CN217493609U

CN217493609U - Ultra-precise turning and milling center ram power shaft encoder structure

Info

Publication number: CN217493609U
Application number: CN202221716421.0U
Authority: CN
Inventors: 周国灿; 白辉明; 赖安业; 曹先强
Original assignee: FUJIAN CHENGGONG MACHINE TOOL CO LTD
Current assignee: FUJIAN CHENGGONG MACHINE TOOL CO LTD
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-09-27
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses an ultra-precise milling center ram power shaft encoder structure, which comprises a ram, a rotating shaft and a connecting box; the ram is arranged on a rotating shaft of the numerical control vertical turn-milling central power, and a connecting box is arranged on the outer side of the top end of the ram; further comprising: the novel energy-saving encoder is characterized in that a large synchronous belt pulley is arranged in the ram and close to the outer side of the top of the rotating shaft, a spacer sleeve is attached to the inner wall, close to the rotating shaft, of the encoder support, and the top end of the coupler penetrates through the inside of the encoder seat and is connected with the bottom of the encoder body. This super-precise turn-milling center ram power shaft encoder structure is provided with big synchronous pulley, and when the lathe milled the function, servo motor moved the transmission shaft rotation through big synchronous pulley, and the epaxial little synchronous pulley of transmission drove the encoder body and is rotatory to know the rotational speed of power axis of rotation better through the encoder body, this mounting structure design is simple, inspection simple to operate.

Description

Ultra-precise turning and milling center ram power shaft encoder structure

Technical Field

The utility model relates to an encoder technical field specifically is an ultra-precise turn-milling center ram power shaft encoder structure.

Background

The encoder module of current motor is for the ease of observing inside situation and the relevant part of easy to assemble, selects transparent material to come the shroud of encoder usually, uses transparent shroud after, because the influence of external environment light, has caused the encoder reading signal to the light source signal and has received the interference for the signal of reading the deviation appears.

Publication No. CN212412997U discloses an encoder mounting bracket and an encoder mounting structure, the encoder mounting bracket has a compact structure, can be adjusted in use size, is very convenient to use, can be suitable for mounting the encoder on the gearbox of the automatic conveying line in different scenes, can carry out reconnaissance without an installer going to the mounting site of the encoder, reduces the consumed labor cost, however, when the device is used, the power rotating shaft of the numerical control vertical turn-milling center is arranged on the ram, the rotating speed of the power rotating shaft needs to be known, but the existing encoder can not be well installed, and the structure is more complicated, which is not beneficial to the use of the encoder, and the installation is carried out by using the bolt, but after long-time use, the bolt can be aged, so that the encoder body can fall off.

Therefore, the ultra-precise turning and milling center ram power shaft encoder structure can be provided to well solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultra-precise turn-milling center ram power shaft encoder structure to solve the vertical turn-milling center power axis of rotation of numerical control on the existing market that the above-mentioned background art provided and install on the ram, need know the rotational speed of power axis of rotation, but the encoder can not be installed well now, the structure is more loaded down with trivial details simultaneously, be unfavorable for the use of encoder, and use the bolt to install, but long-time the use back, the bolt will take place ageing, thereby cause the problem that drops of encoder body.

In order to achieve the above object, the utility model provides a following technical scheme: an ultra-precise milling center ram power shaft encoder structure comprises a ram, a rotating shaft and a connecting box;

the ram is arranged on a rotating shaft of the numerical control vertical turn-milling central power, and a connecting box is arranged on the outer side of the top end of the ram;

further comprising:

the inside axis of rotation top outside position that is close to of ram is provided with big synchronous pulley, just big synchronous pulley's the top outside is provided with the drive belt, the middle part top position of drive belt sets up at the support body, just the other end setting of drive belt is in little synchronous pulley's the outside, the inside rotation axis of fixed connection in the centre of a circle of little synchronous pulley, just the top position of rotation axis runs through the inside of encoder support, the laminating is provided with the spacer on the inside inner wall that is close to the rotation axis of encoder support, just the other end position of spacer is provided with the bearing, simultaneously the top position of encoder support is connected with the ring flange, the inside position of ring flange is provided with the shaft coupling, just the inside that the top of shaft coupling runs through the encoder seat is connected with the bottom of encoder body.

Preferably, the bottom position fixed connection of shaft coupling is in the top position of rotation axis, constitute linkage structure between big synchronous pulley, drive belt and the little synchronous pulley and the rotation axis, it rotates to drive the rotation axis more conveniently.

Preferably, the flange plate is fixedly connected with the encoder seat through a locking bolt, and the inner side of the bearing is attached to the outer side above the rotating shaft, so that the rotating shaft can rotate stably in the bearing conveniently.

Preferably, the bottom position symmetry of encoder body is provided with two sets of reset spring, just reset spring's bottom position is connected with the encoder seat, bind the stay cord between the bottom of encoder body, the other end position of stay cord is twined with the elastic gear through the fixed pulley mutually, the top position of elastic gear is provided with the stopper, carries out spacing processing to the encoder body more stably.

