Robot arm precoated sand production mold
Through modular design, the robot arm mold is divided into multiple independent modules, and combined to form a finished mold structure, which solves the problems of complex and easy damage in the manufacturing of existing integral structural molds, and improves the integrity and finished product quality.
Patent Information
- Application Number
- CN202421549690.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-03
AI Technical Summary
The existing robot arm casting sand molds are mainly integrated structures, with complex manufacturing and problems such as mold defects, incomplete casting liquid filling and easy mold damage, which affect the quality and yield rate of finished products.
Adopting a modular design, the split structure divides the robot arm mold into a mold sleeve, a core mold and a sand cover mold, and combines the finished mold structure inside the mold clamp box and the cap to form a finished mold structure for casting.
It reduces the complexity of manufacturing and installation, improves the integrity and sealing of the mold, facilitates maintenance, and improves the quality and yield of finished products.
Smart Images

Figure CN222890517U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metal casting, in particular to a robot arm coated sand production mold. Background Art
[0002] In the field of metal casting, coated sand technology has become one of the important processes for improving the surface quality and overall performance of castings. Coated sand can be used to make both casting molds and sand cores. Coated sand molds or cores can be used in conjunction with each other or with other sand molds (cores). As the main productive force in industrial production, robots undertake various complex labor tasks. The existing robot arm casting coated sand mold is mainly an integral structure, and the robot arm is often a cylindrical structure, which has some technical limitations.
[0003] First of all, the manufacturing of the integral structure coated sand mold is complex, requiring large equipment and high technical level. The core inside the cylinder is blocked, which makes it impossible to inspect and repair the cavity under the core, resulting in defects in the mold that affect the quality of the finished product. In addition, the robot arm is a cylindrical structure. During the pouring process, its internal space has many defects such as incomplete filling of casting liquid and easy damage of the coated sand mold, which seriously affect the yield rate. In view of this, the existing problems are studied and improved, and a robot arm coated sand production mold is provided to solve the current problems, aiming to achieve the purpose of solving problems and improving practical value through this technology. Utility Model Content
[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.
[0005] To this end, the technical solution adopted by the utility model is: a robot arm coated sand production mold, comprising: a mold box, a pressure cover, a sand mold cover mold and a coated sand mold, the coated sand mold comprises a mold sleeve and a core insert mold, the inner side of the mold sleeve is provided with a mold cavity, the surface of the core insert mold is provided with a core, the inner side of the mold box is provided with a combination cavity for socketing the coated sand mold, the surface of the combination cavity is fixedly installed with a positioning pin, the surface of the pressure cover is provided with a connecting hole adapted to the positioning pin, the bottom surface of the pressure cover is provided with a cavity adapted to the sand mold cover mold, and the surface of the pressure cover is provided with a casting port.
[0006] In a preferred example, the utility model can be further configured as follows: the mold box and the pressure cover are metal components, the bottom surface of the pressure cover is provided with a sealing edge adapted to the surface of the mold box, and the top end of the positioning pin passes through the top surface of the pressure cover and is provided with a threaded sleeve.
[0007] In a preferred example, the utility model can be further configured as follows: a positioning hole is provided on the surface of the mold box and a matching positioning pin is provided on the bottom surface of the pressure cover.
[0008] In a preferred example, the utility model can be further configured as follows: the mold sleeve, the core mold and the sand mold cover mold are coated sand mold structures.
[0009] The beneficial effects achieved by the utility model are:
[0010] 1. In the utility model, a modular design is adopted, and the robot arm mold is divided into a plurality of modules including a forming mold sleeve, a core inserting mold and a sand mold cover mold in a split structure, which are combined inside a mold box and a pressure cover to form a complete mold structure for casting. Each module is independently designed, manufactured and installed, which reduces the complexity of manufacturing and installation, makes maintenance more convenient, and can maintain a single module to ensure the product molding effect.
[0011] 2. In the utility model, the mold box and the pressure cover are combined and sleeved on the sand mold cover mold and the outer periphery of the coated sand mold for limiting, which effectively ensures the integrity of the mold, and the splicing combination method is simple and has high sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;
[0013] Figure 2 A schematic diagram of the structure of a sand mold cover mold and a coated sand mold according to an embodiment of the utility model;
[0014] Figure 3 This is a schematic diagram of the decomposition structure of a coated sand mold according to an embodiment of the utility model;
[0015] Figure 4 The figure is a schematic diagram of the mold box and the pressing cover structure of one embodiment of the utility model.
