CN113198946B - Reinforcing bar cage reinforcing bar preflex setting device - Google Patents

Abstract

The application provides a reinforcement cage reinforcing bar preflex setting device belongs to engineering technical field. The steel bar pre-bending and shaping device comprises a rack, a rotating seat, a driving device, a winding device, a rotating part and a pushing mechanism. The driving device is used for driving the rotating seat to rotate around the rotating axis. The winding device comprises a driving mechanism and a plurality of winding pieces circumferentially distributed on the rotating seat at intervals, and the driving mechanism is used for driving the winding pieces to move towards the direction close to or far away from the rotating axis. Wherein the plurality of winding members includes a first winding member. Rotate an axial locking and circumference and rotationally set up in first winding, rotate the piece and have the first end that deviates from the axis of rotation in its axial, first end is equipped with the draw-in groove. The pushing mechanism is connected to the rack and located outside the winding device, and the pushing mechanism is used for bending two end portions of the steel bars and clamping the two end portions into the clamping grooves. The rotating part is in transmission connection with the driving mechanism. The steel reinforcement cage steel reinforcement pre-bending and shaping device can effectively improve the shaping efficiency of the ring reinforcement.

Description

Reinforcing bar cage reinforcing bar preflex setting device

Technical Field

The application relates to the technical field of engineering, particularly, relate to a steel reinforcement cage reinforcing bar preflex setting device.

Background

In the construction engineering with pile foundation, the prefabricated reinforcement cage is required to be placed into the pile hole, and then concrete is injected into the pile hole to form the foundation pile. When the reinforcement cage is manufactured, the ring ribs need to be manufactured firstly, and then the plurality of ring ribs and the plurality of longitudinal ribs are welded together to form the reinforcement cage.

At present, when the ring rib is manufactured, a shaping device is generally utilized to pre-bend the reinforcing steel bar into a round shape, then, two ends of the reinforcing steel bar are manually connected together, and the forming efficiency is low.

Disclosure of Invention

The embodiment of the application provides a reinforcement cage reinforcing bar preflex setting device, can effectively improve the shaping efficiency to the ring muscle.

The embodiment of the application provides a pre-bending and shaping device for reinforcing steel bars of a steel bar cage, which comprises a rack, a rotating seat, a driving device, a winding device, a rotating piece and a pushing mechanism; the rotating seat is rotatably arranged on the rack; the driving device is connected to the rotating seat and the rack and used for driving the rotating seat to rotate around a rotating axis; the winding device is used for winding the reinforcing steel bars and comprises a driving mechanism and a plurality of winding pieces which are circumferentially distributed on the rotating seat at intervals by taking the rotating axis as a center, the driving mechanism is connected with the winding pieces and the rotating seat, and the driving mechanism is used for driving the winding pieces to move towards the direction close to or away from the rotating axis so as to reduce or increase the winding radius of the winding device for winding the reinforcing steel bars; wherein the plurality of windings comprises a first winding; the rotating piece is axially locked and is circumferentially and rotatably arranged on the first winding piece, the rotating piece is provided with a first end deviating from the rotating axis in the axial direction, and the first end is provided with a clamping groove; the pushing mechanism is connected to the rack and located outside the winding device, and is used for applying pushing force to the reinforcing steel bars wound on the winding device along the direction close to the rotating axis so as to bend the two end parts of the reinforcing steel bars and clamp the two end parts into the clamping grooves; the rotating part is in transmission connection with the driving mechanism, so that the rotating part rotates when the driving mechanism drives the winding part to move towards the direction close to the rotating axis, and the two ends of the reinforcing steel bar are wound together.

In the technical scheme, the driving device drives the rotating seat to rotate, so that the winding device can rotate along with the rotating seat to wind the steel bars on the plurality of winding pieces of the winding device, and the straight steel bars are pre-bent into the round steel bars; then, thrust is applied to the steel bars wound on the winding device along the direction close to the rotating axis through the pushing mechanism, two end parts of the steel bars are bent and clamped into the clamping grooves of the rotating part under the action of the pushing mechanism, and at the moment, a distance exists between the two end parts of the steel bars; subsequently, move to the direction that is close to the axis of rotation through actuating mechanism drive winding, make the winding radius of wind reduce, for the reinforcing bar that twines on the wind provides the space that contracts inwards (the diameter of winding round steel bar reduces on the wind), because it is connected with the actuating mechanism transmission to rotate the piece, actuating mechanism is when the drive winding moves to the direction that is close to the axis of rotation, actuating mechanism can drive and rotate a rotation, rotate the piece and rotate the in-process, under the effect of the cell wall of draw-in groove, two tip of reinforcing bar can draw close gradually and finally twine together, in order to form the ring muscle. Two tip of reinforcing bar are at the winding in-process, and the reinforcing bar contracts in (the diameter of circular reinforcing bar reduces), and it has guaranteed that the winding can not lead to the fact the influence to the reinforcing bar contracts in to the direction that is close to the axis of rotation exactly because the winding removes. Because rotate piece and the axial locking of first winding piece, first winding piece is to the direction removal that is close to the axis of rotation under actuating mechanism's effect, finally can make two tip of reinforcing bar break away from the draw-in groove, and the girth after making the shaping can freely move winding device relatively to in order to take off the girth. This kind of steel reinforcement cage reinforcing bar preflex setting device can become circular reinforcing bar with straight reinforcing bar preflex to twine two tip of circular reinforcing bar together, in order to form the ring muscle, need not two end connection of artifical with circular reinforcing bar together in the shaping process, improved the shaping efficiency of ring muscle.

