Iron mold sand-coated mold for engine cylinder cover
By designing a splicing fixed support structure in the iron sand-covered mold of the engine cylinder head, the problem of inability to fix the mold connection is solved, tightening and fixing are achieved, gaps are avoided, and the sealing and the quality of the engine cylinder head are improved.
Patent Information
- Application Number
- CN202421969864.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The iron-type sand-covered mold of the engine cylinder head cannot fix the connection after closing, causing the gap to affect the sealing, which in turn causes defects in the cast engine cylinder head.
A spliced fixed support structure is designed, including a movable seat, a connecting shaft, a clamping plate and a clamping operating seat structure. Through the combination of these components, the mold is tightened and fixed, and the occurrence of gaps is avoided.
It effectively avoids the gap at the mold connection, improves the sealing ability, and ensures the quality and use effect of the cast engine cylinder head.
Smart Images
Figure CN223028395U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of engine cylinder head molds, and particularly relates to an iron-coated sand mold for engine cylinder heads. Background Art
[0002] The engine cylinder head is a very important component in an internal combustion engine. It is located at the upper part of the engine and is directly installed on the cylinder block. Its iron-coated sand mold is a mold used in the casting process. During the manufacturing process of the engine cylinder head, it is used for cast iron forming work. However, after closing, the connection part cannot be fixed, so gaps are likely to appear during use, affecting the sealing performance, and further easily causing defects in the cast engine cylinder head, affecting its use. Content of the Utility Model
[0003] In order to solve the above technical problems, the utility model provides an iron-coated sand mold for engine cylinder heads, which realizes the function of fixing the connection part after closing, avoiding the appearance of gaps affecting the sealing performance and avoiding defects in the cast engine cylinder head affecting its use.
[0004] Its technical solution is as follows: The iron-coated sand mold for engine cylinder heads includes a rear mold and a front mold, and the edges of the rear mold and the front mold are connected in an interpenetrating manner; a first connecting plate is bolted to the rear wall of the rear mold; a second connecting plate is bolted to the front end of the front mold; a splicing and fixing support structure is connected to the outside of the rear mold and the front mold. It is characterized in that the splicing and fixing support structure includes a movable seat, a connecting shaft rod is welded to the rear side inside the movable seat; a clamping plate is inserted through the front side inside the movable seat; a clamping operation seat structure is connected to the front end of the movable seat.
[0005] Preferably, the connecting shaft rods inside the movable seat are movably embedded in the upper and lower parts on the left and right sides inside the rear mold.
[0006] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0007] In the utility model, the movable seat and the connecting shaft rod are arranged to be used movably after installation.
[0008] In the utility model, the clamping plate is arranged to be used in cooperation with the movable seat for connection. Description of the Drawings
[0009] Figure 1 It is a structural schematic diagram of the utility model.
[0010] Figure 2 It is a structural schematic diagram of the splicing and fixing support structure of the utility model.
[0011] Figure 3 It is a structural schematic diagram of the clamping operation seat structure of the utility model.
[0012] In the figure:
[0013] 1. Rear mold; 2. Front mold; 3. First connecting plate; 4. Second connecting plate; 5. Splicing and fixing support structure; 51. Movable seat; 52. Connecting shaft rod; 53. Clamping plate; 54. Clamping operation seat structure; 541. Baffle; 542. Operating screw; 543. Hexagonal groove. Detailed implementation mode
[0014] The following further describes the present utility model with reference to the accompanying drawings:
[0015] Embodiment:
[0016] As shown in the attached Figure 1 figure, the iron sand-coated mold for engine cylinder head includes a rear mold 1 and a front mold 2, and the edges of the rear mold 1 and the front mold 2 are connected in an interpenetrating manner; a first connecting plate 3 is bolted to the rear wall of the rear mold 1; a second connecting plate 4 is bolted to the front end of the front mold 2; a splicing and fixing support structure 5 is connected to the outside of the rear mold 1 and the front mold 2.
