A side draw ejection mechanism

Abstract

The present application provides a side-pulling ejection mechanism supported on a fixed mold or a movable mold in a sliding manner along a direction angled with respect to a mold opening direction, the side-pulling mechanism comprising: a slider seat slidably supported on one of the fixed mold and the movable mold and configured to slide along a first direction perpendicular to the mold opening direction; and a forming member comprising: a forming insert having a forming portion for forming an article, the forming insert configured to move synchronously with the slider seat; and a pin module comprising a pin and a pin support assembly, the pin passing through the forming insert and capable of abutting the article during forming of the article, the pin support assembly supporting the pin at an included angle with respect to the first direction and maintaining a contact state between the pin and the article within a first distance of the slider seat sliding during mold opening.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of mold forming, in particular to a side core-pulling ejection mechanism. BACKGROUND

[0002] With the progress of society, the development of science and technology, and the improvement of living standards, the public demand for daily consumer goods is increasing. Under market demand and industry competition, the update is accelerating, and the product structure is becoming more and more complex, which puts forward higher requirements for the manufacturing and structural design of forming molds. In order to meet the production requirements of products of different structures, various targeted mold structures emerge in an endless stream, effectively solving production problems, timely meeting market demand, and at the same time improving and raising the material living standards of the public.

[0003] The existing products with side core-pulling structure usually adopt the method of directly forming and demolding through inserts during the production process, but this forming method often causes some ribs and BOSS columns to be pulled apart or stuck on the inserts during demolding. In view of the above problems, the present application is proposed. SUMMARY

[0004] Based on the above problems, the present application aims to provide a side core-pulling ejection mechanism that can at least solve the technical problem of ribs and BOSS columns being pulled apart or stuck on inserts during forming.

[0005] The present application is implemented in the following manner. The present application provides a side core-pulling ejection mechanism supported on a fixed mold or a movable mold in a sliding manner along a direction at an angle to the parting direction, which includes:

[0006] a slide block seat slidably supported on one side of the fixed mold and the movable mold and configured to slide along a first direction perpendicular to the parting direction; and

[0007] a forming member including:

[0008] a forming insert having a forming part for forming a product, the forming insert being configured to move synchronously with the slide block seat; and

[0009] a ejector pin module including an ejector pin and an ejector pin support assembly, the ejector pin being provided on the forming insert and capable of abutting the product during forming, the ejector pin support assembly supporting the ejector pin at an angle to the first direction and supporting the ejector pin to maintain the contact state between the ejector pin and the product within a first distance of the slide block seat sliding during mold opening.

[0010] Preferably, the ejector pin support assembly includes:

[0011] an ejector pin plate assembly,

[0012] a first inner slider supported on the slider seat in a slidable manner along a first direction; and

[0013] a second inner slider supporting the ejector pin along a second direction having an included angle with the first direction, the second inner slider being configured to slide along a direction orthogonal to the second direction relative to the first inner slider.

[0014] Preferably, after the slider seat slides a first distance, the first inner slider is configured to move synchronously with the slider seat, and the second inner slider is driven by the moving first inner slider to drive the ejector pin away from the product.

[0015] Preferably, the slider seat is slidably arranged on a movable outer mold, the first inner slider is provided with a first limiting groove, a movable clamping piece is arranged on the slider seat, the movable outer mold is provided with a second limiting groove, and the movable clamping piece is driven by the first limiting groove and the second limiting groove to correspondingly separate or clamp the first inner slider and the slider seat.

[0016] Preferably, the ejector pin plate assembly includes an ejector pin plate and an ejector pin fixing plate, the ejector pin plate is positioned and supports the ejector pin in cooperation with the ejector pin fixing plate, and the second inner slider is fixedly connected to the ejector pin plate and / or the ejector pin fixing plate and is provided with a sliding part for sliding cooperation with the first inner slider.

[0017] Preferably, the oblique ejector assembly includes an oblique push rod and an ejector pin limiting part, the oblique push rod is fixedly supported on the fixed mold and pushes the slider seat to slide during mold opening, the ejector pin limiting part is arranged to protrude on the oblique push rod, the first inner slider has a sliding groove extending in the mold opening direction, and the ejector pin limiting part is configured to slide with the sliding groove within a first distance of the slider seat sliding.

