CN101982250B - Automatic adjustment mechanism for main bar position of numerical control square reinforcement cage forming machine - Google Patents

Abstract

The invention discloses an automatic adjustment mechanism for the position of main bars of a numerically controlled square steel cage forming machine. The automatic adjustment mechanism for the position of main bars includes: an adjustment plate equipped with a sliding seat in the slideway of the adjustment plate; a spiral lifting drive unit is fixed on the adjustment plate, The driving end of the screw lift drive unit is connected to the sliding seat and drives the sliding seat to reciprocate along the slideway of the adjusting plate; the main thread pipe is fixed on the sliding seat on one side of the adjusting plate; the conductive sliding seat is fixed on the sliding seat on the other side of the adjusting plate, Main rib through holes and conductive electrodes are arranged on the conductive sliding seat. The beneficial effects of the invention are: the positioning is controlled by a servo motor, the four-corner main rib can be quickly positioned at one time, the size can be precisely adjusted, and the error of the finished product is small. The side steel bars can be quickly and manually adjusted in place, and the adjustment range is large. A CNC square steel bar cage forming machine can produce cages of various specifications, realizing one machine with multiple functions and saving costs. Greatly improve seam welding speed and production efficiency; and have the advantages of compact structure, energy saving and low cost.

Description

The Automatic Adjustment Mechanism of Main Reinforcement Position of CNC Square Reinforcement Cage Forming Machine

technical field

The invention relates to a numerically controlled square steel cage forming machine, in particular to an automatic adjustment mechanism for the position of main bars of the numerically controlled square steel cage forming machine.

Background technique

In recent years, along with economic development, in order to adapt to the construction needs of buildings, highways, etc., a kind of prestressed concrete square pile is widely used, and a large amount of square reinforcement cages are needed to make square piles. The method of making square reinforcement cages has changed from a single row of square stirrup covers welded on the main reinforcement to a CNC square reinforcement cage forming machine for seam welding.

At present, the main reinforcement of the square reinforcement cage produced by the CNC square reinforcement cage forming machine includes four main reinforcements, eight main reinforcements and twelve main reinforcements and other specifications. The main reinforcement position adjustment mechanism is composed of multiple sets of molds, that is, each production For a square steel cage of a specification, it is necessary to change a set of molds. The position adjustment mechanism of the main reinforcement in the prior art is not only time-consuming and laborious, the operation is cumbersome, and the number of molds is large, but also limited by the shape of the mold when making the steel cage, the accuracy of the size cannot be guaranteed; It is difficult to increase the seam welding speed due to the limitation of the welding wheel walking route.

Contents of the invention

The object of the present invention is to overcome the deficiencies of the above-mentioned technology, and provide a kind of automatic adjustment mechanism of the position of the main reinforcement of the CNC square steel cage forming machine which can be convenient, fast and highly automated.

The technical solution to solve the above technical problems is: the automatic adjustment mechanism of the position of the main reinforcement of the CNC square steel cage forming machine, the automatic adjustment mechanism of the position of the main reinforcement includes: an adjustment plate with a slideway of the adjustment plate, and a belt is installed in the slideway of the adjustment plate. There is a sliding seat with a through hole for the main rib; a spiral lifting drive unit is fixed on the adjusting plate, and the driving end of the spiral lifting driving unit is connected to the sliding seat and drives the sliding seat to reciprocate along the slideway of the adjusting plate; The main rib pipe is fixed on the sliding seat; the conductive sliding seat is fixed on the sliding seat on the other side of the adjustment plate, and the conductive sliding seat is provided with through holes for main ribs and conductive electrodes contacting the main ribs.

The beneficial effects of the present invention are: the present invention controls the positioning by the servo motor, can quickly locate the four-corner main rib at one time, can precisely adjust the size, and has small error in the finished product. The side steel bars can be quickly and manually adjusted in place, and the adjustment range is large, so that a CNC square steel bar cage forming machine can produce cages of various specifications, which can realize multiple functions of one machine and save costs. The invention also provides convenience for the imitation circular motion track of the seam welding wheel, greatly improves the seam welding speed and production efficiency; and has the advantages of compact structure, energy saving and low cost.

Description of drawings

Fig. 1 is a front view of the present invention;

Fig. 2 is A-A sectional view among Fig. 1;

Fig. 3 is a rear view in Fig. 1;

Fig. 4 is when adjusting and processing the square reinforcement cage of different specifications with the present invention, main reinforcement 23 and stirrup 24 position schematic diagrams;

Figure 5 is an enlarged view of part p in Figure 1;

Figure 6 is an enlarged perspective view of Figure 5, showing the structure of the main rib-piercing tube, side wing slides, side rib-piercing tubes and spring sheets;

Fig. 7 is an enlarged view of part E in Fig. 3 .

"Description of Serial Numbers in the Attached Drawings"

1: Adjusting plate; 1a: Adjusting plate slideway; 2: Screw jack; 2a: Screw nut; 3: Small sprocket coupling; 5: Servo motor; 6: Tensioning device; 7: Sliding seat; 8: Main rib pipe; 8a: side slideway; 9: side rib pipe; 9a: side plate; 10: lock nut; 11: spring piece; 12: small sprocket; 13: frame; 14: conductive slide ;15: Adjusting dovetail sleeve; 15a: Adjusting side plate; 16: Conductive copper wire; 17: Conductive round copper block; 18: Spring; 19: Compression block; 20: Conductive electrode block; 21: Electrode head; 22: Activity Electrode seat; 23: main reinforcement; 24: stirrup.

Detailed ways

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is a front view of the present invention; Fig. 2 is a cross-sectional view of A-A in Fig. 1; Fig. 3 is a rear view in Fig. 1; Fig. 4 is a schematic diagram of the main reinforcement and stirrup position of the square reinforcement cage of different specifications for adjustment and processing by the present invention; Fig. 5 is The enlarged view of part p in Fig. 1; Fig. 6 is an enlarged perspective view of Fig. 5, showing the structure of the main rib-piercing tube, side slides, side rib-piercing tubes and spring leaf; Fig. 7 is an enlarged view of part E in Fig. 3 .

The present invention provides an automatic adjustment mechanism for the position of the main bars of a CNC square steel cage forming machine. The automatic adjustment mechanism for the position of the main bars includes: an adjustment plate 1 with an adjustment plate slideway 1a, and a belt is installed in the adjustment plate slideway 1a. The sliding seat 7 with the through hole of the main rib 23; the adjusting plate 1 is fixed with a spiral lifting drive unit, the driving end of the spiral lifting driving unit is connected to the sliding seat 7, and the spiral lifting driving unit drives the sliding seat 7 along the slideway of the adjusting plate 1a moves back and forth; the main rib pipe 8 is fixed on the sliding seat 7 on one side of the adjusting plate 1; the conductive sliding seat 14 is fixed on the sliding seat 7 on the other side of the adjusting plate 1, and the main rib is arranged on the conductive sliding seat 14 23 through holes and conductive electrodes contacting the main ribs 23.

The screw jack driving unit is a screw jack 2 . The adjusting plate 1 is fixed on the frame 13 of the CNC square steel cage forming machine.

As shown in Figures 1 and 2, there are four adjusting plate slideways 1a, and the adjusting plate slideways 1a extend from the square four corners of the adjusting plate 1 to the center; the four adjusting plate slideways 1a are equipped with slideways respectively. Seat 7, each sliding seat 7 is connected to the screw nut 2a on the output shaft of the screw jack 2; the small sprocket coupling 3 is connected between the input shaft of one of the screw jacks 2 and the servo motor 5, and the other three screw jacks 2 Small sprockets 12 are respectively installed on the input shaft of the chain 4, and chain 4 connects three small sprockets 12 and a small sprocket coupling 3.

The tensioning device 6 in FIG. 1 is fixed on the adjusting plate 1 , and the tensioning device 6 is used for adjusting the tightness of the chain 4 .

The two sides of the main rib-piercing pipe 8 fixed on the sliding seat 7 are respectively fixed with side wing slideways 8a, and the main rib-piercing pipe 8 and the sliding seat 7 are along the adjusting plate slideway 1a on the adjusting plate 1 Sliding, and drive both side wing slideways 8a to slide.

The main rib-piercing pipe 8 is perpendicular to the side slideways 8a on both sides; the side-wing slideways 8a are located on the line connecting the four corners of the main rib-piercing pipe 8 as a square.