In some embodiments, the drive mechanism comprises a drive shaft, a first transmission mechanism, and a power element;

the driving shaft is rotatably arranged on the rotating seat, the axis of the driving shaft is overlapped with the rotating axis, and the rotating part is in transmission connection with the driving shaft;

the plurality of winding pieces are in transmission connection with the driving shaft through the first transmission mechanism;

the power element is connected to the driving shaft and the rotating seat, and the power element is used for driving the driving shaft to rotate, so that the driving shaft drives the rotating part to rotate when the winding part is driven by the driving shaft through the first transmission mechanism to move towards the direction close to the rotating axis.

Among the above-mentioned technical scheme, a plurality of winding pieces through first drive mechanism with the drive shaft transmission is connected, rotates the piece and is connected with the drive shaft rotation, drives the drive shaft through power element and rotates then can realize rotating the rotation of piece and the removal of each winding piece, guarantees that the drive shaft rotates when driving each winding piece and moving to the direction that is close to the axis of rotation under first slewing mechanism's rotation. The driving mechanism can realize the rotation of the rotating part and the movement of each winding part through the rotation of the driving shaft, and has simple structure.

In some embodiments, the first transmission mechanism comprises two first transmission assemblies arranged at intervals along the extension direction of the rotation axis;

the first transmission assembly comprises a shaft sleeve and a plurality of connecting rods circumferentially arranged on the shaft sleeve, the connecting rods correspond to the winding pieces one by one, one ends of the connecting rods are hinged to the shaft sleeve, the other ends of the connecting rods are hinged to the winding pieces, and the shaft sleeve is in threaded connection with the driving shaft;

the driving shaft is used for driving the shaft sleeve to move along the driving shaft when rotating under the action of the power element, so that the connecting rod drives the winding piece to move towards or away from the rotating axis in a posture parallel to the rotating axis.

Among the above-mentioned technical scheme, because the axle sleeve spiro union in drive shaft, the drive shaft rotates and removes drive axle sleeve along the drive shaft, because the both ends of connecting rod are articulated with axle sleeve and winding piece respectively, the axle sleeve removes along the drive shaft and will makes the connecting rod drive the winding piece and remove to realize that the drive shaft rotates and drive the winding piece and remove. Because two first transmission assemblies are arranged along the extending direction of the rotating axis at intervals, the two first transmission assemblies can also be understood as being arranged along the extending direction of the driving shaft at intervals, when the driving shaft rotates, the connecting rods of the two first transmission assemblies can apply driving force to the winding piece, the winding piece moves towards the direction close to or far away from the rotating axis in a posture parallel to the rotating axis, and the stability of the winding piece in the translation process is improved.

In some embodiments, the drive shaft includes two helical portions with opposite hand turns, and the sleeve of each first transmission assembly is threaded onto one helical portion.

Among the above-mentioned technical scheme, because two first drive assembly's axle sleeve spiro union respectively on revolving to two opposite helices, two axle sleeves can remove to opposite direction when the drive shaft rotates to drive the winding translation.

In some embodiments, the swivel base comprises a top base, a bottom base, and a connector; the top seat is rotatably connected to the frame around the rotating axis; the base and the top seat are arranged at intervals along the extending direction of the rotating axis; the top end of the connecting piece is fixedly connected with the top seat, and the bottom end of the connecting piece is fixedly connected with the base; the top end of the winding piece is connected with the top seat in a sliding mode, and the bottom end of the winding piece is connected with the base in a sliding mode.

Among the above-mentioned technical scheme, the top and the bottom of connecting piece are fixed connection respectively in footstock and base, make footstock and base relative position between them keep fixed, and the top and the bottom of winding are sliding connection respectively in footstock and base, can guarantee the stability of winding at the removal in-process.

In some embodiments, the connector is a guide rod, and the bushing is slidably coupled to the guide rod.

Among the above-mentioned technical scheme, axle sleeve and guide arm sliding connection improve the stationarity of axle sleeve in the removal process, and the guide arm can prevent the axle sleeve from following the drive shaft and rotating, reduces the connecting rod and receives the upset moment of axle sleeve, has improved whole first drive mechanism life.

In some embodiments, the winding member includes a connecting portion and a winding portion extending along an extending direction of the rotation axis, the winding portion has an outer surface for contacting the reinforcing bar, one end of the connecting portion is connected to one end of the winding portion, one end of the winding portion away from the connecting portion is slidably connected to the top base, one end of the connecting portion away from the winding portion is connected to the base, and the connecting portion is bent toward a direction close to the rotation axis relative to the winding portion, so that one end of the connecting portion connected to the winding portion is farther from the rotation axis than one end of the connecting portion slidably connected to the base;

the winding member has a first limit position and a second limit position, and the second limit position can be reached when the winding member moves from the first limit position to the direction close to the rotation axis;

when the winding piece is located at the second limit position, the projection of the base along the extension direction of the rotating axis is located in a circle of the outer surface, and the circle takes the rotating axis as the center.

Among the above-mentioned technical scheme, the winding is located during the second extreme position, the winding is the closest to in axis of rotation, the winding device winding this moment the winding radius of reinforcing bar is minimum, under this condition, the base is located the circle at surface place along the extending direction's of axis of rotation projection, that is to say, the base is located the common within range of the circle of place of surface of each winding portion all the time, two tip twine back together under the effect of rotation piece of reinforcing bar, along with first winding to the direction removal that is close to axis of rotation, the ring muscle after the shaping can fall from the winding device by oneself, realize automatic blanking, need not to go down the ring muscle through artificial mode. In the process, the base does not influence the falling of the ring rib.

In some embodiments, the rotating member is in driving connection with the drive shaft through a second transmission mechanism;

the second transmission mechanism comprises a transmission shaft and a second transmission assembly, the transmission shaft is perpendicular to the driving shaft, the transmission shaft is axially locked and is circumferentially and rotatably arranged on the rotating seat, and the transmission shaft is in transmission connection with the driving shaft through the second transmission assembly;

the rotating piece is circumferentially locked and axially movably arranged on the transmission shaft.

