KR101701643B1

KR101701643B1 - Surface finishing device for percussion

Info

Publication number: KR101701643B1
Application number: KR1020150146789A
Authority: KR
Inventors: 백윤근
Original assignee: 백윤근
Priority date: 2015-10-21
Filing date: 2015-10-21
Publication date: 2017-02-13

Abstract

The present invention relates to a percussion surface finishing apparatus which mechanically finishes the surface of a drum body to maximize work efficiency, to keep an excellent quality, to increase productivity, and to make the work pleasant and safe, comprising: a frame which comprises: a base which comes in contact with the ground surface; a driving keeper which protrudes from the right side of the base upwards and which keeps a driving means; and a body keeper which is placed on a side of the driving keeper to keep the drum body and which the drum body is attached to or detached from; a finishing unit which comprises: a cutting means which evenly cuts the surface of the drum body by coming in contact with the surface; a grinding means which smoothly processes the surface of the drum body, which is cut by the cutting means; and an operating means which is placed on one side of the base, which moves the cutting means and the grinding means to the left and the right of the drum body to fit the curvature of the drum body, and which smoothly processes the surface of the drum body; and a driving means which is installed on the driving keeper and which is needed for the operation of the finishing unit.

Description

[0001] SURFACE FINISHING DEVICE FOR PERCUSSION [0002]

The present invention relates to a percussion surface finishing apparatus, and more particularly, to a new type of finishing apparatus for smoothly finishing a surface of a percussion instrument body (northern body) made by connecting several pieces of wood to a desired shape .

There are various types of percussion instruments, but in the case of the drum, it is completed by attaching and fixing a sounding plate made of leather on both sides of the drum body made of wood.

The diameter of the center of the drum is larger than the diameter of both ends of the drum to which the drum is attached. Thus, the drum body is formed into a cylindrical drum body having a protruding central portion. The drum body is conventionally made of logs, Since it is difficult to obtain a large-diameter log, many pieces of wood are processed into arcs and then joined together to form a cylindrical drum body with a protruding central portion.

The north body made in this way can smooth the surface and express various patterns, thus completing the drum. Traditionally, the operation of finishing the surface of the drum body is manually performed, and the surface of the drum body is closed There is no separate apparatus or processing machine for processing.

Utility Model Application No. 20 - 1990 - 0003518 Patent No. 10 - 1319049 - 0000

In the above conventional arts, there has been no development of a dedicated machine and apparatus for machining the north body, so that the work of making the north body by attaching the pieces of wood together and smoothly making the surface of the north body depend on the manual work It is true.

In other words, the surface of the drum body is manually operated by a tool such as a planter or a motorized planter to closely contact the surface of the drum body or smooth the rubbed surface. In this process, a lot of dust is generated Not only does it pollute the workplace, it also causes difficulty in breathing the worker and causes the abnormality of the muscle skeletal system.

In addition, in the course of working with a tool, safety accidents are often caused by damage of the worker's body due to a phenomenon such as collision with a tool or a drum body, Since it depends on the senses, it is difficult to keep the uniform quality constantly.

In particular, in the case of the beginner, the result is different from the curvature of the north body, and the production efficiency is not high because the curvature is not uniform and the deflection occurs in one direction.

In the above conventional art, since the machining of the drum body is dependent on manual work, it is impossible to maintain a uniform and excellent quality, and it is difficult to maintain a pleasant working environment, resulting in physical damage and abnormality of the worker, It is difficult to meet the demand and the competitiveness is weak due to excessive production cost increase.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a driving device, A frame body having a body holding the body so as to attach and detach the body to the body while holding the body for closing; A cutting means for uniformly cutting out the surface of the drum body in a state of being connected to a surface of the drum body; a polishing means for smoothly machining the surface of the drum body cut by the cutting means; A finishing part for smoothly machining the surface of the drum body by mounting a moving means for moving the drum body in the left and right directions of the drum body to fit the curvature; And driving means provided on the drive sustaining table and required for operation of the finishing portion;

It is possible to accomplish the purpose of making the surface finish of the drum body mechanically and maximizing the working efficiency while maintaining the excellent quality and improving the productivity while enabling a pleasant and safe work.

