CN114571705A - Quick-cooling extrusion-blowing device for polypropylene combined cover for plastic infusion container - Google Patents
Quick-cooling extrusion-blowing device for polypropylene combined cover for plastic infusion container Download PDFInfo
- Publication number
- CN114571705A CN114571705A CN202210184784.2A CN202210184784A CN114571705A CN 114571705 A CN114571705 A CN 114571705A CN 202210184784 A CN202210184784 A CN 202210184784A CN 114571705 A CN114571705 A CN 114571705A
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- extrusion
- fixedly connected
- rigid coupling
- top surface
- infusion container
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- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 238000007664 blowing Methods 0.000 title claims abstract description 26
- 238000001802 infusion Methods 0.000 title claims abstract description 25
- 239000004033 plastic Substances 0.000 title claims abstract description 22
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 19
- -1 polypropylene Polymers 0.000 title claims abstract description 19
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 27
- 238000010168 coupling process Methods 0.000 claims description 27
- 238000005859 coupling reaction Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 23
- 238000000071 blow moulding Methods 0.000 claims description 18
- 210000001503 joint Anatomy 0.000 claims description 5
- 210000005069 ears Anatomy 0.000 claims 1
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000010101 extrusion blow moulding Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4823—Moulds with incorporated heating or cooling 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/58—Blowing 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/64—Heating or cooling preforms, parisons or blown articles
- B29C49/66—Cooling by refrigerant introduced into the blown article
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
- B29C49/783—Measuring, controlling or regulating blowing pressure
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/64—Heating or cooling preforms, parisons or blown articles
- B29C49/6604—Thermal conditioning of the blown article
- B29C2049/6606—Cooling the article
- B29C2049/6653—Cooling the article the medium being other than cooled air
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a quick-cooling extrusion-blowing device for a polypropylene combined cover for a plastic infusion container, which comprises a workbench, wherein the top surface of the workbench is fixedly connected with a lower box body. The push rod structure is arranged at the position of the piston, the spring is arranged in the push rod structure, when the piston is pushed to perform extrusion blowing, if the air pressure is large, the piston resistance is large, the contraction degree of the spring is increased, the pushing speed of the piston is reduced, the air extrusion speed is adjusted according to the air pressure, the air pressure of the air extrusion is balanced, and the condition that the wall thickness of the extrusion-blown bottle cover is uneven due to different air pressures is avoided.
Description
Technical Field
The invention relates to the technical field of production of medical infusion containers, in particular to a quick-cooling extrusion-blowing device for a polypropylene combined cover for a plastic infusion container.
Background
The infusion is to input a large amount of injection into a human body by a mode of intravenous drip, at present, a plastic infusion bottle gradually replaces a traditional glass infusion bottle, a plastic infusion container has low cost and is not easy to break, the current plastic infusion bottle cap is usually made of polypropylene, the bottle cap is produced by using a mode of extrusion blow molding, the extrusion blow molding is a method for manufacturing a hollow thermoplastic part by blowing air into a blow molding die to ensure that plastic is attached to the inner wall of a die cavity for cooling, solidifying and forming, but the current extrusion blow molding equipment has the following defects when producing the bottle cap:
1. in the extrusion blow molding of the bottle cap of the infusion container, the air pressure reaching the mold cavity can be changed, the more air is extruded and blown, the higher the air pressure is, the speed of the existing extrusion and blowing equipment is consistent, and the overhigh air pressure in the mold is caused along with the extrusion of the air, so that the wall thickness of the produced finished product is different in size, and the quality of the product is influenced;
2. after the finished product of the bottle cap is formed, cooling is needed, at present, direct demoulding is adopted, and the finished product is put into cold water for rapid cooling forming, but the finished product is not cooled during demoulding, so that the deformation of the finished product is easy to occur;
3. the extrusion blow piece in the existing bottle cap extrusion blow molding equipment is usually fixedly connected in the equipment and is difficult to disassemble and maintain, so that the cost of subsequent maintenance is increased.
To this end, we propose a quick cooling extrusion-blowing device for polypropylene combined caps for plastic infusion containers to solve the above problems.
