CN216732834U - Plastic mold convenient for demolding - Google Patents
Plastic mold convenient for demolding Download PDFInfo
- Publication number
- CN216732834U CN216732834U CN202122959343.9U CN202122959343U CN216732834U CN 216732834 U CN216732834 U CN 216732834U CN 202122959343 U CN202122959343 U CN 202122959343U CN 216732834 U CN216732834 U CN 216732834U
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- Prior art keywords
- plate
- jacking plate
- sliding
- jacking
- plastic mold
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a plastic mold convenient to drawing of patterns, comprising a base plate, the top of bottom plate is fixed with the roof through the guide post, the bottom of roof is connected with the mould through drive arrangement, be equipped with the bed die under going up the mould, the die cavity bottom gomphosis of bed die has the jacking plate, install the cylinder in the middle of the bottom plate, the both sides of jacking plate are all seted up flutedly, all be equipped with the extension board in the recess of jacking plate both sides, the adjacent one side in extension board bottom is fixed with the connecting piece, the bottom of jacking plate recess is equipped with the horizontal opening with connecting piece structure matched with, just the below of jacking plate is equipped with the slide bar, the both ends of slide bar are all overlapped and are equipped with the sliding sleeve, and the outer end of sliding sleeve is fixed connection with one side that the connecting piece is corresponding. This plastic mold convenient to drawing of patterns can make the atress when the finished product drawing of patterns more even through increasing the support range of liftout plate, guarantees off-the-shelf quality.
Description
Technical Field
The utility model relates to a plastic mold technical field specifically is a plastic mold convenient to drawing of patterns.
Background
Plastic molds are tools used in the plastic processing industry to complement plastic molding machines to impart a complete configuration and precise dimensions to plastic articles. Because of the variety and processing method of plastic, and the structure of plastic molding machines and plastic products are various, the variety and structure of plastic molds are also various. The plastic mold consists of two parts, including movable mold and fixed mold, and during injection molding, the movable mold and the fixed mold are closed to constitute the pouring system and mold cavity.
At present, a finished product is required to be taken out of a plastic mold after injection molding, and the existing plastic mold part is subjected to demolding treatment by adopting a mode of ejecting the finished product by a jacking plate, although the finished product can be ejected out by the mode, the supporting range of the jacking plate is generally limited, so that the finished product is easily deformed or even cracked due to uneven stress in the jacking process, and the quality of the finished product is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plastic mold convenient to drawing of patterns to solve the present plastic mold that above-mentioned background art provided and when adopting the jack-up board to carry out drawing of patterns processing with the ejecting mode of finished product, the finished product is being appeared warping the problem of breaking even because of the atress is inhomogeneous easily by the in-process of jack-up.
In order to achieve the above object, the utility model provides a following technical scheme: a plastic mold convenient for demolding comprises a bottom plate, wherein a top plate is fixed at the top end of the bottom plate through a guide column, the bottom of the top plate is connected with an upper mold through a driving device, a lower mold is arranged under the upper mold, a jacking plate is embedded at the bottom of a mold cavity of the lower mold, a cylinder is installed in the middle of the bottom plate, the output end of the cylinder is fixedly connected with the bottom of the jacking plate, grooves are formed in two sides of the jacking plate, extending plates are arranged in the grooves in the two sides of the jacking plate, a connecting piece is fixed at one side adjacent to the bottom of the extending plate, a transverse opening matched with a connecting piece structure is arranged at the bottom of the groove of the jacking plate, the connecting piece extends to the outer part of the bottom end of the jacking plate through the transverse opening at the bottom of the groove of the jacking plate, a sliding rod is arranged below the jacking plate, and sliding sleeves are arranged at two ends of the sliding rod, and the outer end of the sliding sleeve is fixedly connected with one side corresponding to the connecting piece.
Preferably, the outer sleeve in the middle of the sliding rod is provided with a spring, and two ends of the spring are respectively connected with one side corresponding to the sliding sleeve.
Preferably, the upper and lower both sides at slide bar both ends all are equipped with the slider, just the upper and lower both sides of sliding sleeve inner wall all are equipped with the spout with slider structure matched with.
Preferably, the length of the extension plate is equal to the depth of the jacking plate groove, and the extension plate is connected with the inner wall of the jacking plate groove in a sliding mode.
Preferably, a sealing gasket is fixed at the outer end of the extension plate, and the sealing gasket at the outer end of the extension plate is pressed against the joint of the lower die and the jacking plate.
Preferably, the two sides of the top end of the bottom plate are both provided with supporting blocks, and the top ends of the supporting blocks are fixedly connected with the bottom of the lower die.
