CN113358833A

CN113358833A - Sampling detection device for food processing

Info

Publication number: CN113358833A
Application number: CN202110667937.4A
Authority: CN
Inventors: 陈宝宏; 蒋彩云; 吴晓红; 马震雷
Original assignee: Jiangsu Institute of Economic and Trade Technology
Current assignee: Jiangsu Institute of Economic and Trade Technology
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-09-07

Abstract

The invention discloses a sampling detection device for food processing, which comprises a processing tank, wherein a ] type fixing frame is arranged on one side of the processing tank, a sampling mechanism is arranged on the inner side of the ] type fixing frame, and the sampling mechanism comprises a quantitative sampling assembly, a collecting bottle conversion assembly and a leakage-proof assembly; the quantitative sampling assembly comprises: the piston cylinder is horizontally fixed at the top end inside the type fixing frame through the connecting column, and one end of the piston cylinder is provided with the sampling pipe and the sample discharge pipe respectively. The reciprocating driving piece drives the reciprocating rod to reciprocate left and right, so that the piston I is driven to reciprocate left and right in the piston cylinder, when the piston moves to the right side, liquid food in the processing tank can be sucked into the piston cylinder through the sampling pipe, when the piston moves to the left side, the liquid food in the piston cylinder can be discharged into the sampling bottle through the sampling pipe, the liquid food can be continuously and quantitatively sampled for multiple times, and the use is convenient.

Description

Sampling detection device for food processing

Technical Field

The invention relates to the technical field of food processing, in particular to a sampling detection device for food processing.

Background

The food detection is to detect the content of substances in food so as to check whether the food meets the national food requirements.

The device for detecting the nutrient content in the liquid food cannot carry out quantitative detection on the food in the detection of the food, and needs to carry out single sampling in the sampling process, so that the sampling is carried out for multiple times, the obtained liquid to be detected is respectively detected, the operation is more complicated, and therefore, the sampling detection device for food processing is provided to solve the problems.

Disclosure of Invention

The present invention is directed to a sampling inspection device for food processing to solve the above problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: a sampling detection device for food processing comprises a processing tank, wherein a type fixing frame is arranged on one side of the processing tank, a sampling mechanism is arranged on the inner side of the type fixing frame, and the sampling mechanism comprises a quantitative sampling assembly, a collecting bottle conversion assembly and a leakage-proof assembly;

the quantitative sampling assembly comprises:

the piston cylinder is horizontally fixed at the top end inside the ] type fixing frame through a connecting column, one end of the piston cylinder is respectively provided with a sampling pipe and a sample discharge pipe, the other end of the sampling pipe is communicated with the processing tank, the other end of the sample discharge pipe vertically extends downwards, and the sampling pipe and the sample discharge pipe are respectively provided with a one-way valve I and a one-way valve II;

the piston I is limited in the piston cylinder in a sliding mode, a reciprocating rod is vertically arranged on one side, away from the sample discharge pipe, of the piston I, and the other end of the reciprocating rod extends to one end of the piston cylinder;

the reciprocating driving piece is used for driving the reciprocating rod to reciprocate left and right;

the collection bottle conversion assembly comprises:

the rotating shaft is rotatably arranged at the bottom end of the type fixing frame, a one-way bearing is arranged on the rotating shaft, and a gear is rotatably matched at the outer side of the one-way bearing;

the rotating disc is coaxially fixed at the top end of the rotating shaft, collecting bottle fixing seats are uniformly arranged at the side edge of the top end of the rotating disc along the circumferential direction of the rotating disc, and collecting bottles are clamped in the collecting bottle fixing seats; and one of the collection bottles is positioned right below the sample discharge pipe;

the first hydraulic cylinder is fixed on the side wall of the inner side of the type fixing frame, a second piston is arranged in the hydraulic cylinder in a sliding and transverse mode, a rack is vertically arranged on one side, close to the rotating shaft, of the second piston, and the rack extends to the gear to be meshed with the gear;

the hydraulic cylinder II is fixed at the top of the fixing frame, a piston III is longitudinally arranged in the hydraulic cylinder II in a sliding mode, a guide block is vertically arranged at the bottom of the piston III, an inclined plane I is arranged on one side, close to the piston cylinder, of the bottom of the guide block, and a return spring I is arranged at the top of the piston III;

the connecting pipe is arranged between the second hydraulic cylinder and the first hydraulic cylinder;

the push rod is vertically arranged at the top of the reciprocating rod, and the top of the reciprocating rod is provided with a second inclined plane which is matched with the first inclined plane;

in the motion stroke of the reciprocating rod, a first section of stroke that the push rod is not contacted with the guide block, a second section of end stroke that the inclined plane of the push rod is contacted with the inclined plane of the guide block so as to enable the guide block to move upwards or downwards, and a third section of stroke that the top of the push rod is contacted with the bottom of the guide block so as to prevent the guide block from moving downwards are provided.

