CN212144407U

CN212144407U - Multi-way valve casting shell with ceramic pipe exhaust pipe

Info

Publication number: CN212144407U
Application number: CN202020513376.3U
Authority: CN
Inventors: 刘吉术; 王宾; 王品清
Original assignee: Dalian Yuanjing Foundry Co ltd
Current assignee: Dalian Yuanjing Foundry Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-15
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a multiple unit valve casts shell with ceramic pipe blast pipe, concretely relates to foundry goods technical field, including the sand shell lid, go up sand shell and sand shell down, the laminating of sand shell top and last sand shell bottom down, it laminates mutually with sand shell lid bottom to go up the sand shell top, it inlays and is equipped with three lower sleeve to go up the sand shell top, the laminating of lower sleeve top has last sleeve, it inlays and establishes at sand shell lid top to go up the sleeve, it has all seted up logical groove to go up sleeve inner chamber both sides, it has all seted up the spout to lead to groove inner chamber bottom both sides, it is equipped with the blast pipe to go up sleeve inner chamber cover, the equal fixedly connected with slider in blast pipe lateral wall both sides. The utility model discloses a set up upper jacket, lower sleeve and blast pipe, effectively reduced the atmospheric pressure of last sand shell and lower sand shell intracavity for the molten iron flows more gently, reduces foundry goods production rear surface and produces a large amount of gas pockets and slag hole, compares effectual improvement foundry goods quality with prior art, has satisfied processing and has used the needs.

Description

Multi-way valve casting shell with ceramic pipe exhaust pipe

Technical Field

The utility model relates to a foundry goods technical field, more specifically say, the utility model relates to a multi-way valve casts shell with ceramic pipe blast pipe.

Background

The casting is a metal molding object obtained by various casting methods, namely, the smelted liquid metal is poured into a casting mold prepared in advance by pouring, injecting, sucking or other casting methods, and after cooling, the casting is subjected to subsequent processing means such as grinding and the like, so that the object with certain shape, size and performance is obtained.

In the cast iron production process, for guaranteeing that the casting material has good mechanical properties, it needs to be guaranteed that molten iron will keep unblocked constantly in the cavity exhaust in the pouring process, the gas evolution of sand core and sand shell is great among the prior art, gas can not in time discharge the casting and can produce gas pocket and slag hole after the cooling, and atmospheric pressure also can lead to the molten iron circulation to be obstructed simultaneously, and very big influence casting production back quality can not satisfy the user demand very well.

Disclosure of Invention

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a multiple unit valve casts shell with ceramic pipe blast pipe, the utility model aims to solve the technical problem be: gas can not in time discharge foundry goods can produce gas pocket and cinder eye after the cooling, and atmospheric pressure also can lead to the molten iron circulation to be obstructed simultaneously, the very big problem of influencing the foundry goods after the production quality.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-way valve casting shell with a ceramic pipe exhaust pipe comprises a sand shell cover, an upper sand shell and a lower sand shell, wherein the top of the lower sand shell is attached to the bottom of the upper sand shell, the top of the upper sand shell is attached to the bottom of the sand shell cover, three lower sleeves are embedded in the top of the upper sand shell, an upper sleeve is attached to the top of the lower sleeve, the upper sleeve is embedded in the top of the sand shell cover, through grooves are formed in two sides of an inner cavity of the upper sleeve, sliding grooves are formed in two sides of the bottom of the inner cavity of the through grooves, an exhaust pipe is sleeved in the inner cavity of the upper sleeve, sliding blocks are fixedly connected to two sides of the outer side wall of the exhaust pipe;

the blast pipe bottom passes the lower sleeve and extends to upper sand shell inner chamber top, the equal fixedly connected with reference column in upper sleeve bottom both sides, the constant head tank has been seted up with the reference column correspondence position in lower sleeve top, the reference column joint is in the constant head tank, blast pipe lateral wall cover is equipped with the sealing strip, lower sleeve inner chamber bottom is seted up flutedly, the sealing strip joint is in the recess, sand shell caping portion intercommunication has the inlet tube, the inlet tube top is connected with the funnel.

