CN222060941U - Secondary mold opening - Google Patents
Secondary mold opening Download PDFInfo
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- CN222060941U CN222060941U CN202323223899.7U CN202323223899U CN222060941U CN 222060941 U CN222060941 U CN 222060941U CN 202323223899 U CN202323223899 U CN 202323223899U CN 222060941 U CN222060941 U CN 222060941U
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- opening
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- 238000006073 displacement reaction Methods 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 235000000396 iron Nutrition 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a secondary die-sinking die which comprises a die frame and a die core, wherein the die core is arranged in the die frame, and the die frame is provided with a core-pulling mechanism and an ejection mechanism; the insert core of the core pulling mechanism is inserted into the inclined top of the ejection mechanism and used for acting in sequence; the die carrier is provided with a limiting mechanism, the limiting mechanism comprises an upper limiting rod, a lower limiting rod and a fixed seat, the upper limiting rod is fixedly connected with a top plate of the die carrier, the fixed seat is fixedly connected with an upper die plate of the die carrier, and the top plate is overlapped with the upper die plate; the upper limit rod and the lower limit rod which are fixedly arranged are inserted into the fixing seat and are limited by the elastic frame in the fixing seat. The utility model utilizes the limiting mechanism to realize the sequential limitation of the die opening action of the die, can also be matched with the ejection mechanism and the core pulling mechanism to perform the die opening and closing actions according to the preset sequence, thereby solving the technical problems in the prior art, avoiding die collision, prolonging the service life of the die and improving the manufacturing efficiency.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a secondary mold opening mold.
Background
The product a shown in fig. 1 is a buckle cover, a first hole A1 and a first groove A2 are arranged on the side surface of the buckle cover, the first hole A1 is a through hole and is used for communicating the side wall of the buckle cover, the first groove A2 is a concave groove from the side wall to the inner cavity of the buckle cover, a through hole is further arranged at the bottom of the groove, an inner rib A3 is further arranged at the position corresponding to the first hole A1 and the second groove A2, and the inner rib A3 is a reinforcing rib of the inner cavity of the product.
In order to manufacture the product, the manufactured die is internally matched with the core-pulling mechanism and the ejection mechanism, but the existing core-pulling mechanism and the ejection mechanism often strike when the product is clamped, so that the use of the die and the production and processing of the product are directly affected.
Therefore, how to improve the existing production mold for the product a, and solve the technical problem of mold closing impact in the prior art is one of the technical problems that a person skilled in the art needs to solve.
Disclosure of utility model
In order to solve the technical problems in the prior art, the utility model aims to provide a secondary die opening die.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The secondary die opening die comprises a die frame and a die core, wherein the die core is arranged in the die frame, and the die frame is provided with a core pulling mechanism and an ejection mechanism;
The insert core of the core pulling mechanism is inserted into the inclined top of the ejection mechanism and used for acting in sequence;
The die carrier is provided with restriction mechanism, restriction mechanism includes gag lever post, lower gag lever post and fixing base, wherein:
the upper limiting rod is fixedly connected with a top plate of the die carrier, the fixed seat is fixedly connected with an upper die plate of the die carrier, and the top plate is overlapped with the upper die plate;
the upper limit rod and the lower limit rod which are fixedly arranged are inserted into the fixing seat and are limited by the elastic frame in the fixing seat.
Further preferred is: the core pulling mechanism comprises a driving block, a sliding rail and the core insert, wherein:
The sliding rail is fixedly connected with the lower die plate of the die carrier;
The sliding block is in sliding connection with the sliding rail;
The insert core is fixedly connected with the sliding block;
The driving block is fixedly connected with the top plate, is inserted into the sliding block and drives the sliding block to slide and displace in the direction away from the mold core.
Further preferred is: the ejection mechanism is arranged in a lower die set of the die set and comprises an inclined ejection and an ejection plate set, wherein:
The inclined roof penetrates through a lower base plate, a lower template and a mold core of the mold frame to be arranged;
The inclined ejector is connected with the ejector plate group and driven by the ejector plate group to eject and displace towards the die opening direction.
Further preferred is: the die carrier includes module and lower module, wherein:
The upper template comprises a top plate and an upper template;
The top plate and the upper template are independent plate bodies which can be driven to perform die opening displacement respectively.
Further preferred is: the upper limiting rod is provided with a bulge, and the bulge can drive the elastic frame to elastically displace.
Further preferred is: the lower limiting rod is provided with a limiting groove, and the elastic frame can be driven to be inserted into the limiting groove.
Further preferred is: the spring frame is sunk into the fixed seat and is connected with the spring;
One end of the spring frame downward limiting rod is provided with a linkage inclined plane.
Further preferred is: the upper limiting rod and the lower limiting rod are parallel to each other, and the limiting groove is arranged close to the upper limiting rod.
Further preferred is: the two spring frames are distributed at intervals along the die opening direction.
After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:
The utility model utilizes the limiting mechanism to realize the sequential limitation of the die opening action of the die, can also be matched with the ejection mechanism and the core pulling mechanism to perform the die opening and closing actions according to the preset sequence, thereby solving the technical problems in the prior art, avoiding die collision, prolonging the service life of the die and improving the manufacturing efficiency.
Drawings
FIG. 1 is a schematic diagram of a product structure;
Fig. 2 is a schematic view of an internal structure of a secondary mold opening die (mold closing state) according to an embodiment of the present utility model;
FIG. 3 is a front view of a secondary opening mold of the type shown in FIG. 2;
FIG. 4 is a schematic view of the internal structure of a secondary mold opening mold (one-stage mold opening) according to an embodiment of the present utility model;
FIG. 5 is a front view of a secondary opening mold of the type shown in FIG. 4;
FIG. 6 is a schematic view of the internal structure of a two-stage die according to an embodiment of the present utility model (two-stage die opening);
Fig. 7 is a front view of a secondary opening mold shown in fig. 6.
The reference numerals in the above description are as follows:
A. A product; a1, a first hole; a2, a second groove; a3, inner ribs;
110. A top plate; 120. an upper template;
210. a bottom plate; 220. square iron; 230. a lower template; 240. a lower backing plate; 251. an ejector plate group 521; 252. a pitched roof;
310. An upper mold core; 311. an upper mold insert; 320. a lower mold core;
410. a driving block; 420. a slide block; 430. a core insert;
510. An upper limit rod; 520. a lower limit rod; 530. a fixing seat; 531. a first spring frame; 532. and the second elastic frame.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.
Examples
As shown in fig. 2 to 3, the utility model discloses a secondary mold opening die, wherein a limiting mechanism for limiting the mold opening sequence is arranged in the secondary mold opening die, so that the secondary mold opening die can be matched with an ejection mechanism and a core pulling mechanism to perform mold opening and mold closing actions according to a preset sequence, the technical problems in the prior art are solved, the die collision is avoided, the service life of the die is prolonged, and the manufacturing efficiency is improved.
As shown in fig. 2 to 3, the secondary mold opening mold comprises a mold frame and a mold core, wherein the mold core is arranged in the mold frame, and a limiting mechanism is further arranged on the outer side of the mold frame.
As shown in fig. 2 to 3, the mold frame includes an upper mold set and a lower mold set capable of performing a mold opening and a mold closing operation by relative displacement, the upper mold set includes a top plate 110 and an upper mold plate 120, the top plate 110 is overlapped with the upper mold plate 120 but not connected, and it should be noted that: the top plate 110 and the upper die plate 120 are not linked, that is, the top plate 110 and the upper die plate 120 can perform die opening or die closing operation relatively independently. The lower module comprises a bottom plate 210, square irons 220, a lower template 230 and a lower base plate 240, wherein the two square irons 220 are symmetrically distributed and are fixedly connected with the bottom plate 210, an ejection space is formed between the two square irons 220, the lower base plate 240 is fixedly connected with the two square irons 220, and the lower template 230 is fixedly connected with the lower base plate 240.
