Raw material mixing device for chemical experiment

Abstract

The utility model relates to the technical field of chemical experiments, and discloses a chemical experiment raw material mixing device which comprises a base, a supporting rod is arranged on one side of the base, a driver and a clamping piece are adjustably arranged on the supporting rod, a stirring shaft is arranged at the bottom end of the driver, a plurality of stirring plates are hinged to the bottom of the stirring shaft in the circumferential direction of the stirring shaft, and the clamping piece is arranged on the supporting rod. A connecting rod is hinged to each stirring plate and is hinged to an adjusting rod arranged in the stirring shaft; wherein the adjusting rod and the stirring shaft are coaxially arranged, and the adjusting rod can be adjusted in the height direction of the stirring shaft; in an initial state, the plurality of stirring plates are gathered outside the stirring shaft in a contraction state; according to the utility model, the stirring shaft is optimized, so that the stirring device can extend into experiment utensils with various shapes and sizes to carry out mixing operation, the application range of the stirring device is expanded, and the use flexibility of the stirring device is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical experiment technical field especially, relates to a raw material mixing device for chemical experiment. BACKGROUND

[0002] In the chemical experiment process, often need to carry out fully mixed reaction to various liquid or solid-liquid raw materials, to meet the subsequent experimental demand, the existing mixing mode is generally divided into two modes of stirring with the aid of equipment and manual shaking, since the mixing effect is poor in the manual shaking mode, and the intensity is not grasped, and the mixed liquid is easily spilled, therefore, in the present experimental operation, the equipment stirring gradually becomes the leading mode, and the existing mixing and stirring equipment is usually driven by a motor to rotate a stirring shaft, so as to realize the mixing operation of the raw materials, in order to ensure the stirring and mixing effect, the stirring blade is usually arranged at the bottom of the stirring shaft, so that the size of the bottom of the stirring shaft is increased, and then the size of the vessel containing the raw materials to be mixed is required to be high, for example, for the test tube, the triangular flask and other vessels with small openings, since the size of the bottom of the existing mixing equipment is large, the stirring shaft cannot be inserted into the interior, so that the mixing operation cannot be carried out, which brings great limitation to the use, therefore, an urgent need exists for a raw material mixing device which can meet the mixing use of vessels with different shapes and sizes. SUMMARY

[0003] The utility model aims at providing a raw material mixing device for chemical experiment, through the optimization of the stirring shaft, the mixing operation can be carried out in the experimental vessels with various shapes and sizes, the application range is expanded, and the flexibility of use is enhanced.

[0004] The utility model adopts the following technical scheme:

[0005] A raw material mixing device for chemical experiment, including the base, the base one side is provided with the support, the support is adjustably provided with the driver and the clamping piece, the driver bottom is provided with the stirring shaft, the stirring shaft bottom is hinged in its circumferential direction with a plurality of stirring plates, each stirring plate is hinged with a connecting rod, the connecting rod is hinged with the adjusting rod arranged in the stirring shaft, wherein, the adjusting rod is coaxially arranged with the stirring shaft, and the adjusting rod can be adjusted along the height direction of the stirring shaft, in the initial state, a plurality of stirring plates are gathered in the external of the stirring shaft in the contraction state.

[0006] Preferably, the coaxial rotation adjusting sleeve is arranged on the stirring shaft, the outer thread is arranged on the adjusting rod matched with the adjusting sleeve, and the adjusting sleeve drives the adjusting rod to move up and down during work, so that the state of the stirring plate is adjusted.

[0007] Preferably, a limiting block is arranged on the side wall of the top end of the adjusting rod, and a limiting groove is arranged on the inner wall of the stirring shaft above the adjusting sleeve, and the limiting block is slidably arranged in the limiting groove.

[0008] Preferably, anti-skid stripes are arranged on the outside of the adjusting sleeve.

[0009] Preferably, a heating disc is arranged on the base, and a switch for controlling the operation of the heating disc is arranged at the front end of the base.

