CN114536679B - Injection molding machine for producing environment-friendly clothes hangers and injection molding method thereof - Google Patents

Injection molding machine for producing environment-friendly clothes hangers and injection molding method thereof Download PDF

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Publication number
CN114536679B
CN114536679B CN202210203140.3A CN202210203140A CN114536679B CN 114536679 B CN114536679 B CN 114536679B CN 202210203140 A CN202210203140 A CN 202210203140A CN 114536679 B CN114536679 B CN 114536679B
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China
Prior art keywords
injection molding
mold core
supporting seat
extrusion
molding machine
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CN202210203140.3A
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CN114536679A (en
Inventor
甘惠贞
甘惠标
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Guangxi Wuzhou Rixin Plastic Industrial Co ltd
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Guangxi Wuzhou Rixin Plastic Industrial Co ltd
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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
    • 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
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
    • Y02B40/18—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers using renewables, e.g. solar cooking stoves, furnaces or solar heating

Abstract

The invention relates to the technical field of clothes hangers, in particular to an injection molding machine for producing an environment-friendly clothes hanger and an injection molding method thereof. The beneficial effects of the invention are as follows: the injection molding machine for producing the environment-friendly clothes hanger and the injection molding method thereof are improved on the basis of the prior art, the S-shaped clothes hanger with the hollow inside can be produced, the function of automatically pushing the mold core to move forward in the process of downward movement of the upper mold is realized through the rotating assembly and the inclined support block, and the problem that the defects of downward pressing and pushing of the mold core of the mold are overcome by using a plurality of driving devices in the prior art is solved.

Description

Injection molding machine for producing environment-friendly clothes hangers and injection molding method thereof
Technical Field
The invention relates to the technical field of clothes hangers, in particular to an injection molding machine for producing an environment-friendly clothes hanger and an injection molding method thereof.
Background
The clothes hanger is a common clothes airing tool in daily life of people, a clothes hanger die is needed to be used in the production process of the clothes hanger, molten plastics are injected into a die cavity to cool and form the clothes hanger, but the existing clothes hanger production dies have problems when in use, the existing clothes hanger dies usually produce triangular clothes hangers, and the triangular clothes hangers can stably hang clothes, but can easily shield sunlight of adjacent clothes during airing, so that airing effect is affected; in addition, the existing injection molding machine cannot be cooled rapidly after injection molding is completed, so that the functionality is poor, and the processing efficiency is affected.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides an injection molding machine for producing an environment-friendly clothes hanger and an injection molding method thereof, which are used for solving the problems that the existing injection molding machine can stably hang clothes but easily shield sunlight of adjacent clothes during airing to influence the airing effect; and the existing injection molding machine can not be rapidly cooled after injection molding is finished, so that the functionality is poor, and the processing efficiency is affected.
The technical scheme for solving the technical problems is as follows: the utility model provides an injection molding machine and injection molding method for environmental protection clothes hanger production, includes supporting seat, mould body and mold core, the surface mounting of supporting seat has the mould body, and the outside rotation of mould body is connected with rotating assembly, the front left side of supporting seat and the right rear side of supporting seat all are fixed and are provided with the base, and the fixed surface of base installs the shell, and the inside of shell is provided with the overlap joint piece, and the mold core is installed to the front end of overlap joint piece, all installs the subassembly of loosing core between mold core and the adjacent mold core and the overlap joint piece, the extension groove has been seted up on the surface of overlap joint piece, and the laminating of the inside of extension groove is provided with the transmission shaft, and the front end fixed mounting of transmission shaft has the extrusion stem, and the outside cover of extrusion stem is equipped with the spring, and the head and the tail both ends of spring link to each other with overlap joint piece and transmission shaft respectively, and the front end fixed mounting of extrusion stem has the extrusion piece.
The beneficial effects of the invention are as follows:
1) The injection molding machine for producing the environment-friendly clothes hanger and the injection molding method thereof have better effects, the invention is improved on the basis of the prior art, the function of automatically pushing the mold core to move forward in the process of downward movement of the upper mold is realized through the rotating assembly and the inclined strut block, the problem that a plurality of driving devices are needed to realize the pressing down of the mold and the pushing of the mold core in the prior art is solved, the device utilizes the extrusion structure in the process of pressing down the mold to enable the mold core to be automatically pushed, and the convenience of using the device is improved; through equiangular distribution' S overlap piece and mold core, realized the production function to S type clothes hanger, realize the butt joint function of two U type mold cores through a pair of case cooperation loose core subassembly, solved the defect that is inconvenient for producing S type clothes hanger among the prior art, promoted the variety that the device was used, S type clothes hanger makes the clothing can more comprehensive dry when the sunning, has promoted the sunning effect of device to the clothing.
