CN108723955B

CN108723955B - Grinding machine with adjustable range of machined surface

Info

Publication number: CN108723955B
Application number: CN201810412748.0A
Authority: CN
Inventors: 傅飞
Original assignee: Wuhu Lanren Intelligent Technology Co ltd
Current assignee: WUHU LANREN INTELLIGENT TECHNOLOGY Co.,Ltd.
Priority date: 2018-05-03
Filing date: 2018-05-03
Publication date: 2020-09-29
Anticipated expiration: 2038-05-03
Also published as: CN108723955A

Abstract

The invention relates to a grinding machine with an adjustable processing surface range, which comprises a bottom plate, wherein an upright post is fixed on the right side of the bottom plate, a mounting disc is fixed on the upright post, five sliding grooves are equidistantly distributed on the mounting disc, sliding blocks are all installed on the sliding grooves, driving shafts are all installed on the sliding blocks, grinding wheels are all connected to the bottoms of the driving shafts, long rods are all connected to the tops of the driving shafts, a driving ring is commonly supported by the long rods on the driving shafts, a bearing block is fixed on the driving ring, the bearing block is connected with a vertically arranged lead screw, the lead screw is connected with a motor, synchronous pulleys are all installed on the driving shafts, synchronous belts are commonly installed on the driving shafts, a driving synchronous pulley is installed at the left end of each synchronous belt. The invention can increase the grinding area of the workpiece during processing, reduce the moving times, has short time consumption and high working efficiency, and meets the processing requirements of workpieces with different sizes.

Description

Grinding machine with adjustable range of machined surface

Technical Field

The invention relates to the technical field of machining, in particular to a grinding machine with an adjustable machining surface range.

Background

The grinding processing belongs to the finish machining in the mechanical processing, and has the advantages of less processing amount and high precision. The carbon tool steel and the carburized and quenched steel parts subjected to heat treatment quenching are widely applied to the mechanical manufacturing industry, a large number of regularly arranged cracks, namely grinding cracks, often appear on the surface basically vertical to the grinding direction during grinding, and the grinding cracks not only affect the appearance of the parts, but also directly affect the quality of the parts more importantly.

In the traditional grinding process, the grinding of the surface of a workpiece is usually realized by the rotation of a grinding wheel, but the grinding wheel in the prior art has small diameter, and needs to travel for many times through a movable platform when processing a large-area workpiece, so that the time consumption is long and the working efficiency is low; the diameter of the grinding wheel is increased, the manufacturing cost is greatly increased, and the grinding wheel is not beneficial to actual production and use, so that how to realize the processing of workpieces with convenient large-area sizes, short time consumption and high efficiency becomes one of the problems which need to be solved urgently in a workshop.

Disclosure of Invention

In order to avoid and solve the technical problem, the invention provides a grinding machine with an adjustable processing surface range.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the utility model provides a machined surface scope adjustable milling machine, includes the bottom plate, the right side of bottom plate is fixed with the stand, the left side of stand is fixed with the mounting disc, equidistant distribution has five spouts along the radial setting of mounting disc on the mounting disc, all install the slider on the spout just the drive shaft is all installed through the bearing to the slider, the bottom of drive shaft all is connected with emery wheel, top and all is connected with the stock that sets up in the center and the slant of keeping away from the mounting disc through the bearing.

The long rods on the driving shafts in the five sliding grooves support a driving ring together, the driving ring is located on the lower side of the long rods, bearing blocks are fixed on the driving ring and connected with vertically arranged lead screws, and the lead screws are connected with motors fixed on the stand columns.

The driving shaft is provided with synchronous pulleys, a synchronous belt is jointly installed on the synchronous pulleys on the driving shaft in the five sliding grooves, a driving synchronous pulley is installed at the left end of the synchronous belt and connected with a driving motor, a tension pulley supported on the synchronous belt is arranged between the driving synchronous pulley and the synchronous pulley on the left side, and the tension pulley is connected with the bottom plate.

As a further improvement of the invention, the driving ring comprises an outer ring, an inner ring and connecting rods, wherein the two ends of the connecting rods are respectively connected to the outer ring and the inner ring and are positioned on two sides of the long rod.

As a further improvement of the invention, a guide column which is arranged in parallel with the screw rod and is in sliding fit with the bearing block is fixed on the upright column.

The invention has the beneficial effects that:

the grinding machine has the advantages of reasonable structural design, simplicity in operation, capability of increasing the grinding area of a workpiece during machining by combining a plurality of grinding wheels, reduction in moving times, short time consumption, high working efficiency, capability of being adjusted in real time to meet the machining requirements of workpieces with different sizes, flexibility in use, small size, low manufacturing cost and great convenience in grinding the workpieces in a workshop.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of the present invention;

FIG. 3 is a top view of the present invention with the drive ring removed;

fig. 4 is a perspective view of the drive ring of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.

