CN218315050U - Secondary ejection device of injection mold - Google Patents

Abstract

The utility model discloses an injection mold secondary ejecting device relates to injection mold technical field, two ejection mechanism are installed to the symmetry on the mould, the mould includes bottom plate, curb plate, B board, inboard thimble board and outside thimble board, two curb plates are installed to the top symmetry of bottom plate, the B board is installed at the curb plate top, inboard thimble board and the equal slidable mounting of outside thimble board just are located between two curb plates at the bottom plate top, ejection mechanism includes guide block, ejector pad, spacing screw, first pin, the guide block is installed on the bottom plate. The utility model discloses in for control dual ejection mechanism, in the precedence order of the ejecting in-process of mould, earlier with the back-off characteristic and the oblique separation of pushing up of product, then with the relevant spare part separation of product and all ejection mechanism, realize that the automation of product drops or the manipulator gets the piece.

Description

Secondary ejection device of injection mold

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold secondary ejecting device.

Background

The secondary ejection is applied to moulds with more pitched roof mechanisms, such as complex moulds of automobile covering parts, interior trim parts and the like, the core-pulling distance of the internal pitched roof is long, the directions are inconsistent, products are easily clamped between the pitched roofs, and when a manipulator takes the parts, the products cannot be smoothly taken out of the moulds by the pulling force of a sucker, so that the automatic production of the moulds is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an injection mold secondary ejecting device has solved inside oblique top and has loosed core the distance long, and the direction is inconsistent, presss from both sides the product between the oblique top easily, and the manipulator is when getting the piece, and the pulling force of sucking disc can't take out the product from the mould smoothly to influence the automatic production's of mould technical problem.

For solving the technical problem, the utility model provides a pair of injection mold secondary ejecting device, including mould and ejection mechanism, two ejection mechanism are installed to the symmetry on the mould, the mould includes bottom plate, curb plate, B board, inboard thimble board and outside thimble board, two curb plates are installed to the top symmetry of bottom plate, the B board is installed at the curb plate top, the equal slidable mounting of inboard thimble board and outside thimble board is at the bottom plate top and lie in between two curb plates, it establishes to install oblique footstock on the inboard thimble board, the thimble rod is all installed to outside thimble board four corners department, the top of thimble rod corresponds with the four corners position of product, ejection mechanism includes guide block, ejector block, spacing screw, first pin, the guide block is installed on the bottom plate, the inboard of guide block is provided with two ejector blocks, two the through-hole has all been seted up on the ejector block, the inside of through-hole is provided with spacing screw, the ejector block constitutes fixedly through spacing screw and outside thimble board, first pin is installed on the inboard thimble board, first pin and ejector block contact fit.

Preferably, the guide block bottom section is provided with counter bore and pinhole, the internally mounted of counter bore has the fixed screw, the internally mounted of pinhole has the second pin, the guide block passes through the fixed screw and the second pin constitutes fixedly with the bottom plate for the guide block installation is stable, and the installation is dismantled conveniently.

Preferably, the outer diameter of the through hole is larger than that of the limiting screw, so that the push block can rotate by taking the limiting screw as an axis, and the push block can rotate freely in the ejection process and can serve the counterforce of the push block.

Preferably, the guide block is U-shaped, and the push block is arranged on the inner side of the guide block in a sliding mode and plays a role in guiding the push block.

Preferably, a fixed block is installed on the front section of the guide block, and the fixed block is fixed with the guide block through bolting, so that the strength of the guide block is increased, and the push block is prevented from being damaged by lateral force in the ejection process.

Preferably, two one side shaping of ejector pad laminating is fluted, first pin is located the inside of recess, realizes first pin and ejector pad contact complex effect.

Preferably, the four corners of the bottom surface of the B plate are provided with slide bars, the inner side ejector plate is arranged on the slide bars in a sliding mode, the movement of the inner side ejector plate is guided, and the inner side ejector plate is prevented from deviating in position in the moving process.

