CN106180240B - The tools and method of disc red copper part with rectangle hypotenuse groove and through groove - Google Patents
The tools and method of disc red copper part with rectangle hypotenuse groove and through groove Download PDFInfo
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- CN106180240B CN106180240B CN201610556042.2A CN201610556042A CN106180240B CN 106180240 B CN106180240 B CN 106180240B CN 201610556042 A CN201610556042 A CN 201610556042A CN 106180240 B CN106180240 B CN 106180240B
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- rectangle
- groove
- punch
- hypotenuse
- red copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention provides a kind of tools and method of the disc red copper part with rectangle hypotenuse groove and through groove.The tools with rectangle hypotenuse groove and the disc red copper part through groove include：Make the extrusion die of hypotenuse groove and rectangle straight trough and the rectangle straight trough is fabricated to the diel through groove；The extrusion die includes：The upper extrusion die and lower extrusion die to cooperate.The diel includes：The upper diel and lower diel to cooperate.The preparation method includes：Step A：Blank is squeezed out into hypotenuse groove and rectangle straight trough simultaneously using pressing method；The hypotenuse groove and rectangle straight trough are adjacent and are arranged side by side；The number of the hypotenuse groove and rectangle straight trough is more than at least three；Step B：By multiple rectangle straight troughs, striking out multiple rectangles runs through groove simultaneously.Process of the present invention is simple, production efficiency is high.
Description
Technical field
The present invention relates to a kind of tools and method of the disc red copper part with rectangle hypotenuse groove and through groove.
Background technology
Disc red copper part shown in Fig. 1 and Fig. 2 is general industrial part, can be widely used in heat transfer, electricity
The industries such as power.The material of the disc red copper part is red copper, and global shape is disc, and disc red copper part has more than three groups
The rectangle hypotenuse groove of (for example, for four groups, five groups or six groups) and through groove (being referred to as rectangular through-hole through groove), every group of square
Shape hypotenuse groove and include a rectangle hypotenuse groove and a rectangle through groove and run through groove, one rectangle hypotenuse groove and described one
Individual rectangle is adjacent through groove and is arranged side by side, and one rectangle hypotenuse groove runs through the length side of groove with one rectangle
To for the tangential of the disc red copper part or radially, and one rectangle hypotenuse groove and one rectangle are through groove
Length is respectively less than the radius of the disc red copper part.
Prior art is using machine-tooled method processing red copper part, but is found after actual production, using this method plus
The work part particularly mills out the hypotenuse groove of its end face with milling machine and during through groove, because the part has the groove needs at six positions
Processing, the processing for often completing a groove are required for dismounting to carry out clamping and positioning again, it is very low so to allow for production efficiency.And
And hypotenuse groove after milling out and do not reach requirement through rooved face dimensional accuracy and must also increase follow-up process essence is carried out to it
Repair.In addition, processing after disc red copper part can not be jagged, and machine after hypotenuse groove and at groove all with jagged
And overlap, therefore, it is also desirable to remove flash removed and overlap.So the red copper part is processed, it is necessary to multiple with existing machine-tooled method
Step, complex procedures, low production efficiency, low precision, influence Production Time of product.
In summary, problems with the prior art be present：Disc red copper part with rectangle hypotenuse groove and through groove
Production process complexity, low production efficiency, low precision.
The content of the invention
The present invention provides a kind of tools and method with rectangle hypotenuse groove and the disc red copper part through groove, with
Solve the problems, such as that there is rectangle hypotenuse groove and the disc red copper part production process complexity, low production efficiency, low precision through groove.
Therefore, the present invention proposes a kind of tools with rectangle hypotenuse groove and the disc red copper part through groove, institute
State disc red copper part includes one with more than three groups of rectangle hypotenuse groove and through groove, every group of rectangle hypotenuse groove and through groove
Rectangle hypotenuse groove and a rectangle run through groove, and one rectangle hypotenuse groove is adjacent through groove with one rectangle and simultaneously
Row is set, and one rectangle hypotenuse groove is with one rectangle through the string that the length direction of groove is the disc red copper part
To or radially, and one rectangle hypotenuse groove and one rectangle are respectively less than the disc red copper through the length of groove
The radius of part；
The tools with rectangle hypotenuse groove and the disc red copper part through groove include：
Make the extrusion die of hypotenuse groove and rectangle straight trough and the rectangle straight trough is fabricated to the diel through groove；
The extrusion die includes：The upper extrusion die and lower extrusion die to cooperate；
The upper extrusion die includes：Extruding punch with extruding boss；The extruding boss has and the rectangle
The hypotenuse of hypotenuse groove same shape；
The lower extrusion die includes：Disc and the Extruding die with rectangular boss；
Cooperate to be formed after extruding between the extruding punch and Extruding die and there is rectangle hypotenuse groove and rectangle straight trough
Extruding groove；
The diel includes：The upper diel and lower diel to cooperate；
The upper diel includes：Punching press punch-pin with rectangle punch-pin blade；The rectangle punch-pin blade it is transversal
Face shape matches with the shape of rectangle straight trough；
The lower diel includes：Accommodate the stamping cavity die of the rectangle punch-pin blade.
