CN218948360U - Pendulum top ejection mechanism - Google Patents

Abstract

The utility model discloses a swinging roof ejection mechanism which comprises a swinging roof body, a swinging roof cushion block, a swinging roof connecting rod and a connecting rod seat, wherein the swinging roof body is supported on the swinging roof cushion block, one end of the swinging roof connecting rod passes through the swinging roof cushion block and is connected with one end of the swinging roof body through a first rotating shaft, the other end of the swinging roof connecting rod is connected with the connecting rod seat through a second rotating shaft, a forming surface is arranged at the other end of the swinging roof body, a vertical surface and an inclined surface connected with the vertical surface are arranged on the surface opposite to the forming surface, a through groove matched with the shape of the swinging roof body is arranged on a rear template, a roof wire hole is arranged on the swinging roof body and close to the inclined surface, a ball head jackscrew is arranged in the roof wire hole, the ball head jackscrew comprises a shell, a ball head part and a spring, and the ball head part is positioned at the end of the spring, the ball head part is tightly matched with the inner wall of the through groove, and the swinging roof body can tilt under the elastic action of the ball head jackscrew. The smooth demoulding of the swinging roof body and the product back-off can be realized, and the product can be ensured to be taken out smoothly by using a mechanical arm.

Description

Pendulum top ejection mechanism

Technical Field

The utility model relates to the field of injection molds, in particular to a swinging ejection mechanism.

Background

As shown in fig. 1, in the back plate skeleton mold of the front-row seat of the automobile, a water drop structure is designed on the back plate skeleton 1 of the seat, so that the foaming surface sleeve of the seat can be embedded into the back plate skeleton in a clamping-like manner, the back plate skeleton and the surface sleeve are more tightly connected, and the joint presents a spliced three-dimensional effect. To realize the water drop structure, there is a circle of continuous back-off 13 (indicated by arrow in the figure) at the inboard at backplate skeleton edge, because backplate skeleton still has other installation buckle and strengthening rib, can't design general top to accomplish the drawing of patterns of week circle back-off, need consider the back-off to take off by force, but the ejection force that the strong drop structure of circle took off needs is big, causes the product to push out whitely to warp easily, and ejection deformation is too big to possibly lead to the product to fly, or the water drop structure back-off package kicking block, and the manipulator gets a piece difficulty, leads to the unable continuous production of product.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a swinging ejection mechanism, which realizes smooth demolding of a water drop structure of a back plate periphery and avoids whitening deformation of local positions caused by overlarge stress of a product in the process of strongly dehydrating drop-shaped back-off; meanwhile, the product can be smoothly taken out by a mechanical arm, and automatic continuous production is realized.

The utility model adopts the following technical scheme:

the utility model provides a pendulum top ejection mechanism, includes pendulum top body, pendulum top cushion, pendulum top connecting rod and connecting rod seat, pendulum top cushion is fixed at the back of the back template, pendulum top body support is in on the pendulum top cushion, pendulum top connecting rod's one end passes pendulum top cushion and through first pivot with pendulum top body's one end is connected, pendulum top connecting rod's the other end through the second pivot with the connecting rod seat is connected, the connecting rod seat sets up between upper thimble board and lower thimble board, pendulum top body other end be equipped with the profile and with be equipped with vertical face and connect in on the face that the profile is relative in vertical face's inclined plane, the back template be equipped with pendulum top body shape looks adaptation's logical groove, be close to the inclined plane on the pendulum top body and be equipped with the top wire hole, be equipped with the bulb jackscrew in the jackscrew hole, the bulb jackscrew includes the casing, and sets up at the inside bulb portion and the spring tip, the bulb position in the spring tip, the central axis of bulb jackscrew with first pivot looks perpendicular, the bulb and the through the inclined plane can closely cooperate with pendulum top body and the inclined plane.

Further, the swing top body is of a square rod body structure.

Further, the swinging roof cushion block is fixed on the back surface of the rear template through screws.

Further, the first rotating shaft and the second rotating shaft are pins.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the structural design of the vertical surface and the inclined surface of the swinging roof body and the design of the ball head jackscrew, the swinging roof body can generate deflection movement in the ejection process, the smooth demoulding of the swinging roof body and the back-off of the product is realized, the smooth taking out of the product by a mechanical arm is ensured, and the automatic continuous production is realized.

Drawings

FIG. 1 is a schematic view of a back panel skeleton of a front seat of an automobile provided by the utility model;

FIG. 2 is a schematic diagram of a mold of a swing-roof ejection mechanism according to the present utility model;

FIG. 3 is a schematic diagram illustrating an assembly of a swing ejection mechanism and a back plate frame of an automobile front seat according to the present utility model;

FIG. 4 is a schematic diagram of a swing-roof ejection mechanism according to the present utility model;

FIG. 5 is a schematic diagram of a swing top body and a back-off mold of a swing top ejection mechanism according to the present utility model;

FIG. 6 is a schematic diagram of a swing-roof body and a back-off demolding of a swing-roof ejection mechanism according to the present utility model

In the figure: 1. a seat back frame; 2. a swinging top body; 20. molding surface; 21. a vertical surface; 22. an inclined surface; 3. swinging a top cushion block; 4. swinging a top connecting rod; 5. a connecting rod seat; 6. a first rotating shaft; 7. a second rotating shaft; 8. ball head jackscrew; 9. a screw; 10. a rear template; 11. an upper ejector plate; 12. a lower ejector plate; 13. and (5) reversely buckling.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limitations of the present utility model. Furthermore, the terms "first," "second," "one," "another," and the like, are used for distinguishing between similar elements and not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly, through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Corresponding reference characters indicate corresponding parts throughout the several views (e.g., identical structure, functionally similar elements identified by "1XX" and "2 XX").

