CN216911961U

CN216911961U - Rolling head for rolling external threads of pipes

Info

Publication number: CN216911961U
Application number: CN202220418957.8U
Authority: CN
Inventors: 林攀
Original assignee: Wenling Chaojing Tool Co ltd
Current assignee: Wenling Chaojing Tool Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-08
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a rolling head for rolling external threads of a pipe, which comprises a rolling head body and an end cover, wherein the outer side wall of the rolling head body is fixedly connected with a plurality of connecting plates, one side of the end cover is fixedly connected with a positioning plate corresponding to the connecting plates, the connecting plates are provided with positioning grooves, the positioning plates are slidably inserted in the positioning grooves, the outer side wall of each connecting plate is fixedly connected with a limiting plate, a fixing rod is slidably inserted on the limiting plate, the outer side wall of the positioning plate is provided with a fixing groove corresponding to the fixing rod, one end of the fixing rod is fixedly sleeved with an anti-drop block, a first spring is sleeved on the fixing rod, the two ends of the first spring are respectively and fixedly connected with the limiting plate and the anti-drop block, the rolling head for rolling external threads of the pipe can be convenient to disassemble and assemble the end cover through a clamping assembly, so that the internal assembly of the rolling head body can be more conveniently overhauled in the later period, is suitable for popularization and application.

Description

Rolling head for rolling external threads of pipes

Technical Field

The utility model relates to the field of related products of rolling processing, in particular to a rolling head for rolling external threads of a pipe.

Background

Each set of cutting tool of the rolling head of the external thread consists of three rolling heads. Each rolling head has three rolling shafts, each shaft is provided with a rolling wheel, one end of the rolling wheel is provided with a gasket, and the rolling wheel is pressed by a screw. When the screw thread is machined, the roller of the rolling tool is in a contracted state, when the required length of the screw thread is machined, the axial movement of the rolling tool and the part is stopped (1-2 seconds), at the moment, the part is still in a rotating state, and when the rolling tool is subjected to spiral torsion, the roller is separated from the external diameter of the screw thread of the part and is expanded, so that the machining of the screw thread is completed, and the screw thread machining tool is suitable for the non-cutting machining of various screw threads.

But current rolling head is installed the end cover usually and is carried out the inside subassembly protection, and the end cover is fixed comparatively loaded down with trivial details of dismouting when later stage is overhauld through the screw usually, needs the instrument dismouting, has certain defect nature.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a rolling head for rolling external threads of pipes that solves the problems set out in the background art mentioned above.

In order to achieve the purpose, the utility model provides the following technical scheme: a rolling head for rolling pipe external screw thread, including rolling head body and end cover, a plurality of connecting plates of fixedly connected with on the lateral wall of rolling head body, the locating plate that one side fixedly connected with and the connecting plate of end cover correspond, be equipped with the constant head tank on the connecting plate, the locating plate sliding plug is established in the constant head tank, fixedly connected with limiting plate on the lateral wall of connecting plate, sliding plug is equipped with the dead lever on the limiting plate, be equipped with the fixed slot that corresponds with the dead lever on the lateral wall of locating plate, the fixed termination in one end of dead lever has the anticreep piece, first spring has been cup jointed on the dead lever, the both ends of first spring respectively with limiting plate and anticreep piece fixed connection.

Preferably, a pressing plate is arranged in the positioning groove, and a plurality of second springs are fixedly connected between one side of the pressing plate and the positioning groove.

Preferably, one end of the fixing rod, which is far away from the anti-falling block, is fixedly connected with a pull rod.

Preferably, one end of the positioning plate, which is located in the positioning groove, is fixedly connected with a non-slip mat, and the non-slip mat is made of rubber.

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

this a rolling head for rolling pipe external screw thread can be convenient for the dismouting of end cover through the joint subassembly to it is more convenient to make the later stage overhaul rolling head body internal component, is fit for using widely.

Drawings

FIG. 1 is a schematic structural view of a rolling head of the present invention for rolling external threads of pipes;

fig. 2 is an enlarged view at a of the rolling head for rolling external threads of pipes according to the present invention.

