Shell-making suspension tool pre-buried in pouring system

Abstract

The invention relates to the field of precision casting, and particularly discloses a shell making suspension tool pre-buried in a pouring system, the shell making suspension tool comprises the pouring system and a wax piece, the wax piece is installed and welded on the pouring system, a screw rod is pre-buried in the pouring system, one end of the screw rod is in threaded connection with a connecting rod, a sleeve is arranged on the outer side of the connecting rod, and the sleeve is sleeved with the wax piece. A hanging workpiece is arranged on the sleeve; the screw rod is pre-embedded in the pouring system and connected with the sleeve through the connecting rod, the hanging workpiece is arranged on the sleeve, and the sleeve is connected with the connecting device on the mechanical arm through the hanging workpiece, so that the pouring system with the wax piece is connected with the mechanical arm, and assembling of the mechanical arm and the wax piece is achieved; therefore, automatic slurry coating and sand spraying of the manipulator are achieved, the shell making work efficiency is improved, the labor intensity of workers is reduced, the product quality is improved, and the production cost is reduced.

Description

Technical Field

[0001] The invention relates to the field of precision casting, in particular to a shell-making hanging tool pre-buried in a pouring system. Background Art

[0002] The investment casting industry is a relatively labor-intensive and technology-intensive industry, which is divided into many processes such as wax mold, shell making, roasting, smelting, heat treatment, polishing, etc. The existing shell making process is manual slurry coating and sanding, which has high labor intensity, harsh environment, low production efficiency and poor product quality stability. In order to promote the industrial upgrading of the precision casting industry and reduce the dependence of precision casting enterprises on manual labor, the application of industrial robots in the precision casting industry is particularly important. Manipulator shell making can realize automatic slurry coating and sanding of wax molds, greatly improving the efficiency of shell making. In order to realize automatic slurry coating and sanding of wax molds, the module of the wax mold is placed on the shell making manipulator. The mechanical arm of the existing manipulator is provided with a connecting device. The hook on the existing wax mold cannot meet the connection device of the manipulator shell making, resulting in the inability to automatically coat slurry and sand through the shell making manipulator. How to realize the connection between the wax mold and the manipulator becomes a difficulty in the manipulator shell making. For this reason, this application proposes a shell making hanging tooling pre-buried in the casting system. Summary of the invention

[0003] In view of the existing problems, the present invention provides a shell-making hanging tool pre-buried in a pouring system, which can effectively solve the problems raised in the background technology.

[0004] To solve the above problems, the present invention adopts the following technical solutions:

[0005] A shell-making suspension tool embedded in a pouring system comprises a pouring system and a wax part, wherein the wax part is welded to the pouring system, a screw is embedded in the pouring system, a connecting rod is threadedly connected to one end of the screw, a sleeve is provided on the outer side of the connecting rod, and a suspension workpiece is provided on the sleeve.

[0006] As a further solution of the present invention: the pouring system includes a pouring cup and a vertical runner, the wax piece is connected to the vertical runner through at least one inner gate, and the pouring cup is arranged at one end of the vertical runner.

[0007] As a further solution of the present invention: the pouring cup and the wax piece are connected via wax drainage ribs.

[0008] As a further solution of the present invention: the mouth of the pouring cup is provided with a flange.

[0009] As a further solution of the present invention: a threaded sleeve is provided at one end of the screw rod, a threaded head is provided at one end of the connecting rod, and the threaded head is threadedly connected to the threaded sleeve.

[0010] As a further solution of the present invention: a nut is threadedly connected to the screw rod.

[0011] As a further solution of the present invention: a pin hole is provided on the sleeve, the connecting rod is inserted into the sleeve and fixed by a positioning pin passing through the pin hole, and a positioning buckle is inserted into one end of the positioning pin.

[0012] As a further solution of the present invention: the hanging workpiece is a hanging handle, and the hanging handle passes through one end of the sleeve.

[0013] As a further solution of the present invention: a positioning hole is provided at one end of the sleeve away from the connecting rod.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention embeds a screw in the casting system, the screw is connected to the sleeve through a connecting rod, a hanging workpiece is arranged on the sleeve, and the sleeve is connected to the connecting device on the manipulator by the hanging workpiece, thereby connecting the casting system with the wax part to the manipulator, realizing the assembly of the manipulator and the wax part, thereby realizing automatic slurry coating and sand spreading by the manipulator, improving the efficiency of shell making, reducing the labor intensity of workers, improving product quality, and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a shell-making suspension tooling pre-buried inside the pouring system;

[0016] Figure 2 It is a schematic diagram of the connection between the connecting rod and the sleeve in a shell suspension tooling pre-buried in the casting system;

[0017] Figure 3 The diagram is a schematic diagram of a screw structure in a shell-making suspension tooling pre-buried inside a casting system.

[0018] In the figure: 1. wax part; 2. screw; 3. connecting rod; 4. sleeve; 5. hanging handle; 6. pouring cup; 7. vertical pouring channel; 8. inner gate; 9. wax drainage rib; 10. flange; 11. threaded sleeve; 12. threaded head; 13. nut; 14. positioning pin; 15. positioning buckle; 16. positioning socket. DETAILED DESCRIPTION

[0019] 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.

