CN110039733B - Automobile injection mold - Google Patents
Automobile injection mold Download PDFInfo
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- CN110039733B CN110039733B CN201910479494.9A CN201910479494A CN110039733B CN 110039733 B CN110039733 B CN 110039733B CN 201910479494 A CN201910479494 A CN 201910479494A CN 110039733 B CN110039733 B CN 110039733B
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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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
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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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3014—Door linings
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the field of injection molds, in particular to an automobile injection mold, which comprises a movable mold core, a fixed mold core, a movable frame, a mold opening and closing controller, an upper micro-top stripper, a lower micro-top stripper, lifters, a supporting plate, a stand column, a back plate and a base, wherein the movable mold core is fixed at the front end of the movable frame, the middle part of the movable frame is connected to the back plate, and the rear end of the movable frame is in transmission connection with the two lifters; the middle parts of the two liftout devices are connected on the back plate, and the front ends of the two liftout devices are respectively sealed and matched with the two ends of the bottom surface of the fixed die core in a sliding way; the invention can quickly and stably eject the injection molded automobile spare and accessory part products, and can improve the production and processing efficiency while ensuring the quality of the automobile spare and accessory part products.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an automobile injection mold.
Background
The automobile injection mold is one of devices required to be applied in the processing process of door panels or interior automobile parts, but after the injection molding of the automobile injection mold in the prior art is completed, the injection molded product has the problem of difficult demolding, the ejection mechanism needs to be used for ejection, the problem of synchronous ejection of the injection molded product when a movable mold is separated from a fixed mold cannot be realized, and the problem of easy product damage exists when the injection molded product is ejected directly through the ejection mechanism if the product is closer to the injection mold, so that the quality of the injection molded product is influenced.
Disclosure of Invention
The invention aims to provide an automobile injection mold, which can effectively solve the problems in the prior art; the invention can quickly and stably eject the injection molded automobile spare and accessory part products, and can improve the production and processing efficiency while ensuring the quality of the automobile spare and accessory part products.
The purpose of the invention is realized by the following technical scheme:
an automobile injection mold comprises a movable mold core, a fixed mold core, a movable frame, a mold opening and closing controller, an upper micro-ejection stripper, a lower micro-ejection stripper, ejectors, a supporting plate, a stand column, a back plate and a base, wherein the movable mold core is fixed at the front end of the movable frame, the middle part of the movable frame is connected to the back plate, and the rear end of the movable frame is in transmission connection with two ejectors; the middle parts of the two liftout devices are connected on the back plate, and the front ends of the two liftout devices are respectively sealed and matched with the two ends of the bottom surface of the fixed die core in a sliding way; the mold opening and closing controller is fixed on the back plate and is in transmission connection with the movable frame; the front end of the upper micro-top stripper is in sealed sliding fit with two ends of the top surface of the movable mold core, the middle part of the upper micro-top stripper is fixed on the movable frame, and the rear end of the upper micro-top stripper is fixed on the back plate; the upper end of the lower micro-top stripper is fixed on the movable frame, the middle part of the lower micro-top stripper is fixed on the back plate, and the lower end of the lower micro-top stripper is in sealing sliding fit with the centers of the supporting plate and the fixed die core; the fixed die core is fixed on the supporting plate, and the supporting plate is fixed on the base through the upright post; the back plate is vertically and fixedly connected with the base.
The mold opening and closing controller comprises a servo motor and a driving belt wheel; the servo motor is fixed on the back plate through a motor base, and a driving belt wheel is fixedly connected to an output shaft of the servo motor; the driving belt wheel is connected with the movable frame through belt transmission.
The movable frame comprises a driven belt wheel, a screw rod, a lifting sliding plate, a mounting frame, a door-shaped linkage plate and a transmission rack; the driving belt wheel is connected with a driven belt wheel fixed at the top end of the screw rod through belt transmission, the bottom end of the screw rod is connected with the lower end of the inner side of a vertical chute on the back plate in a rotating fit manner, the lifting sliding plate is in sliding fit in the vertical chute, and the lifting sliding plate is connected to the screw rod through threads; the front end and the rear end of the lifting sliding plate are respectively fixedly connected with the mounting frame and the door-shaped linkage plate; the mounting frame is fixedly connected with a movable mold core; the left end and the right end of the door-shaped linkage plate are respectively fixedly connected with a transmission rack, and teeth on the two transmission racks are arranged towards the outer side; the outer sides of the two transmission racks are respectively engaged with and connected with an ejector in a transmission way.