[0018] By adopting the above technical scheme, the following technical effects can be achieved:

[0019] 1. The side extraction and ejection mechanism provided in the above scheme of the present application solves the technical problem that the BOSS column or rib strip is easily damaged or broken and stuck on the insert block during core pulling by arranging an ejector pin on the molding insert block and by the ejector pin stopping the BOSS column or rib strip during a certain stroke of core pulling. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present application, but not limit the present application.

[0021] Figure 1 FIG. 1 is a structural schematic view of the core pulling device and movable mold core of the present application;

[0022] Figure 2 Figure 3 is a structural schematic diagram of the core pulling device and the movable mold core of the present application;

[0023] Figure 3 Figure 4 is a cross-sectional structural schematic diagram of the core pulling device of the present application;

[0024] Figure 4 Figure 5 is a cross-sectional structural schematic diagram of the cooperation between the first inner sliding block and the inclined push rod of the present application.

[0025] Reference signs:

[0026] 1, movable mold core; 2, core pulling device; 21, forming insert; 22, sliding block seat; 23, movable clamping piece; 24, second limiting groove; 3, ejector pin module; 31, ejector pin; 32, ejector pin plate; 33, ejector pin fixing plate; 34, first inner sliding block; 341, sliding groove; 342, first limiting groove; 343, ejector pin limiting groove; 35, second inner sliding block; 351, sliding part; 4, inclined push rod; 41, ejector pin limiting part. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application.

[0028] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "upper end", "lower end", "upper section", "lower section", "upper side", "lower side", "middle", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] Now, the embodiments of the present application will be described in detail in combination with the drawings. Figures 1 to 4 The structure and functions of the scheme of the present application will be described in detail.

[0030] The present application provides a side core-pulling ejection mechanism of a molding die, which comprises a fixed die and a movable die. The fixed die comprises a fixed outer die (not shown in the figure) and a fixed die core (not shown in the figure), and the movable die comprises a movable die core 1, a movable outer die (not shown in the figure) and a core-pulling device 2. The side core-pulling ejection mechanism cooperates with the fixed die core and the movable die core 1 to form a cavity for molding a product. The side core-pulling ejection mechanism is slidably arranged on the movable die. Referring to Figure 1 and Figure 2 A slanted ejector rod 4 is fixed on the fixed die and presses against a support on the fixed die. The slanted ejector rod 4 is inserted into the sliding block seat 22 of the side core-pulling ejection mechanism in the closed state of the movable die and the fixed die, and pushes the sliding block seat 22 to move away from the product during the process of moving the movable die away from the fixed die. The movable die moves along the front-back direction relative to the fixed die, and the sliding block seat 22 is pushed by the slanted ejector rod 4 to move to the side of the movable die.

[0031] The present application is achieved in this way. The present application provides a side core-pulling ejection mechanism which is supported on the fixed die or the movable die in a sliding manner along a direction at an angle to the parting direction. The side core-pulling ejection mechanism comprises a sliding block seat 22 and a molding member. The molding member comprises a molding insert 21 and a pin 31 module 3. The sliding block seat 22 is slidably supported on the movable die, and the sliding block seat 22 is arranged to slide along a first direction perpendicular to the parting direction. The molding insert 21 has a molding portion for molding a product, and the molding insert 21 is arranged to move synchronously with the sliding block seat 22. The pin 31 module 3 comprises a pin 31 and a pin 31 support assembly. The pin 31 is inserted into the molding insert 21 and can abut against the product during molding. The pin 31 support assembly supports the pin 31 at an angle to the first direction and supports the pin 31 to maintain the contact state between the pin 31 and the product within a first distance of the sliding block seat 22 sliding during parting. By arranging the pin 31 on the molding insert 21, and by the pin 31 supporting the BOSS column or rib of the product within a certain stroke of core-pulling, the technical problem of the BOSS column or rib being easily damaged or broken on the insert during core-pulling is solved.

[0032] The pin 31 support assembly comprises a pin 31 plate assembly, a first inner sliding block 34 and a second inner sliding block 35. The first inner sliding block 34 is slidably supported on the sliding block seat 22 along the first direction, and the second inner sliding block 35 is connected to the pin 31 plate assembly and slidably supports the pin 31 plate assembly on the first inner sliding block 34. The pin 31 is at an obtuse angle to the sliding block seat 22, and the second inner sliding block 35 supports the pin 31 to slide relative to the first inner sliding block 34 along a direction perpendicular to the pin 31. The first inner sliding block 34 has a sliding groove 341 extending along a direction perpendicular to the pin 31, and the sliding groove 341 can be configured in the structure of a dovetail groove. The second inner sliding block 35 is arranged with a sliding portion 351 adapted to the sliding groove 341.

