Outer flange cover positioning clamp

Abstract

The utility model discloses an outer flange cover positioning clamp which comprises a machining table, a mounting table is arranged below the machining table, four mounting grooves are formed in the upper end of the mounting table, four through grooves are formed in the machining table, clamping plates are arranged in the four through grooves, and clamping plates are arranged in the clamping plates. A sliding block is arranged in the mounting groove, the clamping plate and the sliding block are slidably connected with the mounting table, a first electric push rod is arranged outside the mounting table, supporting frames are arranged below the machining table, a connecting plate is arranged between the two supporting frames, and a second electric push rod is arranged below the mounting table. The clamping structure of the positioning clamp can be adjusted in a lifting mode, each clamping plate is independently driven by the corresponding electric push rod, the stretching amount of the clamping plates can be independently controlled, the requirement for positioning irregular outer flange covers with different thicknesses is met, and the positioning efficiency of the outer flange covers is improved.

Description

Technical Field

[0001] This utility model relates to the field of flange cover processing technology, specifically to an external flange cover positioning fixture. Background Technology

[0002] External flange covers, also known as blind flanges or flange covers, are an important component of pipeline connections. They are flanges without a central hole, primarily used to cover the end of a pipeline or to prevent fluid leakage and environmental harm when the pipeline is temporarily shut down. It is not a pipe fitting, but rather a temporary remedial measure for pipeline connections. External flange covers are widely used in various industrial piping systems, such as those in the petroleum, chemical, power, and metallurgical industries. They are particularly indispensable in situations requiring temporary pipeline shutdown or equipment testing and pressure testing.

[0003] Chinese Patent Publication No. CN212384892U, authorized on January 22, 2021, discloses a flange positioning fixture. The purpose of this utility model is to provide a flange positioning fixture that is simple in structure, easy to use, and provides reliable positioning. The technical solution of this utility model is: a flange positioning fixture, characterized by having a flange fixing plate, the front of which is provided with a positioning mechanism for positioning the flange and a clamping mechanism for clamping the flange. This utility model is applicable to the field of processing split-type utility poles.

[0004] The existing positioning fixture has a fixed clamping structure that lacks adjustment functionality. When positioning irregular outer flange covers of varying thicknesses, it cannot quickly position the outer flange cover, thus compromising its stability and reducing the positioning effect, failing to meet usage requirements. Utility Model Content

[0005] The purpose of this utility model is to provide an external flange cover positioning fixture to solve the problems mentioned in the background art, such as the fixed clamping structure of the existing positioning fixture, the lack of adjustment function of the clamping structure, the inability to quickly position the external flange cover when positioning irregular external flange covers of different thicknesses, the inability to guarantee the stability of the external flange cover, the reduced positioning effect of the external flange cover, and the inability to meet the usage requirements.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an external flange cover positioning fixture, including a processing table, a mounting platform below the processing table, and four mounting slots at the upper end of the mounting platform. Four through slots are also provided on the processing table, positioned directly above the mounting slots. Each of the four through slots contains a clamping plate, one end of which extends into the mounting slot. The clamping plate is slidably connected to the processing table. A slider is provided inside the mounting slot and is fixedly connected to the lower end of the clamping plate. The clamping plate and slider are slidably connected to the mounting platform. The mounting platform is slidably connected. Four first electric actuators are provided on the outside of the mounting platform, and the main body of each first electric actuator is fixedly connected to the mounting platform. The first electric actuators are located inside the mounting groove, and their telescopic ends are fixedly connected to a clamping plate. Two support frames are provided below the processing table, and these support frames are connected to the processing table by screws. A connecting plate is provided between the two support frames, and this connecting plate is also connected to the support frames by screws. A second electric actuator is provided below the mounting platform, and both ends of the second electric actuator are fixedly connected to the mounting platform and the connecting plate, respectively.

[0007] Preferably, both the mounting groove and the slider have a T-shaped cross-section.

[0008] Preferably, the upper end of the processing table is provided with an anti-slip mat, and the anti-slip mat is integrated with the processing table.

[0009] Preferably, the inner sides of all four clamping plates are provided with flexible pads, and the flexible pads are in close contact with the clamping plates.

[0010] Preferably, a pressure sensor is provided at the contact point between the flexible pad and the clamping plate, and the pressure sensor is fixedly connected to the clamping plate.

[0011] Preferably, the mounting platform is provided with four through holes, which are located at the four corners of the mounting platform. Each of the four through holes is provided with a guide rod, which is slidably connected to the mounting platform. The upper end of the guide rod is fixedly connected to the processing table.

[0012] Preferably, the lower ends of both support frames are provided with rubber discs, and the rubber discs are fixedly connected to the support frames.

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

[0014] 1. This utility model device comprises a mounting platform, a through groove, a clamping plate, a first electric push rod, a flexible pad, a mounting groove, a pressure sensor, and a slider. The first electric push rod drives the slider to slide in the mounting groove, causing the clamping plate to move along the through groove and the mounting groove. The clamping plate clamps the outer flange cover from all four sides, thus positioning the outer flange cover. The flexible pad directly contacts the outer flange cover, protecting it. The pressure sensor measures the clamping force of the outer flange cover to prevent excessive clamping and deformation, thereby improving the positioning effect of the outer flange cover.

[0015] 2. The utility model device, through the setting of a second electric push rod, a guide rod and a through hole, allows the second electric push rod to drive the mounting table to rise and fall, changing the length of the clamping plate extending above the processing table. The guide rod and the through hole guide and limit the rising and falling mounting table, meeting the positioning requirements of outer flange covers of different thicknesses. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 For the present utility model Figure 1 A magnified view of a portion of area A;

[0018] Figure 3 This is a cross-sectional view of the present invention;

[0019] Figure 4 This is a structural diagram showing the connection between the clamping plate and guide rod of this utility model and the mounting platform;

[0020] Figure 5 This is a diagram showing the connection relationship between the clamping plate and the mounting platform of this utility model.

[0021] In the diagram: 1. Processing table; 2. Support frame; 3. Mounting table; 4. Through groove; 5. Clamping plate; 6. Connecting plate; 7. First electric actuator; 8. Second electric actuator; 9. Guide rod; 10. Flexible pad; 11. Mounting groove; 12. Pressure sensor; 13. Slider; 14. Anti-slip pad; 15. Through hole; 16. Rubber disc. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Please see Figure 1-5This utility model provides an embodiment of an external flange cover positioning fixture, including a processing table 1, a mounting platform 3 below the processing table 1, and four mounting grooves 11 on the upper end of the mounting platform 3. Four through grooves 4 are also provided on the processing table 1, positioned directly above the mounting grooves 11. Each of the four through grooves 4 has a clamping plate 5 inside, with one end of the clamping plate 5 extending into the mounting groove 11. The clamping plate 5 is slidably connected to the processing table 1. A slider 13 is provided inside the mounting groove 11, and the slider 13 is fixedly connected to the lower end of the clamping plate 5. The clamping plate 5 and the slider 13 are slidably connected to the mounting platform 3. The external part is provided with a first electric actuator 7, and there are four first electric actuators 7. The main body of the first electric actuator 7 is fixedly connected to the mounting platform 3. The first electric actuator 7 is set inside the mounting groove 11, and the telescopic end of the first electric actuator 7 is fixedly connected to the clamping plate 5. A support frame 2 is provided below the processing table 1. There are two support frames 2, and the support frames 2 are connected to the processing table 1 by screws. A connecting plate 6 is provided between the two support frames 2, and the connecting plate 6 is connected to the support frame 2 by screws. A second electric actuator 8 is provided below the mounting platform 3, and the two ends of the second electric actuator 8 are fixedly connected to the mounting platform 3 and the connecting plate 6 respectively. The cross-section of the mounting groove 11 and the slider 13 is T-shaped.

[0024] In use: Drive the second electric actuator 8 to lift the mounting table 3 according to the thickness of the outer flange cover, adjust the length of the clamping plate 5 extending above the processing table 1 to an appropriate length, place the outer flange cover flat between the four clamping plates 5, drive the first electric actuator 7 to move the clamping plate 5 along the through groove 4 and the mounting groove 11, and clamp the outer flange cover from all four sides through the clamping plate 5 to achieve the positioning of the outer flange cover.

[0025] Please see Figure 1 , Figure 3 and Figure 4 An anti-slip pad 14 is provided on the upper end of the processing table 1, and the anti-slip pad 14 is integrated with the processing table 1. Flexible pads 10 are provided on the inner side of the four clamping plates 5, and the flexible pads 10 are closely connected to the clamping plates 5. A pressure sensor 12 is provided at the contact point between the flexible pad 10 and the clamping plate 5, and the pressure sensor 12 is fixedly connected to the clamping plate 5. The anti-slip pad 14 increases the friction of the upper surface of the processing table 1. The flexible pad 10 is in direct contact with the outer flange cover, which protects the clamped outer flange cover. The pressure sensor 12 measures the clamping force of the outer flange cover to prevent the outer flange cover from being over-clamped and deformed, and improves the positioning effect of the outer flange cover.

