CN111745785A - A multi-station automatic hot die casting device and working method - Google Patents

Abstract

The invention relates to a multi-station automatic hot die casting device and a working method, comprising: a die casting mechanism: comprising an upper die assembly and a lower die assembly, the upper die assembly includes a first worktable capable of vertical movement, and the first workbench The table is fixedly connected with the cavity plate, the cavity plate has a cavity, an upper die is arranged above the cavity plate, and the upper die is provided with an ejector rod extending into the cavity. The upper mold can drive the ejector pin to move in the cavity, and the lower mold The assembly includes a second worktable that can move vertically, and the second worktable is fixed with a lower mold with a gate; the grouting mechanism: includes a slurry bucket, and the slurry bucket is connected with the sprue plate through a grouting pipe, and the sprue plate is provided. There is a runner that communicates with the grouting pipe, and the runner can communicate with the gate; the discharge mechanism: includes a first bracket, and the first bracket is connected with a first driving mechanism that can drive it to move to the bottom of the cavity plate, The hot die casting device of the invention has a high degree of automation and reduces labor intensity.

Description

A multi-station automatic hot die casting device and working method

technical field

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

Background technique

The statements herein merely provide background related to the present invention and do not necessarily constitute prior art.

Forming methods of alumina ceramic products include dry pressing, grouting, extrusion, cold isostatic pressing, injection, casting, hot pressing and hot isostatic pressing.

Hot die casting is a relatively extensive production process for producing special ceramics. The slurry is injected into the metal mold under a certain pressure to form, cooled and the wax slurry is solidified and then demolded to take out the formed body. The green body is properly trimmed, embedded in the adsorbent and heated for dewaxing treatment, and then the dewaxed green body is sintered into the final product.

The inventor found that the most widely used traditional hot die casting equipment has a low degree of automation, and most of them use manual mold clamping, which is very labor-intensive. In addition, the six major processes of mold clamping, grouting, pressure maintaining, cutting grouting port, demoulding, and embryo release are all operated by the workers according to their experience to sequentially press the electromagnetic pneumatic valve button, which is tedious work, and due to the manual control of the operation time of each process, there are Due to the disadvantages of low yield, excessive energy consumption and low safety, the inventor also found that the current die-casting machine needs to manually collect the embryos after the embryos are released, and it is impossible to complete automatic unloading, and it is impossible to remove the grouting port. The degree of automation low, increasing the labor intensity.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a multi-station automatic hot die casting device, which has a high degree of automation, less manual intervention, and can automatically complete operations such as mold clamping, demoulding, and unloading, with high work efficiency. , the labor intensity is low.

To achieve the above object, the present invention adopts the following technical solutions:

In a first aspect, an embodiment of the present invention provides a multi-station automatic hot die casting device, comprising:

Die-casting mechanism: including an upper mold assembly and a lower mold assembly, the upper mold assembly includes a first worktable that can move vertically, the first worktable is fixedly connected with the cavity plate, the cavity plate has a cavity, and the cavity plate is The upper mold is provided with an upper mold, and 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 assembly includes a second workbench that can move vertically. A lower die with a gate is fixed;

Grouting mechanism: including a slurry bucket, the slurry bucket is connected to the sprue plate through a grouting pipe, the sprue plate is provided with a runner that communicates with the grouting pipe, and the runner can be communicated with the gate;

Unloading mechanism: including a first bracket, the first bracket is connected with a first driving mechanism capable of driving it to move below the cavity plate.

In the second aspect, the embodiment of the present invention provides a working method of a multi-station automatic hot die casting device: the first worktable and the second worktable move vertically to make the cavity plate fit with the lower mold, and the lower mold Fitting with the gate plate to complete the mold closing, at this time, the gate is connected with the cavity, the runner is connected with the gate, the grouting mechanism works, and the slurry in the slurry bucket enters the mold through the grouting pipe, the runner and the gate. After the die-casting is completed, the cavity plate and the lower mold in the closed state move to the set position, and the first worktable and the second worktable move relatively far away, so that the cavity plate and the lower mold are moved away from each other. Separation, demoulding is completed, the first tray moves to the bottom of the cavity plate under the action of the first drive mechanism, the ejector rod moves in the cavity, and the die-cast blank is pushed out of the cavity, and the blank falls into the first tray.

Beneficial effects of the present invention:

1. In the automatic hot die casting device of the present invention, both the first worktable and the second worktable can move vertically, thereby realizing the automatic fitting and separation of the cavity plate and the lower mold, thereby realizing the automatic completion of mold clamping and Demoulding, without manual participation, high degree of automation, high production efficiency, improved product quality, reduced labor intensity of staff, and improved production safety.

2. The automatic hot die casting device of the present invention has a first tray and a first drive mechanism, and the vertical movement of the first worktable and the second worktable can make the first tray move to Right below the cavity plate, the upper mold drives the ejector rod to move in the cavity, which can eject the die-cast blanks and drop them into the first tray, which realizes automatic unloading, high production efficiency, and reduces the labor of the staff. Labor intensity.

Description of drawings

The accompanying drawings that constitute a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute a limitation to the present application.

