Water gap forming mold

Abstract

The utility model provides a nozzle forming die, which relates to the technical field of submerged nozzle manufacturing tools, and comprises a nozzle forming outer die, a base plate is arranged below the nozzle forming outer die, two lateral pressing plates are movably connected onto the base plate, a nozzle die is fixedly connected onto the upper surface of the base plate, the lateral pressing plates are pulled outwards, and the nozzle die is arranged on the lower surface of the base plate. The limiting clamping strip is separated from the positioning lower edge, so that the limiting of the lateral pressing plate on the water gap forming outer mold can be relieved, the base plate can be quickly separated from the water gap forming outer mold, the decomposition convenience of the water gap forming mold can be further improved, and the problem that a traditional submersed water gap manufacturing mold is a combined mold and cannot be disassembled easily is solved. The problems that when a mold is used, the mold needs to be assembled, mold parts are fixed through tools, when a green body is demolded, a locking structure outside the mold needs to be removed to decompose the mold, the using process of the mold is tedious, operation is not convenient enough, and the production efficiency of the submersed nozzle is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of immersed nozzle manufacturing tools, in particular to a nozzle forming die. Background Art

[0002] When manufacturing the submerged nozzle, the raw materials for manufacturing the submerged nozzle are placed in a mixing device, fully stirred and mixed by the mixing device, and the mixed composite powder is placed in a mold, and isostatic pressing is performed to form a green body of the required shape. The green body is then placed in a high-temperature furnace and sintered at a high temperature to form a product with a certain strength.

[0003] The traditional mold for manufacturing submerged nozzles is a combined mold. The mold needs to be assembled when used, and the mold parts are fixed by tools. When the green body is demolded, the locking structure outside the mold needs to be released to disassemble the mold. The use process of the mold is cumbersome and the operation is not convenient, which affects the production efficiency of the submerged nozzle. Utility Model Content

[0004] The disclosed embodiment relates to a sprue forming mold to solve the problem that the traditional immersion sprue manufacturing mold is a combined mold, which needs to be assembled when used, and the mold parts are fixed by tools. When the green body is demolded, the locking structure outside the mold needs to be released to disassemble the mold. The use process of the mold is cumbersome and the operation is not convenient, which affects the production efficiency of the immersion sprue.

[0005] According to a first aspect of the present disclosure, a sprue forming mold is provided, specifically comprising: a sprue forming outer mold, a base plate is provided below the sprue forming outer mold, two lateral pressure plates are movably connected to the base plate, a sprue mouth mold is fixedly connected to the upper surface of the base plate, a sprue core mold is fixedly connected above the sprue mouth mold, a mold end plug is installed at the upper end of the sprue forming outer mold, and an end plug reinforcement cover is connected to the outer sleeve of the mold end plug.

[0006] In at least some embodiments, the lower edge of the outer surface of the sprue forming outer mold is processed with a positioning lower edge, the cross-section of the positioning lower edge is a wedge-shaped structure, and the outer surface of the opening position of the sprue forming outer mold is provided with an upper concave ring with an inner concave structure.

[0007] In at least some embodiments, a guide locking sleeve is fixedly connected to the left and right sides of the upper surface of the base plate respectively, the guide locking sleeve is a "U"-shaped sleeve, a locking sleeve pull plate is fixedly connected to the inner edge of the upper surface of the guide locking sleeve, and two locking sleeve top springs are fixedly connected to the inner surface of the locking sleeve pull plate.

[0008] In at least some embodiments, the lateral pressure plate is a folding plate with an "L"-shaped structure, the lateral pressure plate is slidably connected inside the guide locking sleeve, and the outer edge of the lateral pressure plate is bent upward to form a limiting folded edge.

[0009] In at least some embodiments, the inner edge of the lateral pressure plate is fixedly connected to a limit clip strip, the cross-section of the limit clip strip is a wedge-shaped structure, the limit clip strip is an arc-shaped structure, and the inclined surface of the limit clip strip faces inward and upward.

[0010] In at least some embodiments, a rubber limiting wedge ring is provided downwardly on the outer edge of the mold end plug, the cross section of the rubber limiting wedge ring is a wedge-shaped structure, and the inclined surface of the rubber limiting wedge ring faces outwardly and downwardly.

