Plastic helmet mold convenient for demolding
Technical Field
The utility model relates to an injection mold technical field especially relates to a plastics helmet mould convenient to drawing of patterns.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and after cooling and solidification, a formed product can be obtained.
At present, in the process of producing plastic helmets, an injection mold is one of indispensable production instruments. Traditional injection mold is after the product cooling of moulding plastics is accomplished, often not convenient to people to it is demolded and is unloaded, and the use of giving people has brought great inconvenience, can not satisfy people's user demand. Therefore, there is a need for a plastic helmet mold that facilitates demolding to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a plastic helmet mold convenient for demolding. Its advantage lies in can make things convenient for people's drawing of patterns work through the ejector pin with the injection product of lower die cavity inside ejecting fast, and fixed connection is at dwang circumference outer wall stopper simultaneously, can make the dwang drive the lower die cavity block that the ejector pin can be accurate when reseing, avoids the ejector pin to appear overlength or the condition emergence that the short injection product is unqualified that leads to under in the die cavity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a plastic helmet mold convenient for demolding comprises a bottom plate, wherein a supporting plate is fixedly connected to the outer wall of the top of the bottom plate, a top plate is fixedly connected to the outer wall of one end of the supporting plate, a material storage box is arranged on the outer wall of the top plate, injection molding slurry is contained in the material storage box, an injection molding pipe is inserted into the outer wall of one side of the material storage box, a hydraulic rod is fixedly connected to the outer wall of the top plate, a mounting plate is fixedly connected to the outer wall of one end of the hydraulic rod, an upper mold body is arranged on the outer wall of the bottom of the mounting plate, a table body is fixedly connected to the outer wall of the top of the bottom plate, a lower mold groove is formed in the outer wall of the top of the table body, a push rod is inserted into the inner wall of the bottom of the lower mold groove, a cavity is formed in the table body, and push-out assemblies used for driving the push rod to move in the vertical direction are arranged on the outer wall of one side of the table body and in the cavity, the top outer wall of mounting panel is opened there is the mouth of moulding plastics, and the top outer wall fixedly connected with mount of mounting panel.
By adopting the technical scheme, the production efficiency of the plastic helmet for people can be improved, the working strength of people is reduced, and the use requirements of people are met.
Further, ejecting subassembly includes fixed connection and is in the motor of stage body one side outer wall, and the output shaft one end outer wall fixedly connected with dwang of motor, the circumference outer wall of dwang is provided with the external screw thread, and the circumference inner wall threaded connection of external screw thread has the threaded sleeve, and the top outer wall of threaded sleeve articulates there is the connecting rod, and the one end that the threaded sleeve was kept away from to the connecting rod forms articulatedly with the ejector pin, the equal fixedly connected with baffle of both sides inner wall of cavity, the one end of ejector pin is passed from the top outer wall of baffle.
Through adopting above-mentioned technical scheme, can the starter motor after people have done the injection molding work to the product, the rotation through the motor can drive the dwang and rotate together, cup joints when the dwang rotates and can be horizontal motion at its outer wall thread bush, and when the thread bush was horizontal motion, vertical motion can be to its top articulated connecting rod to can be ejecting fast with the injection molding product of lower die cavity inside through the ejector pin, made things convenient for people's drawing of patterns work.
Furthermore, the outer wall of the bottom of the threaded sleeve is fixedly connected with a reinforcing column, a first sliding block is fixedly connected to the outer wall of one end of the reinforcing column, a first sliding groove is formed in the inner wall of the bottom of the cavity, and the outer wall of the bottom of the first sliding block is connected with the inner wall of the bottom of the first sliding groove in a sliding mode.
Through adopting above-mentioned technical scheme, slide in first spout bottom by first slider to stability when having guaranteed that enhancement post and threaded sleeve carry out horizontal movement.
Furthermore, the circumference outer wall fixedly connected with stopper of dwang, and the cross section of stopper is right triangle-shaped.
Through adopting above-mentioned technical scheme, can make the dwang drive the lower die cavity block that can be accurate when the ejector pin resets, avoid the ejector pin to appear overlength or the short unqualified condition emergence of product that leads to moulding plastics in lower die cavity.
Furthermore, the outer wall of one side of the supporting plate is fixedly connected with a control panel, and the control panel is electrically connected with the motor.
Through adopting above-mentioned technical scheme, can open the work of stopping through control panel real-time to the motor, degree of automation is high, has improved people's work efficiency.
Further, the bottom outer wall fixedly connected with reference column of mounting panel, and the top outer wall of stage body opens there is the constant head tank, and the reference column is located the constant head tank directly over, and the bottom inner wall welding of constant head tank has the spring, and the top outer wall welding of spring has the clamp plate.
