CN210308629U - Adjustable mould thimble assembly - Google Patents

Abstract

The utility model discloses an adjustable mould thimble assembly, including thimble body and a plurality of sliding assembly, a plurality of sliding assembly are along the central line direction evenly distributed of thimble body, sliding assembly includes the connecting rod, holder and ball, the quantity of connecting rod is a plurality of, a plurality of connecting rods and thimble body fixed connection, and week side evenly distributed around the thimble body, holder and a plurality of connecting rod fixed connection, and lie in the one end that the thimble body was kept away from to the connecting rod, the quantity of ball is a plurality of, and a plurality of balls pass through the holder polyphone, and crisscross distribution with the connecting rod in week side along the thimble body. The utility model discloses an adjustable mould thimble assembly is very little with the coefficient of friction of mounting hole pore wall, can almost ignore, can not cause because of and the friction between the mounting hole pore wall adjustable mould thimble assembly is impaired, long service life.

Description

Adjustable mould thimble assembly

Technical Field

The utility model relates to a technical field of mould processing especially relates to an adjustable mould thimble assembly.

Background

The mould thimble is installed in the mould mounting hole and is used for ejecting the important structure of the moulded product in the mould, and when the moulded product needs to be ejected, the mould thimble stretches out from the mounting hole until the moulded product is ejected. The traditional mould thimble needs to make a round trip movement in the mounting hole at the in-process of ejecting shaping goods, because mould thimble week side surface and pore wall in close contact with, consequently great friction takes place for the pore wall of mould thimble and mounting hole, leads to mould thimble outward appearance to be scraped the flower, makes the mould thimble impaired, has reduced the life of mould thimble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable mould thimble assembly aims at solving because side surface and mounting hole pore wall in close contact with in all sides of traditional mould thimble, therefore mould thimble takes place great friction with the pore wall of mounting hole, leads to mould thimble outward appearance to be scraped the flower, makes the mould thimble impaired, has reduced the technical problem of the life of mould thimble.

In order to achieve the above object, the utility model provides an adjustable mould thimble assembly, including thimble body and a plurality of sliding assembly, it is a plurality of the sliding assembly is followed the central line direction evenly distributed of thimble body, the sliding assembly includes connecting rod, holder and ball, the quantity of connecting rod is a plurality of, and is a plurality of the connecting rod with thimble body fixed connection, and center on the week side evenly distributed of thimble body, the holder is with a plurality of connecting rod fixed connection, and be located the connecting rod is kept away from the one end of thimble body, the quantity of ball is a plurality of, and is a plurality of the ball passes through the holder polyphone, and follow week side of thimble body with the crisscross distribution of connecting rod.

The thimble body is provided with a plurality of placing grooves which are uniformly distributed along the peripheral side of the thimble body, and the balls are at least partially positioned in the placing grooves.

The thimble body is provided with a telescopic rod, a boss and an elastic ball head, the telescopic rod is fixedly connected with the thimble body and is positioned at the top end of the thimble body, the boss is fixedly connected with the telescopic rod and is positioned at the top end of the telescopic rod, and the elastic ball head is fixedly connected with the boss and is positioned at one end, far away from the telescopic rod, of the boss.

The connecting rod is provided with an outer cylinder, an inner cylinder and a damping spring, the outer cylinder is fixedly connected with the thimble body, the inner cylinder is connected with the outer cylinder in a sliding mode and at least partially located in the outer cylinder, and the damping spring is abutted between the outer cylinder and the inner cylinder and located in the outer cylinder.

The sliding assembly further comprises a plurality of reinforcing ribs, and the reinforcing ribs are abutted between the ejector pin body and the connecting rod.

Wherein, the sliding assembly further comprises a reinforcing layer, the reinforcing layer covers the placing groove, and the reinforcing layer is made of carborundum.

