High-precision friction coefficient instrument for packaging bag inspection

Abstract

The utility model relates to the technical field of packaging bag production, in particular to a high-precision friction coefficient meter for packaging bag inspection, which comprises a friction coefficient meter body and a test slider, a first clamping plate for clamping is mounted on the friction coefficient meter body, threaded rods are symmetrically and rotatably mounted on the friction coefficient meter body, and a second clamping plate for clamping is mounted on the test slider. A motor used for driving is fixedly installed on the friction coefficient instrument body, a gear transmission set is installed between the motor and the threaded rod, a sliding frame used for sliding is installed on the threaded rod in a threaded mode, a lifting frame used for lifting is installed on the sliding frame in a sliding mode, and a roller used for flattening is rotatably installed on the lifting frame. A first spring used for providing elastic force is installed between the roller and the lifting frame. The roller is in contact with the packaging bag all the time under the action of the elastic force of the first spring, the packaging bag can be smoothed, the uniformity and stability of the contact area during testing are improved, and the effect of reducing the measurement error is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of packaging bag, especially a high-precision friction coefficient appearance of packaging bag inspection. BACKGROUND

[0002] In the modern packaging industry, the quality and performance of packaging bags play a crucial role in the protection, storage, transportation and sale of products. Among them, the friction coefficient of packaging bags is one of the key indicators for evaluating their performance. In practical applications, high-precision friction coefficient appearance for packaging bag inspection usually requires the following technologies:

[0003] 1. Sensors such as pressure sensors and displacement sensors can accurately measure the pressure and relative displacement between the packaging bag and the contact surface.

[0004] 2. Motion control mechanisms such as electric sliding tables and ball screws ensure smooth and precise control of motion during testing.

[0005] 3. A flat test contact surface ensures that the two packaging bags can be tightly attached.

[0006] Existing Chinese patent: a high-precision friction coefficient appearance for packaging bag inspection, patent number: CN216791984U, including friction coefficient appearance body, the top of the friction coefficient appearance is provided with detection platform, the detection platform is fixedly placed with packaging bag sample, the top of friction coefficient appearance is provided with the movable arm that can slide left and right, the movable arm is provided with detachable sliding block, the lower end surface of sliding block is fixedly placed with packaging bag sample, the sliding block is provided with clamp for clamping and fixing packaging bag sample. The utility model discloses a clamp is arranged on the both sides of sliding block, when using, the clamp is extracted and then fixed in position, then the packaging bag cut is placed at the bottom of sliding block, by rotating the clamp, it can be automatically reset and clamp the packaging bag on the sliding block, the whole operation is simple and fast, convenient for staff operation, and brings great convenience to testing work.

[0007] However, during the implementation of the above technical solution, at least the following technical problems are found: the above-mentioned testing device can only simply clamp the packaging bag during use. If the packaging bag is not completely flattened during testing, the uniformity and stability of the contact area during testing will be reduced, thereby increasing the measurement error. UTILITY MODEL CONTENTS

[0008] The utility model provides a high accuracy friction coefficient appearance of packing bag inspection, solves above -mentioned testing arrangement, only can simply hold packing bag in use, if packing bag is not completely flattened when detecting, will lead to the uniformity and stability of contact area reduce when testing, and then increase the technical problem of measurement error.

[0009] In order to realize above -mentioned purpose, the utility model discloses the following technical schemes to realize:

[0010] A kind of high accuracy friction coefficient appearance of packing bag inspection, including friction coefficient appearance body and test slider, first clamping plate for clamping is installed on friction coefficient appearance body, screw rod is symmetrically rotatably installed on friction coefficient appearance body, motor for driving is fixedly installed on friction coefficient appearance body, gear transmission group is installed between motor and screw rod, sliding frame for sliding is screwedly installed on screw rod, lifting frame for lifting is slidably installed on sliding frame, cylinder for flattening is rotatably installed on lifting frame, first spring for providing elasticity is installed between cylinder and lifting frame.

[0011] Preferably: second clamping plate for clamping is installed on test slider.

