CN114379030B - Blowing shoe mold capable of automatically disassembling and assembling mold, automatic injection molding equipment and injection molding method - Google Patents
Blowing shoe mold capable of automatically disassembling and assembling mold, automatic injection molding equipment and injection molding method Download PDFInfo
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- CN114379030B CN114379030B CN202111660389.9A CN202111660389A CN114379030B CN 114379030 B CN114379030 B CN 114379030B CN 202111660389 A CN202111660389 A CN 202111660389A CN 114379030 B CN114379030 B CN 114379030B
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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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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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
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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
- B29C45/1742—Mounting of moulds; Mould supports
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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
- B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention relates to the technical field of blowing shoe molds, in particular to a blowing shoe mold capable of automatically disassembling and assembling the mold, automatic injection molding equipment and an injection molding method. The blowing shoe mold comprises a bottom mold, a first top mold and a second top mold, wherein a first turning rod is arranged at the rear end of the first top mold, a second turning rod is arranged at the rear end of the second top mold, a driving groove is arranged at the bottom of a tongue movable insert of the bottom mold, and mounting holes are formed at the bottoms of a left mold cavity and a right mold cavity of the bottom mold; the automatic injection molding equipment comprises a top die overturning mechanism and a bottom die opening and closing mechanism. The advantages are that: through improving the shoe mold of blowing, make it be convenient for cooperate automation equipment to carry out automatic opening and closing die, combine the promotion mechanical system of tongue movable insert with the rotation actuating mechanism of control die cavity ingeniously simultaneously, can realize the automatic opening and closing die of die block with only a straight line reciprocating actuating mechanism, combine a top mould tilting mechanism, realize automatic change top mould, reach automatic injection molding, improve the beneficial effect of efficiency and quality of moulding plastics.
Description
Technical Field
The invention relates to the technical field of blowing shoe molds, in particular to a blowing shoe mold capable of automatically disassembling and assembling the mold, automatic injection molding equipment and an automatic injection molding method.
Background
The blowing shoe mold is used as a mold for processing a shoe body, and after the mold opening is completed by injection molding, the shoe body is stuck on the shoe body insert so that the shoe body is difficult to take out by utilizing a mechanical structure, and therefore, the operations of opening and closing the mold, taking out the shoe body and the like are still performed manually. However, in the blowing shoe mold, in order to make the shoe body structure more flexible, the blowing shoe mold needs to be improved, the mold opening and closing steps of the improved blowing shoe mold are complicated, the mold opening and closing operation is performed manually, the work efficiency is low, errors are easy to occur, and the injection molding efficiency of the shoe body is greatly limited.
Disclosure of Invention
The invention aims to provide an automatic mold opening and closing air blowing shoe mold capable of automatically disassembling and assembling, corresponding automatic injection molding equipment and an automatic injection molding method, so as to solve the problem of automatic mold opening and closing of the air blowing shoe mold with a complex structure.
In order to achieve the above purpose, the invention adopts the following technical scheme: the blowing shoe mold comprises a bottom mold, a first top mold and a second top mold, wherein the first top mold and the second top mold are respectively arranged at the left side and the right side of the bottom mold through hinge structures, the bottom mold comprises a fixed base, a shoe body insert fixed on the fixed base, a shoe tongue insert arranged at the front end of the fixed base and in sliding connection with the fixed base, and a left mold cavity and a right mold cavity which are rotatably connected with the rear end of the fixed base; the rear end of the first top die is provided with a first turning rod, the rear end of the second top die is provided with a second turning rod, the bottom of the tongue insert is provided with a driving groove, the bottom of the left die cavity is provided with a left driving block mounting hole, and the bottom of the right die cavity is provided with a right driving block mounting hole.
Specifically, the driving groove at the bottom of the tongue insert is provided with a bevel part towards one side of the shoe body insert, and the other side is provided with a vertical part.
