CN219224394U

CN219224394U - Tension testing machine

Info

Publication number: CN219224394U
Application number: CN202223179237.XU
Authority: CN
Inventors: 黄河清; 周旋
Original assignee: Shanghai Jiubin Instrument Co ltd
Current assignee: Shanghai Jiubin Instrument Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-20
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the technical field of plastic film tensile test equipment, in particular to a tensile test machine, which comprises a test box and an instrument box fixedly connected with one side surface of the test box, wherein a tensile detection sensor is fixedly connected to the top of an inner cavity of the test box, a stress plate is fixedly connected to the bottom of the tensile detection sensor, a first supporting plate is fixedly connected to the surface of the bottom of the stress plate, a tensile electric push rod is fixedly connected to the surface of the bottom of the test box in a penetrating manner, a second supporting plate is fixedly connected to the top of the tensile electric push rod in a penetrating manner, one end of the second supporting plate is fixedly connected with an infrared emitter in a penetrating manner, and tensile data of plastic films of different materials in the same deformation length can be accurately measured through the arrangement of a servo motor, a threaded column, a sliding block, a sliding plate, a first infrared receiver, a second infrared receiver and an infrared emitter.

Description

Tension testing machine

Technical Field

The utility model relates to a tensile testing machine, and belongs to the technical field of plastic film tensile testing equipment.

Background

The plastic film is more in composition materials, comprises polyvinyl chloride, polyethylene, polypropylene, polystyrene, other resins and other materials, is widely applied to food packaging, brings great convenience to people's life, and in the process of producing the plastic film, the plastic film needs to be subjected to tensile property detection, and the plastic film is judged to be subjected to great force when being deformed and communicated in size, so that the tensile property of the plastic film can be clearly known, and the phenomena of breakage, tearing and the like in the process of secondary processing application are prevented, namely a tensile testing machine is needed to detect the tensile property of the plastic film.

The prior art has the following problems:

the existing tensile testing machine is not scientific enough when testing plastic films, and can not accurately measure the tensile force required to be received when the plastic films made of different materials are subjected to the communication deformation stretching length, and the plastic films can not be effectively guaranteed to be clamped and tiled when being clamped and limited, so that popularization and use are not facilitated.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a tensile testing machine.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a tensile testing machine, includes test box and test box one side fixed surface's instrument box, test box inner chamber top fixedly connected with tensile detection sensor, tensile detection sensor bottom fixedly connected with atress board, atress board bottom surface fixedly connected with first backup pad, test box bottom surface runs through fixedly connected with tensile electric putter, tensile electric putter top fixedly connected with second backup pad, second backup pad one end runs through fixedly connected with infrared emitter, second backup pad front side surface with first backup pad front side surface all runs through fixedly connected with and presss from both sides tight electric putter, press from both sides tight electric putter telescopic end fixedly connected with first clamping plate, first clamping plate rear side is equipped with the second clamping plate, second clamping plate front side surface fixedly connected with stress-sensitive adhesive pressure-sensitive adhesive sensor, test box one side surface fixedly connected with upper and lower box, upper and lower box top surface fixedly connected with servo motor, upper and lower box one side surface is equipped with the sliding plate, sliding plate one side fixedly connected with infrared receiver is equipped with first infrared receiver down.

Preferably, the outer diameter of the first support plate is completely consistent with that of the second support plate, and the vertical section of the first support plate and the vertical section of the second support plate are of -shaped structures.

Preferably, the inner cavities of the upper box and the lower box are provided with threaded columns, the top ends of the threaded columns are fixedly connected with the output end of the servo motor, and the bottom ends of the threaded columns are movably connected with the bottom surfaces of the inner cavities of the upper box and the lower box through bearings.

Preferably, a sliding block is fixedly connected to one side surface of the sliding plate, and a sliding groove matched with the sliding block in structural size is formed in the side surface of the upper box and the lower box, which is close to the sliding plate.

Preferably, the outer diameter of the first clamping plate is completely consistent with that of the second clamping plate, and the surface of one side of the first clamping plate, which is close to the second clamping plate, is coated with an anti-slip layer.

Preferably, the first infrared receiver is completely consistent with the second infrared receiver, and one end of the second infrared receiver is fixedly connected to one side surface of the sliding plate.

