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CN-121973427-A - Extrusion molding device and method for producing chemical plastic barrels

CN121973427ACN 121973427 ACN121973427 ACN 121973427ACN-121973427-A

Abstract

The application discloses an extrusion molding device and a method for producing a chemical plastic bucket, which relate to the technical field of chemical plastic bucket production, and comprise an extruding machine main body, wherein a processing frame is arranged on one side of the extruding machine main body, a blanking hand is arranged at the top end of the processing frame, a waste conveying belt is fixedly arranged at the lower part of the processing frame, a cleaning mechanism is arranged in the middle of the extruding machine main body and is used for cutting waste of the formed chemical plastic bucket, the cleaning mechanism comprises a cutting assembly and two supports fixedly arranged in the middle of the processing frame, and the cutting assembly can cut molding waste at the bottom end (pouring gate) and the bucket mouth of a bucket body at the same time under the driving of a servo motor, so that the traditional manual operation is replaced, the production efficiency is remarkably improved, the consistency of cutting paths ensured by machinery is avoided, the problems of uneven cut, different sizes and the like possibly caused by manual cutting, and the stability and uniformity of product quality are improved.

Inventors

  • Tang Canliang
  • TANG JIANFENG
  • KONG LIFEI

Assignees

  • 杭州亚泰包装容器有限公司

Dates

Publication Date
20260505
Application Date
20260205

Claims (8)

  1. 1. The extrusion molding device for producing the chemical plastic barrel comprises an extrusion molding machine main body (1), and is characterized in that a processing frame (11) is arranged on one side of the extrusion molding machine main body (1), a blanking hand (12) is arranged at the top end of the processing frame (11), a waste conveying belt (13) is fixedly arranged at the lower part of the processing frame (11), a cleaning mechanism (2) is arranged in the middle of the extrusion molding machine main body (1) and used for cutting waste materials of the formed plastic chemical barrel, and the cleaning mechanism (2) comprises: the cutting assembly (21) comprises two supporting plates (211) fixedly arranged in the middle of the treatment frame (11), two symmetrically-distributed driving cylinders (212) are fixedly arranged in the middle of the treatment frame (11), the driving ends of the two driving cylinders (212) are fixedly arranged in the middle of one side of the supporting plates (211), two fixing clamps (213) which are matched with each other for use are arranged on one side of the two supporting plates (211), an upper cleaning part for cutting waste at the bottom end of the chemical plastic barrel body is arranged on the upper part of the treatment frame (11), and a lower cleaning part for cutting waste at the upper opening of the chemical plastic barrel body is arranged on the lower part of the treatment frame (11); The adjusting component (22) is arranged on the lower cleaning component and is used for adjusting the cutter position of the cutting knife; And the self-adapting assembly (23) is arranged on one side of the supporting plate (211) and is used for adjusting the angle of the fixing clamp (213).
  2. 2. An extrusion molding device for producing chemical plastic barrels as in claim 1, wherein the lower cleaning part comprises a guide plate (14) fixedly installed at the lower part of a processing frame (11), a fixing frame (215) is fixedly installed at the middle part of the bottom end of the guide plate (14), a driven gear (2161) is fixedly installed at the middle part of the fixing frame (215), two symmetrically distributed rotating shafts (2141) are rotatably installed at the lower part of the processing frame (11), driving gears (216) are fixedly installed at the opposite ends of the two rotating shafts (2141), the two driving gears (216) are mutually meshed with the driven gear (2161), a driving component is arranged at one end of one rotating shaft (2141), an inclined frame (217) is fixedly installed at the middle part of the top end of the driven gear (2161), and a lower hot cutter (2171) is arranged at the upper part of the inclined frame (217).
  3. 3. The extrusion molding device for producing chemical plastic barrels as claimed in claim 2, wherein the upper cleaning component comprises two limiting bearings (2182) fixedly installed on the upper portion of the processing frame (11), screw rods (218) are slidably arranged in the middle of the two limiting bearings (2182), the two screw rods (218) are in transmission connection with a rotating shaft (2141) through a synchronous belt and a synchronous wheel, the screw rods (218) are in threaded connection with the synchronous wheel, two symmetrically distributed limiting grooves (2181) are formed in the outer side of the screw rods (218), the middle of the two limiting bearings (2182) are slidably clamped in the middle of the limiting grooves (2181), one ends of the two screw rods (218) are rotatably provided with moving plates (219), one ends of the two upper hot cutters (2191) are fixedly provided with upper hot cutters (2191), and clamping jaws (2192) matched with each other are fixedly installed at two ends of one moving plate (219).
  4. 4. An extrusion molding apparatus for the production of chemical plastic barrels as claimed in claim 2, wherein the adjusting assembly (22) comprises a bolt (221) rotatably installed at the upper portion of the tilting frame (217), a sliding frame (222) is fixedly installed at the bottom end of the lower hot knife (2171), one end of the sliding frame (222) is screw-installed at the middle portion of the bolt (221), a supporting cylinder (223) is fixedly installed at the middle portion of the fixing frame (215), a supporting rod (224) is fixedly installed at the driving end of the supporting cylinder (223), and the supporting rod (224) slidably penetrates through the middle portions of the driven gear (2161) and the tilting frame (217).
  5. 5. Extrusion molding device for the production of chemical plastic barrels according to claim 1, characterized in that the adjusting assembly (22) comprises two adjusting cylinders (231) fixedly installed on two sides of two supporting plates (211), two symmetrically distributed connecting rods (232) are hinged on two sides of each supporting plate (211), one end of each fixing clamp (213) is fixedly installed on one end of each connecting rod (232), and the driving end of each adjusting cylinder (231) is fixedly installed on one end of each fixing clamp (213).
  6. 6. An extrusion apparatus for the production of chemical plastic drums as claimed in claim 2, wherein the driving assembly comprises a servo motor (214) fixedly installed at the lower portion of the processing frame (11), and one end of one of the rotating shafts (2141) is fixedly installed at the driving end of the servo motor (214).
  7. 7. An extrusion molding device for producing chemical plastic barrels as claimed in claim 3, wherein a plurality of guide rods (2111) which are uniformly distributed are fixedly arranged on one side of each of the two supporting plates (211), the guide rods (2111) are slidably penetrated through the middle part of the treatment frame (11) through linear bearings, four sliding rods (2193) which are uniformly distributed are fixedly arranged on one side of each of the two moving plates (219), and one ends of the sliding rods (2193) are slidably clamped on the upper part of the treatment frame (11) through the linear bearings.
  8. 8. A method of using the extrusion molding device for producing chemical plastic barrels according to any one of claims 1 to 7, comprising the steps of: The method comprises the steps of S1, extruding raw materials into a die after heating and blowing through an extruder main body (1), extruding and forming the raw materials through the die, wherein after forming, redundant waste is generated between a waste end at the upper end and a raw material conveying end of the extruder main body (1), and at the moment, a blanking hand (12), namely two clamping rods which are symmetrically distributed, is used for clamping the waste, the die is opened, and the blanking hand (12) is retracted to enable the chemical plastic barrel and the waste clamped at the upper part to be conveyed to the middle part of a treatment frame (11) together; S2, driving air cylinders (212) positioned at two sides of the processing frame (11) are started at the moment to synchronously move towards the chemical plastic barrel to clamp and fix the chemical plastic barrel, and after the chemical plastic barrel is fixed, the blanking hand (12) releases the clamping effect and resets to take materials for the next time; And S3, at the moment, the upper cleaning component and the lower cleaning component are synchronously close to the waste end of the chemical plastic barrel, the upper cleaning component assembly cleans redundant waste generated at the joint of the bottom end of the barrel body of the chemical plastic barrel and the conveying port of the plastic extruder main body (1), and the lower cleaning component cuts the opening of the chemical plastic barrel to open the cavity of the barrel body.

Description

Extrusion molding device and method for producing chemical plastic barrels Technical Field The invention relates to the technical field of chemical plastic bucket production, in particular to an extrusion molding device and method for chemical plastic bucket production. Background The plastic barrels are used as common industrial packaging containers, and are produced by adopting an extrusion molding blow molding process, wherein molten plastic is extruded into a molded blank through an extruder main body, and then the molded blank is closed by a die, blown for shaping and finally cooled for molding. The patent publication No. CN221660056U, patent publication No. 2024-09-06 discloses a hollow blow molding machine for plastic barrels, which comprises a main body device for extruding parisons and moving a mold, wherein the bottom of the main body device is provided with a blowing device for lifting and stretching into a cavity to blow and mold, the hollow blow molding machine also comprises a supporting device arranged on one side of the blowing device and used for lifting and lifting the parisons and limiting the swinging of the dual-station stretching-in parisons, the supporting device comprises a lifting frame, two lifting screw rods are symmetrically arranged on the lifting frame in a front-back manner, synchronous wheels are arranged at the bottom of the lifting screw rods, the hollow blow molding machine for plastic barrels reduces deformation caused by falling of the parisons and improves blow molding quality, the swinging of the parison is limited by stretching into the parisons, the blow molding quality is further ensured, and the two plastic barrels are simultaneously processed by the setting of dual-station lifting limitation. Based on the search of patent numbers, the following defects in the prior art are combined: In the extrusion molding process, after the plastic barrel is subjected to blow molding by a mold, flat pouring gate waste is formed at the bottom end of the barrel (at the joint of the plastic barrel and a pouring gate of the plastic extruder), annular flash waste is generated at the opening of the upper part of the barrel due to a mold clamping gap, and the cleaning modes of the two waste are mainly based on manual hand-held hot cutting, but the manual cutting efficiency is low, the time consumption for processing the single barrel waste is long, each equipment needs to be provided with a worker, so that the production cost is increased, the improvement of the overall production efficiency is restricted, and on the other hand, the precision of manual cutting is completely dependent on the experience of operators, the problems of uneven cut, large size deviation and the like are easy to occur, and the subsequent assembly and sealing performance of the plastic barrel are influenced. Disclosure of Invention The invention aims to solve the problems that the traditional manual cleaning mode restricts the production efficiency and cannot ensure the flatness and consistency of a notch, and provides an extrusion molding device and method for producing a chemical plastic bucket. In order to solve the technical problems, the invention adopts the following technical scheme that the extrusion molding device for producing the chemical plastic bucket comprises an extrusion molding machine main body, wherein one side of the extrusion molding machine main body is provided with a treatment frame, the top end of the treatment frame is provided with a blanking hand, the lower part of the treatment frame is fixedly provided with a waste conveying belt, the middle part of the extrusion molding machine main body is provided with a cleaning mechanism for cutting waste of the molded chemical plastic bucket, and the cleaning mechanism comprises: The cutting assembly comprises two supporting plates fixedly arranged in the middle of the treatment frame, two symmetrically-distributed driving cylinders are fixedly arranged in the middle of the treatment frame, driving ends of the two driving cylinders are fixedly arranged in the middle of one side of each supporting plate, two fixing clamps which are matched with each other for use are arranged on one side of each supporting plate, an upper cleaning part for cutting waste at the bottom end of the chemical plastic barrel body is arranged at the upper part of the treatment frame, and a lower cleaning part for cutting waste at the upper opening of the chemical plastic barrel body is arranged at the lower part of the treatment frame; the adjusting component is arranged on the lower cleaning component and is used for adjusting the cutter position of the cutting knife; and the self-adaptive assembly is arranged on one side of the supporting plate and used for adjusting the angle of the fixing clamp. Preferably, the lower part clearance part is including fixed mounting in the lower part fixed mounting of handling the frame has the deflector, bottom middle part fixed mo