The leak protection assembly includes:

the movable sleeve is sleeved outside the sample discharge pipe, one side of the sleeve is provided with a first oil cylinder, a piston IV is longitudinally arranged in the first oil cylinder in a sliding mode, the bottom of the piston IV is vertically provided with a connecting rod, and the bottom end of the connecting rod extends to be fixedly connected with the bottom end of the sleeve;

the movable cylinder is transversely movably arranged on the connecting column in a penetrating manner, a movable rod is movably limited in the movable cylinder, and the other end of the movable rod penetrates through the reciprocating rod and is fixedly connected with a limiting block;

the oil liquid cylinder II is fixed on the connecting column above the movable cylinder, a piston V is arranged in the oil liquid cylinder II in a transverse sliding mode, one side, far away from the reciprocating rod, of the piston V is fixedly connected with an L-shaped rod, and the L-shaped rod is connected with one end, far away from the reciprocating rod, of the movable cylinder; and

the first oil pipe is arranged between the first oil cylinder and the second oil cylinder;

when the piston five is positioned at the right end of the oil liquid cylinder II, the piston four position is positioned at the bottom end of the oil liquid cylinder I, and when the piston five is positioned at the left end of the oil liquid cylinder II, the piston four position is positioned at the top end of the oil liquid cylinder I;

in the first section of stroke of the reciprocating rod, the push rod has a retraction stroke for pushing the movable cylinder to enable the piston to move leftwards, and the sleeve retracts to exit the collecting bottle;

in the third section of stroke of the reciprocating rod, the push rod has an extension stroke of pulling the movable rod to drive the movable cylinder to move towards the right side so as to enable the piston five to move rightwards and enable the sleeve to extend into the collecting bottle.

Preferably, the sampling mechanism further comprises a residual sample absorbing assembly, the residual sample absorbing assembly comprising: the excess material sample recovery box is fixed at the top of the fixing frame; the liquid suction cylinder is fixed on the top of the fixing frame at one side of the connecting column, one end, far away from the reciprocating rod, of the liquid suction cylinder is provided with a first liquid suction pipe and a first liquid discharge pipe respectively, a third one-way valve and a fourth one-way valve are arranged on the first liquid suction pipe and the first liquid discharge pipe respectively, the other end of the first liquid suction pipe is connected with the sample discharge pipe, the other end of the first liquid discharge pipe is connected with the excess sample recovery box, one end, close to the reciprocating rod, of the liquid suction cylinder is provided with a second liquid suction pipe and a second liquid discharge pipe respectively, a fifth one-way valve and a sixth one-way valve are arranged on the second liquid suction pipe and the second liquid discharge pipe respectively, the other end of the second liquid suction pipe is connected with the sampling pipe, and the other end of the second liquid discharge pipe is connected with the excess sample recovery box; piston six, lateral sliding sets up inside the imbibition section of thick bamboo, piston six is close to one side of reciprocating lever and is provided with the depression bar perpendicularly, the other end of depression bar runs through the spliced pole extends to the one end of piston section of thick bamboo, six opposite sides of piston are provided with reset spring two.

Preferably, in the first stroke of the reciprocating rod, the push rod has a liquid suction and liquid discharge stroke for pushing the press rod to move the piston to the right.

Preferably, the reciprocating driving element comprises a supporting plate fixed at the top of the fixing frame, a rotating disc rotatably arranged on one side of the supporting plate, a driving motor fixed on the other side of the supporting plate and used for driving the rotating disc, and a hinge rod hinged to the edge of the rotating disc far away from one side of the supporting plate, wherein the other end of the hinge rod is hinged to one end, far away from the piston cylinder, of the reciprocating rod.

Preferably, the sleeve and the sampling pipe are in interference fit.

