Numerical control mechanical steel bar bending, cutting and straightening machine convenient to adjust

Abstract

The utility model discloses a numerical control mechanical steel bar bending and cutting straightener convenient to adjust, which comprises a box body, a mounting plate, a first motor, a first rotating shaft, a working disc, a central hole, eight positioning holes, a central pin shaft, a bending pin shaft and a feeding device, the mounting plate is fixedly mounted in the box body, the first motor is fixedly mounted at the top of the mounting plate, and the first rotating shaft is fixedly mounted at the bottom of the mounting plate; the first rotating shaft is fixedly installed at the output shaft end of the first motor, the top end of the first rotating shaft extends out of the box, and the working disc is fixedly installed at the top end of the first rotating shaft. The steel bar bending device is reasonable in design, good in practicability and capable of clamping and controlling a steel bar to move rightwards according to the length requirement so as to bend the steel bar, manual control over the steel bar is replaced, the bending efficiency of the steel bar is improved, meanwhile, both hands are prevented from being scratched by the steel bar, the use safety of the device is improved, and the steel bar can be resisted; and large deformation of the steel bars in the bending process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel bar processing, in particular to a numerically controlled mechanical steel bar bending, cutting and straightening machine which is easy to adjust. Background Art

[0002] The steel bar bending machine is one of the steel bar processing machines. The working mechanism is a horizontal working disc that rotates on a vertical axis. The steel bar is placed in the dotted line position in the figure. The supporting pin is fixed on the machine bed. The center pin and the bending pin are installed on the working disc. When the disc rotates, the steel bar is bent. In order to bend steel bars of various diameters, there are several holes on the working disc to insert the bending pins. The center pins of different diameters can also be replaced accordingly. The existing CNC mechanical steel bar bending, cutting and straightening machine baffle is easily damaged by tightening after adjusting the distance, and the thread adjustment is easily stuck, which reduces the convenience of tightening.

[0003] In response to the above problem, a Chinese patent announcement with announcement number CN211638106U discloses a CNC mechanical rebar bending, cutting and straightening machine that is easy to adjust. The technical highlights are: it includes a CNC mechanical rebar bending, cutting and straightening machine body, a bending disk is movably installed on the top of the CNC mechanical rebar bending, cutting and straightening machine body, a fixed plate is fixedly connected to the left side of the top of the CNC mechanical rebar bending, cutting and straightening machine body, and a pneumatic adjustment structure is fixedly connected to the top of the left side of the CNC mechanical rebar bending, cutting and straightening machine body.

[0004] In actual operation, it is found that the above scheme still has at least the following defects: the device is inconvenient to move the steel bars multiple times when processing stirrups, and it is inconvenient to control the bending length of the steel bars, and manually rotating the rotating head is time-consuming and laborious. For this reason, we propose an easy-to-adjust CNC mechanical steel bar bending, cutting and straightening machine to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides an easily adjustable CNC mechanical steel bar bending, cutting and straightening machine, which solves the problems of being inconvenient to move the steel bars multiple times when processing stirrups, being inconvenient to control the bending length of the steel bars, and being time-consuming and laborious to manually rotate the rotating head.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC mechanical steel bar bending, cutting and straightening machine that is easy to adjust, comprising a box body, a mounting plate, a first motor, a first rotating shaft, a working disc, a center hole, eight positioning holes, a center pin, a bending pin and a feeding device, wherein the mounting plate is fixedly mounted in the box body, the first motor is fixedly mounted on the top of the mounting plate, the first rotating shaft is fixedly mounted on the output shaft end of the first motor, the top end of the first rotating shaft extends out of the box body, the working disc is fixedly mounted on the top end of the first rotating shaft, a center hole located at the center position of the circle and eight positioning holes distributed in a circular array are provided on the working disc, the center pin is slidably mounted in the center hole, the bending pin is slidably mounted in the corresponding positioning holes, and the feeding device is arranged on the box body, and the feeding device is used to control the advancement of the steel bar.

[0009] Preferably, the feeding device includes a second motor, a second rotating shaft and a driving wheel. The second motor is fixedly mounted on the top of the mounting plate and is located on the left side of the first motor. The second rotating shaft is fixedly mounted on the output shaft end of the second motor. The top end of the second rotating shaft extends out of the box body, and the driving wheel is fixedly sleeved on the top end of the second rotating shaft.

