CN117816913B - Combined pump body casing casting die - Google Patents

Abstract

The invention discloses a combined pump body casing casting mould, which comprises a movable module movably arranged at two sides of a static module, wherein a fixed mould column is arranged on the movable module, and the static module respectively comprises: the plate body is fixedly arranged on the frame; the two clamping half plates are symmetrically and movably arranged and are connected to the plate body in a sliding manner, and the clamping half plates move oppositely to clamp the hollow sand core; and the movable module is driven to be clamped along the plate body so as to fix the hollow sand core through the fixed mould column. According to the combined pump body shell casting mold provided by the invention, the static module which is fixed is added between the two movable modules, the hollow sand core is fixed by the clamping half plate on the static module, the hollow sand core can be pre-fixed, the problem that the movable modules are eccentric during mold closing is avoided, the hollow sand core with higher precision can be adopted, the precision after product production is improved, and the condition that the hollow sand core is clamped when the mold closing occurs due to tolerance shrinkage can be avoided.

Description

Combined pump body casing casting die

Technical Field

The invention relates to the technical field of pump body shell casting, in particular to a combined pump body shell casting die.

Background

Cast iron has good corrosion resistance, is widely applied to pump body shells, is manufactured in a casting mode during production, and can relatively reduce the production cost.

The pump body shell comprises a separated pump shell and an integrated pump shell, wherein the integrated pump shell has higher precision, and a hollow part in the pump shell is manufactured by an ablation method after hollow filling.

According to patent number CN108555248a, publication (bulletin) day: 2018-09-21, discloses a casting method of a water pump shell of an automobile engine, comprising the following steps: s1, manufacturing a casting mold; s2, combining the sand cores and closing the dies; s3, turning over and casting; s4, cooling, molding and shakeout; s5, detecting products. The casting method of the automobile engine water pump shell provided by the invention realizes the rapid and accurate casting of the automobile engine water pump shell through the steps of manufacturing a casting mould, combining a sand core, closing the mould, turning over, casting, cooling, molding, shakeout, product detection and the like, and solves the problems of complex casting process of the automobile engine water pump shell, poor molding effect of the inner cavity of the automobile engine water pump shell and the like in the prior art. The casting method of the automobile engine water pump shell has the advantages of simple flow, short time, high accuracy and the like. The invention also discloses a casting die of the automobile engine water pump shell.

In the prior art including above-mentioned patent, integral type pump case mould, divide into two centre gripping formula moulds often, fix through the centre gripping hollow, when assembly line production, two moulds move in opposite directions or in opposite directions along the center to the die sinking takes out the product, or increase the precision when the compound die, but install to one of them mould on through the manipulator, along with the removal once more of mould, the hollow can appear eccentric condition along with the centrifugation, need the hollow to possess great tolerance this moment, just can guarantee that the hollow can not damage along with the centre gripping of mould, and great tolerance can influence product precision.

Disclosure of Invention

The invention aims to provide a combined pump body casing casting die, which aims to solve the problem that when a die with two-way movement is used for die assembly, the hollow core is easy to eccentric.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a combination formula pump body casing casting mould, includes the activity and sets up in the movable module of quiet module both sides, be provided with the fixed mould post on the movable module, quiet module includes respectively:

The plate body is fixedly arranged on the frame;

The two clamping half plates are symmetrically and movably arranged and are connected to the plate body in a sliding manner, and the clamping half plates move oppositely to clamp the hollow sand core;

the movable module is driven to be clamped along the plate body so as to fix the hollow sand core through the fixed mould column and drive the two clamping half plates to slide along the plate body to be separated from the hollow sand core.

Preferably, both ends of the plate body are slidably connected with sliding sleeves, guide holes are formed in the sliding sleeves, guide columns are arranged on the movable modules, and the guide columns slide along the guide holes along with the mold closing of the movable modules.

Preferably, the sliding sleeve is provided with a guide pushing block, the guide pushing block is provided with a second guide inclined plane, the clamping half plate is provided with a guide sliding block, and the fixed mould column is driven to fix the hollow sand core and moves so as to push the guide sliding block to be clamped into the second guide inclined plane.

