CN211105309U - Plastic mould of projecting apparatus production usefulness - Google Patents
Plastic mould of projecting apparatus production usefulness Download PDFInfo
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- CN211105309U CN211105309U CN201921842078.2U CN201921842078U CN211105309U CN 211105309 U CN211105309 U CN 211105309U CN 201921842078 U CN201921842078 U CN 201921842078U CN 211105309 U CN211105309 U CN 211105309U
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Abstract
The utility model relates to a plastic mould technical field specifically is a plastic mould of projecting apparatus production usefulness, including moving outer mould shell and deciding outer mould shell, the movable hole has been seted up at the middle part of moving outer mould shell surface one side, the inside sliding connection in movable hole has the push rod, the surface of push rod is provided with the spring, the surface of moving outer mould shell has seted up first cavity, the edge of moving the outer mould shell and being close to first cavity surface sets up flutedly. This plastic mould of projecting apparatus production usefulness, through the outside spiro union connecting rod moving outer mould shell, mold core in the other end spiro union of connecting rod, the inside of connecting rod is hollow simultaneously, when interior mold core damages, can twist off the interior mold core that damages, change a new interior mold core, just can continue to produce, can not influence the process of production, bring very big facility for change work, the work load of maintenance workman has been reduced, and then increased the efficiency of work, can guarantee that output can not descend.
Description
Technical Field
The utility model relates to a plastic mould technical field specifically is a plastic mould of projecting apparatus production usefulness.
Background
The projector is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and project the workpiece onto a video screen, and is widely applied to public occasions such as families, offices, schools, entertainment places and the like at present so as to achieve the purpose of sharing information.
The shell of projecting apparatus can play the guard action to the internals of projecting apparatus, avoid it to take place to collide with, can also play radiating purpose simultaneously, the projecting apparatus shell on the present market has metal casing and plastic casing, wherein plastic casing uses the mould to mould plastics the completion mostly, also use the hot mould suppression to form, use the mode production plastic casing of moulding plastics, production speed is very fast, product quality is also very high simultaneously, but when using the production mode of moulding plastics, still have following shortcoming:
(1) because the mould is long-time work, the mould is very easily damaged, especially, the damage of inner mold core, when changing work, because the mould is comparatively complicated, not only increased workman's work load, still waste a large amount of operating time simultaneously, and then reduced production efficiency, and break away from completely at two parts mould, carry out the butt joint in-process once more, can produce the vibration, the vibration causes the mould butt joint skew very easily, like this after pouring into the plastic into, can make the disability rate of product increase, the cost of product production has been increased, and be not conform to the theory of green production.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a to prior art not enough, the utility model provides a plastic mould of projecting apparatus production usefulness sets up the push rod and installs the spring on the push rod through the outside at an outer mould shell, sets up boss and recess at the kneck of two outer mould shells simultaneously, has solved the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a plastic mould of projecting apparatus production usefulness, is including moving outer mould shell and deciding outer mould shell, the movable hole has been seted up at the middle part of moving outer mould shell surface one side, the inside sliding connection of movable hole has the push rod, the surface of push rod is provided with the spring, the surface of moving outer mould shell has seted up first cavity, the edge that moves outer mould shell and be close to first cavity surface is seted up flutedly, move one side that outer mould shell is close to first cavity surface and seted up first mounting hole, the inside threaded connection of first mounting hole has the connecting rod, the through-hole has been seted up to the inside of connecting rod, the other end threaded connection of connecting rod surface has interior mold core, the mouth of moulding plastics has been seted up at the middle part of deciding outer mould shell surface, the edge fixedly connected with boss of moulding plastics mouthful.
Optionally, the outer surface of the inner mold core and the inner wall of the first cavity are in the same plane, a second cavity is arranged between the inner mold core and the fixed outer mold shell, and the inner wall of the second cavity and the inner wall of the first cavity are in the same plane.
Optionally, a second mounting hole is formed in the middle of the outer surface of the inner mold core, a movable groove is formed in the middle of the outer surface of the inner mold core, a second mounting hole is formed in the middle of one side of the outer surface of the inner mold core, threads are arranged on the outer surface of the connecting rod, and threads are arranged on the inner walls of the first mounting hole and the second mounting hole.
Optionally, the diameter of an outer opening of the injection molding opening is larger than the diameter of an inner opening, and the injection molding opening is communicated with the second cavity.
Optionally, the diameter of the inner wall of the groove is equal to the diameter of the inner surface of the boss, the width of the groove is equal to the width of the boss, and the depth of the groove is equal to the height of the boss.
Optionally, the shape of the push rod is matched with that of the movable groove, and the bottom surface of the push rod is completely contacted with the inner wall of the movable groove.
Optionally, one end of the spring is in contact with the outer surface of the movable outer formwork, the other end of the spring is in contact with the bottom surface of the top of the push rod, and the diameter of the top of the push rod is larger than the outer diameter of the spring.
