CN215832840U

CN215832840U - Clamping device for precision weight

Info

Publication number: CN215832840U
Application number: CN202121989496.1U
Authority: CN
Inventors: 姚文辉; 姚文燕; 高银
Original assignee: Nanjing Weidu Intelligent Technology Co ltd
Current assignee: Nanjing Weidu Intelligent Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-15
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a clamping device for precision weights, which comprises a fixing frame and a weight body, wherein the top of the fixing frame is fixedly connected with a fixing sleeve, a top clamping mechanism is arranged inside the fixing sleeve, fixing rods are symmetrically arranged inside the fixing frame, the surface of each fixing rod is symmetrically and rotatably connected with an upper rotating rod and a lower rotating rod, chutes are symmetrically arranged inside the fixing frame, sliding rods are arranged inside the chutes, the sliding rods are fixedly connected with the fixing frame, the surface of each sliding rod is symmetrically and slidably connected with a transverse rod, one transverse rod is rotatably connected with two lower rotating rods, the other transverse rod is rotatably connected with two upper rotating rods, and one side, opposite to the two transverse rods, is symmetrically and fixedly connected with a bottom chuck: through the top fixture who sets up, can realize fixed to the centre gripping at weight top, through the bottom chuck that sets up, a motor, go up the rotation pole, go down rotation pole and horizontal pole, can realize fixed to the centre gripping of weight bottom.

Description

Clamping device for precision weight

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a clamping device for a precision weight.

Background

In modern mass measurement, the weight is a standard measuring tool for mass value transmission, the mass value takes a platinum-iridium alloy kilogram original device material object stored in the French International Bureau of measurement as a unique reference device, the weight is divided into a national kilogram reference, a national kilogram auxiliary reference and a kilogram working reference in each country, a working reference group consisting of times and weight of kilogram and all other working standard weights, a clamping device is needed when the weight is used, and the existing clamping device for the weight is unstable in weight fixation and easy to fall off in the clamping process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping device for a precision weight, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a clamping device for accurate weight, includes fixed frame and weight body, the fixed cover of fixed frame top fixedly connected with, the inside top fixture that is equipped with of fixed cover, the inside symmetry of fixed frame is equipped with the dead lever, the rotation of fixed pole surface symmetry is connected with upper rotating rod and lower rotating rod, the inside symmetry of fixed frame is equipped with the spout, the inside slide bar that is equipped with of spout, slide bar and fixed frame fixed connection, slide bar surface symmetry sliding connection has the horizontal pole, and one of them horizontal pole rotates with two lower rotating rods to be connected, and another horizontal pole rotates with two upper rotating rods to be connected, two the relative one side symmetry fixedly connected with bottom chuck of horizontal pole.

Preferably, the method comprises the following steps: one side of the fixing frame is provided with a motor, the output end of the motor is fixedly connected with a rotating shaft, one end, far away from the motor, of the rotating shaft is fixedly connected with a driving bevel gear, and the surface of the driving bevel gear is symmetrically meshed with a first driven bevel gear and a second driven bevel gear.

Preferably, the method comprises the following steps: the first driven bevel gear and the second driven bevel gear are in rotating connection with one of the fixing rods, and the first driven bevel gear and one of the upper rotating rod and the second driven bevel gear and one of the lower rotating rod are in fixed connection.

Preferably, the method comprises the following steps: the top fixture includes No. two motors, No. two motors are located fixed cover one side and set up, No. two motor output end fixedly connected with two-way lead screw, two-way lead screw rotates with fixed cover to be connected, two-way lead screw surface symmetry threaded connection has the internal thread piece, internal thread piece bottom fixedly connected with connecting rod, connecting rod bottom fixedly connected with top chuck.

Preferably, the method comprises the following steps: the fixed cover top is equipped with control switch, control switch and a motor and No. two motors are electric connection.

Preferably, the method comprises the following steps: and wear-resistant pads are arranged on one side opposite to the bottom chuck and one side opposite to the two top chucks.

