CN221336276U - R stamping die is cut to return bend - Google Patents

Abstract

The application relates to the technical field of pipe cutting dies and discloses an R stamping die for cutting bent pipes, which comprises a bottom plate and an upper pressing plate, wherein the upper end of the bottom plate is fixedly connected with a lower female die, the upper end of the lower female die is fixedly connected with four first positioning columns, the upper end of the lower female die is provided with four first positioning holes, two sides of the upper end of the lower female die are provided with first through holes in a penetrating way, the upper pressing plate is fixedly connected with a fixing plate, the upper end of the fixing plate is provided with four second through holes and two third through holes in a penetrating way, and the lower end of the fixing plate is fixedly connected with two cutters. This R stamping die is cut to return bend, through setting up spring and second reference column, pass through the spring with last die and fix the top board bottom, firstly put into the recess of die inside down with the object that needs to cut, extrude the top board downwards through the punching machine, drive and go up the die and descend together for go up die and die contact down, fix the object in the recess of die inside.

Description

R stamping die is cut to return bend

Technical Field

The application relates to the technical field of pipe cutting dies, in particular to an R stamping die for cutting an elbow.

Background

A mould, a mould and a tool for producing a desired product by injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and the like, in industrial production, in short, the mould is a tool for producing a molded article, the tool is composed of various parts, and different moulds are composed of different parts, and the processing of the appearance of the article is realized mainly by changing the physical state of the molded material.

The utility model discloses a ladder connecting pipe cutting R die, which comprises a cutting die main body, a base, a left lower die, a right lower die, a cutting gap, a connecting pipe to be processed, an upper left die, a screwing bolt, a pressing head, an upper right die, a connecting frame, a fixing frame and a rotating handle, wherein the base is arranged at the bottom of the cutting die main body, the left lower die and the right lower die are sequentially arranged above the base from left to right.

It is pointed out in the above-mentioned comparison document that the device is when carrying out cutting R angle operation to the object, needs to install left lower mould, right lower mould and upper left mould, upper right mould in proper order and fix the object, and is comparatively loaded down with trivial details when the installation, when carrying out batch operation, because of need install a plurality of moulds repeatedly to make work efficiency reduce.

Disclosure of utility model

Aiming at the defects of the prior art, the application provides the R-shaped stamping die for cutting the bent pipe, which has the advantages of improving the working efficiency and the like, and solves the problem that the working efficiency is reduced due to the fact that a left lower die, a right lower die, a left upper die and a right upper die are required to be sequentially installed to fix an object when the R-shaped stamping die for cutting the bent pipe is used for cutting an R angle of the object, the mounting is complicated, and a plurality of dies are required to be repeatedly installed when the batch operation is carried out.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a return bend cuts R stamping die, includes bottom plate and top board, bottom plate upper end fixedly connected with lower die, four first reference columns of lower die upper end fixedly connected with, four first locating holes have been seted up to lower die upper end, first through-hole has been seted up in lower die upper end both sides run through, top board bottom fixedly connected with four springs and two second are fixed, top board fixedly connected with fixed plate, four second through-holes and two third through-holes have been seted up in the fixed plate upper end run through, two cutters of fixed plate lower extreme fixedly connected with;

The spring runs through the one end fixedly connected with of second through-hole and goes up the die, go up the die and run through around and have seted up four second through-holes, go up die bottom fixedly connected with four third reference columns, go up the die upper end and seted up two fourth through-holes.

Through above-mentioned scheme, through setting up spring and second reference column, pass through the spring to fix the top die bottom at the top board, and restrict its position through first reference column, when using, firstly put into the recess of the inside of die down with the object that needs to cut, extrude the top board downwards through the punching machine, drive the top die and descend together, make top die and lower die contact, fix the object in the recess of mould inside, the top board continues to descend at this moment, the spring will be compressed, make the cutter contact at the fixed plate bottom cut the object, the cutter continues to descend, cut the object, the device does not need the manual work to fix the object, can accomplish the fixing to the object when the top board descends, make fixed object more convenient, thereby improve during operation efficiency.

Further, two fifth through holes and two discharge holes are formed in the upper end of the bottom plate in a penetrating mode.

Through above-mentioned scheme, the waste material that cuts falls out through the discharge gate.

Further, four fourth locating columns are fixedly connected to the upper end of the bottom plate.

Through the scheme, the fourth positioning column is used for limiting the position of the upper pressing plate.

Further, four hollow columns are fixedly connected inside the upper pressing plate.

Through the scheme, the hollow column is used for enabling the upper pressing plate to slide.

Further, the outer walls of the upper ends of the four fourth positioning columns are respectively sleeved with a hollow column, and the four hollow columns are fixedly connected with the upper pressing plate.

Through above-mentioned scheme, hollow post cooperates with fourth reference column for the top board is gone on reciprocating at the just upper end of bottom plate all the time.

Further, the two second positioning columns penetrate through the two first through holes, the two third through holes, the two fourth through holes and the two fifth through holes.