With the sand shell lid, go up sand shell and sand shell assembly back down, it is tightly closed with the laminating of lower sleeve to go up the sleeve, insert ceramic blast pipe in the sleeve from last, blast pipe both sides slider is through in leading to the inslot slip immigration spout that slides, it drives the slider and slides and lead to the groove separation in the spout to rotate the blast pipe, the blast pipe is spacing fixed in last sleeve, when the inlet tube pours into the casting molten iron into, go up sand shell and sand shell intracavity gas down and can establish the blast pipe discharge of bonding intercommunication through the top inlays, the atmospheric pressure of going up sand shell and sand shell intracavity has effectively been reduced, make the molten iron flow more mild, it produces a large amount of gas pockets and cinder hole to reduce foundry goods production rear surface, the effectual foundry goods quality that has.

In a preferred embodiment, the exhaust pipe is a ceramic pipe, and the inner wall of the ceramic pipe is smooth, so that air can be conveniently exhausted.

In a preferred embodiment, the cross section of the sealing strip is arc-shaped, and the cross section of the cavity of the groove is arc-shaped, so that the sealing effect is ensured to be improved.

In a preferred embodiment, the sealing strip is a heat insulation plastic strip, so that the influence of the heat of molten iron on the sealing performance is avoided.

In a preferred embodiment, the width of the inner cavity of the through groove is equal to the width of the sliding block, so that the exhaust pipe is guaranteed to slide into the sliding block and be clamped.

In a preferred embodiment, the cross section of the funnel is conical, the minimum diameter of the inner cavity of the funnel is equal to the diameter of the inner cavity of the water inlet pipe, the height of the top end of the exhaust pipe is larger than the heights of the funnel and the water inlet pipe, and the height of the exhaust pipe is larger than the heights of the funnel and the water inlet pipe, so that the pressure in the exhaust pipe can guide gas to be discharged from the exhaust pipe instead of the water gap.

In a preferred embodiment, reinforcing ribs are fixedly connected to four corners of the bottom of the lower sand shell, so that the fixed supporting capacity of the lower sand shell is improved, and molten iron injection shaking is reduced.

In a preferred embodiment, the joint surfaces of the upper sleeve and the lower sleeve, the sand shell cover and the upper sand shell are coated with adhesive sealing silica gel, so that the sealing effect is improved.

The utility model discloses a set up upper sleeve, lower sleeve and blast pipe, with the sand cap, go up sand shell and lower sand shell assembly back, it is tight with lower sleeve laminating to go up the sleeve, insert ceramic blast pipe from the upper sleeve, the blast pipe both sides slider is through sliding in the logical groove and shifting into the spout, the blast pipe is spacing fixed in the upper sleeve, when the inlet tube pours into the casting molten iron into, go up sand shell and lower sand shell intracavity gas can be discharged through the blast pipe that the top inlays to establish bonding intercommunication, the atmospheric pressure in last sand shell and lower sand shell intracavity has effectively been reduced, make the molten iron flow more gentle, it produces a large amount of gas pockets and slag pockets to reduce the casting production rear surface, compared with prior art, the casting quality has effectively been improved, the processing use needs have been satisfied;

the utility model discloses a set up the reference column, constant head tank and sealing strip, go up in the reference column of sleeve bottom can effectively make things convenient for the location to insert the lower sleeve, the blast pipe can separate through rotating slider and last sleeve and lower sleeve simultaneously, effectively make things convenient for the foundry goods ejection of compact after the staff is to the casting, the sealing strip can avoid going up the sand shell and discharging through the gap between lower sleeve and the blast pipe with lower sand shell intracavity air, ceramic blast pipe can effectively reduce air and blast pipe inner wall friction, increase exhaust efficiency, improve foundry goods production precision.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic front view of the structure of the present invention.

Fig. 3 is a schematic view of the front cross-sectional structure of the upper sleeve of the present invention.

Fig. 4 is an enlarged schematic structural diagram of a portion a in fig. 3 according to the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the upper sleeve of the present invention.

The reference signs are: 1 sand shell lid, 2 go up the sand shell, 3 lower sand shell, 4 strengthening ribs, 5 lower sleeves, 6 upper sleeves, 7 blast pipes, 8 logical grooves, 9 spout, 10 constant head tank, 11 inlet tubes, 12 funnels, 13 recesses, 14 sealing strips, 15 sliders, 16 reference columns.

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.

