CN110920007A - Garbage bin injection mold - Google Patents
Garbage bin injection mold Download PDFInfo
- Publication number
- CN110920007A CN110920007A CN201911253760.2A CN201911253760A CN110920007A CN 110920007 A CN110920007 A CN 110920007A CN 201911253760 A CN201911253760 A CN 201911253760A CN 110920007 A CN110920007 A CN 110920007A
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- die
- mold
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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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7154—Barrels, drums, tuns, vats
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of garbage can injection molding, and particularly relates to a garbage can injection mold which comprises a movable mold and a fixed mold, wherein a mold core is arranged on the movable mold, a mold cavity is arranged on the fixed mold, a mold cavity for molding a garbage can is formed between the mold core and the mold cavity, and a sprue communicated with the mold cavity is arranged on one side of the fixed mold, which faces back to the movable mold; the movable die is characterized in that a discharging component is arranged at the root part of the die core and is assembled to eject the garbage can on the die core to the direction of the fixed die when the movable die is separated from the fixed die. The invention realizes the separation between the injection molding piece and the mold core by utilizing the discharging component, and provides convenience for the subsequent operation personnel or mechanical equipment to take materials.
Description
Technical Field
The invention belongs to the technical field of injection molding of garbage cans, and particularly relates to an injection mold for a garbage can.
Background
The garbage can needs to be taken out of a mold after injection molding, however, in the injection molding and cooling process, the can body shrinks to a certain extent, so that the can body can be tightly adsorbed on a mold core, which brings inconvenience to material taking, a pull rod or an ejector rod is generally adopted in the traditional unloading mode, but the structures are too complex, for example, the invention patent with the patent number of 201610794242.1 discloses a plastic garbage can mold cover core pulling mechanism and a core pulling method thereof.
In addition, the depth of the garbage can is increased, and a cooling pipeline and an insert block are required to be arranged in a mold in order to rapidly cool the garbage can in the injection molding process, for example, the invention patent with the patent number of 201510292238.0 discloses a garbage can mold with rapid cooling. However, the cooling system in the prior art usually only focuses on the improvement of the cooling rate and neglects the guidance of the cooling spreading direction, and actually, for injection-molded parts with large depth such as trash cans, the longitudinal shrinkage amount after cooling is large, so that the injection of molten plastic needs to be kept in the cooling process to supplement the cavity, so that the guidance of the cooling spreading direction is very important, if the cooling direction cannot be effectively controlled, the material near the gate area is likely to be cooled and solidified first, so that the fluidity of the molten plastic is affected, and finally, the structure of the injection-molded part at the far end of the gate is deformed or internal stress is generated, so that the structure and mechanical property of the injection-molded part are affected.
Disclosure of Invention
The invention aims to provide an injection mold of a garbage can, which is convenient for separating an injection molding piece from a mold core.
In order to achieve the purpose, the invention provides the following technical scheme:
a garbage can injection mold comprises a movable mold and a fixed mold, wherein a mold core is arranged on the movable mold, a mold cavity is arranged on the fixed mold, a mold cavity for molding a garbage can is formed between the mold core and the mold cavity, and a sprue communicated with the mold cavity is arranged on one side of the fixed mold, which is back to the movable mold; the movable die is characterized in that a discharging component is arranged at the root part of the die core and is assembled to eject the garbage can on the die core to the direction of the fixed die when the movable die is separated from the fixed die.
The subassembly of unloading includes along movable mould die sinking direction and movable mould sliding connection's ejector pin, the ejector pin corresponds the setting with the garbage bin bung hole flange, the ejector pin sets up the slider rigid coupling in the movable mould with sliding, even have a pull rod parallel with the ejector pin on the slider, pull rod protrusion sets up in the die joint of movable mould, and the jack that sets up on pull rod and the cover half constitutes the cooperation of pegging graft, be equipped with the neck that the diameter is less than the pull rod diameter on the pull rod, be equipped with the cardboard that sets up along the radial activity of jack in the jack, be equipped with the through-hole that supplies the pull rod to pass on the cardboard to and the draw-in groove that communicates with the through-hole, the width of draw-in groove is less than the pull rod: the through hole is opposite to the pull rod at the first station, and the clamping groove is opposite to the pull rod at the second station; the movable die is further provided with a lock pin for driving the clamping plate to slide, the lock pin is assembled in a way that the lock pin drives the clamping plate in the first station to the second station when the movable die and the fixed die are closed, and the lock pin drives the clamping plate in the second station to the first station when the movable die and the fixed die are separated by a stroke.
