Tensile testing machine for testing rubber products
Technical Field
The utility model belongs to the technical field of rubber tensile testing machine, concretely relates to tensile testing machine is used in rubber component test.
Background
The rubber products refer to activities for producing various rubber products by using natural and synthetic rubbers as raw materials, and also include rubber products produced by recycling waste rubbers.
The tension tester is also called a universal material tester. The universal tester is used for carrying out mechanical stress applied to mechanical property tests such as static load, stretching, compression, bending, shearing, tearing, peeling and the like of instruments and equipment aiming at various materials, is suitable for various physical and mechanical property tests of materials such as plastic plates, pipes, profiled bars, plastic films, rubber, electric wires, cables, steel, glass fibers and the like, is material development, is indispensable detection equipment for physical property tests, teaching research, quality control and the like, a tension machine clamp is used as an important component of an instrument, different materials need different clamps, and the universal tester is also an important factor for smooth performance of the tests and high accuracy of test results.
The existing tensile testing machine for testing rubber products has the following defects when in use:
1. the bottom of the lower clamp is lack of support, so that the load borne by the lower clamp is increased;
2. after the host computer is placed, the host computer is hard to pull and overhaul.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tensile testing machine for testing rubber products, which aims to solve the problem that the bottom of a lower clamp provided in the background art is lack of support, and the load borne by the lower clamp is increased; after the host computer is placed, the problem that the host computer is hard to pull and overhaul is solved.
In order to achieve the above object, the utility model provides a following technical scheme: a tensile testing machine for rubber product testing comprises a workbench, wherein a supporting frame is arranged at the top of the workbench, a movable plate which can slide on the support frame is arranged on the inner side surface of the support frame, a lower clamp is arranged on the surface of the movable plate, the top of the supporting frame is fixed with an upper clamp which is distributed opposite to the lower clamp, the movable plate is provided with a supporting buffer mechanism, the supporting and buffering mechanism comprises a horizontal plate, a vertical plate, a movable block, a fixed groove and a spring, wherein the vertical plate is fixed at the bottom of the movable plate, a horizontal plate is fixed at the bottom of the side surface of the vertical plate, a plurality of fixing grooves distributed at intervals are arranged on the upper surface of the horizontal plate, one end of the movable block is embedded into the fixing grooves, the other end of the movable block extends out of the fixing grooves, and the spring is propped against the lower clamp, one end of the spring is connected with the end face of the embedded end of the movable block, and the other end of the spring is connected with the groove bottom of the fixed groove.
Preferably, the inner side surface of the fixing groove is provided with a sliding groove, the outer side surface of the embedding end of the movable block is provided with a sliding block matched with the sliding groove, and a limiting block is fixed at an opening of the sliding groove.
Preferably, a supporting seat is fixed on one side of the workbench, casters are fixed at the bottom of the supporting seat, and a display screen is placed on the supporting seat.
Preferably, a placing box is fixed on the supporting seat, and a host is placed in the placing box.
Preferably, the placing box and the supporting seat are provided with supporting components, each supporting component comprises a supporting plate, supporting grooves and connecting blocks, the supporting grooves are symmetrically distributed on the surface of the supporting seat, the bottom of the supporting plate is provided with the connecting blocks matched with the supporting grooves, and the host is placed at the top of the supporting plate.
