Method for reinforcing large heavy wax pattern module

Abstract

The invention relates to the technical field of casting, in particular to a reinforcing method of a large heavy wax mold module, which comprises the following steps: embedding a core rod in a central sprue of the wax mold module; the upper end of the core rod is inserted into a center hole of an upper plate body of the metal tool; a first dewaxing opening is formed in the center of the bottom surface of a cross gate of the wax mold module, and the lower end of the core rod penetrates through the first dewaxing opening and then is inserted into a center hole of a lower plate body of the metal tool; the upper end face of the central sprue abuts against the bottom face of the upper plate body, and the lower end of the first dewaxing opening abuts against the top face of the lower plate body; a plurality of wax mould connecting rods are adhered to the periphery of the wax mould, and screw rods are arranged in the wax mould connecting rods in a penetrating manner; and the upper end and the lower end of the screw rod are respectively connected with the upper plate body and the lower plate body. The whole wax mold module is connected with the upper plate body and the lower plate body into a whole, so that the overall rigidity of the wax mold module can be enhanced, and dewaxing and dismounting are easy.

Description

Technical Field

[0001] The invention relates to the technical field of casting, and in particular to a reinforcement method for a large-scale heavy wax mold module. Background Art

[0002] Combination Figure 1 The figure shows the wax mold module structure of the titanium alloy casing. The maximum outline size of the titanium alloy casing is φ1500×960mm, the casting weight is 1000kg, and the wax mold weight is 230kg. After the pouring system is set up, the weight of the wax mold module is 580kg. In the shell making process, matching metal tooling is often used to clamp the wax mold module in the tooling. During the rotation of the coating, the clamping force of the tooling on the wax mold module is used to support the rotation of the module.

[0003] However, since traditional metal tooling and wax mold modules are often only connected through the core rod of the center sprue and the bottom dewaxing port, and the sprue and wax mold module are only connected through the bottom cross runner, and since the height of the wax mold module is 960mm, when it is tilted and rotated, the lever arm is long, the force is uneven, and it is easy to fall. Summary of the invention

[0004] The main purpose of the present invention is to provide a reinforcement method for a large and heavy wax model module, aiming to solve the above technical problems.

[0005] To achieve the above-mentioned objectives, the present invention proposes a reinforcement method for a large and heavy wax mold module, wherein a core rod is embedded in the central sprue of the wax mold module; the upper end of the core rod is inserted into the central hole of the upper plate of the metal tooling; a first dewaxing port is provided at the bottom center of the cross runner of the wax mold module, and the lower end of the core rod is inserted into the central hole of the lower plate of the metal tooling after passing through the first dewaxing port; the upper end surface of the central sprue abuts against the bottom surface of the upper plate, and the lower end of the first dewaxing port abuts against the top surface of the lower plate; a plurality of wax mold connecting rods are bonded to the periphery of the wax mold, and a screw is passed through the wax mold connecting rod; the upper and lower ends of the screw are respectively connected to the upper plate and the lower plate.

[0006] Preferably, a plurality of connection blocks are bonded to the wax model connecting rod, and the connection blocks are bonded to the wax model on the wax model module.

[0007] Preferably, the wax mold on the wax mold module assembly has a guide ring and an upper flow channel ring; each wax mold connecting rod is provided with two connecting blocks, one of which is bonded to the outer circumference of the guide ring, and the other is bonded to the outer circumference of the upper flow channel ring.

[0008] Preferably, a plurality of second dewaxing ports are bonded to the bottom surface of the runner; and the lower ends of the second dewaxing ports abut against the top surface of the lower plate body.

[0009] Preferably, the number of the second dewaxing ports is ten, which are evenly distributed in a circular shape on the bottom surface of the runner.

[0010] Preferably, the upper and lower ends of the screw are each screwed with two fastening nuts; the two fastening nuts at the upper end of the screw are respectively located on the upper and lower sides of the upper plate body; the two fastening nuts at the lower end of the screw are respectively located on the upper and lower sides of the lower plate body.

[0011] Preferably, a plurality of pull rods are arranged between the lower plate body and the upper plate body.

[0012] Preferably, a plurality of first lugs are integrally formed on the outer circumferential surface of the lower plate body; a plurality of second lugs are integrally formed on the outer circumferential surface of the upper plate body; the upper end of the pull rod passes through the second lug and is screwed with a locking nut; the lower end of the pull rod passes through the first lug and is screwed with a locking nut.

[0013] Preferably, a plurality of first lightening holes are provided on the lower plate body; and a plurality of second lightening holes are provided on the upper plate body.

[0014] Preferably, the number of the wax model connecting rods is 8 to 10.

