CN219484033U - Portable steel bar bending machine - Google Patents

Abstract

The application discloses portable steel bar bending machine relates to bending equipment technical field, and it includes base, two butt wheels and bending mechanism, it is provided with the pivot to rotate on the base, the butt wheel is established including sliding the cover pivot on first spacing ring and fixed mounting be in pivot on second spacing ring, be provided with in the pivot and be used for adjusting first spacing ring with adjustment mechanism of distance between the second spacing ring. The bending machine has the effect of improving universality of the bending machine.

Description

Portable steel bar bending machine

Technical Field

The application relates to the technical field of bending equipment, in particular to a portable steel bar bending machine.

Background

Reinforcing bars are very common materials in the construction industry and often require bending when in use. The steel bar bending machine is special equipment for bending steel bars.

Referring to fig. 1, a bending machine for reinforcing steel bars comprises a base 1, two abutting wheels 2 arranged on the base, and a bending mechanism 3 positioned between the two abutting wheels; the two abutting wheels are arranged at intervals and are in a straight cylinder shape. The bending mechanism comprises a propping part 31 and a driving component 32 for driving the propping part to slide, wherein the driving component drives the propping part to slide along the direction perpendicular to the connecting line of the two propping wheels. When the steel bar needs to be bent, the steel bar is firstly placed between the abutting wheels and the abutting parts, the steel bar abuts against the two abutting wheels, then the driving assembly is started, and the driving assembly drives the abutting parts to move towards the direction close to the steel bar and pushes the steel bar to bend.

With the related art described above, when the diameter dimension of the reinforcing bar is larger than the thickness dimension of the abutting wheel, the reinforcing bar portion abuts on the abutting wheel; in the process of pushing the abutting part to abut against the reinforcing steel bar along with the driving assembly, the reinforcing steel bar is easy to slide from the abutting wheel to the direction away from the base due to the fact that the cross section of the reinforcing steel bar is round, and therefore the reinforcing steel bar is separated from the abutting wheel. Therefore, the bending machine is only suitable for bending thinner steel bars, and has low bending efficiency on thicker steel bars, thereby resulting in low universality of the bending machine.

Disclosure of Invention

In order to improve the problem that the universality of a steel bar bending machine is low, the application provides a portable steel bar bending machine.

The application provides a portable steel bar bending machine adopts following technical scheme:

the utility model provides a portable steel bar bending machine, includes base, two butt wheels and bending mechanism, the rotation is provided with the pivot on the base, the butt wheel is established including sliding the cover pivot on first spacing ring and fixed mounting be in pivot on second spacing ring, be provided with in the pivot and be used for adjusting first spacing ring with adjustment mechanism of distance between the second spacing ring.

By adopting the technical scheme, the first limiting ring and the second limiting ring are rotatably arranged on the base through the rotating shaft, and when the steel bar is required to be bent, the adjusting mechanism is only required to be started according to the thickness degree of the bent steel bar; the adjusting mechanism drives the first limiting ring to slide on the rotating shaft, and adjusts the distance between the first limiting ring and the second limiting ring, so that the size of a gap between the first limiting ring and the second limiting ring is matched with the thickness of the reinforcing steel bar, and the reinforcing steel bar is clamped between the first limiting ring and the second limiting ring. And then, starting a bending mechanism, wherein the bending mechanism is used for bending the positioned reinforcing steel bars, so that the reinforcing steel bars are effectively prevented from being separated from the abutting wheels, and the bending machine can be used for rapidly bending the reinforcing steel bars with different thickness degrees.

Optionally, the adjustment mechanism include with a thread section of thick bamboo and the restriction pivot pivoted gag lever post of first spacing ring connection, the gag lever post is followed the radial direction of pivot slides and sets up on the base, the gag lever post with pivot activity butt, thread section of thick bamboo thread bush is established the pivot is kept away from the one end of gag lever post.

