CN220973189U - Quick oblique core-pulling die - Google Patents
Quick oblique core-pulling die Download PDFInfo
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- CN220973189U CN220973189U CN202322832842.0U CN202322832842U CN220973189U CN 220973189 U CN220973189 U CN 220973189U CN 202322832842 U CN202322832842 U CN 202322832842U CN 220973189 U CN220973189 U CN 220973189U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 description 13
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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Abstract
The utility model discloses a quick inclined core-pulling die which comprises a fixed die, a movable die, an inclined core and a core-pulling mechanism, wherein the inclined core slides and obliquely penetrates through the movable die, one end of the inclined core penetrates out of the movable die and then stretches into a cavity on the fixed die, the core-pulling mechanism comprises a transmission rod, a gear column and a driving rod, the transmission rod is vertically and slidably arranged in the movable die in a penetrating manner, the gear column is rotatably arranged in the movable die, one end of the driving rod is fixedly connected with one end of the inclined core, which is positioned in the movable die, the driving rod is slidably inserted in the movable die, one side of the transmission rod is provided with a first rack arranged along the axial direction, one side of the driving rod is provided with a second rack arranged along the axial direction, the first rack and the second rack are mutually meshed with the gear column, and one end of the transmission rod, which is far away from the fixed die, is provided with a driving plate; the fixed die is provided with a limiting rod corresponding to one end of the transmission rod, and the end part of the limiting rod stretches into the movable die to be contacted with one end of the transmission rod in a propping mode.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a quick inclined core-pulling mold.
Background
The plastic mould is a mould commonly used in the existing product manufacturing field, and the structure of the plastic mould is generally provided with a two-plate mould, a three-plate mould, an I-shaped mould and a straight body mould. The precise plastic mold is widely applied to the field of IT and automobile product development and manufacturing, the products relate to structural members of IT parts, appearance parts and inner and outer decoration parts of automobiles, the product requirements are various, in general, all fixed mold surfaces do not need side core pulling, mirror surfaces, pattern surfaces or plating surfaces are all required, parting lines are not allowed, and therefore, the mold generally adopts a movable mold sliding block mechanism or an oil pressure cylinder for a fixed mold sliding block to core.
The existing product has more and more complex structural design, some columns and inner holes incline by a larger angle in the ejection direction, the core must be pulled in the oblique angle direction before ejection, the size of the die is limited, the core pulling mechanism cannot be too complex, and the die structure is optimized to meet the requirements.
In the prior art, chinese patent publication No. CN101337423B discloses a large-angle oblique-moving ejector block core pulling mechanism on the inner side surface of an injection mold, which comprises an outer oblique ejector rod, an inner oblique guide rod, a flat sliding rail, an oblique sliding foot, an oblique sliding rail and an ejector block. The invention overcomes the defect of dead angle (self-locking) limitation in the prior art, adopts the technical scheme of double rods, double sliding and proportional oblique running, leads the ejector block to move forward along with the product and obliquely run for core pulling along with oblique line proportion, and leads the oblique running angle of the mechanism formed by the outer oblique ejector rod, the oblique sliding foot and the ejector block to obtain larger application range without dead angle concern under the action of dragging the oblique sliding rail along the flat sliding rail according to the theta angle proportion in the mechanism, thereby achieving the purpose of demoulding injection molding products meeting the characteristics of any large angle reverse hook.
But the mould adopting the design of the core pulling mechanism has longer demoulding stroke, large mould body and high mould cost, and is not suitable for injection molding production of injection molding machines with smaller specifications and smaller opening and closing strokes.
Disclosure of utility model
In view of the above, the present utility model is directed to a fast inclined core-pulling mold, so as to solve the technical problems set forth in the background art.
The utility model solves the technical problems by the following technical means:
The quick oblique core pulling mold comprises a fixed mold, a movable mold, an oblique core and a core pulling mechanism, wherein the oblique core slides and penetrates through the movable mold, one end of the oblique core penetrates out of the movable mold and then stretches into a cavity on the fixed mold, the core pulling mechanism comprises a transmission rod, a gear column and a driving rod, the transmission rod directly slides and penetrates into the movable mold, the gear column is rotatably installed in the movable mold, one end of the driving rod is coaxially and fixedly connected with one end of the oblique core, which is positioned in the movable mold, the driving rod is slidably inserted into the movable mold, a first rack arranged along the axial direction is arranged on one side of the transmission rod, a second rack arranged along the axial direction is arranged on one side of the driving rod, the first rack and the second rack are mutually meshed with the gear column, and a driving plate is arranged on one end of the transmission rod, which is far away from the fixed mold;
And a limiting rod corresponding to one end of the transmission rod is arranged on the fixed die, and the end part of the limiting rod extends into the movable die to be in contact with one end of the transmission rod.
Further, the transmission rod and the driving rod are arranged in a vertically staggered mode, and the gear column is arranged between the included angles formed by the transmission rod and the driving rod.
Further, a rotating shaft is arranged on the gear column, and the gear column is rotatably installed in the movable die through the rotating shaft.
Further, the transmission rod and the driving rod are both slidably mounted in the movable die through a sliding block, a sliding groove is correspondingly formed in the movable die, and the sliding block slides along the sliding groove.
Further, the mold further comprises a stripping assembly, the stripping assembly comprises a stripping plate and a stripping rod, one end of the stripping rod is fixedly connected to the stripping plate, the other end of the stripping rod is inserted into the movable mold, and the end face of the inserted end corresponds to the cavity;
The stripper plate is arranged between the movable die and the driving plate, and the transmission rod is arranged in the stripper plate in a sliding penetrating manner.
Further, the stripper plate is further provided with a guide rod parallel to the stripper rod, the length of the guide rod is the same as that of the stripper rod, and the guide rod and the cavity are arranged in a staggered mode.
The utility model has the beneficial effects that:
After the injection molding product is cooled and molded, the movable mold and the fixed mold are separated through the injection molding machine, the injection molding product is separated from the cavity along with the movable mold, then the driving plate is driven to move to one side close to the movable mold through the first driving mechanism, the transmission rod is inserted into the movable mold, and the transmission rod drives the driving rod to move outwards to one side far away from the fixed mold through the gear column, so that the inclined mold core is pulled out from the injection molding product. In the process of drawing out the inclined core, the second driving mechanism drives the stripper plate to move to one side close to the movable die, so that the stripper rod pushes the movable die of the injection product up and down, and stripping is completed.
The mold has the advantages of compact structure, short demolding stroke, smaller mold body, lower mold cost and suitability for injection molding production by an injection molding machine with smaller specification and smaller opening and closing stroke.
Drawings
FIG. 1 is a schematic diagram of a quick inclined core-pulling mold;
FIG. 2 is a schematic diagram II of a quick inclined core-pulling die;
Fig. 3 is a schematic structural view of a fast inclined core-pulling mold according to the present utility model.
Detailed Description
The utility model will be described in detail below with reference to the attached drawings and specific examples:
As shown in fig. 1-3, the quick inclined core-pulling mold provided by the utility model comprises a fixed mold 1, a movable mold 2, an inclined core 3 and a core-pulling mechanism, wherein the inclined core 3 slides and obliquely penetrates through the movable mold 2, one end of the inclined core 3 penetrates out of the movable mold 2 and then stretches into a cavity 4 on the fixed mold 1, and an injection molding product 15 is cooled and molded in the cavity 4.
The core pulling mechanism comprises a transmission rod 5, a gear column 6 and a driving rod 7, wherein the transmission rod 5 is directly and slidably arranged in the movable die 2 in a penetrating manner, the gear column 6 is rotatably arranged in the movable die 2, one end of the driving rod 7 and one end of the inclined core 3 positioned in the movable die 2 are coaxially and fixedly connected, the driving rod 7 is slidably inserted in the movable die 2, a first rack 8 arranged along the axial direction is arranged on one side of the transmission rod 5, a second rack 9 arranged along the axial direction is arranged on one side of the driving rod 7, the first rack 8 and the second rack 9 are mutually meshed with the gear column 6, and a driving plate 16 is arranged at one end, far away from the fixed die 1, of the transmission rod 5. The fixed die 1 is provided with a limiting rod 10 corresponding to one end of the transmission rod 5, the end part of the limiting rod 10 stretches into the movable die 2 to be in contact with one end of the transmission rod 5, the limiting rod 10 is used for limiting the travel of the transmission rod 5 in the process of buckling the movable die 2 and the fixed die 1 and can reversely push the transmission rod 5 in the process, so that the driving rod 7 is driven to move through the gear post 6, and the inclined core 3 is reset.
Specifically, in order not to affect the stroke, the transmission rod 5 and the driving rod 7 are arranged in a vertically staggered manner, and the gear column 6 is arranged between the included angles formed by the transmission rod 5 and the driving rod 7. The gear column 6 is provided with a rotating shaft 11, and the gear column 6 is rotatably arranged in the movable mould 2 through the rotating shaft 11.
In order to enable the motion of the transmission rod 5 and the driving rod 7 to be more stable, the transmission rod 5 and the driving rod 7 are slidably arranged in the movable mould 2 through sliding blocks, sliding grooves are correspondingly formed in the movable mould 2, and the sliding blocks slide along the sliding grooves.
Further, in order to facilitate the stripping of the injection molding product, the mold further comprises a stripping assembly. The stripping assembly comprises a stripping plate 12 and a stripping rod 13, one end of the stripping rod 13 is fixedly connected to the stripping plate 12, the other end of the stripping rod 13 is inserted into the driven mold 2, and the end face of the inserted end corresponds to the cavity 4. The stripper plate 12 is arranged between the movable die 2 and the driving plate 16, and the transmission rod 5 is slidably arranged in the stripper plate 12.
The stripper plate 12 is also provided with a guide rod 14 parallel to the stripper rod 13, the length of the guide rod 14 is the same as that of the stripper rod 13, and the guide rod 14 and the cavity 4 are arranged in a staggered manner. The guide rod 14 is used for guiding the operation of the stripping assembly, so that the operation of the stripping assembly is more stable.
Working principle:
After the injection product is cooled and molded, the movable mold and the fixed mold are separated by an injection molding machine, and the injection product is separated from the cavity along with the movable mold, and the process is shown in fig. 1-2.
Then the driving plate 16 is driven to move to the side close to the movable die through the first driving mechanism, the transmission rod is inserted into the movable die, and the transmission rod drives the driving rod to move to the outside of the side far from the fixed die through the gear column, so that the inclined core is extracted from the injection molding product; in the process of drawing the inclined core, the second driving mechanism drives the stripper plate to move to one side close to the movable die, so that the stripper rod pushes the injection product up and down from the movable die, and stripping is completed, and the process is shown in fig. 2-3. The first driving mechanism and the second driving mechanism can adopt air cylinders or hydraulic cylinders.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model. The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (6)
1. The utility model provides a quick oblique core-pulling die, includes cover half (1), movable mould (2), oblique core (3) and core-pulling mechanism, oblique core (3) slip, slant run through and are established in movable mould (2), the one end of oblique core (3) is followed wear out in movable mould (2) and stretch into in die cavity (4) on cover half (1), its characterized in that: the core pulling mechanism comprises a transmission rod (5), a gear column (6) and a driving rod (7), wherein the transmission rod (5) is vertically and slidably arranged in the movable die (2), the gear column (6) is rotatably arranged in the movable die (2), one end of the driving rod (7) and one end of the inclined core (3) positioned in the movable die (2) are coaxially and fixedly connected, the driving rod (7) is slidably inserted in the movable die (2), a first rack (8) arranged along the axial direction is arranged on one side of the transmission rod (5), a second rack (9) arranged along the axial direction is arranged on one side of the driving rod (7), the first rack (8) and the second rack (9) are mutually meshed with the gear column (6), and a driving plate (16) is arranged at one end, far away from the fixed die (1), of the transmission rod (5);
The fixed die (1) is provided with a limiting rod (10) corresponding to one end of the transmission rod (5), and the end part of the limiting rod (10) stretches into the movable die (2) to be in contact with one end of the transmission rod (5).
2. The quick inclined core-pulling mold according to claim 1, wherein: the transmission rod (5) and the driving rod (7) are arranged in a vertically staggered mode, and the gear column (6) is arranged between the included angles formed by the transmission rod (5) and the driving rod (7).
3. The quick inclined core-pulling mold according to claim 1, wherein: the gear column (6) is provided with a rotating shaft (11), and the gear column (6) is rotatably installed in the movable die (2) through the rotating shaft (11).
4. The quick inclined core-pulling mold according to claim 1, wherein: the transmission rod (5) and the driving rod (7) are both slidably mounted in the movable die (2) through a sliding block, a sliding groove is correspondingly formed in the movable die (2), and the sliding block slides along the sliding groove.
5. The quick inclined core-pulling mold according to claim 1, wherein: the mold further comprises a stripping assembly, the stripping assembly comprises a stripping plate (12) and a stripping rod (13), one end of the stripping rod (13) is fixedly connected to the stripping plate (12), the other end of the stripping rod (13) is inserted into the movable mold (2), and the end face of the inserted end corresponds to the cavity (4);
The stripper plate (12) is arranged between the movable die (2) and the driving plate, and the transmission rod (5) is slidably arranged in the stripper plate (12).
6. The quick inclined core-pulling mold according to claim 5, wherein: the material removing plate (12) is also provided with a guide rod (14) parallel to the material removing rod (13), the length of the guide rod (14) is the same as that of the material removing rod (13), and the guide rod (14) and the cavity (4) are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322832842.0U CN220973189U (en) | 2023-10-23 | 2023-10-23 | Quick oblique core-pulling die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322832842.0U CN220973189U (en) | 2023-10-23 | 2023-10-23 | Quick oblique core-pulling die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220973189U true CN220973189U (en) | 2024-05-17 |
Family
ID=91064049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322832842.0U Active CN220973189U (en) | 2023-10-23 | 2023-10-23 | Quick oblique core-pulling die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220973189U (en) |
-
2023
- 2023-10-23 CN CN202322832842.0U patent/CN220973189U/en active Active
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