Fan blade stator injection mold structure

Abstract

The utility model discloses a fan blade stator injection mold structure which comprises a front mold mechanism and a rear mold mechanism, the front mold mechanism comprises a front mold bottom plate, a front mold plate, a front mold runner plate, a front mold blank plate, a front mold blank core, a glue inlet nozzle, a framework main body top forming insert and a framework upper boss outer side forming insert; the rear mold mechanism comprises a rear mold bottom plate, a rear mold cushion block, a rear mold plate, a rear mold blank plate, a rear mold blank core, a middle mold plate, a framework inner cavity forming insert, a framework body top middle hole forming insert, a framework gap groove position forming insert and a framework lower boss outer side forming insert, and a sealing top strip is arranged on the outer wall of the framework inner cavity forming insert. After the framework inner cavity forming insert penetrates through the center hole of the iron core, the sealing top strip can be in close contact with the inner wall of the iron core, glue injection and glue leakage at the contact position are avoided, the end of the sealing top strip is provided with an arc-shaped transition face, hard collision between the end of the sealing top strip and the iron core can be avoided, abrasion of the sealing top strip is prevented, the number of times of replacing the insert is reduced, and the service life of the insert is prolonged. The cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fan production molds, and more specifically, to a fan blade stator injection mold structure. Background Art

[0002] Existing fans generally include a blade rotor and a blade stator, and the blade rotor can rotate on the blade stator. Figure 1 As shown, the fan blade stator can be provided with a plastic frame 100 and an iron core 200. When the fan blade stator is prepared, the iron core can be placed in an injection mold, and the iron core and the plastic frame can be injection molded as a whole. However, the existing injection mold has the following shortcomings: sealing problems are prone to occur, resulting in glue leakage, and the iron core is prone to collision with the insert of the rear mold, causing wear of the insert, and the insert needs to be replaced frequently, which increases production costs. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and provide a fan blade stator injection mold structure.

[0004] To achieve the above-mentioned purpose, the utility model provides a fan blade stator injection mold structure, including a front mold mechanism and a rear mold mechanism that can be molded with the front mold mechanism, the front mold mechanism includes a front mold bottom plate, a front mold plate, a front mold runner plate, a front mold base plate, a front mold base core, a glue inlet, a top molding insert of a skeleton body, and an outer molding insert of a boss on the skeleton, the front mold plate is installed on the front mold bottom plate, the front mold runner plate and the front mold base plate are installed in the middle slot of the front mold plate from the inside to the outside in sequence, and the front mold base core is provided with a plurality of front mold cores that are respectively installed on the front mold base plate In the installation groove, the surface of each front mold core is respectively provided with a skeleton upper molding cavity, one end of the top molding insert of the skeleton body passes through the front mold core and is placed in the middle of the skeleton upper molding cavity, one end of the outer molding insert of the skeleton upper boss passes through the front mold core and is placed around the skeleton upper molding cavity, the glue inlet is installed in the middle of the front mold bottom plate, the glue inlet is connected to the inlet of the internal flow channel of the front mold runner plate, and the outlet of the internal flow channel of the front mold runner plate is connected to the surrounding of the skeleton upper molding cavity, the rear mold mechanism includes a rear mold bottom plate, a rear mold cushion block, and a rear mold The mold base plate is provided with a rear mold base plate, a rear mold base core, a middle mold base plate, a frame inner cavity forming insert, a frame main body top middle hole forming insert, a frame gap slot forming insert and a frame lower boss outer side forming insert, the rear mold pad is provided with two and is installed between the rear mold bottom plate and the rear mold base plate at intervals, the rear mold base plate is installed in the middle slot of the rear mold base plate, the rear mold base core is provided with a plurality of and is installed in the rear mold core installation grooves of the rear mold base plate, the surface of each rear mold base core is provided with a frame lower forming cavity, the middle mold base is installed on the rear mold base plate, and the middle mold base is provided with The stator core accommodating groove corresponds to the position of the lower forming cavity of the skeleton, one end of the skeleton inner cavity forming insert and the skeleton main body top middle hole forming insert respectively pass through the rear mold core and are placed in the middle of the skeleton lower forming cavity and the stator core accommodating groove, one end of the skeleton gap groove forming insert and the skeleton lower boss outer side forming insert respectively pass through the front mold core and are placed around the skeleton upper forming cavity and the stator core accommodating groove, the outer wall of the skeleton inner cavity forming insert is provided with a plurality of sealing top strips extending along the length direction, and the end of the sealing top strip is provided with an arc transition surface.

