CN110435091B - Double-color injection mold for plastic-coated rotor - Google Patents
Double-color injection mold for plastic-coated rotor Download PDFInfo
- Publication number
- CN110435091B CN110435091B CN201910743024.9A CN201910743024A CN110435091B CN 110435091 B CN110435091 B CN 110435091B CN 201910743024 A CN201910743024 A CN 201910743024A CN 110435091 B CN110435091 B CN 110435091B
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- core
- mounting plate
- mold core
- auxiliary push
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- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 239000004033 plastic Substances 0.000 title claims abstract description 15
- 229920003023 plastic Polymers 0.000 title claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000004513 sizing Methods 0.000 abstract description 8
- 238000001746 injection moulding Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1671—Making multilayered or multicoloured articles with an insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14131—Positioning or centering articles in the mould using positioning or centering means forming part of the insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a double-color injection mold of a plastic-coated rotor, which has high yield and good precision, and comprises a bottom plate, wherein a group of sizing blocks, a lower mounting plate, an upper mounting plate, a lower die plate and an upper die plate are sequentially arranged on the bottom plate, a supporting plate is movably arranged in the upper mounting plate, a lower die core is movably arranged in the lower die plate, a lower die core fixedly connected with the supporting plate is movably arranged in the lower die core, an auxiliary push plate is movably arranged in the middle of the lower mounting plate, a mechanism for driving the auxiliary push plate to move in the vertical direction is arranged in the lower mounting plate, a base is fixedly arranged in the auxiliary push plate, a plurality of interval molding blocks for molding the bottom surface of an interval column in a workpiece are arranged on the base, a middle molding core rod is vertically and fixedly arranged on the lower mounting plate, an upper die core is arranged at the bottom of the upper die plate, a side molding part, be equipped with the spring that pushes away the backup pad in the spring mounting groove, vertical fixed being equipped with returns the pole in the backup pad that resets.
Description
Technical Field
The invention relates to a hot runner injection mold, in particular to a plastic-coated rotor double-color injection mold.
Background
The motor rotor comprises an inner iron core and an outer iron core, a plurality of plastic spacing columns are circumferentially arranged between the inner iron core and the outer iron core, and after injection molding, rubber is injected on the end faces of two ends to form rubber end plates so as to relieve vibration and reduce noise in the use process. When traditional rotor injection molding is processed, adopt two sets of moulds, accomplish injection molding in first set of mould earlier, accomplish the processing that the terminal surface was annotated rubber in transferring the work piece to second set of mould again, this kind of processing mode once machining precision is not high, secondly in order to avoid the overlap burr, the die cavity of second set of mould needs to be very high with the work piece laminating degree, nevertheless often causes the work piece pressurized for the part of moulding plastics appears the situation of microcrack, causes the work piece to scrap.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the plastic-coated rotor double-color injection mold is efficient in production, high in yield and good in precision.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a double-color injection mold for a plastic-coated rotor comprises a horizontally arranged bottom plate, wherein a top roller hole is formed in the middle of the bottom plate, a group of sizing blocks are fixedly arranged on two sides of the bottom plate in parallel, a push plate is movably arranged between the sizing blocks on the bottom plate, a push plate is arranged on the push plate, a lower mounting plate is arranged on the sizing blocks, an upper mounting plate is arranged on the lower mounting plate, a supporting plate is movably arranged in the upper mounting plate, a lower template is arranged on the upper mounting plate, a lower mold core used for forming an outer ring at the bottom of a workpiece is arranged in the lower template, a hollow lower mold core used for supporting the bottom surface of the iron core in the;
