Sand cleaning choke plug hole compound tool
By designing sand-clearing and hole composite tool and combining multi-functional knife particles, the problems of low efficiency and high cost in cylinder processing are solved, efficient and low-cost orifice amplification and chamfering processing are achieved, and the engine product quality is improved .
Patent Information
- Application Number
- CN202420146895.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-22
AI Technical Summary
In cylinder processing, the efficiency of reaming and orifice chamfering of sand cleaning head holes is low, and two single-use welding alloy tools are required, which are costly and cumbersome to change the tool, and the processed orifices often have edges and angles. Burrs affect the quality of engine products.
A composite tool for cleaning sand and stuffing holes is designed, including a tool slot with a circumferential array arrangement and a multi-functional tool installed in the tool slot. By optimizing the tool structure, the original two tools are processed into one, which improves the Efficiency and cost reduction.
The hole reaming and chamfering processing is achieved through a composite tool, which improves processing efficiency, reduces costs, and reduces edges and burrs of the orifices, avoids leakage problems of engine products.
Smart Images

Figure CN222242696U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a composite tool, in particular to a composite tool for sand cleaning blind holes. Background Art
[0002] In the current cylinder processing technology, the efficiency of the expansion and chamfering of the sand-clearing blind hole is low. A total of two tools are required for processing: a welding alloy blade expansion tool and a welding alloy blade chamfering tool, which is inefficient. In addition, the welding tools are all disposable tools, the tool cost is high, and the tool change is cumbersome; in addition, the bottom hole and chamfer of the sand-clearing blind hole will produce edges and burrs, and the chamfer depth of the hole is different. After the sand-clearing blind hole machine is completed, leakage problems occasionally occur during the leak test process after the blind hole bowl plug is installed, affecting the quality of engine products. Utility Model Content
[0003] The utility model aims to provide a composite tool for sand cleaning blind holes, which is used to solve the above problems.
[0004] In order to achieve the above-mentioned object, the utility model provides the following technical solutions: a composite tool for sand cleaning and blinding, comprising a tool, wherein the side of the tool is provided with tool grooves arranged in a circumferential array and extending to the end thereof;
[0005] The tool groove is divided into a first groove portion and a second groove portion from the tool end to the other end according to the structure;
[0006] It also includes a first blade particle and a second blade particle respectively installed in the first groove portion, wherein:
[0007] The first blade particle has at least two vertex corners extending out of the outside of the blade groove:
[0008] The first vertex angle extends from the end of the tool, and the angle between the extension line of the vertex angle and the end of the tool is 60°;
[0009] The second vertex extends out of the first slot portion;
[0010] A vertex of the second blade particle extends out of the second groove portion, and an extension line of the vertex is obliquely upward.
[0011] Preferably, the diameter of the first groove portion is smaller than the diameter of the second groove portion, and the difference between the diameter and the diameter is 3 mm.
[0012] Preferably, a distance between a first vertex angle of the first knife particle and a vertex angle of the second knife particle is 3 mm.
[0013] Preferably, the invention further comprises a C-shaped positioning protrusion disposed in the knife groove, and a vertex corner of the first knife particle and a vertex corner of the second knife particle are both stuck in the notch of the C-shaped positioning protrusion.
[0014] Preferably, the angle between the C-shaped positioning protrusion, the extended line of the axis of the first knife particle and the extended line of the end of the knife is 150°-155°.
[0015] Preferably, the angle between the C-shaped positioning protrusion, the extended line of the axis of the second knife particle and the extended line of the end of the knife is 120°-125°.
[0016] In the above technical scheme, the utility model provides a composite tool for sand cleaning and blinding holes, which has the following beneficial effects: the original multiple tools are combined into one tool for use, and the design of the composite tool for hole expansion and chamfering can be reduced from the original two tools to one tool through optimization, thereby improving efficiency and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0018] Figure 1 The present invention is a schematic diagram of the overall structure of an embodiment of the present invention.
[0019] Description of reference numerals:
[0020] 1. tool; 2. tool groove; 21. first groove portion; 22. second groove portion; 3. second tool grain; 4. first tool grain; 5. C-shaped positioning protrusion. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0022] like Figure 1 As shown, a composite tool for sand cleaning and blinding holes comprises a tool 1, and a side of the tool 1 is provided with tool grooves 2 arranged in a circumferential array and extending to the end thereof;
[0023] The tool groove 2 is divided into a first groove portion 21 and a second groove portion 22 from the end of the tool 1 to the other end according to the structure;
[0024] It also includes a first blade particle 4 (mounted by a hexagon socket screw) and a second blade particle 3 (mounted by a hexagon socket screw) respectively mounted on the first groove portion 21, wherein:
[0025] The first blade particle 4 has at least two vertices extending out of the blade groove 2:
[0026] The first vertex extends from the end of the tool 1, and the angle between the extension line of the vertex and the end of the tool 1 is 60°;
[0027] The second vertex extends out of the first groove portion 21;
[0028] A vertex of the second blade particle 3 extends out of the second groove portion 22 , and the extension line of the vertex is obliquely upward.
[0029] Furthermore, in the above embodiment, the diameter of the first groove portion 21 is smaller than the diameter of the second groove portion 22, and the difference is 3 mm.
[0030] Secondly, the distance between the first vertex of the first blade particle 4 and a vertex of the second blade particle 3 is 3 mm.
[0031] The above embodiment further comprises a C-shaped positioning protrusion 5 arranged in the knife groove 2 , and one vertex corner of the first knife particle 4 and the second knife particle 3 are both stuck in the notch of the C-shaped positioning protrusion 5 .
[0032] in:
[0033] The angle between the C-shaped positioning protrusion 5 and the extended line of the axis of the first knife particle 4 and the extended line of the end of the knife 1 is 150°-155°.
[0034] The angle between the C-shaped positioning protrusion 5 and the extension line of the axis of the second blade particle 3 and the extension line of the end of the blade 1 is 120°-125°
[0035] In the above technology, the original multiple tools are combined into one tool for use. The design of the composite tool for hole expansion (second tool particle 3) and chamfering (first tool particle 4) can be reduced from the original two tools to one tool through optimization, thereby improving efficiency and reducing costs.
[0036] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A composite tool for sand cleaning and blind hole, characterized in that: The tool (1) comprises a tool having a side surface provided with tool grooves (2) arranged in a circumferential array and extending to the end thereof; The knife groove (2) is divided into a first groove portion (21) and a second groove portion (22) from the end of the knife (1) to the other end according to the structure; It also includes a first blade particle (4) and a second blade particle (3) respectively mounted on the first groove portion (21), wherein: The first blade particle (4) has at least two vertex corners extending out of the outside of the blade groove (2): The first vertex angle extends from the end of the tool (1), and the angle between the extension line of the vertex angle and the end of the tool (1) is 60°; The second vertex extends out of the first groove portion (21); A vertex of the second blade particle (3) extends out of the second groove portion (22), and an extension line of the vertex is obliquely upward.
2. The composite tool for sand cleaning and blind hole according to claim 1, characterized in that: The diameter of the first groove portion (21) is smaller than the diameter of the second groove portion (22), and the difference between the diameters is 3 mm.
3. The composite tool for sand cleaning and blinding hole according to claim 1, characterized in that: The distance between a first vertex angle of the first blade particle (4) and a vertex angle of the second blade particle (3) is 3 mm.
4. The composite tool for sand cleaning and blind hole according to claim 1, characterized in that: It also includes a C-shaped positioning protrusion (5) arranged in the knife groove (2), and one vertex corner of the first knife particle (4) and the second knife particle (3) are both stuck in the notch of the C-shaped positioning protrusion (5).
5. The composite tool for sand cleaning and blind hole according to claim 4, characterized in that: The angle between the C-shaped positioning protrusion (5), the extended line of the axis of the first knife particle (4), and the extended line of the end of the knife (1) is 150°-155°.
6. The composite tool for sand cleaning and blinding holes according to claim 4, characterized in that: The angle between the C-shaped positioning protrusion (5), the extended line of the axis of the second knife particle (3), and the extended line of the end of the knife (1) is 120°-125°.
