CN209903843U - Oblique-ejection and straight-ejection combined ejection demolding mechanism - Google Patents
Oblique-ejection and straight-ejection combined ejection demolding mechanism Download PDFInfo
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- CN209903843U CN209903843U CN201920738992.6U CN201920738992U CN209903843U CN 209903843 U CN209903843 U CN 209903843U CN 201920738992 U CN201920738992 U CN 201920738992U CN 209903843 U CN209903843 U CN 209903843U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 230000003139 buffering effect Effects 0.000 claims abstract description 20
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model relates to an injection molding machine technical field especially relates to push up to one side and directly push up combination ejection demoulding mechanism, it includes mould and lower mould, it has seted up the demoulding chamber to go up the mould, the drawing of patterns intracavity is equipped with the liftout plate, the top hinge of liftout plate is equipped with two buffering answer springs, be equipped with the buffering answer spring hole of stepping down on the mould, the upper end hinge of buffering answer spring is adorned in the buffering answer spring hole of stepping down, the middle part fixed mounting of liftout plate has straight kicking block, the left side fixed mounting of liftout plate has oblique kicking block, the right side fixed mounting of liftout plate has the back needle, the kicking block to one side, the lower extreme of straight kicking block and back needle all stretches out outside last mould and the lower extreme of straight kicking block is good at oblique kicking block and back needle, lower mould pneumatic cylinder drive up-and down motion, the upper end of lower mould is equipped with oblique kick. The device provided by the utility model simple structure can realize smooth drawing of patterns and action safe and reliable in narrow and small space.
Description
Technical Field
The utility model relates to an injection molding machine technical field especially relates to oblique top adds straight top combination ejection demoulding mechanism.
Background
In the product design process, in order to ensure that the assembly between the product is firmer and firmer, some installation buckles need to be designed, so that the product is more firmly assembled. However, the additional snap is realized by adding some demoulding structures, such as a slanted top, in the manufacturing process of the mould. Due to the limitation of the size of the product, some demoulding structures (inclined ejection) cannot be realized in the manufacturing process of the mould, and finally, the product can only be changed, so that the research and development period and the assembly function of the product are influenced. The existing pitched roof mechanism needs enough movement space to realize the jacking action. This can result in the pitched roof ejection action not being completed if there is insufficient space or other features of the shape adjacent to it interfere with it.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure is provided, can realize in narrow and small space that the smooth drawing of patterns just moves safe and reliable's oblique top and straight top combination ejection demoulding mechanism.
The utility model discloses a realize through following technical scheme:
an inclined ejection and straight ejection combined ejection and demolding mechanism comprises an upper mold and a lower mold which are fixedly installed on an injection molding machine, wherein a demolding cavity is formed in the upper mold, an ejection plate is arranged in the demolding cavity, two buffering return springs are hinged above the ejection plate, a buffering return spring abdicating hole is formed in the position, corresponding to the buffering return springs, on the upper mold, the upper ends of the buffering return springs are hinged in the buffering return spring abdicating hole, a straight ejection block is fixedly installed in the middle of the ejection plate, an inclined ejection block is fixedly installed on the left side of the ejection plate, a return needle is fixedly installed on the right side of the ejection plate, the lower ends of the inclined ejection block, the straight ejection block and the return needle all extend out of the upper mold, the lower end of the straight ejection block is longer than the inclined ejection block and the return needle, the lower mold is driven to move up and down by a hydraulic cylinder installed on the injection molding machine, the upper end of the lower mold is provided with an inclined ejection block, the ejection part is arranged at the position corresponding to the lower end of the back needle.
Furthermore, the lower part of the straight ejector block is fixedly provided with a horizontal inclined ejector block lifting part, and the lower end part of the inclined ejector block is provided with a bearing part arranged on the inclined ejector block lifting part.
Furthermore, an inclined ejector block guide plate is fixedly mounted on the ejector plate, and the upper end of the inclined ejector block is located in an inclined guide hole of the inclined ejector block guide plate.
Beneficial effects of the utility model
The ejection demoulding mechanism is characterized in that the oblique ejector block and the straight ejector block are combined to form an ejection demoulding mechanism, the opening and closing of a mould are realized by driving a lower mould through a hydraulic cylinder, during mould closing, the hydraulic cylinder drives the lower mould to move upwards, after an ejection part at the upper end of the lower mould ejects a return pin, the return pin continues to drive the lower mould to move upwards along with the hydraulic cylinder, so that the return pin drives an ejection plate to move upwards together, the straight ejector block and the oblique ejector block are fixedly connected with the ejection plate respectively, the straight ejector block and the oblique ejector block are driven to move upwards synchronously together, mutual interference cannot occur, after mould closing, a buffer return spring is in a compression state, the lower ends of the oblique ejector block and the straight ejector block are just located in the oblique ejector block yielding position and the straight ejector block yielding. During the die sinking, the pneumatic cylinder drives the lower mould downstream, and the spring resumes natural state gradually from compression state, and the restoring force drive ejector plate downstream of spring to make straight kicking block and oblique kicking block downstream realize smooth drawing of patterns, owing to the cooperation of oblique kicking block and straight kicking block, make this mechanism just can realize smooth drawing of patterns in narrow and small space, drawing of patterns process safe and reliable, and overall structure is fairly simple.
Drawings
FIG. 1 is a schematic structural view of the mold closing state of the present invention;
FIG. 2 is a schematic view of the structure of the mold opening state of the present invention;
in the figure, 1, an injection molding machine, 2, a hydraulic cylinder, 3, a buffer return spring abdicating hole, 4, a buffer return spring, 5, a return needle, 6, an upper die, 7, a straight ejector block, 8, a lower die, 9, an inclined ejector block lifting part, 10, a bearing part, 11, an inclined ejector block, 12, an inclined ejector block guide plate, 13, a demolding cavity, 14, an ejector plate, 15, an inclined ejector block abdicating, 16, a straight ejector block abdicating and 17, an ejector part are arranged.