[0005] Preferably, the rear mold mechanism also includes a skeleton through hole rear mold forming insert, one end of which passes through the rear mold core and is placed in the lower molding cavity of the skeleton and the stator core accommodating groove; the front mold mechanism also includes a skeleton through hole front mold forming insert, one end of which passes through the front mold core and is placed in the upper molding cavity of the skeleton, and the skeleton through hole front mold forming insert is provided with a central channel for inserting the skeleton through hole rear mold forming insert.

[0006] Preferably, the rear mold mechanism further includes an ejector plate, an ejector pin and an ejector plate guide pin, wherein the ejector plate is movably mounted between the rear mold bottom plate and the rear mold plate, the ejector pin is mounted on the ejector plate, one end of the ejector pin sequentially passes through the rear mold plate and the rear mold core and is placed in the molding cavity at the lower part of the skeleton, the ejector plate guide pin is mounted between the rear mold bottom plate and the rear mold plate, and the ejector plate guide pin passes through the ejector plate.

[0007] Preferably, the ejector plate is provided with a limiting column located between the ejector plate and the rear template.

[0008] Preferably, mold closing guide columns are respectively provided at the four corners of the front template, and mold closing guide sleeves for inserting the mold closing guide columns are respectively provided at the four corners of the rear template.

[0009] Preferably, the rear mold plate is provided with a plurality of wear-resistant blocks located around the rear mold base plate.

[0010] Preferably, a counter is provided on one side of the rear template.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model has reasonable structural design, the front mold mechanism comprises a front mold bottom plate, a front mold template, a front mold runner plate, a front mold mold base plate, a front mold base core, a glue inlet, a skeleton main body top forming insert and a skeleton upper boss outer forming insert, the rear mold mechanism comprises a rear mold bottom plate, a rear mold cushion block, a rear mold template, a rear mold mold base plate, a rear mold base core, a middle mold template, a skeleton inner cavity forming insert, a skeleton main body top middle hole forming insert, a skeleton gap groove forming insert and a skeleton lower boss outer forming insert, the outer wall of the skeleton inner cavity forming insert is provided with a plurality of sealing top strips extending along the length direction, when the skeleton inner cavity forming insert passes through the center hole of the iron core, the sealing top strip can be in close contact with the inner wall of the iron core, so that the contact position will not be injected with glue and the glue will not leak, and the end of the sealing top strip is provided with an arc transition surface, which can avoid the end of the sealing top strip from hard collision with the iron core, prevent the sealing top strip from being worn, reduce the number of times of replacing the insert, and reduce the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the fan blade stator provided in an embodiment of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the fan blade stator injection mold structure provided by an embodiment of the utility model;

[0016] Figure 3 It is a cross-sectional view of the fan blade stator injection mold structure provided by the embodiment of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the front mold mechanism provided by an embodiment of the utility model;

[0018] Figure 5 It is a partial structural schematic diagram of the front mold mechanism provided by an embodiment of the utility model;

[0019] Figure 6 It is a structural schematic diagram of the insert part of the front mold mechanism provided by the embodiment of the utility model;

[0020] Figure 7 It is a structural schematic diagram of the rear mold mechanism provided by an embodiment of the utility model;

[0021] Figure 8 It is a partial structural exploded view of the rear mold mechanism provided by the embodiment of the utility model;

[0022] Fig. 9 It is a structural schematic diagram of the insert part of the rear mold mechanism provided by the embodiment of the utility model;

[0023] Fig.10 It is an enlarged view of the local structure of the inner cavity molding insert of the skeleton provided in the embodiment of the utility model;

[0024] Fig.11 It is a cross-sectional view of the fan blade stator provided in an embodiment of the utility model on the rear mold mechanism. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Please refer to Figure 2 and Figure 3 An embodiment of the utility model provides a fan blade stator injection mold structure, including a front mold mechanism 1 and a rear mold mechanism 2 that can be molded with the front mold mechanism 1. The various components of this embodiment are described in detail below in conjunction with the accompanying drawings.