The utility model provides a multi-way valve casting shell with ceramic pipe exhaust pipe, including sand shell cover 1, upper sand shell 2 and lower sand shell 3, the laminating of lower sand shell 3 top and upper sand shell 2 bottom, the laminating of upper sand shell 2 top and sand shell cover 1 bottom, three lower sleeve 5 is inlayed at upper sand shell 2 top, the laminating of lower sleeve 5 top has upper sleeve 6, upper sleeve 6 inlays and establishes at sand shell cover 1 top, logical groove 8 has all been seted up to upper sleeve 6 inner chamber both sides, spout 9 has all been seted up to logical groove 8 inner chamber bottom both sides, upper sleeve 6 inner chamber cover is equipped with blast pipe 7, blast pipe 7 lateral wall both sides all fixedly connected with slider 15, slider 15 sliding connection is in spout 9;

the bottom of blast pipe 7 passes lower sleeve 5 and extends to 2 inner chamber tops of supreme sand shell, the equal fixedly connected with reference column 16 in 6 bottom both sides of upper sleeve, 5 tops of lower sleeve and reference column 16 correspond the position and have seted up constant head tank 10, the 16 joints of reference column are in

constant head tank

10, 7 lateral wall covers of blast pipe are equipped with

sealing strip

14, 5 inner chamber bottoms of lower sleeve have seted up recess 13, the 14 joints of sealing strip are in

recess

13, 1 top intercommunication of sand cap has inlet tube 11, the 11 tops of inlet tube are connected with funnel 12.

The 12 cross sectional shapes of funnel are the toper, 12 inner chamber minimum diameters of funnel equal to the 11 inner chamber diameters of inlet tube, the top height of blast pipe 7 is greater than the height of funnel 12 and inlet tube 11, the equal fixedly connected with strengthening rib 4 of 3 bottom four corners departments of lower sand shell, it has all coated bonding sealing silica gel with lower sleeve 5 and

sand shell lid

1 and 2 binding faces of last sand shell to go up sleeve 6.

As shown in fig. 1 to 5, the embodiment specifically is: after a sand shell cover 1, an upper sand shell 2 and a lower sand shell 3 are assembled, the upper sleeve 6 is tightly attached to the lower sleeve 5, the lower sleeve 5 is bonded with the top of an inner cavity of the upper sand shell 2 through a sealing colloid, a ceramic exhaust pipe 7 is inserted from the inside of the upper sleeve 6, sliding blocks 15 on two sides of the exhaust pipe 7 slide in a through groove 8 and move into a sliding groove 9, the exhaust pipe 7 is rotated to drive the sliding blocks 15 to slide in the sliding groove 9 and be separated from the through groove 8, the exhaust pipe 7 is limited and fixed in the upper sleeve, when a casting molten iron is injected into a water inlet pipe 11, gas in the cavities of the upper sand shell 2 and the lower sand shell 3 can be discharged through the exhaust pipe 7 with the top embedded and bonded and communicated, the height of the exhaust pipe 7 is larger than the heights of a funnel 12 and the water inlet pipe 11, so that the pressure in the exhaust pipe 7 can guide the gas to be discharged from, the molten iron flows more smoothly, a large amount of air holes and slag holes generated on the surface of the produced casting are reduced, the quality of the casting is effectively improved, and the processing and using requirements are met.

Lead to 8 inner chamber bottom both sides of groove and all seted up

spout

9, 6 inner chamber covers of upper sleeve are equipped with blast pipe 7, the equal fixedly connected with slider 15 in blast pipe 7 lateral wall both sides, slider 15 sliding connection is in spout 9, blast pipe 7 is ceramic pipe, the cross sectional shape of sealing strip 14 is the arc, and the cross sectional shape of recess 13 inner chamber is the arc, sealing strip 14 is thermal-insulated plastic strip, the width that leads to the groove 8 inner chamber equals with the width of slider 15.

As shown in fig. 1 to 4, the embodiment specifically is: go up the reference column 16 of 6 bottoms of sleeve 6 can effectively make things convenient for the location to insert in the lower sleeve 5, simultaneously blast pipe 7 can separate with last sleeve 6 and lower sleeve 5 through rotating slider 15, the convenience is separated with sand shell lid 1, effectively make things convenient for the foundry goods ejection of compact after the staff is to the casting, simultaneously the sealing strip 14 of blast pipe 7 outer wall gets into in 5 inner chamber recesses 13 of lower sleeve, sealing strip 14