1 is a schematic diagram of the overall structure of Embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of a die-casting mechanism in Embodiment 1 of the present invention;

FIG. 3 is a front view of the die-casting mechanism in Embodiment 1 of the present invention;

Fig. 4 is the detail enlarged view in Fig. 3 of the present invention;

Fig. 5 is the detail enlarged view in Fig. 4 of the present invention;

6 is a schematic diagram of the clamping state of the upper mold assembly and the lower mold assembly in Embodiment 1 of the present invention;

Fig. 7 is the exploded schematic diagram of Fig. 6 of the present invention;

8 is a front view of the clamping state of the upper mold assembly and the lower mold assembly in Embodiment 1 of the present invention;

9 is a side view of the clamping state of the upper mold assembly and the lower mold assembly in Embodiment 1 of the present invention;

10 is a schematic diagram of the cavity after mold clamping in Example 1 of the present invention;

Fig. 11 is the detail enlarged view in Fig. 10 of the present invention;

12 is a schematic structural diagram of a lower die in Embodiment 1 of the present invention;

Fig. 13 is the top view of the lower die of Example 1 of the present invention;

Figure 14 is a schematic cross-sectional view of the present invention in the direction A of Figure 13;

Figure 15 is a schematic cross-sectional view of the present invention in the direction B of Figure 13;

Figure 16 is a schematic cross-sectional view of the present invention in the direction C of Figure 15;

Fig. 17 is the detail enlarged view in Fig. 13 of the present invention;

Fig. 18 is the D-direction cross-sectional schematic diagram in Fig. 17 of the present invention;

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

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

Figure 21 is a schematic cross-sectional view taken along the C direction of Figure 20 of the present invention;

Fig. 22 is the D-direction cross-sectional schematic diagram of Fig. 20 of the present invention;

FIG. 23 is a schematic cross-sectional view of FIG. 21 in the direction A of the present invention;

FIG. 24 is a schematic cross-sectional view taken along the direction B of FIG. 20 of the present invention;

25 is a schematic structural diagram of the upper die in Embodiment 1 of the present invention;

FIG. 26 is a front view of the upper die structure of Embodiment 1 of the present invention;

Fig. 27 is the detail enlarged view in Fig. 26 of the present invention;

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

Figure 29 is a schematic cross-sectional view of the present invention in the direction A in Figure 28;

Figure 30 is a schematic cross-sectional view of the present invention in the direction B of Figure 28;

Figure 31 is a detail enlarged view of Figure 28 of the present invention;

FIG. 32 is a schematic structural diagram of the core plate of Embodiment 1 of the present invention;

Figure 33 is a top view of the core plate of the first embodiment of the present invention;

FIG. 34 is a schematic cross-sectional view of FIG. 33 in the direction A of the present invention;

FIG. 35 is a schematic cross-sectional view taken along the B direction of FIG. 33 of the present invention;

Fig. 36 is the detail enlarged view in Fig. 33 of the present invention;

Fig. 37 is the C-direction cross-sectional schematic diagram of Fig. 33 of the present invention;

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

Fig. 39 is a detail enlarged view of Fig. 38 of the present invention;

40 is a schematic structural diagram of a gate push plate in Embodiment 1 of the present invention;

Figure 41 is a schematic cross-sectional view of a mandrel in Example 1 of the present invention;

42 is a schematic structural diagram of a fixing plate in Embodiment 1 of the present invention;

Figure 43 is a top view of the fixing plate according to Embodiment 1 of the present invention;

FIG. 44 is a schematic cross-sectional view of FIG. 43 in the direction A of the present invention;

FIG. 45 is a schematic cross-sectional view of the present invention in the direction B of FIG. 43;

46 is a schematic structural diagram of a gate plate in Embodiment 1 of the present invention;

47 is a schematic cross-sectional view of a shunt channel in Embodiment 1 of the present invention;

48 is a schematic diagram of the assembly of a needle valve oil cup according to Embodiment 1 of the present invention;

49 is a schematic diagram of the assembly of the first demolding cylinder, the second demolding cylinder, the gate push plate driving cylinder and the first worktable according to Embodiment 1 of the present invention;

Figure 50 is a schematic structural diagram of the unloading mechanism in Embodiment 1 of the present invention;

Figure 51 is a front view of the unloading mechanism in Embodiment 1 of the present invention;

FIG. 52 is a schematic cross-sectional view of FIG. 51 in the direction A of the present invention;

Fig. 53 is the D-direction cross-sectional schematic diagram of Fig. 51 of the present invention;

FIG. 54 is a schematic cross-sectional view of FIG. 51 in the direction B of the present invention;

FIG. 55 is a schematic cross-sectional view taken along the C direction of FIG. 51 of the present invention;

FIG. 56 is a schematic diagram of the assembly of the first tray and the pusher driver according to Embodiment 1 of the present invention;

Fig. 57 is the exploded schematic diagram of Fig. 56 of the present invention;

58 is a schematic structural diagram of the first rack guide groove in Embodiment 1 of the present invention;

59 is a schematic structural diagram of the first rack in Embodiment 1 of the present invention;

60 is a schematic structural diagram of the first hinge buckle in Embodiment 1 of the present invention;

FIG. 61 is a schematic diagram of the assembly of the second tray and the pusher driver according to Embodiment 1 of the present invention;

Fig. 62 is the exploded schematic diagram of Fig. 61 of the present invention;

FIG. 63 is a schematic diagram of the grouting structure in Embodiment 1 of the present invention;

Fig. 64 is the exploded schematic diagram of Fig. 63 of the present invention;

Figure 65 is a cross-sectional view of the grouting mechanism in Embodiment 1 of the present invention;

FIG. 66 is a schematic structural diagram of the electric heating pipe fixing seat in Embodiment 1 of the present invention;

67 is a schematic diagram of the installation of the grouting mechanism on the support according to Embodiment 1 of the present invention;

Figure 68 is a schematic structural diagram of a blank piece processed in Example 2 of the present invention;

Figure 69 is a top view of the blank processed in Example 2 of the present invention;

Figure 70 is a bottom view of the blank piece processed in Example 2 of the present invention;

