CN217831527U

CN217831527U - Section bar forming die with closed section

Info

Publication number: CN217831527U
Application number: CN202220994742.0U
Authority: CN
Inventors: 陈建红; 肖伟; 陶翠莹
Original assignee: Jiangsu Bolin Machinery Manufacturing Co ltd
Current assignee: Jiangsu Bolin Machinery Manufacturing Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-11-18
Anticipated expiration: 2032-04-27

Abstract

The utility model provides a section bar forming die of closed cross-section, including the top shoe, the big die shank of lower surface one side fixedly connected with of top shoe, the fixedly connected with depression bar can be dismantled to the bottom of big die shank, the fixedly connected with layering can be dismantled to the lower surface of depression bar, be equipped with coupling mechanism between the inside of depression bar and the layering. The utility model discloses a closed cross section's section bar forming die, can directly carry out closed bending to the work piece and shape, because depression bar and layering are in the inside of work piece, thereby can directly produce closed cross section's work piece, through the removal rotary mechanism that sets up after the work piece shaping, make the staple bolt keep away from the depression bar under the condition of not dismantling, and then alright take the work piece out from the depression bar, through the coupling mechanism who sets up, the dwang rotates and drives a plurality of first bevel gears and rotate simultaneously, thereby it rotates to drive a plurality of double-screw bolts simultaneously through a plurality of second bevel gears, thereby cooperation screw hole realizes quick dismantlement and the installation of layering, and convenient use.

Description

Section bar forming die with closed section

Technical Field

The utility model relates to a forming die technical field specifically is a section bar forming die of closed cross-section.

Background

The bending machine is a machine capable of bending a thin plate, mainly comprises a support, a workbench and a clamping plate, is important equipment for bending and forming a workpiece in the sheet metal industry, and is used for pressing a steel plate into parts in various shapes according to process requirements;

for some common bending pieces, the cross section forms of the bending pieces are similar to V-shaped, groove-shaped, semicircular or wavy figures, the cross section forms of the bending pieces are open, the bending machine can better process the workpieces, but for some closed cross sections, such as beam bodies with circular, square or rectangular cross sections, the die shank of the bending machine inevitably interferes with the workpiece during bending along with the bending, and no way is provided for final closed processing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a section bar forming die of closed cross section has solved current bender to some closed cross sections, for example the cross-section is circular, a mouthful font or rectangular cross section's roof beam body, and along with going on of bending, the die shank of bender inevitably can be when bending with the work piece production interfere, and do not have the way to carry out the problem of final closed processing.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a section bar forming die of closed cross-section, includes the top shoe, the big die shank of lower surface one side fixedly connected with of top shoe, fixedly connected with depression bar can be dismantled to the bottom of big die shank, fixedly connected with layering can be dismantled to the lower surface of depression bar, be equipped with coupling mechanism between the inside of depression bar and the layering, the little die shank of position fixedly connected with of big die shank is kept away from to the lower surface of top shoe, the staple bolt is established to a pot head of depression bar, just be equipped with between staple bolt and the little die shank and be connected slewing mechanism, the lower surface center of top shoe puts fixedly connected with center supporting mechanism.

Preferably, the bottom of the large die handle is fixedly connected with a half ring through a bolt, the outer surface of one end of the pressure rod is symmetrically and fixedly connected with two clamping blocks, and the bottom of the large die handle and the outer surface of the half ring are both provided with clamping grooves matched with the clamping blocks.

Preferably, the connecting mechanism comprises a mounting groove formed in the lower surface of the pressing rod, the top of the pressing rod is connected with the inner wall of the mounting groove in a sliding mode, a hollow groove is formed in the upper surface of the pressing rod, the bottom of the hollow groove is connected with a plurality of studs in a penetrating and rotating mode, and a threaded hole connected with the studs in a threaded mode is formed in the top of the pressing rod.

Preferably, the inside of dead slot is run through to rotate and is connected with the dwang, the surface of dwang a plurality of first bevel gears of fixedly connected with in proper order, the top fixedly connected with of double-screw bolt and the second bevel gear of first bevel gear engaged with.

Preferably, the one end of dwang extends to the outside and the fixedly connected with knob of depression bar, the surface threaded connection of dwang has lock nut, the inside embedding of dead slot has the top cap.

Preferably, the connecting and rotating mechanism comprises an elongated slot formed in the lower surface of the small die shank, limiting slots are symmetrically formed in two sides of the inner wall of the elongated slot, a round rod is connected between the two limiting slots in a sliding and rotating mode, a telescopic rod is fixedly connected to the bottom end of the round rod, and the bottom end of the telescopic rod is fixedly connected with the top of the hoop.

Preferably, the top of the telescopic rod is slidably connected with the inner wall of the long groove, and the outer surface of the telescopic rod is connected with a locking screw in a penetrating and threaded manner.

Preferably, the central supporting mechanism comprises a hydraulic cylinder, and the bottom end of the movable end of the hydraulic cylinder is detachably and fixedly connected with a special-shaped pressure head.

