CN210966638U

CN210966638U - Compound cold pressing die

Info

Publication number: CN210966638U
Application number: CN201921632578.3U
Authority: CN
Inventors: 方晋
Original assignee: Fuzhou Huanyu Arts And Crafts Co ltd
Current assignee: Fuzhou Huanyu Arts And Crafts Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-07-10
Anticipated expiration: 2029-09-28

Abstract

The utility model discloses a compound cold pressing die, comprising a base plate, the top fixed mounting of bottom plate has the roof, fixed mounting has the die holder on the roof of bottom plate, the upper die base is installed to the top liftable of die holder, evenly install a plurality of guide posts between die holder and the upper die base, fixed mounting has the terrace die of mutually supporting with the die holder on the diapire of upper die base, fixed mounting has the hydraulic press on the roof of roof, the output fixed mounting of hydraulic press has the piston rod, and the bottom of piston rod runs through roof and fixed mounting on the upper die base, the work piece has been placed on the roof of die holder, be equipped with on the terrace die with the tight device of inhaling of work piece mutually supporting. The utility model discloses when well terrace die moves down and contacts each other with the work piece, start the aspiration pump and just can inhale the bottom tightly at the terrace die with the work piece to take place the offset between work piece and the terrace die when can preventing that the terrace die from pushing down the work piece, thereby improved the shaping quality of work piece, reasonable in design.

Description

Compound cold pressing die

Technical Field

The utility model relates to the technical field of mold, especially, relate to a compound cold pressing mold.

Background

The stamping die is a special technological equipment for processing metal material or nonmetal into parts or semi-finished products in cold stamping, called cold stamping die commonly called cold stamping die, stamping, and is a pressure processing method for obtaining required parts by applying pressure to the material by using a die arranged on a press machine at room temperature to generate separation or plastic deformation.

The existing composite cold-pressing die is often poor in forming quality of a workpiece due to the fact that the workpiece and a punch are offset when the workpiece is machined, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the forming quality of the workpiece is poor because the workpiece and the terrace die are offset and the compound cold pressing die is provided in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compound cold pressing die, includes the bottom plate, the top fixed mounting of bottom plate has the roof, fixed mounting has the die holder on the roof of bottom plate, the upper die base is installed to the top liftable of die holder, evenly install a plurality of guide posts between die holder and the upper die base, fixed mounting has the terrace die of mutually supporting with the die holder on the diapire of upper die base, fixed mounting has the hydraulic press on the roof of roof, the output fixed mounting of hydraulic press has the piston rod, and the bottom of piston rod runs through roof and fixed mounting on the upper die base, the work piece has been placed on the roof of die holder, be equipped with on the terrace die with the tight device of inhaling of work piece mutually supporting.

Preferably, the tight device of inhaling includes that the symmetry is inserted two exhaust tubes of establishing on the terrace die diapire, and the top of two exhaust tubes all runs through terrace die and upper die base and extends to the upside of upper die base, two the common fixedly connected with connecting pipe in top of exhaust tube, be connected with metal collapsible tube on the connecting pipe, the one end that metal collapsible tube kept away from the connecting pipe is connected with the aspiration pump, and aspiration pump fixed mounting is on the roof of roof.

Preferably, the bottom ends of the two exhaust pipes are fixedly provided with rubber pads, and the bottom ends of the rubber pads and the bottom end of the male die are at the same horizontal height.

Preferably, an air inlet pipe is fixedly installed on the connecting pipe, and a control valve is installed on the air inlet pipe.

Preferably, two all fixed blocks of fixed mounting on the lateral wall on exhaust tube top, and two fixed blocks all weld on the roof of upper die base.

Preferably, both the suction pipes are stainless steel metal pipes.

Compared with the prior art, the utility model discloses there is following beneficial effect:

1. when the male die moves downwards and is contacted with the workpiece, the workpiece can be tightly sucked at the bottom end of the male die by starting the air suction pump, so that the workpiece and the male die are prevented from being shifted when the male die presses the workpiece, the forming quality of the workpiece is improved, and the design is reasonable;

2. after the workpiece is formed, the workpiece is tightly sucked at the bottom end of the male die, so that the workpiece can be conveniently taken out of the lower die holder by upward movement of the male die, the workpiece can be conveniently taken out of the bottom end of the male die by closing the air suction pump and opening the control valve, and the pneumatic forming machine is reasonable in design and good in practical effect.

Drawings

Fig. 1 is a front structural sectional view of a composite cold pressing mold provided by the utility model;

fig. 2 is a schematic front structural view of a composite cold pressing mold provided by the utility model;

fig. 3 is the utility model provides a enlarger of a part of structure of compound cold pressing die.