The ejector comprises a first gear, a first wheel shaft, a worm wheel, a screw, a rod seat plate, a linkage arm and an ejector rod; the outer side of the transmission rack is engaged and connected with a first gear, the first gear and a worm are respectively fixed at two ends of a first wheel shaft, the middle part of the first wheel shaft is rotatably matched on the back plate, the worm is engaged and connected with a worm wheel in a transmission way, the worm wheel is fixed at the upper end of a screw rod, the upper end of the screw rod is rotatably connected on a rod seat plate, and the rod seat plate is fixed on the back plate; the lower end of the screw rod is connected with one end of the linkage arm through threads, the other end of the linkage arm is fixedly connected with the lower end of the ejection rod, and the upper end of the ejection rod is in sealed sliding fit in an ejection hole in the bottom surface of the fixed die core.
When the movable mold core is buckled on the fixed mold core, the first gear is separated from the transmission rack.
The upper micro-ejection demoulding device comprises an upper ejector rod, a spring seat, an upper reset pressure spring, a movable connecting plate, a first rack, an upper irregular gear, an upper wheel shaft, an upper shaft seat plate, an upper gear and a second rack; the upper ejector rods are provided with two, the lower ends of the two upper ejector rods are respectively in sealing sliding fit in two upper penetrating rod holes in the top surface of the movable mold core, the upper ends of the two upper ejector rods are respectively and fixedly connected to two ends of the movable connecting plate, the two upper ejector rods are respectively and fixedly connected with a spring seat, the two upper ejector rods are respectively sleeved with an upper reset pressure spring, and two ends of the upper reset pressure spring are respectively and fixedly connected with the spring seat and the movable mold core; the rear end of the movable yoke plate is fixedly connected with the upper end of the first rack; the front end of the first rack is in meshed transmission connection with an upper irregular gear; the upper irregular gear and the upper gear are respectively fixed at two ends of the upper wheel shaft, the middle part of the upper wheel shaft is in running fit with the upper shaft seat plate, and the upper shaft seat plate is fixed on the mounting frame; the upper gear is in meshed transmission connection with the second rack; the second rack is fixed on the front side surface of the back plate.
The lower micro-ejection demoulding device comprises a lower ejector rod, a lower reset pressure spring, a lower seat plate, a guide rod, a third rack, a lower irregular gear, a lower wheel shaft, a lower shaft seat plate, a lower gear and a fourth rack; the upper end of the lower ejector rod is in sealed sliding fit with the centers of the supporting plate and the fixed die core; the lower end of the lower ejector rod is fixed on the lower seat plate, a lower reset pressure spring is sleeved on the lower ejector rod, and two ends of the lower reset pressure spring are respectively and fixedly connected with the supporting plate and the lower seat plate; the upper end of the guide rod is fixed on the supporting plate; the lower seat plate is connected to the guide rod in a sliding fit manner; a third rack is fixed at the rear end of the lower seat plate; the third rack is in meshed transmission connection with a lower irregular gear, the lower irregular gear and the lower gear are respectively fixed at two ends of a lower axle, the lower axle is connected on a lower axle seat plate in a rotating fit manner, and the lower axle seat plate is fixed on the front side surface of the back plate; the lower gear is in meshing transmission connection with the fourth rack; and the upper end of the fourth rack is fixed on the lifting sliding plate.
The middle of the top surface inside the movable mold core is provided with an injection molding opening, and the lower end inside the movable mold core is provided with an upper mold cavity.
The upper end of the inner part of the fixed die core is provided with a lower die cavity, and the lower die cavity is opposite to the upper die cavity.
The invention has the beneficial effects that: when the movable mold core and the fixed mold core are initially separated, the upper micro-ejection demolding device and the lower micro-ejection demolding device can be driven to perform intermittent reciprocating slight ejection on an injection molded product, so that the injection molded product can be favorably and nondestructively separated from the movable mold core and the fixed mold core; the automobile part ejection device can guarantee the quality of automobile part products, the upper micro-ejection stripper, the lower micro-ejection stripper and the two ejectors are matched for use, the ejection effect of the products can be improved, and the damage to the products during demolding is reduced.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a third schematic view of the overall structure of the present invention;
FIG. 4 is a schematic view of the internal moving mold core of the present invention;
FIG. 5 is a schematic view of the construction of an internal stationary mold core of the present invention;
FIG. 6 is a first schematic structural view of the internal movable frame of the present invention;
FIG. 7 is a second schematic structural view of the internal movable frame of the present invention;
FIG. 8 is a schematic structural view of an internal mold opening and closing controller according to the present invention;
FIG. 9 is a schematic view of the construction of the internal upper micro-ejector of the present invention;
FIG. 10 is a schematic view of the construction of the internal lower micro-top stripper of the present invention;
fig. 11 is a schematic view of the internal ejector of the present invention.
