Positioner for pipe bending device

Abstract

The utility model discloses a positioner for a pipe bending device in the technical field of pipe bending machines, which comprises a placing table and a pipe bending device, the placing table is fixedly connected with a mounting plate, the placing table is provided with a stroke groove, the mounting plate is fixedly provided with a motor, the output end of the motor is fixedly connected with a lead screw, and the lead screw is fixedly connected with the stroke groove. A positioning seat is connected to the placing table in a sliding mode, a pressing plate is arranged on the positioning seat, clamping assemblies are arranged on the positioning seat and the pressing plate, and a positioning plate is connected to the positioning seat in a sliding mode. Through the arrangement of the positioning plate and the pressing plate, when the electric heating tube bending device is used, the electric heating tube is jacked on the positioning plate, the pressing plate is pressed downwards, the movable clamping jaw is driven to clamp the electric heating tube, meanwhile, the positioning plate is synchronously driven to move backwards, after the electric heating tube is positioned and clamped, the positioning plate is moved backwards at the same time, and friction is prevented during bending; the positioning precision of the positioning plate is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe bender technical field especially relates to a kind of positioner for pipe bender. BACKGROUND

[0002] As a common heating element, electric heating tubes are widely used in household appliances, industrial equipment, medical instruments and other fields. In the production process, electric heating tubes usually need to be bent according to specific application scenarios to meet different installation and use requirements. The precision of the bending process directly affects the performance and service life of the electric heating tube. When bending the electric heating tube, the traditional pipe bender usually uses a fixed positioner to clamp and position the electric heating tube to ensure the accuracy of the bending angle.

[0003] However, the existing technology has some problems: during actual operation, the electric heating tube will deviate during bending, and since the electric heating tube is in a state of adhesion with the positioner, such angular deviation will cause forced friction with the positioner, causing damage to the adhesion surface of the positioning plate, and long-term use will cause a decrease in positioning accuracy, thereby affecting product quality. Therefore, we propose a positioner for pipe bender. SUMMARY

[0004] To overcome the shortcomings of the prior art, the utility model provides a positioner for pipe bender, which realizes clamping of the electric heating tube after positioning by setting a positioning plate and a pressing plate, and moves the positioning plate backward to prevent friction during bending, thereby ensuring the positioning accuracy of the positioning plate.

[0005] When bending the electric heating tube, the electric heating tube is placed on the positioning plate, and the pressing plate is pressed to clamp the electric heating tube. At the same time, the pressing plate drives the positioning plate to move backward through screw transmission, forming a gap between the positioning plate and the electric heating tube, avoiding direct friction and wear of the positioning plate caused by angular change of the electric heating tube during bending, thereby maintaining positioning accuracy, prolonging the service life of the positioning plate, and reducing maintenance costs.

[0006] The utility model aims at realizing a positioner for pipe bender, which includes a placement table, is installed in pipe bender, fixedly connected with mounting plate on the placement table, is equipped with stroke slot on the placement table, fixedly installed with motor on the mounting plate, fixedly connected with lead screw on the output end of motor, slidingly connected with positioning seat on the placement table, is equipped with pressing plate on the positioning seat, is equipped with clamping assembly on the positioning seat and pressing plate, slidingly connected with positioning plate on the positioning seat, and the positioning plate and pressing plate are cooperatively arranged.

[0007] Optionally, the lower end of the positioning seat is provided with a sliding block, the sliding block is slidingly connected with the stroke slot, the sliding block is threadedly connected with the lead screw, the positioning seat is provided with a claw slot, and the positioning seat is provided with a sliding slot.

[0008] Optionally, a handle is fixedly connected to the pressing plate, a guide rod is arranged between the pressing plate and the positioning seat, one end of the guide rod is fixedly connected to the positioning seat, the guide rod is slidably connected to the pressing plate, a first screw rod is rotatably connected to the positioning seat, and the first screw rod is threadedly connected to the pressing plate.

[0009] Optionally, the positioning plate is slidably connected to the sliding groove, a baffle is fixedly connected to the positioning seat, a second screw rod is rotatably connected to the baffle, and the second screw rod is threadedly connected to the positioning plate.

[0010] Optionally, a driving bevel gear is arranged on the first screw rod, a driven bevel gear is arranged on the second screw rod, and the driving bevel gear is engaged with the driven bevel gear.

[0011] Optionally, the clamping assembly comprises a movable clamping jaw, the movable clamping jaw is slidably connected to the jaw groove, a bidirectional screw rod is threadedly connected to the movable clamping jaw, the movable clamping jaw is adjusted in clamping range by the bidirectional screw rod, a transmission box is arranged on the positioning seat, a gear set is arranged in the transmission box, a knob is fixedly connected to an input end of the gear set, and an output end of the gear set is fixedly connected to the bidirectional screw rod.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. By arranging the positioning plate and the pressing plate, the electric heating pipe is positioned on the positioning plate during use, the pressing plate is pressed down, the pressing plate is guided to move downward by the guide rod and the first screw rod, meanwhile, the pressing plate drives the movable clamping jaw to clamp the electric heating pipe, the pressing plate moves downward to drive the first screw rod to rotate through the thread, thereby driving the second screw rod to rotate through the driving bevel gear, thereby synchronously driving the positioning plate to move backward, the electric heating pipe is clamped while the positioning plate moves backward after positioning, friction is prevented during bending, the positioning accuracy of the positioning plate is ensured, and the service life of the positioner is prolonged.

[0014] 2. The flexibility of the positioner is improved by arranging the motor and the movable clamping jaw, the position of the positioning seat can be adjusted by the lead screw and the sliding block, the clamping range of the movable clamping jaw can be adjusted by the bidirectional screw rod, and different specifications of the electric heating pipe or other pipe fittings can be clamped and positioned. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only the embodiments of the utility model, and other drawings can be obtained by the provided drawings without creative labor for the ordinary skilled in the art.

[0016] Figure 1 is a schematic diagram of the overall structure provided by the utility model.

[0017] Figure 2 is a schematic diagram of the placement table structure provided by the utility model.

[0018] Figure 3 is a schematic diagram of the positioning seat structure provided by the utility model.

[0019] Figure 4 is a schematic diagram of the clamping assembly structure provided by the utility model.

[0020] Figure 5 is a schematic diagram of the movable clamping jaw structure provided by the utility model.

[0021] In the figure: 1, placement table; 11, mounting plate; 12, stroke groove; 13, motor; 14, lead screw; 2, positioning seat; 21, sliding block; 22, jaw groove; 23, sliding groove; 3, pressing plate; 31, handle; 32, guide rod; 33, first screw; 34, driving bevel gear; 4, clamping assembly; 41, movable clamping jaw; 42, bidirectional screw; 43, transmission box; 44, knob; 45, gear set; 5, positioning plate; 51, baffle; 52, second screw; 53, driven bevel gear. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] As Figures 1 to 5 shown in a kind of bender device positioner, including placement table 1, is installed in bender device, placement table 1 is fixedly connected with mounting plate 11, placement table 1 is opened with stroke groove 12, mounting plate 11 is fixedly installed with motor 13, the output end of motor 13 is fixedly connected with lead screw 14, placement table 1 is slidably connected with positioning seat 2, positioning seat 2 is provided with pressing plate 3, positioning seat 2 and pressing plate 3 are all provided with clamping assembly 4, positioning plate 5 is slidably connected on positioning seat 2, positioning plate 5 is cooperatively arranged with pressing plate 3.

[0024] Further, the positioning seat 2 is driven to slide in the placement table 1 by the motor 13 driving the lead screw 14, so that the movement of the positioning seat 2 is more accurate, and the position can be adjusted according to the bending requirement of the electric heating pipe, thereby improving the accuracy and adaptability of positioning. Secondly, the positioning seat 2 and the pressing plate 3 are provided with clamping assemblies 4, which can stably clamp the electric heating pipe to prevent the electric heating pipe from shifting or loosening during the bending process, ensure the consistency of the bending angle, and improve the product quality.

[0025] In addition, the positioning plate 5 is arranged in cooperation with the pressing plate 3, so that the position of the positioning plate 5 can be adjusted during clamping, thereby avoiding direct friction and wear of the positioning plate 5 caused by the angle change of the electric heating pipe during bending, prolonging the service life of the positioner, and reducing the maintenance cost.

[0026] Specifically, the lower end of the positioning seat 2 is provided with a sliding block 21, the sliding block 21 is in sliding connection with the stroke groove 12, the sliding block 21 is in threaded connection with the lead screw 14, the positioning seat 2 is provided with a claw groove 22, and the positioning seat 2 is provided with a sliding groove 23.

[0027] Further, the sliding block 21 is arranged in correspondence with the stroke groove 12, one end of the lead screw 14 is fixedly connected with the output end of the motor 13 through a connecting shaft, the other end of the lead screw 14 is rotatably connected with a bearing seat, and the bearing seat is fixedly connected with the placement table 1, so as to ensure stable operation of the lead screw 14.

[0028] Specifically, the pressing plate 3 is fixedly connected with a handle 31, a guide rod 32 is arranged between the pressing plate 3 and the positioning seat 2, one end of the guide rod 32 is fixedly connected with the positioning seat 2, the guide rod 32 is in sliding connection with the pressing plate 3, the positioning seat 2 is rotatably connected with a first screw rod 33, and the first screw rod 33 is in threaded connection with the pressing plate 3.

[0029] Further, the lower end of the guide rod 32 is fixedly connected with the positioning seat 2, the lower end of the first screw rod 33 is rotatably connected with the positioning seat 2, the number of the guide rod 32 and the first screw rod 33 is two, and they are symmetrically distributed, so that the four rod members guide and connect the pressing plate 3, and the top ends of the guide rod 32 and the first screw rod 33 are provided with detachable stop blocks for limiting the pressing plate 3.

[0030] Specifically, the positioning plate 5 is in sliding connection with the sliding groove 23, the positioning seat 2 is fixedly connected with a baffle 51, the baffle 51 is rotatably connected with a second screw rod 52, and the second screw rod 52 is in threaded connection with the positioning plate 5.

[0031] Specifically, the first screw rod 33 is provided with a driving bevel gear 34, the second screw rod 52 is provided with a driven bevel gear 53, and the driving bevel gear 34 is in meshing connection with the driven bevel gear 53.

[0032] Further, the positioning plate 5 slides in the sliding groove 23, the length of the sliding groove 23 is the stroke of the positioning plate 5, when the pressing plate 3 is pressed down, the pressing plate 3 can drive the first screw rod 33 to rotate through the thread, thereby driving the driving bevel gear 34 to rotate, the driving bevel gear 34 is meshed with the driven bevel gear 53 to drive the second screw rod 52 to rotate, and then the second screw rod 52 drives the positioning plate 5 to slide in the sliding groove 23 through the thread transmission, thereby realizing the synchronous movement of clamping and moving back of the positioning plate 5.

[0033] It should be noted that the installation of the first screw rod 33 and the guide rod 32 needs to have sufficient verticality to prevent the pressing plate 3 from shaking when moving down due to unstable installation of the four rod members, in order to ensure the strength of the first screw rod 33 and the guide rod 32, the bottom of the first screw rod 33 and the guide rod 32 can be deeply inserted into the positioning seat 2, thereby strengthening the stability.

[0034] Specifically, the clamping assembly 4 includes a movable clamping jaw 41, the movable clamping jaw 41 is slidably connected with the jaw groove 22, a bidirectional screw rod 42 is threadedly connected to the movable clamping jaw 41, the movable clamping jaw 41 adjusts the clamping range through the bidirectional screw rod 42, the positioning seat 2 is provided with a transmission box 43, the transmission box 43 is provided with a gear set 45, the input end of the gear set 45 is fixedly connected with a knob 44, and the output end of the gear set 45 is fixedly connected with the bidirectional screw rod 42.

