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CN-224210503-U - Vacuum pumping device for die inlet of plastic extruding machine

CN224210503UCN 224210503 UCN224210503 UCN 224210503UCN-224210503-U

Abstract

The utility model discloses a vacuum pumping device for a die inlet of an extruding machine, which comprises a base, wherein two upright posts are symmetrically fixed on the top surface of the base, the top surfaces of the two upright posts are jointly fixed with the extruding machine, the extruding machine is rotationally connected with an extruding piece, the tail end of the extruding piece is fixedly connected with an exhaust piece, the top surface of the extruding machine is vertically fixed with a hopper, the inner thread of the hopper is connected with a sealing plug, the outer part of the extruding machine is fixedly connected with a vacuum piece, and the vacuum piece is fixed on the top surface of the base. According to the utility model, the extrusion piece is rotationally connected in the extruder, the exhaust piece is fixedly connected at the tail end of the extrusion piece, and the vacuum piece is connected outside the extruder, so that the stirring and exhausting effects on the raw material gas in the extruder are achieved, the quality of extruded plastics is prevented from being influenced by residual gas and bubbles in the raw material, and the quality of the extruded plastics of the extruder is improved.

Inventors

  • YUAN LIUSHU
  • LI YUNXIANG
  • CHEN GENXIA

Assignees

  • 盐城申源塑胶有限公司

Dates

Publication Date
20260508
Application Date
20250519

Claims (7)

  1. 1. The utility model provides a vacuum pumping device for extruding machine die inlet, includes base (1), its characterized in that two stand (4) are fixed to the top surface symmetry of base (1), two the top surface co-fixed extruder (6) of stand (4), extruder (6) internal rotation connection extrusion piece, the terminal fixed connection exhaust spare of extrusion piece, the top surface vertical fixation hopper (7) of extruder (6), the internal thread connection sealing plug (8) of hopper (7), the outside fixed connection vacuum piece of extruder (6), the vacuum piece is fixed the top surface of base (1).
  2. 2. The vacuum pumping device for an extrusion molding machine die inlet is characterized in that the extrusion piece comprises a guide plate (14) rotatably connected in the extrusion molding machine (6), a driving motor (5) is horizontally fixed outside the extrusion molding machine (6), an output end of the driving motor (5) is in transmission connection with a rotating shaft (15), the rotating shaft (15) rotates to penetrate through the extrusion molding machine (6) and is fixedly connected with the guide plate (14), a first electric push rod (13) is horizontally fixed on the inner side of the guide plate (14), the tail end of the first electric push rod (13) is fixedly connected with a push block (12), a groove (17) is formed in the tail end of the push block (12), and the exhaust piece is fixed in the groove (17).
  3. 3. The vacuum pumping device for the die inlet of the plastic extruding machine according to claim 2, wherein the exhaust piece comprises a second electric push rod (16) fixedly inlaid in the center of the groove (17), the tail end of the second electric push rod (16) is fixedly connected with a supporting plate (9), a plurality of storage grooves (11) distributed in an equidistant annular array are arranged in the groove (17), each storage groove (11) is respectively and slidably provided with a stirring shaft (10), and a plurality of stirring shafts (10) are horizontally fixed with the supporting plate (9).
  4. 4. The vacuum pumping device for the die inlet of the plastic extruding machine according to claim 3, wherein a plurality of stirring blocks (19) distributed in an equidistant array are symmetrically fixed on the outer edge of each stirring shaft (10), two guide grooves (20) are symmetrically arranged on the inner wall of each containing groove (11), and the guide grooves (20) are matched with the stirring blocks (19).
  5. 5. The vacuum pumping device for the die inlet of the plastic extruding machine according to claim 1, wherein the vacuum part comprises a vacuum pump (2) fixed on the top surface of the base (1), the tail end of the vacuum pump (2) is fixedly connected with an air pipe (3), the tail end of the air pipe (3) is fixedly connected with a cylinder body (18), the cylinder body (18) is fixedly connected with the plastic extruding machine (6) and communicated with the plastic extruding machine (6), a sealing part is connected in a sliding manner in the cylinder body (18), and a limiting part is arranged outside the cylinder body (18) in a penetrating manner in a rotating manner.
  6. 6. The vacuum pumping device for the die inlet of the plastic extruding machine according to claim 5, wherein the sealing piece comprises a supporting ring (23) which is fixed in the barrel (18) in a suspending manner, the top surface of the supporting ring (23) is concentrically provided with a sealing groove (27), two limiting grooves (28) are symmetrically arranged in the sealing groove (27), each limiting groove (28) is respectively and slidably connected with one limiting block (29), the top surfaces of the two limiting blocks (29) are fixedly connected with a sealing plate (24) together, the sealing plate (24) is abutted in the sealing groove (27), each limiting groove (28) is respectively provided with a sliding groove (31), each sliding groove (31) is respectively and slidably connected with one sliding block (30), a connecting spring (32) is fixedly connected between the inner wall of each sliding groove (31) and each sliding block (30), and the limiting piece is in threaded connection with the sealing plate (24).
  7. 7. The vacuum pumping device for a die inlet of an extruding machine according to claim 6, wherein the sealing member comprises a connecting rod (25) concentrically fixed on the top surface of the sealing plate (24), a thread groove (26) is formed in the outer edge of the connecting rod (25), an inner threaded pipe (21) is horizontally fixed on the side surface of the cylinder (18), a bolt (22) is arranged in the inner threaded pipe (21) in a penetrating mode, the bolt (22) penetrates through the cylinder (18) in a rotating mode, and the threaded groove (26) is connected in a threaded mode.

