CN215242514U - Mould structure convenient to automatic drawing of patterns of light plastic product - Google Patents
Mould structure convenient to automatic drawing of patterns of light plastic product Download PDFInfo
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- CN215242514U CN215242514U CN202121214909.9U CN202121214909U CN215242514U CN 215242514 U CN215242514 U CN 215242514U CN 202121214909 U CN202121214909 U CN 202121214909U CN 215242514 U CN215242514 U CN 215242514U
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- 238000007664 blowing Methods 0.000 claims abstract description 50
- 238000001746 injection moulding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 14
- 241001330002 Bambuseae Species 0.000 abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 14
- 239000011425 bamboo Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a mould structure convenient to light plastic product automatic demoulding. The utility model provides a mould structure convenient to automatic drawing of patterns of light plastic product, includes the movable mould, be equipped with the die cavity on the movable mould and be used for following the product after the die sinking the ejecting ejection mechanism of die cavity, the side of movable mould still is equipped with can be in ejection mechanism blows towards the die cavity from the side when ejecting mechanism is ejecting with the product. The utility model discloses an increase the mechanism of blowing, aim at the ejecting position of product and blow for the product drops from department's section of thick bamboo top more easily after ejecting, prevents that the product from sticking a department's section of thick bamboo or the thimble is taken back, causes the moulding-die phenomenon to appear when closing mould production again.
Description
Technical Field
The utility model relates to the technical field of mold, more specifically relates to a mold structure convenient to light plastic product automatic demoulding.
Background
In the field of plastic pipe fitting processing, at present, material feeding modes such as mould internal cutting, diving and the like are pushed vigorously, and a manual material inlet shearing procedure is omitted, but some small-specification products such as 16 and 20PPR straight tee joints and the like are easy to be subjected to the condition that the products cannot fall down by self weight after being ejected after a cavity is cut off due to light formed products, so that the products are stuck on a driver barrel or a thimble and are brought back, and the mould pressing phenomenon is caused during mould closing production; for example, chinese patent CN109501141A discloses a plastic mold structure for multiple full-automatic continuous demolding, which is used for demolding of products, and realizes that the products fall from a ejector through 3 times of demolding; however, when the mold is used for demolding a lighter product, the product cannot fall off due to dead weight, the ejector sleeve or the ejector pin is stuck, and a film pressing phenomenon is caused during mold closing production.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome among the above-mentioned background art because the shaping product is light, the easy appearance can not utilize the dead weight situation that falls after the die cavity cuts off for the product glues an department's section of thick bamboo or thimble and takes back, causes the problem of moulding-die phenomenon when closing mould production again, provides a mould structure of the light plastic product automatic demoulding of being convenient for. The utility model discloses can make the light product of membrane inscribe drop more easily after ejecting, prevent the emergence of press mold phenomenon.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a mould structure convenient to automatic drawing of patterns of light plastic product, includes the movable mould, be equipped with the die cavity on the movable mould and be used for following the product after the die sinking the ejecting ejection mechanism of die cavity, the side of movable mould still is equipped with can be in ejection mechanism blows towards the die cavity from the side when ejecting mechanism is ejecting with the product.
Further, ejection mechanism includes an department section of thick bamboo, thimble, is used for connecting the pull rod of injection molding machine ejector pin and can drives an department section of thick bamboo is followed thimble round trip movement's thimble board, thimble one end fixed connection be in on the bottom plate that the movable mould was equipped with, the other end is located in the die cavity, pull rod fixed connection be in the thimble board is close to on a side of bottom plate, an department section of thick bamboo is connected the thimble board is back to back on the another side of bottom plate, department section of thick bamboo and thimble board common activity cover are established on the thimble.
Further, the air blowing mechanism comprises an air source device, an air valve and an air blowing plate, wherein the air valve and the air blowing plate are arranged on the side surface of the movable die, the air blowing plate is used for touching the air valve when the ejector plate is ejected out in place, the touch block is installed on the side surface of the ejector plate, the air source device is connected with the air inlet end of the air valve through an air pipe, the air outlet end of the air valve is communicated with an air blowing port arranged on the air blowing plate through the air pipe, and the air blowing port is arranged on one side of a parting gap formed after the movable die and the fixed die are opened and faces the parting gap.
Preferably, the blowing direction of the blowing port is perpendicular to the ejection direction of the ejector sleeve.
Furthermore, an air flow channel is arranged in the air blowing plate, an air inlet and the air blowing port are arranged at two ends of the air flow channel, the air valve is connected with the air inlet through an air pipe, and the inner diameter of the air flow channel is gradually reduced from the air inlet to the air blowing port.
Preferably, the inner diameter of the air blowing opening is 3-5 times of the inner diameter of the air blowing opening.
More preferably, the inner diameter of the blowing opening is 4 times of the inner diameter of the blowing opening.
Preferably, the air source device is an air source air compressor or an air pump.
Preferably, the air valve is a press type air valve.
