KR100376813B1 - Device For Grinding The Outside Face Of Grind Stone - Google Patents

Abstract

In a method and apparatus for forming an outer diameter surface of a grinding wheel having a concave outer diameter that grinds the outer diameter surfaces of various machine parts to an outer diameter surface having a convex curvature, and a device therein, a grinding tool for grinding the machining surface of a workpiece to be processed. An angle changing step of the grinding tool fixed at an angle to the predetermined position from the horizontal position of the grinding tool, a rotating step of the grinding wheel mounted to rotate the mounted grinding wheel on the wheel spindle, and a predetermined angle tilted by the angle changing step A reciprocating step of reciprocating the grinding tool in a state, and a transfer step of transferring the workpiece grinding grindstone toward the tool side reciprocated by the reciprocating step.

Therefore, the inconvenience of having to change the grinding tool every time according to the size of the grinding wheel to be processed and the cost of manufacturing or purchasing the grinding tool for each size can be reduced and the clogging of the grinding tool at the same time. The present invention provides a method and apparatus for forming an outer diameter surface of a grinding wheel that can prevent productivity from being delayed due to a phenomenon, thereby improving productivity and achieving efficient work.

Description

Device For Grinding The Outside Face Of Grind Stone}

The present invention relates to an apparatus for forming an outer diameter surface of a grinding wheel, and more particularly, to fix a tool that is to be ground to a work surface of a work grinding wheel by tilting it at a predetermined angle from a horizontal position of the work surface, and fixing the work grinding wheel. The grinding wheel is to be rotated by being mounted on the wheel spindle, and the machining grindstone is transported and processed while reciprocating the tool in a state inclined by a predetermined angle by the angle changing process. Therefore, the grinding tool must be changed every time according to the size of the grinding wheel machining surface. Improve productivity by reducing inconveniences and costs associated with manufacturing or purchasing grinding tools for each size, while preventing work delays due to clogging of grinding tools during operation. To provide an external surface forming apparatus for the grinding wheel that can be made and to achieve efficient work.

In general, in order to process the outer diameter surface of various mechanical parts into an outer diameter surface having a convex curvature, the outer diameter surface of the grinding wheel was formed into a concave curvature, and then the outer diameter surface of the workpiece was ground.

The outer diameter surface forming method of the grinding wheel having the conventional concave outer diameter surface described above will be described in FIG.

First, the worker attaches the working grinding wheel 1 having the convex outer diameter surface having a predetermined diameter to the wheel spindles 2.

Then, the grinding wheel (3) to be processed by the grinding wheel (1) is mounted on the wheel spindle (2) and disposed so as to face the grinding wheel (1).

In addition, after the grinding wheel (1) and the grinding wheel (3) is rotated in the opposite direction to each other, the grinding wheel (3) is gradually transferred to the grinding wheel (1) side as shown in FIG.

Therefore, the grinding wheel 3 is first ground by the 'ga' portion of the grinding wheel 1 as shown in Figure 1 and gradually 'b' by the transfer of the grinding wheel (3) The outer diameter surface of the workpiece grinding grindstone 3 is ground to form a concave shape. As a result, as shown in FIG. 1B, the curvature of the concave shape having the same curvature as the outer diameter surface of the grinding wheel 1 is formed. To lose.

However, the conventional method for forming the outer surface of the grinding wheel is not only inconvenient to produce a separate grinding wheel (1) in order to process the grinding wheel (3), but also grinding grinding ( A clogging phenomenon occurred on the outer diameter surface of 1), which lowered the grinding efficiency, resulting in a delay in working time.

In addition, the expenditure for manufacturing the grinding wheel (1) or the expense of the expenses required to purchase acts as a factor to increase the production cost and molding the curvature desired by the worker to the grinding wheel (3) In order to replace the grinding wheel (1) every time there was an uncomfortable problem.

The present invention has been made in view of this point, the tool to grind the machining surface of the grinding wheel to be fixed by tilting at a predetermined angle from the horizontal position of the machining surface, the workpiece grinding wheel is mounted on the wheel spindle to rotate Since the grinding wheel is transported and processed while reciprocating the tool in a state inclined by a predetermined angle by the angle changing process, it is inconvenient to replace the grinding tool every time according to the size of the grinding wheel processing surface. In addition to reducing the cost of manufacturing or purchasing a grinding tool suitable for the work, it is possible to improve productivity by preventing the delay of work due to the clogging of the grinding tool during work and to improve productivity. Serves the purpose of achieving this.

An object of the present invention, the rotation panel is coupled to the front surface of the support body which is fixed to the upper surface of the block coupled to the slide table of the bed, respectively inserted into the fixing hole of the bracket coupled to both ends of the rotation panel and the outside of the support bracket The first and second guide rods, which are protruded into the first and second guide rods, which are fastened and fixed by the fixing nut, and the guide members are inserted into the guide holes at predetermined distances from the first and second guide rods, respectively. Is coupled to the upper bolt, the lower closing member is coupled to the inner lower portion of the upper closing member with a bolt, the inner side of the transfer member is provided with a predetermined receiving space to reciprocate to the left and right, and the upper finish A grinding tool inserted into a coupling hole of a tool post attached to a seating groove in the center of the upper surface of the member, and coupled to be adjusted in length by an adjustment screw; Reciprocating means for conveying member for reciprocating the tool from side to side, and means for changing the conveying angle of the rotating panel for tilting the rotating panel at a predetermined angle so that the grinding tool can reciprocate with a predetermined inclination. It is achieved by providing an outer diameter surface forming apparatus of a grinding wheel.

1 is a schematic view showing an outer diameter surface forming method of a conventional grinding wheel.

Figure 2 is a side cross-sectional view showing the structure of the outer diameter surface forming apparatus of the present invention grinding wheel.

Figure 3 is a plan view showing the structure of the outer diameter surface forming apparatus of the present invention grinding wheel

Figure 4 is a front sectional view showing the structure of the outer diameter surface forming apparatus of the present invention grinding wheel.

Figure 5 is a rear view showing the structure of the outer diameter surface forming apparatus of the present invention grinding wheel.

Fig. 6 is a diagram showing a reciprocating feed trajectory of a grinding tool and a grinding tool of the present invention.

7 is a view showing a shanghai conveying state according to the reciprocating transfer of the grinding tool of the present invention.

Explanation of Drawings

101-working grinding wheel 102-grinding tool 103-wheel spindle

104-bed 105-slide table 106-support body

107-Rotating panel 108-Bracket 109-Fixed

110-Thread 111-First fixing nut 112,113-First and second guide rod

114-guiding member 115-guiding member 116,117-upper and lower finishing member

118-Hydraulic chamber 120-Transport member 121-Receiving groove

122-tool set 123-binding ball 124-adjusting screw

125-Euro 126-Extension 127-Euro

128-Division Disc 129-Roller 130-Secondary Lock Nut

131-Rotating shaft 132,133-1st, 2nd pin hole 134-Locking pin

135-Screw 136-Screw Bolt 137-Screw

Hereinafter, the configuration of the present invention will be described in Figures 1 to 4 as follows.

The configuration of the present invention, the rotation panel 107 is coupled to the front surface of the support body 106 is fixed to the slide table 105 of the bed 104, and the brackets coupled to both ends of the rotation panel 107 ( The first and second guide rods 112 (112) inserted into the fixing holes 109 of the 108 and protruding outwardly of the support bracket 108 are fastened and fastened by the first fixing nut 111. 113 and the pair of guide members 114 are spaced a predetermined distance to insert the first and second guide rods 112 and 113 into the guide holes 115, respectively, and to the inner upper portion of the guide member 114. The upper closing member 116 is coupled to the bolt, the lower closing member 117 is bolted to the inner bottom of the upper closing member 116 to the upper portion of the second guide rod, the predetermined hydraulic chamber 118 inside Is provided is coupled to the transfer member 120 to reciprocate to the left and right, and the tool post 122 attached to the seating groove 121 in the center of the upper surface of the upper closing member 116 A reciprocating means of the grinding tool 102 inserted into the 123 and coupled to adjust the length by the adjustment screw 124, and a transfer member 120 for reciprocating the grinding tool 102 from side to side; In addition, the grinding tool 102 includes a transfer angle changing means of the rotating panel 107 to incline the rotating panel 107 by a predetermined angle in order to be able to reciprocate with a predetermined inclination.

In addition, the reciprocating transfer means of the transfer member 120 is formed in each of the expansion grooves 126 inside the guide hole 115 from the upper passage hole 125 of the both side guide member 114, the hydraulic generator (not shown) Splitting is inserted into the flow path 127 to transfer the hydraulic pressure generated from the hydraulic pressure to the hydraulic chamber 118 and the first guide rod 112 inside the hydraulic chamber 118 to divide the hydraulic chamber 118. A disk 128 is provided.

In addition, the conveying angle changing means of the pivot panel 107 is inserted into the first coupling hole 123 of the upper portion of the support body 106 and the pivot hole 129 formed in the upper portion of the pivot panel 107 to support the support body 106. Rotating shaft 131, one end of which protrudes into the rear surface of the second fixing nut 130, and the first pin hole 132 of the upper portion of the rotating panel 107 and the second pin hole of the rotating shaft 131 133 through a fixing pin 134 for fixing the rotation panel 107 and the rotation shaft 131, and a long hole having a fan-shaped shape having a predetermined diameter formed in the lower portion of the support body 106 ( 135 and a fixing screw hole 137 formed in the rotation panel 107 so that the fixing bolt 136 inserted into the long hole 135 is fastened.

The technique of the present invention having the above configuration will be described with reference to FIGS. 2 to 7 as follows.

First, a slide table 105 that can be moved back and forth is coupled to an upper portion of the bed 104, and a 'b' shaped support body 106 is bolted to the upper portion of the slide table 105 to be combined with the slide table 105. It is configured to transfer back and forth.

In addition, the rotation panel 107 is coupled to the front surface of the support body 106, and the rotation shaft 131 is inserted into the rotation hole 129 of the rotation panel 107 to form the support body 106. After passing through the first coupling hole 123, the second fixing nut 130 is fastened to the screw formed at the end thereof. In addition, the fixing pin 134 is inserted into the first pin hole 132 formed in the upper portion of the rotation hole 129 and the second pin hole 133 formed in the rotation shaft 131 as shown in FIG. 2. Then, the fixing bolt 136 is inserted into the long hole 135 of the supporting body 106 and fastened to the fixing screw hole 137 of the rotating panel 107 so that the rotating panel 107 is supported by the supporting body 106. Secure it.

The transfer member 120 is coupled to the front side of the rotation panel 107 fixed to the supporting body 106 to be transported from side to side, and the transfer member 120 has a six-sided surface so that a predetermined space is formed on the inner surface thereof. The bolts are coupled to each other, and each coupling part of the transfer member and the guide hole 115 respectively have a sealing member therein so that the hydraulic chamber 118 is sealed.

Guide members 114 coupled to the left and right sides of the transfer member 120 are formed with guide holes 115 having a predetermined diameter up and down, and the first and second guide rods 112 are formed as the guide holes 115. Insert (113) respectively.

At this time, the partition disk 128 is fixedly coupled to a predetermined position of the first guide rod 112 to be accommodated in the hydraulic chamber 118 in the transfer member, and the outer diameter surface of the partition disk 128 is also inserted into the sealing member. It installs in the structure which adheres to the inner wall of the hydraulic chamber 118.

In addition, the bracket 108 is fixed to the left and right ends of the rotation panel 107 by bolts, and then both ends of the first and second guide rods 112 and 113 to which the transfer member 120 is coupled are fixed to the bracket 108. The first fixing nut 111 is fastened to the screw 110 of the terminal by inserting the fixing hole 109 into the fixing hole 109 so that the transfer member 120 is coupled to the rotation panel 107.

Referring to the outer diameter surface forming process of the grinding wheel by the outer diameter surface forming apparatus of the present invention grinding wheel consisting of the above configuration.

First, the operator should be preceded by changing the angle of the rotation panel 107 to an angle corresponding to the radius of curvature to be formed on the outer diameter surface of the grinding wheel 101, for the curvature having the predetermined radius For example, the angle to be changed is as follows.

The convex curvature of the convex outer surface of the machined part to be machined and the concave curvature of the grinding wheel outer surface to be machined should be the same.To form a curvature of radius 500mm on the outer surface of the machined part, turn the rotating panel 107 3。12'32.4 And tilting the rotating panel 107 to 1 .30 '' 5.49 'to form a curvature with a radius of 1000 mm, said angle obtained empirically.

Curvatures having other radii may form curvatures having a predetermined radius on the grinding wheel 101 by tilting the rotation panel 107 at a corresponding angle.

Here, the technique of the present invention will be described with an example of forming a curvature having a radius of 500 mm on the outer diameter surface of the workpiece grinding wheel 101.

First, when the tilting panel 107 is to be inclined at the angle (3.12'32.4 '') already measured as described above, the second fixing nut 130 is slightly loosened to rotate the pivoting panel (131). The fixing bolt 136 is disassembled from the fixing screw hole 137 of the rotating panel 107.

Then, the fixing bolt 136 is fastened to the fixing screw hole 137 in a state where the rotation panel 107 is inclined at 3 .12'32.4 ''.

At this time, the fixing screw hole 137 is a fan-shaped long hole 135 formed in the support body 106, as shown in Figure 5 is a fan of the circular arc around the rotating shaft 131, which rotation panel ( 107 is rotated at any angle is to be able to fasten the fixing screw hole 137 of the rotation panel 107 in the long hole 135 at all times.

After changing the angle of the rotating panel 107 to 3。12'32.4 '' as described above, the grinding surface 102 of the grinding wheel 101 mounted on the wheel spindle 103 as shown in FIG. ) To the front.

In addition, the wheel spindle 103 is rotated to rotate the grinding wheel 101, and the grinding tool 102 is reciprocated to the left and right, and the left and right reciprocating means of the grinding tool 102 are shown in FIG. As shown, the hydraulic pressure is supplied to the one side hydraulic chamber 118 through the passage hole 125 and the passage 127 of the one side guide member 114 so that the one side hydraulic chamber 118 can be expanded.

Therefore, the conveying member 120 is conveyed as shown in FIG. 4 toward one side with respect to the divided disc 128 as one side hydraulic chamber 118 is expanded, and after a predetermined distance, the hydraulic pressure flows to the other side flow hole 125. As the supplying member 120 is supplied to the other hydraulic chamber 118 through the flow passage 127, the conveying member 120 is transferred to the other side.

As such, the conveying member 120 is supplied with alternating hydraulic pressure to the one side hydraulic chamber 118 and the other side hydraulic chamber 118 so that the guide hole 115 and the first and second guide rods 112 of the guide member 114 are provided. Guided by 113 is to be transferred to the left and right.

As described above, the grinding tool 102 is transferred to the left and right in accordance with the left and right transport in a state in which the transfer member 120 is inclined at a predetermined angle (3 .12'32.4 '') and the workpiece is ground to the grinding tool 102. When the grindstone 101 rotates and advances at a predetermined speed, as shown in FIG. 6, the center portion of the grinding grindstone 101 is first polished in contact with the grinding tool 102 to be processed. ) Advances by a predetermined length, the outer diameter surface of the grinding wheel 101 is molded to a radius of curvature (500 mm) desired by the operator.

