CN113561439A - Be applied to injection mold's excessive correcting unit that moulds plastics - Google Patents
Be applied to injection mold's excessive correcting unit that moulds plastics Download PDFInfo
- Publication number
- CN113561439A CN113561439A CN202110713313.1A CN202110713313A CN113561439A CN 113561439 A CN113561439 A CN 113561439A CN 202110713313 A CN202110713313 A CN 202110713313A CN 113561439 A CN113561439 A CN 113561439A
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- die body
- mounting groove
- injection mold
- excessive
- injection
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- 238000002347 injection Methods 0.000 title claims abstract description 69
- 239000007924 injection Substances 0.000 title claims abstract description 69
- 239000004033 plastic Substances 0.000 title claims abstract description 13
- 229920003023 plastic Polymers 0.000 title claims abstract description 13
- 238000001746 injection moulding Methods 0.000 claims abstract description 43
- 238000012937 correction Methods 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 239000002994 raw material Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2669—Moulds with means for removing excess material, e.g. with overflow cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2669—Moulds with means for removing excess material, e.g. with overflow cavities
- B29C2045/2671—Resin exit gates or bleeder passages
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides an excessive injection correction device applied to an injection mold, and relates to the field of production and manufacturing. This be applied to injection mold's excessive correcting unit that moulds plastics, including last die body, lower die body and set up at last die body and the internal pressure sensor of lower die, the epicoele of moulding plastics has been seted up on the surface of going up the die body, the lower chamber of moulding plastics has been seted up on the surface of lower die body, still includes the recovery tank, the top fixedly connected with honeycomb duct of recovery tank, the mounting groove has been seted up to the inside of die body down, the inside of mounting groove is provided with the regulation end cap, the interior bottom of mounting groove is rotated and is connected with adjusting screw, adjusting screw's the first awl tooth of outer fixed surface connection. According to the invention, after excessive injection molding occurs in the injection mold, the adjustment and correction of the excessive injection mold can be realized, and the excessive injection mold is discharged out of the mold, so that the quality of the obtained product is ensured, and the fault tolerance rate of production and manufacturing is improved, thereby meeting the use requirements in many aspects.
Description
Technical Field
The invention relates to the technical field of production and manufacturing, in particular to an excessive injection correction device applied to an injection mold.
Background
In the production and manufacturing process, each product is processed mainly by using various modes to finally obtain a required product, wherein the method for producing the product by using an injection molding process in the production and manufacturing process of the product has the characteristic of high production efficiency, and the injection molding processing is mainly characterized in that the raw material is heated and melted, and then the melted raw material is injected into an injection mold by using an injection molding machine to manufacture the product.
In the injection molding process, the injection amount of the raw material is not easy to control, so that the excessive injection condition is very easily generated, and in order to solve the problem of excessive injection, a pressure sensor is installed in an injection mold in the traditional mode, and the pressure condition inside the injection mold is detected by the method, so that the injection amount is controlled.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an excessive injection correction device applied to an injection mold, which solves the problems that the prior injection mold adopts a mode of internally mounting a pressure sensor to monitor excessive injection, only can play an auxiliary role, and once excessive injection is carried out, raw materials in the mold cannot be adjusted.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a be applied to injection mold's excessive correcting unit that moulds plastics, includes last die body, lower die body and sets up at last die body and the internal pressure sensor of lower die, the epicoele of moulding plastics has been seted up on the surface of going up the die body, the lower chamber of moulding plastics has been seted up on the surface of lower die body, the inside of going up the die body has been seted up and has been flowed the way, and flow the way and be linked together with the inside of the epicoele of moulding plastics, still including retrieving the jar, retrieve the top fixedly connected with honeycomb duct of jar, retrieve the bottom fixedly connected with discharge pipe of jar.
