KR102069149B1 - Jig assembly for thomson knife automatic welding - Google Patents

Abstract

The present invention relates to a jig assembly for a wood die knife automatic welding device, fixed jig fixed to the automatic welding device to support one end of the wood die knife; A movable jig movably coupled to the automatic welding device to support the other end of the wood die knife supported by the fixed jig at one end thereof, wherein the fixed jig includes: a first end of the wood die knife inserted into the front end thereof; A fixed jig body having a coupling surface formed thereon; One end is inserted into the fixing jig body and the other end is exposed to the outside of the fixing jig body to support the lower end of the wood die knife coupled to the insertion groove so that the other end of the wood die knife is in the correct position of the moving jig. It characterized in that it comprises a guide shaft for guiding to be coupled.

Description

JIG ASSEMBLY FOR THOMSON KNIFE AUTOMATIC WELDING}

The present invention relates to a jig assembly for a wood die knife automatic welding device, and more particularly to a jig assembly that can accurately hold the welding position of the wood die knife when welding the wood die knife.

A dieboard is generally called a die, thomson die or a knife die and consists of a plate-shaped support and a number of thomson knives and punches combined with the support. This support is made of steel plate, wood or resin, and is cut or processed by laser or SCSI in the shape as shown below. In addition, the Thompson knife is cut and bent with cutting machines and bending machines, and is pressed together with punches in various forms in the sketch space of the cut processed support.

Wood die knife used in the wood die is bent or cut the plate shape having a predetermined length into the shape of the groove corresponding to the sketch shape by using a variety of cutters, bending machines, etc., as mentioned above, Both ends of the plate bent in the shape of must be fixed to each other, for this purpose is welded after the both ends of the plate.

Welding work of wood die knife can be done manually by skilled workers who specialize in welding, but the use of automatic welding apparatus is gradually increasing as the number of skilled workers decreases. However, most of the automatic welding devices are mainly used in the production of vehicle bodies such as ships and vehicles, or those used in the production of materials such as large metal panels or pipes. There is a constraint that is not suitable for welding.

In order to solve such a problem, the applicant has filed a patent application No. 10-1616340, "Automatic welding device for welding a metal mold knife".

1 is an exemplary view showing an example of a conventional wood knife automatic welding device. As shown in the drawing, the conventional wood die knife automatic welding device 10 includes a wood die knife A on a pair of welding jigs 15 and 17 spaced apart from the upper portion of the welding main body 11, and a welding torch. (13) moves to weld the wood knife (A).

At this time, the first welding jig 15 of the pair of welding jig (15, 17) is fixed to the welding main body 11, the second welding jig 17 is provided to be movable on the welding main body (11). . After the worker arranges one end of the wood die knife A in the first welding jig 15, the second welding jig 17 is moved to support the other end of the wood die knife A.

However, when the first welding jig 15 is not positioned in the correct position when one end of the wood die knife A is supported, the second welding jig 17 does not accurately support the other end of the wood die knife A. There was a problem that the wooden knife (A) is eccentric or tilted.

If the wood die knife (A) is not located in the right position is a poor welding occurs productivity is reduced.

In addition, when a thin metal knife A is placed between the first welding jig 15 and the second welding jig 17, the lower part of the wood knife A is an empty space, so There was a problem that a hole was drilled in the welding area of the mold knife A.

An object of the present invention is to solve the above-described problems, to provide a jig assembly for a wood die knife automatic welding device that can accurately support a wood die knife.

Another object of the present invention is to provide a jig assembly for a wood knife automatic welding device that can be used interchangeably with a wood knife having a different length and shape.

The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention by those skilled in the art.

An object of the present invention can be achieved by a wood die knife jig assembly coupled to the automatic welding device for wood die knife welding to support both ends of the wood die knife. The knife jig assembly of the present invention, the fixed jig fixedly coupled to the automatic welding device for supporting one end of the wood die knife; A movable jig movably coupled to the automatic welding device to support the other end of the wood die knife supported by the fixed jig at one end thereof, wherein the fixed jig includes: a first end of the wood die knife inserted into the front end thereof; A fixed jig body having a coupling surface formed thereon; One end is inserted into the fixing jig body and the other end is exposed to the outside of the fixing jig body to support the lower end of the wood die knife coupled to the insertion groove so that the other end of the wood die knife is in the correct position of the moving jig. It characterized in that it comprises a guide shaft for guiding to be coupled.

