KR100827710B1 - A grinding apparatus with grinding wheel having home - Google Patents

Abstract

A grinding apparatus is provided to form a space in a grinding unit so as to discharge chips generated during grinding and form a supply hole at a cut portion so as to supply cooling water. A grinding apparatus includes a grinding unit(10) having a conical shape with an apex having a rounded part(12). The bottom surface of the conical shape is joined to a rotating unit(30). The conical shape has a side surface with a part where a groove(14) is formed. The groove has a supply hole(15) for supplying cooling water. The supply hole is connected to a cooling water supply unit(50) through a cooling water pipe arranged in the grinding unit. The part of the grinding unit other than the groove serves as a grinding part(11) for grinding a workpiece.

Description

A grinding apparatus with grinding means having a grooved grinding means {A grinding apparatus with grinding wheel having home}

1 is a side cross-sectional view of a conventional grinding machine.

Figure 2 is a side cross-sectional view of a grinding machine having a grinding means formed groove according to the present invention.

Figure 3 is a perspective view of the grinding means formed groove according to the present invention.

※ Explanation of the main symbols in the drawing.

10: grinding means 11: grinding part

12: round 14: home

15: supply hole

16, 17: curve processing section 18: insertion section

20: grinding means support 22: through hole

30: rotation means 40: reciprocating means

50: cooling water supply means 52: inlet

54: cooling water pipe 56: cooling water

100: vacuum holder 102: through hole

104: suction hole

200: workpiece

The present invention relates to a rotary grinding means for performing the grinding of the surface of the workpiece while rotating in one direction.

In general, there is a growing interest in the development of the modern industrial society and the high-speed, high-precision processing of double products. In particular, in the case of post-treatment such as the grinding process, the final value for product completion determines the value of the product depending on the degree of processing.

Therefore, in order to grind the workpiece such as a glass container, it is important to install the grinding means on the tool post of the grinding machine and to increase the surface precision of the workpiece by cutting the particles through the high speed rotation of the grinding means. Various techniques are known for.

In particular, the conventional technology related to the grinding means, which is a part to be ground in the grinding machine, is well represented in Korean Utility Model Publication No. 1998-040793 "Grinding means of the grinding machine".

The technique shown in the Republic of Korea Utility Model Publication No. 1998-040793 is composed of a sharply sharpened end of the grinding means (1) for high-speed rotation, friction with the surface of the workpiece in accordance with the high-speed rotation of the grinding means Due to the grinding resistance, the particles fall off when they are larger than the bonding force of the binder, and voids and new particles appear on the grinding means, and grinding continues.

The prior art as described above selects and uses the appropriate grinding means according to the material of the workpiece, and supplies the oil for removing the particle droppings (by combining with the dropping material) at regular intervals through the supply hole of the grinding means. However, during the grinding process, the particles falling out of the grinding means are not immediately removed, and thus the supply holes of the grinding means are filled, which causes burning during grinding or when the particles are not removed. Since the means is not functioning properly, a problem arises in which an unprocessed part is generated in the workpiece.

In addition, the prior art has a problem that it is difficult to easily bond with the desorption because there is no space for oil is ejected.

The present invention has been proposed to solve the above problems,

First, an object of the present invention is to form a space in the grinding means of the grinding machine to exit the particle debris.

Secondly, it aims to form a supply hole for supplying cooling water to the incision.

Grinding means having a grinding means formed with a groove of the present invention as described above is rotatably coupled to the rotating means, in the grinding means of the grinding machine for polishing the surface of the workpiece by the grinding action through rotation, rounded at the vertex portion It is formed in the shape of the conical portion formed, the groove is formed in a portion of the outer periphery while maintaining the shape of the round portion, the remaining portion is not provided with grinding means held by the grinding portion for grinding the workpiece It is a characteristic configuration.

Hereinafter, a detailed configuration of the present invention will be described with reference to the accompanying drawings.