Preferably, the guiding pushing block is provided with a stopping groove in a linear array, the hollow sand core is clamped by the manipulator to push against the two clamping half plates, so that the guiding sliding block is driven to be sequentially clamped in along the stopping grooves, and the two clamping half plates are folded to clamp the hollow sand core.

Preferably, a traction rotating block is arranged between the first ends of the two clamping half plates, the plate body is provided with a first guide inclined plane which is attached to the clamping half plates, the clamping half plates are provided with protruding points, and the traction rotating block is driven to draw the clamping half plates, so that the clamping half plates are overturned along the protruding points and slide and are closed along the first guide inclined plane.

Preferably, a first spring is arranged between the sliding sleeve and the plate body, and the first spring drives the second guide inclined plane to push the guide sliding block to move after being compressed along with pushing of the guide pillar.

Preferably, the air seal device further comprises an air seal mechanism, wherein the air seal mechanism comprises an air passage covered on the clamping half plate, the second end of the clamping half plate is provided with a bonding surface, and the air seal mechanism comprises the following two stations:

A first station: the two joint surfaces are blocked when the clamping half plates are closed;

And a second station: the two fitting surfaces are opened along with the clamping half plate and communicated with the air passage.

Preferably, the plate body is provided with a sliding cavity, the clamping half plate is provided with an input cavity, the sliding cavity is fixedly communicated with a return pipe, and the input cavity is opened along with the closing of the clamping half plate so as to drive air flow to flow along the sliding cavity to the return pipe for cooling.

Preferably, the clamping half plate is connected with a blocking plate in a sliding manner, and the blocking plate pushes against and opens the input cavity along with the stopping groove.

Preferably, the movable module is provided with a partition plate, and a cooling space is formed by the partition plate and the sliding cavity when the clamping half plate is closed.

In the technical scheme, the combined pump body casing casting die provided by the invention has the following beneficial effects: the fixed static module is added between the two movable modules, the hollow sand core is fixed by the clamping half plate on the static module, the hollow sand core can be pre-fixed, the problem that the movable modules are eccentric during die assembly is avoided, the hollow sand core with higher precision can be adopted, the post-production precision of a product is improved, and the situation that the hollow sand core is clamped when the die assembly occurs due to the reduction of tolerance can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is an overall explosion schematic provided by an embodiment of the present invention;

FIG. 3 is an exploded view of a static module according to an embodiment of the present invention;

FIG. 4 is a schematic overall cross-sectional view of an embodiment of the present invention;

FIG. 5 is an enlarged schematic view of FIG. 4 at A;

FIG. 6 is an enlarged schematic view of FIG. 4 at B;

fig. 7 is a schematic cross-sectional view of a static module according to an embodiment of the invention.

Reference numerals illustrate:

1. A movable module; 11. pouring the port; 12. a guide opening; 13. a guide post; 14. a fixed mold column; 15. a partition plate; 2. a static module; 21. a plate body; 211. a sliding chamber; 212. a first guide slope; 22. clamping the half plate; 220. an input chamber; 221. clamping the die cavity; 222. a guide block; 23. a slip sleeve; 230. an air guide hole; 231. a guide hole; 232. a first spring; 24. guiding the pushing block; 241. a stagnation groove; 242. a second guide slope; 25. pulling the rotating block; 3. an air sealing mechanism; 31. an airway; 32. a return pipe; 33. a plugging plate; 331. a second spring; 4. and (5) hollow sand cores.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

As shown in fig. 1-7, a combined pump body casing casting mold comprises a movable module 1 movably arranged at two sides of a static module 2, a fixed mold column 14 is arranged on the movable module 1, and the static module 2 respectively comprises:

A plate body 21 fixedly provided on the frame;

two clamping half plates 22 which are symmetrically and movably arranged and are connected to the plate body 21 in a sliding manner, wherein the clamping half plates 22 are oppositely moved to clamp the hollow sand core 4;

The movable module 1 is driven to be clamped along the plate body 21 so as to fix the hollow sand core 4 through the fixed mould column 14 and drive the two clamping half plates 22 to slide along the plate body 21 to be separated from the hollow sand core 4.