[0010] Preferably, a containing groove is arranged on the base, the heating disc is arranged in the containing groove, and annular limiting pieces with gradually decreasing diameters are arranged in the containing groove.

[0011] Preferably, support convex rings are arranged on the inner wall of the containing groove and the inner wall of each annular limiting piece, positioning grooves are arranged on each support convex ring, and positioning rods matching the positioning grooves are arranged on the annular limiting pieces.

[0012] Preferably, the clamping piece comprises an adjusting sleeve movably sleeved on the outside of the supporting rod, a locking bolt is threadedly arranged on the adjusting sleeve, support plates are symmetrically arranged on the two sides of the adjusting sleeve, and clamping plates are adjustably arranged on the opposite end faces of the two support plates.

[0013] Preferably, a threaded rod is arranged on the support plate, the threaded rod is rotationally connected with the clamping plate, a guide rod is arranged on the clamping plate, and a guide hole is arranged on the support plate for movably penetrating the guide rod.

[0014] Preferably, the clamping plate is in an arc structure.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a plurality of stirring plates are hingedly arranged on the bottom of the stirring shaft, the size of the stirring shaft can be reduced by gathering the stirring plates in the initial state, the stirring shaft can be smoothly inserted into different size vessels, when the size of the bottom of the vessel is larger than the size of the top and the stirring plates need to be unfolded for stirring and mixing, the adjusting rod can be controlled to move downward, the connecting rod is driven to drive the stirring plates to unfold along the hinge points, and then the stirring and mixing operation is completed, the structure is simple, the operation is simple, the application range is wide, and the use flexibility is strong. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the embodiment of the utility model;

[0017] Fig. 2 It is a sectional view of the stirring shaft of the embodiment of the utility model;

[0018] Fig. 3 It is a structural schematic view of the limiting piece of the embodiment of the utility model. DETAILED DESCRIPTION

[0019] The utility model will make a clear and complete description in combination with the drawings and examples:

[0020] As Figs. 1 to 3 The utility model discloses a raw material mixing device for chemical experiment, including base 1, the vertical setting of base 1 one side has the support 2, the adjustable setting of support 2 has actuator 3 and clamping piece, and actuator 3 is used to drive stirring shaft 4 rotation, completes the stirring mixing work, wherein actuator 3 is the drive mechanism in prior art, including the shell, the adjustable setting of shell on support 2, the motor of driving stirring shaft 4 rotation is arranged in the shell, and the motor is connected with the control panel arranged on the shell to control the stirring time and the rotational speed, the clamping piece is used for clamping and positioning the vessel placed on base 1, guarantees the stability in the stirring process, specifically, the clamping piece includes the adjusting sleeve 5 of movable sleeve setting in the outside of support 2, and the locking bolt 6 is arranged on the adjusting sleeve 5 in screw thread, and the height position of adjusting sleeve 5 can be adjusted by adjusting locking bolt 6 to complete the clamping and fixing of different size vessels, the support plate 7 is arranged on the both sides of adjusting sleeve 5 symmetrically, and the clamping plate 8 is arranged on the opposite end face of two support plates 7 in adjustable, and the clamping plate 8 is preferably arc structure to facilitate the matching of the replacement of the vessel outside, guarantees the stable clamping of the vessel, wherein the arc length of clamping plate 8 is not too big, just needs to guarantee that can be in contact with the vessel side wall, in addition, the threaded rod 9 is arranged on the support plate 7, and the threaded rod 9 is rotatably connected with clamping plate 8, and the spacing of two clamping plates 8 is adjusted by rotating threaded rod 9 to meet the clamping operation of different size vessels, in addition, the guide rod 20 is also arranged on clamping plate 8, and the guide hole is arranged on the support plate 7 for the movable setting of guide rod 20, and the setting of guide rod 20 can guarantee the horizontal movement of clamping plate 8, prevents the clamping plate 8 from overturning rotation when threaded rod 9 rotates, to affect the fixation of the vessel.

