KR102163246B1 - Cylinder Transfer Device for Double Tilting Electric Furnace - Google Patents

Abstract

The present invention relates to a cylinder transfer device for a double tilting electric furnace, which rotates a furnace body in a double tilting method to prevent overload due to a rotational operation, thereby being stable; has a first buffer spring mounted on a lower part of a base part, thereby smoothly transferring the furnace body while buffering the load transmitted to a first transfer roller; allows a second transfer roller, fixed to maintain a predetermined height with respect to the first transfer roller, to rotate while being in close contact with the bottom surface of an upper end of a transfer support, thereby organically buffering the load of the furnace body together with the first buffer spring as well as smoothly transferring the furnace body; and has a guide part formed on a side of the second transfer roller to maintain straightness of the furnace body during transfer of the furnace body, thereby increasing the stability of products.

Description

Cylinder Transfer Device for Double Tilting Electric Furnace}

The present invention relates to a cylinder transfer device of a double tilting electric furnace, and more particularly, since the furnace is rotated in a double tilting method, the stability is increased by preventing overload due to rotational operation, and a first buffer spring is mounted on the lower part of the base to provide a first It smoothes the transfer of the furnace while buffering the load transferred to the transfer roller, and the second transfer roller, which is fixed to maintain a certain height with the first transfer roller, rotates in close contact with the bottom of the upper end of the transfer support. At the same time, it organically buffers the load of the furnace body with the first buffer spring, and a guide part is formed on one side of the second transfer roller to maintain the straightness during transfer of the furnace body, thereby increasing product stability. It is about.

In general, an electric furnace is a facility that melts raw materials by converting electrical energy into thermal energy in the FeNi manufacturing process. After the raw materials are charged to the top, the charged raw materials are melt-reduced using an external power source to produce molten iron. .

Such electric furnaces are widely used in various fields including metals, machinery, chemical industry and ceramics.

As a prior art for the electric furnace, the electric furnace has been registered as Korean Utility Model Registration No. 20-0347037 (hereinafter referred to as'priority document 1').

Prior Document 1 consists of a main body having a heating space part formed therein, a door hinged to the front of the main body to open and close the heating space part, and a control part for operating an electric furnace.

In Prior Document 1 as described above, in order to use the electric furnace, after opening the door, the crucible containing the object to be heated is inserted into the inside of the electric furnace, and then the door is closed and the control unit is operated to heat the object to be heated. When the crucible is removed from the inside of the electric furnace after heating is completed, the operator usually takes the crucible out of the electric furnace using a grip. However, if the operator lifts the crucible containing high-temperature contents such as molten metal with a forceps, There is a problem that can cause injury.

In addition, recently, a crucible transfer device for an electric furnace has been registered as Korean Patent Registration No. 10-1727177 (hereinafter referred to as'priority document 2').

The Prior Document 2 includes a support frame in which an electric furnace is installed on one side; A gripping unit for gripping the crucible inserted into the electric furnace; And a back-and-forth moving means installed on the support frame for reciprocating the gripping unit in the front-rear direction, wherein the gripping unit includes a base part that is movable by being combined with the back-and-forth moving means, and is installed on the upper part of the base part and holds the crucible A branch portion is provided, and the holding unit further includes a rotating means capable of rotating the holding portion.

However, in Prior Document 2 as described above, although the base portion is configured to move along the guide rail, since the structure is applied to a small electric furnace, the structure cannot be applied as it is in a large electric furnace.

Republic of Korea Utility Model No. 20-0347037 (registered on Jan. 20, 2004) Korean Patent Registration No. 10-1727177 (registered on April 10, 2017)

Accordingly, it has been made in consideration of all the problems of the related art as described above, and its object is to provide a cylinder transfer device for a double tilting electric furnace that increases stability by preventing overload due to rotational operation since the furnace is rotated in a double tilting method.

In addition, another object of the present invention is to provide a cylinder transfer device for a double tilting electric furnace that smoothly transfers the furnace body while buffering the load transferred to the first transfer roller by mounting a first buffer spring under the base portion.

