CN212398021U

CN212398021U - Cold punching die

Info

Publication number: CN212398021U
Application number: CN202020914895.0U
Authority: CN
Inventors: 禹锦涛; 张梅英; 贾璇
Original assignee: Qingdao Yingkerun Transmission Technology Co ltd
Current assignee: Qingdao Yingkerun Transmission Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-01-26
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a cold punching die, which comprises a lower die holder, a forming structure, an ejection structure and a guide structure; a lower die base: the left side and the right side of the upper surface of the die holder are symmetrically provided with support plates, the rear end plate body of the lower die holder is provided with a force arm, a hydraulic pump and a telescopic column are arranged in a front end mounting hole of the force arm, and an output oil port of the hydraulic pump is communicated with an oil inlet of the telescopic column; and (3) forming structure: the telescopic column is arranged at the upper end of the support plate and corresponds to the telescopic column; ejecting structure: the lower die base is arranged at the upper end of the lower die base and corresponds to the forming structure; the guiding structure is as follows: the upper end of the forming structure is provided with a groove; wherein: still include control switch group and water course, control switch group sets up on the front end wall body of die holder, and the water course evenly sets up inside the plate body of shaping structure, and this cold die mould enables cold die mould rapid prototyping, and convenient operation is convenient for observe the state of pouring into the molten metal, can realize automatic liftout, and production efficiency is higher.

Description

Cold punching die

Technical Field

The utility model relates to a cold die cutter technical field specifically is a cold die cutter mould.

Background

Cold stamping is a press working method which utilizes a stamping die to apply pressure on a plate material or a hot material on a press machine at normal temperature to cause the plate material or the hot material to generate plastic deformation or separation so as to obtain a part with a required shape and size. In cold stamping, the cold stamping die is the processing equipment used for stamping, the advanced stamping process cannot be realized without the advanced cold stamping die, stamping equipment, a die and processing conditions are three key elements of stamping, and because the shapes, the sizes, the precision requirements, the batch sizes, the raw material performances and the like of the workpieces processed by cold stamping are different, stamping methods are various, but the stamping methods can be broadly divided into two types, namely a separation process and a deformation process, wherein the separation process is to separate stamping parts or blanks from each other along a certain wheel mat, the deformation process is to enable the blanks to generate plastic deformation on the premise of not damaging materials to form the workpieces with required shapes and sizes, and when the workpieces are cut, the cold stamping die is required to be used, the cold stamping die is convenient to install and convenient to replace and is widely applied, and the die is mostly required to be used in the production process of the cold stamping die, however, the traditional die is inconvenient to operate, cannot realize automatic material ejection, and has low production efficiency, so that the cold punching die is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a cold die mould, enable cold die mould type rapid prototyping, convenient operation is convenient for observe the state of pouring into the molten metal, can realize automatic liftout, and production efficiency is higher, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cold punching die comprises a lower die holder, a forming structure, an ejection structure and a guide structure;

a lower die base: the left side and the right side of the upper surface of the die holder are symmetrically provided with support plates, the rear end plate body of the lower die holder is provided with a force arm, a hydraulic pump and a telescopic column are arranged in a front end mounting hole of the force arm, and an output oil port of the hydraulic pump is communicated with an oil inlet of the telescopic column;

and (3) forming structure: the telescopic column is arranged at the upper end of the support plate and corresponds to the telescopic column;

ejecting structure: the lower die base is arranged at the upper end of the lower die base and corresponds to the forming structure;

the guiding structure is as follows: the upper end of the forming structure is provided with a groove;

wherein: still include control switch group and water course, control switch group sets up on the front end wall body of die holder, and the water course evenly sets up inside the plate body of shaping structure, and external power source is connected to control switch group's input electricity, and control switch group's output is connected to the input electricity of hydraulic pump, enables cold die cutter model rapid prototyping, and convenient operation is convenient for observe the state of pouring into the molten metal, can realize automatic liftout, and production efficiency is higher.

