CN116985337A - PVC pipe injection molding equipment and process - Google Patents
PVC pipe injection molding equipment and process Download PDFInfo
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- CN116985337A CN116985337A CN202310960621.3A CN202310960621A CN116985337A CN 116985337 A CN116985337 A CN 116985337A CN 202310960621 A CN202310960621 A CN 202310960621A CN 116985337 A CN116985337 A CN 116985337A
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- injection molding
- frame
- forming
- pvc
- barrel
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 71
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 48
- 238000010438 heat treatment Methods 0.000 claims description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
-
- 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
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The application relates to the technical field of PVC pipe injection molding, and provides PVC pipe injection molding equipment and a process, wherein the PVC pipe injection molding equipment comprises a bottom frame, an injection molding barrel is fixedly connected to the bottom frame, and the PVC pipe injection molding equipment further comprises: feeding bucket, mechanism of moulding plastics, forming mechanism and adjustment mechanism, the feed inlet has been seted up on the bucket of moulding plastics, feeding bucket fixed connection is in feed inlet department, the mechanism of moulding plastics includes the oar of moulding plastics, the oar of moulding plastics rotates to be connected in the bucket of moulding plastics, the logical groove has been seted up on the bucket of moulding plastics, the heater strip is installed to logical inslot, forming mechanism includes the shaping frame, shaping frame fixed connection is on the bucket of moulding plastics, adjustment mechanism installs on the shaping frame, adjustment mechanism includes the rotation gear, rotation gear rotates to be connected on the shaping frame, through above-mentioned technical scheme, when the PVC pipe of having solved among the correlation technique when needs to different specifications moulds plastics, then need frequently change injection mold, when the mold is changed, need tear down one by one the bolt that fixed mold was used, comparatively waste time and energy problem.
Description
Technical Field
The application relates to the technical field of PVC pipe injection molding, in particular to PVC pipe injection molding equipment and process.
Background
PVC pipe is an important kind of chemical building materials, along with the continuous acceleration of urban and residential industrialization process, PVC pipe has also obtained the great progress in building material trade to wide application in application ranges such as water supply and drainage, communication, electric power, gas, municipal works, the vigorous demand of market on PVC tubular product has also been guaranteed to the increase of infrastructure investment dynamics, and the production technology of moulding plastics of PVC pipeline has developed ripely at present, has all reached international production standard to a series of production skills of tubular product.
In the production and processing process of PVC pipes, the outer layer of the PVC pipe is required to be subjected to injection molding, injection molding equipment is required to be used for injection molding of the PVC pipe, the existing injection molding equipment is required to be provided with an injection molding die on the injection molding equipment when the PVC pipe is subjected to injection molding, the injection molding die is fixed in size, the injection molding die is required to be frequently replaced when the PVC pipes with different specifications are required to be subjected to injection molding, bolts for fixing the dies are required to be detached one by one when the dies are replaced, and time and labor are wasted, so that the injection molding equipment and the process of the PVC pipe are provided.
Disclosure of Invention
The application provides PVC pipe injection molding equipment and a process, which solve the problems that in the prior art, when PVC pipes with different specifications are required to be injected, injection molds are required to be frequently replaced, and bolts for fixing the molds are required to be detached one by one during mold replacement, so that time and labor are wasted.
The technical scheme of the application is as follows: the utility model provides a PVC tubular product injection molding equipment, includes the chassis, fixedly connected with barrel of moulding plastics on the chassis still includes: the device comprises a feeding barrel, an injection molding mechanism, a forming mechanism and an adjusting mechanism;
the injection molding barrel is provided with a feed inlet, and the feed barrel is fixedly connected to the feed inlet;
the injection molding mechanism is arranged on the underframe and comprises an injection molding paddle which is rotationally connected in an injection molding barrel, a through groove is formed in the injection molding barrel, and a heating wire is arranged in the through groove and used for carrying out extrusion injection molding operation on PVC materials;
the molding mechanism is arranged on the injection molding barrel and comprises a molding frame which is fixedly connected to the injection molding barrel and is used for molding the injection molding PVC material;
the adjusting mechanism is arranged on the forming frame and comprises a rotating gear which is rotationally connected to the forming frame and used for adjusting the formed size of the PVC pipe.
