JPH01501773A - Flexible, integrated machine for automatically producing metal frames, especially for reinforced concrete - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Flexible and integrated for automatic production of metal frames, especially for reinforced concrete machine Technical scope of the invention The present invention relates to a machine capable of assembling and assembling metal frames of various types. . Such frames are used in particular in the reinforced concrete industry, for example in the production of girders.

The framework for the steel construction of reinforced concrete girders is essentially a preformed transverse Linear bar tabs that are arranged and fixed in the longitudinal direction at various places on a metal frame. It is well known that the fibers are composed of filaments.

Therefore, the assembly of such frames requires the use of wires and frames that are assembled by welding or gluing. This is indicated by the relationship between each of the systems.

Current state of technology Traditionally, frames could only be produced for girders with standard shapes and limited dimensions. There was a machine. Known machines of this type therefore only serve a small part of the market. Only very specific types of frameworks can be manufactured.

A large part of the market consists of girders of widely varying dimensions with non-mechanically manufactured frames. Consisted of. Therefore, the assembly of this girder frame was completely done by hand. This was driving up costs.

Also, known devices do not allow for the construction of a skeleton from wires bent so that the ends become hooks. I can't do it. In fact, in known devices, the filaments are a guide that is incompatible with the presence of hooks. Guided by means.

Disclosure of invention The purpose of the present invention is to eliminate most of the manual labor and easily adapt to the manufacture of various types of frames. These drawbacks can be eliminated by an automated and flexible manufacturing chain that It's there.

The present invention also makes it possible to assemble a skeleton made of wires bent so that the ends become hooks. The aim is also to

The flexible and automatic integral linkage according to the invention - at the frame supply point; means for maintaining the stacked frames in a standby state; means for holding and passing the wire in a direction across the stacked frames in the holding machine; , means for bringing one of the frames in the machine into a connecting position in the assembly site; The filament is secured by ensuring accurate longitudinal position of the filament relative to the frame in one connection position. and the frame in a connecting position; - the assembled skeleton; - a means for holding and towing the filament is a lateral adjustable in position according to the cross-sectional plane, i.e. vertically and horizontally; Positioned transversely corresponding to the shape of the frame at the location where the striations are individually selected Adjustment is possible.

In an advantageous case *i, the feeding section is divided along the longitudinal direction of the feeding section and the positions are consists of separate supports which are individually adjustable according to the transverse plane. Fray The delivery site of the system is carried by a support whose position is adjustable according to the transverse plane. It consists of a chain of longitudinally arranged protrusions. The chain is created by rotating the traction means. Towed.

In some real ms, the ejection site pulls the filament across the waiting frame. It consists of the means to The means of traction is to encourage the elongated body to come out at the loading site. It can be moved across the stacked frame, and the distance between the individual The position is adjustable according to the transverse plane to ensure adjustment.

Advantageous fruit! l! In this case, the storage area of the transversely stacked frame is divided into two parts. The housing, i.e. the frame brought transversely to the path of the rod, can be used directly. The storage enclosure is prepared for storage and the frame of the storage enclosure is a reserve storage store supplying a second series of frames; In the reserve storage compartment Loading and adjustment of the second series of frames are carried out at the time of shielding, depending on the functionality of the machine. It will be done.

Preferably, each of the operating or retaining parts of the rod and frame are each automatic and It consists of a clamper whose position can be controlled remotely by opening/closing and three-dimensional displacement of the support. Ru.

Brief description of the drawing Other objects, features and advantages of the invention may be seen in the following: It will become clear from the description of the aspects.

