CN111331780B

CN111331780B - In-mold leveling hardware fitting mechanism

Info

Publication number: CN111331780B
Application number: CN202010208584.7A
Authority: CN
Inventors: 李鹏程
Original assignee: SHENZHEN KAIZHONG PRECISION TECHNOLOGY CO LTD
Current assignee: SHENZHEN KAIZHONG PRECISION TECHNOLOGY CO LTD
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2022-02-11
Anticipated expiration: 2040-03-23
Also published as: CN111331780A

Abstract

The invention provides an in-mold leveling hardware fitting mechanism, which belongs to the technical field of injection molds and comprises the following components: the sliding block is provided with an upper sliding block and a lower sliding block which are detachably connected, a small inclined top which can obliquely slide upwards relative to the sliding block is arranged between the upper sliding block and the lower sliding block, and when the sliding block slides towards the placing platform, the small inclined top can be driven to deflect towards the direction far away from the upper sliding block; the in-mold leveling hardware fitting mechanism can enable the sliding block to smoothly enter the hardware fitting opening during injection molding, so that the hardware fitting is prevented from being scratched, and the hardware fitting is fixed and the bending angle of the hardware fitting is corrected under the combined action of the small inclined top and the upper-layer sliding block.

Description

In-mold leveling hardware fitting mechanism

Technical Field

The invention relates to the technical field of injection molds, in particular to an in-mold leveling hardware fitting mechanism.

Background

During injection molding, hardware needs to be embedded in part of products, so that the hardware is partially embedded into the products. In the existing design, a manual insert or a sliding block is inserted into a hardware fitting in a direct-in mode for a general movable die so as to fix the hardware fitting.

However, when the hardware is stamped, the bending angle of the hardware fluctuates to some extent, and the hardware is easily scratched by inserting the hardware in a straight-in manner.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that the hardware is easily scratched when a mold in the prior art is inserted into the hardware, so that the in-mold leveling hardware mechanism is provided.

In order to solve the above technical problem, the present invention provides an in-mold leveling hardware fitting mechanism, including:

the rear die is provided with a placing platform for accommodating hardware fittings;

the sliding block is arranged on the rear die and can slide towards the placing platform along the rear die;

the sliding block is provided with an upper layer sliding block and a lower layer sliding block which are detachably connected, a small inclined top is arranged between the upper layer sliding block and the lower layer sliding block, and the small inclined top can obliquely slide upwards relative to the sliding block towards the direction of the placing platform; when the slide block slides towards the placing platform, the small inclined top can be driven to deflect towards the direction far away from the upper-layer slide block;

and a blocking structure is arranged at a position, opposite to the small pitched roof, on the rear die, and when the sliding block slides towards the placing platform, the blocking structure blocks the small pitched roof on a sliding path of the small pitched roof, so that the small pitched roof is driven by the sliding block to deflect towards a direction far away from the upper-layer sliding block.

Preferably, an elastic member is connected to the small lifter, and the elastic member has a biasing force biasing the small lifter toward a direction approaching the upper slider.

Preferably, the elastic member is a compression spring connected to the end of the small pitched roof.

Preferably, the barrier structure includes:

the vertical stop block is arranged on the small inclined top and is provided with a free end extending downwards vertically;

the groove is arranged on the rear die and provided with a first side wall close to the placing platform, the first side wall protrudes out of the sliding path of the small pitched roof, and the inner wall surface of the first side wall is a vertical surface.

Preferably, the groove is formed in an insert, and the insert is detachably connected to the rear mold.

Preferably, a positioning structure is further provided between the upper sliding block and the small pitched roof, and the positioning structure includes: the positioning groove and the elastic positioning ejector rod matched with the positioning groove.

Preferably, the positioning groove is arranged on the upper surface of the small inclined top;

the elastic positioning ejector rod is arranged on the upper layer sliding block, and the top end of the elastic positioning ejector rod is provided with an ejector bead which elastically extends towards the small inclined top.

Preferably, the elastic positioning ejector rod is a wave ball screw.