Preferably, the forming mechanism further comprises: the device comprises a forming block, a communicating frame, a forming shaft, a refrigerating pipe and a forming sleeve;
the forming blocks are arranged in a plurality, each forming block is rotationally connected in the forming frame, the contact position between every two adjacent forming blocks is arc-shaped, and the forming blocks are circular;
the communication frame is fixedly connected between the injection molding barrel and the molding frame;
the forming shaft is fixedly connected in the communication frame, and a groove is formed in the forming shaft;
the refrigerating pipe is fixedly connected in the groove;
the chassis is provided with a sliding hole, the forming sleeve is arranged in the sliding hole, and the forming sleeve is provided with a through hole with the same diameter as the forming shaft.
Further, the adjustment mechanism further includes: the connecting rod, the first motor and the driving gear;
the connecting rods are arranged in a plurality, each forming block is rotationally connected with one connecting rod, and each connecting rod is rotationally connected to the rotating gear;
the first motor is arranged on the forming frame;
the driving gear is fixedly connected to the output end of the first motor, and is meshed with the rotating gear.
Still further, the injection molding mechanism further includes: the second motor is arranged on the injection molding barrel, and the output end of the second motor penetrates through the injection molding barrel and is fixedly connected with the injection molding paddle.
On the basis of the scheme, the injection molding barrel is of a two-half design, and the underframe is provided with a separating mechanism, wherein the separating mechanism comprises: the device comprises a sliding block, a fixing frame, a supporting frame and a third motor;
the sliding block is fixedly connected to the injection molding barrel;
the fixing frame is fixedly connected to the underframe, and the sliding block is connected to the fixing frame in a sliding manner;
the support frame is fixedly connected to the underframe, the support frame is rotationally connected with a bidirectional screw rod, the injection molding barrel is fixedly connected with a moving block, the moving block is provided with a screw hole, and the bidirectional screw rod is in threaded connection with the screw hole;
the third motor is installed on the support frame, and the output end of the third motor penetrates through the support frame and is fixedly connected with the bidirectional screw rod.
On the basis of the scheme, a discharging mechanism for discharging hot air is arranged on the injection molding barrel, and the discharging mechanism comprises: the device comprises a discharge box, a fan, a baffle and a first electric cylinder;
the discharge box is fixedly connected to the injection molding barrel and is communicated with the through groove;
the fan is arranged on the discharge box;
the discharge box is provided with a chute, and the baffle is connected in the chute in a sliding way;
the first electric cylinder is arranged on the discharge box through the mounting frame, and the output end of the first electric cylinder penetrates through the mounting frame and is fixedly connected with the baffle plate;
on the basis of the foregoing, preferably, the feeding barrel is provided with a crushing mechanism for crushing PVC material, the crushing mechanism comprising: the crushing device comprises a filter plate, a fourth motor, a crushing shaft, a crushing knife and a shovel plate;
the filter plate is fixedly connected to the feeding barrel;
the fourth motor is arranged on the filter plate;
the crushing shaft is rotationally connected to the filter plate, and the output end of the fourth motor penetrates through the filter plate and is fixedly connected with the crushing shaft;
the crushing cutter is fixedly connected to the crushing shaft;
the shovel plate is fixedly connected to the crushing shaft.
