KR102323944B1 - Polishing device for temperature sensor protection tube - Google Patents

Abstract

The present invention provides a base frame for supporting the protection tube to be polished in a seated state on the upper surface, and a base frame formed with a guide rail extending in a direction parallel to the longitudinal direction of the protection tube to be polished seated and disposed on the mounting table, and is connected to the base frame. A tube rotation clamping part that rotates one end of the protective pipe to be polished while clamping it, and is slidably connected to the guide rail of the base frame. It is installed on the base frame so as to be connected to the tube abrasive and the tube abrasive provided so as to polish the surface of the tube portion of the protective tube to be polished while in contact, and generates a driving force so that the tube abrasive moves reciprocally in the front and rear directions on the guide rail. It provides a polishing apparatus for a temperature sensor protection tube, which includes a flange abrasive mounted with a flange abrasive that is installed connected to the tube polishing moving part, the base frame, and grinds the flange surface of the protection tube to be polished while in contact with the flange surface of the protection tube to be polished. .

Description

Polishing device for temperature sensor protection tube

The present invention relates to a polishing apparatus for a protective tube for a temperature sensor for polishing the surface of the protective tube for protecting a temperature sensor.

In general, a thermowell is a device for protecting a temperature sensor for measuring the temperature of a fluid in an industrial site. A protective tube is installed on the measurement object to measure the temperature, and a temperature sensor is inserted into it to measure the temperature. measure

When the temperature sensor is in direct contact with the object to be measured, damage or failure of the temperature sensor is induced while causing a chemical reaction with the object. In particular, in oil refining or chemical plants, liquid refinery containing chemicals such as sulfuric acid, hydrochloric acid, and BTX and gaseous substances such as hydrogen, chlorine, and other toxic gases are included in the measurement object, so the use of a protective tube is essential. .

In addition, when the protective tube is used for a long time, corrosion or rust may occur due to the material it comes into contact with, which prevents the accurate temperature measurement of the corrosion or melted temperature sensor. need to be done

In the prior art, the worker manually performs the polishing of the surface of the protective tube using a tool such as a hand grinder. have.

For this reason, in recent years, a pipe surface polishing apparatus for polishing the surface of the pipe while moving the grinding stone along the pipe is used, but in the case of a protective tube, the flange portion is formed to protrude on one side. There is a limit to the polishing operation for the protective tube by not being able to perform the polishing operation.

The related technology for such a pipe surface polishing apparatus is presented in Korean Patent Laid-Open Publication No. 10-2003-0051133 (June 25, 2003).

The present invention provides a polishing apparatus for a protective tube for a temperature sensor that can easily perform a polishing operation on the surface of a protective tube in which a flange is formed to protrude, thereby minimizing the working time and preventing damage to the musculoskeletal system of the operator. there is a purpose to

The present invention provides a base frame for supporting the protection tube to be polished on the upper surface in a seated state, and a guide rail portion extending in a direction parallel to the longitudinal direction of the protection tube to be polished mounted on the mounting table, and is installed connected to the base frame. , A tube rotation clamping part that rotates one end of the protective tube to be polished in a clamped state, is slidably connected to the guide rail part of the base frame, and is slidably installed on the guide rail part when sliding on the guide rail part. A tube abrasive provided with a tube abrasive to polish the surface of the tube portion of the protective tube to be polished while in contact with the surface, is installed on the base frame to be connected to the tube abrasive, and a driving force so that the tube abrasive moves reciprocally in the front and rear directions on the guide rail portion Abrasive for a temperature sensor protection tube comprising a flange abrasive mounted with a flange abrasive for grinding the flange surface of the protection tube to be polished while being in contact with the flange surface of the protection tube to be polished and installed connected to the base frame. provide the device.

In addition, the tube rotation clamping unit is connected to one side of the base frame, the tube rotation drive means for generating a rotational driving force for rotating the protection tube to be polished, is installed connected to the tube rotation drive means, and is installed above the flange of the protection tube to be polished It may include a protective tube fixing chuck coupled to the tube portion of the fixed state.

