CN116852649B - Continuous injection mold of cell-phone shell - Google Patents
Continuous injection mold of cell-phone shell Download PDFInfo
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- CN116852649B CN116852649B CN202310863144.9A CN202310863144A CN116852649B CN 116852649 B CN116852649 B CN 116852649B CN 202310863144 A CN202310863144 A CN 202310863144A CN 116852649 B CN116852649 B CN 116852649B
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- 238000002347 injection Methods 0.000 title claims abstract description 37
- 239000007924 injection Substances 0.000 title claims abstract description 37
- 238000001746 injection moulding Methods 0.000 claims abstract description 73
- 239000007788 liquid Substances 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000005389 magnetism Effects 0.000 claims description 12
- 238000003754 machining Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 9
- 238000000465 moulding Methods 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 244000309464 bull Species 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2681—Moulds with rotatable mould parts
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Telephone Set Structure (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of mobile phone shell production, in particular to a continuous injection mold for mobile phone shells, which comprises a processing seat, wherein positioning plates are fixedly connected to the top center of the processing seat in a symmetrical manner, a multi-station injection molding mechanism is arranged between the positioning plates, a driving positioning mechanism is arranged between the multi-station injection molding mechanism and the positioning plates, a vibration demolding mechanism is arranged on the outer side of the multi-station injection molding mechanism, and a self-adaptive liquid injection mechanism is arranged on the left side of the top of the processing seat. According to the invention, the multi-station injection molding mechanism is driven to rotate by the driving positioning mechanism to realize continuous rotation injection molding of the fixed mold bases of different mobile phone shells, and meanwhile, the fixed mold bases, the movable mold bases and the vibration demolding mechanism are matched, so that the knocking demolding of the formed mobile phone shells is realized by utilizing the gravity action and vibration in the rotation process of the fixed mold bases, the effect of continuous automatic injection molding and demolding is achieved, and compared with the traditional ejection demolding, the damage rate of the mobile phone shells is greatly reduced, and the injection molding efficiency of mobile phone shell processing is effectively improved.
Description
Technical Field
The invention relates to the technical field of mobile phone shell production, in particular to a continuous injection mold for mobile phone shells.
Background
The mobile phone shell is an ornament which plays a role in protecting the mobile phone, and in the manufacturing process of the mobile phone shell, the mobile phone shell after injection molding is subjected to demoulding treatment mostly through injection molding so as to finish the processing of the mobile phone shell.
When the existing mobile phone shell injection mold is used, the molded mobile phone shell needs to be subjected to demolding treatment, the existing demolding mode is to eject the molded mobile phone shell by utilizing constant ejection pushing force mostly through relative sliding between the ejector rod and the fixed mold, and because the mobile phone brands and models are different, the thickness of the mobile phone shell is different, the injection molding liquid demands are different, the injection molding liquid input amounts are different when the mobile phone shells with different thicknesses are prepared, at the moment, the ejection force of the ejector rod is strictly required, and the molded mobile phone shell is easy to damage when the ejection force is larger; and when the ejection force of the ejector rod is smaller, demolding failure is easy to occur, the production quality and the production efficiency of the mobile phone shell are affected, and the improvement is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a continuous injection mold for a mobile phone shell, which solves the technical problem of poor production quality of the mobile phone shell caused by difficult control of ejection force of an ejector rod during demolding.
In order to solve the technical problems, the invention provides the following technical scheme: the continuous injection mold for the mobile phone shell comprises a processing seat, wherein a positioning plate is fixedly connected to the center of the top of the processing seat in a symmetrical manner, a multi-station injection molding mechanism is arranged between the positioning plates, a driving positioning mechanism is arranged between the multi-station injection molding mechanism and the positioning plate, a vibration demolding mechanism is arranged on the outer side of the multi-station injection molding mechanism, and a self-adaptive liquid injection mechanism is arranged on the left side of the top of the processing seat;
The multi-station injection molding mechanism comprises a motor fixedly connected to the outer side wall of a positioning plate at one side, a rotating column is fixedly connected to the output end of the motor, a polygonal rotating seat is fixedly arranged at the outer side of the rotating column, injection molding grooves are formed in the side walls of the polygonal rotating seat, positioning blocks are fixedly connected to the inner parts of the injection molding grooves, a fixed mold seat is fixedly arranged on the outer side wall of the injection molding grooves, and a plurality of elastic baffle rods are fixedly connected to the two sides of the fixed mold seat;
the elastic baffle rods are all equidistantly arranged along the rotating direction of the polygonal rotating seat, and the diameter values of the elastic baffle rods are gradually increased along the rotating direction of the polygonal rotating seat.
