CN210174095U

CN210174095U - Die capable of producing integrated injection molding impeller and integrated impeller

Info

Publication number: CN210174095U
Application number: CN201920790780.2U
Authority: CN
Inventors: Yu Zhang; 张宇; Binghe Wang; 王炳和
Original assignee: Taicang Yuge Mingye Environmental Protection Equipment Co Ltd
Current assignee: Taicang Yuge Mingye Environmental Protection Equipment Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-24
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a can produce mould of integrative injection moulding impeller, includes cover half fixed plate, die cavity, core fixed bolster, a set of first ejector pin, ejector pin board, movable mould fixed plate, runner cover, fastener, plug, centering ring and a set of second ejector pin, but injection moulding impeller in the core. An integrally formed impeller includes a front disk, a set of blades, and a back disk. Can produce mould of integrative injection moulding impeller, through the mould of cooperation integrated into one piece's impeller design, can be through the ejector pin of three different lengths of group, at mould die sinking in-process, the surface of roof pressure impeller to make the impeller be in the same direction as the drawing of patterns, make integrative injection moulding become possible. In addition, the integrally formed impeller is designed by reducing the section of the rear disc, so that the extending end part of the blade extends out of the rear disc, and the product can be smoothly demoulded during integral injection molding, and the smooth generation of the product is ensured.

Description

Die capable of producing integrated injection molding impeller and integrated impeller

Technical Field

The utility model belongs to environmental protection equipment production field specifically, relates to a mould and integrated into one piece's impeller of can producing integrative injection moulding impeller.

Background

At present, the living standard of people in society is continuously improved, and the national environmental protection department mostly treats toxic and harmful gases and waste water generated by various production factories. In this process, a large number of waste gas and water purification apparatuses are required. In the process of treating toxic and harmful gases and waste water, one process is to convey corrosive gases. The fan is required to have a corrosion-resistant fan, and the main part of the fan is an impeller which mainly comprises an impeller body, blades, a top cover and a shaft sleeve. The length of the blades is close to that of the impeller body, and after the blades are used for a period of time, as a plurality of corrosive substances contained in some conveyed air are easily corroded by corrosive gas at the connecting part of the impeller, the total pressure efficiency of the fan is low; meanwhile, in the prior art, after the impeller is connected with the motor through the coupler, the impeller is generally disassembled by a special tool, so that the disassembly difficulty is high. Based on the problems, an injection mold for one-step molding is provided, but most of the existing molds are formed by upper and lower molds in a matched die pressing mode, so that one-step molding processing of the impeller cannot be completed, and a mold with a new structure is required to meet processing requirements.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a can produce mould of integrative injection moulding impeller and solve the integrative injection moulding's of impeller problem, improved the quality of impeller product simultaneously.

The technical scheme is as follows: the utility model provides a mould capable of producing an integrated injection molding impeller, which comprises a fixed mould fixing plate, a cavity, a core fixing backing plate, a group of first ejector rods, an ejector rod plate, a movable mould fixing plate, a sprue bush, a clamping part, a core rod, a centering ring and a group of second ejector rods, wherein the fixed mould fixing plate, the core fixing backing plate, the ejector rod plate and the movable mould fixing plate are arranged in sequence from top to bottom, the lower end parts of the group of first ejector rods and the group of second ejector rods are arranged on the ejector rod plate, the upper end parts of the group of first ejector rods are positioned in the core fixing backing plate, the upper end parts of the group of first ejector rods can extend out of the core fixing backing plate and are positioned in the core, the upper end parts of the group of second ejector rods extend out of the core fixing backing plate, the upper end parts of the group of second ejector rods can be attached to a molding product in the cavity, and the cavity, and the cavity is positioned above the core, the centering ring is arranged on the fixed die fixing plate and the cavity, the lower end part of the centering ring is positioned in the core, the sprue bush is arranged in the core, the upper end part of the sprue bush is connected with the centering ring, the core rod is arranged in the core fixing base plate, the lower end part of the clamping piece is arranged in the core fixing base plate, the clamping piece is positioned above the core rod, and the impeller can be injection molded in the core.

