CN217045570U

CN217045570U - Pipe fitting clamping and centering mechanism

Info

Publication number: CN217045570U
Application number: CN202220526040.XU
Authority: CN
Inventors: 王永虎; 王慧庆
Original assignee: Shandong Dysenbote Intelligent Equipment Co ltd
Current assignee: Shandong Dysenbote Intelligent Equipment Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-11
Publication date: 2022-07-26
Anticipated expiration: 2032-03-11

Abstract

The utility model relates to the technical field of machining equipment, in particular to a pipe clamping and centering mechanism, which comprises a mounting box and a driving device; a gear and two groups of centering assemblies which are distributed in a central symmetry manner by taking the gear as a circle center are arranged in the mounting box; the gear is arranged on the inner wall of the mounting box; each group of centering components comprises a rack and a fixing piece; a placing groove is formed in one side, facing the gear, of the fixing piece, the rack is placed in the placing groove, one side of the rack is meshed with the gear, and the other side of the rack is connected with the inner wall of the placing groove through an elastic piece; the fixing piece is provided with two first connecting pieces, and the two driving devices are respectively connected with the first connecting pieces of the two groups of centering assemblies. The utility model discloses not only increased the stability of rack, can also keep reliability and compactness between gear and the rack, be convenient for install.

Description

Pipe fitting clamping and centering mechanism

Technical Field

The utility model relates to a machining equipment technical field specifically relates to a pipe fitting centre gripping centering mechanism.

Background

The gear and rack transmission mode is very common in mechanical operation, the rack and the gear are matched to realize reciprocating motion, and the gear and rack combined type automatic positioning device is also a quick and accurate positioning structure and is suitable for CNC machine tools, machining centers, cutting machines, welding machines and the like with heavy load, high accuracy, high rigidity, high speed and long stroke. The chuck is a common processing equipment for further processing such as cut after the work piece is fastened, prior art uses gear and rack drive mode can improve centering precision in the chuck, still has following problem: the gear rack has the advantages that the number of parts for adjusting the distance between the gear and the rack is large, the parts are easy to lose, the distance between the gear and the rack needs to be adjusted manually, and the gear rack is inconvenient to install and adjust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming that prior art exists, propose design a simple structure, can strengthen the pipe fitting centre gripping centering mechanism of reliability and compactness between wheel and the rack.

The utility model provides a technical scheme that its technical problem adopted is:

a pipe clamping and centering mechanism comprises a mounting box and a driving device; the mounting box is internally provided with a gear and two groups of centering components which are centrosymmetrically distributed by taking the gear as a circle center; the gear is arranged on the inner wall of the mounting box; each group of centering components comprises a rack and a fixing piece; a placing groove is formed in one side, facing the gear, of the fixing piece, the rack is placed in the placing groove, one side of the rack is meshed with the gear, and the other side of the rack is connected with the inner wall of the placing groove through an elastic piece; the two driving devices are respectively connected with the first connecting pieces of the two centering assemblies, and the first connecting pieces and the fixing pieces are driven by the driving devices to do reciprocating motion, so that high synchronization between the two racks is realized, and the centering precision is improved. The utility model discloses in arranging the standing groove of mounting in with the rack, not only increased the stability of rack, still pass through elastic component and mounting inner wall connection with the rack, the elastic component keeps the tension that lasts, can strengthen reliability and compactness between wheel and the rack.

Furthermore, a first sliding groove parallel to the rack is formed in one side face of the mounting box, and the first connecting piece penetrates through the first sliding groove and can slide in the first sliding groove.

Furthermore, the driving device is installed on the outer wall of the installation box, the driving device can adopt an oil cylinder or an air cylinder and the like, and the output end of the driving device is connected with the end part of the first connecting piece.

Furthermore, the fixing part is further provided with a second connecting piece, the second connecting piece is used for being connected with a clamping device for clamping the pipe fitting, the pipe fitting is convenient to disassemble and assemble, and the two groups of centering assemblies respectively drive the clamping devices which are respectively connected to move, so that the pipe fitting is clamped.

Furthermore, a second sliding groove parallel to the rack is formed in the other side face of the mounting box, and the second connecting piece penetrates through the second sliding groove and can slide in the second sliding groove.

Further, the elastic element is a spring or a disc spring or an elastic gasket.

Further, the gear is installed on the mounting box inner wall through the mounting panel.

Further, the fixing piece is a cuboid or a cylinder and the like.

The technical effects of the utility model:

compared with the prior art, the pipe clamping and centering mechanism of the utility model has the advantages that through the matching design of the gear and the rack, the two racks are highly synchronous, and the centering precision is improved; the rack is placed in the placing groove of the fixing part, so that the stability of the rack is improved, the elastic part is arranged between the rack and the preventing groove, the elastic part keeps continuous tension, the distance between the rack and the gear does not need to be manually adjusted, the reliability and the tightness between the gear and the rack can be kept, and the problem of poor meshing degree caused by abrasion between the gear and the rack is avoided; the utility model discloses all set up inside the mounting box gear and centering subassembly, set up corresponding spout in the mounting box and realize the slip that corresponds the connecting piece, the integrated level is high, the installation of being convenient for.

Drawings

FIG. 1 is a schematic structural view of a pipe clamping and centering mechanism (including an installation box) according to the present invention;

fig. 2 is another angle structure schematic diagram (including the mounting box) of the pipe clamping and centering mechanism of the present invention;

fig. 3 is a schematic structural view of the pipe clamping and centering mechanism (without a mounting box) of the present invention;

fig. 4 is a schematic view of the fixing member of the present invention.

