CN115950575A - Torque tester and testing method thereof - Google Patents

Abstract

The invention relates to the technical field of detection equipment, and discloses a torque tester and a test method thereof, wherein the torque tester comprises: the torque sensor is arranged on the base; the sample platform is arranged on the torque sensor, and a clamping assembly for clamping the bottle body is arranged on the sample platform; the torsion cover assembly is arranged above the sample platform at intervals and comprises an infrared sensor and a clamp for twisting a bottle cap, and the infrared sensor is electrically connected with the clamp; the lifting mechanism is arranged on one side of the base and connected with the twisting cover assembly to drive the twisting cover assembly to move up and down in a reciprocating manner. The invention does not need to manually clamp the bottle body or twist the bottle cap, improves the automation degree, can repeat the test, reduces the interference of human factors on the test result, reduces the deviation of the test result and improves the test precision.

Description

Torque tester and testing method thereof

Technical Field

The invention relates to the technical field of detection equipment, in particular to a torque tester and a testing method thereof.

Background

In the process of filling the material into the bottle body, the bottle cap and the bottle body are matched properly, so that the difficulty in opening and closing or locking the bottle cap caused by overlarge torque is avoided, and the influence on the product quality caused by the reduction of the tightness of the bottle cap and the bottle body due to the overlarge torque is avoided. Therefore, it is necessary to perform a torque test on the bottle cap and bottle body. At present, sample bottle caps are generally unscrewed by hands, but different testers have different hand feelings, so that the test results have deviation, the test repeatability is checked, and the multiple tests cannot be carried out for a long time.

Disclosure of Invention

In view of the above problems, the present invention aims to provide a torque meter and a testing method thereof, so as to solve the problems that in the prior art, when a sample bottle cap is unscrewed by a hand to test a torque, a test result has deviation, test repeatability is checked, and multiple tests cannot be performed for a long time.

In order to achieve the purpose, the invention adopts the following technical scheme:

one aspect of the present invention provides a torque meter comprising:

the base is provided with a torque sensor;

the sample platform is arranged on the torque sensor, and a clamping assembly for clamping the bottle body is arranged on the sample platform;

the torsion cover assembly is arranged above the sample platform at intervals and comprises an infrared sensor and a clamp for twisting a bottle cap, and the infrared sensor is electrically connected with the clamp;

the lifting mechanism is arranged on one side of the base and connected with the twisting cover component so as to drive the twisting cover component to move up and down in a reciprocating manner.

Preferably, the clamping assembly comprises a plurality of guide sliders and a plurality of clamping columns, the guide sliders are slidably mounted on the sample platform, at least one clamping column is mounted on the guide sliders, and each clamping column is vertically arranged.

Preferably, the clamping assembly further comprises a first lead screw, the first lead screw is rotatably installed on the sample platform, the rotating axis of the first lead screw is parallel to the sample platform, one end of the first lead screw is connected with a hand wheel, two guide sliding blocks are assembled on the first lead screw in a threaded manner, and two clamping columns are installed on the guide sliding blocks at intervals.

Preferably, one side of base is provided with the stand, the inside cavity of stand, one side of stand is provided with the guide way, elevating system sets up the inside of stand, turn round one side of lid subassembly pass the guide way with elevating system is connected.

Preferably, the lifting mechanism comprises a motor and a second screw rod, the motor is connected with the second screw rod, and the twist cap assembly is assembled on the second screw rod in a threaded mode.

Preferably, the torsion cover assembly further comprises a connecting plate, the clamp is mounted on one side of the connecting plate, and the other side of the connecting plate is connected with the lifting mechanism.

Preferably, turn round lid subassembly still includes the protection casing, the bottom opening of protection casing, the protection casing cover is established infrared sensor on the holder, the connecting plate passes the protection casing with elevating system connects.

Preferably, the base includes bottom plate and shell, the shell cover is established on the bottom plate, the sample platform set up in the outside of shell, torque sensor installs on the bottom plate, torque sensor is last to install the connecting piece, the connecting piece passes the shell with the sample platform is connected.

Preferably, a display is fixed to the housing.

Another aspect of the present invention provides a method for testing a torque meter as described above, comprising the steps of:

placing the bottle body to be detected on a sample platform, and clamping the bottle body to be detected through a clamping assembly;

the torsion cover assembly is driven to move downwards by the lifting mechanism, and meanwhile, the position of a bottle cap on the bottle body to be detected is monitored by the infrared sensor;

the clamp holder clamps the bottle cap and twists the bottle cap according to the monitoring result of the infrared sensor, so that the bottle cap is separated from the bottle body, and meanwhile, torque data are monitored through the torque sensor.

Compared with the prior art, the torque tester and the test method thereof have the beneficial effects that:

according to the torque tester and the testing method thereof, the clamping assembly is arranged on the sample platform to clamp the bottle body, and the lifting mechanism drives the torsion cover assembly to move up and down; in the cover subassembly downstream process of turning round, bottle lid position on the bottle is monitored through infrared sensor, the holder carries out centre gripping and wrench movement to the bottle lid according to infrared sensor's monitoring result, turn round the bottle lid from the bottle, at the in-process of wrench movement bottle lid, measure the moment of torsion through torque sensor, need not artifical centre gripping bottle or wrench movement bottle lid, improve degree of automation, repeated test, reduce the test result and receive human factor's interference, reduce the deviation of test result, improve the measuring accuracy.

Drawings

FIG. 1 is a schematic perspective view of a torque meter according to an embodiment of the present invention;

FIG. 2 is a schematic side view of a torque meter according to an embodiment of the present invention

FIG. 3 is a schematic front view of a torque meter according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 5 is a schematic view of the torque meter of the present invention;

in the figure, 1, a base; 11. a display; 2. a torque sensor; 21. a connecting member; 3. a sample platform; 4. a clamping assembly; 41. a first lead screw; 42. a guide slider; 43. clamping the column; 44. a hand wheel; 5. twisting the cover assembly; 51. a connecting plate; 6. a lifting mechanism; 61. a motor; 62. a second lead screw; 7. a column; 8. a protective cover; 81. a first cover body; 82. a second cover body; 91. a bottle body; 92. and (7) a bottle cap.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, a torque measuring instrument according to an embodiment of the present invention includes a base 1, a torque sensor 2, a sample platform 3, a torsion cover assembly 5, and a lifting mechanism 6, wherein the torque sensor 2 is mounted on the base 1 for measuring torque; the sample platform 3 is coaxially arranged on the torque sensor 2, and a clamping component 4 for clamping the bottle body 91 is arranged on the sample platform 3; the cover twisting component 5 is arranged above the sample platform 3 at intervals, the cover twisting component 5 comprises an infrared sensor and a clamp holder used for twisting the bottle cap 92, the infrared sensor is electrically connected with the clamp holder, the infrared sensor is used for monitoring the position of the bottle cap 92 on the bottle body 91, the clamp holder clamps and twists the bottle cap 92 according to the monitoring result of the infrared sensor, and the clamp holder can be a manipulator or a pneumatic clamp and the like capable of realizing the clamping and twisting functions; the lifting mechanism 6 is arranged on one side of the base 1, and the lifting mechanism 6 is connected with the twisting cover component 5 to drive the twisting cover component 5 to move up and down in a reciprocating manner. When the lifting mechanism 6 drives the cap twisting component 5 to move downwards, the cap twisting component 5 is close to the bottle body 91, the infrared sensor monitors the position of the bottle cap 92, the holder twists the bottle cap 92 until the bottle cap 92 is completely opened, and meanwhile, the torque sensor 2 measures the torque; after the test is finished, the lifting mechanism 6 drives the cap twisting assembly 5 to move upwards, and the cap twisting assembly 5 is far away from the bottle body 91 and is reset to the original position.

The invention can realize the automatic measurement of the torque of the bottle cap 92 without manually clamping the bottle body 91 or twisting the bottle cap 92, improves the automation degree and the test stability, can repeat the test, reduces the interference of human factors on the test result, reduces the deviation of the test result and improves the test precision.

In this embodiment, the clamping assembly 4 includes a plurality of guiding sliders 42 and a plurality of clamping posts 43, the guiding sliders 42 are slidably mounted on the sample platform 3, at least one clamping post 43 is mounted on the guiding sliders 42, and each clamping post 43 is vertically disposed. By adjusting the position of the guide slider 42 on the sample stage 3, the relative position of each of the pinching legs 43 is adjusted so that the plurality of pinching legs 43 are pinched to the outer peripheral side of the vial 91. One or two clamping columns 43 can be installed on each guide sliding block 42, preferably, two guide sliding blocks 42 are provided, two clamping columns 43 are installed on each guide sliding block 42 at intervals, and the clamping columns 43 are detachably connected with the guide sliding blocks 42, so that the positions of the clamping columns 43 on the guide sliding blocks 42 can be conveniently adjusted.