Compared with the prior art, the invention has the beneficial effects that:

(1) the quantitative sampling assembly is arranged, when the quantitative sampling assembly is used, the reciprocating rod is driven to reciprocate left and right through the reciprocating driving piece, the piston I is further driven to reciprocate left and right in the piston cylinder, when the piston moves to the right side, liquid food in the processing tank can be sucked into the piston cylinder through the sampling pipe, when the piston moves to the left side, the liquid food in the piston cylinder can be discharged into the sampling bottle through the sampling pipe, the liquid food can be continuously and quantitatively sampled for multiple times, and the quantitative sampling assembly is convenient to use.

(2) When the collecting bottle switching assembly is used, when the reciprocating rod moves towards the right side to drive the push rod to enter a second section of stroke, the second inclined surface of the push rod is contacted with the first inclined surface of the guide block, the guide block is pushed to move upwards through the matching between the inclined surfaces, the guide block moves upwards to push the second piston inside the first hydraulic cylinder to move upwards, and further hydraulic oil inside the first hydraulic cylinder is led into the second hydraulic cylinder through the connecting pipe, so that the third piston inside the second hydraulic cylinder drives the rack to move towards the left side to drive the gear to rotate, in the process, the one-way bearing is in a locking state, the gear is fixed on the rotating shaft at the moment, the gear rotates to drive the rotating disc to rotate through the rotating shaft, the next sampling bottle of the rotating disc to move to the lower part of the sample discharge pipe, the sampling bottle is automatically replaced, and when the reciprocating rod moves towards the left side to drive the push rod to enter the second section of stroke, the piston II in the hydraulic cylinder I moves downwards under the action of the first reset spring, hydraulic pressure in the hydraulic cylinder II is sucked into the hydraulic cylinder I, so that the piston III in the hydraulic cylinder II drives the rack to move towards the right side to drive the gear to rotate.

(3) By arranging the leakage-proof component, when the reciprocating rod moves towards the right side to drive the push rod to enter the extension stroke, at the moment, the sampling bottle is replaced, the movable rod in the movable cylinder extends to the maximum length, the push rod moves through the limit block to drive the movable rod and the movable cylinder to move towards the right side, further, the L-shaped rod pushes the piston five in the oil cylinder II to the right side so that the piston four drives the connecting rod to move downwards, so that the sleeve extends into the sampling bottle to avoid sample leakage during sample discharge, when the reciprocating rod moves to the left side to drive the push rod to enter a retraction stroke, the push rod is abutted against the movable cylinder to push the movable cylinder to move to the left side, and then promote piston five to move to the left and make piston four drive the connecting rod and upwards move to make inside the sleeve pipe released the sample bottle, when being convenient for next sample suction, to the change of sample bottle.

(4) By arranging the residual sample absorbing assembly, when the reciprocating rod moves towards the right side to drive the push rod to enter a liquid suction and liquid drainage stroke, the push rod is in contact with the press rod to push the piston six of the press rod to move towards the left side to compress the return spring six to extrude the return spring, in the process, the piston six discharges residual materials in one end of the liquid suction cylinder into the residual sample recovery box through the liquid outlet pipe for a while, the residual materials in the sampling pipe are sucked into the other end of the liquid suction cylinder through the liquid suction pipe two, and when the reciprocating rod moves towards the left side to drive the push rod to enter the liquid suction and liquid drainage stroke, the piston six moves towards the right side under the action of the return spring, in the process, the piston six discharges the residual materials in one end of the liquid suction cylinder into the residual sample recovery box through the liquid outlet pipe two, and simultaneously sucks the residual materials in the sampling pipe into the other end of the liquid suction cylinder through the liquid suction pipe for avoiding long-time undetected state and when the piston is used again, the residual food in the tube affects the detection result.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a movable barrel according to the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 at A;

fig. 4 is a schematic view of a partial structure at B of fig. 1.

