KR101674372B1 - Tube assembling apparatus - Google Patents

Abstract

Disclosed is a tube assembling apparatus which assembles a tube and a fitting by pressing the fitting into the tube. The tube assembling apparatus comprises: multiple jig parts consisting of a first jig and a second jig on which the tube and the fitting are detachably mounted; a movable stage installed to allow the multiple jig parts to be arranged side by side thereon and enable the first jig to move toward the second jig so that the tube and the fitting are pressed each other; a movable driving part moving back and forth the movable stage in a direction crossing a direction in which the tube and the fitting are pressed so that each of the multiple jig parts is selectively positioned at a predetermined press position; a press part installed at an outer side of the movable stage and moving the first jig of the jig parts positioned at the press position toward the second jig so that the tube and the fitting are pressed and combined to each other; and a returning part returning the first jig of the jig parts to an original position when the press part releases pressing force. According to the present invention, press fitting of a component such as fittings and a tube is made by mechanical force. As a result, it is possible to improve the efficiency of press work regardless of required pressing pressure and the press work can be performed smoothly and conveniently. In addition, the assembly of the tube and component shows good product quality and the quality can be maintained.

Description

Tube assembling apparatus

The present invention relates to a tube assembling apparatus, and more particularly, to a tube assembling apparatus which is capable of performing smooth and convenient press-fitting of parts such as a fitting member and a tube, To an assembling apparatus.

2. Description of the Related Art Generally, a variety of tubes are used for a fluid flow path in a water purifier, an air conditioner, a refrigerator, a washing machine, a coffee maker, etc., and parts such as a fitting member are connected to other tubes or components.

The connection between the tube and the component is usually accomplished by press-fitting. In this case, the operator manually performs the operation. The assembly of the tube and the parts by hand requires a lot of force, which not only causes a drastic decrease in the working efficiency but also causes a problem to the operator and the quality thereof can not be secured.

In addition, Korean Patent Registration No. 10-0257925 entitled " Heat exchanger tube assembling apparatus and assembling method "for heat exchanger has been proposed, in which a heat exchanger is installed in a hole of a partition plate disposed in a casing of a heat exchanger, A tube assembling device for electro-dynamically inserting and assembling a U-shaped tube from an opening end, the U-shaped tube having a plurality of open end portions of the U-shaped tube facing the holes of the partition plate and placed on the placement portion, Gripping means for grasping the one side of the U-shaped tube to hold it collectively and then holding the U-shaped tube so that the bent portion of each U-shaped tube is directed in the vertical direction; (Z axis) and the horizontal direction (Y axis) and around the axis center of the U-shaped tube insertion direction (X axis) by rotating the gripped tube in the vertical direction A tube positioning means for positioning the supported U-shaped tube at the insertion position with respect to the hole of the partitioning plate; means for sequentially delivering the U-shaped tube gripped by the tube holding means one by one from one end to the other; Shaped tube, the U-shaped tube taken out by the take-out means is held and held to the side of the partition plate, and the opening end portion of the U- And a tube delivery means for inserting into the hole.

However, this technique can not be applied to the tube assembly of a water purifier or the like, and therefore, the above-described problem of press fitting of the tube and the component can not be solved.

In order to solve the problems of the prior art as described above, the present invention is characterized in that the press fitting of the parts such as the fitting member and the tube is performed by the mechanical force, thereby increasing the efficiency of the press-fitting operation irrespective of the required press- And it is an object of the present invention that the press-fitting operation is performed smoothly and conveniently, and the quality of the tube and the assembly of the component is excellent and maintained constant.

Other objects of the present invention will become readily apparent from the following description of the embodiments.

