CN213195589U

CN213195589U - Metal mold pressing device for impeller casting

Info

Publication number: CN213195589U
Application number: CN202021330347.XU
Authority: CN
Inventors: 刘锦锋
Original assignee: Nanjing Hongxin Fan Technology Co ltd
Current assignee: Nanjing Hongxin Fan Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-05-14
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a metal mold compression fittings is used in impeller casting, include, bottom plate, roof, pole setting, first hydraulic stem, cope match-plate pattern, reference column, loading board, lower bolster, mold core, spout, pinion rack, connecting rod, landing leg, recess, connecting plate, ejector pin, fixed plate, second hydraulic stem, extension board, limiting plate, motor and gear. The utility model discloses simple structure, convenient operation realizes the pressfitting between cope match-plate pattern and the lower bolster through compressing tightly by the hydraulic stem to through the removal of limiting plate can further improve the compactness of contact between cope match-plate pattern and the lower bolster, improve the leakproofness of connecting between the template, guarantee going on smoothly of impeller casting; the utility model discloses a removal of ejector pin realizes ejecting of mould to the removal through the extension board conveniently realizes pressing from both sides tightly of the model after the casting is accomplished, conveniently realizes taking out of model, improves the operation convenience.

Description

Metal mold pressing device for impeller casting

Technical Field

The utility model relates to a compression fittings specifically is a metal mold compression fittings for impeller casting belongs to impeller casting application technical field.

Background

The impeller refers to a wheel disc provided with movable blades, is a component of an impulse steam turbine rotor, and also refers to a general name of the wheel disc and the movable blades arranged on the wheel disc, the impeller can be classified according to the shape and the opening and closing conditions, the centrifugal pump impeller mainly comprises a closed type impeller, a front half open type impeller, a rear half open type impeller and an open type impeller, and comprises an impeller, a rear cover plate, a hub, a front cover plate, an impeller sealing ring and reinforcing ribs, and the closed type impeller consists of the blades, the front cover plate and the rear cover plate. The closed impeller has high efficiency and high manufacturing difficulty, is most applied to a centrifugal pump, and is suitable for conveying clean water, solution and other cleaning liquid with low viscosity and without particles; semi-open impellers generally have two configurations: the impeller is low in efficiency and needs to be provided with a sealing ring with an adjustable gap for improving the efficiency; the other is a rear half-open type which consists of a front cover plate and blades, the efficiency is basically the same as that of a closed impeller because a sealing ring which is the same as that of the closed impeller can be applied, and the blades have a sealing effect except for conveying liquid.

