CN116001216A - Mobile phone protection shell injection molding device - Google Patents
Mobile phone protection shell injection molding device Download PDFInfo
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- CN116001216A CN116001216A CN202310040912.0A CN202310040912A CN116001216A CN 116001216 A CN116001216 A CN 116001216A CN 202310040912 A CN202310040912 A CN 202310040912A CN 116001216 A CN116001216 A CN 116001216A
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Abstract
The invention relates to the field of plastic processing, in particular to an injection molding device of a mobile phone protective shell, which comprises a frame, an injection molding mechanism, a female die mechanism, a male die mechanism and a trimming mechanism, wherein the female die mechanism is fixedly arranged on the frame; the male die mechanism can slide left and right and is matched with the female die mechanism to define an upper die cavity and a lower die cavity; the injection molding liquid is cooled in the cavity to form two protective shells; the trimming mechanism comprises a driving assembly and a cutting and polishing assembly, a transmission assembly is arranged between the male die mechanism and the female die mechanism, and the transmission assembly enables the cutting and polishing assembly to move to the connecting position of the two protective shells along the front-rear direction when the male die mechanism and the female die mechanism are far away; the drive assembly drives the cutting and polishing assembly to reciprocate in the left-right direction, so that the cutting and polishing effect of the cutting and polishing assembly is improved, the cutting and polishing of residual plastic between the two protective shells are completed, no additional working procedure is needed, the subsequent workload is reduced, and the efficiency is effectively improved.
Description
Technical Field
The invention relates to the field of plastic processing, in particular to an injection molding device for a mobile phone protective shell.
Background
The mobile phone protective housing is usually a plastic product, and is molded by an injection molding process, and excessive plastic can remain at the gate position of the product during injection molding, so that the product appearance is ensured and the product needs to be cut off. In the prior art, the cutting is usually needed to be manually cut or automatically cut by adopting related special equipment. For example, the patent of CN103407114B discloses an automatic punching machine for injection nozzle, which can cut the injection nozzle of the product from the previous step and send the cut product to the next step, but still requires additional steps, and the product needs to be moved during cutting, thus affecting the processing efficiency.
Disclosure of Invention
The invention provides an injection molding device for a mobile phone protective shell, which aims to solve the problem that the procedure of cutting a water gap is complex in the existing injection molding process.
The invention relates to a mobile phone protective housing injection molding device, which adopts the following technical scheme:
the injection molding device of the mobile phone protective shell comprises a frame, an injection molding mechanism, a female die mechanism, a male die mechanism and a trimming mechanism, wherein the female die mechanism is fixedly arranged on the frame; the male die mechanism can slide left and right and is matched with the female die mechanism to define an upper die cavity and a lower die cavity; the injection molding mechanism simultaneously performs injection molding on the two cavities from the middle position of the two cavities; the injection molding liquid is cooled in the cavity to form two protective shells, the rear male die mechanism is far away from the female die mechanism, the two protective shells are buckled on the male die mechanism, and the two protective shells are connected through residual plastic; the trimming mechanism comprises a driving assembly and a cutting and polishing assembly, a transmission assembly is arranged between the male die mechanism and the female die mechanism, and the transmission assembly enables the cutting and polishing assembly to move to the connecting position of the two protective shells along the front-rear direction when the male die mechanism and the female die mechanism are far away; the driving assembly drives the cutting and polishing assembly to reciprocate in the left-right direction, so that the cutting and polishing assembly cuts and polishes the connecting position between the two protective shells.
The transmission assembly comprises a screw, a gear and a rack, wherein the rack extends in the left-right direction and is arranged on the female die mechanism; the screw extends along the front-back direction and is rotatably arranged on the male die mechanism, and the gear is arranged on the screw and meshed with the rack; when the male die mechanism and the female die mechanism are close to each other, the rack drives the gear to rotate forward, and then the screw is driven to rotate forward; when the male die mechanism and the female die mechanism are mutually far away, the rack drives the gear to rotate reversely, so that the screw is driven to rotate reversely; the cutting and polishing assembly is slidably mounted on the male die mechanism along the front-rear direction and is in threaded fit with the screw, and moves in a direction away from the connecting positions of the two protective shells when the screw rotates positively, and moves in a direction close to the connecting positions of the two protective shells when the screw rotates reversely.