In the figure: 1. processing the tank; 2. a type mount; 3. a quantitative sampling component; 31. a piston cylinder; 32. connecting columns; 33. a sampling tube; 34. a sample discharge pipe; 35. a one-way valve I; 36. a second one-way valve; 37. a first piston; 38. a reciprocating lever; 39. a reciprocating drive member; 391. a support plate; 392. rotating the disc; 393. a hinged lever; 4. a collection bottle conversion assembly; 41. a rotating shaft; 42. a one-way bearing; 43. a gear; 44. rotating the disc; 45. a collecting bottle fixing seat; 46. a collection bottle; 47. a first hydraulic cylinder; 48. a second piston; 49. a rack; 410. a second hydraulic cylinder; 411. a piston III; 412. a guide block; 413. a first inclined plane; 414. a first return spring; 415. a connecting pipe; 416. a push rod; 417. a second inclined plane; 5. a leak-proof assembly; 51. a sleeve; 52. a first oil liquid cylinder; 53. a piston IV; 54. a connecting rod; 55. a movable barrel; 56. a movable rod; 57. a limiting block; 58. a second oil cylinder; 59. a piston V; 510. an L-shaped rod; 511. an oil pipe I; 6. a residual sample absorbing assembly; 61. a residual material sample recovery box; 62. a liquid suction cylinder; 63. a first liquid suction pipe; 64. a first liquid outlet pipe; 65. a one-way valve III; 66. a one-way valve IV; 67. a second liquid suction pipe; 68. a second liquid outlet pipe; 69. a one-way valve V; 610. a one-way valve six; 611. a piston six; 612. a pressure lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a sampling detection device for food processing comprises a processing tank 1, wherein one side of the processing tank 1 is provided with a type fixing frame 2, the inner side of the type fixing frame 2 is provided with a sampling mechanism, and the sampling mechanism comprises a quantitative sampling component 3, a collecting bottle conversion component 4 and a leakage-proof component 5;

the quantitative sampling assembly 3 includes: the piston cylinder 31 is horizontally fixed at the top end inside the ] type fixing frame 2 through a connecting column 32, one end of the piston cylinder 31 is respectively provided with a sampling pipe 33 and a sample discharge pipe 34, the other end of the sampling pipe 33 is communicated with the processing tank 1, the other end of the sample discharge pipe 34 vertically extends downwards, and the sampling pipe 33 and the sample discharge pipe 34 are respectively provided with a one-way valve I35 and a one-way valve II 36; the first piston 37 is limited in the piston cylinder 31 in a sliding manner, a reciprocating rod 38 is vertically arranged on one side of the first piston 37, which is far away from the sample discharge pipe 34, and the other end of the reciprocating rod 38 extends to one end of the piston cylinder 31; a reciprocating drive member 39 for driving the reciprocating lever 38 to reciprocate left and right;

the collection bottle transition assembly 4 includes: the rotating shaft 41 is rotatably arranged at the bottom end of the type fixing frame 2, a one-way bearing 42 is arranged on the rotating shaft 41, and a gear 43 is rotatably matched at the outer side of the one-way bearing 42; the rotating disc 44 is coaxially fixed at the top end of the rotating shaft 41, the side edge of the top of the rotating disc 44 is uniformly provided with a collecting bottle fixing seat 45 along the circumferential direction, and a collecting bottle 46 is clamped inside the collecting bottle fixing seat 45; and one of the collection vials 46 is positioned directly below the discharge tube 34; the first hydraulic cylinder 47 is fixed on the inner side wall of the fixing frame 2, a second piston 48 is slidably and transversely arranged in the first hydraulic cylinder, a rack 49 is vertically arranged on one side, close to the rotating shaft 41, of the second piston 48, and the rack 49 extends to the gear 43 to be meshed with each other; the second hydraulic cylinder 410 is fixed at the top of the fixing frame 2, a third piston 411 is longitudinally arranged in the second hydraulic cylinder 410 in a sliding mode, a guide block 412 is vertically arranged at the bottom of the third piston 411, a first inclined plane 413 is arranged at one side, close to the piston cylinder 31, of the bottom of the guide block 412, and a first return spring 414 is arranged at the top of the third piston 411; the connecting pipe 415 is arranged between the second hydraulic cylinder 410 and the first hydraulic cylinder 47; the push rod 416 is vertically arranged at the top of the reciprocating rod 38, and the top of the reciprocating rod 38 is provided with a second inclined plane 417 matched with the first inclined plane 413;

in the movement stroke of the reciprocating rod 38, there are a first stroke in which the push rod 416 is not in contact with the guide block 412, a second stroke in which the inclined surface 417 of the push rod 416 is in contact with the inclined surface of the guide block 412 so as to move the guide block 412 up or down, and a third stroke in which the top of the push rod 416 is in contact with the bottom of the guide block 412 so as to prevent the guide block 412 from moving down.

