CN215700807U

CN215700807U - Transmission device on grinding machine upright post

Info

Publication number: CN215700807U
Application number: CN202122086794.6U
Authority: CN
Inventors: 董松直; 朱文琦
Original assignee: Chongqing Jingjing Intelligent Equipment Co ltd
Current assignee: Chongqing Jingjing Intelligent Equipment Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-01
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to the technical field of machining, and particularly discloses a transmission device on a grinding machine stand column, which is arranged on a stand column body and comprises a driving piece, a cantilever rod and a moving block, wherein the driving piece is fixedly connected to the top of the stand column body through a screw, the driving piece drives the cantilever rod to rotate, the cantilever rod is a threaded rod, the moving block is movably connected to the cantilever rod through a ball carried by the moving block, the moving block and the cantilever rod form a ball screw structure, the cantilever rod is vertically arranged, the cantilever rod is positioned on one side of the width direction of an electric spindle, and the moving block is fixedly connected to the side edge of a shell of the electric spindle. This scheme is through setting up the cantilever bar cantilever at the electricity main shaft side, has reduced stand assembly's overall dimension, has alleviated the big problem of prior art well stand assembly size.

Description

Transmission device on grinding machine upright post

Technical Field

The utility model relates to the technical field of machining, in particular to a transmission device on a grinding machine stand column.

Background

The application of the grinding machine in machining is more and more extensive, the grinding machine with the numerical control center can realize the grinding processing of cutting tools such as milling cutters, reamers, drill bit tools and the like, different cutting tools have different shapes, so the requirement on the grinding machine is relatively high, the grinding machine is provided with an X shaft, a Y shaft and a Z shaft and also provided with a C shaft, in addition, the Z shaft is generally provided with an electric main shaft, and a tool shank mechanism is arranged through the electric main shaft; however, the more the grinding machine has, the larger the size of the grinding machine is, and especially for the upright post assembly with the Z axis, the transmission device is used for realizing the movement of the moving block on the Z axis, and the electric spindle is also mounted on the moving block moving along the Z axis, and the electric spindle is large in size, especially the length of the electric spindle is long, so that the overall size of the upright post assembly is large, which is not beneficial to the reduction of the overall size of the grinding machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transmission device on a grinding machine upright post, so as to relieve the problem of large size of an upright post assembly in the prior art.

In order to achieve the above object, the basic scheme of the utility model is as follows:

the utility model provides a transmission on grinding machine stand, installs on the stand body, includes driving piece and movable block, and the driving piece is used for driving the movable block vertical movement, still includes the cantilever bar, and the cantilever bar is connected on the stand body, and the movable block is along cantilever bar axial displacement, and the cantilever bar is located electric main shaft width direction one side, electric main shaft and movable block fixed connection.

Compare the beneficial effect in prior art: when the scheme is adopted, the driving piece drives the moving block to vertically move along the cantilever rod, the electric main shaft synchronously moves along with the moving block, and the cantilever rod is arranged on one side of the width direction of the electric main shaft, so that the size of the upright post assembly in the axial length direction of the electric main shaft is not required to be larger, the cantilever rod is positioned on one side of the width direction of the electric main shaft and has a cantilever function, and the part of the cantilever rod extending into the upright post body is not required to be supported and fixed by an independent supporting seat, so that the size of the upright post assembly in the width direction of the electric main shaft is small, and the overall size of the upright post assembly is greatly reduced; in addition, in the scheme, the existence of the cantilever rod enables the moving block to move more stably.

Furthermore, the cantilever rod is a threaded rod, the moving block is movably connected to the cantilever rod through a ball, and the driving piece is used for driving the cantilever rod to rotate.

Has the advantages that: the cantilever rod and the moving block form a ball screw structure, and the structure is simple and small in size, and is beneficial to size reduction of the stand column assembly.

Further, fixedly connected with bearing frame on the stand body, the bearing frame is the T style of calligraphy, and the cantilever bar rotates to be connected in the bearing frame.

Has the advantages that: the bearing frame of T style of calligraphy makes things convenient for the rotation of cantilever bar on the stand body on the one hand, and on the other hand, the T style of calligraphy structure of bearing frame just in time can be supported by the stand body, and simple structure just is good to cantilever bar's supporting effect.

Furthermore, one end of the bearing seat close to the moving block is fixedly connected with a buffer block, and the buffer block protrudes from the upright post body.

Has the advantages that: through the setting of buffer block, avoid the movable block striking stand body to cause the damage.

Furthermore, a U-shaped opening is formed in the buffer block, so that the buffer block can be conveniently replaced.

Further, the driving member has a braking function.

Has the advantages that: the driving piece has a braking function, so that the whole body after the mounting seat and the sliding block are connected can be prevented from being rapidly stopped after being rapidly moved, the moving precision of the mounting seat is ensured, and the processing precision of the grooving machine is improved.

Further, the driving piece is positioned above the upright post body.

Has the advantages that: the installation and the maintenance of the driving piece are convenient.

Furthermore, a sliding block is fixedly connected to the shell of the electric spindle, a sliding rail matched with the sliding block is fixedly connected to the stand column body, and the sliding rail is parallel to the cantilever rod.

