CN219600231U - Mould for producing screw cap - Google Patents
Mould for producing screw cap Download PDFInfo
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- CN219600231U CN219600231U CN202320054925.9U CN202320054925U CN219600231U CN 219600231 U CN219600231 U CN 219600231U CN 202320054925 U CN202320054925 U CN 202320054925U CN 219600231 U CN219600231 U CN 219600231U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the field of dies, in particular to a die for producing a threaded cover, which comprises a fixed die and a movable die, wherein the fixed die comprises a positioning ring, a pouring system, an upper fixed plate, a female die plate and a female die core, the movable die comprises a lower fixed plate, an upper ejector plate, a lower ejector plate, a thimble, a die angle, a male die plate, a male die core and a lower fixed plate, the die also comprises a guide post, a reset rod and a guide rod, and the die can be used for manufacturing the threaded cover with internal threads and does not damage the internal threads in the demolding process.
Description
Technical Field
The utility model relates to the field of dies, in particular to a die for producing a threaded cap.
Background
The mould is a tool for manufacturing a molded article, the tool is composed of various parts, and the parts composed of different moulds are different, so that the blank is made into a workpiece tool with a specific shape and size under the action of external force. The method is widely applied to the compression molding or injection molding of products such as blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting engineering plastics, rubber, ceramics and the like.
For the existing manufacturing mould for the screw cap, the screw structure is easy to damage in the demoulding process, but the screw cap to be manufactured is provided with a long and narrow through hole on the side surface of the cap body, so that the screw structure is changed, the structure is more complex than that of a common screw cap, the requirement on the mould is higher, and the manufacturing process is more difficult.
Disclosure of Invention
The present utility model is directed to a mold for producing a screw cap, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the embodiment of the utility model discloses a die for producing a threaded cap, which comprises a fixed die and a movable die, wherein the fixed die comprises a positioning ring, a pouring system, an upper fixed plate, a female die plate and a female die core; the movable die comprises a lower fixed plate, an upper ejector plate, a lower ejector plate, a thimble, a die angle, a male die plate, a male die core and a lower fixed plate;
the upper fixing plate is fixed above the master template, through holes are formed in the middle position of the upper fixing plate and the middle position of the master template, the pouring system is wrapped by the through holes, the positioning ring is fixed above the pouring system and inlaid above the upper fixing plate, a first square groove is formed in the inner side of the master template, and the master cavity is arranged in the first square groove;
the upper ejector plate and the lower ejector plate are arranged on the inner side of the die angle, a second groove is formed in the upper part of the male die plate, the second groove is square, and the male die core is arranged in the second groove;
the female die plate is arranged above the male die plate, and the female die core is arranged above the male die core;
the contact surfaces of the female die core and the male die core are provided with third grooves, and the profile formed by the third grooves is a part of the profile of the threaded cover.
Optionally, the die further comprises a guide post, a reset rod and a guide rod, wherein a guide post sleeve is nested outside the guide post, a reset spring is nested outside the reset rod, a guide spring is nested outside the guide rod, first circular through holes are formed in the inner sides of four corners of the upper fixing plate, the female die plate, the male die plate and the lower fixing plate and in the inner sides of two ends of the die corner, and the guide post penetrates through the first circular through holes;
the inner side of four corners of the upper ejector plate and the lower ejector plate are provided with second circular through holes, and the reset rod penetrates through the second circular through holes;
the upper fixing plate, the female die plate, the male die plate, the lower fixing plate, the upper ejector plate and the lower ejector plate are internally provided with third round through holes, the third round through holes are not overlapped with the first round through holes and the second round through holes, and the guide rods penetrate through the third round through holes.
Optionally, the gating system includes sprue, subchannel, runner and cold material well, the second subchannel with the sprue intercommunication, the cold material well is located the top of subchannel, the runner is located the below of subchannel.
Optionally, the mold further comprises an electronic micro switch, and the electronic micro switch is fixed on the side walls of the lower fixing plate and the lower ejection plate.
Optionally, the male template and the upper fixing plate are fixed by a side locating plate.
Optionally, a support column is arranged between the male template and the upper ejector plate, and the support column penetrates through the upper ejector plate.
