KR20220032876A - Socket exchange device for nut runner - Google Patents

Abstract

The present invention relates to a socket exchange device for a nut runner which can increase the efficiency of exchange work, eliminate concern for accidents, and fully automate an automobile production line by mechanically performing work for receiving a socket of a nut runner and transferring a new socket while storing a socket of which the size is different from the socket coupled to the nut runner. The socket exchange device for a nut runner comprises: a horizontal transport means installed on a main mounting part provided on an upper portion of a nut runner to be moved to the left and right directions of the nut runner; a vertical transport means installed on the front side of the horizontal transport means to be moved in the vertical direction of the nut runner; and a socket carrier mounted on the vertical transport means to separate a socket mounted on the nut runner to store the socket, and mounting a socket stored to be exchanged on the nut runner. The socket (105) can be mechanically exchanged and mounted.

Description

Socket exchange device for nut runner {SOCKET EXCHANGE DEVICE FOR NUT RUNNER}

The present invention relates to a socket exchange device for a nut runner, and more particularly, to a nut runner that mechanically fastens a wheel nut in order to mount a wheel on a vehicle by applying it to an automobile production line. It relates to the provision of a socket exchange device so that the socket can be mechanically exchanged in accordance with the change of the bolt standard.

It is automated so that 4 or 5 nuts or bolts (hereinafter referred to as nuts.) can be simultaneously fastened using a nut runner to mount a wheel on a car manufactured in an automobile production line, and these nut runners are the It is intended to simultaneously fasten the nuts to the fastening bolts arranged in the same circle radially with respect to the center (the spacing is referred to as PCD), and it is possible to respond to changes in PCD in recent years.

The configuration of the prior art of the nut runner as described above through the patent literature is as follows.

Patent Document 1, a nut runner housing having a front plate and a rear plate connected to and fixed to the front plate by a plurality of long shaft bolts;

a rotation actuator provided in the center of the rear plate;

a rotation shaft detachably connected to the shaft of the rotation actuator and rotatably supported by an opening formed in a central portion of the front plate;

a rotating plate connected to the rotating shaft, rotating by the driving of the rotating actuator, and having a plurality of outward cam grooves;

It is installed radially around the center of the housing, is slidably supported by the front and rear plates, respectively, and is configured to include a plurality of nut runners, each having a cam floor performing a cam motion along the cam groove.

Patent Document 2 discloses a nut runner for tire wheel mounting for fastening a fastening nut on a vehicle body hub bolt on which a tire wheel is mounted in a vehicle work line,

housing;

a plurality of shanks configured inside the housing;

an inner socket integrally connected to the tip of the rotation shaft of each shank;

an outer socket slidably installed only in an axial direction on an outer circumferential surface of each of the inner sockets;

an operating cylinder having a rear end fixed to the housing while being disposed toward the front in the inner center of the housing;

The center is fixed to the working rod of the working cylinder, and each end is composed of an attach unit connected to the rear side of the external socket.

Patent No. 10 - 0278075 - 0000 Patent Application No. 10 - 2005 - 0068852

None.

In the prior art as described above, it relates to the technical content of a universal nut runner that enables the nut to be fastened by mounting a socket according to the number of nuts, but the technical content for mechanically exchanging the socket for fastening the nut There is no description of

As described above, in the case of a nut runner to which the prior art is applied, it is difficult for an operator to directly couple and disassemble the socket to the tip of the nut runner. It is a cause of adverse effect on the improvement of

The reason that the socket replacement is necessary as described above is that there is a change in PCD and a change in nut size depending on the vehicle model as well as the change of the production car model. The operation of exchanging with a socket is performed.

In case of exchanging the sockets, there is a method of combining each socket whose standard has been changed one by one to the nut runner, as well as a method of combining 4 or 5 sets of socket bundles to the nut runner at a time, but both must be visually confirmed by the operator. After that, the socket is coupled to the nut runner and it is necessary to disassemble the socket.

In the process of removing the socket coupled to the nut runner by the operator and assembling a new socket, there may be a case where an out-of-standard one is installed. In order to solve the problem, inconvenience occurs due to the stop of the production line.

As mentioned above, it takes a lot of time to exchange the socket and reduces the smoothness of the production line that can be caused by incorrect installation, as well as the safety that causes physical damage, such as fingers being stricken in the process of disassembling and combining the socket by hand. It is a situation that is not free from various problems such as fear of accidents.

Accordingly, in the present invention, as an invention to solve the above problems, horizontal transport installed on the main mounting table 102 provided on the upper portion of the nut runner 101 so as to move left and right of the nut runner 101 means 110;

a vertical transfer means 130 installed so as to be movable in the up and down directions of the nut runner 101 from the line side of the horizontal transfer means 110;

Socket carrier ( 150), characterized in that the socket 105 can be mechanically replaced and mounted;

By mechanically performing the task of taking over the socket of the nut runner and handing over the new socket while keeping the socket of a different size from the socket combined with the nut runner, it increases the efficiency of the exchange operation and eliminates the risk of safety accidents and produces automobiles It is possible to achieve the purpose of enabling full automation of the line.

The present invention enables to mechanically perform an exchange operation for coupling a socket to a nut runner as well as a detachment of a socket mounted on the nut runner, thereby actively responding to changes in vehicle types or specifications in a production line to improve productivity. It has the effect of enabling full automation of the entire production line.

According to the present invention, by allowing the socket to be mechanically exchanged for the nut runner, it is possible to significantly reduce the exchange work, as well as to prevent production setbacks that may be caused by incorrect mounting, and to prevent physical damage that may occur during manual exchange. It is an invention having various effects, such as being able to exclude concerns about the same safety accident.

1 is an overall perspective view showing a socket exchange device for a nut runner to which the technology of the present invention is applied.
Figure 2 is a perspective view in another direction showing a socket exchange device for a nut runner to which the technology of the present invention is applied.
Figure 3 is a cross-sectional configuration diagram showing a socket exchange device for a nut runner to which the technology of the present invention is applied.
Figure 4 is a configuration diagram extracting the horizontal transfer means of the socket exchange device for a nut runner to which the technology of the present invention is applied.
Figure 5 is a configuration diagram extracted from the vertical transfer means of the socket exchange device for a nut runner to which the technology of the present invention is applied.
Figure 6 is a configuration diagram extracted from the socket carrier of the socket exchange device for a nut runner to which the technology of the present invention is applied.
7 is a cross-sectional view showing a socket carrier of a socket exchange device for a nut runner to which the technology of the present invention is applied.

Hereinafter, the preferred configuration and operation of the present invention for achieving the above object will be described with reference to the accompanying drawings.

Figure 1 is an overall perspective view showing a socket exchange device for a nut runner to which the technology of the present invention is applied, Figure 2 is a perspective view from another direction showing a socket exchange device for a nut runner to which the technology of the present invention is applied, Figure 3 is the technology of the present invention A cross-sectional configuration diagram showing a socket exchange device for a nut runner to which this is applied, Figure 4 is a configuration diagram extracting a horizontal transfer means of a socket exchange device for a nut runner to which the technology of the present invention is applied, Figure 5 is a nut to which the technology of the present invention is applied A configuration diagram extracting the vertical transfer means of the socket exchange device for a runner, Figure 6 is a configuration diagram extracted from the socket carrier of the socket exchange device for a nut runner to which the technology of the present invention is applied, Figure 7 is a nut runner to which the technology of the present invention is applied It will be described together with a cross-sectional view showing the socket carrier of the socket exchange device for use.

The socket exchange device 100 for a nut runner to which the technology of the present invention is applied is the left and right sides of the nut runner 101 on the main mounting table 102 provided on the upper portion of the nut runner 101 to which the known technology is applied. A horizontal transfer means 110 that can move in the direction is installed, and a vertical transfer means 130 that can move in the up and down directions of the nut runner 101 is installed on the line side of the horizontal transfer means 110 .

In the vertical transport means 130, the socket 105 mounted on the nut runner 101 is removed and stored, and a socket carrier 150 for mounting the stored socket 105 to the nut runner 101 for replacement. ) so that the socket 105 can be mechanically replaced and installed.