The injection molding device comprises a lower die body, an injection molding lower cavity and an injection molding lower die body, wherein the lower die body is provided with a lower die body, the injection molding lower cavity is provided with an injection molding lower cavity, the injection molding lower cavity is provided with an injection molding lower die body, the injection molding lower die body is provided with a lower die body, the injection molding lower cavity is provided with an injection molding lower cavity, the injection molding lower die body is provided with an injection molding lower die body, the lower die body is provided with an installation groove, the installation groove is provided with an adjustment plug, the bottom of which is provided with an adjustment plug, the bottom of which is provided with a groove, the adjustment plug, the bottom of which extends to the adjustment plug, and the bottom of which is provided with a groove, and a groove, the bottom of which extends to the bottom of which is provided with a groove, and a groove, the bottom of which is provided with a screw structure, and a groove, and a screw structure, the bottom of which is provided in the bottom of which is provided with a screw structure, and a groove, and a screw structure, and a groove is provided in the bottom of the lower die body, and a screw structure, the bottom of;
the inner bottom of the mounting groove is rotatably connected with an adjusting screw rod, and the outer surface of the adjusting screw rod is fixedly connected with a first bevel gear;
a through hole is formed in the inner side wall of the mounting groove and penetrates through the lower die body, a transmission motor is fixedly connected to the side wall of the lower die body, a rotating shaft is fixedly connected to the output end of the transmission motor, and one end, far away from the transmission motor, of the rotating shaft extends into the mounting groove and is fixedly connected with a second bevel gear;
and an exhaust flow channel is arranged on the inner side wall of the mounting groove and close to the top, and penetrates through the lower die body.
Preferably, one end of the draft tube, which is far away from the recovery tank, is fixedly connected to the side wall of the lower die body and corresponds to the discharge flow channel.
Preferably, the top of the adjusting screw extends to the inside of the groove and is in threaded connection with the groove.
Preferably, the rotating shaft is rotatably connected to the inside of the through hole through a bearing.
Preferably, the adjusting plug is of an I-shaped structure and is matched with the mounting groove.
Preferably, the side wall of the adjusting plug is provided with a sealing ring, and the sealing ring is attached to the inner wall of the mounting groove.
Preferably, the inner wall of the mounting groove is fixedly connected with a partition plate close to the top, and the partition plate is of an annular structure.
Preferably, the top of the upper die body is provided with an injection molding opening, and the injection molding opening is communicated with the flow passage.
Preferably, the first bevel gear and the second bevel gear correspond in position, and the first bevel gear is meshed with the second bevel gear.
Preferably, the lower surface of the upper die body is provided with a plurality of positioning holes, and the upper surface of the lower die body is fixedly connected with a plurality of positioning pins matched with the positioning holes.
The working principle is as follows: during the injection molding operation, the injection molding machine injects the raw material into the mold through the injection port 19, the raw material enters the molding cavity from the flow channel 5, whether excessive injection molding is performed is detected by using a pressure sensor arranged in the mold, once excessive injection molding is found, the injection molding operation is stopped, and the adjustment operation is performed, during the adjustment process, by starting the transmission motor 12, the transmission motor 12 controls the rotating shaft 13 and the second bevel gear 14 to rotate, the second bevel gear 14 enables the first bevel gear 11 to drive the adjusting screw 10 to rotate through meshing with the first bevel gear 11, the adjusting screw 10 controls the adjusting plug 8 to move up and down along the mounting groove 7 through the threaded force, after the top of the upward adjusting plug 8 is separated from the mounting groove 7, the raw material flows into the mounting groove 7 along the gap between the adjusting plug 8 and the mold cavity, at the moment, the bottom of the adjusting plug 8 is positioned near the discharge flow channel 17, and then realize that the raw materials is discharged from discharge flow channel 17, later the raw materials flows into the inside of retrieving jar 6 from honeycomb duct 18 again, and after the pressure value that pressure sensor detected recovered to the allowed range value in, driving motor 12 control pivot 13 reversal, and then adjusting screw 10 drive adjusts end cap 8 and moves down, then adjusts the inside that the top of end cap 8 falls into mounting groove 7 again, seals mounting groove 7, realizes the correction to excessive injection moulding.