Further, the extrusion die also includes：It is arranged on in the lower extrusion die, to the disc red copper
The locating rod of part positioning, the locating rod are directed at the center of circle of the disc red copper part and run through the Extruding die.
Further, the extrusion die also includes：It is arranged in the lower extrusion die and the upper extrusion die is determined
The pilot pin of position, it is arranged on the first unloading bolt that the Extruding die is pushed against in the lower extrusion die and is set in described the
The first mould unloading spring on one unloading bolt.
Further, the extrusion die also includes：It is arranged in the upper extrusion die and is pushed against the extruding boss
On the second unloading bolt and the second mould unloading spring for being set on second unloading bolt.
Further, the number of the rectangle punch-pin blade is multiple, the setting that each rectangle punch-pin blade can be dismantled
On the punching press punch-pin.
Further, the punching press punch-pin includes：Punch retainer；
The bottom surface of the punch retainer is provided with multiple slots, and each slot accommodates a rectangle punch-pin blade,
The pressing direction of rectangle punch-pin blade described in the plane perpendicular of the punch retainer；
The side of the punch retainer is provided with side board, and the punching press punch-pin also includes：From the side board to
The blade trip bolt that the side surface direction of the punch retainer is worn, the blade trip bolt is by the rectangle punch-pin blade
It is fastened between the side board and the slot.
Further, the rectangle punch-pin blade includes：The fixed part at the top being sequentially connected from top to bottom, middle insert
Groove portion, the pressing part of bottom；The lateral cross of the rectangle punch-pin blade is T-shaped, the cross section shape of the pressing part of the bottom
Shape is rectangle, and the socket of the centre is contained in the slot, and the slot is open slot, the fixed part at the top
One end is pushed against the inner side blind end of the slot, and the other end of the fixed part at the top is located at the opening in the slot
And pushed against by the side board, the thickness of the fixed part at the top is more than the thickness of the socket of the centre, the top
The length of the fixed part in portion is more than the length of the socket of the centre, and the thickness of the socket of the centre is more than the bottom
Pressing part thickness, be chamfered transition or round-corner transition between the socket of the centre and the pressing part of the bottom.
The present invention also proposes a kind of preparation method with rectangle hypotenuse groove and the disc red copper part through groove, for making
Make foregoing disc red copper part, the preparation method includes：
Step A：Blank is squeezed out into hypotenuse groove and rectangle straight trough simultaneously using pressing method；The hypotenuse groove and rectangular
Groove is adjacent and is arranged side by side；The number of the hypotenuse groove and rectangle straight trough is more than at least three；
Step B：By multiple rectangle straight troughs, striking out multiple rectangles runs through groove simultaneously.
Further, the preparation method also includes step C：Centre bore, the step are processed at the center of the blank
Rapid C occurs before the step A, and the preparation method also includes：In step, it is inserted into the centre bore with locating rod
In, the blank is positioned；The preparation method also includes step D：After stepb, elastic tripper top is passed through
Go out the disc red copper part in diel by vacuum suction.
Further, using foregoing tools, while punching press is carried out using multiple rectangle punch-pin blades, and
Each rectangle punch-pin blade is the setting that can be dismantled.
Compared with the existing hypotenuse groove that the red copper part is milled out using milling machine and through the method for groove, the first mold, which utilizes, to be squeezed
The hypotenuse groove and rectangle straight trough of pressing formation part, the second mold are passed through on the basis of first set die forming using stamping
Wears groove, it is compared to tradition machining and mills out hypotenuse groove and only need two procedures to complete the shaping to it through groove.Process
Simply, production efficiency is high, and this two mold is simple in construction in addition, and cost is low, easy for installation, strong applicability, can be good at full
Full border production requirement.
The mould of the present invention can extrude rectangle hypotenuse groove and rectangle simultaneously when processing the hypotenuse groove of part and through groove
Straight trough, reduces rectangle hypotenuse groove and rectangle runs through the burr between groove or respective edge；With precision height, impulse- free robustness, non-trimming,
It is high in machining efficiency, production cost can be reduced when being produced in enormous quantities especially for enterprise, brings economic benefit.