The impeller is a rotatable rotor arranged in the pump and is composed of blades and the like, the impeller is mainly formed by pouring and machine tool machining, for the casting of an impeller metal mold, the metal mold is formed by splicing two molds, the pressing is not facilitated during mold closing, the problem of sealing reduction possibly caused by lower pressing tightness is solved, and the rapid taking-out of a model is not facilitated after casting is completed, so that the operation is inconvenient. Therefore, a metal mold pressing device for casting an impeller is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal mold compression fittings is used in impeller casting just in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, a metal mold pressing device for impeller casting, which comprises a top plate positioned at the top of a bottom plate, a pressing mechanism and an ejection mechanism; the pressing mechanism comprises a first hydraulic rod and a fixed plate, the first hydraulic rod is fixedly connected with the bottom of the top plate, the end part of the first hydraulic rod is fixedly connected with the upper template, the upper template is connected with the positioning column in a penetrating manner, the positioning column is fixedly connected with the top surface of the bearing plate, the top surface of the bearing plate is fixedly provided with a lower template, a mold core is arranged inside the lower template, the fixed plate is fixedly connected with the upper template, the side wall of the fixed plate is fixedly connected with a second hydraulic rod, and the second hydraulic rod is fixedly connected with the limiting plate through an extension plate; the ejection mechanism comprises a vertical rod and an ejector rod, the vertical rod is fixedly connected with the bottom plate and the top plate, the side wall of the vertical rod is provided with a sliding groove, the sliding groove is internally connected with the toothed plate in a sliding mode, the bottom end of the toothed plate is fixedly connected with a connecting rod, the end portion of the connecting rod is connected with the side wall of the landing leg in a sliding mode, the connecting rod is fixedly connected with the top surface of the connecting plate, and the ejector rod is fixedly connected with the top surface of. Preferably, be equipped with six poles setting between bottom plate and the roof, the spout has all been seted up to two poles settings that are located the middle part, and the inside pinion rack of spout and the inside through-hole through connection that the bottom plate was seted up. Preferably, the number of the positioning columns is four, the four positioning columns are respectively located around the edge of the bearing plate, and the four positioning columns are fixedly connected with the top plate. Preferably, the periphery of the upper template is connected with the positioning columns in a sliding mode, the middle of the top surface of the upper template is provided with a fixing plate, and two second hydraulic rods are arranged on two sides of the fixing plate respectively. Preferably, the upper template and the lower template are attached to each other and connected, the lower template, the mold core inside the lower template and the bottom plate are all in through connection with the ejector rod, and the ejector rod extends to the top of the lower template. Preferably, the number of the limiting plates is two, the two limiting plates are both in a trapezoidal structure, and the end parts of the two limiting plates are respectively inserted into the openings formed in the two side walls of the lower template. Preferably, the bottom of the bottom plate is fixedly connected with the two support legs, the inner wall of each support leg is provided with a groove, the two grooves are symmetrically distributed, and the two connecting rods located inside the grooves are located on two sides of the connecting plate respectively. Preferably, the number of the motors is two, the two motors are respectively positioned on two sides of the bottom plate, and the gear at the output end of each motor is meshed with the toothed plate. Preferably, the top surface of the connecting plate is fixedly connected with four ejector rods, the four ejector rods are respectively positioned around the connecting plate, and each ejector rod extends into the mold core. Preferably, the number of the first hydraulic rods is four, the four first hydraulic rods are respectively located around the top plate and the upper die plate, and a pouring opening is formed in the top of the upper die plate.

The utility model has the advantages that:

1. the utility model discloses simple structure, convenient operation realizes the pressfitting between cope match-plate pattern and the lower bolster through compressing tightly by the hydraulic stem to through the removal of limiting plate can further improve the compactness of contact between cope match-plate pattern and the lower bolster, improve the leakproofness of connecting between the template, guarantee going on smoothly of impeller casting;

2. the utility model discloses a removal of ejector pin realizes ejecting of mould to the removal through the extension board conveniently realizes pressing from both sides tightly of the model after the casting is accomplished, conveniently realizes taking out of model, improves the operation convenience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the top view structure of the upper plate of the present invention.

In the figure: 1. bottom plate, 2, roof, 3, pole setting, 4, first hydraulic stem, 5, cope match-plate pattern, 6, reference column, 7, loading board, 8, lower bolster, 9, mold core, 10, spout, 11, pinion rack, 12, connecting rod, 13, landing leg, 14, recess, 15, connecting plate, 16, ejector pin, 17, fixed plate, 18, second hydraulic stem, 19, extension board, 20, limiting plate, 21, motor, 22, gear.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a metal mold pressing device for casting an impeller includes a top plate 2 located on the top of a bottom plate 1, a pressing mechanism and an ejection mechanism; the pressing mechanism comprises a first hydraulic rod 4 and a fixed plate 17, the first hydraulic rod 4 is fixedly connected with the bottom of the top plate 2, the end part of the first hydraulic rod 4 is fixedly connected with an upper template 5, the upper template 5 is in penetrating connection with a positioning column 6, the positioning column 6 is fixedly connected with the top surface of a bearing plate 7, the top surface of the bearing plate 7 is fixedly provided with a lower template 8, a mold core 9 is arranged inside the lower template 8, the fixed plate 17 is fixedly connected with the upper template 5, the side wall of the fixed plate 17 is fixedly connected with a second hydraulic rod 18, and the second hydraulic rod 18 is fixedly connected with a limiting plate 20 through an extension plate 19; ejection mechanism includes pole setting 3 and ejector pin 16, fixed connection between pole setting 3 and bottom plate 1 and the

