An automatic sample dropping device for cosmetics testing

Abstract

The utility model relates to the technical field of cosmetics detection, and proposes an automatic sample dripping device for cosmetics detection, comprising an operating table, characterized in that a motor is installed at the inner bottom end of the operating table, a rotating shaft is fixedly connected to the output end of the motor, a supporting assembly is arranged on the outer wall of the rotating shaft for supporting a test tube, a stabilizing assembly is arranged on the outer wall of the supporting assembly for stabilizing the supporting assembly, an adjusting assembly is arranged above the supporting assembly for adjusting the height of the test tube, two limiting assemblies are arranged outside the adjusting assembly for limiting the test tube body, two electric telescopic rods are fixedly connected to the top end of the rear side of the operating table, the top ends of the two electric telescopic rods are fixedly connected to a support, and a titration assembly is arranged in front of the two electric telescopic rods for titrating the cosmetics in the test tube, so that the device can adapt to test tubes of different specifications and improve the use range of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of cosmetics detection, and in particular to an automatic sample dropping device for cosmetics detection. Background Art

[0002] Cosmetics testing refers to the use of relevant laboratory instruments and equipment to conduct tests on the ingredient content of various types of cosmetics to comply with national laws and standards, ensure the hygienic quality and safety of cosmetics, and protect the health of consumers.

[0003] A Chinese patent discloses an automatic sample-dropping device for cosmetics testing, with the publication number CN218331600U. The article proposes "an automatic sample-dropping device for cosmetics testing, which relates to the field of cosmetics technology. The automatic sample-dropping device for cosmetics testing includes a load-bearing plate, an automatic turntable mechanism and a sample-dropping mechanism. The top of the load-bearing plate is fixedly connected to a fixed frame. The automatic turntable mechanism includes a placement component arranged on the load-bearing plate and a driving component arranged on the load-bearing plate. The driving component can drive the placement component to rotate relative to the load-bearing plate. A test tube is arranged on the placement component. The sample-dropping mechanism includes a fixed plate arranged on the fixed frame and a reagent loader arranged in the fixed plate. The fixed plate is fixedly connected to the front side of the fixed frame. The device can be used in a short time. The dripping operation of multiple groups of test tubes can be completed quickly, without the need for staff to hold test tubes or droppers, the dripping speed is accelerated, the work efficiency is improved, and the device does not need to rely on manpower for dripping operations, reducing manpower expenses and reducing inspection costs. "The above utility model improves the titration efficiency of the device and the work efficiency of the device to a certain extent by setting multiple groups of comparison test tubes for dripping experiments. However, the test tube fixed by the titration device of the device has a fixed diameter and a fixed height, so that the device can only be applied to test tubes of fixed size, and cannot be widely applied to titration operations of test tubes of different specifications, thereby reducing the universality of the operation of the device. Therefore, it is very necessary to design an automatic dripping device for cosmetics testing. Utility Model Content

[0004] The utility model aims to provide an automatic sample dropping device for cosmetics testing, which solves the problem that the test tube fixed by the titration device of the device in the related art has a fixed diameter and a fixed height, so that the device can only be applied to test tubes of fixed sizes and cannot be widely applied to titration operations of test tubes of different specifications, thereby reducing the universality of the operation of the device.

[0005] The technical solution of the utility model is as follows:

[0006] A cosmetics detection automatic sample dripping device comprises an operating table, characterized in that a motor is installed at the inner bottom end of the operating table, a rotating shaft is fixedly connected to the output end of the motor, a supporting assembly is provided on the outer wall of the rotating shaft for supporting a test tube, a stabilizing assembly is provided on the outer wall of the supporting assembly for stabilizing the supporting assembly, an adjusting assembly is provided above the supporting assembly for adjusting the height of the test tube, two limiting assemblies are provided outside the adjusting assembly for limiting the test tube body, two electric telescopic rods are fixedly connected to the top end of the rear side of the operating table, a support is fixedly connected to the top end of the two electric telescopic rods, a titration assembly is provided in front of the two electric telescopic rods for titrating the cosmetics in the test tube.

[0007] Preferably, the support assembly comprises a turntable fixedly connected to the outer wall of the rotating shaft, a plurality of placement grooves are provided on the outer wall at the top end of the turntable, and the plurality of placement grooves are arranged in a circular array at the top end of the turntable.