As shown in fig. 4, the clamping assembly 4 further includes a first screw rod 41, the first screw rod 41 is rotatably mounted on the sample platform 3, a rotation axis of the first screw rod 41 is parallel to the sample platform 3, one end of the first screw rod 41 is connected to a hand wheel 44, two guide sliders 42 are screwed on the first screw rod 41, and two clamping columns 43 are mounted on the guide sliders 42 at intervals. And the hand wheel 44 is rotated, the guide slide block 42 moves along the screw rod, the position of the guide slide block 42 is adjusted, and the position of the clamping column 43 is adjusted. The first lead screw 41 is a bidirectional lead screw, and the thread directions of the first lead screw 41 at the positions where the two guide sliders 42 are installed are opposite, so that when the first lead screw 41 is rotated, the moving directions of the two guide sliders 42 are opposite, and the interval between the two guide sliders 42 is adjusted. The guide sliding block 42 is cuboid-shaped, and the guide sliding block 42 is provided with a plurality of clamping column 43 installation positions, so that the clamping column 43 installation positions of the clamping columns 43 can be determined according to the size of the bottle body 91, and after the guide sliding block 42 slides, the four clamping columns 43 are arranged in the periphery of the bottle body 91 in a quadrilateral mode, wherein the clamping column 43 installation positions are through holes formed in the guide sliding block 42, and the axes of the through holes are vertically arranged. Furthermore, a groove is formed in the sample platform 3, the first screw rod 41 is rotatably installed in the groove, a downward convex bump is arranged on the guide sliding block 42, a threaded hole is formed in the convex bump, and the guide sliding block 42 is in threaded connection with the first screw rod 41 through the convex bump. The sample platform 3 is circular, the first screw rod 41 is horizontally arranged on the sample platform 3, and the central axis of the first screw rod 41 and the circle center of the sample platform 3 are arranged in a collinear way.

Bearings can be arranged at two ends of the groove of the sample platform 3, two ends of the first screw rod 41 are respectively and rotatably arranged in the bearings, and one end of the first screw rod penetrates through the bearings to be connected with the hand wheel 44. Alternatively, the first lead screw 41 may be connected to a driving motor, and the driving motor drives the first lead screw 41 to rotate.

In this embodiment, as shown in fig. 1 and 2, an upright post 7 is disposed on one side of the base 1, the interior of the upright post 7 is hollow, a guide groove is disposed on one side of the upright post 7, the lifting mechanism 6 is disposed inside the upright post 7, and one side of the twist cover assembly 5 passes through the guide groove and is connected with the lifting mechanism 6. The upright post 7 can protect the lifting mechanism 6, and the guide groove can guide the lifting of the torsion cover component 5.

The lifting mechanism 6 comprises a motor 61 and a second lead screw 62, the motor 61 is connected with the second lead screw 62, and the twist cap assembly 5 is assembled on the second lead screw 62 in a threaded mode. The motor 61 is installed on the bottom plate of the upright post 7, the motor 61 drives the second screw rod 62 to rotate, and the twist cover assembly 5 moves up and down along the second screw rod 62. Further, the torque measuring instrument further comprises a controller, the motor 61 and the torque sensor 2 are respectively electrically connected with the controller, the torque sensor 2 transmits a detection signal to the controller, and the controller controls the motor 61 to work according to the detection signal of the torque sensor 2, so that the motor 61 drives the torsion cover assembly 5 to move upwards for resetting.

Further, the twist cap assembly 5 further comprises a connecting plate 51, the clamper is mounted on one side of the connecting plate 51, and the other side of the connecting plate 51 is connected with the lifting mechanism 6. The connecting plate 51 is horizontally arranged, one end of the connecting plate 51 is screwed on the second lead screw 62, and the holder of the twist cap assembly 5 is installed at the other end of the connecting plate 51.

In this embodiment, the torsion cover assembly 5 further includes a protective cover 8, the bottom of the protective cover 8 is open, the protective cover 8 covers the infrared sensor and the holder, and the connecting plate 51 passes through the protective cover 8 and is connected with the lifting mechanism 6. The protective cover 8 can play a role in protecting the infrared sensor and the clamp holder, prevent external dust pollution and reduce potential safety hazards in the test process.

Alternatively, the protective cover 8 includes a first cover 81 and a second cover 82, the first cover 81 is fixed to the connecting plate 51, the second cover 82 is mounted on the lower side of the first cover 81, and the second cover 82 surrounds the clamp and the outer periphery of the infrared sensor. The first cover 81 and the second cover 82 are both cylindrical, the first cover 81 has a decorative effect and attractive appearance, and can be used as an installation foundation of the second cover 82 to improve the installation stability of the second cover 82.

In this embodiment, base 1 includes bottom plate and shell, the shell cover is established on the bottom plate, sample platform 3 set up in the outside of shell, torque sensor 2 sets up in the inside of shell, torque sensor 2 installs on the bottom plate, torque sensor 2 is last to install connecting piece 21, connecting piece 21 passes the shell with sample platform 3 is connected.

Further, a display 11 is fixed on the housing for visually displaying the result of the test torque.

