Lost foam cross gate of high-chromium alloy wear-resistant part
By designing a motor-driven runner structure, the problem of unstable runner positioning in the lost foam casting of high-chromium alloy wear-resistant parts is solved, stable casting and convenient maintenance of high-chromium alloy wear-resistant parts are achieved, and the quality of the workpiece is improved.
Patent Information
- Application Number
- CN202422614561.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-29
AI Technical Summary
During the lost foam casting process of existing high chromium alloy wear-resistant parts, the runner positioning is unstable, resulting in a decrease in the casting quality of the workpiece.
A cross runner structure including a box, a fixed block, a movable groove, a movable frame, an adjustment groove, an adjustment rod and a motor-driven cross runner is designed. The motor-driven threaded rod and the threaded connection are used to achieve stable positioning and position adjustment of the cross runner. Combined with the bolt-fixed mounting plate, convenient loading and unloading is achieved.
The positioning stability and position adjustment convenience of the cross runner are improved, the casting quality of the workpiece is ensured, the tilting phenomenon is reduced, and the maintenance process of the gate basin is simplified.
Smart Images
Figure CN223368145U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lost foam, in particular to a lost foam runner for high-chromium alloy wear-resistant parts. Background Art
[0002] Lost foam casting is a solid mold casting process that uses dry sand without binder and vacuum technology to form a foam plastic mold. The main domestic names are "dry sand solid mold casting", "negative pressure solid mold casting", and EPC casting for short.
[0003] After searching, it is found that in the process of casting high chromium alloy wear-resistant parts using lost foam, a feeding assembly is required. Some existing feeding assemblies include a cross runner. When positioning the cross runner, the staff needs to manually position the feeding assembly. Due to the manual positioning of the feeding assembly, the cross runner is prone to tilt during positioning, which affects the casting of the workpiece and reduces the casting quality of the workpiece. In response to the above situation, technical innovation is carried out on the basis of the existing device. Utility Model Content
[0004] The purpose of the utility model is to provide a lost foam runner for high chromium alloy wear-resistant parts to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lost foam cross runner for high-chromium alloy wear-resistant parts, comprising a box body, a fixed block fixedly connected to one side of the box body, a movable groove provided on one side of the fixed block, a movable frame extending to the outside of the movable groove is slidably connected inside the movable groove, the cross-section of the movable frame is L-shaped, an adjustment groove provided on one side of the movable frame, an adjustment rod extending to the outside of the adjustment groove is slidably connected inside the adjustment groove, a cross groove extending to the outside of the adjustment rod is provided inside the adjustment rod, a slider is slidably connected inside the cross groove, a mounting plate is provided on the top of the slider, a pouring basin is fixedly connected to one side of the mounting plate, a straight runner connected to the inside of the pouring basin is fixedly connected to the bottom of the pouring basin, and a cross runner connected to the inside of the straight runner is fixedly connected to the outer surface of the cross runner.
[0006] Preferably, the cross-sections of the cross slot and the slider are both cross-shaped.
[0007] Preferably, the mounting plate is fixed to the slider by bolts.
[0008] Preferably, the internal rotation of the fixed block is connected to a first threaded rod, the surface of the first threaded rod is connected to the internal thread of the movable frame, the left side of the fixed block is fixedly connected to a first motor, and the output end of the first motor rotates through one side of the fixed block and extends to the inside of the movable slot.
[0009] Preferably, the output end of the first motor is fixedly connected to one end of the first threaded rod.
[0010] Preferably, an adjustment slot is provided on one side of the movable frame close to the fixed block, a second threaded rod is rotatably connected to the inside of the adjustment slot, a surface of the second threaded rod is threadedly connected to the inside of the adjustment rod, a second motor is fixedly connected to the top of the movable frame, an output end of the second motor rotates through the top of the movable frame and extends to the inside of the adjustment slot, and the output end of the second motor is fixedly connected to the top end of the second threaded rod.
[0011] Preferably, the side of the adjusting rod away from the pouring basin is fixedly connected to a support plate, and the side of the slider away from the pouring basin is fixedly connected to a positioning plate, and the positioning plate is also fixed to the support plate by screwing bolts.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. The lost foam runner of the high chromium alloy wear-resistant part can adjust the position of the runner inside the box, so that the staff can adjust the position of the runner more conveniently, so that the staff can use the device to cast the high chromium alloy wear-resistant part more smoothly. At the same time, the runner can always remain stable, making the positioning of the runner more convenient, and to a certain extent reducing the tilt of the runner during positioning, which affects the casting of the workpiece and reduces the casting quality of the workpiece, so that the staff can use the device more conveniently.