[0012] Preferably: push flat slider for spreading is slidably installed on test slider.

[0013] Preferably: second spring for providing elasticity is installed between two push flat sliders.

[0014] Preferably: level gauge for leveling is fixedly installed at the bottom of friction coefficient appearance body.

[0015] Preferably: screw hole for accommodating is formed in the four corners of friction coefficient appearance body.

[0016] Preferably: threaded support leg for leveling is screwedly installed in screw hole.

[0017] Preferably: rubber sheet antiskid pad for antiskid is fixedly installed at the bottom of threaded support leg.

[0018] Compared with prior art, the utility model has the following beneficial effects:

[0019] I, first through the first clamping plate clamping one end of the packaging bag, and then pull up the lifting frame, the lifting frame drives the roller to slide up, and then the motor is started in the positive direction, the motor will drive the two threaded rods to rotate through the gear transmission group, the threaded rod will promote the sliding frame to slide to the first clamping plate end, then release the lifting frame, the lifting frame can make the roller and the packaging bag adhere under the action of the first spring force, then the motor is started in the reverse direction, drives the sliding frame to reset, in this process, the roller is in contact with the packaging bag under the action of the first spring force at all times, which can flatten the packaging bag, improve the uniformity and stability of the contact area during testing, and achieve the effect of reducing measurement error.

[0020] II, whether the friction coefficient instrument body is in a horizontal state is judged through the level, if not in a horizontal state, the lower threaded support leg can be screwed to slide outward, the friction coefficient instrument body reaches the horizontal state, which achieves the effect of leveling and avoiding the test slider on the slope. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following preferred embodiments of the present application are described in detail with the help of the drawings.

[0022] Figure 1 is the friction coefficient instrument body structure of the present application;

[0023] Figure 2 is the threaded rod structure of the present application;

[0024] Figure 3 is the A place of the present application Figure 1 enlarged structure diagram;

[0025] Figure 4 is the test slider section structure of the present application;

[0026] Figure 5 is the threaded support leg structure of the present application.

[0027] Legend: 1, friction coefficient instrument body; 2, test slider; 3, first clamping plate; 4, threaded rod; 5, motor; 6, gear transmission group; 7, sliding frame; 8, lifting frame; 9, roller; 11, first spring; 12, second clamping plate; 13, push flat slider; 14, second spring; 15, level; 16, threaded hole; 17, threaded support leg; 18, rubber sheet anti-skid pad. DETAILED DESCRIPTION

[0028] The embodiment of the application provides a high-precision friction coefficient instrument for packaging bag inspection, effectively solves the technical problem that the above-mentioned inspection device can only simply clamp the packaging bag in use, and if the packaging bag is not completely flattened during detection, the uniformity and stability of the contact area during testing are reduced, and the measurement error is increased, the first clamping plate is used to clamp one end of the packaging bag, the lifting frame is pulled upwards, the lifting frame drives the roller to slide upwards, the motor is started in the forward rotation mode, the motor drives the two threaded rods to rotate through the gear transmission set, the threaded rods drive the sliding frame to slide towards the first clamping plate end, the lifting frame is loosened, the lifting frame is used to make the roller adhere to the packaging bag under the action of the first spring elasticity, the motor is started in the reverse rotation mode, and the sliding frame is reset, in this process, the roller is in contact with the packaging bag under the action of the first spring elasticity, the packaging bag is flattened, the uniformity and stability of the contact area during testing are improved, the measurement error is reduced, the level gauge is used to judge whether the friction coefficient instrument body is in a horizontal state, if not, the threaded support legs at the lower position are twisted to slide outwards, the friction coefficient instrument body is in the horizontal state, leveling can be achieved, and the effect that the test slider is on an inclined surface is avoided.

