CN112975651A - Finish machining method for acid and alkali resistant PE plastic barrel after injection molding - Google Patents
Finish machining method for acid and alkali resistant PE plastic barrel after injection molding Download PDFInfo
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- CN112975651A CN112975651A CN202110422989.5A CN202110422989A CN112975651A CN 112975651 A CN112975651 A CN 112975651A CN 202110422989 A CN202110422989 A CN 202110422989A CN 112975651 A CN112975651 A CN 112975651A
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- Prior art keywords
- trimming
- mounting
- supporting
- plastic barrel
- groove
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- 229920003023 plastic Polymers 0.000 title claims abstract description 131
- 239000004033 plastic Substances 0.000 title claims abstract description 131
- 238000001746 injection moulding Methods 0.000 title claims abstract description 28
- 239000002253 acid Substances 0.000 title claims abstract description 26
- 238000003754 machining Methods 0.000 title claims abstract description 24
- 239000003513 alkali Substances 0.000 title claims abstract description 15
- 238000009966 trimming Methods 0.000 claims abstract description 111
- 238000005498 polishing Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000149 penetrating Effects 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 2
- 239000004698 Polyethylene (PE) Substances 0.000 description 85
- 229920000573 polyethylene Polymers 0.000 description 85
- 238000000034 method Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000071 blow moulding Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 240000004375 Petrea volubilis Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing Effects 0.000 description 1
- 238000001175 rotational moulding Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/20—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
Abstract
The invention relates to a method for finely machining an acid and alkali resistant PE plastic barrel after injection molding, which relates to the technical field of plastic barrel processing and uses equipment for finely machining the acid and alkali resistant PE plastic barrel after injection molding. The invention adopts a mechanical polishing and trimming mode, can simultaneously perform trimming and finish machining on a plurality of PE plastic bungholes, and further effectively improves the automation degree of the trimming and finish machining of the PE plastic bungholes, and is time-saving and labor-saving.
Description
Technical Field
The invention relates to the technical field of plastic barrel processing, in particular to a finish machining method of an acid and alkali resistant PE plastic barrel after injection molding.
Background
The plastic barrel is mainly used for storing and transporting various liquids, has good characteristics for special dangerous goods packaging, has the characteristics of low probability of breakage, no rustiness, light weight and the like, has good oil resistance and strong corrosion resistance, and is mainly used for packaging dangerous goods needing heat preservation, moisture protection, pressure resistance and corrosion resistance. The plastic barrel is made of Polyethylene (PE), polypropylene, polyester and other plastics through blow molding, injection molding, plastic sucking and rotational molding, and is used for containing liquid and solid articles in the industries of chemical industry, pesticide, medicine, food, hardware electronics, electromechanics and the like.
The PE plastic bucket opening for storage is provided with a bucket cover in threaded connection with the PE plastic bucket opening for storage, so that the PE plastic bucket opening plays a role in sealing and isolating. The production process of the PE plastic barrel generally comprises the following steps: preparing raw materials, blow molding, injection molding, demolding and trimming, crushing waste materials, drying, assembling, finally inspecting and warehousing. The demolding and trimming process includes eliminating residual plastic from PE plastic barrel to smooth the surface of the PE plastic barrel, and trimming the peripheral screw thread of the PE plastic barrel. If the thread is not trimmed, the residual redundant plastic can affect the sealing performance of the PE plastic barrel, and the smoothness of the rotating installation of the barrel cover can be affected. The traditional process for trimming the PE plastic bung hole comprises the following operation processes: the worker utilizes tools such as a blade or sand paper to cut or polish the residual rim charge on the threads of the bucket opening so as to achieve the purpose of removing the residual charge.