[0016] Reference numerals:
[0017] 100, mold box; 110, combined cavity; 120, positioning pin; 200, pressure cover; 210, casting port; 300, sand mold cover mold; 400, coated sand mold; 410, mold sleeve; 420, core insert mold; 411, mold cavity; 421, core insert. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0019] A robot arm coated sand production mold provided by some embodiments of the utility model is described below in conjunction with the accompanying drawings.
[0020] Combination Figure 1-4As shown, the utility model provides a robot arm coated sand production mold, comprising: a clamping box 100, a pressure cover 200, a sand mold cover mold 300 and a coated sand mold 400, the coated sand mold 400 comprises a mold sleeve 410 and a core insert mold 420, the mold sleeve 410 has a mold cavity 411 on the inner side, the core insert mold 420 has a core insert 421 on the surface, the clamping box 100 has a combined cavity 110 for sleeve-fitting the coated sand mold 400 on the inner side, a positioning pin 120 is fixedly installed on the surface of the combined cavity 110, a connecting hole matched with the positioning pin 120 is provided on the surface of the pressure cover 200, a cavity matched with the sand mold cover mold 300 is provided on the bottom surface of the pressure cover 200, and a casting port 210 is opened on the surface of the pressure cover 200.
[0021] In this embodiment, the mold box 100 and the pressure cover 200 are metal components. The bottom surface of the pressure cover 200 is provided with a sealing edge that matches the surface of the mold box 100. The top end of the positioning pin 120 passes through the top surface of the pressure cover 200 and is provided with a threaded sleeve.
[0022] In this embodiment, the surface of the mold box 100 is provided with positioning holes and the bottom surface of the pressure cover 200 is provided with matching positioning pins.
[0023] Specifically, the positioning pins 120 and the plug-in connection combination of the positioning pins are used to ensure accurate mold fitting of the sand mold cover mold 300 and the coated sand mold 400.
[0024] In this embodiment, the mold sleeve 410, the core insert mold 420 and the sand mold cover mold 300 are a coated sand mold structure.
[0025] The working principle and use process of this utility model:
[0026] In the production of robot arms, the coated sand raw materials are mixed in a certain proportion and fully stirred by a mixer to make the resin evenly distributed on the surface of the sand particles. The mixed sand material is placed in a coating machine, and after high-temperature heating and pressure treatment, it is molded into a sand mold cover mold 300 and a coated sand mold 400 in a mold. The resin melts and penetrates between the sand particles to form a thin film to make the surface of the sand mold cover mold 300 and the coated sand mold 400 smooth. The prepared sand mold cover mold 300, mold sleeve 410 and core insert mold 420 are spliced and combined with each other and placed in the mold box 100 and connected to the pressure cover 200 to form a complete casting mold structure. After the casting is completed, the mold sleeve 410 and the core insert mold 420 can be quickly disassembled and demolded to improve the demolding efficiency.
[0027] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A robot arm coated sand production mold, characterized in that: include: A mold box (100), a pressure cover (200), a sand mold cover mold (300) and a coated sand mold (400), wherein the coated sand mold (400) comprises a mold sleeve (410) and a core insert mold (420), wherein the mold sleeve (410) is provided with a mold cavity (411) on its inner side, and the core insert mold (420) is provided with a core insert (421) on its surface, wherein the mold box (100) is provided with a combination cavity (110) for sleeve-connecting the coated sand mold (400), wherein a positioning pin (120) is fixedly mounted on the surface of the combination cavity (110), wherein a connection hole matching the positioning pin (120) is provided on the surface of the pressure cover (200), wherein a cavity matching the sand mold cover mold (300) is provided on the bottom surface of the pressure cover (200), and wherein a casting port (210) is provided on the surface of the pressure cover (200).
2. A robot arm coated sand production mold according to claim 1, characterized in that: The mold closing box (100) and the pressure cover (200) are metal components; the bottom surface of the pressure cover (200) is provided with a sealing edge matched with the surface of the mold closing box (100); the top end of the positioning pin (120) passes through the top surface of the pressure cover (200) and is provided with a threaded sleeve.
3. A robot arm coated sand production mold according to claim 1, characterized in that: The surface of the mold closing box (100) is provided with a positioning hole, and the bottom surface of the pressure cover (200) is provided with a matching positioning pin.
4. A robot arm coated sand production mold according to claim 1, characterized in that: The mold sleeve (410), the core insert mold (420) and the sand mold cover mold (300) are a coated sand mold structure.