CN218019818U - Split type die cavity - Google Patents
Split type die cavity Download PDFInfo
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- CN218019818U CN218019818U CN202221325344.6U CN202221325344U CN218019818U CN 218019818 U CN218019818 U CN 218019818U CN 202221325344 U CN202221325344 U CN 202221325344U CN 218019818 U CN218019818 U CN 218019818U
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Abstract
The utility model belongs to the technical field of the mould, a split type die cavity is disclosed, including die cavity body and die cavity catch, the one end that die cavity body and die cavity catch are connected is the catch end, the other end of die cavity body is the link, still include the die cavity bottom that is connected with the link in a detachable mode, the die cavity bottom includes shaping section, sprue section and the injection section that sets gradually, the cross-section of die cavity bottom at arbitrary vertical face is the annular; the injection molding device is characterized in that a connecting circular groove is formed in the connecting end, when the mold cavity body is connected with the bottom of the mold cavity, the molding section and the injection port section are inserted into the connecting circular groove, and one end face of the injection section is mutually abutted to the top end face of the connecting circular groove. The utility model discloses a structural design at the bottom of special die cavity has reduced the preparation time at the bottom of the die cavity, has practiced thrift the mould and has maintained the maintenance cost to the connected mode through the similar joint at the bottom of die cavity body and the die cavity makes the die cavity end stable with being connected of die cavity body.
Description
Technical Field
The utility model belongs to the technical field of the mould, concretely relates to split type die cavity.
Background
In the design of a common bottle blank production mold, a matching conical surface of a mold lip and a mold cavity is used as a parting surface, and in the existing mold design, because the matching conical surface of the mold lip and the mold cavity has friction in a high-pressure mold locking state, the number of times of friction of the mold is 8640 times a day, 259200 times of friction in 30 days and 3110400 times of friction in a year is calculated according to a 10-second molding cycle. Therefore, under the long-time working state of the die, the conical surface of the die cavity is extremely easy to wear and scrap, and the cost is higher if the whole die cavity is replaced.
And in the mold design of the prior art, because the valve needle is also used for repeatedly sealing the needle at a high speed, the abrasion of the sprue is caused, and the abrasion of the sprue can cause that: the product gate flash, product afterbody dashes out the flower and influences product quality.
Chinese patent 201910549956.x discloses a connection structure of a kind of die cavity clamping ring and die cavity, including clamping ring, die cavity, the die bottom of axial installation in proper order, the outside of die cavity and die bottom is equipped with the die cavity board, the inboard inner chamber that is used for installing die cavity and die bottom that is equipped with of die cavity, the tip at the die cavity board is installed to the clamping ring, be equipped with between clamping ring and the die cavity and be used for the fixed pin that circumference is fixed to be connected, the axial setting of clamping ring and die cavity is followed to the fixed pin, be equipped with the locating hole that is used for installing the fixed pin on the clamping ring, be equipped with the flange with the end connection of die cavity board on the die cavity, the outside at flange top is equipped with the constant head tank that is used for being connected with the fixed pin, in the one end of fixed pin inserted the constant head tank, other end joint is in the constant head tank.
The mold cavity is divided into three parts by the mold locking ring, the mold cavity and the bottom mold, and the fixing pin is arranged between the mold locking ring and the mold cavity for fixed connection, so that the mold cavity is circumferentially fixed; however, the connection between the mold cavity and the bottom mold is not firm, the connection between the mold cavity and the bottom mold needs to be fixed through the mold cavity plate, the deviation between the mold cavity and the bottom mold is easy to occur under the condition that the needle is repeatedly sealed at a high speed, and as long as the bottom mold has a circumferential deviation of a thread, the inlet of the whole cooling channel deviates, so that the cooling water flows unsmoothly, and the product quality is finally influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a split type die cavity, which changes the existing die core seat structure, has lower manufacturing cost of a die core locking ring, is convenient to maintain and replace, saves cost for customers and is more environment-friendly; after the die cavity bottom and the die cavity body are separately designed, only the die cavity bottom needs to be replaced after a sprue is worn, the whole die cavity does not need to be replaced, the die maintenance cost is greatly saved, and the die cavity bottom manufacturing time is reduced.