The above prior art solutions have the following drawbacks: in the traditional operation of removing the redundant plastic of the PE plastic barrel opening, a manual trimming mode is adopted, and a threaded opening needing trimming is usually provided with a plurality of circles, so that a worker needs to repeatedly rotate the plastic barrel to remove the redundant residual materials around the PE plastic barrel, and time and labor are wasted.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the acid and alkali resistant PE plastic barrel injection molding post-finish machining method, which adopts a mechanical polishing and trimming mode, can simultaneously perform trimming and finish machining on a plurality of PE plastic barrel openings, further effectively improves the automation degree of trimming and finish machining of the PE plastic barrel openings, and is time-saving and labor-saving.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an acid and alkali-resistance PE plastic drum injection moulding back finish machining method, it has used an acid and alkali-resistance PE plastic drum injection moulding back finish machining equipment, this acid and alkali-resistance PE plastic drum injection moulding back finish machining equipment is including placing board, standing groove, trigger block, installation pole, fixed establishment, supporting mechanism, deburring mechanism and material returned mechanism, the concrete method when adopting above-mentioned acid and alkali-resistance PE plastic drum injection moulding back finish machining equipment to carry out the deburring to PE plastic bung hole is as follows:
s1: and (3) mounting and fixing: manually placing the PE plastic barrel into the placing groove, moving the mounting rod downwards through the material returning mechanism, extruding and fixing the inner wall of the PE plastic barrel through a supporting mechanism arranged on the mounting rod, and further fixing the bottom of the PE plastic barrel through the triggering block and the fixing mechanism;
s2: trimming and polishing: after the PE plastic barrel is fixed, polishing and trimming the periphery of the opening of the PE plastic barrel through a trimming mechanism, and removing redundant residual plastic on the opening;
s3: returning and taking the barrel: after trimming the PE plastic barrel opening, the mounting rod, the supporting mechanism and the trimming mechanism are returned to the original state through the material returning mechanism; then loosening the fixing mechanism, and manually taking down the processed PE plastic barrel;
the PE plastic barrel positioning device comprises a placing plate, a plurality of installing transverse columns, a material returning mechanism, a plurality of installing rods, a mounting cylinder, a supporting mechanism and a rotating mechanism, wherein the placing plate is arranged on the ground, the placing plate is provided with a plurality of placing grooves for clamping the PE plastic barrel along the length direction of the placing plate, the installing transverse columns are horizontally arranged above the placing plate and used for installation, the material returning mechanism is arranged on the placing plate and used for supporting and adjusting the installing transverse columns, the installing rods are uniformly arranged along the length direction of the installing transverse columns and extend towards the direction of the placing grooves below the installing transverse columns, the mounting rods are provided with a plurality of mounting holes along the vertical direction of the installing rods, the mounting cylinder is sleeved with the mounting cylinder, the mounting cylinder is also provided with the mounting holes, the mounting bolts for limiting are arranged in the mounting cylinder and one mounting hole in the mounting rods in;
the supporting mechanism comprises a supporting ring sleeved on the mounting cylinder, and further comprises a plurality of supporting grooves, a supporting block, a supporting column, a guiding groove and a supporting pressure spring, wherein the supporting grooves are uniformly arranged along the outer wall of the supporting ring, the guiding grooves are symmetrically arranged on one side, close to the mounting rod, of the supporting groove, the supporting block is arranged in the supporting groove in a sliding mode, the supporting column is arranged on one side, close to the guiding groove, of the supporting block, the supporting column is arranged in the guiding groove in a sliding mode, the supporting pressure spring is sleeved on the supporting column, and two ends of the supporting pressure spring are fixedly connected;
the trimming mechanism comprises a trimming barrel, an L-shaped mounting column, a trimming head, a trimming rod, a trimming pressure spring and a trimming disc, wherein the trimming barrel is rotatably arranged on the mounting barrel, the L-shaped mounting column is provided with a plurality of ends along the periphery of the trimming barrel, one end of the L-shaped mounting column is fixedly connected with the trimming barrel, the other end of the L-shaped mounting column extends downwards, the trimming rod penetrates through one end of the L-shaped mounting column extending downwards, one end of the L-shaped mounting column extends towards the PE plastic barrel, the trimming head is arranged at one end, close to the PE plastic barrel, of the trimming rod, the other end of the trimming rod is arranged on the trimming disc, the trimming pressure spring is sleeved on the trimming rod, and the two ends of the trimming pressure spring are respectively abutted against the trimming head and the L.
As a preferred technical scheme of the invention, one side of the supporting block close to the inner wall of the PE plastic barrel opening is provided with a rubber soft body, and the downward sides of the supporting ring, the supporting block and the trimming head are provided with chamfers for the sliding and clamping of the PE plastic barrel.
As a preferred technical solution of the present invention, the rotating mechanism for providing a driving force for the trimming mechanism includes a rotating toothed ring, a rotating frame, a rotating motor and a rotating gear, the rotating toothed ring is sleeved on the trimming barrel and located on the upper side of the L-shaped mounting post, the rotating frame is arranged on the mounting barrel, the rotating motor is arranged on the mounting frame, a transmission shaft of the rotating motor extends downward, and the rotating gear is arranged on the transmission shaft of the rotating motor and engaged with the rotating toothed ring.
