Tool for detecting strength of necking part of necking pipe fitting

Abstract

The utility model relates to the technical field of detection tools, and discloses a necking part strength detection tool for a necking pipe fitting, which comprises an anti-skid base and a support table, the support table is fixed on the top surface of the anti-skid base, a support plate I is arranged in the middle above the support table, and support plates II are arranged on both sides of the support plate I; the bottom face of the first supporting plate is detachably connected with a pressing block, connecting plates are symmetrically fixed to the two sides of the top faces of the two second supporting plates, a limiting rubber roller is rotationally connected between the two connecting plates in each set, and a plurality of servo air cylinders are arranged on the portion, on the side edge of the supporting table, of the top face of the anti-skid base. The limiting rubber rollers at the two ends are matched with the positioning grooves, pipe fittings with different diameters can be positioned, the problems that an existing necking pipe fitting necking position strength detection tool is inconvenient to fix during use and the detection tool is single are solved, and the applicability and the detection accuracy of the detection tool are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model application relates to detection frock technical field, concretely is a kind of necked pipe necking place strength detection frock. BACKGROUND

[0002] Necked pipe is a kind of pipe that is made by the forming process of reducing the diameter of the mouth of cylindrical or tubular part by die, in the manufacturing process of necked pipe, blank is subjected to two-way compressive stress in deformation zone, among which tangential compressive stress is the main stress, resulting in the decrease of blank diameter, the increase of wall thickness and height, and the necking of pipe ends can prevent the shaking and water leakage during pipe connection.

[0003] The strength and quality of the necking place of necked pipe are related to the connection effect and service life of pipe connection, in order to ensure the strength of the necking place of necked pipe, detection will be carried out after processing, the traditional detection frock is not convenient for fixing different diameter pipes, and the detection tool is relatively single during detection, resulting in poor detection accuracy. SUMMARY

[0004] In order to solve the problem of inconvenient fixing and single detection tool of the existing necked pipe necking place strength detection frock during use, the utility model provides a kind of necked pipe necking place strength detection frock to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of necked pipe necking place strength detection frock, including antiskid base and support table, the antiskid base top is fixed with support table, the support table top is provided with support plate one in middle part, and support plate two is arranged in the two sides of support plate one, the bottom surface of support plate one is detachably connected with pressure block, the top surface of two support plate two is symmetrically fixed with connecting plate, the limiting rubber roller is rotatably connected between every two connecting plates, the top surface of the antiskid base of support table side is provided with a plurality of servo air cylinders, and the output rod of servo air cylinder is fixed on the bottom surface of support plate one and support plate two respectively, the positioning groove is set in the middle part of the top surface of support table.

[0007] Further, the bottom surface of support plate one and two support plate two is symmetrically provided with servo air cylinder, and the two limiting rubber rollers of the bottom surface of each support plate two are symmetrically located on both sides of positioning groove.

[0008] Further, the top surface of pressure block is symmetrically provided with mounting slot, and mounting plug rod is slidably inserted into mounting slot, the top surface of mounting plug rod is fixed on the bottom surface of support plate two, one end of pressure block is symmetrically fixed with fixed screw rod, and limiting block is rotatably sleeved on fixed screw rod, and fixed clamping block is threadedly sleeved on the outside of limiting block.

[0009] Further, each of the connecting plate lower parts is a semicircular body, and the diameter of the semicircular body of the connecting plate bottom part is smaller than the diameter of the limiting rubber roller.

[0010] Further, each of the mounting grooves is provided with an open end near the fixed screw rod, and the length of each of the mounting grooves is smaller than the length of the pressing block.

[0011] Further, each of the fixed screw rods is provided as a transversely placed "T" type, and each of the limiting blocks is internally provided with a through hole matched with the fixed screw rod.

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

[0013] 1. In the utility model, the limiting rubber rollers at two ends cooperate with the positioning grooves to position pipe fittings with different diameters, solve the problems of inconvenient fixation and single detection tool of the existing necking pipe fitting necking part strength detection tool during use, and greatly improve the applicability and detection accuracy of the detection tool.

[0014] 2. In the utility model, the detachable design of the pressing block can replace pressing blocks with different shapes according to detection needs during use, so as to detect the strength of the pipe fitting necking part when facing different pressing surfaces, thereby improving the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0016] Figure 1 is a detection tool three-dimensional structure schematic diagram according to an embodiment of the present application;

[0017] Figure 2 is Figure 1 the detection tool structure back view schematic diagram in the embodiment shown;

[0018] Figure 3 is Figure 1 the structure enlarged schematic diagram in the embodiment shown Figure 1 A place in the embodiment.

[0019] The meanings of the reference signs in the drawings are as follows: 1, anti-skid base; 2, support table; 3, support plate one; 4, support plate two; 5, servo cylinder; 6, pressing block; 7, support plate; 8, limiting rubber roller; 9, positioning groove; 10, mounting plug; 11, mounting groove; 12, fixing screw; 13, limiting block; 14, fixed clamping block. DETAILED DESCRIPTION

[0020] In order to make the application purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the embodiments described below are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] With reference to Figure 1 , Figure 2 and Figure 3 , a strength detection tool for a necked pipe necking portion includes an anti-skid base 1 and a support table 2, the support table 2 is fixed on the top surface of the anti-skid base 1, a support plate one 3 is arranged at the upper middle portion of the support table 2, and a support plate two 4 is arranged on each side of the support plate one 3, a servo cylinder 5 is symmetrically arranged on the bottom surface of each of the support plate one 3 and the two support plate two 4, two limiting rubber rollers 8 are symmetrically arranged on each side of the positioning groove 9 at the bottom surface of each support plate two 4, a pressing block 6 is detachably connected to the bottom surface of the support plate one 3, a connecting plate 7 is symmetrically fixed on the top surface of each of the two support plate two 4, each connecting plate 7 is in a semicircular shape at the lower portion, the diameter of the semicircular body at the bottom of each connecting plate 7 is smaller than the diameter of the limiting rubber roller 8, and the limiting rubber roller 8 is rotatably connected between each pair of connecting plates 7, the top surface of the anti-skid base 1 at the side of the support table 2 is provided with a plurality of servo cylinders 5, the output rods of the servo cylinders 5 are respectively fixed on the bottom surfaces of the support plate one 3 and the support plate two 4, and the positioning groove 9 is formed in the middle portion of the top surface of the support table 2.

