CN215697878U

CN215697878U - Medical equipment upper cover deep hole position pressurize die mould

Info

Publication number: CN215697878U
Application number: CN202122088609.7U
Authority: CN
Inventors: 袁兴国; 吴俊军; 闫玉明
Original assignee: Kunshan Zidong Metal Products Co ltd
Current assignee: Kunshan Zidong Metal Products Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-01
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a pressure-maintaining die-casting die for deep hole positions of an upper cover of a medical apparatus, which comprises a die holder, a lower template, an upper die core, a lower die core, an ejector pin assembly and a guide rod guide sleeve assembly, wherein the upper die core is also provided with a pressure-maintaining die core for pressure-maintaining deep hole forming at one side of an upper half cavity, the pressure-maintaining die core is in nested fit with the upper die core in the vertical direction, the lower end surface of the pressure-maintaining die core and the lower end of the upper die core are combined into an upper complete upper half cavity of the upper cover of the medical apparatus to be die-cast, the periphery of a parting surface is provided with a plurality of overflow grooves and pressure relief holes, the upper end of the lower die core is provided with a lower half cavity, the lower die core is provided with a deep hole positioning pin for the deep hole positions of the upper cover of the medical apparatus to be formed, the die-casting die adopts a pressure casting mode, the overflow grooves are utilized to increase and design necessary slag packages and slag strips for pressure relief, and special positioning and reinforcement is made for the deep hole positions, the deep hole die-casting machine ensures that the raw material is die-cast and enters the deep hole cavity to be well formed, the precision is accurate, the deep hole forming effect is good, and the efficiency is extremely high.

Description

Medical equipment upper cover deep hole position pressurize die mould

Technical Field

The utility model relates to the technical field of dies, in particular to a pressure-maintaining die-casting die for a deep hole position of an upper cover of a medical device.

Background

The modern medical technology level is continuously promoted, the types of medical instruments required by corresponding medical treatment are continuously increased, and in order to meet the treatment of various difficult and complicated diseases, medical equipment is continuously updated to meet the requirements of modern medical treatment. The upper cover of the existing medical equipment needs to be filled with necessary medical medicaments, so that the upper cover has higher production specification precision requirements, particularly has extremely high requirement on the die-casting precision of deep holes, and the existing injection mould is easy to generate structural cracks in production and has poor hole site forming effect. Therefore, to produce and prepare the medical equipment upper cover which has high structural strength, is not easy to generate cracks and has good deep hole forming precision, I need to design a special die-casting mold to meet the technical requirements.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is as follows: in view of the technical requirements in the background technology, a pressure-maintaining die-casting die for deep hole positions of an upper cover of a medical apparatus is designed, the die comprises a die body and two cavities, a pressure casting mode is adopted for the upper cover of the medical apparatus with a thin structure, a primary pressure relief hole and a secondary pressure relief hole are additionally designed by utilizing a plurality of overflow grooves to form necessary slag ladles and slag strips, special positioning reinforcement is made for the deep hole positions to ensure that raw materials are well formed in the deep hole cavity after die casting, the precision is accurate, synchronous jacking is carried out on the thin-wall thick parts by utilizing a multi-point position jacking after die sinking, and synchronous jacking of the slag ladles is also included, so that the phenomenon that the thin-wall thick parts are not bent or cracked when the deep hole parts are not sufficiently cooled and formed after die sinking can be guaranteed, the deep hole forming effect is good, the time for restoring the deep holes in the post-treatment process is saved, the efficiency is extremely high, time and labor is saved, and the die is practical and convenient.

The technical scheme adopted for solving the problems is as follows:

a pressure-maintaining die-casting die for deep hole positions of an upper cover of a medical device comprises a die holder, a lower template, an upper die core, a lower die core, a thimble assembly and a guide rod guide sleeve assembly, wherein the lower template is fixed on the die holder, four corners of the die holder are fixedly connected with the guide rod guide sleeve assembly, the lower template and the upper template are sequentially sleeved on a guide rod from bottom to top, the lower die core is fixedly connected with the middle part of the upper end of the lower template, the upper die core is fixedly connected with the middle part of the lower end of the upper template, a pressure-maintaining die core for pressure-maintaining deep holes is further arranged on one side of the upper die core, which is attached to the upper half die cavity, the pressure-maintaining die core and the upper die core are in nested fit in the vertical direction, the lower end surface of the pressure-maintaining die core and the lower end of the upper die core are combined into a complete upper die cavity of the medical device to be subjected to die-casting forming,

