CN217413391U

CN217413391U - Cylindrical grinder and hydraulic tailstock device thereof

Info

Publication number: CN217413391U
Application number: CN202220425299.5U
Authority: CN
Inventors: 胡宏寅; 程宇
Original assignee: Beijing Chonglee Machinery Engineering Co Ltd
Current assignee: Beijing Chonglee Machinery Engineering Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-09-13
Anticipated expiration: 2032-02-28

Abstract

The utility model belongs to the technical field of cylindrical grinding machines, and discloses a cylindrical grinding machine and a hydraulic tailstock device thereof; cylindrical grinder hydraulic pressure tailstock device includes: the tailstock comprises a tailstock body, a tailstock centre, a hydraulic driving cylinder, a cylinder body fixing piece and a centre connecting piece; the tailstock center is arranged on the tailstock body in a sliding mode; the cylinder body of the hydraulic drive cylinder is fixed on the tailstock body through the cylinder body fixing piece, and the cylinder rod of the hydraulic drive cylinder is connected with the centre through the centre connecting piece. The utility model provides a cylindrical grinder and hydraulic pressure tailstock device thereof can greatly restrain the problem of tailstock wearing and tearing degradation precision, simplifies the maintenance operation, promotes maintenance efficiency.

Description

Cylindrical grinder and hydraulic tailstock device thereof

Technical Field

The utility model relates to a cylindrical grinder technical field, in particular to cylindrical grinder and hydraulic pressure tailstock device thereof.

Background

Due to the design problem of the cylindrical grinding machine, the tailstock of the machine tool is abraded seriously along with the increase of the service time, so that the axial error of a clamping workpiece is large, and the machining requirement cannot be met. In addition, when the machine tool is processed, the problems of low processing adaptability of workpieces and the like exist because the stroke of the center is short. The traditional maintenance solution is to overhaul the planes of the guide rail of the workbench of the machine tool and the guide rail of the grinding wheel and recover the integral precision of the machine tool, which results in lower complexity and efficiency of maintenance operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cylindrical grinder and hydraulic pressure tailstock device thereof, the tailstock of cylindrical grinder easily wears and leads to the precision degradation among the solution prior art, and it is big to maintain the operation degree of difficulty, the technical problem of inefficiency.

In order to solve the technical problem, the utility model provides a cylindrical grinder hydraulic pressure tailstock device, include: the tailstock comprises a tailstock body, a tailstock centre, a hydraulic driving cylinder, a cylinder body fixing piece and a centre connecting piece;

the tailstock center is arranged on the tailstock body in a sliding mode;

the cylinder body of the hydraulic drive cylinder is fixed on the tailstock body through the cylinder body fixing piece, and the cylinder rod of the hydraulic drive cylinder is connected with the centre through the centre connecting piece.

Further, the sliding direction of the tailstock center is the axial direction of the tailstock center.

Further, the telescopic direction of the cylinder rod is the axial direction of the tailstock center.

Further, cylindrical grinder hydraulic pressure tailstock device still includes: the hydraulic valve group comprises a hydraulic source, a hydraulic valve group and a foot switch;

the hydraulic source is connected with the hydraulic driving cylinder through a transfusion pipeline, and the hydraulic valve group is arranged on the transfusion pipeline;

the foot switch is connected with the hydraulic valve group.

Further, cylindrical grinder hydraulic pressure tailstock device still includes: a hydraulic pressure meter;

the hydraulic gauge is arranged on the infusion pipeline.

Further, the cylinder fixing member includes: a fixing plate;

the cylinder body of the hydraulic driving cylinder is fixedly connected with the tailstock body through the fixing plate.

Further, the tip connection member includes: the connecting plate, the connecting shaft sleeve and the locking bolt;

the connecting shaft sleeve is sleeved at the tail end of the tailstock center, the locking bolt is screwed on the connecting shaft sleeve, and the locking piece abuts against the side wall of the tailstock center;

the connecting plate is fixed on the connecting shaft sleeve and connected with a cylinder rod of the driving hydraulic cylinder.