According to one embodiment, the guide shaft is elastically compressed and stretched with respect to the fixing jig body may be provided with a variable length.

According to one embodiment, the guide shaft may be provided in a square or circular cross section corresponding to the shape of the wood knife.

Jig assembly for wood die knife automatic welding device according to the present invention allows the guide shaft to support the lower portion of the wood die knife horizontally so that the moving jig is fitted to the wood die knife at the correct position.

In addition, since the guide shaft is in contact with the lower portion of the wooden knife knife can solve the conventional problem that the hole was formed during welding.

In addition, when the elastic member is coupled to the guide shaft can be used interchangeably with a wood die knife having a variety of lengths.

Figure 1 is a side view showing the configuration of a conventional wood die knife automatic welding device,
Figure 2 is an exploded perspective view showing the configuration of a jig assembly for a wooden die knife automatic welding device according to an embodiment of the present invention,
Figure 3 is an exemplary view showing a state in which the wood die knife is coupled to the jig assembly for wood die knife automatic welding device according to an embodiment of the present invention,
Figure 4 is an exploded perspective view showing an exploded configuration of the jig assembly for a wooden die knife automatic welding device according to a modification of the present invention,
5 is an exemplary view illustrating a state in which a wood die knife is coupled to a jig assembly for a wood die knife automatic welding device according to a modification of the present invention.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Embodiment of the present invention may be modified in various forms, the scope of the invention should not be construed as limited to the embodiments described in detail below. This example is provided to more completely explain the present invention to those skilled in the art. Therefore, the shape of the elements in the drawings and the like may be exaggerated to emphasize a more clear description. It should be noted that the same members in each drawing are sometimes indicated by the same reference numerals. Detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention are omitted.

2 is a perspective view showing the configuration of a jig assembly 100 according to an embodiment of the present invention. As shown, the jig assembly 100 according to an embodiment of the present invention is a fixing jig 110 is fixed to the upper end of the welding body 11 of the automatic welding device (10 of FIG. 1), the fixing jig 110 It includes a moving jig 120 is provided to be movable in a direction opposite to.

Here, the guide jig 115 having a predetermined length is inserted into the fixing jig 110 to support a lower end of the wood-shaped knife A disposed between the fixing jig 110 and the moving jig 120. Since the neck knife (A) is seated on the fixing jig 110 while the guide shaft 115 is coupled to the fixing jig 110, the guide shaft 115 is stably attached to the moving jig 120 without being eccentric or inclined. Can be combined.

Fixing jig 110 is fixed jig main body 111 is fixedly coupled to the welding main body 11, the recessed inwardly formed in the front end of the fixed jig main body 111 is inserted into one end of the wood die knife (A) It includes a first coupling surface 113, the guide shaft 115 coupled to the inside of the fixed jig body 111 to support the lower end of the wood knife (A).

The fixed jig body 111 is provided with a shaft insertion groove 112 penetrating therein as shown in (c) of FIG. The guide shaft 115 is formed in a rod shape having a predetermined length and one end is inserted into the shaft insertion groove 112.

One end of the guide shaft 115 is provided to be completely inserted into the fixing jig body 111 as shown in (b) and (c) of FIG. At this time, the exposure length ℓ2 of the guide shaft 115 exposed to the outside of the fixed jig main body 111 may be the other end of the guide shaft 115 to contact the second coupling surface 123 of the moving jig 120. It is provided with a length.

As shown in (a) of FIG. 3, when one end of the wood die knife (A) is coupled to the first coupling surface 113 in a state in which the guide shaft 115 is inserted into the fixing jig main body 111, the wood die knife The guide shaft 115 supports the lower portion of (A). As a result, the wood knife A is guided horizontally by the guide shaft 115.

In this state, when the moving jig 120 approaches, the other end of the horizontally located wood die knife A may be accurately positioned on the second coupling surface 123 of the moving jig 120. When the wood die knife A is positioned on the second engagement surface 123 of the moving jig body 121, the tip end of the guide shaft 115 is brought into contact with the second engagement surface 123 of the moving jig body 121. do.