[0020] Combination Figures 1 to 3To explain this embodiment, this embodiment provides a shell making suspension tooling pre-embedded in a casting system, comprising a casting system and wax parts, the wax parts are welded to the casting system, a screw is pre-embedded in the casting system, when the casting system is manufactured, the screw is put into the mold cavity of the casting system, for connecting the casting system and the suspension tooling, one end of the screw is threadedly connected with a connecting rod, the connecting rod cooperates with the screw pre-embedded in the casting system, a sleeve is provided on the outside of the connecting rod, the sleeve is the main part of the suspension tooling, for connecting other components, a suspension workpiece is provided on the sleeve, the suspension workpiece is a suspension handle, the suspension handle passes through one end of the sleeve, so that the suspension tooling is placed on the robot shell making line through the suspension handle.

[0021] The pouring system includes a pouring cup and a vertical runner. The wax part is connected to the vertical runner through at least one inner gate. The pouring cup is arranged at one end of the vertical runner. In this example, two inner gates are arranged, upper and lower. The inner gate is the shrinkage channel of the shrinkage-compensating wax part. The pouring cup and the wax part are connected by wax drainage ribs. The wax drainage ribs are used for exhaust, so that the wax liquid can be quickly discharged from the pouring system during the dewaxing process.

[0022] The mouth of the pouring cup is provided with a flange to facilitate the cleaning of the slurry sand at the pouring system after shell making.

[0023] A threaded sleeve is provided at one end of the screw, and the end of the threaded sleeve is flush with the cup mouth of the pouring cup. A threaded head is provided at one end of the connecting rod, and the threaded head is threadedly connected to the threaded sleeve to facilitate the connection between the screw and the connecting rod. A nut is threadedly connected to the screw, and two nuts are provided to increase the resistance between the screw and the pouring system. In this example, the screw is inserted from the pouring cup to the vertical runner, and nuts are provided in both the pouring cup and the vertical runner.

[0024] A pin hole is provided on the sleeve, and the connecting rod is inserted into the sleeve and fixed by a locating pin passing through the pin hole. A locating buckle is inserted into one end of the locating pin to fix the sleeve to the connecting rod. The locating buckle is used to fix the locating pin to prevent the locating pin from falling off, and a locating socket is provided at the end of the sleeve away from the connecting rod. The locating socket is close to the hanging handle. After being connected to the connecting device on the manipulator, the locating socket is used to maintain the stability of the hanging tooling.

[0025] The preparation method is as follows: firstly, a screw is embedded in a pouring system to produce a pouring system with a screw, then the wax part is wax-welded with a vertical runner in the pouring system through an inner gate, and the pouring cup and the wax part are welded together with a wax rib, the wax parts are assemble-welded, a connecting rod is inserted into a sleeve and the connecting rod and the sleeve are fixed together through a locating pin, and then the threaded head of the connecting rod is threadedly connected with the threaded sleeve on the screw, thereby assembling the entire hanging tooling, and finally, the hanging tooling and the entire pouring system are placed on a robot shell making line by a hanging handle for robot shell making, thereby realizing the assembly of the robot and the wax part, thereby realizing automatic slurry coating and sand spreading by the robot, improving the efficiency of shell making, reducing the labor intensity of workers, improving product quality, and reducing production costs.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shell-making suspension tool embedded in a pouring system, comprising a pouring system and a wax part, wherein the wax part is welded to the pouring system, characterized in that: A screw is pre-buried in the pouring system, one end of the screw is threadedly connected to a connecting rod, a sleeve is arranged on the outer side of the connecting rod, and a hanging workpiece is arranged on the sleeve.

2. The shell-making suspension tool embedded in the casting system according to claim 1, characterized in that: The pouring system comprises a pouring cup and a vertical pouring channel. The wax piece is connected to the vertical pouring channel via at least one inner gate, and the pouring cup is arranged at one end of the vertical pouring channel.

3. The shell-making hanging tool embedded in the casting system according to claim 2, characterized in that: The pouring cup and the wax piece are connected via wax drain ribs.

4. The shell-making hanging tool embedded in the casting system according to claim 2, characterized in that: The cup mouth of the pouring cup is provided with a flange.

5. The shell-making suspension tool embedded in the casting system according to claim 1, characterized in that: One end of the screw rod is provided with a threaded sleeve, and one end of the connecting rod is provided with a threaded head, and the threaded head is threadedly connected with the threaded sleeve.

6. The shell-making hanging tool embedded in the casting system according to claim 5, characterized in that: The screw rod is threadedly connected with a nut.

7. The shell-making suspension tool embedded in the casting system according to claim 1, characterized in that: The sleeve is provided with a pin hole, the connecting rod is inserted into the sleeve and fixed by a positioning pin passing through the pin hole, and a positioning buckle is inserted into one end of the positioning pin.

8. The shell-making hanging tool embedded in the casting system according to claim 1, characterized in that: The hanging workpiece is a hanging handle, and the hanging handle passes through one end of the sleeve.

9. The shell-making hanging tool embedded in the casting system according to claim 8, characterized in that: A positioning socket is provided at one end of the sleeve away from the connecting rod.

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