Pressing wheel structure for production of winding type socket pipe

Abstract

The utility model discloses a winding type socket pipe production pinch roller structure, which comprises a mounting frame body and a pinch roller frame in a sheet shape on the whole, the mounting frame body comprises a support shaft, one end of the pinch roller frame is rotatably sleeved on the support shaft, the other end of the pinch roller frame is rotatably provided with a pinch roller sheet, and the pinch roller sheet is provided with a plurality of pinch rollers. The axial lead of the pressing wheel sheet is parallel to the supporting shaft; the multiple pressing wheel frames are arranged side by side along the supporting shaft. The installation frame body comprises side plates connected to the two ends of the supporting shaft, and the two side plates are arranged on the outer sides of the multiple pressing wheel frames in a tightly attached mode. The sides, protruding relative to the pressing wheel frames, of the pressing wheel pieces in the circumferential direction of the supporting shaft are pressing sides, and an elastic reset piece enabling each pressing wheel frame to rotate in the direction of the corresponding pressing side is arranged between the corresponding pressing wheel frame and the installation frame. The winding device has the advantages of being ingenious in structural design, capable of adapting to variable-diameter forming molds, beneficial to improving winding quality and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline production technical field, especially a kind of winding socket pipe production pressure roller structure. BACKGROUND

[0002] Composite winding pipe is a new type of special-shaped structure wall pipe, with light weight, high pressure capacity, high interface quality, long life, corrosion resistance, high ring stiffness, easy construction and other advantages, widely used in urban water supply, drainage, long-distance water supply and farmland irrigation and other projects.Composite winding pipe is spirally wound with strip profile, and the side edges of the next profile and the previous profile are mutually buckled and clamped to form a pipeline, in order to increase the strength of connection, usually also use adhesive to connect at buckling.

[0003] Usually, composite winding pipe is formed by continuous winding process, and the continuous forming process of pipe body needs to be separated from the forming tool along the axial direction and continuously grow outward, so the inner diameter of the pipe body must be consistent with the outer diameter of the forming tool.However, in engineering construction, composite winding pipe is installed in sections, and sealing connection is needed between the two adjacent ends of composite winding pipe, therefore, the applicant designs a forming die with larger diameter at the end, as shown in Figure 1 , the part with larger diameter at the upper end of the forming die can directly form a socket, and during winding, in order to make the continuous strip better fit the forming die, a pressure roller mechanism is needed to press the continuous strip on the forming die, the existing pressure roller is of one-piece structure, which can only be used for forming die with constant diameter, and cannot be used for Figure 1 Variable-diameter forming die. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems of the prior art, the technical problem to be solved by the utility model is: how to provide a pressure roller structure with ingenious structure design, which can adapt to variable-diameter forming die and is beneficial to improve winding quality.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The application discloses a pressure wheel structure for winding socket pipe production, which comprises a mounting frame and a whole sheet-shaped pressure wheel frame, the mounting frame comprises a supporting shaft, one end of the pressure wheel frame is rotatably sleeved on the supporting shaft, and the other end is rotatably provided with a pressure wheel sheet, the axial line of the pressure wheel sheet is parallel to the supporting shaft; a plurality of pressure wheel frames are arranged side by side along the supporting shaft; the mounting frame comprises side plates connected to both ends of the supporting shaft, and the two side plates are arranged close to the outer sides of the plurality of pressure wheel frames; the side of the pressure wheel sheet protruding relative to the pressure wheel frame in the circumferential direction of the supporting shaft is a pressing side, and each pressure wheel frame and the mounting frame are provided with an elastic reset member for rotating the pressure wheel frame towards the pressing side.

[0007] In the above structure, since the pressure wheel frame is sheet-shaped, a plurality of pressure wheel frames are arranged side by side on the supporting shaft, and each pressure wheel frame and the mounting frame are provided with an elastic reset member, so that the pressure wheel sheets on the plurality of pressure wheel frames are combined into a pressure wheel, when the continuous strip is pressed against the surface of the forming mold, the reaction force borne by each pressure wheel frame is independent, and the rotation angle of each pressure wheel frame relative to the supporting shaft is also different with the change of the outer diameter of the surface of the forming mold, so that the forming mold with different diameters can be adapted, the continuous strip is always attached to the surface of the forming mold, and the forming quality of the winding pipe is improved.

[0008] Further, a limiting plate is connected between the two side plates, the limiting plate is located on the side of the pressure wheel frame away from the supporting shaft, the limiting plate is provided with a limiting strip protruding towards the pressure wheel frame, and the limiting strip is located on the pressing side of the pressure wheel frame.

