Stretching device for plastic detection

By using fixing devices A and B inside the chamber, and through the cooperation of rotating threaded columns and extrusion plates, the problem of unstable fixing of curved plastics by the plastic testing device is solved, and the stable fixing of irregular plastics is achieved, thus improving the accuracy and practicality of the experiment.

CN223756478UActive Publication Date: 2026-01-02SHANGHAI YIJIE ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423075622.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2026-01-02
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing plastic testing tensile devices are prone to causing cracks in the middle when fixing curved plastics, which affects the accuracy of the experiment and wastes materials.

Method used

The device uses fixing devices A and B inside the box. By rotating the threaded column and the extrusion plate, the rotating plate and anti-slip texture are used to fit the plastic surface. Combined with the extrusion and fixing of the spring and rubber arc, it can adapt to irregular plastic shapes and prevent cracks from appearing.

Benefits of technology

It enables the stable fixation of plastics of different shapes, improves the accuracy and practicality of experiments, and avoids material waste.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223756478U_ABST
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Abstract

The utility model discloses a stretching device for plastic detection, which comprises a box body, a box groove is formed in the box body, a fixing device A is mounted at the bottom of the box groove, an extrusion plate A is mounted at the left end of the top of the fixing device A, a rotating column is mounted at the front end of the top of the extrusion plate A, an extrusion plate B is arranged on the right side of the extrusion plate A, and a bearing A is mounted on the right side of the extrusion plate B; according to the device, the threaded column is rotated to enable the fixing device B to approach the fixing device A step by step, when the plastic material is irregular, the rotating plate can rotate to be attached to the surface of the plastic material, the movable rod can be pushed into the rod groove due to extrusion and can be pushed out under the resistance of the spring when the movable rod is not fixed, and the structure of the movable rod perfectly fits the radian of the plastic material; fixing is reinforced through a rotating plate and anti-skid lines, rotation is prevented from occurring during fixing through a protruding block and a groove, the stability of the structure is reinforced, plastic of different shapes can be fixed conveniently, cracks are prevented from occurring, and the experiment is prevented from being affected, and practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of plastic detection, specifically to a stretching device for plastic detection. BACKGROUND

[0002] The plastic detection stretching device is a device for measuring the mechanical properties of plastic materials during the stretching process. It mainly tests the tensile strength, elongation at break and breaking strength of the plastic by applying tension, so as to evaluate the strength and reliability of the plastic material. The plastic detection stretching device is mainly used for measuring the tensile properties of plastic materials, including tensile strength, elongation at break and breaking strength.

[0003] However, the existing plastic detection is mostly for testing the elasticity of plastic products. The existing stretching device fixes the plastic by plane clamping. If the plastic with curvature is fixed, it may cause cracks in the middle of the plastic, affecting the accuracy of experimental detection, wasting experimental materials and causing unnecessary losses. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a stretching device for plastic detection to solve the problems mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stretching device for plastic detection, comprising a box body, a box groove is formed in the inside of the box body, a fixing device A is installed at the bottom of the box groove, a pressing plate A is installed at the top left end of the fixing device A, a rotating column is installed at the top front end of the pressing plate A, a pressing plate B is arranged at the right side of the pressing plate A, a bearing A is installed at the right side of the pressing plate B, a threaded column is fixedly connected to the inner ring of the bearing A, a fixed plate is installed at the top right end of the fixing device A, a threaded groove is formed at the right side of the fixed plate, a rod groove is formed in the inside of the pressing plate A, a protruding block is installed on the inner wall of the rod groove, a spring is fixedly connected to the left side of the inner wall of the rod groove, the other end of the spring is fixedly connected to a movable rod, a recess is formed at the bottom of the movable rod, a ball groove is formed at the left side of the movable rod, a ball rod is connected in the ball groove, a rotating plate is arranged on one side of the ball rod, an extrusion device A is arranged in the inside of the pressing plate A, a square groove is formed in the inside of the extrusion device A, a moving plate is arranged in the inside of the square groove, six rubber arcs are installed at the right side of the moving plate, a threaded hole is formed at the right end of the side surface of the moving plate, rod holes A are formed at the right end of the inner wall of the square groove, a threaded rod penetrates through the inside of the rod hole A, a bearing B is installed at the tail of the threaded rod, and a long rod is installed at the left end of the inner wall of the square groove.

[0006] Preferably, the top of the box groove is provided with an electric push rod, the top and the bottom of the two sides of the box groove are provided with columns, the surface of the column is connected with a movable plate, the top of the movable plate is provided with a column hole, the column penetrates the inside of the column hole, the bottom of the movable plate is provided with a tension meter, the bottom of the tension meter is fixedly connected with a fixing device B, and the fixing device B is mirror image arranged with the fixing device A.

[0007] Preferably, the extrusion plate A is mirror image arranged with the extrusion plate B, and the threaded column is screwed into the inside of the threaded groove.

[0008] Preferably, the rod groove and the movable rod are positionally corresponding, the protrusion and the groove are positionally corresponding and matched, the surface of the rotating plate is provided with an anti-skid line, and the ball groove and the ball rod are positionally corresponding and matched.

[0009] Preferably, the inside of the extrusion plate A is provided with an extrusion device B, the extrusion device B is mirror image arranged with the extrusion device A, the extrusion device A and the extrusion device B are communicated through the rod hole B, the left side of the threaded rod is fixedly connected with a rotating column, the threaded rod penetrates the inside of the rod hole A, the threaded hole, the rod hole B and the groove mirror image arranged at the right end of the extrusion device B in sequence, the right end inside of the extrusion device B is fixedly connected with a bearing B, and the long rod penetrates the inside of the left end of the movable plate.

[0010] Preferably, the square groove positions the movable plate, the square groove is communicated with the rod groove, and the rubber arc is attached to the movable rod.

[0011] The utility model provides a kind of stretching device for plastic detection, with the following beneficial effects:

[0012] In the utility model, by rotating threaded column, extrusion plate B gradually approaches extrusion plate A, when plastic material is irregular, rotating plate will rotate and adhere to the surface of plastic, movable rod is pushed into the inside of rod groove due to extrusion, and it is pushed out by spring resistance when not fixed, its structure perfectly adheres to the radian of plastic material, rotating plate and anti-skid line strengthen fixation, protrusion and groove prevent rotation when fixed, strengthen the stability of structure, it is convenient to fix different shape plastics, prevent crack and affect experiment, and it is more practical.

[0013] In the utility model, when extrusion plate A and extrusion plate B complete fixing to plastic, rotating rotating column to fix rubber arc to movable rod, its extrusion mode is to strengthen the fixation of movable rod, prevent movable rod from moving inward, strengthen the stability of internal structure, improve the practicability of the device. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the fixing device A structure schematic diagram of the utility model;

[0016] Figure 3 It is the movable rod structure sectional view of the utility model;

[0017] Figure 4 It is the extrusion device A structure sectional view of the utility model;

[0018] Figure 5 It is the rod hole A structure sectional view of the utility model.

[0019] In the figure: 1, box body;10, box groove;11, electric push rod;12, column body;2, movable plate;20, column hole;21, tension meter;3, fixed device A;30, fixed device B;31, extrusion plate A;32, extrusion plate B;33, fixed plate;34, bearing A;35, screw groove;36, threaded column;37, rotating column;4, movable rod;41, spring;42, protruding block;43, recess;44, ball groove;45, rotating plate;46, ball rod;47, anti-skid line;5, extrusion device A;50, square groove;51, rod groove;6, moving plate;60, rubber arc;7, long rod;70, threaded rod;8, rod hole A;81, rod hole B;82, threaded hole;83, bearing B;9, extrusion device B. DETAILED DESCRIPTION

[0020] The technical scheme 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.

[0021] As Figures 1-5As shown, the utility model provides a kind of technical scheme: a stretching device for plastic detection, box 1 is equipped with box groove 10 in its inside, fixed device A3 is installed at the bottom of box groove 10, extrusion plate A31 is installed at the top left end of fixed device A3, rotating column 37 is installed at the top front end of extrusion plate A31, extrusion plate B32 is provided at the right side of extrusion plate A31, bearing A34 is installed at the right side of extrusion plate B32, the inner ring of bearing A34 is fixedly connected with threaded column 36, fixed plate 33 is installed at the top right end of fixed device A3, threaded groove 35 is equipped with at the right side of fixed plate 33, rod groove 51 is equipped with in the inside of extrusion plate A31, lug 42 is installed at the inner wall of rod groove 51, spring 41 is fixedly connected with the left side of the inner wall of rod groove 51, another end of spring 41 is fixedly connected with movable rod 4, recess 43 is equipped with at the bottom of movable rod 4, ball groove 44 is equipped with at the left side of movable rod 4, ball rod 46 is connected in the inside of ball groove 44, rotating plate 45 is provided at one side of ball rod 46, extrusion device A5 is provided in the inside of extrusion plate A31, square groove 50 is equipped with in the inside of extrusion device A5, moving plate 6 is provided in the inside of square groove 50, six rubber arcs 60 are installed at the right side of moving plate 6, threaded hole 82 is equipped with at the side right end of moving plate 6, rod hole A8 is equipped with at both sides of the inner wall right end of square groove 50, threaded rod 70 is penetrated in the inside of rod hole A8, bearing B83 is installed at the tail of threaded rod 70, long rod 7 is installed at the left end of the inner wall of square groove 50.

[0022] In order to facilitate the vertical displacement of the movable plate 2 and the fixed device B30 driven by the electric push rod 11, in the embodiment, preferably, the top of the box groove 10 is provided with the electric push rod 11, the top and bottom of the both sides of the box groove 10 are provided with the column body 12, the surface of the column body 12 is connected with the movable plate 2, the both ends of the top of the movable plate 2 are provided with the column hole 20, the column body 12 is penetrated in the inside of the column hole 20, the bottom of the movable plate 2 is installed with the tension meter 21, the bottom of the tension meter 21 is fixedly connected with the fixed device B30, and the fixed device B30 is mirror image arranged with the fixed device A3.

[0023] In order to facilitate the extrusion and fixation of the extrusion plate B32 to the extrusion plate A31 driven by the rotating threaded column 36, in the embodiment, preferably, the extrusion plate A31 is mirror image arranged with the extrusion plate B32, and the threaded column 36 is threadedly connected in the inside of the threaded groove 35.

[0024] In order to facilitate the overall fitting and fixation of irregular plastic, in the embodiment, preferably, the rod groove 51 and the movable rod 4 are positionally corresponding to each other, the lug 42 and the recess 43 are positionally corresponding to and adapted to each other, the surface of the rotating plate 45 is provided with the anti-skid line 47, and the ball groove 44 and the ball rod 46 are positionally corresponding to and adapted to each other.

[0025] In order to facilitate the rotation of the rotating column 37 to drive the moving plate 6 to move in the square groove 50, preferably, the inside of the extrusion plate A31 is provided with an extrusion device B9, which is mirror image arranged with the extrusion device A5, the extrusion device A5 and the extrusion device B9 are communicated through the rod hole B81, the left side of the threaded rod 70 is fixedly connected with the rotating column 37, the threaded rod 70 penetrates the rod hole A8, the threaded hole 82, the rod hole B81 and the groove inside the right end of the mirror image arranged extrusion device B9 in sequence, the right end inside of the extrusion device B9 is fixedly connected with the bearing B83, and the long rod 7 penetrates the left end inside of the moving plate 6.

[0026] In order to facilitate the moving plate 6 to drive the rubber arc 60 to extrude and fix the movable rod 4, preferably, the square groove 50 limits the moving plate 6, the square groove 50 is communicated with the rod groove 51, and the rubber arc 60 is attached with the movable rod 4.

