CN111299464A

CN111299464A - Bar hoop bending machine

Info

Publication number: CN111299464A
Application number: CN202010161004.3A
Authority: CN
Inventors: 陈振东; 其他发明人请求不公开姓名
Original assignee: TJK Machinery Tianjin Co Ltd
Current assignee: TJK Machinery Tianjin Co Ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-06-19

Abstract

The invention belongs to the technical field of steel bar processing equipment, and discloses a bar hoop bending machine which comprises a rack, a feeding mechanism, a returning mechanism, a bending mechanism and a cutting machine shearing mechanism, wherein the feeding mechanism, the returning mechanism, the bending mechanism and the cutting machine shearing mechanism are arranged on the rack, a working surface and an avoiding surface are arranged on the rack, when the working parts of the feeding mechanism and the returning mechanism extend out of the working surface, the feeding mechanism and the returning mechanism can clamp and convey steel bars, when the working parts of the feeding mechanism and the returning mechanism retract into the avoiding surface, the bending mechanism can avoid interference on the steel bars on the working surface, when the working parts of the bending mechanism extend out of the working surface, the bending mechanism can bend the steel bars conveyed by the feeding mechanism or the returning mechanism, and when the working parts retract into the avoiding surface, the cutting machine shearing mechanism is arranged between the feeding mechanism and the bending mechanism and can shear. The invention arranges the shearing mechanism of the cutting machine between the feeding mechanism and the bending mechanism, thereby integrating the functions of feeding, cutting, bending and returning.

Description

Bar hoop bending machine

Technical Field

The invention relates to the technical field of steel bar processing equipment, in particular to a bar hoop bending machine.

Background

Along with the continuous perfect and development of automatic processing equipment for reinforcing steel bars, a large number of bar bending machines or hoop bending machines are arranged on the existing reinforcing steel bar processing production line, and the existing bending machines or hoop bending machines need to be matched with the independently arranged shearing machine to cut the reinforcing steel bars during processing production, so that the occupied area is large, the operation process is time-consuming and tedious, the production efficiency is low, and the cost is high.

Disclosure of Invention

The invention aims to provide a bar hoop bending machine which can realize the integrated operation of shearing of reinforcing steel bars and hoop bending, and has the advantages of small occupied area and high processing and production efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

a bar hoop bending machine comprising:

the device comprises a rack, a driving device and a control device, wherein a working surface and an avoiding surface are arranged on the rack;

the feeding mechanism is arranged on the rack, when the working part of the feeding mechanism extends out of the working surface, the feeding mechanism can clamp and convey the steel bars, and when the working part of the feeding mechanism retracts to the avoiding surface, the steel bar tailings can fall down;

the back conveying mechanism is arranged on the rack, when the working part of the back conveying mechanism extends to the working surface in the first stage, the back conveying mechanism can clamp and convey the reinforcing steel bars, when the working part of the back conveying mechanism extends to the second stage, the back conveying mechanism can convey or back the reinforcing steel bars, and when the working part of the back conveying mechanism retracts to the avoiding surface, the back conveying mechanism can avoid the interference to the reinforcing steel bars on the working surface;

the bending mechanism is arranged on the rack and positioned between the feeding mechanism and the returning mechanism, when the working part of the bending mechanism extends to the working surface in a first stage, the bending mechanism can bend the reinforcing steel bars conveyed by the feeding mechanism, when the working part of the bending mechanism extends to the second stage, the bending mechanism can bend the reinforcing steel bars fed or returned by the returning mechanism, and when the working part of the bending mechanism retracts to the avoiding surface, the bending mechanism can avoid interference on the reinforcing steel bars on the working surface;

and the shearing mechanism of the cutting machine is arranged on the rack, is positioned between the feeding mechanism and the bending mechanism, is driven by a motor through a flywheel, is subjected to clutch control through a pneumatic clutch, and can shear the steel bars conveyed by the feeding mechanism.

Preferably, the cutter shearing mechanism includes:

the box body is arranged on the rack, the motor is arranged on the box body, and the flywheel is arranged on an input end shaft of the gear set in the box body and is in transmission connection with the motor through a belt;

the clutch gear is arranged in the box body and is in transmission connection with the flywheel through the gear set;

a fixed knife fixedly arranged on the box body,

the camshaft is rotationally arranged in the box body, the pneumatic clutch is fixedly arranged on the box body, and the clutch gear is linked with the camshaft when the pneumatic clutch acts;

move the sword, slide set up in on the box, when the camshaft rotates, can drive move the sword and stretch out or retract, make move the sword with the stationary knife cooperatees and cuts the reinforcing bar.

