CN214489699U

CN214489699U - Fixing device for processing groove of U-shaped pipe

Info

Publication number: CN214489699U
Application number: CN202120029045.7U
Authority: CN
Inventors: 钟波; 王兴雷
Original assignee: Qingdao Npa Industry Co ltd
Current assignee: Qingdao Npa Industry Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-10-26
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a fixing device for processing of U type pipe groove, including bottom plate, height adjusting device, locating pin, T type groove, closing device and scalable positioner, the top installation height adjusting device of bottom plate, the scalable positioner of bottom plate installation, scalable positioner includes fixing device, coaster, telescopic link, reversal device installs the both ends at the telescopic link, coaster is equipped with T type slider, the back of bottom plate is equipped with T type groove, T type slider is located T type inslot, slides in T type inslot through T type slider, and it is flexible to drive the telescopic link, simple structure, low in production cost, and production efficiency is high.

Description

Fixing device for processing groove of U-shaped pipe

Technical Field

The utility model belongs to the technical field of U type pipe processing, concretely relates to a fixing device for U type pipe groove preparation.

Background

In the traditional processing of the U-shaped pipe groove, because of bending deviation, the radius and the straight edge of each pipe are different, so that the processing needs to be carried out in two steps:

1. the bent pipe is transferred to a bench worker by a travelling crane, the bench worker lines the pipe orifices at the two ends of the U-shaped pipe on a platform, the line drawn by the bench worker is aligned by a gantry milling machine or a horizontal milling machine, meanwhile, a positioning tool is manufactured at the straight edge position of the pipeline, the pipeline is compressed, the end face is machined, and the distance from the end face to the highest point of the U-shaped pipe is ensured, namely the total height. As the radiuses of the bent U-shaped pipes are different, a plurality of positioning tools are required to meet the machining requirement.

2. And transferring the pipe with the determined total height to a numerical control horizontal boring and milling machine by using a travelling crane, aligning the workpiece by using the processed end face, and processing the groove by taking the inner hole as a standard. Sometimes, due to the limitation of a machine tool workbench, two grooves cannot be machined simultaneously, so that a finished product can be obtained only by means of auxiliary alignment of the turning rule, wherein one end is machined firstly and then the other end is aligned and machined by the aid of the turning rule.

The processing mode of traditional U type pipe groove, the flow is many, transports many, and the clamping number of times is many, and this process is wasted time and energy.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem that exists in the prior art, the utility model aims to provide a fixing device for U type pipe groove preparation, simple structure, production efficiency is high.

The utility model provides a fixing device for processing of U type pipe groove, including bottom plate, height adjusting device, locating pin, T type groove, closing device and scalable positioner, the top installation height adjusting device of bottom plate, the scalable positioner of bottom plate installation, scalable positioner includes fixing device, coaster, telescopic link, reversing device, the both ends at the telescopic link are installed to the reversing device, the coaster is equipped with T type slider, the back of bottom plate is equipped with T type groove, T type slider is located T type inslot, slides in T type inslot through T type slider, and it is flexible to drive the telescopic link.

The telescopic link includes interior loop bar and outer loop bar, fixing device installs on outer loop bar, the skating device is installed on interior loop bar.

The upper bottom edge of the bottom plate is narrower than the lower bottom edge of the bottom plate, two side edges of the lower half part of the bottom plate are right-angle edges, and two side edges of the upper half part of the bottom plate are bevel edges.

And positioning pins are arranged on the inner sides of two right-angle sides of the lower half part of the bottom plate.

The back of the bottom plate is provided with two parallel inwards-sunken T-shaped grooves.

And the back surface of the bottom plate is provided with a pressing device below the T-shaped groove.

The height adjusting device comprises a positioning plate, a screw rod and a movable positioning pin, a threaded hole is formed in the middle of the positioning plate, the screw rod is installed in the threaded hole, pin holes are formed in the two sides of the positioning plate, and the movable positioning pin is installed in the pin holes.

The utility model provides a fixing device for processing of U type pipe groove, its beneficial effect lies in, through setting up height-adjusting device, scalable positioner realize adjustable characteristic, can be to different specifications and curved system radius U type pipe alignment, fixed, satisfy once after the alignment, the production requirement of two processes of flat end face fixed total height and processing groove, also can guarantee the machining precision better simultaneously, do not need the bench worker to rule and avoid unnecessary transportation, save the cost, reduce artifical intensity of labour, convenient to use, production efficiency is high; the utility model discloses simple structure, the maintenance is convenient for change in the part damage, can draw materials on the spot and just can accomplish processing through simple machining.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of a retractable positioning device;

FIG. 3 is a schematic view of the height adjustment mechanism;

the figure is marked with:

1. a base plate; 2. positioning pins; 3. a retractable positioning device; 3-3, a telescopic rod; 3-2, a sliding device; 3-1, fixing device; 3-4. a reversing device; 4, a T-shaped groove; 5. a height adjustment device; 5-1, positioning a plate; 5-2, a movable positioning pin; 5-3. screw; 6. a pressing device; and 7. a U-shaped pipe.

Detailed Description

The following describes the fixing device for U-shaped tube groove machining according to the present invention in detail with reference to the accompanying drawings.