Preferably, the cover is equipped with supporting spring on the slide bar, supporting spring's top and B board bottom surface are connected, supporting spring's bottom and inboard thimble board top surface are connected, promote inboard thimble board through supporting spring's elasticity for inboard thimble board resets more conveniently.

Compared with the prior art, the utility model provides a pair of ejecting device of injection mold secondary has following beneficial effect:

the device simple structure, the processing degree of difficulty is little, and is great to the mould machining error, and it is convenient to adjust, and the specially adapted large-scale mould is ejecting, enables the ejector plate at ejecting in-process, ensures that the parallel of four limits of ejector plate is ejecting, and the reaction force that ejecting bore is superior to other mechanisms.

Drawings

FIG. 1 is a schematic structural diagram of a secondary ejection apparatus for an injection mold;

FIG. 2 is a schematic structural diagram of an ejection mechanism in a secondary ejection device for an injection mold;

FIG. 3 is a schematic view of a top view of an ejection mechanism of a device for secondary ejection of an injection mold;

fig. 4 is a schematic view of the bottom structure of an ejection mechanism in a device for secondary ejection of an injection mold.

The reference numbers in the figures: 1. a guide block; 2. a push block; 3. a limiting screw; 4. a fixed block; 5. a first pin; 6. fixing screws; 7. a second pin; 8. a base plate; 9. a side plate; 10. b, plate; 11. an inner thimble plate; 12. an outer thimble plate; 13. a thimble rod; 14. a slide bar; 15. the spring is supported.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The first embodiment is given by figures 1-4, an injection mold secondary ejection device comprises a mold and ejection mechanisms, two ejection mechanisms are symmetrically installed on the mold, the mold comprises a bottom plate 8, side plates 9, a B plate 10, an inner ejector plate 11 and an outer ejector plate 12, the two side plates 9 are symmetrically installed at the top of the bottom plate 8, the B plate 10 is installed at the top of the side plates 9, the inner ejector plate 11 and the outer ejector plate 12 are both slidably installed at the top of the bottom plate 8 and located between the two side plates 9, an inclined ejector seat is installed on the inner ejector plate 11, ejector rods 13 are installed at four corners of the outer ejector plate 12, the top ends of the ejector rods 13 correspond to four corners of a product, the ejection mechanisms comprise guide blocks 1, ejector blocks 2, limit screws 3 and first pins 5, the guide blocks 1 are installed on the bottom plate 8, the inner sides of the guide blocks 1 are provided with the two ejector blocks 2, through holes are formed in the two ejector blocks 2, the through the limit screws 3, the ejector blocks 2 are fixed with the outer ejector plate 12 through the first pins 5, the first pins 5 are installed on the inner sides, and the ejector plates 11, and the first pins are in contact with the ejector blocks 2.

The bottom section of the guide block 1 is provided with a counter bore and a pin hole, the inside of the counter bore is provided with a fixing screw 6, the inside of the pin hole is provided with a second pin 7, and the guide block 1 is fixed with a bottom plate 8 through the fixing screw 6 and the second pin 7, so that the guide block 1 is stable to install and convenient to install and disassemble.

The outer diameter of the through hole is larger than that of the limiting screw 3, so that the push block 2 can rotate by taking the limiting screw 3 as an axis, and the push block 2 can rotate freely in the ejection process and can serve the counterforce of the push block 2.

The guide block 1 is U-shaped, and the push block 2 is arranged on the inner side of the guide block 1 in a sliding mode and plays a role in guiding the push block 2.

Fixed block 4 is installed to 1 anterior segment of guide block, and fixed block 4 constitutes fixedly through the bolt with guide block 1, increases guide block 1's intensity, prevents the destruction of the yawing force that ejector pad 2 received at ejecting in-process.

One side shaping of two ejector pad 2 laminating is fluted, and first pin 5 is located the inside of recess, realizes first pin 5 and ejector pad 2 contact complex effect, makes ejector pad 2 when ejecting, can act on first pin 5 simultaneously, reaches balanced ejecting effect.