Further, cylindrical grinder hydraulic pressure tailstock device still includes: a limiting shaft sleeve;

the limiting shaft sleeve is sleeved on the cylinder rod and is positioned between the hydraulic driving cylinder and the connecting plate.

Furthermore, the connecting plate is connected to the connecting shaft sleeve through a fastener, and a preformed hole opposite to the tail end of the tailstock center is formed in the connecting plate.

A cylindrical grinding machine comprising: the cylindrical grinding machine hydraulic tailstock device of any one of the above.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

according to the cylindrical grinding machine and the hydraulic tailstock device thereof, the hydraulic driving cylinder is arranged on the tailstock body of the tailstock of the grinding machine, and the cylinder rod of the hydraulic driving cylinder is connected with the tailstock center, so that the tailstock center is driven to move through the hydraulic driving cylinder, and the function of the tailstock is realized; the tailstock guide rail device is used for replacing a mode that the tailstock body in the prior art moves to drive the tailstock tip to move, the moving frequency of the tailstock body relative to the workbench guide rail is greatly reduced, the abrasion degree is reduced, the service life of the tailstock guide rail device is prolonged, and the clamping precision of the tailstock body is guaranteed. Meanwhile, the maintenance operation of the tailstock center can be simplified, and the maintenance efficiency is improved. On the other hand, can directly install hydraulic drive cylinder and the connection structure detachable that cooperatees on current cylindrical grinder tailstock and link to each other with the tailstock is top to under the circumstances of not reforming transform current cylindrical grinder tailstock, realize the configuration of hydraulic drive functional structure, greatly reduced the cost and the degree of difficulty of reforming transform, and promote its application scope.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a hydraulic tailstock device of a cylindrical grinding machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fixing plate according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a fixing plate according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connection plate according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a connection plate according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a limiting shaft sleeve according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a connecting shaft sleeve according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indications in the embodiments of the present application are only used to explain the relative position relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

The present application is described below with reference to specific embodiments in conjunction with the attached drawings.

The embodiment of the application provides a cylindrical grinder and hydraulic tailstock device thereof, solves the technical problems that the tailstock of the cylindrical grinder in the prior art is easy to wear and cause precision deterioration, the maintenance operation difficulty is high, and the efficiency is low.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the present disclosure, and it should be understood that the specific features of the embodiments and examples of the present disclosure are detailed descriptions of the technical solutions of the present disclosure, but not limitations of the technical solutions of the present disclosure, and the technical features of the embodiments and examples of the present disclosure may be combined with each other without conflict.

The embodiment of the application provides a cylindrical grinder hydraulic tailstock device is applied to cylindrical grinder, through the optimization to its tailstock and liftout structure, improves the problem that the top precision degradation of tailstock that the tailstock wearing and tearing lead to reduces to further simplify its maintenance operation, promote maintenance efficiency.

Particularly, the hydraulic driving mechanism is arranged on the tailstock and used for driving the tailstock center to move back and forth on an axis relative to the tailstock body to clamp and release the workpiece, so that the operation of clamping and releasing the workpiece is realized instead of the operation of moving the tailstock back and forth, the abrasion between the tailstock body and the guide rail of the cylindrical grinding machine is reduced, the function and the precision of the tailstock body are guaranteed, the maintenance complexity can be reduced, and the maintenance efficiency is improved.

Referring to fig. 1, the hydraulic tailstock device of a cylindrical grinding machine provided in this embodiment includes: the tailstock comprises a tailstock body 20 and a tailstock center 21 capable of sliding on the tailstock body 20 along an axis; that is, the tailstock body 20 is provided with a structure for slidably fixing the tailstock center 21, so that the tailstock center is slidably assembled on the tailstock body 20.

In some embodiments, the sliding axis of the tailstock center 21 may be set as the central axis of the tailstock center 21; whereby the sliding operation of the tailstock centre 21 is either advancing or retracting along its central axis.

