CN210552856U - Injection molding die capable of cooling cavity - Google Patents

Abstract

The utility model discloses a can carry out refrigerated injection mould to die cavity, including upper die base, lower cavity, inlet tube, outlet pipe and fin, be provided with the sprue in the middle of the positive of upper die base, and the below of sprue is provided with the spliced pole to the left and right sides of sprue all is provided with the cavity, the spliced pole is connected with the die holder through the spread groove, and the inside of die holder is seted up to the spread groove, lower cavity sets up in the middle of the positive of die holder, and the bottom of lower cavity is provided with the ejector pin, the fin sets up in the outside of last cavity, and is connected with the heat conduction pole between the inner wall of the top of fin and upper die base. This can carry out refrigerated mould notes mould to die cavity, the outside of going up the cavity is provided with the fin, and is provided with the heat conduction pole between fin and the upper die base inner wall, like this at the work piece forming process, can accelerate thermal giving off to accelerate the shaping progress of work piece.

Description

Injection molding die capable of cooling cavity

Technical Field

The utility model relates to an injection molding mould technical field specifically is an injection molding mould that can cool off to the die cavity.

Background

The injection mold is widely applied to the production and processing of workpieces, is a method used for mass production of parts with certain shapes, and is required to be used for producing parts with different shapes.

However, the existing injection mold still has some disadvantages in the using process, for example, the heat dissipation progress of the mold cavity is relatively slow, which reduces the speed of part forming, and when the mold forming workpiece is closed, the mold is easily worn, so that the mold is damaged, and the practicability of the injection mold is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out refrigerated injection mould to the die cavity to solve the heat dissipation progress of the injection mould die cavity on the existing market that above-mentioned background art provided slower, can reduce the fashioned speed of part like this, when the compound die of mould shaping work piece, cause wearing and tearing easily between to the mould moreover, thereby cause the damage to the mould, reduced injection mould's the problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic injection mold capable of cooling a mold cavity comprises an upper mold base, a lower cavity, a water inlet pipe, a water outlet pipe and radiating fins, wherein a pouring channel is arranged in the middle of the upper mold base, a connecting column is arranged below the pouring channel, the upper cavity is arranged on the left side and the right side of the pouring channel, the connecting column is connected with a lower mold base through a connecting groove, the connecting groove is arranged in the lower mold base, a damping spring is arranged in the connecting groove, a connecting plate is arranged above the damping spring, a damping cushion is connected above the connecting plate, the lower cavity is arranged in the middle of the lower mold base, an ejector rod is arranged at the bottom of the lower cavity, the water inlet pipe is arranged on the right side of the lower mold base, the left end of the water inlet pipe is connected with the right end of the connecting pipe, a clamping block is arranged on the outer wall of the, the water outlet pipe is connected with the left end of the connecting pipe, the radiating fins are arranged on the outer side of the upper cavity, and a heat conducting rod is connected between the tops of the radiating fins and the inner wall of the upper die base.

Preferably, the connecting columns are two, and the size of the 2 connecting columns is matched with that of the connecting grooves.

Preferably, the connection mode of connecting plate and damping pad is for bonding, and the connecting plate passes through damping spring and constitutes extending structure in the inside of spread groove.

Preferably, the connecting pipes are in threaded connection with the water inlet pipe and the water outlet pipe and are distributed in an S shape.

Preferably, the connection mode of the fixture block and the inner wall of the through groove is in bolt connection, and the connection mode of the fixture block and the connecting pipe is in clamping connection.

Preferably, the heat conducting rods are distributed between the radiating fins and the upper die base at equal intervals, and the heat conducting rods are bonded with the radiating fins and the upper die base in a connecting mode.