(III) advantageous effects
The invention provides an excessive injection correction device applied to an injection mold. The method has the following beneficial effects:
1. according to the invention, after excessive injection molding occurs in the injection mold, the adjustment and correction of the excessive injection mold can be realized, and the excessive injection mold is discharged out of the mold, so that the quality of the obtained product is ensured, and the fault tolerance rate of production and manufacturing is improved, thereby meeting the use requirements in many aspects.
2. When the injection mold is corrected, the correction device has the characteristics of simplicity and convenience in operation, and can further reduce the labor intensity of operators.
3. The invention realizes the adjustment of excessive injection molding by adjusting the lifting motion of the plug, has simpler structure, and can quickly realize the sealing effect after the injection molding amount reaches the specified range during the correction operation, thereby increasing the use effect.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an excessive injection correction device applied to an injection mold according to the present invention;
FIG. 2 is a front view of an overall structure of an excessive injection correction apparatus applied to an injection mold according to the present invention;
FIG. 3 is a schematic diagram of an internal structure of an over-molding correction device applied to an injection mold according to the present invention;
FIG. 4 is a schematic structural view of an adjusting plug of the excessive injection correction device applied to an injection mold according to the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 3 illustrating an over-molding correction apparatus for an injection mold according to the present invention;
fig. 6 is a partial enlarged view of a portion B in fig. 3 of an excessive injection correction device applied to an injection mold according to the present invention.
Wherein, 1, an upper die body; 2. a lower die body; 3. injection molding an upper cavity; 4. injecting a lower cavity; 5. a flow channel; 6. a recovery tank; 7. mounting grooves; 8. adjusting the plug; 9. a groove; 10. adjusting the screw rod; 11. a first bevel gear; 12. a drive motor; 13. a rotating shaft; 14. a second taper tooth; 15. a bearing; 16. a through hole; 17. a discharge flow passage; 18. a flow guide pipe; 19. an injection molding port; 20. positioning pins; 21. positioning holes; 22. a discharge pipe; 23. a separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1-6, an embodiment of the present invention provides an excessive injection correction device applied to an injection mold, including an upper mold body 1, a lower mold body 2, and pressure sensors disposed in the upper mold body 1 and the lower mold body 2, to assist in monitoring whether excessive injection occurs inside the injection mold, wherein an upper injection cavity 3 is disposed on a surface of the upper mold body 1, a lower injection cavity 4 is disposed on a surface of the lower mold body 2, the upper injection cavity 3 is matched with the lower injection cavity 4 to form an index molding groove structure of a product, a flow channel 5 is disposed inside the upper mold body 1 for guiding injection molding materials, the flow channel 5 is communicated with an inside of the upper injection cavity 3, the device further includes a recovery tank 6, when the injection mold is corrected, discharged excessive materials are recovered, a heating assembly is further disposed inside the recovery tank 6, and a flow guide pipe 18 is fixedly connected to a top of the recovery tank 6, the injection molding machine is used for draining injection molding raw materials, a discharge pipe 22 is fixedly connected to the bottom of the recovery tank 6, the raw materials in the recovery tank 6 are discharged, and meanwhile a control valve is further arranged on the discharge pipe 22 and used for controlling the opening and closing of the discharge pipe 22.
