Equipment for testing overall stiffness of paper dinner plate

By designing an overall stiffness testing device for paper plates, the problem of paper plate stiffness testing was solved, accurate and reliable quality control was achieved, and the performance of paper plates was improved.

CN224109202UActive Publication Date: 2026-04-10CHINA LIGHT (JINJIANG) SANITARY PROD RES CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA LIGHT (JINJIANG) SANITARY PROD RES CO LTD
Filing Date
2025-01-09
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The lack of suitable testing instruments and methods in the current technology to effectively test and control the stiffness of paper plates results in poor performance of paper plates.

Method used

A paper plate stiffness testing device was designed, including a pressure sensor, a detection lifting component, a plate clamping support structure and a limiting device. It simulates the shape of a human hand holding a paper plate, automatically determines the test start and end points, and determines the stiffness by the maximum pressure value.

Benefits of technology

This technology enables accurate and reliable testing of the stiffness of paper plates, ensuring quality control and improving their usability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides paper dinner plate overall stiffness test equipment, relates to the technical field of disposable dinner plate detection equipment, and solves the problem that no appropriate detection instrument or method is available for effective test and quality control of stiffness of a paper dinner plate at present. The paper dinner plate detection device comprises a device base, a pressure sensor used for detecting paper dinner plates is arranged above the rear portion of the device base in a lifting mode, and a detection lifting assembly used for driving the pressure sensor to ascend and descend is arranged on the rear portion of the upper surface of the device base. A dinner plate limiting device for limiting the left side of the paper dinner plate during detection is arranged at the left part of the upper surface of the equipment base, and a dinner plate clamping and supporting knot for supporting and clamping the paper dinner plate during detection is arranged at the right part of the upper surface of the equipment base. The paper dinner plate testing device has the beneficial effects that paper dinner plates with different regulations and sizes can be clamped and tested, the form when the paper dinner plates are held by hands is simulated, and the testing result is accurate and reliable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to one -time meal tray detection equipment technical field, concretely relates to a paper meal tray whole stiffness test equipment. BACKGROUND

[0002] The plastic meal box discarded at will can cause secondary pollution to the environment, and the main treatment mode of the discarded plastic meal box is burying and weathering, and it can take tens of years to hundreds of years to bury and weather a plastic box, and the toxic substances generated after the decomposition of the plastic meal box can pollute the soil again.

[0003] In recent years, with the enhancement of people's environmental protection consciousness, many countries and regions advocate 'paper instead of plastic', encourage consumers and enterprises to produce and use paper products, and reduce the harm to human body and environment as far as possible, because the raw material of paper is mainly wood and straw, and it is a degradable environmental protection material. Paper meal tray belongs to the typical paper instead of plastic product, and the use amount is relatively wide. However, many consumers complain that the use effect of paper meal tray is poor in the use process, mainly reflected in that the overall strength and stiffness are worse than those of plastic meal tray, at present, the paper cup stiffness tester and the paperboard bending stiffness tester cannot test the stiffness of paper meal tray, and there is no suitable detection instrument and method to effectively test and quality control the stiffness of paper meal tray. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of paper meal tray overall stiffness test equipment, and the purpose is to solve the problem that there is no suitable detection instrument and method to effectively test and quality control the stiffness of paper meal tray at present.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A kind of paper meal tray overall stiffness test equipment, characterized by: including equipment base, the pressure sensor for detecting paper meal tray is lifted on the rear upper portion of the equipment base, the detection lifting assembly for driving the pressure sensor is arranged on the rear upper portion of the equipment base, the meal tray limiting device for left limiting paper meal tray during detection is arranged on the left portion of the upper surface of the equipment base, the meal tray clamping support structure for supporting and clamping paper meal tray during detection is arranged on the right portion of the upper surface of the equipment base;

[0007] The meal tray clamping support structure includes a translation base table, a clamping vertical plate is arranged on the right end of the translation base table, a meal tray clamping assembly is arranged on the upper end of the clamping vertical plate, a meal tray support assembly is slidably arranged on the left and right sides of the upper portion of the translation base table, and a translation assembly is arranged on the translation base table for driving the meal tray support assembly to translate.