a main pouring gate and a die-casting opening are arranged on one horizontal side of a parting surface formed by the upper die core and the lower die core, the die-casting opening is vertically upward and is fixedly connected with the upper die plate in a matching way, a plurality of overflow grooves and pressure relief holes are arranged on the periphery of the parting surface, the overflow grooves are used for receiving overflowed die-casting liquid, a slag ladle is formed after cooling forming, the pressure relief holes are divided into a first-level pressure relief hole and a second-level pressure relief hole, the front end of the first-level pressure relief hole is communicated with the overflow groove, the rear end of the first-level pressure relief hole is communicated with the second-level pressure relief hole, so that residual materials in the overflow grooves form a slag ladle, and the residual materials overflow to the pressure relief hole part form slag strips,

the upper end of the lower die core is provided with a lower half cavity of a medical equipment upper cover to be formed by die casting, the upper half cavity and the lower half cavity form a complete medical equipment upper cover cavity integrally, the upper die core and the lower die core are combined to be provided with two acupuncture points, the lower die core is provided with a special deep hole positioning pin for the deep hole position of the medical equipment upper cover to be formed, the deep hole positioning pin is inserted in the lower die core, and another deep hole positioning pin is replaced after a certain number of deep hole positioning pins are formed by die casting so as to ensure good deep hole forming precision, the acupuncture points are communicated with a pouring gate, the pouring gate is communicated with a die casting port and used for pouring high-pressure pouring liquid, and the lower end of the lower die core is provided with a thimble assembly in the vertical direction,

the thimble assembly comprises a plurality of thimbles and thimble push plates, the thimbles are positioned and fixed by the thimble push plates and are opposite to the pushing parts and all overflow groove parts of the upper cover of the medical equipment to be molded in the cavity.

Furthermore, cooling water pipelines are arranged in the upper die core and the lower die core, and cooling water is filled into the upper die core and the lower die core through external water inlets and flows out of water outlets.

Furthermore, the upper cover of the medical equipment comprises a semicircular thin-wall part, the lower die core is provided with a plurality of thimble holes right facing the semicircular thin-wall part, and the thimble holes are used for synchronously jacking up the slag ladle at one side when the die is opened.

Further, the cross section exhaust area of the first-stage pressure relief hole is larger than that of the second-stage pressure relief hole.

The utility model has the beneficial effects that:

this medical equipment upper cover deep hole position pressurize die casting mould adopts the pressure casting mode, and utilize a plurality of overflow launders to increase and design one-level pressure release hole and second grade pressure release hole and form necessary cinder ladle and sediment strip, and do well special location reinforcement to the deep hole position, it is intact to ensure that raw materials die-casting gets into the deep hole intracavity shaping, the precision is accurate, utilize multiple spot position top to carry out synchronous jack-up to thinner wall thickness position after the die sinking, also include the synchronous jack-up to the cinder ladle, just so just can guarantee that thinner wall thickness position does not take place to buckle or crackle phenomenon when the demolding still does not enough cooling design, deep hole shaping is effectual, save the time of restoreing the deep hole again in the aftertreatment process, and is efficient, time saving and labor saving, and is practical and convenient.

Drawings

FIG. 1 is a perspective view of a deep hole position pressure maintaining die casting mold for an upper cover of a medical apparatus in the embodiment;

fig. 2 is a perspective view of the medical device in the embodiment after the upper cover deep hole position pressure maintaining die casting die is removed from the upper template and the lower template;

fig. 3 is a top view of the medical device in the embodiment after the upper cover deep hole position pressure maintaining die casting die is removed from the upper template and the lower template;

FIG. 4 is a perspective view of the lower mold insert of this embodiment;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a side plan view of the medical device cover of the present embodiment;

FIG. 7 is a side bottom view of the medical device cover of the present embodiment;

the device comprises a base, a guide rod, a guide sleeve assembly, a lower template, a thimble push plate, a push guide rod, a die holder, a die casting port, a lower die core cavity, a pressure overflow groove, a thimble, a lower die core, a runner, a pressure maintaining die core, a first-stage pressure relief hole, a second-stage pressure relief hole, a medical equipment upper cover, a deep hole positioning pin, a deep hole edge cavity, a right-angle inverted hook, a deep hole positioning pin, a deep hole edge cavity, a right-angle inverted hook, a deep hole positioning pin, a deep hole edge cavity, a right-angle inverted hook, a deep hole edge cavity, a deep hole edge, a deep hole and a deep hole, wherein the top hole is 1-hole, the deep hole is formed in the base, the deep hole is formed in the top surface of the base, the deep hole is formed in the deep hole, and the deep hole, the deep hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-7, the embodiment provides a deep hole 21-position pressure maintaining die casting mold for an upper cover 16 of a medical apparatus, which includes a mold base 6, a lower template 3, an upper template 1, an upper mold core, a lower mold core 11, an ejector pin 10 assembly and a guide rod guide sleeve assembly 2, wherein the lower template 3 is fixed on the mold base 6, four corners of the mold base 6 are fixedly connected with the guide rod guide sleeve assembly 2, the lower template 3 and the upper template 1 are sequentially sleeved on a guide rod from bottom to top, the lower mold core 11 is fixedly connected to the middle part of the upper end of the lower template 3, the upper mold core is fixedly connected to the middle part of the lower end of the upper template 1, a mold core 13 for pressure maintaining and forming the deep hole 21 is further arranged on one side of the upper mold core, the pressure maintaining mold core 13 is in nested fit with the upper mold core in the vertical direction, and the lower end surface of the pressure maintaining mold core 13 and the lower end of the upper mold core form a complete upper cavity of the upper cover 16 of the medical apparatus to be die cast and formed.

Referring to fig. 2 and 3, a main pouring gate 12 and a die-casting port 7 are arranged on one horizontal side of a parting surface formed by the upper die core and the lower die core 11, the die-casting port 7 is vertically upward and is fixedly connected with the upper die plate 1 in a matched manner, a plurality of overflow grooves 9 and pressure relief holes are formed in the periphery of the parting surface, the overflow grooves 9 are used for receiving overflowing die-casting liquid, a slag ladle is formed after cooling forming, the pressure relief holes are divided into first-stage pressure relief holes 14 and second-stage pressure relief holes 15, the front ends of the first-stage pressure relief holes 14 are communicated with the overflow grooves 9, and the rear ends of the first-stage pressure relief holes 14 are communicated with the second-stage pressure relief holes 15, so that residual materials in the overflow grooves 9 form slag ladles and overflow to the pressure relief hole parts to form slag strips.

Referring to fig. 2, 3, 4 and 5, a lower half cavity of an upper cover 16 of a medical apparatus to be die-cast is arranged at the upper end of a lower die core 11, the upper half cavity and the lower half cavity form a complete cavity of the upper cover 16 of the medical apparatus integrally, an upper die core and the lower die core 11 are provided with two acupuncture points in a combined manner, the lower die core 11 is provided with a special deep hole positioning pin 17 for a deep hole 21 of the upper cover 16 of the medical apparatus to be formed, the deep hole positioning pin 17 is inserted into the lower die core 11, and another deep hole positioning pin 17 is replaced after a certain amount of die-casting forming is performed, so as to ensure good forming precision of the deep hole 21, a pouring gate 12 is communicated between the acupuncture points, the pouring gate 12 is communicated with a die-casting port 7 and used for pouring high-pressure casting liquid, a thimble 10 assembly is arranged in the vertical direction at the lower end of the lower die core 11, the thimble 10 assembly comprises a plurality of thimbles 10 and a thimble 10 push plate 4, the thimble 10 is positioned and fixed by a push plate 4 of the thimble 10 and is aligned with the pushing part of the medical equipment upper cover 16 to be formed in the cavity and all overflow chutes 9.

The further embodiment is that cooling water pipelines are arranged in the upper die core and the lower die core 11, and cooling water is filled into the upper die core and the lower die core through external water inlets and flows out of water outlets.