[0009] In this way, the pressure wheel frame can abut against the limiting strip under the action of the elastic reset member, so that all the pressure wheel sheets can be aligned in the initial state.

[0010] Further, a beam plate is connected between the two side plates, the beam plate is located on the side of the supporting shaft towards the pressing side; and the elastic reset member is a tension spring connected between the beam plate and the pressure wheel frame.

[0011] In this way, the tension spring can provide larger pressing force, and the tension spring is arranged on the outer side, so that maintenance or replacement is facilitated.

[0012] Further, the pressure wheel frame is provided with a semicircular rolling groove, the diameter of the rolling groove matches the diameter of the pressure wheel sheet, and the pressure wheel sheet is rotatably matched in the rolling groove.

[0013] In this way, the inner wall of the rolling groove and the outer circular surface of the pressure wheel sheet are matched, the rotating shaft and the shaft seat structure can be omitted, and thicker pressure wheel sheets can be arranged under the condition that the thickness of the pressure wheel frame is constant.

[0014] Further, the thickness of the pressure wheel piece is consistent with the thickness of the pressure wheel frame.

[0015] In this way, when the pressure wheel frames are arranged side by side and abut against each other, the pressure wheel pieces can also abut against each other, so that the gap between the pressure wheel structures is reduced, and each part of the continuous strip can be better pressed against the surface of the forming die.

[0016] Further, one side of the rolling groove is provided with a limiting block, the inner side of the limiting block is provided with an arc surface which is concentrically connected with the rolling groove, the sum of the central angles of the arc surface and the rolling groove is greater than 180°, and the pressure wheel piece is rotatably matched on the arc surface.

[0017] In this way, the pressure wheel piece can be reliably limited in the rolling groove by the limiting block, so that the pressure wheel piece is prevented from being pulled out, and the use reliability is improved.

[0018] Further, one side of the rolling groove is provided with a threaded hole, the limiting block is provided with a bolt hole which is matched with the threaded hole in a penetrating manner, and the limiting block is installed on the threaded hole by a bolt penetrating through the bolt hole.

[0019] Further, the inner wall of the rolling groove is provided with rotatable rolling balls, a plurality of rolling balls are uniformly arranged along the circumference of the rolling groove, and the outer circular surface of the pressure wheel piece is matched on the plurality of rolling balls.

[0020] In this way, the rotatable rolling balls can reduce the friction between the pressure wheel piece and the inner wall of the rolling groove, so that the rotation of the pressure wheel piece is smoother.

[0021] In summary, the utility model has the advantages of clever structure design, adaptability to the forming die with variable diameter, and improvement of winding quality. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 Fig. 4 is a structural schematic view of the forming die.

[0023] Figure 2 Fig. 5 is a structural schematic view of the pressure wheel mechanism.

[0024] Figure 3 Fig. 6 is a sectional structural schematic view of the pressure wheel mechanism.

[0025] Figure 4 Fig. 7 is a structural schematic view of the pressure wheel frame.

[0026] Figure 5 Fig. 8 is a disassembled structural schematic view of the pressure wheel frame. DETAILED DESCRIPTION

[0027] The utility model will be further described in detail in combination with the embodiments.

[0028] In the specific implementation:Figures 2-5 As shown in the drawings, the winding socket pipe production pressure wheel structure comprises a mounting frame and a whole sheet-shaped pressure wheel frame 701, the mounting frame comprises a support shaft 702, one end of the pressure wheel frame 701 is rotatably sleeved on the support shaft 702, the other end is rotatably provided with a pressure wheel sheet 703, the axis of the pressure wheel sheet 703 is parallel to the support shaft 702; the pressure wheel frame 701 is provided side by side along the support shaft 702; the mounting frame comprises side plates 704 connected at both ends of the support shaft 702, the two side plates 704 are closely arranged outside the plurality of pressure wheel frames 701; the pressure wheel sheet 703 protrudes on one side of the support shaft 702 in the circumferential direction relative to the pressure wheel frame 701, which is a pressing side, and each pressure wheel frame 701 and the mounting frame have an elastic reset member 705 that rotates the pressure wheel frame 701 towards the pressing side.

[0029] As shown in the drawings, Figure 2 The two side plates 704 are connected between the two side plates 704, and the limiting plate 706 is located on the side of the pressure wheel frame 701 away from the support shaft 702, and the limiting plate 706 has a limiting strip protruding towards the pressure wheel frame 701, and the limiting strip is located on the pressing side of the pressure wheel frame 701. The beam plate 707 is connected between the two side plates 704, and the beam plate 707 is located on the side of the support shaft 702 towards the pressing side; the elastic reset member 705 is a tension spring connected between the beam plate 707 and the pressure wheel frame 701.

