Medicine residue detection sample homogenizer

Abstract

The utility model discloses a medicine residue detection sample homogenizer, which relates to the technical field of sample mixing, and comprises a tray mechanism, a chassis and a driving structure, and the driving structure is fixed on the chassis; the wobble plate mechanism comprises a clamping plate and a side supporting structure, the clamping plate is connected with the driving structure, and the side supporting structure is fixed between the clamping plate and the chassis and oscillates through the driving structure; the clamping disc comprises a placing disc, a placing ring and a fixing ring, the placing ring and the fixing ring are both fixed to the inner bottom of the placing disc, the placing ring is arranged on the outer side of the fixing ring, a plurality of notches are formed in the inner circumferential side of the placing ring, an annular air bag is fixed to the periphery of the fixing ring, and fixing positions are formed between the periphery of the annular air bag and the notches; the fixing position is shrunk along with the radial expansion of the annular air bag; according to the utility model, sample tubes with different tube diameters can be fixed, and meanwhile, the sample tubes can be adsorbed and fixed, so that position deviation during uniform mixing operation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sample mixing equipment technical field, concretely relates to a medicine residue detection sample homogenizer. BACKGROUND

[0002] The main manufacturing raw material of dairy products is cow milk, the cow milk in the dairy product factory is supplied by the pasture, is sent into the dairy product factory through the pasture transport tank truck, and needs to pass through each test index to be tested. The common index test in milk includes the test of drug residue, and the drug source is generally veterinary drugs for treating diseases and pesticides contained in pasture. A large number of mixing operation experiments are required in the test of drug residue, so a mixing device is used to improve the mixing speed in the test, which not only saves manpower but also has better mixing degree, and is beneficial to the accuracy of test results.

[0003] The existing homogenizing device includes the type with only an oscillation disc and the type with a fixing device, and the mixing mode is to obtain the mixing effect through high-frequency oscillation. In the mixing device with the fixing device, a plurality of molds suitable for sample tubes with different diameters are generally provided, so that the sample tubes with different diameters need to be operated multiple times when mixing, which is very inconvenient. In the mixing operation, the equipment is often deviated due to vibration, so counterweights are often provided in the equipment to prevent the equipment from deviating, but the equipment is not convenient to move due to the weight. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a medicine residue detection sample homogenizer, which solves the problem that the existing mixing device cannot fix sample tubes with different diameters at the same time.

[0005] The utility model solves the above technical problems through the following technical scheme, and comprises a tray mechanism, a driving structure is fixed on the bottom disc, and the driving structure is connected with the driving structure.

[0006] The disc mechanism comprises a clamping disc and a side support structure, the clamping disc is connected with the driving structure, the side support structure is fixed between the clamping disc and the bottom disc and forms oscillation through the driving structure.

[0007] The clamping disc comprises a placing disc, a placing ring and a fixed ring, the placing ring and the fixed ring are fixed on the inner bottom of the placing disc, the placing ring is arranged on the outer side of the fixed ring, a plurality of notches are formed on the inner circumferential side of the placing ring, a ring-shaped air bag is fixed on the outer circumference of the fixed ring, a fixed position is formed between the outer circumference of the ring-shaped air bag and the notch, the fixed position is reduced with the radial expansion of the ring-shaped air bag, a gas supply part for inflating the ring-shaped air bag is fixed on the placing disc, the output end of the gas supply part is connected with the ring-shaped air bag, and a plug shaft is fixed at the center of the bottom of the placing disc.

[0008] The side support structure comprises a column and an offset spring, one end of the column is fixed with one end of the offset spring, and the other end of the column and the offset spring is respectively fixed with the chassis and the placing disc;

[0009] The pressing disc part and the limiting mechanism, the pressing disc part is covered on the swing disc mechanism, and the limiting mechanism fixed on the chassis limits the upward position of the pressing disc part.

[0010] Preferably, the chassis comprises a shell, a fixing frame and a motor, the motor is arranged in the shell and fixed with the top of the shell through the fixing frame, a movable hole is formed in the shell, an offset column is fixed on the output shaft of the motor and located in the movable hole, an insertion slot is formed in the offset column and offset from the axis of the output shaft of the motor, and a plurality of sunken cylinders are arranged on the shell in a circumferential and equidistant manner.