[0008] Preferably, the stabilizing assembly includes a slip ring rotatably connected to the outer wall of the turntable, a plurality of stabilizing columns are fixedly connected to the bottom end of the slip ring, a plurality of stabilizing columns are annularly arrayed at the bottom end of the slip ring, and the bottom ends of the plurality of stabilizing columns are fixedly connected to the outer wall of the operating table.

[0009] Preferably, the adjustment assembly comprises an adjustment sleeve sleeved on the outer wall of the rotating shaft, and the outer wall of the adjustment sleeve is threadedly connected with a fixing screw.

[0010] Preferably, the limiting assembly includes a limiting plate fixedly connected to the outer wall of the adjusting sleeve, the inner wall of the limiting plate is penetrated by a plurality of limiting holes, the plurality of limiting holes are arrayed in a ring on the inner wall of the limiting plate, the inner walls of the plurality of limiting holes are each fixedly connected with three sliding sleeves, and each three sliding sleeves are arrayed in a ring on the inner wall of the limiting hole.

[0011] Preferably, the limiting assembly also includes a sliding rod slidably connected to the inner wall of each sliding sleeve, the outer wall of each sliding sleeve is sleeved with a spring, one end of each spring is fixedly connected to a one-third limiting arc, the outer wall of each one-third limiting arc is fixedly connected to one side end of the sliding rod, and the other end of each spring is fixedly connected to the inner wall of the limiting hole.

[0012] Preferably, the titration assembly comprises a titration bottle fixedly connected to the top of the support, a burette is fixedly connected to the bottom opening of the titration bottle, and a first valve is installed on the inner wall of the burette.

[0013] Preferably, the titration assembly further comprises a burette port fixedly connected to the bottom end of the burette, and a second valve is installed on the inner wall of the burette port.

[0014] Beneficial effects of the utility model:

[0015] In this way, when placing a test tube, the test tube squeezes one-third of the limiting arc, and the one-third of the limiting arc squeezes the spring, so that the space formed by the one-third of the limiting arc outside the test tube becomes larger, thereby realizing the placement of test tubes with different diameters. This facilitates adjustment according to test tubes with different diameters, thereby improving the use range of the device. At the same time, the test tube is limited and fixed by the limiting assemblies on the two limiting disks, so that the test tube is in a vertical state during the downward placement process, reducing the possibility of test tube deviation, and reducing the possibility of titration deviation of the detection liquid during titration, thereby improving the titration efficiency of the device. At the same time, the height of the test tube is adjusted by the height between the two limiting disks and the turntable, so that test tubes of different heights can be placed, so that the device can adapt to test tubes of different specifications, thereby improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model in front view;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the support assembly and the stabilizing assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the adjustment component of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the limiting component of the utility model;

[0022] Figure 6 This is a schematic diagram of the three-dimensional structure of the titration component of the utility model;

[0023] In the figure: 1. operating table; 2. motor; 3. rotating shaft; 4. supporting assembly; 401. turntable; 402. placing groove; 5. stabilizing assembly; 501. slip ring; 502. stabilizing column; 6. adjusting assembly; 601. adjusting sleeve; 602. fixing screw; 7. limiting assembly; 701. limiting disk; 702. limiting hole; 703. sliding sleeve; 704. sliding rod; 705. spring; 706. one-third limiting arc; 8. electric telescopic rod; 9. support; 10. titration assembly; 1001. titration bottle; 1002. burette; 1003. first valve; 1004. titration port; 1005. second valve. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-6 As shown, this embodiment proposes an automatic sample dropping device for cosmetics detection, including an operating table 1, characterized in that a motor 2 is installed at the inner bottom end of the operating table 1, a rotating shaft 3 is fixedly connected to the output end of the motor 2, a supporting component 4 is arranged on the outer wall of the rotating shaft 3 for supporting a test tube, a stabilizing component 5 is arranged on the outer wall of the supporting component 4 for stabilizing the supporting component 4, an adjusting component 6 is arranged above the supporting component 4 for adjusting the height of the test tube, two limiting components 7 are arranged outside the adjusting component 6 for limiting the test tube body, and the top end of the rear side of the operating table 1 is fixedly connected to There are two electric telescopic rods 8, the top ends of the two electric telescopic rods 8 are fixedly connected with a support 9, and a titration assembly 10 is arranged in front of the two electric telescopic rods 8 for titrating the cosmetics in the test tube. When the user needs to adjust the height between the titration port 1004 and the fixed mouth of the sample test tube, the electric telescopic rod 8 is controlled to drive the support 9 to move upward or downward, so that the titration assembly 10 moves upward or downward, thereby moving the titration port 1004 upward or downward to a distance, so that the titration port 1004 is fixed at a distance height suitable for titration.

[0026] like Figure 2-5As shown, the support assembly 4 includes a turntable 401 fixedly connected to the outer wall of the rotating shaft 3, and a plurality of placement grooves 402 are opened on the top outer wall of the turntable 401, and the plurality of placement grooves 402 are annularly arrayed at the top of the turntable 401. The stabilizing assembly 5 includes a slip ring 501 rotatably connected to the outer wall of the turntable 401, and a plurality of stabilizing columns 502 are fixedly connected to the bottom end of the slip ring 501, and the plurality of stabilizing columns 502 are annularly arrayed at the bottom end of the slip ring 501, and the bottom ends of the plurality of stabilizing columns 502 are fixedly connected to the outer wall of the operating table 1. The adjusting assembly 6 includes a sleeve mounted on the rotating shaft 3 The outer wall of the adjusting sleeve 601 is threadedly connected with a fixing screw 602, the limiting assembly 7 includes a limiting plate 701 fixedly connected to the outer wall of the adjusting sleeve 601, the inner wall of the limiting plate 701 is penetrated with a plurality of limiting holes 702, the plurality of limiting holes 702 are annularly arrayed on the inner wall of the limiting plate 701, the inner walls of the plurality of limiting holes 702 are all fixedly connected with three sliding sleeves 703, each of the three sliding sleeves 703 is annularly arrayed on the inner wall of the limiting hole 702, the limiting assembly 7 also includes a sliding rod 70 slidably connected to the inner wall of each sliding sleeve 703 4. The outer wall of each sliding sleeve 703 is sleeved with a spring 705, one end of each spring 705 is fixedly connected with a one-third limiting arc 706, the outer wall of each one-third limiting arc 706 is fixedly connected to one end of the sliding rod 704, and the other end of each spring 705 is fixedly connected to the inner wall of the limiting hole 702. When the turntable 401 drives the test tube to rotate, the slip ring 501 arranged on the outer wall of the turntable 401 is used to support the turntable 401 during the rotation of the turntable 401 to ensure the stability of the rotation of the turntable 401. At the same time, when it is necessary to When adjusting the height of the test tube, first remove the fixing screw 602, then move the adjusting sleeve 601 upward or downward to adjust the two to the appropriate height with respect to the turntable 401, then put the fixing screw 602 into the corresponding screw hole on the adjusting sleeve 601, and then rotate the thread to fix the adjusting sleeve 601, the rotating shaft 3 and the fixing screw 602 together, thereby completing the height adjustment. At the same time, the placement grooves 402 inside the turntable 401 are consistent in number and correspond one to one with the limiting holes 702 in the two limiting plates 701, so as to facilitate the vertical placement of the test tube.

[0027] like Figure 1 and Figure 6 As shown, the titration assembly 10 includes a titration bottle 1001 fixedly connected to the top of the support 9, a burette 1002 is fixedly connected to the bottom opening of the titration bottle 1001, a first valve 1003 is installed on the inner wall of the burette 1002, the titration assembly 10 also includes a burette port 1004 fixedly connected to the bottom end of the burette 1002, a second valve 1005 is installed on the inner wall of the burette port 1004, and a scale is set on the burette 1002, so that the detection liquid accumulates inside the burette 1002 after the first valve 1003 is opened, and when titrating, the amount of the titrated liquid is judged according to the scale on the burette 1002.

