Tensile machine for testing plastic strength

Abstract

The utility model discloses a tensile machine for testing plastic strength, which structurally comprises a heat dissipation net, a driving machine, a control console, a rubber pad, a slide rail rod, a fixed table, a telescopic sliding mechanism, a clamp head, a connecting piece, a movable table, a limiting plate and a supporting leg column, and the heat dissipation net and the driving machine are of an integrated structure. Structurally, the lower end of an upper moving table is fixedly connected with a first ring block and a second ring block, a driving machine is further connected with a connecting shaft and matched with a threaded shaft for synchronous driving, then the threaded shaft drives the second ring block to move in the driving process, and then the threaded shaft drives the moving table at the upper end to move and stretch left and right; furthermore, in the displacement stretching process, the first ring block at the side end is matched with the fixed shaft rod to synchronously operate, so that the strength stretching test is performed on the plastic clamped in the clamp head arranged at the upper end of the movable table.

Description

Technical Field

[0001] The utility model relates to a tensile machine for testing the strength of plastics, belonging to the technical field of plastic testing. Background Art

[0002] In battery production, plastic is needed as the battery shell. The battery shell has high requirements for tensile strength because the battery will generate great pressure inside when charging and discharging. If the tensile strength of the plastic shell does not meet the requirements, it is easy to crack, causing electrolyte leakage, making the battery scrapped, and creating danger. However, the existing technology is relatively cumbersome for the operation of the plastic strength stretching process, which requires manpower to control the strength stretching, thereby reducing the overall work efficiency. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a tensile testing machine for testing the strength of plastics, so as to solve the problem that the operation of the plastic strength stretching process in the prior art is relatively cumbersome, resulting in the need for manpower to control the strength stretching, which reduces the overall work efficiency.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a tensile testing machine for testing plastic strength, whose structure includes a heat dissipation net, a driving machine, a control console, a rubber pad, a slide rail rod, a fixed platform, a telescopic sliding mechanism, a fixture head, a connecting piece, a mobile platform, a limit plate, and a supporting leg. The heat dissipation net and the driving machine are an integrated structure, the upper end of the driving machine is connected to the lower end of the control console, the slide rail rod and the fixed platform are an integrated structure, the right end of the fixed platform is fitted with the left end of the telescopic sliding mechanism, the lower end of the mobile platform is connected to the inside of the telescopic sliding mechanism, the right end of the limit plate is welded to the left end of the telescopic sliding mechanism, the lower end of the fixture head is connected to the upper end of the mobile platform, and the lower end of the telescopic sliding mechanism is bonded to the upper end of the supporting leg.

[0005] Furthermore, the telescopic sliding mechanism is composed of a rotating bearing, a connecting shaft, a fixed shaft rod, a protective shell, a first ring block, a second ring block, and a threaded shaft. The rotating bearing is embedded and installed in the right end of the protective shell, the left end of the connecting shaft is connected to the right end of the threaded shaft, the inner ring of the rotating bearing and the outer ring of the threaded shaft are on the same axis, the fixed shaft rod is embedded and installed in the protective shell, the outer ring of the fixed shaft rod and the inner ring of the first ring block are on the same axis, and the inner ring of the second ring block is meshed with the outer ring of the threaded shaft.

[0006] Furthermore, the slide rail rod is connected to the lower end of the clamp head through a connecting piece.

[0007] Furthermore, the upper ends of the first ring block and the second ring block are connected to the lower end of the mobile station.

[0008] Furthermore, the outer side of the rubber pad is bonded to the inner side of the clamp head.

[0009] Furthermore, the rubber pad is made of rubber and has toughness.

[0010] Furthermore, the fixed shaft is made of stainless steel and has hardness.

[0011] Beneficial Effects

[0012] The utility model discloses a tensile testing machine for testing the strength of plastics. The lower end of a movable platform is connected and fixed with a first ring block and a second ring block on the structure. A driving machine is further connected with a connecting shaft and synchronously driven with a threaded shaft. The second ring block is driven to move during the driving process of the threaded shaft and then the movable platform at the upper end is displaced and stretched left and right. Furthermore, during the displacement and stretching process, the first ring block at the side end is synchronously operated with a fixed shaft rod, so that a strength tensile test is performed on the plastic clamped in a fixture head arranged at the upper end of the movable platform. The rotating bearing arranged in the right end of the protective shell can avoid jamming during the driving process of the threaded shaft and ensure smoothness, thereby improving the efficiency of the plastic testing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0014] Figure 1 This is a structural schematic diagram of a tensile testing machine for testing plastic strength according to the utility model;

[0015] Figure 2 This is a structural schematic diagram of a telescopic sliding mechanism of the utility model;

[0016] Figure 3 It is an enlarged structural schematic diagram of a telescopic sliding mechanism A of the utility model.

