CN104475689A - Closed type centrifugal impeller casting device - Google Patents
Closed type centrifugal impeller casting device Download PDFInfo
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- CN104475689A CN104475689A CN201410799478.5A CN201410799478A CN104475689A CN 104475689 A CN104475689 A CN 104475689A CN 201410799478 A CN201410799478 A CN 201410799478A CN 104475689 A CN104475689 A CN 104475689A
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- China
- Prior art keywords
- closed type
- type centrifugal
- centrifugal pump
- backform
- pump vane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/28—Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
Abstract
The invention provides a closed type centrifugal impeller casting device which comprises a bottom mould part, a top mould part, a plurality of carbonyl cores and an ejection part, wherein the top mould part is detachably buckled on the bottom mould part, and a cavity is formed between the bottom mould part and the top mould part; a plurality of the carbonyl cores are arranged in the cavity at intervals along the peripheral direction of the bottom mould part; and the ejection part is movably arranged on the bottom mould part, and one side, which faces the top mould part, of the ejection end of the ejection part extends to act or retracts into the bottom mould part. Because the ejection part is arranged, after the casting is completed, one side, which faces the top mould part, of the ejection end of the ejection part extends to act to eject a completely cast closed type centrifugal impeller from the bottom mould part so that the closed type centrifugal impeller is completely removed from the bottom mould part, so that the demoulding difficulty is reduced, the qualification rate of finished products is increased, and the problem of finished product damage caused by difficult demoulding is prevented.
Description
Technical field
The present invention relates to pump vane casting equipment technical field, in particular to a kind of closed type centrifugal pump vane casting device.
Background technology
When carrying out closed type centrifugal pump vane casting (belonging to hot investment casting part), because this impeller is enclosed construction, thus casting and closed type centrifugal impeller after completing casting all easily existing defects, there is the problems such as demoulding difficulty, thus cause product rejection, there is the problem that casting success ratio is low, product qualified rate is low.
Summary of the invention
Main purpose of the present invention is to provide a kind of closed type centrifugal pump vane casting device, to solve the problem that in prior art, the demoulding of closed type centrifugal impeller is difficult, product qualified rate is low.
To achieve these goals, the invention provides a kind of closed type centrifugal pump vane casting device, comprising: bottom model section; Backform portion, backform portion removably be located in the top of bottom model section, forms die cavity between bottom model section and backform portion; Carbonyl core, carbonyl core is multiple, and multiple carbonyl core is disposed in die cavity around the circumference of bottom model section; Ejection part, ejection part is movably arranged on bottom model section, and the ejection end of ejection part is towards backform portion side extend action or bounce back in bottom model section.
Further, bottom model section comprises: bed die cavity plate; Axle, the projecting center in bed die cavity plate of axle and stretching out to side, backform portion.
Further, closed type centrifugal pump vane casting device also comprises carbonyl core location division, and carbonyl core location division is arranged on bottom model section, carbonyl core and the location division clamping of carbonyl core.
Further, carbonyl core location division comprises: locating ring, and locating ring arranges the outer peripheral edge place of bed die cavity plate, locating ring offers multiple locating slot, and multiple locating slot is intervally installed; Positioning Gear, Positioning Gear is arranged on the top of axle, and the circumference of Positioning Gear has spaced multiple location teeth groove, and teeth groove and a locating slot clamping are located respectively in the two ends of each carbonyl core with one.
Further, carbonyl core location division also comprises cover plate, and plate cover is located on the second end of Positioning Gear, carbonyl core.
Further, closed type centrifugal pump vane casting device also comprises retaining mechanism, and retaining mechanism is arranged on bottom model section, and retaining mechanism abuts with carbonyl core or is separated.
Further, closed type centrifugal pump vane casting device also comprises retaining mechanism, retaining mechanism comprises: locking pin, locking pin is arranged on locating ring movably along the radial direction of bottom model section, and the side towards bottom model section center of locking pin is for holding out against end, the end that holds out against of locking pin abuts with carbonyl core or is separated; Locking drive division, locking drive division drives with locking pin and is connected.
Further, locking pin is multiple, and locking drive division is multiple, and form bulge-structure between adjacent two locating slots, on each bulge-structure, equal correspondence is provided with a locking pin, and multiple locking pin and multiple locking drive division connect one to one.
Further, bottom model section also comprises installation base plate, and installation base plate is connected with bed die cavity plate, and retaining mechanism is arranged on installation base plate.
Further, bed die cavity plate has dodges perforate, and ejection part comprises: ejection plate, and ejection plate correspondence is arranged on dodges tapping, and when original state the end face of ejection plate and the either flush of bed die cavity plate, the end face of ejection plate is the ejection end of ejection part; Ejection drive division, ejection drive division drives with ejection plate and is connected.
Further, closed type centrifugal pump vane casting device also comprises pedestal, and pedestal is arranged on the below of bed die cavity plate, and pedestal has container cavity, and ejection drive division is arranged in container cavity.
Further, ejection part also comprises Buffer Unit, and Buffer Unit is arranged in container cavity, and between the Buffer Unit below that is connected to ejection plate and pedestal.
Further, Buffer Unit also comprises: spring stem, and spring stem is arranged in the container cavity between ejection plate and pedestal; Buffer spring, buffer spring is set on spring stem.
Further, ejection part also comprises transmission push pedal, and ejection drive division is driven with ejection plate by transmission push pedal and is connected.
Further, ejection plate is multiple, bed die cavity plate is arranged at intervals with multiplely dodge hole, and each equal correspondence in hole place of dodging is provided with an ejection plate, and transmission push pedal is connected with ejection plate.
Further, closed type centrifugal pump vane casting device also comprises handle, and handle is connected with pedestal and stretches out to the side away from pedestal.
Further, closed type centrifugal pump vane casting device also comprises material injection nozzle, and backform portion has material hole, and material hole is communicated with die cavity, and material injection nozzle is arranged on material hole place.
Further, backform portion comprises backform assembly, and backform assembly is arranged in bed die cavity plate, and forms die cavity between backform assembly and bed die cavity plate, and one end towards bed die cavity plate of backform assembly has the dentalation with locating slot grafting.
Further, backform portion comprises backform assembly, and backform assembly has multiple points of backforms, multiple points of backforms circumferentially spicing forming type successively.
Further, backform portion also comprises: backform assembly, and backform assembly is arranged in bed die cavity plate, and forms die cavity between backform assembly and bed die cavity plate; Locked mode frame, locked mode frame is set in the outside of backform assembly to be located by multiple points of backforms.
Further, backform portion also comprises pressing plate, and pressing plate be located in the top of locked mode frame.
Further, the outer peripheral face of backform assembly is taper cambered surface.
Further, backform portion also comprises lug, and lug is arranged on the outer peripheral face of backform assembly.
Apply technical scheme of the present invention, backform portion removably be located in the top of bottom model section, die cavity is formed between bottom model section and backform portion, carbonyl core is multiple, multiple carbonyl core is disposed in die cavity around the circumference of bottom model section, ejection part is movably arranged on bottom model section, and the ejection end of ejection part is towards backform portion side extend action or bounce back in bottom model section.Owing to being provided with ejection part, thus after casting completes, the ejection end of ejection part is towards backform portion side extend action, by the closed type centrifugal impeller cast by jack-up on bottom model section, thus make closed type centrifugal impeller by bottom model section complete deviate from, reduce demoulding difficulty and improve product qualified rate, avoiding the problem because demoulding difficulty causes finished product to damage.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the explosive view of the closed type centrifugal pump vane casting device in the present invention;
Fig. 2 shows the structural representation of the closed type centrifugal pump vane casting device in the present invention; And
Fig. 3 shows the installation relation schematic diagram of carbonyl core in the present invention and bottom model section.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, bottom model section; 11, bed die cavity plate; 12, axle; 13, installation base plate; 20, backform portion; 21, material hole; 22, backform assembly; 23, dentalation; 24, locked mode frame; 25, pressing plate; 26, lug; 30, die cavity; 40, carbonyl core; 50, ejection part; 51, ejection plate; 52, ejection drive division; 53, spring stem; 54, buffer spring; 55, transmission push pedal; 60, retaining mechanism; 61, locking pin; 62, drive division is locked; 70, pedestal; 71, container cavity; 80, carbonyl core location division; 81, locating ring; 82, locating slot; 83, Positioning Gear; 84, teeth groove is located; 85, cover plate; 86, bulge-structure; 90, handle; 91, material injection nozzle.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
In order to solve the problem that in prior art, the demoulding of closed type centrifugal impeller is difficult, product qualified rate is low, the invention provides a kind of closed type centrifugal pump vane casting device.
