阅读说明：本技术 冒口定位装置 (Riser positioning device ) 是由 戚梦林 何媛 宋亮 张龙江 于 2019-09-23 设计创作，主要内容包括：一种冒口定位装置,属于铸造技术领域,用于解决铸造用冒口的定位与固定问题,所述冒口定位装置包括冒口垫用定位环和冒口套用定位卡扣；所述定位环用于将所述冒口垫固定在砂型上；所述定位卡扣用于将所述冒口套固定在所述冒口垫上。本发明通过先将冒口垫固定在砂型的指定位置处,再将冒口套固定在冒口垫上的方式,实现了冒口的准确、牢固定位,避免了因冒口垫位置不准确或者冒口套与冒口垫错位带来的冒口位置偏移,从而实现了良好的冒口补缩作用。(A kind of riser positioning device, belongs to casting technology field, and for solving the positioning and fixation problem of casting riser, the riser positioning device includes that riser pad with positioning ring and riser applies locating fastener；The positioning ring is used to the riser pad being fixed on sand mold；The locating fastener is used to the riser buss being fixed on the riser pad.Riser pad by being first fixed on the specified location of sand mold by the present invention, mode riser buss being fixed on again on riser pad, realize riser it is accurate, fixedly positioning, it avoids because of riser pad position inaccuracy or riser buss and riser pad dislocation bring riser positional shift, to realize good riser feeding effect.)

1. a kind of riser positioning device, which is characterized in that the riser positioning device includes riser pad positioning ring and riser buss Use locating fastener；The positioning ring is used to the riser pad being fixed on sand mold；The locating fastener is used for the riser Set is fixed on the riser pad.

2. riser positioning device as described in claim 1, which is characterized in that the positioning ring is equipped with several locating rods along week, The locating rod is arranged radially along the positioning ring.

3. riser positioning device as claimed in claim 2, which is characterized in that one end of the locating rod is equipped with hanging sand part.

4. riser positioning device as claimed in claim 3, which is characterized in that the riser pad is made of molding sand, the positioning Ring is embedded in the riser pad, and the hanging sand part leakage is in the riser pad.

5. riser positioning device as described in claim 1, which is characterized in that the locating fastener is equipped with buckle set and buckle Bar, the buckle set inner wall are equipped with elastic slice, and the buckle bar and the one end for buckling set cooperation are equipped with helicitic texture.

6. riser positioning device as claimed in claim 5, which is characterized in that it is described buckle bar far from the helicitic texture one End is equipped with hanging sand bar.

7. riser positioning device as claimed in claim 6, which is characterized in that the riser buss is made of molding sand, the buckle Bar is embedded in the riser buss, and the helicitic texture leakage is in the riser buss.

8. riser positioning device as claimed in claim 5, which is characterized in that the buckle set is box body knot open at one end Structure.

9. riser positioning device as claimed in claim 8, which is characterized in that the buckle set is embedded in the riser pad, The open end of the buckle set is flushed with riser pad upper surface.

10. riser positioning device as claimed in claim 9, which is characterized in that the buckle bar and buckle set are arranged in pairs, and At least it is arranged two pairs.

Technical field

The present invention relates to casting technology fields, the in particular to positioning of riser.

Background technique

Sand casting is a kind of casting technique for being most commonly used for production ductile cast iron casting.In the production of spheroidal graphite cast-iron In the process, Shrinkage Porosity in order to prevent, carrying out feeding using exothermic riser is a kind of most common process, exothermic riser by It makes, generally can not be directly contacted with casting in using exothermic material, and in order to after casting convenient for removal exothermic riser, hair Usually using the riser pad of a sand, in process of production, riser pad and riser buss between the riser buss and casting of hot riser Between positioning accuracy determine whether the feeding effect of riser can reach expected, the positioning accuracy of riser is especially heavy It wants.

Summary of the invention

Difficult problem is accurately positioned in view of the above riser pad and riser buss, it is necessary to propose a kind of riser positioning device, The riser positioning device realizes the precise positioning of riser pad and riser buss by setting bayonet unit, avoids shifting between the two Position.

A kind of riser positioning device, including riser pad positioning ring and riser buss locating fastener；The positioning ring is used for institute State the designated position that riser pad is located in sand mold；The locating fastener is used to riser buss being fixedly connected on the riser pad； Riser pad and riser buss are fixedly installed on the designated position of sand mold to realize, avoids and is connected because of riser pad with riser buss Riser caused by insecure, riser pad position inaccuracy deviates, and causes the problem that feeding effect is bad.

The positioning ring is equipped with several locating rods along week, and the locating rod is arranged radially along the positioning ring, the positioning One end of bar is connected on the positioning ring, and the one end of the locating rod far from the positioning ring is realized for being placed in sand mold Connection between positioning ring and sand mold.

Preferably, one end that the locating rod is placed in sand mold is additionally provided with hanging sand part, and the hanging sand part is perpendicular to described The quarter butt of locating rod promotes the attachment force between riser pad and sand mold to increase holding power of the positioning ring with respect to sand mold.

Preferably, the riser pad is made of molding sand, is embedded in the positioning ring in riser pad manufacturing process described Among riser pad, to realize the effect for positioning the riser pad by the positioning ring.Wherein, the ring structure of the positioning ring It is embedded in the riser pad, one end that the locating rod is used to connect sand mold leaks outside except the riser pad.

The locating fastener is equipped with buckle set and buckle bar, and buckle set inner wall is equipped with elastic slice, the buckle bar and One end of buckle set cooperation cooperates equipped with helicitic texture, the helicitic texture and the elastic slice, so that buckle to be covered to and be buckled bar It is connected as that the locating fastener of positioning action can be arrived with it.