Among the above-mentioned technical scheme, it sets up in the transmission shaft to rotate a circumference locking and axially movable, transmission shaft axial locking and circumference rotationally set up in the roating seat, when the drive shaft passes through second transmission assembly and drives the transmission shaft rotation, the transmission shaft can not roating seat axial displacement relatively, the transmission shaft rotates and will drive a rotation piece rotation, of course, rotate a pivoted in-process, first winding also will move under the effect of drive shaft, first winding will drive a rotation piece and move together, thereby make and rotate a relative transmission shaft axial displacement. This structure allows the power transmission between the rotating shaft and the rotating member to be not interrupted by the rotating member following the movement of the first winding member.

In some embodiments, the first winding element is provided with a receiving groove, a notch of the receiving groove faces away from the rotation axis,

the rotation piece is located in the holding tank, the notch is more than first end is farther away from the axis of rotation, the periphery wall of rotation piece with the internal perisporium of holding tank forms normal running fit, the both ends that the draw-in groove is relative run through the periphery wall of rotation piece.

Among the above-mentioned technical scheme, the periphery wall that rotates the piece is run through to the both ends that the draw-in groove is relative, and two tip of easy reinforcing bar are gone into in the draw-in groove under pushing mechanism's effect. When two tip cards of reinforcing bar go into in the draw-in groove, through the rotation of rotating the in-process that twines two tip of reinforcing bar together, two tip of reinforcing bar also are located the holding tank, and the holding tank plays limiting displacement, guarantees that the reinforcing bar can not break away from wind, treats that each twine moves certain distance back to the direction that is close to the axis of rotation, and two tip of reinforcing bar will break away from the holding tank, are convenient for take off the ring muscle.

In some embodiments, the pushing mechanism comprises a pressure block and a linear drive member;

the linear driving part is connected to the rack, the pressing block is connected to the output end of the linear driving part, and the linear driving part is used for driving the pressing block to move back and forth along the axial direction of the rotating part when the pressing block is aligned with the rotating part.

Among the above-mentioned technical scheme, drive briquetting rectilinear movement then can be buckled two tip of reinforcing bar and impress to the draw-in groove in through sharp drive unit, the pushing mechanism simple structure of this kind of structure easily realizes. In addition, can adjust the distance of briquetting and first winding through sharp drive part to make the briquetting drive the in-process that the wind device rotated the winding reinforcing bar at the roating seat and play the effect of blockking to the reinforcing bar, make straight reinforcing bar crooked gradually to the wind device on.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a reinforcing bar pre-bending and sizing device according to some embodiments of the present disclosure;

fig. 2 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of the pre-bending and setting device for reinforcing bars shown in fig. 1;

fig. 3 is a partially enlarged view of the reinforcing bar pre-bending and setting device shown in fig. 1 at a position B;

FIG. 4 is a schematic view of the connection of the rotating member shown in FIG. 1 to the first winding member;

FIG. 5 is a schematic view of two ends of a compact bent rebar provided by some embodiments of the present application;

fig. 6 is a schematic structural view of a reinforcing bar (with both ends in a bent state) according to some embodiments of the present application;

fig. 7 is a schematic structural diagram of a circumferential rib provided in some embodiments of the present application.

An icon: a reinforcing steel bar pre-bending and shaping device 100; a frame 10; a support platform 11; support legs 12; a groove 121; a rotary base 20; a top base 21; a central shaft 211; a first chute 212; a base 22; a second chute 221; a connecting member 23; a guide rod 23a; a fixing plate 231; a drive device 30; a first motor 31; a belt drive assembly 32; a winding device 40; a drive mechanism 41; a drive shaft 411; a spiral portion 4111; a first transmission mechanism 412; a first transmission assembly 4121; a sleeve 4121a; a link 4121b; a power element 413; a wrapping member 42; a first winding member 42a; a connecting portion 421; a winding portion 422; an outer surface 4221; an accommodation groove 423; an annular stopper portion 4231; a rotation member 50; a first end 51; a card slot 52; a second end 53; a jack 54; a strip groove 55; an annular recess 56; a pushing mechanism 60; a press block 61; a stopper groove 611; a linear drive member 62; a second transmission mechanism 70; a transmission shaft 71; a snap-fit projection 712; a second transmission assembly 72; reinforcing steel bars 200; an end portion 210; a ring rib 220; the axis of rotation Z.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Examples

The embodiment of the application provides a reinforcement cage reinforcing bar preflex setting device, effectively improves the shaping efficiency to the ring muscle. The concrete structure of the reinforcement cage reinforcement pre-bending and shaping device is explained in detail in the following by combining the attached drawings.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a rebar pre-bending and shaping device 100 according to some embodiments of the present disclosure, where the rebar pre-bending and shaping device 100 includes a frame 10, a rotating base 20, a driving device 30, a winding device 40, a rotating member 50, and a pushing mechanism 60.

The rotary base 20 is rotatably disposed on the frame 10. The driving device 30 is connected to the rotary base 20 and the frame 10, and the driving device 30 is used for driving the rotary base 20 to rotate around the rotation axis Z. The winding device 40 is used for winding the reinforcing steel bar 200, the winding device 40 includes a driving mechanism 41 and a plurality of winding members 42 circumferentially distributed on the rotating base 20 at intervals with the rotating axis Z as a center, the driving mechanism 41 is connected to the winding members 42 and the rotating base 20, and the driving mechanism 41 is used for driving the winding members 42 to move towards a direction close to or away from the rotating axis Z, so that the winding radius of the winding device 40 winding the reinforcing steel bar 200 is reduced or increased. Wherein the plurality of windings 42 includes a first winding 42a. The rotary part 50 is axially locked and is circumferentially rotatably arranged on the first winding part 42a, the rotary part 50 has a first end 51 facing away from the rotation axis Z in the axial direction, and the first end 51 is provided with a locking groove 52. The pushing mechanism 60 is connected to the frame 10 and located outside the winding device 40, and the pushing mechanism 60 is configured to apply a pushing force to the reinforcing steel bar 200 wound around the winding device 40 in a direction close to the rotation axis Z, so that the two ends 210 of the reinforcing steel bar 200 are bent and clamped into the clamping grooves 52; wherein, the rotating member 50 is drivingly connected to the driving mechanism 41, such that the rotating member 50 rotates when the driving mechanism 41 drives the winding member 42 to move in a direction close to the rotation axis Z, so as to wind the two ends 210 of the reinforcing bars 200 together.

