CN211763198U - Injection mold for shell plastic part - Google Patents
Injection mold for shell plastic part Download PDFInfo
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- CN211763198U CN211763198U CN201922457478.8U CN201922457478U CN211763198U CN 211763198 U CN211763198 U CN 211763198U CN 201922457478 U CN201922457478 U CN 201922457478U CN 211763198 U CN211763198 U CN 211763198U
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Abstract
The utility model discloses a casing is moulded a plastic injection mold, including the movable mould board, the fixed die plate, the cover half is inserted and the movable mould is inserted, fixed connection is inserted to the movable mould side on the movable mould board, fixed connection is inserted at the fixed die plate downside to the cover half, fixedly connected with guide pillar on the movable mould board, in the guide pin bushing of installation on the guide pillar inserts the fixed die plate, the movable mould board is through the cushion fixed connection of bisymmetry on the movable mould bedplate, fixed die plate fixed connection is on the cover half bedplate, four sides have set gradually oblique guide pillar between movable mould board and the fixed die plate and have taken out core mechanism one, oblique guide pillar mechanism two of taking out core, oblique guide pillar mechanism three and oblique guide pillar. The mould of the utility model ensures that the mechanisms do not interfere with each other, and realizes smooth demoulding of the FHB5.20 shell; the die has the advantages of compact structure, stable work, greatly shortened manufacturing period, reduced production cost while reaching the production and use standards, uniform internal cooling, avoidance of warping deformation of the plastic part and improvement of die forming quality.
Description
Technical Field
The utility model relates to a casing is moulded a plastic injection mold belongs to injection mold technical field.
Background
FHB5.20 casing plastic is an important component of some electric appliance casings. The FHB5.20 shell plastic part is a small injection molding thin-wall part, the basic size of the plastic part is 66.4mm x 20mm x16.2mm, and the three-axis drawing and the various views are shown in the figure. The plastic part has a relatively complex structure, and the interior of the plastic part contains multiple molding characteristics such as multiple holes, deep grooves, lateral bosses and the like, so that side core pulling needs to be considered; the plastic part has 3 parts needing core pulling, and grooves formed by the plastic part and the right end cavity, the middle irregular boss and the left end cylindrical boss of the plastic part are respectively arranged on the plastic part and marked as figure 1. The maximum wall thickness of the plastic part is 4.9mm, the average wall thickness is 1.27mm, and the plastic part belongs to an injection molding part with uneven wall thickness; the FHB5.20 shell plastic part is made of PA66 material, and has the advantages of high strength, good mechanical property, tensile strength, compression resistance and wear resistance. The part is produced in large batch, and in order to ensure the precision and the economic benefit of the plastic part, one-mold two-cavity molding is adopted. The volume of a single plastic part is 5062.82mm3The total volume of plastic required for one injection is 15.2cm3Therefore, an SZ-25/20 screw type injection molding machine was selected. Simultaneously in order to guarantee to mould a smooth drawing of patterns, need guarantee certain draft, the draft of this design is 1, moulds a corner and carries out the chamfer and handle, and this precision requirement of moulding is MT3, and the surface quality requirement of moulding is higher.
The existing FHB5.20 shell mold is complex in structural design, long in production period, high in cost and unstable in work. The existing FHB5.20 shell mold is uneven in cooling, so that a produced plastic part is easy to generate warping deformation, and the quality of the mold is affected.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the utility model provides a casing is moulded a ware injection mold to solve the problem that exists among the above-mentioned prior art.
The utility model discloses the technical scheme who takes does: a shell plastic part injection mold comprises a movable mold plate, a fixed mold insert and a movable mold insert, wherein the movable mold insert is fixedly connected to the upper side surface of the movable mold plate, the fixed mold insert is fixedly connected to the lower side surface of the fixed mold plate, a guide pillar is fixedly connected to the movable mold plate and inserted into a guide sleeve arranged on the fixed mold plate, the movable mold plate is fixedly connected to a movable mold base plate through two symmetrical cushion blocks, the fixed mold plate is fixedly connected to a fixed mold base plate, a cavity between the fixed mold insert and the movable mold insert is communicated with a horizontal runner which is communicated with a sprue bush through a main runner, four sides between the movable mold plate and the fixed mold plate are sequentially provided with a first inclined guide pillar core-pulling mechanism, a second inclined guide pillar core-pulling mechanism, a third inclined guide pillar core-pulling mechanism and a fourth inclined guide pillar core-pulling mechanism, the movable mold insert, the first inclined guide pillar core-pulling mechanism, the second inclined guide pillar core-pulling mechanism, the first inclined guide post core-pulling mechanism and the third inclined guide post core-pulling mechanism are respectively positioned on the side surfaces of the two casting shell plastic parts, and the second inclined guide post core-pulling mechanism and the fourth inclined guide post core-pulling mechanism are respectively positioned on two end surfaces of the casting shell plastic parts.
Preferably, above-mentioned a casing is moulded a plastic injection mold and is still including installing the liftout mechanism on the movable mould board, liftout mechanism includes the push pedal, push rod and drawing material pole, the push rod sets up many, many push rod fixed connection just correspond a plurality of liftout through-holes of position on movable mould board and the movable mould insert on the push rod fixed plate, drawing material pole fixed connection just correspond a plurality of drawing material through-holes of position on movable mould board and the movable mould insert at push rod fixed plate center, push rod fixed plate fixed connection is in the push pedal, the vertical release link of fixedly connected with on the push rod fixed plate, the last guiding hole of movable mould board is inserted in to the activity of release link upper end, reset spring has been cup jointed on the release link, reset spring is located between the movable mould board push rod fixed plate, the movable mould bedplate.
Preferably, the first inclined guide post core-pulling mechanism and the third inclined guide post core-pulling mechanism are the same in structure and are arranged in an axial symmetry manner, and the second inclined guide post core-pulling mechanism and the fourth inclined guide post core-pulling mechanism are the same in structure and are arranged in an axial symmetry manner.
Preferably, the first inclined guide pillar core pulling mechanism and the third inclined guide pillar core pulling mechanism respectively comprise a first pressing block, a first sliding block and a first inclined guide pillar, one end of the first sliding block movably extends into a position between the fixed die insert and the movable die insert, a formed convex strip is arranged on the end face of the first sliding block, the first inclined guide pillar is obliquely and movably inserted into the other end of the first sliding block, the first inclined guide pillar and the first pressing block are fixedly connected to the fixed die plate, a locking slope surface is arranged on the lower side of the left end of the first pressing block, the locking slope surface abuts against a slope surface at the outer end of the first sliding block at the same angle, the first sliding block.
Preferably, the first inclined guide pillar core pulling mechanism and the third inclined guide pillar core pulling mechanism both further comprise a first limit screw and a first limit block, the cross section of the first limit block is of an L-shaped structure, the horizontal free end part of the lower end of the first limit screw is fixedly connected to the outer end face of the movable template, the first limit screw movably penetrates through the upper end of the first limit block and then is connected to the outer end of the first slide block, a first limit spring is sleeved on the first limit screw, and the first limit spring is located between the large end of the first limit screw and the first limit block.
Preferably, the second inclined guide pillar core pulling mechanism and the fourth inclined guide pillar core pulling mechanism both adopt two side-by-side inclined guide pillar core pulling structures with different sizes, each inclined guide pillar core pulling structure comprises a second pressing block, a second sliding block and a second inclined guide pillar, one end of the second sliding block movably extends into a position between the fixed die insert and the movable die insert, a formed convex strip is arranged on the end surface of the second sliding block, the second inclined guide pillar is obliquely and movably inserted into the other end of the second sliding block, the second inclined guide pillar and the second pressing block are fixedly connected to the fixed die plate, the locking slope surface is arranged on the lower side of the left end of the second pressing block, the locking slope surface abuts against the slope surface at the outer end of the second sliding block.
