CN2882846Y - Mould changing gear of combined mould - Google Patents
Mould changing gear of combined mould Download PDFInfo
- Publication number
- CN2882846Y CN2882846Y CN 200620001574 CN200620001574U CN2882846Y CN 2882846 Y CN2882846 Y CN 2882846Y CN 200620001574 CN200620001574 CN 200620001574 CN 200620001574 U CN200620001574 U CN 200620001574U CN 2882846 Y CN2882846 Y CN 2882846Y
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- mould
- prestressing force
- changing device
- force cover
- mold
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Abstract
The utility model discloses a mould change device for combined mould, which comprises a upper mould assembly, a lower mould assembly, a guide column and a guide sleeve. The upper mould assembly is connected to a slide block of a hydraulic machine and can move upwards and downwards along a guide column and a guide sleeve; the lower mould assembly is composed of a upper mould core, a prestressed sleeve and a lower mould plate; the lower mould core is fixed on a lower mould plate via the prestress sleeve; the lower mould assembly also comprises a mould change device; the mould change device is composed of a connecting device and a supporting device; the connecting device is connected in between the upper mould assembly and the prestress sleeve; the supporting device is connected to the lower mould core and the prestress sleeve. The utility model, with the combination of the mould change device and the production mould in the production line, effectively simplifies the production procedure and lowers the production cost. Besides, because the existing equipments in the production procedure can be adopted to change the mould of the combined mould without moving the combined mould, the utility model is able to lower down the labor intensity for mould change, reduce the duration for mould change, especially for large combined moulds, thus effectively improving the production efficiency.
Description
Technical field
The utility model relates to a kind of mould that uses, particularly a kind of mould changing device of sectional die in forging equipment.
Background technology
In forging industry, mostly the manufacturing process of net-size forging is to process by the method for extrusion molding.And adding man-hour, extrusion molding can reach 1400~2500Mpa to the extrusion pressure of stock, for improving die life, die forms crackle when preventing that stock is processed into, generally adopt prestressing combination die structure in the production technology, die is applied a stress in advance, that inwardly shrink, with reduce stock in the forging and pressing process to the wearing and tearing of mould, reduce the longitudinal crack that in workpiece, forms in the stock forming process simultaneously.Using maximum a kind of prestressing combination die forms in the current production is the mating surface that the contact-making surface of die and prestressing force cover is designed to have certain taper, at room temperature adopt special hydraulic press to carry out pressing in the anabolic process, because the die life-span is generally about several thousand, can only satisfy the needs of several classes of products, therefore generally all is furnished with the special-purpose press that the dismounting that is used for combined die and new die are changed at extrusion line, to satisfy in the production process to the frequent needs of changing of mould.And for the manually replacing of transportable small-sized assembling die, above-mentioned special-purpose press is also comparatively convenient, just improved production cost of products, to not bigger influence of production efficiency, but for the dismounting of more high-prestressed assembling die, because big, the mobile inconvenience of the weight of mould own makes mould change and reinstall a large amount of time and efforts of waste in the process, whole replacing time even surpass more than 2 hours, had a strong impact on production efficiency of products.How reducing labour intensity, enhance productivity, is the problem that the utility model need solve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the utility model aims to provide a kind of simple and direct, convenient for the sectional die replacing; Operation is quick, the labour-saving mould changing device.
A kind of mould changing device of sectional die, comprise mold assembly, bed die assembly and guide pillar guide sleeve device, the mold assembly is connected with the slide block of hydraulic press, and can do along the guide pillar guide sleeve device and move up and down, the bed die assembly comprises lower mold core, prestressing force cover and lower bolster, lower mold core is fixed on the lower bolster by the prestressing force cover, also comprise mould changing device, mould changing device comprises jockey and bracing or strutting arrangement, jockey is connected between mold assembly and the prestressing force cover, and bracing or strutting arrangement is connected with the prestressing force cover with lower mold core.
Jockey comprises at least two group suspension hook and steel wires, in every group of suspension hook and the steel wire suspension hook be connected on the mold assembly and prestressing combination formula mould in the upper surface of prestressing force cover, steel wire is connected between the upper and lower suspension hook.
Jockey also can directly be connected between the slide block and prestressing force cover of hydraulic press, the upper surface that the suspension hook in the jockey is connected on the slider of hydraulic press and prestressing force overlaps.
Bracing or strutting arrangement is divided into demoulding supporter and pressing mold supporter, wherein demoulding supporter comprises lower support and upper support body, lower support is arranged between the prestressing force cover and lower bolster after the mold assembly lifts prestressing force cover and lower mold core by jockey, the upper support body is located at the lower mold core top, and the pressing mold supporter is arranged at prestressing force cover top.
Upper support body and pressing mold supporter also can be structure as a whole.
The upper support body is upper support piece or upper support ring, upper support piece or upper support are located on the top of lower mold core, lower support is lower support piece or lower support ring, and lower support piece or lower support ring are placed between the prestressing force cover and lower bolster after the mold assembly lifts prestressing force cover and lower mold core by jockey.
The quantity of upper support piece and lower support piece is respectively two at least.
The pressing mold supporter also can be pressing mold back-up block or pressing mold support ring, and pressing mold back-up block or pressing mold support ring are positioned over the top of prestressing force cover.
The quantity of pressing mold back-up block is at least two.
The mould changing device of sectional die described in the utility model, by mould changing device is combined with sectional die in the production line, effectively simplify production process, improved production environment, reduced production cost, mould changing device utilizes the hydraulic test in the production process directly assembling die to be carried out the die change operation simultaneously, do not need sectional die is moved, reduced the labour intensity of die change process, simplified the process of mould die change and installation, significantly reduced mould replacing time, particularly, have more the advantage of obviously enhancing productivity to the large-scale combined mould.
Description of drawings
Fig. 1 is the mould changing device user mode schematic diagram one of sectional die described in the utility model;
Fig. 2 is the mould changing device user mode schematic diagram two of sectional die described in the utility model;
Fig. 3 is the mould changing device user mode schematic diagram three of sectional die described in the utility model;
Fig. 4 is the mould changing device user mode schematic diagram four of sectional die described in the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
The mould changing device of sectional die described in the utility model, comprise the mold assembly, the bed die assembly, guide pillar guide sleeve device and mould changing device, wherein the mold assembly is connected with the slide block of hydraulic press, and rely on the guide pillar guide sleeve device to do to move up and down, the bed die assembly comprises lower mold core, prestressing force cover and lower bolster, lower mold core is fixed on the lower bolster by the prestressing force cover, mould changing device comprises two groups of jockeys, two pressing mold back-up blocks, two upper support pieces and two lower support pieces, every group of jockey comprises two suspension hooks and a steel wire, and two upper support pieces and two pressing mold back-up blocks are respectively integrative-structure.Being provided with the sectional die center line at the upper surface of prestressing force cover is two screwed holes that the center is symmetrically distributed, and puts at the lower surface of mold assembly and prestressing force and also is provided with two screwed holes on two screwed hole opposite positions.As shown in Figure 1, when needs are pulled down lower mold core 9 in the cover of prestressing force on the sectional die 4, earlier the connecting bolt 3 of prestressing force cover 4 with supporting seat 12 unclamped, then two suspension hooks 5 in every group of jockey are connected on the upper surface of the lower surface of mold assembly 7 and prestressing force cover 4, mold assembly 7 is connected on the slider of hydraulic press 8, steel wire 6 is connected, between the following suspension hook 5, two groups of jockeys are symmetrically distributed, and up along with hydraulic press pressure head 8 and mold assembly 7, by suspension hook 5 and steel wire 6 prestressing force cover 4 and lower mold core 9 are promoted, the stroke of its lifting is greater than the height of lower mold core 9.As shown in Figure 2, two lower support piece 2 symmetries are placed on the supporting seat 12, hydraulic press pressure head 8 and mold assembly 7 are descending, prestressing force cover 4 and lower mold core 9 are placed on two lower support pieces 2, and the end face of two lower support pieces 2 is supported on the bottom surface of prestressing force cover 4, removes steel wire 6 and suspension hook 5, two pressing mold back-up block 1 symmetries are placed on the lower mold core 9, make slider of hydraulic press 8 and mold assembly 7 descending once more,, lower mold core 9 is extruded from prestressing force cover 41 extruding of two pressing mold back-up blocks.As shown in Figure 3, slider of hydraulic press 8 and mold assembly 7 are up, take off two pressing mold back-up blocks 1, suspension hook 5 is connected on mold assembly 7 and the prestressing force cover 4 once more, steel wire 6 is connected between the upper and lower suspension hook 5, continue up hydraulic press pressure head 8 and mold assembly 7, promote the height of prestressing force cover 4 height, two lower support pieces 2 and lower mold core 9 are taken out greater than lower mold core 9.As shown in Figure 4, in the centre bore of prestressing force cover 4, put into new lower mold core, slider of hydraulic press 8 and mold assembly 7 are descending, suspension hook and steel wire are removed, two symmetrical respectively upper surfaces that are placed on prestressing force cover 4 of pressing mold back-up block 1, descending slider of hydraulic press 8 and mold assembly 7, to 1 extruding of two pressing mold back-up blocks, new lower mold core is pressed in the prestressing force cover 4, up slider of hydraulic press 8 and mold assembly 7, take off two pressing mold back-up blocks 1, with bolt prestressing force cover 4 is connected with supporting seat 12, then the sectional die die change is finished.Above-mentioned die change process is directly finished on the hydraulic press in operation, and is easy to operate, quick, do not need to re-move mould and is equipped with the die change hydraulic press in addition, effectively reduces production cost, improved the die change speed of sectional die.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (9)
1, a kind of mould changing device of sectional die, comprise mold assembly, bed die assembly and guide pillar guide sleeve device, the mold assembly is connected with the slide block of hydraulic press, and can do along the guide pillar guide sleeve device and move up and down, the bed die assembly comprises lower mold core, prestressing force cover and lower bolster, lower mold core is fixed on the lower bolster by the prestressing force cover, it is characterized in that, also comprise mould changing device, described mould changing device comprises jockey and bracing or strutting arrangement, and described jockey is connected between mold assembly and the prestressing force cover; Described bracing or strutting arrangement is connected with the prestressing force cover with lower mold core.