Preferably, the feeding mechanism includes:

the fixed seat is arranged on the rack;

the sliding seat is arranged on the fixed seat in a sliding manner;

the first driving part is arranged on the fixed seat, and the output end of the first driving part is connected with the sliding seat and can drive the sliding seat to slide;

a second driving part mounted on the sliding seat;

the driving wheel is arranged at the output end of the second driving part, and the second driving part can drive the driving wheel to rotate along the axis of the second driving part;

a third driving part mounted on the sliding seat;

and the idler wheel is arranged at the output end of the third driving part, and the third driving part can drive the idler wheel to be close to or far away from the driving wheel.

Preferably, the number of the driving wheels is two, and the second driving portion can drive the two driving wheels to rotate synchronously.

Preferably, the second driving unit includes:

the driving motor is arranged on the sliding seat;

the driving gear is arranged at the output end of the driving motor;

and two driven gears are arranged and are respectively rotatably arranged on the sliding seat and meshed with the driving gear, and each driven gear is connected with one driving gear through a connecting shaft.

Preferably, the number of the third driving parts is two, one idler wheel is mounted at the output end of each third driving part, and each idler wheel is matched with one driving wheel.

Preferably, the idler wheel is located above the drive wheel.

Preferably, the back feed mechanism has the same structure as the feed mechanism.

Preferably, the bending mechanism includes:

the vertical seat is arranged on the rack;

a fourth driving part mounted on the vertical base;

a movable seat mounted on an output end of the fourth driving part;

the working disc is rotationally arranged on the moving seat, and the fourth driving part can drive the moving seat to drive the working disc to axially move;

the bending part is arranged on the working disc, and a bending groove which is through along the radial direction of the working disc is arranged on the bending part;

a fifth driving part installed on the movable base;

and the driving gear is installed at the output end of the fifth driving part and meshed with the insections on the periphery of the working plate, and the fifth driving part can drive the driving gear to drive the working plate to rotate along the axial direction of the working plate.

The invention has the beneficial effects that:

the shearing mechanism of the cutting machine is arranged between the feeding mechanism and the bending mechanism on the frame, so that the bar hoop bending machine can integrate the feeding, cutting, bending and returning functions, the integrated operation of shearing and bending of the reinforcing steel bars is realized, the additional arrangement of the shearing machine is not needed, the occupied area is reduced, and the processing and production efficiency is improved.

Drawings

Fig. 1 is a front view of a bar hoop bending machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a feed mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a bending mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a shearing mechanism of a cutting machine according to an embodiment of the present invention;

FIG. 5 is a schematic view showing a part of the structure of the shearing mechanism of the cutting-off machine according to the embodiment of the present invention.

In the figure:

1. a frame;

2. a feeding mechanism; 21. a fixed seat; 22. a sliding seat; 23. a first driving section; 24. a second driving section; 25. a driving wheel; 26. a third driving section; 27. an idler pulley;

3. a back conveying mechanism;

4. a bending mechanism; 41. a vertical seat; 42. a fourth driving section; 43. a working plate; 431. an annular flange; 44. a bending section; 45. a fifth driving section; 46. a drive gear;

