CN217798632U - Steel bar bending device for subway platform construction - Google Patents
Steel bar bending device for subway platform construction Download PDFInfo
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- CN217798632U CN217798632U CN202220828578.6U CN202220828578U CN217798632U CN 217798632 U CN217798632 U CN 217798632U CN 202220828578 U CN202220828578 U CN 202220828578U CN 217798632 U CN217798632 U CN 217798632U
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Abstract
The utility model relates to the technical field of machining, in particular to a steel bar bending device for subway platform construction, which comprises a box body and a bending mechanism; the bending mechanism comprises an electric cylinder, a rack, a gear and a bending rod; the side wall of the box body is fixedly connected with a supporting plate, and the electric cylinder is fixedly connected to the top of the supporting plate; the rack is fixedly connected to an output shaft of the electric cylinder, and the rack penetrates through and is connected to one side of the box body in a sliding manner; two gears are rotatably connected inside the box body, the two gears are meshed with each other, and the rack is meshed with the gears; the two bending rods are fixedly connected to the top of the gear; the top of the box body is symmetrically provided with two arc-shaped grooves; the bending rod penetrates through the arc-shaped groove and is in sliding fit with the arc-shaped groove; through setting up this mechanism, the convenience is bent simultaneously to the both ends of reinforcing bar, easy operation.
Description
Technical Field
The utility model relates to the technical field of machining, specifically a subway platform is reinforcing bar bending device for construction.
Background
The steel bar is a building material and widely applied to the construction of subway platforms, when the steel bar is used, the steel bar needs to be bent into a required shape, then the steel bar is bound at a specified position by an iron wire, and the steel bar is matched with concrete for use, so that the strength of a building can be improved.
A utility model patent with application number CN202021550270.7 discloses a reinforcing bar bending device, this kind of reinforcing bar bending device need fix the reinforcing bar between left ejector pad and right ejector pad earlier when using, then utilizes the slip bending wheel to bend the reinforcing bar.
However, the reinforcing steel bar bending device can only bend one end of the reinforcing steel bar at one time, and cannot simultaneously bend two ends of the reinforcing steel bar, when the other end of the reinforcing steel bar needs to be bent, the reinforcing steel bar needs to be taken down again, and then the reinforcing steel bar needs to be repositioned, so that the operation is complicated; therefore, a reinforcing steel bar bending device for subway platform construction is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to compensate the not enough of prior art, solve the comparatively loaded down with trivial details problem of current reinforcing bar bending device's operation, the utility model provides a reinforcing bar bending device is used in subway platform construction.
The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a steel bar bending device for subway platform construction, which comprises a box body and a bending mechanism; the bending mechanism comprises an electric cylinder, a rack, a gear and a bending rod; the side wall of the box body is fixedly connected with a supporting plate, and the electric cylinder is fixedly connected to the top of the supporting plate; the rack is fixedly connected to an output shaft of the electric cylinder, and the rack penetrates through and is connected to one side of the box body in a sliding manner; two gears are rotatably connected inside the box body, the two gears are meshed with each other, and the rack is meshed with the gears; the two bending rods are fixedly connected to the top of the gear; the top of the box body is symmetrically provided with two arc-shaped grooves; the bending rod penetrates through the arc-shaped groove and is in sliding fit with the arc-shaped groove; through setting up this mechanism, the convenience is bent simultaneously to the both ends of reinforcing bar, easy operation.
Preferably, a guide rod is fixedly connected inside the box body, a guide plate is fixedly connected to one side of the rack, and the guide rod penetrates through and is connected to the guide plate in a sliding manner; the moving direction of the rack is more accurate, and the rack moves more stably.
Preferably, the top of the box body is provided with a centering mechanism; the centering mechanism comprises a motor, a double-end screw and a strip-shaped plate; the top of the box body is fixedly connected with a shell; the motor is fixedly connected to the outer side wall of the shell; the double-end screw is fixedly connected to an output shaft of the motor, and the other end of the double-end screw is rotatably connected to the inner wall of the shell; the strip-shaped plates are sleeved at two ends of the double-head screw; two through grooves are symmetrically formed in one side of the shell; the strip-shaped plate penetrates through and is connected with the through groove in a sliding mode; the two bending rods are positioned between the two strip-shaped plates; the synchronous bending of the two ends of the reinforcing steel bar is conveniently realized.