an auxiliary push plate is movably arranged in the middle of the lower mounting plate, two sides of the bottom of the auxiliary push plate are respectively provided with a wedge surface, oil cylinders are respectively arranged on the two sides of the auxiliary push plate on the lower mounting plate, a sliding block is fixedly arranged at the end part of a piston rod of each oil cylinder, one end of each sliding block, close to the auxiliary push plate, is provided with a matched wedge surface, one end of each sliding block is movably embedded between the lower mounting plate and the auxiliary push plate, and the sliding block moves to drive the auxiliary push plate to move in the vertical; a base is fixedly arranged in the auxiliary push plate, a plurality of interval forming blocks which are positioned on the bottom surfaces of the interval columns between the outer iron cores and the inner iron cores on the forming workpieces are arranged on the base, and the interval forming blocks sequentially and movably penetrate through the auxiliary push plate, the upper mounting plate, the supporting plate and the lower die core;
a middle forming core rod is vertically and fixedly arranged on the lower mounting plate, and the middle forming core rod sequentially and movably penetrates through the auxiliary push plate, the upper mounting plate, the supporting plate and the lower die core; an upper template is horizontally arranged on the lower template, an upper mold core is arranged at the bottom of the upper template, a plurality of forming grooves on the top surfaces of the spacing posts on the formed workpiece and side forming parts on the outer side surfaces of the formed spacing posts are arranged on the upper mold core, and a plurality of outer core rods matched with the shapes of the inner cavities of the spacing posts are also arranged on the upper mold core; the side surface of the lower mold core is provided with a plurality of through avoiding grooves matched with the side forming parts; a lower mold core sleeve matched with the periphery of a finished product is fixedly arranged between the upper mold core and the lower mold core, and the upper mold core, the lower mold core sleeve, the lower mold core, the interval forming blocks, the outer core rod and the middle forming core rod form a mold cavity together;
a vertical spring mounting groove is formed in the upper mounting plate below the supporting plate, a spring pushing against the supporting plate is arranged in the spring mounting groove, a return resetting rod is vertically and fixedly arranged on the supporting plate, the return resetting rod movably penetrates through the lower template in a free state, a corresponding avoidance hole is formed in the upper template, and the length of the return resetting rod penetrating through the lower template is equal to the distance from the lower surface of the iron core to the lower surface of the finished rubber end plate of the workpiece; the upper die plate is provided with a runner lining plate, a runner plate is arranged in the runner lining plate, and an injection mechanism for guiding materials into the die cavity is fixedly arranged below the runner plate.
As a preferable scheme, a plurality of positioning rotation stopping rods which respectively extend into the inner iron core and the outer iron core to prevent the inner iron core and the outer iron core from rotating are arranged on the base.
As a preferable scheme, the injection mechanism is a needle valve type nozzle, a top plate is arranged on the flow channel lining plate, a main nozzle is arranged in the middle of the top plate, the bottom of the main nozzle is communicated with a flow channel in the flow channel plate, and air cylinders connected with a valve core of the needle valve type nozzle and used for controlling the opening and closing of the valve core are fixedly arranged on two sides of the main nozzle on the top plate.
As an optimal scheme, ejector pins used for jacking a workpiece during demolding are vertically and fixedly arranged on the pushing and covering plate, and the ejector pins sequentially and movably penetrate through the push plate, the lower mounting plate, the auxiliary push plate, the upper mounting plate, the supporting plate and the lower mold core.
The invention has the beneficial effects that: this mould once moulds plastics and accomplishes the back, and the lower mould can rotate the injecting glue and go up the mould below and carry out the rubber injecting glue operation, and whole flow adopts the structure of two sets of moulds of lower mould cooperation, need not to lay again in another lower mould after taking out the work piece, and the shaping precision is high, and the laminating degree of the part of moulding plastics and lower mould is good, in the time of easy operation, greatly reduced the rejection rate, and machining efficiency is high.
Because be equipped with a plurality of location detent levers that stretch into in interior iron core and the outer iron core respectively in order to prevent its pivoted on the base, prevent that interior iron core or outer iron core from rotating at the in-process of moulding plastics, further guarantee product quality.
