Sample preparation equipment for food inspection

The mobile adjustment mechanism and the quick-clamping auxiliary mechanism solve the problems of inaccurate position adjustment and unstable fixation of the sample preparation component in the prior art, realize fast and accurate sample preparation of food inspection equipment, and improve the versatility and operating efficiency of the equipment.

CN223377027UActive Publication Date: 2025-09-23CCIC ZHONGYUAN AGRICULTURAL PRODUCTS TESTING (HENAN) CO LTD
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Patent Information

Application Number
CN202422586656.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-09-23
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

Existing food inspection sample preparation equipment cannot accurately control the horizontal and vertical positions of sample preparation components. The installation and removal of the clamping components are time-consuming and unstable, affecting work efficiency and sample preparation accuracy.

Method used

The mobile adjustment mechanism, quick clamping mechanism and clamping auxiliary mechanism are adopted to achieve precise position adjustment and rapid fixation of the sample preparation component through hydraulic control and rotation operation, including the coordinated use of components such as the first slide rail, slide plate, hydraulic cylinder, clamping rod, rocker and rotating sleeve.

Benefits of technology

It realizes the rapid and precise position adjustment and firm fixation of sample preparation components, improves the versatility and operating efficiency of the equipment, reduces manual operation time, and ensures the consistency and accuracy of sample preparation.

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Abstract

The utility model discloses sample preparation equipment for food inspection, which comprises a sample preparation table, a pressing assembly, a mobile adjusting mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, the mobile adjusting mechanism comprises a first slide rail, a first slide plate, a mobile plate, a first hydraulic cylinder, a second hydraulic cylinder, a second slide rail and a second slide plate, the rapid clamping mechanism comprises a clamping pipe, a clamping rod, a clamping groove, a warping plate and a push spring, the clamping auxiliary mechanism comprises a matching ring, an elastic lifting pin, a rotating sleeve, a top groove, an upper top plate, a top-bearing plate and a longitudinal sleeve, accurate adjustment in the horizontal direction and the vertical direction is achieved through matching of a first hydraulic cylinder and a second hydraulic cylinder, and the food sample clamping device can adapt to food samples of different sizes and shapes; the design of the clamping rod and the clamping pipe realizes the rapid installation and disassembly of the pressing assembly, the cooperation of the warping plate and the push spring provides the preliminary stable fixation, the clamping can be completed without a tool, and the operation efficiency is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sample preparation, and more particularly to a sample preparation device for food inspection. Background Art

[0002] Food inspection sample preparation equipment is a professional equipment specially designed for sample preparation in the process of food safety testing and quality control. This equipment can efficiently and accurately process various food samples and provide standardized and homogenized samples for subsequent analysis and testing.

[0003] In the existing technology, firstly, some devices cannot accurately control the horizontal and vertical positions of the sample preparation components. Each position adjustment requires manual movement, which is time-consuming and imprecise. It is difficult to adapt to food samples of different sizes and shapes, and the position consistency of each sample preparation cannot be guaranteed. Secondly, some devices cannot quickly and firmly fix the clamping components on the sample preparation table. Each installation and removal of the clamping components requires more time and steps. Unstable fixation may cause the clamping components to loosen or fall off during operation. Frequent manual fixation and disassembly will significantly reduce work efficiency, and it is difficult to quickly replace different types of clamping components. Finally, some devices require additional tools or steps to achieve reliable fixation and unlocking, and cannot finely adjust the fixing force, affecting the accuracy of sample preparation. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the problems existing in the prior art, the utility model provides a sample preparation device for food inspection to solve the technical problems mentioned in the background technology, such as the inability to accurately control the horizontal and vertical positions of the sample preparation components, and the need for more time and steps to install and disassemble the compression components each time.

[0006] (2) Technical solution

[0007] The lifting mechanism comprises a first sliding rail, a first slide, a movable plate, a first liquid cylinder, a second liquid cylinder, a second slide rail and a second slide rail, the first slide rail and the second slide rail are installed at the top end of the sample preparation table, the first slide rail and the second slide rail are cooperated and connected to each other for sliding movement, the movable plate is installed at the bottom of the first slide rail, the first liquid cylinder and the bottom plate are cooperated to push the second cylinder, the second cylinder is installed at the top of the first slide rail and is pushed and connected to the second slide rail, the quick locking mechanism comprises a locking tube, a locking rod, a locking groove, a rocker plate and a push spring, the locking rod can extend into the interior of the locking tube, the locking groove is set on the side of the locking rod, the rocker plate is installed through the side wall of the locking tube, the push spring is installed between the outer end of the rocker plate and the inner wall of the locking tube, pressing one end of the rocker plate to the locking groove to preliminarily fix the locking rod.

[0008] The present invention is further configured as follows: the clamping auxiliary mechanism includes a matching ring, a spring-loaded pin, a rotating sleeve, a top groove, an upper top plate, a push-supporting plate and a longitudinal sleeve; the matching ring is fixedly mounted on the outer wall of the clamping tube; a plurality of groups of spring-loaded pins are arranged in a circular array on the matching ring; the top groove is arranged on the rotating sleeve; one end of the spring-loaded pin extends into the top groove to cooperate with the support rotation setting; the upper top plate is mounted on the rotating sleeve; the push-supporting plate is mounted on the longitudinal sleeve; the rotating upper top plate pushes the push-supporting plate to move the longitudinal sleeve longitudinally; and the inner wall of the longitudinal sleeve can push the other end of the seesaw to further fix and press the clamping rod in the clamping tube, further pressing the seesaw to make one end of the seesaw away from the clamping slot, thereby achieving unlocking.

[0009] The utility model is further configured such that a compression spring is installed on the top of the inner wall of the clamping tube, and one end of the clamping rod extends into the clamping tube to compress the compression spring. The compression spring provides elastic support in the clamping tube to increase the stability of the clamping.

[0010] The utility model is further configured such that a connecting plate is installed on the side wall of the clamping tube, and a reset spring is installed on the top of the connecting plate, and the other end of the reset spring is connected to the longitudinal sleeve. The reset spring helps the longitudinal sleeve to return to its initial position, thereby ensuring the reliability of the clamping mechanism.

[0011] The utility model is further configured such that side plates are installed at both ends of the clamping assembly, and snap-in holes are provided on the sample preparation table. There are multiple groups of snap-in holes, and one end of the snap-in rod is connected to the side plate, and the snap-in rod can extend through the snap-in hole. The snap-in tube and the snap-in rod can realize quick connection and disassembly, and the side plates and the snap-in holes provide multiple snap-in positions, thereby increasing the flexibility of the equipment.

[0012] The utility model is further configured such that the connecting plate is mounted on the bottom end surface of the product table, and one end of the clamping rod can extend into the side plate to be connected with the clamping tube, and multiple groups of clamping tubes are connected with multiple groups of clamping holes.

[0013] The utility model is further configured such that a third liquid cylinder is installed on the top of the second slide, and a mounting bracket is installed at one end of the second liquid cylinder, and a lifting sample preparation component is installed on the mounting bracket. The third liquid cylinder and the mounting bracket are used to install and adjust the lifting sample preparation component, thereby increasing the functionality of the equipment.

[0014] The present invention is further configured such that a placement slot and a sample slot are provided on the top of the sample preparation table, and a support column is installed on the bottom of the sample preparation table, and the support column provides stable support for the entire device.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a sample preparation device for food inspection, which has the following beneficial effects:

[0017] The utility model is provided with a movable adjustment mechanism, which realizes precise adjustment in the horizontal and vertical directions through the cooperation of the first liquid cylinder and the second liquid cylinder, can adapt to food samples of different sizes and shapes, improves the versatility of the equipment, and the hydraulic control makes the adjustment process fast and accurate, reducing manual operation time.

[0018] The utility model is provided with a quick clamping mechanism. The design of the clamping rod and the clamping tube realizes the rapid installation and disassembly of the clamping assembly. The cooperation of the rocker and the push spring provides a preliminary and stable fixation. The clamping can be completed without tools, which greatly improves the operating efficiency. The design of the card slot and the rocker ensures the reliability of the fixation and reduces the operating risk. The design of multiple groups of clamping holes allows fixation in different positions, which increases the adaptability of the equipment.

[0019] The utility model is provided with a clamping auxiliary mechanism, which can further tighten the clamping rod through a rotating operation to improve the stability of the fixation. The same rotating operation can achieve quick unlocking and convenient disassembly. The fixing force can be adjusted as needed to adapt to different sample preparation requirements. The rotating operation is intuitive and simple, reducing the possibility of operating errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the device in the present invention when not in use;

[0021] Figure 2 This is a schematic diagram of the overall structure of the device from the bottom perspective in the present invention;

[0022] Figure 3 This is a structural diagram of the mobile adjustment mechanism in the utility model;

[0023] Figure 4 It is a structural diagram of the quick clamping mechanism and the clamping auxiliary mechanism in the present utility model;

[0024] Figure 5 It is a schematic diagram of the internal structure of the quick clamping mechanism and the clamping auxiliary mechanism in the utility model.

[0025] In the figure: 1. sample preparation table; 2. clamping assembly; 3. first slide rail; 4. first slide plate; 5. moving plate; 6. first liquid cylinder; 7. second liquid cylinder; 8. second slide rail; 9. second slide plate; 10. clamping tube; 11. clamping rod; 12. clamping groove; 13. rocker; 14. push spring; 15. matching ring; 16. ejector pin; 17. rotating sleeve; 18. ejection groove; 19. upper ejector plate; 20. ejector plate; 21. longitudinal sleeve; 22. compression spring; 23. connecting plate; 24. return spring; 25. lateral plate; 26. clamping hole; 27. third liquid cylinder; 28. mounting bracket; 29. ​​lifting sample preparation assembly; 30. placement slot; 31. sample slot; 32. support. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0029] See also Figure 1-5A sample preparation device for food inspection includes a sample preparation table 1, a pressing assembly 2, a movable adjustment mechanism, a quick clamping mechanism and a clamping auxiliary mechanism. The movable adjustment mechanism includes a first slide rail 3, a first slide plate 4, a movable plate 5, a first liquid cylinder 6, a second liquid cylinder 7, a second slide rail 8 and a second slide plate 9. The first slide rail 3 and the second slide rail 8 are installed at the top end of the sample preparation table 1. The first slide plate 4 and the second slide plate 9 are connected and slidably arranged on the first slide rail 3 and the second slide rail 8. The movable plate 5 is installed at the bottom of the first slide plate 4. The first liquid cylinder 6 and the second liquid cylinder 7 are connected. The bottom plate is pushed together, the second hydraulic cylinder 7 is installed on the top of the first slide 4 and is pushed and connected with the second slide 9. The quick clamping mechanism includes a clamping tube 10, a clamping rod 11, a clamping groove 12, a rocker 13 and a push spring 14. The clamping rod 11 can be extended into the interior of the clamping tube 10. The clamping groove 12 is set on the side of the clamping rod 11. The rocker 13 is installed through the side wall of the clamping tube 10. The push spring 14 is installed between the outer end of the rocker 13 and the inner wall of the clamping tube 10. One end of the rocker 13 is pressed against the clamping groove 12 to preliminarily fix the clamping rod 11.

[0030] In this embodiment, the first hydraulic cylinder 6 pushes the bottom plate, driving the entire movable adjustment mechanism to move horizontally on the first slide rail 3 and the second slide rail 8. The second hydraulic cylinder 7 pushes the second slide plate 9 to achieve vertical adjustment. The third hydraulic cylinder 27 controls the forward and backward movement of the lifting sample preparation component 29 to prepare samples of the items on the sample preparation table 1. The position of the clamping component 2 is adjusted by setting the clamping rod 11 and different clamping holes 26 to facilitate the fixation of materials of different specifications. The clamping rod 11 is inserted into the clamping tube 10, and the clamping groove 12 on the clamping rod 11 is aligned with one end of the rocker 13. The push spring 14 presses one end of the rocker 13 toward the clamping groove 12 to achieve preliminary fixation.

[0031] The clamping auxiliary mechanism includes a matching ring 15, a spring pin 16, a rotating sleeve 17, a top groove 18, an upper top plate 19, a receiving plate 20 and a longitudinal sleeve 21. The matching ring 15 is fixedly mounted on the outer wall of the clamping tube 10, and multiple groups of spring pins 16 are arranged in a circular array on the matching ring 15. The top groove 18 is arranged on the rotating sleeve 17, and one end of the spring pin 16 extends into the top groove 18 to cooperate with the support rotation setting. The upper top plate 19 is installed on the rotating sleeve 17, and the receiving plate 20 is installed on the longitudinal sleeve 21. The rotating upper top plate 19 pushes the receiving plate 20 to make the longitudinal sleeve 21 move longitudinally, and the inner wall of the longitudinal sleeve 21 can push the other end of the rocker plate 13 to further fix and press the clamping rod 11 in the clamping tube 10, further press the rocker plate 13 to make one end of the rocker plate 13 away from the clamping groove 12, thereby achieving unlocking.

[0032] In this embodiment, the rotating sleeve 17 is rotated to make the upper ejector plate 19 push the ejector plate 20. The ejector pin 16 can support and rotate the rotating sleeve 17. The ejector plate 20 drives the longitudinal sleeve 21 to move longitudinally. The inner wall of the longitudinal sleeve 21 pushes the other end of the rocker plate 13, further pressing the clamping rod 11. Continuing to rotate can move one end of the rocker plate 13 away from the card slot 12 to achieve unlocking.

