CN212917086U

CN212917086U - Rounding device

Info

Publication number: CN212917086U
Application number: CN202020919377.8U
Authority: CN
Inventors: 吴胜丰
Original assignee: Dongguan Rongxing Hardware Products Co ltd
Current assignee: Dongguan Rongxing Hardware Products Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-04-09
Anticipated expiration: 2030-05-27

Abstract

The utility model relates to a rounding device, a frame is vertically arranged, a workbench is arranged at the upper end of the frame, a guide sleeve and an inner core seat positioned in the guide sleeve are arranged on the workbench, a rounding channel is arranged on the inner core seat, and the rounding channel is vertically arranged; the inner peripheral wall of the rounding channel is provided with a rounding die, the rounding die consists of two or more expansion inserts, the expansion inserts are tightened and enclosed to form a rounding hole, and the aperture of the rounding hole is smaller than that of the rounding channel; and a rounding driving piece is embedded between the guide sleeve and the inner core seat and moves upwards along the direction of the rounding channel to synchronously tighten all expanding and contracting inserts of the pushing rounding die. Scientific and reasonable structure, small size, convenience, practicability and low investment cost. The pipe body inserted into the rounding channel is rounded and repaired, the labor intensity is reduced, the pipe body is rounded on the spot, the pipe body is convenient and quick, the pipe body does not need to be sent back to a processing department for repairing, and the production efficiency is improved.

Description

Rounding device

Technical Field

The utility model belongs to the technical field of the machining technique and specifically relates to when relating to body and flange equipment, be used for the whole circle device of body processing.

Background

Fig. 1 shows that, when the pipe body is assembled with the flange at present, the pipe body can deform under the influence of external forces such as processing and carrying, so that the inner hole of the pipe body connecting end and the inner hole of the flange are often inconsistent, and even the pipe body connecting end can not be inserted into the inner hole of the flange, thereby affecting the welding assembly quality and efficiency of the flange. The existing solution is to send back to the processing department for trimming and to shape by means of bench work, and this mode has slow work efficiency and greatly affects production efficiency.

Disclosure of Invention

An object of the utility model is to provide a rounding device reaches round in situ, convenient and fast, simple structure, and investment cost is low.

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

a rounding device is provided with a rack, the rack is arranged vertically, a workbench is arranged at the upper end of the rack, a guide sleeve and an inner core seat positioned in the guide sleeve are arranged on the workbench, a rounding channel is arranged on the inner core seat, and the rounding channel is vertically arranged; the inner peripheral wall of the rounding channel is provided with a rounding die, the rounding die consists of two or more expansion inserts, the expansion inserts are tightened and enclosed to form a rounding hole, and the aperture of the rounding hole is smaller than that of the rounding channel; and a rounding driving piece is embedded between the guide sleeve and the inner core seat and moves upwards along the direction of the rounding channel to synchronously tighten all expanding and contracting inserts of the pushing rounding die.

In the scheme, the expansion and contraction insert is embedded in a radial guide hole preset on the inner core seat, and the radial guide hole determines the expansion and contraction direction of the expansion and contraction insert; the whole-circle driving piece is a circular ring body, the inner circumferential surface of the whole-circle driving piece is provided with a conical surface, and the conical surface acts on the outer side surface of the expansion and contraction insert in an inclined plane pushing mode; the lower side of the full-circle driving piece is connected with a lifting rod, and a lifting guide hole is preset on the workbench to be matched with the lifting rod to lift.

In the scheme, the workbench is in a flat plate form, the workbench is connected with the guide sleeve and the inner core seat through screws, and the whole circular channel of the inner core seat is an inner counter bore.

In the scheme, four lifting rods are arranged and distributed at intervals along the circular ring direction of the full-circle driving piece, the upper ends of the lifting rods are locked with the full-circle driving piece through screws, the lower ends of the lifting rods are connected with a lifting platform, and the lifting platform is connected with a piston telescopic end of a hydraulic cylinder; the piston of the hydraulic cylinder is parallel to the lifting rod, and the hydraulic cylinder is controlled by a foot switch.

