CN217169569U - Precision injection mold capable of improving curing speed - Google Patents

Abstract

The utility model belongs to the technical field of injection molds, and discloses an accurate injection mold for improving curing speed, which comprises a guide post, wherein supporting plates are arranged at two ends of the guide post, a static mold is arranged at one side of the supporting plate, a cylinder is arranged at one side of the other supporting plate close to the static mold, the output end of the cylinder is fixedly connected with a sliding body, a movable mold is fixedly connected with one side of the sliding body, a cavity is arranged between the movable mold and the static mold, a heating groove and a cooling channel are arranged inside the movable mold and the static mold, a magnetic suction block is arranged inside the heating groove, a heating rod is connected at one side of the magnetic suction block, the utility model pushes the sliding body to move along the guide post by the cylinder, so that the movable mold and the static mold are tightly attached, then molten material is filled into the cavity through a sprue gate, the heating rod continuously works to heat the mold, and the solidification in the injection process is avoided, the melt is heated uniformly, so that the quality of the product can be ensured.

Description

Precision injection mold capable of improving curing speed

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to improve accurate injection mold of solidification speed.

Background

The injection molding is to add granular or powdery plastic into a charging basket of an injection molding machine, after heating and melting, the screw of the injection molding machine pushes the molten plastic at high pressure and high speed to rapidly inject the molten plastic into a closed mold cavity through a nozzle at the front end of the charging basket, the molten material filled in the mold cavity is cooled and solidified under the condition of pressure to keep the shape endowed by the mold cavity, then the mold is opened to take out a product, and the injection molding mold basically comprises a molding system, a pouring system, an exhaust system, a cooling system, an ejection system, a guide system and the like.

But injection mold's on the existing market heating mechanism sets up in the bottom of mould, and the mould is heated the solidification quality that the inequality can influence the product during heating to current heating mechanism is many integrative with the mould, and the maintenance is inconvenient and the cost is great, and current device directly drops after the product processing is accomplished in addition, can lead to the product surface to appear the mar like this or lead to the product to damage, increases bad damage rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve accurate injection mold of solidification rate to the mould that proposes is heated inequality and heating mechanism maintenance inconvenience and lack the problem of accepting buffer among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improve accurate injection mold of solidification speed, includes the guide post, two backup pads are installed at the both ends of guide post, one of them one of backup pad is provided with quiet mould, seted up the sprue gate on the quiet mould, the one side that is close to quiet mould in another backup pad is provided with the cylinder, the output fixedly connected with sliding body of cylinder, the guide post runs through the sliding body, and one side fixedly connected with movable mould of sliding body, be provided with the die cavity between movable mould and the quiet mould, and the movable mould has seted up with the inside of quiet mould heating bath and cooling channel, the inside in heating bath is provided with magnetism and inhales the piece, one side of magnetism is inhaled the piece and is connected with the heating rod.

Preferably, the lower end of the sliding body is fixedly connected with a vertical plate, one side of the vertical plate is provided with a motor, the output end of the motor is connected with a rotating shaft, and the rotating shaft is fixedly connected with a bearing plate.

Preferably, an electric cylinder is arranged inside the sliding body, the output end of the electric cylinder is connected with a top plate, one side of the top plate is connected with a push rod, and the push rod penetrates through the movable die.

Preferably, one side of the support plate, which is opposite to the static mold, is provided with a bushing, a hot runner is arranged in the bushing, the hot runner is connected with the pouring gate, and a heating sleeve is arranged outside the bushing.

Preferably, the static die and the movable die are provided with air grooves corresponding to the cavity.

Preferably, both ends of the cooling channel are respectively provided with a water filling port and a water outlet.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cylinder promotes the slider and removes along the guide post, make movable mould and quiet mould closely laminate, and form the die cavity between the two, the melt passes through the sprue gate afterwards and fills to the die cavity in, in this process, the heating rod of movable mould and quiet mould inside is in the hot groove continuous work, so that the mould heaies up, avoid solidifying in advance at the in-process melt of moulding plastics, the quiet mould of movable mould heats simultaneously, the melt is heated evenly, can ensure the quality of product, and the heating rod is connected with the magnetism suction block in the hot groove, the degree of difficulty of maintenance can be reduced when it breaks down, and interchangeability is high.