Among them, I-01-The third workbench, I-02-The third workbench tightening nut, I-03-The first demoulding cylinder, I-04-The first workbench lifting cylinder tightening nut, I-05 - Gate push plate driving cylinder, I-06- First table lift cylinder, I-07- Pin shaft, I-08- Second ejection cylinder, I-09- Nut, I-10- Stud , I-11-spring washer, I-12-guide sleeve fastening screw, I-13-guide sleeve, I-14-first table, I-15-guide rod, I-16-circulating water pump, I- 17-Circulating water pump fastening nut, I-18-Circulating water pump connecting bolt, I-19-Water tank, I-20-Support, I-21-Control box, I-22-Copper plug, I-23-Second The first lifting cylinder of the worktable, I-24-base plate, I-25-press block, I-26-press block fixing screw, I-27-lower template, I-28-gate plate, I-29-second The second lifting cylinder of the workbench, I-30-The second workbench, I-31-Needle valve oil cup, I-32-Flare type pipe joint, I-33-Double three-way, I-34-Double three-way Through bead, I-35-Double tee set screw, I-36-Cavity plate, I-37-Pin, I-38-First spacer, I-39-Upper die hinge pin, I-40- Upper mold, I-41-core plate, I-42-second spacer, I-43-gate push plate, I-44-guide column, I-45-fixed plate, I-46-gate pusher Plate Set Screw, I-47- Locating Ring Fastening Screw, I-48- Locating Ring, I-49- Spray Nozzle Set Screw, I-50- Spray Nozzle, I-51- Main Sprue Bushing, I- 52- spacer connecting screw, I-53- blank;

II-01-First pallet, II-02-Second pallet connecting bolt, II-03-Second sleeve, II-04-First pallet connecting bolt, II-05-First sleeve, II-06- Locating pin for the first rack guide groove, II-07- Fastening nut, II-08- The first gear, II-09- The first rack guide groove, II-10- The first rack, II-11- The first A hinged buckle pin, II-12-The first hinged buckle, II-13-The first cylinder fixing seat, II-14-The first cylinder fixing seat connecting bolt, II-15-The first cylinder fixing cover, II-16- The first rack-driven cylinder, II-17-The first cylinder fixing cover connecting screw, II-18-The second rack-driven cylinder, II-19-Second cylinder fixing seat, II-20-Support plate, II-21 -Second cylinder fixing cover, II-22-Second cylinder fixing seat connecting bolt, II-23-Second cylinder fixing cover connecting screw, II-24-Second hinge buckle, II-25-Second hinge buckle screw, II-26-Second rack guide groove locating pin, II-27-Second rack, II-28-Second rack guide groove, II-29-Second gear, II-30-Second tray, II -31- Thrust Ball Bearing, II-32- Third Sleeve, II-33- Fixed Spindle, II-34- First Rack Guide Slot Fastening Nut, II-35- First Rack Guide Slot Spring Washer , II-36- the first rack guide groove connecting bolt, II-37- the first cylinder fixing seat fastening nut, II-38- the first cylinder fixing seat spring washer;

III-01-Thermocouple, III-02- Oil bath tank tightening nut, III-03- Oil bath tank spring washer, III-04- Oil bath tank connecting bolt, III-05- Slurry outlet end cover, III- 06-hand hole end cap, III-07-hand hole end cap compression screw, III-08-rotating push rod, III-09-top cover, III-10-transverse clamping block, III-11-electric heating tube holder Fastening screws, III-12-Slurry drum fastening screws, III-13-Electric heating device, III-14-Grout pipe, III-15-Slurry outlet end cover sealing gasket, III-16-Slurry drum, III -17-Rubber gasket, III-18-Electric heating pipe fixing seat, III-19-Oil bath box, III-20-Electric heating pipe fastening screw, III-21-Electric heating pipe, III-22-Hand hole end cap seal Gasket, III-23-Slurry, III-24-Oil;

I-2701- Lower template positioning hole, I-2702- Gate, I-2703- Lower template cooling water channel, I-2704-First water pipe joint, I-2801- Main channel, I-2802-Split channel, I- 3601-Second water pipe joint, I-3602-Pin positioning hole, I-3603-Cavity plate cooling water channel, I-3604-Cavity;

II-0101- The first tray frame, II-0102- The third cylinder fixing cover, II-0103- The third cylinder fixing cover connecting screw, II-0104- The third driving cylinder, II-0105- The third cylinder fixing seat, II-0106-Third Cylinder Attachment Nut, II-0107-First Bracket, II-3001-Second Bracket, II-3002-Second Tray Frame, II-3003-Fourth Cylinder Retaining Cover Attachment Screw, II -3004-4th driving cylinder, II-3005-4th cylinder fixing cover, II-3006-4th cylinder fixing seat, II-3007-4th cylinder connecting nut.

Detailed ways

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the application. Unless otherwise defined, 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 should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, it only means that the directions of up, down, left and right are consistent with the drawings themselves, and do not limit the structure. It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

As described in the background art, the existing hot die casting equipment has low degree of automation, low production efficiency, and high labor intensity of staff. In view of the above problems, the present application proposes a six-station automatic hot die casting device.

In Example 1 of a typical implementation of the present application, as shown in FIGS. 1-67 , a multi-station automatic hot die casting device includes a support I-20, and a die casting mechanism I is installed on the top surface of the support One side of the die-casting mechanism is provided with an unloading mechanism II, the unloading mechanism is installed on the top surface of the support, and a grouting mechanism III is arranged inside the support below the die-casting mechanism.

The die-casting mechanism includes an upper die assembly and a lower die assembly capable of vertical movement.

The upper mold assembly includes a first worktable, a cavity plate, a core plate, a gate push plate, a fixed plate and other components. The first worktable I-14 can move vertically, and the four corners of the first worktable are A guide sleeve I-13 is provided, the guide sleeve is fixedly connected to the first worktable through the guide sleeve fastening screws I-12, and a guide rod I-15 with a vertical axis is passed through the guide sleeve. The bottom end is provided with a boss, and two limit ribs are set between the boss and the guide rod. The limit ribs are inserted into the limit slots set on the bottom plate I-24, and the bottom plate is fixed on the support. The top surface of the guide rod is matched with the limit groove and the limit rib to prevent the rotation of the guide rod around its own axis, so as to realize the fixed connection between the guide rod and the bottom plate, and the guide rod can guide the movement of the first worktable.