[0029] Embodiment

[0030] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the technical scheme in the embodiment of the application effectively solves the technical problem that the above-mentioned inspection device can only simply clamp the packaging bag in use, and if the packaging bag is not completely flattened during detection, the uniformity and stability of the contact area during testing are reduced, and the measurement error is increased, and the general idea is as follows:

[0031] In view of the problems in the prior art, the utility model provides a kind of high-precision friction coefficient instrument for packaging bag inspection, including friction coefficient instrument body 1 and test slider 2, first clamping plate 3 for clamping is installed on friction coefficient instrument body 1, screw rod 4 is symmetrically rotatably installed on friction coefficient instrument body 1, motor 5 for driving is fixedly installed on friction coefficient instrument body 1, gear transmission set 6 is installed between motor 5 and screw rod 4, sliding frame 7 for sliding is screwedly installed on screw rod 4.

[0032] Lifting frame 8 for lifting is slidably installed on sliding frame 7, roller 9 for flattening is rotatably installed on lifting frame 8, first spring 11 for providing elasticity is installed between roller 9 and lifting frame 8, second clamping plate 12 for clamping is installed on test slider 2, push flat slider 13 for paving is symmetrically slidably installed on test slider 2.

[0033] The second spring 14 for providing elasticity is installed between the two push flat blocks 13, the level 15 for leveling is fixedly installed at the bottom end of the friction coefficient instrument body 1, the threaded holes 16 for receiving are arranged at the four corners of the friction coefficient instrument body 1, the threaded supporting legs 17 for leveling are screwedly installed in the threaded holes 16, and the rubber sheet anti-skid pads 18 for preventing skidding are fixedly installed at the bottom end of the threaded supporting legs 17.

[0034] The friction coefficient instrument body 1: by pulling the test slider 2, a certain normal force is applied to the packaging bags, so that the two packaging bags slide relative to each other, and the friction coefficient detection is completed;

[0035] The test slider 2: used for pressing the packaging bags on the friction coefficient instrument body 1, used for applying pressure to the packaging bags on the test slider 2 and fixing the packaging bags, so that the packaging bags can be pulled;

[0036] The first clamping plate 3: clamping the packaging bags on the measurement area of the friction coefficient instrument body 1, so that the packaging bags on the friction coefficient instrument body 1 will not slide during the test;

[0037] The threaded rod 4: rotating under the action of the motor 5 and the gear transmission set 6, and since being screwedly connected with the sliding frame 7, the threaded rod 4 can promote the sliding of the sliding frame 7;

[0038] The motor 5: as a driving source, controlling the gear transmission set 6 to perform corresponding transmission through forward and reverse rotation;

[0039] The gear transmission set 6: composed of two pairs of meshing conical gears, two straight tooth gears and a transmission rod, used for transmitting the power of the motor 5 to the threaded rod 4 to realize the transmission function;

[0040] The sliding frame 7: screwedly connected with the threaded rod 4, so that the sliding frame 7 will slide under the action of the threaded rod 4, and cooperate with the lifting frame 8 and the roller 9 to realize the flattening operation of the packaging bags;

[0041] The lifting frame 8: driving the roller 9 to ascend and descend, and cooperating with the first spring 11 to make the roller 9 adhere to the packaging bags;

[0042] The roller 9: moving along with the sliding frame 7, and rolling on the surface of the packaging bags during the movement, used for flattening the packaging bags and ensuring the flatness of the surface of the packaging bags during the test;

[0043] The first spring 11: providing downward elastic force for the sliding frame 7, so that the roller 9 is always in contact with the packaging bags during the working process;

[0044] The second clamping plate 12: clamping the two ends of the packaging bags and fixing the packaging bags on the test slider 2;

[0045] Pushing flat slider 13: under the action of the elasticity of the second spring 14, it slides to both ends, pushes the two ends of the packaging bag to stretch to both sides, and flattens the packaging bag on the test slider 2;

[0046] Second spring 14: provides elasticity for the pushing flat slider 13, so that it can push the packaging bag;

[0047] Level 15: judge whether the friction coefficient instrument body 1 is in a horizontal state through the bubble in the level 15;

[0048] Threaded hole 16: used to accommodate the leveling component threaded support leg 17, providing space for the threaded support leg 17 to move;

[0049] Threaded support leg 17: through the threaded connection with the threaded hole 16, rotate the threaded support leg 17 to slide, and cooperate with the level 15 to make the friction coefficient instrument body 1 reach the horizontal state;

[0050] Rubber sheet non-slip pad 18: plays a role in preventing slipping, ensuring the stability of the equipment.