[0026] Please see Figure 1 and Figure 4The mounting platform 3 is provided with four through holes 15, which are located at the four corners of the mounting platform 3. Each of the four through holes 15 has a guide rod 9 inside, which is slidably connected to the mounting platform 3. The upper end of the guide rod 9 is fixedly connected to the processing table 1. The lower end of each of the two support frames 2 is provided with a rubber disc 16, which is fixedly connected to the support frame 2. The guide rods 9 and the through holes 15 play a guiding and limiting role for the lifting and lowering of the mounting platform 3, ensuring that the mounting platform 3 rises and falls smoothly, so that the four clamping plates 5 can clamp the outer flange cover well.

[0027] Working principle: Based on the thickness of the outer flange cover, the second electric actuator 8 drives the mounting platform 3 to rise and fall, and the clamping plate 5 extending from the top of the processing table 1 is of appropriate length. The outer flange cover is placed flat between the four clamping plates 5. The first electric actuator 7 drives the clamping plate 5 to move along the through groove 4 and the mounting groove 11. The flexible pad 10 contacts the outer flange cover, and the clamping plates 5 clamp the outer flange cover from four sides to achieve the positioning of the outer flange cover. The pressure sensor 12 measures the clamping force of the outer flange cover to prevent the outer flange cover from being over-clamped and deformed, thereby improving the positioning effect of the outer flange cover.

[0028] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for an outer flange cover, comprising a processing table (1), characterized in that: A mounting platform (3) is provided below the processing table (1). The upper end of the mounting platform (3) is provided with four mounting slots (11). Four through slots (4) are provided on the processing table (1), and they are positioned directly above the mounting slots (11). Each of the four through slots (4) contains a clamping plate (5), with one end extending into the mounting slot (11). The clamping plate (5) is slidably connected to the processing table (1). A slider (13) is provided inside the mounting slot (11), and the slider (13) is fixedly connected to the lower end of the clamping plate (5). The clamping plate (5) and the slider (13) are slidably connected to the mounting platform (3). The mounting platform (3)... The external part is provided with a first electric actuator (7), and there are four first electric actuators (7). The main body of the first electric actuator (7) is fixedly connected to the mounting table (3). The first electric actuator (7) is set inside the mounting groove (11), and the telescopic end of the first electric actuator (7) is fixedly connected to the clamping plate (5). The processing table (1) is provided with a support frame (2) below it. There are two support frames (2), and the support frame (2) is connected to the processing table (1) by screws. A connecting plate (6) is provided between the two support frames (2), and the connecting plate (6) is connected to the support frame (2) by screws. The mounting table (3) is provided with a second electric actuator (8) below it, and the two ends of the second electric actuator (8) are fixedly connected to the mounting table (3) and the connecting plate (6) respectively.

2. The external flange cover positioning fixture according to claim 1, characterized in that: The cross-sections of the mounting groove (11) and the slider (13) are both T-shaped.

3. The external flange cover positioning clamp according to claim 1, characterized in that: The upper end of the processing table (1) is provided with an anti-slip pad (14), and the anti-slip pad (14) and the processing table (1) are integrated.

4. The external flange cover positioning fixture according to claim 1, characterized in that: Flexible pads (10) are provided on the inner side of each of the four clamping plates (5), and the flexible pads (10) are attached to the clamping plates (5).

5. The external flange cover positioning fixture according to claim 4, characterized in that: A pressure sensor (12) is provided at the contact point between the flexible pad (10) and the clamping plate (5), and the pressure sensor (12) is fixedly connected to the clamping plate (5).

6. The external flange cover positioning fixture according to claim 1, characterized in that: The mounting platform (3) is provided with four through holes (15), and the four through holes (15) are located at the four corners of the mounting platform (3). Each of the four through holes (15) is provided with a guide rod (9), and the guide rod (9) is slidably connected to the mounting platform (3). The upper end of the guide rod (9) is fixedly connected to the processing table (1).

7. The external flange cover positioning fixture according to claim 1, characterized in that: Both of the support frames (2) are provided with rubber discs (16) at their lower ends, and the rubber discs (16) are fixedly connected to the support frames (2).

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