging in the hand hole box, a hand hole end cover III-06 is arranged at the hand hole, a hand hole end cover sealing ring III-22 is arranged between the hand hole end cover and the top cover, the hand hole end cover is pressed by a hand hole end cover pressing screw III-07, the hand hole end cover pressing screw is in threaded connection with a transverse clamping block III-10, two ends of the transverse clamping block are in sliding connection with a limiting rod fixed on the top cover through sliding grooves, a rotary push rod III-08 penetrates through the top end of the hand hole end cover pressing screw, the hand hole end cover pressing screw is rotated through the rotary push rod, the transverse clamping block moves upwards along the limiting rod until a limiting boss at the top end of the limiting rod is touched, the transverse clamping block cannot move upwards continuously at the moment, the hand hole end cover pressing screw continues to rotate, and, and pressing the hand hole end cover and the top cover. When dismantling the hand hole end cover, the hand hole end cover compression screw of reverse rotation, horizontal clamp splice this moment moves down and until with the contact of hand hole end cover, can't continue to remove, continue rotatory hand hole end cover compression screw, hand hole end cover compression screw up-going this moment, until breaking away from horizontal clamp splice, the state of compressing tightly of contact pair hand hole end cover this moment takes off horizontal clamp splice, utilizes the instrument can pry open hand hole end cover and accomplishes opening of hand hole.

The thick liquid bucket is connected with outside compressed air source through the compressed air pipe who installs the solenoid valve, and outside compressed air source can inject compressed air into the thick liquid bucket through the solenoid valve, impresses the slip casting pipe with thick liquids, the solenoid valve is connected with the control box, controls its work by the control box.

The discharging mechanism is arranged on one side of the die-casting mechanism, is fixed on the top surface of the support and comprises an L-shaped support plate II-20, the support plate is fixedly connected with the support, one end of the support plate is fixedly connected with the bottom end of the fixed mandrel II-33, a first driving mechanism and a second driving mechanism which are vertically arranged are arranged on the support plate, the first driving mechanism is connected with the first tray, and the second driving mechanism is connected with the second tray.

The first driving mechanism comprises a first discharging driving part, the discharging driving part adopts a first rack driving air cylinder II-16, the first rack driving air cylinder is fixed in a fixed cavity formed by a first air cylinder fixed cover II-15 and a first air cylinder fixed seat II-13, the first air cylinder fixed cover and the first air cylinder fixed seat are fixed through a first air cylinder fixed cover connecting screw II-17, the first air cylinder fixed seat is fixed on a supporting plate through a first air cylinder fixed seat connecting bolt II-14, a first air cylinder fixed seat fastening nut II-37 and a first air cylinder fixed seat spring washer II-38, a piston rod of the first rack driving air cylinder is connected with a first rack II-10 through a first hinge buckle pin II-11 and a first hinge buckle II-12, and the first rack is connected with a first rack guide groove II-09 in a sliding manner, the first rack guide groove is matched with the positioning hole on the support plate for positioning through two first guide groove positioning pins II-06 arranged along the opposite angle, the first rack guide groove is fixedly connected with the support plate through a first rack guide groove fastening nut II-34, a first rack guide groove spring washer II-35 and a first rack guide groove connecting bolt II-36, the first rack is meshed with a first gear II-08, the first gear is rotatably connected with the fixed mandrel through a thrust ball bearing II-31, the edge of the first gear is fixedly connected with one end of a first connecting piece through a first tray connecting bolt II-04, in the embodiment, the first connecting piece connected with the edge of the first rack is in a V-shaped structure and comprises a first connecting part and a second connecting part which are arranged at an obtuse angle, and the end part of the first connecting part is fixedly connected with the first gear, the second connecting portion are fixed with a first tray II-01, the first tray comprises a first bracket II-0107 and a first tray frame II-0101, the second connecting portion is fixedly connected with the first bracket, a material pushing driving piece is arranged on the top surface of the second connecting portion, the material pushing driving piece adopts a third driving cylinder II-0104, the third driving cylinder is fixed with the second connecting portion through a third cylinder fixing cover II-0102 and a third cylinder fixing seat II-0105, the third cylinder fixing cover and the third cylinder fixing seat are fixed through a third cylinder fixing cover connecting screw II-0103, and a cavity for fixing the third cylinder is formed. The piston rod of the third cylinder is connected with the first tray frame II-0101 through a third cylinder connecting nut II-0106, the first tray frame can be arranged at the edge position of the first tray, and the third cylinder can drive the first tray frame to move so as to push out materials on the first tray.

