CN223493763U - Injection mold for cylindrical plastic part for vehicle - Google Patents
Injection mold for cylindrical plastic part for vehicleInfo
- Publication number
- CN223493763U CN223493763U CN202422898314.XU CN202422898314U CN223493763U CN 223493763 U CN223493763 U CN 223493763U CN 202422898314 U CN202422898314 U CN 202422898314U CN 223493763 U CN223493763 U CN 223493763U
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- CN
- China
- Prior art keywords
- die core
- injection mold
- wall
- groove
- inclined ejector
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Abstract
The utility model provides an injection mold for a cylindrical plastic part for a vehicle, which comprises a bottom plate, a top plate, a push plate and an inclined ejector, wherein the push plate is provided with a die core groove matched with a die core, the upper end part of the die core passes through the die core groove and extends upwards, the inclined ejector comprises an inclined ejector head connected to the upper end part of the die core in an inclined sliding manner and an inclined ejector rod connected to the bottom of the inclined ejector head and extending downwards in an inclined manner, the extending direction of the inclined ejector rod is parallel to the sliding direction of the inclined ejector head, the lower end part of the inclined ejector rod passes through the die core groove and is connected with the push plate, when the die is closed, the upper end surface of the inclined ejector head is flush with the upper end surface of the die core, the outer wall of the inclined ejector head is protruded out of the outer wall of the die core, and when the die is opened, the push plate drives the upper end surface of the inclined ejector rod to be protruded out of the outer wall of the die core, so that the outer wall of the inclined ejector head is not protruded out of the outer wall of the die core, the inclined ejector head can be driven by the inclined ejector head, an additional ejector plate is not needed, and an injection mold is not required to be additionally arranged, and the cost of the injection mold is low, and the cost of the injection mold is high.
Description
Technical Field
The utility model belongs to the technical field of molds, and particularly relates to an injection mold for a cylindrical plastic part for a vehicle.
Background
The automobile is provided with a plurality of plastic parts except for parts such as a frame and an engine which are made of metal materials, the plastic parts are various in shape and are molded in an injection molding mode, the existing automobile cylindrical plastic part comprises a cylinder body 1 and a back-off 2 arranged on the inner wall of the cylinder body 1, the back-off 2 is formed by inwards sinking the outer wall of a cylinder opening of the cylinder body 1, and when the cylindrical plastic part is molded in an injection mode, if a conventional oblique ejection is adopted, two ejector plates (70 mm thick) and an ejection space with a height of 100mm are required to be increased, the whole thickness of an injection mold is required to be 170mm, the development cost of the injection mold is increased, meanwhile, the injection molding machine is also required to be increased to 560T from 320T, and the injection molding cost of products is increased, so that the cost performance of the cylindrical plastic part is generally high, and the market share is difficult to further improve.
Disclosure of utility model
The utility model aims to solve one or more problems in the prior art and provides a cylindrical plastic part injection mold for a vehicle.
In order to achieve the above purpose, the technical scheme provided by the utility model is that the injection mold for the cylindrical plastic part for the vehicle comprises:
the bottom plate is connected with a die core;
a top plate positioned above the bottom plate;
The pushing plate can be arranged between the bottom plate and the top plate in a vertically movable way, a die core groove matched with the die core is formed in the pushing plate, and the upper end part of the die core penetrates through the die core groove and extends upwards to form the inner wall of the cylinder of the cylindrical plastic part for the vehicle;
The injection mold for the cylindrical plastic part for the vehicle further comprises an inclined top, wherein the inclined top comprises an inclined top head which is connected to the upper end part of the die core in an inclined sliding manner, and an inclined top rod which is connected to the bottom of the inclined top head and extends downwards in an inclined manner, the extending direction of the inclined top rod is parallel to the sliding direction of the inclined top head, and the lower end part of the inclined top rod penetrates through the die core groove and is connected with the push plate;
When the die is assembled, the upper end face of the inclined ejection head is flush with the upper end face of the die core, the outer wall of the inclined ejection head protrudes out of the outer wall of the die core right below the inclined ejection head and is used for forming the back-off of the inner wall of the cylinder body, and when the die is opened, the push plate drives the inclined ejection rod to move obliquely upwards, so that the upper end face of the inclined ejection head protrudes out of the upper end face of the die core, and the outer wall of the inclined ejection head does not protrude out of the outer wall of the die core right below the inclined ejection head.
