Sample crushing device for food detection

Abstract

The utility model provides a sample crushing device for food detection, and relates to the technical field of food detection tools, the sample crushing device for food detection comprises a workbench, a crushing cylinder, an extrusion mechanism, a first driving mechanism and a second driving mechanism, the crushing cylinder is rotatably connected to the workbench, the first driving mechanism is in driving connection with the crushing cylinder, and the extrusion mechanism is in driving connection with the second driving mechanism. The first driving mechanism is used for driving the crushing barrel to rotate on the workbench, the top of the crushing barrel is detachably connected with an upper cover, the second driving mechanism is arranged on the upper cover, the extrusion mechanism is arranged in the crushing barrel, and the upper end of the extrusion mechanism extends out of the upper cover and is in driving connection with the second driving mechanism. And the second driving mechanism is used for driving the extrusion mechanism to do up-down reciprocating motion so as to extrude the sample in the crushing cylinder. Compared with the prior art, the sample crushing device for food detection has the advantages that manual crushing is not needed, juice of food samples can be prevented from splashing to human bodies, and personal safety is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of food testing tools, in particular to a sample crushing device for food testing. Background Art

[0002] When conducting food safety inspections, it is necessary to conduct quality inspections on some processed foods. During the inspection process, the food samples need to be crushed before testing, and then the crushed food samples are mixed with a solution and reacted with test paper to detect whether the food contains toxic substances.

[0003] For example, the growth of wild vegetables is easily affected by the surrounding natural environment such as the atmosphere and soil. The heavy metal content is easy to exceed the standard, which can be enriched through the food chain and cause serious harm to the human body. Therefore, before eating wild vegetables, it is necessary to test the heavy metal content of their samples. Before testing the wild vegetables, they are generally crushed and placed in water for testing. However, at present, wild vegetables are crushed manually. Since wild vegetables contain juice, the juice can easily splash onto people when crushed, which may cause harm to the experimenters. Utility Model Content

[0004] The problem to be solved by the utility model is: how to avoid splashing when crushing food samples.

[0005] The utility model provides a sample crushing device for food testing, comprising: a workbench, a crushing cylinder, an extrusion mechanism, a first driving mechanism and a second driving mechanism, the crushing cylinder is rotatably connected to the workbench, the first driving mechanism is drivingly connected to the crushing cylinder, the first driving mechanism is used to drive the crushing cylinder to rotate on the workbench, the top of the crushing cylinder is detachably connected with an upper cover, the second driving mechanism is arranged on the upper cover, the extrusion mechanism is arranged inside the crushing cylinder, the upper end of the extrusion mechanism extends out of the upper cover and is drivingly connected to the second driving mechanism, the second driving mechanism is used to drive the extrusion mechanism to do up and down reciprocating motion, so as to extrude the sample inside the crushing cylinder.

[0006] The sample crushing device for food testing provided by the utility model has, compared with the prior art, the following beneficial effects but not limited to:

[0007] The sample crushing device for food testing described in the utility model, when it is necessary to crush the food sample, first open the upper cover on the top of the crushing cylinder, then place the food sample to be tested inside the crushing cylinder, and then drive the extrusion mechanism to make up and down reciprocating motions through the second driving mechanism, so as to squeeze and crush the food sample inside the crushing cylinder. At the same time, the crushing cylinder can be driven by the first driving mechanism to rotate on the workbench, so that the food sample is fully dispersed inside the crushing cylinder, and the food sample can be fully crushed through multiple squeezing of the squeezing mechanism, which is convenient for improving the detection accuracy of the food sample. Compared with the prior art, the sample crushing device for food testing is used for automatic crushing of food samples in a fully enclosed crushing cylinder, and does not require manual crushing. On the one hand, it avoids the problem of errors in food sample detection caused by contact with the food sample to be tested during manual crushing, and on the other hand, it can avoid the juice of the food sample from splashing onto people, thereby protecting personal safety.

[0008] Optionally, the first driving mechanism includes a driving gear and a first motor, the driving gear is connected to the output end of the first motor, the crushing cylinder is connected to a driven gear, and the driven gear is drivingly connected to the driving gear.

[0009] Optionally, the sample crushing device for food testing also includes a support rod, a plurality of the support rods are spaced apart and arranged on the lower end surface of the driven gear, an annular groove is provided on the workbench, a pulley is provided at the lower end of each support rod, and each pulley is respectively arranged in the annular groove.

