KR20040082880A - A production method and system for making concrete drainage canal's wire mesh - Google Patents

Abstract

PURPOSE: A system and a method for manufacturing wire mesh of concrete drainage canal are provided to reduce labor power by automating socket part forming operation and socket part welding operation of the wire mesh and improve productivity by enabling the wire mesh to be manufactured uniformly. CONSTITUTION: The system(10) comprises a vertical wire supply part(20) comprising a bobbin(24) on which a bending part vertical wire(9) is coiled; a welding unit(30) comprising a steel wire extractor(31) for extracting the bending part vertical wire; a socket part forming unit(40) comprising a supporting member formed in multistage, a fixing member installed at an upper side of the supporting member and operated by cylinder, and a forming member formed on other cylinder operated to a corner side at which an upper part of the supporting member is contacted with a lower part of the supporting member, wherein the socket part forming unit is successively installed next to the welding unit; a socket welding unit(50) comprising operating electrodes respectively formed on a plural press cylinders vertically installed as a pair to receive power from a welding transformer(56), a corner forming member(51) formed between a pair of the operating electrodes and vertically operated by a cylinder(52), and a pair of supporting rollers(53) formed at the lower side of the corner forming member, wherein the socket welding unit is successively installed next to the socket part forming unit; a cutting unit(60) successively installed next to the socket welding unit; and a bending unit comprising a socket part pressing member formed at one side of pressing member, and a pair of operating supports operated on cylinder and connected to frame by hinge, wherein the operating range of the operating supports are limited by sensors.

Description

A production method and system for making concrete drainage canal's wire mesh}

The present invention relates to a wire mesh manufacturing system and a manufacturing method used as a framework of concrete drainage, and more specifically, in the manufacture of the wire mesh of the concrete drainage, forming the socket part of the wire mesh and welding the socket part The present invention relates to a wire mesh manufacturing system and a manufacturing method of a concrete drainage channel which can reduce labor rate by automating and reduce the defect rate and shorten the working time by manufacturing a uniform wire mesh.

In general, various drainage channels such as sewers, waterways, etc. are manufactured in various materials and shapes according to the purpose of use and the installation environment. Referring to FIG. 1, the configuration of representative concrete drainage channels among the various types of waterways is shown. (1) is formed in the "U" shape of the socket portion (3) extending than the body (2) on one side end of the upper body 2 is open, the other end of the other drainage of the same shape is the socket portion ( 3) can be installed continuously in the drainage bar, each of the drainage (1) is a concrete material therein includes a wire mesh as a frame for increased durability.

Looking at the configuration and manufacturing process of the wire mesh in connection with the present invention in more detail with reference to Figure 2, the wire mesh (5) is a spot welded steel wire in the form of a mesh of a number of forming process to match the shape of the drainage Bar welding, the welding step of extending the one end of the horizontal line (7) to form a socket portion of the drainage line to the spot welding to cross the first vertical line (6) and the horizontal line (7) And a cutting step of cutting the vertical wires 6 so that the wire meshes 5 continuously manufactured by the vertical wires 6 wound on the bobbin have a predetermined width, and the cut wire mesh 5 is "U" shaped. A bending step of bending to correspond to the shape of the drainage channel, a socket part forming step of bending the horizontal line 7 to match the shape of the socket part of the drainage wire socket part 8 of the bent wire mesh 5, and the bending Horizontal bend One completed wire mesh 5 is manufactured by the socket part welding step of spot welding the bent portion vertical line 9 to (7a).

Meanwhile, in the conventional wire mesh manufacturing process as described above, the welding step, the cutting step, and the bending step are automated by a series of apparatuses, whereas the socket forming step and the socket welding step are dependent on manual operation. Bar, the configuration of the conventional wire mesh manufacturing system as a device for performing the welding step, cutting step, bending step will be described in detail below with reference to FIGS.