In addition, another object of the present invention is that the first transfer roller and the second transfer roller fixed to maintain a certain height rotate in close contact with the bottom of the upper end of the transfer support, so that the transfer of the furnace body is smooth and at the same time, together with the first buffer spring. It is to provide a cylinder transfer device for a double tilting electric furnace that organically buffers the load of the furnace.

In addition, another object of the present invention is to provide a cylinder conveying device for a double tilting electric furnace that increases product stability by forming a guide on one side of the second conveying roller to maintain straightness when conveying the furnace body.

The cylinder transfer device for a double tilting electric furnace of the present invention was devised to solve the above problems, and includes a base portion formed at regular intervals; Support plates vertically erected on both sides of the upper portion of the base portion; A first support portion having a first support shaft formed inside the central portion of the support plate member, and having first support groove portions formed at both sides of the central portion of the furnace body; A second support portion having a second support shaft formed inside the upper portion of the support plate member, and having a second support groove portion formed at a tip end of an upper portion of the furnace body; A furnace fixed to a central axis between the support plates to dissolve raw materials such as metals and nonmetals; A rotation cylinder having one end fixed to the base portion and the other end fixed to the rotation guide shaft of the furnace body to rotate the furnace body at a predetermined angle; A transfer cylinder having one end fixed to both sides of the base portion and the other end fixed to a fixing table to transfer the base portion; A transfer support disposed under both sides of the base portion and seated on the bottom surface; It is fixed to the lower part of the base and seated on the upper surface of the transfer support, and the first transfer roller is configured to be transferred along the upper surface of the transfer support by the operation of the transfer cylinder, and when the inclination is gentle when the furnace body rotates The first support groove of the first support rotates while being caught on the first support shaft, and when the inclination of the furnace body becomes steep, the second support groove of the second support is supported by the second support shaft and rotates in a double tilting method. It features.

When the inclination increases due to rotation of the furnace body, the second support groove portion of the second support portion is coupled to the second support shaft, and the first support groove portion deviates from the first support shaft, and the furnace body rotates by the support of the second support portion. To do.

It is fixed to the lower end of the rotation guide member of the furnace body, and after the furnace body is rotated by a rotary cylinder to supply the molten raw material into the furnace body, when the furnace body is returned, a stop part that acts as a stopper while being in close contact with the lower end of the support plate is further It is equipped.

The first transfer unit may include a'U'-shaped support plate fixed to a lower portion of the base unit; Roller fixing plates formed at regular intervals inside the support plate; A through hole penetrating the roller fixing plate; A first transfer roller mounted in the through hole to rotate; A support piece fixed to the first shaft of the first transfer roller; The through hole is made of a long hole formed vertically, and a first buffer spring for buffering the load of the electric furnace is further provided on a bottom surface of an upper end of the support plate and an upper portion of the support piece.

A second conveying part is further configured to be fixed to one side of the supporting plate of the first conveying part and in close contact with the bottom of the upper end of the conveying support, and in which the second conveying roller is conveyed along the lower surface of the upper end of the conveying support by the operation of the conveying cylinder. 2 The transfer unit, the upper and lower guide holes formed to be spaced apart at a predetermined height on the support plate; A second transfer roller that rotates in close contact with the bottom of the upper end of the transfer support, and the second shaft is inserted into the lower guide hole; A distance maintaining member fixed to the first axis of the first transfer roller and the second axis of the second transfer roller to maintain a distance between the first axis and the second axis; A horizontal support on which the lower end of the support plate is horizontally bent; A second buffer spring is provided with one end fixed to the upper portion of the horizontal support and the other end fixed to the lower portion of the distance maintaining member, and formed at one side of the second transport roller to have a larger diameter than the second transport roller. While in close contact with one side of the upper end of the support, a guide part for stably transferring the second transfer part is further provided.

In addition, according to the present invention, when the inclination of the furnace body is gentle, the first support groove is supported by the first support shaft and rotates, and when the inclination of the furnace body becomes steep, the second support groove is supported by the second support shaft, so that it is double tilted. Since it rotates in a way, there is an effect that the furnace can be easily rotated.

According to the present invention, there is an effect of increasing the durability and competitiveness of the product by installing the first buffer spring under the base portion to buffer the load transmitted to the first transfer roller while smoothly transferring the furnace body.

In addition, according to the present invention, since the first transfer roller and the second transfer roller fixed to maintain a constant height rotate in close contact with the bottom of the upper end of the transfer support, it facilitates the transfer of the furnace and at the same time facilitates the transfer of the furnace body together with the first buffer spring. It has the effect of organically buffering the load.

In addition, according to the present invention, there is an effect of increasing the stability of the product by forming a guide portion on one side of the second conveying roller to maintain the straightness when conveying the furnace body.

1 is a side configuration diagram showing a double tilting electric furnace to which the present invention is applied.
2 is a front configuration diagram showing a double tilting electric furnace to which the present invention is applied.
3 is an enlarged front configuration diagram of the first and second transfer parts of the present invention.
4 is an enlarged side view of the first and second transfer parts of the present invention.
5 to 6 are side configuration views of the present inventors in a state in which the melted raw material is supplied by being transported along the furnace transfer support.
7 is an enlarged front configuration diagram of a state in which the load of the furnace body is buffered by the first and second conveying units of the present invention.
8 to 9 are diagrams illustrating a state diagram of supplying a molten raw material by rotating in a double-tilting method by the operation of the rotary cylinder according to the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. 1 is a side view showing a double tilting electric furnace to which the present invention is applied, and FIG. 2 is a front view showing a double tilting electric furnace to which the present invention is applied.

The transfer device of the furnace body to which the buffer device of the present invention is added includes the base unit 110, the support plate material 120, the first support unit 130, the second support unit 140, the furnace body 150, the rotary cylinder 160, Consists of a transfer cylinder 170, a transfer support 180, and a first transfer unit 190.

The base portion 110 is configured to stably support the load of the furnace 150, and is formed at regular intervals so that the support plate 120 is vertically erected.

The support plate 120 is vertically erected on both upper sides of the base unit 110, and central shafts 151 formed at both ends of the furnace 150 are coupled to the support plate 120 to rotate, and the central axis 151 serves to stably support the furnace body 150 when the furnace body 150 rotates.

The first support part 130 is composed of a first support shaft 131 and a first support groove 132, and the first support shaft 131 is formed inside the central part of the support plate 120, and the first support The grooves 132 are formed on both sides of the central portion of the furnace 150.

The second support part 140 is composed of a second support shaft 141 and a second support groove 142, the second support shaft 141 is formed inside the upper portion of the support plate 120, and the second support groove 142 is formed at the top end of the furnace 150.

When the furnace body 150 rotates when the inclination is gentle, the first support groove 132 is supported by the first support shaft 131 so that the furnace body 150 rotates around the central axis 151, and the furnace body ( When the rotation inclination of 150) becomes rapid, the second support groove 142 is supported by the second support shaft 141 and is configured to rotate in a double tilting manner.

The furnace body 150 is rotated by the operation of the rotation cylinder 160 by the rotation guide member 152 fixed to guide the rotation of the furnace body 150 is coupled to the central shaft 151, where the furnace body 150 ) Is the same as a conventional furnace structure, so a detailed description will be omitted.

The stop 155 is fixed to the lower one side of the rotation guide member 152 and is in close contact with the lower one side of the support plate 120, and when the furnace 150 rotates, the stop 155 is the support plate 120 When the furnace body 150 is returned, the stop portion 155 is in close contact with the support plate 120 and the rotation is terminated.

The stopping part 155 may be fixed with a member such as a bolt, and a detection sensor (not shown) may be mounted at the end of the rotation guide member 152 to detect the return end of the furnace 150 through the control unit. have.

The rotation cylinder 160 is operated by hydraulic pressure to rotate the furnace 150 at a predetermined angle.

