CN113146974B - Injection mold convenient for demolding and processing method thereof - Google Patents
Injection mold convenient for demolding and processing method thereof Download PDFInfo
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- CN113146974B CN113146974B CN202110460513.0A CN202110460513A CN113146974B CN 113146974 B CN113146974 B CN 113146974B CN 202110460513 A CN202110460513 A CN 202110460513A CN 113146974 B CN113146974 B CN 113146974B
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- lifting mechanism
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- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold convenient for demolding, which comprises: a mounting frame; the fixed die is fixedly arranged at the bottom end of the mounting frame, and the movable die is arranged above the fixed die; the lower end of the first lifting mechanism is connected with the movable die and used for providing a first driving force required by lifting the movable die; the second lifting mechanism is arranged at the top end of the mounting rack, the lower end of the second lifting mechanism is connected with the first mechanism, and the second lifting mechanism is used for providing a second driving force required by lifting the movable die; wherein the first driving force provided by the first lifting mechanism is greater than the second driving force provided by the second lifting mechanism. This technical scheme who carries and draw movable mould compares in prior art single device of carrying and drawing, rationally sets up two kinds of drive power of equidimension not, acts on the movable mould respectively and promotes the different stages of in-process, and then carries and to draw the pertinence stronger, has avoided lifting device's power to spill over.
Description
Technical Field
The invention belongs to the technical field of injection molds, and particularly relates to an injection mold convenient to demould and a processing method thereof.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.
The mold is generally divided into a movable mold and a fixed mold, and after products in the two molds are cooled and molded, the lifting acting force is applied to the movable mold through the corresponding lifting device to separate the movable mold from the fixed mold, so that the products can be taken out conveniently.
Generally, in the pulling process, a large acting force is needed in the initial stage of separating the movable mold from the fixed mold, because an extra acting force is needed in the initial stage of separating the product from the movable mold, and only the gravity of the movable mold needs to be overcome in the subsequent stage. The power of the pulling device in the prior art is generally fixed, the minimum value of the power is larger than the power required in the initial stage, and the power is wasted in the subsequent stage.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides an injection mold convenient for demolding and a processing method thereof.
The invention provides an injection mold convenient for demolding, which comprises:
a mounting frame;
the fixed die is fixedly arranged at the bottom end of the mounting frame, and the movable die is arranged above the fixed die;
the lower end of the first lifting mechanism is connected with the movable die and used for providing a first driving force required by lifting the movable die;
the second lifting mechanism is arranged at the top end of the mounting rack, the lower end of the second lifting mechanism is connected with the first mechanism, and the second lifting mechanism is used for providing a second driving force required by lifting the movable die;
wherein the first driving force provided by the first lifting mechanism is greater than the second driving force provided by the second lifting mechanism.
Preferably, the mounting bracket comprises a base, a mounting plate and a mounting rod, the mounting plate is fixedly arranged above the base through the mounting rod, and the fixed die is fixedly arranged on the upper side of the base.
Preferably, first lifting mechanism includes lifter plate, first driving piece, connecting rod, lifting ring, the lifter plate dispose in the lower extreme of second lifting mechanism, and downside middle part fixedly connected with installation piece, it is a pair of the lifting rod symmetry set up in the downside of lifter plate, the inner of lifter rod with the installation piece is articulated, the downside of lifting ring with the upside butt of lifting rod, and through the connecting block with movable mould fixed connection, the connecting rod is the U-shaped structure, and both ends respectively with two the outer end of lifting rod is connected, first driving piece fixed dispose in the lifter plate upside, be used for the drive the connecting rod for the lifter plate goes up and down.
Preferably, a first sliding groove is formed in the upper side of the outer end of the lifting rod, a first sliding block is embedded in the first sliding groove and is configured in a sliding mode, and the end portion of the connecting rod is hinged to the first sliding block.
Preferably, a second sliding groove is formed in the upper side of the inner end of the lifting rod, a second sliding block is embedded in the second sliding groove and slides, a mounting opening is formed in the second sliding block, and the lifting ring penetrates through the mounting opening.
Preferably, the first driving member cylinder is fixedly disposed at an upper side of the lifting plate, and an output end of the first driving member cylinder is fixedly connected with a middle portion of the connecting rod.
Preferably, the second lifting mechanism includes a winding wheel, a second driving member and a lifting rope, the winding wheel is rotatably disposed on the upper side of the mounting plate, the second driving member is used for driving the winding wheel to rotate, one end of the lifting rope is wound on the winding wheel, and the lower end of the lifting rope is fixedly connected with the lifting plate.