[0027] like Figures 1 to 6 As shown, the front mold mechanism 1 may include a front mold bottom plate 11, a front mold plate 12, a front mold runner plate 13, a front mold base plate 14, a front mold base core 15, a glue inlet 16, a top molding insert 17 of the skeleton body, and an outer molding insert 18 of the upper boss of the skeleton. The front mold plate 12 is installed on the front mold bottom plate 11, and the front mold runner plate 13 and the front mold base plate 14 are installed in the middle groove of the front mold plate 12 from the inside to the outside. The front mold base core 15 is provided with a plurality of front mold cores 15 and are respectively installed in the front mold core installation grooves of the front mold base plate 14. Each front mold base The surface of the core 15 is respectively provided with a skeleton upper molding cavity 10, one end of the skeleton main body top molding insert 17 passes through the front mold core 15 and is placed in the middle of the skeleton upper molding cavity 10, one end of the skeleton upper boss outer side molding insert 18 passes through the front mold core 15 and is placed around the skeleton upper molding cavity 10, and the glue inlet 16 is installed in the middle of the front mold bottom plate 11, and the glue inlet nozzle 16 is connected to the inlet of the internal flow channel of the front mold runner plate 13, and the outlet of the internal flow channel of the front mold runner plate 13 is connected to the surrounding of the skeleton upper molding cavity 10.

[0028] like Figure 1 , Figure 2 , Figures 7 to 9 As shown, the rear mold mechanism 2 may include a rear mold bottom plate 21, a rear mold cushion block 22, a rear mold plate 23, a rear mold base plate 24, a rear mold base core 25, a middle mold plate 26, a frame inner cavity molding insert 27, a frame main body top middle hole molding insert 28, a frame gap slot molding insert 29 and a frame lower boss outer side molding insert 210, two rear mold cushion blocks 22 are provided and are installed at intervals between the rear mold bottom plate 21 and the rear mold plate 23, the rear mold base plate 24 is installed in the middle slot of the rear mold plate 23, a plurality of rear mold base cores 25 are provided and are respectively installed in the rear mold core installation grooves of the rear mold base plate 24, and each rear mold base core 25 has a plurality of rear mold base cores 25, ... The surface of 25 is respectively provided with a lower frame forming cavity 20, the middle template 26 is installed on the rear mold base plate 24, and the middle template 26 is provided with a stator core accommodating groove 261 corresponding to the position of the lower frame forming cavity, one end of the frame inner cavity forming insert 27 and the middle hole forming insert 28 on the top of the frame body respectively pass through the rear mold base core 25 and are placed in the middle of the lower frame forming cavity and the stator core accommodating groove 261, one end of the frame gap groove forming insert 29 and the outer side forming insert 210 of the lower boss of the frame respectively pass through the front mold base core 15 and are placed around the upper frame forming cavity 10 and the stator core accommodating groove 261.

[0029] like Fig.10 As shown, the outer wall of the frame inner cavity molding insert 27 is provided with a plurality of sealing top strips 271 extending along the length direction, and the ends of the sealing top strips 271 are provided with arc-shaped transition surfaces 271 .

[0030] The top molding insert 17 of the skeleton body and the top middle hole molding insert 28 of the skeleton body cooperate with each other to be used for the top molding of the skeleton body, the outer molding insert 18 of the upper boss of the skeleton cooperates with the upper molding cavity 10 of the skeleton to be used for the molding of the upper boss 103 of the skeleton, the inner cavity molding insert 27 of the skeleton is used for the molding of the inner cavity of the skeleton body, the gap groove molding insert 29 of the skeleton is used for the molding of the gap groove 106 of the skeleton, and the outer molding insert 210 of the lower boss of the skeleton cooperates with the lower molding cavity 20 of the skeleton to be used for the molding of the lower boss 104 of the skeleton.

