CN209176105U - Automotive bumper mold rack drives pitched roof mechanism - Google Patents
Automotive bumper mold rack drives pitched roof mechanism Download PDFInfo
- Publication number
- CN209176105U CN209176105U CN201821802071.3U CN201821802071U CN209176105U CN 209176105 U CN209176105 U CN 209176105U CN 201821802071 U CN201821802071 U CN 201821802071U CN 209176105 U CN209176105 U CN 209176105U
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- straight
- oblique top
- core
- insert
- ejector rod
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Abstract
Automotive bumper mold rack drives pitched roof mechanism, including mold cores and type core insert, and the core fixing plate of mount type core, support block is respectively installed under the two sides of core fixing plate, mounting base under support block, upper plate and lower roof plate are set between two support blocks, straight mandril is connected on the upper plate, straight apical tooth item is arranged in the top side of straight mandril, oblique top insert is set in the type core, straight mandril, which protrudes into type core, to be against under oblique top insert, angle ejector rod is connected under oblique top insert, straight jacking block is arranged in the core fixing plate both ends, inclined-plane is arranged in the end walls of type core insert, avoiding hollow groove is formed between straight jacking block and inclined-plane, angle ejector rod pass-through core protrudes into avoiding hollow groove, oblique top rack gear is set on angle ejector rod, oblique top rack gear is meshed with straight apical tooth item.
Description
Technical field
The utility model relates to a kind of automotive bumper mold rack drives pitched roof mechanisms, belong to injection mold field.
Background technique
Plastic product, such as the bumper of automobile are produced using injection mold, according to product appearance and structural analysis, production
The mould structure of bumper is very complicated, especially has many back-offs to need to demould on bumper.Traditional technology back-off is de-
Mould generally uses pitched roof mechanism, but the gradient of oblique top is generally 8 ° or 12 °, and the back-off for more High angle, angle ejector rod is not only
Need to tilt more High angle and longer length, reduce the intensity of angle ejector rod, and the space occupied is also bigger, be easy with mold its
Its ejecting structure interferes, and makes mold processing difficulties.
Summary of the invention
The shortcomings that the purpose of this utility model is to overcome prior arts provides a kind of using rack gear engagement driving, energy
The inclination of more High angle, length is short, and intensity is good, and occupancy mould inside space is few, motion stability, reliable automotive bumper mold tooth
Item drives pitched roof mechanism.
The technical solution of the utility model automotive bumper mold rack drives pitched roof mechanism is: including mold cores and type
The core fixing plate of core insert and mount type core, respectively installs support block under the two sides of core fixing plate, mounting base under support block,
Upper plate and lower roof plate are set between two support blocks, it is characterised in that straight mandril, the top of straight mandril are connected on the upper plate
Straight apical tooth item is arranged in side, oblique top insert is arranged in the type core, straight mandril, which protrudes into type core, to be against under oblique top insert, oblique top
Angle ejector rod is connected under insert, straight jacking block is arranged in the core fixing plate both ends, and inclined-plane, straight jacking block is arranged in the end walls of type core insert
Avoiding hollow groove is formed between inclined-plane, angle ejector rod pass-through core protrudes into avoiding hollow groove, and oblique top rack gear, oblique top tooth are arranged on angle ejector rod
Item is meshed with straight apical tooth item.
The utility model automotive bumper mold rack drives pitched roof mechanism, it is main especially on straight mandril and angle ejector rod
Straight apical tooth item and oblique top rack gear is respectively set, and oblique top rack gear is meshed with straight apical tooth item, when work, is driven by injection molding machine power
Lower roof plate and upper plate, upper plate drive straight mandril to jack up upwards, under the action of straight apical tooth item and oblique top rack gear, straight mandril band
Dynamic angle ejector rod, angle ejector rod drive oblique top insert to make oblique top movement, realize demoulding purpose.The angle ejector rod of this programme vacantly protrudes into empty avoiding
In slot, length is short, and the intensity of angle ejector rod is effectively ensured, by oblique top rack gear and the engagement cooperation of straight apical tooth item, the gradient of oblique top by
Oblique top rack gear and the angle of straight apical tooth item cooperation determine, wide-angle cooperation may be implemented, to solve existing High angle (gradient
Greater than 12 °) ramp-roof structure there are the shortcomings that, it is practical.
Detailed description of the invention
Fig. 1 is the utility model automotive bumper mold rack drives pitched roof mechanism structural schematic diagram；
Fig. 2 is the straight mandril and angle ejector rod assembling schematic diagram of the utility model；
Fig. 3 is the angle ejector rod and oblique top insert assembling schematic diagram of the utility model.
Specific embodiment
The utility model relates to a kind of automotive bumper mold rack drives pitched roof mechanisms, as shown in Fig. 1-Fig. 3, including
The core fixing plate 3 of mold cores 1 and type core insert 2 and mount type core respectively installs support block 4 under the two sides of core fixing plate,
Upper plate 6 and lower roof plate 7 are arranged between two support blocks, connects straight mandril 8 on the upper plate 6, directly for mounting base 5 under support block
Straight apical tooth item 9 is arranged in the top side of mandril, oblique top insert 10 is arranged in the type core 1, straight mandril is protruded into type core 1 and is against
Under oblique top insert 10, oblique top insert 10 is lower to connect angle ejector rod 11, and straight jacking block 12, type core edge is arranged in 5 both ends of core fixing plate
Inclined-plane 13 is arranged in the end walls of block 2, and avoiding hollow groove 15 is formed between straight jacking block 12 and inclined-plane 13, and 11 pass-through core 1 of angle ejector rod protrudes into
In avoiding hollow groove 15, oblique top rack gear 16 is set on angle ejector rod 11, oblique top rack gear 16 is meshed with straight apical tooth item 9.The master of this programme
It is especially on straight mandril 8 and angle ejector rod 11 and straight apical tooth item 9 and oblique top rack gear 16 is respectively set, and oblique top rack gear 16 and Zhi Ding
Rack gear 9 is meshed, and when work, drives lower roof plate and upper plate by injection molding machine power, and upper plate drives straight mandril 8 to jack up upwards,
Under the action of straight apical tooth item 9 is with oblique top rack gear 16, straight mandril 8 drives angle ejector rod 11, and angle ejector rod drives oblique top insert to make oblique top
Demoulding purpose is realized in movement.The angle ejector rod of this programme vacantly protrudes into avoiding hollow groove 15, and length is short, and the strong of angle ejector rod is effectively ensured
Degree, by oblique top rack gear 16 and the engagement cooperation of straight apical tooth item 9, the gradient of oblique top is with oblique top rack gear 16 and straight apical tooth item 9
Angle determines, wide-angle cooperation may be implemented, and lacks existing for existing High angle (gradient is greater than 12 °) ramp-roof structure to solve
Point, it is practical.
Claims (1)
1. automotive bumper mold rack drives pitched roof mechanism, including mold cores (1) and type core insert (2) and mount type
The core fixing plate (3) of core is respectively installed support block (4) under the two sides of core fixing plate, mounting base (5) under support block, two support blocks it
Between upper plate (6) and lower roof plate (7) are set, it is characterised in that connect straight mandril (8) on the upper plate (6), straight mandril
Straight apical tooth item (9) is arranged in top side, oblique top insert (10) is arranged in the mold cores (1), straight mandril protrudes into mould type
It is against in core (1) under oblique top insert (10), connects angle ejector rod (11) under oblique top insert (10), core fixing plate (3) both ends
It is arranged straight jacking block (12), inclined-plane (13) are arranged in the end walls of type core insert (2), are formed and are kept away between straight jacking block (12) and inclined-plane (13)
Empty slot (15), angle ejector rod (11) pass through mold cores (1) and protrude into avoiding hollow groove (15), and oblique top rack gear is arranged on angle ejector rod (11)
(16), oblique top rack gear (16) is meshed with straight apical tooth item (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821802071.3U CN209176105U (en) | 2018-11-02 | 2018-11-02 | Automotive bumper mold rack drives pitched roof mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821802071.3U CN209176105U (en) | 2018-11-02 | 2018-11-02 | Automotive bumper mold rack drives pitched roof mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209176105U true CN209176105U (en) | 2019-07-30 |
Family
ID=67363229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821802071.3U Active CN209176105U (en) | 2018-11-02 | 2018-11-02 | Automotive bumper mold rack drives pitched roof mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209176105U (en) |
-
2018
- 2018-11-02 CN CN201821802071.3U patent/CN209176105U/en active Active
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