The PVC pipe injection molding equipment and the process comprise the PVC pipe injection molding equipment and further comprise the following steps:
s1, when PVC materials are required to be injection molded, when the PVC materials are fed, firstly pouring the PVC materials into a feed bin, driving a crushing shaft to rotate through a fourth motor arranged on a filter plate, driving a shovel plate on the crushing shaft to rotate, scooping up the PVC materials on the filter plate when the shovel plate rotates, and driving a crushing knife fixedly connected with the crushing shaft to rotate, crushing the PVC materials, wherein the PVC materials are crushed and qualified, namely, the filter plate falls into an injection molding barrel to be injection molded, then after the PVC falls into the injection molding barrel, heating the PVC materials through a heating wire arranged in a through groove, driving a baffle plate to block a discharge box through a first electric cylinder arranged on a mounting frame when the heating wire in the through groove is heated, so that heat cannot be lost, driving the baffle plate to rise through the first electric cylinder arranged on the mounting frame after the heating, rapidly guiding out the heat in the through groove through a fan arranged on a heat dissipation box, rapidly dissipating the heat in the through groove, melting the PVC materials, driving a second motor arranged on the injection molding barrel to drive the paddle to rotate, and then extruding the PVC materials into a cold molding pipe through the extrusion molding barrel, and then forming the PVC pipe through the cold molding pipe;
s2, when the molding angle of the PVC pipe is required to be adjusted, a first motor arranged on the molding frame drives a driving gear to be meshed with a rotating gear and rotate, and then drives a connecting rod rotationally connected on the rotating gear to expand outwards, so that a molding block rotationally connected on the molding frame is driven to expand outwards, after the molding blocks expand outwards, the contact positions among the molding blocks are arc-shaped, so that a large circle is formed in the middle, a molding sleeve arranged on the underframe is taken out, and then the molding sleeve is sleeved on a molding shaft, and the size of the PVC pipe is rapidly adjusted;
s3, when the cleaning is needed after the use, the third motor arranged on the support frame drives the bidirectional screw rod to rotate, and then the injection molding barrels in two halves are driven to perform relative movement, so that the injection molding barrels are opened, and an operator can conveniently clean the injection molding barrels.
The working principle and the beneficial effects of the application are as follows:
1. according to the application, when the PVC material is subjected to injection molding, the PVC material is heated by the heating wire fixedly connected in the through groove, and the injection molding paddle is driven to rotate by the second motor arranged on the injection molding barrel, so that the PVC material in the injection molding barrel is subjected to injection molding;
2. according to the application, when the molding size of the PVC pipe is required to be adjusted, the first motor arranged on the molding frame drives the driving gear to be meshed with the rotating gear and rotate, so that the connecting rod is driven to move and pull the molding block to expand outwards, the molding sleeve is sleeved on the molding shaft, and the molding size of the PVC pipe is changed;
3. according to the application, the bidirectional screw is driven to rotate by the third motor arranged on the support frame, so that the two half injection molding barrels are driven to be separated, and an operator can conveniently clean the injection molding barrels;
4. according to the application, the crushing shaft and the crushing knife are driven to rotate by the fourth motor arranged on the filter plate, so that PVC materials in the feed bin are crushed;
compared with the prior art, the equipment is convenient for carry out quick adjustment to the fashioned mould according to the shaping size of PVC tubular product, has reduced the frequency of changing the mould, comparatively labour saving and time saving has improved injection molding efficiency.
Drawings
The application will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a schematic view of another angle structure of the present application;
FIG. 3 is a schematic view of the injection molding mechanism, the discharge mechanism and the discharge mechanism of the present application;
FIG. 4 is a schematic diagram of the cooperation of the molding block, the connecting rod, the first motor and the driving gear in the present application;
FIG. 5 is a schematic view of an adjusting mechanism according to the present application;
FIG. 6 is a schematic view showing the structure of the unfolded state of the molding block according to the present application;
fig. 7 is a schematic cross-sectional view of the crushing mechanism of the present application.
Reference numerals in the drawings represent respectively: 1. a chassis; 2. injection molding of a barrel; 3. a feed barrel; 4. injection molding the paddle; 5. a heating wire; 6. a forming frame; 7. rotating the gear; 8. molding blocks; 9. a communication frame; 10. forming a shaft; 11. a refrigeration tube; 12. forming a sleeve; 13. a connecting rod; 14. a first motor; 15. a drive gear; 16. a second motor; 17. a slide block; 18. a fixing frame; 19. a support frame; 20. a bidirectional screw; 21. a moving block; 22. a third motor; 23. a discharge tank; 24. a blower; 25. a baffle; 26. a first electric cylinder; 27. a filter plate; 28. a fourth motor; 29. a crushing shaft; 30. a crushing knife; 31. and a shovel plate.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 to 7, this embodiment provides a PVC pipe injection molding apparatus, including a chassis 1, fixedly connected with injection molding barrel 2 on chassis 1, still include: the injection molding machine comprises a feeding barrel 3, an injection molding mechanism, a molding mechanism and an adjusting mechanism, wherein a feeding hole is formed in the injection molding barrel 2, and the feeding barrel 3 is fixedly connected to the feeding hole;
the mechanism of moulding plastics is installed on chassis 1, the mechanism of moulding plastics includes the oar 4 of moulding plastics, the oar 4 of moulding plastics rotates to be connected in moulding plastics bucket 2, has seted up logical groove on the bucket 2 of moulding plastics, lead to inslot and install heater strip 5 for extrude the operation of moulding plastics to the PVC material, the mechanism of moulding plastics still includes: the second motor 16 is arranged on the injection molding barrel 2, and the output end of the second motor 16 penetrates through the injection molding barrel 2 and is fixedly connected with the injection molding paddle 4;
wherein, after PVC falls into barrel 2 of moulding plastics, heat PVC material through the heater strip 5 of logical inslot installation to make PVC material melt, and drive through the second motor 16 of installing on barrel 2 of moulding plastics and mould plastics oar 4 and rotate, thereby extrude PVC material after melting.
The forming mechanism is installed on the injection molding barrel 2, the forming mechanism includes a forming frame 6, 6 fixed connection of forming frame is on the injection molding barrel 2 for the PVC material to moulding plastics, the forming mechanism still includes: the forming block 8 is arranged in a plurality, each forming block 8 is rotationally connected in the forming frame 6, the contact position between every two adjacent forming blocks 8 is arranged in an arc shape, the plurality of forming blocks 8 are arranged in a round shape, the communicating frame 9 is fixedly connected between the injection molding barrel 2 and the forming frame 6, the forming shaft 10 is fixedly connected in the communicating frame 9, a groove is formed in the forming shaft 10, the refrigerating pipe 11 is fixedly connected in the groove, a sliding hole is formed in the bottom frame 1, the forming sleeve 12 is arranged in the sliding hole, and a through hole with the same diameter as the forming shaft 10 is formed in the forming sleeve 12;
further, adjustment mechanism installs on shaping frame 6, adjustment mechanism includes rotation gear 7, rotation gear 7 rotates to be connected on shaping frame 6 for adjust PVC tubular product fashioned size, adjustment mechanism still includes: the connecting rods 13 are arranged in a plurality, each forming block 8 is rotatably connected with one connecting rod 13, each connecting rod 13 is rotatably connected to the rotating gear 7, the first motor 14 is arranged on the forming frame 6, the driving gear 15 is fixedly connected to the output end of the first motor 14, and the driving gear 15 is meshed with the rotating gear 7;
when the size of the PVC pipe needs to be adjusted, the first motor 14 installed on the forming frame 6 drives the driving gear 15 to be meshed with the rotating gear 7 and rotate, and then drives the connecting rod 13 connected with the rotating gear 7 to expand outwards, so that the forming blocks 8 connected with the forming frame 6 in a rotating way are driven to expand outwards, after the forming blocks 8 expand outwards, the contact positions among the forming blocks 8 are arc-shaped, so that a large circle is formed in the middle, the forming sleeve 12 arranged on the underframe 1 is taken out and then sleeved on the forming shaft 10, and the size of the PVC pipe is adjusted rapidly.
The injection molding barrel 2 is of a two-half design, and a separating mechanism is arranged on the underframe 1 and comprises: the injection molding machine comprises a sliding block 17, a fixed frame 18, a supporting frame 19 and a third motor 22, wherein the sliding block 17 is fixedly connected to an injection molding barrel 2, the fixed frame 18 is fixedly connected to a bottom frame 1, the sliding block 17 is slidably connected to the fixed frame 18, the supporting frame 19 is fixedly connected to the bottom frame 1, a bidirectional screw rod 20 is rotatably connected to the supporting frame 19, a moving block 21 is fixedly connected to the injection molding barrel 2, a screw hole is formed in the moving block 21, the bidirectional screw rod 20 is in threaded connection with the screw hole, the third motor 22 is mounted on the supporting frame 19, and the output end of the third motor 22 penetrates through the supporting frame 19 and is fixedly connected with the bidirectional screw rod 20;
when the equipment is used and needs to be cleaned, the third motor 22 arranged on the supporting frame 19 drives the bidirectional screw rod 20 to rotate, and then drives the injection molding barrels 2 in two halves to perform relative movement, so that the injection molding barrels 2 are opened, and an operator can clean the injection molding barrels 2 conveniently.