- Figure 1 is a perspective view of a part of the framework of an iron construction with a T-shaped transverse section; Part 2 is an end view of this framework. Part 3 shows the different types of longitudinal rods in which the invention may be implemented, - 4 shows Ends showing the different types of cross-sections of the skeleton that can be realized with the same machine according to the invention side view, Part 5 is a plan view showing the relative arrangement of the entire equipment, especially the four main parts of the work. , Part 6 shows two of the feeding parts where one of the longitudinal rods is to be transferred from one side to the other. a side view showing the clamping device; - Figure 7 shows the same two clamps at the time of delivery, - Figures 8 and 9 correspond. - Figure 10 shows the complete clamper in its entirety with a partial axial section; Figure 11 shows the two clamps on the girder-support; - Figure 12 shows the longitudinal direction; Figure 13 is a diagram showing the entire loading area for iron material, that is, wire, with the clamps attached. A transverse cross-sectional view of the loading site illustrating that Some 14 figures are detailed side views, Part 15 is a front view of the storage area of the frame, - 16 is a plan view, Parts 17 and 18 show the loading and operation of the spare storage compartment of the frame. Diagram showing the surface, Part of Figure 19 is a plan view of the traction area of the filament iron material, and Figure 20 is a plan view of the traction area of the filament iron material. a side view showing the relative positions of the various clamps; Some 21 figures are cross-sectional views, Part 22 is a diagram showing details of the clamping device at the traction site, - Figures 23, 24, and 2 Figure 5 shows various technical details; Figure 26 shows details of the supply section; Figure 27 is a plan view of the carriage in the area where the wire is pulled, - Figure 28 is the machine in operation. Diagram showing the machine, - FIG. 29 shows a more advantageous embodiment of the second set of supports of the feeding site; .

explanation As shown in FIG. The work area, that is, the longitudinal rod 5, that is, the wire supply area 1, and the transverse frame 6 storage site 2, assembly site 3, and discharge site 4 for receiving and discharging the assembled skeleton. It consists of

This machine is shown in Figure 5 for producing metal frames 7 for reinforced concrete. for receiving and assembling the filament 5 of the type with the transverse frame 6 (FIG. 4). (Figures 1, 2, and 4).

The filament 5 is of a type known per se, consisting of a simple straight piece 8 with right-angled ends. This is a rod 9 or a rod 10 whose end is shaped like a claw or hook.

The frame 6 can be of various shapes, in particular:

- square frame 11 A simple rectangular frame 12 Frame 13 with one lateral extension - Frame 14 with central reinforcement -T-shaped frame 15 Single double rectangular frame 16 The striations and the frame are assembled by methods known per se, for example by welding or gluing. be called. This assembly method is well known as a frame manufacturing technology, so it is not shown here. Don't explain. The frame 7 shown in FIGS. 1, 2 and 4 is obtained by assembly. It will be done. In particular, the illustrated skeleton 5.15 corresponds to the T-shaped frame 15 of FIG.

In the illustrated real ms, the feeding section 1 is located longitudinally in the upright clamps 17.18. Receives striae 5. Each of these pinchers rests on a transverse support spar, with pincher 17 The girder 19 and the clamper 18 are arranged as a girder 24 in an upright manner.

In this particular embodiment, the pincher 17 is provided on the side of the machine and the loading operator Place the filaments 5 one after another. The filament 5 is then attached to a frame 15 as incorporated into the machine. The function of the transverse portion of It is transferred on a clamping device 18 (FIGS. 7 and 8) that performs positioning.

As shown in FIG. 6, each clamper 17 is operated by a rod 22 of a sliding It consists of an upper jaw part 20 that is movable relative to a lower jaw part 21.

Similarly, each clamper 18 is actuated against the lower jaw 25 by the rod of the jack 66. It consists of an upper top part 23 that is

The jaws 20 and 21 pull out the rod 5 due to the transverse displacement of the clamper 18 (arrow 26). It has a U-shape in plan view that can be engaged with the jaws of the gripper 18 to remove it (FIG. 8).

Return of the jaws 20.23 to the fastened position is ensured by the return spring 27 (first Figure 0).

Each spar 24 (FIG. 13) carries a tube through which the pincher 18 is slidably inserted, and the spar 24 4 can be adjusted laterally by means of screw-type jacks that move them closer together or farther apart. . The clamper 18 lifts the girder 73 that supports the fixed part 74 (FIG. 10) of the support 18. The height is adjusted using a screw-on jack. Part 65 of girder 73 is free 1 to 1! It consists of two iron plates that can be heated (Fig. 11). This part 65 is In order to facilitate the lateral displacement of the support body 19 when the support body 19 is displaced in the direction of the arrow 26, It carries the receiver 68.

The beam 29 is fixedly connected to the relative framework and supports the screw jack 28 while supporting the framework. Ensure rigidity.

The relative movement of these various devices is ensured by numerical commands issued by a central monitor. be done. The monitor may be located on the factory floor or in a remote inspection station. Corresponding The work plan is recorded on any suitable carrier, magnetic tape, disk or the like.

This carrier is guided to the control part of the chain and the information it contains controls the regulation and operation This is emitted to each machine.

The transverse displacement (arrow 26) of the clamper 18 is controlled by a horizontal screw jack 30. 111111 is done.

The storage section 2 of the transverse frame 6 is shown in FIGS. 15 to 18. There is. This part is a solid body that swings symmetrically to and around the longitudinal steel member 33. It consists of two storage parts 31 and 32 provided so as to form a section.

This recess 31,32 is adjustable in position along a direction in the transverse plane; a stack of frames 6 arranged vertically and close to each other forming a kind of tunnel; It consists of a support body 34 that receives the. This tunnel is for frame 6 of the selected type. The machine engages the advancing bar or wire 5 inside the tunnel during operation. urge

In the example shown in FIG. The frame 6 (FIG. 4) of outline 15 is loaded into the container (FIG. 5).

At this time, the storage 31 preloaded with the frame of the contour 12 is filled with the filament 5. It operates to form the above-mentioned tunnel. When loaded, the storage section 32 As soon as the compartment 31 is empty, the whole 31° 32 rotates around the axis 33. Make more available reserve storage.

The two storage areas 31, 32 of the barrel also serve alternately for storage and pre-storage.

Of course, the adjustment of the support 34 is carried out by means of an electronic central control unit, and the adjustment of the support 34 is performed by means of an electronic central control unit, The two storage units 31 and 32 are configured to have different values.

19 to 25 and 27 show the configuration of the discharge section 4. FIG. Mr. KonomijIR In this case, the discharge site is the longitudinal tension of the filament 5 that crosses the frame 6 of the storage storage section 31. have the means to secure the In this embodiment, the filament is located at the angle of the storage compartment 11. When the arm 6 is assembled, the filament is pulled by a means for pulling the filament.

Other fruit 1! In embodiments, longitudinal displacement of the filament is not caused by traction on the filament (i.e., by pushing). by.

The receiving table 35 receives the assembled skeleton and holds the skeleton from being picked up. .

The wire traction device shown in the drawing is the same as the steel wire 5 to be provided in the framework. It consists of a pair of clamps. Each pincher 36 has a horizontal It is supported by a bar 37. The sleeve 38 is carried by an upright post 39 and The height position along 39 is adjusted by a screw jack 40 (arrow 41). pillar 39 is carried on a beam 42 and its transverse position (arrow 43) is adjustable along the beam 42. It is possible. The whole is mounted on a framework 44 which is moved along longitudinal rails by means of cars 45. more supported. The configured carriage 39, 42, 44 has a Known means (not shown) are provided for moving and stopping at a desired position.

The length of the rod 37 of each clamper 36 is stacked within the receptacles 31 and 32 of section 2. slightly longer than the maximum number of stacks of frames 6 that are to be assembled. This causes the The holder 36 is a tunnel formed by the stacked frames 6 within the storage section 31. It is possible to reach each end of the rod 5 located at the feed site 1 across the entire length of the rod. can.

Adjustment of the height of the sleeve 38 along the column 39 is by a hydraulic or pneumatic jack 47. It is done.

Each clamp 36 consists of a transversely fixed arm and a transversely rotating arm 49 (FIG. 22). . Each rotating arm 49 is connected to a rod 50 that is rotatable within the hollow rod 37 over its entire length. Concatenated. At the opposite end, each rod 5o has a lever for actuating a jack 52. -51. When the jack 52 is activated, the lever 51 rotates as indicated by the arrow 53), This causes the rod 50 and its arm 49 to rotate in the same direction (arrow 54), causing the clamper 36 to rotate. recloses at the end of filament 5.

FIG. 6 shows an embodiment of the adjustment and supply of the supports 34 of the storages 31 and 32.

The support 34 is positioned according to the transverse shape of the selected type of frame 6. It consists of longitudinal rails 58. The frame 6 is guided by the outer periphery within the rail 58 and slides along the rail 58. As a result, the inside of the frame 6 is Rod 37 can pass freely.

In an advantageous embodiment, the number of longitudinal rails is 6, i.e. 4 of the frame. Four rails 58 corresponding to the corners and an intermediate position corresponding to the ■-shaped frame 6 Two intermediate rails 158.

All of the rails 58, 158 vary in transverse plane to the longitudinal axis of the machine. The positions can be adjusted independently of each other.

When the operator 56 feeds the frame 6 into the pre-storage storage section 32, the operator 56 presses the protrusion 59. Place it on the opposite stop. The protrusion 59 is connected so that it does not go beyond the tip of the chain. Can be divided into upper parts. This chain is synchronized with each other by a chain 62 and a pinion 63. It is pulled by wheels 60 attached to a transverse axle 61. The chain is also carried by supports that can be arranged in longitudinal columns and whose position can be adjusted according to the transverse plane. It will be done. An electric motor (not shown) drives the mandrel 61 and the entire wheel 60. operator Each time 56 presses the pedal, the protrusion 59 of 3111 advances one step, and the stacked frames are removed. Move the arm forward one step.

The fixed connection position 90 shifted downstream of the stack of frames 6 allows the filaments to The linkage of the systems is advantageously carried out. For this purpose, jacks 95 and 96 are activated. The transverse position is adjustable and the first frame 600 of the stack is Retraction by towing to the connecting position W190 where it abuts the retractable protrusions 93 and 94. Escapeable ejectors 91 and 92 are provided (FIG. 5).

The operation is as follows.

The operator 55 reliably loads the filament 5. The operator 56 accesses the preliminary storage storage section 32. The frame 6 is supplied to ensure loading.

Across the tunnel formed by the frame 6 of the storage enclosure 31, a rail 46 The clamping device 36 is pulled by the carriage 44 of the section 4 that moves back and forth above, and moves toward the loading section. move on. Each clamp 36 is thus attached to the rod 5 and then to that of the carriage 44. Traction the bar 5 during each backward movement (Fig. 5, arrow 57), after each backward movement The carriage 44 stops at a predetermined position. During retraction, the protrusion 59 advances one step to a new step. feed frame 600 to an ejector that brings frame 600 to connection position 90 do. In part 3, the first frame 600 of the stack is welded or glued to the filament 5. to ensure the connection. When this operation is completed, the carriage 44 moves one step further. Retract (arrow 57) to bring the filament 5 to the front of the new frame 600. cycle This continues until the completed framework 7 is discharged onto the table 35. As soon as the machine is empty Other bones may be pre-stored in the storage part 32 in the frame 6 with other contours. Preparations for manufacturing set 7 are complete. When the storage section 31 comes to the preliminary storage position, the storage section 32 is pivoted about the pivot 33 into a storage position of motion.

FIG. 23 shows a possible embodiment of the base 64 of the clamps 17 and 18 of the feeding site 1 FIG.

A jaw 21 or 25 is fixed on the upright hollow body 65 of each clamper 17 or 18. There is. In contrast, the movable jaw 20 or 23 is an upright rod that slides within the hollow body 65. 66 is fixedly installed. This sliding movement is caused by the lower double-acting gear carried in the hollow body 65. It is controlled by a lever 67. This hollow body 65 is formed in a transverse direction of the clamping device 17 or 18. (Arrow 69) It has a side mold that moves on the beam 73 to adjust the position.

FIG. 27 shows the clamps 1 which are arranged oppositely at the supply site 1 to deliver the rod 5. 7 and 18. FIG.

In the embodiment shown, the supply site 1 also has two different sets of supports, i.e. The first group formed by the clamping body 18 that supports the filament 5 and the operator A second clamping device 17 is formed by a clamping device 17 that positions the filament 5 while waiting for the cycle. It consists of a group.

The two sets of supports cover the entire rod 5 that has been previously placed on the first set of clamps 17. are moved in a transverse direction (arrow 26) to each other to deliver them to the second set of clampers 18 at a time. I can hear it.

FIG. 29 shows a more advantageous embodiment of the second set of supports of the feeding site. This fruit In an embodiment, the second set of supports includes a loader as shown in the figure and in which the frame defines a horizontal plane. position and a transfer position in which the frame is moved vertically downward as shown by arrows 84 and 85. two pivoting frames 8 which can be pivoted about longitudinal axes 82 and 83, respectively; Consists of 0 and 81.

The frames 80 and 81 have a working surface at least equal to the number of filaments to be arranged. 87, into which the operator inserts the filament. For example, fig. Inside, the operator 55 moves the filament 105 into the frame 8 in order to drop the filament into the receiving portion 88. It is rolled horizontally on the top surface of 0.

At the transfer position [1,: the filament is extracted from the receiving part by the clamper 18 and the skeleton is shaped. It is positioned so that the Therefore, the frames 8o and 81 are connected to the clamping device 18 and the scales. It has a transverse passage to allow for alignment.