The utility model relates to an adjustable mould thimble assembly, the connecting rod is used for supporting the retainer, the retainer is used for being connected with the roller in series, when the adjustable mould thimble is required to eject a formed product, the adjustable mould thimble moves upwards along the mounting hole, the roller in the sliding assembly is contacted with the wall of the mounting hole, and rolls on the wall of the mounting hole, the position of the roller is limited by the retainer and the connecting rod in the sliding assembly, so that the roller is always contacted with the wall of the mounting hole when the adjustable mould thimble assembly moves up and down, under the matching of the sliding assembly, the friction coefficient between the adjustable mould ejector pin assembly and the wall of the mounting hole is very small and can be almost ignored, therefore, the adjustable die ejector pin component cannot be damaged due to large friction with the wall of the mounting hole. The utility model discloses an adjustable mould thimble assembly, simple structure, convenient to use are very little with the coefficient of friction of mounting hole pore wall, can ignore almost, can not cause because of the friction between with the mounting hole pore wall adjustable mould thimble assembly is impaired, and long service life has solved because side surface and mounting hole pore wall in close contact with around traditional mould thimble, therefore great friction takes place for the pore wall of mould thimble and mounting hole, leads to mould thimble outward appearance to be scraped the flower, makes the mould thimble impaired, has reduced the technical problem of the life of mould thimble.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the structure schematic diagram of the adjustable mold thimble assembly of the utility model.

Fig. 2 is the utility model discloses adjustable mould thimble assembly's schematic structure.

Fig. 3 is the utility model discloses adjustable mould thimble assembly's schematic structure.

Fig. 4 is a schematic structural view of the connecting rod of the present invention.

100-adjustable mould ejector pin component, 10-ejector pin body, 20-sliding component, 21-connecting rod, 22-retainer, 23-ball, 11-placing groove, 12-telescopic rod, 13-boss, 14-elastic ball head, 211-outer cylinder, 212-inner cylinder, 213-damping spring, 24-reinforcing rib and 25-reinforcing layer.

Detailed Description

Reference will now be made in detail to 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 function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Please refer to fig. 1 to 4, the utility model provides an adjustable mould thimble assembly 100, including thimble body 10 and a plurality of sliding assembly 20, it is a plurality of sliding assembly 20 follows the central line direction evenly distributed of thimble body 10, sliding assembly 20 includes connecting rod 21, holder 22 and ball 23, the quantity of connecting rod 21 is a plurality of, and is a plurality of connecting rod 21 with thimble body 10 fixed connection to around the week side evenly distributed of thimble body 10, holder 22 with a plurality of connecting rod 21 fixed connection, and be located the one end that thimble body 10 was kept away from to connecting rod 21, the quantity of ball 23 is a plurality of, and a plurality of ball 23 is through the holder 22 polyphone, and along week side of thimble body 10 with the crisscross distribution of connecting rod 21.

In this embodiment, the connecting rod 21 is used for supporting the retainer 22, the retainer 22 is used for connecting the rollers in series, when the adjustable mould thimble is required to eject a formed product, the adjustable mould thimble moves upwards along the mounting hole, the ball 23 in the sliding assembly 20 is contacted with the wall of the mounting hole, and rolls on the wall of the mounting hole, the retainer 22 and the connecting rod 21 in the sliding assembly 20 define the position of the roller, so that the roller is always contacted with the wall of the mounting hole when the adjustable die ejector pin assembly moves up and down, with the sliding assembly 20, the coefficient of friction between the adjustable mold ejector pin assembly 100 and the wall of the mounting hole is small and almost negligible, and therefore does not cause damage to the adjustable mold ejector pin assembly 100 due to high friction with the mounting hole wall. The utility model discloses an adjustable mould thimble assembly 100, simple structure, convenient to use are very little with the coefficient of friction of mounting hole pore wall, can ignore almost, can not cause because of the friction with between the mounting hole pore wall adjustable mould thimble assembly 100 is impaired, long service life.

Further, the thimble body 10 has a plurality of placing grooves 11, the number of the placing grooves 11 is a plurality, and the placing grooves 11 are uniformly distributed along the circumferential side of the thimble body 10, and the ball 23 is at least partially located in the placing grooves 11.

In the present embodiment, the placing groove 11 is provided to reduce the space occupied by the ball 23, so as to increase the cross-sectional area of the thimble body 10, and avoid damage to the molded product due to an excessively small cross-sectional area when the thimble body 10 contacts the molded product.

Further, the thimble body 10 is provided with a telescopic rod 12, a boss 13 and an elastic ball head 14, the telescopic rod 12 is fixedly connected with the thimble body 10 and is located at the top end of the thimble body 10, the boss 13 is fixedly connected with the telescopic rod 12 and is located at the top end of the telescopic rod 12, and the elastic ball head 14 is fixedly connected with the boss and is located at one end, far away from the telescopic rod 12, of the boss 13.

In the present embodiment, since the heights of different molded products are different, the telescopic rod 12 is provided to increase the versatility of the adjustable mold thimble assembly, the telescopic rod 12 is electrically connected to a controller on the mold device, and the controller is controlled to extend or shorten according to the height of the molded product. The arrangement of the boss 13 and the elastic ball head 14 is to avoid damage to the molded product caused by the edge of the thimble body 10 abutting against the molded product, and the elastic ball head 14 can increase the cross-sectional area when being stressed, so that the molded product can be jacked up more conveniently.

Further, the connecting rod 21 has an outer cylinder 211, an inner cylinder 212 and a damping spring 213, the outer cylinder 211 is fixedly connected to the thimble body 10, the inner cylinder 212 is slidably connected to the outer cylinder 211 and at least partially located in the outer cylinder, and the damping spring 213 is abutted between the outer cylinder 211 and the inner cylinder 212 and located in the outer cylinder 211.

In the present embodiment, since the connecting rod 21 is composed of the outer cylinder 211, the inner cylinder 212 and the damping spring 213, when the balls 23 bump due to rough hole walls, the damping spring 213 can buffer most of the vibration from the roller, thereby preventing the adjustable die ejector pin assembly 100 from being damaged.

Further, the sliding assembly 20 further includes a plurality of reinforcing ribs 24, and the number of the reinforcing ribs 24 is multiple, and the reinforcing ribs 24 are abutted between the thimble body 10 and the connecting rod 21.

In this embodiment, the connection portion of the connection rod 21 and the thimble body 10 is relatively weak, and the reinforcing rib 24 is arranged to enhance the connection strength between the thimble body 10 and the connection rod 21, so as to prevent the connection portion of the thimble body 10 and the connection rod 21 from being damaged due to stress, and thus the connection rod 21 is detached from the thimble body 10.

Further, the sliding assembly 20 further comprises a reinforcing layer 25, the reinforcing layer 25 is covered in the placing groove 11, and the reinforcing layer 25 is made of silicon carbide.

In this embodiment, the reinforcing layer 25 is made of corundum, so that the wear resistance is good, and the wear of the surface of the thimble body 10 caused by the pulley being pressed against the placing groove 11 is avoided.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides an adjustable mould thimble assembly, its characterized in that, includes thimble body and a plurality of sliding assembly, and is a plurality of sliding assembly follows the central line direction evenly distributed of thimble body, sliding assembly includes connecting rod, holder and ball, the quantity of connecting rod is a plurality of, and is a plurality of the connecting rod with thimble body fixed connection, and center on the week side evenly distributed of thimble body, the holder is with a plurality of connecting rod fixed connection, and be located the connecting rod is kept away from the one end of thimble body, the quantity of ball is a plurality of, and is a plurality of the ball passes through the holder polyphone, and follow week side of thimble body with the crisscross distribution of connecting rod.

2. The adjustable mold thimble assembly of claim 1, wherein the thimble body has a plurality of placement grooves evenly distributed along a circumferential side of the thimble body, and the balls are at least partially disposed in the placement grooves.

3. The adjustable mold thimble assembly according to claim 2, wherein the thimble body has a telescoping rod, a boss, and an elastic ball, the telescoping rod is fixedly connected to the thimble body and located at a top end of the thimble body, the boss is fixedly connected to the telescoping rod and located at a top end of the telescoping rod, and the elastic ball is fixedly connected to the boss and located at an end of the boss remote from the telescoping rod.

4. The adjustable mold ejector pin assembly according to claim 2, wherein the connecting rod has an outer cylinder, an inner cylinder and a damping spring, the outer cylinder is fixedly connected with the ejector pin body, the inner cylinder is slidably connected with the outer cylinder and at least partially located in the outer cylinder, and the damping spring is abutted between the outer cylinder and the inner cylinder and located in the outer cylinder.

5. The adjustable mold ejector pin assembly of claim 4, wherein the sliding assembly further comprises a plurality of reinforcing ribs, and the reinforcing ribs are abutted between the ejector pin body and the connecting rod.

6. The adjustable mold ejector pin assembly of claim 5, wherein the slide assembly further comprises a reinforcing layer overlying the placement groove, the reinforcing layer being made of silicon carbide.

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