Further, the shaping structure includes feeder hopper, exhaust hole, cope match-plate pattern, die cavity and lower bolster, the lower bolster sets up in the upper end of extension board, the cope match-plate pattern sets up in the lower extreme of flexible post, the cope match-plate pattern corresponds with the lower bolster position, the die cavity sets up respectively in the lower surface of cope match-plate pattern and the upper surface of lower bolster, the exhaust hole sets up on the left side plate body of cope match-plate pattern and communicates with each other with the die cavity of cope match-plate pattern lower extreme, the feeder hopper sets up on the upper surface right side plate body of upper die base and communicates with each other with the die cavity of cope match-plate pattern lower extreme, the plate internal portion of cope match-plate pattern and lower bolster is provided with evenly distributed.

Furthermore, the ejection structure comprises electro-hydraulic push rods, sliding blocks, conical sliding blocks, sliding chutes and ejection rods, wherein fixed ends of the electro-hydraulic push rods are symmetrically arranged at the left side and the right side of the upper surface of the lower die holder, telescopic ends of the electro-hydraulic push rods penetrate through holes in the support plate body, the outer side end faces of the symmetrically arranged sliding blocks are respectively fixedly connected with the telescopic ends of the corresponding electro-hydraulic push rods, the sliding blocks are respectively in sliding connection with sliding rails on the upper surface of the lower die holder through sliding strips, inclined planes at the left side and the right side of the conical sliding blocks are respectively in sliding connection with inclined planes at the inner sides of the corresponding sliding blocks, the bottom surfaces of the conical sliding blocks are in contact with the upper surface of the lower die holder, the upper ends of the conical sliding blocks are in sliding connection with the sliding chutes arranged on the lower end face of the lower die holder, the ejection rods are, automatic material ejection can be realized.

Furthermore, the guide structure comprises guide pillars and guide holes, the guide pillars are uniformly arranged on the upper surface of the lower template, the guide holes are uniformly arranged at four corners of the plate body of the upper template, the guide pillars and the guide holes are correspondingly connected in a sliding manner, a guide effect is achieved, and the symmetrical cavities can be completely corresponding.

Further, still include venthole and mounting hole, the venthole sets up respectively on the left and right sides plate body of lower bolster and all communicates with each other with the spout is inside, and the mounting hole evenly sets up on the left and right sides plate body of die holder, and the mould rocks when preventing to use, and the air in the spout of discharging fast prevents that inside air from receiving the extrusion and taking place danger.

Compared with the prior art, the beneficial effects of the utility model are that: this cold punching die has following benefit:

1. the upper die plate and the lower die plate are closed, molten metal is poured into the closed die cavity through the feed hopper, and evaporated gas is discharged from the exhaust holes during pouring, so that the cold punching die is quickly formed, the operation is convenient, and the state of pouring the molten metal is convenient to observe.

2. The electro-hydraulic push rods which are symmetrically arranged are controlled by the control switch group to work simultaneously, the outer end faces of the sliding blocks are respectively fixedly connected with the telescopic ends of the corresponding electro-hydraulic push rods, the sliding blocks are all connected with the sliding rails on the upper surface of the lower die holder in a sliding mode through the sliding strips, the electro-hydraulic push rods push the sliding blocks to move forwards, the inclined planes of the left side and the right side of each conical sliding block are respectively connected with the inner side inclined planes of the corresponding sliding blocks in a sliding mode, the upper ends of the conical sliding blocks are connected with sliding grooves which are formed in the lower end face of the lower die plate in a sliding mode, the sliding blocks push the conical sliding blocks to slide upwards along the sliding grooves, ejector rods which are evenly arranged at the upper ends of the.

Drawings

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

fig. 2 is the schematic view of the ejection structure of the present invention.

