An automated quantitative liquid dispensing device

Abstract

The utility model discloses an automated quantitative liquid dispensing device, which belongs to the technical field of automated quantitative liquid dispensing. The technical scheme thereof includes a quantitative liquid dispensing machine body, a U-shaped connecting block is fixedly connected to the rear side of the inner wall of the quantitative liquid dispensing machine body, a positioning block is fixedly connected to the bottom of the inner wall of the U-shaped connecting block, a rotating assembly is fixedly connected to the surface of the positioning block, and a collecting assembly is clamped on the surface of the rotating assembly; the rotating assembly includes a forward and reverse motor, the bottom of the forward and reverse motor is fixedly connected to the top of the U-shaped connecting block, so as to solve the problem that after the existing automated quantitative liquid dispensing device injects liquid, there is usually residual liquid in the injection pipe, and most automated quantitative liquid dispensing devices are not convenient for collecting the residual liquid, so that the residual liquid drips on the workbench, causing pollution of the working environment and waste of the required liquid.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic quantitative liquid dispensing, in particular to an automatic quantitative liquid dispensing device. Background Art

[0002] An automated quantitative liquid dispensing device is a device used to accurately prepare liquid samples or solutions. It is usually used in laboratories, industrial production or other occasions that require precise preparation and mixing of liquids, and it can automatically add liquids according to preset ratios and volumes.

[0003] At present, a Chinese utility model with announcement number: CN214345883U discloses an automated quantitative liquid dispensing device, including a base plate, a proportioning box fixedly connected to the top of the base plate, a processor fixedly connected to the front of the proportioning box, the processor including an operation panel and a display screen, and side plates fixedly connected to both sides of the top of the base plate and located on both sides of the proportioning box. In this utility model, by arranging the base plate, proportioning box, processor, side plate, support plate, platform electronic scale, metering box, conduit, solenoid valve, material box, liquid level sensor, partition, delivery pump, motor, rotating shaft, stirring rod, bearing seat and support rod, the advantage of having automatic proportioning function is achieved, and the problem of existing liquid dispensing devices not having automatic proportioning function, requiring manual addition, having great safety hazards, easily causing leakage, resulting in poor surrounding environment, increasing the labor of workers, and being inconvenient for people to use is solved.

[0004] After the existing automated quantitative liquid dispensing device injects the liquid, there is usually residual liquid in the injection tube. Most automated quantitative liquid dispensing devices are not convenient for collecting the residual liquid, which causes the residual liquid to drip onto the workbench, causing pollution to the working environment and waste of the required liquid. Therefore, an automated quantitative liquid dispensing device is proposed. Utility Model Content

[0005] The utility model provides an automated quantitative liquid dispensing device, aiming to solve the problem that after the existing automated quantitative liquid dispensing device injects the liquid, there is usually residual liquid in the injection tube, and most automated quantitative liquid dispensing devices are not convenient for collecting the residual liquid, which causes the residual liquid to drip onto the workbench, causing pollution to the working environment and waste of the required liquid.

[0006] The utility model is implemented as follows: an automated quantitative liquid dispensing device comprises a quantitative liquid dispensing machine body, a U-shaped connecting block is fixedly connected to the rear side of the inner wall of the quantitative liquid dispensing machine body, a positioning block is fixedly connected to the bottom of the inner wall of the U-shaped connecting block, a rotating assembly is fixedly connected to the surface of the positioning block, and a collecting assembly is clamped on the surface of the rotating assembly;

[0007] The rotating assembly includes a forward and reverse motor, the bottom of which is fixedly connected to the top of the U-shaped connecting block, the output end of the forward and reverse motor passes through the top of the U-shaped connecting block and is fixedly connected to an adjusting plate, an annular cavity is provided at the bottom of the adjusting plate, a connecting bearing is fixedly connected to the inner wall of the annular cavity, the inner wall of the connecting bearing is fixedly connected to the surface of the positioning block, an annular hole is provided at the top of the other end of the adjusting plate, and a clamping block is fixedly connected to the inner wall of the annular hole.

