Sample crushing device for food safety detection

Abstract

The utility model provides a sample crushing device for food safety detection, which comprises a workbench and a flexible pipe, the workbench is provided with a chamber, a crushing cavity and an annular cavity, the chamber, the crushing cavity and the annular cavity are coaxial, and the chamber is arranged below the crushing cavity; the chamber is communicated with the crushing cavity; a plurality of limiting holes are evenly formed in the workbench, located between the smashing cavity and the annular cavity in a circumferential array shape and communicated with the smashing cavity and the annular cavity. Due to the overall arrangement of the food sample crusher, not only can a plurality of different food samples be crushed simultaneously, but also the food sample crusher cannot be in direct contact with the samples in the crushing process, so that the trouble that cleaning is needed after each crushing in the later period is avoided, and the whole food sample crusher is more convenient, flexible and efficient.

Description

Technical Field

[0001] The utility model relates to the field of food safety, and in particular to a sample crushing device for food safety detection. Background Art

[0002] Food safety testing is to detect harmful substances in food according to national indicators, mainly some harmful and toxic indicators, such as heavy metals, aflatoxin, etc. This is an important aspect of food science and engineering. By introducing and applying chemical unit operations, the food industry is promoted to develop in the direction of large-scale, continuous and automated production.

[0003] In order to facilitate testing, the test samples need to be crushed. However, in the existing sample crushing device for food safety testing, the crushing blade of the crushing device needs to be in direct contact with the sample during the sample crushing process. In this way, not only can multiple different samples not be crushed at the same time, but it is also very inconvenient to clean later.

[0004] Therefore, it is very necessary to invent a sample crushing device for food safety testing. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a technical solution adopted by a sample crushing device for food safety detection: a sample crushing device for food safety detection, comprising a workbench and a flexible tube, wherein: a chamber, a crushing chamber and an annular chamber are provided on the workbench, and the chamber, the crushing chamber and the annular chamber are coaxial, and the chamber is below the crushing chamber; the chamber is connected with the crushing chamber; a plurality of limiting holes are evenly distributed on the workbench, and the limiting holes are in a circular array between the crushing chamber and the annular chamber, and the limiting holes are connected with the crushing chamber and the annular chamber; the inner diameter of the chamber is smaller than the inner diameter of the crushing chamber, and the inner diameter of the crushing chamber is smaller than the inner diameter of the annular chamber;

[0006] Preferably, a crushing mechanism is fixedly installed in the chamber; a limiting mechanism is slidably installed in the limiting hole, and the limiting mechanisms are connected through an inner gear ring meshing transmission; the inner gear ring is rotatably installed inside the ring cavity; a motor is fixedly installed on the workbench, and the output end of the motor rotates through the workbench and is fixedly connected to one of the limiting mechanisms;

[0007] Preferably, the pulverizing mechanism comprises a driving motor, and a rotating table is fixedly installed at the output end of the driving motor, and a plurality of semicircular cavities are evenly distributed on the circumference of the rotating table; a rolling roller is rotatably installed in each of the semicircular cavities; the driving motor is fixedly installed in the chamber; the rotating table and the rolling roller are in the pulverizing chamber, and the rotating table and the rolling roller are rotatably connected to the pulverizing chamber;

[0008] Preferably, the limiting mechanism comprises a round rack, an upper gear and a lower gear, and the round rack is slidably installed in the corresponding limiting hole, one end of the round rack is in the crushing chamber, and the other end is in the annular cavity; an arc plate is fixedly installed at one end of the round rack in the crushing chamber, and an annular sleeve is fixedly installed above the arc plate; the bottom end of the flexible tube passes through the annular sleeve, and the top end of the flexible tube is stuck on the top of the annular sleeve, and the side of the flexible tube passing through the annular sleeve contacts with the arc plate; the round rack is meshingly connected with the upper gear, and the upper gear is fixedly connected with the lower gear, and the lower gear is coaxial with the upper gear; the lower gear is meshingly connected with the inner gear ring, and the lower gear is rotatably installed in the annular cavity; the output end of the motor is fixedly connected with one of the lower gears; the length of the arc plate matches the depth of the crushing chamber.

[0009] Preferably, an anti-dropout platform is fixedly mounted on one end of the round rack in the annular cavity, and the anti-dropout platform is slidably connected to the annular cavity, and the diameter of the anti-dropout platform is larger than the inner diameter of the limiting hole.

[0010] Preferably, a rotating shaft is fixedly mounted on the other end of the lower gear, and the rotating shaft is rotatably mounted in the annular cavity; and the output end of the motor is fixedly connected to a rotating shaft corresponding to the lower gear.

