CN219255002U

CN219255002U - Centreless grinder

Info

Publication number: CN219255002U
Application number: CN202222944648.7U
Authority: CN
Inventors: 张长柏
Original assignee: Baoji Junyou Metal Material Co ltd
Current assignee: Baoji Junyou Metal Material Co ltd
Priority date: 2022-11-05
Filing date: 2022-11-05
Publication date: 2023-06-27
Anticipated expiration: 2032-11-05

Abstract

The utility model discloses a centerless grinding machine, which belongs to the technical field of grinding machines, and particularly comprises a frame, wherein a grinding mechanism is arranged on the frame, and a supporting mechanism is arranged below the grinding mechanism; the supporting mechanism comprises a disc, a supporting plate is integrally formed in the middle of the disc, one end of the supporting plate is fixedly connected with a spring, one end of the spring is fixedly connected with a sliding block, and the supporting mechanism has the beneficial effects that: the four supporting mechanisms are used for supporting one pipeline, so that two pipelines can be supported simultaneously, and the arranged grinding wheel is positioned above the center of the two pipelines, so that the grinding wheel can be contacted with the two pipelines simultaneously, polishing of the two pipelines is finished synchronously, and polishing efficiency is greatly improved; the grinding wheel can be adjusted up and down, so that pipelines with different diameters can be polished, the polishing depth is convenient to adjust and control, and polishing is more flexible.

Description

Centreless grinder

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a centerless grinding machine.

Background

At present, a grinding machine for precisely grinding a steel pipe is generally arranged on the side surface of the grinding machine, the grinding wheel cannot automatically move up and down, the adjustment is complex, and the grinding precision is poor; and only one pipeline can be polished at a time, so that the polishing efficiency is low.

Disclosure of Invention

The present utility model has been made in view of the problems existing in the existing centerless grinding machine.

Therefore, the utility model aims to provide a centerless grinding machine, which solves the problems that the grinding wheel of the grinding machine is usually installed on the side surface, the grinding wheel cannot automatically move up and down, the adjustment is complex, and the grinding precision is poor in the existing grinding machine for precisely grinding the steel pipe; and only one pipeline can be polished at a time, so that the polishing efficiency is low.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

the centerless grinding machine comprises a frame, wherein a grinding mechanism is arranged on the frame, and a supporting mechanism is arranged below the grinding mechanism;

the supporting mechanism comprises a disc, a supporting plate is integrally formed in the middle of the disc, one end of the supporting plate is fixedly connected with a spring, and one end of the spring is fixedly connected with a sliding block.

As a preferable embodiment of the centerless grinder according to the present utility model, wherein: the disc is provided with a sliding groove, the inner wall of the sliding groove is connected with the sliding block in a sliding mode, and the sliding block is in a right-angle trapezoid shape.

As a preferable embodiment of the centerless grinder according to the present utility model, wherein: one end fixed connection pivot of disc, the output shaft of first motor is connected in the one end transmission of pivot, the pivot passes through the bearing and rotates the connection supporting shoe, the supporting shoe is installed on the brace table, and the brace table is installed in the frame.

As a preferable embodiment of the centerless grinder according to the present utility model, wherein: the belt pulleys are fixedly installed on the rotating shaft and the output shaft of the first motor, the two belt pulleys are connected through belt transmission, and the first motor is installed on the frame through bolts.

As a preferable embodiment of the centerless grinder according to the present utility model, wherein: the grinding mechanism comprises a grinding wheel, the inner wall of the grinding wheel is fixedly connected with a grinding wheel shaft, two ends of the grinding wheel shaft are rotationally connected with a shell through bearings, one end of the shell is slidably connected with a guide rail, one end of the guide rail is fixedly connected with a motor support, a second motor is mounted on the motor support through bolts, and an output shaft of the second motor is in transmission connection with the grinding wheel shaft through a belt and a belt pulley.

As a preferable embodiment of the centerless grinder according to the present utility model, wherein: the top of casing passes through bolted connection traction plate, the output shaft of traction plate top welded connection cylinder, the cylinder passes through the bolt mounting in the frame.

As a preferable embodiment of the centerless grinder according to the present utility model, wherein: the two first motors are arranged, and the output shafts of the two first motors are respectively connected with corresponding rotating shafts through belts and belt pulleys in a transmission manner.

Compared with the prior art:

1. the four supporting mechanisms are used for supporting one pipeline, so that two pipelines can be supported simultaneously, and the arranged grinding wheel is positioned above the center of the two pipelines, so that the grinding wheel can be contacted with the two pipelines simultaneously, polishing of the two pipelines is finished synchronously, and polishing efficiency is greatly improved;

2. the grinding wheel can be adjusted up and down, so that pipelines with different diameters can be polished, the polishing depth can be adjusted and controlled conveniently, and the polishing is more flexible;

3. through setting up supporting mechanism and supporting the pipeline, can accomplish the fixed stay to the pipeline fast, be favorable to further improving polishing efficiency.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model;

FIG. 2 is a top view of a support table and support mechanism provided by the present utility model;

FIG. 3 is an enlarged view of a portion of the support mechanism provided by the present utility model;

fig. 4 is a side view of fig. 3 provided by the present utility model.

In the figure: the grinding machine comprises a frame 1, a grinding mechanism 2, a grinding wheel shaft 20, an air cylinder 21, a traction plate 22, a shell 23, a guide rail 24, a grinding wheel 25, a second motor 26, a motor bracket 27, a supporting mechanism 3, a supporting block 31, a rotating shaft 32, a belt pulley 33, a disc 34, a supporting plate 341, a sliding groove 342, a sliding block 35, a spring 36, a supporting table 4 and a first motor 5.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a centerless grinder, please refer to fig. 1-4, comprising a frame 1, wherein a through hole is arranged at the upper part of the frame 1, a power supply bracket 27 penetrates and slides up and down, a grinding mechanism 2 is arranged on the frame 1, a supporting mechanism 3 is arranged below the grinding mechanism 2, and the number of the supporting mechanisms 3 is four, wherein two groups are one group, and the two groups are symmetrical about a grinding wheel 25; the first motor 5 and the second motor 26 are servo motors which can rotate in the forward and reverse directions;

the supporting mechanism 3 comprises a disc 34, a supporting plate 341 is integrally formed in the middle of the disc 34, one end of the supporting plate 341 is fixedly connected with a spring 36, and the spring 36 is used for driving the sliding block 35 to press a pipeline to be polished tightly.

The disc 34 is provided with a chute 342, the inner wall of the chute 342 is in sliding connection with a slider 35, one end of the slider 35 is fixedly connected with a spring 36, the slider 35 is in a right-angle trapezoid shape, one end of the disc 34 is fixedly connected with a rotating shaft 32, one end of the rotating shaft 32 is in transmission connection with an output shaft of the first motor 5, the rotating shaft 32 is in rotation connection with a supporting block 31 through a bearing, the supporting block 31 is arranged on a supporting table 4, the supporting table 4 is arranged on a frame 1, belt pulleys 33 are fixedly arranged on the rotating shaft 32 and the output shaft of the first motor 5, the two belt pulleys 33 are in transmission connection through a belt, and the first motor 5 is arranged on the frame 1 through bolts.

The grinding mechanism 2 comprises a grinding wheel 25, the inner wall of the grinding wheel 25 is fixedly connected with a grinding wheel shaft 20, two ends of the grinding wheel shaft 20 are rotatably connected with a shell 23 through bearings, one end of the shell 23 is slidably connected with a guide rail 24, one end of the guide rail 24 is fixedly connected with a motor support 27, a second motor 26 is mounted on the motor support 27 through bolts, an output shaft of the second motor 26 is in transmission connection with the grinding wheel shaft 20 through a belt and a belt pulley, the top end of the shell 23 is connected with a traction plate 22 through bolts, the top end of the traction plate 22 is welded with an output shaft of a cylinder 21, and the cylinder 21 is mounted on the frame 1 through bolts.

When the pipeline is specifically used, the pipeline is sleeved on the sliding blocks 35, and as the two sliding blocks 35 enter the inner cavity of the pipeline, the sliding blocks 35 gradually approach the supporting plate 341 to compress the springs 36, so that the elastic force of the springs 36 is utilized to drive the sliding blocks 35 to press the pipeline tightly; starting the first motor 5, and driving the disc 34 to rotate through the belt and the belt pulley, so as to drive the pipeline to rotate; and starting the second motor 26, driving the grinding wheel 25 to rotate through the belt and the belt pulley, and stretching the air cylinder 21 to drive the grinding wheel 25 to descend to contact with the pipeline, so that polishing of the pipeline is completed.

Example 2:

unlike example 1, the following is: the two first motors 5 are arranged, and the output shafts of the two first motors 5 are respectively connected with corresponding rotating shafts 32 through belts and belt pulleys in a transmission manner; the provision of two first motors 5 enables the separate control of the two sanded pipes.

When the pipeline is specifically used, the pipeline is sleeved on the sliding blocks 35, and as the two sliding blocks 35 enter the inner cavity of the pipeline, the sliding blocks 35 gradually approach the supporting plate 341 to compress the springs 36, so that the elastic force of the springs 36 is utilized to drive the sliding blocks 35 to press the pipeline tightly; starting the first motor 5, and driving the disc 34 to rotate through the belt and the belt pulley, so as to drive the pipeline to rotate; starting a second motor 26, driving the grinding wheel 25 to rotate through a belt and a belt pulley, and stretching the air cylinder 21 to drive the grinding wheel 25 to descend to contact with the pipeline so as to finish polishing the pipeline; at this time, the two first motors 5 respectively drive one pipe to rotate, and separately control one pipe, thereby being capable of polishing through different rotational speeds, respectively.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. Centerless grinder, including frame (1), install grinding machanism (2), its characterized in that on frame (1): a supporting mechanism (3) is arranged below the polishing mechanism (2);

the supporting mechanism (3) comprises a disc (34), a supporting plate (341) is integrally formed in the middle of the disc (34), one end of the supporting plate (341) is fixedly connected with a spring (36), and one end of the spring (36) is fixedly connected with a sliding block (35).

2. The centerless grinder of claim 1 wherein the disc (34) has a chute (342) formed therein, an inner wall of the chute (342) being slidably connected to the slider (35), the slider (35) being in the shape of a right angle trapezoid.

3. The centerless grinder of claim 1 wherein one end of the disc (34) is fixedly connected with a rotating shaft (32), one end of the rotating shaft (32) is in transmission connection with an output shaft of the first motor (5), the rotating shaft (32) is rotatably connected with a supporting block (31) through a bearing, the supporting block (31) is mounted on a supporting table (4), and the supporting table (4) is mounted on the frame (1).

4. A centerless grinder according to claim 3 wherein the output shafts of the spindle (32) and the first motor (5) are each fixedly provided with a pulley (33), the two pulleys (33) being connected by a belt drive, the first motor (5) being mounted on the frame (1) by means of bolts.

5. The centerless grinding machine according to claim 1, wherein the grinding mechanism (2) comprises a grinding wheel (25), the inner wall of the grinding wheel (25) is fixedly connected with a grinding wheel shaft (20), two ends of the grinding wheel shaft (20) are rotatably connected with a shell (23) through bearings, one end of the shell (23) is slidably connected with a guide rail (24), one end of the guide rail (24) is fixedly connected with a motor support (27), a second motor (26) is mounted on the motor support (27) through bolts, and an output shaft of the second motor (26) is in transmission connection with the grinding wheel shaft (20) through a belt and a belt pulley.

6. The centerless grinder of claim 5 wherein the top end of the housing (23) is bolted to a traction plate (22), the top end of the traction plate (22) is welded to the output shaft of a cylinder (21), and the cylinder (21) is bolted to the frame (1).

7. A centerless grinder according to claim 3, wherein two first motors (5) are provided, and the output shafts of the two first motors (5) are respectively connected with corresponding rotating shafts (32) through a belt and a belt pulley in a transmission manner.