(III) advantageous effects
The utility model provides a plastic mould of projecting apparatus production usefulness possesses following beneficial effect:
1. through a connecting rod at the outside spiro union of moving outer mould shell, at inner mold core of another end spiro union of connecting rod, the inside of connecting rod is hollow form simultaneously, push rod at inside sliding connection of cavity, and install the spring on the push rod, when inner mold core damages, can twist off the inner mold core that damages, change a new inner mold core, just can continue to produce, can not influence the process of production, brought very big facility for change work, maintenance workman's work load has been reduced, and then increased the efficiency of work, can guarantee that output can not descend.
2. The groove is formed in the outer surface of the movable outer mould shell, the boss is arranged on the outer surface of the fixed outer mould shell, the boss and the groove are matched, accurate butt joint of the two outer mould shells can be guaranteed, the problem of deviation of a joint caused by vibration is avoided, the rejection rate of products is reduced, accordingly, the problem that products are scrapped due to mould deviation is solved, the production cost of the products is increased, and the environment-friendly concept is met.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic front top view of the present invention;
fig. 3 is a schematic diagram of the rear overlook structure of the present invention.
In the figure: 1-movable outer mould shell, 2-fixed outer mould shell, 3-push rod, 4-spring, 5-movable hole, 6-first cavity, 7-second cavity, 8-movable groove, 9-connecting rod, 10-injection molding opening, 11-through hole, 12-boss, 13-groove, 14-first mounting hole, 15-inner mould core and 16-second mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a plastic mould of projecting apparatus production usefulness, including moving outer mould shell 1 and deciding outer mould shell 2, movable hole 5 has been seted up at the middle part of moving outer mould shell 1 surface one side, movable hole 5's inside sliding connection has push rod 3, push rod 3's surface is provided with spring 4, first cavity 6 has been seted up to the surface of moving outer mould shell 1, it sets up fluted 13 to move the edge that outer mould shell 1 is close to first cavity 6 surface, move outer mould shell 1 and seted up first mounting hole 14 near one side of first cavity 6 surface, the inside threaded connection of first mounting hole 14 has connecting rod 9, through-hole 11 has been seted up to the inside of connecting rod 9, the other end threaded connection of connecting rod 9 surface has interior mold core 15, the mouth of moulding plastics 10 has been seted up at the middle part of deciding outer mould shell 2 surface, decide outer mould shell 2 and keep away from.
As an optimal technical solution of the utility model:
the outer surface of the inner mold core 15 and the inner wall of the first cavity 6 are in the same plane, the second cavity 7 is arranged between the inner mold core 15 and the fixed mold shell 2, the inner wall of the second cavity 7 and the inner wall of the first cavity 6 are in the same plane, the integrity of the surface of a product is guaranteed, the surface of the product has higher planeness, burrs are reduced, and the purpose of attractive surface of the product is achieved.
As an optimal technical solution of the utility model:
the movable groove 8 is formed in the middle of the outer surface of the inner mold core 15, the second mounting hole 16 is formed in the middle of one side of the outer surface of the inner mold core 15, threads are arranged on the outer surface of the connecting rod 9, threads are arranged on the inner walls of the first mounting hole 14 and the second mounting hole 16, the inner mold core 15 is connected to the outer surface of the connecting rod 9 through the threads, the inner mold core 15 is connected to the outer surface of the connecting rod 9 in an tight mode to form a main body, and therefore the inner mold portion is formed, and the purpose of.
As an optimal technical solution of the utility model:
the outside opening diameter of mouth 10 of moulding plastics is greater than inside opening diameter, and mouth 10 of moulding plastics is linked together with second cavity 7, makes the plastic through moulding plastics mouthful 10 entering back, and the space of moulding plastics of entering that can be quick reaches the purpose that the work of moulding plastics can be accomplished fast, reaches the plastic and can not half way refrigerated purpose, has guaranteed the wholeness of product.
As an optimal technical solution of the utility model:
the diameter of the inner wall of the groove 13 is equal to the diameter of the inner surface of the boss 12, the width of the groove 13 is equal to the width of the boss 12, the depth of the groove 13 is equal to the height of the boss 12, the groove 13 can be closely connected with the boss 12, the purposes of reducing vibration and positioning can be achieved through the matching of the boss 12 and the groove 13, and the injection molding product is guaranteed not to deform.
As an optimal technical solution of the utility model:
the shape of push rod 3 and the shape looks adaptation of activity groove 8, the bottom surface of push rod 3 contacts completely with the inner wall of activity groove 8, makes push rod 3 can freely remove in the inside of activity groove 8, and through the complete contact of the bottom surface of push rod 3 and the 8 inner walls of activity groove, can make unnecessary protruding and depressed part can not appear in the product surface, has guaranteed the roughness on surface.
As an optimal technical solution of the utility model:
one end of the spring 4 is contacted with the outer surface of the movable outer mould shell 1, the other end of the spring 4 is contacted with the bottom surface of the top of the push rod 3, the diameter of the top of the push rod 3 is larger than the outer diameter of the spring 4, the push rod 3 is used for compressing the spring 5, the bottom surface of the push rod 3 is ensured to be always contacted with the inner part of the movable groove 8, and the push rod 3 is jacked to eject a product after the movable outer mould shell 1 is withdrawn.
To sum up, when the plastic mold for producing the projector is used, the connecting rod 9 is screwed outside the movable outer mold shell 1, the inner mold core 15 is screwed at the other end of the connecting rod 9, meanwhile, the connecting rod 9 is hollow, the push rod 3 is slidably connected inside the cavity, the spring 4 is arranged on the push rod 3, when the inner mold core 15 is damaged, the damaged inner mold core 15 can be unscrewed, a new inner mold core 15 is replaced, the production can be continued, the production process cannot be influenced, great convenience is brought to the replacement work, the workload of maintenance workers is reduced, the work efficiency is increased, the yield cannot be reduced, the accurate butt joint of the two outer mold shells can be ensured by arranging the groove 7 on the outer surface of the movable outer mold shell 1, arranging the boss 8 on the outer surface of the fixed outer mold shell 2 and matching the boss 8 and the groove 71, the problem of deviation of the interface caused by vibration is avoided, and the rejection rate of products is reduced, so that the problems that products are scrapped due to mould deviation, the production cost of the products is increased are solved, and the environment-friendly concept is met.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a plastic mould of projecting apparatus production usefulness which characterized in that: the injection molding device comprises a movable outer formwork (1) and a fixed outer formwork (2), wherein a movable hole (5) is formed in the middle of one side of the outer surface of the movable outer formwork (1), a push rod (3) is connected to the inside of the movable hole (5) in a sliding manner, a spring (4) is arranged on the outer surface of the push rod (3), a first cavity (6) is formed in the outer surface of the movable outer formwork (1), a groove (13) is formed in the edge, close to the outer surface of the first cavity (6), of the movable outer formwork (1), a first mounting hole (14) is formed in one side, close to the outer surface of the first cavity (6), of the movable outer formwork (1), a connecting rod (9) is connected to the inner thread of the first mounting hole (14), a through hole (11) is formed in the connecting rod (9), an inner mold core (15) is connected to the other end of the outer surface of the connecting rod (9), the edge of the outer surface of the fixed outer mould shell (2) far away from the injection molding opening (10) is fixedly connected with a boss (12).
2. The plastic mold for producing projector according to claim 1, wherein: the outer surface of the inner mold core (15) and the inner wall of the first cavity (6) are in the same plane, a second cavity (7) is arranged between the inner mold core (15) and the outer fixed mold shell (2), and the inner wall of the second cavity (7) and the inner wall of the first cavity (6) are in the same plane.
3. The plastic mold for producing projector according to claim 1, wherein: activity groove (8) have been seted up at the middle part of inner mould core (15) surface, second mounting hole (16) have been seted up at the middle part of inner mould core (15) surface one side, the surface of connecting rod (9) is provided with the screw thread, the inner wall of first mounting hole (14) and second mounting hole (16) all is provided with the screw thread.
4. The plastic mold for producing projector according to claim 1, wherein: the diameter of an external opening of the injection molding opening (10) is larger than that of an internal opening, and the injection molding opening (10) is communicated with the second cavity (7).
5. The plastic mold for producing projector according to claim 1, wherein: the diameter of the inner wall of the groove (13) is equal to that of the inner surface of the boss (12), the width of the groove (13) is equal to that of the boss (12), and the depth of the groove (13) is equal to that of the boss (12).
6. The plastic mold for producing projector according to claim 1, wherein: the shape of the push rod (3) is matched with that of the movable groove (8), and the bottom surface of the push rod (3) is completely contacted with the inner wall of the movable groove (8).
7. The plastic mold for producing projector according to claim 1, wherein: one end of the spring (4) is in contact with the outer surface of the movable outer formwork (1), the other end of the spring (4) is in contact with the bottom surface of the top of the push rod (3), and the diameter of the top of the push rod (3) is larger than the outer diameter of the spring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842078.2U CN211105309U (en) | 2019-10-29 | 2019-10-29 | Plastic mould of projecting apparatus production usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842078.2U CN211105309U (en) | 2019-10-29 | 2019-10-29 | Plastic mould of projecting apparatus production usefulness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211105309U true CN211105309U (en) | 2020-07-28 |
Family
ID=71723338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921842078.2U Active CN211105309U (en) | 2019-10-29 | 2019-10-29 | Plastic mould of projecting apparatus production usefulness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211105309U (en) |
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2019
- 2019-10-29 CN CN201921842078.2U patent/CN211105309U/en active Active
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