In the figure, a mounting box 1, a gear 2, a rack 3, a fixing piece 4, a first connecting piece 5, a placing groove 6, an elastic piece 7, a driving device 8, a first sliding groove 9, a second connecting piece 10, a second sliding groove 11 and a mounting plate 12 are arranged.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the specification.

Example 1:

as shown in fig. 1-2, the pipe clamping and centering mechanism according to the present embodiment includes a mounting box 1, a gear 2, a centering assembly and a driving device 8; two driving devices 8 are arranged, each driving device adopts an air cylinder and is installed on the outer wall of the installation box 1, and the gear 2 is installed on the inner wall of the installation box 1 through an installation plate 12; the centering components are arranged in two groups and are distributed in a centrosymmetric manner by taking the gear 2 as a circle center.

As shown in fig. 3 and 4, each set of centering assemblies comprises a rack 3 and a fixing piece 4; a placing groove 6 is formed in one side, facing the gear 2, of the fixing piece 4, the rack 3 is placed in the placing groove 6, one side of the rack is meshed with the gear 2, and the other side of the rack is connected with the inner wall of the placing groove 6 through an elastic piece 7; the elastic member 7 is a spring. The rack 3 is placed in the placing groove 6 of the fixing part 4, so that the stability of the rack 3 is improved, the rack 3 is connected with the inner wall of the fixing part 4 through the elastic part 7, the elastic part 7 keeps continuous tension, and the reliability and the tightness between the gear 2 and the rack 3 can be enhanced.

As shown in fig. 3 and 4, the fixing member 4 is a cylindrical structure, and a first connecting member 5 and a second connecting member 10 are respectively fixedly arranged on two sides of the placing groove 6 of the fixing member 4; the output ends of the two driving devices 8 are respectively connected with the first connecting pieces 5 of the two groups of centering components; the second connecting member 10 is used for connecting with a clamping device for clamping the pipe fitting, and the two sets of centering assemblies respectively drive the clamping devices connected with each other to move so as to clamp the pipe fitting.

As shown in fig. 1 and 2, a first sliding groove 9 parallel to the rack 3 is formed in one side surface of the mounting box 1, and the first connecting member 5 penetrates through the first sliding groove 9 and can slide in the first sliding groove 9; a second sliding groove 11 parallel to the rack 3 is formed in the other side surface of the mounting box 1, and the second connecting piece 10 penetrates through the second sliding groove 11 and can slide in the second sliding groove 11.

The working principle is as follows: the utility model discloses when using, through two sets of centering subassemblies of 8 synchronous drives of two sets of drive arrangement, drive the clamping device removal of connecting separately respectively through two sets of centering subassemblies respectively, realize the pipe fitting centre gripping. Specifically, the driving device 8 drives the first connecting piece 5 to move, so as to drive the fixing piece 4 provided with the rack 3 to move, and the fixing piece 4 drives the clamping devices connected with each other to move through the second connecting piece 10, so that a better clamping effect is achieved.

The above embodiments are only specific ones of the present invention, and the protection scope of the present invention includes but is not limited to the above embodiments, any changes or modifications properly made by those skilled in the art according to the claims of the present invention and the appended claims should fall within the protection scope of the present invention.

Claims

1. The utility model provides a pipe fitting centre gripping centering mechanism which characterized in that: comprises a mounting box (1) and a driving device (8); a gear (2) and two groups of centering components which are centrosymmetrically distributed by taking the gear (2) as a circle center are arranged in the mounting box (1); the gear (2) is arranged on the inner wall of the mounting box (1); each group of centering components comprises a rack (3) and a fixing piece (4); a placing groove (6) is formed in one side, facing the gear (2), of the fixing piece (4), the rack (3) is placed in the placing groove (6), one side of the rack is meshed with the gear (2), and the other side of the rack is connected with the inner wall of the placing groove (6) through an elastic piece (7); the fixing piece (4) is provided with first connecting pieces (5), and the number of the driving devices (8) is two, and the two driving devices are respectively connected with the first connecting pieces (5) of the two centering assemblies.

2. The tubular clamping and centering mechanism of claim 1, wherein: a first sliding groove (9) parallel to the rack (3) is formed in one side face of the mounting box (1), and the first connecting piece (5) penetrates through the first sliding groove (9) and can slide in the first sliding groove (9).

3. The tubular clamping and centering mechanism of claim 1, wherein: the driving device (8) is installed on the outer wall of the installation box (1).

4. The tubular clamping and centering mechanism of claim 1, wherein: the driving device (8) can adopt an oil cylinder or an air cylinder, and the output end of the driving device is connected with the end part of the first connecting piece (5).

5. The tubular gripping and centering mechanism of claim 1, wherein: the fixing piece (4) is also provided with a second connecting piece (10).

6. The tubular clamping and centering mechanism of claim 5, wherein: and a second sliding groove (11) parallel to the rack (3) is formed in the other side surface of the mounting box (1), and the second connecting piece (10) penetrates through the second sliding groove (11) and can slide in the second sliding groove (11).

7. The tubular clamping and centering mechanism of claim 1, wherein: the gear (2) is installed on the inner wall of the installation box (1) through the installation plate (12).

8. The tubular gripping and centering mechanism of claim 1, wherein: the fixing piece (4) is a cuboid or a cylinder.

9. The tubular gripping centering mechanism of any of claims 1-8, wherein: the elastic part (7) adopts a spring or a disc spring or an elastic gasket.