Preferably, the driving and positioning mechanism comprises an annular frame fixedly connected to the inner side of the positioning plate, wherein a plurality of conductive contact pieces are fixedly arranged on the inner wall of the annular frame, the conductive contact pieces are uniformly arranged along the circumferential direction of the annular frame, and the midpoints of the conductive contact pieces are positioned at the center of the side wall of the polygonal rotating seat;
The side wall fixedly connected with bull stick of spliced pole, the side wall fixedly connected with electrically conductive slide bar of bull stick, the side wall of electrically conductive slide bar closely laminates with the inner wall of electrically conductive contact, every group electrically conductive contact's resistance value keeps the linearity synchronous along with the thickness value difference in groove of moulding plastics.
Preferably, the vibration demolding mechanism comprises positioning rods symmetrically and fixedly connected to two sides of the top wall of the processing seat, positioning rings are fixedly connected to the inner side walls of the positioning rods, a plurality of elastic ejector rods are mounted in the inner side of the positioning rings in a sliding manner, the elastic ejector rods are uniformly arranged along the circumferential direction of the positioning rings at equal intervals, and the elastic ejector rods are positioned at the center of the inner bottom wall of the positioning rings;
The inner bottom wall of the positioning ring is provided with a plurality of movable grooves, the elastic ejector rods are slidably mounted in the movable grooves, the inner bottom wall of the elastic ejector rods is fixedly connected with a magnetic sliding plate, the magnetic sliding plate is slidably mounted in the movable grooves, the bottom wall of the magnetic sliding plate is fixedly connected with an elastic limiting part, the tail end of the bottom wall of the elastic limiting part is fixedly connected with a first electromagnet, and the first electromagnet is located in the processing seat.
Preferably, the self-adaptive liquid injection mechanism comprises a liquid storage tank fixedly connected to the left side of the top wall of the processing seat, a guide pipe is fixedly connected to the top of the liquid storage tank, a liquid pump is fixedly connected to the top of the guide pipe, a liquid outlet pipe is fixedly connected to the side wall of the guide pipe, and a liquid outlet valve is fixedly connected to the bottom of the liquid outlet pipe;
the bottom of the liquid outlet valve is provided with a movable die holder, the side parts of the liquid outlet pipe are symmetrically and fixedly connected with electric push rods, the output end parts of the electric push rods are fixedly connected to the top wall of the movable die holder, and the liquid outlet of the liquid outlet valve penetrates through the center of the movable die holder in a sliding manner;
The inside of play liquid valve is equipped with the elasticity gasbag, the center fixedly connected with vaulting pole of elasticity gasbag, the outside tip of vaulting pole is all rotated and is installed on the inner wall of play liquid valve, the center department fixedly connected with second electro-magnet of vaulting pole, the outside symmetry fixed mounting of second electro-magnet has the spring, the other end fixedly connected with magnetism supporting shoe of spring, the other end fixedly connected with of magnetism supporting shoe is on the inner wall of elasticity gasbag.
Preferably, the top center of the processing seat is provided with a blanking groove, the bottom of the blanking groove is provided with an oblique blanking plate, and the top of the oblique blanking plate is fixedly connected to the bottom wall of the processing seat.
By means of the technical scheme, the invention provides a continuous injection mold for a mobile phone shell, which has at least the following beneficial effects:
1. According to the invention, the multi-station injection molding mechanism is driven to rotate by the driving positioning mechanism to realize continuous rotation injection molding of the fixed mold bases of different mobile phone shells, and meanwhile, the fixed mold bases, the movable mold bases and the vibration demolding mechanism are matched, so that the knocking demolding of the formed mobile phone shells is realized by utilizing the gravity action and vibration in the rotation process of the fixed mold bases, the effect of continuous automatic injection molding and demolding is achieved, and compared with the traditional ejection demolding, the damage rate of the mobile phone shells is greatly reduced, and the injection molding efficiency of mobile phone shell processing is effectively improved.
2. According to the invention, the accurate positioning of each injection molding station is realized by driving the positioning mechanism, and simultaneously, the conductive sliding rod is driven to contact and electrify each conductive contact piece when the rotating column rotates, so that the effect of driving the self-adaptive liquid injection mechanism to accurately regulate and control the liquid injection amount when the mobile phone shells with different thicknesses are injected is achieved, the injection molding precision of the mobile phone shell production is greatly improved, and the product quality is ensured.
3. According to the invention, automatic vibration demolding of the molded mobile phone shell in the molding injection station is realized through the vibration demolding mechanism, meanwhile, through the cooperation between the elastic baffle rods and the elastic ejector rods, vibration demolding in the rotational blanking process of the molded mobile phone shell in the injection molding station is realized, and the elastic baffle rods are continuously collided with the elastic ejector rods when rotating, so that the effect of vibrating and knocking blanking of the mobile phone shell under self gravity is achieved, and the demolding quality of the molded mobile phone shell is greatly improved.
4. According to the invention, the self-adaptive blanking of the liquid injection amount during injection molding of the mobile phone shells with different thicknesses is realized through the self-adaptive liquid injection mechanism, meanwhile, under the state of different injection molding stations, the motor is driven to contact and electrify the conductive sliding rod and the conductive contact pieces with different resistance values during rotation of the motor, the applicability of driving the first electromagnet to flow through the current is changed, the change of electromagnetic adsorption force is utilized to drive the change of the opening of the blanking channel, the effect of the self-applicability blanking of the liquid injection amount during injection molding of the mobile phone shells with different thicknesses is achieved, the blanking precision is particularly accurate, the universality is strong, and the processing quality of the mobile phone shells is further improved.
5. According to the invention, when the mobile phone shells with different thicknesses are subjected to injection molding through the vibration demolding mechanism, the applicability of vibration knocking force is changed, meanwhile, under the state of different injection molding stations, the motor is driven to contact and electrify the conductive sliding rod and the conductive contact piece with different resistance values during rotation, the second electromagnet is driven to flow according to the applicability of Liu, the elastic ejector rod is driven to slide towards the elastic baffle rod in different amplitudes by utilizing the change of electromagnetic repulsive force, the synchronous change of the rotation knocking force is realized, and the self-applicability of vibration blanking amplitude is changed when the mobile phone shells with different thicknesses are subjected to injection molding, so that the demolding efficiency of the mobile phone shell injection molding is further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a three-dimensional top view of a multi-station injection molding mechanism according to the present invention;
FIG. 3 is a schematic side view of a multi-station injection molding mechanism according to the present invention;
FIG. 4 is a schematic view of the internal perspective structure of the driving and positioning mechanism of the present invention;
FIG. 5 is a schematic perspective view of a vibration demolding mechanism according to the present invention;
FIG. 6 is a schematic side view of the internal structure of the present invention;
FIG. 7 is an enlarged schematic view of the structure A in FIG. 6 according to the present invention;
Fig. 8 is an enlarged schematic view of the structure B in fig. 6 according to the present invention.
In the figure: 1. a processing seat; 2. a positioning plate; 3. a multi-station injection molding mechanism; 30. a motor; 31. rotating the column; 32. a polygonal rotating seat; 33. an injection molding groove; 34. a positioning block; 35. a fixed die holder; 36. an elastic stop lever; 4. driving a positioning mechanism; 40. an annular frame; 41. a conductive contact; 42. a rotating rod; 43. a conductive slide bar; 5. a vibration demoulding mechanism; 50. a positioning rod; 51. a positioning ring; 52. an elastic ejector rod; 53. a movable groove; 54. a magnetic slide plate; 55. an elastic limiting piece; 56. a first electromagnet; 6. the self-adaptive liquid injection mechanism; 60. a liquid storage tank; 61. a conduit; 62. a liquid pump; 63. a liquid outlet pipe; 64. a liquid outlet valve; 650. a brace rod; 65. an elastic air bag; 651. a second electromagnet; 652. a spring; 653. a magnetic support block; 66. a movable die holder; 67. an electric push rod; 7. discharging groove; 8. and (5) obliquely blanking the plate.
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.
Example 1
Referring to fig. 1-3, a continuous injection mold for mobile phone shells includes a processing seat 1, a positioning plate 2 is fixedly connected to the center of the top of the processing seat 1, a multi-station injection molding mechanism 3 is arranged between the positioning plate 2, a driving positioning mechanism 4 is arranged between the multi-station injection molding mechanism 3 and the positioning plate 2, a vibration demolding mechanism 5 is arranged on the outer side of the multi-station injection molding mechanism 3, an adaptive liquid injection mechanism 6 is arranged on the left side of the top of the processing seat 1, a motor 30 is started at the beginning of processing, the wiring of a conductive sliding rod 43 is disconnected at the beginning, so that the motor 30 drives a polygonal rotating seat 32 to rotate, when the polygonal rotating seat 32 rotates to an injection molding station with corresponding thickness, the wiring of the conductive sliding rod 43 is started, at the moment, the conductive sliding rod 43 is electrified to be at one side of the corresponding injection molding station, after electrifying, the continuous rotation injection molding of different mobile phone shells is realized by driving the multi-station injection molding mechanism 3 through the driving positioning mechanism 4, and simultaneously, automatic knocking of a demolding shell is realized by the gravity action and vibration in the rotation process of the fixed mold seat 35, the traditional injection molding efficiency is greatly improved, and the efficiency of the injection molding is greatly improved;
The multi-station injection molding mechanism 3 comprises a motor 30 fixedly connected to the outer side wall of the one-side positioning plate 2, a rotating column 31 is fixedly connected to the output end of the motor 30, a polygonal rotating seat 32 is fixedly arranged on the outer side of the rotating column 31, injection molding grooves 33 are formed in the side walls of the polygonal rotating seat 32, the thickness of each injection molding groove 33 is flexibly adjusted according to the production requirements of a machined mobile phone shell, positioning blocks 34 are fixedly connected to the inside of each injection molding groove 33, the shape and the size of each positioning block 34 are flexibly adjusted according to the brands and models of different mobile phones, a fixed mold seat 35 is fixedly arranged on the outer side wall of each injection molding groove 33, a plurality of elastic baffle rods 36 are fixedly connected to the two sides of the fixed mold seat 35, and when the motor 30 rotates to drive the polygonal rotating seat 32 to rotate, the fixed mold seat 35 on the side wall of the polygonal rotating seat 32 forms injection molding for the mobile phone shell, so that injection molding liquid discharged along the self-adaptive liquid injection molding mechanism 6 is positioned in the injection molding grooves 33;
As a preferred technical solution of this embodiment, the plurality of elastic baffle rods 36 are all equidistantly arranged along the rotation direction of the polygonal rotating seat 32, the diameter values of the plurality of elastic baffle rods 36 are gradually increased along the rotation direction of the polygonal rotating seat 32, and when the polygonal rotating seat 32 rotates, the plurality of elastic baffle rods 36 are driven to continuously collide with the elastic ejector rod 52, so that the vibration amplitude is gradually increased along with the rotation of the polygonal rotating seat 32 in the blanking station, the vibration amplitude between the elastic baffle rods 36 and the elastic ejector rod 52 is increased, and the blanking rate in the blanking process is increased.
Example two
Referring to fig. 4, the present embodiment is substantially the same as the first embodiment, and the present embodiment is made based on the first embodiment, and has the same advantages as the first embodiment, and the same parts are referred to each other, and will not be described in detail herein.
The driving positioning mechanism 4 comprises an annular frame 40 fixedly connected to the inner side of the positioning plate 2, a plurality of conductive contact pieces 41 are fixedly mounted on the inner wall of the annular frame 40, the conductive contact pieces 41 are uniformly arranged along the circumferential direction of the annular frame 40 at equal intervals, the midpoints of the conductive contact pieces 41 are positioned at the center of the side wall of the polygonal rotating seat 32, when the rotating column 31 and the conductive sliding rod 43 rotate, only the wiring of the conductive sliding rod 43 is required to be turned on or off, and according to the material selection requirements of the mobile phone shell with different thicknesses during processing, the conductive sliding rod 43 and the conductive contact pieces 41 which correspond to an injection molding station are in contact and electrified, and then the synchronous opening of the first electromagnet 56 and the second electromagnet 651 is driven, and after the opening of the first electromagnet 56 and the second electromagnet 651, the motor 30 stops rotating and is opened for liquid injection processing.
As a preferred technical scheme of the embodiment, a rotating rod 42 is fixedly connected to the side wall of the rotating column 31, a conductive sliding rod 43 is fixedly connected to the side wall of the rotating rod 42, the side wall of the conductive sliding rod 43 is tightly attached to the inner wall of the conductive contact piece 41, the resistance value of each group of conductive contact pieces 41 keeps linear synchronization along with the thickness value of the injection molding groove 33, when the injection molding thickness of the mobile phone shell is larger, the resistance value of the corresponding conductive contact piece 41 is smaller, at the moment, when the current of the first electromagnet 56 and the second electromagnet 651 is larger when the conductive sliding rod 43 and the conductive contact piece 41 are contacted, the generated electromagnetic force is larger, and therefore, when the mobile phone shell with larger thickness is prepared, the knocking amplitude is enhanced and the injection amount is increased; similarly, when the injection thickness of the mobile phone shell is smaller, the resistance value of the corresponding conductive contact piece 41 is larger, and at the moment, the current of the first electromagnet 56 and the second electromagnet 651 is smaller when the conductive sliding rod 43 is in contact with the conductive contact piece 41, the generated electromagnetic force is smaller, so that when the mobile phone shell with smaller thickness is prepared, the knocking amplitude is weakened, and the injection amount is synchronously reduced.
Example III
Referring to fig. 5 and fig. 7, the present embodiment is substantially the same as the first embodiment, and the present embodiment is made based on the first embodiment, and has the same advantages as the first embodiment, and the same parts are referred to each other, and will not be described in detail herein.
The vibration demoulding mechanism 5 comprises positioning rods 50 which are symmetrically and fixedly connected to two sides of the top wall of the processing seat 1, positioning rings 51 are fixedly connected to the inner side walls of the positioning rods 50, a plurality of elastic ejector rods 52 are mounted in an inner sliding mode of the positioning rings 51, the elastic ejector rods 52 are arranged at equal intervals along the circumferential direction of the positioning rings 51, the elastic ejector rods 52 are located at the center of the inner bottom wall of the positioning rings 51, when the polygonal rotating seat 32 corresponding to the injection molding station rotates, the elastic baffle rods 36 are in contact with the elastic ejector rods 52, contact collision between the elastic baffle rods and the elastic ejector rods is achieved in the rotating process towards the bottom, and due to the gradual increase of the diameter of the elastic baffle rods 36, the vibration amplitude in the collision process is gradually increased, vibration demoulding is started until demoulding is completed when the elastic ejector rods rotate to the bottom, meanwhile, vibration demoulding of the molded mobile phone shell in the injection molding station is achieved through the cooperation between the elastic baffle rods 36 and the elastic ejector rods 52, the vibration demoulding of the molded mobile phone shell in the rotating blanking process is achieved, and the vibration demoulding effect of the mobile phone shell is greatly improved by the aid of the elastic baffle rods 36 in the rotating process.
