Front mold ejection mechanism

Abstract

The utility model provides a front mold ejection mechanism which comprises an upper fixing plate, a hot runner plate, a plate A, a plate B, a mold corner and a lower fixing plate are sequentially arranged on the upper fixing plate downwards, one end of a rear buckle machine handle is arranged on the end face of the plate B, a first groove is formed in the top face of the plate A, and a second groove is formed in the top face of the plate B; a front mold ejector pin bottom plate and a front mold ejector pin panel are sequentially arranged in the first groove from top to bottom, a telescopic tongue is arranged between the front mold ejector pin bottom plate and the front mold ejector pin panel, and the extending end of the tongue can make contact with a rear buckle machine handle. According to the utility model, a set of ejection mechanism is additionally arranged on the front mold, the ejector pin and the telescopic tongue between the front mold ejector pin bottom plate and the front mold ejector pin panel are arranged at the deep position of a reasonable position, and the tongue on the front mold ejector pin bottom plate is pulled by the rear buckling machine handle, so that the problems of large enclasping force, easiness in mold sticking, easiness in product pulling and the like when a product is pulled to the front mold are effectively solved. And the appearance of the product is unqualified, so that the product is bad, and the product is normally left in the rear mold.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a front mold ejection mechanism. Background Art

[0002] Currently, reference Figure 1 Because the front mold of the product has a deeper bone position, the front mold deep concave structure 1 is located in the deep concave of the product, which has the following technical defects: large clamping force, easy mold sticking, easy product damage, unqualified product appearance, resulting in defective products.

[0003] Therefore, how to design a front mold ejection mechanism has become an urgent problem to be solved. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a front mold ejection mechanism to solve at least one of the above technical problems.

[0005] The technical solution of the utility model is: a front mold ejection mechanism, comprising an upper fixed plate, on which a hot runner plate, an A plate, a B plate, a mold angle, and a lower fixed plate are sequentially arranged downwardly, one end of a rear buckle machine handle is arranged on the end surface of the B plate, a first groove is arranged on the top surface of the A plate, a front mold ejector bottom plate and a front mold ejector face plate are sequentially arranged in the first groove from top to bottom, a retractable tongue is arranged between the front mold ejector bottom plate and the front mold ejector face plate, and the protruding end of the tongue can contact the rear buckle machine handle.

[0006] The utility model adopts the method of adding a set of ejection mechanisms to the front mold, arranging ejectors at the depth of the bone position at a reasonable position, and a retractable tongue between the front mold ejector bottom plate and the front mold ejector panel. The tongue on the front mold ejector bottom plate is pulled by the rear buckle machine handle, which effectively solves the technical defects of the product pulling the front mold, the large clamping force, the easy mold sticking, the easy product damage, the unqualified product appearance, and the resulting product defect, so that the product can stay in the rear mold normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 This is a schematic diagram of the structure of the product to be processed of the utility model.

[0008] Figure 2 It is a schematic diagram of the installation structure of the utility model.

[0009] Figure 3 It is a three-dimensional diagram of the installation structure of the rear buckle machine handle of the utility model.

[0010] Figure 4 for Figure 3 main view.

[0011] In the figure: 1. Deep concave structure of front mold; 2. Upper fixed plate; 3. Hot runner plate; 4. A plate; 5. Front mold ejector bottom plate; 6. Front mold ejector panel; 7. B plate; 8. Mold angle; 9. Lower fixed plate; 10. Back buckle machine handle; 11. Tongue return block; 12. Tongue; 13. Spring. DETAILED DESCRIPTION

[0012] The utility model is further described below in conjunction with the accompanying drawings.

[0013] See also Figure 1-4 The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0014] Embodiment 1: A front mold ejection mechanism, referring to Figure 2 , Figure 3 , including an upper fixed plate 2, on which a hot runner plate 3, an A plate 4, a B plate 7, a mold angle 8, and a lower fixed plate 9 are sequentially arranged downwardly, one end of a back-locking machine handle 10 is arranged on the end surface of the B plate 7, a first groove is arranged on the top surface of the A plate 4, and a front mold ejector bottom plate 5 and a front mold ejector panel 6 are sequentially arranged in the first groove from top to bottom, and a retractable tongue 12 is arranged between the front mold ejector bottom plate 5 and the front mold ejector panel 6, and the protruding end of the tongue 12 can contact the back-locking machine handle 10. The utility model adopts the method of adding a set of ejection mechanisms to the front mold, arranging ejectors at the depth of the bone position at a reasonable position, and a retractable tongue between the front mold ejector bottom plate and the front mold ejector panel. The tongue on the front mold ejector bottom plate is pulled by the back-locking machine handle, which effectively solves the technical defects of the product pulling the front mold, large clamping force, easy mold sticking, easy product damage, unqualified product appearance, and poor product quality, so that the product can stay in the back mold normally.

[0015] Embodiment 2: Based on Embodiment 1, the rear buckle machine handle 10 is an inverted first L-shaped structure, the horizontal plate end of the first L-shaped structure is connected to the end surface of the B plate 7 by bolts, a second groove is provided in the middle of the vertical plate of the first L-shaped structure, the second groove is arranged perpendicularly to the horizontal plate of the first L-shaped structure, the second groove penetrates the vertical plate of the first L-shaped structure away from one end of the horizontal plate of the first L-shaped structure, and a tongue return block 11 is provided in the second groove. The utility model adopts a rear buckle machine handle of the first L-shaped structure, the tongue return block is installed in the second groove of the first L-shaped structure, and the tongue return block is arranged perpendicularly to the horizontal plate of the first L-shaped structure.

