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CN-224224484-U - Plastic profile extrusion die and die head assembly

CN224224484UCN 224224484 UCN224224484 UCN 224224484UCN-224224484-U

Abstract

The application discloses a plastic profile extrusion die and a die head assembly, which relate to the field of plastic profile extrusion and comprise a die plate, a fastening assembly, a feeding pipe and a die head assembly, wherein a rotating plate is rotated, a plug rod in a fixed block is used for plugging a jack close to the side face of the die plate of an opposite block, then under the action of a tightening spring, the plug rod in the moving block is plugged with the jack away from the side face of the die plate on one side of a mounting block, under the action of the tightening spring on the moving block, the tightening of the plug rod is realized, the locking is realized, the installation is convenient, an inner hexagonal block at one end of a worm is driven to rotate by an inner hexagonal wrench, the threaded sleeve is driven to rotate by the worm and a worm wheel, and the threaded sleeve is driven to rotate by a threaded shaft, so that a connecting block drives a current limiting block to move by a connecting pin, the current limiting block gradually opens a gap between the current limiting block and a slope away from one end of the feeding pipe through the slope of an outer current deflector, and the feeding flow is convenient to adjust.

Inventors

  • ZHANG XIANPING

Assignees

  • 四川宏丰泰塑胶科技有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (9)

  1. 1. The plastic profile extrusion die comprises a plurality of templates and is characterized in that fastening components are arranged on the outer surface of each template; The fastening assembly comprises two butt joint blocks arranged on the upper surface of the template, a plurality of sliding blocks are arranged between the two butt joint blocks, a rotating plate is hinged to the outer surface of the butt joint blocks, two fixed blocks are fixedly arranged on the outer surface of the rotating plate, two moving blocks are slidably arranged in the rotating plate, inserting rods are alternately arranged in the moving blocks and the fixed blocks, extension springs are fixedly connected to one sides, far away from the rotating plate, of the outer surfaces of the fixed blocks and the moving blocks, and tightening springs are fixedly connected between the moving blocks and the fixed blocks.
  2. 2. The plastic profile extrusion die as in claim 1, wherein two L-shaped limiting blocks are fixedly arranged at two ends of the sliding block, and limiting sliding grooves matched with the L-shaped limiting blocks are formed in the outer surface of the butt joint block.
  3. 3. The plastic profile extrusion die as in claim 2, wherein the insert is fixedly mounted on the lower surface of the sliding block, and the upper surface of the die plate is provided with a slot matched with the insert.
  4. 4. The plastic profile extrusion die as in claim 3, wherein the two sides of the die plate are provided with insertion holes matched with insertion rods, one end of each insertion rod, which is far away from the rotating plate, is fixedly connected with a connecting sheet, one end of each extension spring, which is far away from the rotating plate, is fixedly connected with the outer surface of each connecting sheet, and a sliding groove matched with the moving block is formed in each rotating plate.
  5. 5. A die head assembly comprising a feeding pipe and the plastic profile extrusion die as claimed in any one of claims 1 to 4, wherein a die head component is arranged between the feeding pipe and the die plate; The die head part comprises a mounting block fixedly connected to one end of the feeding pipe, a buffer block is fixedly arranged at one end of the mounting block away from the feeding pipe, an external thread pipe is fixedly connected to one side of the buffer block away from the feeding pipe, the external thread pipe is in threaded connection with an adjacent template, two external guide plates are arranged in the mounting block, two internal guide plates are arranged in the mounting block, a threaded sleeve is movably connected to the mounting block through a bearing, a threaded rod is connected to the threaded sleeve through internal threads, a connecting block is fixedly connected to one end of the threaded rod away from the feeding pipe, and two current limiting blocks are arranged on the outer surface of the connecting block.
  6. 6. The die head assembly of claim 5, wherein the outer surface of the threaded sleeve is fixedly connected with a worm wheel, a worm is arranged in the mounting block and is in meshed connection with the worm wheel, and one end of the worm penetrates through the outer surface of the mounting block and is fixedly connected with an inner hexagonal block.
  7. 7. The die head assembly of claim 6, wherein the flow limiting block is arranged between the outer flow guide plate and the inner flow guide plate, inclined planes are arranged on the outer surface of the flow limiting block and one end, far away from the feeding pipe, of the outer flow guide plate, a connecting pin is fixedly connected between the flow limiting block and the connecting block, and a limiting groove matched with the connecting pin is formed in the inner flow guide plate.
  8. 8. The die assembly of claim 7, wherein the restrictor block maintains a seal against the inner restrictor slot of the inner baffle at all times.
  9. 9. The die head assembly of claim 8, wherein the mounting block is provided with a feed inlet for feeding near the feed pipe, the width of the feed inlet, the width of the outer guide plate and the width of the inner guide plate are all the same, the mounting block is internally provided with guide grooves matched with the outer guide plate and the inner guide plate, and the buffer block is internally provided with a cavity.

