CN210045961U

CN210045961U - Dust cover that sand casting system core was used

Info

Publication number: CN210045961U
Application number: CN201920789095.8U
Authority: CN
Inventors: 徐海泳
Original assignee: Huizhou Yongxing Machinery Mould Manufacturing Co Ltd
Current assignee: Huizhou Yongxing Machinery Mould Manufacturing Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-02-11
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a shield that sand casting core making was used, the lid is in the mould upper surface department and is prevented that the resin sand from scattering and flying upward during the core making of casting, including the lid, dig the ring channel of establishing on the lid, the ring channel runs through the lid, slides on the ring channel and is provided with the snap ring, and the snap ring has the perforating hole, the through hole, the snap ring is connected with the pipeline of outside transport resin sand, the through hole communicates with the pipeline of outside transport resin sand. The utility model provides a shield that sand casting system core was used can effectively avoid the four scattered of resin sand to fly away, avoids environmental pollution, reduces the waste of material.

Description

Dust cover that sand casting system core was used

Technical Field

The utility model relates to a casting field especially relates to a shield that sand casting system core was used.

Background

Sand casting is an important casting means and is widely used in industrial production. However, the method also has some problems of environmental pollution, such as that resin sand needs to be conveyed into the mold through a pipeline to form a casting on the inner surface during core making, but because the mold is of an open structure, the resin sand is conveyed, and the particle size of the resin sand is small, so that the resin sand is easy to fly around, thereby causing environmental pollution and wasting materials.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a solve above-mentioned technical problem, provide a shield that sand casting core-making was used, can effectively avoid the four scatter of resin sand to fly upward, avoid environmental pollution, reduce the waste of material.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a shield that sand casting core-making was used, the lid was in the mould upper surface department and was prevented that resin sand from scattering and flying upward during the core-making in the casting, including the lid that covers on the mould, dig the ring channel of establishing on the lid, the ring channel runs through the lid, slides on the ring channel and is provided with the snap ring, and the snap ring has the perforating hole, and the perforating hole, snap ring and the pipeline connection of outside transport resin sand, perforating hole and the pipeline intercommunication of outside transport resin sand.

Preferably, a soft rubber sheet for closing the annular groove is arranged in the annular groove.

Preferably, the snap ring comprises an upper cover contacted with the upper surface of the cover body, a lower cover contacted with the lower surface of the cover body, and a central rod penetrating through the annular groove and connecting the upper cover and the lower cover into a whole.

Preferably, the snap ring is further connected with a rotating head which can rotate freely relative to the snap ring.

Preferably, the rotor has a plurality of outlets running perpendicular to the through-opening.

Preferably, the edge of lid lower surface is provided with the boss, is provided with the cushion on the inboard lateral wall of boss.

Preferably, the outer side of the soft cushion is flat and smooth, and the inner side of the soft cushion is a step-shaped bulge.

Preferably, the swivel is rotatably connected with the snap ring through a bearing.

Preferably, the upper surface of the cover body is provided with a first ring channel surrounding the inner circle of the annular groove and a second ring channel surrounding the outer circle of the annular groove, the lower surface of the cover body is provided with a third ring channel surrounding the inner circle of the annular groove and a fourth ring channel surrounding the outer circle of the annular groove, the first ring channel, the second ring channel, the third ring channel and the fourth ring channel are all annular blind grooves with semicircular sections, the lower surface of the upper cover is provided with a first semicircular hole and a second semicircular hole, the upper surface of the lower cover is provided with a third semicircular hole and a fourth semicircular hole, and the first semicircular hole, the second semicircular hole, the third semicircular hole and the fourth semicircular hole are all hemispherical blind holes with semicircular sections; the first semicircular hole is arranged above the first loop in a sliding mode, and a ball is arranged in a variable cavity formed by the first semicircular hole and the first loop in a closed mode; the second semicircular hole is arranged above the second annular channel in a sliding manner, and a ball is arranged in a variable cavity formed by the second semicircular hole and the second annular channel in a closed manner; the third semicircular hole is arranged above the third circular channel in a sliding manner, and a ball is arranged in a variable cavity formed by the third semicircular hole and the third circular channel in a closed manner; the fourth semicircle orifice is arranged above the fourth channel in a sliding way, and a ball is arranged in the variable cavity formed by the fourth semicircle orifice and the fourth channel in a closed way.

