CN218857548U - Accurate rail distance baffle injection mold on high-speed railway of size - Google Patents

Abstract

The utility model discloses a track is apart from baffle injection mold on accurate high-speed railway of size belongs to injection mold technical field, includes upper die base, last die cushion board, goes up mould, lower mould, die holder and lower die cushion board down in proper order from last, be equipped with the runner on the upper die base, runner department is equipped with the runner cover, it is equipped with a set of align to grid's last mould benevolence to go up the mould lower surface, the lower mould upper surface is equipped with the lower mould benevolence relative with last mould benevolence, it is equipped with the die cavity to go up mould benevolence lower surface, lower mould benevolence upper surface is equipped with the core, form the shaping chamber between core and the die cavity, upward be equipped with in the die cushion board and go up the mould with shaping chamber and the communicating runner of runner. The accurate rail gauge baffle injection mold on high-speed railway of this kind of size is used for the injection moulding to rail gauge baffle on the high-speed railway, can guarantee its machining dimension precision, but also can effectively improve its machining efficiency.

Description

Accurate rail distance baffle injection mold on high-speed railway of size

Technical Field

The utility model belongs to the technical field of injection mold, specifically, relate to a track pitch baffle injection mold on accurate high-speed railway of size.

Background

The gauge apron is an important component in a railway track fastener system, and mainly plays a role in keeping the distance between two tracks and guaranteeing the driving safety. The gauge baffle generally adopts steel injection moulding, because the gauge baffle needs to possess certain compressive capacity, needs certain thickness to the design of gauge baffle, in addition, still need guarantee its shaping precision in the gauge baffle in-service use to avoid influencing the aggregate erection with other accessories, thereby influence high-speed railway operation safety.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a rail is apart from baffle injection mold on accurate high-speed railway of size, this kind of rail is apart from baffle injection mold on accurate high-speed railway of size is used for the injection moulding to rail is apart from the baffle on the high-speed railway, can guarantee its processing size precision, but also can effectively improve its machining efficiency.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an accurate high-speed railway of size goes up track apart from baffle injection mold, includes upper die base, last die cushion board, last mould, lower mould, die holder and lower die cushion board down in proper order from last, be equipped with the runner on the upper die base, runner department is equipped with the runner cover, it is equipped with a set of align to grid's last mould benevolence to go up the mould lower surface, the lower mould upper surface is equipped with the lower mould benevolence relative with last mould benevolence, it is equipped with the die cavity to go up mould benevolence lower surface, lower mould benevolence upper surface is equipped with the core, form the shaping chamber between core and the die cavity, upward be equipped with in the die cushion board and go up the mould with shaping chamber and the communicating runner of runner.

Furthermore, the upper die core is provided with 4 groups which are distributed in two rows and two columns. 4 products can be processed simultaneously, and the product forming efficiency is improved.

Furthermore, the four corners of the upper mold core are provided with first positioning grooves, and the four corners of the lower mold core are provided with second positioning blocks which are opposite to the first positioning grooves and have the same shape and size. The position precision when mould benevolence and lower mould benevolence compound die is gone up in the reinforcing, guarantees that product machining size is accurate.

Furthermore, four corners of the lower surface of the upper die are provided with guide rods, and the lower die is provided with guide sleeves corresponding to the guide rods. The position is accurate when the upper die and the lower die are assembled.

Furthermore, the lower surface of the upper die is provided with a group of first positioning blocks, the first positioning blocks are provided with second positioning grooves, the upper surface of the lower die is provided with matching blocks opposite to the first positioning blocks in position, and the matching blocks are provided with bulges which are opposite to the second positioning grooves in position and adapt to the shape and size. When the upper die and the lower die are matched, the protrusions are matched with the second positioning grooves, so that the position precision of the matched die can be ensured, and the processing precision of a product is ensured.

Furthermore, the first locating block is provided with 4 groups which are respectively arranged on four sides of the upper die. Enhancing the positioning effect.

Furthermore, a material pushing plate and a fixing plate are sequentially arranged on the lower die base plate, ejector pins for ejecting products are arranged on the material pushing plate and the fixing plate, the bottoms of the ejector pins are arranged on the fixing plate, and the tops of the ejector pins extend to the surface of the mold core. The product can be conveniently ejected.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model provides a pair of rail distance baffle injection mold on accurate high-speed railway of size, rail distance baffle injection mold on accurate high-speed railway of this kind of size is used for the injection moulding to rail distance baffle on the high-speed railway, can guarantee its processing size precision, but also can effectively improve its machining efficiency.

Drawings

Fig. 1 is a structural diagram of an accurate-size high-speed rail upper track distance baffle injection mold of the present invention;

FIG. 2 is a top mold structure according to the present invention;

fig. 3 is the structure diagram of the lower mold of the present invention.

In the figure: 1 upper die holder, 11 gates, 12 gate sleeves, 2 upper die backing plates, 3 upper dies, 31 upper die cores, 311 die cavities, 312 first positioning grooves, 32 guide rods, 33 first positioning blocks, 331 second positioning grooves, 4 lower dies, 41 lower die cores, 411 die cores, 412 second positioning blocks, 42 guide sleeves, 43 matching blocks, 431 protrusions, 5 lower die holders, 6 lower die backing plates, 61 material pushing plates and 62 fixing plates.

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 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 "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not 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 construed 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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be further elucidated with reference to the drawings and the embodiments.

Examples

As shown in fig. 1-3, an accurate-size injection mold for a gauge baffle on a high-speed rail sequentially comprises an upper mold base 1, an upper mold base plate 2, an upper mold 3, a lower mold 4, a lower mold base 5 and a lower mold base plate 6 from top to bottom, wherein a gate 11 is arranged on the upper mold base 1, a gate sleeve 12 is arranged at the gate 11, a group of uniformly-arranged upper mold kernels 31 are arranged on the lower surface of the upper mold 3, lower mold kernels 41 opposite to the upper mold kernels 31 are arranged on the upper surface of the lower mold 4, a mold cavity 311 is arranged on the lower surface of the upper mold kernel 31, a mold core 411 is arranged on the upper surface of the lower mold kernel 41, a molding cavity is formed between the mold core 411 and the mold cavity 311, and runners communicated with the molding cavity and the gate 11 are arranged in the upper mold base plate 6 and the upper mold 3.

The upper mold inserts 31 are preferably set to 4 groups, and are distributed in two rows and two columns; the upper die core 31 is provided with first positioning grooves 312 at four corners, and the lower die core 41 is provided with second positioning blocks 412 corresponding to the first positioning grooves 312 in position and shape and size; guide rods 32 are arranged at four corners of the lower surface of the upper die 3, and guide sleeves 42 corresponding to the guide rods 32 are arranged on the lower die 4; the lower surface of the upper die 3 is provided with a group of first positioning blocks 33, the first positioning blocks 33 are provided with second positioning grooves 331, the upper surface of the lower die 4 is provided with pairing blocks 43 opposite to the first positioning blocks 33 in position, the pairing blocks 43 are provided with bulges 431 opposite to the second positioning grooves 331 in position and adaptive to the shape and size, and the first positioning blocks 33 are preferably set to 4 groups and are respectively arranged on four sides of the upper die 3.

In addition, a material pushing plate 61 and a fixing plate 62 are sequentially arranged on the lower die cushion plate 6, ejector pins (not shown) for ejecting products are arranged on the material pushing plate 61 and the fixing plate 62, the bottoms of the ejector pins are arranged on the fixing plate 62, and the tops of the ejector pins extend to the surface of the core 411.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a track pitch baffle injection mold on accurate high-speed railway of size which characterized in that: from last to including upper die base (1), last mould backing plate (2), last mould (3), lower mould (4), die holder (5) and lower mould backing plate (6) down in proper order, be equipped with runner (11) on upper die base (1), runner (11) department is equipped with runner cover (12), it is equipped with a set of align to grid's last mould benevolence (31) to go up mould (3) lower surface, lower mould (4) upper surface is equipped with the lower mould benevolence (41) relative with last mould benevolence (31), it is equipped with die cavity (311) to go up mould benevolence (31) lower surface, lower mould benevolence (41) upper surface is equipped with core (411), form the molding chamber between core (411) and die cavity (311), upward be equipped with in mould backing plate (2) and go up mould (3) and become molding chamber and runner (11) communicating.

2. The precise-sized injection mold for the gauge apron on the high-speed rail as recited in claim 1, wherein: the upper die core (31) is provided with 4 groups which are distributed in two rows and two columns.

3. The precise-sized high-speed rail upper track distance baffle injection mold according to claim 1 or 2, wherein: the four corners of the upper die core (31) are provided with first positioning grooves (312), and the four corners of the lower die core (41) are provided with second positioning blocks (412) which are opposite to the first positioning grooves (312) and have the same shape and size.

4. The precise-sized injection mold for the gauge apron on the high-speed rail as recited in claim 1, wherein: four corners of the lower surface of the upper die (3) are provided with guide rods (32), and the lower die (4) is provided with guide sleeves (42) corresponding to the guide rods (32).

5. The precise-sized high-speed rail upper track distance baffle injection mold according to claim 4, wherein: go up mould (3) lower surface and be equipped with a set of first constant head tank (33), be equipped with second constant head tank (331) on first constant head tank (33), lower mould (4) upper surface is equipped with and matches piece (43) relative with first constant head tank (33) position, be equipped with on matching piece (43) with second constant head tank (331) relative position and shape size adaptation protruding (431).

6. The precise-sized injection mold for the gauge apron on the high-speed rail as recited in claim 5, wherein: the first positioning blocks (33) are provided with 4 groups which are respectively arranged on four sides of the upper die (3).

7. The precise-sized high-speed rail upper track distance baffle injection mold according to claim 1, wherein: the mould is characterized in that a material pushing plate (61) and a fixing plate (62) are sequentially arranged on the lower mould base plate (6), ejector pins used for ejecting products are arranged on the material pushing plate (61) and the fixing plate (62), the bottoms of the ejector pins are arranged on the fixing plate (62), and the tops of the ejector pins extend to the surface of the mould core (411).

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