In the figure: a movable mold core 1; a fixed mold core 2; a movable frame 3; a driven pulley 3-1; 3-2 parts of a lead screw; 3-3 of a lifting sliding plate; mounting frames 3-4; 3-5 of a door-shaped linkage plate; a transmission rack 3-6; a mold opening and closing controller 4; a servo motor 4-1; a driving pulley 4-2; an upper micro-top stripper 5; an upper ejector rod 5-1; a spring seat 5-2; 5-3 of an upper reset pressure spring; 5-4 parts of a movable connecting plate; a first rack 5-5; 5-6 parts of upper irregular gear; 5-7 parts of an upper wheel shaft; 5-8 parts of an upper axle seat plate; 5-9 parts of upper gear; 5-10 parts of a second rack; a lower micro-top stripper 6; a lower ejector rod 6-1; a lower reset pressure spring 6-2; 6-3 of a lower seat plate; 6-4 of a guide rod; a third rack 6-5; 6-6 parts of a lower irregular gear; 6-7 of a lower wheel shaft; 6-8 parts of a lower shaft seat plate; 6-9 parts of a lower gear; a fourth rack 6-10; an ejector 7; a first gear 7-1; a first wheel axle 7-2; 7-3 of worm; 7-4 of a worm wheel; 7-5 parts of screw; 7-6 of a pole seat plate; 7-7 of a linkage arm; 7-8 of a knockout rod; a pallet 8; a column 9; a back plate 10; a base 11.
Detailed Description
The invention is described in further detail below with reference to fig. 1-11.
The first embodiment is as follows:
as shown in fig. 1-11, an automobile injection mold comprises a movable mold core 1, a fixed mold core 2, a movable frame 3, a mold opening and closing controller 4, an upper micro-top stripper 5, a lower micro-top stripper 6, ejectors 7, a supporting plate 8, a stand column 9, a back plate 10 and a base 11, wherein the movable mold core 1 is fixed at the front end of the movable frame 3, the middle part of the movable frame 3 is connected to the back plate 10, and the rear end of the movable frame 3 is in transmission connection with the two ejectors 7; the middle parts of the two liftout devices 7 are connected on the back plate 10, the front ends of the two liftout devices 7 are respectively sealed and matched with the two ends of the bottom surface of the fixed die core 2 in a sliding way; the mold opening and closing controller 4 is fixed on the back plate 10, and the mold opening and closing controller 4 is in transmission connection with the movable frame 3; the front end of the upper micro-ejection stripper 5 is in sealed sliding fit with two ends of the top surface of the movable mould core 1, the middle part of the upper micro-ejection stripper 5 is fixed on the movable frame 3, and the rear end of the upper micro-ejection stripper 5 is fixed on the back plate 10; the upper end of the lower micro-top stripper 6 is fixed on the movable frame 3, the middle part of the lower micro-top stripper 6 is fixed on the back plate 10, and the lower end of the lower micro-top stripper 6 is in sealing sliding fit with the center of the supporting plate 8 and the fixed die core 2; the fixed die core 2 is fixed on a supporting plate 8, and the supporting plate 8 is fixed on a base 11 through a stand column 9; the back plate 10 is fixedly connected with a base 11. The invention relates to an automobile injection mold, which is characterized in that when an automobile spare and accessory part product is required to be processed, a mold opening and closing controller 4 is firstly communicated with a power supply and is opened, after the mold opening and closing controller 4 is opened, a movable mold core 1 can be driven by a movable frame 3 to move downwards and be buckled on a fixed mold core 2, at the moment, the injection molding liquid is injected into the movable mold core 1 and the fixed mold core 2 by contacting an injection nozzle of an injection molding machine with an injection port of the movable mold core 1, cooling and shaping are carried out after the injection molding is finished, after cooling and shaping, controlling a mold opening and closing controller 4, wherein the mold opening and closing controller 4 drives a movable mold core 1 to move upwards through a movable frame 3 to separate from a fixed mold core 2, and when the movable mold core 1 moves upwards, an upper micro-ejection demolding device 5 can be driven to perform intermittent reciprocating type slight ejection on the top end of a cooled and shaped product from the upper end of the movable mold core 1, so that the cooled and shaped product is separated from the movable mold core 1; when the movable mold core 1 moves upwards, the lower micro-top stripper 6 can be driven to perform intermittent reciprocating type slight top motion on the bottom end of the cooled and shaped product from the lower end of the fixed mold core 2, so that the cooled and shaped product is separated from the fixed mold core 2, and the upper micro-top stripper 5 and the lower micro-top stripper 6 perform intermittent reciprocating type slight top motion on the injection molded product, so that the injection molded product is favorably separated from the movable mold core 1 and the fixed mold core 2; after the mold opening and closing controller 4 drives the movable mold core 1 to move upwards to a certain distance through the movable frame 3, the movable frame 3 is in contact fit with the two liftout devices 7, so that the two liftout devices 7 are controlled to thoroughly lift out an injection molded product from the fixed mold core 2, and the product is convenient to take out; the device can ensure the quality of the injection molded automobile spare and accessory parts, and the upper micro-top ejector 5, the lower micro-top ejector 6 and the two ejectors 7 are matched for use, so that the ejection effect of the product can be improved, and the damage to the product during demolding can be reduced.