By adopting the technical scheme, when the distance between the first limiting ring and the second limiting ring needs to be adjusted, the rotating shaft is limited in rotation only through the limiting rod; and then the threaded cylinder is rotated, so that the threaded cylinder rotates relative to the rotating shaft, and the threaded cylinder drives the first limiting ring to move towards the direction close to/far away from the second limiting ring under the action of the threads, thereby realizing the rapid adjustment of the distance between the first limiting ring and the second limiting ring.

Optionally, the stop lever is set as a screw, and the screw is screwed on the base.

Through adopting above-mentioned technical scheme, when needs rotate spacing to the pivot, only need rotate the screw for the screw is towards being close to pivot direction motion and support tightly with the pivot on the base, and the pivot is locked on the base fast this moment.

Optionally, the screw end is provided with an abutment structure, which is located at one end of the screw close to the rotating shaft.

Through adopting above-mentioned technical scheme, the butt structure can increase the friction between screw tip and the pivot, effectively avoids when rotating the screw section of thick bamboo, produces skidding between pivot and the screw and follows the screw section of thick bamboo synchronous rotation, reaches the purpose of quick adjustment distance between first spacing ring and the second spacing ring to improve the bending efficiency of bender.

Optionally, a protection plate is arranged on the base, and one end of the threaded cylinder away from the rotating shaft movably penetrates through the protection plate to be arranged.

By adopting the technical scheme, the steel bar is positioned between the protection plate and the base, so that the steel bar can be effectively prevented from falling off from the abutting wheel in the bending process and moving towards the direction away from the base, and the operator is endangered.

Optionally, a plurality of scale marks are arranged on the thread cylinder, and a plurality of scale marks are arranged at intervals along the length direction of the thread cylinder.

Through adopting above-mentioned technical scheme, rotate the screw thread section of thick bamboo, screw thread section of thick bamboo drives first spacing ring and goes up and down to slide in the pivot, through the alignment condition of scale mark on the screw thread section of thick bamboo and guard plate, can the height of two screw thread section of thick bamboo of quick adjustment to realize two first spacing rings to the same high department of quick adjustment.

Optionally, the end surfaces of the first limiting ring and the second limiting ring, which are close to each other, are provided with hemispheres, and the hemispheres are coaxially sleeved on the rotating shaft.

Through adopting above-mentioned technical scheme, the reinforcing bar is being bent the in-process that the reinforcing bar supported tightly on the terminal surface that first spacing ring and second spacing ring are close to each other, and the setting of hemisphere reducible first spacing ring and second spacing ring produce the pressure loss to the reinforcing bar surface, guarantee the quality of reinforcing bar in-process of bending.

Optionally, an anti-slip layer is arranged on the hemispheroids.

Through adopting above-mentioned technical scheme, the friction between hemisphere and the reinforcing bar can be increased in the setting of skid-proof course for the reinforcing bar is difficult for from the landing on the butt wheel at the in-process of bending.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adjusting mechanism is started according to the thickness degree of the bent steel bar, and the distance between the first limiting ring and the second limiting ring is adjusted by the adjusting mechanism, so that the size of a gap between the first limiting ring and the second limiting ring is matched with the thickness of the steel bar, the steel bar can be stably clamped and embedded between the first limiting ring and the second limiting ring when the steel bar is bent, the steel bar is effectively prevented from being separated from the abutting wheel, and the universality of the bending machine is improved;

2. the thread barrels are rotated, the thread barrels drive the first limiting rings to lift and slide on the rotating shaft, and the heights of the two thread barrels can be quickly adjusted through the alignment condition of scale marks on the thread barrels and the protection plate, so that the two first limiting rings can be quickly adjusted to a proper height;

3. the friction between the hemispheroids and the steel bars can be increased due to the arrangement of the anti-slip layer, so that the steel bars are not easy to slide off the abutting wheels in the bending process.

Drawings

Fig. 1 is a drawing of the background art of the present application.

Fig. 2 is a schematic overall structure of an embodiment of the present application.

Fig. 3 is a schematic structural view of a base, a first limiting ring, a second limiting ring, a threaded cylinder and a screw in an embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of a base, a spindle, and a threaded cylinder in an embodiment of the present application.