Because the injection mechanism is a needle valve type nozzle, the top plate is arranged on the flow channel lining plate, the main nozzle is arranged in the middle of the top plate, the bottom of the main nozzle is communicated with the flow channel in the flow channel plate, and air cylinders which are connected with a valve core of the needle valve type nozzle and used for controlling the on-off of the valve core are fixedly arranged on two sides of the main nozzle on the top plate, so that the injection mechanism is compact in structure, the injection pressure of materials can be increased, and the flowability of the materials.
Drawings
Fig. 1 is a main sectional structural schematic diagram of the present invention.
Fig. 2 is a side sectional structural schematic of the present invention.
Fig. 3 is a schematic view of the outer core portion of a workpiece produced in accordance with the present invention.
FIG. 4 is a schematic view of the workpiece after one-shot injection molding by the mold of the present invention.
Fig. 5 is a schematic perspective view of a workpiece produced by the present invention.
FIG. 6 is a schematic perspective view of another angle of a workpiece produced by the present invention.
In fig. 1 to 2: 1. the novel hydraulic forming machine comprises a base plate, 2 parts of top roller holes, 3 parts of sizing blocks, 4 parts of push plates, 5 parts of push plates, 6 parts of lower mounting plates, 7 parts of springs, 8 parts of auxiliary push plates, 9 parts of oil cylinders, 10 parts of sliding blocks, 11 parts of upper mounting plates, 12 parts of supporting plates, 13 parts of return rods, 14 parts of lower die plates, 15 parts of lower die cores, 16 parts of bases, 17 parts of middle forming core rods, 18 parts of upper die plates, 19 parts of upper die cores, 20 parts of lower die cores, 21 parts of lower die core sleeves, 22 parts of rotation stopping rods, 23 parts of interval forming blocks, 24 parts of outer core rods, 25 parts of main nozzles, 26 parts of air cylinders, 27 parts of needle valve type nozzles, 28 parts of top plates, 29 parts of runner lining plates, 30 parts of ejector pins and 31 parts of.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-2, a plastic-coated rotor double-color injection mold comprises a bottom plate 1 which is horizontally arranged, a top roller hole 2 is formed in the middle of the bottom plate 1, a group of sizing blocks 3 are fixedly arranged on two sides of the bottom plate 1 in parallel, a push plate 4 is movably arranged between the sizing blocks 3 on the bottom plate 1, a push plate 5 is arranged on the push plate 4, a lower mounting plate 6 is arranged on the sizing block 3, an upper mounting plate 11 is arranged on the lower mounting plate 6, a support plate 12 is movably arranged in the upper mounting plate 11, a lower plate 14 is arranged on the upper mounting plate 11, a lower mold core 20 for forming an outer ring at the bottom of a workpiece is arranged in the lower plate 14, a hollow lower mold core 15 for supporting the bottom surface of the iron core in the workpiece is movably arranged;
an auxiliary push plate 8 is movably arranged in the middle of the lower mounting plate 6, two sides of the bottom of the auxiliary push plate 8 are respectively provided with a wedge surface, two sides of the auxiliary push plate 8 are respectively provided with an oil cylinder 9 on the lower mounting plate 6, the end part of a piston rod of the oil cylinder 9 is fixedly provided with a slide block 10, one end of the slide block 10 close to the auxiliary push plate 8 is provided with a matched wedge surface, one end of the slide block 10 is movably embedded between the lower mounting plate 6 and the auxiliary push plate 8, and the slide block 10 moves to drive the auxiliary push plate 8 to move in the vertical direction for; a base 16 is fixedly arranged in the auxiliary push plate 8, a plurality of interval forming blocks 23 which are positioned on the bottom surfaces of the interval columns between the outer iron cores and the inner iron cores on the forming workpieces are arranged on the base 16, the interval forming blocks 23 penetrate through the auxiliary push plate 8, the upper mounting plate 11, the supporting plate 12 and the lower die core 15 in a movable mode in sequence, and a plurality of positioning rotation stopping rods 22 which extend into the inner iron cores and the outer iron cores respectively and prevent the outer iron cores from rotating are arranged on the base 16.
