CN215882423U

CN215882423U - Cold runner injection mold with circulative cooling structure

Info

Publication number: CN215882423U
Application number: CN202122430015.XU
Authority: CN
Inventors: 肖兵
Original assignee: Shenzhen Qunchuang Electronics Co ltd
Current assignee: Shenzhen Qunchuang Electronics Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-22
Anticipated expiration: 2031-10-09

Abstract

The utility model provides a cold runner injection mold with a circulating cooling structure, which comprises: the base, one side welded connection of base outside has the baffle, one side of base outside just is located welded connection between the baffle and has the guide pillar, and the quantity of guide pillar is four, four the outside cover of guide pillar is equipped with buffer spring. The cold runner injection mold with the circulating cooling structure provided by the utility model is provided with the cooling mechanism, cooling liquid enters the liquid inlet pipe, the lower mold base is cooled through the condenser pipe and then flows out through the liquid outlet pipe, the circulating cooling effect is realized, parts can be rapidly cooled and molded, meanwhile, when the upper mold base approaches the lower mold base, the ejector rod is in contact with the limiting groove arranged outside the movable plate, the movable plate is driven to move, the buffer spring is compressed, the discharge rod moves along with the movable plate, and when the upper mold base leaves, the movable plate is ejected out due to the reset of the buffer spring, the discharge rod moves, the cooled parts are ejected out, and the blanking effect is realized.

Description

Cold runner injection mold with circulative cooling structure

Technical Field

The utility model relates to the field of injection molds, in particular to a cold runner injection mold with a circulating cooling structure.

Background

The injection mold is manufactured by adding plastic into a mold, continuously rotating the mold along two vertical axes and heating the mold, gradually and uniformly coating and melting the plastic in the mold on the whole surface of the mold cavity under the action of gravity and heat energy, forming the plastic into a required shape, and cooling and shaping the plastic.

But current injection mold does not possess the circulative cooling structure, leads to the cooling shaping that the part can not be quick to make the part when dropping or directly put easy deformation damage, lead to the part unable to use, the part of not being convenient for simultaneously takes out, lead to the problem of mould damage.

Therefore, it is necessary to provide a cold runner injection mold with a circulating cooling structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cold runner injection mold with a circulating cooling structure, which solves the problems that an existing injection mold is not provided with the circulating cooling structure, parts cannot be rapidly cooled and molded, the parts are easy to deform and damage when falling or being directly placed, the parts cannot be used, and the parts are inconvenient to take out and the mold is damaged.

The utility model provides a cold runner injection mold with a circulating cooling structure, which comprises: a base, wherein one side of the outside of the base is welded with a baffle, a guide post is welded and connected between the baffles at one side of the outside of the base, the number of the guide posts is four, the buffer springs are sleeved outside the four guide posts, the moving plate penetrates through the outer parts of the four guide posts and is positioned on the right sides of the buffer springs, a discharging rod is welded and connected at the central point of one side of the outer part of the movable plate, a limiting groove is arranged at one side of the outer part of the movable plate and positioned outside the discharging rod, the number of the limiting grooves is four, one end of each guide post is fixedly connected with a lower die holder, one side of the outer part of the lower die holder is provided with a first through hole, the number of the first through holes is four, a die groove is arranged at the central point of one side of the outer part of the lower die base, and a second through hole is formed in the central point of the die groove, and a cooling mechanism is arranged in the lower die seat.

Preferably, ejector rods are arranged inside the four first through holes, one ends of the four ejector rods are connected with an upper die base in a welding mode, and a feeding pipe is arranged on one side of the outer portion of the upper die base.

Preferably, the cooling mechanism includes the feed liquor pipe, the top at the die holder is installed to the embedded top at the lower bolster of feed liquor pipe, the one end of feed liquor pipe and the inside that is located the die holder are equipped with the condenser pipe, the one end of condenser pipe is equipped with the drain pipe.

Preferably, the liquid outlet pipe is connected with the lower die base in an embedded mode, and the liquid inlet pipe is communicated with the liquid outlet pipe through a condensation pipe.

Preferably, the inner size of the limiting groove is matched with the outer size of the ejector rod, and the inner size of the second through hole is matched with the outer size of the discharging rod.

Preferably, the center line of the die groove and the center line of the feeding pipe are overlapped, and the moving plate and the base form a translation structure through the guide pillar.

