Automatic titration device for food inspection

Abstract

The utility model relates to the field and discloses an automatic titration device for food inspection, which comprises a supporting plate and a bottom plate which are correspondingly arranged up and down, a supporting column is arranged between the supporting plate and the bottom plate, a supporting cover is arranged at the upper end of the supporting plate, liquid storage tanks which are correspondingly arranged on two sides are fixedly connected to the supporting cover, and pump bodies are arranged at the lower ends of the liquid storage tanks. The output end of the pump body is fixedly connected with a burette, a rotating hole is formed in the position, under the liquid storage tank, of the supporting plate, a rotating sleeve is rotationally connected into the rotating hole, a rotating mechanism for driving the rotating sleeve to rotate is arranged on the supporting plate, inspection cups are inserted into the rotating sleeve, and limiting mechanisms are arranged between the inspection cups and the rotating sleeve; the lower end of the liquid storage tank is fixedly connected with a connecting rod, the lower end of the connecting rod is slidably sleeved with a movable sleeve rod extending into the inspection cup, and the outer wall of the movable sleeve rod is fixedly connected with stirring blades. Compared with the prior art, the automatic titration device has the advantages that stirring treatment can be automatically carried out after a reagent is titrated, and the detection efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to food inspection technical field, specifically point to a kind of automatic titration device for food inspection. BACKGROUND

[0002] Titration analysis is that known accurate concentration standard solution is added to the solution of measured substance until the amount of added solution substance is exactly reacted completely according to stoichiometric relationship, then according to the concentration of added standard solution and the volume consumed, the analysis method for calculating the content of measured substance. Titration analysis is often used in the test of detecting food, drug safety.

[0003] In the prior art, after the detection reagent is dropped, the staff needs to manually stir the detection sample, which is time-consuming and laborious, and it is difficult to stir the reagent uniformly, which greatly affects the detection efficiency. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] The technical problem to be solved by the utility model is that the existing titration device needs to be manually stirred by the staff after titration reagent, which is time-consuming and laborious, and the stirring effect is poor, which greatly affects the inspection efficiency.

[0006] (II) technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme: an automatic titration device for food inspection, comprising a support plate and a bottom plate arranged in correspondence with each other, a support column is arranged between the support plate and the bottom plate, a support cover is arranged at the upper end of the support plate, two side liquid storage tanks are fixedly connected to the support cover, a pump body is arranged at the lower end of each liquid storage tank, a titration tube is fixedly connected to the output end of the pump body, a rotating hole is arranged on the support plate below the liquid storage tank, a rotating sleeve is rotatably connected in the rotating hole, a rotating mechanism is arranged on the support plate to drive the rotating sleeve to rotate, a test cup is inserted into the rotating sleeve, a limiting mechanism is arranged between the test cup and the rotating sleeve, a connecting rod is fixedly connected to the lower end of the liquid storage tank, a movable sleeve rod extending into the test cup is slidably sleeved at the lower end of the connecting rod, a stirring blade is fixedly connected to the outer wall of the movable sleeve rod, and a reciprocating mechanism is arranged in the support cover to drive the movable sleeve rod to slide up and down.

[0008] As an improvement, the reciprocating mechanism comprises an adjusting frame fixedly connected between the two movable sleeve rods, a fixed frame is fixedly connected to the inner upper end of the support cover, a rocker is rotatably connected to one side of the fixed frame, an adjusting block slidably connected in the adjusting frame is rotatably connected to one end of the rocker, and a first motor is fixedly connected to the fixed frame to drive the rocker to rotate.

[0009] As improvement, the rotating mechanism comprises a gear ring fixedly sleeved on the outer wall of the rotating sleeve, a second motor fixedly connected on the center of the supporting plate, and a gear engaged with the gear ring fixedly connected on the output end of the second motor.

[0010] As improvement, the adjusting frame is fixedly connected with fixed sleeves sleeved on the outer wall of the movable sleeve rod at both ends, and the fixed sleeves are threadedly connected with fixed bolts at one side.

[0011] As improvement, the limiting mechanism comprises clamping blocks fixedly connected on the upper end of the testing cup and arranged on both sides correspondingly, and the rotating sleeve is provided with clamping grooves arranged on both sides correspondingly and matched with the clamping blocks.

[0012] As improvement, the rotating sleeve is provided with through grooves arranged on both sides correspondingly and matched with the clamping blocks.

