CN108469504B

CN108469504B - Food safety detector

Info

Publication number: CN108469504B
Application number: CN201810338625.7A
Authority: CN
Inventors: 樊雪花; 陈浩
Original assignee: Rizhao Xinyuran Food Co Ltd
Current assignee: Rizhao xinyuran Food Co.,Ltd.
Priority date: 2018-04-16
Filing date: 2018-04-16
Publication date: 2020-08-28
Anticipated expiration: 2038-04-16
Also published as: CN108469504A

Abstract

The invention relates to the technical field of food detection, in particular to a food safety detector which comprises a conveying mechanism, a fixed supporting plate, a detection shell, a detection mechanism, a transmission mechanism, an extraction mechanism and a control mechanism, wherein the detection shell and the detection mechanism are connected to the conveying mechanism and can perform sampling detection at any time and any place according to production. Through traditional mechanism and extraction mechanism realization sample during the sample to send the sample into and detect in detecting the casing, realized full automatic sampling, do not need artifical sample, more convenient safety. The sampling is controlled by the control mechanism in the sampling process, all samples are highly accurate and highly average, and the accuracy of sample detection is ensured. When the sample was detected, the user operated through the observation window with stretch into the cover in the inside that detects the casing, and safety more can prevent that the sample from being contaminated by external world.

Description

Food safety detector

Technical Field

The invention relates to the technical field of food safety, in particular to a food safety detector.

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.

All adopt artifical sample on having the production line in food safety inspection process, lead to the sample to draw inconvenient, sample uneven, sample many times when aiming at mass production too loaded down with trivial details and detect the security lower. In view of this, the invention provides a food safety detector, which has the following characteristics:

(1) according to the food safety detector, the detection shell and the detection mechanism are connected to the conveying mechanism, and sampling detection can be performed anytime and anywhere according to production.

(2) According to the food safety detector, sampling is realized through the traditional mechanism and the extraction mechanism during sampling, and the sample is sent into the detection shell for detection, so that full-automatic sampling is realized, manual sampling is not needed, and convenience and safety are realized.

(3) According to the food safety detector, sampling is controlled by the control mechanism in the sampling process, all samples are highly accurate and highly average, and the accuracy of sample detection is ensured.

(4) According to the food safety detector, a user can operate through the observation window and the extension sleeve in the detection shell during sample detection, so that the food safety detector is safer and can prevent a sample from being polluted by the outside.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a food safety detector, wherein a detection shell and a detection mechanism are connected to a conveying mechanism, and sampling detection can be carried out anytime and anywhere according to production. Through traditional mechanism and extraction mechanism realization sample during the sample to send the sample into and detect in detecting the casing, realized full automatic sampling, do not need artifical sample, more convenient safety. The sampling is controlled by the control mechanism in the sampling process, all samples are highly accurate and highly average, and the accuracy of sample detection is ensured. When the sample was detected, the user operated through the observation window with stretch into the cover in the inside that detects the casing, and safety more can prevent that the sample from being contaminated by external world.

