CN220052736U

CN220052736U - Forming die of smoke alarm upper shell

Info

Publication number: CN220052736U
Application number: CN202321701303.7U
Authority: CN
Inventors: 邱才谦; 胡芒芒
Original assignee: Zhejiang Baida Plastics Co ltd
Current assignee: Zhejiang Baida Plastics Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-21
Anticipated expiration: 2033-06-30

Abstract

The utility model provides a forming die of an upper shell of a smoke alarm, which comprises a bottom plate and a top plate, wherein the top wall of the bottom plate is connected with a lower die plate through a supporting plate, the top of the lower die plate is connected with a lower die core in a sliding manner through a first sliding rod which is symmetrically arranged, and the forming die further comprises: the bottom of the top plate is also provided with an upper template, and the upper template is connected with an upper mold core in a sliding way through second sliding rods which are symmetrically arranged; the upper mold core top wall and the lower mold core bottom wall are respectively provided with symmetrically arranged sliding grooves, the upper mold core top wall and the lower mold core two side walls are respectively provided with a mounting groove matched with the sliding grooves, and the inner walls of the mounting grooves are respectively provided with a liftout part. According to the utility model, through the four groups of ejection components, under the action of the air springs, when the lower mold core is separated from the upper mold core, the ejection components are away from the upper mold plate and the lower mold plate, and under the action of the gear, the first rack and the second rack, the workpiece is separated from the upper mold core and the lower mold core through the stripper plate, so that automatic demolding is realized.

Description

Forming die of smoke alarm upper shell

Technical Field

The utility model relates to the technical field of mould products, in particular to a forming mould of an upper shell of a smoke alarm.

Background

The smoke alarm is also called a fire smoke alarm, a smoke sensor and the like, and generally uses an independent physical product battery for power supply or an alternating current power supply battery as standby power, and can send out an audible and visual indication when in-situ alarming, and is called an independent smoke alarm; the fire alarm system is powered by a bus, a plurality of fire alarm controllers are connected to the bus and form an alarm system through networking and communication, no sound is generated on site during alarm, a host computer has audible and visual prompts, the smoke alarm device is generally called a smoke alarm, the smoke alarm is used for realizing fire prevention by monitoring the concentration of smoke in terms of internal principle, the alarm device is widely applied to various fire alarm systems, and as is well known, one smoke alarm comprises an upper shell, a lower shell and other accessories, and the upper shell or the lower shell needs to be used in a mold during injection molding.

Through searching, the patent with the Chinese patent application number of 202120701980.3 discloses a forming die for an upper shell of a smoke alarm, which comprises a top plate, an upper template, an upper die core, a lower die core, an insert, a lower template, an inclined ejector rod, a straight ejector rod, a first push plate, a second push plate, a third push plate, a fourth push plate, a supporting frame, a bottom plate, a base, a connecting block and a guide block. The above patents have the following disadvantages: when demoulding, external force is needed to intervene, automatic demoulding cannot be realized, and thus, the processing procedures are increased, and the processing efficiency is reduced, so that a forming die of an upper shell of the smoke alarm is needed to solve the problems.

Disclosure of Invention

The utility model aims at: the automatic demolding device aims at the problems that at present, external force is needed to intervene during demolding, automatic demolding cannot be achieved, machining procedures are increased, and machining efficiency is reduced.

In order to achieve the above object, the present utility model provides the following technical solutions:

and a forming die of the upper shell of the smoke alarm is used for improving the problems.

The utility model is specifically as follows:

the utility model provides a forming die of smoke alarm epitheca, includes bottom plate and roof, the bottom plate roof is connected with the lower bolster through the backup pad, first slide bar sliding connection that the lower bolster top set up through the symmetry has the lower mold core, still includes:

the bottom of the top plate is also provided with an upper template, and the upper template is connected with an upper mold core in a sliding way through second sliding rods which are symmetrically arranged;

the upper die core top wall and the lower die core bottom wall are respectively provided with symmetrically arranged sliding grooves, the upper die core top wall and the lower die core two side walls are respectively provided with a mounting groove matched with the sliding grooves, and the inner walls of the mounting grooves are respectively provided with a material ejection part.

As the preferable technical scheme of the utility model, the inner walls of the upper template and the lower template are fixedly connected with symmetrically arranged gas springs, the piston end of the gas spring fixedly connected with the upper template is fixedly connected with the upper mold core, and the piston end of the gas spring fixedly connected with the lower template is fixedly connected with the lower mold core.

As the preferable technical scheme of the utility model, the material ejection part comprises a gear which is rotationally connected with the inner wall of the mounting groove, a demoulding plate which is slidingly connected with the inner wall of the corresponding sliding groove, a first rack which is fixedly connected with the bottom wall of the demoulding plate and a second rack which is fixedly connected with the top wall of the corresponding lower mould plate or the bottom wall of the upper mould plate, and the first rack and the second rack are meshed with the gear.

