Positioning device for gear machining

Abstract

The utility model discloses a gear machining positioning device which comprises a positioning shaft, a conical shaft neck and a threaded head and further comprises a baffle ring, an internal thread backing ring and a screwing knob, the conical shaft neck integrated with the positioning shaft is arranged at one end of the positioning shaft, the threaded head integrated with the conical shaft neck is arranged at one end of the conical shaft neck, and the internal thread backing ring is arranged at the other end of the conical shaft neck. The side, away from the conical shaft neck, of the positioning shaft is sleeved with a baffle ring, the baffle ring is connected with the positioning shaft in a welded mode, the positioning shaft is sleeved with the internal thread backing ring, and the internal thread backing ring is located on one side of the baffle ring. The periphery of the gear can be kept to have enough milling operation space, meanwhile, after the gear is assembled on a lathe, the circle center of the gear can be installed on the same horizontal line as the circle center of a lathe chuck, and the gear is helped to keep the correct circle center for turning treatment; the problem that an existing gear cannot be well matched with a lathe fixture to be assembled and machined is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear processing, in particular to a gear processing positioning device. Background Art

[0002] A gear is a mechanical element with teeth on its rim that can continuously mesh to transmit motion and power.

[0003] During the processing of existing gears, the processing surface is generally the outer tooth groove. This results in that when the lathe clamps the gear, the center of the lathe fixture (three-jaw chuck) cannot be clamped in the same horizontal line with the center of the gear, which is not conducive to the lathe fixture clamping and positioning the gear with the same center.

[0004] The existing lathe fixture has the following disadvantages in the positioning of gear processing: it is impossible to make the center of the circle of the gear during clamping and positioning consistent with the center of the circle of the lathe fixture without contacting the periphery of the gear. To this end, we propose a gear processing positioning device. Utility Model Content

[0005] The main purpose of the utility model is to provide a gear processing positioning device, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A gear processing positioning device includes a positioning shaft, a tapered shaft neck and a threaded head, and also includes a retaining ring, an internally threaded gasket and a tightening knob. One end of the positioning shaft is provided with a tapered shaft neck that is integrated with it, and one end of the tapered shaft neck is provided with a threaded head that is integrated with it. A retaining ring is sleeved on the side of the positioning shaft away from the tapered shaft neck, and the retaining ring is welded to the positioning shaft. The internally threaded gasket is sleeved on the positioning shaft, and the internally threaded gasket is located on one side of the retaining ring.

[0008] Furthermore, the tightening knob is sleeved on the threaded head, a conical hole corresponding to the conical shaft neck is opened at the center of one side of the tightening knob, and an internal threaded hole corresponding to the threaded head is opened at the center of the other side of the tightening knob.

[0009] Furthermore, the tightening knob is connected to the threaded sleeve of the threaded head through an internal threaded hole.

[0010] Furthermore, anti-slip grooves are arranged on the peripheries of the internal thread gasket and the tightening knob, and an external thread corresponding to the internal thread gasket is provided on the side of the positioning shaft away from the retaining ring.

[0011] Compared with the prior art, the utility model has the following beneficial effects: through the assembly consisting of a positioning shaft, a tapered shaft neck, a threaded head, a retaining ring, an internal threaded gasket and a tightening knob, a set of positioning assemblies is provided for gear processing, which helps the gear to have sufficient milling operation space on the periphery while allowing the center of the gear to be installed on the same horizontal line with the center of the lathe chuck after the gear is assembled on the lathe, helping the gear to maintain the correct center for lathe processing, thereby solving the problem that the prior art gear cannot be well coordinated with the lathe fixture for assembly and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic diagram of the overall structure of a gear processing positioning device.

[0013] Figure 2 The utility model is a schematic diagram of the positioning shaft structure of a gear processing positioning device.

[0014] Figure 3 The utility model is a schematic diagram of the positioning shaft structure of a gear processing positioning device.

[0015] Figure 4 The utility model is a schematic diagram of the structure of a tightening knob of a gear processing positioning device.

[0016] Figure 5 The utility model is a front structural schematic diagram of a tightening knob of a gear processing positioning device.

