CN115178318A - Orifice plate clamping jaw - Google Patents

Abstract

The invention relates to the technical field of laboratory automation equipment, and discloses a pore plate clamping jaw which comprises a flat shell and a driving head, wherein a cavity is formed in the flat shell, a head channel is formed between the cavity and the driving head, a driving seat is arranged in the cavity along the length direction, a jack post is arranged above the driving seat and extends into the head channel, two ends of the driving seat are in sliding fit with guide posts at two ends of the cavity, a thrust spring is arranged between the top end of the jack post and the flat shell, channels are formed in two sides of the driving seat, which are symmetrical to the jack post, clamping jaws are symmetrically arranged in the channels, through grooves are formed in the inclined upper parts of the clamping jaws, the inclined upper parts of the clamping jaws extend into the channels to enable the through grooves to be matched with pin posts in the channels, the lower ends of the clamping jaws are located at two ends of the cavity in the length direction and are matched and rotated through rotating shafts arranged on the flat shell, and the lower ends of the clamping jaws extend out of the lower part of the flat shell to form a hand-grasping part. The invention has small volume, smart structure, normalized clamping and resetting and modularization.

Description

Orifice plate clamping jaw

Technical Field

The invention relates to the technical field of laboratory automation equipment, in particular to a hole plate clamping jaw.

Background

In biochemical automation equipment, the handling operation of the well plate is frequently performed. The existing clamping jaws are used for clamping the side edge of the pore plate by a plurality of clamping jaws at the same time, so that the clamping jaws occupy large space and are inconvenient to replace.

Meanwhile, in the automatic operation, auxiliary equipment with different functions, such as liquid injection, cap screwing and the like, needs to be replaced, the replacement process needs manual cooperation, and real automation cannot be realized.

Disclosure of Invention

The invention aims to solve the problems and provides the orifice plate clamping jaw which is small in size, ingenious in structure, standardized in clamping and resetting and modularized.

The technical scheme adopted by the invention is as follows:

the utility model provides a pore plate clamping jaw, characterized by, includes flat casing and drive head, flat casing forms the cavity, form the head passageway between cavity and the drive head set up the drive seat along length direction in the cavity, the top of drive seat is the fore-set, stretches into the head passageway, and the both ends sliding fit of drive seat is on the guide pillar at cavity both ends, set up thrust spring between the top of fore-set and the flat casing, all set up the passageway on the both sides that the drive seat symmetry is in the fore-set, the symmetry sets up the clamping jaw in the passageway, the slope upper portion of clamping jaw sets up logical groove, and slope upper portion stretches into in the passageway makes logical groove cooperation on the round pin post in the passageway, and the lower extreme of clamping jaw is located cavity length direction's both ends position, and is rotatory through the pivot cooperation of installing in flat casing, and the lower extreme forms the tongs portion after stretching out from flat casing's below.

Furthermore, spring seats are arranged on two sides of the top column of the driving seat, and the thrust spring is arranged between the spring seats and the flat shell through a supporting rod.

Further, a top spring is arranged below the inclined lower part of the clamping jaw, and a top spring seat formed in the flat shell is arranged below the top spring.

Furthermore, clamp plates are formed below the hand grab parts at the two ends, anti-skidding knurls are arranged on the inner sides of the clamp plates, and clamp grooves are symmetrically formed on the inner sides of the lower ends of the clamp plates.

Furthermore, positioning holes are formed in the flat shell on two sides of the driving head.

Furthermore, a groove is formed in the driving head, and clamping columns are arranged on two sides of the outside of the driving head.

Further, the driving head is clamped through the gun changing head, a clamping block is installed in an inner hole of the gun changing head through a clamping spring, and the clamping block is matched with the groove of the driving head, so that the gun changing head can clamp the driving head.

Further, a push rod motor is installed on the gun changing head, a telescopic rod of the push rod motor is matched with a top column above the driving seat, and the top column is driven to enable the clamping jaw to clamp and place the hole plate.

Further, the card post of drive head is used for putting back the orifice plate clamping jaw on trading the stock, trade the stock and include the accommodation space that two blocks of curb plates formed, form the groove of bending on the curb plate, the groove width in groove of bending and card post phase-match, the cooperation of card post is in the inslot of bending, makes the orifice plate clamping jaw return to in accommodation space.

Further, a positioning block is arranged at the front end of the gun changing head and matched with a positioning hole of the driving head.

The beneficial effects of the invention are:

(1) The flat structure occupies less space, and the standardized card-shaped structure is convenient for replacing auxiliary products with different functions;

(2) The gripper can stably grip and release the 96-bit hole plate;

(3) The structure is ingenious, the installation is convenient, and the failure rate is low.