5. a shearing mechanism of the cutting machine; 51. an electric motor; 52. a flywheel; 53. a box body; 54. a clutch gear; 55. fixing a knife; 56. a camshaft; 57. moving a knife; 58. a pneumatic clutch.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-5, the invention provides a bar hoop bending machine, which comprises a frame 1, and a feeding mechanism 2, a back feeding mechanism 3, a bending mechanism 4 and a cutting mechanism 5 of a cutting machine which are arranged on the frame 1. Wherein, the frame 1 is provided with a working face and an avoiding face, when the working part of the feeding mechanism 2 extends to the working face, the reinforcing steel bar can be clamped and conveyed, when the working part of the feeding mechanism 2 retracts to the avoiding face, the reinforcing steel bar tailing can fall, when the working part of the returning mechanism 3 extends to the working face in the first stage, the reinforcing steel bar can be clamped and conveyed, when the working part of the returning mechanism 3 extends in the second stage, the reinforcing steel bar can be conveyed or returned, when the working part of the returning mechanism 3 retracts to the avoiding face, the interference to the reinforcing steel bar on the working face can be avoided, the bending mechanism 4 is positioned between the feeding mechanism 2 and the returning mechanism 3, when the working part of the bending mechanism 4 extends in the first stage to the working face, the reinforcing steel bar conveyed by the feeding mechanism 2 can be bent, when the working part of the bending mechanism 4 extends in the second stage, the working part of the returning mechanism 3 is matched with the second stage extension of, when the working part of the bending mechanism 4 retracts to the avoiding surface, the interference to the steel bars on the working surface can be avoided, the shearing mechanism 5 of the cutting machine is positioned between the feeding mechanism 2 and the bending mechanism 4, is driven by the motor 51 through the flywheel 52, and can shear the steel bars conveyed by the feeding mechanism 2 through clutch control of the pneumatic clutch 58.

In the invention, the shearing mechanism 5 of the cutting machine is arranged between the feeding mechanism 2 and the bending mechanism 4 on the frame 1, so that the bar hoop bending machine can integrate the feeding, cutting, bending and returning functions, thereby realizing the integrated operation of shearing and hoop bending of the reinforcing steel bar, needing no additional shearing machine, reducing the floor area and improving the processing and production efficiency.

Specifically, the cutter shearing mechanism 5 includes a case 53, a clutch gear 54, a fixed blade 55, a cam shaft 56, and a movable blade 57, in addition to the motor 51 and the flywheel 52 and the pneumatic clutch 58. Wherein, the box body 53 is arranged on the frame 1, the motor 51 is arranged on the box body 53, the flywheel 52 is arranged on the input end shaft of the gear group in the box body 53 and is in transmission connection with the motor 51 through a belt, the clutch gear 54 is arranged in the box body 53, the fixed knife 55 is fixedly arranged on the box body 53, the cam shaft 56 is rotatably arranged in the box body 53, the movable knife 57 is slidably arranged on the box body 53, the cam shaft 56 can drive the movable knife 57 to extend or retract when rotating, so that the movable knife 57 and the fixed knife 55 are matched to shear the steel bars, the pneumatic clutch 58 is fixedly arranged on the box body 53, when the pneumatic clutch 58 acts, the connecting shaft on the cam shaft 56 is connected with the clutch gear 54, the clutch gear 54 is linked with the cam shaft 56, the driving force of the motor 51 is transmitted to the movable knife 57 through the cam shaft 56, and the movable knife 57 and the fixed knife 55 are enabled to cut the steel bars in a staggered mode. The above gear set is a conventional assembly with a plurality of gears cooperating with each other in the art, and the specific structure and operation principle thereof are prior art and will not be described herein again.

In the embodiment, the motor 51 is a low-power motor, the pneumatic clutch 58 is a clutch conventional in the art, and is driven by a cylinder, and the specific structure and the working principle thereof are not described herein again, so that the power of the whole machine is reduced, the energy is saved, the environment is protected, the purchase is easy, the pneumatic clutch is economical and practical, the cost is low, and the pneumatic clutch is suitable for mechanized production.

Optionally, the feeding mechanism 2 includes a fixed seat 21, a sliding seat 22, a first driving portion 23, a second driving portion 24, a driving wheel 25, a third driving portion 26 and an idle wheel 27, wherein the fixed seat 21 is mounted on the frame 1, the sliding seat 22 is slidably disposed on the fixed seat 21, the first driving portion 23 is mounted on the fixed seat 21, an output end of the first driving portion is connected to the sliding seat 22 and can drive the sliding seat 22 to slide, the second driving portion 24 is mounted on the sliding seat 22, the driving wheel 25 is mounted on an output end of the second driving portion 24, the second driving portion 24 can drive the driving wheel 25 to rotate along its own axis, the third driving portion 26 is mounted on the sliding seat 22, the idle wheel 27 is mounted on an output end of the third driving portion 26, and the third driving portion 26 can drive the idle wheel 27 to approach or depart from. With the above arrangement, under the driving of the first driving portion 23, the driving wheel 25 and the idle wheel 27, which are the working portions of the feeding mechanism 2, can move between the working surface and the avoiding surface, on the working surface, when the reinforcing steel bar extends between the driving wheel 25 and the idle wheel 27, the second driving portion 24 drives the driving wheel 25 to rotate, and the third driving portion 26 drives the idle wheel 27 to approach the driving wheel 25 to clamp the reinforcing steel bar, thereby conveying the reinforcing steel bar.