Preferably, the hardware is a bending hardware with a bottom edge formed after downward bending, and the front end of the sliding block is suitable for extending above the bottom edge of the bending hardware.

As a preferred scheme, the bottom edge of the bending hardware fitting is provided with a positioning hole;

the placing platform is provided with a positioning column suitable for being inserted into the positioning hole.

The technical scheme of the invention has the following advantages:

1. according to the in-mold leveling hardware fitting mechanism, during injection molding, a hardware fitting is placed on a rear mold, and then a sliding block slides towards the direction of the hardware fitting so as to fix the hardware fitting; before the sliding block slides towards the hardware fitting direction, firstly, the size of the front-end longitudinal section of the sliding block is smaller than the size of the opening of the hardware fitting, so that the sliding block can smoothly enter the opening of the hardware fitting, and the hardware fitting is prevented from being scratched; at the gliding in-process of slider orientation gold utensil direction, after the part of slider front end entered into the opening of gold utensil, the little oblique top that is located in the middle of the slider is stopped the structure and is prevented advancing, then at the slider in-process that continues to slide forward, under the drive of slider, make little oblique top along the direction removal of keeping away from the upper slider, like this, can make little oblique top directly press to the lower level of gold utensil, under the combined action of little oblique top and upper slider at last, accomplish the fixed of gold utensil and to the correction of gold utensil angle degree of turning over.

2. The in-mold leveling hardware fitting mechanism provided by the invention has the advantages that the elastic piece connected to the small inclined top is used for keeping the small inclined top to be upwardly deviated to a position closest to the upper-layer sliding block, so that the small inclined top cannot slide downwards under the action of gravity, the small inclined top is prevented from automatically falling down, and the fastening performance of a mold is improved.

3. The in-mold leveling hardware fitting mechanism provided by the invention has the advantages that the elastic piece for stabilizing the small inclined top adopts the compression spring arranged at the tail end of a small protocol, so that the installation and the arrangement are convenient, and the cost can be saved;

and the lower layer slide block is provided with a slide groove for supporting the small pitched roof and limiting the slide track of the small pitched roof, and after the small pitched roof is blocked by the blocking structure, the small pitched roof can downwards shift and slide along the slide groove on the lower layer slide block under the driving of the upper layer slide block.

4. The in-mold leveling hardware fitting mechanism provided by the invention is used for a blocking structure for blocking the small pitched roof and limiting the subsequent moving path of the small pitched roof, and the small pitched roof can only vertically move downwards after being blocked by the limitation, so that the small pitched roof vertically presses down the hardware fitting, and the hardware fitting is prevented from being scratched by the small pitched roof.

5. The in-mold leveling hardware fitting mechanism is used in a blocking structure for blocking a small pitched roof, a groove is formed in an insert, and the insert is detachably connected to a rear mold, so that the abraded groove is convenient to maintain; the groove is provided with a second side wall, the top surface of the second side wall of the groove and/or the bottom surface of the vertical stop block are arranged in an inclined mode, the inclined mode is used for buffering the contact between the second side wall of the groove and the vertical stop block, and the vertical stop block is prevented from directly colliding with the second side wall of the groove.

6. The in-mold leveling hardware fitting mechanism is provided with a positioning structure arranged between an upper-layer sliding block and a small pitched roof, and is used for limiting the free sliding of the small pitched roof so that the small pitched roof can be kept at a preset position; moreover, the sound of the positioning structure can remind the position of the small pitched roof.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an in-mold leveling hardware mechanism according to the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a front sectional structural view of fig. 1.

Fig. 4 is an exploded view of the hardware and the placement platform.

Description of reference numerals:

1. a rear mold; 2. an upper layer slider; 3. a small pitched roof; 4. an elastic member; 5. a lower layer slide block; 6. a vertical stop block; 7. an insert; 8. a trench; 9. a first side wall; 10. a second side wall; 11. a positioning groove; 12. elastically positioning the ejector rod; 13. a top bead; 14. a hardware fitting; 15. positioning holes; 16. placing a platform; 17. a positioning column; 18. and (6) an inclined guide post.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiment provides an in-mold leveling hardware fitting 14 mechanism which comprises a rear mold 1 and a slide block, wherein the slide block slides on the rear mold 1 through the driving of a slant guide post 18, as shown in figure 1. The hardware fittings 14 are fixed under the combined action of the rear die 1 and the sliding blocks, the front end of the rear die 1 is provided with a placing platform 16 used for accommodating the hardware fittings 14, and the sliding blocks can slide on the rear die 1 in a reciprocating mode along the rear die 1 towards the placing platform 16.