[0051] Working principle:

[0052] First, when in use, first clamp one end of the packaging bag with the first clamping plate 3, then pull up the lifting frame 8, make the lifting frame 8 drive the roller 9 to slide up, then start the motor 5 in forward rotation, the motor 5 will drive the two threaded rods 4 to rotate through the gear transmission group 6, the threaded rods 4 will promote the sliding frame 7 to slide to the end of the first clamping plate 3, then release the lifting frame 8, the lifting frame 8 can make the roller 9 contact with the packaging bag under the action of the elasticity of the first spring 11, then start the motor 5 in reverse rotation to drive the sliding frame 7 to reset, in this process, the roller 9 is always in contact with the packaging bag under the action of the elasticity of the first spring 11, which can flatten the packaging bag, then clamp and fix the two ends of another packaging bag with the second clamping plate 12 respectively, then the two pushing flat sliders 13 will slide to both ends under the action of the elasticity of the second spring 14, thereby pushing the two ends of the packaging bag to stretch to both sides, making the area at the bottom end of the test slider 2 flat.

[0053] Second, when in use, in order to avoid the test slider 2 from sliding due to gravity, affecting the measurement results, you can judge whether the friction coefficient instrument body 1 is in a horizontal state through the level 15, if it is not in a horizontal state, you can twist the lower threaded support leg 17 to make the threaded support leg 17 slide outward, and the friction coefficient instrument body 1 reaches the horizontal state, avoiding the test slider 2 being on an inclined plane.

[0054] Finally, it should be noted that: apparently, the above embodiments are merely examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A high-precision friction coefficient instrument for packaging bag inspection, comprising a friction coefficient instrument body (1) and a test slider (2), a first clamping plate (3) for clamping is installed on the friction coefficient instrument body (1), characterized in that, The symmetry rotation of the friction coefficient instrument body (1) is equipped with a threaded rod (4), the friction coefficient instrument body (1) is fixedly equipped with a motor (5) for driving, the motor (5) and the threaded rod (4) are equipped with a gear transmission group (6), the threaded rod (4) is equipped with a sliding frame (7) for sliding, the sliding frame (7) is equipped with a lifting frame (8) for lifting, the lifting frame (8) is equipped with a roller (9) for flattening, the roller (9) and the lifting frame (8) are equipped with a first spring (11) for providing elasticity.

2. A high precision friction coefficient apparatus for packaging bag inspection according to claim 1, characterized in that, The test slider (2) is equipped with a second clamping plate (12) for clamping.

3. A high precision friction coefficient apparatus for packaging bag inspection as claimed in claim 1, wherein, The symmetry of the test slider (2) is equipped with a push flat slider (13) for paving.

4. A high precision friction coefficient apparatus for packaging bag inspection as defined in claim 3, wherein The two push flat sliders (13) are equipped with a second spring (14) for providing elasticity.

5. A high precision friction coefficient apparatus for packaging bag inspection as defined in claim 1, wherein, The bottom end of the friction coefficient instrument body (1) is fixedly equipped with a level (15) for leveling.

6. A high precision friction coefficient apparatus for packaging bag inspection as defined in claim 1, wherein, The four corners of the friction coefficient instrument body (1) are provided with threaded holes (16) for storage.

7. A high precision friction coefficient apparatus for packaging bag inspection as defined in claim 6, wherein The inside of the threaded hole (16) is equipped with a threaded support leg (17) for leveling.

8. A high precision friction coefficient apparatus for packaging bag inspection as defined in claim 7, wherein, The bottom end of the threaded support leg (17) is fixedly equipped with a rubber sheet anti-skid pad (18) for anti-skid.

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