[0011] In at least some embodiments, a guide stud of a stud structure is fixedly connected to the middle of the upper surface of the mold end plug.

[0012] In at least some embodiments, a spiral sleeve is provided above the end plug reinforcement cover, the axis of the spiral sleeve is colinear with the axis of the end plug reinforcement cover, the lower edge of the end plug reinforcement cover is bent inward to form a lower concave edge, and the inner surface of the lower concave edge is in contact with the outer surface of the rubber limiting wedge ring.

[0013] The utility model provides a nozzle forming mold, which has the following beneficial effects:

[0014] The immersion nozzle forming mold in the utility model is made of a combination of multiple parts. The nozzle forming outer mold, the nozzle mouth mold, the nozzle core mold and the mold end plug can be separated. The nozzle mouth mold is installed at the bottom of the nozzle forming outer mold through the connection between the base plate, the lateral pressure plate and the nozzle forming outer mold, and the top of the base plate is sealed by the mold end plug, so that the mold structure is compact and the positioning is reliable.

[0015] In addition, in the sprue forming mold in the present application, the sprue mouth mold is positioned by cooperating with the base plate and the lateral pressure plate. Under normal circumstances, the lateral pressure plate is pushed inward by the locking sleeve top spring, and the limiting strip is located above the positioning lower edge. The base plate and the sprue forming outer mold are locked by the lateral pressure plate. When the sprue mouth mold and the sprue forming outer mold are separated, the lateral pressure plate is pulled outward to move the lateral pressure plate outward to separate the limiting strip from the positioning lower edge. The limiting effect of the lateral pressure plate on the sprue forming outer mold can be released, so that the base plate can be quickly separated from the sprue forming outer mold, which can further improve the convenience of disassembly of the sprue forming mold.

[0016] In addition, Fu'an installs a mold end plug on the sprue forming outer mold, and the mold is blocked by inserting the mold end plug into the upper port of the sprue forming outer mold. Through the cooperation of the end plug reinforcement cover and the guide stud, the end plug reinforcement cover can be rotated to move it upward, so that the lower concave edge moves upward, and under the action of the wedge surface of the lower concave edge and the wedge surface of the rubber limiting wedge ring fitting together, the rubber limiting wedge ring deforms and shrinks inward and fits together with the upper concave ring, which can further improve the sealing effect of the mold end plug on the sprue forming outer mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0018] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture:

[0020] Figure 1 A schematic diagram showing the overall structure of the present application;

[0021] Figure 2 A schematic diagram showing the internal structure of the present application is shown;

[0022] Figure 3 A schematic diagram showing the structure of the end plug reinforcement cover of the present application when it is separated from the mold end plug;

[0023] Figure 4 The schematic diagram of the structure of the nozzle die of the present application is shown;

[0024] Figure 5 The schematic diagram of the structure of the mold of the present application when it is disassembled as a whole is shown;

[0025] Figure 6 A schematic diagram of the structure of the lateral pressure plate of the present application is shown;

[0026] Figure 7 This application shows Figure 2 The locally enlarged structure at point A in the middle.

[0027] Reference numerals list

[0028] 1. Outer mold for sprue forming; 101. Lower positioning edge; 102. Upper concave ring; 2. Base plate; 201. Guide lock sleeve; 202. Lock sleeve pull plate; 203. Lock sleeve top spring; 3. Lateral pressure plate; 301. Limit folded edge; 302. Limit clip strip; 4. Sprue mouth mold; 5. Sprue core mold; 6. Mold end plug; 601. Rubber limit wedge ring; 602. Guide stud; 7. End plug reinforcement cover; 701. Screw sleeve; 702. Lower concave edge. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example 1: Please refer to Figures 1 to 7 :

[0031] The utility model proposes a nozzle forming mold, comprising: a nozzle forming outer mold 1, a base plate 2 is arranged below the nozzle forming outer mold 1, two lateral pressure plates 3 are movably connected to the base plate 2, a nozzle mouth mold 4 is fixedly connected to the upper surface of the base plate 2, a nozzle core mold 5 is fixedly connected above the nozzle mouth mold 4, a mold end plug 6 is installed at the upper end of the nozzle forming outer mold 1, and an end plug reinforcement cover 7 is connected to the outer shell of the mold end plug 6. A sealed mold is formed by the cooperation of the nozzle forming outer mold 1, the nozzle mouth mold 4, the nozzle core mold 5 and the mold end plug 6, which is used for manufacturing an immersed nozzle.

[0032] In the disclosed embodiment, a positioning lower edge 101 is processed on the lower edge of the outer surface of the sprue forming outer mold 1, and the cross-section of the positioning lower edge 101 is a wedge-shaped structure. The outer surface of the opening position of the sprue forming outer mold 1 is provided with an upper concave ring 102 with an inner concave structure; a guide locking sleeve 201 is fixedly connected to the left and right sides of the upper surface of the base plate 2, respectively, and the guide locking sleeve 201 is a "U"-shaped sleeve body, and a locking sleeve pull plate 202 is fixedly connected to the inner edge of the upper surface of the guide locking sleeve 201, and two locking sleeve top springs 203 are fixedly connected to the inner surface of the locking sleeve pull plate 202; the lateral pressure plate 3 is a folding plate of an "L"-shaped structure, and the lateral pressure plate 3 is slidably connected to the inside of the guide locking sleeve 201, and the outer edge of the lateral pressure plate 3 is bent upward to process a limiting folded edge 301; the inner edge of the lateral pressure plate 3 is fixedly connected to a limiting clamping strip 302, the cross-section of the limit card strip 302 is a wedge-shaped structure, the limit card strip 302 is an arc-shaped structure, and the inclined surface of the limit card strip 302 faces inward and upward; under normal conditions, the lateral pressure plate 3 is pushed inward by the elastic force of the locking sleeve top spring 203, and the limit card strip 302 is located above the positioning lower edge 101, and the base plate 2 and the sprue forming outer mold 1 are locked by the lateral pressure plate 3. When the sprue mouth mold 4 and the sprue forming outer mold 1 are separated, the lateral pressure plate 3 is pulled outward to move the lateral pressure plate 3 outward to separate the limit card strip 302 from the positioning lower edge 101, so that the lateral pressure plate 3 can release the limit on the sprue forming outer mold 1, so that the base plate 2 can be quickly separated from the sprue forming outer mold 1, which can further improve the convenience of disassembly of the sprue forming mold and improve the assembly and separation efficiency of the mold.

[0033] Embodiment 2: On the basis of embodiment 1, a rubber limiting wedge ring 601 is provided downwardly on the outer edge of the mold end plug 6, the cross section of the rubber limiting wedge ring 601 is a wedge-shaped structure, and the inclined surface of the rubber limiting wedge ring 601 faces outward and downward; a guide stud 602 of a stud structure is fixedly connected in the middle of the upper surface of the mold end plug 6; a spiral sleeve 701 is provided above the end plug reinforcement cover 7, the axis of the spiral sleeve 701 is colinear with the axis of the end plug reinforcement cover 7, and the lower edge of the end plug reinforcement cover 7 is bent inwardly to form a lower concave edge 702, and the inner surface of the lower concave edge 702 is in contact with the outer surface of the rubber limiting wedge ring 601 When the mold end plug 6 is inserted into the upper port of the sprue forming outer mold 1, the end plug reinforcement cover 7 is rotated, and the end plug reinforcement cover 7 is moved longitudinally through the spiral connection between the spiral sleeve 701 and the guide stud 602. When the end plug reinforcement cover 7 moves upward, the lower concave edge 702 fits with the outer surface of the rubber limiting wedge ring 601, and as the end plug reinforcement cover 7 moves upward, the lower concave edge 702 pushes the rubber limiting wedge ring 601 upward, so that the rubber limiting wedge ring 601 is deformed and bent toward the center and fits with the upper concave ring 102, which can further improve the tightness of the connection between the mold end plug 6 and the sprue forming outer mold 1.

[0034] The working principle of this embodiment is as follows: first, place the nozzle forming outer mold 1 above the base plate 2, and insert the nozzle mouth mold 4 and the nozzle core mold 5 into the nozzle forming outer mold 1, push the nozzle forming outer mold 1 downward, make the positioning lower edge 101 contact with the limiting card strip 302, and extrude the lateral pressure plate 3 outward, and continue to push the nozzle forming outer mold 1 downward, so that the nozzle forming outer mold 1 fits the upper surface of the base plate 2, and the lateral pressure plate 3 moves inward under the action of the locking sleeve top spring 203, so that the limiting card strip 302 is located above the positioning lower edge 101, and the positioning lower edge 101 is limited, so that the nozzle forming outer mold 1 is fixedly connected to the base plate 2, and then the mixed composite powder is put into the mold, and when the mold end plug 6 is inserted into the upper port of the nozzle forming outer mold 1, the end plug The reinforcement cover 7 rotates, and the end plug reinforcement cover 7 moves longitudinally through the spiral connection between the spiral sleeve 701 and the guide stud 602. When the end plug reinforcement cover 7 moves upward, the lower concave edge 702 fits with the outer surface of the rubber limiting wedge ring 601, and as the end plug reinforcement cover 7 moves upward, the lower concave edge 702 pushes the rubber limiting wedge ring 601 upward, so that the rubber limiting wedge ring 601 is deformed and bent toward the center and fits with the upper concave ring 102, which can further improve the connection tightness between the mold end plug 6 and the sprue forming outer mold 1, and the green body of the required shape is formed through isostatic pressing. Finally, the base plate 2, the mold end plug 6, and the end plug reinforcement cover 7 are disassembled from the sprue forming outer mold 1, and the green body inside the sprue forming outer mold 1 is taken out, and the green body is taken out and put into a high-temperature furnace for sintering.

[0035] In this article, there are a few points to note:

[0036] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0037] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0038] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A nozzle forming mold, comprising: A sprue forming outer mold (1), characterized in that a base plate (2) is provided below the sprue forming outer mold (1), two lateral pressure plates (3) are movably connected to the base plate (2), a sprue mouth mold (4) is fixedly connected to the upper surface of the base plate (2), a sprue core mold (5) is fixedly connected above the sprue mouth mold (4), a mold end plug (6) is installed at the upper end of the sprue forming outer mold (1), and an end plug reinforcement cover (7) is connected to the outer shell of the mold end plug (6).

2. A nozzle forming mold according to claim 1, characterized in that: The lower edge of the outer surface of the sprue forming outer mold (1) is processed with a positioning lower edge (101), the cross section of the positioning lower edge (101) is a wedge-shaped structure, and the outer surface of the opening position of the sprue forming outer mold (1) is provided with an upper concave ring (102) with an inner concave structure.

3. A nozzle forming mold according to claim 1, characterized in that: A guide lock sleeve (201) is fixedly connected to the left and right sides of the upper surface of the base plate (2), respectively. The guide lock sleeve (201) is a "U"-shaped sleeve body. A lock sleeve pull plate (202) is fixedly connected to the inner edge of the upper surface of the guide lock sleeve (201), and two lock sleeve top springs (203) are fixedly connected to the inner surface of the lock sleeve pull plate (202).

4. A nozzle forming mold according to claim 1, characterized in that: The lateral pressure plate (3) is a folded plate with an "L"-shaped structure. The lateral pressure plate (3) is slidably connected to the inside of the guide locking sleeve (201), and the outer edge of the lateral pressure plate (3) is bent upward to form a limiting folded edge (301).

5. A nozzle forming mold according to claim 4, characterized in that: The inner edge of the lateral pressure plate (3) is fixedly connected to a limit clamping strip (302), the cross section of the limit clamping strip (302) is a wedge-shaped structure, the limit clamping strip (302) is an arc-shaped structure, and the inclined surface of the limit clamping strip (302) faces inward and upward.

6. A nozzle forming mold according to claim 1, characterized in that: A rubber limiting wedge ring (601) is provided downwardly on the outer edge of the mold end plug (6). The cross section of the rubber limiting wedge ring (601) is a wedge-shaped structure, and the inclined surface of the rubber limiting wedge ring (601) faces outward and downward.

7. A nozzle forming mold according to claim 6, characterized in that: A guide stud (602) of a stud structure is fixedly connected in the middle of the upper surface of the mold end plug (6).

8. A nozzle forming mold according to claim 6, characterized in that: A spiral sleeve (701) is provided above the end plug reinforcement cover (7), the axis of the spiral sleeve (701) is colinear with the axis of the end plug reinforcement cover (7), the lower edge of the end plug reinforcement cover (7) is bent inward to form a lower concave edge (702), and the inner surface of the lower concave edge (702) is in contact with the outer surface of the rubber limit wedge ring (601).

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