The design of the rectangle punch-pin blade of separate type in diel, have it is simple in construction, change with it is easy for installation, enter one
Step can be cost-effective.
Brief description of the drawings
Fig. 1 is the main structure diagram for the disc red copper part that the present invention processes；
Fig. 2 is the overlooking the structure diagram for the disc red copper part that the present invention processes；
Fig. 3 be the embodiment of the present invention have rectangle hypotenuse groove and through groove disc red copper part tools squeeze
The assembling structure schematic diagram of compression mould；
Fig. 4 is the structural representation of the locating rod of the embodiment of the present invention；
Fig. 5 is the main structure diagram of the internal model of the extruding punch of the embodiment of the present invention；
Fig. 6 is Fig. 5 A-A to cross section structure diagram；
Fig. 7 is the overlooking the structure diagram of the internal model of the extruding punch of the embodiment of the present invention；
Fig. 8 is the cross section structure diagram in the main view direction of the overcoat of the extruding punch of the embodiment of the present invention；
Fig. 9 is the overlooking the structure diagram of the overcoat of the extruding punch of the embodiment of the present invention；
Figure 10 is the cross section structure diagram in the main view direction of the Extruding die of the embodiment of the present invention；
Figure 11 is the overlooking the structure diagram of the Extruding die of the embodiment of the present invention；
Figure 12 is the tools with rectangle hypotenuse groove and the disc red copper part through groove of the embodiment of the present invention
The assembling structure schematic diagram of diel；
Figure 13 is the main structure diagram of the rectangle punch-pin blade of the embodiment of the present invention；
Figure 14 is the side structure schematic view of the rectangle punch-pin blade of the embodiment of the present invention；
Figure 15 is the present invention looks up structural representation of the rectangle punch-pin blade of the embodiment of the present invention；
Figure 16 is the main structure diagram of the punch retainer of the embodiment of the present invention；
Figure 17 is the overlooking the structure diagram of the punch retainer of the embodiment of the present invention.
Drawing reference numeral explanation：
The overcoat 6- extruding of 1- lower template 2- lower bolsters 3- the first unloading bolt 4- Extruding die 5- extruding punch is convex
Internal model 7- upper padding plate 8- cope plates 9- the second unloading bolt 10- the second mould unloading spring 11- soket head cap screws 12- of mould determines
Position bar 13- pilot pins 14- the first mould unloading spring 15- soket head cap screws
Hexagonal spiral shell in baffle plate 76- dischargings on 71- lower mould bottom plate 72- stamping cavity die 73- discharging version 74- springs 75-
Follow closely 77- outer-hexagonal bolts 78- rectangle punch-pin blade 79- punch retainer 710- soket head cap screw 711- side boards
712- guide pin bushing 713- guide pillar 714- soket head cap screw 715- lower bolsters
120 positioning boss
50- disc red copper part 51- rectangle hypotenuse groove 52- rectangles run through groove
61- first extrudes boss 62- second and extrudes boss
55- positioning hole 57- through holes
40- mold groove 42- through holes
The fixed part at the top of pressing part 7811 of the socket 783- bottoms among the fixed part 782- at the top of 781-
Second end of the fixed part at the top of first end 7812-
The lateral screws of 790- slots 792-
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now control illustrates this hair
It is bright.
The present invention proposes a kind of tools with rectangle hypotenuse groove and the disc red copper part through groove, such as Fig. 1, figure
Shown in 2, the disc red copper part 50 every group of rectangle hypotenuse groove and runs through with more than three groups of rectangle hypotenuse groove and through groove
Groove includes a rectangle hypotenuse groove 51 and a rectangle runs through groove 52 (through hole for being referred to as rectangle), and 6 are shown in Fig. 2
Group rectangle hypotenuse groove 51 and rectangle run through groove 52, and one rectangle hypotenuse groove 51 is adjacent through groove 52 with one rectangle
And it is arranged side by side, rectangle hypotenuse groove 51 shares a side with rectangle through groove 52.Rectangle hypotenuse groove 51 runs through groove 52 with rectangle
Length direction for the disc red copper part tangential or radially, and rectangle hypotenuse groove 51 runs through the length of groove 52 with rectangle
The radius of respectively less than described disc red copper part 50；
The tools with rectangle hypotenuse groove and the disc red copper part through groove include：
The extrusion die for making hypotenuse groove and rectangle straight trough as shown in Figure 3, and it is as shown in figure 12 by the rectangular
Groove is fabricated to the diel through groove；Disc red copper part 50 is squeezed out hypotenuse groove and rectangle straight trough by extrusion die, now,
Rectangle straight trough does not run through disc red copper part 50, and on this basis, rectangle straight trough system is struck out through groove for diel；
As shown in figure 3, the extrusion die includes：The upper extrusion die and lower extrusion die to cooperate, i.e., using upper
Mould and lower mould；So mode of upper and lower mould extruding, easily lays blank, stability under loading；
The upper extrusion die includes：Extruding punch with extruding boss；The extruding boss has and the rectangle
The hypotenuse of hypotenuse groove same shape；As shown in Fig. 5, Fig. 6 and Fig. 7, extruding punch includes：The internal model 6 of extruding punch and it is set in
The overcoat 5 of extruding punch outside the internal model 6 of extruding punch, so, in that context it may be convenient to the internal model 6 of extruding punch is changed, such as Fig. 8
Shown in Fig. 9, the overcoat 5 of extruding punch is provided with positioning hole 55, for positioning and accommodating the internal model 6 of extruding punch, extruding punch
Overcoat 5 be provided with through hole 57, for being engaged with pilot pin 13, realize be oriented to and positioning.
