CN214919860U

CN214919860U - Pipe fitting end pipe contracting and grooving die

Info

Publication number: CN214919860U
Application number: CN202120836815.9U
Authority: CN
Inventors: 李信彬; 余建芳
Original assignee: Fuzhou Noble Fuji Mechanical And Electrical Ltd
Current assignee: Fuzhou Noble Fuji Mechanical And Electrical Ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-30
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a pipe fitting end pipe contracting and grooving die, which comprises a fixed seat, a die body and a fixed part, wherein the die body is arranged on one side of the fixed seat and used for installing a grooving cutter, and comprises an upper die base and a lower die base, wherein the lower die base is far away from one side of the upper die base and is connected with a sliding seat; the fixing piece is arranged on one side of the die body, which is far away from the fixing seat, and is used for fixing the positions of the grooving tool in the upper die holder and the lower die holder and improving the connection stability of the upper die holder and the lower die holder; the utility model discloses design according to current demand, the dismouting of being convenient for, maintenance when conveniently using, can dismantle the change to it when or single part damages, the holistic life of extension mould, and the dismouting to the blade of easy wearing and tearing is comparatively convenient, improves the mould practicality.

Description

Pipe fitting end pipe contracting and grooving die

Technical Field

The utility model relates to a pipe fitting processing technology field specifically is terminal draw groove mould of pipe fitting.

Background

The existing butt joint of the tail end of the pipeline comprises: 1. the pipe fitting and the joint are in lap joint and argon welding fixation; 2. the pipe fitting is tightly matched and pressed in the joint. Because the clearance is matched with the argon welding process, the phenomenon of capillary holes exists after argon welding, and the leakage risk exists, so the method is rarely applied to actual products, and the latter tight-fit press-in process is selected more. The pipe end is pressed and assembled without any processing treatment in the tight-fit pressing-in process, and the problems that the pipe fitting is not tightly pressed and assembled or the pipe fitting is not pressed and assembled in the manufacturing process because the tolerance of the outer diameter of the pipe fitting has large deviation, and the like exist, so that the manufacturing end is troubled.

However, in the subsequent production process, the situation that some parts can still pass through air tightness and have insufficient strength without brazing welding in the next process is found, so that great hidden danger is left for the product, and therefore the hidden danger is blocked by the pipe end shrinkage and cutting groove process. In the pipe fitting end pipe reducing and dividing groove, a pipe reducing and dividing groove die is required to be connected to a stamping part on an end machine, most of the existing dies are pipe reducing dies or single forming dies, and the pipe fitting end pipe reducing and dividing groove die needs to be integrally replaced when damaged and is inconvenient to use. Therefore, the utility model provides a terminal draw cut groove mould of pipe fitting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a terminal draw cut groove mould of pipe fitting to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the pipe fitting tail end pipe contracting and grooving die comprises a fixed seat, a die body and a fixed piece, wherein the die body is arranged on one side of the fixed seat and used for mounting a grooving cutter and comprises an upper die holder and a lower die holder, and one side, far away from the upper die holder, of the lower die holder is connected with a sliding seat;

the fixing piece is arranged on one side, far away from the fixing base, of the die body and used for fixing the position of the grooving cutter in the upper die base and the lower die base and improving the connection stability of the upper die base and the lower die base.

Preferably, the outer walls of one sides of the upper die base and the lower die base, which are close to the fixing base, are connected with two sets of mounting plates which are symmetrically arranged, holes are formed in the mounting plates, and fixing holes corresponding to the holes are formed in the fixing base.

Preferably, the grooving tool comprises a blade and a tool apron fixedly connected with the blade, the blade and the tool apron are integrally formed, two ends of the blade are obliquely arranged, and a rubber pad is connected to the outer wall of the tool apron.

Preferably, the middle parts of the inner walls of the upper die holder and the lower die holder are respectively provided with a T-shaped groove matched and butted with the tool apron, the sections of the upper die holder and the lower die holder are respectively semicircular, and the outer walls of the upper die holder and the lower die holder close to one side are respectively connected with a butting plate.

Preferably, the inner wall of one end of the T-shaped groove, which is far away from the fixing piece, is connected with a shock pad.

Preferably, the mounting includes the cover ring, the terminal surface that the fixing base was kept away from to cover ring and upper die base and die holder cooperatees, one side that the cover ring is close to the mould body is equipped with the T type stopper with two sets of T type groove matched with joint, the cover ring both sides all are connected with two sets of locating plates, lie in two sets of butt-joint plates of joint between two sets of locating plates with one side, be equipped with the perforation on the locating plate, the butt-joint plate is close to locating plate one end and is equipped with and perforates the complex locating hole.

Preferably, the fixing base includes first face and second face, be connected with the even spring that sets up of a plurality of groups between first face and the second face, the stamping workpiece on the first face contact tip machine, be equipped with a plurality of through-holes on the fixing base for fix the fixing base on the stamping workpiece with the bolt cooperation.