[0027] It should be noted that the stretching device for plastic detection, when working, first places one end of irregular plastic on the top of the fixed device A3, then rotates the threaded column 36 to make the extrusion plate B32 close to the extrusion plate A31 to extrude and fix the plastic, when the rotating plate 45 contacts the plastic, the rotating plate 45 will rotate to make the anti-skid line 47 completely attached to the plastic, then extrude, make the movable rod 4 move to the inside of the rod groove 51, after extrusion, the resistance of the spring 41 will push the movable rod 4 and the rotating plate 45 to extrude and fix the plastic; after the extrusion plate A31 and the extrusion plate B32 complete the fixation of the plastic, rotate the rotating column 37 to make the rubber arc 60 fix the movable rod 4, then place the other end of the irregular plastic on the bottom of the fixed device B30, then fix it as above; then the electric push rod 11 drives the movable plate 2 and the fixed device B30 to move upwards, and the tension meter 21 at the lower end of the movable plate 2 can observe the stretching data of different plastics, and finally complete the operation.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tensile device for plastic detection, comprising a box (1), characterized in that: The inside of the box (1) is provided with a box groove (10), the bottom of the box groove (10) is provided with a fixing device A (3), the top left end of the fixing device A (3) is provided with an extrusion plate A (31), the top front end of the extrusion plate A (31) is provided with a rotating column (37), the right side of the extrusion plate A (31) is provided with an extrusion plate B (32), the right side of the extrusion plate B (32) is provided with a bearing A (34), the inner ring of the bearing A (34) is fixedly connected with a threaded column (36), the top right end of the fixing device A (3) is provided with a fixed plate (33), the right side of the fixed plate (33) is provided with a threaded groove (35), the inside of the extrusion plate A (31) is provided with a rod groove (51), the inner wall of the rod groove (51) is provided with a protruding block (42), the inner wall left side of the rod groove (51) is fixedly connected with a spring (41), the other end of the spring (41) is fixedly connected with a movable rod (4), the bottom of the movable rod (4) is provided with a groove (43), the left side of the movable rod (4) is provided with a ball groove (44), the inside of the ball groove (44) is connected with a ball rod (46), one side of the ball rod (46) is provided with a rotating plate (45), the inside of the extrusion device A (5) is provided with a square groove (50), the inside of the square groove (50) is provided with a moving plate (6), the right side of the moving plate (6) is provided with six rubber arcs (60), the side right end of the moving plate (6) is provided with a threaded hole (82), the inner wall right end of the square groove (50) is provided with a rod hole A (8), the inside of the rod hole A (8) penetrates a threaded rod (70), the tail of the threaded rod (70) is provided with a bearing B (83), the inner wall left end of the square groove (50) is provided with a long rod (7).

2. The stretching device for plastic detection according to claim 1, characterized in that: The top of the box groove (10) is provided with an electric push rod (11), the top and bottom of the both sides of the box groove (10) are provided with a column body (12), the surface of the column body (12) is connected with a movable plate (2), the top of the both ends of the movable plate (2) is provided with a column hole (20), the column body (12) penetrates the inside of the column hole (20), the bottom of the movable plate (2) is provided with a tensiometer (21), the bottom of the tensiometer (21) is fixedly connected with a fixing device B (30), the fixing device B (30) is provided with a mirror image of the fixing device A (3).

3. The stretching device for plastic detection according to claim 1, characterized in that: The extrusion plate A (31) and the extrusion plate B (32) are provided with a mirror image, the threaded column (36) penetrates the inside of the threaded groove (35) and is threadedly connected.

4. The stretching device for plastic detection according to claim 1, characterized in that: The rod groove (51) and the movable rod (4) are positionally corresponding, the protruding block (42) and the groove (43) are positionally corresponding and matched, the surface of the rotating plate (45) is provided with an anti-skid line (47), the ball groove (44) and the ball rod (46) are positionally corresponding and matched.

5. The stretching device for plastic detection according to claim 1, characterized in that: The inside of the extrusion plate A (31) is provided with an extrusion device B (9), which is mirror image arranged with the extrusion device A (5), the extrusion device A (5) and the extrusion device B (9) are communicated through the rod hole B (81), the left side of the threaded rod (70) is fixedly connected with the rotating column (37), the threaded rod (70) penetrates the rod hole A (8), the threaded hole (82), the rod hole B (81) and the groove inside the right end mirror image arranged of the extrusion device B (9) in sequence, the right end inside of the extrusion device B (9) is fixedly connected with the bearing B (83), the long rod (7) penetrates the left end inside of the moving plate (6).

6. The stretching device for plastic detection according to claim 5, characterized in that: The square groove (50) positions the moving plate (6), the square groove (50) is communicated with the rod groove (51), and the rubber arc (60) is attached to the movable rod (4).