CN201366507Y

CN201366507Y - Multi-step mould frame for fully-automatic dry powder hydraulic press

Info

Publication number: CN201366507Y
Application number: CNU2009200092332U
Authority: CN
Inventors: 请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-18
Filing date: 2009-03-18
Publication date: 2009-12-23
Anticipated expiration: 2019-03-18

Abstract

The utility model discloses a multi-step mould frame for a fully-automatic dry powder hydraulic press. An upper mould part comprises an upper mould plate, on which an internal upper floating mould component provided with an upper first step in a pressing way, an internal upper fixed mould component provided with an upper second step, an external upper floating mould component provided with an upper third step and an external upper fixed mould component provided with an upper fourth step are arranged; a lower mould part comprises a female mould component, below a female mould plate of which an external lower fixed mould component provided with a lower first step in a pressing way, a first lower floating mould component provided with a lower second step in a pressing way, a second lower floating mould component provided with a lower third step in a pressing way and an internal lower fixed mould component provided with a lower fourth step in a pressing way are arranged; the middle hole of the internal lower fixed mould component is provided with an internal lower floating mould component provided with a lower fifth step in a pressing way, the central through hole of the piston rod of the internal lower floating mould component is internally provided with a mandril extension rod; a feeding device is arranged on the female mould plate; and a forced floating limit device is arranged between the upper mould component and the lower mould component. The multi-step mould frame has reasonable structure, complete function and safe and reliable use.

Description

Multi-step formwork for full-automatic dry powder hydrostatic press

Technical field:

The utility model relates to a kind of mould bases that is used for the metallurgical many step products of pressed powder.

Background technology:

Full-automatic dry powder hydrostatic press mould bases of the prior art, owing to reasons such as structures, it is wideless to exist range of application, particularly exists the weakness that incompatibility is compressed to the many step products of medium-to-high grade powder metallurgy of automobile accessories.

Summary of the invention:

It is a kind of scientific and reasonable for structure, multiple functional that the purpose of this utility model is to provide, and can be used for suppressing four steps, following five steps, but and the multi-step formwork for full-automatic dry powder hydrostatic press of hubbing band step or plug band step products.

Technical solution of the present utility model is:

A kind of multi-step formwork for full-automatic dry powder hydrostatic press is characterized in that: upper mould part is arranged, and the upper mould part below is provided with lower mould part; Upper mould part has the cope match-plate pattern of fixedlying connected with hydraulic press beam alive, the interior come-up dynamic model assembly that first step is gone up in compacting is housed on the cope match-plate pattern, the interior fixed die assembly of going up of second step is gone up in the dress compacting on the cope match-plate pattern, the outer come-up dynamic model assembly of last the 3rd step of dress compacting on the cope match-plate pattern, the outer fixed die assembly of going up of last the 4th step of dress compacting on the cope match-plate pattern; Lower mould part has the former assembly, the negative template below of former assembly is provided with the compacting outer fixed die assembly down of first step down, the middle fixed form below of outer fixed die assembly down is provided with the compacting first dynamic model assembly of floating downward of second step down, first the float downward moving platen below of first of dynamic model assembly of floating downward is provided with the compacting second dynamic model assembly of floating downward of the 3rd step down, second the float downward moving platen below of second of dynamic model assembly of floating downward is provided with the compacting interior fixed die assembly down of the 4th step down, in down the following die-cushion pore location of fixed die assembly be provided with compacting down the 5th step in the dynamic model assembly of floating downward, in float downward the 3rd time unsteady cylinder piston rod center of dynamic model assembly be through-hole structure, in its through hole, be provided with the plug extension bar, the plug extension bar is connected with plug extension bar motion governor motion, on the negative template of former assembly, be provided with pay-off, at upper mould part, the arranged outside compacting height limiting device of lower mould part is provided with between upper mould part and lower mould part and forces the stopping means that floats.