Preferably, the second inclined guide pillar core pulling mechanism and the fourth inclined guide pillar core pulling mechanism both further comprise a second limit screw and a second limit block, the section of the second limit block is of an L-shaped structure, the horizontal free end part of the lower end of the second limit block is fixedly connected to the outer end face of the movable template, the second limit screw movably penetrates through the upper end of the second limit block and then is connected to the outer end of the sliding block, a second limit spring is sleeved on the second limit screw, and the second limit spring is located between the big end of the second limit screw and the second limit block.
Preferably, the fixed die insert and the movable die insert are provided with cooling channels.
The utility model has the advantages that: compared with the prior art, the mould of the utility model ensures that the mechanisms do not interfere with each other, and realizes smooth demoulding of the FHB5.20 shell; the die has the advantages of compact structure, stable work, greatly shortened manufacturing period, reduced production cost while reaching the production and use standards, uniform internal cooling, avoidance of easy generation of warping deformation of a plastic part, and improvement of influence on die forming quality.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of B-B of FIG. 1;
FIG. 4 is a schematic perspective view of the housing molding;
FIG. 5 is a schematic top view of the housing molding;
FIG. 6 is a left side view of the housing molding;
FIG. 7 is a front view of the housing molding;
fig. 8 is a schematic diagram of the arrangement structure of the internal components of the present invention (the movable die plate, the fixed die insert, the movable die insert, etc. are removed).
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 1-3 and 8, a housing plastic part injection mold comprises a movable mold plate 5, a fixed mold plate 10, a fixed mold insert 26 and a movable mold insert 27, wherein the movable mold insert 27 is fixedly connected to the upper side surface of the movable mold plate 5 through a fifth screw 29, the fixed mold insert 26 is fixedly connected to the lower side surface of the fixed mold plate 10 through a fourth screw 28, a guide post 12 is fixedly connected to the movable mold plate 5, the guide post 12 is inserted into a guide sleeve 13 mounted on the fixed mold plate 10, the movable mold plate 5 is fixedly connected to a movable mold base plate 1 through two symmetrical cushion blocks 2, a third screw 21 penetrates through the movable mold base plate 1 and the cushion block 2 to be connected to the movable mold plate 5, the fixed mold plate 10 is fixedly connected to a fixed mold base plate 11, a cavity between the fixed mold insert 26 and the movable mold insert 27 is communicated with a horizontal runner 16, the horizontal runner 16 is communicated with a sprue bush 15 through a main, the four sides between the movable mould plate 5 and the fixed mould plate 10 are sequentially provided with a first inclined guide post core pulling mechanism, a second inclined guide post core pulling mechanism, a third inclined guide post core pulling mechanism and a fourth inclined guide post core pulling mechanism, the fixed mould insert 26, the movable mould insert 27, the first inclined guide post core pulling mechanism, the second inclined guide post core pulling mechanism, the third inclined guide post core pulling mechanism and the fourth inclined guide post core pulling mechanism jointly form a pouring cavity of the two casing plastic parts, the first inclined guide post core pulling mechanism and the third inclined guide post core pulling mechanism are respectively positioned on the side faces of the two pouring casing plastic parts, and the second inclined guide post core pulling mechanism and the fourth inclined guide post core pulling mechanism are respectively positioned on two end faces of the pouring casing plastic parts.
Preferably, the injection mold for the shell molding part further comprises a material ejecting mechanism arranged on the movable mold plate 5, the material ejecting mechanism comprises a push plate 3, push rod 22 and material pulling rod 23, push rod 22 sets up many, many push rods 22 fixed connection just correspond a plurality of liftout through-holes of position on movable mould board 5 and the movable mould insert 27 on push rod fixed plate 4, material pulling rod 23 fixed connection just correspond a plurality of material pulling through-holes of position on movable mould board 5 and the movable mould insert 27 at push rod fixed plate 4 center, push rod fixed plate 4 passes through six 30 fixed connection of screw on push pedal 3, the vertical release link 24 of fixedly connected with on the push rod fixed plate 4, the activity of release link 24 upper end is inserted the guide through-hole on the movable mould board 5, reset spring 31 has been cup jointed on the release link 24, reset spring 31 is located between movable mould board 5 and the push rod fixed plate 4, movable mould bedplate 1 just sets up the through-hole to 3 central point departments of push.
