Casting sand core repairing device
By designing a cast sand core repair device, the automatic trimming and removal of sand cores is achieved by using fixture limit and cylinder drive, the problem of low sand core repair efficiency in the existing technology is solved, and the flatness and production of the inner cavity of the casting is improved. benefit.
Patent Information
- Application Number
- CN202420728229.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-10
AI Technical Summary
In the prior art, the trimming efficiency of the grooves or holes on the surface of the sand core is low, which makes it difficult to ensure the flatness of the inner cavity of the casting and affects production efficiency.
A cast sand core repair device is designed, including a robot, a floating spindle, a base, a fixture, a protective cover, a base block, an anti-slip pad and a cylinder. The automatic trimming and removal of the sand core is achieved through fixture limit and cylinder drive.
It improves the efficiency and accuracy of sand core trimming, simplifies the operation process, enhances production efficiency, and facilitates the trimming and removal of sand cores.
Smart Images

Figure CN222242522U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand core production, in particular to a casting sand core repairing device. Background Art
[0002] The sand core for casting is a workpiece used to assist in mold forming in the casting process. It can help form a cavity inside the casting. In order to ensure the flatness of the cavity inside the cast casting, the sand core needs to be trimmed and polished after shaping and drying to make the surface of the sand core flat, ultimately improving the flatness of the cavity inside the casting.
[0003] The surface of the sand core in the prior art is mostly designed with grooves or holes, such as Figure 4 A sand core product 6 is shown, which has a first groove 61 on its side and a second groove 62 on its upper surface. When trimming the surface of the sand core product, workers usually perform manual trimming with a handheld file, which has low actual work efficiency and is not conducive to the production efficiency of the enterprise. Utility Model Content
[0004] In order to solve the technical problems existing in the background technology, the utility model provides a foundry sand core repairing device.
[0005] The utility model proposes a casting sand core repairing device, which comprises a manipulator, a floating spindle and a base. The floating spindle is detachably mounted on the movable end of the manipulator, the base is arranged below the floating spindle, a clamp and a protective cover are mounted on the base, and the protective cover is arranged on the periphery of the clamp, a sand core product is placed in the protective cover and is limited by the clamp.
[0006] As a further optimized solution of the utility model, a base block is installed on the upper surface of the base, and a clamp is installed on the outside of the base block. There are at least two clamps and they are arranged opposite to each other. The sand core product is placed on the upper surface of the base block, and the opposite sides of the sand core product are respectively connected to adjacent clamps.
[0007] As a further optimized solution of the utility model, an anti-skid pad is installed on the upper surface of the base block, and the number of the anti-skid pads is multiple and evenly distributed.
[0008] As a further optimized solution of the utility model, there are four clamps and they are respectively arranged on the outside of the four corners of the base block, and the four corners of the sand core product are respectively clamped with the four clamps.
[0009] As a further optimized solution of the utility model, the clamp has a slot on one side close to the base block. The slot is an inner right angle, and the bottom surface of the slot is flush with the upper surface of the base block. The four corners of the sand core product are respectively fitted with adjacent inner walls of the slot.
[0010] As a further optimized solution of the utility model, a sleeve hole is opened in the middle of the base block, and an ejection plate is slidably sleeved in the sleeve hole. A cylinder is installed inside the base, and the movable end of the cylinder extends upward into the sleeve hole and is connected to the ejection plate.
[0011] As a further optimized solution of the utility model, a mounting plate is installed on the side of the floating spindle, a sleeve is installed on the top of the mounting plate, and the sleeve is sleeved with the movable end of the manipulator and fixed by a fastener.
[0012] The casting sand core repairing device proposed by the utility model has the following beneficial effects:
[0013] (i) Through the combined design of the base block and the clamp, it is convenient to place the sand core product in the protective cover. The four clamps are used to limit the four corners of the sand core product, which can prevent the sand core product from shifting on the horizontal plane, so that the manipulator drives the floating spindle to trim the edge of the sand core product and the inner walls of the first groove and the second groove. After the trimming is completed, the ejector plate can be driven up by the cylinder to lift the sand core product on the upper surface of the base block upward, which is convenient for taking out the sand core product. The overall structure is simple and the operation is convenient, which is conducive to improving the actual work efficiency and the production efficiency of the enterprise;
[0014] (ii) By using the mounting plate installed on the side of the floating spindle and the sleeve installed on the mounting plate to be connected with the movable end of the manipulator, combined with the fixing effect of the fasteners, the floating spindle can be quickly and stably assembled to the movable end of the manipulator, thereby facilitating the disassembly, assembly and replacement of the floating spindle, bringing convenience to actual production and processing.
[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the utility model;
[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the mounting plate of the utility model;
[0018] Figure 3 It is a schematic diagram of the top view structure of the base block of the utility model;
[0019] Figure 4 This is a schematic diagram of the sand core product structure of the utility model.
[0020] Description of the drawings: 1. Manipulator; 2. Floating spindle; 3. Base; 4. Clamp; 5. Protective cover; 6. Sand core product; 61. First groove; 62. Second groove; 7. Ejector plate; 8. Cylinder; 9. Mounting plate; 10. Sleeve; 11. Base block; 12. Anti-slip pad. DETAILED DESCRIPTION
[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0022] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying 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 the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0026] See also Figure 1-Figure 4 A casting sand core repairing device includes a manipulator 1, a floating spindle 2, and a base 3. The floating spindle 2 is detachably mounted on the movable end of the manipulator 1. The base 3 is arranged below the floating spindle 2. A clamp 4 and a protective cover 5 are mounted on the base 3. The protective cover 5 is arranged around the periphery of the clamp 4. A sand core product 6 is placed in the protective cover 5 and is limited by the clamp 4.
[0027] The clamp 4 can be a manual clamp, an electric clamp or other limiting structure in the prior art;
[0028] Specifically, a base block 11 is installed on the upper surface of the base 3, and the clamps 4 are installed on the outside of the base block 11. The number of the clamps 4 is at least two and they are arranged opposite to each other. The sand core product 6 is placed on the upper surface of the base block 11, and the opposite sides of the sand core product 6 are respectively connected to the adjacent clamps 4.
[0029] Furthermore, an anti-skid pad 12 is installed on the upper surface of the base block 11. The number of anti-skid pads 12 is multiple and evenly distributed, which can improve the friction between the sand core product 6 and the upper surface of the base block 11, thereby improving the placement stability of the sand core product 6;
[0030] Furthermore, there are four clamps 4, which are respectively arranged on the outside of the four corners of the base block 11. The four corners of the sand core product 6 are respectively clamped with the four clamps 4. The four clamps 4 are used to limit the four corners of the sand core product 6, so that the horizontal position of the sand core product 6 is fixed and difficult to shift, which plays a limiting role, preventing the floating spindle 2 from shifting when the surface of the sand core product 6 is trimmed, which is conducive to improving the trimming accuracy, thereby improving the sand core processing accuracy and the quality of the finished product;
[0031] Furthermore, the fixture 4 has a slot on one side close to the base block 11, the slot is an inner right angle, and the bottom surface of the slot is flush with the upper surface of the base block 11, and the four corners of the sand core product 6 are respectively fitted with the inner walls of the adjacent slots, so as to limit the four corners of the sand core product 6;
[0032] Specifically, a sleeve hole is opened in the middle of the base block 11, and an ejector plate 7 is slidably sleeved in the sleeve hole. A cylinder 8 is installed inside the base 3, and the movable end of the cylinder 8 extends upward into the sleeve hole and is connected to the ejector plate 7. When the surface of the sand core product 6 is finished, the ejector plate 7 is driven by the cylinder 8 to move upward, so that the ejector plate 7 pushes the sand core product 6 upward, which is convenient for the staff to take the sand core product 6 out of the protective cover 5;
[0033] Furthermore, a limiting groove adapted to the protective cover 5 is provided on the upper surface of the clamp 4. The limiting groove is a rectangular groove and is sleeved on the periphery of the base block 11. The protective cover 5 is a rectangular protective cover with openings at both ends. The bottom end of the protective cover 5 is tightly plugged into the limiting groove, which can protect the periphery of the sand core product 6 and prevent the trimming debris from falling to the outside of the base 3, which is convenient for subsequent debris collection and cleaning work;
[0034] Specifically, a mounting plate 9 is installed on the side of the floating spindle 2, a sleeve 10 is installed on the top of the mounting plate 9, and the sleeve 10 is sleeved with the movable end of the manipulator 1 and fixed by a fastener;
[0035] Furthermore, the fastener is preferably a bolt, a through hole is opened in the middle of the bottom end of the mounting plate 9, a screw hole is opened at the bottom end of the manipulator 1, and the screw hole is aligned with the through hole, and the screw end of the bolt passes through the through hole and is threadedly connected with the screw hole to play a fastening role;
[0036] In summary, the casting sand core repairing device proposed by the utility model, through the combined design of the base block 11 and the clamp 4, is convenient for placing the sand core product 6 in the protective cover 5, and the four clamps 4 are used to limit the four corners of the sand core product 6, which can prevent the sand core product 6 from shifting on the horizontal plane, so that the manipulator 1 drives the floating spindle 2 to trim the edge of the sand core product 6 and the inner wall of the first groove 61 and the second groove 62. After the trimming is completed, the ejection plate 7 can be driven upward by the cylinder 8, so that the sand core product 6 on the upper surface of the base block 11 is lifted upward, which is convenient for taking out the sand core product 6. The overall structure is simple and the operation is convenient, which is conducive to improving the actual work efficiency and the production efficiency of the enterprise; through the mounting plate 9 installed on the side of the floating spindle 2, the sleeve 10 installed on the mounting plate 9 is connected with the movable end of the manipulator 1, and combined with the fixing effect of the fastener, it is convenient to quickly and stably assemble the floating spindle 2 to the movable end of the manipulator 1, so as to facilitate the disassembly and replacement of the floating spindle 2, which brings convenience to actual production and processing.
[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A foundry sand core repairing device, comprising a manipulator (1), a floating spindle (2), and a base (3), characterized in that: The floating spindle (2) is detachably mounted on the movable end of the manipulator (1); the base (3) is arranged below the floating spindle (2); a clamp (4) and a protective cover (5) are mounted on the base (3); the protective cover (5) is arranged to cover the periphery of the clamp (4); the sand core product (6) is placed in the protective cover (5) and is limited by the clamp (4).
2. A casting sand core repairing device according to claim 1, characterized in that: A base block (11) is installed on the upper surface of the base (3), and a clamp (4) is installed on the outer side of the base block (11). The number of the clamps (4) is at least two and they are arranged opposite to each other. The sand core product (6) is placed on the upper surface of the base block (11), and the opposite sides of the sand core product (6) are respectively connected to adjacent clamps (4).
3. A casting sand core repairing device according to claim 2, characterized in that: An anti-skid pad (12) is installed on the upper surface of the base block (11), and the number of the anti-skid pads (12) is multiple and evenly distributed.
4. A casting sand core repairing device according to claim 2, characterized in that: There are four clamps (4) which are respectively arranged outside the four corners of the base block (11); the four corners of the sand core product (6) are respectively clamped with the four clamps (4).
5. A casting sand core repairing device according to claim 4, characterized in that: The fixture (4) has a slot on one side close to the base block (11). The slot is an inner right angle, and the bottom surface of the slot is flush with the upper surface of the base block (11). The four corners of the sand core product (6) are respectively fitted with the inner walls of the adjacent slots.
6. A casting sand core repairing device according to claim 2, characterized in that: A sleeve hole is provided in the middle of the base block (11), and an ejection plate (7) is slidably sleeved in the sleeve hole. A cylinder (8) is installed inside the base (3), and the movable end of the cylinder (8) extends upward into the sleeve hole and is connected to the ejection plate (7).
7. A casting sand core repairing device according to any one of claims 1 to 6, characterized in that: A mounting plate (9) is installed on the side of the floating spindle (2), a sleeve (10) is installed on the top of the mounting plate (9), and the sleeve (10) is sleeved with the movable end of the manipulator (1) and fixed by a fastener.