CN213733083U

CN213733083U - Nylon modified plastic injection mold

Info

Publication number: CN213733083U
Application number: CN202022051275.1U
Authority: CN
Inventors: 雷攀峰
Original assignee: Dongguan Jianxun New Material Technology Co ltd
Current assignee: Dongguan Jianxun New Material Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-07-20
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a nylon modified plastic injection mold, which comprises a base and an upper cover, wherein a sliding groove is arranged at the center of the upper surface of the base along the horizontal direction, two groups of cooling water pipelines are symmetrically arranged at the two sides of the sliding groove in the base, a bidirectional threaded rod, two trapezoidal sliders and a protection plate are arranged between the inner side walls of the two sides of the base in the sliding groove, bolts are arranged at the four corners of the upper surface of the base, a motor is arranged at the side wall of one side of the base, two buffer blocks are arranged at the top end of the opposite surfaces of the two trapezoidal sliders in a mirror image manner, a sliding rod is fixedly connected to one side surface of each buffer block close to the trapezoidal slider, a liquid injection port and a liquid injector are arranged at the center of the top of the upper cover plate, a check valve is arranged in the liquid injector, the utility model prevents the raw material from flowing back through the check valve, and realizes the multipurpose of the mold by changing a shaping plate, but greatly reduced manufacturing cost, simple structure and convenient operation.

Description

Nylon modified plastic injection mold

Technical Field

The utility model relates to a nylon plastics processing accessory technical field especially relates to a nylon modified plastics injection mold.

Background

Nylon is developed by a scientific research group led by the outstanding scientist carrousel in the United states and is the first synthetic fiber appearing in the world, nylon is a method for polyamide fiber (chinlon), the appearance of nylon enables the appearance of textiles to be fresh, and the synthesis of nylon is a major breakthrough in the synthetic fiber industry and is also a very important milestone in polymer chemistry.

The backflow of the injection molding raw materials cannot be controlled in the using process of the existing nylon modified plastic injection mold, raw materials are easily polluted, a certain amount of raw materials are wasted, meanwhile, the existing mold is basically customized specially, molds needed to be used by different products are different, the operation of workers is troublesome, and meanwhile, the production cost is greatly improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a nylon modified plastic injection mold.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a nylon modified plastic injection mold comprises a base and an upper cover, wherein a sliding groove is formed in the center of the upper surface of the base along the horizontal direction, two groups of cooling water pipelines are symmetrically arranged on two sides of the sliding groove in the base, and two ends of each group of cooling water pipeline penetrate through the side wall of the base and extend;

a bidirectional threaded rod and two trapezoidal sliding blocks are arranged between the inner side walls of the two sides of the base in the sliding groove, the bidirectional threaded rod penetrates through the two trapezoidal sliding blocks, a protection plate is arranged right above the bidirectional threaded rod in the sliding groove, one end of the protection plate penetrates through one side wall of the base and the two trapezoidal sliding blocks and extends, four corners of the upper surface of the base are provided with bolts, one side wall of the base is provided with a motor, and a rotating shaft of the motor penetrates through one side wall of the base;

two buffer blocks are arranged at the top ends of opposite surfaces of the two trapezoidal sliding blocks in a mirror image mode, a sliding rod is fixedly connected to one side surface, close to the trapezoidal sliding block, of each buffer block, one end, far away from the corresponding buffer block, of each sliding rod penetrates through the side wall of the trapezoidal sliding block and extends inwards, a limiting block is fixedly connected to the end face of the extending end of each sliding rod, and a first spring is arranged between each limiting block and the inner side wall of the corresponding trapezoidal sliding block;

the improved liquid injection device is characterized in that a liquid injection port is formed in the center of the top of the upper cover plate, a rectangular groove is formed in the center of the bottom of the upper cover plate, a liquid injection device is fixedly connected to the inner top wall of the rectangular groove and is located right below the liquid injection port, and a one-way valve is arranged inside the liquid injection device.

As a further description of the above technical solution:

the check valve comprises a sliding block, a plug, a second spring and an L-shaped fixing block, the inner side wall of the liquid injector is provided with the L-shaped fixing block in a mirror image mode, the two sliding blocks are symmetrically arranged between opposite faces of the L-shaped fixing block, the top end of each sliding block is located inside the liquid injector, the plug is arranged inside the liquid injector, and the second spring is arranged between the opposite faces of the two sliding blocks.

As a further description of the above technical solution:

two the opposite facial wall sliding connection of slider lateral wall and two L shape fixed blocks, two L shape fixed block lateral wall and the inside wall fixed connection of notes liquid ware, the both ends of second spring respectively with end cap, L shape fixed block fixed connection, every the through-hole has all been seted up to the slider one end surface that is close to the end cap.

As a further description of the above technical solution:

the outer walls of the two trapezoidal sliding blocks are connected with the upper surface of the base and the inner wall of the sliding groove in a sliding mode, a first through hole is formed in the penetrating position of the bidirectional threaded rod and the two trapezoidal sliding blocks, and the outer wall of the bidirectional threaded rod is in threaded connection with the inner wall of the first through hole.

As a further description of the above technical solution:

two the second through hole has all been seted up with the department of running through of the trapezoidal slider that corresponds to the slide bar, and the outer wall of two slide bars all with the second through hole inner wall sliding connection that corresponds, the third through hole has been seted up with the department of running through of base, trapezoidal slider to the guard plate, and the outer wall and the third through hole inner wall sliding connection of guard plate.

As a further description of the above technical solution:

the motor axis of rotation and the department of running through of base have seted up the fourth through hole, and the axis of rotation outer wall and the rotation of fourth through hole inner wall of motor are connected, the axis of rotation terminal surface of motor and the one end terminal surface fixed connection of two-way threaded rod, the one end terminal surface that the motor was kept away from to two-way threaded rod rotates with the inside wall of base to be connected.

The utility model discloses following beneficial effect has: 1. the utility model discloses annotating the inside check valve that has set up of liquid ware, can realize through the check valve that the mouth that will mould plastics after the completion is stifled died, prevent that the raw materials from flowing back the raw materials pollution that causes, avoided the waste of raw and other materials.

2. The utility model discloses removable not stereotype board of equidimension through two trapezoidal slider relative movement of two-way threaded rod control, and the stereotype board that will need to use is fixed, has realized a mould multiple use, has practiced thrift manufacturing cost greatly.

Drawings

FIG. 1 is a front sectional view of a nylon modified plastic injection mold provided by the present invention;

FIG. 2 is a top view of the nylon-modified plastic injection mold of the present invention;

FIG. 3 is a cross-sectional view of the nylon-modified plastic injection mold according to the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 1.

Illustration of the drawings:

1. a base; 2. an upper cover; 3. a chute; 4. a cooling water line; 5. a bidirectional threaded rod; 6. a trapezoidal slider; 7. a protection plate; 8. a bolt; 9. a buffer block; 10. a slide bar; 11. a limiting block; 12. a first spring; 13. a liquid injection port; 14. a rectangular groove; 15. a liquid injector; 16. a one-way valve; 17. a motor; 161. a slider; 162. a plug; 163. a second spring; 164. an L-shaped fixing block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a nylon modified plastic injection mold comprises a base 1 and an upper cover 2, wherein a sliding groove 3 is formed in the center of the upper surface of the base 1 along the horizontal direction, two groups of cooling water pipelines 4 are symmetrically arranged on two sides of the sliding groove 3 in the base 1 for cooling, two ends of each group of cooling water pipelines 4 penetrate through the side wall of the base 1 and extend, and the extending ends can be connected into a cooling water inlet pipe and a cooling water return pipe;

a bidirectional threaded rod 5 and two trapezoidal sliding blocks 6 are arranged between the inner side walls of the two sides of the base 1 in the sliding groove 3, the bidirectional threaded rod 5 penetrates through the two trapezoidal sliding blocks 6, a protection plate 7 is arranged right above the bidirectional threaded rod 5 in the sliding groove 3 to prevent foreign matters from falling into the sliding groove 3 to damage the bidirectional threaded rod 5, one end of the protection plate 7 penetrates through the side wall of one side of the base 1 and the two trapezoidal sliding blocks 6 and extends, four corners of the upper surface of the base 1 are provided with bolts 8 to connect the base 1 and the upper cover 2, one side wall of the base 1 is provided with a motor 17 to provide rotating power, and the rotating shaft of the motor 17 penetrates through one side wall of the base 1;

two buffer blocks 9 are arranged at the top ends of opposite surfaces of the two trapezoidal sliding blocks 6 in a mirror image mode to clamp and fix the shaping plate, a sliding rod 10 is fixedly connected to one side surface, close to the trapezoidal sliding block 6, of each buffer block 9, one end, far away from the corresponding buffer block 9, of each sliding rod 10 penetrates through the side wall of the trapezoidal sliding block 6 and extends inwards, a limiting block 11 is fixedly connected to the end face of the extending end of each sliding rod 10, a first spring 12 is arranged between each limiting block 11 and the inner side wall of the corresponding trapezoidal sliding block 6, when the buffer blocks 9 touch the shaping plate, the sliding rods 10 move towards the interior of the trapezoidal sliding blocks 6, at the moment, the limiting blocks 11 compress the first springs 12, and when the shaping plate is taken out, the first springs 12 restore the positions of the buffer blocks 9;

the department has seted up at 2 top centers of upper cover and has annotated liquid mouth 13 and mould plastics, and 2 bottom centers of upper cover have seted up rectangle recess 14 and have made things convenient for trapezoidal slider 6 to remove, and roof is located annotates liquid mouth 13 in the rectangle recess 14 and is located and annotate liquid ware 15 of fixedly connected with under, and the inside of annotating liquid ware 15 is provided with check valve 16 and prevents the raw materials backward flow.

The check valve 16 comprises a sliding block 161, a plug 162, a second spring 163 and an L-shaped fixed block 164, the L-shaped fixed block 164 is arranged on the inner side wall of the liquid injector 15 in a mirror image mode, the sliding blocks 161 are symmetrically arranged between the opposite surfaces of the two L-shaped fixed blocks 164, the plug 162 is arranged at the top ends of the two sliding blocks 161 in the liquid injector 15, the second spring 163 is arranged between the opposite surfaces of the two sliding blocks 161, when raw materials are injected, the plug 162 can be pushed open and compress the first spring 12 due to the increase of pressure, when the injection molding is stopped, the plug 162 blocks the injection opening to stop the injection and prevent the raw materials from flowing back, the sliding connection of the side walls of the two sliding blocks 161 and the opposite side walls of the two L-shaped fixed blocks 164 facilitates the sliding of the sliding blocks 161 to slide, the positions of the sliding blocks 161 are limited by the fixed connection of the side walls of the two L-shaped fixed blocks 164 and the inner side wall of the liquid injector 15, and the two ends of the second spring 163 are respectively fixedly connected with the plug 162 and the L-shaped fixed block 164, the surface of one end of each sliding block 161 close to the plug 162 is provided with a through hole for facilitating the flowing of raw materials, the outer walls of two trapezoidal sliding blocks 6 are in sliding connection with the upper surface of the base 1 and the inner wall of the sliding groove 3 for facilitating the trapezoidal sliding block 6 to horizontally move along the upper surface of the base 1, the penetrating positions of the two-way threaded rod 5 and the two trapezoidal sliding blocks 6 are provided with first through holes, the outer wall of the two-way threaded rod 5 is in threaded connection with the inner wall of the first through hole for facilitating the driving of the trapezoidal sliding block 6 to move, the penetrating positions of the two sliding rods 10 and the corresponding trapezoidal sliding blocks 6 are provided with second through holes, the outer walls of the two sliding rods 10 are in sliding connection with the inner walls of the corresponding second through holes for facilitating the sliding of the sliding rods 10, the penetrating positions of the protective plate 7 and the base 1 and the trapezoidal sliding blocks 6 are provided with third through holes, and the outer wall of the protective plate 7 is in sliding connection with the inner wall of the third through hole, so as to realize the movability of the protective plate 7, the fourth through hole has been seted up with the department of running through of base 1 to motor 17 axis of rotation, and motor 17's axis of rotation outer wall rotates with the fourth through hole inner wall and is connected the convenient rotation, and motor 17 drives two-way threaded rod 5 and rotates with the one end terminal surface fixed connection of two-way threaded rod 5 to motor 17's axis of rotation terminal surface, and the one end terminal surface that motor 17 was kept away from to two-way threaded rod 5 rotates with the inside wall of base 1 and is connected the convenient rotation.

The working principle is as follows: the utility model discloses nylon modified plastics injection mold, the stereotype board that will use at first during the use is placed on the surface of base 1 and guard plate 7, starter motor 17 afterwards, motor 17 control buffer block 9 is fixed with the stereotype board, cover upper cover 2 after the stereotype board is fixed, connect upper cover 2 and base 1 through bolt 8 this moment, then intake with the cooling, the cooling return water inserts cooling water pipeline 4 respectively, pour into the raw materials into from annotating liquid mouth 13 afterwards, begin the operation of moulding plastics, when the raw materials is injected, because the increase of pressure can push open end cap 162 and compress first spring 12, when stopping moulding plastics, end cap 162 plugs up and fills mouthful stop to pour into and also prevent the raw materials backward flow simultaneously, it directly can to separate base 1 and upper cover 2 and take out the finished product to mould plastics and wait for the product cooling back.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The nylon modified plastic injection mold comprises a base (1) and an upper cover (2), and is characterized in that a sliding groove (3) is formed in the center of the upper surface of the base (1) along the horizontal direction, two groups of cooling water pipelines (4) are symmetrically arranged in the base (1) at two sides of the sliding groove (3), and two ends of each group of cooling water pipelines (4) penetrate through the side wall of the base (1) and extend;

a bidirectional threaded rod (5) and two trapezoidal sliding blocks (6) are arranged between the inner side walls of the two sides of the base (1) in the sliding chute (3), the bidirectional threaded rod (5) penetrates through the two trapezoidal sliding blocks (6), a protection plate (7) is arranged right above the bidirectional threaded rod (5) in the sliding chute (3), one end of the protection plate (7) penetrates through one side wall of the base (1) and the two trapezoidal sliding blocks (6) and extends, four corners of the upper surface of the base (1) are provided with bolts (8), one side wall of the base (1) is provided with a motor (17), and a rotating shaft of the motor (17) penetrates through one side wall of the base (1);

two buffer blocks (9) are arranged at the top ends of opposite surfaces of the two trapezoidal sliding blocks (6) in a mirror image mode, a side surface, close to the trapezoidal sliding block (6), of each buffer block (9) is fixedly connected with a sliding rod (10), one end, far away from the corresponding buffer block (9), of each sliding rod (10) penetrates through the side wall of the trapezoidal sliding block (6) and extends inwards, a limiting block (11) is fixedly connected to the end face of the extending end of each sliding rod (10), and a first spring (12) is arranged between each limiting block (11) and the inner side wall of the corresponding trapezoidal sliding block (6);

liquid injection port (13) has been seted up at upper cover (2) top center department, rectangular recess (14) have been seted up at upper cover (2) bottom center, roof is located liquid injection port (13) and is annotated fixedly connected with notes liquid ware (15) under in rectangular recess (14), the inside of notes liquid ware (15) is provided with check valve (16).

2. The nylon-modified plastic injection mold according to claim 1, wherein the check valve (16) comprises a sliding block (161), a plug (162), a second spring (163) and an L-shaped fixed block (164), the L-shaped fixed block (164) is arranged on the inner side wall of the injector (15) in a mirror image manner, the sliding blocks (161) are symmetrically arranged between the opposite surfaces of the two L-shaped fixed blocks (164), the plug (162) is arranged at the top ends of the two sliding blocks (161) in the injector (15), and the second spring (163) is arranged between the opposite surfaces of the two sliding blocks (161).

3. The nylon-modified plastic injection mold according to claim 2, wherein the side walls of the two sliders (161) are slidably connected with the side walls of the opposite surfaces of the two L-shaped fixing blocks (164), the side walls of the two L-shaped fixing blocks (164) are fixedly connected with the inner side wall of the injector (15), two ends of the second spring (163) are respectively fixedly connected with the plug (162) and the L-shaped fixing block (164), and a through hole is formed in one end surface of each slider (161) close to the plug (162).

4. The nylon-modified plastic injection mold according to claim 1, wherein the outer walls of the two trapezoidal sliding blocks (6) are slidably connected with the upper surface of the base (1) and the inner wall of the sliding groove (3), a first through hole is formed at the penetration position of the bidirectional threaded rod (5) and the two trapezoidal sliding blocks (6), and the outer wall of the bidirectional threaded rod (5) is in threaded connection with the inner wall of the first through hole.

5. The nylon-modified plastic injection mold according to claim 1, wherein the two slide bars (10) are provided with second through holes at the penetrating positions thereof with respect to the corresponding trapezoidal slide blocks (6), the outer walls of the two slide bars (10) are slidably connected with the inner walls of the corresponding second through holes, the penetrating positions of the protection plate (7) with the base (1) and the trapezoidal slide blocks (6) are provided with third through holes, and the outer wall of the protection plate (7) is slidably connected with the inner walls of the third through holes.

6. The nylon-modified plastic injection mold as claimed in claim 1, wherein a fourth through hole is formed at a penetration portion of the rotating shaft of the motor (17) and the base (1), an outer wall of the rotating shaft of the motor (17) is rotatably connected with an inner wall of the fourth through hole, an end surface of the rotating shaft of the motor (17) is fixedly connected with an end surface of the bidirectional threaded rod (5), and an end surface of the bidirectional threaded rod (5) far away from the motor (17) is rotatably connected with an inner side wall of the base (1).