CN113405900B

CN113405900B - Tension test device for rubber products

Info

Publication number: CN113405900B
Application number: CN202110501550.1A
Authority: CN
Inventors: 黄春香; 雷波; 黄祥国; 徐青青
Original assignee: Anhui Jianghai Rubber Plastic Products Co ltd
Current assignee: Anhui Jianghai Rubber Plastic Products Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2023-11-07
Anticipated expiration: 2041-05-08
Also published as: CN113405900A

Abstract

The application provides a tensile test device for rubber products, which relates to the field of rubber products, and comprises a base, a first motor fixed on the base, a lower plate fixed on an output shaft of the first motor, and a plurality of vertical rods with one ends fixed on the upper surface of the lower plate, wherein the vertical rods are internally provided with perforations penetrating through the upper end surfaces of the vertical rods; the upper plate is positioned above the lower plate, and the upper plate is provided with through holes corresponding to the perforations one by one; the limiting rods are fixed at one end of the lower plate, at least two limiting rods penetrate through the upper plate; the fourth motor is fixed at the top of the bracket, and the reel is fixed on the output shaft of the fourth motor; the first fixing part and the second fixing part are arranged in the through hole. Through this device, operating personnel only need guide the sample get into the through-hole can, and fixed process is gone on by the device is automatic, can also once test a plurality of samples simultaneously, has improved efficiency of software testing.

Description

Tension test device for rubber products

Technical Field

The application relates to the field of rubber products, in particular to a tension test device for a rubber product.

Background

Rubber products refer to activities of producing various rubber products by taking natural and synthetic rubber as raw materials, and in order to solve whether the tensile force of the rubber products meets the requirement, a certain amount of samples are generally required to be extracted for tensile test, such as insulating layers wrapping copper wires, and the like, and the tensile test is required.

The inventors found that: at present, when carrying out tensile test, need the manual work to carry out the operation of gripping to the sample, can only test one sample at a time moreover, inefficiency.

Disclosure of Invention

In view of the foregoing, an object of one or more embodiments of the present disclosure is to provide a tensile testing device for rubber products, so as to solve the technical problems that in the prior art, when a tensile test is performed, a sample needs to be manually clamped, and only one sample can be tested at a time, which is inefficient.

In view of the above object, one or more embodiments of the present specification provide a tensile test apparatus for rubber products, including:

the device comprises a base, a first motor fixed on the base, a lower plate fixed on an output shaft of the first motor, and a plurality of vertical rods with one ends fixed on the upper surface of the lower plate, wherein the vertical rods are arranged in an annular array at the periphery of the first motor, and perforated holes penetrating through the upper end face of the vertical rods are arranged in the vertical rods;

the device comprises a bracket with one end fixed on a base, a first air cylinder fixed on the top of the bracket, and an upper plate with the upper surface rotationally connected with an output shaft of the first air cylinder, wherein the upper plate is positioned above a lower plate, and the upper plate is provided with through holes corresponding to the perforations one by one, and the through holes are positioned right above the corresponding perforations;

the limiting rods are fixed at one end of the lower plate, at least two limiting rods penetrate through the upper plate;

the device comprises a bracket, a first motor, a second motor, a third motor, a fourth motor, a reel, a sample guide device and a control device, wherein the bracket is provided with a through hole;

the first fixing part is used for fixing the bottom of the sample when the bottom of the sample moves to the bottom of the through hole, and the second fixing part is used for fixing the sample in the through hole and cutting off the sample.

Further, the first fixing part comprises a fixing component arranged on the vertical rod and a driving component arranged on the lower plate, and when the bottom of the sample moves to the bottom of the perforation, the driving component enables the fixing component corresponding to the perforation to fix the bottom of the sample.

Further, the fixing assembly includes:

a linkage block with a first rectangular hole at one end;

the screw rod and be fixed in the rectangular piece at screw rod top, the side surface of pole setting is equipped with the screw with perforation intercommunication, screw rod and screw threaded connection, rectangular piece and first rectangular hole assorted, and be located first rectangular hole.