Compared with the prior art, the utility model has the beneficial effects that: the top clamping mechanism can clamp and fix the top of the weight; through the bottom chuck, a motor, the upper rotating rod, the lower rotating rod and the cross rod which are arranged, the bottom of the weight can be clamped and fixed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic top view of the fixing frame of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a.

In the figure: 1. a fixing frame; 2. a top clamping mechanism; 21. a second motor; 22. a bidirectional screw rod; 23. an internal thread block; 24. a connecting rod; 25. a top clamp; 3. a first motor; 4. a rotating shaft; 5. a drive bevel gear; 6. a first driven bevel gear; 7. a second driven bevel gear; 8. fixing the rod; 9. rotating the rotating rod upwards; 10. rotating the rod downwards; 11. a cross bar; 12. a bottom chuck; 13. a slide bar; 14. a chute; 15. a wear pad; 16. fixing a sleeve; 17. a control switch; 18. the weight body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a clamping device for precision weights comprises a fixed frame 1 and a weight body 18, the top of the fixed frame 1 is fixedly connected with a fixed sleeve 16, a top clamping mechanism 2 is arranged inside the fixed sleeve 16, fixed rods 8 are symmetrically arranged inside the fixed frame 1, the surfaces of the fixed rods 8 are symmetrically and rotatably connected with an upper rotating rod 9 and a lower rotating rod 10, chutes 14 are symmetrically arranged inside the fixed frame 1, slide rods 13 are arranged inside the chutes 14, the slide rods 13 are fixedly connected with the fixed frame 1, the surfaces of the slide rods 13 are symmetrically and slidably connected with cross rods 11, one of the cross rods 11 is rotatably connected with the two lower rotating rods 10, the other cross rod 11 is rotatably connected with the two upper rotating rods 9, one side, opposite to the two cross rods 11, is symmetrically and fixedly connected with a bottom chuck 12, when in use, the handheld fixing device is sleeved outside the weight body 18 firstly, the top of a weight is clamped through the top clamping mechanism 2, and then the upper rotating rod 9 and the lower rotating rod 10 through operation, drive two horizontal pole 11 relative motion to it is fixed to drive bottom chuck 12 to carry out the centre gripping to weight body 18 bottom, through dual centre gripping, can make the centre gripping of weight more stable, prevents to take place to drop.

Fixed frame 1 one side is equipped with a motor 3, a motor 3 output end fixedly connected with pivot 4, the one end fixedly connected with drive bevel gear 5 of a motor 3 is kept away from to pivot 4, drive bevel gear 5 surface symmetry meshing is connected with first driven bevel gear 6 and second driven bevel gear 7, in operation, start a motor 3, a motor 3 drives pivot 4 and rotates, pivot 4 drives drive bevel gear 5 and rotates, drive bevel gear 5 drives first driven bevel gear 6 and second driven bevel gear 7 antiport.

First driven bevel gear 6 and second driven bevel gear 7 are rotation connection with one of them dead lever 8, and first driven bevel gear 6 is fixed connection with one of them last rotation pole 9 and second driven bevel gear 7 and one of them lower rotation pole 10, thereby first driven bevel gear 6 and second driven bevel gear 7 antiport drive lower rotation pole 10 and last rotation pole 9 antiport.

Top fixture 2 includes No. two motors 21, No. two motors 21 are located fixed cover 16 one side and set up, No. two-way lead screw 22 of motor 21 output end fixedly connected with, two-way lead screw 22 rotates with fixed cover 16 to be connected, two-way lead screw 22 surface symmetry threaded connection has interior thread piece 23, interior thread piece 23 bottom fixedly connected with connecting rod 24, connecting rod 24 bottom fixedly connected with top chuck 25, in operation, start No. two motors 21, No. two motors 21 drive two-way lead screw 22 and rotate, two-way lead screw 22 drives interior thread piece 23 relative motion, interior thread piece 23 drives top chuck 25 through connecting rod 24 and carries out the centre gripping to weight body 18 top fixedly.

