CN-224224404-U - Injection mold with shared die carrier

CN224224404UCN 224224404 UCN224224404 UCN 224224404UCN-224224404-U

Abstract

The utility model relates to a common die frame injection mold which comprises a main die frame and a die cavity module arranged in the main die frame, wherein the die cavity module is detachably arranged in the main die frame, one end of the main die frame is detachably provided with an injection molding port which can be communicated with an inner cavity of the die cavity module, the die cavity module comprises a runner plate, an upper die cavity module and a lower die cavity module, the runner plate is covered at the top end of the upper die cavity module, runners which are respectively communicated with the injection molding port and the upper die cavity module are arranged in the runner plate, the lower die cavity module is correspondingly arranged below the upper die cavity module, and a product injection molding cavity is formed between the bottom end of the upper die cavity module and the top end of the lower die cavity module. The utility model has strong module interchangeability, greatly reduces the development quantity of the die, reduces the cost of the die by adopting a general die frame structure, is convenient to maintain and replace by adopting a modularized design, improves the production efficiency, is suitable for injection molding of high-precision small-sized parts such as gears, rollers, pulleys and the like, meets various project requirements by adopting a die frame structure, and improves the universality and the flexibility.

Inventors

JIANG CHEN
DING YELIANG

Assignees

赛兹(常州)塑料传动器件有限公司

Dates

Publication Date: 20260512
Application Date: 20250514

Claims (5)

1. The common die carrier injection mold comprises a main die carrier and a cavity module arranged in the main die carrier, and is characterized in that the cavity module is detachably arranged in the main die carrier, and one end of the main die carrier is detachably provided with an injection port which can be communicated with the cavity of the cavity module; The cavity module comprises a runner plate, an upper cavity module and a lower cavity module, wherein the runner plate is covered at the top end of the upper cavity module, runners which are respectively communicated with an injection port and the upper cavity module are arranged in the runner plate, the lower cavity module is correspondingly arranged below the upper cavity module, and a product injection cavity is formed between the bottom end of the upper cavity module and the top end of the lower cavity module.
2. The injection mold of claim 1, wherein at least two cavity modules are disposed in the main mold frame.
3. The injection mold of claim 1 or 2, wherein the upper cavity module comprises an upper cavity block, an upper sleeve block and an inner guide sleeve, the upper sleeve block is sleeved outside the upper cavity block, the inner guide sleeve is arranged in the upper cavity block and penetrates through the top end and the bottom end of the upper cavity block, and a flow passage communicated with the flow passage plate and a flow passage of the product injection cavity are arranged in the inner guide sleeve.
4. The injection mold of claim 3, wherein the lower cavity block comprises a lower cavity block, a lower sleeve block and an inner sleeve block, the lower cavity block is sleeved outside the inner sleeve block, the lower sleeve block is sleeved outside the inner sleeve block, the top end surface of the lower sleeve block is connected with the bottom end surfaces of the upper cavity block and the upper sleeve block, and a product injection cavity is formed among the lower cavity block, the lower sleeve block, the inner sleeve block and the upper cavity block.
5. The injection mold of claim 4, wherein the main mold frame comprises an upper mold fixing plate, a lower mold fixing plate, an upper mold mounting plate, a lower mold mounting plate, a water gap plate, a thimble plate and a lower support plate, wherein the water gap plate is fixed at the bottom end of the upper mold fixing plate, the upper mold mounting plate is arranged at the bottom end of the water gap plate, the upper mold mounting plate is sleeved outside the upper mold cavity module, the lower mold mounting plate is arranged at the bottom end of the upper mold mounting plate, the lower mold mounting plate is sleeved outside the lower mold cavity module, the lower support plate is arranged at the bottom end of the lower mold mounting plate, the lower support plate can compress the lower mold cavity module, the lower support plate bottom end is provided with a plurality of thimble plate guide posts, the thimble plate is arranged at the top end of the lower mold fixing plate, the thimble plate is arranged at the top end of the thimble plate, the thimble plate can move up and down along the thimble plate guide posts, and the thimble plate top end is fixed with a plurality of thimbles, and the thimbles extend into the product injection cavity.

