KR101019038B1 - Apparatus for Repacing Nozzle - Google Patents

Abstract

The present invention includes a main body in which a plurality of insertion grooves into which a nozzle is inserted is formed, a moving member including a plurality of contact members contacting the nozzles and movably coupled to the main body, and coupled to the moving member and the insertion groove. And a drive unit for moving the moving member between a first position through which the nozzles can be inserted into the nozzle and a second position where the nozzles contact the contact members, respectively. ,

According to the present invention by implementing a simple operation to replace the nozzles accurately and easily, it is possible to improve the ease and accuracy of the nozzle replacement operation.

Nozzle, Electronic Component, Electronic Component Transfer Device

Description

Nozzle replacement device {Apparatus for Repacing Nozzle}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface mounter, and more particularly, to a nozzle replacing apparatus for replacing a nozzle for absorbing an electronic component in an electronic component transport apparatus for mounting an electronic component on a printed circuit board.

Integrated circuits, resistors or switches (hereinafter referred to as "electronic components") are mounted on a printed circuit board (PCB) and electrically connected. Equipment for automatically mounting such electronic components on a printed circuit board using surface mount technology (SMT) is a surface mounter, also called a mounter.

1 is a perspective view schematically showing a general surface mounter, and FIG. 2 is a plan view schematically showing a general surface mounter.

1 and 2, the surface mounter 10 supplies a supply unit 11 to supply electronic components to be mounted on the printed circuit board, and picks up the electronic component from the supply unit 11 to the printed circuit board P. Referring to FIGS. The electronic component conveyance apparatus 12 mounted, and the conveyance part 13 which conveys the printed circuit board P are included. While the electronic components are mounted on the printed circuit board P by the electronic component transfer device 12, the printed circuit board P is positioned at the mounting position A. FIG.

After the electronic component transfer device 12 picks up a plurality of electronic components from the supply unit 11 and moves them to the mounting position A, the picked-up electronic components are located on the mounting position A. Mount on P).

The electronic component transfer device 12 includes a plurality of nozzles 121 for adsorbing electronic components so that a plurality of electronic components can be transferred from the supply unit 11 to the mounting position A at one time.

The electronic component transfer device 12 includes nozzles 121 corresponding to the specifications of the electronic component, such as the size, thickness, and weight of the electronic component to be mounted on the printed circuit board. If the specification of the electronic component to be mounted on the printed circuit board is changed, the nozzles 121 should be replaced.

When there are more types of electronic components to be mounted on the printed circuit board than the number of nozzles 121 included in the electronic component transfer apparatus 12, the nozzles 121 may be replaced even during the mounting operation.

However, in the surface mounter 10 according to the related art, since the nozzles 121 are manually replaced, the operation of replacing the nozzles 121 is inefficient. In addition, the electronic component transport apparatus 12 may include different types of nozzles 121 to adsorb electronic components having different specifications. In this case, there is a problem that the inefficiency of replacing the nozzles 121 is further increased.

The present invention has been made to solve the above problems, an object of the present invention is to provide a nozzle replacement apparatus that can easily replace the nozzles.

In order to achieve the object as described above, the present invention includes the following configuration.

Nozzle replacement apparatus according to the present invention includes a main body is formed with a plurality of insertion grooves for inserting the nozzle; A moving member including a plurality of contact members contacting the nozzles and movably coupled to the main body; And moving the movable member between a first position coupled with the movable member and a first position through which the nozzles are inserted into the insertion grooves, and a second position contacting the contact members to the nozzles, respectively. It may include a drive unit.

According to the present invention, the following effects can be obtained.

According to the present invention, the nozzles can be easily and accurately replaced by a simple operation, thereby achieving an effect of improving the ease and accuracy of the nozzle replacement operation.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the nozzle replacement apparatus according to the present invention will be described in detail.