Further, the mold for producing the integral injection molding impeller is characterized in that the core fixing base plate is provided with a first groove, the clamping piece is arranged in the first groove, and a gap is formed between the outer wall of the clamping piece and the inner wall of the first groove.

Further, in the above mold for producing an integral injection molded impeller, the movable mold fixing plate is provided with a set of mold legs, the mold legs are internally provided with guide pillars, the lower ends of the guide pillars are arranged in the mold legs, and the upper ends of the guide pillars can penetrate through the core fixing base plate and be arranged in the cavity.

Further, in the above mold for producing the integral injection molding impeller, the ejector plate is provided with a group of third ejector rods, the upper ends of the group of third ejector rods are arranged in the core fixing backing plate, and the upper ends of the group of third ejector rods can extend into the core.

The utility model also provides an integrated into one piece's impeller, including front bezel, a set of blade and back plate, the cross-section of front bezel is ring shape, the cross-section of back plate is circular, the centre of a circle of front bezel and the centre of a circle of back plate are in on the same axis, a set of blade sets up between front bezel and back plate with annular array's mode, the radial place cross-section of back plate is stretched out to the outward flange that a set of blade is close to the back plate terminal surface, front bezel, a set of blade and back plate are through once injection moulding integrated into one piece, still including the mould that can produce integrative injection moulding impeller, can carry out moulding plastics of impeller in the type core.

Further, in the integrally formed impeller, a group of auxiliary blades are arranged on the end surface of the rear disc far away from the blades, and the group of auxiliary blades are arranged on the rear disc in an annular array manner.

Further, in the above integrally formed impeller, the set of blades and the set of auxiliary blades are both arc-shaped plates.

Further, in the integrally formed impeller, the cross section of the front disc is arc-shaped, a group of first reinforcing ribs is arranged on the end face, away from the group of blades, of the front disc, the diameters of the group of first reinforcing ribs are different, the cross section of the group of first reinforcing ribs is circular, the group of first reinforcing ribs is concentric, and the circle center of the group of first reinforcing ribs and the circle center of the front disc are located on the same axis.

Further, in the integrally formed impeller, the end face of the rear disc provided with the group of blades is provided with the group of second reinforcing ribs, the diameters of the group of second reinforcing ribs are different, the cross sections of the group of second reinforcing ribs are circular, the group of second reinforcing ribs are concentric, and the circle centers of the group of second reinforcing ribs and the circle center of the rear disc are located on the same axis.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: can produce mould of integrative injection moulding impeller, through the mould of cooperation integrated into one piece's impeller design, can be through the ejector pin of three different lengths of group, at mould die sinking in-process, the surface of roof pressure impeller to make the impeller be in the same direction as the drawing of patterns, make integrative injection moulding become possible. In addition, the integrally formed impeller is simple and reasonable in structure, convenient to use, low in application cost and good in adaptability, the extending end parts of the blades extend out of the rear disc through the design of reducing the section of the rear disc, so that the demolding of a product can be smoothly carried out during integral injection molding, the smooth generation of the product is ensured, and the impeller is optimized in structure, high in production efficiency, high in mechanical strength, high in efficiency, energy-saving and power-saving; the coupler is made of alloy aluminum, so that the coupler cannot be seized with a motor, and the coupler is additionally provided with a replacer, is convenient to overhaul and maintain and has high popularization value.

Drawings

FIG. 1 is a cross-sectional view of the mold for producing an integral injection molded impeller according to the present invention;

FIG. 2 is a top view of the present invention taken along the line A in FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

fig. 4 is a schematic structural view of the integrally formed impeller of the present invention in application;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 1;

fig. 6 is a first schematic structural view of the integrally formed impeller of the present invention;

fig. 7 is a schematic structural view of the integrally formed impeller of the present invention;

fig. 8 is a cross-sectional view of the integrally formed impeller of the present invention;

fig. 9 is a top view of the integrally formed impeller of the present invention;

fig. 10 is a bottom view of the integrally formed impeller of the present invention;

fig. 11 is a schematic structural view of the replacer of the present invention;

figure 12 is a cross-sectional view of the replacer of the invention;

fig. 13 is a schematic structural view of the coupling body according to the present invention;

fig. 14 is a cross-sectional view of the coupling body of the present invention;

fig. 15 is a schematic structural view of the sealing cap of the present invention.