The cutting and polishing assembly comprises a moving seat, a polishing plate, a cutting piece, a pushing block and a spiral block, wherein the spiral block is slidably arranged on the male die mechanism along the front-back direction, the moving seat is sleeved outside the spiral block and can move left and right relative to the spiral block, and the spiral block is in threaded fit with the screw rod and drives the moving seat to move back and forth when the screw rod rotates; two cutting sheets are horizontally arranged on the movable seat and are respectively used for cutting the connection positions of the two protective shells and the residual plastic; the two polishing plates are respectively positioned between the movable seat and the two cutting sheets, can move up and down relative to the movable seat and are connected with the movable seat through tension springs; the polishing plate is abutted with the screw rod through the pushing block; one end of the screw rod, which is close to the connecting position of the two protective shells, is provided with a guide post, the guide post is coaxial with the screw rod, the diameter of the guide post is larger than that of the screw rod, and the cylindrical surface of the guide post is connected with the screw rod through a conical surface; in the initial state, the polishing plates do not exceed the plane of the cutting pieces under the action of the tension springs until the polishing plates move to the connection positions of the two protective shells along with the movable seat, and the pushing block pushes the two polishing plates to move to be level with the two cutting pieces under the action of the guide posts, so that the positions of the protective shells after cutting are polished.
The driving assembly comprises a motor, a rotating wheel, a sliding block and a supporting rod, and the supporting rod is connected with the movable seat; the motor is arranged on the male die mechanism, the rotating wheel is arranged on an output shaft of the motor around a vertical axis, and an eccentric column which extends vertically is arranged at an eccentric position on the rotating wheel; the sliding block is arranged on the supporting rod in a sliding manner along the front-back direction, and is rotatably arranged on the eccentric column around the vertical axis; the runner rotates under the drive of motor, and then drives the slider and rotates and slide along the bracing piece around the axis of runner, and then drives the removal seat through the bracing piece and control the removal.
The male die mechanism is positioned at the left side of the female die mechanism and comprises a support frame and a forming plate, the forming plate is positioned at the right side of the support frame, a push rod is arranged at the left side of the forming plate, and the push rod can be installed on the support frame in a left-right sliding manner; the mobile phone protective shell injection molding device further comprises a demolding mechanism, wherein the demolding mechanism comprises a first ejector block and a second ejector block, the two first ejector blocks are respectively arranged on the upper side and the lower side of the movable seat in a vertically sliding manner and are connected with the movable seat through springs; when the cutting and polishing assembly moves to the connecting position of the two protective shells, the first ejector block is retracted into the moving seat under the extrusion of the protective shells; the second top blocks are respectively arranged above and below the two protective shells; the second ejector block is connected with the support frame through a spring, when the male die mechanism is matched with the female die mechanism, the second ejector block is retracted into the support frame under the pushing of the female die mechanism, and after injection molding is finished and the male die mechanism is separated from the female die mechanism, the second ejector block is abutted with the protective shell under the action of the spring; after the cutting and polishing assembly cuts and polishes residual plastic between the two protective shells, the forming plate is pushed to move rightwards through the pushing rod, the first pushing block and the second pushing block extend out under the action of respective springs, and when the pushing rod drives the forming plate to retract leftwards, the right side faces of the first pushing block and the second pushing block push the protective shells to be separated from the forming plate.
The injection molding mechanism comprises an injection molding cylinder, an auger and a driving part, wherein the injection molding cylinder is horizontally arranged, the injection molding cylinder is provided with a feed hopper, and the auger is horizontally arranged in the injection molding cylinder; the female die mechanism is arranged at the left side of the injection molding cylinder, and an injection molding opening communicated with the injection molding cylinder and the cavity is arranged on the female die mechanism; the driving part drives the auger to rotate to convey the injection molding liquid to the left side in the injection molding cylinder, and the rear driving part drives the auger to move leftwards to drive the injection molding liquid into the cavity through the injection molding opening.