Extruding boss is arranged in the internal model 6 of extruding punch, and extruding boss includes：The first adjacent extruding He of boss 61
Second extruding boss 62, the first extruding boss 61 matches with the shape or structure of rectangle hypotenuse groove 51, for directly extruding square
The shape or structure of shape hypotenuse groove 51, the second extruding boss 62 and rectangle straight trough match, for squeezing out rectangle straight trough in advance.
The extruding boss of the present invention squeezes simultaneously has two kinds of extrusion shapes, and rectangle hypotenuse groove 51 can be squeezed out simultaneously using extruding punch
With rectangle straight trough, efficiency high, the burr between rectangle hypotenuse groove 51 and rectangle straight trough or respective edge is reduced, improves Product Precision
And quality；
As shown in Fig. 3, Figure 10 and Figure 11, the lower extrusion die includes：Disc simultaneously has the extruding of rectangular boss recessed
Mould 4；
Cooperate to be formed after extruding between the extruding punch and Extruding die 4 and there is rectangle hypotenuse groove 51 and rectangular
The extruding groove of groove；
As shown in figure 12, the diel includes：The upper diel and lower diel to cooperate；
The upper diel includes：Punching press punch-pin with rectangle punch-pin blade 78；The rectangle punch-pin blade 78
Shape of cross section matches with the shape of rectangle straight trough, so as to which rectangle straight trough is struck out into rectangle, through groove 52, (rectangle leads to
Hole)；
The lower diel includes：Accommodate the stamping cavity die 72 of the rectangle punch-pin blade 78.Put on stamping cavity die 72
The blank of disc red copper part 50 is put, by 78 punching press to blank of blade of rectangle punch-pin, rectangle straight trough, which strikes out rectangle, to be run through
Groove 52 (rectangular through-hole), rectangle punch-pin blade 78 are finally fallen within stamping cavity die 72, complete stable punching press.
The present invention first uses the hypotenuse groove and rectangle straight trough of extrusion die formation of parts, then with diel in extrusion die
Run through groove using stamping on the basis of shaping, be compared to tradition machining and mill out hypotenuse groove and through groove, the present invention is only
Two procedures are needed to complete the shaping to it.The mould of the present invention is when processing the hypotenuse groove of part and through groove, Neng Goutong
When extrude rectangle hypotenuse groove and rectangle straight trough, reduce rectangle hypotenuse groove and rectangle runs through between groove or respective burr at edge；Tool
Have precision height, impulse- free robustness, non-trimming, it is high in machining efficiency the characteristics of.
Further, as shown in Figure 3 and Figure 4, the extrusion die also includes：It is arranged on in the lower extrusion die,
The locating rod 12 positioned to the blank of the disc red copper part 50, the locating rod 12 are directed at the circle of the disc red copper part
The heart simultaneously runs through the Extruding die 4.The top of locating rod 12 is provided with positioning boss 120, according to Fig. 3 and Figure 10, positioning boss 120
In the mold groove 40 for protruding into Extruding die 4 from the through hole 42 of Extruding die 4, to the bottom of the blank of disc red copper part 50
Portion is positioned.In order to preferably coordinate positioning, a centre bore can be processed in the bottom of the blank of disc red copper part 50.
Further, as shown in figure 3, the extrusion die also includes：It is arranged in the lower extrusion die on described
The pilot pin 13 of extrusion die positioning, it is arranged on the and of the first unloading bolt 3 that the Extruding die is pushed against in the lower extrusion die
The first mould unloading spring 14 being set on first unloading bolt 3.Due to disc red copper part 50 material ductility compared with
It is good, in order to avoid in extrusion process, the blank sticking to mould of disc red copper part 50, setting the first unloading bolt 3 and the first mould unloading bullet
Spring 14 can be easily stripped.Upper extrusion die is positioned and is oriented to when pilot pin 13 is used to extrude.
