CN113771291B

CN113771291B - Injection mold

Info

Publication number: CN113771291B
Application number: CN202111333338.5A
Authority: CN
Inventors: 李恒峰; 邬荣武
Original assignee: Ningbo Xingli Automobile Mould Co ltd
Current assignee: Ningbo Xingli Automobile Mould Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-02-22
Anticipated expiration: 2041-11-11
Also published as: CN113771291A

Abstract

The invention provides an injection mold, which belongs to the technical field of injection molding and comprises the following components: the base is provided with a first mold core for molding a first injection molding piece; the sliding block is connected to the base in a sliding mode; the rotating block is connected to the sliding block in a rotating mode, a second core is arranged on the rotating block, a mounting hole is formed in the second core, the first station is arranged when the opening direction of the mounting hole is perpendicular to the axis where the first core is located, the second station is arranged when the opening direction of the mounting hole is parallel to the axis where the first core is located, and when the second core rotates to the second station from the station, the metal insert is placed into the mounting hole through a manipulator. According to the invention, the second cores for connecting the metal inserts are arranged to be rotatable structures, so that when the second cores are positioned at the second station, the metal inserts are embedded into the mounting holes by the manipulator conveniently, the metal inserts are not required to be loaded by manual operation, and the injection molding efficiency of the air box is further improved.

Description

Injection mold

Technical Field

The invention belongs to the technical field of injection molding, and relates to an injection mold.

Background

The air filter assembly serves as a component of the sled, and includes a filter element for air filtration and an air box as a carrier for the filter element. That is, the air box serves as an outer shell for accommodating the filter element, wherein the air box comprises a first injection molding part, a second injection molding part and a metal insert which are integrally formed as shown in fig. 1, and the metal insert is mounted on the second injection molding part. The air box needs to be installed the metal insert in the fashioned second core of second injection molding in advance before injection moulding, and because original second core is fixed the setting, leads to pre-installation metal insert's mounting hole on the second core to be towards the fashioned first core of first injection molding all the time for can't install the metal insert on the second core through the manipulator, thereby reduced the efficiency of moulding plastics of air box.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an injection mold capable of realizing pre-installation of a metal insert through a manipulator.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an injection mold for injection moulding air box, and this air box includes integrated into one piece's first injection molding, second injection molding and metal insert, and wherein, metal insert installs on the second injection molding, includes:

the base is provided with a first mold core for molding a first injection molding piece;

the sliding block is connected to the base in a sliding mode;

the rotating block is connected to the sliding block in a rotating mode, a second core used for forming a second injection molding piece is arranged on the rotating block, a mounting hole used for embedding a metal insert is formed in the second core, the opening direction of the mounting hole is a first station when being perpendicular to the axis where the first core is located, the opening direction of the mounting hole is a second station when being parallel to the axis where the first core is located, and when the second core rotates to the second station from the station, the metal insert is placed into the mounting hole through a manipulator.

In the above-mentioned injection mold, when the slide moves in a direction close to the first core, the second core gradually moves from station two to station one; the second core is progressively transferred from station one to station two as the slide is moved in a direction away from the first core.

In one of the injection molds described above, the second core rotates from station to station two through an angle in the range of 0 ° to 90 °.

In an injection mold as described above, the rotating block includes a connecting block, and the connecting block is connected to the slider through a rotating shaft, wherein the connecting block is connected to the second core.

In the injection mold, a driving part for driving the second core to rotate from the station two to the station two or from the station two to the station one is arranged between the rotating shaft and the base.

In the above injection mold, the driving portion is disposed between the end portion of the rotating shaft and the base.

In the injection mold, the driving part comprises a first driving block connected to the rotating shaft and a second driving block connected to the base, wherein the first driving block and the second driving block are in contact type rotation fit to realize that the second core is rotated from the station two to the station two or from the station two to the station one.

In the above injection mold, the first driving block is arranged in a cam structure, and one side of the second driving block, which forms a contact-type rotation fit with the first driving block, is arranged in an inclined plane.

In the injection mold, the number of the second driving blocks is two, and the inclined planes on the two second driving blocks are arranged oppositely.

