CN219599410U

CN219599410U - Workbench structure

Info

Publication number: CN219599410U
Application number: CN202320780254.4U
Authority: CN
Inventors: 陈志强; 彭乙恒; 汪昌亮; 张国伟; 李翠萍
Original assignee: Chongqing Machine Tool Group Co Ltd
Current assignee: Chongqing Machine Tool Group Co Ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-29
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to a workbench structure, which belongs to the technical field of machine tool equipment and comprises a workbench body at the upper part, a base, a motor and an angle encoder, wherein the base is positioned at the lower side of the workbench body and is provided with a cavity, the motor is arranged in the cavity, the angle encoder is arranged on the base, a rotor of the motor is connected with the workbench body, a stator of the motor is connected with the base, a groove facing the cavity is formed in the top of the base, a grating drum and a reading head of the angle encoder are arranged in the groove, and a signal wire of the angle encoder passes through the base and is led out from the bottom of the base. According to the utility model, the angle encoder is arranged above the inside of the workbench, and when the encoder is required to be checked and maintained, the workbench body positioned at the top of the workbench is only required to be taken down, so that the convenience of maintenance is greatly improved.

Description

Workbench structure

Technical Field

The utility model belongs to the technical field of machine tool equipment, and relates to a workbench structure.

Background

The angle encoder is necessary for a workbench of the precision machine tool and is used for precisely controlling the rotation angle displacement and ensuring the machining precision of the machine tool. The traditional workbench structure is characterized in that the angle encoder is arranged at the lowest receiving disc in the workbench, and the position cannot adopt airtight protection, so that in actual use, the hydraulic oil of the workbench oil cylinder, the cooling oil of the motor stator and bearing lubricating grease are likely to leak, and the oil stain and dust entering in factory environment and the like are likely to pollute the reading head and the grating drum mirror surface, so that the encoder is failed, the machine tool alarms, and normal production and processing are affected. When maintenance, because the angle encoder is at the workstation below, very inconvenient clean, more need dismantle whole workstation when inspection is changed, work load and operation degree of difficulty are big, and the cycle is long, inefficiency.

Disclosure of Invention

Accordingly, an object of the present utility model is to provide a workbench structure for facilitating maintenance of an angle encoder.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a workstation structure, includes the workstation body on upper portion, is located the workstation body downside and has the base of cavity, sets up motor in the cavity, installs the angle encoder on the base, and the rotor and the workstation body coupling of motor, the stator and the pedestal connection of motor, the base top is equipped with the recess towards the cavity, and angle encoder's grating drum and reading head are installed in the recess.

Optionally, be equipped with seal structure between workstation body and the base, seal structure includes the sealed clearance that forms between workstation body and the base, and sealed clearance communicates with the inlet port that sets up on the base, and the inlet port other end extends to the bottom of base in order to realize ventilating from the base bottom.

Optionally, the sealing gap is a stepped sealing gap.

Optionally, a wire through hole is formed on the base, so that a signal wire of the angle encoder is led out from the bottom of the base along the wire through hole, and the wire through hole and the air inlet hole are respectively located at two sides of the base.

Optionally, the base is of a split structure and comprises a first gland, a shaft sleeve, a second gland and a third gland which are sequentially arranged from top to bottom; the first gland corresponds to the installation positions of the grating drum and the reading head of the angle encoder, and the shaft sleeve and the second gland respectively correspond to the installation positions of an upper bearing and a lower bearing for supporting the motor rotor.

Optionally, the first gland and the shaft sleeve, the shaft sleeve and the second gland, and the second gland and the third gland are all detachably connected.

Optionally, an oil way is arranged in the rotor shaft of the motor, and the oil way of the rotor shaft of the motor is communicated with the oil way of the workbench body.

The utility model has the beneficial effects that: the angle encoder is located the inside top of workstation, when the maintenance encoder need be inspected, only need be located the workstation body at workstation top take off can, greatly improved the convenience of maintenance to through reliable airtight protection, effectively avoided the encoder to receive pollution alarm, reduced the fault rate of encoder.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in the following preferred detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a structure of a workbench according to the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic diagram of a structure of a workbench according to the present utility model.

Reference numerals: the optical bench comprises a bench body 1, a reading head 2, a grating drum 3, a first gland 4, a shaft sleeve 5, an upper bearing 6, a motor 7, a second gland 8, a third gland 9, a reading head joint 10, a lower bearing 19, an oil distributing shaft 25, a first gland wire passing hole 27, a shaft sleeve wire passing hole 28, a second gland wire passing hole 29, a first gland air inlet hole 30, a shaft sleeve air inlet hole 31, a second gland air inlet hole 32, a third gland air inlet hole 33, a third gland wire passing hole 34 and a groove 35.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present utility model by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the utility model; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present utility model, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 3, a workbench structure comprises a workbench body 1 on the upper part, a base which is positioned on the lower side of the workbench body 1 and provided with a cavity, a motor 7 arranged in the cavity, and an angle encoder arranged on the base, wherein a rotor of the motor 7 is connected with the workbench body 1, a stator of the motor 7 is connected with the base, a groove 35 facing the cavity is arranged on the top of the base, a grating drum 3 and a reading head 2 of the angle encoder are arranged in the groove 35, and a signal wire of the angle encoder passes through the base and is led out from the bottom of the base.

According to the utility model, the grating drum 3 and the reading head 2 of the angle encoder are arranged on the lower side of the workbench body 1, and when the encoder is required to be checked and maintained, the workbench body 1 is only required to be taken down, so that the maintenance of the encoder is facilitated.