According to an aspect of the present invention, there is provided an apparatus for press-fitting components into a tube, comprising: a first and a second tube, A plurality of jigs made of a second jig; Wherein the first jig is movably installed on the second jig side so that the tube and the component can be press-fit; A transport driving unit for selectively moving each of the plurality of jigs to a predetermined press-fit position by reciprocating the transport stage in a direction crossing the direction in which the tube and the component are press-fitted; A press-in portion which is provided outside the transfer stage and moves the first jig of the jig portion located at the press-in position to the second jig side so that the tube and the component are assembled by press-fitting; And a returning portion for returning the first jig of the jig portion to its original position upon release of the pressure of the press-in portion.

The first or second jig may include a fixing body formed on the replacement body for mounting the tube or the component, the fixing body being fixed on the transfer stage, and the replacement body being formed by a fitting groove and a fitting projection The replacement body can be interchangeably fixed from the fixing body by a fixing piece detachably mounted on the fitting groove and the fitting projection.

The first and second jigs are respectively formed such that the mounting groove for mounting the component and the tube are arranged in a line with each other. The mounting groove on which the tube is mounted has a connecting portion provided at an end of the tube. And the mounting groove on which the component is mounted may be formed such that the opposite side of the side facing the tube is blocked.

Wherein the press-fit portion includes: a first-stage cylinder which pushes the first jig at the press-in position so as to contact the tube with the component; And a two-stage cylinder in which the first jig is pushed by pushing the first stage cylinder so that the tube and the component are press-fitted into each other.

Wherein the first jig is guided by the LM guide in a linear motion on the transfer stage, and the first jig is guided by the LM guide on the transfer stage, The fixing part provided on the first jig and the transfer stage respectively fix both ends of the spring to provide elastic force for returning the first jig.

A tube fixing section for fixing the tube positioned at the press-in position within the mounting groove by a fixing member that ascends and descends by driving of the fixed actuator; And a tube aligning portion for aligning an end projecting from the mounting groove to the component side in the tube positioned at the press fitting position by an alignment reference member which is raised and lowered by driving of the alignment actuator.

A manipulation portion for selectively positioning each of the plurality of jigs at the press-in position to manipulate the press-fitting of the tube and the component to be performed; And a press-fitting pressure regulator for regulating the press-in pressure of the press-in portion.

According to the tube assembling apparatus of the present invention, it is possible to increase the efficiency of the press-fitting operation irrespective of the required press-fitting pressure by allowing the mechanical force to press-fit the components such as the fitting member and the tube, And can be performed conveniently, and the quality of the assembly of the tube and the component can be kept excellent while being excellent.

1 is a perspective view showing a tube assembling apparatus according to an embodiment of the present invention.
2 is a perspective view showing a first jig of a tube assembling apparatus according to an embodiment of the present invention.
3 is a perspective view showing a second jig of the tube assembling apparatus according to one embodiment of the present invention.
4 to 9 are plan views illustrating the operation of the tube assembling apparatus according to one embodiment of the present invention.

The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated and described in detail in the drawings. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention, And the scope of the present invention is not limited to the following examples.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant explanations thereof will be omitted.

1 is a perspective view showing a tube assembling apparatus according to an embodiment of the present invention.

Referring to FIG. 1, a tube assembling apparatus 100 according to one embodiment of the present invention is an apparatus for press-fitting a component 20 into a tube 10, and includes jigs 100 and 200, a transfer stage 300, A driving unit 400, a press-in unit 500, and a return unit 600. [

The tube 10 is a tubular member that allows movement of the fluid. The tubular member 10 can be made of a flexible material or a material that is not easily deformable. If necessary, the tube 10 can be easily connected to the component 20 at the end, A connecting portion 11 for connecting the first and second connecting portions 3 and 4 to each other. The component 20 can be, for example, a fitting member that allows the tube 10 to be connected to other tubes or components, but may be any member of various structures and materials connected to the tube 10, The insertion portion 21 can be press-fitted into the tube 10. In addition, the assembly of the tube 10 and the component 20 can be used to provide a fluid pathway in an air conditioner, a refrigerator, a washing machine, a coffee maker, and the like.

