KR20100037839A - Cutting device for regeneration lifting lug - Google Patents

Abstract

PURPOSE: A cutting device for a regeneration lifting lug is provided to reduce costs by automatically flattening the ct surface of a lug body and a lug bracket. CONSTITUTION: A cutting device for a regeneration lifting lug comprises a fixed frame(10), a lug support stand(20), a transfer rail(30), a base(40), a first cutting part(60), a first arm(50), a transfer slider driving part(70), a second cutting part(90), and a second arm(80). The lug support stand is installed on one side of the fixed frame. The transfer rail is installed horizontally on the other side fixed frame. The base is coupled to the transfer rail and held and transferred through the transfer rail. The first cutting part improves one side of a lug settled in the lug support stand. The first arm transfers the first cutting part in the perpendicular direction to the base. The transfer slider driving part comprises a transfer slider vertically reciprocating. The second cutting part cuts one side of the lug. The second arm is installed between the transfer slider driving part and the second cutting part and transfers the second cutting part in the perpendicular direction to the transfer slider.

Description

Recycling Lug Cutting Machine {CUTTING DEVICE FOR REGENERATION LIFTING LUG}

The present invention relates to a regeneration lug cutter, and more particularly, to a regeneration lug cutter that can be reused by cutting the mounting of the regeneration lug to be removed after assembling the vessel.

In the construction of the ship, the basic performance and specifications of the ship are determined from the conditions of use, size, etc. of the ship, and designed according to these performances and specifications.After the design is completed, the ship is divided into individual blocks, assembled and assembled It is connected and dried.

In the process of assembling and connecting the ship's block during the drying process, the block and the block are connected by using a large crane due to the large volume and weight of the block.

At this time, in order to lift or move the block to the crane it is necessary to connect the crane to the block.

In order to make such a connection part, as many lugs as necessary are installed in each block at appropriate positions.These lugs are manufactured separately and welded to the required parts, and the hooks of the crane are hooked to the lugs to transport the blocks. At the end of the process the used lugs are separated from the block.

At this time, the bottom surface of the lug bracket and the lug body for supporting the lug body, which can not damage the block is cut off.

In order to reuse the lugs separated from the block, a new lug bracket is conventionally used by combining the lug body removed from the block, or evenly modifying the cutting surface of the lug body and the lug bracket, and when the block and lug are firmly combined. The lugs were reused by making additional improvements to the cut surface so that they could be fixed.

In this work, when the new bracket is coupled to the lug, there is a problem that additional costs arise as the conventional bracket is discarded, and even if both the bracket and the lug body are reused, the work of modifying the cutting plane and the improvement work are performed separately. Should have been a problem that additional cost and time was consumed.

The present invention has been made to solve the above-mentioned problems of the prior art, to provide a regeneration lug cutter that performs an improvement work while simultaneously cutting the cut surface of the lug separated from the block.

The regeneration lug cutter according to the present invention is coupled to a fixed frame, a lug support installed on one side of the fixed frame, and a lug support seated thereon, a transfer rail installed horizontally with the fixed frame on the other side of the fixed frame, and coupled to the transfer rail. A first cutting part for cutting one side of the lug mounted on the base and rested on the lug support, and a first arm provided on one side of the base to transfer the first cutting part perpendicular to the base ( arm), a feed slider drive unit including a feed slider coupled to the other side of the base and linearly reciprocating up and down, a second cutting unit installed at the feed slider drive unit to cut one side of the lug, a feed slider drive unit and a second cut unit It is installed between the second arm to transfer the second cut portion perpendicular to the movement direction of the slider.

In addition, the lug support includes a rail structure consisting of a pair of parallel rails and two or more lug support plates movably coupled to the rail structure and on which lugs are installed.

In addition, a rack gear is installed in the longitudinal direction of the conveying rail between the conveying rails, and the motor is provided with a drive gear coupled to the rack gear.

In addition, the first arm is made of a linear actuator reciprocating the first actuator, the first cutting portion is a bracket coupled to the end of the rod of the first actuator, a pair of welding torch coupled to adjust the angle at both ends of the bracket Include.

