CN212419567U - Precise injection mold for hardware - Google Patents

Abstract

The utility model discloses an accurate injection mold of hardware, including last mould, cross gate and perpendicular runner, it has the sprue gate to go up mould upper end one side shaping, the sprue gate bottom is connected with the cross gate, the cross gate is inclined ramp, cross gate bottom intercommunication has perpendicular runner, the cross gate with perpendicular runner all take shape in go up in the mould. Has the advantages that: the utility model discloses a set the cross gate to slope ramp and help the molten metal to flow, be provided with two sets of vertical runners simultaneously, can guarantee pouring rate, and effectively avoid the molten metal temperature to run off, guarantee pouring quality, through setting up sealing ring, locating pin, locating hole, guarantee to go up to connect compactly between mould and the bed die, make both cooperations inseparabler, avoid producing the clearance, avoid taking place the type hourglass, improve the casting shaping precision.

Description

Precise injection mold for hardware

Technical Field

The utility model relates to a hardware injection mold technical field, concretely relates to accurate injection mold of hardware.

Background

Hardware is a tool obtained by processing and casting metals such as gold, silver, copper, iron, tin and the like, and is used for fixing objects, processing objects, decorating and the like.

At present, when the existing hardware injection mold is used for pouring, the flow rate is low, so that molten metal is cooled quickly, and the pouring rate and the pouring quality are influenced.

In addition, the alignment of the die cavities of the upper die and the lower die of the existing hardware injection mold is easy to cause deviation during pouring, gaps exist, and the molding leakage is easy to occur, so that the pouring quality is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, present a accurate injection mold of hardware, solved current hardware injection mold when pouring, the velocity of flow is slower for the molten metal cooling is fast, influences pouring speed and pouring quality's problem.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides an accurate injection mold of hardware, including last mould, cross gate and perpendicular watering, it has the sprue gate to go up mould upper end one side shaping, the sprue gate bottom is connected with the cross gate, the cross gate is inclined ramp, cross gate bottom intercommunication has the perpendicular watering, the cross gate with erect the equal shaping of watering in go up in the mould.

Further, the bottom end of the upper die is connected with a lower die through a clamping groove, a sealing ring is nested between the upper die and the lower die and is made of metal, a positioning pin is welded at the upper end of the lower die and penetrates through the sealing ring.

By adopting the technical scheme, through go up the mould with the bed die provides stable support, and the hardware shaping of being convenient for, through the sprue gate pours into the metal liquid into the mould, through the cross gate with the circulation of metal liquid of being convenient for of vertical runner, and then gets into the die cavity in the mould and cools off the shaping, the cross gate sets up to slope ramp and helps the metal liquid to flow, is provided with two sets simultaneously the vertical runner can guarantee pouring rate, can effectively avoid the metal liquid temperature to run off, guarantees the pouring quality, through the sealing ring can guarantee go up the mould with connect compactly between the bed die, avoid producing the clearance, through the locating pin can make go up the mould with the bed die cooperation is inseparabler, avoids taking place the type and leaks, improves the casting shaping precision.

Furthermore, the upper die is provided with a positioning hole corresponding to the positioning pin, and two sides of the upper end of the lower die are welded with guide pillars.

By adopting the technical scheme, the positioning holes are convenient for the positioning pins to be inserted, so that accurate positioning is realized, and the upper die and the lower die are guided to be matched through the guide pillars.

Furthermore, a guide post sleeve is nested in the position, corresponding to the guide post, of the bottom end of the upper die.

By adopting the technical scheme, the guide post is conveniently embedded into the guide post through the guide post sleeve.

Furthermore, an upper cooling channel is formed in the upper die, and a lower cooling channel is formed in the lower die.

Through adopting above-mentioned technical scheme, through go up cooling channel with cooling channel can pour into the coolant liquid into down, it is right respectively go up the mould with the lower mould cools off the cooling for the hardware shaping improves machining efficiency.

Furthermore, the two side walls of the lower die are connected with a lower handle through bolts, and the upper end of the upper die is connected with an upper handle through bolts.

By adopting the technical scheme, the lower die is convenient to carry through the lower handle, and the upper die is convenient to carry through the upper handle.

Furthermore, a bottom plate is welded at the bottom end of the lower die.

Through adopting above-mentioned technical scheme, through the bottom plate provides stable support.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. in order to solve the problems that when the existing hardware injection mold is used for pouring, the flow speed is low, so that the temperature of molten metal is quickly reduced, and the pouring rate and the pouring quality are influenced, the utility model discloses a cross runner is set into an inclined ramp to help the molten metal to flow, and two sets of vertical runners are arranged at the same time, so that the pouring rate can be ensured, the temperature loss of the molten metal is effectively avoided, and the pouring quality is ensured;

2. for solving current hardware injection mold about when the pouring die cavity of mould align and appear the deviation easily, there is the clearance, the easy type that takes place leaks, influences the problem of pouring quality, the utility model discloses a set up sealing ring, locating pin, locating hole, guarantee to connect compactly between mould and the bed die, make both cooperations inseparabler, avoid producing the clearance, avoid taking place the type and leak, improve the casting shaping precision.

Drawings

FIG. 1 is a schematic structural view of a precision injection mold for hardware according to the present invention;

FIG. 2 is a top view of a sealing ring in the precision injection mold for hardware according to the present invention;

fig. 3 is an enlarged view of a position a in fig. 1 in the precision injection mold for hardware of the present invention.

The reference numerals are explained below:

1. an upper handle; 2. a vertical pouring channel; 3. an upper die; 4. an upper cooling channel; 5. a guide post sleeve; 6. a guide post; 7. positioning holes; 8. a seal ring; 9. positioning pins; 10. a lower cooling channel; 11. a base plate; 12. a lower die; 13. a lower handle; 14. a cross gate; 15. and a pouring gate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the precision injection mold for hardware in this embodiment includes an upper mold 3, a horizontal runner 14 and a vertical runner 2, a sprue gate 15 is formed on one side of the upper end of the upper mold 3, the bottom end of the sprue gate 15 is connected with the horizontal runner 14, the horizontal runner 14 is an inclined ramp, the bottom end of the horizontal runner 14 is communicated with the vertical runner 2, the horizontal runner 14 and the vertical runner 2 are both formed in the upper mold 3, the bottom end of the upper mold 3 is connected with a lower mold 12 through a clamping groove, a sealing ring 8 is nested between the upper mold 3 and the lower mold 12, the sealing ring 8 is made of metal, a positioning pin 9 is welded on the upper end of the lower mold 12, the positioning pin 9 penetrates through the sealing ring 8, stable support is provided through the upper mold 3 and the lower mold 12, hardware molding is facilitated, molten metal is injected into the mold through the sprue gate 15, the molten metal is convenient to circulate through the horizontal runner 14 and, the cross gate 14 is set to the inclined ramp and helps the molten metal to flow, be provided with two sets of vertical runners 2 simultaneously, can guarantee pouring rate, can effectively avoid molten metal temperature to run off, guarantee pouring quality, can guarantee to connect compactly between mould 3 and the bed die 12 through sealing ring 8, avoid producing the clearance, can make mould 3 and bed die 12 cooperation inseparabler through locating pin 9, avoid taking place the type hourglass, improve the casting shaping precision, there is lower handle 13 through bolted connection on the 12 both sides wall of bed die, there is upper handle 1 upper end through bolted connection in the upper mould 3, be convenient for carry bed die 12 through lower handle 13, be convenient for carry upper mould 3 through upper handle 1, the welding of 12 bottom ends of bed die has bottom plate 11, provide stable support through bottom plate 11.

As shown in fig. 1 and 3, in this embodiment, the upper mold 3 is formed with a positioning hole 7 corresponding to the positioning pin 9, guide posts 6 are welded on two sides of the upper end of the lower mold 12, the positioning pin 9 can be conveniently inserted through the positioning hole 7, accurate positioning can be easily realized, the upper mold 3 and the lower mold 12 are guided to be matched through the guide posts 6, a guide post sleeve 5 is nested in the position of the bottom end of the upper mold 3 corresponding to the guide post 6, and the guide post 6 can be conveniently embedded through the guide post sleeve 5.

As shown in fig. 1, in this embodiment, an upper cooling channel 4 is formed in the upper mold 3, a lower cooling channel 10 is formed in the lower mold 12, and cooling liquid can be injected through the upper cooling channel 4 and the lower cooling channel 10 to cool the upper mold 3 and the lower mold 12 respectively, so as to accelerate the molding of hardware and improve the processing efficiency.

The specific implementation process of this embodiment is as follows: the upper die 3 and the lower die 12 are guided to be matched and connected through the guide post 6 and the guide post sleeve 5, the die cavities in the upper die 3 and the lower die 12 can be connected compactly through the sealing ring 8, a gap is avoided, the upper die 3 and the lower die 12 can be matched more closely through the positioning pin 9 and the positioning hole 7, the generation of leakage is avoided, the casting forming precision is improved, then the metal liquid is injected into the die through the pouring gate 15, the metal liquid can be conveniently circulated through the horizontal runner 14 and the vertical runner 2, and then the metal liquid enters the die cavity in the die for cooling forming, the horizontal runner 14 is set into the inclined ramp to facilitate the metal liquid flowing, the two sets of vertical runners 2 are arranged at the same time, the casting speed can be ensured, the metal liquid temperature loss can be effectively avoided, the casting quality is ensured, after the metal liquid is cast, the upper die 3 and the lower die 12 are respectively injected with the cooling liquid through, carry out cooling for the hardware shaping improves machining efficiency, is convenient for carry lower mould 12 and last mould 3 through lower handle 13 and last handle 1, improves the convenience that the mould used.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims (7)

1. The utility model provides a precision injection mold of hardware which characterized in that: the pouring gate structure comprises an upper die (3), a cross gate (14) and a vertical gate (2), wherein a pouring gate (15) is formed on one side of the upper end of the upper die (3), the bottom end of the pouring gate (15) is connected with the cross gate (14), the cross gate (14) is an inclined ramp, the bottom end of the cross gate (14) is communicated with the vertical gate (2), and the cross gate (14) and the vertical gate (2) are formed in the upper die (3).

2. The precision injection mold for hardware according to claim 1, characterized in that: go up mould (3) bottom and be connected with bed die (12) through the draw-in groove, go up mould (3) with nested sealing ring (8) that have between bed die (12), sealing ring (8) are the metal material, the welding of bed die (12) upper end has locating pin (9), locating pin (9) are passed sealing ring (8).

3. The precision injection mold for hardware according to claim 2, characterized in that: the upper die (3) is provided with a positioning hole (7) corresponding to the positioning pin (9), and guide columns (6) are welded on two sides of the upper end of the lower die (12).

4. The precision injection mold for hardware according to claim 3, characterized in that: a guide post sleeve (5) is nested in the position, corresponding to the guide post (6), of the bottom end of the upper die (3).

5. The precision injection mold for hardware according to claim 2, characterized in that: an upper cooling channel (4) is formed in the upper die (3), and a lower cooling channel (10) is formed in the lower die (12).

6. The precision injection mold for hardware according to claim 2, characterized in that: the two side walls of the lower die (12) are connected with a lower handle (13) through bolts, and the upper end of the upper die (3) is connected with an upper handle (1) through bolts.

7. The precision injection mold for hardware according to claim 2, characterized in that: the bottom end of the lower die (12) is welded with a bottom plate (11).

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