[0008] In order to collect the dripping residual liquid, as a preferred automated quantitative liquid dispensing device of the utility model, the collecting component includes a collecting tank, the surface of the collecting tank is provided with a clamping groove, the inner wall of the clamping groove is clamped with the surface of the clamping block, the surface of the collecting tank is fixedly connected with a fixing ring, the top of the fixing ring is provided with an arc-shaped groove, the inner wall of the arc-shaped groove is fixedly connected with an arc-shaped magnet, the top of the fixing ring is provided with a mounting hole, the inner wall of the mounting hole is rotatably connected with a rotating rod, the top of the rotating rod is fixedly connected with a sealing plate, and the sealing plate is magnetically connected to the arc-shaped magnet.

[0009] In order to support the U-shaped connecting block, as a preferred automatic quantitative liquid dispensing device of the utility model, the bottom of the U-shaped connecting block is fixedly connected to a support column, and the bottom of the support column is fixedly connected to the bottom of the inner wall of the quantitative liquid dispensing machine body.

[0010] In order to reinforce the position of the collecting tank, as a preferred automatic quantitative liquid dispensing device of the utility model, a threaded hole is opened on the surface of the other end of the adjustment plate, and a reinforcing bolt is threadedly connected to the inner wall of the threaded hole.

[0011] In order to guide the rotation position of the reinforcing bolt, as a preferred automatic quantitative liquid dispensing device of the utility model, one end of the reinforcing bolt is fixedly connected to a matching block, and a groove is provided on the surface of the matching block.

[0012] In order to achieve the effect of reinforcing the surface of the clamping block, as a preferred automatic quantitative liquid dispensing device of the utility model, a protective pad is fixedly connected to the surface of the clamping block, and two protective pads are provided.

[0013] In order to increase the friction force at the bottom of the inner wall of the quantitative liquid dispensing machine body, as a preferred automated quantitative liquid dispensing device of the utility model, the bottom of the inner wall of the quantitative liquid dispensing machine body is fixedly connected with an anti-slip sleeve used therewith, and the surface of the anti-slip sleeve is provided with a plurality of anti-slip protrusions.

[0014] In order to achieve the effect of assisting in guiding the rotational position of the sealing plate, as a preferred automatic quantitative liquid dispensing device of the utility model, the top of the sealing plate is fixedly connected with a guide rod, and the guide rod is set to be cylindrical.

[0015] In order to protect the surface of the guide rod, as a preferred automatic quantitative liquid dispensing device of the utility model, the surface of the guide rod is fixedly connected with a matching sleeve used together with the guide rod, and the matching sleeve is made of rubber material.

[0016] In order to reinforce the surface of the collecting tank, as a preferred automatic quantitative liquid dispensing device of the utility model, a reinforcement sleeve is fixedly connected to the surface of the collecting tank, the reinforcement sleeve is used in conjunction with the collecting tank, and the reinforcement sleeve is made of stainless steel.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The automated quantitative liquid dispensing device, by providing a quantitative liquid dispensing machine body, a U-shaped connecting block, a positioning block, a rotating assembly and a collecting assembly, can fix the U-shaped connecting block through the setting of the quantitative liquid dispensing machine body, and can fix the positioning block through the setting of the U-shaped connecting block, and can limit the rotation position of the rotating assembly, can provide auxiliary guidance for the installation position of the rotating assembly through the setting of the positioning block, can drive the collecting assembly to rotate under the limit of the U-shaped connecting block after starting, and can collect the residual liquid in the injection tube of the quantitative liquid dispensing machine body through the setting of the collecting assembly, so as to avoid the residual liquid from dripping onto the workbench, causing pollution to the working environment and waste of liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall structural diagram of the automated quantitative liquid dispensing device of the utility model;

[0020] Figure 2 For this utility model Figure 1 Front view of

[0021] Figure 3 It is a schematic diagram of the connection between the quantitative liquid dispensing machine body and the U-shaped connecting block in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the rotating assembly in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the collecting component in the utility model.

[0024] In the figure, 1. quantitative liquid dispensing machine body; 2. U-shaped connecting block; 3. positioning block; 4. rotating assembly; 401. forward and reverse motor; 402. adjusting plate; 403. annular cavity; 404. connecting bearing; 405. annular hole; 406. clamping block; 5. collecting assembly; 501. collecting tank; 502. clamping groove; 503. fixing ring; 504. arc groove; 505. arc magnet; 506. mounting hole; 507. rotating rod; 508. sealing plate; 6. supporting column; 7. threaded hole; 8. reinforcing bolt; 9. matching block; 10. protective pad; 11. anti-slip sleeve; 12. guide rod; 13. matching sleeve; 14. reinforcing sleeve. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0027] See also Figure 1-5 The utility model provides a technical solution: an automated quantitative liquid dispensing device, comprising a quantitative liquid dispensing machine body 1, a U-shaped connecting block 2 is fixedly connected to the rear side of the inner wall of the quantitative liquid dispensing machine body 1, a positioning block 3 is fixedly connected to the bottom of the inner wall of the U-shaped connecting block 2, a rotating component 4 is fixedly connected to the surface of the positioning block 3, and a collecting component 5 is clamped on the surface of the rotating component 4;