Drawings

FIG. 1 is a schematic diagram of the construction of an orifice plate jaw of the present invention;

FIG. 2 is a schematic view of the internal structure of the orifice plate jaws;

FIG. 3 is a schematic view showing a state of clamping an orifice plate;

FIG. 4 is a schematic structural diagram of a lance tip;

FIG. 5 is a cut-away schematic view of the lance tip;

figure 6 is a schematic view of the jaw being reset to the gun change station.

The reference numbers in the drawings are respectively:

1. a flat housing; 2, driving the head;

3. a head channel; 4, driving the seat;

5. a top pillar; 6, a head top block;

7. a guide post; a thrust spring;

9. a spring seat; 10, a support rod;

11. a channel; a clamping jaw;

13. a through groove; a pin;

15. a rotating shaft; a grip portion;

17. a spring is supported; 18, a spring bearing seat;

19. a splint; knurling 20;

21. a clamping groove; a hook portion;

23. changing the gun head; 24, a fixture block;

25. a groove; 26, positioning blocks;

27. positioning holes; 28, a telescopic rod;

29. replacing the gun seat; 30, side plates;

31. bending the groove; 32, clamping the column;

33. an orifice plate.

Detailed Description

Embodiments of the orifice plate clamp of the present invention are described in detail below with reference to the accompanying drawings.

Referring to the attached drawings 1 and 2, the orifice plate clamping jaw comprises a flat shell 1 and a driving head 2, the flat shell 1 forms a cavity, a head channel 3 is formed between the cavity and the driving head 2, a driving seat 4 is arranged in the cavity along the length direction, a jacking column 5 is arranged above the driving seat 4 and extends into the head channel 3, and a head jacking block 6 can be arranged above the driving seat and used for receiving jacking force.

Two ends of the driving seat 4 are in sliding fit with guide pillars 7 at two ends of the cavity, a thrust spring 8 is arranged between the top end of the top pillar 5 and the flat shell 1, spring seats 9 are arranged on two sides of the top pillar 5 of the driving seat 4, and the thrust spring 8 is arranged between the spring seats 9 and the flat shell 1 through a support rod 10.

All set up passageway 11 in the both sides of drive seat 4 symmetry in fore-set 5, the symmetry sets up clamping jaw 12 in passageway 11, and the slope upper portion of clamping jaw 12 sets up logical groove 13, and slope upper portion makes logical groove 13 cooperation on the round pin post 14 in passageway 11 in stretching into passageway 11, and the lower extreme of clamping jaw 12 is located cavity length direction's both ends position, and is rotatory through the pivot 15 cooperation of installing in flat casing 1, and the lower extreme stretches out the back from flat casing 1's below, forms tongs 16. A top spring 17 is provided below the inclined lower portion of the holding jaw 12, and a top spring seat 18 formed in the flat case 1 is located below the top spring 17.

Referring to fig. 3, clamping plates 19 are formed below the hand grips 16 at two ends of the flat shell 1, anti-slip knurls 20 are arranged on the inner sides of the clamping plates 19, clamping grooves 21 are symmetrically arranged on the inner sides of the lower ends of the clamping plates 19, and hook portions 22 can be formed at the lower ends of the clamping grooves 21, so that a pore plate or other consumables can be better clamped.

Referring to the attached drawings 4 and 5, the driving head part 2 is clamped through a gun changing head 23, the gun changing head 23 realizes the operation of the clamping jaw 12 through a push rod motor, a clamping block 24 is installed in an inner hole of the gun changing head 23 through a clamping spring, a groove 25 (referring to the attached drawing 1) is formed in the driving head part 2, the clamping block 24 is matched with the groove 25 of the driving head part 2, and the clamping of the driving head part 2 by the gun changing head 23 is realized.

A positioning block 26 is provided at the front end of the lance head 23, and positioning holes 27 are provided in the flat housing 1 on both sides of the drive head 2 (see fig. 1). The positioning block 26 cooperates with a positioning hole 27 of the drive head 2.

A push rod motor is arranged on the gun changing head 23, a telescopic rod 28 of the push rod motor is matched with the top column 5 above the driving seat 4, and the top column 5 is driven to enable the clamping jaw 12 to clamp and place the pore plate.

Referring to fig. 6, the gun change seat 29 of the jaws 12 is used for storing and replacing the jaws 12. The gun changing seat 29 comprises a containing space formed by two side plates 30, and a bending groove 31 is formed on the side plates 30. Correspondingly, the drive head 2 is provided on both sides with catch studs 32 on the outside (see fig. 1). The clamping column 32 of the driving head 2 is used for placing the orifice plate clamping jaw 12 back on the gun changing seat 29, the groove width of the bending groove 31 is matched with that of the clamping column 32, and the clamping column 32 is matched in the bending groove 31, so that the orifice plate clamping jaw 12 is returned to the accommodating space.