[0008] Further improved, the translation assembly comprises a translation slide rail arranged on the upper surface of the translation base table, and a matched translation slide base is arranged on the translation slide rail, and a translation locking knob is arranged on the front surface of the translation slide base.

[0009] Further improved, the dinner plate supporting assembly comprises a supporting frame mounted on the upper end of the translation slide base, a lifting slide rail is arranged on the right end surface of the supporting frame, a matched lifting slide base is arranged on the lifting slide rail in a sliding manner, a supporting block is fixedly connected to the upper end of the lifting slide base, a pair of supporting heads are arranged on the upper end of the supporting block, and a lifting locking knob is arranged on the front surface of the lifting slide base.

[0010] Further improved, the dinner plate clamping assembly comprises a clamping seat mounted on the upper end of the clamping vertical plate, a stepped groove is formed in the left middle part of the clamping seat, a clamping lead screw is rotatably connected to the vertical middle part of the clamping seat, one end of the clamping lead screw is rotatably connected to the right bottom surface of the stepped groove, the other end of the clamping lead screw is rotatably connected to the upper end of the clamping seat and extends upward to be connected with a clamping knob, a matched clamping lead screw nut is connected to the clamping lead screw in the stepped groove, a clamping pressing block is fixedly connected to the left end lower surface of the clamping lead screw nut, a clamping guide rail is arranged on the inner wall of the stepped groove, and a clamping sliding block matched with the clamping guide rail is fixedly connected to the right end surface of the clamping lead screw nut and arranged on the clamping guide rail in a sliding manner.

[0011] Further improved, the detection lifting assembly comprises a stand, a top plate is arranged on the upper end of the stand, a motor mounting plate is connected to the middle part of the side wall of the stand, a servo motor is mounted below the motor mounting plate, one end of a lifting ball screw is connected to the output end of the servo motor and extends upward out of the motor mounting plate, the other end of the lifting ball screw is rotatably connected to the bottom surface of the top plate, a matched lifting lead screw nut is connected to the lifting ball screw, and a lifting plate is fixedly connected to the outward end surface of the lifting lead screw nut.

[0012] Further improved, a lifting guide rail is mounted on the side of the stand facing the lifting lead screw nut, and a lifting sliding block matched with the lifting guide rail is fixedly connected to the inward side of the lifting lead screw nut and arranged on the lifting guide rail in a sliding manner.

[0013] Further improved, a pressing head is arranged at the lower end of the pressure sensor.

[0014] Further improved, the detection lifting limiting assembly comprises a sensing plate mounted on the side wall of the connecting plate, an upper position sensor and a lower position sensor mounted on the side wall of the stand through the position sensor connecting plate.

[0015] Further improvement is that the tray limiting device comprises a tray limiting stand column, a through hole is formed in the upper part of the tray limiting stand column and extends left and right, a limiting rod is inserted into the through hole, a locking bolt hole is connected to the through hole and extends upward, an adjusting bolt is connected to the locking bolt hole in a threaded mode, and an adjusting knob is connected to the upper end of the adjusting bolt.

[0016] Further improvement is that the device base front surface is provided with a controller, and the controller is electrically connected with the servo motor, the pressure sensor, the upper position sensor and the lower position sensor.

[0017] After the above technical scheme is adopted, the following beneficial effects are obtained compared with the prior art:

[0018] The tray clamping support structure can clamp paper trays of different sizes to simulate the shape when the paper tray is held by hand, the device automatically judges the starting point and the ending point of the test, and the maximum value of the pressure in the same downward pressure distance is used to determine the overall stiffness value of the paper tray, and the test result is accurate and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0020] Figure 1 is a three-dimensional structure schematic diagram of the present application;

[0021] Figure 2 is a three-dimensional structure schematic diagram of the present application;

[0022] Figure 3 is a three-dimensional structure schematic diagram of the present application;

[0023] Figure 4 is a three-dimensional structure schematic diagram of the present application;

[0024] Figure 5 is a three-dimensional structure schematic diagram of the present application;

[0025] Figure 6 is a three-dimensional structure schematic diagram of the present application Figure 5 is an enlarged view of A part of the present application;

[0026] Figure 7 is a circuit principle structure schematic diagram block diagram of the present application.