Preferably, the first inclined guide post core-pulling mechanism and the third inclined guide post core-pulling mechanism are the same in structure and are arranged in an axial symmetry manner, and the second inclined guide post core-pulling mechanism and the fourth inclined guide post core-pulling mechanism are the same in structure and are arranged in an axial symmetry manner.
Preferably, the first inclined guide post core pulling mechanism and the third inclined guide post core pulling mechanism both comprise a pressing block I20, a sliding block I19 and an inclined guide post I18, one end of the sliding block I19 movably extends between the fixed die insert 26 and the movable die insert 27, a formed convex strip is arranged on the end face of the sliding block I, the inclined guide post I18 is obliquely and movably inserted into the other end of the sliding block I18, the inclined guide post I18 and the pressing block I20 are fixedly connected to the fixed die plate 10, a locking slope surface is arranged on the lower side of the left end of the pressing block I20, the locking slope surface abuts against the slope surface of the outer end of the sliding block I19 at the same angle, the sliding block I19 is located in a.
Preferably, the first inclined guide pillar core pulling mechanism and the third inclined guide pillar core pulling mechanism both further comprise a first limit screw 7 and a first limit block 9, the cross section of the first limit block 9 is of an L-shaped structure, the horizontal free end part of the lower end of the first limit screw is fixedly connected to the outer end face of the movable template 5 through a first screw 6, the first limit screw 7 movably penetrates through the upper end of the first limit block 9 and then is connected to the outer end of the first slide block 19, a first limit spring 8 is sleeved on the first limit screw 7, and the first limit spring 8 is located between the large end of the first limit screw 7 and the first limit block 9.
Preferably, the second inclined guide post core pulling mechanism and the fourth inclined guide post core pulling mechanism both adopt two side-by-side inclined guide post core pulling structures with different sizes, each inclined guide post core pulling structure comprises a second pressing block 33, a second sliding block 34 and a second inclined guide post 35, one end of the second sliding block 34 movably extends into a position between the fixed die insert 26 and the movable die insert 27, a convex strip is formed in the end face of the second sliding block, the second inclined guide post 35 is obliquely and movably inserted into the other end of the second sliding block, the second inclined guide post 35 and the second pressing block 33 are fixedly connected to the fixed die plate 10, a locking slope surface is arranged on the lower side of the left end of the second pressing block 33 and abuts against a slope surface at the outer end of the second sliding block 34 with the same angle, the second sliding block.
Preferably, the second inclined guide pillar core pulling mechanism and the fourth inclined guide pillar core pulling mechanism both further comprise a second limit screw 37 and a second limit block 38, the section of the second limit block 38 is of an L-shaped structure, the horizontal free end part of the lower end of the second limit block is fixedly connected to the outer end face of the movable template 5, the second limit screw 37 movably penetrates through the upper end of the second limit block 38 and then is connected to the outer end of the second slider 34, a second limit spring 39 is sleeved on the second limit screw 37, and the second limit spring 39 is located between the large end of the second limit screw 37 and the second limit block 38.
Preferably, the fixed die insert 26 and the movable die insert 27 are provided with cooling channels 25.
Designing a main flow channel: the main runner is designed to be conical, so that the melt can flow conveniently, the conical angle is 3 degrees, and the length of the main runner is 50 mm; a spherical pit is formed at the joint of the main runner and the nozzle, the pit is 4mm, and the radius is 12 mm; the minor end of the main runner is straight 4mm, and the diameter of the major end is 7.5 mm.
