KR20210102780A - safety and arming device assembly machine - Google Patents

Abstract

The present invention relates to a safety and arming device assembling apparatus and, more specifically, to a safety and arming device assembling apparatus to automatically assemble a safety and arming device to prevent a misoperation of a fuse of a missile, a stray bullet, etc. In addition, the safety and arming device assembling apparatus comprises: a lower housing supply unit supplying a lower housing; a transport unit transporting a jig on which the supplied lower housing is put; a plurality of assembly units inserting components into the lower housing transported by the transport unit; a mounting unit which enabling an upper housing to be mounted on the lower housing into which the components are inserted; and a fusion unit fusing and fixing the upper housing mounted by the mounting unit.

Description

Safety and arming device assembly machine

The present invention relates to a safety loading device assembly equipment, and more particularly, to a safety loading device assembly equipment for automatically assembling a safety loading device for preventing malfunction of fuses such as missiles and grenades.

In general, a fuse for detonating gunpowder is installed in missiles and grenades, and the fuse is a safety device to prevent erroneous detonation of missiles and grenades before or immediately after launch (Safe & Arming device, SA). is comprised of

The safety loading device is to physically block between the high explosives filled with missiles and grenades through the blocking member and the initiators of the fuse, and is configured to release the physical blocking state after a certain period of time after the missiles and grenades are launched.

A typical safety loading device is configured to open and close the explosive force transmission path of the initiating unit through a rotating rotor, and the rotor rotates to switch from a safe state that blocks the explosive force transmission path to a loading state that opens the explosive force transmission path.

By installing such a safety loading device, it is possible to greatly reduce the risk of erroneous explosion due to malfunction of the fuse immediately after launch and when storing and transporting missiles and grenades before launch.

On the other hand, in the safety loading device, a plurality of parts such as a rotor fixed to rotate inside a housing, a plurality of fixed shafts, and a gear are manually assembled by a worker, but defects frequently occur in the assembly process.

In particular, in the field of defense, where reliability is the most important factor, it is difficult to guarantee the normal operation of expensive missiles and grenades, which is a very fatal problem.

Accordingly, a technology that structurally improved assembly reliability was developed, such as Korean Patent Application Laid-Open No. 10-2011-0099831 "Fuse with improved assembly reliability of safety loading device" There was a great difficulty in preventing it from the source.

In addition, when assembling a plurality of parts, it is highly productive to assemble parts sequentially while transporting the assembly target along the container belt, but to assemble while moving parts that require precision such as a number of fixed shafts and gears, it occurs in the process of movement There were difficulties due to vibration and shock.

Accordingly, there is a need for technology development for sequentially assembling parts while transporting an assembly target so as to increase productivity, and constantly managing assembly quality.

Korean Patent Laid-Open Patent No. 10-2011-0099831 "Fuse with improved assembly reliability of safety loading device"

It is an object of the present invention to provide a safety loading device assembly equipment for automatically assembling the safety loading device as devised to solve the above-described problems.

Another object of the present invention is to provide a safety loading device assembly equipment for assembling parts sequentially in the transport process to improve productivity.

In order to achieve the above object, the safety loading device assembly equipment according to the present invention includes a lower housing supply unit for supplying a lower housing, a transfer unit for transferring a jig on which the supplied lower housing is mounted, and a lower housing transferred by the transfer unit. It is characterized in that it comprises a mounting portion for raising the upper housing on the upper portion of the lower housing into which a plurality of assembly parts and parts are inserted, and a fusion portion for fixing the upper housing raised by the mounting portion by fusion.

In addition, the transfer unit is transferred to the end of each transfer rail by a plurality of transfer rails installed in parallel to transfer the jig, a plurality of conveyors for transferring the jig mounted on each transfer rail in different directions, and the conveyor It characterized in that it comprises a switching part for moving the old jig to another transport rail and a plurality of fixing parts installed at a preset position along the transport rail to fix the position of the jig when the assembly part inserts the part. do it with

In addition, the conversion unit is characterized in that it comprises a conversion rail and a conversion rail installed in parallel with the transfer rail to include a conversion transfer unit for transferring the conversion rail so that the extension in contact with one end of the plurality of transfer rails.

In addition, the fixed shaft supply unit further includes a fixed shaft supply unit for aligning the head direction and supplying a fixed shaft having a head to one assembly portion of the plurality of assembly portions, wherein the fixed shaft supply unit sequentially supplies the fixed shaft one by one; A fixed shaft detection unit for detecting the head position of the fixed shaft supplied by the fixed shaft sequential supply unit, a fixed shaft classification unit having insertion holes into which the fixed shaft is inserted, disposed on both sides, and a fixed shaft according to the head position detected through the fixed shaft detection unit It is characterized in that it is configured to include a fixed shaft sorting transfer unit for changing the insertion hole into which the fixed shaft supplied from the fixed shaft sequential supply unit by transferring the dividing unit is inserted.