In the figure: the fixed die fixing plate 201, the die cavity 202, the core 203, the core fixing base plate 204, the first ejector rod 205, the ejector rod plate 206, the movable die fixing plate 207, the sprue bush 208, the clamping piece 209, the core rod 210, the centering ring 211, the second ejector rod 212, the first groove 213, the gap 214, the die leg 215, the guide pillar 216, the third ejector rod 217, the front disc 1, the blade 2, the rear disc 3, the auxiliary blade 4, the reinforcing rib I5, the reinforcing rib II 6, the shaft sleeve 7, the coupling 8, the coupling body 81, the replacer 82, the internal thread hole 821, the sealing cap 83, the sealing cap body 831, the bolt 832 and the motor 10.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The impeller integrally formed as shown in fig. 1 to 3 includes a fixed die fixing plate 201, a cavity 202, a core 203, a core fixing backing plate 204, a set of first ejector pins 205, an ejector pin plate 206, a moving die fixing plate 207, a sprue bush 208, an ejector pin 209, a core rod 210, a centering ring 211, and a set of second ejector pins 212, the fixed die fixing plate 201, the core fixing backing plate 204, the ejector pin plate 206, and the moving die fixing plate 207 are arranged in this order from top to bottom, lower end portions of the set of first ejector pins 205 and the set of second ejector pins 212 are arranged on the ejector pin plate 206, upper end portions of the set of first ejector pins 205 are positioned in the core fixing backing plate 204, and upper end portions of the set of first ejector pins 205 are protruded from the core fixing backing plate 204 to be positioned in the core 203, upper end portions of the set of second ejector pins 212 are protruded from the core fixing backing plate 204, and upper end portions of the set of second ejector pins 212 are attached, the cavity 202 and the core 203 are positioned between the fixed die fixing plate 201 and the core fixing backing plate 204, the cavity 202 is positioned above the core 203, the centering ring 211 is arranged on the fixed die fixing plate 201 and the cavity 202, the lower end part of the centering ring 211 is positioned in the core 203, the sprue bush 208 is arranged in the core 203, the upper end part of the sprue bush 208 is connected with the centering ring 211, the core rod 210 is arranged in the core fixing backing plate 204, the lower end part of the clamping piece 209 is arranged in the core fixing backing plate 204, the clamping piece 209 is positioned above the core rod 210, and the impeller can be molded in the core 203 by injection molding. The core fixing backing plate 204 is provided with a first groove 213, the clamping piece 209 is arranged in the first groove 213, and a gap 214 is arranged between the outer wall of the clamping piece 209 and the inner wall of the first groove 213. The movable mold fixing plate 207 is provided with a set of mold legs 215, guide posts 216 are provided in the mold legs 215, the lower ends of the guide posts 216 are disposed in the mold legs 215, and the upper ends of the guide posts 216 are disposed in the cavity 202 through the core fixing plate 204. The ejector plate 206 is provided with a group of third ejector pins 217, the upper ends of the group of third ejector pins 217 are arranged in the core fixing backing plate 204, and the upper ends of the group of third ejector pins 217 can extend into the core 203.

