CN220681466U - Double-station ejection die ejection mechanism - Google Patents
Double-station ejection die ejection mechanism Download PDFInfo
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- CN220681466U CN220681466U CN202322332048.XU CN202322332048U CN220681466U CN 220681466 U CN220681466 U CN 220681466U CN 202322332048 U CN202322332048 U CN 202322332048U CN 220681466 U CN220681466 U CN 220681466U
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- mold core
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- plate
- ejection mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 2
- 238000001746 injection moulding Methods 0.000 abstract description 30
- 238000005192 partition Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000011120 plywood Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of mold ejection mechanisms, and discloses a double-station ejection mold ejection mechanism which comprises a base, wherein supporting seats are fixedly arranged on two sides of the upper end of the base, and bottom plates are fixedly arranged at the upper ends of the two supporting seats. According to the utility model, through arranging the ejection mechanism consisting of the connecting shaft, the fixed ring, the fixed sleeve, the central rotating shaft, the limiting groove, the fixed seat and the external ejection cylinder, the front mold core and the rear mold core can be conveniently ejected out of the top plate to form a safe stroke, the positions of the front mold core and the rear mold core are exchanged by the rotating mechanism consisting of the gear, the limiting block, the parallel cylinder, the rack and the like, and finally after injection molding is finished, the demolding mechanism consisting of the ejector pin, the lifting table, the lifting cylinder and the like is arranged to finish demolding, so that the work of separate injection molding processing and demolding of the front mold core and the rear mold core can be realized, the working efficiency is effectively improved, the working period is shortened, and the productivity is improved.
Description
Technical Field
The utility model relates to the technical field of mold ejection mechanisms, in particular to a double-station ejection mold ejection mechanism.
Background
In the process of machine part production and processing, the workpiece is required to be subjected to compression molding and injection molding, the workpiece mold is placed at a corresponding station, and the workpiece is subjected to injection molding, and after injection molding is finished, the workpiece is required to be subjected to demolding and is convenient to take out, so that an ejection mechanism is required to be equipped in the machine to perform convenient demolding treatment on the workpiece.
However, the existing injection molding of the processed workpiece is sometimes complicated, and double-station double-shot injection molding is often carried out on one workpiece, namely, an injection molding device is internally provided with two sets of different molds to carry out split injection molding treatment on the workpiece, therefore, the ejection mechanism to be equipped is also complex, and the process of production and processing is slow and the efficiency is low because the ejection mechanism needs to be equipped is often required to be subjected to injection molding to mold one workpiece and then to another injection molding process and then to mold release treatment.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to provide a double-station ejection die ejection mechanism for solving the problems that in the prior art, the existing injection molding of a machined workpiece is sometimes complicated, double-station double-shot injection molding is often carried out on one workpiece, namely, an injection molding device is internally provided with two sets of different dies, and the workpiece is subjected to separate injection molding treatment, so that the ejection mechanism required to be provided is also complicated, and the problems that one workpiece is subjected to injection molding, then demolding is carried out, then another injection molding is carried out, and then the demolding treatment is carried out, so that the production and machining process is slow and the efficiency is low are solved.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ejecting mould ejection mechanism of duplex position, includes the base, the upper end both sides fixed mounting of base has the supporting seat, two the upper end fixed mounting of supporting seat has the bottom plate, the upper end of bottom plate has the well plywood through pillar fixed mounting, the upper end fixed mounting of well plywood has the roof, both sides are provided with front mould core and back mould core respectively around the roof upper end, the upper end front side fixed mounting of base has the retainer plate, the inboard of retainer plate is provided with the fixed sleeve, movable mounting has central pivot in the fixed sleeve, be provided with the elevating platform between bottom plate and the middle plywood, the front end fixed mounting of well plywood and roof has parallel cylinder.
Preferably, a partition plate is fixedly connected between the front mold core and the rear mold core, and the upper end of the central rotating shaft penetrates through the middle layer plate and the top plate and is fixedly installed at the bottom of the partition plate.
Through above-mentioned technical scheme, the division board is used for carrying out fixed connection with front mould core and back model core, when the center pivot rises, together the upper end of ejecting the roof with front mould core and back model core through the division board, makes things convenient for both to change working position.