The leakage preventing member 5 includes: the sleeve 51 is movably sleeved outside the sample discharge pipe 34, one side of the sleeve 51 is provided with a first oil cylinder 52, a fourth piston 53 is longitudinally arranged in the first oil cylinder 52 in a sliding manner, the bottom of the fourth piston 53 is vertically provided with a connecting rod 54, and the bottom end of the connecting rod 54 extends to be fixedly connected with the bottom end of the sleeve 51; the movable cylinder 55 is transversely movably arranged on the connecting column 32 in a penetrating manner, a movable rod 56 is movably limited in the movable cylinder 55, and the other end of the movable rod 56 penetrates through the reciprocating rod 38 and is fixedly connected with a limiting block 57; the second oil cylinder 58 is fixed on the connecting column 32 above the movable cylinder 55, a fifth piston 59 is arranged in the second oil cylinder 58 in a transverse sliding mode, one side, far away from the reciprocating rod 38, of the fifth piston 59 is fixedly connected with an L-shaped rod 510, and the L-shaped rod 510 is connected with one end, far away from the reciprocating rod 38, of the movable cylinder 55; the first oil pipe 511 is arranged between the first oil cylinder 52 and the second oil cylinder 58;

when the piston five 59 is positioned at the right end of the oil liquid cylinder two 58, the piston four 53 is positioned at the bottom end of the oil liquid cylinder one 52, and when the piston five 59 is positioned at the left end of the oil liquid cylinder two 58, the piston four 53 is positioned at the top end of the oil liquid cylinder one 52; during the first stroke of the reciprocating rod 38, the push rod 416 has a retracting stroke of pushing the movable cylinder 55 to move the piston five 59 to the left, and retracting the sleeve 51 out of the collecting bottle 46; during the third stroke of the reciprocating rod 38, the push rod 416 has an extending stroke of pulling the movable rod 56 to move the movable cylinder 55 to the right, so that the piston five 59 moves to the right, and the sleeve 51 extends into the collecting bottle 46.

In this embodiment, the sampling mechanism 3 further includes a residual sample absorbing member 6, and the residual sample absorbing member 6 includes: the excess material sample recovery box 61 is fixed at the top of the ] type fixing frame 2; a liquid suction cylinder 62 fixed on the top of the fixing frame 2 on one side of the connecting column 32, wherein one end of the liquid suction cylinder 62, which is far away from the reciprocating rod 38, is provided with a first liquid suction pipe 63 and a first liquid discharge pipe 64 respectively, the first liquid suction pipe 63 and the first liquid discharge pipe 64 are provided with a third check valve 65 and a fourth check valve 66 respectively, the other end of the first liquid suction pipe 63 is connected with the sample discharge pipe 34, the other end of the first liquid discharge pipe 64 is connected with the residual sample recovery box 61, one end of the liquid suction cylinder 62, which is near to the reciprocating rod 38, is provided with a second liquid suction pipe 67 and a second liquid discharge pipe 68 respectively, the second liquid suction pipe 67 and the second liquid discharge pipe 68 are provided with a fifth check valve 69 and a sixth check valve 610 respectively, the other end of the second liquid suction pipe 67 is connected with the sampling pipe 33, and the other end of the second liquid discharge pipe 68 is connected with the residual sample recovery box 61; and a piston six 611 arranged inside the liquid suction cylinder 62 in a transverse sliding manner, wherein a pressing rod 612 is vertically arranged on one side of the piston six 611 close to the reciprocating rod 38, the other end of the pressing rod 612 penetrates through the connecting column 32 and extends to one end of the piston cylinder 31, and a second return spring 613 is arranged on the other side of the piston six 611.

In this embodiment, during the first stroke of the reciprocating rod 38, the push rod 416 has a liquid suction and liquid discharge stroke that pushes the push rod 612 to move the piston six 611 to the right.

In this embodiment, the reciprocating driving member 39 includes a supporting plate 391 fixed on the top of the fixing frame 2, a rotating disc 392 rotatably disposed on one side of the supporting plate 391, a driving motor fixed on the other side of the supporting plate 391 for driving the rotating disc 392, and a hinge lever 393 hinge-disposed at an edge of one side of the rotating disc 392 away from the supporting plate 391, wherein the other end of the hinge lever 393 is hinge-connected to one end of the reciprocating lever 38 away from the piston cylinder 31.

In this embodiment, the sleeve 51 and the sample tube 34 are in an interference fit.

The working principle is as follows: when in use, the reciprocating driving piece 39 drives the reciprocating rod 38 to reciprocate left and right, and further drives the piston 37 to reciprocate left and right in the piston cylinder 31, when the piston 37 moves to the right, the liquid food in the processing tank 1 can be pumped into the piston cylinder 31 through the sampling pipe 33, when the piston 37 moves to the left, the liquid food in the piston cylinder 31 can be discharged into the collecting bottle 4646 through the sampling pipe 34, the liquid food can be continuously and quantitatively sampled for a plurality of times, the use is convenient,

when the reciprocating rod 38 moves to the right to drive the push rod 416 to enter the second section of stroke, the second inclined surface 417 of the push rod 416 contacts with the first inclined surface 413 of the guide block 412, the guide block 412 is pushed to move upwards through the matching between the inclined surfaces, the guide block 412 moves upwards to push the second piston 411 inside the first hydraulic cylinder 410 to move upwards, and further, hydraulic oil inside the first hydraulic cylinder 410 is led into the second hydraulic cylinder 47 through the connecting pipe 415, so that the third piston 48 inside the second hydraulic cylinder 47 drives the rack 49 to move to the left to drive the gear 43 to rotate, in the process, the one-way bearing 42 is in a locking state, at the moment, the gear 43 is equivalently fixed on the rotating shaft 41, so that the gear 43 rotates to drive the rotating disc 44 to rotate through the rotating shaft 41, so that the next collecting bottle 46 of the rotating disc 44 moves to the lower part of the sample discharge pipe 34, the collecting bottle 46 is automatically replaced, and the reciprocating rod 38 moves to the left to drive the push rod 416 to enter the second section of stroke, the piston second 411 in the hydraulic cylinder first 410 moves downwards under the action of the return spring first 414, and the hydraulic pressure in the hydraulic cylinder second 47 is sucked back to the hydraulic cylinder first 410, so that the piston third 48 in the hydraulic cylinder second 47 drives the rack 49 to move towards the right side to drive the gear 43 to rotate, in the process, the one-way bearing 42 is in a movable state, at the moment, the gear 43 is equivalent to a common bearing, only the gear 43 rotates, and the rotating disc 44 cannot rotate, namely, the collecting bottle 46 on the rotating disc 44 can be automatically replaced when the piston cylinder 31 sucks a sample, manual replacement is not needed, and the use is convenient,

when the reciprocating rod 38 moves towards the right side to drive the push rod 416 to enter the extension stroke, at this time, the collection bottle 46 is replaced, the movable rod 56 in the movable cylinder 55 extends to the maximum length, the push rod 416 moves through the limit block 57 to drive the movable rod 56 and the movable cylinder 55 to move towards the right side, and then the L-shaped rod 510 pushes the piston five 59 in the oil cylinder two 58 to move towards the right side, so that the piston four 53 drives the connecting rod 54 to move downwards, and further the sleeve 51 extends into the collection bottle 46, so that the sample is prevented from leaking during sample discharging,

when the reciprocating rod 38 moves to the left side to drive the push rod 416 to enter a retraction stroke, the push rod 416 and the movable cylinder 55 are in interference fit to push the movable cylinder 55 to move to the left side, and further, the piston five 59 moves to the left side, so that the piston four 53 drives the connecting rod 54 to move upwards, so that the sleeve 51 is pushed out of the interior of the collection bottle 46, the collection bottle 46 is convenient to replace when a sample is sucked next time, when the reciprocating rod 38 moves to the right side to drive the push rod 416 to enter a liquid suction and liquid discharge stroke, the push rod 416 and the press rod 612 are in contact with each other to push the piston six 611 of the press rod 612 to move towards the left side to move the compression return spring two 613, in the process, the piston six 611 can discharge the residual material in one end of the liquid suction cylinder 62 into the residual material recovery box 61 through the liquid discharge pipe one 64, simultaneously suck the residual material in the sample suction pipe 33 into the other end of the liquid suction and liquid discharge cylinder 62 through the second 67, and when the reciprocating rod 38 moves to the push rod 416 to the left side to drive the push rod 416 to enter a liquid discharge stroke, the piston six 611 moves towards the right side under the action of the second return spring 613, in the process, the piston six 611 discharges the excess materials in one end of the liquid suction cylinder 62 into the excess material sample recovery box 61 through the second liquid outlet pipe 68, and simultaneously sucks the excess materials in the sampling pipe 33 into the other end of the liquid suction cylinder 62 through the first liquid suction pipe 63, so that the phenomenon that the detection result is influenced by the residual food in the pipe when the liquid suction cylinder is not detected for a long time and is used again is avoided.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A sampling detection device for food processing comprises a processing tank (1), and is characterized in that a ] type fixing frame (2) is arranged on one side of the processing tank (1), a sampling mechanism is arranged on the inner side of the ] type fixing frame (2), and the sampling mechanism comprises a quantitative sampling component (3), a collecting bottle conversion component (4) and a leakage-proof component (5);