The lower die body 2 is internally provided with a mounting groove 7 for mounting a correction component, the mounting groove 7 is communicated with the inside of the injection molding lower cavity 4, the inside of the mounting groove 7 is provided with an adjusting plug 8, the adjusting plug 8 realizes the sealing effect on the mounting groove 7, meanwhile, the correction purpose is realized by adjusting the movement of the plug 8, the bottom of the adjusting plug 8 is provided with a groove 9 extending inwards, the inside of the groove 9 is of a threaded structure and is matched with an adjusting screw 10, the top of the adjusting screw 10 extends into the groove 9 and is in threaded connection with the groove 9, the adjusting screw 10 realizes the control effect on the movement of the adjusting plug 8 by the action of the threaded force, the adjusting plug 8 is of an I-shaped structure, double sealing is realized, meanwhile, the injection molding raw material is conveniently discharged from a discharge flow channel 17 to the inside of a recovery tank 6, and the adjusting plug 8 is matched with the mounting groove 7, the side wall of the adjusting plug 8 is provided with a sealing ring, and the sealing ring is attached to the inner wall of the mounting groove 7, so that a good sealing effect is achieved.
An adjusting screw rod 10 is rotatably connected to the inner bottom of the mounting groove 7 and used for controlling the movement of the adjusting plug 8, so that the opening and closing of the top opening of the mounting groove 7 are realized, a first bevel gear 11 is fixedly connected to the outer surface of the adjusting screw rod 10 and is matched with a second bevel gear 14 to realize the transmission effect of kinetic energy, a through hole 16 is formed in the inner side wall of the mounting groove 7, the through hole 16 penetrates through the lower die body 2, a rotating shaft 13 is conveniently introduced into the mounting groove 7, a transmission motor 12 is fixedly connected to the side wall of the lower die body 2 to provide power for the movement of the adjusting plug 8 and control the rotation of the rotating shaft 13, a rotating shaft 13 is fixedly connected to the output end of the transmission motor 12, one end of the rotating shaft 13, far away from the transmission motor 12, extends into the mounting groove 7 and is fixedly connected with the second bevel gear 14, the first bevel gear 11 corresponds to the second bevel gear 14, and the first bevel gear 11 is meshed with the second bevel gear 14, with this, realize driving motor 12 to the motion control of adjusting end cap 8, driving motor 12 carries out the automatic sliding extremely through the PLC system, and the inside wall of mounting groove 7 just is close to the top and has seted up discharge flow channel 17 for with the discharge of excessive raw materials, and discharge flow channel 17 runs through lower mould body 2, is convenient for be linked together with honeycomb duct 18.
The top of the upper die body 1 is provided with an injection molding opening 19, the injection molding opening 19 is communicated with the flow passage 5, so that the injection molding machine can perform injection molding operation conveniently, the lower surface of the upper die body 1 is provided with a plurality of positioning holes 21, the upper surface of the lower die body 2 is fixedly connected with a plurality of positioning pins 20 matched with the positioning holes 21, and the positioning effect during splicing between the dies is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a be applied to injection mold's excessive correcting unit that moulds plastics, includes last die body (1), lower die body (2) and sets up at last die body (1) and the pressure sensor in die body (2) down, go up the surface of die body (1) and seted up the epicoele (3) of moulding plastics, the surface of die body (2) has seted up the lower chamber (4) of moulding plastics down, the inside of going up die body (1) has seted up circulation way (5), and circulation way (5) are linked together with the inside of the epicoele (3) of moulding plastics, its characterized in that: the device also comprises a recovery tank (6), the top of the recovery tank (6) is fixedly connected with a flow guide pipe (18), and the bottom of the recovery tank (6) is fixedly connected with a discharge pipe (22);
the injection molding device is characterized in that a mounting groove (7) is formed in the lower die body (2), the mounting groove (7) is communicated with the interior of the injection molding lower cavity (4), an adjusting plug (8) is arranged in the mounting groove (7), a groove (9) extending inwards is formed in the bottom of the adjusting plug (8), and the interior of the groove (9) is of a threaded structure;
an adjusting screw rod (10) is rotatably connected to the inner bottom of the mounting groove (7), and a first bevel gear (11) is fixedly connected to the outer surface of the adjusting screw rod (10);
a through hole (16) is formed in the inner side wall of the mounting groove (7), the through hole (16) penetrates through the lower die body (2), a transmission motor (12) is fixedly connected to the side wall of the lower die body (2), the output end of the transmission motor (12) is fixedly connected with a rotating shaft (13), and one end, far away from the transmission motor (12), of the rotating shaft (13) extends into the mounting groove (7) and is fixedly connected with a second bevel gear (14);
and a discharge flow channel (17) is formed in the inner side wall of the mounting groove (7) and is close to the top, and the discharge flow channel (17) penetrates through the lower die body (2).