In the forming process, the driving device 30 drives the rotating base 20 to rotate, so that the winding device 40 rotates along with the rotating base 20 to wind the steel bar 200 on the plurality of winding pieces 42 of the winding device 40, and the straight steel bar 200 is pre-bent into the round steel bar 200; subsequently, pushing force is applied to the reinforcing steel bar 200 wound on the winding device 40 by the pushing mechanism 60 along a direction close to the rotation axis Z, and the two ends 210 of the reinforcing steel bar 200 are bent and clamped into the clamping grooves 52 of the rotating member 50 under the action of the pushing mechanism 60, wherein the two ends 210 of the reinforcing steel bar 200 are spaced; subsequently, the driving mechanism 41 drives the winding element 42 to move towards the direction close to the rotation axis Z, so that the winding radius of the winding device 40 is reduced, a space for inward contraction (diameter reduction of the circular steel bar 200 wound on the winding device 40) is provided for the steel bar 200 wound on the winding device 40, because the rotating element 50 is in transmission connection with the driving mechanism 41, when the driving mechanism 41 drives the winding element 42 to move towards the direction close to the rotation axis Z, the driving mechanism 41 can drive the rotating element 50 to rotate, and during the rotation of the rotating element 50, under the action of the groove wall of the clamping groove 52, the two ends 210 of the steel bar 200 can gradually get close to each other and finally wind together to form the ring rib 220. During the winding process of the two ends 210 of the reinforcing bar 200, the reinforcing bar 200 retracts (the diameter of the round reinforcing bar 200 decreases), and it is ensured that the winding member 42 does not affect the retraction of the reinforcing bar 200 because the winding member 42 moves in the direction close to the rotation axis Z. Since the rotating member 50 is axially locked with the first winding member 42a, the first winding member 42a moves in a direction close to the rotation axis Z under the action of the driving mechanism 41, and finally the two ends 210 of the reinforcing bar 200 are separated from the slots 52, so that the formed ring rib 220 can move freely relative to the winding device 40, so as to remove the ring rib 220. The reinforcing bar preflex setting device 100 of above-mentioned structure can become circular reinforcing bar 200 with straight reinforcing bar 200 preflex to twine two tip 210 of circular reinforcing bar 200 together, in order to form ring muscle 220, need not artifical two tip 210 with circular reinforcing bar 200 and link together, improved the shaping efficiency of ring muscle 220 in the shaping process.

The winding radius of the reinforcing bar 200 wound by the winding device 40 is a radius of a circle on which each winding member 42 is located, and the first winding member 42a is one winding member 42 among the plurality of winding members 42.

In some embodiments, the frame 10 includes a support platform 11 and a plurality of support legs 12 disposed at the bottom of the support platform 11, and the rotating base 20 is rotatably disposed at the bottom of the support platform 11.

In some embodiments, the rotating base 20 includes a top base 21, a bottom base 22, and a connecting member 23. The top mount 21 is rotatably connected to the frame 10 about the rotation axis Z. The base 22 and the top base 21 are spaced apart from each other in the extending direction of the rotation axis Z. The top end of the connecting piece 23 is fixedly connected with the top seat 21, and the bottom end of the connecting piece 23 is fixedly connected with the base seat 22. The top end of the winding member 42 is slidably connected to the top base 21, and the bottom end of the winding member 42 is slidably connected to the bottom base 22.

The top end and the bottom end of the connecting piece 23 are respectively and fixedly connected with the top seat 21 and the base 22, so that the relative positions of the top seat 21 and the base 22 are kept fixed, and the top end and the bottom end of the winding piece 42 are respectively and slidably connected with the top seat 21 and the base 22, so that the stability of the winding piece 42 in the moving process can be ensured.

Illustratively, the top seat 21 is rotatably disposed at the bottom of the supporting platform 11, the top seat 21 and the bottom seat 22 are both circular disk-shaped, and the axis of the top seat 21 and the axis of the bottom seat 22 are both coincident with the rotation axis Z. The top of the top seat 21 is provided with a central shaft 211 coaxial with the top seat, and the central shaft 211 is rotatably connected with the supporting platform 11 through a bearing.

In some embodiments, the winding member 42 includes a connection portion 421 and a winding portion 422 extending along the extending direction of the rotation axis Z, the winding portion 422 has an outer surface 4221 for contacting with the steel bar 200, one end of the connection portion 421 is connected to one end of the winding portion 422, one end of the winding portion 422 far away from the connection portion 421 is slidably connected to the top seat 21, one end of the connection portion 421 far away from the winding portion 422 is connected to the bottom seat 22, and the connection portion 421 is bent relative to the winding portion 422 in a direction close to the rotation axis Z, so that one end of the connection portion 421 connected to the winding portion 422 is farther from the rotation axis Z than one end of the connection portion 421 slidably connected to the bottom seat 22. The winding member 42 has a first extreme position and a second extreme position, the second extreme position being reached by the winding member 42 moving from the first extreme position in a direction close to the axis of rotation Z. When the wrapping member 42 is in the second extreme position, the projection of the base 22 along the extension direction of the rotation axis Z lies within the circle on which the outer surface 4221 lies, this circle being centred on the rotation axis Z.