The orifice plate gripper 12 operates as follows: in an initial state, the clamping jaws 12 are hung on the gun changing seat 29, the gun changing head 23 is inserted into the driving head 2 of the clamping jaws 12 from the upper side in a matching mode, the positioning block 26 is positioned with the positioning hole 27, the clamping block 24 is pressed into the groove 25, and the clamping block 24 is automatically matched into the groove 25 under the action of the clamping spring. The head-changing head is lifted, the clamping jaw 12 is taken out from the gun-changing seat 29 along the path of the bending groove 31 and moved to the position where the pore plate is to be clamped, the push rod motor drives the telescopic rod 28 to press down the ejection column 5 of the driving head 2, the ejection column 5 drives the driving seat 4 to displace downwards, the clamping jaw 12 is rotated to drive the gripper to turn inwards, and under the action of the ejection spring 17, the clamping force of the gripper is kept, and the pore plate 33 is clamped.

The gun changing head 23 is moved to a working position, the telescopic rod 28 of the push rod motor is lifted, the driving seat 4 is reset upwards under the action of the thrust spring 8, the hand grip is turned outwards, and the pore plate is released.

After the clamping jaws 12 stop being used, the gun changing head 23 is moved to the gun changing seat 29, the clamping jaws 12 are placed in the gun changing seat 29, the clamping columns 32 are matched in the bending grooves 31 along the bending grooves 31, the gun changing head 23 is lifted, the clamping blocks 24 of the gun changing head 23 are lifted out of the grooves 25 under stress, and the clamping jaws 12 are separated from the gun changing head 23.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. An orifice plate clamping jaw, comprising: the improved pneumatic gripper comprises a flat shell and a driving head, wherein the flat shell forms a cavity, a head channel is formed between the cavity and the driving head, a driving seat is arranged in the cavity along the length direction, a top column is arranged above the driving seat and extends into the head channel, the two ends of the driving seat are in sliding fit with guide pillars at the two ends of the cavity, a thrust spring is arranged between the top end of the top column and the flat shell, the channels are arranged on the two sides of the driving seat, which are symmetrical to the top column, clamping jaws are symmetrically arranged in the channels, a through groove is arranged on the inclined upper portion of each clamping jaw, the inclined upper portion of each clamping jaw extends into the channels to enable the through groove to be matched with a pin column in the channels, the lower ends of the clamping jaws are located at the two ends of the cavity in the length direction, the clamping jaws are matched and rotate through rotating shafts mounted on the flat shell, and the lower ends of the clamping jaws are formed after extending out of the lower ends of the flat shell.

2. The orifice plate clamp jaw of claim 1, wherein: spring seats are arranged on two sides of the top column of the driving seat, and the thrust springs are arranged between the spring seats and the flat shell through supporting rods.

3. The orifice plate clamp jaw of claim 1, wherein: and a top spring is arranged below the inclined lower part of the clamping jaw, and a top spring seat formed in the flat shell is positioned below the top spring.

4. The orifice plate clamp jaw of claim 1, wherein: the tongs portion below formation splint of both ends position, the inboard of splint sets up anti-skidding annular knurl, and inboard at the lower extreme of splint, the symmetry sets up the clamp groove.

5. The orifice plate clamp jaw of claim 1, wherein: positioning holes are formed in the flat shell on two sides of the driving head.

6. The orifice plate clamp jaw of any one of claims 1 to 5, wherein: the driving head is internally provided with a groove, and two sides of the outside of the driving head are provided with clamping columns.

7. The orifice plate clamp jaw of claim 6, wherein: the driving head is clamped through the gun changing head, a clamping block is installed in an inner hole of the gun changing head through a clamping spring, and the clamping block is matched with the groove of the driving head, so that the gun changing head can clamp the driving head.

8. The orifice plate clamp jaw of claim 7, wherein: the ejector is characterized in that a push rod motor is installed on the ejector head, a telescopic rod of the push rod motor is matched with a top column above the driving seat, and the top column is driven to enable the clamping jaw to clamp and place the hole plate.

9. The orifice plate clamp jaw of claim 6, wherein: the clamping column of the driving head is used for placing the orifice plate clamping jaw back to the gun changing seat, the gun changing seat comprises a containing space formed by two side plates, a bending groove is formed in each side plate, the groove width of the bending groove is matched with the clamping column, and the clamping column is matched in the bending groove, so that the orifice plate clamping jaw returns to the containing space.

10. The orifice plate jaw of claim 7, wherein: the front end of the gun changing head is provided with a positioning block, and the positioning block is matched with a positioning hole of the driving head.

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