CN220006950U

CN220006950U - Five spindle nose structures of single armed moment motor

Info

Publication number: CN220006950U
Application number: CN202321507474.6U
Authority: CN
Inventors: 许进权; 林禄生; 梁智棠; 沈成辉; 李爱军
Original assignee: Guangdong Pradi Technology Co ltd
Current assignee: Guangdong Pradi Technology Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2023-11-14
Anticipated expiration: 2033-06-14

Abstract

The utility model relates to a five-shaft head structure of a single-arm torque motor, which comprises the following components: the box body is provided with a containing cavity and a first oil duct communicated with the oil inlet joint; a rotating shaft disposed in the accommodating chamber; the mounting seat is connected with the box body and is arranged in the accommodating cavity, and a piston cavity and a second oil duct which is communicated with the piston cavity and the first oil duct are arranged on the mounting seat; the piston head is movably arranged in the piston cavity along the axis direction of the rotating shaft, and a brake block is arranged between the piston head and the box body; the first bearing is assembled between the rotating shaft and the mounting seat. Space is saved, and the size of the five-shaft head structure is reduced.

Description

Five spindle nose structures of single armed moment motor

Technical Field

The utility model relates to the technical field of machine tool equipment, in particular to a five-shaft head structure of a single-arm torque motor.

Background

At present, the five-shaft head structure is mainly applied to a gantry crane to process aluminum alloy, steel and composite materials in the fields of aerospace, high-speed rail locomotives, ships and large aluminum part dies, and has the characteristics of high processing precision, good flexibility, high processing energy efficiency and the like. The oversized structure of the five-axis head itself will have an impact on the processing of the workpiece, and therefore it is desirable to provide a small-sized structure of the five-axis head.

Disclosure of Invention

Based on the above, it is necessary to provide a five-shaft head structure of a single-arm torque motor, and the specific technical scheme is as follows.

A single arm torque motor five-axis head structure comprising:

the box body is provided with a containing cavity and a first oil duct communicated with the oil inlet joint;

a rotating shaft disposed in the accommodating chamber;

the mounting seat is connected with the box body and is arranged in the accommodating cavity, and a piston cavity and a second oil duct which is communicated with the piston cavity and the first oil duct are arranged on the mounting seat;

the piston head is movably arranged in the piston cavity along the axis direction of the rotating shaft, and a brake block is arranged between the piston head and the box body;

the first bearing is assembled between the rotating shaft and the mounting seat.

Further, a fixing ring is arranged between the box body and the mounting seat, one side of the fixing ring is provided with a mounting groove, a disc spring is arranged in the mounting groove and is propped against the piston head, and the disc spring has elasticity enabling the piston head to be far away from the brake pad.

Further, the piston head and the mounting seat are sealed through a star ring.

Further, the device also comprises a bearing seat; one end of the bearing seat is connected with the motor fixing plate, and the other end of the bearing seat is connected with the bearing outer ring gland; and a second bearing is assembled between the bearing seat and the rotating shaft, and the outer ring of the second bearing is pressed by a bearing outer ring gland.

Further, a first spacer bush is arranged between the bearing seat and the rotating shaft; a second spacer bush is arranged between the inner ring of the second bearing and the shaft shoulder of the rotating shaft.

Further, a first annular bulge which bulges outwards is arranged on the end face of the bearing seat, and a second annular bulge which bulges inwards is arranged on the end face of the motor fixing plate; the first annular protrusion abuts against and is bolted to the second annular protrusion.

Further, the first bearing is mounted at the front end of the rotating shaft, and the second bearing is mounted at the rear end of the rotating shaft.

The beneficial effects are that: according to the five-shaft head structure of the single-arm torque motor, on one hand, the mounting seat is used as a matching piece of a piston head in a brake system and is also used as a mounting structure of a first bearing; on the other hand, the bearing seat of the second bearing is directly connected with the motor fixing plate; thereby saving space and reducing the size of the five-shaft head structure.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a five-stub shaft configuration;

FIG. 2 is an enlarged schematic view of area A of FIG. 1;

fig. 3 is an enlarged schematic view of region B in fig. 1.

Reference numerals: 1. a case; 2. a rotation shaft; 3. a mounting base; 4. a piston head; 5. a first bearing; 6. a second bearing; 7. a bearing seat; 8. a motor fixing plate; 9. a bearing outer ring gland;

11. a first oil passage; 12. an oil inlet joint; 13. a fixing ring; 14. a disc spring;

31. a second oil passage; 32. a brake pad;

71. the first spacer bush; 72. the second spacer bush; 73. a first annular projection;

81. and a second annular protrusion.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Examples