That is, the highest point of the grinding wheel 101 is the portion (c) in contact with the horizontal line from the center point and when the grinding tool 102 is left and right reciprocating in a state not tilted at a predetermined angle is shown in FIG. Since the c portion is horizontally reciprocated, the outer surface of the grinding wheel 101 is ground a, b, c, d, and e while grinding, while the grinding tool 102 is inclined at a predetermined angle. When the movement is performed, as shown in FIG. 6, the grinding tool 102 moves in a linear motion and moves from the initial position (A) to the last position (B) as shown in FIG. First, the c part of the grinding wheel 101 is contacted and ground first, and the grinding wheel 101 is advanced toward the grinding tool 102, so that the b, c, d parts a, b, c, d and e are ground.

Therefore, the c portion that is first contacted and ground to the grinding tool 102 starts to be polished by the grinding tool 102 from the beginning, and when the grinding wheel 101 is completely advanced toward the grinding tool 102 and stopped. Since grinding is the most, the amount of polishing is the highest, and the b and d parts are relatively less polished, and the remaining a and e parts are polished the least, so that the amount of grinding on the outer surface of the grinding wheel 101 is c <b, d <a, The grinding tool 102 reciprocating at a predetermined inclination has a polishing amount of e order, thereby forming a curvature having a predetermined radius on the outer diameter surface of the rotating grinding wheel 101 as shown in FIG. will be.

As described above, the present invention not only can reduce the time and cost required by manufacturing or purchasing a separate grinding wheel, but also freely adjusts the tilt of the rotating panel to be molded on the outer surface of the grinding wheel. It is an excellent invention that allows the curvature to be adjusted freely while improving the work efficiency to reduce the cost and increase the productivity.

Claims (4)

delete In the outer diameter surface forming apparatus of the grinding wheel having a concave outer diameter surface for grinding the outer diameter surface of various machine parts to the outer diameter surface having a convex curvature, A rotation panel coupled to the front surface of the support body, which is fixed to the upper part of the block coupled to the slide table of the bed, First and second guide rods respectively inserted into fixing holes of the brackets coupled to both ends of the rotation panel, and the screw parts protruding outward of the support bracket are fastened and fixed by the fixing nuts; Guide members are inserted into the guide holes by a predetermined distance from the first and second guide rods, and the upper finishing member is coupled to the upper portion of the guide member by bolts, and the lower finishing member is connected to the upper portion of the upper finishing member. A transfer member coupled to the inner lower part with a bolt and provided with a predetermined accommodation space to reciprocate to the left and right sides; A grinding tool inserted into a coupling hole of a tool stand attached to a seating groove in a center of an upper surface of the upper finishing member, the grinding tool coupled to be adjustable in length by an adjustment screw; Reciprocating means for conveying member for reciprocating the grinding tool from side to side; Apparatus for forming the outer diameter surface of the grinding wheel, characterized in that it comprises a means for changing the feed angle of the rotating panel to tilt the rotating panel to a predetermined angle so that the grinding tool can be reciprocated with a predetermined inclination. The method of claim 2, Reciprocating transfer means of the transfer member is formed in each of the expansion grooves in the guide hole from the upper flow path of the both side guide member and the flow path to transfer the hydraulic pressure generated from the hydraulic generating device to the receiving space, Apparatus for forming an outer diameter of a grinding wheel, characterized in that it is inserted into the first guide rod inside the accommodation space and provided as a partitioning disc to divide the accommodation space. The method of claim 2, The conveying angle changing means of the rotating panel is inserted into the first coupling hole in the upper portion of the support body and the rotating hole formed in the upper portion of the rotation panel and the rotating shaft to which one end protruding to the back of the support body is fastened with a fixing nut; A fixing pin penetrating through the first pin hole and the second pin hole of the rotating shaft to fix the rotating panel and the rotating shaft; A long hole having a fan-shaped shape having a predetermined diameter formed in a lower portion of the support body, Apparatus for forming the outer diameter surface of the grinding wheel, characterized in that provided with a fixing screw hole formed in the rotating panel so that the fixing bolt is inserted into the long hole.