[0028] The rotating component 4 includes a forward and reverse motor 401, the bottom of which is fixedly connected to the top of the U-shaped connecting block 2, the output end of the forward and reverse motor 401 passes through the top of the U-shaped connecting block 2, and is fixedly connected to an adjusting plate 402, an annular cavity 403 is provided at the bottom of the adjusting plate 402, a connecting bearing 404 is fixedly connected to the inner wall of the annular cavity 403, the inner wall of the connecting bearing 404 is fixedly connected to the surface of the positioning block 3, an annular hole 405 is provided at the top of the other end of the adjusting plate 402, and a clamping block 406 is fixedly connected to the inner wall of the annular hole 405.

[0029] In this embodiment: by setting the quantitative liquid dispensing machine body 1, the U-shaped connecting block 2, the positioning block 3, the rotating component 4 and the collecting component 5, the setting of the quantitative liquid dispensing machine body 1 can fix the U-shaped connecting block 2, and the setting of the U-shaped connecting block 2 can fix the positioning block 3, and the rotation position of the rotating component 4 can be limited, the setting of the positioning block 3 can assist in guiding the installation position of the rotating component 4, the setting of the rotating component 4 can drive the collecting component 5 to rotate under the limit of the U-shaped connecting block 2 after starting, and the setting of the collecting component 5 can collect the residual liquid in the injection tube of the quantitative liquid dispensing machine body 1, thereby avoiding the residual liquid from dripping on the workbench, causing pollution to the working environment and wasting the liquid.

[0030] As a technical optimization solution of the utility model, the collecting component 5 includes a collecting tank 501, a snap-in groove 502 is provided on the surface of the collecting tank 501, the inner wall of the snap-in groove 502 is snap-fitted with the surface of the snap-in block 406, a fixing ring 503 is fixedly connected to the surface of the collecting tank 501, an arc-shaped groove 504 is provided on the top of the fixing ring 503, an arc-shaped magnet 505 is fixedly connected to the inner wall of the arc-shaped groove 504, a mounting hole 506 is provided on the top of the fixing ring 503, a rotating rod 507 is rotatably connected to the inner wall of the mounting hole 506, a sealing plate 508 is fixedly connected to the top of the rotating rod 507, and the sealing plate 508 is magnetically connected to the arc-shaped magnet 505.

[0031] In this embodiment: by setting up the collecting component 5, the sealing plate 508 can be rotated, so that the sealing plate 508 can drive the rotating rod 507 to rotate, and when the rotating rod 507 rotates, the rotating position can be limited by the mounting hole 506 so that the rotation position will not be offset. After the sealing plate 508 is rotated, the fixation with the arc magnet 505 can be released, so that the collecting port of the collecting tank 501 is exposed, and then the dripping liquid can be collected and stored inside through the collecting tank 501, and under the setting of the snap-in groove 502, the collecting tank 501 can be easily snapped with the snap-in block 406, and through the setting of the fixing ring 503, the arc magnet 505 can be fixed through the arc groove 504, thereby improving the stability of the arc magnet 505.

[0032] As a technical optimization solution of the utility model, a support column 6 is fixedly connected to the bottom of the U-shaped connecting block 2 , and the bottom of the support column 6 is fixedly connected to the bottom of the inner wall of the quantitative liquid dispensing machine body 1 .

[0033] In this embodiment, the support column 6 is provided so that the U-shaped connecting block 2 can be supported.

[0034] As a technical optimization solution of the utility model, a threaded hole 7 is opened on the surface of the other end of the adjustment plate 402, and a reinforcing bolt 8 is threadedly connected to the inner wall of the threaded hole 7.

