CN215866616U

CN215866616U - Device for rapidly detecting heavy metal content of food

Info

Publication number: CN215866616U
Application number: CN202121434205.2U
Authority: CN
Inventors: 杨瑾; 蒋慧娴; 余涛; 任志彬; 李波; 张玉娟; 关晶晶; 王丹; 吕霞
Original assignee: Shijiazhuang Customs Technology Center
Current assignee: Shijiazhuang Customs Technology Center
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-18
Anticipated expiration: 2031-06-25

Abstract

The application discloses food heavy metal content short-term test's device, including bottom plate, supporting legs, connecting rod, hollow shaft, year charging tray, pressure disk, handle, through-hole, rubber pad, dead lever, universal wheel, first mounting bracket, stiffener, second mounting bracket, bar shell, servo motor, guide way, lift cylinder, probe, connecting wire, heavy metal detector, installation pole, down tube, year material cup, movable rod, spring, drain pan, first gear, pivot, servo motor, second gear, screw rod, nut and guide block. The utility model provides an useful part lies in carrying the material cup that carries that a plurality of annular distributions can be carried out evenly to the mechanism through carrying the material, can drive through the second servo motor and carry the material mechanism and rotate, and the drive of cooperation lateral shifting mechanism, lift cylinder can be convenient for the probe carry out the detection of food in a plurality of year material cups fast, adopts simultaneously to carry the material mechanism and can carry out quick installation, demolish and carry the material cup, convenient to use is convenient for carry out short-term test.

Description

Device for rapidly detecting heavy metal content of food

Technical Field

The application relates to the field of heavy metal detection of foods, in particular to a device for rapidly detecting the content of heavy metal in foods.

Background

The food safety detection is used for detecting harmful substances in food according to national indexes, and mainly used for detecting harmful and toxic indexes, such as heavy metal, aflatoxin and the like. An important aspect of food science and engineering is the introduction and use of chemical unit operations and the development of food engineering unit operations, thereby promoting the development of the food industry towards large-scale, continuous and automated.

When heavy metal in food is detected in the prior art, a probe is generally inserted into the food manually and then pulled out for detection; the detection efficiency is lower, and artificial intensity of labour is great simultaneously, and the result of use is relatively poor, is difficult for detecting. Therefore, a device for rapidly detecting the heavy metal content in the food is provided aiming at the problems.

Disclosure of Invention

The device that provides a food heavy metal content short-term test is used for solving among the prior art difficult problem that carries out food short-term test.

According to one aspect of the application, a device for rapidly detecting the heavy metal content in food is provided, and comprises a base and a second servo motor arranged at the bottom of the base, wherein an output shaft of the second servo motor is connected with an input end of a speed reducing mechanism, an output end of the speed reducing mechanism is fixedly connected with a material carrying mechanism convenient for replacing materials, a plurality of material carrying cups distributed in an annular array are uniformly arranged on the material carrying mechanism, and the material carrying mechanism is arranged at the top of the base; a first mounting frame and a second mounting frame are fixedly connected to two sides of the top of the base respectively, and a transverse moving mechanism is fixedly connected between the top of the first mounting frame and the top of the second mounting frame; the output shaft fixed mounting of lateral shifting mechanism has the lift cylinder, the output fixed mounting of lift cylinder has the probe, the probe passes through connecting wire and heavy metal detector electric connection, fixedly connected with installation pole on the shell of heavy metal detector, installation pole and second mounting bracket fixed mounting.

Further, the base includes bottom plate, supporting legs and connecting rod, the equal fixedly connected with supporting legs in bottom four corners department of bottom plate, the figure of supporting legs is four, and a plurality of connecting rods of fixedly connected with between four supporting legs.

Further, reduction gears includes drain pan, first gear, pivot and second gear, drain pan fixed mounting is in the bottom of bottom plate, second servo motor fixed mounting is in the bottom of drain pan, first gear and second gear all set up the inside at the drain pan, second servo motor's output shaft and the fixed cup joint of second gear, the pivot is rotated and is installed in the inside of drain pan, the pivot is fixed to cup joint with first gear, first gear is connected with the meshing of second gear, first gear diameter is the triple of second gear diameter, the one end of pivot and the bottom fixed connection of hollow shaft, and the hollow shaft rotates with the bottom plate and is connected.

Further, carry material mechanism and include hollow shaft, movable rod, spring, year charging tray and pressure disk, the cavity has been seted up to the inside of hollow shaft, cavity clearance fit is connected with the movable rod, the bottom of movable rod is provided with the spring, the movable rod passes through spring and hollow shaft elastic connection, carry the fixed top of cup jointing at the hollow shaft of charging tray, the top fixedly connected with pressure disk of movable rod, the recess that a plurality of is ring array and distributes is evenly seted up at the top of carrying the charging tray, the gomphosis of groove gap has the material cup, a plurality of is the through-hole that ring array distributes evenly seted up on the surface of pressure disk, the through-hole is located the recess top.

