CN114012973B - Layered demolding injection molding machine capable of automatically cutting pouring gate and application method thereof - Google Patents
Layered demolding injection molding machine capable of automatically cutting pouring gate and application method thereof Download PDFInfo
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- CN114012973B CN114012973B CN202111330333.7A CN202111330333A CN114012973B CN 114012973 B CN114012973 B CN 114012973B CN 202111330333 A CN202111330333 A CN 202111330333A CN 114012973 B CN114012973 B CN 114012973B
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 60
- 229920003023 plastic Polymers 0.000 claims abstract description 60
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 73
- 230000005540 biological transmission Effects 0.000 claims description 52
- 239000002994 raw material Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000010008 shearing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 50
- 230000000694 effects Effects 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 3
- 239000002991 molded plastic Substances 0.000 description 2
- 239000012791 sliding layer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000243 solution Substances 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
- B29C45/03—Injection moulding apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging means
-
- 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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- 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
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the field of demolding equipment of injection molding machines, and relates to a layered demolding injection molding machine capable of automatically cutting pouring gates and a use method thereof. This equipment can be after the completion of moulding plastics automatic excision function to moulding plastics runner, adopts upper and lower two-layer layered structure to carry out the drawing of patterns simultaneously, and upper strata drawing of patterns adopts downward extrusion discharge formula, and lower floor drawing of patterns adopts the rotatory top formula of mould, guarantees that plastic products can not produce the damage at the drawing of patterns in-process.
Description
Technical Field
The invention belongs to the field of demolding equipment of injection molding machines, and particularly relates to a layered demolding injection molding machine capable of automatically cutting pouring gates and a use method thereof.
Background
It is well known that certain residues are left at the injection gate when the injection molding machine produces plastic products, the overall attractiveness of the plastic products is affected, certain damages to the plastic products are possibly caused if the force is applied too hard in the demolding process, the quality of products is affected, two upper and lower layered demolding devices capable of automatically cutting off the injection gate are provided, the cutting-off function of the injection gate can be automatically performed when an injection gun leaves an injection mold after injection molding is completed, meanwhile, the upper layered structure and the lower layered structure are adopted for demolding, the lower layered demolding adopts a downward extrusion discharge mode, the two layered molds perform demolding work in sequence, and the plastic products are prevented from being damaged in the demolding process.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides a layered demolding injection molding machine capable of automatically cutting a pouring gate and a using method thereof.
The aim of the invention can be achieved by the following technical scheme: the utility model provides an automatic cut layering drawing of patterns injection molding machine of runner, includes the casing, its characterized in that, the fixed stirring chamber that is equipped with in casing top, the stirring intracavity is equipped with agitating unit, agitating unit is used for carrying out the heating stirring of plastic products raw materials, fixed being equipped with the slip crossbeam frame on the lateral wall about the casing, be equipped with rotating device on the slip crossbeam frame, rotating device is used for carrying out the rotation of lower floor's mould and carries out the rotatory drawing of patterns of lower floor's mould, fixed being equipped with the lower floor's mould platform about the casing on the lateral wall, be equipped with fixedly on the lower floor's mould platform and be equipped with the riser, be equipped with shedder on the riser, shedder is used for the automatic drawing of patterns of upper mould.
Preferably, the stirring device comprises a motor cavity fixed on the left side wall and the right side wall of the stirring cavity, a first transmission motor is fixedly arranged on the lower side wall of the motor cavity, a first output shaft is arranged at the output end of the first transmission motor, a shaft control device is fixedly arranged at the upper end of the first output shaft, a slow release structure is arranged in the shaft control device, a transmission shaft body matched with the slow release structure can be slowly pushed upwards and separated from the shaft body, a processing cavity is fixedly arranged above the motor cavity, an opening is arranged on the lower side wall of the motor cavity, an electric control switch is arranged on the lower side wall of the motor cavity, a shaft fixing frame is fixedly arranged on the lower side wall of the processing cavity, two sliding brackets are fixedly arranged on the front side wall and the rear side wall of the upper side of the processing cavity, two rotating doors are arranged above the processing cavity, two connecting rods are rotatably arranged at the other ends of the rotating doors, one of the two connecting rods penetrates through the sliding brackets, a beam is arranged at the lower end of the sliding bracket, the stirring shaft can be separated from the beam, the stirring shaft is fixedly arranged below the beam, the stirring shaft is fixedly arranged in the position of the shaft fixing frame, the shaft is in the processing cavity, a shaft fixing frame slides in the shaft, the processing cavity is fixedly arranged at the lower end of the left side wall of the stirring device, and can enter the processing cavity, and the right side wall is fixedly arranged at the upper side wall of the processing cavity.