Preferably, the second is carried and is drawn mechanism and still is included receipts spool and dispersion board and leading wheel, receive the spool run through dispose in on the mounting panel, the dispersion board fixed dispose in receive the spool below, it is a plurality of the leading wheel rotate dispose in the dispersion board side.
Preferably, the second lifting mechanism further comprises a limiting rod, and the limiting rod is fixedly arranged on the mounting rod and used for limiting the lowest position where the lifting plate can fall.
The invention also provides a processing method convenient for demoulding, which comprises the following steps:
after the product in the fixed die and the movable die is cooled and formed, starting a first lifting mechanism, wherein in the first lifting mechanism, a first driving piece drives a connecting rod to ascend relative to a lifting plate, and the connecting rod drives the outer ends of two lifting rods to move upwards, so that the lifting rods rotate upwards around a hinged point to drive a lifting ring to ascend for a certain distance, and the movable die is lifted for a certain distance;
after the first lifting mechanism finishes operating, the second lifting mechanism is started, and in the second lifting mechanism, the second driving piece drives the winding wheel to rotate to wind the connecting rope, so that the connecting rope pulls the lifting plate to lift, and the movable die continues to be driven to lift for a larger distance.
Compared with the prior art, the invention has the beneficial effects that:
1. the movable mould lifting mechanism comprises a first lifting mechanism, a second lifting mechanism, a first lifting mechanism and a second lifting mechanism, wherein the first lifting mechanism and the second lifting mechanism are arranged to respectively provide a first driving force and a second driving force which are different in size, the first driving force is larger than the second driving force, the first driving force acts on the initial stage of lifting the movable mould and is used for separating the movable mould from an internal product, the second driving force is used for lifting the first lifting mechanism and further continuously lifting the movable mould, and the movable mould is separated from the fixed mould by a certain distance; compared with the single lifting device in the prior art, the technical scheme for lifting the movable die has the advantages that two driving forces with different sizes are reasonably set and respectively act on different stages in the lifting process of the movable die, so that the lifting pertinence is stronger, and the power overflow of the lifting device is avoided;
2. when the movable mold needs to be lifted and pulled, the first driving piece drives the connecting rod to ascend relative to the lifting plate and further drives the outer ends of the two lifting rods to move upwards, so that the lifting rods rotate upwards around the hinged point and further drive the lifting ring to ascend for a certain distance, and therefore the movable mold is lifted for a certain distance; in the process, according to a lever principle, the upward acting force applied to the lifting ring is greater than the upward acting force applied to the connecting rod by the first driving part, so that the movable mold is subjected to a lifting acting force greater than that provided by the first driving part;
3. through the rotation of second driving piece drive reel, carry out the wiring to connecting the rope to make and connect rope pulling lifter plate to promote, the lifting force that the second was carried and is drawn the mechanism and provide is less, but the lifting stroke is bigger, is applicable to the follow-up lifting stage of movable mould.
Drawings
FIG. 1 is a schematic view of a mold-closing state structure of an injection mold facilitating demolding according to the present invention;
FIG. 2 is a schematic diagram of an initial mold-opening state structure of an injection mold facilitating demolding according to the present invention;
FIG. 3 is a schematic structural view of an injection mold according to the present invention in a fully open state, which facilitates demolding;
fig. 4 is a schematic structural diagram of a first lifting mechanism of an injection mold facilitating demolding according to the present invention.
In the figure: the device comprises a base 1, a mounting plate 2, a mounting rod 3, a fixed die 4, a movable die 5, a lifting plate 6, an air cylinder 7, a connecting rod 8, a lifting rod 9, a first sliding block 10, a lifting ring 11, a second sliding block 12, a mounting block 13, a connecting block 14, a winding wheel 15, a lifting rope 16, a winding pipe 17, a dispersion plate 18, a guide wheel 19 and a limiting rod 20.
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.
Referring to fig. 1-4, an injection mold facilitating demolding comprises:
a mounting frame;
the fixed die 4 is fixedly arranged at the bottom end of the mounting frame, and the movable die 5 is arranged above the fixed die 4;
the lower end of the first lifting mechanism is connected with the movable die 5 and is used for providing a first driving force required by lifting the movable die 5;
the second lifting mechanism is arranged at the top end of the mounting frame, the lower end of the second lifting mechanism is connected with the first mechanism, and the second lifting mechanism is used for providing a second driving force required by the lifting of the movable mold 5;
the first driving force provided by the first lifting mechanism is larger than the second driving force provided by the second lifting mechanism.