The second embodiment is as follows:
as shown in fig. 1 to 11, the mold opening and closing controller 4 includes a servo motor 4-1 and a driving pulley 4-2; the servo motor 4-1 is fixed on the back plate 10 through a motor base, and the output shaft of the servo motor 4-1 is fixedly connected with a driving belt wheel 4-2; the driving belt wheel 4-2 is connected with the movable frame 3 through belt transmission. The servo motor 4-1 can drive the driving belt wheel 4-2 to rotate when working, and then the working of the movable frame 3 is controlled through the driving belt wheel 4-2.
The third concrete implementation mode:
as shown in fig. 1-11, the movable frame 3 comprises a driven belt wheel 3-1, a screw rod 3-2, a lifting sliding plate 3-3, a mounting frame 3-4, a door-shaped linkage plate 3-5 and a transmission rack 3-6; the driving belt wheel 4-2 is connected with a driven belt wheel 3-1 fixed at the top end of the screw rod 3-2 through belt transmission, the bottom end of the screw rod 3-2 is connected with the lower end of the inner side of a vertical chute on the back plate 10 in a rotating fit manner, the lifting sliding plate 3-3 is in a sliding fit manner in the vertical chute, and the lifting sliding plate 3-3 is connected to the screw rod 3-2 through threads; the front end and the rear end of the lifting sliding plate 3-3 are respectively fixedly connected with a mounting frame 3-4 and a door-shaped linkage plate 3-5; the mounting frame 3-4 is fixedly connected with a movable mould core 1; the left end and the right end of the door-shaped linkage plate 3-5 are respectively fixedly connected with a transmission rack 3-6, and teeth on the two transmission racks 3-6 are arranged towards the outer side; the outer sides of the two transmission racks 3-6 are respectively connected with an ejector 7 in a meshing transmission way. The movable mould core ejection mechanism is characterized in that a driven belt wheel 3-1 in the movable frame 3 can rotate under the driving of a driving belt wheel 4-2, the driven belt wheel 3-1 drives a screw rod 3-2 to rotate, a lifting sliding plate 3-3 can be driven to slide up and down in a vertical sliding groove, the front end of the lifting sliding plate 3-3 drives a movable mould core 1 to move up and down through an installation frame 3-4, the rear end of the lifting sliding plate 3-3 drives two transmission racks 3-6 to move up and down through a door-shaped linkage plate 3-5, and when the two transmission racks 3-6 move up to be in contact with two ejectors 7, the two ejectors 7 can be driven to eject an injection-molded product out of the fixed mould core 2.
The fourth concrete implementation mode:
as shown in fig. 1-11, the ejector 7 comprises a first gear 7-1, a first wheel shaft 7-2, a worm 7-3, a worm wheel 7-4, a screw 7-5, a rod seat plate 7-6, a linkage arm 7-7 and an ejector rod 7-8; the outer side of the transmission rack 3-6 is in meshed transmission connection with a first gear 7-1, the first gear 7-1 and a worm 7-3 are respectively fixed at two ends of a first wheel shaft 7-2, the middle part of the first wheel shaft 7-2 is in rotating fit with a back plate 10, the worm 7-3 is in meshed transmission connection with a worm wheel 7-4, the worm wheel 7-4 is fixed at the upper end of a screw rod 7-5, the upper end of the screw rod 7-5 is in rotating connection with a rod seat plate 7-6, and the rod seat plate 7-6 is fixed on the back plate 10; the lower end of the screw rod 7-5 is connected with one end of the linkage arm 7-7 through threads, the other end of the linkage arm 7-7 is fixedly connected with the lower end of the ejection rod 7-8, and the upper end of the ejection rod 7-8 is in sealing sliding fit in an ejection hole in the bottom surface of the fixed die core 2.
When the movable mold core 1 is buckled on the fixed mold core 2, the first gear 7-1 is separated from the transmission rack 3-6.
The ejector 7 is used for being matched with the transmission rack 3-6 to eject a product subjected to injection molding from the fixed mold core 2, when the movable mold core 1 is buckled on the fixed mold core 2, the first gear 7-1 is not contacted with the transmission rack 3-6, when the movable mold core 1 moves upwards to a moving position under the drive of the movable frame 3, the transmission rack 3-6 is contacted with the first gear 7-1 and drives the first gear 7-1 to rotate, the first gear 7-1 drives the worm 7-3 to rotate through the first wheel shaft 7-2, the worm 7-3 drives the worm wheel 7-4 to rotate when rotating, the worm wheel 7-4 drives the screw 7-5 to rotate when rotating, the ejector rod 7-8 is driven by the linkage arm 7-7 to move upwards and downwards when the screw 7-5 rotates, and when the movable mold core 1 moves upwards under the drive of the movable frame 3, the screw 7-5 rotates to drive the ejector rod 7-8 to move upwards, otherwise, the ejector rod moves downwards; the rear side face of the linkage arm 7-7 is in sliding fit with the front side face of the back plate 10, and the guide and limiting effects are achieved.
