CN218801007U

CN218801007U - Gear and rack transmission tailstock of cylindrical grinding machine

Info

Publication number: CN218801007U
Application number: CN202223441816.7U
Authority: CN
Inventors: 洪华文; 和国娟; 廖明方
Original assignee: Yunnan Cosis Machine Tool Co ltd
Current assignee: Yunnan Cosis Machine Tool Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-07
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a gear and rack transmission tailstock of a cylindrical grinding machine, which comprises a tailstock body, a sleeve, an alloy center and a propelling mechanism, wherein a placement pipeline is arranged inside the tailstock body, and the sleeve and the alloy center are movably arranged inside the placement pipeline; a spring sleeve is arranged inside the sleeve, and a mandril is arranged inside the spring sleeve; a second rack is arranged on the outer wall of the sleeve and connected with the lower propelling mechanism; the propelling mechanism comprises a gear, a first rack, a piston rod and a rotating handle, the gear is arranged on a rotating shaft of the tailstock body, the upper part of the gear is meshed and connected with the second rack, and the lower part of the gear is meshed and connected with the first rack on the upper part of the piston rod; the rotating shaft is connected with the rotating handle through a connecting piece; one end of the ejector rod is connected with the twisting handle. The utility model discloses not only whole compact structure, motion are steady reliable, can realize twice regulation, avoid direct and the work piece to take place the striking phenomenon.

Description

Gear and rack transmission tailstock of cylindrical grinding machine

Technical Field

The utility model belongs to the technical field of general mechanical equipment, concretely relates to cylindrical grinder gear, rack drive tailstock.

Background

The cylindrical grinding machine is a grinding machine for processing the outer surface and the shaft shoulder end surface of a cylindrical, conical or other-shaped plain line of a workpiece, is widely used and can process various cylindrical and conical outer surfaces and shaft shoulder end surfaces. In the use process of the cylindrical grinding machine, the transmission tailstock is an indispensable part as an important matching orientation part, and the transmission tailstock is used for supporting one end of a workpiece to be machined to limit, so that the workpiece can be conveniently machined externally. When the existing transmission tailstock is contacted with a workpiece to lift, only one-time driving can be carried out, and the driving mode has two defects, namely, when an alloy tip on the transmission tailstock is contacted with the workpiece, the transmission tailstock is rapidly pushed, so that the phenomenon of collision with the workpiece can occur; secondly, the one-time jacking propulsion mode can only be adjusted once, and the whole structure is not stable enough and cannot be finely adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylindrical grinder gear, rack drive tailstock, whole compact structure, motion are steady reliable, can realize twice regulation, avoid direct and the work piece emergence striking phenomenon.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a gear and rack transmission tailstock of a cylindrical grinding machine comprises a tailstock body, a sleeve, an alloy tip and a propelling mechanism, wherein a placement pipeline is arranged inside the tailstock body, and the sleeve and the alloy tip are movably arranged inside the placement pipeline; a spring sleeve is arranged inside the sleeve, and a mandril is arranged inside the spring sleeve; a second rack is arranged on the outer wall of the sleeve and connected with the lower propelling mechanism; the propelling mechanism comprises a gear, a first rack, a piston rod and a rotating handle, the gear is arranged on a rotating shaft of the tailstock body, the upper part of the gear is meshed and connected with the second rack, and the lower part of the gear is meshed and connected with the first rack on the upper part of the piston rod; the rotating shaft is connected with the rotating handle through a connecting piece; one end of the ejector rod is connected with the twisting handle.

Furthermore, the piston rod is movably arranged in a driving cavity of the tailstock body, and one end of the piston rod is connected with a connecting hole of the driving bin.

Further, first rack passes through the fixed setting of spacing screw on telescopic outer wall, and sleeve outer wall passes through draw runner and the spout sliding connection of settling on the pipeline inner wall.

Furthermore, one end of the alloy tip is connected with the ejector rod through a connecting piece, and a spring is arranged on the outer wall of the ejector rod.

Furthermore, the bottom of the tailstock body is provided with a limit screw.

Further, a handle seat is arranged on the upper portion of the tail seat body, and a rotating handle is arranged on the upper portion of the handle seat.

Furthermore, a deep groove bearing is arranged at the joint of the rotating shaft and the tailstock body.

