CN208962354U - A kind of smooth molding injection mold - Google Patents
A kind of smooth molding injection mold Download PDFInfo
- Publication number
- CN208962354U CN208962354U CN201821557479.9U CN201821557479U CN208962354U CN 208962354 U CN208962354 U CN 208962354U CN 201821557479 U CN201821557479 U CN 201821557479U CN 208962354 U CN208962354 U CN 208962354U
- Authority
- CN
- China
- Prior art keywords
- rotary table
- thimble
- lower die
- fixed
- upper mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 18
- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 abstract description 12
- 239000004568 cement Substances 0.000 abstract description 9
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model system provides a kind of smooth molding injection mold, including the cope plate, upper die and lower die and lower template set gradually, it is equipped with the upper cavity and feed channel of connection in upper mold, is equipped with lower mode cavity in lower die, rotary table groove is equipped in lower mode cavity, the minor radius bottom surface of rotary table groove is located at bottom；Connection is erected by connection pillar between lower template and lower die, lower template has de- material cylinder, the output end of de- material cylinder passes through lower template and is fixed with top plate, thimble is fixed on top plate, thimble passes through lower die and reaches lower mode cavity, rotary table sprue is fixed at the top of thimble, the minor radius bottom surface of rotary table sprue is connect with thimble, rotary table sprue and rotary table matching grooves.Gap when the utility model can effectively eliminate injection molding between rotary table convex block and rotary table groove, the plastic cement that can avoid melting flows into rotary table groove, so as to effectively eliminate the shaped annular water gap of shaped article bottom, it can be ensured that the bottom surface of shaped article is smooth.
Description
Technical field
The utility model relates to injection mold fields, specifically disclose a kind of smooth molding injection mold.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Tool.The heated plastic cement melted injects die cavity by injection molding machine high pressure and obtains molded product after cooling and solidifying, and transports in industrial circle
With extremely wide.
Injection mold mainly includes upper die and lower die and ejecting structure, and ejecting structure is made of top plate and thimble, and upper mold is under
After mould merges, external injection molding machine is molded die cavity, and after the completion of injection molding, upper mold is detached from lower die, and ejecting structure produces molding
De- material is completed in product ejection.In injection moulding process, the top surface of thimble is located at the bottom surface of lower mode cavity, is equipped in lower die and moves up and down for thimble
Channel, the plastic cement of melting easily flows into the gap between thimble and channel, it is cooling after the bottom surface of shaped article will form protrusion
The annulus mouth of a river, it is poor quality.
Utility model content
Based on this, it is necessary to be directed to prior art problem, provide a kind of smooth molding injection mold, can effectively avoid
The plastic cement of melting flows into around thimble, can effectively ensure that the bottom surface of shaped article is smooth.
To solve prior art problem, the utility model discloses a kind of smooth molding injection mold, including sets gradually
Cope plate, upper die and lower die and lower template, the upper cavity and feed channel of connection are equipped in upper mold, is equipped with lower mode cavity in lower die, under
Rotary table groove is equipped in die cavity, the minor radius bottom surface of rotary table groove is located at bottom；
Connection is erected by connection pillar between lower template and lower die, lower template has de- material cylinder, de- material cylinder
Output end passes through lower template and is fixed with top plate, and thimble is fixed on top plate, and thimble passes through lower die and reaches lower mode cavity, the top of thimble
It is fixed with rotary table sprue, the minor radius bottom surface of rotary table sprue is connect with thimble, rotary table sprue and rotary table matching grooves.
Further, sealing ring is equipped in rotary table groove, sealing ring is arranged far from the minor radius bottom surface of rotary table groove.
Further, the bottom of upper mold is fixed with guide post, and lower die is equipped with guide groove, and guide post is matched with guide groove.
Further, the side of upper mold is equipped with and cuts cylinder, cuts in the output end insertion upper mold of cylinder, cuts cylinder
Output end is fixed with cutter seat, and cutter seat is slidably connected in upper mold, and cutter seat is fixed with far from the side for cutting cylinder and cuts
Blade, cutting blade run through the side wall of feed channel.