(2) The utility model discloses when the product breaks away from the mould, motor work drives the pivot and rotates to the certain angle of board below the movable mould is accepted in the drive, with the impact force when slowing down the product and droing, avoids it and consequently causes surface mar or other damages, guarantees the machining precision of product, when not using, accepts the below that the board is collapsible in the sliding body moreover, can not occupy unnecessary space.

Drawings

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

FIG. 2 is a schematic structural view of the mold opening device of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a cross-sectional view of section A of FIG. 2;

FIG. 5 is a cross-sectional view of section B of FIG. 2;

FIG. 6 is an enlarged view of a portion of FIG. 1 at C;

FIG. 7 is an enlarged view of a portion of FIG. 4 at D;

in the figure: 1. a support plate; 2. a cylinder; 3. a guide post; 4. a sliding body; 5. static molding; 6. an electric cylinder; 7. moving the mold; 8. a top plate; 9. a pouring gate; 10. a bushing; 11. a hot runner; 12. heating a jacket; 13. a cavity; 14. an air tank; 15. a heating tank; 16. a heating rod; 17. a cooling channel; 18. a top rod; 19. a magnetic block; 20. a vertical plate; 21. a motor; 22. a rotating shaft; 23. a bearing plate.

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. 1-7, the present invention provides the following technical solutions: a precision injection mold for improving curing speed comprises guide posts 3, two support plates 1 are installed at two ends of each guide post 3, a static mold 5 is arranged at one side of one support plate 1, a pouring port 9 is formed in the static mold 5, an air cylinder 2 is arranged at one side, close to the static mold 5, of the other support plate 1, a sliding body 4 is fixedly connected to the output end of the air cylinder 2, the guide posts 3 penetrate through the sliding body 4, a movable mold 7 is fixedly connected to one side of the sliding body 4, a cavity 13 is formed between the movable mold 7 and the static mold 5, a heating groove 15 and a cooling channel 17 are formed in the movable mold 7 and the static mold 5, a magnetic suction block 19 is arranged in the heating groove 15, a heating rod 16 is connected to one side of the magnetic suction block 19, the air cylinder 2 pushes the sliding body 4 to move along the guide posts 3, so that the movable mold 7 and the static mold 5 are tightly attached to form a cavity 13 therebetween, and then the molten material is filled into the cavity 13 through the pouring port 9, in the process, the heating rods 16 inside the movable mold 7 and the fixed mold 5 continuously work in the heating groove 15 to heat the mold, and the magnetic heating rods 16 are easier to replace and maintain.

Further, the lower extreme fixedly connected with riser 20 of slider 4, one side of riser 20 is provided with motor 21, and motor 21's output is connected with pivot 22, and fixedly connected with accepts board 23 on the pivot 22, and when the product breaks away from the mould, motor 21 work drives pivot 22 and rotates to drive and accept board 23 and incline certain angle in movable mould 7 below, with the impact force when slowing down the product and droing, avoid it and consequently cause surface scratch or other damages, guarantee the machining precision of product.

Further, the inside of slider 4 is provided with electric jar 6, and the output of electric jar 6 is connected with roof 8, and one side of roof 8 is connected with ejector pin 18, and ejector pin 18 runs through movable mould 7, and movable mould 7 and the separation back of quiet mould 5, electric jar 6 promote roof 8 so that ejector pin 18 passes movable mould 7 and separates the product, can improve work efficiency, also can avoid the product mould to cohere.

Further, one side of the supporting plate 1, which is opposite to the static mold 5, is provided with a bushing 10, a hot runner 11 is arranged in the bushing 10, the hot runner 11 is connected with the sprue gate 9, a heating sleeve 12 is arranged outside the bushing 10, the structure does not need to take out the hot runner 11 and a pouring gate after product molding, the plastic of the hot runner 11 and the sprue gate 9 is ensured to keep a molten state through the heating sleeve 12, so that the whole runner from a nozzle outlet to the sprue gate 9 is in a high-temperature state, the plastic in the runner keeps molten, the runner does not need to be opened to take out the solidified material after shutdown, and only the runner needs to be heated to the required temperature when restarting.