[0010] Optionally, the sample crushing device for food testing further comprises a support column, the upper end of which is fixedly connected to the center position of the lower end surface of the driven gear, and the lower end of which is rotatably connected to the center position of the workbench.

[0011] Optionally, a slot is provided on the upper end surface of the driven gear, and a block is provided on the outer side wall of the crushing barrel, and the block is used to cooperate with the slot to fix the crushing barrel relative to the driven gear.

[0012] Optionally, the extrusion mechanism includes a motion rod and an extrusion block, one end of the motion rod is connected to the extrusion block, and the other end extends out of the upper cover and is connected to the second driving mechanism.

[0013] Optionally, the second driving mechanism includes a second motor, an eccentric wheel and a connecting rod, a support plate is provided on the upper cover, the second motor is provided on the support plate, the eccentric wheel is connected to the output end of the second motor, one end of the connecting rod is hinged to the eccentric wheel, and the other end is hinged to the upper end of the moving rod.

[0014] Optionally, the moving rod includes a hollow rod and an elongated round rod, the elongated round rod is telescopically connected to the hollow rod along the extension direction of the hollow rod, the hollow rod is provided with a first connecting part, the elongated round rod is provided with a second connecting part, and in the extension direction of the hollow rod, a plurality of the first connecting parts and / or the second connecting parts are provided, the first connecting part is used to be connected to the second connecting part, the lower end of the hollow rod is connected to the extrusion block, and the upper end of the elongated round rod is connected to the second driving mechanism.

[0015] Optionally, the sample crushing device for food testing further comprises an upper cover and a lower cover, the workbench and the first driving mechanism are spaced apart in the lower cover, and the upper cover is detachably connected to the upper cover.

[0016] Optionally, the crushing barrel has a conical structure, and the diameter of the crushing barrel gradually increases from bottom to top. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The structure of the sample crushing device for food testing according to the embodiment of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0019] Figure 3 It is a structural schematic diagram of the extrusion mechanism of an embodiment of the utility model;

[0020] Figure 4 The structure of the sample crushing device for food testing according to the embodiment of the utility model is shown in FIG. Figure 2 .

[0021] Description of reference numerals:

[0022] 1. Workbench; 11. Annular chute; 2. Crushing cylinder; 21. Block; 3. Upper cover; 31. Support plate; 4. Extrusion mechanism; 41. Moving rod; 411. Hollow rod; 412. Long round rod; 4121. Second connecting part; 42. Extrusion block; 5. First driving mechanism; 51. Driving gear; 52. First motor; 6. Second driving mechanism; 61. Second motor; 62. Eccentric wheel; 63. Connecting rod; 7. Driven gear; 71. Slot; 81. Support rod; 82. Pulley; 83. Support column; 91. Upper cover; 92. Lower cover. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0024] In the description of the present invention, the directions or positional relationships indicated by “upper”, “lower”, “left”, “right”, “top”, “bottom”, “front”, “back”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention. They do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment" and "one implementation" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or implementation are included in at least one embodiment or implementation of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or implementation. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or implementations in a suitable manner.

[0027] Moreover, the Z axis in the drawings represents the vertical direction, that is, the up and down position, and the positive direction of the Z axis (that is, the direction of the arrow of the Z axis) represents the top, and the negative direction of the Z axis (that is, the direction opposite to the positive direction of the Z axis) represents the bottom.

[0028] It should also be noted that the aforementioned Z-axis representation is only for the convenience of describing the present invention and simplifying the description, and does 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 present invention.

[0029] like Figures 1 to 3As shown, the sample crushing device for food testing of the utility model embodiment includes: a workbench 1, a crushing barrel 2, an extrusion mechanism 4, a first driving mechanism 5 and a second driving mechanism 6, the crushing barrel 2 is rotatably connected to the workbench 1, the first driving mechanism 5 is drivingly connected to the crushing barrel 2, the first driving mechanism 5 is used to drive the crushing barrel 2 to rotate on the workbench 1, the top of the crushing barrel 2 is detachably connected with an upper cover 3, the second driving mechanism 6 is arranged on the upper cover 3, the extrusion mechanism 4 is arranged inside the crushing barrel 2, the upper end of the extrusion mechanism 4 extends out of the upper cover 3, and is drivingly connected to the second driving mechanism 6, the second driving mechanism 6 is used to drive the extrusion mechanism 4 to do up and down reciprocating motion, so as to extrude the sample inside the crushing barrel 2.