Reference numerals: 1. a base; 2. an abutment wheel; 21. a first stop collar; 22. a second limiting ring; 3. a bending mechanism; 31. a pressing part; 32. a drive assembly; 4. a rotating shaft; 5. an adjusting mechanism; 51. a thread cylinder; 52. a screw; 6. an abutting structure; 7. a protection plate; 8. scale marks; 9. a hemisphere; 10. an anti-slip layer.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-4.

The embodiment of the application discloses a portable steel bar bending machine. Referring to fig. 2 and 3, a portable steel bar bending machine comprises a base 1, two abutting wheels 2 and a bending mechanism 3; be provided with guard plate 7 on the base 1, guard plate 7 is made by transparent ya keli board, and guard plate 7 is erect in base 1 top through four stand stability, and guard plate 7 parallel base 1 sets up. Two rotating shafts 4 are arranged between the protection plate 7 and the base 1, the two rotating shafts 4 are rotatably arranged on the base 1 at intervals, and the rotating shafts 4 are perpendicular to the base 1. Two pivots 4 and two butt wheels 2 one-to-one, the coaxial setting of butt wheel 2 is on pivot 4, and pivot 4 wears to establish two butt wheels 2 setting in proper order.

Referring to fig. 2 and 3, the bending mechanism 3 includes a tightening part 31 and a driving component 32, where the driving component 32 may be a linear motor, a hydraulic cylinder, an oil hydraulic cylinder, a cylinder, an electric push rod, etc., and in the embodiment of the present application, the driving component 32 is set as the oil hydraulic cylinder; the oil hydraulic cylinder is fixedly arranged on the base 1, and the connecting line of the extension line of the piston rod of the oil hydraulic cylinder and the two abutting wheels 2 is vertically and equally divided. The abutting portion 31 is provided as a U-shaped claw fixedly mounted on a piston rod of the oil hydraulic cylinder.

When the steel bar needs to be bent, the steel bar is firstly abutted against one side, close to the oil hydraulic cylinder, of the two abutting wheels 2, and the opening of the U-shaped claw is aligned with the steel bar. Then the oil hydraulic cylinder is started, and the oil hydraulic cylinder drives the U-shaped claw to move in the direction away from the oil hydraulic cylinder body, so that the U-shaped claw pushes the reinforcing steel bars to carry out bending processing.

In order to avoid slipping of the reinforcing steel bar from the abutting wheel 2 as much as possible, referring to fig. 2 and 3, the abutting wheel 2 comprises a first limiting ring 21 slidably sleeved on the rotating shaft 4 and a second limiting ring 22 fixedly installed on the rotating shaft 4; the hemispheres 9 are coaxially welded on the end surfaces of the first limiting ring 21 and the second limiting ring 22, which are close to each other, and the planes of the hemispheres 9 are arranged away from each other. The second limiting ring 22 and the hemispherical body 9 connected with the second limiting ring are coaxially welded and fixed on one end of the rotating shaft 4, which is close to the base 1; the first limiting ring 21 and the hemispherical body 9 connected with the first limiting ring are coaxially sleeved on one end, far away from the base 1, of the rotating shaft 4, and the first limiting ring 21 and the hemispherical body 9 connected with the first limiting ring can slide on the rotating shaft 4 along the length direction of the rotating shaft 4. In other embodiments, the first stop collar 21 and the hemisphere 9 connected thereto cannot rotate relative to the shaft 4; in the present embodiment, the first stop collar 21 and the coupling hemisphere 9 are rotatable relative to the shaft 4.

When bending the reinforcing bar, the reinforcing bar is blocked and embedded between the first limiting ring 21 and the second limiting ring 22, and the reinforcing bar is abutted with the ball surface of the hemispherical body 9, so that the reinforcing bar is effectively limited to fall off from the abutting wheel 2 when being bent.