[0035] In this embodiment: by setting the threaded hole 7 and the reinforcing bolt 8, the threaded hole 7 and the reinforcing bolt 8 can be set so that the reinforcing bolt 8 can contact the surface of the collection tank 501 through the thread of the threaded hole 7, and through the contact, the reinforcing bolt 8 can reinforce the position of the collection tank 501, thereby preventing the collection tank 501 from shaking when in use.

[0036] As a technical optimization solution of the utility model, one end of the reinforcing bolt 8 is fixedly connected to a matching block 9, and a groove is provided on the surface of the matching block 9.

[0037] In this embodiment, by providing the matching block 9, the matching block 9 can drive the reinforcing bolt 8 to rotate when it rotates, thereby guiding the rotation position of the reinforcing bolt 8.

[0038] As a technical optimization solution of the present invention, a protective pad 10 is fixedly connected to the surface of the clamping block 406 , and two protective pads 10 are provided.

[0039] In this embodiment, the protective pad 10 is provided to reinforce the surface of the clamping block 406, thereby preventing the surface of the clamping block 406 from being worn due to long-term clamping.

[0040] As a technical optimization solution of the utility model, the bottom of the inner wall of the quantitative liquid dispensing machine body 1 is fixedly connected with an anti-skid sleeve 11 used in conjunction therewith, and the surface of the anti-skid sleeve 11 is provided with a plurality of anti-skid protrusions.

[0041] In this embodiment, the anti-skid cover 11 is provided to increase the friction force at the bottom of the inner wall of the quantitative liquid dispensing machine body 1, thereby preventing the liquid receiving container from sliding sideways when placed.

[0042] As a technical optimization solution of the present invention, a guide rod 12 is fixedly connected to the top of the sealing plate 508, and the guide rod 12 is set to be cylindrical.

[0043] In this embodiment, by setting the guide rod 12, the guide rod 12 can assist in guiding the staff to rotate the sealing plate 508 by rotating the guide rod 12.

[0044] As a technical optimization solution of the utility model, a matching sleeve 13 used in conjunction with the guide rod 12 is fixedly connected to the surface of the guide rod 12, and the matching sleeve 13 is made of rubber material.

[0045] In this embodiment: by setting the matching sleeve 13, the matching sleeve 13 can protect the surface of the guide rod 12 to avoid damage to the surface of the guide rod 12, and the matching sleeve 13 is made of rubber material, which has strong protective properties, thereby improving the protective performance of the guide rod 12.

[0046] As a technical optimization solution of the present invention, a reinforcing sleeve 14 is fixedly connected to the surface of the collecting tank 501. The reinforcing sleeve 14 is used in conjunction with the collecting tank 501, and the reinforcing sleeve 14 is made of stainless steel.

[0047] In this embodiment: by setting the reinforcement sleeve 14, the surface of the collection tank 501 can be reinforced through the setting of the reinforcement sleeve 14, so as to avoid damage to the surface of the collection tank 501 caused by the contact between the reinforcement bolts 8 and the surface of the collection tank 501, and the reinforcement sleeve 14 is made of stainless steel material, which has good mechanical strength and can withstand large external forces and pressures.

