CN216267320U

CN216267320U - Precision mold capable of realizing rapid demolding and discharging

Info

Publication number: CN216267320U
Application number: CN202122606498.4U
Authority: CN
Inventors: 韦克锋
Original assignee: Dongguan Yongzhuo Mould Technology Co ltd
Current assignee: Dongguan Yongzhuo Mould Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-12
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a precision die capable of quickly demoulding and discharging, and relates to the field of dies. The utility model comprises a bottom plate, an upper die and a lower die, wherein the lower die is arranged at the axis of the top of the bottom plate, a limiting groove is formed in the axis of the lower die, a limiting block slides in the limiting groove, a push rod is fixed at the top of the limiting block, a return spring is sleeved on the outer side of the push rod, a top block is fixed at the top of the push rod, an outer liner is sleeved on the outer side of the lower die, a plenum chamber is formed in the outer liner, an upright post is arranged in the plenum chamber, the bottom of the upright post is fixedly connected with the bottom plate, a sliding block is arranged on the outer side of the outer liner, a sliding groove is formed in the outer side of the sliding block, and an air pump is arranged at one end of the top of the bottom plate. Utility model discloses a cause outer courage and kicking block to shift up in step through the produced air current of air pump, carry out the mechanical force to the produced mould that will mould plastics and promote, dissect inside the bed die with it completely, realize the effect of the ejection of compact of quick drawing of patterns.

Description

Precision mold capable of realizing rapid demolding and discharging

Technical Field

The utility model relates to the field of dies, in particular to a precision die capable of quickly demoulding and discharging.

Background

The die is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. With the development of society, the requirement on the precision of the die is higher and higher, and the precision die is more and more important.

According to examining and discovering, chinese patent that patent number is CN201920611538.4 discloses a car precision parts precision mold, it is through setting up the mould, the bed die, the kelly, the draw-in groove, the cooperation of reference column and through-hole is used, make car precision parts precision mold possess the advantage of convenient dismantlement, user's work load has been reduced, user's work efficiency has been improved, the dismantlement of giving the user has brought very big facility, but this patent still has the problem, its structure is too complicated, need carry out the purpose that mutual linkage cooperation could reach convenient to dismantle through a plurality of structures, and only the mechanical effort through the cylinder, can't satisfy quick drawing of patterns, the finished product of moulding plastics still very easy adhesion is in the shaping chamber, lead to ejection of compact efficiency extremely low.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a precision die capable of rapidly demoulding and discharging, so as to solve the problems that the structure is too complex, and rapid demoulding cannot be met, so that the discharging efficiency is extremely low.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an accurate mould of ejection of compact of can fast demoulding, includes bottom plate, last mould and bed die, the axle center department at bottom plate top installs the bed die, the spacing groove has been seted up to the axle center department of bed die, the inside of spacing groove slides and has limited block, the top of limited block is fixed with the push rod, the outside cover of push rod is equipped with reset spring, the top of push rod is fixed with the kicking block, the outside cover of bed die is equipped with outer courage, the plenum chamber has been seted up to the inside of outer courage, the inside of plenum chamber is provided with the stand, and the bottom of stand is fixed connection with the bottom plate, the outside of outer courage is provided with the slider, the outside of slider is provided with the spout, the air pump is installed to the one end at bottom plate top. The electro-hydraulic pressure rod and the air pump are respectively electrically connected with an external power supply through a control switch; and the electro-hydraulic pressure rod is in driving connection with the upper die.

Through adopting above-mentioned technical scheme, the staff arouses outer courage and kicking block to shift up in step through the produced air current of air pump, carries out mechanical force to the produced mould that will mould plastics and promotes, dissects inside the bed die with it completely, realizes the effect of the ejection of compact of drawing of patterns fast.

Furthermore, support frames are installed at two ends of the top of the bottom plate, an electro-hydraulic pressure rod is installed at the axis of the top of the support frame, an upper die is installed at the bottom of the electro-hydraulic pressure rod, sleeves are fixed at two ends of the upper die, and the sleeves are connected with support legs in the support frames in a sliding mode.

Through adopting above-mentioned technical scheme, can start the back at the electricity liquid depression bar, round trip movement about the mould goes on in the drive, simultaneously, strengthens its stability at the lift in-process, makes the laminating of upper and lower mould more accurate, improves the injection moulding quality of mould.

Furthermore, the output end of the air pump is communicated with an air pipe, the output end of the air pipe is communicated with three branch pipes, one branch pipe is communicated with the limiting groove, the other two branch pipes are communicated with the upright post, and a sealing ring is arranged at a crack between the three branch pipes and the joint of other structures.

Through adopting above-mentioned technical scheme, make the produced air current of air pump smoothly carry to spacing groove and stand in to realize the effect of follow-up quick drawing of patterns, simultaneously, the sealing washer can strengthen the gas tightness between branch pipe and other structural connection departments, avoids revealing of air current, the not good condition of drawing of patterns effect appears.