23 and 24 are plan views showing the clamping supports 17, 18 of the supply section 1. Ru. In the illustrated embodiment, the bar support or jaws 25 are attached to the upright hollow body 65 of the clamper. rotation, that is to say about a geometrical upright axis 7o. This configuration is suitable for contour 9 or 10 (Fig. 3) is particularly suitable for working with filaments that form a hook 71 bent at the end. . Also, when the filament 5 is pulled in the direction of the arrow 57 during the manufacturing cycle (Fig. 5), each clamper 17 or 18 is automatically retracted by rotation when the hook 71 passes (Fig. 23, arrow 7). 2). The return of the clamping device 18 and its support body 25 to the starting point is delayed until it reaches the fixed stop. This is done by a returning spring 75 (FIG. 10).

Special Table Sen1-501773 (8) international search report ANNDCTo　5EE　! NTERNAT:0NAL 5EARCF! RE PORT ON

Claims (10)

[Claims] 1. Manufacture steel-framed frames for reinforced concrete girders, wires (5) and metal cross sections. Automatic integrated machine consisting of multiple parts that receive, position and protect the direction frame (6) and - means for maintaining the stacked frames in a standby state at the frame supply location ( 31) and - Hold the filament in the direction across the waiting stacked frames (18) Pass (36) ), and - means (31, 9) for bringing one of the waiting frames into the coupling position in the assembly site; 1,92) and - ascertain the exact longitudinal position of the filament (5) relative to the frame (600) in the connecting position; Means for connecting the filament and the frame at the connecting position by holding the filament (36) and, - an evacuation site (4) for receiving parts of the assembled framework; - for preserving the striations; The holding and towing means (36) are adjustable in position according to the transverse plane. , in the transverse direction corresponding to the shape of the frame at the positions where the filaments are individually selected. - means for retaining the stacked frames in a transverse plane; An integrated machine characterized in that its position can be adjusted according to the following. 2. The supply section (1) is divided along the longitudinal direction of the supply section, and the position follows the transverse direction. Claim characterized in that it consists of separate supports (18) which are individually adjustable. An integrated machine according to item 1 within the scope of . 3. The feed section (31) of the frame is a support whose position is adjustable according to the transverse plane. consisting of a chain having longitudinally arranged protrusions (59, 62) carried by the body; Claim 1 or claim 1, wherein the chain is pulled by a traction means. The integrated machine described in item 2. 4. The frame feed site (31) is the first frame (6) at the tip (62) of the chain. 00) to the connecting part and bringing it into contact with the connecting part (90) to maintain it. The rest-type machine according to claim 3, characterized in that the machine is made of . 5. The ejection part includes means ( 36), and the means of towing will go to assist when a line appears at the loading site. can be moved across the stacked frame and also allows individual adjustment of the spacing of the striations. claim characterized in that its position is adjustable according to the transverse plane to ensure that An integrated machine according to any one of claims 1 to 4. 6. The means for traction on the filament consists of iron traction clamps, each iron traction clamp comprising a - hollow a lateral arm (48) fixed to the rod (37) and sliding in a horizontal sleep (38); - a rod (50) rotatable within the rod (b7) by the action of a control jack (52); A swinging side arm (49) is fixed to the rod, and a jack is installed at the other end of the rod. A machine according to claim 5, characterized in that: 7. A horizontal sleeve (38) whose position is adjustable in the longitudinal direction of the upright column (39) The upright columns are mounted on beams (42) carrying the framework (41) of the carriage (44). The horizontal position is laterally adjustable, and the carriage (44) is Claim characterized in that the hand rail (46) is movable in the longitudinal direction. Machine according to paragraph 6. 8. The separate support (18) of the loading member (1) extends in the longitudinal direction of the horizontal beam (73). along which the transverse position (arrow 69) has a horizontally adjustable upright body (65) The height of the beam is adjustable by a jack (28). 3. A machine according to claim 2, characterized in that the machine has the following features: 9. Each clamper (18) has a support (2 5) and receives the action of the return spring (75), so that it is retracted by swinging. 9. A machine according to claim 8, characterized in that: 10. The loading member (1) carries two different sets of supports, namely - the filament (5) being assembled; a first set formed by supporting clamps (18); Formed by the filament support (80, 81) waiting for the first production cycle a second set of supports, and the two sets of supports are arranged in advance on the second set of supports. cross each other so that the entire filament (5) is delivered to the first set of pinchers at once. Any one of claims 1 to 9, characterized in that it is movable in both directions. The machine described.