CN213858757U - Long shaft grinding double-support positioning device - Google Patents

Abstract

The invention discloses a long shaft grinding double-support positioning device which comprises a bottom plate, a clamping plate, an inclined iron, a positioning seat, a positioning upper frame, a left adjusting plate and a right adjusting plate, wherein the clamping plate is arranged on the bottom plate; the bottom plate is arranged on the guide rail surface of the machine tool through a clamping plate and an inclined iron; left side regulating plate and right regulating plate set up in the bottom plate both sides, and left side regulating plate is equipped with height-adjusting bolt with right regulating plate top, and left side regulating plate is equipped with position control bolt with right regulating plate below, and the positioning seat below is hugged closely through the inclined plane with the bottom plate top, the quantity of positioning seat has two to separately set up on the bottom plate, and two positioning seat tops are equipped with axle one and axle two respectively, location put on the shelf below and bottom plate elastic connection, location put on the shelf top are equipped with axle three, axle one, axle two are triangle-shaped with axle three and arrange. The utility model discloses rational in infrastructure, preparation simple process, cost of manufacture are low, are applicable to horizontal gear grinding machine grinding major axis tooth part, have improved the precision of processing major axis gear and the machining efficiency of long specification part.

Description

Long shaft grinding double-support positioning device

Technical Field

The invention belongs to the technical field of machining dies, and particularly relates to a long shaft grinding double-support positioning device.

Background

With the continuous development of science and technology, the requirements of industrial production on the precision, the surface quality, the service life and the processing efficiency of mechanical parts are continuously improved. Grinding is a common metal processing mode, is widely applied to the field of machining, and can obtain satisfactory dimensional accuracy, shape accuracy and surface quality through grinding. The grinding machining has the characteristics of high precision, high efficiency and the like, and plays an increasingly important role in mechanical machining.

The conventional shaft gear grinding adopts double-top support on a horizontal gear grinding machine, but when a long shaft part exists, the double-top support increases the weight of the part, the dead weight causes inaccurate positioning of the double-top support, and various errors of gear grinding are caused. Therefore, the device for grinding, supporting and positioning the long-shaft gear is designed and is needed for the long-shaft gear on the horizontal gear grinding machine.

Disclosure of Invention

In order to solve the problems, the invention discloses a long shaft grinding double-support positioning device which is reasonable in structure, simple in manufacturing process, low in manufacturing cost and high in grinding precision and is suitable for grinding long shaft tooth parts by a horizontal gear grinding machine.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a long shaft grinding double-support positioning device comprises a base plate, a clamping plate, an inclined iron, a positioning seat, a positioning upper frame, a left adjusting plate and a right adjusting plate; the bottom plate is arranged on the guide rail surface of the machine tool through a clamping plate and an inclined iron; left side regulating plate and right regulating plate set up in the bottom plate both sides, and left side regulating plate and right regulating plate top are equipped with height-adjusting bolt, and left side regulating plate and right regulating plate below are equipped with position control bolt, and the positioning seat below is hugged closely through the inclined plane with the bottom plate top, height-adjusting bolt pushes up in positioning seat one end, position control bolt pushes up in sloping iron one end, the quantity of positioning seat has two separately to set up on the bottom plate, and two positioning seat tops are equipped with axle one and axle two respectively, location put up below and bottom plate elastic connection, and location put up the top and be equipped with axle three, axle one, axle two are the triangle-shaped with axle three and arrange.

As an improvement of the invention, the first shaft is horizontally arranged in a pin hole of the positioning seat, a bearing is arranged on the outer side of the first shaft, a gland is arranged at the front end of the first shaft, and the gland presses the shaft sleeve through a bolt; the second shaft, the third shaft and the first shaft have the same structure.

As an improvement of the invention, the positioning seat is provided with double sleeves with an included angle of 120 degrees to form V-shaped double supports.

As an improvement of the invention, a dustproof felt is arranged between the bearing and the positioning seat.

As an improvement of the invention, the lower part of the positioning upper frame is connected with the bottom plate through a bolt with a spring.

As an improvement of the invention, a guide key is arranged below the positioning seat.

As an improvement of the invention, the positioning upper frame is L-shaped.

The invention has the beneficial effects that:

the double-support grinding positioning device is reasonable in structure, simple in manufacturing process and low in manufacturing cost, and by adopting the double-support grinding positioning device, the precision and the machining efficiency of machining long-shaft gears are improved.

Drawings

Fig. 1 is a schematic structural view of a long-axis grinding double-support positioning device according to the present invention.

Fig. 2 is the horizontal schematic diagram of the positioning seat of the present invention.

