CN204523813U - The cold extrusion device that a kind of solid bar is extruded - Google Patents
The cold extrusion device that a kind of solid bar is extruded Download PDFInfo
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- CN204523813U CN204523813U CN201420746292.9U CN201420746292U CN204523813U CN 204523813 U CN204523813 U CN 204523813U CN 201420746292 U CN201420746292 U CN 201420746292U CN 204523813 U CN204523813 U CN 204523813U
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- inner core
- counterdie
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- push rod
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Abstract
The utility model provides the extruded cold extrusion device of a kind of solid bar, the hydraulic press of upper cylinder, the hydraulic press of lower oil cylinder, mould, described mould comprises upper mould fixed plate, core inside and outside patrix, middle mould inner core, counterdie inner core, eject push rod, the beneficial effects of the utility model are: (1) red copper bar is generally formed by stretching, the processing performance that the compactness of its metal is not shaping through extruding with the while of stretching is high, with the red copper terminal component electric conductivity of its processing with not through red copper terminal component superior performance that extrusion stretching is shaping, novel in structural design, low cost and the economize energy effectively reducing product of cost, really reach environmental protection and energy saving effective, (2) design sandwich construction and be convenient to Mould Machining and installing and using, make that the processing cost of mould reduces, die change, maintenance more convenient and quicker, convex, recessed being connected firmly does not produce dislocation and eccentric simultaneously, improves service life, changes conveniently.
Description
Technical field
The utility model relates to a kind of cold extrusion device, particularly relates to the extruded cold extrusion device of one solid bar.
Background technology
In current processing cable terminal metal parts, general is all adopt the long metal bar of red copper to be first sawn into required length, then carry out car, milling and other forge processing, the price comparison of metal bar (red copper) material is high, waste large complex process when blanking and common processing methods, processing cost is improved.
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utility model content]
The purpose of this utility model is to solve in current processing cable terminal metal parts, general is all adopt the long metal bar of red copper to be first sawn into required length, then carry out car, milling and other forge processing, the price comparison of metal bar (red copper) material is high, large complex process is wasted, the deficiency that processing cost is improved and a kind of novel solid bar provided extruded its cold extrusion device when blanking and common processing methods.
The utility model is achieved through the following technical solutions: the cold extrusion device that a kind of solid bar is extruded, comprise the hydraulic press of upper cylinder, the hydraulic press of lower oil cylinder, mould, described mould comprises upper mould fixed plate, core inside and outside patrix, middle mould inner core, counterdie inner core, eject push rod, inside and outside described patrix, core is provided with threaded flanged cap, described upper mould fixed plate is connected with the holddown groove of machine bench on the hydraulic press of described upper cylinder, described middle mould inner core is put into fixed sleeves by taper sheath and is combined in counterdie inner core, counterdie inner core is fixed in the counterdie gripper shoe of lower machine table top board slot by adpting flange and screw rod, described middle mould inner core and the common taper sheath interference fit of described counterdie inner core compress, contact the class fit of registration interface designs fully-flattened up and down, described middle mould inner core and described counterdie inner core by counterdie cushion block both ends of the surface support prevent from core rod from moving down fluffing dynamic, adpting flange on the round boss of upper end is fixed in counterdie gripper shoe by screw rod, the center of described counterdie inner core is provided with flat position an actor's rendering of an operatic tune, what described counterdie flat position an actor's rendering of an operatic tune and core rod needed to be inserted in counterdie ejects in push rod, the described piston centre ejecting push rod and oil cylinder under hydraulic press is to being fixedly connected with well, fixed head is provided with 6-8 root thread, push rod also fixes lower bolster through counterdie fixed head to good center, the described diameter ejecting push rod and mould is greater than 0.1mm, described push rod is freely up and down movable in described counterdie inner core, and the distance of upper and lower stroke has the travel switch of cylinder putter location to determine on accurate position.
Further, described counterdie core arrangement is 2 layers, by the circular tongue and groove of upper and lower end between 2 layers of core rod, be connected, described lower mold core is provided with angle, the guiding of major product process and shape effect, the upper end of described counterdie inner core is provided with the tube reducing band of the extruding that stretches, the hypomere of described tube reducing band is the diameter dimension being greater than tube reducing band upper end, design sandwich construction is convenient to Mould Machining and installs and uses, make that the processing cost of mould reduces, die change, maintenance more convenient and quicker, convex, recessed being connected firmly does not produce dislocation and eccentric simultaneously.
Further, the length of described tube reducing band is 2 ~ 4mm, and the diameter dimension of tube reducing band is the standard size of shaping rear product, and because tube reducing strip length is shorter, size when can limit extruded, can decrease again the resistance of extruding.
Further, described middle mould inner core is nested in lower die-sleeve by up-small and down-big conical taper, described lower die-sleeve adopts nesting type structure, described middle mould inner core diameter is greater than the diameter 0.2 ~ 0.4mm of red copper bar section bar, nested requirement is through the metal material processing of the high strength of specially treated, improve service life, change conveniently, reduce manufacturing cost simultaneously.
Further, fixed flange and high strength equally distributed thread 6-8 root on described lower die-sleeve.
During use, first, weight is close with the weight of the shaping bar of needs, by the diameter needed for counting yield specification, the red copper bar of height or weight is coated Uniform Tension oil and is placed in the middle die cavity of extrusion die, hydraulic piston on primer fluid press, make in the patrix of mould, outer core is descending, red copper bar can in upper mould, in the descending process of outer core, two core rods are pressed in red copper bar center simultaneously, the special-shaped product part (cable crimp type terminal) of flat side is squeezed under making red copper bar form band blind hole, until stop motion on press extrusion stretching to the position of specifying,
the second, the up active button of hydraulic press is pressed, make up from mould of the piston of hydraulic press, make the inside and outside core of patrix leave middle die cavity, (product through overmolding stop in mould in line chamber), until hydraulic piston stops to the position of specifying on hydraulic press
Three, press the up button of lower hydraulic press lower piston, make the push rod in mould up, eject the shaping product in middle counterdie; Until hydraulic piston is up to the position of specifying and stops under hydraulic press, push rod by eject rapid 1., 2. in successively extrusion stretching form the shaping process ejecting middle mould of bar.
The beneficial effects of the utility model are: (1) red copper bar is generally formed by stretching, the processing performance that the compactness of its metal is not shaping through extruding with the while of stretching is high, with the red copper terminal component electric conductivity of its processing with not through red copper terminal component superior performance that extrusion stretching is shaping, low cost and the economize energy effectively reducing product of novel in structural design, cost, really reaches environmental protection and energy saving effective;
(2) design sandwich construction and be convenient to Mould Machining and installing and using, make that the processing cost of mould reduces, die change, maintenance more convenient and quicker, convex, recessed being connected firmly does not produce dislocation and eccentric simultaneously, improves service life, changes conveniently.
Accompanying drawing explanation
Fig. 1 is the extruded cold extrusion device structural representation of the utility model solid bar;
Reference numeral: 1, upper mould fixed plate; 2, core inside and outside patrix; 3, middle mould inner core; 4, counterdie inner core; 41, counterdie gripper shoe; 5, push rod is ejected; 6, lower oil cylinder; 7, travel switch.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described further:
Embodiment 1:
As shown in Figure 1, the cold extrusion device that a kind of solid bar is extruded, comprise the hydraulic press of upper cylinder, the hydraulic press of lower oil cylinder, mould, described mould comprises upper mould fixed plate 1, core 2 inside and outside patrix, middle mould inner core 3, counterdie inner core 4, eject push rod 5, inside and outside described patrix, core 2 is provided with threaded flanged cap, described upper mould fixed plate 1 is connected with the holddown groove of machine bench on the hydraulic press of described upper cylinder, described middle mould inner core 3 is put into fixed sleeves by taper sheath and is combined in counterdie inner core 4, counterdie inner core 4 is fixed in the counterdie gripper shoe 41 of lower machine table top board slot by adpting flange and screw rod, described middle mould inner core 3 compresses with the common taper sheath interference fit of described counterdie inner core 4, contact the class fit of registration interface designs fully-flattened up and down, described middle mould inner core 3 and described counterdie inner core 4 by counterdie cushion block both ends of the surface support prevent from core rod from moving down fluffing dynamic, adpting flange on the round boss of upper end is fixed in counterdie gripper shoe 41 by screw rod, the center of described counterdie inner core 4 is provided with flat position an actor's rendering of an operatic tune, what described counterdie flat position an actor's rendering of an operatic tune and core rod needed to be inserted in counterdie ejects in push rod 5, the described piston centre ejecting push rod 5 and oil cylinder under hydraulic press 6 is to being fixedly connected with well, fixed head is provided with 6-8 root thread, push rod also fixes lower bolster through counterdie fixed head to good center, the described push rod 5 that ejects is greater than 0.1mm with the diameter of mould, described push rod is freely up and down movable in described counterdie inner core 4, and the distance of upper and lower stroke has the travel switch 7 of cylinder putter location to determine on accurate position.
Preferably, described counterdie inner core 4 structure is 2 layers, by the circular tongue and groove of upper and lower end between 2 layers of core rod, be connected, described counterdie inner core 4 is provided with angle, the guiding of major product process and shape effect, the upper end of described counterdie inner core 4 is provided with the tube reducing band of the extruding that stretches, the hypomere of described tube reducing band is the diameter dimension being greater than tube reducing band upper end, design sandwich construction is convenient to Mould Machining and installs and uses, make that the processing cost of mould reduces, die change, maintenance more convenient and quicker, convex, recessed being connected firmly does not produce dislocation and eccentric simultaneously.
Preferably, the length of described tube reducing band is 2mm, and the diameter dimension of tube reducing band is the standard size of shaping rear product, and because tube reducing strip length is shorter, size when can limit extruded, can decrease again the resistance of extruding.
Preferably, described middle mould inner core 3 is nested in lower die-sleeve by up-small and down-big conical taper, described lower die-sleeve adopts nesting type structure, described middle mould inner core 3 diameter is greater than the diameter 0.2mm of red copper bar section bar, nested requirement is through the metal material processing of the high strength of specially treated, improve service life, change conveniently, reduce manufacturing cost simultaneously.
Preferably, fixed flange and the equally distributed thread of high strength 6 on described lower die-sleeve.
Embodiment 2
Preferably, the length of described tube reducing band is 3mm, and the diameter dimension of tube reducing band is the standard size of shaping rear product, and because tube reducing strip length is shorter, size when can limit extruded, can decrease again the resistance of extruding.
Preferably, described middle mould inner core 3 is nested in lower die-sleeve by up-small and down-big conical taper, described lower die-sleeve adopts nesting type structure, described middle mould inner core 3 diameter is greater than the diameter 0.3mm of red copper bar section bar, nested requirement is through the metal material processing of the high strength of specially treated, improve service life, change conveniently, reduce manufacturing cost simultaneously.
Preferably, fixed flange and the equally distributed thread of high strength 7 on described lower die-sleeve.
Embodiment 3
Preferably, the length of described tube reducing band is 4mm, and the diameter dimension of tube reducing band is the standard size of shaping rear product, and because tube reducing strip length is shorter, size when can limit extruded, can decrease again the resistance of extruding.
Preferably, described middle mould inner core 3 is nested in lower die-sleeve by up-small and down-big conical taper, described lower die-sleeve adopts nesting type structure, described middle mould inner core 3 diameter is greater than the diameter 0.4mm of red copper bar section bar, nested requirement is through the metal material processing of the high strength of specially treated, improve service life, change conveniently, reduce manufacturing cost simultaneously.
Preferably, fixed flange and the equally distributed thread of high strength 8 on described lower die-sleeve.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (5)
1. one kind with the extruded cold extrusion device of solid bar, it is characterized in that: the hydraulic press comprising upper cylinder, the hydraulic press of lower oil cylinder, mould, described mould comprises upper mould fixed plate, core inside and outside patrix, middle mould inner core, counterdie inner core, eject push rod, inside and outside described patrix, core is provided with threaded flanged cap, described upper mould fixed plate is connected with the holddown groove of machine bench on the hydraulic press of described upper cylinder, described middle mould inner core is put into fixed sleeves by taper sheath and is combined in counterdie inner core, counterdie inner core is fixed in the counterdie gripper shoe of lower machine table top board slot by adpting flange and screw rod, described middle mould inner core and the common taper sheath interference fit of described counterdie inner core compress, contact the class fit of registration interface designs fully-flattened up and down, described middle mould inner core and described counterdie inner core by counterdie cushion block both ends of the surface support prevent from core rod from moving down fluffing dynamic, adpting flange on the round boss of upper end is fixed in counterdie gripper shoe by screw rod, the center of described counterdie inner core is provided with flat position an actor's rendering of an operatic tune, what described counterdie flat position an actor's rendering of an operatic tune and core rod needed to be inserted in counterdie ejects in push rod, the described piston centre ejecting push rod and oil cylinder under hydraulic press is to being fixedly connected with well, fixed head is provided with 6-8 root thread, push rod also fixes lower bolster through counterdie fixed head to good center, the described diameter ejecting push rod and mould is greater than 0.1mm, described push rod is freely up and down movable in described counterdie inner core, and the distance of upper and lower stroke has the travel switch of cylinder putter location to determine on accurate position.
2. the cold extrusion device that solid bar according to claim 1 is extruded, it is characterized in that: described counterdie core arrangement is 2 layers, by the circular tongue and groove of upper and lower end between 2 layers of core rod, be connected, described lower mold core is provided with angle, the upper end of described counterdie inner core is provided with the tube reducing band of the extruding that stretches, and the hypomere of described tube reducing band is the diameter dimension being greater than tube reducing band upper end.
3. the cold extrusion device that solid bar according to claim 2 is extruded, is characterized in that: the length of described tube reducing band is 2 ~ 4mm.
4. the cold extrusion device that solid bar according to claim 1 is extruded, it is characterized in that: described middle mould inner core is nested in lower die-sleeve by up-small and down-big conical taper, described lower die-sleeve adopts nesting type structure, and described middle mould inner core diameter is greater than the diameter 0.2 ~ 0.4mm of red copper bar section bar.
5. the cold extrusion device that solid bar according to claim 4 is extruded, is characterized in that: fixed flange and high strength equally distributed thread 6-8 root on described lower die-sleeve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420746292.9U CN204523813U (en) | 2014-12-03 | 2014-12-03 | The cold extrusion device that a kind of solid bar is extruded |
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| CN201420746292.9U CN204523813U (en) | 2014-12-03 | 2014-12-03 | The cold extrusion device that a kind of solid bar is extruded |
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| CN204523813U true CN204523813U (en) | 2015-08-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741403A (en) * | 2015-03-20 | 2015-07-01 | 毛水忠 | Extrusion forming method by use of solid bar and cold extruding device |
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- 2014-12-03 CN CN201420746292.9U patent/CN204523813U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741403A (en) * | 2015-03-20 | 2015-07-01 | 毛水忠 | Extrusion forming method by use of solid bar and cold extruding device |
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