The lock pin is parallel to the pull rod and is fixedly connected with the movable mould, the fixed mould is provided with a pin hole matched with the lock pin, one end of the clamping plate extends into the pin hole, the clamping plate is provided with a lock hole for the lock pin to pass through, the two sides of the lock pin in the sliding direction of the clamping plate are respectively provided with a first wedge driving surface and a second wedge driving surface, the first wedge driving surface and the second wedge driving surface are arranged at a distance in the length direction of the lock pin, and the first wedge driving surface is positioned at one end closer to the movable mold, a first wedge surface and a second wedge surface are respectively arranged on two hole walls of the lock hole matched with the first wedge driving surface and the second wedge driving surface, when the movable mold and the fixed mold are closed, the first wedge driving surface acts on the first wedge surface to drive the clamping plate to slide from the first station to the second station, when the movable die is separated from the fixed die by a stroke, the second wedge driving surface acts on the second wedge surface to drive the clamping plate to slide from the second station to the first station.
And a pressure spring is arranged between the pull rod and the movable die, and the pressure spring is assembled to enable the pull rod to move relative to the movable die in the direction away from the fixed die through the elasticity of the pressure spring.
The die joint of the movable die is further provided with a guide rod protruding towards the fixed die, and the fixed die is provided with a guide hole matched with the guide rod in an inserting mode.
Cooling pipelines are arranged in the movable die and the fixed die and comprise a water inlet channel and a water outlet channel which are arranged in the die core along the length direction of the die core, the water inlet channel is communicated with a water inlet pipe, and the water outlet channel is communicated with a water return pipe; and a communicating port is arranged between the water inlet flow channel and the water outlet flow channel and is movably arranged from the root part of the mold core to the top part of the mold core along the direction parallel to the water inlet flow channel and the water outlet flow channel.
Be equipped with the gap that link up in succession the whole length direction of runner of intaking and play between water flow and the runner of intaking, be equipped with the water conservancy diversion stick in the runner of intaking, the excellent outer wall of water conservancy diversion constitutes sealed normal running fit with the runner inner wall of intaking, be equipped with the spiral guiding gutter on the excellent outer wall of water conservancy diversion, the one end that the runner of intaking is located the mold core root is equipped with the ring channel, ring channel and inlet tube intercommunication, the spiral guiding gutter is located the one end and the ring channel intercommunication of mold core root, when the water conservancy diversion stick rotates for the runner of intaking, on the spiral guiding gutter with the region of gap intercommunication shifts to the mold core top from the mold core root along mold core length direction.
The mold comprises a mold core, a water inlet channel, a water return channel, a transverse channel, a longitudinal channel and a transverse channel, wherein the longitudinal channel and the transverse channel are arranged in the top end of the mold core; and when the communication area between the spiral diversion trench and the gap is transferred to the position closest to the top end of the mold core, the end part of the spiral diversion trench is communicated with the gap part.
The mold core comprises a body and a beryllium bronze insert detachably arranged on the side wall, namely the top wall, of the body, and the water inlet flow passage, the water outlet flow passage, the longitudinal flow passage and the transverse flow passage are all arranged in the beryllium bronze insert; one end of the flow guide rod, which is positioned at the root part of the mold core, protrudes to the outer side of the mold core and is rotationally connected with a bearing seat arranged on the outer side of the mold core through a bearing, and a servo motor for driving the flow guide rod to rotate is arranged on the outer side of the mold core; a plurality of groups of water inlet flow passages and water outlet flow passages are arranged at intervals along the side wall of the mold core; the outer ends of the diversion rods of the water inlet runners are respectively provided with a chain wheel, a tension wheel is arranged between the chain wheels of two adjacent diversion rods, the chain wheels are synchronously and rotationally connected through a chain, and one diversion rod is in transmission connection with a main shaft of the servo motor; the longitudinal runners, the transverse runners and the water inlet runners are arranged in a plurality of groups in one-to-one correspondence, the transverse runners are radially arranged, and the transverse runners are converged at the center of the mold core and are communicated with the same water return runner arranged at the center of the mold core; the number of turns of the spiral diversion trench is 1 turn, and the thread pitch is the length of the water outlet flow channel.
The cooling device also comprises an auxiliary cooling runner which is arranged on the fixed die matched with the die core along the direction vertical to the length direction of the die core.
The invention has the technical effects that: the invention realizes the separation between the injection molding piece and the mold core by utilizing the discharging component, and provides convenience for the subsequent operation personnel or mechanical equipment to take materials.
Drawings
Fig. 1 is a perspective view of an injection mold for a trash can according to an embodiment of the present invention;
fig. 2 is an exploded view of an injection mold for a trash can according to an embodiment of the present invention;
FIG. 3 is an end view of an injection mold for a trash can provided in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is an enlarged view of section I of FIG. 4;
FIG. 6 is an enlarged partial view of II of FIG. 4;
FIG. 7 is a perspective view of a movable mold provided in accordance with an embodiment of the present invention;
FIG. 8 is an exploded view of a moving mold provided in accordance with an embodiment of the present invention;
FIG. 9 is a perspective view of a side insert provided by an embodiment of the present invention;
FIG. 10 is a perspective view of an end face insert provided by an embodiment of the present invention;
FIG. 11 is a perspective view of a guide bar provided by an embodiment of the present invention;
FIG. 12 is a partial view of a guide rod assembly provided by an embodiment of the present invention;
FIG. 13 is a cross-sectional view of an injection mold for a trash can according to an embodiment of the present invention;
FIG. 14 is a perspective view of a card provided by an embodiment of the invention;
FIG. 15 is a schematic diagram of a cooling system provided by an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
Example 1
As shown in fig. 1-5 and 7, the garbage can injection mold comprises a movable mold 10 and a fixed mold 20, wherein a mold core 11 is arranged on the movable mold 10, a mold cavity 26 is arranged on the fixed mold 20, a mold cavity for molding a garbage can 30 is formed between the mold core 11 and the mold cavity 26, and a sprue 21 communicated with the mold cavity 26 is arranged on one side of the fixed mold 20, which faces away from the movable mold 10; and a discharging component is arranged on the movable die 10 at the root part of the die core 11, and the discharging component is assembled to be capable of ejecting the garbage can 30 on the die core 11 to the direction of the fixed die 20 when the movable die 10 is separated from the fixed die 20. The invention realizes the separation between the injection molding piece and the mold core 11 by utilizing the discharging component, and provides convenience for the subsequent operators or mechanical equipment to take materials.
Preferably, the discharging assembly comprises a top rod 191 connected with the movable mold 10 in a sliding manner along the mold opening direction of the movable mold 10, the top rod 191 is arranged corresponding to the flange of the opening of the garbage can 30, the top rod 191 is fixedly connected with a slide block 192 arranged in the movable mould 10 in a sliding way, the slide block 192 is connected with a pull rod 193 which is parallel to the ejector rod 191, the pull rod 193 is arranged by protruding the parting surface of the movable mould 10, the pull rod 193 forms the insertion fit with the insertion hole 23 arranged on the fixed mould 20, a neck 1931 with a diameter smaller than that of the pull rod 193 is arranged on the pull rod 193, a clamping plate 24 movably arranged along the radial direction of the insertion hole 23 is arranged in the insertion hole 23, as shown in fig. 14, the chucking plate 24 is provided with a through hole 241 through which the pull rod 193 passes, and a catch 242 in communication with the through-hole 241, the catch 242 having a width less than the diameter of the pull rod 193 and greater than the diameter of the neck 1931, the catch plate 24 being configured to slide between: in the first station, the through hole 241 is opposite to the pull rod 193, and in the second station, the clamping groove 242 is opposite to the pull rod 193; the movable mould 10 is further provided with a lock pin 195 for driving the clamp plate 24 to slide, the lock pin 195 is assembled in a way that when the movable mould 10 is closed with the fixed mould 20, the lock pin 195 drives the clamp plate 24 at the first station to the second station, and when the movable mould 10 is separated from the fixed mould 20 for a stroke, the lock pin 195 drives the clamp plate 24 at the second station to the first station. Specifically, the lock pin 195 is parallel to the pull rod 193 and is fixedly connected with the movable mold 10, the fixed mold 20 is provided with a pin hole 25 matched with the lock pin 195, one end of the snap-in plate 24 extends into the pin hole 25, the snap-in plate 24 is provided with a lock hole 243 for the lock pin 195 to pass through, two sides of the lock pin 195 in the sliding direction of the snap-in plate 24 are respectively provided with a first wedge driving surface and a second wedge driving surface, the first wedge driving surface and the second wedge driving surface are arranged at a certain distance in the length direction of the lock pin 195, the first wedge driving surface is positioned at one end closer to the movable mold 10, two hole walls of the lock hole 243 matched with the first wedge driving surface and the second wedge driving surface are respectively provided with a first wedge surface and a second wedge surface, when the movable mold 10 is folded with the fixed mold 20, the first wedge driving surface acts on the first wedge surface to drive the snap-in plate 24 to slide from a first station to a second station, when the movable mold 10 is separated from the fixed mold 20, the second wedge driving surface acts on the second wedge surface and can drive the clamping plate 24 to slide from the second station to the first station. A compression spring 194 is arranged between the pull rod 193 and the movable mold 10, and the compression spring 194 is assembled to enable the elastic force of the compression spring 194 to drive the pull rod 193 to move relative to the movable mold 10 in a direction away from the fixed mold 20. The parting surface of the movable mold 10 is also provided with a guide rod 103 protruding towards the fixed mold 20, and the fixed mold 20 is provided with a guide hole in insertion fit with the guide rod 103.
The specific working principle of the discharging assembly is as follows: before the movable mold 10 is folded with the fixed mold 20, the clamping plate 24 is located at a first station, in the process of folding the movable mold 10 with the fixed mold 20, the lock pin 195 and the pull rod 193 are sequentially inserted into the fixed mold 20, when the neck 1931 of the pull rod 193 reaches the position of the through hole 241 of the clamping plate 24, the first wedge driving surface just collides with the first wedge surface, along with the continuous folding of the mold, the lock pin 195 pushes the clamping plate 24 to translate towards the side of the pull rod 193 until the position shown in fig. 5 is reached, and at the moment, the mold is completely folded; when the mold is opened, the length of the neck 1931 of the pull rod 193 is greater than the thickness of the clamping plate 24, so the pull rod 193 cannot be blocked by the pull plate in the first time, the movable mold 10 can drive the injection molding part to move outwards for a short distance, when the clamping plate 24 is blocked and connected with the step of the neck 1931, the pull rod 193 cannot be continuously pulled out, the pull rod 193 drives the ejector rod 191 to eject outwards relative to the movable mold 10, so that the injection molding part is separated from the mold core 11, along with the continuous separation of the mold, the second wedge-shaped driving surface on the lock pin 195 is abutted against the second wedge-shaped surface of the clamping plate 24, and the clamping plate 24 is pushed away from the pull rod 193 until the clamping plate 24 returns to the first station again, at the moment, the pull rod 193 is released instantly by the clamping plate 24, the pull rod 193, the sliding block 192.
Furthermore, cooling pipelines are arranged in the movable die 10 and the fixed die 20, the cooling pipelines comprise a water inlet channel 12 and a water outlet channel 13 which are distributed in the die core 11 along the length direction of the die core 11, the water inlet channel 12 is communicated with a water inlet pipe, and the water outlet channel 13 is communicated with a water return pipe; a communicating opening is arranged between the water inlet flow passage 12 and the water outlet flow passage 13, and the communicating opening is movably arranged from the root part of the mold core 11 to the top part of the mold core 11 along the direction parallel to the water inlet flow passage 12 and the water outlet flow passage 13. It is specific, be equipped with the gap 15 that link up intake runner 12 and the whole length direction of play runner 13 in succession between intake runner 12 and the play runner 13, be equipped with water conservancy diversion stick 14 in the intake runner 12, water conservancy diversion stick 14 outer wall constitutes sealed normal running fit with intake runner 12 inner wall, be equipped with spiral guiding gutter 141 on the water conservancy diversion stick 14 outer wall, the one end that intake runner 12 is located the mold core 11 root is equipped with ring channel 121, ring channel 121 and inlet tube intercommunication, spiral guiding gutter 141 is located the one end and the ring channel 121 intercommunication of mold core 11 root, when water conservancy diversion stick 14 rotates for intake runner 12, on the spiral guiding gutter 141 with the region of gap 15 intercommunication shifts to mold core 11 top from mold core 11 root along mold core 11 length direction. The mold also comprises a longitudinal flow channel 16 and a transverse flow channel 17 which are arranged in the top end of the mold core 11, wherein the longitudinal flow channel 16 is vertical to the end surface of the mold core 11, the transverse flow channel 17 is parallel to the end surface of the mold core 11, one end of the longitudinal flow channel 16 is connected with the water inlet flow channel 12, the other end of the longitudinal flow channel is communicated with one end of the transverse flow channel 17, the other end of the transverse flow channel 17 is communicated with a water return flow channel 18 which is arranged along the length direction of the mold core 11; a water blocking block 161 is arranged between the longitudinal flow passage 16 and the water inlet flow passage 12, a notch 1611 is arranged at the edge of the water blocking block 161, and when the communication area between the spiral diversion groove 141 and the gap 15 is transferred to the top end closest to the mold core 11, the end part of the spiral diversion groove 141 is communicated with the notch 1611. The mold core 11 comprises a body 101 and a beryllium bronze insert 102 detachably arranged on the side wall, namely the top wall, of the body 101, and the water inlet flow passage 12, the water outlet flow passage 13, the longitudinal flow passage 16 and the transverse flow passage 17 are all arranged in the beryllium bronze insert 102; one end of the flow guide rod 14, which is positioned at the root of the mold core 11, protrudes to the outer side of the mold core 11 and is rotationally connected with a bearing seat arranged at the outer side of the mold core 11 through a bearing, and a servo motor 145 for driving the flow guide rod 14 to rotate is arranged at the outer side of the mold core 11; a plurality of groups of water inlet runners 12 and water outlet runners 13 are arranged at intervals along the side wall of the mold core 11; the outer ends of the diversion rods 14 of each water inlet runner 12 are respectively provided with a chain wheel 142, a tension wheel 143 is arranged between the chain wheels 142 of two adjacent diversion rods 14, the chain wheels 142 are synchronously and rotatably connected through a chain 144, and one diversion rod 14 is in transmission connection with a main shaft of the servo motor 145; the longitudinal runners 16 and the transverse runners 17 are arranged in a plurality of groups corresponding to the water inlet runners 12 one by one, the transverse runners 17 are radially arranged, and the transverse runners 17 are converged at the center of the mold core 11 and are communicated with the same water return runner 18 arranged at the center of the mold core 11; the number of turns of the spiral diversion trench 141 is 1 turn, and the pitch is the length of the water outlet flow channel 13. And the auxiliary cooling runner 22 is arranged on the fixed die 20 matched with the die core 11 and is vertical to the length direction of the die core 11.
Example 2
As shown in fig. 4 and 15, an injection molding cooling system for a trash can comprises a water inlet channel 12 and a water outlet channel 13 which are arranged inside a mold core 11 along the length direction of the mold core 11, wherein the water inlet channel 12 is communicated with a water inlet pipe, and the water outlet channel 13 is communicated with a water return pipe; a communicating opening is arranged between the water inlet flow passage 12 and the water outlet flow passage 13, and the communicating opening is movably arranged from the root part of the mold core 11 to the top part of the mold core 11 along the direction parallel to the water inlet flow passage 12 and the water outlet flow passage 13. The variable circulating water path is adopted to cool the mold core 11, cooling water only flows through the root part of the mold core 11 when cooling is started, as shown by a curved solid arrow in fig. 15, and along with the translation of the communication port towards the top end of the mold core 11 along the direction of realizing a hollow arrow, a cooling water path gradually diffuses towards the top end of the mold core 11, so that the effective control of the cooling diffusion path is realized.
Specifically, as shown in fig. 4 and 6, be equipped with the gap 15 that link up intake runner 12 and the whole length direction of exhalant canal 13 in succession between intake runner 12 and the exhalant canal 13, be equipped with water conservancy diversion stick 14 in the intake runner 12, water conservancy diversion stick 14 outer wall constitutes sealed normal running fit with intake runner 12 inner wall, as shown in fig. 11, be equipped with spiral guiding gutter 141 on the water conservancy diversion stick 14 outer wall, the one end that intake runner 12 is located the mold core 11 root is equipped with ring channel 121, ring channel 121 and inlet tube intercommunication, spiral guiding gutter 141 is located the one end and the ring channel 121 intercommunication of mold core 11 root, when water conservancy diversion stick 14 rotates for intake runner 12, on the spiral guiding gutter 141 with the region of gap 15 intercommunication shifts from mold core 11 root to mold core 11 top along mold core 11 length direction. The invention skillfully utilizes the continuous transmission principle of the spiral line to ensure that the communication area of the spiral diversion groove 141 and the water outlet flow channel 13 is continuously transferred to the top end of the mold core 11 along with the rotation of the diversion rod 14, thereby realizing the change of the cooling water path, and having simple transmission structure, easy implementation and low equipment cost.
Further, as shown in fig. 4 and 13, the mold further comprises a longitudinal flow channel 16 and a transverse flow channel 17 which are arranged inside the top end of the mold core 11, wherein the longitudinal flow channel 16 is perpendicular to the end surface of the mold core 11, the transverse flow channel 17 is parallel to the end surface of the mold core 11, one end of the longitudinal flow channel 16 is connected with the water inlet flow channel 12, the other end of the longitudinal flow channel is communicated with one end of the transverse flow channel 17, the other end of the transverse flow channel 17 is communicated with a water return flow channel 18 which is arranged along the length direction of the mold core 11; a water blocking block 161 is arranged between the longitudinal flow passage 16 and the water inlet flow passage 12, a notch 1611 is arranged at the edge of the water blocking block 161, and when the communication area between the spiral diversion groove 141 and the gap 15 is transferred to the top end closest to the mold core 11, the end part of the spiral diversion groove 141 is communicated with the notch 1611. Specifically, the longitudinal runners 16 and the transverse runners 17 are arranged in a plurality of groups corresponding to the water inlet runners 12 one by one, the transverse runners 17 are radially arranged, and the transverse runners 17 are gathered in the center of the mold core 11 and communicated with the same water return runner 18 arranged in the center of the mold core 11. The number of turns of the spiral diversion trench 141 is 1 turn, and the pitch is the length of the water outlet flow channel 13. The top end of the mold core 11 is the area closest to the sprue, so that cooling water cannot pass through the area at the initial cooling stage, and the blockage of a molten plastic supply channel due to premature solidification of the area is avoided.
Preferably, as shown in fig. 8, 9, 10 and 12, the mold core 11 includes a body 101 and a beryllium bronze insert 102 detachably disposed on a side wall, i.e., a top wall, of the body 101, and the water inlet channel 12, the water outlet channel 13, the longitudinal channel 16 and the transverse channel 17 are all opened in the beryllium bronze insert 102. The beryllium bronze insert 102 has an excellent heat conduction effect, and the runner is arranged in the beryllium bronze insert 102, so that the cooling rate can be increased, and the machining and the assembling of the runner are facilitated.
As shown in fig. 3 and 8, one end of the flow guide rod 14 located at the root of the mold core 11 protrudes to the outside of the mold core 11 and is rotatably connected with a bearing seat arranged at the outside of the mold core 11 through a bearing, and a servo motor 145 for driving the flow guide rod 14 to rotate is arranged at the outside of the mold core 11. Specifically, the water inlet flow channel 12 and the water outlet flow channel 13 are arranged at intervals along the side wall of the mold core 11. The outer ends of the guide rods 14 of each water inlet channel 12 are respectively provided with a chain wheel 142, a tension wheel 143 is arranged between the chain wheels 142 of two adjacent guide rods 14, the chain wheels 142 are synchronously and rotatably connected through a chain 144, and one guide rod 14 is in transmission connection with the main shaft of the servo motor 145.
Further, as shown in fig. 4, the cooling device further comprises an auxiliary cooling channel 22 which is arranged on a fixed die matched with the die core 11 and is vertical to the length direction of the die core 11.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. The utility model provides a garbage bin injection mold which characterized in that: the garbage can comprises a movable die and a fixed die, wherein a die core is arranged on the movable die, a die cavity is arranged on the fixed die, a die cavity for forming the garbage can is formed between the die core and the die cavity, and a sprue communicated with the die cavity is arranged on one side of the fixed die, which is back to the movable die; the movable die is characterized in that a discharging component is arranged at the root part of the die core and is assembled to eject the garbage can on the die core to the direction of the fixed die when the movable die is separated from the fixed die.
2. The trash can injection mold of claim 1, wherein: the subassembly of unloading includes along movable mould die sinking direction and movable mould sliding connection's ejector pin, the ejector pin corresponds the setting with the garbage bin bung hole flange, the ejector pin sets up the slider rigid coupling in the movable mould with sliding, even have a pull rod parallel with the ejector pin on the slider, pull rod protrusion sets up in the die joint of movable mould, and the jack that sets up on pull rod and the cover half constitutes the cooperation of pegging graft, be equipped with the neck that the diameter is less than the pull rod diameter on the pull rod, be equipped with the cardboard that sets up along the radial activity of jack in the jack, be equipped with the through-hole that supplies the pull rod to pass on the cardboard to and the draw-in groove that communicates with the through-hole, the width of draw-in groove is less than the pull rod: the through hole is opposite to the pull rod at the first station, and the clamping groove is opposite to the pull rod at the second station; the movable die is further provided with a lock pin for driving the clamping plate to slide, the lock pin is assembled in a way that the lock pin drives the clamping plate in the first station to the second station when the movable die and the fixed die are closed, and the lock pin drives the clamping plate in the second station to the first station when the movable die and the fixed die are separated by a stroke.