The interior come-up dynamic model assembly of first step comprises the last central cylinder that is contained in the cope match-plate pattern centre bore in the compacting, and the piston-rod lower end of last central cylinder is fixedlyed connected with the interior die-cushion of going up; The interior fixed die assembly of going up of second step has last die-cushion and the last feather key that is contained on the cope match-plate pattern in the compacting, and patrix is paid somebody's debt and expected repayment later the positioning and guiding cover of going up die-cushion as interior, and last feather key is the interior die-cushion guiding that goes up; The outer come-up dynamic model assembly of suppressing last the 3rd step comprises is located at the interior come-up moving platen of going up the die-cushion below, the come-up moving platen is connected on the lower end of a pair of cylinder piston rod that upward floats in the cope match-plate pattern, the come-up moving platen is provided with the fine setting swash plate, is fixed with upside cylinder stopping means on the cope match-plate pattern; The outer fixed die assembly of going up of suppressing last the 4th step comprises the last fixed form of being located at come-up moving platen below, and last fixed form is connected with cope match-plate pattern by upper support bar.The former assembly has negative template, negative template passes through down, and guide pillar is connected with lower bolster, lower bolster is connected with the piston rod of taking blame for others, take blame for others to be provided with to take blame for others on the following rod of piston rod and eject adjusting device and material sinking cylinder, taking blame for others is provided with the stopping means of leaving behind of taking blame for others on the last rod of piston rod, and the below of negative template installs cavity side cylinder stopping means; The compacting outer fixed die assembly down of first step down has the middle fixed form that is arranged on the negative template below, middle fixed form is fixed into one by lower support bar and following die-cushion and fixed form, gripper shoe, the two ends of gripper shoe are provided with to move lifts cylinder, and gripper shoe is fixed on the hydraulic press workbench; Compacting down second step first float downward the dynamic model assembly have be arranged in first moving platen of floating downward of fixed form below, first moving platen of floating downward is connected with the float piston rod of cylinder under first group, the cylinder that floats under first group is arranged in the fixed form, on the following rod of unsteady cylinder first time unsteady cylinder is set under first group and ejects adjusting device, float under first group the unsteady cylinder stop nut of leaving behind is set down on the last rod of cylinder, the fine setting swash plate is set on the fixed form first time, and first floats downward is provided with the first downside cylinder stopping means on the moving platen; The compacting down second dynamic model assembly of floating downward of the 3rd step has and is arranged on first second of the moving platen below moving platen of floating downward of floating downward, second moving platen of floating downward is connected with the float piston rod of cylinder under second group, the cylinder that floats under second group is arranged in the fixed form, on the following rod of unsteady cylinder second time unsteady cylinder is set under second group and ejects adjusting device, float under second group the unsteady cylinder stop nut of leaving behind is set down on the last rod of cylinder, the fine setting swash plate is set on the fixed form second time, and second floats downward is provided with the second downside cylinder stopping means on the moving platen; Compacting is the interior fixed die assembly down of the 4th step down, has to be arranged on the second following die-cushion of moving platen below of floating downward, and following die-cushion is packed on the fixed form; Compacting down the 5th step in float downward the dynamic model assembly have be arranged on down the die-cushion mesopore interior in the moving platen of floating downward, in the moving platen of floating downward be connected with the upper end of the 3rd time unsteady cylinder piston rod, the 3rd time unsteady cylinder is arranged on the centre bit of fixed form, the 3rd time unsteady cylinder is set on the following rod of the 3rd time unsteady cylinder piston rod ejects adjusting device and spacing regulating block, in float downward the 3rd downside cylinder stopping means of moving platen be arranged on down on the fixed form, following fixed form is fixed on the fixed form by suspension rod, the center of the 3rd time unsteady cylinder piston rod is a through-hole structure, the plug extension bar is set in its through hole, the plug extension bar is provided with the plug adjustable plate, and the lower end of plug extension bar is connected with following central cylinder piston rod by clamp.

