CN220219534U - Time delay ejection mechanism of folding box die - Google Patents
Time delay ejection mechanism of folding box die Download PDFInfo
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- CN220219534U CN220219534U CN202321109961.7U CN202321109961U CN220219534U CN 220219534 U CN220219534 U CN 220219534U CN 202321109961 U CN202321109961 U CN 202321109961U CN 220219534 U CN220219534 U CN 220219534U
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- ejection mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 43
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000011295 pitch Substances 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of injection molds and discloses a time delay ejection mechanism of a folding box mold, which comprises a top plate, a finished product and a runner gate, wherein a top plate needle is fixedly connected to the top of the top plate, a fixed column is fixedly connected to the top of the top plate, a time delay mechanism is arranged at the top of the top plate, the top of the time delay mechanism is fixedly connected with the time delay top plate needle, the time delay mechanism comprises a fixed frame, a gear is arranged in the fixed frame, a worm is fixedly connected to the inside of the gear, the time delay ejection mechanism of the folding box mold is provided with a time delay thimble structure which is convenient to use, stable and controllable, the gear structure is used for converting movement into rotation, a screw structure is arranged for adjusting the movement speed of the time delay thimble, a distance is reserved between the finished product and the top plate, and the time delay ejection mechanism is convenient to operate, and the problem that the time delay ejection mechanism of the existing folding box mold is only provided with a reserved groove inside the top plate so that the operation is limited by the height of the top plate is solved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a time delay ejection mechanism of a folding box mold.
Background
The mold is an important equipment indispensable in injection molding. The injection molding is a method for injecting raw materials with a certain temperature into a gap formed by a male die and a female die to form a product, and the injection molding method has the characteristics of low molding cost, short molding period, simple molding process and the like, so that the injection molding method is very popular in the field of product manufacturing, but one or more parts of the surface of the product are always jacked or jacked to deform due to the material of the product or the wall thickness of the product, and the like.
In general, when the die is opened, the ejector pin ejects the product immediately, the product does not have enough time to cool, in the demolding process, the product is easy to be subjected to the phenomenon of ejection white to influence the quality of the product, and the currently used delay ejection mechanism is provided with a reserved groove in the top plate, so that a distance is reserved for the delay ejector pin, the delay ejector pin can start to move after the common ejector pin ejects the finished product, and the delay ejection action is formed, but the operation of the delay ejector pin is limited by the height of the top plate, so that the delay ejection mechanism of the folding box die is provided.
Disclosure of Invention
Aiming at the defect that the time delay ejection mechanism of the folding box die in the prior art is only provided with a reserved groove in the top plate so that the operation of the time delay ejection mechanism is limited by the height of the top plate, the utility model provides the time delay ejection mechanism of the folding box die, and the time delay ejection mechanism has the advantages of convenience in use and stability and controllability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a time delay ejection mechanism of folding box mould, includes roof, finished product and runner, the top fixedly connected with roof needle of roof, the top fixedly connected with fixed column of roof, the top of roof is provided with time delay mechanism, time delay mechanism's top fixedly connected with time delay roof needle.
Preferably, the time delay mechanism comprises a fixed frame, a gear is arranged in the fixed frame, a worm is fixedly connected to the inside of the gear, a worm wheel is connected to the outside of the worm in a meshed mode, a rotating rod is fixedly connected to the inside of the worm wheel, a first threaded column is fixedly connected to the top of the rotating rod, a connecting column is fixedly connected to the top of the first threaded column, and a second threaded column is fixedly connected to the top of the connecting column.
Preferably, the inside of mount has still been seted up the spacing groove, the inside joint of spacing groove has the stopper, the outside fixedly connected with extension ring of stopper, the bottom of extension ring is provided with the second swivel becket, the bottom of second swivel becket is provided with the spacing ring, the bottom of spacing ring is provided with first swivel becket.
Preferably, teeth corresponding to the gears are arranged on the outer portions of the fixed columns, the gears are in meshed connection with the teeth, and when the top plate drives the fixed columns to move, the fixed columns can use the teeth arranged on the outer portions of the fixed columns to drive the gears in meshed connection with the fixed columns to rotate.
Preferably, the cross section area of the first threaded column is smaller than the cross section area of the second threaded column, the pitch of the first threaded column is larger than the pitch of the second threaded column, the top plate drives the top plate needle and the fixed column to move, the fixed column drives the time delay mechanism to operate so as to drive the time delay top plate needle to move, the moving speed of the time delay top plate needle is the same as that of the top plate needle under the action of the first threaded column and the first rotating ring, and the moving speed of the time delay top plate needle is smaller than that of the top plate needle under the action of the second threaded column and the second rotating ring.
Preferably, a thread structure corresponding to the first thread post is arranged in the first rotating ring, the height of the first rotating ring is smaller than that of the connecting post, and the ring distance of the second rotating ring is larger than that of the first rotating ring.
Preferably, the limiting block is arranged to be of a protruding structure corresponding to the limiting groove, the limiting groove can limit the position of the limiting block, and the structure rotation of an extension ring, a limiting ring and the like which are fixedly connected with the limiting block is avoided.
The beneficial effects are that:
1. this time delay ejection mechanism of folding box mould drives roof needle and fixed column through the roof and removes, and the fixed column removes and will drive the gear and rotate, and the gear drives the worm and rotates, and the worm drives the worm wheel and rotates, and the worm wheel drives the dwang and rotates, and the dwang drives first screw thread post and spliced pole and second screw thread post and rotate, under first screw thread post and first rotating ring effect, and the time delay roof needle is the same with roof needle travel speed, and under second screw thread post and second rotating ring effect, the travel speed of time delay roof needle is less than the travel speed of roof needle, and the roof needle is when removing to the finished product bottom promptly, and the time delay roof needle does not remove to runner bottom, and then accomplishes the purpose that the time delay was ejecting.
2. The time delay ejection mechanism of the folding box die is characterized in that the change of the moving speed difference of the top plate needle and the time delay top plate needle is completed by adjusting the lengths and the screw pitches of the first screw thread column and the connecting column and the second screw thread column, and when the time delay ejection mechanism is used, the first screw thread column, the second screw thread column, the first rotating ring and the second rotating ring which are different can be replaced, so that the distance difference between the top plate needle and the time delay top plate needle in the moving process is changed, and the adjustment of the time of time delay ejection is completed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a fixing column structure according to the present utility model;
FIG. 3 is a schematic view of the structure of the fixing frame of the present utility model;
FIG. 4 is a schematic diagram of a gear structure according to the present utility model;
fig. 5 is an exploded view of the present utility model.
In the figure: 1. a top plate; 2. a top plate needle; 3. fixing the column; 4. a time delay mechanism; 5. a time delay roof needle; 6. a finished product; 7. a runner gate; 8. a fixing frame; 9. a limit groove; 10. a gear; 11. a worm; 12. a worm wheel; 13. a rotating lever; 14. a first threaded post; 15. a connecting column; 16. a second threaded post; 17. a first rotating ring; 18. a limiting ring; 19. a second rotating ring; 20. an extension ring; 21. and a limiting block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, a time delay ejection mechanism of a folding box mold comprises a top plate 1, a finished product 6 and a runner gate 7, wherein a top plate needle 2 is fixedly connected to the top of the top plate 1, a fixed column 3 is fixedly connected to the top of the top plate 1, a time delay mechanism 4 is arranged at the top of the top plate 1, and a time delay top plate needle 5 is fixedly connected to the top of the time delay mechanism 4.
The time delay mechanism 4 comprises a fixing frame 8, a gear 10 is arranged in the fixing frame 8, a worm 11 is fixedly connected to the inside of the gear 10, a worm wheel 12 is connected to the outside of the worm 11 in a meshed mode, a rotating rod 13 is fixedly connected to the inside of the worm wheel 12, a first threaded column 14 is fixedly connected to the top of the rotating rod 13, a connecting column 15 is fixedly connected to the top of the first threaded column 14, and a second threaded column 16 is fixedly connected to the top of the connecting column 15.
Wherein, limit groove 9 has still been seted up to the inside of mount 8, and limit groove 9's inside joint has stopper 21, and the outside fixedly connected with extension ring 20 of stopper 21, the bottom of extension ring 20 is provided with second rotation ring 19, and the bottom of second rotation ring 19 is provided with spacing ring 18, and the bottom of spacing ring 18 is provided with first rotation ring 17.
Wherein, the outside of fixed column 3 is provided with the tooth that corresponds with gear 10, and gear 10 and tooth meshing are connected, and fixed column 3 can use its outside tooth that sets up to drive the gear 10 that is connected with it meshing when roof 2 drives fixed column 3 and removes.
The cross-sectional area of the first threaded column 14 is smaller than that of the second threaded column 16, the pitch of the first threaded column 14 is larger than that of the second threaded column 16, the top plate 1 drives the top plate needle 2 and the fixed column 3 to move, the fixed column 3 drives the delay mechanism 4 to operate so as to drive the delay top plate needle 5 to move, the movement speed of the delay top plate needle 5 is the same as that of the top plate needle 2 under the action of the first threaded column 14 and the first rotating ring 17, and the movement speed of the delay top plate needle 5 is smaller than that of the top plate needle 2 under the action of the second threaded column 16 and the second rotating ring 19.
Wherein, the first rotating ring 17 is provided with a thread structure corresponding to the first thread post 14, the height of the first rotating ring 17 is smaller than the height of the connecting post 15, and the ring distance of the second rotating ring 19 is larger than the ring distance of the first rotating ring 17.
The limiting block 21 is arranged to be of a protruding structure corresponding to the limiting groove 9, the limiting groove 9 can limit the position of the limiting block 21, and the structure rotation of the extending ring 20, the limiting ring 18 and the like which are fixedly connected with the limiting block 21 is avoided.