The bottom surface of the first worktable is fixedly connected to the fixing plate I-45 through the pressing block I-25 and the pressing block fixing screw I-26, and the bottom surface of the fixing plate is connected to the second spacer I-42 through the spacer connecting screw I-52. The top surface is connected, the bottom surface of the second spacer block is connected to the top surface of the core plate I-41 through the spacer block connecting screw, and the bottom surface of the core plate is fixed to the top surface of the first spacer block I-38 through the spacer block connecting screw connection, the bottom surface of the first spacer block is fixedly connected to the cavity plate I-36 through the spacer block connecting screw. Pins I-37 are set between the four corners of the cavity plate and the core plate to locate the assembly between the cavity plate and the core plate. The lower die assembly is matched.

The cavity plate is provided with a plurality of cavities I-3604. In this embodiment, there are twelve cavities. The cavity includes a gate portion and a molding portion located on both sides of the gate portion. The molding portion Matching the shape of the blank to be die-casting, the cavity plate is also provided with five cavity plate cooling water channels I-3603, and the two ends of the cavity plate cooling water channels are provided with second water pipe joints I-3601. Among the five second water pipe joints, along the direction perpendicular to the axis of the cooling water channel of the cavity plate, they are sequentially numbered as No. 1 joint, No. 2 joint, No. 3 joint, No. 4 joint, No. 5 joint, and the second water pipe on the other side. The joints are No. 6 joint, No. 7 joint, No. 8 joint, No. 9 joint, No. 10 joint, of which No. 1 joint and No. 4 joint are connected by hose, No. 2 joint and No. 5 joint are connected by hose, No. 3 joint The joint is not connected to the hose as the water inlet, the No. 7 joint and the No. 9 joint are connected with a hose, the No. 8 joint and the No. 10 joint are connected with a hose, and No. 6 is used as the water outlet. At this time, the five cavity plate cooling water channels can form a In the cooling water circuit, the cavity plate is also provided with pin positioning holes I-3602 for connecting with the pins.

The upper mold I-40 is arranged between the cavity plate and the core plate, and twelve groups of ejector pins are arranged on the bottom surface of the upper mold, and each group of ejector pins is provided with two. The upper mold position between the ejector pins of the same group A first mandrel through hole is opened, the position and shape of the ejector pins of the same group match the positions and shapes of the two molding parts of the same cavity, and the ejector pins extend into the molding parts of the cavity, and the ejector pins are The edge of the bottom surface has an arc transition surface inclined toward the center of the ejector rod, and each ejector pin is provided with four core holes for the core rods to pass through. The two ends of the upper die are provided with installation parts, the installation parts are provided with installation holes, and the upper die hinge pins I-39 are arranged in the installation holes. The upper die hinge pins are connected with the two second driving parts, and the two The second driving parts are the first demolding cylinder I-03 and the second demolding cylinder I-08, the first demolding cylinder and the second demolding cylinder are both passed through the nut I-09 and the stud I-10. . The spring washer I-11 is fixedly connected with the first workbench. The piston rods of the first demolding cylinder and the second demolding cylinder are hinged with the hinge pin of the upper die through the notches formed on the edges of the fixing plate and the core plate.

The bottom surface of the core plate is provided with twelve groups of core rods, each set of eight core rods, and the side edges of the ends of the core rods are ground. One side of the second mandrel through hole, the other four core rods are located on the other side of the second mandrel through hole, and are arranged symmetrically. The core hole passes through the ejector rod and extends to the outside of the ejector rod.

A gate push plate I-43 is arranged between the core plate and the fixed plate. Twelve mandrels are arranged on the bottom surface of the gate push plate, and the shape of the mandrel matches the shape of the gate portion. The rod passes through the core plate and the upper mold in sequence through the second mandrel through hole and the first mandrel through hole, and extends into the gate part of the cavity. The three driving parts are connected. The third driving part adopts the gate push plate to drive the cylinder I-05. The gate push plate driving cylinder is arranged between the first stripping cylinder and the second stripping cylinder, and the gate push plate drives the piston rod of the cylinder. The gate push plate is connected to the gate push plate by fixing screws I-46, and the edge of the bottom surface of the mandrel is provided with a chamfer.

The cavity plate is fixedly connected with the bottom end of the guide column I-44, and the top end of the guide column passes through the upper mold, the core plate and the gate push plate in sequence and is connected with the guide hole provided on the fixed plate by interference fit. The guide column is used to guide the movement of the upper mold and the gate push plate.

The cylinder body of the gate push plate cylinder is connected with the first driving member, which realizes the connection between the first worktable and the first driving member. The first driving member adopts the first worktable lifting cylinder I-06, the first The piston rod of the worktable lift cylinder is hinged with the cylinder body of the gate push plate cylinder through the pin shaft I-07, and the first worktable lift cylinder is fixed on the third worktable I through the first worktable lift cylinder fastening nut I-04 On -01, the third worktable is fixed to the top of the guide rod. Specifically, the top of the guide rod is provided with a threaded section with a diameter smaller than that of the guide rod to form a stepped surface. The bottom surface of the third worktable is in contact with the stepped surface. The third worktable tightening nut I-02 is tightened to realize the connection of the third worktable, the guide rod and the bottom plate as a whole.

The lower die assembly includes a second workbench I-30, the second workbench is located below the first workbench, and four corners of the second workbench are provided with guide sleeves, which are fixed to the second workbench connection, the second worktable can move vertically along the guide rod through the guide sleeve, the second worktable is connected with the fourth driving member, and the fourth driving member adopts the first lifting cylinder I-23 of the second worktable and the The second lift cylinder I-29 of the second workbench, the second workbench is connected with the first lift cylinder of the second workbench and the piston rod of the second lift cylinder of the second workbench by bolts, the second workbench is first lifted The cylinder and the second lifting cylinder of the second worktable are fixed on the support.

The central part of the second worktable has a fixed lower mold I-27 through the pressing block and the pressing block fixing screw. Alignment, both sides of the gate are provided with core bosses that match the blanks to be processed, five lower template cooling water channels I-2703 are arranged in the lower mold, and both ends of the lower template cooling water channels are provided with first water pipe joints I- 2704, the first water pipe joint is connected by a hose, and the connection method is the same as that of the second water pipe joint and the hose connection, which will not be repeated here. One of the second water pipe joints is used as the water inlet, and the other second water pipe joint is used as For the water outlet, the lower mold is also provided with a lower template positioning hole I-2701. The lower template positioning hole can cooperate with the position where the pin I-37 extends below the cavity plate for the positioning of the mold clamping. The positioning hole The top edge is chamfered for easy mold clamping.

In this embodiment, both the first water pipe joint and the second water pipe joint serving as the water inlet are connected to the water supply mechanism, and the water supply mechanism can pass cooling water into the lower mold and the cavity plate through the first water pipe joint and the second water pipe joint. Quickly cool the cavity plate and the lower mold to facilitate the rapid setting of the blank.

The water supply mechanism includes a water tank I-19, the water tank is fixedly connected to the circulating water pump I-16 through the circulating water pump tightening nut I-17, the circulating water pump connecting bolt I-18, and the circulating water pump is connected to the double tee I-33 through the pipeline. The water inlet is connected, the double tee is connected with the double tee pressure strip I-34 through screws, the double tee pressure strip is fixed on the support through the double tee fixing screw I-35, and the water inlet and outlet of the double tee are provided with Flare type pipe joint I-32, one of the horizontal water outlet of the double tee is connected to the first water pipe joint as the water inlet through the pipeline, and the other vertical water outlet is connected to the second water pipe as the water inlet through the pipeline The joints are connected. The first water pipe joint and the second water pipe joint as the water outlet are respectively connected to the return port at the top of the double tee and the horizontal return port through the pipeline. The outlet of the double tee is connected with the two return ports, and is The road is connected with the water tank, and the cooling water in the water tank can enter the double three-way under the action of the circulating pump, one way enters the lower mold, and the other enters the cavity plate. After the inner confluence, it flows back to the water tank through the outlet of the double tee.

In this embodiment, the first workbench and the second workbench are both provided with two lubricating oil passages, the lubricating oil passages are aligned with the guide sleeve, and both ends of the lubricating oil passages are blocked by copper plugs I-22. The copper plug is threadedly connected with the first workbench and the second workbench, and the top surfaces of the first workbench and the second workbench are both threadedly connected with a needle valve type oil cup I-31, and the needle valve type oil cup is communicated with the lubrication channel , You can add lubricating oil into the lubricating oil channel through the needle valve oil cup, which can lubricate the guide sleeve in time and reduce the wear.

The grouting mechanism includes a gate plate I-28, the bottom surface of the gate plate is provided with a boss, and the gate plate is connected with the bottom plate through the boss and the installation groove set on the bottom plate.

A runner is opened on the surface of the sprue plate. The runner includes a main runner I-2801 and a branch runner I-2802. The main runner is located at the center of the sprue plate, and the branch runners are symmetrically arranged on both sides of the main runner. , which can make the slurry from the main channel evenly reach each gate and fill each cavity at the same time. The cross-section of the runner is trapezoidal, which is convenient for processing, and the compact arrangement of the runners reduces the size of the mold and shortens the stroke, making the slurry The temperature pressure loss is minimized when reaching each gate.

The sprue plate can be in contact with the lower mold fixed on the second table through the opening in the center of the second table, and the end of the runner is aligned with the gate of the lower mold, so that the slurry in the runner can enter the runner mouth.

The central part of the sprue plate is provided with a main runner bushing I-51, the main runner bushing is communicated with the main runner, and the main runner bushing is pressed by the positioning ring I-48 and the positioning ring tightening screw I-47. Tightly on the sprue plate, there is a spray nozzle I-50 under the main runner bushing, the nozzle is fixed on the bottom plate by the nozzle tightening screw I-49, the nozzle is connected with the main runner bushing, sprays The slurry in the nozzle can enter the main runner through the main runner bushing. The positioning ring and the main runner bushing are separately designed to ensure the neutrality between the nozzle and the nozzle and facilitate disassembly. The sprue in the sprue bush is conical, with a small height, and a circular cross-section is used to facilitate the escape of condensate in the sprue, and the pressure loss and slurry loss are small.