Further, as shown in figure 3, the extrusion die also includes：It is arranged in the upper extrusion die and is pushed against institute
The second unloading bolt 9 on extruding boss and the second mould unloading spring 10 being set on second unloading bolt 9 are stated, so as to
Prevent the blank of disc red copper part 50 sticking to mould on upper mould.So, process velocity is improved.
Further, as shown in figure 3, lower extrusion die also includes：Lower template 1 is used to be supported on working face, lower bolster 2
It is supported in lower template 1, the two is fastenedly connected by soket head cap screw 15, and Extruding die 4 is arranged on lower bolster 2.
Upper extrusion die also includes：Cope plate 8 and the upper padding plate 7 for being connected to the lower section of cope plate 8, the two passes through interior hexagonal spiral shell
The connection of nail 11, cope plate 8 are used to connect extrusion equipment, such as connect hydraulic test, the overcoat 5 of extruding punch and extruding punch
Internal model 6 is connected on upper padding plate 7.
Each part shown in Fig. 3, can be made by metal or alloy, to obtain stable and firm active force, realize steady
Fixed squeezing effect.
Further, as shown in Fig. 7 and Figure 17, the number of the rectangle punch-pin blade 78 is multiple, and each rectangle is convex
What mould blade 78 can be dismantled is arranged on the punching press punch-pin.When being punched through using punching press, blade (the rectangle punch-pin of punch-pin
Blade 78) it is stress the best part, wherein some cutting edge portion can bend or even collapse after a certain amount of part is produced
Sword, and the dimensional accuracy of punch-pin cutting edge largely decides the quality of drip molding in punching press, thus in production I
Be frequently necessary to change the blade (rectangle punch-pin blade 78) that is wherein broken.If six blades of punch-pin are made into monoblock type
, then just need all to change whole punch-pin when changing wherein some or certain several blades, which adds production
Cost.
It so need to only turn loose screw when changing wherein some blade and pull down side board can to complete to change, remaining is just
The blade often to work need not can be then replaced, and so be greatly lowered production cost.Here it is the separate type of this mold is convex
Mode structure, with easy for installation, same can be cost-effective for simple in construction, replacing.
Further, as shown in Figure 12 and Figure 16, the punching press punch-pin includes：Punch retainer 79；
As shown in Figure 16 and Figure 17, the bottom surface of the punch retainer 79 is provided with multiple slots 790, each slot 790
Accommodate a rectangle punch-pin blade 78 (i.e. rectangle punch-pin blade 78 is arranged in slot 790), the punch retainer 79
Plane perpendicular described in rectangle punch-pin blade 78 pressing direction, to realize punching press；
As shown in figure 12, the side of the punch retainer 79 is provided with side board 711, and the lateral of side board 711 sets
There is lateral screw 792, the punching press punch-pin also includes：From the side board 711 to the side side of the punch retainer 79
To the blade trip bolt (being, for example, outer-hexagonal bolts 77, be located in lateral screw 792) worn；
The rectangle punch-pin blade 78 is fastened on the side board 711 and the slot by the blade trip bolt
Between 790, or the rectangle punch-pin blade 78 is fastened in slot 790 by outer-hexagonal bolts 77.So change wherein certain
Loose screw need to only be turned during one blade pull down side board can to complete to change, not influence the use or replacing of other blades, its
The blade of remaining normal work need not can be then replaced, moreover, in side knockout screw, convenient, safety.
Further, as shown in Figure 13, Figure 14 and Figure 15, the rectangle punch-pin blade 78 includes：Connect successively from top to bottom
The fixed part 781 at the top connect, middle socket 782, the pressing part 783 of bottom；The lateral of the rectangle punch-pin blade cuts
Face is T-shaped, to be positioned in slot；The fixed part 781 at top plays a part of being fixedly connected on punch retainer, middle
Socket 782 be used for be arranged in slot, the pressing part 783 of bottom plays a part of stamping blanks or rectangle straight trough；
The shape of cross section of the pressing part 783 of the bottom is rectangle, so as to punching press rectangle straight trough, the slot of the centre
Portion 782 is contained in the slot 790, and the slot 790 is open slot, and the first end 7811 of the fixed part at the top pushes against
In the inner side blind end of the slot 790, the second end 7812 of the fixed part at the top is located at the opening in the slot 790
Place is simultaneously pushed against by the side board 711；In such manner, it is possible to from rectangle punch-pin blade 78 is laterallyd secure without influenceing rectangle punch-pin knife
The vertical punching press of sword 78, protect the pressing part 783 of bottom；
The thickness of the fixed part 781 at the top is more than the thickness of the socket 782 of the centre, to be located by connecting on
The top of slot 790, the length of the fixed part 781 at the top are more than the length of the socket 782 of the centre, so as to side
Face baffle plate 711 pushes against, and the thickness of the socket 782 of the centre is more than the thickness of the pressing part 283 of the bottom, to provide
Sufficiently support, is oblique between the socket 782 of the centre and the pressing part 783 of the bottom as shown in Figure 13 and Figure 14
Face transition or round-corner transition, to avoid producing hangnail and overlap, improve machining accuracy.