Detailed Description
An inclined top and straight top combined ejection demoulding mechanism comprises an upper mould 6 and a lower mould 8 which are fixedly arranged on an injection moulding machine 1, wherein the upper mould is provided with a demoulding cavity 13, an ejection plate 14 is arranged in the demoulding cavity, two buffering return springs 4 are hinged above the ejection plate, a buffering return spring abdicating hole 3 is arranged on the upper mould at a position corresponding to the buffering return springs, the upper ends of the buffering return springs are hinged in the buffering return spring abdicating hole, a straight ejection block 7 is fixedly arranged in the middle of the ejection plate, the straight ejection block can be fixedly connected with the ejection plate through bolts, an inclined ejection block 11 is fixedly arranged on the left side of the ejection plate, a return needle 5 is fixedly arranged on the right side of the ejection plate, the return needle can be fixedly connected with the ejection plate through bolts, the lower ends of the inclined ejection block, the straight ejection block and the return needle all extend out of the upper mould, the lower end of the straight ejection block is longer than the inclined ejection block and the return needle, the lower mould is driven to, the upper end of the lower die is provided with an inclined ejector block abdication 15 and a straight ejector block abdication 16 which are matched with the lower end parts of the inclined ejector block and the straight ejector block, and the position corresponding to the lower end of the return needle is provided with an ejection part 17.
Further, a horizontal inclined ejecting block lifting part 9 is fixedly arranged on the lower portion of the straight ejecting block, the inclined ejecting block lifting part and the straight ejecting block are integrally formed, a bearing part 10 arranged on the inclined ejecting block lifting part is arranged on the lower end portion of the inclined ejecting block, and the bearing part and the inclined ejecting block are integrally formed.
Furthermore, an inclined ejector block guide plate 12 is fixedly installed on the ejector plate, and the upper end of the inclined ejector block is located in an inclined guide hole of the inclined ejector block guide plate, so that the movement of the inclined ejector block is more reliable, and the smooth operation of the demoulding action is further ensured.
During the compound die, the pneumatic cylinder drives the lower mould upward movement, after the liftout portion of lower mould upper end pushed up the return pin, continue to drive the lower mould upward movement along with the pneumatic cylinder, the return pin is along with the upward movement, thereby drive liftout plate upward movement together, because straight kicking block and oblique kicking block and liftout plate fixed connection respectively, thereby drive straight kicking block and oblique kicking block synchronous upward movement together, can not produce the mutual interference, after the compound die, the buffering is replied the spring and is in compression state, the lower extreme of oblique kicking block and straight kicking block just is located oblique kicking block abdication and the straight kicking block abdication of lower mould upper end, guarantee compound die process safe and reliable. During the die sinking, the pneumatic cylinder drives the lower mould downstream, and the spring resumes natural state gradually from compression state, and the restoring force drive ejector plate downstream of spring to make straight kicking block and oblique kicking block downstream realize smooth drawing of patterns, owing to the cooperation of oblique kicking block and straight kicking block, make this mechanism just can realize smooth drawing of patterns in narrow and small space, drawing of patterns process safe and reliable, and overall structure is fairly simple.
To sum up, the utility model discloses a push up to one side and directly push up combination ejection demoulding mechanism who protects, simple structure can realize smooth drawing of patterns and action safe and reliable in narrow and small space
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The combined ejection and demolding mechanism with the inclined ejection and the straight ejection is characterized by comprising an upper mold and a lower mold which are fixedly installed on an injection molding machine, wherein a demolding cavity is formed in the upper mold, an ejection plate is arranged in the demolding cavity, two buffering and restoring springs are hinged above the ejection plate, a buffering and restoring spring abdicating hole is formed in the position, corresponding to the buffering and restoring springs, on the upper mold, the upper ends of the buffering and restoring springs are hinged in the buffering and restoring spring abdicating hole, a straight ejection block is fixedly installed in the middle of the ejection plate, an inclined ejection block is fixedly installed on the left side of the ejection plate, a return needle is fixedly installed on the right side of the ejection plate, the lower ends of the inclined ejection block, the straight ejection block and the return needle all extend out of the upper mold, the lower end of the straight ejection block is longer than the inclined ejection block and the return needle, the lower end of the lower mold is driven to move up and down by a hydraulic cylinder installed on the injection molding machine, an inclined, the ejection part is arranged at the position corresponding to the lower end of the back needle.
2. The combined ejection and demolding mechanism with the inclined top and the straight top as claimed in claim 1, wherein the lower part of the straight top block is fixedly provided with a horizontal inclined top block supporting part, and the lower end part of the inclined top block is provided with a supporting part arranged on the inclined top block supporting part.
3. The mechanism of claim 2, wherein the ejector plate is fixedly provided with an ejector block guide plate, and the upper end of the ejector block is positioned in a guide hole inclined by the ejector block guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738992.6U CN209903843U (en) | 2019-05-22 | 2019-05-22 | Oblique-ejection and straight-ejection combined ejection demolding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738992.6U CN209903843U (en) | 2019-05-22 | 2019-05-22 | Oblique-ejection and straight-ejection combined ejection demolding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209903843U true CN209903843U (en) | 2020-01-07 |
Family
ID=69048984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920738992.6U Expired - Fee Related CN209903843U (en) | 2019-05-22 | 2019-05-22 | Oblique-ejection and straight-ejection combined ejection demolding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209903843U (en) |
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2019
- 2019-05-22 CN CN201920738992.6U patent/CN209903843U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 |