Preferably, the top of the supporting plate is provided with a plurality of grooves, and the cross sections of the grooves are rectangular.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) through the designed supporting and buffering mechanism, the supporting and buffering of the lower clamp are realized by utilizing the matching of the horizontal plate, the vertical plate, the movable block and the spring, so that the service life of the lower clamp is prolonged;
(2) through the designed support assembly, the host machine can be taken out for maintenance more conveniently, and the maintenance efficiency is improved;
(3) the host computer is arranged on the supporting plate, the contact area between the host computer and the supporting plate is reduced through the plurality of grooves formed in the supporting plate, and the damp at the bottom of the host computer is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural view of the H region in fig. 1 according to the present invention;
fig. 3 is a schematic view of the groove structure formed on the support plate of the present invention;
in the figure: 1. a work table; 2. a lower clamp; 3. a support frame; 4. an upper clamp; 5. a movable plate; 6. a horizontal plate; 7. a vertical plate; 8. a display screen; 9. placing a box; 10. a host; 11. a caster wheel; 12. a support plate; 13. a supporting seat; 14. a limiting block; 15. a movable block; 16. fixing grooves; 17. a spring; 18. a slider; 19. a chute; 20. a groove; 21. a support groove; 22. and (4) connecting the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a tensile testing machine for rubber product testing comprises a workbench 1, a support frame 3 is installed at the top of the workbench 1, a movable plate 5 capable of sliding on the support frame 3 is arranged on the inner side surface of the support frame 3, a lower clamp 2 is installed on the surface of the movable plate 5, an upper clamp 4 distributed opposite to the lower clamp 2 is fixed at the top of the support frame 3, a supporting buffer mechanism is arranged on the movable plate 5 and comprises a horizontal plate 6, a vertical plate 7, a movable block 15, a fixed groove 16 and a spring 17, the vertical plate 7 is fixed at the bottom of the movable plate 5, the horizontal plate 6 is fixed at the bottom of the side surface of the vertical plate 7, a plurality of fixed grooves 16 distributed at intervals are formed in the upper surface of the horizontal plate 6, one end of the movable block 15 is embedded into the fixed groove 16, the other end of the movable block extends out of the fixed groove 16 and is abutted against the lower clamp 2, one end, the other end is connected with the tank bottom of fixed slot 16, during the operation, horizontal plate 6 is fixed in the side surface bottom of vertical board 7, lower anchor clamps 2 exert pressure to movable block 15 on the horizontal plate 6, compression spring 17 behind the movable block 15 pressurized, spring 17 has the function that resets after the pressurized, spring 17 promotes movable block 15 and upwards supports on lower anchor clamps 2, utilize horizontal plate 6, vertical board 7, movable block 15, spring 17's collocation plays the support buffering to lower anchor clamps 2, the life of extension lower anchor clamps 2.
In this embodiment, preferably, the inner side surface of the fixing groove 16 is provided with a sliding groove 19, the outer side surface of the insertion end of the movable block 15 is provided with a sliding block 18 matched with the sliding groove 19, and the opening of the sliding groove 19 is fixed with the limiting block 14, so that the movable block 15 is convenient to move and the movable section of the movable block 15 is limited.
In this embodiment, preferably, one side of the workbench 1 is fixed with a supporting seat 13, the bottom of the supporting seat 13 is fixed with a caster 11, the supporting seat 13 is convenient to move through the caster 11, and the display screen 8 is placed on the supporting seat 13.
In this embodiment, preferably, the supporting base 13 is fixed with a placing box 9, and the host computer 10 is placed in the placing box 9.
In this embodiment, it is preferred, be provided with supporting component on placing case 9 and the supporting seat 13, this supporting component includes backup pad 12, support groove 21 and connecting block 22, the support groove 21 of symmetric distribution is seted up on the surface of supporting seat 13, the bottom of backup pad 12 is provided with and supports groove 21 assorted connecting block 22, host computer 10 places in the top of backup pad 12, in use, take up backup pad 12, connecting block 22 of backup pad 12 bottom inserts along supporting groove 21, place host computer 10 in backup pad 12, when needing to overhaul host computer 10, through drawing out backup pad 12, it is more convenient to make and take out host computer 10, the efficiency of overhauing has been improved.
In this embodiment, preferably, the top of the supporting plate 12 is provided with a plurality of grooves 20, the cross section of each groove 20 is rectangular, the host 10 is placed on the supporting plate 12, and the bottom of the host 10 is protected from moisture by the grooves 20.
The utility model discloses a theory of operation and use flow: during operation, the horizontal plate 6 is fixed at the bottom of the side surface of the vertical plate 7, the lower clamp 2 applies pressure to the movable block 15 on the horizontal plate 6, the spring 17 is compressed after the movable block 15 is compressed, the spring 17 has a reset function after being compressed, the spring 17 pushes the movable block 15 to upwards abut against the lower clamp 2, supporting and buffering on the lower clamp 2 are achieved by matching the horizontal plate 6, the vertical plate 7, the movable block 15 and the spring 17, and the service life of the lower clamp 2 is prolonged;
when the device is used, the supporting plate 12 is taken up, the connecting block 22 at the bottom of the supporting plate 12 is inserted into the supporting groove 21, the plurality of grooves 20 are formed in the top of the supporting plate 12, the host 10 is placed on the supporting plate 12, and when the host 10 needs to be overhauled, the supporting plate 12 is pulled out, so that the host 10 is more convenient to take out, and the overhauling efficiency is improved;
one end of a rubber product to be tested is fixed with the upper clamp 4, the other end of the rubber product to be tested is fixed with the lower clamp 2, the power supply is switched on, the testing machine works, the movable plate 5 moves downwards along the support frame 3, the rubber product is directly broken, and the tested data are displayed on the display screen 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.