The spray nozzle is connected to one end of the grouting pipe III-14, and the other end of the grouting pipe extends into the slurry barrel III-16, which is arranged inside the support and used to hold the slurry III-23. The top of the bucket is fixedly connected to the cover III-09 through the tightening screw III-12 of the slurry bucket. A rubber gasket III-17 is arranged between the top cover and the top of the slurry bucket. The outer periphery of the bucket is provided with an oil bath tank III- 19. The oil bath is used to hold the oil material Ⅲ-24. The top of the oil bath is fixedly connected to the top cover through the oil bath fastening nut Ⅲ-02, the oil bath spring washer Ⅲ-03 and the oil bath connecting bolt Ⅲ-04 , the space between the barrel and the oil bath is provided with an electric heating pipe fixing seat III-18, the electric heating pipe fixing seat is fixedly connected with the top cover through the electric heating pipe fixing seat fastening screw III-11, and the four corners of the electric heating pipe fixing seat are fixedly connected to the top cover. There is a heating element, the heating element adopts electric heating tube III-21, and the electric heating tube is fixedly connected with the electric heating tube fixing seat through the electric heating tube fastening screw III-20. The electric heating tube can heat the oil in the oil bath box, so that the slurry The thermal insulation of the slurry in the barrel avoids the slurry solidification, ensures the uniformity of the slurry, and thus ensures the molding quality. The grouting pipe is fixedly connected with the slurry outlet end cover III-05, the slurry outlet end cover is threadedly connected with the top cover, and the slurry outlet end cover sealing ring III-15 is arranged between the slurry outlet end cover and the top cover. , the part of the outer periphery of the grouting pipe close to the end cover is covered with an electric heating device III-13 to prevent condensation and blockage of the slurry. The top cover part between the slurry barrel and the oil bath is also threadedly connected with a thermocouple III-01, whose function is to convert the temperature signal of the oil in the oil bath into a thermoelectromotive force signal, through the electrical instrument (secondary instrument) The temperature converted to oil is displayed on the control box I-21, which is fixed to the top surface of the support. The top cover is also provided with a hand hole, through which material is added and washed in the material bucket of the hand hole box. The hand hole is provided with a hand hole end cover III-06, between the hand hole end cover and the top cover. The hand hole end cap sealing ring III-22 is provided, the hand hole end cap is pressed by the hand hole end cap pressing screw III-07, and the hand hole end cap pressing screw is connected with the lateral clamping block III-10 threadedly. The two ends of the clamping block are slidably connected to the limit rod fixed on the top cover through the chute, the top of the hand hole end cover pressing screw passes through the rotating push rod III-08, and the hand hole end cover is rotated by the rotating push rod to press the screw rod. The lateral clamping block moves upward along the limit rod until it touches the limit boss at the top of the limit rod. At this time, the lateral clamping block cannot continue to move upward. Continue to rotate the hand hole end cover to hold the screw, and the hand hole end cover to hold the screw There is a tendency for a downward movement to compress the hand hole end cap against the top cap. When removing the hand hole end cover, rotate the hand hole end cover to compress the screw in the opposite direction. At this time, the lateral clamping block moves down until it contacts with the hand hole end cover and cannot move further. Continue to rotate the hand hole end cover to compress the screw. The hole end cover pressing screw moves upward until it is separated from the lateral clamping block. At this time, it contacts the pressing state of the hand hole end cover, remove the transverse clamping block, and use a tool to pry open the hand hole end cover to complete the opening of the hand hole.

The slurry barrel is connected to an external compressed air source through a compressed air pipe installed with a solenoid valve. The external compressed air source can inject compressed air into the slurry barrel through the solenoid valve, and press the slurry into the grouting pipe. The solenoid valve is connected with the control. The box is connected, and its work is controlled by the control box.

The unloading mechanism is arranged on one side of the die-casting mechanism and fixed on the top surface of the support, including an L-shaped support plate II-20, the support plate is fixedly connected to the support, and one end of the support plate is connected to the fixed center. The bottom end of the shaft II-33 is fixedly connected, the support plate is provided with a first driving mechanism and a second driving mechanism arranged up and down, the first driving mechanism is connected with the first tray, and the second driving mechanism is connected with the second tray.

The first drive mechanism includes a first unloading drive, and the unloading drive adopts a first rack-driven cylinder II-16, and the first rack-driven cylinder is fixed on the first cylinder fixing cover II-15 and the first cylinder. In the fixing cavity formed by the cylinder fixing base II-13, the first cylinder fixing cover and the first cylinder fixing base are fixed by the first cylinder fixing cover connecting screw II-17, and the first cylinder fixing base is fixed by the first cylinder fixing base connecting bolt II -14. The first cylinder fixing seat tightening nut II-37 and the first cylinder fixing seat spring washer II-38 are fixed on the support plate, and the piston rod of the first rack-driven cylinder passes through the first hinge pin II- 11. The first hinged buckle II-12 is connected with the first rack II-10, the first rack is slidably connected with the first rack guide groove II-09, and the first rack guide groove passes through two diagonally arranged The first guide groove positioning pin II-06 cooperates with the positioning hole on the support plate for positioning, and the first rack guide groove is used to fasten the nut II-34, the first rack guide groove spring washer II-35, and the first rack The guide groove connecting bolt II-36 is fixedly connected with the support plate, the first rack is meshed with the first gear II-08, and the first gear is rotatably connected with the fixed mandrel through the thrust ball bearing II-31. The edge is fixedly connected to one end of the first connecting piece through the first tray connecting bolt II-04. In this embodiment, the first connecting piece connected to the edge of the first rack adopts a V-shaped structure, including a first connecting piece arranged at an obtuse angle. A connecting part and a second connecting part, the end of the first connecting part is fixedly connected with the first gear, the second connecting part is fixed with a first tray II-01, and the first tray includes a first bracket II-0107 and the first tray frame II-0101, the second connecting part is fixedly connected with the first bracket, the top surface of the second connecting part is provided with a pusher driving part, and the pushing material driving part adopts the third driving cylinder II-0104 , the third driving cylinder is fixed with the second connecting part through the third cylinder fixing cover II-0102 and the third cylinder fixing seat II-0105, and the third cylinder fixing cover and the third cylinder fixing seat are connected by the third cylinder fixing cover connecting screw II -0103 Fix, form a cavity for fixing the third cylinder. The piston rod of the third cylinder is connected to the first tray frame II-0101 through the third cylinder connecting nut II-0106, the first tray frame can be set at the edge of the first tray, and the third cylinder can drive the first tray frame to move , and then push out the material on the first tray.