In addition, the pipe abrasive unit is installed to be slidingly connected to the guide rail part, a sliding support having a pipe polishing connection bracket formed at an upper end thereof, is coupled to the pipe polishing connection bracket of the sliding support, and a pipe abrasive material is coupled to the end of the drive shaft It may include a pipe abrasive grinder provided with.

In addition, a pair of shaft coupling rods are coupled to the upper surface of the base frame to face each other in a mutually spaced apart state, and the pipe polishing moving part has both ends in the longitudinal direction to be axially rotatable to the shaft coupling rod so as to be arranged in parallel with the guide rail part. Connected and installed, on the outer peripheral surface, a moving rotating shaft having a threaded portion to be screwed to the pipe polishing unit, is connected to one end of the moving rotating shaft in the longitudinal direction, and is screwed with the moving rotating shaft while rotating the moving rotating shaft in a clockwise or counterclockwise direction It may include a movement driving means for generating a driving force to slide the pipe polishing unit in the front and rear direction on the guide rail portion.

The polishing apparatus for a temperature sensor protective tube according to the present invention rotates the polishing object protective tube in a clamping state by a tube rotation clamping unit in a state where the polishing object protective tube is seated and disposed on a mounting table of a base frame. And, when the sliding support of the pipe polishing unit moves forward and backward on the base frame by the pipe polishing moving unit, the pipe abrasive provided in the pipe polishing grinder of the pipe polishing unit performs a polishing operation on the surface of the pipe part under the flange of the protection pipe to be polished, The flange grinding grinder performs a grinding operation on the flange surface of the protection tube to be polished, so that the surface polishing of the protection tube to be polished can be easily and quickly performed.

1 is a side view of a polishing apparatus for a temperature sensor protection tube according to an embodiment of the present invention.
2 is a plan view of a polishing apparatus for a temperature sensor protective tube according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a side view of a polishing apparatus for a temperature sensor protection tube according to an embodiment of the present invention, and FIG. 2 is a plan view of a polishing apparatus for a temperature sensor protection tube according to an embodiment of the present invention. 1 and 2 , the polishing apparatus for a temperature sensor protection tube according to an embodiment includes a base frame 100 , a tube rotation clamping unit 200 , a tube polishing unit 300 , and a tube polishing moving unit 400 . , one surface of the flange portion of the protection tube 10 to be polished in a state equipped with the flange polishing grinder 500, that is, the surface of the flange portion of the protection tube 10 exposed to the outside, and the protection tube 10 in contact with liquid or gas. Polishing is performed on the outer surface of the pipe part at the bottom of the flange.

The base frame 100 is a grinding object in a state in which the pipe rotation clamping part 200, the pipe grinding part 300, the pipe grinding moving part 400, and the flange grinding grinder 500, which will be described later, are connected and supported. It is a frame portion in which the polishing operation for the protective tube (10) is made. The base frame 100 includes an upper plate frame part 100a disposed horizontally on the ground, and a support frame part coupled to extend downwardly to the lower end of the upper plate frame part 100a to support the upper plate frame part 100a ( 100b). Here, the upper plate frame part 100a and the support frame part 100b are formed by using a plate-shaped member or by a structure in which a plurality of horizontal unit bar members, a vertical unit bar member, and a vertical unit bar member are coupled in a connected state. could be

And, on the upper surface of the base frame 100, a plate-shaped mounting base 110 is provided to protrude upwardly so as to support the protection tube 10 to be polished in a seated state. Here, a seating groove 111 may be formed on the upper surface of the seating table 110 so that the tube portion on the upper side of the flange of the protection pipe 10 to be polished can be seated and disposed in an inserted state. And, on one surface of the mounting base 110, more specifically, on the surface portion facing the flange of the protection tube 10 to be polished, the surface of the flange facing the protection tube 10 to be polished is polished when the protection tube 10 is rotated to be polished. It may be provided with a surface abrasive (not shown) combined so that it can be. As the surface abrasive, a metal brush or abrasive stone may be applied, but of course, a known abrasive may be selectively used, but not limited thereto. In addition, a plurality of ball members (not shown) are mounted rotatably on the inner surface of the seating table 110 of the portion where the seating groove 111 is formed, that is, the surface of the seating table 110 in contact with the polishing target protective tube 10 . By providing, it is possible to minimize the frictional resistance with the mounting base 110 during rotation by the tube rotation clamping part 200 in a state in which the polishing target protective tube 10 is inserted and seated in the seating groove 111 .