Preferably, the rotating device comprises a second transmission motor fixed below the sliding beam frame, a second transmission shaft is arranged at the output end of the second transmission motor, a rotating shaft is arranged in the middle of the lower side wall of the shell in a rotating mode, a belt is sleeved between the rotating shaft and the second transmission motor, a spline is fixedly arranged on the rotating shaft, a sliding shaft sleeve is arranged on the outer side of the rotating shaft in a sliding mode, a disc oblique block is sleeved on the outer side of the sliding shaft sleeve, a U-shaped groove electric sliding block is arranged on the upper side wall of the sliding beam frame in a sliding mode, the U-shaped groove electric sliding block can push the disc oblique block to move upwards, a rotating shaft is fixedly arranged on the sliding shaft sleeve, a hydraulic telescopic cylinder is fixedly arranged in the rotating shaft, a clamping block is fixedly arranged at the left end and the right end of the hydraulic telescopic cylinder, a connecting block is fixedly arranged on the outer side of each clamping block, a spring is connected between the connecting block, a connecting rod table is fixedly arranged on the side of the connecting rod near the shaft, two short connecting rods are rotatably arranged on the connecting rod table, a sliding connecting rod is rotatably arranged on the connecting rod, a sliding layer can be arranged on the sliding block, a lower die can be fixedly arranged on the lower die, and can pass through the lower die, and can be matched with the lower die.
Preferably, the demoulding device comprises an upper layer mould fixed on the lifter, an electric driving cavity is arranged in the upper layer mould, two electric control rotating shafts are rotationally arranged in the electric driving cavity, a bevel gear is fixedly arranged on each electric control rotating shaft, the bevel gears are meshed with each other, one electric control rotating shaft rotates through electric control, a long pushing block is slidably arranged in the upper layer mould, threads are arranged on the long pushing block, a driven block is rotationally arranged on the long pushing block, the driven block is meshed with the long pushing block through threads, a chain is sleeved between the electric control rotating shaft and the driven block, a short pushing block is slidingly arranged in the upper layer mould, threads are arranged on the short pushing block, the driven block is rotationally arranged on the short pushing block, a chain is sleeved between the driven block and the bevel gear through the threads, an injection molding gate is arranged in the middle of the upper layer mould, and a shearing device is arranged in the injection molding gate and used for cutting the injection molding gate.
Preferably, the shearing device comprises two stressed rotating blocks which rotate in the upper layer die, threaded holes are formed in the stressed rotating blocks, two cutters are arranged in the upper layer die in a sliding mode, rack transmission is arranged between the cutters and the stressed rotating blocks, each cutter is provided with a rod through hole, the lower end of the stirring cavity is provided with an injection molding gun in a sliding mode, a threaded rod is fixedly arranged on the injection molding gun, threads are formed in the lower end of the threaded rod, and the threaded rod is meshed with the stressed rotating blocks through threads.
When the equipment is used, raw materials are thrown into the stirring cavity through the rotating door, the raw materials drop to the side through the material dividing groove, the rotating door is opened, downward transmission force is exerted through two sections of connecting rods, the cross beam slides downwards, the stirring shaft is pushed into the shaft control device, the cross beam is separated from the stirring shaft, the raw materials are thrown into the stirring cavity, the rotating door is closed, the stirring shaft cannot be brought back again, the first transmission motor is started, the first transmission motor drives the first output shaft to rotate, the stirring shaft is driven to rotate through the shaft control device to stir, the shaft control device slowly releases the stirring shaft, after the stirring and heating are basically completed along with the time, the shaft control device thoroughly pushes the stirring shaft upwards, the stirring shaft is returned to be matched with the cross beam, and the first transmission motor is stopped along with the stirring shaft. By setting the time for automatically releasing the stirring shaft, the time is set as the shortest time required by stirring and heating the raw materials, the functions of automatic stirring and stopping are achieved, and the stirring and heating effects can be fully completed and meanwhile, the energy is saved.