[0013] As improvement, the adjusting frame is fixedly connected with limiting telescopic rods between both ends and the liquid storage tanks.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the reagent in the liquid storage tank can be dropped into the testing cup containing the sample through the pump body and the burette, the rotating sleeve is driven to rotate by the rotating mechanism to drive the testing cup to rotate, the reagent in the testing cup is stirred uniformly by the stirring blade, the stirring is more uniform and complete through the reciprocating mechanism to drive the movable sleeve rod to drive the stirring blade to reciprocate up and down, and the testing efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is an explosion view of the automatic titration device for food testing.

[0017] Figure 2 is a structural schematic view of the automatic titration device for food testing.

[0018] Figure 3 is a sectional view of the automatic titration device for food testing.

[0019] Figure 4 is an enlarged view of A of the automatic titration device for food testing.

[0020] Figure 5 is a structural schematic view of the rotating sleeve of the automatic titration device for food testing.

[0021] As shown: 1, the bottom plate; 2, support plate; 3, support column; 4, support cover; 5, liquid storage tank; 6, pump body; 7, burette; 8, rotating hole; 9, rotating sleeve; 10, test cup; 11, connecting rod; 12, movable sleeve rod; 13, stirring blade; 14, second motor; 15, gear; 16, gear ring; 17, clamping block; 18, clamping groove; 19, through slot; 20, adjusting frame; 21, first motor; 22, rocker; 23, adjusting block; 24, limit telescopic rod; 25, fixing bolt; 26, fixed sleeve; 27, fixed frame. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] As Figures 1 to 5 shown, an automatic titration device for food inspection, including up and down corresponding arrangement of support plate 2 and bottom plate 1, support plate 2 and bottom plate 1 between being equipped with support column 3, the upper end of support plate 2 is equipped with support cover 4, support cover 4 is fixedly connected with both sides corresponding arrangement of liquid storage tank 5, the lower end of liquid storage tank 5 is equipped with pump body 6, the output end of pump body 6 is fixedly connected with burette 7, the lower side of support plate 2 is equipped with rotating hole 8, rotating hole 8 is rotatably connected with rotating sleeve 9, the support plate 2 is equipped with rotating mechanism for driving rotating sleeve 9 to rotate, the rotating mechanism includes gear ring 16 fixedly sleeved on the outer wall of rotating sleeve 9, the center of support plate 2 is fixedly connected with second motor 14, the output end of second motor 14 is fixedly connected with gear 15 engaged with gear ring 16, rotating sleeve 9 is inserted with test cup 10, the limit mechanism is arranged between test cup 10 and rotating sleeve 9, the limit mechanism includes clamping block 17 fixedly connected with both sides corresponding arrangement on the upper end of test cup 10, the upper end of rotating sleeve 9 is equipped with both sides corresponding arrangement of clamping groove 18 matched with clamping block 17, both sides of rotating sleeve 9 are equipped with through slot 19 penetrating rotating sleeve 9 and staggered with clamping groove 18 and matched with clamping block 17.

[0024] The lower end of the liquid storage tank 5 is fixedly connected with a connecting rod 11, the lower end of the connecting rod 11 is slidably sleeved with a movable sleeve rod 12 extending into the test cup 10, the outer wall of the movable sleeve rod 12 is fixedly connected with stirring blades 13, the support cover 4 is provided with a reciprocating mechanism driving the movable sleeve rod 12 to slide up and down, the reciprocating mechanism comprises an adjusting frame 20 fixedly connected between the two movable sleeve rods 12, limit extension rods 24 are fixedly connected between the two ends of the adjusting frame 20 and the two liquid storage tanks 5 respectively, a fixed frame 27 is fixedly connected to the upper end of the support cover 4, a rocker 22 is rotatably connected to one side of the fixed frame 27, an adjusting block 23 slidably connected in the adjusting frame 20 is rotatably connected to one end of the rocker 22, and a first motor 21 driving the rocker 22 to rotate is fixedly connected to the fixed frame 27.

[0025] Embodiment two

[0026] On the basis of embodiment one, please refer to the accompanying drawings Figure 1 、 2 The two ends of the adjusting frame 20 are fixedly connected with fixed sleeves 26 slidably sleeved on the outer wall of the movable sleeve rod 12, and the one side of the fixed sleeve 26 is threadedly connected with a fixed bolt 25, when only one side of the test cup 10 needs to be stirred, the fixed bolt 25 on the other side is loosened, so that the adjusting frame 20 cannot drive the movable sleeve rod 12 on the other side to shake up and down.

