Straightening device for welded pipe machining

Abstract

The invention relates to a straightening device for welded pipe machining, comprising a straightening plate, a plurality of straightening holes are equidistantly formed in the straightening plate, the diameters of the straightening holes are different, and the diameters of the straightening holes are gradually increased in sequence from front to back; a plurality of positioning holes are formed in the positioning plate at equal intervals, the diameters of the positioning holes are different, the diameters of the positioning holes are sequentially increased from front to back, and the positioning holes with the same diameter and the straightening holes with the same diameter are oppositely formed in the left-right direction. According to the overall structure, a first electric telescopic rod is started to drive a corresponding extrusion block to move outwards, so that the end of a straightening pipe inserted into a positioning hole is extruded and positioned, then a lead screw is started to drive a positioning plate to move rightwards, the straightening pipe can be pulled to move rightwards, and under the action of the straightening hole, the end of the straightening pipe can be accurately positioned. And the straightening pipe can be straightened until the left end of the straightening pipe completely moves to the right end of the straightening hole, namely the straightening pipe passes through the straightening hole.

Description

Technical Field

[0001] The present application relates to the technical field of welded pipe processing, and in particular to a straightening device for welded pipe processing. Background Art

[0002] The welding principle of high-frequency straight seam welded pipes mainly utilizes the skin effect and proximity effect of high-frequency current to achieve welding. When high-frequency current passes through the weldment, the energy is mainly concentrated on the surface of the weldment. This characteristic can be used to quickly heat the surface metal of the weldment, thereby achieving welding. Specifically, the high-frequency current produces local heating in the weldment, heating the edge of the tube blank to a molten state, and then pressure welding is performed under the action of the extrusion roller to eventually form a solid weld. The application areas of high-frequency straight seam welded pipes include civil construction, petrochemicals, light industry and other departments. High-frequency welded steel pipes have the advantages of no need for weld fillers, no welding spatter, narrow welding heat-affected zone, beautiful welding shape, and good welding mechanical properties. Therefore, they are widely used in these fields. Before pipeline welding, the pipeline needs to be straightened, but when ordinary straightening devices are used, the straightening of the pipeline is inconvenient, and the positioning of the end of the pipeline is difficult. Therefore, we propose a straightening device for welded pipe processing. Summary of the invention

[0003] The present application provides a straightening device for welding pipe processing to solve the above-mentioned problems.

[0004] The present application provides a straightening device for welding pipe processing, comprising: A straightening plate, wherein a plurality of straightening holes are formed at equal intervals on the straightening plate, the diameters of the straightening holes are different, and the diameters of the straightening holes increase from front to back; A positioning plate, wherein a plurality of positioning holes are equidistantly formed on the positioning plate, the diameters of the positioning holes are different, and the diameters of the positioning holes increase from front to back, and the positioning holes and the alignment holes of the same diameter are arranged opposite to each other on the left and right; The upper and lower sides of the interior of the positioning hole are movably provided with extrusion blocks, and the four corners of the opposite surfaces of the extrusion blocks are movably plugged into the four corners of the upper and lower stabilizing plates through sliding rods, and the right end of the stabilizing plate is fixedly connected with a connecting plate, and the middle part of the left end of the connecting plate is fixedly connected with a supporting plate, and the upper and lower ends of the supporting plate are fixedly connected with a first electric telescopic rod, and the transmission rod of the first electric telescopic rod is correspondingly transmission-connected with the extrusion blocks, and the right end of the connecting plate is fixedly connected with a fixed strip plate, and the left end of the fixed strip plate is fixedly connected to the right end of the positioning plate; A plurality of unloading rods are provided, and the unloading rods are respectively arranged on the upper and lower sides of the positioning hole, and the right ends of the unloading rods are fixedly connected to the left end of the push-pull plate, and a second electric telescopic rod is fixedly connected to the middle part of the right end of the push-pull plate.

[0005] Preferably, the lower parts of the front and rear ends of the positioning plate are fixedly connected to transmission plates with lead screws, and the lead screws are fixedly connected to the front and rear ends of the processing table.

[0006] Preferably, the upper and lower sides of the right end of the positioning plate are fixedly connected to the limiting shell through a connecting frame, the interior of the limiting shell is movably connected with a push-pull plate, and the second electric telescopic rod is fixedly connected to the right end of the limiting shell.