Figure 3 is a front view schematically showing a general electronic component transfer device, Figure 4 is a perspective view showing a nozzle replacement device according to the present invention, Figure 5 shows a main body, a moving member, and a coupling member in the nozzle replacement device according to the present invention. 6A is a plan view illustrating a state in which a moving member is positioned at a first position in the nozzle replacing apparatus according to the present invention, and FIG. 6B is a plan view illustrating a state in which the moving member is positioned at a second position in the nozzle replacing apparatus according to the present invention. 7 is a front view illustrating a coupling relationship between a nozzle, a main body, a moving member, and a coupling member in the nozzle replacement apparatus according to the present invention.

First, referring to Figures 3 and 4 will be described an embodiment of a general electronic component transfer device 100 used in the nozzle replacement apparatus 1 according to the present invention.

The electronic component transfer device 100 includes a plurality of nozzle sockets 101 and a nozzle 200 to transfer a plurality of electronic components at a time.

The nozzle 200 is detachably coupled to the nozzle socket 101. The electronic component may be adsorbed to the nozzle 200 by the fluid pressure flowing through the nozzle socket 101 and the nozzle 100.

The nozzle 200 is detachably coupled to the nozzle socket 101. The electronic component transfer device 100 may include a nozzle 200 corresponding thereto according to the specifications of the electronic component, such as the size, thickness, and weight of the electronic component to be mounted on the printed circuit board.

The nozzle 200 includes an adsorption member 201 in direct contact with an electronic component, an insertion member 202 inserted into the nozzle socket 101, and a seating member 203.

A groove 2021 is formed in the insertion member 202. The nozzle 200 may be coupled to the nozzle socket 101 by inserting a pressing member (not shown) installed in the nozzle socket 101 into the groove 2021 to elastically apply a force. .

The seating member 203 may be formed between the suction member 201 and the insertion member 202. The seating member 203 may be formed in a disk shape having a predetermined thickness as a whole. The seating member 203 may be seated on the main body 2 of the nozzle replacement apparatus 1.

3 and 4, the nozzle replacement apparatus 1 according to the present invention includes a main body 2, a moving member 3, and a drive unit 4.

The main body 2 is provided with a plurality of insertion grooves 21 into which the nozzle 200 is inserted. The suction member 201 of the nozzle 200 may be inserted into the insertion groove 21.

The main body 2 may be formed in a rectangular plate shape having a predetermined thickness as a whole. The insertion groove 21 may be a cylindrical groove formed by recessing a predetermined depth in the upper surface of the body (2).

Referring to FIG. 6A, the main body 2 includes a separation region A into which the nozzles 200 coupled to the semiconductor device transfer device 100 are inserted and a nozzle to be coupled to the semiconductor device transfer device 100. A plurality of insertion grooves 21 may be formed in the replacement area B into which the 200 is inserted.

When the semiconductor device transfer device 100 inserts the nozzles 200 coupled to the nozzle sockets 101 into the insertion grooves 21 formed in the separation area A, the nozzle replacement apparatus is provided. (1) allows the nozzles 200 inserted into the insertion grooves 21 to be separated from the nozzle sockets 101.

The new nozzles 200 to be replaced are inserted into the insertion grooves 21 formed in the replacement area B, and the semiconductor device transfer device 100 is coupled to the nozzle sockets 101. After the nozzles 200 were left in the insertion grooves 21 of the separation area A, the nozzles 200 inserted into the insertion grooves 21 of the replacement area B were inserted into the nozzle sockets 101. To be combined).

As such, the nozzle replacement apparatus 1 according to the present invention may include nozzles 200 coupled to the semiconductor device transfer device 100 as new nozzles 200 that meet the specifications of electronic components to be mounted on a printed circuit board. It can be replaced automatically, even during mounting.

In a state where the nozzles 200 are not coupled to the nozzle sockets 101, the nozzle replacement device 1 inserts the insertion grooves 21 of the replacement area B into the semiconductor device transfer device 100. The nozzles 200 inserted into the nozzle sockets 101 may be coupled to the nozzle sockets 101.