Compared with the prior art, the utility model discloses one of following beneficial effect has at least:

1. the tailstock body is arranged on the excircle grinding machine, the whole ejector rod is pushed by rotating the ejector rod, the alloy tip is pushed out by the spring to be in contact with a workpiece, the first fine adjustment limiting contact is realized, at the moment, the pushing mechanism is driven, the whole alloy tip and the workpiece form a limiting structure, and the alloy tip and the workpiece are matched with an external aid grinding machine for machining.

2. The whole pushing mechanism is pushed in a gear and rack mode, the upper sleeve drives the whole alloy tip to push, and clamping and workpiece taking of the workpiece are completed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the propulsion mechanism of the present invention.

Fig. 3 is a schematic view of the spring structure of the present invention.

In the figure: 1-tailstock body, 3-limit screw, 4-handle seat, 5-rotating handle, 6-sleeve, 7-driving bin, 8-piston rod, 9-first rack, 10-gear, 11-second rack, 12-spring, 13-ejector rod, 14-spring sleeve and 15-alloy tip.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is taken in conjunction with the accompanying drawings

And an embodiment of the present invention will be described in further detail. It should be understood that the particulars described herein are of particular interest

The examples are provided only for explaining the present invention and are not intended to limit the present invention.

In the description of the present invention, it is to be understood that "front, rear, upper, lower, left, right", "inner,

The directions or positional relationships indicated by the outer, bottom, top, etc. are generally based on the directions or positions shown in the drawings

Relationships are for convenience of description and simplicity of description only, and in the event that no reverse explanation is made, these are intended to be included

The directional terms do not indicate or imply that the referenced device or element must have a particular orientation or be in a particular direction

Bit configuration and operation, and therefore, should not be construed as limiting the scope of the present invention.

Example 1

Referring to fig. 1-3, the gear and rack transmission tailstock of the cylindrical grinding machine is shown, and comprises a tailstock body 1, a sleeve 6, an alloy tip 15 and a propelling mechanism, wherein a mounting pipeline is arranged inside the tailstock body 1, and the sleeve 6 and the alloy tip 15 are movably arranged inside the mounting pipeline; a spring sleeve 14 is arranged inside the sleeve 6, and a push rod 13 is arranged inside the spring sleeve 14; a second rack 11 is arranged on the outer wall of the sleeve 6, and the second rack 11 is connected with a lower propelling mechanism; the propelling mechanism comprises a gear 10, a first rack 9, a piston rod 8 and a rotating handle 5, wherein the gear 10 is arranged on a rotating shaft of the tailstock body 1, the upper part of the gear 10 is meshed and connected with a second rack 11, and the lower part of the gear 10 is meshed and connected with the first rack 9 on the upper part of the piston rod 8; the rotating shaft is connected with the rotating handle 5 through a connecting piece; one end of the ejector rod 13 is connected with the twisting handle; in the above scheme, whole actuating mechanism can be through the running gear, through the first rack and the drive of second rack of gear drive upper and lower both sides, and then 6 endwise slip of time sleeve, realize advancing, and the setting of piston rod can set up drive element in the drive storehouse inside, and the promotion piston rod advances, and then drive sleeve endwise propulsion, realizes automatic drive, can install turning handle and automatic drive element as required.

Example 2:

in this embodiment, a piston rod 8 is further described on the basis of the existing embodiment 1, the piston rod 8 is movably disposed in a driving cavity of the tailstock body 1, and one end of the piston rod 8 is connected to a connecting hole of the driving cabin 7; the first rack 9 is fixedly arranged on the outer wall of the sleeve 6 through a limiting screw, and the outer wall of the sleeve 6 is connected with a sliding groove on the inner wall of the installation pipeline in a sliding mode through a sliding strip; one end of the alloy tip 15 is connected with the ejector rod 13 through the spring 12 in the spring sleeve 14; the tailstock body is arranged on the excircle grinding machine, the whole ejector rod is pushed by rotating the ejector rod, the alloy tip is pushed out by the spring to be in contact with a workpiece, the first fine adjustment limiting contact is realized, at the moment, the pushing mechanism is driven to form a limiting structure between the whole alloy tip and the workpiece, and the whole alloy tip and the workpiece are matched with an external aid grinding machine to be processed.