Further, a plurality of conical air holes are formed in the outer surface of the stand column, and a sealing strip is arranged at the connecting position between the stand column and the plenum chamber.

Through adopting above-mentioned technical scheme, make the air current in the stand smoothly carry to the plenum chamber in, guarantee the leakproofness of outer courage in carrying out the lift removal in-process, promoted the efficiency of mould ejection of compact.

Furthermore, the sliding block is connected with the sliding groove in a sliding mode, and the sliding groove is formed in the inner side of the supporting frame and the outer side of the lower die.

Through adopting above-mentioned technical scheme, make outer courage can be more stable carrying out the lift removal in-process, reduced the frictional force between its and the exterior structure, improve the efficiency that outer courage rose, can break away from the border of mould in advance, make the service efficiency of kicking block exert to the biggest.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, through the outer container, the air pump enables the generated air flow to be conveyed into the upright post through the air conveying pipe and the branch pipe, and then the air flow is transmitted into the plenum chamber through the plurality of air holes, so that the interior of the plenum chamber is continuously filled with air, the outer container gradually moves upwards through the sliding fit of the sliding block in the sliding groove, the edge of the injection molding finished product in the lower mold is pried, the edge of the injection molding finished product can be separated from the mold in advance, a good auxiliary effect is provided for the complete separation of the subsequent finished product, and the demolding efficiency and the completeness are improved.

2. According to the utility model, through the ejector block, the branch pipe can also be conveyed into the limiting groove to impact the limiting block, so that the limiting block is moved upwards under stress to squeeze the return spring to shrink, further the push rod and the ejector block are driven to be synchronously pushed upwards, and under the condition that the air pump continuously conveys air flow, the bottom of the injection molding finished product is completely separated from the lower mold, the action of the air flow can be comprehensively utilized, the demolding effect of the mold is greatly enhanced, the discharging is faster, and the effect is better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a base plate; 2. an upper die; 3. a lower die; 4. a support frame; 5. an electro-hydraulic pressure lever; 6. a sleeve; 7. an outer liner; 8. a plenum chamber; 9. a slider; 10. a chute; 11. a column; 1101. air holes; 12. an air pump; 1201. a gas delivery pipe; 1202. a branch pipe; 13. a limiting groove; 14. a limiting block; 15. a push rod; 16. a return spring; 17. and (7) a top block.

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. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

The utility model provides a precision mold of ejection of compact of can drawing of patterns fast, as shown in fig. 1-4, comprising a base plate 1, go up mould 2 and bed die 3, bed die 3 is installed to the axle center department at bed die 1 top, spacing groove 13 has been seted up to the axle center department of bed die 3, the inside of spacing groove 13 slides and has had spacing piece 14, the top of spacing piece 14 is fixed with push rod 15, the outside cover of push rod 15 is equipped with reset spring 16, the top of push rod 15 is fixed with kicking block 17, the outside cover of bed die 3 is equipped with outer courage 7, plenum chamber 8 has been seted up to the inside of outer courage 7, plenum chamber 8's inside is provided with stand 11, and stand 11's bottom is fixed connection with bed die 1, the outside of outer courage 7 is provided with slider 9, the outside of slider 9 is provided with spout 10, air pump 12 is installed to the one end at bed die 1 top. The electro-hydraulic pressure rod 5 and the air pump 12 are respectively electrically connected with an external power supply through a control switch; and the electro-hydraulic pressure rod 5 is in driving connection with the upper die 2.

Referring to fig. 1-2, support frames 4 are installed at two ends of the top of a bottom plate 1, an electro-hydraulic pressure rod 5 is installed at the axis of the top of the support frame 4, an upper mold 2 is installed at the bottom of the electro-hydraulic pressure rod 5, sleeves 6 are fixed at two ends of the upper mold 2, and the sleeves 6 are connected with support legs in the support frame 4 in a sliding mode, so that the upper mold 2 can be driven to move back and forth up and down after the electro-hydraulic pressure rod 5 is started, and meanwhile, the stability of the upper mold and the lower mold in the lifting process is enhanced, so that the upper mold and the lower mold are more accurately attached, and the injection molding quality of the molds is improved.

Referring to fig. 2, the output end of the air pump 12 is communicated with an air pipe 1201, the output end of the air pipe 1201 is communicated with three branch pipes 1202, one branch pipe 1202 is communicated with the limiting groove 13, the other two branch pipes 1202 are communicated with the upright post 11, and a sealing ring is arranged at a gap between the three branch pipes 1202 and other structural joints, so that air flow generated by the air pump 12 can be smoothly conveyed to the limiting groove 13 and the upright post 11, thereby achieving the subsequent quick demolding effect, and meanwhile, the sealing ring can enhance the air tightness between the branch pipes 1202 and other structural joints, thereby avoiding leakage of the air flow and avoiding poor demolding effect.