[0017] Figure 6 The utility model is a schematic diagram of the back structure of a tightening knob of a gear processing positioning device.

[0018] In the figure: 1. locating shaft; 2. tapered shaft neck; 3. threaded head; 4. retaining ring; 5. internal thread gasket; 6. tightening knob; 7. tapered hole; 8. internal thread hole; 9. external thread. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-6As shown, a gear processing positioning device includes a positioning shaft 1, a tapered shaft neck 2 and a threaded head 3, and also includes a retaining ring 4, an internally threaded gasket 5 and a tightening knob 6. The positioning shaft 1 is provided with a tapered shaft neck 2 integrated with it at one end, and the tapered shaft neck 2 is provided with a threaded head 3 integrated with it at one end. The positioning shaft 1 is provided with a retaining ring 4 on the side away from the tapered shaft neck 2. The retaining ring 4 is welded to the positioning shaft 1. The internally threaded gasket 5 is sleeved on the positioning shaft 1, and the internally threaded gasket 5 is located at the retaining ring 4. On one side of the ring 4, the tightening knob 6 is sleeved on the threaded head 3, and a conical hole 7 corresponding to the tapered shaft neck 2 is opened at the center of one side of the tightening knob 6, and an internal threaded hole 8 corresponding to the threaded head 3 is opened at the center of the other side of the tightening knob 6. The tightening knob 6 is threadedly connected to the threaded head 3 through the internal threaded hole 8, and anti-slip grooves are arranged on the periphery of the internal threaded gasket 5 and the tightening knob 6, and an external thread 9 corresponding to the internal threaded gasket 5 is opened on the side of the positioning shaft 1 away from the retaining ring 4.

[0021] It should be noted that the utility model is a gear processing positioning device. When working, the personnel first sleeve the internal threaded gasket 5 on the positioning shaft 1, and then sleeve the gear to be positioned on the tapered shaft neck 2, and the inner diameter hole of the gear is damped after reaching the position of the corresponding diameter on the tapered shaft neck 2, and then the tightening knob 6 is threadedly sleeved on the threaded head 3, so that the tightening knob 6 tightens and presses the gear, and then the internal threaded gasket 5 is threadedly rotated to press the other side of the gear, so that the center of the circle between the gear and the positioning shaft 1 is consistent, thereby adding a set of rotating shafts to the gear. During processing, the personnel will replace the positioning shaft 1 with the gear in the fixture of the lathe, so that the center of the circle of the gear is consistent with the center of the circle of the lathe fixture, thereby ensuring that the cutting edge is consistent each time during the turning process when the outer periphery of the gear is cut.

[0022] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A gear processing positioning device, comprising a positioning shaft (1), a tapered shaft neck (2) and a threaded head (3), characterized in that: It also includes a retaining ring (4), an internally threaded gasket (5) and a tightening knob (6); one end of the positioning shaft (1) is provided with a tapered shaft neck (2) integral with it; one end of the tapered shaft neck (2) is provided with a threaded head (3) integral with it; a retaining ring (4) is sleeved on the side of the positioning shaft (1) away from the tapered shaft neck (2); the retaining ring (4) is welded to the positioning shaft (1); the internally threaded gasket (5) is sleeved on the positioning shaft (1), and the internally threaded gasket (5) is located on one side of the retaining ring (4).

2. A gear processing positioning device according to claim 1, characterized in that: The tightening knob (6) is sleeved on the threaded head (3); a conical hole (7) corresponding to the conical shaft neck (2) is opened at the center of one side of the tightening knob (6); and an internal threaded hole (8) corresponding to the threaded head (3) is opened at the center of the other side of the tightening knob (6).

3. A gear processing positioning device according to claim 2, characterized in that: The tightening knob (6) is threadably connected to the threaded head (3) via an internal threaded hole (8).

4. A gear processing positioning device according to claim 1, characterized in that: The outer peripheries of the internal thread gasket (5) and the tightening knob (6) are provided with anti-slip grooves, and the side of the positioning shaft (1) away from the retaining ring (4) is provided with an external thread (9) corresponding to the internal thread gasket (5).

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