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

the utility model discloses a mould dismouting of being convenient for, maintenance when conveniently using, or can dismantle it when single part damages and change, the holistic life of extension mould, and the dismouting to the blade of easy wearing and tearing is comparatively convenient, can install on the stamping workpiece of end machine when the mould uses, fixes the pipe fitting on the end machine, and later stamping workpiece can drive the utility model provides a mould carries out the draw groove to the pipe fitting.

Drawings

FIG. 1 is a schematic structural diagram of a pipe end pipe shrinking and notching die.

FIG. 2 is a schematic view of a disassembled structure of the pipe end shrinking and cutting groove mold.

FIG. 3 is a schematic diagram of the structure of the upper die holder and the lower die holder in the pipe end necking and grooving die.

FIG. 4 is a schematic view of the structure of the fixing member in the pipe end shrinking and scoring die.

Fig. 5 is a schematic structural diagram of the pipe fitting after the end is grooved.

In the figure: 11-a fixed seat, 12-a fixed hole, 13-a mounting plate, 14-an upper die holder, 15-a lower die holder, 16-a sliding seat, 17-a blade, 18-a cover ring, 19-a tool holder, 20-a T-shaped groove, 21-an abutting plate, 22-a positioning hole, 23-a positioning plate and 24-a T-shaped limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in the embodiment of the present invention, the pipe end necking and grooving mold includes a fixing seat 11, a mold body and a fixing member, wherein the mold body is disposed on one side of the fixing seat 11 and used for mounting a grooving tool, and includes an upper mold seat 14 and a lower mold seat 15, and one side of the lower mold seat 15 away from the upper mold seat 14 is connected to a slide 16;

the fixing part is arranged on one side, far away from the fixing seat 11, of the die body and used for fixing the positions of the grooving tool in the upper die holder 14 and the lower die holder 15 and improving the connection stability of the upper die holder 14 and the lower die holder 15.

The outer walls of the upper die holder 14 and the lower die holder 15 close to one side of the fixed seat 11 are both connected with two groups of symmetrically arranged mounting plates 13, holes are formed in the mounting plates 13, and fixing holes 12 corresponding to the holes are formed in the fixed seat 11; in actual use, the upper die holder 14 and the lower die holder 15 can be fixed to the fixing base 11 by using bolts corresponding to the holes of the mounting plate 13.

The grooving cutter comprises a blade 17 and a cutter holder 19 fixedly connected with the blade 17, the blade 17 and the cutter holder 19 are integrally formed, two ends of the blade 17 are obliquely arranged, and the outer wall of the cutter holder 19 is connected with a rubber pad; the middle parts of the inner walls of the upper die holder 14 and the lower die holder 15 are respectively provided with a T-shaped groove 20 matched and butted with the tool apron 19, the inner wall of one end, away from the fixing piece, of the T-shaped groove 20 is connected with a shock pad, the sections of the upper die holder 14 and the lower die holder 15 are respectively semicircular, and the outer walls of one sides, close to the upper die holder 14 and the lower die holder 15, of the upper die holder 14 and the lower die holder 15 are respectively connected with a butt joint plate 21; in practical use, the tool apron 19 can be butted in the T-shaped groove 20, namely the blade 17 is fixed, then the blade 17 can be fixed by using a fixing piece, and the two ends of the blade 17 are obliquely arranged, so that impact force applied to the pipe fitting when the blade 17 scratches the groove can be reduced, and abrasion of the blade 17 is reduced.

The fixing piece comprises a cover ring 18, the cover ring 18 is matched with the end faces, far away from the fixing seat 11, of the upper die holder 14 and the lower die holder 15, a T-shaped limiting block 24 matched and clamped with the two groups of T-shaped grooves 20 is arranged on one side, close to the die body, of the cover ring 18, two groups of positioning plates 23 are connected to two sides of the cover ring 18, two groups of butt plates 21 are clamped between the two groups of positioning plates 23 on the same side, through holes are formed in the positioning plates 23, and positioning holes 22 matched with the through holes are formed in one ends, close to the positioning plates 23, of the butt plates 21; after the blade 17 is installed, the cover ring 18 can be butted on the plate surfaces of one sides of the upper die holder 14 and the lower die holder 15, the T-shaped limiting block 24 is clamped in the T-shaped groove 20, so that the position of the knife holder 19 is fixed, meanwhile, the positioning plate 23 can be butted on the butt joint plate 21, the positioning plate 23 can be fixedly connected with the butt joint plate 21 by using bolts, and the butt joint plate 21 on the same side of the upper die holder 14 and the lower die holder 15 is fixedly connected.

Fixing base 11 includes first face and second face, be connected with the spring that a plurality of groups evenly set up between first face and the second face, the stamping workpiece on first face contact tip machine, be equipped with a plurality of through-holes on fixing base 11 for fix fixing base 11 on the stamping workpiece with the bolt cooperation, the spring between first face and the second face can cushion the power of mould body when to the pipe fitting punching press, use and be convenient for fix fixing base 11 on the stamping workpiece of end machine with through-hole complex bolt.

