Tool for preventing sand from entering mold opening

Abstract

The utility model provides a sand feeding prevention tool for a casting mold opening, and relates to the technical field of casting tools. Four L-shaped pieces are connected inside the main body, two bolts A and two bolts B are connected outside the main body, the bolts A are connected with the L-shaped pieces, and the bolts B are connected with the L-shaped pieces; a pouring funnel is connected to the center of the body, a movable part is mounted in the top of the body and sleeved outside the pouring funnel, and a steel ball is mounted in the top of the body and connected with the movable part. According to the utility model, the pouring funnel can be subjected to lifting adjustment according to different depths of a casting mold opening, so that the bottom of the pouring funnel is inserted into the casting mold opening, the sand inlet condition of the casting mold opening is avoided, after the pouring funnel is adjusted, the spiral ring is rotated, the spiral ring drives the movable piece to move downwards, the movable piece drives the steel ball to move inwards, and the steel ball is in contact with the pouring funnel; the effect of clamping and fixing the pouring funnel is achieved, and the stability of the state of the pouring funnel is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of casting tooling, in particular to a tooling for preventing sand from entering a casting mold. Background Art

[0002] Casting is a method of pouring liquid metal into a casting cavity that is adapted to the shape of the part, and then obtaining a part or blank after it cools and solidifies. The cast material is mostly metal that was originally solid but heated to liquid state, and the casting is often carried out in a mold. During the casting process, in order to avoid sand ingress at the mold mouth, it is necessary to install anti-sand ingress tooling at the mold mouth.

[0003] Currently, the existing mold mouth anti-sand tooling mostly adopts an integrated structure. It is developed and finalized according to the same specification of mold at the beginning of design. It can only be used for the needs of this specification of mold and cannot be adapted and adjusted according to different specifications of mold, so there are limitations in use. Utility Model Content

[0004] The present invention relates to a tool for preventing sand from entering a mold mouth, which solves the problem that the existing tool for preventing sand from entering a mold mouth mostly adopts an integrated structure, is developed and finalized according to a mold of the same specification at the beginning of the design, can only be used for the needs of the mold of this specification, and cannot be adapted and adjusted according to molds of different specifications, thus having limitations in use.

[0005] In a first aspect of the present disclosure, a tool for preventing sand from entering a mold opening is provided, which specifically includes: a main body; four L-shaped parts are connected to the inside of the main body, and two bolts A and two bolts B are connected to the outside of the main body, wherein the bolts A are connected to the L-shaped parts, and the bolts B are connected to the L-shaped parts; a casting funnel is connected to the center of the main body, a movable part is installed on the top of the main body, the movable part is mounted on the outside of the casting funnel, a steel ball is installed on the top of the main body, and the steel ball is connected to the movable part; a spiral coil is connected to the outside of the top of the main body, and the spiral coil is connected to the movable part.

[0006] Furthermore, two transverse holes are symmetrically provided inside the main body, and the L-shaped part is slidably connected to the transverse hole. A screw hole A is provided on the outside of the transverse hole, and the bolt A is threadedly connected to the screw hole A. The inner end of the bolt A contacts the L-shaped part inside the transverse hole. According to the width of the mold, the L-shaped part located inside the transverse hole is adjusted so that the L-shaped part contacts the left and right sides of the mold, and the L-shaped part is fixed by the bolt A.

[0007] Furthermore, two longitudinal holes are symmetrically arranged inside the main body, and the L-shaped part is slidably connected to the longitudinal hole. A screw hole B is arranged on the outside of the longitudinal hole, and the bolt B is threadedly connected to the screw hole B. The inner end of the bolt B contacts the L-shaped part inside the longitudinal hole. According to the different lengths of the mold, the L-shaped part located inside the longitudinal hole is adjusted so that the L-shaped part contacts the front and rear sides of the mold. The L-shaped part is fixed by bolt A, which has the effect of limiting the casting funnel.

[0008] Furthermore, a guide hole is provided inside the main body, and a pouring funnel passes through the guide hole. A pipe sleeve is provided outside the main body, and the inner side of the pipe sleeve is inclined. The pipe sleeve is communicated with the guide hole. The pouring funnel can be raised and lowered according to the depth of the mold mouth so that the bottom of the pouring funnel is inserted into the mold mouth to avoid sand entering the mold mouth.