According to the preferable technical scheme, the material returning mechanism comprises material returning columns arranged at two ends of the installation transverse column, screw rod motors for moving up and down are arranged on the material returning columns in a penetrating mode and are symmetrically arranged, and screw rod motor bases are fixedly arranged on the placing plate.
As a preferred technical scheme of the invention, the trigger block is arranged at one end of the mounting rod extending downwards, the lower side of the trigger block is abutted against the PE plastic barrel, the trigger block comprises a trigger disc, a trigger groove and a trigger pressure spring, the end of the mounting rod extending downwards is provided with the trigger disc, one side of the trigger disc facing upwards is provided with the trigger groove for the mounting rod to penetrate through and slide, the trigger pressure spring is arranged in the trigger groove, and two ends of the trigger pressure spring are respectively fixedly connected with the mounting rod and the trigger groove.
As a preferred technical solution of the present invention, the fixing mechanism includes an air guide opening, a vacuum chamber, an air guide hole, an air guide groove, a limit ring, a closed pressure spring, and a closing block, the air guide opening is disposed on one side of the placing plate, the vacuum chamber is disposed in the placing plate and is communicated with the air guide opening, the air guide groove is disposed in the placing groove and is communicated with the vacuum chamber through the air guide hole, the limit ring is disposed on one side of the air guide groove close to the placing groove, the closing block is disposed in the limit ring, and an edge portion of the closing block abuts against the limit ring, the closed pressure spring is disposed in the air guide groove, and two ends of the closing block and the air guide groove are respectively and fixedly connected.
As a preferable technical scheme of the invention, one side of the closing block, which is abutted against the limiting ring, is provided with a rubber ring.
In summary, the invention includes at least one of the following beneficial technical effects:
1. according to the acid and alkali resistant PE plastic barrel injection molding post-finish machining method, the supporting mechanism is provided with the supporting compression spring, so that the supporting block generates outward extrusion force, and the generated extrusion force can effectively support and fix the inner wall of the PE plastic barrel; when the edge trimming mechanism is matched and rotated, one side of the edge trimming head, which is abutted against the PE plastic bung hole, is fully polished and finished, so that residual redundant plastic at the PE plastic bung hole can be effectively removed; meanwhile, the installation cross rod is provided with a plurality of modules for trimming the PE plastic barrel, so that the automation degree of trimming and finish machining of the PE plastic barrel opening can be effectively improved, and time and labor are saved;
2. according to the acid and alkali resistant PE plastic barrel injection molding post-finishing method, when the trigger block is pressed down by the mounting rod and is abutted to the bottom of the PE plastic barrel, the closing block is pressed downwards, so that a gap is formed between the closing block and the limiting ring, and the placing groove is communicated with the vacuum cavity, so that the PE plastic barrel is further fixed under the action of negative pressure, and the condition that the trimming mechanism drives the PE plastic barrel to rotate along with the PE plastic barrel in the rotating process can be effectively avoided.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a schematic diagram of the main structure of the present invention.
Fig. 3 is a partial cross-sectional view of the present invention.
Fig. 4 is an enlarged view at a in fig. 3.
Fig. 5 is a schematic diagram of a trigger block structure.
Fig. 6 is a schematic view of the fixing mechanism.
Fig. 7 is a schematic view of the fixing principle of the fixing mechanism.
In the figure, 1, a board is placed; 2. a placement groove; 3. a trigger block; 4. mounting a rod; 5. a fixing mechanism; 6. a support mechanism; 7. a trimming mechanism; 8. a material returning mechanism; 11. mounting a transverse column; 41. mounting holes; 42. mounting the cylinder; 43. installing a bolt; 9. a rotating mechanism; 61. a support ring; 62. a support groove; 63. a support block; 64. a support pillar; 65. a guide groove; 66. supporting a pressure spring; 71. a trimming barrel; 72. an L-shaped mounting post; 73. trimming the edge head; 74. trimming the edge rod; 75. trimming the pressure spring; 76. trimming the edge disc; 631. a soft rubber body; 10. chamfering; 91. rotating the toothed ring; 92. a rotating frame; 93. rotating the motor; 94. a rotating gear; 81. a material returning column; 82. a screw motor; 31. a trigger plate; 32. a trigger slot; 33. triggering a pressure spring; 51. an air guide port; 52. a vacuum chamber; 53. an air vent; 54. a gas guide groove; 55. a limiting ring; 56. closing the pressure spring; 57. a closing block; 571. a rubber ring.
Detailed Description
The present invention is described in further detail below with reference to figures 1-7.
The utility model provides an acid and alkali-resistance PE plastic drum injection moulding back finish machining method, it has used an acid and alkali-resistance PE plastic drum injection moulding back finish machining equipment, this acid and alkali-resistance PE plastic drum injection moulding back finish machining equipment is including placing board 1, standing groove 2, trigger block 3, installation pole 4, fixed establishment 5, supporting mechanism 6, deburring mechanism 7 and material returned mechanism 8, the concrete method when adopting above-mentioned acid and alkali-resistance PE plastic drum injection moulding back finish machining equipment to carry out the deburring to PE plastic bung hole is as follows:
s1: and (3) mounting and fixing: manually placing the PE plastic barrel into the placing groove 2, moving the mounting rod 4 downwards through the material returning mechanism 8, enabling the supporting mechanism 6 arranged on the mounting rod 4 to extrude and fix the inner wall of the PE plastic barrel, and further fixing the bottom of the PE plastic barrel through the triggering block 3 and the fixing mechanism 5;
s2: trimming and polishing: after the PE plastic barrel is fixed, the periphery of the opening of the PE plastic barrel is polished and trimmed through a trimming mechanism 7, and redundant residual plastic on the opening of the PE plastic barrel is removed;
s3: returning and taking the barrel: after finishing trimming the PE plastic barrel opening, the mounting rod 4, the supporting mechanism 6 and the trimming mechanism 7 are returned to the original state through the material returning mechanism 8; then the fixing mechanism 5 is loosened, and the processed PE plastic barrel is manually taken down.
The placing plate 1 is fixed on the ground through bolts, the placing plate 1 is provided with a plurality of placing grooves 2 for clamping the PE plastic barrel along the length direction, the diameter of each placing groove 2 is slightly larger than the diameter of the bottom of the PE plastic barrel, a mounting transverse column 11 for mounting is horizontally arranged above the placing plate 1, the placing plate 1 is provided with a material returning mechanism 8 for supporting and adjusting the mounting transverse column 11, the material returning mechanism 8 can control the vertical movement of the mounting transverse column 11, a plurality of mounting rods 4 are arranged, the mounting rods 4 are uniformly arranged along the length direction of the mounting transverse column 11 and extend towards the direction of the placing groove 2 below the mounting rods, the mounting rods 4 are provided with a plurality of mounting holes 41 along the vertical direction, the mounting rods 4 are sleeved with mounting cylinders 42, the mounting cylinders 42 are also provided with mounting holes 41, the mounting holes 41 are of through hole structures, the mounting cylinders 42 and one mounting hole 41 on the mounting rods 4 are provided with mounting bolts 43 for limiting, therefore, the extension length of the lower end of the mounting rod 4 can be effectively adjusted to adapt to the mounting and trimming work of PE plastic barrels with different heights; the mounting tube 42 is sequentially provided with a rotating mechanism 9, an edge trimming mechanism 7 for trimming the PE plastic barrel and a supporting mechanism 6 for supporting the inner wall of the opening of the PE plastic barrel from top to bottom.
The supporting mechanism 6 comprises a supporting ring 61 sleeved on the mounting cylinder 42, and further comprises a supporting groove 62, a plurality of supporting blocks 63, supporting columns 64, a guiding groove 65 and a supporting pressure spring 66, wherein the supporting groove 62 is uniformly arranged along the outer wall of the supporting ring 61, the guiding groove 65 is symmetrically arranged on one side of the supporting groove 62 close to the mounting rod 4, the supporting blocks 63 are slidably arranged in the supporting groove 62, the supporting columns 64 are arranged on one side of the supporting blocks 63 close to the guiding groove 65, the supporting columns 64 are slidably arranged in the guiding groove 65, the supporting pressure spring 66 is sleeved on the supporting columns 64, and two ends of the supporting columns 63 and the supporting groove 62 are fixedly connected respectively; the downward sides of the support ring 61 and the support block 63 are provided with chamfers 10 for sliding and clamping the PE plastic barrel. During specific work, PE plastics bung hole upwards slides along chamfer 10 of support ring 61 lower extreme, and slide to the chamfer 10 department of supporting shoe 63 lower extreme, and continue upwards to slide, the slip in-process, the supporting shoe 63 that outwards stretches out inwards contracts along supporting groove 62, make and support pressure spring 66 by the compression, the compressed support pressure spring 66 produces even expanding force to the inner wall circumference of PE plastics bung hole, thereby realize preliminary effective fixed to PE plastics, one side that supporting shoe 63 is close to PE plastics bung hole inner wall is equipped with rubber software 631, can prevent to produce the damage to PE plastics bung hole inner wall when the reinforcing friction.
The trimming mechanism 7 comprises a trimming barrel 71, an L-shaped mounting column 72, a trimming head 73, a trimming rod 74, a trimming pressure spring 75 and a trimming disc 76, wherein the trimming barrel 71 is rotatably arranged on the mounting barrel 42, the trimming barrel 71 is connected with the mounting barrel 42 through a bearing, a plurality of L-shaped mounting columns 72 are arranged along the periphery of the trimming barrel 71, one end of each L-shaped mounting column 72 is fixedly welded with the trimming barrel 71, the other end of each L-shaped mounting column 72 vertically extends downwards, the trimming rod 74 penetrates through the downwards-extending end of the L-shaped mounting column 72, one end of each L-shaped mounting column 72 extends towards the PE plastic barrel, the trimming head 73 is arranged at one end, close to the PE plastic barrel, of the trimming rod 74, the trimming disc 76 is arranged at the other end of the trimming rod 74, the trimming pressure spring 75 is sleeved on the trimming rod 74, and the two ends of the trimming head 73 and the; the downward sides of the trimming heads 73 are provided with chamfers 10 for sliding and clamping the PE plastic barrel. During specific work, when the PE plastic barrel is installed, the opening of the PE plastic barrel slides upwards along the chamfer 10 at the lower end of the trimming head 73 for installation; during trimming, the trimming head 73 rotates along the periphery of the PE plastic barrel opening under a rotating mechanism, and the trimming pressure spring 75 generates certain pressure on the trimming head, so that the trimming head 73 always abuts against the PE plastic barrel to remove residual plastic on the surface of the barrel opening.
The rotating mechanism 9 is used for providing driving force for the trimming mechanism 7, and comprises a rotating toothed ring 91, a rotating frame 92, a rotating motor 93 and a rotating gear 94, wherein the rotating toothed ring 91 is sleeved on the trimming barrel 71 and is positioned at the upper side of the L-shaped mounting column 72, the rotating frame 92 is arranged on the mounting barrel 42, the rotating motor 93 is arranged on the mounting frame, a transmission shaft of the rotating motor 93 extends downwards, and the rotating gear 94 is arranged on the transmission shaft of the rotating motor 93 and is meshed with the rotating toothed ring 91. In operation, when the rotary motor 93 rotates, the rotary gear 94 transmits power to the trimming barrel 71 through the transmission gear ring, so as to drive the trimming head 73 on the trimming barrel 71 to trim along the periphery of the PE plastic barrel opening.
The material returning mechanism 8 comprises material returning columns 81 arranged at two ends of the installation transverse column 11, screw rod motors 82 for the material returning columns to move up and down are arranged on the material returning columns 81 in a penetrating mode, the screw rod motors 82 are symmetrically arranged, and bases of the screw rod motors 82 are fixedly arranged on the placing plate 1. During specific work, the purpose that the material returning column 81 moves up and down is achieved through synchronous rotation of the screw rod motor 82.
The fixing mechanism 5 comprises an air guide opening 51, a vacuum cavity 52, an air guide hole 53, an air guide groove 54, a limiting ring 55, a closed pressure spring 56 and a closing block 57, wherein the air guide opening 51 is arranged on one side of the placing plate 1, the vacuum cavity 52 is arranged in the placing plate 1 and communicated with the air guide opening 51, the air guide groove 54 is arranged in the placing groove 2 and communicated with the vacuum cavity 52 through the air guide hole 53, the limiting ring 55 is arranged on one side of the air guide groove 54 close to the placing groove 2, the closing block 57 is arranged in the limiting ring 55, the closing block 57 is shaped like a hemispherical structure, the periphery of the closing block 57 is integrally provided with an annular block, the annular block is abutted against the limiting ring 55, the closed pressure spring 56 is arranged in the air guide groove 54, and two ends of the closed pressure spring are fixedly connected.
When the PE plastic barrel is fixed, the trigger block 3 moves downwards along with the installed rod and pushes the closing block 57 downwards (as shown in fig. 7), a certain gap is formed between the limiting ring 55 and the closing block 57 at the moment, so that the bottom of the PE plastic barrel is communicated with the vacuum cavity 52 below the PE plastic barrel, and the PE plastic barrel is subjected to vacuum adsorption under the action of negative pressure, so that the PE plastic barrel is further fixed effectively.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides an acid and alkali-resistance PE plastic drum injection moulding back finish machining method, it has used an acid and alkali-resistance PE plastic drum injection moulding back finish machining equipment, and this acid and alkali-resistance PE plastic drum injection moulding back finish machining equipment is including placing board (1), standing groove (2), trigger block (3), installation pole (4), fixed establishment (5), supporting mechanism (6), deburring mechanism (7) and material returned mechanism (8), its characterized in that: the specific method for trimming the PE plastic barrel opening by adopting the acid and alkali resistant PE plastic barrel injection molding post-finish machining equipment is as follows:
s1: and (3) mounting and fixing: manually placing the PE plastic barrel into the placing groove (2), moving the mounting rod (4) downwards through the material returning mechanism (8), enabling the supporting mechanism (6) arranged on the mounting rod (4) to extrude and fix the inner wall of the PE plastic barrel, and further fixing the bottom of the PE plastic barrel through the triggering block (3) and the fixing mechanism (5);
s2: trimming and polishing: after the PE plastic barrel is fixed, the periphery of the opening of the PE plastic barrel is polished and trimmed through a trimming mechanism (7), and redundant residual plastic on the opening of the barrel is removed;
s3: returning and taking the barrel: after trimming the PE plastic barrel opening, the mounting rod (4), the supporting mechanism (6) and the trimming mechanism (7) are returned to the original state through the material returning mechanism (8); then the fixing mechanism (5) is loosened, and the processed PE plastic barrel is manually taken down;
the PE plastic barrel placing device is characterized in that the placing plate (1) is arranged on the ground, a plurality of placing grooves (2) for clamping the PE plastic barrel are formed in the placing plate (1) along the length direction of the placing plate, mounting cross columns (11) for mounting are horizontally arranged above the placing plate (1), material returning mechanisms (8) for supporting and adjusting the mounting cross columns (11) are arranged on the placing plate (1), a plurality of mounting rods (4) are uniformly arranged along the length direction of the mounting cross columns (11) and extend towards the direction of the placing groove (2) below the mounting rods, a plurality of mounting holes (41) are formed in the mounting rods (4) along the vertical direction of the mounting rods, mounting cylinders (42) are sleeved on the mounting rods (4), mounting holes (41) are also formed in the mounting cylinders (42), and mounting bolts (43) for limiting are arranged in the mounting cylinders (42) and one mounting hole (41) in the mounting rods (4) in a penetrating manner, the mounting cylinder (42) is sequentially provided with a rotating mechanism (9), a trimming mechanism (7) for trimming the PE plastic barrel and a supporting mechanism (6) for supporting the inner wall of the opening of the PE plastic barrel from top to bottom;
the supporting mechanism (6) comprises a supporting ring (61) sleeved on the mounting cylinder (42), and further comprises a supporting groove (62), a supporting block (63), a supporting column (64), a guide groove (65) and a supporting pressure spring (66), wherein the supporting groove (62) is uniformly provided with a plurality of supporting grooves (62) along the outer wall of the supporting ring (61), the guide grooves (65) are symmetrically arranged on one side, close to the mounting rod (4), of the supporting groove (62), the supporting block (63) is arranged in the supporting groove (62) in a sliding manner, the supporting column (64) is arranged on one side, close to the guide groove (65), of the supporting block (63), the supporting column (64) is arranged in the guide groove (65) in a sliding manner, the supporting pressure spring (66) is sleeved on the supporting column (64), and two ends of the supporting pressure spring are respectively fixedly connected with the supporting block;
the trimming mechanism (7) comprises a trimming barrel (71), an L-shaped mounting column (72), a trimming head (73), a trimming rod (74), a trimming pressure spring (75) and a trimming disk (76), the trimming cylinder (71) is rotatably arranged on the mounting cylinder (42), a plurality of L-shaped mounting columns (72) are arranged along the periphery of the trimming cylinder (71), one end of the L-shaped mounting column (72) is fixedly connected with the trimming barrel (71), the other end extends vertically downwards, the trimming rod (74) is arranged at one end of the L-shaped mounting column (72) extending downwards in a penetrating way, one end of the L-shaped mounting column (72) extends towards the PE plastic barrel, the trimming head (73) is arranged at one end of the trimming rod (74) close to the PE plastic barrel, the trimming disk (76) is arranged at the other end of the trimming rod (74), the trimming pressure spring (75) is sleeved on the trimming rod (74), and both ends of the L-shaped mounting column are respectively abutted against the trimming head (73) and the L-shaped mounting column (72).
2. The acid and alkali resistant PE plastic barrel injection molding post-finishing method of claim 1, which is characterized in that: one side that supporting shoe (63) are close to PE plastics bung hole inner wall is equipped with rubber software (631), support ring (61), supporting shoe (63) and trimming head (73) down one side all establish and supply PE plastics bucket to slide chamfer (10) that the card was established.
3. The acid and alkali resistant PE plastic barrel injection molding post-finishing method of claim 1, which is characterized in that: slewing mechanism (9) supply deburring mechanism (7) to provide drive power, and it includes rotating ring gear (91), rotating turret (92), rotation motor (93) and rolling gear (94), it locates on deburring section of thick bamboo (71) to rotate ring gear (91) cover, and is located the upside of L shape erection column (72), on installation section of thick bamboo (42) was located in rotating turret (92), rotation motor (93) were located on the mounting bracket, and its transmission shaft extends down, rolling gear (94) are located on the transmission shaft of rotation motor (93), and mesh mutually with rotation ring gear (91).
4. The acid and alkali resistant PE plastic barrel injection molding post-finishing method of claim 1, which is characterized in that: material returned mechanism (8) are including locating material returned post (81) at installation spreader (11) both ends, wear to be equipped with on material returned post (81) and supply its lead screw motor (82) that reciprocate, and lead screw motor (82) are the symmetry setting, lead screw motor (82) base is fixed to be located and places on board (1).
5. The acid and alkali resistant PE plastic barrel injection molding post-finishing method of claim 1, which is characterized in that: trigger block (3) are located installation pole (4) downwardly extending's one end, and its downside is inconsistent with PE plastic drum, trigger block (3) are including triggering dish (31), trigger groove (32) and trigger pressure spring (33), installation pole (4) are equipped with to trigger dish (31) towards downwardly extending's one end, trigger dish (31) one side up is equipped with and supplies installation pole (4) to wear to establish the trigger groove (32) that slide, trigger pressure spring (33) are located in trigger groove (32), and both ends respectively with installation pole (4) and trigger groove (32) fixed connection.
6. The acid and alkali resistant PE plastic barrel injection molding post-finishing method of claim 1, which is characterized in that: the fixing mechanism (5) comprises an air guide port (51), a vacuum cavity (52), an air guide hole (53), an air guide groove (54), a limiting ring (55), a closed pressure spring (56) and a closed block (57), the air guide opening (51) is arranged at one side of the placing plate (1), the vacuum cavity (52) is arranged in the placing plate (1), and is communicated with the air guide opening (51), the air guide groove (54) is arranged in the placing groove (2), and is communicated with the vacuum cavity (52) through an air guide hole (53), the limit ring (55) is arranged at one side of the air guide groove (54) close to the placing groove (2), the closing block (57) is arranged in the limit ring (55), the edge part of the air guide groove is abutted against a limit ring (55), the closed pressure spring (56) is arranged in the air guide groove (54), and both ends of the air guide plate are respectively fixedly connected with the closing block (57) and the air guide groove (54).
7. The acid and alkali resistant PE plastic barrel injection molding post-finishing method of claim 6, which is characterized in that: and a rubber ring (571) is arranged on one side of the closing block (57) which is abutted against the limiting ring (55).
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| CN202110422989.5A CN112975651A (en) | 2021-04-17 | 2021-04-17 | Finish machining method for acid and alkali resistant PE plastic barrel after injection molding |
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| CN202110422989.5A CN112975651A (en) | 2021-04-17 | 2021-04-17 | Finish machining method for acid and alkali resistant PE plastic barrel after injection molding |
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