[0048] Working principle: First, set the quantitative liquid dispensing machine body 1 to the required value, and then after the quantitative liquid dispensing machine body 1 is started, quantitative liquid dispensing can be performed, and then after the quantitative liquid dispensing, the forward and reverse motor 401 can be started, and then the forward and reverse motor 401 drives the adjustment plate 402 to rotate under the fixation of the U-shaped connecting block 2, and through the connection between the annular cavity 403 and the connecting bearing 404, when the adjustment plate 402 rotates, the annular cavity 403 and the connecting bearing 404 can be driven to rotate, and through the connection between the connecting bearing 404 and the positioning block 3, the rotation position of the connecting bearing 404 will not be offset, and then when the adjustment plate 402 rotates, the annular hole 405 and the clamping block 406 can be connected, so that the adjustment plate 402 drives the annular hole 405 and the clamping block 406 to rotate, and through the clamping The connection between the connecting block 406 and the connecting groove 502 causes the connecting block 406 to drive the collecting tank 501 to rotate. Then, when the rotating position of the collecting tank 501 is kept perpendicular to the quantitative liquid dispensing machine body 1, the forward and reverse motor 401 is turned off, and the sealing plate 508 is rotated. When the sealing plate 508 is rotated, the rotating rod 507 can rotate in the mounting hole 506 on the fixing ring 503, and after the sealing plate 508 is rotated, the fixation with the arc magnet 505 can be released, and the arc magnet 505 is fixed by the arc groove 504 so that it will not move with the sealing plate 508, and then the collecting port of the collecting tank 501 can be exposed, and then the residual dripping liquid in the injection tube of the quantitative liquid dispensing machine body 1 can be collected through the collecting tank 501, and then the collection of the liquid is completed.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automated quantitative liquid dispensing device, comprising a quantitative liquid dispensing machine body (1), characterized in that: A U-shaped connection block (2) is fixedly connected to the rear side of the inner wall of the quantitative liquid dispensing machine body (1); a positioning block (3) is fixedly connected to the bottom of the inner wall of the U-shaped connection block (2); a rotating assembly (4) is fixedly connected to the surface of the positioning block (3); and a collecting assembly (5) is clamped on the surface of the rotating assembly (4); The rotating assembly (4) comprises a forward and reverse motor (401), the bottom of the forward and reverse motor (401) is fixedly connected to the top of the U-shaped connecting block (2), the output end of the forward and reverse motor (401) passes through the top of the U-shaped connecting block (2) and is fixedly connected to an adjusting plate (402), the bottom of the adjusting plate (402) is provided with an annular cavity (403), the inner wall of the annular cavity (403) is fixedly connected to a connecting bearing (404), the inner wall of the connecting bearing (404) is fixedly connected to the surface of the positioning block (3), the top of the other end of the adjusting plate (402) is provided with an annular hole (405), and the inner wall of the annular hole (405) is fixedly connected to a clamping block (406).

2. An automated quantitative liquid dispensing device according to claim 1, characterized in that: The collecting assembly (5) comprises a collecting tank (501), a surface of the collecting tank (501) is provided with a snap-fit ​​groove (502), the inner wall of the snap-fit ​​groove (502) is snap-fitted with the surface of the snap-fit ​​block (406), a fixing ring (503) is fixedly connected to the surface of the collecting tank (501), a top of the fixing ring (503) is provided with an arc-shaped groove (504), the inner wall of the arc-shaped groove (504) is fixedly connected with an arc-shaped magnet (505), a top of the fixing ring (503) is provided with a mounting hole (506), the inner wall of the mounting hole (506) is rotatably connected with a rotating rod (507), the top of the rotating rod (507) is fixedly connected with a sealing plate (508), and the sealing plate (508) is magnetically connected to the arc-shaped magnet (505).

3. The automated quantitative liquid dispensing device according to claim 1, characterized in that: The bottom of the U-shaped connection block (2) is fixedly connected to a support column (6), and the bottom of the support column (6) is fixedly connected to the bottom of the inner wall of the quantitative liquid dispensing machine body (1).

4. The automated quantitative liquid dispensing device according to claim 1, characterized in that: A threaded hole (7) is provided on the surface of the other end of the adjustment plate (402), and a reinforcing bolt (8) is threadedly connected to the inner wall of the threaded hole (7).

5. An automated quantitative liquid dispensing device according to claim 4, characterized in that: One end of the reinforcing bolt (8) is fixedly connected to a matching block (9), and a groove is provided on the surface of the matching block (9).

6. The automated quantitative liquid dispensing device according to claim 1, characterized in that: A protective pad (10) is fixedly connected to the surface of the clamping block (406), and two protective pads (10) are provided in total.

7. The automated quantitative liquid dispensing device according to claim 1, characterized in that: The bottom of the inner wall of the quantitative liquid dispensing machine body (1) is fixedly connected to an anti-slip sleeve (11) used in conjunction with the anti-slip sleeve, and a plurality of anti-slip convex points are arranged on the surface of the anti-slip sleeve (11).

8. An automated quantitative liquid dispensing device according to claim 2, characterized in that: A guide rod (12) is fixedly connected to the top of the sealing plate (508), and the guide rod (12) is configured to be cylindrical.

9. An automated quantitative liquid dispensing device according to claim 8, characterized in that: A matching sleeve (13) used in conjunction with the guide rod (12) is fixedly connected to the surface of the guide rod (12), and the matching sleeve (13) is made of rubber material.

10. An automated quantitative liquid dispensing device according to claim 2, characterized in that: A reinforcing sleeve (14) is fixedly connected to the surface of the collecting tank (501), the reinforcing sleeve (14) is used in conjunction with the collecting tank (501), and the reinforcing sleeve (14) is made of stainless steel.

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