The fifth concrete implementation mode:
as shown in fig. 1-11, the upper micro-ejection stripper 5 comprises an upper ejector rod 5-1, a spring seat 5-2, an upper return compression spring 5-3, a movable connecting plate 5-4, a first rack 5-5, an upper irregular gear 5-6, an upper wheel axle 5-7, an upper axle seat plate 5-8, an upper gear 5-9 and a second rack 5-10; the upper ejector rods 5-1 are provided with two, the lower ends of the two upper ejector rods 5-1 are respectively in sealing sliding fit in two upper penetrating rod holes on the top surface of the movable mold core 1, the upper ends of the two upper ejector rods 5-1 are respectively and fixedly connected with two ends of the movable connecting plate 5-4, the two upper ejector rods 5-1 are respectively and fixedly connected with a spring seat 5-2, the two upper ejector rods 5-1 are respectively sleeved with an upper reset pressure spring 5-3, and two ends of the upper reset pressure spring 5-3 are respectively and fixedly connected with the spring seat 5-2 and the movable mold core 1; the rear end of the movable connecting plate 5-4 is fixedly connected with the upper end of the first rack 5-5; the front end of the first rack 5-5 is engaged with and connected with an irregular gear 5-6 in a transmission way; the upper irregular gears 5-6 and the upper gears 5-9 are respectively fixed at two ends of the upper wheel shafts 5-7, the middle parts of the upper wheel shafts 5-7 are rotatably matched on the upper shaft seat plates 5-8, and the upper shaft seat plates 5-8 are fixed on the mounting frames 3-4; the upper gear 5-9 is in meshed transmission connection with the second rack 5-10; the second racks 5-10 are fixed on the front side of the back plate 10. The upper micro-ejection stripper 5 performs intermittent reciprocating type slight ejection on the top end of the cooled and shaped product from the upper end of the movable mold core 1, so that the cooled and shaped product is separated from the movable mold core 1; when demoulding, the mounting rack 3-4 moves upwards to drive the upper shaft seat plate 5-8 to move upwards, the upper shaft seat plate 5-8 moves upwards to drive the upper gear 5-9 to move upwards, the upper gear 5-9 can rotate anticlockwise through matching with the second rack 5-10 when moving upwards, the upper gear 5-9 rotates anticlockwise to drive the upper irregular gear 5-6 to rotate anticlockwise through the upper wheel shaft 5-7, the upper irregular gear 5-6 rotates to drive the first rack 5-5 to move downwards, the first rack 5-5 moves downwards to drive the two upper ejector rods 5-1 to move downwards through the movable connecting plate 5-4, the two upper ejector rods 5-1 move downwards to drive the spring seat 5-2 to compress the upper reset pressure spring 5-3, the two upper ejector rods 5-1 downwards slightly push the top end of the cooled and shaped product from the upper end of the driven model core 1 in an intermittent reciprocating manner, when the upper irregular gear 5-6 rotates to be separated from the first rack 5-5, the spring seat 5-2 can drive the upper ejector rods 5-1 to return to the original position under the action of the elastic force of the upper reset pressure spring 5-3, and the upper ejector rods 5-1 intermittently push the cooled and shaped product through continuous contact and separation of the first rack 5-5 and the upper irregular gear 5-6.
The sixth specific implementation mode:
as shown in fig. 1-11, the lower micro-ejection stripper 6 comprises a lower ejector rod 6-1, a lower return pressure spring 6-2, a lower seat plate 6-3, a guide rod 6-4, a third rack 6-5, a lower irregular gear 6-6, a lower wheel shaft 6-7, a lower shaft seat plate 6-8, a lower gear 6-9 and a fourth rack 6-10; the upper end of the lower ejector rod 6-1 is in sealed sliding fit with the center of the supporting plate 8 and the fixed die core 2; the lower end of the lower ejector rod 6-1 is fixed on the lower seat plate 6-3, a lower reset pressure spring 6-2 is sleeved on the lower ejector rod 6-1, and two ends of the lower reset pressure spring 6-2 are respectively and fixedly connected with the supporting plate 8 and the lower seat plate 6-3; the upper end of the guide rod 6-4 is fixed on the supporting plate 8; the lower seat plate 6-3 is connected to the guide rod 6-4 in a sliding fit manner; a third rack 6-5 is fixed at the rear end of the lower seat plate 6-3; the third rack 6-5 is in meshed transmission connection with a lower irregular gear 6-6, the lower irregular gear 6-6 and a lower gear 6-9 are respectively fixed at two ends of a lower axle 6-7, the lower axle 6-7 is in running fit connection with a lower axle seat plate 6-8, and the lower axle seat plate 6-8 is fixed on the front side surface of the back plate 10; the lower gear 6-9 is in meshed transmission connection with a fourth rack 6-10; the upper end of the fourth rack 6-10 is fixed on the lifting sliding plate 3-3. The lower micro-ejection stripper 6 is used for performing intermittent reciprocating type slight ejection on the bottom end of the cooled and shaped product from the lower end of the fixed mold core 2 so that the cooled and shaped product is separated from the fixed mold core 2, during demolding, the mounting frame 3-4 moves upwards to drive the fourth rack 6-10 to move upwards, the fourth rack 6-10 moves upwards to drive the lower gear 6-9 to rotate, the lower gear 6-9 rotates to drive the lower irregular gear 6-6 to rotate through the lower wheel shaft 6-7, during demolding, the lower irregular gear 6-6 drives the third rack 6-5 to move upwards, the third rack 6-5 drives the lower seat plate 6-3 to move upwards, the lower seat plate 6-3 drives the lower ejector rod 6-1 to perform intermittent type slight ejection on the bottom end of the cooled and shaped product from the lower end of the fixed mold core 2 and compress the lower reset pressure spring 6-2, the intermittent reciprocating type slight jacking movement enables a cooled and shaped product to be separated from the fixed mold core 2, the lower irregular gear 6-6 is separated from the third rack 6-5, the lower seat plate 6-3 drives the lower ejector rod 6-1 to return to the original position under the action of the lower reset pressure spring 6-2, the lower seat plate 6-3 always slides on the guide rod 6-4, and the guide rod 6-4 plays a role in guiding and limiting.