As shown in figure 12, lower diel also includes：Lower mould bottom plate 71, support is provided for stamping tool；Lower mould bottom plate 71
Under be connected with lower bolster 715, play a part of support, can be supported on working face；Stamping cavity die 72 passes through interior hexagonal spiral shell
Nail 714 is fastened on the top of lower mould bottom plate 71.
Upper diel also includes：Upper baffle plate 75, for connecting hydraulic test or driving equipment, punch retainer 79 is logical
Cross soket head cap screw 710 to be connected on baffle plate 75, rectangle punch-pin blade 78 is vertical to be arranged on punch retainer 79, is unloaded
Material version 73 is located at the lower section of punch retainer 79, and is passed through by rectangle punch-pin blade 78.After the completion of punching press, inventor has found：
When rectangle punch-pin blade 78 lifts, because rectangle punch-pin blade 78 is larger to the stamping press of blank or disc red copper part 50, and
And the plasticity of blank or disc red copper part 50 is preferable, between rectangle punch-pin blade 78 and blank or disc red copper part 50 easily
Produce adhesion, in order to avoid sticking to mould, there is provided discharging version 73, so as to block the blank being bonded on rectangle punch-pin blade 78 or
Disc red copper part, to be stripped.
Discharging version 73 is connected on upper baffle plate 75 by discharging soket head cap screw 76, is arranged on discharging soket head cap screw 76
There is spring 74, for replying and discharging, outer-hexagonal bolts 77 by rectangle punch-pin blade 78 from being laterally fixed on side board 711
On.Guide pin bushing 712 is arranged on baffle plate 75, and the guide pillar 713 with being arranged in lower mould bottom plate 71 is realized positioning and led to cooperation
To effect.Each part shown in Figure 12, can be made by metal or alloy, to obtain stable and firm active force, realize
Stable squeezing effect.
The present invention also proposes a kind of preparation method with rectangle hypotenuse groove and the disc red copper part through groove, for making
Make foregoing disc red copper part, the preparation method includes：
Step A：Blank is squeezed out into rectangle hypotenuse groove and 51 rectangle straight troughs simultaneously using pressing method；The rectangle hypotenuse
Groove and rectangle straight trough are adjacent and be arranged side by side；The number of the hypotenuse groove and rectangle straight trough is more than at least three, example
Such as it is 6；
Step B：By multiple rectangle straight troughs, striking out multiple rectangles runs through groove 52 simultaneously.So, without using milling respectively
Bed mills out six hypotenuse grooves of end face and through groove, without what a hypotenuse groove of every milling and through groove will carry out again clamping and
Positioning；Thus, reduce process time；This method production efficiency is high, product quality is stable, interchangeability is good, can reach part
Dimension precision requirement.
Further, the preparation method also includes step C：In the blank (disc red copper part 50 to be processed)
Center processes centre bore, and the step C occurs before the step A, and the preparation method also includes：In step, use
Locating rod is inserted into the centre bore, and the blank is positioned；Blank due under is round pie and is placed on extruding
The die cavity (mold groove 40) of cavity plate is inner, thus when extruding punch it is descending progress extrusion molding hypotenuse groove when, blank by
It can be rotated during shearing force, so as to change the position of hypotenuse groove.The method that the present invention solves positioning is processed in blank bottom
One diameter is, for example, 2mm centre bore, it is carried out gap with the positioning boss 120 in the locating rod by cavity plate die cavity and matches somebody with somebody
Close, can be very good to play the positioning action of blank when being extruded.
The preparation method also includes step D：After stepb, ejected by elastic tripper and existed by vacuum suction
Disc red copper part in diel, in this manner it is achieved that automatic demoulding, reduces process time.After extruding is completed, by
It is that gap coordinates in hole and boss using positioning blank, hole is full of by blank during extruding, so the workpiece after shaping is trapped in
The die cavity (mold groove 40) of cavity plate is inner.The discharge way that the present invention takes is elastic discharging, and spring is compressed when squeezed
Elastic force is stored, spring-return generation elastic force will be trapped in recessed by unloading bolt when backhaul after the completion of extruding punch extruding
Workpiece ejection in mould.In addition, vacuum suction may be produced between workpiece and punch-pin working face when extruding punch is extruded
Attached, when extruding punch backhaul, absorption of workpieces is on extruding punch end face.Thus, equally increase an elastic discharging dress in upper mould
Put, also can good discharging when there is such case.