The beneficial effects of the invention are as follows: according to the mobile phone protective shell injection molding device, in the process that injection molding is completed, the male die mechanism and the female die mechanism are far away, the transmission assembly and the driving assembly enable the cutting and polishing assembly to move along the front-back direction and move along the back-and-forth direction in a reciprocating mode, so that the cutting and polishing effect of the cutting and polishing assembly is improved, cutting and polishing of residual plastic between the two protective shells are completed, additional working procedures are not required, subsequent workload is reduced, and efficiency is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of an injection molding device for a mobile phone protective shell according to the present invention;
fig. 2 is a front view of the whole structure of an injection molding device of a mobile phone protective shell according to the present invention;
fig. 3 is a left side view of the whole structure of the injection molding device of the mobile phone protective shell of the invention;
FIG. 4 isbase:Sub>A schematic view of the section A-A of FIG. 3;
FIG. 5 is an enlarged schematic view of FIG. 4 at B;
fig. 6 is a schematic diagram showing a matching state of a male mold mechanism and a female mold mechanism in an injection molding device of a mobile phone protective shell according to the present invention;
fig. 7 is a schematic sectional view showing a matching state of a male mold mechanism and a female mold mechanism in an injection molding device of a mobile phone protective shell according to the present invention;
fig. 8 is a schematic structural diagram of a trimming mechanism, a male die mechanism and a protective housing in an injection molding device of a mobile phone protective housing according to the present invention;
fig. 9 is a schematic diagram of a trimming mechanism in an injection molding device for a mobile phone protective shell according to the present invention.
In the figure: 100. a frame; 200. an injection molding mechanism; 210. an injection molding cylinder; 220. an auger; 230. a driving section; 240. a feed hopper; 300. a female die mechanism; 310. an injection molding port; 320. avoiding blocks; 400. a male die mechanism; 410. a support frame; 420. forming a plate; 430. pushing the push rod; 500. a trimming mechanism; 510. a drive assembly; 511. a motor; 512. a rotating wheel; 513. a slide block; 514. a support rod; 520. cutting and polishing components; 521. a movable seat; 522. polishing the plate; 523. cutting the sheet; 524. pushing blocks; 525. a screw block; 530. a transmission assembly; 531. a screw; 532. a gear; 533. a rack; 534. a guide post; 600. a protective shell; 710. a first top block; 720. and a second top block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of an injection molding device for a mobile phone protective shell of the present invention, as shown in fig. 1 to 9, includes a frame 100, an injection molding mechanism 200, a female mold mechanism 300, a male mold mechanism 400, and a trimming mechanism 500.
The female die mechanism 300 is fixedly arranged on the frame 100; the male die mechanism 400 can slide left and right and is matched with the female die mechanism 300 to define an upper die cavity and a lower die cavity; the injection molding mechanism 200 performs injection molding to the two cavities from the middle position of the two cavities at the same time; after the injection molding liquid is cooled in the cavity, two protective shells 600 are formed, the rear male die mechanism 400 is far away from the female die mechanism 300, the two protective shells 600 are buckled on the male die mechanism 400, and the two protective shells 600 are connected through residual plastic. Wherein the movement of the punch mechanism 400 in the left-right direction is driven by an external driving element (not shown in the figure), for example, a hydraulic cylinder is used to drive the punch mechanism 400 to reciprocate to cooperate with the die mechanism 300.
The trimming mechanism 500 comprises a driving component 510 and a cutting and polishing component 520, a transmission component 530 is arranged between the male die mechanism 400 and the female die mechanism 300, and the transmission component 530 enables the cutting and polishing component 520 to move towards the connecting position of the two protective shells 600 along the front-back direction when the male die mechanism 400 and the female die mechanism 300 are far away; the driving assembly 510 drives the cutting and polishing assembly 520 to reciprocate in the left and right directions, so that the cutting and polishing assembly 520 moves back and forth in the left and right directions while moving toward the connection position of the two protective cases 600, increasing the cutting and polishing effect on the connection position between the two protective cases 600.
In the present embodiment, the transmission assembly 530 includes a screw 531, a gear 532, and a rack 533, and the rack 533 extends in the left-right direction and is mounted to the female die mechanism 300; the screw 531 extends in the front-rear direction and is rotatably mounted to the punch mechanism 400 while being restricted from moving in the front-rear direction by the punch mechanism 400, and the gear 532 is mounted to the screw 531 and is engaged with the rack 533; when the male die mechanism 400 and the female die mechanism 300 are close to each other, the rack 533 drives the gear 532 to rotate forward, and then drives the screw 531 to rotate forward; when the male die mechanism 400 and the female die mechanism 300 are away from each other, the rack 533 drives the gear 532 to rotate reversely, so that the screw 531 is driven to rotate reversely; the cutting and polishing assembly 520 is slidably mounted on the punch mechanism 400 in the front-rear direction, is screwed with the screw 531, and moves away from the connection position of the two protective cases 600 when the screw 531 rotates forward, and moves toward the connection position of the two protective cases 600 when the screw 531 rotates backward.
In the present embodiment, the cutting and polishing assembly 520 includes a moving base 521, a polishing plate 522, a cutting piece 523, a pushing block 524, and a screw block 525, the screw block 525 is slidably mounted to the punch mechanism 400 in the front-rear direction, and the punch mechanism 400 restricts the movement of the screw block 525 in the left-right direction; the movable seat 521 is sleeved outside the screw block 525 and can move left and right relative to the screw block 525, and the screw block 525 is in threaded fit with the screw 531 and drives the movable seat 521 to move back and forth when the screw 531 rotates. Two cutting pieces 523 are horizontally arranged on the movable seat 521 and respectively positioned on the upper side and the lower side of the screw 531, and the two cutting pieces 523 are respectively used for cutting the connection positions of the two protective shells 600 and the residual plastic; the two polishing plates 522 are respectively positioned between the movable seat 521 and the two cutting plates 523, and the polishing plates 522 can move up and down relative to the movable seat 521 and are connected with the movable seat 521 through tension springs; the pushing block 524 is fixedly connected with the polishing plate 522; specifically, the cutting plate 523 is connected to the movable base 521 through a connecting plate, which is located between the polishing plate 522 and the screw 531, and the pushing block 524 is located at a side of the polishing plate 522. One end of the screw 531, which is close to the connecting position of the two protective cases 600, is provided with a guide post 534, the guide post 534 is coaxial with the screw 531, the diameter of the guide post 534 is larger than that of the screw 531, and the cylindrical surface of the guide post 534 is connected with the screw 531 through a conical surface. In the initial state, the polishing plate 522 does not exceed the plane of the cutting piece 523 under the action of the tension spring, so that the polishing plate 522 is prevented from polishing the position of the protective shell 600 where no plastic remains, and the original surface quality of the protective shell 600 is prevented from being influenced; until the polishing plate 522 moves to the connection position of the two protective cases 600 along with the moving seat 521, the pushing block 524 pushes the two polishing plates 522 to be level with the two cutting pieces 523 under the action of the guide post 534, and then polishes the position of the protective case 600 after cutting.
In the present embodiment, the driving assembly 510 includes a motor 511, a rotating wheel 512, a slider 513, and a support rod 514, and the support rod 514 is connected to the moving seat 521; the motor 511 is mounted on the male die mechanism 400, the rotating wheel 512 is mounted on an output shaft of the motor 511 around a vertical axis, and an eccentric column extending vertically is arranged at an eccentric position on the rotating wheel 512; the sliding block 513 is slidably mounted on the supporting rod 514 along the front-rear direction, and the sliding block 513 is rotatably mounted on the eccentric column around the vertical axis; the runner 512 is driven by the motor 511 to rotate, so as to drive the sliding block 513 to rotate around the axis of the runner 512 and slide along the supporting rod 514, so that the sliding block 513 drives the moving seat 521 to move left and right through the supporting rod 514.
In this embodiment, the male die mechanism 400 is located at the left side of the female die mechanism 300, and the male die mechanism 400 includes a support frame 410 and a forming plate 420, the forming plate 420 is located at the right side of the support frame 410, and a push rod 430 is disposed at the left side of the forming plate 420, and the push rod 430 is slidably mounted on the support frame 410; the motor 511, the screw 531, the screw block 525 and the moving base 521 are all mounted to the support frame 410. When the female die mechanism 300 is matched with the male die mechanism 400, the female die mechanism 300 is abutted against the supporting frame 410 and defines a cavity with the forming plate 420, and the rack 533 can penetrate through the supporting frame 410 along the left-right direction. The mobile phone protective shell injection molding device further comprises a demolding mechanism, wherein the demolding mechanism comprises a first top block 710 and a second top block 720, two first top blocks 710 are respectively arranged on the upper side and the lower side of the movable seat 521 in a vertically sliding manner, and are connected with the movable seat 521 through springs; when the cutting and polishing assembly 520 moves to the connection position of the two protective cases 600, the first top block 710 is retracted into the moving seat 521 under the pressing of the protective cases 600; the side of the first top block 710 facing the connecting position of the two protection shells 600 is an arc surface, so that the protection shells 600 press the first top block 710 back into the movable seat 521 along the arc surface. The second top blocks 720 are respectively arranged above and below the two protective shells 600; the second ejector block 720 is connected with the support frame 410 through a spring, when the male die mechanism 400 is matched with the female die mechanism 300, the second ejector block 720 is retracted into the support frame 410 under the pushing of the female die mechanism 300, and after injection molding is completed and the male die mechanism 400 is separated from the female die mechanism 300, the second ejector block 720 is abutted with the protective shell 600 under the action of the spring; specifically, the female die mechanism 300 is provided with an avoidance block 320, and when the female die mechanism 300 is matched with the male die mechanism 400, the avoidance block 320 pushes the second top block 720 to retract into the support frame 410; and the side of the second top block 720 facing the female die mechanism 300 is an arc surface, so that the avoiding block 320 presses the second top block 720 back into the supporting frame 410 along the arc surface. After the cutting and polishing assembly 520 cuts and polishes the residual plastic between the two protective cases 600, the ejector rod 430 pushes the forming plate 420 to move rightwards, the first ejector block 710 and the second ejector block 720 extend under the action of respective springs, and when the ejector rod 430 drives the forming plate 420 to retract leftwards, the right side surfaces of the first ejector block 710 and the second ejector block 720 push the protective cases 600 to be separated from the forming plate 420. The first top block 710 and the second top block 720 are in a limit position extending under the action of the respective springs to be just abutted against the forming plate 420, so that the first top block 710 and the second top block 720 are prevented from affecting the retraction of the forming plate 420. The left and right movement of the push rod 430 is driven by an external driving member (not shown), and for example, the left and right movement of the push rod 430 may be driven by a linear motor.
In this embodiment, the injection molding mechanism 200 includes an injection molding barrel 210, an auger 220 and a driving part 230, the injection molding barrel 210 is horizontally arranged, a feed hopper 240 is arranged on the injection molding barrel 210, and the auger 220 is horizontally installed in the injection molding barrel 210; the female die mechanism 300 is arranged at the left side of the injection cylinder 210, and an injection port 310 communicated with both the injection cylinder 210 and the cavity is arranged on the female die mechanism 300; the driving part 230 drives the screw 220 to rotate, and the injection liquid is conveyed to the left side in the injection cylinder 210 and then is injected into the cavity from the injection port 310. The driving part 230 is a rotating motor in the prior art. To ensure that the plastic in the injection molding cylinder 210 is in a molten state, a heating pipe may be additionally installed on the circumferential wall of the injection molding cylinder 210.
When the injection molding device for the mobile phone protective shell is used, the male die mechanism 400 is moved to be matched with the female die mechanism 300 to define two cavities, then the driving part 230 is started, the auger 220 is enabled to rotate to convey injection molding liquid leftwards, and then the injection molding liquid is driven into the two cavities through the injection molding opening 310, and the solid protective shell 600 is formed after the injection molding liquid is cooled in the cavities. Then, the male die mechanism 400 and the female die mechanism 300 are moved away, the motor 511 is started, in the process that the male die mechanism 400 and the female die mechanism 300 are away, the rack 533 drives the gear 532 to rotate reversely, the screw 531 is further driven to rotate reversely, the screw block 525 drives the movable base 521 to move towards the direction close to the connecting position of the two protective shells 600 under the threaded fit of the screw 531, and meanwhile, the motor 511 drives the movable base 521 to move left and right in a reciprocating manner through the rotating wheel 512, the sliding block 513 and the supporting rod 514; and the movable base 521 drives the cutting plate 523 to move back and forth along the front and back direction, thereby increasing the cutting effect of the cutting plate 523. In the process that the cutting piece 523 moves along with the movable seat 521 to the connecting position of the two protective shells 600, the polishing plate 522 does not exceed the plane of the cutting piece 523 under the action of the tension spring, so that the polishing plate 522 is prevented from polishing the position of the protective shell 600 without residual plastic, and the original surface quality of the protective shell 600 is prevented from being influenced; after the cutting piece 523 cuts the residual plastic between the two protective cases 600, the polishing plate 522 moves to the connection position of the two protective cases 600 along with the moving seat 521, and the pushing block 524 pushes the two polishing plates 522 to move to be level with the two cutting pieces 523 under the action of the guide post 534, so that the position of the protective case 600 after cutting is polished. Then, the push rod 430 drives the forming plate 420 to move rightwards for a positioning movement and then to retract leftwards, in the process that the forming plate 420 moves rightwards, the first push block 710 and the second push block 720 lose the extrusion of the protective shell 600 and extend out under the action of the respective springs, and when the forming plate 420 retracts leftwards, the right side surfaces of the first push block 710 and the second push block 720 push the protective shell 600 to be separated from the forming plate 420.