In addition, on the upper surface of the base frame 100, the guide rail part 120 is extended in the longitudinal direction and parallel to the longitudinal direction of the polishing target protective tube 10 seated and disposed on the front and rear direction, more specifically, the mounting table 110. is formed The guide rail unit 120 guides the sliding support 310 of the pipe polishing unit 300 to slide in a direction parallel to the longitudinal direction of the polishing target protection pipe 10 on the base frame 100 .

In addition, a pair of shaft connecting rods 130 are coupled to both sides of the upper surface of the base frame 100 so as to be spaced apart from each other to face each other. The shaft connecting rod 130 is formed to extend upwardly from the upper surface of the base frame 100 , and connects and supports both ends in the longitudinal direction of the moving and rotating shaft 410 of the tube polishing moving part 400 . At this time, the connecting hole 130a through which the moving rotary shaft 410 is inserted and connected is formed in the shaft connecting rod 130, and the rotation of the moving rotating shaft 410 is formed in the shaft connecting rod 130 in which the connecting hole 130a is formed. A bearing member (not shown) that makes it stable may be coupled.

In addition, on one side of the upper surface of the base frame 100 , more specifically, on the upper surface portion of the base frame 100 adjacent to the flange of the protection tube 10 to be polished mounted on the mounting table 110 , a flange grinding grinder 500 . It may be provided with a coupling flange abrasive connection bracket 140 to be installed in a seated state. The flange grinding connection bracket 140 is seated and supports the flange grinding grinder 500, and a lower bracket plate 141 having a fixing groove (not shown) formed on one side thereof, and the lower bracket plate 141. , the upper bracket plate 142 in which the fastening groove 142a is formed so as to extend in the left and right direction, and the both ends are coupled and fixed to the fixing groove of the lower bracket plate 141 while wrapping the body part of the flange abrasive grinder 500 It may be composed of a 'U'-shaped clamp member 143, a fastening bolt 144 whose end is fastened and fixed to the flange grinding grinder 500 in a state of being inserted into the fastening groove 142a.

The tube rotation clamping part 200 is a part that rotates in a clamping state of the polishing object protection tube 10 seated on the mounting base 110 of the base frame 100 . The pipe rotation clamping unit 200 is installed to be connected to one side of the base frame 100 , and more preferably, a pair of shaft connecting rods to clamp the end of the pipe portion above the clamp of the protection pipe 10 to be polished. It is connected to the shaft connecting rod 130 disposed on the right side of the 130 and installed. Here, the tube rotation clamping unit 200 includes a tube rotation driving means 210 and a protective tube fixing chuck 220 .

The tube rotation driving means 210 is a means for generating a rotational driving force to rotate the polishing object protective tube (10). The tube rotation driving means 210 is coupled to and installed on the shaft connection rod 130 disposed on the right side of the shaft connection rod 130 of the base frame 100 , and is connected to the motor 211 and the drive shaft of the motor 211 . Thus, it may be configured as a speed reducer 212 for reducing the rotation speed of the motor 211 .

The protective tube fixing chuck 220 transmits the rotational force generated by the tube rotation driving means 210 to the polishing object protective tube 10 . That is, the protective tube fixing chuck 220 is installed to be connected to the end of the tube rotation driving means 210 , more specifically, the end of the rotation shaft of the reducer 212 . In addition, the protective tube fixing chuck 220 is fixedly coupled to the tube portion of the upper flange of the polishing object protective tube 10 and transmits the rotational force output from the reducer 212 to the polishing object protective tube 10 to rotate. .

The tube abrasive part 300 slides on the guide rail part 120 of the base frame 100 while being in contact with the surface of the tube part under the flange of the protective tube 10 to be polished while being in contact with the surface of the tube part of the protective tube 10 to be polished. part to polish. This, the pipe polishing unit 300 is installed slidably connected to the guide rail unit 120 of the base frame 100, and receives the moving force from the pipe polishing moving unit 400 to be described later to the base frame 100 ) on the upper surface of the guide rail part 120 to slide forward and backward. Here, the pipe polishing unit 300 includes a sliding support 310 and a pipe polishing grinder 320 .

The sliding support 310 is a frame portion for connecting and supporting the pipe abrasive grinder 320 so as to be slidably movable in the front-rear direction on the guide rail part 120 of the base frame 100 . The sliding support 310 has an 'n'-shaped vertical cross-sectional shape in which both sides are bent downward, and a guide connector (not shown) may be formed on one side to be connected to the guide rail unit 120 . And, at the lower ends of both sides of the sliding support 310, when sliding along the guide rail unit 120 on the base frame 100, the base frame 100, while minimizing friction with the upper surface of the moving wheel (310a) for stable movement is made. ) is rotatably connected.

And, on the upper side of the sliding support 310, the pipe polishing connection bracket 311 for coupling and installing the pipe polishing grinder 320 in a seated state may be coupled. This, pipe grinding connection bracket 311 is seated and supports the pipe grinding grinder 320, and a pipe grinding lower bracket plate 312 with a fixing groove (not shown) formed on one side, and a pipe grinding lower bracket plate 312. In a state of being coupled to one side to extend upward and extending in the front-rear direction, the pipe polishing side bracket plate 313 having a fastening groove 313a formed therein and the pipe polishing grinder 320 are wrapped around the pipe polishing lower bracket plate 312 ), a 'U'-shaped pipe polishing clamp member 314, which allows both ends to be coupled and fixed in the fixing groove of can be configured.

In addition, a screw coupling hole (not shown) through which the moving rotary shaft 410 of the pipe polishing moving part 400 is inserted through a screwed state may be formed on the lower side of the sliding support 310 .

In addition, the sliding support 310 is formed with a guide groove (not shown) for inserting the pipe portion under the flange of the protection pipe to be polished 10 in a penetrating state, and the pipe under the flange of the protection pipe 10 to be polished is formed. Allow the part to be supported in a seated state.

The pipe abrasive grinder 320 is coupled to the pipe polishing connection bracket 311 of the sliding support 310 and grinds the surface of the pipe part under the flange of the protection pipe 10 to be polished. The pipe abrasive grinder 320 has a general grinder structure that rotates the drive shaft by receiving a separate power or compressed air from the outside, and the drive shaft end of the pipe abrasive grinder 320 has a lower flange of the protection pipe 10 to be polished. A tubular abrasive 321 is provided to be polished while in contact with the surface of the tubular part. At this time, the tubular abrasive 321 may be a metal brush or abrasive stone, but is not limited thereto, and a known abrasive may be selectively used.

The pipe polishing moving part 400 is a part that generates a driving force to reciprocally slide the sliding support 310 of the pipe polishing unit 300 on the guide rail part 120 of the base frame 100 . This, the pipe polishing moving unit 400 is installed on the base frame 100 so as to be connected to the sliding support 310 of the pipe polishing unit 300 . Here, the tube polishing moving unit 400 includes a moving rotating shaft 410 and a moving driving means 420 .

The moving rotating shaft 410 is a shaft portion that transmits a rotational force to the sliding support 310 of the pipe polishing unit 300 while rotating by the moving driving means 420 . That is, the moving rotation shaft 410 transmits the rotational force generated by the movement driving means 420 to the sliding support 310, and the sliding support 310 converts the rotational force into a linear motion while receiving the rotational force from the guide lever of the base frame 100. Let it slide on the part 120 .

The moving rotating shaft 410 is disposed on the upper side of the upper plate frame part 100a of the base frame 100 in a state parallel to the guide rail part 120 , and both ends in the longitudinal direction of the moving rotating shaft 410 are the base frame 100 . ) is rotatably inserted and installed in the connection hole (130a) formed in the shaft connection rod (130).

In addition, a threaded portion may be formed on the outer peripheral surface of the moving rotation shaft 410 in the longitudinal direction. Such a screw part is screwed to the screw connection hole formed in the sliding support 310 of the pipe polishing unit 300, and according to the axial rotation direction of the moving rotation shaft 410, that is, according to the axial rotation in the clockwise or counterclockwise direction. The sliding support 310 of the polishing tube 300 is made to slide forward or backward on the guide rail 120 of the base frame 100 .