2) The injection molding machine for producing the environment-friendly clothes hanger and the injection molding method thereof have better effects, and the device realizes the function of automatically cooling in the injection molding process through the pressure spring, the sealing gasket and the extrusion block, so that the device can automatically open the communication groove through pressing down the upper die when in use, so that liquid nitrogen is filled into the device, the cooling function is realized through heat transfer of the metal surface of the die core, and the defect of poor functionality in the production of the clothes hanger die in the prior art is overcome; through loose core subassembly and the rotating assembly that sets up for the device can be fixed and rotate the mold core through limit structure stability at the in-process of pushing mold core and taking out the mold core, can take out simultaneously or impel simultaneously the mold core of left and right sides when producing S type clothes hanger simultaneously, has promoted the convenience that the device used, has solved current mould stability relatively poor and very inconvenient defect when using.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the supporting seat, the base and the shell are of an integrated structure, two groups of shells, the lap joint blocks, the pipelines and the mold cores are distributed on the surface of the supporting seat at equal angles, communication grooves for flowing liquid nitrogen are formed in the left side and the right side of the inside of the lap joint blocks and the left side and the right side of the inside of the mold cores, the positions of the communication grooves on the lap joint blocks and the positions of the communication grooves on the mold cores correspond to each other, and the tail ends of the communication grooves in the lap joint blocks are fixedly connected with the pipelines; the left front side of supporting seat upper surface and the right rear side of supporting seat upper surface are all fixed and are provided with the diagonal brace piece, and the shape of diagonal brace piece is the triangular prism of horizontal, the diagonal brace piece inclined plane of supporting seat upper surface left front side is towards left, the diagonal brace piece inclined plane of supporting seat upper surface right rear side is towards right.
The beneficial effect of adopting above-mentioned further scheme is, can let in liquid nitrogen in the inside of intercommunication groove so that the device can utilize the metal material of mold core to cool down the work.
Further, the die body comprises a lower die, an upper die, a first chute, a connecting shaft, an electric push rod and a suspension; an upper die is arranged above the lower die, first sliding grooves are fixedly formed in the front end and the rear end of the upper die, a connecting shaft is fixedly arranged in the middle of the upper die, electric push rods are fixedly arranged on the upper surface of the front half part of the upper die and the upper surface of the rear half part of the upper die, and the top ends of the electric push rods are fixedly connected with suspensions; the shape of the lower die and the shape of the upper die are both S-shaped, and the lower die and the upper die are both semicircular pipe structures.
The technical scheme has the beneficial effects that the upper die and the electric push rod are suspended by the suspension, so that the device is stably placed; the mould of device can carry out supplementary pushing work in pushing down the in-process bracing piece, has promoted the functionality of device.
Further, the rotating assembly comprises a lap joint ring, a connecting frame and a limiting groove; the lap joint ring is rotatably arranged on the outer side of the connecting shaft, connecting frames are fixedly arranged on the front side and the rear side of the lap joint ring, and limiting grooves are formed in the surfaces of the connecting frames; the number of the connecting frames corresponds to the number of the outer shell and the number of the transmission shafts, a third sliding groove for the movement of the transmission shafts is formed in the surface of the outer shell, and the inner wall of the tail end of the limiting groove is mutually attached to the outer wall of the transmission shaft.
The adoption of the further scheme has the beneficial effects that the position of the transmission shafts on the left side and the right side is synchronously adjusted by pushing the transmission shafts through the limiting grooves on the device, so that the subsequent quick core pulling is realized; the connecting frame is rotated through the lap joint ring and the connecting shaft on the device, so that the device can synchronously loose core and push the left side and the right side, and the use convenience of the device is improved.
