CN212919441U

CN212919441U - Universal connecting device between mechanical arm and clamping jaw

Info

Publication number: CN212919441U
Application number: CN202021100052.3U
Authority: CN
Inventors: 战宝松
Original assignee: Qingdao Beite Mechanical Technology Co ltd
Current assignee: Qingdao Beite Mechanical Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-04-09
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses an universal connecting device between arm and clamping jaw mainly includes connecting body, top connecting piece and bottom connecting piece, and wherein, top connecting piece and bottom connecting piece are located connecting body's top and bottom respectively. The connecting structure comprises a connecting body, and is characterized in that screw rods are meshed with the left side and the right side of the connecting body, a clamping ring is connected with the end of each screw rod, a rubber pad is fixed on the inner side of the clamping ring, a universal rotating rod is arranged inside the connecting body, the top and the bottom of the universal rotating rod are matched with the connecting body through bearings, a top connecting piece is fixed on the outer side of the top of the connecting body, countersunk head screw holes are formed in the periphery of the bottom of the top connecting piece, and a bottom connecting piece is meshed with the inner side of the bottom of the universal rotating rod. The utility model is used for replace the automatic rotary device in the manipulator, can adjust the direction of clamping jaw, its component simple structure, processing and maintenance economy have good use flexibility, have effectively reduced the input cost.

Description

Universal connecting device between mechanical arm and clamping jaw

Technical Field

The utility model relates to a machining field specifically is an universal connecting device between arm and clamping jaw.

Background

In the modern life, the most advanced technology is in the form of a new moon, and the most important difference between the mechanical arm and the human arm is in flexibility and endurance. That is, the maximum advantage of the manipulator can do the same action repeatedly, and the manipulator never feels tired in the normal condition of the machine! The application of mechanical arms is more and more extensive, and the mechanical arms are high-tech automatic production equipment developed in recent decades, and have the operation accuracy and the ability of completing the operation in the environment. Present basic manipulator homoenergetic drives the clamping jaw through the arm and realizes three-dimensional regulation (being X axle, Y axle and Z axle) and autogiration function, but autogiration device's cost is higher, fragile, and its later maintenance cost is also higher, and some actual production line application rate is lower. In order to solve the existing problem, the utility model discloses an universal connecting device between arm and the clamping jaw.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving present basic manipulator homoenergetic and realizing that the three-dimensional is adjusted (X axle, Y axle and Z axle promptly) and autogiration function through the arm drive clamping jaw, but autogiration device's cost is higher, fragile, and its later maintenance cost is also higher, and some actual production line in the shortcoming such as the application rate is lower, and provide a universal connection device between arm and the clamping jaw.

In order to achieve the above object, the utility model provides a following technical scheme: the connecting structure mainly comprises a connecting main body, a top connecting piece and a bottom connecting piece, wherein the top connecting piece and the bottom connecting piece are respectively positioned at the top and the bottom of the connecting main body. The connecting structure comprises a connecting body, and is characterized in that screw rods are meshed with the left side and the right side of the connecting body, a clamping ring is connected with the end of each screw rod, a rubber pad is fixed on the inner side of the clamping ring, a universal rotating rod is arranged inside the connecting body, the top and the bottom of the universal rotating rod are matched with the connecting body through bearings, a top connecting piece is fixed on the outer side of the top of the connecting body, countersunk head screw holes are formed in the periphery of the bottom of the top connecting piece, and a bottom connecting piece is meshed with the inner side of the bottom of the universal rotating rod.

Preferably, the bottom of the top connecting piece is meshed and fixed with the connecting main body through respectively arranging countersunk bolts in countersunk screw holes, the top structure of the top connecting piece needs to be customized according to a specific mechanical arm, and the top of the top connecting piece is matched and fixed with the mechanical arm. Wherein, the top connecting piece is mainly used for connecting the main body and the mechanical arm.

Preferably, the top of bottom connecting piece is fixed through screw and the meshing of universal bull stick, and wherein, the bottom of universal bull stick is provided with the internal thread, and the top of bottom connecting piece is provided with the external screw thread, and the substructure of bottom connecting piece needs to be according to concrete clamping jaw customization, and the bottom and the clamping jaw cooperation of bottom connecting piece are fixed. Wherein, the bottom connecting piece is mainly used for connecting the main body with the clamping jaw.

Preferably, the top and the bottom of the universal rotating rod are in interference fit with the connecting main body through bearings, wherein the top and the bottom of the universal rotating rod are in interference fit with the inner ring of the bearing through glue, and the top and the bottom of the connecting main body are in interference fit with the outer ring of the bearing through glue. The universal rotating rod has good flexibility and can rotate under the action of the bearing.

