Cover opening and sealing assembly for sample bottle

Abstract

The utility model belongs to the technical field of test instrument equipment, and provides a sample bottle cap opening and sealing assembly which comprises a mounting frame, a gear box, a left bottle body clamping block, a right bottle body clamping block, a left bottle cap clamping block and a right bottle cap clamping block, wherein the left bottle body clamping block and the right bottle body clamping block are movably arranged at the bottom of the gear box; the left bottle body clamping block and the right bottle body clamping block are each provided with a clamping groove matched with a sample bottle body, the inner side of the left bottle cap clamping block and the inner side of the right bottle cap clamping block are each provided with two clamping rollers which are longitudinally arranged at intervals and movably connected with the left bottle cap clamping block and the right bottle cap clamping block, and the left bottle cap clamping block and / or the right bottle cap clamping block are / is provided with a bottle cap rotary knob motor / a bottle cap rotary knob motor connected with at least one clamping roller. The sample bottle cap opening and sealing assembly provided by the utility model can realize automatic cap opening and sealing operation of the bottle cap of the sample bottle in a sample liquid test pipetting process, does not need manual cap opening and closing, is high in automation degree, improves the pipetting operation efficiency, can ensure one-to-one correspondence of the bottle cap and the bottle cap, and reduces the labor intensity of workers. The phenomenon of sample liquid pollution caused by cross use of caps and bottles is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of test instrument equipment, in particular to a sample bottle uncapping and capping assembly. BACKGROUND

[0002] At present, the sample solution test analysis process needs experiment personnel to transfer the corresponding sample solution to the sample bottle to carry out sampling and pipetting operation, in order to ensure that the sample solution is not contaminated, the sample bottle needs to be capped before and after sampling. However, the existing sampling and pipetting operation process is manually twisted by the experiment personnel, which is time-consuming and laborious and only suitable for small batch sample solution test analysis, when a large number of sample solutions of multiple categories need to be tested and analyzed, obviously, the manual operation of opening the closed sample bottle cannot meet the needs of efficient operation, in addition, when multiple sample solutions are simultaneously sampled and pipetted, the bottle caps of multiple sample bottles are easily confused, which leads to cross use, cannot guarantee that the bottle cap is used only with the sample bottle, and cross use of the bottle cap will cause sample solution pollution, affecting the accuracy and reliability of subsequent test analysis.

[0003] Therefore, it is necessary to design a sample bottle uncapping and capping assembly which can at least solve the above problems and defects. SUMMARY

[0004] The utility model discloses to solve the above technical problem, propose a kind of sample bottle uncapping and capping assembly, can realize the automatic uncapping and capping operation of sample bottle bottle cap in sample solution test pipetting process, without manual opening and closing, high degree of automation, improve the efficiency of pipetting operation, and can guarantee that bottle cap is one-to-one, avoid the sample solution pollution phenomenon caused by cross use of bottle cap.

[0005] The technical scheme of the utility model is:

[0006] The utility model discloses a kind of sample bottle uncapping and capping assembly, including mounting bracket, fixedly arranged in the gear box of mounting bracket bottom, left bottle body clamping block and right bottle body clamping block movably arranged in the bottom of gear box, and left bottle cap clamping block and right bottle cap clamping block movably arranged in the bottom of gear box;

[0007] The left bottle body clamping block, the right bottle body clamping block are all provided with the clamping groove compatible with sample bottle body, the left bottle cap clamping block, the right bottle cap clamping block inside are all provided with two clamping rollers which are longitudinally spaced and movably connected, the left bottle cap clamping block and / or the right bottle cap clamping block are provided with bottle cap knob motor connected with at least one clamping roller.

[0008] Preferably, a bottle body clamping motor and a bottle cap clamping motor are fixedly arranged inside the mounting frame, an output shaft of the bottle body clamping motor extends into the gear box and is connected with the left bottle body clamping block and the right bottle body clamping block through gears, and an output shaft of the bottle cap clamping motor extends into the gear box and is connected with the left bottle cap clamping block and the right bottle cap clamping block through gears.