As shown in fig. 2, the slide block comprises an upper slide block 2 and a lower slide block 5 which are detachably connected through screws, a small inclined top 3 is arranged between the upper slide block 2 and the lower slide block 5, and the small inclined top 3 can slide upwards in an inclined way relative to the slide block towards the direction of the placing platform 16. Specifically, a sliding groove for supporting the small pitched roof 3 is arranged above the lower-layer slide block 5, the small pitched roof 3 is slidably connected in the sliding groove through an elastic piece 4, the elastic piece 4 is specifically a compression spring, and the small pitched roof 3 has a biasing force which is biased towards the direction close to the upper-layer slide block 2 through the compression spring, namely, the small pitched roof 3 is biased upwards to a position closest to the upper-layer slide block 2, so that the small pitched roof cannot slide downwards under the action of gravity; when the slider slides towards the placing platform 16, the small pitched roof 3 slides along with the slider, and after the small pitched roof 3 meets a blocking structure, the small pitched roof 3 can downwards shift towards the direction far away from the upper-layer slider 2 through the driving of the slider.

As shown in fig. 2 and 3, a blocking structure is provided on the rear mold 1 at a position opposite to the small lifter 3, and the blocking structure includes: the mold comprises a vertical stop 6 arranged on the small pitched roof 3 and a groove 8 detachably connected to an insert 7 on the rear mold 1, wherein the free end of the vertical stop 6 extends downwards vertically, the groove 8 is provided with a first side wall 9 close to the placing platform 16, the first side wall 9 protrudes on a sliding path of the small pitched roof 3, and the inner wall surface of the first side wall 9 is a vertical surface. When the slide block slides towards the placing platform 16, the blocking structure blocks the small pitched roof 3 on the sliding path of the small pitched roof 3, so that the upper-layer slide block 2 drives the small pitched roof 3 to deflect towards the direction away from the upper-layer slide block 2. The groove 8 is further provided with a second side wall 10 far away from the placing platform 16, and the top surface of the second side wall 10 and the bottom surface of the vertical baffle block 6 are both obliquely arranged.

As shown in fig. 3, a positioning structure is further provided between the upper layer slider 2 and the small pitched roof 3, and the positioning structure includes: a positioning groove 11 and an elastic positioning mandril 12 matched with the positioning groove 11. The positioning groove 11 is arranged on the upper surface of the small inclined top 3; the elastic positioning ejector rod 12 is arranged on the upper layer sliding block 2, the top end of the elastic positioning ejector rod 12 is provided with an ejector bead 13 which extends towards the small inclined top 3 in an elastic mode, and specifically, the elastic positioning ejector rod 12 is set to be a wave bead screw.

As shown in fig. 4, the metal fitting 14 is a U-shaped bending metal fitting 14, the bending metal fitting 14 has a bottom edge formed by bending downward, and the front end of the slider is adapted to extend above the bottom edge of the bending metal fitting 14. The bottom edge of the bending hardware 14 is provided with a positioning hole 15, and the placing platform 16 is provided with a positioning column 17 suitable for being inserted into the positioning hole 15.

Principle of operation

As shown in fig. 3, when the metal fittings 14 are fixed to the mold, the upper slide 2 and the lower slide 5 are driven by the inclined guide posts 18, and the upper slide 2 and the lower slide 5 are moved together in the direction of the metal fittings 14.

When the upper layer slide block 2 and the lower layer slide block 5 are driven to advance for 23mm, the vertical stop block 6 on the small pitched roof 3 is in contact with the first side wall 9 of the groove 8 on the insert 7, the small pitched roof 3 is blocked and cannot advance continuously, and at the moment, a gap of 1.06mm exists between the lower part of the front end of the small pitched roof 3 and the hardware fitting 14, so that the hardware fitting 14 cannot be scratched.

