CN213797799U - Injection mold for columnar plastic parts - Google Patents
Injection mold for columnar plastic parts Download PDFInfo
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- CN213797799U CN213797799U CN202022197557.2U CN202022197557U CN213797799U CN 213797799 U CN213797799 U CN 213797799U CN 202022197557 U CN202022197557 U CN 202022197557U CN 213797799 U CN213797799 U CN 213797799U
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Abstract
The utility model relates to the injection molding field, in particular to a columnar plastic part injection mold which comprises an inner core mechanism, an outer cooling mechanism and an inserting mechanism; the arrangement of each forming part enables the mold to directly form a clamping groove on the columnar plastic part; the arrangement of each insert block and each formed part ensures that the formed parts can be pulled out from the clamping grooves on the columnar plastic parts in the mold opening process of the mold, so that processing personnel can directly take the columnar plastic parts off the mold without retardation; meanwhile, the inner core mechanism, the outer cooling mechanism and the inserting mechanism are arranged together, so that the mold can be used for injection molding a cylindrical plastic part at one time.
Description
Technical Field
The utility model relates to an injection mold field especially relates to a column plastic part injection mold.
Background
Along with the rapid development of science and technology, the demand of many industries for injection products is increasing day by day, so the field of injection molds is also developing rapidly, and the injection molds are also subdivided into many branches, for example, according to the difference of workpiece shapes, they can be divided into plate-shaped plastic part injection molds, block-shaped plastic part injection molds, column-shaped plastic part injection molds, and the like, and as for the column-shaped plastic part injection molds, they are mainly used for forming column-shaped plastic parts, but the existing column-shaped plastic part injection molds still encounter the following technical problems in the practical application process:
firstly, part of the columnar plastic part plays a role in storage in the practical application process, so that various connecting structures can be arranged on the side wall of the columnar plastic part to enable the columnar plastic part to be matched with the protective cover, thereby achieving the functions of storage and protection, for the columnar plastic part needing to be provided with the clamping groove, a corresponding forming boss needs to be arranged on a mold, so that the rubber material can form the clamping groove along the outline of the forming boss, but the arrangement of the forming boss can form the clamping groove on the columnar plastic part, but when the columnar plastic part is subjected to demolding, the clamping groove and the forming boss can be mutually clamped, so that the columnar plastic part cannot be smoothly demolded;
particularly, because the side wall of the columnar plastic part is arc-shaped, the clamping groove can only be formed along the arc surface, and the existing injection mold for the columnar plastic part is difficult to directly form the clamping groove on the arc-shaped side wall of the columnar plastic part;
therefore, in order to solve the technical problem that the cylindrical plastic part cannot be smoothly demolded due to the clamping of the clamping groove and the forming boss, some manufacturers generally adopt a split injection molding method, that is, the cylindrical plastic part is split into two parts for injection molding, and then the two parts for split injection molding are assembled and welded into a whole to form the cylindrical plastic part.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a column plastic part injection mold, this column plastic part injection mold not only can directly go out the chucking groove on the lateral wall of each other of column plastic part, can prevent moreover that the chucking groove from taking place the jamming at the drawing of patterns in-process, can also direct once only injection moulding goes out column plastic part.
The purpose of the utility model is realized through the following technical scheme:
an injection mold for cylindrical plastic parts, comprising:
the core mechanism comprises a fixed die plate and a core column, the core column is arranged on the fixed die plate, and a plurality of sliding channels are formed in the fixed die plate;
the external cooling mechanism comprises a glue injection plate and an external cooling seat, wherein a glue injection hole is formed in the glue injection plate, the external cooling seat is arranged on the glue injection plate, a glue inlet hole and a forming groove which are mutually communicated are formed in the external cooling seat, and the glue inlet hole is communicated with the glue injection hole; and
the inserting mechanism comprises a plurality of inserting blocks and a plurality of forming parts, each inserting block is arranged on the rubber injection plate, each forming part is arranged in each sliding channel in a one-to-one corresponding sliding mode, and each forming part is provided with a forming boss;
when the core column is inserted into the forming groove, the insert blocks correspondingly support the forming parts to move towards the direction close to or away from the core column, so that the core column, the external cooling seat and the forming parts jointly enclose a forming cavity, and the forming bosses are located in the forming cavity.
In one embodiment, the inner core mechanism further includes a plurality of limiting posts, each of the limiting posts is disposed in the corresponding sliding channel, each of the forming members has a limiting groove, and the limiting groove is used for accommodating the limiting post.
In one embodiment, each limiting column is provided with a limiting dome, and the limiting domes are used for mutually propping against the groove walls of the limiting grooves.
In one embodiment, the core mechanism further comprises a core cooling tube disposed on the core barrel.