Compared with the prior art, the beneficial effects of the utility model are that: the injection mold capable of cooling the mold cavity,

(1) the heat radiating fins are arranged on the outer side of the upper cavity, and the heat conducting rods are arranged between the heat radiating fins and the inner wall of the upper die base, so that heat dissipation can be accelerated in the workpiece forming process, and the forming progress of the workpiece is accelerated;

(2) the outer side of the lower cavity is provided with a connecting pipe, and the left end and the right end of the connecting pipe are respectively connected with the water outlet pipe and the water inlet pipe, so that when a workpiece is formed and cooled, the workpiece is accelerated and cooled by injecting cooling liquid into the connecting pipe, and the forming speed of the workpiece is further improved;

(3) be provided with connecting plate and damping pad in the spread groove, and damping spring is installed to the bottom of connecting plate, and then when the spliced pole got into inside the spread groove, can effectively slow down the wearing and tearing to the spread groove to reduce the damage probability of this mould.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the lower chamber and the connecting tube according to the present invention;

fig. 4 is a schematic view of the structure of the heat sink and the heat conducting rod according to the present invention.

In the figure: 1. an upper die holder; 2. a pouring channel; 3. an upper chamber; 4. connecting columns; 5. connecting grooves; 6. a lower die holder; 7. a damping spring; 8. a connecting plate; 9. a damping pad; 10. a lower chamber; 11. a top rod; 12. a water inlet pipe; 13. a connecting pipe; 14. a clamping block; 15. a through groove; 16. a water outlet pipe; 17. a heat sink; 18. a heat conducting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a plastic injection mold capable of cooling a mold cavity comprises an upper mold base 1, a pouring channel 2, an upper cavity 3, a connecting column 4, a connecting groove 5, a lower mold base 6, a damping spring 7, a connecting plate 8, a damping pad 9, a lower cavity 10, an ejector rod 11, a water inlet pipe 12, a connecting pipe 13, a clamping block 14, a through groove 15, a water outlet pipe 16, a radiating fin 17 and a heat conducting rod 18, wherein the pouring channel 2 is arranged in the middle of the upper mold base 1, the connecting column 4 is arranged below the pouring channel 2, the upper cavity 3 is arranged on the left side and the right side of the pouring channel 2, the connecting column 4 is connected with the lower mold base 6 through the connecting groove 5, the connecting groove 5 is arranged in the lower mold base 6, the damping spring 7 is arranged in the connecting groove 5, the connecting plate 8 is arranged above the damping spring 7, the damping pad 9 is connected above the connecting plate 8, and, an ejector rod 11 is arranged at the bottom of the lower cavity 10, a water inlet pipe 12 is arranged on the right side of the lower die holder 6, the left end of the water inlet pipe 12 is connected with the right end of a connecting pipe 13, a clamping block 14 is arranged on the outer wall of the connecting pipe 13, the bottom of the clamping block 14 is connected with the inner wall of a through groove 15, a water outlet pipe 16 is connected with the left end of the connecting pipe 13, a radiating fin 17 is arranged on the outer side of the upper cavity 3, and a heat conducting rod 18 is connected between the top of the radiating fin 17 and the;

the two connecting columns 4 are arranged, and the size of 2 connecting columns 4 is matched with that of the connecting groove 5, so that the die assembly positioning between the upper die holder 1 and the lower die holder 6 can be facilitated, the dislocation phenomenon can be effectively prevented, and the normal use of the injection mold can be ensured;

the connecting mode of the connecting plate 8 and the damping pad 9 is bonding, the connecting plate 8 forms a telescopic structure in the connecting groove 5 through the damping spring 7, the damping pad 9 is convenient to detach and replace, and meanwhile, under the action of the damping pad 9 and the damping spring 7, the abrasion of the connecting column 4 to the inside of the connecting groove 5 can be reduced, so that the damage probability of the die is reduced;

the connecting pipes 13 are in threaded connection with the water inlet pipe 12 and the water outlet pipe 16, and the connecting pipes 13 are distributed in an S shape, so that the lower chamber 10 can be effectively cooled, the cooling speed of the lower chamber 10 is increased, and the forming progress of a workpiece is increased;

the connection mode of the fixture block 14 and the inner wall of the through groove 15 is bolt connection, and the connection mode of the fixture block 14 and the connection pipe 13 is clamping connection, so that the connection pipe 13 is conveniently fixed, the phenomenon that the connection pipe 13 falls off is prevented, and the normal use of the connection pipe 13 is further ensured;

the heat conducting rods 18 are equidistantly distributed between the radiating fins 17 and the upper die base 1, the connecting modes of the heat conducting rods 18 and the radiating fins 17 and the upper die base 1 are all bonded, the heat emission progress of the upper cavity 3 can be accelerated, the forming efficiency of a workpiece is further accelerated, and the practicability of the injection mold is also improved.

The working principle is as follows: when the injection molding mold capable of cooling the mold cavity is used, as shown in fig. 1-2, firstly, a worker extends a connecting column 4 at the bottom of an upper mold base 1 into a connecting groove 5 in a lower mold base 6, and since a connecting plate 8 and a damping pad 9 are arranged in the connecting groove 5 and a damping spring 7 is arranged at the bottom of the connecting plate 8, when the connecting column 4 enters, abrasion to the inside of the connecting groove 5 can be reduced through the damping pad 9 and the damping spring 7, so that the damage probability of the mold is reduced, and after the mold is closed, the worker pours prepared casting liquid into the casting channel 2, so that the casting liquid flows into an upper cavity 3 and a lower cavity 10 for cooling and molding;

referring to fig. 3-4, during the cooling process, the worker connects the water inlet pipe 12 to the external coolant pipe, so that the coolant enters the connection pipe 13 through the water inlet pipe 12, and the connection pipe 13 is distributed around the lower chamber 10 in an "S" shape, therefore, the lower chamber 10 can be cooled to accelerate the forming progress of the workpiece, meanwhile, the heat in the upper chamber 3 can be transferred to the heat sink 17, and the heat conducting rod 18 is arranged between the heat sink 17 and the inner wall of the upper die holder 1, the heat received by the heat sink 17 is dissipated to the outside through the heat conducting rod 18, thereby further accelerating the dissipation of the heat in the mold cavity, thereby improving the forming progress of the workpiece and the practicability of the injection mold, which is the working process of the whole device, and those not described in detail in this specification are well within the skill of those in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a can carry out refrigerated mould of moulding plastics to die cavity, includes upper die base (1), lower cavity (10), inlet tube (12), outlet pipe (16) and fin (17), its characterized in that: the pouring channel (2) is arranged in the middle of the upper die base (1), the connecting column (4) is arranged below the pouring channel (2), the upper cavity (3) is arranged on each of the left side and the right side of the pouring channel (2), the connecting column (4) is connected with the lower die base (6) through the connecting groove (5), the connecting groove (5) is arranged inside the lower die base (6), the damping spring (7) is arranged inside the connecting groove (5), the connecting plate (8) is installed above the damping spring (7), the damping cushion (9) is connected above the connecting plate (8), the lower cavity (10) is arranged in the middle of the lower die base (6), the ejector rod (11) is arranged at the bottom of the lower cavity (10), the water inlet pipe (12) is arranged on the right side of the lower die base (6), and the left end of the water inlet pipe (12) is connected with the right end of the connecting pipe (13), and a clamping block (14) is installed on the outer wall of the connecting pipe (13), the bottom of the clamping block (14) is connected with the inner wall of the through groove (15), the water outlet pipe (16) is connected with the left end of the connecting pipe (13), the radiating fin (17) is arranged on the outer side of the upper cavity (3), and a heat conducting rod (18) is connected between the top of the radiating fin (17) and the inner wall of the upper die holder (1).

2. An injection mold for cooling a mold cavity according to claim 1, wherein: the number of the connecting columns (4) is two, and the size of the connecting columns (4) is matched with that of the connecting grooves (5).

3. An injection mold for cooling a mold cavity according to claim 1, wherein: the connecting plate (8) and the damping pad (9) are connected in a bonding mode, and the connecting plate (8) forms a telescopic structure in the connecting groove (5) through the damping spring (7).

4. An injection mold for cooling a mold cavity according to claim 1, wherein: the connecting pipes (13) are in threaded connection with the water inlet pipe (12) and the water outlet pipe (16), and the connecting pipes (13) are distributed in an S shape.

5. An injection mold for cooling a mold cavity according to claim 1, wherein: the connection mode of the fixture block (14) and the inner wall of the through groove (15) is bolt connection, and the connection mode of the fixture block (14) and the connecting pipe (13) is clamping connection.

6. An injection mold for cooling a mold cavity according to claim 1, wherein: the heat conducting rods (18) are distributed between the radiating fins (17) and the upper die base (1) at equal intervals, and the heat conducting rods (18) are connected with the radiating fins (17) and the upper die base (1) in a bonding mode.

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