Disclosure of Invention
The invention aims to provide a quick-cooling extrusion-blowing device for a polypropylene combined cover for a plastic infusion container, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a fast-cooling extrusion-blowing device of a polypropylene combined cover for a plastic infusion container comprises a workbench, wherein the top surface of the workbench is fixedly connected with a lower box body, one side in the lower box body is fixedly connected with a fixed block, the top surface of the fixed block is provided with a plurality of drop grooves, the bottom surfaces of the drop grooves are provided with arc-shaped bottom grooves, and extrusion-blowing components are placed in the arc-shaped bottom grooves;
the extrusion-blowing assembly comprises a barrel, wherein one end of the barrel is fixedly connected with an air outlet pipe, the air outlet pipe is communicated with the interior of the barrel, a piston is slidably connected with the interior of the barrel, a limiting ring is fixedly connected between the piston and the air outlet pipe in the interior of the barrel, a push rod structure is fixedly connected to the central position of one side, away from the air outlet pipe, of the piston, and the other end of the push rod structure is fixedly connected with a rod body;
the push rod structure includes flexible mobile jib, flexible mobile jib one end rigid coupling body of rod tip, flexible mobile jib other end slides and cup joints flexible slave rod, flexible slave rod is kept away from flexible mobile jib one end rigid coupling piston, flexible slave rod is located rigid coupling spring between flexible mobile jib one end and the flexible mobile jib.
Preferably, the top surface of the workbench is vertically and fixedly connected with a fixed plate at one end far away from the lower box body, two first guide sliding holes are respectively horizontally formed in two ends of the fixed plate, two first guide sliding rods are respectively sleeved in the first guide sliding holes in a sliding manner, and one end, close to the lower box body, of each first guide sliding rod is fixedly connected with a movable template.
Preferably, the top surface of the workbench is fixedly connected with a cooling cover at the outer side of the movable template, a cold liquid cavity is formed in the cooling cover, a cold liquid pipe is fixedly connected in the cold liquid cavity, the top surface of the cooling cover is fixedly connected with a liquid connecting pipe, and the liquid connecting pipe is communicated with the cold liquid pipe.
Preferably, two sides of the cylinder are horizontally and fixedly connected with two side lugs respectively, two side notches are formed in the positions, corresponding to the two side lugs, of the two sides of the falling groove respectively, the side lugs are inserted into the side notches and contact the bottom surfaces of the side notches, a front notch is formed in one side, close to the movable template, of the side wall of the lower box body, the air outlet pipe is inserted into the front notch, an annular clamping plate is fixedly connected to the outer side wall of the air outlet pipe, and the annular clamping plate contacts the outer side wall of the lower box body.
Preferably, the top surface of the lower box body is fixedly connected with the upper box body through a fixing bolt, the top surface inside the upper box body is fixedly connected with a pressing plate corresponding to the position of the side lug, the bottom end of the pressing plate contacts with the top surface of the side lug, one end of the outer side wall of the barrel body, which is close to the air outlet pipe, is vertically and fixedly connected with an air inlet pipe, a through hole is formed in the first air inlet pipe of the top surface of the upper box body, and the top end of the air inlet pipe penetrates through the through hole and is located on the outer side of the upper box body.
Preferably, the barrel is kept away from outlet duct one end central point and is put and set up the slide opening, the fixed block top surface corresponds the slide opening position and sets up the back notch, the body of rod tip passes slide opening and back notch and rigid coupling picture peg, the body of rod and slide opening and back notch sliding connection.
Preferably, two second direction travelers of rigid coupling, two between lower box inner wall and the fixed block both sides respectively sliding connection power board on the second direction traveler, two second direction travelers, two are seted up respectively to power board corresponding two second direction travelers positions the second direction traveler slides respectively and cup joints in second direction traveler, the slot is seted up to power board near picture peg one side, the slot top is open structure, the picture peg is pegged graft in the slot.
Preferably, the top surface of the workbench is fixedly connected with a fixed template at a position between the movable template and the lower box body, one side of the fixed template, which is close to the lower box body, corresponds to a plurality of extrusion-blowing component positions and is fixedly connected with a plurality of connecting pipes respectively, the end part of the air outlet pipe is rotatably connected with a threaded connector, the end part of the threaded connector is in threaded connection with the end part of the connecting pipe, one side of the fixed template, which is far away from the lower box body, corresponds to a plurality of connecting pipe positions and is fixedly connected with a plurality of blow molding dies respectively, the blow molding dies are communicated with the connecting pipes, one side of the movable template contacts with the fixed template, the movable template corresponds to a plurality of blow molding die positions and is provided with a plurality of die cavities respectively, the blow molding dies are inserted in the die cavities, and the blow molding dies are in clearance fit with the die cavities.