In the figure: 1. a rolling head body; 2. an end cap; 3. a connecting plate; 4. positioning a plate; 5. a limiting plate; 6. fixing the rod; 7. an anti-drop block; 8. a first spring; 9. pressing the plate; 10. a second spring; 11. a pull rod; 12. a non-slip mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, an embodiment of the present invention is shown: a rolling head for rolling external threads of a pipe comprises a rolling head body 1 and an end cover 2, a plurality of connecting plates 3 are fixedly connected to the outer side wall of the rolling head body 1, a positioning plate 4 corresponding to the connecting plates 3 is fixedly connected to one side of the end cover 2, positioning grooves are formed in the connecting plates 3, the positioning plate 4 is slidably inserted into the positioning grooves, a limiting plate 5 is fixedly connected to the outer side wall of the connecting plate 3, a fixing rod 6 is slidably inserted into the limiting plate 5, a fixing groove corresponding to the fixing rod 6 is formed in the outer side wall of the positioning plate 4, an anti-falling block 7 is fixedly sleeved at one end of the fixing rod 6, a first spring 8 is sleeved on the fixing rod 6, two ends of the first spring 8 are respectively and fixedly connected with the limiting plate 5 and the anti-falling block 7, specifically, the end cover 2 is clamped at one end of the rolling head body 1, the positioning plate 4 arranged on the end cover 2 is inserted into the positioning grooves in the connecting plates 3, and then the fixing rod 6 on the sliding limiting plate 5 is inserted into the fixing groove on the positioning plate 4 to fix the positioning plate 4 in the positioning groove. Install in the fixed slot can be gone into to fixed automatic the card by the effect of self resilience force at anticreep piece 7 one side first spring 8.

In the embodiment, a pressing plate 9 is arranged in the positioning groove, a plurality of second springs 10 are fixedly connected between one side of the pressing plate 9 and the positioning groove, and the pressing plate 9 is pressed against the positioning plate 4 by using the resilience force of the second springs 10, so that the fixing rod 6 is higher in stability in the fixing groove; one end of the fixed rod 6, which is far away from the anti-falling block 7, is fixedly connected with a pull rod 11, so that the fixed rod 6 can be pulled conveniently; the locating plate 4 is located one of constant head tank on one end fixedly connected with slipmat 12, and slipmat 12 material is rubber, increases the cushion effect when supporting and pressing.

The working principle is as follows: establish one of rolling head body 1 through the card with end cover 2, install this moment in locating plate 4 on end cover 2 inserts the constant head tank on connecting plate 3, realize the fixed of locating plate 4 in the constant head tank in the fixed slot that dead lever 6 on the limiting plate that slides 5 inserts on locating plate 4 afterwards. Install and to utilize the effect of self resilience power can be convenient for fixed automatic card to go into in the fixed slot at anticreep piece 7 one side first spring 8.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A rolling head for rolling pipe external screw thread, including rolling head body (1) and end cover (2), its characterized in that: the utility model discloses a rolling head, including rolling head body (1), locating plate (4) that fixedly connected with is gone up to the lateral wall of rolling head body (1) a plurality of connecting plates (3), one side fixedly connected with of end cover (2) corresponds with connecting plate (3), be equipped with the constant head tank on connecting plate (3), locating plate (4) slide and insert and establish in the constant head tank, fixedly connected with limiting plate (5) on the lateral wall of connecting plate (3), slide and insert on limiting plate (5) and be equipped with dead lever (6), be equipped with the fixed slot that corresponds with dead lever (6) on the lateral wall of locating plate (4), the fixed cover of one end of dead lever (6) has cup jointed anticreep piece (7), first spring (8) have been cup jointed on dead lever (6), the both ends of first spring (8) respectively with limiting plate (5) and anticreep piece (7) fixed connection.

2. A roller head for rolling external threads of pipes according to claim 1, characterized in that: a pressing plate (9) is arranged in the positioning groove, and a plurality of second springs (10) are fixedly connected between one side of the pressing plate (9) and the positioning groove.

3. A roller head for rolling external threads of pipes according to claim 1, characterized in that: one end of the fixing rod (6) far away from the anti-falling block (7) is fixedly connected with a pull rod (11).

4. A roller head for rolling external threads of pipes according to claim 1, characterized in that: one end of the positioning plate (4) located in the positioning groove is fixedly connected with an anti-slip pad (12), and the anti-slip pad (12) is made of rubber.