Preferably, the top of the box body is fixedly connected with a positioning block, and the surface of the positioning block is provided with a positioning hole; the positioning block is positioned between the two arc-shaped grooves; has the function of primarily positioning the reinforcing steel bars.
Preferably, the top of the box body is symmetrically and fixedly connected with two supporting blocks, and the tops of the supporting blocks and the bottoms of the positioning holes are on the same horizontal plane; the bending effect on the reinforcing steel bars is improved.
Preferably, a groove is arranged above the positioning hole; a pressing block is connected in the groove in a sliding manner; two springs are symmetrically and fixedly connected to the top of the pressing block, and the top ends of the springs are fixedly connected to the top of the groove; the top of the positioning block penetrates through and is rotatably connected with a threaded rod, and the bottom end of the threaded rod is positioned at the top of the pressing block; the reinforcing steel bar can be fixed, so that the reinforcing steel bar cannot slide when being bent.
The utility model discloses an useful part lies in:
1. the utility model is provided with a box body and a bending mechanism, and the electric cylinder drives the rack to move, so that the two gears and the two bending rods also rotate in opposite directions, the bending rods slide along the arc-shaped grooves and extrude the reinforcing steel bars, and the bending of the reinforcing steel bars is realized; through setting up this mechanism, the convenience is bent simultaneously to the both ends of reinforcing bar, easy operation.
2. The utility model discloses set up centering mechanism, driven the double-end screw through the motor and rotated for the bar shaped plate at double-end screw both ends slides along leading to the groove, and produce the opposite direction motion, make the both ends of reinforcing bar respectively with the corresponding distance between the pole of bending equal, have the effect of automatic centering, conveniently realize bending to the synchronization at reinforcing bar both ends.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic top view partially in cross section according to a first embodiment;
FIG. 2 is a schematic top view partially in cross section according to the first embodiment;
FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a schematic view of a support block according to a first embodiment;
fig. 5 is a drawing of the second embodiment.
In the figure: 1. a box body; 2. an electric cylinder; 3. a rack; 4. a gear; 5. bending the rod; 6. a support plate; 7. a guide bar; 8. a guide plate; 9. a motor; 10. a double-ended screw; 11. a strip plate; 12. a housing; 13. positioning blocks; 14. a support block; 15. pressing into blocks; 16. a spring; 17. a threaded rod; 18. an arc-shaped slot; 19. positioning holes; 20. a groove; 21. and (4) a protective shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1-4, a steel bar bending device for subway platform construction includes a box body 1 and a bending mechanism; the bending mechanism comprises an electric cylinder 2, a rack 3, a gear 4 and a bending rod 5; a supporting plate 6 is fixedly connected to the side wall of the box body 1, and the electric cylinder 2 is fixedly connected to the top of the supporting plate 6; the rack 3 is fixedly connected to an output shaft of the electric cylinder 2, and the rack 3 penetrates through and is connected to one side of the box body 1 in a sliding manner; two gears 4 are rotatably connected inside the box body 1, the two gears 4 are meshed with each other, and the rack 3 is meshed with the gears 4; the two bending rods 5 are fixedly connected to the top of the gear 4; the top of the box body 1 is symmetrically provided with two arc-shaped grooves 18; the bending rod 5 penetrates through the arc-shaped groove 18 and is in sliding fit with the arc-shaped groove 18; when the bending machine works, a steel bar is placed at the top of the box body 1, then the electric cylinder 2 is started, the electric cylinder 2 drives the rack 3 to move forwards, the rack 3 drives the gear 4 to rotate, the two gears 4 rotate in opposite directions, the two bending rods 5 also rotate in opposite directions, the bending rods 5 slide along the arc-shaped grooves 18 and extrude the steel bar, and then the steel bar is bent; by the aid of the mechanism, two ends of the steel bar can be conveniently bent at the same time, and operation is simple; wherein the bending rod 5 is eccentrically connected to the top of the gear 4.
A guide rod 7 is fixedly connected inside the box body 1, a guide plate 8 is fixedly connected to one side of the rack 3, and the guide rod 7 penetrates through and is connected to the guide plate 8 in a sliding manner; during operation, when the electric cylinder 2 drives the rack 3 to move, the guide plate 8 slides along the guide rod 7, so that the moving direction of the rack 3 is more accurate, the rack 3 moves more stably, and the rack 3 and the gear 4 can move in a meshing manner.