Designing a shunt channel: the sub-runners with the trapezoidal sections are selected, so that the flow efficiency is high, the flow resistance and the heat loss are small, the demolding of the sub-runners is facilitated, and the processing is more convenient. The length of the sub-runners is 15 mm.
Designing a cold material hole: in order to collect the condensate of the melt front, the condensate is prevented from entering the cavity before the plastic melt, so that the quality of the product is prevented from being influenced. A material cooling hole with a hook-shaped head and a material pulling rod is designed. After injection molding, the congelation in the cavity is lapped with the hook head of the material pulling rod, and the material pulling rod is fixed on the push rod fixing plate. When the mold is opened, the material pulling rod pulls the condensed materials in the cold material cavity through the hook head, and the condensed materials in the main runner and the plastic part are pushed out of the movable mold together.
Designing a pouring gate: a rectangular side gate is designed, and the height of the gate is 0.7 mm. The gate width was 2 mm. The gate length was 0.8 mm.
Designing an inclined guide pillar core-pulling mechanism: and 3, completing core pulling of 3 complex characteristics of the side surface of the plastic part by adopting an inclined guide pillar core pulling mechanism. Through calculation, the core-pulling distances at 3 positions are respectively as follows: the cavity at the right end of the plastic part is 30.2mm, the cylindrical groove at the left end is 8.9mm, and the boss at the middle part is 4.1 mm; the corresponding pulling force is Q1=1678.54N ，Q2=127.63N ，Q3=36.72N。
Designing an inclined guide pillar: for convenience of installation, the inclined angles of the inclined guide columns are 20 degrees, the diameters of the inclined guide columns are 12mm, and the lengths of the inclined guide columns are 90 mm.
Designing a sliding block: the two positions with smaller core-pulling distance adopt integral slide blocks, and the position with larger core-pulling distance adopts a mode of fastening the slide blocks and the molded parts by screws.
Chute design: a T-shaped groove is designed to guide the sliding block, the sliding block and the sliding groove are in clearance fit through H7/H8, and the sliding mode is integrally embedded.
The positioning device of the slide block comprises: the slider selects stopper and stop screw to fix a position, has the spring on the stop screw, relies on the elasticity of spring to make the slider receive outside pulling force, on the drawing of patterns of being more convenient for, and the dog can limit the amount of movement of slider, does not let its sliding distance too big.
Design of the compression block: in order to ensure that the slide block is pressed tightly after the injection mold is closed and bears partial thrust from the side mold core, a pressing block needs to be designed, the pressing block and the mold are fixed by screws, and the wedge angle of the pressing block is 22 degrees.
The design of an ejection mechanism: the liftout mechanism of round push rod has been designed, and 3mm is got to the push rod diameter.
Design of a guiding and positioning mechanism: and a guide pillar and guide sleeve guiding and positioning mechanism is adopted.
Design of the cooling system: the plastic part adopts a one-mold two-part pouring method, so that a single linear cooling water channel is adopted, the diameter of a cooling water pipe is 8mm, the distance between the water pipe and a part is 25mm, and the number of arranged cooling pipelines is 4.
