Double-wall corrugated pipe flaring device

Abstract

The utility model relates to the field of double-wall corrugated pipe processing, in particular to a double-wall corrugated pipe flaring device, which comprises a bottom plate, a base plate fixed at the upper end of the bottom plate, an operation mechanism mounted at the upper end of the base plate, and a fixing mechanism. Before the device carries out flaring operation on the double-wall corrugated pipe, a fourth motor is started according to the size of the double-wall corrugated pipe, and the double-wall corrugated pipe is flared through threaded connection between two sliding plates and a second two-way screw and sliding connection between the sliding plates and a displacement plate. When a fourth motor drives a second bidirectional screw rod to rotate, abutting arc strips on two sliding plates can move in opposite or opposite directions, so that the distance between the two abutting arc strips can be suitable for the size of the double-wall corrugated pipe, and then the non-flaring end of the double-wall corrugated pipe is arranged on the peripheries of the two abutting arc strips in a sleeving mode; and then a fourth motor is started again to enable two abutting arc strips to tightly abut against the inner walls of the two ends of the double-wall corrugated pipe, and therefore the applicability of the device is better.

Description

Technical Field

[0001] The utility model relates to the field of double-wall corrugated pipe processing, in particular to a double-wall corrugated pipe expanding device. Background Art

[0002] Double-wall corrugated pipe is called high-density polyethylene double-wall corrugated pipe, referred to as HDPE pipe. It is a new type of lightweight pipe with an annular outer wall and a smooth inner wall. It is a flexible pipe. It is mainly used in water delivery, water supply, drainage, sewage, exhaust, subway ventilation, mine ventilation, farmland irrigation, etc.

[0003] After searching the patent document with the announcement number CN220390308U, the patent document discloses "a double-wall corrugated pipe expanding machine, which can drive the threaded rod to rotate through the driving motor, the first bevel gear and the second bevel gear, and can drive the two expanding blocks to move relative to each other through the threaded rod, the threaded sleeve, the connecting block and the arc block, and then the reducing motor, the disc and the cylinder will drive the expanding block to rotate, and the expanding block will expand the receiving interface of the double-wall corrugated pipe body again, and then repeat it many times, so as to automatically expand the receiving interface of the double-wall corrugated pipe body, and there is no need to manually rotate the double-wall corrugated pipe many times, the degree of automation is high, and the device structure is simple, which reduces the production cost";

[0004] However, since the limit block in the above-mentioned device is a fixed structure, the device can only process double-wall corrugated pipes corresponding to the size of the limit block. As a result, the device can only expand double-wall corrugated pipes of a single size, which makes the applicability of the device poor. When processing double-wall corrugated pipes of other sizes, it is easy to fail to install or fit tightly. Utility Model Content

[0005] The purpose of the utility model is to provide a double-wall corrugated pipe expanding device in order to solve the above problems.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0007] A double-wall corrugated pipe expansion device, comprising a bottom plate, a backing plate fixed to the upper end of the bottom plate, an operating mechanism for expanding the double-wall corrugated pipe installed on the upper end of the backing plate, and a fixing mechanism capable of adjusting according to the size of the double-wall corrugated pipe;

[0008] The fixing mechanism includes a one-way screw, which is rotatably connected to the inside of the pad, a third motor is installed at the input end of the one-way screw, a sliding frame is threadedly connected to the outer periphery of the one-way screw, and the sliding frame is slidably connected to the pad, a side extension frame is fixed to one end of the sliding frame, a displacement plate is fixed to the upper end of one side of the side extension frame, a second bidirectional screw is rotatably connected to one end of the displacement plate, a fourth motor is installed at the input end of the second bidirectional screw, two sliding plates are threadedly connected to the outer periphery of the second bidirectional screw, and the two sliding plates are slidably connected to the displacement plate, and a resistance arc bar is fixed to one end of the two sliding plates.

[0009] Preferably, the length of the side extension frame is greater than half the length of the pad, and the length of the one-way screw is longer than the side extension frame.