As shown in Figure 1 to Figure 3, closed type centrifugal pump vane casting device comprises bottom model section 10, backform portion 20, carbonyl core 40 and ejection part 50, and backform portion 20 removably be located in the top of bottom model section 10, forms die cavity 30 between bottom model section 10 and backform portion 20; Carbonyl core 40 is multiple, and multiple carbonyl core 40 is disposed in die cavity 30 around the circumference of bottom model section 10; Ejection part 50 is movably arranged on bottom model section 10, and the ejection end of ejection part 50 is towards backform portion 20 side extend action or bounce back in bottom model section 10.
Owing to being provided with ejection part 50, thus after casting completes, the ejection end of ejection part 50 is towards backform portion 20 side extend action, by the closed type centrifugal impeller cast by jack-up on bottom model section 10, thus make closed type centrifugal impeller by bottom model section 10 complete deviate from, reduce demoulding difficulty and improve product qualified rate, avoiding the problem because demoulding difficulty causes finished product to damage.
Use the closed type centrifugal pump vane casting device in the present invention, first should carbonyl core 40 be placed on bottom model section 10, then buckle backform portion 20, again to injecting material in die cavity 30, after material cooling forming, backform portion 20 is removed, by ejection part 50 by product by jack-up on bottom model section 10, thus complete stripping action.
As shown in Figure 1, bottom model section 10 comprises bed die cavity plate 11 and axle 12, the projecting center in bed die cavity plate 11 of axle 12 and stretching out to side, backform portion 20.Owing to being provided with axle 12, the product thus after having cast has through hole at this axle 12 place, thus is convenient to the through hole of the central shaft of closed type centrifugal impeller being inserted this product, is combined into complete closed type centrifugal pump vane casting device.
In order to ensure the reliability of positioning of carbonyl core 40, the closed type centrifugal pump vane casting device in the present invention also comprises carbonyl core location division 80, and carbonyl core location division 80 is arranged on bottom model section 10, carbonyl core 40 and location division 80 clamping of carbonyl core.Due to carbonyl core 40 and location division 80 clamping of carbonyl core, thus ensure that the installation stability of carbonyl core 40 on bottom model section 10, avoid carbonyl core 40 in the process of casting to be shifted, to loosen, thus effectively improve casting success ratio and the product qualified rate of closed type centrifugal impeller.
In the preferred embodiment illustrated in fig. 1, carbonyl core location division 80 comprises locating ring 81 and Positioning Gear 83, and locating ring 81 arranges the outer peripheral edge place of bed die cavity plate 11, locating ring 81 offers multiple locating slot 82, and multiple locating slot 82 is intervally installed; Positioning Gear 83 is arranged on the top of axle 12, and the circumference of Positioning Gear 83 has spaced multiple location teeth groove 84, and teeth groove 84 and the clamping of a locating slot 82 are located respectively in the two ends of each carbonyl core 40 with one.Because the two ends of carbonyl core 40 are located by locating ring 81 and Positioning Gear 83 respectively, thus effectively avoid carbonyl core 40 to loosen, be shifted, ensure that the installation reliability of carbonyl core 40.
In order to avoid carbonyl core 40 departs from by drawing together on locating ring 81 and/or Positioning Gear 83, the carbonyl core location division 80 in the present invention also comprises cover plate 85, on the second end that cover plate 85 is located at Positioning Gear 83, carbonyl core 40 (please refer to Fig. 1 and Fig. 2).Because cover plate 85 is located on the second end of Positioning Gear 83, carbonyl core 40, thus effectively avoid Positioning Gear 83, carbonyl core 40 rocks, thus ensure that the connection reliability of carbonyl core 40 and locating ring 81 and Positioning Gear 83.
Preferably, the peripheral region of cover plate 85 has the backstop convex edge of stretching out towards bottom model section 10 side, the backstop convex edge counter stopper of carbonyl core 40 and cover plate 85.
Carbonyl core 40 can lock by cover plate 85 on the axis direction of axle 12, and also needs in the radial direction of bottom model section 10 installation reliability ensureing carbonyl core 40.In order to solve carbonyl core 40 installation stability problem diametrically, the closed type centrifugal pump vane casting device in the present invention also comprises retaining mechanism 60, and retaining mechanism 60 is arranged on bottom model section 10, and retaining mechanism 60 abuts with carbonyl core 40 or is separated.Owing to being provided with retaining mechanism 60, thus when retaining mechanism 60 pushes against with carbonyl core 40, the reliability of positioning of carbonyl core 40 and bottom model section 10 can be ensured.
In the preferred embodiment shown in Fig. 1 and Fig. 2, closed type centrifugal pump vane casting device also comprises retaining mechanism 60, retaining mechanism 60 comprises locking pin 61 and locking drive division 62, locking pin 61 is arranged on locating ring 81 along the radial direction of bottom model section 10 movably, and the side towards bottom model section 10 center of locking pin 61 is for holding out against end, the end that holds out against of locking pin 61 abuts with carbonyl core 40 or is separated; Locking drive division 62 drives with locking pin 61 and is connected.By locking the action of drive division 62, locking pin 61 can be made along the radial action of bottom model section 10, thus make the end that holds out against of locking pin 61 abut with carbonyl core 40 or be separated.
As shown in Figure 1, locking pin 61 is multiple, and locking drive division 62 is multiple, forms bulge-structure 86 between adjacent two locating slots 82, on each bulge-structure 86, equal correspondence is provided with a locking pin 61, and multiple locking pin 61 connects one to one with multiple locking drive division 62.Because locking pin 61, carbonyl core 40, locking drive division 62 all connect one to one, thus ensure that the reliability of positioning of carbonyl core 40 on bottom model section 10.
Preferably, locking drive division 62 is orthoscopic drive division.Further, locking drive division 62 is orthoscopic cylinder or oil cylinder etc.
In preferred embodiment shown in Fig. 1 to Fig. 3, bottom model section 10 also comprises installation base plate 13, and installation base plate 13 is connected with bed die cavity plate 11, and retaining mechanism 60 is arranged on installation base plate 13.Owing to being provided with installation base plate 13, thus ensure that installation stability and the reliability of retaining mechanism 60.Specifically, lock drive division 62 to be fixed on installation base plate 13.
In preferred embodiment shown in Fig. 1 to Fig. 3, bed die cavity plate 11 has dodges perforate, ejection part 50 comprises ejection plate 51 and ejection drive division 52, ejection plate 51 correspondence is arranged on dodges tapping, and when original state the end face of ejection plate 51 and the either flush of bed die cavity plate 11, the end face of ejection plate 51 is the ejection end of ejection part 50, and ejection drive division 52 drives with ejection plate 51 and is connected.When the end face of ejection plate 51 is by ejection drive division 52 jack-up, now the end face of ejection plate 51 is higher than the end face of bed die cavity plate 11, thus makes the product after casting by jack-up, realizes the demoulding.
Closed type centrifugal pump vane casting device in the present invention also comprises pedestal 70, and pedestal 70 is arranged on the below of bed die cavity plate 11, and pedestal 70 has container cavity 71, and ejection drive division 52 is arranged in container cavity 71 (please refer to Fig. 2).Owing to being provided with pedestal 70, what thus not only ensure that ejection drive division 52 arranges reliability, also assures that the shelf-stability of closed type centrifugal pump vane casting device, ensure that carrying out smoothly of casting process.
In order to avoid the unexpected retraction of ejection part 50, or the below of bed die cavity plate 11 is absorbed in because of external force, ejection part 50 in the present invention also comprises Buffer Unit, and Buffer Unit is arranged in container cavity 71, and Buffer Unit is connected between the below of ejection plate 51 and pedestal 70.Owing to being provided with Buffer Unit, thus provide reliable support force for ejection plate 51, thus ensure that the dependability of closed type centrifugal pump vane casting device.
In preferred embodiment shown in Fig. 1 to Fig. 3, Buffer Unit also comprises spring stem 53 and buffer spring 54, and spring stem 53 is arranged in the container cavity 71 between ejection plate 51 and pedestal 70, and buffer spring 54 is set on spring stem 53.Certainly, Buffer Unit can also be elastic rubber fitting etc.
Ejection part 50 in the present invention also comprises transmission push pedal 55, and ejection drive division 52 is driven with ejection plate 51 by transmission push pedal 55 and is connected.Owing to being provided with transmission push pedal 55, thus ensure the know clearly kinetic stability of ejection plate 51 and uniform force.
In preferred embodiment shown in Fig. 1 to Fig. 3, ejection plate 51 is multiple, bed die cavity plate 11 is arranged at intervals with multiplely dodge hole, and each equal correspondence in hole place of dodging is provided with an ejection plate 51, and transmission push pedal 55 is connected with ejection plate 51.Owing to being provided with multiple ejection plate 51, thus increase effectively the contact area of ejection plate 51 and product, thus when avoiding the demoulding, cause the problem of damage of product because local stress is excessive, effectively improve the product qualified rate of closed type centrifugal impeller.
As shown in Figure 1, closed type centrifugal pump vane casting device also comprises material injection nozzle 91, and backform portion 20 has material hole 21, and material hole 21 is communicated with die cavity 30, and material injection nozzle 91 is arranged on material hole 21 place.By material injection nozzle 91 and material hole 21, material is injected in die cavity 30.
Backform portion 20 in the present invention comprises backform assembly 22, backform assembly 22 is arranged in bed die cavity plate 11, and forming die cavity 30 between backform assembly 22 and bed die cavity plate 11, one end towards bed die cavity plate 11 of backform assembly 22 has the dentalation 23 (please refer to Fig. 1) with locating slot 82 grafting.Because backform assembly 22 has dentalation 23, be thus plugged in the locating slot 82 of bed die cavity plate 11 by dentalation 23, backform assembly 22 and bed die cavity plate 11 can be located, ensure that the connection reliability of the two.
Preferably, backform portion 20 comprises backform assembly 22, and backform assembly 22 has multiple points of backforms, multiple points of backforms circumferentially spicing forming type successively.Because backform assembly 22 is by multiple points of backforms circumferentially spicing forming type successively, thus improves the demoulding reliability of enclosed impeller, thus ensure that the dependability of closed type centrifugal pump vane casting device.
In the preferred embodiment illustrated in fig. 1, backform portion 20 also comprises backform assembly 22 and locked mode frame 24, and backform assembly 22 is arranged in bed die cavity plate 11, and forms die cavity 30 between backform assembly 22 and bed die cavity plate 11; Locked mode frame 24 is set in the outside of backform assembly 22 to be located by multiple points of backforms.Owing to being provided with locked mode frame 24, thus ensure that the connection reliability between multiple points of backforms, avoid multiple points of backforms separated from one another.
Backform portion 20 in the present invention also comprises pressing plate 25, and pressing plate 25 be located in the top of locked mode frame 24.Owing to being provided with pressing plate 25, thus ensure that pressing plate 25 can also play the effect of compression to cover plate 85, thus ensure that the connection secured to one another of each parts in backform portion 20, ensure that the shaping reliability in backform portion 20.
Preferably, the outer peripheral face of backform assembly 22 is taper cambered surface.Outer peripheral face due to backform assembly 22 is taper cambered surface, thus effectively reduces the total quality of backform assembly 22, makes backform assembly 22 have light-weighted feature, reduces the manufacturing cost of closed type centrifugal pump vane casting device.
Be convenient to the feature of movement to make backform assembly 22 have, backform portion 20 also comprises lug 26, and lug 26 is arranged on the outer peripheral face of backform assembly 22.Staff holds lug 26, can be moved by backform assembly 22 easily, thus improves the property easy to use of closed type centrifugal pump vane casting device.