[0027] In specific use, the test cup 10 needing to be loaded with a detection sample is inserted into the lower end of the support plate 2, the two clamping blocks 17 are aligned with the two through grooves 19, the two clamping blocks 17 are inserted into the two through grooves 19, and the test cup 10 is inserted into the rotating sleeve 9, when the clamping blocks 17 are extended from the upper end of the through groove 19, the test cup 10 is rotated, the two clamping blocks 17 are clamped into the two clamping grooves 18, the test cup 10 can be fixed in the rotating sleeve 9, the titration tube 7 and the stirring blades 13 are inserted into the test cup 10, the pump body 6 is started to draw titration liquid, the titration liquid is dropped into the test cup 10 through the titration tube 7, the second motor 14 is started to drive the gear 15 to rotate, the gear 15 drives the two gear rings 16 to rotate, under the limiting of the clamping blocks 17 and the clamping grooves 18, the rotating sleeve 9 drives the test cup 10 to rotate, the stirring blades 13 stir the reagent in the test cup 10, the first motor 21 is started to drive the rocker 22 to rotate, the rocker 22 drives the adjusting block 23 to reciprocate left and right along the inner wall of the adjusting frame 20, the adjusting frame 20 drives the two movable sleeve rods 12 to reciprocate up and down along the outer wall of the connecting rod 11, the reagent can be stirred in multiple directions, and the mixing effect is greatly improved.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

[0030] The above description of the present application and its embodiments has been described, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creating a similar structure and embodiment of the technical solution, which should belong to the protection scope of the present application.

Claims

1. An automatic titration device for food inspection, comprising a support plate (2) and a bottom plate (1) arranged in correspondence, a support column (3) is arranged between the support plate (2) and the bottom plate (1), and a support cover (4) is arranged at the upper end of the support plate (2), characterized in that: The support cover (4) is fixedly connected with two liquid storage tanks (5) arranged in correspondence on both sides, the lower end of the liquid storage tank (5) is provided with a pump body (6), the output end of the pump body (6) is fixedly connected with a titration tube (7), the lower side of the liquid storage tank (5) is provided with a rotating hole (8), the rotating hole (8) is rotatably connected with a rotating sleeve (9), the support plate (2) is provided with a rotating mechanism for driving the rotating sleeve (9) to rotate, the rotating sleeve (9) is inserted with an inspection cup (10), a limiting mechanism is arranged between the inspection cup (10) and the rotating sleeve (9), the lower end of the liquid storage tank (5) is fixedly connected with a connecting rod (11), the lower end of the connecting rod (11) is slidably sleeved with a movable sleeve rod (12) extending into the inspection cup (10), the outer wall of the movable sleeve rod (12) is fixedly connected with a stirring blade (13), and the support cover (4) is provided with a reciprocating mechanism for driving the movable sleeve rod (12) to slide up and down.

2. An automatic titration apparatus for food testing according to claim 1, characterized in that: The reciprocating mechanism comprises an adjusting frame (20) fixedly connected between the two movable sleeve rods (12), a fixed frame (27) is fixedly connected to the inner wall of the support cover (4), a rocker (22) is rotatably connected to one side of the fixed frame (27), one end of the rocker (22) is rotatably connected with an adjusting block (23) slidably connected in the adjusting frame (20), and the fixed frame (27) is fixedly connected with a first motor (21) for driving the rocker (22) to rotate.

3. An automatic titration apparatus for food testing according to claim 1, characterized in that: The rotating mechanism comprises a gear ring (16) fixedly sleeved on the outer wall of the rotating sleeve (9), a second motor (14) is fixedly connected to the center of the support plate (2), and the output end of the second motor (14) is fixedly connected with a gear (15) engaged with the gear ring (16).

4. An automatic titration apparatus for food inspection according to claim 2, characterized in that: The two ends of the adjusting frame (20) are fixedly connected with fixed sleeves (26) slidably sleeved on the outer wall of the movable sleeve rod (12), and the one side of the fixed sleeve (26) is threadedly connected with a fixed bolt (25).

5. An automatic titration apparatus for food testing according to claim 1, characterized in that: The limiting mechanism comprises clamping blocks (17) fixedly connected to the upper end of the inspection cup (10) and arranged in correspondence on both sides, and the upper end of the rotating sleeve (9) is provided with clamping grooves (18) arranged in correspondence on both sides and matched with the clamping blocks (17).

6. An automatic titration apparatus for food testing according to claim 5, wherein: The two sides of the rotating sleeve (9) are provided with through grooves (19) matched with the clamping blocks (17) and staggered with the clamping grooves (18).

7. An automatic titration apparatus for food testing according to claim 2, wherein: The two ends of the adjusting frame (20) and the two liquid storage tanks (5) are respectively fixedly connected with limiting telescopic rods (24).

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