Electronic tension testing machine with safety protection function

Abstract

The utility model discloses an electronic tension testing machine with a safety protection function, which relates to the field of electronic tension tests and comprises a fixing frame, a protection plate is rotatably connected to the outer wall of the fixing frame, a pull block is vertically and slidably mounted on the inner side of the fixing frame, and a transmission mechanism is arranged on the fixing frame and the pull block. The transmission mechanism comprises a reset unit and a transmission unit; and the transmission unit is used for providing limitation for connection of the protection plate and the pull block. Through the arrangement of the transmission mechanism, after a material is clamped, the protection plate is closed, one end of the material is pulled to move upwards through the pull block moving upwards, the pressing rod is synchronously driven to move, limiting of the stress rod is relieved, and the limiting block moves upwards under the action of the spring to limit a butt joint block on the protection plate; and when the pull block returns to the original position and makes contact with the stress rod to relieve limiting of the butt joint block, limiting control over the protection plate is automatically completed, manual operation steps are reduced, and the working efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the field of electronic tensile testing, in particular to an electronic tensile testing machine with a safety protection function. Background Art

[0002] A tensile testing machine is also known as a universal material testing machine. A universal testing machine is a mechanical force-applying testing machine used for static load, tension, compression, bending, shearing, tearing, peeling and other mechanical property tests of various materials.

[0003] In the prior art, when conducting a tensile test on a material, generally a tensile machine is used to clamp the material to be tested, and then the clamping end is pushed to pull one end of the discharged material to move, and the tensile data of the material is obtained by testing at what tensile force the discharged material breaks. When the material breaks, the broken material debris will fly. The existing tensile machine has no protection function, and the flying debris is likely to cause harm to the staff. Therefore, the utility model provides an electronic tensile testing machine with a safety protection function. Content of the Utility Model

[0004] The purpose of the utility model is to provide an electronic tensile testing machine with a safety protection function to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An electronic tensile testing machine with a safety protection function, including a fixed frame, a protection plate is rotatably connected to the outer wall of the fixed frame, a pulling block is vertically slidably installed inside the fixed frame, and a transmission mechanism arranged on the fixed frame and the pulling block;

[0006] The transmission mechanism includes a reset unit and a transmission unit;

[0007] The transmission unit is used to provide a limit for the connection between the protection plate and the pulling block;

[0008] The reset unit is used to provide a reset elastic force for the movement of the transmission unit.

[0009] As a further scheme of the utility model: The transmission unit includes a pressing rod, a stress rod, a pushing block, a limiting block, a docking block, and a guiding groove;

[0010] The pressing rod is fixed to the bottom end of the pulling block, and the pressing rod is used to move along with the movement of the pulling block;

[0011] The stress rod is vertically slidably installed inside the fixed frame, and the stress rod is used to drive the pushing block synchronization unit;

[0012] The pushing block is fixed to the top end of the stress rod and is located inside the fixed frame, and the pushing block is used to axially move the limiting block;

[0013] The limiting block is axially slidably mounted on the inner wall of the fixed frame, and the limiting block is used to limit the movement of the docking block;

[0014] The docking block is fixed on the outer wall of the protection plate, and the docking block is used to provide assistance for the limiting of the fixed frame and the protection plate;

[0015] The guide groove is opened on the outer wall of the limiting block, and the guide groove is used to guide the axial movement of the limiting block.

[0016] As a further solution of the present invention: The reset unit includes a positioning rod and a spring;

[0017] The positioning rod is fixed on the inner wall of the fixed frame and penetrates through the stress rod, and the positioning rod is used to guide the vertical movement of the stress rod;

[0018] Both ends of the spring are respectively clamped on the bottom end of the stress rod and the inner wall of the fixed frame, and the spring is used to provide a reset elastic force for the movement of the stress rod.

[0019] As a further solution of the present invention: A guide rod extending to the inside of the guide groove is fixed on the outer wall of the push block, and the guide rod on the outer wall of the push block matches the inside of the guide groove.

[0020] As a further solution of the present invention: The outer wall of the guide groove is in an overall inclined state, and a sliding groove for the axial movement of the limiting block is formed on the inner wall of the fixed frame.

[0021] As a further solution of the present invention: A docking groove for the docking block to enter is formed on the inner side of the fixed frame, and a limiting groove for the limiting block to insert is formed on the inner side of the docking block.