The second driving mechanism comprises a second discharging driving part, the second discharging driving part adopts a second rack driving air cylinder II-18, the second rack driving air cylinder is fixed in a fixed cavity formed by a second air cylinder fixed cover II-21 and a second air cylinder fixed seat II-19, the second air cylinder fixed cover and a second air cylinder fixed seat are fixed through a second air cylinder fixed cover connecting screw II-23, the second air cylinder fixed seat is fixed on the supporting plate through a second air cylinder fixed seat connecting screw II-22, a piston rod of the second rack driving air cylinder is connected with a second rack II-27 through a second hinge buckle II-24 and a second hinge buckle screw II-25, the second rack is in sliding connection with a second rack guide groove II-28, and the second rack guide groove is positioned through two second rack guide groove positioning pins II-26 arranged along opposite angles and matched with positioning holes on the supporting plate, and is fixedly connected with the supporting plate through bolts. The second rack is meshed with a second gear II-29, the second gear is rotationally connected with the fixed mandrel through a thrust ball bearing, the edge of the second gear is fixedly connected with a connecting piece and a second connecting piece through a second tray connecting bolt II-02, the second connecting piece is of an L-shaped structure and comprises a third connecting part and a fourth connecting part which are vertically arranged, the third connecting part is fixedly connected with the edge position of the second gear, the fourth connecting part is fixedly connected with a second tray II-30, the second tray comprises a second bracket II-3001 and a second tray frame II-3002, the second bracket is fixedly connected with the fourth connecting part, a material pushing driving piece is further arranged on the fourth connecting part and adopts a fourth driving cylinder II-3004, and the fourth driving cylinder is fixed through a fixed cavity formed by a fourth cylinder fixing seat II-3006 and a fourth cylinder fixing cover II-3005, the Su search fourth cylinder fixing seat and the fourth cylinder fixing cover are fixed through fourth cylinder fixing cover connecting screws II-3003, a piston rod of the fourth cylinder is connected with second tray frames II-3002 through fourth cylinder connecting nuts II-3007, the second tray frames can be arranged at the edge of the second bracket, and the fourth cylinder pushes the second tray frames to move so as to push out materials in the second bracket.

In the embodiment, the fixed mandrel is sequentially sleeved with a third sleeve II-32, a thrust ball bearing, a second gear, a thrust ball bearing, a second sleeve II-03, a thrust ball bearing, a first gear, a thrust ball bearing and a first sleeve II-05 from bottom to top, and a fastening nut II-07 is screwed at the top end of the fixed mandrel to compress and fix the components. The positions of the first gear and the second gear relative to the fixed mandrel can be changed by adjusting the heights of the three sleeves.

In the embodiment, all the working air cylinders, the circulating water pump, the electromagnetic valves, the thermocouples, the electric heating tubes, the electric heating devices and other elements are connected with the control box, and the control box controls the automatic working of the elements.

Example 2:

the embodiment discloses a working method of the multi-station automatic hot die-casting device in embodiment 1:

in an initial state, the third workbench is positioned above the sprue plate and keeps a set distance, the cavity plate and the lower die are in a separated state, the sprue push plate and the fixed plate are in a joint state, the upper die and the core plate are in a joint state, and the position is a station.

