Device for flushing and flaring plastic pipe orifice

Abstract

The utility model relates to a plastic pipe opening flush flaring device which comprises a base, a clamp used for fixing a plastic pipe is installed on the base, a stand column is detachably fixed to the base, a flaring mechanism and a pressing mechanism are installed on the stand column, and the pressing mechanism is in transmission connection with the flaring mechanism. And a temperature control module is mounted in the flaring mechanism. The device can perform flush flaring on the plastic pipe, has the characteristics of automatic heating, pipe orifice alignment, neat pushing and flush flaring, solves the problem that the pipe orifice after flaring is not flush, and improves the processing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion devices, in particular to a device for flush expansion of plastic pipe openings. Background Art

[0002] At present, the existing PFA pipe opening expansion is basically manual expansion, which uses hot air from a hot air blower to heat and soften the pipe opening, and then uses an expander to press the softened pipe opening to achieve the purpose of expansion.

[0003] The above-mentioned existing technical solutions have the following defects: the existing manual expansion method has great defects. The heat is uneven when the hot air gun is used to heat the pipe mouth. When the expander is used to press the pipe mouth, the force direction is biased. It is not only time-consuming and labor-intensive, but also impossible to make the pipe mouth level after expansion, resulting in leakage at the pipe mouth after the valve is installed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a device for flush expanding the orifices of plastic pipes, which has the characteristics of automatic heating, aligning the orifices, neatly advancing, and flush expanding, thereby solving the problem of uneven orifices after expanding and improving efficiency.

[0005] The above utility model object of the utility model is achieved through the following technical solutions:

[0006] A device for flush expansion of a plastic pipe mouth comprises a base, on which a clamp for fixing the plastic pipe is installed, on which a column is detachably fixed, on which an expansion mechanism and a pressing mechanism are installed, the pressing mechanism is transmission-connected to the expansion mechanism, and a temperature control module is installed in the expansion mechanism.

[0007] As a further technical solution of the utility model: the pressing mechanism comprises a first sleeve and a pressing rod, the first sleeve is detachably fixed to the column, and one end of the pressing rod is hingedly connected to the first sleeve;

[0008] The expansion mechanism includes a second sleeve and an expansion head, one end of the second sleeve is slidably arranged on the column and is located below the first sleeve, one end of the expansion head is fixed to the bottom of the second sleeve and is arranged downward, and the temperature control module is installed in the second sleeve to heat the expansion head;

[0009] The first sleeve is connected to the second sleeve via a spring, and a force transmission rod is hingedly connected between the pressure rod and the second sleeve.

[0010] As a further technical solution of the present invention: a temperature button is installed outside the temperature control module.

[0011] As a further technical solution of the utility model: a hinge is fixed on the base, and the column and the base are fixed by the hinge.

[0012] As a further technical solution of the utility model: the clamp includes a stop block, a clamping block and a fixed block, the fixed block is threaded with two fastening bolts, one end of the fastening bolts is fixedly connected to the clamping block, the stop block is fixed on the base, and the clamping block is movably arranged between the stop block and the fixed block.

[0013] As a further technical solution of the utility model: a plurality of mounting holes for fixing the first sleeve are provided on the column along its height direction.

[0014] In summary, the present invention includes at least one of the following beneficial technical effects:

[0015] The utility model discloses a device for flush expanding of plastic pipe openings, which can flush expand the plastic pipe and has the characteristics of automatic heating, aligning the pipe openings, neatly advancing and flush expanding, thereby solving the problem of uneven pipe openings after expanding and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 for Figure 1 Right view of .

[0018] Figure 3 It is a top view of the utility model.

[0019] Figure numerals: 1. first sleeve; 2. second sleeve; 3. pressure rod; 4. force transmission rod; 5. temperature control module; 6. temperature button; 7. expansion head; 8. hinge; 9. base; 10. clamp; 101. stop block; 102. clamping block; 103. fixing block; 104. fastening bolt; 11. spring; 12. column; 121. mounting hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0021] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 indirectly connected 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 this application can be understood according to specific circumstances.

[0023] Embodiment 1:

[0024] Reference Figure 1 , a device for flush expanding the mouth of a plastic pipe disclosed in the utility model, includes a base 9, a clamp 10 for fixing the plastic pipe is installed on the base 9, a column 12 is detachably fixed on the base 9, an expanding mechanism and a pressing mechanism are installed on the column 12, the pressing mechanism is transmission-connected with the expanding mechanism, and a temperature control module 5 is installed in the expanding mechanism.

[0025] Reference Figure 1 The pressing mechanism includes a first sleeve 1 and a pressure rod 3. The first sleeve 1 is detachably fixed on the column 12, and one end of the pressure rod 3 is hingedly connected to the first sleeve 1; the expanding mechanism includes a second sleeve 2 and an expanding head 7. One end of the second sleeve 2 is slidably set on the column 12 and is located below the first sleeve 1. One end of the expanding head 7 is fixed to the bottom of the second sleeve 2 and is set downward. The temperature control module 5 is installed in the second sleeve 2 for heating the expanding head 7; the first sleeve 1 and the second sleeve 2 are connected by a spring 11, and a force transmission rod 4 is hingedly connected between the pressure rod 3 and the second sleeve 2.

