CN219445915U - Coring device of closed centrifugal impeller - Google Patents

Abstract

The utility model discloses a coring device of a closed centrifugal impeller, which is applied to injection molding of the closed centrifugal impeller, wherein the coring device comprises a push plate and a rotary cylinder, and the push plate is arranged at one side of the impeller and is used for pushing out a core on the impeller; the rotary cylinder is arranged at the outer side of the impeller and is used for driving the impeller to rotate; the device is small in size, is directly fixed on the side face of the injection molding machine die, does not occupy space, is formed by continuously completing injection molding and coring of operators, does not need to be independently configured with coring operators, can save manpower resources to the greatest extent, overcomes the defects of the prior art, is reasonable in design and compact in structure, and has higher social use value and application prospect.

Description

Coring device of closed centrifugal impeller

Technical Field

The utility model relates to the technical field of impeller production, in particular to a coring device of a closed centrifugal impeller.

Background

In the manufacture of a closed centrifugal impeller, a method of molding blades by using a movable core is often adopted to manufacture the closed centrifugal impeller, and the core needs to be taken out from the impeller after the impeller is injection molded.

At present, the core is usually taken by adopting a mode of knocking one by adopting a rubber hammer in the market, the efficiency is very low, and one injection molding machine can be completed by cooperation of two people; in addition, if the direction is inaccurate and the force is uneven in the process of knocking the core, the impeller is easily damaged, fine cracks appear, and when the impeller rotates at a high speed, the impeller is easily broken, so that the personnel are injured.

Accordingly, the inventor has the problem of providing a coring device of a closed centrifugal impeller, which is researched and improved for the existing structure and the defects, so as to achieve the purpose of having more practical value by keeping the experience of the design development and the actual manufacturing in the related industry for many years.

Disclosure of Invention

In order to solve the problem that in the prior art, a rubber hammer is often adopted to core in a mode of knocking one by one in the current market, the efficiency is low, and one injection molding machine can be completed by two persons in cooperation; in addition, if the direction is inaccurate and the force is uneven in the process of knocking the core, the impeller is easily damaged, fine cracks appear, and when the impeller rotates at a high speed, the impeller is easily broken, so that the problem of injury to personnel is solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the coring device comprises a push plate and a rotary cylinder, wherein the push plate is arranged on one side of the impeller and used for pushing out a core on the impeller; the rotary cylinder is arranged at the outer side of the impeller and is used for driving the impeller to rotate; wherein, the push plate can make a round trip the setting of adjusting in one side of impeller.

Preferably, the impeller is rotatably mounted on the rear support plate, and the push plate is adjustably arranged on the rear support plate.

Preferably, a positioning hole is formed in the rear supporting plate, a positioning shaft connected with the positioning hole in a rotating mode is arranged on one side of the middle of the push plate, an annular adjusting groove is further formed in the rear supporting plate, an adjusting hole corresponding to the adjusting groove is formed in the outer side of the push plate, and an adjusting bolt connected with the adjusting groove and used for fixing the push plate in an extruding mode is arranged in the adjusting hole.

Preferably, the rotatable flange plate used for driving the impeller to synchronously rotate is arranged on the rear supporting plate, the impeller is arranged on the flange plate in a back-and-forth sliding mode, the rotary cylinder is arranged on the rear supporting plate, a driving shaft is arranged at the output end of the rotary cylinder, the driving connecting shaft is connected with the flange plate, a ring cutter is arranged in the middle of the flange plate, and a telescopic pressure plate is arranged on the outer side of the impeller.

Preferably, be equipped with fixed connection's locating pin on the ring flange, be equipped with the locating hole that is used for the locating pin to insert the block on the impeller, back backup pad bottom is equipped with fixed connection's bottom plate, be equipped with fixed connection's cylinder board on the bottom plate, be equipped with fixed connection's extrusion cylinder on the cylinder board, extrusion cylinder fixed mounting is on the cylinder board, and the revolving cylinder output is equipped with the cylinder guide arm that is used for driving pressure disk back and forth movement.

Preferably, the shape of the end of the push plate corresponds to the core structure.