[0009] Furthermore, the movable part is slidably connected in the pipe sleeve, a vertical through hole is arranged inside the movable part, a casting funnel passes through the vertical through hole, and the outer side of the movable part is inclined.

[0010] Furthermore, a movable hole is arranged in a circumferential shape on the outer inclined surface of the movable part, and a steel ball is located in the movable hole. One end of the steel ball contacts the inner inclined surface of the pipe sleeve, and the other end of the steel ball contacts the outer side of the casting funnel.

[0011] Furthermore, guide grooves are provided on opposite sides of the pipe sleeve, and guide rods are provided on opposite sides of the movable part. The guide rods are slidably connected in the guide grooves, and the screw ring is threadedly connected to the outside of the pipe sleeve. The bottom of the screw ring contacts the guide rods. After the casting funnel is adjusted, the screw ring is rotated, and the screw ring drives the movable part to move downward, and the movable part drives the steel ball to move inward, so that the steel ball contacts the casting funnel, thereby clamping and fixing the casting funnel.

[0012] The utility model provides a tool for preventing sand from entering a mold opening, which has the following beneficial effects:

[0013] When the utility model is in use, the L-shaped piece located inside the transverse hole can be adjusted according to the different widths of the casting mold, so that the L-shaped piece contacts the left and right sides of the casting mold, and the L-shaped piece is fixed by bolt A. According to the different lengths of the casting mold, the L-shaped piece located inside the longitudinal hole can be adjusted, so that the L-shaped piece contacts the front and back sides of the casting mold, and the L-shaped piece is fixed by bolt A, which has the effect of limiting the casting funnel, avoiding displacement of the casting funnel, ensuring the casting effect, and better meeting the adaptation requirements of casting molds of different specifications.

[0014] In addition, the pouring funnel can be raised and lowered according to the depth of the mold mouth so that the bottom of the pouring funnel is inserted into the mold mouth to avoid sand entering the mold mouth. After the pouring funnel is adjusted, the screw ring is rotated, and the screw ring drives the movable part to move downward, and the movable part drives the steel ball to move inward, so that the steel ball contacts the pouring funnel, which has the effect of clamping and fixing the pouring funnel and ensuring the stability of the pouring funnel.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 The overall axial side structure schematic diagram of the present application is shown;

[0020] Figure 2 A schematic diagram of the connection structure between the main body of the present application and the pouring funnel is shown;

[0021] Figure 3 It shows a schematic diagram of the cross-section structure of the main body and movable parts of the present application;

[0022] Figure 4 The schematic diagram of the axial side structure of the pouring funnel of the present application is shown;

[0023] Figure 5 A schematic diagram of the shaft side structure of the movable part of the present application is shown.

[0024] Reference numerals list

[0025] 1. Main body; 101. Horizontal hole; 1011. Screw hole A; 102. Longitudinal hole; 1021. Screw hole B; 103. Guide hole; 104. Pipe sleeve; 1041. Guide groove; 2. L-shaped part; 3. Bolt A; 4. Bolt B; 5. Casting funnel; 6. Movable part; 601. Vertical through hole; 602. Movable hole; 603. Guide rod; 7. Steel ball; 8. Screw ring. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1: Please refer to Figures 1 to 5 :

[0028] The utility model proposes a tool for preventing sand from entering a mold opening, comprising: a main body 1; four L-shaped pieces 2 are connected inside the main body 1, two bolts A3 and two bolts B4 are connected outside the main body 1, the bolts A3 are connected to the L-shaped pieces 2, and the bolts B4 are connected to the L-shaped pieces 2; a pouring funnel 5 is connected to the center of the main body 1, a movable piece 6 is installed inside the top of the main body 1, the movable piece 6 is sleeved on the outside of the pouring funnel 5, a steel ball 7 is installed inside the top of the main body 1, and the steel ball 7 is connected to the movable piece 6; a spiral ring 8 is connected outside the top of the main body 1, and the spiral ring 8 is connected to the movable piece 6; two transverse holes 101 are symmetrically arranged inside the main body 1, the L-shaped piece 2 is slidably connected to the transverse hole 101, a screw hole A1011 is arranged outside the transverse hole 101, the bolt A3 is threadedly connected to the screw hole A1011, and the inner end of the bolt A3 contacts the L-shaped piece 2 inside the transverse hole 101 Two longitudinal holes 102 are symmetrically arranged inside the main body 1, and the L-shaped member 2 is slidably connected to the longitudinal hole 102. A screw hole B1021 is arranged on the outer side of the longitudinal hole 102, and a bolt B4 is threadedly connected to the screw hole B1021. The inner end of the bolt B4 contacts the L-shaped member 2 inside the longitudinal hole 102. The L-shaped member 2 located inside the transverse hole 101 can be adjusted according to the width of the mold, so that the L-shaped member 2 contacts the left and right sides of the mold, and the L-shaped member 2 is fixed by the bolt A3. According to the length of the mold, the L-shaped member 2 located inside the longitudinal hole 102 can be adjusted so that the L-shaped member 2 contacts the front and back sides of the mold, and the L-shaped member 2 is fixed by the bolt A3, which has the effect of limiting the casting funnel 5, avoiding displacement of the casting funnel 5, ensuring the casting effect, and better meeting the adaptation requirements of molds of different specifications.