The working process of the die is as follows: the movable mould and the fixed mould are in a closed state under the driving of the injection machine, the plasticized molten plastic is injected through the screw, passes through the sprue bush 15 and finally reaches a cavity between the movable mould insert and the fixed mould insert, then pressure maintaining is carried out, and after the pressure maintaining is finished, cooling water cools the plastic part through the cooling water channel 25. And (3) opening the mold after the plastic part is cooled, wherein the slide block of each core-pulling mechanism moves along with the inclined guide post, and the inclined guide post core-pulling mechanism slides backwards along the guide sliding groove to realize core pulling of each side surface of the plastic part. During ejection, the push plate 3 moves towards the plastic part direction to drive the push rod 22 to eject the plastic part and the casting system to coagulate, then the mold is reset through the reset rod 24, and the mold closing is completed for one period to prepare for next injection.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a casing is moulded a ware injection mold which characterized in that: the die comprises a movable die plate (5), a fixed die plate (10), a fixed die insert (26) and a movable die insert (27), wherein the movable die insert (27) is fixedly connected to the upper side surface of the movable die plate (5), the fixed die insert (26) is fixedly connected to the lower side surface of the fixed die plate (10), a guide pillar (12) is fixedly connected to the movable die plate (5), the guide pillar (12) is inserted into a guide sleeve (13) installed on the fixed die plate (10), the movable die plate (5) is fixedly connected to a movable die base plate (1) through two symmetrical cushion blocks (2), the fixed die plate (10) is fixedly connected to a fixed die base plate (11), a cavity between the fixed die insert (26) and the movable die insert (27) is communicated with a horizontal runner (16), the horizontal runner (16) is communicated with a sprue bush (15) through a main runner (14), and an inclined guide pillar core pulling mechanism is sequentially arranged on four sides between the movable die, The inclined guide post core-pulling mechanism II, the inclined guide post core-pulling mechanism III and the inclined guide post core-pulling mechanism IV form a pouring cavity of the two casing plastic parts together with the fixed die insert (26), the movable die insert (27), the inclined guide post core-pulling mechanism I, the inclined guide post core-pulling mechanism II, the inclined guide post core-pulling mechanism III and the inclined guide post core-pulling mechanism IV, the inclined guide post core-pulling mechanism I and the inclined guide post core-pulling mechanism III are respectively positioned on the side surfaces of the two pouring casing plastic parts, and the inclined guide post core-pulling mechanism II and the inclined guide post core-pulling mechanism IV are respectively positioned on two end surfaces of the pouring casing plastic parts.
2. The injection mold for housing moldings as claimed in claim 1, wherein: the material pushing mechanism is characterized by further comprising a material pushing mechanism arranged on the movable template (5), the material pushing mechanism comprises a push plate (3), push rods (22) and a material pulling rod (23), the push rods (22) are arranged in a plurality, the push rods (22) are fixedly connected to a push rod fixing plate (4) and are just opposite to a plurality of material pushing through holes in corresponding positions on the movable template (5) and a movable die insert (27), the material pulling rod (23) is fixedly connected to the center of the push rod fixing plate (4) and is just opposite to a plurality of material pulling through holes in corresponding positions on the movable template (5) and the movable die insert (27), the push rod fixing plate (4) is fixedly connected to the push plate (3), a vertical reset rod (24) is fixedly connected to the push rod fixing plate (4), the upper end of the reset rod (24) is movably inserted into a guide through hole in the movable template (5), a reset spring (31) is sleeved on the reset rod (24), and the reset spring (31), the movable mold base plate (1) is provided with a through hole at the position opposite to the center of the push plate (3).
3. The injection mold for housing moldings as claimed in claim 1, wherein: the first inclined guide post core-pulling mechanism and the third inclined guide post core-pulling mechanism are the same in structure and are arranged in an axial symmetry mode, and the second inclined guide post core-pulling mechanism and the fourth inclined guide post core-pulling mechanism are the same in structure and are arranged in an axial symmetry mode.
4. The injection mold for housing moldings as claimed in claim 1, wherein: the first inclined guide post core pulling mechanism and the third inclined guide post core pulling mechanism respectively comprise a pressing block I (20), a sliding block I (19) and an inclined guide post I (18), one end of the sliding block I (19) movably extends into a position between a fixed die insert (26) and a movable die insert (27), a formed convex strip is arranged on the end face of the sliding block I, the inclined guide post I (18) is obliquely and movably inserted into the other end of the sliding block I (19), the inclined guide post I (18) and the pressing block I (20) are fixedly connected onto a fixed die plate (10), a locking slope surface is arranged on the lower side of the left end of the pressing block I (20), the locking slope surface abuts against the slope surface of the outer end of the sliding block I (19) at the same angle, the sliding block I (19) is located in a sliding groove.