The working principle is as follows: the upper slide block is connected with the output end of the press, the workpiece is placed below the pressing strip, then the workpiece is subjected to closed bending forming, the pressing rod and the pressing strip are arranged inside the workpiece, so that the workpiece with a closed cross section can be directly produced, the hoop and the locking screw are loosened after the workpiece is formed, then the telescopic rod is pulled, when the hoop moves out of one end of the pressing rod, the telescopic rod is upwards rotated through the round rod, the hoop is kept away from the pressing rod, the workpiece can be taken out of the pressing rod, when different pressing strips need to be replaced, the locking nut is loosened firstly, the knob is rotated to drive the rotating rod to rotate, the rotating rod is rotated to drive the first bevel gears to simultaneously rotate, so that the second bevel gears simultaneously drive the double-screw bolts to rotate, the quick disassembly and the installation of the pressing strip are realized by matching with the threaded holes, and the press is convenient to use.

(III) advantageous effects

The utility model provides a section bar forming die of closed cross section. The method has the following beneficial effects:

the utility model discloses a closed cross section's section bar forming die, when bending the work piece, can directly carry out closed bending to the work piece shaping, because depression bar and layering are in the inside of work piece, thereby can directly produce closed cross section's work piece, through the removal rotary mechanism that sets up after the work piece shaping, make the staple bolt keep away from the depression bar under the condition of not dismantling, and then alright take the work piece out from the depression bar, through the coupling mechanism who sets up, the dwang rotates and drives a plurality of first bevel gears and rotate simultaneously, thereby it rotates to drive a plurality of double-screw bolts simultaneously through a plurality of second bevel gears, thereby cooperation screw hole realizes dismantling fast and the installation of layering, and convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the large die shank and the press rod of the present invention;

FIG. 3 is a perspective view of the pressing rod and the pressing bar of the present invention;

FIG. 4 is a side sectional view of the compression bar and the hold-down bar of the present invention;

fig. 5 is a schematic structural diagram of the connection rotation mechanism in the present invention;

fig. 6 is a side sectional view of the small die shank of the present invention.

Wherein, 1, an upper slide block; 2. a large die shank; 3. a pressure lever; 4. layering; 5. a central support mechanism; 51. a hydraulic cylinder; 52. a special-shaped pressure head; 6. a small die shank; 7. hooping; 8. a half ring; 9. a clamping block; 10. a card slot; 11. mounting grooves; 12. an empty groove; 13. a stud; 14. a threaded hole; 15. rotating the rod; 16. a first bevel gear; 17. a second bevel gear; 18. a knob; 19. locking the nut; 20. a top cover; 21. a long groove; 22. a limiting groove; 23. a round bar; 24. a telescopic rod; 25. and locking the screw.

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 efforts all belong to the protection scope of the present invention.

The embodiment is as follows:

as shown in fig. 1-6, the embodiment of the utility model provides a section bar forming die of closed cross section, including slider 1, the big die shank 2 of lower surface one side fixedly connected with of slider 1, fixedly connected with depression bar 3 can be dismantled to the bottom of big die shank 2, fixedly connected with layering 4 can be dismantled to depression bar 3's lower surface, be equipped with coupling mechanism between depression bar 3's inside and the layering 4, the little die shank 6 of position fixedly connected with of big die shank 2 is kept away from to slider 1's lower surface, staple bolt 7 is established to depression bar 3's a pot head, and be equipped with between staple bolt 7 and the little die shank 6 and be connected slewing mechanism, slider 1's lower surface central point puts fixedly connected with central supporting mechanism 5.

Bolt fixedly connected with semi-ring 8 is passed through to the bottom of big die shank 2, two fixture blocks 9 of the one end surface symmetry fixedly connected with of depression bar 3, and the bottom of big die shank 2 and the surface of semi-ring 8 all offer with fixture block 9 matched with draw-in groove 10, cooperate through draw-in groove 10 and fixture block 9 to be convenient for spacing depression bar 3, the depression bar 3 takes place to rotate when avoiding moving.

The connecting mechanism comprises a mounting groove 11 formed in the lower surface of the pressing rod 3, the top of the pressing strip 4 is connected with the inner wall of the mounting groove 11 in a sliding mode, a hollow groove 12 is formed in the upper surface of the pressing rod 3, the bottom of the hollow groove 12 is connected with a plurality of studs 13 in a penetrating and rotating mode, a threaded hole 14 in threaded connection with the studs 13 is formed in the top of the pressing strip 4, and the studs 13 are connected with the threaded hole 14 to facilitate mounting and dismounting of the pressing strip 4.

The inside run through of dead slot 12 is rotated and is connected with dwang 15, and the surface of dwang 15 is a plurality of first bevel gear 16 of fixedly connected with in proper order, and the top fixedly connected with of double-screw bolt 13 and the second bevel gear 17 of first bevel gear 16 engaged with, dwang 15 rotate and drive a plurality of first bevel gear 16 and rotate simultaneously to drive a plurality of double-screw bolts 13 simultaneously through a plurality of second bevel gear 17 and rotate, thereby easy to assemble.