[0030] In this embodiment, combined with the attached Figures 1 to 3 As shown in FIG. 1 , when the food sample needs to be crushed, the upper cover 3 on the top of the crushing cylinder 2 is first opened, and then the food sample to be tested is placed inside the crushing cylinder 2, and then the squeezing mechanism 4 is driven by the second driving mechanism 6 to make an up and down reciprocating motion (see FIG. 1 ). Figure 1 The first driving mechanism 5 can drive the crushing cylinder 2 to rotate on the workbench 1, so that the food sample is fully dispersed inside the crushing cylinder 2, and the food sample is fully crushed by multiple squeezing of the squeezing mechanism 4, which is convenient for improving the detection accuracy of the food sample. Compared with the prior art, the food sample in the sample crushing device for food detection is automatically crushed in the fully enclosed crushing cylinder 2, and no manual crushing is required. On the one hand, it avoids the problem of errors in food sample detection caused by contact with the food sample to be tested during manual crushing, and on the other hand, it can prevent the juice of the food sample from splashing on people, protecting personal safety.

[0031] Optionally, the first driving mechanism 5 includes a driving gear 51 and a first motor 52 , the driving gear 51 is connected to the output end of the first motor 52 , the crushing barrel 2 is connected to a driven gear 7 , and the driven gear 7 is transmission-connected to the driving gear 51 .

[0032] In this embodiment, combined with the attached Figure 1 As shown, the driving gear 51 is connected to the output end of the first motor 52, the crushing barrel 2 is connected to the driven gear 7, and the driven gear 7 is connected to the driving gear 51 in transmission connection. The first motor 52 can drive the driving gear 51 to rotate, the driving gear 51 drives the driven gear 7 to rotate, and the driven gear 7 further drives the crushing barrel 2 to rotate, so that the food sample is fully dispersed inside the crushing barrel 1.

[0033] Optionally, the sample crushing device for food testing also includes a support rod 81, and a plurality of the support rods 81 are arranged at intervals on the lower end surface of the driven gear 7. An annular groove 11 is provided on the workbench 1, and a pulley 82 is respectively provided at the lower end of each of the support rods 81, and each of the pulleys 82 is respectively arranged in the annular groove 11.

[0034] In this embodiment, combined with the attached Figure 1 As shown, a plurality of support rods 81 are arranged in a vertical direction (attached Figure 1 The support rods 81 are spaced apart between the lower end surface of the driven gear 7 and the upper end surface of the workbench 1 in the middle Z-axis direction, wherein the upper ends of a plurality of support rods 81 can be connected to the lower end surface of the driven gear 7 by welding, and an annular groove 11 is provided on the upper end surface of the workbench 1, and a pulley 82 is respectively provided at the lower end of each support rod 81, and each pulley 82 is respectively arranged in the annular groove 11, and the pulley 82 can move in the annular groove 11, so that the driven gear 7 can rotate relative to the workbench 1.

[0035] Optionally, the sample crushing device for food testing further comprises a support column 83 , the upper end of which is fixedly connected to the center position of the lower end surface of the driven gear 7 , and the lower end of which is rotatably connected to the center position of the workbench 1 .

[0036] In this embodiment, combined with the attached Figure 1 As shown, the support column 83 is vertically (attached Figure 1 The support column 83 is arranged between the lower end surface of the driven gear 7 and the upper end surface of the workbench 1 in the middle Z-axis direction, wherein the upper end of the support column 83 can be connected to the center position of the lower end surface of the driven gear 7 by welding, and the lower end of the support column 83 can be rotatably connected to the center position of the workbench 1 through a bearing, and the support column 83 is used to support the driven gear 7.

[0037] Optionally, a slot 71 is provided on the upper end surface of the driven gear 7 , and a block 21 is provided on the outer side wall of the crushing barrel 2 , and the block 21 is used to cooperate with the slot 71 to fix the crushing barrel 2 relative to the driven gear 7 .