[0017] As shown in the attached Figure 2 figure, in the above embodiment, specifically, the splicing and fixing support structure 5 includes a movable seat 51, and a connecting shaft rod 52 is welded to the rear side inside the movable seat 51; a clamping plate 53 is inserted through the front side inside the movable seat 51; a clamping operation seat structure 54 is connected to the front end of the movable seat 51; the movable seat 51 is turned over and sleeved on the outer wall of the clamping plate 53 for use.
[0018] As shown in the attached Figure 3 figure, in the above embodiment, specifically, the clamping operation seat structure 54 includes a baffle 541, and an operating screw 542 is movably embedded in the front end of the baffle 541; a hexagonal groove 543 is opened at the front end of the operating screw 542; the operating screw 542 is operated by a hexagonal wrench to make the baffle 541 movably press the clamping plate 53 for fixing.
[0019] In the above embodiment, specifically, the connecting shaft rods 52 inside the movable seat 51 are all movably embedded in the upper and lower parts on the left and right sides inside the rear mold 1.
[0020] In the above embodiment, specifically, the clamping plates 53 are all welded to the upper and lower sides of the left and right surfaces of the front mold 2.
[0021] In the above embodiment, specifically, a groove is opened at the front side inside the movable seat 51 and corresponds to the baffle 541 inside.
[0022] In the above embodiments, specifically, the operating screw rod 542 is threadedly connected to the front side inside the movable seat 51 and contacts the baffle plate 541. After the mold 1 and the front mold 2 are closed in this way, they are locked and fixed to prevent gaps from affecting the sealing performance and to avoid defects in the cast engine cylinder head that may affect its use.
[0023] In the above embodiments, specifically, the baffle plate 541 at the rear end of the operating screw rod 542 corresponds to the clamping plate 53.
[0024] Working principle
[0025] The working principle of the present utility model is as follows: When casting the engine cylinder head, the sand-covered rear mold 1 and the front mold 2 are closed and connected. Then, the movable seat 51 is rotated and sleeved on the outer wall of the clamping plate 53. Finally, the operating screw rod 542 is operated by a hexagon wrench to move the baffle plate 541 to tightly press the clamping plate 53 for fixation. Finally, the material can be poured into the rear mold 1 and the front mold 2 for cooling and forming.
[0026] Any technical solution using the technical solution of the present utility model, or a technical solution designed by those skilled in the art inspired by the technical solution of the present utility model and achieving the above technical effects shall fall within the protection scope of the present utility model.
Claims
1. An engine cylinder head iron mold sand-coated mold, the engine cylinder head iron mold sand-coated mold comprising a rear mold (1) and a front mold (2), the rear mold (1) and the front mold (2) are connected at the edges; the rear wall of the rear mold (1) is bolted to a first connecting plate (3); the front end of the front mold (2) is bolted to a second connecting plate (4); the outer sides of the rear mold (1) and the front mold (2) are connected to a splicing fixed support structure (5), characterized in that: The spliced fixed support structure (5) comprises a movable seat (51), a connecting shaft (52) is welded to the rear side of the movable seat (51); a clamping plate (53) is inserted into the front side of the movable seat (51); and a clamping operating seat structure (54) is connected to the front end of the movable seat (51).
2. The engine cylinder head iron mold sand-coated mold according to claim 1, characterized in that: The clamping operating seat structure (54) comprises a baffle (541), the front end of which is movably inlaid with an operating screw (542); the front end of the operating screw (542) is provided with a hexagonal groove (543).
3. The engine cylinder head iron mold sand-coated mold according to claim 1, characterized in that: The connecting shaft rods (52) inside the movable seat (51) are movably embedded in the upper and lower parts on the left and right sides of the rear mold (1).
4. The engine cylinder head iron mold sand-coated mold according to claim 1, characterized in that: The clamping plates (53) are welded to the upper and lower sides of the left and right surfaces of the front mold (2).
5. The engine cylinder head iron mold sand-coated mold according to claim 1, characterized in that: A groove is provided on the front side of the movable seat (51) and corresponds to the internal baffle (541).
6. The engine cylinder head iron mold sand-coated mold according to claim 2, characterized in that: The operating screw rod (542) is threadedly connected to the front side of the movable seat (51) and is in contact with the baffle (541).