[0007] Preferably, a feed opening is opened in the middle of the processing table, and a connecting frame is fixedly connected to the left and right sides of the lower end of the feed opening, and a lifting plate is movably connected to the inner upper end of the connecting frame, and a displacement plate which can be displaced forward and backward is provided on the upper end of the lifting plate, and a support frame is fixedly connected to the left and right sides of the upper end of the displacement plate.

[0008] Preferably, a third electric telescopic rod is fixedly connected to the left and right sides of the lower end of the lifting plate, the third electric telescopic rod is fixedly connected to the left and right sides of the connecting support plate, and the two ends of the connecting support plate are fixedly connected to the middle part between the connecting frames.

[0009] Preferably, slide rails are fixedly connected to the left and right sides of the lower end of the displacement plate, and the slide rails are movably inserted into the upper end slide grooves of the lifting plate.

[0010] Preferably, a connecting block is fixedly connected to the rear end of the displacement plate, a fourth electric telescopic rod is fixedly connected to the front side of the lower end of the connecting block, and the upper end of the fourth electric telescopic rod is fixedly connected to the lower end of the lifting plate.

[0011] Preferably, a plurality of support openings are provided on the upper side of the support frame, the diameters of the support openings are different, and the diameters of the support openings increase successively from front to back, and the support openings of the same diameter and the straightening holes of the same diameter are opened opposite to each other on the left and right.

[0012] Preferably, the outer sides of the extrusion blocks are all in an arc shape.

[0013] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art: The overall structure provided by the embodiment of the present application starts the corresponding first electric telescopic rod, which drives the corresponding extrusion block to move outward, thereby extruding the end of the straightening tube inserted in the positioning hole, and positioning the end of the straightening tube, and then starts the lead screw, thereby driving the positioning plate to move rightward, which will pull the straightening tube to move rightward, and under the action of the straightening hole, the straightening tube will be straightened until the left end of the straightening tube is completely displaced to the right end of the straightening hole, that is, passes through the straightening hole; The first electric telescopic rod drives the extrusion block to move relative or oppositely. The setting of the slide rod can make the displacement of the extrusion block more stable, and make it more convenient and quick to fix the extrusion block to the straightening pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0015] In order to more clearly illustrate the embodiments of the present application 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, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is the overall structural diagram of the positioning plate of the present invention; Figure 3 It is the overall structure diagram of the extrusion block of the present invention; Figure 4 For the present invention Figure 1 Enlarged view of point A in the middle; Figure 5 It is a cross-sectional view of the connection between the lifting plate and the displacement plate of the present invention; Figure 6 It is a cross-sectional view of the limiting shell of the present invention.

[0017] In the figure: 1. processing table; 2. straightening plate; 3. straightening hole; 4. positioning plate; 5. connecting frame; 6. limit shell; 7. second electric telescopic rod; 8. lead screw; 9. unloading port; 10. connecting frame; 11. lifting plate; 12. third electric telescopic rod; 13. displacement plate; 14. support frame; 15. support port; 16. positioning hole; 17. extrusion block; 18. connecting plate; 19. support plate; 20. stabilizing plate; 21. first electric telescopic rod; 22. sliding rod; 23. unloading rod; 24. fixing strip; 25. push-pull plate; 26. slide rail; 27. connecting support plate; 28. connecting block; 29. ​​fourth electric telescopic rod. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution 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 part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0019] Various embodiments of the present application may exist in the form of a range. It should be understood that the description in the form of a range is only for convenience and simplicity and should not be understood as a hard limit to the scope of the present application; therefore, it should be considered that the range description has specifically disclosed all possible sub-ranges and single values ​​within the range. For example, it should be considered that the range description from 1 to 6 has specifically disclosed sub-ranges, such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., as well as single numbers within the range, such as 1, 2, 3, 4, 5 and 6, which are applicable regardless of the range. In addition, whenever a numerical range is indicated in the present application, it is meant to include any quoted numbers (fractions or integers) within the indicated range. Unless otherwise specified, various raw materials, reagents, instruments and equipment used in the present application, etc., can be purchased from the market or can be prepared by existing equipment.