Further, using foregoing tools, while punching press is carried out using multiple rectangle punch-pin blades 78, and
And each rectangle punch-pin blade 78 is dismountable, i.e., using the design of separate type punch-pin cutting edge portion.In in general punching press
In the punch structure of mould, most punch-pin is all monolithic construction.But in the present invention using separate structure, tool
There is the characteristics of simple in construction, to change and be easy for installation, same can be cost-effective.
And then in punching press, or the positioning of stamping tool is using recessed in extruding when extrusion die shaping above
On mould process two holes, make have two boss on the workpiece after extrusion molding, so as to as diel punching press when workpiece determine
Position.Using this localization method, not only precision is high, and after the completion of punching press the two small boss can utilize machining excision and
The surface quality of part is not influenceed.Positioning for punch-die is positioned using guide pillar guide pin bushing in punching press.When punching press completes it
Afterwards, workpiece is adhered on punch-pin, now stores elastic force because spring is compressed in punching press, the bullet when punching press punch-pin backhaul
Spring, which is replied, produces elastic force, drives discharging version by the workpiece on punching press punch-pin to keeping off by unloading bolt, so as to realize elasticity
Discharging.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.For this
Each part of invention can be mutually combined under conditions of not conflicting, any those skilled in the art, not depart from this
Made equivalent variations and modification, all should belong to the scope of protection of the invention on the premise of the design of invention and principle.
Claims (10)
- A kind of 1. tools with rectangle hypotenuse groove and the disc red copper part through groove, it is characterised in that the disk Shape red copper part is oblique including a rectangle with more than three groups of rectangle hypotenuse groove and through groove, every group of rectangle hypotenuse groove and through groove Side groove and a rectangle run through groove, and one rectangle hypotenuse groove is adjacent through groove with one rectangle and sets side by side Put, one rectangle hypotenuse groove and one rectangle through groove length direction for the tangential of the disc red copper part or Radially, and one rectangle hypotenuse groove is respectively less than the disc red copper part with length of one rectangle through groove Radius；The tools with rectangle hypotenuse groove and the disc red copper part through groove include：Make the extrusion die of hypotenuse groove and rectangle straight trough and the rectangle straight trough is fabricated to the diel through groove；The extrusion die includes：The upper extrusion die and lower extrusion die to cooperate；The upper extrusion die includes：Extruding punch with extruding boss；The extruding boss has and the rectangle hypotenuse The hypotenuse of groove same shape；Extruding boss includes：Adjacent the first extruding boss and the second extruding boss, the first extruding boss Matched with the shape or structure of rectangle hypotenuse groove, for directly extruding rectangle hypotenuse groove, the second extruding boss and rectangle straight trough Shape or structure match, for squeezing out rectangle straight trough in advance；The lower extrusion die includes：Disc and the Extruding die with rectangular boss；Cooperated between the extruding punch and Extruding die and form squeezing with rectangle hypotenuse groove and rectangle straight trough after extruding Indent；The diel includes：The upper diel and lower diel to cooperate；The upper diel includes：Punching press punch-pin with rectangle punch-pin blade；The cross section shape of the rectangle punch-pin blade Shape matches with the shape of rectangle straight trough；The lower diel includes：Accommodate the stamping cavity die of the rectangle punch-pin blade.
- 2. the tools with rectangle hypotenuse groove and the disc red copper part through groove as claimed in claim 1, its feature It is, the extrusion die also includes：It is arranged on the positioning in the lower extrusion die, being positioned to the disc red copper part Bar, the locating rod are directed at the center of circle of the disc red copper part and run through the Extruding die.
- 3. the tools with rectangle hypotenuse groove and the disc red copper part through groove as claimed in claim 1, its feature It is, the extrusion die also includes：It is arranged on the pilot pin in the lower extrusion die to the upper extrusion die positioning, sets The first unloading bolt of the Extruding die is pushed against in the lower extrusion die and is set on first unloading bolt First mould unloading spring.
- 4. the tools with rectangle hypotenuse groove and the disc red copper part through groove as claimed in claim 1, its feature It is, the extrusion die also includes：It is arranged on the second discharging being pushed against in the upper extrusion die on the extruding boss Screw and the second mould unloading spring being set on second unloading bolt.
- 5. the tools with rectangle hypotenuse groove and the disc red copper part through groove as claimed in claim 1, its feature It is, the number of the rectangle punch-pin blade is multiple, and it is convex that what each rectangle punch-pin blade can be dismantled is arranged on the punching press On mould.
- 6. the tools with rectangle hypotenuse groove and the disc red copper part through groove as claimed in claim 5, its feature It is, the punching press punch-pin includes：Punch retainer；The bottom surface of the punch retainer is provided with multiple slots, and each slot accommodates a rectangle punch-pin blade, described The pressing direction of rectangle punch-pin blade described in the plane perpendicular of punch retainer；The side of the punch retainer is provided with side board, and the punching press punch-pin also includes：From the side board to described The blade trip bolt that the side surface direction of punch retainer is worn, the blade trip bolt fasten the rectangle punch-pin blade Between the side board and the slot.
- 7. the tools with rectangle hypotenuse groove and the disc red copper part through groove as claimed in claim 6, its feature It is, the rectangle punch-pin blade includes：The fixed part at the top being sequentially connected from top to bottom, middle socket, bottom Pressing part；The lateral cross of the rectangle punch-pin blade is T-shaped, and the shape of cross section of the pressing part of the bottom is rectangle, institute The socket for stating centre is contained in the slot, and the slot is open slot, and one end of the fixed part at the top is pushed against The inner side blind end of the slot, the other end of the fixed part at the top is positioned at the opening in the slot and by the side Face baffle plate pushes against, and the thickness of the fixed part at the top is more than the thickness of the socket of the centre, the fixed part at the top Length be more than the centre socket length, the thickness of the socket of the centre is more than the pressing part of the bottom It is chamfered transition or round-corner transition between the pressing part of thickness, the socket of the centre and the bottom.
- It is 8. a kind of using the tools with rectangle hypotenuse groove and the disc red copper part through groove as claimed in claim 2 Make the method with rectangle hypotenuse groove and the disc red copper part through groove, it is characterised in that described make has rectangle oblique The method of side groove and disc red copper part through groove includes：Step A：Blank is squeezed out into hypotenuse groove and rectangle straight trough simultaneously using extrusion die；Hypotenuse groove and rectangle the straight trough phase Abut and be arranged side by side；The number of the hypotenuse groove and rectangle straight trough is more than at least three；Step B：Using diel, by multiple rectangle straight troughs, striking out multiple rectangles runs through groove simultaneously.
- 9. the method as claimed in claim 8 made with rectangle hypotenuse groove and the disc red copper part through groove, its feature It is, the method with rectangle hypotenuse groove and the disc red copper part through groove that makes also includes step C：In the blank Center process centre bore, the step C occurs before the step A, and the preparation method also includes：In step, It is inserted into locating rod in the centre bore, the blank is positioned；The preparation method also includes step D：In step B Afterwards, the disc red copper part by vacuum suction in diel is ejected by elastic tripper.
- 10. the method as claimed in claim 8 made with rectangle hypotenuse groove and the disc red copper part through groove, its feature It is, punching press is carried out using the tools any one of claim 5 to 7, while using multiple rectangle punch-pin blades, And each rectangle punch-pin blade is the setting that can be dismantled.
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| CN201610556042.2A CN106180240B (en) | 2016-07-15 | 2016-07-15 | The tools and method of disc red copper part with rectangle hypotenuse groove and through groove |
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| CN106180240B true CN106180240B (en) | 2018-03-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408486A (en) * | 2001-09-21 | 2003-04-09 | 长春汽车材料研究所 | Integral extrusion processing method for automobile axle housing |
| CN1410309A (en) * | 2001-09-29 | 2003-04-16 | 马福生 | Once cold extrusion shaping method of automobile power steering gear jacketed screw and its multiple key and oil distributing groove |
| CN102527758A (en) * | 2012-01-20 | 2012-07-04 | 东莞汉旭五金塑胶科技有限公司 | Extrusion moulding die for aluminum base of radiator and manufacture method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101310347B1 (en) * | 2011-04-06 | 2013-09-23 | 선문정밀주식회사 | Manufacturing method of die plate having reinforcing board for extruding machine |
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- 2016-07-15 CN CN201610556042.2A patent/CN106180240B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408486A (en) * | 2001-09-21 | 2003-04-09 | 长春汽车材料研究所 | Integral extrusion processing method for automobile axle housing |
| CN1410309A (en) * | 2001-09-29 | 2003-04-16 | 马福生 | Once cold extrusion shaping method of automobile power steering gear jacketed screw and its multiple key and oil distributing groove |
| CN102527758A (en) * | 2012-01-20 | 2012-07-04 | 东莞汉旭五金塑胶科技有限公司 | Extrusion moulding die for aluminum base of radiator and manufacture method thereof |
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