In the embodiment applying the technical scheme, the first lifting mechanism and the second lifting mechanism are arranged to respectively provide the first driving force and the second driving force which are different in size, the first driving force is larger than the second driving force, the first driving force acts on the initial stage of lifting the movable mold 5 and is used for separating the movable mold 5 from the internal product, and the second driving force is used for lifting the first lifting mechanism and further continuously lifting the movable mold 5, so that the movable mold 5 is separated from the fixed mold 4 by a certain distance; this carry and draw movable mould 5's technical scheme compares in prior art single device of carrying and drawing, and the drive power of two kinds of equidimensions of reasonable setting acts on the different stages in the 5 promotion processes of movable mould respectively, and then carries and draws the pertinence stronger, has avoided the power of carrying and drawing device to spill over.
According to the specific technical scheme in the embodiment, the mounting frame comprises a base 1, a mounting plate 2 and a mounting rod 3, the mounting plate 2 is fixedly arranged above the base 1 through the mounting rod 3, and a fixed die 4 is fixedly arranged on the upper side of the base 1.
In the preferred technical scheme of this embodiment, the first lifting mechanism includes a lifting plate 6, a first driving member, a connecting rod 8, lifting rods 9 and a lifting ring 11, the lifting plate 6 is disposed at the lower end of the second lifting mechanism, and an installation block 13 is fixedly connected to the middle of the lower side of the second lifting mechanism, a pair of lifting rods 9 are symmetrically disposed at the lower side of the lifting plate 6, the inner ends of the lifting rods are hinged to the installation block 13, the lower side of the lifting ring 11 is abutted to the upper side of the lifting rods 9 and is fixedly connected to the movable mold 5 through a connecting block 14, the connecting rod 8 is in a U-shaped structure, and both ends of the connecting rod are respectively connected to the outer ends of the two lifting rods 9, and the first driving member is fixedly disposed at the upper side of the lifting plate 6 and is used for driving the connecting rod 8 to lift relative to the lifting plate 6; in the specific embodiment, by arranging the first driving part, when the movable mold 5 needs to be lifted, the first driving part drives the connecting rod 8 to ascend relative to the lifting plate 6, so as to drive the outer ends of the two lifting rods 9 to move upwards, so that the lifting rods 9 rotate upwards around the hinge point, and further drive the lifting ring 11 to ascend for a certain distance, and further lift the movable mold 5 for a certain distance; according to the lever principle, the upward acting force applied to the lifting ring 11 is larger than the upward acting force applied to the connecting rod 8 by the first driving piece, so that the movable die 5 is subjected to the lifting acting force larger than that provided by the first driving piece, and in the first lifting mechanism, the lever principle is utilized, the sacrificial forming is performed to provide larger lifting acting force, so that the lifting mechanism is suitable for the initial stage of lifting the movable die 5.
According to the specific technical scheme in the embodiment, a first sliding groove is formed in the upper side of the outer end of a lifting rod 9, a first sliding block 10 is embedded in the first sliding groove and is configured in a sliding mode, and the end portion of a connecting rod 8 is hinged to the first sliding block 10; specifically, by arranging the sliding block, the requirement that the relative position of the end part of the connecting rod 8 and the lifting rod 9 can deviate in the rotating process of the lifting rod 9 can be met.
According to the specific technical scheme in the embodiment, a second sliding groove is formed in the upper side of the inner end of the lifting rod 9, a second sliding block 12 is embedded in the second sliding groove and slides, a mounting opening is formed in the second sliding block 12, and the lifting ring 11 penetrates through the mounting opening; specifically, by arranging the second sliding block 12, the requirement that the relative position of the lifting ring 11 and the lifting rod 9 can deviate in the rotation process of the lifting rod 9 can be met.
According to the specific technical scheme in the embodiment, the first driving part air cylinder 7 and the air cylinder 7 are fixedly arranged on the upper side of the lifting plate 6, and the output end of the first driving part air cylinder is fixedly connected with the middle part of the connecting rod 8.
In the preferred technical solution in this embodiment, the second lifting mechanism includes a winding wheel 15, a second driving member and a lifting rope 16, the winding wheel 15 is rotatably disposed on the upper side of the mounting plate 2, the second driving member is used for driving the winding wheel 15 to rotate, one end of the lifting rope 16 is wound on the winding wheel 15, and the lower end of the lifting rope is fixedly connected with the lifting plate 6; specifically, through the rotation of second driving piece drive winding wheel 15, carry out the wiring to connecting the rope to make and connect rope pulling lifter plate 6 and promote, the lifting force that the second was carried and is drawn the mechanism and provide is less, but the lift stroke is bigger, is applicable to the follow-up lifting stage of movable mould 5.
