Paper bursting strength testing device and water spraying mechanism thereof

By designing a ring-shaped water spray base and water supply unit, the problem of uneven water spraying in the paper spherical bursting strength testing device is solved, achieving uniform wetting of the test object and stable fixation of the paper, thus ensuring the accuracy of the bursting strength test results.

CN223926139UActive Publication Date: 2026-02-17ZHEJIANG YANTE SCI INSTR CO LTD
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Patent Information

Application Number
CN202520726622.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2025-04-10
Filing Date
2025-04-17
Publication Date
2026-02-17
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

Existing paper spherical bursting strength testing devices suffer from uneven water spraying, resulting in inconsistent paper wetting levels and affecting the accuracy of test results.

Method used

The design employs a ring-shaped spray base and water supply unit to ensure that the water flows along the closed loop of the ring water channel cavity, forming a circulating pressure balance. The test object is wetted through evenly distributed spray nozzles, and a filter is provided to prevent impurities from adhering. Combined with a lifting mechanism, the paper is fixed to prevent displacement.

Benefits of technology

This method achieves consistent surface wettability of the test specimen, ensuring uniform wetting of the paper under pressure, improving the accuracy of burst strength test results, and preventing contamination and slippage caused by impurities.

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Patent Text Reader

Abstract

The utility model provides a paper bursting strength testing device and a water spraying mechanism thereof, and belongs to the technical field of paper quality detection. The device comprises an annular water spraying seat arranged between a paper test seat and a test body, the annular water spraying seat is provided with a plurality of water spraying ports distributed in the circumferential direction of the test body, and the water spraying ports are connected with a water spraying supply assembly. The test body can be uniformly wetted, the wetting degree of the surface of the test body is consistent, the wetting degree of the paper under the pressure of the test body can be consistent, and the anti-cracking capability of the paper can be truly reflected to ensure the accuracy of a bursting strength test result.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to paper quality detection technical field relates to a paper burst resistance testing device and water spraying mechanism thereof. BACKGROUND

[0002] The spherical burst resistance of paper is the ability to resist rupture when paper and its products are subjected to vertical pressure. In order to simulate the wet environment, the existing spherical burst resistance detection device mostly has a water spraying function for spraying the test ball head. However, the existing water spraying device has the problem that the ball head cannot be uniformly wetted, the wetness of the surface of the ball head is inconsistent, and the ball head cannot be uniformly wetted, which will cause the wetness of the paper under the spherical pressure to be inconsistent, and the different wetness will affect the burst resistance test result of the paper, making the test result inaccurate and unable to truly reflect the anti-breakage ability of the paper. SUMMARY

[0003] The utility model aims at the above problem, provides a water spraying mechanism of paper burst resistance testing device.

[0004] Another object of the utility model is to provide a paper burst resistance testing device.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A water spraying mechanism of a paper burst resistance testing device, comprising an annular water spraying seat arranged between a paper test seat and a test body, wherein the annular water spraying seat is provided with a plurality of water spraying openings distributed along the circumference of the test body, and the water spraying openings are connected with a water spraying supply assembly.

[0007] The test body can be uniformly wetted, and the wetness of the surface of the test body is consistent, which can ensure that the wetness of the paper under the pressure of the test body is consistent and can truly reflect the anti-breakage ability of the paper to ensure the accuracy of the burst resistance test result.

[0008] In the water spraying mechanism of the paper burst resistance testing device, the water spraying supply assembly comprises an annular water channel cavity arranged in the annular water spraying seat, the water spraying openings are arranged on the inner side of the annular water spraying seat and are in communication with the annular water channel cavity, and the water inlet of the annular water channel cavity is connected with a water supply unit.

[0009] The water flows along the closed loop of the annular water channel cavity to form a circulating pressure balance, ensuring that the water outlet pressure of each water spraying opening is consistent, so that the test body can be uniformly wetted.

[0010] In the water spraying mechanism of the paper burst resistance testing device, the water supply unit comprises a water pump, and the water outlet of the water pump is connected with the water inlet.

[0011] The water pump runs to pressurize the water source and pump out water from the water outlet, and the pressurized water flows into the annular water channel through the water inlet.

[0012] In the water spraying mechanism of the paper burst resistance testing device, a filter is connected to the water inlet end of the water pump.

[0013] The filter connected to the water inlet end of the water pump can filter the particulate impurities in the water source to prevent impurities from adhering to the surface of the test body, causing distortion of the burst resistance data.