Four corners of the bottom surface of the B plate 10 are provided with sliding rods 14, and the inner ejector plate 11 is arranged on the sliding rods 14 in a sliding mode, so that the movement of the inner ejector plate 11 is guided, and the inner ejector plate 11 is prevented from being shifted in the moving process.

The slide bar 14 is sleeved with a supporting spring 15, the top end of the supporting spring 15 is connected with the bottom surface of the B plate 10, the bottom end of the supporting spring 15 is connected with the top surface of the inner side ejector plate 11, the inner side ejector plate 11 is pushed through the elastic force of the supporting spring 15, and the inner side ejector plate 11 is enabled to reset more conveniently.

The working principle is as follows: after the mold is opened, a push rod of the injection molding machine is connected with an outer ejector plate 12 for ejection, the outer ejector plate 12 forces the inner ejector plate 11 and the first pin 5 to be ejected upwards due to acting forces of the guide block 1 and the ejector block 2, in the process, the ejection actions of the outer ejector plate 12 and the inner ejector plate 11 are synchronous, when the upward movement of the ejector block 2 is separated from the length of the guide block 1, the two ejector blocks 2 rotate towards two sides due to the tension of the first pin 5, the rotated ejector block 2 cannot continuously push the inner ejector plate 11, at this moment, the inner ejector plate 11 stops moving, the outer ejector plate 12 continues ejection, and therefore the secondary ejection sequence is realized.

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

Claims (8)

1. The utility model provides an injection mold secondary ejecting device, includes mould and ejection mechanism, its characterized in that, two ejection mechanism are installed to the symmetry on the mould, the mould includes bottom plate (8), curb plate (9), B board (10), inboard thimble board (11) and outside thimble board (12), two curb plate (9) are installed to the top symmetry of bottom plate (8), install at curb plate (9) top B board (10), equal slidable mounting is just located between two curb plate (9) at bottom plate (8) top in inboard thimble board (11) and outside thimble board (12), ejection mechanism includes guide block (1), ejector block (2), spacing screw (3), first pin (5), install on bottom plate (8) guide block (1), the inboard of guide block (1) is provided with two ejector block (2), two the through-hole has all been seted up on ejector block (2), the inside of through-hole is provided with spacing screw (3), ejector block (2) constitute fixedly through spacing screw (3) and outside thimble board (12), install on first pin (5) inboard ejector block (11) and the cooperation of ejector block (5).

2. An injection mold secondary ejection device according to claim 1, wherein a counter bore and a pin hole are formed in the bottom section of the guide block (1), a fixing screw (6) is installed inside the counter bore, a second pin (7) is installed inside the pin hole, and the guide block (1) is fixed to the bottom plate (8) through the fixing screw (6) and the second pin (7).

3. An injection mold secondary ejection apparatus as claimed in claim 1, wherein the outer diameter of the through hole is larger than the outer diameter of the limit screw (3).

4. An injection mold secondary ejection apparatus as claimed in claim 1, wherein the guide block (1) is "U" shaped, and the push block (2) is slidably disposed inside the guide block (1).

5. An injection mold secondary ejection device as claimed in claim 1, characterized in that a fixed block (4) is installed at the front section of the guide block (1), and the fixed block (4) is fixed with the guide block (1) through bolting.

6. An injection mold secondary ejection device according to claim 1, characterized in that, a groove is formed on the side where the two push blocks (2) are jointed, and the first pin (5) is located inside the groove.

7. An injection mold secondary ejection device according to claim 1, characterized in that slide bars (14) are installed at four corners of the bottom surface of the B plate (10), and the inner ejector plate (11) is slidably arranged on the slide bars (14).

8. An injection mold secondary ejection device according to claim 7, wherein the slide rod (14) is sleeved with a support spring (15), the top end of the support spring (15) is connected with the bottom surface of the B plate (10), and the bottom end of the support spring (15) is connected with the top surface of the inner ejector plate (11).

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