Example 3:

in this embodiment, the ejector rod 13 is further described on the basis of the existing embodiment 1, an external thread is arranged on the outer wall of the ejector rod 13, and the ejector rod 13 is connected with an internal thread of the through hole of the tailstock body 1 through the external thread; the bottom of the tailstock body 1 is provided with a limit screw 3; the upper part of the tailstock body 1 is provided with a handle seat 4, and the upper part of the handle seat 4 is provided with a rotating handle 5; a deep groove bearing is arranged at the joint of the rotating shaft and the tailstock body 1; the whole pushing mechanism is pushed in a gear and rack mode, the upper sleeve drives the whole alloy tip to push, and clamping and workpiece taking of the workpiece are completed.

The working principle is as follows:

the tailstock is a tightening device for the free end of a workpiece machined by a cylindrical grinding machine part, the tailstock is arranged on a workbench, and a tailstock assembly and a sleeve can move along the workbench. The tailstock sleeve consists of a buffer spring, a manual control adjusting mechanism, a gear and a rack transmission mechanism.

The operation of the tailstock is controlled manually and automatically; the manual control, adjust the position on the cylindrical grinder work bench of tailstock according to the length of the work piece of processing at first, screw up the screw and fix the tailstock, then rotate the knockout pin, adjustable compression spring force, elasticity passes through the sleeve, make the top directly push up the work piece, rotate the hand grip at last, drive the sleeve (gear, rack drive mechanism) through pivot and gear, make the top do the axial motion, finish the clamping and getting of the work piece.

The automatic control is that pressure oil is provided by a hydraulic station to control the movement of the piston, the piston moves to drive the gear shaft to rotate and then drive the sleeve to axially move (two groups of gears and rack transmission mechanisms), so that the tip makes axial movement, and the clamping and the workpiece taking of the workpiece are completed.

The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. In a further aspect of the present invention,

when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the purview of other ones of the embodiments

It is also within the scope of the present invention for the embodiments to achieve such features, structures, or characteristics.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a cylindrical grinder gear, rack drive tailstock, includes tailstock body (1), sleeve (6), alloy top (15) and advancing mechanism, its characterized in that: a mounting pipeline is arranged in the tailstock body (1), and a sleeve (6) and an alloy tip (15) are movably arranged in the mounting pipeline; a spring sleeve (14) is arranged in the sleeve (6), and a push rod (13) is arranged in the spring sleeve (14); a second rack (11) is arranged on the outer wall of the sleeve (6), and the second rack (11) is connected with the lower propelling mechanism;

the propelling mechanism comprises a gear (10), a first rack (9), a piston rod (8) and a rotating handle (5), the gear (10) is arranged on a rotating shaft of the tailstock body (1), the upper part of the gear (10) is meshed and connected with a second rack (11), and the lower part of the gear (10) is meshed and connected with the first rack (9) on the upper part of the piston rod (8); the rotating shaft is connected with a rotating handle (5) through a connecting piece; one end of the ejector rod (13) is connected with the twisting handle.

2. The gear and rack transmission tailstock of the cylindrical grinding machine according to claim 1, characterized in that: the piston rod (8) is movably arranged in a driving cavity of the tailstock body (1), and one end of the piston rod (8) is connected with a connecting hole of the driving bin (7).

3. The gear and rack transmission tailstock of the cylindrical grinding machine according to claim 1, characterized in that: the first rack (9) is fixedly arranged on the outer wall of the sleeve (6) through a limiting screw, and the outer wall of the sleeve (6) is connected with a sliding groove in a sliding mode, wherein the sliding groove is formed in the inner wall of the pipeline.

4. The gear and rack transmission tailstock of the cylindrical grinding machine according to claim 1, characterized in that: one end of the alloy tip (15) is connected with the ejector rod (13) through a spring (12) in the spring sleeve (14).

5. The gear and rack transmission tailstock of the cylindrical grinding machine according to claim 1, characterized in that: the outer wall of the ejector rod (13) is provided with an external thread, and the ejector rod (13) is connected with the internal thread of the through hole of the tailstock body (1) through the external thread.

6. The gear and rack transmission tailstock of the cylindrical grinding machine according to claim 1, characterized in that: the bottom of the tailstock body (1) is provided with a limiting screw (3).

7. The gear and rack transmission tailstock of the cylindrical grinding machine according to claim 1, characterized in that: the tailstock body (1) is provided with a handle seat (4) at the upper part, and a rotating handle (5) is arranged at the upper part of the handle seat (4).

8. The gear and rack transmission tailstock of the cylindrical grinding machine according to claim 1, characterized in that: and a deep groove bearing is arranged at the joint of the rotating shaft and the tailstock body (1).