CN219542210U

CN219542210U - Diagonal knurling tool for processing special-shaped tube

Info

Publication number: CN219542210U
Application number: CN202320244507.6U
Authority: CN
Inventors: 周波
Original assignee: Tianjin Expanding Machinery Engineering Co ltd
Current assignee: Tianjin Expanding Machinery Engineering Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-08-18
Anticipated expiration: 2033-02-17

Abstract

The utility model belongs to the technical field of knurling tools, in particular to a diagonal knurling tool for machining special pipes, which comprises a tool rest and a tool bit, wherein one side of the tool rest is provided with a mounting groove, one side of the tool bit is fixedly provided with a connecting block, the connecting block is provided with an angle adjusting structure, an extrusion knurling wheel is arranged in the tool bit, connecting rods are fixedly arranged on two sides of the extrusion knurling wheel, a bearing is sleeved on the connecting rods, a hoop is arranged outside the bearing, the angle adjusting structure comprises two rotating shafts, one ends, close to each other, of the rotating shafts are fixedly connected with the connecting block, one ends, far away from each other, of the rotating shafts are respectively movably connected with the inner wall of the mounting groove, and threaded rods are movably arranged on the inner walls of the two sides of the mounting groove.

Description

Diagonal knurling tool for processing special-shaped tube

Technical Field

The utility model relates to the technical field of knurling tools, in particular to a diagonal knurling tool for machining special pipes.

Background

The special-shaped pipe is a general name of seamless steel pipes with other cross-sectional shapes except round pipes, and in the process of producing the special-shaped pipe with external twills, the surface cutting edge of the twill knurling tool is contacted with the surface of the pipe, and diagonal streak lines are formed on the surface of the pipe through extrusion.

However, in the prior art, the knurling wheel and the tool bit are fixedly installed, the knurling wheel is damaged, the tool bit is required to be replaced integrally, the cost is high, the angle of the tool bit is not adjustable, the embossing angle is limited, and therefore, the special-shaped tube processing twill knurling tool is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a diagonal knurling tool for processing a special pipe.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a special-shaped tube processing is with twill knurling tool, includes knife rest and tool bit, one side of knife rest is equipped with the mounting groove, one side of tool bit is fixed to be equipped with the connecting block, be equipped with angle adjusting structure on the connecting block, be equipped with extrusion knurl wheel in the tool bit, the both sides of extrusion knurl wheel are all fixed and are equipped with the connecting rod, the cover is equipped with the bearing on the connecting rod, the outside of bearing is equipped with the hoop.

Preferably, the angle adjusting structure comprises two rotating shafts, one end, close to each other, of each rotating shaft is fixedly connected with the connecting block, two one end, far away from each other, of each rotating shaft is movably connected with the inner wall of the mounting groove respectively, threaded rods are movably arranged on the inner walls of the two sides of the mounting groove, and two one ends, far away from each other, of each threaded rod penetrate through the inner wall of the mounting groove and are fixedly provided with rotating handles.

Preferably, a plurality of positioning holes are formed in two sides of the connecting block, and the positioning holes are matched with the threaded rod.

Preferably, two threaded holes are formed in the inclined planes of the hoop and the cutter head, the hoop is attached to the inclined plane of the cutter head, and the hoop is clamped on the bearing.

Preferably, an anti-slip sleeve is arranged on the outer ring of the rotating handle, a bulge is arranged on the anti-slip sleeve, and the anti-slip sleeve is made of rubber.

Preferably, the both sides inner wall of mounting groove all is equipped with the round hole, and the round hole inner wall is equipped with the screw thread, the threaded rod runs through the round hole, and threaded rod and round hole inner wall screw thread looks adaptation.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the detachable hoop is arranged on the inclined plane of the cutter head, when the extrusion knurling wheel needs to be replaced, the hoop is taken down, so that the knurling wheel can be detached and replaced, the whole cutter head is not required to be replaced, and the use cost is reduced;

according to the utility model, the angle adjusting structure is arranged, so that the angle adjustment of the cutter head is completed under the condition that the special pipe cannot be adjusted, the diagonal processing of different angles can be satisfied, and the special pipe is more practical.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a hoop according to the present utility model;

FIG. 4 is a schematic illustration of the front cross-section of the present utility model;

in the figure: 1. a tool holder; 2. a cutter head; 3. a mounting groove; 4. a connecting block; 5. an angle adjusting structure; 501. a rotating shaft; 502. positioning holes; 503. a threaded rod; 504. a rotating handle; 6. extruding the knurling wheel; 7. a connecting rod; 8. a bearing; 9. a hoop; 10. and (3) a threaded hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, the present utility model provides a technical solution: the special-shaped tube processing diagonal knurling tool comprises a tool rest 1 and a tool bit 2, wherein an installation groove is formed in the inclined surface of the tool bit 2, an installation groove 3 is formed in one side of the tool rest 1, a connecting block 4 is welded on one side of the tool bit 2, an angle adjusting structure 5 is arranged on the connecting block 4, an extrusion knurling wheel 6 is arranged in the tool bit 2, connecting rods 7 are welded on two sides of the extrusion knurling wheel 6, a bearing 8 is sleeved on the connecting rods 7, the bearing 8 is attached to the inner wall of the installation groove on the inclined surface of the tool bit 2, a hoop 9 is clamped on the outer ring of the bearing 8, and the hoop 9 is installed through an inner hexagonal bolt and the inclined surface of the tool bit 2;