Referring to fig. 1, the present embodiment provides a single arm torque motor five-shaft head structure, which includes a case 1, a rotation shaft 2, a mount 3, a piston head 4, a first bearing 5, a second bearing 6, and a bearing housing 7. Referring to fig. 2, a containing cavity, a first oil duct 11 and an oil inlet joint 12 are arranged in the middle of the box 1, the oil inlet joint 12 is located outside the box 1, and the first oil duct 11 is communicated with the oil inlet joint 12. The rotary shaft 2 is arranged in the accommodating cavity, the mounting seat 3 is arranged in the accommodating cavity and connected with the box body 1, a piston cavity and a second oil duct 31 are arranged on one side surface of the mounting seat 3, and the second oil duct 31 is communicated with the piston cavity and the first oil duct 11. The piston head 4 is movably arranged in the piston cavity along the axial direction of the rotating shaft 2, a brake block 32 is arranged between the piston head 4 and the box body 1, and the piston head 4 is sealed with the mounting seat 3 through a star ring; the oil pressure in the piston cavity is changed by connecting the oil inlet joint 12 with an external hydraulic device, and when the oil pressure is increased, the piston head 4 is driven to press the brake pad 32 to brake. The first bearing 5 is assembled between the rotating shaft 2 and the mounting seat 3, so that the mounting seat 3 is used as a matching piece of the piston head 4 in the brake system and is also used as a mounting structure of the first bearing 5, thereby saving space and reducing the size of the five-shaft head structure.

Specifically, a fixed ring 13 is arranged between the box body 1 and the mounting seat 3, one side of the fixed ring 13 facing the mounting seat 3 is also provided with a mounting groove, the fixed ring 13 passes through the mounting groove through a bolt and then is connected with the mounting seat 3, a disc spring 14 is arranged in the mounting groove, the disc spring 14 is propped against the piston head 4, and the disc spring 14 has elasticity for enabling the piston head 4 to be far away from the brake pad 32. When the oil pressure in the piston cavity is reduced, the piston head 4 is quickly retracted and reset through the disc spring 14, so that the braking time is reduced.

Specifically, referring to fig. 3, one end of the bearing seat 7 is connected to the motor fixing plate 8, and the other end is connected to the bearing outer ring gland 9; a second bearing 6 is assembled between the bearing seat 7 and the rotating shaft 2, and the outer ring of the second bearing 6 is pressed by a bearing outer ring gland 9. A first spacer 71 is arranged between the bearing seat 7 and the rotating shaft 2; a second spacer 72 is arranged between the inner ring of the second bearing 6 and the shoulder of the rotating shaft 2. The first bearing 5 is mounted on the front end of the rotary shaft 2, and the second bearing 6 is mounted on the rear end of the rotary shaft 2. The rigidity of the rotating shaft 2 is improved by using the first bearing 5 and the second bearing 6, the end runout is reduced, and the bearing seat 7 of the second bearing 6 is arranged on the motor fixing plate 8, so that the space is further saved, and the size of the five-shaft head structure is reduced.

Specifically, the end surface of the bearing seat 7 is provided with a first annular protrusion 73 protruding outwards, and the end surface of the motor fixing plate 8 is provided with a second annular protrusion 81 protruding inwards; the first annular projection 73 abuts and is bolted to the second annular projection 81. Thereby realizing the installation of the bearing seat 7 and the motor fixing plate 8.

It should be noted that the above embodiment is exemplified by a five-axis head a-axis structure, and the above structure is also applicable to the C-axis.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A single arm torque motor five-shaft head structure, comprising:

a rotating shaft disposed in the accommodating chamber;

2. The five-shaft head structure of the single-arm torque motor according to claim 1, wherein a fixing ring is arranged between the box body and the mounting seat, one side of the fixing ring is provided with a mounting groove, a disc spring is arranged in the mounting groove, the disc spring is abutted against the piston head, and the disc spring has an elastic force for enabling the piston head to be far away from the brake pad.

3. The single arm torque motor five-shaft head structure of claim 1, wherein the piston head is sealed with the mounting base by a star ring.

4. The single arm torque motor five-shaft head structure of claim 1, further comprising a bearing housing; one end of the bearing seat is connected with the motor fixing plate, and the other end of the bearing seat is connected with the bearing outer ring gland; and a second bearing is assembled between the bearing seat and the rotating shaft, and the outer ring of the second bearing is pressed by a bearing outer ring gland.

5. The five-shaft head structure of a single-arm torque motor according to claim 4, wherein a first spacer is arranged between the bearing seat and the rotating shaft; a second spacer bush is arranged between the inner ring of the second bearing and the shaft shoulder of the rotating shaft.

6. The five-shaft head structure of a single-arm torque motor according to claim 4, wherein the end face of the bearing seat is provided with a first annular protrusion protruding outwards, and the end face of the motor fixing plate is provided with a second annular protrusion protruding inwards; the first annular protrusion abuts against and is bolted to the second annular protrusion.

7. The single arm torque motor five stub shaft structure of claim 4, wherein the first bearing is mounted to a front end of the rotating shaft and the second bearing is mounted to a rear end of the rotating shaft.