Steel pipe rounding and straightening machine

Abstract

The utility model discloses a steel pipe rounding and straightening machine which comprises a rack and is characterized in that the steel pipe rounding and straightening machine further comprises a fixing seat, the fixing seat is arranged in the center of the top of the rack, and riding wheels are evenly arranged on the fixing seat; the movable seat is arranged above the fixed seat, pressing wheels are evenly distributed on the movable seat, and a steel pipe body penetrates through the positions between the pressing wheels and the supporting wheels; the preheating mechanism is arranged at one end of the top of the rack, the preheating mechanism comprises a heating sleeve and a pipe feeding channel, and the pipe feeding channel is formed in the center of the interior of the heating sleeve; the preheating mechanism further comprises heating pipes, the heating pipes are evenly hooped outside the pipe feeding channel, and the steel pipe body penetrates through the pipe feeding channel. According to the steel pipe straightening machine, the rack, the preheating mechanism, the steel pipe body, the pressing wheels and the supporting wheels are installed, preheating of the steel pipe body is facilitated, the shape of the steel pipe body can be adjusted more easily, and resistance and energy consumption in the straightening process are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe straightening technical field, concretely is a kind of steel pipe straightening machine. BACKGROUND

[0002] Steel pipe straightening machine is a kind of equipment specially used for straightening and repairing the steel pipe bent and deformed in construction or other applications, after being sent into machine, steel pipe is extruded and straightened by a series of rollers or pressure wheels, to ensure that steel pipe reaches the best straightening and repairing effect, and can effectively straighten the bent steel pipe to predetermined state, restore its original straightness.

[0003] General steel pipe straightening machine does not have the function of preheating, and the plasticity and toughness of steel pipe at normal temperature are relatively low, which will increase the difficulty in straightening process, and the straightening machine needs to exert greater force to make steel pipe deform, which not only increases the load of equipment, but also may cause the fracture or crack of steel pipe and other quality problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of steel pipe straightening machine to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of steel pipe straightening machine, comprising: rack, characterized by further comprising

[0006] Fixed seat, the fixed seat is set at the central position of the top of rack, and uniformly set with supporting wheel on the fixed seat;

[0007] Movable seat, the movable seat is set above fixed seat, and uniformly distributed with pressure wheel on the movable seat, and steel pipe body passes between the pressure wheel and supporting wheel;

[0008] Preheating mechanism, the preheating mechanism is set at one end of the top of rack, and the preheating mechanism includes heating sleeve and pipe conveying passage, and the pipe conveying passage is opened at the central position inside heating sleeve;

[0009] The preheating mechanism further includes heating pipe, the heating pipe is uniformly hoop on the outside of pipe conveying passage, and the steel pipe body passes through pipe conveying passage.

[0010] Preferably, one end of the top of rack is provided with cleaning chamber, and both sides inside cleaning chamber are provided with buffer sleeve, the inside of buffer sleeve is provided with pressure support by buffer spring, and one end of pressure support is provided with cleaning roller brush.

[0011] Preferably, the preheating mechanism further includes insulation layer, the insulation layer is set to the inner side wall of heating sleeve, and the insulation layer adopts rock wool material.

[0012] Preferably, the outer part of the heating jacket is uniformly provided with a fixing ring, and the fixing ring is provided with three groups.

[0013] Preferably, the top of the fixing seat is provided with a frame, and a screw rod is arranged at the central position in the frame, a driving block is arranged on the screw rod, and the driving block is connected with the movable seat.

[0014] Preferably, a driving motor is fixed at the central position of the top of the frame, and the output end of the driving motor is connected with the screw rod.

[0015] Preferably, the two ends of the movable seat close to one side of the frame are provided with guiding sleeves, and the guiding sleeves are slidably connected with the two sides of the frame.

[0016] Compared with the prior art, the beneficial effects of the steel pipe roundness and straightening machine are as follows: the steel pipe roundness and straightening machine is provided with a rack, a preheating mechanism, a steel pipe body, a pressing wheel and a supporting wheel, the preheating mechanism comprises a heating jacket, a pipe conveying passage, a heating pipe and a heat preservation layer, the steel pipe body that needs to be rounded and straightened first enters the pipe conveying passage in the preheating mechanism before entering the straightening stage, the heating pipe generates heat after being electrified, the steel pipe body is heated, the heat preservation layer is beneficial to slow down temperature loss and plays a certain energy-saving role, the heating pipe is uniformly hooped on the outside of the pipe conveying passage, the heating speed is fast and the heating is more uniform, which is beneficial to preheat the steel pipe body, the preheated steel pipe body becomes more flexible, the plastic deformation capacity of the steel pipe body is improved, the steel pipe body is more likely to deform without being easily broken during subsequent rounding and straightening, and it is easier to adjust the shape of the steel pipe body, and the resistance and energy consumption in the straightening process are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is a movable seat top view structural schematic diagram of the utility model;

[0019] Figure 3 It is a preheating mechanism side view sectional structure schematic diagram of the utility model;

[0020] Figure 4 It is a buffer sleeve sectional structure schematic diagram of the utility model.