Through adopting the technical scheme, good location effect has been played, thereby the accurate cooperation between injection mold upper die body and the lower die groove has been guaranteed, the quality of injection moulding product has been improved, insert the in-process of constant head tank at the reference column simultaneously, the reference column can give decurrent pressure of clamp plate, because clamp plate bottom fixedly connected with spring, thereby the effect of good shock attenuation buffering has been played, the life of reference column and constant head tank has been prolonged, simultaneously because the spring has good elasticity, consequently, after the injection molding work of device is accomplished, when the spring resets, people's drawing of patterns work has also been made things convenient for.
Furthermore, the inner walls of the two sides of the positioning groove are provided with second sliding grooves, the inner wall of one side of each second sliding groove is connected with a second sliding block in a sliding mode, and the outer wall of one side of each second sliding block is fixedly connected with the outer wall of one side of the pressing plate.
Through adopting above-mentioned technical scheme, can effectually guarantee that the clamp plate carries out stable lift in the constant head tank.
The utility model has the advantages that:
1. this plastics helmet mould convenient to drawing of patterns, through being provided with ejecting subassembly and stopper, can the starter motor after people have done to the injection moulding of product, rotation through the motor can drive the dwang and together rotate, cup joint when the dwang rotates and can be horizontal motion at its outer wall thread bush, when the thread bush is horizontal motion, vertical motion can be done to its top articulated connecting rod, thereby can be through the ejector pin with the injection moulding product of lower die cavity inside ejecting fast, people's drawing of patterns work has been made things convenient for, fixed connection is at dwang circumference outer wall stopper simultaneously, lower die cavity block that can be accurate when can making the dwang drive the ejector pin and reset, avoid the ejector pin to appear the overlength or the too short condition that leads to injection moulding product unqualified emergence under the die cavity.
2. This plastics helmet mould convenient to drawing of patterns through being provided with reference column and constant head tank, starts to rotate at people and carries out injection moulding work's in-process, and the hydraulic stem drives and goes up the mould body and move downwards, and the reference column can move along with the removal of last mould body this moment, until in the accurate constant head tank that inserts of reference column to guaranteed the accurate cooperation between mould body and the lower die groove on the injection mould, improved injection moulding product's quality.
3. This plastics helmet mould convenient to drawing of patterns, through being provided with the clamp plate, a spring, second slider and second spout, insert the in-process of constant head tank at the reference column, the reference column can give decurrent pressure of clamp plate, because clamp plate bottom fixedly connected with spring, thereby played the effect of good shock attenuation buffering, the life of reference column and constant head tank has been prolonged, simultaneously because the spring has good elasticity, consequently, after the injection molding work completion of device, when the spring resets, people's drawing of patterns work has also been made things convenient for.
The part not related in the device all is the same with prior art or can adopt prior art to realize, and the device design structure is reasonable, and convenient to use satisfies people's user demand.
Drawings
Fig. 1 is a schematic view of the overall structure of a plastic helmet mold convenient for demolding according to the present invention;
fig. 2 is a schematic front sectional structural view of a plastic helmet mold facilitating demolding according to the present invention;
fig. 3 is an enlarged schematic structural view of a position a of the plastic helmet mold convenient for demolding according to the present invention;
fig. 4 is an enlarged schematic structural diagram of a position B of the plastic helmet mold convenient for demolding.
In the figure: 1. a base plate; 2. a support plate; 3. a positioning column; 4. mounting a plate; 5. a material storage box; 6. injection molding a tube; 7. a hydraulic lever; 8. a top plate; 9. an upper die body; 10. a control panel; 11. positioning a groove; 12. a lower die cavity; 13. a table body; 14. a motor; 15. rotating the rod; 16. a partition plate; 17. a fixed mount; 18. an injection molding port; 19. an external thread; 20. a first chute; 21. a first slider; 22. a threaded sleeve; 23. a connecting rod; 24. a top rod; 25. pressing a plate; 26. a spring; 27. a second slider; 28. a second runner.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-4, a plastic helmet mold convenient for demolding comprises a bottom plate 1, a supporting plate 2 is fixedly connected to the outer wall of the top of the bottom plate 1, a top plate 8 is fixedly connected to the outer wall of one end of the supporting plate 2, a material storage box 5 is arranged on the outer wall of the top plate 8, injection molding slurry is contained in the material storage box 5, an injection molding pipe 6 is inserted into the outer wall of one side of the material storage box 5, a hydraulic rod 7 is fixedly connected to the outer wall of the top plate 8, a mounting plate 4 is fixedly connected to the outer wall of one end of the hydraulic rod 7, an upper mold body 9 is arranged on the outer wall of the bottom of the mounting plate 4, a table body 13 is fixedly connected to the outer wall of the top of the bottom plate 1, a lower mold groove 12 is formed in the outer wall of the top of the table 13, a push rod 24 is inserted into the inner wall of the bottom of the lower mold groove 12, a cavity is formed in the table 13, and an ejection assembly for driving the push rod 24 to move in the vertical direction is arranged on the outer wall of one side of the table body 13 and the inner part of the cavity, the outer wall of the top of the mounting plate 4 is provided with an injection molding opening 18, and the outer wall of the top of the mounting plate 4 is fixedly connected with a fixing frame 17.
Specifically, the ejection assembly comprises a motor 14 fixedly connected to the outer wall of one side of the table body 13, a rotating rod 15 is fixedly connected to the outer wall of one end of an output shaft of the motor 14, an external thread 19 is arranged on the outer wall of the circumference of the rotating rod 15, a threaded sleeve 22 is in threaded connection with the inner wall of the circumference of the external thread 19, a connecting rod 23 is hinged to the outer wall of the top of the threaded sleeve 22, one end of the connecting rod 23, far away from the threaded sleeve 22, is hinged to a mandril 24, partition plates 16 are fixedly connected to the inner walls of two sides of the cavity, one end of the mandril 24 penetrates through the outer wall of the top of the partition plate 16, a reinforcing column is fixedly connected to the outer wall of the bottom of the threaded sleeve 22, a first slider 21 is fixedly connected to the outer wall of one end of the reinforcing column, a first chute 20 is formed on the inner wall of the bottom of the cavity, a sliding connection is formed between the outer wall of the bottom of the first chute 20, and a limiting block is fixedly connected to the outer wall of the circumference of the rotating rod 15, and the cross section of the limiting block is a right triangle.
Further, one side outer wall fixedly connected with control panel 10 of backup pad 2, and form electric connection between control panel 10 and the motor 14, the bottom outer wall fixedly connected with reference column 3 of mounting panel 4, and the top outer wall of stage body 13 is opened there is constant head tank 11, reference column 3 is located constant head tank 11 directly over, the bottom inner wall welding of constant head tank 11 has spring 26, the top outer wall welding of spring 26 has clamp plate 25, second spout 28 has all been opened to the both sides inner wall of constant head tank 11, and one side inner wall sliding connection of second spout 28 has second slider 27, one side outer wall of second slider 27 and one side outer wall of clamp plate 25 form fixed connection.
The working principle is as follows: when people need to perform injection molding production of the plastic helmet, the hydraulic rod 7 can be started firstly, the hydraulic rod 7 drives the upper mold body 9 to move downwards, at the moment, the positioning column 3 can move along with the movement of the upper mold body 9 until the positioning column 3 is accurately inserted into the positioning groove 11, so that the precise matching between the upper mold body 9 and the lower mold groove 12 of the injection mold is ensured, the quality of an injection molded product is improved, in the process that the positioning column 3 is inserted into the positioning groove 11, the positioning column 3 can give downward pressure to the pressing plate 25, because the spring 26 is fixedly connected with the bottom of the pressing plate 25, a good damping and buffering effect is achieved, the service lives of the positioning column 3 and the positioning groove 11 are prolonged, meanwhile, because the spring 26 has good flexibility, when the spring 26 is reset after the injection molding work of the device is completed, the demolding work of people is also facilitated, and after the positioning work of the injection mold is completed, the injection molding slurry in the storage tank 5 is injected into the lower die cavity 12 through the injection molding pipe 6 through the injection molding port 18, the injection molding work of the plastic helmet is completed, after the injection molding work of people on the product is finished, the motor 14 can be started, the rotating rod 15 can be driven to rotate together by the rotation of the motor 14, when the rotating rod 15 rotates, the threaded sleeve 22 sleeved on the outer wall of the rotating rod can move horizontally, and when the threaded sleeve 22 moves horizontally, the connecting rod 23 hinged at the top of the mould can do vertical movement, thereby the injection moulding product in the lower mould groove 12 can be quickly ejected out through the ejector rod 24, the demoulding work of people is convenient, fixed connection is at 15 circumference outer wall stoppers of dwang simultaneously, can make dwang 15 drive the lower die cavity 12 block that can be accurate when ejector pin 24 resets, avoids ejector pin 24 to appear overlength or the short unqualified condition emergence that leads to injection moulding product in lower die cavity 12.
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.