CN114678235A - Pouring mold for solid-sealed polar pole - Google Patents
Pouring mold for solid-sealed polar pole Download PDFInfo
- Publication number
- CN114678235A CN114678235A CN202210161574.1A CN202210161574A CN114678235A CN 114678235 A CN114678235 A CN 114678235A CN 202210161574 A CN202210161574 A CN 202210161574A CN 114678235 A CN114678235 A CN 114678235A
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- positioning pin
- mold
- wedge block
- hole
- pouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
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- Manufacturing & Machinery (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to the technical field of electrical manufacturing and power equipment, in particular to a pouring mold for a solid-sealed polar pole. The solid-sealed polar pole pouring mold comprises a mold body for forming a cavity in an involutive mode, a containing hole for embedding a pouring insert on the solid-sealed polar pole is formed in the mold body, a positioning pin hole is formed in the hole bottom of the containing hole and penetrates through the mold body outwards, a connecting structure is arranged at the inner end of the positioning pin, and a pin head used for extending out of the outer end of the positioning pin hole is arranged at the outer end of the positioning pin; the insert auxiliary adjusting device comprises a wedge block, a pushing inclined plane is arranged at the front end of the wedge block, a flat supporting surface is arranged on one side of the wedge block, which is opposite to the pushing inclined plane, and two inserting arms arranged at intervals on the wedge block form a U-shaped opening used for being clamped on the positioning pin; the die body is provided with a plug hole which is vertical to and communicated with the positioning pin hole, and the plug hole is provided with a supporting wall; the axial inner side of the pin head is provided with a die-loading pushing surface, and the positioning pin is also provided with a die-releasing pushing surface facing the axial outer side of the positioning pin.
Description
Technical Field
The invention relates to the technical field of electrical manufacturing and power equipment, in particular to a pouring mold for a solid-sealed polar pole.
Background
The solid-sealed polar pole is the most important electrical component in the high-voltage circuit breaker, and the solid-sealed polar pole is formed by simultaneously embedding conductive parts related to a vacuum arc-extinguishing chamber and the circuit breaker into easily-fixed solidified insulating materials such as epoxy resin or thermoplastic materials, so that the whole circuit breaker polar pole becomes an integral component. For example, in the assembly tool for single-pole assembling of the embedded pole and the pouring method for the embedded pole disclosed in chinese patent publication No. CN106024460B, when in use, the assembled upper and lower wire outlet seats and the vacuum arc extinguishing chamber need to be installed in a mold and poured.
Solid utmost point post casting mold who seals among the prior art includes four die bodies about from top to bottom, four die bodies are to closing to form the corresponding die cavity that seals utmost point post admittedly, be equipped with on the die body and supply the pouring inserts to inlay the hole of dress, the pouring inserts is the last seat of being qualified for the next round of competitions that seals utmost point post admittedly, lower seat of being qualified for the next round of competitions and vacuum interrupter, need pack the pouring inserts into the die cavity or install the pouring inserts in the die cavity of reloading on the inserts mount pad when producing solid utmost point post that seals, the installation is in place after solidification insulating material such as casting epoxy or thermoplastic material, if each spare part can not install the precision that will influence solid utmost point post that seals in place, can lead to the product to scrap even.
In the traditional die filling method, a tool is used for knocking a die fitting or a pouring insert to be installed in place, and then the tool is used for measurement, so that the die fitting or the pouring insert can be damaged, and the die filling efficiency is low; in the conventional mold opening method, a tool or the like is used to knock a mold part or directly apply a force to a product, which may cause damage to the mold part or the product.
Disclosure of Invention
The invention aims to provide a pouring mold for an embedded pole, which aims to solve the technical problem that in the prior art, when a mold is filled or opened, a tool is used for knocking a mold accessory or a product, so that the mold accessory or the product can be damaged.