the quantitative sampling assembly (3) comprises:

the piston cylinder (31) is horizontally fixed at the top end inside the ] type fixing frame (2) through a connecting column (32), one end of the piston cylinder (31) is provided with a sampling pipe (33) and a sampling pipe (34) respectively, the other end of the sampling pipe (33) is communicated with the processing tank (1), the other end of the sampling pipe (34) vertically extends downwards, and the sampling pipe (33) and the sampling pipe (34) are provided with a one-way valve I (35) and a one-way valve II (36) respectively;

the piston I (37) is limited in the piston cylinder (31) in a sliding mode, a reciprocating rod (38) is vertically arranged on one side, away from the sampling pipe (34), of the piston I (37), and the other end of the reciprocating rod (38) extends to one end of the piston cylinder (31);

a reciprocating driving piece (39) for driving the reciprocating rod (38) to reciprocate left and right;

the collection bottle transition assembly (4) comprises:

the rotating shaft (41) is rotatably arranged at the bottom end of the type fixing frame (2), a one-way bearing (42) is arranged on the rotating shaft (41), and a gear (43) is rotatably matched at the outer side of the one-way bearing (42);

the rotating disc (44) is coaxially fixed at the top end of the rotating shaft (41), the side edge of the top of the rotating disc (44) is uniformly provided with a collecting bottle fixing seat (45) along the circumferential direction, and a collecting bottle (46) is clamped in the collecting bottle fixing seat (45); and wherein one of said collection vials (46) is located directly below said discharge tube (34);

the hydraulic cylinder I (47) is fixed on the inner side wall of the fixing frame (2), a piston II (48) is arranged in the hydraulic cylinder in a sliding and transverse mode, a rack (49) is vertically arranged on one side, close to the rotating shaft (41), of the piston II (48), and the rack (49) extends to the gear (43) to be meshed with each other;

the hydraulic cylinder II (410) is fixed at the top of the fixing frame (2), a piston III (411) is longitudinally arranged in the hydraulic cylinder II (410) in a sliding mode, a guide block (412) is vertically arranged at the bottom of the piston III (411), a first inclined plane (413) is arranged on one side, close to the piston cylinder (31), of the bottom of the guide block (412), and a first return spring (414) is arranged at the top of the piston III (411);

the connecting pipe (415) is arranged between the second hydraulic cylinder (410) and the first hydraulic cylinder (47);

the push rod (416) is vertically arranged at the top of the reciprocating rod (38), and the top of the reciprocating rod (38) is provided with a second inclined plane (417) matched with the first inclined plane (413);

in the motion stroke of the reciprocating rod (38), a first stroke that the push rod (416) is not contacted with the guide block (412), a second inclined surface (417) of the push rod (416) is contacted with the inclined surface of the guide block (412) so as to enable the guide block (412) to move upwards or downwards, and a third stroke that the top of the push rod (416) is contacted with the bottom of the guide block (412) so as to prevent the guide block (412) from moving downwards are provided.

