CN203649265U - Large combination type double-ejection mould structure - Google Patents
Large combination type double-ejection mould structure Download PDFInfo
- Publication number
- CN203649265U CN203649265U CN201320813830.7U CN201320813830U CN203649265U CN 203649265 U CN203649265 U CN 203649265U CN 201320813830 U CN201320813830 U CN 201320813830U CN 203649265 U CN203649265 U CN 203649265U
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- Prior art keywords
- mould
- counterdie
- die
- ejector pin
- core rod
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- 239000000463 material Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 3
- 238000007906 compression Methods 0.000 abstract 3
- 238000000465 moulding Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a large combination type double-ejection mould structure which can solve the problem that when an existing single lower ejection mould is used for forging a large deep-cavity thin-wall forge piece, an upper mould can not be demoulded. The large combination type double-ejection mould structure is simple in structure and convenient to process and assemble, and an upper mould and a lower mould can eject a forge piece out for demoulding. The large combination type double-ejection mould structure comprises an upper mould structure and a lower mould structure, the upper mould structure comprises an upper mould seat and an upper mould, the upper mould is mounted under the upper mould seat, and a lower mould ejection mechanism is mounted in the lower mould structure. The large combination type double-ejection mould structure is characterized in that an upper mould ejection mechanism is mounted in the upper mould structure and comprises an upper ejection rod and a compression spring, the upper ejection rod sequentially penetrates through an upper ejection rod mounting hole in the upper mould and an upper ejection rod mounting hole in the upper mould seat from bottom to top, a bottom flanging of the upper ejection rod is in clearance fit with a groove in the upper mould, the diameter of the upper ejection rod mounting hole of the upper mould seat is larger than that of the upper ejection rod mounting hole in the upper mould, the part, located in the upper mould seat mounting hole, of the upper ejection rod is sleeved with the compression spring, and the compression spring is locked on the top face of the upper mould through a fastening nut and a flat washer.
Description
Technical field
The utility model relates to moulding forging mold structure field, is specially a kind of large-scale combined Double Tops and goes out mould structure.
Background technology
Its mould of the forging of general depanning difficulty is adopted to single lower ejection die mostly, be in mould, to be only provided with a lower ejecting mechanism, thereby forging can only upwards be ejected and be made forging demoulding by this lower ejecting mechanism, but to some special forging as large-scale deep-cavity thin-wall forging, forging both can cannot go out because die cavity is high counterdie, can easily embrace on drift and cannot go out patrix because of cooling contraction again.Therefore, if only adopt lower ejection die for this forging, forging very easily occurs embracing mould and causes producing interruption or forging and mould and scrap, and if adopt strengthen the method for designing of draft angle often can be too high due to forging height, produce serious waste of material, stock utilization is low; In addition, general moulding forging mold is because its upper die and lower die are monolithic construction, and therefore mold monomers pts wt is heavy, size is large, is unfavorable for rotation and the assembling of mould, and Mould Machining cost is high; And, traditional moulding forging mold, mostly its patrix and counterdie are to be directly installed on die holder, and in die forging process, upper die and lower die are stressed is prone to horizontal or longitudinal dislocation, thereby has affected forging precision.
Summary of the invention
For the problems referred to above, the utility model provides a kind of large-scale combined Double Tops to go out mould structure, the problem that when it can solve large-scale deep-cavity thin-wall forging and adopts ejection die under existing list to forge, patrix cannot the demoulding, it is simple in structure, it is easy to assembly to process, upper and lower mould all can be realized the ejection device to forging.
Its technical scheme is such, it comprises upper die structure and lower die structure, described upper die structure comprises upper bolster and patrix, described patrix is installed under described upper bolster, counterdie ejecting mechanism is installed in described lower die structure, it is characterized in that: knocking from up die mechanism is installed in described upper die structure, described knocking from up die mechanism comprises upper ejector pin, Compress Spring, described upper ejector pin is from bottom to top successively through described patrix, the upper ejector pin installing hole of upper bolster, the groove matched in clearance of the base flange of described upper ejector pin and described patrix, the aperture of the upper ejector pin installing hole of described upper bolster is greater than the aperture of the upper ejector pin installing hole of described patrix, the part periphery that described upper ejector pin is positioned at described upper bolster installing hole is set with described Compress Spring, described Compress Spring by clamp nut peace washer locking in described patrix end face.