The automatic injection molding equipment for the blowing shoe mold capable of automatically disassembling and assembling comprises a fixed table, an injection molding device, a blowing device and an automatic mold opening and assembling device which is driven by matching with the blowing shoe mold, wherein the fixed table is provided with a mold fixing position for fixing the blowing shoe mold, and the automatic mold opening and assembling device comprises a top mold overturning mechanism and a bottom mold opening and assembling mechanism; the top die overturning mechanism is arranged above the fixed table and consists of a first overturning mechanical arm and a second overturning mechanical arm which are symmetrical relative to the die fixing position; the bottom die mold opening and closing mechanism is arranged below the fixed table and comprises a shoe tongue insert push rod for driving the shoe tongue movable insert to move back and forth, a left driving rod and a left driving block for driving a left die cavity of the blowing shoe die to open and close and rotate, and a right driving rod and a right driving block for driving a right die cavity of the blowing shoe die to open and close and rotate, wherein the shoe tongue insert push rod is in driving connection by a linear reciprocating driving mechanism, and the shoe tongue insert push rod is simultaneously in rotatable connection with the left driving rod and the right driving rod.
Specifically, a tongue insert driving block is arranged on the tongue insert pushing rod and is connected with a driving groove at the bottom of the tongue insert in a matched manner; the fixed table is provided with a limiting chute, the tongue insert push rod is in sliding connection with the limiting chute, and the tongue insert driving block penetrates through the limiting chute and is connected with a driving groove at the bottom of the tongue insert.
Specifically, a spring is arranged between the shoe tongue insert driving block and the shoe tongue insert pushing rod, a driving inclined plane is arranged on one side of the shoe tongue insert driving block, which faces the blowing shoe mold, and a clamping vertical plane is arranged on the other side of the shoe tongue insert driving block.
Specifically, the top die overturning mechanism is arranged on a reciprocating driving sliding seat.
Specifically, a first overturning mechanical arm of the top die overturning mechanism comprises a first overturning motor, a first driving arm and a first driving sleeve fixed on the first driving arm, and a second overturning mechanical arm comprises a second overturning motor, a second driving arm and a second driving sleeve fixed on the second driving arm; the first driving sleeve is in sleeve joint fit with a first overturning rod of a first top die of the blowing shoe die, and the first driving sleeve is in sleeve joint fit with a second overturning rod of a second top die of the blowing shoe die.
The method for automatically injecting the blowing shoe mold by using the automatic injection equipment comprises the following steps:
s01, preparing, wherein the blowing shoe mold is fixedly arranged on a fixed table of automatic injection molding equipment, in an initial state, a first top mold and a second top mold of the blowing shoe mold are outwards opened, a left mold cavity and a right mold cavity are outwards opened, and a movable insert of a shoe tongue is positioned at a position far away from the insert of the shoe body.
S02, die assembly of the bottom die, wherein a tongue insert pushing rod of the automatic injection molding equipment is driven by a linear reciprocating driving mechanism to push forward, so that the tongue movable insert is pushed to be matched with the shoe body insert, and when the tongue insert pushing rod is pushed forward, the left die cavity and the right die cavity are driven by a left driving rod and a right driving rod to rotate inwards to be matched with the shoe body insert and the tongue movable insert, so that die assembly of the bottom die is completed.
S03, injection molding, wherein the top mold overturning mechanism is driven by the reciprocating driving sliding seat to approach the air blowing mold to enable the first driving sleeve of the first overturning mechanical arm to be matched with the first overturning rod of the first top mold, the second driving sleeve of the second overturning mechanical arm is matched with the second overturning rod of the second top mold, the first overturning mechanical arm is used for inwards overturning the first top mold to be matched with the bottom mold, then the injection molding device and the air blowing device are connected with the air blowing shoe mold for air blowing injection molding, after one-time injection molding is completed, the first overturning mechanical arm is used for driving the first top mold to outwards overturn, the second overturning mechanical arm is used for driving the second top mold to inwards overturn to be matched with the bottom mold, and the injection molding device and the air blowing device are connected with the air blowing shoe mold for secondary air blowing injection molding, so that the injection molding of the shoe body is completed.
S04, opening the mold, wherein the second turnover mechanical arm drives the second top mold to turn outwards, the top mold turnover mechanism is driven by the reciprocating driving sliding seat to be far away from the blowing mold, the tongue insert push rod is driven by the linear reciprocating driving mechanism to move backwards, when the tongue insert push rod moves backwards, the left mold cavity and the right mold cavity are driven by the left driving rod and the right driving rod to spread outwards, and meanwhile, the tongue movable insert is driven to be far away from the shoe body insert, so that the mold opening is completed, and finally, the shoe body after injection molding on the shoe body insert is taken out, and the next injection molding process can be carried out.
Specifically, in the step S02, the forward pushing of the tongue insert pushing rod includes two pushing steps: 1) The tongue insert pushing rod pushes the tongue movable insert forwards to move forwards to be just matched with the shoe body insert, and at the moment, the left die cavity and the right die cavity are not folded yet; 2) The tongue insert pushing rod is pushed forward continuously, and at the moment, the tongue insert driving block on the tongue insert pushing rod is pressed downwards so as to be separated from the driving groove at the bottom of the tongue movable insert, so that the tongue insert pushing rod can move forward continuously, and the left die cavity and the right die cavity are driven to rotate inwards continuously until being combined with the shoe body insert and the tongue movable insert; correspondingly, in step S04, the backward movement of the tongue insert push rod also includes a two-end movement process: 1) The shoe tongue insert pushing rod moves backwards to enable the left die cavity and the right die cavity to be outwards unfolded firstly until a shoe tongue insert driving block on the shoe tongue insert pushing rod reaches a driving groove at the bottom of the shoe tongue movable insert; 2) The tongue insert pushing rod continues to move backwards, and the tongue insert driving block is clamped in the driving groove so as to push the tongue movable insert to be far away from the shoe body insert, and meanwhile, the left die cavity and the right die cavity are driven to continue to be unfolded outwards.
The invention has the advantages that: through improving the shoe mold of blowing, make it be convenient for cooperate automation equipment to carry out automatic opening and closing die, combine the promotion mechanical system of tongue movable insert with the rotation actuating mechanism of control die cavity ingeniously simultaneously, can realize the automatic opening and closing die of die block with only a straight line reciprocating actuating mechanism, combine a top mould tilting mechanism, realize automatic change top mould, reach automatic injection molding, improve the beneficial effect of efficiency and quality of moulding plastics.
Drawings
FIG. 1 is a state diagram of an embodiment in which a blow shoe mold is fully unfolded;
FIG. 2 is a state diagram of the combined bottom molds of the air blowing shoe mold in the embodiment;
FIG. 3 is a state diagram of the first top mold of the blow shoe mold after being closed in the embodiment;
FIG. 4 is a state diagram of the second top mold of the blow shoe mold after being closed in the embodiment;
FIG. 5 is a specific structural view of the bottom mold in the embodiment;
FIG. 6 is an overall block diagram of an automatic mold opening and closing apparatus of an automatic injection molding machine in an embodiment;
FIG. 7 is a bottom view of an automatic mold opening and closing apparatus according to an embodiment;
fig. 8 is a specific structural view of the mold opening and closing mechanism for the bottom mold in the embodiment.
Detailed Description
1, referring to fig. 1-5, an automatic mold-disassembling blowing shoe mold comprises a bottom mold 1, a first top mold 21 and a second top mold 22, wherein the first top mold 21 and the second top mold 22 are respectively arranged on the left side and the right side of the bottom mold 1 through hinge structures, the bottom mold 1 comprises a fixed base 11, a shoe body insert 12 fixed on the fixed base 11, a shoe tongue insert 13 arranged at the front end of the fixed base 11 and in sliding connection with the fixed base 11, and a left mold cavity 14 and a right mold cavity 15 in rotatable connection with the rear end of the fixed base 11; the rear end of the first top module 21 is provided with a first turning rod 23, the rear end of the second top module 22 is provided with a second turning rod 24, the bottom of the tongue movable insert 13 is provided with a driving groove 131, the bottom of the left die cavity 14 is provided with a left driving block mounting hole 141, and the bottom of the right die cavity 15 is provided with a right driving block mounting hole 151.
In the present embodiment, when the blowing shoe mold is injection molded, the first top mold 21 and the second top mold 22 are combined with the bottom mold 1 in sequence and respectively injection mold the shoe bodies, so that sole structures with different colors or different materials can be formed, in addition, the bottom mold 1 is composed of a shoe body insert 12 fixedly arranged, a tongue movable insert 13 capable of moving back and forth relative to the shoe body insert 12, and a left mold cavity 14 and a right mold cavity 15 on two sides, so that a relatively complex shoe body structure can be formed, and various demands of markets on the shoe body structure are satisfied. Therefore, when the blowing shoe mold of this embodiment is used for mold closing and injection molding, the tongue movable insert 13 of the bottom mold 1 needs to be pushed to be matched with the shoe body insert 12, then the left mold cavity 14 and the right mold cavity 15 are rotated inwards to be combined with the shoe body insert 12 to form the bottom mold 1, the first top mold 21 and the second top mold 22 are turned inwards to be matched with the bottom mold 1 for injection molding, after the injection molding is completed, the second top mold 22 needs to be turned outwards to be opened, the left mold cavity 14 and the right mold cavity 15 are opened, and then the tongue movable insert 13 is pulled out, so that the shoe body on the shoe body insert 12 can be taken out, and the next mold closing and injection molding process can be carried out. Therefore, the mold opening and closing operation flow is complex, a large amount of time for manually opening and closing the mold is required, the injection speed of the mold opening and closing device and the injection speed of the injection molding device cannot be well matched, and the injection molding efficiency of the shoe body is greatly limited. Therefore, the first turning rod 23 and the second turning rod 24 can be used for matching with mechanical equipment to automatically turn and open and close the mold through arranging the left driving block mounting hole 141 and the right driving block mounting hole 151 at the bottoms of the left mold cavity 14 and the right mold cavity 15 respectively, and can be used for matching with the mechanical equipment to automatically spread, and the driving groove 131 is arranged at the bottom of the tongue movable insert 13 and can be matched with the mechanical equipment to automatically move, so that the blowing mold is convenient to match with the automatic mechanical equipment to automatically open and close the mold, and the injection molding efficiency is improved.
Wherein, the driving groove 131 at the bottom of the tongue movable insert 13 is provided with a bevel part towards one side of the shoe body insert, and the other side is provided with a vertical part.
Referring to fig. 6-8, the embodiment further provides an automatic injection molding device for the blowing shoe mold capable of automatically disassembling and assembling the mold, which comprises a fixing table 3, an injection molding device, a blowing device and an automatic mold opening and assembling device which is driven by matching with the blowing shoe mold, wherein a mold fixing position 31 for fixing the blowing shoe mold is arranged on the fixing table 3, and the automatic mold opening and assembling device comprises a top mold overturning mechanism 4 and a bottom mold opening and assembling mechanism 5; the top die overturning mechanism 4 is arranged above the fixed table 3 and consists of a first overturning mechanical arm 41 and a second overturning mechanical arm 42 which are symmetrical relative to the die fixed position 31; the bottom die opening and closing die mechanism 5 is arranged below the fixed table 3 and comprises a tongue insert push rod 51 for driving the tongue movable insert 13 to move forwards and backwards, a left driving rod 52 and a left driving block 53 for driving the left die cavity 14 of the blowing shoe die to open and rotate, and a right driving rod 54 and a right driving block 55 for driving the right die cavity 15 of the blowing shoe die to open and rotate, wherein the tongue insert push rod 51 is in driving connection by a straight line reciprocating driving mechanism, and the tongue insert push rod 51 is simultaneously in rotatable connection with the left driving rod 52 and the right driving rod 54.
The top die overturning mechanism 4 is used for being connected with the first top die 21 and the second top die 22 to carry out overturning operation, the tongue insert push rod 51 is directly matched with the tongue movable insert 13 to drive the front and back movement of the tongue movable insert 13, and meanwhile, when the tongue insert push rod 51 moves forwards and backwards, the left die cavity 14 and the right die cavity 15 are driven to be folded or unfolded through the left driving rod 52 and the right driving rod 54, so that the purposes of automatic die opening and closing without manual operation are achieved; wherein the tongue insert push rod 51 may be driven by a linear reciprocating drive mechanism, and in particular may be driven by a linear drive cylinder.
Specifically, a tongue insert driving block 511 is arranged on the tongue insert pushing rod 51, and the tongue insert driving block 511 is connected with a driving groove 131 at the bottom of the tongue movable insert 13 in a matching way; the fixed table 3 is provided with a limit chute 32, a tongue insert push rod 51 is in sliding connection with the limit chute 32, and a tongue insert driving block 511 passes through the limit chute 51 to be connected with a driving groove 131 at the bottom of the tongue movable insert 13; a spring is arranged between the shoe tongue insert driving block 511 and the shoe tongue insert pushing rod 51, a driving inclined surface 512 is arranged on one side of the shoe tongue insert driving block 511 facing the blowing shoe mold, and a clamping vertical surface 513 is arranged on the other side. When the tongue insert push rod 51 starts to push forward, the tongue insert push rod 511 is matched with the driving groove 131 at the bottom of the tongue movable insert 13 so as to push the tongue movable insert 13 to move towards the shoe body insert 12 and be matched with the shoe body insert 12, after the tongue movable insert 13 is matched with the shoe body insert 12, the tongue movable insert 13 is not moved any more, the tongue insert push rod 511 is pushed down by the tongue insert push rod 51 so as to be separated from the driving groove 131, and the tongue insert push rod 51 continues to move forward so as to drive the left die cavity 14 and the right die cavity 15 to be continuously folded until the left die cavity 14 and the right die cavity 15 are matched with the shoe body insert 12 to form a complete bottom die 1.
Specifically, the top mold overturning mechanism 4 is arranged on a reciprocating driving sliding seat 43; the first turning mechanical arm 41 of the top mold turning mechanism 4 comprises a first turning motor 411, a first driving arm 412 and a first driving sleeve 413 fixed on the first driving arm 412, and the second turning mechanical arm 42 comprises a second turning motor 421, a second driving arm 422 and a second driving sleeve 423 fixed on the second driving arm 422; the first driving sleeve 413 is in sleeve joint with the first turning rod 23 of the first top module 21 of the blowing shoe module, and the second driving sleeve 423 is in sleeve joint with the second turning rod 24 of the second top module 22 of the blowing shoe module. When the bottom die is opened and closed, the first top die 21 and the second top die 22 move along with the left die cavity 14 and the right die cavity 15, so that the top die turnover mechanism 4 is arranged on a reciprocating driving sliding seat 43, when the bottom die 1 is opened and closed, the top die turnover mechanism 4 is driven by the reciprocating driving sliding seat 43 to be far away from the blowing die, and when the bottom die 1 is closed, the first driving arm 41 and the second driving arm 42 close to the blowing die enable the top die turnover mechanism 4 to be matched with the first top die 21 and the second top die 22 respectively for turnover injection molding; wherein the reciprocating drive slide 43 may be a screw-driven slide.
Corresponding to the blowing shoe mold and the automatic injection molding equipment, the embodiment also provides an automatic injection molding method, which comprises the following steps:
s01, preparing, wherein the blowing shoe mold is fixedly arranged on a fixed table 3 of automatic injection molding equipment, in an initial state, a first top mold 21 and a second top mold 22 of the blowing shoe mold are outwards opened, a left mold cavity 14 and a right mold cavity 15 are outwards opened, and a tongue movable insert 13 is positioned at a position far away from a shoe body insert 12.