The utility model discloses a theory of operation is: when the pipe fitting tail end pipe shrinking and grooving die is used, the tool apron 19 can be in butt joint with the T-shaped groove 20, namely the fixing of the blade 17 is completed, the cover ring 18 can be in butt joint with the plate surfaces on one sides of the upper die holder 14 and the lower die holder 15, the T-shaped limiting block 24 is in butt joint with the T-shaped groove 20, so that the position of the tool apron 19 is fixed, meanwhile, the positioning plate 23 can be in butt joint with the butt joint plate 21, the positioning plate 23 can be fixedly connected with the butt joint plate 21 by using bolts, the butt joint plate 21 on the same side of the upper die holder 14 and the lower die holder 15 is fixedly connected, the fixing seat 11 is fixed on a stamping part of an end machine, and the upper die holder 14 and the lower die holder 15 are fixed on the fixing seat 11 by using bolts corresponding to the upper hole of the mounting plate 13;

fixing the pipe fitting in a clamp of a terminal machine, clamping the pipe fitting, aligning the axis of the pipe fitting with the axis of a die body, driving the die to move by a stamping part, contacting the inner walls of an upper die base 14 and a lower die base 15 with the outer wall of the pipe fitting, contacting a blade 17 with the outer wall of the pipe fitting, shrinking and grooving the pipe fitting, resetting after the processing is finished, taking out the pipe fitting from the clamp, finishing the shrinking and grooving of the pipe fitting, and finishing the shrinking and grooving of the pipe fitting, wherein the pipe fitting after the shrinking and grooving is shown in fig. 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims

1. Pipe fitting end pipe contracting and dividing groove die comprises a fixing seat (11), a die body and a fixing part, and is characterized in that:

the die body is arranged on one side of the fixed seat (11), is used for mounting a grooving cutter and comprises an upper die holder (14) and a lower die holder (15), and one side, far away from the upper die holder (14), of the lower die holder (15) is connected with a sliding seat (16);

the fixing piece is arranged on one side, far away from the fixing base (11), of the die body and used for fixing the positions of the grooving tool in the upper die base (14) and the lower die base (15) and improving the connection stability of the upper die base (14) and the lower die base (15).

2. The pipe fitting end pipe reducing and scoring die according to claim 1, wherein: the die is characterized in that the outer walls of one sides, close to the fixed seat (11), of the upper die base (14) and the lower die base (15) are connected with two sets of mounting plates (13) symmetrically arranged, holes are formed in the mounting plates (13), and fixing holes (12) corresponding to the holes are formed in the fixed seat (11).

3. The pipe fitting end pipe reducing and scoring die according to claim 1, wherein: the grooving cutter comprises a blade (17) and a cutter seat (19) fixedly connected with the blade (17), the blade (17) and the cutter seat (19) are integrally formed, two ends of the blade (17) are obliquely arranged, and a rubber pad is connected to the outer wall of the cutter seat (19).

4. The pipe fitting end pipe reducing and scoring die according to claim 3, wherein: the die comprises an upper die holder (14), a lower die holder (15) and a base, wherein the inner walls of the upper die holder (14) and the lower die holder (15) are provided with T-shaped grooves (20) which are matched and butted with a tool apron (19) in the middle, the sections of the upper die holder (14) and the lower die holder (15) are semicircular, and the outer walls of one sides, close to the upper die holder (14) and the lower die holder (15), of the upper die holder (14) and the lower die holder (15) are connected with butt plates (21).

5. The pipe fitting end pipe reducing and scoring die according to claim 4, wherein: and a shock pad is connected to the inner wall of one end, far away from the fixing piece, of the T-shaped groove (20).

6. The pipe fitting end pipe reducing and scoring die according to claim 5, wherein: the mounting includes cover ring (18), the terminal surface that fixing base (11) were kept away from with upper die base (14) and die holder (15) to cover ring (18) cooperatees, one side that cover ring (18) are close to the mould body is equipped with T type stopper (24) with two sets of T type groove (20) cooperation joint, cover ring (18) both sides all are connected with two sets of locating plate (23), lie in two sets of butt-joint plate (21) of joint between two sets of locating plate (23) with one side, be equipped with the perforation on locating plate (23), butt-joint plate (21) are close to locating plate (23) one end and are equipped with and perforate complex locating hole (22).

7. The pipe fitting end pipe reducing and scoring die according to claim 1, wherein: fixing base (11) include first face and second face, be connected with the even spring that sets up of a plurality of groups between first face and the second face, the stamping workpiece on the first face contact tip machine, be equipped with a plurality of through-holes on fixing base (11) for fix fixing base (11) on the stamping workpiece with the bolt cooperation.