Further, the core pulling assembly comprises a connecting rod, a movable groove, a fixed shaft and a second sliding groove; the lap joint rod is fixedly arranged at the tail end of the mold core, a movable groove is formed in the surface of the lap joint rod, a fixed shaft is arranged in the movable groove in a fit mode, the fixed shaft is fixedly arranged in the lap joint block, and a second sliding groove for sliding the lap joint rod is formed in the lap joint block; the front end of extrusion piece is bifurcation form, and the left and right sides of extrusion piece front end all is provided with sealed pad, and sealed pad slidable mounting is in the inside of overlap joint piece, and the extrusion groove has been seted up on sealed surface of filling up, and the inclined plane of extrusion inslot wall is laminated with the inclined plane of extrusion piece front end bifurcation part each other, fixedly connected with pressure spring between sealed pad and the adjacent sealed pad.
The sealing gasket has the beneficial effects that the sealing gasket can automatically open the communication grooves on the left side and the right side of the inside of the device under the pushing and extrusion actions of the extrusion block, so that liquid nitrogen can directly enter the inside of each mold core, and the cooling function is realized; the pressure spring makes the sealing gasket of device left and right sides can support the inner wall of intercommunication groove to realize stopping fluidic function, carry out spacingly to the overlap joint pole through the fixed axle on the device, make the device can restrict the rotation scope of moulding core.
An injection molding method of an injection molding machine for producing environment-friendly clothes hangers comprises the following steps:
s1: fixing a die: combining the upper side and the lower side of the die body through an electric push rod;
s2: automatically pushing the mold core: in the process of downward movement of the upper die, the inclined support blocks are propped against the side surfaces of the connecting frame, so that the whole rotating assembly rotates clockwise, the device can utilize the inner wall of the limiting groove to extrude the transmission shaft and push the lap joint blocks and the die cores to move forward integrally, the core pulling assembly between the die cores and the adjacent die cores automatically contracts under the extrusion of the inner wall of the die body, and the step of automatically pushing the die cores is completed;
s3: injection molding: injection molding is carried out in the lower die through an injection molding Kong Duimo tool body;
s4: cooling; in the injection molding process, the transmission shaft moves forward to push the extrusion rod and the extrusion block, the spring is compressed, and the extrusion block enables two adjacent sealing gaskets to be close to each other, so that the communication groove in the overlap joint block and the communication groove in the mold core are communicated with each other, and the device can realize the heat conduction cooling function by injecting liquid nitrogen into the mold core through the pipeline;
s5: core pulling: after the automatic cooling step is completed while the mold cores are pushed, the mold cores are pulled everywhere through the core pulling assembly, and after core pulling is completed, the upper mold is lifted, and the processed clothes hanger is taken out.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram showing the separation structure of the lower die and the upper die of the present invention;
FIG. 3 is a schematic top view of the overall structure of the present invention;
FIG. 4 is a schematic view of the mold core of the present invention in a withdrawn state;
FIG. 5 is a schematic view of the mold core advanced state of the present invention;
FIG. 6 is a schematic view of the connection structure of the lower die and the die core of the invention;
FIG. 7 is a schematic view of the mold core of the present invention in a straightened state;
fig. 8 is a schematic diagram of the structure of fig. 7 a according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a support base; 2. a die body; 201. a lower die; 202. an upper die; 203. a first chute; 204. a connecting shaft; 205. an electric push rod; 206. a suspension; 3. a rotating assembly; 301. a lap ring; 302. a connection frame; 303. a limit groove; 4. a base; 5. a housing; 6. a splicing block; 7. a pipe; 8. a mold core; 9. a core pulling assembly; 901. a connecting rod is connected; 902. a movable groove; 903. a fixed shaft; 904. a second chute; 10. an extrusion rod; 11. a spring; 12. extruding a block; 13. a sealing gasket; 14. an extrusion groove; 15. a pressure spring; 16. a communication groove; 17. an extension groove; 18. a transmission shaft; 19. a diagonal brace block; 20. and a third chute.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
The existing clothes hanger injection molding machine cannot be used for injecting hollow S-shaped clothes hangers in the use process, the efficiency of an ordinary clothes hanger is low during airing, adjacent clothes are easy to shield, the airing speed is influenced, when the existing clothes hanger mold is used, a plurality of pushing devices are needed, a mold core is needed to be pushed first, then the mold is pushed, injection molding is carried out, the whole operation steps are complicated, the mold core cannot be automatically pushed while the mold is pushed, rapid heat dissipation is not conveniently carried out in the mold, the functionality is poor, and the inventor provides the injection molding machine for producing the environment-friendly clothes hanger and the injection molding method thereof to solve the problems.