Specifically, the two driving wheels 25 are provided, the two driving wheels 25 are sequentially arranged along the conveying direction, and the second driving portion 24 can drive the two driving wheels 25 to synchronously rotate.

More specifically, the second driving part 24 includes a driving motor, a driving gear, and a driven gear. The driving motor is mounted on the sliding seat 22, the driving gear is mounted at the output end of the driving motor, two driven gears are arranged and rotatably mounted on the sliding seat 22 respectively and meshed with the driving gear, and each driven gear is connected with one driving gear 25 through one connecting shaft. The above arrangement enables the second driving portion 24 to drive the two driving wheels 25 in synchronization.

More specifically, the third driving portions 26 are provided in two, one idle wheel 27 is mounted at the output end of each third driving portion 26, each idle wheel 27 is provided in cooperation with one driving wheel 25, and the idle wheel 27 is located above the driving wheel 25. The two driving wheels 25 and the two idle wheels 27 are matched to form a conveying channel in the conveying direction of the steel bars, so that the conveying of the steel bars is more stable and reliable.

In the present embodiment, the first driving portion 23 and the third driving portion 26 are both driving mechanisms with motors matching with the lead screws, which are conventional in the art and will not be described herein.

Alternatively, the back feeding mechanism 3 is the same as the feeding mechanism 2, and is respectively arranged at two ends of the table top of the frame 1.

Alternatively, the bending mechanism 4 includes a standing seat 41, a fourth driving portion 42, a moving seat, an operating plate 43, a bent portion 44, a fifth driving portion 45, and a driving gear 46. The vertical seat 41 is installed on the frame 1, the fourth driving portion 42 is installed on the vertical seat 41, the movable seat is installed at the output end of the fourth driving portion 42, the working disc 43 is rotatably installed on the movable seat, the fourth driving portion 42 can drive the movable seat to drive the working disc 43 to axially move, the bent portion 44 is installed on the working disc 43, a bent groove which is through along the radial direction of the working disc 43 is formed in the bent portion 44, the fifth driving portion 45 is installed on the movable seat, the driving gear 46 is installed at the output end of the fifth driving portion 45 and is meshed with the insections on the periphery of the working disc 43, and the fifth driving portion 45 can drive the driving gear 46 to drive the working disc 43 to axially rotate along the vertical direction.

Specifically, the working disk 43 is provided with an annular rib 431, and the annular rib 431 can protect the insection on the outer periphery of the working disk 43.

In this embodiment, the fourth driving portion 42 is a driving mechanism of a motor and a lead screw, and the fifth driving portion 45 is a motor or a mechanism of a motor and a reducer, which are conventional in the art and will not be described herein.

More specifically, a tail material box is arranged on the machine frame 1, and when the working part of the feeding mechanism 2 retracts to the avoiding surface, the tail material sheared by the shearing mechanism 5 of the shearing machine can fall to the tail material box.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A bar hoop bending machine, characterized by comprising:

the device comprises a rack (1), wherein a working surface and an avoiding surface are arranged on the rack (1);

the feeding mechanism (2) is arranged on the rack (1), when the working part of the feeding mechanism (2) extends to the working surface, the reinforcing steel bars can be clamped and conveyed, and when the working part of the feeding mechanism (2) retracts to the avoiding surface, the reinforcing steel bar tailings can fall down;

the loopback mechanism (3) is arranged on the rack (1), when the working part of the loopback mechanism (3) extends to the working surface in the first stage, the rebar can be clamped and conveyed, when the working part of the loopback mechanism (3) extends in the second stage, the rebar can be conveyed or looped back, and when the working part of the loopback mechanism (3) retracts to the avoiding surface, the interference to the rebar on the working surface can be avoided;