One end of the rotation cylinder 160 is fixed to the upper portion of the base unit 110, and the other end of the rotation cylinder 160 is attached to the rotation guide shaft 153 formed on the rotation guide member 152 of the furnace 150 It is fixed.

The transfer cylinder 170 is fixed to both side surfaces of the base unit 110 and the fixing table 171 to transfer the base unit 110 in the front and rear directions.

One end of the transfer cylinder 170 is fixed to one side of the base unit 110, and the other end is fixed to a fixture 171 fixed to the front bottom surface of the base unit 110, so that the rod is fixed by hydraulic operation. As the base portion 110 is pushed and pulled, the base portion 110 is transferred.

The transfer support 180 is disposed under both sides of the base unit 110 to be mounted and fixed on the bottom surface, and the first transfer roller 194 of the first transfer unit 190 is mounted on the upper surface.

3 to 4, the first transfer unit 190 is fixed to the lower portion of the base unit 110 and seated on the upper surface of the transfer support 180 to transfer the furnace 150 forward and backward. Will do.

The first transfer unit 190 includes a support plate 191, a roller fixing plate 192, a through hole 193, a first transfer roller 194, and a support piece 195.

The support plate 191 has a'C' shape and is fixed to the lower portion of the base unit 110, and the roller fixing plate 192 is to fix the first transfer roller 194 inside the support plate 191. It is formed at regular intervals.

The through holes 193 are formed through both sides of the roller fixing plate 192, and when buffering the load of the furnace 150, the first shaft 194' of the first conveying roller 194 is guided up and down. It is preferable to be formed as long as possible.

The first transfer roller 194 is mounted in the through hole 19, and the support piece 195 is bent in a'c' shape so that both ends thereof are the first shaft 194' of the first transfer roller 194. ) And the upper surface of the support piece 195 supports the first buffer spring 196.

A first buffer spring 196 for smoothing the transfer of the furnace 150 by buffering the load of the furnace 150 may be further provided on the lower surface of the upper end of the support plate 191 and the upper surface of the support piece 195 .

In addition, the second transfer unit 200 is in close contact with the bottom of one side of the transfer support 180 and rotates to facilitate the transfer of the furnace body 150.

The second transfer unit 200 is composed of upper and lower guide holes 210 and 211, a second transfer roller 220, a distance maintaining member 230, a horizontal support 240, and a second buffer spring 150 do.

The upper and lower guide holes 210 and 211 are respectively formed to be positioned at a predetermined height at one end of the support plate 191.

The second transfer roller 220 is rotated in close contact with the bottom of the upper end of the transfer support 180, and the second shaft 221 is coupled to the lower guide hole 211.

The distance maintaining member 230 is fixed to the first axis 194 ′ of the first conveying unit 190 and the second axis 221 of the second conveying unit 200 to maintain their distance, that is, their height.

It is important that the ends of the first shaft 194 ′ and the second shaft 221 are rotatably fixed to the distance maintaining member 230, and for this purpose, a bearing may be mounted inside.

In addition, the horizontal support 240 is horizontally bent at the lower end of the support plate 191, and a second transfer roller 220 is provided between the horizontal support 240 and the distance maintaining member 230. ) Is provided with a second buffer spring 250 that stably adheres to the lower bottom surface of the second buffer spring 250, wherein one end of the second buffer spring 250 is fixed to the top of the horizontal support 240, and the other end is the distance maintaining member It is fixed to the lower part of 230.

On the other hand, a guide part 260 is formed on one side of the second transfer roller 220 and is positioned at one side of the upper end of the transfer support 180 to smoothly guide the horizontal movement of the second transfer part 200, and the guide part Characterized in that 260 is formed larger than the diameter of the second transfer roller 220.

The following describes the operating state of the electric furnace transfer device to which the buffer device of the present invention is added.

First, when operating the transfer cylinder 170 by controlling the control unit (not shown), the first transfer roller 194 of the first transfer unit 190 is in one direction to receive the raw material along the upper surface of the transfer support 180 At the same time as being transferred to, the second transfer roller 220 of the second transfer unit 200 is transferred along the lower surface of the upper end of the transfer support 180.