The injection molding barrel 2 is provided with a discharge mechanism for discharging hot air, and the discharge mechanism comprises: the device comprises a discharge box 23, a fan 24, a baffle 25 and a first electric cylinder 26, wherein the discharge box 23 is fixedly connected to the injection molding barrel 2, the discharge box 23 is communicated with a through groove, the fan 24 is installed on the discharge box 23, a chute is formed in the discharge box 23, the baffle 25 is slidably connected in the chute, the first electric cylinder 26 is installed on the discharge box 23 through an installation frame, and the output end of the first electric cylinder 26 penetrates through the installation frame and is fixedly connected with the baffle 25;
when the heating wire 5 in the through groove is heated, the baffle 25 is driven by the first electric cylinder 26 arranged on the mounting frame to block the discharge box 23, so that heat cannot be lost, after the heating is finished, the baffle 25 is driven by the first electric cylinder 26 arranged on the mounting frame to rise, and heat in the through groove is rapidly conducted out by the fan 24 arranged on the heat dissipation box, so that the injection molding barrel 2 is rapidly dissipated.
Install the crushing mechanism that is used for the broken PVC material on the feedwell 3, crushing mechanism includes: the crushing machine comprises a filter plate 27, a fourth motor 28, a crushing shaft 29, a crushing cutter 30 and a shovel plate 31, wherein the filter plate 27 is fixedly connected to a feed bin 3, the fourth motor 28 is arranged on the filter plate 27, the crushing shaft 29 is rotatably connected to the filter plate 27, the output end of the fourth motor 28 penetrates through the filter plate 27 and is fixedly connected with the crushing shaft 29, the crushing cutter 30 is fixedly connected to the crushing shaft 29, and the shovel plate 31 is fixedly connected to the crushing shaft 29;
when the PVC material is fed, the PVC material is poured into the feed bin 3, the crushing shaft 29 is driven to rotate by the fourth motor 28 arranged on the filter plate 27, the shovel plate 31 on the crushing shaft 29 is driven to rotate, the PVC material on the filter plate 27 is shoveled up when the shovel plate 31 rotates, the PVC material is further crushed by the crushing knife 30 fixedly connected with the crushing shaft 29, and the qualified PVC material can fall into the injection molding barrel 2 through the filter plate 27 for injection molding.
When the PVC material is required to be injected, the PVC material is firstly poured into the feed bin 3 and driven to rotate by a fourth motor 28 arranged on a filter plate 27, so that a shovel plate 31 on the crushing shaft 29 is driven to rotate, when the shovel plate 31 rotates, the PVC material on the filter plate 27 is shoveled up and is rotated by a crushing knife 30 fixedly connected with the crushing shaft 29, the PVC material is crushed, the qualified PVC material can be dropped into the injection molding barrel 2 through the filter plate 27 for injection molding, then after the PVC material falls into the injection molding barrel 2, the PVC material is heated by a heating wire 5 arranged in a through groove, a baffle plate 25 is driven by a first electric cylinder 26 arranged on a mounting frame to block a discharge box 23 when the heating wire 5 in the through groove is heated, so that heat is not lost, after the heating is finished, the baffle plate 25 is driven to rise by the first electric cylinder 26 arranged on the mounting frame, heat in the through groove is rapidly led out by a fan 24 arranged on the cooling box, the PVC material is rapidly cooled, the PVC material is rapidly extruded from the injection molding barrel 2, and the PVC material is extruded into a pipe 11 through a cooling shaft 16 when the cooling wire 5 arranged in the through groove, and the cooling barrel 11 is cooled;
further, when the molding angle of the PVC pipe needs to be adjusted, the first motor 14 arranged on the molding frame 6 drives the driving gear 15 to be meshed with the rotating gear 7 and rotate, and then drives the connecting rod 13 rotationally connected on the rotating gear 7 to expand outwards, so that the molding blocks 8 rotationally connected on the molding frame 6 are driven to expand outwards, and after the molding blocks 8 expand outwards, the contact positions among the molding blocks 8 are arc-shaped, so that a large circle is formed in the middle, and then the molding sleeve 12 arranged on the bottom frame 1 is taken out and sleeved on the molding shaft 10, so that the size of the PVC pipe can be rapidly adjusted;
further, when the equipment is used and needs to be cleaned, the third motor 22 arranged on the support frame 19 drives the bidirectional screw rod 20 to rotate, and then drives the injection molding barrels 2 in two halves to perform relative movement, so that the injection molding barrels 2 are opened, and further, the cleaning of operators in the injection molding barrels 2 is facilitated.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the application.
Claims (7)
1. PVC tubular product injection molding equipment, its characterized in that includes chassis (1), fixedly connected with barrel (2) of moulding plastics on chassis (1), still include:
the injection molding barrel (2) is provided with a feed inlet, and the feed barrel (3) is fixedly connected to the feed inlet;
the injection molding mechanism is arranged on the underframe (1) and comprises an injection molding paddle (4), the injection molding paddle (4) is rotationally connected in the injection molding barrel (2), a through groove is formed in the injection molding barrel (2), and a heating wire (5) is arranged in the through groove and used for extruding and injection molding PVC materials;
the molding mechanism is arranged on the injection molding barrel (2) and comprises a molding frame (6), and the molding frame (6) is fixedly connected to the injection molding barrel (2) and is used for molding an injection molding PVC material;
the adjusting mechanism is arranged on the forming frame (6) and comprises a rotating gear (7), and the rotating gear (7) is rotationally connected to the forming frame (6) and used for adjusting the formed size of the PVC pipe.
2. The PVC pipe injection molding apparatus of claim 1, wherein the molding mechanism further comprises:
the forming blocks (8), wherein the forming blocks (8) are arranged in a plurality, each forming block (8) is rotationally connected in the forming frame (6), the contact position between every two adjacent forming blocks (8) is arc-shaped, and the forming blocks (8) are circular;
the communication frame (9), the said communication frame (9) is fixedly connected between said injection molding barrel (2) and said shaping frame (6);
the forming shaft (10), the forming shaft (10) is fixedly connected in the communication frame (9), and a groove is formed in the forming shaft (10);
the refrigerating pipe (11) is fixedly connected in the groove;
the forming sleeve (12) is arranged on the underframe (1), the forming sleeve (12) is arranged in the sliding hole, and the forming sleeve (12) is provided with a through hole with the same diameter as the forming shaft (10).
3. The PVC pipe injection molding apparatus of claim 2, wherein the adjustment mechanism further comprises:
the connecting rods (13) are arranged in a plurality, each forming block (8) is rotationally connected with one connecting rod (13), and each connecting rod (13) is rotationally connected to the rotating gear (7);
a first motor (14), the first motor (14) being mounted on the forming frame (6);
the driving gear (15), driving gear (15) fixed connection is in on the output of first motor (14), driving gear (15) with rotate gear (7) meshing.
4. A PVC pipe injection molding apparatus as in claim 3, wherein the injection molding mechanism further comprises:
the second motor (16), second motor (16) are installed on moulding plastics bucket (2), the output of second motor (16) runs through moulding plastics bucket (2) and with mould plastics oar (4) fixed connection.
5. The PVC pipe injection molding apparatus according to claim 4, wherein the injection molding tub (2) is of two-half design, and the chassis (1) is provided with a separating mechanism comprising:
the sliding block (17), the said sliding block (17) is fixedly connected to said injection molding barrel (2);
the fixing frame (18), the fixing frame (18) is fixedly connected to the underframe (1), and the sliding block (17) is connected to the fixing frame (18) in a sliding manner;
the support frame (19), support frame (19) fixed connection is on chassis (1), rotate on support frame (19) and be connected with bi-directional screw (20), fixedly connected with movable block (21) on moulding plastics bucket (2), set up the screw on movable block (21), bi-directional screw (20) threaded connection is in the screw;
the third motor (22), third motor (22) are installed on support frame (19), the output of third motor (22) runs through support frame (19) and with two-way screw rod (20) fixed connection.
6. A PVC pipe injection molding apparatus according to claim 5, wherein the injection molding barrel (2) is mounted with a discharge mechanism for hot gas discharge, the discharge mechanism comprising:
the discharge box (23) is fixedly connected to the injection molding barrel (2), and the discharge box (23) is communicated with the through groove;
a fan (24), the fan (24) being mounted on the discharge tank (23);
the baffle (25) is arranged on the discharge box (23), and the baffle (25) is connected in the chute in a sliding way;
the first electric cylinder (26), the first electric cylinder (26) is installed through the mounting bracket on the drain box (23), the output of first electric cylinder (26) runs through the mounting bracket and with baffle (25) fixed connection.
