CN210679575U - Front mould elastic block rear mould shrinkage and shrinkage sequential mould opening and closing mechanism - Google Patents
Front mould elastic block rear mould shrinkage and shrinkage sequential mould opening and closing mechanism Download PDFInfo
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- CN210679575U CN210679575U CN201921023189.0U CN201921023189U CN210679575U CN 210679575 U CN210679575 U CN 210679575U CN 201921023189 U CN201921023189 U CN 201921023189U CN 210679575 U CN210679575 U CN 210679575U
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Abstract
The utility model relates to a front mould elastic block rear mould retraction and extension sequence mould opening and closing mechanism, which comprises a plate A, a plate B and a shutter component, wherein the plate B is respectively a first plate B and a second plate B, the shutter component is respectively a first shutter and a second shutter, the first shutter comprises a first inserted link seat and a first sliding block which limit the downward movement of the first plate B, and a first inserted link which drives the second plate B to move up and down and removes the movement limit of the first plate B; the second shutter comprises a second inserting rod seat, a second inserting rod and a second sliding block, wherein the second inserting rod and the second sliding block limit the downward movement of the first B plate relative to the second B plate, and the second inserting rod is linked with the second B plate. The movable template can move in two strokes in the same moving direction, the mold is opened according to a certain sequence, and the product in the mold is taken out; through linkage of the two shutters, the single shutter is simple in structure, easy to assemble and convenient to use; the linkage between the two openers can be realized in the process of opening the die without stopping, and the die opening efficiency is high.
Description
Technical Field
The utility model relates to a mould demoulding structure field, more specifically relates to a mould mechanism that opens and shuts in order is contracted and cared out to front mould bullet piece back mould.
Background
The mold opening operation is performed sequentially by separating the molds in a predetermined order and distance by a predetermined mechanism, which is generally called a shutter. In the die for shrinking the front die elastic block and the rear die, the movable die insert fixed on the second block B plate is required to be demolded, and then the whole die is demolded, otherwise, the product moves backwards along with the movable die insert, and the demolding cannot be realized. Patent document No. CN201720972U discloses a shutter that achieves that the mold release is started again after a certain time of raising the bottom plate. But the B plate which can not realize the die opening of the moving die can move twice, the die insert is firstly moved to demould, and then the whole demould is carried out.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art the B board can part the problem of twice motion in the time of the movable mould die sinking, provides one kind and realizes that the cover half mold insert moves back certain drawing of patterns distance after, and the structure of drawing of patterns is carried out again to whole mould.
In order to solve the technical problem, the utility model discloses a technical scheme is: a front mould elastic block and rear mould retraction and extension sequential mould opening and closing mechanism comprises a plate A, a plate B and a shutter component, wherein the plate B is respectively a first plate B and a second plate B, the shutter component is respectively a first shutter and a second shutter, the first shutter comprises a first inserting rod seat and a first sliding block which limit the downward movement of the first plate B, and a first inserting rod which is linked with the second plate B and releases the movement limit of the first plate B; the second shutter comprises a second inserting rod seat, a second inserting rod and a second sliding block, wherein the second inserting rod and the second sliding block limit the first B plate to move downwards relative to the second B plate, and the second inserting rod is linked with the second B plate.
When the mold is opened, the first B plate and the second B plate are subjected to the action of mold opening elasticity and have a downward moving trend, the first B plate is limited by the first inserting rod seat and the first sliding block to move downwards, only the second B plate drives the first inserting rod and the second inserting rod to move downwards, after the first inserting rod moves downwards for a certain distance, the motion limitation of the first B plate is removed, the first B plate moves downwards, and the first B plate cannot move downwards relative to the second B plate due to the limiting action of the second sliding block and the second inserting rod. The first B plate and the second B plate are moved in a segmented manner and are kept at a fixed distance.
The first inserting rod seat and the second inserting rod seat are connected with the A plate, and the first sliding block and the second sliding block are connected with the first B plate through elastic pieces; the first inserted link seat is provided with a first limiting mechanism for limiting the movement of the first sliding block, and the upper end of the first inserted link is provided with a push block for separating the first sliding block from limiting; and the second inserted bar is provided with a second limiting mechanism for limiting the movement of the second sliding block. The first limiting mechanism is a limiting lug which is abutted with the first sliding block; the second limiting mechanism is a limiting step arranged at the upper end of the second inserted bar.
