CN211052449U

CN211052449U - Disappearance mould is used in production of track bearing saddle

Info

Publication number: CN211052449U
Application number: CN201922333397.7U
Authority: CN
Inventors: 符涛; 宋涛; 朱惠玉
Original assignee: Zhengzhou Xinjincheng Machinery Manufacturing Co ltd
Current assignee: Zhengzhou Xinjincheng Machinery Manufacturing Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-07-21
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to the technical field of disappearance moulds, in particular to a disappearance mould for producing a track bearing saddle, which comprises a lower mould and an upper mould, wherein the upper end surface of the lower mould is clamped with the disappearance mould for the track bearing saddle, a sprue is arranged in the center of the upper end surface of the lower mould, cross runners are arranged on the front side and the rear side of the sprue, the disappearance moulds for the track bearing saddle on the left side and the right side are communicated through the cross runners, the disappearance moulds for the track bearing saddle on the front side and the rear side are communicated through the sprue, and four corners of the upper end surface of the lower mould are provided with limit; the utility model discloses in, through the bed die, the cross gate, the sprue and the bed die that set up, this kind of setting will disappear during the mould is put into the bed die, through the sprue with the cross gate pour the hot melt material can, need not to use dry quartz sand, this kind of setting can used repeatedly, the cost that has significantly reduced in convenient to use, and production efficiency is promoted by a wide margin, has fine practical value.

Description

Disappearance mould is used in production of track bearing saddle

Technical Field

The utility model relates to a disappearance mould technical field specifically is a production of track bearing saddle is with disappearance mould.

Background

The lost foam casting is a novel casting method which bonds and combines paraffin or foam models with similar size and shape to the casting to form a model cluster, coats refractory paint, dries the model cluster, buries the model cluster in dry quartz sand for vibration molding, pours the model cluster under negative pressure, gasifies the model, leads liquid metal to occupy the position of the model, solidifies and cools the model to form the casting, and has wider application to the lost foam with the development of society, so the demand for the lost foam for producing the track bearing saddle is increased day by day.

The main effect of bearing the saddle is that the guide frame of side bearer inserts in the guide slot of bearing the saddle, the effect of guide frame and guide slot has spacing between axle box and the side bearer around, the relative displacement of left and right sides direction, at present when the production bears the saddle in the market, generally adopt the disappearance mould, the disappearance mould adopts and buries the vibration molding in dry quartz sand, pour under the negative pressure, make this kind of mode of model gasification cast the part, this kind of setting is compared with stamping die and is reduced cost, but use and need multiple equipment cooperation to use, dry quartz sand uses the back and need fully sieve then can carry out the secondary use, the inefficiency, the cost is reduced greatly but the cost is still very big although, and the equipment area that this kind of setting needs is huge, consequently, propose a track to bear the saddle production with disappearance mould to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a track bears saddle production with disappearance mould to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a disappearing die for producing a track bearing saddle comprises a lower die and an upper die, wherein the upper end face of the lower die is clamped with a track bearing saddle disappearing die, a sprue is arranged in the center of the upper end face of the lower die, cross runners are arranged on the front side and the rear side of the sprue, the track bearing saddle disappearing die on the left side and the right side is communicated through the cross runners, the track bearing saddle disappearing die on the front side and the rear side is communicated through the sprue, limiting grooves are formed in four corners of the upper end face of the lower die respectively, rotating rods are arranged in the limiting grooves respectively, the lower end face of each rotating rod is rotatably connected with the lower die, threaded cylinders are fixedly connected on the upper end faces of the rotating rods, sliding rings are arranged on the outer sides of the rotating rods, uniformly distributed grooves are formed in the outer sides of the lower die, chain wheels are fixedly connected, the limiting ring is inboard and sprocket fixed connection, the equal threaded rod of screw thread section of thick bamboo inside, threaded rod up end fixedly connected with goes up the mould.

Preferably, the lower end face of the upper die is provided with uniformly distributed cavities, and the shape and size of each cavity are consistent with those of the lost die of the track bearing saddle.

Preferably, the limiting groove depth is 0.5 times of the height of the sliding ring, the limiting groove is in an equilateral hexagon shape, and the number of the rotating rods is 4.

Preferably, the slip ring outside is equilateral hexagon and sets up, the slip ring inboard is the rectangle setting, the slip ring inboard and dwang sliding connection, the slip ring passes through spacing groove and bed die block.

Preferably, the number of the limiting rings is 8, the diameter of each limiting ring is 2 times that of the chain wheel, and the limiting rings are located in the grooves.