[0011] Preferably, the insertion shaft is movably inserted in the insertion slot, the number of the side support structure is equal to that of the sunken cylinders, and the lower end of the offset spring is fixedly connected with the inner bottom of the sunken cylinder.

[0012] Preferably, the pressing disc part comprises a top disc and a guide column, the top disc is arranged on the upper side of the placing disc, a plurality of guide columns are fixed on the lower side of the top disc, and a pad disc is fixed on the lower side of the top disc.

[0013] Preferably, a plug hole for inserting the guide column is formed in the upper side of the shell, and the guide column is inserted in the plug hole.

[0014] Preferably, two limiting mechanisms are arranged, each of the limiting mechanisms comprises a threaded rod fixed on the upper side of the shell, the threaded rod is arranged on the two sides of the top disc, a nut is threadedly connected on the threaded rod, a pressing piece movably sleeved on the threaded rod is arranged on the lower side of the nut, and the pressing piece is arranged on the upper side of the top disc and abuts against the top disc.

[0015] Preferably, an adsorption mechanism is arranged on the lower side of the shell and abuts against one end of the guide column.

[0016] The adsorption mechanism comprises a column cavity, a piston and an extension rod, the column cavity is fixed on the shell, the piston is slidably arranged in the column cavity, an air extraction cavity is formed between the upper side of the piston and the column cavity, the lower side of the piston is connected with one end of the extension rod, the other end of the extension rod extends through the column cavity to the outside and is connected with a sub-inserting rod, a compression spring is fixed on the lower side of the sub-inserting rod, a bottom sealing plate is mounted on the lower side of the shell, a rubber suction cup is arranged on the bottom sealing plate, and an air pipe is arranged in communication between the inner cavity of the rubber suction cup and the air extraction cavity.

[0017] Preferably, a breathable hole is formed in the bottom of the column cavity, and the upper side of the sub-inserting rod is in contact with the guide column.

[0018] The utility model discloses the beneficial effect in comparison with prior art lies in:

[0019] Through set up and place ring and the gap can the sample tube that needs to mix even determine position, then through the air supply spare ring -like air bag inflation is pressed to the sample tube of determining position, to the position of sample tube is stabilized limit, and can be adapted to the diameter of a variety of sample tubes, and can be through the pressure control of ring -like air bag realizes the size of the degree of wrapping.

[0020] The piston is set, when sliding in the column cavity, the suction cavity space on the piston upside is larger and forms the negative pressure, can be connected the rubber suction disc in -side cavity through the trachea, when the rubber suction disc stable contact plane, through the negative pressure suction effect, the negative pressure is made in the rubber suction disc, to fix the adsorption mechanism, tray mechanism on the placement plane, keep stable. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structural schematic diagram of the utility model;

[0022] Figure 2 It is Figure 1 the structural explosion schematic diagram of;

[0023] Figure 3 It is Figure 2 the structural schematic diagram of another view of;

[0024] Figure 4 It is Figure 1 the side view structural schematic diagram of;

[0025] Figure 5 It is Figure 4 the sectional view structural three -dimensional schematic diagram of A-A direction in;

[0026] The figure number indicates in the drawing:

[0027] 1, tray mechanism;11, shell;12, fixed frame;13, motor;14, bias column;15, slot;16, movable hole;17, sinking cylinder;

[0028] 2, swing disc mechanism;21, placement disc;22, stand column;23, offset spring;24, placement ring;25, gap;26, fixed ring;27, ring -like air bag;

[0029] 28, air supply spare;29, insertion shaft;

[0030] 3, pressure disc spare;31, top disc;32, guide column;33, pad disc;

[0031] 4, adsorption mechanism;41, column cavity;42, piston;43, extension rod;44, split insertion rod;45, compression spring;46, trachea;47, bottom plate;

[0032] 48. Rubber suction cup;

[0033] 5. Limiting mechanism; 51. Threaded rod; 52. Nut; 53. Tablet. DETAILED DESCRIPTION

[0034] The above and other technical features and advantages of the present application will be more apparent from the following detailed description.