Through the scheme, the second positioning column is used for limiting the positions of the devices during descending.

Further, the four first positioning holes correspond to the four third positioning posts.

Through the scheme, the third positioning column is inserted into the first fixing hole and used for positioning the upper female die and the lower female die when the upper female die descends.

Further, the four first positioning columns correspond to the four second positioning holes.

Through the scheme, the first positioning column is inserted into the second positioning hole, and the upper female die is matched with the first positioning hole to perform double positioning when the upper female die descends, so that the object is fixed in the die more firmly.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

This R stamping die is cut to return bend passes through the spring and second reference column is fixed to upper die through the spring in the top board bottom to restrict its position through first reference column, when using, at first put into the inside recess of lower die with the object that needs to cut, extrude upper die downwardly through the punching machine, it descends together to drive upper die, make inside being used for of third reference column go up the die and fix a position with lower die when descending, first reference column inserts inside the second reference hole, fix a position upper die, make upper die and lower die contact, fix the object in the recess of mould inside, the top board continues to descend at this moment, the spring will be compressed, the position of each device when the second reference column restriction descends, make the cutter on the contact of fixed plate bottom can not take place the skew in the position, the cutter continues to descend, cut the object, the waste material that cuts down falls out through the discharge gate, the device does not need the manual work to fix the object, can accomplish the fixing the object when descending upper die, thereby convenient operation efficiency when fixing the object.

Drawings

FIG. 1 is a schematic view of the overall structure of the present application;

FIG. 2 is a schematic view of the lower die structure of the present application;

FIG. 3 is a schematic diagram of the upper die structure of the present application;

FIG. 4 is a schematic view of a structure of a fixing plate according to the present application;

FIG. 5 is a schematic view of the upper platen of the present application;

fig. 6 is a schematic view of the structure of the base plate of the structure of the present application.

In the figure:

1. A bottom plate; 2. an upper press plate; 3. a lower female die; 4. a first positioning column; 5. a first positioning hole; 6. a first through hole; 7. a spring; 8. a second positioning column; 9. a fixing plate; 10. a second through hole; 11. a third through hole; 12. a cutter; 13. an upper female die; 14. a second positioning hole; 15. a third positioning column; 16. a fourth through hole; 17. a fifth through hole; 18. a discharge port; 19. a fourth positioning column; 20. a hollow column.

Detailed Description

The following description of the embodiments of the present application 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 application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1, 2 and 3, an R-cutting stamping die for bent pipes in this embodiment includes a bottom plate 1 and an upper pressing plate 2, wherein a lower die 3 is fixedly connected to an upper end of the bottom plate 1, the lower die 3 is used for placing bent pipes, four first positioning columns 4 are fixedly connected to an upper end of the lower die 3, four first positioning holes 5 are formed in an upper end of the lower die 3, and first through holes 6 are formed through two sides of an upper end of the lower die 3.

Referring to fig. 4 and 5, four springs 7 and two second positioning columns 8 are fixedly connected to the bottom end of the upper platen 2, a fixing plate 9 is fixedly connected to the upper platen 2, four second through holes 10 and two third through holes 11 are formed in the upper end of the fixing plate 9 in a penetrating manner, and two cutters 12 are fixedly connected to the lower end of the fixing plate 9.

Referring to fig. 1, 3 and 4, one end of the spring 7 penetrating through the second through hole 10 is fixedly connected with an upper die 13, the lower die 3 fixes the bent pipe between the upper die 13 and the lower die 3 by the force provided by the spring 7, four second positioning holes 14 are formed around the upper die 13 in a penetrating manner, four third positioning columns 15 are fixedly connected with the bottom end of the upper die 13, and two fourth through holes 16 are formed at the upper end of the upper die 13.

Referring to fig. 1, 5 and 6, two fifth through holes 17 and two discharge holes 18 are formed in the upper end of the bottom plate 1 in a penetrating manner, cut waste falls out through the discharge holes 18, four fourth positioning columns 19 are fixedly connected to the upper end of the bottom plate 1, the fourth positioning columns 19 are used for limiting the position of the upper pressing plate 2, four hollow columns 20 are fixedly connected to the inner portion of the upper pressing plate 2, the hollow columns 20 are used for enabling the upper pressing plate 2 to slide, hollow columns 20 are sleeved on the outer walls of the upper ends of the four fourth positioning columns 19, the four hollow columns 20 are fixedly connected with the upper pressing plate 2, and the hollow columns 20 are matched with the fourth positioning columns 19, so that the upper pressing plate 2 always moves up and down at the right upper end of the bottom plate 1.