In order to achieve the purpose, the technical scheme of the pouring mold for the solid-sealed polar pole is as follows:
the solid-sealed polar pole pouring mold comprises a mold body for forming a cavity in an involutive mode, wherein the mold body is provided with a containing hole for embedding a pouring insert on a solid-sealed polar pole, the bottom of the containing hole is provided with a positioning pin hole for inserting an adaptive positioning pin, the positioning pin hole penetrates through the mold body outwards, the inner end of the positioning pin is provided with a connecting structure for connecting with the pouring insert or an insert mounting seat for mounting the pouring insert, and the outer end of the positioning pin is provided with a pin head for extending out of the outer end of the positioning pin hole; the pouring mold for the solid-sealed polar pole further comprises an insert auxiliary adjusting device, the insert auxiliary adjusting device comprises a wedge block, a pushing inclined plane is arranged at the front end of the wedge block, a flat supporting surface is arranged on one side of the wedge block, which is opposite to the pushing inclined plane, two inserting arms which are arranged at intervals are arranged on the part of the wedge block, which is provided with the pushing inclined plane, and a U-shaped opening used for being clamped on a positioning pin is formed between the two inserting arms; the die body is provided with a plug hole which is vertical to and communicated with the positioning pin hole, and the plug hole is provided with a supporting wall for supporting a flat supporting surface on the wedge block; the axial inner side of the pin head is provided with a die-filling pushing surface, and the die-filling pushing surface is used for driving the positioning pin to move towards the outside of the cavity under the pushing of the pushing inclined surface in the process that the wedge block moves towards the positioning pin in a mode that the pushing inclined surface faces the outside of the cavity; and a demolding pushing surface facing to the axial outer side of the positioning pin is further arranged on the positioning pin and used for driving the positioning pin to move towards the cavity under the pushing of the pushing inclined surface in the process that the wedge block moves towards the positioning pin in a mode that the pushing inclined surface faces back to the outer side of the cavity.
The beneficial effects are that: in the die filling of the pouring die for the solid-sealed polar pole, a positioning pin in an insert auxiliary adjusting device is connected and fixed with the bottom of a wire outlet seat, after a wedge block is inserted into an insertion hole of a die body in a mode that a pushing inclined plane faces the outer side of a cavity, a U-shaped opening formed by two insertion arms arranged at intervals at the front end of the wedge block is in clamping fit with the positioning pin, the pushing inclined plane of the wedge block moving along the radial direction of the positioning pin pushes a die filling pushing surface of a pin head, so that the positioning pin drives a pouring insert or an insert mounting seat to move in a direction far away from the cavity, and the pouring insert of the solid-sealed polar pole is ensured to be in place in the die filling; after the wedge block is inserted into the inserting hole of the die body in a mode that the pushing inclined surface faces back to the outer side of the die cavity, the pushing inclined surface of the wedge block moving along the radial direction of the positioning pin pushes the demolding pushing surface of the pin head, so that the positioning pin drives the pouring insert or the insert mounting seat to move towards the direction close to the die cavity, looseness is generated between the pouring insert and the die body, and demolding of product parts is facilitated. Like this, through the voussoir to the distance of locating pin transmission power in order to change pouring inserts and die cavity, avoid the effort directly to apply on mould accessory or pouring inserts, reduce the damage of mould accessory or pouring inserts, improve product quality.
The improved structure of the auxiliary adjusting device for the insert is characterized in that a guide rod is fixed at the rear end of the wedge block, a collision block is assembled on the guide rod in a guiding mode along the opening direction of the U-shaped opening, the auxiliary adjusting device for the insert further comprises a front collision surface arranged on the connecting portion of the guide rod and the wedge block, and the front collision surface is used for collision of the collision block to drive the wedge block to move towards the positioning pin.
The beneficial effects are that: by the design, the wedge block can be impacted by the impact block to realize the movement of the wedge block, the force application is convenient, and the auxiliary knocking tools are saved; the guide rod guides the collision block, so that the force application direction of the collision block to collide the wedge block is controlled conveniently.
The improved structure is characterized in that a bearing seat is fixed at one end of the guide rod, which is back to the wedge block, and a rear impact surface for the impact of the impact block to drive the wedge block to move back to the positioning pin is formed at the rear end of the guide rod by the bearing seat.
The beneficial effects are that: by the design, the wedge block can be conveniently taken out of the die body by impacting the impact block to impact the bearing seat backwards so as to enable the wedge block to move backwards.
The improved structure is characterized in that a threaded hole is formed in the rear end face of the guide rod, and the bearing seat is fixedly connected to the rear end of the guide rod through a bolt.
The beneficial effects are that: by the design, the force bearing seat can be assembled and disassembled from the rear end of the guide rod after being disassembled from the guide rod, so that the impact block can be assembled and disassembled conveniently.
The further improvement is that the die-loading pushing surface and the die-releasing pushing surface are both obliquely arranged relative to a plane perpendicular to the positioning pin, and the pushing inclined planes on the wedge blocks are obliquely arranged in the corresponding direction to be matched with the corresponding die-loading pushing surface and the corresponding die-releasing pushing surface.
The beneficial effects are that: the design increases the contact area of the pushing inclined plane, the die loading pushing surface and the die stripping pushing surface, so that the wedge block can conveniently transfer acting force to the positioning pin to drive the positioning pin and the pouring insert or the insert mounting seat to move, and abrasion is reduced.
In a further improvement, the diameters of the middle part and the two ends of the collision block are different in the guide moving direction of the collision block.
The beneficial effects are that: by the design, the part with the larger diameter can form a stop for the hand holding the part with the smaller diameter, so that the striking block is not easy to slip off from the striking block when being held.
Further improved, two ends of the collision block along the axial direction of the guide rod are provided with stopping shaft shoulders, and a holding part with a smaller diameter is formed between the two stopping shaft shoulders.
The beneficial effects are that: the design is that the shaft shoulders for stopping the two ends limit the two sides of the hand of an operator holding the holding part, so that the hand and the holding part are prevented from sliding.
The improved structure is characterized in that the positioning pin comprises a circular truncated cone section and a positioning matching section, the positioning matching section is a cylindrical section matched with the positioning pin hole, and the large-diameter end of the circular truncated cone section is connected with the outer end of the cylindrical section.
The beneficial effects are that: the design is favorable for realizing coaxiality of the positioning pin and the positioning pin hole, reduces the processing precision of the positioning pin, and is favorable for reducing the friction force between the positioning pin and the positioning pin hole so as to facilitate the disassembly and assembly of the positioning pin.
In a further development, the wedge has a thinned portion having a smaller thickness than the other portions, and the insertion arm is provided on the thinned portion.
The beneficial effects are that: the design vacates the activity space for the round pin nailhead of locating pin, avoids the voussoir to interfere with the round pin nailhead of locating pin.
In a further improvement, the inserting hole is a guide hole for guiding and inserting the wedge block and is used for guiding and matching with a flat supporting surface on the wedge block and one side back to the flat supporting surface.
The beneficial effects are that: the design is that the guide hole is matched with two side surfaces of the wedge block in a guide way, which are vertical to the moving direction of the wedge block, so that the situation that the U-shaped opening of the wedge block cannot be accurately clamped on the locating pin due to the deviation of the wedge block in the direction vertical to the moving direction of the wedge block is avoided, and the reliability is good.
Drawings
FIG. 1 is a schematic structural view of a casting mold for a solid-sealed pole of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of a locating pin of the insert-assisted adjustment apparatus of FIG. 1;
FIG. 4 is a schematic view of the structure of embodiment 1 of the insert-assisted adjustment device (positioning pins not shown) of FIG. 1;
FIG. 5 is a view showing a state in which embodiment 2 of the insert auxiliary adjusting device in FIG. 1 is used for die-filling;
FIG. 6 is a first state of use of embodiment 2 of the insert-assisted adjustment apparatus of FIG. 1 in demolding;
fig. 7 is a second state of use of embodiment 2 of the insert-assisted adjustment device of fig. 1 for demolding.
In the figure: 11. molding a mold body; 12. a wedge block; 13. a guide bar; 14. bumping the block; 15. a grip portion; 16. stopping the shaft shoulder; 17. a force bearing seat; 18. positioning pins; 19. a pin head; 20. thinning the part; 21. a seal ring; 22. a wire outlet seat; 23. a side plate mold body; 24. pushing the inclined plane; 25. clamping the surface; 26. the bottom of the outer groove; 27. the bottom of the inner tank; 28. inserting holes; 29. a top surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …," or the like, does not exclude the inclusion of such elements as a process, method, or the like.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.
The present invention will be described in further detail with reference to examples.
Embodiment 1 of the pouring mold for the embedded pole of the present invention:
As shown in fig. 1 and fig. 2, the umbrella skirt of the solid utmost point post that seals in this embodiment distributes at the both ends of the solid utmost point post that seals, and extend along its circumferencial direction, for guaranteeing just normally open the compound die, need set up four die faces in the solid utmost point post casting mold that seals, the solid utmost point post casting mold that seals includes four shaping die bodies 11 all around, four shaping die bodies 11 are to closing the die cavity that forms solid utmost point post correspondence, the solid utmost point post casting mold still includes the supplementary adjusting device of inserts, the supplementary adjusting device of inserts is used for installing the pouring inserts in the solid utmost point post or the inserts mount pad that supplies the pouring inserts installation in the shaping die body 11 and targets in place or pull down from the shaping die body 11 smoothly. In this embodiment, the insert auxiliary adjusting device is used for dismounting the wire outlet seat 22 in the solid-sealed polar pole.