Further, the side wall of feed channel, which is equipped with, cuts notch, and the side of feed channel is equipped with block, cuts notch and block
It is matched with cutting blade, the top of block is connect by spring with upper mold, and spring is located at the top of cutter seat, and the bottom of block is set
There is a lower inclined plane, lower inclined plane is back to feed channel towards upper cavity.
Further, cutter seat connection cutting blade side top be equipped with ramp, ramp parallel with lower inclined plane
Match, the width of cutting blade is less than the diameter of feed channel.
The utility model has the following beneficial effects: the utility model discloses a kind of smooth molding injection mold, it is special to be arranged
Thimble structure, gap when can effectively eliminate injection molding between rotary table convex block and rotary table groove, can avoid melting plastic cement stream
Entering in rotary table groove, so as to effectively eliminate the shaped annular water gap of shaped article bottom, it can be ensured that the bottom surface of shaped article is smooth,
The quality for improving shaped article carries out the mouth of a river without the subsequent bottom surface to shaped article and cuts, can effectively simplify overall processing
Operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram when the utility model is opened de- material.
Fig. 2 is structural schematic diagram when the utility model molding is cut.
Fig. 3 is the structure enlargement diagram of the utility model A in Fig. 2.
Appended drawing reference are as follows: cope plate 10, upper mold 11, upper cavity 12, feeding-passage 13, cut notch 131, guide post 14, under
Template 20, de- material cylinder 201, lower die 21, lower mode cavity 22, rotary table groove 221, sealing ring 222, connection pillar 23, top plate 24, top
Needle 25, guide groove 27, cuts cylinder 30, cutting knife 31, ramp 311, cutting blade 32, baffle 33, lower inclined plane at rotary table sprue 26
331, spring 34.
Specific embodiment
For the feature, technological means and specific purposes achieved, function that can further appreciate that the utility model, below
The utility model is described in further detail in conjunction with attached drawing and specific embodiment.
Referring to figs. 1 to Fig. 3.
The utility model embodiment discloses a kind of smooth molding injection mold, including set gradually cope plate 10, on
Mould 11, lower die 21 and lower template 20, the interior upper cavity 12 and feed channel 13 for being equipped with connection of upper mold 11, lower die 21 is interior to be equipped with lower mode cavity
22, lower mode cavity 22 is interior to be equipped with rotary table groove 221, and the minor radius bottom surface of rotary table groove 221 is located at bottom；
Connection is erected by connection pillar 23 between lower template 20 and lower die 21, i.e., is equipped between lower template 20 and lower die 21
Spacing, lower template 20 have de- material cylinder 201, and the output end of de- material cylinder 201 passes through lower template 20 and is fixed with top plate 24, pushes up
Plate 24 is located in lower template 20, and thimble 25 is fixed on top plate 24, and thimble 25 passes through lower die 21 and reaches lower mode cavity 22, thimble 25
Top is fixed with rotary table sprue 26, and the minor radius bottom surface of rotary table sprue 26 is connect with thimble 25, rotary table sprue 26 and rotary table groove
221 matchings, rotary table convex block 26 and rotary table groove 221 matching of inverted round table shape, can effectively improve rotary table sprue 26 to rotary table
The blocking effect of groove 221.
The working process of the utility model is as follows: when molding, de- material cylinder 201 drives thimble 25 to decline by top plate 24, circle
The pushing of platform sprue 26 is jammed in rotary table groove 221, and melt plastic cement in injection moulding process can effectively be avoided to flow into rotary table groove
221, so that it is guaranteed that the defects of the bottom surface Glabrous side of shaped article, the mouth of a river；When die sinking, de- material cylinder 201 passes through top plate 24
Thimble 25 is driven to rise, rotary table sprue 26 climbs away rotary table groove 221, and shaped article is ejected and completes de- material.
Special thimble structure is arranged in the utility model, when can effectively eliminate injection molding between rotary table convex block and rotary table groove
Gap, can avoid melting plastic cement flow into rotary table groove in, so as to effectively eliminate the shaped annular water gap of shaped article bottom,
It can ensure that the bottom surface of shaped article is smooth, improve the quality of shaped article, carry out the mouth of a river without the subsequent bottom surface to shaped article
It cuts, can effectively simplify the operation of overall processing.