Preferably, the ejector sleeve and the ejector pin are both made of metal materials.
Compared with the prior art, the beneficial effects are:
the utility model discloses an increase the mechanism of blowing, aim at the ejecting position of product and blow for the product drops from department's section of thick bamboo top more easily after ejecting, prevents that the product from sticking a department's section of thick bamboo or the thimble is taken back, causes the moulding-die phenomenon to appear when closing mould production again.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
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 fig. 1, the mold structure convenient for automatic demolding of light plastic products includes a movable mold, a cavity 20 and an ejection mechanism for ejecting a product 9 from the cavity 20 after mold opening are arranged on the movable mold, and a blowing mechanism 10 capable of blowing air to the cavity 20 from the side when the ejection mechanism ejects the product 9 is further arranged on the side of the movable mold. The cavity 20 is the position where the product 9 falls off the needle assembly of the cartridge 7 and leaves the mold parting plane. The principle that the fixed die is matched with the fixed die in the die is similar to that of a common die, and when the fixed die and the movable die are matched, a product 9 is formed; when the fixed die and the movable die are opened, the product 9 is ejected and discharged by the ejection mechanism.
The ejection mechanism of this embodiment is the same with the 7 needle subassembly ejection mechanism principles of common department's section of thick bamboo, and this ejection mechanism includes department's section of thick bamboo 7, thimble 8, is used for connecting the pull rod of injection molding machine ejector pin and can drives department's section of thick bamboo 7 along thimble 8 round trip movement's thimble board 2, 8 one end fixed connection of thimble on the bottom plate 1 that the movable mould was equipped with, the other end is located die cavity 20, pull rod fixed connection be in thimble board 2 is close to one side of bottom plate 1, department's section of thick bamboo 7 is connected 2 opposite side of bottom plate 1 of thimble board, department's section of thick bamboo 7 and thimble board 2 common movable sleeve establish on thimble 8. That is, the thimble 8 is fixed on the bottom plate 1, and the position of the thimble 8 is not moved when the mould is closed, opened or ejected, so as to drag the formed product 9; the ejection mechanism is the same as a common mold, when the ejection mechanism is used on the mold, the ejector plate 2 is connected with an ejector rod of an injection molding machine through a pull rod and can move back and forth along the direction of the ejector pin, when the ejector plate 2 moves towards the direction of a fixed mold to perform ejection action, the ejector sleeve 7 can be simultaneously driven to eject forwards along the ejector pin 8, the ejector sleeve 7 can be exposed out of the mold cavity 20 from the parting surface of the mold after being ejected, and a molded product 9 supported on the ejector pin 8 is ejected out of the mold cavity 20; to disengage it from the cavity 20; when the ejector plate 2 is reset, the ejector sleeve 7 is reset, and the ejector sleeve 7 does not exceed the parting surface on the movable die at the moment.
The air blowing mechanism 10 comprises an air source device, an air valve 4 positioned on the side surface of the movable die, an air blowing plate 5 and a touch block 3 used for touching the air valve 4 and opening the air valve 4 when the ejector plate 2 is ejected in place, the touch block 3 is arranged on the side surface of the ejector plate 2, the air source device is connected with the air inlet end of the air valve 4 through an air pipe 6, the air outlet end of the air valve 4 is communicated with an air blowing port 13 arranged on the air blowing plate 5 through the air pipe 6, and the air blowing port 13 is positioned on one side of a parting gap formed after the die sinking of the fixed die and the movable die and faces the parting gap; the blowing direction of the blowing port 13 is perpendicular to the ejecting direction of the ejector sleeve 7. An air flow channel 11 is arranged in the air blowing plate 5, an air inlet 12 and an air blowing port 13 are arranged at two ends of the air flow channel 11, the air valve 4 is connected with the air inlet 12 through an air pipe 6, and the inner diameter of the air flow channel 11 is gradually reduced from the air inlet 12 to the air blowing port 13; the inner diameter of the air blowing opening 13 is 4 times of the inner diameter of the air blowing opening 13. The air source device is an air source air compressor or an air pump; the air valve 4 is a press type air valve 4; the ejector sleeve 7 and the ejector pin 8 are made of metal materials.
The improvement point of the embodiment is mainly that on the movable mould, a blowing mechanism 10 is added on the side surface of the movable mould, and the product 9 stuck at the position of the ejector 7 is blown off by airflow with accelerated flow rate. A movable mould plate is arranged on one side of the movable mould close to the fixed mould, a fixed mould plate is arranged on one side of the fixed mould close to the movable mould, a mould parting surface is formed between the fixed mould plate and the movable mould plate, an air valve 4 is arranged on the side surface of the ejector plate 2 close to the movable mould plate, an air valve 4 is arranged on the side surface of the ejector plate 2 between the ejector plate 2 and the movable mould plate, an air blowing plate 5 is arranged on the side surface of the movable mould plate, an air blowing opening on the air blowing plate 5 is aligned with the ejection position of a product 9, when the ejector plate 2 ejects the product 9 forwards to a proper position, the air valve 4 on the ejector plate 2 touches the touch block 3 to touch the air valve 4, the air valve 4 is opened, air flows into the air blowing plate 5 through the air valve 4, an air flow channel 11 in the air blowing plate 5 is gradually reduced, the flow velocity of the air flow is accelerated by changing the size of the air flow hole (for example, the air flow enters from a phi 12 hole and blows from a phi 3 hole), the top of the ejected driver 7, the product 9 is lighter, and is easy to fall down under the side direction of strong air flow, thereby achieving the effect that the product 9 automatically falls off without pressing die.
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 (10)
1. The utility model provides a mould structure convenient to automatic drawing of patterns of light plastic product, includes the movable mould, be equipped with die cavity (20) on the movable mould and be used for following the ejecting ejection mechanism of die cavity (20) with the product after the die sinking, its characterized in that, the side of movable mould still is equipped with and is used for when ejection mechanism is ejecting product (9) from the side to die cavity (20) blow gas mechanism (10) of department.
2. The mold structure convenient to automatic drawing of patterns of light plastic product of claim 1, characterized in that, ejection mechanism includes an ejector sleeve (7), thimble (8), is used for connecting the pull rod of injection molding machine ejector pin and can drive ejector plate (2) that ejector sleeve (7) were followed thimble (8) round trip movement, thimble (8) one end fixed connection in on bottom plate (1) that the movable mould was equipped with, the other end is located in die cavity (20), pull rod fixed connection be in ejector plate (2) are close to on a side of bottom plate (1), ejector sleeve (7) are connected on the another side of ejector plate (2), the cover is established with ejector plate (2) common activity cover department's sleeve (7) on thimble (8).
3. The mold structure for facilitating automatic demolding of light-weight plastic products as recited in claim 2, the air blowing mechanism (10) comprises an air source device, an air valve (4) positioned on the side surface of the movable mold, an air blowing plate (5) and a touch block (3) used for touching the air valve (4) and opening the air valve (4) when the ejector pin plate (2) is ejected to the position, the touch block (3) is arranged on the side surface of the ejector plate (2), the air source device is connected with the air inlet end of the air valve (4) through an air pipe (6), the air outlet end of the air valve (4) is communicated with an air blowing port (13) arranged on the air blowing plate (5) through the air pipe (6), the air blowing opening (13) is located on one side of a parting gap (30) formed after the movable die and the fixed die are opened and faces the parting gap (30).
4. The mold structure for facilitating automatic demolding of light-weight plastic products as claimed in claim 3, wherein the blowing direction of the blowing port (13) is perpendicular to the ejection direction of the ejector sleeve (7).
5. The mold structure convenient for automatic demolding of light plastic products as claimed in claim 3, wherein an air flow channel (11) is arranged in the air blowing plate (5), an air inlet (12) and the air blowing opening (13) are arranged at two ends of the air flow channel (11), the air valve (4) is connected with the air inlet (12) through an air pipe (6), and the inner diameter of the air flow channel (11) is gradually reduced from the air inlet (12) to the air blowing opening (13).
6. The mold structure convenient for automatic demolding of light plastic products as claimed in claim 5, wherein the inner diameter of the air inlet (12) is 3-5 times of the inner diameter of the air blowing opening (13).
7. The mold structure for facilitating automatic demolding of light-weight plastic products as claimed in claim 5, wherein the inner diameter of the air inlet (12) is 4 times as large as the inner diameter of the air blowing opening (13).
8. The mold structure for facilitating automatic demolding of light plastic products as claimed in claim 3, wherein the air source device is an air source air compressor or an air pump.
9. The mold structure for facilitating automatic demolding of light plastic products as claimed in claim 3, wherein the air valve (4) is a press type air valve.
10. The mold structure for facilitating automatic demolding of light-weight plastic products as claimed in claim 2, wherein the ejector sleeve (7) and the ejector pin (8) are made of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121214909.9U CN215242514U (en) | 2021-06-01 | 2021-06-01 | Mould structure convenient to automatic drawing of patterns of light plastic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121214909.9U CN215242514U (en) | 2021-06-01 | 2021-06-01 | Mould structure convenient to automatic drawing of patterns of light plastic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215242514U true CN215242514U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121214909.9U Active CN215242514U (en) | 2021-06-01 | 2021-06-01 | Mould structure convenient to automatic drawing of patterns of light plastic product |
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| CN (1) | CN215242514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801090A (en) * | 2022-03-23 | 2022-07-29 | 绍兴博越塑业科技有限公司 | Injection molding machine for injection molding of embroidery machine thread clamping device panel |
-
2021
- 2021-06-01 CN CN202121214909.9U patent/CN215242514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801090A (en) * | 2022-03-23 | 2022-07-29 | 绍兴博越塑业科技有限公司 | Injection molding machine for injection molding of embroidery machine thread clamping device panel |
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