3 to 5, the main body 2 may include a moving hole 22. The movable hole 22 may be formed long in the moving direction (arrow Y direction) of the movable member 3 so that the movable member 3 can be moved between the first position and the second position. The moving member 3 may be coupled to the driving unit 4 through the main body 2 through the moving hole 22.

The first position is a position of the movable member 3 through which the nozzles 200 can be passed to the insertion grooves 21 so that the nozzles 200 can be coupled, and the second position is the insertion position. This is the position of the movable member 3 capable of holding the nozzles 200 inserted into the grooves 21.

When the movable member 3 is positioned in the first position, the seating member 203 of the nozzle 200 may pass through the movable member 3 and be seated on the main body 2. When the movable member 3 is positioned in the second position, the seating member 203 of the nozzle 200 may be held by its upper surface contacting the movable member 3.

The main body 2 may include a plurality of moving holes 22. The moving hole 22 may be formed in an elliptical shape that is elongated in the moving direction (arrow Y direction) of the moving member 3.

3 to 6B, the movable member 3 is movably coupled to the main body 2. The moving member 3 may be moved between the first position and the second position by the drive unit 4. The moving member 3 may be coupled to the upper side of the main body 2 so as to be movable.

The moving member 3 may include a contact member 31, a through hole 32, and a connection member 33.

The moving member 3 may include a plurality of contact members 31 which may be in contact with the nozzle 200. When the movable member 3 is positioned in the second position, the contact members 31 may be in contact with the nozzles 200 inserted into the insertion grooves 21, respectively. As a result, the nozzles 200 may be held.

The contact member 31 is inserted into the insertion groove 21 when the movable member 3 is positioned in the second position so as to be in contact with the nozzles 200 inserted into the insertion groove 21. It can be formed to protrude toward.

The contact members 31 may contact the upper surfaces of the seating members 203 when the movable member 31 is positioned at the second position. In this state, when the semiconductor device transfer device 100 raises the nozzle sockets 101, the nozzles 200 may be separated from the nozzle sockets 101 by the contact members 31. . The moving member 3 may include a plurality of contact members 31 such that the plurality of contact members 31 protrude from the upper surfaces of the seating members 203.

The moving member 3 may include a plurality of through holes 32. When the moving member 3 is positioned in the first position, the nozzles 200 may be inserted into the insertion grooves 21 through the through holes 32, respectively. The contact members 31 may be formed to protrude into the through hole 32.

When the moving member 3 is located in the first position, the nozzles 200 may be inserted into the insertion grooves 21 through the through holes 32, respectively, and the moving member 3 When the nozzles are positioned in the second position, the nozzles 200 may contact the contact member 31.

The moving member 3 may include the same number of through holes 32 as the number of insertion grooves 21 formed in the main body 2. The through holes 32 may have a larger size than the seating member 203 so that the seating member 203 can be easily passed.

One side of the connection member 33 is coupled to the movable member 3, and the other side of the connection member 33 is coupled to the driving unit 4. The moving member 3 is coupled to the drive unit 4 via the connecting member 33, and can be moved between the first position and the second position by the drive unit 4. The connecting member 33 may be coupled to the moving member 3 through the main body 2 through the moving hole 22.

The connecting member 33 may be formed in a square plate shape to receive a sufficient driving force from the drive unit (4). In this case, the connection member 33 may include a joint member 331 to reduce the size of the moving hole 22. The joint member 331 may be formed in a cylindrical shape that is formed long in the vertical direction (arrow Z direction).

The connecting member 33 may include a plurality of joint members 331, and thus the moving member 3 may be moved between the first position and the second position at a uniform distance without being tilted. do.

3 to 6B, the driving unit 4 is coupled to the moving member 3 and moves the moving member 3 between the first position and the second position.

The driving unit 4 may be coupled to the connecting member 33, and the moving member 3 may be moved between the first position and the second position by moving the connecting member 33.