roof

2, 10 inside and the 11 sliding connection of pinion rack of spout that 3 lateral walls of pole setting were seted up, 11 bottom and connecting rod 12 fixed connection of pinion rack, the inside sliding connection of recess 14 that 12 tip of connecting rod and 13 lateral walls of landing leg were seted up, and through connecting plate 15 fixed connection between the connecting

rod

12, 15 top surfaces of connecting plate rigid couplings have ejector pin 16. Six upright posts 3 are arranged between the bottom plate 1 and the top plate 2, sliding grooves 10 are formed in the two upright posts 3 in the middle, and toothed plates 11 in the sliding grooves 10 are in through connection with through holes formed in the bottom plate 1; the number of the positioning columns 6 is four, the four positioning columns 6 are respectively positioned around the edge of the bearing plate 7, and the four positioning columns 6 are fixedly connected with the top plate 2; the periphery of the upper template 5 is connected with the positioning columns 6 in a sliding mode, the middle of the top surface of the upper template 5 is provided with a fixing plate 17, and two sides of the fixing plate 17 are respectively provided with two second hydraulic rods 18; the upper template 5 and the lower template 8 are mutually attached and connected, the lower template 8, the mold core 9 inside the lower template and the bottom plate 1 are all in through connection with the ejector rod 16, and the ejector rod 16 extends to the top of the lower template 8; the number of the limiting plates 20 is two, the two limiting plates 20 are both in a trapezoidal structure, and the end parts of the two limiting plates 20 are respectively inserted into openings formed in two side walls of the lower template 8; the bottom of the bottom plate 1 is fixedly connected with two supporting legs 13, a groove 14 is formed in the inner wall of each supporting leg 13, the two grooves 14 are symmetrically distributed, and the two connecting rods 12 positioned in the grooves 14 are respectively positioned on two sides of a connecting plate 15; the number of the motors 21 is two, the two motors 21 are respectively positioned on two sides of the bottom plate 1, and the gear 22 at the output end of each motor 21 is meshed with the toothed plate 11; the top surface of the connecting plate 15 is fixedly connected with four ejector rods 16, the four ejector rods 16 are respectively positioned around the connecting plate 15, and each ejector rod 16 extends into the mold core 9; the quantity of first hydraulic stem 4 is four, and four first hydraulic stems 4 are located roof 2 and cope match-plate pattern 5 respectively all around, and the cope match-plate pattern 5 top is equipped with pours the mouth.

The utility model discloses when using, at first with electrical components external power supply and control switch in the device, connect the back to compress tightly lower bolster 8 when driving cope match-plate pattern 5 to move through the extension of first hydraulic stem 4, realize the steady removal of cope match-plate pattern 5 through reference column 6 on loading board 7, after the pressfitting is accomplished, through the shortening of second hydraulic stem 18 on fixed plate 17 drive extension board 19 lateral shifting, extension board 19 drives limiting plate 20 and moves to the opening inside that lower bolster 8 both sides were seted up, when the inclined plane through limiting plate 20 contacts lower bolster 8, further improve the compactness between cope match-plate pattern 5 and the lower bolster 8, realize pouring through the pouring mouth of cope match-plate pattern 5 and shape, make the impeller shape shaping through mold core 9;

after processing is accomplished, extension through second hydraulic stem 18 drives limiting plate 20 and the separation of lower bolster 8, shorten through first hydraulic stem 4 on roof 2 and drive cope match-plate pattern 5 and the separation of lower bolster 8, work through motor 21 drives gear 22 and rotates again, make gear 22 drive pinion rack 11 when the spout 10 of middle part pole setting 3 is inside to slide, pinion rack 11 drives connecting rod 12 at the recess 14 inside removal of landing leg 13, drive connecting plate 15 steady movement, and then ejecting the model when driving 16 vertical movements of ejector pin, when making the model be located between two limiting plates 20, it moves limiting plate 20 and removes to press from both sides the model tightly to continue to shorten through second hydraulic stem 18, realize taking out fast of model through the shortening of first hydraulic stem 4, and the operation is improved, and the impeller model is favorable to taking out.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a metal mold compression fittings is used in impeller casting which characterized in that: comprises a top plate (2) positioned at the top of a bottom plate (1), a pressing mechanism and an ejection mechanism;