In the process that the male die mechanism 400 is away from the female die mechanism 300, the cutting and polishing assembly 520 is enabled to complete cutting and polishing of residual plastic between the two protective shells 600 through the transmission assembly 530 and the driving assembly 510, no additional working procedure is needed, subsequent workload is reduced, and efficiency is effectively improved.
When the next injection molding is performed, the male die mechanism 400 is moved again to be matched with the female die mechanism 300, in the process that the male die mechanism 400 and the female die mechanism 300 are mutually close, the rack 533 drives the gear 532 to rotate positively, the screw 531 is driven to rotate positively, the screw block 525 drives the movable base 521 to move in the direction away from the connecting position of the two protective shells 600 under the threaded matching of the screw block 525, and further the cutting and polishing assembly 520 is prevented from affecting the matching of the male die mechanism 400 and the female die mechanism 300.
The start and stop of the driving part 230 and the motor 511 and the movement of the punch mechanism 400 and the push rod 430 can be controlled by a program to realize automatic continuous operation.
The injection molding device for the mobile phone protective shell can also be used for cutting and polishing residual plastics at the injection molding position of a single protective shell 600, but has lower efficiency, so that the two protective shells 600 are molded at one time, the residual plastics of the two protective shells 600 are treated by one-time operation of the cutting and polishing assembly 520, and the working efficiency can be further improved in practical application.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (6)
1. A cell-phone protective housing device of moulding plastics, its characterized in that: the device comprises a frame, an injection molding mechanism, a female die mechanism, a male die mechanism and a trimming mechanism, wherein the female die mechanism is fixedly arranged on the frame; the male die mechanism can slide left and right and is matched with the female die mechanism to define an upper die cavity and a lower die cavity; the injection molding mechanism simultaneously performs injection molding on the two cavities from the middle position of the two cavities; the injection molding liquid is cooled in the cavity to form two protective shells, the rear male die mechanism is far away from the female die mechanism, the two protective shells are buckled on the male die mechanism, and the two protective shells are connected through residual plastic; the trimming mechanism comprises a driving assembly and a cutting and polishing assembly, a transmission assembly is arranged between the male die mechanism and the female die mechanism, and the transmission assembly enables the cutting and polishing assembly to move to the connecting position of the two protective shells along the front-rear direction when the male die mechanism and the female die mechanism are far away; the driving assembly drives the cutting and polishing assembly to reciprocate in the left-right direction, so that the cutting and polishing assembly cuts and polishes the connecting position between the two protective shells.
2. The mobile phone protective case injection molding device according to claim 1, wherein: the transmission assembly comprises a screw, a gear and a rack, wherein the rack extends in the left-right direction and is arranged on the female die mechanism; the screw extends along the front-back direction and is rotatably arranged on the male die mechanism, and the gear is arranged on the screw and meshed with the rack; when the male die mechanism and the female die mechanism are close to each other, the rack drives the gear to rotate forward, and then the screw is driven to rotate forward; when the male die mechanism and the female die mechanism are mutually far away, the rack drives the gear to rotate reversely, so that the screw is driven to rotate reversely; the cutting and polishing assembly is slidably mounted on the male die mechanism along the front-rear direction and is in threaded fit with the screw, and moves in a direction away from the connecting positions of the two protective shells when the screw rotates positively, and moves in a direction close to the connecting positions of the two protective shells when the screw rotates reversely.
3. The mobile phone protective case injection molding device according to claim 2, wherein: the cutting and polishing assembly comprises a moving seat, a polishing plate, a cutting piece, a pushing block and a spiral block, wherein the spiral block is slidably arranged on the male die mechanism along the front-back direction, the moving seat is sleeved outside the spiral block and can move left and right relative to the spiral block, and the spiral block is in threaded fit with the screw rod and drives the moving seat to move back and forth when the screw rod rotates; two cutting sheets are horizontally arranged on the movable seat and are respectively used for cutting the connection positions of the two protective shells and the residual plastic; the two polishing plates are respectively positioned between the movable seat and the two cutting sheets, can move up and down relative to the movable seat and are connected with the movable seat through tension springs; the polishing plate is abutted with the screw rod through the pushing block; one end of the screw rod, which is close to the connecting position of the two protective shells, is provided with a guide post, the guide post is coaxial with the screw rod, the diameter of the guide post is larger than that of the screw rod, and the cylindrical surface of the guide post is connected with the screw rod through a conical surface; in the initial state, the polishing plates do not exceed the plane of the cutting pieces under the action of the tension springs until the polishing plates move to the connection positions of the two protective shells along with the movable seat, and the pushing block pushes the two polishing plates to move to be level with the two cutting pieces under the action of the guide posts, so that the positions of the protective shells after cutting are polished.
