Gear profile finishing device for gear production
By designing a gear tooth dressing device for gear production, the problem of debris accumulation during gear dressing was solved, thus protecting the gear transmission accuracy and lifespan, and improving the convenience of gear angle adjustment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 成都恒予精密机械有限公司
- Filing Date
- 2025-04-28
- Publication Date
- 2026-05-29
AI Technical Summary
Existing gear processing equipment generates debris during the dressing process that tends to accumulate, affecting the meshing transmission accuracy and gear life.
A gear profile trimming device for gear production has been designed, comprising a base, a placement platform, a positioning mechanism, and an air pump. The air pump sucks in debris and collects it inside the base. Combined with a cutting groove and ball bearing structure, it prevents debris accumulation and improves the ease of gear angle adjustment.
It effectively prevents debris accumulation, protects the gear meshing transmission accuracy, extends gear service life, and improves the convenience of gear angle adjustment.
Smart Images

Figure CN224294868U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gear manufacturing technology, specifically to a gear tooth profile trimming device for gear manufacturing. Background Technology
[0002] A search revealed that Chinese Patent Publication No. CN118768657A discloses a precision dressing device for large gear machining. Although this device can eliminate the lateral backlash of the gears through the meshing transmission of four gears and the gear ring during the driving process, ensuring that the worktable does not vibrate significantly due to the action of the cutting tool during gear machining, thereby improving the machining accuracy of the gears, a lot of grinding debris is generated during the tooth profile dressing process as the grinding gears come into contact with each other. This grinding debris is prone to accumulate in the gear machining area and on other parts of the device. If the debris accumulates at the meshing part of the gear and the gear ring, it will increase the meshing resistance, affect the normal transmission accuracy of the gears, and long-term accumulation may also lead to accelerated wear on the gear surface and reduce the service life of the gears. Utility Model Content
[0003] To address the shortcomings of existing technologies, this utility model provides a gear tooth profile trimming device for gear production, which solves the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a gear tooth profile trimming device for gear production, comprising a base, a placement platform, and a fastening block. A shaping mechanism is installed at one end of the top of the base for trimming gear teeth. A placement platform is located on the top of the base, and a gear is located on the top of the placement platform. A positioning mechanism is located on one side of the gear for fixing the gear. The positioning mechanism is installed at one end of the placement platform. The base has a hollow internal structure, and an air pump is located on one side of the base, communicating with the interior of the base. A connecting hole is located at the top of the base. The bottom of the placement platform is detachable for easy cleaning of internal metal debris. After entering the base, the metal debris will settle inside the base under gravity. The air pump is detachably connected to the base, and a filter screen is installed at the air pump port.
[0005] Preferably, the positioning mechanism includes a threaded rod, one bottom end of which is rotatably connected to the end of the placement platform, one top end of which is welded to a turntable, and one end of which is threadedly connected to a fastening block.
[0006] Preferably, the bottom of the fastening block is connected to the placement platform via a telescopic rod, and one end of the fastening block is made of circular rubber material.
[0007] Preferably, the surface of the placement platform is provided with a cutting groove, which is a U-shaped groove and is connected to the interior of the connecting hole.
[0008] Preferably, the surface of the placement platform is provided with an annular groove, and a ball bearing is provided inside the annular groove.
[0009] The shaping mechanism is existing technology. Referring to the patent CN118768657A, a precision dressing device for large gear processing is disclosed. The specific principle and related components will not be further described in this solution.
[0010] This utility model provides a tooth profile trimming device for gear production. It has the following beneficial effects:
[0011] (1) The gear tooth profile trimming device for gear production places the gear on the surface of the placement table, and then rotates the turntable so that the turntable can drive the threaded rod to rotate. While the threaded rod rotates, it can drive the fastening block to move downward to fix the gear. Then the gear is trimmed by the shaping mechanism. The metal shavings generated during the trimming process can be sucked into the base through the connecting pipe hole under the action of the air pump, so that the metal shavings can be collected in the base, thereby avoiding the accumulation of slag at the meshing part of the gear and the gear ring. At the same time, due to the existence of the cutting groove, the shaping mechanism can avoid contact with the placement table when it moves downward, thereby protecting the shaping mechanism.
[0012] (2) The gear profile trimming device for gear production has ball bearings on the surface of the placement table, so that the gear can adjust its angle on the surface of the placement table after it is freed from the fixing of the positioning mechanism, thereby improving the convenience of gear angle adjustment. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a top view of the structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the connecting hole structure of this utility model;
[0016] Figure 4 This is a schematic diagram of the ball bearing structure of this utility model.