The middle of the top surface inside the movable mold core 1 is provided with an injection molding opening, and the lower end inside the movable mold core 1 is provided with an upper mold cavity.
The upper end of the inner part of the fixed die core 2 is provided with a lower die cavity, and the lower die cavity is arranged opposite to the upper die cavity.
The working principle of the invention is as follows: the invention relates to an automobile injection mold, which is characterized in that when an automobile spare and accessory part product is required to be processed, a mold opening and closing controller 4 is firstly communicated with a power supply and is opened, after the mold opening and closing controller 4 is opened, a movable mold core 1 can be driven by a movable frame 3 to move downwards and be buckled on a fixed mold core 2, at the moment, the injection molding liquid is injected into the movable mold core 1 and the fixed mold core 2 by contacting an injection nozzle of an injection molding machine with an injection port of the movable mold core 1, cooling and shaping are carried out after the injection molding is finished, after cooling and shaping, controlling a mold opening and closing controller 4, wherein the mold opening and closing controller 4 drives a movable mold core 1 to move upwards through a movable frame 3 to separate from a fixed mold core 2, and when the movable mold core 1 moves upwards, an upper micro-ejection demolding device 5 can be driven to perform intermittent reciprocating type slight ejection on the top end of a cooled and shaped product from the upper end of the movable mold core 1, so that the cooled and shaped product is separated from the movable mold core 1; when the movable mold core 1 moves upwards, the lower micro-top stripper 6 can be driven to perform intermittent reciprocating type slight top motion on the bottom end of the cooled and shaped product from the lower end of the fixed mold core 2, so that the cooled and shaped product is separated from the fixed mold core 2, and the upper micro-top stripper 5 and the lower micro-top stripper 6 perform intermittent reciprocating type slight top motion on the injection molded product, so that the injection molded product is favorably separated from the movable mold core 1 and the fixed mold core 2; after the mold opening and closing controller 4 drives the movable mold core 1 to move upwards to a certain distance through the movable frame 3, the movable frame 3 is in contact fit with the two liftout devices 7, so that the two liftout devices 7 are controlled to thoroughly lift out an injection molded product from the fixed mold core 2, and the product is convenient to take out; the device can ensure the quality of the injection molded automobile spare and accessory parts, and the upper micro-top ejector 5, the lower micro-top ejector 6 and the two ejectors 7 are matched for use, so that the ejection effect of the product can be improved, and the damage to the product during demolding can be reduced.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (4)
1. The utility model provides an automobile injection mold, includes movable mould core (1), cover half core (2), adjustable shelf (3), switching mode controller (4), goes up a little knockout (5), pushes up knockout (6), ejector (7), layer board (8), stand (9), backplate (10) and base (11) a little down, its characterized in that: the movable mold core (1) is fixed at the front end of the movable frame (3), the middle part of the movable frame (3) is connected to the back plate (10), and the rear end of the movable frame (3) is in transmission connection with the two liftout devices (7); the middle parts of the two liftout devices (7) are connected on the back plate (10), and the front ends of the two liftout devices (7) are respectively sealed and matched with the two ends of the bottom surface of the fixed die core (2) in a sliding way; the mold opening and closing controller (4) is fixed on the back plate (10), and the mold opening and closing controller (4) is in transmission connection with the movable frame (3); the front end of the upper micro-ejection stripper (5) is in sealed sliding fit with two ends of the top surface of the movable mold core (1), the middle part of the upper micro-ejection stripper (5) is fixed on the movable frame (3), and the rear end of the upper micro-ejection stripper (5) is fixed on the back plate (10); the upper end of the lower micro-top stripper (6) is fixed on the movable frame (3), the middle part of the lower micro-top stripper (6) is fixed on the back plate (10), and the lower end of the lower micro-top stripper (6) is in sealing sliding fit with the centers of the supporting plate (8) and the fixed die core (2); the fixed die core (2) is fixed on a supporting plate (8), and the supporting plate (8) is fixed on a base (11) through an upright post (9); the back plate (10) is fixedly connected with a base (11);
the mold opening and closing controller (4) comprises a servo motor (4-1) and a driving belt wheel (4-2); the servo motor (4-1) is fixed on the back plate (10) through a motor base, and the output shaft of the servo motor (4-1) is fixedly connected with a driving belt wheel (4-2); the driving belt wheel (4-2) is connected with the movable frame (3) through belt transmission;
the movable frame (3) comprises a driven belt wheel (3-1), a screw rod (3-2), a lifting sliding plate (3-3), a mounting frame (3-4), a door-shaped linkage plate (3-5) and a transmission rack (3-6); the driving belt wheel (4-2) is connected with a driven belt wheel (3-1) fixed at the top end of the screw rod (3-2) through belt transmission, the bottom end of the screw rod (3-2) is connected to the lower end of the inner side of a vertical chute on the back plate (10) in a rotating fit manner, the lifting sliding plate (3-3) is in sliding fit in the vertical chute, and the lifting sliding plate (3-3) is connected to the screw rod (3-2) through threads; the front end and the rear end of the lifting sliding plate (3-3) are respectively fixedly connected with a mounting rack (3-4) and a door-shaped linkage plate (3-5); the mounting rack (3-4) is fixedly connected with a movable mold core (1); the left end and the right end of the door-shaped linkage plate (3-5) are respectively fixedly connected with a transmission rack (3-6), and teeth on the two transmission racks (3-6) are arranged towards the outer side; the outer sides of the two transmission racks (3-6) are respectively connected with an ejector (7) in a meshing transmission way;
the ejector (7) comprises a first gear (7-1), a first wheel shaft (7-2), a worm (7-3), a worm wheel (7-4), a screw rod (7-5), a rod seat plate (7-6), a linkage arm (7-7) and an ejector rod (7-8); the outer side of the transmission rack (3-6) is in meshed transmission connection with a first gear (7-1), the first gear (7-1) and a worm (7-3) are respectively fixed at two ends of a first wheel shaft (7-2), the middle of the first wheel shaft (7-2) is in rotating fit with a back plate (10), the worm (7-3) is in meshed transmission connection with a worm wheel (7-4), the worm wheel (7-4) is fixed at the upper end of a screw rod (7-5), the upper end of the screw rod (7-5) is in rotating connection with a rod seat plate (7-6), and the rod seat plate (7-6) is fixed on the back plate (10); the lower end of the screw (7-5) is connected with one end of a linkage arm (7-7) through threads, the other end of the linkage arm (7-7) is fixedly connected with the lower end of an ejector rod (7-8), and the upper end of the ejector rod (7-8) is in sealing sliding fit in an ejector hole in the bottom surface of the fixed die core (2);
the upper micro-ejection demoulding device (5) comprises an upper ejector rod (5-1), a spring seat (5-2), an upper reset pressure spring (5-3), a movable connecting plate (5-4), a first rack (5-5), an upper irregular gear (5-6), an upper wheel shaft (5-7), an upper shaft seat plate (5-8), an upper gear (5-9) and a second rack (5-10); the upper ejector rods (5-1) are provided with two, the lower ends of the two upper ejector rods (5-1) are respectively in sealing sliding fit in two upper rod penetrating holes in the top surface of the movable mold core (1), the upper ends of the two upper ejector rods (5-1) are respectively and fixedly connected with two ends of the movable connecting plate (5-4), the two upper ejector rods (5-1) are respectively and fixedly connected with a spring seat (5-2), the two upper ejector rods (5-1) are respectively sleeved with an upper reset pressure spring (5-3), and two ends of the upper reset pressure spring (5-3) are respectively and fixedly connected with the spring seat (5-2) and the movable mold core (1); the rear end of the movable yoke plate (5-4) is fixedly connected with the upper end of the first rack (5-5); the front end of the first rack (5-5) is engaged with and connected with an irregular gear (5-6) in a transmission way; the upper irregular gears (5-6) and the upper gears (5-9) are respectively fixed at two ends of an upper wheel shaft (5-7), the middle part of the upper wheel shaft (5-7) is in running fit with an upper shaft seat plate (5-8), and the upper shaft seat plate (5-8) is fixed on the mounting frame (3-4); the upper gear (5-9) is in meshed transmission connection with the second rack (5-10); the second rack (5-10) is fixed on the front side surface of the back plate (10);
