Pipe bending device for PVC pipe machining

Abstract

The utility model discloses a PVC pipe processing and bending device which comprises a workbench, a heating rod is arranged in a fixed roller, a pipe bending mechanism is arranged in the workbench, the pipe bending mechanism comprises driving rods, a plurality of adjusting grooves are formed in the outer wall of the workbench at equal intervals, and the driving rods are connected with inner cavities of the adjusting grooves in a rotating and penetrating mode respectively; the plurality of sliding blocks and the plurality of driving rods form lead screw transmission respectively; the extrusion rollers are fixedly mounted on the outer walls of the sliding blocks; the synchronizing assembly is arranged among the plurality of driving rods; and the rotating assembly is arranged at the top end of one driving rod. By means of the arrangement mode that the heating rod is matched with the pipe bending mechanism, bending work can be formed at a time, PVC pipes of various models can be fixed by adjusting the distance between the fixing roller and the extrusion roller, meanwhile, the PVC pipes of various models can be bent without preparing springs, and practicability of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to pipe bending devices, in particular to a pipe bending device for processing PVC pipes. Background Art

[0002] PVC pipe refers to a kind of pipe made of PVC as the main material and other reinforcing materials. It has the advantages of good tensile resistance and corrosion resistance. The PVC pipe is straight after molding, and a pipe bending device will be used to bend it when in use.

[0003] The most commonly used method for bending PVC pipes is generally to insert a spring into the PVC pipe, insert it to the appropriate position and then bend it manually. However, this method cannot control the angle well after bending. After bending, the pipe will rebound to a certain angle, so multiple operations are required to bend it to the required angle. Different types of springs are required to bend different PVC pipes. Therefore, multiple springs need to be prepared when bending, which is more troublesome to use. Utility Model Content

[0004] The utility model aims to provide a PVC pipe processing bending device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVC pipe processing bending device, comprising a workbench, one side of which is provided with a fixed roller;

[0006] A heating rod is arranged inside the fixed roller, and a pipe bending mechanism is arranged inside the workbench, and the pipe bending mechanism comprises:

[0007] A driving rod, wherein the outer wall of the workbench is provided with a plurality of adjusting grooves at equal intervals, and the plurality of driving rods are respectively rotatably interlaced with the inner cavities of the plurality of adjusting grooves;

[0008] A slider, wherein a plurality of the sliders respectively form a lead screw transmission with a plurality of driving rods;

[0009] A squeezing roller, wherein the squeezing roller is fixedly mounted on the outer wall of the slider, and a plurality of the squeezing rollers cooperate with the fixed roller;

[0010] A synchronization assembly, wherein the synchronization assembly is disposed between the plurality of driving rods;

[0011] A rotating assembly is arranged at the top end of one of the driving rods.

[0012] Preferably, the synchronization component includes:

[0013] A synchronous wheel, wherein a synchronous groove is provided inside the workbench, and the plurality of driving rods are rotatably interlaced with the inner cavity of the synchronous groove, and the plurality of synchronous wheels are respectively fixedly interlaced with the plurality of driving rods;

[0014] A synchronous belt is arranged between a plurality of synchronous wheels.

[0015] Preferably, the opposite sides of the plurality of sliding blocks are fixedly connected with limiting blocks, the opposite sides of the inner walls of the plurality of adjusting grooves are provided with limiting grooves, and the limiting blocks are slidably and interlacedly connected with the inner cavities of the limiting grooves.

[0016] Preferably, the rotating assembly comprises:

[0017] A rotating plate, wherein the rotating plate is fixedly connected to the top end of one of the driving rods, a receiving groove is provided at the top end of the workbench, and the rotating plate is located inside the receiving groove;

[0018] A clamping rod, wherein a plurality of clamping grooves are provided inside the rotating plate, a plurality of clamping holes are provided on the inner wall of the receiving groove at equal intervals, one end of the clamping rod is slidably inserted and connected with the inner cavity of the clamping groove, and the other end of the clamping rod is slidably inserted and connected with the inner cavity of the clamping hole;

[0019] An extrusion plate, the extrusion plate is located inside the clamping groove, and the extrusion plate is fixedly inserted and connected with the clamping rod;

[0020] A compression spring is sleeved on the outside of the clamping rod.

[0021] Preferably, one end of the compression spring is fixedly connected to the extrusion plate, and the other end of the compression spring is fixedly connected to the inner wall of the clamping groove.

[0022] Preferably, a pull groove is provided at the top end of the rotating plate, and a plurality of pull plates are slidably inserted and connected inside the pull groove, and the plurality of pull plates are respectively fixedly connected to a plurality of clamping rods.

[0023] Technical effects and advantages of the utility model:

[0024] The utility model utilizes a setting mode in which a heating rod and a pipe bending mechanism are matched. The heating rod can heat the fixed roller. After the PVC pipe to be bent is heated, the personnel can slowly rotate the driving rod through the rotating component and stop rotating after reaching a suitable angle, so that the bending work can be completed in one step. By adjusting the distance between the fixed roller and the extrusion roller, various types of PVC pipes can be fixed. At the same time, various types of PVC pipes can be bent without preparing springs, which greatly increases the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0026] Figure 2 It is a schematic diagram of the overall front internal structure of the utility model.

[0027] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0028] Figure 4 This is a schematic diagram of the internal structure of the rotating component of the utility model from the front.

[0029] In the figure: 1. workbench; 2. fixed roller; 3. heating rod; 4. pipe bending mechanism; 41. driving rod; 42. slider; 43. extrusion roller; 44. synchronous assembly; 441. synchronous wheel; 442. synchronous belt; 45. rotating assembly; 451. rotating plate; 452. clamping rod; 453. extrusion plate; 454. compression spring; 5. limit block; 6. pull plate. DETAILED DESCRIPTION

[0030] 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.

[0031] The utility model provides Figure 1-4 A PVC pipe processing and bending device shown includes a workbench 1, and a fixed roller 2 is arranged on one side of the workbench 1;

[0032] Furthermore, a heating rod 3 is arranged inside the fixed roller 2, and the heating rod 3 is electrically connected to an external power supply through an external switch. The electric heating tube inside the heating rod 3 is made of metal material. When direct current passes through the electric heating tube, the electrical energy is converted into thermal energy due to the effect of resistance, so that the electric heating tube is heated, thereby gradually heating the fixed roller 2, and the PVC pipe can be heated. A pipe bending mechanism 4 is arranged inside the workbench 1, and the pipe bending mechanism 4 includes: a driving rod 41, a slider 42, an extrusion roller 43, a synchronization component 44 and a rotating component 45. The outer wall of the workbench 1 is equidistantly provided with a plurality of adjustment grooves, and the plurality of driving rods 41 are divided into The plurality of sliders 42 are respectively connected with the inner cavities of the plurality of adjustment grooves for rotation and insertion; the plurality of sliders 42 are respectively connected with the plurality of driving rods 41 to form a screw transmission; the squeezing roller 43 is fixedly installed on the outer wall of the slider 42, and the plurality of squeezing rollers 43 cooperate with the fixed roller 2. The slider 42 can be adjusted to move vertically inside the adjustment groove by rotating the driving rod 41, so that the plurality of squeezing rollers 43 can cooperate with the fixed roller 2 to bend the pipe; the synchronization component 44 is arranged between the plurality of driving rods 41, and is used to drive the plurality of driving rods 41 to rotate synchronously at the same time; the rotating component 45 is arranged at the top end of one of the driving rods 41.

[0033] Specifically, the synchronization component 44 includes: a synchronization wheel 441 and a synchronization belt 442. A synchronization groove is opened inside the workbench 1. Multiple drive rods 41 are rotatably interlaced with the inner cavity of the synchronization groove. Multiple synchronization wheels 441 are respectively fixedly interlaced with multiple drive rods 41; the synchronization belt 442 is arranged between multiple synchronization wheels 441, and one of the drive rods 41 is driven to rotate by the rotating component 45, and the other drive rod 41 can be driven to rotate synchronously by the synchronization wheel 441 and the synchronization belt 442, so that the heights of multiple sliders 42 can be adjusted at the same time.

[0034] Furthermore, the opposite sides of the multiple sliders 42 are fixedly connected to the limiting blocks 5, and the opposite sides of the inner walls of the multiple adjustment grooves are provided with limiting grooves. The limiting blocks 5 are slidably and interlaced with the inner cavities of the limiting grooves. The limiting blocks 5 play a limiting role on the sliders 42, so that when the driving rod 41 rotates in the forward and reverse directions, the sliders 42 can only move along the limiting grooves.

[0035] Specifically, the rotating assembly 45 includes: a rotating plate 451, a clamping rod 452, an extrusion plate 453 and a compression spring 454. The rotating plate 451 is fixedly connected to the top end of one of the driving rods 41. A storage groove is provided at the top end of the workbench 1, and the rotating plate 451 is located inside the storage groove; a plurality of clamping grooves are provided inside the rotating plate 451, and a plurality of clamping holes are equidistantly provided on the inner wall of the storage groove; one end of the clamping rod 452 is slidably and interlacedly connected with the inner cavity of the clamping groove, and the other end of the clamping rod 452 is slidably and interlacedly connected with the inner cavity of the clamping hole; the extrusion plate 453 is located inside the clamping groove, and the extrusion plate 453 is fixedly and interlacedly connected with the clamping rod 452; the compression spring 454 is sleeved on the outside of the clamping rod 452. One end of the compression spring 454 is fixedly connected to the extrusion plate 453, and the other end of the compression spring 454 is fixedly connected to the inner wall of the clamping groove. The compression spring 454 is always in a compressed state, so that it can provide a stable elastic force to the clamping rod 452 through the extrusion plate 453, so that the clamping rod 452 can be stably clamped with the clamping hole, so that the rotating plate 451 can be fixed and limited by the clamping rod 452 after rotation, so that it will not rotate at will, so that the angle bending can remain stable.

[0036] Furthermore, a pull groove is provided at the top of the rotating plate 451, and a plurality of pull plates 6 are slidably inserted and connected inside the pull groove. The plurality of pull plates 6 are respectively fixedly connected to a plurality of clamping rods 452. The clamping rod 452 can be pulled by the pull plate 6 so that the clamping rod 452 is disengaged from the positioning hole, and the rotating plate 451 can be rotated, thereby driving the driving rod 41 to rotate.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PVC pipe bending device, comprising: A workbench (1), wherein a fixed roller (2) is provided on one side of the workbench (1); The invention is characterized in that: a heating rod (3) is arranged inside the fixed roller (2), a pipe bending mechanism (4) is arranged inside the workbench (1), and the pipe bending mechanism (4) comprises: A driving rod (41), wherein the outer wall of the workbench (1) is provided with a plurality of adjusting grooves at equal intervals, and the plurality of driving rods (41) are respectively rotatably interlaced with the inner cavities of the plurality of adjusting grooves; A slider (42), wherein a plurality of sliders (42) respectively form a screw transmission with a plurality of driving rods (41); A squeezing roller (43), wherein the squeezing roller (43) is fixedly mounted on the outer wall of the slider (42), and a plurality of the squeezing rollers (43) cooperate with the fixed roller (2); A synchronization component (44), wherein the synchronization component (44) is disposed between the plurality of driving rods (41); A rotating assembly (45) is arranged at the top end of one of the driving rods (41).

2. A PVC pipe bending device according to claim 1, characterized in that: The synchronization component (44) comprises: A synchronous wheel (441), wherein a synchronous groove is provided inside the workbench (1), and the plurality of driving rods (41) are rotatably interlaced with the inner cavity of the synchronous groove, and the plurality of synchronous wheels (441) are respectively fixedly interlaced with the plurality of driving rods (41); A synchronous belt (442), wherein the synchronous belt (442) is arranged between the plurality of synchronous wheels (441).

3. A PVC pipe bending device according to claim 1, characterized in that: The opposite sides of the plurality of sliding blocks (42) are fixedly connected to the limiting blocks (5), the opposite sides of the inner walls of the plurality of adjusting grooves are provided with limiting grooves, and the limiting blocks (5) are slidably interlaced with the inner cavities of the limiting grooves.

4. A PVC pipe bending device according to claim 1, characterized in that: The rotating assembly (45) comprises: A rotating plate (451), the rotating plate (451) being fixedly connected to the top end of one of the driving rods (41), a receiving groove being provided at the top end of the workbench (1), and the rotating plate (451) being located inside the receiving groove; A clamping rod (452), wherein a plurality of clamping grooves are provided inside the rotating plate (451), and a plurality of clamping holes are provided at equal intervals on the inner wall of the receiving groove, and one end of the clamping rod (452) is slidably inserted and connected with the inner cavity of the clamping groove, and the other end of the clamping rod (452) is slidably inserted and connected with the inner cavity of the clamping hole; An extrusion plate (453), the extrusion plate (453) is located inside the clamping groove, and the extrusion plate (453) is fixedly connected with the clamping rod (452) by insertion; A compression spring (454) is sleeved on the outside of the clamping rod (452).

5. A PVC pipe bending device according to claim 4, characterized in that: One end of the compression spring (454) is fixedly connected to the extrusion plate (453), and the other end of the compression spring (454) is fixedly connected to the inner wall of the clamping groove.

6. A PVC pipe bending device according to claim 4, characterized in that: A pull groove is provided at the top end of the rotating plate (451), and a plurality of pull plates (6) are slidably inserted and connected inside the pull groove. The plurality of pull plates (6) are respectively fixedly connected to a plurality of clamping rods (452).

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