Further, the driving assembly includes:

the motor comprises a second motor, a supporting plate and a third motor, wherein the second motor is fixed on the upper surface of a lower plate, the supporting plate is fixed on an output shaft of the second motor, the third motor is fixed on the supporting plate, and the part, located outside, of the output shaft of the third motor is rectangular;

the electromagnet is fixed in the end face holes;

the linkage plate is provided with a second rectangular hole, one side of the linkage plate is fixedly connected with the end part of the linkage rod, which is positioned outside the end surface hole, the second rectangular hole is matched with the part of the third motor output shaft, which is positioned outside, and the central axis of the second rectangular hole is positioned on the same straight line with the central axis of the third motor output shaft;

the spring is sleeved on the linkage rod, one end of the spring is fixed on the outer end surface of the linkage block, and the other end of the spring is fixed on the linkage plate;

after the output shaft of the third motor is inserted into the second rectangular hole, the third motor drives the linkage block to rotate at the moment.

Further, one end of the supporting rod fixed on the outer side surface of the linkage block is a T-shaped end, and the end is rotationally connected with a rotating groove arranged on the side surface of the vertical rod.

Further, the second fixing portion includes:

the cavity is arranged at one side of the through hole, and the second cylinder is fixed at the bottom of the cavity;

the bottom end of the third cylinder is connected with the cavity in a sliding way, the pressing rod is provided with a cutter hole, a notch is arranged above the front end of the pressing rod, and the output shaft of the third cylinder is fixed at the bottom end of the pressing rod;

and the front end of the cutter is positioned in the cutter hole, and the output shaft of the second cylinder is fixed at the rear end of the cutter.

The application has the beneficial effects that: when the tensile test device for the rubber product is used for experiments, firstly, a sample is wound on the reel, then the first motor rotates to drive the upper plate and the lower plate to rotate, when one through hole moves to the lower part of the reel, the sample is guided into the through hole under the action of external force, when the bottom of the sample moves to the bottom of the perforation, the first fixing part fixes the bottom of the sample, the second fixing part fixes the sample in the through hole and cuts off, after the sample on the reel is completely released, the first cylinder gradually drives the upper plate to move upwards to complete the experiments, and through the device, an operator only needs to guide the sample to enter the through hole, the fixing process is automatically carried out by the device, and simultaneously, a plurality of samples can be tested at one time, so that the test efficiency is improved.

Drawings

For a clearer description of one or more embodiments of the present description or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only one or more embodiments of the present description, from which other drawings can be obtained, without inventive effort, for a person skilled in the art.

FIG. 1 is a front view of a specific implementation of an embodiment of the present application;

FIG. 2 is a schematic view of a first fixing portion according to an embodiment of the present application;

FIG. 3 is a second schematic view of the first fixing portion according to the embodiment of the present application;

FIG. 4 is a schematic view of a second fixing portion according to an embodiment of the present application;

fig. 5 is a schematic diagram of a second fixing portion in an embodiment of the present application.

1, a base; 2. a lower plate; 3. a first motor; 4. a bracket; 5. a first cylinder; 6. an upper plate; 7. a reel; 8. a vertical rod; 9. a limit rod; 10. perforating; 11. a through hole; 12. a second motor; 13. a supporting plate; 14. a third motor; 15. a linkage block; 16. a first rectangular hole; 17. a support rod; 18. a rotating groove; 19. a linkage plate; 20. a second rectangular hole; 21. a screw; 22. rectangular blocks; 23. an electromagnet; 24. an end face hole; 25. a linkage rod; 26. a spring; 27. a second cylinder; 28. a third cylinder; 29. a compression bar; 30. a cutter; 31. a cavity; 32. a knife hole; 33. and (5) a notch.

Detailed Description

For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made in detail to the following specific examples.

It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

In view of the above object, a first aspect of the present application provides an embodiment of a tensile test apparatus for rubber products, as shown in fig. 1, comprising:

the device comprises a base 1, a first motor 3 fixed on the base 1, a lower plate 2 fixed on an output shaft of the first motor 3, and a plurality of vertical rods 8 with one ends fixed on the upper surface of the lower plate 2, wherein the plurality of vertical rods 8 are distributed in an annular array at the periphery of the first motor 3, and perforations 10 penetrating through the upper end face of the vertical rods 8 are arranged in the vertical rods 8;

the device comprises a bracket 4 with one end fixed on a base 1, a first air cylinder 5 fixed on the top of the bracket 4, and an upper plate 6 with the upper surface rotationally connected with an output shaft of the first air cylinder 5, wherein the upper plate 6 is positioned above a lower plate 2, the upper plate 6 is provided with through holes 11 corresponding to the through holes 10 one by one, and the through holes 11 are positioned right above the corresponding through holes 10;

the limiting rods 9 are fixed at one end of the lower plate 2, at least two limiting rods 9 are arranged, and the limiting rods 9 penetrate through the upper plate 6;

the device comprises a fourth motor fixed at the top of a bracket 4 and a reel 7 fixed on an output shaft of the fourth motor, wherein the reel 7 is used for releasing or winding a sample, and when one through hole 11 moves to the lower part of the reel 7, the sample is guided into the through hole 11 under the action of external force;

the first fixing part fixes the bottom of the sample when the bottom of the sample moves to the bottom of the through hole 10, and the second fixing part fixes the sample in the through hole 11 and cuts off the sample.

In this embodiment, during the experiment, first with the sample winding on reel 7, then first motor 3 rotates, drives upper plate 6 and hypoplastron 2 rotation, when one of them through-hole 11 moves to the below of reel 7, under the exogenic action, with the sample guide to in the through-hole 11 to when the bottom of sample moves to perforation 10 bottom, the bottom of first fixed part with the sample is fixed, the second fixed part is fixed the sample in through-hole 11, and cuts off, after the whole release of sample on reel 7, first cylinder 5 gradually drives upper plate 6 upwards to remove, accomplishes the experiment, through this device, the operating personnel only need guide the sample get into through-hole 11 can, and the fixed process is gone on by the device is automatic, still can once test a plurality of samples simultaneously, has improved test efficiency.

As an embodiment, the first fixing portion includes a fixing component disposed on the upright rod 8 and a driving component disposed on the lower plate 2, where when the bottom of the sample moves to the bottom of the through hole 10, the driving component makes the fixing component corresponding to the through hole 10 fix the bottom of the sample.

Here, as shown in fig. 2 and 3, a structure of a fixing assembly is introduced, the fixing assembly including:

a linkage block 15 with a first rectangular hole 16 at one end;

the screw rod 21 and be fixed in the rectangular piece 22 at screw rod 21 top, the side surface of pole setting 8 is equipped with the screw with perforation 10 intercommunication, screw rod 21 and screw threaded connection, rectangular piece 22 and first rectangular hole 16 assorted, and be located first rectangular hole 16.

Here, when the bottom end of the sample moves to the bottom of the perforation 10, the linkage block 15 is rotated by an external force, thereby driving the screw 21 to rotate, so that the screw 21 gradually moves into the perforation 10, and finally the bottom end of the sample is fixed.

As an embodiment, as shown in fig. 2 and 3, the driving assembly includes:

a second motor 12 fixed on the upper surface of the lower plate 2, a supporting plate 13 fixed on the output shaft of the second motor 12, and a third motor 14 fixed on the supporting plate 13, wherein the part of the output shaft of the third motor 14 positioned outside is rectangular;

a plurality of end face holes 24 arranged on the outer end face of the linkage block 15, a linkage rod 25 in sliding connection with the end face holes 24 and an electromagnet 23 fixed in the end face holes 24;

the linkage plate 19 provided with a second rectangular hole 20, one side of the linkage plate 19 is fixedly connected with the end part of the linkage rod 25, which is positioned outside the end surface hole 24, the second rectangular hole 20 is matched with the part of the output shaft of the third motor 14, which is positioned outside, and the central axis of the second rectangular hole 20 and the central axis of the output shaft of the third motor 14 are positioned on the same straight line;

the spring 26 is sleeved on the linkage rod 25, one end of the spring 26 is fixed on the outer end surface of the linkage block 15, and the other end of the spring 26 is fixed on the linkage plate 19;

after the output shaft of the third motor 14 is inserted into the second rectangular hole 20, at this time, the third motor 14 will drive the linkage block 15 to rotate.