7. A method of using the PVC pipe injection molding apparatus of claim 6, comprising the steps of:
s1, when PVC materials are required to be injection molded, when the PVC materials are fed, firstly, the PVC materials are poured into a feed bin (3), a fourth motor (28) arranged on a filter plate (27) drives a crushing shaft (29) to rotate, so that a shovel plate (31) arranged on the crushing shaft (29) is driven to rotate, when the shovel plate (31) rotates, the PVC materials on the filter plate (27) are shoveled up, and the crushing knife (30) fixedly connected with the crushing shaft (29) rotates, so that the PVC materials are crushed, namely, the qualified PVC materials fall into an injection molding barrel (2) through the filter plate (27) to be injection molded, then, after the PVC falls into the injection molding barrel (2), the PVC materials are heated through a heating wire (5) arranged in a through groove, when the heating wire (5) in the through groove is heated, the baffle plate (25) is driven by the first electric cylinder (26) arranged on the mounting frame to block the discharge box (23) so that heat cannot be lost, after the heating is finished, the baffle plate (25) is driven by the first electric cylinder (26) arranged on the mounting frame to ascend, heat in the through groove is rapidly conducted out by the fan (24) arranged on the heat dissipation box, so that the injection molding barrel (2) is rapidly dissipated, PVC materials are melted, the injection molding paddle (4) is driven by the second motor (16) arranged on the injection molding barrel (2) to rotate, so that the melted PVC materials are extruded, during extrusion, cooling the formed PVC pipe through a refrigerating pipe (11) in the forming shaft (10);
s2, when the molding angle of the PVC pipe is required to be adjusted, a first motor (14) arranged on the molding frame (6) drives a driving gear (15) to be meshed with the rotating gear (7) and rotate, and then drives a connecting rod (13) rotationally connected to the rotating gear (7) to expand outwards, so that a molding block (8) rotationally connected to the molding frame (6) is driven to expand outwards, after the molding blocks (8) expand outwards, the contact positions among the molding blocks (8) are arc-shaped, so that a large circle is formed in the middle, and then a molding sleeve (12) arranged on the bottom frame (1) is taken out and sleeved on a molding shaft (10), so that the size of the PVC pipe is rapidly adjusted;
s3, when the use is finished and cleaning is needed, a third motor (22) arranged on the supporting frame (19) drives the bidirectional screw rod (20) to rotate, and then drives the injection molding barrels (2) in two halves to perform relative movement, so that the injection molding barrels (2) are opened, and an operator can conveniently clean the injection molding barrels (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310960621.3A CN116985337A (en) | 2023-08-01 | 2023-08-01 | PVC pipe injection molding equipment and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310960621.3A CN116985337A (en) | 2023-08-01 | 2023-08-01 | PVC pipe injection molding equipment and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116985337A true CN116985337A (en) | 2023-11-03 |
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ID=88520941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310960621.3A Pending CN116985337A (en) | 2023-08-01 | 2023-08-01 | PVC pipe injection molding equipment and process |
Country Status (1)
| Country | Link |
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| CN (1) | CN116985337A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119928156A (en) * | 2025-04-08 | 2025-05-06 | 国网四川省电力公司资阳供电公司 | Device and method for injection molding of shielding cover |
| CN120347971A (en) * | 2025-06-26 | 2025-07-22 | 河北首固管道科技有限公司 | Manufacturing method of plastic PVC pipeline and pipeline thereof |
-
2023
- 2023-08-01 CN CN202310960621.3A patent/CN116985337A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119928156A (en) * | 2025-04-08 | 2025-05-06 | 国网四川省电力公司资阳供电公司 | Device and method for injection molding of shielding cover |
| CN119928156B (en) * | 2025-04-08 | 2025-06-10 | 国网四川省电力公司资阳供电公司 | Device and method for injection molding of shielding cover |
| CN120347971A (en) * | 2025-06-26 | 2025-07-22 | 河北首固管道科技有限公司 | Manufacturing method of plastic PVC pipeline and pipeline thereof |
| CN120347971B (en) * | 2025-06-26 | 2025-08-12 | 河北首固管道科技有限公司 | A method for manufacturing a plastic PVC pipe and the pipe |
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