CN213227386U - Internal mold core ejection mechanism for injection mold - Google Patents
Internal mold core ejection mechanism for injection mold Download PDFInfo
- Publication number
- CN213227386U CN213227386U CN202021801339.9U CN202021801339U CN213227386U CN 213227386 U CN213227386 U CN 213227386U CN 202021801339 U CN202021801339 U CN 202021801339U CN 213227386 U CN213227386 U CN 213227386U
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- gear
- rack
- mould
- injection mold
- transmission rod
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Abstract
The utility model relates to an injection mold technical field specifically is an injection mold uses inside mold core ejection mechanism, comprising a lower die, the upside of lower mould is provided with the mould, the vertical movable chamber of having seted up of upside of lower mould, the inside in activity chamber is provided with the rack, and the upper end of rack links to each other with last mould welding, a drive link is transversely installed through the bearing to the lower mould is inside, and the front end fixed mounting of a drive link has a gear, a gear and rack mesh mutually. The utility model discloses a set up rack and first gear for go up the mould when opening and shutting, the rack can drive first gear revolve, thereby make the screw rod can go up and down according to the ejecting end of the drive that opens and shuts of last mould through the transmission, when causing the mould to open, the screw rod can drive ejecting end in the lump ejecting with the product of mould intracavity promptly, make the die sinking of device and two ejecting steps of product accomplish in a time in step, reduce the process completion time, thereby can increase production efficiency.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is an injection mold uses inside mold core ejection mechanism.
Background
The injection mold is a mold and a tool for injection molding of a product, and the principle is that heated molten liquid is injected into the mold and then is cooled and molded physically, and the product can be perfectly attached to a mold cavity after being cooled and molded, so that the product is difficult to take out, and the product needs to be ejected out of the mold cavity by using an ejection mechanism.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection mold is with inside mold core ejection mechanism to current ejection mechanism who proposes in solving above-mentioned background art is single mechanism, carries out ejecting work again after the die sinking finishes usually, and this clearance is longer, consequently can waste more time, influences production efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: an inner mold core ejection mechanism for an injection mold comprises a lower mold, wherein an upper mold is arranged on the upper side of the lower mold, a movable cavity is vertically formed in the upper side of the lower mold, a rack is arranged inside the movable cavity, the upper end of the rack is connected with the upper mold in a welding manner, a first transmission rod is transversely installed inside the lower mold through a bearing, a first gear is fixedly installed at the front end of the first transmission rod, the first gear is meshed with the rack, a first bevel gear is fixedly installed at the back end of the first transmission rod, a second transmission rod is vertically installed inside the lower mold through the bearing, second bevel gears are symmetrically installed at the upper end and the lower end of the second transmission rod, the upper side of the second bevel gears are meshed with the first bevel gears, a third transmission rod is transversely installed inside the lower mold through the bearing, third bevel gears are symmetrically installed at the two ends of the third transmission rod, and a group of the third bevel gears, the central point of lower mould puts and vertically installs the fourth transfer line through the bearing, and the upper end of fourth transfer line installs the fourth awl tooth, the fourth awl tooth is with another group the third awl tooth meshes mutually, the fixed cover of lower extreme of fourth transfer line has connect the second gear, the transmission groove has been seted up to the inside of lower mould, the second gear is located the central point of transmission groove and puts, square groove has vertically been seted up to the diapire of transmission groove, and the opening part of square groove installs the swivel nut through the bearing, vertically insert in the square groove and be equipped with the screw rod, and the lower extreme external diameter of screw rod and the internal diameter looks adaptation of square groove, the swivel nut cup joints on the screw rod, fixed the cup jointing has the ring gear on the swivel nut, and the ring gear meshes with the second gear mutually, be provided with ejecting end in the die cavity of lower mould, and the upper end fixed connection of ejecting end and screw.
Preferably, the ball has been inlayed on the inner wall of activity chamber equidistance, the right-hand member of rack is vertical to be seted up with the spout of ball looks adaptation.
Preferably, a fixed seat is installed at an opening at the upper end of the movable cavity through a screw, bristles are arranged at the right end of the fixed seat, and the bristles are attached to the tooth edge of the rack.
Preferably, the diameters of the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are all equal, and the diameter of the fourth bevel gear is smaller than that of the second gear.