Specifically, the second end of the clamping half plate 22 is provided with a clamping die cavity 221, the movable module 1 is provided with a pouring opening 11, the movable module 1 is provided with a fixed die column 14, the fixed die column 14 is a part of the die cavity, when the hollow sand core 4 is clamped, the pump body shell is guaranteed to be in a penetrating state during pouring, the two movable modules 1 are driven by a power unit (the power unit can be a cylinder or a hydraulic cylinder or a power structure well known to a person skilled in the art), the two movable modules are driven to approach the plate body 21 for die assembly, the clamping half plates 22 are symmetrically arranged, when the hollow sand core 4 is installed, the hollow sand core 4 is moved towards the clamping die cavity 221 by a manipulator, then the second end (taking fig. 3 as a reference, the second end is the right end, and the first end is the left end) of the clamping die cavity 221 is folded for pre-fixing, then when the two movable modules 1 are driven to be required for pouring, the movable modules 1 are driven to approach each other, the fixed die column 14 is driven to clamp the hollow sand core 4 which is already scheduled, and simultaneously the two clamping half plates 22 slide along the plate body 21 to be separated from the plate body 21, and then the two half plates are completely folded along with the die cavity 221, and the hollow sand core 11 is completely poured along with the clamping opening 11.

The frame is a large-scale turning device or a mechanical arm which can shake, and is conventional equipment for a pouring assembly line.

In the above technical scheme, the fixed static module 2 is added between the two movable modules 1, the hollow sand core 4 is fixed by the clamping half plate 22 on the static module 2, the hollow sand core 4 can be pre-fixed, the problem that the movable modules 1 are eccentric during die assembly is avoided, the hollow sand core 4 with higher precision can be adopted, the post-production precision of a product is improved, and the situation that the hollow sand core 4 is clamped when die assembly occurs due to the reduction of tolerance can be avoided.

Further, the structure for driving the clamping half plate 22 to move and clamp can be driven by a cylinder; but also can be driven by a hydraulic cylinder; or may be a power structure known to those skilled in the art.

As an embodiment of the invention, both ends of the plate body 21 are slidably connected with a sliding sleeve 23, a guide hole 231 is formed in the sliding sleeve 23, a guide post 13 is arranged on the movable module 1, and the guide post 13 is matched with the movable module 1 to slide along the guide hole 231.

Specifically, the movable module 1 is provided with a guide opening 12 for fixing the guide post 13, when the movable module 1 is closed in opposite directions, the guide post 13 is inserted along the plate body 21 and slides along the guide hole 231, so that in the process of closing the movable module 1, when the movable module 1 slides along the guide hole 231, the movable module 1 and the plate body 21 are ensured not to be inclined, the positioning function is achieved, the closing precision is increased, and meanwhile, the clamping half plate 22 can be driven to empty the sand core 4 along with the closing of the movable module 1 and is folded to form a part of a die cavity.

When the hollow sand core 4 is installed, the hollow sand core 4 is close to the clamping die cavity 221 by a mechanical arm, then the clamping die cavity 221 is folded to clamp the hollow sand core 4 for pre-fixing, then when two movable modules 1 are driven to be clamped and are required to be poured, the movable modules 1 are close to each other along the plate body 21, the hollow sand core 4 which is reserved is clamped through the fixed die column 14 by guiding through the guiding holes 231, meanwhile, the two clamping half plates 22 are driven by the movable modules 1 to slide along the plate body 21 so as to separate from the hollow sand core 4, and at the moment, the clamping die cavity 221 is completely folded along with the two clamping half plates 22 to form a part of the die cavity, and then pouring is carried out along the pouring opening 11.

In the above-mentioned scheme, the structure of the movable module 1 driving the clamping half plate 22 to move may be a steel cable disposed between the movable module 1 and the clamping half plate 22, the steel cable pulls the clamping half plate 22 to clamp the hollow sand core 4 through the elastic member, and the movable module 1 pushes against the steel cable to pull the clamping half plate 22 to separate; the telescopic motor can be arranged on the clamping half plate 22, and the clamping half plate 22 is driven to be separated along with the triggering of a telescopic motor switch by the die assembly of the movable module 1; or other structures known to those skilled in the art.

As a preferred embodiment provided by the invention, the sliding sleeve 23 is provided with a guide pushing block 24, the guide pushing block 24 is provided with a second guide inclined plane 242, the clamping half plate 22 is provided with a guide sliding block 222, and the fixed mould column 14 is driven to fix the hollow sand core 4 and moves so as to push the guide sliding block 222 to clamp into the second guide inclined plane 242.

