CN219213993U

CN219213993U - Impeller forming die

Info

Publication number: CN219213993U
Application number: CN202223333498.2U
Authority: CN
Inventors: 杨勇; 陈云; 丁洪俊
Original assignee: Jiangsu Zhongjin Precision Machinery Co ltd
Current assignee: Jiangsu Zhongjin Precision Machinery Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-20
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses an impeller forming die which comprises a die main body, a glue feeding assembly and a discharging assembly, wherein the die main body comprises a fixed die, a movable die and a die cavity at the upper end of the fixed die, and the glue feeding assembly comprises a glue feeding pipe arranged at the bottom end of the center of the die cavity. According to the impeller forming die disclosed by the utility model, the rubber inlet pipe arranged at the bottom of the die cavity in the fixed die can be used for uniformly feeding rubber into a plurality of groups of impeller blade cavities at the bottom of the die cavity in the process of injecting rubber into the die cavity, after the rubber feeding of the impeller blade cavities is completed, the movable pressing plate at the bottom of the movable die is extruded to feed rubber into the bottom plate cavity at the upper end of the impeller, so that the problem that the production quality of the impeller is influenced due to uneven rubber feeding or air holes in the rubber because of irregular shape of the impeller after the rubber feeding in the die cavity can be avoided, and the positioning sleeve and the pressure sensor at the upper end of the movable pressing plate can also be used for vertically binding and positioning the rebound position in rebound of the rebound position of the movable pressing plate, so that the use effect is optimized.

Description

Impeller forming die

Technical Field

The utility model relates to the technical field of dies, in particular to an impeller forming die.

Background

The impeller is not only a wheel disc provided with movable vanes, but also a generic name of the wheel disc and the movable vanes arranged on the wheel disc, and the whole plastic impeller is of a disc type structure.

The existing impeller forming die is mainly provided with a feeding pipe at the upper end of a fixed die so as to carry out glue feeding in the injection molding process, and the problem that air holes are formed after glue feeding in the impeller cavity is easily caused when glue feeding in a plurality of groups of blade cavities at the lower part of the impeller cavity is uniform in the glue feeding process of the impeller due to the irregular shape of the impeller is solved.

Disclosure of Invention

The utility model mainly aims to provide an impeller forming die which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an impeller forming die, includes the mould main part, advances gluey subassembly and ejection of compact subassembly, the mould main part includes cover half and movable mould to and the die cavity of cover half upper end, advance gluey subassembly and include the rubber tube that advances of die cavity center department bottom installation, and the inside mounting groove of seting up of movable mould center department, the bottom of mounting groove still movable mounting has the movable clamp plate with die cavity assorted, the upper end of movable clamp plate still fixed mounting has multiunit and movable mould swing joint's T shape post, the upper end of T shape post all overlaps and is equipped with flexible spring.

Preferably, the glue feeding assembly further comprises a plurality of groups of positioning columns fixedly mounted at the upper end of the movable pressing plate and a plurality of groups of positioning sleeves fixedly mounted at the top of the mounting groove and correspondingly sleeved with the plurality of groups of positioning columns at the lower end.

Preferably, the glue feeding assembly further comprises a pressure sensor fixedly arranged at the center of the top of the mounting groove and used for positioning the upper shift of the lower movable pressing plate.

Preferably, the discharging assembly comprises a material ejection cavity and a plurality of groups of thimble cavities respectively arranged at the center of the die cavity and at the lower ends of a plurality of arc edges, and material ejection columns and a plurality of groups of thimble respectively arranged in the material ejection cavity and the thimble cavities.

Preferably, the discharging assembly further comprises a material ejection column, a plurality of groups of fixing plates fixedly arranged at the bottoms of the ejector pins, and a plurality of groups of round holes formed in the upper ends of the fixing plates in a arrayed mode.

Preferably, the discharging assembly further comprises a plurality of groups of binding rods fixedly installed at the bottom of the fixed die and penetrating through round holes at the upper end of the fixed plate, and a cylinder installed at the bottom of the fixed plate and used for driving the binding rods.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model provides an impeller forming die, the glue inlet pipe that the die cavity bottom set up in the cover half, can be in the die cavity in-process of injecting glue into, the multiunit impeller blade chamber of die cavity bottom evenly advances glue first, after multiunit impeller blade chamber advances glue to accomplish, the movable clamp plate of extrusion movable die bottom advances glue to the bottom plate chamber of impeller upper end, this advances gluey subassembly, can avoid after advancing glue in the die cavity, because of the irregular shape of impeller, cause glue inhomogeneous or glue contain the problem that the gas pocket influences the impeller production quality in the colloid, and positioning sleeve and the pressure sensor of movable clamp plate upper end also can be for the rebound position of movable clamp plate vertical constraint in the resilience and the location of resilience position, optimize its result of use;

2. the utility model provides an impeller forming die, the ejection of compact subassembly of cover half bottom also can solve this and advance the inconvenient problem of gluing the subassembly and cause the impeller demolding to through ejector pin and multiunit thimble from die cavity central authorities and many blade bottoms, keep the impeller after the upper end shaping to carry out the ejector pin under the even circumstances of atress.

Drawings

FIG. 1 is a schematic view of the overall structure of an impeller forming mold according to the present utility model;

FIG. 2 is a side cross-sectional view of an impeller forming mold of the present utility model;

FIG. 3 is a view showing an internal construction of an impeller forming mold mounting groove according to the present utility model;

FIG. 4 is an enlarged view of the impeller forming mold of FIG. 1A according to the present utility model;

fig. 5 is an enlarged view of B in fig. 2 of an impeller forming mold according to the present utility model.

Reference numerals:

100. a mold body; 110. a fixed mold; 120. a movable mold; 130. a mold cavity;

200. a glue feeding assembly; 210. a rubber inlet pipe; 220. a mounting groove; 230. a movable pressing plate; 240. a T-shaped column; 250. a flexible spring; 260. positioning columns; 270. positioning a sleeve; 280. a pressure sensor;

300. a discharge assembly; 310. a material ejection cavity; 320. a thimble cavity; 330. a material ejection column; 340. a thimble; 350. a fixing plate; 360. a round hole; 370. a tie-down bar; 380. and (3) a cylinder.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Embodiment one:

as shown in fig. 1-3, the present embodiment provides an impeller forming mold, including a mold main body 100, a glue feeding assembly 200 and a discharge assembly 300, the mold main body 100 includes a fixed mold 110 and a movable mold 120, and a mold cavity 130 at the upper end of the fixed mold 110, the glue feeding assembly 200 includes a glue feeding pipe 210 installed at the bottom end of the center of the mold cavity 130, and an installation groove 220 internally provided at the center of the movable mold 120, a movable pressing plate 230 matched with the mold cavity 130 is further movably installed at the bottom of the installation groove 220, a plurality of groups of T-shaped columns 240 movably connected with the movable mold 120 are further fixedly installed at the upper end of the movable pressing plate 230, flexible springs 250 are respectively sleeved at the upper ends of the T-shaped columns 240, the glue feeding assembly 200 further includes a plurality of groups of positioning columns 260 fixedly installed at the upper end of the movable pressing plate 230, and a plurality of groups of positioning sleeves 270 correspondingly sleeved with the lower groups of positioning columns 260 fixedly installed at the top of the installation groove 220, and the glue feeding assembly 200 further includes a pressure sensor 280 fixedly installed at the top center of the installation groove 220 and positioning the upper position of the lower movable pressing plate 230.

Specifically, the impeller refers to a wheel disc provided with moving blades, which is a component part of an impulse turbine rotor, the plastic impeller is integrally formed by a plurality of groups of blades at the bottom and a round bottom plate at the upper end, and because the shape of the impeller is irregular, the plastic impeller can uniformly feed glue to a plurality of groups of impeller blade cavities at the bottom of the mold cavity 130 in the process of injecting glue into the impeller mold cavity 130, after the glue feeding of a plurality of groups of impeller blade cavities is completed, the movable pressing plate 230 at the bottom of the movable mold 120 is extruded to feed glue to the bottom plate cavity at the upper end of the impeller, so that the glue feeding assembly 200 can avoid the problem that the glue feeding is uneven or the air holes in the glue body influence the production quality of the impeller due to the irregular shape of the impeller, and the plurality of positioning sleeves 270 and a group of pressure sensors 280 arranged at the upper end of the movable pressing plate 230 can also perform vertical constraint and positioning of rebound positions in rebound of the movable pressing plate 230 so as to optimize the use effect and ensure the quality of glue feeding after the molding of the impeller.

Embodiment two:

based on the first embodiment, as shown in fig. 4-5, the discharging assembly 300 includes a material ejection cavity 310 and a plurality of groups of material ejection cavities 320 respectively formed at the center of the mold cavity 130 and at the lower ends of the plurality of arc edges, and a material ejection column 330 and a plurality of groups of material ejection pins 340 respectively mounted inside the material ejection cavity 310 and the material ejection cavities 320, the discharging assembly 300 further includes a fixing plate 350 fixedly mounted at the bottoms of the material ejection column 330 and the plurality of groups of material ejection pins 340, a plurality of groups of round holes 360 formed at the upper ends of the fixing plate 350 in a arrayed manner, the discharging assembly 300 further includes a plurality of groups of binding rods 370 fixedly mounted at the bottom of the fixed mold 110 and penetrating through the round holes 360 at the upper ends of the fixing plate 350, and a cylinder 380 mounted at the bottom of the fixing plate 350 and driving the same.

Specifically, the discharging assembly 300 installed at the bottom of the fixed mold 110 can also solve the problem that the feeding assembly 200 is inconvenient to cause the upper end of the impeller to be ejected, so that the convenience in discharging after the impeller is molded is improved by matching the feeding assembly 200 by ejecting the molded impeller under the conditions that the bottom is uniformly stressed under the driving of the air cylinder 380 and the vertical constraint of the constraint rod 370 through the ejection column 330 and the plurality of groups of ejector pins 340 at the center of the mold cavity 130 and the bottoms of the plurality of blades.

The working principle and the using flow of the utility model are as follows:

when the impeller is used for injection molding, firstly, the movable die 120 is moved to the upper end of the fixed die 110, after the movable pressing plate 230 at the bottom of the movable die 120 is matched with the die cavity 130 at the upper end of the fixed die 110, the rubber inlet pipe 210 at the outer end is connected, the rubber inlet pipe 210 at the center of the bottom of the die cavity 130 is used for carrying out rubber inlet in the injection molding process, when the rubber inlet pipe 210 is used for feeding rubber, the plastic flows along the center of the die cavity 130 and uniformly covers the inner parts of the plurality of impeller blade cavities at the bottom of the die cavity 130, after the rubber inlet in the plurality of impeller blade cavities at the bottom of the die cavity 130 is finished, the rubber inlet pipe 210 at the center of the die cavity 130 is used for pressing the movable pressing plate 230 at the upper end of the die cavity 130 in the rubber inlet process, and when the movable pressing plate 230 is moved upwards, the rubber inlet pipe 210 is arranged at one layer from the center to the outer side in the die cavity 130, the flexible springs 250 at the outer ends of the T-shaped columns 240 are compressed, a plurality of groups of positioning columns 260 at the upper ends of the movable pressing plates 230 are made to move in a plurality of groups of positioning sleeves 270 at the lower ends of the mounting grooves 220 so as to keep the movable pressing plates 230 vertically moving, when the positioning columns 260 move along the positioning sleeves 270 to enable the movable pressing plates 230 to be in contact with the pressure sensors 280 at the centers of the mounting grooves 220, the upper ends of the pressure sensors 280 receive pressure, the rubber feeding pipe 210 is closed, the rubber feeding during impeller injection is completed, after plastic in the mold cavity 130 is cooled, the movable mold 120 at the upper end of the fixed mold 110 is moved upwards, and the air cylinders 380 at the bottom of the fixed mold 110 are driven, so that the air cylinders 380 drive the fixed plate 350 with the upper ends vertically restrained by the restraint rods 370, and the ejector columns 330 and the ejector pins 340 at the upper ends thereof are ejected along the ejector cavities 310 and the ejector pins 320 at the bottom of the mold cavity 130 under the condition that the impeller mold is uniformly stressed in the mold cavity 130, to complete the discharge.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides an impeller forming die, includes mould main part (100), advances gluey subassembly (200) and ejection of compact subassembly (300), mould main part (100) include cover half (110) and movable mould (120) to and die cavity (130) of cover half (110) upper end, a serial communication port, advance gluey subassembly (200) including die cavity (130) center department bottom installation advance rubber tube (210), and inside mounting groove (220) of seting up of movable mould (120) center department, the bottom of mounting groove (220) still movable mounting have with die cavity (130) assorted movable clamp plate (230), the upper end of movable clamp plate (230) still fixed mounting have multiunit and movable mould (120) swing joint's T shape post (240), the upper end of T shape post (240) all overlaps and is equipped with flexible spring (250).

2. The impeller forming mold according to claim 1, wherein the glue feeding assembly (200) further comprises a plurality of sets of positioning posts (260) fixedly installed at the upper end of the movable pressing plate (230), and a plurality of sets of positioning sleeves (270) fixedly installed at the top of the installation groove (220) and sleeved corresponding to the plurality of sets of positioning posts (260) at the lower end.

3. The impeller molding die as claimed in claim 1, wherein the glue feeding assembly (200) further comprises a pressure sensor (280) fixedly installed at the center of the top of the installation groove (220) for positioning the upper shift of the lower movable platen (230).

4. The impeller forming mold according to claim 1, wherein the discharging assembly (300) comprises a material ejection cavity (310) and a plurality of groups of thimble cavities (320) respectively formed in the center of the mold cavity (130) and at the lower ends of the plurality of arc edges, and material ejection columns (330) and a plurality of groups of thimble (340) respectively mounted in the material ejection cavity (310) and the thimble cavities (320).

5. The impeller forming mold according to claim 1, wherein the discharging assembly (300) further comprises a fixing plate (350) fixedly installed at the bottoms of the ejector pins (330) and the plurality of groups of ejector pins (340), and a plurality of groups of round holes (360) are formed in an arrangement at the upper end of the fixing plate (350).

6. The impeller forming die according to claim 1, wherein the discharging assembly (300) further comprises a plurality of groups of tie rods (370) fixedly installed at the bottom of the fixed die (110) and penetrating through round holes (360) at the upper end of the fixed plate (350), and a cylinder (380) installed at the bottom of the fixed plate (350) and driving the tie rods.