Investment casting shell cleaning device
By introducing a support frame and a clamping mechanism for the first drive component into the investment casting device, the problem of the module falling off is solved, and dust contamination is prevented by the dust cover and the second drive component, thereby improving the stability and cleanliness of investment casting.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUCHENG ZHUOYUAN MASCH CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-04-24
AI Technical Summary
Existing investment casting equipment lacks an adjustable clamping mechanism, which causes modules of different sizes to easily fall off during transfer and shell cleaning, affecting work efficiency.
A clamping mechanism including a support frame and a first driving component is designed. The support frame and the first driving component work together to clamp and fix both ends of the module. A dustproof shell and a second driving component are provided to prevent dust contamination.
It achieves stable fixation of modules of different sizes, preventing them from falling off, and effectively prevents dust pollution during the shell cleaning process, thus improving work efficiency and environmental cleanliness.
Smart Images

Figure CN224157752U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of investment casting technology, specifically to an investment casting shell cleaning device. Background Technology
[0002] Investment casting, also known as lost-wax casting, includes processes such as wax pressing, wax trimming, tree assembly, slurry application, wax melting, pouring molten metal, and post-processing. Lost-wax casting involves creating a wax model of the part to be cast, then coating the wax model with clay slurry to form a clay model. After the clay model dries, it is placed in hot water to melt the inner wax model. The melted clay model is then removed and fired to form a ceramic mold. A pouring gate is typically left during the clay model making process, through which molten metal is poured. After cooling, the desired part is formed.
[0003] A search revealed a Chinese patent (CN221808931U) disclosing a shell-cleaning device for investment casting. Its key technical features include: a bottom support, a fixed frame, a shell-cleaning assembly for the investment casting mold, a transfer assembly for the investment casting mold, and a shell-cleaning and dust-removing assembly. The shell-cleaning assembly includes a lifting hydraulic rod, a connecting plate, a top support frame, a support shaft, a rotary motor, a transmission belt, and a rotating eccentric wheel. The transfer assembly includes a transmission threaded rod, a drive motor, a limiting support rod, a support seat groove, a support seat slider, a movable support seat, and a fixed plate for the investment casting mold. The dust-removing assembly includes a support ring plate, a motor fixing rod, a blower motor, a blower transmission shaft, and rotating blower blades. The fixed frame facilitates automated hammering and crushing of the shell during the investment casting shell-cleaning process. The shell-cleaning assembly facilitates automated transfer of the investment casting mold. The transfer assembly facilitates the blowing off of debris and powder after shell cleaning.
[0004] However, the existing technology lacks an adjustable clamping mechanism, making it inconvenient to fix modules of different sizes. During transportation and shell cleaning, the modules may fall off, causing damage and affecting work efficiency. In order to solve the deficiency of the lack of a clamping mechanism in the existing technology, this application clamps both ends of the module by driving the support frame and clamping block to move through the first driving component, thereby achieving the effect of fixing modules of different sizes. Therefore, a new solution is needed to solve this problem. Utility Model Content
[0005] In view of the above-mentioned background technology, there are shortcomings and defects in the existing technology due to the lack of a clamping mechanism.
[0006] This utility model discloses a shell-cleaning device for investment casting, comprising a base plate, a support frame above the base plate, a placement frame fixedly connected to the upper surface of the support frame, two support frames slidably connected to the upper surface of the placement frame, a clamping block fixedly connected to the top of each support frame, a first driving member fixedly connected to each support frame, a first driving rod below the placement frame, a first gear rotatably connected to both ends of the placement frame, a second gear below each first gear, a transmission rod below the first driving rod, and a third gear fixedly connected to the middle section of the transmission rod.
[0007] Furthermore, a first support plate is provided below the transmission rod, and a first motor is fixedly installed on the upper surface of the first support plate. A fourth gear is fixedly connected to the output end of the first motor.
[0008] Furthermore, a support box is fixedly connected to the upper surface of the base plate, and two sliding grooves are formed on the outer surface of the support box.
[0009] Furthermore, a second support plate is fixedly connected to the upper surface of the base plate, a support rod is fixedly connected to the upper surface of the second support plate, and a pneumatic vibration shell device is fixedly installed at the top end of the support rod.
[0010] Furthermore, two uprights are fixedly connected to the upper surface of the base plate, and two dustproof shells are provided between the two uprights.
[0011] Furthermore, two limiting rods are fixedly connected between the two uprights, and two limiting components are slidably connected to the outer surface of each limiting rod.