Compared with the related art, the cold runner injection mold with the circulating cooling structure provided by the utility model has the following beneficial effects:

this injection mold possesses cooling body, feed liquor pipe department gets into the coolant liquid, carry out cooling treatment to the die holder through the condenser pipe, the rethread drain pipe flows, play circulative cooling's effect, can cool off the shaping to the part fast, when the upper die base is close to the die holder simultaneously, the ejector pin contacts with the spacing groove that the movable plate outside was seted up, it removes to drive the movable plate, buffer spring compresses, the discharge bar moves along with the movable plate, when the upper die base leaves, because buffer spring resets, it is ejecting to the movable plate, the discharge bar removes, it is ejecting with refrigerated part, play the effect of unloading.

Drawings

FIG. 1 is a schematic structural diagram of a cold runner injection mold with a circulating cooling structure according to a preferred embodiment of the present invention;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic view of the disassembled structure shown in FIG. 1;

fig. 4 is a schematic structural view of the cooling mechanism shown in fig. 1.

In the figure: 1. a base; 2. a baffle plate; 3. a guide post; 4. a buffer spring; 5. moving the plate; 6. a discharge rod; 7. a limiting groove; 8. a lower die holder; 9. a first through hole; 10. a mold slot; 11. a second through hole; 12. a cooling mechanism; 121. a liquid inlet pipe; 122. a condenser tube; 123. a liquid outlet pipe; 13. an upper die holder; 14. a top rod; 15. and a feeding pipe.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a schematic structural diagram of a cold runner injection mold with a circulating cooling structure according to a preferred embodiment of the present invention; FIG. 2 is a schematic side view of the structure of FIG. 1; FIG. 3 is a schematic view of the disassembled structure shown in FIG. 1; fig. 4 is a schematic structural view of the cooling mechanism shown in fig. 1, and a cold runner injection mold with a circulating cooling structure includes: a base 1, a baffle 2 is welded and connected on one side of the outer part of the base 1, a guide post 3 is welded and connected on one side of the outer part of the base 1 and between the baffle 2, the number of the guide posts 3 is four, the buffer springs 4 are sleeved outside the four guide posts 3, the moving plate 5 penetrates through the outer parts of the four guide posts 3 and is positioned on the right side of the buffer springs 4, the central point of one side of the outer part of the moving plate 5 is welded and connected with the discharging rod 6, the limiting groove 7 is arranged on one side of the outer part of the moving plate 5 and is positioned on the outer part of the discharging rod 6, the number of the limiting grooves 7 is four, one end of each of the four guide posts 3 is fixedly connected with a lower die holder 8, one side of the outer part of the lower die holder 8 is provided with a first through hole 9, the number of the first through holes 9 is four, a die groove 10 is formed in the center of one side of the outer portion of the lower die holder 8, a second through hole 11 is formed in the center of the die groove 10, and a cooling mechanism 12 is arranged inside the lower die holder 8.

Ejector rods 14 are arranged inside the four first through holes 9, one ends of the four ejector rods 14 are connected with an upper die base 13 in a welding mode, and a feeding pipe 15 is arranged on one side of the outer portion of the upper die base 13.

Cooling body 12 includes feed liquor pipe 121, and embedded the installing at the top of die holder 8 of feed liquor pipe 121, the one end of feed liquor pipe 121 and the inside that is located die holder 8 are equipped with condenser pipe 122, and the one end of condenser pipe 122 is equipped with drain pipe 123.

For embedded being connected between drain pipe 123 and the lower die holder 8, through condenser pipe 122 intercommunication between feed liquor pipe 121 and the drain pipe 123, feed liquor pipe 121 department gets into the coolant liquid, carries out cooling treatment to lower die holder 8 through condenser pipe 122, and the rethread drain pipe 123 flows out, plays circulative cooling's effect.

The inner size of the limiting groove 7 is matched with the outer size of the ejector rod 14, the inner size of the second through hole 11 is matched with the outer size of the discharging rod 6, the position of the moving plate 5 can be changed through the ejector rod 14, and the structure is stable and safe to use.

The central line of the die groove 10 and the central line of the feeding pipe 15 coincide with each other, and the moving plate 5 forms a translation structure through the guide pillar 3 and the base 1, so that materials can uniformly enter the die groove 10, and then the die groove is cooled and formed.