The jigs 100 and 200 are composed of a first and a second jig 110, 120, 210 and 220, in which one of the tube 10 and the other 20 is removably mounted, 2, but is not necessarily limited thereto. In this embodiment, the component 20 is mounted on the first jig 110 and 210 and the tube 10 is mounted on the second jig 120 and 220. However, The tube 10 may be mounted on the first and second jigs 120 and 220, and the component 20 may be mounted on the second jig 120 and 220.

The transfer stage 300 is provided such that a plurality of jigs 100 and 200 are arranged in parallel to the upper surface and the first jig 110 and the second jig 110 are inserted into the second jig 120 and 220 side And is movably installed. The first jig 110 and the second jig 110 can be linearly guided by the LM guide 310 provided on the transfer stage 300 and can be stopped at a predetermined position by the return unit 600, A stopper may be provided on the transfer stage 300 or itself.

The transfer driving unit 400 reciprocates the transfer stage 300 in the direction intersecting the direction in which the tube 10 and the component 20 are press-fitted so that each of the plurality of jig portions 100 and 200 is selectively moved to the predetermined press- . Various linear actuators such as a linear motor, a cylinder, a rotary motor and a ball screw may be used for the reciprocating linear motion of the transfer stage 300. In this embodiment, the transfer stage 300 and the mounting surface And at least one LM guide 420 installed on the mounting surface so as to guide linear movement of the transfer stage 300. The linear actuator 410 may include a linear actuator 410 installed on the transfer stage 300, Meanwhile, the linear actuator 410 operates by receiving a control signal of the control unit for controlling the position of the jigs 100 and 200. The control unit controls the linear motion of the transfer stage 300 can be controlled by receiving a sensing signal output from a sensor such as a contact sensor or an optical sensor for sensing the linear actuator 410.

The linear actuator 410 may include, for example, a stator 411 provided on an installation surface and a mover 412 installed on the transfer stage 300. By supplying a current to a coiler located in a magnetic field, (Thrust) by a force of a magnetic force. Depending on the configuration of the mover, both the movable coil type and the movable permanent magnet type can be applied. At both ends of the stator 411 are provided a shock absorber unit 430 which serves as a stopper for restricting the deviation of the transfer stage 300 and buffers the impact with the transfer stage 300 by an elastic material member, .

The press-fitting part 500 is installed on the outer side of the transfer stage 300 and moves the first jig 110 and 210 of the jig parts 100 and 200 located at the press-in position to the second jig 120 and 220 side, 20) are assembled by press-fitting. 5 and 8, the first jig 110 and the second jig 110 of the press-in position are pushed to connect the tube 10 and the part 20 (see FIG. 8) And the first jig 110 and the second jig 110 are pushed by pushing the first stage cylinder 510 as shown in Figs. 6 and 9 so that the connection part 11 of the tube 10 and the part And a second-stage cylinder 520 for allowing the insertion portion 21 of the second arm 20 to be press-fitted into each other. The first stage cylinder 510 may be provided with a pressure stage 512 for pushing the first jig 110 and 210 at the end of the piston rod 511. The pressure stage 512 may be provided to the first jig 110, Such as silicone, urethane or rubber, so as to prevent corrosion.

The press-fit portion 500 may be configured such that the first-stage cylinder 510 reciprocating by the second-stage cylinder 520 is guided by the LM guide 530 in a linear motion. At this time, a guide member 513 linearly moving along the LM guide 530 may be fixed to the side portion, for example, the lower portion of the first-stage cylinder 510. In addition, the second-stage cylinder 520 is fixed to the first-stage cylinder 510 by a piston rod 521. If necessary, a first-stage cylinder 510 510, and may be fixed to a fixing table 540 located on the mounting surface as in the present embodiment, in order to be fixed at a predetermined position. In the present invention, the mounting surface may be, for example, the upper surface of the work table. Also, the reciprocating cylinder for reciprocating the piston rods 511 and 521 may be used for the first and second cylinders 510 and 520.