The present invention enables the machining of the surface of the drum body to be performed mechanically so that it is possible to maintain a pleasant working environment while solving the shortage of hands and hands, and it has the effect of eliminating the concern of safety accidents.

Since the drum body is machined mechanically, it is possible to greatly reduce the work time and cost, thereby lowering the production cost, thereby enhancing the external competitiveness and maintaining the excellent uniform quality, thereby enhancing the external competitiveness. Invent.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front perspective view of a percussive surface finishing apparatus to which the teachings of the present invention are applied; FIG.
FIG. 2 is a plan view of a percussive surface finishing apparatus to which the technique of the present invention is applied; FIG.
FIG. 3 is a perspective view illustrating an end portion of a percussion surface finishing apparatus to which the technique of the present invention is applied. FIG.
FIG. 4 is a schematic view showing a moving means of a finishing unit for a percussive instrument surface finishing apparatus to which the technique of the present invention is applied; FIG.
Fig. 5 is a schematic view showing a cutting means of a finishing portion for a percussive instrument surface finishing apparatus to which the technique of the present invention is applied.
6 is a schematic view showing a polishing means of a finishing portion for a percussive instrument surface finishing apparatus to which the technique of the present invention is applied.
FIG. 7 is a schematic view of driving means of a percussion surface finishing apparatus to which the technique of the present invention is applied; FIG.
FIG. 8 is a view showing a percussion instrument mounting means of a percussion surface finishing apparatus to which the technique of the present invention is applied. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a front surface state showing a percussion surface finishing apparatus to which the technique of the present invention is applied, FIG. 2 is a plan view of a percussive surface finishing apparatus to which the technique of the present invention is applied, FIG. 5 is a perspective view showing a percussion surface of a percussion instrument to which the technique of the present invention is applied. FIG. 5 is a perspective view of the percussion surface finishing apparatus of FIG. FIG. 6 is a schematic view illustrating a polishing unit of a finishing unit for a percussive surface finishing apparatus to which the technique of the present invention is applied. FIG. 7 is a perspective view of a percussive surface finishing apparatus FIG. 8 is a schematic view illustrating a percussion instrument mounting means of a percussion surface finishing apparatus to which the technique of the present invention is applied. FIG.

A percussive surface finishing apparatus 100 according to the present invention includes a base 101 connected to a ground surface, a drive supporter 102 protruding upward from the right side of the base 101 and holding driving means, And a body holding base 106 provided at a side of the drive sustaining stand 102 to detach the northern body 105 while holding a drum body 105 as a percussion instrument to be closed Respectively.

And a finishing portion 130 for smoothly machining the surface of the drum body 105 mounted on one side of the base 101 constituting the frame 110. The driving support 102 is provided with a finishing portion 130 The driving means 200 is provided for the operation of the vehicle.

The finishing unit 130 includes a cutting means 131 for uniformly cutting the surface of the drum body in a state of being connected to the surface of the drum body 105, 105 for moving the cutting tool 131 and the grinding means 150 in the left and right directions of the north body 105 in accordance with the curvature of the north body 105, (170).

The cutting means 131 includes a substantially rectangular cutting body 133 having a handle 132 protruding rearward and a cutting body 133 is provided at an upper portion of the cutting body 133 in the direction of the body- A cutting slider 134 is mounted.

A cutting motor 137 having a cutter 136 mounted on the front of the driving shaft is installed on the cutting slider 134 so that the surface of the drum body 105 can be cut and cut by the cutter 136.

The grinding means 150 is provided with a grinding bracket 151 protruding from the side of the cutting body 133 on the right side of the cutting body 133 The abrasive slider 153 can be moved forward and backward.

