CN215941727U

CN215941727U - Trimming device for metal expansion joint based on automation

Info

Publication number: CN215941727U
Application number: CN202122625503.6U
Authority: CN
Inventors: 丁洪国; 邢玉庆
Original assignee: Anshan Shengda Machinery Compensation Equipment Co ltd
Current assignee: Anshan Shengda Machinery Compensation Equipment Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-04
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an automatic trimming device for a metal expansion joint, which relates to the technical field of mechanical manufacturing equipment and comprises a workbench, four cylinders working synchronously, a mounting ring and a trimmer, wherein the four cylinders are uniformly and vertically arranged on the edge of the upper surface of the workbench, the telescopic ends of the four cylinders are connected with the lower bottom surface of the mounting ring together, the inner ring of the mounting ring is provided with a circle of electric slide rail which is connected with a slide block in a sliding way, the edger is fixedly connected with the side wall of the slide block, the expansion and compaction structure is arranged on the workbench and comprises an air pump, a pair of annular air bags and a vent pipe body, the inner ring at the end part of the expansion joint body is compacted by the expansion locking structure, so that the expansion joint body is not scratched, and the deformation problem caused by clamping is also avoided, the fixation is firm, and the production quality is greatly improved.

Description

Trimming device for metal expansion joint based on automation

Technical Field

The utility model relates to the technical field of mechanical manufacturing equipment, in particular to an automatic trimming device for a metal expansion joint.

Background

The metal expansion joint is a flexible structure provided on the vessel shell or pipe to compensate for additional stresses due to temperature differences and mechanical vibrations. As the elastic compensation element which can freely stretch out and draw back, the elastic compensation element has the advantages of reliable work, good performance, compact structure and the like, and is widely applied to the departments of chemical industry, metallurgy, nuclear energy and the like; the metal expansion joint needs deburring, fillet and other trimming work on the end part and the edge of the metal expansion joint in production, but because the metal expansion joint is hollow annular, the metal expansion joint is scratched by adopting a direct clamping mode in the prior processing, the metal expansion joint is deformed to influence the subsequent installation and even cannot be used, and the loss is caused, so that the automatic trimming device for the metal expansion joint needs to be developed urgently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an automatic trimming device for a metal expansion joint, which not only can not scratch the expansion joint body, but also can avoid the deformation problem caused by clamping by extruding the inner ring at the end part of the expansion joint body through an expansion locking structure, is firm in fixation and greatly improves the production quality.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an automatic trimming device for a metal expansion joint comprises a workbench, four cylinders working synchronously, a mounting ring and a trimmer, wherein the four cylinders are uniformly and vertically arranged on the edge of the upper surface of the workbench, the telescopic ends of the four cylinders are commonly connected with the lower bottom surface of the mounting ring, the inner ring of the mounting ring is provided with a circle of electric slide rail, the electric slide rail is connected with a slide block in a sliding manner, the trimmer is fixedly connected with the side wall of the slide block, the workbench is provided with an expansion tightening structure which comprises an air pump, a pair of annular air bags and an air pipe body, the air pipe body consists of an upper air pipe and a lower air pipe, the lower air pipe vertically penetrates through the central position of the upper surface of the workbench and is fixedly connected with the workbench, the lower end of the lower air pipe is connected with the air pump through a connecting pipe, and the upper end of the lower air pipe is communicated with the lower end of the upper air pipe through an adjusting structure, the upper end of the upper vent pipe is in a closed state; the air bags are respectively sleeved on the upper vent pipe and the lower vent pipe and are communicated with the upper vent pipe and the lower vent pipe through connectors, the upper surface and the lower surface of each air bag are provided with limiting rings, and the limiting rings are fixedly connected with the outer walls of the upper vent pipe and the lower vent pipe corresponding to the air bags; the expansion joint body to be processed is placed on the workbench by taking the center of the workbench as an axis, the inner diameter of the expansion joint body is larger than the outer diameter of the limiting ring, the upper end and the lower end of the expansion joint body are expansion joint end parts, and the pair of air bags respectively correspond to the inner walls of the end parts of the pair of expansion joints and can be abutted against the inner walls of the end parts of the pair of expansion joints after being inflated.

Preferably, adjust the structure and include the sleeve, the sleeve overlaps at last breather pipe lower extreme and breather pipe upper end junction down, go up breather pipe lower extreme lateral wall and breather pipe upper end lateral wall and offer the external screw thread that pitch equals, the internal thread that connects soon with the external screw thread is offered to the sleeve inner wall.

Preferably, sealing rings are arranged between two ends of the inner wall of the sleeve and the outer walls of the upper vent pipe and the lower vent pipe respectively.

Preferably, the air bag is provided with a non-slip mat at the position where the air bag can contact with the inner wall of the end part of the expansion joint.

Preferably, a base plate is arranged between the upper surface of the workbench and the lower bottom surface of the expansion joint body.

Preferably, the bottom surface is provided with the supporting leg under the workstation.

The utility model provides an automatic trimming device for a metal expansion joint, which has the following beneficial effects:

1. the expansion joint body is firmly fixed by tightly extruding the inner ring at the end part of the expansion joint body through the expansion locking structure, so that the expansion joint body is not scratched, the deformation problem caused by clamping is avoided, the fixation is firm, and the production quality is greatly improved;

2. the upper limit ring and the lower limit ring are matched with the sleeve, so that the distance between a pair of expansion and compaction structures can be lengthened, the expansion joint is suitable for expansion joint bodies of different models, and the universality and the practicability of the device are improved; the anti-slip pad increases the friction between the air bag and the inner wall of the end part of the expansion joint, and improves the stability of squeezing.

Drawings

FIG. 1 is a front sectional view of the metal expansion joint trimming device of the present invention.

FIG. 2 is an enlarged view of the utility model at A in FIG. 1.

Fig. 3 is an enlarged view of the utility model at B in fig. 1.

In the figure: 1. a work table; 2. supporting legs; 3. a cylinder; 4. a base plate; 5. an air pump; 6. a connecting pipe; 7. a lower vent pipe; 8. a connector; 9. an air bag; 10. an expansion joint end portion; 11. an expansion joint body; 12. a slider; 13. an edger; 14. a limiting ring; 15. an upper vent pipe; 16. an electric slide rail; 17. a mounting ring; 18. a sleeve; 19. a non-slip mat; 20. a groove; 21. a seal ring; 22. an external thread; 23. an internal thread.

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.

As shown in fig. 1-3, an automatic trimming device for a metal expansion joint comprises a workbench 1, four cylinders 3 working synchronously, a mounting ring 17 and a trimmer 13, wherein the four cylinders 3 are uniformly and vertically arranged on the edge of the upper surface of the workbench 1, the telescopic ends of the four cylinders 3 are commonly connected with the lower bottom surface of the mounting ring 17, a circle of electric slide rail 16 is arranged on the inner ring of the mounting ring 17, a slide block 12 is connected on the electric slide rail 16 in a sliding manner, the trimmer 13 is fixedly connected with the side wall of the slide block 12, an expansion and compaction structure is arranged on the workbench 1, the expansion and compaction structure comprises an air pump 5, a pair of annular air bags 9 and an air pipe body, the air pipe body comprises an upper air pipe 15 and a lower air pipe 7, the lower air pipe 7 vertically penetrates through the central position of the upper surface of the workbench 1 and is fixedly connected with the workbench 1, and the lower end of the lower air pipe 7 is connected with the air pump 5 through a connecting pipe 6, the upper end of the upper vent pipe is communicated with the lower end of the upper vent pipe 15 through an adjusting structure, and the upper end of the upper vent pipe 15 is in a closed state; the pair of air bags 9 are respectively sleeved on the upper vent pipe 15 and the lower vent pipe 7 and are communicated with the upper vent pipe 15 and the lower vent pipe 7 through the connectors 8, the upper surface and the lower surface of each air bag 9 are respectively provided with a limiting ring 14, and the limiting rings 14 are fixedly connected with the outer walls of the upper vent pipe 15 and the lower vent pipe 7 corresponding to the air bags 9; the expansion joint body 11 to be processed is placed on the workbench 1 by taking the center of the workbench 1 as an axis, the inner diameter of the expansion joint body 11 is larger than the outer diameter of the limiting ring 14, the upper end and the lower end of the expansion joint body 11 are expansion joint end parts 10, and the pair of air bags 9 respectively correspond to the positions of the inner walls of the pair of expansion joint end parts 10 and can be abutted against the expansion joint end parts after being inflated; the adjusting structure comprises a sleeve 18, the sleeve 18 is sleeved at the joint of the lower end of the upper vent pipe 15 and the upper end of the lower vent pipe 7, the side wall of the lower end of the upper vent pipe 15 and the side wall of the upper end of the lower vent pipe 7 are provided with external threads 22 with the same thread pitch, and the inner wall of the sleeve 18 is provided with internal threads 23 screwed with the external threads 22; sealing rings 21 are arranged between the two ends of the inner wall of the sleeve 18 and the outer walls of the upper vent pipe 15 and the lower vent pipe respectively; the position where the air bag 9 can be contacted with the inner wall of the end part 10 of the expansion joint is provided with a non-slip pad 19; a backing plate 4 is arranged between the upper surface of the workbench 1 and the lower bottom surface of the expansion joint body 11; and a support leg 2 is arranged on the lower bottom surface of the workbench 1.

