CN-224210519-U - Mould core structure of hollow blow molding machine

CN224210519UCN 224210519 UCN224210519 UCN 224210519UCN-224210519-U

Abstract

The utility model discloses a hollow blow molding machine mold core structure which comprises a mold head supporting seat, a rubber feeding cylinder, a mold core body, a material injecting component and a material storing cylinder, wherein the rubber feeding cylinder is tightly connected with the lower end of the mold head supporting seat, the mold core body is arranged at the center of the mold head supporting seat and the rubber feeding cylinder in a penetrating manner, a feeding gap is formed between the rubber feeding cylinder and the mold core, a feeding hole is formed in the side end of the rubber feeding cylinder, the feeding hole is communicated with the feeding gap, the material injecting component is sleeved at the lower end of the rubber feeding cylinder, the upper end of the material injecting component is arranged in the mold head supporting seat in a penetrating manner, a material storing cylinder sleeve is arranged outside the material injecting component, the upper end of the material storing cylinder is tightly connected with the rubber feeding cylinder, and an exhaust hole is formed in the side end of the material storing cylinder and is communicated with the feeding gap. The hollow blow molding machine mold core structure is simple in structure, can effectively reduce old plastic residues on the inner wall of the mold core, solves the problems of more residues on the inner wall of the mold core, difficult cleaning, long downtime and the like when the color of a product is changed, and improves the production efficiency and the product quality.

Inventors

SHI WEISHENG
DU CONG
XU DAIHUA

Assignees

利宾来塑胶工业（深圳）有限公司

Dates

Publication Date: 20260508
Application Date: 20250506

Claims (10)

1. The mold core structure of the hollow blow molding machine is characterized by comprising a mold head supporting seat, a rubber feeding barrel, a mold core body, a material injecting component and a material storing cylinder, wherein the rubber feeding barrel is connected with the lower end of the mold head supporting seat, the mold core body is arranged on the center position of the mold head supporting seat and the rubber feeding barrel in a penetrating mode, a feeding gap exists between the rubber feeding barrel and the mold core body, a feeding hole is formed in the side end of the rubber feeding barrel, the feeding hole is communicated with the feeding gap, the material injecting component is sleeved at the lower end of the rubber feeding barrel, the upper end of the material injecting component is arranged in the mold head supporting seat in a penetrating mode, the material storing cylinder sleeve is arranged outside the material injecting component, the upper end of the material storing cylinder is connected with the rubber feeding barrel, and an exhaust hole is formed in the side end of the material storing cylinder and is communicated with the feeding gap.
2. The mold core structure of a hollow blow molding machine according to claim 1, wherein the rubber inlet cylinder comprises a rubber inlet block and a guide sleeve, the guide sleeve is arranged in the rubber inlet block in a penetrating manner, the upper end of the guide sleeve protrudes out of the upper end of the rubber inlet block, the upper end of the mold core body is arranged in the guide sleeve in a penetrating manner, and the feeding hole is arranged at the side ends of the rubber inlet block and the guide sleeve.
3. A hollow blow molding machine mold core structure according to claim 2, wherein the mold core body comprises a mold core and a mold core connecting piece, the upper end of the mold core is connected with the mold head supporting seat, and the lower end of the mold core is detachably connected with the mold core connecting piece.
4. A hollow blow molding machine mold core structure according to claim 3, wherein the outer wall of the mold core is provided with a flow passage in an inward concave manner, and the flow passage is provided with a 180-degree symmetrical heart-shaped enveloping flow passage.
5. A hollow blow molding machine core structure according to claim 4, wherein the flow passage is arranged in a straight line or an arc shape.
6. A hollow blow molding machine mold core structure according to claim 3, wherein the center of the mold head support seat is provided with a positioning through hole, and the upper end of the mold core is fixedly connected in the positioning through hole.
7. The hollow blow molding machine mold core structure of claim 6, wherein a first step is concavely arranged at the lower end of the positioning through hole, the upper end of the guide sleeve is arranged in the first step, a plurality of first connecting holes are arranged at the circumferential position of the positioning through hole, a plurality of second connecting holes are arranged on the glue feeding block, and first connecting screws are connected in the first connecting holes and the second connecting holes.
8. The hollow blow molding machine mold core structure of claim 2, wherein a second step is arranged at the lower end of the glue feeding block in a protruding mode, the upper end of the storage cylinder is arranged on the second step, a plurality of third connecting holes are formed in the glue feeding block, a plurality of fourth connecting holes are formed in the upper end of the storage cylinder, and second connecting screws are connected in the third connecting holes and the fourth connecting holes.
9. The hollow blow molding machine mold core structure of claim 2, wherein the injection assembly comprises an injection piston and a plurality of injection compression bars, the injection piston is sleeved outside the guide sleeve, the injection compression bars are uniformly connected to the upper end of the injection piston, guide holes are formed in the die head supporting seat and the glue feeding block, and the injection compression bars are arranged in the guide holes in a penetrating mode.
10. The hollow blow molding machine mold core structure according to claim 1, wherein an outlet pipe is arranged in the exhaust hole, the outlet pipe is communicated with the feeding gap, and a valve is arranged on the outlet pipe.

