CN218744757U - Pipe die plugging device for centrifugal casting - Google Patents

Abstract

The utility model belongs to the technical field of casting equipment, specifically disclose a pipe die plugging device for centrifugal casting, it includes pipe die and closing disc mechanism, be provided with the step face with closing disc mechanism matched with on the medial surface of pipe die, closing disc mechanism includes the closing disc body with the step face matched with of pipe die inside wall, through the detachable connection of automatic locking mechanism between closing disc body and the pipe die, the left end of closing disc mechanism is connected with the mechanism of getting the set, the mechanism of getting the set includes the casing and fixes the closing disc guiding mechanism in the casing, be provided with the automatic reset mechanism of closing disc in the closing disc guiding mechanism, the sliding connection about between the medial surface of closing disc mechanism and closing disc guiding mechanism, get set mechanism and connect through quick locking mechanism detachable between the closing disc mechanism; the utility model has the advantages of reasonable design, the leakproofness between mechanism and the pipe die of closing up the dish is good, the quick convenience of dismantlement installation of mechanism of closing up the dish.

Description

Pipe die plugging device for centrifugal casting

Technical Field

The utility model belongs to the technical field of the casting equipment, concretely relates to pipe die plugging device for centrifugal casting.

Background

In order to prevent molten metal in a pipe mould from flowing out, after the material is injected, a blocking disc mechanism needs to be firmly hammered at the end of the pipe mould so as to block the end of the pipe mould, and after casting is completed, the blocking disc mechanism is manually pried down by workers; although the prior art also discloses related devices or apparatus for installing and removing the plugging mechanism at the die tube port, such as: under application No. 202121206945.0, patent name: the utility model discloses a pipe die plugging device is disclosed in the utility model patent of a pipe die for centrifugal casting, it will block up the disk chucking inside the pipe die through the friction between hook and the pipe die inner wall, articulated position department between hook and the claw hook fixed body is connected with the torsional spring, the outside horizontal slip of hook is provided with spacing choma, remove through spacing choma and remove and can realize tightening up and releasing the hook, the hook that loses spacing choma restriction is automatic outside to the lateral rotation under the effect of torsional spring with the chucking on the pipe die inner wall, to the device, it has following defect: firstly, the left and right movement of a limiting ring for locking a claw needs to depend on a driving mechanism B, wherein the driving mechanism B comprises a shifting fork, a shifting rod and a cylinder, and the structure is complex and the operation is complex; secondly, the rotary reset of the hook claw mainly depends on the action of a torsion spring, and the movable reset mainly depends on the thrust action of a spring at the left end, so that the hook claw is easy to unhook when the conditions such as vibration occur, and the stability and the sealing property of the connection between the disc plugging mechanism and the pipe die are influenced; therefore, the pipe die plugging device for centrifugal casting is simple and reasonable in structural design, convenient and quick to operate, and good in connection stability between the plugging disc mechanism and the pipe die.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a centrifugal casting uses pipe die plugging device that structural design is reasonable, convenient operation is quick, connection stability between stifled dish mechanism and the pipe die is good.

The purpose of the utility model is realized like this: the utility model provides a pipe die plugging device for centrifugal casting, it includes pipe die and closing disc mechanism, be provided with on the medial surface of pipe die with closing disc mechanism matched with step face, closing disc mechanism include with the step face matched with closing disc body of pipe die inside wall, be connected through automatic locking mechanism detachable between closing disc body and the pipe die, the left end of closing disc mechanism is connected with gets a set mechanism, it includes the casing and fixes the closing disc guiding mechanism in the casing to get a set mechanism, be provided with closing disc automatic re-setting mechanism in the closing disc guiding mechanism, sliding connection about between closing disc mechanism and the medial surface of closing disc guiding mechanism, get and be connected through quick locking mechanism detachable between set mechanism and the closing disc mechanism.

Further, automatic locking mechanism includes the installation guiding axle of the T font of fixed connection on stifled dish body left end face, installation guiding axle right-hand member is connected with the jack catch through horizontal support frame, swivelling joint between jack catch and the horizontal support frame, the position department that the right-hand member of jack catch is close to the outside is connected with hook A, hook A hooks in the draw-in groove of pipe die medial surface, the left end of jack catch leans out from the right side to the left side, be connected with jack catch automatic re-setting mechanism on the jack catch, jack catch automatic re-setting mechanism can make under the effect of not having the external force, and hook A can automatic chucking in the draw-in groove of pipe die medial surface, and is quick to stifled dish mechanism and pipe die locking fixed.