Optionally, the outside of public mould benevolence and female mould benevolence is provided with the slider structure, the slider structure includes slider, oblique guide pillar fixing base and oblique guide pillar antifriction plate, one side of slider is provided with the slope structure, slope structure top is fixed with the antifriction plate, the slider top is opened there is the fourth recess, in inserting the fourth recess to the oblique guide pillar below, the oblique guide pillar top is fixed in oblique guide pillar fixing base.
Optionally, a side core is disposed in the third groove between the female die core and the male die core.
Optionally, circular through holes are formed in the side surfaces of the female template and the male template.
Optionally, the screw cap includes base and circular lid, the circular lid is fixed in the base top, circular through-hole has been opened in the middle of the circular lid and runs through the base, two long and narrow through-holes have been opened to the lateral wall of circular lid, two long and narrow through-holes symmetry sets up, be provided with the screw thread between two long and narrow through-holes of the inside wall of circular lid
The utility model has the beneficial effects that at least one of the following steps is realized:
1. the mold can produce a special threaded cover, the side surface of the threaded cover is provided with long and narrow through holes, and threads are arranged between the long and narrow through holes.
2. The mould can reduce damage to the inner side threads of the threaded cover in the process of producing the threaded cover.
Drawings
The utility model is further explained below with reference to the drawings and examples:
FIG. 1 is a schematic view of the overall structure of a mold according to the present utility model;
FIG. 2 is a schematic diagram of a casting system according to the present utility model;
FIG. 3 is a schematic view of a slider structure of the present utility model;
FIG. 4 is a schematic view of the thimble structure of the present utility model;
FIG. 5 is a schematic view of the internal structure of the mold of the present utility model;
FIG. 6 is a schematic view of the screw cap of the present utility model;
fig. 7 is a schematic view showing the upper structure of the lower fixing plate of the present utility model.
In the figure: 1, a positioning ring; 2, fixing a plate; 3, mother templates; 4 female mold core; 5, pouring a system; 6, fixing the plate; 7, an ejector plate is arranged on the upper part; 8, a lower ejector plate; 9 ejector pins; 10 die angle; 11 male templates; 12 male mold cores; 13 lower fixing plate; 14 guide posts; 15 reset lever; 16 guide rods; 17 an electronic micro switch; 18 side positioning plates; 19 support columns; 20 a slider structure; a slider 201; 202 oblique guide post fixing seat; 203 oblique guide post wear plates; 204 oblique guide posts; 51 primary flow path; 52 split runners; 53 gates; 54 cold material wells; a 21-side core; 22 screw cap; 221 base; 222 a circular cover; 23 a first circular through hole; 24 a second circular through hole; 25 a third circular through hole.
Detailed Description
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1, 4 and 5, the present utility model provides a mold for producing a screw cap 22, comprising a fixed mold and a movable mold, wherein the fixed mold comprises a positioning ring 1, a casting system 5, an upper fixing plate 2, a female mold plate 3 and a female mold core 4, and the movable mold comprises a lower fixing plate 13, an upper ejector plate 7, a lower ejector plate 8, a thimble 9, a mold angle 10, a male mold plate 11, a male mold core 12 and a lower fixing plate 13. The molten material is injected into the inner cavity, the injection molding process is completed, after a period of pressure maintaining, the mold is separated from the position of the parting line, and the injected part can be taken out. The fixed mold is fixed, and the other end is gradually separated from the fixed mold, which is called a movable mold.
The novel casting mold is characterized in that the upper fixing plate 2 is fixed above the female mold plate 3, through holes are formed in the middle position of the upper fixing plate 2 and the middle position of the female mold plate 3, the pouring system 5 is wrapped by the through holes, the positioning ring 1 is fixed above the pouring system 5 and inlaid above the upper fixing plate 2, a first square groove is formed in the inner side of the female mold plate 3, and the female mold core 4 is arranged in the first square groove. The positioning ring 1 is fixed above the pouring system 5 and corresponds to a positioning device, and when the injection molding machine is arranged on a mold, in order to ensure that the sprue 53 sleeve of the mold is horizontal to the nozzle position of the injection molding machine and ensure that the sprue 53 sleeve and the nozzle position of the injection molding machine are completely overlapped, the mold needs to be positioned, so that a concentric ring is added outside the sprue 53 sleeve of the mold. The concentric ring acts as a positioning ring 1, is as large as a front template hole of the injection molding machine, is fixed above the pouring system 5, and can ensure that the position of a sprue 53 sleeve of the mold is consistent with the position of a nozzle.