[0021] In the drawing: 1, rack; 2, preheating mechanism; 201, heating jacket; 202, heat preservation layer; 203, heating pipe; 204, pipe conveying passage; 3, movable seat; 4, frame; 5, driving motor; 6, screw rod; 7, pressing wheel; 8, cleaning chamber; 9, cleaning roller brush; 10, steel pipe body; 11, supporting wheel; 12, fixing seat; 13, fixing ring; 14, driving block; 15, guiding sleeve; 16, buffer sleeve; 17, buffer spring; 18, pressure receiving support. 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 An embodiment provided by the utility model: a steel pipe roundness adjusting and straightening machine, comprising: a rack 1, further comprising

[0024] A fixed seat 12 is arranged at the central position of the top of the rack 1, and the fixed seat 12 is uniformly provided with a plurality of supporting wheels 11;

[0025] A movable seat 3 is arranged above the fixed seat 12, and the movable seat 3 is uniformly distributed with a plurality of pressing wheels 7, and the steel pipe body 10 passes through between the pressing wheels 7 and the supporting wheels 11;

[0026] A preheating mechanism 2 is arranged at one end of the top of the rack 1, and the preheating mechanism 2 comprises a heating sleeve 201 and a pipe conveying channel 204, and the pipe conveying channel 204 is arranged at the central position inside the heating sleeve 201;

[0027] The preheating mechanism 2 further comprises a heating pipe 203, and the heating pipe 203 is uniformly clamped outside the pipe conveying channel 204, and the steel pipe body 10 passes through the pipe conveying channel 204;

[0028] The steel pipe body 10 that needs to be adjusted in roundness and straightness first enters the pipe conveying channel 204 in the preheating mechanism 2, and the heating pipe 203 generates heat after being electrified, and the steel pipe body 10 is heated;

[0029] The preheating mechanism 2 further comprises a heat preservation layer 202, and the heat preservation layer 202 is arranged on the inner side wall of the heating sleeve 201, and the heat preservation layer 202 is made of rock wool material, which is beneficial to slow down the temperature loss and play a certain energy-saving role;

[0030] The heating pipe 203 is uniformly clamped outside the pipe conveying channel 204, which can quickly and uniformly heat the steel pipe body 10. The preheated steel pipe body 10 becomes more flexible, improves the plastic deformation capacity of the steel pipe body 10, makes the steel pipe body 10 more easily deformed without breaking during subsequent roundness adjustment and straightening, and helps to more easily adjust the shape of the steel pipe body 10, reduces the resistance and energy consumption in the straightening process;

[0031] A plurality of fixed rings 13 are uniformly arranged outside the heating sleeve 201, and the fixed rings 13 are arranged in three groups, which are beneficial to externally support the heating sleeve 201, so that it is not easy to deform due to high temperature;

[0032] The preheated steel pipe body 10 enters between the press wheel 7 and the supporting wheel 11, and is adjusted and straightened by the extrusion of the press wheel 7 and the supporting wheel 11, so as to ensure that the steel pipe body 10 reaches the best straightening and repairing effect;

[0033] The top of the fixed seat 12 is provided with a frame body 4, and a lead screw 6 is arranged at the central position in the frame body 4; a driving block 14 is sleeved on the lead screw 6, and the driving block 14 is connected with the movable seat 3;

[0034] A driving motor 5 is fixed at the central position of the top of the frame body 4, and the output end of the driving motor 5 is connected with the lead screw 6;

[0035] The driving motor 5 can drive the lead screw 6 to rotate, so that the driving block 14 moves up and down along the lead screw 6, so that the distance between the press wheel 7 and the supporting wheel 11 can be adjusted according to the specifications of the steel pipe body 10;

[0036] Preferably, the two ends of the movable seat 3 close to the frame body 4 are provided with guide sleeves 15, and the guide sleeves 15 are sleeved with the two sides of the frame body 4, so as to guide and limit the lifting of the movable seat 3;

[0037] One end of the top of the rack 1 is provided with a cleaning chamber 8, and the two sides in the cleaning chamber 8 are provided with buffer sleeves 16; the inside of the buffer sleeve 16 is provided with a pressure support 18 through a buffer spring 17, and one end of the pressure support 18 is provided with a cleaning roller brush 9;

[0038] The straightened steel pipe body 10 enters the cleaning chamber 8, and the cleaning roller brush 9 brushes off the impurities and dust, so as to improve the cleanliness; the top of the pressure support 18 extrudes the buffer spring 17 in the buffer sleeve 16, so that the position of the cleaning roller brush 9 is telescopic and self-adapting, and the steel pipe body 10 of different specifications can be cleaned;

[0039] The specific model and specification of the driving motor 5 and the heating pipe 203 need to be determined according to the specification parameters and the like of the device, and the selection calculation method is the prior art, so it will not be described in detail.