The ejector pin 30 used for jacking the workpiece during demoulding is vertically and fixedly arranged on the push-coating plate 4, and the ejector pin 30 sequentially and movably penetrates through the push plate 5, the lower mounting plate 6, the auxiliary push plate 8, the upper mounting plate 11, the supporting plate 12 and the lower mold core 20.
A middle forming core rod 17 is vertically and fixedly arranged on the lower mounting plate 6, and the middle forming core rod 17 sequentially and movably penetrates through the auxiliary push plate 8, the upper mounting plate 11, the supporting plate 12 and the lower die core 15; an upper template 18 is horizontally arranged on the lower template 14, an upper mold core 19 is arranged at the bottom of the upper template 18, a plurality of forming grooves on the top surfaces of the spacing columns on the formed workpiece and side forming parts on the outer side surfaces of the formed spacing columns are arranged on the upper mold core 19, and a plurality of outer core rods 24 matched with the shapes of the inner cavities of the spacing columns are arranged on the upper mold core 19; the side surface of the lower mold core 15 is provided with a plurality of through avoiding grooves matched with the side forming parts; a lower mold core sleeve 21 matched with the periphery of a finished product is fixedly arranged between the upper mold core 19 and the lower mold core 20, and the upper mold core 19, the lower mold core 20, the lower mold core sleeve 21, the lower mold core 15, the interval forming block 23, the outer core rod 24 and the middle forming core rod 17 form a mold cavity together;
a vertical spring 7 mounting groove is formed in the upper mounting plate 11 below the support plate 12, a spring 7 pushing against the support plate 12 is arranged in the spring 7 mounting groove, a return rod 13 is vertically and fixedly arranged on the support plate 12, the return rod 13 movably penetrates through the lower template 14 in a free state, a corresponding avoidance hole is formed in the upper template 14, and the length of the return rod 13 penetrating through the lower template 14 is equal to the distance from the lower surface of the iron core to the lower surface of the finished rubber end plate of the workpiece;
the upper template 18 is provided with a runner lining plate 29, a runner plate 31 is arranged in the runner lining plate 29, and an injection mechanism for guiding materials into the mold cavity is fixedly arranged below the runner plate 31. The injection mechanism is a needle valve type nozzle 27, a top plate 28 is arranged on the flow channel lining plate 29, a main nozzle 25 is arranged in the middle of the top plate 28, the bottom of the main nozzle 25 is communicated with a flow channel in the flow channel plate 31, and air cylinders 26 which are connected with a valve core of the needle valve type nozzle 27 and control the opening and closing of the valve core are fixedly arranged on two sides of the main nozzle 25 on the top plate 28.