[0022] Specifically, when the necked pipe necking portion needs to be detected, the pipe is first placed in the positioning groove 9, and the necking portions of the two pipes are placed below the pressing block 6, then the servo cylinder 5 below the support plate two 4 is operated to drive the support plate two 4 to move downward, when the support plate two 4 moves downward, the two limiting rubber rollers 8 abut against the pipes to fix the pipes, the servo cylinder 5 is operated to drive the support plate one 3 to move downward, which drives the pressing block 6 to extrude the necking portions of the pipes, the state of the necking portions is observed, after the detection is completed, the servo cylinder 5 is operated to drive the support plate two 4 to move upward, which releases the limiting of the pipes, and the pipes can be taken out.

[0023] As an optimization scheme, as Figure 2 and Figure 3As shown, the top surface of the pressing block 6 is symmetrically provided with mounting grooves 11, each mounting groove 11 is provided as an open type near one end of the fixing screw rod 12, the length of each mounting groove 11 is less than the length of the pressing block 6, and the mounting plug rod 10 is slidingly inserted into the mounting groove 11, the top surface of the mounting plug rod 10 is fixed to the bottom surface of the second supporting plate 4, one end of the pressing block 6 is symmetrically provided with the fixing screw rod 12, each fixing screw rod 12 is provided as a "T" type horizontally placed, each limiting block 13 is internally provided with a through hole matched with the fixing screw rod 12, and the limiting block 13 is rotatably sleeved on the fixing screw rod 12, and the limiting block 13 is threadedly sleeved with the fixed clamping block 14 on the outside.

[0024] Specifically, when the pressing block 6 needs to be replaced, the fixed clamping block 14 is screwed to release the clamping and fixing of the limiting block 13 by the fixed clamping block 14, so that the limiting block 13 is dislocated with the second supporting plate 4, then the pressing block 6 is pulled to be taken off from the mounting plug rod 10, so that the pressing block 6 can be replaced, the new pressing block 6 is sleeved on the mounting plug rod 10, then the limiting block 13 is rotated to abut on the second supporting plate 4, so that the pressing block 6 can be limited and fixed.

[0025] 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 as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to include all changes falling within the meaning and scope of the essential elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0026] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A tool for testing the strength of the necked portion of a necked pipe fitting, characterized by: The invention comprises an anti-skid base (1) and a support platform (2), wherein the top surface of the anti-skid base (1) is fixed with the support platform (2), a support plate 1 (3) is provided in the middle of the upper part of the support platform (2), and support plate 2 (4) is provided on both sides of support plate 1 (3), the bottom surface of support plate 1 (3) is detachably connected with a pressure block (6), and connecting plates (7) are symmetrically fixed on both sides of the top surface of the two support plates 2 (4), and a limiting rubber roller (8) is rotatably connected between each group of two connecting plates (7), a plurality of servo cylinders (5) are provided on the top surface of the anti-skid base (1) on the side of the support platform (2), and the output rods of the servo cylinders (5) are respectively fixed on the bottom surfaces of support plate 1 (3) and support plate 2 (4), and a positioning groove (9) is provided in the middle of the top surface of the support platform (2).

2. The tool for detecting the strength of the necked portion of a necked pipe according to claim 1, characterized in that: The bottom surfaces of the support plate 1 (3) and the two support plates 2 (4) are symmetrically provided with servo cylinders (5), and the two limiting rubber rollers (8) on the bottom surface of each support plate 2 (4) are symmetrically located on both sides of the positioning groove (9).

3. The tool for detecting the strength of the necked portion of a necked pipe according to claim 1, characterized in that: The top surface of the pressure block (6) is symmetrically provided with a mounting groove (11), and the inside of the mounting groove (11) is slidably inserted with a mounting rod (10), and the top surface of the mounting rod (10) is fixed to the bottom surface of the second support plate (4). A fixing screw (12) is symmetrically fixed to one end of the pressure block (6), and a limit block (13) is rotatably sleeved on the fixing screw (12), and a fixing clamp block (14) is threadedly sleeved on the outer side of the limit block (13).

4. The tool for detecting the strength of the necked portion of a necked pipe according to claim 1, characterized in that: The lower portion of each connecting plate (7) is configured as a semicircular body, and the diameter of the semicircular body at the bottom of the connecting plate (7) is smaller than the diameter of the limiting rubber roller (8).

5. The tool for detecting the strength of the necked portion of a necked pipe according to claim 3, characterized in that: One end of each of the mounting grooves (11) close to the fixing screw (12) is configured to be open, and the length of each of the mounting grooves (11) is smaller than the length of the pressure block (6).

6. The tool for testing the strength of the necked portion of a necked pipe according to claim 3, characterized in that: Each of the fixing screws (12) is arranged in a transversely placed "T" shape, and each of the limiting blocks (13) is provided with a through hole inside thereof to cooperate with the fixing screw (12).

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