[0026] Reference Figure 2 , a temperature button 6 is installed on the outside of the temperature control module 5. A hinge 8 is fixed on the base 9, and the column 12 is fixed to the base 9 by the hinge 8. The expansion head 7 on the second sleeve 2 is connected to the temperature control module 5, and the temperature button 6 can adjust the temperature so that the expansion head 7 is heated to a suitable working temperature. The first sleeve 1 is connected to the second sleeve 2 by a spring 11, and the column 12 and the base 9 are fixed by the hinge 8.

[0027] Reference Figure 3 The clamp 10 includes a stopper 101, a clamping block 102 and a fixed block 103. The fixed block 103 is threaded with two fastening bolts 104. One end of the fastening bolts 104 is fixedly connected to the clamping block 102. The stopper 101 is fixed on the base 9. The clamping block 102 is movably arranged between the stopper 101 and the fixed block 103.

[0028] A plurality of mounting holes 121 for fixing the first sleeve 1 are provided on the column 12 along its height direction. In the present embodiment, the mounting holes 121 are screw holes. Several screw holes are provided above the column 12 to facilitate the height adjustment of the first sleeve 1. The first sleeve 1 is fixed to the screw holes of the column 12 with screws.

[0029] The implementation principle of the utility model is as follows: the utility model discloses a device for flush expansion of plastic pipe mouths. Before use, connect the external power supply, adjust the temperature button 6, set the appropriate temperature, and operate after the temperature rises to the set temperature. Put the FPA or other plastic pipes that need to be expanded on the base 9, make the pipe mouth and the expansion head 7 vertically flush, and use the clamp 10 to slightly clamp the pipe body so that it does not fall.

[0030] In the first case, hold the pipe body with one hand and press the pressure rod 3 with the other hand, and through the force transmission rod 4, press the second sleeve 2 and the connected expansion head 7 downward together, so that the expansion head 7 is flush with the pipe mouth below. If it is not flush, the pipe body can be fine-tuned until the expansion head 7 enters the pipe mouth, and the expansion is completed. The spring 11 pulls the second sleeve 2 that has moved downward to rebound and return to the starting position.

[0031] In the second case, hold the pipe body with one hand and lift the pressure rod 3 with the other hand, so that the second sleeve 2 and the connected expansion head 7 move upward together through the force transmission rod 4, the spring 11 is compressed and compressed to accumulate elastic force, and the expansion head 7 is flush with the pipe mouth below. If it is not flush, the pipe body can be fine-tuned to be flush with the pipe mouth. Release the pressure rod 3, the spring 11 naturally recovers and drives the expansion head 7 into the pipe mouth, and the expansion is completed.

[0032] If a long tube needs to be expanded, the two screws on the hinge 8 can be unscrewed, the column 12 can be laid down, and the tube can be expanded by clamping the clamp 10 horizontally.

[0033] The device utilizes mechanical force transmission, lever principle, resistance wire heating, etc., and is mainly composed of a square column 12, a first sleeve 1, a second sleeve 2, a pressure rod 3, a force transmission rod 4, a temperature control module 5, a temperature button 6, an expansion head 7, a hinge 8, a base 9, a clamp 10, a spring 11, etc. It can expand the plastic pipe flush, has the characteristics of automatic heating, aligning the pipe mouth, neatly advancing, and flush expansion, solves the problem of uneven pipe mouth after expansion, and improves the processing efficiency.

[0034] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for flush expansion of a plastic pipe opening, comprising a base (9), characterized in that: The base (9) is provided with a clamp (10) for fixing the plastic pipe. The base (9) is provided with a column (12) which is detachably fixed thereto. The column (12) is provided with a flaring mechanism and a pressing mechanism. The pressing mechanism is in transmission connection with the flaring mechanism. A temperature control module (5) is provided inside the flaring mechanism.

2. A device for flush expansion of a plastic pipe opening according to claim 1, characterized in that: The pressing mechanism comprises a first sleeve (1) and a pressing rod (3); the first sleeve (1) is detachably fixed to the column (12); one end of the pressing rod (3) is hingedly connected to the first sleeve (1); The expansion mechanism comprises a second sleeve (2) and an expansion head (7); one end of the second sleeve (2) is slidably arranged on the column (12) and is located below the first sleeve (1); one end of the expansion head (7) is fixed to the bottom of the second sleeve (2) and is arranged downward; the temperature control module (5) is installed in the second sleeve (2) for heating the expansion head (7); The first sleeve (1) and the second sleeve (2) are connected via a spring (11), and a force transmission rod (4) is hingedly connected between the pressure rod (3) and the second sleeve (2).

3. A device for flush expansion of a plastic pipe opening according to claim 2, characterized in that: A temperature button (6) is installed outside the temperature control module (5).

4. The device for flush expansion of a plastic pipe opening according to claim 1, characterized in that: A hinge (8) is fixed on the base (9), and the upright column (12) and the base (9) are fixed via the hinge (8).

5. The device for flush expansion of a plastic pipe opening according to claim 1, characterized in that: The clamp (10) comprises a stopper (101), a clamping block (102) and a fixing block (103); two fastening bolts (104) are threadedly connected to the fixing block (103); one end of the fastening bolts (104) is fixedly connected to the clamping block (102); the stopper (101) is fixed on the base (9); and the clamping block (102) is movably arranged between the stopper (101) and the fixing block (103).

6. A device for flush expansion of a plastic pipe opening according to claim 2, characterized in that: The column (12) is provided with a plurality of mounting holes (121) along its height direction for fixing the first sleeve (1).

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