Specifically, the plate body 21 is provided with a through sliding cavity, when the clamping half plate 22 retracts into the plate body 21, the guide block 222 slides along the sliding cavity and is attached to the sliding cavity (refer to fig. 6 as an attached state) for locking, after the guide post 13 is clamped into the guide hole 231, along with the continuous movement of the movable module 1, the sliding sleeve 23 is pushed to slide along the plate body 21 to be close to the clamping half plate 22, when the two clamping half plates 22 Zhang Kaishi, the second guide inclined plane 242 moves along the second guide inclined plane 242 and the sliding cavity along with the movement of the sliding sleeve 23, until the guide block 222 is attached to the sliding cavity for locking, a certain eccentric tolerance is not required to be added between the fixed die column 14 and the clamped hollow sand core 4, the eccentric tolerance is not less than 3mm, so that the hollow sand core 4 can move eccentrically because of the fixation, and the eccentric movement can push the guide block 222 to be clamped into the second guide inclined plane 242.

When the hollow sand core 4 is installed, the hollow sand core 4 is close to the clamping die cavity 221 by a mechanical arm, then the clamping die cavity 221 closes to clamp the hollow sand core 4 for pre-fixing, then when two movable modules 1 are driven to be clamped and are required to be poured, the movable modules 1 are close to each other along the plate body 21, the hollow sand core 4 which is scheduled to be poured is clamped through the fixed die column 14 by guiding of the guide hole 231, at the moment, the eccentrically moving hollow sand core 4 pushes the pushing guide sliding block 222 to clamp the second guide inclined surface 242, meanwhile, the sliding sleeve 23 pushes the sliding block along with the sliding block, the sliding of the guide sliding block 222 is limited by the second guide inclined surface 242, so that the two clamping half plates 22 slide along the plate body 21 to be separated from the hollow sand core 4, and at the moment, the clamping die cavity 221 is completely closed along with the two clamping half plates 22 to form a part of the die cavity, and then pouring is performed along the pouring opening 11.

As a preferred embodiment of the present invention, the guiding pushing block 24 is provided with the stagnation grooves 241 in a linear array, and the hollow sand core 4 is pushed against the two clamping half plates 22 by the clamping of the manipulator, so as to drive the guiding sliding block 222 to be sequentially clamped along the stagnation grooves 241, so that the two clamping half plates 22 are folded to clamp the hollow sand core 4.

Specifically, the stagnation grooves 241 and the second guide inclined planes 242 belong to two planes, when the two movable modules 1 are not assembled, the second guide inclined planes 242 on the sliding sleeve 23 do not limit the guide slide blocks 222, at this time, the two clamping half plates 22 are driven to be in a second end opening state and slide along the sliding cavity to extend out of the plate body 21, then the mechanical arm clamps the hollow sand core 4 to push against along the clamping cavity 221, so that the clamping half plates 22 are folded along the sliding cavity and sequentially clamp the guide slide blocks 222 into different stagnation grooves 241 along the direction close to the second guide inclined planes 242, and are folded.

When the hollow sand core 4 is installed, the hollow sand core 4 is close to the clamping die cavity 221 by a mechanical hand, then the clamping die cavity 221 is closed along the sliding cavity by mechanical hand, the guide sliding block 222 is clamped on the stagnation groove 241 for stagnation, so that the hollow sand core 4 is clamped for pre-fixing, at the moment, the eccentric moving hollow sand core 4 is pushed to push the guide sliding block 222 to move out of the stagnation groove 241 and be clamped into the second guide inclined surface 242, then when the two movable modules 1 are driven to be clamped for casting, the movable modules 1 are close to each other along the plate body 21, the hollow sand core 4 which is already scheduled is clamped through the fixed die column 14 by guiding of the guide holes 231, meanwhile, the sliding sleeve 23 is pushed along with the sliding block, the guide sliding block 222 is limited by the second guide inclined surface 242, so that the two clamping half plates 22 slide along the plate body 21 to be separated from the hollow sand core 4, and at the moment, the clamping die cavity 221 is completely closed along with the two clamping half plates 22 to form a part of the die cavity, and then casting is carried out along the casting opening 11.