Further, jack catch automatic re-setting mechanism is including setting up spacing ring A and the spacing ring B that is close to the position department of left end and right-hand member on the installation guiding axle, spacing ring B and installation guiding axle horizontal sliding connection, be provided with compression spring between spacing ring A and the spacing ring B, spacing ring B joint is in the left side of hook B, hook B fixed connection is close to inboard position department at the right-hand member of jack catch, and compression spring promotes hook B, simultaneously hook A's left side terminal surface and the left side terminal surface in the draw-in groove contacts through spacing ring B right to prevent that the jack catch from taking place to rotate at stifled dish mechanism and pipe die fixed connection's in-process jack catch.

Furthermore, the limiting ring A and the installation guide shaft are connected in a detachable mode, so that the compression spring can be conveniently detached and installed.

Further, central point department of putting of stifled dish mechanism is provided with the air vent that the diameter is less than the pipe die internal diameter, at the rotatory in-process of stifled dish mechanism along with the pipe die, can cool off the metal liquid in the pipe die through the air vent.

Further, be provided with the connecting hole that is linked together with the air vent on the stifled dish automatic re-setting mechanism, can link to each other with the mechanism that send cold air through the connecting hole to carry out quick cooling to the metal liquid in the cast before opening the pipe die.

Further, stifled dish automatic re-setting mechanism is including connecting the reset spring on the left side terminal surface in stifled dish guiding mechanism, reset spring's right-hand member is connected with the removal guide block, sliding connection about between removal guide block and stifled dish guiding mechanism's the medial surface removes the locking back to stifled dish mechanism, and reset spring can compress tightly stifled dish mechanism on the step face of pipe die medial surface through removing the guide block.

Furthermore, quick locking mechanism is including setting up the spacing hole on casing and stifled dish guiding mechanism's lateral wall, the gliding spacing axle that is provided with around spacing downthehole, the outer end of spacing axle is connected with actuating mechanism, the position department corresponding with spacing hole on the installation guiding axle lateral wall is provided with spacing draw-in groove, can drive spacing axle along spacing hole back-and-forth movement through actuating mechanism, when spacing axle the inner is located spacing draw-in groove, can lock stifled dish mechanism fast through the cooperation between spacing axle the inner and the spacing draw-in groove to take out stifled dish mechanism from the pipe die, when spacing axle the inner roll-off from spacing draw-in groove, stifled dish mechanism can slide for stifled dish guiding mechanism's medial surface.

Furthermore, the driving mechanism comprises a supporting rod connected to the outer end of the limiting shaft, the position, close to the center, of the supporting rod is hinged to the outer side face of the shell, one end, far away from the limiting shaft, of the supporting rod is hinged to a piston rod of the cylinder, the supporting rod can be driven to rotate around a hinged point between the supporting rod and the shell through the telescopic action of the cylinder, and then the limiting shaft is driven to move back and forth along the limiting hole.

Furthermore, the left side of the movable guide block on the inner side surface of the blocking disc guide mechanism is provided with a limiting block, so that when the blocking disc locking mechanism is locked, the limiting hole and the limiting clamping groove are rapidly positioned.

The utility model has the advantages that:

1. the utility model discloses the left end of well stifled dish mechanism is connected with gets a set mechanism, gets to connect through quick locking mechanism detachable between a set mechanism and the stifled dish mechanism, gets to be provided with stifled dish automatic re-setting mechanism in the dish mechanism, after unblock quick locking mechanism, in the process that gets a set mechanism and move left for stifled dish mechanism, can lean on stifled dish mechanism in the pipe mould through stifled dish automatic re-setting mechanism, then fix stifled dish body and pipe die through automatic locking mechanism to carry out quick locking to stifled dish body and pipe die, the utility model discloses the sending into and taking out of stifled dish mechanism, the fixed dismantlement between stifled dish body and the pipe die all need not manual operation, labour saving and time saving and convenient operation, improve the work efficiency of stifled dish body dismantlement, installation greatly;

2. in the utility model, the jack catch is connected with the jack catch automatic reset mechanism, the jack catch automatic reset mechanism can automatically clamp the hook claw A in the clamping groove of the inner side surface of the pipe die without the action of external force, the stability of connection between the disc blocking mechanism and the pipe die can be ensured through the jack catch automatic reset mechanism, the hook claw A is prevented from falling off from the inner wall of the pipe die due to accidents, and the good sealing property between the disc blocking mechanism and the pipe die is ensured;

3. when the blocking disc mechanism is taken out, the disc taking mechanism gradually moves rightwards, the end surface on the right side of the disc taking mechanism pushes the left end of the clamping jaw to gradually rotate upwards around the hinged shaft of the clamping jaw, so that the locking effect of the claw A on a pipe die can be automatically relieved, at the moment, the blocking disc mechanism can be taken out from the pipe die, the claw A does not need other special locking mechanisms to tighten the blocking disc mechanism in the process, and the operation is more convenient and rapid;

4. the utility model discloses carry out detachable through automatic locking mechanism between well closing plate body and the pipe die and be connected, its locking is effectual, the connection stability between closing plate body and the pipe die is good, and convenient operation is quick.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic sectional view of a main view structure of a pipe die plugging device for centrifugal casting in a state of plugging a pipe die;

fig. 2 is a schematic sectional view of a front view structure of a pipe die plugging device for centrifugal casting according to the present invention when opening the pipe die;

fig. 3 is a schematic sectional view of a top view of the pipe die plugging device for centrifugal casting according to the present invention when the pipe die is opened;

fig. 4 is the structure schematic diagram of the plugging mechanism in the pipe die plugging device for centrifugal casting of the utility model.

In the figure: 1. the pipe die comprises a pipe die 2, a step surface 3, a blocking disc body 4, a shell 5, a blocking disc guide mechanism 6, an installation guide shaft 7, a horizontal support frame 8, a clamping jaw 9, a claw A10, a clamping groove 11, a limiting ring A12, a limiting ring B13, a compression spring 14, a claw B15, an air vent 16, a movable guide block 17, a reset spring 18, a connecting hole 19, a limiting hole 20, a limiting clamping groove 21, a limiting block 22, a limiting shaft 23, an air cylinder 24, a support rod 25, a clamping spring 26, a guide groove 27, a limiting groove 28 and a base.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

The utility model provides a pipe die plugging device for centrifugal casting, it is connected through getting dismantling between dish mechanism and the blocking disc mechanism, can realize sending into and taking out of blocking disc body in the pipe die to be connected dismantling between dish mechanism and the pipe die, and the installation of blocking disc body all need not manual completion with the dismantlement, labour saving and time saving and convenient operation.

The utility model discloses an in one of the embodiments, as shown in fig. 1-3, a pipe die plugging device for centrifugal casting, it includes pipe die 1 and closing disc mechanism, be provided with on the medial surface of pipe die 1 with closing disc mechanism matched with step face 2, closing disc mechanism includes with step face 2 matched with closing disc body 3 of pipe die 1 inside wall, be connected through automatic locking mechanism detachable between closing disc body 3 and the pipe die 1, the left end of closing disc mechanism is connected with gets a set mechanism, it includes casing 4 and fixes closing disc guiding mechanism 5 in casing 4 to get a set mechanism, be provided with closing disc automatic re-setting mechanism in the closing disc guiding mechanism 5, sliding connection about between the medial surface of closing disc mechanism and closing disc guiding mechanism 5, it is connected through quick locking mechanism detachable between a set mechanism and the closing disc mechanism to get.

The utility model discloses when using, will get the setting of a set mechanism horizontal slip on the upper surface of base 28 to the left end connection that gets a set mechanism drives actuating cylinder.

When the pipe die is plugged: firstly, driving a disc taking mechanism to move rightwards along the upper surface of a base 28 by a driving cylinder until the disc blocking mechanism is fed into a pipe die 1 and a disc blocking body 3 abuts against a step surface 2 on the inner side surface of the pipe die 1, then unlocking a quick locking mechanism between the disc taking mechanism and the disc blocking mechanism, driving the disc taking mechanism to move leftwards along the upper surface of the base 28 relative to the disc blocking mechanism by the driving cylinder, and meanwhile, fixing the disc blocking body 3 and the pipe die 1 by an automatic locking mechanism to realize the blocking of the pipe die 1;

when the pipe die is opened: firstly, the driving cylinder drives the disc taking mechanism to move rightwards along the upper surface of the base 28, the automatic locking mechanism between the disc plugging body 3 and the pipe die 1 is unlocked, then the disc taking mechanism and the disc plugging mechanism are quickly fixed through the quick locking mechanism, and finally the driving cylinder drives the disc taking mechanism and the disc plugging mechanism to move leftwards along the upper surface of the base 28, so that the pipe die is opened.