[0012] Furthermore, a second motor is fixedly installed on the upper surface of the base plate, and a second drive rod is fixedly connected to the output end of the second motor. Two second drive components are threadedly connected to the outer surface of the second drive rod.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. This utility model, by setting up a support frame and a first driving component, and through the cooperation between the support frame and the first driving component, enables the first driving component to drive the clamping block to move through the support frame, thereby clamping the two ends of the module. This achieves the effect of fixing modules of different sizes by setting up a support frame and a first driving component, and solves the shortcomings of current technical solutions that lack a clamping mechanism and make the module easy to fall off.
[0015] 2. By setting up a dustproof shell and a second driving component, and through the cooperation between the dustproof shell and the second driving component, the second driving rod can drive the dustproof shell to move, thereby covering and sealing the placement rack and other components. This achieves the effect of the present invention in preventing debris and dust from polluting the environment during shell cleaning by setting up a dustproof shell and a second driving component. Attached Figure Description
[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0017] Figure 1 This is a schematic diagram of the overall front structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the overall rear structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the dustproof shell structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the placement rack structure of this utility model;
[0021] Figure 5 This is a schematic diagram of the first drive rod structure of this utility model.
[0022] In the diagram: 1. Base plate; 2. Support frame; 3. Placement rack; 4. Support frame; 5. Clamping block; 6. First driving component; 7. First driving rod; 8. First gear; 9. Second gear; 10. Transmission rod; 11. Third gear; 12. First support plate; 13. First motor; 14. Fourth gear; 15. Support box; 16. Slide groove; 17. Second support plate; 18. Support rod; 19. Pneumatic vibrating shell device; 20. Stand; 21. Dustproof shell; 22. Limiting rod; 23. Limiting component; 24. Second motor; 25. Second driving rod; 26. Second driving component. Detailed Implementation
[0023] The following illustrations will reveal several embodiments of the present invention. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit the present invention. That is, in some embodiments of the present invention, these physical details are not essential. Furthermore, for the sake of simplicity, some conventional structures and components will be shown in a simple schematic manner in the illustrations.
[0024] Please see Figure 1 , 23, 4, 5, A shell cleaning device for investment casting according to this utility model includes a base plate 1, a support frame 2 above the base plate 1, a placement frame 3 fixedly connected to the upper surface of the support frame 2, two support frames 4 slidably connected to the upper surface of the placement frame 3, a clamping block 5 fixedly connected to the top of each support frame 4, a first driving member 6 fixedly connected to each support frame 4, a first driving rod 7 below the placement frame 3, a first gear 8 rotatably connected to both ends of the placement frame 3, a second gear 9 below each first gear 8, a transmission rod 10 below the first driving rod 7, a third gear 11 fixedly connected to the middle section of the transmission rod 10, and each first driving member 6 slidably connected to the lower surface of the placement frame 3. The support frame 4, clamping block 5, and first driving member 6 are slidably connected to the lower surface of the placement frame 3. All moving parts 6 are symmetrically installed. The outer surface of the first drive rod 7 is provided with a bidirectional thread. The interior of each first drive part 6 is threaded to the outer surface of the first drive rod 7. The two ends of the first drive rod 7 are respectively fixedly connected to two first gears 8. Each first gear 8 meshes with a corresponding second gear 9. Each second gear 9 is rotatably connected to the placement frame 3. The two ends of the transmission rod 10 are respectively fixedly connected to the corresponding second gear 9. When the transmission rod 10 rotates, the transmission rod 10 drives the second gear 9 to rotate. The second gear 9 drives the first gear 8 to rotate. The first gear 8 drives the first drive rod 7 to rotate. The first drive rod 7 drives the two first drive parts 6 to slide. The first drive parts 6 drive the clamping block 5 to move through the support frame 4, thereby clamping the module on the upper surface of the placement frame 3.
[0025] A first support plate 12 is provided below the transmission rod 10. A first motor 13 is fixedly installed on the upper surface of the first support plate 12. A fourth gear 14 is fixedly connected to the output end of the first motor 13. Both ends of the first support plate 12 are fixedly connected to the support frame 2. The fourth gear 14 meshes with the third gear 11.
[0026] A support box 15 is fixedly connected to the upper surface of the base plate 1. Two sliding grooves 16 are opened on the outer surface of the support box 15. The support box 15 is located below the support frame 2. The support frame 2 is slidably connected to the support box 15 through the sliding grooves 16.
[0027] A second support plate 17 is fixedly connected to the upper surface of the base plate 1, and a support rod 18 is fixedly connected to the upper surface of the second support plate 17. A pneumatic vibrating shell device 19 is fixedly installed at the top of the support rod 18. The second support plate 17 is fixedly connected to the support box 15. The pneumatic vibrating shell device 19 contacts the shell on the outer surface of the module by lifting and lowering, thereby cleaning the shell.