[0016] Embodiment 3: Based on Embodiment 2, the tongue return block 11 is fixed to the A-plate 4 at one end of the horizontal plate close to the first L-shaped structure, and the other end of the tongue return block 11 can contact the tongue 12. The utility model adopts the A-plate to fix the tongue return block at one end of the horizontal plate close to the first L-shaped structure, and the other end of the tongue return block can contact the tongue.

[0017] Embodiment 4: Based on embodiment 3, a U-shaped opening groove is provided on one end of the vertical plate of the first L-shaped structure away from the horizontal plate, and the opening direction of the U-shaped opening groove is arranged in the same direction as the horizontal plate of the first L-shaped structure, and the upper end surface of the tongue 12 can contact the inner side surface of the upper horizontal plate of the U-shaped opening groove.

[0018] The utility model adopts a U-shaped opening groove to place the tongue, and the upper end surface of the tongue can contact the inner side surface of the upper horizontal plate of the U-shaped opening groove.

[0019] Embodiment 5: Based on the embodiment 4, the end of the tongue 12 away from the U-shaped opening groove is provided with countersunk holes arranged at intervals, and any countersunk hole is provided with a spring 13. The utility model adopts countersunk holes to place springs, which facilitates the movement of the tongue.

[0020] Embodiment 6: Based on Embodiment 4, Figure 4 The end of the tongue 12 close to the U-shaped opening groove is a first right-angle trapezoidal block, and the inclined surface of the first right-angle trapezoidal block is close to the bottom of the U-shaped opening groove. The utility model adopts that one end of the tongue is the first right-angle trapezoidal block.

[0021] Embodiment 7: Based on Embodiment 6, the other end of the tongue return block 11 is a second right-angled trapezoidal block, and the inclined surface of the second right-angled trapezoidal block is close to the inclined surface of the first right-angled trapezoidal block. The utility model adopts that the other end of the tongue return block is a second right-angled trapezoidal block, and the inclined surface of the second right-angled trapezoidal block can contact the inclined surface of the first right-angled trapezoidal block.

[0022] When implementing it, refer to Figure 4The structural principle of the utility model is that the mold is opened, the rear buckle machine handle 10 on the B plate 7 pulls the tongue 12 on the front mold ejector bottom plate 5, so that the front mold ejector plate synchronously opens the mold dimension Y, Y=24.39mm (the front mold deep bone position is separated from the front mold core cavity), because there is a spring 13 under the tongue 12, the tongue return block 11 will move downward dimension X after contacting the tongue 12, X=5mm, the rear mold buckle machine and the tongue 12 are separated, and the A plate 4 and the B plate 7 continue to open the mold.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A front mold ejection mechanism, comprising an upper fixing plate (2), characterized in that: The upper fixed plate (2) is provided with a hot runner plate (3), an A plate (4), a B plate (7), a mold angle (8), and a lower fixed plate (9) in sequence downwardly; one end of a rear buckle machine handle (10) is provided on the end surface of the B plate (7); a first groove is provided on the top surface of the A plate (4); a front mold ejector base plate (5) and a front mold ejector panel (6) are provided in sequence from top to bottom in the first groove; a retractable tongue (12) is provided between the front mold ejector base plate (5) and the front mold ejector panel (6); and the protruding end of the tongue (12) can contact the rear buckle machine handle (10).

2. A front mold ejection mechanism according to claim 1, characterized in that: The rear buckle machine handle (10) is an inverted first L-shaped structure, the horizontal plate end of the first L-shaped structure is connected to the end surface of the B plate (7) by bolts, a second groove is provided in the middle of the vertical plate of the first L-shaped structure, the second groove is arranged perpendicular to the horizontal plate of the first L-shaped structure, the second groove passes through the vertical plate of the first L-shaped structure away from one end of the horizontal plate of the first L-shaped structure, and a tongue return block (11) is provided in the second groove.

3. A front mold ejection mechanism according to claim 2, characterized in that: One end of the tongue return block (11) close to the transverse plate of the first L-shaped structure is fixed on the A plate (4), and the other end of the tongue return block (11) can contact the tongue (12).

4. A front mold ejection mechanism according to claim 3, characterized in that: A U-shaped opening groove is arranged at one end of the vertical plate of the first L-shaped structure away from the horizontal plate, and the opening direction of the U-shaped opening groove is arranged in the same direction as the horizontal plate of the first L-shaped structure, and the upper end surface of the tongue (12) can contact the inner side surface of the upper horizontal plate of the U-shaped opening groove.

5. A front mold ejection mechanism according to claim 4, characterized in that: One end of the tongue (12) away from the U-shaped opening groove is provided with countersunk holes arranged at intervals, and a spring (13) is arranged in any countersunk hole.

6. A front mold ejection mechanism according to claim 4, characterized in that: One end of the tongue (12) close to the U-shaped opening groove is a first right-angle trapezoidal block, and the inclined surface of the first right-angle trapezoidal block is close to the bottom of the U-shaped opening groove.

7. A front mold ejection mechanism according to claim 6, characterized in that: The other end of the tongue return block (11) is a second right-angled trapezoidal block, and the inclined surface of the second right-angled trapezoidal block is close to the inclined surface of the first right-angled trapezoidal block.

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