KR20160015738A - Auto fusion apparatus - Google Patents

Auto fusion apparatus Download PDF

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Publication number
KR20160015738A
KR20160015738A KR1020140098380A KR20140098380A KR20160015738A KR 20160015738 A KR20160015738 A KR 20160015738A KR 1020140098380 A KR1020140098380 A KR 1020140098380A KR 20140098380 A KR20140098380 A KR 20140098380A KR 20160015738 A KR20160015738 A KR 20160015738A
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KR
South Korea
Prior art keywords
unit
solenoid valve
heater
cylinder
present
Prior art date
Application number
KR1020140098380A
Other languages
Korean (ko)
Inventor
박경호
Original Assignee
주식회사 엠엠피
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엠엠피 filed Critical 주식회사 엠엠피
Priority to KR1020140098380A priority Critical patent/KR20160015738A/en
Publication of KR20160015738A publication Critical patent/KR20160015738A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5224—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
    • B29C66/52241—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces with two right angles, e.g. for making T-shaped pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The present invention relates to an automatic welding machine. According to an embodiment of the present invention, a servo control solenoid valve is provided between a power pack unit and a first cylinder part coupled to a clamp unit so as to precisely control a moving distance and the moving speed of the clamp unit which clamps a pipe member, thereby increasing welding quality.

Description

[0001]

The present invention relates to an automatic welding machine.

The pipe connecting device connects the pipe through which the fluid such as oil, gas, water including cold / hot water flows, and the pipe structure is designed in various ways according to the usage method of the fluid.

For example, depending on the environment of the installation site, it may be possible to connect two different pipes such as a synthetic pipe and a metal pipe, or cut the pipe to a predetermined length even if it is a single pipe, , An open / close valve may be connected between the tube and the tube to block or allow the flow of fluid manually.

In this case, the pipe connection device is applied variously to the piping field. In this case, in particular, a method using electric fusion is used in order to connect the pipe of the synthetic resin material in a tightly maintained state. Sectional view showing a pipe connecting apparatus using the same.

That is, the heat generating ring 103 for electric fusion is inserted into the inner circumferential surface of the tube connection device 101 and the synthetic connection tube 107 is inserted into the electric connection terminal 107 provided in the heat generating ring 103, The heat generating ring 103 generates heat when external power is supplied thereto. The surface to which the tube connecting device 101 and the synthetic resin tube 105 are connected is melted and fused while being cooled.

However, in such a conventional pipe connecting apparatus, there is a problem that the insertion amount of the synthetic resin pipe inserted into the pipe connecting apparatus can not be precisely controlled, and the quality of fusion is deteriorated.

On the other hand, the technique of the above-described pipe connecting device is described in detail in the following prior art documents in detail.

Japanese Patent Application Laid-Open No. 10-00685

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above background, and it is an object of the present invention to provide a servo control solenoid valve between a first cylinder part coupled to a clamp unit and a power pack unit to precisely measure a moving distance and a moving speed of a clamp unit And an object of the present invention is to provide an automatic welding machine capable of controlling the welding.

The objects of the present invention are not limited thereto, and other objects not mentioned may be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a clamping apparatus comprising: a clamp unit movably mounted on a frame unit and clamping a tube member; A heater unit movably or rotatably mounted on the frame unit and applying heat to the tubular member; A first cylinder part coupled to the clamp unit, a second cylinder part coupled to the heater unit, and a second cylinder part coupled to the power unit. The power unit includes: And a transfer unit including a first solenoid valve provided between the unit and the first cylinder unit and a second solenoid valve provided between the power pack unit and the second cylinder unit. do.

According to an embodiment of the present invention, a servo control solenoid valve is provided between the first cylinder part coupled to the clamp unit and the power pack unit, so that the moving distance and the moving speed of the clamp unit for clamping the pipe member can be precisely controlled So that the welding quality can be improved.

1 is a cross-sectional view showing a pipe connecting apparatus using conventional electric welding.
2 is a front view of an automatic welding machine according to an embodiment of the present invention.
3 is a plan view of an automatic fusing device according to an embodiment of the present invention.
4 is a right side view of an automatic welding machine according to an embodiment of the present invention.
5 is a structural view showing a hydraulic circuit of a transfer unit of an automatic fusing device according to an embodiment of the present invention.
6 is a structural view showing a hydraulic circuit of a transfer unit of an automatic fusing device according to another embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference numerals even though they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

2 is a front view of an automatic welding machine according to an embodiment of the present invention. 3 is a plan view of an automatic fusing device according to an embodiment of the present invention. 4 is a right side view of an automatic welding machine according to an embodiment of the present invention. 5 is a structural view showing a hydraulic circuit of a transfer unit of an automatic fusing device according to an embodiment of the present invention. 6 is a structural view showing a hydraulic circuit of a transfer unit of an automatic fusing device according to another embodiment of the present invention.