[0035] Further, the bidirectional screw rod 42 adjusts the clamping range of the movable clamping jaw 41, which can adapt to electric heating pipes of different sizes and improve the versatility and practicality of the equipment.

[0036] Working principle: when in use, the electric heating pipe is placed on the positioning plate 5, the pressing plate 3 is pressed down, the pressing plate 3 moves down through the guide of the guide rod 32 and the first screw rod 33, at the same time, the pressing plate 3 drives the movable clamping jaw 41 to clamp the electric heating pipe, the pressing plate 3 drives the first screw rod 33 to rotate through the thread, thereby driving the second screw rod 52 to rotate through the driving bevel gear 34, thereby synchronously driving the positioning plate 5 to move back, realizing clamping of the electric heating pipe after positioning, moving back of the positioning plate 5, preventing friction during bending, thereby ensuring the positioning accuracy of the positioning plate 5 and prolonging the service life of the positioner.

[0037] The above embodiments are only used to help understand the method and its core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A positioner for a pipe bending apparatus comprising a placement table (1) installed in the pipe bending apparatus, characterized in that: The placing table (1) is fixedly connected with a mounting plate (11), the placing table (1) is provided with a stroke slot (12), the mounting plate (11) is fixedly provided with a motor (13), the output end of the motor (13) is fixedly connected with a lead screw (14), the placing table (1) is slidably connected with a positioning seat (2), the positioning seat (2) is provided with a pressing plate (3), the positioning seat (2) and the pressing plate (3) are provided with clamping assemblies (4), the positioning seat (2) is slidably connected with a positioning plate (5), and the positioning plate (5) and the pressing plate (3) are arranged in a matched mode.

2. A positioner for a tube bending apparatus according to claim 1, wherein: The lower end of the positioning seat (2) is provided with a sliding block (21), the sliding block (21) is slidably connected with the stroke slot (12), the sliding block (21) is threadedly connected with the lead screw (14), the positioning seat (2) is provided with a claw slot (22), and the positioning seat (2) is provided with a sliding slot (23).

3. A positioner for a tube bending apparatus as defined in claim 1, wherein: The pressing plate (3) is fixedly connected with a handle (31), the pressing plate (3) and the positioning seat (2) are provided with a guide rod (32), one end of the guide rod (32) is fixedly connected with the positioning seat (2), the guide rod (32) is slidably connected with the pressing plate (3), and the positioning seat (2) is rotatably connected with a first screw rod (33).

4. A positioner for a tube bending apparatus according to claim 3, wherein: The positioning plate (5) is slidably connected with the sliding slot (23), the positioning seat (2) is fixedly connected with a baffle (51), the baffle (51) is rotatably connected with a second screw rod (52), and the second screw rod (52) is threadedly connected with the positioning plate (5).

5. A positioner for a tube bending apparatus as defined in claim 4, wherein: The first screw rod (33) is provided with a driving bevel gear (34), the second screw rod (52) is provided with a driven bevel gear (53), and the driving bevel gear (34) is meshed with the driven bevel gear (53).

6. A positioner for a tube bending apparatus as defined in claim 1, wherein: The clamping assembly (4) comprises a movable clamping jaw (41), the movable clamping jaw (41) is slidably connected with the claw slot (22), the movable clamping jaw (41) is threadedly connected with a bidirectional screw rod (42), the movable clamping jaw (41) is adjusted in clamping range through the bidirectional screw rod (42), the positioning seat (2) is provided with a transmission box (43), the transmission box (43) is provided with a gear set (45), the input end of the gear set (45) is fixedly connected with a knob (44), and the output end of the gear set (45) is fixedly connected with the bidirectional screw rod (42).

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