the angle adjusting structure 5 includes two pivots 501, the one end that pivot 501 is close to all welds with connecting block 4, the one end that two pivots 501 kept away from mutually rotates with the inner wall of mounting groove 3 respectively and is connected, equal screw thread installs threaded rod 503 on the both sides inner wall of mounting groove 3, the one end that two threaded rods 503 kept away from mutually all runs through the inner wall of mounting groove 3 and welds and have rotation handle 504, the outer lane of rotation handle 504 is equipped with the antiskid cover, be equipped with the arch on the antiskid cover, the antiskid cover is made by rubber, the both sides of connecting block 4 all are equipped with a plurality of locating holes 502, locating hole 502 and threaded rod 503 looks adaptation, all be equipped with two screw holes 10 on the inclined plane of hoop 9 and tool bit 2, hoop 9 and tool bit 2's inclined plane laminating, and hoop 9 card is established on bearing 8, all be equipped with the round hole on the both sides inner wall of mounting groove 3, the round hole inner wall is equipped with the screw thread, threaded rod 503 runs through the round hole, and round hole 503 and round hole inner wall screw thread looks adaptation.

Working principle: when the special pipe is machined and the angle of the tool bit 2 needs to be adjusted, the two rotating handles 504 are rotated anticlockwise at first, the rotating handles 504 drive the threaded rod 503 again, after the threaded rod 503 breaks away from the positioning hole 502 on one side of the connecting block 4, the tool bit 2 is rotated, the tool bit 2 drives the connecting block 4, the connecting block 4 rotates by taking the two rotating shafts 501 as supporting points, after the angle of the tool bit 2 is adjusted to a proper angle, the two rotating handles 504 are rotated in the opposite direction again, the rotating handles 504 drive the two threaded rods 503 again, after the threaded rods 503 are inserted into the positioning hole 502, the connecting block 4 is fixed, thereby positioning the tool bit 2 and the knurling wheel, when the angle of the special pipe cannot be adjusted, the angle of the tool bit 2 can be adjusted, the knurling wheel is finished according to the requirement, the inner hexagon screw on the ferrule 9 is removed, then the ferrule 9 is removed, the ferrule is separated from the inclined plane of the tool bit 2, then the bearing and the knurling wheel 6 are taken out integrally, the tool bit 2 is not required to be replaced, and the use cost is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special-shaped tube processing is with twill knurling tool, includes knife rest (1) and tool bit (2), its characterized in that: one side of knife rest (1) is equipped with mounting groove (3), one side of tool bit (2) is fixed to be equipped with connecting block (4), be equipped with angle adjusting structure (5) on connecting block (4), be equipped with extrusion knurl wheel (6) in tool bit (2), all fixed connecting rod (7) that are equipped with in both sides of extrusion knurl wheel (6), the cover is equipped with bearing (8) on connecting rod (7), the outside of bearing (8) is equipped with hoop (9).

2. The diagonal knurling tool for processing a special pipe according to claim 1, wherein: the angle adjusting structure (5) comprises two rotating shafts (501), one ends, close to each other, of the rotating shafts (501) are fixedly connected with the connecting blocks (4), two ends, far away from each other, of the rotating shafts (501) are respectively movably connected with the inner walls of the mounting grooves (3), threaded rods (503) are movably arranged on the inner walls of the two sides of the mounting grooves (3), and two ends, far away from each other, of the threaded rods (503) are respectively penetrated through the inner walls of the mounting grooves (3) and fixedly provided with rotating handles (504).

3. The diagonal knurling tool for processing a special pipe according to claim 2, wherein: both sides of the connecting block (4) are provided with a plurality of positioning holes (502), and the positioning holes (502) are matched with the threaded rods (503).

4. The diagonal knurling tool for processing a special pipe according to claim 1, wherein: two threaded holes (10) are formed in the inclined planes of the hoop (9) and the cutter head (2), the hoop (9) is attached to the inclined plane of the cutter head (2), and the hoop (9) is clamped on the bearing (8).

5. The diagonal knurling tool for processing a special pipe according to claim 2, wherein: an anti-skid sleeve is arranged on the outer ring of the rotating handle (504), a bulge is arranged on the anti-skid sleeve, and the anti-skid sleeve is made of rubber.

6. The diagonal knurling tool for processing a special pipe according to claim 2, wherein: round holes are formed in the inner walls of the two sides of the mounting groove (3), threads are formed in the inner walls of the round holes, the threaded rod (503) penetrates through the round holes, and the threaded rod (503) is matched with the threads of the inner walls of the round holes.