In the injection mold, when the second core is transferred from the station to the station II or from the station II to the station I, the first driving block and the second driving block are gradually changed from line-surface contact to surface-surface contact.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the injection mold provided by the invention, the second core for connecting the metal insert is arranged to be in a rotatable structure, so that when the second core is positioned at the second station, a manipulator can conveniently pre-embed the metal insert into the mounting hole, the metal insert is not required to be loaded by manual operation, the injection efficiency of the air box is further improved, in addition, the air box after injection molding is rapidly demolded through the air pump, and the demolding efficiency is improved;

(2) in addition, the horizontal movement of the sliding block realizes the rotation of the second core without the intervention of other power sources, so that the rotation of the second core becomes simple and reliable;

(3) the positioning rod is arranged to be hollow, so that the output end of the air pump can use the hollow part of the positioning rod as a penetrating channel of the positioning rod, the air box is convenient to demould, channels do not need to be additionally arranged on the connecting block and the second core to serve as installation channels of the output end of the air pump, and the positioning rod is integrated and multipurpose;

(4) the driving part is arranged between the rotating shaft and the base, so that the second mold core can be controlled to accurately reach the first station or the second station in the rotating process, the second mold core can be prevented from rotating and transiting to damage a corresponding structure, and the service life of the injection mold is prolonged;

(5) a first driving block in the driving part is arranged at the end part of the rotating shaft, and a second driving block is arranged on the base, so that the driving part is convenient to install and debug, and the second core is ensured to just reach the position of a first station or a second station when the first driving block and the second driving block rotate in a contact mode;

(6) the first driving block is arranged to be in a cam structure, so that the first driving block is eccentrically arranged in the rotating process, the first driving block can be ensured to form reliable contact type rotating fit with the second driving block, and the first driving block is gradually changed from line surface contact to surface contact without generating instant abutting force when being in contact with the second driving block, so that the first driving block and the second driving block are protected;

(7) through setting up two second drive blocks, one of them second drive block can be along with the removal of slider with the second core from the station change to station two, another second drive block can be along with the removal of slider with the second core from station two change to station one, but realize the second core when rotating between station one and station two automatically realize, thereby improve the fashioned efficiency of moulding plastics of air box, in addition, there is certain clearance between two second drive blocks, with this reliable rotation of guaranteeing the second core, and leave sufficient space and be convenient for the manipulator to put into the mounting hole of second core with metal insert.

Drawings

Fig. 1 is a partial structural schematic view of an air box of the present invention.

FIG. 2 is a schematic view of a portion of a second core in a station one in the injection mold of the present invention.

FIG. 3 is a schematic view of a second core in a second station of the injection mold according to the present invention.

In the figure, 100, an air box; 110. a first injection molded part; 120. a second injection molded part; 130. a metal insert; 200. a base; 210. a first core; 220. a slipping channel; 300. a slider; 310. a moving block; 320. a trigger block; 330. an inclined guide post; 400. rotating the block; 410. a second core; 411. mounting holes; 420. connecting blocks; 430. a rotating shaft; 440. positioning a rod; 500. a drive section; 510. a first driving block; 520. a second driving block; 521. a bevel; 600. an oil cylinder; 700. a first travel switch; 800. a second travel switch.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to 3, the present invention provides an injection mold for injection molding an air box 100, wherein the air box 100 includes a first injection molding part 110, a second injection molding part 120, and a metal insert 130, which are integrally formed, wherein the metal insert 130 is mounted on the second injection molding part 120, and the injection mold includes:

a base 200 on which a first core 210 for molding a first injection molded part 110 is disposed;

a slider 300 slidably connected to the base 200;

the rotating block 400 is rotatably connected to the sliding block 300, a second mold core 410 used for forming the second injection molding piece 120 is arranged on the rotating block 400, and a mounting hole 411 used for embedding the metal insert 130 is arranged on the second mold core 410, wherein a first station is arranged when the opening direction of the mounting hole 411 is perpendicular to the axis of the first mold core 210, a second station is arranged when the opening direction of the mounting hole 411 is parallel to the axis of the first mold core 210, and when the second mold core 410 is rotated from the first station to the second station, the metal insert 130 is placed into the mounting hole 411 through a manipulator;

and an air pump (not shown) having an output end extending into the mounting hole 411 of the second core 410, wherein after the injection molding of the air box 100 is completed, the air box 100 is demolded by the air pump.

According to the injection mold provided by the invention, the second mold core 410 for connecting the metal insert 130 is arranged to be a rotatable structure, so that when the second mold core 410 is positioned at the second station, a manipulator can conveniently pre-embed the metal insert 130 into the mounting hole 411, the loading of the metal insert 130 is not required to be completed manually, the injection molding efficiency of the air box 100 is further improved, in addition, the demolding of the air box 100 after injection molding is rapidly completed through the air pump, and the demolding efficiency is improved.

Preferably, the second core 410 is gradually transferred from station two to station one as the slide 300 moves in a direction approaching the first core 210; as the slide 300 moves in a direction away from the first core 210, the second core 410 gradually transitions from station one to station two.

It is further preferred that the second core 410 rotates between 0 ° and 90 ° from station to station two.

It is further preferable that the second core 410 is located at the position of the second station when the rotation angle is 90 °, and the metal insert 130 can be placed into the corresponding mounting hole 411 by a robot.

In this embodiment, the slider 300 moves in a direction away from the first core 210, so as to provide a sufficient space for the rotation of the second core 410, and the manipulator can smoothly place the metal insert 130 into the corresponding mounting hole 411, and in addition, the horizontal movement of the slider 300 realizes the rotation of the second core 410 without the intervention of other power sources, so that the rotation of the second core 410 becomes simple and reliable.

Preferably, the rotating block 400 includes a connecting block 420, and the connecting block 420 is connected to the slider 300 by a rotating shaft 430, wherein the connecting block 420 is connected to the second core 410, and an output end of the air pump sequentially penetrates through the connecting block 420 and the second core 410 and protrudes into the mounting hole 411 of the second core 410.

Further preferably, the connecting block 420 is connected to the second core 410 through a positioning portion, wherein the positioning portion includes a plurality of positioning rods 440 arranged in a hollow manner, and an output end of the air pump is inserted into the positioning rods 440 and is coaxially arranged with the mounting hole 411.

In this embodiment, can realize the accurate installation of connecting block 420 and second type core 410 through locating lever 440, guarantee that connecting block 420 can drive second type core 410 synchronous revolution moreover, and be the cavity form with locating lever 440 setting, make the output of air pump can wear the passageway as it with the well kenozooecium of locating lever 440, make things convenient for the drawing of patterns of air box 100, and need not to establish the passageway as the installation passageway of air pump output in addition on connecting block 420, second type core 410, realize a body that locating lever 440 is multi-purpose.

Preferably, a driving part 500 for driving the second core 410 to rotate from the station two to the station two or from the station two to the station one is disposed between the rotating shaft 430 and the base 200.

It is further preferable that the driving part 500 comprises a first driving block 510 connected to the rotating shaft 430, and a second driving block 520 connected to the base 200, wherein the first driving block 510 and the second driving block 520 realize the rotation of the second core 410 from the station two to the station two or from the station two to the station one through a contact-type rotation fit.

In the embodiment, the driving portion 500 is disposed between the rotating shaft 430 and the base 200, so that the second core 410 can be controlled to accurately reach the first station or the second station in the rotating process, and the second core 410 can be prevented from rotating and transiting to damage a corresponding structure, thereby prolonging the service life of the injection mold.

Further preferably, the driving part 500 is disposed between the end of the rotating shaft 430 and the base 200.

In this embodiment, the first driving block 510 of the driving part 500 is disposed at the end of the rotating shaft 430, and the second driving block 520 is disposed on the base 200, so as to facilitate the installation and adjustment of the driving part 500, and ensure that the second core 410 just reaches the position of the first station or the second station when the first driving block 510 and the second driving block 520 rotate in a contact manner.

Preferably, the first driving block 510 is arranged in a cam structure, and one side of the second driving block 520, which forms a contact-type rotation fit with the first driving block 510, is arranged in an inclined plane 521, wherein the end with the larger diameter of the first driving block 510 is connected with the rotating shaft 430, and the end with the smaller diameter of the first driving block 510 is used as a free end which forms a contact-type fit with the second driving block 520.

In this embodiment, the first driving block 510 is arranged to be a cam structure, so that the first driving block 510 is eccentrically arranged in the rotation process, and it is ensured that the first driving block 510 can form a reliable contact type rotation fit with the second driving block 520, and when the first driving block 510 and the second driving block 520 are contacted, the line-surface contact is gradually changed into the surface-surface contact, and no instant abutting force is generated, so as to protect the first driving block 510 and the second driving block 520, and in addition, the second driving block 520 is provided with the inclined surface 521, so that when the first driving block 510 is contacted with the second driving block 520, the contact area between the first driving block 510 and the second driving block 520 is increased, and the reliability of the contact type rotation fit between the first driving block 510 and the second driving block 520 is improved.

Preferably, the number of the second driving blocks 520 is two, and the inclined surfaces 521 on the two second driving blocks 520 are oppositely arranged.

In this embodiment, two second driving blocks 520 are provided, wherein one of the second driving blocks 520 can rotate the second core 410 from the first position to the second position along with the movement of the slider 300, and the other second driving block 520 can rotate the second core 410 from the second position to the first position along with the movement of the slider 300, so that the second core 410 can be automatically rotated between the first position and the second position, thereby improving the injection molding efficiency of the air box 100, in addition, a certain gap is reserved between the two second driving blocks 520, thereby ensuring the reliable rotation of the second core 410, and leaving enough space for the manipulator to place the metal insert 130 into the mounting hole 411 of the second core 410.

Preferably, an oil cylinder 600 is arranged on the base 200, and the output end of the oil cylinder 600 is connected with the slider 300, and the slider 300 is pushed or pulled by the oil cylinder 600 to move on the base 200, wherein, when the oil cylinder 600 pushes the slider 300 to gradually approach the first core 210, the second core 410 is transferred from the second station to the first station; the second core 410 is transferred from station two to station two as the ram 600 pulls the slide 300 progressively away from the first core 210.

