CN214010894U

CN214010894U - Compression clamp of testing machine

Info

Publication number: CN214010894U
Application number: CN202023268580.2U
Authority: CN
Inventors: 尹业进; 黄炜程; 姬兵亮; 黄军荣; 黄滨
Original assignee: Zhongjia Guangdong Engineering Testing Co ltd
Current assignee: Zhongjia Guangdong Engineering Testing Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-20
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a compression clamp of a testing machine, which relates to the technical field of compression clamps and comprises a hollow rod, wherein the inner part of the hollow rod is connected with a supporting tooth rod in a sliding way, the surface of the hollow rod is sleeved with four fixed frames, the surface of the hollow rod is connected with four sliding frames in a sliding way, the surface of the hollow rod is provided with a gear groove in an equal interval way, the inner walls of the front side and the rear side of the gear groove are fixedly connected through a supporting rod in an equal interval way, the surface of the supporting tooth rod is sleeved with a gear, the surface of the supporting tooth rod is meshed with the inner walls of the four sliding frames through the gear, the bottom of the supporting tooth rod is movably connected with the bottom of the inner wall of the hollow rod through a spring, an object is placed at the top of the supporting tooth rod, the gravity of the object can press the supporting tooth rod to slide downwards, thereby controlling the four mechanical arms to shrink through the gear, the four mechanical arms can simultaneously clamp the object, and can carry out position calibration on the object when clamping the object, so that the device can be positioned at the central position to be more convenient for subsequent processing.

Description

Compression clamp of testing machine

Technical Field

The utility model relates to a compression anchor clamps technical field specifically is a testing machine compression anchor clamps.

Background

The CN2013204373897 patent document improves the problem of inconvenient use, but this design cannot effectively position the object, so the object needs to be manually adjusted before clamping operation, and the old equipment cannot increase the clamping force of the clamp when being pressed, which is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a testing machine compression anchor clamps to inconvenient when the compression carries out the problem of pressing from both sides tightly among the solution above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a compression clamp of a testing machine comprises a hollow rod, wherein a supporting tooth rod is slidably connected inside the hollow rod, a four-item fixing frame is sleeved on the surface of the hollow rod, four sliding frames are slidably connected on the surface of the hollow rod, gear grooves are formed in the surface of the hollow rod at equal intervals, the inner walls of the front side and the rear side of each gear groove are fixedly connected through supporting rods at equal intervals, gears are sleeved on the surfaces of the supporting rods, the surface of the supporting tooth rod is meshed with the inner walls of the four sliding frames through the gears, the bottom of the supporting tooth rod is movably connected with the bottom of the inner wall of the hollow rod through springs, rotating shafts A are sleeved on the four side surfaces of the four sliding frames, connecting rods A are sleeved on the surface of the rotating shafts A, connecting rods B are sleeved on the four side surfaces of the four fixing frames, and are movably connected with the connecting rods A through the rotating shafts B, the other end of connecting rod A has the arm through pivot C swing joint, the spout has been seted up on the surface of arm, the inside sliding connection of spout has the slide bar, the other end of connecting rod B cup joints with the surface of slide bar.

Optionally, the diameters of the sliding rod, the rotating shaft a, the rotating shaft B and the rotating shaft C are the same, and the sliding rod and the rotating shaft a are located on the same horizontal line.

Optionally, the length of the connecting rod a is the same as that of the connecting rod B, and the inclination angle of the connecting rod a is the same as that of the connecting rod B.

Optionally, the number of the mechanical arms is four, and clamping pads are fixedly mounted on the opposite sides of the four mechanical arms.

Optionally, the inner wall of the sliding groove and the surface of the sliding rod are both in a polished design, and the width of the inner wall of the sliding groove is the same as the diameter of the sliding rod.

Optionally, the width of the inner wall of the hollow rod is the same as the diameter of the support tooth rod, and the inner wall of the hollow rod and the surface of the support tooth rod are both in a polishing design.

The utility model discloses a technological effect and advantage:

(1) the article is placed at the top of the supporting tooth rod, the gravity of the article can press down the supporting tooth rod to slide down, so that the four mechanical arms can be controlled to contract through the gear, the four mechanical arms can simultaneously clamp the article, the position of the article can be calibrated when the article is clamped, and the article can be located at the center position to facilitate subsequent processing and the like.

(2) When top equipment applys pressure to the article top, the article can promote to support tooth pole and continue to produce thrust downwards, when producing thrust, four arms then can produce stronger tight dynamics of clamp because of the gear's the reason to can be better press from both sides tight operation at the pressurized in-process, during the rebound article, equipment can reset because of the spring's the reason.

Drawings

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

FIG. 2 is a perspective view of the four sliding frames of the present invention;

fig. 3 is a perspective view of the robot arm according to the structural schematic diagram of the present invention.

In the figure: the four-shaft type mechanical arm comprises four fixing frames, namely a hollow rod 1, a supporting rod 2, a gear 3, a tooth supporting rod 4, a sliding frame 5, a mechanical arm 6, a rotating shaft A7, a sliding rod 8, a connecting rod A9, a sliding chute 10, a rotating shaft B11, a connecting rod B12, a rotating shaft C13, a spring 14, a gear groove 15 and a fixing frame 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a compression clamp of a testing machine as shown in figures 1-3, which comprises a hollow rod 1, wherein the hollow rod 1 is connected with a supporting tooth rod 4 in a sliding way, the surface of the hollow rod 1 is sleeved with four fixed frames 16, the surface of the hollow rod 1 is connected with four sliding frames 5 in a sliding way, the width of the inner wall of the hollow rod 1 is the same as the diameter of the supporting tooth rod 4, the inner wall of the hollow rod 1 and the surface of the supporting tooth rod 4 are both in a polishing design, the design can ensure that the sliding process is smoother and no jamming occurs, the surface of the hollow rod 1 is provided with gear grooves 15 at equal intervals, the inner walls at the front side and the rear side of the gear grooves 15 are fixedly connected through supporting rods 2 at equal intervals, the surface of the supporting rods 2 is sleeved with a gear 3, the surface of the supporting tooth rod 4 is engaged with the inner walls of the four sliding frames 5 through the gear 3, the bottom of the supporting tooth rod 4 is movably connected with the bottom of the inner wall of the hollow rod 1 through a spring 14, the four side surfaces of the four sliding frames 5 are all sleeved with a rotating shaft A7, the surface of the rotating shaft A7 is sleeved with a connecting rod A9, the four side surfaces of the four fixed frames 16 are all sleeved with a connecting rod B12, the connecting rod B12 is movably connected with a connecting rod A9 through a rotating shaft B11, the lengths of the connecting rod A9 and the connecting rod B12 are the same, the inclined angles of the connecting rod A9 and the connecting rod B12 are the same, the design can enable the connecting rod B12 to be capable of being extended and retracted in parallel so as to be more convenient to use, the other end of the connecting rod A9 is movably connected with a mechanical arm 6 through a rotating shaft C13, the number of the mechanical arms 6 is four, clamping pads are fixedly mounted on the opposite sides of the four mechanical arms 6, the design can enable the four sliding arms to be clamped, the positions of the mechanical arms can be adjusted in the clamping process, the surface of the mechanical arm 6 is provided with a sliding groove 10, the inner wall of the sliding groove 10 and the surface of the sliding rod 8 are both in a polished design, and the width of the inner wall of the sliding groove 10 is the same as the diameter of the sliding rod 8, the inside sliding connection of spout 10 has slide bar 8, and slide bar 8, pivot A7, pivot B11 and pivot C13 diameter are the same, and slide bar 8 and pivot A7 lie in same water flat line, and this design can make its operation process more reasonable, and the other end of connecting rod B12 cup joints with the surface of slide bar 8.

This practical theory of operation: place the article on the top of supporting tooth pole 4, its gravity can promote to support tooth pole 4 and slide downwards, support tooth pole 4 can mesh four sliding frames 5 of gear 3 control and carry out reverse slip, thereby four sliding frames 5 control connecting rod A9 through pivot A7 and incline, connecting rod A9 can control connecting rod B12 through pivot B11 and carry out the linkage, the other end of connecting rod A9 and connecting rod B12 can promote arm 6 through pivot C13 and slide bar 8 respectively and accomodate, thereby four arms 6 can be close to and press from both sides the article that supports tooth pole 4 top towards the direction that supports tooth pole 4.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a testing machine compression anchor clamps, includes hollow rod (1), its characterized in that: the hollow rod comprises a hollow rod (1), a supporting tooth rod (4) is connected to the inside of the hollow rod (1) in a sliding mode, four fixing frames (16) are sleeved on the surface of the hollow rod (1), four sliding frames (5) are connected to the surface of the hollow rod (1) in a sliding mode, gear grooves (15) are formed in the surface of the hollow rod (1) at equal intervals, inner walls of the front side and the rear side of each gear groove (15) are fixedly connected through supporting rods (2) at equal intervals, gears (3) are sleeved on the surface of each supporting rod (2), the surface of each supporting tooth rod (4) is meshed with the inner walls of the four sliding frames (5) through the gears (3), the bottom of each supporting tooth rod (4) is movably connected with the bottom of the inner wall of the hollow rod (1) through springs (14), rotating shafts A (7) are sleeved on the four side surfaces of the four sliding frames (5), and connecting rods A (9) are sleeved on the surface of the rotating shafts, four side surfaces of four fixed frames (16) are all sleeved with connecting rods B (12), the connecting rods B (12) are movably connected with connecting rods A (9) through rotating shafts B (11), the other ends of the connecting rods A (9) are movably connected with mechanical arms (6) through rotating shafts C (13), sliding grooves (10) are formed in the surfaces of the mechanical arms (6), sliding rods (8) are slidably connected to the inner portions of the sliding grooves (10), and the other ends of the connecting rods B (12) are sleeved with the surfaces of the sliding rods (8).

2. The compression clamp of the testing machine according to claim 1, wherein: the diameters of the sliding rod (8), the rotating shaft A (7), the rotating shaft B (11) and the rotating shaft C (13) are the same, and the sliding rod (8) and the rotating shaft A (7) are located on the same horizontal line.

3. The compression clamp of the testing machine according to claim 1, wherein: the length of the connecting rod A (9) is the same as that of the connecting rod B (12), and the inclination angles of the connecting rod A (9) and the connecting rod B (12) are the same.

4. The compression clamp of the testing machine according to claim 1, wherein: the number of the mechanical arms (6) is four, and clamping pads are fixedly mounted on the opposite sides of the four mechanical arms (6).

5. The compression clamp of the testing machine according to claim 1, wherein: the inner wall of the sliding groove (10) and the surface of the sliding rod (8) are both in polished design, and the width of the inner wall of the sliding groove (10) is the same as the diameter of the sliding rod (8).

6. The compression clamp of the testing machine according to claim 1, wherein: the width of the inner wall of the hollow rod (1) is the same as the diameter of the supporting tooth rod (4), and the inner wall of the hollow rod (1) and the surface of the supporting tooth rod (4) are both in polishing design.