[0022] As a further solution of the present invention: One end of the outer wall of the limiting block matches the inside of the limiting groove on the docking block.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] By setting the transmission mechanism, after clamping the material, the protection plate can be closed. The upward movement of the pull block pulls one end of the material upward, synchronously drives the downward pressure rod to move, releases the limit of the stress rod, so that the limiting block moves upward under the action of the spring to limit the docking block on the protection plate, and when the pull block returns to the original position and contacts the stress rod to release the limit of the docking block, the limit control of the protection plate is automatically completed, reducing the manual operation steps and further improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of the present invention;

[0026] Figure 2 Schematic diagram of the installation structure of the transmission mechanism of the present utility model;

[0027] Figure 3 Partial enlarged view of part A of the present utility model.

[0028] In the figure: 1, fixed frame; 2, protective plate; 3, pulling block; 4, transmission mechanism; 401, pressing rod; 402, stress rod; 403, positioning rod; 404, spring; 405, pushing block; 406, limiting block; 407, docking block; 408, guiding groove. Specific implementation manner

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1 - 3 , in the embodiment of the present utility model, an electronic tensile testing machine with a safety protection function includes a fixed frame 1, a protective plate 2 is rotatably connected to the outer wall of the fixed frame 1, a pulling block 3 is vertically slidably installed inside the fixed frame 1, and a transmission mechanism 4 provided on the fixed frame 1 and the pulling block 3;

[0031] The transmission mechanism 4 includes a reset unit and a transmission unit;

[0032] The transmission unit is used to provide a limit for the connection between the protective plate 2 and the pulling block 3;

[0033] The reset unit is used to provide a reset elastic force for the movement of the transmission unit;

[0034] The transmission unit includes a pressing rod 401, a stress rod 402, a pushing block 405, a limiting block 406, a docking block 407, and a guiding groove 408;

[0035] The pressing rod 401 is fixed to the bottom end of the pulling block 3, and the pressing rod 401 is used to move along with the movement of the pulling block 3;

[0036] The stress rod 402 is vertically slidably installed inside the fixed frame 1, and the stress rod 402 is used to drive the pushing block 405 in synchronization;

[0037] The pushing block 405 is fixed to the top end of the stress rod 402 and is located inside the fixed frame 1, and the pushing block 405 is used to push the limiting block 406 to move axially;

[0038] The limiting block 406 is axially slidably installed on the inner wall of the fixing frame 1, and the limiting block 406 is used to limit the movement of the docking block 407;

[0039] The docking block 407 is fixed on the outer wall of the protection plate 2, and the docking block 407 is used to provide assistance for the limiting of the fixing frame 1 and the protection plate 2;

[0040] The guiding groove 408 is opened on the outer wall of the limiting block 406, and the guiding groove 408 is used to guide the axial movement of the limiting block 406;

[0041] The reset unit includes a positioning rod 403 and a spring 404;

[0042] The positioning rod 403 is fixed on the inner wall of the fixing frame 1 and penetrates through the stress rod 402. The positioning rod 403 is used to guide the vertical movement of the stress rod 402;

[0043] The two ends of the spring 404 are respectively clamped at the bottom end of the stress rod 402 and the inner wall of the fixing frame 1. The spring 404 is used to provide a reset elastic force for the movement of the stress rod 402.

[0044] In this embodiment: When using this device, by fixing both ends of the material on the inner side of the pulling block 3 and the clamping block inside the fixing frame 1, by closing the protection plate 2, and then driving the pulling block 3 to move upward to provide a pulling force on the material, the pulling force data is transmitted to the display screen through the sensor. During the upward movement of the pulling block 3, the pressing rod 401 will separate from the stress rod 402. The stress rod 402 that no longer receives the pressure from the pressing rod 401 will move upward along the outer wall of the positioning rod 403 under the action of the spring 404. The upward moving stress rod 402 will synchronously drive the pushing block 405 to move upward, so that the pushing block 405 pushes the guiding rod fixed on the outer wall to move synchronously. The guiding rod gives an extrusion thrust to the guiding groove 408 on the outer wall of the limiting block 406. The stressed guiding groove 408 transmits the extrusion force to the limiting block 406, causing the limiting block 406 to move axially. The axially moving limiting block 406 will insert into the limiting groove inside the docking block 407 to limit the rotation of the docking block 407 and the protection plate 2. Then, when the material breaks due to the pulling force or detaches from the clamping of the pulling block 3, the generated splashes all act on the fixed protection plate 2 to protect the staff. It can automatically limit and release the limit of the protection plate 2, which is convenient for the staff to use quickly and further improves the work efficiency.

[0045] Please refer specifically to Figures 1 - 3, a guide rod extending to the inside of the guide groove 408 is fixed to the outer wall of the pushing block 405. The guide rod on the outer wall of the pushing block 405 matches the inside of the guide groove 408. The outer wall of the guide groove 408 is inclined as a whole. A sliding groove for the axial movement of the limiting block 406 is formed on the inner wall of the fixing frame 1. A docking groove for the docking block 407 to enter is formed on the inner side of the fixing frame 1. A limiting groove for the limiting block 406 to insert is formed on the inner side of the docking block 407. One end of the outer wall of the limiting block 406 matches the inside of the limiting groove on the docking block 407.

[0046] In this embodiment: Through this structure, after the pressing rod 401 is reset under the action of the pulling block 3, the pressing rod 401 will apply a downward pressure to the stress rod 402 again, so that the stress rod 402 drives the pushing block 405 to pull the guide rod to move vertically and pull the limiting block 406 to move axially, so that the limiting block 406 disengages from the inner limiting groove of the docking block 407, releasing the rotational limit on the protection plate 2 and the docking block 407, facilitating the quick opening of the protection plate 2 for material replacement, and further improving the work efficiency.

[0047] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An electronic tensile testing machine with a safety protection function, comprising a fixed frame (1), an outer wall of the fixed frame (1) is rotatably connected with a protection plate (2), and a pulling block (3) is vertically and slidably installed inside the fixed frame (1), characterized in that, The transmission mechanism (4) arranged on the fixed frame (1) and the pulling block (3); The transmission mechanism (4) includes a reset unit and a transmission unit; The transmission unit is used to provide a limit for the connection between the protection plate (2) and the pulling block (3); The reset unit is used to provide a reset elastic force for the movement of the transmission unit.

2. The electronic tensile testing machine with a safety protection function according to claim 1, characterized in that, The transmission unit includes a pressing rod (401), a force-receiving rod (402), a pushing block (405), a limiting block (406), a docking block (407), and a guiding groove (408); The pressing rod (401) is fixed to the bottom end of the pulling block (3), and the pressing rod (401) is used to move along with the movement of the pulling block (3); The force-receiving rod (402) is vertically slidably installed inside the fixed frame (1), and the force-receiving rod (402) is used to drive the pushing block (405) synchronously; The pushing block (405) is fixed to the top end of the force-receiving rod (402) and is located inside the fixed frame (1), and the pushing block (405) is used to push the limiting block (406) to move axially; The limiting block (406) is axially slidably installed on the inner wall of the fixed frame (1), and the limiting block (406) is used to limit the movement of the docking block (407); The docking block (407) is fixed to the outer wall of the protection plate (2), and the docking block (407) is used to provide assistance for the limit between the fixed frame (1) and the protection plate (2); The guiding groove (408) is opened on the outer wall of the limiting block (406), and the guiding groove (408) is used to provide guidance for the axial movement of the limiting block (406).

3. An electronic tensile testing machine with a safety protection function according to claim 2, characterized in that, The reset unit includes a positioning rod (403) and a spring (404); The positioning rod (403) is fixed to the inner wall of the fixed frame (1) and passes through the force-receiving rod (402), and the positioning rod (403) is used to provide guidance for the vertical movement of the force-receiving rod (402); The two ends of the spring (404) are respectively clamped to the bottom end of the force-receiving rod (402) and the inner wall of the fixed frame (1), and the spring (404) is used to provide a reset elastic force for the movement of the force-receiving rod (402).

4. An electronic tensile testing machine with a safety protection function according to claim 2, characterized in that, A guiding rod extending to the inside of the guiding groove (408) is fixed to the outer wall of the pushing block (405), and the guiding rod on the outer wall of the pushing block (405) matches the inside of the guiding groove (408).

5. The electronic tensile testing machine with a safety protection function according to claim 2, characterized in that, The outer wall of the guiding groove (408) is integrally inclined, and a sliding groove for the axial movement of the limiting block (406) is formed on the inner wall of the fixed frame (1).

6. The electronic tensile testing machine with a safety protection function according to claim 2, characterized in that, A docking groove for the docking block (407) to enter is formed inside the fixed frame (1), and a limiting groove for the limiting block (406) to insert is formed inside the docking block (407).

7. An electronic tensile testing machine with a safety protection function according to claim 2, characterized in that, One end of the outer wall of the limiting block (406) matches the inside of the limiting groove on the docking block (407).

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