the lower micro-ejection stripper (6) comprises a lower ejector rod (6-1), a lower reset pressure spring (6-2), a lower seat plate (6-3), a guide rod (6-4), a third rack (6-5), a lower irregular gear (6-6), a lower wheel shaft (6-7), a lower shaft seat plate (6-8), a lower gear (6-9) and a fourth rack (6-10); the upper end of the lower ejector rod (6-1) is in sealed sliding fit with the center of the supporting plate (8) and the center of the fixed die core (2); the lower end of the lower ejector rod (6-1) is fixed on the lower seat plate (6-3), a lower reset pressure spring (6-2) is sleeved on the lower ejector rod (6-1), and two ends of the lower reset pressure spring (6-2) are respectively and fixedly connected with the supporting plate (8) and the lower seat plate (6-3); the upper end of the guide rod (6-4) is fixed on the supporting plate (8); the lower seat plate (6-3) is connected to the guide rod (6-4) in a sliding fit manner; a third rack (6-5) is fixed at the rear end of the lower seat plate (6-3); the third rack (6-5) is in meshed transmission connection with a lower irregular gear (6-6), the lower irregular gear (6-6) and a lower gear (6-9) are respectively fixed at two ends of a lower axle (6-7), the lower axle (6-7) is connected on a lower axle seat plate (6-8) in a rotating fit manner, and the lower axle seat plate (6-8) is fixed on the front side face of the back plate (10); the lower gear (6-9) is in meshed transmission connection with a fourth rack (6-10); the upper end of the fourth rack (6-10) is fixed on the lifting sliding plate (3-3).
2. The automotive injection mold of claim 1, wherein: when the movable mold core (1) is buckled on the fixed mold core (2), the first gear (7-1) is separated from the transmission rack (3-6).
3. The automotive injection mold of claim 1, wherein: the middle of the top surface inside the movable mold core (1) is provided with an injection molding opening, and the lower end inside the movable mold core (1) is provided with an upper mold cavity.
4. The automotive injection mold of claim 2, wherein: the upper end of the inside of the fixed die core (2) is provided with a lower die cavity, and the lower die cavity is opposite to the upper die cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910479494.9A CN110039733B (en) | 2019-06-04 | 2019-06-04 | Automobile injection mold |
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| CN201910479494.9A CN110039733B (en) | 2019-06-04 | 2019-06-04 | Automobile injection mold |
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| CN110039733B true CN110039733B (en) | 2020-12-15 |
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| CN110653970A (en) * | 2019-11-12 | 2020-01-07 | 阜阳常阳汽车部件有限公司 | Impact-resistant automobile anti-collision beam mold |
| CN111216322B (en) * | 2020-03-03 | 2021-12-21 | 宁波博通塑业有限公司 | Injection molding method |
| CN111352017A (en) * | 2020-03-08 | 2020-06-30 | 邱贤春 | Semiconductor chip detection device |
| CN112549407B (en) * | 2020-11-20 | 2022-08-09 | 苏州利来汽车配件有限公司 | Automobile stamping die and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6440349B1 (en) * | 2000-03-11 | 2002-08-27 | Wallace E. Johnson | Process and apparatus for candle-making |
| CN202462816U (en) * | 2011-12-30 | 2012-10-03 | 苏州市东庄大通精密模具有限公司 | Demolding mechanism for injection molding machines |
| CN203004254U (en) * | 2013-01-16 | 2013-06-19 | 凯莱模具（深圳）有限公司 | Die balance ejection mechanism |
| CN104309083B (en) * | 2014-11-21 | 2016-04-06 | 宁波双利智能科技有限公司 | The injection moulding device containing rack-and-pinion is adopted to carry out the method for matched moulds die sinking |
| EP3265288B1 (en) * | 2015-03-03 | 2021-04-14 | Limworks, Llc | Injection molding machine |
| CN204936094U (en) * | 2015-07-31 | 2016-01-06 | 天津银宝山新科技有限公司 | Rack drives rotation stripping mechanism |
| CN206718354U (en) * | 2017-04-12 | 2017-12-08 | 温州市中工精密模具有限公司 | A kind of injection mold open tubular column side opening integrated mould |
| CN208197423U (en) * | 2018-04-26 | 2018-12-07 | 深圳市三湘源电子科技有限公司 | A kind of injection mold |
| CN109304847A (en) * | 2018-12-03 | 2019-02-05 | 黄石市三木塑料模具股份有限公司 | A kind of ejection guiding mechanism of plastic mould |
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Effective date of registration: 20201126 Address after: 518000, 1st floor, building 5, hengmingzhu science and Technology Park, Xinqiao Tongfu Industrial Zone, Gonghe community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Jiasen Mould Industry Co., Ltd Address before: Room 301, No. 87 Garden Road, Shacheng District, Jingzhou City, Hubei Province Applicant before: Mao Qianying |
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