In one embodiment, the external cooling mechanism further includes a center seat cooling pipe and an edge seat cooling pipe, the center seat cooling pipe and the edge seat cooling pipe are respectively disposed on the external cooling seat, and the edge seat cooling pipe is located between the center seat cooling pipe and the glue injection plate.
In one embodiment, the injection mold for cylindrical plastic parts further includes a guiding mechanism, the guiding mechanism includes a guide pillar and a guide sleeve, the guide pillar is disposed on the glue injection plate, the guide sleeve is disposed on the fixed mold plate, and the guide pillar is used for penetrating the guide sleeve.
In one embodiment, the guide post is provided with an oil distributing ring groove.
In one embodiment, the insertion block is provided with an insertion chamfer.
In one embodiment, the forming piece is provided with an inclined insertion hole, and the hole wall of the inclined insertion hole is used for being mutually supported by the insertion block.
In one embodiment, the fixed die plate is provided with an alignment angle mark.
Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:
the utility model relates to the injection molding field, in particular to a columnar plastic part injection mold which comprises an inner core mechanism, an outer cooling mechanism and an inserting mechanism; the arrangement of each forming part enables the mold to directly form a clamping groove on the columnar plastic part; the arrangement of each insert block and each formed part ensures that the formed parts can be pulled out from the clamping grooves on the columnar plastic parts in the mold opening process of the mold, so that processing personnel can directly take the columnar plastic parts off the mold without retardation; meanwhile, the inner core mechanism, the outer cooling mechanism and the inserting mechanism are arranged together, so that the mold can be used for injection molding a cylindrical plastic part at one time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of an injection mold for a cylindrical plastic part according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a cylindrical plastic part;
fig. 3 is a schematic view of an internal structure of an injection mold for a cylindrical plastic part according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view at a of fig. 3.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2, 3 and 4, the injection mold 10 for a cylindrical plastic part includes an inner core mechanism 100, an outer cooling mechanism 200 and an insertion mechanism 300, wherein the inner core mechanism 100 and the outer cooling mechanism 200 are respectively disposed on the injection molding machine, and the insertion mechanism 300 is respectively connected to the inner core mechanism 100 and the outer cooling mechanism 200.
It should be noted that the injection mold 10 for cylindrical plastic parts is used for molding the cylindrical plastic part 30; the inner core mechanism 100 is used for enclosing a forming cavity 20 together with the external cooling mechanism 200 and the inserting mechanism 300; the external cooling mechanism 200 is used for cooling the rubber material; the portion of the insertion mechanism 300 is exposed to the molding cavity 20 and functions to mold the clamping groove 31 in the cylindrical plastic part.
Referring to fig. 1, 2 and 3, the core mechanism 100 includes a fixed mold plate 110 and a core column 120, the core column 120 is disposed on the fixed mold plate 110, and the fixed mold plate 110 is provided with a plurality of sliding channels 130.
It should be noted that the fixed mold plate 110 plays a role of fixing the core column 120; the core column 120 is arranged, so that an opening can be formed at one end of the columnar plastic part; the sliding channel 130 functions to guide the portions of the insertion mechanism 300 to slide.
Referring to fig. 1, 3 and 4, the external cooling mechanism 200 includes a glue injection plate 210 and an external cooling base 220, the glue injection plate 210 is provided with a glue injection hole 211, the external cooling base 220 is disposed on the glue injection plate 210, the external cooling base 220 is provided with a glue inlet hole 221 and a molding groove 222, which are mutually communicated, and the glue inlet hole 221 is communicated with the glue injection hole 211.
It should be noted that the glue injection plate 210 not only plays a role in fixing the external cooling seat 220, but also plays a role in guiding the flow of the glue; the arrangement of the outer cooling seat 220 enables the cylindrical plastic part to be formed with a side wall with a certain radian; during the actual injection molding process, the glue material will be injected into the glue inlet hole 221 through the glue injection hole 211, and flow into the molding groove 222 along the glue inlet hole 221.
Referring to fig. 2, fig. 3 and fig. 4, the inserting mechanism 300 includes a plurality of inserting blocks 310 and a plurality of forming members 320, each inserting block 310 is disposed on the glue injection plate 210, each forming member 320 is slidably disposed in each sliding channel 130 in a one-to-one manner, and each forming member 320 is provided with a forming boss 330.
It should be noted that the insertion block 310 is not only used for moving synchronously with the glue injection plate 210, but also used for supporting the molding member 320 to slide along the sliding channel 130; the forming parts 320 play a role in driving the forming bosses 330 to slide synchronously; the arrangement of the forming boss 330 enables the clamping groove 31 to be formed on the cylindrical plastic part.