5. The injection mold for housing moldings as claimed in claim 4, wherein: the movable mould plate is characterized by further comprising a first limiting screw (7) and a first limiting block (9), the cross section of the first limiting block (9) is of an L-shaped structure, the horizontal free end of the lower end is fixedly connected to the outer end face of the movable mould plate (5), the first limiting screw (7) movably penetrates through the upper end of the first limiting block (9) and then is connected to the outer end of the first sliding block (19), a first limiting spring (8) is sleeved on the first limiting screw (7), and the first limiting spring (8) is located between the large end of the first limiting screw (7) and the first limiting block (9).
6. The injection mold for housing moldings as claimed in claim 1, wherein: the second inclined guide post core pulling mechanism and the fourth inclined guide post core pulling mechanism both adopt two side-by-side inclined guide post core pulling structures with different sizes, each inclined guide post core pulling structure comprises a pressing block II (33), a sliding block II (34) and an inclined guide post II (35), one end of the sliding block II (34) movably extends into a position between the fixed die insert (26) and the movable die insert (27), the end face of the sliding block II is provided with a formed convex strip, the inclined guide post II (35) is obliquely and movably inserted into the other end of the sliding block II (34), the inclined guide post II (35) and the pressing block II (33) are fixedly connected onto the fixed die plate (10), the lower side of the left end of the pressing block II (33) is provided with a locking slope, the locking slope abuts against the slope face at the outer end of the sliding block II (34) at the same angle, the sliding block II (34.
7. The injection mold for housing moldings as claimed in claim 6, wherein: the cross section of the second limiting screw (37) is of an L-shaped structure, the horizontal free end of the lower end is fixedly connected to the outer end face of the movable template (5), the second limiting screw (37) movably penetrates through the upper end of the second limiting screw (38) and then is connected to the outer end of the second sliding block (34), the second limiting screw (37) is sleeved with the second limiting spring (39), and the second limiting spring (39) is located between the large end of the second limiting screw (37) and the second limiting screw (38).
8. The injection mold for housing moldings as claimed in claim 1, wherein: the fixed die insert (26) and the movable die insert (27) are provided with cooling channels (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922457478.8U CN211763198U (en) | 2019-12-30 | 2019-12-30 | Injection mold for shell plastic part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922457478.8U CN211763198U (en) | 2019-12-30 | 2019-12-30 | Injection mold for shell plastic part |
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| CN211763198U true CN211763198U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922457478.8U Active CN211763198U (en) | 2019-12-30 | 2019-12-30 | Injection mold for shell plastic part |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519139A (en) * | 2020-12-02 | 2021-03-19 | 南京工业职业技术大学 | Multidirectional movable slide block side-pulling mold |
| CN113459426A (en) * | 2021-05-28 | 2021-10-01 | 上海戈冉泊精模科技有限公司 | Compound slider mechanism |
| CN114161669A (en) * | 2022-02-09 | 2022-03-11 | 宁波周龙塑胶模具有限公司 | Injection mold of plastic part for automobile |
| CN114734588A (en) * | 2022-04-15 | 2022-07-12 | 贵州电网有限责任公司 | Injection mold for electric appliance wiring shell |
-
2019
- 2019-12-30 CN CN201922457478.8U patent/CN211763198U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519139A (en) * | 2020-12-02 | 2021-03-19 | 南京工业职业技术大学 | Multidirectional movable slide block side-pulling mold |
| CN113459426A (en) * | 2021-05-28 | 2021-10-01 | 上海戈冉泊精模科技有限公司 | Compound slider mechanism |
| CN114161669A (en) * | 2022-02-09 | 2022-03-11 | 宁波周龙塑胶模具有限公司 | Injection mold of plastic part for automobile |
| CN114734588A (en) * | 2022-04-15 | 2022-07-12 | 贵州电网有限责任公司 | Injection mold for electric appliance wiring shell |
| CN114734588B (en) * | 2022-04-15 | 2023-12-01 | 贵州电网有限责任公司 | Injection mold for electrical appliance wiring shell |
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