Example two

The impeller integrally formed as shown in fig. 4 to 10 includes a front disk 1, a group of blades 2 and a rear disk 3, the cross section of the front disk 1 is circular, the cross section of the rear disk 3 is circular, the circle center of the front disk 1 and the circle center of the rear disk 3 are on the same axis, the group of blades 2 are arranged between the front disk 1 and the rear disk 3 in an annular array manner, the outer edge of the group of blades 2 near the end surface of the rear disk 3 extends out of the radial cross section of the rear disk 3, and the front disk 1, the group of blades 2 and the rear disk 3 are integrally formed by one-step injection molding. Wherein, the end surface of the back disk 3 far away from the blades 2 is provided with a group of auxiliary blades 4, and the group of auxiliary blades 4 are arranged on the back disk 3 in an annular array mode. And, a set of blades 2 and a set of auxiliary blades 4 are both arc-shaped plates. In addition, the cross-section of the front disc 1 is arc-shaped, a group of reinforcing ribs I5 are arranged on the end face, far away from the group of blades 2, of the front disc 1, the diameters of the group of reinforcing ribs I5 are different, the cross-section of the group of reinforcing ribs I5 is circular, the group of reinforcing ribs I5 are concentric, and the circle center of the group of reinforcing ribs I5 and the circle center of the front disc 1 are located on the same axis. In addition, the end face, provided with the group of blades 2, of the rear disc 3 is provided with a group of second reinforcing ribs 6, the diameters of the group of second reinforcing ribs 6 are different, the cross sections of the group of second reinforcing ribs 6 are circular, the group of second reinforcing ribs 6 are concentric, and the circle centers of the group of second reinforcing ribs 6 and the circle center of the rear disc 3 are located on the same axis. The impeller of this structure for the tip edge that a set of blade 2 is close to back plate 3 stretches out back plate 3 owing to reduced the sectional area of back plate 3, consequently can adopt integrated into one piece's injection moulding technique to carry out the production of impeller, and this structure has reduced the resistance in the drawing of patterns process, can follow the interior smooth deviating from of mould benevolence with the product.

EXAMPLE III

As shown in fig. 11-15, a shaft sleeve 7 is disposed at the middle position of the rear disk 3, the cross section of the shaft sleeve 7 is circular, the shaft sleeve 7 extends in a direction away from the group of blades 2, and a coupling 8 is disposed in the shaft sleeve 7. Specific shaft coupling 8 includes shaft coupling body 81, replacer 82 and closing cap 83, the outside of replacer 82 is equipped with the external screw thread to the inside intermediate position of replacer 82 is equipped with internal thread hole 821, shaft coupling body 81 is fixed to be set up on the inner wall of axle sleeve 7, replacer 82 passes through external screw thread and shaft coupling body 81 internal wall connection, and replacer 82 is located shaft coupling body 81 and is close to the one end of back dish 3, closing cap 83 and internal thread hole 821 threaded connection to closing cap 83 covers the one end of establishing at shaft coupling body 81 and being close to back dish 3. A seal ring 84 is provided between the cap 83 and the end surface of the coupling body 81. Furthermore, the end face of the detacher 82 near the rear plate 3 is symmetrically provided with a first groove 822. In addition, the sealing cap 83 includes a sealing cap body 831 and a bolt 832, a head of the bolt 832 is fixedly disposed in the sealing cap body 831, the sealing cap body 831 covers an end of the coupling body 81 close to the rear disc 3, and the bolt 832 is connectable with a rotation shaft of a motor driving the impeller to rotate. Because replacer 82 and shaft coupling body 81 threaded connection, consequently block two first recess 822 of symmetry setting through the jack catch instrument, can become flexible replacer 82, dismantle replacer 82 smoothly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A mould capable of producing an integrated injection molding impeller is characterized in that: the die comprises a fixed die fixing plate (201), a die cavity (202), a die core (203), a die core fixing base plate (204), a group of first ejector rods (205), an ejector rod plate (206), a movable die fixing plate (207), a sprue bush (208), a clamping piece (209), a core rod (210), a centering ring (211) and a group of second ejector rods (212), wherein the fixed die fixing plate (201), the die core fixing base plate (204), the ejector rod plate (206) and the movable die fixing plate (207) are sequentially arranged from top to bottom, the lower end parts of the group of first ejector rods (205) and the group of second ejector rods (212) are arranged on the ejector rod plate (206), the upper end part of the group of first ejector rods (205) is positioned in the die core fixing base plate (204), the upper end part of the group of first ejector rods (205) can extend out of the die core fixing base plate (204) and is positioned in the die core (203), and the upper end part of the group of second ejector rods (212), and the upper end part of a group of second ejector rods (212) can be attached to a plastic injection product in the cavity (202), the cavity (202) and the core (203) are positioned between the fixed die fixing plate (201) and the core fixing cushion plate (204), the cavity (202) is positioned above the core (203), the centering ring (211) is arranged on the fixed die fixing plate (201) and the cavity (202), the lower end part of the centering ring (211) is positioned in the core (203), the sprue bush (208) is arranged in the core (203), the upper end part of the sprue bush (208) is connected with the centering ring (211), the core rod (210) is arranged in the core fixing cushion plate (204), the lower end part of the clamping piece (209) is arranged in the core fixing cushion plate (204), the clamping piece (209) is positioned above the core rod (210), and an impeller can be injected and molded in the core (203).