[0035] Example 1

[0036] The embodiment provides a technical scheme: a medicine residue detection sample homogenizer, as shown in the figure, comprising a tray mechanism 1 and a turntable mechanism 2, the tray mechanism 1 comprising a bottom disc and a driving structure, the driving structure being fixed on the bottom disc; Figures 1-5

[0037] The turntable mechanism 2 comprises a clamping disc and a side support structure, the clamping disc being connected with the driving structure, and the side support structure being fixed between the clamping disc and the bottom disc and forming oscillation through the driving structure;

[0038] The clamping disc comprises a placing disc 21, a placing ring 24 and a fixed ring 26, the placing ring 24 and the fixed ring 26 being fixed on the inner bottom of the placing disc 21, the placing ring 24 being arranged on the outer side of the fixed ring 26, a plurality of notches 25 being arranged on the inner circumferential side of the placing ring 24, a ring-shaped air bag 27 being fixed on the outer circumference of the fixed ring 26, a fixed position being formed between the outer circumference of the ring-shaped air bag 27 and the notches 25, the fixed position being reduced with the radial expansion of the ring-shaped air bag 27, a gas supply part 28 for inflating the ring-shaped air bag 27 being fixed on the placing disc 21, the output end of the gas supply part 28 being connected with the ring-shaped air bag 27, and a plug shaft 29 being fixed at the center of the bottom of the placing disc 21;

[0039] The placing disc 21 is in a concave disc shape, the placing ring 24 is made of elastic foam material, and the placing ring 24 is detachably connected with the placing disc 21; the notches 25 are arranged in thirty-six in the embodiment, and can be arranged according to actual needs; the ring-shaped air bag 27 can be inflated to the inner cavity of the notches 25 when inflated, so as to meet the fixing requirement; the gas supply part 28 is a prior art, which is provided with a deflation valve and a pressure gauge, and can discharge the gas in the ring-shaped air bag 27; the main function of the gas supply part 28 is to provide inflation for the ring-shaped air bag 27; an electric inflation pump or a manual inflation pump can be used, and an electric inflation pump is used in the embodiment, and has a pressure setting function of inflation pressure, which can be adjusted according to needs.

[0040] The side support structure comprises a stand column 22 and a deflection spring 23, one end of the stand column 22 is fixed with one end of the deflection spring 23, and the other ends of the stand column 22 and the deflection spring 23 are fixed with the bottom disc and the placing disc 21 respectively;

[0041] ​Optionally, the chassis comprises a shell 11, a fixing frame 12 and a motor 13, the motor 13 is arranged in the shell 11 and fixed to the top of the shell 11 through the fixing frame 12, the shell 11 is provided with a movable hole 16, a biasing column 14 is fixed on the output shaft of the motor 13 and located in the movable hole 16, the biasing column 14 is provided with a slot 15 which is offset from the center of the output shaft of the motor 13, and a plurality of sunken cylinders 17 are circumferentially and equidistantly arranged on the shell 11.

[0042] The shell 11 is a box with an open bottom, the motor 13 is connected with an external control switch and a power supply, the insertion shaft 29 is movably inserted into the slot 15, the number of the sunken cylinders 17 is equal to that of the side support structures, and in this embodiment, the number of the sunken cylinders 17 is three; the lower end of the offset spring 23 is fixedly connected to the inner bottom of the sunken cylinder 17. The biasing column 14 arranged at the output end of the motor 13 rotates around the output shaft of the motor 13; the insertion shaft 29 movably inserted into the slot 15 is fixed and limited by the stand column 22 and the offset spring 23, and the insertion shaft 29 rotates in the slot 15, and due to the characteristics of the offset spring 23, the placement disc 21 can realize offset vibration, so as to vibrate and mix the sample tube fixed on the placement disc 21.

[0043] The device further comprises a pressing disc 3 and a limiting mechanism 5, the pressing disc 3 is arranged on the swing disc mechanism 2 and limited by the limiting mechanism 5 fixed on the chassis.

[0044] The pressing disc 3 comprises a top disc 31 and a guide column 32, the top disc 31 is arranged on the upper side of the placement disc 21, a plurality of guide columns 32 are fixed to the lower side of the top disc 31, in this embodiment, the number of the guide columns 32 is four, a pad disc 33 is fixed to the lower side of the top disc 31, the pad disc 33 is made of elastic foam and used for abutting against the top end of the sample tube.