List of reference numerals:

1. the device comprises a base plate, 2, a clamping plate, 3, an oblique iron, 4, a positioning seat, 5, a positioning upper frame, 6, a left adjusting plate, 7, a right adjusting plate, 8, a long shaft workpiece, 9, a shaft sleeve, 10, a gland, 11, a dustproof felt, 12, a guide key, 13, a first shaft, 14, a second shaft, 15, a third shaft, 16, a bearing, 17, a height adjusting bolt, 18, a position adjusting bolt, 19 and a bolt with a spring.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in the figure, the long shaft grinding double-support positioning device comprises a base plate 1, a clamping plate 2, an inclined iron 3, a positioning seat 4, a positioning upper frame 5, a left adjusting plate 6 and a right adjusting plate 7; the bottom plate 1 is arranged on the guide rail surface of the machine tool through a clamping plate 2 and an inclined iron 3; left side regulating plate 6 and right regulating plate 7 set up in the bottom plate both sides, and left side regulating plate 6 is equipped with high adjusting bolt 17 with right regulating plate 7 top, and left side regulating plate is equipped with position control bolt 18 with right regulating plate below, and 4 below of positioning seat hug closely through the inclined plane with 1 top of bottom plate, high adjusting bolt 17 tops are in positioning seat one end, position control bolt 18 tops are in 3 one end of sloping iron, the quantity of positioning seat 4 has two to separately set up on bottom plate 1, and two 4 tops of positioning seat are equipped with axle one 13 and axle two 14 respectively, 5 below of location upper rack and bottom plate 1 elastic connection, location upper rack 5 are the L type, and 5 tops of location upper rack are equipped with axle three 15, axle one 13, axle two 14 are the triangular arrangement with axle three 15.

When the grinding device works, firstly, the bolt 19 with the spring is loosened, the long shaft workpiece 8 is placed on the first shaft 13 and the second shaft 14, the height of the first shaft 13 and the second shaft 14 is adjusted by adjusting the height adjusting bolt 17, the position adjusting bolt 18 is adjusted to move the wedge to adjust the positions of the first shaft 13 and the second shaft 14 until the first shaft 13 and the second shaft 14 are well adjusted, the bolt 19 with the spring is screwed, and the third shaft 15 is pressed above the long shaft workpiece 8 (the position of the third shaft 15 is not fixed, but not in the middle, the upper part is mainly pressed, so that the long shaft workpiece 8 is prevented from jumping in the grinding process), and the grinding wheel moves between the first shaft 13 and the third shaft 15 to start grinding.

The first shaft 13 is horizontally arranged in a pin hole of the positioning seat 4, a bearing 16 is arranged on the outer side of the first shaft 13, a gland 10 is arranged at the front end of the first shaft, and the gland presses a shaft sleeve 9 through a bolt; during grinding, the long-axis workpiece 8 and the bearing 16 rotate relatively, and the second shaft 14, the third shaft 15 and the first shaft 13 have the same structure.

The positioning seat 4 is provided with two sleeves with an included angle of 120 degrees to form V-shaped double supports.

According to the invention, the dustproof felt 11 is arranged between the bearing 16 and the positioning seat 2, so that the dustproof effect is good.

The lower part of the positioning upper frame 5 is connected with the bottom plate 1 through a bolt 19 with a spring to form floating pressing positioning.

A guide key 12 is arranged below the positioning seat 4, so that the height can be conveniently adjusted.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.

Claims (7)

1. The utility model provides a long axis grinding double bracing positioner which characterized in that: comprises a bottom plate (1), a clamping plate (2), an inclined iron (3), a positioning seat (4), a positioning upper frame (5), a left adjusting plate (6) and a right adjusting plate (7); the bottom plate (1) is arranged on the guide rail surface of the machine tool through a clamping plate (2) and an inclined iron (3); the left adjusting plate (6) and the right adjusting plate (7) are arranged at two sides of the bottom plate, height adjusting bolts (17) are arranged above the left adjusting plate (6) and the right adjusting plate (7), position adjusting bolts (18) are arranged below the left adjusting plate and the right adjusting plate, the lower part of the positioning seat (4) is clung to the upper part of the bottom plate (1) through an inclined plane, the height adjusting bolt (17) is propped against one end of the positioning seat, the position adjusting bolt (18) is propped against one end of the inclined iron (3), two positioning seats (4) are separately arranged on the bottom plate (1), a first shaft (13) and a second shaft (14) are respectively arranged above the two positioning seats (4), the lower part of the positioning upper frame (5) is elastically connected with the bottom plate (1), a third shaft (15) is arranged above the positioning upper frame (5), the first shaft (13), the second shaft (14) and the third shaft (15) are arranged in a triangular shape.

2. The long shaft grinding double-support positioning device as claimed in claim 1, wherein: the first shaft (13) is horizontally arranged in a pin hole of the positioning seat (4), a bearing (16) is arranged on the outer side of the first shaft (13), a gland (10) is arranged at the front end of the first shaft (13), and the gland (10) presses the shaft sleeve (9) through a bolt; the second shaft (14), the third shaft (15) and the first shaft (13) have the same structure.

3. The long shaft grinding double-support positioning device as claimed in claim 1, wherein: and a double sleeve is arranged on the positioning seat (4) to form an included angle of 120 degrees, so that a V-shaped double support is formed.

4. The long shaft grinding double-support positioning device as claimed in claim 2, wherein: and a dustproof felt (11) is arranged between the bearing (16) and the positioning seat (4).

5. The long shaft grinding double-support positioning device as claimed in claim 1, wherein: the lower part of the positioning upper frame (5) is connected with the bottom plate (1) through a bolt (19) with a spring.

6. The long shaft grinding double-support positioning device as claimed in claim 1, wherein: and a guide key (12) is arranged below the positioning seat (4).

7. The long shaft grinding double-support positioning device as claimed in claim 1, wherein: the positioning upper frame (5) is L-shaped.

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