The utility model has the advantages of scientific and reasonable structure, small body shape, convenience, practicality and low investment cost. The guide sleeve and the inner core seat positioned in the guide sleeve are directly arranged on the workbench, the inner core seat is provided with a rounding channel, the inner peripheral wall of the rounding channel is provided with a rounding die, the rounding die is composed of two or more expansion inserts, the expansion inserts are tightened and enclosed to form a rounding hole, a rounding driving piece is embedded between the guide sleeve and the inner core seat, the rounding driving piece moves upwards along the direction of the rounding channel to push all the expansion inserts of the rounding die to be tightened synchronously, so that a pipe body inserted into the rounding channel is rounded and trimmed, the labor intensity is relieved, the pipe is rounded locally, the pipe is convenient and fast, trimming is not required to be performed by a machining department, and the production efficiency is improved.

Description of the drawings:

FIG. 1 is a schematic view of a pipe body connected to a flange;

FIG. 2 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 3 is a schematic diagram of a portion of the embodiment of FIG. 2;

FIG. 4 is a schematic side view of FIG. 3;

fig. 5 is an enlarged view of a portion of the structure of fig. 4.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 2-5, the structure of the preferred embodiment of the present invention is schematically illustrated, the present invention relates to a rounding device, which has a frame 1, wherein the frame 1 is vertically disposed, and has a small body shape, and is convenient to move and arrange. A working table 11 is arranged at the upper end of the frame 1, and the working table 11 is in a flat plate form. The guide sleeve 2 and the inner core seat 3 located in the guide sleeve 2 are arranged on the workbench 11, and the guide sleeve 2 and the inner core seat 3 are locked on the workbench 11 through screws, so that the assembly and maintenance are convenient. Be equipped with whole circle passageway 31 on the inner core seat 3, whole circle passageway 31 is laid perpendicularly, and this implementation preferred whole circle passageway 31 is interior counter bore form, has certain degree of depth, is favorable to confirming body depth of insertion, simple structure, promotes work efficiency. The inner peripheral wall of the rounding channel 31 is provided with the rounding die 4, the rounding die 4 of the embodiment is composed of two or more expansion inserts 41, the expansion inserts 41 are tightened and enclosed to form a rounding hole, the aperture of the rounding hole is smaller than that of the rounding channel 31, and rounding in a tightening and extruding mode is achieved. A round driving part 5 is embedded between the guide sleeve 12 and the inner core seat 13, the guide sleeve 12 guides the round driving part 5, the round driving part 5 moves upwards along the round passage 31 to push all the expanding and retracting inserts 41 of the round die 4 to be synchronously tightened, so that a pipe body inserted into the round passage 31 is enabled to be in a standard round shape, as shown in fig. 1, matching and inserting of the pipe body 101 and an inner hole of the flange 102 are realized, and the peripheral surface of the pipe body 101 is more attached to the inner hole of the flange 102, so that subsequent welding work is facilitated. The working efficiency and the quality are improved.