The die angle 10, the lower ejector plate 8 and the upper ejector plate 7 are fixed above the lower fixing plate 13, the upper part of the ejector pin 9 is connected with the male die plate 11, the lower part of the ejector pin is fixed on the upper ejector plate 7, the die angle 10 is two, the upper ejector plate 7 and the lower ejector plate 8 are arranged on the inner side of the die angle 10, a second groove is formed above the male die plate 11, the second groove is square, and the male die core 12 is arranged in the second groove. The lower ejector plate 8 is used for fixing the upper ejector plate 7, the upper ejector plate 7 is used for fixing the ejector pins 9, and the ejector pins 9 can be used for separating products from the die in the demolding process.
The female die plate 3 is arranged above the male die plate 11, and the female die core 4 is arranged above the male die core 12.
Grooves are formed on the contact surfaces of the female die core 4 and the male die core 12, and the profile formed by the grooves is the profile of the threaded cover 22. When the injection molding material is injected into the grooves between the mold cores through the casting system 5, and the complete filling of the grooves is completed until the shape of the injection molding material is the shape of the desired article.
Referring to fig. 5, the mold further includes a guide post 14, a reset lever 15, and a guide lever 16, wherein a guide post sleeve is nested outside the guide post 14, a reset spring is nested outside the reset lever 15, and a guide spring is nested outside the guide lever 16. The guide post sleeve protects the guide post 14 from the ingress of chips and other sharp objects. The inner sides of the four corners of the upper fixing plate 2, the female die plate 3, the male die plate 11 and the lower fixing plate 13 and the inner sides of the two ends of the die corner 10 are provided with first circular through holes, and the guide posts 14 penetrate through the first circular through holes. The guide post 14 serves as an important component in the mold where functions including guiding, supporting and positioning are performed. The guiding function can ensure that the butt joint can be normally carried out in the processes of freezing the film and the fixed die, so that the fixed die is prevented from being inaccurate, and the die cannot be used. The supporting function is to avoid the situation that the ejector plate is inclined in the ejection process, and the supporting function can support the action of the ejector plate, so that the top plate is ensured to be in stable operation in the operation process.
The inner side of four corners of the upper ejector plate 7 and the lower ejector plate 8 is provided with second circular through holes, the reset rod 15 penetrates through the second circular through holes, after demolding of each product, the related template mold core and other structures must return to the original positions in order to continue injection molding, and the reset rod 15 is sleeved with springs, so that the effect that the related structures return to the original positions again after demolding is mainly achieved.
The upper fixing plate 2, the female die plate 3, the male die plate 11, the lower fixing plate 13, the upper ejector plate 7 and the lower ejector plate 8 are internally provided with third circular through holes, the third circular through holes are not overlapped with the first circular through holes and the second circular through holes, and the guide rods 16 penetrate through the third circular through holes. The guide bar 16 of the mold plays a guiding role to guide the male mold plate 11 and the female mold plate 3 to be attached and detached in a correct position.
Referring to fig. 4, the pouring system 5 includes a main runner 51, a split runner 52, a gate 53 and a cold material well 54, wherein the split runner 52 includes a first split runner 52 and a second split runner 52, the split runner 52 is in communication with the main runner 51, the cold material well 54 is located at a top end of the split runner 52, and the gate 53 is located below the split runner 52. Injection molding material enters the pouring system 5 through the positioning ring 1, enters the main runner 51, and then enters the sub-runner 52 through the main runner 51, so as to prevent cold material from entering the cavity to affect the quality of a plastic part, and enable the molten material to smoothly fill a structure of the cavity, and a cold material well 54 is usually arranged at the top end of the sub-runner 52.
Referring to fig. 1, the mold further includes an electronic micro switch 17, where the electronic micro switch 17 is fixed on the side walls of the lower fixing plate 13 and the lower ejector plate 8, and is used to transmit signals to the injection molding machine, before the mold is closed, when the lower ejector plate 8 moves back to the specified position, the electronic micro switch 17 is closed, a signal is given to the injection molding machine to perform mold closing, and if the lower ejector plate 8 does not move back to the specified position, the electronic micro switches 17 cannot be contacted, i.e. the switches cannot be contacted, and the injection molding machine cannot obtain the signal, and cannot perform mold closing.
Referring to fig. 1, the male mold plate 11 and the upper mold plate 2 are fixed by a side positioning plate 18, and the side positioning plate 18 is used for fixing the male mold plate 11 of the upper mold plate 2 and the female mold plate 3 after mold closing.