The leak-proof assembly (5) comprises:

the device comprises a sleeve (51) which is movably sleeved on the outer side of a sample discharge pipe (34), one side of the sleeve (51) is provided with a first oil cylinder (52), a fourth piston (53) is longitudinally arranged in the first oil cylinder (52) in a sliding manner, the bottom of the fourth piston (53) is vertically provided with a connecting rod (54), and the bottom end of the connecting rod (54) extends to be fixedly connected with the bottom end of the sleeve (51);

the movable cylinder (55) is transversely movably arranged on the connecting column (32) in a penetrating manner, a movable rod (56) is movably limited in the movable cylinder (55), and the other end of the movable rod (56) penetrates through the reciprocating rod (38) and is fixedly connected with a limiting block (57);

the oil-liquid cylinder II (58) is fixed on the connecting column (32) above the movable cylinder (55), a piston fifth (59) is arranged in the oil-liquid cylinder II (58) in a transverse sliding mode, one side, far away from the reciprocating rod (38), of the piston fifth (59) is fixedly connected with an L-shaped rod (510), and the L-shaped rod (510) is connected with one end, far away from the reciprocating rod (38), of the movable cylinder (55); and

the first oil pipe (511) is arranged between the first oil cylinder (52) and the second oil cylinder (58);

when the piston five (59) is positioned at the right end of the oil liquid cylinder two (58), the piston four (53) is positioned at the top end of the oil liquid cylinder one (52), and when the piston five (59) is positioned at the left end of the oil liquid cylinder two (58), the piston four (53) is positioned at the bottom end of the oil liquid cylinder one (52);

during the first stroke of the reciprocating rod (38), the push rod (416) has a retraction stroke of pushing the movable cylinder (55) to move the piston five (59) to the left and retract the sleeve (51) out of the collecting bottle (46);

in the third section of the stroke of the reciprocating rod (38), the push rod (416) has an extending stroke of pulling the movable rod (56) to drive the movable cylinder (55) to move towards the right side so as to enable the piston five (59) to move rightwards and enable the sleeve (51) to extend into the collecting bottle (46).

2. The sampling and detecting device for food processing according to claim 1, wherein: the sampling mechanism (3) further comprises a residual sample absorbing assembly (6), the residual sample absorbing assembly (6) comprising: the excess material sample recovery box (61) is fixed at the top of the type fixing frame (2); the liquid suction cylinder (62) is fixed at the top of the ] type fixing frame (2) on one side of the connecting column (32), one end, far away from the reciprocating rod (38), of the liquid suction cylinder (62) is provided with a liquid suction pipe I (63) and a liquid discharge pipe I (64), the liquid suction pipe I (63) and the liquid discharge pipe I (64) are provided with a check valve III (65) and a check valve IV (66) respectively, the other end of the liquid suction pipe I (63) is connected with the sample discharge pipe (34), the other end of the liquid discharge pipe I (64) is connected with the excess material sample recovery box (61), one end, close to the reciprocating rod (38), of the liquid suction cylinder (62) is provided with a liquid suction pipe II (67) and a liquid discharge pipe II (68) respectively, the liquid suction pipe II (67) and the liquid discharge pipe II (68) are provided with a check valve V (69) and a check valve VI (610) respectively, and the other end of the liquid suction pipe II (67) is connected with the sample discharge pipe (33), the other end of the second liquid outlet pipe (68) is connected with a residual material sample recovery box (61); and the piston six (611) is transversely arranged in the liquid suction cylinder (62) in a sliding manner, a pressing rod (612) is vertically arranged on one side, close to the reciprocating rod (38), of the piston six (611), the other end of the pressing rod (612) penetrates through the connecting column (32) and extends to one end of the piston cylinder (31), and a second return spring (613) is arranged on the other side of the piston six (611).

3. The sampling and detecting device for food processing according to claim 2, wherein: in the first stroke of the reciprocating rod (38), the push rod (416) has a liquid suction and liquid discharge stroke for pushing the press rod (612) to move the piston six (611) to the right side.

4. The sampling and detecting device for food processing according to claim 1, wherein: the reciprocating driving part (39) comprises a supporting plate (391) fixed at the top of the type fixing frame (2), a rotating disc (392) rotatably arranged on one side of the supporting plate (391), a driving motor fixed on the other side of the supporting plate (391) and used for driving the rotating disc (392), and a hinge rod (393) hinged to the edge of the rotating disc (392) far away from the supporting plate (391), wherein the other end of the hinge rod (393) is hinged to one end, far away from the piston cylinder (31), of the reciprocating rod (38).

5. The sampling and detecting device for food processing according to claim 1, wherein: the sleeve (51) and the sampling pipe (34) are in interference fit.