The working process of the invention is as follows:

the sample is placed on the sample platform 3, and the hand wheel 44 is swung clockwise, so that the guide slide block 42 drives the clamping column 43 to move towards the center to clamp the sample. The motor 61 drives the second screw rod 62 to operate, the cover twisting component 5 connected with the second screw rod 62 vertically moves downwards to the position where the clamp is aligned with the bottle cap 92 of the sample, the infrared sensor monitors the position of the bottle cap 92, the clamp twists off the sample bottle cap 92 until the bottle cap 92 is completely opened, the torque is measured through the torque sensor 2, and the torque data is displayed through the display 11. After the test is finished, the motor 61 drives the second screw rod 62 to operate, and the torsion cover assembly 5 moves upwards to reset to the original position.

The invention relates to a test method of a torque tester, which comprises the following steps:

placing the bottle body to be detected on a sample platform, and clamping the bottle body to be detected through a clamping assembly;

the torsion cover assembly is driven to move downwards by the lifting mechanism, and meanwhile, the position of a bottle cap on the bottle body to be detected is monitored by the infrared sensor;

the clamp holder clamps the bottle cap and twists the bottle cap according to the monitoring result of the infrared sensor, so that the bottle cap is separated from the bottle body, and meanwhile, torque data are monitored through the torque sensor.

After the bottle cap is separated from the bottle body, the torsion cover assembly is driven by the lifting mechanism to move upwards to be far away from the bottle body.

After the bottle body to be detected is placed on the sample platform, the positions of the clamping columns are adjusted by shaking the hand wheels, so that the clamping columns move towards the center to clamp the bottle body.

According to the invention, through linkage control of the clamp holder, the infrared sensor and the lifting mechanism, automatic separation of the bottle cap and the bottle body is realized, torque data can be monitored without manually aligning the position of the clamp holder and the position of the bottle cap or manually twisting the bottle cap, a torque test result is obtained, and the automation degree is higher.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A torque meter, comprising:

the torque sensor is arranged on the base;

the sample platform is arranged on the torque sensor, and a clamping assembly for clamping the bottle body is arranged on the sample platform;

the torsion cover assembly is arranged above the sample platform at intervals and comprises an infrared sensor and a clamp for twisting a bottle cap, and the infrared sensor is electrically connected with the clamp;

the lifting mechanism is arranged on one side of the base and connected with the twisting cover component so as to drive the twisting cover component to move up and down in a reciprocating manner.

2. The torque meter of claim 1, wherein the clamping assembly comprises a plurality of guide slides and a plurality of clamping posts, the guide slides slidably mounted on the sample platform, at least one of the clamping posts mounted on the guide slides, and each of the clamping posts being vertically disposed.

3. The torque measuring instrument according to claim 2, wherein the clamping assembly further comprises a first screw rod, the first screw rod is rotatably mounted on the sample platform, a rotation axis of the first screw rod is parallel to the sample platform, one end of the first screw rod is connected with a hand wheel, two guide sliding blocks are assembled on the first screw rod in a threaded manner, and two clamping columns are mounted on the guide sliding blocks at intervals.

4. The torque meter according to claim 1, wherein a column is disposed on one side of the base, the column is hollow, a guide slot is disposed on one side of the column, the lifting mechanism is disposed inside the column, and one side of the torsion cover assembly passes through the guide slot and is connected to the lifting mechanism.

5. The torque meter of claim 4, wherein the lift mechanism includes a motor and a second lead screw, the motor being coupled to the second lead screw, the twist cap assembly being threadably mounted on the second lead screw.

6. The torquemeter of claim 4 or 5, wherein the twist cap assembly further comprises a connecting plate, the holder being mounted on one side of the connecting plate, the other side of the connecting plate being connected to the lifting mechanism.

7. The torque meter of claim 6, wherein the torsion cover assembly further comprises a protective cover, the bottom of the protective cover is open, the protective cover covers the infrared sensor and the holder, and the connecting plate passes through the protective cover and is connected with the lifting mechanism.

8. The torque meter of claim 1, wherein the base includes a bottom plate and a housing, the housing is covered on the bottom plate, the sample platform is disposed outside the housing, the torque sensor is mounted on the bottom plate, and the torque sensor is mounted with a connector that passes through the housing and connects to the sample platform.

9. The torque meter of claim 8, wherein a display is secured to the housing.

10. A method of testing a torquemeter according to any one of claims 1-9, comprising the steps of:

placing the bottle body to be detected on a sample platform, and clamping the bottle body to be detected through a clamping assembly;

the torsion cover component is driven to move downwards by the lifting mechanism, and meanwhile, the position of a bottle cap on the bottle body to be detected is monitored by the infrared sensor;

the clamp holder clamps the bottle cap and twists the bottle cap according to the monitoring result of the infrared sensor, so that the bottle cap is separated from the bottle body, and meanwhile, torque data are monitored through the torque sensor.

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