[0038] In this embodiment, combined with the attached Figure 1 As shown, a slot 71 is provided at the edge of the upper end surface of the driven gear 7, wherein a plurality of slots 71 can be provided along the same circumference at intervals, and the slot 71 can be in a concave structure. A block 21 is provided on the outer wall of the lower part of the crushing barrel 2, wherein a plurality of blocks 21 can be provided along the circumferential intervals of the outer wall of the crushing barrel 2, and the block 21 can fall into the slot 71 in the vertical direction to limit the movement of the crushing barrel 2.

[0039] Optionally, the extrusion mechanism 4 includes a motion rod 41 and an extrusion block 42 , one end of the motion rod 41 is connected to the extrusion block 42 , and the other end extends out of the upper cover 3 and is connected to the second driving mechanism 6 .

[0040] In this embodiment, combined with the attached Figure 3 As shown, the lower end of the movement rod 41 (attached Figure 3 The moving rod 41 (in the opposite direction of the middle Z axis) can be connected to the lower end surface of the extrusion block 42 by welding, and the upper end of the moving rod 41 extends out of the upper cover 3 and is connected to the second driving mechanism 6.

[0041] Optionally, the second driving mechanism 6 includes a second motor 61, an eccentric wheel 62 and a connecting rod 63, a support plate 31 is provided on the upper cover 3, the second motor 61 is provided on the support plate 31, the eccentric wheel 62 is connected to the output end of the second motor 61, one end of the connecting rod 63 is hinged to the eccentric wheel 62, and the other end is hinged to the upper end of the moving rod 41.

[0042] In this embodiment, combined with the attached Figure 2 Gravel, the support plate 31 can be connected to the upper cover 3 by welding, the eccentric wheel 62 is driven and connected to the output end of the second motor 61, one end of the connecting rod 63 can be hinged to the eccentric wheel 62 through a pin, and the other end is hinged to the upper end of the moving rod 41, the second motor 61 is used to drive the eccentric wheel 62 to rotate, and the eccentric wheel 62 drives the moving rod 41 to reciprocate up and down through the connecting rod 63.

[0043] Optionally, the moving rod 41 includes a hollow rod 411 and an elongated round rod 412, the elongated round rod 412 is telescopically connected to the hollow rod 411 along the extension direction of the hollow rod 411, a first connecting portion is provided on the hollow rod 411, and a second connecting portion 4121 is provided on the elongated round rod 412, and a plurality of the first connecting portions and / or the second connecting portions 4121 are provided in the extension direction of the hollow rod 411, the first connecting portion is used to be connected to the second connecting portion 4121, the lower end of the hollow rod 411 is connected to the extrusion block 42, and the upper end of the elongated round rod 412 is connected to the second driving mechanism 6.

[0044] In this embodiment, combined with the attached Figure 3 As shown, the long round rod 412 is telescopically connected to the hollow rod 411 along the extension direction of the hollow rod 411, and can be connected to the first connection part at different positions on the hollow rod 411 through the second connection part 4121 on the long round rod 412, or connected to the first connection part on the hollow rod 411 through the second connection part 4121 at different positions on the long round rod 412, so as to fix the long round rod 412 on the hollow rod 411. In this way, the overall length of the motion rod 41 is adjustable, and the motion position of the extrusion block 42 can be adjusted together with the second driving mechanism 6.

[0045] Optionally, the sample crushing device for food testing further comprises an upper cover 91 and a lower cover 92 , the workbench 1 and the first driving mechanism 5 are spaced apart in the lower cover 92 , and the upper cover 91 is detachably connected to the upper cover 91 .

[0046] In this embodiment, combined with the attached Figure 4 As shown, the upper cover body 91 and the lower cover body 92 are detachably connected, and the upper cover body 91 and the lower cover body 92 can completely enclose the workbench 1, the crushing barrel 2, the extrusion mechanism 4, the first drive mechanism 5 and the second drive mechanism 6 in the space surrounded by the upper cover body 91 and the lower cover body 92. The upper cover body 91 and the lower cover body 92 are used to protect the operator.

[0047] Optionally, the crushing barrel 2 has a conical structure, and the diameter of the crushing barrel 2 gradually increases from bottom to top.

[0048] In this embodiment, combined with the attached Figure 1 As shown, the crushing cylinder 2 is in a conical structure as a whole, and the diameter of the crushing cylinder 2 gradually increases from bottom to top, so that the food sample can automatically slide to the bottom of the crushing cylinder 2 after falling on the inner wall of the crushing cylinder 2.