The second drive mechanism includes a second unloading drive, the second unloading drive adopts a second rack-driven cylinder II-18, and the second rack-driven cylinder is fixed on the second cylinder fixing cover II- 21 and the fixing cavity formed by the second cylinder fixing base II-19, the second cylinder fixing cover and the second cylinder fixing base are fixed by the second cylinder fixing cover connecting screw II-23, and the second cylinder fixing base is fixed by the second cylinder The seat connecting bolt II-22 is fixed on the support plate, and the piston rod of the second rack driving cylinder is connected with the second rack II-27 through the second hinge buckle II-24 and the second hinge buckle screw II-25, The second rack is slidably connected with the second rack guide groove II-28, and the second rack guide groove is matched with the positioning holes on the support plate through two second rack guide groove positioning pins II-26 arranged diagonally. Position it and fix it with the support plate through bolts. The second rack meshes with the second gear II-29, the second gear is rotatably connected to the fixed spindle through a thrust ball bearing, and the edge of the second gear is connected to the connecting piece through the second tray connecting bolt II-02 It is fixedly connected with the second connecting piece. The second connecting piece adopts an L-shaped structure and includes a vertically arranged third connecting part and a fourth connecting part. The third connecting part is fixedly connected with the edge position of the second gear, and the fourth connecting part is connected The second tray is fixedly connected to the second tray II-30, the second tray includes a second bracket II-3001 and a second tray frame II-3002, the second bracket is fixedly connected to the fourth connecting part, and the second tray is The fourth connecting part is also provided with a material pushing driving member, and the material pushing driving member adopts the fourth driving cylinder II-3004, and the fourth driving cylinder passes through the fourth cylinder fixing seat II-3006 and the fourth cylinder fixing cover II- The fixing cavity formed by 3005 is fixed, the fourth cylinder fixing seat and the fourth cylinder fixing cover are fixed by the fourth cylinder fixing cover connecting screw II-3003, and the piston rod of the fourth cylinder is connected with the fourth cylinder connecting nut II-3007 through the fourth cylinder connecting nut II-3007. Two tray frames II-3002 are connected, the second tray frame can be set at the edge of the second bracket, the fourth cylinder pushes the second tray frame to move, and can push out the materials in the second bracket.

In this embodiment, the fixed mandrel is covered 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, thrust ball bearing, the first sleeve II-05, and the top of the fixed mandrel, tighten the tightening nut II-07, and press and fix the above 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 this embodiment, all the working cylinders, circulating water pumps, solenoid valves, thermocouples, electric heating pipes, electric heating devices and other components are connected to the control box, and the control box controls them to work automatically.

Example 2:

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

In the initial state, the third worktable is located above the gate plate and maintains a set distance, the cavity plate and the lower mold are in a separated state, the gate push plate and the fixed plate are in a fit state, and the upper mold and the core plate are in a fit state status, this position is a station.

Under the control of the control box, compressed air is input into the air intake cavity of the lifting cylinder of the first worktable to push the first worktable downward, while the first lifting cylinder of the second worktable and the exhaust chamber of the second lifting cylinder of the second worktable are input Compressed air, the third table goes down, the cavity plate is attached to the lower mold, the lower mold is attached to the gate plate, and the mold is closed. The cavity wall of the cavity, the bottom surface of the ejector pin, the upper surface of the lower mold, and the core convex The table and the core rod form a cavity for grouting. This position is the second station. The control core rod extends into the cavity of the cavity, and the bottom is flush with the bottom surface of the cavity. Because the edge of the bottom surface of the core rod has a chamfered structure , By cooperating with the gate in the lower mold, a small grouting port is formed, which accelerates the slurry from the runner to quickly fill the cavity, and the mold filling is easy. Because the size of the gate is much smaller than that of the cavity, after the cavity is filled with slurry, the gate can be quickly cooled and closed to prevent the backflow of the slurry, and it is also easy to separate the gate condensate from the blank. In addition, the small gate has greater frictional resistance to the melt, resulting in a significant increase in melt temperature, a decrease in viscosity, and an increase in fluidity, which is conducive to the formation of thin-walled complex products and the obtaining of clear-shaped blanks; the small gate has It is conducive to the separation of the runner condensate and the blank, and it is convenient to automatically cut off the gate, so as to facilitate the correction of the blank, and the traces are small; the small gate shortens the molding cycle and improves the production rate. The small gate can control and shorten the packing and packing time to reduce the internal stress of the blank and prevent deformation and cracking.

The air intake chamber of the lifting cylinder of the first worktable, the exhaust chamber of the first lifting cylinder of the second worktable, and the exhaust chamber of the second lifting cylinder of the second worktable continue to maintain the pressure-holding state, the solenoid valve is opened, the compressed air is injected into the slurry barrel, and the slurry After passing through the grouting pipe, the nozzle, the main runner bushing, the main runner and the branch runner, it enters the cavity, completes the die casting, and forms the blank I-53. The blank structure is shown in Figure 68-Figure 70. Station.

The first lifting cylinder of the second worktable and the second lifting cylinder of the second worktable input compressed air into the intake cavity, and the exhaust cavity of the lifting cavity of the first worktable input compressed air, so that the first worktable and the second worktable are simultaneously upward Move to the set position and keep the mold clamping state unchanged. At the same time, the air inlet cavity of the second rack driving cylinder enters compressed air, the second rack pushes the second gear to rotate 90°, and the second bracket moves until the lower mold is positive. Below, at this time, the gate push plate is pressurized and descended under the action of the gate push plate cylinder to push out the slurry port waste in the gate of the lower mold to complete the removal of the grouting port. At the same time, the second rack drives the cylinder exhaust cavity for input. Compressed air, the second rack pushes the second gear to rotate 90° in the opposite direction to take away the waste from the pulp port, and then the air intake chamber of the fourth driving cylinder enters the compressed air, pushes the frame of the second tray to slide, and pushes the second tray into the second bracket. At the same time, the fourth driving cylinder is reset, at this time it is a four-station.

The first worktable lifts the cylinder exhaust cavity to input compressed air, the first worktable moves up, the cavity plate is separated from the lower mold, and the demoulding is completed. At this time, it is five stations.

The first rack drive cylinder pushes the first rack to move and drives the first gear to rotate, so that the first bracket is located under the cavity plate, and at the same time, the upper mold is pushed down by the first and second demolding cylinders. , push the die-cast blanks out of the cavity and fall into the first bracket, the first rack drives the cylinder to push the first rack to move, drives the first gear to rotate in the reverse direction, and takes the blanks and the first bracket away , and then the third drive cylinder pushes the frame of the first tray to slide, pushes the blank I-53 away, and the piston rod of the third drive cylinder is reset. At this time, it is six stations. So far, the entire die-casting process is completed, that is, these six stations Complete the six processes of mold clamping, grouting, pressure keeping, cutting grouting port, demoulding, and embryo production in sequence, and automatically complete the hot die casting to form the embryo. Labor intensity.

Although the specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, they do not limit the scope of protection of the present invention. Those skilled in the art should understand that on the basis of the technical solutions of the present invention, those skilled in the art do not need to pay creative work. Various modifications or deformations that can be made are still within the protection scope of the present invention.

Claims (10)

1. a multi-station automatic hot die casting device, is characterized in that, comprises: Die-casting mechanism: including an upper mold assembly and a lower mold assembly, the upper mold assembly includes a first worktable that can move vertically, the first worktable is fixedly connected with the cavity plate, the cavity plate has a cavity, and the cavity plate is The upper mold is provided with an upper mold, and 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 assembly includes a second worktable that can move vertically, and the second worktable is fixed. There is a lower mold with a gate; Grouting mechanism: including a slurry bucket, the slurry bucket is connected to the sprue plate through a grouting pipe, the sprue plate is provided with a runner that communicates with the grouting pipe, and the runner can be communicated with the gate; Unloading mechanism: including a first bracket, the first bracket is connected with a first driving mechanism capable of driving it to move below the cavity plate. 2 . The multi-station automatic hot die casting device according to claim 1 , wherein the cavity plate is fixedly connected to the core plate arranged above it, and the core plate is fixed to the first worktable, 2 . The first worktable is connected with the first drive member fixed on the third worktable, the third worktable is fixedly arranged, the upper die is arranged between the cavity plate and the core plate, and the upper die is connected to the third workbench fixed on the second workbench. The two driving members are connected, and the second driving member can drive the upper die to move, thereby driving the ejector rod to move in the cavity. 3 . The multi-station automatic hot die casting device according to claim 1 , wherein a gate push plate is provided above the upper mold, and the gate push plate is provided with a pass through the upper mold and the cavity. 4 . A mandrel that can extend into the gate, the edge of the bottom end of the mandrel is provided with a chamfer, and the gate push plate is connected to the third driving member arranged on the first worktable, and the third driving member can drive the mandrel to extend into the gate. in the gate. 4. The multi-station automatic hot die casting device according to claim 1, wherein the cavity plate and the lower mold are provided with cooling water channels, the cooling water channels are connected with the water supply mechanism, and the water supply mechanism can send the Cooling water is introduced into the cooling water channel. 5 . The multi-station automatic hot die casting device according to claim 1 , wherein the second worktable is connected with a fourth driving member, and the fourth driving member can drive the second worktable to move vertically, 6 . The fourth driving member is fixedly arranged. 6 . The multi-station automatic hot die casting device according to claim 1 , wherein the gate plate is provided with a main runner bushing, the main runner bushing is communicated with the runner, and the The main runner bushing is also communicated with the injection nozzle, the injection nozzle is fixedly arranged, and the injection nozzle is connected with the grouting pipe. 7 . The multi-station automatic hot die casting device according to claim 1 , wherein the slurry barrel is arranged inside the oil bath, and the space between the slurry barrel and the oil bath is provided with a heating element. 8 . 8 . The multi-station automatic hot die casting device according to claim 1 , wherein the unloading mechanism further comprises a second bracket, and the second bracket can be driven to move below the lower die. 9 . connected to the second drive mechanism. 9 . The 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 fixed support plate, and both include a discharge driving member, 10 . The unloading driving part is fixed on the support plate, the unloading drive part is connected with the rack, the rack is slidably connected with the support plate, the rack is meshed with the gear, the gear is rotatably connected with the fixed mandrel fixed on the support plate, the gear The edge is connected with one end of the connecting piece, the connecting piece of the first driving mechanism is connected with the first bracket, and the connecting piece of the second driving mechanism is connected with the second bracket; Further, the connecting parts of the first drive mechanism and the second drive mechanism are both fixed with pusher drive parts, and the pusher drive parts are connected with the frame of the tray and can drive the frame of the tray to move, and the first bracket and the second frame are moved. The material on the second bracket is pushed out. 10. A working method of the multi-station automatic hot die casting device according to any one of claims 1-9, characterized in that the first worktable and the second worktable move vertically, so that the cavity plate and the lower The mold is attached, the lower mold is attached to the gate plate, and the mold is closed. At this time, the gate is connected to the cavity, the sprue is connected to the gate, the grouting mechanism works, and the slurry in the slurry barrel passes through the grouting pipe, pouring The channel and gate enter the cavity for die-casting. After the die-casting is completed, the cavity plate and the lower die in the closed state move to the set position, and the first worktable and the second worktable move relatively far away, so that the The cavity plate is separated from the lower mold, and the demoulding is completed. The first tray moves to the bottom of the cavity plate under the action of the first drive mechanism, and the ejector rod moves in the cavity to push the die-cast blank out of the cavity. The blanks fall into the first tray.

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