CN215658787U

CN215658787U - Concentric reducing pipe welding equipment

Info

Publication number: CN215658787U
Application number: CN202121107374.5U
Authority: CN
Inventors: 姚继蔚; 张腾; 吴超辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-23
Filing date: 2021-05-23
Publication date: 2022-01-28
Anticipated expiration: 2031-05-23

Abstract

The utility model discloses a concentric reducing pipe welding device, which comprises: the clamping device comprises a base, a first clamping single body and a second clamping single body; the first clamping single body and the second clamping single body are of mirror symmetry structures, the first clamping single body and the second clamping single body are fixed on a base of a long plate structure, the lower fastener is fixed on the base, the upper surface of the lower fastener is a horizontal plane, a semicircular upper fastener is arranged on the upper surface of the lower fastener, a common circular through hole is formed between the lower fastener and the upper fastener to form a clamping hole, the lower fastener and the upper fastener are hinged through a hinge shaft on one side of the clamping hole, and a rotating pair is formed between the lower fastener and the upper fastener through the hinge shaft; the upper fastener and the lower fastener are provided with sliding chutes, second sliding teeth and first sliding teeth are embedded in the sliding chutes, and the second sliding teeth and the first sliding teeth are respectively connected with the telescopic end of a servo electric cylinder; the utility model has the beneficial effects that: the welding precision and the strength and the sealing performance of the welded reducing pipe are ensured.

Description

Concentric reducing pipe welding equipment

Technical Field

The utility model relates to the field of machining, in particular to concentric reducing pipe welding equipment.

Background

When concentric reducing pipe fittings are welded in large pipe parts, the large pipes are thick large pipelines, heavy and thick, and the pipelines are difficult to move, so when two sections of large concentric reducing pipe fittings are welded, the concentric butt joint and the fixation of the two sections of concentric reducing pipe fittings are time-consuming and labor-consuming, if the concentric alignment and the fixation are not in place, the pipeline strength is reduced or the welding sealing is not tight, when some precise parts are machined, the concentric reducing pipes or the concentric reducing columns are often used for welding, and the conventional clamp is difficult to accurately clamp concentrically, so that the precision of the precise parts is influenced; therefore, the prior art needs a concentric reducing pipe welding device for welding concentric reducing pipe fittings or column parts.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a welding apparatus for concentric pipes, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a concentric reducer welding apparatus, comprising: the clamping device comprises a base, a first clamping single body and a second clamping single body; the first clamping single body and the second clamping single body are of mirror symmetry structures, the first clamping single body and the second clamping single body are fixed at two ends of a base of a long plate structure, each of the first clamping single body and the second clamping single body is composed of a lower fastener, an upper fastener, a hinge shaft, a fastening shaft, a first fastening bolt, a sheet bolt cap, a fastening groove, a convex rod, a sliding groove, a first sliding tooth, a second sliding tooth, a folding frame, a servo electric cylinder, a pressure sensor, a fastening groove, a second fastening bolt and a clamping hole, the lower fastener is fixed on the base, the upper surface of the lower fastener is a horizontal plane, the upper fastener of the lower fastener is provided with a semi-ring structure, a common circular through hole is arranged between the lower fastener and the upper fastener to form a clamping hole, the lower fastener and the upper fastener are hinged through the hinge shaft at one side of the clamping hole to form a rotary pair, the lower fastener and the upper fastener are provided with a common vertical grooving to form two groups of fastening grooves at one side far away from the hinge shaft, a first fastening bolt is clamped in a fastening groove of the lower fastener through a fastening shaft, the axial lead of the first fastening bolt is perpendicular to the axial lead of the fastening shaft, the first fastening bolt forms a rotating pair through the fastening shaft and the fastening groove of the lower fastener, a sheet-shaped bolt cap is matched on the first fastening bolt through threads, the rotatable sheet-shaped bolt cap clamps the fastening groove sides of the lower fastener and the upper fastener mutually, a group of vertical convex rods are arranged on the upper fastener, two groups of convex rods are arranged on the lower fastener, three groups of convex rods are arranged in a circular array around the axial lead of a clamping hole, each group of convex rods is provided with a sliding groove communicated with the clamping hole, a first sliding tooth is embedded in the sliding groove of the upper fastener, a second sliding tooth is embedded in the sliding groove of the lower fastener, a servo electric cylinder is fixed on each group of convex rods through a folding frame of a channel steel structure, the base of the servo electric cylinder is fixed on the folding frame, and a reserved hole for the telescopic end of the servo electric cylinder to penetrate through is arranged on the end face of each group of the convex rods, the telescopic end of the servo electric cylinder penetrates through a preformed hole in the end face of the convex rod and is fixed on the outer end face of the first sliding tooth or the second sliding tooth close to the preformed hole.