The utility model discloses compare in prior art's beneficial effect and be:

the utility model discloses a shield, on the basis of the open mould of tradition, the innovative design has been covered in the shield of the uncovered department of mould, can effectively avoid resin sand to fly about, avoids environmental pollution, and it is extravagant to reduce the material.

Drawings

Fig. 1 is a sectional view of a dust cap for sand casting core manufacturing according to an embodiment of the present invention.

Fig. 2 is a bottom view of a dust cap for sand casting core manufacturing according to an embodiment of the present invention.

Fig. 3 is a plan view of a dust cap for sand casting core manufacturing according to an embodiment of the present invention.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1-3, an embodiment of the present invention includes:

the utility model provides a shield that sand casting core-making was used, the lid is in the mould upper surface department and prevents that resin sand from scattering and flying upward during the core-making of casting, including cover 1, dig the ring channel 2 of establishing on cover 1 that cover on the mould, ring channel 2 runs through cover 1, and the slip is provided with snap ring 3 on ring channel 2, and snap ring 3 has perforating hole 4, and snap ring 3 is connected with outside pipeline 5 of carrying the resin sand, and perforating hole 4 communicates with outside pipeline 5 of carrying the resin sand. A soft rubber sheet 6 for sealing the annular groove 2 is arranged in the annular groove 2. The snap ring 3 comprises an upper cover 7 contacted with the upper surface of the cover body 1, a lower cover 8 contacted with the lower surface of the cover body 1, and a middle rod 9 penetrating through the annular groove 2 and connecting the upper cover 7 and the lower cover 8 into a whole. The snap ring 3 is also connected to a swivel 10 which is rotatable relative to the snap ring 3. The rotor 10 has a plurality of outlets 11 running perpendicular to the through-opening 4. The edge of the lower surface of the cover body 1 is provided with a boss 12, and the side wall of the inner side of the boss 12 is provided with a soft cushion 13. The outer side of the soft cushion 13 is smooth, and the inner side of the soft cushion 13 is a step-shaped bulge so as to adapt to molds with different openings. The rotor 10 is rotatably connected with the snap ring 3 through a bearing 14. The upper surface of the cover body 1 is provided with a first ring path 16 surrounding the inner circle of the annular groove 2 and a second ring path 17 surrounding the outer circle of the annular groove 2, the lower surface of the cover body 1 is provided with a third ring path 18 surrounding the inner circle of the annular groove 2 and a fourth ring path 19 surrounding the outer circle of the annular groove 2, the first ring path 16, the second ring path 17, the third ring path 18 and the fourth ring path 19 are all annular blind grooves with semicircular sections, the lower surface of the upper cover 7 is provided with a first semicircular hole and a second semicircular hole, the upper surface of the lower cover 8 is provided with a third semicircular hole and a fourth semicircular hole, and the first semicircular hole, the second semicircular hole, the third semicircular hole and the fourth semicircular hole are all hemispherical blind holes with semicircular sections; the first semicircular hole is arranged above the first loop 16 in a sliding manner, and a ball is arranged in a variable cavity formed by the first semicircular hole and the first loop 16 in a closed manner; the second semicircular hole is arranged above the second annular channel 17 in a sliding manner, and a ball 15 is arranged in a variable cavity formed by the second semicircular hole and the second annular channel 17 in a closed manner; the third semicircular hole is arranged above the third loop 18 in a sliding manner, and a ball is arranged in a variable cavity formed by the third semicircular hole and the third loop 18 in a closed manner; the fourth semicircular hole is arranged above the fourth ring channel 19 in a sliding manner, and a ball is arranged in a variable cavity formed by the fourth semicircular hole and the fourth ring channel 19 in a closed manner.

