Sample clamping device

Abstract

The sample clamping device comprises a freeze dryer, chain assemblies and through holes, the chain assemblies are installed in the freeze dryer at equal intervals, the through holes are evenly formed in the chain assemblies, a fixing plate is installed in the freeze dryer, a lifting plate is arranged on the fixing plate in a sliding mode, the lifting plate is rotationally connected with a two-way threaded rod, and the two-way threaded rod is connected with the two-way threaded rod in a sliding mode. And a clamping plate for clamping the test tubes is arranged in the chain assembly. According to the sample clamping device, the connecting rod moves to drive the clamping plate to move synchronously, the clamping plate can move to be attached to the outer side of a test tube, the test tube can be limited through arrangement of the clamping plate, corresponding adjustment can be conducted according to the specification of the test tube, the lifting plate drives the clamping plate to move up and down in the lifting process, and the clamping plate moves up and down to enable the test tube to move up and down; when the test tube moves to be in contact with the control switch, the control motor can be stopped, and after the test tube is taken, the test tube is separated from the control switch, so that the chain assembly automatically runs.

Description

TECHNICAL FIELD

[0001] The utility model relates to sample clamping technical field, concretely to a sample clamping device. BACKGROUND

[0002] Freeze dryer is a kind of equipment for dehydration drying of substance under low temperature and low pressure condition, freeze dryer needs to be used in the process of biological research, mainly used for preserving, preparing and analyzing biological material, with the functions of keeping the activity and stability of biological material, high fidelity and wide application range, biological material is placed in test tube, and the test tube is fixed by the clamping device inside freeze dryer.

[0003] Such as the disclosure number CN221724675U a test tube refrigerator, the side of the two rotating plates close to each other is fixedly connected with clamping block, the surface of clamping block is equipped with sponge pad two, sponge pad two and the surface of test tube abut, the left and right sides of fixed seat are symmetrically provided with fixed block, and the two fixed blocks are transmissionally connected with rotating plate through connecting shaft.

[0004] The above-mentioned test tube freezer needs to operate the corresponding parts when placing the test tube, since the number of experimental samples is generally more, the corresponding parts of each test tube need to be operated, which is inconvenient to operate and the working efficiency is relatively slow. UTILITY MODEL CONTENTS

[0005] The utility model discloses a sample clamping device to solve the problem that the sample clamping device on the market needs to operate the corresponding parts of each test tube, which is inconvenient to operate and the working efficiency is relatively slow.

[0006] To achieve the above object, the utility model provides the following technical scheme: a sample clamping device, including freeze dryer, chain assembly and through -hole, freeze dryer inside equidistant installation has chain assembly, and chain assembly is evenly provided with through -hole, and freeze dryer is installed with fixed plate in the inside, and the fixed plate slides on the lifting plate, and the lifting plate is rotatably connected with the bidirectional screw rod, and the inside position of chain assembly is provided with the clamping plate for clamping test tube.

[0007] Preferably, the front and rear ends of the freeze dryer are installed with a sealing door through a hinge.

[0008] Preferably, the fixed plate side is installed with a control switch, and the fixed plate is located at the rear side of the freeze dryer, the fixed plate is installed with a support plate, the support plate is installed with a gas cylinder, and the output end of the gas cylinder is fixed with the lifting plate.

[0009] Preferably, the lifting plate is rotatably connected with a bidirectional screw rod, the two end positions of the bidirectional screw rod are threadedly connected with a moving plate, the lifting plate is installed with a guide rod, and the moving plate penetrates the guide rod.

[0010] Preferably, a connecting rod is installed on the moving plate, and clamping plates are installed at equal intervals on the connecting rod, and the clamping plates on the left and right sides form a circular structure.

[0011] Preferably, the clamping plates are arranged in an arc-shaped structure, and the clamping plates on the left and right sides are not on the same horizontal plane.

[0012] Preferably, a servo motor is installed at the end of the lifting plate away from the fixed plate, and the output end of the servo motor is fixed with the end of the bidirectional threaded rod.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a through hole and a chain assembly, the through hole is arranged on the chain assembly, the test tube can be inserted through the arrangement of the through hole, the chain assembly can move to make the test tube move, and the test tube can be conveniently taken and placed without needing to stretch the hand into the freeze dryer, so that operation is facilitated.

[0015] 2. The utility model discloses a connecting rod, a clamping plate and a lifting plate, the connecting rod moves to drive the clamping plate to move synchronously, the clamping plate can be moved to be attached to the outside of the test tube, the test tube can be limited through the arrangement of the clamping plate, and corresponding adjustment can be carried out according to the specification of the test tube.

[0016] 3. The utility model discloses a cylinder and a lifting plate, the cylinder moves the lifting plate up and down, the lifting plate drives the clamping plate to move up and down in the process of lifting, the clamping plate moves up and down to make the test tube go up and down, the end of the test tube protrudes on the upper end of the chain assembly, personnel can conveniently take, the control motor can be stopped when the test tube moves to contact the control switch, the chain assembly is automatically operated after the test tube is taken and is separated from the control switch, and personnel do not need to control it. DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic view of the chain assembly of the utility model;

[0019] Figure 3 It is a three-dimensional structure schematic view of the fixed plate of the utility model;

[0020] Figure 4 It is a three-dimensional structure schematic view of the utility model after the sealing door is disassembled;

[0021] Figure 5 It is a three-dimensional structure schematic view of the utility model Figure 3 It is an enlarged structure schematic view of A in the utility model.

[0022] In the figure: 1, freeze dryer; 2, sealing door; 3, chain assembly; 4, through hole; 5, fixed plate; 6, control switch; 7, bidirectional threaded rod; 8, lifting plate; 9, support plate; 10, air cylinder; 11, moving plate; 12, guide rod; 13, servo motor; 14, connecting rod; 15, clamping plate. DETAILED DESCRIPTION

[0023] 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.

[0024] Please refer to Figures 1-5 The present application provides the following technical solutions:

[0025] A sample clamping device, comprising a freeze dryer 1, a chain assembly 3 and a through hole 4, the chain assembly 3 is installed at equal intervals in the freeze dryer 1, and the through hole 4 is uniformly arranged on the chain assembly 3, the fixed plate 5 is installed in the freeze dryer 1, the lifting plate 8 is slidably arranged on the fixed plate 5, and the sealing door 2 is hingedly installed at the front and rear ends of the freeze dryer 1.

[0026] The front sealing door 2 is opened, the test tube is placed in the frontmost through hole 4, the control motor is controlled to make the chain assembly 3 run to the rear side, the through hole 4 below the chain assembly 3 gradually moves upward during the running process to the rear side, and then the test tube is continuously placed on the through hole 4, and the test tube can be preliminarily fixed through the arrangement of the through hole 4.

[0027] The control switch 6 is installed on the side edge of the fixed plate 5, the fixed plate 5 is located at the rear side of the freeze dryer 1, the control motor for controlling the operation of the chain assembly 3 is installed at equal intervals on the side edge of the freeze dryer 1, and the control motor is electrically connected with the control switch 6. The support plate 9 is installed on the fixed plate 5, the air cylinder 10 is installed on the support plate 9, the output end of the air cylinder 10 is fixed with the lifting plate 8, the clamping plate 15 is arranged in an arc structure, and the left and right clamping plates 15 are not on the same horizontal plane.

[0028] When the test tube needs to be taken, the rear seal door 2 is opened, the outermost test tube is taken, and the test tube is not in contact with the control switch 6, at this time, the control switch 6 controls the chain assembly 3 to make the control motor run, the chain assembly 3 moves the test tube to the rear side, when the test tube moves to press the control switch 6, the control switch 6 stops the control motor on the chain assembly 3 from running, the chain assembly 3 no longer runs, and the test tube is conveniently taken, and the cylinder 10 can be run before taking, the cylinder 10 moves the lifting plate 8 upward, the lifting plate 8 moves upward to drive the whole to move upward, the test tube moves upward, the distance between the upper end of the test tube and the chain assembly 3 is increased, and the test tube is conveniently taken.

[0029] The lifting plate 8 is rotationally connected with the bidirectional threaded rod 7, the inside of the chain assembly 3 is provided with the clamping plate 15 for clamping the test tube, the lifting plate 8 is rotationally connected with the bidirectional threaded rod 7, the two ends of the bidirectional threaded rod 7 are threadedly connected with the moving plate 11, the lifting plate 8 is provided with the guide rod 12, the moving plate 11 penetrates through the guide rod 12, the end of the lifting plate 8 away from the fixed plate 5 is provided with the servo motor 13, the output end of the servo motor 13 is fixed with the end of the bidirectional threaded rod 7, the moving plate 11 is provided with the connecting rod 14, and the clamping plate 15 is installed at equal intervals on the connecting rod 14, and the clamping plates 15 on the left and right sides form a circular structure.

[0030] When the chain assembly 3 no longer runs, the servo motor 13 is powered, the bidirectional threaded rod 7 is rotated by the servo motor 13, the moving plate 11 is moved to the middle position by the rotation of the bidirectional threaded rod 7, the connecting rod 14 is synchronously moved by the movement of the moving plate 11, the clamping plate 15 is synchronously moved by the movement of the connecting rod 14, and the servo motor 13 is disconnected from the power supply when the clamping plate 15 moves to contact the side of the test tube, at this time, the clamping plate 15 clamps the test tube, and the test tube is more stably located in the freeze dryer 1.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sample clamping device, comprising a freeze dryer (1), a chain assembly (3), and through holes (4), wherein the chain assembly (3) is installed at equal intervals inside the freeze dryer (1), and through holes (4) are uniformly provided on the chain assembly (3), characterized in that, The freeze dryer (1) has a fixed plate (5) installed inside, and a lifting plate (8) slides on the fixed plate (5). A two-way threaded rod (7) is rotatably connected to the lifting plate (8). A clamping plate (15) for holding test tubes is set inside the chain assembly (3).

2. The sample clamping device according to claim 1, characterized in that: The freeze dryer (1) has sealing doors (2) installed at the front and rear ends via hinges.

3. The sample clamping device according to claim 1, characterized in that: The fixed plate (5) is equipped with a control switch (6) on its side. The fixed plate (5) is located at the rear of the freeze dryer (1). A support plate (9) is installed on the fixed plate (5). A cylinder (10) is installed on the support plate (9). The output end of the cylinder (10) is fixed to the lifting plate (8).

4. The sample clamping device according to claim 1, characterized in that: The lifting plate (8) is rotatably connected to a bidirectional threaded rod (7), and the two ends of the bidirectional threaded rod (7) are threadedly connected to a movable plate (11). A guide rod (12) is installed on the lifting plate (8), and the movable plate (11) passes through the guide rod (12).

5. The sample clamping device according to claim 4, characterized in that: A connecting rod (14) is installed on the movable plate (11), and clamping plates (15) are installed at equal intervals on the connecting rod (14). The clamping plates (15) on the left and right sides form a circular structure.

6. The sample clamping device according to claim 1, characterized in that: The clamping plate (15) is an arc-shaped structure, and the clamping plates (15) on the left and right sides are not on the same horizontal plane.

7. The sample clamping device according to claim 1, characterized in that: The lifting plate (8) is equipped with a servo motor (13) at the end away from the fixed plate (5), and the output end of the servo motor (13) is fixed to the end of the bidirectional threaded rod (7).

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