The working principle is as follows: during one-time injection molding, the oil cylinder 9 drives the sliding block 10 to move inwards to drive the auxiliary push plate 8, the base 16 and the interval forming block 23 to move upwards, and due to the action of the oil cylinder 9 and the sliding block 10, the positions of the auxiliary push plate 8 and the interval forming block 23 are locked to ensure that the auxiliary push plate and the interval forming block do not fall down, the supporting plate 12 is located at the highest position under the action of the spring 7, and the lower die core 15 pushes against the lower surface of the iron core; the side forming part of the outer side surface of the forming spacing column on the upper die core 19 and the outer core rod 24 are inserted into a workpiece; the interval forming block 23, the upper mold core 19, the side forming part, the outer core rod 24 and the outer iron core form a forming cavity of the interval column, and the upper mold core 19, the lower mold core 20, the lower mold core sleeve 21 and the lower mold core 15 form the rest part of a one-step forming mold cavity together; injecting plastic to finish one-time injection molding;
then the oil cylinder 9 drives the sliding block 10 to move outwards, so that the auxiliary push plate 8, the base 16 and the spacing forming block 23 fall back under the action of gravity, and the falling distance is equal to the thickness of a rubber plate at the end part of a finished workpiece; the upper glue injection mould in the next process can forcibly push down the relevant part of the support plate 12 by the aid of the resetting return rod 13 of the auxiliary push plate 8, the support plate 12 drives the lower mould core 15 to move downwards for a length equal to the distance from the lower surface of the iron core to the lower surface of the finished product rubber end plate of the workpiece, and the top surfaces of the interval forming blocks 23 are flush with the top surface of the lower mould core 15 to form a forming surface for forming the lower rubber end plate in the next glue injection process; thereby, when the injected rubber is used for forming the upper rubber end plate, part of the injected rubber flows into the lower part through the gap between the outer iron core and the inner iron core in the workpiece, and the lower rubber end plate is formed at the same time.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, not restrictive; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (3)
1. The utility model provides a double-colored injection mold of rotor is moulded to package, includes the bottom plate that the level set up, and the top roll hole has been seted up at the bottom plate middle part, and both sides are fixed side by side on the bottom plate and are equipped with a set of parallels, and the activity is equipped with between the parallels on the bottom plate and pushes away the shroud plate, pushes away to be equipped with the push pedal on the shroud plate, is equipped with down mounting panel, its characterized in: the lower mounting plate is provided with an upper mounting plate, a support plate is movably arranged in the upper mounting plate, a lower template is arranged on the upper mounting plate, a lower mold core for molding an outer ring at the bottom of the workpiece is arranged in the lower template, a hollow lower mold core for supporting the bottom surface of an iron core in the workpiece is movably arranged in the lower mold core, and the lower mold core is fixedly connected with the support plate;
an auxiliary push plate is movably arranged in the middle of the lower mounting plate, two sides of the bottom of the auxiliary push plate are respectively provided with a wedge surface, oil cylinders are respectively arranged on the two sides of the auxiliary push plate on the lower mounting plate, a sliding block is fixedly arranged at the end part of a piston rod of each oil cylinder, one end of each sliding block, close to the auxiliary push plate, is provided with a matched wedge surface, one end of each sliding block is movably embedded between the lower mounting plate and the auxiliary push plate, and the sliding block moves to drive the auxiliary push plate to move in the vertical; a base is fixedly arranged in the auxiliary push plate, a plurality of interval forming blocks which are positioned on the bottom surfaces of the interval columns between the outer iron cores and the inner iron cores on the forming workpieces are arranged on the base, and the interval forming blocks sequentially and movably penetrate through the auxiliary push plate, the upper mounting plate, the supporting plate and the lower die core;
a middle forming core rod is vertically and fixedly arranged on the lower mounting plate, and the middle forming core rod sequentially and movably penetrates through the auxiliary push plate, the upper mounting plate, the supporting plate and the lower die core; an upper template is horizontally arranged on the lower template, an upper mold core is arranged at the bottom of the upper template, a plurality of forming grooves on the top surfaces of the spacing posts on the formed workpiece and side forming parts on the outer side surfaces of the formed spacing posts are arranged on the upper mold core, and a plurality of outer core rods matched with the shapes of the inner cavities of the spacing posts are also arranged on the upper mold core; the side surface of the lower mold core is provided with a plurality of through avoiding grooves matched with the side forming parts; a lower mold core sleeve matched with the periphery of a finished product is fixedly arranged between the upper mold core and the lower mold core, and the upper mold core, the lower mold core sleeve, the lower mold core, the interval forming blocks, the outer core rod and the middle forming core rod form a mold cavity together;
a vertical spring mounting groove is formed in the upper mounting plate below the supporting plate, a spring pushing against the supporting plate is arranged in the spring mounting groove, a return resetting rod is vertically and fixedly arranged on the supporting plate, the return resetting rod movably penetrates through the lower template in a free state, a corresponding avoidance hole is formed in the upper template, and the length of the return resetting rod penetrating through the lower template is equal to the distance from the lower surface of the iron core to the lower surface of the finished rubber end plate of the workpiece; the upper die plate is provided with a runner lining plate, a runner plate is arranged in the runner lining plate, and an injection mechanism for guiding materials into the die cavity is fixedly arranged below the runner plate.