Preferably, four groups of screw rods are arranged, and the four groups of screw rods are equidistantly installed by taking the fourth transmission rod as the circle center.
Preferably, the ejection end head is disc-shaped, and the upper surface of the ejection end head is a smooth surface.
Compared with the prior art, the beneficial effects of the utility model are that: this injection mold uses inside mold core ejection mechanism, through setting up rack and first gear, make and go up the mould when opening and shutting, the rack can drive first gear revolve, thereby make the screw rod can drive ejecting end to go up and down according to opening and shutting of last mould through the transmission, when causing the mould to open, the screw rod can drive ejecting end in the lump ejecting with the product of mould intracavity promptly, make the die sinking of device and two ejecting steps of product accomplish in step in a time, reduce process completion time, thereby can increase production efficiency.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic right sectional view of the structure of the present invention;
fig. 4 is a schematic structural rear view section view of the present invention;
fig. 5 is a schematic top view of the structure of the present invention.
In the figure: 1. a lower die; 2. an upper die; 3. a movable cavity; 4. a rack; 5. a fixed seat; 6. brushing; 7. a first drive lever; 8. a first gear; 9. a first bevel gear; 10. a second transmission rod; 11. a second taper tooth; 12. a third transmission rod; 13. a third bevel gear; 14. a fourth transmission rod; 15. a fourth bevel gear; 16. a second gear; 17. a transmission groove; 18. a threaded sleeve; 19. a screw; 20. a toothed ring; 21. and ejecting the end head.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: an internal mold core ejection mechanism for an injection mold comprises a lower mold 1, an upper mold 2 is arranged on the upper side of the lower mold 1, a movable cavity 3 is vertically formed in the upper side of the lower mold 1, a rack 4 is arranged inside the movable cavity 3, the upper end of the rack 4 is connected with the upper mold 2 in a welding manner, a first transmission rod 7 is transversely installed inside the lower mold 1 through a bearing, a first gear 8 is fixedly installed at the front end of the first transmission rod 7, the first gear 8 is meshed with the rack 4, a first bevel gear 9 is fixedly installed at the back end of the first transmission rod 7, a second transmission rod 10 is vertically installed inside the lower mold 1 through a bearing, second bevel gears 11 are symmetrically installed at the upper end and the lower end of the second transmission rod 10, the upper second bevel gear 11 is meshed with the first bevel gear 9, a third transmission rod 12 is transversely installed inside the lower mold 1 through a bearing, and third bevel gears 13 are, a group of third bevel gears 13 is engaged with the lower second bevel gear 11, a fourth transmission rod 14 is vertically installed at the center position of the lower die 1 through a bearing, a fourth bevel gear 15 is installed at the upper end of the fourth transmission rod 14, the fourth bevel gear 15 is engaged with the other group of third bevel gears 13, a second gear 16 is fixedly sleeved at the lower end of the fourth transmission rod 14, a transmission groove 17 is formed in the lower die 1, the second gear 16 is located at the center position of the transmission groove 17, a square groove is vertically formed in the bottom wall of the transmission groove 17, a threaded sleeve 18 is installed at the opening of the square groove through a bearing, a screw rod 19 is vertically inserted in the square groove, the outer diameter of the lower end of the screw rod 19 is matched with the inner diameter of the square groove, the threaded sleeve 18 is sleeved on the screw rod 19, a toothed ring 20 is fixedly sleeved on the threaded sleeve 18, the toothed ring 20 is engaged with the second gear 16, and an ejection end 21, and the ejection end 21 is fixedly connected with the upper end of the screw rod 19;
further, the ball has been inlayed to the equidistance on the inner wall in activity chamber 3, the vertical spout of seting up with ball looks adaptation of right-hand member of rack 4, and this structure is used for leading rack 4, guarantees steady and accurate that rack 4 removed, and avoids rack 4 left side single to receive the power of first gear 8 and the skew appears.
Further, fixing base 5 is installed through the screw to the upper end opening part in activity chamber 3, and the right-hand member of fixing base 5 is provided with brush hair 6, and brush hair 6 laminates mutually with the tooth limit of rack 4, like figure 1 and figure 2, when this structure makes rack 4 reciprocate, brush hair 6 can scrape the tooth limit of rack 4 to play the clearance effect, avoid gluing sticky impurity influence transmission on the tooth of rack 4.
Furthermore, the diameters of the first bevel gear 9, the second bevel gear 11, the third bevel gear 13 and the fourth bevel gear 15 are all equal, and the diameter of the fourth bevel gear 15 is smaller than that of the second gear 16, as shown in fig. 4, the structure enables the transmission process from the first gear 8 to the second gear 16 to generate speed change, so that the practicability of the device is increased, and the operation is more stable.
Furthermore, four groups of screws 19 are arranged, and the four groups of screws 19 are equidistantly installed by taking the fourth transmission rod 14 as a circle center, as shown in fig. 5, the structure enables the four groups of ejection ends 21 to eject the product out of the mold cavity at the same time, and the four groups of ejection ends 21 can ensure uniform stress on the product, thereby avoiding damage to the product.
Furthermore, ejecting end 21 is disc-shaped, and the upper surface of ejecting end 21 is the smooth surface, as shown in fig. 1, the disc-shaped structure makes ejecting end 21 evenly bear the force on the product, and the stressed surface does not have a corner.
The working principle is as follows: when the upper die 2 is opened, the rack 4 is driven to move upwards, so that the rack 4 drives the meshed first gear 8 to rotate, the first gear 8 drives the first bevel gear 9 to rotate through the first transmission rod 7, the first bevel gear 9 drives the second bevel gear 11 to rotate, the second transmission rod 10 drives the third bevel gear 13 to rotate through the second bevel gear 11, the third transmission rod 12 drives the fourth bevel gear 15 to rotate through the third bevel gear 13, the fourth bevel gear 15 drives the second gear 16 to rotate through the fourth transmission rod 14, the second gear 16 drives the four groups of toothed rings 20 to rotate in the transmission groove 17, the toothed rings 20 drive the threaded sleeve 18 to rotate, the threaded sleeve 18 is in threaded fit with the screw rod 19 when rotating, the screw rod 19 drives the ejection end 21 to move upwards through the threaded action, so that the ejection end 21 ejects a product in the die cavity of the lower die 1, and the rack 4 moves downwards to drive the first forward rotation gear 8 when the upper die 2 is closed, and four group's screw rods 19 can move down promptly and reset, unite two into one die sinking and ejecting two steps through this mode, reduce the process required time to need not other power, increase the practicality of device with this, in order to provide production efficiency, above do the utility model discloses a whole theory of operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an injection mold is with inside mold core ejection mechanism, includes lower mould (1), its characterized in that: the upper side of the lower die (1) is provided with an upper die (2), the upper side of the lower die (1) is vertically provided with a movable cavity (3), a rack (4) is arranged inside the movable cavity (3), the upper end of the rack (4) is connected with the upper die (2) in a welding manner, a first transmission rod (7) is transversely installed inside the lower die (1) through a bearing, a first gear (8) is fixedly installed at the front end of the first transmission rod (7), the first gear (8) is meshed with the rack (4), a first conical tooth (9) is fixedly installed at the back end of the first transmission rod (7), a second transmission rod (10) is vertically installed inside the lower die (1) through a bearing, second conical teeth (11) are symmetrically installed at the upper end and the lower end of the second transmission rod (10), the upper side of the second conical teeth (11) are meshed with the first conical teeth (9), and a third transmission rod (12) is transversely installed in the lower die (1) through, and the both ends symmetry of third transfer line (12) is installed third awl tooth (13), and is a set of third awl tooth (13) and downside second awl tooth (11) mesh mutually, the central point of lower mould (1) puts and vertically installs fourth transfer line (14) through the bearing, and the upper end of fourth transfer line (14) installs fourth awl tooth (15), fourth awl tooth (15) and another group third awl tooth (13) mesh mutually, the fixed cover of the lower extreme of fourth transfer line (14) has been connect second gear (16), transmission groove (17) have been seted up to the inside of lower mould (1), second gear (16) are in the central point of transmission groove (17) puts, square groove has been seted up vertically to the diapire of transmission groove (17), and the swivel nut (18) is installed through the bearing to the opening part of square groove, vertically insert in the square groove and be equipped with screw rod (19), the outer diameter of the lower end of the screw rod (19) is matched with the inner diameter of the square groove, the threaded sleeve (18) is sleeved on the screw rod (19), the threaded sleeve (18) is fixedly sleeved with a toothed ring (20), the toothed ring (20) is meshed with the second gear (16), an ejection end (21) is arranged in a mold cavity of the lower mold (1), and the ejection end (21) is fixedly connected with the upper end of the screw rod (19).
2. The internal core ejection mechanism for an injection mold according to claim 1, wherein: the ball has been inlayed to the equidistance on the inner wall in activity chamber (3), the vertical spout of seting up with ball looks adaptation of right-hand member of rack (4).
3. The internal core ejection mechanism for an injection mold according to claim 1, wherein: fixing base (5) are installed through the screw to the upper end opening part in activity chamber (3), and the right-hand member of fixing base (5) is provided with brush hair (6), brush hair (6) laminate mutually with the tooth flank of rack (4).
4. The internal core ejection mechanism for an injection mold according to claim 1, wherein: the diameters of the first bevel gear (9), the second bevel gear (11), the third bevel gear (13) and the fourth bevel gear (15) are equal, and the diameter of the fourth bevel gear (15) is smaller than that of the second gear (16).
5. The internal core ejection mechanism for an injection mold according to claim 1, wherein: the screw rods (19) are provided with four groups, and the four groups of screw rods (19) are arranged at equal intervals by taking the fourth transmission rod (14) as the circle center.
6. The internal core ejection mechanism for an injection mold according to claim 1, wherein: the ejection end head (21) is disc-shaped, and the upper surface of the ejection end head (21) is a smooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021801339.9U CN213227386U (en) | 2020-08-26 | 2020-08-26 | Internal mold core ejection mechanism for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021801339.9U CN213227386U (en) | 2020-08-26 | 2020-08-26 | Internal mold core ejection mechanism for injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213227386U true CN213227386U (en) | 2021-05-18 |
Family
ID=75902629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021801339.9U Expired - Fee Related CN213227386U (en) | 2020-08-26 | 2020-08-26 | Internal mold core ejection mechanism for injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213227386U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414932A (en) * | 2021-06-25 | 2021-09-21 | 山东海丽管道科技有限公司 | Plastic pipe injection molding system |
| CN113997511A (en) * | 2021-09-26 | 2022-02-01 | 浙江岭达万向轮有限公司 | Forming equipment for extruding universal wheel |
| CN116237439A (en) * | 2022-12-15 | 2023-06-09 | 南京雨硕机械有限公司 | Goods shelves support piece compacting equipment |
| CN117087108A (en) * | 2023-09-05 | 2023-11-21 | 昆山亿晟力精密模具有限公司 | An injection mold with automatic demoulding mechanism |
| CN119411431A (en) * | 2025-01-07 | 2025-02-11 | 厦门中乾机械有限公司 | Forming mold and paper dinner plate forming machine |
-
2020
- 2020-08-26 CN CN202021801339.9U patent/CN213227386U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414932A (en) * | 2021-06-25 | 2021-09-21 | 山东海丽管道科技有限公司 | Plastic pipe injection molding system |
| CN113997511A (en) * | 2021-09-26 | 2022-02-01 | 浙江岭达万向轮有限公司 | Forming equipment for extruding universal wheel |
| CN113997511B (en) * | 2021-09-26 | 2023-08-22 | 浙江岭达万向轮有限公司 | Forming equipment for extruding universal wheels |
| CN116237439A (en) * | 2022-12-15 | 2023-06-09 | 南京雨硕机械有限公司 | Goods shelves support piece compacting equipment |
| CN117087108A (en) * | 2023-09-05 | 2023-11-21 | 昆山亿晟力精密模具有限公司 | An injection mold with automatic demoulding mechanism |
| CN119411431A (en) * | 2025-01-07 | 2025-02-11 | 厦门中乾机械有限公司 | Forming mold and paper dinner plate forming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211208 Address after: 318020 No. 388, banyangzhang village, Xicheng street, Huangyan District, Taizhou City, Zhejiang Province Patentee after: Taizhou Huangyan youzeng plastic mould factory Address before: No.288, Jiamu Road, Huangyan District, Taizhou City, Zhejiang Province 318020 Patentee before: Shao Jun Patentee before: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |