CN205236871U - Wire spiral former - Google Patents

Abstract

A spiral stirrup forming equipment, which includes a straightening system, an orientation system and a spiral processing system arranged in sequence from the raw material steel bar to be formed to its far end; the straightening system includes a pulley block and a bracket for supporting the pulley block structure, the central ring line of each pulley groove in the pulley block is in the same vertical plane; the orientation system includes two or more vertically arranged struts, and at least one strut is sleeved on the outer circular surface There is a drum that can rotate axially relative to the pole; the spiral processing system includes a bending machine and a circular winding body located above the bending machine and coaxially arranged; it utilizes steel bar straightening, steel bar orientation and spiral stirrup processing as a whole The streamlined operation overcomes the defects of slow construction speed and large size deviation of manual operation, and the overall structure is scientific and reasonable, easy to install and adjust, and low operating cost; it is widely applicable to the stirrup forming of various structural engineering columns or foundation pile foundation engineering when used together.

Description

A kind of spiral stirrup forming equipment

technical field

The utility model relates to a spiral stirrup forming equipment.

Background technique

The stirrups of structural engineering cylinders or foundation piles are made of spiral stirrups or round stirrups. At present, the commonly used method is to make a circular steel bar at the top, middle and bottom, and weld vertical steel bars on the outside of the circular steel bar. Form a winding body, fix the entire winding body on the ground or on the platform, and then manually wind the stirrups to form; The geometrical dimension deviation is large, and the steel bars need to be straightened first, resulting in many processes and long working hours. If the steel bars are straightened mechanically, due to the length limit of the straightened steel bars, there are many spiral stirrup joints, resulting in a large waste of steel bars.

Utility model content

In view of the above situation, the purpose of this utility model is to provide a spiral stirrup forming equipment, which overcomes the shortcomings of the existing manual work such as slow construction speed and large size deviation by using the integrated flow operation of steel bar straightening, steel bar orientation and spiral stirrup processing ; and the overall structure is scientific and reasonable, easy to install and adjust, high degree of automation, low operating cost, easy to popularize and use.

In order to achieve the above tasks, a spiral stirrup forming equipment includes a straightening system, an orientation system and a spiral processing system arranged sequentially from the raw material steel bar to be formed to its far end; the straightening system includes a pulley block and a Based on the bracket structure supporting the pulley block, the central ring lines of the pulley grooves in the pulley block are in the same vertical plane; the orientation system includes two or more vertically arranged struts, and at least one of the struts has an outer A cylinder that can rotate axially relative to the pole is sheathed on the circular surface; the spiral processing system includes a bending machine and a circular winding body located above the bending machine and coaxially arranged; the raw steel bar can be threaded steel or Round bars.

In order to realize the structure and effect optimization of the utility model, its further measures: the two rollers are respectively sleeved on the outer circular surfaces of the two poles, and the common tangent line between the outer circular surfaces of the two rollers and the contact point of the steel bar is the same as The axial centerlines of the wound body lie in the same vertical plane.

The tangent to the contact point on the outer circumference of the drum and the center ring line of each pulley groove are in the same vertical plane.

At least one pulley in the pulley block is set to be higher than the pulley or lower than the pulley at the same time.

The pulley block includes pulley A, pulley B, pulley C and pulley D arranged in sequence from the far end to the near end of the steel bar raw material, and the position of pulley A and pulley C is higher and the position of pulley B and pulley D is lower; Pulley A, pulley B, pulley C and pulley D are preferably the same size and type.

The installation heights of the pulley A and the pulley C are consistent, the installation height of the pulley B is 30-70mm lower than the height of the pulley C, and the installation height of the pulley D is 80-120mm lower than the height of the pulley C.

The bracket structure of the straightening system includes a front cross bar, a column and a mandrel, and the vertical, transverse and longitudinal three planes of the upright post, the front cross bar and the mandrel are in turn perpendicular to each other, and each pulley of the pulley block is arranged on the core on axis.

The orientation system includes a support rod, a roller, a support pipe, a diagonal brace, a rear cross bar and a concrete foundation; A diagonal brace, the support tube is longitudinally arranged on the rear cross bar and connected with both sides of the support bar for supporting the roller.

A coaxial base is provided between the bending machine and the winding body, and a coaxial through hole and a coaxial pin hole are respectively provided on the upper and lower circular bottom plates of the base, and the coaxial through hole and the coaxial pin hole The size is respectively adapted to the central pin shaft and the bending pin shaft of the bending machine.

The upper plane of the bending machine of the spiral processing system is also provided with two longitudinally parallel positioning square steels, the positioning square steels are provided with positioning pins, and the distance between the outer circular surface of the positioning pins and the outer circular surface of the winding smaller than the diameter of the bar.

The utility model provides a spiral stirrup forming equipment, which includes a straightening system, an orientation system and a spiral processing system arranged sequentially from the raw material steel bar to be formed to its far end; the straightening system includes a pulley block and a The bracket structure supporting the pulley block, the central ring line of each pulley groove in the pulley block is in the same vertical plane; the orientation system includes two or more vertically arranged struts, and the outer circle of at least one strut The surface is covered with a roller that can rotate axially relative to the pole; the spiral processing system includes a bending machine and a technical scheme of a circular winding body located above the bending machine and coaxially arranged; it uses steel bars to straighten, steel bars The integrated flow operation of directional and spiral stirrup processing overcomes the defects of slow construction speed and large size deviation of existing manual work, and the overall structure is scientific and reasonable, easy to install and adjust, high in automation, low in operating cost, and easy to popularize and use.

Compared with the beneficial effects produced by the prior art, the utility model:

Ⅰ. This utility model adopts the tangent line of the contact point of the outer circular surface of the two rollers of the orientation system and the axial center line of the winding body to be located in the same vertical plane, which increases the eccentric force when the spiral processing rotates, which is beneficial to ensure that the spiral hoop Rib forming;

Ⅱ. The installation height of pulley B and pulley D is lower than that of pulley A and pulley C in this utility model, and the purpose of straightening steel bars is achieved by using the height difference of pulleys and the traction force of the bending machine. The structure is simple and the production speed is fast and automatic. High degree;

Ⅲ. The utility model adopts the support rod of the directional system to stand vertically on the concrete foundation, which can ensure that the directional system can bear the horizontal load generated when the spiral stirrup is formed without deviation, which is beneficial to ensure the forming quality of the spiral stirrup. And improve production efficiency;

Ⅳ. The utility model adopts the integrated flow operation of steel bar straightening, steel bar orientation and spiral stirrup processing to overcome the defects of slow construction speed and large size deviation of the existing manual work, and the overall structure is scientific and reasonable, easy to install and adjust, and the degree of automation High, fast production speed, low operating cost, broad market prospects, easy to promote and use.

The utility model is widely applicable to the supporting use when the stirrups of various structural engineering cylinders or foundation pile foundation engineering are formed.

Below with reference to figure, the utility model is described in further detail.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation of the utility model.

Fig. 1 is the front view of the utility model.

Fig. 2 is a top view of the utility model.

Fig. 3 is the front view of the bending machine in the utility model.

Fig. 4 is a top view of the bending machine in the utility model.

In the figure: 1-base, 2-winding body, 3-top plate, 4-strut, 5-roller, 6-support tube, 7-slant brace, 8-rear cross bar, 9-front cross bar, 10- Pulley A, 11-pulley B, 12-pulley C, 13-column, 14-pulley D, 15-rebar, 16-concrete foundation, 17-bending machine, 18-mandrel, 19-coaxial through hole, 20- Locating bolt, 21-coaxial pin hole, 22-locating square steel.

detailed description

With reference to the accompanying drawings, the utility model is realized in the following way: a spiral stirrup forming equipment, which includes a straightening system, an orientation system and a spiral processing system arranged sequentially from the raw material steel bar 15 to be formed to its far end; The straightening system includes a front cross bar 9, a column 13, a mandrel 18 and a pulley block arranged on the mandrel 18, and the upright post 13, the front bar 9 and the mandrel 18 are successively vertically, horizontally and vertically intersected ; Described orientation system comprises pole 4, roller 5, support pipe 6, diagonal brace 7, rear cross bar 8 and concrete foundation 16, and described pole 4 stands vertically on concrete foundation 16, and described rear cross bar 8 Vertically intersecting with the upper part of the pole 4 and connected with a diagonal brace 7, the support pipe 6 is longitudinally arranged on the rear cross bar 8 and connected with both sides of the pole 4, and the roller 5 is sleeved on the outside of the pole 4 on a circular surface and supported by a support tube 6; the spiral processing system includes a winding body 2, a base 1 and a bending machine 17 arranged coaxially in sequence from top to bottom.

As shown in Figure 1, the two ends of the rear crossbar 8 of the orientation system of the present utility model are respectively connected with the spiral processing system and the straightening system and are vertically intersected with the top of the pole 4 in both horizontal and vertical directions; the diagonal brace 7 One end is connected with the strut 4, and the other end is connected with the rear cross bar 8 to strengthen the connection firmness of the orientation system; the pulley block includes a pulley A10, a pulley B11, and a pulley C12 respectively arranged on four parallel mandrels 18 in sequence and pulley D14, and the groove center of each pulley is located in the same vertical plane as the axial centerline of the winding body 2 of the spiral processing system; the installation height of the pulley A10 and the pulley C12 remains consistent, and the installation height of the pulley B11 30-70mm lower than the height of the pulley C12, and the installation height of the pulley D14 is 80-120mm lower than the height of the pulley C12; the steel bar 15 is straightened through the pulley block under the traction of the bending machine 17 of the spiral processing system, and can be straightened according to the whole The length of the spiral stirrup is used to cut off the reinforcing bar 15, which can ensure that the whole spiral stirrup has no lap joints and effectively reduces the loss of the reinforcing bar 15.

As shown in Figure 2, eight columns 13 of the straightening system of the present invention stand vertically on the same ground plane and are arranged in parallel and symmetrically in two rows and four rows in the vertical direction. The tops of the two rows of horizontal columns 13 are horizontally and vertically intersected vertically, and the two ends of the mandrel 18 are respectively overlapped on the two front cross bars and are close to the two vertically arranged columns 13; the rollers 5 of the orientation system Two rollers are sheathed on the support rod 4 respectively, and the tangent line between the outer circular surface of the two rollers 5 and the contact point of the steel bar 15 is located in the same vertical plane as the axial centerline of the winding body 2 .

As shown in Figure 3, the base 1 of the spiral processing system of the present invention includes two circular base plates up and down and a plurality of threaded steel or round steel welded in a circular distribution between the two circular base plates; The winding body 2 is composed of a plurality of threaded steels or round steels welded on the upper bottom plate of the base 1 and distributed in a ring shape. The top of the winding body 2 is provided with an annular top plate 3 .

As shown in Figure 4, the center of the upper and lower circular bottom plates of the base 1 of the spiral processing system of the present utility model is provided with a coaxial through hole 19, and the size of the coaxial through hole 19 is adapted to the central pin shaft of the bending machine 17. The upper and lower circular bottom plates of the base 1 are also provided with coaxial pin holes 21, the size of the coaxial pin holes 21 is adapted to the bending pin shaft of the bending machine 17; the coaxial through holes on the base 1 19 and the coaxial pin hole 21 are assembled with the central pin shaft and the bending pin shaft of the bending machine 17. When the bending machine 17 is started, the base 1 and the winding body 2 can be driven to rotate axially, and the steel bar 15 is wound on the winding body 2 Upper bending forming; the upper plane of the bending machine 17 is provided with two longitudinally parallel positioning square steels 22, and the positioning square steels 22 are provided with a positioning pin 20, and the outer circular surface of the positioning pin 20 is in contact with the winding body 2 The distance between the outer circular surfaces is not less than the diameter of the steel bar 15 .

Embodiment 1 of the utility model: pass the bundled grade I steel bars 15 through the straightening system, pass through the pulley block as shown in Figure 1, and then bend the ends of the steel bars 15 through the outer sides of the two rollers 5 of the orientation system and It is stuck in the winding body 2 and is close to the upper plane of the base 1. At this time, the outer diameter of the base 1 should be greater than the outer diameter of the winding body 2; the bending machine 17 is started again, and the steel bar 15 passes through the pulley block and the straightening system in turn. The roller 5 of the orientation system is wound on the winding body 2 to realize the forming of the spiral stirrup; when the steel bar 15 is adjusted upward with a manual operation crowbar between the two rollers 5 of the orientation system, the spiral stirrup can be guaranteed to be able to move from bottom to top. Forming on the top, so as to prevent the steel bar 15 from winding on the same horizontal surface, and avoid the potential safety hazard caused by the operator working near the spiral processing system; when the length of the spiral stirrup reaches the requirement, the steel bar 15 can be cut near the winding body 2, And reverse the bending machine 17 to unload the spiral stirrup from the winding body 2 .

Embodiment 2 of the present utility model: when processing the steel bar 15 of grade II, because the length of the steel bar of grade II is fixed length and does not need to be straightened; at this time, the diameter of the outer circle of the winding body 2 can be the same as the diameter of the outer circle of the base 1 , as shown in Figure 4, a positioning pin 20 is set on the positioning square steel 22 of the bending machine 17, and then the second-grade steel bar 15 is passed between the winding body 2 and the positioning pin 20, and its end is bent and stuck in the In the winding body 2, start the bending machine 17 subsequently, so that the steel bar 15 is wound on the winding body 2 to realize the forming of the spiral stirrup; finally, when the length of the spiral stirrup reaches the requirement, the reverse bending machine 17 can remove the spiral stirrup from the coil Remove from body 2.

The size of the base 1, winding body 2, drum 5 and each pulley in the utility model is adapted according to the diameter of the spiral stirrup; when it is necessary to make a spiral stirrup with an outer diameter of 400mm, the preferred height of the base 1 is 50mm , the outer diameter is 600 mm, the outer diameter of the winding body 2 is preferably 400 mm, the outer diameter of the drum 5 is preferably 65 mm, and the outer diameter of each pulley is preferably 100 mm.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes; Within the principle, any modification, equivalent replacement, improvement, etc. should be included in the protection scope of the present utility model.

Claims (10)

1. A spiral stirrup forming equipment is characterized in that it comprises a straightening system, an orientation system and a spiral processing system arranged sequentially from the raw material steel bar (15) to be formed to its far end; the straightening system includes a block pulley And a bracket structure for supporting the pulley block, the central ring line of each pulley groove in the pulley block is in the same vertical plane; the orientation system includes two or more vertically arranged struts (4), at least one A cylinder (5) that can rotate axially relative to the pole (4) is sheathed on the outer surface of the root pole (4); the spiral processing system includes a bending machine (17) and a A circular jellyroll (2) arranged coaxially. 2. The spiral stirrup forming equipment according to claim 1, characterized in that the two rollers (5) are respectively sleeved on the outer circular surfaces of the two poles (4), and the two rollers (5) A common tangent to the contact point of the outer circular surface with the reinforcing bar (15) and the axial centerline of the winding body (2) are located in the same vertical plane. 3. According to the described spiral stirrup forming equipment of claim 2, it is characterized in that the tangent line of the contact point with the steel bar (15) on the outer surface of the drum (5) and the central ring line of each pulley groove are in the same vertical plane . 4. The spiral stirrup forming equipment according to claim 1, characterized in that at least one of the pulleys in the pulley block is set to be higher than the pulley or lower than the pulley at the same time. 5. according to the described spiral stirrup forming equipment of claim 4, it is characterized in that said block pulley comprises pulley A (10), pulley B (11), pulley C (12) and Pulley D (14), and the position of pulley A (10) and pulley C (12) is higher and the position of pulley B (11) and pulley D (14) is lower. 6. according to the described spiral stirrup forming equipment of claim 5, it is characterized in that the installation height of described pulley A (10) and pulley C (12) keeps consistent, and the installation height of pulley B (11) is higher than pulley C (12) The height of the pulley is 30-70mm lower, and the installation height of the pulley D (14) is 80-120mm lower than that of the pulley C (12). 7. The spiral stirrup forming equipment according to claim 1, characterized in that the support structure of the straightening system comprises a front cross bar (9), a column (13) and a mandrel (18), and the column (13) , the front cross bar (9) and the mandrel (18) are vertical, transverse and longitudinal three planes perpendicularly intersecting successively, and each pulley of the described pulley block is all arranged on the mandrel (18). 8. The spiral stirrup forming equipment according to claim 1, characterized in that the orientation system includes a support rod (4), a roller (5), a support pipe (6), a diagonal brace (7), a rear cross bar (8 ) and concrete foundation (16); said pole (4) stands vertically on the concrete foundation (16), and said rear crossbar (8) intersects vertically with the top of pole (4) and is connected with a diagonal brace ( 7), the support pipe (6) is longitudinally arranged on the rear cross bar (8) and connected with both sides of the support bar (4) for supporting the roller (5). 9. The spiral stirrup forming equipment according to claim 1, characterized in that a coaxial base (1) is provided between the bending machine (17) and the winding body (2), and the base (1) The upper and lower circular base plates are respectively provided with a coaxial through hole (19) and a coaxial pin hole (21). The center pin and the bending pin are adapted. 10. A kind of spiral stirrup forming equipment according to claim 1, characterized in that two longitudinally parallel positioning square steels (22) are also provided on the upper plane of the bending machine (17) of the spiral processing system, The positioning square steel (22) is provided with a positioning pin (20), and the distance between the outer circular surface of the positioning pin (20) and the outer circular surface of the winding body (2) is not less than the diameter of the reinforcing bar (15).