Turning device for reverse sealing surface of tube plate flange

Abstract

The utility model discloses a turning device for a reverse sealing surface of a tube plate flange, which relates to the technical field of flange turning and comprises a pipeline body, a positioning seat is arranged in the pipeline body, a movable sliding groove is arranged in the positioning seat, a turning mechanism is arranged in the movable sliding groove, and the turning mechanism comprises a motor sliding sleeve movably mounted in the movable sliding groove. The lower end of the motor sliding sleeve is provided with a trapezoidal lead screw, a driving motor is fixedly installed in the motor sliding sleeve, a driving shaft is fixedly installed at the output tail end of the driving motor, a strip-shaped tool rest is fixedly installed at the tail end of the driving shaft, a sliding seat is movably installed on the strip-shaped tool rest, an L-shaped tool rest is fixedly installed on the sliding seat, and a positioning mechanism is fixedly installed on the surface of the positioning seat. According to the turning device for the reverse sealing face of the pipe plate flange, the turning mechanism can be fixed to the center positions of pipelines with different diameters through the positioning mechanism, and the reverse face and the sealing face of the flange can be turned after the turning mechanism is fixed to the center positions of the pipelines with different diameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange turning technical field, concretely is a kind of pipe plate flange reverse face sealing surface turning device. BACKGROUND

[0002] Pipe plate flange is the key connecting component in pipeline system, mainly used for the pipe bundle fixation and sealing of heat exchanger, pressure vessel and other equipment. It is made of high-strength steel plate, and the plate is densely covered with holes matched with the outer diameter of the pipe, and the pipe is firmly fixed on it by welding. The pipe plate flange not only bears the weight of the pipe bundle, but also ensures the safe transmission of the medium between the pipes to prevent leakage.

[0003] After long-term use, the surface of the flange will rust, and the sealing performance of the flange surface will decrease after rusting, so the flange needs to be repaired. When repairing, the flange surface is generally turned by turning device to remove the rust on the flange surface. However, the flange on the pipeline needs to be removed before turning, which affects the repair speed. Therefore, a pipe plate flange reverse face sealing surface turning device is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a pipe plate flange reverse face sealing surface turning device to solve the problem of slow flange repair speed in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pipe plate flange reverse face sealing surface turning device, comprising a pipeline body, a flange body is arranged at the front end of the pipeline body, a positioning seat is arranged in the pipeline body, a movable sliding groove is formed in the positioning seat, a turning mechanism is arranged in the movable sliding groove, the turning mechanism comprises a motor sleeve movably installed in the movable sliding groove, a trapezoidal screw rod is arranged at the lower end of the motor sleeve, a driving motor is fixedly installed in the motor sleeve, a driving shaft is fixedly installed at the output end of the driving motor, a strip-shaped tool holder is fixedly installed at the end of the driving shaft, a sliding seat is movably installed on the strip-shaped tool holder, an L-shaped tool holder is fixedly installed on the sliding seat, a positioning mechanism is fixedly installed on the surface of the positioning seat, the positioning mechanism comprises a positioning sliding groove fixedly installed on the positioning seat, a positioning frame body is movably installed on the positioning sliding groove, an anti-skid supporting leg is fixedly installed at the end of the positioning frame body, a sliding block is slidably installed in the positioning sliding groove, a supporting strut is arranged between the sliding block and the positioning frame body, a synchronous push rod is fixedly installed on the positioning sliding groove, and the end of the synchronous push rod is fixedly installed on the sliding block. The sliding block can slide along the positioning sliding groove.

[0006] Preferably, an adjusting nut is arranged on the sliding seat, the sliding seat is limited on the strip-shaped tool holder through the adjusting nut, and the sliding seat can slide along the strip-shaped tool holder.

[0007] Preferably, the L-shaped tool holder and the strip-shaped tool holder are provided with tool grooves, and the milling cutter is fixed in the tool grooves by bolts.

[0008] Preferably, the motor sliding sleeve is movably installed on the positioning seat through a movable sliding groove, the driving motor is movably installed in the positioning seat through the motor sliding sleeve, the output end of the driving motor is provided with a shaft coupling, the driving shaft is fixed on the output end of the driving motor through the shaft coupling, and the L-shaped tool holder is movably installed on the strip-shaped tool holder through a sliding seat.

[0009] Preferably, the positioning frame body and the supporting support rod are provided with movable shafts, the positioning frame body is movably installed at one end of the positioning sliding groove through the movable shaft, one end of the supporting support rod is movably installed on the positioning frame body through the movable shaft, and the other end of the supporting support rod is movably installed on the sliding block through the movable shaft.

[0010] Preferably, the bottom of the positioning sliding groove is provided with bolts, and the positioning sliding groove is fixed on the positioning seat through the bolts.