And after the injection molding of the mold is finished, opening the mold. The first B plate is connected with the first sliding block, and the first sliding block cannot move downwards due to being supported by the limiting convex block, so that only the second B plate moves downwards. And the second B plate moves downwards and drives the first inserted bar and the second inserted bar to move downwards. When the push block of the first inserted bar moves to the position of the first sliding block, the first sliding block is pushed to compress the elastic piece and separate from the limiting convex block, and meanwhile, the limiting step of the second inserted bar supports against the second sliding block. After the first sliding block is separated from the limiting convex block, the first B plate moves downwards, and the second sliding block connected with the first B plate is propped against by the limiting step, so that the distance between the first B plate and the second B plate is kept unchanged, and the movable mold insert on the second B plate is not contacted with a product on the first B plate, so that demolding is realized.
Preferably, the upper end face of the first sliding block is provided with a first inclined plane, the lower end face of the pushing block is provided with a thrust inclined plane, and the lower end face of one side, close to the surface of the A plate, of the first inserted link seat is provided with a first inclined plane. The first sliding block is pushed inwards and compresses the spring by the contact of the thrust inclined plane of the push block and the inclined plane of the first sliding block. When first sliding block rebound resets, with the inclined plane contact of first plunger seat, the first sliding block of inclined plane compression of first plunger seat for first sliding block inwardly moved, make first sliding block can get back to spacing lug's top.
Preferably, the distance between the limiting step and the second sliding block is shorter than the distance between the first sliding block and the pushing block. The ejector pad downwardly movement to the position of first sliding block, spacing step has been in the below of second sliding block, and when first B board downwardly moving, the second B board can also be for first B board downwardly moving, and when reducing the first die sinking, the die sinking distance of second B board further reduces the time of die sinking, but simultaneously in the second die sinking, can guarantee that the distance of A board and first B board is enough to let the product drawing of patterns.
Preferably, first B board is provided with the mounting groove, first sliding block with the second sliding block all places in the mounting groove. First sliding block and second sliding block set up in the mounting groove, can restrict the motion of sliding block in other directions, avoid the sliding block upwards or the downstream has broken away from spacingly.
Preferably, the first inserted link seat and the second inserted link seat are connected with the a board through bolts, and the first inserted link and the second inserted link are connected with the second B board through bolts. Through the bolt connection, the replacement and maintenance of the inserted rod seat and the inserted rod are facilitated.
Preferably, the limiting projection is an insert on the first plunger seat. Spacing lug and first sliding block butt, frictional force between the two is very big, takes place wearing and tearing easily, and after spacing lug took place great wearing and tearing, spacing ability descends, just need change this moment. And the limiting lug is convenient to replace by being made into an insert.
Preferably, the upper end surface of the second sliding block is provided with a second inclined surface, and the second inserted link seat is provided with a second inclined surface abutted to the second inclined surface of the second sliding block. When the compound die, the second sliding block can backward compress, and the spacing step of second inserted bar is thrown off with the second sliding block, and the second inserted bar can reset smoothly.
Preferably, a gap is arranged between the limit bump and the first sliding block. Because the front mould elastic block and the spring on the plate A have strong elasticity to push the first plate B, when the mould is opened, the first plate B can firstly descend by a small gap distance, partial elasticity is released, and the buffering effect is achieved.
Compared with the prior art, the beneficial effects are: the movable template can move in two strokes in the same moving direction, the mold is opened according to a certain sequence, and the product in the mold is taken out; through linkage of the two shutters, the single shutter is simple in structure, easy to assemble and convenient to use; the linkage between the two openers can be realized in the process of opening the die without stopping, and the die opening efficiency is high.
Drawings
Fig. 1 is a schematic view of the structure of the front mold spring block and the rear mold of the utility model;
fig. 2 is a schematic view of the shutter assembly mounting structure of the present invention;
FIG. 3 is a partial enlarged view of the location A of FIG. 2;
FIG. 4 is a partial enlarged view of the B position of FIG. 2;
figure 5 is a schematic view of the downward movement of the first shutter of the present invention;
fig. 6 is a schematic view of the downward movement of the second shutter of the present invention.
Wherein: 1. a, a plate; 101. a front mold spring block; 102. a spring member; 2. a first B plate; 3. a second B plate; 301. a movable mold insert; 4. a first shutter; 401. a first jack post mount; 4011. a first inclined surface; 402. A first plunger; 403. a first slider; 4031. a first inclined plane; 404. a limiting bump; 405. a push block; 406. an elastic member; 5. a second shutter; 501. a second jack post mount; 5011. a second inclined surface; 502. a second plunger; 503. a second slider; 5031. a second inclined plane; 504. and a limiting step.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example 1
As shown in figure 1, the mold part of the sequential mold opening and closing mechanism for the back mold of the front mold elastic block comprises an A plate 1, a first B plate 2 and a second B plate 3. A front module elastic block 101 and a spring part 102 are arranged in the A plate 1, and after the front module elastic block 101 and the spring part 102 are opened, the generated elastic force can pop out the first B plate 2 and the second B plate 3. The second B plate 3 is provided with a movable mold insert 301, and the movable mold insert 301 and the front mold spring block 101 form a cavity of the product.
As shown in fig. 2, the mechanism for sequentially opening and closing the front mold and the rear mold by retracting and retracting the front mold spring block further comprises shutter components arranged outside the mold, wherein the shutter components are a first shutter 4 and a second shutter 5 respectively.
As shown in fig. 3, the first shutter includes a first plunger seat 401, a first plunger 402, and a first slide block 403, the first plunger seat 403 is provided with a limit projection 404 for limiting the movement of the first slide block, and the limit projection 404 is mounted on the first plunger seat 403 by means of an insert. The upper end of the first plunger 402 is provided with a push block 405 that allows the first slide block 403 to be disengaged from the limit. The upper end surface of the first sliding block 403 is provided with a first inclined surface 4031, the lower end surface of the pushing block 405 is provided with a thrust inclined surface, and the lower end surface of the first socket 401 close to the surface side of the a plate is provided with a first inclined surface 4011. The first B plate 2 is provided with a mounting groove in which the first slide block 403 is mounted by an elastic member 405 (preferably a spring). The first socket bar 401 is connected to the a-plate 1 by a pin, and the first socket bar 402 is connected to the second B-plate 3 by a pin.
As shown in fig. 4, the second shutter 5 includes a second plunger holder 501, a second plunger 502, and a second slide block 503, the second plunger 502 having a stopper step 504 for restricting the movement of the second slide block 503; the second slider 503 has a second inclined surface 5031 on the upper end surface thereof, and the second plunger holder 501 has a second inclined surface 5011 abutting against the second inclined surface of the second slider 503. The second sliding block 503 is also mounted in the mounting groove of the first B plate 2 by a spring. The second socket 501 is connected to the a board 1 by a pin, and the second socket 502 is connected to the second B board 3 by a pin.
The distance between the limit step 504 and the second sliding block 503 is shorter than the distance between the first sliding block 403 and the pushing block 405.
The utility model discloses a work flow or theory of operation: and after the injection molding of the mold is finished, opening the mold. The first B plate 2 is connected to the first sliding block 403, and the first sliding block 403 cannot move downward because of being abutted by the limit bump 404, so that only the second B plate 3 moves downward. The second B plate 3 moves downward and simultaneously drives the first plunger 402 and the second plunger 502 to move downward. As shown in fig. 5, when the pushing block 405 of the first plunger 402 moves to the position of the first sliding block 403, the pushing inclined surface of the pushing block 405 contacts with the inclined surface of the first sliding block 403, pushing the first sliding block 403 inward and compressing the spring, so that the first sliding block 403 disengages from the limit bump 404. Meanwhile, as shown in fig. 6, the limit step 504 is located below the second slide block 503, the second slide block 503 moves downward, and is separated from the inclined surface limit of the second plunger seat 501, and the second slide block extends into the groove of the limit step 504.
After the first sliding block 403 is separated from the limiting bump 404, the first B plate 2 and the second B plate 3 move downward, when the second B plate moves downward for a certain distance relative to the first B plate, the second sliding block 503 is supported by the limiting step 504, the distance between the first B plate 2 and the second B plate 3 remains unchanged, the movable mold insert on the second B plate 3 does not contact with the product on the first B plate 2, and meanwhile, there is enough space between the a plate 1 and the first B plate 2 to allow the product to be demolded.
When the mold is closed, the first B plate 2 moves upward, and the second slide block 503 contacts the inclined surface of the second plunger holder 501, compresses the spring, and moves inward without abutting on the stopper step 504. The first slider 403 contacts the inclined surface of the first plunger seat 401, compresses the spring and moves inward, returning to the original position. The second B plate 3 moves upward, the plunger moves upward, the push block 405 and the limit step 504 move upward, and the second plunger 502 is reset because the limit step 504 is not abutted to the second slide block 503.
The utility model has the advantages that: the movable template can move in two strokes in the same moving direction, the mold is opened according to a certain sequence, and the product in the mold is taken out; through linkage of the two shutters, the single shutter is simple in structure, easy to assemble and convenient to use; the linkage between the two openers can be realized in the process of opening the die without stopping, and the die opening efficiency is high.
Example 2
This embodiment is similar to embodiment 1, except that a gap of 2-3mm is provided between the limit bump 404 and the first slider 403. In this embodiment, a gap of 2mm is provided between the limiting bump 404 and the first sliding block 403
The working principle of the embodiment is as follows: because the front mould elastic block 101 and the spring 102 on the A plate 1 have strong elasticity to push the first B plate 2, when the mould is opened, the first B plate 2 firstly descends by 2mm, partial elasticity is released, and the buffer effect is achieved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A front mould elastic block rear mould retraction and extension sequence mould opening and closing mechanism comprises a plate A (1), a plate B and a shutter component, wherein the plate B is respectively a first plate B (2) and a second plate B (3), the mechanism is characterized in that the shutter component is respectively a first shutter (4) and a second shutter (5), the first shutter (4) comprises a first inserted link seat (401) and a first sliding block (403) which limit the downward movement of the first plate B (2), and a first inserted link (402) which is linked with the second plate B (3) and releases the movement limit of the first plate B (2); the second shutter (5) includes a second plunger seat (501), a second plunger (502) and a second slide block (503) that restrict downward movement of the first B plate (2) with respect to the second B plate (3), and the second plunger (502) is linked with the second B plate (3).
2. The mechanism of claim 1, wherein the first plunger seat (401) and the second plunger seat (501) are connected with the A plate (1), and the first sliding block (403) and the second sliding block (503) are connected with the first B plate (2) through elastic members; the first plunger seat (401) is provided with a first limiting mechanism for limiting the movement of the first sliding block (403), and the upper end of the first plunger (402) is provided with a push block (405) for enabling the first sliding block (403) to be separated from the limiting position; the second inserted bar (502) is provided with a second limiting mechanism for limiting the movement of the second sliding block (503).
3. The mechanism for sequentially opening and closing the front mold and the back mold according to claim 2, wherein the first limiting mechanism is a limiting lug (404), and the limiting lug (404) is abutted against the first sliding block (403); the second limiting mechanism is a limiting step (504) arranged at the far end of the second inserting rod (502).
4. The mechanism of claim 3, wherein the first slide block (403) is provided with a first inclined surface (4031) on the upper end surface, the push block (405) is provided with a thrust inclined surface on the lower end surface, and the first plunger seat (401) is provided with an inclined surface (4011) on the lower end surface on the side close to the surface of the A plate (1).
5. The mechanism of claim 3, wherein the distance between the limit step (504) and the second slide block (503) is shorter than the distance between the first slide block (403) and the push block (405).
6. The mechanism of claim 3, wherein the first B plate (2) is provided with a mounting groove, and the first sliding block (403) and the second sliding block (503) are both placed in the mounting groove.
7. The mechanism of claim 3, wherein the first insert rod seat (401) and the second insert rod seat (501) are connected with the A plate (1) through bolts, and the first insert rod (402) and the second insert rod (502) are connected with the second B plate (3) through bolts.
8. The mechanism of claim 3, wherein the second slider (503) has a second slope (5031) on its top surface, and the second plunger seat (501) has a second slope (5011) that abuts against the second slope of the second slider (503).
9. The mechanism for sequentially opening and closing the front mold and the back mold of the front mold elastic block according to any one of claims 3 to 8, wherein a gap is arranged between the limiting lug (404) and the first sliding block (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023189.0U CN210679575U (en) | 2019-07-01 | 2019-07-01 | Front mould elastic block rear mould shrinkage and shrinkage sequential mould opening and closing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023189.0U CN210679575U (en) | 2019-07-01 | 2019-07-01 | Front mould elastic block rear mould shrinkage and shrinkage sequential mould opening and closing mechanism |
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|---|---|
| CN210679575U true CN210679575U (en) | 2020-06-05 |
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| CN201921023189.0U Active CN210679575U (en) | 2019-07-01 | 2019-07-01 | Front mould elastic block rear mould shrinkage and shrinkage sequential mould opening and closing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355963A (en) * | 2019-07-01 | 2019-10-22 | 广东科龙模具有限公司 | A kind of preceding mould bullet block rear mold movable core,return core core puller sequence clasp mould mechanism |
-
2019
- 2019-07-01 CN CN201921023189.0U patent/CN210679575U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355963A (en) * | 2019-07-01 | 2019-10-22 | 广东科龙模具有限公司 | A kind of preceding mould bullet block rear mold movable core,return core core puller sequence clasp mould mechanism |
| CN110355963B (en) * | 2019-07-01 | 2025-03-04 | 广东科龙模具有限公司 | A sequential mold opening and closing mechanism with front mold spring block and rear mold shrinking |
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