As shown in fig. 1 to fig. 3, the forming mold body 11 is provided with a receiving hole for the wire outlet seat 22 of the embedded pole, a positioning pin hole is provided at the bottom of the receiving hole, and the positioning pin hole extends outwards and penetrates through the side plate mold body 23. The auxiliary adjusting device for the insert comprises a positioning pin 18, the positioning pin 18 penetrates through the positioning pin hole, the positioning pin 18 comprises a positioning matching section and a circular table section, the positioning matching section is a cylindrical section matched with the positioning pin hole, the large-diameter end of the circular table section is connected with the outer end face of the cylindrical section, and a sealing ring 21 is installed on the outer peripheral face of the cylindrical section to guarantee the sealing state in the cavity. The inner end of the positioning pin 18 is provided with an external thread for connecting with a pouring insert or an insert mounting seat, and the external thread forms a connecting structure; the outer end of the positioning pin 18 is provided with a pin head 19 extending out of the outer end of the positioning pin hole; the pin head 19 has a smaller diameter than the cylindrical section so that the locating pin 18 can be installed or removed from the interior of the cavity.
As shown in fig. 2 and 3, a ring groove is formed on the outer peripheral surface of the portion of the positioning pin 18 extending out of the positioning pin hole, the ring groove is located on the axial inner side of the pin head 19, an outer groove bottom 26 on the ring groove along the axial outer side of the positioning pin 18 forms a mold-loading pushing surface, the outer groove bottom 26 is located on the axial inner side of the pin head 19 along the positioning pin 18, an inner groove bottom 27 on the ring groove along the axial inner side of the positioning pin 18 forms a mold-releasing pushing surface, a top surface 29 on the pin head 19 along the axial outer side of the positioning pin 18 also forms a mold-releasing pushing surface, the top surface 29, the outer groove bottom 26 and the inner groove bottom 27 are all arranged obliquely with respect to a plane perpendicular to the positioning pin 18, and the groove wall of the ring groove is arranged obliquely with respect to a plane parallel to the positioning pin 18. In other embodiments, the inner trough bottom, the outer trough bottom, and the top surface may be arranged as straight planes.
As shown in fig. 3 and 4, the insert auxiliary adjusting device further includes a wedge 12, a pushing inclined surface 24 is provided at the front end of the wedge 12, two insertion arms are provided at a portion of the wedge 12 on which the pushing inclined surface 24 is provided, a U-shaped opening for being clamped on the ring groove of the positioning pin 18 is formed between the two insertion arms, the front end of the U-shaped opening is an opening, clamping surfaces 25 for being clamped with the ring groove of the positioning pin 18 are formed on inner walls of two sides of the U-shaped opening, and the opening width of the U-shaped opening is smaller than the diameter of the pin head 19, so as to ensure that the pin head 19 cannot fall off from the U-shaped opening when the pin head 19 is clamped in the U-shaped opening. In this embodiment, the fastening surface 25 is an inclined surface adapted to the groove wall of the ring groove, so as to increase the contact area between the fastening surface 25 and the ring groove and reduce wear. In other embodiments, the clamping surface 25 may be a straight plane.
As shown in fig. 1 and 4, the casting mold for the fixed pole further includes a side plate mold body 23 disposed perpendicular to the parting surface of the front and rear molding mold bodies 11, an insertion hole 28 for inserting the wedge 12 is formed in a side wall surface of the side plate mold body 23, and the insertion hole 28 is communicated with the positioning pin hole. A flat supporting surface is arranged on one side of the wedge block 12 opposite to the pushing inclined surface 24, and the inserting hole 28 is provided with a supporting wall for supporting the flat supporting surface on the wedge block 12; meanwhile, the insertion hole 28 is a guide hole for guiding insertion of the wedge 12, and the guide hole can be simultaneously in guiding fit with a flat support surface on the wedge 12 and one side opposite to the flat support surface, so as to avoid that the U-shaped opening and the annular groove of the positioning pin 18 cannot be smoothly clamped due to deviation of the wedge 12 in a direction perpendicular to the moving direction of the wedge 12 when the wedge 12 moves in the insertion hole. In other embodiments, the positions of the plug holes can be changed according to the positions of the parting surfaces, and the plug holes can be arranged on the molding die body and are perpendicular to the parting surfaces of the front and rear molding die bodies.
As shown in fig. 4, the rear end of the wedge 12 is connected with a guide rod 13 by a thread, a threaded hole is formed on the rear end face of the wedge 12, an external thread adapted to the threaded hole is formed at the front end of the guide rod 13, so that the guide rod 13 is connected to the rear end of the wedge 12 by the thread, and two parallel planes are formed on the outer peripheral surface of the guide rod 13, so that the wrench can clamp the guide rod 13 to be mounted or dismounted.
As shown in fig. 4, the guide rod 13 is provided with a striking block 14 along the opening direction of the U-shaped opening, the striking block 14 is used for striking the rear end surface of the wedge 12 along the radial direction of the positioning pin 18 to push the wedge 12 to move along the radial direction of the positioning pin 18, wherein the diameter of the guide rod 13 is smaller than the diameter of the threaded connection part of the wedge 12 and the guide rod 13, and the rear end surface of the wedge 12 forms a front striking surface to bear the striking force of the striking block 14 to the wedge 12. The two ends of the striking block 14 along the axial direction of the guide rod 13 are provided with stopping shaft shoulders 16, and a holding part 15 with a smaller diameter is arranged between the two stopping shaft shoulders 16, so that an operator can hold the striking block 14 conveniently. In this embodiment, the grip portion 15 is a cylindrical segment. In other embodiments, the grip portion is waist-drum shaped.
As shown in fig. 4, the rear end of the guide rod 13 is connected with a bearing seat 17 through a bolt, a threaded hole is processed on the rear end surface of the guide rod 13, and a corresponding counter bore is processed on the bearing seat 17, so that the bearing seat 17 is connected with the rear end of the guide rod 13 through a bolt, and the head of the bolt is prevented from extending out of the bearing seat 17. The front end face of the bearing seat 17 is used for the collision block 14 to collide to drive the wedge block 12 to move back to the positioning pin 18, the front end face of the bearing seat 17 forms a rear collision face, and the bearing seat 17 can prevent the collision block 14 from falling off from the guide rod 13.
As shown in FIG. 4, the wedge block 12, the guide rod 13, the striking block 14 and the force bearing seat 17 form a straight structure when assembled together. When the insert auxiliary adjusting device is not used, all parts can be detached and placed in the tool box.
Embodiment 2 of the pouring mold for the embedded pole of the present invention:
this example differs from example 1 in that: in example 1, the side of the wedge 12 facing away from the thrust ramp 24 is a straight plane. In this embodiment, the portion of the wedge 12 on which the insertion arms are provided is a thinned portion 20 having a thickness smaller than the other portions of the wedge 12, and provides a space for the pin head 19.
The structure and the working process of the solid-sealed polar pole casting mold are described in the following embodiment 2:
the insert auxiliary adjusting device has two purposes of mold filling and mold stripping: when the insert-assisted adjustment is used for die filling, as shown in fig. 5, the wedge block 12 moves towards the positioning pin 18 in a manner that the pushing inclined surface 24 faces the outer side of the cavity, at this time, the head 19 of the pin head of the positioning pin 18 is clamped on the U-shaped opening, the pushing inclined surface 24 is attached to the outer groove bottom 26, and the outer groove bottom 26 drives the positioning pin 18 to move outwards to a predetermined position under the pushing of the pushing inclined surface 24, so that the wire outlet seat 22 is in place for die filling. When the insert auxiliary adjustment is used for demolding, two use states are provided, wherein the first use state is shown in fig. 6, the wedge block 12 moves towards the positioning pin 18 in a mode that the pushing inclined surface 24 faces away from the outer side of the cavity, at the moment, the head 19 of the pin head of the positioning pin 18 is clamped on the U-shaped opening, the pushing inclined surface 24 is attached to the inner groove bottom 27, and the inner groove bottom 27 drives the positioning pin 18 to move towards the cavity to a preset position under the pushing of the pushing inclined surface 24, so that a gap is formed between the wire outlet seat 22 and the molding die body 11, and demolding is facilitated; in a second use state, as shown in fig. 7, the wedge 12 moves towards the positioning pin 18 in a manner that the pushing inclined surface 24 faces away from the outer side of the cavity, at this time, the head 19 of the pin head of the positioning pin 18 is clamped on the U-shaped opening, the pushing inclined surface 24 is attached to the top surface 29 of the positioning pin 18, and the top surface 29 drives the positioning pin 18 to move towards the cavity to a predetermined position under the pushing of the pushing inclined surface 24, so that a gap is formed between the wire outlet seat 22 and the molding die body 11, and the die release is facilitated.
Before the solid-sealed polar pole casting mold is filled, the insert auxiliary adjusting device is assembled together, a wrench is used for clamping two planes of the guide rod 13 so as to connect the guide rod 13 to the wedge block 12 in a threaded manner, the collision block 14 is sleeved on the guide rod 13, and the bearing seat 17 is fixed at the rear end of the guide rod 13 through bolt connection. And (3) starting to mold the pouring mold of the solid-sealed polar pole, connecting the positioning pin 18 on the wire outlet seat 22 in a threaded manner, installing the wire outlet seat 22 and other pouring inserts of the solid-sealed polar pole into the molding mold body 11 from the inside of the cavity, and at the moment, extending the pin head 19 of the positioning pin 18 out of the positioning pin hole. The insert auxiliary adjusting device is inserted into the inserting hole in a mode that the pushing inclined plane 24 faces the outer side of the cavity, the annular groove of the positioning pin 18 is clamped on the U-shaped opening, the pushing inclined plane 24 is attached to the outer groove bottom 26 of the positioning pin 18, an operator holds the holding part 15 of the collision block 14 and collides the wedge block 12 forwards along the radial direction of the positioning pin 18, so that the pushing inclined plane 24 pushes the outer groove bottom 26, the wedge block 12 drives the positioning pin 18 to move along the axial direction of the positioning pin hole towards the direction back to the cavity, the wire outlet seat 22 is driven to move, after several times of collision, the positioning pin 18 moves to a preset position, the wedge block 12 does not move any more, and the wire outlet seat 22 is installed in place. Thereafter, casting is performed.
After pouring is finished and demolding is needed, the collision block 14 impacts the force bearing seat 17 backwards to enable the wedge block 12 to be withdrawn from the inserting hole 28, the insert auxiliary adjusting device is turned over by 180 degrees, the wedge block 12 is inserted into the inserting hole 28 in a mode that the push inclined surface 24 faces the cavity, the annular groove of the positioning pin 18 is clamped on the U-shaped opening, the push inclined surface 24 of the wedge block 12 is attached to the inner groove bottom 27 of the positioning pin 18, an operator holds the holding portion 15 of the collision block 14 to impact the wedge block 12 forwards along the radial direction of the positioning pin 18, the push inclined surface 24 pushes the demolding top pushing surface 27, the wedge block 12 drives the positioning pin 18 to move in the direction close to the cavity along the axial direction of the positioning pin hole to further drive the wire outlet seat 22 to move, and after several times of collision, looseness is generated between the wire outlet seat 22 and the side plate die body 23, and smooth demolding is facilitated.
In the die assembly of the pouring die for the solid-sealed polar pole, the positioning pin in the insert auxiliary adjusting device is in threaded connection with the bottom of the wire outlet seat, when a wedge block is inserted into an insertion hole perpendicular to a positioning pin hole in the die body, a U-shaped opening formed by two insertion arms arranged at intervals at the front end of the wedge block is in clamping fit with a pin head of the positioning pin, a pushing inclined plane of the wedge block is matched with a die assembly pushing surface or a die disassembly pushing surface of the pin head, and a collision block which is guided and assembled on a guide rod is held to impact the wedge block along the radial direction of the positioning pin, so that the wedge block pushes the positioning pin to move along the direction towards or away from the outer side of a cavity, further, the wire outlet seat is driven to move, the distance between the wire outlet seat and the die body is changed, the die assembly of product parts is ensured to be in place, or the product parts are convenient to be demolded. Like this, through the voussoir to the distance of locating pin transmission power in order to change pouring inserts and die cavity, avoid the effort direct application on mould accessories or pouring inserts, reduce mould accessories or pouring inserts's damage, improve product quality.
Embodiment 3 of the pouring mold for the embedded pole of the present invention:
the present example differs from example 1 in that: in embodiment 1, the rear end of the wedge 12 is fixed with a guide rod 13, the guide rod 13 is provided with a striking block 14 along the opening direction of the U-shaped opening, the insert auxiliary adjusting device further comprises a front striking surface arranged at the connecting part of the guide rod 13 and the wedge 12, and the front striking surface is struck by the striking block 14 to drive the wedge 12 to move towards the positioning pin 18. In the embodiment, the arrangement of the collision block is cancelled, and at the moment, a hammer head or other tools can be used for knocking the rear end of the guide rod to enable the wedge block to move forwards. In other embodiments, the striking block and the guide rod can be eliminated, and in this case, a hammer head or other tools can be directly used for striking the rear end face of the wedge block to drive the wedge block to move forwards.
Embodiment 4 of the pouring mold for the embedded pole of the present invention:
the present example differs from example 1 in that: in embodiment 1, the positioning pin 18 is provided with two demolding pushing surfaces, including an inner groove bottom 27 on the ring groove along the inner side of the positioning pin 18 in the axial direction and a top surface 29 on the pin head 19 along the outer side of the positioning pin. In this embodiment, one of the inner groove bottom and the top surface is arranged on the locating pin to form a demoulding push surface.
Embodiment 5 of the cast mold for a solid-sealed pole of the present invention:
this example differs from example 1 in that: in embodiment 1, two parallel flat surfaces are provided on the outer peripheral surface of the guide bar 13. In this embodiment, the guide bar is the square bar, and the spanner can the centre gripping each side of square bar.
Example 6 of the pouring mold for the embedded pole of the present invention:
this example differs from example 1 in that: in embodiment 1, the rear end of the guide rod 13 is fixedly connected to the force-bearing seat 17, and the front end surface of the force-bearing seat 17 constitutes the rear impact surface. In this embodiment, the rear end of the guide rod is provided with a flange, the limiting surface is arranged on the flange, and at this time, after the guide rod is detached from the wedge block, the collision block is taken down from the front end of the guide rod. In other embodiments, the rear end of the guide rod is provided with a through hole extending along the radial direction of the guide rod, after the collision block is sleeved on the guide rod, a stop pin is inserted into the through hole, and the contact surface of the stop pin and the collision block forms a rear collision surface.
Example 7 of the pouring mold for the embedded pole of the present invention:
this example differs from example 1 in that: in embodiment 1, the guide rod 13 is screwed to the wedge 12, a screw hole extending in the axial direction of the wedge 12 is provided in the rear end surface of the wedge, and an external thread is provided in the front end surface of the guide rod 13. In this embodiment, the guide bar is welded and fixed to the wedge. In other embodiments, the wedge 12 has external threads on its rear end face and the guide rod has threaded holes on its front end face.
Embodiment 8 of the pouring mold for the embedded pole of the present invention:
this example differs from example 1 in that: in embodiment 1, the locating pin includes round platform section and location cooperation section, and the location cooperation section is the cylinder section with locating pin hole adaptation, and the major diameter end of round platform section is connected with the outer end of cylinder section. In this embodiment, the locating pin is the cylinder structure with locating pin hole adaptation.
Finally, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without departing from the inventive concept, or some of the technical features may be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The pouring mold for the solid-sealed polar pole comprises a mold body for forming a cavity in an involutive mode, wherein the mold body is provided with a containing hole for embedding a pouring insert on the solid-sealed polar pole, and is characterized in that a positioning pin hole for inserting a matched positioning pin (18) is formed in the hole bottom of the containing hole, the positioning pin hole penetrates through the mold body outwards, a connecting structure for connecting with the pouring insert or an insert mounting seat for mounting the pouring insert is arranged at the inner end of the positioning pin (18), and a pin head (19) extending out of the outer end of the positioning pin hole is arranged at the outer end of the positioning pin (18); the pouring mold for the solid-sealed polar pole further comprises an insert auxiliary adjusting device, the insert auxiliary adjusting device comprises a wedge block (12), a pushing inclined plane (24) is arranged at the front end of the wedge block (12), a flat supporting surface is arranged on one side, opposite to the pushing inclined plane (24), of the wedge block (12), two inserting arms which are arranged at intervals are arranged on the portion, on which the pushing inclined plane (24) is arranged, of the wedge block (12), and a U-shaped opening used for being clamped on the positioning pin (18) is formed between the two inserting arms; the die body is provided with a plug hole (28) which is vertical to and communicated with the positioning pin hole, and the plug hole (28) is provided with a supporting wall for supporting a flat supporting surface on the wedge block (12); a die-filling pushing surface is arranged on the axial inner side of the pin head (19), and is used for driving the positioning pin (18) to move outwards from the cavity under the pushing action of the pushing inclined surface (24) in the process that the wedge block (12) moves towards the positioning pin (18) in a mode that the pushing inclined surface (24) faces the outer side of the cavity; the positioning pin (18) is also provided with a demoulding pushing surface facing the axial outer side of the positioning pin (18), and the demoulding pushing surface is used for driving the positioning pin (18) to move towards the cavity under the pushing of the pushing inclined surface (24) in the process that the wedge block (12) moves towards the positioning pin (18) in a mode that the pushing inclined surface (24) is back to the outer side of the cavity.
2. The pouring mold for the embedded pole according to claim 1, wherein a guide rod (13) is fixed at the rear end of the wedge block (12), a collision block (14) is assembled on the guide rod (13) along the opening direction of the U-shaped opening in a guiding manner, the auxiliary insert adjusting device further comprises a front collision surface arranged on the connecting portion of the guide rod (13) and the wedge block (12), and the front collision surface is used for the collision block (14) to collide so as to drive the wedge block (12) to move towards the positioning pin (18).
3. The pouring mold for the embedded pole according to claim 2, wherein a bearing seat (17) is fixed at one end of the guide rod (13) facing away from the wedge block (12), and the bearing seat (17) forms a rear impact surface at the rear end of the guide rod (13) for the impact of the impact block (14) to drive the wedge block (12) to move away from the positioning pin (18).
4. The pouring mold for the embedded pole according to claim 3, wherein the rear end surface of the guide rod (13) is provided with a threaded hole, and the bearing seat (17) is fixed at the rear end of the guide rod (13) through bolt connection.
5. The casting mold for embedded poles according to any one of claims 1 to 4, wherein the mold-loading ejection surface and the mold-releasing ejection surface are both arranged obliquely with respect to a plane perpendicular to the positioning pin (18), and the ejection slopes (24) on the wedge block (12) are arranged obliquely in the corresponding directions to coincide with the corresponding mold-loading ejection surface and the corresponding mold-releasing ejection surface.
6. The cast mould for the embedded pole according to any one of claims 1 to 4, characterized in that the diameter of the middle part and the diameter of the two ends of the collision block (14) are different in the guiding moving direction of the collision block (14).
7. The pouring mold for the embedded pole according to claim 6, wherein the two ends of the collision block (14) along the axial direction of the guide rod (13) are provided with retaining shoulders (16), and a holding part (15) with a smaller diameter is formed between the two retaining shoulders (16).
8. The cast mold for the embedded pole according to any one of claims 1 to 4, wherein the positioning pin (18) comprises a circular truncated cone section and a positioning fit section, the positioning fit section is a cylindrical section matched with the positioning pin hole, and the large-diameter end of the circular truncated cone section is connected with the outer end of the cylindrical section.
9. The cast mold for embedded pole according to any one of claims 1 to 4, characterized in that the wedge (12) has a thinned portion (20) with a smaller thickness than the other portions, and the insertion arm is disposed on the thinned portion (20).
10. The casting mold for embedded poles according to any one of claims 1 to 4, characterized in that the insertion holes (28) are guiding holes for guiding insertion of the wedges (12) and are used for guiding fit with the flat supporting surface and the side opposite to the flat supporting surface on the wedges (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210161574.1A CN114678235B (en) | 2022-02-22 | 2022-02-22 | Solid-sealed polar pole casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210161574.1A CN114678235B (en) | 2022-02-22 | 2022-02-22 | Solid-sealed polar pole casting mold |
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| CN114678235A true CN114678235A (en) | 2022-06-28 |
| CN114678235B CN114678235B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210161574.1A Active CN114678235B (en) | 2022-02-22 | 2022-02-22 | Solid-sealed polar pole casting mold |
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| CN210110595U (en) * | 2019-06-11 | 2020-02-21 | 许继集团有限公司 | Solid-sealed polar pole pouring mold and demolding rod thereof |
| CN111081483A (en) * | 2019-06-11 | 2020-04-28 | 许继集团有限公司 | Solid-sealed polar pole pouring mold and demolding rod thereof |
| US20210323142A1 (en) * | 2018-08-29 | 2021-10-21 | Wibemo S.A. | Gripper having an interchangeable head, and tool comprising same |
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| GB809441A (en) * | 1954-07-12 | 1959-02-25 | Rupert Evan Howard Carpenter | Improvements relating to polarised electromagnetic relays and like devices |
| US4342974A (en) * | 1980-12-09 | 1982-08-03 | Matsushita Electric Works, Ltd. | Multipolar type circuit breaker |
| JPH06327223A (en) * | 1993-05-11 | 1994-11-25 | Shinko Electric Co Ltd | Pulse motor |
| JP2010062079A (en) * | 2008-09-05 | 2010-03-18 | Mitsubishi Electric Corp | Polarized electromagnet, electromagnetic contactor, electromagnetic switchgear, and manufacturing method of polarized electromagnet |
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| CN106298374A (en) * | 2016-08-31 | 2017-01-04 | 河南森源电气股份有限公司 | Pole casting mold and outlet terminal combination die thereof |
| WO2018107714A1 (en) * | 2016-12-14 | 2018-06-21 | 江苏南瑞帕威尔电气有限公司 | Integrally cast vacuum circuit breaker monopole |
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| US20210323142A1 (en) * | 2018-08-29 | 2021-10-21 | Wibemo S.A. | Gripper having an interchangeable head, and tool comprising same |
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| CN111081483A (en) * | 2019-06-11 | 2020-04-28 | 许继集团有限公司 | Solid-sealed polar pole pouring mold and demolding rod thereof |
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| Publication number | Publication date |
|---|---|
| CN114678235B (en) | 2023-09-22 |
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