Rough polishing hanger for gray iron alloy automobile engine cylinder body
By designing a new gray ferroalloy automobile engine cylinder block thick throwing tool, the cylinder block water jacket and oil passage opening face downwards, the problem of residual sand in the cylinder block cannot be cleaned up, the cleanliness and production efficiency are improved, and the rework rate and operating costs are reduced.
Patent Information
- Application Number
- CN202421485775.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-27
AI Technical Summary
During the use of existing gray ferroalloy automobile engine cylinder bore rough throwing tools, the residual sand in the cylinder body water jacket and oil channels cannot be eliminated, and the steel balls and residual sand accumulate, affecting the cleanliness and high rework rate.
A new gray ferroalloy automobile engine cylinder block thick throwing tool is designed. By adjusting the position of the cylinder water sleeve and oil passage opening, they are all facing downwards, the steel balls emitted by the shot blasting equipment can effectively clean up the residual sand in the cylinder water sleeve and oil passage.
The cleanliness of shot blasting in the cylinder water jacket and oil passage is improved, the rework rate is reduced, the production efficiency is improved, and the electricity bills of equipment and dust removal motors and staff salaries are reduced.
Smart Images
Figure CN222818674U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engine cylinder holes, in particular to a grey iron alloy automobile engine cylinder body rough polishing hanger. Background Art
[0002] After die casting, the engine cylinder block must be shot blasted. In order to ensure continuous production, the current shot blasting machine usually hangs the engine cylinder block on a hanger. The cylinder bore of the gray iron alloy automobile engine is sand cast. The gray iron alloy material is used for post-cleaning. The hook shot blasting sand cleaning process is used; after the hook shot blasting, the cleanliness of the water jacket and the oil channel of this cylinder block cannot meet the standard, the rework rate is about 40%, the position of some oil channels cannot be found, and the engine crankshaft locking rate is about 100ppm.
[0003] However, the existing gray iron alloy automobile engine cylinder bore rough polishing hanger has the following problems during use: when the traditional old hanger hangs the cylinder body, the oil channel port and the water jacket port of the cylinder body are both in a tilted state at a low angle on the same horizontal line, which will cause the residual sand in the cylinder water jacket and oil channel to be unable to be removed, and a large amount of steel shots and residual sand accumulate in the water jacket hole and the oil channel hole, which cannot be cleaned and discharged in time. Subsequent grinding and secondary shot blasting cannot be thoroughly cleaned, which seriously affects the cleanliness of the water jacket and oil channel. The utility model needs to improve the problem of unqualified cleanliness caused by residual sand and shot particles in the cylinder water jacket and oil channel. Utility Model Content
[0004] The utility model aims to provide a gray iron alloy automobile engine cylinder rough polishing hanger to solve the problem of unqualified cleanliness caused by residual sand and pellets in the cylinder water jacket and oil channel.
[0005] To achieve the above object, the utility model provides the following technical solutions: a gray iron alloy automobile engine cylinder block rough polishing hanger, comprising a hook main rod, a lateral support rod and a connecting ring, the outer wall of the hook main rod is welded with two sets of bracket structures, and the top view angles of the two sets of bracket structures are staggered by 36 degrees, and the spacing between the bracket structures is 850 mm;
[0006] The bracket structure includes lateral support rods, multiple lateral support rods are welded to the outer wall of the hook main rod, and a connecting ring is welded to the bottom end of the lateral support rod. A support rod is obliquely welded to the outer wall of the hook main rod, and the outer side of the support rod is fixed to the top of the connecting ring by welding, and a limiting column is welded to the top of the lateral support rod.
[0007] The technical solution provides a gray iron alloy automobile engine cylinder block rough polishing hanger, wherein the lateral support rods, the support rods and the connecting rings form a triangular welding fixing mechanism in the vertical direction.
[0008] The technical solution provides a gray iron alloy automobile engine cylinder block rough polishing hanger, wherein the lateral support rod 2 is made of Q235 steel.
[0009] The technical solution provides a gray iron alloy automobile engine cylinder rough polishing hanger, wherein the outer wall of the limit column is sleeved with the engine cylinder, and the inner wall of the engine cylinder is provided with a plurality of engine cylinder holes penetrating the limit column, and the inner wall of the engine cylinder is provided with a plurality of cylinder water jackets.
[0010] The technical solution provides a gray iron alloy automobile engine cylinder block rough polishing hanger, wherein a plurality of oil channel openings are opened inside the engine cylinder block.
[0011] Compared with the prior art, the utility model provides a gray iron alloy automobile engine cylinder block rough polishing hanger, which has the following beneficial effects:
[0012] The utility model redesigns the structure of the engine cylinder hole itself, and makes the cylinder water jacket and the oil channel opening all face downward, so that the steel shots shot by the shot blasting equipment can be shot into the cylinder water jacket and the oil channel opening, and the steel shots and sand are discharged in time, and will not be accumulated in the cylinder water jacket and the oil channel opening, and will not block the cleaning effect of the subsequently shot steel shots, thereby improving the cleanliness of the cylinder water jacket and the oil channel after shot blasting, and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;
[0015] Figure 3 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 4 It is a schematic diagram of the structure of the engine cylinder hole and cylinder water jacket of the utility model.