It is further preferable that the base 200 is provided with a sliding channel 220 for the slider 300 to move, and a guide portion is formed between both sides of the slider 300 and the side wall of the sliding channel 220, wherein the guide portion comprises a convex/concave portion provided on the slider 300 and a concave/convex portion correspondingly provided on the side wall of the sliding channel 220.

Preferably, two first travel switches 700 and one second travel switch 800 are arranged on an extension line of a position where the second driving block 520 is located on the base 200, a moving block 310 is slidably connected to the slider 300, and a trigger block 320 is arranged on the moving block 310, wherein an inclined guide post 330 for driving the moving block 310 to move on the slider 300 is arranged on the moving block 310, and the trigger block 320 forms contact triggering with the first travel switches 700 and the second travel switch 800 respectively through the movement of the moving block 310 on the slider 300.

Further preferably, the second travel switch 800 is located between two first travel switches 700.

The invention provides a working principle of an injection mold, in an initial state, a second core 410 is positioned at a first station, firstly, a slant guide post 330 drives a moving block 310 to move along a direction far away from a first core 210, so that a trigger block 320 on the moving block 310 is gradually close to a second travel switch 800, after the trigger block 320 is contacted with the second travel switch 800, a trigger oil cylinder 600 pulls a slide block 300 to move along a direction far away from the first core 210, a first driving block 510 on a rotating shaft 430 moves along a second driving block 520 far away from one end of the first core 210, when the trigger block 320 is contacted with the first travel switch 700 far away from one end of the first core 210, the movement of the slide block 300 is stopped, at the moment, the first driving block 510 on the rotating shaft 430 just completes contact type rotation matching with the second driving block 520 far away from one end of the first core 210, the second core 410 is rotated from the first station to a second station, the metal insert 130 is then placed into the mounting hole 411 of the second core 410 by a robot, the slider 300 is then driven again by the cylinder 600 to move in a direction to approach the first core 210, when the trigger block 320 is again in contact with the second stroke switch 800, the oil cylinder 600 is stopped, and then the moving block 310 is driven by the inclined guide post 330 to move continuously in a direction to approach the first core 210, when the trigger block 320 comes into contact with the first stroke switch 700 near one side of the first core 210 in the direction, the moving block 310 stops running, at this time, the first driving block 510 on the rotating shaft 430 just completes the contact type rotation matching with the second driving block 520 close to one end of the first mold core 210, the second mold core 410 is transferred from the second station to the first station, finally, the injection molding solution is introduced, the first injection molded part 110 is formed on the first core 210, the second injection molded part 120 is formed on the second core 410, and complete the integral molding of metal insert 130, first injection molded part 110, and second injection molded part 120.

It should be noted that the descriptions related to "first", "second", "a", etc. in the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicit indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides an injection mold for injection moulding air box, and this air box includes integrated into one piece's first injection molding, second injection molding and metal insert, and wherein, metal insert installs on the second injection molding, its characterized in that includes:

the sliding block is connected to the base in a sliding mode;

2. An injection mold according to claim 1, wherein the second core is progressively transferred from station two to station one as the slide moves in a direction approaching the first core; the second core is progressively transferred from station one to station two as the slide is moved in a direction away from the first core.

3. An injection mold according to claim 1, wherein the second core is rotated from station to station by an angle in the range of 0 ° to 90 °.

4. An injection mould according to any one of claims 1 to 3, wherein the turning block comprises a connecting block and the connecting block is connected to the slide by a pivot, wherein the connecting block is connected to the second core.

5. An injection mold as claimed in claim 4, wherein a drive portion is provided between the shaft and the base for driving the second core to rotate from station two to station two or from station two to station one.

6. An injection mold according to claim 5, wherein the driving portion is disposed between the end of the shaft and the base.

7. An injection mold according to claim 5, wherein the drive portion comprises a first drive block coupled to the shaft and a second drive block coupled to the base, wherein the first and second drive blocks effect a transfer of the second core from station two to station two or from station two to station one by a contact type rotational engagement therebetween.

8. An injection mould according to claim 7, wherein the first drive block is arranged in a cam configuration and the second drive block is arranged with an inclined surface on the side which is in contact rotational engagement with the first drive block.

9. An injection mould according to claim 8, wherein the number of second drive blocks is two and the inclined surfaces on the two second drive blocks are arranged oppositely.

10. An injection mold according to claim 7, wherein the first drive block and the second drive block gradually change from line-to-plane contact to surface-to-surface contact as the second core transitions from station two to station two, or from station two to station one.