The technical scheme adopted by the invention for solving the technical problems is as follows: a food safety detector comprises a conveying mechanism, a fixed supporting plate, a detection shell, a detection mechanism, a transmission mechanism, a picking mechanism and a control mechanism, wherein the conveying mechanism comprises supporting baffles, a first motor, a conveying belt and a roller, the first motor is installed on the supporting baffles, the roller is sleeved on the first motor and positioned between the supporting baffles, and the conveying belt is sleeved on the roller; the fixed supporting plate is fixedly connected to the outer side wall of the supporting baffle on one side of the conveyor belt; the fixed supporting plate is provided with the transmission mechanism, the transmission mechanism comprises a second motor, a lead screw and a moving block, the second motor is arranged on the fixed supporting plate, the lead screw is sleeved on the second motor, the moving block is sleeved on the lead screw, and the moving block is clamped and slidably connected in a first sliding groove in the fixed supporting plate; the bottom of the moving block is connected with the extraction mechanism, the extraction mechanism comprises a hydraulic cylinder, an extraction shell, a fixed abutting plate, a needle head, a push rod and a piston, the hydraulic rod is installed and connected to the bottom of the moving block, the bottom of the hydraulic cylinder is fixedly connected with the push rod, the push rod penetrates into the extraction shell and is connected to the piston, the piston is connected to an inner cavity of the extraction shell in a sliding mode, the extraction shell is connected to the fixed abutting plate in a clamping mode, the fixed abutting plate is fixedly connected to the inner side wall of the supporting baffle, and the needle head is connected to the tail end of the extraction shell; the extraction shell and the fixed resisting plate are provided with the control mechanism, the control mechanism comprises a first magnet, an electromagnet, a second magnet, a third magnet, a first copper sheet, a copper belt and a second copper sheet, the second magnet is arranged on the outer side wall of the top end of the piston, the third magnet is arranged on one side, close to the second magnet, in a second chute in the extraction shell, the third magnet is connected with the first copper sheet on one side, away from the second magnet, of the third magnet, and the first copper sheet is connected to the copper belt on one side of the extraction shell in a sliding contact manner; the copper connecting belt is in contact connection with the second copper sheet arranged on the fixed abutting plate, the electromagnet is arranged at the bottom end of the groove in the fixed abutting plate, the electromagnet is electrically connected with the second copper sheet, and the electromagnet is in ferromagnetic connection with the first magnet arranged at the bottom end of the extraction shell; one side of the supporting baffle, which is far away from the fixed supporting plate, is connected with the detection shell, and the top end of the detection shell is provided with a sample inlet hole; the detection shell is internally provided with the detection mechanism.

Specifically, the fixed supporting plate is of an L-shaped structure, so that the transmission mechanism can be used for driving the extracting mechanism to transversely move while the fixed supporting plate is fixed, the cross sections of the moving block and the first sliding groove are of inverted convex structures with the same size, the moving block is effectively limited, and the moving block is transversely moved on the fixed supporting plate without rotating.

Specifically, the fixed cross-section of the recess on the butt plate do with draw the bottom cross-section of casing and the cross-section of the sample inlet hole on the detection casing is "protruding" shape structure that the size equals, realizes draw the casing can effectually insert fixed butt plate with in the detection casing to form the conflict effect, realize after the pneumatic cylinder continues to push down, can drive the piston slides from top to bottom, just the syringe needle with draw threaded connection between the end of casing, just the top radius of syringe needle with the bottom radius of drawing the casing equals, realizes effectively driving the syringe needle runs through fixed butt plate.

Specifically, the length that copper is taken is less than draw the inner chamber height of casing, realizes the pneumatic cylinder drives after the piston rises, can remove the third magnetite with be connected between the copper is taken to close the electro-magnet, remove and adsorb, make draw the casing can utilize the pneumatic cylinder drives and rises.

Specifically, first magnetite, the electro-magnet the second magnetite, the third magnetite reaches copper is equipped with two at least, and two first magnetite the electro-magnet the second magnetite the third magnetite reaches copper is taken the symmetry to be located draw the both sides of casing, increase absorbent stability.

Specifically, the fixed top surface that supports the board with the top surface that detects the casing is in on the same horizontal plane, draw the mechanism with detect on the casing the inlet is equipped with a plurality ofly, and is a plurality of draw the mechanism with the inlet one-to-one symmetry setting on the detection casing realizes after drawing, is convenient for through PLC control draw the casing to get into in the inlet on the detection casing.

It is specific, detection mechanism includes the transparent window, stretches into the cover and collects the box, the transparent window is located detect the inner chamber lateral wall of casing, it is located to detect on the casing the bottom of transparent window is equipped with stretch into the cover, it is located to detect on the casing the bottom of advance appearance hole is equipped with collect the box, make things convenient for the measurement personnel to detect, guarantee the security that detects, prevent that the sample in the inner chamber of detecting the casing from being influenced the testing result by external pollution.

Specifically, the side view that detects the casing is rectangle, the bottom is right trapezoid's polygonized structure for the top, just the transparent window is located deviate from on the detection casing on the hypotenuse of one side of holding back plate, it is equipped with two to stretch into the cover, just the diameter that stretches into the cover is greater than collect the width of box, when making more comfortable convenience when using of measurement personnel, can make it is convenient to collect taking out of box and change.