[0020] In the present application, in the absence of any contrary description, the directional words used, such as "upper" and "lower", are specifically the directions of the drawings in the accompanying drawings. In addition, in the present application, the terms "include", "comprise", etc. refer to "including but not limited to". In the present application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. In the present application, "and / or" describes the association relationship of the associated objects, indicating that three relationships may exist, for example, A and / or B, which can represent: A exists alone, A and B exist at the same time, and B exists alone. Wherein A, B can be singular or plural. In the present application, "at least one" refers to one or more, and "plural" refers to two or more. "At least one", "at least one of the following" or similar expressions refer to any combination of these items, including any combination of singular items or plural items. For example, "at least one of a, b, or c" or "at least one of a, b and c" can both mean: a, b, c, ab, i.e. a and b, ac, bc, or abc, where a, b, c can be single or plural, respectively.

[0021] like Figure 1-Figure 6 As shown: The embodiment of the present application provides a straightening device for welding pipe processing, comprising: A straightening plate 2, wherein a plurality of straightening holes 3 are equidistantly formed on the straightening plate 2, wherein the diameters of the straightening holes 3 are different and the diameters of the straightening holes 3 increase from the front to the back; A positioning plate 4, wherein a plurality of positioning holes 16 are equidistantly formed on the positioning plate 4, wherein the diameters of the positioning holes 16 are different, and the diameters of the positioning holes 16 increase from front to back, and the positioning holes 16 of the same diameter are arranged opposite to the straightening holes 3 of the same diameter on the left and right; The upper and lower sides of the interior of the positioning hole 16 are movably provided with an extrusion block 17, and the four corners of the opposite surfaces of the extrusion block 17 are movably plugged into the four corners of the upper and lower stabilizing plates 20 through sliding rods 22, and the right end of the stabilizing plate 20 is fixedly connected with a connecting plate 18, and the middle part of the left end of the connecting plate 18 is fixedly connected with a supporting plate 19, and the upper and lower ends of the supporting plate 19 are fixedly connected with a first electric telescopic rod 21, and the transmission rod of the first electric telescopic rod 21 is correspondingly transmission-connected to the extrusion block 17, and the right end of the connecting plate 18 is fixedly connected with a fixed strip plate 24, and the left end of the fixed strip plate 24 is fixedly connected to the right end of the positioning plate 4; The material discharge rod 23 is provided in plurality and is respectively arranged on the upper and lower sides of the positioning hole 16 , and the right ends of the material discharge rods 23 are fixedly connected to the left end of the push-pull plate 25 , and the middle part of the right end of the push-pull plate 25 is fixedly connected to the second electric telescopic rod 7 .

[0022] Specifically: the first electric telescopic rod 21 adopts the existing telescopic rod on the market, and the first electric telescopic rod 21 drives the extrusion block 17 to move relative or oppositely. The setting of the slide rod 22 can make the displacement of the extrusion block 17 more stable. The second electric telescopic rod 7 adopts the existing telescopic rod on the market, so that the push-pull plate 25 moves left and right.

[0023] like Figure 1 As shown: the lower parts of the front and rear ends of the positioning plate 4 are fixedly connected to the transmission plates of the lead screw 8, and the lead screw 8 is fixedly connected to the front and rear ends of the processing table 1.

[0024] Specifically, the lead screw 8 adopts an existing lead screw on the market, and the transmission source of the lead screw 8 is a motor. The motor drives the screw of the lead screw 8 to rotate, so that the transmission plate is displaced, and the positioning plate 4 is driven to be displaced.

[0025] like Figure 6 As shown: the upper and lower sides of the right end of the positioning plate 4 are fixedly connected to the limiting housing 6 through the connecting frame 5, the interior of the limiting housing 6 is movably connected with a push-pull plate 25, and the second electric telescopic rod 7 is fixedly connected to the right end of the limiting housing 6.

[0026] Specifically, the push-pull plate 25 can drive the blanking rod 23 to move left and right.

[0027] like Figure 1As shown: a feed opening 9 is provided in the middle of the processing table 1, and a connecting frame 10 is fixedly connected to the left and right sides of the lower end of the feed opening 9, and a lifting plate 11 is movably connected to the inner upper end of the connecting frame 10, and a displacement plate 13 that can be displaced forward and backward is provided on the upper end of the lifting plate 11, and a support frame 14 is fixedly connected to the left and right sides of the upper end of the displacement plate 13.

[0028] Specifically, the material discharge port 9 is a space for the lifting plate 11 to move up and down.