2. The mold for producing an integrally injection-molded impeller according to claim 1, wherein: the core fixing base plate (204) is provided with a first groove (213), the clamping piece (209) is arranged in the first groove (213), and a gap (214) is arranged between the outer wall of the clamping piece (209) and the inner wall of the first groove (213).

3. The mold for producing an integrally injection-molded impeller according to claim 1, wherein: the die core fixing device is characterized in that a group of die legs (215) are arranged on the movable die fixing plate (207), guide columns (216) are arranged in the die legs (215), the lower ends of the guide columns (216) are arranged in the die legs (215), and the upper ends of the guide columns (216) can penetrate through the die core fixing base plate (204) to be arranged in the die cavity (202).

4. The mold for producing an integrally injection-molded impeller according to claim 1, wherein: a group of third ejector rods (217) is arranged on the ejector rod plate (206), the upper ends of the group of third ejector rods (217) are arranged in the mold core fixing base plate (204), and the upper ends of the group of third ejector rods (217) can extend into the mold core (203).

5. The utility model provides an integrated into one piece's impeller, includes preceding dish (1), a set of blade (2) and back plate (3), the cross-section of preceding dish (1) is ring shape, the cross-section of back plate (3) is circular, the centre of a circle of preceding dish (1) and the centre of a circle of back plate (3) are in same axis, a set of blade (2) set up in the front between dish (1) and back plate (3) with annular array's mode, the outward flange that a set of blade (2) are close to back plate (3) terminal surface stretches out the radial place cross-section of back plate (3), preceding dish (1), a set of blade (2) and back plate (3) are through once injection moulding integrated into one piece, its characterized in that: further comprising a mold for producing an integrally injection molded impeller according to claim 1, wherein the impeller is injection molded in the core (203).

6. The integrally formed impeller of claim 5, wherein: the end face, far away from the blades (2), of the rear disc (3) is provided with a group of auxiliary blades (4), and the group of auxiliary blades (4) are arranged on the rear disc (3) in an annular array mode.

7. The integrally formed impeller of claim 6, wherein: the group of blades (2) and the group of auxiliary blades (4) are both arc-shaped plates.

8. The integrally formed impeller of claim 5, wherein: the cross-section of preceding dish (1) is the arc, preceding dish (1) is kept away from and is equipped with a set of strengthening rib (5) on the terminal surface of a set of blade (2), the diameter size of a set of strengthening rib (5) all is different, the cross-section of a set of strengthening rib (5) is circular to a set of strengthening rib (5) are concentric, the centre of a circle of a set of strengthening rib (5) is in on the same axis with the centre of a circle of preceding dish (1).

9. The integrally formed impeller of claim 5, wherein: the end face of the rear disc (3) provided with the group of blades (2) is provided with a group of second reinforcing ribs (6), the diameters of the group of second reinforcing ribs (6) are different, the cross sections of the group of second reinforcing ribs (6) are circular, the group of second reinforcing ribs (6) are concentric, and the circle centers of the group of second reinforcing ribs (6) and the circle center of the rear disc (3) are on the same axis.