3. The trash can injection mold of claim 2, wherein: the lock pin is parallel to the pull rod and is fixedly connected with the movable mould, the fixed mould is provided with a pin hole matched with the lock pin, one end of the clamping plate extends into the pin hole, the clamping plate is provided with a lock hole for the lock pin to pass through, the two sides of the lock pin in the sliding direction of the clamping plate are respectively provided with a first wedge driving surface and a second wedge driving surface, the first wedge driving surface and the second wedge driving surface are arranged at a distance in the length direction of the lock pin, and the first wedge driving surface is positioned at one end closer to the movable mold, a first wedge surface and a second wedge surface are respectively arranged on two hole walls of the lock hole matched with the first wedge driving surface and the second wedge driving surface, when the movable mold and the fixed mold are closed, the first wedge driving surface acts on the first wedge surface to drive the clamping plate to slide from the first station to the second station, when the movable die is separated from the fixed die by a stroke, the second wedge driving surface acts on the second wedge surface to drive the clamping plate to slide from the second station to the first station.
4. The trash can injection mold of claim 3, wherein: and a pressure spring is arranged between the pull rod and the movable die, and the pressure spring is assembled to enable the pull rod to move relative to the movable die in the direction away from the fixed die through the elasticity of the pressure spring.
5. The trash can injection mold of claim 1, wherein: the die joint of the movable die is further provided with a guide rod protruding towards the fixed die, and the fixed die is provided with a guide hole matched with the guide rod in an inserting mode.
6. The trash can injection mold of claim 1, wherein: cooling pipelines are arranged in the movable die and the fixed die and comprise a water inlet channel and a water outlet channel which are arranged in the die core along the length direction of the die core, the water inlet channel is communicated with a water inlet pipe, and the water outlet channel is communicated with a water return pipe; and a communicating port is arranged between the water inlet flow channel and the water outlet flow channel and is movably arranged from the root part of the mold core to the top part of the mold core along the direction parallel to the water inlet flow channel and the water outlet flow channel.
7. The trash can injection mold of claim 6, wherein: be equipped with the gap that link up in succession the whole length direction of runner of intaking and play between water flow and the runner of intaking, be equipped with the water conservancy diversion stick in the runner of intaking, the excellent outer wall of water conservancy diversion constitutes sealed normal running fit with the runner inner wall of intaking, be equipped with the spiral guiding gutter on the excellent outer wall of water conservancy diversion, the one end that the runner of intaking is located the mold core root is equipped with the ring channel, ring channel and inlet tube intercommunication, the spiral guiding gutter is located the one end and the ring channel intercommunication of mold core root, when the water conservancy diversion stick rotates for the runner of intaking, on the spiral guiding gutter with the region of gap intercommunication shifts to the mold core top from the mold core root along mold core length direction.
8. The trash can injection mold of claim 7, wherein: the mold comprises a mold core, a water inlet channel, a water return channel, a transverse channel, a longitudinal channel and a transverse channel, wherein the longitudinal channel and the transverse channel are arranged in the top end of the mold core; and when the communication area between the spiral diversion trench and the gap is transferred to the position closest to the top end of the mold core, the end part of the spiral diversion trench is communicated with the gap part.
9. The trash can injection mold of claim 8, wherein: the mold core comprises a body and a beryllium bronze insert detachably arranged on the side wall, namely the top wall, of the body, and the water inlet flow passage, the water outlet flow passage, the longitudinal flow passage and the transverse flow passage are all arranged in the beryllium bronze insert; one end of the flow guide rod, which is positioned at the root part of the mold core, protrudes to the outer side of the mold core and is rotationally connected with a bearing seat arranged on the outer side of the mold core through a bearing, and a servo motor for driving the flow guide rod to rotate is arranged on the outer side of the mold core; a plurality of groups of water inlet flow passages and water outlet flow passages are arranged at intervals along the side wall of the mold core; the outer ends of the diversion rods of the water inlet runners are respectively provided with a chain wheel, a tension wheel is arranged between the chain wheels of two adjacent diversion rods, the chain wheels are synchronously and rotationally connected through a chain, and one diversion rod is in transmission connection with a main shaft of the servo motor; the longitudinal runners, the transverse runners and the water inlet runners are arranged in a plurality of groups in one-to-one correspondence, the transverse runners are radially arranged, and the transverse runners are converged at the center of the mold core and are communicated with the same water return runner arranged at the center of the mold core; the number of turns of the spiral diversion trench is 1 turn, and the thread pitch is the length of the water outlet flow channel.