Preferably, an inclined top sliding groove for the inclined top to slide is formed in the upper end portion of the die core, and the inclined top sliding groove penetrates through the upper end face and one side face of the die core.
Further preferably, the cross section of the inclined ejector rod is rectangular, an inclined ejector rod hole for the inclined ejector rod to pass through is formed in the bottom wall of the inclined ejector head chute, and the inclined ejector rod hole penetrates through the lower end face of the die core.
Further preferably, a guide rail is arranged on the groove wall of the inclined top sliding groove, a guide rail groove is arranged on the side wall of the inclined top facing the guide rail, and the guide rail is slidably embedded in the guide rail groove.
Further preferably, the cross section of the guide rail is in a convex shape, the big end of the convex shape faces the inclined top, the upper end of the guide rail groove is closed, and the lower end of the guide rail groove penetrates through the bottom surface of the inclined top.
Still preferably, the injection mold for the cylindrical plastic part for the vehicle further comprises a picking block, wherein the picking block is fixedly connected to the bottom surface of the push plate and is connected with the lower end part of the inclined ejector rod, and the push plate drives the inclined ejector rod to move through the picking block.
Further preferably, the picking block is provided with an extending end extending along the horizontal direction, the lower end part of the inclined ejection rod is provided with a slot for inserting the extending end, and the extending end is inserted in the slot.
Further preferably, a matching groove penetrating through the inclined ejector rod hole is formed in the outer wall of the lower end portion of the die core, the matching groove penetrates through the lower end face of the die core, and the extending end is vertically movably arranged in the matching groove in a penetrating mode.
Further preferably, the bottom plate is provided with an avoidance groove for avoiding the bottom of the picking block and the lower end of the inclined ejector rod, and when the mold is closed, the extension end is positioned in the avoidance groove and positioned below the mold core.
Further preferably, the slot is a through slot.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
The utility model provides an injection mold for a cylindrical plastic part for a vehicle, which comprises a bottom plate, a top plate, a push plate and an inclined ejector, wherein the push plate is provided with a die core groove matched with a die core, the upper end part of the die core passes through the die core groove and extends upwards, the inclined ejector comprises an inclined ejector head connected to the upper end part of the die core in an inclined sliding manner and an inclined ejector rod connected to the bottom of the inclined ejector head and extending downwards in an inclined manner, the extending direction of the inclined ejector rod is parallel to the sliding direction of the inclined ejector head, the lower end part of the inclined ejector rod passes through the die core groove and is connected with the push plate, when the die is closed, the upper end surface of the inclined ejector head is flush with the upper end surface of the die core, the outer wall of the inclined ejector head is protruded out of the outer wall of the die core, and when the die is opened, the push plate drives the upper end surface of the inclined ejector rod to be protruded out of the outer wall of the die core, so that the outer wall of the inclined ejector head is not protruded out of the outer wall of the die core, the inclined ejector head can be driven by the inclined ejector head, an additional ejector plate is not needed, and an injection mold is not required to be additionally arranged, and the cost of the injection mold is low, and the cost of the injection mold is high.
Drawings
Fig. 1 and 2 are perspective views of a cylindrical plastic part for a vehicle in the prior art.
FIG. 3 is a schematic top view of a preferred embodiment of the present utility model with the top panel hidden for ease of viewing.
Fig. 4 is a schematic sectional view taken along the direction A-A in fig. 3, in which the injection mold is in a closed state.
Fig. 5 is a schematic sectional view in the direction A-A in fig. 3, in which the injection mold is in an open state.
Fig. 6 is a perspective view of fig. 4.
Fig. 7 is a perspective view of fig. 5.
Fig. 8 is a perspective view of fig. 7 with the cylindrical plastic part of the vehicle removed.
Fig. 9 is an exploded view of the mold core of fig. 8.
Fig. 10 is a schematic view of fig. 9 after adjusting the view angle.
The novel plastic material comprises a cylinder body 1, a back-off device 2, a bottom plate 10, a mold core 11, a diagonal top sliding groove 111, a guide rail 112, a diagonal top rod hole 113, a matching groove 114, a avoiding groove 12, a push plate 30, a mold core groove 31, a diagonal top head 41, a guide rail groove 411, a diagonal top rod 42, a 421, a slot 50, a protruding block 51 and an extending end.
Detailed Description
As shown in fig. 2 to 10, the injection mold for the cylindrical plastic part for the vehicle comprises a bottom plate 10, a top plate (not shown in the drawings), a push plate 30 and an inclined top, wherein the bottom plate 10 is connected with a die core 11, the top plate is positioned above the bottom plate 10, the push plate 30 is arranged between the bottom plate 10 and the top plate in a vertically movable manner, a die core groove 31 matched with the die core 11 is formed in the push plate 30, the upper end part of the die core 11 penetrates through the die core groove 31 and protrudes upwards for forming the inner wall of the cylindrical plastic part 1 for the vehicle, the inclined top comprises an inclined top 41 connected to the upper end part of the die core 11 in a obliquely sliding manner, and an inclined top rod 42 connected to the bottom of the inclined top 41 and extending downwards in an obliquely manner, the extending direction of the inclined top rod 42 is parallel to the sliding direction of the inclined top 41, the lower end part of the inclined top rod 42 penetrates through the die core groove 31 and is connected with the push plate 30, when the die is closed, the upper end surface of the inclined top 41 is flush with the upper end surface of the die core 11, the outer wall of the inclined top 41 protrudes out of the die core 11 and protrudes out of the outer wall 11 right below the die core 41, and is used for driving the inclined top 41 to protrude out of the outer wall of the die core 11 and protrudes out of the outer wall 11 right below the die core 11 and is not right above the upper end surface of the die core 11, and is convenient to protrude upwards towards the upper end surface of the die core 2 and is made to protrude towards the upper end surface 2.
The advantage that sets up like this lies in, both can drive the top to one side through the push pedal and push out the product, makes the product back-off smooth drawing of patterns, need not to add the thimble board again, need not to change the injection molding machine platform, injection mold's with low costs, the sexual valence relative altitude of product (this automobile-used cylindric working of plastics).
In order to facilitate sliding of the inclined top 41, in this embodiment, an inclined top chute 111 for sliding the inclined top 41 is provided at an upper end of the mold core 11, the inclined top chute 111 penetrates through an upper end surface and a side surface of the mold core 11, further, a guide rail 112 is provided at a groove wall of the inclined top chute 111, a guide rail slot 411 is provided at a side wall of the inclined top 41 facing the guide rail 112, the guide rail 112 is relatively slidably embedded in the guide rail slot 411, in order to prevent the inclined top 41 from separating from the mold core 11 and limit sliding of the inclined top 41, further, a cross section of the guide rail 112 is in a convex shape, a large end of the convex shape faces the inclined top 41, an upper end of the guide rail slot 411 is closed, and a lower end of the guide rail slot 411 penetrates through a bottom surface of the inclined top 41.
In order to avoid shaking during the sliding process of the inclined ejector 41, in this embodiment, the cross section of the inclined ejector 42 is rectangular, the bottom wall of the inclined ejector chute 111 is provided with an inclined ejector hole 113 through which the inclined ejector 42 passes, and the inclined ejector hole 113 penetrates through the lower end surface of the mold core 11.
In order to facilitate connection of the inclined ejector rod 42 and the push plate 30, the injection mold for the cylindrical plastic part for the vehicle further comprises a picking block 50, the picking block 50 is fixedly connected to the bottom surface of the push plate 30 and is connected with the lower end part of the inclined ejector rod 42, the push plate 30 drives the inclined ejector rod 42 to move obliquely upwards and downwards through the picking block 50, specifically, the picking block 50 is provided with an extending end 51 extending along the horizontal direction, the lower end part of the inclined ejector rod 42 is provided with a slot 421 for inserting the extending end 51, the slot 421 is a through slot, the extending end 51 is slidably inserted (embedded) in the slot 421, meanwhile, the outer wall of the lower end part of the die core 11 is provided with a matching slot 114 communicated with the inclined ejector rod hole 113, the matching slot 114 penetrates the lower end surface of the die core 11, and the extending end 51 can be vertically movably penetrated in the matching slot 114.
For convenience, the bottom plate 10 is further provided with a avoiding groove 12 for avoiding the bottom of the picking block 50 and the lower end of the inclined ejector rod 41, and when the mold is closed, the extending end 51 is positioned in the avoiding groove 12 and the extending end 51 is positioned below the mold core 11.
The injection mold for the cylindrical plastic part for the vehicle can omit two ejector plates (70 mm thick) and an ejection space of 100mm, so that the development cost of the mold is reduced, and meanwhile, the injection molding machine can be reduced from 560T to 320T, so that the injection molding cost of the product is reduced.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A vehicular cylindrical plastic part injection mold comprising:
the bottom plate is connected with a die core;
a top plate positioned above the bottom plate;
The pushing plate can be arranged between the bottom plate and the top plate in a vertically movable way, a die core groove matched with the die core is formed in the pushing plate, and the upper end part of the die core penetrates through the die core groove and extends upwards to form the inner wall of the cylinder of the cylindrical plastic part for the vehicle;
The method is characterized in that:
The injection mold for the cylindrical plastic part for the vehicle further comprises an inclined top, wherein the inclined top comprises an inclined top head which is connected to the upper end part of the die core in an inclined sliding manner, and an inclined top rod which is connected to the bottom of the inclined top head and extends downwards in an inclined manner, the extending direction of the inclined top rod is parallel to the sliding direction of the inclined top head, and the lower end part of the inclined top rod penetrates through the die core groove and is connected with the push plate;
When the die is assembled, the upper end face of the inclined ejection head is flush with the upper end face of the die core, the outer wall of the inclined ejection head protrudes out of the outer wall of the die core right below the inclined ejection head and is used for forming the back-off of the inner wall of the cylinder body, and when the die is opened, the push plate drives the inclined ejection rod to move obliquely upwards, so that the upper end face of the inclined ejection head protrudes out of the upper end face of the die core, and the outer wall of the inclined ejection head does not protrude out of the outer wall of the die core right below the inclined ejection head.
2. The injection mold of claim 1, wherein the upper end of the mold core is provided with an inclined top chute for sliding the inclined top, and the inclined top chute penetrates through the upper end surface and one side surface of the mold core.
3. The injection mold of a cylindrical plastic part for a vehicle according to claim 2, wherein the cross section of the inclined ejector rod is rectangular, the bottom wall of the inclined ejector head chute is provided with an inclined ejector rod hole for the inclined ejector rod to pass through, and the inclined ejector rod hole penetrates through the lower end face of the mold core.
4. The injection mold for cylindrical plastic parts for vehicles according to claim 2, wherein the groove wall of the chute of the oblique head is provided with a guide rail, the side wall of the oblique head facing the guide rail is provided with a guide rail groove, and the guide rail is slidably embedded in the guide rail groove.
5. The injection mold of a cylindrical plastic part for a vehicle according to claim 4, wherein the cross section of the guide rail is in a convex shape, the large end of the convex shape faces the inclined top, the upper end of the guide rail groove is closed, and the lower end of the guide rail groove penetrates through the bottom surface of the inclined top.
6. The injection mold for the cylindrical plastic part for the vehicle according to claim 3, wherein the injection mold for the cylindrical plastic part for the vehicle further comprises a picking block, the picking block is fixedly connected to the bottom surface of the push plate and is connected with the lower end part of the inclined ejector rod, and the push plate drives the inclined ejector rod to move through the picking block.
7. The injection mold of a plastic cylindrical part for a vehicle according to claim 6, wherein the picking block has an extension end extending in a horizontal direction, a slot for inserting the extension end is formed in a lower end portion of the inclined ejector rod, and the extension end is inserted into the slot.
8. The injection mold of claim 7, wherein the outer wall of the lower end of the mold core is provided with a matching groove communicated with the inclined ejector rod hole, the matching groove penetrates through the lower end face of the mold core, and the extending end is vertically movably arranged in the matching groove in a penetrating manner.
9. The injection mold of the cylindrical plastic part for the vehicle according to claim 7, wherein the bottom plate is provided with an avoidance groove for avoiding the bottom of the picking block and the lower end part of the inclined ejector rod, and the extension end is positioned in the avoidance groove and positioned below the mold core when the mold is closed.
10. The injection mold of a plastic cylindrical part for a vehicle according to claim 7, wherein the insertion groove is a through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422898314.XU CN223493763U (en) | 2024-11-27 | 2024-11-27 | Injection mold for cylindrical plastic part for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422898314.XU CN223493763U (en) | 2024-11-27 | 2024-11-27 | Injection mold for cylindrical plastic part for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223493763U true CN223493763U (en) | 2025-10-31 |
Family
ID=97476102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422898314.XU Active CN223493763U (en) | 2024-11-27 | 2024-11-27 | Injection mold for cylindrical plastic part for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223493763U (en) |
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2024
- 2024-11-27 CN CN202422898314.XU patent/CN223493763U/en active Active
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