The utility model is scientific and reasonable for structure; have compensation and feed in raw material, move synchronously powder, unsteady two-way compacting; initiatively float and suppress, force the compacting of floating; advantages such as back pressure, the pulling-down type demoulding or the ejecting type demoulding; multiple functional; can be used for suppressing upper and lower many steps sintered metal product, the mould mounting or dismounting are convenient, safe and reliable.

Description of drawings:

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the configuration diagram of an embodiment of the utility model.

Fig. 2 is the configuration diagram of upside stopping means.

Fig. 3 is the configuration diagram that first time unsteady cylinder ejects adjusting device.

Fig. 4 is the configuration diagram that the 3rd time unsteady cylinder ejects adjusting device.

Fig. 5 is the configuration diagram of forcing unsteady stopping means.

Fig. 6 is first, second configuration diagram of fine setting swash plate down.

The specific embodiment:

With reference to Fig. 1: a kind of multi-step formwork for full-automatic dry powder hydrostatic press, upper mould part is arranged, the upper mould part below is provided with lower mould part; Upper mould part has the cope match-plate pattern of fixedlying connected with hydraulic press beam alive, the interior come-up dynamic model assembly of first step is gone up in the dress compacting on the cope match-plate pattern, the interior fixed die assembly of going up of second step is gone up in the dress compacting on the cope match-plate pattern, the outer come-up dynamic model assembly of last the 3rd step of dress compacting on the cope match-plate pattern, the outer fixed die assembly of going up of last the 4th step of dress compacting on the cope match-plate pattern; Lower mould part has the former assembly, the negative template below of former assembly is provided with the compacting outer fixed die assembly down of first step down, the middle fixed form below of outer fixed die assembly down is provided with the compacting first dynamic model assembly of floating downward of second step down, first the float downward moving platen below of first of dynamic model assembly of floating downward is provided with the compacting second dynamic model assembly of floating downward of the 3rd step down, second the float downward moving platen below of second of dynamic model assembly of floating downward is provided with the compacting interior fixed die assembly down of the 4th step down, in be provided with in the following die-cushion mesopore of fixed die assembly down compacting down the 5th step in the dynamic model assembly of floating downward, in float downward and be provided with the plug extension bar in the piston rod intermediate throughholes of dynamic model assembly, the plug extension bar is connected with plug extension bar motion governor motion, on the negative template of former assembly, be provided with pay-off, at upper mould part, the arranged outside compacting height limiting device of lower mould part is provided with between upper mould part and lower mould part and forces the stopping means that floats.

The interior come-up dynamic model assembly of first step is made up of last central cylinder 2, the interior die-cushion 4 of going up in the compacting.Last central cylinder 2 is arranged in the centre bore of cope match-plate pattern 1, and the piston-rod lower end of last central cylinder 2 and interior upward die-cushion 4 usefulness bolting are one, when the piston of last central cylinder 2 moves, and interior piston synchronous operation of going up die-cushion 4 and last central cylinder 2.

The interior fixed die assembly of going up of second step is made up of last die-cushion 6 and last feather key 5 in the compacting.Last die-cushion 6 is packed on the cope match-plate pattern 1, and last feather key 5 is set in the keyway of die-cushion 6, and last die-cushion 6 and last feather key 5 also are that the interior die-cushion 4 of going up plays the guide-localization effect.

Suppress the outer come-up dynamic model assembly of last the 3rd step, by two cylinders 3 that go up to float, come-up moving platen 7, on finely tune swash plate 57, upper limit regulating block 58 and upside cylinder stopping means 59 and form.Going up the cylinder 3 that floats for two is arranged on the cope match-plate pattern 1, its piston rod is an one with come-up moving platen 7 usefulness bolting, last fine setting swash plate 57 is arranged on the come-up moving platen 7, between them for being slidingly matched, upside cylinder stopping means 59 is fixed on the cope match-plate pattern 1, its structure (Fig. 2) is by side cylinder 61, limited block 62 and slide plate 63 constitute, when the operation downwards of last unsteady cylinder 3, the piston rod DL synchronization of come-up moving platen 7 and last fine setting swash plate 57 and last unsteady cylinder 3, at this moment, piston rod in the side cylinder 61 of upside cylinder stopping means 59 advances, promote limited block 62 and enter the top of finely tuning swash plate 57 and upper limit regulating block 58, when floating compacting, come-up moving platen 7 and last fine setting swash plate 57 are forced to the last time of floating, on the limited block 62 that is pressed onto upside cylinder stopping means 59, when compacting finishes the demoulding, because press power release, upside cylinder stopping means 59 resets, limited block 62 is return, go up cylinder 3 backhauls of floating, come-up moving platen 7 is up, on the come-up moving platen 7, when floating operation down, with 4 upper support bars 8 and two upper guide posts 10 is guiding, between them be accurate movingly; In the last fine setting swash plate 57 inclined board and declined board are arranged, the inclined-plane of two swash plates is staggered relatively, because during the declined board horizontal displacement, the height of the inclined board that can only vertical direction moves is changed, thereby regulates the spacing height of upper limit regulating block 58.

Suppress the outer last fixed die assembly of last the 4th step, form by cope match-plate pattern 1, upper support bar 8, last fixed form 9.4 upper support bars 8 pass 4 pilot holes on the come-up moving platen 7, and the upper end fixes with bolt and cope match-plate pattern 1, and the lower end fixes with bolt and last fixed form 9.

Cope match-plate pattern 1 is fixed by bolts on the hydraulic press beam 60 alive, the upper end of two upper guide posts 10 is fixed by bolts on the cope match-plate pattern 1, pass the locating hole on the come-up moving platen 7, insert in the pilot hole of negative template 12 its lower part, with the fairlead of negative template 12 be accurate movingly, play the guide-localization effect of upper mould part and lower mould part.

The former assembly, by former pressing plate 11, negative template 12, cavity side cylinder stopping means 13, down guide pillar 35, lower bolster 37, connecting plate 40, the piston rod 46 of taking blame for others, taking blame for others ejects adjusting device 42, material sinking cylinder 43 and the stopping means 44 of leaving behind of taking blame for others is formed.The center of negative template 12 is provided with the hole that former is installed, former pressing plate 11 is fixed by bolts on the centre bore of negative template 12, work to compress former, fixed form 14 during 4 following guide pillars 35 pass, first moving platen 16 of floating downward, second pilot hole of floating downward on moving platen 19 and the fixed form 24, following guide pillar 35 is precision movingly with their pilot hole, the upper end of following guide pillar 35 is fixed by bolts on the negative template 12, the lower end is fixed by bolts on the lower bolster 37, lower bolster 37 fixes through the connecting plate 40 and the piston rod 46 of taking blame for others, take blame for others and eject adjusting device 42 and be arranged on the following rod of the piston rod 46 of taking blame for others, the stopping means 44 of leaving behind of taking blame for others is arranged on the last rod of the piston rod 46 of taking blame for others, and they are equipped with screw thread and match; Cavity side cylinder stopping means 13 is fixed on the below of negative template 12, piston rod 46 ejects when taking blame for others, negative template 12 upwards forms when feeding in raw material die cavity, its reinforced height ejects adjusting device 42 and regulates spacing by taking blame for others, material splashes when preventing to suppress, and when reinforced the end, material sinking cylinder 43 is return by ejecting the position, negative template 12 secondaries upwards eject, and form to have added material; When former had step unsteady compacting downwards, its shoulder height was spacing by cavity side cylinder stopping means 13, and when the compacting end, when the piston rod 46 pulling negative templates 12 of taking blame for others were left behind the demoulding, stopping means 44 adjustings of leaving behind by taking blame for others were spacing.The structure of cavity side cylinder stopping means 13 is identical with upside cylinder stopping means 59.