In the figure: the device comprises a lower die base 1, a forming structure 2, a feeding hopper 21, an exhaust hole 22, an upper die plate 23, a cavity 24, a lower die plate 25, an ejection structure 3, an electro-hydraulic push rod 31, a slide block 32, a conical slide block 33, a slide groove 34, an ejection rod 35, a guide structure 4, a guide pillar 41, a guide hole 42, a support plate 5, a control switch group 6, a water channel 7, an air outlet hole 8, a mounting hole 9, a force arm 10, a hydraulic pump 11 and a telescopic column 12.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a cold punching die comprises a lower die holder 1, a forming structure 2, an ejection structure 3 and a guide structure 4;

a lower die holder 1: the left side and the right side of the upper surface of the lower die holder are symmetrically provided with support plates 5, the rear end plate body of the lower die holder 1 is provided with a force arm 10, a hydraulic pump 11 and a telescopic column 12 are arranged in a front end mounting hole of the force arm 10, an output oil port of the hydraulic pump 11 is communicated with an oil inlet of the telescopic column 12, a mounting place is provided for an upper end structure, the hydraulic pump 11 is controlled to work through a control switch group 6, the telescopic column 12 drives an upper die plate 23 to move downwards, the upper die plate 23 corresponds to a lower die plate 25 in position, and the upper die plate 23;

and (3) forming a structure 2: the forming structure 2 comprises a feed hopper 21, an exhaust hole 22, an upper template 23, a cavity 24 and a lower template 25, the lower template 25 is arranged at the upper end of the support plate 5, the upper template 23 is arranged at the lower end of the telescopic column 12, the upper template 23 corresponds to the lower template 25, the cavities 24 are respectively arranged at the lower surface of the upper template 23 and the upper surface of the lower template 25, the exhaust hole 22 is arranged on the left plate body of the upper template 23 and is communicated with the cavity 24 at the lower end of the upper template 23, the feed hopper 21 is arranged on the right plate body of the upper surface of an upper die holder 26 and is communicated with the cavity 24 at the lower end of the upper template 23, water channels 7 which are uniformly distributed are arranged inside the plate bodies of the upper template 23 and the lower template 25, the upper template 23 and the lower template 25 are closed, metal liquid is poured into the closed cavity 24 through the feed hopper 21, and evaporated gas is discharged from, the cold punching die is rapidly formed, the operation is convenient, and the state of pouring the molten metal is convenient to observe;

the ejection structure 3: the ejection structure 3 comprises an electro-hydraulic push rod 31, sliders 32, tapered sliders 33, chutes 34 and ejector rods 35, fixed ends of the electro-hydraulic push rod 31 are symmetrically arranged at the left side and the right side of the upper surface of the lower die holder 1, telescopic ends of the electro-hydraulic push rod 31 penetrate through holes in a plate body of the support plate 5, outer side end faces of the symmetrically arranged sliders 32 are respectively fixedly connected with the telescopic ends of the corresponding electro-hydraulic push rods 31, the sliders 32 are all in sliding connection with slide rails on the upper surface of the lower die holder 1 through slide bars, inclined planes at the left side and the right side of the tapered sliders 33 are respectively in sliding connection with inclined planes on the inner sides of the corresponding sliders 32, the bottom surfaces of the tapered sliders 33 are in contact with the upper surface of the lower die holder 1, the upper ends of the tapered sliders 33 are in sliding connection with the chutes 34 arranged on the lower end face of the lower die plate 25, the ejector rods 35 are uniformly arranged on the upper surface of the tapered sliders, the symmetrically arranged electro-hydraulic push rods 31 are controlled to work simultaneously through the control switch group 6, the outer side end faces of the slide blocks 32 are respectively fixedly connected with telescopic ends of the corresponding electro-hydraulic push rods 31, the slide blocks 32 are all connected with slide rails on the upper surface of the lower die base 1 in a sliding mode through slide bars, the electro-hydraulic push rods 31 push the slide blocks 32 to move forwards, the inclined planes on the left side and the right side of each conical slide block 33 are respectively connected with the inclined planes on the inner side of the corresponding slide block 32 in a sliding mode, the upper end of each conical slide block 33 is connected with a slide groove 34 arranged on the lower end face of the lower die plate 25 in a sliding mode, each conical slide block 33 is pushed by the corresponding slide groove 34 to slide upwards, the material ejecting rods 35 evenly arranged on the upper end of each slide block 32 are respectively connected with the;