[0028] Two uprights 20 are fixedly connected to the upper surface of the base plate 1. Two dustproof shells 21 are set between the two uprights 20. The uprights 20 and the dustproof shells 21 are symmetrically installed. Each dustproof shell 21 is slidably connected to the second support plate 17. The outer surface of the dustproof shell 21 is provided with an observation window. The upper surface of the dustproof shell 21 has a circular opening corresponding to the pneumatic vibration shell device 19.
[0029] Two limiting rods 22 are fixedly connected between the two uprights 20. Two limiting parts 23 are slidably connected to the outer surface of each limiting rod 22. Each limiting part 23 is fixedly connected to the upper surface of the corresponding dustproof shell 21. The limiting rods 22 and the limiting parts 23 play a limiting and supporting role in the movement of the dustproof shell 21.
[0030] A second motor 24 is fixedly installed on the upper surface of the base plate 1. A second drive rod 25 is fixedly connected to the output end of the second motor 24. Two second drive components 26 are threadedly connected to the outer surface of the second drive rod 25. The outer surface of the second drive rod 25 is provided with bidirectional threads. The two ends of the second drive rod 25 are respectively rotatably connected to the corresponding uprights 20. The second drive components 26 are symmetrically installed. Each second drive component 26 is fixedly connected to the corresponding dustproof shell 21. The interior of each second drive component 26 is threadedly connected to the outer surface of the second drive rod 25.
[0031] The implementation principle is as follows: The module to be cleaned is placed on the upper surface of the placement rack 3. The first motor 13 is started. The output of the first motor 13 drives the fourth gear 14 to rotate. The fourth gear 14 drives the third gear 11 to rotate. The third gear 11 drives the transmission rod 10 to rotate. The transmission rod 10 drives the second gear 9 to rotate. The second gear 9 drives the first gear 8 to rotate. The first gear 8 drives the first drive rod 7 to rotate. The first drive rod 7 drives the two first drive components 6 to slide. The first drive components 6 drive the support frame 4 to slide. The support frame 4 drives the clamping block 5 to move, thereby clamping and fixing both ends of the module. The sliding support frame 2 moves the support frame 2 and the placement rack 3 and other components between the two dustproof shells 21. The second motor 24 is started. The output of the second motor 24 drives the second drive rod 25 to rotate. The second drive rod 25 drives the two second drive components 26 to move. The second drive components 26 drive the dustproof shells to move towards each other and close. The pneumatic shell vibration device 19 is started, thereby shattering the shell on the outer surface of the module.
[0032] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.
Claims
1. A shell-cleaning device for investment casting, comprising a base plate (1), characterized in that: A support frame (2) is provided above the base plate (1). A placement frame (3) is fixedly connected to the upper surface of the support frame (2). Two support frames (4) are slidably connected to the upper surface of the placement frame (3). A clamping block (5) is fixedly connected to the top of each support frame (4). A first driving member (6) is fixedly connected to each support frame (4). A first driving rod (7) is provided below the placement frame (3). A first gear (8) is rotatably connected to both ends of the placement frame (3). A second gear (9) is provided below each first gear (8). A transmission rod (10) is provided below the first driving rod (7). A third gear (11) is fixedly connected to the middle section of the transmission rod (10).
2. The shell cleaning device for investment casting according to claim 1, characterized in that: A first support plate (12) is provided below the transmission rod (10), and a first motor (13) is fixedly installed on the upper surface of the first support plate (12). A fourth gear (14) is fixedly connected to the output end of the first motor (13).
3. The shell cleaning device for investment casting according to claim 1, characterized in that: A support box (15) is fixedly connected to the upper surface of the base plate (1), and two sliding grooves (16) are opened on the outer surface of the support box (15).
4. The shell cleaning device for investment casting according to claim 1, characterized in that: A second support plate (17) is fixedly connected to the upper surface of the base plate (1), and a support rod (18) is fixedly connected to the upper surface of the second support plate (17). A pneumatic vibrating shell device (19) is fixedly installed at the top of the support rod (18).
5. The shell cleaning device for investment casting according to claim 1, characterized in that: Two uprights (20) are fixedly connected to the upper surface of the base plate (1), and two dustproof shells (21) are provided between the two uprights (20).
6. The shell cleaning device for investment casting according to claim 5, characterized in that: Two limiting rods (22) are fixedly connected between the two uprights (20), and two limiting members (23) are slidably connected to the outer surface of each limiting rod (22).
7. The shell cleaning device for investment casting according to claim 1, characterized in that: A second motor (24) is fixedly installed on the upper surface of the base plate (1). The output end of the second motor (24) is fixedly connected to a second drive rod (25). Two second drive components (26) are threadedly connected to the outer surface of the second drive rod (25).
Citation Information
Patent Citations
Investment casting shell cleaning device
CN221808931U