[0021] Wherein, the stirring shaft 4 is internally hollow in the embodiment, and a plurality of stirring plates 10 are hinged along the circumferential direction of the bottom of the stirring shaft 4, each of the stirring plates 10 is hinged with a connecting rod 11, an adjusting groove 12 is formed on the side wall of the stirring shaft 4, and the connecting rod 11 is hinged with an adjusting rod 13 arranged in the stirring shaft 4 through the adjusting groove 12; wherein, the adjusting rod 13 is coaxially arranged with the stirring shaft 4, and the adjusting rod 13 can be adjusted along the height direction of the stirring shaft 4; in the initial state, the plurality of stirring plates 10 are gathered in the contracted state outside the stirring shaft 4 to reduce the size of the whole stirring shaft 4; in use, the adjusting rod 13 is controlled to move downward to push the connecting rod 11 to drive the stirring plate 10 to expand along the hinge point, thereby increasing the disturbance to the mixed liquid in the stirring process and improving the mixing effect; through the opening and closing adjustment of the stirring plate 10, the use of the device can meet the stirring of the vessel such as the conical flask with a small opening at the upper end and a large size at the lower end, and also meet the mixing of the vessel such as the test tube, and the stirring plate 10 can be adjusted in the state of being slightly adjusted or directly used in the state of being gathered according to the size of the test tube with different sizes when the test tube is mixed. The device can meet the stirring and mixing operation of the experimental vessel with various shapes and sizes through the adjustment of the state of the stirring plate 10, greatly expands the application range of the mixing operation, has the simple structure, and has the strong practicality.

[0022] Further, the adjusting screw sleeve 14 is coaxially arranged on the stirring shaft 4, the outer thread matched with the adjusting screw sleeve 14 is arranged on the adjusting rod 13, and the adjusting rod 13 is driven to move up and down through the rotation of the adjusting screw sleeve 14 to complete the state adjustment of the stirring plate 10, so that the operation is simple, fast and practical. In addition, the anti-skid stripes are arranged on the outside of the adjusting screw sleeve 14 in the embodiment, so that the hand slipping phenomenon occurs when the adjusting screw sleeve 14 is manually adjusted, and the convenience of adjusting the adjusting screw sleeve 14 is improved. In addition, the limiting block 21 is arranged on the side wall of the top end of the adjusting rod 13, the limiting groove 22 is arranged on the inner wall of the stirring shaft above the adjusting screw sleeve 14, the limiting block 21 is always slidably located in the limiting groove 22, and the rotation of the adjusting rod 13 is prevented when the adjusting screw sleeve 14 is rotated and adjusted, and the integrity of the stirring shaft 4 is ensured, so that the stirring shaft 4 above the adjusting screw sleeve 14 is relatively rotated with the stirring shaft 4 below the adjusting screw sleeve 14 under the driving of the driver 3 due to the excessive liquid resistance in the stirring process, and the stirring plate 10 cannot be synchronously rotated.

[0023] Further, the base 1 is provided with a heating disc, the heating disc is connectable with the power supply through a wire, the base 1 is provided with a switch at the front end for controlling the working of the heating disc, the heating disc can heat the raw materials to be mixed to meet different use requirements, thereby enriching the use function of the device; preferably, the base 1 is provided with a containing groove 15, the heating disc is arranged in the containing groove 15, the containing groove 15 is provided with annular limiting pieces 16 with diameters decreasing in sequence, the plurality of limiting pieces 16 can reduce the diameter of the opening of the containing groove 15 to position the test tube, prevent the test tube from being too small to be positioned stably by the clamping piece; when heating is not needed, a vessel with a larger diameter can be directly placed on the limiting piece 16 without being placed in the containing groove 15, when heating is needed, the limiting piece 16 with the largest diameter is removed, and the vessel containing the solution is placed in the containing groove 15.