Conventional wire mesh manufacturing system is composed of a welding device 30, a cutting device 60, a bending device 70, including a vertical line supply unit 20, first, the vertical line supply unit 20 and the apparatus for performing a welding step 3 and 4, the vertical line supply unit 20 includes a plurality of bobbins 22 wound around a plurality of steel wires supplied to the vertical lines 6 of the wire mesh 5. It is configured, the welding device 30 is a common means for pulling and transporting the respective steel wires supplied from the vertical line supply (20) for supplying the wire wire extractor 31 and the straight horizontal line (7) cut to a certain length A known horizontal line supply means (not shown) is provided and a welding means including a welding transformer 36 for spot welding the vertical line 6 and the horizontal line 7.

The welding means is composed of a pair of upper and lower movable electrodes 37 with respect to each vertical line in the same number as the number of the vertical lines 6 constituting the wire mesh 5. When the horizontal line 7 is formed on one side end of the pressure cylinder 38 and is supplied onto the vertical line 6, the movable electrode 37 may operate on the vertical line 6 and the horizontal line 7 by the operation of the pressure cylinder 38. In addition to applying pressure to the intersection, the spot welding of the vertical line 6 and the horizontal line 7 is performed by receiving electricity from the welding transformer 36.

Cutting stage device 60 for performing the cutting step is a conventional shearing machine (62) as a device for cutting a continuous vertical line 6 of the wire mesh (5) spot welded by the welding device 30 to a predetermined length It consists of (FIG. 3).

Looking at the configuration of the bending device 70 to perform the bending step with reference to Figure 5, a pair of pedestal 72 is formed on the upper end of the frame 71, the normal driving means above the pedestal 72 (Not shown) is provided with a presser 76 for up and down reciprocating motion, the presser 76 is formed in a width close to the width between the pair of pedestals 72 and the cut wire When the mesh 5 is seated on the pedestal 72, the press bar 76 is lowered by the driving means, so that the wire mesh 5 is bent into a "U" shape.

However, according to the conventional wire mesh manufacturing system and the wire mesh manufacturing method according to the configuration configured as described above, the socket shaping portion 8 of the wire mesh 5 corresponding to the socket portion 3 of the drainage passage 1 is manually operated. Since there was a problem that can be produced depending on the bar, all the horizontal lines 7 of the socket forming part 8 to be bent one by one to correspond to the shape of the drainage passage 1, and then a plurality of bent vertical lines 9 by manual labor By cutting and molding the cross section of the horizontal bending portion (7a), but the spot welding by the worker at the intersection part by one, requiring a skilled welder and lost a lot of labor, work time is increased, productivity is reduced In addition, the wire mesh 5 has a problem in that the shape of the wire mesh 5 is irregular and irregular, such that the wire mesh 5 is exposed to the outside of the completed drain 1.

An object of the present invention for solving the problems as described above, in the molding of the socket molding portion of the wire mesh corresponding to the socket portion of the drainage channel by automating the entire process including the molding operation, saving labor, uniform wire It is possible to manufacture the mesh to reduce the defective rate, and to provide a wire mesh manufacturing system and a manufacturing method that improves productivity by shortening the working time, the socket forming step and the socket welding part as the next step of the welding step and cutting step After performing the steps and performing the cutting and bending steps to fully automate the wire mesh manufacturing process, as a device for performing the socket forming step and the socket welding step, a socket forming apparatus and a welding means having a forming means The socket part welding apparatus provided is comprised.

1 is a perspective view showing a typical concrete drainage

2 is a perspective view showing the step-by-step configuration of the wire mesh according to the conventional manufacturing method

Figure 3 is a side view showing a schematic configuration of a conventional wire mesh manufacturing system

Figure 4 is a plan view of the vertical line supply portion and the welding device of the conventional wire mesh manufacturing system

5 is a front view showing a bending device of the conventional wire mesh manufacturing system

6 is a schematic side view of a wire mesh manufacturing system according to the present invention;

7 is a plan view showing a vertical line supply unit and a welding apparatus according to the present invention;

8 is a schematic front view showing a socket forming apparatus according to the present invention;

Figure 9 is a perspective view of the main portion showing the operating state of the socket portion forming apparatus according to the present invention

10 is a perspective view illustrating main parts of the socket welding apparatus according to the present invention;

11 is a perspective view showing the configuration of the wire mesh according to the present invention.

12 is a schematic front view showing an operating state of the bending device according to the present invention.