In the present embodiment, sealing ring 222 is equipped in rotary table groove 221, sealing ring 222 is small far from rotary table groove 221
The setting of radius bottom surface, i.e., sealing ring 222 is located at the position that 221 top of rotary table groove is connected with 222 bottom surface of lower mode cavity, rotary table sprue
26 squeeze sealing ring 222 after being pressed into rotary table groove 221, and sealing ring 222 can effectively improve rotary table sprue 26 and rotary table groove
221 pressing obturation effect can further avoid the plastic cement melted when injection molding and flow into.
In the present embodiment, the bottom of upper mold 11 is fixed with guide post 14, and lower die 21 is equipped with guide groove 27, guide post 14 and guide groove
27 matchings can effectively limit the movement that upper mold 11 is pressed into lower die 21, improve the stability of molar behavior.
In the present embodiment, the side of upper mold 11 is equipped with and cuts cylinder 30, cuts the output end insertion upper mold 11 of cylinder 30
Interior, the output end for cutting cylinder 30 is fixed with cutter seat 31, and cutter seat 31 is slidably connected in upper mold 11, and cutter seat 31 is far from sanction
The side for cutting cylinder 30 is fixed with cutting blade 32, and cutting blade 32 runs through the side wall of feed channel 13, is equipped in upper mold 11 for cutting out
Cut the bit space that allows of 30 output end of cylinder, cutter seat 31 and the movement of cutting blade 32.The driving of cylinder 30 is cut after the completion of injection molding to cut
Tool apron 31 and cutting blade 32 are moved to feed channel 13, and the gate waste in feed channel 13 is cut off and produced in molding by cutting blade 32
Product carry out die sinking de- material again after the completion, can effectively improve overall processing efficiency, and following process is not necessarily to the mouth of a river to shaped article
Waste material is cut off.
Based on the above embodiment, the side wall of feed channel 13, which is equipped with, cuts notch 131, and the side of feed channel 13 is equipped with block
33, it cuts notch 131 and is matched with block 33 and cutting blade 32, the top of block 33 is connect by spring 34 with upper mold 11, bullet
Spring 34 is located at the top of cutter seat 31, and the bottom of block 33 is equipped with lower inclined plane 331, and lower inclined plane 331 is back to the court simultaneously of feed channel 13
To upper cavity 12, it is again provided in upper mold 11 and allows bit space for block 33 and the movement of spring 34.When injection molding, block 33 will cut out
Incised notch mouth 131 all blocks, and prevents melt plastic cement from flowing into the positions such as cutter seat 31；After injection molding, cuts the driving of cylinder 30 and cut out
32 tangential admission road 13 of cutting edge, cutting blade 32 pass through when cutting notch 131, by the effect of lower inclined plane 331 by block 33
Top upwards, block 33 are the resigning of cutting blade 32, it is ensured that cutting blade 32 can smoothly cut gate waste.
Based on the above embodiment, the top that cutter seat 31 connects 32 side of cutting blade is equipped with ramp 311, ramp
311 are less than the diameter of feed channel 13 with 331 parallel matched of lower inclined plane, the width of cutting blade 32, i.e. cutting blade 32 is cut completely
When disconnected gate waste, cutter seat 31 can equally enter in feed channel 13, and ramp 311 cooperates the effect of lower inclined plane 331, can make
The movement of block 33 is more smooth, while cutting blade 32 cuts gate waste, cutter seat 31 gradually from cut notch 131 enter
Feed channel 13, ramp 311 can push gate waste to move upwards, so as to effectively ensure gate waste can be detached from
The connection of 13 side wall of feed channel, after the completion of cutting, cutter seat 31 and cutting blade 32 reset, and gate waste can fall automatically,
Without manual cleaning.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of smooth molding injection mold, including cope plate (10), upper mold (11), lower die (21) and the lower die set gradually
Plate (20), which is characterized in that the upper cavity (12) and feed channel (13) of connection, the lower die (21) are equipped in the upper mold (11)
It is interior to be equipped with lower mode cavity (22), rotary table groove (221) are equipped in the lower mode cavity (22), the minor radius of the rotary table groove (221)
Bottom surface is located at bottom；
Connection is erected by connection pillar (23) between the lower template (20) and the lower die (21), under the lower template (20)
Equipped with de- material cylinder (201), the output end of the de- material cylinder (201) passes through the lower template (20) and is fixed with top plate (24),
It is fixed with thimble (25) on the top plate (24), the thimble (25) passes through the lower die (21) and reaches lower mode cavity (22), described
It is fixed at the top of thimble (25) rotary table sprue (26), the minor radius bottom surface and the thimble (25) of the rotary table sprue (26) are even
It connects, the rotary table sprue (26) matches with the rotary table groove (221).
