CN215090550U - Sand mold jolt ramming device in V method casting - Google Patents
Sand mold jolt ramming device in V method casting Download PDFInfo
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- CN215090550U CN215090550U CN202120826528.XU CN202120826528U CN215090550U CN 215090550 U CN215090550 U CN 215090550U CN 202120826528 U CN202120826528 U CN 202120826528U CN 215090550 U CN215090550 U CN 215090550U
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Abstract
A V-method casting medium sand mold jolt ramming device relates to the field of sand vibration compaction machinery and comprises a mounting groove, wherein a supporting base is arranged on the mounting groove, a negative pressure air suction box is arranged on the supporting base, a vibration component is arranged on the lower surface of the negative pressure air suction box, a casting mold and a sand box are arranged on the upper portion of the negative pressure air suction box, the casting mold is located inside the sand box, a pressing mechanism is arranged on the upper portion of the sand box, after sand injection is completed, the pressing mechanism is matched with a vibration motor to complete a jolt ramming process of sand grains in the sand box, after sealing is completed through a plastic film, air in the casting mold is pumped out through a vacuum pump by the negative pressure air suction box, the casting mold is in a negative pressure vacuum state, and pressure difference between the inside and the outside of the casting mold is kept through continuous air pumping of the vacuum pump, so that dry sand is compacted.
Description
Technical Field
The utility model belongs to the technical field of sand grain vibration compaction machinery and specifically relates to a sand mould plain bumper in V method casting.
Background
The V-method molding is a vacuum seal molding casting process, also called vacuum seal molding, which is called vacuum molding or V-method (vacuum molding) for short, also called decompression or negative pressure molding. It uses dry sand without adhesive as moulding material, uses plastic film to seal a special sand box, and uses vacuum pump to pump out air in the mould, so as to make the pressure difference between inside and outside of the mould, and compact the dry sand to form the required mould cavity to make metal liquor pouring so as to obtain the invented casting.
At present, sand needs to be conveyed into a sand box in the process of V-method casting, but the sand in the sand box is unevenly distributed and uneven in surface after the conveying is finished, and if the vibration compaction is not carried out timely, the subsequent core setting and box assembling processes can be influenced, so that the casting mold is low in efficiency.
SUMMERY OF THE UTILITY MODEL
To having sand grain distribution inhomogeneous among the prior art, surface unevenness scheduling problem, the utility model provides a sand mould plain bumper device in V method casting can avoid the emergence of above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is:
a sand mold jolt ramming device in V-process casting comprises a mounting groove, wherein a supporting base is arranged on the mounting groove, a negative pressure air suction box is arranged on the supporting base, a vibrating assembly is arranged on the lower surface of the negative pressure air suction box, a casting mold and a sand box are arranged on the upper portion of the negative pressure air suction box, and the casting mold is located inside the sand box; after the sand injection is completed, the pressing mechanism is matched with the vibration assembly to complete the compaction process of sand grains in the sand box.
In some embodiments, the upper part of the sand box is provided with a pressing mechanism, the pressing mechanism comprises a horizontal fixed rod, a sliding block is slidably matched on the horizontal fixed rod, an electric cylinder is arranged on the sliding block, a lower pressing plate is arranged on a contraction rod of the electric cylinder, the lower pressing plate is contacted with sand grains in the sand box, and the electric cylinder is electrically connected with a power supply; at the in-process of vibration subassembly vibration, the holding down plate carries out the compaction in a plurality of positions, improves the effect of vibration, and electronic jar realizes accurate control can not contact with the casting mould.
In some embodiments, a hinge block is arranged on the mounting groove, a horizontal limiting plate is arranged on the hinge block, a sand baffle is rotatably connected to the hinge block, and a spring is arranged between the horizontal limiting plate and the sand baffle; the sand blocking plate prevents that the sand grains in the vibration process from dropping in the mounting groove, the spring and the horizontal limiting plate limit the position of the sand blocking plate, and the hinged block drives the sand blocking plate to rotate so as to facilitate sand unloading.
In some embodiments, a first fixing ring is arranged on the negative pressure suction box, a second fixing ring is arranged on the sand box, and clamping rollers are arranged on the first fixing ring and the second fixing ring; the negative pressure suction box and the sand box are fixed through the first fixing ring and the second fixing ring, and therefore the situation that the position deviation cannot occur in the vibrating process is guaranteed.
In some embodiments, the sand box is provided with a lifting lug, and the negative pressure suction box is provided with a suction pipe; the lug is responsible for hoist and mount the sand box, the exhaust tube is responsible for bleeding, builds the vacuum environment of negative pressure case of breathing in.
In some embodiments, a pre-tightening spring cushion is arranged between the support base and the negative pressure suction box; the pre-tightening spring pad can assist the vibration assembly in enhancing the compaction effect.
In some embodiments, a plurality of air suction holes are arranged between the negative pressure suction box and the casting mould.
In some embodiments, the upper surface of the sand box is provided with a plastic film; the plastic film is responsible for sealing the sand box.
In some embodiments, the slot of the mounting slot is flush with the ground.
In some embodiments, the vibration assembly is one of a vibration motor or an electromagnetic vibrator.
An electromagnetic vibrator for applying a pulsating voltage obtained by half-wave rectifying an alternating current to a coil and vibrating a movable core by an electromagnetic force of the coil.
Based on the utility model discloses a sand type plain bumper device in V method casting relates to sand grain vibration compaction machinery, including the mounting groove, be provided with the support base on the mounting groove, be provided with the negative pressure case of breathing in on the support base, the lower surface of negative pressure case of breathing in is provided with the vibration subassembly, the upper portion of negative pressure case of breathing in is provided with casting mould and sand box, the casting mould is in inside the sand box the upper portion of sand box is provided with pushing down the mechanism, and after the completion is annotated sand, the cooperation of pushing down the mechanism vibrating motor accomplishes the plain bumper flow of sand grain in the sand box, accomplishes the back of sealing with plastic film, the negative pressure is breathed in the air of vacuum pump in with the casting mould for the case, makes the casting mould be negative pressure vacuum state to rely on the continuous interior outer pressure differential of the casting mould of bleeding maintenance of vacuum pump, make dry sand compact.
The utility model has the advantages that:
1. the utility model relates to a sand mould plain bumper device in V method casting, electronic jar back and forth movement on horizontal fixed rod, at the in-process of vibration subassembly vibration, the holding down plate carries out the compaction in a plurality of positions, improves the effect of vibration, and electronic jar realizes accurate control can not contact with the casting mould.
2. The utility model relates to a sand type jolt ramming device in V method casting, the sand baffle prevents that vibrations in-process sand grain from dropping the mounting groove, spring and horizontal limiting plate are injectd the position of sand baffle, articulated piece drives the rotation of sand baffle and conveniently unloads the sand.
Drawings
FIG. 1 is a schematic view of the overall structure of a sand mold jolt ramming device in V-process casting according to the present invention;
fig. 2 is a partially enlarged view of reference character a in fig. 1.
Reference numerals:
1. mounting grooves; 11. a support base; 12. pre-tightening the spring pad; 13. a hinged block; 14. a sand baffle plate; 15. a spring; 16. a horizontal limiting plate; 21. a negative pressure suction box; 212. an air exhaust pipe; 22. a sand box; 23. casting; 25. an air exhaust hole; 26. a vibrating assembly; 27. a second retaining ring; 28. a first retaining ring; 29. clamping the roller; 3. a pressing mechanism; 31. a slider; 32. a horizontal fixing rod; 33. an electric cylinder; 34. a lower pressing plate; 35. and (7) lifting lugs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 2, the sand mold jolt ramming device in V-process casting comprises a mounting groove 1, a support base 11 is arranged on the mounting groove, a negative pressure suction box 21 is arranged on the support base, a vibration component 26 is arranged on the lower surface of the negative pressure suction box, a casting mold 23 and a sand box 22 are arranged on the upper portion of the negative pressure suction box, the casting mold is located in the sand box, and a pressing mechanism 3 is arranged on the upper portion of the sand box; after the sand injection is finished, the pressing mechanism is matched with the vibration assembly to finish the compaction process of sand grains in the sand box, after the sealing is finished by the plastic film, the negative pressure air suction box uses the vacuum pump to pump out air in the casting mold, so that the casting mold is in a negative pressure vacuum state, and the vacuum pump continuously pumps air to keep the pressure difference between the inside and the outside of the casting mold, so that dry sand is compacted.
When the embodiment of the present invention is implemented, as shown in fig. 1, the pressing mechanism includes a horizontal fixing rod 32, a sliding block 31 is slidably fitted on the horizontal fixing rod, an electric cylinder 33 is provided on the sliding block, a pressing plate 34 is provided on a contraction rod of the electric cylinder, the pressing plate contacts with sand in a sand box, and the electric cylinder is electrically connected with a power supply; electronic jar back and forth movement on horizontal fixed rod, at the in-process of vibration subassembly vibration, the holding down plate carries out the compaction in a plurality of positions, improves the effect of vibration, and electronic jar realizes accurate control can not contact with the casting mould.
When the embodiment of the utility model is implemented, as shown in fig. 2, the mounting groove is provided with a hinged block 13, the hinged block is provided with a horizontal limiting plate 16, the hinged block is rotatably connected with a sand baffle 14, and a spring 15 is arranged between the horizontal limiting plate and the sand baffle; the sand blocking plate prevents that the sand grains in the vibration process from dropping in the mounting groove, the spring and the horizontal limiting plate limit the position of the sand blocking plate, and the hinged block drives the sand blocking plate to rotate so as to facilitate sand unloading.
In the embodiment of the present invention, as shown in fig. 2, a first fixing ring 28 is disposed on the negative pressure suction box, a second fixing ring 27 is disposed on the sand box, and a clamping roller 29 is disposed on the first fixing ring and the second fixing ring; the negative pressure suction box and the sand box are fixed through the first fixing ring and the second fixing ring, and therefore the situation that the position deviation cannot occur in the vibrating process is guaranteed.
When the embodiment of the utility model is implemented, as shown in fig. 1, the sand box is provided with a lifting lug 35, and the negative pressure suction box is provided with a suction pipe 212; the lug is responsible for hoist and mount the sand box, the exhaust tube is responsible for bleeding, builds the vacuum environment of negative pressure case of breathing in.
In the embodiment of the present invention, as shown in fig. 1, a pre-tightening spring pad 12 is disposed between the support base and the negative pressure suction box; the pre-tightening spring pad can assist the vibration assembly in enhancing the compaction effect.
The embodiment of the utility model provides a further refine of scheme, the notch of mounting groove flushes with ground.
The embodiment of the utility model provides a further refine, be provided with a plurality of aspirating holes 25 between negative pressure suction box and the casting mould.
The embodiment of the utility model provides a further refine, the upper surface of sand box is provided with plastic film, plastic film is responsible for sealing the sand box.
The embodiment of the utility model provides a further refine of scheme, the vibration subassembly is one of vibrating motor or electromagnetic vibrator.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (9)
1. The V-method casting medium sand mold jolt ramming device comprises a mounting groove and is characterized in that a supporting base is arranged on the mounting groove, a negative pressure air suction box is arranged on the supporting base, a vibrating component is arranged on the lower surface of the negative pressure air suction box, a casting mold and a sand box are arranged on the upper portion of the negative pressure air suction box, and the casting mold is located inside the sand box.
2. The sand mold jolt ramming apparatus in V-process casting according to claim 1, wherein the upper portion of the sand box is provided with a hold-down mechanism, the hold-down mechanism comprises a horizontal fixing rod, a sliding block is slidably fitted on the horizontal fixing rod, an electric cylinder is arranged on the sliding block, a hold-down plate is arranged on a contraction rod of the electric cylinder, the hold-down plate is in contact with sand grains in the sand box, and the electric cylinder is electrically connected with a power supply.
3. The sand mold jolt ramming device in V method casting of claim 1, wherein the mounting groove is provided with a hinged block, the hinged block is provided with a horizontal limiting plate, the hinged block is rotatably connected with a sand baffle, and a spring is arranged between the horizontal limiting plate and the sand baffle.
4. The sand mold jolt ramming apparatus in V-process casting according to claim 1, wherein a first fixing ring is disposed on the negative pressure suction box, a second fixing ring is disposed on the sand box, and a clamping roller is disposed on the first fixing ring and the second fixing ring.
5. The device for vibrating and compacting the sand mold in V-process casting according to claim 4, wherein the sand box is provided with a lifting lug, and the negative pressure suction box is provided with a suction pipe.
6. The sand mold jolt ramming apparatus in V-process casting according to claim 1, wherein a pre-tightening spring pad is disposed between the supporting base and the negative pressure suction box.
7. The sand mold jolt ramming apparatus in V-process casting according to claim 5, wherein a plurality of air suction holes are provided between the negative pressure suction box and the mold.
8. The sand mold tapping device in V-process casting according to claim 1, wherein the vibrating component is one of a vibrating motor or an electromagnetic vibrator.
9. The sand mold tapping device in V-process casting according to claim 1, wherein the notch of the mounting groove is flush with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120826528.XU CN215090550U (en) | 2021-04-21 | 2021-04-21 | Sand mold jolt ramming device in V method casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120826528.XU CN215090550U (en) | 2021-04-21 | 2021-04-21 | Sand mold jolt ramming device in V method casting |
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| CN215090550U true CN215090550U (en) | 2021-12-10 |
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| CN202120826528.XU Active CN215090550U (en) | 2021-04-21 | 2021-04-21 | Sand mold jolt ramming device in V method casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117862427A (en) * | 2024-03-12 | 2024-04-12 | 华翔(翼城)工业装备有限公司 | Production line for V-method casting |
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2021
- 2021-04-21 CN CN202120826528.XU patent/CN215090550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117862427A (en) * | 2024-03-12 | 2024-04-12 | 华翔(翼城)工业装备有限公司 | Production line for V-method casting |
| CN117862427B (en) * | 2024-03-12 | 2024-05-17 | 华翔(翼城)工业装备有限公司 | Production line for V-method casting |
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