[0017] In the figure: 1. main rod of the hook; 2. lateral support rod; 3. support rod; 4. connecting ring; 5. limit column; 6. engine cylinder hole; 7. cylinder water jacket; 8. oil channel opening. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] Embodiment 1, as Figure 1-4 As shown, the utility model provides a technical solution: a gray iron alloy automobile engine cylinder block rough polishing hanger, comprising a hook main rod 1, a lateral support rod 2 and a connecting ring 4, the outer wall of the hook main rod 1 is welded with two groups of bracket structures, and the top view angles of the two groups of bracket structures are staggered by 36 degrees, and the spacing between the bracket structures is 850 mm, the bracket structure, which comprises a lateral support rod 2, the outer wall of the hook main rod 1 is welded with a plurality of lateral support rods 2, and the bottom end of the lateral support rod 2 is welded with a connecting ring 4, the outer wall of the hook main rod 1 is obliquely welded with a support rod 3, and the outer side of the support rod 3 is fixed to the top of the connecting ring 4 by welding, the top of the lateral support rod 2 is welded with a limiting column 5, the lateral support rod 2, the support rod 3 and the connecting ring 4 form a triangular welding fixing mechanism in the vertical direction, the lateral support rod 2 is made of Q235 steel, the outer wall of the limiting column 5 is sleeved with an engine cylinder block, and the interior of the engine cylinder block is provided with an engine cylinder hole 6, and the inner wall of the engine cylinder block is opened A plurality of cylinder water jackets 7 are provided, and a plurality of oil passage openings 8 are opened inside the engine cylinder. The operator places the engine cylinder through the engine cylinder hole 6 and inserts it into the limit column 5. At the same time, the lateral support rod 2 and the support rod 3 support the engine cylinder so that the cylinder water jacket 7 of the engine cylinder and the oil passage opening 8 are downwardly facing. Then, the shot force generated by the casting sand and shot blasting for supporting the engine cylinder can be easily discharged from the cylinder water jacket 7 and the oil passage opening 8, thereby improving the cleanliness of the cylinder water jacket 7 and the oil passage opening 8, and eliminating the rework and waste loss caused by the cleanliness problem. By redesigning the structure of the engine cylinder hole 6 itself, the steel shot shot by the shot blasting equipment can be shot into the cylinder water jacket 7 and the oil passage opening 8, and the steel shot and sand are discharged in time, will not accumulate in the cylinder water jacket 7 and the oil passage opening 8, and will not block the cleaning effect of the subsequent shot, thereby improving the cleanliness of the cylinder water jacket 7 and the oil passage opening 8 after shot blasting, and improving production efficiency.
[0020] Working principle: First, connect the external power supply, start the shot blasting machine, insert the engine cylinder hole 6 in the engine cylinder into the limit column 5, and at the same time, the lateral support rod 2 and the support rod 3 form a support for the engine cylinder, so that the cylinder water jacket 7 of the engine cylinder and the oil channel port 8 are facing downward. Then, after shot blasting, the casting sand and the shot particles sprayed by the shot blasting machine can be easily discharged from the cylinder water jacket 7 and the oil channel port 8, which improves the cleanliness of the cylinder water jacket 7 and the oil channel port 8, eliminates rework and waste losses caused by cleanliness problems, and improves production efficiency. According to the actual annual output of 600,000 cylinder bodies, the cleanliness problem rate is 100ppm, and the annual repair fee of 60 units is 12,000 yuan. This structure improves the production efficiency of shot blasting equipment, from 20 pieces / 8 minutes to 20 pieces / 5 minutes, improving production efficiency by 60%; according to the actual annual output of 600,000 cylinder bodies, it saves 1,500 hours (600,000 units / 20 pieces*3 minutes*193KWh) of equipment and dust removal motor electricity costs of 193,000 yuan each year, and reduces 1,500 hours of employee wages by 60,000 yuan (2 people operating).
[0021] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A grey iron alloy automobile engine cylinder block rough polishing hanger, comprising a hook main rod (1), a lateral support rod (2) and a connecting ring (4), characterized in that: Two sets of bracket structures are welded to the outer wall of the hook main rod (1), and the top view angles of the two sets of bracket structures are staggered by 36 degrees, and the spacing between the bracket structures is 850 mm; The bracket structure comprises a lateral support rod (2), a plurality of lateral support rods (2) are welded to the outer wall of the hook main rod (1), and a connecting ring (4) is welded to the bottom end of the lateral support rod (2), a support rod (3) is obliquely welded to the outer wall of the hook main rod (1), and the outer side of the support rod (3) is fixed to the top of the connecting ring (4) by welding, and a limiting column (5) is welded to the top end of the lateral support rod (2).
2. A gray iron alloy automobile engine cylinder block rough polishing hanger according to claim 1, characterized in that: The lateral support rods (2), the support rods (3) and the connecting rings (4) form a triangular welding fixing mechanism in the vertical direction.
3. A gray iron alloy automobile engine cylinder block rough polishing hanger according to claim 1, characterized in that: The lateral support rod (2) is made of Q235 steel.
4. A gray iron alloy automobile engine cylinder block rough polishing hanger according to claim 1, characterized in that: The outer wall of the limiting column (5) is sleeved with an engine cylinder body, and the inner wall of the engine cylinder body is provided with a plurality of engine cylinder holes (6) penetrating the limiting column (5), and the inner wall of the engine cylinder body is provided with a plurality of cylinder water jackets (7).
5. A gray iron alloy automobile engine cylinder block rough polishing hanger according to claim 4, characterized in that: A plurality of oil passage openings (8) are provided inside the engine cylinder body.