The invention has the beneficial effects that:

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a preferred embodiment of a food safety detector according to the present invention;

FIG. 2 is a cross-sectional view of the stationary support plate shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the transfer mechanism shown in FIG. 1;

FIG. 4 is a side cross-sectional view of the detection housing and detection mechanism shown in FIG. 1;

FIG. 5 is an enlarged view of portion A of FIG. 1;

fig. 6 is an enlarged view of the portion B shown in fig. 2.

In the figure: 1. the device comprises a conveying mechanism, 11, a supporting baffle, 12, a first motor, 13, a conveying belt, 14, a roller, 2, a fixed supporting plate, 2a, a first sliding groove, 3, a detection shell, 3a, a sample inlet hole, 4, a detection mechanism, 41, a transparent window, 42, an extending sleeve, 43, a collection box, 5, a transmission mechanism, 51, a second motor, 52, a screw rod, 53, a moving block, 6, an extraction mechanism, 61, a hydraulic cylinder, 62, an extraction shell, 62a, a second sliding groove, 63, a fixed abutting plate, 64, a needle, 65, a push rod, 66, a piston, 7, a control mechanism, 71, a first magnet, 72, an electromagnet, 73, a second magnet, 74, a third magnet, 75, a first copper sheet, 76, a copper connecting belt, 77 and a second copper sheet.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1, the food safety detector of the present invention comprises a conveying mechanism 1, a fixed support plate 2, a detection housing 3, a detection mechanism 4, a transmission mechanism 5, an extraction mechanism 6 and a control mechanism 7, wherein the conveying mechanism 1 comprises a support baffle 11, a first motor 12, a conveyor belt 13 and a roller 14, the first motor 12 is mounted on the support baffle 11, the roller 14 is sleeved between the support baffle 11 and the first motor 12, and the conveyor belt 13 is sleeved on the roller 14; the fixed supporting plate 2 is fixedly connected to the outer side wall of the supporting baffle plate 11 on one side of the conveyor belt 13; the transmission mechanism 5 is arranged on the fixed support plate 2, the transmission mechanism 5 comprises a second motor 51, a lead screw 52 and a moving block 53, the second motor 51 is installed on the fixed support plate 2, the lead screw 52 is sleeved on the second motor 51, the moving block 53 is sleeved on the lead screw 52, and the moving block 53 is clamped and slidably connected in a first sliding groove 2a on the fixed support plate 2; the bottom of the moving block 53 is connected with the extracting mechanism 6, the extracting mechanism 6 comprises a hydraulic cylinder 61, an extracting shell 62, a fixed abutting plate 63, a needle 64, a push rod 65 and a piston 66, the hydraulic rod is installed and connected to the bottom of the moving block 53, the bottom of the hydraulic cylinder 61 is fixedly connected with the push rod 65, the push rod 65 penetrates into the extracting shell 62 and is connected to the piston 66, the piston 66 is slidably connected to the inner cavity of the extracting shell 62, the extracting shell 62 is connected to the fixed abutting plate 63 in a clamping manner, the fixed abutting plate 63 is fixedly connected to the inner side wall of the supporting baffle 11, and the needle 64 is connected to the tail end of the extracting shell 62; the extraction shell 62 and the fixed resisting plate 63 are provided with the control mechanism 7, the control mechanism 7 comprises a first magnet 71, an electromagnet 72, a second magnet 73, a third magnet 74, a first copper sheet 75, a copper connecting belt 76 and a second copper sheet 77, the second magnet 73 is arranged on the outer side wall of the top end of the piston 66, the third magnet 74 is arranged on one side, close to the second magnet 73, in a second sliding groove 62a in the extraction shell 62, the third magnet 74 is connected with the first copper sheet 75 on one side, away from the second magnet 73, of the third magnet 74, and the first copper sheet 75 is connected with the copper connecting belt 76 on one side of the extraction shell 62 in a sliding contact manner; the copper belt 76 is in contact connection with the second copper sheet 77 arranged on the fixed resisting plate 63, the electromagnet 72 is arranged at the bottom end of the groove on the fixed resisting plate 63, the electromagnet 72 is electrically connected with the second copper sheet 77, and the electromagnet 72 is magnetically connected with the first magnet 71 arranged at the bottom end of the extraction shell 62; one side of the supporting baffle 11, which is far away from the fixed supporting plate 2, is connected with the detection shell 3, and the top end of the detection shell 3 is provided with a sample inlet hole 3 a; the detection mechanism 4 is arranged in the detection shell 3.

Specifically, as shown in fig. 1 and 2, the fixed support plate 2 is in an "L" shape, so that the transmission mechanism 5 can be used to drive the extraction mechanism 6 to move transversely while being fixed, and the cross sections of the moving block 53 and the first sliding groove 2a are in inverted "convex" shapes with the same size, so that the moving block 53 is effectively limited, and the moving block 53 moves transversely on the fixed support plate 2 without rotating.

Specifically, as shown in fig. 1 and 5, the cross-section of the groove on the fixed supporting plate 63 is the bottom cross-section of the extracting housing 62 and the cross-section of the sample inlet hole 3a on the detecting housing 3 is a convex structure with equal size, so that the extracting housing 62 can be effectively inserted into the fixed supporting plate 63 and the detecting housing 3, and a collision effect is formed, so that after the hydraulic cylinder 61 is continuously pressed down, the piston 66 can be driven to slide up and down, the needle 64 is connected with the tail end of the extracting housing 62 through a thread, the top end radius of the needle 64 is equal to the bottom end radius of the extracting housing 62, and the needle 64 can be effectively driven to penetrate through the fixed supporting plate 63.

Specifically, as shown in fig. 2 and 6, the length of the copper belt 76 is smaller than the height of the inner cavity of the extraction housing 62, so that after the piston 66 is lifted by the hydraulic cylinder 61, the connection between the third magnet 74 and the copper belt 76 can be released, the electromagnet 72 is closed, the adsorption is released, and the extraction housing 62 can be lifted by the hydraulic cylinder 61.

Specifically, as shown in fig. 2 and 6, at least two first magnets 71, two electromagnets 72, two second magnets 73, two third magnets 74, and two copper belts 76 are provided on both sides of the extraction housing 62, so as to increase the stability of the adsorption.

Specifically, as shown in fig. 1, the top surface of the fixed abutting plate 63 and the top surface of the detection housing 3 are located on the same horizontal plane, the extraction mechanism 6 and the detection housing 3 are provided with a plurality of sample injection holes 3a, and a plurality of the extraction mechanism 6 and the sample injection holes 3a on the detection housing 3 are symmetrically arranged one by one, so that after extraction, the extraction housing 62 is controlled by a PLC to enter the sample injection holes 3a on the detection housing 3.

Specifically, as shown in fig. 1, detection mechanism 4 includes transparent window 41, stretches into cover 42 and collects box 43, transparent window 41 is located detect the inner chamber lateral wall of casing 3, it is located to detect on the casing 3 the bottom of transparent window 41 is equipped with stretch into cover 42, it is located to detect on the casing 3 the bottom of advancing appearance hole 3a is equipped with collect box 43, make things convenient for the measurement personnel to detect, guarantee the security that detects, prevent that the sample in the inner chamber of detecting casing 3 from being influenced the testing result by external pollution.

Specifically, as shown in fig. 1, the side view that detects casing 3 is the polygon structure that the top is rectangle, bottom is right trapezoid, just transparent window 41 locates deviate from on the detection casing 3 on the hypotenuse of one side of holding back plate 11, it is equipped with two to stretch into cover 42, just the diameter of stretching into cover 42 is greater than collect the width of box 43, when making more comfortable convenience when the measurement personnel use, can make things convenient for collect taking out of box 43 and change.