Referring to fig. 2, 3 and 6, two second positioning columns 8 penetrate through two first through holes 6, two third through holes 11, two fourth through holes 16 and two fifth through holes 17, the second positioning columns 8 are used for limiting the positions of each device during descending, four first positioning holes 5 correspond to four third positioning columns 15, the third positioning columns 15 are inserted into the first fixing holes for positioning the upper die 13 with the lower die 3 during descending, four first positioning columns 4 correspond to four second positioning holes 14, the first positioning columns 4 are inserted into the second positioning holes 14, and double positioning is performed on the upper die 13 in a matching manner with the first positioning holes 5 during descending of the upper die 13, so that the object is fixed in the die more firmly.

In this embodiment, this R stamping die is cut to return bend, through setting up spring 7 and second reference column 8, pass through spring 7 with go up die 13 and fix in top board 2 bottom, and restrict its position through first reference column 4, when using, firstly put into the inside recess of lower die 3 with the object that needs to cut, extrude top board 2 downwardly through the punching machine, drive die 13 and descend together, make the inside upper die 13 that is used for of third reference column 15 insert first fixed orifices go up die 13 and go on the location with lower die 3 when descending, simultaneously first reference column 4 inserts inside the second fixed orifices 14, fix die 13 and lower die 3 contact, fix the recess in the inside of mould with the object, at this moment upper plate 2 continues to descend, spring 7 will be compressed, the position of each device when the cutter 8 restriction descends, make the cutter 12 contact at the bottom of fixed plate 9 and cut the object can not take place the skew in the position, 12 continues to descend, cut the object, cut the waste material that cuts, the work efficiency of going down is gone out through the device 18 and need not be fixed the object at the same time at the time of fixing the upper die 2, thereby the fixed object can be accomplished more conveniently.

When the upper die 13 contacts the lower die 3, the upper platen 2 continues to descend, compressing the springs 7, the springs 7 will be compressed inside the second through holes 10, and the descent of the upper platen 2 will not be affected when the springs 7 are compressed inside the second through holes 10.

The working principle of the embodiment is as follows:

when the die is used, the upper pressing plate 2 is firstly separated from the bottom plate 1, the upper pressing plate 2 is arranged at the lower end of a punching device of the punching machine, the fourth positioning column 19 at the upper end of the bottom plate 1 is placed in the hollow column 20, then the cut bent pipe is placed in a groove in the lower die 3, the punching machine is started to enable the lower pressing plate to descend, the fixing plate 9, the cutter 12 and the upper die 13 are driven to descend together, the upper die 13 firstly contacts the lower die 3 to fix the bent pipe in the die, the lower pressing plate continuously descends to compress the spring 7 in the second through hole 10, the cutter 12 is exposed, the two ends of the bent pipe, which need to be cut an R angle, are continuously descended to finish cutting the R angle, and cut waste materials fall from the discharge hole 18.

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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. R stamping die is cut to return bend, including bottom plate (1) and top board (2), its characterized in that: the novel cutting machine comprises a bottom plate (1), wherein the upper end of the bottom plate (1) is fixedly connected with a lower female die (3), the upper end of the lower female die (3) is fixedly connected with four first positioning columns (4), the upper end of the lower female die (3) is provided with four first positioning holes (5), two sides of the upper end of the lower female die (3) are provided with first through holes (6) in a penetrating mode, the bottom end of an upper pressing plate (2) is fixedly connected with four springs (7) and two second positioning columns (8), the upper pressing plate (2) is fixedly connected with a fixing plate (9), the upper end of the fixing plate (9) is provided with four second through holes (10) and two third through holes (11) in a penetrating mode, and the lower end of the fixing plate (9) is fixedly connected with two cutters (12);

One end of the spring (7) penetrating through the second through hole (10) is fixedly connected with an upper female die (13), four second positioning holes (14) are formed in the periphery of the upper female die (13) in a penetrating mode, four third positioning columns (15) are fixedly connected to the bottom end of the upper female die (13), and two fourth through holes (16) are formed in the upper end of the upper female die (13).

2. The elbow cutting R stamping die of claim 1, wherein: two fifth through holes (17) and two discharge holes (18) are formed in the upper end of the bottom plate (1) in a penetrating mode.

3. The elbow cutting R stamping die of claim 1, wherein: four fourth locating columns (19) are fixedly connected to the upper end of the bottom plate (1).

4. A die for R-stamping an elbow according to claim 3, wherein: four hollow columns (20) are fixedly connected inside the upper pressing plate (2).

5. The die set for cutting R for stamping an elbow according to claim 4, wherein: the outer walls of the upper ends of the four fourth positioning columns (19) are respectively sleeved with a hollow column (20), and the four hollow columns (20) are fixedly connected with the upper pressing plate (2).

6. The elbow cutting R stamping die of claim 1, wherein: the two second positioning columns (8) penetrate through the two first through holes (6), the two third through holes (11), the two fourth through holes (16) and the two fifth through holes (17).

7. The elbow cutting R stamping die of claim 1, wherein: the four first positioning holes (5) correspond to the four third positioning columns (15).

8. The elbow cutting R stamping die of claim 1, wherein: the four first positioning columns (4) correspond to the four second positioning holes (14).