[0027] Explanation of reference signs: device base 1, detection lifting assembly 2, stand column 21, top plate 22, motor mounting plate 23, servo motor 24, lifting ball screw 25, lifting screw nut 26, lifting sliding block 261, lifting plate 27, connecting plate 271, induction plate 28, upper position sensor 29, lower position sensor 210, lifting guide rail 211, pressure sensor 3, lower pressing head 31, paper plate 4, plate limiting stand column 5, limiting rod 51, adjusting knob 52, plate clamping support structure 6, translation base table 61, clamping vertical plate 62, translation sliding rail 63, translation sliding seat 64, translation locking knob 641, plate support assembly 65, support frame 651, lifting sliding seat 652, support block 653, support head 654, lifting sliding rail 655, lifting locking knob 656, plate clamping assembly 66, clamping seat 661, clamping lead screw 662, clamping lead screw nut 663, clamping pressing block 664, clamping sliding block 665, clamping guide rail 666, clamping knob 667, controller 10. DETAILED DESCRIPTION

[0028] Reference Figures 1-7 The technical scheme adopted in the specific embodiment is shown as follows: a paper plate overall stiffness testing device, comprising a device base 1, a pressure sensor 3 for detecting a paper plate 4 is arranged on the upper rear part of the device base 1, a detection lifting assembly 2 for driving the pressure sensor 3 to lift is arranged on the upper surface of the rear part of the device base 1, a plate limiting device for limiting the paper plate 4 from the left side during detection is arranged on the left part of the upper surface of the device base 1, and a plate clamping support structure 6 for supporting and clamping the paper plate 4 during detection is arranged on the right part of the upper surface of the device base 1.

[0029] The plate clamping support structure 6 comprises a translation base table 61, a clamping vertical plate 62 is arranged on the right end of the translation base table 61, a plate clamping assembly 66 is arranged on the upper end of the clamping vertical plate 62, a plate support assembly 65 is arranged on the upper surface of the translation base table 61, and a translation assembly for driving the plate support assembly 65 to translate is arranged on the translation base table 61.

[0030] The translation assembly comprises a translation sliding rail 63 arranged on the upper surface of the translation base table 61, a corresponding translation sliding seat 64 is arranged on the translation sliding rail 63, and a translation locking knob 641 for locking the translation sliding seat 64 is arranged on the front surface of the translation sliding seat 64.

[0031] The tray supporting assembly 65 comprises a supporting frame 651 mounted on the upper end of the translation slide 64, the right end surface of the supporting frame 651 is provided with a lifting slide rail 655, the lifting slide rail 655 is provided with a matched lifting slide 652 which is slidingly arranged on the lifting slide rail 655, the upper end of the lifting slide 652 is fixedly connected with a supporting block 653, a pair of supporting heads 654 are arranged on the upper end of the supporting block 653, the front surface of the lifting slide 652 is provided with a lifting locking knob 656 for locking the lifting slide 652, and the spacing between the two supporting heads 654 is 30mm.

[0032] The tray clamping assembly 66 comprises a clamping seat 661 mounted on the upper end of the clamping vertical plate 62, a stepped groove is formed in the left middle part of the clamping seat 661, a clamping lead screw 662 is rotatably connected to the vertical middle part of the clamping seat 661, one end of the clamping lead screw 662 is rotatably connected to the right bottom surface of the stepped groove, the other end of the clamping lead screw 662 is rotatably connected to the upper end of the clamping seat 661 and extends upwardly and is connected with a clamping knob 667, a matched clamping lead screw nut 663 is connected to the clamping lead screw 662 in the stepped groove, the left end lower surface of the clamping lead screw nut 663 is fixedly connected with a clamping pressing block 664, a clamping guide rail 666 is arranged on the inner wall of the stepped groove, the right end surface of the clamping lead screw nut 663 is fixedly connected with a clamping sliding block 665 matched with the clamping guide rail 666, and the clamping sliding block 665 is slidingly arranged on the clamping guide rail 666.