When the winding member 42 is located at the second limit position, the winding member 42 is closest to the rotation axis Z, and at this time, the winding radius of the winding device 40 for winding the steel bar 200 is minimum, in this case, the projection of the base 22 along the extension direction of the rotation axis Z is located in the circle where the outer surfaces 4221 are located, that is, the base 22 is always located in the range of the circle where the outer surfaces 4221 of the respective winding portions 422 jointly locate, after the two ends 210 of the steel bar 200 are wound together under the action of the rotation member 50, as the first winding member 42a moves in the direction close to the rotation axis Z, the formed ring rib 220 automatically falls off from the winding device 40, so that automatic blanking is realized, and the ring rib 220 does not need to be removed manually. In this process, the base 22 does not affect the falling of the ring rib 220.

Illustratively, the winding portion 422 has a linear structure, the connecting portion 421 has a circular arc structure, and the winding portion 422 is parallel to the rotation axis Z.

Optionally, a plurality of first sliding grooves 212 are formed in the lower surface of the top base 21, the first sliding grooves 212 are uniformly arranged around the rotation axis Z, a plurality of second sliding grooves 221 are formed in the upper surface of the base 22, the second sliding grooves 221 are uniformly arranged around the rotation axis Z, and the first sliding grooves 212 and the second sliding grooves 221 are in one-to-one correspondence with the winding members 42. One end of the winding portion 422 of each winding member 42 away from the connecting portion 421 is slidably clamped in one of the first sliding grooves 212, and one end of the connecting portion 421 of each winding member 42 away from the winding portion 422 is slidably clamped in one of the second sliding grooves 221.

In some embodiments, the driving device 30 includes a first motor 31 and a belt transmission assembly 32, the first motor 31 is fixed on the top of the supporting platform 11, the first motor 31 is in transmission connection with the central shaft 211 through the belt transmission assembly 32, and the first motor 31 operates to transmit power to the central shaft 211 through the electric transmission assembly to realize the rotation of the rotary base 20.

The belt transmission assembly 32 includes a small belt pulley, a large belt pulley and a belt, the large belt pulley is connected to the central shaft 211, the small belt pulley is connected to an output shaft of the first motor 31, and the large belt pulley is connected to the small belt pulley through the belt.

In some embodiments, with continued reference to fig. 1, the driving mechanism 41 includes a driving shaft 411, a first transmission mechanism 412, and a power element 413. The driving shaft 411 is rotatably disposed on the rotating base 20, the axis of the driving shaft 411 coincides with the rotation axis Z, and the rotating member 50 is in transmission connection with the driving shaft 411. The plurality of winding members 42 are drivingly connected to the drive shaft 411 through a first transmission mechanism 412. The power element 413 is connected to the driving shaft 411 and the rotating base 20, and the power element 413 is used for driving the driving shaft 411 to rotate, so that the driving shaft 411 drives the rotating member 50 to rotate when the driving shaft 411 drives the winding member 42 to move in the direction close to the rotation axis Z through the first transmission mechanism 412.

Since the plurality of winding members 42 are in transmission connection with the driving shaft 411 through the first transmission mechanism 412, and the rotating member 50 is in rotation connection with the driving shaft 411, the driving shaft 411 is driven by the power element 413 to rotate, so that the rotation of the rotating member 50 and the movement of each winding member 42 can be realized, and the rotation of the rotating member 50 when the driving shaft 411 drives each winding member 42 to move towards the direction close to the rotation axis Z under the rotation of the first transmission mechanism is ensured. The driving mechanism 41 can realize the rotation of the rotating member 50 and the movement of each winding member 42 by the rotation of the driving shaft 411, and has a simple structure.

Illustratively, the driving shaft 411 is vertically arranged, an axis of the driving shaft 411 is a rotation axis Z, and the driving shaft 411 is rotatably connected with the base 22 of the rotating base 20 through a bearing. The power unit is a second motor, and an output shaft of the second motor is connected with the driving shaft 411 to drive the driving shaft 411 to rotate around the rotation axis Z.

Optionally, the first transmission mechanism 412 comprises two first transmission assemblies 4121 arranged at intervals along the extension of the rotation axis Z. The first transmission assembly 4121 includes a sleeve 4121a and a plurality of links 4121b circumferentially arranged on the sleeve 4121a, the links 4121b correspond to the winding member 42 one-to-one, one end of the link 4121b is hinged to the sleeve 4121a, the other end of the link 4121b is hinged to the winding member 42, and the sleeve 4121a is threadedly coupled to the driving shaft 411. The driving shaft 411 is used for driving the sleeve 4121a to move along the driving shaft 411 when rotating under the action of the power element 413, so that the connecting rod 4121b drives the winding member 42 to move in a direction close to or away from the rotating axis Z in a posture parallel to the rotating axis Z.

Since the sleeve 4121a is screwed on the driving shaft 411, the driving shaft 411 rotates to drive the sleeve 4121a to move along the driving shaft 411, and since the two ends of the connecting rod 4121b are respectively hinged with the sleeve 4121a and the winding element 42, the movement of the sleeve 4121a along the driving shaft 411 will make the connecting rod 4121b drive the winding element 42 to move, so that the driving shaft 411 rotates to drive the winding element 42 to move. Since the two first transmission assemblies 4121 are spaced along the extending direction of the rotation axis Z, it can also be understood that the two first transmission assemblies 4121 are spaced along the extending direction of the driving shaft 411, so that when the driving shaft 411 rotates, the connecting rods 4121b of the two first transmission assemblies 4121 both apply a driving force to the winding member 42, so that the winding member 42 moves towards or away from the rotation axis Z in a posture parallel to the rotation axis Z, thereby improving the stability of the winding member 42 during the translation process.