Referring to fig. 5, a support column 19 is disposed between the male mold plate 11 and the upper ejector plate 7, and the support column 19 penetrates through the upper ejector plate 7. The male mold plate 11 is pressed during injection molding, and is supported to prevent the male mold plate 11 from being deformed by the pressing.
Referring to fig. 3, a slide block structure 20 is disposed on the outer sides of the male mold core 12 and the female mold core 4. The sliding block structure 20 comprises a sliding block 201, an inclined guide pillar fixing seat 202 and an inclined guide pillar wear-resisting plate 203, wherein an inclined structure is arranged on one side of the sliding block 201, the inclined guide pillar wear-resisting plate 203 is fixed on the upper side of the inclined structure, a fourth groove is formed in the upper side of the sliding block 201, the fourth groove is of an inclined structure, the lower side of the inclined guide pillar 14 is inserted into the fourth groove, the upper side of the inclined guide pillar 14 is fixed in the inclined guide pillar fixing seat 202, in order to prevent products from being pulled out towards the rear in the demolding process, the products are damaged due to larger stress, the sliding block 201 is often adopted for demolding, a certain angle is formed on one side of the sliding block 201 in an inclined mode, and the sliding block slides obliquely downwards in the demolding process, so that the pulling force towards the rear direction can be reduced, and the products are not damaged easily.
Referring to fig. 3, a side core 21 is disposed in the third recess between the female mold core 4 and the male mold core 12, and as shown in the product drawing, the product includes various types of through holes, especially the through hole of the threaded piece, besides the basic external structure, and the side core 21 is required to ensure that the threads are not damaged during the demolding process.
Referring to fig. 1, the sides of the female mold plate 3 and the male mold plate 11 are respectively provided with a circular through hole, and the through holes are convenient for air to flow in, so that injection molding materials can be injected into the mold core for early cooling.
Referring to fig. 6, the screw cap 22 includes a base 221 and a circular cap body 222, the circular cap body 222 is fixed above the base 221, a circular through hole is formed in the middle of the circular cap body 222 and penetrates through the base 221, two long and narrow through holes are formed in the side wall of the circular cap body 222, the two long and narrow through holes are symmetrically arranged, a screw thread is arranged between the two long and narrow through holes on the inner side wall of the circular cap body 222, the screw cap 22 is fixed by the ejector pin 9 in the injection molding process, a gap is reserved between two supporting handles of the ejector pin 9, the two supporting handles can be close inwards to each other, when the two supporting handles are outwards opened, the screw cap 22 can be fixed, when the two supporting handles are close to each other inwards in demolding, the screw cap 22 can fall off from the ejector pin 9, and the traditional direct extraction mode is replaced, and the internal screw thread of the screw cap 22 can be prevented from being damaged.
After the mold for the given screw cap 22 is prepared, the mold is placed into an injection molding machine, the injection molding machine closes the mold, the mold is kept closed during injection molding of the plastic under the action of a clamp, then the injection molding machine injects the injection molding material in a fluid state into the mold, and pressure is continuously applied to compress the melt, increasing the density of the plastic to compensate for the shrinkage behavior of the plastic. Under the drive of pressure, the plastic melt enters the main runner 51 and the branch runner 52 of the mold through the nozzle of the injection molding machine, then enters the mold cavity through the gate 53, and after cooling for a period of time, the screw cap 22 is molded. Then, the demolding process is performed, the male mold plate 11 is pushed backwards, the male mold core 12 and the female mold core 4 are separated, the related side mold core 21 is directly demolded, the relatively special side mold core 21 is demolded through the sliding block 201, in order to prevent the threads from being damaged, the two support handles of the thimble 9 are contracted inwards until one end of the support handle of the thimble 9 is not touched to the threads any more, and then the thread cover 22 is taken out.
The device elements in the above embodiments are conventional device elements unless otherwise specified, and the connection and control methods are conventional connection and control methods unless otherwise specified.
While the utility model has been described with reference to the embodiments, those skilled in the art will understand that various specific parameters in the above embodiments may be changed without departing from the spirit of the utility model, and thus a plurality of specific embodiments are common variation ranges of the utility model, and will not be described in detail herein.