In order to achieve the above object, the utility model provides a following technical scheme:
a split type die cavity comprises a die cavity body and a die cavity locking ring which are formed in a split mode, wherein one end, connected with the die cavity locking ring, of the die cavity body is a locking ring end, the other end of the die cavity body is a connecting end, the die cavity bottom is detachably connected with the connecting end and is of an integrally formed structure, the die cavity bottom comprises a forming section, an injection section and an injection section which are sequentially arranged, and the cross section of the die cavity bottom on any vertical surface is annular;
the injection molding device is characterized in that a connecting circular groove is formed in the connecting end, when the mold cavity body is connected with the bottom of the mold cavity, the molding section and the injection port section are inserted into the connecting circular groove, and one end face of the injection section is mutually abutted to the top end face of the connecting circular groove.
In the split type die cavity, a forming arc surface with an outer width and an inner width is arranged in the forming section, and a first sealing groove is annularly arranged on the outer wall of the forming section.
In the split mold cavity, a glue injection channel is arranged in the sprue section, and the narrow end of the molding cambered surface is communicated with the glue injection channel.
In the split type die cavity, a containing cavity matched with an injection molding nozzle arranged outside is arranged in the injection section, and the containing cavity is communicated with the injection molding channel.
In the split type die cavity, a second sealing groove is annularly arranged on the outer wall of the injection section.
In the split type die cavity, the die cavity locking ring comprises a connecting block connected with an external die lip and a guide cylinder arranged on the connecting block, a plurality of threaded holes are formed in the connecting block, and the die cavity locking ring penetrates through the threaded holes through bolts or screws to be fixedly connected with the external die lip.
In the split type die cavity, the hollow part of the guide cylinder penetrates through the connecting block, and the top end of the guide cylinder is provided with a positioning opening.
In the split type die cavity, a fixing column matched with the positioning opening is arranged on the die cavity body; when the die cavity locking ring is fixedly connected with the die cavity body, the end of the locking ring is embedded into the guide barrel, and the fixing column is inserted into the positioning opening so as to lock the circumferential positions of the die cavity locking ring and the die cavity body.
In the split type die cavity, a third sealing groove is annularly arranged on the guide cylinder.
In the split type die cavity, the outer surface of the connecting end is provided with a cooling channel communicated to the inside of the die cavity body, and the outer wall of the locking ring end is annularly provided with a fourth sealing groove.
Compared with the prior art, the beneficial effects of the utility model are that: through the structural design at the bottom of special die cavity, reduced the die cavity at the bottom of the preparation time, practiced thrift the mould and maintained the cost to the connected mode through the grafting at the bottom of die cavity body and the die cavity makes the die cavity at the bottom of stable with being connected of die cavity body, and also can not make cooling channel's entry produce the skew when the atress produces the circumference skew at the bottom of the die cavity.
Drawings
Fig. 1 is a profile view of an embodiment of the present invention;
fig. 2 is a perspective view of an embodiment of the present invention;
fig. 3 is a front view of an embodiment of the present invention;
fig. 4 is a front view of a mold cavity bottom according to an embodiment of the present invention;
fig. 5 is a perspective view of the mold cavity bottom of an embodiment of the present invention 1;
fig. 6 is a perspective view of the mold cavity bottom of an embodiment of the present invention 2;
fig. 7 is a left side view of a mold cavity bottom of an embodiment of the present invention;
fig. 8 is a right side view of a mold cavity bottom of an embodiment of the present invention;
fig. 9 is a perspective view 1 of a die cavity body of an embodiment of the present invention;
fig. 10 is a perspective view 2 of a die cavity body of an embodiment of the present invention;
fig. 11 is a perspective view 3 of a die cavity body according to an embodiment of the present invention;
fig. 12 is a perspective view of a mold cavity lock ring of an embodiment of the present invention;
fig. 13 is a right side view of a mold cavity lock ring of an embodiment of the present invention;
fig. 14 is a front view of a cavity lock ring of an embodiment of the present invention.