Preferably, the buckle bar is additionally provided with hanging sand bar far from one end of the helicitic texture, to promote the buckle Attachment force of the bar with respect to riser buss.

More preferably, the buckle bar is embedded in advance in the riser buss, and helicitic texture leakage is in the riser It covers except end, to realize the connection of buckle bar and buckle set.

Preferably, the buckle set is box body structure open at one end, such as can be cube structure or cuboid knot Structure, the inboard wall of cartridge is equipped with elastic slice, for being clamped the buckle bar.

More preferably, the buckle set is embedded in advance in the riser pad, and buckle set open end edge is emitted with described Mouth pad upper surface flushes.

As the supplement of the technical program, the riser buss and the riser pad have molding sand to be made, after casting complete The riser buss and the riser pad are broken up, that is, can be taken off the riser positioning device.

Technical solution of the present invention the utility model has the advantages that the present invention by the way that riser pad to be first fixed on to the specified location of sand mold, Riser buss is fixed on the mode on riser pad again, realize riser it is accurate, fixedly positioning, avoid because of riser pad position not Accurate or riser buss and riser pad dislocation bring riser positional shift, to realize good riser feeding effect.

Detailed description of the invention

Fig. 1 is riser pad positioning ring schematic diagram；

Fig. 2 is riser buss locating fastener schematic diagram；

Fig. 3 is that positioning ring and riser pad cooperate schematic diagram；

Fig. 4 is positioning card use state diagram；

Fig. 5 is location A enlarged diagram；

In figure, 1- riser pad；2- positioning ring；3- riser buss；4- locating fastener；401- buckles bar；402- buckle set.

Specific embodiment

In order to illustrate more clearly of technical solution of the present invention, will be described in detail according to figure embodiment, it is aobvious and easy Insight, drawings in the following description are some embodiments of the invention, for those of ordinary skill in the art, is not paying Under the premise of creative work, other structure types or combination can also be obtained according to these attached drawings.

The present embodiment uses technical solution of the present invention, and specific embodiment is as follows.

As shown in attached drawing 1-5, a kind of riser positioning device including the positioning ring 2 for positioning and fixing riser pad 1 and is used In the locating fastener 4 for fixing and positioning riser buss 3.Ring structure and the ring structure edge of the positioning ring 2 equipped with middle part Several locating rods that all outer radial sides are set up, the locating rod are additionally provided with hanging sand far from one end of the ring structure Bar, for promoting the attachment force between the positioning ring 2 and riser pad 1.The locating fastener 4 is equipped with buckle bar 401 and buckle Set 402, described 401 one end of buckle bar is equipped with hanging sand bar, the other end is equipped with helicitic texture；The buckle set 402 is square box Body structure, and one end is not closed, the inner wall of the buckle set 402 of square box body structure is equipped at least two elastic slices, institute State elastic slice diagonally downward, namely the open end of the buckle set 402 upward in the case where, another face relative to open end It is denoted as the bottom of the buckle set 402, the end of the elastic slice covers 402 bottom towards the buckle；The buckle bar 401 After helicitic texture and the clip clamping, the secured connection of the buckle bar 401 and the buckle set 402 is realized, to realize The positioning and fixation of riser buss 3 and riser pad 1.

Specifically used mode is as follows:

1) positioning ring 2 and buckle set 402 are embedded in the riser pad 1 when making the riser pad 1, it is more excellent The positioning ring 2 is placed in the middle part on 1 thickness direction of riser pad by ground；One end of the locating rod equipped with hanging sand bar It leaks outside in the riser pad 1；Flush the open end of the buckle set 402 with the upper surface of riser pad 1, and the buckle covers 402 are evenly provided at least two.

2) specific bit being placed in the embedding riser pad 1 for having the positioning ring 2 on the sand mold that the assembly of type core is completed It sets, and the riser pad 1 is enclosed into reality with resin self-setting sand, need to accomplish to leak outside in the riser pad 1 with hanging sand bar Locating rod is all embedding, to guarantee fastness that riser pad 1 is connect with sand mold.

3) the buckle bar 401 is embedded in riser buss 3 in the manufacturing process of riser buss 3, the buckle bar 401 to 2 are arranged less, and one end equipped with helicitic texture is made to leak outside except the riser buss 3, while needing to make to be arranged in riser pad 1 On buckle set 402 corresponded to each other with the position for the buckle bar 401 being arranged on riser buss 3, to play the role of fixing.

4) riser buss 3 for being equipped with buckle bar 401 is placed on the riser pad 1 equipped with the buckle set 402, will be emitted Both muzzle 3 is pressed downward, and is caught in the elastic slice in the buckle set 402 in the helicitic texture of the buckle bar 401, thus realize Connection and fixing, namely realize riser buss 3 and riser pad 1 positioning and fixation.

5) riser is put into the riser buss 3, i.e., completion riser precise positioning with securely connect；It is complete in casting pouring Cheng Hou, the riser buss 3 and riser pad 1 made of molding sand are defeated and dispersed under the action of high temperature, after shake out, knockout, Ke Yishi The recycling and reusing of the existing riser positioning device.

By the implementation of above technical scheme, realize riser pad 1 and the accurate positionin of sand mold with securely connect, avoid Displacement between riser pad 1 and sand mold；Also achieve accurate positionin between riser buss 3 and riser pad 1 with securely connect, avoid and emit Dislocation between muzzle 3 and riser pad 1 placed the generation of runout, also ensure the accurate of riser position, to ensure that good Riser feeding effect.

Above embodiments are only the descriptions to a kind of typical case of technical solution of the present invention, it is reasonable, do not need to pay Out on the basis of creative work, can also reasonably it be expanded.