CN216441910U - U shaped steel muscle upset positioner - Google Patents

Abstract

The utility model discloses a U-shaped steel bar overturning and positioning device which comprises an underframe, a transmission assembly, an overturning plate assembly and a positioning assembly, wherein the transmission assembly is installed on one side of the underframe and is in transmission connection with the overturning plate assembly, the positioning assembly is installed in the overturning plate assembly, and a main steel bar is centered, positioned and clamped through matching in the positioning assembly. The automatic centering, positioning and clamping of the whole main reinforcement is realized, the full-automatic production capacity is realized by semi-automating the main reinforcements with various specifications or matching with other automatic carrying and feeding equipment, the labor intensity and the number of workers can be greatly reduced, the labor cost of enterprises is favorably reduced, the workers are liberated from heavy physical labor, the production efficiency and the safety coefficient are also greatly improved, and the accurate positioning of the U-shaped reinforcements on an automatic production line can be realized.

Description

U shaped steel muscle upset positioner

Technical Field

The utility model relates to the technical field of construction steel bar welding equipment, in particular to a U-shaped steel bar overturning and positioning device.

Background

The reinforcement cage is used as a framework of a building, consists of stirrups and main reinforcements, plays a main role in bearing force, and has huge use amount in the building process, and the concrete has high compressive strength but very low tensile strength. The pile body concrete is restrained, so that the pile body concrete can bear certain axial tension.

At present, a steel reinforcement cage is mainly processed by adopting a steel wire binding or welding process, specifically, a main reinforcement and a stirrup are nested and assembled by a worker and are moved and positioned, and then welding equipment is operated or the steel wire binding is carried out to connect the stirrup and a longitudinal reinforcement into a whole. In most of the existing building engineering, a reinforcement cage is always manually wound, bound or welded after being bent and rounded. The reinforcement cage manufactured manually has uneven space, is loose and collapsed, is easy to deform, influences the engineering quality, simultaneously needs a large amount of manpower and has high processing cost; and the steel reinforcement cage specification that needs on the building site differs, and artifical transport is wasted time and energy, and work efficiency is low, and produces the potential safety hazard easily.

Along with the intelligent flourishing development of building, former steel reinforcement cage manufacture craft can't satisfy the demand of society to steel reinforcement cage machining efficiency, and in order to realize steel reinforcement cage automated production, has evolved the main muscle that changes into U shaped steel bar by original two reinforcing bars among the prior art, needs fix a position and carry before U shaped steel bar is nested the equipment, and how to carry out the accurate positioning with U shaped steel bar on automation line is a difficult problem that needs to overcome among the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a U-shaped steel bar overturning and positioning device which comprises a bottom frame, a transmission assembly, an overturning plate assembly and a positioning assembly, wherein the transmission assembly is installed on one side of the bottom frame and is in transmission connection with the overturning plate assembly, the positioning assembly is installed in the overturning plate assembly, and the positioning assembly is used for centering, positioning and clamping a main bar.

Preferably, the positioning assembly comprises a main baffle, an outward pushing transmission positioning assembly and a flexible pushing mechanism, the main baffle is relatively installed in the turnover plate assembly, the outward pushing transmission positioning assembly and the flexible pushing mechanism are fixedly installed on the main baffle, the outward pushing transmission positioning assembly comprises a servo motor, a transmission belt pulley set, an outward pushing block and a screw rod assembly, a servo motor is fixedly installed at one end of the main baffle, the transmission belt pulley set is driven by the servo motor to perform transmission, the transmission belt pulley set is in transmission connection with the screw rod assembly, the screw rod assemblies are in multiple groups and penetrate through the main baffle, two ends of the screw rod assembly are fixed with the main baffle, and the outward pushing block is further fixedly installed on the outer side of the main baffle; the flexible pushing mechanism comprises an inner pushing block, a pushing device and a guide rod, a first mounting hole is formed in the upper end of the inner pushing block, the pushing device penetrates through the first mounting hole and is movably contacted with the first mounting hole, the guide shaft is sleeved with a spring, one end of the spring abuts against the inner pushing block, the other end of the spring abuts against one end of the guide shaft, one end of the guide shaft is provided with an insertion hole, and an input shaft of the pushing cylinder is inserted into the insertion hole and is fixedly connected with the insertion hole; two second mounting holes are formed in the middle of the inner pushing block, guide rods penetrate through the second mounting holes, and one ends of the guide rods penetrate through the outer pushing block and are fixed on the outer pushing block.