Preferably, the top position of the encoder seat is connected with the bottom position of the encoder body through a fixing bolt, and the encoder body forms an elastic lifting structure with the encoder seat through a return spring, so that the encoder seat can conveniently slide at the bottom end of the encoder body.

Preferably, be connected for the bearing between the both sides of elasticity gear and the inner wall of ram, be connected for the meshing between the bottom of elasticity gear and the stopper, the stopper is the rubber material with the material of encoder body contact one end to the convenience is laminated stopper and encoder body.

Compared with the prior art, the beneficial effects of the utility model are that set up the structure as follows:

(1) the ultra-precise milling center ram power shaft encoder structure is provided with the large synchronous belt pulley, when a machine tool performs a milling function, the servo motor drives the transmission shaft to rotate through the large synchronous belt pulley, and the small synchronous belt pulley on the transmission shaft drives the encoder body to rotate, so that the rotating speed of the power rotating shaft is better known through the encoder body, and the mounting structure is simple in design and convenient to check and mount;

(2) this super-precise turn-milling center ram power shaft encoder structure is provided with reset spring, and the encoder body passes through the bolt and installs behind the top that the encoder was located, and the encoder body will extrude reset spring afterwards to the encoder body will relax the pulling force to the stay cord, thereby makes elastic gear rotate in the top inside that the encoder was located, thereby makes elastic gear will drive the stopper and carry on spacingly to the encoder body, prevents to appear the phenomenon that drops after the bolt is ageing.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the sectional structure of the stopper in front view;

fig. 4 is the utility model discloses the sectional structure schematic diagram is looked to the stopper left side.

In the figure: 1. a ram; 2. a rotating shaft; 3. a connecting box; 4. a large synchronous pulley; 5. a transmission belt; 6. a stent body; 7. a small synchronous pulley; 8. a rotating shaft; 9. an encoder support; 10. a spacer sleeve; 11. a bearing; 12. a flange plate; 13. a coupling; 14. an encoder seat; 15. an encoder body; 16. a return spring; 17. pulling a rope; 18. an elastic gear; 19. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an ultra-precise milling center ram power shaft encoder structure comprises a ram 1, a rotating shaft 2 and a connecting box 3; the numerical control vertical turning and milling machine is characterized in that a ram 1 is arranged on a rotating shaft 2 of central power of the numerical control vertical turning and milling machine, and a connecting box 3 is arranged on the outer side of the top end of the ram 1; further comprising: a large synchronous belt wheel 4 is arranged in the ram 1 and close to the outer side of the top of the rotating shaft 2, a transmission belt 5 is arranged on the outer side above the large synchronous belt wheel 4, the upper part of the middle part of the transmission belt 5 is arranged on a bracket body 6, the other end of the transmission belt 5 is arranged at the outer side of the small synchronous belt wheel 7, a rotating shaft 8 is fixedly connected at the inner position of the circle center of the small synchronous belt wheel 7, the top end position of the rotating shaft 8 penetrates through the inside of the encoder bracket 9, a spacer 10 is attached to the inner wall of the encoder bracket 9 close to the rotating shaft 8, a bearing 11 is arranged at the other end position of the spacer 10, meanwhile, the top position of the encoder bracket 9 is connected with a flange 12, the inner position of the flange 12 is provided with a coupler 13, the bottom position of the coupler 13 is fixedly connected with the top position of the rotating shaft 8, and a linkage structure is formed among the large synchronous belt pulley 4, the transmission belt 5, the small synchronous belt pulley 7 and the rotating shaft 8; and the top end of the coupling 13 penetrates through the inside of the encoder seat 14 to be connected with the bottom of the encoder body 15. The flange 12 is fixedly connected with the encoder seat 14 through a locking bolt, and the inner side of the bearing 11 is attached to the outer side above the rotating shaft 8.

When combining attached figure 1 and attached figure 2, when the lathe milled the function, servo motor drove rotation axis 8 through big synchronous pulley 4 and is rotatory, and epaxial little synchronous pulley 7 of transmission drove rotation axis 8 and rotates, and the top of rotation axis 8 will drive the encoder body 15 who is connected with shaft coupling 13 in the inside of ring flange 12 through bearing 11 simultaneously and rotate to know the rotational speed of power axis of rotation better through encoder body 15.

Two groups of reset springs 16 are symmetrically arranged at the bottom of the encoder body 15, the bottom ends of the reset springs 16 are connected with the encoder seat 14, the top of the encoder seat 14 is connected with the bottom of the encoder body 15 through a fixing bolt, and the encoder body 15 and the encoder seat 14 form an elastic lifting structure through the reset springs 16; a pull rope 17 is tied between the bottoms of the encoder bodies 15, the other end of the pull rope 17 is wound with an elastic gear 18 through a fixed pulley, and a limiting block 19 is arranged above the elastic gear 18. The two sides of the elastic gear 18 are connected with the inner wall of the ram 1 through the bearing 11, the bottom end of the elastic gear 18 is connected with the limiting block 19 in a meshed mode, and the limiting block 19 and the end, in contact with the encoder body 15, of the limiting block are made of rubber.

Referring to fig. 3 and 4, the encoder base 14 is first installed on the top of the encoder body 15, by tightening the fixing bolt, the encoder seat 14 will be engaged with the encoder body 15, so that the return spring 16 will be compressed, and the pulling rope 17 tied at the bottom of the encoder body 15 will be loosened, and the spring inside the elastic gear 18 will be released, so that the original compressed spring will drive the encoder seat 14 to rotate, and the elastic gear 18 will drive the stop block 19 to move, because one end of the limiting block 19 is made of rubber, the limiting block 19 can be tightly attached to the outer side of the encoder body 15, therefore, the encoder body 15 can be stably arranged at the top of the encoder seat 14, and the phenomenon that the encoder body 15 falls off after the fixing bolt is aged is prevented through the arrangement.

The working principle is as follows: when the ultra-precise turning and milling center ram power shaft encoder structure is used, with reference to fig. 1-4, firstly, the encoder seat 14 is installed at the top of the encoder body 15, the encoder seat 14 is attached to the encoder body 15 by screwing up the fixing bolt, and the limiting block 19 is tightly attached to the outer side of the encoder body 15, so that the encoder body 15 is stably arranged at the top of the encoder seat 14, and the phenomenon that the encoder body 15 falls off after the fixing bolt is aged is prevented; when the lathe mills the function, servo motor drives transmission shaft 2 rotatory through big synchronous pulley 4, and epaxial little synchronous pulley 7 of transmission drives rotation axis 8 and rotates, and the top of rotation axis 8 will drive the encoder body 15 that is connected with shaft coupling 13 through bearing 11 in the inside of ring flange 12 rotatory simultaneously to know the rotational speed of axis of rotation 2 better through encoder body 15.

Those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An ultra-precise milling center ram power shaft encoder structure comprises a ram (1), a rotating shaft (2) and a connecting box (3);

the numerical control vertical turning and milling machine is characterized in that the ram (1) is arranged on a rotating shaft (2) of the numerical control vertical turning and milling center power, and a connecting box (3) is arranged on the outer side of the top end of the ram (1);

it is characterized by also comprising:

a large synchronous belt wheel (4) is arranged in the ram (1) close to the outer side of the top of the rotating shaft (2), a driving belt (5) is arranged on the outer side of the top of the large synchronous belt wheel (4), the middle upper position of the driving belt (5) is arranged on the support body (6), the other end of the driving belt (5) is arranged on the outer side of the small synchronous belt wheel (7), a rotating shaft (8) is fixedly connected with the inner position of the circle center of the small synchronous belt wheel (7), the top end position of the rotating shaft (8) penetrates through the inside of the encoder support (9), a spacer sleeve (10) is arranged on the inner wall of the encoder support (9) close to the rotating shaft (8) in a laminating manner, a bearing (11) is arranged at the other end position of the spacer sleeve (10), and a flange plate (12) is connected with the top position of the encoder support (9), and a coupler (13) is arranged in the flange plate (12), and the top end of the coupler (13) penetrates through the inside of the encoder seat (14) and is connected with the bottom of the encoder body (15).

2. The ultra-precise turn-milling center ram power shaft encoder structure of claim 1, wherein: the bottom position of the coupler (13) is fixedly connected to the top position of the rotating shaft (8), and the large synchronous belt wheel (4), the transmission belt (5), the small synchronous belt wheel (7) and the rotating shaft (8) form a linkage structure.

3. The ultra-precise turn-milling center ram power shaft encoder structure of claim 1, wherein: the flange plate (12) is fixedly connected with the encoder seat (14) through a locking bolt, and the inner side of the bearing (11) is attached to the outer side above the rotating shaft (8).

4. The ultra-precise turn-milling center ram power shaft encoder structure of claim 1, wherein: the encoder is characterized in that two groups of reset springs (16) are symmetrically arranged at the bottom of the encoder body (15), the bottom ends of the reset springs (16) are connected with the encoder seat (14), a pull rope (17) is bound between the bottoms of the encoder body (15), the other end of the pull rope (17) is wound with an elastic gear (18) through a fixed pulley, and a limiting block (19) is arranged above the elastic gear (18).

5. The ultra-precise turn-milling center ram power shaft encoder structure of claim 4, wherein: the top position of the encoder seat (14) is connected with the bottom position of the encoder body (15) through a fixing bolt, and the encoder body (15) and the encoder seat (14) form an elastic lifting structure through a return spring (16).

6. The ultra-precise turn-milling center ram power shaft encoder structure of claim 4, wherein: the two sides of the elastic gear (18) are connected with the inner wall of the ram (1) through bearings, the bottom end of the elastic gear (18) is connected with the limiting block (19) in a meshed mode, and the limiting block (19) is made of rubber materials and is in contact with one end of the encoder body (15).