[0033] See also Figure 1-5 As a supplementary embodiment of a food inspection sample preparation device for the mobile adjustment mechanism, the quick clamping mechanism and the clamping auxiliary mechanism: a compression spring 22 is installed on the top of the inner wall of the clamping tube 10, and one end of the clamping rod 11 extends into the clamping tube 10 to compress the compression spring, a connecting plate 23 is installed on the side wall of the clamping tube 10, and a return spring 24 is installed on the top of the connecting plate 23, and the other end of the return spring 24 is connected to the longitudinal sleeve 21, and side plates 25 are installed at both ends of the pressing assembly 2, and a clamping hole 26 is provided on the sample preparation table 1, and the clamping hole 26 is provided with multiple groups, and one end of the clamping rod 11 is provided with a plurality of groups of clamping holes. The end is connected with the side plate 25, and the clamping rod 11 can extend through the clamping hole 26. The connecting plate 23 is installed on the bottom end surface of the product table, and one end of the clamping rod 11 can extend into the side plate 25 and be connected with the clamping tube 10, and multiple groups of clamping tubes 10 are connected with multiple groups of clamping holes 26. A third liquid cylinder 27 is installed on the top of the second slide 9, and a mounting bracket 28 is installed at one end of the second liquid cylinder 7, and a lifting sample preparation component 29 is installed on the mounting bracket 28. A placement groove 30 and a sample groove 31 are provided on the top of the sample preparation table 1, and a pillar 32 is installed at the bottom of the sample preparation table 1.

[0034] More specifically, place the sample preparation table 1 in a suitable position, ensure that the pillars 32 are stable, check whether the placement slot 30 and the sample slot 31 are clean, place the food sample to be tested in the placement slot 30, start the first liquid cylinder 6, adjust the horizontal position of the entire movable adjustment mechanism, use the second liquid cylinder 7 to adjust the vertical height, and use the third liquid cylinder 27 to control the position of the lifting sample preparation component 29 as needed. Align the side plates 25 of the clamping component 2 with the clamping holes 26 on the sample preparation table 1, insert the clamping rod 11, and make it pass through the clamping hole 26 into the clamping tube 10. The clamping slot 12 on the clamping rod 11 is aligned with the rocker 13 to achieve preliminary fixation. Rotate the rotating sleeve 17 to activate the clamping auxiliary mechanism. The upper top plate 19 pushes the top plate 20, driving the longitudinal sleeve 21 to move. The longitudinal sleeve 21 pushes the rocker 13, further pressing the clamping rod 11, and use the lifting sample preparation component 29 to perform necessary processing on the sample.

[0035] In summary, when the entire equipment is in use or operating: when the movement and adjustment mechanism needs to be operated, the first liquid cylinder 6 pushes the bottom plate, driving the entire movement and adjustment mechanism to move horizontally on the first slide rail 3 and the second slide rail 8, the second liquid cylinder 7 pushes the second slide 9 to achieve vertical adjustment, and the third liquid cylinder 27 controls the forward and backward movement of the lifting sample preparation component 29 to prepare samples of the items on the sample preparation table 1.

[0036] When the quick clamping mechanism is required, the position of the clamping assembly 2 is adjusted by setting the clamping rod 11 and different clamping holes 26 to facilitate the fixing of materials of different specifications. The clamping rod 11 is inserted into the clamping tube 10, and the clamping groove 12 on the clamping rod 11 is aligned with one end of the rocker 13. The push spring 14 presses one end of the rocker 13 toward the clamping groove 12 to achieve preliminary fixation.

[0037] When the auxiliary mechanism needs to be engaged, the rotating sleeve 17 is rotated to make the upper ejector plate 19 push the ejector plate 20. The ejector pin 16 can support and rotate the rotating sleeve 17. The ejector plate 20 drives the longitudinal sleeve 21 to move longitudinally. The inner wall of the longitudinal sleeve 21 pushes the other end of the rocker plate 13 to further press the engaging rod 11. Continuing to rotate can move one end of the rocker plate 13 away from the slot 12 to achieve unlocking.

[0038] Place the sample preparation table 1 in the appropriate position, ensure that the support 32 is stable, check whether the placement groove 30 and the sample groove 31 are clean, place the food sample to be tested in the placement groove 30, start the first liquid cylinder 6, adjust the horizontal position of the entire moving adjustment mechanism, use the second liquid cylinder 7 to adjust the vertical height, and use the third liquid cylinder 27 to control the position of the lifting sample preparation component 29 as needed. Align the side plate 25 of the clamping component 2 with the clamping hole 26 on the sample preparation table 1, insert the clamping rod 11, so that it passes through the clamping hole 26 and enters the clamping tube 10. The clamping groove 12 on the clamping rod 11 is aligned with the rocker 13 to achieve preliminary fixation. Rotate the rotating sleeve 17 to activate the clamping auxiliary mechanism. The upper top plate 19 pushes the top plate 20, driving the longitudinal sleeve 21 to move. The longitudinal sleeve 21 pushes the rocker 13, further pressing the clamping rod 11, and use the lifting sample preparation component 29 to perform necessary processing on the sample.

[0039] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A sample preparation device for food inspection, comprising a sample preparation table (1), a pressing assembly (2), a movement adjustment mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, wherein: The movable adjustment mechanism comprises a first slide rail (3), a first slide plate (4), a movable plate (5), a first liquid cylinder (6), a second liquid cylinder (7), a second slide rail (8) and a second slide plate (9); the first slide rail (3) and the second slide rail (8) are mounted on the top end of the sample preparation table (1); the first slide plate (4) and the second slide plate (9) are connected and slidably arranged on the first slide rail (3) and the second slide rail (8); the movable plate (5) is mounted on the bottom of the first slide plate (4); the first liquid cylinder (6) and the bottom plate are pushed and arranged; the second liquid cylinder (7) is mounted on the top of the first slide plate (4); The top is connected to the second slide plate (9) by push, and the quick clamping mechanism includes a clamping tube (10), a clamping rod (11), a clamping slot (12), a rocker (13) and a push spring (14). The clamping rod (11) can be extended into the interior of the clamping tube (10), the clamping slot (12) is set on the side of the clamping rod (11), the rocker (13) is installed on the side wall of the clamping tube (10), and the push spring (14) is installed between the outer end of the rocker (13) and the inner wall of the clamping tube (10). One end of the rocker (13) is pressed toward the clamping slot (12) to preliminarily fix the clamping rod (11).

2. The food sample preparation device according to claim 1, characterized in that: The clamping auxiliary mechanism comprises a matching ring (15), a spring-loaded pin (16), a rotating sleeve (17), a top groove (18), an upper top plate (19), a receiving plate (20) and a longitudinal sleeve (21); the matching ring (15) is fixedly mounted on the outer wall of the clamping tube (10); a plurality of groups of spring-loaded pins (16) are arranged in a circumferential array on the matching ring (15); the top groove (18) is arranged on the rotating sleeve (17); and one end of the spring-loaded pin (16) extends into the top groove (18) to cooperate with the support for the rotating sleeve. The upper top plate (19) is installed on the rotating sleeve (17), and the receiving plate (20) is installed on the longitudinal sleeve (21). The rotating upper top plate (19) pushes the receiving plate (20) to move the longitudinal sleeve (21) longitudinally, and the inner wall of the longitudinal sleeve (21) can push the other end of the rocker plate (13) to further fix and press the connecting rod (11) into the clamping pipe (10), further pressing the rocker plate (13) to make one end of the rocker plate (13) away from the clamping slot (12), thereby achieving unlocking.

3. The food sample preparation device according to claim 1, wherein: A compression spring (22) is installed on the top end of the inner wall of the clamping tube (10), and one end of the clamping rod (11) extends into the clamping tube (10) to compress the compression spring.

4. The food sample preparation device according to claim 1, wherein: A connecting plate (23) is installed on the side wall of the clamping tube (10), and a return spring (24) is installed on the top of the connecting plate (23), and the other end of the return spring (24) is connected to the longitudinal sleeve (21).

5. The food sample preparation device according to claim 1, wherein: The two ends of the pressing assembly (2) are provided with side plates (25), the sample preparation table (1) is provided with a clamping hole (26), a plurality of clamping holes (26) are provided, and one end of the clamping rod (11) is connected to the side plate (25), and the clamping rod (11) can extend through the clamping hole (26).

6. The food sample preparation device according to claim 4, characterized in that: The connecting plate (23) is mounted on the bottom end surface of the product table, and one end of the clamping rod (11) can extend into the side plate (25) to be connected with the clamping tube (10), and multiple groups of clamping tubes (10) are connected with multiple groups of clamping holes (26).

7. The food sample preparation device according to claim 1, characterized in that: A third liquid cylinder (27) is installed on the top of the second slide (9), and a mounting frame (28) is installed on one end of the second liquid cylinder (7), and a lifting sample preparation component (29) is installed on the mounting frame (28).

8. The food sample preparation device according to claim 1, characterized in that: The top of the sample preparation platform (1) is provided with a placement groove (30) and a sample groove (31), and the bottom of the sample preparation platform (1) is provided with a support column (32).