Under the control of the control box, compressed air is input into an air inlet cavity of a first workbench lifting cylinder to push the first workbench to move downwards, compressed air is input into an exhaust cavity of a second workbench lifting cylinder, a third workbench moves downwards, a cavity plate is attached to a lower die, the lower die is attached to a sprue plate to complete die assembly, a cavity wall of the cavity, the bottom surface of a mandril, the upper surface of the lower die, a core boss and a core rod form a grouting cavity, the position is two stations, a control core rod extends into a cavity part of the cavity, the bottom of the control core rod is flush with the bottom surface of the cavity part, and due to the fact that a chamfer structure exists on the edge of the bottom surface of the core rod, the small grouting opening is formed through cooperation with a sprue in the lower die, slurry from a shunt channel is accelerated to be quickly filled into the cavity, and filling of the die is easy. Because the size of the pouring gate is much smaller than that of the cavity part, after the cavity is filled with the slurry, the pouring gate can be rapidly cooled and closed, the slurry is prevented from flowing backwards, and the pouring gate condensate and the blank are conveniently separated. In addition, the small sprue has larger frictional resistance to the melt, so that the temperature of the melt is obviously increased, the viscosity is reduced, the fluidity is increased, and the forming of thin-wall complex products and the obtaining of blanks with clear shapes are facilitated; the small sprue is beneficial to separating the runner aggregate from the blank and is convenient for automatically cutting off the sprue, so that the blank is convenient to correct, and the trace is small; the small gate shortens the molding period and improves the production rate. The small gate can control and shorten the pressure maintaining feeding time so as to reduce the internal stress of the blank and prevent deformation and fracture.

And the air inlet cavity of the first workbench lifting cylinder, the air outlet cavities of the second workbench first lifting cylinder and the second workbench second lifting cylinder continuously keep a pressure maintaining state, the electromagnetic valve is opened, compressed air is injected into the slurry barrel, and the slurry enters the cavity after passing through the slurry injection pipe, the injection nozzle, the main runner bush, the main runner and the sub-runner to complete die casting to form a blank I-53, wherein the blank structure is shown in figures 68-70, and at the moment, the three stations are adopted.

Compressed air is input into an air inlet cavity of a first lifting cylinder of a second workbench and a second lifting cylinder of the second workbench, compressed air is input into an air outlet cavity of the lifting cavity of the first workbench, so that the first workbench and the second workbench simultaneously move upwards to a set position and keep a die assembly state unchanged, compressed air is input into an air inlet cavity of a second rack driving cylinder, a second rack pushes a second gear to rotate 90 degrees, a second bracket moves to the position under a lower die, at the moment, a gate push plate is pressed downwards under the action of the gate push plate cylinder to push out a grout mouth waste in a gate of the lower die to finish cutting off a grout port, compressed air is input into an air outlet cavity of the second rack driving cylinder, the second rack pushes the second gear to rotate reversely 90 degrees to separate the grout mouth waste, compressed air is input into an air inlet cavity of a fourth driving cylinder to push a frame of the second tray to slide, and push the grout mouth waste in the second bracket, and meanwhile, the fourth driving cylinder resets, and four stations are formed at the moment.

Compressed air is input into an exhaust cavity of the first workbench lifting cylinder, the first workbench moves upwards, the cavity plate is separated from the lower die, demolding is completed, and at the moment, five stations are formed.

The first rack driving cylinder pushes the first rack to move to drive the first gear to rotate, so that the first bracket is positioned below the cavity plate, meanwhile, the upper die is pushed down by a first demoulding cylinder and a second demoulding cylinder to eject the die-cast blank out of the die cavity and fall into a first bracket, the first rack driving cylinder pushes the first rack to move, drives the first gear to rotate reversely, and brings the blank and the first bracket away, then the third driving cylinder pushes the first tray frame to slide, the blank I-53 is pushed away, the piston rod of the third driving cylinder is reset, at the moment, six stations are formed, and the whole die-casting process is completed, namely, the six stations sequentially complete six processes of die assembly, grouting, pressure maintaining, grouting opening cutting, demoulding, blank discharging and the like, and the blank is automatically formed by hot-press casting, so that the automation degree is high, the production efficiency is high, and the labor intensity of workers is greatly reduced.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims

1. The utility model provides an automatic hot die-casting device of multistation which characterized in that includes:

die-casting mechanism: the mold comprises an upper mold component and a lower mold component, wherein the upper mold component comprises a first workbench capable of vertically moving, the first workbench is fixedly connected with a cavity plate, the cavity plate is provided with a cavity, an upper mold is arranged above the cavity plate, the upper mold is provided with an ejector rod extending into the cavity, the upper mold can drive the ejector rod to move in the cavity, the lower mold component comprises a second workbench capable of vertically moving, and the second workbench is fixedly provided with a lower mold with a pouring gate;

2. A multi-station automatic hot press casting apparatus as claimed in claim 1, wherein the cavity plate is fixedly connected to a core plate disposed above the cavity plate, the core plate is fixed to a first table, the first table is connected to a first driving member fixed to a third table, the third table is fixedly disposed, the upper mold is disposed between the cavity plate and the core plate, and the upper mold is connected to a second driving member fixed to a second table, the second driving member being capable of driving the upper mold to move, thereby driving the ram to move in the cavity.

3. A multi-station automatic hot press casting device according to claim 1, wherein a gate push plate is provided above the upper mold, the gate push plate is provided with a core rod which passes through the upper mold and the cavity plate and can extend into the gate, a chamfer is provided at the bottom edge of the core rod, the gate push plate is connected with a third driving member provided on the first table, and the third driving member can drive the core rod to extend into the gate.

4. A multi-station automatic hot die-casting apparatus according to claim 1, wherein the cavity plate and the lower die are provided with cooling water passages, and the cooling water passages are connected to a water supply mechanism capable of supplying cooling water to the cooling water passages.

5. A multi-station automatic hot die-casting device according to claim 1, wherein the second working table is connected with a fourth driving member, the fourth driving member can drive the second working table to move vertically, and the fourth driving member is fixedly arranged.

6. A multi-station automatic hot press casting apparatus as claimed in claim 1, wherein the gate plate is provided with a main runner liner, the main runner liner being in communication with the runner, the main runner liner being further in communication with a spray nozzle, the spray nozzle being fixedly disposed, the spray nozzle being connected to the slurry pipe.

7. A multi-station automatic hot press casting apparatus as claimed in claim 1, wherein said barrel is disposed inside the oil bath tank, and a space between the barrel and the tank is provided with heating members.

8. A multi-station automatic hot die casting apparatus as claimed in claim 1, wherein said discharge mechanism further comprises a second carriage, said second carriage being connected to a second driving mechanism capable of driving said second carriage to move under the lower die.

9. A multi-station automatic hot die-casting device according to claim 8, wherein the first driving mechanism and the second driving mechanism are mounted on a fixedly arranged support plate and each comprise a discharge driving member fixed on the support plate, the discharge driving member is connected with a rack, the rack is slidably connected with the support plate, the rack is engaged with a gear, the gear is rotatably connected with a fixed mandrel fixed on the support plate, the edge of the gear is connected with one end of a connecting member, the connecting member of the first driving mechanism is connected with the first bracket, and the connecting member of the second driving mechanism is connected with the second bracket;

furthermore, a material pushing driving piece is fixed on a connecting piece of each of the first driving mechanism and the second driving mechanism and connected with the tray frame, and the material pushing driving pieces can drive the tray frame to move so as to push out the materials on the first bracket and the second bracket.

10. A working method of a multi-station automatic hot die-casting device according to any one of claims 1 to 9, characterized in that the first and second tables move vertically to attach the cavity plate to the lower die, the lower die is attached to the gate plate to complete die assembly, at this time, the gate is communicated with the cavity, the gate is communicated with the gate, the grouting mechanism operates, slurry in the slurry barrel enters the cavity through the grouting pipe, the gate and the gate to perform die-casting, after die-casting molding is completed, the cavity plate and the lower die which are kept in a die assembly state move to a set position, the first and second tables move relatively away to separate the cavity plate from the lower die to complete de-molding, the first tray moves under the action of the first driving mechanism to a position under the cavity plate, the ejector rod moves in the cavity to eject the die-cast blank, and the blank falls into the first tray.