CN212044786U

CN212044786U - Volumetric flask clamping device

Info

Publication number: CN212044786U
Application number: CN202020670823.6U
Authority: CN
Inventors: 蔡永洪
Original assignee: GUANGZHOU INSTITUTE OF MEASURING AND TESTING TECHNOLOGY
Current assignee: GUANGZHOU INSTITUTE OF MEASURING AND TESTING TECHNOLOGY
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-12-01
Anticipated expiration: 2030-04-27

Abstract

The utility model belongs to the field of mechanical arms, and discloses a volumetric flask clamping device, which comprises a first clamping seat, a second clamping seat and a power driving piece, wherein the first clamping seat and the second clamping seat are rotationally connected, and are driven by the power driving piece to be close to each other; the clamping device comprises a first clamping seat, a second clamping seat, an elastic clamping piece, a clamping position and a clamping position, wherein the first clamping seat is provided with a first clamping part, the second clamping seat is provided with a second clamping part, the first clamping part and the second clamping part are fixedly provided with the elastic clamping piece, the first clamping part and the second clamping part are close to each other to form the clamping position, and the elastic clamping piece faces to the center position of the clamping position. The volumetric flask is clamped through the manipulator.

Description

Volumetric flask clamping device

Technical Field

The utility model belongs to the manipulator field, especially a device is got to volumetric flask clamp.

Background

In the past, manual operation is generally adopted during volumetric flask verification, namely the volumetric flask is taken and placed by hands, manual reading is carried out, the volumetric flask is verified, automatic verification becomes possible along with the development of mechanization and industrial intelligence, an automatic program is realized, and the use of a manipulator is very common.

But current manipulator can not be applicable to the clamp of volumetric flask and get, if simple link mechanism, directly press from both sides and get the volumetric flask, in case exert oneself too big then can damage the volumetric flask, like bionic manipulator again, because its joint is numerous, has configured multiple sensor, and it can reach intelligence and snatch, nevertheless, because manufacturing cost is expensive, has restricted its use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve prior art's shortcoming, provide a volumetric flask presss from both sides and gets device, realize that the volumetric flask passes through the manipulator clamp and gets.

The technical scheme is as follows:

the volumetric flask clamping device comprises a first clamping seat, a second clamping seat and a power driving part, wherein the first clamping seat is rotationally connected with the second clamping seat, and the first clamping seat and the second clamping seat are driven to be close to each other by the power driving part; the clamping device comprises a first clamping seat, a second clamping seat, an elastic clamping piece, a clamping position and a clamping position, wherein the first clamping seat is provided with a first clamping part, the second clamping seat is provided with a second clamping part, the first clamping part and the second clamping part are fixedly provided with the elastic clamping piece, the first clamping part and the second clamping part are close to each other to form the clamping position, and the elastic clamping piece faces to the center position of the clamping position.

The first clamping seat and the second clamping seat are rotationally connected, wherein the first clamping seat and the second clamping seat can be close to and away from each other by utilizing a power driving piece; when the first clamping part and the second clamping part are far away from each other, the bottleneck of the volumetric flask can be inserted between the first clamping part and the second clamping part; when being close to each other, form the centre gripping position through being close to between first clamping part and the second clamping part, the volumetric flask bottleneck centre gripping at this moment is on this centre gripping position. And the elastic clamping pieces are arranged on the first clamping part and the second clamping part, and the elastic clamping pieces are clamped on the bottleneck of the volumetric flask to clamp the volumetric flask, namely the volumetric flask is clamped. In addition, the shape of the elastic member can be changed, so that the elastic member is applicable to volumetric flasks of different sizes in use.

The elastic clamp piece comprises a spring piece, and the spring piece is arranged obliquely upwards along the direction of the bottle neck when the volumetric flask is clamped. When the volumetric flask receives gravity to have the trend of downstream, hold through the ascending spring leaf card of slant, prevent that the volumetric flask from gliding.

The spring piece surface is coated with a colloid material. The colloid material can prevent the spring leaf from being in hard contact with the volumetric flask and directly scratching the outer surface of the volumetric flask; furthermore, the rubber material can increase the friction force between the spring leaf and the volumetric flask.

