Toilet paper powder falling rate tester and powder throwing mechanism thereof

Abstract

The utility model provides a toilet paper powder falling rate tester and a powder throwing mechanism thereof, and belongs to the technical field of paper quality detection. The powder throwing device comprises a powder throwing driving mechanism, a plurality of clamping blocks are arranged at the movable end of the powder throwing driving mechanism, the number of the clamping blocks is larger than or equal to 2, a clamping area is formed among the clamping blocks, and at least one clamping block is connected with a clamping block driving assembly capable of driving the clamping block to move so as to shrink or enlarge the clamping area. And a clamped part of the paper fixer is clamped in the clamping area. The clamping force of the clamping blocks on the clamped part can be dynamically adjusted, it can be guaranteed that the clamped part is stably fixed, the clamped part is prevented from loosening or sliding in the swing test process, and the detection precision is guaranteed; the clamped part is uniformly stressed, torsion or deviation caused by single-side pressure application is avoided, and the edge of the clamped part can be prevented from being damaged due to stress concentration due to uniform clamping force distribution of the clamping blocks.

Description

TECHNICAL FIELD

[0001] The utility model belongs to paper quality detection technical field relates to a toilet paper powder dropping rate measuring instrument and its throw powder mechanism. BACKGROUND

[0002] Tissue paper powder dropping rate refers to the number of tissue paper surface fiber falling off due to rubbing, pulling and other actions in the use process, along with the continuous expansion of the tissue paper market and the improvement of consumer's requirement for product quality, the powder dropping rate becomes one of the important indexes for measuring the quality of toilet paper, tissue paper and other products. The existing powder dropping rate detection equipment usually adopts fixing the sample on the paper fixing device, then swinging for a certain time at a certain frequency, and evaluating the powder dropping rate of the sample by the mass difference before and after the sample swinging.

[0003] However, the traditional powder dropping rate measuring instrument usually adopts fixed clamping structure to fix, the device usually realizes the clamping of the paper fixing device through bolt fastening or elastic buckle, the clamping force cannot be dynamically adjusted, the clamping is loose in the high-speed swinging process due to vibration, which causes the displacement or rotation of the paper fixing device, seriously affects the repeatability of test data, and the clamping mode of unilateral pressure makes the clamped part bear asymmetric stress, which easily causes the deformation or even fracture of the clamped part in long-term use. UTILITY MODEL CONTENT

[0004] The utility model aims at the above problems, and provides a throw powder mechanism of toilet paper powder dropping rate measuring instrument.

[0005] Another object of the utility model is to provide a toilet paper powder dropping rate measuring instrument.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A throw powder mechanism of toilet paper powder dropping rate measuring instrument, including throw powder drive mechanism, the movable end of throw powder drive mechanism is equipped with a plurality of clamping blocks, and the number of clamping blocks is greater than or equal to 2, and the clamping area is formed between a plurality of clamping blocks, at least one clamping block is connected with the clamping block drive assembly that can drive it to move and thus reduce or expand the clamping area, and the clamped part of the paper fixing device is clamped in the clamping area.

[0008] The clamping block drive assembly can dynamically adjust the clamping force of the clamped part between the clamping blocks by dynamically adjusting the size of the clamping area, can ensure that the clamped part of the paper fixing device is stably fixed, avoids the loosening or slipping of the clamped part in the swinging test process, to ensure the detection accuracy.

[0009] In the spinning mechanism of the toilet paper powder dropping rate tester, the two symmetrical clamping blocks are fixedly connected with the moving end of the spinning drive mechanism, and the clamping block drive assembly is arranged between the moving end of the spinning drive mechanism and the other clamping block.

[0010] The symmetrical arrangement of the two clamping blocks can uniformly stress the clamped part of the paper fixer, avoid torsion or deviation caused by unilateral pressure, dynamically adjust the clamping force between the two clamping blocks, and ensure stable clamping of the clamped part.

[0011] In the spinning mechanism of the toilet paper powder dropping rate tester, the clamping block drive assembly comprises a linear drive cylinder, which is fixed on the moving end of the spinning drive mechanism, and the linear drive cylinder is connected with the other clamping block at the extension end.

[0012] The extension and retraction of the extension end of the linear drive cylinder can respectively drive the clamping block to move away from or close to the clamping block fixedly connected with the moving end of the spinning drive mechanism, so as to dynamically adjust the size of the clamping area and the clamping force between the two clamping blocks, and ensure stable clamping of the clamped part.

[0013] In the spinning mechanism of the toilet paper powder dropping rate tester, the clamping block is provided with a clamping limiting groove.

[0014] The clamping limiting groove is used for accurately positioning the clamped part of the paper fixer, can quickly position the clamped part, and can limit the rotation of the clamped part, effectively prevent the clamped part from rotating during the test, and play a role in resisting torsion.

[0015] In the spinning mechanism of the toilet paper powder dropping rate tester, the paper fixer comprises a clamped rod, and the two ends of the clamped rod are connected with the paper clamp through the connecting frame.

[0016] The clamped rod is placed in the clamping area, and the clamping force between the two clamping blocks can be dynamically adjusted to ensure stable clamping of the clamped rod. The paper clamp is used for clamping and fixing the test toilet paper.

[0017] In the spinning mechanism of the toilet paper powder dropping rate tester, the spinning drive mechanism comprises at least one linear guide unit parallel to the bottom surface, the slider of the linear guide unit is provided with the clamping block, and the slider is connected with the drive unit.

[0018] The linear guide unit plays a role in linearly guiding the reciprocating linear displacement of the clamping block, can ensure the high repeatability of the spinning trajectory of the paper fixer, and can ensure the detection accuracy.

[0019] In the spinning mechanism of the toilet paper powder dropping rate tester, the driving unit comprises a cam driver, a cam is arranged on the cam driver, and the cam is connected with a sliding block through a length-adjustable screw rod at a position deviated from the rotation center.

[0020] The cam driver drives the rotation of the cam, and the length-adjustable screw rod drives the sliding block of the linear guide unit to realize high-speed reciprocating linear displacement to spin the test toilet paper for powder dropping rate testing.

[0021] A toilet paper powder dropping rate tester comprises a rack, a spinning mechanism of the toilet paper powder dropping rate tester is arranged on the rack, and a weighing mechanism capable of suspending or placing a paper fixing device is arranged on one side of the spinning mechanism.

[0022] The weighing mechanism is used for weighing the paper fixing device before and after spinning, and the powder dropping rate is calculated according to the difference between the weights before and after spinning.

[0023] In the toilet paper powder dropping rate tester, the weighing mechanism comprises a scale body, and a weighing hanger for suspending the paper fixing device is arranged on the weighing end of the scale body.

[0024] Alternatively, the weighing mechanism comprises a scale body, and a weighing table for placing the paper fixing device is arranged on the weighing end of the scale body.

[0025] The weighing hanger is used for suspending and fixing the paper fixing device for weighing.

[0026] In the toilet paper powder dropping rate tester, a hanging anti-falling groove is arranged on the weighing hanger.

[0027] The hanging anti-falling groove is used for accurately positioning the clamped part of the paper fixing device, and can limit the rotation of the clamped part to prevent the paper fixing device from accidentally falling off and causing weighing failure.

[0028] Compared with the prior art, the advantages of the present application are as follows: 1. The clamping force between the clamping blocks on the clamped part can be dynamically adjusted to ensure stable fixation of the clamped part and avoid loosening or slipping of the clamped part during spinning test, thereby ensuring detection accuracy. 2. The clamped part is uniformly stressed, avoiding torsion or deviation caused by unilateral pressure, and the uniform clamping force distribution of the clamping blocks can prevent the edge of the clamped part from being damaged due to stress concentration. 3. The clamped part can be quickly positioned on the clamping blocks, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a schematic diagram of the overall structure of the present application;

[0030] Figure 2 is a schematic diagram of the structure of the spinning mechanism;

[0031] Figure 3 is a structural diagram of a clamping block driving assembly;

[0032] Figure 4 is a structural diagram of a linear guide unit;

[0033] Figure 5 is a structural diagram of a driving unit.

[0034] In the figure, the powder throwing driving mechanism 1, the clamping block 2, the clamping area 3, the clamping block driving assembly 4, the paper fixing device 5, the clamped part 6, the linear driving cylinder 7, the clamping limiting groove 8, the clamped rod 9, the connecting frame 10, the paper clamp 11, the linear guide unit 12, the sliding block 13, the driving unit 14, the linear guide rod 15, the sliding plate 16, the sliding sleeve 17, the cam driver 18, the cam 19, the length-adjustable screw 20, the rack 21, the weighing mechanism 22, the scale body 23, the weighing suspension 24, the suspension anti-falling groove 26, and the powder throwing mechanism 27. DETAILED DESCRIPTION

[0035] As shown in Figures 1-5 A powder throwing mechanism of a toilet paper powder dropping rate tester, comprising a powder throwing driving mechanism 1, a plurality of clamping blocks 2 are arranged on the movable end of the powder throwing driving mechanism 1, and the number of the clamping blocks 2 is greater than or equal to 2, a clamping area 3 is formed between the clamping blocks 2, at least one clamping block 2 is connected with a clamping block driving assembly 4 capable of driving the clamping block 2 to move so as to reduce or enlarge the clamping area 3, and a clamped part 6 of a paper fixing device 5 is clamped in the clamping area 3.

[0036] In the utility model, the initial state of the clamping area 3 is an open state, after the paper fixing device 5 fixes the test toilet paper, the clamped part 6 of the paper fixing device 5 is placed in the clamping area 3, then the clamping block driving assembly 4 operates to reduce the clamping area 3 to clamp and fix the clamped part 6 of the paper fixing device 5, after the clamped part 6 of the paper fixing device 5 is fixed, the powder throwing driving mechanism 1 operates to drive the paper fixing device 5 to perform high-speed reciprocating linear displacement to throw the test toilet paper.

[0037] The clamping block driving assembly 4 dynamically adjusts the size of the clamping area 3, dynamically adjusts the clamping force of the clamped part 6 between the clamping blocks 2, ensures that the clamped part 6 of the paper fixing device 5 is stably fixed, avoids loosening or slipping of the clamped part 6 in the throwing test process, and ensures the detection accuracy.

[0038] Specifically, as shown in Figures 1-4 The clamping blocks 2 are two and symmetrically arranged, one clamping block 2 is fixedly connected with the movable end of the powder throwing driving mechanism 1, and the other clamping block 2 is provided with the clamping block driving assembly 4 between the movable end of the powder throwing driving mechanism 1.

[0039] The double clamping blocks 2 are symmetrically arranged, so that the clamped part 6 of the paper fixing device 5 is uniformly stressed, avoiding torsion or deviation caused by unilateral pressure, and the clamping force between the double clamping blocks 2 can be dynamically adjusted to ensure that the clamped part 6 is stably clamped, and the uniform clamping force distribution of the double clamping blocks 2 can prevent the edge of the clamped part 6 from being damaged due to stress concentration.

[0040] Specifically, as shown in Figures 2-5 , the clamping block driving assembly 4 comprises a linear drive cylinder 7 fixed to the movable end of the powder throwing driving mechanism 1, and the telescopic end of the linear drive cylinder 7 is connected to the other clamping block 2.

[0041] The telescopic end of the linear drive cylinder 7 is connected to the other clamping block 2, and the telescopic end of the linear drive cylinder 7 can drive the clamping block 2 away from or close to the clamping block 2 fixed to the movable end of the powder throwing driving mechanism 1, so as to dynamically adjust the size of the clamping area 3 and dynamically adjust the clamping force between the clamping blocks 2, thereby ensuring that the clamped part 6 is stably clamped.

[0042] Preferably, as shown in Figure 2 and Figure 3 , the clamping block 2 is provided with a clamping limiting groove 8.

[0043] The clamping limiting groove 8 on the clamping block 2 is used for precise positioning of the clamped part 6 of the paper fixing device 5, can realize quick positioning of the clamped part 6, and can limit rotation of the clamped part 6, thereby effectively preventing the clamped part 6 from rotating during testing and playing a role in resisting torsion.

[0044] The cross section of the clamping limiting groove 8 is in the shape of a semicircle or any one of non-circles, and the present application is triangular. The triangular edges generate a self-locking effect to prevent the clamped part 6 from rotating during testing.

[0045] Specifically, as shown in Figure 1 and Figure 2 , the paper fixing device 5 comprises a clamped rod 9, and the two ends of the clamped rod 9 are connected to a paper clamp 11 through a connecting frame 10.

[0046] The clamped rod 9 is placed in the clamping area 3, and the clamping force between the clamping blocks 2 can be dynamically adjusted to ensure that the clamped rod 9 is stably clamped, and the paper clamp 11 is used to clamp and fix the test toilet paper.

[0047] Specifically, as shown in Figure 2 , Figure 4 and Figure 5 , the powder throwing driving mechanism 1 comprises at least one linear guide unit 12 parallel to the bottom surface, the slider 13 of the linear guide unit 12 is provided with the clamping block 2, and the slider 13 is connected to a driving unit 14.

[0048] The linear guide unit 12 plays a role of linear guide for the reciprocating linear displacement of the clamping block 2, and can ensure the high repeatability of the powder throwing track of the paper fixer 5 to ensure the detection accuracy.

[0049] Specifically, as shown in Figure 2 , Figure 4 and Figure 5 , the linear guide unit 12 includes two parallel linear guide rods 15, the sliding block 13 is located between the two linear guide rods 15, and the sliding plates 16 on both sides of the sliding block 13 are respectively provided with sliding cooperation with the corresponding linear guide rods 15, and the sliding sleeves 17 are provided between the sliding plates 16 and the linear guide rods 15.

[0050] The sliding cooperation between the sliding plates 16 on both sides of the sliding block 13 and the linear guide rods 15 provides high-precision linear motion guide for the sliding block 13, and ensures the high repeatability of the powder throwing track of the paper fixer 5 to ensure the detection accuracy.

[0051] Specifically, as shown in Figure 2 , Figure 4 and Figure 5 , the driving unit 14 includes a cam driver 18, the cam driver 18 is provided with a cam 19, and the cam 19 is connected with the sliding block 13 through the length-adjustable screw rod 20 at the position deviated from the rotation center.

[0052] The operation of the cam driver 18 can drive the rotation of the cam 19, and the rotation of the cam 19 can drive the high-speed reciprocating linear displacement of the sliding block 13 of the linear guide unit 12 through the length-adjustable screw rod 20 to throw the test toilet paper for the powder dropping rate test.

[0053] As shown in Figures 1-5 , a toilet paper powder dropping rate tester includes a rack 21, the rack 21 is provided with a powder throwing mechanism 27 of the toilet paper powder dropping rate tester, and a weighing mechanism 22 capable of suspending or placing a paper fixer 5 is arranged on one side of the powder throwing mechanism 27.

[0054] The weighing mechanism 22 is used for weighing the paper fixer 5 before and after powder throwing, and the powder dropping rate is calculated by the difference between the weights before and after powder throwing.

[0055] The paper fixer 5 is manually placed on the weighing mechanism 22 for weighing before powder throwing, and the paper fixer 5 is sequentially transferred to the weighing mechanism 22 for automatic weighing through the powder throwing driving mechanism 1 and the clamping block driving assembly 4 after powder throwing.

[0056] Specifically, as shown in Figure 1 and Figure 2 , the weighing mechanism 22 includes a scale body 23, and the weighing suspension 24 for suspending the paper fixer 5 is arranged on the weighing end of the scale body 23.

[0057] Alternatively, the weighing mechanism 22 comprises a scale body 23, and a weighing table for placing the paper fixer 5 is arranged on the weighing end of the scale body 23.

[0058] In this embodiment, a weighing hanger 24 for hanging the paper fixer 5 is arranged on the weighing end of the scale body 23, and the weighing hanger 24 is used for hanging and fixing the paper fixer 5 to perform weighing.

[0059] Preferably, in combination with Figure 1 and Figure 2 As shown in the figure, a hanging anti-falling groove 26 is arranged on the weighing hanger 24.

[0060] The hanging anti-falling groove 26 on the weighing hanger 24 is used for precisely positioning the clamped part 6 of the paper fixer 5, and can limit the rotation of the clamped part 6 and prevent the weighing from being invalid due to the accidental falling of the paper fixer 5.

[0061] The working principle of the utility model is as follows: after the paper fixer 5 is fixed, it is placed on the weighing hanger 24 to perform pre-shaking weighing, then the clamped rod 9 is placed in the clamping area 3, then the retracting end of the linear drive cylinder 7 drives the clamping block 2 to clamp and fix the clamped rod 9, then the cam driver 18 drives the slider 13 to perform high-speed reciprocating linear displacement to shake the test toilet paper, after the shaking is completed, the cam driver 18 drives the clamped rod 9 to move above the weighing hanger 24, then the retracting end of the linear drive cylinder 7 extends to make the clamped rod 9 descend to the weighing hanger 24 to perform post-shaking weighing, and the powder dropping rate is calculated through the difference between the pre-shaking and post-shaking weights.

[0062] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

[0063] Although the terms such as the shaking driving mechanism 1, the clamping block 2, the clamping area 3, the clamping block driving assembly 4, the paper fixer 5, the clamped part 6, the linear drive cylinder 7, the clamping limiting groove 8, the clamped rod 9, the connecting frame 10, the paper clamp 11, the linear guide unit 12, the slider 13, the driving unit 14, the linear guide rod 15, the sliding plate 16, the sliding sleeve 17, the cam driver 18, the cam 19, the length-adjustable screw rod 20, the rack 21, the weighing mechanism 22, the scale body 23, the weighing hanger 24, the hanging anti-falling groove 26, the shaking mechanism 27 are used more frequently in this paper, the use of these terms is only for more convenient 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 powder throwing mechanism of a sanitary paper powder drop rate tester, comprising a powder throwing driving mechanism (1), characterized in that, The movable end of the powder throwing driving mechanism (1) is provided with a plurality of clamping blocks (2), and the number of clamping blocks (2) is greater than or equal to 2, a clamping area (3) is formed between the plurality of clamping blocks (2), at least one clamping block (2) is connected with a clamping block driving assembly (4) capable of driving the clamping block to move so as to reduce or enlarge the clamping area (3), and the clamping area (3) clamps a clamped part (6) of a paper fixer (5).

2. The duster of the sanitary paper dusting rate tester according to claim 1, characterized by, The clamping blocks (2) are two and symmetrically arranged, one clamping block (2) is fixedly connected with the movable end of the powder throwing driving mechanism (1), and the other clamping block (2) is provided with the clamping block driving assembly (4) between the movable end of the powder throwing driving mechanism (1).

3. The duster of the sanitary paper dusting rate tester according to claim 2, characterized by, The clamping block driving assembly (4) comprises a linear driving cylinder (7), the linear driving cylinder (7) is fixed on the movable end of the powder throwing driving mechanism (1), and the telescopic end of the linear driving cylinder (7) is connected with the other clamping block (2).

4. The duster according to claim 1 or 2 or 3, characterized in that, The clamping block (2) is provided with a clamping limiting groove (8).

5. The duster of a sanitary paper dusting rate tester according to claim 4, characterized by, The paper fixer (5) comprises a clamped rod (9), and the clamped rod (9) is connected with a paper clamp (11) through a connecting frame (10) at both ends.

6. The duster according to claim 1 or 2 or 3, wherein The powder throwing driving mechanism (1) comprises at least one linear guide unit (12) parallel to the bottom surface, the slider (13) of the linear guide unit (12) is provided with the clamping block (2), and the slider (13) is connected with a driving unit (14).

7. The duster of a sanitary paper dusting meter according to claim 6, characterized in that, The driving unit (14) comprises a cam driver (18), the cam driver (18) is provided with a cam (19), and the cam (19) is connected with the slider (13) through a length-adjustable screw rod (20) deviated from the rotation center.

8. A sanitary paper dusting rate tester characterized by, The weighing mechanism (22) comprises a scale body (23), and the weighing end of the scale body (23) is provided with a weighing suspension (24) for suspending the paper fixer (5).

9. The sanitary paper duster as defined in claim 8, wherein, Alternatively, the weighing mechanism (22) comprises a scale body (23), and the weighing end of the scale body (23) is provided with a weighing table for placing the paper fixer (5). The weighing suspension (24) is provided with a suspension anti-falling groove (26).

10. The sanitary paper duster as defined in claim 9, wherein, ​

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