Wherein, the second driving member is a driving motor.
In a preferred embodiment of the present invention, the second pulling mechanism further includes a wire collecting tube 17, a dispersing plate 18 and guide wheels 19, the wire collecting tube 17 is disposed on the mounting plate 2, the dispersing plate 18 is fixedly disposed below the wire collecting tube 17, and the guide wheels 19 of the plurality of guide wheels 19 are rotatably disposed at the side of the dispersing plate 18; specifically, the upper ends of a plurality of lifting ropes 16 are wound around the winding wheel 15, pass through the take-up pipe 17, are scattered through the scattering plate 18, and are respectively steered through the corresponding guide wheels 19.
In the preferred technical solution of this embodiment, the second lifting mechanism further includes a limiting rod 20, and the limiting rod 20 is fixedly disposed on the mounting rod 3 and is used for limiting the lowest position where the lifting plate 6 can fall; specifically, by providing the stopper rod 20, the lifting plate 6 is finally abutted against the stopper rod 20 in the falling process, and is located at the lowest position.
The invention also provides a processing method convenient for demoulding, which comprises the following steps:
after the products in the fixed die 4 and the movable die 5 are cooled and formed, starting a first lifting mechanism, wherein in the first lifting mechanism, a first driving piece drives a connecting rod 8 to ascend relative to a lifting plate 6, and the connecting rod 8 drives the outer ends of two lifting rods 9 to move upwards, so that the lifting rods 9 rotate upwards around a hinged point to drive a lifting ring 11 to ascend for a certain distance, and the movable die 5 is lifted for a certain distance;
after the first lifting mechanism finishes running, starting a second lifting mechanism, wherein in the second lifting mechanism, a second driving piece drives a winding wheel 15 to rotate, and the connecting rope is wound, so that the connecting rope pulls a lifting plate 6 to lift, and then the movable mold 5 is continuously driven to lift for a larger distance;
in the embodiment applying the above technical scheme, according to the lever principle, the upward acting force applied to the lifting ring 11 in the first lifting mechanism is greater than the upward acting force applied to the connecting rod 8 by the first driving member, so that the movable mold 5 is subjected to the lifting acting force greater than that provided by the first driving member, and in the first lifting mechanism, the lever principle is utilized to sacrificially form the lifting acting force to provide a greater lifting acting force, so that the first lifting mechanism is suitable for the initial stage of lifting the movable mold 5;
in the second lifting mechanism, the second driving piece drives the winding wheel 15 to rotate to wind the connecting rope, so that the connecting rope pulls the lifting plate 6 to lift, the lifting force provided by the second lifting mechanism is small, but the lifting stroke is large, and the second lifting mechanism is suitable for the subsequent lifting stage of the movable mold 5;
this carry and draw movable mould 5's technical scheme compares in prior art single device of carrying and drawing, and the drive power of two kinds of equidimensions of reasonable setting acts on the different stages in the 5 promotion processes of movable mould respectively, and then carries and draws the pertinence stronger, has avoided the power of carrying and drawing device to spill over.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An injection mold convenient to drawing of patterns, characterized by includes:
a mounting frame;
the fixed die (4) is fixedly arranged at the bottom end of the mounting frame, and the movable die (5) is arranged above the fixed die (4);
the lower end of the first lifting mechanism is connected with the movable die (5) and is used for providing a first driving force required for lifting the movable die (5);
the second lifting mechanism is arranged at the top end of the mounting frame, the lower end of the second lifting mechanism is connected with the first mechanism, and the second lifting mechanism is used for providing a second driving force required by lifting the movable die (5);
wherein the first driving force provided by the first lifting mechanism is greater than the second driving force provided by the second lifting mechanism;
the first lifting mechanism comprises a lifting plate (6), a first driving piece, a connecting rod (8), a lifting rod (9) and a lifting ring (11), the lifting plate (6) is arranged at the lower end of the second lifting mechanism, and the middle part of the lower side is fixedly connected with a mounting block (13), a pair of lifting rods (9) are symmetrically arranged on the lower side of the lifting plate (6), the inner end of the lifting rod (9) is hinged with the mounting block (13), the lower side of the lifting ring (11) is abutted against the upper side of the lifting rod (9), and is fixedly connected with the movable mould (5) through a connecting block (14), the connecting rod (8) is of a U-shaped structure, and both ends of the lifting rod are respectively connected with the outer ends of the two lifting rods (9), the first driving piece is fixedly arranged on the upper side of the lifting plate (6), the lifting plate is used for driving the connecting rod (8) to lift relative to the lifting plate (6);