Preferably, the fixed plate central point puts the fixed scarf joint cylinder, cylinder rigid coupling first ejector pin one end, first ejector pin other end rigid coupling movable mould board lateral wall, the internal lateral wall rigid coupling of nowel is electric jar, electric jar rigid coupling second ejector pin one end, second ejector pin other end rigid coupling power plate keeps away from fixed block one side.
Preferably, two lower lugs are fixedly connected to two sides of the top surface of the lower box body respectively, two upper lugs are fixedly connected to two sides of the bottom surface of the upper box body corresponding to the two lower lugs respectively, a plurality of upper threaded holes are vertically formed in the upper lugs, a plurality of lower threaded holes are formed in the lower lugs corresponding to the plurality of upper threaded holes respectively, and the upper threaded holes and the lower threaded holes are connected with fixing bolts through internal threads.
Compared with the prior art, the invention has the beneficial effects that:
the push rod structure is arranged at the position of the piston, the spring is arranged in the push rod structure, when the piston is pushed to perform extrusion blowing, if the air pressure is large, the piston resistance is large, the contraction degree of the spring is increased, the pushing speed of the piston is reduced, the air extrusion speed is adjusted according to the air pressure, the air pressure of the air extrusion is balanced, and the condition that the wall thickness of the extrusion-blown bottle cover is uneven due to different air pressures is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 3 is an enlarged structural view of a cutting structure of the extrusion blow assembly of the present invention;
FIG. 4 is an enlarged structural view of the push rod structure in the extrusion blow assembly of the present invention;
FIG. 5 is a schematic cross-sectional view of the junction between the lower case and the upper case according to the present invention.
In the figure: 1. a work table; 2. a lower box body; 3. an upper box body; 4. an extrusion-blow assembly; 5. fixing the template; 6. a movable template; 7. a cooling jacket; 8. a power plate; 11. a fixing plate; 12. a cylinder; 13. a first ejector rod; 14. a first guide slide hole; 21. a fixed block; 22. a second guide strut; 23. an arc-shaped bottom groove; 24. dropping the groove; 25. a side notch; 26. a rear notch; 27. a front notch; 28. a lower lug; 29. a lower threaded hole; 210. an electric cylinder; 211. a second ejector rod; 31. pressing a plate; 32. a through hole; 33. an upper lug; 34. an upper threaded hole; 35. fixing the bolt; 41. a barrel; 42. a piston; 43. an air outlet pipe; 44. a connector; 45. a push rod structure; 46. a slide hole; 47. a rod body; 48. inserting plates; 49. an annular clamping plate; 410. a limiting ring; 411. an air inlet pipe; 412. a lateral ear; 451. a telescopic main rod; 452. a telescopic slave rod; 453. a spring; 51. a connecting pipe; 52. a blow molding die head; 61. a mold cavity; 62. a first guide slide bar; 71. a cold liquid pipe; 72. a connecting liquid pipe; 73. a cold liquid chamber; 81. a second guide slide hole; 82. and (4) a slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-5, the present invention provides a technical solution: a fast-cooling extrusion-blowing device of a polypropylene combined cover for a plastic infusion container comprises a workbench 1, wherein the top surface of the workbench 1 is fixedly connected with a lower box body 2, one side in the lower box body 2 is fixedly connected with a fixed block 21, the top surface of the fixed block 21 is provided with a plurality of drop grooves 24, the bottom surfaces of the drop grooves 24 are provided with arc-shaped bottom grooves 23, and extrusion-blowing components 4 are placed in the arc-shaped bottom grooves 23;
the extrusion-blowing component 4 comprises a cylinder 41, one end of the cylinder 41 is fixedly connected with an air outlet pipe 43, the air outlet pipe 43 is communicated with the inside of the cylinder 41, the inside of the cylinder 41 is connected with a piston 42 in a sliding manner, a position, between the piston 42 and the air outlet pipe 43, in the inside of the cylinder 41 is fixedly connected with a limiting ring 410, the central position of one side, away from the air outlet pipe 43, of the piston 42 is fixedly connected with a push rod structure 45, and the other end of the push rod structure 45 is fixedly connected with a rod body 47;
the push rod structure 45 comprises a telescopic main rod 451, one end of the telescopic main rod 451 is fixedly connected with the end part of a rod body 47, the other end of the telescopic main rod 451 is slidably sleeved with a telescopic slave rod 452, the telescopic slave rod 452 is fixedly connected with a piston 42 and is positioned at one end far away from the telescopic main rod 451, and a spring 453 is fixedly connected between one end of the telescopic slave rod 452 in the telescopic main rod 451 and the telescopic main rod 451.
Example 2:
referring to fig. 2 and 5, a fixed plate 11 is fixedly connected to the top surface of the end of the top surface of the workbench 1 away from the lower box 2, two first guiding sliding holes 14 are respectively horizontally formed at two ends of the fixed plate 11, two first guiding sliding rods 62 are respectively slidably sleeved in the two first guiding sliding holes 14, and a movable mold plate 6 is fixedly connected to one end of each of the two first guiding sliding rods 62 close to the lower box 2.
Referring to fig. 1-2, a cooling cover 7 is fixedly connected to the top surface of the workbench 1 at the outer side of the movable mold plate 6, a cold liquid cavity 73 is formed in the cooling cover 7, a cold liquid pipe 71 is fixedly connected to the cold liquid cavity 73, a connecting liquid pipe 72 is fixedly connected to the top surface of the cooling cover 7, the connecting liquid pipe 72 is communicated with the cold liquid pipe 71, when the cooling device is used, a cold liquid supply device is connected to the connecting liquid pipe 72, after blow molding is completed, the movable mold plate 6 is located in the cooling cover 7, a finished product can be rapidly cooled through the cooling cover 7, and then demolding and secondary cooling in water are performed, so that the deformation of the finished product before demolding can be avoided.
Referring to fig. 3, two sides of the cylinder 41 are respectively and horizontally fixedly connected with two side lugs 412, two side notches 25 are respectively formed in two sides of the falling groove 24 corresponding to the two side lugs 412, the side lugs 412 are inserted into the side notches 25 and contact the bottom surfaces of the side notches 25, a front notch 27 is formed in one side of the side wall of the lower box 2 close to the movable template 6, an air outlet pipe 43 is inserted into the front notch 27, an annular clamping plate 49 is fixedly connected to the outer side wall of the air outlet pipe 43, and the annular clamping plate 49 contacts the outer side wall of the lower box 2.
Referring to fig. 2-3, the top surface of the lower case 2 is fixedly connected to the upper case 3 through a fixing bolt 35, the top surface of the inside of the upper case 3 is fixedly connected to a pressing plate 31 at a position corresponding to the side lug 412, the bottom end of the pressing plate 31 contacts the top surface of the side lug 412, an air inlet pipe 411 is vertically and fixedly connected to a position of the outer side wall of the cylinder 41 close to the air outlet pipe 43, a through hole 32 is formed in the first air inlet pipe 411 at the top surface of the upper case 3, and the top end of the air inlet pipe 411 passes through the through hole 32 and is located at the outer side of the upper case 3.
Referring to fig. 3, a central position of one end of the cylinder 41 away from the air outlet pipe 43 is provided with a sliding hole 46, a position of the top surface of the fixed block 21 corresponding to the sliding hole 46 is provided with a rear notch 26, an end portion of the rod 47 penetrates through the sliding hole 46 and the rear notch 26 and is fixedly connected with an inserting plate 48, the rod 47 is slidably connected with the sliding hole 46 and the rear notch 26, and the extrusion-blowing assembly 4 is inserted into the fixed plate 11 through the cooperation of the arc-shaped bottom groove 23 and each groove structure, so that the extrusion-blowing assembly 4 can be taken out only by opening the upper box body 3 when the extrusion-blowing assembly 4 needs to be maintained subsequently, and the maintenance is facilitated.
Referring to fig. 2, two second guiding sliding columns 22 are fixedly connected between the inner side wall of the lower box 2 and two sides of the fixing block 21, the two second guiding sliding columns 22 are slidably connected with the power plate 8, two second guiding sliding holes 81 are respectively formed in positions of the power plate 8 corresponding to the two second guiding sliding columns 22, the two second guiding sliding columns 22 are slidably sleeved in the second guiding sliding holes 81, a slot 82 is formed in one side, close to the inserting plate 48, of the power plate 8, the top end of the slot 82 is of an open structure, the inserting plate 48 is inserted in the slot 82, and the power plate 8 applies force to the rod bodies 47 on the multiple extrusion-blowing assemblies 4 to perform extrusion-blowing operation.
Referring to fig. 2, a fixed mold plate 5 is fixedly connected to a position, located between a movable mold plate 6 and a lower case 2, of the top surface of a workbench 1, the position, located on one side of the fixed mold plate 5 close to the lower case 2, of each of a plurality of extrusion blowing assemblies 4 is fixedly connected to a plurality of connecting pipes 51, the end portion of an air outlet pipe 43 is rotatably connected to a threaded connector 44, the threaded connector 44 is in threaded connection with the end portion of each of the connecting pipes 51, the position, located on one side of the fixed mold plate 5 far away from the lower case 2, of each of the plurality of connecting pipes 51 is fixedly connected to a plurality of blow molding dies 52, each of the blow molding dies 52 is communicated with each of the connecting pipes 51, one side of the movable mold plate 6 contacts the fixed mold plate 5, the position, corresponding to each of the plurality of blow molding dies 52 is provided with a plurality of mold cavities 61, each of the blow molding dies 52 is inserted into each mold cavity 61, and each of the blow molding dies 52 is in clearance fit with each mold cavity 61.
Referring to fig. 1-2, the center of the fixed plate 11 is fixedly engaged with the cylinder 12, the cylinder 12 is fixedly connected to one end of the first rod 13, the other end of the first rod 13 is fixedly connected to the side wall of the movable form 6, the inner side wall of the lower case 2 is fixedly connected to the electric cylinder 210, the electric cylinder 210 is fixedly connected to one end of the second rod 211, and the other end of the second rod 211 is fixedly connected to the side of the power plate 8 away from the fixed block 21.
Referring to fig. 5, two lower lugs 28 are fixedly connected to two sides of the top surface of the lower box 2, two upper lugs 33 are fixedly connected to two sides of the bottom surface of the upper box 3 corresponding to the two lower lugs 28, a plurality of upper threaded holes 34 are vertically formed in the upper lugs 33, a plurality of lower threaded holes 29 are formed in the lower lugs 28 corresponding to the plurality of upper threaded holes 34, and fixing bolts 35 are screwed into the upper threaded holes 34 and the lower threaded holes 29, so that the upper box and the lower box can be detached from each other.
Example 3:
when the invention is used, firstly, compressed air equipment is connected into the air inlet pipes 411 on the extrusion-blow components 4, cold liquid supply equipment is connected into the liquid connecting pipe 72 on the cooling cover 7, when in use, the cylinder 12 is started to close the movable template 6 and the fixed template 5, the movable template 6 is positioned at the inner side of the cooling cover 7, then the electric cylinder 210 is started to push the power plate 8 to move, and further the rod bodies 47 on the extrusion-blow components 4 are pushed to move, so that extrusion-blow can be carried out in the die cavities 61, after the extrusion-blow is finished, the finished product in the die cavity 61 of the movable template 6 is cooled through the cooling cover 7, then the cylinder 12 pulls out the movable template 6 for demoulding, the invention arranges a push rod structure 45 at the piston 42, a spring 453 is arranged in the push rod structure 45, when the piston 42 is pushed to carry out extrusion-blow, if the air pressure is larger, the resistance of the piston 42 is larger, the contraction degree of the spring 453 is increased, the pushing speed of the piston 42 is slowed down, the air extrusion speed is adjusted according to the air pressure, the air pressure of the air extrusion is balanced, the condition that the wall thickness of a blown bottle cover is uneven due to different air pressures is avoided, meanwhile, the cooling cover 7 is arranged, a finished product can be rapidly cooled through the cooling cover 7, then demoulding is carried out, the finished product is thrown into water for secondary cooling, and the condition that the finished product is deformed before demoulding can be avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a quick refrigerated crowded device that blows of polypropylene combined cover for plastic infusion container, includes workstation (1), its characterized in that:
the top surface of the workbench (1) is fixedly connected with a lower box body (2), one side in the lower box body (2) is fixedly connected with a fixed block (21), the top surface of the fixed block (21) is provided with a plurality of drop grooves (24), the bottom surfaces of the drop grooves (24) are provided with arc-shaped bottom grooves (23), and extrusion and blowing components (4) are placed in the arc-shaped bottom grooves (23);
the extrusion-blowing assembly (4) comprises a cylinder body (41), one end of the cylinder body (41) is fixedly connected with an air outlet pipe (43), the air outlet pipe (43) is communicated with the inside of the cylinder body (41), the inside of the cylinder body (41) is connected with a piston (42) in a sliding manner, a position between the piston (42) and the air outlet pipe (43) inside the cylinder body (41) is fixedly connected with a limiting ring (410), a central position of one side, far away from the air outlet pipe (43), of the piston (42) is fixedly connected with a push rod structure (45), and the other end of the push rod structure (45) is fixedly connected with a rod body (47);
the push rod structure (45) includes flexible mobile jib (451), flexible mobile jib (451) one end rigid coupling body of rod (47) tip, flexible mobile jib (451) other end slides and cup joints flexible slave rod (452), flexible mobile jib (451) one end rigid coupling piston (42) are kept away from to flexible slave rod (452), flexible slave rod (452) are located rigid coupling spring (453) between flexible mobile jib (451) one end and the flexible mobile jib (451).
2. The extrusion blow apparatus of polypropylene combined cover for rapid cooling plastic infusion container as claimed in claim 1, wherein: the top surface of the workbench (1) is far away from a fixed plate (11) fixedly connected with one end of the top surface of the lower box body (2) in a perpendicular mode, two first guide sliding holes (14) are horizontally formed in two ends of the fixed plate (11) respectively, two first guide sliding rods (62) are slidably sleeved in the first guide sliding holes (14) respectively, and the first guide sliding rods (62) are close to a movable template (6) fixedly connected with one end of the lower box body (2).
3. The extrusion-blow apparatus for a polypropylene combined cap for a rapid-cooling plastic infusion container as claimed in claim 2, wherein: workstation (1) top surface is located movable mould board (6) outside position rigid coupling cooling cover (7), set up cold sap cavity (73) in cooling cover (7), rigid coupling liquid cooling tube (71) in cold sap cavity (73), liquid pipe (72) is connected to cooling cover (7) top surface rigid coupling, liquid pipe (72) intercommunication liquid cooling tube (71).
4. The extrusion blow apparatus of polypropylene combined cover for rapid cooling plastic infusion container as claimed in claim 1, wherein: barrel (41) both sides are two side ears (412) of horizontal rigid coupling respectively, two side notches (25) are seted up respectively to two corresponding side ear (412) positions in groove (24) both sides that fall, side ear (412) are pegged graft in side notch (25) and are contacted side notch (25) bottom surface, box (2) lateral wall is close to movable mould board (6) one side and sets up preceding notch (27) down, outlet duct (43) are pegged graft in preceding notch (27), outlet duct (43) lateral wall rigid coupling annular cardboard (49), box (2) lateral wall under annular cardboard (49) contact.
5. The extrusion-blow apparatus for a polypropylene combined cap for a rapid-cooling plastic infusion container as claimed in claim 4, wherein: lower box (2) top surface passes through fixing bolt (35) and connects box (3) admittedly, go up box (3) inside top surface and correspond side ear (412) position rigid coupling clamp plate (31), clamp plate (31) bottom contact side ear (412) top surface, barrel (41) lateral wall is close to perpendicular rigid coupling intake pipe (411) of outlet duct (43) one end position, go up box (3) top surface first intake pipe (411) position and set up through-hole (32), intake pipe (411) top is passed through-hole (32) and is located the box (3) outside.
6. The extrusion blow apparatus of polypropylene combined cover for rapid cooling plastic infusion container as claimed in claim 5, wherein: barrel (41) are kept away from outlet duct (43) one end central point and are put and set up slotted hole (46), fixed block (21) top surface corresponds slotted hole (46) position and sets up back notch (26), body of rod (47) tip passes slotted hole (46) and back notch (26) and rigid coupling picture peg (48), body of rod (47) and slotted hole (46) and back notch (26) sliding connection.
7. The extrusion-blow apparatus for a polypropylene combined cap for a rapid-cooling plastic infusion container as claimed in claim 6, wherein: lower box (2) inside wall and fixed block (21) both sides between two second direction travelers (22) of rigid coupling respectively, two sliding connection power board (8) on second direction traveler (22), power board (8) correspond two second direction travelers (22) position and set up two second direction slide opening (81) respectively, two second direction traveller (22) slide respectively and cup joint in second direction slide opening (81), slot (82) are seted up near picture peg (48) one side in power board (8), slot (82) top is open structure, picture peg (48) are pegged graft in slot (82).
8. The extrusion-blow apparatus for a polypropylene combined cap for a rapid-cooling plastic infusion container as claimed in claim 2, wherein: the top surface of the workbench (1) is fixedly connected with a fixed template (5) at a position between a movable template (6) and a lower box body (2), one side of the fixed template (5) close to the lower box body (2) is fixedly connected with a plurality of connecting pipes (51) corresponding to a plurality of extrusion-blowing components (4), the end part of the air outlet pipe (43) is rotatably connected with a threaded connector (44), the threaded connector (44) is in threaded connection with the end part of the connecting pipe (51), one side of the fixed template (5) far away from the lower box body (2) is fixedly connected with a plurality of blow molding dies (52) corresponding to the plurality of connecting pipes (51), the blow molding dies (52) are communicated with the connecting pipes (51), one side of the movable template (6) contacts the fixed template (5), the movable template (6) is provided with a plurality of mold cavities (61) corresponding to the plurality of blow molding dies (52), and the blow molding dies (52) are inserted in the mold cavities (61), the blow molding die head (52) is in clearance fit with the mold cavity (61).
9. The extrusion-blow apparatus for a polypropylene combined cap for a rapid-cooling plastic infusion container as claimed in claim 2, wherein: fixed plate (11) central point puts fixed scarf joint cylinder (12), cylinder (12) first ejector pin of rigid coupling (13) one end, first ejector pin (13) other end rigid coupling movable mould board (6) lateral wall, box (2) inside wall rigid coupling electric jar (210) down, electric jar (210) rigid coupling second ejector pin (211) one end, fixed block (21) one side is kept away from in second ejector pin (211) other end rigid coupling power plate (8).
10. The extrusion blow apparatus of polypropylene combined cover for rapid cooling plastic infusion container as claimed in claim 5, wherein: two lower lugs (28) are fixedly connected to two sides of the top surface of the lower box body (2) respectively, two upper lugs (33) are fixedly connected to two positions of the bottom surface of the upper box body (3) corresponding to the two lower lugs (28) respectively, a plurality of upper threaded holes (34) are vertically formed in the upper lugs (33), a plurality of lower threaded holes (29) are formed in the positions of the lower lugs (28) corresponding to the plurality of upper threaded holes (34) respectively, and the upper threaded holes (34) are connected with fixing bolts (35) in threaded connection with the lower threaded holes (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210184784.2A CN114571705A (en) | 2022-02-28 | 2022-02-28 | Quick-cooling extrusion-blowing device for polypropylene combined cover for plastic infusion container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210184784.2A CN114571705A (en) | 2022-02-28 | 2022-02-28 | Quick-cooling extrusion-blowing device for polypropylene combined cover for plastic infusion container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114571705A true CN114571705A (en) | 2022-06-03 |
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ID=81771586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210184784.2A Withdrawn CN114571705A (en) | 2022-02-28 | 2022-02-28 | Quick-cooling extrusion-blowing device for polypropylene combined cover for plastic infusion container |
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| Country | Link |
|---|---|
| CN (1) | CN114571705A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116061416A (en) * | 2023-04-06 | 2023-05-05 | 河北世纪恒泰富塑业有限公司 | A processing technology for electronic grade chemical hollow container |
| CN117021542A (en) * | 2023-09-28 | 2023-11-10 | 南通顺裕包装材料有限公司 | Injection molding production line for bottle caps of cosmetic packaging bottles |
-
2022
- 2022-02-28 CN CN202210184784.2A patent/CN114571705A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116061416A (en) * | 2023-04-06 | 2023-05-05 | 河北世纪恒泰富塑业有限公司 | A processing technology for electronic grade chemical hollow container |
| CN117021542A (en) * | 2023-09-28 | 2023-11-10 | 南通顺裕包装材料有限公司 | Injection molding production line for bottle caps of cosmetic packaging bottles |
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