[0033] After the slider seat 22 slides a first distance, the first inner slider 34 is configured to move synchronously with the slider seat 22, and the second inner slider 35 is driven by the moving first inner slider 34 to drive the ejector pin 31 away from the workpiece. The slider seat 22 is slidably arranged on the movable outer mold, the first inner slider 34 is provided with a first limiting groove 342, the slider seat 22 is provided with a movable clamping piece 23, the movable outer mold is provided with a second limiting groove 24, and the movable clamping piece 23 is driven by the first limiting groove 342 and the second limiting groove 24 to correspondingly separate or clamp the first inner slider 34 and the slider seat 22. When the first inner slider 34 and the slider seat 22 are clamped, the slider seat 22 and the first inner slider 34 move synchronously, and the ejector pin 31 plate assembly is driven away from the workpiece.

[0034] The ejector pin 31 plate assembly includes an ejector pin 31 plate and an ejector pin 31 fixed plate. The ejector pin 31 plate is positioned and supported by the ejector pin 31 fixed plate. The second inner slider 35 is fixedly connected to the ejector pin 31 plate and / or the ejector pin 31 fixed plate, and is provided with a sliding part 351 for sliding cooperation with the first inner slider 34.

[0035] The side-ejecting ejecting mechanism further includes an inclined ejector assembly, which includes an inclined push rod 4 and an ejector pin 31 limiting part. The inclined push rod 4 is fixedly supported on the fixed mold and pushes the slider seat 22 to slide during mold opening. The ejector pin 31 limiting part is protruded on the inclined push rod 4. The first inner slider 34 has a sliding groove 341 extending in the mold opening direction. The ejector pin 31 limiting part is configured to slide with the sliding groove 341 within a first distance of the slider seat 22 sliding.

[0036] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any changes or replacements within the technical range disclosed by the present application can be easily thought by those skilled in the art, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A side draw ejection mechanism characterized by, The side core-pulling mechanism is supported on the fixed mold or the movable mold in a sliding manner along a direction angled with respect to the mold opening direction, and comprises: a slider seat slidably supported on one of the fixed mold and the movable mold and configured to slide along a first direction perpendicular to the mold opening direction; and a forming member comprising: a forming insert having a forming portion for forming an article, the forming insert being configured to move synchronously with the slider seat; and a pin module comprising a pin and a pin support assembly, the pin being provided on the forming insert and capable of abutting the article during forming of the article, the pin support assembly supporting the pin at an angle with respect to the first direction and maintaining a contact state between the pin and the article within a first distance of the slider seat sliding during mold opening.

2. The side draw ejection mechanism of claim 1, wherein, The pin support assembly comprises: a pin plate assembly, a first inner slider slidably supported on the slider seat along the first direction; and a second inner slider supporting the pin along a second direction having the angle with respect to the first direction, the second inner slider being configured to slide along a direction orthogonal to the second direction relative to the first inner slider.

3. The side draw ejection mechanism of claim 2, wherein, After the slider seat slides the first distance, the first inner slider is configured to move synchronously with the slider seat, and the second inner slider is driven by the moving first inner slider to drive the pin away from the article.

4. The side draw ejection mechanism of claim 3, wherein, The slider seat is slidably arranged on the movable outer mold, the first inner slider is provided with a first limiting groove, the slider seat is provided with a movable clamping piece, the movable outer mold is provided with a second limiting groove, and the movable clamping piece is driven by the first limiting groove and the second limiting groove to correspondingly separate or clamp the first inner slider and the slider seat.

5. The side draw ejection mechanism of claim 3, wherein, The pin plate assembly comprises a pin plate and a pin fixing plate, the pin plate is positioned and supports the pin in cooperation with the pin fixing plate, the second inner slider is fixedly connected with the pin plate and / or the pin fixing plate, and is provided with a sliding portion for sliding cooperation with the first inner slider.

6. The side draw ejection mechanism of claim 2, wherein, Further comprising an inclined pin assembly, the inclined pin assembly comprises an inclined push rod and a pin limiting portion, the inclined push rod is fixedly supported on the fixed mold and pushes the slider seat to slide during mold opening, the pin limiting portion is provided to protrude on the inclined push rod, the first inner slider has a sliding groove extending in the mold opening direction, and the pin limiting portion is configured to slide with the sliding groove within the first distance of the slider seat sliding.

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