[0017] In the diagram, 1 is the base; 2 is the shaping mechanism; 3 is the air pump; 4 is the placement platform; 5 is the gear; 6 is the ball bearing; 7 is the cutting groove; 8 is the connecting hole; 9 is the telescopic rod; 10 is the threaded rod; 11 is the turntable; and 12 is the fastening block. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Example 1:
[0020] Please see Figures 1-4 This utility model provides a technical solution: a gear tooth profile trimming device for gear production, including a base 1, a placement platform 4, and a fastening block 12. A shaping mechanism 2 is installed at one end of the top of the base 1, and the shaping mechanism 2 is used to trim the tooth profile of a gear 5. The placement platform 4 is located on the top of the base 1, and the gear 5 is mounted on the top of the placement platform 4. A positioning mechanism is located on one side of the gear 5, and the positioning mechanism is used to fix the gear 5. The positioning mechanism is installed at one end of the placement platform 4. The base 1 has a hollow internal structure, and an air pump 3 is located on one side of the base 1, communicating with the interior of the base 1. A connecting hole 8 is located at the top of the base 1. By placing gear 5 on the surface of the placement table 4, and then rotating the turntable 11, the turntable 11 can drive the threaded rod 10 to rotate. As the threaded rod 10 rotates, it can drive the fastening block 12 to move downward to fix gear 5. Then, the shaping mechanism 2 can trim gear 5. The metal shavings generated during the trimming process can be sucked into the base 1 through the connecting pipe hole under the action of the air pump 3, so that the metal shavings can be collected inside the base 1, avoiding the accumulation of debris at the meshing part of gear 5 and gear ring. At the same time, due to the presence of the cutting groove 7, the shaping mechanism 2 can avoid contact with the placement table 4 when moving downward, thereby protecting the shaping mechanism 2.
[0021] Example 2:
[0022] Please see Figures 1-4This utility model provides a technical solution: a gear profile trimming device for gear production. The positioning mechanism includes a threaded rod 10, one bottom end of which is rotatably connected to the end of a placement platform 4. A turntable 11 is welded to the top end of the threaded rod 10. The threaded rod 10 is threadedly connected to one end of a fastening block 12. The bottom of the fastening block 12 is connected to the placement platform 4 via a telescopic rod 9. The bottom of one end of the fastening block 12 is made of circular rubber. A cutting groove 7 is provided on the surface of the placement platform 4. The cutting groove 7 is a U-shaped groove and communicates with the interior of a connecting hole 8. An annular groove is provided on the surface of the placement platform 4, and a ball bearing 6 is provided inside the annular groove. By providing the ball bearing 6 on the surface of the placement platform 4, the gear 5 can adjust its angle on the surface of the placement platform 4 via the ball bearing 6 after being released from the fixing of the positioning mechanism, thereby improving the convenience of adjusting the angle of the gear 5.
[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A gear tooth profile dressing device for gear production, characterized in that: Includes a base (1), a placement platform (4) and a fastening block (12). A shaping mechanism (2) is installed at one end of the top of the base (1). The shaping mechanism (2) is used to trim the tooth profile of the gear (5). A placement platform (4) is provided on the top of the base (1). A gear (5) is provided on the top of the placement platform (4). A positioning mechanism is provided on one side of the gear (5). The positioning mechanism is used to fix the gear (5). The positioning mechanism is installed at one end of the placement platform (4). The base (1) has a hollow structure inside. An air pump (3) is provided on one side of the base (1). The air pump (3) is connected to the inside of the base (1). A connecting hole (8) is provided on the top of the base (1).
2. The gear tooth profile dressing device for gear production according to claim 1, characterized in that: The positioning mechanism includes a threaded rod (10), one bottom end of which is rotatably connected to the end of the placement platform (4), one top end of which is welded with a turntable (11), and one end of which is threadedly connected to a fastening block (12).
3. The gear tooth profile dressing device for gear production according to claim 2, characterized in that: The bottom of the fastening block (12) is connected to the placement platform (4) via a telescopic rod (9), and one end of the fastening block (12) is made of circular rubber.
4. The gear tooth profile dressing device for gear production according to claim 3, characterized in that: The surface of the placement platform (4) is provided with a cutting groove (7), which is a U-shaped groove and is connected to the inside of the connecting hole (8).
5. The gear tooth profile dressing device for gear production according to claim 4, characterized in that: The surface of the placement platform (4) is provided with an annular groove, and a ball bearing (6) is provided inside the annular groove.