The drive unit 4 may include a hydraulic cylinder or a pneumatic cylinder. The rod of the hydraulic cylinder or pneumatic cylinder may be coupled to the connecting member 33, and thus the connecting member 33 may be moved by the movement of the rod.

The drive unit 4 may include a motor, a drive pulley and a driven pulley, and a belt connecting the drive pulley and the driven pulley. When the motor rotates the driving pulley, the belt may move with the rotation of the driven pulley. The connecting member 33 is coupled to the belt, it can be moved by the movement of the belt.

The drive unit 4 may include a motor, a pinion gear rotated by the motor, and a rack gear meshed with the pinion gear and linearly moved according to the rotation of the pinion gear. The connecting member 33 may be coupled to the rack gear and moved by the movement of the rack gear.

The drive unit 4 may include a motor, a ball screw rotated by the motor, and a fastening member fastened to the ball screw. When the motor rotates the ball screw, the fastening member may be moved by being fastened to or released from the ball screw. The connection member 33 is coupled to the fastening member, it can be moved by the movement of the fastening member.

3 to 7, the nozzle replacement apparatus 1 may further include a coupling member 5.

The coupling member 5 is coupled to the main body 2 between the main body 2 and the moving member 3.

The coupling member 5 is formed with a through hole 51 which communicates with the moving hole 22. Accordingly, the connection member 33 is provided through the moving hole 22 and the through hole 51. It may be coupled to the moving member 3 through the main body 2 and the coupling member 5.

The coupling member 5 may include a plurality of seating holes 52 into which the seating member 203 is inserted. The coupling member 5 may include a seating hole 52 equal to the number of insertion grooves 21 formed in the body 2.

As shown in the enlarged view of FIG. 7, the seating member 203 is inserted into the seating hole 52 and seated on the main body 2. The seating member 203 may be supported by the coupling member 5 while its outer circumferential surface is inserted into the seating hole 52. Accordingly, the nozzles 200 may be inserted into the insertion grooves 21 without shaking.

The seating hole 52 may be formed in the same size as the seating member 203. The coupling member 5 may be formed to have the same thickness as the seating member 203. Accordingly, as shown in the enlarged view of FIG. 7, the seating member 203 has its bottom surface supported by the main body 2, and its upper surface is in contact with the contact member 31. It may be supported by the coupling member (5). Therefore, the nozzles 200 may be inserted into the insertion groove 21 without further shaking.

Since the nozzles 200 may be inserted into the insertion grooves 21 without shaking, when the nozzles 200 need to be replaced with different types of nozzles 200 in a predetermined arrangement. The nozzles 200 may be inserted into the insertion grooves 21 in a predetermined arrangement. Therefore, efficient replacement work can be implemented.

Since the nozzles 200 may be always positioned at the same position in the state of being inserted into the insertion groove 21, the nozzles 200 may be replaced accurately and easily without having to separately check the positions of the nozzles 200. can do.

8 is a perspective view showing a main body separated state in the nozzle replacement apparatus according to the present invention, Figure 9 is a front view showing the operating state of the coupling unit and the sensing member in the nozzle replacement apparatus according to the present invention.

3 to 8, the nozzle replacement apparatus 1 may further include a support member 6 and a coupling unit 7.

The support member 6 is coupled to the surface mounter body W (shown in FIG. 2). The driving unit 4 may be coupled to the support member 6.

The main body 2 may be detachably coupled to the support member 6. The main body 2 may be detachably coupled to the support member 6 by the coupling unit 7. The moving member 3 coupled to the main body 2 may also be detachably coupled to the drive unit 4.

Accordingly, even during the mounting operation, the user detaches the main body 2 from the support member 6 and inserts the nozzles 200 to be replaced into the insertion grooves 21, and then the main body 2 again. ) Can be combined. That is, since the nozzles 200 to be replaced can be prepared without stopping the mounting operation, not only an efficient replacement operation can be realized, but also more electronic components can be mounted on the printed circuit board in a short time by eliminating time loss. .