The top of the box body 1 is provided with a centering mechanism; the centering mechanism comprises a motor 9, a double-end screw 10 and a strip-shaped plate 11; a shell 12 is fixedly connected to the top of the box body 1; the motor 9 is fixedly connected to the outer side wall of the shell 12; the double-end screw 10 is fixedly connected to an output shaft of the motor 9, and the other end of the double-end screw 10 is rotatably connected to the inner wall of the shell 12; the strip-shaped plates 11 are sleeved at two ends of the double-end screw 10; two through grooves are symmetrically formed in one side of the shell 12; the strip-shaped plate 11 penetrates through and is connected with the through groove in a sliding mode; the two bending rods 5 are positioned between the two strip-shaped plates 11; when the bending device works, the motor 9 is started, so that the motor 9 drives the double-headed screw 10 to rotate, the strip plates 11 at two ends of the double-headed screw 10 slide along the through groove and move oppositely, the distances between two ends of the reinforcing steel bar and the corresponding bending rods 5 are equal, and the synchronous bending of two ends of the reinforcing steel bar is conveniently realized; wherein the strip-shaped plate 11 is connected with the double-end screw 10 through a screw-nut pair.
A positioning block 13 is fixedly connected to the top of the box body 1, and a positioning hole 19 is formed in the surface of the positioning block 13; the positioning block 13 is positioned between the two arc-shaped grooves 18; the during operation, when placing the reinforcing bar, pass locating hole 19 with the reinforcing bar, realize having preliminary positioning steel's effect to the injecing of reinforcing bar position.
Two supporting blocks 14 are symmetrically and fixedly connected to the top of the box body 1, and the tops of the supporting blocks 14 and the bottoms of the positioning holes 19 are on the same horizontal plane; during operation, through setting up backup pad 6 for unsettled state can not appear at the both ends of reinforcing bar when bending, is favorable to improving the effect of bending to the reinforcing bar.
A groove 20 is arranged above the positioning hole 19; a pressing block 15 is connected in the groove 20 in a sliding manner; two springs 16 are symmetrically and fixedly connected to the top of the pressing block 15, and the top ends of the springs 16 are fixedly connected to the top of the groove 20; the top of the positioning block 13 is penetrated and rotatably connected with a threaded rod 17, and the bottom end of the threaded rod 17 is positioned at the top of the pressing block 15; when the automatic centering device works, after the steel bar is inserted into the positioning hole 19 and the centering mechanism automatically centers the steel bar, the threaded rod 17 is rotated to enable the threaded rod 17 to move downwards and extrude the pressing block 15, so that the pressing block 15 slides downwards and extrudes the steel bar, the steel bar is fixed, and the steel bar cannot slide when being bent; wherein the threaded rod 17 is not connected with the pressing block 15, and the threaded rod 17 is only contacted with the pressing block 15.
Example two
Referring to fig. 5, as another embodiment of the present invention, in a first comparative example, a protective shell 21 is fixedly connected to the housing 12 at one side where the motor 9 is located, and the motor 9 is located inside the protective shell 21; the during operation is through setting up protecting crust 21 for motor 9 is protected, can reduce the dust adhesion on the surface of motor 9, and then the dust can not get into motor 9 through the louvre of motor 9 shell inside, has better guard action to motor 9, and on the same hand, also can set up protecting crust 21 at the top of backup pad 6, makes electric jar 2 be located inside protecting crust 21.