In some embodiments, the drive shaft 411 includes two helical portions 4111 with opposite rotation directions, and the sleeve 4121a of each first transmission component 4121 is threaded to one helical portion 4111.

Since the sleeves 4121a of the two first transmission assemblies 4121 are respectively screwed to the two helical portions 4111 with opposite screwing directions, the two sleeves 4121a will move in opposite directions when the driving shaft 411 rotates, so as to drive the winding member 42 to translate.

In this embodiment, the two first transmission assemblies 4121 are connected to the connecting rods 4121b of the same winding member 42, and are distributed vertically symmetrically, so that when the driving shaft 411 drives the two bushings 4121a to approach each other, each winding member 42 moves to a direction close to the rotation axis Z, and when the driving shaft 411 drives the two bushings 4121a to move away from each other, each winding member 42 moves to a direction away from the rotation axis Z.

It should be noted that, in other embodiments, the rotation directions of the two spiral portions 4111 may be the same, in which case, the connecting rods 4121b of the two first transmission assemblies 4121 connected to the same winding member 42 are arranged in parallel. Of course, in other embodiments, the first transmission mechanism 412 may include only one first transmission assembly 4121.

In some embodiments, referring to fig. 1 and 2, fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of the reinforcing bar pre-bending and shaping device 100 shown in fig. 1, the connecting member 23 connected between the top base 21 and the bottom base 22 isbase:Sub>A guide rod 23base:Sub>A, and the sleeve 4121base:Sub>A is slidably connected with the guide rod 23base:Sub>A.

The sleeve 4121a is connected with the guide rod 23a in a sliding manner, so that the smoothness of the sleeve 4121a in the moving process is improved, the guide rod 23a can prevent the sleeve 4121a from rotating along with the driving shaft 411, the overturning moment of the connecting rod 4121b on the sleeve 4121a is reduced, and the service life of the whole first transmission mechanism 412 is prolonged.

The sleeve 4121a is provided with a through hole for the guide rod 23a to pass through, and the aperture of the through hole is matched with the diameter of the guide rod 23 a.

Illustratively, four guide rods 23a are connected between the top base 21 and the bottom base 22, and four guide rods 23a are circumferentially arranged around the driving shaft 411. In fig. 2, the number of the winding members 42 is 8, and the number of the connecting rods 4121b in each first transmission assembly 4121 is also 8, and two adjacent connecting rods 4121b in each first transmission assembly 4121 are located between two adjacent guide rods 23a in the circumferential direction of the driving shaft 411.

In some embodiments, with continued reference to fig. 1, the rotating member 50 is drivingly connected to the driving shaft 411 through the second transmission mechanism 70. The second transmission mechanism 70 includes a transmission shaft 71 and a second transmission assembly 72, the transmission shaft 71 is perpendicular to the driving shaft 411, the transmission shaft 71 is axially locked and circumferentially and rotatably disposed on the rotating base 20, that is, the transmission shaft 71 can circumferentially rotate relative to the rotating base 20 but cannot circumferentially move relative to the rotating base 20, and the transmission shaft 71 and the driving shaft 411 are in transmission connection through the second transmission assembly 72. The rotating member 50 is circumferentially locked and axially movably disposed on the transmission shaft 71, that is, the rotating member 50 can axially move relative to the transmission shaft 71 and cannot rotate relative to the transmission shaft 71, so as to ensure that the rotation of the transmission shaft 71 can drive the rotating member 50 to rotate.

The rotating member 50 is circumferentially locked and axially movably disposed on the transmission shaft 71, the transmission shaft 71 is axially locked and circumferentially rotatably disposed on the rotating base 20, when the driving shaft 411 drives the transmission shaft 71 to rotate through the second transmission assembly 72, the transmission shaft 71 does not axially move relative to the rotating base 20, the transmission shaft 71 rotates to drive the rotating member 50 to rotate, of course, during the rotation of the rotating member 50, the first winding member 42a will also move under the effect of the driving shaft 411, and the first winding member 42a will drive the rotating member 50 to move together, so that the rotating member 50 axially moves relative to the transmission shaft 71. This structure allows the power transmission between the rotating shaft and the rotating member 50 not to be interrupted by the rotating member 50 following the movement of the first winding member 42a.

The second transmission assembly 72 may comprise a pair of intermeshing conical gears, one of which is connected to the drive shaft 411 and the other of which is connected to the transmission shaft 71. The rotational speed of the rotary member 50 can be adjusted by changing the gear ratio of the two bevel gears.

Wherein the rotation member 50 is coaxially disposed with the transmission shaft 71.

For example, the guide rod 23a of the rotary base 20 is provided with a fixing plate 231, the fixing plate 231 is provided with a hole for the transmission shaft 71 to rotate, and the transmission shaft 71 is provided with two annular protrusions which respectively abut against two surfaces of the fixing plate 231 in the thickness direction so as to limit the transmission shaft 71 to axially move relative to the fixing plate 231. The transmission shaft 71 is rotatably connected to the first winding member 42a through a bearing.

In some embodiments, referring to fig. 3, fig. 3 is a partially enlarged view of a portion B of the reinforcing bar pre-bending and sizing device 100 shown in fig. 1, the rotating member 50 has a second end 53 opposite to the first end 51 in the axial direction, the second end 53 is provided with a plug hole 54, one end of the transmission shaft 71 is movably inserted into the plug hole 54, the transmission shaft 71 is provided with a locking protrusion 712, a hole wall of the plug hole 54 is provided with a strip-shaped groove 55, and the locking protrusion 712 is locked in the strip-shaped groove 55. When rotating member 50 moved axially relative to drive shaft 71, the locking protrusion 712 would move in the strip-shaped groove 55, and when the drive shaft 71 rotated under the action of the drive shaft 411, the locking protrusion 712 and the groove wall of the strip-shaped groove 55 engaged with each other to perform circumferential limiting, and the drive shaft 71 would drive the rotating member 50 to rotate.

In some embodiments, referring to fig. 3 and 4, fig. 4 is a schematic view of the connection between the rotating element 50 and the first winding element 42a shown in fig. 1, and the first winding element 42a is provided with a receiving groove 423, and a notch of the receiving groove 423 faces away from the rotation axis Z. The rotating member 50 is located in the receiving groove 423, the notch is further away from the rotating axis Z than the first end 51, the outer peripheral wall of the rotating member 50 forms a rotating fit with the inner peripheral wall of the receiving groove 423, and the opposite ends of the engaging groove 52 penetrate through the outer peripheral wall of the rotating member 50.

Opposite ends of the slot 52 extend through the outer peripheral wall of the rotatable member 50 to facilitate engagement of the ends 210 of the reinforcing bars 200 into the slot 52 by the urging mechanism 60. When two tip 210 cards of reinforcing bar 200 are gone into in the draw-in groove 52, through the rotation of rotating 50 with two tip 210 twines of reinforcing bar 200 in-process together, two tip 210 of reinforcing bar 200 also are located holding tank 423, holding tank 423 plays limiting displacement, guarantee that reinforcing bar 200 can not break away from wind device 40, treat that each winding 42 removes certain distance to the direction that is close to axis of rotation Z, two tip 210 of reinforcing bar 200 will break away from holding tank 423, the ring muscle 220 of being convenient for falls.

Illustratively, the width of the slot 52 matches the diameter of the cross-section of the rebar 200. An annular limiting portion 4231 is arranged on the groove wall of the accommodating groove 423, an annular concave portion 56 is arranged on the outer peripheral wall of the rotating member 50, and the annular limiting portion 4231 is clamped in the annular concave portion 56, so that circumferential rotation of the rotating member 50 and axial locking of the rotating member 50 and the first winding member 42a are achieved.

In some embodiments, with continued reference to fig. 1, the pushing mechanism 60 includes a pressing piece 61 and a linear driving member 62. The linear driving unit 62 is connected to the frame 10, the pressing piece 61 is connected to an output end of the linear driving unit 62, and the linear driving unit 62 is configured to drive the pressing piece 61 to reciprocate along the axial direction of the rotation member 50 while being aligned with the rotation member 50.

The two ends 210 of the reinforcing steel bar 200 can be bent and pressed into the clamping grooves 52 by driving the pressing block 61 to move linearly through the linear driving part 62, and the pushing mechanism 60 with the structure is simple in structure and easy to implement. In addition, the distance between the pressing block 61 and the first winding member 42a can be adjusted by the linear driving member 62, so that the pressing block 61 can block the reinforcing steel bar 200 in the process that the rotating base 20 drives the winding device 40 to rotate and wind the reinforcing steel bar 200, and the straight reinforcing steel bar 200 can be gradually bent onto the winding device 40.

The linear drive member 62 may be a hydraulic cylinder, an electric ram, or the like.

Optionally, as shown in fig. 3, a groove 121 for accommodating the pressing block 61 is formed in the rack 10, the linear driving component 62 can drive the pressing block 61 to return to the groove 121, in the process that the rotating base 20 drives the winding device 40 to rotate and wind the steel bar 200, the steel bar 200 applies a thrust to the pressing block 61, and the groove 121 can limit the pressing block 61, so that the linear driving component 62 is prevented from being damaged due to a large overturning moment.

Optionally, one end of the pressing block 61 away from the linear driving member 62 is provided with a limiting groove 611 into which the reinforcing steel bar 200 is clamped.

Illustratively, the linear drive unit 62 is mounted on the support leg 12 of the frame 10, and the groove 121 is formed on the support leg 12.

Referring to fig. 5, 6 and 7, fig. 5 is a schematic view illustrating a pressing block 61 bending two end portions 210 of a reinforcing bar 200 according to some embodiments of the present disclosure, fig. 6 is a schematic view illustrating a structure of the reinforcing bar 200 (two end portions 210 are in a bent state) according to some embodiments of the present disclosure, and fig. 7 is a schematic view illustrating a structure of a loop bar 220 according to some embodiments of the present disclosure. During winding, one end of the straight steel bar 200 may be inserted into the accommodating groove 423, and the steel bar 200 abuts against the pressing block 61 along with the rotation of the winding device 40, so that the steel bar 200 is gradually bent and wound on the winding device 40. After the reinforcing steel bar 200 is wound on the winding device 40, as shown in fig. 5, the pressing block 61 can be driven by the linear driving component 62 to move into the accommodating groove 423, so that the pressing block 61 bends the two end portions 210 of the reinforcing steel bar 200 and presses the two end portions into the clamping grooves 52; as shown in fig. 6, when the two ends 210 of the reinforcing bar 200 wound on the winding device 40 are spaced apart from each other, the driving shaft 411 is driven to rotate by the power element 413, so as to drive the winding member 42 to move in the direction close to the rotation axis Z, and the driving shaft 411 drives the rotation member 50 to rotate, as shown in fig. 7, so as to finally wind the two ends 210 of the reinforcing bar 200 together to form the loop bar 220.