[0031] In addition, in order to form the through-holes of the skeleton, the rear mold mechanism 2 may also include a needle-shaped skeleton through-hole rear mold forming insert 211, one end of which passes through the rear mold core 25 and is placed in the skeleton lower molding cavity and the stator core accommodating groove 261. Matching this, the front mold mechanism 1 may also include a tubular skeleton through-hole front mold forming insert 19, one end of which passes through the front mold core 15 and is placed in the skeleton upper molding cavity 10, and the skeleton through-hole front mold forming insert 19 is provided with a central channel for inserting the skeleton through-hole rear mold forming insert 211. After the mold is closed, the skeleton through-hole rear mold forming insert 211 can be inserted into the central channel of the skeleton through-hole front mold forming insert 19.

[0032] like Figure 2 and Figure 3 As shown, the rear mold mechanism 2 may further include an ejector plate 212, an ejector pin 213 and an ejector plate guide pin 214, wherein the ejector plate 212 is movably mounted between the rear mold bottom plate 21 and the rear mold plate 23, the ejector pin 213 is mounted on the ejector plate 212, one end of the ejector pin 213 sequentially passes through the rear mold plate 23 and the rear mold core 25 and is then placed in the lower molding cavity 20 of the skeleton, the ejector plate guide pin 214 is mounted between the rear mold bottom plate 21 and the rear mold plate 23, and the ejector plate guide pin 214 passes through the ejector plate 212. The ejector pin 213 may be used for demolding after the fan blade stator is formed, and may eject the fan blade stator from the mold.

[0033] In order to limit the moving stroke of the ejector plate 212 , the ejector plate 212 may be further provided with a limiting column 215 located between the ejector plate 212 and the rear template 23 .

[0034] like Figure 4 and Figure 7 As shown, in order to facilitate mold closing, mold closing guide columns 110 can be respectively provided at the four corners of the front template 12, and correspondingly, mold closing guide sleeves 216 for inserting the mold closing guide columns 110 can be respectively provided at the four corners of the rear template 23.

[0035] like Figure 7 As shown, the rear mold plate 23 may be provided with a plurality of wear-resistant blocks 217 located around the rear mold base plate 24 , which can reduce the surface wear of the rear mold plate 23 .

[0036] like Figure 7 As shown, a counter 218 is provided on one side of the rear template 23, which can count the number of mold closing times.

[0037] The working principle of the utility model is as follows:

[0038] Before injection molding, the iron core can be placed in each stator iron core accommodating slot of the middle template. At this time, the skeleton inner cavity molding insert will pass through the center hole of the iron core, and the sealing top strip can be in close contact with the inner wall of the iron core, so that the contact position will not be injected with glue and the glue will not leak. In addition, the end of the sealing top strip is provided with an arc transition surface, which can avoid the hard collision between the end of the sealing top strip and the iron core, prevent the sealing top strip from being worn, reduce the number of times the insert is replaced, and reduce the production cost.

[0039] After that, the front mold mechanism and the rear mold mechanism are molded together, and the colloid injected from the colloid inlet nozzle flows into the upper molding cavity of the skeleton of each front mold embryo core and the lower molding cavity of the skeleton of each rear mold embryo core. After the colloid is cooled, the fan blade stator product is formed. Fig.11 .

[0040] After the fan blade stator is injection molded, the front mold mechanism and the rear mold mechanism open the mold, and the ejector pin ejects the fan blade stator out of the mold.