Above the polishing slider 153, a polishing motor 154 is provided in a direction perpendicular to the polishing slider 153. A roller bracket (not shown) protrudes above the polishing slider 153 at the front of the polishing motor 154 155 are installed.

A driving roller 156 is mounted on the shaft of the polishing motor 154 and driven rollers 157 and 158 are mounted on the lower and upper sides of the roller bracket 155 to connect the belt type polishing pad 159, And the body 105 are connected to each other so that they can be smoothly polished.

The driven roller 159 provided on the upper side of the roller bracket 155 is adjusted to adjust the tension of the polishing pad 159 freely by adjusting the height and the height by a conventional height adjusting means.

The cutting slider 134 and the polishing slider 153 are formed by a fixed bed 160 fixed to the cutting body 133 and the polishing bracket 151 and a movable slidably coupled to the upper portion of the fixed bed 160. [ A control shaft 163 which is supported on the front and rear sides of the fixed bed 160 and which has a control handle 162 and a control shaft 163 which is connected to the control shaft 163 and the movable bed 161, And the movable bed 161 can be moved forward and backward with respect to the fixed bed 160 by forward and reverse rotation of the adjustment hand 162. Therefore, It is omitted.

The movable unit 170 is disposed above the base 101 in such a manner as to coincide with the center of the drum body 105 which is moved in the left and right direction and in the forward and backward directions by a conventional moving means such as a ball screw or a slider A movable base 171 is provided.

And a cantilever 173 coupled to the hinge 172 and protruding rearward to fix the cutting body 133 to the rear of the movable base 171. The entire finishing unit 130 is connected to the left , So that it can move in the right direction.

An arc-shaped rack gear 174 having a roundness equal to the curvature of the north body 105 is fixed to the rear of the movable base 171, and the rack gear 174 is provided on the right lower side of the cutting body 133 So that the movement can be selected by the mover 175.

The mover 175 has a movable guide 177 coupled to a fixed guide 176 fixed to the outer wall surface of the cutting body 133 and a movable motor 178 mounted on the front of the movable guide 177 So that power is transmitted to the transmission 179 which is mounted in front of the movable guide 177.

A pinion 180 is mounted on the output shaft protruding downward from the transmission 179 so that the pinion 180 is engaged with the rack gear 174 so that the cantilever 173 can be reciprocated along the rack gear 174 by the rotation of the pinion 180 And the movable guide 177 is connected to the selection lever 181 hinged to the cutting body 133 to selectively engage the pinion 180 and the rack gear 174 by the upward and downward movement of the selection lever 181 So that the selection lever 181 can select whether to continue the engaged state of the pinion 180 and the rack gear 174 by seating and releasing the stopper 182 provided on the cutting body 133 .

The driving means 200 includes a low speed motor 201 provided below the drive supporter 102 and a high speed motor 202 having a relatively higher speed than the low speed motor 201, The motor 201 and the high-speed motor 202 transmit power to the drive shaft 203 provided at the center of the drive supporter 102 through pulleys, belts, or power transmission means such as chain gears and chain combinations.

The drive shaft 203 is provided with a conventional clutch 204 so as to be able to select a high speed and a low speed and the drive shaft 203 is installed to cross the center portion of the body support table 106 in the lateral direction, 105 to be attached to the body holding shaft 205 to rotate the north body 105.

A disk-type fixing wheel 206 is provided at an inner position (drive shaft direction) of the body-holding shaft 205 so as to engage with an inner inner-diameter portion of the body 105, At the outer end thereof, the movable wheel 207, which can engage with the outer inner diameter portion of the drum body 105, can be held by the interlocking means 208.

The center of the outer end of the body holding shaft 205 is hinged to the outer side of the base 101 to be pivotally opened and closed forward of the body holding base 106 and coupled to the upper portion of the body holding base 106 by intermittent means, And can be stably held by a holding chuck 211 installed at the center of the pivoting table 210 which enables the mounting and dismounting of the pivoting member 105.