In the actual injection molding process, the injection molding machine closes the driving inner core mechanism 100 and the external cooling mechanism 200, specifically, the fixed mold plate 110 and the glue injection plate 210 are driven by the injection molding machine to approach each other, when the core column 120 is inserted into the molding groove 222, each insert block 310 correspondingly supports each molded part 320 to move towards the direction approaching or departing from the core column 120, so that the core column 120, the external cooling base 220 and each molded part 320 jointly enclose the molding cavity 20, and each molding boss 330 is located in the molding cavity 20;
subsequently, the glue is injected into the gap between the molding groove 222 and the core column 120, and simultaneously, the glue is filled along the profile of the molding boss 330, so that the glue cannot fill the space occupied by the molding boss 330 in the molding cavity 20, and finally, the clamping groove can be directly molded on the cylindrical plastic part.
Referring to fig. 1 and fig. 3, in one embodiment, the core mechanism 100 further includes a plurality of limiting posts 140, the limiting posts 140 are correspondingly disposed in the sliding channels 130, each forming member 320 is provided with a limiting groove 321, and the limiting groove 321 is used for accommodating the limiting posts 140.
It should be noted that, after the forming member 320 slides to the predetermined position, the limiting column 140 falls into the limiting groove 321, so that the apparatus can accurately stop each forming member 320 at the predetermined position, and further the glue can be cooled and formed accurately along the forming boss 330 on the forming member 320, thereby improving the forming precision of the cylindrical plastic member.
Further, referring to fig. 3, in one embodiment, each of the limiting columns 140 is provided with a limiting dome 150, and the limiting dome 150 is used for supporting the groove wall of the limiting groove 321.
It should be noted that, the limiting dome 150 prevents the limiting column 140 from being unable to be removed from the limiting groove 321, so that when the molding member 320 is required to slide, the molding member 320 can smoothly slide along the predetermined track.
Referring to fig. 1 and 3, in one embodiment, the core mechanism 100 further includes a core cooling tube 160, and the core cooling tube 160 is disposed on the core barrel 120.
It should be noted that the inner core cooling tube 160 is used for communicating with an output end of an external water pump, so that heat on the rubber material in contact with the core column 120 can be quickly dissipated to the outside, and the cooling forming rate of the rubber material inside the cylindrical plastic part is increased.
Referring to fig. 1 and 3, in one embodiment, the external cooling mechanism 200 further includes a central base cold pipe 230 and an edge base cold pipe 240, the central base cold pipe 230 and the edge base cold pipe 240 are respectively disposed on the external cold base 220, and the edge base cold pipe 240 is located between the central base cold pipe 230 and the glue injection plate 210.
It should be noted that the central seat cold pipe 230 and the edge seat cold pipe 240 are both used for being communicated with a water outlet of an external water pump, so that the cooling forming rate of the rubber material directly contacted with the external cold seat 220 is increased; the central seat cold pipe 230 is used for cooling the rubber material at the central position of the cylindrical plastic part, and the edge seat cold pipe 240 is used for cooling the rubber material at the position of the cylindrical plastic part close to the rubber injection plate 210.
Referring to fig. 1, in one embodiment, the injection mold 10 for cylindrical plastic parts further includes a guiding mechanism 400, the guiding mechanism 400 includes a guiding pillar 410 and a guiding sleeve 420, the guiding pillar 410 is disposed on the injection plate 210, the guiding sleeve 420 is disposed on the fixed mold plate 110, and the guiding pillar 410 is used for penetrating the guiding sleeve 420.
The guide mechanism 400 plays a role of guiding the inner core mechanism 100 and the outer cooling mechanism 200 to be matched; in the mold closing process, the guide pillar 410 is inserted into the guide sleeve 420, so that the core column 120 and the outer cold seat 220 are aligned, the core column 120 can be accurately inserted into the forming groove 222, and the forming precision of the cylindrical plastic part is improved.
Referring to fig. 1, in one embodiment, the guide pillar 410 is provided with an oil distributing ring slot 411.
The oil distribution ring groove 411 is configured to receive lubricating oil so that the lubricating oil can be caught by the side wall of the guide pillar 410, and the lubricating oil in the oil distribution ring groove 411 can lubricate the contact surface between the guide pillar 410 and the guide sleeve 420 when the guide pillar 410 slides along the guide sleeve 420.
Referring to fig. 3, in one embodiment, an insertion chamfer 311 is disposed on the insertion block 310.
It should be noted that the insertion chamfer 311 serves to prevent the corners of the insertion block 310 from being damaged due to stress concentration when the supporting molding member 320 slides.
Referring to fig. 3, in one embodiment, the forming member 320 is provided with an inclined insertion hole 322, and a hole wall of the inclined insertion hole 322 is used for supporting the insertion block 310.