Compared with the prior art, the beneficial effects of the utility model are that: this plastic mold convenient to drawing of patterns can make the atress more even when the finished product drawing of patterns through increasing the support scope of liftout plate, guarantees the quality of finished product. The device is equipped with retractable extension board through the both sides at the jacking board, and when the cylinder drove the jacking board and rises and carry out the drawing of patterns to the finished product, the extension board can stretch out the effect that plays auxiliary stay to the finished product in the both sides of jacking board for the finished product atress is more even, avoids the less finished product of support range of jacking board to appear warping or even breaking easily at the in-process by the jack-up to reduce off-the-shelf quality.
Drawings
FIG. 1 is a schematic structural view of a plastic mold of the present invention for facilitating demolding;
fig. 2 is an enlarged schematic structural view of a portion a in fig. 1 of the plastic mold for facilitating demolding according to the present invention;
fig. 3 is the utility model relates to a plastic mold's jacking plate rises state structure schematic diagram convenient to drawing of patterns.
In the figure: 1. the device comprises a bottom plate, 2 a top plate, 3 an upper die, 4 a lower die, 5 an extension plate, 6 a jacking plate, 7 a cylinder, 8 a connecting piece, 9 a supporting block, 10 a sliding rod, 11 a spring, 12 a sliding sleeve, 13 and a sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a plastic mold convenient for demolding comprises a bottom plate 1, wherein a top plate 2 is fixed at the top end of the bottom plate 1 through a guide column, the bottom of the top plate 2 is connected with an upper mold 3 through a driving device, a lower mold 4 is arranged under the upper mold 3, a jacking plate 6 is embedded at the bottom of a mold cavity of the lower mold 4, a cylinder 7 is arranged in the middle of the bottom plate 1, the output end of the cylinder 7 is fixedly connected with the bottom of the jacking plate 6, the upper mold 3 can be pushed downwards to be matched with the lower mold 4 through the driving device to perform injection molding operation, when a finished product after the internal injection molding and cooling of the lower mold 4 needs to be taken out, the jacking plate 6 can be driven by the cylinder 7 to ascend to jack the finished product, grooves are formed in two sides of the jacking plate 6, extension plates 5 are arranged in the grooves in two sides of the jacking plate 6, a connecting piece 8 is fixed on one side adjacent to the bottom of the extension plates 5, a transverse opening matched with the connecting piece 8 in structure is formed in the bottom of the groove of the jacking plate 6, the connecting piece 8 extends to the outside of the bottom end of the jacking plate 6 through a transverse opening at the bottom of a groove of the jacking plate 6, a sliding rod 10 is arranged below the jacking plate 6, two ends of the sliding rod 10 are both sleeved with sliding sleeves 12, the outer end of each sliding sleeve 12 is fixedly connected with one side corresponding to the connecting piece 8, a spring 11 is sleeved outside the middle of each sliding rod 10, and two ends of each spring 11 are respectively connected with one side corresponding to the corresponding sliding sleeve 12, when the air cylinder 7 drives the jacking plate 6 to be separated from an embedded opening at the bottom of the lower die 4, the sliding sleeves 12 can slide outwards along the outside of the sliding rods 10 under the action force of the springs 11 and drive the extension plates 5 to extend out from two sides of the jacking plate 6 through the connecting pieces 8, so that the extension plates 5 can play a role of auxiliary support for finished products at two sides of the jacking plate 6, the jacking plate 6 improves the range of increased support and leads the stress to be more uniform when the finished products are demolded, the product is prevented from being easily deformed or even broken in the process of being jacked when the supporting range of the jacking plate 6 is smaller, the quality of the product is prevented from being affected, the upper side and the lower side of the two ends of the sliding rod 10 are respectively provided with the sliding block 13, the upper side and the lower side of the inner wall of the sliding sleeve 12 are respectively provided with the sliding groove matched with the sliding groove 13 in structure, the sliding sleeve 12 in the structure can drive the sliding block 13 to slide in the sliding groove of the inner wall of the sliding sleeve 12 when sliding outside the sliding rod 10, so that the sliding sleeve 12 can be limited by the sliding rod 10, the sliding sleeve 12 is prevented from sliding out of the two ends of the sliding rod 10, the length of the extension plate 5 is equal to the depth of the groove of the jacking plate 6, the extension plate 5 is in sliding connection with the inner wall of the groove of the jacking plate 6, when the jacking plate 6 is matched with the extension plate 5 to demould the product, the extension plate 5 can be retracted into the groove of the jacking plate 6, the outer end of the extension plate 5 is fixed with a sealing gasket, and the sealing gasket at the outer end of the extension plate 5 is pressed at the connection position of the lower die 4 and the jacking plate 6, the sealed pad of 5 outer ends of this structure extension board can play sealed effect to the junction of bed die 4 and jack-up board 6, avoid the die cavity of bed die 4 the seepage to appear, the both sides on 1 top of bottom plate all are equipped with supporting shoe 9, and the top of supporting shoe 9 and the bottom fixed connection of bed die 4, this structure supporting shoe 9 can make and form certain space between bed die 4 and the bottom plate 1, so that receive and close the operation when closing jack-up board 6 and extension board 5.