Preferably, the base is provided with a connecting shaft in a penetrating manner, and the upper end of the connecting shaft is fixedly arranged at the bottom of the fixed sleeve.
Through the technical scheme, the connecting shaft is used for being externally connected with the ejection cylinder, and the ejection cylinder drives the fixed sleeve to rise through the connecting shaft under pushing, so that the whole central rotating shaft is driven to rise.
Preferably, a fixing seat is fixedly arranged at the upper end of the middle layer plate, a gear is rotatably arranged at the upper end of the fixing seat, a rack is fixedly arranged at the output end of the parallel air cylinder, and the rack is meshed with the gear.
Through the technical scheme, the front and back pushing of the rack drives the gear on the fixing seat to rotate, so that the central rotating shaft is driven to rotate.
Preferably, four limiting grooves are axially symmetrically formed in the lower end of the outer side of the central rotating shaft, four limiting blocks are symmetrically and fixedly arranged on the inner side shaft of the gear, and the four limiting blocks are respectively arranged in each corresponding limiting groove.
Through above-mentioned technical scheme, through the stopper card on the gear in the epaxial spacing inslot of central pivot to the gear can drive central pivot and rotate, thereby can the rotation degree make front mould core and back mould core switch working position, and the design of spacing inslot also can not influence the normal lift of central pivot simultaneously.
Preferably, two lifting cylinders are fixedly installed on the left side and the right side of the front end of the top plate respectively, and the output end of each lifting cylinder is fixedly installed on the lifting table.
Through the technical scheme, after one cycle of injection molding work is completed, each lifting cylinder is started to drive the lifting platform to lift, and the group ejector pins on the lifting platform lift together.
Preferably, a plurality of groups of ejector pins are fixedly arranged at the upper end of the lifting table, a plurality of corresponding groups of perforations are formed in the front mold core, and the upper end of each ejector pin penetrates through each corresponding perforation.
Through the technical scheme, when the lifting platform ascends, the plurality of groups of ejector pins are driven to ascend, and the corresponding groups of workpieces on the front mold core are ejected to perform demolding.
Compared with the prior art, the utility model provides a double-station ejection die ejection mechanism, which has the following beneficial effects:
the utility model sets two sets of different sleeve dies of the front die core and the rear die core through setting the base, the supporting seat, the bottom plate, the middle layer plate, the top plate and the like, can realize double-color injection molding processing, and conveniently ejects the front die core and the rear die core out of the top plate through the ejection mechanism consisting of the connecting shaft, the fixed ring, the fixed sleeve, the central rotating shaft, the limiting groove, the fixed seat and the external ejection cylinder, so that the positions of the front die core and the rear die core are exchanged by the rotating mechanism consisting of the gear, the limiting block, the parallel cylinder, the rack and the like, and finally, after injection molding is finished, the demoulding mechanism consisting of the set ejector pins, the lifting table, the lifting cylinder and the like completes demoulding, thereby realizing the two sets of different sleeve die parting injection molding processing and demoulding of the front die core and the rear die core, effectively improving the working efficiency, reducing the working cycle and improving the productivity.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of a partial perspective view of the present utility model;
FIG. 3 is a schematic diagram of a partial three-dimensional structure of the present utility model;
FIG. 4 is a schematic view of the structure of the ejection shaft of the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;
fig. 6 is an enlarged view of the structure of fig. 4B according to the present utility model.
In the figure: 1. a base; 2. a support base; 3. a bottom plate; 4. a middle layer plate; 5. a top plate; 6. a front mold core; 7. a rear mold core; 8. a partition plate; 9. a connecting shaft; 10. a fixing ring; 11. a fixed sleeve; 12. a central spindle; 13. a limit groove; 14. a fixing seat; 15. a gear; 16. a limiting block; 17. a parallel cylinder; 18. a rack; 19. perforating; 20. a thimble; 21. a lifting table; 22. lifting cylinder.
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.
Embodiment one:
as shown in fig. 1, fig. 2, fig. 4 and fig. 6, the double-station ejection die ejection mechanism provided by the utility model comprises a base 1, wherein supporting seats 2 are fixedly arranged on two sides of the upper end of the base 1, a bottom plate 3 is fixedly arranged at the upper ends of the two supporting seats 2, a middle layer plate 4 is fixedly arranged at the upper end of the bottom plate 3 through a support column, a top plate 5 is fixedly arranged at the upper end of the middle layer plate 4, a front die core 6 and a rear die core 7 are respectively arranged on the front side and the rear side of the upper end of the top plate 5, a fixing ring 10 is fixedly arranged at the front side of the upper end of the base 1, a fixing sleeve 11 is arranged at the inner side of the fixing ring 10, a central rotating shaft 12 is movably arranged in the fixing sleeve 11, a lifting table 21 is arranged between the bottom plate 3 and the middle layer plate 4, and the front ends of the middle layer plate 4 and the top plate 5 are fixedly provided with parallel cylinders 17.
Specifically, a partition plate 8 is fixedly connected between the front mold core 6 and the rear mold core 7, and the upper end of the central rotating shaft 12 passes through the middle layer plate 4 and the top plate 5 and is fixedly installed at the bottom of the partition plate 8. The advantage is, division board 8 is used for carrying out fixed connection with preceding model core 6 and back model core 7, when center pivot 12 risees, together the upper end of ejecting roof 5 with preceding model core 6 and back model core 7 through division board 8, makes things convenient for both to change working position.
Specifically, the base 1 is provided with a connecting shaft 9 in a penetrating manner, and the upper end of the connecting shaft 9 is fixedly arranged at the bottom of the fixing sleeve 11. The connecting shaft 9 is used for externally connecting an ejection cylinder, and the ejection cylinder drives the fixed sleeve 11 to ascend through the connecting shaft 9 under pushing, so that the whole central rotating shaft 12 is driven to ascend.
Specifically, the upper end of the middle layer 4 is fixedly provided with a fixed seat 14, the upper end of the fixed seat 14 is rotatably provided with a gear 15, the output end of the parallel cylinder 17 is fixedly provided with a rack 18, and the rack 18 is meshed with the gear 15. The advantage is that the forward and backward pushing of the rack 18 will drive the gear 15 on the fixed seat 14 to rotate, thereby driving the central rotating shaft 12 to rotate.
Specifically, four limiting grooves 13 are axially symmetrically formed in the lower end of the outer side of the central rotating shaft 12, four limiting blocks 16 are symmetrically and fixedly arranged on the inner side shaft of the gear 15, and the four limiting blocks 16 are respectively arranged in the corresponding limiting grooves 13. The advantage is, through the stopper 16 card on the gear 15 in the spacing groove 13 on the center pivot 12 to the gear 15 can drive center pivot 12 rotation, thereby can rotate 180 degrees and make preceding model core 6 and back model core 7 switch working position, and the design of spacing groove 13 also can not influence the normal lift of center pivot 12 simultaneously.
Embodiment two:
as shown in fig. 3 and 5, as an improvement over the previous embodiment. Specifically, two lifting cylinders 22 are fixedly installed on the left and right sides of the front end of the top plate 5, and the output end of each lifting cylinder 22 is fixedly installed on the lifting table 21. The advantage is that after finishing the injection molding work of a cycle, start every lift cylinder 22, drive the lifting platform 21 to rise, the group thimble 20 on the lifting platform 21 will rise together.
Specifically, a plurality of groups of ejector pins 20 are fixedly arranged at the upper end of the lifting table 21, a plurality of corresponding groups of perforations 19 are formed in the front model core 6, and the upper end of each ejector pin 20 penetrates through each corresponding perforation 19. The lifting platform 21 drives the plurality of groups of ejector pins 20 to lift when lifting, and the corresponding groups of workpieces on the front model core 6 are ejected to perform demoulding.
When the injection molding machine is used, firstly, a processed workpiece is placed at corresponding positions on the front mold core 6 and the rear mold core 7, then an external injection molding mechanism is utilized for injection molding respectively, after the injection molding of the first step is completed, an external ejection cylinder is started to push the connecting shaft 9 to move upwards, thereby the fixed sleeve 11 moves upwards together with the central rotating shaft 12, the central rotating shaft 12 ejects the partition plate 8 upwards, thereby the front mold core 6 and the rear mold core 7 are ejected out of a safe stroke outside the top plate 5, the parallel cylinder 17 is started again, the rack 18 is pushed to move backwards, the rack 18 drives the gear 15 to rotate 180 degrees, then the central rotating shaft 12 clamped by the limiting block 16 is driven to rotate 180 degrees, the front mold core 6 and the rear mold core 7 are exchanged for respective positions, then four lifting cylinders 22 are started simultaneously, the positions of the lifting table 21 are lowered, the positions of the ejector pins 20 are lowered, the front mold core 6 and the rear mold core 7 are lowered through the ejection cylinders, the four lifting cylinders 22 are started to fall back onto the top plate 5, the corresponding front mold core 6 and the rear mold core 7 are ejected into the perforation 19 again, the second lifting cylinder is started, and after the second step, the injection molding of the second ejector pins 20 is completed, and the second injection molding of the workpiece is finished, and the injection molding of the second batch of the workpiece is finished, and the injection molding of the second round is finished after the second lifting of the products is finished.
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 die ejection mechanism that duplex position was ejecting, includes base (1), its characterized in that: the novel lifting device is characterized in that supporting seats (2) are fixedly arranged on two sides of the upper end of the base (1), a bottom plate (3) is fixedly arranged at the upper end of the supporting seats (2), a middle layer plate (4) is fixedly arranged at the upper end of the bottom plate (3) through a supporting column, a top plate (5) is fixedly arranged at the upper end of the middle layer plate (4), a front mold core (6) and a rear mold core (7) are respectively arranged on the front side and the rear side of the upper end of the top plate (5), a fixing ring (10) is fixedly arranged on the front side of the upper end of the base (1), a fixing sleeve (11) is arranged on the inner side of the fixing ring (10), a central rotating shaft (12) is movably arranged in the fixing sleeve (11), a lifting table (21) is arranged between the bottom plate (3) and the middle layer plate (4), and a parallel cylinder (17) is fixedly arranged at the front ends of the middle layer plate (4) and the top plate (5).
2. The dual-station ejection mold ejection mechanism of claim 1, wherein: the front mold core (6) and the rear mold core (7) are fixedly connected with a separation plate (8), and the upper end of the center rotating shaft (12) penetrates through the middle layer plate (4) and the top plate (5) and is fixedly arranged at the bottom of the separation plate (8).
3. The dual-station ejection mold ejection mechanism of claim 1, wherein: the base (1) is provided with a connecting shaft (9) in a penetrating mode, and the upper end of the connecting shaft (9) is fixedly arranged at the bottom of the fixing sleeve (11).
4. The dual-station ejection mold ejection mechanism of claim 1, wherein: the upper end of the middle layer plate (4) is fixedly provided with a fixing seat (14), the upper end of the fixing seat (14) is rotatably provided with a gear (15), the output end of the parallel air cylinder (17) is fixedly provided with a rack (18), and the rack (18) is in meshed connection with the gear (15).
5. The dual-station ejection mold ejection mechanism of claim 4, wherein: four limiting grooves (13) are formed in the lower end of the outer side of the central rotating shaft (12) in an axisymmetric mode, four limiting blocks (16) are symmetrically and fixedly arranged on the inner side shaft of the gear (15), and the four limiting blocks (16) are respectively arranged in each corresponding limiting groove (13).
6. The dual-station ejection mold ejection mechanism of claim 1, wherein: two lifting cylinders (22) are fixedly installed on the left side and the right side of the front end of the top plate (5), and the output end of each lifting cylinder (22) is fixedly installed on the lifting table (21).
7. The dual-station ejection mold ejection mechanism of claim 1, wherein: the upper end of the lifting table (21) is fixedly provided with a plurality of groups of ejector pins (20), the front mold core (6) is provided with a plurality of corresponding groups of perforations (19), and the upper end of each ejector pin (20) penetrates through each corresponding perforation (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322332048.XU CN220681466U (en) | 2023-08-29 | 2023-08-29 | Double-station ejection die ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322332048.XU CN220681466U (en) | 2023-08-29 | 2023-08-29 | Double-station ejection die ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220681466U true CN220681466U (en) | 2024-03-29 |
Family
ID=90411090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322332048.XU Active CN220681466U (en) | 2023-08-29 | 2023-08-29 | Double-station ejection die ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220681466U (en) |
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2023
- 2023-08-29 CN CN202322332048.XU patent/CN220681466U/en active Active
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