Preferably, the inner cavity of the instrument box is provided with a PLC controller, the information output end of the infrared transmitter, the information output end of the first infrared receiver, the information output end of the second infrared receiver and the information output end of the pressure detection sensor are electrically connected with the information input end of the PLC controller through wires, and the information input end of the clamping electric push rod, the information input end of the stretching electric push rod and the information input end of the servo motor are electrically connected with the information output end of the PLC controller through wires.

The beneficial effects of the utility model are as follows:

1. through having set up servo motor, the screw thread post, the slider, the sliding plate, first infrared receiver, second infrared receiver and infrared transmitter, tensile force data when tensile test is carried out to the plastic film of different materials when the length that deforms is the same can more accurate survey, during the use, it is spacing with plastic film between first backup pad and second backup pad, and plastic film is in the state of being in the stretching at this moment, the pulling force value is zero, then control servo motor drives the rotation of screw thread post, slider and sliding plate whole are gone on upper and lower box one side surface and are slided from top to bottom this moment, until first infrared receiver aligns with infrared transmitter, form an infrared correlation sensor whole this moment, then start tensile electric putter, plastic film can take place to elongate this moment, the second backup pad is the decline motion, this moment, the real-time response pulling force information of pulling force detection sensor forms a new infrared correlation sensor when second infrared receiver aligns with infrared transmitter, this infrared correlation sensor transmits information to the controller in the processing after the slider is whole at this moment, the tensile force detection device can the expansion and contraction and expansion of the pulling force of the device can show the tensile force of the PLC on the side of the tensile force detector.

2. Through being equipped with pressure detection sensor, the pressure sensitive adhesive layer, press from both sides tight electric putter, first clamping plate and second clamping plate, can carry out the exhibition to plastic film and press from both sides tight, prevent that plastic film from appearing droing when carrying out tensile test, during the use, with plastic film tiling on the pressure sensitive adhesive layer, then control the stretching out of pressing from both sides tight electric putter, press from both sides tight electric putter and drive first clamping plate to second clamping plate direction motion this moment, press from both sides tight plastic film, pressure detection sensor response pressure information passes through electric wire electric transmission to the PLC controller in the processing analysis after this moment, the PLC controller is according to the stop stretching out of the intelligent control clamp electric putter of pressure information, better press from both sides tight spacing with plastic film.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view showing the structure of the bottom surface of the first support plate according to the present utility model;

FIG. 3 is a schematic view showing the internal detail of the upper and lower cases according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the cartridge according to the present utility model;

fig. 5 is a schematic diagram of a partial structure information flow in the present utility model.

In the figure: 1. a test chamber; 2. an instrument box; 3. a tension detecting sensor; 4. a force-bearing plate; 5. a first support plate; 6. stretching the electric push rod; 7. a second support plate; 8. an infrared emitter; 9. clamping the electric push rod; 10. a first clamping plate; 11. a second clamping plate; 12. a pressure-sensitive adhesive layer; 13. a pressure detection sensor; 14. an upper box and a lower box; 15. a servo motor; 16. a sliding plate; 17. a first infrared receiver; 18. a second infrared receiver; 19. a threaded column; 20. a slide block; 21. and a PLC controller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a tensile testing machine, instrument box 2 including test box 1 and test box 1 one side fixed surface connection, test box 1 inner chamber top fixedly connected with tensile detection sensor 3, tensile detection sensor 3 bottom fixedly connected with atress board 4, atress board 4 bottom fixed surface is connected with first backup pad 5, test box 1 bottom surface runs through fixedly connected with tensile electric putter 6, tensile electric putter 6 top fixedly connected with second backup pad 7, second backup pad 7 one end runs through fixedly connected with infrared emitter 8, second backup pad 7 front side surface and first backup pad 5 front side surface all run through fixedly connected with and press from both sides tight electric putter 9, press from both sides tight electric putter 9 telescopic end fixedly connected with first clamping plate 10, first clamping plate 10 rear side is equipped with second clamping plate 11, second clamping plate 11 front side surface fixedly connected with layer 12, second clamping plate 11 rear side surface fixedly connected with pressure sensitive adhesive sensor 13, test box 1 one side surface fixedly connected with upper and lower box 14, upper and lower box 14 top fixed surface is connected with servo motor 15, upper and lower box 14 one side surface is equipped with sliding plate 16, sliding plate 16 one side fixedly connected with infrared receiver 17 below the first infrared receiver 17.