[0024] In the embodiment, the inner wall of the containing groove 15 and the inner wall of each annular limiting piece 16 are provided with support convex rings 17, each support convex ring 17 is provided with a positioning groove 18, and the annular limiting piece 16 is provided with a positioning rod 19 matched with the positioning groove 18. The adjacent two limiting pieces 16 and the limiting piece 16 and the containing groove 15 are connected through the support convex ring 17 and the positioning rod 19 and the positioning groove 18, thereby improving the convenience of connection.

[0025] In use, the vessel containing raw materials can be placed on the base 1 first, then the state of the stirring plate 10 is adjusted according to the shape of the vessel, finally the height of the adjusting driver 3 is adjusted to adjust the stirring shaft 4 to enter the inside of the vessel, and the motor is started to rotate to drive the stirring shaft 4 to rotate; the utility model realizes the mixing operation of the raw materials in the vessels with various shapes by controlling the state of the stirring plate 10, guarantees the mixing effect, expands the application range, and avoids the frequent transfer of raw materials to replace the vessels, thereby avoiding the large error caused by the experiment and guaranteeing the accuracy of the experiment.

Claims

1. A chemical experimental raw material mixing device, comprising a base, a support rod disposed on one side of the base, an adjustable actuator and a clamping component disposed on the support rod, and a stirring shaft disposed at the bottom end of the actuator, characterized in that: Multiple stirring plates are hinged to the bottom of the stirring shaft along its circumference. Each stirring plate is hinged to a connecting rod, which is hinged to an adjusting rod disposed inside the stirring shaft. The adjusting rod is coaxial with the stirring shaft and can be adjusted along the height of the stirring shaft. In the initial state, the multiple stirring plates are in a retracted state and gathered outside the stirring shaft.

2. The raw material mixing device for chemical experiments according to claim 1, characterized by: An adjusting sleeve is coaxially rotatably mounted on the stirring shaft, and an adjusting rod is provided with an external thread that matches the adjusting sleeve. During operation, rotating the adjusting sleeve drives the adjusting rod to move up and down, thereby adjusting the state of the stirring plate.

3. The raw material mixing device for chemical experiments according to claim 2, characterized in that: A limiting block is provided on the side wall at the top of the adjusting rod, and a limiting groove is provided on the inner wall of the stirring shaft above the adjusting screw sleeve. The limiting block slides within the limiting groove.

4. The raw material mixing device for chemical experiments according to claim 2, characterized by: The adjusting screw sleeve is provided with anti-slip stripes on the outside.

5. The raw material mixing device for chemical experiments according to claim 1, characterized in that: A heating plate is provided on the base, and a switch for controlling the operation of the heating plate is provided at the front end of the base.

6. The raw material mixing device for chemical experiments according to claim 5, characterized in that: The base is provided with a receiving groove, the heating plate is disposed in the receiving groove, and the receiving groove is provided with annular limiting plates with successively decreasing diameters.

7. The raw material mixing device for chemical experiments according to claim 6, characterized in that: The inner wall of the receiving groove and the inner wall of each of the annular limiting pieces are provided with supporting protrusions, and each of the supporting protrusions is provided with a positioning groove. The annular limiting piece is provided with a positioning rod that matches the positioning groove.

8. The raw material mixing device for chemical experiments according to claim 1, characterized by: The clamping component includes an adjusting sleeve that is movably sleeved outside the support rod, and a locking bolt is threaded on the adjusting sleeve; support plates are symmetrically arranged on both sides of the adjusting sleeve, and clamping plates are adjustablely arranged on the opposite end faces of the two support plates.

9. The raw material mixing device for chemical experiments according to claim 8, characterized by: The support plate is provided with a threaded rod, which is rotatably connected to the clamping plate. The clamping plate is provided with a guide rod, and the support plate is provided with a guide hole for the guide rod to pass through.

10. The raw material mixing device for chemical experiments according to claim 8, characterized by: The clamping plate has an arc-shaped structure.

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