As shown in fig. 2-6, the utility model provides a top-swinging ejection mechanism, which comprises a top-swinging body 2, a top-swinging cushion block 3, a top-swinging connecting rod 4 and a connecting rod seat 5, wherein the top-swinging cushion block 3 is fixed on the back surface of a rear template 10, the top-swinging body 2 is supported on the top-swinging cushion block 3, one end of the top-swinging connecting rod 4 passes through the top-swinging cushion block 3 and is connected with one end of the top-swinging body 2 through a first rotating shaft 6, the other end of the top-swinging connecting rod 4 is connected with the connecting rod seat 5 through a second rotating shaft 7, the connecting rod seat 5 is arranged between an upper top needle plate 11 and a lower top needle plate 12, the other end of the top-swinging body 2 is provided with a forming surface 20, a vertical surface 21 and an inclined surface 22 connected with the vertical surface 21, the rear template 10 is provided with a through groove matched with the top-swinging body 2 in shape, a top thread 8 is arranged on the top-swinging body 2 near the inclined surface 22, a top thread hole is arranged in the top thread hole, the top thread 8 comprises a ball head 8 and a shell body and a top thread 8, and a top thread is arranged in the shell and the top thread is tightly contacted with the top thread 8 at the inner side of the top thread 8.

In the utility model, a swinging roof body 2 is connected with a swinging roof connecting rod 4 through a first rotating shaft 6, the swinging roof body 2 can rotate and swing around the first rotating shaft 6, and the swinging roof connecting rod 4 is connected with a connecting rod seat 5 through a second rotating shaft 7, so that the swinging roof connecting rod 4 can rotate and swing around the second rotating shaft 7; the swinging roof cushion block 3 is used as a limit and a support for resetting the swinging roof body 2; the connecting rod seat 5 is clamped between the upper ejector plate 11 and the lower ejector plate 12, and the swinging ejector body 2 is ejected upwards and reset downwards along with ejection and reset of the ejector plate. Because the upper section of the swinging roof body 2 is a vertical surface 21, the swinging roof body 2 moves vertically in the first half section of the product ejection process, and plays a role in ejecting the product, in the process, the ball head part is in close contact fit with the inner wall of the through groove, and the spring is in a compressed state; in the latter half of the ejection process of the product, due to the inclined surface 22, the ball head is no longer in contact with the inner wall of the through groove, and the spring is converted from a compressed state to a released state, at this time, the spring can provide a lateral thrust for the pendulum top body 2, so that the pendulum top body 2 moves obliquely upwards along the inclined surface 22 under the action of the lateral force of the ball head jackscrew 8, and the pendulum top body 2 swings inwards (the inner direction is the direction away from the back-off 13 of the seat back plate framework 1 in fig. 6), thereby enabling the back-off 13 of the product to be smoothly demoulded from the molding surface 20 of the pendulum top body 2 and ensuring that the product is smoothly taken out.

The swinging ejection mechanism is simple in structure and small in size, is particularly suitable for arrangement under the conditions of small quantity of the back-off 13 and large demolding space limitation, can be uniformly distributed on the edge of a product, ensures ejection and demolding of the product, does not influence the arrangement of a mold cooling system, ensures stable mold cooling effect and improves production efficiency.

Preferably, the pendulum top body 2 is a square rod body structure.

Preferably, the swinging roof cushion block 3 is fixed on the back of the rear template 10 through screws 9.

Preferably, the first shaft 6 and the second shaft 7 are pins.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (4)

1. The utility model provides a pendulum top ejection mechanism, its characterized in that includes pendulum top body (2), pendulum top cushion (3), pendulum top connecting rod (4) and connecting rod seat (5), pendulum top cushion (3) are fixed at the back of back template (10), pendulum top body (2) support are in on pendulum top cushion (3), pendulum top connecting rod (4) one end pass pendulum top cushion (3) and through first pivot (6) with pendulum top body (2) one end connection, pendulum top connecting rod (4) other end through second pivot (7) with connecting rod seat (5) are connected, connecting rod seat (5) set up between last top needle board (11) and lower top needle board (12), pendulum top body (2) other end is equipped with moulding surface (20) and be equipped with on the face opposite to moulding surface (20) vertical surface (21) and be connected with inclined plane (22) of vertical surface (21), back template (10) be equipped with pendulum top body (2) looks shape adaptation groove and top wire (8) are equipped with in top wire (8) and top wire, top wire (8) are equipped with top wire and top wire (8) are located in the top wire, the central axis of the ball head jackscrew (8) is perpendicular to the central axis of the first rotating shaft (6), the ball head is in contact tight fit with the inner wall of the through groove, and the swing top body (2) can swing obliquely under the action of the elasticity of the ball head jackscrew (8).

2. The pendulum top ejection mechanism according to claim 1, wherein the pendulum top body (2) is of a square rod structure.

3. The pendulum top ejection mechanism of claim 1, wherein the pendulum top pad (3) is fixed to the back of the rear template (10) by screws (9).

4. A pendulum top ejection mechanism according to claim 1, characterized in that the first (6) and second (7) rotational shafts are pins.

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