CN113715266A - Rapid thermal cycle injection mold for automobile precision part and use method thereof - Google Patents
Rapid thermal cycle injection mold for automobile precision part and use method thereof Download PDFInfo
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- CN113715266A CN113715266A CN202111050684.2A CN202111050684A CN113715266A CN 113715266 A CN113715266 A CN 113715266A CN 202111050684 A CN202111050684 A CN 202111050684A CN 113715266 A CN113715266 A CN 113715266A
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- 238000002347 injection Methods 0.000 title claims abstract description 37
- 239000007924 injection Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001746 injection moulding Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000012778 molding material Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 239000004033 plastic Substances 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 7
- 239000002991 molded plastic Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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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
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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
- B29C45/1742—Mounting of moulds; Mould supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Abstract
The invention relates to the technical field of automobiles, in particular to a rapid thermal cycle injection mold for an automobile precision part and a using method thereof, wherein the rapid thermal cycle injection mold comprises a bottom plate, the front side and the rear side of the top end of the bottom plate are fixedly connected with a cycle mechanism, the cycle mechanism comprises a support plate and two cycle covers, the top end of the support plate is provided with a first convex groove, the inside of the first convex groove is rotatably connected with a first bidirectional screw rod, the left end of the support plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with the left end of the first bidirectional screw rod, the left side and the right side of the first bidirectional screw rod are both in threaded connection with first convex blocks, the two first convex blocks are both in sliding fit with the first convex groove, the bottom ends of the two cycle covers are respectively and fixedly connected with the top ends of the two first convex blocks, and the insides of the two cycle covers are both provided with cavities; it can be moulded plastics to the accurate piece of car and heat and cool off and go on alone, has avoided losing of the thermal that is more than, has improved the work efficiency who moulds plastics, has improved the practicality of its use.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a rapid thermal cycle injection mold for an automobile precision part and a using method thereof.
Background
As is well known, an injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions, and injection molding is a processing method used in mass production of parts with complex shapes, and specifically, plastic melted by heat is injected into a mold cavity under high pressure by an injection molding machine, and after cooling and solidification, a formed product is obtained.
Through retrieval, the invention patent with the Chinese patent number of CN201920139393.2 discloses a rapid thermal cycle injection mold for an automobile precision part, and the prior technical scheme still has the following defects: its in-process heating and cooling exchange because liquid frame itself just has heat and the inside of liquid frame still contains partial hot water, need cool down liquid frame and the inside hot water of liquid frame in cold water gets into liquid frame, and on the same hand, causes partial heat to scatter and disappear when heating through hot water to reduce injection moulding's work efficiency, reduced the practicality of its use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a rapid thermal cycle injection mold for an automobile precision part and a using method thereof so as to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a rapid thermal cycle injection mold for an automobile precision part comprises a bottom plate, wherein a cycle mechanism is fixedly connected to the front side and the rear side of the top end of the bottom plate, the cycle mechanism comprises a support plate and two cycle covers, a first convex groove is formed in the top end of the support plate, a first bidirectional screw rod is rotatably connected to the inside of the first convex groove, a first motor is fixedly connected to the left end of the support plate, the output end of the first motor is fixedly connected to the left end of the first bidirectional screw rod, first convex blocks are in threaded connection with the left side and the right side of the first bidirectional screw rod, the two first convex blocks are in sliding fit with the first convex groove, the bottom ends of the two cycle covers are respectively fixedly connected to the top ends of the two first convex blocks, cavities are formed in the two cycle covers, a left mold and a right mold are arranged in the two cycle covers, a plurality of heat conduction grooves are formed in the left end of the left mold and the right end of the right mold, the positions, corresponding to the heat conducting grooves, on the inner side walls of the two circulating covers are fixedly connected with heat conducting columns, the heat conducting columns are respectively in sliding fit with the heat conducting grooves, the top ends of the left die and the right die are provided with top plates, the bottom ends of the top plates are provided with second convex grooves, second bidirectional screw rods are rotatably connected inside the second convex grooves, the left sides of the bottom ends of the top plates are provided with grooves, the interiors of the grooves are fixedly connected with second motors, the output ends of the second motors are fixedly connected with the left ends of the second bidirectional screw rods, the left sides and the right sides of the second bidirectional screw rods are respectively in threaded connection with second convex blocks, the two second convex blocks are respectively in sliding fit with the second convex grooves, the bottom ends of the two second convex blocks are respectively fixedly connected with the top ends of the left die and the right die, the left end and the right end of each top plate are provided with fixing grooves, and the left sides and the right sides of the top plates are respectively fixedly connected with connecting blocks, the top end of each connecting block is provided with a slot, the left inner side wall and the right inner side wall of each slot are provided with a slot, the left side and the right side of the top end of the bottom plate are fixedly connected with support plates, the top ends of the two support plates are fixedly connected with a fixed plate, the left side and the right side of the bottom end of the fixed plate are provided with third convex grooves, third convex blocks are arranged in the two third convex grooves in a sliding manner, first screw rods are connected with the interiors of the two third convex blocks in a threaded manner, the two first screw rods are respectively connected with the two third convex grooves in a rotating manner, third motors are respectively fixedly connected with the rear ends of the two third motors at positions corresponding to the rear ends of the fixed plate and the two third convex grooves, the output ends of the two third motors are respectively fixedly connected with the rear ends of the two first screw rods, the bottom ends of the two third convex blocks are respectively fixedly connected with supporting rods, the bottom sides of the opposite ends of the two supporting rods are respectively fixedly connected with first electric cylinders, and the ends of the two first electric cylinders far away from the two supporting rods are respectively fixedly connected with fixed blocks, two fixed blocks respectively with two fixed slot sliding fit, the bottom of fixed plate all is provided with fourth protruding type groove with the position that two fixed blocks correspond, the inside in two fourth protruding type grooves all slides and is provided with fourth protruding type piece, the equal threaded connection in inside of two fourth protruding type pieces has the second screw rod, two second screw rods rotate with two fourth protruding type grooves respectively and are connected, the equal fixedly connected with fourth motor in position that the rear end of fixed plate and two fourth protruding type grooves correspond, the output of two fourth motors respectively with the rear end fixed connection of two second screw rods, the equal fixedly connected with second electric jar in bottom of two fourth protruding type pieces, the bottom of two electric jars of second is respectively through coupling mechanism and two connecting block fixed connection.
Preferably, the connecting mechanism comprises a third electric cylinder, a dead slot is arranged on the bottom side of the inside of the telescopic rod of the second electric cylinder, sliding grooves are arranged on the left side and the right side of the dead slot in the inside of the telescopic rod of the second electric cylinder, sliding blocks are arranged in the sliding grooves in a sliding manner, compression springs are fixedly connected to the ends, far away from the dead slot, of the two sliding blocks, clamping columns are respectively extended to the outer side of the telescopic rod of the second electric cylinder, the two clamping columns are matched with the two clamping grooves, connecting rods are respectively fixedly connected to the ends, close to the dead slot, of the two sliding blocks, the ends, far away from the two sliding blocks, of the two connecting rods are respectively extended to the inside of the dead slot, the top end of the third electric cylinder is fixedly connected with the top end of the dead slot, a sliding plate is arranged in the inside of the dead slot, and the top end of the sliding plate is fixedly connected with the bottom end of the third electric cylinder, the bottom fixedly connected with toper post of slide, the lateral wall and the inside one end contact of extending to the dead slot of two connecting rods of toper post.
Preferably, the upper left side of the front end of the right mold is connected with a material injection pipe communicated with the inside of the right mold, a notch is formed in the upper left corner of the front end of the circulating cover on the right side, and the material injection pipe is located inside the notch.
Preferably, a plurality of spoilers are fixedly connected to the inside of the cavity.
Preferably, the bottom sides of the front ends of the two circulation covers positioned on the front side are respectively connected with a first liquid inlet pipe communicated with the interiors of the two cavities, and the upper sides of the front ends of the two circulation covers positioned on the front side are respectively connected with a first liquid outlet pipe communicated with the interiors of the two cavities.
Preferably, the bottom sides of the rear ends of the two circulation covers positioned at the rear side are both connected with second liquid inlet pipes communicated with the interiors of the two cavities, and the upper sides of the rear ends of the two circulation covers positioned at the rear side are both connected with second liquid outlet pipes communicated with the interiors of the two cavities.
Preferably, the two circulation covers positioned at the front side are provided with heat insulation layers at the outer sides.
The use method of the rapid thermal cycle injection mold for the precision part of the automobile comprises the following steps:
s1, driving a second bidirectional screw rod to rotate through a second motor, enabling the left die and the right die to move towards the middle, enabling the right end of the left die to be tightly extruded with the left end of the right die, driving a first bidirectional screw rod to rotate through a first motor on the front side of displacement, enabling two first convex blocks and two circulating covers on the front side to move towards the middle, and enabling a plurality of heat conduction columns to be respectively inserted into the plurality of heat conduction grooves;
s2, connecting the two first liquid inlet pipes with an external hot water conveying pipeline, enabling hot water to enter the two cavities from the two first liquid inlet pipes, heating the left mold and the right mold through the matching of a plurality of heat conduction columns, and injecting injection molding materials between the left mold and the right mold through the injection pipe;
s3, after injection molding is completed, two circulating covers located on the front side are moved towards two sides through a first motor located on the front side, two fixing blocks are pushed to move towards a top plate through two first electric cylinders, the two fixing blocks are inserted into the two fixing grooves respectively, telescopic rods of two second electric cylinders are inserted into the two slots located on the rear side, a sliding plate and a conical column are pushed to move downwards through a third electric cylinder, a connecting rod, two sliding blocks and two clamping columns are pushed to move towards two sides through the conical column, the two clamping columns are clamped in the two clamping grooves to fixedly connect the second electric cylinders with the connecting block, two third motors drive two first screw rods to rotate, a left mold and a right mold located on the front side are moved towards the rear side and are moved to the middle of the two circulating covers located on the rear side, and the two second electric cylinders pull the top plate located on the rear side, The left mold and the right mold are moved to the upper sides of the two circulating covers, then the two fourth motors drive the two second screw rods to rotate, the two second screw rods rotate to enable the two left molds and the right molds which are positioned at the rear side to move to the positions above the two circulating covers which are positioned at the front side, the two second electric cylinders push the left molds and the right molds to move to the inner parts of the two circulating covers which are positioned at the front side, and then the two first motors rotate to enable the four circulating covers to respectively clamp the two groups of left molds and the two groups of right molds;
s4, conveying external cooling water to the inside of the cavity through the two second liquid inlet pipes positioned on the rear side, cooling the left mold and the right mold positioned on the rear side through the matching of the plurality of heat conducting columns, simultaneously enabling hot water to enter the inside of the two cavities from the two first liquid inlet pipes, and heating the left mold and the right mold positioned on the front side.
(III) advantageous effects
Compared with the prior art, the invention provides a rapid thermal cycle injection mold for an automobile precision part and a using method thereof, and the rapid thermal cycle injection mold has the following beneficial effects:
in the invention, two circulating covers positioned on the front side are moved towards two sides by a first motor positioned on the front side, two fixing blocks are pushed to move towards a top plate by two first electric cylinders, the two fixing blocks are respectively inserted into the two fixing grooves, telescopic rods of two second electric cylinders are inserted into the two slots positioned on the rear side, a sliding plate and a conical column are pushed to move downwards by a third electric cylinder, a connecting rod, two sliding blocks and two clamping columns are pushed to move towards two sides by the conical column, the two clamping columns are clamped in the two clamping grooves, the second electric cylinders are fixedly connected with a connecting block, two first screws are driven to rotate by two third motors, a left mold and a right mold positioned on the front side are moved towards the rear side and are moved to the middle of the two circulating covers positioned on the rear side, and the top plate positioned on the rear side is pulled by the two second electric cylinders, The left mold and the right mold move to the upper sides of the two circulation covers, then the two fourth motors drive the two second screws to rotate, the two second screws rotate to enable the two left molds and the right molds which are positioned at the rear side to move to the upper sides of the two circulation covers which are positioned at the front side, the two second electric cylinders push the left molds and the right molds to move to the inner parts of the two circulation covers which are positioned at the front side, then the four circulation covers rotate to respectively clamp the two groups of left molds and the right molds through the two first motors, external cooling water is conveyed to the inner parts of the cavities through the two second liquid inlet pipes which are positioned at the rear side, the left molds and the right molds which are positioned at the rear side are cooled through the matching of a plurality of heat conduction columns, hot water enters the inner parts of the two cavities from the two first liquid inlet pipes, the left molds and the right molds which are positioned at the front side are heated, injection molding is continued, and the injection heating and cooling of the automobile precision parts can be independently carried out, the loss of excessive heat is avoided, the injection molding working efficiency is improved, and the use practicability is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the attachment of two circulation hoods and support plates of the present invention;
FIG. 3 is a schematic diagram of the right view of the two circulation mechanisms of the present invention;
FIG. 4 is a schematic top view of the fixed plate, two third motors and two fourth motors according to the present invention;
FIG. 5 is an enlarged schematic view of the invention at A of FIG. 1;
fig. 6 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
In the figure: 1. a base plate; 2. a support plate; 3. a circulation cover; 4. a first bidirectional lead screw; 5. a first motor; 6. a first male block; 7. a left mold; 8. a right mold; 9. a heat-conducting column; 10. a top plate; 11. a second bidirectional lead screw; 12. a second motor; 13. a second male block; 14. a fixed block; 15. a support plate; 16. a fixing plate; 17. a third male block; 18. a first screw; 19. a third motor; 20. a strut; 21. a first electric cylinder; 22. connecting blocks; 23. a fourth male block; 24. a second screw; 25. a fourth motor; 26. a second electric cylinder; 27. a third electric cylinder; 28. a slider; 29. a compression spring; 30. clamping the column; 31. a connecting rod; 32. a slide plate; 33. a tapered post; 34. a material injection pipe; 35. a spoiler; 36. a first liquid inlet pipe; 37. a first liquid outlet pipe; 38. a second liquid inlet pipe; 39. a second liquid outlet pipe; 40. and (7) an insulating layer.
Detailed Description
Examples
Referring to fig. 1-6, a rapid thermal cycle injection mold for precision parts of an automobile comprises a bottom plate 1, wherein a cycle mechanism is fixedly connected to both the front side and the rear side of the top end of the bottom plate 1, the cycle mechanism comprises a support plate 2 and two cycle covers 3, a first convex groove is arranged at the top end of the support plate 2, a first bidirectional screw 4 is rotatably connected to the inside of the first convex groove, a first motor 5 is fixedly connected to the left end of the support plate 2, the output end of the first motor 5 is fixedly connected to the left end of the first bidirectional screw 4, first convex blocks 6 are respectively in threaded connection with the left side and the right side of the first bidirectional screw 4, the two first convex blocks 6 are respectively in sliding fit with the first convex groove, the bottom ends of the two cycle covers 3 are respectively fixedly connected to the top ends of the two first convex blocks 6, a cavity is arranged inside each of the two cycle covers 3, a left mold 7 and a right mold 8 are arranged inside each of each cycle cover 3, the left end of the left mould 7 and the right end of the right mould 8 are both provided with a plurality of heat conducting grooves, the positions on the inner side walls of the two circulating covers 3 corresponding to the plurality of heat conducting grooves are both fixedly connected with heat conducting columns 9, the plurality of heat conducting columns 9 are respectively in sliding fit with the plurality of heat conducting grooves, the top ends of the left mould 7 and the right mould 8 are provided with a top plate 10, the bottom end of the top plate 10 is provided with a second convex groove, the inside of the second convex groove is rotatably connected with a second bidirectional screw rod 11, the left side of the bottom end of the top plate 10 is provided with a groove, the inside of the groove is fixedly connected with a second motor 12, the output end of the second motor 12 is fixedly connected with the left end of the second bidirectional screw rod 11, the left side and the right side of the second bidirectional screw rod 11 are both in threaded connection with second convex blocks 13, the two second convex blocks 13 are both in sliding fit with the second convex groove, the bottom ends of the two second convex blocks 13 are respectively fixedly connected with the top ends of the left mould 7 and the right mould 8, the left end and the right end of the top plate 10 are both provided with a fixed groove, the left side of the top end and the right side of the top end of the top plate 10 are both fixedly connected with a connecting block 22, the top end of the connecting block 22 is both provided with a slot, the left inner side wall and the right inner side wall of the slot are both provided with a slot, the left side and the right side of the top end of the bottom plate 1 are both fixedly connected with a support plate 15, the top ends of the two support plates 15 are both fixedly connected with a fixed plate 16, the left side and the right side of the bottom end of the fixed plate 16 are both provided with a third convex groove, a third convex block 17 is respectively arranged inside the two third convex grooves in a sliding way, the inside of the two third convex blocks 17 is both in threaded connection with a first screw 18, the two first screws 18 are respectively in rotating connection with the two third convex grooves, the positions of the rear end of the fixed plate 16 corresponding to the two third convex grooves are both fixedly connected with a third motor 19, and the output ends of the two third motors 19 are respectively in fixed connection with the rear ends of the two first screws 18, the bottom ends of the two third convex blocks 17 are fixedly connected with supporting rods 20, the bottom sides of the opposite ends of the two supporting rods 20 are fixedly connected with first electric cylinders 21, the ends of the two first electric cylinders 21, which are far away from the two supporting rods 20, are fixedly connected with fixing blocks 14, the two fixing blocks 14 are respectively in sliding fit with the two fixing grooves, the bottom ends of the fixing plates 16, which correspond to the two fixing blocks 14, are respectively provided with a fourth convex groove, the interiors of the two fourth convex grooves are respectively provided with a fourth convex block 23 in a sliding manner, the interiors of the two fourth convex blocks 23 are respectively in threaded connection with second screw rods 24, the two second screw rods 24 are respectively in rotating connection with the two fourth convex grooves, the rear ends of the fixing plates 16, which correspond to the two fourth convex grooves, are respectively and fixedly connected with fourth motors 25, the output ends of the two fourth motors 25 are respectively and fixedly connected with the rear ends of the two second screw rods 24, the bottom ends of the two fourth convex blocks 23 are respectively and fixedly connected with second electric cylinders 26, the bottom ends of the two second electric cylinders 26 are fixedly connected with the two connecting blocks 22 through connecting mechanisms respectively.
Specifically, the connecting mechanism includes a third electric cylinder 27, a hollow groove is provided on the bottom side of the inside of the telescopic rod of the second electric cylinder 26, sliding grooves are provided on the left side and the right side of the hollow groove inside the telescopic rod of the second electric cylinder 26, sliding blocks 28 are slidably provided inside the sliding grooves, compression springs 29 are fixedly connected to the ends of the two sliding blocks 28 far away from the hollow groove, clamping posts 30 are fixedly connected to the ends of the two sliding blocks 28 far away from the hollow groove, the ends of the two clamping posts 30 far away from the hollow groove extend to the outer side of the telescopic rod of the second electric cylinder 26, the two clamping posts 30 are adapted to the two clamping grooves, connecting rods 31 are fixedly connected to the ends of the two sliding blocks 28 near the hollow groove, the ends of the two connecting rods 31 far away from the two sliding blocks 28 extend to the inside of the hollow groove, the top end of the third electric cylinder 27 is fixedly connected to the top end of the hollow groove, a sliding plate 32 is slidably provided inside the hollow groove, the top end of the sliding plate 32 is fixedly connected to the bottom end of the third electric cylinder 27, the bottom end of the sliding plate 32 is fixedly connected with a tapered column 33, and the outer side wall of the tapered column 33 is in contact with one end of the two connecting rods 31 extending to the inside of the empty groove.
Specifically, the upper left side of the front end of the right mold 8 is connected with an injection pipe 34 communicated with the inside of the right mold 8, the upper left corner of the front end of the circulation cover 3 on the right side is provided with a notch, the injection pipe 34 is located in the notch, and injection materials are conveniently conveyed to the middle of the left mold 7 and the right mold 8 through the injection pipe 34 and are injected.
Specifically, a plurality of spoilers 35 are fixedly connected to the inside of the cavity, so that the spoilers play a role in stopping flow, and the speed of water flowing in the cavity is reduced.
Specifically, the bottom sides of the front ends of the two circulation covers 3 positioned on the front side are connected with first liquid inlet pipes 36 communicated with the interiors of the two cavities, the upper sides of the front ends of the two circulation covers 3 positioned on the front side are connected with first liquid outlet pipes 37 communicated with the interiors of the two cavities, hot water can be conveniently injected into the cavities of the two circulation covers 3 positioned on the rear side through the first liquid inlet pipes 36, and the hot water in the cavities is discharged through the first liquid outlet pipes 37.
Specifically, the bottom sides of the rear ends of the two circulation covers 3 located at the rear side are connected with second liquid inlet pipes 38 communicated with the interiors of the two cavities, the upper sides of the rear ends of the two circulation covers 3 located at the rear side are connected with second liquid outlet pipes 39 communicated with the interiors of the two cavities, cooling water can be conveniently injected into the cavities of the two circulation covers 3 located at the rear side through the second liquid inlet pipes 38, and the cooling water is discharged through the second liquid outlet pipes 39.
Specifically, the outer sides of the two circulation covers 3 positioned at the front side are both provided with the heat preservation layer 40, so that the heat preservation and insulation effects are achieved.
The invention also provides a use method of the rapid thermal cycle injection mold for the automobile precision part, which comprises the following steps:
s1, driving a second bidirectional screw rod 11 to rotate through a second motor 12 to enable a left die 7 and a right die 8 to move towards the middle, enabling the right end of the left die 7 to be tightly extruded with the left end of the right die 8, then driving a first bidirectional screw rod 4 to rotate through a first motor 5 on the front side of displacement, enabling two first convex blocks 6 and two circulation covers 3 on the front side to move towards the middle, and enabling a plurality of heat conduction columns 9 to be respectively inserted into the plurality of heat conduction grooves;
s2, the two first liquid inlet pipes 36 are connected with an external hot water conveying pipeline, hot water enters the two cavities from the two first liquid inlet pipes 36, the left mold 7 and the right mold 8 are heated by matching of the plurality of heat conduction columns 9, and injection molding materials are injected between the left mold 7 and the right mold 8 through the injection pipe 34;
s3, after injection molding is completed, the two circulation covers 3 on the front side are moved towards two sides by the first motor 5 on the front side, the two fixing blocks 14 are pushed to move towards the top plate 10 by the two first electric cylinders 21, the two fixing blocks 14 are respectively inserted into the two fixing grooves, the two fixing blocks 14 are inserted into the two slots on the rear side by the telescopic rods of the two second electric cylinders 26, the sliding plate 32 and the tapered column 33 are pushed to move downwards by the third electric cylinder 27, the connecting rod 31, the two sliding blocks 28 and the two clamping columns 30 are pushed to move towards two sides by the tapered column 33, the two clamping columns 30 are clamped inside the two clamping grooves, the second electric cylinder 26 is fixedly connected with the connecting block 22, the two third motors 19 drive the two first screw rods 18 to rotate, the left mold 7 and the right mold 8 on the front side are moved towards the rear side and moved to the middle of the two circulation covers 3 on the rear side, meanwhile, the two second electric cylinders 26 pull the top plate 10, the left mold 7 and the right mold 8 which are positioned on the rear side to move to the upper sides of the two circulation covers 3, then the two fourth motors 25 drive the two second screw rods 24 to rotate, the two second screw rods 24 rotate to enable the two left molds 7 and the two right molds 8 which are positioned on the rear side to move to the upper sides of the two circulation covers 3 which are positioned on the front side, the two second electric cylinders 26 push the left molds 7 and the right molds 8 to move to the inner parts of the two circulation covers 3 which are positioned on the front side, and then the two first motors 5 rotate to enable the four circulation covers 3 to respectively clamp the two groups of left molds 7 and the right molds 8;
s4, delivering the external cooling water to the inside of the cavity through the two second liquid inlet pipes 38 located at the rear side, cooling the left mold 7 and the right mold 8 located at the rear side through the cooperation of the plurality of heat conducting columns 9, and simultaneously making the hot water enter the inside of the two cavities from the two first liquid inlet pipes 36 to heat the left mold 7 and the right mold 8 located at the front side.
In this embodiment, the models of the first motor 5, the second motor 12, the third motor 19, the fourth motor 25, the first electric cylinder 21, the second electric cylinder 26 and the third electric cylinder 27 are YVF2-63M1-4, YVF2-63M1-4, YVF2-63M1-4, YVF2-63M1-4, GRA-L36, FAI50 and GRA-L36, respectively, the first motor 5, the second motor 12, the third motor 19, the fourth motor 25, the first electric cylinder 21, the second electric cylinder 26 and the third electric cylinder 27 are all known devices directly purchased from the market, and we only use them and do not make structural and functional improvements on them, and we do not describe here in detail again, and the first motor 5, the second motor 12, the third motor 19, the fourth motor 25, the first electric cylinder 21, the second electric cylinder 26 and the third electric cylinder 27 are all provided with their associated switches, the installation positions of the control switches are selected according to actual use requirements, so that an operator can conveniently perform operation control, the first motor 5, the second motor 12, the third motor 19 and the fourth motor 25 are forward and reverse rotating motors, and for forward and reverse rotation of the first motor 5, the second motor 12, the third motor 19 and the fourth motor 25, the forward and reverse rotation of the first motor 5, the second motor 12, the third motor 19 and the fourth motor 25 is known as a well-known technology of a person skilled in the art according to a patent with the patent number of CN109889124A, and the technology is mature and can be realized.
In summary, when the rapid thermal cycle injection mold for precision parts of automobiles and the using method thereof are used, the two cycle covers 3 positioned on the front side are moved towards two sides by the first motor 5 positioned on the front side, the two fixing blocks 14 are pushed to move towards the top plate 10 by the two first electric cylinders 21, the two fixing blocks 14 are respectively inserted into the two fixing grooves, the telescopic rods of the two second electric cylinders 26 are inserted into the two slots positioned on the rear side, the sliding plate 32 and the tapered column 33 are pushed to move downwards by the third electric cylinder 27, the connecting rod 31, the two sliding blocks 28 and the two clamping columns 30 are pushed to move towards two sides by the tapered column 33, the two clamping columns 30 are clamped inside the two clamping grooves, the second electric cylinders 26 are fixedly connected with the connecting block 22, the two first screws 18 are driven to rotate by the two third motors 19, the left mold 7 and the right mold 8 positioned on the front side are moved towards the rear side, and moving to the middle of two circulation covers 3 at the rear side, simultaneously pulling a top plate 10, a left mold 7 and a right mold 8 at the rear side to the upper sides of the two circulation covers 3 by two second electric cylinders 26, then driving two second screws 24 to rotate by two fourth motors 25, enabling the two left molds 7 and the two right molds 8 at the rear side to move to the upper sides of the two circulation covers 3 at the front side by the rotation of the two second screws 24, pushing the left molds 7 and the right molds 8 to move to the inner parts of the two circulation covers 3 at the front side by the two second electric cylinders 26, then respectively clamping the two groups of left molds 7 and the right molds 8 by the four circulation covers 3 by the rotation of the two first motors 5, conveying external cooling water to the inner parts of the cavity by two second liquid inlet pipes 38 at the rear side, and cooling the left molds 7 and the right molds 8 at the rear side by the cooperation of a plurality of heat conduction columns 9, make hot water get into the inside of two cavities from two first feed liquor pipes 36 simultaneously, heat left mould 7 and right mould 8 that are located the front side to continue moulding plastics, thereby can mould plastics heating and cooling to the car precision piece and go on alone, avoided thermal losing more than, improved the work efficiency who moulds plastics, improved the practicality of its use.
Claims (8)
1. The utility model provides a quick thermal cycle injection mold of car precision piece, includes bottom plate (1), its characterized in that, the equal fixedly connected with circulation mechanism in front side and the rear side on the top of bottom plate (1), circulation mechanism includes backup pad (2) and two circulation covers (3), backup pad (2) top is provided with first protruding type groove, and the inside rotation in first protruding type groove is connected with first double screw (4), and the left end fixedly connected with first motor (5) of backup pad (2), the output of first motor (5) and the left end fixed connection of first double screw (4), and the left side and the right side of first double screw (4) all threaded connection have first protruding type piece (6), and two first protruding type piece (6) all with first protruding type groove sliding fit, two the bottom of circulation cover (3) respectively with the top fixed connection of two first protruding type pieces (6), cavities are respectively arranged in the two circulating covers (3), a left die (7) and a right die (8) are arranged in the two circulating covers (3), a plurality of heat conduction grooves are respectively arranged at the left end of the left die (7) and the right end of the right die (8), heat conduction columns (9) are respectively and fixedly connected with the positions, corresponding to the heat conduction grooves, on the inner side walls of the two circulating covers (3), the heat conduction columns (9) are respectively in sliding fit with the heat conduction grooves, top plates (10) are arranged at the top ends of the left die (7) and the right die (8), a second convex groove is arranged at the bottom end of each top plate (10), a second bidirectional lead screw (11) is rotatably connected inside the second convex groove, a groove is arranged at the left side of the bottom end of each top plate (10), a second motor (12) is fixedly connected inside the groove, and the output end of the second motor (12) is fixedly connected with the left end of the second bidirectional lead screw (11), the left side and the right side of the second bidirectional screw rod (11) are both in threaded connection with second convex blocks (13), the two second convex blocks (13) are both in sliding fit with second convex grooves, the bottoms of the two second convex blocks (13) are respectively fixedly connected with the top ends of the left die (7) and the right die (8), the left end and the right end of the top plate (10) are both provided with fixed grooves, the left side and the right side of the top end of the top plate (10) are both fixedly connected with connecting blocks (22), the top end of each connecting block (22) is both provided with an insertion groove, the left inner side wall and the right inner side wall of each insertion groove are both provided with a clamping groove, the left side and the right side of the top end of the bottom plate (1) are both fixedly connected with support plates (15), the top ends of the two support plates (15) are both fixedly connected with a fixed plate (16), the left side and the right side of the bottom end of the fixed plate (16) are both provided with third convex grooves, and the insides of the two third convex grooves are both provided with third convex blocks (17) in a sliding manner, the inner parts of the two third convex blocks (17) are all in threaded connection with first screw rods (18), the two first screw rods (18) are respectively in rotating connection with the two third convex grooves, the positions, corresponding to the two third convex grooves, of the rear ends of the fixing plates (16) are all fixedly connected with third motors (19), the output ends of the two third motors (19) are respectively fixedly connected with the rear ends of the two first screw rods (18), the bottom ends of the two third convex blocks (17) are all fixedly connected with supporting rods (20), the bottom sides of the opposite ends of the two supporting rods (20) are all fixedly connected with first electric cylinders (21), the ends, far away from the two supporting rods (20), of the two first electric cylinders (21) are all fixedly connected with fixing blocks (14), the two fixing blocks (14) are respectively in sliding fit with the two fixing grooves, fourth convex grooves are respectively arranged at the positions, corresponding to the bottom ends of the fixing plates (16) and the two fixing blocks (14), the inside in two fourth protruding type grooves all slides and is provided with fourth protruding type piece (23), the equal threaded connection in inside of two fourth protruding type pieces (23) has second screw rod (24), two second screw rods (24) rotate with two fourth protruding type grooves respectively and are connected, the equal fixedly connected with fourth motor (25) in position that the rear end of fixed plate (16) and two fourth protruding type grooves correspond, the output of two fourth motor (25) respectively with the rear end fixed connection of two second screw rods (24), the equal fixedly connected with second electric jar (26) in bottom of two fourth protruding type pieces (23), the bottom of two electric jar (26) of second is respectively through coupling mechanism and two connecting block (22) fixed connection.
2. The rapid thermal cycle injection mold for the precision parts of the automobile according to claim 1, wherein the connecting mechanism comprises a third electric cylinder (27), the bottom side of the inside of the telescopic rod of the second electric cylinder (26) is provided with a hollow groove, the inside of the telescopic rod of the second electric cylinder (26) is provided with a sliding groove at the left side and the right side of the hollow groove, a sliding block (28) is slidably arranged inside the sliding groove, one ends of the two sliding blocks (28) far away from the hollow groove are fixedly connected with a compression spring (29), one ends of the two sliding blocks (28) far away from the hollow groove are fixedly connected with clamping columns (30), one ends of the two clamping columns (30) far away from the hollow groove extend to the outside of the telescopic rod of the second electric cylinder (26), the two clamping columns (30) are matched with the two clamping grooves, one ends of the two sliding blocks (28) near the hollow groove are fixedly connected with connecting rods (31), one ends of the two connecting rods (31) far away from the two sliding blocks (28) extend to the inside of the hollow groove, the top of third electronic jar (27) and the top fixed connection of dead slot, the inside slip of dead slot is provided with slide (32), the top of slide (32) and the bottom fixed connection of third electronic jar (27), the bottom fixed connection of slide (32) has toper post (33), and the lateral wall and two connecting rods (31) of toper post (33) extend to the inside one end contact of dead slot.
3. The rapid thermal cycle injection mold for the precision parts of the automobile according to claim 2, wherein the left upper side of the front end of the right mold (8) is connected with a material injection pipe (34) communicated with the inside of the right mold (8), the left upper corner of the front end of the circulation cover (3) on the right side is provided with a notch, and the material injection pipe (34) is located inside the notch.
4. The rapid thermal cycle injection mold of automotive precision parts according to claim 3, characterized in that a plurality of flow baffles (35) are fixedly connected inside the cavity.