In addition, the feed slider drive unit has a sub-base having a length in the vertical direction, a drive motor coupled to one side of the sub base, a screw shaft coupled to the drive shaft of the drive motor, screwed to the screw shaft is screwed by the rotation of the drive shaft It includes a feed slider that feeds on the axis.

In addition, the second arm includes a second actuator for linear reciprocating movement, a gear box installed between the second actuator and the transfer slider, and a motor for driving the gear box.

In addition, the second cutting portion is made of a welding torch coupled to the rod of the second actuator.

In addition, the support base extending in the direction of the lug support is installed on the upper portion of the subbase, the positioning cylinder which is driven by hydraulic or pneumatic pressure is installed on the other side of the support, the rod of the positioning cylinder of the lug installed on the lug support It includes a position sensor for measuring the height.

The regenerated lug cutter according to the present invention configured as described above can reduce the cost incurred by separately performing the planarization work and the improvement work by automatically flattening the cut surface of the lug body and the lug bracket and improving the work. By automatically transferring the cutting part and the second cutting part, and flattening and improving, it is possible to obtain an effect of providing a standardized lug in regenerating lugs separated from the block.

In addition, it is possible to obtain the effect of providing a general-purpose regenerated lug cutter capable of operating various types of lugs.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the regeneration lug cutter according to the present invention will be described. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following examples are not intended to limit the scope of the invention, but merely illustrative of the components set forth in the claims of the present invention, which are included in the technical spirit throughout the specification of the present invention and components of the claims Embodiments including substitutable components as equivalents in may be included in the scope of the present invention.

Example

 1 is a perspective view of a regeneration lug cutter according to an embodiment of the present invention, Figure 2 is a perspective view of the first arm and the first cut portion shown in Figure 1, Figure 3 is a feed slider drive unit shown in FIG. 2 is a perspective view of the second arm and the second cutout, FIG. 4 is a partial cutaway view of the second actuator and the second actuator support plate shown in FIG. 1, and FIG. 5 is a state diagram of the regeneration lug cutter shown in FIG. 1.

Referring to FIG. 1, a regeneration lug cutter 1 according to an exemplary embodiment of the present invention includes a lug support on which a fixed frame 10 and a lug sliding and installed on one side of the fixed frame 10 are seated, and a fixed frame. A transport rail installed horizontally with the fixed frame 10 on the other side of the 10, a base 40 coupled to the transport rail and constrained by the transport rail, and installed on the base 40 and the lug support 20 First arm 60 for improving one side of the lug seated on the first arm, and a first arm (50) installed on one side of the base 40 to transfer the first cut portion 60 perpendicular to the base 40 And a feed slider driver including a feed slider 79 coupled to the other side of the base 40 and moving up and down linearly, a second cutting part installed at the feed slider drive and cutting one side of the lug, and a feed slider drive part. And the feed slice installed between the second cutting part Of a second arm (80) for vertically feeding the second cutting unit in the direction of movement.

The fixed frame 10 is a base on which the regeneration lug cutter 1 is formed, and is composed of a pair of parallel frames 11 and a square frame 13 coupled to a lower portion of the parallel frame 11, and parallel to each other. The lug support 20 on which the lug separated from the block of the ship is mounted is installed on the inner surface of the frame 11.

Two or more vertical frames 15 are coupled to one upper surface of the square grid forming the fixed frame 10 perpendicular to the upper surface of the fixed frame 10.

The vertical frame 15 is coupled to a horizontal frame 17 that connects the vertical frame 15 and the vertical frame 15 at a position corresponding to the height of the portion of the lug support 20 where the lug is seated. At this time, the horizontal frame 17 is fixed between the vertical frame 15 and the vertical frame 15 to prevent the twist of the vertical frame 15.

In addition, a horizontal frame 17 'is additionally installed on the vertical frame 15 and the upper part of the vertical frame 15, and the extension plate 18 extending in the direction of the lug support 20 on the horizontal frame 17'. Is installed, the lower surface of the extension plate 18 is provided with a laser pointer 19 indicating the cutting position of the lug 100 is installed on the lug support 20.

2, the transport rail 30 is horizontally coupled to the fixed frame 10 on the side of the horizontal frame 17 in the direction of the square frame 13.