[0011] Preferably, a cover plate matching its shape is fixedly installed at the annular cavity of the workbench, and an axial hole is opened through the workbench, which is connected to the annular cavity; one of the rotating shafts is rotatably installed in the axial hole; the output end of the motor is rotatably installed in the axial hole; a control panel is fixedly installed on the outside of the workbench, and the controller inside the control panel is electrically connected to the drive motor and the motor for communication.

[0012] Preferably, the open end of the flexible tube is provided with an annular edge, and the diameter of the annular edge is larger than the inner diameter of the annular sleeve, and the annular edge is clamped on the top of the annular sleeve.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] The overall configuration of the utility model can not only crush a plurality of different food samples at the same time, but also avoid direct contact with the samples during the crushing process, thus avoiding the trouble of cleaning after each crushing in the later stage, thereby making the whole more convenient, flexible and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the internal structure of the ring cavity of the utility model.

[0016] Figure 2 It is a schematic diagram of the limit mechanism and the inner gear ring structure of the utility model.

[0017] Figure 3It is a schematic diagram of the structure of the pulverizing mechanism of the utility model.

[0018] Figure 4 It is a schematic diagram of the workbench structure of the utility model.

[0019] Figure 5 It is a schematic diagram of the overall structure of the utility model.

[0020] In the figure:

[0021] Workbench 1, chamber 2, crushing chamber 3, ring chamber 4, limiting hole 5, crushing mechanism 6, driving motor 61, rotating table 62, rolling roller 63, limiting mechanism 7, round rack 71, anti-slip table 72, arc plate 73, ring sleeve 74, upper gear 75, lower gear 76, rotating shaft 77, inner gear ring 8, motor 9, flexible tube 10, cover plate 11, control panel 12. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0023] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0024] The utility model is further described below in conjunction with the accompanying drawings:

[0025] Embodiment 1

[0026] Reference Figure 1-5 , a sample crushing device for food safety detection, comprising a workbench 1 and a flexible tube 10, wherein: a chamber 2, a crushing chamber 3 and an annular chamber 4 are provided on the workbench 1, and the chamber 2, the crushing chamber 3 and the annular chamber 4 are coaxial, the chamber 2 is below the crushing chamber 3, and the arrangement of the chamber 2 and the crushing chamber 3 can provide an installation space and a crushing space for a crushing mechanism 6; the chamber 2 is connected with the crushing chamber 3; a plurality of limiting holes 5 are evenly distributed on the workbench 1, and the arrangement of the limiting holes 5 can ensure the stability of the limiting mechanism 7 and the smoothness of the movement process, and the limiting holes 5 are in a circular array between the crushing chamber 3 and the annular chamber 4, and the limiting holes 5 are connected with the crushing chamber 3 and the annular chamber 4; the inner diameter of the chamber 2 is smaller than the inner diameter of the crushing chamber 3, and the inner diameter of the crushing chamber 3 is smaller than the inner diameter of the annular chamber 4, and the arrangement of the annular chamber 4 facilitates the later maintenance of the limiting mechanism 7;

[0027] A pulverizing mechanism 6 is fixedly installed in the chamber 2. Through the setting of the pulverizing mechanism 6, multiple different food samples can be pulverized at the same time; a limiting mechanism 7 is slidably installed in the limiting hole 5. Through the setting of the limiting mechanism 7, the flexible tube 10 can be supported and the distance between the flexible tube 10 and the pulverizing mechanism 6 can be controlled so as to pulverize the food sample inside the flexible tube 10. The limiting mechanisms 7 are meshed and driven by an inner gear ring 8. Through the setting of the inner gear ring 8, each limiting mechanism 7 can be driven by a motor 9 to operate simultaneously; the inner gear ring 8 is rotatably installed inside the annular cavity 4; a motor 9 is fixedly installed on the workbench 1, and the output end of the motor 9 rotates through the workbench 1 and is fixedly connected to one of the limiting mechanisms 7;

[0028] The crushing mechanism 6 includes a driving motor 61. The driving motor 61 can drive the rotating table 62 to rotate 360 ​​degrees, and the output end of the driving motor 61 is fixedly installed with the rotating table 62. The circumferential surface of the rotating table 62 is evenly provided with a plurality of semicircular cavities. The arrangement of the semicircular cavities can provide an installation space for the rolling roller 63, and ensure the stability and smoothness of the rolling roller 63 during the rotation process; a rolling roller 63 is rotatably installed in each semicircular cavity. The arrangement of the rolling roller 63 allows the rolling roller 63 to sequentially and orderly contact with the flexible tube 10 on the limiting mechanism 7 when the rotating table 62 rotates, thereby squeezing the food sample inside the flexible tube 10 and forcing the sample to be crushed; the driving motor 61 is fixedly installed in the chamber 2; the rotating table 62 and the rolling roller 63 are in the crushing chamber 3, and the rotating table 62 and the rolling roller 63 are rotatably connected with the crushing chamber 3;

[0029] The limiting mechanism 7 includes a round rack 71, an upper gear 75 and a lower gear 76. Through the arrangement of the round rack 71, the upper gear 75 and the lower gear 76, the round rack 71 can be forced to reciprocate along the limiting hole 5 under the drive of the motor 9, and the round rack 71 is slidably installed in the corresponding limiting hole 5, one end of the round rack 71 is in the crushing chamber 3, and the other end is in the annular cavity 4; an arc plate 73 is fixedly installed at one end of the round rack 71 in the crushing chamber 3, and through the arrangement of the arc plate 73, one side of the flexible tube 10 can be supported and limited, so that the flexible tube 10 can fully contact the rolling roller 63, and a ring sleeve 74 is fixedly installed above the arc plate 73, and the ring sleeve 74 is arranged The flexible tube 10 is placed so as to take and place the flexible tube 10, and can support and limit the position of the flexible tube 10; the bottom end of the flexible tube 10 passes through the ring sleeve 74, and the top end of the flexible tube 10 is stuck on the top of the ring sleeve 74, and the side of the flexible tube 10 passing through the ring sleeve 74 contacts the arc plate 73; the round rack 71 is meshed with the upper gear 75, and the upper gear 75 is fixedly connected with the lower gear 76, and the lower gear 76 is coaxial with the upper gear 75; the lower gear 76 is meshed with the inner gear ring 8, and the lower gear 76 is rotatably installed in the ring cavity 4; the output end of the motor 9 is fixedly connected to one of the lower gears 76; the length of the arc plate 73 matches the depth of the crushing cavity 3; the height of the ring sleeve 74 is greater than the height of the rolling roller 63.

[0030] An anti-detachment platform 72 is fixedly installed at one end of the circular rack 71 in the annular cavity 4. The anti-detachment platform 72 can prevent the circular rack 71 from separating from the limiting hole 5, and the anti-detachment platform 72 is slidably connected to the annular cavity 4. The diameter of the anti-detachment platform 72 is larger than the inner diameter of the limiting hole 5.

[0031] A rotating shaft 77 is fixedly installed at the other end of the lower gear 76. The setting of the rotating shaft 77 can ensure the stability between the lower gear 76 and the annular cavity 4 and the smoothness of the rotation process, and the rotating shaft 77 is rotatably installed in the annular cavity 4; the output end of the motor 9 is fixedly connected to a rotating shaft 77 corresponding to the lower gear 76.

[0032] A cover plate 11 matching its shape is fixedly installed at the annular cavity 4 of the workbench 1 to shield and protect the upper gear 75, the lower gear 76, the rotating shaft 77 and the inner gear ring 8 to prevent foreign matter from entering. An axial hole is penetrated through the workbench 1. The setting of the axial hole facilitates the connection between the output end of the motor 9 and the corresponding rotating shaft 77 and ensures the stability therebetween. The axial hole is connected to the annular cavity 4; one of the rotating shafts 77 is rotatably installed in the axial hole; the output end of the motor 9 is rotatably installed in the axial hole; a control panel 12 is fixedly installed on the outside of the workbench 1, and the controller inside the control panel 12 is electrically connected to the drive motor 61 and the motor 9 for communication.

[0033] The open end of the flexible tube 10 is provided with an annular edge, through which the position of the flexible tube 10 on the ring sleeve 74 can be limited, and the diameter of the annular edge is larger than the inner diameter of the ring sleeve 74 , and the annular edge is stuck on the top of the ring sleeve 74 .

[0034] It should be noted that, in the initial state, the round rack 71 is retracted in the annular cavity 4 .

[0035] In this embodiment, when crushing solid food samples, such as yellow light, apples, bananas, peppers, etc., the required sample doses are placed in a flexible tube 10, and then the flexible tube 10 containing the sample is placed in the corresponding ring sleeve 74; after placement, the drive motor 61 is rotated, and the drive motor 61 will drive the rotating table 62 to carry the rolling roller 63 to rotate 360 ​​degrees. At this time, the motor 9 is rotated forward, and the motor 9 will drive one of the rotating shafts 77 to rotate, and the rotating shaft 77 will drive the corresponding lower gear 76 and upper gear 75 to rotate, and the lower gear 76 will drive the inner gear ring 8 When the motor 9 rotates, the inner gear ring 8 will drive the other lower gears 76 and the upper gear 75 to rotate, thereby simultaneously driving each round rack 71 to carry the flexible tube 10 containing the sample to move to one side of the rotating table 62, forcing the flexible tube 10 to contact the crushing roller 63 on the rotating table 62; in this way, during the contact process, the crushing roller 63 will crush the sample inside the flexible tube 10 until the sample inside the flexible tube 10 is completely crushed; then the motor 9 is reversed, so that the round rack 71 can carry the flexible tube 10 containing the sample away from the rotating table 62, and finally the flexible tube 10 containing the crushed sample can be removed.

[0036] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A sample crushing device for food safety testing, characterized in that: The invention comprises a workbench (1) and a flexible tube (10), wherein: the workbench (1) is provided with a chamber (2), a crushing chamber (3) and an annular chamber (4), and the chamber (2), the crushing chamber (3) and the annular chamber (4) are coaxial, and the chamber (2) is below the crushing chamber (3); the chamber (2) is connected to the crushing chamber (3); a plurality of limiting holes (5) are evenly distributed on the workbench (1), and the limiting holes (5) are in a circular array shape and are located between the crushing chamber (3) and the annular chamber (4), and the limiting holes (5) are connected to the crushing chamber (3) and the annular chamber (4); A crushing mechanism (6) is fixedly installed in the chamber (2); a limiting mechanism (7) is slidably installed in the limiting hole (5), and the limiting mechanisms (7) are meshingly connected through an internal gear ring (8); the internal gear ring (8) is rotatably installed inside the annular cavity (4); a motor (9) is fixedly installed on the workbench (1), and the output end of the motor (9) rotates through the workbench (1) and is fixedly connected to one of the limiting mechanisms (7); The pulverizing mechanism (6) comprises a driving motor (61), and a rotating table (62) is fixedly mounted on the output end of the driving motor (61), and a plurality of semicircular cavities are evenly distributed on the circumference of the rotating table (62); a rolling roller (63) is rotatably mounted in each of the semicircular cavities; the driving motor (61) is fixedly mounted in the chamber (2); the rotating table (62) and the rolling roller (63) are located in the pulverizing chamber (3), and the rotating table (62) and the rolling roller (63) are rotatably connected to the pulverizing chamber (3); The limiting mechanism (7) comprises a round rack (71), an upper gear (75) and a lower gear (76), and the round rack (71) is slidably mounted in the corresponding limiting hole (5), one end of the round rack (71) is in the crushing chamber (3), and the other end is in the ring chamber (4); an arc plate (73) is fixedly mounted on one end of the round rack (71) in the crushing chamber (3), and a ring sleeve (74) is fixedly mounted above the arc plate (73); the bottom end of the flexible tube (10) passes through the ring sleeve (74) The top end of the flexible tube (10) is stuck on the top of the annular sleeve (74), and the side of the flexible tube (10) passing through the annular sleeve (74) contacts the arc plate (73); the round rack (71) is meshedly connected with the upper gear (75), and the upper gear (75) is fixedly connected with the lower gear (76); the lower gear (76) is meshedly connected with the inner gear ring (8), and the lower gear (76) is rotatably installed in the annular cavity (4); the output end of the motor (9) is fixedly connected with one of the lower gears (76).

2. A sample crushing device for food safety testing according to claim 1, characterized in that: An anti-dropout platform (72) is fixedly mounted on one end of the round rack (71) located in the annular cavity (4), and the anti-dropout platform (72) is slidably connected to the annular cavity (4).

3. A sample crushing device for food safety testing according to claim 1, characterized in that: A rotating shaft (77) is fixedly mounted on the other end of the lower gear (76), and the rotating shaft (77) is rotatably mounted in the annular cavity (4); the output end of the motor (9) is fixedly connected to a rotating shaft (77) corresponding to the lower gear (76).

4. A sample crushing device for food safety testing as claimed in claim 3, characterized in that: A cover plate (11) having a shape matching that of the annular cavity (4) of the workbench (1) is fixedly mounted thereon, and an axial hole is provided through the workbench (1), the axial hole being connected to the annular cavity (4); one of the rotating shafts (77) is rotatably mounted in the axial hole; the output end of the motor (9) is rotatably mounted in the axial hole; a control panel (12) is fixedly mounted on the outside of the workbench (1), and a controller inside the control panel (12) is electrically connected to communicate with the drive motor (61) and the motor (9).

5. A sample crushing device for food safety testing according to claim 1, characterized in that: The open end of the flexible tube (10) is provided with an annular edge, and the annular edge is clamped on the top of the ring sleeve (74).

Images