[0045] The upper side of the shell 11 is provided with an insertion hole for the insertion of the guide column 32, and the guide column 32 movably inserted into the insertion hole.

[0046] The limiting mechanism 5 is provided with two, the limiting mechanism 5 comprises a threaded rod 51 fixed to the upper side of the shell 11, the threaded rod 51 is arranged on both sides of the top disc 31, a nut 52 is threadedly connected to the threaded rod 51, a pressing piece 53 movably sleeved on the threaded rod 51 is arranged on the lower side of the nut 52, the pressing piece 53 is provided with a hole slot for sleeving on the top disc 31, and the pressing piece 53 is arranged on the upper side of the top disc 31 and abuts against the top of the sample tube when the sample tube is fixed.

[0047] In this embodiment, when different sample tubes need to be mixed, different tube diameters are placed in the notch 25, and then the annular air bag 27 is inflated by providing pressurization to the annular air bag 27 through the air supply member 28, so as to wrap and abut the sample tubes at the notch 25, so as to fix the sample tubes of different diameters; then the guide column 32 is inserted into the insertion hole on the shell 11, the guide column 32 abuts the upper end of the sample tube, and then the pressing plate 53 is abutted with the top of the top disc 31 by adjusting the position of the nut 52 on the threaded rod 51, so as to limit the top of the sample tube. The motor 13 provides power, the insertion shaft 29 is biased to the output shaft of the motor 13, at this time the insertion shaft 29 performs circumferential motion, and the insertion shaft 29 rotates in the insertion slot 15 through the limitation of the stand column 22 and the offset spring 23, at this time the placement disc 21 oscillates through the elastic property of the offset spring 23, so as to mix the sample.

[0048] Embodiment two

[0049] This embodiment is further optimized on the basis of embodiment one, and the same parts as the foregoing technical solutions will not be described here again, as shown in Figure 2 、 Figure 3 and Figure 5 in order to better achieve the utility model, in particular the following setting mode is adopted: the lower side of the shell 11 is provided with an adsorption mechanism 4, and the adsorption mechanism 4 is abutted with one end of the guide column 32.

[0050] The adsorption mechanism 4 comprises a column cavity 41, a piston 42 and an extension rod 43, the bottom of the column cavity 41 is provided with a gas permeable hole, the column cavity 41 is fixed on the shell 11, the piston 42 is slidingly arranged in the column cavity 41, the upper side of the piston 42 and the column cavity 41 form an air extraction cavity, the lower side of the piston 42 is connected with one end of the extension rod 43, the other end of the extension rod 43 extends to the outside through the column cavity 41 and is connected with a sub-insertion rod 44, the upper side of the sub-insertion rod 44 is in contact with the guide column 32, the lower side of the sub-insertion rod 44 is fixedly provided with a compression spring 45, the lower side of the shell 11 is provided with a bottom sealing plate 47, the bottom sealing plate 47 is provided with a rubber suction cup 48, and the inner cavity of the rubber suction cup 48 is communicated with the air extraction cavity through an air pipe 46.

[0051] The air pipe 46 is fixedly connected with the column cavity 41, and a pipe head is arranged on the rubber suction cup 48 and movably connected with the air pipe 46.

[0052] In the embodiment, before mixing, the device needs to be placed on a plane. When the guide column 32 is inserted into the insertion hole on the shell 11, the lower end of the guide column 32 presses the sub-insertion rod 44, so that the extension rod 43 connected with the sub-insertion rod 44 pulls the piston 42 to slide with the column cavity 41, the negative pressure in the air extraction cavity, the air in the rubber suction cup 48 is sucked through the air pipe 46, so that the rubber suction cup 48 is in negative pressure, and the adsorption effect is achieved, so that the fixing of the bottom plate 47 is realized, and the shell 11 fixed with the bottom plate 47 is fixed; during the mixing operation, the device remains stable.

[0053] The above is only the preferred embodiment of the present application, which is only illustrative but not limiting. It is understood by those skilled in the art that many changes, modifications and even equivalents can be made to the present application within the spirit and scope of the present application, but all will fall within the protection scope of the present application.