Grinding machine (hereinafter referred to as "grinding machine") having a grinding means having a groove formed in accordance with the present invention is basically a vacuum holder 100, grinding means 10, grinding means support 20, rotating means 30 , Cooling water supply means 50, and reciprocating means 40.

The vacuum holder 100 is for fixing the workpiece 200, is formed of a body of a predetermined shape, has a through hole 102 into which the workpiece is inserted, and also a vacuum holder using a separate vacuum pump The suction hole 104 is formed to suck the air inside the vacuum to make a vacuum.

Therefore, the inside of the vacuum holder 100 using the suction hole 104 of the vacuum holder 100 through a separate vacuum pump (not shown) in the state in which the workpiece 200 is inserted into the through hole 102. When the air is sucked in, the workpiece 200 is pulled toward the suction hole 104, and the width of the container of the workpiece 200 is designed to be larger than the diameter of the through hole 102 toward one side, when the workpiece is pulled. Since a certain part is caught by the through hole 102 and the workpiece 200 is fixed to the through hole 102, the workpiece 200 is fixed without shaking during grinding to be described later to facilitate the work.

The workpiece 200 to be ground by the grinding means 10 of the grinding machine of the present invention refers to a glass container in the present invention, it can be applied to any container other than glass.

The grinding means 10 is coupled to the rotating means 30 to be described later, rotates to grind the inner surface of the workpiece 200, preferably the high degree of particle size of the primary grinding machine # 150, 2 In the case of the secondary grinding machine, it is made of # 400, and the material of the particles uses sandstone, quartz, emery, corundum, etc., but in the present invention, diamond is mainly metal bonded. It consists of a grinding wheel.

That is, the grinding means 10 is made of a circular shape of a cone of stone or metal, and is produced by coating the diamond on the outer surface of the cone for cost reduction.

Looking at the shape of the grinding means 10 configured as described above in more detail, the grinding means 10 is a vertex portion which is inserted into the container is rounded round portion 12 is formed, the bottom is the grinding means 10 Insertion portion 18 for engaging with the grinding means support portion 20 for supporting the extension is formed.

The groove 14 is formed on a part of the outer circumference of the grinding means 10 to maintain the shape of the round part, to form a discharge space of the dropping material, and to provide a space in which the coolant 56 is injected.

Here, the remaining portion other than the groove 14 remains the grinding portion 11 which has the shape of the outer periphery of the cone as it is.

The groove width, width, and depth of the groove 14 may vary depending on the user's design, but may be any width, width, and depth having the moving path of the dropping material, the sprayed water of the coolant, and the reflection space to the workpiece 200. It can be seen that it falls within the scope of the present invention.

And the portion that meets the round portion 12 in the groove 14 is formed a curved curved processing portion 16, to prevent the pinch of the falling off from the workpiece 200 when grinding, so that it can flow down naturally In addition, the curved portion 17 is similarly formed in the portion that meets the insertion portion 18, the supply portion 15 is formed in the curved portion 17 of the portion that meets the insertion portion so that the cooling water is injected.

The supply hole 15 has a structure connected to the cooling water pipe 54 of the cooling water supply means 50 to be described later through the cooling water pipe 19 inside the grinding means 10, the cooling water pipe will be described later It is also formed in the interior of the grinding means support unit 20 and the rotation means 30, the supply hole 15 and the cooling water pipe 19 of the grinding means 10 and the cooling water pipe 24 of the grinding means support unit 20 in turn. ), Connected to the cooling water pipe 54 of the cooling water supply means 50 via the cooling water pipe 34 inside the rotating means 30, or the cooling water pipe of the grinding means 10 and the grinding means support portion 20 ( 19 and 24 may be directly connected to the coolant pipe 54 of the coolant supply means 50.

Therefore, when the grinding means 10 is inserted into the workpiece 200, the coolant injected by the supply hole 15 of the groove as described above is reflected on the inner surface of the workpiece 200, and the groove 14 again. In this process, the dropping material and the cooling water by the grinding operation are combined with each other, and the combined space discharges the dropping material efficiently to the outside of the workpiece 200 through the groove 14. It can play a role.