S02, die assembly of the bottom die, wherein a tongue insert push rod 51 of the automatic injection molding equipment is driven by a linear reciprocating driving mechanism to push forwards, so that the tongue movable insert 13 is pushed to be matched with the shoe body movable insert 12, and when the tongue insert push rod 51 is pushed forwards, the left die cavity 14 and the right die cavity 15 are driven by a left driving rod 52 and a right driving rod 54 to rotate inwards to be matched with the shoe body insert 12 and the tongue movable insert 13, so that die assembly of the bottom die 1 is completed.
S03, injection molding, wherein the top mold overturning mechanism 4 is driven by the reciprocating driving sliding seat 43 to approach the blowing mold, so that the first driving sleeve 413 of the first overturning mechanical arm 41 is matched with the first overturning rod 23 of the first top mold 21, the second driving sleeve 423 of the second overturning mechanical arm 42 is matched with the second overturning rod 24 of the second top mold 22, the first overturning mechanical arm 41 is used for inwards overturning the first top mold 21 to be matched with the bottom mold, then the injection molding device and the blowing device are connected with the blowing shoe mold for blowing injection molding, after the primary injection molding is finished, the first overturning mechanical arm 41 is used for outwards overturning the first top mold 21, the second overturning mechanical arm 42 is used for inwards overturning to be matched with the bottom mold, and the injection molding device and the blowing device are connected with the blowing shoe mold for secondary blowing injection molding, so that the injection molding of the shoe body is finished.
S04, opening the mold, wherein the second turnover mechanical arm 42 drives the second top mold 22 to turn outwards, the top mold turnover mechanism 4 is driven by the reciprocating driving sliding seat 43 to be far away from the blowing mold, the tongue insert push rod 51 is driven by the linear reciprocating driving mechanism to move backwards, when the tongue insert push rod 51 moves backwards, the left mold cavity 14 and the right mold cavity 15 are driven by the left driving rod 52 and the right driving rod 54 to be unfolded outwards, and meanwhile, the tongue movable insert 13 is driven to be far away from the shoe body insert 12, so that the mold opening is completed, and finally, the shoe body after injection molding on the shoe body insert 12 is taken out, and the next injection molding process can be carried out.
The automatic injection molding method of the embodiment combines the driving of the tongue movable insert 13 with the rotation driving of the left die cavity 14 and the right die cavity 15 by using a mechanical linkage mode, and is uniformly driven by the tongue insert push rod 51, thereby effectively simplifying the mechanical structure of automatic die opening and closing and ensuring the correct die opening and closing.
Wherein, in the step S02, the forward pushing of the tongue insert push rod 51 includes two pushing steps: 1) The tongue insert push rod 51 pushes the tongue movable insert 13 forward to just engage with the shoe body insert 12, while the left and right mold cavities 14 and 15 are not yet closed; 2) The tongue insert push rod 51 continues to push forward, at this time, the tongue insert driving block 511 on the tongue insert push rod 51 is pressed downward to disengage from the driving groove 131 at the bottom of the tongue movable insert 13, so that the tongue insert push rod 51 can continue to move forward, and the left die cavity 14 and the right die cavity 15 are continuously driven to rotate inwards to be combined with the shoe body insert 12 and the tongue movable insert 13; correspondingly, in step S04, the backward movement of the tongue insert push rod 51 also includes a two-end movement process: 1) The tongue insert push rod 51 moves backwards to enable the left die cavity 14 and the right die cavity 15 to be unfolded outwards firstly until the tongue insert driving block 511 on the tongue insert push rod 51 reaches the driving groove 131 at the bottom of the tongue movable insert 13; 2) The tongue insert push rod 51 continues to move rearward, and the tongue insert driving block 511 snaps into the driving recess 131 to push the tongue movable insert 13 away from the shoe body insert 12 while driving the left and right mold cavities 14, 15 to continue to expand outwardly. In the further automatic injection molding method, the tongue movable insert 13 is matched with the shoe body insert 12 before the left die cavity 14 and the right die cavity 15 by utilizing the two-stage pushing process of the tongue insert pushing rod 51, so that the die assembly accuracy is improved, and correspondingly, when the tongue insert pushing rod 51 retreats, the left die cavity 14 and the right die cavity 15 are opened firstly, and then the tongue movable insert 13 is driven to leave, so that the die opening accuracy is improved.
Of course, the above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all equivalent modifications made in the principles of the present invention are included in the scope of the present invention.
Claims (8)
1. An automatic die disassembly blowing shoe die, which is characterized in that: the bottom die comprises a fixed base, a shoe body insert fixed on the fixed base, a shoe tongue insert arranged at the front end of the fixed base and in sliding connection with the fixed base, and a left die cavity and a right die cavity which are rotatably connected with the rear end of the fixed base; the rear end of the first top die is provided with a first turning rod, the rear end of the second top die is provided with a second turning rod, the bottom of the tongue insert is provided with a driving groove, the bottom of the left die cavity is provided with a left driving block mounting hole, and the bottom of the right die cavity is provided with a right driving block mounting hole; the driving groove at the bottom of the tongue insert is provided with a bevel part towards one side of the shoe body insert, and the other side is provided with a vertical part.
2. An automatic injection molding apparatus for an automatically detachable blow shoe mold according to claim 1, comprising a fixing table, an injection molding device, a blow molding device and an automatic mold opening and closing device driven in cooperation with the blow shoe mold, wherein a mold fixing position for fixing the blow shoe mold is provided on the fixing table, characterized in that: the automatic mold opening and closing device comprises a top mold overturning mechanism and a bottom mold opening and closing mechanism; the top die overturning mechanism is arranged above the fixed table and consists of a first overturning mechanical arm and a second overturning mechanical arm which are symmetrical relative to the die fixing position; the bottom die mold opening and closing mechanism is arranged below the fixed table and comprises a shoe tongue insert push rod for driving the shoe tongue movable insert to move back and forth, a left driving rod and a left driving block for driving a left die cavity of the blowing shoe die to open and close and rotate, and a right driving rod and a right driving block for driving a right die cavity of the blowing shoe die to open and close and rotate, wherein the shoe tongue insert push rod is in driving connection by a linear reciprocating driving mechanism, and the shoe tongue insert push rod is simultaneously in rotatable connection with the left driving rod and the right driving rod.
3. An automatic injection molding apparatus as claimed in claim 2, wherein: a tongue insert driving block is arranged on the tongue insert pushing rod and is connected with a driving groove at the bottom of the tongue insert in a matched manner; the fixed table is provided with a limiting chute, the tongue insert push rod is in sliding connection with the limiting chute, and the tongue insert driving block penetrates through the limiting chute and is connected with a driving groove at the bottom of the tongue insert.
4. An automatic injection molding apparatus according to claim 3, wherein: a spring is arranged between the shoe tongue insert driving block and the shoe tongue insert pushing rod, a driving inclined plane is arranged on one side of the shoe tongue insert driving block, facing the blowing shoe mold, and a clamping vertical plane is arranged on the other side of the shoe tongue insert driving block.
5. An automatic injection molding apparatus as claimed in claim 4, wherein: the top die overturning mechanism is arranged on a reciprocating driving sliding seat.
6. An automatic injection molding apparatus as claimed in claim 5, wherein: the first overturning mechanical arm of the top die overturning mechanism comprises a first overturning motor, a first driving arm and a first driving sleeve fixed on the first driving arm, and the second overturning mechanical arm comprises a second overturning motor, a second driving arm and a second driving sleeve fixed on the second driving arm; the first driving sleeve is in sleeve joint fit with a first overturning rod of a first top die of the blowing shoe die, and the first driving sleeve is in sleeve joint fit with a second overturning rod of a second top die of the blowing shoe die.
7. An automatic injection molding method, characterized by using an automatic injection molding apparatus according to claim 6 and an automatically detachable blow mold according to claim 1 for automatic injection molding, comprising the steps of:
s01, preparing, namely fixedly arranging the blowing shoe mold on a fixed table of automatic injection molding equipment, wherein in an initial state, a first top mold and a second top mold of the blowing shoe mold are outwards opened, a left mold cavity and a right mold cavity are outwards opened, and a movable insert of a shoe tongue is positioned at a position far away from an insert of a shoe body;
s02, die assembly of the bottom die, wherein a tongue insert pushing rod of the automatic injection molding equipment is driven by a linear reciprocating driving mechanism to push forwards, so that the tongue movable insert is pushed to be matched with the shoe body insert;
s03, injection molding, wherein a top mold overturning mechanism is driven by a reciprocating driving sliding seat to approach a blowing mold to enable a first driving sleeve of a first overturning mechanical arm to be matched with a first overturning rod of a first top mold, and a second driving sleeve of a second overturning mechanical arm is matched with a second overturning rod of a second top mold, the first top mold is firstly matched with a bottom mold in an inwards overturning manner by the first overturning mechanical arm, then the injection molding device and the blowing device are connected with the blowing shoe mold for blowing injection, after primary injection molding is completed, the first overturning mechanical arm drives the first top mold to outwards overturn, and then the second overturning mechanical arm drives the second top mold to inwards overturn to be matched with the bottom mold, and the injection molding device and the blowing device are connected with the blowing shoe mold for secondary blowing injection molding, so that the injection molding of a shoe body is completed;
s04, opening the mold, wherein the second turnover mechanical arm drives the second top mold to turn outwards, the top mold turnover mechanism is driven by the reciprocating driving sliding seat to be far away from the blowing mold, the tongue insert push rod is driven by the linear reciprocating driving mechanism to move backwards, when the tongue insert push rod moves backwards, the left mold cavity and the right mold cavity are driven by the left driving rod and the right driving rod to spread outwards, and meanwhile, the tongue movable insert is driven to be far away from the shoe body insert, so that the mold opening is completed, and finally, the shoe body after injection molding on the shoe body insert is taken out, and the next injection molding process can be carried out.
8. An automatic injection molding method according to claim 7, wherein: in the step S02, the forward pushing of the tongue insert pushing rod includes two pushing steps: 1) The tongue insert pushing rod pushes the tongue movable insert forwards to move forwards to be just matched with the shoe body insert, and at the moment, the left die cavity and the right die cavity are not folded yet; 2) The tongue insert pushing rod is pushed forward continuously, and at the moment, the tongue insert driving block on the tongue insert pushing rod is pressed downwards so as to be separated from the driving groove at the bottom of the tongue movable insert, so that the tongue insert pushing rod can move forward continuously, and the left die cavity and the right die cavity are driven to rotate inwards continuously until being combined with the shoe body insert and the tongue movable insert; correspondingly, in step S04, the backward movement of the tongue insert push rod also includes two movement processes: 1) The shoe tongue insert pushing rod moves backwards to enable the left die cavity and the right die cavity to be outwards unfolded firstly until a shoe tongue insert driving block on the shoe tongue insert pushing rod reaches a driving groove at the bottom of the shoe tongue movable insert; 2) The tongue insert pushing rod continues to move backwards, and the tongue insert driving block is clamped in the driving groove so as to push the tongue movable insert to be far away from the shoe body insert, and meanwhile, the left die cavity and the right die cavity are driven to continue to be unfolded outwards.
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| CN202111660389.9A CN114379030B (en) | 2021-12-30 | 2021-12-30 | Blowing shoe mold capable of automatically disassembling and assembling mold, automatic injection molding equipment and injection molding method |
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| CN114379030A (en) | 2022-04-22 |
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