As the best embodiment provided by the invention, a traction rotating block 25 is arranged between the first ends of the two clamping half plates 22, a first guide inclined plane 212 which is attached to the clamping half plates 22 is arranged on the plate body 21, protruding points are arranged on the clamping half plates 22, and the traction rotating block 25 is driven to draw the clamping half plates 22, so that the clamping half plates 22 turn over along the protruding points and slide and close along the first guide inclined plane 212.

Specifically, the first guiding inclined plane 212 is disposed on the sliding cavity, the first end of the clamping half plate 22 is provided with a rotating column, the pulling rotating block 25 includes two rotating sleeves and an elastic member disposed between the two rotating sleeves, the two rotating sleeves are respectively sleeved on the two rotating columns, the two elastic members are always contracted, so that the distance between the two rotating sleeves is shortened, when the first end of the clamping half plate 22 is pulled close to each other along with the pulling rotating block 25 and is closed, the clamping half plate 22 can turn along the protruding point, and when the clamping half plate 22 is not limited, the clamping half plate 22 can turn and simultaneously slide out along the first guiding inclined plane 212, so that the clamping half plate 22 is located on the extending plate 21.

When the hollow sand core 4 is installed, the pulling rotating block 25 is folded to drive the clamping half plates 22 to extend out of the plate body 21, the hollow sand core 4 is close to the clamping die cavity 221 by a mechanical hand, then the clamping die cavity 221 is pushed by a mechanical hand, the clamping half plates are folded along the sliding cavity and retained on the stagnation groove 241 by the sliding block 222 to clamp the hollow sand core 4 for pre-fixing, at the moment, the eccentrically moving hollow sand core 4 is pushed to push the sliding block 222 to move out of the stagnation groove 241 and be clamped into the second guide inclined surface 242, then when the two movable modules 1 are driven to be clamped for casting, the movable modules 1 are close to each other along the plate body 21, the hollow sand core 4 which is already scheduled is clamped through the guiding of the fixed die posts 14, meanwhile, the sliding sleeve 23 is pushed along with the sliding block, the sliding block 222 is limited by the second guide inclined surface 242, so that the two clamping half plates 22 overcome the pulling force of the pulling rotating block 25 to slide along the plate body 21, at the moment, the clamping die cavity 221 is completely folded along the two clamping half plates 22 to form a part of the casting die cavity 11, and then the casting is carried out along the opening 11.

As a preferred embodiment of the present invention, a first spring 232 is disposed between the sliding sleeve 23 and the plate 21, and after the first spring 232 is compressed along with the pushing of the guide post 13, the second guiding inclined plane 242 is driven to push the guiding sliding block 222 to move.

Specifically, when the movable module 1 is not in the closed state, the first spring 232 pushes the sliding sleeve 23 to be away from the clamping half plate 22, so as to ensure that the clamping cavity 221 on the clamping half plate 22 has an open space, and when the movable module 1 is in the closed state, the guide post 13 on the movable module 1 can contact the guide hole 231 for guiding the closed state at the first time.

When the hollow sand core 4 is installed, the pulling rotating block 25 is folded to drive the clamping half plates 22 to extend out of the plate body 21, the hollow sand core 4 is close to the clamping die cavity 221 by a mechanical hand, then the clamping die cavity 221 is pushed by a mechanical hand, the clamping half plates are folded along the sliding cavity and retained on the stagnation groove 241 by the sliding block 222 to clamp the hollow sand core 4 for pre-fixing, at the moment, the eccentrically moving hollow sand core 4 is pushed to push the sliding block 222 to move out of the stagnation groove 241 and be clamped into the second guide inclined surface 242, then when the two movable modules 1 are driven to be clamped for casting, the movable modules 1 are close to each other along the plate body 21, the hollow sand core 4 which is already scheduled is clamped through the guiding of the fixed die posts 14, meanwhile, the sliding sleeve 23 is pushed along with the sliding block, the sliding block 222 is limited by the second guide inclined surface 242, so that the two clamping half plates 22 overcome the pulling force of the pulling rotating block 25 to slide along the plate body 21, at the moment, the clamping die cavity 221 is completely folded along the two clamping half plates 22 to form a part of the casting die cavity 11, and then the casting is carried out along the opening 11.