Claims (10)
1. The die for producing the threaded cap comprises a fixed die and a movable die, wherein the fixed die comprises a positioning ring, a pouring system, an upper fixed plate, a female die plate and a female die core; the movable die comprises a lower fixed plate, an upper ejector plate, a lower ejector plate, a thimble, a die angle, a male die plate, a male die core and a lower fixed plate, and is characterized in that,
the upper fixing plate is fixed above the master template, through holes are formed in the middle position of the upper fixing plate and the middle position of the master template, the pouring system is wrapped by the through holes, the positioning ring is fixed above the pouring system and inlaid above the upper fixing plate, a first square groove is formed in the inner side of the master template, and the master cavity is arranged in the first square groove;
the upper ejector plate and the lower ejector plate are arranged on the inner side of the die angle, a second groove is formed in the upper part of the male die plate, the second groove is square, and the male die core is arranged in the second groove;
the female die plate is arranged above the male die plate, and the female die core is arranged above the male die core;
the contact surfaces of the female die core and the male die core are provided with third grooves, and the profile formed by the third grooves is a part of the profile of the threaded cover.
2. The mold for producing the threaded cap according to claim 1, further comprising a guide post, a reset rod and a guide rod, wherein a guide post sleeve is nested outside the guide post, a reset spring is nested outside the reset rod, a guide spring is nested outside the guide rod, first circular through holes are formed in the inner sides of four corners of the upper fixing plate, the female die plate, the male die plate and the lower fixing plate and in the inner sides of two ends of the die corner, and the guide post penetrates through the first circular through holes;
the inner side of four corners of the upper ejector plate and the lower ejector plate are provided with second circular through holes, and the reset rod penetrates through the second circular through holes;
the upper fixing plate, the female die plate, the male die plate, the lower fixing plate, the upper ejector plate and the lower ejector plate are internally provided with third round through holes, the third round through holes are not overlapped with the first round through holes and the second round through holes, and the guide rods penetrate through the third round through holes.
3. The mold for producing a screw cap according to claim 1, wherein the pouring system comprises a main runner, a sub-runner, a gate and a cold material well, the sub-runner is communicated with the main runner, the cold material well is positioned at the top end of the sub-runner, and the gate is positioned below the sub-runner.
4. The mold for producing a screw cap according to claim 1, further comprising an electronic micro switch fixed to the side walls of the lower fixing plate and the lower ejector plate.
5. A mould for producing screw caps according to claim 1, wherein the male mould plate and the upper fixing plate are fixed by means of side locating plates.
6. A mould for producing screw caps according to claim 1, wherein a support post is provided between the male mould plate and the upper ejector plate, the support post penetrating the upper ejector plate.
7. The mold for producing the threaded cap according to claim 1, wherein the outer sides of the male mold core and the female mold core are provided with a sliding block structure, the sliding block structure comprises a sliding block, an inclined guide pillar fixing seat and an inclined guide pillar wear-resisting plate, one side of the sliding block is provided with an inclined structure, the wear-resisting plate is fixed above the inclined structure, a fourth groove is formed above the sliding block, the fourth groove is of an inclined structure, the lower part of the inclined guide pillar is inserted into the fourth groove, and the upper part of the inclined guide pillar is fixed in the inclined guide pillar fixing seat.
8. The mold for producing a screw cap according to claim 1, wherein a side core is provided in the third groove between the female core and the male core.
9. The mold for producing a screw cap according to claim 1, wherein the female mold plate and the male mold plate are provided with circular through holes on the sides thereof.
10. The mold for producing the threaded cap according to claim 1, wherein the threaded cap comprises a base and a circular cap body, the circular cap body is fixed above the base, a circular through hole is formed in the middle of the circular cap body and penetrates through the base, two long and narrow through holes are formed in the side wall of the circular cap body, the two long and narrow through holes are symmetrically arranged, and threads are arranged between the two long and narrow through holes in the inner side wall of the circular cap body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320054925.9U CN219600231U (en) | 2023-01-09 | 2023-01-09 | Mould for producing screw cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320054925.9U CN219600231U (en) | 2023-01-09 | 2023-01-09 | Mould for producing screw cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219600231U true CN219600231U (en) | 2023-08-29 |
Family
ID=87738461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320054925.9U Active CN219600231U (en) | 2023-01-09 | 2023-01-09 | Mould for producing screw cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219600231U (en) |
-
2023
- 2023-01-09 CN CN202320054925.9U patent/CN219600231U/en active Active
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