It will be appreciated that the pivot 210 may further include a stopper or a support 212 to provide ease of opening and closing the pivot.

The state of use of the percussion surface finishing apparatus 100 to which the technique of the present invention is applied will be described below.

The drum body 105 is moved to the body holding shaft 205 by rotating the pivoting table 210 from the body holding table 106 and opening the outer side of the body holding table 106. [ Lt; / RTI >

After the body 105 is coupled to the body-holding shaft 205, the both sides of the body 105 are locked using the fixed wheel 206 and the moving wheel 207, And at the same time, the holding chuck 211 provided on the pivot 210 is engaged with the center of the outer end of the body holding shaft 205 to stably maintain the body holding shaft 205.

When the coupling of the drum body 105 with the body holding shaft 205 is completed, the cutting means 132 and the polishing means 150 constituting the finishing unit 130 are moved and adjusted in the direction of the drum body 105 Finish (cut or polish) to adjust to the dimensions you want.

In this state, the low-speed motor 201 or the high-speed motor 202 of the drive means 200 is selected and the clutch 204 is operated to rotate the drive shaft 203 so that the power of the drive shaft 203 is transmitted to the body- (205) to rotate the north body (105).

The cutting motor 137 constituting the cutting means 131 of the finishing unit 130 and the grinding motor 154 constituting the grinding means 150 are operated so that the cutter 136 and the polishing pad 159 are rotated And the cantilever 173 reciprocates in the left and right directions of the drum body 105 with respect to the movable base 171 by activating the movable means 170. [

The cutter 136 and the polishing pad 159 are connected to the surface of the drum body 105 to be cut and polished to smoothly finish the surface. The cantilever 173 And the cutter 136 and the polishing pad 159 can be freely adjusted in terms of the extent to which the cutter 136 and the polishing pad 159 are connected to the north body 105.

It is also possible to perform an operation in which the operation control of the finishing unit 130 and the driving means 200 is controlled by information input or information inputted through a separate controller and the cutting means 131 and the polishing means 150 and the movement of the movable unit 170 can be reciprocated forward, backward, leftward, and rightward using a limit switch or a proximity sensor, so that a detailed description thereof will be omitted.

The adjustment of the degree of proximity and separation of the cutting means 131 and the polishing means 150 with respect to the north body 105 may be made close to the direction of the north body 105 using the cutting slider 134 and the polishing slider 154 It is obvious that the degree of finishing can be adjusted by making the distance from the center of the circle to the center of the circle.

The finishing portion 130 can reciprocate in the left and right directions of the drum body 105 when the movable motor 178 of the moving means 170 operates to move the pinion 180 in the forward and reverse directions, The cantilever 173 moves in a circular arc from the hinge 172 of the movable base 171 since the cantilever 173 is engaged with the rack gear 174 fixed to the rear of the movable base 171. [

Since the cutting unit 131 and the polishing unit 150 constituting the finishing unit 130 are mounted on the cantilever 173, the finishing unit 130 reciprocates to the left and right sides of the north body 105, 105 can be smoothly finished.

As described above, the present invention has the advantages of mechanically performing the surface finishing of the drum body to maximize work efficiency while maintaining excellent quality, improving productivity, and enabling a pleasant and safe work.

100; A percussion surface finishing device 110; frame
130; Closure 131; Cutting means
133; Cutting body 136; cutter
137; A cutting motor 150; Abrasive means
154; A polishing motor 159; Abrasive pad
170; Movable means 171; The movable base
173; Cantilever 174; Racks
175; Mover 78; Movable motor
180; Pinion 200; Driving means
201; Low speed motor 201; High-speed motor
203; Drive shaft 205; Body holding axis
206; A fixed wheel 207; Movable wheel
210; Pivot table 211; Retaining chuck