As an embodiment of the present invention, the air seal mechanism 3 further includes an air channel 31 covered on the clamping half plate 22, and the second end of the clamping half plate 22 is provided with a bonding surface, which includes the following two stations:

A first station: the two abutting surfaces are blocked when the clamping half plate 22 is closed;

and a second station: the two abutment surfaces open with the clamping half plate 22 and communicate with the air channel 31.

Specifically, the first end of the clamping half plate 22 is provided with a limited sheet to limit the first end of the clamping half plate 22 to be always located in the air channel 31, the second end of the clamping half plate 22 is provided with a bonding surface (taking fig. 3 as a reference, the second end is the right end, and the first end is the left end), when the clamping half plate 22 is pushed by the second guide inclined surface 242 on the sliding sleeve 23 to be closed, the bonding surface is located at the first station, the air flow in the air channel 31 cannot enter the die cavity at this moment, and when the pouring is finished to open the die, the clamping half plate 22 without limitation can open the bonding surface along with the pulling of the pulling block 25 to be located at the second station, and at this moment, the air channel 31 outputs cooling air flow to cool a product after the pouring and the demolding, so that the damage to the manipulator and the conveyor belt is reduced at a high temperature.

When the hollow sand core 4 is installed, the traction rotating block 25 is folded to drive the clamping half plates 22 to extend out of the plate body 21, the hollow sand core 4 is close to the clamping die cavity 221 by a mechanical hand, then the clamping die cavity 221 is abutted by a mechanical hand, the clamping half plates are folded along the sliding cavity and retained on the stagnation groove 241 by the guide sliding block 222 in a clamping manner so as to clamp the hollow sand core 4 for pre-fixing, at the moment, the eccentrically-moving hollow sand core 4 is pushed to push the guide sliding block 222 to move out of the stagnation groove 241 and be clamped into the second guide inclined surface 242, then when two movable modules 1 are driven to be matched for casting, the movable modules 1 are close to each other along the plate body 21, the hollow sand core 4 which is scheduled is clamped through the guide of the fixed die column 14, meanwhile, the sliding sleeve 23 is pushed to slide along the second guide inclined surface 242, so that the two clamping half plates 22 overcome the traction rotating block 25 to slide along the plate body 21 and separate from the sand core 4, and the fitting surface on the movable clamping half plates 22 can be closed along with the stagnation groove 241, then the two clamping half plates 22 are completely opened along the first die cavity 11, and the two die cavity 11 are completely opened along with the second die cavity 11 after casting is completed, and the product is further cooled, and the product is cast along the first die cavity and the second die cavity is completely opened.

As a preferred embodiment of the present invention, the plate body 21 is provided with a sliding cavity 211, the clamping half plate 22 is provided with an input cavity 220, the sliding cavity 211 is fixedly communicated with the return pipe 32, and the input cavity 220 is opened along with the closing of the clamping half plate 22 so as to drive the air flow to flow along the sliding cavity 211 to the return pipe 32 for cooling.

Specifically, the sliding sleeve 23 is slidably connected in the sliding cavity 211, the sliding sleeve 23 is provided with the air guide hole 230, the air channel 31 is communicated with the sliding cavity 211, when the joint surface is in the first station, air flow in the air channel 31 enters the sliding cavity 211 along the input cavity 220 and is discharged from the return pipe 32 to complete circulation after flowing along the air guide hole 230, at the moment, the clamping cavity 221 serving as a part of the cavity can be cooled, and the plate body 21 can also be cooled through the sliding cavity 211, so that the problem that the cooling speed of the plate body 21 is too slow due to the static module 2 in the pouring cooling process is avoided.

When the hollow sand core 4 is installed, the traction rotating block 25 is folded to drive the clamping half plates 22 to extend out of the plate body 21, the hollow sand core 4 is close to the clamping die cavity 221 by a mechanical hand, then the clamping die cavity 221 is abutted by a mechanical hand, the clamping half plates are folded along the sliding cavity and retained on the stagnation groove 241 by the clamping block 222 to clamp the hollow sand core 4, at the moment, the eccentrically-moving hollow sand core 4 is pushed to push the clamping block 222 to move out of the stagnation groove 241 and clamped into the second guide inclined surface 242, then when two movable modules 1 are driven to be matched to perform pouring, the movable modules 1 are close to each other along the plate body 21, the hollow sand core 4 which is scheduled is clamped through the guiding of the fixed die column 14, meanwhile, the sliding sleeve 23 is pushed to limit the sliding block 222 along the sliding surface 242 by the second guide inclined surface, so that the two clamping half plates 22 overcome the drawing force of the traction rotating block 25, the eccentric moving hollow sand core 4 is pushed to move out of the stagnation groove 241 and clamped into the second guide inclined surface 242, then the two clamping half plates are closed along the first air channel surface and the second air channel 11 is formed along the sliding die cavity, and the two air channel 11 are completely opened along the first air channel is formed, and the second channel is closed along the sliding surface of the sliding cavity, and the second channel is opened along the second channel is closed along the second channel, and the channel is opened, and the two channel is closed along the sealing surface, and the sealing cavity is opened, and the sealing and the sealing space is opened.

As a preferred embodiment provided by the invention, the clamping half plate 22 is connected with the plugging plate 33 in a sliding manner, and the plugging plate 33 pushes against the input cavity 220 along with the stopping groove 241;

The movable module 1 is provided with a partition plate 15, and when the clamping half plate 22 is closed, a cooling space is formed with the partition plate 15 and the sliding cavity 211.

Specifically, the clamping half plates 22 are slidably connected with the plugging plate 33, a second spring 331 is disposed between the two clamping half plates 22, when the two clamping half plates 22 are opened, the second spring 331 pushes against the plugging input cavity 220, the plugging plate 33 is blocked by the stopping groove 241 on the guiding pushing block 24 when the sliding sleeve 23 is moved, and pushes against the plugging plate 33 to open the input cavity 220 against the pushing force of the second spring 331, so that the trend of the air flow can be switched along with the opening and closing of the movable module 1, the manual air flow trend switching is not needed, the production of the assembly line is better adapted, when the movable module 1 is closed, the partition plate 15 is attached to the clamping die cavity 221 of the clamping half plates 22 along with the movement, so that the two clamping half plates 22 are locked, the sliding cavity 211 and the partition plate 15 can surround to form a cooling space, and the cooling space is fixedly communicated with the return pipe 32, so that the cooling circulation of the air flow is realized.

When the hollow sand core 4 is installed, the pulling rotating block 25 is folded to drive the clamping half plate 22 to extend out of the plate body 21, the hollow sand core 4 is close to the clamping die cavity 221 by a mechanical hand, then the clamping die cavity 221 is pressed by a mechanical hand, is folded along the sliding cavity and is clamped on the stagnation groove 241 by the guide sliding block 222 for stagnation so as to clamp the hollow sand core 4 for pre-fixing, at the moment, the eccentrically moving hollow sand core 4 is pressed against the guide sliding block 222 to move out of the stagnation groove 241 and be clamped into the second guide inclined surface 242, then when two movable modules 1 are driven to be clamped for casting, the movable modules 1 are close to each other along the plate body 21, the hollow sand core 4 which is already scheduled is clamped by the guide of the guide hole 231 through the fixed die column 14, meanwhile, the sliding sleeve 23 is pressed with the sliding block, the sliding of the guide sliding block 222 is limited by the second guide inclined surface 242, the two clamping half plates 22 overcome the folding force of the traction rotating block 25, so that the clamping half plates 22 slide along the plate body 21 to separate from the hollow sand core 4, the joint surface on the clamping half plates 22 can be closed along with the movement, at the moment, the clamping die cavity 221 is completely folded along with the two clamping half plates 22 to form a part of the die cavity, at the moment, the clamping half plates 22, the sliding cavity 211 and the partition plate 15 can surround to form a cooling space, the stagnation groove 241 can be clamped on the blocking plate 33, the blocking plate 33 is pushed against the pushing force of the second spring 331 to open the input cavity 220, then pouring is carried out along the pouring opening 11, and when pouring, air flow in the air channel 31 enters the sliding cavity 211 along the input cavity 220 along with the closed joint surface, and after pouring, the joint surface is opened along with the two movable modules 1 to enable the joint surface to be opened at the second station, so that the shaped product is cooled further.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.

