CN216991479U

CN216991479U - Explosion-proof caliper double-crank component

Info

Publication number: CN216991479U
Application number: CN202220819996.9U
Authority: CN
Inventors: 王磊; 马海波; 王教辉; 赵昌丽
Original assignee: Hefei Changjiang Automation Engineering Co ltd
Current assignee: Hefei Changjiang Automation Engineering Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-19
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a double-crank component of explosion-proof calipers, which belongs to the technical field of calipers and comprises a clamping table, wherein a cavity is formed in the clamping table, an air cylinder is arranged in the cavity, a movable plate is fixedly connected to one end of the air cylinder, a hinge rod is hinged to the surface of one side of the movable plate, two groups of double-crank mechanisms are arranged at one end of the hinge rod, an arc-shaped groove is formed in the upper surface of the clamping table, a support rod is arranged in the arc-shaped groove, and a clamping block is fixedly connected to the upper end of the support rod. The restriction of calliper self has been reduced, has improved the adaptability to the work piece, secondly has improved the stability of calliper, consequently can not cause the fixture block dislocation of calliper and lead to the work piece landing when the circular workpiece of centre gripping, has improved the practicality of calliper.

Description

Explosion-proof caliper double-crank component

Technical Field

The utility model relates to an explosion-proof caliper double-crank component, and belongs to the technical field of calipers.

Background

Caliper is the clamping chucking device of clamping commonly used in machining, nevertheless calliper among the prior art has certain defect. Current calliper receives the restriction of self to adaptability to the work piece is not strong, when calliper centre gripping to round work piece, can appear the work piece landing often or the fixture block of calliper misplaces each other, has consequently reduced the stable form of calliper, and makes the practicality of calliper reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide an explosion-proof caliper double-crank component, which reduces the restriction of calipers, improves the adaptability to workpieces, and improves the stability of the calipers, so that the clamping blocks of the calipers cannot be dislocated to cause the workpieces to slide off when clamping round workpieces, and the practicability of the calipers is improved.

The utility model realizes the purpose through the following technical scheme, and the double-crank component of the anti-explosion caliper comprises a clamping table, wherein a cavity is formed in the clamping table, an air cylinder is arranged in the cavity, one end of the air cylinder is fixedly connected with a movable plate, a hinge rod is hinged to one side surface of the movable plate, two groups of double-crank mechanisms are arranged at one end of the hinge rod, an arc-shaped groove is formed in the upper surface of the clamping table, a support rod is arranged in the arc-shaped groove, and a clamping block is fixedly connected to the upper end of the support rod.

Preferably, the double-crank mechanism comprises a long crank and a short crank, the long crank and the short crank are hinged to each other, one end of the hinged rod is hinged to the upper surface of the long crank through a connecting plate, and the lower end of the supporting rod is fixedly connected with the upper surface of the short crank.

Preferably, a sliding groove is formed in the middle of each two groups of double-crank mechanisms, a sliding block is connected to the inside of the sliding groove in a sliding mode, and the upper surface of the sliding block is fixedly connected with the lower surface of the moving plate.

Preferably, the inner side wall of the clamping block is fixedly connected with a rubber pad, and teeth are formed in the inner side surface of the rubber pad.

The beneficial effects of the utility model are: according to the utility model, the long crank and the short crank in the double-crank mechanism arranged at one end of the hinge rod are matched with the support rod in the arc-shaped groove formed in the upper surface of the clamping table, so that the limitation of the calipers is reduced, the adaptability to a workpiece is improved, the stability of the calipers is improved, therefore, the workpiece cannot slide down due to the dislocation of clamping blocks of the calipers when a circular workpiece is clamped, and the practicability of the calipers is improved.

Drawings

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

fig. 2 is a schematic view of the internal structure of the cavity in the present invention.

In the figure: the device comprises a clamping table 1, an arc-shaped groove 2, a clamping block 3, a rubber pad 4, teeth 5, a cavity 6, a long crank 7, a connecting plate 8, a hinge rod 9, a moving plate 10, an air cylinder 11, a sliding block 12, a sliding groove 13, a short crank 14 and a supporting rod 15.

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. 1-2, the double-crank member for the anti-explosion calipers comprises a clamping table 1, a cavity 6 is formed in the clamping table 1, an air cylinder 11 is arranged in the cavity 6, a moving plate 10 is fixedly connected to one end of the air cylinder 11, a hinge rod 9 is hinged to one side surface of the moving plate 10, two groups of double-crank mechanisms are arranged at one end of the hinge rod 9, an arc-shaped groove 2 is formed in the upper surface of the clamping table 1, a supporting rod 15 is arranged in the arc-shaped groove 2, and a clamping block 3 is fixedly connected to the upper end of the supporting rod 15.

As a technical optimization scheme of the utility model, the double-crank mechanism comprises a long crank 7 and a short crank 14, the long crank 7 and the short crank 14 are hinged with each other, one end of a hinged rod 9 is hinged with the upper surface of the long crank 7 through a connecting plate 8, the lower end of a supporting rod 15 is fixedly connected with the upper surface of the short crank 14, the long crank 7 and the short crank 14 can be mutually supported when the fixture block 3 clamps a workpiece through mutual matching of the long crank 7 and the long crank 17 in the double-crank mechanism, and therefore the stability of the fixture block 3 for clamping the workpiece is improved.

As a technical optimization scheme of the utility model, a sliding groove 13 is arranged between the two sets of double-crank mechanisms, a sliding block 12 is connected in the sliding groove 13 in a sliding manner, the upper surface of the sliding block 12 is fixedly connected with the lower surface of the moving plate 10, the moving plate 10 can be supported by the sliding block 12 in the sliding groove 13, and meanwhile, the stability of the moving plate 10 in operation can be ensured, and the moving plate 10 is prevented from being stuck.

According to the technical optimization scheme, the rubber pad 4 is fixedly connected to the inner side wall of the fixture block 3, the teeth 5 are formed in the inner side surface of the rubber pad 4, the workpiece can be protected when the fixture block 3 clamps the workpiece through the rubber pad 4, the workpiece is prevented from being damaged, and the friction force between the rubber pad 4 and the workpiece can be improved through the teeth 5, so that the workpiece is prevented from sliding off.

When the clamping device is used, a workpiece is placed between the clamping blocks 3, then the air cylinder 11 in the cavity 6 is started, so that the air cylinder 11 can push the moving plate 10 to move, the moving plate 10 can push the long crank 7 and the short crank 14 in the double-crank mechanism to move through the hinged rod 9, the long crank 7 and the short crank 14 can form a parallelogram, and the short crank 14 can drive the supporting rod 15 to move along the arc-shaped groove 2, so that the workpiece is clamped.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an explosion-proof calliper double crank component, includes centre gripping platform (1), its characterized in that: cavity (6) have been seted up to the inside of centre gripping platform (1), and the inside of cavity (6) is equipped with cylinder (11), one end fixedly connected with movable plate (10) of cylinder (11), and a side surface of movable plate (10) articulates there is hinge bar (9), the one end of hinge bar (9) is equipped with two sets of double crank mechanisms, arc wall (2) have been seted up to the upper surface of centre gripping platform (1), and the inside of arc wall (2) is equipped with bracing piece (15), the upper end fixedly connected with fixture block (3) of bracing piece (15).

2. An explosion proof caliper dual crank member according to claim 1, wherein: the double-crank mechanism comprises a long crank (7) and a short crank (14), the long crank (7) and the short crank (14) are hinged to each other, one end of a hinged rod (9) is hinged to the upper surface of the long crank (7) through a connecting plate (8), and the lower end of a supporting rod (15) is fixedly connected with the upper surface of the short crank (14).

3. An explosion proof caliper dual crank member according to claim 1, wherein: a sliding groove (13) is formed in the middle of the two groups of double-crank mechanisms, a sliding block (12) is connected to the inside of the sliding groove (13) in a sliding mode, and the upper surface of the sliding block (12) is fixedly connected with the lower surface of the moving plate (10).

4. An explosion proof caliper dual crank member according to claim 1, wherein: the inner side wall of the clamping block (3) is fixedly connected with a rubber pad (4), and teeth (5) are formed in the inner side surface of the rubber pad (4).