In addition, the fixed shaft supply unit includes a pusher for pushing and discharging the fixed shaft inserted into the insertion hole of the fixed shaft classifying unit in the direction in which the head is arranged, and a fixed shaft holder into which the fixed shaft discharged by the pusher is inserted from the head and the fixing When the fixed shaft is inserted into the shaft holder, it characterized in that it further comprises a fixed shaft alignment part for rotating the fixed shaft holder so as to pick up the fixed shaft from the top.

As described above, according to the safety loading device assembly equipment according to the present invention, the assembly quality can be constantly managed by automatically assembling a plurality of parts in the lower housing and then automatically covering and fusing the upper housing. It works.

In addition, according to the safety loading device assembly equipment according to the present invention, by transporting the jig along the rail, vibration and shock generated in the transport process can be greatly reduced, and each part is assembled after temporarily fixing the jig in the transport process. There is an effect that the productivity can be greatly improved by performing the assembly in the form to be.

1 is a perspective view showing a safety loading device assembly equipment according to the present invention.
Figure 2 is a perspective view showing a transfer unit of the safety loading device assembly equipment according to the present invention.
Figure 3 is a view showing a fixing part of the safety loading device assembly equipment according to the present invention.
Figure 4 is a view showing a safety loading device assembled in the jig of the safety loading device assembly equipment according to the present invention.
Figure 5 is a view showing the operation concept of the safety loading device assembly equipment according to the present invention.
6 to 9 are views showing the switching unit and its operation of the safety loading device assembly equipment according to the present invention.
Figure 10 is a view showing a housing supply of the safety loading device assembly equipment according to the present invention.
11 to 13 are views showing the fixed shaft supply unit and its operation of the safety loading device assembly equipment according to the present invention.

Specific structural or functional descriptions of the embodiments according to the concept of the present invention disclosed in this specification are only exemplified for the purpose of explaining the embodiments according to the concept of the present invention, and the embodiments according to the concept of the present invention are It may be implemented in various forms and is not limited to the embodiments described herein.

Since the embodiments according to the concept of the present invention may have various changes and may have various forms, the embodiments will be illustrated in the drawings and described in detail herein. However, this is not intended to limit the embodiments according to the concept of the present invention to specific disclosed forms, and includes all modifications, equivalents, or substitutes included in the spirit and scope of the present invention.

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

1 is a perspective view showing a safety loading device assembly equipment according to the present invention, Figure 2 is a perspective view showing a transfer part of the safety loading device assembly equipment according to the present invention, Figure 3 is a safety loading device assembly equipment according to the present invention is a view showing the fixing part of the, Figure 4 is a view showing the safety loading device assembled in the jig of the safety loading device assembly equipment according to the present invention, Figure 5 is the operation concept of the safety loading device assembly equipment according to the present invention 6 to 9 are views showing the switching part and its operation of the safety loading device assembly equipment according to the present invention, and FIG. 10 shows the housing supply part of the safety loading device assembly equipment according to the present invention. It is a view, and FIGS. 11 to 13 are views showing the fixed shaft supply unit and its operation of the safety loading device assembly equipment according to the present invention.

As shown in FIG. 1 or FIG. 2, the safety loading device assembly equipment according to the present invention transfers the lower housing supply unit 1 for supplying the lower housing and the jig 21 on which the supplied lower housing is mounted to the transfer rail 22. A plurality of assembly parts 3 for inserting parts into the lower housing transported by the transport part 2 and the transport part 2, and a mounting part 4 for raising the upper housing on top of the lower housing into which the parts are inserted ) and a fusion part 5 for fixing the upper housing raised by the mounting part 4 by fusion.

In particular, in the assembly unit 3, three-axis transport robots 3a, 3b, 3c, ... 3f that pick up and assemble at least one or more parts in accordance with the assembly sequence are sequentially arranged along the transport rail 22. The number of three-axis transfer robots 3a, 3b, 3c, ... 3f may vary depending on the number and shape of the model and parts to be assembled and the assembly sequence.

In addition, it may be configured to further include a marking unit 7 for recording information such as bar codes and product names through laser or printing on the assembled safety loading device, and finally discharged through the discharge unit 1a. .

In addition, as shown in FIG. 2 or FIG. 3 , the transfer unit 2 is mounted on a plurality of transfer rails 22 and each transfer rail 22 installed in parallel to sequentially transfer the plurality of jigs 21 . A plurality of conveyors 23 for transferring the jin jig 21 in different directions, and a jig transferred to the end of each transfer rail 22 while being pushed by the sill 23a protruding from the conveyor 23 ( 21) is installed at a preset position along the transfer rail 22 and the switching unit 24 for moving the other transfer rails 21 arranged in parallel to each other, and when the assembly unit inserts the parts, the jig 21 It is configured to include a plurality of fixing parts (6) for fixing the position of the.

In particular, the jig 21 is formed so that the "U"-shaped clasp 21b protrudes from both sides so that the fixing part 6 is inserted into the clasp 21b to secure the jig 21 with the fixing part 6 It will be temporarily fixed in the assigned position.

In addition, as shown in FIG. 3 or FIG. 4 , a plurality of fixing pins 21a are formed on the upper surface of the jig 21 and a groove formed on the side surface of each lower housing 100 mounted on the upper portion of the jig 21 . It may be inserted into and configured to fix the position of the lower housing 100 .

As shown in (A) of FIG. 4, a plurality of parts are coupled to the lower housing 100 mounted on the jig 21, as shown in (B), and the coupling of the upper housing 101 is performed as shown in (C). All processes are sequentially carried out while the "transfer-stop-assembly" is repeated while being placed on the jig 21 .

5 is a view showing the concept of operation of the safety loading device assembly equipment according to the present invention, while the jig is transferred along the transfer rail on one side, after the supply of the lower housing (A1), the parts and the assembly of the upper housing (A2 to A8) The assembled safety loading device is discharged, and the jig is transferred to the position (B1) by the transfer rail on the other side, and then transferred to the switching position (B3) along the transfer rail, and then transferred to the transfer rail on the one side and the lower housing It is configured to circulate to the supplied position A1.

At this time, when the jig is transferred to the B1 position of the transfer rail on the other side, the upper housing is supplied, and the upper housing is picked up from the jig on which the upper housing is mounted at the B2 position and assembled to the jig located at the A8 position of the transfer rail on the one side. It may be configured to be assembled to the lower housing.

Also, the switching unit 24 may operate as shown in FIGS. 6 to 9 .

More specifically, as shown in FIG. 6 , the conversion unit 24 includes a conversion rail 31 installed in parallel with the transfer rails 22a and 22b and a conversion carrier 32 on which the conversion rail 31 is installed. ) by transferring the switching rail 31 is configured to include a switching transfer unit 33 for extending in contact with one end of the plurality of transfer rails (22a, 22b).

In addition, a plurality of for transferring the jig 21 transferred to the end of the other transfer rail 22b by pushing it to the transfer rail 31 or pushing the jig of the transfer rail 31 to the one transfer rail 22a It may further include a transmission unit 34 of dogs.

In addition, before or after the changeover transfer unit 33 operates, the transfer carrier 32 and the transfer rail 31 including the transfer transfer unit 33 are transferred in the X-axis direction to transfer the transfer rail 31 to the transfer rail 22 . ) may further include a contact portion 35 for spaced apart or close contact time.

As an embodiment, when the jig 21 is transferred to the end of the transfer rail 22b, the transfer unit 34 pushes the jig 21 to the conversion rail 31 as shown in FIG. When the jig 21 is mounted on the conversion rail 31 , the contact part 35 separates the conversion rail 31 from the transfer rail 22 .

Thereafter, as shown in FIG. 8 , the switching transfer unit 33 operates to position the switching rail 31 on the front side of the one-side transfer rail 22a, and the close contact unit 35 moves the switching rail 31 to one side. It is brought into close contact with the transfer rail (22).

Thereafter, as shown in FIG. 9 , the transfer unit 34 transfers the jig 21 to the one transfer rail 22a, and the jig 21 on the one transfer rail 22a is sequentially pushed out by the conveyor. It is transferred along the transfer rail (22a).

11 shows that the housing supply unit 1 and the fixed shaft supply unit 8 are configured in plurality, and may be configured to be symmetrical to both sides in this way.

As shown in Fig. 12 or 13, the fixed shaft supply unit 8 is for supplying a fixed shaft 40 having a head formed to one of the plurality of assembly parts by aligning the head direction, and the fixed shaft A fixed shaft sequential supply unit 41 for sequentially supplying 40 irrespective of the direction of the head, and a fixed shaft detection unit 42 for detecting the head position of the fixed shaft 40 supplied by the fixed shaft sequential supply unit 41 ) and the insertion hole 43a into which the fixed shaft 40 is inserted, fixed according to the head position of the fixed shaft 40 detected through the fixed shaft classifying part 43 and the fixed shaft detecting part 42 disposed on both sides. The position of the insertion hole 43a into which the fixed shaft 41 supplied from the fixed shaft sequential supply unit 41 is selectively changed by transferring the shaft classifying part 43 to one side or the other side (slide transport in the X-axis direction) It is configured to include a fixed shaft sorting transfer unit (44).

For example, when the head of the fixed shaft 40 supplied from the fixed shaft sequential supply unit 41 is located in front, the fixed shaft splitter 43 is transferred to one side and the fixed shaft ( 40) is inserted from the head.