Preferably, the upset board subassembly includes upset support body, mounting panel and supporting component, transmission assembly output and the fixed connection of upset support body one end, the mounting panel has set firmly on the upset support body, mounting panel one end is stretched out the upset support body, the mounting panel stretches out the bottom and the supporting component rotatable coupling of upset support body one end, upset support body other end movable mounting has the inductor subassembly.

Preferably, the inductor subassembly includes first installation pole, fixed plate, upset inductor, head rod, second connecting rod, response piece and response pivot, first installation pole with chassis fixed connection, fixed mounting has the fixed plate on the first installation pole, install the upset inductor on the fixed plate, upset inductor top is equipped with the head rod, vertically be provided with a response piece on the head rod, head rod upper end and second connecting rod fixed connection, transversely be provided with two response pieces on the second connecting rod, second connecting rod one end and response pivot fixed connection, the response pivot is worn to establish first installation pole upper end and is stretched into in the roll-over stand body, the response pivot with roll-over stand body rotatable coupling.

Preferably, the supporting component comprises a supporting rod, an installation block and a movable rod, the lower end of the supporting rod is fixedly connected with the bottom frame, the installation block is fixedly arranged at the upper end of the supporting rod, one side of the installation block is rotatably connected with the middle of the movable rod, and the upper end of the movable rod is fixedly connected with the bottom of the installation plate.

Preferably, the lead screw subassembly includes positive and negative lead screw and lead screw kicking block, two relative main baffles that set up are worn to establish by positive and negative lead screw, the positive and negative lead screw both ends are stretched out the lead screw kicking block is installed to the part of main baffle.

Preferably, the transmission belt pulley assembly comprises a first belt pulley set and a second belt pulley set, the first belt pulley set and the second belt pulley set are respectively installed on two sides of the screw rod assembly, and one ends of the first belt pulley set and one ends of the second belt pulley set are used for power transmission through the same screw rod assembly.

Preferably, locating component still includes main muscle and returns zero positioning mechanism, main muscle returns zero positioning mechanism set firmly in on the upset board subassembly, main muscle returns zero positioning mechanism including returning zero cylinder, returning zero baffle, side locating plate, mounting groove and location inductor, mounting panel both sides fixed mounting has the cylinder of returning zero respectively, the output shaft that returns zero cylinder with return zero baffle fixed connection, side locating plate bottom with mounting panel fixed connection, the mounting groove has been seted up on the side locating plate, wear to be equipped with the location inductor in the mounting groove, just the location inductor with mounting groove fixed connection.

Preferably, the upper side and the lateral part of the zero-returning cylinder are provided with a zero-returning cylinder groove, a zero-returning cylinder inductor is connected in the zero-returning cylinder groove in a sliding manner, and a fixing part for fixing the zero-returning cylinder inductor is further arranged in the zero-returning cylinder groove.

Preferably, the transmission assembly comprises a speed reduction motor and a coupler, the output end of the speed reduction motor is fixedly connected with the turnover frame body through the coupler, and the transmission assembly can drive the turnover plate assembly to rotate 0-90 degrees towards the left side and the right side respectively.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the flexible pushing mechanism is simple in structure, the pushing transmission positioning assembly and the flexible pushing mechanism are matched, specifically, the lead screw assembly drives the pushing block to move from outside to inside and approach, meanwhile, the pushing cylinder pushes the inner pushing block to be pushed out from inside to outside along the moving direction of the guide rod, the outer pushing block and the inner pushing block realize relative approach, the integral thrust of the pushing block is larger than that of the inner pushing block, and the main rib is ensured not to be pushed to deform by the inner pushing block, so that the main rib is positioned and clamped;

(2) according to the utility model, the flexible pushing mechanism is arranged, when the flexible pushing mechanism works, the pushing of the pushing cylinder pushes the inner pushing block to do reciprocating motion, the spring plays a role in buffering rigid collision between the rod plug of the pushing cylinder and two ends of the pushing cylinder in the process, the pushing cylinder is protected from being damaged easily, the automatic taking and placing of the main ribs are assisted, the working process is smooth, and the working efficiency is not influenced;