Preferably, the left side and the right side of the connecting main body are both connected with the screw rod in a meshed mode through threads, the end of the screw rod is connected with the clamping ring in a matched mode through the bearing, the inner side of the clamping ring is bonded with the rubber pad through glue, the diameter of the inner side of the clamping ring is equal to the diameter of the outer side of the universal rotating rod, the end of the screw rod is in interference fit with the inner ring of the bearing through the glue, and the clamping ring is in interference fit with the outer ring of the bearing through the glue. And the screw rod is rotated, the screw rod drives the clamping rings to move through the bearings under the action of the threads, and after the direction of the universal rotating rod is determined, the universal rotating rod is clamped and fixed through the two clamping rings. Wherein, the rubber pad mainly plays skid-proof effect.

Preferably, two limiting columns are arranged in the clamping ring in a clearance fit mode, and the two limiting columns are welded and fixed on the inner wall of the connecting main body and located on two sides of the screw rod. The limiting column is mainly used for limiting the clamping ring, so that the clamping ring can only move along the direction of the limiting column, and the clamping ring can better clamp the universal rotating rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is used for replacing the automatic rotary device in the manipulator, can adjusting the direction of clamping jaw, its component simple structure, processing and maintenance cost economy, it has good use flexibility, has effectively reduced the input cost.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic sectional view a-a of the present invention.

Fig. 3 is a left side view structure diagram of the present invention.

Fig. 4 is a schematic sectional structural view B-B of the present invention.

Fig. 5 is a schematic diagram C of the local enlarged structure of the present invention.

Fig. 6 is a schematic diagram D of a local enlarged structure of the present invention.

Fig. 7 is a schematic diagram E of the local enlarged structure of the present invention.

In the figure: 1-connecting main body, 2-top connecting piece, 3-bottom connecting piece, 4-screw rod, 5-clamping ring, 6-rubber pad, 7-bearing, 8-universal rotating rod, 9-countersunk screw hole and 10-limiting column.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: mainly including connecting main part 1, top connecting piece 2 and bottom connecting piece 3, wherein, top connecting piece 2 and bottom connecting piece 3 are located the top and the bottom of connecting main part 1 respectively. The connecting body 1 is characterized in that screw rods 4 are meshed with the left side and the right side of the connecting body 1, the end of each screw rod 4 is connected with a clamping ring 5, a rubber pad 6 is fixed on the inner side of each clamping ring 5, a universal rotating rod 8 is arranged inside the connecting body 1, the top and the bottom of each universal rotating rod 8 are matched with the connecting body 1 through bearings 7, a top connecting piece 2 is fixed on the outer side of the top of the connecting body 1, countersunk head screw holes 9 are formed in the periphery of the bottom of the top connecting piece 2, and the inner side of the bottom of each universal rotating rod 8 is meshed with a bottom connecting piece 3.

The bottom of top connecting piece 2 is fixed with connecting body 1 meshing through setting up countersunk head bolt in countersunk head screw 9 respectively, and the top structure of top connecting piece 2 needs to be customized according to concrete arm, and the top of top connecting piece 2 is fixed with the arm cooperation. Wherein, the top connecting piece 2 is mainly used for connecting the main body 1 and the mechanical arm.

The top of bottom connecting piece 3 is passed through the screw thread and is fixed with the meshing of universal bull stick 8, and wherein, the bottom of universal bull stick 8 is provided with the internal thread, and the top of bottom connecting piece 3 is provided with the external screw thread, and the substructure of bottom connecting piece 3 needs to be according to concrete clamping jaw customization, and the bottom and the clamping jaw cooperation of bottom connecting piece 3 are fixed. Wherein the bottom connecting piece 3 is mainly used for connecting the main body 1 with the clamping jaw.

The top and the bottom of universal bull stick 8 all pass through bearing 7 and connecting body 1 interference fit, and wherein, the top and the bottom of universal bull stick 8 all pass through gluey inner circle interference fit with bearing 7, and connecting body 1's top and bottom all pass through gluey outer lane interference fit with bearing 7. The universal rotating rod 8 has good flexibility and can rotate under the action of the bearing 7.

The left side and the right side of the connecting body 1 are both connected with the screw rod 4 in a meshed mode through threads, the end of the screw rod 4 is connected with the clamping ring 5 in a matched mode through the bearing 7, the inner side of the clamping ring 5 is bonded with the rubber pad 6 through glue, the diameter of the inner side of the clamping ring 5 is equal to the diameter of the outer side of the universal rotating rod 8, the end of the screw rod 4 is in interference fit with the inner ring of the bearing 7 through glue, and the clamping ring 5 is in interference fit with the outer ring of the bearing 7 through glue. The screw rod 4 is rotated, the screw rod 4 drives the clamping ring 5 to move through the bearing 7 under the action of the threads, and after the direction of the universal rotating rod 8 is determined, the universal rotating rod 8 is clamped and fixed through the two clamping rings 5. Wherein, the rubber pad 6 mainly plays the antiskid effect.

Two limiting columns 10 are arranged in the clamping ring 5 in a clearance fit mode, and the two limiting columns 10 are welded and fixed on the inner wall of the connecting main body 1 and located on two sides of the screw rod 4. The limiting column 10 is mainly used for limiting the clamping ring 5, so that the clamping ring 5 can only move along the direction of the limiting column 10, and the clamping ring 5 is guaranteed to better clamp the universal rotating rod 8.

The utility model discloses a theory of operation does: firstly, the top of the connecting body 1 is matched and fixed with the mechanical arm through the top connecting piece 2, and then the bottom of the connecting body 1 is matched and fixed with the clamping jaw through the bottom connecting piece 3. Because the bottom of the universal rotating rod 8 is exposed outside the connecting body 1, the clamping direction of the clamping jaw can be changed by manually rotating the universal rotating rod 8, after the clamping direction of the clamping jaw is determined, the screw rods 4 on the two sides of the connecting body 1 are respectively rotated, the screw rods 4 drive the clamping rings 5 to move along the direction of the limiting column 10 through the bearings 7 under the action of threads, and the universal rotating rod 8 is clamped and fixed through the two clamping rings 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a universal connecting device between arm and clamping jaw which characterized in that: the connecting structure mainly comprises a connecting main body (1), a top connecting piece (2) and a bottom connecting piece (3), wherein the top connecting piece (2) and the bottom connecting piece (3) are respectively positioned at the top and the bottom of the connecting main body (1); the left and right sides of connecting body (1) all meshes has screw rod (4), the end department of screw rod (4) is connected with clamping ring (5), the inboard of clamping ring (5) is fixed with rubber pad (6), the inside of connecting body (1) is provided with universal bull stick (8), the top and the bottom of universal bull stick (8) all cooperate with connecting body (1) through bearing (7), the top outside of connecting body (1) is fixed with top connecting piece (2), the bottom of top connecting piece (2) all is provided with countersunk head screw hole (9) all around, the inboard meshing in bottom of universal bull stick (8) has bottom connecting piece (3).

2. The universal connection between a robot arm and a gripper according to claim 1, wherein: the bottom of top connecting piece (2) is fixed with connecting body (1) meshing through setting up countersunk head bolt in countersunk head screw hole (9) respectively, and the top structure of top connecting piece (2) needs to be customized according to concrete arm, and the top and the arm cooperation of top connecting piece (2) are fixed.

3. The universal connection between a robot arm and a gripper according to claim 1, wherein: the top of bottom connecting piece (3) is passed through the screw thread and is fixed with universal bull stick (8) meshing, and wherein, the bottom of universal bull stick (8) is provided with the internal thread, and the top of bottom connecting piece (3) is provided with the external screw thread, and the substructure of bottom connecting piece (3) needs to be according to concrete clamping jaw customization, and the bottom and the clamping jaw cooperation of bottom connecting piece (3) are fixed.

4. The universal connection between a robot arm and a gripper according to claim 1, wherein: the top and the bottom of the universal rotating rod (8) are in interference fit with the connecting body (1) through the bearing (7), wherein the top and the bottom of the universal rotating rod (8) are in interference fit with the inner ring of the bearing (7) through glue, and the top and the bottom of the connecting body (1) are in interference fit with the outer ring of the bearing (7) through glue.

5. The universal connection between a robot arm and a gripper according to claim 1, wherein: the left side and the right side of the connecting body (1) are all connected with the screw rod (4) in a meshed mode through threads, the end of the screw rod (4) is connected with the clamping ring (5) in a matched mode through the bearing (7) respectively, the inner side of the clamping ring (5) is bonded with the rubber pad (6) through glue, the inner side diameter of the clamping ring (5) is equal to the outer side diameter of the universal rotating rod (8), the end of the screw rod (4) is in interference fit with the inner ring of the bearing (7) through glue, and the clamping ring (5) is in interference fit with the outer ring of the bearing (7) through glue.

6. The universal connection between a robot arm and a gripper according to claim 1, wherein: two limiting columns (10) are arranged in the clamping ring (5) in a clearance fit mode, and the two limiting columns (10) are welded and fixed on the inner wall of the connecting main body (1) and located on two sides of the screw rod (4).