The return unit 600 returns the first jigs 110 and 210 of the jigs 100 and 200 to their original positions when the press-fitting unit 500 is released from the pressure. The return unit 600 may be formed of various members or devices for generating the return force using electric energy or fluid energy for returning the first jig 110 or 210. Alternatively, as in the present embodiment, the first jig 110 And both ends of the spring 630 are fixed by the fixing portions 610 and 620 respectively provided on the transfer stage 300 and the transfer stage 300 so as to provide an elastic force for returning the first jig 110 and the second jig 110.

The tube assembling apparatus according to an embodiment of the present invention may further include a tube fixing portion 810 and a tube aligning portion 820 and further includes operation portions 710 and 720 and a press fitting pressure adjusting portion 900 . Here, the tube fixing part 810 and the tube aligning part 820 may be fixed to a fixing frame 830 installed to be positioned above the transfer stage 300.

The tube fixing portion 810 fixes the tube 10 located at the press fitting position within the mounting grooves 126 and 226 by a fixing member 812 which is lifted and lowered by driving of a fixed actuator 811 such as a cylinder. The operation of the fixed actuator 811 is such that the fixing member 812 is lowered in the press-fitting process so that the tube 10 is brought into close contact with the mounting grooves 126 and 226 and the fixing member 812 is lifted when the press- (Not shown) that controls the press-fitting operation to be performed in accordance with a predetermined process, and furthermore, it is possible to perform various operations, such as a magnet sensor, a photo sensor, or a contact sensor Or by sensing the first jig 110, 210 located at the press-in position by the sensor.

The tube aligning portion 820 projects from the mounting grooves 126 and 226 to the component 20 side in the tube 10 positioned at the press fitting position by the alignment reference member 822 ascended and descended by driving of the alignment actuator 821 such as a cylinder or the like. To align the edges of the edges. The tube aligning portion 820 is configured such that when the end of the tube 10 positioned at the press fitting position protrudes from the mounting recess 126 or 226 toward the component 20 side, The alignment reference member 822 is raised by driving the alignment actuator 821 so as not to interfere with the protrusions of the tube 10 when the jigs 100 and 200 are moved, The alignment reference member 822 is lowered and guided so as to be aligned by supporting the protruding portion side portion of the tube 10.

The manipulation units 710 and 720 selectively position each of the plurality of jigs 100 and 200 in the press-in position to manipulate the pressurization of the tube 10 and the component 20 to be performed. To this end, have. Therefore, the operation portions 710 and 720 are operated by the operator to perform the press-fitting operation after unloading and loading the tube 10 and the component 20 with respect to the jigs 100 and 200. When the control portion operates the operation signals of the operation portions 710 and 720 And control to perform a predetermined process. Also, in this embodiment, two operation portions 710 and 720 may be provided so as to manipulate the operation of the press-fitting operation for each of the two jigs 100 and 200.

The press-fitting pressure regulating portion 900 controls the press-fitting pressure of the press-fitting portion 500 so that the tube 10 and the component 20 are press-fitted to a desired pressure so that the tube 10 and the component 20 are not press- Or excessive overpressure can be achieved by adjusting the fluid pressure applied to one or both of the first stage cylinder 510 and the second stage cylinder 520, A control lever, a dial switch, or the like may be provided so that the pressure applied to the press-fitting portion 500 can be controlled by adjusting the degree of opening and closing of the valve, the pumping force, and the like.