The working principle is as follows: placing the reinforcing steel bars at the top of the box body 1, enabling the reinforcing steel bars to penetrate through the positioning holes 19 on the surface of the positioning block 13, then starting the motor 9, enabling the motor 9 to drive the double-headed screw 10 to rotate, enabling the strip-shaped plates 11 at two ends of the double-headed screw 10 to slide along the through grooves and to move oppositely, enabling the two ends of the reinforcing steel bars to be equal to the distances between the two corresponding bending rods 5 respectively, achieving automatic centering of the reinforcing steel bars, and conveniently achieving synchronous bending of the two ends of the reinforcing steel bars; then, rotating the threaded rod 17 to enable the threaded rod 17 to move downwards and extrude the pressing block 15, enabling the pressing block 15 to slide downwards and extrude the steel bar, fixing the steel bar is achieved, and the steel bar cannot slide when being bent; finally, the electric cylinder 2 is started, so that the electric cylinder 2 drives the rack 3 to move forwards, the rack 3 drives the gears 4 to rotate, the two gears 4 rotate in opposite directions, the two bending rods 5 also rotate in opposite directions, the bending rods 5 slide along the arc-shaped grooves 18 and extrude the reinforcing steel bars, and then the reinforcing steel bars are bent; when the electric cylinder 2 drives the rack 3 to move, the guide plate 8 slides along the guide rod 7, so that the moving direction of the rack 3 is more accurate, and the rack 3 moves more stably.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a subway platform is reinforcing bar bending device for construction which characterized in that: comprises a box body (1) and a bending mechanism; the bending mechanism comprises an electric cylinder (2), a rack (3), a gear (4) and a bending rod (5); a supporting plate (6) is fixedly connected to the side wall of the box body (1), and the electric cylinder (2) is fixedly connected to the top of the supporting plate (6); the rack (3) is fixedly connected to an output shaft of the electric cylinder (2), and the rack (3) penetrates through and is connected to one side of the box body (1) in a sliding manner; two gears (4) are rotatably connected inside the box body (1), the two gears (4) are meshed with each other, and the rack (3) and the gears (4) are meshed with each other; the two bending rods (5) are fixedly connected to the top of the gear (4); the top of the box body (1) is symmetrically provided with two arc-shaped grooves (18); the bending rod (5) penetrates through the arc-shaped groove (18) and is in sliding fit with the arc-shaped groove (18).
2. The steel bar bending device for subway platform construction according to claim 1, wherein: the inside rigid coupling of box (1) has guide arm (7), one side rigid coupling of rack (3) has deflector (8), guide arm (7) run through and sliding connection in deflector (8).
3. The steel bar bending device for subway platform construction as claimed in claim 2, wherein: the top of the box body (1) is provided with a centering mechanism; the centering mechanism comprises a motor (9), a double-end screw (10) and a strip-shaped plate (11); a shell (12) is fixedly connected to the top of the box body (1); the motor (9) is fixedly connected to the outer side wall of the shell (12); the double-end screw (10) is fixedly connected to an output shaft of the motor (9), and the other end of the double-end screw (10) is rotatably connected to the inner wall of the shell (12); the strip-shaped plates (11) are sleeved at two ends of the double-end screw (10); two through grooves are symmetrically formed in one side of the shell (12); the strip-shaped plates (11) penetrate through and are connected with the through grooves in a sliding mode; the two bending rods (5) are positioned between the two strip-shaped plates (11).
4. The steel bar bending device for subway platform construction according to claim 3, wherein: a positioning block (13) is fixedly connected to the top of the box body (1), and a positioning hole (19) is formed in the surface of the positioning block (13); the positioning block (13) is positioned between the two arc-shaped grooves (18).
5. The steel bar bending device for subway platform construction according to claim 4, wherein: the top of the box body (1) is symmetrically and fixedly connected with two supporting blocks (14), and the tops of the supporting blocks (14) and the bottoms of the positioning holes (19) are on the same horizontal plane.
6. The steel bar bending device for subway platform construction according to claim 5, wherein: a groove (20) is arranged above the positioning hole (19); a pressing block (15) is connected in the groove (20) in a sliding manner; two springs (16) are symmetrically and fixedly connected to the top of the pressing block (15), and the top ends of the springs (16) are fixedly connected to the top of the groove (20); the top of locating piece (13) is run through and is rotated and be connected with threaded rod (17), the bottom of threaded rod (17) is located the top of briquetting (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220828578.6U CN217798632U (en) | 2022-04-11 | 2022-04-11 | Steel bar bending device for subway platform construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220828578.6U CN217798632U (en) | 2022-04-11 | 2022-04-11 | Steel bar bending device for subway platform construction |
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| Publication Number | Publication Date |
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| CN217798632U true CN217798632U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220828578.6U Active CN217798632U (en) | 2022-04-11 | 2022-04-11 | Steel bar bending device for subway platform construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118719991A (en) * | 2024-08-30 | 2024-10-01 | 江苏柏威建设有限公司 | Reinforcing steel bar bending equipment for civil engineering construction |
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2022
- 2022-04-11 CN CN202220828578.6U patent/CN217798632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118719991A (en) * | 2024-08-30 | 2024-10-01 | 江苏柏威建设有限公司 | Reinforcing steel bar bending equipment for civil engineering construction |
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