Further, a handle is fixedly mounted at the center of the top of the pressure plate, a rubber pad is fixedly bonded at the bottom of the pressure plate, and the rubber pad is in contact with the top of the material carrying cup.

Furthermore, the bottom of carrying the charging tray is fixedly connected with two down tubes, the end of the down tube is fixedly connected with the side wall of the hollow shaft, the bottom of carrying the charging tray is uniformly and fixedly connected with a plurality of fixed rods all around, and the universal wheels are installed at the bottom ends of the fixed rods.

Further, the first mounting frame and the second mounting frame are both of an L-shaped strip plate structure, and a reinforcing rod is fixedly mounted at the bending part of the first mounting frame.

Further, lateral shifting mechanism includes bar shell, first servo motor, screw rod, nut and guide block, the first servo motor of one end fixedly connected with of bar shell, the inside rotation of bar shell installs the screw rod, the one end of screw rod and first servo motor's output shaft fixed connection, threaded connection has the nut on the face of rod of screw rod, nut fixedly connected with guide block, the guide way has been seted up in the front of bar shell, guide way and guide block sliding connection.

Further, the connecting wire includes plastics outer tube, cable and iron wire, the outside cover of cable is equipped with the plastics outer tube, the inside a plurality of iron wire that evenly is provided with of pipe wall of plastics outer tube.

Furthermore, the top of the material loading cup is provided with a rim ring, and a material loading cavity is arranged in the material loading cup.

Through the above-mentioned embodiment of this application, can carry out the short-term test of liquid food, can carry out the year material cup of a plurality of annular distributions of even installation through carrying material mechanism, can drive through the second servo motor and carry material mechanism and rotate, cooperation lateral shifting mechanism, the drive of lift cylinder, can be convenient for the probe carry out the detection of a plurality of year material cup food fast, adopt simultaneously to carry material mechanism can install fast, demolish and carry the material cup, convenient to use is convenient for carry out short-term test.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of the inner structure of the tray and the hollow shaft according to an embodiment of the present invention;

FIG. 3 is a schematic view of an internal structure of a bottom case according to an embodiment of the present application;

FIG. 4 is a schematic view of the internal structure of a strip-shaped shell according to an embodiment of the present application;

FIG. 5 is a cross-sectional view of a connecting wire according to an embodiment of the present application;

fig. 6 is a schematic structural view of a material loading cup according to an embodiment of the present application.

In the figure: 1. the device comprises a base plate, 2, supporting legs, 3, connecting rods, 4, a hollow shaft, 5, a material carrying disc, 6, a pressure disc, 7, a handle, 8, a through hole, 9, a rubber pad, 10, a fixing rod, 11, a universal wheel, 12, a first mounting frame, 13, a reinforcing rod, 14, a second mounting frame, 15, a strip-shaped shell, 16, a servo motor, 17, a guide groove, 18, a lifting cylinder, 19, a probe, 20, a connecting wire, 2001, a plastic outer tube, 2002, a cable, 2003, an iron wire, 21, a heavy metal detector, 22, a mounting rod, 23, a diagonal rod, 24, a material carrying cup, 25, a movable rod, 26, a spring, 27, a bottom shell, 28, a first gear, 29, a rotating shaft, 30, a servo motor, 31, a second gear, 32, a screw rod, 33, a nut, 34 and a guide block.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, 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, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The apparatus for detection in the present embodiment may be used to be mounted on various bases, for example, a base is provided in the present embodiment, and the apparatus for detection in the present embodiment may be used to be mounted on a base as follows.

The utility model relates to a base which comprises a bottom plate and four support legs, wherein the middle part of the bottom plate is hollow, the support legs are arranged on the lower side of the bottom plate, two supporting pieces are arranged at the lower ends of the support legs through hinge shafts, two mounting branch parts for mounting the hinge shafts are formed at the lower ends of the support legs, and the two mounting branch parts are arranged oppositely. The hinge shaft is provided with a torsion spring, and the two supporting pieces are outwards propped open when supporting the washing machine or the refrigerator, so that the supporting stability is enhanced. Under the action of gravity, the included angle of the two supporting pieces at the lower ends of the supporting feet is unfolded to 180 degrees, so that the contact area with the ground is increased, and the movement of the base is prevented or reduced. The support member is formed with a plurality of holes, and the purpose is to increase the elasticity, reduce the vibration and effectively solve the problem of unstable placement of the washing machine. The supporting legs are formed with a plurality of holes, and the purpose is to increase the elasticity, reduce the vibration and effectively solve the problem of unstable placement of the washing machine.