Has the advantages that: when this scheme of adoption, pass through slider direct sliding connection with the casing of electricity main shaft on the stand body, and the slide rail is parallel with the cantilever bar again, further guarantees the stability that the movable block drove the vertical removal of electricity main shaft.

Drawings

FIG. 1 is an isometric view of an embodiment of the present invention as applied to a column assembly;

FIG. 2 is a schematic view of the connection between the transmission and the electric spindle according to the present invention;

FIG. 3 is a top view of a damper block in the transmission of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the vertical column type electric spindle comprises a vertical column body 100, an electric spindle 20, a driving piece 60, a cantilever rod 70, a moving block 80, a bearing seat 90, a buffer block 91, a sliding block 201 and a sliding rail 101.

Examples

Embodiments are substantially as shown in fig. 1 to 3, a drive for a grinding machine column,

install on the column body 100, including driving piece 60, cantilever bar 70 and movable block 80, driving piece 60 adopts servo motor, driving piece 60 has the brake function, driving piece 60 passes through screw fixed connection at the top of column body 100, driving piece 60 drives cantilever bar 70 and rotates, cantilever bar 70 is the threaded rod, movable block 80 moves through the ball that has and connects on cantilever bar 70, movable block 80 and cantilever bar 70 form the ball screw structure, cantilever bar 70 is vertical to be set up, cantilever bar 70 is located electricity main shaft 20 width direction one side, movable block 80 fixed connection is at the casing side of electricity main shaft 20.

The upright post body 100 is fixedly connected with a bearing seat 90 through a screw, the bearing seat 90 is T-shaped, and the cantilever rod 70 is rotatably connected in the bearing seat 90 through a bearing; the bottom of the bearing seat 90 is fixedly connected with a buffer block 91, the buffer block 91 is sleeved on the cantilever rod 70, the buffer block 91 protrudes from the upright post body 100, the moving block 80 is positioned below the buffer block 91, and a U-shaped opening is formed in the buffer block 91 to facilitate replacement of the buffer block 91.

A sliding block 201 is fixedly connected to the housing of the electric spindle 20 through a screw, a sliding rail 101 matched with the sliding block 201 is fixedly connected to the column body 100, and the sliding rail 101 is parallel to the cantilever bar 70.

The specific implementation process is as follows:

when the present embodiment is adopted, when the driving member 60 drives the moving block 80 to vertically move along the cantilever rod 70, the electric spindle 20 moves synchronously with the moving block 80, and the cantilever rod 70 is disposed on one side of the width direction of the electric spindle 20, so that the dimension of the upright post assembly in the axial length direction of the electric spindle 20 does not need to be large, the cantilever rod 70 is located on one side of the width direction of the electric spindle 20, and the cantilever rod 70 has a cantilever function, the part of the cantilever rod 70 extending into the upright post body 100 does not need to be supported and fixed by an independent supporting seat, so the dimension of the upright post assembly in the width direction of the electric spindle 20 is small, in addition, the occupied area of the ball screw structure formed by the cantilever rod 70 and the moving block 80 is small, and the overall dimension of the upright post assembly is greatly reduced.

In addition, the shell of the electric spindle 20 is utilized, so that the electric spindle 20 is conveniently and fixedly connected with the moving block 80, and the sliding block 201 arranged on the shell of the electric spindle 20 is utilized, so that the stability of driving the electric spindle 20 to vertically move by a transmission device is increased.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a transmission on grinding machine stand installs on the stand body, includes driving piece and movable block, and the driving piece is used for driving movable block vertical movement, its characterized in that: the electric spindle further comprises a cantilever rod, the cantilever rod is connected to the stand column body, the moving block moves axially along the cantilever rod, the cantilever rod is located on one side of the width direction of the electric spindle, and the electric spindle is fixedly connected with the moving block.

2. The transmission device on the grinding machine upright post as claimed in claim 1, characterized in that: the cantilever rod is a threaded rod, the moving block is movably connected to the cantilever rod through a ball, and the driving piece is used for driving the cantilever rod to rotate.

3. The transmission device on the grinding machine upright post as claimed in claim 2, characterized in that: the stand body is fixedly connected with a bearing seat, the bearing seat is T-shaped, and the cantilever rod is rotatably connected in the bearing seat.

4. A drive for a grinding machine column as claimed in claim 3, wherein: one end of the bearing block, which is close to the moving block, is fixedly connected with a buffer block, and the buffer block protrudes from the upright post body.

5. The transmission device on the grinding machine upright post as claimed in claim 4, characterized in that: and a U-shaped opening is formed in the buffer block.

6. The transmission device on the grinding machine upright post as claimed in claim 1, characterized in that: the driving piece has a brake function.

7. The transmission device on the grinding machine upright post as claimed in claim 1, characterized in that: the driving piece is positioned above the upright post body.

8. The transmission device on the grinding machine upright post as claimed in claim 1, characterized in that: the shell of the electric spindle is fixedly connected with a sliding block, the upright post body is fixedly connected with a sliding rail matched with the sliding block, and the sliding rail is parallel to the cantilever rod.