CN218701007U - Injection mold ejection mechanism and mold - Google Patents
Injection mold ejection mechanism and mold Download PDFInfo
- Publication number
- CN218701007U CN218701007U CN202222482339.2U CN202222482339U CN218701007U CN 218701007 U CN218701007 U CN 218701007U CN 202222482339 U CN202222482339 U CN 202222482339U CN 218701007 U CN218701007 U CN 218701007U
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- China
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- push rod
- connecting block
- ejection mechanism
- inclined top
- injection mold
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Abstract
The application discloses an ejection mechanism of an injection mold, which comprises a push rod, an inclined top and a connecting block, wherein the push rod and the inclined top are in sliding fit with the connecting block together; when the push rod and the inclined top are both in a vertical state and the push rod starts to push the inclined top to move, the inclined top firstly slides for a distance along the second contact surface and then moves along the moving direction of the push rod. The application also discloses a mold using the injection mold ejection mechanism.
Description
Technical Field
The utility model relates to an injection mold field especially relates to an injection mold ejection mechanism and mould.
Background
Patent publication CN202129942U discloses an injection mold, in which a push rod (reference number 7 in the document) drives a slant slide block (reference number 8 in the document) to move to realize demolding of an injection molding piece, in which a T-shaped hole is formed in the slant slide block, and a section of the push rod is located in the T-shaped hole, taking the direction shown in the drawing 2 of the document as an example, when the push rod moves upwards, the slant slide block has a tendency of moving upwards and a tendency of moving rightwards, and in such a demolding manner, if a protrusion (which is in contact with the slant slide block) exists on the injection molding piece above the slant slide block, the protrusion on the injection molding piece is worn.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem, a injection mold ejection mechanism is proposed.
The utility model adopts the following technical scheme:
an injection mold ejection mechanism comprises a push rod, an inclined top and a connecting block, wherein the push rod and the inclined top are matched with the connecting block in a sliding mode, a first contact plane and a second contact plane are arranged on the connecting block, the first contact plane and the second contact plane are both planes, the first contact plane and the second contact plane are in a non-parallel state, the push rod and the first contact plane are matched in a sliding fit mode, and the inclined top and the second contact plane are matched in a sliding fit mode; when the push rod and the inclined top are both in a vertical state and the push rod starts to push the inclined top to move, the inclined top firstly slides for a distance along the second contact surface and then moves along the moving direction of the push rod.
In the ejection mechanism, the connecting block is additionally arranged between the push rod and the inclined top, wherein the connecting block is provided with a first contact plane and a second contact plane, when the push rod moves upwards to eject, the first contact plane is perpendicular to the movement direction of the push rod, the second contact plane is not perpendicular to the movement direction of the push rod, the second contact plane is in an inclined state relative to the movement direction of the push rod, when the push rod and the inclined top are both in a vertical state and the push rod starts to push the inclined top to move upwards, the inclined top firstly slides downwards along the second contact plane for a certain distance and then moves along the movement direction of the push rod, the plastic part is positioned above the inclined top, and the inclined top can be separated from the inclined top in the downward sliding process of the plastic part, so that the abrasion of the plastic part during demolding can be avoided.
In conclusion, the connecting block is arranged between the push rod and the inclined top, the first contact plane and the second contact plane which are not parallel are arranged on the connecting block, and the inclined top is lifted and demolded after sliding downwards for a certain distance when being lifted and demolded by utilizing the first contact plane and the second contact plane, so that the abrasion of the inclined top to a plastic part is avoided.
Optionally, the device further comprises a shaping plate, wherein a cavity channel is formed in the shaping plate, the connecting block is arranged in the cavity channel of the shaping plate in a sliding mode, the connecting block is attached to the cavity wall of the cavity channel, and no gap exists between the connecting block and the cavity wall of the cavity channel.
The connecting block and the cavity wall of the cavity in the shaping plate do not have a gap, so that the connecting block can stably slide in the cavity.
Optionally, the cavity is a rectangular cavity, and the first contact plane is perpendicular to all cavity walls of the cavity.
Optionally, the ejector pin plate is further included, and the push rod is arranged on the ejector pin plate.
Optionally, a first sliding groove is formed in the connecting block, and the push rod is in sliding fit with the first sliding groove of the connecting block.
Optionally, the first sliding groove is in a T shape.
Optionally, a second sliding groove is formed in the connecting block, and the slanted ejecting is in sliding fit with the second sliding groove of the connecting block.
Optionally, the second chute is in a T shape.
The first sliding groove and the second sliding groove are both in a T shape so as to ensure that the connecting block and the push rod are kept stable when sliding.
A mold comprising an injection mold ejection mechanism as described above.
The utility model has the advantages that: through having set up the connecting block between push rod and oblique top to set up first contact surface and the second contact surface of nonparallel on the connecting block, utilized first contact surface and second contact surface, make the top of sloping when the jacking drawing of patterns earlier the jacking drawing of patterns again after sliding down a distance, avoided the wearing and tearing of oblique top to the working of plastics.
Description of the drawings:
FIG. 1 is a schematic diagram of an injection mold ejection mechanism;
FIG. 2 is an enlarged schematic diagram at A in FIG. 1;
FIG. 3 is a schematic view of the engagement relationship between the push rod and the connecting block;
fig. 4 is a schematic view of the matching relationship between the pitched roof and the connecting block.
The figures are numbered: 1. obliquely ejecting; 2. a template; 201. a lumen; 3. connecting blocks; 301. a first contact plane; 302. a second contact plane; 303. a first chute; 304. a second chute; 4. a push rod; 5. an ejector plate; 6. a plastic part; 601. and (4) protruding.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, an injection mold ejection mechanism comprises a push rod 4, an inclined top 1 and a connecting block 3, wherein the push rod 4 and the inclined top 1 are both in sliding fit with the connecting block 3, the connecting block 3 is provided with a first contact plane 301 and a second contact plane 302, the first contact plane 301 and the second contact plane 302 are both planes, the first contact plane 301 and the second contact plane 302 are in a non-parallel state, the push rod 4 is in sliding fit with the first contact plane 301, and the inclined top 1 is in sliding fit with the second contact plane 302; when the push rod 4 and the lifter 1 are both in a vertical state and the push rod 4 starts to push the lifter 1 to move, the lifter 1 slides for a distance along the second contact surface and then moves along the moving direction of the push rod 4.
In the ejection mechanism, the connecting block 3 is additionally arranged between the push rod 4 and the inclined top 1, wherein the connecting block 3 is provided with a first contact plane 301 and a second contact plane 302, when the push rod 4 moves upwards to eject, the first contact plane 301 is perpendicular to the movement direction of the push rod 4, the second contact plane 302 is not perpendicular to the movement direction of the push rod 4, the second contact plane 302 is in an inclined state relative to the movement direction of the push rod 4, when the push rod 4 and the inclined top 1 are both in a vertical state and the push rod 4 starts to push the inclined top 1 to move upwards, the inclined top 1 firstly slides downwards along the second contact plane for a distance and then moves along the direction of the movement of the push rod 4, the plastic part 6 is positioned above the inclined top 1, and the inclined top 1 can be separated from the inclined top 1 in the downward sliding process, so that the plastic part 6 can be prevented from being worn in demolding.
In the attached drawing 1, the arrow at the position of the push rod 4 is the moving direction of the push rod 4 when demoulding is started, while the arrow at the position of the inclined top 1 is the moving direction of the inclined top 1, when demoulding is started, the inclined top 1 firstly moves towards the lower right, and the inclined top 1 is separated from the contact with the bulge 601 on the plastic part 6, so that the plastic part 6 is prevented from being subsequently jacked.