[0017] In the figure: heat dissipation net-1, driving machine-2, control console-3, rubber pad-4, slide rail rod-5, fixed platform-6, telescopic sliding mechanism-7, clamp head-8, connecting piece-9, moving platform-10, limit plate-11, supporting foot column-12, rotating bearing-71, connecting shaft-72, fixed shaft rod-73, protective shell-74, first ring block-75, second ring block-76, threaded shaft-77. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1 , Figure 2 , Figure 3 The utility model provides a technical solution for testing the strength of plastic tensile machine: its structure includes a heat dissipation net 1, a driving machine 2, a control console 3, a rubber pad 4, a slide rail rod 5, a fixed platform 6, a telescopic sliding mechanism 7, a fixture head 8, a connecting piece 9, a mobile platform 10, a limit plate 11, and a supporting foot column 12. The heat dissipation net 1 and the driving machine 2 are an integrated structure. The upper end of the driving machine 2 is connected to the lower end of the control console 3. The slide rail rod 5 and the fixed platform 6 are an integrated structure. The right end of the fixed platform 6 is fitted with the left end of the telescopic sliding mechanism 7. The lower end of the mobile platform 10 is connected to the inside of the telescopic sliding mechanism 7. The right end of the limit plate 11 is welded to the left end of the telescopic sliding mechanism 7. The lower end of the fixture head 8 is connected to the upper end of the mobile platform 10. The lower end of the telescopic sliding mechanism 7 is bonded to the upper end of the supporting foot column 12. The telescopic sliding mechanism 7 consists of a rotating bearing 71, a connecting shaft 72, The fixed shaft rod 73, the protective shell 74, the first ring block 75, the second ring block 76, and the threaded shaft 77 are composed. The rotating bearing 71 is embedded and installed in the right end of the protective shell 74. The left end of the connecting shaft 72 is connected to the right end of the threaded shaft 77. The inner ring of the rotating bearing 71 and the outer ring of the threaded shaft 77 are on the same axis. The fixed shaft rod 73 is embedded and installed in the protective shell 74. The outer ring of the fixed shaft rod 73 and the inner ring of the first ring block 75 are on the same axis. The inner ring of the second ring block 76 is meshed with the outer ring of the threaded shaft 77. The slide rail rod 5 is connected to the lower end of the clamp head 8 through the connecting piece 9. The upper ends of the first ring block 75 and the second ring block 76 are connected to the lower end of the moving platform 10. The outer side of the rubber pad 4 is bonded to the inner side of the clamp head 8. The rubber pad 4 is made of rubber and has toughness. The fixed shaft rod 73 is made of stainless steel and has hardness.

[0020] The rotating bearing 71 described in this patent is an important component in contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy.

[0021] When in use, the lower end of the movable platform 10 is connected and fixed with the first ring block 75 and the second ring block 76, and the driving machine 2 is further connected to the connecting shaft 72 and synchronously driven with the threaded shaft 77, and then the second ring block 76 is driven by the threaded shaft 77 to move, and then the upper movable platform 10 is moved left and right and stretched, and further in the displacement and stretching process, the first ring block 75 at the side end cooperates with the fixed shaft 73 to operate synchronously, so as to perform a strength tensile test on the plastic clamped in the clamp head 8 set at the upper end of the movable platform 10, and the rotating bearing 71 set in the right end of the protective shell 74 can avoid jamming during the driving process of the threaded shaft 77 to ensure smoothness.

[0022] The utility model solves the problem that the operation of the plastic strength stretching process in the prior art is relatively cumbersome, which requires manpower to control the strength stretching and reduces the overall work efficiency. The utility model combines the above-mentioned components with each other. The lower end of the structural movable platform is connected and fixed with the first ring block and the second ring block. The driving machine is further connected to the connecting shaft and synchronously driven with the threaded shaft. The second ring block is then driven by the threaded shaft driving process to move and then the upper movable platform is moved left and right. Furthermore, during the displacement stretching process, the first ring block at the side end cooperates with the fixed shaft rod to operate synchronously, so as to perform a strength stretching test on the plastic clamped in the fixture head arranged at the upper end of the movable platform. The rotating bearing arranged in the right end of the protective shell can avoid jamming during the threaded shaft driving process to ensure smoothness, thereby improving the efficiency of the plastic testing process.

[0023] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A tensile testing machine for testing plastic strength, characterized in that: The structure comprises a heat dissipation net (1), a driving machine (2), a control console (3), a rubber pad (4), a slide rail rod (5), a fixed platform (6), a telescopic sliding mechanism (7), a fixture head (8), a connecting piece (9), a movable platform (10), a limiting plate (11), and a supporting foot column (12). The heat dissipation net (1) and the driving machine (2) are an integrated structure. The upper end of the driving machine (2) is connected to the lower end of the control console (3). The slide rail rod (5) and the fixed platform (6) are an integrated structure. The right end of the fixed platform (6) is fitted with the left end of the telescopic sliding mechanism (7). The lower end of the movable platform (10) is connected to the inside of the telescopic sliding mechanism (7). The right end of the limiting plate (11) is welded to the left end of the telescopic sliding mechanism (7). The lower end of the fixture head (8) is connected to the upper end of the movable platform (10). The lower end of the telescopic sliding mechanism (7) is bonded to the upper end of the supporting foot column (12).

2. A tensile testing machine for testing plastic strength according to claim 1, characterized in that: The telescopic sliding mechanism (7) is composed of a rotating bearing (71), a connecting shaft (72), a fixed shaft rod (73), a protective shell (74), a first ring block (75), a second ring block (76), and a threaded shaft (77). The rotating bearing (71) is embedded and installed in the right end of the protective shell (74), the left end of the connecting shaft (72) is connected to the right end of the threaded shaft (77), the inner ring of the rotating bearing (71) and the outer ring of the threaded shaft (77) are coaxial, the fixed shaft rod (73) is embedded and installed in the protective shell (74), the outer ring of the fixed shaft rod (73) and the inner ring of the first ring block (75) are coaxial, and the inner ring of the second ring block (76) is meshed with the outer ring of the threaded shaft (77).

3. A tensile testing machine for testing plastic strength according to claim 1, characterized in that: The slide rail rod (5) is connected to the lower end of the clamp head (8) via a connecting piece (9).

4. A tensile testing machine for testing plastic strength according to claim 2, characterized in that: The upper ends of the first ring block (75) and the second ring block (76) are connected to the lower end of the moving platform (10).

5. A tensile testing machine for testing plastic strength according to claim 1, characterized in that: The outer side of the rubber pad (4) is bonded to the inner side of the clamp head (8).

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