Bent pipe deformation screening device for internal thread pipe

Abstract

The utility model relates to the technical field of screening devices, in particular to an internal threaded pipe bend deformation screening device which comprises a screening device body and a hydraulic cylinder, one side of the screening device body is fixedly connected with the hydraulic cylinder, one side of the hydraulic cylinder is fixedly connected with a fixed push plate, and one side of the fixed push plate is fixedly connected with a limiting assembly. One side of the screening device body is fixedly connected with a supporting disc, one side of the supporting disc is fixedly connected with an edge fixing plate, one side of the edge fixing plate is fixedly connected with an electric telescopic rod, one side of the electric telescopic rod is fixedly connected with a conical block, the inner side of the supporting disc is provided with a screening assembly, the screening assembly comprises a folding fixing plate, and the inner side of the folding fixing plate is rotationally connected with a column rotating wheel. According to the device, when internal threaded pipes with different diameters are screened, the distances between a plurality of pressure sensors and telescopic push rods can be controlled at the same time according to the diameters of the internal threaded pipes, the screening range of the device is widened, and the screening efficiency of the internal threaded pipes can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a deformation screening device for internally threaded pipe bends. Background Art

[0002] The internally threaded pipe is a metal pipe with spiral edges on its inner surface. These edges increase the surface area of ​​the inner surface, thereby improving the contact efficiency with the fluid. When the internally threaded pipe is reproduced, some pipes will be partially bent and deformed, which will affect the quality of the product and need to be picked out by a screening device.

[0003] When screening internally threaded pipes, the pipes are first clamped and then pushed. A pressure sensor is used to determine whether the metal pipes are qualified. Although the screening of internally threaded pipes can be achieved, the diameters of different batches of internally threaded pipes are different, and the existing device cannot adjust the screening range according to the diameter of the internally threaded pipes. Therefore, a device for screening the bending deformation of internally threaded pipes is proposed to address the above problems. Utility Model Content

[0004] The utility model aims to provide a device for screening deformation of internally threaded pipe bends, so as to solve the problem that diameters of internally threaded pipes of different batches are different and the existing device cannot adjust the screening range according to the diameters of the internally threaded pipes.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for screening deformation of internal threaded pipe bending comprises a screening device body and a hydraulic cylinder, one side of the screening device body is fixedly connected to the hydraulic cylinder, one side of the hydraulic cylinder is fixedly connected to a fixed push plate, one side of the fixed push plate is fixedly connected to a limiting component, one side of the screening device body is fixedly connected to a support plate, one side of the support plate is fixedly connected to an edge fixing plate, one side of the edge fixing plate is fixedly connected to an electric telescopic rod, one side of the electric telescopic rod is fixedly connected to a cone block, a screening component is installed on the inner side of the support plate, the screening component comprises a folding plate, the inner side of the folding plate is rotatably connected to a column rotating wheel, a steel ball is installed on the inner side of the column rotating wheel, one side of the folding plate is fixedly connected to a telescopic push rod, one side of the telescopic push rod is fixedly connected to a first spring, the outer side of the telescopic push rod is slidably connected to an outer solid sliding shell, the inner side of the outer solid sliding shell is slidably connected to an adjusting rod, one side of the adjusting rod is fixedly connected to a pressure sensor, and one side of the adjusting rod is fixedly connected to a second spring.

[0007] As further optimized content of the present utility model, there are several limit assemblies, the limit assemblies include a motor, the end of the motor main shaft is fixedly connected with a mounting square plate, one side of the mounting square plate is fixedly connected with a mounting hollow ring, and the inner side of the mounting hollow ring is spirally connected with a plastic bolt.

[0008] As a further optimization of the present invention, the installation hollow ring is in the shape of a hollow cylinder, an internal threaded tube is installed inside the installation hollow ring, and one side of the plastic bolt is fitted with the outer side of the internal threaded tube.

[0009] As a further optimization of the present invention, a plurality of through holes are opened on the inner side of the support plate, the outer side of the cone block slides on the inner side of the through holes of the support plate, and the shape of the cone block is a cone.

