Analytical titration device for drug inspection

Abstract

The utility model relates to the technical field of medicine inspection and analysis, and discloses an analysis titration device for medicine inspection, which comprises an operating table, a protective door is rotatably connected to the front side of the operating table, a fixing mechanism is arranged at the top of the operating table, a titration mechanism is arranged at the top of the operating table, and the fixing mechanism comprises a first servo motor. The first servo motor is fixedly connected to the inner bottom of the operation table, the rear side of the first servo motor is fixedly connected with a worm, the left side of the worm is meshed with a worm gear, the worm gear is internally and fixedly connected with a rotating rod, the top of the rotating rod is fixedly connected with a placement table, and the top of the placement table is provided with a volumetric flask. By means of the arranged fixing mechanism, when medicine needs to be inspected and analyzed, a first servo motor, a worm, a worm gear and a rotating rod are matched, rotation of the containing table can be achieved, a volumetric flask is conveniently driven to rotate, and a second servo motor drives a two-way threaded rod to rotate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drug inspection and analysis, and specifically relates to an analysis titration device for drug inspection. BACKGROUND

[0002] Titration method is to drop the standard solution of known concentration into the sample solution uniformly and slowly, so that the standard solution and the measured component in the sample solution carry out chemical reaction, and the end point of reaction is judged by indicator or other electric measuring means, and the content of the measured component in the sample solution is calculated according to the number of the standard solution of titration. At present, in the drug inspection and analysis operation, the staff needs to carry out the work such as property inspection, main component identification, impurity inspection and content determination on the drug. When inspecting, a certain amount of test solution needs to be mixed into the drug through the titration device, and the drug and the test solution are fully mixed to determine the corresponding condition of the drug.

[0003] According to the analysis titration device for drug inspection (authorized announcement number: CN214750066U) disclosed by the patent network, the analysis titration device for drug inspection includes an analysis titration operation table, an electric push rod, a mounting plate and the like to realize titration work.

[0004] According to the above description, the applicant believes that the following problems exist:

[0005] The analysis titration device for drug inspection utilizes the analysis titration operation table, the electric push rod and the mounting plate to realize titration work. However, the device cannot fix the capacity bucket during use, and the staff needs to manually operate during stirring. The device cannot keep stirring during titration, which affects uniformity. In addition, the device cannot protect the top of the capacity bucket during stirring, which may cause the splashing of the solution and affect the safety of the experiment. Therefore, the device needs to be improved. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide an analysis titration device for drug inspection to solve the problems in the background technology.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: an analysis titration device for drug inspection, comprising an operation table, a protection door is rotatably connected to the front side of the operation table, a fixing mechanism is arranged on the top of the operation table, and a titration mechanism is arranged on the top of the operation table.

[0008] The fixing mechanism comprises a first servo motor, the first servo motor is fixedly connected to the bottom of the operation table, a worm is fixedly connected to the rear side of the first servo motor, a worm wheel is engaged with the left side of the worm, a rotating rod is fixedly connected in the worm wheel, a placing table is fixedly connected to the top of the rotating rod, a volumetric flask is arranged on the top of the placing table, a second servo motor is fixedly connected to the right side of the placing table, a bidirectional threaded rod is fixedly connected to the left side of the second servo motor, the bidirectional threaded rod is rotatably connected in the placing table, a moving frame is threadedly connected to the outer periphery of the bidirectional threaded rod, a first clamping plate is fixedly connected to the left side of the moving frame, the first clamping plate is slidably connected to the outer periphery of the volumetric flask, a fixing frame is fixedly connected to the top of the moving frame, a connecting rod is slidably connected in the fixing frame, a protective frame is fixedly connected to the left side of the connecting rod, the protective frame is slidably connected to the outer periphery of the volumetric flask, a limiting block is fixedly connected to the right side of the connecting rod, and a spring is sleeved on the outer periphery of the connecting rod.

[0009] Preferably, the rotating rod is rotatably connected in the operation table, and the bottom of the volumetric flask is in contact with the top of the placing table, so that the placing table and the volumetric flask can be rotated under the action of the rotating rod.

[0010] Preferably, the first clamping plate is in an arc shape, and rubber pads are arranged on the inner side of the first clamping plate, so that the volumetric flask can be fixed under the action of the first clamping plate.

[0011] Preferably, the spring is fixedly connected to the right side of the fixing frame on the left side, and the spring is fixedly connected to the left side of the limiting block on the right side, so that the protective frame can be in a stable state under the action of the spring.

[0012] Preferably, the titration mechanism comprises a fixing frame, the fixing frame is fixedly connected to the top of the operation table, a gas cylinder is fixedly connected in the fixing frame, a rectangular seat is fixedly connected to the top of the gas cylinder, a bearing frame is rotatably connected in the rectangular seat, a fixed pin is threadedly connected in the bearing frame, a titration tube is inserted in the bearing frame, an adjusting shaft is threadedly connected in the bearing frame, a knob is fixedly connected to the front side of the adjusting shaft, a second clamping plate is rotatably connected to the rear side of the adjusting shaft, the second clamping plate is slidably connected to the outer periphery of the titration tube, a stirring rod is fixedly connected to the bottom of the bearing frame, and the stirring rod is slidably connected in the volumetric flask.

[0013] Preferably, the fixed pin penetrates into the rectangular seat, the bearing frame and the rectangular seat are respectively provided with a fixed groove, the two fixed grooves correspond to each other, and the fixed pin is threadedly connected in the fixed groove, so that the stability of the bearing frame can be ensured under the action of the fixed pin when the bearing frame is adjusted to the angle in the rectangular seat.

[0014] Preferably, the second clamping plate is in an arc shape, and rubber pads are arranged on the inner side of the second clamping plate, so that the titration tube can be fixed under the action of the second clamping plate.

[0015] Compared with the prior art, the utility model provides an analysis titration device for medicine inspection has the following beneficial effects:

[0016] 1, this analysis titration device for medicine inspection, through the fixed mechanism that sets up, when need to carry out the inspection analysis work to the medicine, the cooperation of first servo motor, worm, worm wheel and rotating lever, can realize the rotation of the placing table, it is convenient to drive the capacity bottle to rotate, the second servo motor drives the bidirectional screw rod to rotate, further drive the moving frame to move left and right, so that the first clamping plate that presents the arc shape and is internally provided with rubber pad can tightly hold the capacity bottle of different size, rubber pad not only increases the friction, still can avoid the damage to the capacity bottle, through the combination of connecting rod, protection frame, limit block and spring, further under the action of protection frame to the top of capacity bottle protection, avoid the solution splashing phenomenon in the capacity bottle drive solution to rotate and stir in the process, guarantee the stability and safety of experiment.

[0017] 2, this analysis titration device for medicine inspection, through the setting titration mechanism, when need to carry out the inspection analysis work to the medicine, the height of rectangular seat can be adjusted in the fixed frame of pneumatic cylinder, it is convenient to adjust the vertical position of burette, make it can adapt to the capacity bottle of different height and different experimental demand, the cooperation of adjusting shaft and knob in bearing frame, by rotating knob can adjust adjusting shaft, further drive the second clamping plate to slide, make it can better clamping burette, and the second clamping plate presents the arc shape and has rubber pad, guarantee the firm fixation of burette, avoid the damage burette at the same time, fixed pin is through the inside of rectangular seat, with the fixed groove screw connection of bearing frame and rectangular seat in correspondence, make the bearing frame can conveniently adjust angle, install and dismount work to burette, and when the capacity bottle rotates, the solution in the inside will contact with the stirring rod, under the action of stirring rod make solution mixing more uniform, help to improve the fullness of reaction and the accuracy of experimental result, reduce the titration error caused by solution uneven at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the drawing needed to be used in the embodiment description simple introduction, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creativity labor intensity, can also obtain other drawings according to these drawings:

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0021] Figure 3It is a fixed mechanism structure schematic diagram;

[0022] Figure 4 It is a placement table cross-sectional structure schematic diagram;

[0023] Figure 5 It is a moving frame top structure schematic diagram;

[0024] Figure 6 It is a titration mechanism structure schematic diagram;

[0025] Figure 7 It is a bearing frame cross-sectional structure schematic diagram.

[0026] In the figure: 1, operation table; 2, protection door; 3, fixed mechanism; 4, titration mechanism; 31, first servo motor; 32, worm; 33, rotating rod; 34, worm gear; 35, placement table; 36, second servo motor; 37, two-way threaded rod; 38, moving frame; 39, first clamping plate; 391, volumetric flask; 392, fixed frame; 393, limit block; 394, spring; 395, connecting rod; 396, protection frame; 41, fixed frame; 42, air cylinder; 43, rectangular seat; 44, bearing frame; 45, burette; 46, fixed pin; 47, knob; 48, second clamping plate; 49, adjusting shaft; 491, stirring rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0029] The present application provides the following technical solutions:

[0030] Embodiment one

[0031] Please refer to Figures 1-7The utility model provides a technical scheme: an analysis titration device for drug inspection, including operation platform 1, the front side of operation platform 1 is rotatably connected with the guard door 2, and the top of operation platform 1 is provided with fixing mechanism 3, and the top of operation platform 1 is provided with titration mechanism 4;

[0032] The fixing mechanism 3 includes the first servo motor 31, the first servo motor 31 is fixedly connected to the inner bottom of operation platform 1, the rear side of the first servo motor 31 is fixedly connected with the worm 32, the left side of the worm 32 is engaged with the worm wheel 34, the worm wheel 34 is fixedly connected with the rotating rod 33 in, the rotating rod 33 top is fixedly connected with the placing table 35, the placing table 35 top is provided with the volumetric flask 391, the right side of the placing table 35 is fixedly connected with the second servo motor 36, the left side of the second servo motor 36 is fixedly connected with the bidirectional screw rod 37, the left side of the bidirectional screw rod 37 is rotatably connected in the placing table 35, the periphery of the bidirectional screw rod 37 is threadedly connected with the moving frame 38, the left side of the moving frame 38 is fixedly connected with the first clamping plate 39, the first clamping plate 39 is slidably connected to the periphery of the volumetric flask 391, the top of the moving frame 38 is fixedly connected with the fixed frame 392, the inside of the fixed frame 392 is slidably connected with the connecting rod 395, the left side of the connecting rod 395 is fixedly connected with the protective frame 396, the protective frame 396 is slidably connected to the periphery of the volumetric flask 391, the right side of the connecting rod 395 is fixedly connected with the limiting block 393, and the periphery of the connecting rod 395 is sleeved with the spring 394.

[0033] The rotating rod 33 is rotatably connected to the inside of operation platform 1, the bottom of the volumetric flask 391 and the top of the placing table 35 are in contact with each other, which is convenient for rotating the placing table 35 and the volumetric flask 391 under the action of the rotating rod 33, the first clamping plate 39 is arc-shaped, and the inside of the first clamping plate 39 is provided with a rubber pad, which is convenient for fixing the volumetric flask 391 under the action of the first clamping plate 39, the left side of the spring 394 is fixedly connected to the right side of the fixed frame 392, the right side of the spring 394 is fixedly connected to the left side of the limiting block 393, and the protective frame 396 is in a stable state under the action of the spring 394.

[0034] Embodiment two

[0035] Please refer to Figures 1-7 And on the basis of embodiment one, further get titration mechanism 4 including fixed frame 41, fixed frame 41 is fixedly connected to the top of operation platform 1, fixed frame 41 is fixedly connected with cylinder 42 in, cylinder 42 top is fixedly connected with rectangular seat 43, rectangular seat 43 inside rotatably connected with bearing frame 44, bearing frame 44 inside is threadedly connected with fixed pin 46, bearing frame 44 inside is inserted with titration tube 45, bearing frame 44 inside is threadedly connected with adjusting shaft 49, adjusting shaft 49 front side is fixedly connected with knob 47, adjusting shaft 49 rear side rotatably connected with second clamping plate 48, second clamping plate 48 is slidably connected to the periphery of titration tube 45, bearing frame 44 bottom is fixedly connected with stirring rod 491, stirring rod 491 is slidably connected in volumetric flask 391.

[0036] The fixed pin 46 is penetrated into the interior of the rectangular seat 43, the bearing frame 44 and the interior of the rectangular seat 43 are respectively provided with fixed grooves, the two fixed grooves correspond to each other, the fixed pin 46 is screw-connected into the fixed grooves, the stability of the bearing frame 44 is ensured under the action of the fixed pin 46 when the bearing frame 44 is adjusted in the rectangular seat 43, the second clamping plate 48 is arc-shaped, and the inner side of the second clamping plate 48 is provided with a rubber pad, so that the burette 45 is fixed under the action of the second clamping plate 48.

[0037] In the actual operation process, when the device is used, when the drug needs to be tested and analyzed, first, the volumetric flask 391 is placed on the middle position of the top of the placing table 35, according to the size of the volumetric flask 391, the moving frame 38 and the clamping plate which are screw-connected on the outer periphery of the two-way threaded rod 37 are moved by the second servo motor 36, and the clamping plate is moved to the outer periphery of the volumetric flask 391 to fix it, so that the volumetric flask 391 is in a stable state, the rubber pad on the inner side of the first clamping plate 39 not only increases the friction, but also avoids damaging the volumetric flask 391, when the moving frame 38 moves, the fixed frame 392, the connecting rod 395 and the protection frame 396 are moved, when the first clamping plate 39 moves to the outer periphery of the volumetric flask 391, the protection frame 396 will contact the outer periphery of the volumetric flask 391 before the first clamping plate 39, and the connecting rod 395, the limiting block 393 and the spring 394 are extruded, so that the spring 394 is deformed, when the clamping plate contacts the volumetric flask 391, the protection frame 396 is also in the outer periphery of the volumetric flask 391, and protects the top of the volumetric flask 391, when the fixing of the volumetric flask 391 is completed, the sample solution to be tested can be placed in the volumetric flask 391;

[0038] Meanwhile, the burette 45 is inserted into the bearing frame 44, the knob 47 is rotated, the second clamping plate 48 is driven to move by the adjusting shaft 49, the burette 45 is fixed under the action of the second clamping plate 48, when the fixing is completed, the rectangular seat 43, the bearing frame 44 and the burette 45 are driven to move by the air cylinder 42, the burette 45 is located at the top of the volumetric flask 391 and inside the protection frame 396, and the stirring rod 491 is located in the solution in the volumetric flask 391, at this time, the standard solution is filled into the burette 45, the standard solution is added under the action of the burette 45, in the process of adding, the first servo motor 31 drives the worm wheel 34 on the left side of the worm 32 to rotate, the volumetric flask 391 and the placement table 35 fixedly connected to the top of the rotating rod 33 are driven to rotate by the worm wheel 34, the solution is stirred, the solution contacts with the stirring rod 491, the mixing uniformity of the solution is further improved, the reaction sufficiency and the accuracy of the experimental results are improved, the titration error caused by the non-uniform solution is reduced, after the complete reaction is judged by observing the color of the solution or other electrical measurement methods, the content of the measured component in the sample solution is calculated according to the number of the standard solution for titration.

[0039] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations 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. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. An analytical titration apparatus for pharmaceutical testing, comprising an operating table (1), characterized in that: The front side of the operating table (1) is rotatably connected to a protective door (2), the top of the operating table (1) is provided with a fixing mechanism (3), and the top of the operating table (1) is provided with a titration mechanism (4). The fixing mechanism (3) includes a first servo motor (31), which is fixedly connected to the bottom of the operating table (1). A worm gear (32) is fixedly connected to the rear side of the first servo motor (31). A worm wheel (34) is meshed on the left side of the worm gear (32). A rotating rod (33) is fixedly connected inside the worm wheel (34). A placement platform (35) is fixedly connected to the top of the rotating rod (33). A volumetric flask (391) is placed on the top of the placement platform (35). A second servo motor (36) is fixedly connected to the right side of the placement platform (35). A bidirectional threaded rod (37) is fixedly connected to the left side of the second servo motor (36). The bidirectional threaded rod (37) is rotatably connected to the left side of the placement platform (35). A movable frame (38) is threadedly connected to the periphery of the bidirectional threaded rod (37). A first clamping plate (39) is fixedly connected to the left side of the movable frame (38). The first clamping plate (39) is slidably connected to the periphery of the volumetric flask (391). The top of the movable frame (38) is fixedly connected to a fixed frame (392), and a connecting rod (395) is slidably connected inside the fixed frame (392). A protective frame (396) is fixedly connected to the left side of the connecting rod (395), and the protective frame (396) is slidably connected to the periphery of the volumetric flask (391). A limit block (393) is fixedly connected to the right side of the connecting rod (395), and a spring (394) is sleeved around the periphery of the connecting rod (395).

2. The analytical titration apparatus for pharmaceutical testing according to claim 1, characterized in that: The rotating rod (33) is rotatably connected to the inside of the operating table (1), and the bottom of the volumetric bottle (391) is in contact with the top of the placement table (35).

3. The analytical titration apparatus for pharmaceutical testing according to claim 1, characterized in that: The first clamp (39) is arc-shaped, and a rubber pad is provided on the inner side of the first clamp (39).

4. The analytical titration apparatus for pharmaceutical testing according to claim 1, characterized in that: The left side of the spring (394) is fixedly connected to the right side of the fixing frame (392), and the right side of the spring (394) is fixedly connected to the left side of the limiting block (393).

5. The analytical titration apparatus for pharmaceutical testing according to claim 1, characterized in that: The titration mechanism (4) includes a fixed frame (41), which is fixedly connected to the top of the operating table (1). A cylinder (42) is fixedly connected inside the fixed frame (41). A rectangular seat (43) is fixedly connected to the top of the cylinder (42). A load-bearing frame (44) is rotatably connected inside the rectangular seat (43). A fixing pin (46) is threaded inside the load-bearing frame (44). A burette (45) is inserted inside the load-bearing frame (44). An adjusting shaft (49) is threaded inside the load-bearing frame (44). A knob (47) is fixedly connected to the front side of the adjusting shaft (49). A second clamping plate (48) is rotatably connected to the rear side of the adjusting shaft (49). The second clamping plate (48) is slidably connected to the periphery of the burette (45). A stirring rod (491) is fixedly connected to the bottom of the load-bearing frame (44). The stirring rod (491) is slidably connected inside the volumetric flask (391).

6. The analytical titration apparatus for pharmaceutical testing according to claim 5, characterized in that: The fixing pin (46) passes through the inside of the rectangular base (43). The load-bearing frame (44) and the rectangular base (43) are respectively provided with fixing grooves, and the two fixing grooves correspond to each other. The fixing pin (46) is threaded into the fixing groove.

7. An analytical titration apparatus for pharmaceutical testing according to claim 5, characterized in that: The second clamp (48) is arc-shaped, and a rubber pad is provided on the inner side of the second clamp (48).

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