Continue to drive upper slider 2 and lower floor's slider 5 forward movement through oblique guide pillar 18, because little oblique top 3 is blockked can not be forward this moment, under the drive of upper slider 2, little oblique top 3 begins to move along the vertical downwardly movement of slot 8, compresses tightly the base of gold utensil 14 through little oblique top 3 like this to carry out the mould internal correction to the angle of bending of gold utensil 14.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims

1. Levelling gold utensil mechanism in mould, its characterized in that includes:

a rear die (1) having a placement platform (16) for accommodating the hardware (14);

the sliding block is arranged on the rear die (1) and can slide along the rear die (1) towards the placing platform (16);

the sliding block is provided with an upper sliding block (2) and a lower sliding block (5) which are detachably connected, a small inclined top (3) is arranged between the upper sliding block (2) and the lower sliding block (5), and the small inclined top (3) can obliquely slide upwards relative to the sliding block towards the direction of the placing platform (16); when the slide slides towards the placing platform (16), the small pitched roof (3) can be driven to deflect towards the direction far away from the upper slide (2);

a blocking structure is arranged on the rear die (1) at a position opposite to the small pitched roof (3), and when the sliding block slides towards the placing platform (16), the blocking structure blocks the small pitched roof (3) on a sliding path of the small pitched roof (3), so that the small pitched roof (3) is driven by the sliding block to deflect towards a direction far away from the upper-layer sliding block (2);

the barrier structure includes:

the vertical stop block (6) is arranged on the small inclined top (3) and is provided with a free end extending downwards vertically;

the groove (8) is arranged on the rear die (1) and is provided with a first side wall (9) close to the placing platform (16), the first side wall (9) protrudes on a sliding path of the small inclined top (3), and the inner wall surface of the first side wall (9) is a vertical surface.

2. The in-mold leveling hardware mechanism according to claim 1, wherein an elastic member (4) is connected to the small lifter (3), and the elastic member (4) has a biasing force biasing the small lifter (3) toward a direction approaching the upper slider (2).

3. The in-mold leveling hardware mechanism of claim 2, wherein the elastic member (4) is a compression spring connected to the end of the small lifter (3).

4. The in-mold leveling hardware mechanism of claim 1, wherein the groove (8) is provided on an insert (7), the insert (7) being removably attached to the rear mold (1).

5. The in-mold leveling hardware fitting mechanism according to any one of claims 2-4, wherein a positioning structure is further arranged between the upper layer sliding block (2) and the small pitched roof (3), and the positioning structure comprises: the positioning device comprises a positioning groove (11) and an elastic positioning ejector rod (12) matched with the positioning groove (11).

6. The in-mold leveling hardware fitting mechanism according to claim 5, wherein the positioning groove (11) is provided on an upper surface of the small lifter (3);

the elastic positioning ejector rod (12) is arranged on the upper layer sliding block (2), and the top end of the elastic positioning ejector rod (12) is provided with an ejector bead (13) which elastically extends towards the small inclined top (3).

7. The in-mold leveling hardware fitting mechanism of claim 6, wherein the resilient positioning ejector pin (12) is a wave ball screw.

8. The in-mold leveling hardware tool mechanism according to any one of claims 1-4 or 6-7, characterized in that the hardware tool (14) is a bending hardware tool (14) with a bottom edge formed by bending downwards, and the front end of the sliding block is suitable for extending above the bottom edge of the bending hardware tool (14).

9. The in-mold leveling fitting mechanism according to claim 8, wherein the bending fitting (14) has a positioning hole (15) on a bottom edge;

the placing platform (16) is provided with a positioning column (17) which is suitable for being inserted into the positioning hole (15).

10. The in-mold leveling fitting mechanism according to claim 5, wherein the fitting (14) is a bending fitting (14) with a bottom edge formed by bending downwards, and the front end of the sliding block is suitable for extending above the bottom edge of the bending fitting (14).