Referring to fig. 2 to 5, in the present embodiment, the expansion insert 41 is embedded in a radial guide hole 32 preset on the inner core print 3, and the radial guide hole 32 determines the expansion direction of the expansion insert 41; the rounding driving part 5 is a circular ring body, the inner circumferential surface of the rounding driving part 5 is provided with a conical surface 51, the conical surface 51 acts on the outer side surface of the expanding and retracting insert 41 in an inclined plane pushing mode, and the expanding and retracting insert 41 is matched with the radial guide hole 32 to achieve accurate inner circle retracting work. The lower side of the round driving member 5 is connected with a lifting rod 6, and a lifting guide hole 111 is preset on the worktable 11 to be matched with the lifting rod 6 for lifting. Furthermore, four lifting rods 6 are provided in the embodiment, the four lifting rods 6 are uniformly distributed at intervals along the circular ring direction of the full-circle driving member 5, the upper ends of the lifting rods 6 are locked with the full-circle driving member 5 through screws, the lower ends of the lifting rods 6 are connected with a lifting platform 7, and the lifting platform 7 is connected with the telescopic end of a piston of a hydraulic cylinder 8; the piston of the hydraulic cylinder 8 is designed in parallel with the lifting rod 6, and the hydraulic cylinder 8 is controlled by a foot switch. During operation, an operator inserts a pipe body to be rounded into the rounding channel 31 of the inner core seat 3, then the hydraulic cylinder 8 is started through a foot switch, a piston rod of the hydraulic cylinder 8 extends upwards to jack the lifting platform 7, the lifting platform 7 drives the four lifting rods 6 to ascend, the four lifting rods 6 can evenly and balancedly drive the rounding driving part 5 to move upwards, the conical surface 51 of the rounding driving part 5 acts on the outer side surface of the expanding and retracting insert 41 in an inclined plane ejection mode and is matched with the radial guide hole 32 to achieve accurate inward contraction of the expanding and retracting insert 41, the pipe body is extruded, and rounding operation is achieved through synchronous matching of the plurality of expanding and retracting inserts 41. Subsequently, the piston rod of the hydraulic cylinder 8 retracts downwards, the lifting table 7 is pulled downwards, the lifting table 7 drives the four lifting rods 6 to descend, the four lifting rods 6 pull the full-circle driving piece 5 to move downwards and withdraw from the pushing and jacking expansion and contraction insert 41, and the expansion and contraction insert 41 recovers to be free, so that an operator can pull out the processed pipe body. So work, conveniently complete the circle on the spot, promote the equipment quality and the efficiency of body and flange. In this embodiment, to different body external diameters, can select to use different rising receipts mold insert 41 can, can reach through the dismouting screw and tear the work of trading, convenient, practical.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. The utility model provides a rounding device, has frame (1), and this frame (1) vertical setting is equipped with workstation (11) in the upper end of frame (1), its characterized in that: the workbench (11) is provided with a guide sleeve (2) and an inner core seat (3) positioned in the guide sleeve (2), the inner core seat (3) is provided with a rounding channel (31), and the rounding channel (31) is vertically distributed; the inner peripheral wall of the rounding channel (31) is provided with a rounding die (4), the rounding die (4) is composed of two or more expansion inserts (41), the expansion inserts (41) are tightened to form a rounding hole, and the aperture of the rounding hole is smaller than that of the rounding channel (31); a rounding driving piece (5) is embedded between the guide sleeve (2) and the inner core seat (3), and the rounding driving piece (5) moves upwards along the direction of the rounding channel (31) to synchronously tighten all expanding and contracting inserts (41) of the pushing rounding die (4).

2. A rounder according to claim 1, characterized in that: the expansion and contraction insert (41) is embedded in a radial guide hole (32) preset on the inner core seat (3), and the radial guide hole (32) determines the expansion and contraction direction of the expansion and contraction insert (41); the rounding driving part (5) is a circular ring body, the inner circumferential surface of the rounding driving part (5) is provided with a conical surface (51), and the conical surface (51) acts on the outer side surface of the expanding and contracting insert (41) in an inclined plane pushing mode; the lower side of the round driving piece (5) is connected with a lifting rod (6), and a lifting guide hole (111) is preset on the workbench (11) to be matched with the lifting rod (6) to lift.

3. A rounder according to claim 1 or 2, characterized in that: the workbench (11) is in a flat plate form, the workbench (11) is connected with the guide sleeve (2) and the inner core seat (3) through screws, and the rounding channel (31) of the inner core seat (3) is an inner counter bore.

4. A rounder according to claim 2, characterized in that: four lifting rods (6) are arranged, the four lifting rods (6) are uniformly distributed at intervals along the circular ring direction of the full-circle driving piece (5), the upper ends of the lifting rods (6) are locked with the full-circle driving piece (5) through screws, the lower ends of the lifting rods (6) are connected with a lifting platform (7), and the lifting platform (7) is connected with the piston telescopic end of a hydraulic cylinder (8); the piston of the hydraulic cylinder (8) is parallel to the lifting rod (6), and the hydraulic cylinder (8) is controlled by a foot switch.