The present invention provides the following preferred embodiments
As shown in fig. 1 and fig. 3-7, an injection molding machine for producing an environment-friendly clothes hanger and an injection molding method thereof, the injection molding machine comprises a supporting seat 1, a mold body 2 and a mold core 8, wherein the surface of the supporting seat 1 is provided with the mold body 2, the outer side of the mold body 2 is rotationally connected with a rotating assembly 3, the front left side of the supporting seat 1 and the rear right side of the supporting seat 1 are fixedly provided with a base 4, the surface of the base 4 is fixedly provided with a shell 5, the inside of the shell 5 is provided with a lap joint block 6, the front end of the lap joint block 6 is provided with the mold core 8, the device can drive the mold core 8 to move through the rotating assembly 3 in the use process, a core pulling assembly 9 is arranged between the mold core 8 and the lap joint block 6, the mold core 8 can stably rotate between two adjacent mold cores 8 through the core pulling assembly 9, the surface of the lap joint block 6 is provided with an extending groove 17, the inside of the extending groove 17 is fixedly provided with a transmission shaft 18, the front end of the transmission shaft 18 is fixedly provided with an extrusion rod 10, the outer side of the extrusion rod 10 is sleeved with a spring 11, the extrusion rod 10 can automatically reset after the extrusion rod 10 through the spring 11 on the device, the extrusion rod 11 can be automatically reset after the extrusion rod 11, the extrusion rod 11 can be connected with the front end of the extrusion rod 12 and the extrusion rod 12 through the two ends, the extrusion device can be connected with the front two ends of the extrusion device through the front ends 12, and the front end 12 and the extrusion cavity 12 can be connected through the two continuous cavities.
In this embodiment, as shown in fig. 1-2 and fig. 3-8, in order to further improve the functionality of the device, the supporting seat 1, the base 4 and the housing 5 are in an integrated structure, two groups of housing 5, the overlap block 6, the pipeline 7 and the mold core 8 are distributed on the surface of the supporting seat 1 at equal angles, the left and right sides inside the overlap block 6 and the left and right sides inside the mold core 8 are provided with communication grooves 16 for flowing liquid nitrogen, and liquid nitrogen can be introduced into the communication grooves 16 to enable the device to perform cooling operation by using the metal material of the mold core 8, the positions of the communication grooves 16 on the overlap block 6 and the positions of the communication grooves 16 on the mold core 8 correspond to each other, the tail end of the communication grooves 16 in the overlap block 6 is fixedly connected with the pipeline 7, and liquid nitrogen is injected into the inside of the communication grooves 16 through the pipeline 7 to perform cooling; the left front side of the upper surface of the supporting seat 1 and the right rear side of the upper surface of the supporting seat 1 are fixedly provided with diagonal bracing blocks 19, the diagonal bracing blocks 19 are in a transverse triangular prism shape, the inclined plane of the diagonal bracing blocks 19 on the left front side of the upper surface of the supporting seat 1 faces leftwards, the inclined plane of the diagonal bracing blocks 19 on the right rear side of the upper surface of the supporting seat 1 faces rightwards, and in fig. 3, the arrow direction of the diagonal bracing blocks 19 indicates that the height is changed from high to low, so that the diagonal bracing blocks 19 can assist pushing in the pressing process of a die of the device.
In this embodiment, as shown in fig. 1 to 4 and fig. 7 to 8, in order to further improve the stability of the apparatus, the mold body 2 includes a lower mold 201, an upper mold 202, a first chute 203, a connection shaft 204, an electric push rod 205, and a suspension 206; an upper die 202 is arranged above the lower die 201, first sliding grooves 203 are fixedly formed in the front end and the rear end of the upper die 202, a connecting shaft 204 is fixedly arranged in the middle of the upper die 202, an electric push rod 205 is fixedly arranged on the upper surface of the front half part of the upper die 202 and the upper surface of the rear half part of the upper die 202, a suspension 206 is fixedly connected to the top end of the electric push rod 205, and the upper die 202 and the electric push rod 205 are suspended through the suspension 206, so that the stable arrangement of the device is ensured; the shapes of the lower die 201 and the upper die 202 are of an S shape, the lower die 201 and the upper die 202 are of a semicircular tube structure, and the S-shaped bent tube is produced through the lower die 201 and the upper die 202 of the S-shaped semicircular tube structure, so that the functionality of the device is improved.