[0028] In this embodiment, when in use, the detection liquid is first introduced into the titration bottle 1001, and then the sample is poured into the test tube, and the bottom of the test tube is aligned with a certain limiting hole 702 in the top limiting plate 701, so that the bottom of the test tube is aligned with the space formed by the three one-third limiting arcs 706 in the limiting hole 702, and the test tube is moved downward so that the test tube body passes through the space formed by the one-third limiting arc 706, and at the same time, the one-third limiting arc 706 is squeezed by the test tube body, so that the one-third limiting arc 706 squeezes the spring 705, so that the spring 705 moves toward the edge of the limiting hole 702, and at the same time, part of the sliding rod 704 slides into the inner wall of the sliding sleeve 703, so that the three one-third limiting arcs 706 form enough space to fix the test tube, and at the same time, when the test tube passes through the first limiting arc After the limiting hole 702 of the positioning plate 701 is opened, the same method is repeated to pass through the limiting hole 702 of the second limiting plate 701, and the test tube is continued to be moved downward so that the bottom of the test tube is placed in the placement groove 402 inside the turntable 401. At this time, the motor 2 is started so that the output end of the motor 2 drives the rotating shaft 3 to rotate, and the turntable 401 and the limiting plate 701 are driven to rotate through the rotating shaft 3, so that the fixed test tube rotates with the rotating shaft 3 as the center of the circle. At this time, the first valve 1003 is opened again to allow the detection liquid inside the titration bottle 1001 to enter the burette 1002, and after a large amount of detection liquid is accumulated inside the burette 1002, the first valve 1003 is closed, and then the second valve 1005 is opened to allow the detection liquid to drip into the test tube through the burette port 1004 to complete the titration.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic sample dropping device for cosmetics testing, comprising an operating table (1), characterized in that A motor (2) is installed at the bottom end of the operating table (1); a rotating shaft (3) is fixedly connected to the output end of the motor (2); a supporting assembly (4) is arranged on the outer wall of the rotating shaft (3) for supporting a test tube; a stabilizing assembly (5) is arranged on the outer wall of the supporting assembly (4) for stabilizing the supporting assembly (4); an adjusting assembly (6) is arranged above the supporting assembly (4) for adjusting the height of the test tube; two limiting assemblies (7) are arranged outside the adjusting assembly (6) for limiting the position of the test tube body; two electric telescopic rods (8) are fixedly connected to the top end of the rear side of the operating table (1); the top ends of the two electric telescopic rods (8) are fixedly connected to a support (9); and a titration assembly (10) is arranged in front of the two electric telescopic rods (8) for titrating the cosmetics in the test tube.

2. The automatic sample dropping device for cosmetics detection according to claim 1, characterized in that: The support assembly (4) comprises a turntable (401) fixedly connected to the outer wall of the rotating shaft (3), a plurality of placement grooves (402) are provided on the outer wall at the top end of the turntable (401), and the plurality of placement grooves (402) are arranged in a circular array at the top end of the turntable (401).

3. The automatic sample dropping device for cosmetics detection according to claim 2, characterized in that: The stabilizing assembly (5) comprises a slip ring (501) rotatably connected to the outer wall of the turntable (401), a plurality of stabilizing columns (502) being fixedly connected to the bottom end of the slip ring (501), the plurality of stabilizing columns (502) being arranged in a circular array at the bottom end of the slip ring (501), and the bottom ends of the plurality of stabilizing columns (502) being fixedly connected to the outer wall of the operating table (1).

4. The automatic sample dropping device for cosmetics detection according to claim 1, characterized in that: The adjustment assembly (6) comprises an adjustment sleeve (601) sleeved on the outer wall of the rotating shaft (3), and the outer wall of the adjustment sleeve (601) is threadedly connected to a fixing screw (602).

5. The automatic sample dropping device for cosmetics detection according to claim 4, characterized in that: The limiting assembly (7) comprises a limiting plate (701) fixedly connected to the outer wall of the adjusting sleeve (601); a plurality of limiting holes (702) are formed through the inner wall of the limiting plate (701); the plurality of limiting holes (702) are arranged in an annular array on the inner wall of the limiting plate (701); the inner walls of the plurality of limiting holes (702) are each fixedly connected to three sliding sleeves (703); and each of the three sliding sleeves (703) is arranged in an annular array on the inner wall of the limiting hole (702).

6. The automatic sample dropping device for cosmetics detection according to claim 5, characterized in that: The limiting assembly (7) further comprises a sliding rod (704) slidably connected to the inner wall of each sliding sleeve (703); the outer wall of each sliding sleeve (703) is sleeved with a spring (705); one end of each spring (705) is fixedly connected to a one-third limiting arc (706); the outer wall of each one-third limiting arc (706) is fixedly connected to one side end of the sliding rod (704); and the other end of each spring (705) is fixedly connected to the inner wall of the limiting hole (702).

7. The automatic sample dropping device for cosmetics detection according to claim 1, characterized in that: The titration assembly (10) comprises a titration bottle (1001) fixedly connected to the top of the support (9), a burette (1002) fixedly connected to the bottom opening of the titration bottle (1001), and a first valve (1003) installed on the inner wall of the burette (1002).

8. The automatic sample dropping device for cosmetics detection according to claim 7, characterized in that: The titration assembly (10) further comprises a titration port (1004) fixedly connected to the bottom end of the burette (1002), and a second valve (1005) is installed on the inner wall of the titration port (1004).

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