[0010] Preferably, the lower end surface of the side extension frame is in contact with the upper end surface of the pad.

[0011] Preferably, the outer wall of the abutting arc strip is arc-shaped, and a rubber layer is provided on the outer wall of the abutting arc strip.

[0012] Preferably: the operating mechanism includes an upper extension plate, which is fixed at the upper end of the pad, a first motor is installed at one end of the upper extension plate, a rotating cross bar is fixed to the output end of the first motor, the internal rotation of the rotating cross bar is connected to the first bidirectional screw, a second motor is installed at the input end of the first bidirectional screw, two sliders are threadedly connected to the outer periphery of the first bidirectional screw, and the two sliders are slidably connected to the rotating cross bar, and a flared arc plate is fixed to one end of the slider.

[0013] Preferably, the expanded arc plate is in an arc shape, and the edges of the expanded arc plate are all rounded.

[0014] The beneficial effects compared with the prior art are as follows:

[0015] Before expanding the double-wall corrugated pipe, this device starts the fourth motor according to the size of the double-wall corrugated pipe itself, and through the threaded connection between the two sliding plates and the second bidirectional screw and the sliding connection between the sliding plate and the displacement plate, when the fourth motor drives the second bidirectional screw to rotate, the interference arc bars on the two sliding plates can move in relative or opposite directions, so that the spacing between the two interference arc bars can be suitable for the size of the double-wall corrugated pipe, and then the non-expanded end of the double-wall corrugated pipe is put on the periphery of the two interference arc bars, and then the fourth motor is started again to make the two interference arc bars tightly press against the inner walls of the two ends of the double-wall corrugated pipe, and through the threaded connection between the sliding frame and the one-way screw and the sliding connection between the sliding frame and the pad, when the third motor drives the one-way screw to rotate, the displacement plate on the side extension frame can be moved, so that the device can be suitable for double-wall corrugated pipes of most lengths, making the device more applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a structural schematic diagram of a double-wall corrugated pipe expansion device described in the utility model;

[0018] Figure 2 It is a structural schematic diagram of the operating mechanism of a double-wall corrugated pipe expansion device described in the utility model;

[0019] Figure 3 It is a structural schematic diagram of a fixing mechanism of a double-wall corrugated pipe expansion device described in the utility model;

[0020] Figure 4 It is a partial structural schematic diagram of a fixing mechanism of a double-wall corrugated pipe expanding device described in the utility model.

[0021] The following are the descriptions of the reference numerals:

[0022] 1. Bottom plate; 11. Cushion frame; 12. Fixing bolts; 2. Pad; 3. Upper extension plate; 31. First motor; 32. Rotating cross bar; 33. First bidirectional screw; 34. Second motor; 35. Sliding block; 36. Expanding arc plate; 4. One-way screw; 41. Third motor; 42. Sliding frame; 43. Side extension frame; 44. Displacement plate; 45. Second bidirectional screw; 46. Fourth motor; 47. Sliding plate; 48. Resisting arc bar. DETAILED DESCRIPTION

[0023] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0025] The utility model is further described below in conjunction with the accompanying drawings:

[0026] like Figure 1-Figure 4 As shown, a double-wall corrugated pipe expanding device includes a base plate 1, a pad 2 is fixed on the upper end of the base plate 1, an operating mechanism for expanding the double-wall corrugated pipe is installed on the upper end of the pad 2, and also includes a fixing mechanism that can be adjusted according to the size of the double-wall corrugated pipe.

[0027] Two raised frames 11 are fixed to the lower end of the base plate 1 , and a plurality of fixing bolts 12 are arranged in the middle of the raised frames 11 ; the device can be fixed to a suitable position by the fixing bolts 12 .