As shown in these drawings, the automatic fusing device 200 according to the embodiment of the present invention includes clamp units 203 and 205 movably mounted on a frame unit 201 and clamping a tube member; A heater unit (207) movably or rotatably mounted on the upper portion of the frame unit (201) and applying heat to the tube member; A power pack unit 209 for providing a driving force for moving the clamp units 203 and 205 and moving or rotating the heater unit 207, first cylinder parts 301 and 303 coupled to the clamp units 203 and 205, A first solenoid valve 501 and 503 provided between the power pack unit 209 and the first cylinder units 301 and 303 and a second solenoid valve 501 and 503 provided between the power pack unit 209 and the second cylinder unit 301, And a transfer unit (500) including a second solenoid valve (505) provided between the first and second units (401).

The frame unit 201 includes a lower frame 211, a side frame 213 and an upper frame 215. The lower frame 211 is provided with a moving means 217, A control switch 221 for controlling the clamp units 203 and 205, the heater unit 207, the transfer unit 500,

A power pack unit 209 and a solenoid valve to be described later are provided inside the frame unit 201.

On the other hand, clamp units 203 and 205 are provided on the upper portion of the frame unit 201 (more specifically, on the upper side of the upper frame 215). The clamp units 203 and 205 clamp the pipe members.

These clamp units 203 and 205 include a first clamp unit 203 for clamping one tube member and a second clamp unit 205 for clamping the other tube member (or accessory).

Each of the clamp units 203 and 205 is divided into a portion 701 for gripping the upper portion of the tube member and a portion 703 for holding the lower portion of the tube member, and includes a portion 701 for holding the upper portion of the tube member, The lower portion holding portion 703 is engaged or separated in accordance with the operation of the fixing handle 707 provided to rotate around the rotary shaft 705 at the portion 703 for holding the lower portion of the tube member.

In addition, each of the clamp units 203 and 205 is movable in the left and right direction of the upper frame to perform the fusion bonding operation of the pipe member.

The heater unit 207 is installed on the upper part of the frame unit 201 so that the heater unit 207 applies heat to the pipe member. Hereinafter, the heater unit 207 is mounted on the frame unit 201 As shown in FIG.

The heater unit 207 includes a heater plate 403; A connecting portion 407 formed at one end of the heater plate 403 and connected to the frame unit 201 by a pivot 405; And an extension coupling part 411 extended from one side of the heater plate 403 and coupled to the driving shaft 409 of the second cylinder part 401.

The heater plate 403 functions to apply heat to the tube member. The heater plates 403 can be detachably coupled to both sides of the heater plate 403. In FIG. 8, And a heater face 803 detachably attached to the other side of the heater plate 403. As shown in Fig.

Here, the heater face 801 heats the inner circumferential surface of the tube member, and the heater face 803 heats the outer circumferential surface of the tube member. The heater face 801 is provided in various sizes depending on the diameter of the tube member.

Of course, since the heater faces 801 and 803 are provided in various sizes, the heater faces 801 and 803 are fixed to the heater plate 403 by fixing members such as bolts in order to be detachably attached to the heater plate 403 according to the size of the tube members. Can be combined.

The connection portion 407 is formed at one end of the heater plate 403 and the connection portion 407 is coupled to the frame unit 201 (more specifically, the upper frame 215) via the pivot 405 .

The extended coupling portion 411 extends from one side of the heater plate 403. The driving shaft 409 of the second cylinder portion 401 is coupled to the extended coupling portion 411, And the lower end is rotatably coupled to the frame unit 201 (more specifically, the side frame 213).

Since the heater unit 207 is rotatably coupled to the frame unit 201 and the second cylinder unit 401 provides the rotational driving force to the heater unit 207, (Refer to FIG. 4) and is disposed between the clamp units 203 and 205. When the welding operation is completed, the heater unit 207 rotates clockwise (reference to FIG. 4) So that it can be easily removed from the units 203 and 205.

The transfer unit 500 includes a power pack unit 209 for providing a driving force for moving the clamp units 203 and 205 and for moving or rotating the heater unit 207 and a second cylinder unit 209 coupled to the clamp units 203 and 205. [ First and second solenoid valves 501 and 503 provided between the power pack unit 209 and the first cylinder units 301 and 303 and a second solenoid valve 501 and 503 provided between the power pack unit 209 and the first cylinder units 301 and 303, And a second solenoid valve 505 provided between the first cylinder portion 209 and the second cylinder portion 401.

The power pack unit 209 provides a driving force to the clamp units 203 and 205 and the heater unit 207. The power pack unit 209 includes, for example, a motor 219; A pump 507; A fluid tank 509, and the like.

That is, the power pack unit 209 supplies the fluid in the fluid tank to the cylinder units 301, 303 and 401 through the solenoid valves 501, 503 and 505 to be moved by the motor 219 and the pump to move the clamp units 203 and 205, The driving force for the movement or the rotation of the driving force transmission mechanism.

The first cylinder part 301 is coupled to the clamp unit 203 to move the clamp unit 203 and the first cylinder part 303 and the second cylinder part 303 are connected to the clamp units 203 and 205, Is coupled to the clamp unit 205 so that the clamp unit 203 is moved.

The second cylinder 401 is coupled to the heater unit 207. The drive shaft 409 of the second cylinder 401 is coupled to the extension 411 of the heater plate 403, And the lower end of the second cylinder 401 is rotatably coupled to the side frame 213).

The first solenoid valves 501 and 503 are provided between the power pack unit 209 and the first cylinder units 301 and 303. The first solenoid valves 501 and 503 are controlled by pressure control or flow rate control or servo control It is provided as a solenoid valve.

Servo control is a kind of feedback control that allows the control amount to follow the target value. In order to accurately detect the position and the speed, servo control is a method of detecting the position of a speed sensor or encoder such as a tacho generator, The error signal is generated by comparing the target value with the current control amount by feeding back the signal of the detector. Then, the error signal is inputted to the controller designed based on the mathematical model of the control object, and the controller outputs an operation signal .

In the case of the servo control solenoid valve according to the embodiment of the present invention, for example, it has an internal LVDT (SPOOL POSITION SENSOR) to receive the SPOOL position feedback within the valve and also receive the feedback signal from outside the valve, For example, when receiving an external signal under pressure, the valve can be operated to shut off the flow when the set pressure is reached.

The second solenoid valve 505 is provided between the power pack unit 209 and the second cylinder 401. The second solenoid valve 505 is used for pressure control or flow control or the like as in the first solenoid valves 501, It is provided as a servo control solenoid valve that performs pressure and flow control.

The first solenoid valves 501 and 503 and the second solenoid valve 505 are provided as servo control solenoid valves so that the movement amounts of the clamp units 203 and 205 and the movement amount or the rotation amount of the heater unit 207 can be accurately and precisely controlled Not only the movement speed and the rotation speed of these components can be precisely controlled.

5 shows an example in which the solenoid valves 501, 503, and 505 are provided as servo-proportional control solenoid valves for controlling the flow rate and the pressure. In FIG. 6, the solenoid valves 501, 503, and 505 are servo-proportional control solenoid valves An example provided is shown.

According to an embodiment of the present invention having the structure as described above, a servo control solenoid valve is provided between the first cylinder part coupled to the clamp unit and the power pack unit, and the moving distance of the clamp unit for clamping the pipe member And the moving speed can be precisely controlled and the welding quality can be improved.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them.

It is also to be understood that the terms such as " comprises, "" comprising," or "having ", as used herein, mean that a component can be implanted unless specifically stated to the contrary. But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

200: Automatic welding machine
201: frame unit
203, 205: clamp unit
207: Heater unit
209: Power pack unit
211: Lower frame
213: side frame
215: upper frame
217: Moving means
219: Motor
301, 303:
401:
403: Heater plate
405:
407:
409:
411:
500: Feed unit
501, 503: first solenoid valve
505: Second solenoid valve
507: Pump
509: Fluid tank

Claims (4)

A clamp unit movably provided on an upper portion of the frame unit and clamping the pipe member;
A heater unit movably or rotatably mounted on the frame unit and applying heat to the tubular member; And
A first cylinder part coupled to the clamp unit, a second cylinder part coupled to the heater unit, and a second cylinder part coupled to the power pack unit, And a second solenoid valve disposed between the power pack unit and the second cylinder unit, wherein the first solenoid valve is disposed between the first solenoid valve and the first cylinder unit.
And an optical fiber. The method according to claim 1,
The first solenoid valve includes:
And a servo control solenoid valve for performing pressure control or flow control or pressure and flow control. 3. The method of claim 2,
Wherein the second solenoid valve comprises:
And a servo control solenoid valve for performing pressure control or flow control or pressure and flow control. The method according to claim 1,
The heater unit
Heater plate;
A connection part formed at one end of the heater plate and connected to the frame unit through a rotation shaft; And
An extension coupling portion extending from one side of the heater plate and coupled to the drive shaft of the second cylinder portion;
And an optical fiber.
KR1020140098380A 2014-07-31 2014-07-31 Auto fusion apparatus KR20160015738A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140098380A KR20160015738A (en) 2014-07-31 2014-07-31 Auto fusion apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140098380A KR20160015738A (en) 2014-07-31 2014-07-31 Auto fusion apparatus

Publications (1)

Publication Number Publication Date
KR20160015738A true KR20160015738A (en) 2016-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140098380A KR20160015738A (en) 2014-07-31 2014-07-31 Auto fusion apparatus

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016121330A1 (en) 2016-02-11 2017-08-17 Hyundai Motor Company A system and method for controlling a valve timing of a continuously variable valve duration engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016121330A1 (en) 2016-02-11 2017-08-17 Hyundai Motor Company A system and method for controlling a valve timing of a continuously variable valve duration engine

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Free format text: TRIAL NUMBER: 2016101006619; TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20161123

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