CN212218090U

CN212218090U - Edge grinding device for producing spiral seam welded pipe

Info

Publication number: CN212218090U
Application number: CN202020432475.9U
Authority: CN
Inventors: 王治军; 王瑞泽; 高庆松; 李金宝; 刘永继
Original assignee: Fujian Guanyu Steel Pipe Manufacturing Co ltd
Current assignee: Fujian Guanyu Steel Pipe Manufacturing Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-12-25
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses an edging device is used in spiral seam welded pipe production in spiral seam welded pipe technical field, including the crossbeam, the equal rigid coupling in both sides of crossbeam has the dead lever, the equal horizontal rigid coupling in both sides has the guide rail around the crossbeam, the top rigid coupling of crossbeam has the rack, and two sets of be provided with the displacement subassembly that can move with the rack cooperation between the guide rail, the bottom rigid coupling of displacement subassembly has lifting unit, lifting unit's bottom rigid coupling has the diaphragm, the bottom rigid coupling of diaphragm has the bearing frame, the inside rotation of bearing frame is connected with the axis of rotation, the top fixed mounting of diaphragm has first motor, the utility model discloses an edging subassembly can realize carrying out the simultaneous polishing of terminal surface and round edge to spiral seam welded pipe to be favorable to improving the efficiency of polishing to spiral seam welded pipe; through lifting unit and displacement subassembly, can carry out position adjustment to the edging subassembly, be favorable to improving the precision of polishing to spiral seam welded pipe.

Description

Edge grinding device for producing spiral seam welded pipe

Technical Field

The utility model relates to a spiral seam welded pipe technical field specifically is an edging device is used in production of spiral seam welded pipe.

Background

Spirally welding the pipe: the steel pipe is made by rolling a low-carbon structural steel or low-alloy structural steel strip into a pipe blank according to a certain spiral angle (called forming angle) and then welding the pipe seam. The specification is expressed by the outer diameter and the wall thickness, and the welded pipe is required to ensure that the tensile strength and the cold bending performance of a hydraulic test and a welding line meet the requirements.

The helix angle of the weld of a helically welded pipe is typically 50-75 degrees, so the resultant stress at the helical weld is 60-85% of the principal stress of the straight welded pipe. Under the same working pressure, the wall thickness of the spiral welded pipe with the same diameter can be reduced compared with that of a straight welded pipe.

After the spiral seam welded pipe is produced and is accomplished, need carry out the edging to it and handle, the edging work of current spiral seam welded pipe is manual edging usually, and manual edging is efficient, and the edging precision is low moreover.

Based on this, the utility model designs a spiral seam welded pipe production is with edging device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an edging device is used in spiral seam welded pipe production to the edging work of the current spiral seam welded pipe that proposes in solving above-mentioned background art is manual edging usually, and manual edging is inefficient, the problem that the edging precision is low moreover.

In order to achieve the above object, the utility model provides a following technical scheme: an edge grinding device for spiral seam welded pipe production comprises a cross beam, wherein fixed rods are fixedly connected to the left side and the right side of the cross beam, guide rails are horizontally and fixedly connected to the front side and the rear side of the cross beam, racks are fixedly connected to the top of the cross beam, a displacement assembly capable of moving in a matched mode with the racks is arranged between the two groups of guide rails, a lifting assembly is fixedly connected to the bottom of the displacement assembly, a cross plate is fixedly connected to the bottom of the lifting assembly, a bearing seat is fixedly connected to the bottom of the cross plate, a rotating shaft is rotatably connected to the inside of the bearing seat, a first motor is fixedly mounted at the top of the cross plate, a first gear is fixedly sleeved on the left output end of the first motor and the left end of the rotating shaft, an edge grinding assembly is fixedly connected to the right end of the rotating shaft, a;

the displacement subassembly includes the ascending track wheel seat of opening, the equal bilateral symmetry rotation in both sides is connected with the rail wheel around the inner chamber of track wheel seat, around the rail wheel respectively with the front and back the guide rail butt, the top rigid coupling of track wheel seat has the motor frame, the front side fixed mounting of motor frame has the second motor, the rear side output of second motor cup joints and is fixed with can be with rack toothing's second gear.

Preferably, the edging subassembly includes the disc, the rigid coupling has the abrasive disc of polishing on the leading flank of disc, the preceding lateral wall of disc evenly sets up the spout that runs through the edge of polishing along the circumference, all the equal fixed mounting in the relative outside of spout has first electric putter, first electric putter's flexible serve the rigid coupling have can with spout sliding connection's slide, the slide deviates from first electric putter's one side rigid coupling has the arc piece of polishing.

Preferably, the clamping component comprises an articulated fixing block, the left side and the right side of the bottom of the articulated fixing block are respectively articulated with a clamping arm, and the middle upper part of the relative outer side wall of the clamping arm and the left side wall and the right side wall of the articulated fixing block are respectively articulated with a second electric push rod.

Preferably, the inner side clamping surface of the clamping arm is uniformly and fixedly connected with protruding teeth.

Preferably, the telescopic ends of all the first electric push rods face the circle center direction of the disc.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, convenient operation through the edging subassembly, can realize polishing simultaneously to spiral seam welded pipe terminal surface and round edge to be favorable to improving the efficiency of polishing to spiral seam welded pipe; the position of the edge grinding assembly can be adjusted through the lifting assembly and the displacement assembly, so that the grinding precision of the spiral seam welded pipe can be improved; the spiral seam welded pipe is clamped and fixed through the clamping assembly, so that the polishing stability of the edge grinding assembly to the spiral seam welded pipe is favorably improved, and the polishing precision of the spiral seam welded pipe can be improved.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the displacement assembly of the present invention;

FIG. 3 is a schematic structural view of the edge grinding assembly of the present invention;

fig. 4 is a schematic view of the structure of the clamping assembly of the present invention.

In the drawings, the reference numerals denote the following components:

1-beam, 2-fixed rod, 3-guide rail, 4-rack, 5-displacement component, 51-rail wheel seat, 52-rail wheel, 53-motor frame, 54-second motor, 55-second gear, 6-lifting component, 7-transverse plate, 8-bearing seat, 9-rotating shaft, 10-first motor, 11-first gear, 12-edging component, 121-disc, 122-sanding disc, 123-chute, 124-first electric push rod, 125-sliding seat, 126-arc sanding block, 13-clamping component, 131-hinged fixed block, 132-clamping arm, 133-second electric push rod, 134-protruding tooth and 14-spiral seam welded pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a spiral seam welded pipe production is with edging device technical scheme: an edge grinding device for producing a spiral seam welded pipe comprises a cross beam 1, fixed rods 2 are fixedly connected to the left side and the right side of the cross beam 1, guide rails 3 are horizontally and fixedly connected to the front side and the rear side of the cross beam 1, racks 4 are fixedly connected to the top of the cross beam 1, a displacement assembly 5 capable of moving in a matched mode with the racks 4 is arranged between the two groups of guide rails 3, a lifting assembly 6 is fixedly connected to the bottom of the displacement assembly 5, a transverse plate 7 is fixedly connected to the bottom of the lifting assembly 6, a bearing seat 8 is fixedly connected to the bottom of the transverse plate 7, a rotating shaft 9 is rotatably connected to the inside of the bearing seat 8, a first motor 10 is fixedly mounted at the top of the transverse plate 7, a first gear 11 is fixedly connected to the left output end of the first motor 10 and the left end of the rotating shaft 9 in a sleeved mode, an edge grinding assembly 12 is;

the displacement assembly 5 comprises a rail wheel seat 51 with an upward opening, the front side and the rear side of an inner cavity of the rail wheel seat 51 are respectively connected with rail wheels 52 in a bilateral symmetry rotation mode, the front rail wheel 52 and the rear rail wheel 52 are respectively abutted against the front guide rail and the rear guide rail 3, the top of the rail wheel seat 51 is fixedly connected with a motor frame 53, the front side of the motor frame 53 is fixedly provided with a second motor 54, and the rear output end of the second motor 54 is fixedly connected with a second gear 55 which can be meshed with the rack 4 in a sleeved mode; after the second motor 54 is controlled to be started, the second gear 55 can be driven to rotate, and the second gear 55 is meshed with the rack 4, so that the second gear 55 can drive the track wheel 52 to roll along the guide rail 3, and the position movement of the displacement assembly 5 is realized.

Further, the edge grinding assembly 12 includes a circular disc 121, a grinding disc 122 is fixedly connected to a front side surface of the circular disc 121, sliding grooves 123 penetrating through edges of the grinding disc 122 are uniformly formed in a front side wall of the circular disc 121 along a circumference, first electric push rods 124 are fixedly installed on opposite outer sides of all the sliding grooves 123, a sliding base 125 capable of being slidably connected with the sliding grooves 123 is fixedly connected to a telescopic end of each first electric push rod 124, and an arc-shaped grinding block 126 is fixedly connected to a surface of each sliding base 125, which is away from the first electric push rod 124; when edging subassembly 12 wholly rotates, the dish 122 of polishing can polish spiral seam welded pipe 14's opening face, and the flexible end jacking of control first electric putter 124 can realize the round limit with arc sanding block 126 butt spiral seam welded pipe 14 to along with the rotation of edging subassembly 12, can polish spiral seam welded pipe 14's round limit.

Further, the clamping assembly 13 comprises a hinged fixing block 131, clamping arms 132 are hinged to the left side and the right side of the bottom of the hinged fixing block 131, and second electric push rods 133 are hinged between the middle upper parts of the opposite outer side walls of the two groups of clamping arms 132 and the left side wall and the right side wall of the hinged fixing block 131; by controlling the extension and contraction of the second electric push rod 133, the opening and closing of the two groups of clamping arms 132 can be realized, and the spiral seam welded pipe 14 can be clamped or loosened conveniently.

Furthermore, the inner side clamping surface of the clamping arm 132 is uniformly and fixedly connected with protruding teeth 134; the raised teeth 134 increase friction so that the two sets of clamping arms 132 clamp the helically seam welded pipe 14 without slipping.

Furthermore, the telescopic ends of all the first electric push rods 124 face the direction of the center of the circle of the disc 121; so that the helically seam welded pipe 14 can be ground with uniform force.

One specific application of this embodiment is: the utility model relates to an edging device for spiral seam welded pipe production, when using, two groups of this device bilateral symmetry rigid couplings are at the both ends of the horizontal frame of lifting by crane of pipeline, then, descend the horizontal frame of lifting by crane, control two groups of centre gripping subassemblies 13 on this device and centre gripping spiral seam welded pipe 14, control the lifting by crane to rise, then, control the flexible end of lifting unit 6 on two groups of this device to stretch out and draw back, drive edging subassembly 12 displacement to with spiral seam welded pipe 14 concentric circles; the displacement control assembly 5 is started to drive the edge grinding assembly 12 to move close to the spiral seam welded pipe 14 until the grinding disc 122 on the edge grinding assembly 12 abuts against the end face of the spiral seam welded pipe 14, and the extension and contraction ends of a plurality of groups of first electric push rods 124 on the edge grinding assembly 12 are controlled to extend, so that a plurality of groups of arc-shaped grinding blocks 126 abut against the round edge of the spiral seam welded pipe 14; controlling the first motor 10 to start, and driving the rotating shaft 9 to rotate through the meshing transmission of the two groups of first gears 11, so as to drive the edge grinding assembly 12 to rotate, wherein at the moment, the grinding disc 122 and the arc-shaped grinding block 126 on the edge grinding assembly 12 can grind the spiral seam welded pipe, and the slow displacement of the displacement assembly 5 and the slow extension of the telescopic end of the first electric push rod 124 are continuously controlled to adjust the grinding feed amount of the spiral seam welded pipe 14; and after the spiral seam welded pipe 14 is polished, the edging assembly 12 is retreated, the spiral seam welded pipe 14 is placed downwards, and the clamping assembly 13 is loosened.

The electrical components presented in the document are electrically connected with an external master controller and a power supply, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a spiral seam welded pipe production is with edging device, includes crossbeam (1), its characterized in that: the fixed rods (2) are fixedly connected to the left side and the right side of the crossbeam (1), guide rails (3) are fixedly connected to the front side and the rear side of the crossbeam (1) in a horizontal mode, racks (4) are fixedly connected to the top of the crossbeam (1), a displacement assembly (5) which can move in a matched mode with the racks (4) is arranged between the two groups of guide rails (3), a lifting assembly (6) is fixedly connected to the bottom of the displacement assembly (5), a transverse plate (7) is fixedly connected to the bottom of the lifting assembly (6), a bearing seat (8) is fixedly connected to the bottom of the transverse plate (7), a rotating shaft (9) is rotatably connected to the inside of the bearing seat (8), a first motor (10) is fixedly installed at the top of the transverse plate (7), a first gear (11) is fixedly connected to the left output end of the first motor (10) and the left end of the rotating shaft (9), and an edging assembly (, a clamping assembly (13) is fixedly installed at the bottom of the cross beam (1), and a spiral seam welded pipe (14) is clamped in the clamping assembly (13);

displacement subassembly (5) are including ascending track wheel seat (51) of opening, the equal bilateral symmetry rotation in both sides is connected with rail wheel (52) around the inner chamber of track wheel seat (51), front and back rail wheel (52) respectively with the front and back guide rail (3) butt, the top rigid coupling of track wheel seat (51) has motor frame (53), the front side fixed mounting of motor frame (53) has second motor (54), the rear side output of second motor (54) cup joints and is fixed with second gear (55) that can mesh with rack (4).

2. The edge grinding device for producing the spiral seam welded pipe according to claim 1, wherein: edging subassembly (12) are including disc (121), the rigid coupling has the mill (122) of beating on the leading flank of disc (121), spout (123) that run through mill (122) border are evenly seted up along the circumference to the preceding lateral wall of disc (121), all the equal fixed mounting in the relative outside of spout (123) has first electric putter (124), the flexible rigid coupling of serving of first electric putter (124) has can with spout (123) sliding connection's slide (125), the one side rigid coupling that slide (125) deviate from first electric putter (124) has arc to polish piece (126).

3. The edge grinding device for producing the spiral seam welded pipe according to claim 1, wherein: the clamping assembly (13) comprises a hinged fixing block (131), clamping arms (132) are hinged to the left side and the right side of the bottom of the hinged fixing block (131), and a second electric push rod (133) is hinged between the middle upper portion of the relative outer side wall of each clamping arm (132) and the left side wall and the right side wall of the hinged fixing block (131).

4. An edging device for spiral seam welded pipe production according to claim 3, characterized in that: and the inner side clamping surface of the clamping arm (132) is uniformly and fixedly connected with protruding teeth (134).

5. The edge grinding device for producing the spiral seam welded pipe according to claim 2, wherein: the telescopic ends of all the first electric push rods (124) face the circle center direction of the disc (121).