[0028] The operating mechanism includes an upper extension plate 3, which is fixed to the upper end of the pad 2. A first motor 31 is installed at one end of the upper extension plate 3. A rotating horizontal bar 32 is fixed to the output end of the first motor 31. The internal rotation of the rotating horizontal bar 32 is connected to a first bidirectional screw 33. A second motor 34 is installed at the input end of the first bidirectional screw 33. Two sliders 35 are threadedly connected to the outer periphery of the first bidirectional screw 33, and the two sliders 35 are slidably connected to the rotating horizontal bar 32. An expanded arc plate 36 is fixed at one end of the slider 35. The expanded arc plate 36 is in an arc shape, and the edges of the expanded arc plate 36 are rounded. Work; place one end of the double-wall corrugated pipe to be expanded on the periphery of the two expanding arc plates 36, and then start the second motor 34. Through the threaded connection between the first bidirectional screw 33 and the two sliders 35 and the sliding connection between the slider 35 and the rotating cross bar 32, when the second motor 34 drives the first bidirectional screw 33 to rotate, the two expanding arc plates 36 can move in opposite directions, so that the two expanding arc plates 36 expand the two ends of the double-wall corrugated pipe, and then the first motor 31 drives the rotating cross bar 32 to rotate, so that the two expanding arc plates 36 completely expand one end of the double-wall corrugated pipe.

[0029] The fixing mechanism includes a one-way screw 4, which is rotatably connected to the inside of the pad 2, a third motor 41 is installed at the input end of the one-way screw 4, a sliding frame 42 is threadedly connected to the outer periphery of the one-way screw 4, and the sliding frame 42 is slidably connected to the pad 2, a side extension frame 43 is fixed to one end of the sliding frame 42, the length of the side extension frame 43 is greater than half the length of the pad 2, the length of the one-way screw 4 is longer than the side extension frame 43, the lower end surface of the side extension frame 43 is in contact with the upper end surface of the pad 2, and one side of the side extension frame 43 is fixed to the side extension frame 43. A displacement plate 44 is fixed to the upper end of the displacement plate 44, one end of which is rotatably connected to a second bidirectional screw 45, a fourth motor 46 is installed at the input end of the second bidirectional screw 45, two sliding plates 47 are threadedly connected to the outer periphery of the second bidirectional screw 45, and the two sliding plates 47 are slidably connected to the displacement plate 44, and one end of the two sliding plates 47 is fixed with a resisting arc bar 48, the outer wall of the resisting arc bar 48 is in the shape of an arc, and the outer wall of the resisting arc bar 48 is provided with a rubber layer; this device is used for the double-wall corrugated pipe Before performing the flaring operation, according to the size of the double-wall corrugated pipe itself, the fourth motor 46 is started, and through the threaded connection between the two sliding plates 47 and the second bidirectional screw 45 and the sliding connection between the sliding plate 47 and the displacement plate 44, when the fourth motor 46 drives the second bidirectional screw 45 to rotate, the interference arc bars 48 on the two sliding plates 47 can move in relative or opposite directions, so that the spacing between the two interference arc bars 48 can be suitable for the size of the double-wall corrugated pipe, and then the non-expanded end of the double-wall corrugated pipe is put on the periphery of the two interference arc bars 48, and then the fourth motor 46 is started again to make the two interference arc bars 48 tightly press against the inner walls of the two ends of the double-wall corrugated pipe, and through the threaded connection between the sliding frame 42 and the one-way screw 4 and the sliding connection between the sliding frame 42 and the pad 2, when the third motor 41 drives the one-way screw 4 to rotate, the displacement plate 44 on the side extension frame 43 can be moved, so that the device can be suitable for double-wall corrugated pipes of most lengths, making the device more applicable.