(3) according to the utility model, by arranging the main rib zero-returning positioning mechanism, when the main rib is conveyed to the turnover frame body and pushed out of the zero-returning baffle plate connected with the zero-returning cylinder, the orientation of the main rib can be further corrected by the side positioning plates at two sides, then the zero-returning cylinder is inflated and retracted to drive the main rib to return to the zero point, the effect of positioning the main rib to a fixed position is achieved, and no error is generated in the placing position;

(4) compared with the traditional production operation mode in which workers completely manually operate, the automatic centering, positioning and clamping of the whole main reinforcement is realized, the semi-automatic centering, positioning and clamping device has the semi-automatic main reinforcement with various specifications or is matched with other automatic carrying and feeding equipment to realize the full-automatic production capacity, the labor intensity of the workers and the number of the workers can be greatly reduced, the labor cost of enterprises can be reduced, the workers are relieved from heavy physical labor, the production efficiency and the safety coefficient are greatly improved, and the accurate positioning of the U-shaped steel reinforcements on an automatic production line can be realized.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a front view of the positioning set of the present invention.

Fig. 3 is a rear view of the positioning assembly of the present invention.

Fig. 4 is a schematic structural view of the turnover frame body and the positioning assembly of the present invention.

FIG. 5 is an enlarged partial view of the lead screw assembly of the present invention.

Fig. 6 is a schematic structural diagram of the flexible pushing mechanism of the present invention.

Fig. 7 is a cross-sectional view of fig. 6 of the present invention.

Fig. 8 is a schematic view of the spring compression structure of the flexible pushing mechanism of the present invention.

FIG. 9 is a rear view of the flexible pushing mechanism of the utility model.

Fig. 10 is a schematic view of the flipping panel assembly of the present invention flipped 90 ° to the left.

Fig. 11 is a front view of the present invention.

Fig. 12 is a schematic structural diagram of an inductor assembly according to the present invention.

Fig. 13 is a schematic structural view of the zero-returning baffle plate and the zero-returning cylinder during pushing-out according to the present invention.

FIG. 14 is a schematic structural view of the zeroing cylinder and the zeroing baffle of the present invention when retracted.

Fig. 15 is a partial enlarged view of the main bar zero-return positioning mechanism of the present invention.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description.

As shown in fig. 1 to 15, a U-shaped reinforcement overturning positioning device includes a chassis 1, a transmission assembly 2, a speed reducing motor 201, a coupler 202, an overturning plate assembly 3, an overturning frame body 301, a mounting plate 302, a support assembly 303, a support rod 3031, a mounting block 3032, a movable rod 3033, a sensor assembly 304, a first mounting rod 3041, a fixing plate 3042, an overturning sensor 3043, a first connecting rod 3044, a second connecting rod 3045, a sensing sheet 3046, a sensing rotating shaft 3047, a positioning assembly 4, a main baffle 401, a servo motor 402, an outer pushing block 414, a screw assembly 403, a positive and negative screw 1, a screw support block 4032, an inner pushing block 404, a guide rod 405, a first mounting hole 406, a guide shaft 407, a spring 408, a pushing cylinder 409, a second mounting hole 410, a first belt pulley group 411, a second belt pulley group 412, a main reinforcement zero return positioning mechanism 413, a zero return cylinder 4131, a zero return baffle 4132, a side positioning plate 4133, The device comprises a mounting groove 4134, a positioning sensor 4135, a zero returning cylinder groove 4136, a zero returning cylinder sensor 4137, a fixing piece 4138, a mounting block 4139, a fixing nut 5, a linear bearing 6, an annular boss 7, a support rod 8, a mounting block 9 and a movable rod 10.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 9, a transmission assembly 2 is installed on one side of a bottom frame 1, the transmission assembly 2 is in transmission connection with a turnover plate assembly 3, a positioning assembly 4 is installed in the turnover plate assembly 3, and the positioning assembly 4 can be matched with a main rib to be centered and positioned and clamped.