[0033] The detection lifting assembly 2 comprises a vertical column 21, the upper end of the vertical column 21 is provided with a top plate 22, the side wall of the middle part of the vertical column 21 is connected with a motor mounting plate 23, a servo motor 24 is mounted below the motor mounting plate 23, one end of a lifting ball screw 25 is connected to the output end of the servo motor 24 which extends upwardly beyond the motor mounting plate 23, the other end of the lifting ball screw 25 is rotatably connected to the bottom surface of the top plate 22, a lifting lead screw nut 26 matched with the lifting ball screw 25 is connected to the lifting ball screw 25, the outward end surface of the lifting lead screw nut 26 is fixedly connected with a lifting plate 27, and the outward side of the lifting plate 27 is connected with the pressure sensor 3 through a connecting plate 271.

[0034] The vertical column 21 is provided with a lifting guide rail 211 on the side facing the lifting lead screw nut 26, and the inward side of the lifting lead screw nut 26 is fixedly connected with a lifting sliding block 261 matched with the lifting guide rail 211, and the lifting sliding block 261 is slidingly arranged on the lifting guide rail 211.

[0035] The lower end of the pressure sensor 3 is provided with a pressing head 31, and the diameter of the bottom of the pressing head 31 is 4mm.

[0036] The detection lifting limiting component comprises a sensing plate 28 installed on the side wall of the connecting plate 271, an upper position sensor 29 installed on the side wall of the stand 21 through a position sensor connecting plate 212, and a lower position sensor 210.

[0037] The upper position sensor 29 and the lower position sensor 210 are photoelectric sensors.

[0038] The dish limiting device comprises a dish limiting stand 5, a through hole is formed in the upper part of the dish limiting stand 5 and extends leftward and rightward, a limiting rod 51 is inserted into the through hole, a locking bolt hole is formed in the upper part of the through hole and extends upward, an adjusting bolt is threadedly connected to the locking bolt hole, and an adjusting knob 52 is connected to the upper end of the adjusting bolt.

[0039] The front surface of the equipment base 1 is provided with a controller 10, and the controller 10 is electrically connected with the servo motor 24, the pressure sensor 3, the upper position sensor 29 and the lower position sensor 210.

[0040] The working principle of the utility model is: when using, one end edge of the paper dish is placed on the stepped groove bottom surface of the clamping seat, then the clamping screw rod is rotated through the clamping knob, the clamping screw rod nut on the clamping screw rod is driven to move downward to press the edge of the paper dish through the clamping pressing block, and the dish clamping assembly is used for simulating the clamping action of the thumb on the edge of the paper dish when the paper dish is held by hand.

[0041] Then the translation sliding seat is manually moved to the middle position of the bottom surface of the paper dish, the corresponding dish supporting assembly is moved to the middle position of the bottom surface of the paper dish, then the lifting sliding seat is manually moved upward, the supporting block on the lifting sliding seat is moved upward, then a pair of supporting heads on the supporting block abut against the bottom surface of the paper dish to support the paper dish, and the two supporting heads simulate the supporting action of the bottom fingers on the paper dish when the paper dish is held by hand.

[0042] Then the limiting rod is pushed to the left side of the paper dish, the limiting rod is used for keeping the upper surface of the paper dish in a horizontal position, the servo motor is started, the upper position sensor is the starting position, the lifting ball screw is driven to rotate, the lifting screw nut is moved, the corresponding lifting plate and the pressure sensor and the lower pressing head on the side of the lifting plate are moved from the starting position to the direction of the paper dish, when the lower pressing head contacts the paper dish, the lower pressing head is continuously moved downward to the lower position sensor to stop moving, during the movement, the pressure sensor records the maximum force value in the process, and the force value in the test process is used for simulating the weight of the weight.

[0043] The basic principle and main features of the utility model and its advantages are shown and described above, and the person skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the description are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents. The utility model is not described in detail, which is the known technology of the person skilled in the art.

Claims

1. A paper plate overall stiffness testing apparatus, characterized by: The utility model provides a paper tray detection device, including equipment base, the pressure sensor for detecting paper tray is lifted on the rear top of equipment base, the detection lifting assembly for driving pressure sensor to lift is arranged on the rear top of equipment base, the left part of equipment base upper surface is provided with tray limiting device for limiting paper tray left side when detecting, the right part of equipment base upper surface is provided with tray clamping support structure for supporting and clamping paper tray when detecting, The tray clamping support structure includes a translation base table, a clamping vertical plate is arranged on the right end of the translation base table, a tray clamping assembly is arranged on the upper end of the clamping vertical plate, a tray support assembly is slidably arranged on the left and right sides of the upper surface of the translation base table, and a translation assembly is arranged on the translation base table to drive the tray support assembly to translate.