In this state, the raw material in a molten state is supplied to the inside of the furnace 150 provided on the upper part of the base unit 110, and the furnace 150 receiving the raw material is supplied with the raw material by the operation of the moving cylinder 170. It is conveyed in the direction of the other supplying side.

Here, the first buffer spring 196 of the first transfer unit 190 stably buffers the load of the furnace 150 in which the raw material is stored.

In more detail, as shown in FIG. 7, the support plate 191 is lowered by the load of the furnace 150, and the through hole 193 formed in the form of a long hole in the roller fixing plate 192 is a first transfer roller. It is guided along the first axis 194' of 194 and descends, and the first cushioning spring 196 is elastically compressed and buffers the load of the furnace 150 to stably assist the transport of the furnace 150. do.

In addition, the second transfer roller 193 in close contact with the lower surface of the upper end of the transfer support 180 maintains close contact with the lower surface of the upper end of the transfer support 180 by the elasticity of the second buffer spring 196. 150) can be transferred smoothly.

In addition, the guide portion 260 formed on one side of the second transfer roller 220 is formed with a larger diameter than the second transfer roller 220 and is positioned between the upper end of the transfer support 180 and the support plate 191 Therefore, stable transfer is possible when the furnace body 150 is transferred, and at the same time, the straightness is maintained during transfer of the furnace body 150 to enable accurate horizontal transfer.

In order to supply the melted raw material by rotating the furnace 150, first, as shown in Figs. 8 to 9, the rotary cylinder 160 is operated by hydraulic pressure under the control of the controller, and the rotary cylinder 160 As the rod of) is withdrawn, the rotation guide member 152 of the furnace 150 rotates about the central axis 151.

In this case, when the furnace body 150 rotates only a predetermined angle and the slope is gentle, the first support groove 132 of the first support 130 rotates while being supported by the first support shaft 131.

When the furnace 150 continues to rotate around the central axis 151 and the inclination becomes steep, the first support groove 132 deviates from the first support shaft 131 and the second support groove 142 is While being supported by the second support shaft 141, the raw material stored in the furnace 150 is supplied while rotating in a double tilting type.

When the furnace body 150 rotates in a double-tilting manner as described above, an overload generated when the furnace body 150 rotates is fundamentally prevented, thereby enabling a stable rotation operation.

After all the raw materials in the furnace body 150 are supplied, the furnace body 150 rotates and returns to its initial state by the operation of the rotation cylinder 160, and the stopper 154 provided in the rotation guide member 152 is supported. The rotation of the furnace 150 is stopped while being in close contact with the end of the plate 120.

As described above, although the present invention has been described by a limited embodiment and drawings, terms or words used in the present specification and claims are limited to a conventional or dictionary meaning and should not be interpreted, but according to the technical idea of the present invention. It must be interpreted as a corresponding meaning and concept.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only one embodiment of the present invention, and do not represent all the technical spirit of the present invention, and thus various It should be understood that there may be equivalents and variations.

110: base portion
120: support plate 130: first support
131: first support shaft 132: first support groove
140: second support 141: second support shaft
142: second support groove 150: roche
151: central axis 152: rotation guide member
153: rotation guide shaft 160: rotation cylinder
170: transfer cylinder 180: transfer support
190: first transfer unit 191: support plate
192: roller fixing plate 193: through hole
194: first transfer roller 195: support piece
196: first buffer spring 200: second transfer unit
210: upper guide hole 211: lower guide hole
220: second transfer roller 230: distance maintaining member
240: horizontal support 250: second buffer spring
260: guide part

Claims (5)