In this embodiment, as shown in fig. 1-3, in order to further improve the convenience of using the device, the rotating assembly 3 includes a lap ring 301, a connection frame 302, and a limit groove 303; the lap joint ring 301 is rotatably arranged on the outer side of the connecting shaft 204, the front side and the rear side of the lap joint ring 301 are fixedly provided with the connecting frames 302, the surfaces of the connecting frames 302 are provided with the limiting grooves 303, and the lap joint ring 301 and the connecting shaft 204 on the device rotate the connecting frames 302, so that the left side and the right side of the device can be synchronously pulled and pushed in the follow-up process, and the use convenience of the device is improved; the number of the connecting frames 302 corresponds to the number of the outer shell 5 and the number of the transmission shafts 18, a third sliding groove 20 for the movement of the transmission shafts 18 is formed in the surface of the outer shell 5, the inner wall of the tail end of the limiting groove 303 is attached to the outer wall of the transmission shafts 18, and the limiting groove 303 on the device pushes the transmission shafts 18 so as to synchronously adjust the positions of the transmission shafts 18 on the left side and the right side, so that subsequent quick core pulling is facilitated.
In this embodiment, as shown in fig. 1 and fig. 3 to 8, in order to further enhance the use effect of the device, the core back assembly 9 includes a connecting rod 901, a movable slot 902, a fixed shaft 903, and a second sliding slot 904; the lap joint rod 901 is fixedly arranged at the tail end of the mold core 8, a movable groove 902 is formed in the surface of the lap joint rod 901, the mold core 8 and the adjacent mold cores 8 can rotate through the movable groove 902, a fixed shaft 903 is arranged in the movable groove 902 in a fitting mode, the fixed shaft 903 is fixedly arranged in the lap joint block 6, the lap joint rod 901 is limited through the fixed shaft 903 on the lap joint rod, the rotation range of the mold core 8 can be limited by the lap joint rod 901, a second sliding groove 904 for sliding the lap joint rod 901 is formed in the lap joint block 6, and the mold core 8 is ensured to rotate stably; the front end of extrusion piece 12 is bifurcation form, the left and right sides of extrusion piece 12 front end all is provided with sealed pad 13, sealed pad 13 slidable mounting is in the inside of overlap joint piece 6, sealed pad 13 can be under extrusion piece 12 top pushing and extruded effect automatic opening the inside left and right sides's of device intercommunication groove 16 for liquid nitrogen can directly get into the inside of everywhere mold core 8, realizes the cooling function, sealed pad 13's surface has seted up extrusion groove 14, extrusion groove 14 inner wall the inclined plane and extrusion piece 12 front end bifurcation part's inclined plane laminating each other, sealed pad 13 and adjacent sealed pad 13 between fixedly connected with pressure spring 15, pressure spring 15 makes sealed pad 13 of device left and right sides can support the inner wall of intercommunication groove 16, thereby realize the function of stopping fluid.
The specific working process of the invention is as follows:
(1) Preparation for injection moulding
The upper die 202 and the electric push rod 205 of the device are suspended through a suspension 206, the electric push rod 205 is extended to enable a lap joint ring 301 rotatably installed on the upper die 202 and a surface connecting shaft 204 thereof to move downwards, and in the process of the downward movement of the lap joint ring 301, inclined planes of inclined support blocks 19 arranged on the left front side and the right rear side of a supporting seat 1 are propped against the bottom surface of a connecting frame 302, so that the inner wall of a limit groove 303 in the connecting frame 302 pushes a transmission shaft 18, and the transmission shaft 18 slides in a third slide groove 20 in the shell 5;
(2) Adjusting injection molding shape
As shown in fig. 7 and 8, in the process of sliding the transmission shaft 18 forward, the spring 11 abuts against the overlap block 6 and drives the mold core 8 to move forward, the mold core 8 moves to the inside of the lower mold 201 and the upper mold 202 until the last mold core 8 on the left front side of the device and the last mold core 8 on the right rear side of the device abut against each other, the core pulling assembly 9 on each group of mold cores 8 makes the mold cores 8 take the shape of a semicircle as a whole, in the process of rotating two adjacent mold cores 8, the overlap rod 901 passes through the communication groove 16 inside each mold core 8 mutually communicates the movable groove 902 and the fixed shaft 903 and slides inside the second chute 904, so that the device can stably overlap the two adjacent mold cores 8, and the mold cores 8 take the shape of an S as a whole;
(3) Injection molding and cooling
When the lower die 201 moves to the lowest position, the tail ends of two adjacent groups of die cores 8 are abutted tightly, the transmission shaft 18 pushes the extrusion rod 10 forwards to compress the spring 11, the extrusion block 12 abuts against the inner wall of the extrusion groove 14 in the sealing gasket 13, so that the device can pull the two adjacent sealing gaskets 13 into each other, the pressure spring 15 is compressed to open the communication groove 16, liquid nitrogen can be introduced into the two adjacent groups of die cores 8 through the pipeline 7 serving as the front end at the moment, and finally flows out of the pipeline 7 at the right rear part, so that the functions of automatically pushing the die cores 8 and automatically cooling the die cores are realized in the process of pressing the dies of the upper half part and the lower half part