4. A handset protective casing injection molding apparatus according to claim 3, wherein: the driving assembly comprises a motor, a rotating wheel, a sliding block and a supporting rod, and the supporting rod is connected with the movable seat; the motor is arranged on the male die mechanism, the rotating wheel is arranged on an output shaft of the motor around a vertical axis, and an eccentric column which extends vertically is arranged at an eccentric position on the rotating wheel; the sliding block is arranged on the supporting rod in a sliding manner along the front-back direction, and is rotatably arranged on the eccentric column around the vertical axis; the runner rotates under the drive of motor, and then drives the slider and rotates and slide along the bracing piece around the axis of runner, and then drives the removal seat through the bracing piece and control the removal.
5. A handset protective casing injection molding apparatus according to claim 3, wherein: the male die mechanism is positioned at the left side of the female die mechanism and comprises a support frame and a forming plate, the forming plate is positioned at the right side of the support frame, a push rod is arranged at the left side of the forming plate, and the push rod can be installed on the support frame in a left-right sliding manner; the mobile phone protective shell injection molding device further comprises a demolding mechanism, wherein the demolding mechanism comprises a first ejector block and a second ejector block, the two first ejector blocks are respectively arranged on the upper side and the lower side of the movable seat in a vertically sliding manner and are connected with the movable seat through springs; when the cutting and polishing assembly moves to the connecting position of the two protective shells, the first ejector block is retracted into the moving seat under the extrusion of the protective shells; the second top blocks are respectively arranged above and below the two protective shells; the second ejector block is connected with the support frame through a spring, when the male die mechanism is matched with the female die mechanism, the second ejector block is retracted into the support frame under the pushing of the female die mechanism, and after injection molding is finished and the male die mechanism is separated from the female die mechanism, the second ejector block is abutted with the protective shell under the action of the spring; after the cutting and polishing assembly cuts and polishes residual plastic between the two protective shells, the forming plate is pushed to move rightwards through the pushing rod, the first pushing block and the second pushing block extend out under the action of respective springs, and when the pushing rod drives the forming plate to retract leftwards, the right side faces of the first pushing block and the second pushing block push the protective shells to be separated from the forming plate.
6. The mobile phone protective case injection molding device according to claim 1, wherein: the injection molding mechanism comprises an injection molding cylinder, an auger and a driving part, wherein the injection molding cylinder is horizontally arranged, the injection molding cylinder is provided with a feed hopper, and the auger is horizontally arranged in the injection molding cylinder; the female die mechanism is arranged at the left side of the injection molding cylinder, and an injection molding opening communicated with the injection molding cylinder and the cavity is arranged on the female die mechanism; the driving part drives the auger to rotate to convey the injection molding liquid to the left side in the injection molding cylinder, and the rear driving part drives the auger to move leftwards to drive the injection molding liquid into the cavity through the injection molding opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310040912.0A CN116001216A (en) | 2023-01-13 | 2023-01-13 | Mobile phone protection shell injection molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310040912.0A CN116001216A (en) | 2023-01-13 | 2023-01-13 | Mobile phone protection shell injection molding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116001216A true CN116001216A (en) | 2023-04-25 |
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ID=86023056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310040912.0A Pending CN116001216A (en) | 2023-01-13 | 2023-01-13 | Mobile phone protection shell injection molding device |
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| Country | Link |
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| CN (1) | CN116001216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117445319A (en) * | 2023-12-25 | 2024-01-26 | 烟台丰和塑业有限公司 | Header cutting device for water chamber injection molding piece |
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2023
- 2023-01-13 CN CN202310040912.0A patent/CN116001216A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117445319A (en) * | 2023-12-25 | 2024-01-26 | 烟台丰和塑业有限公司 | Header cutting device for water chamber injection molding piece |
| CN117445319B (en) * | 2023-12-25 | 2024-03-12 | 烟台丰和塑业有限公司 | Header cutting device for water chamber injection molding piece |
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