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

1. the whole device is small in size, is directly fixed on the side surface of the injection molding machine die, does not occupy space, is formed by continuously completing injection molding and coring of operators, does not need to independently configure coring operators, and can save human resources to the greatest extent; the two stations of coring and degating are integrated, so that impeller processing can be completed at one time, and the working efficiency is improved; the process is reduced, the efficiency is improved, the device completes coring and pouring gate removing synthesis in one step, and the whole injection molding machine can complete the whole process by only one person.

2. The device has strong compatibility, and can meet impellers with different diameters and different blade shapes by changing connecting discs with different specifications and adjusting the angle of the push rod.

3. The product quality is ensured, the stress direction of the coring device is consistent with the trend of the shape of the blade, and all the cores can be instantly taken out with small force, so that the impeller is not damaged; the safety is improved, after the impeller is placed on the device, coring and pouring gate removing are completed in one step, personnel are not contacted, and the personnel cannot be injured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic diagram of the structure of the adjusting tank of the present utility model.

Fig. 3 is a schematic perspective view of a ring cutter according to the present utility model.

In the figure: 1. a bottom plate; 2. a rear support plate; 21. an adjustment tank; 22. positioning holes; 23. a rotary cylinder; 24. a positioning pin; 25. a flange plate; 26. a ring cutter; 3. an impeller; 31. a core slot; 32. a jack; 4. a push plate; 5. an extrusion cylinder; 51. a cylinder guide rod; 52. and a cylinder plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-2, a coring device of a closed centrifugal impeller, which is applied after injection molding of the closed centrifugal impeller, comprises a push plate 4 and a rotary cylinder 23, wherein the push plate 4 is arranged at one side of the impeller 3 and is used for pushing out a core on the impeller 3; the rotary cylinder 23 is arranged on the outer side of the impeller 3 and is used for driving the impeller 3 to rotate; wherein the push plate 4 is arranged on one side of the impeller 3 in a back and forth adjustable way. Wherein the outside of the impeller 3 is provided with a plurality of annular and evenly distributed core grooves 31, and the cores are arranged in the core grooves 31.

In this embodiment, the impeller 3 is rotatably mounted on the rear support plate 2, and the push plate 4 is adjustably disposed on the rear support plate 2.

Further, be equipped with locating hole 22 on the back backup pad 2, push pedal 4 middle part one side is equipped with the locating shaft that rotates with locating hole 22 to be connected, still be equipped with on the back backup pad 2 and be annular adjustment tank 21, push pedal 4 outside is equipped with the regulation hole corresponding with adjustment tank 21, be equipped with in the regulation hole and be connected and be used for push pedal 4 extrusion fixed adjusting bolt with adjustment tank 21.

The annular design of the adjusting groove 21 and the combination of the adjusting bolt and the positioning shaft can realize the adjustment of the distance between the push plate 4 and the impeller 3 by rotating the push plate 4 around the positioning shaft, adapt to impellers 3 with different diameters and blade shapes, and the addition of the adjusting bolt can realize the fixation of the push plate 4 after the position adjustment is completed, so that the stability of the push plate 4 in use is ensured.

Referring to fig. 3, in this embodiment, a rotatable flange 25 for driving the impeller 3 to rotate synchronously is provided on the rear support plate 2, the impeller 3 is slidably disposed on the flange 25 back and forth, the rotary cylinder 23 is disposed on the rear support plate 2, the output end of the rotary cylinder 23 is provided with a driving shaft, and the driving shaft is connected with the flange 25, a ring cutter 26 for cutting a rod-shaped gate in the middle position of the impeller 3 is provided in the middle of the flange 25, and a pressure plate which is telescopic and used for extruding the middle of the impeller 3 toward the ring cutter 26 is provided outside the impeller 3.

Further, a positioning pin 24 is fixedly connected to the flange 25, a jack 32 for inserting and clamping the positioning pin 24 is formed in the impeller 3, a bottom plate 1 is fixedly connected to the bottom of the rear supporting plate 2, a cylinder plate 52 is fixedly connected to the bottom plate 1, a squeezing cylinder 5 is fixedly connected to the cylinder plate 52, the squeezing cylinder 5 is fixedly mounted on the cylinder plate 52, and a cylinder guide rod 51 for driving the platen to move back and forth is arranged at the output end of the rotary cylinder 23. The output end of the cylinder guide rod 51 is rotationally connected with the pressure plate through a bearing seat. Meanwhile, the middle part of the driving shaft is hollow.