the bending mechanism (4) is arranged on the rack (1) and is positioned between the feeding mechanism (2) and the returning mechanism (3), when a working part of the bending mechanism (4) extends to the working surface in a first stage, the bending mechanism can bend the reinforcing steel bars conveyed by the feeding mechanism (2), when the working part of the bending mechanism (4) extends in a second stage, the bending mechanism can bend the reinforcing steel bars fed or returned by the returning mechanism (3), and when the working part of the bending mechanism (4) retracts to the avoiding surface, the bending mechanism can avoid interference on the reinforcing steel bars on the working surface;

and the cutting machine shearing mechanism (5) is arranged on the rack (1), is positioned between the feeding mechanism (2) and the bending mechanism (4), is driven by a motor (51) through a flywheel (52), is subjected to clutch control through a pneumatic clutch (58), and can shear the steel bars conveyed by the feeding mechanism (2).

2. Bar hoop bending machine according to claim 1, wherein said cutter shearing mechanism (5) comprises:

the box body (53) is arranged on the rack (1), the motor (51) is arranged on the box body (53), and the flywheel (52) is arranged on an input end shaft of the gear set in the box body (53) and is in transmission connection with the motor (51) through a belt;

the clutch gear (54) is arranged in the box body (53) and is in transmission connection with the flywheel (52) through the gear set;

a fixed knife (55) fixedly arranged on the box body (53),

the camshaft (56) is rotatably arranged in the box body (53), the pneumatic clutch (58) is fixedly arranged on the box body (53), and when the pneumatic clutch (58) acts, the clutch gear (54) is linked with the camshaft (56);

the movable knife (57) is arranged on the box body (53) in a sliding mode, and when the cam shaft (56) rotates, the movable knife (57) can be driven to extend out or retract, so that the movable knife (57) and the fixed knife (55) are matched to shear the steel bars.

3. Bar hoop bending machine according to claim 1, wherein said feeding mechanism (2) comprises:

the fixed seat (21) is arranged on the rack (1);

the sliding seat (22) is arranged on the fixed seat (21) in a sliding manner;

the first driving part (23) is arranged on the fixed seat (21), the output end of the first driving part is connected with the sliding seat (22), and the first driving part can drive the sliding seat (22) to slide;

a second driving part (24) mounted on the sliding seat (22);

the driving wheel (25) is arranged at the output end of the second driving part (24), and the second driving part (24) can drive the driving wheel (25) to rotate along the axis of the driving wheel;

a third driving part (26) mounted on the sliding seat (22);

an idler wheel (27) mounted at the output end of the third driving portion (26), the third driving portion (26) being capable of driving the idler wheel (27) closer to or farther from the drive wheel (25).

4. Bar hoop bending machine according to claim 3, wherein there are two driving wheels (25), the second driving portion (24) being able to drive the two driving wheels (25) in rotation in synchronism.

5. Bar hoop bending machine according to claim 4, wherein said second driving portion (24) comprises:

the driving motor is arranged on the sliding seat (22);

the driving gear is arranged at the output end of the driving motor;

two driven gears are arranged and are respectively rotatably mounted on the sliding seat (22) and meshed with the driving gear, and each driven gear is connected with one driving gear (25) through a connecting shaft.

6. Bar hoop bending machine according to claim 4, wherein said third driving portions (26) are provided in two, one idle wheel (27) being mounted at the output of each third driving portion (26), each idle wheel (27) being arranged in cooperation with one driving wheel (25).

7. Bar hoop bending machine according to claim 3, wherein the idle wheel (27) is located above the driving wheel (25).

8. Bar hoop bending machine according to claim 3, wherein the return mechanism (3) is structurally identical to the feed mechanism (2).

9. Bar hoop bending machine according to claim 1, wherein said bending mechanism (4) comprises:

a vertical seat (41) mounted on the frame (1);

a fourth driving unit (42) attached to the vertical base (41);

a movable base mounted on an output end of the fourth driving portion (42);

the working disc (43) is rotationally arranged on the moving seat, and the fourth driving part (42) can drive the moving seat to drive the working disc (43) to axially move;

the bending part (44) is arranged on the working disc (43), and a bending groove which penetrates through the working disc (43) in the radial direction is formed in the bending part (44);

a fifth driving part (45) mounted on the movable base;

the driving gear (46) is installed at the output end of the fifth driving portion (45) and meshed with the insections on the periphery of the working disc (43), and the fifth driving portion (45) can drive the driving gear (46) to drive the working disc (43) to rotate along the axial direction of the working disc (43).