[0010] Preferably, the feeding mechanism also includes a fixed plate, an electric push rod, a slide plate, a third rotating shaft and a driven wheel. The fixed plate is fixedly installed on the top of the box body, the electric push rod is fixedly installed on the front side of the fixed plate, the slide plate is fixedly installed on the output shaft end of the electric push rod, the third rotating shaft is rotatably installed on the top of the slide plate, and the driven wheel is fixedly sleeved on the top of the third rotating shaft.

[0011] Preferably, a guide groove is provided on the top of the box body and is located in front of the fixing plate, and the bottom of the slide plate is slidably installed in the guide groove.

[0012] Preferably, arc-shaped slots are provided on the annular side surfaces of the driving wheel and the driven wheel, the two arc-shaped slots are equal in size and flush in height, and rubber pads are fixedly mounted on the two arc-shaped slots.

[0013] Preferably, a vertical plate located on the right side of the driven wheel is fixedly installed on the top of the slide plate, a baffle is fixedly installed on the front side of the vertical plate, and the contact surface of the driven wheel and the steel bar is flush with the front side surface of the baffle.

[0014] Preferably, four universal wheels symmetrically distributed in pairs are rotatably installed on the top of the box, an inspection opening is opened on the front side of the box, an inspection door is rotatably installed on the inspection opening through a hinge, an observation window is opened on the inspection door, and a handle is fixedly installed on the inspection door to the right of the observation window.

[0015] (III) Beneficial effects

[0016] The utility model provides a CNC mechanical steel bar bending, cutting and straightening machine which is easy to adjust. It has the following beneficial effects:

[0017] (1) This easy-to-adjust CNC mechanical steel bar bending, cutting and straightening machine can clamp and control the steel bar to move rightward according to the length requirement by utilizing a feeding mechanism composed of a second motor, a second rotating shaft, a driving wheel, a fixed plate, an electric push rod, a slide plate, a third rotating shaft and a driven wheel, thereby bending the steel bar, replacing manual manipulation of the steel bar, improving the bending efficiency of the steel bar, and preventing hands from being scratched by the steel bar, thereby improving the safety of the device.

[0018] (2) This easy-to-adjust CNC mechanical steel bar bending, cutting and straightening machine can resist the steel bars by utilizing the combined effect of the vertical plate and the baffle plate, thereby preventing the steel bars from being greatly deformed during the bending process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the main view of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model from the side;

[0022] Figure 4 It is a schematic diagram of the top structure of the utility model.

[0023] In the figure: 1. box body; 2. mounting plate; 3. first motor; 4. first rotating shaft; 5. working disc; 6. center hole; 7. positioning hole; 8. center pin; 9. bending pin; 10. second motor; 11. second rotating shaft; 12. driving wheel; 13. fixing plate; 14. electric push rod; 15. slide plate; 16. third rotating shaft; 17. driven wheel; 18. guide groove; 19. arc-shaped slot; 20. rubber cushion; 21. vertical plate; 22. baffle; 23. universal wheel; 24. inspection door; 25. observation window; 26. handle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-4As shown, the utility model provides a technical solution: a CNC mechanical steel bar bending, cutting and straightening machine that is easy to adjust, including a box body 1, a mounting plate 2, a first motor 3, a first rotating shaft 4, a working disc 5, a center hole 6, eight positioning holes 7, a center pin 8, a bending pin 9 and a feeding device, the mounting plate 2 is fixedly installed in the box body 1, the mounting plate 2 is used to install and fix the first motor 3 and the second motor 10, the first motor 3 is fixedly installed on the top of the mounting plate 2, the first motor 3 is used to drive the first rotating shaft 4 to rotate, it should be noted that the first motor 3 is a forward and reverse motor, each time the first motor 3 is controlled to rotate, the first motor 3 only controls the working disc 5 to rotate 9 0 degrees, and then returns to the initial state, the first rotating shaft 4 is fixedly mounted on the output shaft end of the first motor 3, the first rotating shaft 4 is used to drive the working disc 5 to rotate, the top end of the first rotating shaft 4 extends outside the box body 1, the working disc 5 is fixedly mounted on the top end of the first rotating shaft 4, and a center hole 6 located at the center position of the circle and eight positioning holes 7 distributed in a circular array are opened on the working disc 5, the center pin 8 is slidably mounted in the center hole 6, the bending pin 9 is slidably mounted in the corresponding positioning hole 7, the bending pin 9 is used to bend the steel bar, and the feeding device is arranged on the box body 1, and the feeding device is used to control the steel bar to advance. The above-mentioned feeding device includes a second motor 10, a second rotating shaft 11 and The driving wheel 12, the second motor 10 is fixedly mounted on the top of the mounting plate 2 and is located on the left side of the first motor 3, the second motor 10 is used to drive the second rotating shaft 11 to rotate. It should be noted that the second motor 10 can control the driving wheel 12 to rotate through the arc length of the corresponding length and then stop according to the input numerical value under the control of the controller, thereby making the steel bar move to the right by a corresponding distance, the second rotating shaft 11 is fixedly mounted on the output shaft end of the second motor 10, the second rotating shaft 11 is used to drive the driving wheel 12 to rotate, the top end of the second rotating shaft 11 extends outside the box body 1, the driving wheel 12 is fixedly sleeved on the top end of the second rotating shaft 11, and the feeding mechanism also includes a fixing plate 13 and an electric push rod 14, slide plate 15, third rotating shaft 16 and driven wheel 17, the fixed plate 13 is fixedly installed on the top of the box body 1, the fixed plate 13 is used to install and fix the electric push rod 14, the electric push rod 14 is fixedly installed on the front side of the fixed plate 13, the electric push rod 14 is used to drive the slide plate 15 to move forward and backward, the slide plate 15 is fixedly installed on the output shaft end of the electric push rod 14, the slide plate 15 is used to drive the third rotating shaft 16 and the driven wheel 17 to move forward and backward, the third rotating shaft 16 is rotatably installed on the top of the slide plate 15, and the driven wheel 17 is fixedly sleeved on the top of the third rotating shaft 16. By utilizing the joint action of the driving wheel 12 and the driven wheel 17, the steel bars can be clamped and fixed and the steel bars can be controlled to move to the right.