The conveying rail 30 restrains the base 40 coupled to the conveying rail 30 so that the base 40 is linearly reciprocated along the conveying rail 30. Two are installed parallel to the side of the direction in the vertical direction, the slider 31 is coupled to the slide rail 31 is coupled to the transfer rail 30, the base 40 is coupled to the slider 31 The base 40 is restrained by the conveying rail 30 to perform a linear reciprocating motion along the horizontal frame 17.

At this time, the first arm 50 having a rod reciprocating linearly on the side of the lug support direction of the base 40 is vertically coupled to the base 40 in the lug support direction, and the lug support ( The first cut portion 60 is coupled to improve the cut surface of the lug seated at 20).

In addition, one side of the base 40 is coupled to the feed slider drive unit 70 including a feed slider 79 for linear reciprocating motion in a vertical frame 15, the feed slider 79 is made in the direction of the lug support Two arms 80 are coupled to transfer the second arm 80 according to the movement of the transport slider 79.

The second arm 80 is driven by the motor 87 by performing the linear reciprocating motion of the second cutting unit 90, and the second cutting unit 90 is coupled to the rod 86 of the second arm 80. The linear reciprocating motion is performed according to the movement of the rod 86 of the second arm 80.

Looking at the lug support 20 on which the lug 100 is seated with reference to Figure 1 in more detail as follows.

The lug support 20 includes a rail structure consisting of a pair of parallel rails 23 and two or more lug support plates 25 which are movably coupled to the rail structure and on which lugs are installed.

The pair of parallel rails 23 are installed on the inner surface of the parallel frame 11 installed on the fixed frame 10 so as to face each other in the horizontal frame 17 direction to form a pair of rail structures, and the parallel rails 23 The sliding guider 23a is seated.

At this time, two guiders 23a are seated on each of the parallel rails 23, and the lug support plates 25 are coupled to the guiders 23a to move along the horizontal frame 17 in the balance rails.

Therefore, by adjusting the distance between the lug support plate 25 and the lug support plate 25 it is possible to seat the lugs of various sizes and shapes on the lug support plate 25.

Referring to FIG. 2, the base 40, the first arm 50, and the first cutout 60 are described in detail as follows.

A rack gear 32 is installed between the feed rails 30 in the longitudinal direction of the feed rail 30, and the base 53 has a motor 53 coupled to a drive gear 53a engaged with the rack gear 32. Is installed.

Between the transfer rails 30 installed on the side of the horizontal frame 17 in the direction of the square frame 13, the rack gear 32 is installed in the direction of the transfer rail 30 and the base is slidingly coupled to the transfer rail 30 ( The through hole 41 is formed in the 40.

The through-hole 41 has a motor 53 coupled to the drive shaft with a drive gear 53a coupled to the drive gear so that the drive gear meshes with the rack gear 32.

Therefore, when the motor 53 is driven, the base 40 is transferred along the transfer rail 30.

The first arm 50 coupled to the base 40 is composed of a first actuator 51 reciprocating linearly, and the first cut portion 60 is a bracket coupled to the end of the rod of the first actuator 51 ( 61) and a pair of welding torches 69 are coupled to the bracket 61 so as to adjust the angle at both ends.

The first arm 50 coupled to the base 40 is composed of a first actuator 51 driven hydraulically or pneumatically, and a bracket 61 is coupled to an end of the rod of the first actuator 51. Both welding torch 69 is coupled to both ends of the bracket 61 to adjust the angle.

The first actuator 51 drives back and forth the rod of the first actuator 51 by using hydraulic pressure and pneumatic pressure, and the center portion of the rod-shaped bracket 61 which is symmetric in the vertical direction is coupled to the end of the rod.

The rod-shaped bracket 61 is coupled to the positioning lever 63, the length of which is adjusted in the center direction of the bracket 61, one end of the positioning lever 63 is hinged to the welding torch 69.

At this time, a hinge shaft (69a) is coupled to the welding torch 69, the hinge shaft (69a) is coupled to the circular clamp 67 is coupled in the center direction of the positioning lever (63).

In the present embodiment, the first actuator 51 driven by hydraulic pressure or pneumatic pressure is used, but an actuator driven by a motor may be used, such as the second actuator 85 which will be described in detail according to the use environment. In this case, the actuator supporting plate of the second actuator to be described later is installed in the base 40 .