Preferably, the sprue and the cross gate are both hollow, and the lower end face of the sprue and the lower end face of the cross gate are detachably connected with the lower die.

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

1. in the utility model, through the lower die, the cross gate, the sprue and the lower die, the lost die is placed into the lower die through the arrangement, the hot melting material can be poured through the sprue and the cross gate, the dry quartz sand is not needed, the arrangement can be repeatedly used, the cost is greatly reduced when the use is convenient, the production efficiency is greatly improved, large-scale equipment is not needed, the occupied area is small, and the practical value is good;

2. the utility model discloses in, through the spacing groove that sets up, the dwang, the slip ring, a screw thread section of thick bamboo, the sprocket, chain and spacing ring, through rotating a screw thread section of thick bamboo drive chain and sprocket and rotate, thereby drive four synchronous rotations of screw thread section of thick bamboos, then drive the threaded rod downwards, thereby make the mould extrude the bed die downwards, thereby do not have the space between the mould about guaranteeing, when dismantling the mould, the upset screw thread section of thick bamboo can realize that the mould four corners receives even ascending power, avoid the corner of product and last mould frictional deformation, guarantee the quality of its product.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the structural schematic diagram of the lower mold of the present invention.

In the figure: 1-lower die, 2-groove, 3-limit groove, 4-rotating rod, 5-sliding ring, 6-threaded cylinder, 7-chain wheel, 8-chain, 9-limit ring, 10-upper die, 11-threaded rod, 12-track bearing saddle disappearance die, 13-cross runner and 14-straight runner.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a disappearance mould for producing a track bearing saddle comprises a lower mould 1 and an upper mould 10, wherein the upper end face of the lower mould 1 is clamped with a track bearing saddle disappearance mould 12, the center of the upper end face of the lower mould 1 is provided with a sprue 14, the front side and the rear side of the sprue 14 are provided with a cross runner 13, the track bearing saddle disappearance mould 12 on the left side and the right side are communicated through the cross runner 13, the track bearing saddle disappearance mould 12 on the front side and the rear side are communicated through the sprue 14, the arrangement ensures the normal circulation of molten material, the replacement of the molten material and the disappearance mould is ensured, four corners of the upper end face of the lower mould 1 are provided with limiting grooves 3, rotating rods 4 are arranged inside the limiting grooves 3, the lower end face of the rotating rods 4 are rotatably connected with the lower mould 1, threaded cylinders 6 are fixedly connected with the upper end face of the rotating rods 4, sliding rings 5 are arranged outside the rotating rods 4, grooves 2 which are uniformly distributed are arranged outside, equal fixedly connected with sprocket 7 in the 6 outsides of screw thread section of thick bamboo, the sprocket 7 outside is equipped with

chain

8, and 10 synchronous atress in four corners of mould and even downstream are guaranteed in this kind of setting, and during the rebound, guarantee to go up mould 10 and even rebound to avoid product corner and last mould 10 contact, avoid its damage, sprocket 7 below all is equipped with spacing ring 9, spacing ring 9 inboard and sprocket 7 fixed connection, the inside equal screwed connection of 6 inside threaded rod 11 of screw thread section of thick bamboos, mould 10 on 11 up end fixedly connected with of threaded rod.

The end face of the lower end face of the upper die 10 is provided with evenly distributed cavities, the shape and size of the cavities are consistent with the shape and size of the rail bearing saddle disappearance die 12, the depth of the limiting groove 3 is 0.5 times of the height of the sliding ring 5, when the sliding ring 5 slides downwards, the threaded cylinder 6 can not rotate, the limiting groove 3 is arranged in an equilateral hexagon, the number of the rotating rods 4 is 4, the outer side of the sliding ring 5 is arranged in the equilateral hexagon, the arrangement can be clamped and fixed with the limiting groove 3, the inner side of the sliding ring 5 is arranged in a rectangle, the inner side of the sliding ring 5 is connected with the rotating rod 4 in a sliding way, when the threaded cylinder 6 rotates, the sliding ring 5 slides upwards, so that the normal use of the device is ensured, the sliding ring 5 is clamped with the lower die 1 through the limiting groove 3, the stability of the device is ensured, when the sliding ring 5 slides downwards, realize fixed dwang 4, prevent its self rotation, guarantee the stability of device, 9 quantity of spacing ring is 8, and 9 diameters of spacing ring are 2 times of 7 diameters of sprocket, spacing ring 9 all is located recess 2, and spacing ring 9 normal rotations are guaranteed in this kind of setting to when guaranteeing that mould 10 reciprocates, the atress is even, sprue 14 and cross gate 13 all are hollow setting, the terminal surface all belongs to with bed die 1 and can dismantle the connection under 14 lower terminal surfaces of sprue and the cross gate 13, and this kind of setting conveniently dismantles sprue 14 and cross gate 13, and then can clear away its inside melt, makes things convenient for next use.

The working process is as follows: when the device is used, the track bearing saddle disappearance mould 12 is placed above the lower mould 1, then the track bearing saddle disappearance mould 12 is clamped with the cavity of the lower end surface of the upper mould 10, at the moment, the threaded rod 11 is positioned at the inner side of the threaded cylinder 6, then the threaded cylinder 6 at one side is rotated to drive the chain wheel 7 to rotate, the chain wheel 7 drives the chain 8 to rotate, the chain 8 drives the other three chain wheels 7 to rotate, so that the four threaded cylinders 6 synchronously rotate, the threaded rod 11 is driven to synchronously move downwards, and then four corners of the upper mould 10 are uniformly subjected to downward pulling force, so that the upper mould 10 is ensured to uniformly move downwards, the arrangement of the groove 2 ensures that the limiting ring 9 can normally rotate, the limiting ring 9 plays the purpose of limiting the chain 8, the chain 8 is prevented from falling downwards, the chain 8 is ensured to be always contacted with the chain wheel 7, the normal use of the device is ensured, when the upper, the sliding ring 5 is clamped with the lower die 1 by sliding downwards, the outer side of the sliding ring 5 is clamped with the lower die 1 at the moment, the inner side of the sliding ring 5 is clamped with the rotating rod 4, so that the threaded cylinder 6 cannot rotate and has a good fixing purpose, then metal melt is poured into the die through the sprue 14, replacement of pouring solution and the rail bearing saddle disappearance die 12 is realized, dry quartz sand is not required to be used in the arrangement, screening of the dry quartz sand is not required, the device can be recycled, the cost is greatly reduced, meanwhile, the working efficiency is greatly improved, the use value is good, after pouring is finished, the threaded rod 11 can be moved upwards by reversing the threaded cylinder 6, the upper die 10 is driven to move upwards uniformly, the die after molding is taken out conveniently, then the melt in the sprue 13 and the sprue 14 can be taken out by disassembling the sprue 13 and the sprue 14, the next use is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The utility model provides a production of track bearing saddle is with disappearance mould, includes bed die and last mould, its characterized in that: the upper end face of the lower die is clamped with a track bearing saddle disappearance die, a sprue is arranged in the center of the upper end face of the lower die, cross runners are arranged on the front side and the rear side of the sprue, the track bearing saddle disappearance die on the left side and the right side are communicated through the cross runners, the track bearing saddle disappearance die on the front side and the rear side are communicated through the sprue, limiting grooves are formed in four corners of the upper end face of the lower die, rotating rods are arranged in the limiting grooves, the lower end face of the rotating rods is rotatably connected with the lower die, threaded cylinders are fixedly connected with the upper end face of the rotating rods, sliding rings are arranged on the outer sides of the rotating rods, grooves which are uniformly distributed are formed in the outer sides of the lower die, chain wheels are fixedly connected with the outer sides of the threaded cylinders, chains are arranged on the outer sides of the chain wheels, limiting rings are arranged above and below, the upper end face of the threaded rod is fixedly connected with an upper die.

2. The disappearing mold for producing a rail bearing saddle as set forth in claim 1, wherein: and the lower end face of the upper die is provided with uniformly distributed cavities, and the shape and size of each cavity are consistent with those of the lost die of the track bearing saddle.

3. The disappearing mold for producing a rail bearing saddle as set forth in claim 1, wherein: the spacing groove degree of depth is 0.5 times of slip ring height, the spacing groove is equilateral hexagon and sets up, dwang quantity is 4.

4. The disappearing mold for producing a rail bearing saddle as set forth in claim 1, wherein: the slip ring outside is equilateral hexagon setting, the slip ring inboard is the rectangle setting, the slip ring inboard and dwang sliding connection, the slip ring passes through spacing groove and bed die block.

5. The disappearing mold for producing a rail bearing saddle as set forth in claim 1, wherein: the spacing ring quantity is 8, and the spacing ring diameter is 2 times of sprocket diameter, the spacing ring all is located the recess.

6. The disappearing mold for producing a rail bearing saddle as set forth in claim 1, wherein: the sprue and the cross gate are both hollow, and the lower end face of the sprue and the lower end face of the cross gate are detachably connected with the lower die.