the pressing mechanism comprises a first hydraulic rod (4) and a fixing plate (17), the first hydraulic rod (4) is fixedly connected with the bottom of the top plate (2), the end part of the first hydraulic rod (4) is fixedly connected with the upper template (5), the upper template (5) is in penetrating connection with the positioning column (6), the positioning column (6) is fixedly connected with the top surface of the bearing plate (7), the top surface of the bearing plate (7) is fixedly provided with the lower template (8), a mold core (9) is arranged inside the lower template (8), the fixing plate (17) is fixedly connected with the upper template (5), the side wall of the fixing plate (17) is fixedly connected with a second hydraulic rod (18), and the second hydraulic rod (18) is fixedly connected with the limiting plate (20) through an extension plate (19);

ejection mechanism includes pole setting (3), motor (21) and ejector pin (16), fixed connection between pole setting (3) and bottom plate (1) and roof (2), inside and pinion rack (11) sliding connection of spout (10) that pole setting (3) lateral wall was seted up, pinion rack (11) bottom and connecting rod (12) fixed connection, recess (14) inside sliding connection that connecting rod (12) tip and landing leg (13) lateral wall were seted up, and through connecting plate (15) fixed connection between connecting rod (12), connecting plate (15) top surface rigid coupling has ejector pin (16).

2. The metal mold press-fitting device for impeller casting according to claim 1, wherein: six vertical rods (3) are arranged between the bottom plate (1) and the top plate (2), sliding grooves (10) are formed in the two vertical rods (3) located in the middle, and the toothed plates (11) inside the sliding grooves (10) are connected with the through holes formed in the bottom plate (1) in a penetrating mode.

3. The metal mold press-fitting device for impeller casting according to claim 1, wherein: the number of the positioning columns (6) is four, the four positioning columns (6) are respectively located on the periphery of the edge of the bearing plate (7), and the four positioning columns (6) are fixedly connected with the top plate (2).

4. The metal mold press-fitting device for impeller casting according to claim 1, wherein: the periphery of the upper template (5) is connected with the positioning columns (6) in a sliding mode, the middle of the top surface of the upper template (5) is provided with a fixing plate (17), and two second hydraulic rods (18) are arranged on two sides of the fixing plate (17) respectively.

5. The metal mold press-fitting device for impeller casting according to claim 1, wherein: the upper die plate (5) and the lower die plate (8) are attached to each other and connected, the lower die plate (8), the die core (9) inside the lower die plate and the bottom plate (1) are all in through connection with the ejector rod (16), and the ejector rod (16) extends to the top of the lower die plate (8).

6. The metal mold press-fitting device for impeller casting according to claim 1, wherein: the number of the limiting plates (20) is two, the two limiting plates (20) are both in a trapezoidal structure, and the end parts of the two limiting plates (20) are respectively inserted into the openings formed in the two side walls of the lower template (8).

7. The metal mold press-fitting device for impeller casting according to claim 1, wherein: the bottom of the bottom plate (1) is fixedly connected with the two supporting legs (13), the inner wall of each supporting leg (13) is provided with a groove (14), the two grooves (14) are symmetrically distributed, and the two connecting rods (12) located inside the grooves (14) are located on two sides of the connecting plate (15) respectively.

8. The metal mold press-fitting device for impeller casting according to claim 1, wherein: the quantity of motor (21) is two, and two motor (21) are located bottom plate (1) both sides respectively, and gear (22) of every motor (21) output all are connected with pinion rack (11) meshing.

9. The metal mold press-fitting device for impeller casting according to claim 1, wherein: the top surface of the connecting plate (15) is fixedly connected with four ejector rods (16), the four ejector rods (16) are respectively positioned around the connecting plate (15), and each ejector rod (16) extends into the mold core (9).

10. The metal mold press-fitting device for impeller casting according to claim 1, wherein: the number of the first hydraulic rods (4) is four, the four first hydraulic rods (4) are respectively located on the periphery of the top plate (2) and the periphery of the upper die plate (5), and a pouring opening is formed in the top of the upper die plate (5).