[0015] Due to the adoption of the above technical solution, the beneficial effects of the present invention are as follows:

[0016] (1) In the present invention, a core rod is embedded in the central sprue, and the upper end of the core rod is inserted into the central hole of the upper plate body of the metal tooling, and the lower end is inserted into the central hole of the lower plate body of the metal tooling; at the same time, a plurality of wax mold connecting rods are bonded to the outer periphery of the wax mold, and a screw is passed through the wax mold connecting rod; the upper and lower ends of the screw are respectively connected to the upper plate body and the lower plate body, so that the entire wax mold module is connected to the upper plate body and the lower plate body as a whole, which can not only enhance the overall rigidity of the wax mold module, but also facilitate dewaxing and disassembly, and facilitate the rotation and coating of large and heavy wax mold modules, which can effectively improve the integrity of the mold shell.

[0017] (2) In the present invention, by arranging a plurality of tie rods between the lower plate body and the upper plate body, the overall rigidity of the metal tooling is further increased, and the overall rigidity of the large and heavy wax mold module is further increased.

[0018] (3) In the present invention, by providing the first dewaxing port and the second dewaxing port, a good supporting effect is played on the wax pattern module, which is beneficial to increase the overall rigidity of the wax pattern module. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the wax model module structure of the titanium alloy receiver.

[0021] Figure 2 This is a top view of the wax model module after reinforcement according to the present invention;

[0022] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0023] Figure 4 This is a three-dimensional structural diagram of the wax model module after reinforcement according to the present invention;

[0024] Figure 5 for Figure 4 The enlarged view of point A in the middle;

[0025] Figure 6 for Figure 4 The enlarged view of point B in the middle;

[0026] Figure 7 for Figure 4 Enlarged view of point C in the middle.

[0027] Explanation of the accompanying drawings: 1. Lower plate; 1a. First lug; 1b. First lightening hole; 2. Upper plate; 2a. Second lug; 2b. Second lightening hole; 3. Core rod; 4. Wax mold connecting rod; 4a. Connecting block; 5. Screw; 6. Cross runner; 7. First dewaxing port; 8. Center sprue; 9. Guide ring; 10. Upper runner ring; 11. Pull rod; 12. Second dewaxing port; 13. Fastening nut. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0031] As shown in the accompanying drawings, a reinforcement method for a large and heavy wax mold module is provided, wherein a core rod 3 is embedded in the central sprue 8 of the wax mold module; the upper end of the core rod 3 is inserted into the central hole of the upper plate 2 of the metal tooling; a first dewaxing port 7 is provided at the bottom center of the cross runner 6 of the wax mold module, and the lower end of the core rod 3 is inserted into the central hole of the lower plate 1 of the metal tooling after passing through the first dewaxing port 7; the upper end surface of the central sprue 8 abuts against the bottom surface of the upper plate 2, and the lower end of the first dewaxing port 7 abuts against the top surface of the lower plate 1; a plurality of wax mold connecting rods 4 are bonded to the outer periphery of the wax mold, and a screw rod 5 is passed through the wax mold connecting rod 4; the upper and lower ends of the screw rod 5 are respectively connected to the upper plate 2 and the lower plate 1. In this embodiment, the number of the wax mold connecting rods 4 is 8 to 10.

[0032] Combination Figure 5 As shown, a plurality of connection blocks 4a are bonded to the wax model connecting rod 4, and the connection blocks 4a are bonded to the wax model on the wax model module.

[0033] Combination Figure 1 and Figure 5 As shown, the wax mold on the wax mold module assembly has a guide ring 9 and an upper flow channel ring 10; each wax mold connecting rod 4 is provided with two connecting blocks 4a, one of which is bonded to the outer peripheral surface of the guide ring 9, and the other connecting block 4a is bonded to the outer peripheral surface of the upper flow channel ring 10.

[0034] Combination Figure 3As shown, a plurality of second dewaxing ports 12 are bonded to the bottom surface of the runner 6; the lower ends of the second dewaxing ports 12 abut against the top surface of the lower plate 1. By providing the first dewaxing ports 7 and the second dewaxing ports 12, a good supporting effect is provided for the wax mold module, which is beneficial to increase the overall rigidity of the wax mold module. Specifically, the number of the second dewaxing ports 12 is ten, and they are evenly distributed in a ring shape on the bottom surface of the runner 6.

[0035] Combination Figure 4 , Figure 6 and Figure 7 As shown, the upper and lower ends of the screw rod 5 are respectively screwed with two fastening nuts 13; the two fastening nuts 13 at the upper end of the screw rod 5 are respectively located at the upper and lower sides of the upper plate body 2, which can limit the axial position of the upper plate body 2 on the screw rod 5. Furthermore, the two fastening nuts 13 at the lower end of the screw rod 5 are respectively located at the upper and lower sides of the lower plate body 1, so as to limit the axial position of the lower plate body 1 on the screw rod 5.

[0036] Combination Figure 3 , Figure 4 As shown, in order to further increase the overall rigidity of the metal tooling, a plurality of tie rods 11 are provided between the lower plate body 1 and the upper plate body 2. Specifically, a plurality of first lugs 1a are integrally formed on the outer circumference of the lower plate body 1; a plurality of second lugs 2a are integrally formed on the outer circumference of the upper plate body 2; the upper end of the tie rod 11 passes through the second lug 2a and is screwed with a locking nut; the lower end of the tie rod 11 passes through the first lug 1a and is screwed with a locking nut.

[0037] In order to reduce the weight of the lower plate body 1 and the upper plate body 2 , a plurality of first lightening holes 1 b are provided on the lower plate body 1 , and a plurality of second lightening holes 2 b are provided on the upper plate body 2 .

[0038] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A reinforcement method for a large heavy wax model module, characterized in that: A core rod (3) is embedded in the central sprue (8) of the wax mold module; the upper end of the core rod (3) is inserted into the central hole of the upper plate (2) of the metal tooling; a first dewaxing port (7) is provided at the center of the bottom surface of the horizontal runner (6) of the wax mold module, and the lower end of the core rod (3) passes through the first dewaxing port (7) and is inserted into the central hole of the lower plate (1) of the metal tooling; The upper end surface of the central sprue (8) abuts against the bottom surface of the upper plate body (2), and the lower end of the first dewaxing port (7) abuts against the top surface of the lower plate body (1); A plurality of wax model connecting rods (4) are bonded to the outer periphery of the wax model, and screw rods (5) are passed through the wax model connecting rods (4); the upper and lower ends of the screw rods (5) are respectively connected to the upper plate body (2) and the lower plate body (1).

2. A reinforcement method for a large heavy wax model module as claimed in claim 1, characterized in that: A plurality of connection blocks (4a) are bonded to the wax model connection rod (4), and the connection blocks (4a) are bonded to the wax model on the wax model module.

3. A reinforcement method for a large heavy wax model module as claimed in claim 2, characterized in that: The wax mold on the wax mold module set is provided with a guide ring (9) and an upper flow channel ring (10); each wax mold connecting rod (4) is provided with two connecting blocks (4a), one of the connecting blocks (4a) is bonded to the outer peripheral surface of the guide ring (9), and the other connecting block (4a) is bonded to the outer peripheral surface of the upper flow channel ring (10).

4. A reinforcement method for a large and heavy wax model module as claimed in claim 1, characterized in that: A plurality of second dewaxing ports (12) are bonded to the bottom surface of the runner (6); the lower ends of the second dewaxing ports (12) abut against the top surface of the lower plate body (1).

5. A reinforcement method for a large heavy wax model module as claimed in claim 4, characterized in that: The number of the second dewaxing ports (12) is ten, and they are evenly distributed in a circular shape on the bottom surface of the runner (6).

6. A reinforcement method for a large and heavy wax model module as claimed in claim 1, characterized in that: The upper and lower ends of the screw rod (5) are each screwed with two fastening nuts (13); the two fastening nuts (13) at the upper end of the screw rod (5) are respectively located on the upper and lower sides of the upper plate body (2); and the two fastening nuts (13) at the lower end of the screw rod (5) are respectively located on the upper and lower sides of the lower plate body (1).

7. A method for reinforcing a large heavy wax model module as claimed in claim 1, characterized in that: A plurality of pull rods (11) are arranged between the lower plate body (1) and the upper plate body (2).

8. A reinforcement method for a large heavy wax model module as claimed in claim 7, characterized in that: A plurality of first lugs (1a) are integrally formed on the outer circumferential surface of the lower plate body (1); a plurality of second lugs (2a) are integrally formed on the outer circumferential surface of the upper plate body (2); the upper end of the pull rod (11) passes through the second lug (2a) and is screwed with a locking nut; the lower end of the pull rod (11) passes through the first lug (1a) and is screwed with a locking nut.

9. A method for reinforcing a large heavy wax model module as claimed in claim 1, characterized in that: A plurality of first lightening holes (1b) are provided on the lower plate body (1); and a plurality of second lightening holes (2b) are provided on the upper plate body (2).

10. A method for reinforcing a large heavy wax model module as claimed in claim 1, characterized in that: The number of the wax model connecting rods (4) is 8 to 10.

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