The working principle is that the clamping ring 3 is slidably clamped in the annular groove 2, and the clamping ring 3 can freely move in the annular groove 2 but cannot be taken out of the annular groove 2; when the device is used, the external pipeline 5 is fixedly connected with the upper part of the upper cover 7, then the cover body 1 is covered on the opening of the mold, the boss 12 surrounds the periphery of the opening of the mold, the sealing fit between the opening of the mold and the cover body 1 is realized by utilizing the step-shaped cushion 13, the external pipeline 5 is conducted to enable resin sand to be sprayed out from the external pipeline 5, the sprayed resin sand sequentially passes through the upper cover 7, the middle rod 9, the lower cover 8, the bearing 14 and the rotary head 10 and finally is transversely sprayed out from the outlets 11 of the rotary head 10, the space in the mold can be uniformly filled with the resin sand, and in order to further improve the distribution uniformity degree of the resin sand in the space in the mold, the clamping ring 3 in the annular groove 2 can manually slide, so that the clamping ring 3 rotates along the annular groove 2; in addition, the rotor 10 can rotate relative to the retainer ring 3, and the path of the outlet 11 is set to a certain inclination angle, so that the rotor 10 can rotate spontaneously along with the flowing force of the resin sand, and the distribution uniformity of the resin sand in the space in the mold is further improved.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The utility model provides a shield that sand casting core-making was used, its characterized in that, the lid is in order to prevent that resin sand from scattering and flying upward when casting core-making, including cover lid (1) on the mould, dig ring channel (2) of establishing on lid (1), ring channel (2) run through lid (1), it is provided with snap ring (3) to slide on ring channel (2), snap ring (3) have perforating hole (4), snap ring (3) are connected with pipeline (5) of outside transport resin sand, perforating hole (4) communicate with pipeline (5) of outside transport resin sand.

2. A dust cap for sand casting cores according to claim 1, characterized in that a swivel (10) is further connected to the snap ring (3) so as to be freely rotatable with respect to the snap ring (3).

3. A dust cap for sand casting cores according to claim 2, characterized in that the rotor (10) has a plurality of outlets (11) running perpendicular to the through-going bore (4).

4. A dust cap for sand casting cores according to claim 1, wherein a boss (12) is provided at the edge of the lower surface of the cap body (1), and a soft pad (13) is provided on the inner side wall of the boss (12).

5. A dust cap for a sand casting core according to claim 1, wherein a soft rubber sheet (6) for closing the annular groove (2) is provided in the annular groove (2).

6. A dust cap for sand casting cores according to claim 1, wherein the retainer ring (3) comprises an upper cap (7) contacting the upper surface of the cap body (1), a lower cap (8) contacting the lower surface of the cap body (1), and a center rod (9) penetrating the annular groove (2) and integrally connecting the upper cap (7) and the lower cap (8).

7. A dust cap for sand casting cores according to claim 4, wherein the outer side of the soft pad (13) is flat and smooth, and the inner side of the soft pad (13) is a stepped protrusion.

8. A dust cap for sand casting cores according to claim 2 or 3, characterized in that the swivel (10) is rotatably connected to the snap ring (3) by means of a bearing (14).

9. A dust cap for sand casting a core according to claim 6, wherein the upper surface of the cap body (1) is provided with a first ring path around the inner circumference of the annular groove (2) and a second ring path around the outer circumference of the annular groove (2), the lower surface of the cover body (1) is provided with a third loop which surrounds the inner circle side of the annular groove (2) and a fourth loop which surrounds the outer circle side of the annular groove (2), the first loop, the second loop, the third loop and the fourth loop are all circular blind grooves with semicircular sections, the lower surface of the upper cover (7) is provided with a first semicircular hole and a second semicircular hole, the upper surface of the lower cover (8) is provided with a third semicircular hole and a fourth semicircular hole, the first semicircular hole, the second semicircular hole, the third semicircular hole and the fourth semicircular hole are hemispherical blind holes with semicircular sections; the first semicircular hole is arranged above the first loop in a sliding mode, and a ball is arranged in a variable cavity formed by the first semicircular hole and the first loop in a closed mode; the second semicircular hole is arranged above the second annular channel in a sliding manner, and a ball is arranged in a variable cavity formed by enclosing the second semicircular hole and the second annular channel; the third semicircular hole is arranged above the third circular channel in a sliding manner, and a ball is arranged in a variable cavity formed by the third semicircular hole and the third circular channel in a closed manner; the fourth semicircular hole is arranged above the fourth channel in a sliding mode, and a ball is arranged in a variable cavity formed by the fourth semicircular hole and the fourth channel in a closed mode.