Uncovering module of culture medium loader

Abstract

The utility model provides an uncovering module of a culture medium loader, and belongs to the technical field of microorganism sample treatment. The uncovering module solves the problem that the uncovering module cannot ensure that an upper cover is completely separated from a loading seat. The loading device comprises a base and an electric finger arranged on the base, the base is provided with a lifting assembly used for driving the electric finger to ascend and descend, the electric finger is provided with at least two clamping jaws used for clamping the upper cover, and the clamping jaws are provided with pushing assemblies used for pushing the loading base downwards when the cover is opened. The pushing assembly is arranged in the clamping jaw, when the clamping jaw clamps the upper cover and drives the upper cover to move upwards, the pushing assembly abuts against the loading base, the loading base is limited to move upwards along with the upper cover, and the purpose of effectively separating the upper cover from the loading base is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of microorganism sample processing, and relates to a cover opening module of culture medium loader. BACKGROUND

[0002] Microorganism sample culture is an important work in medical health, inspection and quarantine, disease control and food safety. At present, automatic inoculation loaders are generally used in microorganism inoculation, culture, separation and detection. The applicant has applied for an automatic inoculation loader [patent application number 2024227251214], which comprises a loading seat provided with a storage cavity and an upper cover arranged on the loading seat. Two buckle structures are symmetrically arranged along the center line of the storage cavity on the loading seat. Two bosses are arranged on the upper cover and are in clamping action with the buckle structures. When the cover is closed, the buckle structures are pressed on the bosses.

[0003] When the existing cover opening module opens the cover of the above-mentioned loader, the clamping jaw clamps the upper cover and causes elastic deformation of the upper cover, so that the boss is separated from the clamping action of the buckle structure. In actual operation, the existing cover opening module cannot completely separate the upper cover from the loading seat. When the clamping jaw clamps the upper cover and moves upward, the loading seat will also move upward, which may cause the risk of culture medium leakage. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned problems existing in the prior art and provides a cover opening module of culture medium loader, which can completely separate the upper cover from the loading seat.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] The cover opening module of the culture medium loader comprises a base and an electric finger arranged on the base. A lifting assembly is arranged on the base to drive the electric finger to lift. At least two clamping jaws are arranged on the electric finger to clamp the upper cover. A pushing assembly is arranged on each clamping jaw to push the loading seat downward when the cover is opened.

[0007] The pushing assembly is arranged on each clamping jaw. When the clamping jaw clamps the upper cover and drives the upper cover to move upward, the pushing assembly pushes the loading seat, so that the loading seat is limited to move upward with the upper cover, thereby completely separating the upper cover from the loading seat.

[0008] In the cover opening module of the culture medium loader, the pushing assembly comprises a guide hole vertically arranged in the clamping jaw, a push rod slidingly arranged in the guide hole and a spring acting on the upper end of the push rod. Under the action of the spring force, the lower end of the push rod extends out of the guide hole. A limiting structure is arranged between the guide hole and the push rod to limit the falling of the push rod.

[0009] Under the action of the spring force, the lower end of the push rod extends out from the lower end of the guide hole. During the process of clamping the upper cover, the push rod is retracted into the guide hole by the pressure of the loading seat, and the spring is compressed and deformed by force; when the clamping jaws clamp and drive the upper cover to move upward, the spring returns to its original position and drives the push rod to push the loading seat downward, effectively preventing the loading seat from moving with the upper cover.

[0010] In the opening module of the above-mentioned culture medium loader, the limiting structure includes a limiting step at the lower end of the guide hole and a limiting stop at the upper end of the top rod. Under the action of the spring force, the limiting stop abuts against the limiting step.

[0011] The limiting step is circular, and the limiting stop is round, which can effectively prevent the top rod from falling off.

[0012] In the opening module of the above-mentioned culture medium loader, the upper end of the guide hole is provided with an upward penetrating gripper, and a locking screw is threaded onto the gripper. The head of the locking screw presses against the guide hole, and the upper end of the above-mentioned spring abuts against the head of the locking screw.

[0013] The purpose of this design is to facilitate the insertion of the spring and push rod into the guide hole. The insertion steps are as follows: first, loosen the locking screw to fully open the upper end of the guide hole; then, insert the push rod and spring into the guide hole in sequence; and finally, tighten the locking screw.

[0014] In the opening module of the above-mentioned culture medium loader, the gripper includes a connecting part, a gripper part located at the end of the connecting part away from the electric finger, and an extension part located on the side of the connecting part. The gripper part extends downward, and the above-mentioned pushing component is located on the extension part.

[0015] In the opening module of the aforementioned culture medium loader, the lower part of the gripper facing the electric finger has a support protrusion for extending under the upper cover. When the electric finger is not in operation, the support protrusion supports the upper cover and prevents it from falling off.

[0016] In the opening module of the above-mentioned culture medium loader, the lifting assembly includes a guide rail vertically arranged on the base, a slider slidably fitted on the guide rail, a mounting plate fixed on the slider, and a lead screw motor arranged on the base. The electric finger is mounted on the mounting plate, and the lead screw of the lead screw motor is vertically arranged and rotatably connected to the mounting plate.

[0017] The mounting plate is L-shaped, and the lead screw of the lead screw motor is rotatably connected to the horizontally extended part of the mounting plate. When the lead screw motor is working, the lead screw rotates and moves up and down, thereby driving the mounting plate to move up and down. The mounting plate is guided by guide rails and sliders.

[0018] Compared with existing technologies, the opening module of this culture medium loader has the following advantages:

[0019] A pusher assembly is installed inside the gripper. When the gripper clamps the top cover and moves the top cover upward, the pusher assembly pushes against the loading seat, restricting the loading seat from moving upward with the top cover, thereby effectively separating the top cover from the loading seat. The upper end of the guide hole extends through the gripper, and a locking screw is connected to the gripper, which facilitates the insertion of the spring and push rod into the guide hole, making operation convenient. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the operation of the cover opening module provided by this utility model.

[0021] Figure 2 This is a structural schematic diagram of the opening module provided by this utility model.

[0022] Figure 3 This is a partial cross-sectional view of the gripper provided by this utility model.

[0023] In the diagram, 1 is the base; 2 is the electric finger; 3 is the gripper; 31 is the connecting part; 32 is the gripper part; 321 is the support protrusion; 33 is the extension part; 331 is the guide hole; 332 is the limiting step; 4 is the top rod; 41 is the limiting stop; 5 is the spring; 6 is the locking screw; 7 is the guide rail; 8 is the mounting plate; and 9 is the lead screw motor. Detailed Implementation

[0024] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0025] like Figure 1 and Figure 2 The culture medium loader shown includes a base 1 and an electric finger 2 mounted on the base 1. In order to realize the lifting and lowering of the electric finger 2, a lifting assembly for driving the electric finger 2 to lift and lower is provided on the base 1.

[0026] like Figure 2 As shown, the lifting assembly includes a guide rail 7 vertically mounted on a base 1, a slider slidably fitted on the guide rail 7, a mounting plate 8 fixed on the slider, and a lead screw motor 9 mounted on the base 1. The mounting plate 8 is L-shaped, and an electric finger 2 is mounted on the vertical plate of the mounting plate 8. The horizontal plate of the mounting plate 8 extends below the lead screw motor 9. The lead screw of the lead screw motor 9 is vertically mounted, and its lower end is rotatably connected to the mounting plate 8. When the lead screw motor 9 is working, the lead screw rotates and moves up and down, thereby driving the mounting plate 8 to move up and down.

[0027] like Figure 1 and Figure 2As shown, two centrally symmetrical grippers 3 are installed on the electric finger 2. When the electric finger 2 operates, the two grippers 3 move relative to each other. Each gripper 3 is equipped with a pusher assembly that pushes the loading seat downward when the cover is opened. The two pusher assemblies are centrally symmetrically arranged. When the two opposing grippers 3 clamp the cover and drive the cover upward, the pusher assembly presses against the loading seat, restricting the loading seat from moving upward with the cover, thus achieving the purpose of completely separating the cover from the loading seat.

[0028] like Figure 2 and Figure 3 As shown, the gripper includes a connecting portion 31, a gripper portion 32 located at the end of the connecting portion 31 away from the electric finger 2, and an extension portion 33 located on the side of the connecting portion 31. The gripper portion 32 extends downward, and the aforementioned pushing assembly is provided on the extension portion 33. Figure 2 and Figure 3 As shown, the gripper portion 32 has a support protrusion 321 on the lower part of the side facing the electric finger 2 for extending under the upper cover. When the electric finger 2 is not in operation, the support protrusion 321 supports the upper cover and prevents the upper cover from falling off.

[0029] like Figure 3 As shown, the push assembly includes a guide hole 331 vertically disposed in the extension 33, a push rod 4 slidably disposed in the guide hole 331, and a spring 5 acting on the upper end of the push rod 4. Under the action of the spring force of the spring 5, the lower end of the push rod 4 extends downward out of the guide hole 331. A limiting structure for limiting the push rod 4 from falling off is provided between the guide hole 331 and the push rod 4.

[0030] Under the action of the spring force of the spring 5, the lower end of the push rod 4 extends out from the lower end of the guide hole 331. During the process of clamping the upper cover, the two grippers 3 are pressed by the loading seat and retract into the guide hole 331, and the spring 5 is compressed and deformed by force; when the two grippers 3 clamp and drive the upper cover to move upward, the spring 5 resets and drives the push rod 4 to push the loading seat downward, effectively preventing the loading seat from moving with the upper cover.

[0031] like Figure 3 As shown, the limiting structure includes a limiting step 332 at the lower end of the guide hole 331 and a limiting stop 41 at the upper end of the push rod 4. Under the action of the spring force of the spring 5, the limiting stop 41 abuts against the limiting step 332, which can effectively prevent the push rod 4 from falling off.

[0032] like Figure 3As shown, the upper end of the guide hole 331 is provided with an upward-facing clamping claw 3, and a locking screw 6 is threaded onto the extension 33. The head of the locking screw 6 presses against the guide hole 331, and the upper end of the spring 5 abuts against the head of the locking screw 6, which facilitates the insertion of the spring 5 and the push rod 4 into the guide hole 331. The insertion steps are as follows: first, unscrew the locking screw 6 to fully open the upper end of the guide hole 331; then, insert the push rod 4 and the spring 5 into the guide hole 331 in sequence; finally, tighten the locking screw 6.

[0033] In some other embodiments, the pushing assembly is a spring screw located within the guide hole 331.

[0034] In other embodiments, the electric finger 2 is equipped with three grippers 3, two of which are located on the same side and the other gripper 3 is located on the other side. The three grippers 3 are staggered, and when the electric finger 2 is working, the grippers 3 located on different sides move relative to each other to clamp the top cover.

[0035] In other embodiments, the electric finger 2 is equipped with four grippers 3, with two grippers 3 on each of the two opposite sides of the electric finger 2. When the electric finger 2 is working, the grippers 3 on different sides move relative to each other.

[0036] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A cap-opening module for a culture medium loader, characterized in that, It includes a base (1) and an electric finger (2) mounted on the base (1). The base (1) is provided with a lifting assembly for driving the electric finger (2) to rise and fall. The electric finger (2) is equipped with at least two grippers (3) for gripping the top cover. The grippers (3) are provided with a pushing assembly for pushing the loading seat downward when the cover is opened.

2. The opening module of the culture medium loader according to claim 1, characterized in that, The push assembly includes a guide hole (331) vertically disposed in the gripper (3), a push rod (4) slidably disposed in the guide hole (331), and a spring (5) acting on the upper end of the push rod (4). Under the action of the spring force (5), the lower end of the push rod (4) extends downward out of the guide hole (331). A limiting structure for limiting the push rod (4) from falling off is provided between the guide hole (331) and the push rod (4).

3. The opening module of the culture medium loader according to claim 2, characterized in that, The limiting structure includes a limiting step (332) at the lower end of the guide hole (331) and a limiting stop (41) at the upper end of the top rod (4). Under the action of the spring force (5), the limiting stop (41) abuts against the limiting step (332).

4. The opening module of the culture medium loader according to claim 2 or 3, characterized in that, The upper end of the guide hole (331) is provided with a clamping claw (3) extending upwards. A locking screw (6) is threaded onto the clamping claw (3). The head of the locking screw (6) presses against the guide hole (331), and the upper end of the spring (5) abuts against the head of the locking screw (6).

5. The opening module of the culture medium loader according to claim 1, characterized in that, The gripper (3) includes a connecting portion (31), a gripper portion (32) located at one end of the connecting portion (31) away from the electric finger (2), and an extension portion (33) located on the side of the connecting portion (31). The gripper portion (32) extends downward, and the aforementioned pushing component is located on the extension portion (33).

6. The opening module of the culture medium loader according to claim 5, characterized in that, The gripper portion (32) has a support protrusion (321) on the lower part of the side facing the electric finger (2) for extending under the top cover.

7. The opening module of the culture medium loader according to claim 1, characterized in that, The lifting assembly includes a guide rail (7) vertically mounted on the base (1), a slider slidably fitted on the guide rail (7), a mounting plate (8) fixed on the slider, and a lead screw motor (9) mounted on the base (1). The electric finger (2) is mounted on the mounting plate (8), and the lead screw of the lead screw motor (9) is vertically mounted and rotatably connected to the mounting plate (8).

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