Referring to FIG. 2, the first jig 110 and the second jig 110 are fixed to the transfer stage 300 by mounting grooves 116 and 216 for mounting the tube 10 or the component 20 on the replacement bodies 111 and 211, The fixing bodies 113 and 213 and the replacing bodies 111 and 211 are engaged with each other by the fitting grooves 112 and 212 and the fitting protrusions 114 and 214 so as to be fixed to the fitting recesses 112 and 212 and the fitting protrusions 114 and 214, The replacement bodies 111 and 211 can be interchangeably fixed from the fixed bodies 113 and 213 by the pieces 115 and 215. [ In this embodiment, the fitting bodies 114 and 214 are formed in the fixed bodies 113 and 213 and the fitting grooves 112 and 212 are formed in the replacement bodies 111 and 211. However, the fitting bodies 112 and 212 may be formed opposite to each other. The fixing members 115 and 215 may be in the form of a bolt screwed to the fixing bodies 113 and 213 and the replacement bodies 111 and 211 and may be formed in a pin shape to be detached from the fixing bodies 113 and 213. However, have. In this way, the replacement bodies 111 and 211 can be replaced in accordance with the shapes and specifications of the tube 10 or the component 20 to be fixed.

3, the second jig 120 or 220 is formed by mounting grooves 126 and 226 for mounting the tube 10 or the component 20 on the replacement bodies 121 and 221 and fixing them on the transfer stage 300 The fixing bodies 123 and 223 and the replacement bodies 121 and 212 are engaged with the fitting grooves 122 and 222 and the fitting protrusions 124 and 224 so as to be detachably fitted to the fitting recesses 122 and 222 and the fitting protrusions 124 and 224, The replacement bodies 121 and 221 can be interchangeably fixed from the fixing bodies 123 and 223 by the pieces 125 and 225. [ In this embodiment, although the fitting protrusions 124 and 224 are formed on the fixed bodies 123 and 223 and the fitting grooves 122 and 222 are formed on the replacement bodies 121 and 221, the invention is not limited thereto and the protrusions 124 and 224 may be formed opposite to each other. The fixing members 125 and 225 may be in the form of a bolt that is screwed to the fixing bodies 123 and 223 and the replacement bodies 121 and 221 and may be formed in a pin shape to be detached from the fixing bodies 125 and 225. However, have. In this manner, the replacement bodies 121 and 221 can be replaced by those suitable for the shape and size of the tube 10 or the component 20 to be fixed.

The first and second jigs 110, 120, 210 and 220 are respectively formed such that the mounting grooves 116, 126, 216 and 226 for mounting the component 20 and the tube 10 respectively are aligned with each other and the mounting grooves 126 and 226 The fitting portions 127 and 227 can be formed on the side facing the component 20 so that the connection portion 11 provided at the end of the tube 10 is caught and the mounting grooves 116 and 216, So that the opposite side of the side facing toward the substrate 10 is cut off. Accordingly, the gap between the first and second jigs 110, 120, 210, and 220 is narrowed so that the tube 10 and the component 20 can not be displaced in the direction opposite to the press-in direction. The mounting grooves 116, 126, 216, and 226 formed in the first and second jigs 110, 120, 210 and 220 respectively have a groove structure corresponding to the shape of the mounting object, that is, the tube 10 or the component 20, Or an open structure in which the components 20 can be separated.

The operation of the tube assembling apparatus according to the present invention will be described by way of example.

4, the worker mounts the component 20 and the tube 10 on the first and second jigs 110 and 120 of the jig 100 and then transfers the jig 100 to the transfer driver 400 5, the first jig 110 is pushed by the operation of the first-stage cylinder 510 so that the insertion of the part 20 is performed by the movement of the transfer stage 300, The connecting portion 11 of the tube 21 and the tube 10 are brought into contact with each other and the first jig 110 is moved together with the first stage cylinder 510 by the operation of the second stage cylinder 520, So that the insertion portion 21 of the component 20 is press-fitted into the connection portion 11 of the tube 10. When the first and second cylinders 510 and 520 are returned, the pressure applied to the first jig 110 is released, and the first jig 110 is returned to the original position by the elastic force of the spring 630 . Then, the operator unloads the assembly of the tube 10 and the component 20. [

7 to 9, the jig 200, in which the part 20 and the tube 10 are mounted to the first and second jigs 210 and 220, is driven by the operator to drive the feed driving part 400 The tube 10 and the component 20 are moved by the two-step press-fitting of the press-in portion 500 as in the case of the jig portion 100 described above, .