As the preferred technical scheme of this embodiment, a plurality of movable slots 53 are all opened to the inner diapire of holding ring 51, elastic ejector pin 52 all slidable mounting is in the inside of movable slot 53, the interior bottom wall of elastic ejector pin 52 all fixedly connected with magnetism slide 54, magnetism slide 54 slidable mounting is in the inside of movable slot 53, the diapire fixedly connected with elasticity spacing piece 55 of magnetism slide 54, the diapire end fixedly connected with first electro-magnet 56 of elasticity spacing piece 55, first electro-magnet 56 and electrically conductive slide 43 and electrically connect with conductive contact 41, first electro-magnet 56 is located the inside of processing seat 1, the magnetism of first electro-magnet 56 and the magnetic repulsion force of magnetism slide 54 remain unanimous, after first electro-magnet 56 opens, under the electromagnetic repulsion effect, make elasticity ejector pin 52 slide towards the movable slot 53 outside, thereby make the interval of elasticity ejector pin 52 and elasticity slide 36 diminish, and the big electric current size of first electro-magnet 56 receives the resistance value of conductive contact 41 to decide, specific control mode has already been explained in embodiment two, when the electric current is big, when the thickness of the casing is big, the electro-magnet is big, the amplitude of first electro-magnet 56 and magnetism slide plate 56 and magnetic repulsion force are big when the amplitude of elasticity slide 52 is big, the amplitude of elasticity slide 52 is big is reached to the amplitude of vibration amplitude is strengthened to the amplitude of elasticity slide 52.
Example IV
Referring to fig. 5 and 8, the present embodiment is substantially the same as the first embodiment, and the present embodiment is made based on the first embodiment, and has the same advantages as the first embodiment, and the same parts are referred to each other, and will not be described in detail herein.
The self-adaptive liquid injection mechanism 6 comprises a liquid storage tank 60 fixedly connected to the left side of the top wall of the processing seat 1, a guide pipe 61 is fixedly connected to the top of the liquid storage tank 60, a liquid pumping pump 62 is fixedly connected to the top of the guide pipe 61, a liquid outlet pipe 63 is fixedly connected to the side wall of the guide pipe 61, a liquid outlet valve 64 is fixedly connected to the bottom of the liquid outlet pipe 63, when a corresponding liquid injection station on the polygonal rotating seat 32 moves to the top, the liquid outlet valve 64 is opened, liquid injection is realized, injection liquid is pumped into the guide pipe 61 along the liquid storage tank 60 through the liquid pumping pump 62, and finally, discharging is carried out along the liquid outlet valve 64;
The bottom of drain valve 64 is equipped with movable mould base 66, the lateral part symmetry fixedly connected with electric putter 67 of drain pipe 63, electric putter 67's output fixed connection is on movable mould base 66's roof, the liquid outlet of drain valve 64 slides and runs through to movable mould base 66's center, when the top of polygon rotation seat 32 moulds plastics the station and rotates to the top, motor 30 stops rotating, electric putter 67 drives movable mould base 66 and moves down this moment, realize the compression molding to the injection molding liquid, after the completion of moulding plastics, electric putter 67 drives movable mould base 66 and promotes, thereafter motor 30 continues to drive polygon rotation seat 32 and rotates, until entering next station of moulding plastics, the mechanism 3 repeatedly operates of multistation at this moment.
As a preferred technical solution of this embodiment, an elastic air bag 65 is disposed in the liquid outlet valve 64, a supporting rod 650 is fixedly connected to the center of the elastic air bag 65, the outer end portions of the supporting rod 650 are all rotatably mounted on the inner wall of the liquid outlet valve 64, a second electromagnet 651 is fixedly connected to the center of the supporting rod 650, the second electromagnet 651 and the conductive sliding rod 43 are electrically connected with the conductive contact piece 41, a spring 652 is symmetrically and fixedly mounted on the outer side of the second electromagnet 651, a magnetic supporting block 653 is fixedly connected to the other end of the spring 652, the magnetism of the magnetic supporting block 653 and the magnetism of the second electromagnet 651 are different, the elastic air bag 65 is driven to shrink under the action of electromagnetic adsorption force, thereby realizing the change of the opening of the blanking channel, thereby achieving the effect of changing the injection liquid amount, the other end of the magnetic supporting block 653 is fixedly connected on the inner wall of the elastic air bag 65, when the conductive sliding rod 43 contacts the conductive contact piece 41, after the second electromagnet 651 is started, under the action of electromagnetic adsorption force, the magnetic supporting blocks 653 on two sides are pulled to compress the springs 652, at the moment, the elastic air bags 65 are contracted, injection molding liquid is discharged along the inner side wall of the liquid outlet valve 64 and the gap between the elastic air bags 65, so that the change of the injection molding liquid is achieved, when the thickness of the mobile phone shell is larger, the current of the second electromagnet 651 is larger, at the moment, the magnetic adsorption force between the second electromagnet 651 and the magnetic supporting blocks 653 is larger, the contraction of the elastic air bags 65 is more obvious, the discharge amount of the injection molding liquid is larger, correspondingly, when the thickness of the mobile phone shell is smaller, the current of the second electromagnet 651 is smaller, at the moment, the magnetic adsorption force between the second electromagnet 651 and the magnetic supporting blocks 653 is smaller, the elastic air bags 65 are contracted to a smaller extent, the discharge amount of the injection molding liquid is smaller, and when the mobile phone shell with different thickness is injected by the vibration demoulding mechanism 5, the suitability of vibration knocking force changes, simultaneously under the station state of moulding plastics through the difference, drive the conductive slide bar 43 and the conductive contact 41 contact circular telegram of different resistance values when motor 30 rotates, drive second electro-magnet 651 flows and must be according to the suitability change of Liu, utilize electromagnetic repulsion's change, drive elasticity ejector pin 52 to slide towards elasticity shelves 36 different range, realize rotating the synchronous change of knocking force, and then when reaching different thickness cell-phone shells and moulding plastics, the self-adaptation of vibration unloading range changes, further improved cell-phone shell injection moulding's drawing of patterns efficiency.
Example five
Referring to fig. 5 and 6, the present embodiment is substantially the same as the first embodiment, and the present embodiment is made based on the first embodiment, and has the same advantages as the first embodiment, and the same parts are referred to each other, and will not be described in detail herein.
The blanking groove 7 has been seted up at the top center of processing seat 1, along with polygon rotation seat 32 rotates, when the cell-phone shell in the station of moulding plastics of polygon rotation seat 32 rotates to oblique below and bottom vibration strike the unloading, shaping cell-phone shell falls down under self gravity effect along blanking groove 7 inside, the bottom of blanking groove 7 is equipped with oblique blanking plate 8, the top fixed connection of oblique blanking plate 8 is on the diapire of processing seat 1, the shaping cell-phone shell that falls down along blanking groove 7 falls on oblique blanking plate 8 ejection of compact.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different manner from other embodiments, so that the same or similar parts between the embodiments are referred to each other. For each of the above embodiments, since it is substantially similar to the method embodiment, the description is relatively simple, and reference should be made to the description of the method embodiment for relevant points.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a continuous injection mold of cell-phone shell, includes processing seat (1), its characterized in that: the device is characterized in that a positioning plate (2) is fixedly connected to the center of the top of the processing seat (1) in a symmetrical mode, a multi-station injection molding mechanism (3) is arranged between the positioning plates (2), a driving positioning mechanism (4) is arranged between the multi-station injection molding mechanism (3) and the positioning plates (2), a vibration demolding mechanism (5) is arranged on the outer side of the multi-station injection molding mechanism (3), and a self-adaptive liquid injection mechanism (6) is arranged on the left side of the top of the processing seat (1);
The multi-station injection molding mechanism (3) comprises a motor (30) fixedly connected to the outer side wall of a positioning plate (2) on one side, a rotating column (31) is fixedly connected to the output end of the motor (30), a polygonal rotating seat (32) is fixedly arranged on the outer side of the rotating column (31), injection molding grooves (33) are formed in the side walls of the polygonal rotating seat (32), positioning blocks (34) are fixedly connected to the inner parts of the injection molding grooves (33), fixed mold bases (35) are fixedly arranged on the outer side walls of the injection molding grooves (33), and a plurality of elastic baffle rods (36) are fixedly connected to the two sides of the fixed mold bases (35);
The driving positioning mechanism (4) comprises an annular frame (40) fixedly connected to the inner side of the positioning plate (2), a plurality of conductive contact pieces (41) are fixedly arranged on the inner wall of the annular frame (40), the conductive contact pieces (41) are uniformly arranged along the circumferential direction of the annular frame (40), and the middle points of the conductive contact pieces (41) are positioned in the center of the side wall of the polygonal rotating seat (32);
The side wall of the rotating column (31) is fixedly connected with a rotating rod (42), the side wall of the rotating rod (42) is fixedly connected with a conductive sliding rod (43), the side wall of the conductive sliding rod (43) is tightly attached to the inner wall of the conductive contact piece (41), and the resistance value of each group of conductive contact pieces (41) keeps linear synchronization along with the thickness value difference of the injection molding groove (33);
The self-adaptive liquid injection mechanism (6) comprises a liquid storage tank (60) fixedly connected to the left side of the top wall of the processing seat (1), a guide pipe (61) is fixedly connected to the top of the liquid storage tank (60), a liquid pump (62) is fixedly connected to the top of the guide pipe (61), a liquid outlet pipe (63) is fixedly connected to the side wall of the guide pipe (61), and a liquid outlet valve (64) is fixedly connected to the bottom of the liquid outlet pipe (63);
The inside of play liquid valve (64) is equipped with elastic air bag (65), and the center fixedly connected with vaulting pole (650) of elastic air bag (65), the outside tip of vaulting pole (650) is all rotated and is installed on the inner wall of play liquid valve (64), and the center department fixedly connected with second electro-magnet (651) of vaulting pole (650), the outside symmetry of second electro-magnet (651) is fixedly installed spring (652), the other end fixedly connected with magnetism supporting shoe (653) of spring (652), the other end fixedly connected with of magnetism supporting shoe (653) is on the inner wall of elastic air bag (65).
2. The continuous injection mold for mobile phone shells according to claim 1, wherein: the elastic baffle rods (36) are equidistantly arranged along the rotating direction of the polygonal rotating seat (32), and the diameter values of the elastic baffle rods (36) are gradually increased along the rotating direction of the polygonal rotating seat (32).
3. The continuous injection mold for mobile phone shells according to claim 1, wherein: the vibration demoulding mechanism (5) comprises positioning rods (50) which are symmetrically and fixedly connected to two sides of the top wall of the processing seat (1), positioning rings (51) are fixedly connected to the inner side walls of the positioning rods (50), a plurality of elastic ejector rods (52) are slidably arranged in the inner sides of the positioning rings (51), the elastic ejector rods (52) are uniformly arranged along the circumferential direction of the positioning rings (51) at equal intervals, and the elastic ejector rods (52) are uniformly positioned at the center of the inner bottom wall of the positioning rings (51).
4. A continuous injection mold for a mobile phone shell according to claim 3, wherein: a plurality of movable grooves (53) are formed in the inner bottom wall of the positioning ring (51), the elastic ejector rods (52) are slidably mounted in the movable grooves (53), the inner bottom wall of each elastic ejector rod (52) is fixedly connected with a magnetic sliding plate (54), each magnetic sliding plate (54) is slidably mounted in the movable groove (53), an elastic limiting part (55) is fixedly connected to the bottom wall of each magnetic sliding plate (54), a first electromagnet (56) is fixedly connected to the tail end of the bottom wall of each elastic limiting part (55), and each first electromagnet (56) is located in the machining seat (1).
5. The continuous injection mold for mobile phone shells according to claim 1, wherein: the bottom of drain valve (64) is equipped with movable mould base (66), and the lateral part symmetry fixedly connected with electric putter (67) of drain pipe (63), the output fixed connection of electric putter (67) is on the roof of movable mould base (66), and the liquid outlet of drain valve (64) slides and runs through to the center of movable mould base (66).
6. The continuous injection mold for mobile phone shells according to claim 1, wherein: the automatic feeding device is characterized in that a blanking groove (7) is formed in the center of the top of the processing seat (1), an oblique blanking plate (8) is arranged at the bottom of the blanking groove (7), and the top of the oblique blanking plate (8) is fixedly connected to the bottom wall of the processing seat (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310863144.9A CN116852649B (en) | 2023-07-12 | 2023-07-12 | Continuous injection mold of cell-phone shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310863144.9A CN116852649B (en) | 2023-07-12 | 2023-07-12 | Continuous injection mold of cell-phone shell |
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| CN116852649B true CN116852649B (en) | 2024-06-18 |
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