The moving driving means 420 rotates the moving rotating shaft 410 in a clockwise or counterclockwise direction while rotating the moving rotating shaft 410 and the sliding support 310 of the pipe polishing unit 300 screw-connected to the base frame 100 ) is a means for generating a driving force to slide forward or backward on the guide rail portion 120. The moving driving means 420 is coupled and installed on one side of the base frame 100 so as to be connected to one end in the longitudinal direction of the moving rotating shaft 410 . Here, the movement driving means 420 may include a motor 421 and a speed reducer 422 connected to a drive shaft of the motor 421 to reduce the rotational speed of the motor 421 . The end of the rotating shaft of the reducer 422 is connected to one end in the longitudinal direction of the moving rotating shaft 410 through a link member (not shown) to transmit the rotational force.

And, the sliding support 310 of the pipe polishing unit 300 while adjusting the number of rotations of the moving rotation shaft 410 according to the length of the flange lower tube portion of the polishing target protective tube 10 is the base of the movement driving means 420 . A movement range control unit (not shown) for controlling the distance moved in the front-rear direction on the guide rail unit 120 of the frame 100 may be connected. Such a movement range adjustment control unit enables the operator to set a range in which the pipe grinding grinder 320 is reciprocally moved on the base frame 100 in the front and rear direction, regardless of the length of the protection pipe 10 to be polished. It makes it possible to stably perform the polishing operation of the surface of the tube portion of the lower flange of the protection tube 10 to be polished by the tube polishing grinder 320 of 300 .

The flange grinding grinder 500 is coupled and installed to the flange grinding connection bracket 140 of the base frame 100 , and grinds the flange surface of the protection pipe 10 to be polished. The flange grinding grinder 500 has a general grinder structure that rotates the driving shaft by receiving a separate power or compressed air from the outside, and the driving shaft end of the flange grinding grinder 500 has the surface of the flange portion of the protection pipe 10 to be polished. A flange abrasive 510 that allows polishing to be made while in contact with the coupling is provided. In this case, the flange abrasive 510 may be a metal brush or abrasive stone, but is not limited thereto, and a known abrasive may be selectively used.

A polishing operation for the protection tube to be polished using the polishing apparatus for the protection tube for a temperature sensor according to an embodiment configured as described above will be described as follows.

First, the polishing object protective tube 10 is placed in an inserted state in the seating groove 110 formed in the seating table 110 of the base frame 100 . At this time, the tube portion under the flange of the polishing object protection tube 10 may be inserted into the guide groove formed in the sliding support 310 of the tube polishing unit 300 .

After that, the tube portion of the upper flange of the polishing object protection tube 10 is fixed to the protection tube fixing chuck 220 of the tube rotation clamping unit 200, and then the tube rotation driving means 210 is driven to drive the polishing object protection tube ( 10) is rotated.

Then, the pipe grinding grinder 320 of the pipe polishing unit 300 is operated and the moving driving means 420 of the pipe polishing moving unit 400 is operated, so that the pipe under the flange of the protection pipe 10 to be polished Abrasive work is done on the surface part.

In addition, while the flange grinding grinder 500 is operated, the grinding operation of the flange surface of the protection pipe 10 to be polished is also made.

In this way, the polishing apparatus for a temperature sensor protection tube of an embodiment is a polishing object protection tube ( 10) is rotated in the clamping state. And, when the sliding support 310 of the pipe polishing unit 300 moves in the front-rear direction on the base frame 100 by the pipe polishing moving unit 400, the pipe polishing grinder 320 of the pipe polishing unit 300 is provided. The tubular abrasive performs a polishing operation on the surface of the tube portion below the flange of the protection tube 10 to be polished, and the flange abrasive grinder 500 performs a polishing operation on the flange surface of the protection tube 10 to be polished, the polishing target It enables the surface polishing of the protective tube 10 to be easily and quickly performed.

Although the present invention has been described with reference to the embodiments shown in the drawings, which are merely exemplary, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Accordingly, the true technical protection scope of the present invention should be defined by the technical spirit of the appended claims.