As described above, according to the present invention, it is possible to increase the efficiency of the press-fitting operation irrespective of the required press-fitting pressure by allowing the mechanical force to press-fit the components such as the fitting member and the tube, And the quality of the assembly of the tube and the component can be kept excellent and good.

Although the present invention has been described with reference to the accompanying drawings, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

10: tube 11: connection
20: part 21: insertion part
100, 200: jig 110, 210: first jig
111, 211: Replacement body 112, 212: Fitting groove
113, 213: Fixing body 114, 214:
115, 215: fixing piece 116, 216: mounting groove
120, 220: second jig 121, 221: replaceable body
122, 222: fitting grooves 123, 223: fixed body
124, 224: fitting projections 125, 225:
126, 226: mounting groove 127, 227:
300: Transfer stage 310: LM guide
400: a transport driving part 410: a linear actuator
411: Stator 412: Mover
420: LM guide 430: buffer unit
500: press-in portion 510: single-stage cylinder
511: Piston rod 512: Pressure stage
513: guide member 520: two-stage cylinder
521: Piston rod 530: LM guide
540: Fixing table 600:
610,620: Fixing portion 630: Spring
710 and 720: an operation part 810:
811: Fixed actuator 812: Fixing member
820: tube aligning part 821: alignment actuator
822: alignment reference member 830: fixed frame
900: Indentation pressure regulator

Claims (7)

An apparatus for press-fitting a component into a tube,
A plurality of jigs composed of first and second jigs in which the tube and one of the components and the other are removably mounted;
Wherein the first jig is movably installed on the second jig side so that the tube and the component can be press-fit;
A transport driving unit for selectively moving each of the plurality of jigs to a predetermined press-fit position by reciprocating the transport stage in a direction crossing the direction in which the tube and the component are press-fitted;
A press-in portion which is provided outside the transfer stage and moves the first jig of the jig portion located at the press-in position to the second jig side so that the tube and the component are assembled by press-fitting;
A returning unit for returning the first jig of the jig to an original position when the press-fitting of the press-fitting unit is released;
A tube fixing portion for fixing the tube positioned at the press-in position within the mounting groove by a fixing member that ascends and descends by driving of the fixed actuator;
A tube aligning portion for aligning an end protruding from the mounting groove to the component side in the tube located at the press fitting position by an alignment reference member which is lifted by the driving of the alignment actuator;
A manipulation portion for selectively positioning each of the plurality of jigs at the press-in position to manipulate the press-fitting of the tube and the component to be performed; And
A press-fitting pressure regulator for regulating the press-in pressure of the press-in portion;
Lt; / RTI >
The press-
Stage cylinder for pushing the first jig at the press-in position to bring the tube into contact with the component, a two-stage cylinder in which the first jig is pushed by pushing the first-stage cylinder so that the tube and the component are press- Including,
The press-
The first stage cylinder reciprocating by the two-stage cylinder is linearly guided by the LM guide,
The first jig includes:
A linear motion is guided by the LM guide on the transfer stage,
The return unit may include:
Wherein both ends of the spring are fixed by the fixing portions provided on the first jig and the transfer stage, respectively, thereby providing an elastic force for returning the first jig. The method according to claim 1,
Wherein the first or second jig includes:
Wherein the tube or the mounting groove for mounting the component is formed on the replacement body, the fixing body fixed on the transfer stage, and the replacement body are concavo-convex coupled to each other by the fitting groove and the fitting projection, And the replaceable body is replaceably fixed from the fixed body by a fixing piece detachably mounted on the fitting projection. The method according to claim 1 or 2,
The first and second jigs may be formed of,
The mounting groove for mounting the component and the tube are respectively arranged in a line,
The mounting groove, on which the tube is mounted,
A hook is formed so that a connection portion provided at an end of the tube is hooked,
The mounting groove, on which the component is mounted,
And the opposite side of the side facing the tube is formed to be cut off. delete delete delete delete

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