Accordingly, when the tailstock center 21 is operated, the tailstock body 20 is fixed on the guide rail 10 of the cylindrical grinding machine. Of course, when the specification of the clamped workpiece has a large change, the relative position of the tailstock body 20 with respect to the guide rail 10 can be adjusted, that is, the tailstock body 10 slides with respect to the guide rail 10 and then is fixed, so as to meet the clamping requirements of workpieces with different specifications. The adjusting mode matched with the specification of the workpiece can reduce the moving frequency and the integral displacement of the tailstock body 20 to a certain extent, thereby reducing the sliding wear.

In order to realize reliable clamping operation, a hydraulic driving cylinder 40 can be arranged on the tailstock body 20, and a hydraulic source is matched with an external hydraulic system to realize external output driving force. The cylinder body of the hydraulic driving cylinder 40 can be fixed on the tailstock body 20 through the cylinder body fixing piece 30, and the two are kept relatively static; accordingly, the cylinder rod 41 of the hydraulic cylinder 40 can move relative to the tailstock body 20, so that the tailstock center 21 is pushed and pulled to slide directionally relative to the tailstock body 20 through the center connecting piece 60 to clamp and release the workpiece.

In this embodiment, in order to reduce the overall scale and to be compatible with the environment of peripheral equipment, the cylinder body of the hydraulic drive cylinder 40 may be disposed above the tailstock body 20, and the telescopic axis of the cylinder rod 41 may be arranged in parallel with the movement axis of the tailstock center 21.

Specifically, the extending end of the cylinder rod of the hydraulic drive cylinder 40 and the tail end of the tailstock center 21 can be arranged on the same side, and the cylinder rod 41 pushes and pulls the tailstock center 21 through the center connecting piece 60. Namely, the cylinder rod 41 extends out to drive the tailstock center 21 to move backwards relative to the tailstock body 20, so as to release the workpiece or leave a workpiece accommodating space; the cylinder rod 41 retracts to drive the tailstock center 21 to advance relative to the tailstock body 20, and the workpiece is pressed and clamped.

In order to connect the cylinder rod 41 and the tailstock center 21 and reduce the scale of the connection structure, the center connection member 60 may be provided as a connection plate to connect the cylinder rod 41 and the tailstock center 21, respectively.

Referring to fig. 4 and 5, in some embodiments, in order to facilitate assembly and ensure assembly, a first connection hole 63 for connecting the cylinder rod 41 may be formed in a connection plate, and a tip of the cylinder rod 41 may be inserted into the first connection hole 63 and then fixed by a locking member. Similar connecting holes can be formed in the connecting plate, and a fastener is arranged on the connecting plate and used for fixing the tailstock center 21.

Referring to fig. 1, 4 and 7, the connecting sleeve 64 may be provided with a screw hole 643 formed in a side wall thereof, and the tightening bolt 65 may be disposed in the screw hole 643. The connecting sleeve 64 can be sleeved on the tail end of the tailstock center 21 and abutted against the tail end of the tailstock center 21 through the puller bolt 65, so that the connecting sleeve 64 is stably connected to the tailstock center 21. The axial tail end face of the connecting shaft sleeve 64 is provided with a bolt hole 642 which is opposite to the counter bore 61 arranged on the connecting plate, and the connecting plate can be fixed on the connecting shaft sleeve 64 through a headed bolt, so that the detachable fixation is realized, and the hydraulic driving cylinder 40 and the related connecting pieces thereof can be flexibly disassembled and assembled as required.

In order to adjust the position of the tailstock center 21 conveniently, a reserved hole 62 can be formed in the connecting plate, so that the operation is convenient.

Referring to fig. 6, in order to avoid excessive movement of the tailstock center 21, a limiting bushing 42 may be sleeved on the cylinder rod 41, and located between the hydraulic drive cylinder 40 and the connecting plate, to limit the distance between the connecting plate and the cylinder body, so as to avoid the connecting plate from abutting against the tailstock body.

Of course, in order to implement modification of the conventional cylindrical grinding machine, other connecting members, fixing members, and the like may be used to fix the hydraulic cylinder 40 and connect the tailstock center 21.

To drive the hydraulic drive cylinder 40, a hydraulic pressure source and a hydraulic valve block may be provided; the hydraulic source is connected with the hydraulic driving cylinder 40 through a transfusion pipeline, and the hydraulic valve group is arranged on the transfusion pipeline; thereby driving the hydraulic drive cylinder to act through the hydraulic source. The telescopic action of the hydraulic drive cylinder 40 is realized by operating the hydraulic valve group, so that the action of the tailstock center 21 is realized.

And a foot switch can be arranged to be connected with the hydraulic valve group, so that the on-off and opening control of the hydraulic valve group can be realized through foot operation. In addition, the control of the tail tip 21 can be realized by one person, and the operation efficiency is improved.

In order to facilitate the control of an operator, the hydraulic tailstock device of the cylindrical grinding machine is also provided with a hydraulic gauge 50; the hydraulic gauge 50 is arranged on the infusion pipeline and displays hydraulic pressure in real time so as to guide an operator to act.

Of course, besides the above-mentioned independent hydraulic source system, the self-contained hydraulic system of the cylindrical grinding machine can also be used, and is not limited here.

Referring to fig. 2 and 3, in order to facilitate fixing and reduce the fixing scale, the cylinder fixing member 30 is provided as a fixing plate for connecting the cylinder of the hydraulic cylinder 40 and the tailstock body 20.

For convenience of fixing, the fixing plate is provided with a fixing passing window 31 for facilitating the passing of the head end of the tailstock center 21, the fixing plate is further provided with a fixing counter bore 32 for facilitating the fixing to the tailstock body, and for convenience of fixing the hydraulic drive cylinder 40, the fixing plate is further provided with a cylinder body fixing hole 33 for fixing the cylinder body.

It should be noted that the hydraulic drive cylinder 40, the cylinder body fixing member 30, the center connecting member 60 provided in this embodiment can be designed to match the shapes of the tailstock body 20 and the tailstock center 21, so that the hydraulic drive cylinder 40, the cylinder body fixing member 30 and the center connecting member 60 can be directly connected to the structure of the conventional cylindrical grinding machine in a matching manner, without modifying the conventional cylindrical grinding machine, and the center function is optimized under the condition that the conventional structure is not changed, thereby greatly improving the adaptability of the cylindrical grinding machine.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to 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," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not being in direct contact, but rather being in contact with each other via additional features between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification can be combined and combined by a person skilled in the art

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. The utility model provides a cylindrical grinder hydraulic pressure tailstock device which characterized in that includes: the tailstock comprises a tailstock body, a tailstock centre, a hydraulic driving cylinder, a cylinder body fixing piece and a centre connecting piece;

the tailstock center is arranged on the tailstock body in a sliding mode;

2. The hydraulic tailstock apparatus of a cylindrical grinding machine according to claim 1, wherein the sliding direction of the tailstock centre is the axial direction of the tailstock centre.

3. The hydraulic tailstock apparatus of a cylindrical grinding machine according to claim 2, wherein the cylinder rod is extended and retracted in the axial direction of the tailstock center.

4. The cylindrical grinding machine hydraulic tailstock apparatus according to claim 1, further comprising: the hydraulic valve group comprises a hydraulic source, a hydraulic valve group and a foot switch;

the foot switch is connected with the hydraulic valve group.

5. The hydraulic tailstock apparatus of a cylindrical grinding machine according to claim 4, further comprising: a hydraulic gauge;

the hydraulic gauge is arranged on the infusion pipeline.

6. The cylindrical grinding machine hydraulic tailstock apparatus according to claim 1, wherein the cylinder mount comprises: a fixing plate;

7. A hydraulic tailstock apparatus according to claim 1, wherein the tip attachment member comprises: the connecting plate, the connecting shaft sleeve and the locking bolt;

8. The cylindrical grinding machine hydraulic tailstock apparatus according to claim 7, further comprising: a limiting shaft sleeve;

9. The hydraulic tailstock apparatus of a cylindrical grinding machine according to claim 7, wherein the connecting plate is connected to the connecting sleeve through a fastener, and a preformed hole opposite to the tail end of the tailstock center is formed in the connecting plate.

10. A cylindrical grinding machine, comprising: the hydraulic tailstock apparatus of a cylindrical grinding machine according to any one of claims 1 to 9.