Machine tool tailstock maneuvering structure

Abstract

The utility model belongs to the technical field of machine tool tail bases, and particularly relates to a machine tool tail base maneuvering structure which comprises a connecting body, a power input shaft and a power output shaft, and the power input shaft and the power output shaft are both rotationally connected to the connecting body and are in meshing transmission through a gear set. The two sides of the power input shaft are respectively provided with a deep groove ball bearing so that the power input shaft can be rotationally connected with the connecting body, the outer side of the power output shaft is provided with a thrust ball bearing, the inner side of the power output shaft is provided with a needle bearing, and the tail end of the inner side of the power output shaft is provided with a walking gear. The positioning device has the advantages of being convenient to operate, high in stability, long in service life and the like, high-precision positioning can be achieved under the condition that stress concentration points are not increased, and a product has better stability and longer service life; the installation space is reasonably distributed, and the bearing is ingeniously used, so that the tailstock maneuvering structure is convenient to operate and high in stability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lathe tailstock technical field, especially relate to a lathe tailstock motor structure. BACKGROUND

[0002] The lathe tailstock motor structure is used for driving the lathe tailstock to reciprocate along the bed body;

[0003] The existing lathe tailstock motor structure has simple structure, the matching part of gear shaft movement is the inner hole of the box, belongs to hard contact, is easy to be dead, is inconvenient to maintain, and influences the service life of the whole motor structure, and the positioning of one shaft is matched with the steel ball, two V-shaped grooves are turned on the shaft, the positioning of the other shaft adopts the top wire positioning, and the two positioning modes have the following defects: 1. the stress concentration point of the shaft is increased, and the service life of the shaft is reduced;2. easy to shift, poor stability. INNOVATION CONTENT

[0004] The utility model provides a lathe tailstock motor structure can solve the problem pointed out in the background art.

[0005] A lathe tailstock motor structure, including connecting body, power input shaft and power output shaft, power input shaft and power output shaft are all rotationally connected on connecting body, and are driven by gear set meshing transmission between the two, both sides of power input shaft are respectively equipped with deep groove ball bearing to realize the rotationally connected with connecting body, the outside of power output shaft is equipped with thrust ball bearing, and the inside is equipped with needle bearing, and the inside end of power output shaft is equipped with walking gear.

[0006] Preferably, one end of the connecting body is provided with a fixing block for fixing on the lathe tailstock.

[0007] Preferably, the gear set includes a pinion gear provided on the power input shaft and a large gear provided on the power output shaft, the pinion gear and the large gear are in meshing transmission, both sides of the pinion gear are respectively deep groove ball bearings, both sides of the large gear are respectively thrust ball bearings and needle bearings.

[0008] Advantages: the utility model provides a lathe tailstock motor structure, which has the advantages of convenient operation, high stability, long service life and the like, can realize high-precision positioning without increasing stress concentration points, and makes the product have better stability and longer service life;Reasonably allocate installation space, and use bearings skillfully, so that the tailstock motor structure is convenient to operate and has high stability. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is the internal structure schematic view of the utility model,

[0010] Fig. 2 It is the structure schematic view of the utility model,

[0011] Fig. 3 This is a schematic diagram illustrating the use of this utility model.

[0012] Explanation of reference numerals in the attached figures:

[0013] The following are the labels in the diagram: Connector 1; Fixed block 11; Power input shaft 2; Power output shaft 3; Deep groove ball bearing 4; Thrust ball bearing 5; Needle roller bearing 6; Pinion 7; Large gear 8; Travel gear 9. Detailed Implementation

[0014] The following describes a specific embodiment of the present invention in detail with reference to the accompanying drawings. However, it should be understood that the scope of protection of the present invention is not limited to the specific embodiment.

[0015] Example 1: As Figs. 1-3 As shown, a machine tool tailstock motor structure includes a connecting body 1, a power input shaft 2, and a power output shaft 3. One end of the connecting body 1 is provided with a fixing block 11 for fixing to the machine tool tailstock. The power input shaft 2 and the power output shaft 3 are both rotatably connected to the connecting body 1 and are driven by a gear set. Deep groove ball bearings 4 are provided on both sides of the power input shaft 2 to achieve rotatable connection with the connecting body 1. The outer side of the power output shaft 3 is provided with a thrust ball bearing 5, and the inner side is provided with a needle roller bearing 6. The inner end of the power output shaft 3 is provided with a traveling gear 9.

[0016] Specifically, the gear set includes a small gear 7 mounted on the power input shaft 2 and a large gear 8 mounted on the power output shaft 3. The small gear 7 and the large gear 8 mesh and drive each other. The small gear 7 has deep groove ball bearings 4 on both sides, and the large gear 8 has thrust ball bearings 5 ​​and needle roller bearings 6 on both sides.

[0017] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. A machine tool tailstock motor structure, characterized in that: The utility model relates to a kind of power input shafts and power output shafts, including connector (1), power input shaft (2) and power output shaft (3), the power input shaft (2) and the power output shaft (3) are rotatably connected on the connector (1), and are driven by gear set meshing between the two, the two sides of the power input shaft (2) are respectively equipped with deep groove ball bearing (4) to realize the rotatable connection with the connector (1), the outside of the power output shaft (3) is equipped with thrust ball bearing (5), its inside is equipped with needle bearing (6), and the inside end of the power output shaft (3) is equipped with walking gear (9).

2. The machine tool tailstock mechanism of claim 1, wherein: One end of the connector (1) is provided with a fixing block (11) for fixing on the tailstock of a machine tool.

3. The machine tool tailstock mechanism of claim 1, wherein: The gear set includes a pinion (7) provided on the power input shaft (2) and a large gear (8) provided on the power output shaft (3), the pinion (7) is in meshing transmission with the large gear (8), the two sides of the pinion (7) are respectively the deep groove ball bearings (4), and the two sides of the large gear (8) are respectively the thrust ball bearings (5) and the needle bearings (6).

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