[0030] As shown in the drawings, Figure 4 And Figure 5 The pressure wheel frame 701 has a semicircular rolling groove, the diameter of the rolling groove matches the diameter of the pressure wheel sheet 703, the pressure wheel sheet 703 is rotatably matched in the rolling groove, and the thickness of the pressure wheel sheet 703 is consistent with the thickness of the pressure wheel frame 701. One side of the rolling groove is provided with a limiting block 708, the inner side of the limiting block 708 has an arc surface concentrically connected with the rolling groove, the sum of the central angles of the arc surface and the rolling groove is greater than 180°; the pressure wheel sheet 703 is rotatably matched on the arc surface. Specifically, one side of the rolling groove is provided with a threaded hole, the limiting block 708 is provided with a bolt hole matched with the threaded hole, and the limiting block 708 is installed on the threaded hole through the bolt. In order to make the pressure wheel sheet rotate more smoothly, the inner wall of the rolling groove has rotatable balls, the balls are uniformly arranged in the circumferential direction of the rolling groove, and the outer circular surface of the pressure wheel sheet 703 is matched with the balls.

[0031] The pressure wheel structure of the embodiment is adopted, the pressure wheel frame is in a sheet shape, a plurality of pressure wheel frames are arranged side by side on the supporting shaft, and each pressure wheel frame is provided with an elastic reset member between the pressure wheel frame and the mounting frame body, so that the pressure wheel pieces on the plurality of pressure wheel frames are combined into a pressure wheel, when the continuous strip is pressed on the surface of the forming mold, the reaction force borne by each pressure wheel frame is independent, with the change of the outer diameter of the surface of the forming mold, the rotation angle of each pressure wheel frame relative to the supporting shaft is also different, so that the forming mold with different diameters can be adapted, the continuous strip is always attached to the surface of the forming mold, and the forming quality of the winding pipe is improved.

[0032] The above only describes the preferred embodiment of the utility model, and is not limited to the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pressure roller structure for producing spiral-wound socket pipes, characterized in that, The system includes a mounting frame and a sheet-like pressure roller frame (701). The mounting frame includes a support shaft (702). One end of the pressure roller frame (701) is rotatably mounted on the support shaft (702), and the other end is rotatably provided with a pressure roller plate (703). The axis of the pressure roller plate (703) is parallel to the support shaft (702). Multiple pressure roller frames (701) are arranged side by side along the support shaft (702). The mounting frame includes a connecting... The side plates (704) at both ends of the support shaft (702) are closely arranged on the outside of the plurality of pressure roller frames (701); the side of the pressure roller plate (703) that protrudes from the support shaft (702) relative to the pressure roller frame (701) in the circumferential direction is the pressing side; each pressure roller frame (701) and the mounting frame have an elastic reset member (705) that rotates the pressure roller frame (701) toward the pressing side. The pressure roller frame (701) has a semi-circular groove, the diameter of which matches the diameter of the pressure roller (703). The pressure roller (703) is rotatably fitted within the groove. A limiting block (708) is installed on one side of the groove. The inner side of the limiting block (708) has an arc surface that is concentrically connected to the groove. The sum of the central angle of the arc surface and the central angle of the groove is greater than 180°. The pressure roller (703) is rotatably fitted onto the arc surface. A threaded hole is provided on one side of the groove, and a bolt hole matching the threaded hole is provided through the limiting block (708). The limiting block (708) is installed on the threaded hole by a bolt passing through the bolt hole. Rotatable balls are provided on the inner wall of the groove. Multiple balls are evenly distributed along the circumference of the groove, and the outer surface of the pressure roller (703) is fitted onto the multiple balls.

2. The pressure roller structure for producing spiral-wound socket pipes as described in claim 1, characterized in that, A limiting plate (706) is connected between the two side plates (704). The limiting plate (706) is located on the side of the pressure roller frame (701) away from the support shaft (702). The limiting plate (706) has a limiting strip protruding toward the pressure roller frame (701). The limiting strip is located on the pressing side of the pressure roller frame (701).

3. The pressure roller structure for producing spiral-wound socket pipes as described in claim 2, characterized in that, A beam plate (707) is connected between the two side plates (704), and the beam plate (707) is located on the side of the support shaft (702) facing the pressing side; the elastic reset member (705) is a tension spring connected between the beam plate (707) and the pressure roller frame (701).

4. The pressure roller structure for producing spiral-wound socket pipes as described in claim 1, characterized in that, The thickness of the pressure roller (703) is the same as the thickness of the pressure roller frame (701).

Images