[0026] In this embodiment, four universal wheels 23 symmetrically distributed in pairs are rotatably installed on the top of the above-mentioned box body 1. The four universal wheels 23 are used to facilitate the movement of the control device. An inspection port is provided on the front side of the box body 1. An inspection door 24 is rotatably installed on the inspection port through a hinge. The inspection door 24 is used to facilitate the observation of the working status of the parts in the box body 1. An observation window 25 is provided on the inspection door 24. A handle 26 located on the right side of the observation window 25 is fixedly installed on the inspection door 24. A guide groove 18 located on the front side of the fixed plate 13 is provided on the top of the box body 1. The guide groove 18 is used to guide and limit the movement of the slide plate 15. The bottom of the slide plate 15 is slidably installed in the guide groove 18, and the top of the slide plate 15 A vertical plate 21 is fixedly installed on the right side of the driven wheel 17, and the vertical plate 21 is used to install a fixed baffle 22. A baffle 22 is fixedly installed on the front side of the vertical plate 21. The baffle 22 is used to resist the steel bars and reduce the deformation of the steel bars. The contact surface of the driven wheel 17 and the steel bars is flush with the front side of the baffle 22. Arc grooves 19 are provided on the annular sides of the driving wheel 12 and the driven wheel 17. The two arc grooves 19 are used to clamp and fix steel bars of different diameters. The two arc grooves 19 are equal in size and flush in height. Rubber pads 20 are fixedly installed on the two arc grooves 19. The two rubber pads 20 are used to increase friction and prevent the steel bars from moving during bending, thereby improving the accuracy of bending.

[0027] In this embodiment, a controller is installed on the box 1, and a length input button is provided on the controller. The first motor 3, the second motor 10, the electric push rod 14 and the controller are electrically connected to the external power line through wires in sequence to form a loop. The controller can control the start and stop of the first motor 3, the second motor 10 and the electric push rod 14 respectively.