Of course, the present embodiment can also be used for being mounted on bases of other structures. Here, description is not repeated, and the following describes the detection apparatus according to the embodiment of the present application.

Referring to fig. 1-6, a device for rapidly detecting the heavy metal content in food comprises a base and a second servo motor 30 arranged at the bottom of the base, wherein an output shaft of the second servo motor 30 is connected with an input end of a speed reducing mechanism, an output end of the speed reducing mechanism is fixedly connected with a material carrying mechanism convenient for replacing materials, a plurality of material carrying cups 24 distributed in an annular array are uniformly arranged on the material carrying mechanism, and the material carrying mechanism is arranged at the top of the base; a first mounting frame 12 and a second mounting frame 14 are fixedly connected to two sides of the top of the base respectively, and a transverse moving mechanism is fixedly connected between the top of the first mounting frame 12 and the top of the second mounting frame 14; output shaft fixed mounting of lateral shifting mechanism has lift cylinder 18, the output fixed mounting of lift cylinder 18 has probe 19, probe 19 passes through connecting wire 20 and heavy metal detector 21 electric connection, fixedly connected with installation pole 22 on heavy metal detector 21's the shell, installation pole 22 and second mounting bracket 14 fixed mounting can carry out the short-term test of liquid food, can carry out the year material cup 24 of a plurality of annular distributions of even installation through carrying the material mechanism, can drive through second servo motor 30 and carry the material mechanism and rotate, cooperation lateral shifting mechanism, lift cylinder 18's drive, can be so that probe 19 carries out the detection of food in a plurality of year material cups 24 fast, adopt simultaneously to carry the material mechanism and can carry out quick installation, demolish and carry material cup 24, convenient to use is convenient for carry out short-term test.

The base includes bottom plate 1, supporting legs 2 and connecting rod 3, the equal fixedly connected with supporting legs 2 in bottom four corners department of bottom plate 1, the figure of supporting legs 2 is four, and a plurality of connecting rods 3 of fixedly connected with between four supporting legs 2 for holistic support installation.

The speed reducing mechanism comprises a bottom shell 27, a first gear 28, a rotating shaft 29 and a second gear 31, the bottom shell 27 is fixedly installed at the bottom of the bottom plate 1, a second servo motor 30 is fixedly installed at the bottom of the bottom shell 27, the first gear 28 and the second gear 31 are both arranged inside the bottom shell 27, an output shaft of the second servo motor 30 is fixedly sleeved with the second gear 31, the rotating shaft 29 is rotatably installed inside the bottom shell 27, the rotating shaft 29 is fixedly sleeved with the first gear 28, the first gear 28 is meshed with the second gear 31 and is connected with the second gear 31, the diameter of the first gear 28 is three times that of the second gear 31, one end of the rotating shaft 29 is fixedly connected with the bottom end of the hollow shaft 4, and the hollow shaft 4 is rotatably connected with the bottom plate 1 and can reduce speed, so that the structures on the hollow shaft 4 and the hollow shaft 4 move at a low speed together.

The material loading mechanism comprises a hollow shaft 4, a movable rod 25, a spring 26, a material loading disc 5 and a pressure plate 6, a cavity is formed in the hollow shaft 4, the movable rod 25 is connected with the cavity in a clearance fit mode, the spring 26 is arranged at the bottom end of the movable rod 25, the movable rod 25 is elastically connected with the hollow shaft 4 through the spring 26, the material loading disc 5 is fixedly sleeved on the top end of the hollow shaft 4, the pressure plate 6 is fixedly connected with the top end of the movable rod 25, a plurality of grooves distributed in an annular array are uniformly formed in the top of the material loading disc 5, the material loading cup 24 is embedded in the groove gaps, a plurality of through holes 8 distributed in the annular array are uniformly formed in the surface of the pressure plate 6, the through holes 8 are located at the top of the grooves, the material loading cup 24 is placed or taken out of the material loading cup 24 through the grooves, the material is replaced, and the material is contained in the material loading cup 24.

The top center department fixed mounting of pressure disk 6 has handle 7, the fixed rubber pad 9 that bonds in bottom of pressure disk 6, rubber pad 9 and the contact of year material cup 24 top are convenient for pull pressure disk 6 through handle 7.

Carry two down tube 23 of bottom fixedly connected with of charging tray 5, the terminal of down tube 23 and the lateral wall fixed connection of hollow shaft 4, the even fixedly connected with a plurality of dead lever 10 all around of bottom of carrying charging tray 5, universal wheel 11 is installed to the bottom of dead lever 10, plays the effect of strengthening, has improved the intensity of connecting.

The first mounting frame 12 and the second mounting frame 14 are both of an L-shaped strip plate structure, and a reinforcing rod 13 is fixedly mounted at the bent part of the first mounting frame 12.

The transverse moving mechanism comprises a strip-shaped shell 15, a first servo motor 16, a screw rod 32, a nut 33 and a guide block 34, the first servo motor 16 is fixedly connected to one end of the strip-shaped shell 15, the screw rod 32 is installed inside the strip-shaped shell 15 in a rotating mode, one end of the screw rod 32 is fixedly connected with the output shaft end of the first servo motor 16, the nut 33 is connected to the face of the screw rod 32 through threads, the nut 33 is fixedly connected with the guide block 34, a guide groove 17 is formed in the front face of the strip-shaped shell 15, and the guide groove 17 is connected with the guide block 34 in a sliding mode to achieve transverse adjustment.

The connecting wire 20 comprises a plastic outer tube 2001, a cable 2002 and iron wires 2003, the plastic outer tube 2001 is sleeved outside the cable 2002, the iron wires 2003 are uniformly arranged inside the tube wall of the plastic outer tube 2001, enough length is reserved for the connecting wire 20, and the connecting wire 20 is conveniently shaped through the plastic outer tube 2001 and the iron wires 2003.

The top of the material carrying cup 24 is provided with a rim ring, a carrying cavity is arranged inside the material carrying cup 24, and the material carrying cup 24 can be pressed and positioned through the rim ring.

The using method comprises the following steps: when the whole device is used, the power supply is externally connected to supply power; the pulling of the pressure plate 6 is carried out through the pull-up handle 7, the pressure plate 6 and the material carrying plate 5 are spaced, the movable rod 25 and the hollow shaft 4 are used for guiding, meanwhile, the spring 26 is stretched, the material carrying cup 24 is placed into the groove, after the material carrying cup is placed into the groove, the handle 7 is loosened, the pressure plate 6 is pressed on the top of the material carrying plate 5, the material carrying cup 24 is limited, the installation is completed, the second servo motor 30 drives the second gear 31 to rotate, the second gear 31 and the first gear 28 are used for meshing transmission, the speed reduction driving is realized, the hollow shaft 4 is driven to rotate through the rotating shaft 29, the top structure of the hollow shaft 4 is rotated together, the material carrying cup 24 at the bottom of the probe 19 is changed, the transverse and vertical adjusting movement is realized by matching with the driving of the transverse moving mechanism and the driving of the lifting cylinder 18, so that the probe 19 is inserted into the material carrying cup 24 for detection;

the detection of all the material loading cups 24 is realized through the rotation regulation of the material loading mechanism, the driving of the transverse moving mechanism and the driving of the lifting cylinder 18;

after the detection is finished, the material carrying cup 24 can be manually taken out and taken down through the pull-up handle 7, and then other material carrying cups 24 are replaced, so that the detection of the next batch is finished.

The application has the advantages that:

whole device can carry out liquid food's short-term test, can carry out the year material cup 24 of a plurality of annular distributions of even installation through carrying the material mechanism, can drive through second servo motor 30 and carry the material mechanism and rotate, cooperation lateral shifting mechanism, the drive of lift cylinder 18, can be convenient for probe 19 carries out a plurality of detections of carrying food in the material cup 24 fast, adopt simultaneously to carry the material mechanism and can carry out quick installation, demolish and carry material cup 24, high durability and convenient use, be convenient for carry out short-term test.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a device of food heavy metal content short-term test which characterized in that: the material loading device comprises a base and a second servo motor (30) arranged at the bottom of the base, wherein an output shaft of the second servo motor (30) is connected with an input end of a speed reducing mechanism, an output end of the speed reducing mechanism is fixedly connected with a material loading mechanism convenient for replacing materials, a plurality of material loading cups (24) distributed in an annular array are uniformly arranged on the material loading mechanism, and the material loading mechanism is arranged at the top of the base;

a first mounting rack (12) and a second mounting rack (14) are fixedly connected to two sides of the top of the base respectively, and a transverse moving mechanism is fixedly connected between the top of the first mounting rack (12) and the top of the second mounting rack (14);

output shaft fixed mounting of lateral shifting mechanism has lift cylinder (18), the output fixed mounting of lift cylinder (18) has probe (19), probe (19) are through connecting wire (20) and heavy metal detector (21) electric connection, fixedly connected with installation pole (22) on the shell of heavy metal detector (21), installation pole (22) and second mounting bracket (14) fixed mounting.

2. The device for rapidly detecting the heavy metal content in the food according to claim 1, wherein: the base comprises a bottom plate (1), supporting legs (2) and connecting rods (3), wherein the supporting legs (2) are fixedly connected to four corners of the bottom plate (1), the number of the supporting legs (2) is four, and the connecting rods (3) are fixedly connected between the four supporting legs (2).

3. The device for rapidly detecting the heavy metal content in the food according to claim 1, wherein: the speed reducing mechanism comprises a bottom shell (27), a first gear (28), a rotating shaft (29) and a second gear (31), the bottom shell (27) is fixedly arranged at the bottom of the bottom plate (1), the second servo motor (30) is fixedly arranged at the bottom of the bottom shell (27), the first gear (28) and the second gear (31) are both arranged inside the bottom shell (27), the output shaft of the second servo motor (30) is fixedly sleeved with a second gear (31), the rotating shaft (29) is rotatably arranged in the bottom shell (27), the rotating shaft (29) is fixedly sleeved with the first gear (28), the first gear (28) is meshed with a second gear (31), the diameter of the first gear (28) is three times that of the second gear (31), one end of the rotating shaft (29) is fixedly connected with the bottom end of the hollow shaft (4), and the hollow shaft (4) is rotatably connected with the bottom plate (1).

4. The device for rapidly detecting the heavy metal content in the food according to claim 1, wherein: the material loading mechanism comprises a hollow shaft (4), a movable rod (25), a spring (26), a material loading tray (5) and a pressure plate (6), a cavity is arranged in the hollow shaft (4), a movable rod (25) is connected with the cavity in a clearance fit manner, a spring (26) is arranged at the bottom end of the movable rod (25), the movable rod (25) is elastically connected with the hollow shaft (4) through the spring (26), the material carrying disc (5) is fixedly sleeved at the top end of the hollow shaft (4), the top end of the movable rod (25) is fixedly connected with a pressure plate (6), the top of the material carrying disc (5) is uniformly provided with a plurality of grooves distributed in an annular array, the groove gap is embedded with the material carrying cup (24), a plurality of through holes (8) distributed in an annular array are uniformly formed in the surface of the pressure plate (6), and the through holes (8) are located at the top of the groove.

5. The device for rapidly detecting the heavy metal content in the food according to claim 4, wherein: the material loading device is characterized in that a handle (7) is fixedly mounted at the center of the top of the pressure plate (6), a rubber pad (9) is fixedly bonded at the bottom of the pressure plate (6), and the rubber pad (9) is in contact with the top of the material loading cup (24).

6. The device for rapidly detecting the heavy metal content in the food according to claim 4, wherein: carry two down tube (23) of bottom fixedly connected with of charging tray (5), the terminal of down tube (23) and the lateral wall fixed connection of hollow shaft (4), carry even fixedly connected with a plurality of dead lever (10) all around of bottom of charging tray (5), universal wheel (11) are installed to the bottom of dead lever (10).

7. The device for rapidly detecting the heavy metal content in the food according to claim 1, wherein: the first mounting frame (12) and the second mounting frame (14) are both L-shaped strip plate structures, and reinforcing rods (13) are fixedly mounted at the bent parts of the first mounting frame (12).

8. The device for rapidly detecting the heavy metal content in the food according to claim 1, wherein: the transverse moving mechanism comprises a strip-shaped shell (15), a first servo motor (16), a screw rod (32), a nut (33) and a guide block (34), the first servo motor (16) is fixedly connected with one end of the strip-shaped shell (15), the screw rod (32) is installed inside the strip-shaped shell (15) in a rotating mode, one end of the screw rod (32) is fixedly connected with the output shaft end of the first servo motor (16), the nut (33) is connected to the surface of the rod of the screw rod (32) in a threaded mode, the guide block (34) is fixedly connected with the nut (33), a guide groove (17) is formed in the front face of the strip-shaped shell (15), and the guide groove (17) is connected with the guide block (34) in a sliding mode.

9. The device for rapidly detecting the heavy metal content in the food according to claim 1, wherein: the connecting wire (20) comprises a plastic outer pipe (2001), a cable (2002) and iron wires (2003), the plastic outer pipe (2001) is sleeved outside the cable (2002), and the iron wires (2003) are uniformly arranged inside the pipe wall of the plastic outer pipe (2001).

10. The device for rapidly detecting the heavy metal content in the food according to claim 1, wherein: the top of the material loading cup (24) is provided with a rim ring, and a material loading cavity is arranged in the material loading cup (24).