Fixed cover 16 top is equipped with control switch 17, and control switch 17 and No. 3 motors and No. two motors 21 are electric connection, control through control switch 17, improve work efficiency.

One side that two bottom chucks 12 are relative all is equipped with wear pad 15 with two top chucks 25 one side relative, prevents that bottom chuck 12 and top chuck 25 from wearing and tearing the weight when the centre gripping, influencing the standard degree of weight.

Specifically, during the use, handheld fixing device cover is outside weight body 18 earlier, start No. two motor 21, No. two motor 21 drive two-way lead screw 22 and rotate, two-way lead screw 22 drives internal thread piece 23 relative motion, internal thread piece 23 drives top chuck 25 through connecting rod 24 and carries out the centre gripping to weight body 18 top fixedly, restart No. one motor 3, a motor 3 drives pivot 4 and rotates, pivot 4 drives the rotation of drive bevel gear 5, drive bevel gear 5 drives first driven bevel gear 6 and the 7 antiport of second driven bevel gear, thereby drive lower transfer rod 10 and the 9 antiport of last transfer rod, drive two horizontal pole 11 relative motion again, thereby it is fixed to drive bottom chuck 12 to carry out the centre gripping to weight body 18 bottom, through dual centre gripping, can make the centre gripping of weight more stable, prevent to take place to drop.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamping device for precision weight, includes fixed frame (1) and weight body (18), its characterized in that, fixed frame (1) top fixedly connected with fixed cover (16), fixed cover (16) inside is equipped with top fixture (2), fixed frame (1) inside symmetry is equipped with dead lever (8), dead lever (8) surface symmetry rotation is connected with last rotation pole (9) and lower rotation pole (10), fixed frame (1) inside symmetry is equipped with spout (14), spout (14) inside is equipped with slide bar (13), slide bar (13) and fixed frame (1) fixed connection, slide bar (13) surface symmetry sliding connection has horizontal pole (11), and one of them horizontal pole (11) rotates with two lower rotation poles (10) to be connected, and another horizontal pole (11) rotates with two last rotation poles (9) to be connected, and one opposite sides of the two cross rods (11) are symmetrically and fixedly connected with bottom chucks (12).

2. The clamping device for the precision weight as recited in claim 1, wherein: the motor (3) is arranged on one side of the fixing frame (1), the rotating shaft (4) is fixedly connected with the output end of the motor (3), the rotating shaft (4) is far away from the driving bevel gear (5) fixedly connected with one end of the motor (3), and the driving bevel gear (5) is symmetrically meshed with the first driven bevel gear (6) and the second driven bevel gear (7) in the surface.

3. The clamping device for the precision weight as recited in claim 2, wherein: the first driven bevel gear (6) and the second driven bevel gear (7) are in rotating connection with one of the fixing rods (8), and the first driven bevel gear (6) is in fixed connection with one of the upper rotating rod (9) and the second driven bevel gear (7) and one of the lower rotating rod (10).

4. The clamping device for the precision weight as recited in claim 3, wherein: top fixture (2) are including No. two motor (21), No. two motor (21) are located fixed cover (16) one side and set up, No. two motor (21) output end fixedly connected with two-way lead screw (22), two-way lead screw (22) rotate with fixed cover (16) and are connected, two-way lead screw (22) surface symmetry threaded connection has interior thread piece (23), interior thread piece (23) bottom fixedly connected with connecting rod (24), connecting rod (24) bottom fixedly connected with top chuck (25).

5. The clamping device for the precision weight as recited in claim 4, wherein: fixed cover (16) top is equipped with control switch (17), control switch (17) and a motor (3) and No. two motor (21) are electric connection.

6. The clamping device for the precision weight as recited in claim 5, wherein: and wear-resistant pads (15) are arranged on one side opposite to the two bottom chucks (12) and one side opposite to the two top chucks (25).