the second lifting mechanism comprises a rolling wheel (15), a second driving piece and a lifting rope (16), the rolling wheel (15) is rotatably arranged on the upper side of the mounting plate (2), the second driving piece is used for driving the rolling wheel (15) to rotate, one end of the lifting rope (16) is wound on the rolling wheel (15), and the lower end of the lifting rope is fixedly connected with the lifting plate (6);
the processing method of the injection mold convenient for demolding comprises the following steps:
after products in the fixed die (4) and the movable die (5) are cooled and formed, starting a first lifting mechanism, wherein a first driving piece drives a connecting rod (8) to ascend relative to a lifting plate (6) in the first lifting mechanism, and the connecting rod (8) drives the outer ends of two lifting rods (9) to move upwards, so that the lifting rods (9) rotate upwards around hinged joints to drive a lifting ring (11) to ascend for a certain distance, and the movable die (5) is lifted for a certain distance;
after the first lifting mechanism finishes running, a second lifting mechanism is started, in the second lifting mechanism, a second driving piece drives a winding wheel (15) to rotate, the connecting rope is wound, the connecting rope pulls a lifting plate (6) to lift, and then the movable die (5) is continuously driven to lift for a larger distance;
a first sliding groove is formed in the upper side of the outer end of the lifting rod (9), a first sliding block (10) is embedded in the first sliding groove and is arranged in a sliding mode, and the end portion of the connecting rod (8) is hinged to the first sliding block (10); a second sliding groove is formed in the upper side of the inner end of the lifting rod (9), a second sliding block (12) is embedded in the second sliding groove and slides, a mounting opening is formed in the second sliding block (12), and the lifting ring (11) penetrates through the mounting opening.
2. An injection mould facilitating demoulding according to claim 1, wherein the mounting frame comprises a base (1) and a mounting plate (2) and a mounting rod (3), the mounting plate (2) is fixedly arranged above the base (1) through the mounting rod (3), and the fixed mould (4) is fixedly arranged on the upper side of the base (1).
3. An injection mould facilitating demoulding according to claim 1, wherein the first driving member cylinder (7), the cylinder (7) is fixedly arranged on the upper side of the lifting plate (6), and the output end of the cylinder is fixedly connected with the middle part of the connecting rod (8).
4. An injection mold facilitating demolding according to claim 1, wherein the second lifting mechanism further comprises a line collecting pipe (17), a dispersion plate (18) and guide wheels (19), the line collecting pipe (17) is arranged on the mounting plate (2) in a penetrating manner, the dispersion plate (18) is fixedly arranged below the line collecting pipe (17), and the guide wheels (19) of the guide wheels (19) are arranged on the side of the dispersion plate (18) in a rotating manner.
5. An injection mould facilitating demoulding according to claim 4, wherein the second lifting mechanism further comprises a limiting rod (20), and the limiting rod (20) is fixedly arranged on the mounting rod (3) and used for limiting the lowest position where the lifting plate (6) can fall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460513.0A CN113146974B (en) | 2021-04-27 | 2021-04-27 | Injection mold convenient for demolding and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460513.0A CN113146974B (en) | 2021-04-27 | 2021-04-27 | Injection mold convenient for demolding and processing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113146974A CN113146974A (en) | 2021-07-23 |
| CN113146974B true CN113146974B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110460513.0A Active CN113146974B (en) | 2021-04-27 | 2021-04-27 | Injection mold convenient for demolding and processing method thereof |
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| CN (1) | CN113146974B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1541605A2 (en) * | 2003-12-05 | 2005-06-15 | Henkel Kommanditgesellschaft auf Aktien | Panels and moulded parts based on polyurethane binders |
| CN110355936A (en) * | 2019-06-03 | 2019-10-22 | 邓明星 | A kind of link-type syntype injection mold |
| CN209579946U (en) * | 2018-12-18 | 2019-11-05 | 漳浦县恒德石墨烯应用科技有限公司 | Mold is used in a kind of production of graphite |
-
2021
- 2021-04-27 CN CN202110460513.0A patent/CN113146974B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1541605A2 (en) * | 2003-12-05 | 2005-06-15 | Henkel Kommanditgesellschaft auf Aktien | Panels and moulded parts based on polyurethane binders |
| CN209579946U (en) * | 2018-12-18 | 2019-11-05 | 漳浦县恒德石墨烯应用科技有限公司 | Mold is used in a kind of production of graphite |
| CN110355936A (en) * | 2019-06-03 | 2019-10-22 | 邓明星 | A kind of link-type syntype injection mold |
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| CN113146974A (en) | 2021-07-23 |
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