The utility model discloses an in one of them embodiment, as shown in fig. 1-4, automatic locking mechanism includes the installation guiding axle 6 of the T font of fixed connection on the left end face of stifled dish body 3, the right-hand member of installation guiding axle 6 is connected with jack catch 8 through horizontal support frame 7, swivelling joint between jack catch 8 and the horizontal support frame 7, the position department that the right-hand member of jack catch 8 is close to the outside is connected with hook A9, hook A9 hooks in the draw-in groove 10 of pipe die 1 medial surface, the left end of jack catch 8 leans out from the right side to the left side, be connected with jack catch automatic re-setting mechanism on jack catch 8, jack catch automatic re-setting mechanism can be so that under the effect of no external force, hook A9 can automatic chucking in the draw-in groove 10 of pipe die 1 medial surface, and quick locking is fixed stifled dish mechanism and pipe die 1, when taking out stifled dish body 3, through the impetus of taking out dish mechanism to jack catch 8, can make hook A9 rotate around its pin joint together along with jack catch 8 to unblock hook A9 to the locking effect of draw-in groove 10, this moment only need carry out pipe die mechanism and take out pipe die from the mechanism with the mechanism on the stifled dish from the jack catch 8.

In one embodiment of the present invention, as shown in fig. 1 to 3, the plugging plate body 3 is detachably connected to the installation guide shaft 6, so as to facilitate the detachment and replacement of the plugging plate body.

In one embodiment of the present invention, as shown in fig. 1-4, the automatic jaw resetting mechanism includes a limiting ring a11 and a limiting ring B12 disposed at positions close to the left end and the right end on the installation guide shaft 6, the limiting ring B12 is connected to the installation guide shaft 6 in a sliding manner, a compression spring 13 is disposed between the limiting ring a11 and the limiting ring B12, the limiting ring B12 is connected to the left side of the jaw B14 in a clamping manner, the jaw B14 is fixedly connected to a position close to the inner side at the right end of the jaw 8, when the pipe die 1 is plugged, the compression spring 13 pushes the jaw B14 rightwards through the limiting ring B12, and simultaneously the left end face of the jaw A9 contacts with the left end face in the clamping groove 10, so as to prevent the jaw 8 from rotating in the process of fixedly connecting the plugging disc mechanism and the pipe die 1; when the pipe die is opened, the disk taking mechanism gradually moves rightwards, the end face on the right side of the disk taking mechanism pushes the left end of the clamping jaw 8 to gradually rotate upwards around the hinged shaft of the clamping jaw, in the process, the hook jaw B14 drives the limiting ring B12 to move leftwards along the axis direction of the installation guide shaft 6, the hook jaw A9 gradually unlocks the locking effect of the locking jaw on the pipe die 1, and at the moment, the disk blocking mechanism can be taken out of the pipe die 1.

In one embodiment of the present invention, the spacing ring a11 is detachably connected to the installation guide shaft 6, so as to facilitate the detachment and installation of the compression spring 13.

The utility model discloses an in one of them embodiment, as shown in FIG. 4, be provided with spacing groove 27 on the lateral surface of shown installation guiding axle 6, be provided with jump ring 25 in the spacing groove 27, jump ring 25 highly is greater than the degree of depth of spacing groove 27, jump ring 25's lateral surface and the 26 side-to-side sliding connection of guide way of spacing ring A11 medial surface, when needing to take off compaction spring 13, promote spacing ring A11 along the axis direction of installation guiding axle 6 right, then take off jump ring 25 from installation guiding axle 6, remove the injecture back of jump ring 25 to spacing ring A11, take off spacing ring A11 and compression spring from installation guiding axle 6 in proper order, dismantle installation convenient operation.

In one embodiment of the present invention, as shown in fig. 1-3, the central position of the blocking disc mechanism is provided with an air vent 15 whose diameter is smaller than the inner diameter of the pipe die, in the process that the blocking disc mechanism rotates along with the pipe die 1, the metal liquid in the pipe die can be cooled through the air vent, and the diameter of the air vent 15 needs to satisfy that the metal liquid of the pipe die 1 cannot flow out from the air vent 15 when the pipe die 1 rotates.

In one embodiment of the present invention, as shown in fig. 1-3, the automatic resetting mechanism of the plugging disc is provided with a connecting hole 18 communicated with the vent hole 15, and the automatic resetting mechanism of the plugging disc can be connected with a mechanism for sending cold air through the connecting hole 18, so as to rapidly cool the metal liquid in the pipe die 1 before the pipe die 1 is opened.

In one of the embodiments of the present invention, as shown in fig. 1-3, the automatic resetting mechanism of the plugging disc includes a return spring 17 connected to the left end face in the plugging disc guiding mechanism 5, the right end of the return spring 17 is connected to a movable guiding block 16, a sliding connection between the movable guiding block 16 and the inner side face of the plugging disc guiding mechanism 5 is performed, after the locking of the plugging disc mechanism by the disc taking mechanism is released, the return spring 17 can compress the plugging disc mechanism on the step surface 1 of the inner side face of the pipe die 1 through the movable guiding block 16, so that the automatic locking mechanism can fix the pipe die 1 and the plugging disc mechanism.

In one of the embodiments of the present invention, as shown in fig. 1-3, the quick locking mechanism includes a limiting hole 19 disposed on the side wall of the housing 4 and the plug tray guide mechanism 5, a front-back sliding limiting shaft 22 is disposed in the limiting hole 19, the outer end of the limiting shaft 22 is connected to the driving mechanism, a position corresponding to the limiting hole 19 on the side wall of the installation guide shaft 6 is provided with a limiting slot 11, when the limiting slot 11 corresponds to the limiting hole 19, the driving mechanism drives the limiting shaft 22 to move toward the limiting slot 11 along the limiting hole 19, and the plug tray mechanism can be quickly locked by matching between the inner end of the limiting shaft 22 and the limiting slot 11, so as to take out the plug tray mechanism from the pipe mold 1, and when the inner end of the limiting shaft 22 slides out from the limiting slot 11, the plug tray mechanism can slide relative to the inner side surface of the plug tray guide mechanism, so as to leave the plug tray mechanism in the pipe mold 1.

In one of the embodiments of the present invention, as shown in fig. 1-3, the driving mechanism includes a supporting rod 24 connected to the outer end of the limiting shaft 22, the position near the center on the supporting rod 24 is hinged to the outer side surface of the housing 4, the end of the supporting rod 24 away from the limiting shaft 22 is hinged to the piston rod of the cylinder 23, and the telescopic action of the cylinder 23 can drive the supporting rod 24 to rotate around the hinge point between the supporting rod and the housing 4, so as to drive the limiting shaft 22 to move back and forth along the limiting hole 19.

In one of the embodiments of the present invention, as shown in fig. 1-3, the left side of the movable guide block 16 on the inner side of the blocking plate guide mechanism is provided with a limiting block 21, so that when the blocking plate mechanism is locked, the limiting hole 19 and the limiting slot 11 are rapidly positioned.

The utility model discloses when using, will get the setting of a set mechanism horizontal slip on the upper surface of base 28 to the left end connection that gets a set mechanism drives actuating cylinder.

When the pipe die is plugged:

firstly, driving a disc taking mechanism to move rightwards along the upper surface of a base 28 by a driving cylinder until the disc blocking mechanism is sent into a pipe die 1 and a disc blocking body 3 abuts against a step surface 2 on the inner side surface of the pipe die 1;

then, the air cylinder 23 retracts the piston rod of the air cylinder, so that the limiting rod 22 moves towards the outer direction of the shell along the limiting hole 19, and the fixed connection between the disc taking mechanism and the disc blocking mechanism is unlocked;

finally, drive by driving actuating cylinder and get a set mechanism and move to the left along the upper surface of base 28, in this process, can make stifled dish body 3 ejecting all the time on pipe die 1's step face 2 through reset spring 17, it makes its holding power to the left end of jack catch 8 reduce gradually to get a set mechanism and move left, spacing ring B12 promotes jack catch 8 under compression spring 13 and rotates around its articulated shaft with horizontal support frame 7, hook A9 on the jack catch 8 hooks on the left side terminal surface in the jack catch 10, stifled dish mechanism can rotate together with pipe die 1 this moment, can realize the shutoff to the pipe die through stifled dish body 3.