5. The rapid thermal cycle injection mold for the precision parts of the automobile according to claim 4, wherein the bottom sides of the front ends of the two circulation covers (3) at the front side are connected with first liquid inlet pipes (36) communicated with the interiors of the two cavities, and the upper sides of the front ends of the two circulation covers (3) at the front side are connected with first liquid outlet pipes (37) communicated with the interiors of the two cavities.
6. The rapid thermal cycle injection mold for the precision parts of the automobile according to claim 5, wherein the bottom sides of the rear ends of the two circulation covers (3) at the rear side are connected with second liquid inlet pipes (38) communicated with the interiors of the two cavities, and the upper sides of the rear ends of the two circulation covers (3) at the rear side are connected with second liquid outlet pipes (39) communicated with the interiors of the two cavities.
7. The rapid thermal cycle injection mold of an automobile precision part according to claim 6, characterized in that the outer sides of the two circulation covers (3) at the front side are provided with insulation layers (40).
8. An automobile precision part rapid thermal cycle injection mold and a using method thereof are characterized in that the using method of the automobile precision part rapid thermal cycle injection mold according to any one of claims 1-7 is used, and comprises the following steps:
s1, driving a second bidirectional screw rod (11) to rotate through a second motor (12) to enable a left die (7) and a right die (8) to move towards the middle, enabling the right end of the left die (7) to be tightly extruded with the left end of the right die (8), then driving a first bidirectional screw rod (4) to rotate through a first motor (5) on the front side of displacement, enabling two first convex blocks (6) and two circulation covers (3) on the front side to move towards the middle, and enabling a plurality of heat conduction columns (9) to be respectively inserted into a plurality of heat conduction grooves;
s2, the two first liquid inlet pipes (36) are connected with an external hot water conveying pipeline, hot water enters the two cavities from the two first liquid inlet pipes (36), the left mold (7) and the right mold (8) are heated through the matching of the plurality of heat conducting columns (9), and meanwhile, injection molding materials are injected between the left mold (7) and the right mold (8) through the injection pipe (34);
s3, after injection molding is completed, two circulation covers (3) located on the front side are moved towards two sides through a first motor (5) located on the front side, two fixing blocks (14) are pushed to move towards a top plate (10) through two first electric cylinders (21), the two fixing blocks (14) are respectively inserted into the two fixing grooves, the two fixing blocks are inserted into the two slots located on the rear side through telescopic rods of two second electric cylinders (26), a sliding plate (32) and a conical column (33) are pushed to move downwards through a third electric cylinder (27), a connecting rod (31), two sliding blocks (28) and two clamping columns (30) are pushed to move towards two sides through the conical column (33), the two clamping columns (30) are clamped inside the two clamping grooves, the second electric cylinders (26) are fixedly connected with a connecting block (22), and two first screws (18) are driven to rotate through two third motors (19), the left mold (7) and the right mold (8) which are positioned at the front side move to the rear side and move to the middle of the two circulation covers (3) which are positioned at the rear side, meanwhile, two second electric cylinders (26) pull the top plate (10), the left die (7) and the right die (8) which are positioned at the rear side to move to the upper sides of the two circulating covers (3), then two second screws (24) are driven to rotate by two fourth motors (25), the two second screws (24) rotate to enable two left molds (7) and two right molds (8) which are positioned at the rear side to move to the positions above two circulating covers (3) which are positioned at the front side, and the left die (7) and the right die (8) are pushed to move to the inner parts of the two circulation covers (3) positioned at the front side through two second electric cylinders (26), then, the four circulating covers (3) are enabled to respectively clamp two groups of left molds (7) and right molds (8) through the rotation of the two first motors (5);
s4, conveying external cooling water to the inside of the cavity through the two second liquid inlet pipes (38) positioned on the rear side, cooling the left mold (7) and the right mold (8) positioned on the rear side through the matching of the plurality of heat conduction columns (9), simultaneously enabling hot water to enter the inside of the two cavities from the two first liquid inlet pipes (36), and heating the left mold (7) and the right mold (8) positioned on the front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111050684.2A CN113715266A (en) | 2021-09-08 | 2021-09-08 | Rapid thermal cycle injection mold for automobile precision part and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111050684.2A CN113715266A (en) | 2021-09-08 | 2021-09-08 | Rapid thermal cycle injection mold for automobile precision part and use method thereof |
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| Publication Number | Publication Date |
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| CN113715266A true CN113715266A (en) | 2021-11-30 |
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| CN202111050684.2A Withdrawn CN113715266A (en) | 2021-09-08 | 2021-09-08 | Rapid thermal cycle injection mold for automobile precision part and use method thereof |
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| CN (1) | CN113715266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625860A (en) * | 2022-10-24 | 2023-01-20 | 陈玉琴 | Injection mold for injection molding machine |
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2021
- 2021-09-08 CN CN202111050684.2A patent/CN113715266A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625860A (en) * | 2022-10-24 | 2023-01-20 | 陈玉琴 | Injection mold for injection molding machine |
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