The detailed connection means is a technique known in the art, and the following main description is provided for the working principle and process, and specifically provided for the following:

the four synchronous air cylinders 3, the air pump 5, the electric slide rail 16 and the edger 13 are connected with an external electric control system through leads; before the device is used, firstly, the expansion and compaction structure is adjusted according to the height of the expansion joint body 11 to be processed, and the height of the air bag 9 sleeved on the upper vent pipe 15 is equal to the height of the expansion joint body 11 by screwing the sleeve 18 or the upper vent pipe 15; after the height adjustment is finished, the expansion joint body 11 to be processed is sleeved outside the expansion compaction structure, and the bottom of the expansion joint body is supported by the cushion plate 4 of the workbench 1, so that the air bag 9 of the lower vent pipe 7 corresponds to the lower end part of the expansion joint body 11; because a groove 20 is formed between each pair of the limiting rings 14 and the vent pipe body, the air pump 5 is in an air receiving state before working, and the installation of the expansion joint body 11 cannot be influenced when the air bag 9 is recovered into the groove 20;

as can be seen from the description of the drawings in the specification and the drawings in figures 1-3, when the utility model works, the air pump 5 is started with figure 1 as an initial state, the air is inflated into the vent pipe body through the connecting pipe 6, so that the air bag 9 is inflated into the air bag 9 through the connecting head 8, the annular air bag 9 horizontally expands towards the periphery until the annular air bag is abutted against the inner wall of the end part 10 of the expansion joint, and the larger the pressure is, the larger the squeezing force on the end part 10 of the expansion joint is, and the fixation on the expansion joint body 11 can be completed; the anti-slip pad 19 increases the friction with the inner wall of the expansion joint end 10, so that the expansion joint is more stable; not only the expansion joint body 11 is not scratched, but also the deformation problem caused by clamping is avoided; at this time, the edge trimmer 13 trims the edge of the expansion joint body 11 by adjusting the air cylinder 3, the electric slide rail 16 and the slide block 12; after trimming, the air pump 5 sucks air to contract the air bag 9, and the expansion joint body 11 is taken down.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a deburring device for metal expansion joint based on it is automatic, includes workstation (1), four synchronous working's cylinder (3), collar (17) and edger (13), and four even vertical settings in workstation (1) upper surface edge of cylinder (3), four cylinder (3) flexible end are connected with the lower bottom surface of collar (17) jointly, collar (17) inner circle is provided with electronic slide rail (16) of round, and sliding connection has slider (12) on electronic slide rail (16), edger (13) and slider (12) lateral wall fixed connection, its characterized in that, be provided with the crowded tight structure of inflation on workstation (1), the crowded tight structure of inflation includes air pump (5), a pair of annular gasbag (9), breather pipe body, and breather pipe body includes breather pipe (15) and breather pipe (7) down, breather pipe (7) are vertical to run through in workstation (1) upper surface central point and are put and workstation (1) fixed tight structure down The lower end of the lower vent pipe (7) is connected with the air pump (5) through a connecting pipe (6), the upper end of the lower vent pipe is communicated with the lower end of the upper vent pipe (15) through an adjusting structure, and the upper end of the upper vent pipe (15) is in a closed state; the pair of air bags (9) are respectively sleeved on the upper vent pipe (15) and the lower vent pipe (7) and are communicated with the upper vent pipe (15) and the lower vent pipe (7) through a connector (8), the upper surface and the lower surface of each air bag (9) are respectively provided with a limiting ring (14), and the limiting rings (14) are fixedly connected with the outer walls of the upper vent pipe (15) and the lower vent pipe (7) corresponding to the air bags (9); the expansion joint body (11) to be processed is placed on the workbench (1) by taking the center of the workbench (1) as an axis, the inner diameter of the expansion joint body (11) is larger than the outer diameter of the limiting ring (14), the upper end and the lower end of the expansion joint body (11) are expansion joint end parts (10), and the pair of air bags (9) respectively correspond to the inner walls of the pair of expansion joint end parts (10) and can be abutted against the expansion joint end parts after being inflated.

2. The automatic trimming device for the metal expansion joint as claimed in claim 1, wherein the adjusting structure comprises a sleeve (18), the sleeve (18) is sleeved at the joint of the lower end of the upper vent pipe (15) and the upper end of the lower vent pipe (7), the side wall of the lower end of the upper vent pipe (15) and the side wall of the upper end of the lower vent pipe (7) are provided with external threads (22) with the same pitch, and the inner wall of the sleeve (18) is provided with internal threads (23) screwed with the external threads (22).

3. The automatic trimming device for metal expansion joints according to claim 2, wherein sealing rings (21) are arranged between the two ends of the inner wall of the sleeve (18) and the outer walls of the upper vent pipe (15) and the lower vent pipe respectively.

4. The automated trimming device for metal expansion joints according to claim 1, characterized in that the airbag (9) is provided with a non-slip mat (19) at a position where it can contact the inner wall of the end part (10) of the expansion joint.

5. The automatic metal expansion joint trimming device according to claim 1, wherein a backing plate (4) is arranged between the upper surface of the workbench (1) and the lower bottom surface of the expansion joint body (11).

6. The automatic metal expansion joint trimming device according to claim 1, wherein the lower bottom surface of the workbench (1) is provided with a supporting leg (2).