Claims

A drive support member 102 protruding upward from the right side of the base 101 to hold the drive means and a support member 102 provided at a side of the drive support member 102 for closing the base 101, And a body holding base (106) for holding the body (105) and attaching / detaching the body (105);
A cutting means 131 for uniformly cutting the surface in a state of being connected to the surface of the drum body 105 and a cutting means 131 for smoothly machining the surface of the drum body 105 cut by the cutting means 131 The moving means 170 for moving the grinding means 150 and the cutting means 131 and the grinding means 150 in the left and right directions of the north body 105 in accordance with the curvature of the north body 105, A finishing unit 130 mounted on one side to smoothly process the surface of the drum body 105;
And a drive means (200) provided on the drive supporter (102) and necessary for operation of the finishing portion (130);
The polishing means 150 includes a polishing bracket 151 which is fixed to the side of the cutting body 133 so as to protrude therefrom;
A polishing slider 153 mounted on the polishing bracket 151 so as to be able to move forward and backward in the direction of the body support table 106;
A polishing motor 154 installed above the polishing slider 153 in a direction perpendicular to the polishing slider 153;
A roller bracket 155 protruding above the polishing slider 153 in front of the polishing motor 154;
A driving roller 156 mounted on the shaft of the polishing motor 154 and driven rollers 157 and 158 mounted on the lower side and the upper side of the roller bracket 155 and the driving roller 156 and the driven rollers 157 and 158, And a polishing pad (159) of a belt type which is connected to the surface of the drum body (105) to smoothly polish the surface of the drum body (105).

delete

The method of claim 1, further comprising:
The movable unit 170 includes a movable base 171 provided above the base 101 so as to be movable in the left and right directions and in the forward and backward directions so as to coincide with the center of the drum body 105;
The cutting body 133 is fixed to the rear of the hinge 172 so as to move the entire hinge 130 in the left and right direction of the drum body 105 A cantilever 173 which allows the cantilever 173 to be rotated;
A rack-shaped rack gear 174 fixed to the rear of the movable base 171 so as to have a roundness equal to the curvature of the drum body 105;
And a mover (175) installed on the lower right side of the cutting body (133) to select the reciprocation of the cantilever (173).

The method of claim 1, further comprising:
The driving means 200 includes a low speed motor 201 provided below the drive supporter 102 and a high speed motor 202 installed at a relatively high speed as compared with the low speed motor 201;
A drive shaft 203 installed at a central portion of the drive supporter 102 and receiving the power of the low speed motor 201 and the high speed motor 202;
A clutch 204 installed on the drive shaft 203 for selecting a high speed and a low speed;
The drive shaft 203
A body holding shaft 205 provided to cross the center portion of the body holding member 106 in a transverse direction and connected to the driving shaft 203 to rotate the body 105;
A fixing wheel 206 provided at an inner position of the body holding shaft 205 and coupled with an inner inner diameter portion of the drum body 105;
A movable wheel 207 provided at an outer end of the body holding shaft 205 and coupled with an outer inner diameter portion of the drum body 105;
A pivot table 210 which is hinged to the outside of the base 101 to be pivotally opened and closed forward of the body pivot stand 106 and coupled with the upper portion of the body pivot stand 106, )Wow;
And a holding chuck (211) installed at the center of the pivot (210) for holding the center of the outer end of the body holding shaft (205).

5. The method of claim 4,
The mover 175 includes a movable guide 177 coupled to a fixed guide 176 fixed to an outer wall surface of the cutting body 133;
A movable motor 178 which is mounted in front of the movable guide 177 and transmits power to the transmission 179 mounted in front of the movable guide 177;
A pinion 180 mounted on an output shaft protruding downward from the transmission 179 and engaged with the rack gear 174 to reciprocate the cantilever 173;
The movable guide 177
A selection lever 181 hinged to the cutting body 133 and connected to the movable guide 177 to select engagement of the pinion 180 and the rack gear 174 by up and down movement;
And a stopper 182 disposed on the cutting body 133 for selecting whether the pinion 180 and the rack gear 174 are continuously engaged with each other by seated and released of the selection lever 181. [ Percussion surface finishing device.