It is further characterized in that:
Described patrix is positioned under described upper bolster by round pin, and between described patrix and upper bolster by T-shaped for groove bolt, packing ring and nut be connected and fixed;
Described lower die structure comprises die shoe and counterdie core rod, and described counterdie core rod is installed on lower baffle plate, and described lower baffle plate passes through square cotter location and installation on described die shoe;
Described counterdie ejecting mechanism comprises counterdie jacking block, lower push rod, described counterdie jacking block is installed in the end face groove of described counterdie core rod, and described lower push rod passes successively described die shoe, lower baffle plate from bottom to top and is connected with the bottom surface of described counterdie jacking block after counterdie core rod;
Described upper ejector pin, counterdie jacking block, lower push rod arrange with one heart;
On described lower baffle plate, have core rod locating slot, described counterdie core rod is installed in described core rod locating slot, between described counterdie core rod and described lower baffle plate, is fastenedly connected by soket head cap screw;
Described upper die and lower die base plate, counterdie core rod, counterdie jacking block are made by any in 5CrNiMo or 5CrNiMoV material;
Described upper ejector pin, lower push rod are made up of H13 material.
The beneficial effects of the utility model are:
(1) in its upper die structure, knocking from up die mechanism is installed, after die forging completes, counterdie ejecting mechanism moves upward, knocking from up die mechanism moves downward, by forging ejection device, thereby can effectively avoid the single lower ejector mechanism die forging in the time of the demoulding of tradition to embrace the generation of the phenomenon of mould, thereby guarantee the continuity of producing and reduce mould and damage, reducing the processing rehabilitation cost of mould;
(2) its lower die structure is installed and is formed by lower baffle plate, the combination of counterdie core rod of correspondence respectively, thereby has greatly reduced weight and the size of single mould parts, has reduced Mould Machining cost, and is convenient to transhipment and the combination installation of mould parts;
(3) its upper die structure, lower die structure pass through respectively round pin, square cotter location and installation in upper bolster, die shoe, and it can effectively play the mismatch that prevents all directions, can guarantee that the quick location assembling of mould can guarantee again the precision of die forging simultaneously;
(4) its upper die and lower die base plate, counterdie core rod, counterdie jacking block are made by any in 5CrNiMo or 5CrNiMoV material, and upper ejector pin, lower push rod are all made up than 5CrNiMo or the high H13 material of 5CrNiMoV material of hardness, intensity, thereby can be more effectively guaranteed the reliable demoulding of forging.
Accompanying drawing explanation
Fig. 1 is that the large-scale combined Double Tops of the utility model go out mould structure schematic diagram.
The specific embodiment
See Fig. 1, the utility model mould comprises upper die structure and lower die structure, upper die structure comprises upper bolster 1 and patrix 5, patrix 5 is installed on upper bolster 1 time, counterdie ejecting mechanism is installed in lower die structure, knocking from up die mechanism is installed in upper die structure, knocking from up die mechanism comprises upper ejector pin 14, Compress Spring 12, upper ejector pin 14 is from bottom to top successively through patrix 5, the upper ejector pin installing hole 18 of upper bolster 1, 19, the base flange 20 of upper ejector pin 14 and groove 21 matched in clearance of patrix 5, the aperture of the upper ejector pin installing hole 19 of upper bolster 1 is greater than the aperture of the upper ejector pin installing hole 18 of patrix 5, the part periphery that upper ejector pin 14 is positioned at upper bolster 1 installing hole 19 is set with Compress Spring 12, Compress Spring 12 lock onto patrix 5 end faces by clamp nut 10 and plain washer 11.Patrix 5 is positioned upper bolster 1 time by round pin 13, and is connected and fixed by bolt 2, packing ring 3 and nut 3 for T-shaped groove between patrix 5 and upper bolster 1; Lower die structure comprises die shoe 8 and counterdie core rod 6, and counterdie core rod 6 is installed on lower baffle plate 7, and lower baffle plate 7 passes through square cotter 9 location and installation on die shoe 8; Counterdie ejecting mechanism comprises counterdie jacking block 15, lower push rod 16, and counterdie jacking block 15 is installed in the end face groove 22 of counterdie core rod 6, and lower push rod 16 is from bottom to top successively through being connected with the bottom surface of counterdie jacking block 15 after die shoe 8, lower baffle plate 7 and counterdie core rod 6; Upper ejector pin 14, counterdie jacking block 15, lower push rod 16 arrange with one heart; On lower baffle plate 7, have core rod locating slot 23, counterdie core rod 6 is installed in core rod locating slot 23, between counterdie core rod 6 and lower baffle plate 7, is fastenedly connected by soket head cap screw 17; Patrix 5, lower baffle plate 7, counterdie core rod 6, counterdie jacking block 15 are made by any in 5CrNiMo or 5CrNiMoV material; Upper ejector pin 14, lower push rod 16 are made up of H13 material.
After die forging completes, counterdie ejecting mechanism moves upward, knocking from up die mechanism moves downward and compress Compress Spring 12, and by forging ejection device, after forging ejects, lower push rod relies on Action of Gravity Field to reset, and upper ejector pin relies on the elastic reset of Compress Spring 12.
Claims (8)
1. large-scale combined Double Tops go out mould structure, it comprises upper die structure and lower die structure, described upper die structure comprises upper bolster and patrix, described patrix is installed under described upper bolster, counterdie ejecting mechanism is installed in described lower die structure, it is characterized in that: knocking from up die mechanism is installed in described upper die structure, described knocking from up die mechanism comprises upper ejector pin, Compress Spring, described upper ejector pin is from bottom to top successively through described patrix, the upper ejector pin installing hole of upper bolster, the groove matched in clearance of the base flange of described upper ejector pin and described patrix, the aperture of the upper ejector pin installing hole of described upper bolster is greater than the aperture of the upper ejector pin installing hole of described patrix, the part periphery that described upper ejector pin is positioned at described upper bolster installing hole is set with described Compress Spring, described Compress Spring by clamp nut peace washer locking in described patrix end face.
2. the large-scale combined Double Tops of one according to claim 1 go out mould structure, it is characterized in that: described patrix is positioned under described upper bolster by round pin, and between described patrix and upper bolster by T-shaped for groove bolt, packing ring and nut be connected and fixed.
3. the large-scale combined Double Tops of one according to claim 2 go out mould structure, it is characterized in that: described lower die structure comprises die shoe and counterdie core rod, described counterdie core rod is installed on lower baffle plate, and described lower baffle plate passes through square cotter location and installation on described die shoe.
4. the large-scale combined Double Tops of one according to claim 3 go out mould structure, it is characterized in that: described counterdie ejecting mechanism comprises counterdie jacking block, lower push rod, described counterdie jacking block is installed in the end face groove of described counterdie core rod, and described lower push rod passes successively described die shoe, lower baffle plate from bottom to top and is connected with the bottom surface of described counterdie jacking block after counterdie core rod.
5. the large-scale combined Double Tops of one according to claim 4 go out mould structure, it is characterized in that: described upper ejector pin, counterdie jacking block, lower push rod arrange with one heart.
6. the large-scale combined Double Tops of one according to claim 5 go out mould structure, it is characterized in that: on described lower baffle plate, have core rod locating slot, described counterdie core rod is installed in described core rod locating slot, between described counterdie core rod and described lower baffle plate, is fastenedly connected by soket head cap screw.
7. the large-scale combined Double Tops of one according to claim 5 go out mould structure, it is characterized in that: described upper die and lower die base plate, counterdie core rod, counterdie jacking block are made by any in 5CrNiMo or 5CrNiMoV material.
8. the large-scale combined Double Tops of one according to claim 6 go out mould structure, it is characterized in that: described upper ejector pin, lower push rod are made up of H13 material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813830.7U CN203649265U (en) | 2013-12-12 | 2013-12-12 | Large combination type double-ejection mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813830.7U CN203649265U (en) | 2013-12-12 | 2013-12-12 | Large combination type double-ejection mould structure |
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| Publication Number | Publication Date |
|---|---|
| CN203649265U true CN203649265U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320813830.7U Expired - Lifetime CN203649265U (en) | 2013-12-12 | 2013-12-12 | Large combination type double-ejection mould structure |
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| CN (1) | CN203649265U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658491A (en) * | 2013-12-12 | 2014-03-26 | 无锡透平叶片有限公司 | Large combined dual-jacking mould structure |
| CN107303589A (en) * | 2016-04-18 | 2017-10-31 | 河北工业大学 | A kind of method and mould for producing lead joint terminal |
| CN109177298A (en) * | 2018-09-30 | 2019-01-11 | 宁波乌中材料科学研究中心有限公司 | The demoulding mechanism of powder pressing machine |
| CN111036839A (en) * | 2019-12-31 | 2020-04-21 | 无锡市铭腾模具科技有限公司 | Sand core forming die convenient for demoulding |
| IT201900007443A1 (en) * | 2019-05-28 | 2020-11-28 | G E M A C S R L | EXTRACTOR FOR UPPER MOLDS, ESPECIALLY FOR FLUID DYNAMIC PRESSES |
-
2013
- 2013-12-12 CN CN201320813830.7U patent/CN203649265U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658491A (en) * | 2013-12-12 | 2014-03-26 | 无锡透平叶片有限公司 | Large combined dual-jacking mould structure |
| CN107303589A (en) * | 2016-04-18 | 2017-10-31 | 河北工业大学 | A kind of method and mould for producing lead joint terminal |
| CN109177298A (en) * | 2018-09-30 | 2019-01-11 | 宁波乌中材料科学研究中心有限公司 | The demoulding mechanism of powder pressing machine |
| CN109177298B (en) * | 2018-09-30 | 2023-09-05 | 宁波乌中材料科学研究中心有限公司 | Demoulding mechanism of powder press forming machine |
| IT201900007443A1 (en) * | 2019-05-28 | 2020-11-28 | G E M A C S R L | EXTRACTOR FOR UPPER MOLDS, ESPECIALLY FOR FLUID DYNAMIC PRESSES |
| CN111036839A (en) * | 2019-12-31 | 2020-04-21 | 无锡市铭腾模具科技有限公司 | Sand core forming die convenient for demoulding |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
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| CX01 | Expiry of patent term |