In a further embodiment, the medical equipment upper cover 16 comprises a semicircular thin-wall part, the lower die core 11 is provided with a plurality of thimble holes right opposite to the semicircular thin-wall part, and the thimble 10 is used for synchronously jacking up a slag ladle at one side during die opening.

The further implementation scheme is that the cross section exhaust area of the first-stage pressure relief hole 14 is larger than that of the second-stage pressure relief hole 15, so that the second-stage pressure relief hole can continuously intercept liquid raw materials under the condition that the raw materials are limited in the first-stage pressure relief hole, and the inner structure of the cavity is fully filled.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, the scope of the present invention being defined by the appended claims and their equivalents.

Claims

1. The utility model provides a medical equipment upper cover deep hole position pressurize die casting die, includes die holder, lower bolster, cope match-plate pattern, upper mold benevolence, lower mould benevolence, thimble assembly and guide arm guide pin bushing subassembly, its characterized in that:

the lower die plate is fixed on the die holder, four corners of the die holder are fixedly connected with guide rod and guide sleeve assemblies, the lower die plate and the upper die plate are sequentially sleeved on the guide rods from bottom to top, the middle part of the upper end of the lower die plate is fixedly connected with a lower die core, the middle part of the lower end of the upper die plate is fixedly connected with an upper die core, one side of the upper die core, which is attached to the upper half die cavity, is also provided with a pressure maintaining die core for pressure maintaining and forming a deep hole, the pressure maintaining die core and the upper die core are in nested fit in the vertical direction, the lower end surface of the pressure maintaining die core and the lower end of the upper die core are combined into the upper half die cavity with a complete upper cover of a medical device to be subjected to die casting and forming,

a main pouring gate and a die-casting opening are arranged on one horizontal side of a parting surface formed by the upper die core and the lower die core, the die-casting opening is vertically upward and is fixedly connected with the upper die plate in a matching way, a plurality of overflow grooves and pressure relief holes are arranged on the periphery of the parting surface, the overflow grooves are used for receiving overflowed die-casting liquid and forming a slag ladle after cooling forming, the pressure relief holes are divided into a first-level pressure relief hole and a second-level pressure relief hole, the front end of the first-level pressure relief hole is communicated with the overflow grooves, the rear end of the first-level pressure relief hole is communicated with the second-level pressure relief hole, so that residual materials in the overflow grooves form slag ladles, and the residual materials overflow to the pressure relief hole parts form slag strips,

the upper end of the lower die core is provided with a lower half cavity of a medical equipment upper cover to be formed by die casting, the upper half cavity and the lower half cavity integrally form a complete medical equipment upper cover cavity, two acupuncture points are formed by combining the upper die core and the lower die core, a special deep hole positioning pin is arranged at the deep hole position of the lower die core for the medical equipment upper cover to be formed, the deep hole positioning pin is inserted in the lower die core, another deep hole positioning pin is replaced after a certain amount of the deep hole positioning pin is formed by die casting, a pouring channel is communicated among the acupuncture points and communicated with a die casting port, and a thimble assembly is arranged in the vertical direction of the lower end of the lower die core.

2. The medical equipment upper cover deep hole position pressure-maintaining die-casting die of claim 1, which is characterized in that: the thimble assembly comprises a plurality of thimbles and thimble push plates, the thimbles are positioned and fixed by the thimble push plates and are opposite to the pushing parts and all overflow groove parts of the upper cover of the medical equipment to be molded in the cavity.

3. The medical equipment upper cover deep hole position pressure-maintaining die-casting die of claim 1, which is characterized in that: and cooling water pipelines are arranged in the upper die core and the lower die core, and cooling water is filled into the upper die core and the lower die core through external water inlets and flows out from water outlets.

4. The medical equipment upper cover deep hole position pressure-maintaining die-casting die of claim 1, which is characterized in that: the upper cover of the medical equipment comprises a semicircular thin-wall part, the lower die core is provided with a plurality of thimble holes right facing the semicircular thin-wall part, and the thimble holes are used for synchronously jacking up the slag ladle at one side when the die is opened.

5. The medical equipment upper cover deep hole position pressure-maintaining die-casting die of claim 1, which is characterized in that: the cross section exhaust area of the first-stage pressure relief hole is larger than that of the second-stage pressure relief hole.