The raw materials that the stirring was accomplished are opened through automatically controlled switch, enter into the rifle inside of moulding plastics, the rifle that moulds plastics is slided down and is entered into the runner inside of moulding plastics, threaded rod on the rifle of moulding plastics is along with entering into the pole through-hole, through with atress rotor meshing transmission, drive atress rotor rotation, the atress rotor rotates the back and is driving the cutter through the rack and slide left and right sides, the runner of moulding plastics is thoroughly opened, the rifle of moulding plastics begins to mould plastics, the cooling tube carries out cooling in U type cell electricity slider and lower floor's mould, after the plastic product shaping, the rifle of moulding plastics upwards slides, the threaded rod breaks away from with atress rotor meshing, atress rotor reverse gyration, push the cutter to the centre, the excision of runner of moulding plastics carries out, can be after the injection moulding, carry out the automatic excision of runner of moulding plastics when the plastic product remains certain surplus temperature and can make the product pleasing to the eye.
The upper layer and the lower layer of demolding are carried out after the plastic product is molded, the lifter slides upwards, the upper layer of mold slides upwards, one of the electric control rotating shafts is driven to rotate through electric control, the short pushing block and the long pushing block are driven to rotate simultaneously through transmission power of a bevel gear and a chain, the rotation of the short pushing block and the long pushing block can be respectively driven by threaded engagement with the long pushing block and the short pushing block, the long pushing block and the short pushing block push the outer side of the upper layer of mold, the long pushing block and the short pushing block can push the molded plastic product downwards and enable the plastic product to be separated from the mold, the demolding effect is achieved, and the plastic product is ensured not to be adhered on the mold due to pushing force at all sides at the same time, so that the plastic product generates stretching deformation.
The lower layer die is also demoulded, the hydraulic telescopic cylinder is started, two clamping blocks are pushed outwards, the clamping blocks enter into the inner side groove of the lower layer die, the contact block is extruded to drive the connecting rod table to slide, the side clamping blocks are pushed out of the clamping blocks through the sliding effect of the short connecting rod and the sliding connecting rod and clamped in the groove of the lower layer die, the second transmission motor is started, the second transmission motor drives the second transmission shaft to rotate, the rotating shaft is driven to rotate through the belt, the rotating shaft drives the sliding shaft sleeve to rotate through the spline, the sliding shaft sleeve rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the lower layer die to rotate, the plastic product can be thoroughly separated from the lower layer die when the lower layer die rotates, the hydraulic telescopic cylinder is reversely started to retract the clamping blocks, the lower layer die does not rotate any more, the U-shaped groove electric sliding block slides rightwards, the disc oblique block is pushed, the sliding shaft sleeve slides upwards, and the rotating shaft is lifted upwards to take the plastic product conveniently. The lower layer rotary demolding ensures that the plastic product is thoroughly separated from the mold, and the rotary demolding can also directly jack up the plastic product to be separated from the mold, so that the plastic product can be separated more thoroughly without damage.
In addition, the invention also provides a using method of the layering demolding injection molding machine capable of automatically cutting the pouring gate, which comprises the following steps:
s1: the raw materials are put into the stirring cavity, the rotating door conveys the stirring shaft to the lower side through the two sections of connecting rods, the first transmission motor is started along with the stirring shaft, the shaft controller slowly releases the stirring shaft and is not connected with the transmission, the first transmission motor is stopped along with the stirring shaft, and the heated raw materials are conveyed into the injection molding gun through the control electric control switch.
S2: the lifter overlaps upper and lower two-layer mould, and the rifle of moulding plastics slides downwards, and the threaded rod enters into the pole through-hole, rotates the atress pivoted piece, drives the cutter and slides to both sides, moulds plastics, carries out the cooling shaping through the cooling tube.
S3: after forming, the lifter is started to slide the upper layer die, the electric control rotating shaft is started, formed plastic is pushed downwards through transmission, the injection molding gun slides upwards, the stressed rotating block rotates reversely, and the cutter slides towards the middle to cut.
S4: and starting the second transmission motor, starting the hydraulic telescopic cylinder, clamping the clamping block on the inner side wall groove of the lower layer die to drive the lower layer die to rotate, demolding the lower layer die, withdrawing the clamping block, sliding the U-shaped groove electric sliding block rightward, and pushing out the molded plastic product by the rotating shaft.
Compared with the prior art, the layering demolding injection molding machine capable of automatically cutting the pouring gate and the application method thereof have the following advantages:
1. the injection molding machine can cut off the injection molding pouring gate after injection molding, and can automatically cut off the injection molding pouring gate when a plastic product keeps a certain residual temperature, so that the product is attractive.
2. The upper layer of the inner pushing block pushes the formed plastic product downwards and enables the plastic product to be separated from the die, so that the demolding effect is achieved, and the plastic product is ensured not to be adhered to the die due to pushing force everywhere, so that the plastic product is prevented from generating tensile deformation.
3. The lower layer rotary demolding ensures that the plastic product is thoroughly separated from the mold, and the rotary demolding can also directly jack up the plastic product to be separated from the mold, so that the plastic product can be separated more thoroughly without damage.
Drawings
FIG. 1 is a schematic diagram of a split layer injection molding machine with automatic gate cutting and a method of using the same.
Fig. 2 is a sectional view taken along the direction A-A in fig. 1.
Fig. 3 is a sectional view in the direction B-B of fig. 2.
Fig. 4 is an enlarged view of the structure at C in fig. 2.
Fig. 5 is an enlarged view of the structure at D in fig. 2.
Fig. 6 is an enlarged view of the structure at E in fig. 2.
In the figure, 10, a housing; 11. a second drive motor; 12. a second drive shaft; 13. a belt; 14. a rotating shaft; 15. a spline; 16. a sliding sleeve; 17. a disc sloping block; 18. a rotation shaft; 19. a hydraulic telescopic cylinder; 20. a clamping block; 21. a contact block; 22. a side clamping block; 23. a spring; 24. a sliding connecting rod; 25. a link table; 26. an electric drive chamber; 27. a short connecting rod; 28. a lower layer mold; 29. a cooling tube; 30. a lower die stage; 31. a U-shaped groove electric sliding block; 32. an upper layer mold; 33. a lifter; 34. a driven block; 35. a chain; 36. an electric control rotating shaft; 37. bevel gears; 38. a short push block; 39. a long pushing block; 40. an injection molding gun; 41. a stirring cavity; 42. an electric control switch; 43. a processing chamber; 44. a rotating door; 45. two sections of connecting rods; 46. a sliding support; 47. a material dividing groove; 48. a cross beam; 49. a stirring shaft; 50. a shaft fixing frame; 51. a shaft controller; 52. a first drive motor; 53. a first output shaft; 54. a threaded rod; 55. injection molding pouring gate; 56. a cutter; 57. a stressed rotating block; 58. a rack; 59. a rod through hole; 60. sliding the cross beam frame; 61. a motor cavity.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in FIG. 1, an automatic cut layering drawing of patterns injection molding machine of runner, including casing 10, its characterized in that, casing 10 top is fixed to be equipped with stirring chamber 41, be equipped with agitating unit in the stirring chamber 41, agitating unit is used for carrying out the heating stirring of plastic products raw materials, the fixed slip crossbeam frame 60 that is equipped with on the lateral wall about casing 10, be equipped with rotating device on the slip crossbeam frame 60, rotating device is used for carrying out the lower floor's mould rotation and carrying out the rotatory drawing of patterns of lower floor's mould, the fixed lower floor's mould platform 30 that is equipped with on the lateral wall about casing 10, be equipped with fixed riser 33 on the lower floor's mould platform 30, be equipped with shedder on the riser 33, shedder is used for the automatic drawing of patterns of upper strata mould.
As shown in fig. 2 and 3, the stirring device comprises a stirring cavity 41, a motor cavity 61 is fixedly arranged on the left side wall and the right side wall of the stirring cavity 41, a first transmission motor 52 is fixedly arranged on the lower side wall of the motor cavity 61, a first output shaft 53 is arranged at the output end of the first transmission motor 52, a shaft controller 51 is fixedly arranged at the upper end of the first output shaft 53, a slow release structure is arranged in the shaft controller 51, a transmission shaft body matched with the slow release structure can be pushed upwards and separated from the shaft body, a processing cavity 43 is fixedly arranged above the motor cavity 61, an opening is arranged on the lower side wall of the motor cavity 61, an electric control switch 42 is arranged on the lower side wall of the motor cavity 61, a shaft fixing frame 50 is fixedly arranged on the lower side wall of the processing cavity 43, two sliding brackets 46 are fixedly arranged on the front side wall and the rear side wall above the processing cavity 43, two rotating doors 44 are rotatably arranged above the processing cavity 43, two connecting rods 45 are rotatably arranged at the other ends of the rotating doors 44, one of the two connecting rods 45 penetrate through the sliding brackets 46, a beam 48 is arranged at the lower ends of the sliding brackets 46, the stirring shaft 49 can be separated from the beam 48, a stirring shaft 49 is fixedly arranged below the beam 48, the stirring shaft 49 slides in the shaft fixing frame 50, and can slide into the right side of the shaft controller 51, and can be fixedly arranged inside the shaft fixing frame 43, and can be rotated into the left side wall and can be rotated by the left side wall and then.
As shown in fig. 2 and 4, the rotating device includes a second transmission motor 11 fixed below a sliding beam frame 60, a second transmission shaft 12 is provided at the output end of the second transmission motor 11, a rotating shaft 14 is rotatably provided in the middle of the lower side wall of the housing 10, a belt 13 is sleeved between the rotating shaft 14 and the second transmission motor 11, a spline 15 is fixedly provided on the rotating shaft 14, a sliding shaft sleeve 16 is slidably provided outside the rotating shaft 14, a disc oblique block 17 is sleeved outside the sliding shaft sleeve 16, a U-shaped groove electric slider 31 is slidably provided on the upper side wall of the sliding beam frame 60, the U-shaped groove electric slider 31 can push the disc oblique block 17 to move upwards, a rotating shaft 18 is fixedly provided on the sliding shaft sleeve 16, a hydraulic telescopic cylinder 19 is fixedly provided in the rotating shaft 18, a clamping block 20 is fixedly provided at the left end and the right end of the hydraulic telescopic cylinder 19, a connecting rod 20 is fixedly provided at the outer side of each clamping block 20, a connecting rod table 25 is fixedly provided on the shaft center side of each connecting rod table 21, two short connecting rods 27 are rotatably provided on each connecting rod table 25, a sliding rod 24 is rotatably provided on each short connecting rod 27, a sliding rod 24 is capable of sliding a die 24 is provided on the lower side of the connecting rod table 24, a lower die 28 can be slidably provided on each layer of the lower die 28, and a die 28 can be matched with the lower die 28, and the lower die 28 is capable of sliding layer 28, and the lower die 28 is capable of being fixed on the lower layer 28.
As shown in fig. 2 and 5, the demolding device comprises an upper layer mold 32 fixed on a lifter 33, an electric driving cavity 26 is arranged in the upper layer mold 32, two electric control rotating shafts 36 are rotatably arranged in the electric driving cavity 26, a bevel gear 37 is fixedly arranged on each electric control rotating shaft 36, the two bevel gears 37 are meshed with each other, one electric control rotating shaft 36 rotates, a long pushing block 39 is slidably arranged in the upper layer mold 32, threads are arranged on the long pushing block 39, a driven block 34 is rotatably arranged on the long pushing block 39, the driven block 34 is meshed with the long pushing block 39 through threads, a chain 35 is sleeved between the electric control rotating shaft 36 and the driven block 34, a short pushing block 38 is slidably arranged in the upper layer mold 32, threads are arranged on the short pushing block 38, a driven block 34 is rotatably arranged on the short pushing block 38, a chain 35 is sleeved between the short pushing block 38 and the bevel gear 37, an injection gate 55 is arranged in the middle of the upper layer mold 32, and a shearing device is arranged in the injection gate 55 and is used for cutting an injection gate.
As shown in fig. 2 and 6, the shearing device comprises two stressed rotating blocks 57 rotating in the upper layer die 32, threaded holes are formed in the stressed rotating blocks 57, two cutters 56 are slidably arranged in the upper layer die 32, racks 58 are arranged between the cutters 56 and the stressed rotating blocks 57 for transmission, a rod through hole 59 is formed in each cutter 56, an injection molding gun 40 is slidably arranged at the lower end of the stirring cavity 41, a threaded rod 54 is fixedly arranged on the injection molding gun 40, threads are formed at the lower end of the threaded rod 54, and the threaded rod 54 is meshed with the stressed rotating blocks 57 through the threads.
When the equipment is used, raw materials are thrown into the stirring cavity 41 through the rotating door 44, the raw materials drop to the side through the material dividing groove 47, the rotating door 44 is in an open state, the stirring shaft 49 is pushed into the shaft control device 51 through downward transmission force of the two connecting rods 45, the cross beam 48 slides downwards, the cross beam 48 is separated from the stirring shaft 49, the raw materials are thrown into the stirring cavity, the rotating door 44 is closed but the stirring shaft 49 cannot be brought back again, the first transmission motor 52 is started, the first transmission motor 52 drives the first output shaft 53 to rotate, the stirring shaft 49 is driven to rotate through the connection of the shaft control device 51 to stir, the stirring shaft 49 is slowly released through the shaft control device 51, and after the stirring and heating are basically completed along with the time, the stirring shaft 49 is thoroughly pushed upwards by the shaft control device 51, the stirring shaft 49 is re-conveyed back to be matched with the cross beam 48, and the first transmission motor 52 is stopped. By setting the time for automatically releasing the stirring shaft 49, the time is set to be the shortest time required by stirring and heating the raw materials, the functions of automatic stirring and stopping are achieved, and the stirring and heating effects can be fully completed and the energy is saved.
The raw materials that the stirring was accomplished open through automatically controlled switch 42, enter into injection molding rifle 40 inside, injection molding rifle 40 slides down and enters into the runner 55 inside of moulding plastics, threaded rod 54 on the rifle 40 is along with entering into the pole through-hole 59 in, through with the meshing transmission of atress rotor 57, drive atress rotor 57 rotation, the atress rotor 57 rotates the back and is driven cutter 56 through rack 58 and slide left and right sides, the runner 55 of moulding plastics thoroughly opens, injection molding rifle 40 begins to mould plastics, cooling tube 29 carries out the cooling in U type groove electric slider 31 and lower floor's mould 28, after the plastic product shaping, injection molding rifle 40 upwards slides, threaded rod 54 breaks away from with the meshing of atress rotor 57, atress rotor 57 reverse gyration, push away cutter 56 to the centre, the excision of runner of moulding plastics, can be after the injection molding, automatic excision of runner of moulding plastics can make the product pleasing to the eye when the plastic product remains certain surplus temperature.
The upper and lower layers of demoulding are carried out after the plastic product is formed, the lifter 33 slides upwards, the upper layer mould 32 is driven to slide upwards, one of the electric control rotating shafts 36 is driven to rotate through electric control, the short pushing block 38 and the long pushing block 39 are driven to rotate simultaneously through the transmission power of the bevel gear 37 and the chain 35, the rotation of the short pushing block 38 and the long pushing block 39 can respectively drive the long pushing block 39 and the short pushing block 38 to the outer side of the upper layer mould 32 through threaded engagement, the long pushing block 39 and the short pushing block 38 can push the formed plastic product downwards, the plastic product is separated from the mould, the demoulding effect is achieved, and the plastic product is ensured not to be adhered on the mould due to the pushing force at four places at the same time, so that the plastic product is stretched and deformed.
The lower layer mold is also demolded, the hydraulic telescopic cylinder 19 is started, the two clamping blocks 20 are pushed outwards, the clamping blocks 20 enter the inner side groove of the lower layer mold 28, the contact block 21 is extruded to drive the connecting rod table 25 to slide, the side clamping blocks 22 are pushed out of the clamping blocks 20 through the sliding effect of the short connecting rods 27 and the sliding connecting rods 24 and clamped in the grooves of the lower layer mold 28, the second transmission motor 11 is started, the second transmission motor 11 drives the second transmission shaft 12 to rotate, the rotating shaft 14 is driven to rotate through the belt 13, the rotating shaft 14 drives the sliding shaft sleeve 16 to rotate through the spline 15, the rotating shaft 18 is driven to rotate by the rotating shaft sleeve 16, the lower layer mold 28 is driven to rotate by the rotation of the rotating shaft 18, the lower layer mold 28 is thoroughly separated from the lower layer mold when the lower layer mold 28 rotates, the clamping blocks 20 are reversely started, the lower layer mold 28 is not rotated any more, the U-shaped groove electric sliding block 31 slides rightwards to push the disc oblique block 17, the sliding shaft 16 is driven to slide upwards, and the rotating shaft 18 slides upwards, so that the plastic product is convenient to take. The lower layer rotary demolding ensures that the plastic product is thoroughly separated from the mold, and the rotary demolding can also directly jack up the plastic product to be separated from the mold, so that the plastic product can be separated more thoroughly without damage.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (3)
1. The utility model provides an automatic cut layering drawing of patterns injection molding machine of runner, includes casing (10), its characterized in that, casing (10) top is fixed to be equipped with stirring chamber (41), be equipped with agitating unit in stirring chamber (41), agitating unit is used for carrying out the heating stirring of plastic products raw materials, fixed slide beam frame (60) that are equipped with on casing (10) left and right sides wall, be equipped with rotating device on slide beam frame (60), rotating device is used for carrying out the rotation of lower floor's mould and carries out the rotatory drawing of patterns of lower floor's mould, fixed lower floor's mould platform (30) that are equipped with on casing (10) left and right sides wall, be equipped with fixed riser (33) on lower floor's mould platform (30), be equipped with shedder on riser (33), shedder is used for the automatic drawing of patterns of upper strata mould; the stirring device comprises a motor cavity (61) fixed on the left side wall and the right side wall of a stirring cavity (41), a first transmission motor (52) is fixedly arranged on the lower side wall of the motor cavity (61), a first output shaft (53) is arranged at the output end of the first transmission motor (52), a shaft control device (51) is fixedly arranged at the upper end of the first output shaft (53), a slow release structure is arranged in the shaft control device (51), a transmission shaft body matched with the slow release structure can be slowly pushed upwards and separated from the shaft body, a processing cavity (43) is fixedly arranged above the motor cavity (61), an opening is formed in the lower side wall of the motor cavity (61), an electric control switch (42) is arranged on the lower side wall of the motor cavity (61), a shaft fixing frame (50) is fixedly arranged on the lower side wall of the processing cavity (43), two sliding brackets (46) are fixedly arranged on the upper front side wall and the lower side wall of the processing cavity (43), two rotating doors (44) are rotatably arranged above the processing cavity (43), two connecting rods (45) are rotatably arranged at the other ends of the rotating doors (44), the two connecting rods (45) are fixedly arranged on the lower side walls of the processing cavity (43), the lower side wall (48) and the lower side wall is provided with a cross beam (48), the stirring shaft (49) slides in the shaft fixing frame (50), the lower end of the stirring shaft (49) can enter the shaft control device (51) and rotate along with the shaft control device, and a material dividing groove (47) is fixedly arranged on the left side wall and the right side wall of the processing cavity (43); the rotating device comprises a second transmission motor (11) fixed below a sliding beam frame (60), a second transmission shaft (12) is arranged at the output end of the second transmission motor (11), a rotating shaft (14) is rotatably arranged in the middle of the lower side wall of the shell (10), a belt (13) is sleeved between the rotating shaft (14) and the second transmission motor (11), a spline (15) is fixedly arranged on the rotating shaft (14), a sliding shaft sleeve (16) is arranged on the outer side of the rotating shaft (14) in a sliding mode, a disc inclined block (17) is sleeved on the outer side of the sliding shaft sleeve (16), a U-shaped groove electric sliding block (31) is arranged on the upper side wall of the sliding beam frame (60) in a sliding mode, the U-shaped groove electric sliding block (31) can push the disc inclined block (17) to move upwards, a rotating shaft (18) is fixedly arranged on the sliding shaft sleeve (16), a hydraulic telescopic cylinder (19) is fixedly arranged in the rotating shaft (18), clamping blocks (20) are fixedly arranged at the left end and the right end of each clamping block, a sliding block (20) is provided with a sliding block (21), a connecting rod (21) is arranged on the outer side of each clamping block, the connecting rod (20) is connected with the connecting rod (23), each connecting rod table (25) is rotatably provided with two short connecting rods (27), each short connecting rod (27) is rotatably provided with a sliding connecting rod (24), each sliding connecting rod (24) can slide in each clamping block (20), each sliding connecting rod (24) is fixedly provided with a side clamping block (22), the lower die table (30) is provided with a lower die (28), the inner side of the lower die (28) is provided with a groove matched with the clamping block (20), the rotating shaft (18) can upwards pass through the lower die (28), and the lower die (28) is internally provided with a cooling pipe (29); the demolding device comprises an upper layer mold (32) fixed on the lifter (33), an electric driving cavity (26) is arranged in the upper layer mold (32), two electric control rotating shafts (36) are rotatably arranged in the electric driving cavity (26), a bevel gear (37) is fixedly arranged on each electric control rotating shaft (36), the two bevel gears (37) are meshed with each other, one electric control rotating shaft (36) rotates through electric control, a long pushing block (39) is slidably arranged in the upper layer mold (32), threads are arranged on the long pushing block (39), a driven block (34) is rotatably arranged on the long pushing block (39), a chain (35) is sleeved between the driven block (34) and the long pushing block (39) through threaded engagement, a short pushing block (38) is slidably arranged in the upper layer mold (32), threads are arranged on the short pushing block (38), the driven block (34) is rotatably arranged on the short pushing block, and the chain (35) is meshed with the middle gate (55) through the threads of the injection molding device (55), the shearing device is used for performing injection molding sprue cutting.
2. The automatic gate cutting, layered de-molding injection molding machine of claim 1, wherein: the shearing device comprises two stressed rotating blocks (57) which rotate in the upper-layer die (32), threaded holes are formed in the stressed rotating blocks (57), two cutters (56) are arranged in the upper-layer die (32) in a sliding mode, a rack (58) is arranged between each cutter (56) and each stressed rotating block (57) for transmission, a rod through hole (59) is formed in each cutter (56), an injection molding gun (40) is arranged at the lower end of each stirring cavity (41) in a sliding mode, a threaded rod (54) is fixedly arranged on each injection molding gun (40), threads are formed in the lower end of each threaded rod (54), and the threaded rods (54) are meshed with the stressed rotating blocks (57) through threads.
3. The method for using the automatic gate cutting layered demolding injection molding machine according to claim 2, wherein the method comprises the following steps: the method comprises the following steps:
s1: the raw materials are put into a stirring cavity (41), a rotating door (44) sends a stirring shaft (49) to the lower part through two sections of connecting rods (45), a first transmission motor (52) is started along with the stirring shaft, a shaft controller (51) slowly releases the stirring shaft (49) and is not connected with transmission, the first transmission motor (52) stops along with the stirring shaft, and heated raw materials are sent into an injection molding gun (40) through a control electric control switch (42);
s2: the upper layer of die and the lower layer of die are overlapped by the lifter (33), the injection gun (40) slides downwards, the threaded rod (54) enters the rod through hole (59), the stressed rotating block (57) is rotated to drive the cutter (56) to slide to two sides for injection molding, and cooling molding is carried out through the cooling pipe (29);
s3: after forming, starting the lifter (33) to slide the upper layer die, starting the electric control rotating shaft (36), pushing the formed plastic downwards through transmission, sliding the injection gun (40) upwards, reversely rotating the stressed rotating block (57), and sliding the cutter (56) to the middle for shearing;
s4: the second transmission motor (11) is started, the hydraulic telescopic cylinder (19) is started, the clamping block (20) clamps the inner side wall groove of the lower layer die (28) to drive the lower layer die (28) to rotate, the lower layer die is demolded, the clamping block (20) is retracted along with the lower layer die, the U-shaped groove electric sliding block (31) slides rightwards, and the rotary shaft (18) pushes out a formed plastic product.
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| CN202111330333.7A CN114012973B (en) | 2021-11-11 | 2021-11-11 | Layered demolding injection molding machine capable of automatically cutting pouring gate and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114211707B (en) * | 2022-02-22 | 2022-05-06 | 湖南华澳智能科技有限公司 | Injection mold for processing air conditioner shell and using method thereof |
| CN118024516B (en) * | 2024-04-11 | 2024-06-25 | 深圳市韦宏达科技有限公司 | Forming die for injection molding part |
| CN118809966B (en) * | 2024-09-14 | 2025-01-24 | 江苏绿能汽配科技有限公司 | Plastic nozzle cutting mechanism |
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