Sample grinding and collecting device for veterinary drug residue detection

Abstract

The utility model relates to the technical field of veterinary drug residue detection, in particular to a sample grinding and collecting device for veterinary drug residue detection, the lower end of a sampling cylinder is connected with a rotating assembly, adjusting assemblies are arranged on the inner walls, located on the two sides of the sampling cylinder, of a base, and grinding assemblies are arranged at the middle ends of the adjusting assemblies. A veterinary drug residue sample is put into a sampling cylinder through a collecting knife, then a second motor is started to drive a ball screw to rotate, the ball screw drives a ball screw sleeve to move downwards, the ball screw sleeve drives a crushing knife to move into the sampling cylinder downwards, and a third motor is started in the process and drives a first bevel gear to rotate; a first bevel gear drives a second bevel gear to rotate, so that a rotating shaft drives a crushing cutter to rotate to pre-crush a sample placed in a sampling cylinder, and the situation that the grinding speed is reduced due to direct grinding of the large sample is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to veterinary drug residue detection technical field especially, relates to a sample grinding collection device for veterinary drug residue detection. BACKGROUND

[0002] Veterinary drug residue refers to the original drug or its metabolite accumulated or stored in the livestock and poultry body or product such as egg, dairy product, meat, etc. after using medicine, including the residue of impurities related to veterinary drug, veterinary drug residue includes not only the original drug, but also the metabolite of drug in animal body and the impurity accompanied in veterinary drug production, including antibiotics, anthelmintics, growth promoters, antiprotozoal drugs, antimalarial drugs, sedatives, adrenergic receptor blockers, etc. At present, people often use sample grinding collection devices when detecting veterinary drug residue on the market.

[0003] Most of the existing sample grinding collection devices for veterinary drug residue detection are directly put into the sampling cylinder for grinding after collecting the sample, but some samples are large, and pre-crushing is not carried out, which leads to slow grinding rate and poor grinding effect. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the utility model is completed.

[0005] Specifically, the technical problem to be solved by the utility model is to provide a sample grinding collection device for veterinary drug residue detection, so as to solve the technical problem that most of the existing sample grinding collection devices for veterinary drug residue detection are directly put into the sampling cylinder for grinding after collecting the sample, but some samples are large, and pre-crushing is not carried out, which leads to slow grinding rate and poor grinding effect.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A sample grinding collection device for veterinary drug residue detection, comprising a base and a sampling cylinder arranged on the upper end of the bottom surface of the base, the lower end of the sampling cylinder is connected with a rotating assembly, the base is provided with an adjusting assembly on the inner wall of both sides of the sampling cylinder, and the adjusting assembly is provided with a grinding assembly at the middle end;

[0008] The adjusting assembly comprises a second motor fixedly arranged at the upper end of the base, a ball screw connected to the output end of the second motor, a ball screw sleeve sleeved on the outer wall of the ball screw, and a connecting rod connected to one end of the ball screw sleeve.

[0009] As an improved technical solution, the rotating assembly comprises a fixed block fixedly arranged at the bottom end of the base, a first motor fixedly connected to the upper end of the fixed block, a gear connected to the output end of the first motor, a supporting shaft rotationally connected to the bottom end of the base, and a toothed disc fixedly connected to the upper end of the supporting shaft.

[0010] As an improved technical solution, the rotating assembly further comprises a mounting groove formed in the upper end of the toothed disc, the sampling cylinder is movably inserted into the mounting groove, positioning blocks are arranged at the two ends of the outer wall of the sampling cylinder, the adjusting assembly is provided with positioning grooves matched with the positioning blocks on the two sides of the mounting groove, the positioning blocks are movably inserted into the positioning grooves, first bolts are threadedly inserted into the two ends of the outer wall of the toothed disc, the front ends of the first bolts are movably inserted through the outer wall of the sampling cylinder, and the outer wall of the sampling cylinder is provided with positioning holes matched with the first bolts.

[0011] As an improved technical solution, the connecting rod and the ball screw sleeve are rotationally connected, two groups of adjusting blocks symmetrically arranged above and below are formed in the outer wall of the side of the connecting rod close to the ball screw sleeve, a connecting block is fixedly arranged at the upper end of the side of the ball screw sleeve close to the adjusting blocks, second bolts are threadedly inserted into the middle ends of the adjusting blocks, and the front ends of the second bolts are movably inserted through the connecting block.

[0012] As an improved technical solution, a sliding sleeve is rotationally connected to the end of the connecting rod away from the ball screw sleeve, a sliding rod is movably inserted into the middle end of the sliding sleeve, and the upper end and the lower end of the sliding rod are fixedly connected to the base.

[0013] As an improved technical solution, the rotating shaft is rotationally inserted into the middle end of the connecting rod, and the first bevel gear and the second bevel gear are meshed with each other.

[0014] As an improved technical solution, the sampling cylinder is located directly below the crushing knife and the grinding disc.

[0015] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0016] 1. The utility model discloses a sample collection device for veterinary drug residue detection, which comprises a sample collection cylinder, a rotating assembly, an adjusting assembly and a grinding assembly.

[0017] 2. When the sample collection cylinder needs to be installed, the positioning block is aligned with the positioning groove, the lower end of the sample collection cylinder is placed on the upper end of the mounting groove, the first bolt is selected at this time, the front end of the first bolt is selected into the positioning hole, and the installation of the sample collection cylinder is completed, thereby improving the efficiency of the staff in installing and fixing the sample collection cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, for the ordinary skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings. Among them:

[0019] Figure 1 It is a whole stereoscopic structure schematic diagram of the utility model veterinary drug residue detection sample grinding collection device.

[0020] Figure 2 It is a rotating assembly part exploded stereoscopic structure schematic diagram of the utility model veterinary drug residue detection sample grinding collection device.

[0021] Figure 3 It is an adjusting assembly stereoscopic structure schematic diagram of the utility model veterinary drug residue detection sample grinding collection device.

[0022] Figure 4 It is a grinding assembly stereoscopic structure schematic diagram of the utility model veterinary drug residue detection sample grinding collection device.

[0023] Figure 5 It is a sample collection cylinder stereoscopic structure schematic diagram of the utility model veterinary drug residue detection sample grinding collection device.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1, base; 2, sampling cylinder; 3, rotating assembly; 31, fixed block; 32, first motor; 33, gear; 34, support shaft; 35, toothed disc; 36, mounting groove; 37, positioning groove; 38, first bolt; 4, positioning block; 5, adjusting assembly; 51, second motor; 52, ball screw; 53, ball screw sleeve; 54, connecting rod; 55, adjusting block; 56, connecting block; 57, second bolt; 58, slide rod; 59, slide sleeve; 6, grinding assembly; 61, rotating shaft; 62, third motor; 63, first bevel gear; 64, second bevel gear; 65, grinding disc; 66, crushing knife; 7, positioning hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0028] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes.

[0029] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0030] As Figures 1-5 As shown in the drawings, the embodiment provides a sample grinding and collecting device for veterinary drug residue detection, which comprises a base 1 and a sampling cylinder 2 arranged at the upper end of the bottom surface of the base 1. The lower end of the sampling cylinder 2 is connected with a rotating assembly 3. The base 1 is provided with an adjusting assembly 5 on the inner walls on both sides of the sampling cylinder 2, and the adjusting assembly 5 is provided with a grinding assembly 6 at the middle end.

[0031] The adjusting assembly 5 comprises a second motor 51 fixedly arranged at the upper end of the base 1, a ball screw 52 connected at the output end of the second motor 51, a ball screw sleeve 53 sleeved on the outer wall of the ball screw 52, a connecting rod 54 connected at one end of the ball screw sleeve 53, and the grinding assembly 6 comprises a rotating shaft 61 inserted into the middle end of the connecting rod 54, a grinding disc 65 and a crushing knife 66 arranged at the upper and lower ends of the rotating shaft 61 respectively, a third motor 62 fixedly arranged at the upper end face of the connecting rod 54, a first bevel gear 63 connected at the output end of the third motor 62, and a second bevel gear 64 sleeved on the outer wall of the rotating shaft 61.

[0032] The rotating assembly 3 comprises a fixed block 31 fixedly arranged at the bottom end of the base 1, a first motor 32 fixedly connected at the upper end of the fixed block 31, a gear 33 connected at the output end of the first motor 32, a supporting shaft 34 rotatably connected at the bottom end of the base 1, a toothed disc 35 fixedly connected at the upper end of the supporting shaft 34, and the upper end faces of the gear 33 and the toothed disc 35 are peripherally meshed.

[0033] The connecting rod 54 and the ball screw sleeve 53 are rotatably connected, two groups of adjusting blocks 55 symmetrically arranged above and below are formed on the outer wall of one side of the connecting rod 54 close to the ball screw sleeve 53, a connecting block 56 is fixedly arranged at the upper end face of the ball screw sleeve 53 close to the adjusting blocks 55, second bolts 57 are threadedly inserted into the middle ends of the adjusting blocks 55, and the front ends of the second bolts 57 are movably inserted through the connecting block 56.

[0034] A sliding sleeve 59 is rotatably connected at the end of the connecting rod 54 away from the ball screw sleeve 53, a sliding rod 58 is movably inserted into the middle end of the sliding sleeve 59, and the upper and lower ends of the sliding rod 58 are fixedly connected with the base 1.

[0035] The rotating shaft 61 is rotatably inserted into the middle end of the connecting rod 54, and the first bevel gear 63 and the second bevel gear 64 are meshed with each other.

[0036] The sampling cylinder 2 is located directly below the crushing knife 66 and the grinding disc 65.

[0037] The sampling cutter medicine residue sample is placed into the sampling cylinder 2, then the second motor 51 is started to drive the ball screw 52 to rotate, the ball screw 52 drives the ball sleeve 53 to move downwards, the ball sleeve 53 drives the crushing cutter 66 to move into the sampling cylinder 2, in the process, the third motor 62 is started at the same time, the third motor 62 drives the first bevel gear 63 to rotate, the first bevel gear 63 drives the second bevel gear 64 to rotate, so that the rotating shaft 61 drives the crushing cutter 66 to rotate, and the sample placed in the sampling cylinder 2 is pre-crushed, after the pre-crushing is completed, the second motor 51 can be reversed, the ball sleeve 53 takes out the crushing cutter 66 from the sampling cylinder 2, then the second bolt 57 is screwed out of the connecting block 56 and the adjusting block 55, the rotating shaft 61 is rotated by 180° by the worker, and the connecting rod 54 is also rotated by 180°, then the second bolt 57 is screwed into the opposite connecting block 56 and adjusting block 55, at this time, the crushing cutter 66 is rotated below the grinding disc 65, and the connecting rod 54 cannot continue to rotate, the motor second motor 51 is started again to drive the grinding disc 65 into the sampling cylinder 2, and the sample pre-crushed is ground, in the pre-crushing and grinding process, the first motor 32 can be started at the same time to rotate, the first motor 32 drives the gear 33 to rotate, the gear 33 drives the toothed disc 35 to rotate along the support shaft 34, so that the sampling cylinder 2 at the upper end of the toothed disc 35 rotates at the same time, the direction of rotation of the sampling cylinder 2 and the direction of rotation of the crushing cutter 66 and the grinding disc 65 are opposite, so that the sample in the sampling cylinder 2 can be crushed and ground faster, and the crushing and grinding rate is increased, in the process of moving the ball sleeve 53 up and down along the ball screw 52, the sleeve 59 also moves up and down along the slide rod 58, which increases the stability of the crushing cutter 66 and the grinding disc 65 in the process of moving up and down

[0038] As Figure 1 , Figure 2 and Figure 5 together shown, the rotating assembly 3 further comprises a mounting groove 36 opened at the upper end of the toothed disc 35, the lower end of the sampling cylinder 2 is movably inserted into the mounting groove 36, the outer wall of the sampling cylinder 2 is provided with a positioning block 4, the adjusting assembly 5 is provided with a positioning groove 37 matched with the positioning block 4 at both sides of the mounting groove 36, the positioning block 4 is movably inserted into the positioning groove 37, the outer wall of the toothed disc 35 is threadedly inserted with a first bolt 38, the front end of the first bolt 38 movably penetrates through the outer wall of the sampling cylinder 2, and the outer wall of the sampling cylinder 2 is provided with a positioning hole 7 matched with the first bolt 38.

[0039] When the grinding is finished, the first bolt 38 can be rotated to be drawn out of the positioning hole 7, and then the sampling cylinder 2 is lifted up to pour the sample ground in the sampling cylinder 2 into a corresponding container for subsequent detection. When the sampling cylinder 2 needs to be installed, the positioning block 4 is aligned with the positioning groove 37, the lower end of the sampling cylinder 2 is placed on the upper end of the installation groove 36, the first bolt 38 is selected, the front end of the first bolt 38 is selected into the positioning hole 7, and the installation of the sampling cylinder 2 is completed, so that the efficiency of the staff in installing and fixing the sampling cylinder 2 is improved.

[0040] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the scope of protection of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A sample grinding and collecting device for veterinary drug residue detection, comprising a base (1) and a sampling cylinder (2) arranged at the upper end of the bottom surface of the base (1), characterized in that: The lower end of the sampling cylinder (2) is connected with a rotating assembly (3), the base (1) is located on the inner wall of the two sides of the sampling cylinder (2) and is provided with an adjusting assembly (5), and the middle end of the adjusting assembly (5) is provided with a grinding assembly (6). The adjusting assembly (5) comprises a second motor (51) fixedly arranged on the upper end of the base (1), a ball screw (52) connected with the output end of the second motor (51), a ball screw sleeve (53) sleeved on the outer wall of the ball screw (52), a connecting rod (54) connected with one end of the ball screw sleeve (53), and the grinding assembly (6) comprises a rotating shaft (61) inserted in the middle end of the connecting rod (54), and the upper and lower ends of the rotating shaft (61) are respectively provided with a grinding disc (65) and a crushing knife (66), and the upper end surface of the connecting rod (54) is fixedly provided with a third motor (62), the output end of the third motor (62) is connected with a first bevel gear (63), and the outer wall of the rotating shaft (61) is sleeved with a second bevel gear (64).

2. The sample grinding and collecting device for veterinary drug residue detection according to claim 1, characterized in that: The rotating assembly (3) comprises a fixed block (31) fixedly arranged on the bottom end of the base (1), a first motor (32) fixedly connected with the upper end of the fixed block (31), a gear (33) connected with the output end of the first motor (32), a support shaft (34) rotatably connected with the bottom end of the base (1), a toothed disc (35) fixedly connected with the upper end of the support shaft (34), and the upper end surfaces of the gear (33) and the toothed disc (35) are peripherally meshed.

3. The sample grinding and collecting device for veterinary drug residue detection according to claim 2, characterized in that: The rotating assembly (3) further comprises a mounting groove (36) formed in the upper end of the toothed disc (35), the lower end of the sampling cylinder (2) is movably inserted into the mounting groove (36), the outer walls of the two ends of the sampling cylinder (2) are provided with positioning blocks (4), the adjusting assembly (5) is located on both sides of the mounting groove (36) and is provided with positioning grooves (37) matched with the positioning blocks (4), the positioning blocks (4) are movably inserted into the positioning grooves (37), the outer walls of the two ends of the toothed disc (35) are threadedly inserted with first bolts (38), the front ends of the first bolts (38) movably pass through the outer wall of the sampling cylinder (2), and the outer wall of the sampling cylinder (2) is provided with positioning holes (7) matched with the first bolts (38).

4. The sample grinding and collecting device for veterinary drug residue detection according to claim 1, characterized in that: The connecting rod (54) and the ball screw sleeve (53) are rotatably connected, the outer wall of one side of the connecting rod (54) close to the ball screw sleeve (53) is provided with two groups of adjustment blocks (55) which are symmetrically arranged above and below, the upper end surface of the ball screw sleeve (53) close to the adjustment blocks (55) is fixedly provided with a connecting block (56), and the middle end of the adjustment block (55) is threadedly connected with a second bolt (57), and the front end of the second bolt (57) movably passes through the connecting block (56).

5. The sample grinding and collection device for veterinary drug residue testing of claim 1, wherein: The end of the connecting rod (54) away from the ball screw sleeve (53) is rotatably connected with a sliding sleeve (59), the middle end of the sliding sleeve (59) is movably inserted with a sliding rod (58), and the upper and lower ends of the sliding rod (58) are fixedly connected with the base (1).

6. The sample grinding and collection device for veterinary drug residue testing of claim 1, wherein: The rotating shaft (61) is rotatably inserted in the middle end of the connecting rod (54), and the first bevel gear (63) and the second bevel gear (64) are meshed with each other.

7. The sample grinding and collecting device for veterinary drug residue detection according to claim 1, characterized in that: The sampling cylinder (2) is located directly below the crushing knives (66) and the grinding disc (65).

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