Arc bending positioning device of arc bending machine

Abstract

The utility model discloses an arc bending positioning device of an arc bending machine, which comprises a rack, a mounting circular groove is formed in the right side of the top end of the rack, and a fluted disc is rotatably mounted at the bottom end of the mounting circular groove; when the device is used, firstly, a rotating disc can be rotated to enable two sets of clamping plates to clamp and fix a reinforcing steel bar, the influence on the arc bending precision caused by the shaking of the reinforcing steel bar in the arc bending process is reduced, then a first rotating head can be rotated to drive a positioning and adjusting mechanism to operate, and the arc bending precision is improved. According to the arc bending machine, the position of a limiting shaft is adjusted, so that the arc angle machined by the arc bending machine can be adjusted more accurately, a positioning adjusting mechanism is more stable through the self-locking property of a worm and gear, and then before a motor is started for machining, a second rotating head can be rotated to drive an extrusion plate to exert the pressing effect on the right end of a reinforcing steel bar; and the risk that the steel bar is broken and bounced due to the quality problem in the arc bending process to cause harm is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of arc bending machines, in particular to an arc bending positioning device for arc bending machines. Background Art

[0002] Arc bending machine is a kind of equipment that can be used to process steel bars. It can bend straight steel bars into the required arc. However, many existing arc bending machines, when bending steel bars, replace the parts for adjusting the bending arc by screwing the screw, which is not only time-consuming and labor-intensive, but also the accuracy of the adjusted bending arc is limited.

[0003] Therefore, the utility model provides an arc bending positioning device for an arc bending machine to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an arc bending positioning device for an arc bending machine, which solves the above problems.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an arc bending machine arc positioning device, comprising a frame, a mounting circular groove is opened on the right side of the top of the frame, a gear disc is rotatably installed on the bottom end of the mounting circular groove, a trapezoidal table is fixedly installed on the top of the gear disc, a fixed shaft is fixedly installed on the top of the trapezoidal table, a positioning adjustment mechanism is installed on the trapezoidal table, the positioning adjustment mechanism comprises a first slide groove, a first slider, a first rotating shaft, an external thread and a limiting shaft, a first slide groove is opened on the top of the trapezoidal table, a first slider is slidably installed inside the first slide groove, a first rotating shaft is rotatably installed inside the first slide groove, an external thread is opened on the left outer wall of the first rotating shaft, the first slider is threadedly connected to the external thread, and a limiting shaft is fixedly installed on the top of the first slider.

[0006] Preferably, the positioning and adjustment mechanism also includes a worm wheel, a support plate, a worm and a first rotating head, a worm wheel is fixedly installed on the right side of the first rotating shaft, a support plate is symmetrically fixedly installed on the top end of the trapezoidal cone and located on the right side of the first slide groove, a worm is rotatably installed between the two groups of support plates, the worm wheel is meshingly connected to the worm, and a first rotating head is fixedly installed on the front end of the worm.

[0007] Preferably, a notch is provided at the bottom left end of the mounting circular groove, a motor is fixedly mounted at the bottom end of the frame, a driving shaft is fixedly connected to the output end of the motor, the top end of the driving shaft is rotatably connected to the bottom end of the frame, a gear is fixedly mounted on the driving shaft, and the gear is meshed with the gear disk through the notch.

[0008] Preferably, a threaded rod is vertically rotatably installed at the middle position of the top end of the limiting shaft, a second rotating head is fixedly installed at the top end of the threaded rod, a mounting circular plate is threadedly connected to the threaded rod, second sliding grooves are symmetrically and vertically opened on the outer walls on both sides of the limiting shaft, connecting rods are slidably installed inside the two groups of the second sliding grooves, an extrusion plate is slidably installed on the limiting shaft, and the bottom ends of the two groups of the connecting rods are fixedly connected to the top end of the extrusion plate.

[0009] Preferably, two groups of third slide grooves are opened in parallel on the left side of the top end of the frame, and two-way screw rods are slidably installed in the two groups of third slide grooves, and a second slider is symmetrically slidably installed in each group of the third slide grooves, and each group of the second sliders is threadedly connected to the two-way screw rods at corresponding positions, and a clamping plate is fixedly installed on the two groups of the second sliders at the same end, and the rear ends of the two groups of the two-way screw rods extend to the outside of the frame and are fixedly installed with pulleys, a belt is installed between the two groups of the pulleys, and is connected through the belt transmission, and the front end of one group of the two-way screw rods extends to the outside of the front end of the frame and is fixedly installed with a rotating disk.

[0010] Preferably, anti-slip pads are fixedly mounted on the outer walls of the ends of the two groups of clamps that are close to each other.