Description

Plastic profile extrusion die and die head assembly Technical Field The utility model relates to the technical field of plastic profile extrusion, in particular to a plastic profile extrusion die and a die head assembly. Background Plastic profile extrusion is a plastic processing technique that continuously produces plastic profiles having a fixed cross-sectional shape by heating plastic particles to a molten state and then forcing the molten plastic through a die having a specific cross-sectional shape by a screw of an extruder, and is widely used for producing various plastic products such as pipes, plates, bars, profiles, etc. When the plastic profile is extruded, the particle raw materials are melted through an extruder and then sent to a die head assembly at one end of the extruder, the raw materials in a molten state are sent to a die part through diversion treatment in the die head assembly, and then extruded through a discharge hole with a specific shape in the die, so that a workpiece with a specified shape is obtained, and then the workpiece is cooled and cut, so that the required plastic profile is obtained. The existing plastic profile die mainly comprises a plurality of templates and locking plates, after the templates and the die head assembly are installed, the locking plates are installed on two sides of the templates, so that the fastening degree between the templates is improved, the existing die is complex in installation process, time and labor are wasted in die replacement, and the die is inconvenient to use. Disclosure of utility model (One) solving the technical problems The utility model provides a plastic profile extrusion die and a die head assembly aiming at the problems existing in the prior art. (II) technical scheme The plastic profile extrusion die comprises a plurality of templates, wherein fastening components are arranged on the outer surfaces of the templates; The fastening assembly comprises two butt joint blocks arranged on the upper surface of the template, a plurality of sliding blocks are arranged between the two butt joint blocks, a rotating plate is hinged to the outer surface of the butt joint blocks, two fixed blocks are fixedly arranged on the outer surface of the rotating plate, two moving blocks are slidably arranged in the rotating plate, inserting rods are alternately arranged in the moving blocks and the fixed blocks, extension springs are fixedly connected to one sides, far away from the rotating plate, of the outer surfaces of the fixed blocks and the moving blocks, and tightening springs are fixedly connected between the moving blocks and the fixed blocks. As a preferable scheme of the plastic profile extrusion die, two L-shaped limiting blocks are fixedly arranged at two ends of the sliding block, and limiting sliding grooves matched with the L-shaped limiting blocks are formed in the outer surface of the butt joint block. As a preferable scheme of the plastic profile extrusion die, the lower surface of the sliding block is fixedly provided with the inserting block, and the upper surface of the template is provided with the inserting groove matched with the inserting pipe. As a preferable scheme of the plastic profile extrusion die, two sides of the die plate are respectively provided with a jack matched with an inserting rod, one end of the inserting rod, which is far away from the rotating plate, is fixedly connected with a connecting sheet, one end of the extension spring, which is far away from the rotating plate, is fixedly connected with the outer surface of the connecting sheet, and a sliding groove matched with the moving block is formed in the rotating plate. The die head assembly comprises a feeding pipe, wherein a die head component is arranged between the feeding pipe and a template; Die head part, including the installation piece of fixed connection in conveying pipe one end, the one end fixed mounting who keeps away from the conveying pipe of installation piece has the buffer block, one side fixedly connected with external screw thread pipe that the conveying pipe was kept away from to the buffer block, external screw thread pipe and adjacent template threaded connection, the inside of installation piece is provided with two outer guide plates, the inside of installation piece is provided with two interior guide plates, the inside of installation piece is through bearing swing joint threaded sleeve pipe, threaded sleeve's internal thread connection has the threaded rod, the one end fixedly connected with connecting block of conveying pipe is kept away from to the threaded rod, the surface of connecting block is provided with two current limiting blocks. As a preferable scheme of the die head assembly, the outer surface of the threaded sleeve is fixedly connected with a worm wheel, a worm is arranged in the mounting block and is in meshed connection with the worm wheel, and one end of the worm penetrates through the outer surface of the mou