阅读说明：本技术 一种无痕翻板折弯模具 (Traceless turning plate bending die ) 是由 尚伟强 于 2020-06-05 设计创作，主要内容包括：本发明属于板件加工技术领域,尤其为一种无痕翻板折弯模具,包括上模具,所述上模具的顶端固定安装有液压缸,且上模具底端固定连接有固定板,所述固定板的底端四角处均固定连接有导向套,且导向套中滑动套设有导向柱,所述固定板的底端固定安装有下压柱,且下压柱的底端固定安装有可拆卸的压头柱,四个所述导向柱的底端固定连接有同一下模具,且下模具的凹槽处固定安装有挤压板,所述挤压板下方固定安装有支撑板,且支撑板与挤压板之间固定安装有若干个大小相同并均匀分布的弹簧。本发明操作简单、使用方便,不仅够避免折弯过程中出现卡模或者出现折痕现象,还能对钢板进行不同角度的弯折操作,为操作者带来了便利。(The invention belongs to the technical field of plate processing, and particularly relates to a traceless flap bending die which comprises an upper die, wherein a hydraulic cylinder is fixedly mounted at the top end of the upper die, a fixed plate is fixedly connected to the bottom end of the upper die, guide sleeves are fixedly connected to four corners of the bottom end of the fixed plate, guide posts are slidably sleeved in the guide sleeves, a lower pressing post is fixedly mounted at the bottom end of the fixed plate, a detachable pressing head post is fixedly mounted at the bottom end of the lower pressing post, the same lower die is fixedly connected to the bottom ends of the four guide posts, an extrusion plate is fixedly mounted at a groove of the lower die, a supporting plate is fixedly mounted below the extrusion plate, and a plurality of springs which are the same in size and are uniformly distributed are fixedly mounted between the supporting plate and the extrusion plate. The bending device is simple to operate and convenient to use, not only can avoid the phenomenon of mold clamping or crease during the bending process, but also can perform bending operation on the steel plate at different angles, and brings convenience to operators.)

1. The utility model provides a no trace turns over board mould of bending, includes mould (1), its characterized in that: the top end of the upper die (1) is fixedly provided with a hydraulic cylinder, the bottom end of the upper die (1) is fixedly connected with a fixed plate (2), the four corners of the bottom end of the fixed plate (2) are fixedly connected with guide sleeves (3), guide posts (4) are sleeved in the guide sleeves (3) in a sliding manner, a lower pressing post (5) is fixedly arranged at the bottom end of the fixed plate (2), detachable pressing head posts (6) are fixedly arranged at the bottom end of the lower pressing post (5), four guide posts (4) are fixedly connected with a same lower die (7), an extrusion plate (8) is fixedly arranged at the groove of the lower die (7), a support plate (9) is fixedly arranged below the extrusion plate (8), a plurality of springs (10) which are the same in size and are uniformly distributed are fixedly arranged between the support plate (9) and the extrusion plate (8), and two corresponding guide rods (11) are fixedly welded at the bottom end of the support plate (9), and guide arm (11) can slide in removal hole (12), the bottom fixed mounting of guide arm (11) has nut piece (13), and nut piece (13) internal thread cover is established screw rod (14), the bottom fixedly connected with knob (15) of screw rod (14), and the both sides fixed welding of bed die (7) has base (16), the top fixed mounting of stripper plate (8) has last kicking block (17), and fixed mounting has detachable shaping groove (18) in last kicking block (17).

2. The traceless flap bending die according to claim 1, which is characterized in that: and a fixing bolt is fixedly arranged on the base (16).

3. The traceless flap bending die according to claim 1, which is characterized in that: a limiting block (19) is fixedly welded on the screw rod (14), and the limiting block (19) is fixedly installed inside the lower die (7).

4. The traceless flap bending die according to claim 1, which is characterized in that: one side of the nut block (13) is fixedly welded with a limiting rod (20), and the inner wall of the moving hole (12) is provided with a sliding groove (21) corresponding to the limiting rod (20).

5. The traceless flap bending die according to claim 1, which is characterized in that: the top end of the extrusion plate (8) is positioned on two sides of the forming groove (18) and is fixedly connected with a hydraulic rod (22), and a top pipe of the hydraulic rod (22) is fixedly provided with a rotatable rotating shaft (23).

6. The traceless flap bending die according to claim 1, which is characterized in that: the forming groove (18) is positioned right above the pressure head column (6), and the shape of the pressure head column (6) corresponds to that of the forming groove (18).

Technical Field

The invention relates to the technical field of plate processing, in particular to a traceless turning plate bending die.

Background

At present, in the elevator industry, more and more parts adopt materials with protective films, such as car walls, car doors, hall doors, door lamp square tubes, left and right control arms and the like, the surface requirements of the materials are strict, and the surface bending traces do not exist under the condition that the protective films are not torn off so as to avoid the bending traces of the materials in the protective films. Aiming at some special materials, such as black titanium gold, white mirror surface, rose gold and the like, if creases appear during bending, the appearance of the plate is easily damaged, and parts are scrapped because the traces cannot be removed.

Among the prior art, the most common mould of bending is traditional V type mould of bending, because the corner position of the mould of bending of V type is the circular arc angle of bending, in the course of working, can produce great bending vestige naturally when bending of thick steel sheet, when the keyway part need be bent, very obvious bending vestige also can appear, can not carry out various angle to the steel sheet and buckle moreover, for this reason, provides a no trace and turns over board mould of bending.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a traceless flap bending die.

In order to achieve the purpose, the invention adopts the following technical scheme: a traceless turning plate bending die comprises an upper die, wherein a hydraulic cylinder is fixedly mounted at the top end of the upper die, a fixed plate is fixedly connected with the bottom end of the upper die, guide sleeves are fixedly connected at four corners of the bottom end of the fixed plate, guide posts are sleeved in the guide sleeves in a sliding manner, a lower pressing post is fixedly mounted at the bottom end of the fixed plate, detachable pressing head posts are fixedly mounted at the bottom ends of the lower pressing posts, the same lower die is fixedly connected with the bottom ends of the four guide posts, an extrusion plate is fixedly mounted at a groove of the lower die, a supporting plate is fixedly mounted below the extrusion plate, a plurality of springs which are identical in size and are uniformly distributed are fixedly mounted between the supporting plate and the extrusion plate, two corresponding guide rods are fixedly welded at the bottom end of the supporting plate and can slide in a moving hole, a nut block is fixedly mounted at the bottom end of each guide rod, and a screw rod is sleeved in the nut block, the bottom fixedly connected with knob of screw rod, and the both sides fixed welding of bed die has the base, the top fixed mounting of stripper plate has last kicking block, and fixed mounting has detachable shaping groove in going up the kicking block.

Preferably, the base is fixedly provided with a fixing bolt.

Preferably, the screw rod is fixedly welded with a limiting block, and the limiting block is fixedly installed inside the lower die.

Preferably, one side of the nut block is fixedly welded with a limiting rod, and the inner wall of the moving hole is provided with a sliding groove corresponding to the limiting rod.

Preferably, the top end of the extrusion plate is located on two sides of the forming groove and fixedly connected with a hydraulic rod, and a rotary rotating shaft is fixedly mounted on a top pipe of the hydraulic rod.

Preferably, the molding groove is positioned right above the pressure head column, and the pressure head column corresponds to the molding groove in shape.

Compared with the prior art, the invention has the beneficial effects that: firstly, a lower die on a base is fixed at a proper position through a fixing bolt, an upper die is fixedly connected with a hydraulic cylinder through a flange plate and drives the upper die to move downwards, a guide post on the lower die can be just inserted into a guide sleeve to position and guide the die, the phenomenon of deviation is avoided, the upper die is attached to the surface of the lower die, a pressure head post on the upper die continuously moves downwards to extrude a steel plate, a spring is driven to compress after a squeezing plate is stressed, a rotating shaft reduces crease marks through rolling, the upper die moves upwards after bending and forming are finished, so that the spring is reset, a finished product is ejected out, when steel plates with different angles are processed, the height of a hydraulic rod is adjusted, the proper pressure head post and a forming groove are replaced, meanwhile, the height of the squeezing plate is adjusted, a knob is rotated, a screw rod can drive a nut block to rotate, and the nut block is fixedly connected with a limiting rod, the sliding connection of gag lever post and spout, the circumferential motion of nut piece has been restricted through the spout to the gag lever post, and the nut piece can only reciprocate, and the nut piece drives the stripper plate through the guide arm and removes to this comes the not equidimension steel sheet of affairs and bends.