[0029] like Figure 1 As shown: the third electric telescopic rod 12 is fixedly connected to the left and right sides of the lower end of the lifting plate 11, and the third electric telescopic rod 12 is fixedly connected to the left and right sides of the connecting support plate 27, and the two ends of the connecting support plate 27 are fixedly connected to the middle part between the connecting frame 10.

[0030] Specifically, the third electric telescopic rod 12 adopts an existing telescopic rod on the market, which is a prior art. The third electric telescopic rod 12 can drive the lifting plate 11 to move up and down.

[0031] like Figure 5 As shown, the left and right sides of the lower end of the displacement plate 13 are fixedly connected with slide rails 26 , and the slide rails 26 are movably inserted into the upper end slide groove of the lifting plate 11 .

[0032] Specifically, the cooperation between the slide rail 26 and the slide groove can make the front-rear displacement of the displacement plate 13 more stable.

[0033] like Figure 5 As shown: the rear end of the displacement plate 13 is fixedly connected with a connecting block 28 , the front side of the lower end of the connecting block 28 is fixedly connected with a fourth electric telescopic rod 29 , and the upper end of the fourth electric telescopic rod 29 is fixedly connected to the lower end of the lifting plate 11 .

[0034] Specifically, the fourth electric telescopic rod 29 adopts the existing telescopic rod on the market, which is the existing technology. The fourth electric telescopic rod 29 drives the connecting block 28 to move forward and backward, so that the displacement plate 13 moves forward and backward.

[0035] like Figure 1 As shown: a plurality of support openings 15 are provided on the upper side of the support frame 14, the diameters of the support openings 15 are different, and the diameters of the support openings 15 increase from front to back, and the support openings 15 of the same diameter are opened opposite to the straightening holes 3 of the same diameter on the left and right.

[0036] Specifically, the support opening 15 can support the straightening pipe.

[0037] like Figure 2 As shown: the outer sides of the extrusion blocks 17 are all in arc shape.

[0038] Specifically, the extrusion block 17 is displaced in the opposite direction to extrude the end of the straightening tube.

[0039] Principle of use: When the equipment is in use, the third electric telescopic rod 12 is first started, and the third electric telescopic rod 12 drives the lifting plate 11 and the upper structure to move downward, so that the uppermost end of the support frame 14 moves to a position lower than the upper end of the processing table 1; Then start the lead screw 8, thereby driving the positioning plate 4 and the right connecting structure to move to the left, so that the straightening plate 2 and the positioning plate 4 are close together, and at the same time the discharge rod 23 moves to the right and out of the positioning hole 16; Then, according to the diameter of the straightening hole 3, a straightening hole 3 of a suitable diameter is selected, and then the pipe to be straightened is inserted into the straightening hole 3, and then inserted into the corresponding positioning hole 16 through the straightening hole 3, and then the corresponding first electric telescopic rod 21 is started, and the corresponding extrusion block 17 is driven to move outward, thereby squeezing and inserting the end of the straightening pipe inserted in the positioning hole 16, and positioning the end of the straightening pipe, and then the lead screw 8 is started, thereby driving the positioning plate 4 to move rightward, which will pull the straightening pipe to move rightward, and under the action of the straightening hole 3, the straightening pipe will be straightened until the left end of the straightening pipe is completely displaced to the right end of the straightening hole 3, that is, passing through the straightening hole 3; Then, the third electric telescopic rod 12 is started to drive the lifting plate 11 to move upward, so that the support frame 14 moves upward, and the support frame 14 supports the straightened straightening tube, and then the first electric telescopic rod 21 is started to drive the extrusion block 17 to move relatively without squeezing the end of the straightening tube, and then the second electric telescopic rod 7 is started again to drive the push-pull plate 25 to move leftward, and drive each feeding rod 23 to move leftward, so that the straightening tube inserted in the positioning hole 16 will move leftward and leave the positioning hole 16; Then, the third electric telescopic rod 12 is started again to drive the lifting plate 11 to move upward, so that the lifting plate 11 moves upward, so that the lower end of the lifting plate 11 is higher than the upper end of the processing table 1, and the fourth electric telescopic rod 29 is started to drive the connecting block 28 and the displacement plate 13 to move backward, thereby driving the straightening pipe supported on the upper end of the support frame 14 to move backward to the set position, and the straightening pipe is transferred to the next processing station through the unloading lifting mechanism.

[0040] The above is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. It will be apparent to those skilled in the art that various modifications to these embodiments are possible, and the general principles defined in the present application can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown in the present application, but will conform to the widest scope consistent with the principles and novel features applied for by the present application.

Claims

1. A straightening device for welding pipe processing, characterized in that: include: A straightening plate (2), wherein a plurality of straightening holes (3) are formed on the straightening plate (2) at equal intervals, the straightening holes (3) have different diameters, and the diameters of the straightening holes (3) increase in sequence from front to back; A positioning plate (4), wherein a plurality of positioning holes (16) are formed on the positioning plate (4) at equal intervals, the diameters of the positioning holes (16) are different, and the diameters of the positioning holes (16) increase from front to back, and the positioning holes (16) and the straightening holes (3) of the same diameter are arranged opposite to each other on the left and right; The upper and lower sides of the interior of the positioning hole (16) are movably provided with an extrusion block (17); the four corners of the opposite surfaces of the extrusion block (17) are movably plugged into the four corners of the upper and lower stabilizing plates (20) through sliding rods (22), and the right end of the stabilizing plate (20) is fixedly connected to a connecting plate (18); the middle part of the left end of the connecting plate (18) is fixedly connected to a supporting plate (19); the upper and lower ends of the supporting plate (19) are fixedly connected to a first electric telescopic rod (21); the transmission rod of the first electric telescopic rod (21) is correspondingly transmission-connected to the extrusion block (17); the right end of the connecting plate (18) is fixedly connected to a fixed strip plate (24); the left end of the fixed strip plate (24) is fixedly connected to the right end of the positioning plate (4); A plurality of material discharge rods (23) are provided, and the material discharge rods (23) are respectively arranged on the upper and lower sides of the positioning hole (16), and the right ends of the material discharge rods (23) are fixedly connected to the left end of the push-pull plate (25), and a second electric telescopic rod (7) is fixedly connected to the middle part of the right end of the push-pull plate (25).

2. A straightening device for welding pipe processing according to claim 1, characterized in that: The lower parts of the front and rear ends of the positioning plate (4) are fixedly connected to transmission plates of a lead screw (8), and the lead screw (8) is fixedly connected to the front and rear ends of the processing table (1).

3. A straightening device for welding pipe processing according to claim 1, characterized in that: The upper and lower sides of the right end of the positioning plate (4) are fixedly connected to the limit housing (6) via a connecting frame (5); a push-pull plate (25) is movably connected inside the limit housing (6); and the second electric telescopic rod (7) is fixedly connected to the right end of the limit housing (6).

4. A straightening device for welding pipe processing according to claim 2, characterized in that: A material discharge opening (9) is provided in the middle of the processing table (1), and a connecting frame (10) is fixedly connected to the left and right sides of the lower end of the material discharge opening (9), and a lifting plate (11) is movably connected to the inner upper end of the connecting frame (10), and a displacement plate (13) that can be displaced forward and backward is provided at the upper end of the lifting plate (11), and a support frame (14) is fixedly connected to the left and right sides of the upper end of the displacement plate (13).

5. A straightening device for welding pipe processing according to claim 4, characterized in that: The left and right sides of the lower end of the lifting plate (11) are fixedly connected to third electric telescopic rods (12), the third electric telescopic rods (12) are fixedly connected to the left and right sides of the connecting support plate (27), and the two ends of the connecting support plate (27) are fixedly connected to the middle part between the connecting frames (10).

6. A straightening device for welding pipe processing according to claim 4, characterized in that: Slide rails (26) are fixedly connected to the left and right sides of the lower end of the displacement plate (13), and the slide rails (26) are movably inserted into the upper slide groove of the lifting plate (11).

7. A straightening device for welding pipe processing according to claim 6, characterized in that: A connecting block (28) is fixedly connected to the rear end of the displacement plate (13), a fourth electric telescopic rod (29) is fixedly connected to the front side of the lower end of the connecting block (28), and the upper end of the fourth electric telescopic rod (29) is fixedly connected to the lower end of the lifting plate (11).

8. A straightening device for welding pipe processing according to claim 4, characterized in that: A plurality of support openings (15) are provided on the upper side of the support frame (14); the diameters of the support openings (15) are different, and the diameters of the support openings (15) increase in sequence from front to back; and the support openings (15) of the same diameter are opened opposite to the straightening holes (3) of the same diameter on the left and right.

9. A straightening device for welding pipe processing according to claim 1, characterized in that: The outer sides of the extrusion blocks (17) are all in an arc shape.

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