As shown in fig. 2 to 3, the positioning assembly 4 includes a main baffle 401, an outward pushing positioning assembly and a flexible pushing mechanism, the main baffle 401 is relatively installed in the flipping board assembly 3, the outward pushing positioning assembly and the flexible pushing mechanism are fixedly installed on the main baffle 401, the outward pushing positioning assembly includes a servo motor 402, a transmission pulley set, an outward pushing block 414 and a screw rod assembly 403, one end of the main baffle 401 is fixedly installed with the servo motor 402, the transmission pulley set is driven by the servo motor 402 and is in transmission connection with the screw rod assembly 403, the screw rod assembly 403 is in multiple sets and penetrates through the main baffle 401, and both ends of the screw component 403 are fixed with the main baffle 401, an outer pushing block 414 is further fixedly mounted on the outer side of the main baffle 401, and the screw component 403 can drive the main baffle 401 to move relatively in the moving process, so that the outer pushing block 414 on the main baffle 401 also moves synchronously.

As shown in fig. 5, the screw assembly 403 includes a positive and negative screw 4031 and a screw supporting block 4032, the positive and negative screw 4031 penetrates through two main baffles 401 arranged oppositely, and the screw supporting block 4032 is installed on a portion of two ends of the positive and negative screw 4031 extending out of the main baffles 401.

The driving pulley assembly includes a first pulley set 411 and a second pulley set 412, the first pulley set 411 and the second pulley set 412 are respectively installed on two sides of the screw assembly 403, and one end of the first pulley set 411 and one end of the second pulley set 412 transmit power through the same set of screw assembly 403.

The flexible pushing mechanism comprises an inner pushing block 404, a pushing device and a guide rod 405, the inner pushing block 404 is arranged in a T shape, a first mounting hole 406 is formed in the upper end of the inner pushing block 404, the pushing device penetrates through the first mounting hole 406, the pushing device comprises a guide shaft 407, the spring 408 and the pushing cylinder 409, the guide shaft 407 penetrates through the first mounting hole 406 and is in movable contact with the first mounting hole 406, the spring 408 is sleeved on the guide shaft 407, an annular boss 7 is arranged at one end of the guide shaft 407, one end of the spring 408 abuts against the annular boss 7 to stabilize the movement track of the spring 408, one end of the spring 408 abuts against the inner pushing block 404 and the other end abuts against one end of the guide shaft 407, the diameter of the first mounting hole 406 is smaller than the inner diameter of the spring 4, the outer diameter of the spring 408 is smaller than the diameter of the annular boss 7, the spring 408 is fixed between the inner pushing block 404 and the guide shaft 407, and it is ensured that the guide shaft 407 can move on the movement track of the spring 408 and the guide shaft 407 cannot fly out of the first mounting hole 406.

One end of the guide shaft 407 is provided with a jack, an input shaft of the pushing cylinder 409 is inserted into the jack and fixedly connected with the jack, an output shaft of the pushing cylinder 409 is provided with threads, and a fixing nut 5 is arranged at the joint of the output shaft of the pushing cylinder 409 and the guide shaft 407; two second mounting holes 410 are formed in the middle of the inner pushing block 404, the two second mounting holes 410 are formed on the same central axis, a linear bearing 6 is mounted in the second mounting hole 410, the inner pushing block 404 and the guide rod 405 are movably connected through the linear bearing 6, one end of the guide rod 405 penetrates through the outer pushing block 414 and is fixed on the outer pushing block 414,

the working principle of the flexible pushing mechanism is as follows: after the production line starts, the inner pushing block 404 is pushed to reciprocate under the pushing of the pushing cylinder 409, the spring 408 plays a role in buffering the hard collision between the rod plug of the pushing cylinder 409 and the two ends of the pushing cylinder 409 in the process, the pushing cylinder 409 is protected from being damaged easily, and the main rib is taken and placed automatically in an auxiliary mode, so that the working process is smooth, and the working efficiency is not influenced.

The turnover plate component 3 comprises a turnover frame body 301, a mounting plate 302 and a supporting component 303, the output end of the transmission component 2 is fixedly connected with one end of the turnover frame body 301, the mounting plate 302 is fixedly arranged on the turnover frame body 301, one end of the mounting plate 302 extends out of the turnover frame body 301, the bottom of one end of the turnover frame body 301 extending out of the mounting plate 302 is rotatably connected with the supporting component 303, and an inductor component 304 is movably arranged at the other end of the turnover frame body 301.

As shown in fig. 12, the sensor assembly 304 includes a first mounting rod 3041, a fixing plate 3042, a turning sensor 3043, a first connecting rod 3044, a second connecting rod 3045, a sensing plate 3046 and a sensing rotating shaft 3047, the first mounting rod 3041 is fixedly connected to the chassis 1, the fixing plate 3042 is fixedly mounted on the first mounting rod 3041, the turning sensor 3043 is mounted on the fixing plate 3042, the first connecting rod 3044 is disposed above the turning sensor 3043, the sensing plate 3046 is longitudinally disposed on the first connecting rod 3044, the upper end of the first connecting rod 3044 is fixedly connected to the second connecting rod 3045, the second connecting rod 3045 is transversely provided with two sensing plates 3046, one end of the second connecting rod 3045 is fixedly connected to the sensing rotating shaft 3047, the sensing rotating shaft 3047 penetrates the upper end of the first mounting rod 3041 and extends into the turning frame body 301, and the sensing rotating shaft 3047 is rotatably connected to the turning frame body 301

As shown in fig. 10 to 11, the support assembly 303 includes a support rod 3031, a mounting block 3032 and a movable rod 3033, the lower end of the support rod 3031 is fixedly connected to the chassis 1, the upper end of the support rod 3031 is fixedly provided with the mounting block 3032, one side of the mounting block 3032 is rotatably connected to the middle of the movable rod 3033, and the upper end of the movable rod 3033 is fixedly connected to the bottom of the mounting plate 302.

As shown in fig. 13 to 15, the positioning assembly 4 further includes a main rib zero-returning positioning mechanism 413, the main rib zero-returning positioning mechanism 413 is fixedly disposed on the flipping plate assembly 3, the main rib zero-returning positioning mechanism 413 includes a zero-returning cylinder 4131, a zero-returning baffle 4132, a side positioning plate 4133, a mounting groove 4134 and a positioning sensor 4135, the two sides of the mounting plate 302 are respectively and fixedly mounted with a zero-returning cylinder 4131, an output shaft of the zero-returning cylinder 4131 is fixedly connected with the zero-returning baffle 4132, a bottom of the side positioning plate 4133 is fixedly connected with the mounting plate 302, the side positioning plate 4133 is provided with a mounting groove 4134, the mounting groove 4134 is provided with the positioning sensor 4135, the positioning sensor 4135 is fixedly connected with the mounting groove 4134, the upper side and the side of the zero-returning cylinder 4131 are provided with zero-returning cylinder grooves 4136, the zero-returning cylinder sensor 4137 is slidably connected with the zero-returning cylinder grooves 4136, the fixing members for fixing the zero-returning cylinder sensor 4137 are further disposed in the zero cylinder grooves 4136, the zero-returning cylinder sensor 4135 can be adjusted to a proper position in the zero-returning cylinder groove 4136, and then the zero-returning cylinder sensor 4135 is fixed by the fixing member 4138, and the zero-returning cylinder sensor 4135 is used for sensing whether the zero-returning cylinder 4131 extends or retracts, and judging whether the zero-returning working state is zero or not.

The transmission assembly 2 comprises a speed reducing motor 201 and a coupler 202, the output end of the speed reducing motor 201 is fixedly connected with the turnover frame body 301 through the coupler 202, and the transmission assembly 2 can drive the turnover plate assembly 3 to rotate 0-90 degrees towards the left side and the right side respectively.

The working principle of the utility model is as follows: when the main rib is conveyed to the overturning assembly 3, the U-shaped opening part abuts against the zero returning baffle 4132, the zero returning baffle 4132 connected with the zero returning cylinder 4131 is pushed out of the zero crossing point, the side positioning plates 4133 on the two sides can further correct the orientation of the main rib, and then the zero returning cylinder 4131 is inflated and retracted to drive the main rib to return to the zero point, so that the end parts of the main rib are aligned; simultaneously, the outward pushing transmission positioning assembly and the flexible pushing mechanism both start to work, specifically, the lead screw assembly 403 drives the outward pushing block 414 to move close from outside to inside, meanwhile, the pushing cylinder 409 pushes the inward pushing block 404 to push the inward pushing block 404 outward along the moving direction of the guide rod 405, the outward pushing block 414 and the inward pushing block 404 are relatively close, the overall pushing force of the outward pushing block 414 is larger than that of the inward pushing block 404, it is ensured that the main rib is not pushed to deform by the inward pushing block 404, so that the main rib is positioned and clamped, finally, the transmission assembly 2 drives the turnover plate assembly 3 to move, specifically, when the turnover frame body 301 rotates to a position preset for induction by the inductor assembly 304, the speed reduction motor 201 stops running, the whole turnover assembly is turned over for 90 degrees (leftwards or rightwards), two states that the main rib is vertically placed are achieved, and the main rib is waited to be taken down in the next step.

Compared with the traditional production operation mode that workers completely manually operate, the automatic centering, positioning and clamping device has the advantages that the automatic centering, positioning and clamping are realized for the whole main reinforcement, the semi-automation of the main reinforcements with various specifications is realized, or the full-automation production capacity is realized by matching with other automatic carrying and feeding equipment, the labor intensity of the workers and the number of the workers can be greatly reduced, the labor cost of enterprises is favorably reduced, the workers are released from heavy physical labor, the production efficiency and the safety coefficient are greatly improved, and the accurate positioning of the U-shaped reinforcement on an automatic production line can be realized.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention are still included in the scope of the present invention.

Claims (10)

1. The utility model provides a U shaped steel muscle positioner that overturns which characterized in that: including chassis (1), transmission assembly (2), returning face plate subassembly (3) and locating component (4), transmission assembly (2) are installed to chassis (1) one side, transmission assembly (2) are connected with returning face plate subassembly (3) transmission, install locating component (4) in returning face plate subassembly (3), locating component (4) divide the main muscle to fix a position and press from both sides tightly.

2. The U-shaped reinforcement overturn positioning device of claim 1, which is characterized in that: the positioning component (4) comprises a main baffle (401), an outward pushing transmission positioning component and a flexible pushing mechanism, the main baffle (401) is relatively arranged in the turnover plate component (3), an outward pushing transmission positioning component and a flexible pushing mechanism are fixedly arranged on the main baffle (401), the extrapolation transmission positioning component comprises a servo motor (402), a transmission belt pulley group, an extrapolation block (414) and a lead screw component (403), one end of the main baffle (401) is fixedly provided with a servo motor (402), the servo motor (402) drives a transmission belt pulley group to transmit, the transmission belt pulley sets are in transmission connection with the lead screw components (403), the lead screw components (403) are in multiple groups and penetrate through the main baffle plate (401), two ends of the lead screw component (403) are fixed with the main baffle (401), and an outer pushing block (414) is fixedly arranged on the outer side of the main baffle (401); the flexible pushing mechanism comprises an inner pushing block (404), a pushing device and a guide rod (405), a first mounting hole (406) is formed in the upper end of the inner pushing block (404), the pushing device penetrates through the first mounting hole (406), the pushing device comprises a guide shaft (407), a spring (408) and a pushing cylinder (409), the guide shaft (407) penetrates through the first mounting hole (406) and is movably contacted with the first mounting hole (406), the guide shaft (407) is sleeved with the spring (408), one end of the spring (408) abuts against the inner pushing block (404), the other end of the spring (408) abuts against one end of the guide shaft (407), one end of the guide shaft (407) is provided with a jack, and an input shaft of the pushing cylinder (409) is inserted into the jack and is fixedly connected with the jack; two second mounting holes (410) are formed in the middle of the inner pushing block (404), a guide rod (405) penetrates through the second mounting holes (410), and one end of the guide rod (405) penetrates through the outer pushing block (414) and is fixed on the outer pushing block (414).

3. The U-shaped reinforcement overturn positioning device of claim 1, which is characterized in that: upset board subassembly (3) are including upset support body (301), mounting panel (302) and supporting component (303), transmission assembly (2) output and upset support body (301) one end fixed connection, mounting panel (302) have set firmly on upset support body (301), mounting panel (302) one end is stretched out upset support body (301), mounting panel (302) stretch out the bottom and supporting component (303) rotatable coupling of upset support body (301) one end, upset support body (301) other end movable mounting has inductor subassembly (304).

4. The U-shaped reinforcement overturn positioning device of claim 3, wherein: the sensor assembly (304) comprises a first mounting rod (3041), a fixing plate (3042), a turnover sensor (3043), a first connecting rod (3044), a second connecting rod (3045), a sensing sheet (3046) and a sensing rotating shaft (3047), wherein the first mounting rod (3041) is fixedly connected with the chassis (1), the fixing plate (3042) is fixedly mounted on the first mounting rod (3041), the turnover sensor (3043) is mounted on the fixing plate (3042), the first connecting rod (3044) is arranged above the turnover sensor (3043), the first connecting rod (3044) is longitudinally provided with a sensing sheet (3046), the upper end of the first connecting rod (3044) is fixedly connected with the second connecting rod (3045), the second connecting rod (3045) is transversely provided with the sensing sheet (3046), one ends of the two second connecting rods 3045 are fixedly connected with the sensing rotating shaft (3047), the sensing rotating shaft (3047) penetrates through the upper end of the first mounting rod (3041) and extends into the turnover frame body (301), and the sensing rotating shaft (3047) is rotatably connected with the turnover frame body (301).

5. The U-shaped reinforcement overturn positioning device of claim 3, wherein: the supporting assembly (303) comprises a supporting rod (3031), a mounting block (3032) and a movable rod (3033), the lower end of the supporting rod (3031) is fixedly connected with the underframe (1), the upper end of the supporting rod (3031) is fixedly provided with the mounting block (3032), one side of the mounting block (3032) is rotatably connected with the middle part of the movable rod (3033), and the upper end of the movable rod (3033) is fixedly connected with the bottom of the mounting plate (302).

6. The U-shaped reinforcement overturn positioning device of claim 2, wherein: lead screw subassembly (403) are including positive and negative lead screw (4031) and lead screw kickstand (4032), two main baffle (401) of relative setting are worn to establish in positive and negative lead screw (4031), stretch out in positive and negative lead screw (4031) both ends lead screw kickstand (4032) are installed to the part of main baffle (401).

7. A U-shaped reinforcing bar overturn positioning device as defined in claim 2 or 6, which is characterized in that: the transmission belt pulley assembly comprises a first belt pulley set (411) and a second belt pulley set (412), the first belt pulley set (411) and the second belt pulley set (412) are respectively installed on two sides of the screw rod assembly (403), and one ends of the first belt pulley set (411) and the second belt pulley set (412) are in power transmission through the same screw rod assembly (403).

8. The U-shaped reinforcement overturn positioning device of claim 3, wherein: the positioning assembly (4) further comprises a main rib zero returning positioning mechanism (413), the main rib zero returning positioning mechanism (413) is fixedly arranged on the turnover plate assembly (3), the main rib zero returning positioning mechanism (413) comprises a zero returning cylinder (4131), a zero returning baffle (4132), a side positioning plate (4133), a mounting groove (4134) and a positioning inductor (4135), the two sides of the mounting plate (302) are respectively and fixedly provided with the zero returning cylinder (4131), an output shaft of the zero returning cylinder (4131) is fixedly connected with the zero returning baffle (4132), the bottom of the side positioning plate (4133) is fixedly connected with the mounting plate (302), the side positioning plate (4133) is provided with the mounting groove (4134), the positioning inductor (4135) penetrates through the mounting groove (4134), and the positioning inductor (4135) is fixedly connected with the mounting groove (4134).

9. The U-shaped reinforcement inversion positioning device of claim 8, wherein: the upper side and the side part of the zero returning cylinder (4131) are provided with a zero returning cylinder groove (4136), a zero returning cylinder inductor (4137) is connected in the zero returning cylinder groove (4136) in a sliding manner, and a fixing part for fixing the zero returning cylinder inductor (4137) is further arranged in the zero returning cylinder groove (4136).

10. The U-shaped reinforcement overturn positioning device of claim 3, wherein: the transmission assembly (2) comprises a speed reducing motor (201) and a coupler (202), the output end of the speed reducing motor (201) is fixedly connected with the turnover frame body (301) through the coupler (202), and the transmission assembly (2) can drive the turnover plate assembly (3) to rotate 0-90 degrees towards the left side and the right side respectively.

Images