In the figure: the device comprises a base plate 1, a top plate 2, a lower die holder 3, an upper die holder 4, a guide column 5, a male die 6, a hydraulic press 7, a piston rod 8, a workpiece 9, an exhaust tube 10, a connecting tube 11, a metal hose 12, an exhaust pump 13, a rubber pad 14, an air inlet tube 15, a control valve 16 and a fixing block 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a composite cold pressing mold comprises a bottom plate 1, a top plate 2 is fixedly installed at the top end of the bottom plate 1, a lower die holder 3 is fixedly installed on the top wall of the bottom plate 1, an upper die holder 4 is installed at the top end of the lower die holder 3 in a lifting manner, a plurality of guide posts 5 are uniformly installed between the lower die holder 3 and the upper die holder 4, a male die 6 matched with the lower die holder 3 is fixedly installed on the bottom wall of the upper die holder 4, a hydraulic machine 7 is fixedly installed on the top wall of the top plate 2, a piston rod 8 is fixedly installed at the output end of the hydraulic machine 7, the bottom end of the piston rod 8 penetrates through the top plate 2 and is fixedly installed on the upper die holder 4, the piston rod 8 is driven by the hydraulic machine 7 to drive the upper die holder 4 and the male die 6 to move up and down, a workpiece 9 is placed on the top wall, terrace die 6 and upper die base 4 are all run through and extend to the upside of upper die base 4 to the top of two exhaust tubes 10, the common fixedly connected with connecting pipe 11 in top of two exhaust tubes 10, be connected with metal collapsible tube 12 on the connecting pipe 11, the one end that metal collapsible tube 12 kept away from connecting pipe 11 is connected with aspiration pump 13, and aspiration pump 13 fixed mounting is on the roof of roof 2, when terrace die 6 moves down and contacts with work piece 9 each other, it can take out exhaust tube 10 to start aspiration pump 13, the air in connecting pipe 11 and the metal collapsible tube 12, thereby just can inhale tightly the bottom at terrace die 6 with work piece 9, thereby can prevent to take place the offset between work piece 9 and the terrace die 6 when terrace die 6 pushes down work piece 9, thereby the shaping quality of work piece has been improved, and reasonable design.

Rubber pads 14 are fixedly mounted at the bottom ends of the two air exhaust pipes 10, the bottom ends of the rubber pads 14 and the bottom end of the male die 6 are at the same horizontal height, the sealing performance of the connection between the workpiece 9 and the bottom end of the male die 6 can be improved, and therefore the workpiece 9 can be conveniently and tightly sucked at the bottom end of the male die 6.

An air inlet pipe 15 is fixedly arranged on the connecting pipe 11, a control valve 16 is arranged on the air inlet pipe 15, the air suction pump 13 is closed, the control valve 16 is opened, air can enter the connecting pipe 11 and the air suction pipe 10, and therefore the workpiece 9 can be conveniently detached from the bottom end of the male die 6.

All fixed block 17 is fixedly mounted on the outer side wall at the top ends of the two exhaust tubes 10, and the two fixed blocks 17 are all welded on the top wall of the upper die base 4, so that the exhaust tubes 10 are conveniently and fixedly mounted on the upper die base 4 and the male die 6, and the exhaust tubes 10 are prevented from shaking.

The two exhaust pipes 10 are stainless steel metal pipes and are not easy to bend and deform, so that the exhaust pipes 10 are prevented from shaking randomly, and the sealing performance of connection between the male die 6 and the workpiece 9 is improved.

The utility model discloses in, terrace die 6 moves down and when contacting each other with work piece 9, start aspiration pump 13 and can take out exhaust tube 10, the air in connecting pipe 11 and the metal collapsible tube 12, thereby just can inhale tightly the bottom at terrace die 6 with work piece 9, thereby can prevent that terrace die 6 from taking place the offset between work piece 9 and the terrace die 6 when pushing down work piece 9, after work piece 9 shaping, because work piece 9 inhales tightly in the bottom of terrace die 6, consequently, terrace die 6 upward movement just can be convenient take out fashioned work piece 9 from die holder 3, close aspiration pump 13 and open that control valve 16 just can be convenient take off fashioned work piece 9 from the bottom of terrace die 6.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

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.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a compound cold pressing mold, includes bottom plate (1), its characterized in that: the top end of the bottom plate (1) is fixedly provided with a top plate (2), the top wall of the bottom plate (1) is fixedly provided with a lower die holder (3), an upper die holder (4) is arranged at the top end of the lower die holder (3) in a lifting way, a plurality of guide posts (5) are uniformly arranged between the lower die holder (3) and the upper die holder (4), a convex die (6) which is matched with the lower die holder (3) is fixedly arranged on the bottom wall of the upper die holder (4), a hydraulic machine (7) is fixedly arranged on the top wall of the top plate (2), a piston rod (8) is fixedly arranged at the output end of the hydraulic machine (7), the bottom end of the piston rod (8) penetrates through the top plate (2) and is fixedly arranged on the upper die holder (4), a workpiece (9) is placed on the top wall of the lower die holder (3), and a suction device matched with the workpiece (9) is arranged on the male die (6).

2. A compound cold press die according to claim 1, characterized in that: inhale tight device and insert two exhaust tubes (10) of establishing on terrace die (6) diapire including the symmetry, the top of two exhaust tubes (10) all runs through terrace die (6) and upper die base (4) and extends to the upside of upper die base (4), two the common fixedly connected with connecting pipe (11) in top of exhaust tube (10), be connected with metal collapsible tube (12) on connecting pipe (11), the one end that connecting pipe (11) were kept away from in metal collapsible tube (12) is connected with aspiration pump (13), and aspiration pump (13) fixed mounting is on the roof of roof (2).

3. A compound cold press die according to claim 2, characterized in that: rubber pads (14) are fixedly mounted at the bottom ends of the two air exhaust pipes (10), and the bottom ends of the rubber pads (14) and the bottom end of the male die (6) are at the same horizontal height.

4. A compound cold press die according to claim 2, characterized in that: an air inlet pipe (15) is fixedly mounted on the connecting pipe (11), and a control valve (16) is mounted on the air inlet pipe (15).

5. A compound cold press die according to claim 2, characterized in that: two all fixed block (17) of fixed mounting on the lateral wall on aspiration tube (10) top, and two fixed block (17) all weld on the roof of upper die base (4).

6. A compound cold press die according to claim 2, characterized in that: the two air exhaust pipes (10) are both stainless steel metal pipes.