10. The trash can injection mold of claim 6, wherein: the cooling device also comprises an auxiliary cooling runner which is arranged on the fixed die matched with the die core along the direction vertical to the length direction of the die core.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253760.2A CN110920007B (en) | 2019-12-09 | 2019-12-09 | Garbage bin injection mold |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911253760.2A CN110920007B (en) | 2019-12-09 | 2019-12-09 | Garbage bin injection mold |
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| CN110920007A true CN110920007A (en) | 2020-03-27 |
| CN110920007B CN110920007B (en) | 2021-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024124636A1 (en) * | 2022-12-11 | 2024-06-20 | 湖南利鑫塑料充气制品有限公司 | Multi-degree-of-freedom interlocking device for injection molding stripping and unloading of classified plastic dustbin |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205674437U (en) * | 2016-06-12 | 2016-11-09 | 浙江赛豪实业有限公司 | A kind of core-pulling mechanism of the double-color mold for producing Automobile lamp ornament |
| CN205735855U (en) * | 2016-06-23 | 2016-11-30 | 浙江伟星新型建材股份有限公司 | A kind of mould structure of core pulling |
| CN207359568U (en) * | 2017-09-30 | 2018-05-15 | 福州蓝卡潞工业有限公司 | A kind of spiral coolant flow channel |
| CN208263341U (en) * | 2018-10-18 | 2018-12-21 | 深圳市宏拓伟业精密五金制品有限公司 | Mold with efficient side core-drawing mechanism |
| CN208827009U (en) * | 2018-10-08 | 2019-05-07 | 景德镇陶瓷大学 | A kind of domestic garbage can injection mold |
| CN208854950U (en) * | 2018-09-30 | 2019-05-14 | 上海泽厘精密机电科技有限公司 | A kind of simple sliding block location structure |
| US10350803B2 (en) * | 2015-06-29 | 2019-07-16 | Otto Männer Innovation GmbH | Injection molding apparatus having cooled core sliders |
| CN209599760U (en) * | 2018-12-29 | 2019-11-08 | 厦门市信通联塑胶有限公司 | A kind of injection mold with side core-pulling |
| CN211221837U (en) * | 2019-12-09 | 2020-08-11 | 安徽江山机械有限公司 | Garbage bin injection mold |
-
2019
- 2019-12-09 CN CN201911253760.2A patent/CN110920007B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10350803B2 (en) * | 2015-06-29 | 2019-07-16 | Otto Männer Innovation GmbH | Injection molding apparatus having cooled core sliders |
| CN205674437U (en) * | 2016-06-12 | 2016-11-09 | 浙江赛豪实业有限公司 | A kind of core-pulling mechanism of the double-color mold for producing Automobile lamp ornament |
| CN205735855U (en) * | 2016-06-23 | 2016-11-30 | 浙江伟星新型建材股份有限公司 | A kind of mould structure of core pulling |
| CN207359568U (en) * | 2017-09-30 | 2018-05-15 | 福州蓝卡潞工业有限公司 | A kind of spiral coolant flow channel |
| CN208854950U (en) * | 2018-09-30 | 2019-05-14 | 上海泽厘精密机电科技有限公司 | A kind of simple sliding block location structure |
| CN208827009U (en) * | 2018-10-08 | 2019-05-07 | 景德镇陶瓷大学 | A kind of domestic garbage can injection mold |
| CN208263341U (en) * | 2018-10-18 | 2018-12-21 | 深圳市宏拓伟业精密五金制品有限公司 | Mold with efficient side core-drawing mechanism |
| CN209599760U (en) * | 2018-12-29 | 2019-11-08 | 厦门市信通联塑胶有限公司 | A kind of injection mold with side core-pulling |
| CN211221837U (en) * | 2019-12-09 | 2020-08-11 | 安徽江山机械有限公司 | Garbage bin injection mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024124636A1 (en) * | 2022-12-11 | 2024-06-20 | 湖南利鑫塑料充气制品有限公司 | Multi-degree-of-freedom interlocking device for injection molding stripping and unloading of classified plastic dustbin |
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| CN110920007B (en) | 2021-12-17 |
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Effective date of registration: 20211201 Address after: 317000 No. 57, Daotou village, Yanjiang Town, Linhai City, Taizhou City, Zhejiang Province Applicant after: Zheng Fangli Address before: 246000 Economic Development Zone, Yuexi County, Anqing City, Anhui Province (No.15 Liantang Road) Applicant before: ANHUI JIANGSHAN MACHINERY Co.,Ltd. |
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Effective date of registration: 20230914 Address after: 528200 Workshop 1 in Haizhou Development Zone, Xiqiao Town, Nanhai District, Foshan City, Guangdong Province (Address Declaration) Patentee after: Foshan dehedi plastic products Co.,Ltd. Address before: 317000 No. 57, Daotou village, Yanjiang Town, Linhai City, Taizhou City, Zhejiang Province Patentee before: Zheng Fangli |