2, the mould changing device of sectional die according to claim 1, it is characterized in that, described jockey comprises at least two group suspension hook and steel wires, in every group of suspension hook and the steel wire suspension hook be connected on the mold assembly and prestressing combination formula mould in the upper surface of prestressing force cover, steel wire is connected between the upper and lower suspension hook.
3, the mould changing device of sectional die according to claim 1, it is characterized in that, described jockey also can directly be connected between the slide block and prestressing force cover of hydraulic press, the upper surface that the suspension hook in the jockey is connected on the slider of hydraulic press and prestressing force overlaps.
4, the mould changing device of sectional die according to claim 1, it is characterized in that, described bracing or strutting arrangement is divided into demoulding supporter and pressing mold supporter, wherein demoulding supporter comprises lower support and upper support body, lower support is arranged between the prestressing force cover and lower bolster after the mold assembly lifts prestressing force cover and lower mold core by jockey, and the upper support body is located at the lower mold core top; Described pressing mold supporter is arranged at prestressing force cover top.
5, the mould changing device of sectional die according to claim 4 is characterized in that, described upper support body and pressing mold supporter also can be structure as a whole.
According to the mould changing device of claim 4 or 5 described sectional dies, it is characterized in that 6, described upper support body is upper support piece or upper support ring, upper support piece or upper support are located on the top of lower mold core; Described lower support is lower support piece or lower support ring, and lower support piece or lower support ring are placed between the prestressing force cover and lower bolster after the mold assembly lifts prestressing force cover and lower mold core by jockey.
7, the mould changing device of sectional die according to claim 6 is characterized in that, the quantity of described upper support piece and lower support piece is respectively two at least.
According to the mould changing device of claim 4 or 5 described sectional dies, it is characterized in that 8, described pressing mold supporter also can be pressing mold back-up block or pressing mold support ring, pressing mold back-up block or pressing mold support ring are positioned over the top of prestressing force cover.
9, the mould changing device of sectional die according to claim 8 is characterized in that, the quantity of described pressing mold back-up block is at least two.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620001574 CN2882846Y (en) | 2006-02-15 | 2006-02-15 | Mould changing gear of combined mould |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620001574 CN2882846Y (en) | 2006-02-15 | 2006-02-15 | Mould changing gear of combined mould |
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CN2882846Y true CN2882846Y (en) | 2007-03-28 |
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CN 200620001574 Expired - Fee Related CN2882846Y (en) | 2006-02-15 | 2006-02-15 | Mould changing gear of combined mould |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101791837A (en) * | 2010-03-25 | 2010-08-04 | 东毓(宁波)油压工业有限公司 | Fast mold change mechanism of oil press |
CN101695730B (en) * | 2009-10-20 | 2011-06-08 | 无锡锡锻机床有限公司 | Rapid translation-type die changing mechanism of multi-site numerical control punch press |
CN102198482A (en) * | 2011-02-16 | 2011-09-28 | 马鞍山钢铁股份有限公司 | Method for changing die of pressing machine |
CN104801649A (en) * | 2015-05-06 | 2015-07-29 | 优德精密工业(昆山)股份有限公司 | Anti-bend chuck type hot forging die |
CN111842561A (en) * | 2020-08-03 | 2020-10-30 | 西安信康实业有限公司 | Molding press is used in production of transformer tank |
-
2006
- 2006-02-15 CN CN 200620001574 patent/CN2882846Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101695730B (en) * | 2009-10-20 | 2011-06-08 | 无锡锡锻机床有限公司 | Rapid translation-type die changing mechanism of multi-site numerical control punch press |
CN101791837A (en) * | 2010-03-25 | 2010-08-04 | 东毓(宁波)油压工业有限公司 | Fast mold change mechanism of oil press |
CN101791837B (en) * | 2010-03-25 | 2013-02-27 | 东毓(宁波)油压工业有限公司 | Fast mold change mechanism of oil press |
CN102198482A (en) * | 2011-02-16 | 2011-09-28 | 马鞍山钢铁股份有限公司 | Method for changing die of pressing machine |
CN104801649A (en) * | 2015-05-06 | 2015-07-29 | 优德精密工业(昆山)股份有限公司 | Anti-bend chuck type hot forging die |
CN111842561A (en) * | 2020-08-03 | 2020-10-30 | 西安信康实业有限公司 | Molding press is used in production of transformer tank |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 Termination date: 20140215 |