Furthermore, the positions of the static mold 5 and the movable mold 7 corresponding to the cavity 13 are provided with an air groove 14, the air groove 14 mainly has two functions, one is to exhaust air in the cavity 13 when injecting molten plastic, and the other is to exhaust various gases generated in the heating process of materials, and when injecting, excessive materials cannot seep out from the air groove 14, because the molten materials can solidify and block the position when cooling.

Furthermore, both ends of the cooling channel 17 are respectively provided with a water injection port and a water outlet, after cooling water is injected into the cooling channel 17 through the water injection port, the cooling water flows in the mold and is discharged into the water tank through the water outlet so as to be recycled, and the process of circulating the cooling water in the cooling channel 17 can reduce the temperature of the mold, so that the internal melt is rapidly solidified, and the injection molding and forming time is saved.

The utility model discloses a theory of operation and use flow: when the utility model is used, the cylinder 2 pushes the sliding body 4 to move along the guide post 3, so that the movable mold 7 and the static mold 5 are tightly attached, and a cavity 13 is formed between the movable mold 7 and the static mold 5, then the molten material is filled into the cavity 13 along the hot runner 11 in the bushing 10 through the sprue gate 9, in the process, the heating jacket 12 works to ensure that the molten material in the hot runner 11 is not easily solidified, and the heating rod 16 in the movable mold 7 and the static mold 5 continuously works in the heating groove 15 to heat the mold, the air groove 14 can solve the problem of incomplete injection molding in the mold filling process, then the heating rod 16 is closed, so that cooling water circulates in the mold through the cooling channel 17 to achieve the purpose of pressure maintaining and cooling of the mold, then under the action of the cylinder 2, the movable mold 7 is separated from the static mold 5, at the moment, the electric cylinder 6 pushes the top plate 8 to ensure that the top rod 18 passes through the movable mold 7 to separate the product, the receiving plate 23 is adjusted to a proper angle under the driving of the motor 21 and the rotating shaft 22 on one side of the vertical plate 20 to reduce the impact force when the product falls off, and the heating rod 16 of the device is adsorbed with the magnetic absorption block 19 in the heating groove 15, so that the replacement and maintenance are convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an improve accurate injection mold of solidification speed which characterized in that: comprises a guide post (3), two supporting plates (1) are arranged at two ends of the guide post (3), one side of one of the support plates (1) is provided with a static mould (5), the static mould (5) is provided with a pouring gate (9), one side of the other support plate (1) close to the static mould (5) is provided with a cylinder (2), the output end of the cylinder (2) is fixedly connected with a sliding body (4), the guide post (3) penetrates through the sliding body (4), a movable mould (7) is fixedly connected with one side of the sliding body (4), a cavity (13) is arranged between the movable mould (7) and the static mould (5), and the inner parts of the moving die (7) and the static die (5) are provided with a heating groove (15) and a cooling channel (17), the inside of heating groove (15) is provided with magnetism and inhales piece (19), one side of magnetism piece (19) is inhaled and is connected with heating rod (16).

2. The precision injection mold for increasing the curing speed of claim 1, wherein: the lower end of the sliding body (4) is fixedly connected with a vertical plate (20), one side of the vertical plate (20) is provided with a motor (21), the output end of the motor (21) is connected with a rotating shaft (22), and the rotating shaft (22) is fixedly connected with a bearing plate (23).

3. The precision injection mold for increasing the curing speed according to claim 2, wherein: an electric cylinder (6) is arranged inside the sliding body (4), the output end of the electric cylinder (6) is connected with a top plate (8), one side of the top plate (8) is connected with a push rod (18), and the push rod (18) penetrates through the movable die (7).

4. A precision injection mold with improved cure speed as in claim 3, wherein: one side of backup pad (1) back to the quiet mould (5) is provided with bush (10), hot runner (11) have been seted up to the inside of bush (10), hot runner (11) are connected with sprue gate (9), and the outside of bush (10) is provided with heating jacket (12).

5. The precision injection mold for increasing the curing speed according to claim 4, wherein: and air grooves (14) are formed in the positions, corresponding to the cavity (13), of the static die (5) and the movable die (7).

6. The precision injection mold for increasing the curing speed of claim 5, wherein: and a water filling port and a water outlet are respectively arranged at two ends of the cooling channel (17).

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