Be on a parallel with the direction of getting the bottleneck when pressing from both sides the volumetric flask, be provided with the multirow the spring leaf, every row the spring leaf is provided with two at least the spring leaf. Because the bottleneck of volumetric flask is longer, so have certain stability when pressing from both sides in order to guarantee to press from both sides, so through multirow spring leaf, to volumetric flask bottleneck centre gripping. And every row of spring leaf is provided with two the spring leaf ensures along volumetric flask bottleneck direction, has certain cooperation length, prevents to take place to rock the condition. And for volumetric flask necks of different lengths, the matching position during clamping can be increased as much as possible.

The spring piece is provided with a bottom and working parts, each spring piece is provided with two parallel working parts, and the bottom is fixed on the first clamping part or the second clamping part. The spring plate is fixed to the first and second clamping parts by means of the base, wherein the two parallel working parts are in contact with the neck of the volumetric flask.

The cross section of the clamping position is a regular polygon with odd sides, and each row of the spring pieces are correspondingly arranged on the sides of the regular polygon. The regular polygon with odd sides can ensure that the row number of the spring pieces is odd, so that the stress of the bottleneck of the volumetric flask is balanced during clamping, and the mutual offset of the radial forces between the symmetrically arranged spring pieces is effectively avoided.

The power driving piece comprises an electromagnet and an armature, the electromagnet is installed on the first clamping seat, and the armature is installed on the second clamping seat. The rotation and locking action of the first rotating seat are controlled by controlling the adsorption action of the electromagnet and the armature through the electrification and the outage of the electromagnet.

The first clamping seat is provided with a bearing part protruding upwards, and the second clamping seat is rotatably connected with the bearing part. The second clamping seat comprises an adjusting piece and a main body piece, the second clamping part is located on the main body piece, one end of the adjusting piece is connected with the main body piece in a rotating mode, the other end of the adjusting piece is connected with the receiving part, the adjusting piece is clamped on the receiving part through a nail body, the tightness of the nail body is controlled in a screwing mode, and the adjusting piece is fixed or rotated on the receiving part. When using, through the regulating part with the control of second clamping part suitable position, ensure to put into the bottleneck of volumetric flask in opening the position, then will control the second clamping part through the electro-magnet and be close to first clamping part, press from both sides the bottleneck of tight volumetric flask. To different volumetric flasks, can reach the control and open the position through the position of regulating part in the accepting part, and then adapt to different volumetric flask bottlenecks.

The adjusting piece and the main body piece are connected through a spring hinge. Through the connection of spring hinge between regulating part and the main part, so after the regulating part has adjusted the position, the main part can be located with an open trend, when the volumetric flask is got to needs clamp, through the cooperation of electro-magnet and armature, gives a power to the main part, overcomes the power that this spring hinge provided, realizes that first clamping part is close to the second clamping part.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles, principles and effects of the invention.

Unless otherwise specified or defined, the same reference numerals in different figures refer to the same or similar features, and different reference numerals may be used for the same or similar features.

FIG. 1 is a schematic view of a vertical three-dimensional structure of an embodiment of the present invention;

fig. 2 is a schematic view of a horizontal three-dimensional structure of an embodiment of the present invention;

FIG. 3 is a schematic view of the open-time three-dimensional structure of the embodiment of the present invention;

fig. 4 is an exploded perspective view of an embodiment of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4 according to the embodiment of the present invention.

Description of reference numerals:

10. a first clamping seat; 11. a first clamping portion; 12. an elastic clamp; 121. a spring plate; 1211. a bottom; 1212. a working part; 13. a receiving part; 20. a second clamping seat; 21. a second clamping portion; 22. an adjustment member; 23. a main body member; 24. a spring hinge; 30. a powered drive member; 31. an electromagnet; 32. an armature.

Detailed Description

In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

Unless specifically stated or otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the case of combining the technical solution of the present invention with realistic scenarios, all technical and scientific terms used herein may also have meanings corresponding to the objects of realizing the technical solution of the present invention.

As used herein, unless otherwise specified or defined, "first" and "second" … are used merely for name differentiation and do not denote any particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.

