CN211683073U - Lens ejection mechanism - Google Patents
Lens ejection mechanism Download PDFInfo
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- CN211683073U CN211683073U CN201922139963.0U CN201922139963U CN211683073U CN 211683073 U CN211683073 U CN 211683073U CN 201922139963 U CN201922139963 U CN 201922139963U CN 211683073 U CN211683073 U CN 211683073U
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Abstract
A lens ejection mechanism comprises two primary ejector blocks, primary ejector rods positioned below the primary ejector blocks, a lower die positioned between the two primary ejector blocks, a plurality of secondary ejector rods, a moving block positioned below the lower die, a first fixed block positioned around the moving block, a second fixed block positioned below the first fixed block, two acceleration ejection prying blocks rotatably connected with the second fixed block and two acceleration ejection collision rods; a first opening is formed in the middle of the first fixing block, and the moving block is movably located in the first opening; the bottom of the secondary ejector rod is fixedly connected with the moving block, and the top of the secondary ejector rod is abutted against the extending block; the first fixing block is provided with second through holes at two sides of the first opening respectively, and the bottom of the accelerating ejector rod penetrates through the second through holes; the first end of the accelerating jacking pry block is abutted against the bottom of the moving block, and the second end of the accelerating jacking pry block is abutted against the bottom of the accelerating jacking rod. So can conveniently separate lens and lower mould and ejector pad once, production efficiency is high.
Description
Technical Field
The utility model relates to a technical field, especially a lens ejection mechanism are made in lens production.
Background
As shown in fig. 1, the applicant produces a lens 100 with two different heads, in the conventional production method, two primary ejector blocks 10 are designed below the paraboloids on two sides of the lens 100, a primary ejector rod 11 is arranged below the primary ejector block 10, and the two primary ejector blocks 10 can jack up the lens 100 first, so that the lens 100 is separated from a lower die 20, but because the wall thickness of the product is very large, the pressure maintaining pressure is high, and the pressure maintaining time is long, the mold sticking force of the product is very large, the paraboloids of the ejected product are still stuck on the primary ejector blocks 10 and are difficult to take out, and through verification, an external manipulator is also difficult to take out the product from the primary ejector blocks 10, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can conveniently be with lens and lower mould and a kicking block separation, lens ejection mechanism that production efficiency is high to solve above-mentioned problem.
A lens ejection mechanism is used for ejecting a lens unit, the lens unit is provided with a small end and a large end, protruding extension blocks are arranged on two sides of the lens unit respectively, the lens ejection mechanism comprises two primary ejection blocks, a primary ejector rod positioned below the primary ejection blocks, a lower die positioned between the two primary ejection blocks, a plurality of secondary ejector rods, a moving block positioned below the lower die, a first fixed block positioned around the moving block, a second fixed block positioned below the first fixed block, two accelerating ejection prying blocks rotatably connected with the second fixed block and two accelerating ejection collision rods; a first opening is formed in the middle of the first fixing block, and the moving block is movably located in the first opening; the bottom of the secondary ejector rod is fixedly connected with the moving block, and the top of the secondary ejector rod is abutted against the extending block; the first fixing block is provided with second through holes at two sides of the first opening respectively, and the bottom of the accelerating ejector rod penetrates through the second through holes; the first end of the accelerating jacking pry block is abutted against the bottom of the moving block, and the second end of the accelerating jacking pry block is abutted against the bottom of the accelerating jacking rod.
Further, the second fixed block has seted up the mounting groove towards one side of first fixed block and with the second through-hole and the relative position of partial first opening, and the mounting groove in-connection has the pivot, pushes up the middle part of sled piece with higher speed and has seted up the shaft hole, and the pivot passes the shaft hole of pushing up the sled piece with higher speed.
Furthermore, a lower die ejection column is arranged below the lower die, a first through hole is formed in the middle of the moving block, and the lower die ejection column penetrates through the first through hole of the moving block.
Furthermore, second openings are respectively formed in the other two sides of the first opening of the first fixing block, and the primary ejector rod penetrates through the second openings.