2. An excessive injection correction device applied to an injection mold according to claim 1, characterized in that: one end of the draft tube (18) far away from the recovery tank (6) is fixedly connected with the side wall of the lower die body (2) and corresponds to the discharge flow channel (17).
3. An excessive injection correction device applied to an injection mold according to claim 1, characterized in that: the top of the adjusting screw rod (10) extends to the inside of the groove (9) and is in threaded connection with the groove (9).
4. An excessive injection correction device applied to an injection mold according to claim 1, characterized in that: the rotating shaft (13) is rotatably connected inside the through hole (16) through a bearing (15).
5. An excessive injection correction device applied to an injection mold according to claim 1, characterized in that: the adjusting plug (8) is of an I-shaped structure, and the adjusting plug (8) is matched with the mounting groove (7).
6. An excessive injection correction device applied to an injection mold according to claim 5, characterized in that: the side wall of adjusting end cap (8) is provided with the sealing washer, and the sealing washer laminates with the inner wall of mounting groove (7) mutually.
7. An excessive injection correction device applied to an injection mold according to claim 1, characterized in that: the inner wall of mounting groove (7) just is close to top fixedly connected with baffle (23), baffle (23) are the loop configuration.
8. An excessive injection correction device applied to an injection mold according to claim 1, characterized in that: the top of the upper die body (1) is provided with an injection molding opening (19), and the injection molding opening (19) is communicated with the flow channel (5).
9. An excessive injection correction device applied to an injection mold according to claim 1, characterized in that: the first bevel gear (11) corresponds to the second bevel gear (14) in position, and the first bevel gear (11) is meshed with the second bevel gear (14).
10. An excessive injection correction device applied to an injection mold according to claim 1, characterized in that: the lower surface of the upper die body (1) is provided with a plurality of positioning holes (21), and the upper surface of the lower die body (2) is fixedly connected with a plurality of positioning pins (20) matched with the positioning holes (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110713313.1A CN113561439A (en) | 2021-06-25 | 2021-06-25 | Be applied to injection mold's excessive correcting unit that moulds plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110713313.1A CN113561439A (en) | 2021-06-25 | 2021-06-25 | Be applied to injection mold's excessive correcting unit that moulds plastics |
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| Publication Number | Publication Date |
|---|---|
| CN113561439A true CN113561439A (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110713313.1A Pending CN113561439A (en) | 2021-06-25 | 2021-06-25 | Be applied to injection mold's excessive correcting unit that moulds plastics |
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| CN (1) | CN113561439A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114496427A (en) * | 2021-12-17 | 2022-05-13 | 河南平高电气股份有限公司 | Reducing composite insulator full skirt injection mold assembly |
| CN114889058A (en) * | 2022-05-07 | 2022-08-12 | 安徽理工大学 | Injection molding opening of injection mold |
| CN115972503A (en) * | 2022-12-02 | 2023-04-18 | 摩创科技(苏州)有限公司 | Injection mold is used in automobile parts production |
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| CN114889058B (en) * | 2022-05-07 | 2023-08-04 | 余姚市锐麒电子有限公司 | Injection port of injection mold |
| CN115972503A (en) * | 2022-12-02 | 2023-04-18 | 摩创科技(苏州)有限公司 | Injection mold is used in automobile parts production |
| CN115972503B (en) * | 2022-12-02 | 2023-11-21 | 摩创科技(苏州)有限公司 | Injection mold is used in production of automobile parts |
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