[0014] 2. The lost foam runner of the high chromium alloy wear-resistant part is fixed by bolts on the mounting plate, which makes the installation and removal of the mounting plate and the pouring basin more convenient, and makes it easier for the staff to disassemble and repair the pouring basin after damage occurs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic structural diagram of a lost foam runner for a high chromium alloy wear-resistant part of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the mobile rack of the utility model;
[0017] Figure 3 This is a schematic structural diagram of the fixing block of the utility model;
[0018] Figure 4 This is a structural diagram of the adjusting rod of the utility model.
[0019] In the figure: 1. Box body; 2. Fixed block; 3. Moving slot; 4. Moving frame; 5. First threaded rod; 6. First motor; 7. Adjusting slot; 8. Second threaded rod; 9. Second motor; 10. Adjusting rod; 11. Cross slot; 12. Support plate; 13. Positioning plate; 14. Slider; 15. Mounting plate; 16. Gate basin; 17. Straight runner; 18. Horizontal runner. DETAILED DESCRIPTION
[0020] See also Figure 1-4 The utility model provides a technical solution: a lost foam runner for high chromium alloy wear-resistant parts, comprising a box body 1, a fixed block 2 is fixedly connected to one side of the box body 1, a moving groove 3 is opened on one side of the fixed block 2, a moving frame 4 extending to the outside of the moving groove 3 is slidably connected inside the moving groove 3, and the cross section of the moving frame 4 is L-shaped, an adjusting groove 7 is opened on one side of the moving frame 4, an adjusting rod 10 extending to the outside of the adjusting groove 7 is slidably connected inside the adjusting groove 7, a cross groove 11 extending to the outside of the adjusting rod 10 is opened inside the adjusting rod 10, a slider 14 is slidably connected inside the cross groove 11, the cross groove 11 and the slider 14 are both cross-shaped in cross section, a mounting plate 15 is provided on the top of the slider 14, and the mounting plate A gate basin 16 is fixedly connected to one side of 15, and a sprue 17 communicating with the inside of the gate basin 16 is fixedly connected to the bottom of the sprue 16, and a runner 18 communicating with the inside of the sprue 17 is fixedly connected to the outer surface of the sprue 17, and an endogate is provided on the endogate 18. The high chromium alloy melt enters the inside of the sprue 17 through the gate basin 16, and enters the inside of the endogate through the runner 18, and is discharged from the endogate to the lost foam, and is formed into a workpiece by the lost foam molding. At the same time, the position of the runner 18 is stabilized, so that the mold can be preheated with the help of the large volume of metal liquid in the runner 18, and the runner 18 is used to compensate for shrinkage and transmit static pressure when the casting cools and shrinks, so that the molding of the workpiece is smoother.
[0021] Furthermore, the mounting plate 15 is fixed to the slider 14 by bolts, making the installation and removal of the mounting plate 15 and the pouring basin 16 more convenient, and making it easier for staff to disassemble and repair the pouring basin 16 after damage occurs.
[0022] Furthermore, the internal rotation of the fixed block 2 is connected to the first threaded rod 5, the surface of the first threaded rod 5 is connected to the internal thread of the movable frame 4, and the left side of the fixed block 2 is fixedly connected to the first motor 6, the first motor 6 is a forward and reverse motor, and the first motor 6 is an existing structure, which will not be elaborated here. The output end of the first motor 6 rotates through one side of the fixed block 2 and extends to the inside of the movable groove 3. The output end of the first motor 6 is fixedly connected to one end of the first threaded rod 5. The first motor 6 is started by the staff, and the first motor 6 drives the first threaded rod 5 to rotate, so that the first threaded rod 5 drives the movable frame 4 to move back and forth, so that the cross runner 18 can move back and forth left and right.
[0023] Furthermore, an adjusting groove 7 is opened on the side of the movable frame 4 close to the fixed block 2, and the internal rotation connection of the adjusting groove 7 is connected to the second threaded rod 8, and the surface of the second threaded rod 8 is connected to the internal thread of the adjusting rod 10. The top of the movable frame 4 is fixedly connected to the second motor 9, and the output end of the second motor 9 rotates through the top of the movable frame 4 and extends to the inside of the adjusting groove 7. The output end of the second motor 9 is fixedly connected to the top of the second threaded rod 8. The second motor 9 is started by the staff. After the second motor 9 drives the second threaded rod 8 to rotate under the restriction of the adjusting groove 7, the second threaded rod 8 can drive the adjusting rod 10 to move back and forth up and down, so that the height position of the runner 18 is adjusted.
[0024] Furthermore, a support plate 12 is fixedly connected to a side of the adjusting rod 10 away from the pouring basin 16 , and a positioning plate 13 is fixedly connected to a side of the slider 14 away from the pouring basin 16 . The positioning plate 13 is located on top of the support plate 12 .
[0025] Furthermore, a threaded hole is opened on the top of the support plate 12, and the positioning plate 13 can be screwed into the inside of the threaded hole by a bolt to fix the positioning plate 13 on the support plate 12, and at the same time, the positioning plate 13 is released to allow the staff to drive the slider 14 to move through the positioning plate 13, so that the positioning plate 13 can drive the pouring basin 16 to move back and forth, thereby adjusting the position of the cross runner 18 inside the box body 1, so that the staff can more conveniently adjust the position of the cross runner 18, so that the staff can more smoothly use the device to cast and mold high-chromium alloy wear-resistant parts, and at the same time, the cross runner 18 can always remain stable, making the positioning of the cross runner 18 more convenient, and to a certain extent reducing the tilt of the cross runner 18 during positioning, which affects the casting of the workpiece and reduces the casting quality of the workpiece, so that the staff can use the device more conveniently.
[0026] Working principle: For this type of high chromium alloy wear-resistant parts of the lost foam runner, the staff first starts the first motor 6, the first motor 6 drives the first threaded rod 5 to rotate, so that the first threaded rod 5 drives the movable frame 4 to move back and forth, so that the runner 18 can move back and forth left and right, and the staff starts the second motor 9. After the second motor 9 drives the second threaded rod 8 to rotate under the restriction of the adjustment slot 7, the second threaded rod 8 can drive the adjustment rod 10 to move up and down, so that the height position of the runner 18 is adjusted. At the same time, the positioning plate 13 is fixed and released, so that the staff can adjust the height of the runner 18. The positioning plate 13 drives the slider 14 to move, so that the positioning plate 13 can drive the gate basin 16 to move back and forth, so that the position of the cross runner 18 inside the box body 1 is adjusted, so that the staff can more conveniently adjust the position of the cross runner 18, so that the staff can more smoothly use the device to cast and mold high-chromium alloy wear-resistant parts. At the same time, the cross runner 18 can always remain stable, making the positioning of the cross runner 18 more convenient, and to a certain extent reducing the tilt of the cross runner 18 during positioning, which affects the casting of the workpiece and reduces the casting quality of the workpiece.
[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A lost foam runner for high chromium alloy wear-resistant parts, comprising a box (1), characterized in that: A fixed block (2) is fixedly connected to one side of the box body (1), a movable groove (3) is provided on one side of the fixed block (2), a movable frame (4) extending to the outside of the movable groove (3) is slidably connected inside the movable groove (3), the cross section of the movable frame (4) is L-shaped, an adjustment groove (7) is provided on one side of the movable frame (4), an adjustment rod (10) extending to the outside of the adjustment groove (7) is slidably connected inside the adjustment rod (10), a cross groove (11) extending to the outside of the adjustment rod (10) is provided inside the adjustment rod (10), a slider (14) is slidably connected inside the cross groove (11), a mounting plate (15) is provided on the top of the slider (14), a pouring basin (16) is fixedly connected to one side of the mounting plate (15), a sprue (17) communicating with the inside of the pouring basin (16) is fixedly connected to the bottom of the pouring basin (16), and a runner (18) communicating with the inside of the sprue (17) is fixedly connected to the outer surface of the sprue (17).
2. The lost foam runner for a high chromium alloy wear-resistant part according to claim 1, characterized in that: The cross-slot (11) and the slider (14) both have cross-shaped cross sections.
3. The lost foam runner for a high chromium alloy wear-resistant part according to claim 1, characterized in that: The mounting plate (15) is fixed to the slider (14) by means of bolts.
4. The lost foam runner for a high chromium alloy wear-resistant part according to claim 1, characterized in that: The interior of the fixed block (2) is rotatably connected to a first threaded rod (5), the surface of the first threaded rod (5) is threadably connected to the interior of the movable frame (4), the left side of the fixed block (2) is fixedly connected to a first motor (6), the output end of the first motor (6) rotates through one side of the fixed block (2) and extends to the interior of the movable slot (3).
5. The lost foam runner for high chromium alloy wear-resistant parts according to claim 4, characterized in that: The output end of the first motor (6) is fixedly connected to one end of the first threaded rod (5).
6. The lost foam runner for a high chromium alloy wear-resistant part according to claim 4, characterized in that: The movable frame (4) is provided with an adjustment slot (7) on one side close to the fixed block (2); a second threaded rod (8) is rotatably connected to the inside of the adjustment slot (7); the surface of the second threaded rod (8) is threadably connected to the inside of the adjustment rod (10); a second motor (9) is fixedly connected to the top of the movable frame (4); an output end of the second motor (9) rotates through the top of the movable frame (4) and extends to the inside of the adjustment slot (7); and the output end of the second motor (9) is fixedly connected to the top of the second threaded rod (8).
7. The lost foam runner for high chromium alloy wear-resistant parts according to claim 6, characterized in that: The side of the regulating rod (10) away from the pouring basin (16) is fixedly connected to a support plate (12), and the side of the sliding block (14) away from the pouring basin (16) is fixedly connected to a positioning plate (13).
8. The lost foam runner for high chromium alloy wear-resistant parts according to claim 7, characterized in that: The positioning plate (13) is also fixed on the support plate (12) by screwing the bolts.