Here, the grinding means support part 20 for supporting and fixing the grinding means 10 is formed with a through hole 22 into which the grinding means insertion part 18 is inserted, and the other side is coupled with the rotation means 30.

The rotating means 30 is made of a conventional motor to rotate the grinding means support portion 20 coupled to the grinding means 10.

As described above, the cooling water supply means 50, through the rotary means 30, the grinding means support 20 and the cooling water pipes 34, 24, 19 formed in the grinding means 10 in turn, grinding means The cooling water 56 is supplied to the supply hole 15 of (10).

Here, the rotation means 30 is further equipped with a reciprocating means 40 such as an air cylinder to enable the grinding means 10 to reciprocating as well as rotational movement.

Referring to the operation of the present invention by the above configuration as follows.

When the grinding means 10 is inserted into the workpiece 200 and at the same time, the cooling water 56 is supplied to the cooling water inlet 52 of the cooling water supply means 50, the cooling water 56 is rotated ( 30), the cooling water is supplied to the supply hole 15 of the grinding means 10 via the grinding means support 20 and the cooling water pipes 34, 24 and 19 of the grinding means 10, and the cooling water is supplied to the workpiece ( It is injected into the inside of the 200, the grinding means 10 is to be rotated by the rotation means (30).

Accordingly, the inner surface of the workpiece 200 is ground by the round portion 12 and the grinding portion 11 of the grinding means 10, the cooling water injected from the supply hole 15 is the inside of the workpiece 200 Reflecting the side and back to the groove 14 of the grinding means 10, the falling off from the surface of the workpiece 200 is combined with the cooling water and agglomerated to form a combination, which is a groove (10) ) Is easily discharged to the outside of the workpiece 200 by utilizing as a discharge space.

In addition, the reciprocating means 40 can facilitate the discharge of the combination of the falling off and the cooling water while reciprocating the inside of the workpiece 200, it is possible to grind the desired portion.

According to the present invention by the above configuration,

First, the grinding means for the grinding process of the present invention is formed in the shape of a cone formed with a round portion rounded one end, the groove is formed in a portion of the outer periphery of the cone while maintaining the shape of one round round portion, grinding The remaining unpaved part of the means is retained by the grinding part for grinding the workpiece,

The grooves have an effect of acting as a discharge space for facilitating the discharge of the combination of the droppings generated during the grinding process and the cooling water supplied separately.

In addition, the cooling water is reflected by the groove on the inner surface of the workpiece to be returned to the grinding means again has the effect of efficiently coupling the cooling water and the falling off.

In addition, since a part of the grinding means is recessed, in the case of the grinding means of the cone, a lot of heat is generated during rotational contact with the surface of the workpiece, but the grinding means of the present invention results in eliminating friction as much as the area of the groove, It has the effect of further eliminating damage to the equipment, fear of fire, and deformation due to heat of the workpiece.

In addition, since the grooves reduce the weight of the grinding means and reduce the material during molding, it is also effective in reducing the manufacturing cost.

Claims (3)

In the grinding means of the grinding machine is rotatably coupled to the rotating means, for grinding the surface of the workpiece by the grinding action through rotation, Rounded portion 12 is formed in the shape of the cone formed on the vertex, the bottom surface of the cone is coupled to the rotating means 30, Part of the side surface of the cone is formed with a recessed groove 14 is maintained in the shape of the round portion, the groove is formed with a supply hole 15 for spraying and supplying coolant, the supply hole is formed in the grinding means A grinding machine characterized in that it is connected to a separate cooling water supply means (50) through a cooling water pipe, and the remaining portion is not provided with a grinding means (10) held by a grinding portion (11) for grinding the workpiece. delete The method of claim 1, Grinding means characterized in that the curved portion (16, 17) is formed in the portion where the groove (14) and the round portion (12) of the grinding means 10 meet each other.

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