Figure 13 is a perspective view showing the presser of the bending device according to the invention

14 is a manufacturing process of the wire mesh according to an embodiment of the present invention

*** Explanation of symbols for main parts of drawing ***

1: drainage 2: body

3: socket portion 5: wire mesh

6: vertical line 7: horizontal line

7a: horizontal bending portion 8: socket forming portion

9: bent portion vertical line 9a: tension portion

10: wire mesh manufacturing system 20: vertical line supply

22, 24: bobbin 30: welding device

31: wire drawer 36, 56: welding transformer

37, 57a, 57b: movable electrodes 38, 58a, 58b: pressurized cylinder

40: socket forming device 41: support

43: fixture 44, 47: cylinder

46: molding tool 50: socket welding device

51: corner molding hole 52: cylinder

53: support roller 60: cutting device

62: shearing machine 70: bending device

71 frame 72 pedestal

73: movable support 74: cylinder

75 sensor 76 presser

77: socket presser

The structure of the wire mesh manufacturing system and the manufacturing method of the concrete drainage channel according to the present invention for achieving the above object will be described with reference to FIGS. 6 to 14 below, the conventional wire shown in FIGS. The same parts as those of the mesh manufacturing system are denoted by the same reference numerals to avoid duplication of description.

Wire mesh manufacturing system 10 according to the present invention includes a vertical line supply unit 20, welding device 30, socket forming device 40, socket welding device 50, cutting device 60, bending device The vertical line supply part 20 includes a plurality of bobbins 22 in which the vertical lines 6 are wound, and a plurality of bent vertical lines 9 in which the vertical lines 9 are cross welded with the horizontal line bends 7a. The other bobbin 24, the welding device 30 is a known horizontal line supply for supplying the steel wire extractor 31 and the horizontal line 7 as the usual means for conveying the vertical line 6 and the bent portion vertical line (9) The upper and lower sets of movable electrodes 37 driven by the welding transformer 36 and the pressure cylinder 38 are provided as a means of welding the vertical line 6 and the horizontal line 7 together with a means (not shown). Consists of a plurality, the socket forming apparatus 40 and the socket welding device 50 is provided with a forming means and welding means, respectively, Note the first socket portion configured Figs. 6-9 of the molding apparatus 40 to look at more detail.

The socket forming apparatus 40 is a socket forming portion 8 of the wire mesh 5 in which the vertical lines 6 and the horizontal lines 7 are spot welded continuously from the welding device 30. That is, as a device for bending and forming one end of the horizontal line 7 constituting the wire mesh 5 to correspond to the shape of the socket portion of the drainage channel, the spot meshed wire mesh 5 is seated in multiple stages. Fixing member 43 for up and down operation by a supporting port 41 and a cylinder 44 formed on the upper side of the supporting port 41 to press the wire mesh 5 seated on the upper end of the supporting port 41. And, formed on the other cylinder 47 is operated to the corner of the upper and lower ends of the support hole 41 formed in the upper and lower ends formed by a diagonally operated molding sphere 46, while the welding device 30 of The bent portion vertical line 9 conveyed by the steel wire extractor 31 is conveyed to the lower side of the support hole 41.

Referring to the configuration of the socket welding device 50 with reference to FIGS. 6 and 7 and 10 below, the socket welding device 50 is supplied with power from the welding transformer 56 and the pressure cylinder ( A pair of upper and lower movable electrodes 57a and 57b, which are respectively operated by 58a and 58b, is formed in a pair of left and right, and a cylinder formed between the pair of movable electrodes 57a and 57b ( 52 is formed in the corner forming tool 51, but the lower side of the corner forming tool 51 to form the supporting rollers 53 on both sides thereof, thereby forming a wire mesh (5) formed by the socket portion forming apparatus (40) The bent portion vertical line 9 is welded to the horizontal bend portion 7a by a pair of movable electrodes 57a and 57b operated by the pressure cylinders 58a and 58b, and is further described by the bending device described below. "A corner molding sphere 51 on the bent vertical line 9 corresponding to the bent portion of the wire mesh 5 is bent in a shape To form a book (9a).

On the other hand, the cutting end device 60 for performing the cutting step is a device for cutting the vertical line 6 of the wire mesh 5 to a predetermined length consisting of a conventional shearing machine 62 (Fig. 6), the cut As shown in FIG. 11, as shown in FIG. 11, a socket forming part 8 corresponding to a socket part of a drainage path is formed at one side of the wire mesh 5, and the socket forming part 8 is a horizontal line at one side of the horizontal line 7. The bent portion 7a is bent and formed, and the bent portion vertical line 9 is cross-welded to the horizontal bent portion 7a, and the tension is formed by the edge forming tool 51 of the socket welding device on the bent portion vertical line 9. The portion 9a is tensioned.

Looking at the configuration of the bending device 70 with reference to FIGS. 12 and 13, the bending device 70 forms a pair of pedestals 72 on the top of the frame 71 and the upper side of the pedestal 72. By forming a presser 76 having a conventional driving means (not shown), when the cut wire mesh 5 is seated on the pedestal 72, the presser 76 is lowered by the driving means. By bending the wire mesh 5 into a “U” shape, a socket 74 is formed at one end of the presser 76 and a cylinder 74 formed at the lower end of the frame 71. The wire mesh at the bending operation of the wire mesh 5 by hinge rotation of the pair of movable supports 73 whose movement range is limited by the sensor 75 and its operating range by the sensor 75 is hinged to the frame 71. The socket forming portion 8 of 5) is supported by the movable support 73 and is bent into the socket portion pressing 77.

Looking at the manufacturing method according to the wire mesh manufacturing system configured as described above in detail, the first to form a wire mesh (5) by spot welding to cross the vertical line (6) and the horizontal line (7) to form a socket portion of the drainage A welding step of forming one end of the horizontal line 7 so as to form the socket molding part 8, and the extended horizontal line 7 of the wire mesh 5 by the socket part molding apparatus 40. And forming a socket portion bending to correspond to the shape of the socket portion of the c) and spot welding the vertical portion 9 of the bent portion to the bent horizontal line portion 7a of the horizontal line 7 with the socket portion welding device 50. A socket portion welding step, a socket portion tension step of partially tensioning the bent portion vertical line 9 by the edge forming tool 51 formed in the socket portion welding apparatus 50, and a vertical line 6 wound on the bobbin 22. Wire mesh continuously manufactured by Cutting the vertical line 6 so as to have a constant width, and the bending step of bending the cut wire mesh 5 including the socket forming portion 8 to correspond to the shape of the "U" drainage. Thereby manufacturing one completed wire mesh (5).

Looking at the action effect according to the embodiment of the wire mesh manufacturing system and manufacturing method configured as described above, the vertical line (6) and the bent portion vertical line (9) wound on the bobbin (22) (24) to the welding device 30 When the horizontal line 7 is continuously drawn out by the steel wire drawing machine 31 which is a conventionally provided means, and the horizontal line 7 formed in a straight line is supplied onto the vertical line 6 by the horizontal line supply means (not shown) of the welding device 30. Spot welding the vertical line (6) and the horizontal line (7) except the bent vertical line (9), a plurality of movable electrodes (37) operated by the pressure cylinder 38 and supplied with power from the welding transformer (36) Spot welding, and when one end of the extended horizontal line 7 of the welded wire mesh 5 is transferred onto the support hole 41 of the socket forming apparatus 40, the horizontal line ( 7) After fixing one end of the flow to prevent flow, the socket of the drainage channel by the molding tool 46 Bending to correspond to the sub-shape, at this time, when the horizontal line (7) of the two strands are bent by one bending operation, when the horizontal line is transferred twice (when the two horizontal lines are welded), one bending operation is performed. On the other hand, the bent portion vertical line 9 is conveyed to the lower side of the base 41 of the socket forming device (40).