2. A paper plate overall stiffness testing apparatus according to claim 1, wherein: The detection lifting assembly includes a vertical column, a top plate is arranged on the upper end of the vertical column, a motor mounting plate is connected to the sidewall of the middle part of the vertical column, a servo motor is mounted below the motor mounting plate, one end of a lifting ball screw is connected to the output end of the servo motor and extends upward from the motor mounting plate, the other end of the lifting ball screw is rotatably connected to the bottom surface of the top plate, a lifting screw nut is connected to the lifting ball screw, an upward end surface of the lifting screw nut is fixedly connected to a lifting plate, and the pressure sensor is connected to the outward surface of the lifting plate through a connecting plate.

3. A paper plate overall stiffness testing apparatus according to claim 2, wherein: A lifting guide rail is mounted on the surface of the vertical column facing the lifting screw nut, a lifting slider is fixedly connected to the inward surface of the lifting screw nut and matched with the lifting guide rail, and the lifting slider is slidably arranged on the lifting guide rail.

4. A paper plate overall stiffness testing apparatus as claimed in claim 2, wherein: The detection lifting limiting assembly includes a sensing plate mounted on the sidewall of the connecting plate, an upper position sensor mounted on the sidewall of the vertical column through the connecting plate of the position sensor, and a lower position sensor.

5. A paper plate overall stiffness testing apparatus as claimed in claim 1, wherein: A lower pressing head is arranged on the lower end of the pressure sensor.

6. A paper plate overall stiffness testing apparatus as defined in claim 4, wherein: The translation assembly includes a translation sliding rail arranged on the upper surface of the translation base table, a matched translation sliding seat is slidably arranged on the translation sliding rail, and a translation locking knob is arranged on the front surface of the translation sliding seat to lock the translation sliding seat.

7. A paper plate overall stiffness testing apparatus as defined in claim 6, wherein: The tray support assembly includes a support frame mounted on the upper end of the translation sliding seat, a lifting sliding rail is arranged on the right end surface of the support frame, a matched lifting sliding seat is slidably arranged on the lifting sliding rail, a support block is fixedly connected to the upper end of the lifting sliding seat, a pair of support heads are arranged on the upper end of the support block, and a lifting locking knob is arranged on the front surface of the lifting sliding seat to lock the lifting sliding seat.

8. A paper plate overall stiffness testing apparatus according to claim 7, wherein: The tray clamping assembly includes a clamping seat mounted on the upper end of the clamping vertical plate, a stepped groove is formed in the left middle part of the clamping seat, a clamping lead screw is rotatably connected to the vertical middle part of the clamping seat, one end of the clamping lead screw is rotatably connected to the right bottom surface of the stepped groove, the other end of the clamping lead screw is rotatably connected to the upper end of the clamping seat and extends upward to be connected to a clamping knob, a matched clamping lead screw nut is connected to the clamping lead screw in the stepped groove, a clamping pressing block is fixedly connected to the left lower surface of the clamping lead screw nut, a clamping guide rail is arranged on the inner wall of the stepped groove, a clamping slider matched with the clamping guide rail is fixedly connected to the right end surface of the clamping lead screw nut, and the clamping slider is slidably arranged on the clamping guide rail.

9. A paper plate overall stiffness testing apparatus as defined in claim 4, wherein: The front surface of the device base is provided with a controller which is electrically connected with the servo motor, the pressure sensor, the upper position sensor and the lower position sensor.

10. A paper plate overall stiffness testing apparatus as defined in claim 1, wherein: The tray limiting device comprises a tray limiting column, a through hole is formed in the upper part of the tray limiting column and extends left and right, a limiting rod is inserted into the through hole, a locking bolt hole is connected to the upper part of the through hole and extends upward, an adjusting bolt is threadedly connected to the locking bolt hole, and an adjusting knob is connected to the upper end of the adjusting bolt.