[0028] Through the above structure, the utility model provides an easily adjustable CNC mechanical steel bar bending, cutting and straightening machine which can clamp and control the steel bar to move to the right according to the length requirement, and then bend the steel bar, replacing manual control of the steel bar, improving the bending efficiency of the steel bar, and at the same time avoiding hands from being scratched by the steel bar, improving the safety of the use of the device, and can also resist the steel bar to avoid large deformation of the steel bar during the bending process. When used specifically, a steel bar to be bent is placed flat on the working disc 5 and the right end of the steel bar is located between the center pin 8 and the bending pin 9, the electric push rod 14 is controlled to extend, and the electric push rod 14 pushes the slide plate 15 to move forward until the driven wheel 17 contacts the steel bar. At this time, the baffle 22 just contacts the steel bar, and the first motor 3 is controlled to rotate forward, and the first motor 3 drives the first rotating shaft 4 to rotate, and the first rotating shaft 4 drives the working disc 5 and the bending pin 9 The bending pin 9 rotates, thereby causing the bending pin 9 to bend the steel bar. After bending, the first motor 3 drives the bending pin 9 to return to the initial state. If the steel bar only needs to be bent once, the electric push rod 14 is controlled to retract, the clamping and fixation of the steel bar is released, and the steel bar can be taken out. If the steel bar needs to be bent multiple times, the value is input on the controller according to the distance of the next play, and the controller controls the second motor 10 to rotate, and the second motor 10 drives the driving wheel 12 to rotate. When the driving wheel 12 controls the steel bar to move to the right to the specified distance, the second motor 10 automatically shuts down and controls the first motor 3 to run. The first motor 3 controls the bending pin 9 to bend the steel bar again. Repeat the above operation to bend the steel bar. The process is simple and mastered, and the bending length of the steel bar can be effectively controlled to reduce the deformation of the steel bar.

[0029] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope recorded in the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A CNC mechanical steel bar bending, cutting and straightening machine that is easy to adjust, characterized by: The invention comprises a box (1), a mounting plate (2), a first motor (3), a first rotating shaft (4), a working disc (5), a center hole (6), eight positioning holes (7), a center pin (8), a bending pin (9) and a feeding device, wherein the mounting plate (2) is fixedly mounted in the box (1), the first motor (3) is fixedly mounted on the top of the mounting plate (2), the first rotating shaft (4) is fixedly mounted on the output shaft end of the first motor (3), the top end of the first rotating shaft (4) extends outside the box (1), the working disc (5) is fixedly mounted on the top end of the first rotating shaft (4), the working disc (5) is provided with a center hole (6) located at the center position of the circle and eight positioning holes (7) distributed in a circular array, the center pin (8) is slidably mounted in the center hole (6), the bending pin (9) is slidably mounted in the corresponding positioning holes (7), and the feeding device is arranged on the box (1), and the feeding device is used to control the advancement of the steel bars; The feeding device comprises a second motor (10), a second rotating shaft (11) and a driving wheel (12); the second motor (10) is fixedly mounted on the top of the mounting plate (2) and located on the left side of the first motor (3); the second rotating shaft (11) is fixedly mounted on the output shaft end of the second motor (10); the top end of the second rotating shaft (11) extends outside the box (1); and the driving wheel (12) is fixedly sleeved on the top end of the second rotating shaft (11); The feeding device also includes a fixed plate (13), an electric push rod (14), a slide plate (15), a third rotating shaft (16) and a driven wheel (17), wherein the fixed plate (13) is fixedly mounted on the top of the box body (1), the electric push rod (14) is fixedly mounted on the front side of the fixed plate (13), the slide plate (15) is fixedly mounted on the output shaft end of the electric push rod (14), the third rotating shaft (16) is rotatably mounted on the top of the slide plate (15), and the driven wheel (17) is fixedly sleeved on the top of the third rotating shaft (16).

2. The easily adjustable CNC mechanical steel bar bending, cutting and straightening machine according to claim 1, characterized in that: The top of the box body (1) is provided with a guide groove (18) located in front of the fixing plate (13), and the bottom of the slide plate (15) is slidably mounted in the guide groove (18).

3. The easily adjustable CNC mechanical steel bar bending, cutting and straightening machine according to claim 1, characterized in that: The annular side surfaces of the driving wheel (12) and the driven wheel (17) are both provided with arc-shaped slots (19), the two arc-shaped slots (19) are equal in size and flush in height, and a rubber cushion layer (20) is fixedly mounted on the two arc-shaped slots (19).

4. The easily adjustable CNC mechanical steel bar bending, cutting and straightening machine according to claim 2, characterized in that: A vertical plate (21) located on the right side of the driven wheel (17) is fixedly mounted on the top of the slide plate (15), a baffle (22) is fixedly mounted on the front side of the vertical plate (21), and the contact surface of the driven wheel (17) and the steel bar is flush with the front side surface of the baffle (22).

5. The easily adjustable CNC mechanical steel bar bending, cutting and straightening machine according to claim 1, characterized in that: Four universal wheels (23) are rotatably mounted on the top of the box (1) and are symmetrically distributed in pairs. An inspection opening is provided on the front side of the box (1). An inspection door (24) is rotatably mounted on the inspection opening via a hinge. An observation window (25) is provided on the inspection door (24). A handle (26) is fixedly mounted on the inspection door (24) and is located on the right side of the observation window (25).

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