[0040] Working principle: in use, the steel pipe body 10 needing to be adjusted in roundness and straightness first enters the pipe conveying channel 204 in the preheating mechanism 2, the heating pipe 203 generates heat after being electrified, the steel pipe body 10 is heated, the heat preservation layer 202 is made of rock wool, which is beneficial to slow down temperature loss and play a certain energy-saving role, the heating pipe 203 is uniformly hooped on the outside of the pipe conveying channel 204, the heating speed of the steel pipe body 10 is fast and the heating is more uniform, the preheated steel pipe body 10 becomes more flexible, the plastic deformation ability of the steel pipe body 10 is improved, the steel pipe body 10 is more prone to deformation without being easily broken during subsequent adjustment in roundness and straightness, which is helpful to more easily adjust the shape of the steel pipe body 10, reduce resistance and energy consumption in the straightening process, the preheated steel pipe body 10 enters between the compression wheel 7 and the supporting wheel 11, the steel pipe body 10 is adjusted in roundness and straightness through the extrusion action of the compression wheel 7 and the supporting wheel 11, the steel pipe body 10 reaches the best straightening and repairing effect, the driving motor 5 can drive the screw rod 6 to rotate, the driving block 14 moves up and down along the screw rod 6, so that the distance between the compression wheel 7 and the supporting wheel 11 can be adjusted according to the specification of the steel pipe body 10, the straightened steel pipe body 10 enters the cleaning chamber 8, and the impurities and dust are brushed off by the cleaning roller brush 9, so that the cleanliness is improved.

[0041] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0042] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or combination thereof.

[0043] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0044] The above merely is preferred embodiment of the present utility model, and is not used for limiting the present utility model, for the person skilled in the art, the present utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present utility model should be contained in the protection scope of the present utility model.

Claims

1. A pipe straightening and sizing machine for steel pipe, comprising: The utility model relates to a steel pipe preheating device, which comprises a rack (1), a fixed seat (12), a movable seat (3), a preheating mechanism (2) and a cleaning chamber (8). The fixed seat (12) is arranged at the central position of the top of the rack (1), and the fixed seat (12) is uniformly provided with a plurality of supporting wheels (11). The movable seat (3) is arranged above the fixed seat (12), and the movable seat (3) is uniformly provided with a plurality of pressing wheels (7). The preheating mechanism (2) is arranged at one end of the top of the rack (1), and the preheating mechanism (2) comprises a heating sleeve (201) and a pipe conveying channel (204). The preheating mechanism (2) further comprises a plurality of heating pipes (203) which are uniformly sleeved outside the pipe conveying channel (204), and the steel pipe body (10) passes through the pipe conveying channel (204).

2. A pipe straightening and rounding machine according to claim 1, characterized in that: One end of the top of the rack (1) is provided with a cleaning chamber (8), and both sides of the inside of the cleaning chamber (8) are provided with a plurality of buffer sleeves (16).

3. A pipe straightening and rounding machine as claimed in claim 1, characterized in that: The inside of the buffer sleeve (16) is provided with a plurality of pressure receiving supports (18) through a plurality of buffer springs (17), and one end of the pressure receiving support (18) is provided with a cleaning roller brush (9).

4. A pipe straightening and rounding machine as defined in claim 1, characterized in that: The preheating mechanism (2) further comprises a thermal insulation layer (202) arranged on the inner side wall of the heating sleeve (201), and the thermal insulation layer (202) is made of rock wool material.

5. A pipe straightening and sizing machine as defined in claim 1, wherein: The outside of the heating sleeve (201) is uniformly provided with a plurality of fixing rings (13), and the fixing ring (13) is provided with three groups.

6. A pipe straightening and sizing machine as claimed in claim 5, wherein: The top of the fixed seat (12) is provided with a frame body (4), and the central position of the inside of the frame body (4) is provided with a lead screw (6).

7. A pipe straightening and sizing machine as defined in claim 5 wherein: The top of the frame body (4) is fixed with a driving motor (5) at the central position, and the output end of the driving motor (5) is connected with the lead screw (6). Both ends of the movable seat (3) near the frame body (4) are provided with a plurality of guide sleeves (15), and the guide sleeve (15) is slidingly sleeved with both sides of the frame body (4).

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