Closed type centrifugal pump vane casting device in the present invention also comprises handle 90, and handle 90 is connected with pedestal 70 and stretches out (please refer to Fig. 1 and Fig. 3) to the side away from pedestal 70.Owing to being provided with handle 90, being thus convenient to carrying closed type centrifugal pump vane casting device, improve the property easy to use of closed type centrifugal pump vane casting device.
It should be noted that, the gap formed blades wax pattern between adjacent two carbonyl cores 40, the water-soluble solution of carbonyl core 40 after shaping external mold wax pattern, and take carbonyl core 40 two ends steel positioning key away.
The present invention adopts ejection part 50 to be ejected by closed type centrifugal impeller, solves the problem of demoulding difficulty, effectively avoids impeller surface in knockout course to damage, ensure that the uniformity of force, reduces the labour intensity of staff, improve operating efficiency.
Closed type centrifugal pump vane casting device in the present invention produces the closed type centrifugal impeller obtained and has steady quality, and production efficiency is high, the feature that mould working service is convenient and reliable.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (23)
1. a closed type centrifugal pump vane casting device, is characterized in that, comprising:
Bottom model section (10);
Backform portion (20), described backform portion (20) removably be located in the top of described bottom model section (10), forms die cavity (30) between described bottom model section (10) and described backform portion (20);
Carbonyl core (40), described carbonyl core (40) is for multiple, and multiple described carbonyl core (40) is disposed in described die cavity (30) around the circumference of described bottom model section (10);
Ejection part (50), described ejection part (50) is movably arranged on described bottom model section (10), and the ejection end of described ejection part (50) is towards described backform portion (20) side extend action or bounce back in described bottom model section (10).
2. closed type centrifugal pump vane casting device according to claim 1, is characterized in that, described bottom model section (10) comprising:
Bed die cavity plate (11);
Axle (12), the projecting center described bed die cavity plate (11) of described axle (12) and stretching out to described backform portion (20) side.
3. closed type centrifugal pump vane casting device according to claim 2, it is characterized in that, described closed type centrifugal pump vane casting device also comprises carbonyl core location division (80), described carbonyl core location division (80) is arranged on described bottom model section (10), described carbonyl core (40) and the clamping of described carbonyl core location division (80).
4. closed type centrifugal pump vane casting device according to claim 3, is characterized in that, described carbonyl core location division (80) comprising:
Locating ring (81), described locating ring (81) arranges the outer peripheral edge place of described bed die cavity plate (11), described locating ring (81) offers multiple locating slot (82), multiple described locating slot (82) is intervally installed;
Positioning Gear (83), described Positioning Gear (83) is arranged on the top of described axle (12), the circumference of described Positioning Gear (83) has spaced multiple location teeth groove (84), the two ends of each described carbonyl core (40) respectively with described location teeth groove (84) and the clamping of a described locating slot (82).
5. closed type centrifugal pump vane casting device according to claim 4, it is characterized in that, described carbonyl core location division (80) also comprises cover plate (85), and described cover plate (85) is located on the second end of described Positioning Gear (83), described carbonyl core (40).
6. closed type centrifugal pump vane casting device according to claim 1, it is characterized in that, described closed type centrifugal pump vane casting device also comprises retaining mechanism (60), described retaining mechanism (60) is arranged on described bottom model section (10), and described retaining mechanism (60) abuts with described carbonyl core (40) or is separated.
7. closed type centrifugal pump vane casting device according to claim 4, is characterized in that, described closed type centrifugal pump vane casting device also comprises retaining mechanism (60), and described retaining mechanism (60) comprising:
Locking pin (61), described locking pin (61) is arranged on described locating ring (81) along the radial direction of described bottom model section (10) movably, and the side towards described bottom model section (10) center of described locking pin (61) is for holding out against end, the end that holds out against of described locking pin (61) abuts with described carbonyl core (40) or is separated;
Locking drive division (62), described locking drive division (62) drives with described locking pin (61) and is connected.
8. closed type centrifugal pump vane casting device according to claim 7, it is characterized in that, described locking pin (61) is for multiple, described locking drive division (62) is for multiple, bulge-structure (86) is formed between adjacent two described locating slots (82), the upper equal correspondence of each described bulge-structure (86) is provided with a described locking pin (61), and multiple described locking pin (61) and multiple described locking drive division (62) connect one to one.
9. the closed type centrifugal pump vane casting device according to any one of claim 6 to 8, it is characterized in that, described bottom model section (10) also comprises installation base plate (13), described installation base plate (13) is connected with described bed die cavity plate (11), and described retaining mechanism (60) is arranged on described installation base plate (13).
10. closed type centrifugal pump vane casting device according to claim 2, is characterized in that, described bed die cavity plate (11) has dodges perforate, and described ejection part (50) comprising:
Ejection plate (51), tapping is dodged described in described ejection plate (51) correspondence is arranged on, and when original state the end face of described ejection plate (51) and the either flush of described bed die cavity plate (11), the end face of described ejection plate (51) is the ejection end of described ejection part (50);
Ejection drive division (52), described ejection drive division (52) drives with described ejection plate (51) and is connected.
11. closed type centrifugal pump vane casting devices according to claim 10, it is characterized in that, described closed type centrifugal pump vane casting device also comprises pedestal (70), described pedestal (70) is arranged on the below of described bed die cavity plate (11), and described pedestal (70) has container cavity (71), described ejection drive division (52) is arranged in described container cavity (71).
12. closed type centrifugal pump vane casting devices according to claim 11, it is characterized in that, described ejection part (50) also comprises Buffer Unit, described Buffer Unit is arranged in described container cavity (71), and between the described Buffer Unit below that is connected to described ejection plate (51) and described pedestal (70).
13. closed type centrifugal pump vane casting devices according to claim 12, it is characterized in that, described Buffer Unit also comprises:
Spring stem (53), described spring stem (53) is arranged in the described container cavity (71) between described ejection plate (51) and described pedestal (70);
Buffer spring (54), buffer spring (54) is set on described spring stem (53).
14. closed type centrifugal pump vane casting devices according to claim 10, it is characterized in that, described ejection part (50) also comprises transmission push pedal (55), and described ejection drive division (52) to be driven with described ejection plate (51) by described transmission push pedal (55) and is connected.
15. closed type centrifugal pump vane casting devices according to claim 14, it is characterized in that, described ejection plate (51) is for multiple, described bed die cavity plate (11) is arranged at intervals with and multiplely dodges hole, dodge the equal correspondence in hole place described in each and be provided with a described ejection plate (51), described transmission push pedal (55) is connected with described ejection plate (51).
16. closed type centrifugal pump vane casting devices according to claim 11, it is characterized in that, described closed type centrifugal pump vane casting device also comprises handle (90), and described handle (90) is connected with described pedestal (70) and stretches out to the side away from described pedestal (70).
17. closed type centrifugal pump vane casting devices according to claim 1, it is characterized in that, described closed type centrifugal pump vane casting device also comprises material injection nozzle (91), described backform portion (20) has material hole (21), described material hole (21) is communicated with described die cavity (30), and described material injection nozzle (91) is arranged on described material hole (21) place.
18. closed type centrifugal pump vane casting devices according to claim 4, it is characterized in that, described backform portion (20) comprises backform assembly (22), described backform assembly (22) is arranged on described bed die cavity plate (11), and forming described die cavity (30) between described backform assembly (22) and described bed die cavity plate (11), one end towards described bed die cavity plate (11) of described backform assembly (22) has the dentalation (23) with described locating slot (82) grafting.
19. closed type centrifugal pump vane casting devices according to claim 2, it is characterized in that, described backform portion (20) comprises backform assembly (22), and described backform assembly (22) has multiple points of backforms, multiple described point of backform circumferentially spicing forming type successively.
20. closed type centrifugal pump vane casting devices according to claim 19, is characterized in that, described backform portion (20) also comprises:
Backform assembly (22), described backform assembly (22) is arranged on described bed die cavity plate (11), and forms described die cavity (30) between described backform assembly (22) and described bed die cavity plate (11);
Locked mode frame (24), described locked mode frame (24) is set in the outside of described backform assembly (22) to be located by multiple described point backform.