[0041] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A fan blade stator injection mold structure, comprising a front mold mechanism and a rear mold mechanism capable of being molded with the front mold mechanism, characterized in that: The front mold mechanism includes a front mold bottom plate, a front mold plate, a front mold runner plate, a front mold base plate, a front mold base core, a glue inlet, a top molding insert of the skeleton body, and an outer molding insert of the upper boss of the skeleton. The front mold plate is installed on the front mold bottom plate, and the front mold runner plate and the front mold base plate are installed in the middle slot of the front mold plate from the inside to the outside in sequence. The front mold base core is provided with a plurality of front mold cores and respectively installed in the front mold core installation grooves of the front mold base plate. The surface of each front mold base core is respectively provided with a skeleton upper molding cavity. The top molding insert of the skeleton body One end of the mold passes through the front mold core and is placed in the middle of the upper molding cavity of the skeleton. One end of the outer molding insert of the upper boss of the skeleton passes through the front mold core and is placed around the upper molding cavity of the skeleton. The glue inlet is installed in the middle of the front mold bottom plate. The glue inlet is connected to the inlet of the internal flow channel of the front mold runner plate. The outlet of the internal flow channel of the front mold runner plate is connected to the surrounding of the upper molding cavity of the skeleton. The rear mold mechanism includes a rear mold bottom plate, a rear mold cushion block, a rear mold plate, a rear mold base plate, a rear mold core, a middle mold plate, a skeleton inner cavity molding insert, The frame body has a central hole forming insert at the top, a frame gap slot forming insert, and a frame lower boss outer side forming insert. The rear mold pad is provided with two and is installed at intervals between the rear mold bottom plate and the rear mold plate. The rear mold mold base plate is installed in the middle slot of the rear mold plate. The rear mold base core is provided with a plurality of and is respectively installed in the rear mold core installation grooves of the rear mold mold base plate. The surface of each rear mold base core is respectively provided with a frame lower forming cavity. The middle mold plate is installed on the rear mold mold base plate. The middle mold plate is provided with a position corresponding to the frame lower forming cavity. The stator core receiving slot corresponds to the stator core receiving slot, one end of the skeleton inner cavity forming insert and the skeleton main body top middle hole forming insert respectively pass through the rear mold core and are arranged in the middle of the skeleton lower forming cavity and the stator core receiving slot, one end of the skeleton gap slot forming insert and the skeleton lower boss outer side forming insert respectively pass through the front mold core and are arranged around the skeleton upper forming cavity and the stator core receiving slot, the outer wall of the skeleton inner cavity forming insert is provided with a plurality of sealing top strips extending along the length direction, and the end of the sealing top strip is provided with an arc transition surface.

2. The fan blade stator injection mold structure according to claim 1, characterized in that: The rear mold mechanism also includes a skeleton through-hole rear mold forming insert, one end of which passes through the rear mold embryo core and is placed in the lower molding cavity of the skeleton and the stator core accommodating groove; The front mold mechanism also includes a skeleton through-hole front mold forming insert, one end of which passes through the front mold embryo core and is placed in the upper molding cavity of the skeleton, and the skeleton through-hole front mold forming insert is provided with a central channel for inserting the skeleton through-hole rear mold forming insert.

3. The fan blade stator injection mold structure according to claim 1, characterized in that: The rear mold mechanism also includes an ejector plate, an ejector and an ejector plate guide column. The ejector plate is movably installed between the rear mold bottom plate and the rear mold plate. The ejector is installed on the ejector plate. One end of the ejector passes through the rear mold plate and the rear mold core in sequence and is placed in the molding cavity at the lower part of the skeleton. The ejector plate guide column is installed between the rear mold bottom plate and the rear mold plate. The ejector plate guide column passes through the ejector plate.

4. The fan blade stator injection mold structure according to claim 3, characterized in that: The ejector plate is provided with a limiting column located between the ejector plate and the rear template.

5. The fan blade stator injection mold structure according to claim 1, characterized in that: The four corners of the front template are respectively provided with mold closing guide columns, and the four corners of the rear template are respectively provided with mold closing guide sleeves for inserting the mold closing guide columns.

6. The fan blade stator injection mold structure according to claim 1, characterized in that: The rear mold plate is provided with a plurality of wear-resistant blocks located around the rear mold base plate.

7. The fan blade stator injection mold structure according to claim 1, characterized in that: A counter is provided on one side of the rear template.

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