seals blast pipe

7 and 5 contact surfaces of lower sleeve, avoid going up

sand shell

2 and 3 intracavity air of lower sand shell and pass through gap discharge between lower sleeve 5 and blast pipe 7, ceramic blast pipe 7 can effectively reduce air and 7 inner wall frictions of blast pipe, increase exhaust efficiency, improve foundry goods production precision.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, after a sand shell cover 1, an upper sand shell 2 and a lower sand shell 3 are assembled, an upper sleeve 6 is tightly attached to a lower sleeve 5, a ceramic exhaust pipe 7 is inserted into the upper sleeve 6, sliding blocks 15 on two sides of the exhaust pipe 7 slide into a sliding groove 9 in a through groove 8, the exhaust pipe 7 is fixed in the upper sleeve in a limiting manner, when casting molten iron is injected into a water inlet pipe 11, gas in cavities of the upper sand shell 2 and the lower sand shell 3 can be exhausted through the exhaust pipe 7 which is embedded at the top and is connected in a bonding manner, so that the air pressure in the cavities of the upper sand shell 2 and the lower sand shell 3 is effectively reduced, the molten iron flows more smoothly, a large number of air holes and slag holes are generated on the surface after casting production, the casting quality is;

referring to the attached drawings 1-4 of the specification, a positioning column 16 at the bottom of an upper sleeve 6 can be effectively and conveniently positioned and inserted into a lower sleeve 5, meanwhile, an exhaust pipe 7 can be separated from the upper sleeve 6 and the lower sleeve 5 through a rotating sliding block 15, workers can effectively and conveniently discharge cast products after casting, sealing strips 14 can prevent air in cavities of an upper sand shell 2 and a lower sand shell 3 from being discharged through gaps between the lower sleeve 5 and the exhaust pipe 7, the ceramic exhaust pipe 7 can effectively reduce friction between the air and the inner wall of the exhaust pipe 7, the exhaust efficiency is increased, and the production precision of the cast products is improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a casing is cast to multiple unit valve with ceramic pipe blast pipe, includes sand shell lid (1), goes up sand shell (2) and sand shell (3) down, its characterized in that: the top of the lower sand shell (3) is attached to the bottom of the upper sand shell (2), the top of the upper sand shell (2) is attached to the bottom of the sand shell cover (1), three lower sleeves (5) are embedded in the top of the upper sand shell (2), an upper sleeve (6) is attached to the top of each lower sleeve (5), the upper sleeves (6) are embedded in the top of the sand shell cover (1), through grooves (8) are formed in two sides of an inner cavity of each upper sleeve (6), sliding grooves (9) are formed in two sides of the bottom of the inner cavity of each through groove (8), an exhaust pipe (7) is sleeved in the inner cavity of each upper sleeve (6), sliding blocks (15) are fixedly connected to two sides of the outer side wall of each exhaust pipe (7), and the sliding blocks (15) are slidably connected in the;

blast pipe (7) bottom is passed down sleeve (5) and is extended to supreme sand shell (2) inner chamber top, go up equal fixedly connected with reference column (16) in sleeve (6) bottom both sides, constant head tank (10) have been seted up with reference column (16) corresponding position in lower sleeve (5) top, reference column (16) joint is in constant head tank (10), blast pipe (7) lateral wall cover is equipped with sealing strip (14), lower sleeve (5) inner chamber bottom is seted up flutedly (13), sealing strip (14) joint is in recess (13), sand shell lid (1) top intercommunication has inlet tube (11), inlet tube (11) top is connected with funnel (12).

2. The multiple-way valve casing with ceramic pipe exhaust of claim 1, wherein: the exhaust pipe (7) is a ceramic pipe.

3. The multiple-way valve casing with ceramic pipe exhaust of claim 1, wherein: the cross section of the sealing strip (14) is arc-shaped, and the cross section of the inner cavity of the groove (13) is arc-shaped.

4. The multiple-way valve casing with ceramic pipe exhaust of claim 1, wherein: the sealing strip (14) is a heat insulation plastic strip.

5. The multiple-way valve casing with ceramic pipe exhaust of claim 1, wherein: the width of the inner cavity of the through groove (8) is equal to that of the sliding block (15).

6. The multiple-way valve casing with ceramic pipe exhaust of claim 1, wherein: funnel (12) cross sectional shape is the toper, funnel (12) inner chamber minimum diameter equals inlet tube (11) inner chamber diameter, the top height of blast pipe (7) is greater than the height of funnel (12) and inlet tube (11).

7. The multiple-way valve casing with ceramic pipe exhaust of claim 1, wherein: the bottom four corners of the lower sand shell (3) are fixedly connected with reinforcing ribs (4).

8. The multiple-way valve casing with ceramic pipe exhaust of claim 1, wherein: and adhesive sealing silica gel is smeared on the binding surfaces of the upper sleeve (6) and the lower sleeve (5) and the sand shell cover (1) and the upper sand shell (2).