the guide structure 4: the guide structure 4 comprises guide pillars 41 and guide holes 42, the guide pillars 41 are uniformly arranged on the upper surface of the lower template 25, the guide holes 42 are uniformly arranged at four corners of the upper template 23, the guide pillars 41 are correspondingly and slidably connected with the guide holes 42 to play a role in guiding, and the symmetrically arranged cavities 24 can be completely corresponding;

wherein: still include control switch group 6 and water course 7, control switch group 6 sets up on the front end wall body of die holder 1, water course 7 evenly sets up inside the plate body of shaping structure 2, external power source is connected to control switch group 6's input electricity, the output of control switch group 6 is connected to the input electricity of electricity liquid push rod 31, the output of control switch group 6 is connected to hydraulic pump 11's input electricity, the coolant liquid passes through inside water course 7 gets into cope match-plate pattern 23 and lower bolster 25, accelerate the cooling, the efficiency is improved.

Wherein: still include venthole 8 and mounting hole 9, venthole 8 sets up respectively on the left and right sides plate body of lower bolster 25 and all communicates with each other with spout 34 is inside, and mounting hole 9 evenly sets up on the left and right sides plate body of die holder 1, uses the screw to pass through mounting hole 9 and fixes this mould to suitable position, and the mould rocks when preventing to use, and venthole 8 can discharge the air in the spout 34 fast, prevents that the inside air from receiving the extrusion and taking place danger.

When in use: the mould is fixed to a proper position through a mounting hole 9 by using a screw, the mould is prevented from shaking when in use, a hydraulic pump 11 is controlled to work through a control switch group 6, a telescopic column 12 drives an upper template 23 to move downwards, the upper template 23 corresponds to a lower template 25 in position, the upper template 23 and the lower template 25 are closed, guide posts 41 are uniformly arranged on the upper surface of the lower template 25, guide holes 42 are uniformly arranged at four corners of a plate body of the upper template 23, the guide posts 41 correspond to the guide holes 42 in position, so that the symmetrically arranged cavities 24 can be completely corresponding, molten metal is filled into the closed cavities 24 through a feed hopper 21, evaporated gas is discharged from exhaust holes 22 during filling, the cold punching die is rapidly molded, the operation is convenient, the state of the filled molten metal can be conveniently observed, after filling, the cooling liquid enters the upper template 23 and the lower template 25 through a water channel 7, the cooling is accelerated, the efficiency is improved, and, the symmetrically arranged electro-hydraulic push rods 31 are controlled to work simultaneously by the control switch group 6, the outer side end faces of the slide blocks 32 are respectively fixedly connected with the telescopic ends of the corresponding electro-hydraulic push rods 31, the slide blocks 32 are all connected with the slide rails on the upper surface of the lower die holder 1 in a sliding manner through slide bars, the electro-hydraulic push rods 31 push the slide blocks 32 to move forwards, the inclined planes on the left side and the right side of each conical slide block 33 are respectively connected with the inclined planes on the inner side of the corresponding slide block 32 in a sliding manner, the upper end of each conical slide block 33 is connected with a slide groove 34 arranged on the lower end face of the lower die plate 25 in a sliding manner, the slide blocks 32 push the conical slide blocks 33 to slide upwards along the slide grooves 34, the material ejecting rods 35 uniformly arranged on the upper ends, automatic liftout can be realized, and venthole 8 can discharge the air in the spout 34 fast, prevents that inside air from receiving the extrusion and taking place danger.

It should be noted that the electro-hydraulic push rod 31 disclosed in this embodiment may be an electro-hydraulic push rod of yao electro-hydraulic push rod factory model number DYTP1000 available from wuxi, and the control switch set 6 controls the electro-hydraulic push rod 31 to operate by a method commonly used in the prior art.