In order to prevent oil pollution from polluting the encoder, a sealing structure is arranged between the workbench body 1 and the base, and the sealing structure can be airtight, specifically: a sealing gap is formed between the workbench body 1 and the base, the sealing gap is preferably a stepped sealing gap, an air inlet hole communicated with the sealing gap is formed in the base, and the other end of the air inlet hole extends to the bottom of the base to realize ventilation from the bottom of the base. The sealing structure can effectively avoid the entry of greasy dirt, keep the encoder clean and clean, and greatly reduce the failure rate of the encoder.

In order to facilitate the installation of the bearing, the base adopts a split structure, and comprises a first gland 4, a shaft sleeve 5, a second gland 8 and a third gland 9 which are sequentially arranged from top to bottom; the first gland 4 corresponds to the installation positions of the grating drum 3 and the reading head 2 of the angle encoder, the shaft sleeve 5 and the second gland 8 respectively correspond to the installation positions of the upper bearing 6 and the lower bearing 19 for supporting the rotor of the motor 7, and the first gland 4 is detachably connected with the shaft sleeve 5, the shaft sleeve 5 is detachably connected with the second gland 8, and the second gland 8 is detachably connected with the third gland 9, and the reading head connector 10 is installed on the bottom surface of the third gland 9. The split structure is convenient for the installation and maintenance of the encoder and the bearing.

Optionally, an oil way is arranged in the rotor shaft of the motor 7, and the oil way of the rotor shaft of the motor 7 is communicated with the oil way of the workbench body 1; an oil distribution shaft 25 is arranged below the base, the oil distribution shaft 25 is detachably connected with a rotor shaft of the motor 7 through screws, and an oil way of the oil distribution shaft 25 is communicated with an oil way of the rotor shaft of the motor 7. The base is provided with a wire passing hole so that a signal wire of the angle encoder can be led out from the bottom of the base along the wire passing hole, the wire passing hole is vertically arranged and comprises a first gland wire passing hole 27 positioned on the first gland 4, a shaft sleeve wire passing hole 28 positioned on the shaft sleeve 5, a second gland wire passing hole 29 positioned on the second gland 8 and a third gland wire passing hole 34 positioned on the third gland 9, and the signal wire sequentially passes through the wire passing holes of the first gland 4, the shaft sleeve 5, the second gland 8 and the third gland 9 and is led out from the lowest part of the workbench; the wire through holes and the air inlet holes are respectively positioned at two sides of the base; the air inlet is vertically arranged and comprises a first gland air inlet 30 positioned on the first gland 4, a shaft sleeve air inlet 31 positioned on the shaft sleeve 5, a second gland air inlet 32 positioned on the second gland 8 and a third gland air inlet 33 positioned on the third gland 9, and compressed air enters the first gland air inlet 30 on the first gland 4 through the third gland air inlet 33 arranged on the third gland 9, the second gland air inlet 32 on the second gland 8 and the shaft sleeve air inlet 31 on the shaft sleeve 5, so that the gap between the workbench body 1 and the first gland 4 forms airtight protection.

According to the utility model, the angle encoder is arranged above the inside of the workbench, and when the encoder is required to be checked and maintained, the workbench surface is only required to be taken down, so that the maintenance convenience is greatly improved, the encoder is effectively prevented from being polluted and warned through reliable airtight protection, and the failure rate of the encoder is reduced.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present utility model, which is intended to be covered by the claims of the present utility model.

Claims

1. The utility model provides a workstation structure, includes workstation body (1) on upper portion, is located workstation body (1) downside and has the base of cavity, sets up motor in the cavity, installs the angle encoder on the base, and the rotor and the workstation body (1) of motor are connected, and the stator and the pedestal connection of motor, its characterized in that: the top of the base is provided with a groove facing the cavity, a grating drum (3) and a reading head (2) of the angle encoder are arranged in the groove, and a signal wire of the angle encoder passes through the base and is led out from the bottom of the base.

2. A table structure according to claim 1, wherein: a sealing structure is arranged between the workbench body (1) and the base, the sealing structure comprises a sealing gap formed between the workbench body (1) and the base, the sealing gap is communicated with an air inlet arranged on the base, and the other end of the air inlet extends to the bottom of the base to realize ventilation from the bottom of the base.

3. A table structure according to claim 2, wherein: the sealing gap is a stepped sealing gap.

4. A table structure according to claim 2, wherein: the base is provided with a wire passing hole so that a signal wire of the angle encoder can be led out from the bottom of the base along the wire passing hole, and the wire passing hole and the air inlet hole are respectively positioned at two sides of the base.

5. A table structure according to claim 1, wherein: the base is of a split structure and comprises a first gland (4), a shaft sleeve (5), a second gland (8) and a third gland (9) which are sequentially arranged from top to bottom; the first gland (4) corresponds to the installation positions of the grating drum (3) and the reading head (2) of the angle encoder, and the shaft sleeve (5) and the second gland (8) respectively correspond to the installation positions of an upper bearing and a lower bearing for supporting a motor rotor.

6. A table structure according to claim 5, wherein: the first gland (4) is detachably connected with the shaft sleeve (5), the shaft sleeve (5) is detachably connected with the second gland (8), and the second gland (8) is detachably connected with the third gland (9).

7. A table structure according to claim 1, wherein: an oil way is arranged in a rotor shaft of the motor, and the oil way of the rotor shaft of the motor is communicated with the oil way of the workbench body (1).