[0011] Preferably, the sliding block is provided with a butt joint groove, and the synchronous push rod is fixed on the sliding block through the butt joint groove, so that the synchronous push rod can push the sliding block to move forward.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The driving motor can drive the driving shaft to rotate, the driving shaft drives the milling cutter on the L-shaped tool holder and the strip-shaped tool holder to rotate after rotating, and the milling cutter on the L-shaped tool holder can be brought close to the reverse surface of the flange body and the milling cutter on the strip-shaped tool holder can be brought close to the sealing surface of the flange body through the trapezoidal screw rod to drive the driving motor on the motor sliding sleeve to move forward and backward, so that the milling cutter on the L-shaped tool holder is close to the reverse surface of the flange body, the milling cutter on the strip-shaped tool holder is close to the sealing surface of the flange body, and the sealing surface and the reverse surface of the flange body are turned.

[0014] 2. The synchronous push rod can drive the sliding block to move forward, and the sliding block drives the one end of the supporting support rod to move forward after moving forward, so that all the positioning frame bodies are synchronously unfolded, the anti-skid feet of the positioning frame bodies abut against the inner wall of the pipeline after being synchronously unfolded, so that the positioning seat is fixed at the center position of the pipeline with different diameters, and flanges with different sizes can be conveniently turned in the outdoor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an integrated structure diagram of the utility model;

[0016] Figure 2 It is a local structure diagram of the utility model;

[0017] Figure 3 It is a turning mechanism diagram of the utility model;

[0018] Figure 4 The utility model discloses a positioning mechanism schematic view.

[0019] The figure mark: 1, pipeline body, 2, flange body, 3, positioning seat, 4, movable sliding slot, 5, turning mechanism, 501, L-shaped tool rest, 502, sliding seat, 503, adjusting nut, 504, strip-shaped tool rest, 505, drive shaft, 506, trapezoidal screw rod, 507, drive motor, 508, motor sliding sleeve, 6, positioning mechanism, 601, positioning sliding slot, 602, positioning frame body, 603, movable shaft, 604, antiskid supporting leg, 605, supporting strut, 606, sliding block, 607, synchronous push rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] As shown in Figure 1 Figure 2 The utility model provides a kind of technical scheme of pipe plate flange reverse sealing surface turning device, including pipeline body 1, pipeline body 1 front end is equipped with flange body 2, pipeline body 1 is equipped with positioning seat 3 in, positioning seat 3 is equipped with movable sliding slot 4 in, movable sliding slot 4 is equipped with turning mechanism 5 in, positioning seat 3 surface is fixedly installed with positioning mechanism 6, turning mechanism 5 can be fixed in the center position of pipe of different diameters by positioning mechanism 6, turning mechanism 5 can be turned after being fixed in the center position of pipe of different diameters to flange reverse surface and sealing surface.

[0022] As shown in Figure 2 Figure 3 Turning mechanism 5 includes motor sliding sleeve 508 movably installed in movable sliding slot 4, trapezoidal screw rod 506 is equipped at the lower end of motor sliding sleeve 508, drive motor 507 is fixedly installed in motor sliding sleeve 508, drive shaft 505 is fixedly installed at the output end of drive motor 507, strip-shaped tool rest 504 is fixedly installed at the end of drive shaft 505, sliding seat 502 is movably installed on strip-shaped tool rest 504, L-shaped tool rest 501 is fixedly installed on sliding seat 502, adjusting nut 503 is equipped on sliding seat 502, and sliding seat 502 is limited on strip-shaped tool rest 504 by adjusting nut 503.

[0023] Specifically, the driving motor 507 can drive the driving shaft 505 to rotate, and the driving shaft 505 can drive the milling cutter on the L-shaped tool holder 502 and the strip-shaped tool holder 504 to rotate. The motor sleeve 508 can drive the driving motor 507 to move forward and backward, and the milling cutter on the L-shaped tool holder 501 can move close to the reverse surface of the flange body 2 when the driving motor 507 moves forward, and the milling cutter on the strip-shaped tool holder 504 can move close to the sealing surface of the flange body 2 when the driving motor 507 moves backward, so as to turn the reverse surface and the sealing surface of the flange.

[0024] As shown in Figure 2 Figure 4 The positioning mechanism 6 includes a positioning sliding groove 601 fixedly installed on the positioning seat 3, a positioning frame body 602 movably installed on the positioning sliding groove 601, an anti-skid supporting leg 604 fixedly installed at the end of the positioning frame body 602, a sliding block 606 slidably installed in the positioning sliding groove 601, a supporting support 605 arranged between the positioning frame body 602 and the sliding block 606, a synchronous push rod 607 fixedly installed on the positioning sliding groove 601, and the end of the synchronous push rod 607 is fixed on the sliding block 606. The positioning frame body 602 and the supporting support 605 are both provided with an activity shaft 603.

[0025] Specifically, the synchronous push rod 607 can drive the sliding block 606 to move forward, and the sliding block 606 can drive the one end of the supporting support 605 to move forward after moving forward, so as to make all the positioning frame bodies 602 expand synchronously, and the anti-skid supporting leg 604 can abut against the inner wall of the pipeline after the positioning frame bodies 602 expand synchronously, so as to fix the positioning seat 3 at the center position of the pipeline with different diameters, and facilitate turning the flange with different sizes.

[0026] Working principle: when using, firstly, the positioning seat is placed in the pipe body 1, after the positioning seat is placed in the pipe body 1, the synchronous push rod 607 can be controlled to extend synchronously, after the synchronous push rod 607 extends synchronously, it drives the sliding block 606 to move forward, after the sliding block 606 moves forward, it pushes the one end of the support strut 605 to move forward, so that all the positioning frame bodies 602 are unfolded synchronously, after the positioning frame bodies 602 are unfolded synchronously, the anti-skid feet 604 abut against the inner wall of the pipe, so that the positioning seat 3 is fixed at the center position of the pipe with different diameters, after the positioning seat 3 is fixed in the pipe with different diameters, the adjusting nut 503 can be loosened, after the adjusting nut 503 is loosened, the sliding seat 502 can be moved up and down, so that the L-shaped tool rest 501 is adjusted to the reverse side of the flange body 2, then the driving motor 507 can be started, after the driving motor 507 is started, it drives the driving shaft 505 to rotate, after the driving shaft 505 rotates, it drives the milling cutter on the L-shaped tool rest 502 and the strip-shaped tool rest 504 to rotate, when the milling cutter on the tool rest rotates, the driving motor 507 on the motor sleeve 508 can be driven to move forward and backward through the trapezoidal screw 506, when the driving motor 507 moves forward, the milling cutter on the L-shaped tool rest 501 approaches the reverse side of the flange body 2, so that the reverse side of the flange body 2 is turned, when the driving motor 507 moves backward, the milling cutter on the strip-shaped tool rest 504 approaches the sealing surface of the flange body 2, so that the sealing surface of the flange body 2 is turned.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to which they belong.

Claims

1. A pipe plate flange reverse sealing surface turning device, comprising a pipe body (1), the front end of the pipe body (1) is provided with a flange body (2), characterized in that: The pipeline body (1) is provided with a positioning seat (3), the positioning seat (3) is provided with a movable sliding groove (4), the movable sliding groove (4) is provided with a turning mechanism (5), the turning mechanism (5) comprises a motor sliding sleeve (508) movably installed in the movable sliding groove (4), the lower end of the motor sliding sleeve (508) is provided with a trapezoidal screw rod (506), the motor sliding sleeve (508) is fixedly installed with a driving motor (507), the output end of the driving motor (507) is fixedly installed with a driving shaft (505), the end of the driving shaft (505) is fixedly installed with a strip-shaped tool holder (504), the strip-shaped tool holder (504) is movably installed with a sliding seat (502), the sliding seat (502) is fixedly installed with an L-shaped tool holder (501), the surface of the positioning seat (3) is fixedly installed with a positioning mechanism (6), the positioning mechanism (6) comprises a positioning sliding groove (601) fixedly installed on the positioning seat (3), the positioning sliding groove (601) is movably installed with a positioning frame body (602), the end of the positioning frame body (602) is fixedly installed with an antiskid supporting leg (604), the positioning sliding groove (601) is slidably installed with a sliding block (606), the positioning sliding groove (601) is movably installed with a supporting rod (605) between the sliding block (606) and the positioning frame body (602), the positioning sliding groove (601) is fixedly installed with a synchronous push rod (607), and the end of the synchronous push rod (607) is fixedly installed on the sliding block (606).

2. A tube sheet flange back face seal surface turning device according to claim 1, characterized in that: The sliding seat (502) is provided with an adjusting nut (503), and the sliding seat (502) is limited on the strip-shaped tool holder (504) through the adjusting nut (503).

3. A tube sheet flange back face seal surface turning device according to claim 2, characterized in that: The L-shaped tool holder (501) and the strip-shaped tool holder (504) are both provided with a tool groove, and a milling cutter is fixed in the tool groove through bolts.

4. A tube sheet flange back face seal surface turning device according to claim 3, characterized in that: The motor sliding sleeve (508) is movably installed on the positioning seat (3) through the movable sliding groove (4), the driving motor (507) is movably installed in the positioning seat (3) through the motor sliding sleeve (508), the output end of the driving motor (507) is provided with a shaft coupling, the driving shaft (505) is fixed on the output end of the driving motor (507) through the shaft coupling, and the L-shaped tool holder (501) is movably installed on the strip-shaped tool holder (504) through the sliding seat (502).

5. A tube sheet flange back face seal surface turning device according to claim 4, characterized in that: The positioning frame body (602) and the supporting rod (605) are both provided with a movable shaft (603), the positioning frame body (602) is movably installed at one end of the positioning sliding groove (601) through the movable shaft (603), one end of the supporting rod (605) is movably installed on the positioning frame body (602) through the movable shaft (603), and the other end of the supporting rod (605) is movably installed on the sliding block (606) through the movable shaft (603).

6. A tube sheet flange back face seal surface turning device according to claim 5, characterized in that: The bottom of the positioning sliding groove (601) is provided with a bolt, and the positioning sliding groove (601) is fixed on the positioning seat (3) through the bolt.

7. A tube sheet flange back face seal surface turning device as claimed in claim 1, characterized in that: The sliding block (606) is provided with a butt joint groove, and the end of the synchronous push rod (607) is fixed on the sliding block (606) through the butt joint groove.

Images