CN215314908U - Steel bar traceless bending die - Google Patents
Steel bar traceless bending die Download PDFInfo
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- CN215314908U CN215314908U CN202120726881.0U CN202120726881U CN215314908U CN 215314908 U CN215314908 U CN 215314908U CN 202120726881 U CN202120726881 U CN 202120726881U CN 215314908 U CN215314908 U CN 215314908U
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- die
- lower die
- bending
- steel bar
- middle section
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Abstract
The utility model discloses a steel bar traceless bending die which comprises an upper die frame and a lower die support, wherein the upper die frame is arranged at the upper end of the lower die support, a rotating groove is formed in the middle section of the lower end of the upper die frame, an upper die mandrel is rotatably installed in the rotating groove, an upper die rod is rotatably sleeved outside the upper die mandrel, a bending groove is formed in the middle section of the upper surface of the lower die support, a bent steel bar is arranged in the bending groove, lower die mandrels are rotatably installed on the left side and the right side of the upper end in the lower die support, rotating grooves are formed in the middle sections of the left end and the right end of the upper surface of the lower die support, the rotating groove is located in the middle section of the lower die mandrel, a lower die roller is rotatably installed in the rotating groove, and the lower die roller is rotatably sleeved on the middle section of the outer portion of the lower die mandrel; the steel bar traceless bending die is specially used for bending a steel bar, grooves are formed in the upper die and the lower die for bending, the bending stress area can be enlarged, the pressure intensity is reduced, and traceless bending is achieved.
Description
Technical Field
The utility model relates to the technical field of sheet metal processing, in particular to a steel bar traceless bending die.
Background
The bending die for the common bending plate is used for bending the steel bar, although the bending die can also be used for bending, bending traces can be left on the steel bar, the bending die is not allowed in occasions with higher requirements on the surface, the steel bar is often used for bending in the sheet metal machining process, the bending die is generally used for bending by virtue of the die for bending the plate, but the bending die can leave the traces at the stress position of the steel bar, the attractiveness is influenced, and therefore the steel bar traceless bending die is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a steel bar traceless bending die to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a steel bar traceless bending die comprises an upper die frame and a lower die support, wherein the upper die frame is arranged at the upper end of the lower die support, a rotating groove is formed in the middle section of the lower end of the upper die frame, an upper die mandrel is installed in the rotating groove, an upper die rod is sleeved outside the upper die mandrel in a rotating mode, a bending groove is formed in the middle section of the upper surface of the lower die support, the left side and the right side of the inner upper end of the lower die support are respectively rotatably installed with the lower die mandrel, the rotating groove is formed in the middle sections of the left end and the right end of the upper surface of the lower die support, the rotating groove is located in the middle section of the lower die mandrel, a lower die roller is installed in the rotating groove in a rotating mode, and the lower die roller is rotatably sleeved on the middle section of the outer portion of the lower die mandrel.
Preferably, R grooves are formed in the middle section of the outer surface of the upper die roller and the middle section of the outer surface of the lower die roller, and bent steel rods are arranged in the R grooves in the surface of the lower die roller.
Preferably, the upper end left side of going up the die carrier and the lower extreme right side of going up the die carrier all seted up the section.
Preferably, the lower surface of the lower die support is provided with a mounting groove.
Preferably, fillets are arranged at the left end and the right end of the upper surface of the lower die support, and the diameters of the fillets are the same as those of the lower die roller.
Compared with the prior art, the utility model has the beneficial effects that: this mould of bending of rod iron no trace, mould are used for bending of rod iron specially, and the mould all opens flutedly about bending, and the rod iron of being bent at the in-process of bending is located and bends through the rotary type between last mould rod and the lower mould rod and can increase the lifting surface area of bending, reduces pressure to realize no trace and bend, promote the pleasing to the eye of bending.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view A-A of the upper die roller of the present invention;
FIG. 4 is a cross-sectional view of a lower die roller of the present invention.
In the figure: the device comprises an upper die frame 1, an upper die roller 2, an upper die mandrel 3, a bent steel bar 4, a lower die roller 5, a lower die mandrel 6 and a lower die support 7.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the steel bar traceless bending die comprises an upper die frame 1 and a lower die support 7, wherein the upper die frame 1 is arranged at the upper end of the lower die support 7, a rotating groove is formed in the middle section of the lower end of the upper die frame 1, an upper die mandrel 3 is rotatably installed in the rotating groove, an upper die rod 2 is rotatably sleeved outside the upper die mandrel 3, a bending groove is formed in the middle section of the upper surface of the lower die support 7, lower die mandrels 6 are rotatably installed on the left side and the right side of the upper end inside the lower die support 7, rotating grooves are formed in the middle sections of the left end and the right end of the upper surface of the lower die support 7, the rotating grooves are located in the middle section of the lower die mandrel 6, lower die rollers 5 are rotatably installed in the rotating grooves, and the lower die rollers 5 are rotatably sleeved on the middle section of the outside the lower die mandrel 6;
specifically, the bending die comprises an upper die frame 1, an upper die roller 2, an upper die mandrel 3, a lower die roller 5 and a lower die support 7, wherein the upper die frame is positioned at the upper end of the lower die support and is controlled by a hydraulic press of a bending machine in the prior art, the upper die frame 1 is of a rectangular structure, a rotating groove is formed in the middle position of the lower end of the upper die frame and is used for installing the upper die roller 2, the upper die roller 2 is rotatably installed in the rotating groove through a rotating shaft, a bending groove is formed in the middle section of the upper surface of the lower die support 7 and is used for placing the bent steel bar 4, rotating holes are formed in the inner parts of the left side and the right side of the upper end of the lower die support 7, the lower die mandrel 6 is rotatably installed in the rotating holes, rotating grooves are formed in the middle positions of the upper surfaces of the left end and the right end of the lower die support 7 and are positioned in the middle position of the lower die mandrel 6, and the lower die roller 5 is rotatably installed in the rotating groove of the lower die support 7 through the shell of the lower die mandrel 6, the upper die core shaft is arranged at the lower end of the upper die support, the upper die roller penetrates through the core shaft, and the two lower die core shafts 6 and the lower die rollers penetrate through the lower die support.