The working principle of the cold runner injection mold with the circulating cooling structure provided by the utility model is as follows:

install injection mold and injection molding machine, when upper die base 13 is close to lower die base 8, ejector pin 14 contacts with limiting groove 7 that movable plate 5 outside was seted up, drive movable plate 5 and remove, buffer spring 4 compresses, discharge bar 6 removes along with

movable plate

5, 15 departments of pan feeding pipe get into the material this moment, feed liquor pipe 121 departments get into the coolant liquid simultaneously, carry out cooling treatment to lower die base 8 through condenser pipe 122, the rethread drain pipe 123 flows, play circulative cooling's effect, can cool off the shaping to the part fast, when upper die base 13 left, because buffer spring 4 resets, it is ejecting to move movable plate 5, discharge bar 6 removes, it is ejecting to push off the refrigerated part, play the effect of unloading, cooperation between ejector pin 14 and the first through-hole 9 has improved the precision that the mould was processed.

the existing injection mold is not provided with a circulating cooling structure, so that the parts cannot be rapidly cooled and formed, and the parts are easy to deform and damage when falling or being directly placed, so that the parts cannot be used, and the parts are inconvenient to take out, so that the mold is damaged, the injection mold is provided with a cooling mechanism 12, cooling liquid enters the liquid inlet pipe 121, the lower mold base 8 is cooled and cooled through the condensation pipe 122 and then flows out through the liquid outlet pipe 123, so that the circulating cooling effect is achieved, the parts can be rapidly cooled and formed, meanwhile, when the upper mold base 13 approaches the lower mold base 8, the ejector rod 14 is contacted with the limiting groove 7 arranged outside the movable plate 5 to drive the movable plate 5 to move, the buffer spring 4 is compressed, the discharge rod 6 moves along with the movable plate 5, when the upper mold base 13 leaves, the movable plate 5 is ejected out due to the reset of the buffer spring 4, and the discharge rod 6 moves, and ejecting the cooled parts to play a role in blanking.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A cold runner injection mold with a circulating cooling structure comprises: base (1), its characterized in that: the die comprises a base (1), baffles (2) are welded and connected to one side of the outer portion of the base (1), guide pillars (3) are welded and connected to one side of the outer portion of the base (1) and located between the baffles (2), the number of the guide pillars (3) is four, buffer springs (4) are sleeved on the outer portions of the four guide pillars (3), a movable plate (5) penetrates through the outer portions of the four guide pillars (3) and located on the right side of the buffer springs (4), a discharge rod (6) is welded and connected to the central point of one side of the outer portion of the movable plate (5), limiting grooves (7) are formed in one side of the outer portion of the movable plate (5) and located on the outer portion of the discharge rod (6), the number of the limiting grooves (7) is four, one end of each guide pillar (3) is fixedly connected with a lower die holder (8), first through holes (9) are formed in one side of the outer portion of the lower die holder (8), and the number of the first through holes (9) is four, a die groove (10) is formed in the center of one side of the outer portion of the lower die holder (8), a second through hole (11) is formed in the center of the die groove (10), and a cooling mechanism (12) is arranged inside the lower die holder (8).

2. The cold runner injection mold with the circulating cooling structure as claimed in claim 1, wherein ejector rods (14) are arranged inside the four first through holes (9), one end of each of the four ejector rods (14) is connected with an upper mold base (13) in a welded manner, and a feeding pipe (15) is arranged on one side of the outer portion of each upper mold base (13).

3. The cold runner injection mold with the circulating cooling structure as claimed in claim 1, wherein the cooling mechanism (12) comprises a liquid inlet pipe (121), the liquid inlet pipe (121) is installed at the top of the lower mold base (8) in an embedded manner, a condenser pipe (122) is arranged at one end of the liquid inlet pipe (121) and inside the lower mold base (8), and a liquid outlet pipe (123) is arranged at one end of the condenser pipe (122).

4. The cold runner injection mold with the circulating cooling structure as claimed in claim 3, wherein the liquid outlet pipe (123) is connected with the lower mold base (8) in an embedded manner, and the liquid inlet pipe (121) is communicated with the liquid outlet pipe (123) through a condensation pipe (122).

5. The cold runner injection mold with the circulating cooling structure as claimed in claim 1, wherein the inner dimension of the limiting groove (7) is matched with the outer dimension of the top bar (14), and the inner dimension of the second through hole (11) is matched with the outer dimension of the discharge bar (6).

6. The cold runner injection mold with the circulating cooling structure as claimed in claim 2, wherein the center line of the mold groove (10) and the center line of the feeding pipe (15) are coincident with each other, and the moving plate (5) forms a translation structure with the base (1) through the guide pillar (3).