[0014] In the water spraying mechanism of the paper burst resistance testing device, a water collecting funnel is arranged below the annular water spraying seat on the lower base, and the water collecting funnel is connected to the water outlet interface.

[0015] The water collecting funnel is used to collect and store the waste water after testing to prevent liquid from splashing and contaminating the equipment or the environment, and the water outlet interface is used to direct the collected waste water to an external container or a drainage system to keep the testing area dry.

[0016] A paper burst resistance testing device includes a lower base, a lower pressing ring arranged on the lower base, an upper pressing ring arranged above the lower pressing ring, a paper fixing area formed between the upper pressing ring and the lower pressing ring, the upper pressing ring connected to an upper pressing ring lifting mechanism, a test body arranged in the upper pressing ring and capable of being lifted, the test body connected to a force measuring lifting mechanism, the force measuring lifting mechanism and the upper pressing ring lifting mechanism both connected to the upper base and the lower base, and a water spraying mechanism of the paper burst resistance testing device arranged between the test body and the force measuring lifting mechanism.

[0017] The lowering of the upper pressing ring can firmly fix the paper on the lower pressing ring to ensure that the paper does not shift during testing, and the test body can be uniformly wetted, so that the moisture content on the surface of the test body is consistent, the moisture content of the paper when subjected to the pressure of the test body is consistent, and the anti-breaking ability of the paper can be truly reflected to ensure the accuracy of the burst resistance test results.

[0018] In the paper burst resistance testing device, the upper pressing ring lifting mechanism includes a guide sleeve, the upper pressing ring is fixed to the lower end of the guide sleeve, the annular water spraying seat is arranged above the guide sleeve, the guide sleeve is arranged in the guide hole of the upper base, and a lifting drive assembly is arranged between the guide sleeve and the upper base.

[0019] The operation of the lifting drive assembly can drive the guide sleeve to slide and lift in the guide hole of the upper base to drive the upper pressing ring to lift and lower, and the lowering of the upper pressing ring can firmly fix the paper on the lower pressing ring, and the guide hole plays a role in lifting and guiding the guide sleeve.

[0020] In the paper breaking degree testing device, the lifting driving assembly comprises at least one linear driver arranged between the guide sleeve and the upper base, the linear driver is connected with the upper base, and the driving end of the linear driver is connected with the guide sleeve through the connecting seat.

[0021] The driving end of the linear driver is telescoped through the connecting seat to drive the guide sleeve to descend or ascend in the guide hole, so as to drive the upper pressing ring to descend or ascend.

[0022] In the paper breaking degree testing device, the lifting driving assembly comprises at least one linear driver arranged between the guide sleeve and the upper base, the linear driver is connected with the upper base, and the driving end of the linear driver is connected with the guide sleeve through the connecting seat.

[0023] The lifting driving assembly comprises at least one linear driver arranged between the guide sleeve and the upper base, the linear driver is connected with the upper base, and the driving end of the linear driver is connected with the guide sleeve through the connecting seat.

[0024] In the paper breaking degree testing device, the test body is a spherical body.

[0025] Compared with the prior art, the paper breaking degree testing device has the following advantages: 1. The test body can be uniformly wetted, the wetness of the test body surface is consistent, the wetness of the paper under the pressure of the test body is consistent, and the anti-breaking capacity of the paper can be truly reflected to ensure the accuracy of the breaking degree test result. 2. The paper is fixed stably and will not shift or slip during the test. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a schematic diagram of the overall structure of the paper breaking degree testing device provided by the utility model;

[0027] Figure 2 is a schematic diagram of the structure of the water spraying mechanism;

[0028] Figure 3 is a sectional view of the water spraying mechanism;

[0029] Figure 4 is a sectional view of the annular water spraying seat;

[0030] Figure 5 is a schematic diagram of the structure of the lower base;

[0031] Figure 6 is a schematic diagram of the structure of the upper pressing ring lifting mechanism and the force measuring lifting mechanism.

[0032] In the figure, the paper test seat 1, the test body 2, the annular water spraying seat 3, the water spraying port 4, the water spraying supply assembly 5, the annular water channel cavity 6, the water inlet 7, the water supply unit 8, the water spraying mechanism 9, the pipe quick connector 10, the lower base 12, the water collecting funnel 13, the water outlet 14, the lower pressing ring 15, the upper pressing ring 16, the paper fixing area 17, the upper pressing ring lifting mechanism 18, the force measuring lifting mechanism 19, the upper base 20, the column 21, the guide sleeve 22, the guide hole 23, the lifting drive assembly 24, the linear drive 25, the connecting seat 26, the drive plate 27, the mounting seat 28, the drive rod 29, the pressure sensor 30, the screw rod mounting seat 31, the lifting screw rod 32, the lifting drive 33, the screw rod nut 34, the sensor positioning seat 35, the drive rod lifting groove 36, the inner ring body 37, the outer ring body 38, the inner ring groove 39. DETAILED DESCRIPTION

[0033] As shown in Figures 1-6 A water spraying mechanism of a paper burst resistance testing device, comprising an annular water spraying seat 3 arranged between a paper test seat 1 and a test body 2, wherein a plurality of water spraying ports 4 are arranged along the circumference of the test body 2 on the annular water spraying seat 3, and the water spraying ports 4 are connected with a water spraying supply assembly 5.

[0034] In the utility model, the water spraying supply assembly 5 provides water source, and the input water source is sprayed to the test body 2 through the plurality of water spraying ports 4 arranged along the circumference of the test body 2 to uniformly wet the test body 2, and the test body 2 is a spherical body.

[0035] The test body 2 can be uniformly wetted, the wetness of the surface of the test body 2 is consistent, the wetness of the paper when subjected to the pressure of the test body 2 is consistent, and the anti-breaking capacity of the paper can be truly reflected to ensure the accuracy of the burst resistance test result.

[0036] Specifically, as shown in Figures 2-4 The water spraying supply assembly 5 comprises an annular water channel cavity 6 arranged in the annular water spraying seat 3, the water spraying ports 4 are arranged on the inner side of the annular water spraying seat 3 and are communicated with the annular water channel cavity 6, and a water inlet 7 of the annular water channel cavity 6 is connected with a water supply unit 8.

[0037] After the water supply unit 8 is started, water flows into the annular water channel cavity 6 through the water inlet 7, flows along the closed loop of the annular water channel cavity 6 and is uniformly sprayed to the test body 2 through the water spraying ports 4.

[0038] The water flows along the closed loop of the annular water channel cavity 6, forms a circulating pressure balance, ensures that the water outlet pressure of each water spraying port 4 is consistent, and the test body 2 can be uniformly wetted.

[0039] Specifically, as shown in Figures 2-4As shown, the annular water spraying seat 3 comprises an inner ring body 37 and an outer ring body 38, the outer ring body 38 is provided with an inner ring groove 39 matched with the inner ring body 37, and the annular water channel cavity 6 is formed on the inner ring groove 39, the water inlet 7 of the annular water channel cavity 6 is arranged on the outer ring body 38, and the water spraying port 4 is arranged on the inner ring body 37 and uniformly distributed along the circumference of the inner ring body 37.

[0040] Specifically, in combination with Figures 1-4 As shown, the water supply unit 8 comprises a water pump, and the water outlet end of the water pump is connected with the water inlet 7.

[0041] The water pump pumps out the water source after pressurizing, and the pressurized water flows into the annular water channel cavity 6 through the water inlet 7.

[0042] The pipe quick connector 10 is screwed on the water inlet 7. The pipe quick connector 10 on the water inlet 7 can be quickly connected with the water outlet end of the water pump.

[0043] Preferably, a filter is connected to the water inlet end of the water pump. The filter connected to the water inlet end of the water pump can filter the particulate impurities in the water source to prevent the impurities from adhering to the surface of the test body 2, causing the data of the bursting strength to be distorted.

[0044] Specifically, in combination with Figure 5 As shown, the annular water spraying seat 3 is provided below the water collecting funnel 13 on the lower base 12, and the water collecting funnel 13 is connected with the water outlet 14.

[0045] The water collecting funnel 13 is used to collect the waste water after the test to prevent the liquid from splashing and polluting the equipment or the environment, and the water outlet 14 is used to direct the collected waste water to the outside container or the drainage system to keep the test area dry.

[0046] As Figures 1-6 As shown, a paper bursting strength testing device comprises a lower base 12, a lower pressing ring 15 arranged on the lower base 12, an upper pressing ring 16 arranged above the lower pressing ring 15, a paper fixing area 17 formed between the upper pressing ring 16 and the lower pressing ring 15, the upper pressing ring 16 being connected with an upper pressing ring lifting mechanism 18, a test body 2 arranged in the upper pressing ring 16 and capable of being lifted, the test body 2 being connected with a force lifting mechanism 19, the force lifting mechanism 19 and the upper pressing ring lifting mechanism 18 being connected with the lower base 12 through an upper base 20, and a water spraying mechanism 9 of the paper bursting strength testing device being arranged between the test body 2 and the force lifting mechanism 19.

[0047] The upper base 20 is connected with the lower base 12 through a stand column 21.

[0048] The utility model discloses a paper strength testing device, including upper base 20, the lower base 21, the paper fixed area 17, the water spraying mechanism 3, the testing body 2, the paper strength testing device 1, the upper pressure ring 16, the lower pressure ring 15, the upper pressure ring lifting mechanism 18, the force lifting mechanism 19.

[0049] The paper is positioned and placed on the lower pressure ring 15, and the upper pressure ring 16 is lowered to stably fix the paper on the lower pressure ring 15, so that the paper does not shift during the test, the testing body 2 is uniformly wetted, the wetness of the testing body 2 surface is consistent, the wetness of the paper is consistent when the paper is pressed by the testing body 2, and the anti-breaking capacity of the paper can be truly reflected to ensure the accuracy of the burst strength test result.

[0050] Specifically, as shown in Figure 5 and Figure 6 , the upper pressure ring lifting mechanism 18 includes a guide sleeve 22, the upper pressure ring 16 is fixed at the lower end of the guide sleeve 22, an annular water spraying seat 3 is arranged above the guide sleeve 22, the guide sleeve 22 is arranged in the guide hole 23 of the upper base 20, and a lifting driving assembly 24 is arranged between the guide sleeve 22 and the upper base 20.

[0051] The lifting driving assembly 24 can drive the guide sleeve 22 to slide and lift in the guide hole 23 of the upper base 20, so that the upper pressure ring 16 is lifted or lowered, the paper is stably fixed on the lower pressure ring 15 when the upper pressure ring 16 is lowered, and the guide hole 23 guides the lifting of the guide sleeve 22.

[0052] Specifically, as shown in Figure 5 and Figure 6 , the lifting driving assembly 24 includes at least one linear driver 25 arranged between the guide sleeve 22 and the upper base 20, the linear driver 25 is connected with the upper base 20, and the driving end of the linear driver 25 is connected with the guide sleeve 22 through a connecting seat 26.

[0053] The driving end of the linear driver 25 can be respectively driven to descend or ascend in the guide hole 23 through the connecting seat 26, so that the upper pressure ring 16 is driven to descend or ascend.

[0054] Specifically, as shown in Figure 5 and Figure 6 , the connecting seat 26 is arranged at the upper end of the guide sleeve 22, driving plates 27 are symmetrically arranged on both sides of the connecting seat 26, the linear driver 25 is provided with two driving plates 27 located above the two sides, the driving end of the linear driver 25 is connected with the driving plate 27, and the linear driver 25 is connected with the upper base 20 through a mounting seat 28.

[0055] Specifically, in combination with Figure 5 and Figure 6 As shown in the figure, the force lifting mechanism 19 comprises a driving rod 29, the lower end of which is connected with the test body 2, the upper end of which is connected with a pressure sensor 30, the upper base 20 is provided with a screw rod mounting seat 31, the lifting screw rod 32 is arranged on the screw rod mounting seat 31, the lifting driving device 33 is connected with the lifting screw rod 32, the screw nut 34 of the lifting screw rod 32 is connected with the sensor positioning seat 35, and the pressure sensor 30 is arranged on the sensor positioning seat 35.

[0056] The lifting driving device 33 can drive the lifting screw rod 32 to rotate to drive the screw nut 34 to move up and down, the screw nut 34 can drive the driving rod 29 to move up and down to realize the lifting of the test body 2, and the pressure sensor 30 at the upper end of the lifting screw rod 32 is used to measure the pressure when the test body 2 pierces the paper to test the breaking resistance.

[0057] The connecting seat 26 is provided with a driving rod lifting groove 36 matched with the driving rod 29.

[0058] The working principle of the utility model is: the paper to be tested is placed on the paper fixing area 17, the linear driving device 25 drives the upper pressing ring 16 to descend to fix the paper, then the lifting driving device 33 drives the test body 2 to descend into the inner ring body 37, then the water pump drives the water flow to be sprayed to the test body 2 through the water spraying port 4 to uniformly wet the test body 2, then the lifting driving device 33 continues to drive the test body 2 to descend to test the breaking resistance of the paper.

[0059] The specific embodiments described in the present application are only illustrative of the spirit of the utility model. Those skilled in the art of the utility model can make various modifications or supplements to the described specific embodiments or adopt similar ways to replace, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

[0060] Although the paper test seat 1, test body 2, ring-shaped water jet seat 3, water jet 4, water jet supply assembly 5, ring-shaped water channel cavity 6, water inlet 7, water supply unit 8, water jet mechanism 9, pipe quick connector 10, lower base 12, water collection funnel 13, water outlet 14, lower pressing ring 15, upper pressing ring 16, paper fixing area 17, upper pressing ring lifting mechanism 18, force measuring lifting mechanism 19, upper base 20, stand 21, guide sleeve 22, guide hole 23, lifting drive assembly 24, linear drive 25, connecting seat 26, drive plate 27, mounting seat 28, drive rod 29, pressure sensor 30, screw rod mounting seat 31, lifting screw rod 32, lifting drive 33, screw rod nut 34, sensor positioning seat 35, drive rod lifting groove 36, inner ring body 37, outer ring body 38, inner ring groove 39, etc. are used more in this paper, using these terms is only to facilitate the description and explanation of the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A water spray mechanism for a paper burst strength testing apparatus, characterized by, The paper breaking degree testing device comprises a paper testing seat (1), a testing body (2), a ring-shaped water spraying seat (3) arranged between the paper testing seat (1) and the testing body (2), a plurality of water spraying openings (4) arranged along the circumferential direction of the testing body (2) on the ring-shaped water spraying seat (3), and a water spraying supply assembly (5) connected with the water spraying openings (4).

2. The water spray mechanism for paper burst testing apparatus according to claim 1, wherein The water spraying supply assembly (5) comprises a ring-shaped water channel cavity (6) arranged in the ring-shaped water spraying seat (3), the water spraying openings (4) are arranged on the inner side of the ring-shaped water spraying seat (3) and are communicated with the ring-shaped water channel cavity (6), and a water inlet (7) of the ring-shaped water channel cavity (6) is connected with a water supply unit (8).

3. The water spray mechanism for a paper burst test apparatus according to claim 2, wherein The water supply unit (8) comprises a water pump, and a water outlet end of the water pump is connected with the water inlet (7).

4. The water spray mechanism for paper burst testing apparatus according to claim 3, wherein A filter is connected to the water inlet end of the water pump.

5. The water spray mechanism of a paper burst test apparatus according to claim 1 or 2 or 3 or 4, wherein A water collecting funnel (13) is arranged on the lower base (12) below the ring-shaped water spraying seat (3), and the water collecting funnel (13) is connected with a water outlet interface (14).

6. A paper burst strength testing apparatus characterized by, The lower base (12) is provided with a lower pressing ring (15), an upper pressing ring (16) is arranged above the lower pressing ring (15), a paper fixing area (17) is formed between the upper pressing ring (16) and the lower pressing ring (15), the upper pressing ring (16) is connected with an upper pressing ring lifting mechanism (18), the testing body (2) is arranged in the upper pressing ring (16) and can be lifted, the testing body (2) is connected with a force lifting mechanism (19), the force lifting mechanism (19) and the upper pressing ring lifting mechanism (18) are connected with the upper base (20) and the lower base (12), and the testing body (2) and the force lifting mechanism (19) are provided with the water spraying mechanism (9) of the paper breaking degree testing device according to any one of claims 1-5.

7. The paper burst testing device of claim 6, wherein, The upper pressing ring lifting mechanism (18) comprises a guide sleeve (22), the upper pressing ring (16) is fixed to the lower end of the guide sleeve (22), the ring-shaped water spraying seat (3) is arranged on the guide sleeve (22) above the upper pressing ring (16), the guide sleeve (22) is arranged in a guide hole (23) of the upper base (20), and a lifting driving assembly (24) is arranged between the guide sleeve (22) and the upper base (20).

8. The paper burst testing device of claim 7, wherein, The lifting driving assembly (24) comprises at least one linear driver (25) arranged between the guide sleeve (22) and the upper base (20), the linear driver (25) is connected with the upper base (20), and a driving end of the linear driver (25) is connected with the guide sleeve (22) through a connecting seat (26).

9. The paper burst testing device of claim 6, wherein, The force testing lifting mechanism (19) comprises a driving rod (29), the lower end of the driving rod (29) is connected with the testing body (2), the upper end of the testing body (2) is connected with a pressure sensor (30), a screw rod mounting seat (31) is arranged on the upper base (20), a lifting screw rod (32) is arranged on the screw rod mounting seat (31), the lifting screw rod (32) is connected with a lifting driver (33), a screw rod nut (34) of the lifting screw rod (32) is connected with a sensor positioning seat (35), and the pressure sensor (30) is arranged on the sensor positioning seat (35).

10. The paper burst testing device of claim 6, wherein, The testing body (2) is a spherical body.