Base portions 110 formed at regular intervals;
A support plate 120 vertically erected on both sides of the upper portion of the base portion 110;
A first support portion 130 having a first support shaft 131 formed inside the central portion of the support plate 120 and having first support groove portions 132 formed at both sides of the central portion of the furnace 150;
A second support portion 140 having a second support shaft 141 formed inside the upper portion of the support plate 120 and having a second support groove portion 142 formed at a tip end of the furnace 150;
A furnace 150 fixed to the central axis 151 between the support plate 120 to melt raw materials such as metals and nonmetals;
One end is fixed to the base portion 110 and the other end is fixed to the rotation guide shaft 153 of the furnace body 150 to rotate the furnace body 150 by a predetermined angle rotation cylinder 160;
One end is fixed to both sides of the base portion 110, the other end is fixed to the fixing table 171, the transfer cylinder 170 for transferring the base portion 110;
A transfer support 180 disposed under both sides of the base unit 110 and seated on the bottom surface;
The first transfer roller 194 is fixed to the lower portion of the base unit 110 and seated on the upper surface of the transfer support 180, and the first transfer roller 194 is transferred along the upper surface of the transfer support 180 by the operation of the transfer cylinder 170. 1 transfer unit 190 is configured,
When the inclination of the furnace body 150 is gentle, the first support groove portion 132 of the first support portion 130 rotates while being caught by the first support shaft 131, and the inclination of the furnace body 150 is rapid. When the sun goes down, the second support groove 142 of the second support 140 is supported by the second support shaft 141 and rotates in a double tilting method.
The method according to claim 1,
When the inclination becomes steep due to the rotation of the furnace 150, the second support groove 142 of the second support 140 is coupled to the second support shaft 141, and the first support groove 132 is a first support shaft A cylinder transfer device for a double tilting electric furnace, characterized in that the furnace 150 rotates by the support of the second support 140 while leaving the 131.
The method according to claim 1,
The furnace body 150 is fixed to the lower end of the rotation guide member 152 of the furnace body 150, and after the furnace body 150 is rotated by the rotary cylinder 160 to supply the molten raw material into the furnace body 150, the furnace body ( When the return of 150), while in close contact with the lower end of the support plate 120, the cylinder transfer device of the double tilting electric furnace, characterized in that further provided with a stop 154 acting as a stop.
The method according to claim 1, wherein the first transfer unit 190;
A support plate 191 having a'C' shape fixed to a lower portion of the base portion 110;
Roller fixing plates 192 formed at regular intervals inside the support plate 191;
A through hole 193 formed as a long hole perpendicular to the roller fixing plate 192;
A first transfer roller 194 mounted in the through hole 193 to rotate;
A support piece 195 fixed to the first shaft 194' of the first transfer roller 194;
A cylinder transfer device for a double tilting electric furnace, characterized in that a first buffer spring (196) for buffering the load of the furnace 150 is provided at the bottom of the upper end of the support plate 191 and on the upper portion of the support piece 195.
The method according to claim 1,
It is fixed to one side of the support plate 191 of the first transfer unit 190 and is in close contact with the lower surface of the upper end of the transfer support 180, and the second transfer roller 220 is transferred to the transfer support 180 by the operation of the transfer cylinder 170. A second transfer unit 200 is further configured to be transferred along the bottom of the upper end of ),
The second transfer unit 200,
Upper and lower guide holes 210 and 211 formed to be spaced apart at a predetermined height on the support plate 191;
A second transfer roller 220 that rotates in close contact with the upper end of the transfer support 180 and into which the second shaft 221 is inserted into the lower guide hole 211;
The distance between the first axis 194' and the second axis 221 by being fixed to the first axis 194' of the first conveying roller 194 and the second axis 221 of the second conveying roller 220 Distance maintaining member 230 for maintaining the;
A horizontal support 240 formed by bending the lower end of the support plate 191 horizontally;
A second buffer spring 250 is provided with one end fixed to the upper portion of the horizontal support 240 and the other end fixed to the lower portion of the distance maintaining member 230,
A guide portion formed on one side of the second transfer roller 220 to have a larger diameter than the second transfer roller 220 so as to be in close contact with one side of the upper end of the transfer support 180 so that the second transfer portion 200 is stably transferred ( 260) cylinder transfer device for a double tilting electric furnace, characterized in that further provided.

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