In summary, in the above mechanism, the connecting block 3 is arranged between the push rod 4 and the lifter 1, the first contact plane 301 and the second contact plane 302 which are not parallel to each other are arranged on the connecting block 3, and the lifter 1 is lifted and demolded after sliding downwards for a certain distance in the lifting and demolding process by using the first contact plane 301 and the second contact plane 302, so that the wear of the lifter 1 to the plastic part 6 is avoided.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the device further comprises a shaping plate 2, a cavity 201 is arranged on the shaping plate 2, a connecting block is slidably arranged in the cavity 201 of the shaping plate 2 and clings to the cavity wall of the cavity 201, and no gap exists between the connecting block and the cavity wall of the cavity 201.
The absence of a gap between the connecting block and the wall of the channel 201 in the shaping plate 2 ensures that the connecting block can slide stably in the channel 201.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the cavity 201 is a rectangular parallelepiped cavity 201, and the first contact plane 301 is perpendicular to all the cavity walls of the cavity 201.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the push rod mechanism further comprises an ejector plate 5, and the push rod 4 is arranged on the ejector plate 5.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the connecting block 3 is provided with a first sliding groove 303, and the push rod 4 is slidably fitted with the first sliding groove 303 of the connecting block 3.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the first chute 303 has a T-shape.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the connecting block 3 is provided with a second sliding groove 304, and the slanted ejecting portion 1 is slidably engaged with the second sliding groove 304 of the connecting block 3.
As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the second chute 304 has a T-shape.
The first sliding groove 303 and the second sliding groove 304 are both T-shaped to ensure that the connecting block 3 and the push rod 4 are stable during sliding.
Example 2
A mold comprising the injection mold ejection mechanism of embodiment 1.
The above only is the preferred embodiment of the present invention, not therefore the limitation of the patent protection scope of the present invention, all applications the equivalent transformation made by the content of the specification of the present invention, directly or indirectly applied to other related technical fields, all included in the protection scope of the present invention.
Claims (9)
1. An injection mold ejection mechanism comprises a push rod, an inclined top and a connecting block, and is characterized by further comprising a first contact plane and a second contact plane which are planes and are not parallel, the push rod is in sliding fit with the first contact plane, and the inclined top is in sliding fit with the second contact plane; when the push rod and the inclined top are both in a vertical state and the push rod starts to push the inclined top to move, the inclined top firstly slides for a distance along the second contact surface and then moves along the moving direction of the push rod.
2. The injection mold ejection mechanism of claim 1, further comprising a mold plate, wherein the mold plate is provided with a cavity, the connecting block is slidably disposed in the cavity of the mold plate, the connecting block abuts against the wall of the cavity, and no gap exists between the connecting block and the wall of the cavity.
3. An injection mold ejection mechanism as in claim 2, wherein the channels are rectangular parallelepiped channels and the first contact plane is perpendicular to all of the walls of the channels.
4. The injection mold ejection mechanism of claim 1, further comprising an ejector plate, the push rod being disposed on the ejector plate.
5. The injection mold ejection mechanism of claim 1 wherein the connecting block has a first runner, and the push rod is slidably engaged with the first runner of the connecting block.
6. An injection mold ejection mechanism as in claim 5, wherein the first runner is T-shaped.
7. The injection mold ejection mechanism of claim 1 wherein the connecting block has a second runner, and the lifter is slidably engaged with the second runner of the connecting block.
8. An injection mold ejection mechanism as in claim 7, wherein the second runner is T-shaped.
9. A mold comprising the injection mold ejection mechanism of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482339.2U CN218701007U (en) | 2022-09-19 | 2022-09-19 | Injection mold ejection mechanism and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482339.2U CN218701007U (en) | 2022-09-19 | 2022-09-19 | Injection mold ejection mechanism and mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218701007U true CN218701007U (en) | 2023-03-24 |
Family
ID=85635224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222482339.2U Active CN218701007U (en) | 2022-09-19 | 2022-09-19 | Injection mold ejection mechanism and mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218701007U (en) |
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2022
- 2022-09-19 CN CN202222482339.2U patent/CN218701007U/en active Active
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