Will be surveyed the sample and convey the assigned position through transport mechanism 1, beat through PLC control drive mechanism 5 and draw mechanism 6 and draw the sample, draw the in-process and control and realize drawing through control mechanism 7, after finishing drawing, will draw on mechanism 6 pours into the inlet 3a that detects in the casing 3 into through drive mechanism 5, pour into through the sample and collect in the box 43, then testing personnel utilizes detection mechanism 4 to detect the sample, judges whether the sample is qualified. The method specifically comprises the following steps:

(1) the first motor 12 is turned on to drive the roller 14 to rotate, so as to drive the conveyor belt 13 to convey the sample to the position right below the fixed abutting plate 63.

(2) The PLC is started, the second motor 51 is started, the lead screw 52 is driven to rotate, the moving block 53 is driven to transversely move, the extracting mechanism 6 is driven to be positioned right above the fixed abutting plate 63, then the hydraulic cylinder 61 is utilized to push the push rod 65 to enable the extracting shell 62 to penetrate through the fixed abutting plate 63, the first copper sheet 75 on the extracting shell 62 is in contact connection with the copper connecting belt 76, a circuit between the first copper sheet 75 and the second copper sheet 77 to the electromagnet 72 is communicated, the electromagnet 72 is started, and the first magnet 71 is in adsorption connection, so that the extracting shell 62 is fixed. The cylinder 61 is then opened and raised, and the plunger 66 is raised by the push rod 65, thereby drawing the sample liquid into the cavity in the extraction housing 62. When the piston 66 is raised to the top, the first copper piece 75 is separated from the copper link 76, and the electromagnet 72 is released, thereby releasing the fixed connection of the extraction housing 62. Then, the PLC controls the second motor 51 to drive the moving block 53 to move transversely, so as to drive the extracting mechanism 6 to be positioned right above the sample inlet 3a on the detection housing 3. Then, the hydraulic cylinder 61 is opened, the extraction mechanism 6 is inserted into the well 3a of the detection housing 3, and the push rod 65 is pressed down to inject the sample liquid into the collection box 43 provided at the bottom end of the well 3 a.

(3) The tester can use the hand to stretch into the sleeve, and the inner cavity of the detection shell 3 is observed and tested through the transparent window 41, and whether the sample liquid is qualified is judged.

The detection shell 3 and the detection mechanism 4 are connected to the conveying mechanism 1, and sampling detection can be carried out anytime and anywhere according to production. Through traditional mechanism and 6 realization samples of mechanism of drawing during the sample to send the sample into and detect in detecting shell 3, realized full automatic sampling, do not need artifical sample, more convenient safety. The sampling is controlled by the control mechanism 7 in the sampling process, all samples are highly accurate and highly average, and the accuracy of sample detection is ensured. When the sample is detected, a user operates the detection shell 3 through the observation window and the stretching sleeve 42, so that the detection shell is safer and can prevent the sample from being polluted by the outside.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A food safety detector is characterized in that: the device comprises a conveying mechanism (1), a fixed supporting plate (2), a detection shell (3), a detection mechanism (4), a transmission mechanism (5), an extraction mechanism (6) and a control mechanism (7), wherein the conveying mechanism (1) comprises supporting baffles (11), a first motor (12), a conveyor belt (13) and a roller (14), the first motor (12) is installed on the supporting baffles (11), the roller (14) is sleeved between the supporting baffles (11) on the first motor (12), and the conveyor belt (13) is sleeved on the roller (14); the fixed supporting plate (2) is fixedly connected to the outer side wall of the supporting baffle (11) on one side of the conveyor belt (13); wherein the content of the first and second substances,

the transmission mechanism (5) is arranged on the fixed supporting plate (2), the transmission mechanism (5) comprises a second motor (51), a screw rod (52) and a moving block (53), the second motor (51) is installed on the fixed supporting plate (2), the screw rod (52) is sleeved on the second motor (51), the moving block (53) is sleeved on the screw rod (52), and the moving block (53) is clamped and slidably connected in a first sliding groove (2a) on the fixed supporting plate (2);

the bottom of the moving block (53) is connected with the extraction mechanism (6), the extraction mechanism (6) comprises a hydraulic cylinder (61), an extraction shell (62), a fixed abutting plate (63), a needle head (64), a push rod (65) and a piston (66), the hydraulic rod is installed and connected with the bottom of the moving block (53), the bottom of the hydraulic cylinder (61) is fixedly connected with the push rod (65), the push rod (65) penetrates into the extraction housing (62) and is connected to the piston (66), and the piston (66) is slidably connected in the inner cavity of the extraction housing (62), the extraction shell (62) is clamped and connected on the fixed abutting plate (63), the fixed abutting plate (63) is fixedly connected to the inner side wall of one side, far away from the fixed supporting plate, of the supporting baffle plate (11), and the tail end of the extracting shell (62) is connected with the needle head (64); the control mechanism (7) is arranged on the extracting shell (62) and the fixed abutting plate (63);

the control mechanism (7) comprises a first magnet (71), an electromagnet (72), a second magnet (73), a third magnet (74), a first copper sheet (75), a copper connecting belt (76) and a second copper sheet (77), the second magnet (73) is arranged on the outer side wall of the top end of the piston (66), the third magnet (74) is arranged on one side, close to the second magnet (73), in a second sliding groove (62a) in the extraction shell (62), the third magnet (74) is connected with the first copper sheet (75) on one side, away from the second magnet (73), of the third magnet (74), and the first copper sheet (75) is connected with the copper connecting belt (76) on one side of the extraction shell (62) in a sliding contact mode; the copper connecting belt (76) is in contact connection with the second copper sheet (77) arranged on the fixed abutting plate (63), the electromagnet (72) is arranged at the bottom end of the groove in the fixed abutting plate (63), the electromagnet (72) is electrically connected with the second copper sheet (77), and the electromagnet (72) is magnetically connected with the first magnet (71) arranged at the bottom end of the extracting shell (62); one side of the supporting baffle (11) departing from the fixed supporting plate (2) is connected with the detection shell (3), and the top end of the detection shell (3) is provided with a sample inlet hole (3 a); the detection mechanism (4) is arranged in the detection shell (3).

2. The food safety detector of claim 1, wherein: the fixed supporting plate (2) is of an L-shaped structure, and the cross sections of the moving block (53) and the first sliding groove (2a) are of inverted convex structures with the same size.

3. The food safety detector of claim 1, wherein: the cross-section of the recess on the fixed board (63) of supporting do with draw the bottom cross-section of casing (62) and detect the cross-section of the hole of going into (3a) on casing (3) and be "protruding" shape structure that the size equals, just syringe needle (64) with draw threaded connection between the end of casing (62), just the top radius of syringe needle (64) with the bottom radius of drawing casing (62) equals.

4. The food safety detector of claim 1, wherein: the length of the copper strap (76) is less than the height of the interior cavity of the extraction housing (62).

5. The food safety detector of claim 4, wherein: the first magnet (71), the electromagnet (72), the second magnet (73), the third magnet (74) and the copper are at least provided with two, and the first magnet (71), the electromagnet (72), the second magnet (73), the third magnet (74) and the copper are symmetrically arranged on two sides of the extraction shell (62).

6. The food safety detector of claim 1, wherein: the top surface of fixed butt plate (63) with the top surface that detects casing (3) is in on the same horizontal plane, draw mechanism (6) with detect on casing (3) advance appearance hole (3a) be equipped with a plurality ofly, and a plurality of draw mechanism (6) with it sets up to detect advance appearance hole (3a) one-to-one on casing (3).

7. The food safety detector of claim 1, wherein: detection mechanism (4) include transparent window (41), stretch into cover (42) and collect box (43), transparent window (41) are located detect the inner chamber lateral wall of casing (3), it lies in to detect casing (3) the bottom of transparent window (41) is equipped with stretch into cover (42), it lies in to detect casing (3) the bottom of advance appearance hole (3a) is equipped with collect box (43).

8. The food safety detector of claim 7, wherein: the side view that detects casing (3) is the polygon structure that rectangle, bottom are right trapezoid for the top, just transparent window (41) are located it deviates from on detection casing (3) on the hypotenuse of one side of supporting baffle (11), it is equipped with two to stretch into cover (42), just the diameter that stretches into cover (42) is greater than collect the width of box (43).