[0011] Beneficial Effects

[0012] The utility model provides an arc bending positioning device for an arc bending machine. Compared with the prior art, it has the following advantages:

[0013] Beneficial effects:

[0014] When using this device, first, you can rotate the rotating disk so that the two groups of clamps can clamp and fix the steel bars, reducing the impact of the shaking of the steel bars on the bending accuracy during the bending process. Then, you can rotate the first rotating head to drive the positioning adjustment mechanism to operate, thereby adjusting the position of the limit axis, so that you can more accurately adjust the arc angle of the bending machine. The self-locking nature of the worm gear itself makes the positioning adjustment mechanism more stable. Then, before starting the motor processing, you can rotate the second rotating head to drive the extrusion plate to pressurize the right end of the steel bar, reducing the risk of the steel bar breaking and bouncing due to quality problems during the bending process, thereby causing harm. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 This utility model Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This utility model Figure 2 The enlarged structural diagram at B in the middle;

[0019] Figure 5 It is a rear view structural schematic diagram of the utility model.

[0020] In the figure, 1 is a frame; 2 is a mounting circular groove; 3 is a toothed disc; 4 is a trapezoidal cone; 5 is a notch; 6 is a motor; 7 is a driving shaft; 8 is a gear; 9 is a fixed shaft; 10 is a first slide groove; 11 is a first slider; 12 is a first rotating shaft; 13 is an external thread; 14 is a limit shaft; 15 is a worm gear; 16 is a support plate; 17 is a worm; 18 is a first rotating head; 19 is a threaded rod; 20 is a second rotating head; 21 is a mounting circular plate; 22 is a connecting rod; 23 is a second slide groove; 24 is a squeeze plate; 25 is a third slide groove; 26 is a bidirectional screw rod; 27 is a second slider; 28 is a clamping plate; 29 is an anti-slip pad; 30 is a rotating disk; 31 is a pulley; 32 is a belt. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1:

[0023] See also Figure 1-5, an arc bending positioning device for an arc bending machine comprises a frame 1, a mounting circular groove 2 is opened on the right side of the top of the frame 1, a gear disc 3 is rotatably installed at the bottom of the mounting circular groove 2, a trapezoidal round table 4 is fixedly installed on the top of the gear disc 3, a fixed shaft 9 is fixedly installed on the top of the trapezoidal round table 4, a positioning and adjustment mechanism is installed on the trapezoidal round table 4, the positioning and adjustment mechanism comprises a first slide groove 10, a first slider 11, a first rotating shaft 12, an external thread 13 and a limiting shaft 14, a first slide groove 10 is opened on the top of the trapezoidal round table 4, a first slide groove 10 is slidably installed inside the first slide groove 10, a first rotating shaft 12 is rotatably installed inside the first slide groove 10, an external thread 13 is opened on the left outer wall of the first rotating shaft 12, the first slider 11 is threadedly connected with the external thread 13, a limiting shaft 14 is fixedly installed on the top of the first slider 11, the positioning and adjustment mechanism also comprises a worm gear 15, a support plate 16, a worm 17 and a first rotating head 18, a worm gear 15 is fixedly installed on the right side of the first rotating shaft 12, and the top of the trapezoidal round table 4 is located at A support plate 16 is symmetrically fixedly installed on the right side of the first slide groove 10, a worm 17 is rotatably installed between the two groups of support plates 16, the worm wheel 15 is meshed with the worm 17, and a first rotating head 18 is fixedly installed at the front end of the worm 17. A notch 5 is provided at the bottom end of the left side of the mounting circular groove 2, a motor 6 is fixedly installed at the bottom end of the frame 1, a driving shaft 7 is fixedly connected to the output end of the motor 6, the top of the driving shaft 7 is rotatably connected to the bottom end of the frame 1, a gear 8 is fixedly installed on the driving shaft 7, and the gear 8 is meshed with the toothed disc 3 through the notch 5, a threaded rod 19 is vertically rotatably installed at the middle position of the top of the limit shaft 14, a second rotating head 20 is fixedly installed on the top of the threaded rod 19, and a mounting circular plate 21 is threadedly connected to the threaded rod 19, and second slide grooves 23 are symmetrically and vertically provided on the outer walls on both sides of the limit shaft 14, connecting rods 22 are slidably installed inside the two groups of second slides 23, and an extrusion plate 24 is slidably installed on the limit shaft 14, and the bottom ends of the two groups of connecting rods 22 are fixedly connected to the top of the extrusion plate 24.

[0024] When using the present device, the staff can firstly drive the worm 17 to rotate by rotating the first rotating head 18. Since the worm 17 is meshedly connected with the worm wheel 15 fixedly mounted on the first rotating shaft 12, the first rotating shaft 12 can be synchronously driven to rotate, so that the limit shaft 14 can be driven to move, thereby being able to more accurately adjust the arc angle processed by the arc bending machine. The self-locking property of the worm wheel 15 and the worm 17 makes the arc adjustment of the present device more stable. Then the staff can drive the threaded rod 19 to rotate by rotating the second rotating head 20, thereby driving the extrusion plate 24 to move downward, so that the right end of the steel bar can be pressurized, thereby reducing the risk of the steel bar breaking and bouncing due to quality problems during the bending process, thereby causing harm.