When the pipe die is opened:

firstly, the disc taking mechanism is driven to move rightwards along the upper surface of the base 28 by a driving cylinder, in the process, the right end face of the disc taking mechanism gradually applies pressure to the left end of a clamping jaw 8 to enable the clamping jaw to overcome the acting force of a compression spring 13 and rotate upwards around a hinged shaft on a horizontal support frame 7, the locking effect of a claw hook A9 on a clamping groove 10 on a pipe die 1 is gradually unlocked, meanwhile, an installation guide shaft 6 overcomes the acting force of a reset spring 17 to push a moving guide block 16 to move leftwards along the inner side face of a disc blocking guide mechanism 5 until the moving guide block 16 moves to the position of a limiting block 21, a limiting clamping groove 20 on a limiting ring A11 just corresponds to limiting holes 19 on a shell 4 and the disc blocking guide mechanism 5, at the moment, a piston rod of the limiting guide shaft extends out by a cylinder 23, so that the inner end of the limiting shaft 22 extends into the limiting clamping groove 20 to lock the disc blocking mechanism and the disc taking mechanism, and the blocking mechanism is prevented from moving leftwards relative to the disc taking mechanism;

then, the disc taking mechanism and the disc blocking mechanism are driven by the driving cylinder to move leftwards along the upper surface of the base 28, and the disc blocking mechanism is taken out of the pipe die 1.

The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without creative efforts by those skilled in the art are all included in the protection scope of the invention based on the explanations herein.

Claims (10)

1. The utility model provides a pipe die plugging device for centrifugal casting, it includes pipe die and stifled dish mechanism, its characterized in that: be provided with on the medial surface of pipe die with stifled dish mechanism matched with step face, stifled dish mechanism include with the step face matched with stifled dish body of pipe die inside wall, be connected through automatic locking mechanism detachable between stifled dish body and the pipe die, the left end of stifled dish mechanism is connected with gets a set mechanism, it includes the casing and fixes stifled dish guiding mechanism in the casing to get a set mechanism, be provided with stifled dish automatic re-setting mechanism in the stifled dish guiding mechanism, sliding connection about between the medial surface of stifled dish mechanism and stifled dish guiding mechanism, get to be connected through quick locking mechanism detachable between dish mechanism and the stifled dish mechanism.

2. The tube mold plugging device for centrifugal casting according to claim 1, wherein: automatic locking mechanism includes the installation guiding axle of the T font of fixed connection on stifled dish body left end face, installation guiding axle right-hand member is connected with the jack catch through horizontal support frame, swivelling joint between jack catch and the horizontal support frame, the position department that the right-hand member of jack catch is close to the outside is connected with hook A, hook A hooks in the draw-in groove of pipe die medial surface, the left end of jack catch leans out from the right side left side, be connected with jack catch automatic re-setting mechanism on the jack catch.

3. The tube mold plugging device for centrifugal casting according to claim 2, wherein: jack catch automatic re-setting mechanism is including setting up spacing ring A and the spacing ring B that is close to the position department of left end and right-hand member on the installation guiding axle, spacing ring B and installation guiding axle horizontal sliding connection, be provided with compression spring between spacing ring A and the spacing ring B, spacing ring B joint is in the left side of hook B, hook B fixed connection is close to inboard position department at the right-hand member of jack catch.

4. The tube mold plugging device for centrifugal casting according to claim 3, wherein: the limiting ring A is connected with the installation guide shaft in a detachable mode.

5. The tube mold plugging device for centrifugal casting according to claim 2, wherein: and a vent hole with the diameter smaller than the inner diameter of the pipe die is arranged at the central position of the blocking disc mechanism.

6. The tube mold plugging device for centrifugal casting according to claim 5, wherein: and a connecting hole communicated with the vent hole is formed in the automatic blocking disc resetting mechanism.

7. The pipe die plugging device for centrifugal casting according to claim 1, wherein: the automatic resetting mechanism of the blocking disc comprises a reset spring connected to the end face of the left side in the blocking disc guide mechanism, the right end of the reset spring is connected with a movable guide block, and the movable guide block is connected with the inner side face of the blocking disc guide mechanism in a sliding mode.

8. The tube mold plugging device for centrifugal casting according to claim 2, wherein: the quick locking mechanism comprises a limiting hole formed in the side wall of the shell and the side wall of the plug disc guide mechanism, a limiting shaft is arranged in the limiting hole in a front-back sliding mode, the outer end of the limiting shaft is connected with a driving mechanism, and a limiting clamping groove is formed in the position, corresponding to the limiting hole, of the side wall of the installation guide shaft.

9. The tube mold plugging device for centrifugal casting according to claim 8, wherein: the driving mechanism comprises a supporting rod connected to the outer end of the limiting shaft, the position, close to the center, of the supporting rod is hinged to the outer side face of the shell, and one end, far away from the limiting shaft, of the supporting rod is hinged to a piston rod of the air cylinder.

10. The pipe die plugging device for centrifugal casting according to claim 1, wherein: and a limiting block is arranged on the left side of the movable guide block on the inner side surface of the blocking disc guide mechanism.

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