Claims (6)

1. The utility model provides a combination formula pump body casing casting mould, its characterized in that, including the activity set up in movable module (1) of quiet module (2) both sides, be provided with fixed mould post (14) on movable module (1), quiet module (2) include respectively:

The plate body (21) is fixedly arranged on the frame, and a through sliding cavity is formed in the plate body (21);

the two clamping half plates (22) are symmetrically and movably arranged and are connected to the plate body (21) in a sliding mode, a clamping die cavity (221) is formed in the second end of each clamping half plate (22), when the hollow sand core (4) is installed, the hollow sand core (4) is close to the clamping die cavity (221) by a mechanical arm, and then the second end of the clamping die cavity (221) is folded to clamp the hollow sand core (4) for pre-fixing;

The movable module (1) is driven to be clamped along the plate body (21) so as to fix the hollow sand core (4) which is pre-fixed through the fixed mould column (14), and the two clamping half plates (22) are driven to slide along the plate body (21) to be separated from the hollow sand core (4), and at the moment, the clamping mould cavity (221) is completely folded along with the two clamping half plates (22) to form a part of the mould cavity;

the two ends of the plate body (21) are both connected with sliding sleeves (23) in a sliding manner, guide holes (231) are formed in the sliding sleeves (23), guide columns (13) are arranged on the movable modules (1), and the guide columns (13) slide along the guide holes (231) along with the die closing of the movable modules (1);

The sliding sleeve (23) is provided with a guide pushing block (24), the guide pushing block (24) is provided with a second guide inclined plane (242), the clamping half plate (22) is provided with a guide sliding block (222), and the fixed mould column (14) is driven to fix the hollow sand core (4) and moves so as to push the guide sliding block (222) to be clamped into the second guide inclined plane (242);

the guiding pushing block (24) is provided with a stagnation groove (241) in a linear array, the stagnation groove (241) and the second guide inclined plane (242) belong to two planes, when two movable modules (1) are not assembled, the second guide inclined plane (242) on the sliding sleeve (23) does not limit the guide sliding block (222), at the moment, the two clamping half plates (22) are driven to be in a second end opening state and slide along the sliding cavity to extend out of the plate body (21), then the mechanical arm clamps the hollow sand core (4) to push against along the clamping die cavity (221), so that the clamping half plates (22) are clamped into different stagnation grooves (241) along the direction close to the second guide inclined plane (242) in sequence, and the hollow sand core (4) is clamped and fixed when the guide sliding block (222) is clamped into the stagnation groove (241) closest to the second guide inclined plane (242);

A traction rotating block (25) is arranged between the first ends of the two clamping half plates (22), a first guide inclined plane (212) which is attached to the clamping half plates (22) is arranged on the plate body (21), protruding points are arranged on the clamping half plates (22), the traction rotating block (25) is driven to draw the clamping half plates (22), so that the clamping half plates (22) are overturned along the protruding points and slide to be closed along the first guide inclined plane (212).

2. A combined pump body casing casting mould according to claim 1, characterized in that a first spring (232) is arranged between the sliding sleeve (23) and the plate body (21), and the first spring (232) is compressed along with pushing of the guide post (13) to drive the second guide inclined surface (242) to push the guide sliding block (222) to move.

3. The casting mold for the pump body casing according to claim 1, further comprising an air sealing mechanism (3) comprising an air passage (31) covered on the clamping half plate (22), wherein the second end of the clamping half plate (22) is provided with a bonding surface, and the casting mold comprises the following two stations:

a first station: the two abutting surfaces are blocked when the clamping half plates (22) are closed;

And a second station: the two fitting surfaces are opened along with the clamping half plate (22) and communicated with the air passage (31).

4. A combined pump body casing casting mould according to claim 3, wherein the plate body (21) is provided with a sliding cavity (211), the clamping half plate (22) is provided with an input cavity (220), the sliding cavity (211) is fixedly communicated with a return pipe (32), and the input cavity (220) is opened along with the closing of the clamping half plate (22) so as to drive air flow to flow along the sliding cavity (211) to the return pipe (32) for cooling.

5. The combined pump body casing casting mold according to claim 4, wherein the clamping half plate (22) is slidably connected with a blocking plate (33), and the blocking plate (33) pushes against and opens the input cavity (220) along with the stagnation groove (241).

6. The casting mold for the combined pump body housing according to claim 4, wherein the movable module (1) is provided with a partition plate (15), and the clamping half plate (22) forms a cooling space with the partition plate (15) and the sliding cavity (211) when being closed.