R grooves are formed in the middle section of the outer surface of the upper die roller 2 and the middle section of the outer surface of the lower die roller 5, and a bent steel bar 4 is arranged in the R groove in the surface of the lower die roller 5;
specifically, the upper die roller 2 is provided with R grooves corresponding to the bent steel bars on the whole circumference, the lower die roller 5 is provided with R grooves corresponding to the bent steel bars, the two R grooves are communicated in shape, and the bent steel bars 4 are placed in the R grooves on the surface of the lower die roller 5
The left side of the upper end of the upper die carrier 1 and the right side of the lower end of the upper die carrier 1 are both provided with a section;
specifically, sections are arranged on the left side of the upper end and the right side of the lower end of the upper die frame 1, and the section of the upper die frame 1 is made into a standard bending upper die shape so as to be convenient to clamp onto a plate bending machine.
The lower surface of the lower die support 7 is provided with a mounting groove;
specifically, the cross section of the lower die support 7 is made into the shape of a standard bending lower die so as to be conveniently installed on a plate bending machine.
Fillets are arranged at the left end and the right end of the upper surface of the lower die support 7, and the diameters of the fillets are the same as those of the lower die rollers 5.
The working process and principle are as follows: respectively clamping an upper die and a lower die on a plate bending machine, aligning the grooves of the upper die roller and the lower die roller, adjusting the rollers of the lower die to enable the grooves to be in a horizontal position, placing a bent steel bar into the grooves of the rollers of the lower die, stepping on a foot switch to bend the steel bar bending plate in place, and then loosening the foot switch to finish bending; the upper die roller is provided with a circumferential groove, the lower die roller is provided with a horizontal groove, the upper die roller vertically moves when being bent, the two lower die rollers rotate along with the steel bar, and the upper die roller and the lower die roller can be replaced so as to bend the steel bars with different diameters.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. Steel bar does not have trace mould of bending, including last die carrier (1) and lower mould support (7), its characterized in that: go up die carrier (1) and set up the upper end of lower mould support (7), the rotation groove has been seted up in the lower extreme middle section of going up die carrier (1), it installs last mould dabber (3) to rotate the inslot rotation, it is equipped with mould rod (2) to go up the outside rotation cover of mould dabber (3), the upper surface middle section of lower mould support (7) is equipped with the groove of bending, lower mould support (7) inside upper end left and right sides all rotates and installs lower mould dabber (6), the rotation groove has all been seted up in both ends middle section about the upper surface of lower mould support (7), just the rotation groove is located the middle section of lower mould dabber (6), rotate the inslot rotation and install lower mould roller (5), just lower mould roller (5) rotate the suit in the outside middle section of lower mould dabber (6).
2. The steel bar traceless bending die according to claim 1, characterized in that: r grooves are formed in the middle section of the outer surface of the upper die roller (2) and the middle section of the outer surface of the lower die roller (5), and a bent steel bar (4) is arranged in the R groove in the surface of the lower die roller (5).
3. The steel bar traceless bending die according to claim 1, characterized in that: the upper die carrier (1) is arranged on the left side of the upper end of the upper die carrier (1), and the lower die carrier (1) is arranged on the right side of the lower end of the upper die carrier (1).
4. The steel bar traceless bending die according to claim 1, characterized in that: the lower surface of the lower die support (7) is provided with a mounting groove.
5. The steel bar traceless bending die according to claim 1, characterized in that: fillets are arranged at the left end and the right end of the upper surface of the lower die support (7), and the diameters of the fillets are the same as those of the lower die rollers (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120726881.0U CN215314908U (en) | 2021-04-11 | 2021-04-11 | Steel bar traceless bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120726881.0U CN215314908U (en) | 2021-04-11 | 2021-04-11 | Steel bar traceless bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215314908U true CN215314908U (en) | 2021-12-28 |
Family
ID=79593227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120726881.0U Active CN215314908U (en) | 2021-04-11 | 2021-04-11 | Steel bar traceless bending die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215314908U (en) |
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2021
- 2021-04-11 CN CN202120726881.0U patent/CN215314908U/en active Active
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