[0030] Working principle: Before the device is operated, it is first adjusted according to the size of the double-wall corrugated pipe. Through the threaded connection between the sliding frame 42 and the one-way screw 4 and the sliding connection between the sliding frame 42 and the pad 2, when the third motor 41 drives the one-way screw 4 to rotate, the displacement plate 44 on the side extension frame 43 can be moved, so that the device can be suitable for double-wall corrugated pipes of most lengths. Then the fourth motor 46 is started. Through the threaded connection between the two sliding plates 47 and the second bidirectional screw 45 and the sliding connection between the sliding plate 47 and the displacement plate 44, when the fourth motor 46 drives the second bidirectional screw 45 to rotate, the interference arc strips 48 on the two sliding plates 47 can move in relative or opposite directions, so that the spacing between the two interference arc strips 48 can be suitable for the size of the double-wall corrugated pipe. The non-expanded end of the double-walled corrugated pipe is put on the periphery of the two resisting arc strips 48, and then the fourth motor 46 is started again to make the two resisting arc strips 48 tightly press against the inner walls at both ends of the double-walled corrugated pipe. Finally, the end of the double-walled corrugated pipe to be expanded is placed on the periphery of the two expanding arc plates 36, and then the second motor 34 is started. Through the threaded connection between the first bidirectional screw 33 and the two sliders 35 and the sliding connection between the slider 35 and the rotating cross bar 32, when the second motor 34 drives the first bidirectional screw 33 to rotate, the two expanding arc plates 36 can move in opposite directions, so that the two expanding arc plates 36 expand the two ends of the double-walled corrugated pipe, and then the first motor 31 drives the rotating cross bar 32 to rotate, so that the two expanding arc plates 36 completely expand one end of the double-walled corrugated pipe.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A double-wall corrugated pipe expansion device, comprising a bottom plate (1), a backing plate (2) being fixed to the upper end of the bottom plate (1), and an operating mechanism for expanding the double-wall corrugated pipe being installed on the upper end of the backing plate (2), characterized in that: Also included is a fixing mechanism that can be adjusted according to the size of the double-wall corrugated pipe; The fixing mechanism comprises a one-way screw (4), wherein the one-way screw (4) is rotatably connected to the inside of the pad (2), a third motor (41) is installed at the input end of the one-way screw (4), a sliding frame (42) is threadedly connected to the outer periphery of the one-way screw (4), and the sliding frame (42) is slidably connected to the pad (2), a side extension frame (43) is fixed to one end of the sliding frame (42), a displacement plate (44) is fixed to the upper end of one side of the side extension frame (43), one end of the displacement plate (44) is rotatably connected to a second bidirectional screw (45), a fourth motor (46) is installed at the input end of the second bidirectional screw (45), two sliding plates (47) are threadedly connected to the outer periphery of the second bidirectional screw (45), and the two sliding plates (47) are slidably connected to the displacement plate (44), and a resistance arc bar (48) is fixed to one end of each of the two sliding plates (47).

2. A double-wall corrugated pipe expansion device according to claim 1, characterized in that: The length of the side extension frame (43) is greater than half the length of the pad (2), and the length of the one-way screw rod (4) is longer than the side extension frame (43).

3. A double-wall corrugated pipe expansion device according to claim 1, characterized in that: The lower end surface of the side extension frame (43) is in contact with the upper end surface of the pad (2).

4. A double-wall corrugated pipe expansion device according to claim 1, characterized in that: The outer wall of the abutment arc strip (48) is arc-shaped, and a rubber layer is provided on the outer wall of the abutment arc strip (48).

5. The double-wall corrugated pipe expansion device according to claim 1, characterized in that: The operating mechanism comprises an upper extension plate (3), wherein the upper extension plate (3) is fixed to the upper end of the pad (2), a first motor (31) is installed at one end of the upper extension plate (3), a rotating cross bar (32) is fixed at the output end of the first motor (31), the internal rotation of the rotating cross bar (32) is connected to a first bidirectional screw (33), a second motor (34) is installed at the input end of the first bidirectional screw (33), two sliders (35) are threadedly connected to the outer periphery of the first bidirectional screw (33), and the two sliders (35) are slidably connected to the rotating cross bar (32), and a flaring arc plate (36) is fixed at one end of the slider (35).

6. A double-wall corrugated pipe expansion device according to claim 5, characterized in that: The flared arc plate (36) is in an arc shape, and the edges of the flared arc plate (36) are all rounded.

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