To sum up: the injection molding machine for producing the environment-friendly clothes hanger and the injection molding method thereof have the advantages that the device is improved on the basis of the prior art, the effect of the injection molding machine is better, the function of automatically pushing the mold core 8 to move forwards in the process of downwards moving the upper mold 202 is realized through the rotating assembly 3 and the inclined support block 19, the problem that the defects of the mold pressing and pushing of the mold core 8 are overcome in the prior art because a plurality of driving devices are needed to be used in the process of pressing the mold is solved, the mold core 8 can be automatically pushed by utilizing an extrusion structure in the process of pressing the mold, and the convenience of using the device is improved; the production function of the S-shaped clothes hanger is realized through the lap joint blocks 6 and the mold cores 8 which are distributed at equal angles, the butt joint function of the two U-shaped mold cores 8 is realized through the matching of the pair of valve cores with the core pulling assembly 9, the defect that the S-shaped clothes hanger is inconvenient to produce in the prior art is overcome, and the use diversity of the device is improved;
the injection molding machine for producing the environment-friendly clothes hanger and the injection molding method thereof have better effect, and the device realizes the function of automatically cooling in the injection molding process through the pressure spring 15, the sealing gasket 13 and the extrusion block 12, so that the device can automatically open the communication groove 16 through the lower upper die 202 when in use, the liquid nitrogen is filled into the device, the cooling function is realized through the heat transfer of the metal surface of the die core 8, and the defect of poor functionality in the production of the clothes hanger die in the prior art is solved; through the loose core assembly 9 and the rotating assembly 3 that set up for the device can be fixed and rotate mold core 8 through limit structure stability at the in-process of pushing into mold core 8 and taking out mold core 8, can take out simultaneously or impel simultaneously to mold core 8 of left and right sides when producing S type clothes hanger simultaneously, has promoted the convenience that the device used, has solved current mould stability relatively poor and very inconvenient defect when using.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (6)

1. The utility model provides an injection molding machine that environmental protection clothes hanger production was used, its characterized in that includes supporting seat (1), mould body (2) and mold core (8), its characterized in that, the surface mounting of supporting seat (1) has mould body (2), and the outside rotation of mould body (2) is connected with rotating assembly (3), the front left side of supporting seat (1) and the right rear side of supporting seat (1) are all fixed and are provided with base (4), and the surface fixed mounting of base (4) has shell (5), and the inside of shell (5) is provided with overlap joint piece (6), and mold core (8) are installed to the front end of overlap joint piece (6), all install core pulling assembly (9) between mold core (8) and adjacent mold core (8) and overlap joint piece (6), extension groove (17) have been seted up on the surface of overlap joint piece (6), and the laminating of the inside of extension groove (17) is provided with transmission shaft (18), and the front end of transmission shaft (18) is fixed with extrusion rod (10), and the outside cover of extrusion rod (10) is equipped with spring (11), and the tail of spring (11) is connected with extrusion rod (12) and both ends of extrusion rod (6) respectively; the supporting seat (1), the base (4) and the shell (5) are of an integrated structure, the shell (5), the overlap joint block (6), the pipeline (7) and the mold core (8) are distributed on the surface of the supporting seat (1) at equal angles, communication grooves (16) for flowing liquid nitrogen are formed in the left side and the right side of the inside of the overlap joint block (6) and the left side and the right side of the inside of the mold core (8), the positions of the communication grooves (16) on the overlap joint block (6) and the positions of the communication grooves (16) on the mold core (8) correspond to each other, and the tail ends of the communication grooves (16) in the overlap joint block (6) are fixedly connected with the pipeline (7); the left front side of the upper surface of the supporting seat (1) and the right rear side of the upper surface of the supporting seat (1) are fixedly provided with inclined supporting blocks (19), the inclined supporting blocks (19) are in a shape of a transversely arranged triangular prism, the inclined surfaces of the inclined supporting blocks (19) on the left front side of the upper surface of the supporting seat (1) face leftwards, and the inclined surfaces of the inclined supporting blocks (19) on the right rear side of the upper surface of the supporting seat (1) face rightwards; the die body (2) comprises a lower die (201), an upper die (202), a first sliding groove (203), a connecting shaft (204), an electric push rod (205) and a suspension (206); an upper die (202) is arranged above the lower die (201), first sliding grooves (203) are fixedly formed in the front end and the rear end of the upper die (202), connecting shafts (204) are fixedly arranged in the middle of the upper die (202), electric push rods (205) are fixedly arranged on the upper surface of the front half part of the upper die (202) and the upper surface of the rear half part of the upper die (202), and suspension frames (206) are fixedly connected to the top ends of the electric push rods (205).