[0010] As further optimized content of the present invention, the column rotating wheel is in the shape of a cylinder, a plurality of ball slots are opened on the inner side of the column rotating wheel, the steel balls are in the shape of spheres, the outer sides of the steel balls are fitted with the inner sides of the ball slots of the column rotating wheel, the column rotating wheels are in several groups, each group has three column rotating wheels, a rotating block is fixedly connected to the outer side of the support plate, and the column rotating wheel is rotatably connected to the inner side of the rotating block through a bearing.

[0011] As a further optimization of the present invention, the outer solid sliding shell is in the shape of a hollow cylinder, both ends of the outer solid sliding shell are penetrated, the outer side of the outer solid sliding shell is fixedly connected to the inner side of the support plate, and the folding plate is installed on the inner side of the through hole of the support plate.

[0012] As a further optimization of the present invention, a circular ring is fixedly connected to the outer side of the adjusting rod, the second spring is fixedly connected to the circular ring of the adjusting rod, one end of the adjusting rod protrudes from the through hole at the middle end of the support plate, and one side of the adjusting rod is fitted with the outer side of the cone block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, by setting up the hydraulic cylinder, limit assembly, support plate, side fixing plate, electric telescopic rod, cone block and screening assembly, the device can screen internal threaded pipes with different diameters. According to the diameter of the internal threaded pipe, the distance between multiple pressure sensors and the telescopic push rod can be controlled at the same time, thereby improving the screening range of the device and improving the screening efficiency of the internal threaded pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the hydraulic cylinder of the utility model;

[0017] Figure 3 For this utility model Figure 2 A schematic diagram of the structure at A;

[0018] Figure 4 For this utility model Figure 2 Schematic diagram of the structure at B;

[0019] Figure 5 This is a schematic diagram of the support plate structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the screening component of the utility model.

[0021] In the figure: 1. Screening device body; 2. Hydraulic cylinder; 3. Fixed push plate; 4. Limiting assembly; 41. Motor; 42. Installing square plate; 43. Plastic bolt; 44. Installing hollow ring; 5. Support plate; 6. Side fixing plate; 7. Electric telescopic rod; 8. Cone block; 9. Screening assembly; 91. Folding plate; 92. Column rotating wheel; 93. Steel ball; 94. Telescopic push rod; 95. First spring; 96. Adjusting rod; 97. Pressure sensor; 98. Second spring; 99. External solid sliding shell. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0024] See also Figure 1-6 , the utility model provides a technical solution:

[0025] A device for screening deformation of internally threaded pipe bends comprises a screening device body 1 and a hydraulic cylinder 2, wherein one side of the screening device body 1 is fixedly connected to the hydraulic cylinder 2, one side of the hydraulic cylinder 2 is fixedly connected to a fixed push plate 3, one side of the fixed push plate 3 is fixedly connected to a limiting component 4, one side of the screening device body 1 is fixedly connected to a support plate 5, one side of the support plate 5 is fixedly connected to a side fixing plate 6, one side of the side fixing plate 6 is fixedly connected to an electric telescopic rod 7, one side of the electric telescopic rod 7 is fixedly connected to a cone block 8, a screening component 9 is installed on the inner side of the support plate 5, the screening component 9 comprises a folding fixing plate 91, the inner side of the folding fixing plate 91 is rotatably connected to a column rotating wheel 92, a steel ball 93 is installed on the inner side of the column rotating wheel 92, one side of the folding fixing plate 91 is fixedly connected to a telescopic push rod 94, one side of the telescopic push rod 94 is fixedly connected to a first spring 95, the outer side of the telescopic push rod 94 is slidably connected to an outer solid sliding shell 99, the inner side of the outer solid sliding shell 99 is slidably connected to an adjusting rod 96, one side of the adjusting rod 96 is fixedly connected to a pressure sensor 97, and one side of the adjusting rod 96 is fixedly connected to a second spring 98.