The working principle is as follows: when the plastic mold convenient for demolding is used, firstly, after the upper mold 3 is pushed downwards at the bottom end of the top plate 2 through the driving device to be matched with the lower mold 4 to complete injection molding operation, the cylinder 7 is started, the cylinder 7 can drive the jacking plate 6 to ascend to jack up a finished product in a mold cavity of the lower mold 4 when being driven, when the jacking plate 6 is separated from an embedded opening at the bottom of the lower mold 4 in the ascending process, the sliding sleeve 12 can slide outwards along the outside of the sliding rod 10 under the action of the spring 11, the extending plate 5 is driven by the connecting piece 8 to slide out of the grooves at two sides of the jacking plate 6 in the sliding process of the sliding sleeve 12, and the sliding sleeve 12 can drive the sliding block 13 to slide in the sliding groove at the inner wall of the sliding sleeve 12 when sliding outside the sliding rod 10, so as to prevent the sliding sleeve 12 from sliding out at two ends of the sliding rod 10, when the extending plate 5 extends at two sides of the jacking plate 6, the jacking plate 6 increases the supporting range to enable the stress of the finished product to be more uniform when demolding, after the finished product in the lower die 4 die cavity is demolded, the staff pushes the connecting piece 8 inwards through the space between the supporting blocks 9, the connecting piece 8 can drive the sliding sleeve 12 to slide in the same direction outside the sliding rod 10 to enable the extending plate 5 to contract into the groove of the jacking plate 6, and the sealing gasket at the outer end of the extending plate 5 can be pressed at the joint of the lower die 4 and the jacking plate 6 under the acting force of the spring 11, so that a series of work is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a plastic mold convenient to drawing of patterns, includes bottom plate (1), the top of bottom plate (1) is fixed with roof (2) through the guide post, the bottom of roof (2) is connected with mould (3) through drive arrangement, be equipped with bed die (4), its characterized in that under going up mould (3): a jacking plate (6) is embedded at the bottom of the die cavity of the lower die (4), a cylinder (7) is arranged in the middle of the bottom plate (1), the output end of the cylinder (7) is fixedly connected with the bottom of the jacking plate (6), both sides of the jacking plate (6) are provided with grooves, the grooves at the two sides of the jacking plate (6) are internally provided with extension plates (5), one adjacent side of the bottom of each extension plate (5) is fixed with a connecting piece (8), the bottom of the groove of the jacking plate (6) is provided with a transverse opening matched with the structure of the connecting piece (8), the connecting piece (8) extends to the outside of the bottom end of the jacking plate (6) through a transverse opening at the bottom of the groove of the jacking plate (6), a sliding rod (10) is arranged below the jacking plate (6), sliding sleeves (12) are sleeved at two ends of the sliding rod (10), and the outer end of the sliding sleeve (12) is fixedly connected with one side corresponding to the connecting piece (8).
2. A plastic mold for facilitating demolding as claimed in claim 1, wherein: the outer portion in the middle of the sliding rod (10) is sleeved with a spring (11), and two ends of the spring (11) are connected with one corresponding side of the sliding sleeve (12) respectively.
3. A plastic mold for facilitating demolding as claimed in claim 1, wherein: the upper side and the lower side of the two ends of the sliding rod (10) are both provided with sliding blocks (13), and the upper side and the lower side of the inner wall of the sliding sleeve (12) are both provided with sliding grooves matched with the sliding blocks (13).
4. A plastic mold for facilitating demolding as claimed in claim 1, wherein: the length of the extension plate (5) is equal to the depth of the groove of the jacking plate (6), and the extension plate (5) is in sliding connection with the inner wall of the groove of the jacking plate (6).
5. A plastic mold for facilitating demolding as claimed in claim 1, wherein: the outer end of the extension plate (5) is fixed with a sealing gasket, and the sealing gasket at the outer end of the extension plate (5) is pressed against the joint of the lower die (4) and the jacking plate (6).
6. A plastic mold for facilitating demolding as claimed in claim 1, wherein: supporting blocks (9) are arranged on two sides of the top end of the bottom plate (1), and the top ends of the supporting blocks (9) are fixedly connected with the bottom of the lower die (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122959343.9U CN216732834U (en) | 2021-11-30 | 2021-11-30 | Plastic mold convenient for demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122959343.9U CN216732834U (en) | 2021-11-30 | 2021-11-30 | Plastic mold convenient for demolding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216732834U true CN216732834U (en) | 2022-06-14 |
Family
ID=81931255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122959343.9U Expired - Fee Related CN216732834U (en) | 2021-11-30 | 2021-11-30 | Plastic mold convenient for demolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216732834U (en) |
-
2021
- 2021-11-30 CN CN202122959343.9U patent/CN216732834U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220614 |