Side plates 9a are fitted on the side wing slides 8a on both sides, and side piercing rib tubes 9 are installed on the side plates 9a; lock nuts 10 fix the side plates 9a on the side wing slides 8a.

The side plate 9a on the side piercing rib tube 9 is installed on the side wing slideway 8a of the main rib piercing tube 8, and the side plate 9a can slide on the side wing slideway 8a to adjust its distance to the four-corner main rib, and it can be adjusted steplessly as required For any distance, after adjusting the distance, fix it with lock nut 10.

As shown in Fig. 2 and Fig. 6, a plurality of spring sheets 11 for auxiliary support of the main rib 23 are installed at the ports of the main rib-piercing pipe 8 and the side-piercing rib pipe 9; the middle of the spring leaf 11 is horizontal, and Both ends protrude to one side in an arc shape, and the middle part of the spring sheet 11 is fixed on the outer wall of the main rib-piercing tube 8 and the side-piercing rib tube 9. The outer side of the rib tube 9 ports, the arc at the other end of the spring leaf 11 runs through the main rib tube 8 and the side wall holes of the rib tube 9 and is inserted into the tube.

The spring piece 11 has a certain degree of elasticity, so that it can play the role of compressing the positioning of the steel bar during welding, especially when the prestressed steel bar of the main reinforcement is a steel bar with a pier head, the pier head of the steel bar is also easy to pass and be clamped .

A conductive sliding seat 14 is respectively fixed on each of the sliding seats 7, and the conductive sliding seat 14 is provided with conductive electrodes.

Each of the sliding seats 7 has the same structure for fixing the conductive sliding seat 14, including: the conductive sliding seat 14 is in an "L" shape, and the conductive sliding seat 14 is provided with through holes and conductive electrodes that run through the main ribs 23, and the conductive electrodes wrap The main rib 23, the bottom of the conductive sliding seat 14 is a dovetail seat, on which an adjustment dovetail sleeve 15 is equipped; on the left and right sides of the adjustment dovetail sleeve 15, there are respectively adjustment side plates 15a, and the two adjustment side plates 15a Movable electrode holders 22 are installed respectively; the movable electrode holders 22 are in an "L" shape, and are provided with through holes passing through the main ribs 23 and conductive electrodes, and the conductive electrodes wrap the main ribs 23 .

There is a dovetail connection structure between the conductive sliding seat 14 and the adjusting dovetail sleeve 15, so that the adjusting dovetail sleeve 15 can slide forward and backward for easy disassembly.

The adjusting side plates 15a on the left and right sides of the adjusting dovetail sleeve 15 are perpendicular to the adjusting dovetail sleeve 15, and the adjusting side plates 15a on both sides are perpendicular to each other and symmetrically distributed on the left and right sides of the adjusting dovetail sleeve 15.

As shown in Fig. 2 and Fig. 7, the conductive electrode includes: an arc-shaped conductive round copper block 17, which is fixed on the top of an "L"-shaped conductive copper wire 16, and the conductive copper wire 16 The lower part is connected with the conductive electrode block 20 , the upper side of the conductive copper wire 16 is fixed on the conductive slider 14 , and the lower part of the conductive electrode block 20 is fixed on the conductive slider 14 .

The main ribs 23 pass through the space formed by the reverse installation of the two "L"-shaped conductive sliding seats 14 and the conductive copper wires 16 to form a square space.

The conductive copper wire 16 is connected to one pole of the power supply, and a spring 18 and a compression block 19 are arranged between the conductive copper wire 16 and the top of the main rib 23. One side of the compression block 19 is pressed on the top of the main rib 23, and the other side of the compression block 19 is A protruding cylinder is arranged on the protruding cylinder, and one end of a spring 18 is mounted on the protruding cylinder; the other end of the spring 18 is fixed on the conductive copper wire 16 with a fastener.

An electrode head 21 is arranged between the conductive electrode block 20 and the lower part of the main rib 23 , and the electrode head 21 is fixed in the groove at the upper part of the end of the conductive electrode block 20 .

The electrode head 21 that can be replaced on four sides is installed in the front end groove of the conductive electrode block 20, and the electrode head 21 can be used continuously for four times because it is a part that is easy to wear. The service life of the electrode head 21 can be increased.

Two electrodes are arranged on the welding roll welding wheel of the present invention, and one of them is pressed on the stirrup 24. In the welding process, when another electrode on the welding roll welding wheel arrives at each conductive round copper block 17, because the conductive copper wire 16 is connected with the conductive round copper block 17, the main rib 23 is connected to another electrode of the power supply; When the charged stirrups 24 contact the main ribs 23, the electrodes are turned on to realize the welding of the stirrups 24 and the main ribs.

The benefit of the split design of the conductive copper wire 16 and the conductive round copper block 17 is that it can reduce the wear of the conductive copper wire 16, increase its service life, save costs, and also make the operation simple and easy, saving replacement time.

Fig. 4 is a schematic diagram of the positions of the main bars 23 and the stirrups 24 when the present invention is used to adjust and process square steel cages of different specifications. The figure shows that there are 4, 8 and 12 main reinforcements of the square pile foundation, and according to the difference in the number of main reinforcements, the automatic adjustment mechanism for the position of the main reinforcements of the present invention is set as required.

The working process of the present invention is described below:

As shown in Figure 1 and Figure 2, when the position of the main rib 23 needs to be adjusted, the servo motor 5 drives the small sprocket coupling 3 to rotate, drives the chain 4 to perform linear motion, and the chain 4 drives the other three small sprockets 12 to rotate synchronously , input the power to the screw jack 2, at this time, the screw nut 2a of the screw jack 2 drives the sliding seat 7 to make a linear movement along the adjusting plate slideway 1a on the adjusting plate 1, and the direction of movement is shown by the arrow in Figure 1.

Servo motor 5 counts and locks after reaching the required position. When the square pile foundation has eight main reinforcements or twelve main reinforcements, it is necessary to install side reinforcement pipes 9 on both sides of the main reinforcement pipe 8, and manually adjust the distance from the side reinforcement pipes 9 to the four-corner main reinforcements, according to the marked After the scale is adjusted, fix its position with the lock nut 10. Wherein the thread inlet place of main piercing tendon pipe 8 and side piercing tendon pipe 9 is respectively equipped with leaf spring 11, when reinforcing bar passes, certain holding force is arranged, does not affect its normal passage again. It is also possible to make the steel bar with the pier head pass through here when the traction force is increased.

After the main reinforcement 23 passes through the main reinforcement pipe 8, it arrives at the conductive electrode block 20 of the CNC square reinforcement cage forming machine, wherein the conductive electrode block 20 is equipped with an electrode head 21 that can be replaced on all sides. The conductive electrode block 20 of the four-corner main rib 23 is installed on the conductive slide seat 14, and then the conductive electrode block 20 on the adjusting side plate 15a on the left and right sides of the dovetail cover 15 is installed on the movable electrode seat 22.

The position of the movable electrode holder 22 on the adjustment side plate 15a is adjusted as required, and its adjustment structure is selected in various forms, such as a dovetail structure (not shown) at the bottom of the movable electrode holder 22, or as the above-mentioned side wing slides 8a and The slide plate structure (not shown) combined with the side plate 9a, in a word, as shown by the arrow in Figure 3, can be fixed after reaching the position of the main rib 23 on the side of the square.

Claims (5)

1. a main muscle position automatic adjustment mechanism of a numerical control square steel cage forming machine, it is characterized in that, said main reinforcement position automatic adjustment mechanism comprises: an adjustment plate (1) with an adjustment plate slideway (1a), on the adjustment plate The slideway (1a) is equipped with a sliding seat (7) with a through hole of the main rib (23); the adjusting plate (1) is fixed with a spiral lifting drive unit, and the driving end of the spiral lifting drive unit is connected to the sliding seat (7) and drive the sliding seat (7) to reciprocate along the adjusting plate slideway (1a); the main rib-piercing pipe (8) is fixed on the sliding seat (7) on one side of the adjusting plate (1); on the adjusting plate (1) ) on the sliding seat (7) on the other side to fix the conductive sliding seat (14), on which the conductive sliding seat (14) is provided with the main rib (23) through hole and the conductive electrode contacting the main rib (23). 2. according to the automatic adjustment mechanism of the main rib position of the CNC square steel cage forming machine described in claim 1, it is characterized in that, there are four adjusting plate slideways (1a), and the adjusting plate slideway (1a) is from The square four corners of the adjusting plate (1) extend toward the center; the four adjusting plate slideways (1a) are equipped with sliding seats (7) respectively, and each sliding seat (7) is respectively connected to the driving end of the spiral lifting drive unit; wherein A small sprocket coupling (3) is connected between one screw lift drive unit and the power source, and a small sprocket (12) is respectively installed on the input shafts of the other three screw lift drive units, and the chain (4) connects three small chains wheel (12) and a small sprocket coupling (3); the two sides of the main rib-piercing pipe (8) fixed on the slide seat (7) are respectively fixed with side wing slideways (8a), and The side slides (8a) on both sides are equipped with side plates (9a), and the side plates (9a) are equipped with side piercing rib tubes (9); lock nuts (10) fix the side plates (9a) on the side wings on the slideway (8a). 3. according to the main reinforcement position automatic adjustment mechanism of the numerical control square reinforcement cage forming machine described in claim 2, it is characterized in that, at described main reinforcement pipe (8) and side piercing reinforcement pipe (9) ports place is equipped with A plurality of leaf springs (11) for auxiliary support of the main rib (23); the middle part of the spring leaf (11) is horizontal, and its two ends protrude to one side in an arc shape, and the middle part of the spring leaf (11) is fixed On the outer walls of the main rib-piercing tube (8) and the side-piercing rib-piercing tube (9), the arc at one end of the spring leaf (11) is positioned outside the ports of the main rib-piercing tube (8) and the side rib-piercing tube (9), and the spring leaf ( 11) The arc at the other end runs through the side wall holes of the main rib-piercing pipe (8) and the side-piercing rib pipe (9) and is inserted into the pipe. 4. according to the automatic adjustment mechanism of the main rib position of the numerically controlled square reinforcement cage molding machine described in claim 2, it is characterized in that, on the described each sliding seat (7), respectively fix conductive sliding seat (14), described conductive Conductive electrodes are provided on the sliding seat (14); the structures of the fixed conductive sliding seats (14) of each of the sliding seats (7) are the same, including: the conductive sliding seat (14) is "L" shaped, and the conductive sliding seat ( 14) is provided with a through hole and a conductive electrode that runs through the main rib (23), and the conductive electrode wraps the main rib (23); the bottom of the conductive slide (14) is a dovetail seat, and an adjustment dovetail sleeve (15) is equipped on the dovetail seat. ); Adjusting side plates (15a) are respectively arranged on the left and right sides of the regulating dovetail sleeve (15), and movable electrode seats (22) are respectively housed on the described two regulating side plates (15a); said movable electrode seats (22 ) in an "L" shape, on which a through hole and a conductive electrode penetrating through the main rib (23) are arranged, and the conductive electrode wraps the main rib (23). 5. According to the automatic adjustment mechanism of the main rib position of the numerically controlled square steel cage forming machine described in claim 1 or 4, it is characterized in that, the conductive electrode comprises: an arc-shaped conductive round copper block (17), the conductive The round copper block (17) is fixed on the top of the conductive copper wire (16) that is "L", the bottom of the conductive copper wire (16) is connected to the conductive electrode block (20), and the side of the conductive copper wire (16) top is fixed on the conductive copper wire (16). On the sliding seat (14); the lower part of the conductive electrode block (20) is fixed on the conductive sliding seat (14); the conductive sliding seat (14) and the conductive copper wire (16) are installed in reverse on the two "L"-shaped cross-sections A main rib (23) passes through the space forming a square; the conductive copper wire (16) is connected to a pole of the power supply, and a spring (18) and a pressing block are arranged between the conductive copper wire (16) and the upper part of the main rib (23) (19), one side of the compression block (19) is pressed on the main rib (23) top, and one end of the spring (18) is housed on the protruding cylinder of the compression block (19) other side; the other end of the spring (18) is fixed On the conductive copper wire (16); the electrode tip (21) is arranged between the conductive electrode block (20) and the main rib (23) bottom, and the electrode tip (21) is fixed on the top of the conductive electrode block (20) terminal. in the slot.

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