Compared with the prior art, the lens ejection mechanism comprises two primary ejector blocks, a primary ejector rod positioned below the primary ejector block, a lower die positioned between the two primary ejector blocks, a plurality of secondary ejector rods, a moving block positioned below the lower die, a first fixed block positioned around the moving block, a second fixed block positioned below the first fixed block, two accelerating ejection prying blocks rotatably connected with the second fixed block and two accelerating ejection collision rods; a first opening is formed in the middle of the first fixing block, and the moving block is movably located in the first opening; the bottom of the secondary ejector rod is fixedly connected with the moving block, and the top of the secondary ejector rod is abutted against the extending block; the first fixing block is provided with second through holes at two sides of the first opening respectively, and the bottom of the accelerating ejector rod penetrates through the second through holes; the first end of the accelerating jacking pry block is abutted against the bottom of the moving block, and the second end of the accelerating jacking pry block is abutted against the bottom of the accelerating jacking rod. So can conveniently separate lens and lower mould and ejector pad once, production efficiency is high.
Drawings
Embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of a conventional ejection mechanism.
Fig. 2 is a perspective view of the improved lens unit.
Fig. 3 is a schematic perspective view of a first viewing angle of the lens ejection mechanism according to the present invention.
Fig. 4 is a schematic perspective view of a second viewing angle of the lens ejection mechanism provided by the present invention.
Fig. 5 is a schematic perspective view of a third viewing angle of the lens ejection mechanism according to the present invention.
Fig. 6 is a schematic perspective view of a fourth viewing angle of the lens ejection mechanism according to the present invention.
Fig. 7 is a schematic diagram of a first state of the lens ejection mechanism provided by the present invention.
Fig. 8 is a schematic diagram of a second state of the lens ejection mechanism provided by the present invention.
Detailed Description
The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 2, the lens unit 100 has a small end 110 and a large end 120, and first side surfaces 130 in a parabolic shape are disposed on two sides of the lens unit 100 and between the small end 110 and the large end 120. Protruding extension blocks 140 are protrudingly provided on two second side surfaces adjacent to the first side surface 130 on the lens unit 100.
Referring to fig. 3 to 7, the lens ejecting mechanism provided by the present invention includes two primary ejector blocks 10, a primary ejector rod 11 located below the primary ejector block 10, a lower mold 20 located between the two primary ejector blocks 10, a plurality of secondary ejector rods 30, a moving block 40 located below the lower mold 20, a first fixed block 50 located around the moving block 40, a second fixed block 60 located below the first fixed block 50, two accelerating ejector pry blocks 70 rotatably connected to the second fixed block 60, and two accelerating ejector pins 80.
The second fixing block 60 may be connected with the first fixing block 50.
In the initial state, a cavity for molding the lens unit 100 is formed between the two primary top blocks 10, the lower mold 20, and an upper mold, and the lens unit 100 is formed in the cavity.
The lower die 20 is provided with a lower die top pillar 21 below, a first opening 51 is opened in the middle of the first fixing block 50, and the moving block 40 is movably located in the first opening 51. The middle part of the moving block 40 is provided with a first through hole, and the lower die top post 21 passes through the first through hole of the moving block 40.
The secondary lift pins 30 are fixedly connected at the bottom to the moving block 40 and at the top to the extension block 140.
The first fixing block 50 is further provided with second through holes 52 on both sides of the first opening 51, and the bottom of the acceleration knock bar 80 passes through the second through holes 52.
The second fixing block 60 is provided with a mounting groove 61 facing one side of the first fixing block 50 and opposite to the second through hole 52 and a part of the first opening 51, a rotating shaft 71 is connected in the mounting groove 61, a shaft hole is formed in the middle of the acceleration top pry block 70, and the rotating shaft 71 penetrates through the shaft hole of the acceleration top pry block 70, so that the acceleration top pry block 70 is rotatably connected with the second fixing block 60.
The acceleration jack block 70 has a first end abutting against the bottom of the moving block 40 and a second end abutting against the bottom of the acceleration jack 80.
The first fixing block 50 is further provided with second openings 53 at the other two sides of the first opening 51, and the primary lift rod 11 passes through the second openings 53.
Referring to fig. 7 and 8, during demolding, the primary lift pin 11 moves upward first, so that the primary lift block 10 moves upward, and the lens unit 100 is separated from the lower mold 20; then, the two acceleration top rams 80 move downward, so that the two acceleration top pry blocks 70 rotate around the rotating shaft 71, and the first ends of the acceleration top pry blocks 70 tilt upward, so that the moving block 40 moves upward, and further the secondary top rods 30 move upward, and since the tops of the secondary top rods 30 abut against the protruding extension blocks 140 of the lens unit 100, the lens unit 100 is separated from the primary top block 10. A gap is formed between the lens unit 100 and the primary top block 10 as shown in fig. 8.
The primary lift pin 11 and the acceleration lift pin 80 can be driven by different drive units, respectively.
Compared with the prior art, the lens ejection mechanism of the utility model comprises two primary ejector blocks 10, a primary ejector rod 11 positioned below the primary ejector block 10, a lower die 20 positioned between the two primary ejector blocks 10, a plurality of secondary ejector rods 30, a moving block 40 positioned below the lower die 20, a first fixed block 50 positioned around the moving block 40, a second fixed block 60 positioned below the first fixed block 50, two accelerating ejection prying blocks 70 rotatably connected with the second fixed block 60, and two accelerating ejection collision rods 80; a first opening 51 is formed in the middle of the first fixing block 50, and the moving block 40 is movably located in the first opening 51; the bottom of the secondary mandril 30 is fixedly connected with the moving block 40, and the top is abutted against the extension block 140; the first fixing block 50 is respectively provided with second through holes 52 at two sides of the first opening 51, and the bottom of the accelerating knock rod 80 passes through the second through holes 52; the acceleration jack block 70 has a first end abutting against the bottom of the moving block 40 and a second end abutting against the bottom of the acceleration jack 80. So can conveniently separate lens and lower mould and ejector pad once, production efficiency is high.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (4)
1. A lens ejection mechanism for ejecting a lens unit, characterized in that: the lens ejection mechanism comprises two primary ejector blocks, a primary ejector rod positioned below the primary ejector blocks, a lower die positioned between the two primary ejector blocks, a plurality of secondary ejector rods, a moving block positioned below the lower die, a first fixed block positioned around the moving block, a second fixed block positioned below the first fixed block, two acceleration ejection prying blocks rotatably connected with the second fixed block and two acceleration ejection collision rods; a first opening is formed in the middle of the first fixing block, and the moving block is movably located in the first opening; the bottom of the secondary ejector rod is fixedly connected with the moving block, and the top of the secondary ejector rod is abutted against the extending block; the first fixing block is provided with second through holes at two sides of the first opening respectively, and the bottom of the accelerating ejector rod penetrates through the second through holes; the first end of the accelerating jacking pry block is abutted against the bottom of the moving block, and the second end of the accelerating jacking pry block is abutted against the bottom of the accelerating jacking rod.
2. The lens ejection mechanism of claim 1, wherein: the second fixed block is towards one side of first fixed block and has seted up the mounting groove with the position that the first opening of second through-hole and part is relative, and the mounting groove in-connection has the pivot, and the shaft hole has been seted up at the middle part of top sled piece with higher speed, and the pivot passes the shaft hole of top sled piece with higher speed.
3. The lens ejection mechanism of claim 1, wherein: and a lower die ejection column is arranged below the lower die, a first through hole is formed in the middle of the moving block, and the lower die ejection column penetrates through the first through hole of the moving block.
4. The lens ejection mechanism of claim 1, wherein: second openings are further formed in the other two sides of the first opening of the first fixing block respectively, and the primary ejector rod penetrates through the second openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139963.0U CN211683073U (en) | 2019-12-03 | 2019-12-03 | Lens ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139963.0U CN211683073U (en) | 2019-12-03 | 2019-12-03 | Lens ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211683073U true CN211683073U (en) | 2020-10-16 |
Family
ID=72789408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922139963.0U Active CN211683073U (en) | 2019-12-03 | 2019-12-03 | Lens ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211683073U (en) |
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2019
- 2019-12-03 CN CN201922139963.0U patent/CN211683073U/en active Active
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