100: base frame 110: mounting base
120: guide rail 130: shaft connecting rod
140: flange grinding connection bracket 200: pipe rotation clamping part
210: pipe rotation driving means 220: protective pipe fixing chuck
300: abrasive tube 310: sliding support
320: pipe grinding grinder 400: pipe grinding moving part
410: moving rotating shaft 420: moving driving means
500: flange abrasive grinder 510: flange abrasive

Claims (4)

A base frame formed with a base for supporting the protective tube to be polished in a seated state on the upper surface, and a guide rail extending in a direction parallel to the longitudinal direction of the protective tube to be polished mounted on the mount;
a pipe rotation clamping part connected to the base frame and rotating while clamping one end of the protection pipe to be polished;
A pipe provided with a tubular abrasive so as to be slidably connected to the guide rail portion of the base frame and to polish the tubular surface of the protection tube to be polished while in contact with the surface of the tube portion under the flange of the protection tube to be polished when sliding on the guide rail portion grinding part;
a pipe polishing moving part installed on the base frame so as to be connected to the pipe polishing part and generating a driving force so that the pipe polishing part is slid back and forth in the guide rail part;
A flange abrasive grinder connected to the base frame and equipped with a flange abrasive for grinding the flange surface of the protection pipe to be polished while in contact with the flange surface of the protection pipe to be polished;
The pipe abrasive part is connected and installed to be slidably moved to the guide rail part, a sliding support having a pipe abrasive connection bracket formed at an upper end thereof, is coupled to the pipe polishing connection bracket of the sliding support, and a pipe abrasive is coupled to the end of the drive shaft. Includes a pipe abrasive grinder,
A flange grinding connection bracket for coupling and installing a flange grinding grinder in a seated state is coupled to the base frame, and a pair of shaft connecting rods are coupled to face each other at a distance from each other on the upper surface of the base frame,
The flange grinding connection bracket is seated and supports the flange grinding grinder, a lower bracket plate having a fixing groove formed on one side, an upper bracket plate having a fastening groove extending in the left and right direction, and an upper bracket plate having a fixing groove formed on one side, and a flange grinding grinder A 'U'-shaped clamp member for fixing both ends to the fixing groove of the lower bracket plate while wrapping the body of
The sliding support is provided with a pipe abrasive connection bracket for coupling and installing the pipe abrasive grinder in a seated state,
The pipe abrasive connection bracket is seated and supports the pipe abrasive grinder, and a pipe polishing lower bracket plate having a fixing groove formed on one side thereof is coupled to one side of the pipe polishing lower bracket plate so as to extend upward and a fastening groove extending in the front and rear directions. The formed pipe abrasive side bracket plate, a 'U'-shaped pipe abrasive clamp member for fixing both ends to the fixing groove of the pipe polishing lower bracket plate while wrapping the pipe abrasive grinder, and to the pipe grinding grinder in a state of being inserted into the fastening groove Includes a pipe abrasive fastening bolt that is fastened and fixed,
The pipe polishing moving part is axially rotatably connected to both ends in the longitudinal direction to the shaft connecting rod so as to be arranged in parallel with the guide rail part, and the outer peripheral surface is a moving rotating shaft having a threaded part so as to be screwed to the pipe grinding unit, the length of the moving rotating shaft It is connected to one end of the direction and includes a moving driving means for generating a driving force so that the moving rotating shaft is axially rotated in a clockwise or counterclockwise direction, and the pipe polishing part screwed with the moving rotating shaft is slidably moved in the front-rear direction on the guide rail part,
The movement driving means includes the operator while controlling the distance that the sliding support of the tube polishing unit moves in the front-rear direction on the guide rail portion of the base frame while adjusting the number of rotations of the moving rotation shaft according to the length of the flange lower tube portion of the protection tube to be polished. A polishing apparatus for a temperature sensor protection tube having a movement range control unit connected to a range in which the pipe polishing grinder can be reciprocally moved on the base frame in the front and rear direction by means of a connection. The method according to claim 1,
The tube rotation clamping unit,
Tube rotation driving means connected to one side of the base frame and generating a rotational driving force for rotating the polishing target protective tube;
A polishing apparatus for a temperature sensor protection tube, which is connected to the tube rotation driving means and includes a protection tube fixing chuck fixedly coupled to the tube portion above the flange of the protection tube to be polished.


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