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.

Claims

1. The utility model provides a cold punching die which characterized in that: comprises a lower die holder (1), a forming structure (2), an ejection structure (3) and a guide structure (4);

lower die holder (1): support plates (5) are symmetrically arranged on the left side and the right side of the upper surface of the lower die holder (1), a force arm (10) is arranged on a rear end plate body of the lower die holder (1), a hydraulic pump (11) and a telescopic column (12) are arranged in a front end mounting hole of the force arm (10), and an oil outlet of the hydraulic pump (11) is communicated with an oil inlet of the telescopic column (12);

molding structure (2): the telescopic column is arranged at the upper end of the support plate (5) and is correspondingly arranged with the telescopic column (12);

ejection structure (3): the upper end of the lower die holder (1) is provided with a forming structure (2);

guide structure (4): is arranged at the upper end of the molding structure (2);

wherein: still include control switch group (6) and water course (7), control switch group (6) set up on the front end wall body of die holder (1), and water course (7) evenly set up inside the plate body of shaping structure (2), and external power source is connected to the input electricity of control switch group (6), and the output of control switch group (6) is connected to the input electricity of hydraulic pump (11).

2. A cold-die tool according to claim 1, wherein: the forming structure (2) comprises a feed hopper (21), exhaust holes (22), an upper template (23), a cavity (24) and a lower template (25), the lower template (25) is arranged at the upper end of the support plate (5), the upper template (23) is arranged at the lower end of the telescopic column (12), the upper template (23) corresponds to the lower template (25), the cavity (24) is respectively arranged at the lower surface of the upper template (23) and the upper surface of the lower template (25), the exhaust holes (22) are arranged on a left side plate body of the upper template (23) and communicated with the cavity (24) at the lower end of the upper template (23), the feed hopper (21) is arranged on a right side plate body of the upper surface of an upper die base (26) and communicated with the cavity (24) at the lower end of the upper template (23), and water channels (7) which are uniformly distributed are arranged inside the plate bodies of the upper template (23) and the.

3. A cold-die tool according to claim 2, wherein: the ejection structure (3) comprises electro-hydraulic push rods (31), sliders (32), conical sliders (33), chutes (34) and ejector rods (35), fixed ends of the electro-hydraulic push rods (31) are symmetrically arranged at the left side and the right side of the upper surface of the lower die holder (1), telescopic ends of the electro-hydraulic push rods (31) penetrate through holes in a plate body of the support plate (5), outer side end faces of the symmetrically arranged sliders (32) are respectively and fixedly connected with the corresponding telescopic ends of the electro-hydraulic push rods (31), the sliders (32) are respectively and slidably connected with sliding rails on the upper surface of the lower die holder (1) through sliding strips, inclined planes at the left side and the right side of each conical slider (33) are respectively and slidably connected with inclined planes at the inner sides of the corresponding sliders (32), the bottom surfaces of the conical sliders (33) are in contact with the upper surface of the lower die holder (1), the upper ends of the conical sliders (33) are slidably, the material ejecting rods (35) are uniformly arranged on the upper surface of the conical sliding block (33), the material ejecting rods (35) are respectively in sliding connection with the through holes corresponding to the lower end of the lower template (25), and the input end of the electro-hydraulic push rod (31) is electrically connected with the output end of the control switch group (6).

4. A cold-die tool according to claim 2, wherein: the guide structure (4) comprises guide columns (41) and guide holes (42), the guide columns (41) are uniformly arranged on the upper surface of the lower template (25), the guide holes (42) are uniformly arranged at four corners of the plate body of the upper template (23), and the guide columns (41) are correspondingly connected with the guide holes (42) in a sliding mode.

5. A cold-die tool according to claim 3, wherein: still include venthole (8) and mounting hole (9), venthole (8) set up respectively on the left and right sides plate body of lower bolster (25) and all communicate with each other with spout (34) are inside, and mounting hole (9) evenly set up on the left and right sides plate body of die holder (1).