Tubular product is connected to tongs
Technical Field
The utility model relates to an automobile welding assembly's automatic control technical field especially relates to a tubular product is connected to tongs.
Background
In the automatic control field of automobile welding assembly, the gripping apparatus is mainly used for being matched with a robot on an automatic station to realize the work of carrying, gluing, repair welding and the like of automobile body parts.
At present, grippers consist of frame profiles, profile connections and actuating units. The frame profiles and profile connections are made in a modular design, so that they can be assembled in the desired manner. In the using process, the gripping apparatus is matched with a robot or a balance crane for use, and can reach a position through the movement of the robot and the manual work to carry out automatic or manual operation.
Patent document CN2017212925568 discloses a pipe connector, which comprises a polygonal pipe, a first sub-connector and a second sub-connector; the multi-angle pipe is provided with a first groove; the first groove is provided with a first through hole; the first sub-connector comprises a positioning piece; the positioning piece penetrates through the first through hole, so that the sub-connecting piece can be fixedly connected with the polygonal pipe; the first sub-connecting piece also comprises a second through hole; the second sub-connecting piece is fixedly connected with the first sub-connecting piece through the second through hole.
However, in the actual use process, the inventor finds that the connection firmness of the pipe connecting piece is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the weak point of prior art, through setting up the trilateral of first connecting piece and being responsible for and being connected to the poor technical problem of fastness that the tubular product connecting piece is connected has been solved.
Aiming at the technical problems, the technical scheme is as follows: a grip connection tubular comprising:
the main pipe is an octagonal pipe, and a plurality of through holes a are uniformly formed in the surface of the main pipe;
the first connecting piece comprises a mounting seat a and a connecting pipe a connected with the mounting seat a;
the second connecting piece comprises a mounting seat b and a connecting pipe b connected with the mounting seat b; and
and the third connecting piece comprises a mounting seat c and a pneumatic piece connected with the mounting seat c.
Preferably, the mounting seat a comprises a first layer seat and a second layer seat, wherein the first layer seat is connected with three sides of the bottom of the main pipe through a through hole a, and the second layer seat is located below the first layer seat and is fixedly connected with the first layer seat.
Preferably, the surface of the connecting pipe a is uniformly provided with a plurality of through holes b and is vertically arranged on the horizontal plane of the main pipe.
Preferably, the mounting seat b is connected with the connecting pipe a through hole b.
Preferably, the surface of the connecting pipe b is uniformly provided with a plurality of through holes c and is vertically arranged on the longitudinal horizontal plane of the connecting pipe a.
Preferably, the mounting seat c is connected with the connecting pipe b through a through hole c.
Preferably, the cylinder unit is mounted on the mounting seat c and comprises a cylinder body, a second air hole formed in the upper end of the cylinder body, a shell connected with the cylinder body and a first air hole formed in the upper end of the shell;
the rotating unit comprises a piston arranged in the cylinder body in a sliding mode and a movable rod, one end of the movable rod is connected with the piston, and the movable rod is arranged in the shell in a sliding mode;
the upper hasp is connected with the mounting seat c and arranged in the same direction as the main pipe; and
the lower buckle is connected with the other end of the movable rod through a connecting block;
one end of the connecting block is connected with the movable rod through a pin with a hole; the other end is connected with the lower hasp through a short pin; the lower hasp is connected with the shell through the long pin, and the lower hasp can rotate around the long pin.
Preferably, the upper buckle and the lower buckle are arranged in a square structure.
The utility model has the advantages that:
(1) the utility model discloses in through setting up the trilateral connection of first connecting piece and person in charge, its grip strength is more firm, is provided with the strengthening rib in the person in charge simultaneously, further improves the firm degree of whole connection tubular product;
(2) in the utility model, through directly arranging the through holes on the main pipe, the connecting pipe a and the connecting pipe b, compared with a comparison file, no groove needs to be arranged, the design not only keeps the firmness of the comparison file, but also has simple manufacture, reduces the production cost and has high product output; the pipe connecting piece is a modularized product, is simple in design, and can reduce the reserve quantity of spare parts of customers;
(3) the utility model discloses in be used for keeping the auto-lock when clamping state through setting up pneumatic component, safe and reliable when guaranteeing to press from both sides tightly.
In conclusion, the equipment has the advantages of light weight and convenience in processing, and is particularly suitable for the technical field of automatic control of automobile welding and assembling.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a gripper for connecting tubing.
Fig. 2 is a schematic view of the connection of the main pipe and the first connecting member.
Fig. 3 is a schematic view of the connection of the second connector and the third connector.
Fig. 4 is a schematic structural view of the third connecting member.
Fig. 5 is a schematic structural view of the pneumatic member.
Fig. 6 is a schematic structural view of a long pin.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.
Example one
As shown in fig. 1, a grip connecting tubular includes:
the main pipe 1 is an octagonal pipe, and a plurality of through holes a11 are uniformly formed in the surface of the octagonal pipe 1;
a first connecting piece 2, wherein the first connecting piece 2 comprises a mounting seat a21 and a connecting pipe a22 connected with the mounting seat a 21;
a second connector 3, wherein the second connector 3 comprises a mounting seat b31 and a connecting pipe b32 connected with the mounting seat b 31; and
and the third connecting piece 4 comprises a mounting seat c41 and a pneumatic piece 42 connected with the mounting seat c 41.
In this embodiment, through setting up first connecting piece 2 and being connected with the trilateral of being responsible for 1, its grip strength is more firm, is provided with the strengthening rib in being responsible for 1 simultaneously, further improves the firm degree of whole connection tubular product.
In addition, the octagonal tube structure is matched, and the surface is more beneficial to adjustment according to actual needs.
Further, as shown in fig. 2, the mounting seat a21 includes a first layer seat 211 connected to the bottom three sides of the main pipe 1 through a through hole a11, and a second layer seat 212 located below the first layer seat 211 and fixedly connected thereto.
Further, as shown in fig. 2, a plurality of through holes b221 are uniformly formed on the surface of the connecting pipe a22 and are vertically arranged on the horizontal plane of the main pipe 1.
In the embodiment, through the arrangement of the through hole a11, the through hole b221 and the through hole c321, the pipe connecting piece is convenient to mount without special tools
Further, as shown in fig. 3, the mounting seat b31 is connected to the connecting tube a22 through a through hole b 221.
Further, as shown in fig. 3, a plurality of through holes c321 are uniformly formed on the surface of the connecting pipe b32 and are vertically arranged on the longitudinal horizontal plane of the connecting pipe a 22.
Further, as shown in fig. 3, the mounting seat c41 is connected to the connecting tube b32 through a through hole c 321.
In the embodiment, the main pipe 1, the connecting pipe a22 and the connecting pipe b32 are directly provided with the through holes, compared with a comparison file, no groove needs to be formed, the design not only keeps the required firmness, but also is simple to manufacture, the production cost is reduced, and the product output is high; the pipe connecting piece modularization product is simple in design and capable of reducing the reserve quantity of customer spare parts.
Further, as shown in fig. 5 and 6, the pneumatic element 42 includes:
a cylinder unit 421 mounted on the mounting seat c41, and including a cylinder 4211, a second air hole 4212 opened at an upper end of the cylinder 4211, a housing 4213 connected to the cylinder 4211, and a first air hole 4214 opened at an upper end of the housing 4213;
a rotation unit 422, the rotation unit 422 including a piston 4221 slidably disposed in the cylinder 4211 and a movable rod 4222 having one end connected to the piston 4221 and slidably disposed inside the housing 4213;
an upper buckle 424, wherein the upper buckle 424 is connected with the mounting seat c41 and is arranged in the same direction as the main pipe 1; and
a lower buckle 425, wherein the lower buckle 425 is connected with the other end of the movable rod 4222 through a connecting block 4223;
one end of the connecting block 4223 is connected with the movable rod 4222 through a pin with a hole; the other end is connected with the lower hasp 425 through a short pin 4224; the lower hasp 425 is connected to the housing 4213 by a long pin 4225, and the lower hasp 425 can rotate around the long pin 4225.
Patent document CN2017213507390 discloses a specific structure of the pneumatic element 42, and is not repeated herein.
The working principle is as follows:
compressed air enters the cylinder 4211 from the second air hole 4214 of the lower cover, air in an upper cavity (a cavity above the piston 4221) in the cylinder 4211 is exhausted from the first air hole 4212 on the shell, the piston 4221 is pushed to move upwards, the movable rod 4222 is driven to move upwards, the rotation motion of the lower buckle 425 is converted through the connecting block, the pressure of the compressed air is converted into the clamping force of the lower buckle 425 on a workpiece, the force is increased at the clamping point, and meanwhile, self-locking is realized, so that the workpiece is clamped.
Therefore, the pneumatic member 42 is used to maintain self-locking in the clamping state, so as to ensure safety and reliability in clamping.
Further, as shown in fig. 4, the upper buckle 424 and the lower buckle 4221 are arranged in a square structure.
In this embodiment, the upper buckle 424 and the lower buckle 4221 are arranged in a square structure, which aims to better clamp a product and has high stability during working.
In the description of the present invention, it is to be understood that the terms "front and back", "left and right", 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 simplification of description, and do not indicate or imply that the equipment or parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art in the technical suggestion of the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.