Working principle: when the time delay ejection mechanism of the folding box die is used, the top plate 1 can drive the top plate needle 2 and the fixed column 3 to move, the fixed column 3 moves to drive the gear 10 to rotate, the gear 10 drives the worm 11 to rotate, the worm 11 drives the worm wheel 12 to rotate, the worm wheel 12 drives the rotating rod 13 to rotate, the rotating rod 13 drives the first threaded column 14, the connecting column and the second threaded column 16 to rotate, at the moment, the second rotating ring 19 is not connected with the first threaded column 14 due to the fact that the self structure is adopted, only the first rotating ring 17 rotates under the action of the first threaded column 14, the limiting ring 18 is extruded to drive the limiting ring 18 to move, the limiting ring 18 extrudes the second rotating ring 19 and drives the second rotating ring 19 to move, when the second rotating ring 19 moves to the second threaded column 16, the first rotating ring 17 moves to the vicinity of the connecting column 15 and does not move upwards, the second rotating ring 19 starts to drive the extending ring 20 to move, the moving speed of the top plate needle 5 is identical to the top plate needle 2 under the action of the first threaded column 14 and the second rotating ring 17, the moving speed of the top plate needle 5 is smaller than the moving speed of the top plate needle 2 under the action of the second rotating ring 19 is also equal to the second threaded column 16 and the top plate needle 2 is not driven to move to the top plate needle 2, namely the top plate 2 is not delayed to move to the bottom of the top plate needle 2.
Example two
Referring to fig. 1-4, further, in the first embodiment, a first threaded column 14 is fixedly connected to the top of the rotating rod 13, a connecting column 15 is fixedly connected to the top of the first threaded column 14, a second threaded column 16 is fixedly connected to the top of the connecting column 15, a second rotating ring 19 is arranged at the bottom of the extending ring 20, a limiting ring 18 is arranged at the bottom of the second rotating ring 19, and a first rotating ring 17 is arranged at the bottom of the limiting ring 18.
Working principle: when the time delay ejection mechanism of the folding box die is used, the change of the moving speed difference of the top plate needle 2 and the time delay top plate needle 5 can be completed by adjusting the lengths and the screw pitches of the first screw thread column 14 and the connecting column 15 and the second screw thread column 16, and when the time delay ejection mechanism 4 is used, the first screw thread column 14 and the second screw thread column 16 which are different and the first rotating ring 17 and the second rotating ring 19 can be replaced, so that the distance difference in the moving process between the top plate needle 2 and the time delay top plate needle 5 is changed, and the adjustment of the time delay ejection is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a time delay ejection mechanism of folding box mould, includes roof (1), finished product (6) and runner (7), its characterized in that: top fixedly connected with roof needle (2) of roof (1), the top fixedly connected with fixed column (3) of roof (1), the top of roof (1) is provided with delay mechanism (4), the top fixedly connected with time delay roof needle (5) of delay mechanism (4).
2. The time delay ejection mechanism of a folding box mold according to claim 1, wherein: the time delay mechanism (4) comprises a fixing frame (8), a gear (10) is arranged in the fixing frame (8), a worm (11) is fixedly connected to the inside of the gear (10), a worm wheel (12) is connected to the outside of the worm (11) in a meshed mode, a rotating rod (13) is fixedly connected to the inside of the worm wheel (12), a first threaded column (14) is fixedly connected to the top of the rotating rod (13), a connecting column (15) is fixedly connected to the top of the first threaded column (14), and a second threaded column (16) is fixedly connected to the top of the connecting column (15).
3. The time delay ejection mechanism of a folding box mold according to claim 2, wherein: the inside of mount (8) has still been seted up spacing groove (9), the inside joint of spacing groove (9) has stopper (21), the outside fixedly connected with extension ring (20) of stopper (21), the bottom of extension ring (20) is provided with second rotation ring (19), the bottom of second rotation ring (19) is provided with spacing ring (18), the bottom of spacing ring (18) is provided with first rotation ring (17).
4. The time delay ejection mechanism of a folding box mold according to claim 2, wherein: the outside of fixed column (3) is provided with the tooth that corresponds with gear (10), gear (10) are connected with the tooth meshing.
5. The time delay ejection mechanism of a folding box mold according to claim 2, wherein: the cross-sectional area of the first threaded post (14) is smaller than the cross-sectional area of the second threaded post (16), and the pitch of the first threaded post (14) is larger than the pitch of the second threaded post (16).
6. A time delay ejection mechanism for a folding box mold according to claim 3, wherein: the inside of first rotation ring (17) is provided with the helicitic texture that corresponds with first screw thread post (14), the height of first rotation ring (17) is less than the height of spliced pole (15), the ring distance of second rotation ring (19) is greater than the ring distance of first rotation ring (17).
7. A time delay ejection mechanism for a folding box mold according to claim 3, wherein: the limiting block (21) is of a protruding structure corresponding to the limiting groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321109961.7U CN220219534U (en) | 2023-05-10 | 2023-05-10 | Time delay ejection mechanism of folding box die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321109961.7U CN220219534U (en) | 2023-05-10 | 2023-05-10 | Time delay ejection mechanism of folding box die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220219534U true CN220219534U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321109961.7U Active CN220219534U (en) | 2023-05-10 | 2023-05-10 | Time delay ejection mechanism of folding box die |
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| Country | Link |
|---|---|
| CN (1) | CN220219534U (en) |
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2023
- 2023-05-10 CN CN202321109961.7U patent/CN220219534U/en active Active
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