CN219755008U

CN219755008U - Pipe connecting piece and gripping apparatus frame

Info

Publication number: CN219755008U
Application number: CN202223416589.2U
Authority: CN
Inventors: 宁波; 李恒; 黄朋飞
Original assignee: Shanghai Vaunes Automation Technology Co ltd
Current assignee: Shanghai Vaunes Automation Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-09-26
Anticipated expiration: 2032-12-20

Abstract

The utility model provides a pipe connecting piece, which comprises a base, a first positioning component and a second positioning component, wherein the base is provided with a first groove for placing a round pipe and a second groove for placing a polygonal pipe; the second positioning component is used for fixing the polygonal pipe and comprises a third threaded connecting piece, and the polygonal pipe is fixedly connected to the base through the third threaded connecting piece. The utility model also provides a gripper frame which comprises a round pipe, a polygonal pipe and the pipe connecting piece. The pipe connecting piece is high in connection stability, and the gripper frame formed by connecting the pipe connecting piece with the pipe is high in strength, so that the gripper frame can meet the requirement of a condition of large load.

Description

Pipe connecting piece and gripping apparatus frame

Technical Field

The utility model relates to the technical field of pipe connection, in particular to a pipe connecting piece and a gripping apparatus frame.

Background

The gripping apparatus is mainly used in cooperation with a robot on an automatic station to realize the work such as carrying, gluing, repair welding and the like, and comprises a gripping apparatus frame and a clamping piece arranged on the gripping apparatus frame, wherein the clamping piece is used for fixing a workpiece on the gripping apparatus frame. The gripper frame has two construction modes of welding integration and modularization, the welding integration gripper frame is often welded by square steel or pipe, and has good structural strength, but has large weight and difficult adjustment, and can only be adjusted by polishing and re-welding; the modular gripper frame is assembled from tubing through tubing connectors and can be adjusted and disassembled, so that different frames can be assembled according to different workpieces to form different production lines, and the modular gripper frame is widely used.

The strength of the gripper frame is not only influenced by the material and structure of the pipe, but also by the structure of the pipe connecting piece, so that the gripper frame with higher strength can be assembled by adopting the pipe with higher strength and/or the pipe connecting piece under the condition of higher load.

Disclosure of Invention

Accordingly, the present utility model provides a tubular connection and gripper frame to meet the need for a more loaded gripper frame. The pipe connecting piece is used for connecting the polygonal pipe and the circular pipe which are perpendicular to each other, the connection stability is high, and under the condition that the strength of the pipe meets the requirement, the strength of the gripper frame formed by connecting the pipe by the pipe connecting piece is good, so that the gripper frame can meet the requirement of the condition of larger load.

The technical scheme of the pipe connecting piece in the utility model is as follows: a pipe connection for fixedly connecting a round pipe with a mounting hole and a polygonal pipe, comprising: the base is provided with a first groove for placing a round tube and a second groove for placing a polygonal tube, the first groove and the second groove are mutually perpendicular, the first groove is provided with a plurality of first positioning holes, the first positioning holes are used for corresponding to the mounting holes of the round tube, the second groove is provided with a plurality of second positioning holes, and the second positioning holes are used for corresponding to the mounting holes of the polygonal tube; the first positioning component is used for fixedly connecting the round tube on the base, and comprises a first compression block, a second compression block, a third compression block, a first threaded connecting piece and a second threaded connecting piece, wherein the first compression block is arranged at the front end of the first groove, the left end and the right end of the first compression block are respectively arranged at the two sides of the first groove, the second compression block is arranged at the rear end of the first groove, the left end and the right end of the second compression block are respectively arranged at the two sides of the first groove, first through holes are respectively formed at the left end and the right end of the first compression block and the left end and the right end of the second compression block, the threaded ends of the first threaded connecting piece penetrate through the first through holes and are then connected to the base in a threaded manner, the third compression block is arranged between the first compression block and the second compression block, the second through holes are respectively arranged on the third compression block, and the second through holes are used for corresponding to the mounting holes of the round tube, and the threaded ends of the second threaded connecting piece penetrate through the first through holes and the second through holes; the second positioning assembly is used for fixedly connecting the polygonal pipe to the base and comprises a third threaded connecting piece, and the threaded end of the third threaded connecting piece penetrates through the mounting hole of the polygonal pipe and then is in threaded connection with the second positioning hole.

Further, the inner wall surface of the first groove is a first semicircular arc surface, and the first semicircular arc surface is used for being attached to the outer circumferential surface of the round pipe.

Further, the lower ends of the first compression block and the second compression block are respectively provided with a second semi-arc surface, and the second semi-arc surface is also used for being attached to the outer circumferential surface of the round pipe.

Further, a notch is respectively arranged at the left end or the right end of the first compression block and the left end or the right end of the second compression block.

Further, set screws are respectively arranged on two sides of the second through hole on the third compression block.

Further, a positioning surface is arranged on the bottom surface of the second groove and is used for being attached to the inner wall surface of the polygonal pipe groove of the polygonal pipe.

Further, a matching surface is arranged on the third compression block, and the matching surface is in sliding fit with the inner wall surface of the circular tube groove of the circular tube.

Further, the second positioning assembly further comprises a positioning sleeve, and the positioning sleeve is arranged in the two corresponding mounting holes of the multi-angle pipe in a penetrating mode and used for enabling the third threaded connecting piece to penetrate through.

The technical scheme of the gripping apparatus frame is as follows: the gripper frame comprises at least two pipe connectors, at least two polygonal pipes and at least one circular pipe, wherein one end of the circular pipe is vertically connected with one polygonal pipe through one pipe connector, and the other end of the circular pipe is vertically connected with the other polygonal pipe through one pipe connector; circular tube grooves are symmetrically distributed on the outer peripheral surface of the circular tube, a plurality of mounting holes are formed in the bottom surface of the circular tube grooves at intervals, the cross section of the polygonal tube is a regular polygon formed by even number of side lines, polygonal tube grooves arranged along the length direction of the polygonal tube are formed in each plane, and a plurality of mounting holes are formed in the bottom surface of the polygonal tube grooves at intervals.

Further, the circular tube groove is a dovetail groove, and the polygonal tube groove is a square groove.

The technical scheme of the utility model has the following advantages: the pipe connecting piece enables more parts of the round pipe to be subjected to compression force through the first compression block and the second compression block which are arranged at intervals, so that connection is more stable; the pipe connecting piece is further connected with the first positioning hole of the base through threads after passing through the third compression block and the round pipe by arranging the third compression block and the second threaded connecting piece between the first compression block and the second compression block, so that the installation precision of the round pipe is ensured, the sliding and the rotation of the round pipe are avoided, and the round pipe is stably and fixedly connected to the base; the clamp frame adopts the pipe connecting piece, has higher strength and can meet the requirement of the condition of larger load; the pipe connecting piece, the round pipe and the polygonal pipe which are connected are in modularized design, so that the flexibility degree is high, and the later-stage transformation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a pipe connector according to the present utility model;

FIG. 2 is an exploded view of the pipe connector, round pipe and multi-angle pipe connection of the present utility model;

FIG. 3 is a side cross-sectional view of the tubular connection, round tube and multi-angle tube connection of the present utility model;

FIG. 4 is a front and top view of a third compression block of the tubular coupling of the present utility model;

fig. 5 is a front view and a side view of a round tube in the present utility model.

Reference numerals illustrate:

10-a base; 11-a first groove; 111-a first positioning hole; 12-a second groove; 122-locating surface; 121-a second positioning hole; 20-round tubes; 21-a circular tube groove; 22-a circular tube mounting hole; 30-a polygonal tube; 31-polygonal tube grooves; 32-polygonal tube mounting holes; 41-a first compaction block; 42-a second compaction block; 43-a third compaction block; 431—set screw; 432-a second via; 433—mating surface; 44-a first threaded connection; 45-a second threaded connection; 51-positioning sleeve; 52-a third threaded connection; 60-notch.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1 to 4, a pipe connector for fixedly connecting a circular pipe 20 with a mounting hole and a polygonal pipe 30, comprising: the base 10, a first groove 11 for placing the round tube 20 and a second groove 12 for placing the polygonal tube 30 are arranged on the base 10, the first groove 11 and the second groove 12 are mutually perpendicular, a plurality of first positioning holes 111 are arranged on the first groove 11, the first positioning holes 111 are used for corresponding to the round tube mounting holes 22 of the round tube 20, a plurality of second positioning holes 121 are arranged on the second groove 12, and the second positioning holes 121 are used for corresponding to the polygonal tube mounting holes 32 of the polygonal tube 30; the first positioning component is used for fixedly connecting the round tube 20 to the base 10, and comprises a first compression block 41, a second compression block 42, a third compression block 43, a first threaded connecting piece 44 and a second threaded connecting piece 45, wherein the first compression block 41 is arranged at the front end of the first groove 11, the left and right ends of the first compression block 41 are respectively arranged at the two sides of the first groove 11, the second compression block 42 is arranged at the rear end of the first groove 11, the left and right ends of the second compression block 42 are respectively arranged at the two sides of the first groove 11, first through holes are respectively arranged at the left and right ends of the first compression block 41 and the left and right ends of the second compression block 42, the threaded ends of the first threaded connecting piece 44 penetrate through the first through holes and are then connected to the base 10, the third compression block 43 is arranged in the groove 21 of the round tube 20 and is positioned between the first compression block 41 and the second compression block 42, the second compression block 42 is respectively arranged at the two sides of the first groove 11, the second through holes 432 are respectively arranged at the left and right ends of the second compression block 42 and the second through holes 432 are respectively corresponding to the second through holes 22 and the second through holes 432 and the second threaded connecting piece 45 are respectively arranged at the second through holes 432 and the second through holes 20; the second positioning assembly is configured to fixedly connect the polygonal tube 30 to the base 10, and includes a plurality of positioning sleeves 51 and a plurality of third threaded connectors 52, wherein the positioning sleeves 51 are disposed in the two corresponding polygonal tube mounting holes 32 of the polygonal tube 30 in a penetrating manner, and threaded ends of the third threaded connectors 52 are threaded into the second positioning holes 121 after passing through the positioning sleeves 51.