As shown in fig. 1 to 3, the volumetric flask clamping device includes a first clamping seat 10, a second clamping seat 20 and a power driving member 30, wherein the first clamping seat 10 and the second clamping seat 20 are rotatably connected, and the first clamping seat 10 and the second clamping seat 20 are driven to approach each other by the power driving member 30; be provided with first clamping part 11 on the first grip slipper 10, be provided with second clamping part 21 on the second grip slipper 20, first clamping part 11 with equal fixed mounting has elastic clamping piece 12 on the second clamping part 21, first clamping part 11 with second clamping part 21 is close to mutually and forms the centre gripping position, elastic clamping piece 12 is towards the central point in centre gripping position puts.

The first gripper seat 10 and the second gripper seat 20 are rotatably connected, wherein they can be moved closer to and away from each other by means of a power drive 30; when the first clamping part 11 and the second clamping part 21 are far away from each other, the bottleneck of the volumetric flask can be inserted between the first clamping part 11 and the second clamping part 21; when they approach each other, the first clamping portion 11 and the second clamping portion 21 approach each other to form a clamping position, and the neck of the volumetric flask is clamped at the clamping position. The elastic clamping pieces 12 are arranged on the first clamping part 11 and the second clamping part 21, and the elastic clamping pieces 12 are elastically clamped on the bottleneck of the volumetric flask to complete clamping of the volumetric flask, namely clamping of the volumetric flask. In addition, the shape of the elastic member can be changed, so that the elastic member is applicable to volumetric flasks of different sizes in use.

As shown in fig. 3 to 5, the elastic clamp 12 includes a spring piece 121, and the spring piece 121 is disposed obliquely upward along a direction of gripping a bottle neck when the volumetric flask is gripped. When the volumetric flask has the trend of downward movement by gravity, hold through oblique ascending spring leaf 121, prevent that the volumetric flask from gliding.

Wherein, the surface of the spring leaf 121 is coated with a colloid material. The colloid material can prevent the spring leaf 121 from being in hard contact with the volumetric flask and directly scratching the outer surface of the volumetric flask; furthermore, the rubber material may increase the friction between the spring leaf 121 and the volumetric flask.

As shown in fig. 3 and 4, a plurality of rows of the spring pieces 121 are provided in parallel with a direction of gripping a bottle neck of a volumetric flask, and at least two spring pieces 121 are provided in each row of the spring pieces 121. Because the bottleneck of volumetric flask is longer, so have certain stability when pressing from both sides in order to guarantee to press from both sides, so through multirow spring leaf 121, to volumetric flask bottleneck centre gripping. Moreover, each row of spring pieces 121 is provided with two spring pieces 121, so that a certain matching length is ensured along the bottleneck direction of the volumetric flask, and the shaking condition is prevented. And for volumetric flask necks of different lengths, the matching position during clamping can be increased as much as possible.

As shown in fig. 5, each spring plate 121 has a bottom 1211 and two working portions 1212, the bottom 1211 is fixed on the first clamping portion 11 or the second clamping portion 21, and each spring plate 121 has two parallel working portions 1212. The spring leaf 121 is fixed to the first clamping part 11 and the second clamping part 21 by means of the bottom 1211, wherein the two parallel working parts 1212 come into contact with the neck of the volumetric flask.

As shown in fig. 2, the cross section of the clamping position is a regular polygon with odd number of sides, and each row of the spring pieces 121 is correspondingly arranged on the sides of the regular polygon. The regular polygon with odd sides can ensure that the row number of the spring pieces 121 is odd, so that the stress of the bottleneck of the volumetric flask is balanced during clamping, and the mutual offset of the radial forces between the symmetrically arranged spring pieces 121 is effectively avoided.

As shown in fig. 2 to 4, the power driving member 30 includes an electromagnet 31 and an armature 32, the electromagnet 31 is mounted on the first holder 10, and the armature 32 is mounted on the second holder 20. The rotation and locking of the first rotary seat are controlled by controlling the adsorption of the electromagnet 31 and the armature 32 through the electrification and the outage of the electromagnet 31.

As shown in fig. 2 to 4, the first clamping seat 10 is provided with a receiving portion 13 protruding upward, and the second clamping seat 20 is rotatably connected to the receiving portion 13. The second clamping seat 20 comprises an adjusting piece 22 and a main body piece 23, the second clamping part 21 is located on the main body piece 23, one end of the adjusting piece 22 is rotatably connected with the main body piece 23, the other end of the adjusting piece 22 is connected with the receiving part 13, the adjusting piece 22 is clamped on the receiving part 13 through a nail body, and the tightness of the nail body is screwed to control the adjusting piece 22 to be fixed or rotated on the receiving part 13. When the device is used, the second clamping part 21 is controlled to a proper position through the adjusting piece 22, the bottleneck of the volumetric flask can be placed in an opening position, and then the second clamping part 21 is controlled to be close to the first clamping part 11 through the electromagnet 31, so that the bottleneck of the volumetric flask is clamped. For different volumetric flasks, the opening position can be controlled by the position of the adjusting part 22 on the receiving part 13, so as to adapt to different volumetric flask necks.

As shown in fig. 3 and 4, the adjusting member 22 and the main body member 23 are connected by a spring hinge 24. The adjusting member 22 and the main body member 23 are connected by the spring hinge 24, so that after the adjusting member 22 is adjusted to a position, the main body member 23 can be opened, when the volumetric flask needs to be gripped, a force is given to the main body member 23 by the cooperation of the electromagnet 31 and the armature 32, and the approach of the first clamping part 11 to the second clamping part 21 is realized by overcoming the force provided by the spring hinge 24.

When the drawing description is quoted, the new characteristics are explained; in order to avoid that repeated reference to the drawings results in an insufficiently concise description, the drawings are not referred to one by one in the case of clear description of the already described features.

The above embodiments are intended to be illustrative, and should not be construed as limiting the scope of the invention, and the technical solutions, objects and effects of the present invention are described in full herein.

The above examples are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.

Claims

1. The volumetric flask clamping device is characterized by comprising a first clamping seat, a second clamping seat and a power driving part, wherein the first clamping seat is rotationally connected with the second clamping seat, and the first clamping seat and the second clamping seat are driven to be close to each other by the power driving part;

the clamping device comprises a first clamping seat, a second clamping seat, an elastic clamping piece, a clamping position and a clamping position, wherein the first clamping seat is provided with a first clamping part, the second clamping seat is provided with a second clamping part, the first clamping part and the second clamping part are fixedly provided with the elastic clamping piece, the first clamping part and the second clamping part are close to each other to form the clamping position, and the elastic clamping piece faces to the center position of the clamping position.

2. The device as claimed in claim 1, wherein the resilient clamp member includes a spring plate, and the spring plate is disposed in an inclined upward direction along a direction of the neck of the volumetric flask when the volumetric flask is clamped.

3. The device as claimed in claim 2, wherein the spring plate is coated with a rubber material.

4. The device for gripping a volumetric flask as set forth in claim 2, wherein a plurality of rows of said spring pieces are provided in parallel with a direction of a neck of the volumetric flask when gripping the volumetric flask, and each row of said spring pieces is provided with at least two of said spring pieces.

5. The device for clamping volumetric flask as defined in claim 4, wherein said spring plate has a bottom portion and a working portion, each of said spring plates is provided with two parallel working portions, and said bottom portion is fixed to said first clamping portion or said second clamping portion.

6. The device for clamping volumetric flask as claimed in claim 4, wherein the cross section of the clamping position is a regular polygon with odd number of sides, and each row of the spring pieces is correspondingly arranged on the side of the regular polygon.

7. The volumetric flask clamping device as recited in any one of claims 1 to 6, wherein the power driving member comprises an electromagnet and an armature, the electromagnet is mounted on the first clamping seat, and the armature is mounted on the second clamping seat.

8. The device for taking up volumetric flask as defined in any one of claims 1 to 6, wherein the first holder is provided with a receiving portion protruding upward, and the second holder is rotatably connected to the receiving portion.

9. The device for clamping volumetric flask as recited in claim 8, wherein the second clamping seat comprises an adjusting member and a main member, the second clamping portion is located on the main member, one end of the adjusting member is rotatably connected with the main member, the other end of the adjusting member is connected with the receiving portion, the adjusting member is clamped on the receiving portion through a nail body, and the tightness of screwing the nail body controls the adjusting member to be fixed or rotated on the receiving portion.

10. The device as recited in claim 9 wherein said adjustment member and said body member are connected by a spring hinge.