As shown in fig. 1 to 4, a milling machine with an adjustable range of a processing surface comprises a base plate 1, a vertical column 2 is fixed on the right side of the base plate 1, a mounting disc 3 is fixed on the left side of the vertical column 2, five sliding chutes 3a radially arranged along the mounting disc 3 are distributed on the mounting disc 3 at equal intervals, sliding blocks 4 are mounted on the sliding chutes 3a, driving shafts 5 are mounted on the sliding blocks 4 through bearings, the bottoms of the driving shafts 5 are connected with grinding wheels 6, and the tops of the grinding wheels are connected with long rods 7 which are arranged obliquely upwards and away from the center of the mounting disc 3 through bearings.

The long rods 7 on the driving shafts 5 in the five sliding grooves 3a support a driving ring 8 together, the driving ring 8 is positioned at the lower side of the long rods 7, the driving ring 8 is fixed with a bearing block 9, the bearing block 9 is connected with a vertically arranged lead screw 10, and the lead screw 10 is connected with a motor 11 fixed on the upright post 2.

The driving shaft 5 is provided with synchronous pulleys 12, the synchronous pulleys 12 on the driving shaft 5 in the five chutes 3a are provided with a synchronous belt 13, the left end of the synchronous belt 13 is provided with a driving synchronous pulley 14, the driving synchronous pulley 14 is connected with a driving motor 15, a tension pulley 17 supported on the synchronous belt 13 is arranged between the driving synchronous pulley 14 and the left synchronous pulley 12, and the tension pulley 17 is connected with the bottom plate 1.

The driving ring 8 includes an outer ring 81, an inner ring 82, and a connecting rod 83 having both ends connected to the outer ring 81 and the inner ring 82, respectively, and located at both sides of the long rod 7. When the driving ring 8 moves upwards in use, the outer ring 81 pushes the driving shaft 5 to slide towards the inner side of the mounting disc 3; when the driving ring 8 moves downwards, the inner ring 82 pushes the driving shaft 5 to slide towards the outer side of the mounting disc 3, so that the range of the processing surface formed by the grinding wheel 6 is changed, and the connecting rod 83 is used for limiting the rotation of the long rod 7.

And a guide column 16 which is arranged in parallel with the screw rod 10 and is in sliding fit with the bearing block 9 is fixed on the upright column 2.

When the grinding wheel device is used, a workpiece is placed on the bottom plate 1 after being fixed through external clamping, the driving motor 15 is started to drive the driving synchronous belt wheel 14 to rotate, and the five synchronous belt wheels 12 are driven to rotate together under the action of the synchronous belt 13, so that the driving shaft 5 rotates, and the grinding wheel 6 rotates to grind the surface of the workpiece to be machined.

Meanwhile, the motor 11 is started and drives the screw rod 10 to rotate, the driving ring 8 can vertically slide along the guide post 16, the driving ring 8 pushes the long rod 7, the driving shaft 5 slides on the sliding block 4 along the sliding groove 3a, the radial size of an area formed by surrounding five grinding wheels 6 during working is changed, the tension wheel 17 ensures that the synchronous belt 13 is always in a tension state, the position of a workpiece is manually adjusted, and grinding and machining of the workpiece can be completed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a machined surface scope adjustable milling machine, includes bottom plate (1), the right side of bottom plate (1) is fixed with stand (2), its characterized in that: a mounting disc (3) is fixed on the left side of the upright post (2), five sliding chutes (3a) which are arranged along the radial direction of the mounting disc (3) are equidistantly distributed on the mounting disc (3), sliding blocks (4) are arranged on the sliding chutes (3a) and driving shafts (5) are arranged on the sliding blocks (4) through bearings, the bottoms of the driving shafts (5) are connected with grinding wheels (6), and the tops of the driving shafts are connected with long rods (7) which are far away from the center of the mounting disc (3) through bearings and are arranged in the oblique upward direction;

a driving ring (8) is supported by the long rod (7) on the driving shaft (5) in the five sliding grooves (3a) together, the driving ring (8) is positioned at the lower side of the long rod (7), a bearing block (9) is fixed on the driving ring (8), the bearing block (9) is connected with a vertically arranged lead screw (10), and the lead screw (10) is connected with a motor (11) fixed on the upright post (2);

synchronous belt wheels (12) are arranged on the driving shaft (5), synchronous belts (13) are arranged on the synchronous belt wheels (12) on the driving shaft (5) in the five sliding chutes (3a), a driving synchronous belt wheel (14) is arranged at the left end of the synchronous belt (13), the driving synchronous belt wheel (14) is connected with a driving motor (15), a tension pulley (17) supported on the synchronous belt (13) is arranged between the driving synchronous pulley (14) and the left synchronous pulley (12), the tensioning wheel (17) is connected with the bottom plate (1), the driving ring (8) comprises an outer ring (81), an inner ring (82) and a connecting rod (83) with two ends respectively connected with the outer ring (81) and the inner ring (82) and positioned at two sides of the long rod (7), and a guide column (16) which is arranged in parallel with the screw rod (10) and is in sliding fit with the bearing block (9) is fixed on the upright column (2).