2. The injection molding machine for producing the environment-friendly clothes hanger according to claim 1, wherein the shapes of the lower die (201) and the upper die (202) are S-shaped, and the lower die (201) and the upper die (202) are semicircular pipe structures.
3. The injection molding machine for producing the environment-friendly clothes hanger according to claim 2, wherein the rotating assembly (3) comprises a lap joint ring (301), a connecting frame (302) and a limit groove (303); the lap joint ring (301) is rotatably arranged on the outer side of the connecting shaft (204), connecting frames (302) are fixedly arranged on the front side and the rear side of the lap joint ring (301), and limiting grooves (303) are formed in the surfaces of the connecting frames (302).
4. An injection molding machine for producing environment-friendly clothes hangers according to claim 3, wherein the number of the connecting frames (302) corresponds to the number of the outer shell (5) and the transmission shafts (18), a third sliding groove (20) for moving the transmission shafts (18) is formed in the surface of the outer shell (5), and the inner wall of the tail end of the limiting groove (303) is attached to the outer wall of the transmission shafts (18).
5. An injection molding machine for producing environmentally friendly clothes hangers according to claim 3, wherein the core pulling assembly (9) comprises a connecting rod (901), a movable groove (902), a fixed shaft (903) and a second sliding groove (904); the lapping rod (901) is fixedly arranged at the tail end of the mold core (8), a movable groove (902) is formed in the surface of the lapping rod (901), a fixed shaft (903) is arranged in the movable groove (902) in a fit mode, the fixed shaft (903) is fixedly arranged in the lapping block (6), and a second sliding groove (904) used for sliding the lapping rod (901) is formed in the lapping block (6).
6. The injection molding machine for producing the environment-friendly clothes hangers according to claim 5, wherein the front end of the extrusion block (12) is bifurcated, sealing gaskets (13) are arranged on the left side and the right side of the front end of the extrusion block (12), the sealing gaskets (13) are slidably mounted in the lap joint block (6), extrusion grooves (14) are formed in the surfaces of the sealing gaskets (13), inclined planes of the inner walls of the extrusion grooves (14) are mutually attached to inclined planes of bifurcation parts of the front end of the extrusion block (12), and pressure springs (15) are fixedly connected between the sealing gaskets (13) and adjacent sealing gaskets (13).
CN202210203140.3A 2022-03-03 2022-03-03 Injection molding machine for producing environment-friendly clothes hangers and injection molding method thereof Active CN114536679B (en)

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CA718818A (en) * 1965-09-28 F. Jurgeleit Herbert Injection molding machine
GB913532A (en) * 1960-04-12 1962-12-19 Turner Machinery Ltd Injection moulding machine
DE8225898U1 (en) * 1981-09-14 1983-01-05 Ludwig Engel KG, 4311 Schwertberg INJECTION MOLDING MACHINE
JP2002079558A (en) * 2000-09-05 2002-03-19 Meiki Co Ltd Mold clamping device with mold rotating mechanism
JP2002331476A (en) * 2001-03-07 2002-11-19 Yamaichi Seiko Kk Robot arm
JP2004167747A (en) * 2002-11-18 2004-06-17 Toshikage Yamada Obliquely sliding mechanism of slide core
CN201201322Y (en) * 2008-04-25 2009-03-04 向厚淼 Bendable telescopic loose core mechanism for injection mold
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CN112223660A (en) * 2020-09-21 2021-01-15 浙江工商职业技术学院 180 return bend injection mold

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