CN218196641U - Injection mold with secondary ejection - Google Patents
Injection mold with secondary ejection Download PDFInfo
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- CN218196641U CN218196641U CN202222285163.1U CN202222285163U CN218196641U CN 218196641 U CN218196641 U CN 218196641U CN 202222285163 U CN202222285163 U CN 202222285163U CN 218196641 U CN218196641 U CN 218196641U
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Abstract
The utility model discloses a secondary ejection injection mold, which comprises a fixed mold plate and a movable mold plate, wherein the movable mold plate is provided with a top plate group and a movable mold seat, the movable mold seat is provided with a control seat, and the control seat is provided with an unlocking groove; the top plate group comprises an upper top plate and a lower top plate, the upper top plate is provided with a pull rod and a plurality of ejector rods penetrating through the movable template, the pull rod is provided with a lock groove, the lower top plate is provided with a lock seat and a top seat penetrating through the upper top plate, the upper end of the top seat is provided with a plurality of inclined ejector rods and straight ejector rods penetrating through the movable template, the pull rod is in sliding connection with the lock seat, the lock seat is provided with a movable transverse moving block, and the transverse moving block can be embedded into the lock groove or the unlocking groove. The utility model relates to a rationally, stable in structure, the motion of roof group is smooth and easy, and the injection molding can be taken out in fixed die plate and movable mould board shaping, and the ejecting injection molding of roof group ability, therefore the workman of being convenient for takes.
Description
Technical Field
The utility model belongs to the technical field of at injection mold and specifically relates to a ejecting injection mold of secondary is related to.
Background
The injection mold is a tool for producing plastic products through injection molding, and is also a tool for endowing the plastic products with complete structures and accurate sizes.
Referring to fig. 1, an injection molded part 100 is shown, and no matching mold for molding the injection molded part 100 is available in the market, which requires an engineer to design the injection mold for the injection molded part 100.
Disclosure of Invention
The utility model aims to solve the technical problem that a quadratic term's injection mold is provided can the shaping go out the injection molding, and the workman of being convenient for takes in the injection molding that can ejecting of roof group.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a double-ejection injection mold comprises a fixed mold plate and a movable mold plate, wherein the movable mold plate is provided with a top plate group and a movable mold seat, the movable mold seat is provided with a control seat, and the control seat is provided with an unlocking groove; the top plate group comprises an upper top plate and a lower top plate, the upper top plate is provided with a pull rod and a plurality of ejector rods penetrating through the movable template, the pull rod is provided with a lock groove, the lower top plate is provided with a lock seat and a top seat penetrating through the upper top plate, the upper end of the top seat is provided with a plurality of inclined ejector rods and straight ejector rods penetrating through the movable template, the pull rod is in sliding connection with the lock seat, the lock seat is provided with a movable transverse moving block, and the transverse moving block can be embedded into the lock groove or the unlocking groove.
The utility model has the advantages of reasonable in design, stable in structure, the motion of roof group is smooth and easy, and fixed die plate and movable mould board can the shaping go out the injection molding, and the ejecting injection molding of roof group ability, therefore the workman of being convenient for takes. The die cavity formed by the fixed die plate and the movable die plate is used for molding an injection molding piece, and when the die is opened, the movable die plate is separated from the fixed die plate downwards; the injection molding machine is provided with an oil cylinder, a piston rod of the oil cylinder props against an upper top plate, so that the upper top plate moves upwards, all parts in a top plate group move upwards, and a pull rod moves upwards along a lock seat, so that an inclined ejector rod and a straight ejector rod on the top seat can eject an injection molding part out of a movable template, an ejector rod can eject an injection molding material head out of the movable template, and in the process, a transverse moving block is always embedded into a lock closing groove; when the transverse moving block moves to the unlocking groove position, the end part of the transverse moving block can be gradually separated from the locking groove due to the gravity action of the lower top plate, so that the transverse moving block transversely moves, and the end part of the transverse moving block is gradually embedded into the unlocking groove, so that the control seat, the transverse moving block, the locking seat and the lower top plate are fixedly connected, the lower top plate, the inclined ejector rod and the straight ejector rod do not move any more, the upper top plate and the ejector rod can continuously move upwards, so that the stub bar and the injection molding piece also continuously move upwards, the injection molding piece gradually leaves the inclined ejector rod and the straight ejector rod, and a worker can easily take away the injection molding piece.
As the utility model discloses further improve: the control seat is provided with a lock channel, the lock seat is provided with a boss positioned in the lock channel, the boss is provided with a transverse groove and a longitudinal groove, the transverse moving block is movably arranged in the transverse groove, and the pull rod is connected with the longitudinal groove in a sliding manner. The lock channel is connected with the boss in a sliding way, so that the top plate group can keep moving up and down linearly; the transverse groove can keep the transverse moving block to move linearly left and right; the longitudinal groove can keep the pull rod to move up and down linearly.
As the utility model discloses further improve: the transverse moving block is in a shape of a unitary circle, the unlocking groove and the locking groove are both in a semicircular shape, and the locking channel is in a rectangular shape. The boss can move linearly in the rectangular lock channel; the two ends of the transverse moving block are semicircular, so that the end part of the transverse moving block can be embedded into the unlocking groove or the locking groove, and the end part of the transverse moving block can be easily separated from the unlocking groove or the locking groove.
As the utility model discloses further improve: the lower end of the inclined ejector rod is provided with a sliding seat, and the sliding seat is connected with the upper end of the corresponding top seat in a sliding manner. The slide can be moved laterally on the top base.
As the utility model discloses further improve: the movable mould plate is provided with a movable mould core, the movable mould core is provided with a forming part and a feed chute, the forming part is provided with a plurality of inclined holes, the inclined ejector rod is in sliding connection with the corresponding inclined hole, the feed chute is provided with a feed hole and a straight hole, the feed hole is communicated with one of the inclined holes, and the ejector rod is in sliding connection with the corresponding straight hole. The shaping portion of movable mould benevolence is used for the structure of the lower extreme and the inner wall of shaping injection molding, and inclined ejector pin can be along inclined hole to do the slope and move, and the ejector pin can be along straight hole to do vertical migration.
As the utility model discloses further improve: the movable mould seat be equipped with detent and locating piece, the locating piece be equipped with pull rod sliding connection's constant head tank, the control seat be equipped with the detent of detent joint. The stop part is used for limiting the position of the control seat, and then the control seat is fixed on the movable die holder by bolts; after the die is closed, the pull rod is inserted into the positioning groove.
As the utility model discloses further improve: the movable mold base is fixedly provided with a core rod, the upper top plate is fixedly provided with a push pipe, and the push pipe is sleeved with the core rod; after the die is closed, the upper end part of the core rod is positioned outside the push pipe. The push pipe and the core rod can form a hollow column structure of the injection molding piece.
As the utility model discloses further improve: the movable mold base is fixedly provided with two base plates, the two base plates are mutually spaced to form a top plate bin, and the top plate group is movably arranged in the top plate bin. The top plate group moves up and down in the top plate bin.
As the utility model discloses further improve: the movable mould seat be equipped with the first hole of dodging, lower roof be equipped with the second hole of dodging. The injection molding machine is provided with an oil cylinder, a piston rod of the oil cylinder penetrates through the first avoidance hole and the second avoidance hole and then abuts against the upper top plate, and the upper top plate is pushed by the piston rod to move after the mold is opened.
Drawings
FIG. 1 is a schematic view of an injection molded part;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an exploded view of the movable platen and the movable core;
FIG. 4 is a sectional view of the cavity block;
FIG. 5 is an exploded view of the movable die holder;
FIG. 6 is an exploded schematic view of a top plate assembly;
FIG. 7 is a schematic view of the lock bracket;
FIG. 8 is a schematic view of the top plate assembly in combination;
FIG. 9 is a schematic view of the top plate assembly, injection molded part, and stub bar;
fig. 10 is a sectional view of a part (initial state of the top plate group);
fig. 11 is a sectional view of a part of the parts (position state after the parts in the top plate group are moved);
fig. 12 is a schematic view of the mold closing of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-12: a double-ejection injection mold comprises a fixed mold plate 1 and a movable mold plate 2, wherein the movable mold plate 2 is provided with a top plate group 200 and a movable mold base 3, the movable mold base 3 is provided with a control base 35, and the control base 35 is provided with an unlocking groove 351; the top plate group 200 comprises an upper top plate 4 and a lower top plate 5, wherein the upper top plate 4 is provided with a pull rod 43 and a plurality of ejector rods 42 penetrating through the movable template 2, the pull rod 43 is provided with a locking groove 431, the lower top plate 5 is provided with a locking seat 54 and a top seat 52 penetrating through the upper top plate 4, the upper end of the top seat 52 is provided with a plurality of inclined ejector rods 51 and straight ejector rods 53 penetrating through the movable template 2, the pull rod 43 is slidably connected with the locking seat 54, the locking seat 54 is provided with a movable transverse moving block 55, and the transverse moving block 55 can be embedded into the locking groove 431 or the unlocking groove 351. As shown in fig. 9, the lifter bar 51 and the straight lifter bar 53 can lift the injection molded article 100 upward, and the lifter bar 42 can lift the stub bar 120 upward (when the stub bar 120 is injection molded, the injection molding machine injects fluid thermoplastic from the sprue bush into the cavity, which is the waste material produced in the process).
The control seat 35 is provided with a lock channel 352, the lock seat 54 is provided with a boss 541 positioned in the lock channel 352, the boss 541 is provided with a transverse groove 543 and a longitudinal groove 542, the traverse block 55 is movably arranged in the transverse groove 543, and the pull rod 43 is connected with the longitudinal groove 542 in a sliding manner. The bosses 541 move linearly along the lock ways 352; the traverse block 55 linearly moves along the traverse groove 543; the pull rod 43 moves linearly along the vertical groove 542.
The traverse block 55 is in the shape of a unitary circle, the unlocking groove 351 and the locking groove 431 are both in the shape of a semicircle, and the locking channel 352 is in the shape of a rectangle. As shown in fig. 10, the top plate set 200 is in an initial state, when the end of the traverse block 55 is inserted into the locking groove 431, when the top plate set 200 moves upwards, the boss 541 moves linearly in the rectangular locking channel 352, as shown in fig. 11, when the traverse block 55 moves to the position of the unlocking groove 351, because of the gravity of the lower top plate 5, the end of the traverse block 55 gradually disengages from the locking groove 431, and the traverse block 55 moves transversely, and at this time, the end of the traverse block 55 gradually engages into the unlocking groove 351, so that the control seat 35, the traverse block 55, the locking seat 54, and the lower top plate 5 are fixedly connected, the lower top plate 5, the oblique top rod 51, and the straight top rod 53 do not move any more, the upper top plate 4, the top rod 42 can move upwards, the stub 120, and the injection molding part 100 also continue to move upwards, the injection molding part 100 gradually leaves the oblique top rod 51, the straight top rod 53, and the worker can easily take the injection part 100 (without interference of the injection part 100).
The lower end of the oblique mandril 51 is provided with a sliding seat 511, and the sliding seat 511 is connected with the upper end of the corresponding footstock 52 in a sliding way. The upper end of the top seat 52 is provided with a T-shaped sliding table, and the sliding seat 511 is provided with a T-shaped sliding groove which can move along the sliding table.
The movable mould plate 2 is provided with a movable mould core 21, the movable mould core 21 is provided with a forming part 22 and a feeding groove 23, the forming part 22 is provided with a plurality of inclined holes 221, the inclined ejector rods 51 are slidably connected with the corresponding inclined holes 221, the feeding groove 23 is provided with a feeding hole 231 and a straight hole 232, the feeding hole 231 is communicated with one of the inclined holes 221, and the ejector rods 42 are slidably connected with the corresponding straight hole 232. The fixed die plate 1 is provided with a fixed die core, the fixed die core is provided with a die cavity, after die assembly is carried out, the die cavity is folded with the movable die core 21, and the injection molding piece 100 is molded in the die cavity. The fluid thermoplastic flows from the sprue bushing through the feed holes 231, through the angled holes 221, and into the mold cavity to mold the injection molded part 100.
The movable die holder 3 is provided with a stopping part 31 and a positioning block 36, the positioning block 36 is provided with a positioning groove 361 connected with the pull rod 43 in a sliding mode, and the control base 35 is provided with a stopping groove 353 connected with the stopping part 31 in a clamping mode. After the stopper groove 353 catches the stopper 31, the position of the control seat 35 is defined; the pull rod 43 can move up and down along the positioning groove 361, so that the pull rod 43 keeps moving linearly.
The movable die holder 3 is fixedly provided with a core rod 34, the upper top plate 4 is fixedly provided with a push pipe 41, and the push pipe 41 is sleeved with the core rod 34; after the mold is closed, the upper end portion of the core rod 34 is positioned outside the push pipe 41. As shown in fig. 1: the injection molding member 100 is provided with a hollow column 110, the hollow column 110 is provided with a core hole 111, the core rod 34 forms the core hole 111, the push pipe 41 is attached to the end face of the hollow column 110, after the mold is opened, the push pipe 41 moves along with the upper top plate 4, the core rod 34 is fixed, and then the core rod 34 is gradually separated from the core hole 111.
The movable die holder 3 is fixedly provided with base plates 33, the two base plates 33 are spaced from each other to form a top plate chamber 331, and the top plate group 200 is movably arranged in the top plate chamber 331. The two base plates 33 form a ceiling compartment 331, and the ceiling group 20 moves in the ceiling compartment 331.
The movable die holder 3 is provided with a first avoidance hole 32, and the lower top plate 5 is provided with a second avoidance hole 50. The utility model discloses a theory of operation is: an oil cylinder is arranged on the injection molding machine, and a piston rod of the oil cylinder props against the upper top plate 4 after penetrating through the first avoidance hole 32 and the second avoidance hole 50; as shown in fig. 10, the top plate set 200 is in an initial state, in which the end of the traverse block 55 is inserted into the locking groove 431, after the mold is opened, the piston rod pushes the upper top plate 4 to move upward, and when the top plate set 200 moves upward, the boss 541 moves linearly in the rectangular locking channel 352; as shown in fig. 11, when the traverse block 55 moves to the position of the unlocking slot 351, because of the gravity of the lower top plate 5 and the lock seat 54 is fixedly connected with the lower top plate 5, the end of the traverse block 55 gradually disengages from the locking slot 431, so that the traverse block 55 moves laterally, and at this time, the end of the traverse block 55 gradually inserts into the unlocking slot 351, so that the control seat 35, the traverse block 55, the lock seat 54 and the lower top plate 5 are fixedly connected, the lower top plate 5, the oblique ejector rod 51 and the straight ejector rod 53 do not move any more, the upper top plate 4, the ejector rod 42 and the push pipe 41 can continue to move upwards, so that the stub 120 and the injection molding 100 also continue to move upwards, the injection molding 100 gradually leaves the oblique ejector rod 51 and the straight ejector rod 53, and the worker can easily take the injection molding 100 away.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A double-ejection injection mold comprises a fixed mold plate and a movable mold plate, and is characterized in that the movable mold plate is provided with a top plate group and a movable mold seat, the movable mold seat is provided with a control seat, and the control seat is provided with an unlocking groove;
the top plate group comprises an upper top plate and a lower top plate, the upper top plate is provided with a pull rod and a plurality of ejector rods penetrating through the movable template, the pull rod is provided with a lock groove, the lower top plate is provided with a lock seat and a top seat penetrating through the upper top plate, the upper end of the top seat is provided with a plurality of inclined ejector rods and straight ejector rods penetrating through the movable template, the pull rod is in sliding connection with the lock seat, the lock seat is provided with a movable transverse moving block, and the transverse moving block can be embedded into the lock groove or the unlocking groove.
2. The double ejection injection mold of claim 1, wherein the control seat has a lock channel, the lock seat has a boss in the lock channel, the boss has a transverse slot and a longitudinal slot, the traverse block is movably disposed in the transverse slot, and the pull rod is slidably connected to the longitudinal slot.
3. The double ejection injection mold of claim 2, wherein the traverse block is unitary, the unlocking slot and the locking slot are semicircular, and the locking channel is rectangular.
4. The double-ejection injection mold of claim 1, wherein the lower end of the inclined ejector rod is provided with a sliding seat, and the sliding seat is slidably connected with the upper end of the corresponding ejector seat.
5. The injection mold with double ejection according to claim 1, wherein the movable mold plate is provided with a movable mold core, the movable mold core is provided with a molding part and a feeding groove, the molding part is provided with a plurality of inclined holes, the inclined ejector rods are slidably connected with the corresponding inclined holes, the feeding groove is provided with feeding holes and straight holes, the feeding holes are communicated with one of the inclined holes, and the ejector rods are slidably connected with the corresponding straight holes.
6. The injection mold with double ejection according to claim 1, wherein the movable mold base is provided with a stop part and a positioning block, the positioning block is provided with a positioning groove connected with the pull rod in a sliding manner, and the control base is provided with a stop groove clamped with the stop part.
7. The double-ejection injection mold according to claim 1, wherein the movable mold base is fixedly provided with a core rod, the upper ejector plate is fixedly provided with a push pipe, and the push pipe is sleeved with the core rod; after the die is closed, the upper end part of the core rod is positioned outside the push pipe.
8. The double-ejection injection mold of claim 1, wherein the movable mold base is fixedly provided with two base plates, the two base plates are spaced from each other to form a top plate compartment, and the top plate assembly is movably disposed in the top plate compartment.
9. The injection mold with double ejection according to claim 1, wherein the movable mold base is provided with a first avoiding hole, and the lower top plate is provided with a second avoiding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222285163.1U CN218196641U (en) | 2022-08-25 | 2022-08-25 | Injection mold with secondary ejection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222285163.1U CN218196641U (en) | 2022-08-25 | 2022-08-25 | Injection mold with secondary ejection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218196641U true CN218196641U (en) | 2023-01-03 |
Family
ID=84659682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222285163.1U Active CN218196641U (en) | 2022-08-25 | 2022-08-25 | Injection mold with secondary ejection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218196641U (en) |
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2022
- 2022-08-25 CN CN202222285163.1U patent/CN218196641U/en active Active
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