Preferably, the flaky bolt cap is provided with a flaky screwing piece which is convenient for screwing by hand.

Preferably, the first sliding tooth is of a double-section structure, and the double-section structure is connected with the first sliding tooth through a pressure sensor.

Preferably, the outer sides of the lower fastener and the upper fastener are provided with groove opening type openings communicated with the sliding groove, and a second fastening bolt is embedded in each opening and is screwed and fixed on the first sliding tooth or the second sliding tooth.

Preferably, the first sliding tooth, the pressure sensor and the second sliding tooth have the same overall length and width.

Compared with the prior art, the utility model has the beneficial effects that:

through the establishment of the first clamping unit and the second clamping unit, all the servo electric cylinders on the first clamping unit can be controlled to synchronously extend through the servo controller connected with the servo electric cylinders on the first clamping unit, so as to drive the first sliding teeth and the second sliding teeth on the first clamping unit to synchronously and internally clamp, so as to clamp and fix the reducing pipes in the clamping holes of the second clamping unit, and then through the servo controller connected with the servo electric cylinders on the second clamping unit, all the servo electric cylinders on the second clamping unit are controlled to synchronously extend, so as to drive the first sliding teeth and the second sliding teeth on the second clamping unit to synchronously and internally clamp, so as to clamp and fix the reducing pipes in the clamping holes of the second clamping unit, because the first clamping unit and the second clamping unit are of mirror symmetry structures, the clamping holes on the first clamping unit and the second clamping unit are concentric holes, so that two sections of reducing pipes can be concentrically clamped and fixed, the method is used for automatic clamping stop, and is used for clamping the reducing pipe to the maximum extent under the condition that the clamping force is not judged manually, and the reducing pipe cannot be damaged, so that the welding precision and the strength and the sealing performance of the welded reducing pipe are ensured.

Drawings

Fig. 1 is a schematic perspective view of a concentric reducer welding apparatus.

Fig. 2 is a schematic side view of a concentric reducer welding apparatus.

Fig. 3 is a schematic cross-sectional view of a concentric reducer welding apparatus.

In the figure: 1. a base; 2. a first clamping unit; 3. a second clamping unit; 4. a lower fastener; 5. an upper fastener; 6. a hinge shaft; 7. fastening the shaft; 8. a first fastening bolt; 9. a sheet-shaped bolt cap; 10. buckling grooves; 11. a nose bar; 12. a chute; 13. a first sliding tooth; 14. a second sliding tooth; 15. folding the frame; 16. a servo electric cylinder; 17. a pressure sensor; 18. a fastening groove; 19. a second fastening pin; 20. and (6) clamping the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a concentric reducer welding apparatus includes: the clamping device comprises a base 1, a first clamping single body 2 and a second clamping single body 3; the first clamping single body 2 and the second clamping single body 3 are mirror-symmetrical structures, the first clamping single body 2 and the second clamping single body 3 are fixed at two ends of a base 1 of a long plate structure, each of the first clamping single body 2 and the second clamping single body 3 is composed of a lower fastener 4, an upper fastener 5, a hinge shaft 6, a fastening shaft 7, a first fastening bolt 8, a sheet bolt cap 9, a fastening groove 10, a convex rod 11, a sliding groove 12, a first sliding tooth 13, a second sliding tooth 14, a folding frame 15, a servo electric cylinder 16, a pressure sensor 17, a fastening groove 18, a second fastening bolt 19 and a clamping hole 20, the lower fastener 4 is fixed on the base 1, the upper surface of the lower fastener 4 is a horizontal plane, the upper fastener 5 of a half ring structure is arranged on the upper surface of the lower fastener 4, a common circular through hole is arranged between the lower fastener 4 and the upper fastener 5 to form a clamping hole 20, the lower fastener 4 and the upper fastener 5 are hinged through the hinge shaft 6 at one side of the clamping hole 20, a rotating pair is formed between a lower fastener 4 and an upper fastener 5 through a hinge shaft 6, one side of the lower fastener 4 and one side of the upper fastener 5, which are far away from the hinge shaft 6, are provided with a common vertical slot to form two groups of buckling grooves 10, a first fastening bolt 8 is clamped in the buckling groove 10 of the lower fastener 4 through a fastening shaft 7, the axial lead of the first fastening bolt 8 is perpendicular to the axial lead of the fastening shaft 7, the first fastening bolt 8 forms the rotating pair through the fastening shaft 7 and the buckling groove 10 of the lower fastener 4, a sheet-shaped bolt cap 9 is matched on the first fastening bolt 8 through threads, the rotatable sheet-shaped bolt cap 9 clamps the buckling grooves 10 sides of the lower fastener 4 and the upper fastener 5 mutually, the upper fastener 5 is provided with a group of vertical convex rods 11, the lower fastener 4 is provided with two groups of convex rods 11, three groups of convex rods 11 are provided, the three groups of convex rods 11 are in a circumferential array around the axial lead of clamping holes 20, each group of convex rods 11 is provided with a sliding groove 12 communicated with the clamping holes 20, go up embedded first sliding tooth 13 in fastener 5's the spout 12, embedded second sliding tooth 14 in lower fastener 4's the spout 12, it is fixed with a servo electric jar 16 to roll over frame 15 through a channel-section steel structure on every group protruding pole 11, servo electric jar 16's base is fixed on rolling over frame 15, the terminal surface of every group protruding pole 11 is equipped with the preformed hole that supplies the flexible end of servo electric jar 16 to run through, the preformed hole that the flexible end of servo electric jar 16 runs through protruding pole 11 terminal surface is fixed at its close first sliding tooth 13 or the outer terminal surface of second sliding tooth 14.