The horizontal conveying means 110 is provided with a horizontal moving table 111 by maintaining a predetermined interval on the front and rear sides of the main mounting table 102 for controlling the nut runner 101, and the horizontal moving table ( At the front position of 111), a reciprocating means 112 for reciprocating the horizontal moving table 111 in the left and right directions of the nut runner 101 is installed and configured.

The horizontal moving table 111 is a front moving plate 113 and a rear moving plate 114, and the front and rear moving plates 113 and 114 positioned at the front and rear of the main mounting table 102, while maintaining the proper spacing. It consists of a connecting plate 115 that is connected in the width direction to ensure stability.

The reciprocating means 112 is composed of a right cylinder 116 mounted on the right front side of the main mounting table 102 and a left side cylinder 117 mounted on the left front side of the horizontal moving table 111, and the right side and The right rod 118 and the left rod 119 provided in the left cylinders 116 and 117 are connected by a joint 120 to obtain a long stroke without interference in a narrow space.

In the present invention, the right cylinder 116 is formed larger than the left cylinder 117, but it may be configured in the opposite direction. It will be free even if you let it.

In the present invention, the right cylinder 116 is used for the operation for receiving and withdrawing the entire horizontal moving table 111, and the left cylinder 117 is a nut runner 101 for the vertical conveying means 130 and the socket carrier 150. It is configured so that it can be used for the actual exchange operation of the socket 105 by finely adjusting it on the left side of the .

The vertical conveying means 130 is fixed to the front and rear of the left end of the horizontal moving table 111 to protrude the vertical bracket 131 upward, and a vertical cylinder 132 in the center of the upper surface of the vertical bracket 131 . The lower end of the rod 135 of the vertical cylinder 132 and the lower end of the guide 133 are connected to the upper part of the socket carrier 150 by mounting guides 133 on the front and rear of the vertical cylinder 132. to vertically move the socket carrier 150 .

The socket carrier 150 is a carrier with an upper plate 151 connected to the vertical transfer means 130 , and a seat plate 152 and a right plate 153 that are fixed to be lowered from the left and right sides of the upper plate 151 . A frame 155 is constituted.

Between the seat plate 152 and the right plate 153 constituting the carrier frame 155, a movable plate 157 having a corner portion maintained as a guide 156 is mounted, and the movable plate 157 is a seat plate 152. It is connected with the movable cylinder 158 mounted on the outside of the to be able to reciprocate between the left plate 152 and the right plate (153).

The movable plate 157 stores the socket 105 to be mounted on the nut runner 101, and a magnetic type or a spring and steel ball combination type so that the socket 105 mounted on the nut runner 101 can be separated and stored. It is provided with a conventional socket clamper 160 such as, and closed with a clamper housing 161 to prevent exposure.

The right plate 153 also forms the same number of socket holes 162 as the socket clampers 160 provided on the movable plate 157 to draw out the sockets 105 mounted on the nut runner 101, and then use the socket clampers 160 ) is configured so as not to interfere with mounting the socket 105 coupled to the nut runner 101.

The number of socket clampers 160 and socket holes 162 can be configured as a 4-hole type, 5-hole type, or 6-hole type according to the number of wheel nuts. Various combinations can be made, such as in the case of 5 holes with a PCD of 100 and 114.3.

For example, in the case of 4 holes and PCD 100 and 114.3, the number of socket clampers 160 and socket holes 12 is formed so that the PCD 100 4 holes and PCD 114.3 4 holes do not overlap each other so that the sockets 105 of different standards. This will make it possible to replace

The size of the socket hole 162 formed in the right plate 153 is such that the socket 105 can be sufficiently accommodated and withdrawn, and the socket coupler 165 mounted on the tip of the nut runner 101 can be pushed to operate it. It may be desirable to have a smaller size than the outer diameter of the socket coupler 165 .

The operating state of the socket exchange device 100 for a nut runner to which the technology of the present invention is applied as described above is as follows.

A socket clamper 160 constituting the socket carrier 150 of the socket exchange device 100 for a nut runner with a socket 105 of a different standard from the socket 105 coupled to the socket coupler 165 of the nut runner 101 ) to be in a ready state.

In this state, the nut runner 101 performs an operation of mounting the wheel supplied to the automobile production line to the automobile using the socket 105 coupled to the socket coupler 165, in this case the socket exchange device 100 ), the horizontal transfer means 110 is in a state in which the horizontal transfer table 111 is contracted so that the nut runner 101 does not interfere with performing the mounting operation, and the vertical transfer table 130 also maintains a raised state to the socket The exchange device 100 is positioned above the nut runner 101 so that there is no interference (interference) with the operation of the nut runner 101 .

In this way, when the standard is changed such as a nut or PCD, the socket 105 mounted on the nut runner 101 is stored and stored in the socket carrier 150, and is stored and stored in the socket carrier 150. After replacing the socket 105 to the socket coupler 165 of the nut runner 101, the operation may be performed again.

Looking at this exchange operation, the right cylinder 116 of the horizontal conveying means 110 is extended and the horizontal moving table 111 is drawn out to the left, and the left cylinder 117 is extended at the same time that the expansion of the right cylinder 116 is completed. Thus, the horizontal moving table 111 is continuously drawn out in the left direction of the nut runner 101 .

When the withdrawal of the horizontal carrier 111 is completed, the vertical cylinder 132 constituting the vertical carrier 130 operates to lower the socket carrier 150, and when the lowering of the socket carrier 150 is completed, the horizontal The left cylinder 117 of the pedestal 110 contracts to move the socket carrier 150 in the direction of the socket coupler 165 so that the socket 105 coupled to the socket coupler 165 is accommodated in the socket clamper 160. .

After taking over the socket 105 of the nut runner 101, the left cylinder 117 expands again to move the socket carrier 150 to the left, and then the vertical cylinder 132 operates to operate the socket clamper 160. The position (height) of the socket coupler 165 of the socket 105 and the nut runner 101 is matched.

After the position (height) of the socket 105 to be exchanged and the socket coupler 165 is matched, the left cylinder 117 is operated again to move the socket carrier 150 in the direction of the socket coupler 165, so that the socket carrier 150 ) on the socket 105 is coupled to the socket coupler 165, so that the exchange can be made.

After the replacement of the socket 105 is completed, the socket carrier 150 moves to the left by the left cylinder 117 and then is raised by the vertical cylinder 132 and then pulled out by the operation of the left and right cylinders 117 and 116 The horizontal moving table 111 is accommodated so that the nut runner 101 does not interfere with the operation.

Looking at the specific operation of the socket carrier 150 , when the socket 105 coupled to the socket coupler 165 is drawn out and coupled to the socket clamper 160 , and the socket stored in the socket clamper 160 . (105) to the socket coupler (165) to replace and install, it operates as follows.

After the right plate 153 of the socket carrier 150 is connected to the socket coupler 165 by the left cylinder 117, the coupling of the socket coupler 165 is pushed to the right so that the socket coupler 165 is connected to the socket 105. When is released, the operation of the left cylinder 117 is stopped.

At this time, the socket 105 enters the socket hole 162 formed in the right plate 153, and at the same time, the movable cylinder 158 operates to move the movable plate 157 in the right plate 153 direction, The socket 105 in the released state to the socket coupler 165 is clamped to the socket clamper 160 of the movable plate 157 .

After taking over the socket 105 of the nut runner 101, the movable cylinder 158 operates to move the movable plate 157 in the direction of the seat plate 152, thereby completing the withdrawal of the socket 105, and the left cylinder ( 117) operates to separate the socket carrier 150 from the socket coupler 165.

Then, the vertical cylinder 132 operates to adjust the socket 105 to be replaced to the same height as the socket coupler 165, and then the left cylinder 117 operates to connect the right plate 153 with the socket coupler 165. make it tight.

After that, the movable cylinder 158 operates and pushes the movable plate 157 having the socket 105 to be replaced to the right so that the socket 105 is inserted into the socket coupler 165, and then the movable cylinder 157. returns to its original position and the left cylinder 117 operates to the left, thereby completing the installation of the socket 105 to the socket coupler 165 .

After the socket 105 is mounted on the socket coupler 165 as described above, the socket carrier 150 is raised by the operation of the vertical cylinder 132 and the left cylinder 117 and the right cylinder 116 are operated to operate the horizontal transport means. (110) can be completed by accommodating the upper side of the nut runner (101).

Although the present invention has been described as an example of mounting and using a nut runner, a socket exchange device is provided separately from the nut runner and mounted on a robot, etc., so that it can be operated in response to a change in the number of sockets or a change in pcd. It will be natural that it can also be used, and it will be possible to achieve the object of the present invention by changing it in various forms.

As described above, the present invention mechanically performs the operation of taking over the socket of the nut runner and handing over the new socket in the state that the socket coupled to the nut runner and the socket having a different standard are stored, thereby increasing the efficiency of the exchange operation and preventing safety accidents. It is an invention that has various advantages, such as eliminating concerns and enabling full automation of the automobile production line.

100; socket exchange device for nut runner 101; nut runner
105; socket 110; horizontal transport
111; horizontal carrier 112; round-trip
116; right cylinder 117; left cylinder
130; vertical transfer means 131; vertical bracket
132; vertical cylinder 150; socket carrier
155; carrier frame 157; movable plate
158; movable cylinder 160; socket clamper
162; socket hole

Claims (4)

a horizontal transport means 110 installed on the main mounting table 102 provided on the upper portion of the nut runner 101 to move left and right of the nut runner 101;
a vertical transfer means 130 installed so as to be movable in the up and down directions of the nut runner 101 from the line side of the horizontal transfer means 110;
Socket carrier ( 150), including a socket exchange device for a nut runner, characterized in that the socket 105 can be mechanically replaced. The method of claim 1 ;
The horizontal transfer means 110 includes a horizontal transfer table 111 provided with a predetermined interval at the front and rear sides of the main mounting table 102 for controlling the nut runner 101;
a reciprocating means 112 for installing the horizontal moving table 111 to reciprocate in the left and right directions of the nut runner 101 at a front position of the horizontal moving table 111;
The horizontal moving table 111, the front moving plate 113 and the rear moving plate 114, and the front and rear moving plates 113 and 114 positioned at the front and rear of the main mounting base 102 maintain the proper spacing. while including a connecting plate 115 for connecting in the width direction to ensure stability;
The reciprocating means 112 includes a right cylinder 116 mounted on the right front side of the main mounting table 102, a left cylinder 117 mounted on the left front side of the horizontal moving table 111, and the right and left sides. A socket exchange device for a nut runner, characterized in that it includes a joint (120) connecting the right rod (118) and the left rod (119) provided in the cylinders (116, 117). The method of claim 1 ;
The vertical transfer means 130 includes a vertical bracket 131 that is fixed to the front and rear of the left end of the horizontal carrier 111 and protrudes upward;
a vertical cylinder 132 mounted on the center of the upper surface of the vertical bracket 131;
and a guide 133 mounted to the front and rear of the vertical cylinder 132;
A socket exchange device for a nut runner, characterized in that the lower end of the rod 135 of the vertical cylinder 132 and the lower end of the guide 133 are connected to the upper portion of the socket carrier 150 to vertically move the socket carrier 150 . The method of claim 1 ;
The socket carrier 150 is composed of an upper plate 151 connected to the vertical transfer means 130, and a seat plate 152 and a right plate 153 fixed to be lowered from the left and right sides of the upper plate 151. a carrier frame 155 and;
a movable plate 157 mounted to be maintained as a guide 156 between the seat plate 152 and the right plate 153;
a movable cylinder 158 mounted on the outside of the seat plate 152 to allow the movable plate 157 to reciprocate between the seat plate 152 and the right plate 153;
a socket clamper 160 provided on the movable plate 157 to store the socket 105 to be mounted on the nut runner 101 and take over the socket 105 mounted on the nut runner 101;
It is formed in the same number as the socket clampers 160 to withdraw the sockets 105 mounted on the nut runner 101, and it is difficult to mount the sockets 105 coupled to the socket clampers 160 to the nut runner 101. A socket exchange device for a nut runner, characterized in that it includes a socket hole (162) formed in the right plate (153) to prevent it.

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