When the bent horizontal line bent portion 7a is transferred to the socket welding device 50, the pair of movable electrodes 57a and 57b are spot welded to the bent portion vertical lines 9 by the pair of movable electrodes 57a and 57b. The movable electrodes 57a and 57b of the wire mesh 5 are spaced at the same interval as the horizontal lines 7 of the wire mesh 5 separated by three strands so that the horizontal lines 7 are transported twice like the socket forming apparatus 40. In this case, the welding operation is performed once, and when the bent portion vertical line 9 is tensioned by the edge forming tool 51, the movable electrodes 57a and 57b on both sides are horizontally bent portions 7a and bent vertical lines. (9) while pressing the edge forming tool 51 is lowered to tension the vertical line 9 of the bent portion on the support roller 53, at this time the process of the socket welding device 50 (S1 ~ S10 14 is shown in FIG. 14, and the operation of the movable electrodes 57a and 57b and the edge forming tool 51 according to the processes S1 to S10 is performed by a conventional controller (not shown). Process of the bar, the welding device 50, which controls (S1 ~ S10) does not limit the present invention as one embodiment.

When the socket forming part 8 is formed as described above, the wire mesh 5 is cut by the cutting device 60 to a predetermined width, and the cut wire mesh 5 corresponds to the shape of the drainage path by the bending device 70. Bar bent to form, the socket shaping portion 8 is bent by the movable support 73 and the socket presser 77, the operation range is limited by the sensor 75, at this time of the socket shaping portion 8 The tensioning portion 9a is formed in the bent portion vertical line 9 to compensate for the length of the socket portion vertical line 9 being stretched, thereby smoothly bending the wire mesh 5.

According to the present invention configured as described above, in the manufacture of the wire mesh of the concrete drainage, welding, socket forming step, socket welding step, socket tensioning step, cutting step, bending method according to the manufacturing method and the above each By constructing a wire mesh manufacturing system composed of a plurality of automated devices to perform the steps, it is possible to reduce the labor force, to produce a uniform wire mesh can reduce the defective rate, and to improve productivity by reducing the work time.

Claims (2)

A vertical line supply unit 20 composed of a plurality of bobbins 22 wound around the vertical line 6, a known steel wire extractor 31, and a horizontal line supply means are provided, and a power is supplied from the welding transformer 36 and pressurized cylinder. A welding device 30 composed of a plurality of movable electrodes 37 operated as a 38, a cutting device 60 composed of a conventional shearing machine 62, and a pair of pedestals 72 are provided with a frame 71. A wire mesh manufacturing system (10) comprising a bending device (70) formed at an upper end of a press bar (76) provided with a conventional driving means at an upper portion thereof; A vertical line supply unit 20 having another bobbin 24 in which the bent portion vertical lines 9 are wound; A welding device (30) having a steel wire drawing machine (31) for drawing out the bent portion vertical lines (9); The support hole 41 is formed in multiple stages, and a fastener 43 that is operated by the cylinder 44 is formed on the upper side of the support hole 41, and the upper and lower ends of the support hole 41 operate to be in contact with the corners. A socket part molding apparatus 40 which forms a molding tool 46 in the other cylinder 47 and is continuously configured in the welding apparatus 30; In the pressure cylinders 58a and 58b in which a plurality of upper and lower pairs are formed, the movable electrodes 57a and 57b, which receive power from the welding transformer 56, are formed, respectively. Between the electrodes (57a) (57b) is formed a corner forming tool (51) that operates up and down as a cylinder (52), but a pair of support rollers (53) are formed at the lower side thereof to be continuous in the socket forming device (40) A socket welding device 50 configured to be formed; The cutting device (60) configured to be continuous to the socket welding device (50); A socket portion presser 77 is formed on one side of the presser 76, and a pair of movable supports 73 which operate on the cylinder 74 is hinged to the frame 71, but as a sensor 75. Wire mesh manufacturing system of the concrete drainage channel characterized in that it comprises a bending device 70 for limiting the operating range. A welding step of forming a wire mesh 5 by spot welding the vertical lines 6 and the horizontal lines 7 so as to form the socket shaped portion 8; A socket part forming step of bending the horizontal line 7 of the socket forming part 8 to correspond to the shape of the socket part 3 of the drainage path 1; A socket part welding step of spot welding the bent portion vertical line 9 to the bent horizontal line bent portion 7a; A socket portion tension step of partially tensioning the bent portion vertical lines 9; A cutting step of cutting the vertical lines 6 so that the wire mesh 5 has a predetermined width; And a bending step of bending the cut wire mesh (5) including the socket forming part (8) to correspond to the shape of the drain passage (1).