It should be noted that, during mold closing or mold opening, the insertion block 310 and the glue injection plate 210 move synchronously, and the insertion block 310 supports the hole wall of the inclined insertion hole 322 to support the molded part 320 to slide.
Referring to fig. 1, in one embodiment, the fixed mold plate 110 is provided with an alignment mark 111.
It should be noted that the position mark 111 is provided so that an operator can quickly recognize the installation position of the fixed die plate 110.
Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:
the utility model relates to the injection molding field, in particular to a columnar plastic part injection mold which comprises an inner core mechanism, an outer cooling mechanism and an inserting mechanism; the arrangement of each forming part enables the mold to directly form a clamping groove on the columnar plastic part; the arrangement of each insert block and each formed part ensures that the formed parts can be pulled out from the clamping grooves on the columnar plastic parts in the mold opening process of the mold, so that processing personnel can directly take the columnar plastic parts off the mold without retardation; meanwhile, the inner core mechanism, the outer cooling mechanism and the inserting mechanism are arranged together, so that the mold can be used for injection molding a cylindrical plastic part at one time.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a column plastic part injection mold which characterized in that includes:
the core mechanism comprises a fixed die plate and a core column, the core column is arranged on the fixed die plate, and a plurality of sliding channels are formed in the fixed die plate;
the external cooling mechanism comprises a glue injection plate and an external cooling seat, wherein a glue injection hole is formed in the glue injection plate, the external cooling seat is arranged on the glue injection plate, a glue inlet hole and a forming groove which are mutually communicated are formed in the external cooling seat, and the glue inlet hole is communicated with the glue injection hole; and
the inserting mechanism comprises a plurality of inserting blocks and a plurality of forming parts, each inserting block is arranged on the rubber injection plate, each forming part is arranged in each sliding channel in a one-to-one corresponding sliding mode, and each forming part is provided with a forming boss;
when the core column is inserted into the forming groove, the insert blocks correspondingly support the forming parts to move towards the direction close to or away from the core column, so that the core column, the external cooling seat and the forming parts jointly enclose a forming cavity, and the forming bosses are located in the forming cavity.
2. The injection mold for cylindrical plastic parts according to claim 1, wherein the core mechanism further comprises a plurality of limiting posts, each of the limiting posts is disposed in the corresponding sliding channel, each of the forming parts is provided with a limiting groove, and the limiting grooves are used for accommodating the limiting posts.
3. The injection mold for cylindrical plastic parts as claimed in claim 2, wherein each of the limiting posts has a limiting dome for abutting against a wall of the limiting groove.
4. The injection mold for cylindrical plastic parts as claimed in claim 1, wherein the core means further comprises a core cooling pipe disposed on the core pin.
5. The injection mold for cylindrical plastic parts according to claim 1, wherein the external cooling mechanism further comprises a central seat cooling pipe and an edge seat cooling pipe, the central seat cooling pipe and the edge seat cooling pipe are respectively disposed on the external cooling seat, and the edge seat cooling pipe is located between the central seat cooling pipe and the injection plate.
6. The injection mold for cylindrical plastic parts of claim 1, further comprising a guiding mechanism, wherein the guiding mechanism comprises a guiding post and a guiding sleeve, the guiding post is disposed on the injection plate, the guiding sleeve is disposed on the fixed mold plate, and the guiding post is used for penetrating the guiding sleeve.
7. The injection mold for cylindrical plastic parts as claimed in claim 6, wherein the guide post is provided with an oil distribution ring groove.
8. The injection mold for cylindrical plastic parts as claimed in claim 1, wherein the insertion block is provided with an insertion chamfer thereon.
9. The injection mold for cylindrical plastic parts according to claim 1, wherein the molding part is provided with an inclined insertion hole, and a hole wall of the inclined insertion hole is used for being mutually supported by the insertion block.
10. The injection mold for cylindrical plastic parts as claimed in claim 1, wherein the fixed mold plate is provided with an alignment mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197557.2U CN213797799U (en) | 2020-09-29 | 2020-09-29 | Injection mold for columnar plastic parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022197557.2U CN213797799U (en) | 2020-09-29 | 2020-09-29 | Injection mold for columnar plastic parts |
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| CN213797799U true CN213797799U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022197557.2U Active CN213797799U (en) | 2020-09-29 | 2020-09-29 | Injection mold for columnar plastic parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116001206A (en) * | 2023-03-28 | 2023-04-25 | 四川新升包装科技有限责任公司 | Injection mold for plastic container |
-
2020
- 2020-09-29 CN CN202022197557.2U patent/CN213797799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116001206A (en) * | 2023-03-28 | 2023-04-25 | 四川新升包装科技有限责任公司 | Injection mold for plastic container |
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