As the preferable technical scheme of the utility model, the first rack and the second rack are respectively positioned at two sides of the gear, and a connecting plate is also arranged at the joint of the second rack, the upper template and the lower template.

As the preferable technical scheme of the utility model, a buffer cushion is also arranged at the joint of the supporting plate and the lower template.

As the preferable technical scheme of the utility model, the top wall of the top plate is also provided with a material injection hole matched with the upper mold core.

As the preferable technical scheme of the utility model, the top wall and the bottom wall of the lower die plate, the lower die core, the upper die plate and the upper die core are respectively provided with a limit groove and a limit block which are matched with each other.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the utility model:

through four sets of liftout parts that set up, under air spring's effect, when mold core and last mold core separation down, keep away from each other with cope match-plate pattern and lower bolster to separate work piece and last mold core and lower mold core through the stripper plate under the effect of gear, first rack and second rack, realized automatic drawing of patterns, improved the efficiency of processing greatly, solved among the prior art need intervene through external force when the drawing of patterns, can't realize automatic drawing of patterns, just so can increase processing procedure, reduce machining efficiency's problem.

Drawings

FIG. 1 is a schematic diagram of a mold closing state structure of a forming mold of an upper shell of a smoke alarm provided by the utility model;

fig. 2 is a schematic diagram of a mold opening state structure of a forming mold of an upper shell of the smoke alarm provided by the utility model;

FIG. 3 is a schematic diagram of the open state structure of a forming mold of the upper case of the smoke alarm provided by the utility model;

fig. 4 is a schematic view of a part of a structure of a forming mold of an upper case of the smoke alarm provided by the utility model;

fig. 5 is a schematic cross-sectional structure of a forming mold of an upper case of the smoke alarm provided by the utility model.

The figures indicate:

1. a bottom plate; 11. a support plate; 12. a lower template; 13. a first slide bar; 2. a top plate; 21. an upper template; 22. a second slide bar; 23. an upper mold core; 24. a material injection hole; 3. a lower mold core; 31. a limit groove; 32. a limiting block; 4. a sliding groove; 41. a mounting groove; 42. a gear; 43. removing the template; 44. a first rack; 45. a second rack; 46. a connecting plate; 5. and a gas spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As shown in fig. 1-5, the forming die of a smoke alarm upper shell that this embodiment provided, including bottom plate 1 and roof 2, bottom plate 1 roof is connected with lower bolster 12 through backup pad 11, and lower bolster 12 top is through the first slide bar 13 sliding connection of symmetry setting has lower mold core 3, still includes:

wherein, the bottom of the top plate 2 is also provided with an upper template 21, and the upper template 21 is connected with an upper mold core 23 in a sliding way through a second sliding rod 22 which is symmetrically arranged;

the upper mold core 23 top wall and the lower mold core 3 bottom wall are respectively provided with symmetrically arranged sliding grooves 4, the upper mold core 23 top wall and the lower mold core 3 two side walls are respectively provided with a mounting groove 41 matched with the sliding grooves 4, and the inner walls of the mounting grooves 41 are respectively provided with a material ejection part;

the workpiece is separated from the upper mold core 23 and the lower mold core 3 through the stripper plate 43 under the action of the ejection part, so that automatic demolding is realized, and the processing efficiency is greatly improved.

As shown in fig. 1-5, as a preferred embodiment, based on the above manner, further, gas springs 5 symmetrically disposed are fixedly connected to inner walls of the upper die plate 21 and the lower die plate 12, a piston end of the gas spring 5 fixedly connected to the upper die plate 21 is fixedly connected to the upper die core 23, a piston end of the gas spring 5 fixedly connected to the lower die plate 12 is fixedly connected to the lower die core 3, and a model and a specification of the gas spring 5 need to be selected according to an actual application scenario, which will not be repeated herein.

As shown in fig. 1-5, as a preferred embodiment, based on the above manner, the material ejecting component further includes a gear 42 rotatably connected to the inner wall of the mounting groove 41, a first rack 44 slidably connected to the demoulding plate 43 corresponding to the inner wall of the sliding groove 4, and a second rack 45 fixedly connected to the top wall of the lower mould plate 12 or the bottom wall of the upper mould plate 21, where the first rack 44 and the second rack 45 are engaged with the gear 42, and the upper mould core 23 and the upper mould plate 21 are relatively moved, so that the gear 42 is driven to rotate by the second rack 45, and the demoulding plate 43 is driven to slide upwards in the sliding groove 4 by the first rack 44, so as to separate the workpiece from the upper mould core 23.

As shown in fig. 1-3, in the preferred embodiment, further, the first rack 44 and the second rack 45 are respectively located at two sides of the gear 42, and a connection plate 46 is further provided at a connection position of the second rack 45 and the upper template 21 and the lower template 12, so as to realize power conversion.

As shown in fig. 1-3, as a preferred embodiment, on the basis of the above manner, further, a buffer pad is further provided at the joint of the supporting plate 11 and the lower die plate 12, the top wall of the top plate 2 is further provided with a material injection hole 24 matched with the upper die core 23, the top walls and the bottom walls of the lower die plate 12, the lower die core 3, the upper die plate 21 and the upper die core 23 are respectively provided with a limit groove 31 and a limit block 32 which are mutually matched, and the limit block 32 is matched with the limit groove 31, so that the accuracy of die assembly is improved, and the injection molding quality is improved.

Specifically, the shaping mould of this smoke alarm epitheca when using: under the compound die state, stopper 32 cooperatees with spacing groove 31, the precision of compound die has been increased, the quality of moulding plastics has been promoted, under the compound die state, gas spring 5 is in compressed state, accomplish through roof 2 drive cope match-plate pattern 21 upward movement when moulding plastics, gas spring 5 loses roof 2 pressure, progressively flexible, and make last mold core 23 can not be the very first time along with roof 2 upward movement, thereby make take place relative motion between cope match-plate pattern 23 and the cope match-plate pattern 21, and then drive gear 42 rotation through second rack 45, and then drive stripper plate 43 through first rack 44 and upwards slide in slide groove 4, and then make the work piece and last mold core 23 separate, in the same way, along with the rising of roof 2, lower mold core 3 upwards moves under gas spring 5's effect, and separate work piece and last 23 and lower mold core 3 through stripper plate 43 under gear 42, first rack 44 and second rack 45's effect, automatic drawing of patterns has been realized, the efficiency of working has been greatly improved, the problem that need be intervened through external force when drawing of patterns in the prior art, automatic drawing of patterns can not be realized, in this way, the machining efficiency can be increased is reduced.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims

1. The utility model provides a forming die of smoke alarm epitheca, includes bottom plate (1) and roof (2), its characterized in that, bottom plate (1) roof is connected with lower bolster (12) through backup pad (11), first slide bar (13) sliding connection that lower bolster (12) top set up through the symmetry has lower mold core (3), still includes:

an upper die plate (21) is further arranged at the bottom of the top plate (2), and the upper die plate (21) is connected with an upper die core (23) in a sliding manner through second sliding rods (22) which are symmetrically arranged;

the upper mold core (23) top wall and the lower mold core (3) bottom wall are respectively provided with a sliding groove (4) which is symmetrically arranged, the upper mold core (23) top wall and the lower mold core (3) both side walls are respectively provided with a mounting groove (41) which is matched with the sliding grooves (4), and the inner walls of the mounting grooves (41) are respectively provided with a material ejection part.

2. The forming die of the upper shell of the smoke alarm according to claim 1, wherein gas springs (5) which are symmetrically arranged are fixedly connected to the inner walls of the upper die plate (21) and the lower die plate (12), the piston end of the gas spring (5) fixedly connected with the upper die core (23) is fixedly connected with the piston end of the gas spring (5) fixedly connected with the lower die plate (12), and the piston end of the gas spring (5) fixedly connected with the lower die core (3) is fixedly connected with the lower die plate.

3. The forming die of an upper shell of a smoke alarm according to claim 1, wherein the material ejecting part comprises a gear (42) rotatably connected to the inner wall of the mounting groove (41), a demoulding plate (43) slidably connected to the inner wall of the corresponding sliding groove (4), a first rack (44) fixedly connected to the bottom wall of the demoulding plate (43) and a second rack (45) fixedly connected to the top wall of the corresponding lower mould plate (12) or the bottom wall of the upper mould plate (21), and the first rack (44) and the second rack (45) are both meshed with the gear (42).

4. A mould for forming an upper shell of a smoke alarm according to claim 3, wherein the first rack (44) and the second rack (45) are respectively located at two sides of the gear (42), and a connecting plate (46) is further arranged at the joint of the second rack (45) and the upper die plate (21) and the lower die plate (12).

5. The forming die of the upper shell of the smoke alarm according to claim 1, wherein a buffer pad is further arranged at the joint of the supporting plate (11) and the lower template (12).

6. The forming die of the upper shell of the smoke alarm as claimed in claim 1, wherein the top wall of the top plate (2) is also provided with a material injection hole (24) matched with the upper die core (23).

7. The forming die of the upper shell of the smoke alarm according to claim 1, wherein the top wall and the bottom wall of the lower die plate (12), the lower die core (3), the upper die plate (21) and the upper die core (23) are respectively provided with a limit groove (31) and a limit block (32) which are matched with each other.