2. The plastic-coated rotor two-color injection mold according to claim 1, characterized in that: and a plurality of positioning rotation stopping rods which respectively extend into the inner iron core and the outer iron core and prevent the rotation of the inner iron core and the outer iron core are arranged on the base.
3. The plastic-coated rotor two-color injection mold according to claim 2, characterized in that: the injection mechanism is a needle valve type nozzle, a top plate is arranged on the flow channel lining plate, a main nozzle is arranged in the middle of the top plate, the bottom of the main nozzle is communicated with a flow channel in the flow channel plate, and air cylinders which are connected with a valve core of the needle valve type nozzle and used for controlling the opening and the closing of the needle valve type nozzle are fixedly arranged on two sides of the main nozzle on the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743024.9A CN110435091B (en) | 2019-08-13 | 2019-08-13 | Double-color injection mold for plastic-coated rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743024.9A CN110435091B (en) | 2019-08-13 | 2019-08-13 | Double-color injection mold for plastic-coated rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110435091A CN110435091A (en) | 2019-11-12 |
| CN110435091B true CN110435091B (en) | 2021-06-11 |
Family
ID=68434930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910743024.9A Active CN110435091B (en) | 2019-08-13 | 2019-08-13 | Double-color injection mold for plastic-coated rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110435091B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58181625A (en) * | 1982-04-16 | 1983-10-24 | Mitsubishi Electric Corp | Resin molding of follower magnet in magnet pump |
| CN1320997A (en) * | 2000-04-21 | 2001-11-07 | 三星光州电子株式会社 | Resin moulded brushless DC motor and mfg. method thereof |
| CN1353855A (en) * | 1999-04-12 | 2002-06-12 | 丰田自动车株式会社 | Product with conducting parts made of highly conductive resin, and method of manufacture thereof |
| CN104369317A (en) * | 2014-12-13 | 2015-02-25 | 大连銮艺精密模塑制造有限公司 | Bicolor die combined and formed by transparent part and non-transparent part |
| CN206099555U (en) * | 2016-10-21 | 2017-04-12 | 合肥旭弘塑胶制品有限公司 | Injection -molded rotor |
-
2019
- 2019-08-13 CN CN201910743024.9A patent/CN110435091B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58181625A (en) * | 1982-04-16 | 1983-10-24 | Mitsubishi Electric Corp | Resin molding of follower magnet in magnet pump |
| CN1353855A (en) * | 1999-04-12 | 2002-06-12 | 丰田自动车株式会社 | Product with conducting parts made of highly conductive resin, and method of manufacture thereof |
| CN1320997A (en) * | 2000-04-21 | 2001-11-07 | 三星光州电子株式会社 | Resin moulded brushless DC motor and mfg. method thereof |
| CN104369317A (en) * | 2014-12-13 | 2015-02-25 | 大连銮艺精密模塑制造有限公司 | Bicolor die combined and formed by transparent part and non-transparent part |
| CN206099555U (en) * | 2016-10-21 | 2017-04-12 | 合肥旭弘塑胶制品有限公司 | Injection -molded rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110435091A (en) | 2019-11-12 |
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Effective date of registration: 20240516 Address after: 230000 northeast corner of the intersection of Gunqiao Road and Leqiao Road in Gaoxin District, Lujiang County, Hefei City, Anhui Province Patentee after: Anhui Borui Precision Mold Co.,Ltd. Country or region after: China Address before: 215614 Xizhang beiente, Fenghuang Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: Zhangjiagang Better Plastic Magnet Tech Co.,Ltd. Country or region before: China |