Referring to fig. 3-4, a plurality of conical air holes 1101 are formed in the outer surface of the upright post 11, and a sealing strip is disposed at the joint between the upright post 11 and the plenum chamber 8, so that the air flow in the upright post 11 can be smoothly conveyed to the plenum chamber 8, the sealing performance of the outer container 7 during the lifting movement is ensured, and the discharging efficiency of the mold is improved. The sliding block 9 is connected with the sliding groove 10 in a sliding mode, and the sliding groove 10 is arranged on the inner side of the support frame 4 and the outer side of the lower die 3, so that the outer container 7 can be more stable in the lifting moving process, the friction force between the outer container and an external structure is reduced, the lifting efficiency of the outer container 7 is improved, the edge of the die can be separated in advance, and the using effect of the ejector block 17 is exerted to the maximum.

The implementation principle of the embodiment is as follows: firstly, starting the electro-hydraulic pressure rod 5, driving the upper die 2 to stably descend by matching with the sleeve 6 until the upper die 2 descends to a certain height, pouring injection molding liquid into a gap between the upper die 2 and the lower die 3, and after cooling for a period of time, starting the electro-hydraulic pressure rod 5 again to enable the upper die 2 to vertically ascend and to be far away from the lower die 3; then, the air pump 12 is started, so that the generated air flow is conveyed into the upright post 11 through the air conveying pipe 1201 and the branch pipe 1202, and is further conveyed into the plenum chamber 8 through the air holes 1101, so that the interior of the plenum chamber is continuously filled with air, the outer liner 7 is gradually moved upwards through the sliding fit of the sliding block 9 in the sliding groove 10, the edge of the injection molding finished product in the lower die 3 is pried, meanwhile, the branch pipe 1202 is also conveyed into the limiting groove 13 to impact the limiting block 14, so that the limiting block is moved upwards under stress to extrude the return spring 16 to contract, the push rod 15 and the ejector block 17 are driven to synchronously push upwards, and under the condition that the air pump 12 continuously conveys the air flow, the bottom of the injection molding finished product is completely separated from the lower die 3.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a precision mold of ability fast demoulding ejection of compact, includes bottom plate (1), goes up mould (2) and bed die (3), its characterized in that: a lower die (3) is arranged at the axis of the top of the bottom plate (1), a limit groove (13) is arranged at the axis of the lower die (3), a limiting block (14) slides in the limiting groove (13), a push rod (15) is fixed at the top of the limiting block (14), a return spring (16) is sleeved on the outer side of the push rod (15), a top block (17) is fixed on the top of the push rod (15), an outer container (7) is sleeved on the outer side of the lower die (3), a plenum chamber (8) is arranged inside the outer container (7), a stand column (11) is arranged inside the plenum chamber (8), the bottom of the upright post (11) is fixedly connected with the bottom plate (1), the outer side of the outer liner (7) is provided with a slide block (9), the outer side of the sliding block (9) is provided with a sliding groove (10), and one end of the top of the bottom plate (1) is provided with an air pump (12).

2. The precision mold capable of rapid demolding and discharging as claimed in claim 1, wherein: support frame (4) are installed at the both ends at bottom plate (1) top, the axle center department at support frame (4) top installs electric hydraulic pressure pole (5), mould (2) are installed to the bottom of electric hydraulic pressure pole (5), the both ends of going up mould (2) are fixed with sleeve (6), and sleeve (6) are connected for the sliding mode with the landing leg in support frame (4).

3. The precision mold capable of rapid demolding and discharging as claimed in claim 1, wherein: the output end of the air pump (12) is communicated with an air pipe (1201), the output end of the air pipe (1201) is communicated with three branch pipes (1202), one of the branch pipes (1202) is communicated with a limiting groove (13), the other two branch pipes (1202) are communicated with a vertical column (11), and sealing rings are arranged at seams between the three branch pipes (1202) and other structural joints.

4. The precision mold capable of rapid demolding and discharging as claimed in claim 1, wherein: a plurality of conical air holes (1101) are formed in the outer surface of the upright post (11), and sealing strips are arranged at the connecting positions between the upright post (11) and the plenum chamber (8).

5. The precision mold capable of rapid demolding and discharging as claimed in claim 1, wherein: the sliding block (9) is connected with the sliding groove (10) in a sliding mode, and the sliding groove (10) is arranged on the inner side of the supporting frame (4) and the outer side of the lower die (3).

6. The precision mold capable of rapid demolding and discharging as claimed in claim 2, wherein: the electro-hydraulic pressure rod (5) and the air pump (12) are respectively electrically connected with an external power supply through a control switch; and the electro-hydraulic pressure rod (5) is in driving connection with the upper die (2).