The above embodiments are merely for illustrating the technical solutions of the present application and are not intended to limit the present application, and those skilled in the art can make various modifications and variations of the present application. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a steel reinforcement cage reinforcing bar preflex setting device which characterized in that includes:

a frame;

the rotating seat is rotatably arranged on the rack;

the driving device is connected to the rotating seat and the rack and is used for driving the rotating seat to rotate around a rotating axis;

the winding device is used for winding the reinforcing steel bars and comprises a driving mechanism and a plurality of winding pieces which are circumferentially distributed on the rotating seat at intervals by taking the rotating axis as a center, the driving mechanism is connected with the winding pieces and the rotating seat, and the driving mechanism is used for driving the winding pieces to move towards the direction close to or away from the rotating axis so as to reduce or increase the winding radius of the reinforcing steel bars wound by the winding device; wherein the plurality of windings comprises a first winding;

the rotating piece is axially locked and is circumferentially and rotatably arranged on the first winding piece, the rotating piece is provided with a first end deviating from the rotating axis in the axial direction, and the first end is provided with a clamping groove; and

the pushing mechanism is connected to the rack and located outside the winding device, and used for applying thrust to the steel bars wound on the winding device along the direction close to the rotating axis so as to bend the two end parts of the steel bars and clamp the two end parts into the clamping grooves;

the rotating part is in transmission connection with the driving mechanism, so that the rotating part rotates when the driving mechanism drives the winding part to move towards the direction close to the rotating axis, and the two ends of the reinforcing steel bar are wound together.

2. The pre-bending and shaping device for reinforcement cages of claim 1, wherein the driving mechanism comprises a driving shaft, a first transmission mechanism and a power element;

the driving shaft is rotatably arranged on the rotating seat, the axis of the driving shaft is overlapped with the rotating axis, and the rotating part is in transmission connection with the driving shaft;

the plurality of winding pieces are in transmission connection with the driving shaft through the first transmission mechanism;

the power element is connected to the driving shaft and the rotating seat, and the power element is used for driving the driving shaft to rotate, so that the driving shaft drives the rotating piece when the winding piece is driven by the driving shaft through the first transmission mechanism to move towards the direction close to the rotating axis.

3. The reinforcement cage reinforcement pre-bending and sizing device according to claim 2, wherein the first transmission mechanism comprises two first transmission assemblies arranged at intervals along the extension direction of the rotation axis;

the first transmission assembly comprises a shaft sleeve and a plurality of connecting rods circumferentially arranged on the shaft sleeve, the connecting rods correspond to the winding pieces one by one, one ends of the connecting rods are hinged to the shaft sleeve, the other ends of the connecting rods are hinged to the winding pieces, and the shaft sleeve is in threaded connection with the driving shaft;

the driving shaft is used for driving the shaft sleeve to move along the driving shaft when rotating under the action of the power element, so that the connecting rod drives the winding piece to move towards or away from the rotating axis in a posture parallel to the rotating axis.

4. The pre-bending and sizing device for the reinforcement cage of the claim 3, wherein the driving shaft comprises two spiral parts with opposite spiral directions, and the shaft sleeve of each first transmission assembly is in threaded connection with one spiral part.

5. The pre-bending and shaping device for the reinforcement cage of the steel bar according to claim 3, wherein the rotating base comprises a top base, a bottom base and a connecting piece;

the top seat is rotatably connected to the frame around the rotating axis;

the base and the top seat are arranged at intervals along the extending direction of the rotating axis;

the top end of the connecting piece is fixedly connected with the top seat, and the bottom end of the connecting piece is fixedly connected with the base;

the top end of the winding piece is connected with the top seat in a sliding mode, and the bottom end of the winding piece is connected with the base in a sliding mode.

6. The pre-bending and shaping device for the reinforcement cage of the steel bar according to claim 5, wherein the connecting member is a guide rod, and the sleeve is slidably connected with the guide rod.

7. The pre-bending and shaping device for reinforcement bars of a reinforcement cage according to claim 5, wherein the winding member comprises a connecting portion and a winding portion extending along the extending direction of the rotation axis, the winding portion has an outer surface for contacting the reinforcement bars, one end of the connecting portion is connected to one end of the winding portion, one end of the winding portion away from the connecting portion is slidably connected to the top seat, one end of the connecting portion away from the winding portion is connected to the base, and the connecting portion is bent relative to the winding portion in a direction close to the rotation axis, so that one end of the connecting portion connected to the winding portion is farther away from the rotation axis than one end of the connecting portion slidably connected to the base;

the winding member has a first limit position and a second limit position, and the second limit position can be reached when the winding member moves from the first limit position to the direction close to the rotation axis;

when the winding piece is located at the second limit position, the projection of the base along the extension direction of the rotating axis is located in a circle where the outer surface is located, and the circle takes the rotating axis as a center.

8. The pre-bending and shaping device for the reinforcement cage according to any one of claims 2 to 7, wherein the rotating member is in transmission connection with the driving shaft through a second transmission mechanism;

the second transmission mechanism comprises a transmission shaft and a second transmission assembly, the transmission shaft is perpendicular to the driving shaft, the transmission shaft is axially locked and is circumferentially and rotatably arranged on the rotating seat, and the transmission shaft is in transmission connection with the driving shaft through the second transmission assembly;

the rotating piece is circumferentially locked and axially movably arranged on the transmission shaft.

9. The pre-bending and shaping device for the steel bars of the steel reinforcement cage of any one of claims 1 to 7, wherein the first winding member is provided with a receiving groove, and a notch of the receiving groove faces away from the rotation axis;

the rotation piece is located in the holding tank, the notch is more than first end is farther away from the axis of rotation, the periphery wall of rotation piece with the internal perisporium of holding tank forms normal running fit, the both ends that the draw-in groove is relative run through the periphery wall of rotation piece.

10. The pre-bending and sizing device for the steel bars of the steel reinforcement cage according to any one of claims 1 to 7, wherein the pushing mechanism comprises a pressing block and a linear driving part;

the linear driving part is connected to the rack, the pressing block is connected to the output end of the linear driving part, and the linear driving part is used for driving the pressing block to move back and forth along the axial direction of the rotating part when the pressing block is aligned with the rotating part.

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