Claims

1. A drug residue detection sample homogenizer, characterized by, The utility model relates to a tray mechanism (1) including the chassis, drive structure, drive structure is fixed on the chassis, swing tray mechanism (2) including the clamping disc, side support structure, clamping disc is connected with drive structure, side support structure is fixed between clamping disc and chassis and forms the oscillation through drive structure, clamping disc includes the placement disc (21), placement ring (24) and fixed ring (26), placement ring (24), fixed ring (26) are all fixed in the inner bottom of placement disc (21), placement ring (24) sets up at the outside of fixed ring (26), a plurality of notches (25) are seted up on the inner circumferential side of placement ring (24), annular air bag (27) is fixed on the outer circumferences of fixed ring (26), and the fixed position is formed between the outer circumferences of annular air bag (27) and notch (25), the fixed position reduces with the radial expansion of annular air bag (27), and the air supply part (28) for filling air in annular air bag (27) is fixed on placement disc (21), and the output end of air supply part (28) is connected with annular air bag (27), and the insertion shaft (29) is fixed in the bottom center of placement disc (21), side support structure includes the stand (22), offset spring (23), one end of stand (22) is fixed with one end of offset spring (23), and the other end of stand (22) and offset spring (23) is fixed with chassis and placement disc (21) respectively, pressing disc part (3), limiting mechanism (5), pressing disc part (3) is covered on swing tray mechanism (2) and is limited by limiting mechanism (5) fixed on chassis to move position. The chassis includes a shell (11), a fixed frame (12), and a motor (13). The motor (13) is arranged in the shell (11) and fixed to the inner top of the shell (11) through the fixed frame (12). The shell (11) is provided with a plurality of circumferentially equidistantly arranged sunken cylinders (17). The insertion shaft (29) is movably inserted into the insertion slot (15). The number of the side support structure is equal to the number of the sunken cylinders (17). The lower end of the offset spring (23) is fixedly connected to the inner bottom of the sunken cylinder (17). The pressing disc part (3) includes a top disc (31) and a guide column (32). The top disc (31) is arranged on the upper side of the placement disc (21). The lower side of the top disc (31) is fixed with a plurality of guide columns (32). The lower side of the top disc (31) is fixed with a mat disc (33). The upper side of the shell (11) is provided with an insertion hole for the insertion of the guide column (32). The guide column (32) is inserted into the insertion hole. ​ ​ ​ 2. The drug residue detection sample homogenizer of claim 1, wherein, ​ 3. The drug residue detection sample homogenizer of claim 2, wherein, ​ 4. The drug residue detection sample homogenizer of claim 2, wherein, ​ 5. The drug residue detection sample homogenizer of claim 4, wherein, ​ 6. The drug residue detection sample homogenizer of claim 5, wherein, The limiting mechanism (5) is provided with two, the limiting mechanism (5) includes the threaded rod (51) fixed on the upper side of the shell (11), the threaded rod (51) is arranged on both sides of the top disc (31), the threaded rod (51) is threadedly connected with the nut (52), the lower side of the nut (52) is provided with the pressing plate (53) movably sleeved on the threaded rod (51), the pressing plate (53) is arranged on the upper side of the top disc (31) and abuts.

7. The drug residue detection sample homogenizer of claim 6, wherein, The lower side of the shell (11) is provided with the adsorption mechanism (4), the adsorption mechanism (4) abuts with one end of the guide column (32); The adsorption mechanism (4) includes the column cavity (41), the piston (42) and the extension rod (43), the column cavity (41) is fixed on the shell (11), the piston (42) is slidably arranged in the column cavity (41), the upper side of the piston (42) and the column cavity (41) form the air extraction cavity, the lower side of the piston (42) and one end of the extension rod (43), the other end of the extension rod (43) extends to the outside through the column cavity (41) and is connected with the sub-inserting rod (44), the lower side of the sub-inserting rod (44) is fixed with the compression spring (45), the lower side of the shell (11) is provided with the bottom plate (47), the bottom plate (47) is provided with the rubber suction cup (48), the inner cavity of the rubber suction cup (48) is communicated with the air extraction cavity through the air pipe (46).

8. The drug residue detection sample homogenizer of claim 7, wherein, The bottom of the column cavity (41) is provided with a breathable hole, and the upper side of the sub-inserting rod (44) is in contact with the guide column (32).

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