The moving jig 120 is provided on the welding body 11 so as to be linearly movable with respect to the fixing jig 110. In the standby state, the movable jig 120 is spaced apart from the fixed jig 110, and when the metal jig knife A is disposed on the jig 110 for welding, the jig knife (manual or automatic) is made by a worker. It is moved to a position capable of supporting the other end of A).

The moving jig 120 includes a moving jig main body 121 and a second coupling surface 123 formed at the front end of the moving jig main body 121 on which the other end of the wood knife A is seated.

An automatic welding process of the wood die knife (A) using the jig assembly 100 according to an embodiment of the present invention having such a configuration will be described with reference to FIGS. 2 and 3.

As shown in FIG. 2, the fixing jig 110 and the moving jig 120 are spaced apart from each other before the automatic welding. The worker mounts the wood die knife (A) to the fixing jig (110). One end of the wood die knife (A) is seated on the upper surface of the guide shaft 115 while inserting the first coupling surface (113).

In this state, the moving jig 120 moves to the other end side of the wood die K. As shown in FIG. 3, when the lower portion of the second coupling surface 123 of the moving jig body 121 is in contact with the tip of the guide shaft 115, the other end of the wood die knife A is coupled to the second coupling surface 123. In place.

The tool jig (A) is guided by the guide shaft 115 only by a process in which the moving jig 120 is moved toward the tool jig (A) without the worker aligning the position of the tool jig (A) separately. The fixed jig 110 and the moving jig 120 is positioned in place. Since the position of the wood die knife (A) is stabilized, the welding quality by the welding torch 13 may also be improved. In particular, since the guide shaft 115 contacts and supports the lower portion of the wood knife A, it is possible to prevent the formation of holes during welding.

Here, although the cross section of the guide shaft 115 is formed in a rectangular bar shape, this is only an example and may be formed in a circular bar shape.

On the other hand, Figure 4 is a perspective view showing the configuration of the jig assembly 100a according to a modification of the present invention.

Jig assembly 100 according to the embodiment described above was provided with a wood die knife (A) having a flat plate shape. As a result, the flat surface of the upper surface of the guide shaft 115 had a rectangular shape.

On the other hand, the jig assembly 100a according to the modification is provided with a wood die knife (A ') in the form of a hollow tube, as shown in (a) of FIG. Then, the fixing jig 110a is provided with an elastic guide shaft 130 that can be elastically variable in length.

The elastic guide shaft 130 is exposed to the outside of the fixing jig (110a) as shown in Figure 4 (b) and the outer guide shaft 131 for supporting the wood knife (A '), one end is an outer guide The other end is coupled to the shaft 131 and the other end includes an internal support shaft 133 inserted into the fixing jig 110a and an elastic member 135 for elastically supporting the internal support shaft 133.

Since the elastic guide shaft 130 is elastically compressible by the elastic member 135, the length exposed to the outside of the fixing jig 110a may vary. As a result, the length of the wooden knife A 'that the external guide shaft 131 can support may be varied.

At this time, the inside of the moving jig 120a is provided with a contact compression shaft 125 for supporting the wood die knife A 'of the cylindrical tube.

 The outer guide shaft 131 of the elastic guide shaft 130 is inserted into the inside of the wood knife (A ') as shown in Figure 5 (c) to support the wood knife (A') horizontally. When the moving jig 120a moves in this state, the contact pressing shaft 125 of the moving jig 120a is inserted into the other end of the wood knife A 'and contacts the outer guide shaft 131.

The elastic member 135 is compressed to a length (W2) shorter than the initial length (W1) by the contact pressure of the contact compression 125 and the outer guide shaft 131, the outer guide to match the length of the wood knife (A ') The external exposure length of the shaft 131 and the inner support shaft 133 is adjusted.

As a result, while the guide shaft 115 described above can support only the wood die knife A of a predetermined length, the elastic guide shaft 130 can be used interchangeably with the wood die knife A 'of various lengths. There is this.

As described above, the jig assembly for the wood die knife automatic welding device according to the present invention allows the guide shaft to horizontally support the bottom of the wood die knife so that the moving jig is fitted to the wood die knife at the correct position.

In addition, since the guide shaft is in contact with the lower portion of the wooden knife knife can solve the conventional problem that the hole was formed during welding.

In addition, when the elastic member is coupled to the guide shaft can be used interchangeably with a wood die knife having a variety of lengths.

Meanwhile, the anti-corrosion coating layer may be applied to the fixing jig 110 and the moving jig 120 to prevent corrosion of the metal surface, and the coating material of the anti-corrosion coating layer may be 20 wt% of toytriazole and benzimi. It consists of 15% by weight of dazole, 10% by weight of trioctylamine, 15% by weight of hafnium, 40% by weight of aluminum oxide, and the coating thickness is 8㎛.

Tolyltriazole, benzimizol and trioctylamine serve as corrosion protection and discoloration prevention.

Hafnium is a corrosion-resistant transition metal element that serves to have excellent water resistance and corrosion resistance.

 Aluminum oxide is added for the purpose of fire resistance, chemical stability, and the like.

The reason for limiting the numerical value and the coating thickness of the components as described above, the inventors have analyzed through the test results several times, showed the optimum corrosion protection effect at the ratio.

In addition, the anti-fouling coating layer made of the anti-fouling coating composition may be applied to the guide shaft 115 so as to effectively achieve the prevention and removal of contaminants.

The antifouling coating composition contains alkanolamide and ampopropionate in a molar ratio of 1: 0.01 to 1: 2, and the total content of alkanolamide and ampopropionate is 1 to 10 based on the total aqueous solution. Weight percent.

The alkanolamide and ampopropionate are preferably in a molar ratio of 1: 0.01 to 1: 2. If the molar ratio is out of the above range, the coating property of the substrate may be lowered or the moisture absorption of the surface may be increased after application, thereby forming a coating film. There is a problem that is eliminated.

The alkanolamide and ampopropionate have a problem in that 1 to 10% by weight of the total composition aqueous solution is preferred. If the content is less than 1% by weight, the applicability of the substrate is lowered. Precipitation is likely to occur due to an increase.

On the other hand, it is preferable to apply | coat by the spray method as a method of apply | coating this antifouling coating composition to the guide shaft 115. The final coating film thickness of the guide shaft 115 is preferably 500 to 2000 kPa, more preferably 1000 to 2000 kPa. If the thickness of the coating film is less than 500 mm 3, there is a problem of deterioration in the case of high temperature heat treatment, and if the thickness of the coating film is more than 2000 mm 3, crystal precipitation of the coating surface is liable to occur.

In addition, the present antifouling coating composition may be prepared by adding 0.1 mol of alkanolamide and 0.05 mol of ampopropionate to 1000 ml of distilled water, followed by stirring.

The embodiment of the jig assembly for a wooden die knife automatic welding device of the present invention described above is merely exemplary, and those skilled in the art to which the present invention pertains various modifications and other equivalent embodiments therefrom You can see that it is possible. Therefore, it will be understood that the present invention is not limited to the forms mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims. It is also to be understood that the present invention includes all modifications, equivalents and substitutions within the spirit and scope of the invention as defined by the appended claims.

10: automatic welding device 11: welding body
113: welding torch 100: jig assembly
110: fixing jig 111: fixing jig body
112: shaft insertion groove 113: the first coupling surface
115: guide shaft 120: moving jig
121: moving jig body 123: second coupling surface
125: contact compression 130: elastic guide shaft
131: external guide shaft 133: internal support shaft
135: elastic member
A, A ': wood knife

Claims (3)

In the wood die knife jig assembly coupled to the automatic welding device for wood die knife welding, supporting both ends of the wood die knife,
A fixed jig 110 fixedly coupled to the automatic welding device to support one end of the wood knife;
Includes a movable jig 120 is movably coupled to the automatic welding device to support the other end of the die-shaped knife is supported on one end of the fixed jig 110,
The fixing jig 110,
A fixed jig body 111 having a first coupling surface 113 into which one end of the wood knife is inserted at a tip end thereof;
One end is inserted into the fixing jig main body 111 and the other end is exposed to the outside of the fixing jig main body 111 to support the lower end of the wood knives coupled to the shaft insertion groove 112 to contact the A guide shaft (115) for guiding the other end to be coupled to the correct position of the movable jig (120);
The guide shaft 115 is elastically compressed and stretched with respect to the fixed jig body 111, jig assembly for wood die knife automatic welding device, characterized in that the variable length is provided.
delete The method of claim 1,
The guide shaft 115 is a jig assembly for a wood die knife automatic welding device, characterized in that the cross section is provided in a square or circular to correspond to the shape of the wood die knife.

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