One end of the rotating rod 15 extends to the outside of the pressing rod 3 and is fixedly connected with a knob 18, the outer surface of the rotating rod 15 is connected with a locking nut 19 in a threaded mode, a top cover 20 is installed in the hollow groove 12 in an embedded mode, the rotating rod 15 is convenient to rotate through the knob 18, the locking nut 19 prevents the rotating rod from rotating reversely, and the top cover 20 guarantees the integrity of the surface of the pressing rod 3.

The connecting and rotating mechanism comprises a long groove 21 arranged on the lower surface of the small die shank 6, limiting grooves 22 are symmetrically formed in two sides of the inner wall of the long groove 21, a round rod 23 is connected between the two limiting grooves 22 in a sliding and rotating mode, a telescopic rod 24 is fixedly connected to the bottom end of the round rod 23, the bottom end of the telescopic rod 24 is fixedly connected with the top of the hoop 7, the round rod 23 can be moved and the telescopic rod 24 can be rotated through the long groove 21 and the limiting grooves 22, and therefore the hoop 7 does not need to be detached.

The top of the telescopic rod 24 is slidably connected with the inner wall of the long groove 21, and the outer surface of the telescopic rod 24 is in threaded connection with a locking screw 25, so that the length of the telescopic rod 24 can be conveniently limited.

The central supporting mechanism 5 comprises a hydraulic cylinder 51, the bottom end of the movable end of the hydraulic cylinder 51 is detachably and fixedly connected with a special-shaped pressure head 52, the central position of the pressure rod 3 is convenient to support, and the special-shaped pressure head 25 can be designed to support the pressure rod 3 and a workpiece according to specific conditions.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a section bar forming die of closed cross-section, includes top shoe (1), its characterized in that: the utility model discloses a mould structure, including the lower surface of top shoe (1), the big die shank of lower surface one side fixedly connected with (2), fixedly connected with depression bar (3) can be dismantled to the bottom of big die shank (2), fixedly connected with layering (4) can be dismantled to the lower surface of depression bar (3), be equipped with coupling mechanism between the inside of depression bar (3) and layering (4), the little die shank (6) of position fixedly connected with of big die shank (2) are kept away from to the lower surface of top shoe (1), the pot head of depression bar (3) is established and is installed staple bolt (7), just be equipped with between staple bolt (7) and little die shank (6) and be connected slewing mechanism, the lower surface center of top shoe (1) puts fixedly connected with central supporting mechanism (5).

2. A profile forming die of closed cross-section as claimed in claim 1, wherein: the bottom of the large die shank (2) is fixedly connected with a half ring (8) through a bolt, two clamping blocks (9) are symmetrically and fixedly connected to the outer surface of one end of the pressing rod (3), and clamping grooves (10) matched with the clamping blocks (9) are formed in the bottom of the large die shank (2) and the outer surface of the half ring (8).

3. A profile forming die of closed cross-section as claimed in claim 1, wherein: coupling mechanism is including offering mounting groove (11) at depression bar (3) lower surface, the top of layering (4) and the inner wall sliding connection of mounting groove (11), dead slot (12) have been seted up to the upper surface of depression bar (3), the bottom of dead slot (12) is run through and is rotated and be connected with a plurality of double-screw bolts (13), screw hole (14) with double-screw bolt (13) threaded connection are seted up at the top of layering (4).

4. A profile forming die of closed cross-section as claimed in claim 3, wherein: the inside of dead slot (12) is run through to rotate and is connected with dwang (15), the surface of dwang (15) is a plurality of first bevel gear (16) of fixedly connected with in proper order, the top fixedly connected with of double-screw bolt (13) and second bevel gear (17) of first bevel gear (16) looks meshing.

5. A profile forming die of closed cross-section as claimed in claim 4, wherein: the one end of dwang (15) extends to outside and fixedly connected with knob (18) of depression bar (3), the surface threaded connection of dwang (15) has lock nut (19), top cap (20) are installed in the inside embedding of dead slot (12).

6. A profile forming die of closed cross-section as claimed in claim 1, wherein: the connecting and rotating mechanism comprises a long groove (21) formed in the lower surface of the small die handle (6), limiting grooves (22) are symmetrically formed in two sides of the inner wall of the long groove (21), a round rod (23) is connected between the two limiting grooves (22) in a sliding and rotating mode, a telescopic rod (24) is fixedly connected to the bottom end of the round rod (23), and the bottom end of the telescopic rod (24) is fixedly connected with the top of the hoop (7).

7. A profile forming die of closed cross-section as claimed in claim 6, wherein: the top of the telescopic rod (24) is connected with the inner wall of the long groove (21) in a sliding mode, and the outer surface of the telescopic rod (24) is connected with a locking screw (25) in a penetrating and threaded mode.

8. A profile forming die of closed cross-section as claimed in claim 1, wherein: the center supporting mechanism (5) comprises a hydraulic cylinder (51), and the bottom end of the movable end of the hydraulic cylinder (51) is detachably and fixedly connected with a special-shaped pressure head (52).