As shown in fig. 2 to 3, the mold core includes an upper mold core 310 and a lower mold core 320, the upper mold core 310 is embedded into a groove formed in the upper mold plate 120, the upper mold core 310 is provided with an upper mold insert 311, the upper mold insert 311 is connected with the upper mold core 310, and the upper mold core 310 and the upper mold insert 311 are connected with the upper mold plate 120, in other words: the upper mold core 310 and the upper mold insert 311 perform mold opening displacement and mold closing displacement synchronously with the upper mold plate 120. The lower mold core 320 is fixedly connected with the lower pad 240 by passing through the lower mold plate 230, the lower mold core 320 protrudes out of the lower mold plate 230, the protruding portion of the lower mold core 320 is matched with the upper mold core 310, and a molding cavity for molding the product A is formed between the upper mold core 310 and the lower mold core 320.
The top plate 110 in the upper module is provided with a glue injection nozzle which is communicated with the forming cavity through an injection gate.
As shown in fig. 2 to 3, the lower module is further equipped with a core pulling mechanism, the core pulling mechanism includes a driving block 410, a sliding block 420 and a core insert 430, the core insert 430 is connected with the sliding block 420 and acts along with the sliding action, the sliding block 420 is slidably connected with a sliding rail, the sliding rail is fixedly connected with the lower template 230, and the sliding block 420 performs core pulling displacement along the sliding rail direction towards the direction far away from the mold core; conversely, the sliding displacement of the slide 420 toward the mold core is the mold closing displacement. The driving block 410 is fixedly connected with the top plate 110 and is displaced along with the die sinking displacement of the top plate 110, the driving block 410 penetrates through the upper die plate 120 and stretches into the driving hole formed by the sliding block 420, and the driving block 410 which is synchronously subjected to die sinking displacement with the top plate 110 is propped against the sliding block 420 to perform core pulling sliding displacement along the sliding rail, so that core pulling of a product A is performed, and core pulling action is completed. It should be noted that: the upper die plate 120 is not connected to any component of the core pulling mechanism, and is in mating contact in a die closing state, so that the core pulling mechanism is not driven to perform core pulling or die closing by the action of the upper die plate 120.
As shown in fig. 2 to 3, the mold frame is further provided with an ejection mechanism for ejecting and demolding the product a, the ejection mechanism comprises an ejection plate group 521 and an inclined top 252, and the ejection plate group 521 is arranged in an ejection space between two square irons 220 and is driven by an ejection cylinder to perform ejection displacement towards the mold opening direction; the oblique top 252 is connected with the ejector plate group 521, and the ejector plate group 521 is driven to perform ejection displacement, so that the injection molded product a can be effectively ejected. It should be noted that: the ejection operation of the ejection mechanism is completed before the core-pulling operation of the core-pulling mechanism is completed. Detailed: the oblique top 252 passes through the lower bolster 240, the lower die plate 230 and the lower die core 320 to prop against one side of the forming cavity, when the core insert 430 in the core pulling mechanism is not driven to pull core, the core insert 430 is inserted into the oblique top 252, at this time, the oblique top 252 is connected with the pin, and if the precondition of the ejection operation of the oblique top 252 is required, the core insert 430 needs to be driven to perform core pulling displacement.
As shown in fig. 2 to 3, the core-pulling mechanism is required to complete core-pulling displacement before the operation of the ejection mechanism due to the design requirement of the mold; on the contrary, when the die is required to be closed, the ejection mechanism needs to return to be closed before the core pulling mechanism, so that the die can be effectively prevented from being impacted, and in order to realize the ordered action, the die frame is provided with a limiting mechanism.
As shown in fig. 2 to 3, the limiting mechanism is fixed on one side of the mold frame and is used for limiting the opening and closing sequence of the upper mold set, so that the occurrence of the condition that the internal mechanism of the mold is impacted in the closing process of the mold is avoided, and the technical problem in the prior art is solved.
As shown in fig. 2 to 3, the limiting mechanism includes an upper limiting rod 510, a lower limiting rod 520 and a fixing base 530.
As shown in fig. 2 to 3, one end of the upper limit rod 510 is fixedly connected with the top plate 110, and along with the synchronous displacement of the top plate 110, the other end of the upper limit rod 510 is an upper driving end, one side of the upper driving end is provided with a protrusion, and an upper driving inclined plane is arranged on the outer side of the protrusion. Specific: the upper limit rod 510 is a straight rod, one end of the upper limit rod is a fixed end, the fixed end is fixedly connected with the top plate 110 through a screw, the other end faces to the deep direction of the lower module, the other end is the upper driving end, the side surface of the upper driving end is provided with the protrusion, and the protrusion and the upper driving inclined surface are provided with the protrusion.
As shown in fig. 2 to 3, one end of the lower limit rod 520 is fixedly connected with the lower backing plate 240, the other end is a lower driving end, a limit groove is formed in a section of the lower limit rod 520, which is close to the lower driving end, the lower driving end is provided with a protrusion, and the protrusion is provided with a lower driving inclined surface. Specific: the lower limit rod 520 is a straight rod, one end of the lower limit rod 520 is a fixed end, the fixed end is fixedly connected with the lower backing plate 240 through a screw, the other end of the lower limit rod 520 is a lower driving end, and the lower driving end is arranged towards the direction of the top plate 110 and is staggered with the upper limit plate; the limiting groove is arranged towards one side of the upper limiting plate.
As shown in fig. 2 to 3, the fixing base 530 is fixedly connected to the upper mold plate 120 and can be displaced along with the movement of the upper mold plate 120. A gap exists between the fixed seat 530 and the fixed plate, the gap is an insertion opening for allowing the upper and lower limit rods 520 to be inserted into the fixed seat 530, two spring frames are arranged in the fixed seat 530, and the two spring frames are distributed at intervals along the long side direction of the upper limit rod 510 and are used for being matched with the upper and lower limit plates. Specific: the two elastic frames are driven by springs and elastically displace along the core pulling direction, each elastic frame is provided with a yielding hole for allowing the upper limiting plate to pass through, and the end of each limiting frame facing the lower limiting plate is provided with a linkage inclined plane. Detailed: for convenience of subsequent explanation and distinction, the two spring frames are a first spring frame 531 and a second spring frame 532, respectively, and the first spring frame 531 is disposed closer to the fixed end of the upper limiting plate than the second spring frame 532.
As shown in fig. 2 and 3, the secondary mold opening die is in a closed state:
The upper die set and the lower die set are pressed relatively, the ejection mechanism is in an un-started state, and the core pulling machine is also in a state of not pulling core; correspondingly, the upper limit lever 510 is inserted into the fixed seat 530, the lower limit lever 520 is inserted into the fixed seat 530, the linkage inclined plane of the first spring frame 531 abuts against the lower driving inclined plane of the lower limit lever 520, and the second spring frame 532 is inserted into the limit groove of the lower limit lever 520.
As shown in fig. 4 and 5, the secondary mold opening is in a one-stage mold opening state:
The top plate 110 in the upper die set is displaced in a direction away from the lower die set, and the upper limit rod 510 is synchronously driven to displace; the upper driving end of the driven upper limit rod 510 slides into the fixed seat 530, the protrusion of the upper driving end presses the second elastic frame 532, so as to drive the second elastic frame 532 to be separated from the limit groove, and contact the limitation between the lower limit rod 520 and the fixed seat 530. It should be noted that: when the fixed plate performs die opening movement, the ejector rod drives a driving block 410 in the core pulling mechanism to move, and the driving block 410 drives a sliding block 420 and a core insert 430 to perform sliding displacement in a direction away from the die core, so that core pulling action is completed, and the core insert 430 is used for limiting the inclined top 252.
As shown in fig. 6 and 7, the secondary mold-opening grinding tool is in a two-stage mold-opening state:
The upper die plate 120 in the upper die set of the die set moves towards the direction far away from the lower die set, and the fixed seat 530 is synchronously driven to move; the driven fixed seat 530 is separated from the lower limit rod 520; simultaneously, the upper mold plate 120 drives the upper mold core 310 and the mold core insert to synchronously displace, so that the product A mold opening is completed.
After the two-stage die sinking is completed, the ejector plate group 521 in the ejector mechanism can be driven by the ejector cylinder to perform ejection displacement towards the die sinking direction, so that the product A is ejected from the die, and the product A is demolded. Specifically, the method comprises the following steps; the bottom plate 210 of the die carrier is provided with a through hole, and the ejection cylinder penetrates through the through hole of the bottom plate 210 to drive the ejection plate group 521 and the inclined top 252 so as to eject and demold the product A.
The die assembly process of the secondary die opening die is as follows:
step one: resetting the ejection mechanism: the fixed oil cylinder pulls the ejector plate group 521 and the inclined roof 252 back;
Step two: the upper template 120 is reset: the upper die plate 120 moves towards the lower die plate 230, the displaced upper die plate 120 drives the fixed seat 530 to synchronously displace, the displaced fixed seat 530 and the lower limit rod 520 are inserted and positioned, and the second elastic frame 532 in the fixed seat 530 is inserted into the limit groove of the lower limit rod 520;
Step three: top plate 110 and core pulling mechanism reset: the top plate 110 drives the driving block 410 in the core pulling mechanism to displace towards the lower die plate 230, the driving block 410 drives the sliding block 420 and the core insert 430 to slide towards the die core, the top plate 110 drives the upper limit rod 510 to synchronously insert into the fixed seat 530, and the upper limit end of the upper limit rod 510 passes through the first elastic frame 531 and the second elastic frame 532 and extends out of the second elastic frame 532.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (9)
1. The secondary die sinking mould, it includes die carrier and mold core, the mold carrier is packed into to mold core, its characterized in that: the die carrier is provided with a core pulling mechanism and an ejection mechanism;
The insert core of the core pulling mechanism is inserted into the inclined top of the ejection mechanism and used for acting in sequence;
The die carrier is provided with restriction mechanism, restriction mechanism includes gag lever post, lower gag lever post and fixing base, wherein:
the upper limiting rod is fixedly connected with a top plate of the die carrier, the fixed seat is fixedly connected with an upper die plate of the die carrier, and the top plate is overlapped with the upper die plate;
the upper limit rod and the lower limit rod which are fixedly arranged are inserted into the fixing seat and are limited by the elastic frame in the fixing seat.
2. The secondary die-opening mold according to claim 1, wherein: the core pulling mechanism comprises a driving block, a sliding rail and the core insert, wherein:
The sliding rail is fixedly connected with the lower die plate of the die carrier;
The sliding block is in sliding connection with the sliding rail;
The insert core is fixedly connected with the sliding block;
The driving block is fixedly connected with the top plate, is inserted into the sliding block and drives the sliding block to slide and displace in the direction away from the mold core.
3. The secondary die-opening mold according to claim 1, wherein: the ejection mechanism is arranged in a lower die set of the die set and comprises an inclined ejection and an ejection plate set, wherein:
The inclined roof penetrates through a lower base plate, a lower template and a mold core of the mold frame to be arranged;
The inclined ejector is connected with the ejector plate group and driven by the ejector plate group to eject and displace towards the die opening direction.
4. The secondary die-opening mold according to claim 1, wherein: the die carrier includes module and lower module, wherein:
The upper template comprises a top plate and an upper template;
The top plate and the upper template are independent plate bodies which can be driven to perform die opening displacement respectively.
5. The secondary die-opening mold according to claim 4, wherein: the upper limiting rod is provided with a bulge, and the bulge can drive the elastic frame to elastically displace.
6. The secondary die-opening mold according to claim 5, wherein: the lower limiting rod is provided with a limiting groove, and the elastic frame can be driven to be inserted into the limiting groove.
7. The secondary die-opening mold according to claim 6, wherein: the spring frame is sunk into the fixed seat and is connected with the spring;
One end of the spring frame downward limiting rod is provided with a linkage inclined plane.
8. The secondary die-opening mold according to claim 6, wherein: the upper limiting rod and the lower limiting rod are parallel to each other, and the limiting groove is arranged close to the upper limiting rod.
9. The secondary die-opening mold according to claim 7, wherein: the two spring frames are distributed at intervals along the die opening direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323223899.7U CN222060941U (en) | 2023-11-27 | 2023-11-27 | Secondary mold opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323223899.7U CN222060941U (en) | 2023-11-27 | 2023-11-27 | Secondary mold opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222060941U true CN222060941U (en) | 2024-11-26 |
Family
ID=93559848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323223899.7U Active CN222060941U (en) | 2023-11-27 | 2023-11-27 | Secondary mold opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222060941U (en) |
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2023
- 2023-11-27 CN CN202323223899.7U patent/CN222060941U/en active Active
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