Examples

Referring to fig. 1-3, the fixing device for groove processing of a U-shaped tube in this embodiment includes a bottom plate 1, a height adjusting device 5, a positioning pin 2, a T-shaped groove 4, a pressing device 6, and a telescopic positioning device 3, where the height adjusting device 5 is installed on the top of the bottom plate 1, the telescopic positioning device 3 is installed on the bottom of the bottom plate 1, the telescopic positioning device 3 includes a fixing device 3-1, a sliding device 3-2, a telescopic rod 3-3, and a reversing device 3-4, the reversing device 3-4 is installed at two ends of the telescopic rod 3-3, the reversing device 3-4 can realize 90-degree reverse rotation, the sliding device 3-2 is provided with a T-shaped slider, the back of the bottom plate 1 is provided with the T-shaped groove 4, the T-shaped slider is located in the T-shaped groove 4 and slides in the T-shaped groove 4 through the T-shaped slider, driving the telescopic rods 3-3 to extend.

The telescopic rod 3-3 comprises an inner loop bar and an outer loop bar, the fixing device 3-1 is installed on the outer loop bar, and the sliding device 3-2 is installed on the inner loop bar.

The upper bottom edge of the bottom plate 1 is narrower than the lower bottom edge, two side edges of the lower half part of the bottom plate are right-angle edges, and two side edges of the upper half part of the bottom plate are bevel edges.

And positioning pins 2 are arranged on the inner sides of two right-angle sides of the lower half part of the bottom plate 1.

The back of the bottom plate 1 is provided with two parallel inwards-sunken T-shaped grooves 4.

And a pressing device 6 is arranged below the T-shaped groove 4 on the back surface of the bottom plate 1.

The height adjusting device 5 comprises a positioning plate 5-1, a screw rod 5-3 and a movable positioning pin 5-2, a threaded hole is formed in the middle of the positioning plate 5-1, the screw rod 5-3 is installed in the threaded hole, pin holes are formed in two sides of the positioning plate 5-1, and the movable positioning pin 5-2 is installed in the pin holes.

When in use, the specific operation is as follows:

1. preparation work:

firstly, confirming that the reversing device 3-4 and the telescopic rod 3-3 are kept in a horizontal state;

secondly, the screw 5-3 is rotated to keep a certain distance between the positioning plate 5-1 and the bottom plate 1.

2. Clamping the U-shaped pipe:

firstly, simply positioning a U-shaped pipe 7 through a positioning pin 2, a reversing device 3-4 and a telescopic rod 3-3, fitting the end surface to be processed of the U-shaped pipe 7 with the surface of the reversing device 3-4 and the telescopic rod 3-3, and contacting the side cylindrical surface of the U-shaped pipe 7 with the positioning pin 2 to complete positioning work;

rotating the screw rod 5-3 to enable the positioning plate 5-1 to be in contact with the U-shaped pipe 7, and aligning the U-shaped pipe;

and thirdly, the U-shaped pipe 7 is compressed through the compressing device 6.

And fourthly, after clamping and pressing are finished, rotating the reversing device 3-4, shortening the telescopic rod 3-3, reserving a processing position and avoiding interference to a cutter during processing.

3. Processing:

after all the preparation and clamping work is finished, the total height can be quickly measured by processing the flat end face, and finally, the groove is processed.

Can be according to actual pipeline radius size and pipeline diameter, adjustment closing device, scalable positioner, high adjusting device satisfy the processing demand.

Claims

1. The utility model provides a fixing device for U type pipe groove preparation which characterized in that: including bottom plate, height adjusting device, locating pin, T type groove, closing device and scalable positioner, the top mounting height adjusting device of bottom plate, the scalable positioner of bottom installation of bottom plate, scalable positioner includes fixing device, sliding device, telescopic link, reversing device installs the both ends at the telescopic link, sliding device is equipped with T type slider, the back of bottom plate is equipped with T type groove, T type slider is located T type inslot.

2. The fixing device for the beveling of U-shaped tubes according to claim 1, wherein: the upper bottom edge of the bottom plate is narrower than the lower bottom edge of the bottom plate, two side edges of the lower half part of the bottom plate are right-angle edges, and two side edges of the upper half part of the bottom plate are bevel edges.

3. The fixing device for the beveling of U-shaped tubes according to claim 2, wherein: and positioning pins are arranged on the inner sides of two right-angle sides of the lower half part of the bottom plate.

4. The fixing device for the beveling of U-shaped tubes according to claim 1, wherein: the back of the bottom plate is provided with two parallel inwards-sunken T-shaped grooves.

5. The fixing device for the beveling of U-shaped tubes according to claim 1, wherein: and the back surface of the bottom plate is provided with a pressing device below the T-shaped groove.

6. The fixing device for the beveling of U-shaped tubes according to claim 1, wherein: the height adjusting device comprises a positioning plate, a screw rod and a movable positioning pin, a threaded hole is formed in the middle of the positioning plate, the screw rod is installed in the threaded hole, pin holes are formed in the two sides of the positioning plate, and the movable positioning pin is installed in the pin holes.