3 and 4, the feed slider driver 70 coupled to one side of the base 40, the second arm 80, and the second cutout are described in detail. The feed slider driver 70 may be disposed in an up and down direction. A subbase 71 having a length, a drive motor 73 coupled to one side of the subbase 71, a screw shaft 77 coupled to a drive shaft of the drive motor 73, and a screw shaft 77. It includes a feed slider (79) screwed and conveyed from the screw shaft (77) by the rotation of the drive shaft.

The sub base 71 forms the basis of the feed slider driver 70 and is fixed in parallel to the vertical frame 15 on one side of the base 40 in the direction of the lug support.

On the upper and lower sides of the sub base 71, the first bracket 71b coupled to the driving motor 73 and the second bracket supporting the screw shaft 77 are formed perpendicular to the lug support direction on the sub base 71. 71c) are coupled and linear guides 71a are formed at both sides of the subbase 71 in the height direction of the subbase 71 .

A hole is formed in the first bracket 71b coupled to the drive motor 73 so that the drive shaft of the drive motor 73 can pass therethrough, and a bushing in which one end of the screw shaft 77 is coupled to the second bracket 71c. Holes (not shown) are combined.

A coupling 75 is coupled to the drive shaft of the drive motor 73 to connect the screw shaft 77 and the drive shaft. Accordingly, the screw shaft 77 rotates according to the rotation of the drive motor 73.

The bushing rotatably coupled to the end of the screw shaft 77 is coupled to the hole of the second bracket 71c, and the bearing is provided therein to reduce the frictional force generated by the rotation of the screw shaft 77.

The feed shaft 79 is coupled to the screw shaft 77 coupled to the drive shaft to linearly reciprocate along the screw shaft 77 by the rotation of the screw shaft 77.

The feed slider 79 is composed of a ball screw screw holder coupled with a ball screw screw so as to be transported along a groove formed in the outer circumferential surface of the screw shaft 77. The linear guide 71a of the sub base is provided on one side of the ball screw screw holder. ) abuts a linear guide block (79a) to prevent the feed slider 79 during the rotation of the screw shaft 77 is rotated is installed on.

Looking specifically at the second arm 80 coupled to the transfer slider 79, the second arm 80, the second actuator 85 and the second actuator 85 and the transfer slider (79) linearly reciprocating It is provided between the gear box 81 for rotating the second actuator 85, and a motor 82 for driving the gear box 81.

The gear box 81 decelerates the rotational speed of the motor 82 and changes the rotation axis of the motor 82. The rotation disc 81a is provided on the drive shaft to which the driving force of the motor 82 connected to the gear box 81 is transmitted. Is coupled, the second actuator 85 is installed on the rotation disk 81a, and rotates the second actuator 85 in accordance with the driving of the motor 82.

The second actuator support plate 83 is coupled to the rotating disc 81a, and the driving pulley of the motor 87 for linearly moving the rod 86 of the second actuator 85 to the second actuator support plate 83. 87a) and a hole 83a into which the driven pulley 85c for transmitting rotational force to the rotational shaft of the second actuator 85 is formed, and the hole 83a of the support plate 83 communicates with and drives in the interior of the support plate. A band 88 is installed between the pulley 87a and the driven pulley 85c to transmit the rotational force of the drive pulley 87a to the driven pulley 85c.

The second actuator 85 has a threaded rotary shaft 85b, a movable block 85d screwed to the rotary shaft, and a side of the movable block 85d and installed inside the body 85a of the second actuator 85. It consists of a roller 85e which abuts and the rod 86 installed in one side of the moving block 85d.

The rotary shaft 85d of the second actuator 85 has a thread formed on the outer circumferential surface thereof in the same manner as the screw shaft 77, and the moving block 85d is screwed to the rotary shaft 85d.

At this time, the upper and lower sides of the moving block 85d prevents the moving block 85d from rotating along the rotating shaft when the rotating shaft 85d is rotated, and the moving block 85d abuts inside the second actuator body 85a. A roller 85e is provided to prevent friction from occurring.

The other side of the moving block (85d) is coupled to the rod 86 of the second actuator to transfer the moving block (85d) back and forth inside the second actuator body (85a) in accordance with the rotation of the rotary shaft (85b), the moving block The rod 86 of the second actuator is transferred according to the movement of 85d, and the second cut portion 90 consisting of a circular clamp 91 and a welding torch 93 is formed at the end 86 of the rod of the second actuator. Is coupled to be transported back and forth by the rod of the second actuator.

Therefore, the welding torch 93 coupled to the rod end of the second actuator 85 is moved up and down in accordance with the driving of the screw shaft 77 installed in the subbase 71, and the gear box 81 and the second actuator. (85) Linear reciprocation and rotation by the driving of the motors 82, 87 coupled to the support plate.

In addition, the support base 72 extending in the direction of the lug support 20 is installed on the upper portion of the sub base 71, and the positioning cylinder 72a driven by hydraulic or pneumatic pressure is installed on the other side of the support 72. The position detecting sensor 72b is installed on the rod of the positioning cylinder 72a to measure the height of the lug 100 installed on the lug support 20.

The support 72 supports the position measuring cylinder 72a and the position sensor 72b installed in the support 72 and is formed in the shape of a square plate and coupled to the upper one side of the sub base 71.

On the other side of the support 72, that is, the lug support 20, the body of the positioning cylinder 72a driven by pneumatic or hydraulic pressure is installed so that the rod of the positioning cylinder 72a faces downward.

At this time, the position sensor 72b is installed at the end of the rod of the position measuring cylinder 72a to measure the height of the lug 100 installed on the lug support 20, and various known as the position sensor 72b. Contact sensors are used.

Looking at the operation of the regeneration lug cutter 1 with reference to Figure 5 as follows.

After adjusting the gap between the lug support plate 25 and the lug support plate 25, the lug 100 separated from the ship is seated on the lug support plate 25. At this time, since the laser pointer 19 indicates the edge portion of the lug 100 to be cut, the lug on the lug support plate 25 so that the edge to be cut of the lug 100 may be in the position indicated by the laser pointer 19. Seat.

The lug 100 seated on the lug support plate 25 is flattened by first cutting the edges of the portions 101 and 102 parallel to the lug support plate 25, and then cutting the edges of the portion 103 perpendicular to the lug support plate 25. To flatten and improve.

A welding torch 93 provided on the second arm 80 is used to cut the edges of the portions 101 and 102 parallel to the lug support plate 25, wherein the welding torch 93 is the second actuator support plate 83. Using a motor (87) coupled to the) in the state rotated 90 ° from the ground to cut the flat portion of the edge parallel to the lug support plate (25).

The edge cutting operation of the portion perpendicular to the lug support plate 25 is performed by using the welding torch 93 installed on the second arm 80 in the same manner as the cutting operation of the portion parallel to the lug support plate 25. The welding torch 93 installed in the second arm is rotated in the direction of the ground to transfer the second arm 80 from one side of the portion perpendicular to the lug support plate 25 to the other side.

During the transfer of the second arm 80, the welding torch 93 is parallel with the lug support plate by rotating the welding torch 93 when the welding torch 93 cannot interfere with the portions 101 and 102 parallel to the lug support plate. Cut the connecting portion of one portion 101, 102 and the portion 103 perpendicular to the lug support plate, and then move to the opposite position of the portions 101, 102 parallel to the lug support plate that interfered with the welding torch 93. The cut is made.

When the cutting of the portions 101 and 102 perpendicular to the lug support plate is completed, the improvement work of the portion 103 perpendicular to the lug support plate is performed using the welding torch 69 installed on the first arm 50. The welding torch 69 used at this time is formed at a predetermined angle from the bracket 61 installed on the first arm 50, so that interference is not generated in the portion 103 perpendicular to the lug support plate, and thus continuous improvement work is performed. It can be carried out.

In this process, the position detection sensor 72b can safely perform the regeneration process of the lug 100 by measuring the height of the lug 100 to limit the upper limit of the movement of the welding torch 93 installed on the second arm 80. Make sure

At this time, the oxygen and the welding fuel supplied to the welding torch (69, 93) of the first cutting unit 60 and the second cutting unit 90 may be provided with an electromagnetic pressure control valve, the main body of the lug using such an electromagnetic pressure valve And according to the thickness of the lug bracket may be performed by automatically adjusting the pressure of the flame and oxygen of the welding torch.

1 is a perspective view of a play lug cutter according to an embodiment of the present invention.

2 is a perspective view of the first arm and the first cut portion shown in FIG.

3 is a perspective view of the feed slider drive unit and the second arm and the second cutting unit shown in FIG.

4 is a partial cutaway view of the second actuator and the second actuator support plate shown in FIG.

Figure 5 is a state of use of the regeneration lug cutter shown in FIG.

<Explanation of symbols on main parts of the drawings>

One; Recycled lug cutter 10; Fixed frame

11; Parallel frame 13; Square frame

15; Vertical frames 17, 17 '; Horizontal frame

18; Extension plate 19; Laser pointer

20; Lug support 23; Parallel rail

23a; Guider 25; Lug support plate

30; Transfer rail 31; Slider

32; Lex gear 40; Base

41; Through-hole 50; First cancer

51; First actuator 53; motor

55; Load 60; 1st cutting part

61; Bracket 63; Positioning lever

67; Circular clamp 69; Welding torch

69a; Hinge axis 70; Feed slide drive

71; Subbase 71a; Linear guide

71b; First bracket 71c; 2nd Bracket

72; Support 72a; Positioning cylinder

72b; Position sensor 73; Drive motor

75; Coupling 77; Screw shaft

79; Feed slider 79a; Linear guide block

80; Second arm 81; Gearbox

82; Motor 83; Second Actuator Support Plate

85; Second actuator 85a; 2nd actuator body

85b; Axis of rotation 85c; Driven pulley

85d; Moving block 85e; roller

86; Load 87; motor

87a; Drive pulley 88; band

90; Second cut 91; Round clamp

93; Welding torch 100; rug

Claims (8)

Fixed frame; A lug support on which a lug sliding and installed on one side of the fixed frame is seated; A transport rail installed horizontally with the fixed frame on the other side of the fixed frame; A base coupled to the conveying rail and constrained to the conveying rail; A first cutting part installed on the base to improve one side of the lug seated on the lug supporter; A first arm installed at one side of the base to transfer the first cutting part perpendicular to the base; A transport slider driver coupled to the other side of the base and including a transport slider reciprocating vertically up and down; A second cutting part installed at the transfer slider driving part to cut one side of the lug; And And a second arm installed between the feed slider driver and the second cut part to transfer the second cut part perpendicular to the movement direction of the feed slider. The method of claim 1, The lug support is And a rail structure comprising a pair of parallel rails, and two or more lug support plates that are movably coupled to the rail structure and to which the lugs are installed. The method of claim 1, The rack is installed between the conveying rail in the longitudinal direction of the conveying rail, the base is provided with a regenerative lug cutter is provided with a motor coupled to the drive gear meshed with the rake gear. The method according to any one of claims 1 to 3, The first arm is composed of a first actuator for linear reciprocating motion, And the first cutting part further comprises a bracket coupled to the end of the rod of the first actuator, and a pair of welding torches coupled to the bracket so that angles are adjusted at both ends thereof. The method according to any one of claims 1 to 3, The feed slider drive unit A sub base having a vertical length; A driving motor coupled to one side of the sub base; A screw shaft coupled to the drive shaft of the drive motor; And And a feed slider which is screwed to the screw shaft and is fed from the screw shaft by rotation of the drive shaft. The method of claim 5, The second arm further comprises a second actuator for linear reciprocating movement, a gear box installed between the second actuator and the transfer slider and rotating the second actuator, and a motor for driving the gear box. Recycling Lug Cutting Machine The method of claim 5, The second cutting portion is a regeneration lug cutter, characterized in that consisting of a welding torch coupled to the rod of the second actuator. The method of claim 5, The support base extending in the direction of the lug support is installed on the upper portion of the sub base, a positioning cylinder which is driven by hydraulic or pneumatic pressure is installed on the other side of the support, and the rod of the positioning cylinder is installed on the lug support Regeneration lug cutter, characterized in that the position detecting sensor for measuring the height of the lug is installed.

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