[0025] Embodiment 2:

[0026] See also Figure 1-5, this embodiment provides a technical solution based on the first embodiment: two groups of third slide grooves 25 are opened in parallel on the left side of the top of the frame 1, and two-way screw rods 26 are slidably installed inside the two groups of third slide grooves 25, and second sliders 27 are symmetrically slidably installed inside each group of third slide grooves 25, and each group of second sliders 27 is threadedly connected with the two-way screw rods 26 at the corresponding position, and clamps 28 are fixedly installed on the two groups of second sliders 27 at the same end, and the rear ends of the two groups of two-way screw rods 26 extend to the outside of the frame 1, and are fixedly installed with pulleys 31, and a belt 32 is installed between the two groups of pulleys 31, and the transmission connection is connected by the belt 32, and the front end of one group of two-way screw rods 26 extends to the outside of the front end of the frame 1, and a rotating disk 30 is fixedly installed, and an anti-slip pad 29 is fixedly installed on the outer wall of the end where the two groups of clamps 28 are close to each other.

[0027] Before the device is used to bend the steel bars, the staff can rotate the rotating disk 30 to drive the bidirectional screw rod 26 to rotate. Because the pulleys 31 fixedly installed on the two sets of bidirectional screw rods 26 are connected by a belt 32, the two sets of bidirectional screw rods 26 can be driven to rotate synchronously, so that the two sets of clamping plates 28 can be driven to clamp and fix the steel bars, reducing the influence of the shaking of the steel bars on the bending accuracy during the bending process.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An arc bending positioning device for an arc bending machine, comprising a frame (1), characterized in that: The frame (1) is provided with a mounting groove (2) on the right side of the top end, a toothed disc (3) is rotatably mounted on the bottom end of the mounting groove (2), a trapezoidal table (4) is fixedly mounted on the top end of the toothed disc (3), a fixed shaft (9) is fixedly mounted on the top end of the trapezoidal table (4), a positioning adjustment mechanism is mounted on the trapezoidal table (4), the positioning adjustment mechanism comprises a first slide groove (10), a first slider (11), a first rotating shaft (12), an external thread (13) and a limiting shaft (14), a first slide groove (10) is provided on the top end of the trapezoidal table (4), a first slider (11) is slidably mounted inside the first slide groove (10), a first rotating shaft (12) is rotatably mounted inside the first slide groove (10), an external thread (13) is provided on the left outer wall of the first rotating shaft (12), the first slider (11) is threadedly connected to the external thread (13), and a limiting shaft (14) is fixedly mounted on the top end of the first slider (11).

2. The arc bending positioning device of an arc bending machine according to claim 1, characterized in that: The positioning and adjusting mechanism further comprises a worm wheel (15), a support plate (16), a worm (17) and a first rotating head (18); the worm wheel (15) is fixedly mounted on the right side of the first rotating shaft (12); the top end of the trapezoidal truncated cone (4) is symmetrically fixedly mounted on the right side of the first sliding groove (10); a worm (17) is rotatably mounted between two groups of the support plates (16); the worm wheel (15) is meshingly connected with the worm (17); and the first rotating head (18) is fixedly mounted on the front end of the worm (17).

3. The arc bending positioning device of an arc bending machine according to claim 1, characterized in that: A notch (5) is provided at the bottom left end of the mounting circular groove (2); a motor (6) is fixedly mounted at the bottom end of the frame (1); a driving shaft (7) is fixedly connected to the output end of the motor (6); the top end of the driving shaft (7) is rotatably connected to the bottom end of the frame (1); a gear (8) is fixedly mounted on the driving shaft (7); and the gear (8) is meshedly connected to the toothed disc (3) through the notch (5).

4. The arc bending positioning device of an arc bending machine according to claim 1, characterized in that: A threaded rod (19) is vertically rotatably installed at the middle position of the top end of the limiting shaft (14), a second rotating head (20) is fixedly installed at the top end of the threaded rod (19), a mounting circular plate (21) is threadedly connected to the threaded rod (19), second sliding grooves (23) are symmetrically vertically opened on the outer walls of both sides of the limiting shaft (14), connecting rods (22) are slidably installed inside the two groups of the second sliding grooves (23), an extrusion plate (24) is slidably installed on the limiting shaft (14), and the bottom ends of the two groups of the connecting rods (22) are fixedly connected to the top end of the extrusion plate (24).

5. The arc bending positioning device of an arc bending machine according to claim 1, characterized in that: Two groups of third slide grooves (25) are parallelly opened on the left side of the top of the frame (1), and a bidirectional screw rod (26) is slidably installed inside the two groups of third slide grooves (25). A second slider (27) is symmetrically slidably installed inside each group of the third slide grooves (25). Each group of the second sliders (27) is threadedly connected to the bidirectional screw rod (26) at a corresponding position. A clamping plate (28) is fixedly installed on the two groups of the second sliders (27) at the same end. The rear ends of the two groups of bidirectional screw rods (26) extend to the outside of the frame (1) and are fixedly installed with pulleys (31). A belt (32) is installed between the two groups of the pulleys (31) and they are connected by transmission through the belt (32). The front end of one group of the bidirectional screw rods (26) extends to the outside of the front end of the frame (1) and is fixedly installed with a rotating disk (30).

6. The arc bending positioning device of an arc bending machine according to claim 5, characterized in that: An anti-slip pad (29) is fixedly mounted on the outer walls of the ends of the two groups of clamping plates (28) that are close to each other.

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