[0026] As a further implementation of the present invention, the number of the limiter assembly 4 is several, and the limiter assembly 4 includes a motor 41, a mounting square plate 42 is fixedly connected to the end of the main shaft of the motor 41, a mounting hollow ring 44 is fixedly connected to one side of the mounting square plate 42, and a plastic bolt 43 is spirally connected to the inner side of the mounting hollow ring 44, so as to facilitate fixing one end of the internal threaded pipe;

[0027] As a further implementation of this solution, a hollow cylinder in the shape of a hollow ring 44 is installed, an internal threaded tube is installed inside the hollow ring 44, and one side of the plastic bolt 43 is fitted with the outer side of the internal threaded tube, which is convenient for the internal threaded tube to rotate after starting the motor 41, and at the same time, it is convenient for the hydraulic cylinder 2 to push the internal threaded tube to move through the fixed push plate 3;

[0028] As a further implementation of the present invention, a plurality of through holes are provided on the inner side of the support plate 5, and the outer side of the cone block 8 slides on the inner side of the through hole of the support plate 5. The cone block 8 is in the shape of a cone, and after the electric telescopic rod 7 moves, the adjusting rod 96 can be squeezed by the cone block 8;

[0029] As a further implementation of this solution, the column rotating wheel 92 is cylindrical in shape, and a plurality of ball slots are provided on the inner side of the column rotating wheel 92. The steel ball 93 is spherical in shape, and the outer side of the steel ball 93 fits the inner side of the ball slot of the column rotating wheel 92. The column rotating wheels 92 are in a plurality of groups, and each group of column rotating wheels 92 has three columns. A rotating block is fixedly connected to the outer side of the support plate 5, and the column rotating wheel 92 is rotatably connected to the inner side of the rotating block through a bearing, so as to facilitate the positioning of the internal threaded tube without hindering the movement of the internal threaded tube.

[0030] As a further implementation of this solution, the outer solid sliding shell 99 is in the shape of a hollow cylinder, and the two ends of the outer solid sliding shell 99 are opened through, the outer side of the outer solid sliding shell 99 is fixedly connected to the inner side of the support plate 5, and the folding plate 91 is installed on the inner side of the through hole of the support plate 5, which plays a role in keeping the telescopic push rod 94 sliding out of the inner part of the outer solid sliding shell 99 under the push of the first spring 95;

[0031] As a further implementation scheme of the present scheme, a circular ring is fixedly connected to the outer side of the adjusting rod 96, and the second spring 98 is fixedly connected to the circular ring of the adjusting rod 96. One end of the adjusting rod 96 protrudes from the through hole in the middle end of the support plate 5, and one side of the adjusting rod 96 fits against the outer side of the cone block 8, so that the adjusting rod 96 can slide conveniently inside the outer solid sliding shell 99, thereby controlling the distance between the pressure sensor 97 and the telescopic push rod 94 and realizing the function of adjusting the screening range.

[0032] Working process: during the use of the device, when it is necessary to screen the internal threaded tubes of different diameters, the folding plate 91 is pulled, and the folding plate 91 drives the column rotating wheel 92 to move toward the center direction of the support plate 5, and the internal threaded tubes are placed one by one between each group of column rotating wheels 92, and the folding plate 91 is loosened. Under the elastic force of the first spring 95, the telescopic push rod 94 and the folding plate 91 are pushed to move, so that the outer side of the steel ball 93 is tightly attached to the outer side of the internal threaded tube, thereby limiting the position of the internal threaded tube, and then one end of the internal threaded tube is installed inside the installation hollow ring 44, and the plastic bolt 43 is fitted with the outer side of the internal threaded tube to fix one end of the internal threaded tube. The plastic bolt 43 is plastic and can prevent damage to the outer side of the internal threaded tube. The hydraulic cylinder 2 is started, and the hydraulic cylinder 2 pushes the fixed push plate 3 and the limiting component 4 to move, thereby moving the internal threaded tube forward. At the same time, the motor 41 is started, and the motor 41 drives the installation square plate 42 and the installation hollow ring 44 to rotate, so that the internal threaded tube rotates. At this time, the internal threaded tube The threaded tube moves forward and rotates, and the steel ball 93 rotates when the internal threaded tube moves and rotates. When the surface of the internal threaded tube is bent or deformed, the column rotating wheel 92 pushes the folding plate 91 and the telescopic push rod 94 to move at the same time, and the telescopic push rod 94 pushes the first spring 95, and the first spring 95 is deformed. The first spring 95 plays a role in resetting the telescopic push rod 94. When the telescopic push rod 94 contacts the pressure sensor 97, the controller at the front end of the screening device body 1 issues an alarm to remind the staff that the distance between the pressure sensor 97 and the telescopic push rod 94 needs to be adjusted, and the electric telescopic rod 7 is started. The electric telescopic rod 7 pushes the cone block 8 fixed on one side to move, and the cone block 8 slides on the inner side of the support plate 5. The outer side of the cone block 8 fits with one side of the adjusting rod 96. Under the elastic force of the second spring 98, the adjusting rod 96 keeps moving toward the center of the support plate 5. At this time, the distance between the telescopic push rods 94 can be adjusted, thereby improving the screening range of the device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for screening deformation of an internally threaded pipe bend, comprising a screening device body (1) and a hydraulic cylinder (2), characterized in that: A hydraulic cylinder (2) is fixedly connected to one side of the screening device body (1), a fixed push plate (3) is fixedly connected to one side of the hydraulic cylinder (2), a limited position assembly (4) is fixedly connected to one side of the fixed push plate (3), a support plate (5) is fixedly connected to one side of the screening device body (1), a side fixing plate (6) is fixedly connected to one side of the support plate (5), an electric telescopic rod (7) is fixedly connected to one side of the side fixing plate (6), a cone block (8) is fixedly connected to one side of the electric telescopic rod (7), a screening assembly (9) is installed on the inner side of the support plate (5), and the screening assembly (9) comprises a folding plate (9 1), the inner side of the folding plate (91) is rotatably connected to a column rotating wheel (92), the inner side of the column rotating wheel (92) is installed with a steel ball (93), one side of the folding plate (91) is fixedly connected to a telescopic push rod (94), one side of the telescopic push rod (94) is fixedly connected to a first spring (95), the outer side of the telescopic push rod (94) is slidably connected to an outer solid sliding shell (99), the inner side of the outer solid sliding shell (99) is slidably connected to an adjusting rod (96), one side of the adjusting rod (96) is fixedly connected to a pressure sensor (97), and one side of the adjusting rod (96) is fixedly connected to a second spring (98).