21. closed type centrifugal pump vane casting devices according to claim 20, it is characterized in that, described backform portion (20) also comprises pressing plate (25), and described pressing plate (25) be located in the top of described locked mode frame (24).
22., according to claim 18 to the closed type centrifugal pump vane casting device according to any one of 21, is characterized in that, the outer peripheral face of described backform assembly (22) is taper cambered surface.
23. according to claim 18 to the closed type centrifugal pump vane casting device according to any one of 21, it is characterized in that, described backform portion (20) also comprises lug (26), and described lug (26) is arranged on the outer peripheral face of described backform assembly (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799478.5A CN104475689B (en) | 2014-12-19 | 2014-12-19 | Closed type centrifugal impeller wax pattern shaped device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799478.5A CN104475689B (en) | 2014-12-19 | 2014-12-19 | Closed type centrifugal impeller wax pattern shaped device |
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| Publication Number | Publication Date |
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| CN104475689A true CN104475689A (en) | 2015-04-01 |
| CN104475689B CN104475689B (en) | 2016-08-24 |
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| CN201410799478.5A Active CN104475689B (en) | 2014-12-19 | 2014-12-19 | Closed type centrifugal impeller wax pattern shaped device |
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| CN (1) | CN104475689B (en) |
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| CN107243596A (en) * | 2017-05-10 | 2017-10-13 | 株洲中航动力精密铸造有限公司 | Wax mold and method for manufacturing wax membrane for shrouded centrifugal impellor essence casting |
| CN107297453A (en) * | 2017-05-10 | 2017-10-27 | 株洲中航动力精密铸造有限公司 | Method for manufacturing wax membrane for shrouded centrifugal impellor |
| CN107931521A (en) * | 2017-10-09 | 2018-04-20 | 株洲中航动力精密铸造有限公司 | Wax-pattern positioner and wax-pattern assembling method for flanged disk casting |
| CN108466396A (en) * | 2018-05-30 | 2018-08-31 | 安徽凯特泵业有限公司 | The molding die of impeller |
| CN108817315A (en) * | 2018-07-06 | 2018-11-16 | 西安航天发动机有限公司 | A kind of forming method of split type water-soluble core combined shaping double shrouded wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243596A (en) * | 2017-05-10 | 2017-10-13 | 株洲中航动力精密铸造有限公司 | Wax mold and method for manufacturing wax membrane for shrouded centrifugal impellor essence casting |
| CN107297453A (en) * | 2017-05-10 | 2017-10-27 | 株洲中航动力精密铸造有限公司 | Method for manufacturing wax membrane for shrouded centrifugal impellor |
| CN107243596B (en) * | 2017-05-10 | 2019-08-06 | 中国航发南方工业有限公司 | Wax mold and method for manufacturing wax membrane for shrouded centrifugal impellor essence casting |
| CN107297453B (en) * | 2017-05-10 | 2020-07-21 | 中国航发南方工业有限公司 | Wax mould manufacturing method for closed centrifugal impeller |
| CN107931521A (en) * | 2017-10-09 | 2018-04-20 | 株洲中航动力精密铸造有限公司 | Wax-pattern positioner and wax-pattern assembling method for flanged disk casting |
| CN107931521B (en) * | 2017-10-09 | 2020-01-10 | 中国航发南方工业有限公司 | Wax mold positioning device for casting with flange plate and wax mold assembling method |
| CN108466396A (en) * | 2018-05-30 | 2018-08-31 | 安徽凯特泵业有限公司 | The molding die of impeller |
| CN108466396B (en) * | 2018-05-30 | 2023-09-22 | 安徽凯特泵业有限公司 | Forming die of impeller |
| CN108817315A (en) * | 2018-07-06 | 2018-11-16 | 西安航天发动机有限公司 | A kind of forming method of split type water-soluble core combined shaping double shrouded wheel |
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| CN104475689B (en) | 2016-08-24 |
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