In the figure: 1. the die cavity comprises a die cavity body, 2, a die cavity locking ring, 3, a die cavity bottom, 11, a locking ring end, 12, a connecting end, 13, a connecting circular groove, 14, a fixing column, 15, a cooling channel, 16, a fourth sealing groove, 21, a connecting block, 22, a guide cylinder, 23, a positioning opening, 24, a third sealing groove, 31, a forming section, 32, an injection opening section, 33, an injection section, 34, a first sealing groove, 35, a forming arc surface, 36, a glue injection channel, 37, an accommodating cavity, 38 and a second sealing groove.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-14, the present invention provides a technical solution: a split type die cavity comprises a die cavity body 1 and a die cavity locking ring 2 which are formed in a split mode, wherein one end, connected with the die cavity locking ring 2, of the die cavity body 1 is a locking ring end 11, the other end of the die cavity body 1 is a connecting end 12, the die cavity comprises a die cavity bottom 3 which is detachably connected with the connecting end 12, the die cavity bottom 3 is of an integrally formed structure, the die cavity bottom 3 comprises a forming section 31, an injection port section 32 and an injection section 33 which are sequentially arranged, and the cross section of the die cavity bottom 3 on any vertical surface is annular;
the connecting end 12 is internally provided with a connecting circular groove 13, when the die cavity body 1 is connected with the die cavity bottom 3, the molding section 31 and the injection port section 32 are inserted in the connecting circular groove 13, and one end face of the injection section 33 is mutually abutted against the top end face of the connecting circular groove 13.
In practical application, when a mold cavity is required to form a mold for producing an injection molding bottle blank, the mold cavity locking ring 2, the mold cavity body 1 and the mold cavity bottom 3 are sequentially connected and combined to form a mold cavity for use; in the assembling process, the molding section 31 and the injection section 32 of the cavity bottom 3 are embedded into the circular connecting groove 13, so that the connection between the cavity body 1 and the cavity bottom 3 is stable, and the deviation is avoided.
The molding section 31, the injection section 32 and the injection section 33 are used as the constituent structure of the mold cavity bottom 3, and based on the requirement of bottle blank production, the internal structure of the mold cavity bottom 3 is designed as follows:
furthermore, a forming arc surface with a wide outside and a narrow inside is arranged in the forming section 31, and the forming section 31 is matched with the structure of the die cavity body 1 to form the bottle bottom part of the injection bottle blank.
Further, a glue injection channel 36 is arranged in the sprue section 32, and the narrow end of the molding arc surface 31 is communicated with the glue injection channel 36.
In practical applications, when the injection molded bottle blank is produced, the injection nozzle injects the glue into the injection port section 32 through the glue injection channel 36 and into the mold cavity body 1.
Furthermore, a receiving cavity 37 matched with an external injection nozzle is arranged in the injection section 33, and the receiving cavity 37 is communicated with the injection channel 36.
In practical application, the injection nozzle is inserted into the receiving cavity 37, the glue injection port of the injection nozzle is placed at the inlet of the injection channel 36 and is communicated with the injection channel 36, and the injection nozzle sprays glue from the glue injection port and injects the glue into the mold cavity through the injection channel 36.
In this embodiment, the cavity locking ring 2 includes a connecting block 21 connected to an external die lip and a guide cylinder 22 disposed on the connecting block 21, a plurality of threaded holes are disposed on the connecting block 21, and the cavity locking ring 2 is fixedly connected to the external die lip by bolts or screws passing through the threaded holes.
In practical application, after the die cavity is assembled, the die cavity can be fixedly connected with the die lip through the connecting block 21 and then connected with the die core and the like to assemble the whole die.
In order to stabilize the connection between the cavity lock ring 2 and the cavity body 1 and avoid circumferential displacement of the cavity body 1, the hollow part of the guide cylinder 22 penetrates through the connecting block 21, and the top end of the guide cylinder 22 is provided with a positioning opening 23.
Further, a fixing column 14 matched with the positioning port 23 is arranged on the die cavity body 1; when the cavity lock ring 2 is fixedly connected with the cavity body 1, the lock ring end 11 is embedded into the guide cylinder 22, and the fixing column 14 is inserted into the positioning opening 23 so as to lock the circumferential position of the cavity lock ring 2 and the cavity body 1.