In order to further enable the reinforcing steel bars to be clamped and embedded between the first limiting ring 21 and the second limiting ring 22 stably, referring to fig. 2 and 3, an anti-slip layer 10 is arranged on the hemispherical body 9, and the anti-slip layer 10 can be a diamond layer, a sponge layer or a damping cushion layer; in the present embodiment, the anti-slip layer 10 is provided as a damping mat adhesively secured to the ball surface of the hemisphere 9. When the reinforcing bar is supported tightly by the U-shaped claw and is bent, the damping cushion layer can support the reinforcing bar, so that the reinforcing bar is prevented from being damaged by pressure on one hand, friction between the reinforcing bar and the hemispherical body 9 can be increased on the other hand, and the reinforcing bar is stably clamped and embedded between the first limiting ring 21 and the second limiting ring 22.

In order to enable the abutting wheel 2 to stably limit the steel bars with different thickness degrees, referring to fig. 3 and 4, an adjusting mechanism 5 for adjusting the distance between the first limiting ring 21 and the second limiting ring 22 is arranged on the rotating shaft 4, and the adjusting mechanism 5 comprises a threaded cylinder 51 connected with the first limiting ring 21 and a limiting rod for limiting the rotation of the rotating shaft 4; the thread cylinder 51 and the first limiting ring 21 are coaxially arranged, and the thread cylinder 51 is rotationally connected with the end surface of the first limiting ring 21, which is far away from the hemisphere 9; an external thread matched with the thread cylinder 51 is arranged on one end of the rotating shaft 4 far away from the base 1, and the thread cylinder 51 is sleeved on one end of the rotating shaft 4 far away from the base 1.

For realizing the distance between the first spacing ring 21 and the second spacing ring 22 of quick adjustment, refer to fig. 3 and 4, in this embodiment of the present application, the gag lever post sets up to screw 52, has seted up the screw hole on the lateral wall of base 1, and the axis of screw hole is perpendicular with the axis of pivot 4, and screw 52 threaded connection is in the screw hole of base 1, and the one end of pivot 4 also is located the screw hole.

The screw 52 is turned, the screw 52 slides in the screw hole, and when the end of the screw 52 abuts against the peripheral wall of the shaft 4, the screw 52 can restrict the rotation of the shaft 4 on the base 1 by friction. To further increase the friction between the screw 52 and the spindle 4, referring to fig. 3 and 4, the screw 52 is provided with an abutment structure 6 at its end. The abutment structure 6 may be a sand layer, or may be a rubber layer, or may be a damping layer, in the embodiment of the present application, the abutment structure 6 is provided as a rubber layer. The rubber layer is adhesively secured to the end face of the screw 52 near the rotating end.

In other embodiments, the limiting rod is a pin, a connecting hole for the pin to pass through is formed in the bottom plate along the radial direction of the rotating shaft 4, and a pin hole for the pin to insert is formed in the peripheral wall of the rotating shaft 4. Pushing the pin to slide in the connecting hole, so that one end of the pin is inserted into the pin hole, and locking of the rotating shaft 4 is completed.

When the distance between the first limiting ring 21 and the second limiting ring 22 needs to be adjusted, only the screw 52 needs to be rotated, so that the screw 52 moves on the base 1 towards the direction close to the rotating shaft 4 and abuts against the rotating shaft 4, and at the moment, the rotating shaft 4 is rapidly locked on the base 1. And then the threaded cylinder 51 is rotated, so that the threaded cylinder 51 rotates relative to the rotating shaft 4, and the threaded cylinder 51 drives the first limiting ring 21 to move towards the direction approaching/separating from the second limiting ring 22 under the action of threads, thereby realizing quick adjustment of the distance between the first limiting ring 21 and the second limiting ring 22.