The flaky bolt cap 9 is provided with a flaky twisting sheet which is convenient for twisting by hands.

The first sliding gear 13 is divided into two sections, and the two sections are connected by a pressure sensor 17.

The outer sides of the lower fastener 4 and the upper fastener 5 are provided with groove-opening type openings communicated with the sliding groove 12, and a second fastening bolt 19 is embedded in each opening and is screwed and fixed on the first sliding tooth 13 or the second sliding tooth 14.

The overall length and width of the first sliding tooth 13 and the pressure sensor 17 correspond to the length and width of the second sliding tooth 14.

The working principle of the utility model is as follows:

when the clamping device is used, all the servo electric cylinders 16 and the pressure sensors 17 on the first clamping single body 2 are connected with the same group of servo controllers, the servo controllers synchronously control all the servo electric cylinders 16 on the first clamping single body 2, all the servo electric cylinders 16 and the pressure sensors 17 on the second clamping single body 3 are connected with the same group of servo controllers, the servo controllers synchronously control all the servo electric cylinders 16 on the second clamping single body 3, the pressure sensors 17 are used as signal acquisition ports of the servo controllers connected with the pressure sensors, the sheet bolt caps 9 on the first clamping single body 2 and the second clamping single body 3 are unscrewed, the first fastening bolt 8 rotates downwards around the fastening shaft 7, the fastening groove 10 on the upper fastening piece 5 can be opened, the upper fastening piece 5 rotates around the hinge shaft 6, the upper fastening piece 5 can be unscrewed from the lower fastening piece 4, and then reducing pipes (or reducing columns) at two ends are respectively placed in the clamping holes 20 of the first clamping single body 2 and the second clamping single body 3, in the clamping device, the first fastening bolt 8 is reset, the sheet bolt cap 9 is screwed, the lower fastener 4 and the upper fastener 5 are fixed relatively, the servo controller connected with the servo electric cylinder 16 on the first clamping unit 2 controls all the servo electric cylinders 16 on the first clamping unit 2 to extend synchronously, so as to drive the first sliding teeth 13 and the second sliding teeth 14 on the first clamping unit to clamp and fix the reducing pipes (or reducing columns) in the clamping holes 20 of the second clamping unit 3, the servo controller connected with the servo electric cylinder 16 on the second clamping unit 3 controls all the servo electric cylinders 16 on the second clamping unit 3 to extend synchronously, so as to drive the first sliding teeth 13 and the second sliding teeth 14 on the second clamping unit to clamp and clamp the reducing pipes (or reducing columns) in the clamping holes 20 of the second clamping unit 3, because the first clamping unit 2 and the second clamping unit 3 are in a symmetrical structure, therefore, the clamping holes 20 on the first clamping unit 2 and the second clamping unit 3 are concentric holes, so that two sections of reducing pipes (or reducing columns) can be concentrically clamped and fixed, then the two sections of reducing pipes (or reducing columns) can be directly welded, or a pipeline joint is used for welding, the pressure sensor 17 is used for feeding back the clamping force of the first sliding tooth 13 on the reducing pipes (or reducing columns), when the clamping force of the first sliding tooth 13 on the reducing pipes (or reducing columns) reaches the clamping range, the servo controller receives feedback to control the servo electric cylinder 16 connected with the servo electric cylinder to stop extending, further cancel the continuous clamping on the reducing pipes (or reducing columns), the method is used for stopping automatic clamping, and is used for clamping the reducing pipes (or reducing columns) to the maximum extent under the condition that the clamping force cannot be judged manually, the reducing pipe (or the reducing column) cannot be damaged, and the welding precision and the strength and the sealing performance of the welded reducing pipe (or the reducing column) are ensured; when the clamping device is used for clamping batch reducing pipes (or reducing columns), the second fastening bolt 19 can be directly screwed to fix the second fastening bolt 19 in the fastening groove 18, and further the first sliding tooth 13 or the second sliding tooth 14 is fixed in the sliding groove 12, so that the next batch of reducing pipes (or reducing columns) can be installed and clamped only by opening the upper fastener 5 (the servo controller is an external structure of the clamping device, the pressure sensor 17 is a direct application of the clamping device, and further the control principle and the specific structure of the servo controller and the pressure sensor 17 are omitted).