2. The internal threaded pipe bending deformation screening device according to claim 1 is characterized in that: The number of the position limiting components (4) is several, and the position limiting components (4) include a motor (41), a mounting square plate (42) is fixedly connected to the end of the main shaft of the motor (41), a mounting hollow ring (44) is fixedly connected to one side of the mounting square plate (42), and a plastic bolt (43) is spirally connected to the inner side of the mounting hollow ring (44).

3. The internal threaded pipe bending deformation screening device according to claim 2 is characterized by: The mounting hollow ring (44) is in the shape of a hollow cylinder, an internally threaded tube is mounted on the inner side of the mounting hollow ring (44), and one side of the plastic bolt (43) is in contact with the outer side of the internally threaded tube.

4. The internal threaded pipe bending deformation screening device according to claim 1 is characterized by: A plurality of through holes are provided on the inner side of the support plate (5), and the outer side of the cone block (8) slides on the inner side of the through holes of the support plate (5). The cone block (8) is in the shape of a cone.

5. The internal threaded pipe bending deformation screening device according to claim 1 is characterized by: The column rotating wheel (92) is cylindrical in shape, and a plurality of ball slots are formed on the inner side of the column rotating wheel (92). The steel ball (93) is spherical in shape, and the outer side of the steel ball (93) fits in the inner side of the ball slot of the column rotating wheel (92). The column rotating wheels (92) are provided in a plurality of groups, and each group of the column rotating wheels (92) has three column rotating wheels. A rotating block is fixedly connected to the outer side of the support plate (5), and the column rotating wheel (92) is rotatably connected to the inner side of the rotating block via a bearing.

6. The internal threaded pipe bending deformation screening device according to claim 1 is characterized by: The outer solid sliding shell (99) is in the shape of a hollow cylinder, and is penetrated at both ends of the outer solid sliding shell (99). The outer side of the outer solid sliding shell (99) is fixedly connected to the inner side of the support plate (5), and the folding and fixing plate (91) is installed on the inner side of the through hole of the support plate (5).

7. The internal threaded pipe bend deformation screening device according to claim 1, characterized in that: A circular ring is fixedly connected to the outer side of the adjusting rod (96); the second spring (98) is fixedly connected to the circular ring of the adjusting rod (96); one end of the adjusting rod (96) protrudes from the inside of the through hole at the middle end of the support plate (5); and one side of the adjusting rod (96) is in contact with the outer side of the cone block (8).

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