When the plastic film detection device is used, firstly, a plastic film to be detected is cut and taken down, then one end of the plastic film is flatly paved on the pressure-sensitive adhesive layer 12 on the second clamping plate 11 at the bottom of the first supporting plate 5, and the other end of the plastic film is flatly paved on the pressure-sensitive adhesive layer 12 on the second clamping plate 11 on the top surface of the second supporting plate 7.

As a preferable technical scheme of the utility model, the outer diameter of the first supporting plate 5 is completely consistent with that of the second supporting plate 7, and the vertical section of the first supporting plate 5 and the vertical section of the second supporting plate 7 are of -shaped structures; it is better to ensure that the ends of the pressure detecting sensors 13 remote from the second clamping plate 11 are fixed to the rear side surface of the first support plate 5 and the rear side surface of the second support plate 7, respectively.

As a preferable technical scheme of the utility model, the inner cavity of the upper and lower boxes 14 is provided with a threaded column 19, the top end of the threaded column 19 is fixedly connected with the output end of the servo motor 15, and the bottom end of the threaded column 19 is movably connected with the bottom surface of the inner cavity of the upper and lower boxes 14 through a bearing; the surface of one side of the sliding plate 16 is fixedly connected with a sliding block 20, and the surface of one side of the upper and lower boxes 14, which is close to the sliding plate 16, is provided with a sliding groove matched with the structural size of the sliding block 20; the sliding block 20 is sleeved on the outer side surface of the threaded column 19, and when the servo motor 15 drives the threaded column 19 to rotate, the sliding block 20 and the sliding plate 16 can slide up and down integrally.

As a preferable technical scheme of the utility model, the outer diameter of the first clamping plate 10 is completely consistent with that of the second clamping plate 11, and the surface of one side of the first clamping plate 10, which is close to the second clamping plate 11, is coated with an anti-slip layer; the anti-slip layer provides larger friction force and prevents the plastic film from falling off.

As a preferable technical scheme of the utility model, the first infrared receiver 17 is completely consistent with the second infrared receiver 18, and one end of the second infrared receiver 18 is fixedly connected to one side surface of the sliding plate 16; the second infrared receiver 18 is defined in position.

Example 2

Referring to fig. 4 and 5, the difference between the present embodiment and embodiment 1 is that:

the inner cavity of the instrument box 2 is provided with a PLC (programmable logic controller) 21, an information output end of the infrared transmitter 8, an information output end of the first infrared receiver 17, an information output end of the second infrared receiver 18 and an information output end of the pressure detection sensor 13 are electrically connected with an information input end of the PLC 21 through wires, and an information input end of the clamping electric push rod 9, an information input end of the stretching electric push rod 6 and an information input end of the servo motor 15 are electrically connected with an information output end of the PLC 21 through wires; better facilitates the circulation of information, and intelligently controls the start and the close of the clamping electric push rod 9 and the stretching electric push rod 6.

All electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric parts, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted.

It should be noted that: the infrared emitter 8 in combination with the first infrared receiver 17 or the second infrared receiver 18 may form a known infrared correlation sensor; the electrical connection between the electrical element and the PLC controller 21 in the present application is a known technology, and the electrical element can be controlled to be turned on or off after the information is transmitted to the PLC controller 21 through the operation button on the front surface of the instrument box 2 for processing and analysis; the tension detection sensor 3 is a known component in the prior art, the tension detection sensor 3 transmits tension information to the PLC 21 in real time through wires for processing and analysis, and the PLC 21 displays the tension information on a display screen on the front surface of the instrument box 2, so that the tension is clearly observed by test personnel.

The working principle and the using flow of the utility model are as follows: after the plastic film is flatly paved on the pressure sensitive adhesive layer 12, the stretching of the clamping electric push rod 9 is controlled, at the moment, the clamping electric push rod 9 drives the first clamping plate 10 to move towards the second clamping plate 11, the plastic film is clamped, at the moment, the pressure information sensed by the pressure detection sensor 13 is transmitted to the PLC 21 through an electric wire for processing and analysis, the PLC 21 intelligently controls the stopping stretching of the clamping electric push rod 9 according to the pressure information, the plastic film is better clamped and limited, further, the plastic film is limited between the first supporting plate 5 and the second supporting plate 7, at the moment, the plastic film is in a straight state, the tension value is zero, then the servo motor 15 is controlled to drive the threaded column 19 to rotate, at the moment, the sliding block 20 and the sliding plate 16 integrally slide up and down on one side surface of the upper box 14 and the lower box 14, until the first infrared receiver 17 is aligned with the infrared emitter 8, an infrared correlation sensor is formed at this time, then the stretching electric push rod 6 is started, at this time, the plastic film is deformed and stretched, namely the second support plate 7 is in descending motion, at this time, the tension detection sensor 3 senses real-time tension information, when the second infrared receiver 18 is aligned with the infrared emitter 8, a new infrared correlation sensor is formed at this time, after the information is transmitted to the PLC controller 21 for processing and analysis, the PLC controller 21 can intelligently control the stretching movement of the stretching electric push rod 6, and the tension value sensed by the tension detection sensor 3 is reflected on the display screen at the front side of the instrument box 2, so that the tension test on the plastic film is completed.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a tensile testing machine, includes test box (1) and test box (1) one side surface fixed connection's instrument box (2), its characterized in that: the utility model discloses a test box, including test box (1), first backup pad (10) and servo box (14) are equipped with, test box (1), inner chamber top fixedly connected with pulling force detection sensor (3), pulling force detection sensor (3) bottom fixedly connected with atress board (4), atress board (4) bottom fixedly connected with first backup pad (5), test box (1) bottom surface runs through fixedly connected with tensile electric putter (6), tensile electric putter (6) top fixedly connected with second backup pad (7), second backup pad (7) one end runs through fixedly connected with infrared emitter (8), second backup pad (7) front side surface with first backup pad (5) front side surface all runs through fixedly connected with and presss from both sides tight electric putter (9), press from both sides tight electric putter (9) telescopic end fixedly connected with first clamp plate (10), first clamp plate (10) rear side is equipped with second clamp plate (11), second clamp plate (11) front side fixedly connected with pressure sensitive adhesive layer (12), second clamp plate (11) rear side fixedly connected with pressure detection sensor (13), one side (1) surface fixedly connected with infrared emitter (8), one side (14) are equipped with servo box (14) under the upper and lower surface of box (14), the sliding plate (16) is fixedly connected with a first infrared receiver (17) on one side surface, and a second infrared receiver (18) is arranged below the first infrared receiver (17).

2. A tensile testing machine according to claim 1, wherein: the outer diameter of the first supporting plate (5) is completely consistent with that of the second supporting plate (7), and the vertical section of the first supporting plate (5) and the vertical section of the second supporting plate (7) are of -shaped structures.

3. A tensile testing machine according to claim 1, wherein: the inner cavity of the upper box (14) and the lower box (14) are provided with threaded columns (19), the top ends of the threaded columns (19) are fixedly connected with the output end of the servo motor (15), and the bottom ends of the threaded columns (19) are movably connected with the bottom surfaces of the inner cavity of the upper box (14) and the lower box through bearings.

4. A tensile testing machine according to claim 1, wherein: the sliding plate (16) is fixedly connected with a sliding block (20) on one side surface, and a sliding groove matched with the sliding block (20) in structural size is formed in the surface, close to the sliding plate (16), of the upper box (14).

5. A tensile testing machine according to claim 1, wherein: the outer diameter of the first clamping plate (10) is completely consistent with that of the second clamping plate (11), and an anti-slip layer is coated on the surface of one side of the first clamping plate (10) close to the second clamping plate (11).

6. A tensile testing machine according to claim 1, wherein: the first infrared receiver (17) is completely consistent with the second infrared receiver (18), and one end of the second infrared receiver (18) is fixedly connected to one side surface of the sliding plate (16).

7. A tensile testing machine according to claim 1, wherein: the inner cavity of the instrument box (2) is provided with a PLC (programmable logic controller) (21), the information output end of the infrared transmitter (8) is provided with the information output end of the first infrared receiver (17), the information output end of the second infrared receiver (18) is provided with the information output end of the pressure detection sensor (13) which is electrically connected with the information input end of the PLC (21) through an electric wire, and the information input end of the clamping electric push rod (9) is provided with the information input end of the stretching electric push rod (6) and the information input end of the servo motor (15) which are electrically connected with the information output end of the PLC (21) through electric wires.