Compacting is the outer fixed die assembly down of first step down, by middle fixed form 14, lower support Beech 15, fixed form 24, gripper shoe 48 with move and lift cylinder 45 and form.The upper end bolting of middle fixed form 14 and 4

lower support bars

15,4 lower support bars 15 pass first the float downward through hole of moving platen 19 of moving platen 16, second of floating downward, die-cushion 54 installs with fixed form 24 and gripper shoe 48 and is one under the process, be fixed by bolts to by gripper shoe 48 on the workbench 41 of hydraulic press, 4 of gripper shoe 48 two ends move and lift cylinder 45 for the mould bases shift-in or shift out on the hydraulic press workbench 41 and be provided with.

Compacting is the first dynamic model assembly of floating downward of second step down, and floating downward by first, moving platen 16, the first downside cylinder stopping means 17, spacing regulating block 18, first time unsteady cylinder 23, first time unsteady cylinder eject adjusting device 28, leave behind stop nut 22 and first time fine setting swash plate 53 of unsteady cylinder formed down.The first piston rod upper end bolting of floating downward in moving platen 16 and the first time unsteady cylinder 23, first time unsteady cylinder 23 is arranged in the fixed form 24, first time unsteady cylinder 23 drive first floated downward on the moving platen 16, when floating operation down, following guide pillar 35 is guiding, first time unsteady cylinder ejects adjusting device 28 and is located on the following rod of first time unsteady cylinder 23, down the unsteady cylinder stop nut 22 of leaving behind is located on the last rod of first time unsteady cylinder 23, they are equipped with screw thread and match, can be by reinforced and the demoulding position of leaving behind of ejecting of transmission device or first time unsteady cylinder 23 of manual adjustments, first time fine setting swash plate 53 is located on the fixed form 24, they are for being slidingly matched, the first downside cylinder stopping means 17 is fixed on first and floats downward on the moving platen 16, during press forming, the shoulder height of goods is by first time fine setting swash plate 53, the spacing regulating block 18 and the first downside cylinder stopping means 17 are regulated spacing.First time unsteady cylinder ejects adjusting device 28 (Fig. 3), by adjusting handle 64, handwheel support 65, regulating wheel support 66, sprocket wheel 67, side power transmission shaft 68, locker 69, preceding bevel gear 70, preceding spur gear 71, preceding adjusting gear 72, clamping plate 73, back adjusting gear 74, back spur gear 75, back bevel gear 76, inter-axle shaft 77 and back are paid bevel gear 78 and are constituted, when rotating adjusting handle 64, by sprocket wheel 67, side power transmission shaft 68, inter-axle shaft 77, the front and back bevel gear, adjusting gear 72 and back adjusting gear 74 rotated synchronously before the front and back spur gear made, regulate the reinforced height that first time unsteady cylinder ejects, after regulating, for preventing to become flexible, side power transmission shaft 68 is locked with locker 69.The structure of the first downside cylinder stopping means 17 is identical with upside cylinder stopping means 59.

Compacting is the second dynamic model assembly of floating downward of the 3rd step down, and floating downward by second, moving platen 19, the second downside cylinder stopping means 20, spacing regulating block 21, second time unsteady cylinder 25, second time unsteady cylinder eject adjusting device 29, leave behind stop nut 22 and second time fine setting swash plate 52 of unsteady cylinder formed down.The second piston rod upper end bolting of floating downward in moving platen 19 and the second time unsteady cylinder 25, second time unsteady cylinder 25 is arranged in the fixed form 24, second time unsteady cylinder 25 drive second floated downward on the moving platen 19, when floating operation down, following guide pillar 35 is guiding, second time unsteady cylinder ejects adjusting device 29 and is located on the following rod of second time unsteady cylinder 25, down the unsteady cylinder stop nut 22 of leaving behind is located on the last rod of second time unsteady cylinder 25, they are equipped with screw thread and match, can be by reinforced and the demoulding position of leaving behind of ejecting of transmission device or second time unsteady cylinder 25 of manual adjustments, second time fine setting swash plate 52 is located on the fixed form 24, and they are for being slidingly matched.The second downside cylinder stopping means 20 is fixed on second and floats downward on the moving platen 19, and during press forming, the shoulder height of goods is regulated spacing by second time fine setting swash plate 52, spacing regulating block 21 and the second downside cylinder stopping means 20.It is identical that the structure that second time unsteady cylinder ejects adjusting device 29 and first time unsteady cylinder eject adjusting device 28.The structure of the second downside cylinder stopping means 20 is identical with upside cylinder stopping means 59.

Compacting is the interior fixed die assembly down of the 4th step down, has to be located at the second following die-cushion 54 of moving platen 19 belows of floating downward, and following die-cushion 54 is packed on the fixed form 24.

Compacting down the 5th step in the dynamic model assembly of floating downward, by the interior moving platen 26 of floating downward, the 3rd time unsteady cylinder 27, suspension rod 30, the 3rd time unsteady cylinder eject adjusting device 31, spacing regulating block 32, the 3rd downside cylinder stopping means 33, down fixed form 34, feather key 50 and means for adjusting limit of movement 49 are formed down.In the float downward piston rod upper end of moving platen 26 and the 3rd time unsteady cylinder 27 fixedly connected, the 3rd time unsteady cylinder 27 is arranged on the centre bit of fixed form 24, the following rod of the 3rd time unsteady cylinder 27 is provided with the 3rd time unsteady cylinder and ejects the structure that adjusting

device

31 and 32, the three times unsteady cylinders of spacing regulating block eject adjusting device 31 (Fig. 4) and comprise bevel gear 79, go up power transmission shaft 80, locker 81, adjusting handle 82, lower drive shaft 83, spur gear 84, hollow piston bar 85, adjusting gear 86 and spacing regulating block gear 87.Hollow piston bar 85, adjusting gear 86 and spacing regulating block gear 87, be equipped with accurate matching thread, when rotating adjusting handle 82, by power transmission shaft and geared system, adjusting gear 86 will raise on hollow piston bar 85 or reduce, thereby regulate the reinforced height that the 3rd time unsteady cylinder 27 ejects, during the upper and lower operation of hollow piston bar 85, following feather key 50 is guiding; The 3rd downside cylinder stopping means 33 is fixed on down on the fixed form 34, following fixed form 34 installs by 4 suspension rods 30 and fixed form 24 and is one, during the 3rd time unsteady cylinder press belt step product, the height dimension of its step is regulated by spacing regulating block 32 and means for adjusting limit of movement 49 and is realized that the structure of the 3rd downside cylinder stopping means 33 is identical with upside cylinder stopping means 59.

Plug extension bar and plug extension bar motion governor motion are made up of plug extension bar 36, plug adjustable plate 38, clamp 39 and following central cylinder 47.Plug extension bar 36 is arranged in the central through hole of the 3rd time unsteady cylinder piston rod, its lower end connects as one by the piston rod of clamp 39 and following central cylinder 47, plug extension bar 36 and plug adjustable plate 38 are equipped with screw thread and match, and are used to regulate the position that ejects and leave behind with spacing plug.

Be provided with pay-off 55 above the negative template 12.Compacting height limiting device 51, its variable partition is fixed on the hydraulic press workbench 41, and its top is fixed on the hydraulic press beam 60 alive, and the height of its effect control compacted products guarantees that repetitive positioning accuracy is good.

The stopping means 56 of forcing to float is made up of the hydraulic part that is fixed on the mechanical part on the negative template 12 and be fixed on the cope match-plate pattern 1.Its structure (Fig. 5): upper hydraulic cylinder is made up of cylinder body 88, piston rod 89, seaming chuck 91 and stop nut 90; The bottom is adjustable mechanical part, is made up of push-down head 92, adjusting rod 94, clamp ring 93 and limit base 95, and adjusting rod 94 and limit base 95 are provided with screw thread and match.Its effect: when former is provided with goods with the level, or extrudate density requires when very even, promptly with forcing the compacting of floating, its principle: in pressing process, when the seaming chuck 91 of hydraulic part is descending when being pressed onto the push-down head 92 of mechanical part, it is descending that the stopping means 56 of forcing to float forces to promote negative template 12, during the descending hubbing side cylinder stopping means 13 of negative template 12, negative template 12 promptly stops descending, press power will constantly increase this moment, when press power during greater than the pressure of the hydraulic cylinder that force to float, the cylinder pressure valve of forcing to float is opened the overflow pressure release, patrix continues descending compacting, form back pressure process, when being pressed onto compacting height limiting device 51, whole pressing process finishes.

Fig. 6 is the first time fine setting swash plate 53 of this mould bases and the structural representation of second time fine setting swash plate 52, first time fine setting swash plate 53 and second time fine setting swash plate 52 all are arranged on the fixed form 24, and second time the fine setting swash plate 52 be arranged on first time the fine setting swash plate 53 the centre, first time the fine setting swash plate 53, form by spacing regulating block 96, inclined board 97, declined board 98, declined board adjusting handle 99 and locker 102; Second time fine setting swash plate 52 is made up of locker 100, declined board regulating wheel 101, declined board 103, inclined board 104 and spacing regulating block 105; The inclined-plane of upper and lower swash plate is put relatively, regulate declined board, make it to move horizontally, inclined board then moves at vertical direction, thereby adjust the high and low position of spacing regulating block, the mobile of first time fine setting swash plate 53 is guiding with 4 following guide pillars 35, and the following die-cushion 54 that moves of second time fine setting swash plate 52 is guiding.

Claims

1, a kind of multi-step formwork for full-automatic dry powder hydrostatic press is characterized in that: upper mould part is arranged, and the upper mould part below is provided with lower mould part; Upper mould part has the cope match-plate pattern of fixedlying connected with hydraulic press beam alive, the interior come-up dynamic model assembly of first step is gone up in the dress compacting on the cope match-plate pattern, the interior fixed die assembly of going up of second step is gone up in the dress compacting on the cope match-plate pattern, the outer come-up dynamic model assembly of last the 3rd step of dress compacting on the cope match-plate pattern, the outer fixed die assembly of going up of last the 4th step of dress compacting on the cope match-plate pattern; Lower mould part has the former assembly, the negative template below of cavity block assembly is provided with the compacting outer fixed die assembly down of first step down, outer down fixedly the middle fixed form below of membrane module the compacting first dynamic model assembly of floating downward of second step down is set, first the float downward moving platen below of first of dynamic model assembly of floating downward is provided with the compacting second dynamic model assembly of floating downward of the 3rd step down, second the float downward moving platen below of second of dynamic model assembly of floating downward is provided with the compacting interior fixed die assembly down of the 4th step down, in be provided with in the following die-cushion centre bore of fixed die assembly down compacting down the 5th step in the dynamic model assembly of floating downward, in float downward the 3rd time unsteady cylinder piston rod center of dynamic model assembly be through-hole structure, in its through hole, be provided with the plug extension bar, the plug extension bar is connected with plug extension bar motion governor motion, on the negative template of former assembly, be provided with pay-off, at upper mould part, the arranged outside compacting height limiting device of lower mould part is provided with between upper mould part and lower mould part and forces the stopping means that floats.

2, multi-step formwork for full-automatic dry powder hydrostatic press according to claim 1, it is characterized in that: in the compacting that on cope match-plate pattern, is provided with the interior come-up dynamic model assembly of first step comprise be contained in the cope match-plate pattern centre bore on central cylinder, the piston-rod lower end of last central cylinder is fixedlyed connected with the interior die-cushion of going up; On second step in the compacting that is provided with on the cope match-plate pattern interior the fixed die assembly have be contained on the cope match-plate pattern on die-cushion, be provided with feather key in the keyway of last die-cushion; In the compacting that on cope match-plate pattern, is provided with the outer come-up dynamic model assembly of the 3rd step comprise be located on come-up moving platen below the die-cushion, the come-up moving platen be arranged on cope match-plate pattern in a pair ofly unsteady cylinder piston rod lower end and be connected, the come-up moving platen is provided with the fine setting swash plate, and upside cylinder stopping means is packed on the cope match-plate pattern; On the 4th step in the compacting that is provided with on the cope match-plate pattern outer the fixed die assembly comprise be located at below the come-up moving platen on fixed form, last fixed form is connected with cope match-plate pattern by upper support bar.

3, multi-step formwork for full-automatic dry powder hydrostatic press according to claim 1, it is characterized in that: the former assembly has negative template, negative template passes through down, and guide pillar is connected with lower bolster, lower bolster is connected with the piston rod of taking blame for others by connecting plate, take blame for others to be provided with to take blame for others on the following rod of piston rod and eject adjusting device and material sinking cylinder, taking blame for others is provided with the stopping means of leaving behind of taking blame for others on the last rod of piston rod, and the below of negative template installs cavity side cylinder stopping means.

4, multi-step formwork for full-automatic dry powder hydrostatic press according to claim 1, it is characterized in that: the compacting outer fixed die assembly down of first step down has the middle fixed form of being located at the negative template below, middle fixed form is fixed into one by lower support bar and following die-cushion and fixed form, gripper shoe, the two ends of gripper shoe are provided with to move lifts cylinder, and gripper shoe is fixed on the hydraulic press workbench.

5, multi-step formwork for full-automatic dry powder hydrostatic press according to claim 1, it is characterized in that: compacting down second step first float downward the dynamic model assembly have be located in first moving platen of floating downward of fixed form below, first moving platen of floating downward is connected with the float piston rod of cylinder under first group, the cylinder that floats under first group is arranged in the fixed form, on the following rod of unsteady cylinder first time unsteady cylinder is set under first group and ejects adjusting device, float under first group the unsteady cylinder stop nut of leaving behind is set down on the last rod of cylinder, the fine setting swash plate is set on the fixed form first time, and first floats downward is provided with the first downside cylinder stopping means on the moving platen.

6, multi-step formwork for full-automatic dry powder hydrostatic press according to claim 1, it is characterized in that: the compacting down second dynamic model assembly of floating downward of the 3rd step has and is arranged on first second of the moving platen below moving platen of floating downward of floating downward, second moving platen of floating downward is connected with the float piston rod of cylinder under second group, the cylinder that floats under second group is arranged in the fixed form, on the following rod of unsteady cylinder second time unsteady cylinder is set under second group and ejects adjusting device, float under second group the unsteady cylinder stop nut of leaving behind is set down on the last rod of cylinder, the fine setting swash plate is set on the fixed form second time, and second floats downward is provided with the second downside cylinder stopping means on the moving platen.

7, multi-step formwork for full-automatic dry powder hydrostatic press according to claim 1 is characterized in that: the compacting down interior fixed die assembly down of the 4th step has and is arranged on the second following die-cushion of moving platen below of floating downward, and following die-cushion is fixed on the fixed form.

8, multi-step formwork for full-automatic dry powder hydrostatic press according to claim 1, it is characterized in that: compacting down the 5th step in float downward the dynamic model assembly have be arranged on down the die-cushion mesopore interior in the moving platen of floating downward, in the moving platen of floating downward be connected with the upper end of the 3rd time unsteady cylinder piston rod, the 3rd time unsteady cylinder is arranged on the centre bit of fixed form, its piston rod center is a through-hole structure, the following rod of the 3rd time unsteady cylinder is provided with the 3rd time unsteady cylinder and ejects adjusting device and spacing regulating block, in float downward the 3rd downside cylinder stopping means of moving platen be arranged on down on the fixed form, following fixed form is fixed on the fixed form by suspension rod, is provided with down feather key in the mesopore of following fixed form.