CN219381446U

CN219381446U - Exhaust device of injection mold

Info

Publication number: CN219381446U
Application number: CN202223420207.3U
Authority: CN
Inventors: 陈慧英; 王会霞; 王吉伍; 石金财
Original assignee: Qingdao Hengshengyu Industry And Trade Co ltd
Current assignee: Qingdao Hengshengyu Industry And Trade Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-07-21
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of exhaust of injection molds, in particular to an exhaust device of an injection mold, which comprises a mold body and a mold core, wherein the mold core is processed in the middle of the front end surface of the mold body, and the exhaust device is arranged on the outer wall of the mold core. When the inside of mould core is moulded plastics through the injection molding machine, the molten material of moulding plastics can extrude the air to exhaust passage's inside, exhaust passage's impulsive force can drive the ball like this and remove, make the ball expose exhaust passage's opening, make the air discharge in the injection mold, the ball passes through the montant simultaneously and drives first dog and remove, first dog cooperation barrel can make the spring take place elastic deformation, after exhaust passage's gas discharge, the ball can reset and block up exhaust passage under the elasticity effect of spring, so can realize injection mold exhaust through this exhaust apparatus, also avoided the dust to pile up full exhaust passage and make the unable timely discharge of the inside gas of injection mold simultaneously, and then just reduced the defective rate.

Description

Exhaust device of injection mold

Technical Field

The utility model relates to the technical field of injection mold exhaust, in particular to an injection mold exhaust device.

Background

The exhaust device of the injection mold is a very important structure in the manufacture of the mold, the exhaust of the injection mold can represent the quality of the whole structure of the injection mold to the greatest extent, even if the excellent injection mold does not have good exhaust, the product with stable quality cannot be produced, the good injection mold has good tightness, and the free exhaust of gas can be ensured instead of the high compression of the gas.

The existing exhaust device on the injection mold is only provided with an exhaust groove, although the injection mold can be exhausted, the exhaust groove on the injection mold is easy to enter some dust, the dust can be accumulated to fill the exhaust groove on the injection mold along with the increase of the service time, the gas in the injection mold cannot be discharged in time when the injection mold is used for injection molding, so that 'dead gas', 'trapped gas' is formed, the exhaust device is continuously compressed, the temperature of the exhaust device is increased, the pressure is increased, the temperature which is increased is enough to burn materials, the defective rate after injection molding is increased, meanwhile, the existing exhaust device of the injection mold is inconvenient to be connected and fixed with the mold, and the exhaust device is required to be polished into a certain size to finish installation, so that the installation is troublesome.

Disclosure of Invention

The utility model aims to solve the problems that the existing injection mold exhaust device is easy to be blocked by dust, so that the exhaust cannot be realized, and the exhaust device is inconvenient to connect with a mold, and provides the injection mold exhaust device.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an injection mold exhaust apparatus, includes mould body and mold core, processing has the mold core in the middle of the preceding terminal surface of mould body, exhaust apparatus is installed to the outer wall of mold core, exhaust apparatus includes the exhaust passage, a plurality of exhaust passage sets up in the inside of mould body, and exhaust passage's both ends are linked together with the toper groove department of mould core and mould body respectively, the ball is installed in exhaust passage's the outside, the outer wall rigid coupling of ball has the montant, and the other end rigid coupling of montant has first dog

Preferably, the cylinder is installed to the outer wall of first dog, and the inner wall of cylinder and the outer wall clearance fit of first dog, the internally mounted of cylinder has the spring, and the both ends of spring are connected with first dog and cylinder respectively, can make the ball reset through the elasticity performance of spring like this.

Preferably, the opening of the cylinder is fixedly connected with a rubber ring, and the inner wall of the rubber ring is attached to the outer wall of the vertical rod.

Preferably, the connecting device is installed in the outside of barrel, connecting device includes the diaphragm, and a plurality of the outer wall of diaphragm is fixedly connected with the barrel mutually, and the outer wall of diaphragm is laminated mutually with the outer wall of mould body, the baffle is installed to the left and right sides outer wall of diaphragm, adjacent the outside rotation of baffle is connected with long screw, and the other end rigid coupling of long screw has the screw head.

Preferably, the middle outer wall thread of the long screw is connected with a vertical plate, the outer wall of the vertical plate is fixedly connected with the die body, the outer sides of the vertical plate are provided with guide rods, and the rear end faces of the guide rods are fixedly connected with the die body.

The exhaust device of the injection mold has the beneficial effects that: when the injection molding machine is used for injecting the plastic into the mold core, the injection molding molten material can extrude air into the exhaust channel, so that the impact of the exhaust channel can drive the ball to move, the ball exposes the opening of the exhaust channel, the air in the injection mold is discharged, meanwhile, the ball drives the first stop block to move through the vertical rod, the first stop block is matched with the cylinder body to elastically deform the spring, and after the air in the exhaust channel is discharged, the ball can reset under the action of the elasticity of the spring and block the exhaust channel, thereby not only realizing the exhaust of the injection mold, but also avoiding the phenomenon that the air in the injection mold cannot be discharged in time due to the fact that dust is accumulated in the exhaust channel, and increasing the qualification rate;

the cylinder can be driven to move through the transverse plate, so that the cylinder enters into the conical groove of the die body, the cylinder drives the ball to move through the vertical rod and the like, the ball enters into the exhaust channel, and then the long screw is driven to rotate through the screw head, so that the long screw moves through the vertical plate, the baffle can be driven to move through the long screw matched with the corresponding structure, the transverse plate and the die body can be fixed through the baffle, and the device is convenient to install.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of the exhaust channel, guide bar and cross plate of FIG. 2;

FIG. 4 is a schematic view of the structure of the vertical rod, ball and spring of FIG. 2;

fig. 5 is a schematic view of the structure of fig. 2 at the long screws, rails and risers.

In the figure: 1. the die comprises a die body, 2, a die core, 3, an exhaust device, 301, an exhaust channel, 302, a ball, 303, a vertical rod, 304, a first stop block, 4, a connecting device, 401, a transverse plate, 402, a baffle, 403, a long screw, 404, a screw head, 4A1, a rectangular block, 4A2, a transverse rod, 4A3, a second stop block, 5, a cylinder, 6, a spring, 7, a rubber ring, 8, a vertical plate, 9 and a guide rod.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an injection mold exhaust device, including mould body 1 and mold core 2, the processing has mold core 2 in the middle of the preceding terminal surface of mould body 1, the inside processing of mould body 1 has 4 conical grooves, exhaust device 3 is installed to the outer wall of mold core 2, exhaust device 3 includes exhaust channel 301, the round ball body 302, montant 303 and first dog 304,4 exhaust channel 301 offer in the inside of mould body 1, can discharge the air in the mold core 2 through exhaust channel 301, because exhaust channel 301's exhaust hole clearance is less than plastics edge value, so in the processing can not get into exhaust channel 301's exhaust hole, and exhaust channel 301's both ends are linked together with mold core 2 and mould body 1's conical groove department respectively, the ball 302 is installed in the outside of exhaust channel 301, can block up exhaust channel 301 through the ball 302, the outer wall rigid coupling of ball 302 has montant 303, and the other end rigid coupling of montant 303 has first dog 304, barrel 5 is installed to the outer wall of first dog 304, the one end processing of barrel 5 has the opening, and 5's inner wall and first dog 304's outer wall clearance fit, as the exhaust channel 301's exhaust channel clearance is less than plastics edge value, so in the processing can not get into exhaust channel 301's exhaust hole, and the exhaust channel 301, and both ends are linked with the end of a barrel 7 and a rubber ring is sealed with the end 7 when the montant 7 is located in the side of a barrel 7, the elastic ring is sealed with the side 7, the end 7 is sealed with the end 7 and can be sealed with the barrel 7 and can be deformed to the end 7;

when the injection molding machine is used for injecting and molding the inside of the mold core 2, the injection molding molten material can extrude air into the exhaust channel 301, so that the impact of the exhaust channel 301 can drive the ball 302 to move, the ball 302 exposes the opening of the exhaust channel, air in the injection mold 1 is discharged, meanwhile, the ball 302 drives the first stop block 304 to move through the vertical rod 303, the first stop block 304 is matched with the cylinder 5 to enable the spring 6 to elastically deform, after the air in the exhaust channel 301 is discharged, the ball 302 can reset under the action of the elasticity of the spring 6 and block the exhaust channel 301, the exhaust device can exhaust the injection mold, meanwhile, the phenomenon that dust can be accumulated to fill the exhaust channel 301 to enable the air in the injection mold 1 to be discharged in time is avoided, the defective rate is reduced, and meanwhile, the exhaust device can be formed through the exhaust channel, the ball, the transverse plate and the like, and the injection mold is exhausted.

Referring to fig. 1, 2, 3 and 5, a connecting device 4 is installed on the outer side of the cylinder 5, the connecting device 4 comprises a transverse plate 401, a baffle 402, a long screw 403 and screw heads 404,4, the outer walls of the transverse plate 401 are fixedly connected with the cylinder 5, 2 through holes are machined in the transverse plate 401 and can discharge gas, the outer walls of the transverse plate 401 are attached to the outer walls of the die body 1, the baffle 402 is installed on the outer walls of the left side and the right side of the transverse plate 401, the transverse plate 401 can be fixed through the two baffles 402, long screws 403 are rotatably connected to the outer sides of the adjacent baffles 402, the screw heads 404 are fixedly connected to the other ends of the long screws 403, a vertical plate 8 is in threaded connection with the middle outer walls of the long screws 403, the long screws 403 can move through the vertical plate 8, the outer walls of the vertical plate 8 are fixedly connected with the die body 1, guide bars 9 are arranged on the outer sides of the left and right vertical plates 8, and the rear end faces of the guide bars 9 are fixedly connected with the die body 1;

the cylinder 5 can be driven to move through the transverse plate 401, so that the cylinder 5 enters into the conical groove of the die body 1, meanwhile, the cylinder 5 drives the ball 302 to move through the vertical rod 303 and the like, the ball 302 enters into the exhaust channel 301, then the long screw 403 is driven to rotate through the screw head 404, the long screw 403 moves through the vertical plate 8, and therefore the long screw 403 cooperates with a corresponding structure to drive the baffle 402 to move, the transverse plate 401 and the die body 1 can be fixed through the baffle 402, and the device is convenient to install.

In this embodiment, when the operator needs to use the exhaust device of the injection mold, firstly, the operator drives the barrel 5 through the transverse plate 401 to move, so that the barrel 5 enters into the conical groove of the mold body 1, meanwhile, the barrel 5 drives the ball 302 through the vertical rod 303 and the like, so that the ball 302 enters into the exhaust channel 301, afterwards, the screw head 404 drives the long screw 403 to rotate, so that the long screw 403 moves through the vertical plate 8, the long screw 403 can drive the baffle 402 to move by matching with the corresponding structure, the transverse plate 401 and the mold body 1 can be fixed through the baffle 402, and therefore, the device is convenient to install, when the injection molding machine performs injection molding to the inside of the mold core 2, the injection molding molten material can extrude air into the inside of the exhaust channel 301, so that the impact force of the exhaust channel 301 can drive the ball 302 to move, the opening of the exhaust channel is exposed, and the air in the injection mold 1 is discharged, meanwhile, the ball 302 drives the first stop 304 to move through the vertical rod 404, the long screw 403 can make the spring 6 elastically deform through the long screw 403, after the air in the exhaust channel 301 is discharged, the ball 302 can reset under the action of the spring 6, the air in the exhaust channel can not be discharged by the injection mold 301, and dust can not be accumulated in time, and the exhaust rate of the exhaust channel can not be reduced, and the dust can not be discharged by the injection molding of the injection mold 1.

Example 2:

referring to fig. 1, 2, 3 and 5, the present utility model provides a technical solution: the connecting device 4 can further comprise rectangular blocks 4A1, cross bars 4A2 and second check blocks 4A3,8, wherein the outer walls of the rectangular blocks 4A1 are fixedly connected with the baffle 402, the cross bars 4A2 are fixedly connected to the outer sides of the left rectangular block 4A1 and the right rectangular block 4A1, the outer walls of the cross bars 4A2 are in clearance fit with the inner walls of the through holes of the vertical plates 8, so that the cross bars 4A2 are matched with the through holes of the vertical plates 8 and the rectangular blocks 4A1 to limit the baffle 402, the second check blocks 4A3 are fixedly connected to the other ends of the cross bars 4A2, and the cross bars 4A2 can be limited through the second check blocks 4A 3;

the transverse rod 4A2 can be matched with the through hole of the vertical plate 8 and the rectangular block 4A1 to limit the baffle 402, so that the baffle 402 can always move along the horizontal direction to prevent the baffle from rotating.

In this embodiment, when the operator needs to use the exhaust device of the injection mold, the stop block 402 may drive the rectangular block 4A1 to move, so that the rectangular block 4A1 drives the cross bar 4A2 to move, and thus the cross bar 4A2 cooperates with the through hole of the riser 8 and the rectangular block 4A1 to limit the baffle 402, so that the baffle 402 always moves along the horizontal direction, and prevents rotation of the baffle 402.

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

Claims

1. The utility model provides an injection mold exhaust apparatus, includes mould body (1) and mold core (2), processing has mold core (2), its characterized in that in the middle of the preceding terminal surface of mould body (1): the outer wall of mold core (2) is installed exhaust apparatus (3), exhaust apparatus (3) are including exhaust passage (301), and a plurality of exhaust passage (301) are seted up in the inside of mould body (1), and the both ends of exhaust passage (301) are linked together with the toper groove department of mold core (2) and mould body (1) respectively, ball (302) are installed in the outside of exhaust passage (301), the outer wall rigid coupling of ball (302) has montant (303), and the other end rigid coupling of montant (303) has first dog (304).

2. An injection mold venting apparatus as defined in claim 1, wherein: the barrel (5) is installed to the outer wall of first dog (304), and the inner wall of barrel (5) and the outer wall clearance fit of first dog (304), internally mounted of barrel (5) has spring (6), and the both ends of spring (6) are connected with first dog (304) and barrel (5) respectively.

3. An injection mold venting apparatus as defined in claim 2, wherein: the opening part of the cylinder body (5) is fixedly connected with a rubber ring (7), and the inner wall of the rubber ring (7) is attached to the outer wall of the vertical rod (303).

4. An injection mold venting apparatus as defined in claim 2, wherein: connecting device (4) are installed in the outside of barrel (5), connecting device (4) are including diaphragm (401), a plurality of the outer wall of diaphragm (401) is rigid coupling mutually with barrel (5), and the outer wall of diaphragm (401) is laminated mutually with the outer wall of mould body (1), baffle (402) are installed to the left and right sides outer wall of diaphragm (401), adjacent the outside rotation of baffle (402) is connected with long screw (403), and the other end rigid coupling of long screw (403) has screw head (404).

5. The exhaust apparatus for an injection mold according to claim 4, wherein: the middle outer wall threaded connection of long screw (403) has riser (8), and the outer wall of riser (8) is fixed with mould body (1) mutually, control the outside of riser (8) is equipped with guide bar (9), and the rear end face and the mould body (1) of guide bar (9) are fixed with mutually.