By the design of the pressure plate and the annular cutter 26, the impeller 3 can be moved towards the annular cutter 26 in a manner that the impeller 3 is pressed by the pressure plate, so that the annular cutter 26 is utilized to cut off the rod-shaped pouring gate in the middle of the impeller 3.

In this embodiment, the shape of the end of the push plate 4 corresponds to the core structure. In the application, the push plate 4 adopts a square head push rod, and can be ground into a proper shape according to a core structure, and the fixing direction of the push rod can be adjusted according to the direction of the blades in the impeller 3, so that the impeller 3 with different diameters and blade shapes is suitable.

Working principle: in the present utility model

After the impeller 3 is injection-molded and demolding, a rod-shaped pouring gate of the impeller 3 is inserted into a central hole of a driving shaft, meanwhile, a positioning hole 22 of the impeller 3 is inserted into a positioning pin 24 of the driving shaft assembly, then a cylinder rod on the right side pushes a pressure plate and the impeller 3 to axially move, and a ring cutter 26 on the driving shaft cuts the pouring gate under the action of pushing force and realizes axial positioning.

Loosening the adjusting bolt, rotating and adjusting the push plate 4 at a proper position, then fixing the position of the push plate 4 through the adjusting bolt, starting the rotary cylinder 23 at the moment, driving the impeller 3 to rotate, and enabling the core outside the impeller 3 to be extruded with the end part of the push plate 4 through the rotation of the impeller 3, wherein the push plate 4 extrudes and separates the core outside the impeller 3, so that the automatic separation of the core is realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (6)

1. A coring device for a closed centrifugal impeller, the coring device being adapted to be used after injection molding of the closed centrifugal impeller, the coring device comprising:

the pushing plate is arranged on one side of the impeller and used for pushing out the core on the impeller;

the rotary cylinder is arranged at the outer side of the impeller and is used for driving the impeller to rotate;

wherein, the push plate can make a round trip the setting of adjusting in one side of impeller.

2. A closed centrifugal impeller coring device according to claim 1, wherein: the novel impeller comprises a front supporting plate, a rear supporting plate, a blade wheel and a push plate.

3. A closed centrifugal impeller coring device according to claim 2, wherein: the novel push plate is characterized in that a positioning hole is formed in the rear support plate, a positioning shaft connected with the positioning hole in a rotating mode is arranged on one side of the middle of the push plate, an annular adjusting groove is further formed in the rear support plate, an adjusting hole corresponding to the adjusting groove is formed in the outer side of the push plate, and an adjusting bolt connected with the adjusting groove and used for fixing the push plate in an extruding mode is arranged in the adjusting hole.

4. A closed centrifugal impeller coring device according to claim 2, wherein: be equipped with rotatable and be used for driving impeller synchronous rotation's ring flange in the back backup pad, impeller slidable setting is on the ring flange that makes a round trip, revolving cylinder sets up in the back backup pad, and revolving cylinder output is equipped with the drive shaft, the drive shaft connects with the ring flange, the ring flange middle part is equipped with the ring cutter, the impeller outside is equipped with telescopic pressure disk.

5. A closed centrifugal impeller coring device according to claim 4, wherein: be equipped with fixed connection's locating pin on the ring flange, be equipped with the locating hole that is used for the locating pin to insert the block on the impeller, back backup pad bottom is equipped with fixed connection's bottom plate, be equipped with fixed connection's cylinder board on the bottom plate, be equipped with fixed connection's extrusion cylinder on the cylinder board, extrusion cylinder fixed mounting is on the cylinder board, and the revolving cylinder output is equipped with the cylinder guide arm that is used for driving pressure disk back and forth movement.

6. A closed centrifugal impeller coring device according to claim 1, wherein: the shape of the end part of the push plate corresponds to the core structure.