The assembly part is configured to directly pick up the fixed shaft 40 inserted into the insertion hole 43a of the fixed shaft classifying part 43, or the fixed shaft 40 inserted into the insertion hole 43a and disposed horizontally. If it stands up, it may be configured to be picked up by the assembly unit.

More specifically, as shown in FIG. 13 , the fixed shaft supply part 8 pushes the fixed shaft 40 inserted into the insertion hole 43a of the fixed shaft sorting part 43 in the direction in which the head is disposed and discharged. The fixed shaft 40 is inserted into the fixed shaft holder 46 and the fixed shaft holder 46 in which the fixed shaft 40 discharged by the pusher 45 is inserted from the head If it is, it may be configured to further include a fixed shaft alignment part 47 for rotating the fixed shaft holder 46 so that the fixed shaft can be picked up from the upper part.

In addition, the push rod 45 , the fixed shaft mounting portion 46 , and the fixed shaft alignment portion 47 are installed to correspond to the respective insertion holes 43a disposed on both sides of the fixed shaft sorting part 43 , the fixed shaft They are installed in opposite directions from the fixed shaft dividing part 43 in accordance with the head direction of (40).

In addition, before the fixed shaft mounting portion 46 performs a rotation operation, the predetermined shaft mounting portion 46 may further include a slide 48 for spaced apart from the fixed shaft classifying unit 43 by a predetermined distance. may be configured.

As described above, the present invention has been mainly described with reference to the accompanying drawings, but it is apparent to those skilled in the art that many various obvious modifications are possible without departing from the scope of the present invention from these descriptions. Accordingly, the scope of the present invention should be construed by the appended claims to include examples of many such modifications.

1: housing supply part
2: transfer unit
3: assembly part
4: Mounting part
5: fusion part
6: fixed part
7: marking part
8: fixed shaft supply part
21 : Jig
22: transfer rail
23 : Conveyor
24: transition part
31: conversion rail
32: conversion carrier
33: conversion transfer unit
34: transfer unit
35: adhesion part
40: fixed shaft
41: fixed shaft sequential supply unit
42: fixed shaft detection unit
43: fixed shaft classification unit
44: fixed shaft sorting transfer unit
45: push rod
46: fixed shaft holder
47: fixed shaft alignment part
48: slide
100: lower housing
101: upper housing

Claims (5)

a lower housing supply unit for supplying the lower housing;
a transfer unit for transferring the jig on which the supplied lower housing is mounted;
a plurality of assembly units for inserting parts into the lower housing transferred by the conveying unit;
a cradle for raising the upper housing on top of the lower housing into which parts are inserted;
and a fusion part for fixing the upper housing raised by the mounting part by fusion bonding.
Safety loading device assembly equipment.
The method of claim 1,
the transfer unit
a plurality of transport rails installed in parallel to transport the jig;
a plurality of conveyors for transferring the jigs mounted on each transfer rail in different directions;
a switching unit for moving the jig transferred to the end of each transfer rail by the conveyor to another transfer rail;
It is installed at a preset position along the transport rail, characterized in that it comprises a plurality of fixing parts for fixing the position of the jig when the assembly part inserts the parts.
Safety loading device assembly equipment.
3. The method of claim 2,
the conversion unit
a conversion rail installed parallel to the transfer rail;
Characterized in that it comprises a conversion transfer unit for transferring the conversion rail so that the conversion rail extends in contact with one end of the plurality of transfer rails
Safety loading device assembly equipment.
The method of claim 1,
Further comprising a fixed shaft supply unit for supplying a fixed shaft in which a head is formed in one assembly portion of the plurality of assembly portions by aligning the head direction,
The fixed shaft supply unit
a fixed shaft sequential supply unit for sequentially supplying the fixed shafts one by one;
a fixed shaft detection unit for detecting a head position of a fixed shaft supplied by the fixed shaft sequential supply unit;
a fixed shaft classifying unit having insertion holes into which the fixed shaft is inserted;
and a fixed shaft sorting transfer unit for transferring the fixed shaft sorting part according to the head position detected through the fixed shaft detecting part to change the insertion hole into which the fixed shaft supplied from the fixed shaft sequential supply unit is inserted.
Safety loading device assembly equipment.
5. The method of claim 4,
The fixed shaft supply unit
a pusher for pushing and discharging the fixed shaft inserted into the insertion hole of the fixed shaft sorting unit in the direction in which the head is disposed;
a fixed shaft holder into which the fixed shaft discharged by the push rod is inserted from the head;
When the fixed shaft is inserted into the fixed shaft holder, it characterized in that it further comprises a fixed shaft aligning unit for rotating the fixed shaft holder so as to pick up the fixed shaft from the upper portion.
Safety loading device assembly equipment.

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