2. a kind of smooth molding injection mold according to claim 1, which is characterized in that the rotary table groove (221)
Interior to be equipped with sealing ring (222), the sealing ring (222) is arranged far from the minor radius bottom surface of the rotary table groove (221).
3. a kind of smooth molding injection mold according to claim 1, which is characterized in that the bottom of the upper mold (11)
It is fixed with guide post (14), the lower die (21) is equipped with guide groove (27), and the guide post (14) matches with the guide groove (27).
4. a kind of smooth molding injection mold according to claim 1, which is characterized in that the side of the upper mold (11)
Equipped with cutting cylinder (30), the output end for cutting cylinder (30) is inserted into the upper mold (11), described to cut cylinder (30)
Output end be fixed with cutter seat (31), the cutter seat (31) is slidably connected in the upper mold (11), the cutter seat
(31) it is fixed with cutting blade (32) far from the side for cutting cylinder (30), the cutting blade (32) runs through the charging
The side wall in road (13).
5. a kind of smooth molding injection mold according to claim 4, which is characterized in that the side of the feed channel (13)
Wall is equipped with and cuts notch (131), and the side of the feed channel (13) is equipped with block (33), it is described cut notch (131) with it is described
Block (33) and the cutting blade (32) matching, the top of the block (33) are connected by spring (34) and the upper mold (11)
It connects, the spring (34) is located at the top of the cutter seat (31), and the bottom of the block (33) is equipped with lower inclined plane (331), institute
Lower inclined plane (331) is stated back to the feed channel (13) towards the upper cavity (12).
6. a kind of smooth molding injection mold according to claim 5, which is characterized in that cutter seat (31) connection
The top of cutting blade (32) side is equipped with ramp (311), and the ramp (311) and the lower inclined plane (331) are flat
Row matching, the width of the cutting blade (32) are less than the diameter of the feed channel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821557479.9U CN208962354U (en) | 2018-09-21 | 2018-09-21 | A kind of smooth molding injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821557479.9U CN208962354U (en) | 2018-09-21 | 2018-09-21 | A kind of smooth molding injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208962354U true CN208962354U (en) | 2019-06-11 |
Family
ID=66757100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821557479.9U Expired - Fee Related CN208962354U (en) | 2018-09-21 | 2018-09-21 | A kind of smooth molding injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208962354U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927846A (en) * | 2021-10-27 | 2022-01-14 | 永州精智电子科技有限公司 | Make things convenient for mould for transformer production of drawing of patterns |
| CN113927845A (en) * | 2021-10-27 | 2022-01-14 | 永州精智电子科技有限公司 | Automatic demoulding device for transformer |
| CN115122601A (en) * | 2022-08-31 | 2022-09-30 | 苏州华纳精密模具有限公司 | Injection mold for automobile structural part |
-
2018
- 2018-09-21 CN CN201821557479.9U patent/CN208962354U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927846A (en) * | 2021-10-27 | 2022-01-14 | 永州精智电子科技有限公司 | Make things convenient for mould for transformer production of drawing of patterns |
| CN113927845A (en) * | 2021-10-27 | 2022-01-14 | 永州精智电子科技有限公司 | Automatic demoulding device for transformer |
| CN115122601A (en) * | 2022-08-31 | 2022-09-30 | 苏州华纳精密模具有限公司 | Injection mold for automobile structural part |
| CN115122601B (en) * | 2022-08-31 | 2023-01-24 | 苏州华纳精密模具有限公司 | Injection mold for automobile structural part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |