CN219038768U - Novel dry-state wadding falling tester - Google Patents

Abstract

The utility model relates to the technical field of dry wadding falling measurement, in particular to a novel dry wadding falling measuring instrument which comprises an operation table, a test box and a machine body, wherein the test box and the machine body are arranged on the operation table; in the reciprocating movement process of the main shaft, under the matching effect of the positioning block and the spiral groove, the main shaft reciprocally rotates when moving, and compared with the process of independently driving the rotating shaft to rotate by adopting a motor, the cost is lower, and the occupied space is smaller.

Description

Novel dry-state wadding falling tester

Technical Field

The utility model belongs to the technical field of dry-state wadding falling measurement, and particularly relates to a novel dry-state wadding falling measuring instrument.

Background

The dry wadding falling tester can be used for measuring the indexes such as wadding falling, wadding falling coefficient, standard deviation, variation coefficient and the like of raw material non-woven fabrics and other textile materials used by medical protective materials (surgical drapes, surgical gowns, clean clothes, disposable guards and the like).

The dry-state wadding falling tester mainly tests the sample wadding falling through reciprocating stretching and torsion of the sample, but in the torsion process of the sample, the main shaft is driven to rotate through an independent driving mechanism such as a motor, for example, the dry-state wadding falling tester disclosed in the utility model patent (CN 215866299U) is driven to rotate through an independent first motor, and the reciprocating movement is driven through another second motor, so that the cost is high, and the occupied space of the motor is large.

Disclosure of Invention

The utility model aims to provide a novel dry-state wadding falling tester, which solves the problems of high driving cost and large occupied space of the conventional dry-state wadding falling tester.

In order to achieve the above purpose, the novel dry-state flocculation falling tester provided by the utility model comprises an operation table, a test box and a machine body, wherein the test box and the machine body are arranged on the operation table, a spindle capable of moving back and forth and rotating is arranged between the operation table and a base body, a driving device for driving the spindle to move back and forth is arranged in the machine body, a mounting device for mounting a sample is arranged in the test box, a connecting sleeve through which a rotating shaft can pass is fixedly arranged between the machine body and the test box, spiral grooves distributed in a spiral winding mode are formed in the surface of the spindle, and a positioning block with the bottom end clamped into the spiral grooves is arranged on the inner wall of the connecting sleeve.

Preferably, the driving device comprises a driving mechanism and a crank connecting rod, wherein the driving mechanism and the crank connecting rod are arranged in the machine body, one end of the crank connecting rod is connected with the output end of the driving mechanism, and the other end of the crank connecting rod is rotationally connected with the main shaft through a coupler.

Preferably, the driving mechanism comprises a driving motor arranged in the operation table, a driven wheel arranged in the machine body and connected with the crank connecting rod, and a belt wheel transmission assembly used for connecting the driven wheel with the driving motor in a transmission way.

Preferably, the mounting means comprises opposed discs disposed within the test chamber, one of which is connected to the end of the spindle.

Preferably, the end part of the connecting sleeve is connected with the machine body and the test box through the fixing sleeve.

Preferably, the fixing sleeve is a graphite copper sleeve.

Preferably, a particle counter is arranged in the operation table and is positioned below the test box.

Preferably, the diameter of the disc is 80 mm-85 mm.

The technical scheme provided by the utility model has at least the following technical effects: the driving device drives the spindle to reciprocate, and under the cooperation of the positioning block and the spiral groove in the reciprocating movement process of the spindle, the spindle rotates reciprocally when moving, and compared with the mode that the motor is independently adopted to drive the rotating shaft to rotate, the cost is lower, and the occupied space is smaller.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram showing an assembly structure of a dry-state wadding tester according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing the internal structure of a dry-state wadding tester according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a spindle driving structure according to an embodiment of the present utility model.

The main reference numerals illustrate: 1. an operation table; 2. a test chamber; 3. a body; 4. a main shaft; 41. a spiral groove; 5. a driving device; 51. a crank connecting rod; 52. driven wheel; 53. a driving mechanism; 6. a mounting device; 61. a disc; 7. connecting sleeves; 8. a positioning block; 9. a fixed sleeve; 10. a particle counter.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1-3, the embodiment discloses a novel dry-state wadding tester, which comprises an operation table 1, a test box 2 and a machine body 3, wherein the test box 2 is arranged on the operation table 1, the size of the test box 2 is 300mmX300mm, a spindle 4 capable of moving back and forth and rotating is arranged between the operation table 1 and a base body, a driving device 5 for driving the spindle 4 to move back and forth is arranged in the machine body 3, the driving device 5 comprises a driving mechanism 53 and a crank connecting rod 51, the driving mechanism 53 is arranged in the machine body 3, one end of the crank connecting rod 51 is connected with the output end of the driving mechanism 53, and the other end of the crank connecting rod is connected with the spindle 4 in a rotating mode through a coupler. Specifically, the driving mechanism 53 includes a driving motor disposed in the console 1, a driven wheel 52 disposed in the machine body 3 and connected with the crank connecting rod 51, and a belt wheel transmission assembly for driving connection of the driven wheel 52 and the driving motor, where the driving motor drives the driven wheel 52 to rotate through a belt, and then drives the spindle 4 to reciprocate through crank connection, specifically, a connecting sleeve 7 through which a rotating shaft can pass is fixedly disposed between the machine body 3 and the test box 2, two ends of the connecting sleeve 7 are fixedly connected with the machine body 3 and the test box 2 through a fixing sleeve 9, the fixing sleeve 9 can be, but is not limited to, a graphite copper sleeve, the spindle 4 reciprocates in the connecting sleeve 7, spiral grooves 41 distributed in spiral winding are disposed on the surface of the spindle 4, positioning blocks 8 with bottom ends clamped into the spiral grooves 41 are disposed on the inner wall of the connecting sleeve 7, and positions of the positioning blocks 8 are fixed, so that the spindle 4 can reciprocate under the spiral grooves 41 and the positioning blocks 8.

The test box 2 is internally provided with a mounting device 6 for mounting the test sample, the mounting device 6 comprises two oppositely arranged discs 61 arranged in the test box 2, the diameter of each disc 61 is 80-85 mm, one disc 61 is connected with the end part of the main shaft 4, two ends of the test sample are sleeved on the two discs 61 to finish the mounting of the test sample, and the operating platform 1 is internally provided with a particle counter 10 positioned below the test box 2; the test chamber 2 is evacuated and particles in the air stream are counted and classified to test the falling flocks of the sample.

Working principle: the power supply is turned on, the door of the test chamber 2 is opened, the test sample is sleeved on the two discs 61 and fastened, and then the door of the test chamber 2 is covered. Setting relevant parameters on a touch screen, starting an instrument, driving a crank connecting rod 51 to rotate by a driving mechanism 53 through a belt wheel, driving a main shaft 4 to reciprocate, simultaneously realizing reciprocating 180-degree rotation of the main shaft 4 under the cooperation of a positioning block 8 and a spiral groove 41, enabling a sample to be subjected to torsion (torsion frequency is 50-70 times/min) and compression synthesis (linear stroke: 120+/-2 mm), realizing the action of a modified Gelbo (Gelbo) torsion method, exhausting air from a test box 2 by a particle counter 10, counting and classifying particles in air flow, and testing air flow rate to be 28.3+/-1.4L/min; the particle measurement range is 0.5um-25um, so that the falling cotton wool of the sample is tested, the whole instrument has stable and reliable performance, is simple to operate and convenient to use, and is used for non-woven fabric falling cotton wool test in a dry state and is also used for other textile materials. The method is applicable to safety protection inspection centers, labor protection inspection centers, textile inspection centers, down garment manufacturers and the like.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. The utility model provides a novel dry state falls wadding apparatus, includes operation panel (1), sets up test box (2) and organism (3) on operation panel (1), a serial communication port, be provided with reciprocating motion and pivoted main shaft (4) between operation panel (1) and the base member, be provided with drive arrangement (5) of drive main shaft (4) reciprocating motion in organism (3), be provided with in test box (2) and be used for installing device (6) of sample installation, fixedly between organism (3) and test box (2) be provided with adapter sleeve (7) that can supply the pivot to pass, main shaft (4) surface is provided with spiral groove (41) of spiral winding distribution, be provided with locating piece (8) in spiral groove (41) are gone into to the bottom card on the inner wall of adapter sleeve (7).

2. The novel dry flocculation tester according to claim 1, wherein the driving device (5) comprises a driving mechanism (53) and a crank connecting rod (51) which are arranged in the machine body (3), one end of the crank connecting rod (51) is connected with the output end of the driving mechanism (53), and the other end of the crank connecting rod is rotationally connected with the main shaft (4) through a coupler.

3. The novel dry flocculation tester as claimed in claim 2, wherein the driving mechanism (53) comprises a driving motor arranged in the operation table (1), a driven wheel (52) arranged in the machine body (3) and connected with the crank connecting rod (51), and a belt wheel transmission assembly for driving connection of the driven wheel (52) and the driving motor.

4. The novel dry-state wadding tester according to claim 1, wherein the mounting means (6) comprises two oppositely arranged discs (61) arranged in the test chamber (2), wherein one disc (61) is connected to the end of the main shaft (4).

5. The novel dry wadding tester according to claim 1, wherein the end part of the connecting sleeve (7) is connected with the machine body (3) and the test box (2) through a fixed sleeve (9).

6. The novel dry flocculation tester according to claim 5, wherein the fixing sleeve (9) is a graphite copper sleeve.

7. The novel dry flocculation tester according to any one of claims 1-6, wherein a particle counter (10) positioned below the test chamber (2) is arranged in the operation table (1).

8. The novel dry-state wadding tester according to claim 4, wherein the diameter of the disc (61) is 80-85 mm.

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