Description

Mould core structure of hollow blow molding machine Technical Field The utility model relates to the technical field of hollow blow molding machines, in particular to a mold core structure of a hollow blow molding machine. Background In hollow blow molding production, the switching of different product colors is a common and time-consuming operation, and the mold core structure of the existing blow molding machine is relatively complex, is difficult to clean, needs to be frequently stopped, seriously affects the production efficiency, and in addition, the mold core runner has dead angles, is not thoroughly cleaned, and is easy to adhere to residues on the surface of a material, and old color plastics are easy to exist on the inner wall of the mold core when the product changes colors, so that the purity of a new color is insufficient, and the quality of the product is affected. Accordingly, there is a need to provide a hollow blow molding machine mold core structure that addresses the above-described issues. Disclosure of utility model In order to overcome the defects of the prior art, the mold core structure of the hollow blow molding machine is simple in structure, can effectively reduce the old plastic residues on the inner wall of the mold core, solves the problems of more residues on the inner wall of the mold core, difficult cleaning, long downtime and the like when the color of a product is changed, and improves the production efficiency and the product quality. The technical scheme adopted for solving the technical problems is as follows: The utility model provides a cavity blowing machine mold core structure, includes die head supporting seat, advances the packing element, the mold core body, penetrates material subassembly and storage cylinder, advance the packing element with the lower extreme of die head supporting seat is connected, the mold core body wears to establish the center position of die head supporting seat and advance the packing element, just advance the packing element with there is the feeding clearance between the mold core body, the side that advances the packing element is provided with the feed inlet, the feed inlet with the feeding clearance intercommunication, it establishes to penetrate material subassembly cover advance the lower extreme of packing element, just penetrate material subassembly's upper end wears to establish in the die head supporting seat, the storage cylinder sleeve is established penetrate material subassembly's outside, just the upper end of storage cylinder with advance the packing element and be connected, the side of storage cylinder is provided with the exhaust hole, the exhaust hole with the feeding clearance intercommunication. As a further improvement of the technical scheme, the rubber feeding barrel comprises a rubber feeding block and a guide sleeve, the guide sleeve is arranged in the rubber feeding block in a penetrating mode, the upper end of the guide sleeve protrudes out of the upper end of the rubber feeding block, the upper end of the mold core body is arranged in the guide sleeve in a penetrating mode, and the feeding hole is formed in the lateral ends of the rubber feeding block and the guide sleeve. As a further improvement of the technical scheme, the die core body comprises a die core and a die core connecting piece, wherein the upper end of the die core is connected with the die head supporting seat, and the lower end of the die core is detachably connected with the die core connecting piece. As a further improvement of the technical scheme, the outer wall of the mold core is concavely provided with a runner, and the runner is provided with a 180-degree symmetrical heart-shaped enveloping runner. As a further improvement of the above technical solution, the flow channel is arranged in a straight line or a arc structure. As a further improvement of the technical scheme, a positioning through hole is formed in the center of the die head supporting seat, and the upper end of the die core is fixedly connected in the positioning through hole. As a further improvement of the technical scheme, a first step is concavely arranged at the lower end of the positioning through hole, the upper end of the guide sleeve is arranged in the first step, a plurality of first connecting holes are formed in the circumferential position of the positioning hole, a plurality of second connecting holes are formed in the glue feeding block, and first connecting screws are connected in the first connecting holes and the second connecting holes. As a further improvement of the technical scheme, the lower end of the glue feeding block is convexly provided with a second step position, the upper end of the storage cylinder is arranged on the second step position, a plurality of third connecting holes are formed in the glue feeding block, a plurality of fourth connecting holes are formed in the upper end of the storage cylinder, and second connecting screws are con