Description

Vacuum pumping device for die inlet of plastic extruding machine Technical Field The utility model relates to the technical field of plastic extruding machines, in particular to a vacuum pumping device for a die inlet of a plastic extruding machine. Background The plastic extruder is used for plasticizing and forming plastic, granular plastic is added into the extruder, and plastic granules are continuously extruded from a machine head through an extrusion system at a certain pressure and speed to form a required plastic part. The extruder has air inside when using, and these air can get into inside the plastics when the plastics of extruder extrusion, makes the plastics of extrusion produce bubble and gas pocket to influence the quality of plastic part. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a vacuum pumping device for an extruder die inlet. In order to achieve the purpose, the technical scheme is that the vacuum-pumping device for the die inlet of the extruding machine comprises a base, wherein two upright posts are symmetrically fixed on the top surface of the base, the top surfaces of the two upright posts are jointly fixed with the extruding machine, the extruding machine is rotationally connected with an extruding piece, the tail end of the extruding piece is fixedly connected with an exhaust piece, the top surface of the extruding machine is vertically fixed with a hopper, the inner thread of the hopper is connected with a sealing plug, the outer part of the extruding machine is fixedly connected with a vacuum piece, and the vacuum piece is fixed on the top surface of the base. According to the technical scheme, the extruding piece comprises a guide plate which is rotatably connected in the extruder, a driving motor is horizontally fixed outside the extruder, the output end of the driving motor is in transmission connection with a rotating shaft, the rotating shaft penetrates through the extruder in a rotating mode and is fixedly connected with the guide plate, a first electric push rod is horizontally fixed on the inner side of the guide plate, the tail end of the first electric push rod is fixedly connected with a push block, a groove is formed in the tail end of the push block, and the exhaust piece is fixed in the groove. According to the technical scheme, the exhaust piece comprises a second electric push rod fixedly inlaid in the center of the groove, the tail end of the second electric push rod is fixedly connected with the supporting plate, a plurality of storage grooves distributed in an equidistant annular array are formed in the groove, each storage groove is respectively provided with a stirring shaft in a sliding penetrating mode, and the stirring shafts are horizontally fixed with the supporting plate. As further description of the technical scheme, a plurality of stirring blocks distributed in an equidistant array are symmetrically fixed on the outer edge of each stirring shaft, two guide grooves are symmetrically formed in the inner wall of each storage groove respectively, and the guide grooves are matched with the stirring blocks. As further description of the technical scheme, the vacuum part comprises a vacuum pump fixed on the top surface of the base, the tail end of the vacuum pump is fixedly connected with an air pipe, the tail end of the air pipe is fixedly connected with a cylinder body, the cylinder body is fixedly connected with the extruder and communicated with the extruder, the cylinder body is in sliding connection with a sealing part, and the outside of the cylinder body rotates to penetrate through a limiting part. According to the technical scheme, the sealing piece comprises a supporting ring which is fixed in the cylinder in a suspended manner, the top surface of the supporting ring is concentrically provided with a sealing groove, two limiting grooves are symmetrically arranged in the sealing groove, each limiting groove is respectively and slidably connected with a limiting block, the top surfaces of the two limiting blocks are fixedly connected with a sealing plate together, the sealing plates are abutted to the sealing groove, each limiting groove is respectively provided with a sliding groove, each sliding groove is respectively and slidably connected with a sliding block, the sliding blocks are fixedly connected with the limiting blocks, springs are fixedly connected between the inner walls of the sliding grooves and the sliding blocks, and the limiting piece is in threaded connection with the sealing plates. As further description of the technical scheme, the sealing element comprises a connecting rod concentrically fixed on the top surface of the sealing plate, a thread groove is formed in the outer edge of the connecting rod, an inner thread pipe is horizontally fixed on the side surface of the cylinder body, a bolt is threaded in the inner thread pipe, the bolt penetrates through the cylinder