As the prior art, because the inside and the outside of the mold cavity are both provided with cooling channels for circulating cooling water to cool the whole mold cavity, as shown in fig. 9-11, the outer wall of the mold cavity body is provided with a plurality of communicated cooling grooves to match with the peripheral mold cavity plate to form a cooling channel outside the mold cavity, and as the same, the outer surface of the connecting end 12 is provided with a cooling channel 15 communicated with the inside of the mold cavity body 1;
in order to avoid that cooling water in the cooling channel inside and outside the mold cavity permeates into the mold cavity body 1 to affect the injection molding of the bottle blank, a first sealing groove 34 is annularly arranged on the outer wall of the molding section 31, a second sealing groove 38 is annularly arranged on the outer wall of the injection section 33, a third sealing groove 24 is annularly arranged on the guide cylinder 22, and a fourth sealing groove 16 is annularly arranged on the outer wall of the lock ring end 11; thereby all overlap and be equipped with the sealing washer on first seal groove 34, second seal groove 38, third seal groove 24 and the fourth seal groove 14 and cooperate to form sealedly, prevent that the cooling channel cooling water of die cavity inside, outside the die cavity from revealing the quality that influences the product.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A split type die cavity comprises a die cavity body and a die cavity locking ring which are formed in a split mode, wherein one end, connected with the die cavity locking ring, of the die cavity body is a locking ring end, the other end of the die cavity body is a connecting end, the split type die cavity is characterized by further comprising a die cavity bottom which is detachably connected with the connecting end, the die cavity bottom is of an integrated forming structure and comprises a forming section, an injection section and an injection section which are sequentially arranged, and the cross section of the die cavity bottom on any vertical surface is annular;
the injection molding device is characterized in that a connecting circular groove is formed in the connecting end, when the mold cavity body is connected with the bottom of the mold cavity, the molding section and the injection port section are inserted into the connecting circular groove, and one end face of the injection section is mutually abutted to the top end face of the connecting circular groove.
2. The split type die cavity according to claim 1, wherein a forming arc surface with a wide outer part and a narrow inner part is arranged in the forming section, and a first sealing groove is annularly arranged on the outer wall of the forming section.
3. The split mold cavity according to claim 2, wherein a glue injection channel is arranged in the sprue section, and a narrow end of the molding arc surface is communicated with the glue injection channel.
4. The split mold cavity of claim 3, wherein a receiving cavity matched with an external injection molding nozzle is arranged in the injection section, and the receiving cavity is communicated with the injection molding channel.
5. The split mold cavity of claim 1, wherein the outer wall of the injection section is provided with a second sealing groove thereon.
6. The split die cavity according to claim 1, wherein the die cavity locking ring comprises a connecting block connected with the external die lip and a guide cylinder arranged on the connecting block, a plurality of threaded holes are arranged on the connecting block, and the die cavity locking ring is fixedly connected with the external die lip through the threaded holes by bolts or screws.
7. The split mold cavity according to claim 6, wherein the hollow part of the guide cylinder penetrates through the connecting block, and a positioning opening is arranged on the top end of the guide cylinder.
8. The split mold cavity of claim 7, wherein the mold cavity body is provided with a fixing column matched with the positioning port; when the die cavity locking ring is fixedly connected with the die cavity body, the end of the locking ring is embedded into the guide cylinder, and the fixing column is inserted into the positioning opening so as to lock the circumferential positions of the die cavity locking ring and the die cavity body.
9. The split mold cavity according to claim 7, wherein a third seal groove is formed on the guide cylinder.
10. The split mold cavity according to claim 1, wherein the outer surface of the connecting end is provided with a cooling channel communicated to the inside of the mold cavity body, and the outer wall of the locking ring end is provided with a fourth sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325344.6U CN218019818U (en) | 2022-05-27 | 2022-05-27 | Split type die cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221325344.6U CN218019818U (en) | 2022-05-27 | 2022-05-27 | Split type die cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218019818U true CN218019818U (en) | 2022-12-13 |
Family
ID=84375166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221325344.6U Active CN218019818U (en) | 2022-05-27 | 2022-05-27 | Split type die cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218019818U (en) |
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2022
- 2022-05-27 CN CN202221325344.6U patent/CN218019818U/en active Active
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