[0049] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0050] Although the utility model is disclosed as above, the protection scope of the utility model is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A sample crushing device for food testing, characterized in that: include: A workbench (1), a crushing cylinder (2), an extrusion mechanism (4), a first driving mechanism (5) and a second driving mechanism (6), wherein the crushing cylinder (2) is rotatably connected to the workbench (1), the first driving mechanism (5) is drivingly connected to the crushing cylinder (2), the first driving mechanism (5) is used to drive the crushing cylinder (2) to rotate on the workbench (1), the top of the crushing cylinder (2) is detachably connected to an upper cover (3), the second driving mechanism (6) is arranged on the upper cover (3), the extrusion mechanism (4) is arranged inside the crushing cylinder (2), the upper end of the extrusion mechanism (4) extends out of the upper cover (3) and is drivingly connected to the second driving mechanism (6), the second driving mechanism (6) is used to drive the extrusion mechanism (4) to make an up and down reciprocating motion, so as to extrude the sample inside the crushing cylinder (2).

2. The sample crushing device for food testing according to claim 1, characterized in that: The first driving mechanism (5) comprises a driving gear (51) and a first motor (52), the driving gear (51) being connected to the output end of the first motor (52), the crushing cylinder (2) being connected to a driven gear (7), and the driven gear (7) being transmission-connected to the driving gear (51).

3. The sample crushing device for food testing according to claim 2, characterized in that: It also includes support rods (81), a plurality of the support rods (81) are arranged at intervals on the lower end surface of the driven gear (7), an annular slide groove (11) is provided on the workbench (1), a pulley (82) is respectively arranged at the lower end of each support rod (81), and each pulley (82) is respectively arranged in the annular slide groove (11).

4. The food testing sample crushing device according to claim 2, characterized in that: It also includes a support column (83), the upper end of which is fixedly connected to the center position of the lower end surface of the driven gear (7), and the lower end of which is rotatably connected to the center position of the workbench (1).

5. The sample crushing device for food testing according to claim 2, characterized in that: The upper end surface of the driven gear (7) is provided with a slot (71), and the outer side wall of the crushing cylinder (2) is provided with a block (21), and the block (21) is used to cooperate with the slot (71) to fix the crushing cylinder (2) relative to the driven gear (7).

6. The sample crushing device for food testing according to claim 1, characterized in that: The extrusion mechanism (4) comprises a moving rod (41) and an extrusion block (42); one end of the moving rod (41) is connected to the extrusion block (42), and the other end extends out of the upper cover (3) and is connected to the second driving mechanism (6).

7. The sample crushing device for food testing according to claim 6, characterized in that: The second driving mechanism (6) comprises a second motor (61), an eccentric wheel (62) and a connecting rod (63); a support plate (31) is provided on the upper cover (3); the second motor (61) is provided on the support plate (31); the eccentric wheel (62) is connected to the output end of the second motor (61); one end of the connecting rod (63) is hinged to the eccentric wheel (62), and the other end is hinged to the upper end of the moving rod (41).

8. The food testing sample crushing device according to claim 6, characterized in that: The motion rod (41) comprises a hollow rod (411) and an elongated round rod (412); the elongated round rod (412) is telescopically connected to the hollow rod (411) along the extension direction of the hollow rod (411); a first connecting portion is provided on the hollow rod (411); a second connecting portion (4121) is provided on the elongated round rod (412); a plurality of the first connecting portions and / or the second connecting portions (4121) are provided in the extension direction of the hollow rod (411); the first connecting portion is used to be connected to the second connecting portion (4121); the lower end of the hollow rod (411) is connected to the extrusion block (42); and the upper end of the elongated round rod (412) is connected to the second driving mechanism (6).

9. The sample crushing device for food testing according to claim 1, characterized in that: It also comprises an upper cover (91) and a lower cover (92), wherein the workbench (1) and the first driving mechanism (5) are arranged in the lower cover (92) at intervals, and the upper cover (91) is detachably connected to the upper cover (91).

10. The sample crushing device for food testing according to claim 1, characterized in that: The crushing barrel (2) has a conical structure, and the diameter of the crushing barrel (2) gradually increases from bottom to top.

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