The bending device is simple to operate and convenient to use, not only can avoid the phenomenon of mold clamping or crease during the bending process, but also can perform bending operation on the steel plate at different angles, and brings convenience to operators.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front view of a steel sheet processed according to the present invention;

FIG. 3 is a schematic view of the structure at A in the present invention;

in the figure: 1. an upper die; 2. a fixing plate; 3. a guide sleeve; 4. a guide post; 5. pressing the column; 6. a pressure head column; 7. a lower die; 8. a pressing plate; 9. a support plate; 10. a spring; 11. a guide bar; 12. moving the hole; 13. a nut block; 14. a screw; 15. a knob; 16. a base; 17. a top block is arranged; 18. forming a groove; 19. a limiting block; 20. a limiting rod; 21. a chute; 22. a hydraulic lever; 23. a rotating shaft.

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. 1-3, the present invention provides a technical solution: a traceless flap bending die comprises an upper die 1, a hydraulic cylinder is fixedly mounted at the top end of the upper die 1, a fixed plate 2 is fixedly connected at the bottom end of the upper die 1, guide sleeves 3 are fixedly connected at four corners of the bottom end of the fixed plate 2, guide posts 4 are sleeved in the guide sleeves 3 in a sliding manner, a lower pressing post 5 is fixedly mounted at the bottom end of the fixed plate 2, a detachable pressing post 6 is fixedly mounted at the bottom end of the lower pressing post 5, the bottom ends of the four guide posts 4 are fixedly connected with a same lower die 7, a squeezing plate 8 is fixedly mounted at a groove of the lower die 7, a support plate 9 is fixedly mounted below the squeezing plate 8, a plurality of springs 10 which are same in size and are uniformly distributed are fixedly mounted between the support plate 9 and the squeezing plate 8, two corresponding guide rods 11 are fixedly welded at the bottom end of the support plate 9, the guide rods 11 can slide in moving holes 12, nut blocks 13 are fixedly mounted at the bottom ends of the guide rods 11, a screw 14 is sleeved in the nut block 13 through an internal thread, a knob 15 is fixedly connected to the bottom end of the screw 14, bases 16 are fixedly welded to two sides of the lower die 7, an upper ejector block 17 is fixedly installed at the top end of the extrusion plate 8, and a detachable forming groove 18 is fixedly installed in the upper ejector block 17;

the fixed bolt is fixedly installed on the base 16, the limit block 19 is fixedly welded on the screw rod 14, the limit block 19 is fixedly installed inside the lower die 7, the limit rod 20 is fixedly welded on one side of the nut block 13, the sliding groove 21 corresponding to the limit rod 20 is formed in the inner wall of the moving hole 12, the hydraulic rods 22 are fixedly connected to the two sides of the forming groove 18 at the top end of the extrusion plate 8, the rotatable rotating shaft 23 is fixedly installed on the top pipe of the hydraulic rod 22, the forming groove 18 is located right above the pressing head column 6, and the pressing head column 6 corresponds to the forming groove 18 in shape.

The working principle is as follows: firstly, a lower die 7 on a base 16 is fixed at a proper position through a fixing bolt, an upper die 1 is fixedly connected with a hydraulic cylinder through a flange plate to drive the upper die 1 to move downwards, a guide post 4 on the lower die 7 can be just inserted into a guide sleeve 3 to position and guide the die, the phenomenon of deviation is avoided, the surfaces of the upper die 1 and the lower die 7 are attached, a pressure head post 6 on the upper die 1 continuously moves downwards to extrude a steel plate, a pressing plate 8 is stressed to drive a spring to compress, a rotating shaft 23 reduces a crease through rolling, after bending and forming are finished, the upper die 1 moves upwards to reset the spring 10, a finished product is ejected, when steel plates with different angles are processed, the height of a hydraulic rod 22 is adjusted, the proper pressure head post 6 and a forming groove 18 are replaced, meanwhile, the height of the pressing plate 8 is adjusted, a knob 15 is rotated, a screw 14 can drive a nut block 13 to rotate, because the nut block 13 is fixedly connected with the limiting rod 20, the limiting rod 20 is slidably connected with the sliding groove 21, the limiting rod 20 limits the circular motion of the nut block 13 through the sliding groove 21, the nut block 13 only can move up and down, and the nut block 13 drives the extrusion plate 8 to move through the guide rod 11, so that steel plates with different sizes are suitable for bending.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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.