In addition, when it is necessary to replace the different types of nozzles 200 in a predetermined arrangement in the electronic component transfer apparatus 100, the user has a sufficient time and the nozzle in the insertion grooves 21 in advance in a predetermined arrangement. 200 may be inserted. Therefore, accurate and efficient replacement work can be realized.

3 to 8, when the nozzle replacement apparatus 1 according to the present invention includes a support member 6 and a coupling unit 7, the main body 2, the drive unit 4, and The connection member 33 may further include the following configuration.

The main body 2 may further include a coupling groove 23 to which the coupling unit 7 is coupled. The main body 2 may be firmly coupled to the support member 6 by the coupling groove 23. The main body 2 can be separated from the support member 6 simply by separating the coupling unit 7 from the coupling groove 23. The main body 2 may include a plurality of coupling grooves 23.

The drive unit 4 may further include a drive member 41. The driving member 41 may include a connection groove 411 into which the connection member 33 is inserted. The drive member 41 may be moved by a power source to move the connection member 33 inserted into the connection groove 411. Accordingly, the movable member 3 can be moved between the first position and the second position.

As described above, the power source may be a hydraulic cylinder, a pneumatic cylinder, a motor, or the like. The drive member 41 may be coupled to any one of a rod, a belt moved by the drive pulley and the driven pulley, a rack gear moved by a pinion gear, or a fastening member moved by a ball screw.

The connecting member 33 may be inserted into the connecting groove 411 and coupled to the driving member 41 as shown in the enlarged view of FIG. 8. 8 is an enlarged side view illustrating a state in which the connection member 33 and the driving member 41 are coupled to each other. The connection member 33 may be inserted into the connection groove 411 and moved according to the movement of the driving member 41.

The connecting member 33 may be separated from the connecting groove 411 when the main body 2 is separated from the supporting member 6. That is, the moving member 3 may be detachably coupled to the drive unit 4.

3 to 9, the coupling unit 7 detachably couples the main body 2 to the support member 6.

The coupling unit 7 may include a rotating member 71 and an elastic member 72.

The rotating member 71 is rotatably coupled to the support member 6. The rotation member 71 may be rotatably coupled to the support member 6 by a shaft 711. The rotating member 71 may be rotated by using the shaft 711 as a rotating shaft.

The rotating member 71 may include a protruding member 712 inserted into the coupling groove 23 formed in the main body 2. The main body 2 may be supported by the protruding member 712 and coupled to the supporting member 6.

One side of the elastic member 72 is coupled to the rotating member 71, the other side is coupled to the supporting member (6). The elastic member 72 elastically pulls the rotating member 71 in the direction in which the rotating member 71 is inserted into the coupling groove 23. Accordingly, the main body 2 may be coupled to the support member 6 by the elastic force of the elastic member 72. A spring may be used as the elastic member 72.

By the elastic member 72, the user rotates the rotating member 71 in the direction in which the rotating member 71 is separated from the coupling groove 23, and then the main body 2 to the support member 6 ) Can be separated. When the external force applied to the rotating member 71 is removed, the rotating member 71 may be rotated by the restoring force of the elastic member 72 to be inserted into the coupling groove 23. Therefore, the main body 2 can be detached from the support member 6 in a simple operation.

3 to 9, the nozzle replacement apparatus 1 may further include a sensing member 8 and a sensing unit 9. The nozzle replacement apparatus 1 may detect whether the main body 2 is coupled to or separated from the support member 6 by the sensing member 8 and the sensing unit 9. It is possible to detect whether the moving member 3 is in the first position or the second position.

The sensing member 8 is rotatably coupled to the drive member 41. The sensing member 8 may be rotatably coupled to the driving member 41 by the shaft 81. The sensing member 8 may be rotated using the shaft 81 as a rotation axis.

The sensing member 8 is in contact with the connecting member 33 and is positioned at the first rotational position C. When the main body 2 is separated from the supporting member 6, the sensing member 8 is separated from the sensing unit 9. It is rotated to the second rotation position (D). When the sensing member 8 is located at the first rotational position C, the sensing member 8 is inserted into the sensing unit 9.

As illustrated in the enlarged view of FIG. 8, the sensing member 8 may be supported by the connecting member 33 inserted into the connecting groove 411 and positioned at the first rotational position C. FIG. . As illustrated in FIG. 9, the sensing member 8 moves from the first rotational position C to the second rotational position D when the connection member 33 is separated from the connection groove 411. Can be rotated.

The sensing member 8 may be rotated from the first rotational position C to the second rotational position D by its own weight when the main body 2 is separated from the support member 6. It may include a detaching member 81 to.

The detaching member 81 may be formed to a sufficient size and weight so that the sensing member 8 may be rotated from the first rotational position C to the second rotational position D by its own weight.

When the sensing member 8 is rotated from the first rotational position to the second rotational position D, as illustrated in FIG. 9, the sensing member 8 is supported by the sensing unit 9 and the second rotational position D is shown. You can stop at). The sensing member 8 is pressed by the connecting member 33 while the main body 2 is coupled to the support member 6, so that the first rotational position C at the second rotational position D is achieved. Can be rotated).

When the sensing member 8 is located at the first rotational position C, the sensing member 8 is inserted into the sensing unit 9. Accordingly, the sensing unit 9 may detect the sensing member 8 when the sensing member 8 is located at the first rotational position C. FIG. That is, the nozzle replacement apparatus 1 may detect that the main body 2 is coupled to the support member 6.

When the sensing member 8 is located at the second rotational position D, the sensing member 8 is separated from the sensing unit 9. Accordingly, the sensing unit 9 cannot detect the sensing member 8. That is, the nozzle replacement device 1 may detect that the main body 2 is separated from the support member 6.

Therefore, even when the main body 2 is separated from the support member 6, the nozzle replacement operation may be performed to prevent the semiconductor device transfer apparatus 100 and the nozzle replacement apparatus 1 from being damaged or damaged. .

The sensing unit 9 may detect the sensing member 8 when the sensing member 8 is located at the first rotational position C. In this case, the sensing member 8 may be inserted into the sensing unit 9.

The sensing unit 9 may be formed in a form in which one side is opened so that the sensing member 8 can be inserted. The sensing unit 9 may be formed in a 'c' shape as a whole. The detection unit 9 may include a light emitting sensor and a light receiving sensor.

The sensing unit 9 may detect whether the moving member 3 is in the first position or the second position. To this end, the sensing unit 9 may include a first sensing unit 91 and a second sensing unit 92.

The sensing member 8 is inserted into the first sensing unit 91 when the moving member 3 is positioned at the first position. The sensing member 8 is inserted into the second sensing unit 92 when the moving member 3 is positioned at the second position. The sensing member 8 is coupled to the driving member 41 so that the first sensing unit 91 and the second sensing unit are moved when the moving member 3 is moved to the first position and the second position. And may optionally be inserted in 92. The first sensing unit 91 and the second sensing unit 92 may be coupled to the support member 6 at different positions in the horizontal direction (arrow Y direction).

Although not shown, the first sensing unit 91 and the second sensing unit 92 may be coupled to the support member 6 at the same height in the horizontal direction (arrow Y direction).

As shown in FIGS. 8 and 9, the first sensing unit 91 and the second sensing unit 92 may be coupled to the support member 6 at different heights in the vertical direction (arrow Z direction). Can be. In this case, the sensing member 8 may include a first protrusion 82 inserted into the first sensing unit 91 and a second protrusion 83 inserted into the second sensing unit 92. .

Therefore, it is possible to prevent the first sensing unit 91 and the second sensing unit 92 from malfunctioning due to interference. This is more effective when the first sensing unit 91 and the second sensing unit 92 include an optical sensor.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and alterations are possible within the scope without departing from the technical spirit of the present invention. It will be apparent to those who have knowledge.