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A concentric reducer welding apparatus, comprising: the clamping device comprises a base (1), a first clamping single body (2) and a second clamping single body (3); the method is characterized in that: the first clamping single body (2) and the second clamping single body (3) are of mirror symmetry structures, the first clamping single body (2) and the second clamping single body (3) are fixed at two ends of a base (1) of a long plate structure, the first clamping single body (2) and the second clamping single body (3) are respectively composed of a lower fastener (4), an upper fastener (5), a hinge shaft (6), a fastening shaft (7), a first fastening bolt (8), a sheet bolt cap (9), a fastening groove (10), a convex rod (11), a sliding chute (12), a first sliding tooth (13), a second sliding tooth (14), a folding frame (15), a servo electric cylinder (16), a pressure sensor (17), a fastening groove (18), a second fastening bolt (19) and a clamping hole (20), the lower fastener (4) is fixed on the base (1), the upper surface of the lower fastener (4) is a horizontal plane, and the upper fastener (5) of a half-ring structure is arranged on the upper surface of the lower fastener (4), a common circular through hole is arranged between the lower fastener (4) and the upper fastener (5) to form a clamping hole (20), the lower fastener (4) and the upper fastener (5) are hinged through a hinge shaft (6) at one side of the clamping hole (20), so that a rotary pair is formed between the lower fastener (4) and the upper fastener (5) through the hinge shaft (6), common vertical grooves are formed at one sides of the lower fastener (4) and the upper fastener (5) far away from the hinge shaft (6) to form two groups of buckling grooves (10), a first fastening bolt (8) is clamped in each buckling groove (10) of the lower fastener (4) through a fastening shaft (7), the axial line of the first fastening bolt (8) is mutually vertical to the axial line of the fastening shaft (7), the first fastening bolt (8) forms a rotary pair through the fastening shaft (7) and the buckling grooves (10) of the lower fastener (4), and a bolt-shaped cap (9) is matched on the first fastening bolt (8) through threads, the side of a buckling groove (10) of a lower fastener (4) and an upper fastener (5) is clamped mutually by a rotatable sheet bolt cap (9), a group of vertical convex rods (11) are arranged on the upper fastener (5), two groups of convex rods (11) are arranged on the lower fastener (4), three groups of convex rods (11) are arranged, the three groups of convex rods (11) are in a circumferential array around the axial lead of a clamping hole (20), each group of convex rods (11) is provided with a sliding groove (12) communicated with the clamping hole (20), a first sliding tooth (13) is embedded in the sliding groove (12) of the upper fastener (5), a second sliding tooth (14) is embedded in the sliding groove (12) of the lower fastener (4), a servo electric cylinder (16) is fixed on each group of convex rods (11) through a folding frame (15) of a channel steel structure, the base of the servo electric cylinder (16) is fixed on the folding frame (15), and a reserved hole for the telescopic end of the servo electric cylinder (16) to penetrate through is arranged on the end face of each group of the convex rod (11), the telescopic end of the servo electric cylinder (16) penetrates through a preformed hole on the end face of the convex rod (11) and is fixed on the outer end face of the first sliding tooth (13) or the second sliding tooth (14) close to the preformed hole.

2. A concentric reducer welding apparatus according to claim 1, wherein: the flaky bolt cap (9) is provided with a flaky twisting sheet which is convenient for twisting by hands.

3. A concentric reducer welding apparatus according to claim 1, wherein: the first sliding tooth (13) is of a double-section structure, and the double-section structure is connected through a pressure sensor (17).

4. A concentric reducer welding apparatus according to claim 1, wherein: the outer sides of the lower fastener (4) and the upper fastener (5) are provided with groove opening type openings communicated with the sliding groove (12), and a second fastening bolt (19) is embedded in each opening and screwed and fixed on the first sliding tooth (13) or the second sliding tooth (14).

5. A concentric reducer welding apparatus according to claim 1, wherein: the overall length and width of the first sliding tooth (13) and the pressure sensor (17) are the same as the length and width of the second sliding tooth (14).