CN112848097A

CN112848097A - Injection mold for producing injection molding pipe

Info

Publication number: CN112848097A
Application number: CN202011522983.7A
Authority: CN
Inventors: 李元义
Original assignee: Individual
Current assignee: Qingdao Justuse Moulds Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-05-28
Anticipated expiration: 2040-12-21
Also published as: CN112848097B

Abstract

The invention discloses an injection mold for producing an injection molding pipe, which comprises a first mold body, a second mold body and an injection molding machine, wherein a first forming groove is formed in the first mold body, a second forming groove is formed in the second mold body, an air cylinder is fixedly arranged on the second mold body, a fixing plate is fixedly arranged on the first mold body, a supporting rod is fixedly arranged on the fixing plate, a supporting plate matched with the injection molding machine is fixedly arranged on the supporting rod, a clamping mechanism is arranged on the fixing plate and matched with the injection molding machine, an extrusion groove is formed in the first mold body and communicated with the first forming groove, and extrusion mechanisms are arranged on the first mold body and the second mold body. Has the advantages that: the invention can ensure that the central line of the injection molding machine and the central line of the first die body are on the same straight line, has positioning effect on the installation of the two, and can cool the injection molding pipe from the inside during injection molding operation, thereby accelerating the molding speed of the injection molding pipe to a certain extent and improving the working efficiency.

Description

Injection mold for producing injection molding pipe

Technical Field

The invention relates to the technical field of injection molds, in particular to an injection mold for producing an injection molding pipe.

Background

The injection molding pipe is a pipe fitting type produced by matching an injection molding machine and an injection mold, and has the advantages of simple production process and relatively low equipment cost.

But do not have positioner between current injection mold and the injection molding machine, the accuracy of erection joint between the two needs the manual work to judge, the deviation easily appears, and because the raw materials temperature is higher when moulding plastics, its required cooling shaping time is longer, and work efficiency remains to be improved.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an injection mold for producing an injection molding pipe.

In order to achieve the purpose, the invention adopts the following technical scheme:

an injection mold for producing injection molding pipes comprises a first mold body, a second mold body and an injection molding machine, wherein a first forming groove is formed in the first mold body, a second forming groove is formed in the second mold body, and a cylinder is fixedly installed in the second mold body;

a fixing plate is fixedly arranged on the first die body, a supporting rod is fixedly arranged on the fixing plate, and a supporting plate matched with the injection molding machine is fixedly arranged on the supporting rod;

a clamping mechanism is arranged on the fixed plate and matched with the injection molding machine;

an extrusion groove is formed in the first die body and is communicated with the first forming groove, and extrusion mechanisms are mounted on the first die body and the second die body;

and the die body I and the die body II are both provided with cooling mechanisms, and the two cooling mechanisms are respectively matched with the two extrusion mechanisms.

In foretell injection mold for pipe production of moulding plastics, fixture comprises spout, two-way lead screw, knob, two sliders and two splint, the spout is seted up on the fixed plate, two-way lead screw rotates to be connected in the spout, knob fixed mounting is in the outer one end of two-way lead screw extension to the fixed plate, two the equal threaded connection of slider is on two-way lead screw, two splint fixed mounting respectively is on two sliders.

In the injection mold for producing the injection molding pipe, the height of the clamping plate is larger than the diameter of the injection molding machine, one end, close to the injection molding machine, of the clamping plate is provided with the groove, and the groove is matched with the side wall of the injection molding machine in shape.

In foretell injection mold for pipe production of moulding plastics, extrusion mechanism comprises holding tank, spring, movable plate and push rod, the holding tank is seted up on the one end lateral wall that is close to die body two of die body one, spring fixed mounting is in the holding tank, the one end of holding tank is kept away from at the spring to movable plate fixed mounting, push rod fixed mounting is close to the one end of holding tank at the movable plate, and the diameter of push rod is less than the internal diameter of spring.

In foretell injection mold for injection molding pipe production, cooling body comprises installation cavity, fixed cylinder, piston, coolant liquid, intercommunication groove and annular cooling groove, the installation cavity is seted up in die body one, and installation cavity and holding tank intercommunication, fixed cylinder fixed mounting is in the installation cavity, and fixed cylinder and push rod cooperate, piston fixed mounting is located the one end of fixed cylinder at the push rod, the coolant liquid dress is in the one end of fixed cylinder keeping away from the movable plate, the annular cooling groove is seted up in die body one, the intercommunication groove is seted up between annular cooling groove and fixed cylinder.

In the injection mold for producing the injection molding pipe, the sealing plug is fixedly installed at one end, close to the movable plate, of the fixed cylinder, and the sealing plug is matched with the push rod.

In the injection mold for producing the injection molding pipe, the heat absorption ring is fixedly installed in the installation cavity, and the heat absorption ring is fixedly sleeved on one end, far away from the movable plate, of the fixed cylinder.

In the injection mold for producing the injection molding pipe, the cooling liquid is normal-temperature water, the first mold body and the second mold body are respectively provided with a water inlet and drainage seat, the two water inlet and drainage seats are communicated with the corresponding annular cooling grooves respectively, and the two water inlet and drainage seats are respectively in threaded connection with a sealing cover.

Compared with the prior art, the invention has the advantages that:

1: through the design of the clamping mechanism, the fixed operation between the first die body and the injection molding machine can be realized, and the central line of the injection molding machine and the central line of the first die body are in the same straight line due to the fact that the position of the bidirectional screw rod relative to the first die body is unchanged, and the problem of installation dislocation between the two is avoided.

2: the advantage of splint upper groove design lies in, can ensure the area of contact between splint and the injection molding machine to ensure the centre gripping effect of two splint to the injection molding machine, keep the stability of installation between injection molding machine and the die body.

3: through the cooperation of the extrusion mechanism and the cooling mechanism, when the die body I and the die body II are mutually attached, the cooling liquid stored in the fixed cylinder is automatically conveyed into the annular cooling groove, so that the injection molding pipe in the die body I and the die body II can be cooled, the molding speed is accelerated, and the working efficiency is improved.

4: through the design of the heat absorption ring, when the first die body and the second die body are separated from each other to enable the cooling liquid dispersed in the annular cooling groove to return to the fixed cylinder again, the cooling liquid absorbs heat, and the next cooling effect of the injection molding pipe is ensured.

5: through the cooperation of water inlet and outlet seat and sealed lid, be convenient for after using this injection mold a period, in time change the coolant liquid in two fixed cylinders to can ensure its cooling effect to the pipe of moulding plastics.

In conclusion, the injection molding machine can ensure that the center line of the injection molding machine and the center line of the mold body I are in the same straight line, the positioning effect is achieved when the injection molding machine and the mold body I are installed, and the injection molding pipe can be cooled from the inside during injection molding operation, so that the molding speed of the injection molding pipe can be increased to a certain extent, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of an injection mold for producing an injection molded pipe according to the present invention;

FIG. 2 is a schematic structural view of the mold body I and the mold body II of FIG. 1 in a fitted state;

FIG. 3 is an enlarged view of the structure of portion A in FIG. 1;

FIG. 4 is an enlarged view of the structure of part B in FIG. 2;

fig. 5 is an enlarged schematic view of the structure of the portion C in fig. 1.

In the figure: the die comprises a first die body 1, a second die body 2, a first forming groove 3, a second forming groove 4, a cylinder 5, a fixing plate 6, an injection molding machine 7, a support rod 8, a support plate 9, a sliding groove 10, a sliding block 11, a bidirectional screw rod 12, a clamping plate 13, an extrusion groove 14, an accommodating groove 15, a spring 16, a movable plate 17, a push rod 18, an installation cavity 19, a fixed cylinder 20, a piston 21, a sealing plug 22, cooling liquid 23, a heat absorption ring 24, a communication groove 25, an annular cooling groove 26 and a groove 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, an injection mold for producing an injection molded pipe comprises a first mold body 1, a second mold body 2 and an injection molding machine 7, wherein the first mold body 1 is provided with a first forming groove 3, the second mold body 2 is provided with a second forming groove 4, and the second mold body 2 is fixedly provided with a cylinder 5;

the above is noteworthy:

1. when the cylinder 5 operates, the distance between the mold body II 2 and the mold body I1 can be controlled, when the two are mutually attached, the molding groove I3 is matched with the molding groove II 4 to form an integral molding groove for the injection molding pipe, otherwise, when the two are mutually separated, the injection molding pipe formed between the two can be taken down.

2. A fixing plate 6 is fixedly installed on the die body I1, a supporting rod 8 is fixedly installed on the fixing plate 6, and a supporting plate 9 matched with the injection molding machine 7 is fixedly installed on the supporting rod 8, so that a certain supporting effect can be provided for the injection molding machine 7, and the stability of the injection molding machine and the die body I1 after installation is kept.

3. An extrusion groove 14 is formed in the die body I1, the extrusion groove 14 is communicated with the forming groove I3, a clamping mechanism is mounted on the fixing plate 6 and matched with the injection molding machine 7, and the clamping mechanism is composed of a sliding groove 10, a bidirectional screw rod 12, a knob, two sliding blocks 11 and two clamping plates 13.

4. Spout 10 is seted up on fixed plate 6, two-way lead screw 12 rotates to be connected in spout 10, knob fixed mounting is in the one end that two-way lead screw 12 extends to fixed plate 6 outside, two equal threaded connection of slider 11 are on two-way lead screw 12, two splint 13 are fixed mounting respectively on two slider 11, when rotating the knob, the rotation of accessible two-way lead screw 12, adjust the interval of two slider 11, and then the removal through two splint 13, can carry out the centre gripping to injection molding machine 7 fixed, because the position of two-way lead screw 12 relative die body 1 is unchangeable, consequently, can ensure that injection molding machine 7 central line and die body 1 central line are in same straight line, avoid appearing the problem of installation dislocation between the two.

5. The height of the clamping plate 13 is larger than the diameter of the injection molding machine 7, a groove 27 is formed in one end, close to the injection molding machine 7, of the clamping plate 13, the shape of the groove 27 is matched with that of the side wall of the injection molding machine 7, the contact area between the clamping plate 13 and the injection molding machine 7 can be ensured, and the clamping effect of the two clamping plates 13 on the injection molding machine 7 is ensured.

The die body I1 and the die body II 2 are both provided with an extrusion mechanism, the die body I1 and the die body II 2 are both provided with a cooling mechanism, and the two cooling mechanisms are respectively matched with the two extrusion mechanisms;

the above is noteworthy:

1. extrusion mechanism is by holding tank 15, spring 16, movable plate 17 and push rod 18 constitute, holding tank 15 is seted up on die body 1 is close to the one end lateral wall of die body two 2, spring 16 fixed mounting is in holding tank 15, movable plate 17 fixed mounting is in the one end that holding tank 15 was kept away from to spring 16, push rod 18 fixed mounting is in the one end that movable plate 17 is close to holding tank 15, and push rod 18's diameter is less than spring 16's internal diameter, when die body 1 is close to each other with die body two 2, two movable plates 17 also can be close to each other, the two extrudees each other afterwards, can overcome the elasticity that corresponds spring 16 respectively and get into two holding tanks 15 in, in this process, two push rods 18 also can move to the direction of deepe.

2. The cooling mechanism consists of an installation cavity 19, a fixed cylinder 20, a piston 21, a cooling liquid 23, a communication groove 25 and an annular cooling groove 26, wherein the installation cavity 19 is arranged in the die body I1, the installation cavity 19 is communicated with the accommodating groove 15, the fixed cylinder 20 is fixedly arranged in the installation cavity 19, the fixed cylinder 20 is matched with the push rod 18, the piston 21 is fixedly arranged at one end of the push rod 18 positioned in the fixed cylinder 20, the cooling liquid 23 is arranged at one end of the fixed cylinder 20 far away from the moving plate 17, the annular cooling groove 26 is arranged in the die body I1, the communication groove 25 is arranged between the annular cooling groove 26 and the fixed cylinder 20, when the push rod 18 moves, the piston 21 is driven to move in the direction far away from the moving plate 17 in the fixed cylinder 20, the cooling liquid 23 in the fixed cylinder 20 is extruded, and enters the annular cooling groove 26 through the communication groove 25, at this time, the injection molding raw materials in the die body I1 and the die body II 2 can be cooled, the forming speed and the working efficiency are improved.

3. One end of the fixed cylinder 20 close to the moving plate 17 is fixedly provided with a sealing plug 22, and the sealing plug 22 is matched with the push rod 18 to prevent the cooling liquid 23 from overflowing from the fixed cylinder 20.

4. The fixed mounting has the heat absorption ring 24 in the installation cavity 19, the fixed cover of heat absorption ring 24 is established on one end of a fixed cylinder 20 far away from the movable plate 17, when die body 1 and die body two 2 alternate segregation, the effect of two springs 16 can make two movable plates 17 move out from the holding tank 15 that corresponds, can drive two pistons 21 and move from inside to outside in two fixed cylinders 20 this moment, fixed cylinder 20 internal gas pressure is less this moment, can inhale fixed cylinder 20 again with the coolant liquid 23 of dispersion in annular cooling groove 26 in, the design of heat absorption ring 24 this moment, can cool down the operation to coolant liquid 23, be convenient for carry out cooling operation to the injection molding pipe production of next time.

5. Coolant liquid 23 is normal atmospheric temperature water, all be equipped with into water drainage seat on die body 1 and the die body two 2, and two advance water drainage seat respectively with the 26 intercommunications of annular cooling bath that correspond, two advance water drainage seat and go up equal threaded connection and have sealed lid, advance water drainage seat and sealed lid and be shown in the picture, the benefit of the two design lies in, be convenient for after using this injection mold a period, in time change coolant liquid 23 in two solid fixed cylinder 20, ensure its cooling effect to the pipe of moulding plastics.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

In the invention, an injection molding machine 7 is arranged on a die body I1, then a knob is rotated to rotate a bidirectional screw 12, then the injection molding machine 7 is clamped and fixed by two clamping plates 13, then the die body I1 and a die body II 2 are mutually close by a control cylinder 5, when the two are completely attached, raw materials are added into the injection molding machine 7 for operation, in the process, due to the matching of a driving mechanism and a cooling mechanism, cooling liquid 23 can be dispersed in two annular cooling grooves 26, when the injection molding raw materials enter a forming groove I3 and a forming groove II 4, the forming speed can be improved, the working efficiency is improved, after the injection molding is finished, the die body I1 is separated from the die body II 2 by the control cylinder 5, at the moment, under the elastic force action of two springs 16, the cooling liquid 23 can enter two fixed cylinders 20 again and is cooled under the action of two heat absorption rings 24, and (3) after the die body I1 and the die body II 2 are separated 3, taking down the molded injection molding pipe.

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.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An injection mold for producing an injection molding pipe comprises a mold body I (1), a mold body II (2) and an injection molding machine (7), and is characterized in that the mold body I (1) is provided with a forming groove I (3), the mold body II (2) is provided with a forming groove II (4), and the mold body II (2) is fixedly provided with a cylinder (5);

a fixing plate (6) is fixedly arranged on the die body I (1), a supporting rod (8) is fixedly arranged on the fixing plate (6), and a supporting plate (9) matched with the injection molding machine (7) is fixedly arranged on the supporting rod (8);

a clamping mechanism is arranged on the fixed plate (6) and matched with the injection molding machine (7);

an extrusion groove (14) is formed in the die body I (1), the extrusion groove (14) is communicated with the forming groove I (3), and extrusion mechanisms are mounted on the die body I (1) and the die body II (2);

and the die body I (1) and the die body II (2) are both provided with cooling mechanisms, and the two cooling mechanisms are respectively matched with the two extrusion mechanisms.

2. The injection mold for producing the injection molding pipe as claimed in claim 1, wherein the clamping mechanism is composed of a sliding groove (10), a bidirectional screw rod (12), a knob, two sliding blocks (11) and two clamping plates (13), the sliding groove (10) is formed in the fixing plate (6), the bidirectional screw rod (12) is rotatably connected in the sliding groove (10), the knob is fixedly installed at one end of the bidirectional screw rod (12) extending out of the fixing plate (6), the two sliding blocks (11) are both in threaded connection with the bidirectional screw rod (12), and the two clamping plates (13) are respectively and fixedly installed on the two sliding blocks (11).

3. An injection mould for the production of injection moulded tubes according to claim 2, characterised in that the height of the clamping plate (13) is greater than the diameter of the injection moulding machine (7), that the clamping plate (13) is provided with a recess (27) at its end close to the injection moulding machine (7), and that the recess (27) matches the shape of the side wall of the injection moulding machine (7).

4. The injection mold for producing the injection molding pipe as claimed in claim 1, wherein the extrusion mechanism is composed of a receiving groove (15), a spring (16), a moving plate (17) and a push rod (18), the receiving groove (15) is formed in a side wall of one end, close to the mold body II (2), of the mold body I (1), the spring (16) is fixedly installed in the receiving groove (15), the moving plate (17) is fixedly installed at one end, far away from the receiving groove (15), of the spring (16), the push rod (18) is fixedly installed at one end, close to the receiving groove (15), of the moving plate (17), and the diameter of the push rod (18) is smaller than the inner diameter of the spring (16).

5. The injection mold for producing injection-molded pipes according to claim 4, the cooling mechanism consists of a mounting cavity (19), a fixed cylinder (20), a piston (21), cooling liquid (23), a communicating groove (25) and an annular cooling groove (26), the mounting cavity (19) is arranged in the die body I (1), the mounting cavity (19) is communicated with the accommodating groove (15), the fixed cylinder (20) is fixedly mounted in the mounting cavity (19), and the fixed cylinder (20) is matched with the push rod (18), the piston (21) is fixedly arranged at one end of the push rod (18) positioned in the fixed cylinder (20), the cooling liquid (23) is arranged at one end of the fixed cylinder (20) far away from the moving plate (17), the annular cooling groove (26) is formed in the die body I (1), and the communication groove (25) is formed between the annular cooling groove (26) and the fixed cylinder (20).

6. An injection mould for the production of injection moulded tubes according to claim 5 characterised in that a sealing plug (22) is fixedly mounted on the end of the fixed cylinder (20) close to the moving plate (17), and the sealing plug (22) cooperates with the push rod (18).

7. An injection mould for the production of injection moulded tubes according to claim 5, characterised in that a heat-absorbing ring (24) is fixedly mounted in the mounting cavity (19), said heat-absorbing ring (24) being fixedly attached to the end of the fixed cylinder (20) remote from the moving plate (17).

8. The injection mold for producing the injection molding pipe as claimed in claim 5, wherein the cooling liquid (23) is normal temperature water, the first mold body (1) and the second mold body (2) are provided with water inlet and drainage seats, the two water inlet and drainage seats are communicated with the corresponding annular cooling grooves (26), and the two water inlet and drainage seats are in threaded connection with sealing covers.