1 is a perspective view schematically showing a general surface mounter

2 is a plan view schematically showing a general surface mounter

3 is a front view schematically showing an embodiment of a general electronic component transfer device;

Figure 4 is a perspective view showing a nozzle replacement apparatus according to the present invention

5 is an exploded perspective view showing a main body, a moving member, and a coupling member in the nozzle replacement apparatus according to the present invention;

Figure 6a is a plan view showing a state in which the moving member in the first position in the nozzle replacement apparatus according to the present invention,

Figure 6b is a plan view showing a state in which the moving member in the second position in the nozzle replacement apparatus according to the present invention,

7 is a front view showing the coupling relationship of the nozzle, the main body, the moving member, and the coupling member in the nozzle replacement apparatus according to the present invention;

8 is a perspective view showing a main body separated state in the nozzle replacement apparatus according to the present invention

Figure 9 is a front view showing the operating state of the coupling unit and the sensing member in the nozzle replacement apparatus according to the present invention

Claims (13)

A main body having a plurality of insertion grooves into which the nozzle is inserted; A moving member including a plurality of contact members contacting the nozzles and movably coupled to the main body; And a driving member for inserting the moving member, wherein the moving member is inserted between the first position through which the nozzles are inserted so that the nozzles can be inserted into the insertion grooves and the second position where the contact members contact the nozzles, respectively. A drive unit for moving the moving member; A support member to which the main body is detachably coupled and to which the driving unit is coupled; A sensing member rotatably coupled to the driving member; And A sensing unit into which the sensing member is inserted when the movable member is positioned at the first position and the second position, The sensing member is in contact with the movable member inserted into the drive member is located in the first rotational position, and when the main body is separated from the support member is separated from the sensing unit is characterized in that the rotation to the second rotational position Nozzle changer. The method of claim 1, The nozzle includes a seating member seated on the main body, And the contact member is in contact with an upper surface of the seating member when the movable member is positioned in the second position. The method of claim 2, Further comprising a coupling member coupled to the main body between the main body and the moving member, The coupling member includes a plurality of seating holes into which the seating member is inserted, the nozzle replacement apparatus characterized in that for supporting the outer peripheral surface of the seating member respectively inserted in the seating holes. The method of claim 2, And a plurality of passage holes formed in the moving member to allow the seating member to pass when the moving member is positioned at the first position. The nozzle replacement apparatus according to claim 1, further comprising a coupling unit to detachably couple the main body to the support member. The method of claim 1, The moving member includes a connection member detachably coupled to the drive unit; The driving member includes a connecting groove into which the connecting member is inserted, and is moved by a power source to move the moving member between the first position and the second position; And the sensing member is in contact with the connecting member inserted into the connecting groove and positioned at the first rotational position. delete The apparatus of claim 1, wherein the sensing member further comprises a detachment member configured to rotate to the second rotational position by its own weight when the main body is separated from the support member. The method of claim 1, The sensing unit includes a first sensing unit into which the sensing member is inserted when the moving member is positioned in the first position and a second sensing unit into which the sensing member is inserted when the moving member is positioned in the second position. Nozzle replacement device characterized in that it further comprises. 10. The method of claim 9, The first sensing unit and the second sensing unit are coupled to the support member at different heights in the vertical direction, And the sensing member includes a first protrusion inserted into the first sensing unit and a second protrusion inserted into the second sensing unit. The method of claim 6, The main body is formed with a moving hole through which the connection member is penetrated, And the connection member is inserted into the connection groove through the main body through the moving hole so as to be moved between the first position and the second position by the driving member. The method of claim 5, The coupling unit includes a rotating member rotatably coupled to the support member and an elastic member having one side coupled to the rotating member and the other side coupled to the support member; Nozzle replacement device characterized in that the main body is formed with a coupling groove to which the rotating member is coupled. The method of claim 1, And a plurality of insertion grooves are formed in the main body, respectively, in a separation region into which nozzles coupled to the semiconductor element transfer apparatus are inserted and a replacement region into which nozzles to be coupled to the semiconductor element transfer apparatus are inserted.

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