Here, before the bottom end of the sample moves to the bottom of the perforation 10, the electromagnet 23 is in a power-on state, so that the linkage rod 25 overcomes the elasticity of the spring 26, drives the linkage plate 19 to approach the linkage block 15, when the bottom end of the sample moves to the bottom of the perforation 10, the second motor 12 is driven, drives the output shaft of the third motor 14 to be opposite to the second rectangular hole 20 on the linkage plate 19 corresponding to the perforation 10, at this time, the electromagnet 23 is powered off, under the action of the elasticity of the spring 26, the linkage plate 19 moves towards the third motor 14, and finally the output shaft of the third motor 14 is inserted into the second rectangular hole 20, so that the third motor 14 drives the linkage block 15 to rotate.

As an embodiment, as shown in fig. 2 and 3, one end of the supporting rod 17 fixed on the outer side surface of the linkage block 15 is a T-shaped end, and the end is rotatably connected with a rotating groove 18 provided on the side surface of the upright rod 8, so that the linkage block 15 is more stable when rotating.

As an embodiment, as shown in fig. 4 and 5, the second fixing portion includes:

a cavity 31 arranged at one side of the through hole 11, a second air cylinder 27 fixed at the bottom of the cavity 31 and a third air cylinder 28 fixed at the side wall of the cavity 31;

the bottom end of the pressure rod 29 is slidably connected with the cavity 31, the pressure rod 29 is provided with a cutter hole 32, a notch 33 is arranged above the front end of the pressure rod 29, and the output shaft of the third cylinder 28 is fixed at the bottom end of the pressure rod 29;

and the front end of the cutter 30 is positioned in the cutter hole 32, and the output shaft of the second air cylinder 27 is fixed at the rear end of the cutter 30.

In this embodiment, when the bottom end of the sample moves to the bottom of the through hole 10, the third cylinder 28 is started to drive the compression bar 29 to extend into the through hole 11, and after the sample in the through hole 11 is fixed, the second cylinder 27 is started to drive the cutter 30 to cut off the sample, after the completion, the second cylinder 27 is restored to the original position, and due to the existence of the notch 33, the cut sample can be conveniently separated from the through hole 11 under the operation of an operator, and the sample in the through hole 11 will be fixed.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; combinations of features of the above embodiments or in different embodiments are also possible within the spirit of the present disclosure, steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments described above which are not provided in detail for the sake of brevity.

The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.

Claims

1. A tensile testing device for rubber products, comprising:

the first fixing part is used for fixing the bottom of the sample when the bottom of the sample moves to the bottom of the perforation, and the second fixing part is used for fixing the sample in the perforation and cutting off the sample;

the first fixing part comprises a fixing component arranged on the vertical rod and a driving component arranged on the lower plate, and when the bottom of the sample moves to the bottom of the perforation, the driving component enables the fixing component corresponding to the perforation to fix the bottom of the sample;

the fixing assembly includes:

a linkage block with a first rectangular hole at one end;

the screw rod and the rectangular block fixed at the top of the screw rod are provided with screw holes communicated with the through holes on the side surface of the vertical rod, the screw rod is in threaded connection with the screw holes, and the rectangular block is matched with the first rectangular hole and is positioned in the first rectangular hole;

the drive assembly includes:

the electromagnet is fixed in the end face holes;

2. The tensile testing device for rubber products according to claim 1, comprising a supporting rod fixed on the outer side surface of the linkage block, wherein one end of the supporting rod is a T-shaped end, and the end is rotationally connected with a rotating groove arranged on the side surface of the vertical rod.

3. The tensile testing device for rubber products according to claim 1, wherein said second fixing portion comprises: