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Clamping device and analyzer

A technology of mounting holes and mounting bases, which is applied in the direction of analyzing materials, instruments, manipulators, etc., can solve the problems of inconvenient control, complex drive structure, and bulky volume, and achieve the effects of convenient manufacturing, simple and effective transmission control, and improved automation level

Inactive Publication Date: 2015-11-04
MACCURA MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, two traditional hydraulic cylinders are used to drive two grippers respectively, and the longitudinal displacement of the grippers is synchronized through the meshing of a pair of parallel racks fixedly connected with the grippers and a gear. The rack and pinion are only passive parts for displacement synchronization, and the driving parts are still the traditional linear drive method of hydraulic cylinder and piston rod. The driving structure is complex and bulky, and it is inconvenient to control

Method used

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  • Clamping device and analyzer
  • Clamping device and analyzer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] like figure 1 and 2As shown, a clamping device includes: a rotary transmission part 1; at least one pair of linear motion transmission parts 22; a clamping part 3, the linear motion transmission part 2 is connected with the clamping part 3; The rotation transmission part 1 makes the movement directions of each pair of linear motion transmission parts 2 opposite, so as to realize the clamping or removal of the target object by the clamping part 3 .

[0051] In this embodiment, the clamping device uses the driving rotary transmission part 1 to make the movement direction of at least one pair of linear motion transmission parts 2 opposite, for example, the drive gear drives the racks arranged in parallel to each other, and the clamping is realized by using the forward and reverse rotation of the rotary drive part The transmission control of part 3 is simple and effective for the clamping or removal of the target object, which can stably grab and place the target object, a...

Embodiment 2

[0053] like figure 1 and 2 As shown, in the clamping device shown in Embodiment 1, the rotary transmission part 1 is a gear, the linear motion transmission part 2 is a rack, and the teeth of each pair of the racks are arranged oppositely, and the racks are all Meshing with the gear, each pair of racks is arranged parallel to each other, and the clamping part 3 is at least one finger part connected with each linear motion transmission part 2 respectively.

[0054] In the embodiment, the rotary transmission part 1 is set as a gear, and the linear motion transmission part 2 is set as a rack. Through the cooperation of the rack and pinion, the drive of the linear motion transmission part 2 is realized. Because the cooperation of the rack and pinion has precise transmission accuracy , so, the clamping device of the present application can precisely control the opening and closing degree of the clamping part 3 when the target object is clamped or removed; the teeth of each pair of ...

Embodiment 3

[0056] like figure 1 and 2 As shown, in the clamping device shown in Embodiment 2, the rotary transmission part 1 is driven by a motor 5, and the rotary transmission part 1 is fixed on the shaft of the motor 5, and the motor 5 is a stepping motor 5 or a servo Motor 5, described stepper motor 5 or servo motor 5 band encoder.

[0057] In this embodiment, the motor 5 is used to drive the rotating transmission part 1. The motor 5 is a conventional component, which facilitates the manufacture of the clamping device of the present application, reduces the difficulty of design and manufacture, and in the later maintenance process, the motor The maintenance and replacement of 5 is convenient, which reduces the maintenance cost in the later stage; meanwhile, since the motor 5 is equipped with an encoder, the motor 5 can be controlled conveniently and accurately during the actual working process, so as to improve the automation level of the clamping device.

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PUM

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Abstract

The invention discloses a clamping device and an analyzer. The clamping device comprises a rotating transmission component, at least one pair of linear movement transmission components and a clamping component, wherein the linear movement transmission components are connected with the clamping component, the linear movement transmission components of each pair are made to be opposite in movement direction by driving the rotating transmission component, and therefore the clamping component can clamp or move out a target object. According to the clamping device, the clamping component clamps or moves out the target object by means of forward and reverse rotation of the rotating transmission component, transmission control is easy and effective, the target object can be grabbed and placed stably, the clamping device can adapt to a miniature clamping claw mechanism, clamping force does not need to be provided by springs, the service life of the clamping device is prolonged, the clamping speed can be effectively controlled, and control is precise.

Description

technical field [0001] The invention relates to the field of in vitro diagnosis and detection, in particular to a clamping device and an analyzer. Background technique [0002] In an in vitro diagnostic analyzer, the reaction tube grabbing and placing device is a key component for automatic analysis and testing of the entire device. The ultimate purpose of the gripper device is to realize the space transformation of reaction tubes, test tubes, reagent boxes, etc. in automated instruments and equipment. During the grasping process, the speed and acceleration of the entire device in space are relatively large, and the requirements for grasping reliability and firmness are high. Its speed and stability will directly affect the test efficiency and stability of the entire analytical instrument. [0003] At present, the transmission mode of electric gripper equipment on the market is mainly in the form of a cam, and the driving source is an electromagnet or a cylinder. The el...

Claims

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Application Information

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IPC IPC(8): B25J9/00B25J9/12G01N35/00
Inventor 李浩王炼
Owner MACCURA MEDICAL INSTR CO LTD