[0009] Preferably, a rotatable first transmission gear and a second transmission gear are arranged inside the gear box, the first transmission gear is located above the second transmission gear, the first transmission gear is meshed and connected with the output shaft of the bottle body clamping motor, and the second transmission gear is meshed and connected with the output shaft of the bottle cap clamping motor.

[0010] Preferably, the left bottle body clamping block is provided with a left bottle body rack located inside the gear box, the right bottle body clamping block is provided with a right bottle body rack located inside the gear box, and the left bottle body rack and the right bottle body rack are both meshed and connected with the first transmission gear.

[0011] The left bottle cap clamping block is provided with a left bottle cap rack located inside the gear box, the right bottle cap clamping block is provided with a right bottle cap rack located inside the gear box, and the left bottle cap rack and the right bottle cap rack are both meshed and connected with the second transmission gear.

[0012] Preferably, the second transmission gear comprises a main transmission gear and an auxiliary transmission gear which are fixedly connected and coaxially arranged, the main transmission gear is meshed and connected with the output shaft of the bottle cap clamping motor, and the auxiliary transmission gear is meshed and connected with the left bottle cap rack and the right bottle cap rack.

[0013] Preferably, the minimum distance between the two clamping rollers of the left bottle cap clamping block and the right bottle cap clamping block is less than the outer diameter of the sample bottle cap, and the length of the clamping roller is greater than the height of the sample bottle cap.

[0014] Preferably, the bottle cap knob motor is vertically fixedly arranged outside the right bottle cap clamping block, and the bottle cap knob motor is meshed and connected with the top end of the clamping roller through a bevel gear.

[0015] Compared with the prior art, the utility model has the following advantages and effects:

[0016] (1) The left bottle body clamping block and the right bottle body clamping block and the left bottle cap clamping block and the right bottle cap clamping block are movably arranged at the bottom of the gear box, the sample bottle body is clamped and fixed through the left bottle body clamping block and the right bottle body clamping block, the sample bottle cap is clamped and fixed through the left bottle cap clamping block and the right bottle cap clamping block, so that independent clamping and fixing of the bottle body and the bottle cap are realized, the bottle cap can be separated from the bottle body during sampling and pipetting, and pipetting operation in the sample bottle is facilitated.

[0017] (2) The left bottle cap clamping block and the right bottle cap clamping block are provided with two longitudinally spaced clamping rollers, the clamping rollers are rotatably arranged on the left bottle cap clamping block and the right bottle cap clamping block, so as to clamp and fix the bottle cap of the sample bottle, and the rotatable clamping rollers rotate synchronously with the bottle cap abutting against the clamping rollers, so as to keep the bottle cap stably and reliably in the clamping space formed by the four clamping rollers;

[0018] (3) The bottle cap knob motor is arranged on the left bottle cap clamping block and / or the right bottle cap clamping block, the bottle cap knob motor is connected with the clamping rollers, so as to drive the clamping rollers to rotate, thereby driving the bottle cap abutting against and pressing the clamping rollers to rotate, and the bottle cap is opened and closed by rotating, manual cap twisting is not needed, and the automation degree is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the sample bottle cap opening and closing assembly in the embodiment of the utility model;

[0020] Figure 2 It is a structure schematic view of the sample bottle cap opening and closing assembly in the embodiment of the utility model; Figure 1 It is a sectional view of position A-A in the embodiment of the utility model;

[0021] Figure 3 It is a sectional view of position B-B in the embodiment of the utility model; Figure 1

[0022] Figure 4 It is a structure schematic view of the sample bottle cap opening and closing assembly in the embodiment of the utility model;

[0023] Figure 5 It is a use state schematic view of the sample bottle cap opening and closing assembly in the embodiment of the utility model.

[0024] The drawings show that: 1, mounting frame; 2, gear box; 21, first transmission gear; 22, second transmission gear; 221, main transmission gear; 222, auxiliary transmission gear; 3, left bottle body clamping block; 31, left bottle body rack; 4, right bottle body clamping block; 41, right bottle body rack; 5, left bottle cap clamping block; 51, left bottle cap rack; 6, right bottle cap clamping block; 61, right bottle cap rack; 7, clamping groove; 8, clamping roller; 9, bottle cap knob motor. DETAILED DESCRIPTION

[0025] In order to make the person skilled in the art better understand the utility model, the utility model will be further described in conjunction with specific implementation manners. It should be understood that the specific implementation manners described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0026] Embodiment:

[0027] For example, Figure 1 And Figure 4 ​As shown, this utility model provides a sample bottle capping and uncapping assembly, which includes a mounting frame 1, a toothed box 2 fixedly mounted at the bottom of the mounting frame 1, a left bottle body clamping block 3 and a right bottle body clamping block 4 movably mounted at the bottom of the toothed box 2, and a left bottle cap clamping block 5 and a right bottle cap clamping block 6 movably mounted at the bottom of the toothed box 2. The left bottle body clamping block 3 and the right bottle body clamping block 4 are each provided with a clamping groove 7 adapted to the sample bottle body. Furthermore, the inner wall of the clamping groove 7 is provided with soft, non-slip protrusions or textures to prevent slippage during clamping, gripping, or twisting the cap. The inner side of the left bottle cap clamping block 5 and the right bottle cap clamping block 6 are each provided with two longitudinally spaced and movably connected clamping rollers 8. The minimum distance between the two clamping rollers 8 is less than the outer diameter of the sample bottle cap, and the length of the clamping rollers 8 is greater than the height of the sample bottle cap, so that the sample bottle cap remains clamped by the four clamping rollers 8 throughout the process of rotating and unscrewing until it detaches from the sample bottle body. The clamping rollers 8 are specifically rollers made of soft material.

[0028] The left cap clamping block 5 and / or the right cap clamping block 6 are equipped with cap knob motors 9. The cap knob motors 9 are connected to at least one clamping roller 8 to drive the clamping roller 8 to rotate, thereby causing the cap it abuts to open or close. For details, refer to... Figure 1 As shown, the bottle cap knob motor 9 is vertically fixed on the outside of the right bottle cap clamping block 6. The output shaft of the bottle cap knob motor 9 is connected to the top end of the clamping roller 8 via a bevel gear (not shown in the figure). The vertically meshing bevel gear drives the longitudinally arranged clamping roller 8 to rotate, thereby causing the sample bottle cap that is pressed against it to rotate synchronously. The other three clamping rollers 8 follow the sample bottle cap and rotate accordingly, so as to realize the opening or closing of the bottle cap by unscrewing.

[0029] refer to Figure 5 As shown, in actual use, simply installing and fixing the top of the mounting bracket 1 to the end of the robotic arm will enable the robotic arm to have the functions of clamping sample bottles and opening and closing the sample bottles. That is, the sample bottle opening and closing assembly provided in this embodiment can be used in conjunction with a robotic arm or other mechanical equipment.

[0030] Combination Figure 1 and Figure 4 As shown, the mounting frame 1 is equipped with a bottle body clamping motor and a bottle cap clamping motor (not shown in the figure). The output shaft of the bottle body clamping motor extends into the gear box 2 and is connected to the left bottle body clamping block 3 and the right bottle body clamping block 4 through gears, so as to drive the left bottle body clamping block 3 and the right bottle body clamping block 4 to move towards each other to clamp the sample bottle body or to move away from each other to release the sample bottle body. The output shaft of the bottle cap clamping motor extends into the gear box 2 and is connected to the left bottle cap clamping block 5 and the right bottle cap clamping block 6 through gears, so as to drive the left bottle cap clamping block 5 and the right bottle cap clamping block 6 to move towards each other to clamp the sample bottle cap or to move away from each other to release the sample bottle cap.

[0031] Furthermore, in combination Figure 2 , Figure 3 and Figure 4 As shown, the gearbox 2 is equipped with a rotatable first transmission gear 21 and a second transmission gear 22. The first transmission gear 21 is located above the second transmission gear 22. The first transmission gear 21 is meshed with the output shaft of the bottle body clamping motor, and the second transmission gear 22 is meshed with the output shaft of the bottle cap clamping motor. The left bottle clamping block 3 is provided with a left bottle rack 31 located inside the gear box 2, and the right bottle clamping block 4 is provided with a right bottle rack 41 located inside the gear box 2. Both the left bottle rack 31 and the right bottle rack 41 are meshed with the first transmission gear 21 so that they can move synchronously towards each other or away from each other under the driving action of the first transmission gear 21. The left bottle cap clamping block 5 is provided with a left bottle cap rack 51 located inside the gear box 2, and the right bottle cap clamping block 6 is provided with a right bottle cap rack 61 located inside the gear box 2. Both the left bottle cap rack 51 and the right bottle cap rack 61 are meshed with the second transmission gear 22 so that they can move synchronously towards each other or away from each other under the driving action of the second transmission gear 22.

[0032] Further reference Figure 2 and Figure 4 As shown, the second transmission gear 22 includes a main transmission gear 221 and a secondary transmission gear 222 that are fixedly connected and coaxially arranged. The main transmission gear 221 is located directly above the secondary transmission gear 222. The main transmission gear 221 is meshed with the output shaft of the bottle cap clamping motor, and the secondary transmission gear 222 is meshed with the left bottle cap rack 51 and the right bottle cap rack 61. The left bottle body clamping block 3 and the right bottle body clamping block 4 are symmetrical about the center of the first transmission gear 21, and the left bottle cap clamping block 5 and the right bottle cap clamping block 6 are symmetrical about the center of the second transmission gear 22.

[0033] In the specific use process, the left bottle body clamping block 3 and the right bottle body clamping block 4 are clamped to the sample bottle body under the driving of the bottle body clamping motor and the first transmission gear 21, the left bottle cap clamping block 5 and the right bottle cap clamping block 6 are clamped to the sample bottle cap under the driving of the bottle cap clamping motor and the second transmission gear 22, and the sample bottle is transferred to a designated position through the mechanical arm; subsequently, the bottle cap knob motor 9 works to drive the clamping roller 8 connected through the bevel gear to rotate, the bottle cap is clamped and pressed by the clamping roller 8 and rotates with the driving clamping roller 8, the remaining three clamping rollers 8 rotate with the driven roller, the bottle cap rotates upward along the clamping roller 8 in the rotating process until the sample bottle body (the threaded connection between the bottle cap and the bottle body is interrupted), and the bottle cap is opened; the bottle cap knob motor 9 stops working, the bottle body clamping motor reversely rotates, so that the left bottle body clamping block 3 and the right bottle body clamping block 4 move away from each other and are separated from the clamping and fixing of the sample bottle body, the mechanical arm drives the sample bottle cap opening and sealing assembly and the bottle cap to be separated from the sample bottle, and the sample bottle is completed to be pipetted (liquid injection or liquid taking); the mechanical arm drives the sample bottle cap opening and sealing assembly and the bottle cap to move to the top of the sample bottle and make the bottle cap opposite to the bottle mouth (reset to the position of the bottle cap opening), the left bottle body clamping block 3 and the right bottle body clamping block 4 are clamped to the sample bottle body under the driving of the bottle body clamping motor and the first transmission gear 21; the bottle cap knob motor 9 reversely rotates, the bottle cap is reversely screwed into the bottle body through the clamping roller 8, and the bottle cap is screwed.

[0034] In summary, the sample bottle cap opening and sealing assembly can realize automatic opening and sealing of the sample bottle cap in the sample liquid test pipetting process, does not need manual opening and sealing, has high automation degree, improves the pipetting operation efficiency, can guarantee that the bottle cap is one-to-one corresponding, and avoids sample liquid pollution caused by cross use of the bottle cap.

[0035] The preferred embodiments of the utility model are described above, and the patent range of the utility model is not limited by this, and any equivalent change and modification made within the range of the utility model should still belong to the range covered by the utility model.

Claims

1. A sample vial opening and closing assembly, characterized in that: Includes mounting bracket (1), tooth box (2) fixedly installed at the bottom of mounting bracket (1), left bottle body clamp (3) and right bottle body clamp (4) movably installed at the bottom of tooth box (2), and left bottle cap clamp (5) and right bottle cap clamp (6) movably installed at the bottom of tooth box (2). The left bottle body clamping block (3) and the right bottle body clamping block (4) are each provided with a clamping groove (7) that is adapted to the sample bottle body. The left bottle cap clamping block (5) and the right bottle cap clamping block (6) are each provided with two clamping rollers (8) arranged longitudinally and movably connected to them. The left bottle cap clamping block (5) and / or the right bottle cap clamping block (6) are provided with a bottle cap knob motor (9) connected to at least one clamping roller (8).

2. The sample vial opening and closing assembly according to claim 1, characterized in that: The mounting bracket (1) is fixedly equipped with a bottle body clamping motor and a bottle cap clamping motor. The output shaft of the bottle body clamping motor extends into the gear box (2) and is connected to the left bottle body clamping block (3) and the right bottle body clamping block (4) through gears. The output shaft of the bottle cap clamping motor extends into the gear box (2) and is connected to the left bottle cap clamping block (5) and the right bottle cap clamping block (6) through gears.

3. The sample vial opening and closing assembly according to claim 2, characterized in that: The gearbox (2) is equipped with a rotatable first transmission gear (21) and a second transmission gear (22). The first transmission gear (21) is located above the second transmission gear (22). The first transmission gear (21) is meshed with the output shaft of the bottle body clamping motor, and the second transmission gear (22) is meshed with the output shaft of the bottle cap clamping motor.

4. The sample vial opening and closing assembly according to claim 3, characterized in that: The left bottle body clamping block (3) is provided with a left bottle body rack (31) located inside the gear box (2), and the right bottle body clamping block (4) is provided with a right bottle body rack (41) located inside the gear box (2). The left bottle body rack (31) and the right bottle body rack (41) are both meshed with the first transmission gear (21). The left bottle cap clamp (5) is provided with a left bottle cap rack (51) located inside the gear box (2), and the right bottle cap clamp (6) is provided with a right bottle cap rack (61) located inside the gear box (2). The left bottle cap rack (51) and the right bottle cap rack (61) are both meshed with the second transmission gear (22).

5. The sample vial opening and closing assembly according to claim 4, characterized in that: The second transmission gear (22) includes a main transmission gear (221) and a secondary transmission gear (222) that are fixedly connected and coaxially arranged. The main transmission gear (221) is meshed with the output shaft of the bottle cap clamping motor, and the secondary transmission gear (222) is meshed with the left bottle cap rack (51) and the right bottle cap rack (61).

6. The sample vial opening and closing assembly according to claim 1, characterized in that: The minimum distance between the two clamping rollers (8) of the left bottle cap clamping block (5) and the right bottle cap clamping block (6) is less than the outer diameter of the sample bottle cap, and the length of the clamping roller (8) is greater than the height of the sample bottle cap.

7. The sample vial opening and closing assembly according to claim 1, characterized in that: The bottle cap knob motor (9) is vertically fixed on the outside of the right bottle cap clamping block (6), and the bottle cap knob motor (9) is connected to the top end of the clamping roller (8) through a bevel gear.

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