Description

Injection mold with shared die carrier Technical Field The application relates to the technical field of injection molds, in particular to a common mold frame injection mold suitable for various industries and various products, which can be widely applied to the fields of medical appliances, automotive electronics, household appliances, office equipment, consumer electronics and the like, and meets the technical requirements of industrial 4.0 and flexible manufacturing systems on quick mold adaptation and low-cost management. Background Along with the continuous optimization demands of the development period and the cost of the mold, the traditional special mold frame structure can not meet the demands of customization and small-batch production gradually. The common die carrier technology can realize the common part structure of a plurality of products, and improves the universality and the economy of the die. In the prior art, a systematic solution is not formed for the modularized design and replacement of the common die carrier structure, and particularly in small plastic parts such as a gear box assembly, rollers, pulleys and the like, the problems of complex structure, inconvenient replacement and the like still exist. Disclosure of utility model The application aims to provide a common die carrier injection mold which has a simplified structure and strong module interchangeability and is suitable for production of multiple types of products. In order to achieve the above purpose, the utility model provides a common die frame injection mold, which comprises a main die frame and a die cavity module arranged in the main die frame, wherein the die cavity module is detachably arranged in the main die frame, and one end of the main die frame is detachably provided with an injection molding port which can be communicated with an inner cavity of the die cavity module; The cavity module comprises a runner plate, an upper cavity module and a lower cavity module, wherein the runner plate is covered at the top end of the upper cavity module, runners which are respectively communicated with an injection port and the upper cavity module are arranged in the runner plate, the lower cavity module is correspondingly arranged below the upper cavity module, and a product injection cavity is formed between the bottom end of the upper cavity module and the top end of the lower cavity module. In order to improve the processing efficiency and reduce the production cost, at least two sets of cavity modules are arranged in the main die frame. In order to facilitate disassembly and assembly, in a preferred embodiment of the present utility model, the upper cavity module comprises an upper cavity block, an upper sleeve block and an inner guide sleeve, the upper sleeve block is sleeved outside the upper cavity block, the inner guide sleeve is arranged in the upper cavity block, the inner guide sleeve penetrates through the top end and the bottom end of the upper cavity block, and a flow passage communicated with a flow passage plate and a flow passage of a product injection cavity are arranged in the inner guide sleeve. The lower cavity module comprises a lower cavity block, a lower sleeve block and an inner sleeve block, wherein the lower cavity block is sleeved outside the inner sleeve block, the lower sleeve block is sleeved outside the inner sleeve block, the top end face of the lower sleeve block is connected with the bottom end faces of the upper cavity block and the upper sleeve block, and a product injection cavity is formed among the lower cavity block, the lower sleeve block, the inner sleeve block and the upper cavity block. Preferably, the main die frame comprises an upper die fixing plate, a lower die fixing plate, an upper die cavity mounting plate, a lower die cavity mounting plate, a water gap plate, a thimble cover plate, a thimble plate and a lower support plate, wherein the water gap plate is fixed at the bottom end of the upper die fixing plate, the upper die cavity mounting plate is arranged at the bottom end of the water gap plate, the upper die cavity mounting plate is sleeved outside the upper die cavity module, the lower die cavity mounting plate is arranged at the bottom end of the upper die cavity mounting plate, the lower die cavity mounting plate is sleeved outside the lower die cavity module, the lower support plate is arranged at the bottom end of the lower die cavity mounting plate, the lower support plate can compress the lower die cavity module, the lower support plate bottom end is provided with a plurality of thimble plate guide posts, the thimble plate is arranged at the top end of the thimble cover plate, the thimble plate can move up and down along the thimble plate guide posts, and the thimble plate top end is fixed with a plurality of thimbles, and the thimbles extend into the product injection molding cavity. In summary, the utility model has the following beneficial effects: (1) The mod