In order to quickly bring the two first stop rings 21 to the same height, referring to fig. 2 and 3, a plurality of graduation marks 8 are provided on the screw cylinder 51, and the graduation marks 8 are spaced apart along the length direction of the screw cylinder 51. Two through holes are formed in the protection plate 7, the two through holes correspond to the two threaded cylinders 51 one by one, and one end, far away from the rotating shaft 4, of each threaded cylinder 51 is movably penetrated through the protection plate 7. Through the alignment condition of the scale marks 8 on the thread cylinders 51 and the protection plate 7, the heights of the two thread cylinders 51 can be quickly adjusted, so that the two first limiting rings 21 can be quickly adjusted to the same height.

The implementation principle of the portable steel bar bending machine is as follows: when the steel bar is bent, the size of the gap between the first limiting ring 21 and the second limiting ring 22 only needs to be adjusted according to the thickness degree of the bent steel bar. Therefore, the two rotating shafts 4 are locked and positioned on the base 1 through the two screws 52, and then the two threaded cylinders 51 are rotated, so that the threaded cylinders 51 rotate relative to the rotating shafts 4. The screw cylinder 51 drives the first limiting ring 21 to move towards the direction approaching/separating from the second limiting ring 22 under the action of screw threads, so that the distance between the first limiting ring 21 and the second limiting ring 22 can be quickly adjusted. Simultaneously, the two first limiting rings 21 are quickly adjusted to the same height by referring to the alignment condition of the scale marks 8 on the two thread cylinders 51 and the protection plate 7 respectively.

After the adjustment of the distance between the first limiting ring 21 and the second limiting ring 22 is completed, the screw 52 is turned, so that the screw 52 is not abutted with the rotating shaft 4 any more. The bar is then abutted against the side of the two abutment wheels 2 adjacent to the hydraulic cylinder and the opening of the U-shaped jaw is aligned with the bar. Then the oil hydraulic cylinder is started, and the oil hydraulic cylinder drives the U-shaped claw to move in the direction away from the oil hydraulic cylinder body, so that the U-shaped claw pushes the reinforcing steel bars to carry out bending processing.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a portable steel bar bending machine, includes base (1), two butt wheels (2) and bending mechanism (3), its characterized in that: the base (1) is rotatably provided with a rotating shaft (4), the abutting wheel (2) comprises a first limiting ring (21) which is sleeved on the rotating shaft (4) in a sliding mode and a second limiting ring (22) which is fixedly installed on the rotating shaft (4), and the rotating shaft (4) is provided with an adjusting mechanism (5) used for adjusting the distance between the first limiting ring (21) and the second limiting ring (22).

2. A portable steel bar bender according to claim 1, wherein: the adjusting mechanism (5) comprises a threaded cylinder (51) connected with the first limiting ring (21) and a limiting rod for limiting rotation of the rotating shaft (4), the limiting rod is arranged on the base (1) in a sliding mode along the radial direction of the rotating shaft (4), the limiting rod is in movable butt joint with the rotating shaft (4), and the threaded cylinder (51) is in threaded sleeve arrangement at one end, far away from the limiting rod, of the rotating shaft (4).

3. A portable steel bar bender according to claim 2, wherein: the limiting rod is provided with a screw (52), and the screw (52) is in threaded connection with the base (1).

4. A portable steel bar bender according to claim 3, wherein: the end of the screw (52) is provided with an abutting structure (6), and the abutting structure (6) is positioned at one end of the screw (52) close to the rotating shaft (4).

5. A portable steel bar bender according to claim 2, wherein: the base (1) is provided with a protection plate (7), and one end of the threaded cylinder (51) far away from the rotating shaft (4) movably penetrates through the protection plate (7) to be arranged.

6. A portable steel bar bender according to claim 5, wherein: the thread cylinder (51) is provided with a plurality of scale marks (8), and the scale marks (8) are arranged at intervals along the length direction of the thread cylinder (51).

7. A portable steel bar bender according to claim 1, wherein: the end faces, close to each other, of the first limiting ring (21) and the second limiting ring (22) are respectively provided with a hemispherical body (9), and the hemispherical bodies (9) are coaxially sleeved on the rotating shaft (4).

8. A portable steel bar bender according to claim 7, wherein: an anti-slip layer (10) is arranged on the hemispherical body (9).