The pipe connecting piece ensures that the round pipe 20 is not only pressed by the first pressing block 41 and the second pressing block 42, but also locked by the second threaded connecting piece 45, thereby avoiding the sliding and the rotation of the round pipe 20 and ensuring that the round pipe 20 is stably and fixedly connected to the base 10; the pipe coupling member stably fixes the polygonal pipe 30 to the base 10 by the locking force of the plurality of third screw coupling members 52.

Preferably, the inner wall surface of the first groove 11 is a first semi-arc surface, the lower ends of the first compression block 41 and the second compression block 42 are respectively provided with a second semi-arc surface, and the first semi-arc surface and the second semi-arc surface can both be attached to the outer peripheral surface of the round tube 20; the round tube 20 is placed in the round hole formed by the first semicircular arc surface and the second semicircular arc surface, so that the round tube 20 is not easy to deform when being clamped.

Preferably, the left end or the right end of the first compression block 41 and the left end or the right end of the second compression block 42 are respectively provided with a notch 60, one ends of the first compression block 41 and the second compression block 42 are compressed on the pipe connecting piece through the first threaded connecting piece 44, and the other ends are separated from the pipe connecting piece by the gaps 60, and the gaps enable the connection of the round pipes 20 to be firmer and firmer under the action of the locking force of the first threaded connecting piece 44, so that the round pipes are not easy to slide.

Preferably, the third pressing block 43 is provided with a set screw 431 on two sides of the second through hole 432; the third pressing block 43 is tightly attached to the circular tube groove 21 of the circular tube 20 by the set screw 431.

Preferably, a positioning surface 122 is provided on the bottom surface of the second groove 12, and the positioning surface 122 is used for attaching to the inner wall surface of the polygonal groove 31 of the polygonal tube 30, so as to prevent the polygonal tube 30 from being shifted during installation, and ensure the installation accuracy. When the polygonal groove 31 is a square groove, the positioning surface 122 is formed of three surfaces of a square boss provided on the bottom surface of the second groove.

Preferably, the third pressing block 43 is provided with a mating surface 433, and the mating surface 433 is used for being attached to an inner wall surface of the circular tube groove 21 of the circular tube 20, so as to prevent the circular tube 20 from being shifted during installation, and ensure the installation accuracy. When the circular tube groove 21 is a dovetail groove, the mating surface 433 is formed by three surfaces of a dovetail boss provided at the lower end of the third pressing block 43.

Example 2

A gripper frame comprising at least two tubular connectors as described in embodiment 1, at least two polygonal tubes 30 and at least one tubular 20, one end of the tubular 20 being vertically connected to one polygonal tube 30 by one of the tubular connectors, the other end of the tubular 20 being vertically connected to the other polygonal tube 30 by one of the tubular connectors. Referring to fig. 2 and fig. 5, 4 circular tube grooves 21 are uniformly distributed on the outer circumferential surface of the circular tube 20, a plurality of circular tube mounting holes 22 are formed on the bottom surface of the circular tube grooves 21 at intervals, the cross section of the polygonal tube 30 is a regular polygon formed by an even number of side lines, polygonal tube grooves 31 are formed on each plane of the polygonal tube 30 and are arranged along the length direction of the polygonal tube 30, and a plurality of polygonal tube mounting holes 32 are formed on the bottom surface of the polygonal tube grooves 31 at intervals; the mounting holes of the round tube 20 and the polygonal tube 30 are standard holes for connecting with other objects, the round tube groove 21 is a dovetail groove, and the polygonal tube groove 31 is a square groove. The polygonal tube 30 and the circular tube 20 are all formed by extrusion of high-strength aluminum alloy, and are light in weight and good in strength. The pipe connecting piece, the round pipe 20 and the polygonal pipe 30 are in modularized design, the flexibility degree is high, and the later-stage transformation is convenient.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A tubular product connecting piece for fixed connection has pipe and polygon pipe of mounting hole, its characterized in that includes:

the base is provided with a first groove for placing a round tube and a second groove for placing a polygonal tube, the first groove and the second groove are mutually perpendicular, the first groove is provided with a plurality of first positioning holes, the first positioning holes are used for corresponding to the mounting holes of the round tube, the second groove is provided with a plurality of second positioning holes, and the second positioning holes are used for corresponding to the mounting holes of the polygonal tube;

the first positioning component is used for fixedly connecting the circular tube on the base, and comprises a first compression block, a second compression block, a third compression block, a first threaded connecting piece and a second threaded connecting piece, wherein the first compression block is arranged at the front end of the first groove, the left end and the right end of the first compression block are respectively arranged at the two sides of the first groove, the second compression block is arranged at the rear end of the first groove, the left end and the right end of the second compression block are respectively arranged at the two sides of the first groove, first through holes are respectively formed at the left end and the right end of the first compression block and the left end and the right end of the second compression block, the threaded ends of the first threaded connecting piece penetrate through the first through holes and are then connected to the base in a threaded manner, the third compression block is arranged in the circular tube groove of the circular tube and is positioned between the first compression block and the second compression block, a second through hole is formed in the third compression block, and the second through holes are used for corresponding to the mounting holes, and the second through holes are respectively arranged at the mounting holes and the threaded ends of the second circular tube;

the second positioning assembly is used for fixedly connecting the polygonal pipe to the base and comprises a third threaded connecting piece, and the threaded end of the third threaded connecting piece penetrates through the mounting hole of the polygonal pipe and then is in threaded connection with the second positioning hole.

2. The pipe connecting piece according to claim 1, wherein the inner wall surface of the first groove is a first semicircular arc surface, and the first semicircular arc surface is used for being attached to the outer circumferential surface of the round pipe.

3. The pipe connecting piece according to claim 2, wherein second semi-arc surfaces are respectively arranged at the lower ends of the first compression block and the second compression block, and the second semi-arc surfaces are used for being attached to the outer circumferential surface of the round pipe.

4. The pipe coupling according to claim 1, wherein said first compression block has a notch at either the left or right end thereof and said second compression block has a notch at either the left or right end thereof.

5. The pipe connecting piece according to claim 1, wherein set screws are respectively arranged on two sides of the second through hole on the third pressing block.

6. The pipe connecting piece according to claim 1, wherein a positioning surface is provided on the bottom surface of the second groove, and the positioning surface is used for fitting the inner wall surface of the polygonal pipe groove of the polygonal pipe.

7. The pipe connecting piece according to claim 1, wherein a matching surface is arranged on the third pressing block, and the matching surface is in sliding fit with the inner wall surface of the circular pipe groove of the circular pipe.

8. The pipe coupling according to claim 1, wherein said second positioning assembly further comprises positioning sleeves disposed through corresponding two mounting holes of the multi-angle pipe for said third threaded coupling to pass through.

9. A gripper frame comprising at least two tubular connectors as claimed in any one of claims 1 to 8, and

at least one circular tube, circular tube grooves are symmetrically distributed on the peripheral surface of the circular tube, and a plurality of mounting holes are formed in the bottom surface of the circular tube grooves at intervals;

the cross section of the polygonal pipes is regular polygons formed by even side lines, each plane of the polygonal pipes is provided with polygonal pipe grooves arranged along the length direction of the polygonal pipes, and a plurality of mounting holes are formed in the bottom surfaces of the polygonal pipe grooves at intervals;

one end of the round tube is vertically connected with one polygonal tube through one tube connecting piece, and the other end of the round tube is vertically connected with the other polygonal tube through one tube connecting piece.

10. A gripper frame according to claim 9 wherein the circular tube grooves are dovetail grooves and the polygonal tube grooves are square grooves.