[0029] In the embodiment of the present disclosure, a guide hole 103 is provided inside the main body 1, and the pouring funnel 5 passes through the guide hole 103. A pipe sleeve 104 is provided outside the main body 1, and the inner side of the pipe sleeve 104 is inclined. The pipe sleeve 104 is connected to the guide hole 103, and the movable member 6 is slidably connected in the pipe sleeve 104. A vertical through hole 601 is provided inside the movable member 6, and the pouring funnel 5 passes through the vertical through hole 601. The outer side of the movable member 6 is inclined, and the outer inclined surface of the movable member 6 is surrounded by a movable hole 602. The steel ball 7 is located in the movable hole 602, and one end of the steel ball 7 is in contact with the inner inclined surface of the pipe sleeve 104, and the other end of the steel ball 7 is in contact with the outer side of the pouring funnel 5. The pipe sleeve 104 is provided with guide holes on opposite sides. Toward the groove 1041, guide rods 603 are arranged on opposite sides of the movable part 6, the guide rods 603 are slidably connected in the guide groove 1041, the screw ring 8 is threadedly connected to the outside of the pipe sleeve 104, and the bottom of the screw ring 8 is in contact with the guide rod 603; by adopting the above technical scheme, the pouring funnel 5 can be raised and lowered according to the different depths of the mold mouth, so that the bottom of the pouring funnel 5 is inserted into the mold mouth to avoid the occurrence of sand entering the mold mouth. After the pouring funnel 5 is adjusted, the screw ring 8 is rotated, the screw ring 8 drives the movable part 6 to move downward, and the movable part 6 drives the steel ball 7 to move inward, so that the steel ball 7 is in contact with the pouring funnel 5, which has the effect of clamping and fixing the pouring funnel 5 and ensuring the stability of the pouring funnel 5.

[0030] The working principle of this embodiment is as follows: first, the L-shaped piece 2 located inside the transverse hole 101 can be adjusted according to the different widths of the mold, so that the L-shaped piece 2 contacts the left and right sides of the mold, and the L-shaped piece 2 is fixed by bolts A3; next, according to the different lengths of the mold, the L-shaped piece 2 located inside the longitudinal hole 102 is adjusted so that the L-shaped piece 2 contacts the front and back sides of the mold, and the L-shaped piece 2 is fixed by bolts A3, which has the effect of limiting the casting funnel 5 and preventing the casting funnel 5 from being displaced; then, according to the different depths of the mold mouth, the casting funnel 5 is raised and lowered, so that the bottom of the casting funnel 5 is inserted into the mold mouth, and sand is prevented from entering the mold mouth; finally, the screw ring 8 is rotated, the screw ring 8 drives the movable part 6 to move downward, and the movable part 6 drives the steel ball 7 to move inward, so that the steel ball 7 contacts the casting funnel 5, which has the effect of clamping and fixing the casting funnel 5.

[0031] In this article, there are a few points to note:

[0032] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0033] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0034] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. The mold mouth anti-sand tooling is characterized by: include: A main body (1); four L-shaped parts (2) are connected inside the main body (1); two bolts A (3) and two bolts B (4) are connected outside the main body (1); the bolts A (3) are connected to the L-shaped parts (2); the bolts B (4) are connected to the L-shaped parts (2); a pouring funnel (5) is connected to the center of the main body (1); a movable part (6) is installed inside the top of the main body (1); the movable part (6) is sleeved on the outside of the pouring funnel (5); a steel ball (7) is installed inside the top of the main body (1); the steel ball (7) is connected to the movable part (6); a spiral coil (8) is connected to the outside of the top of the main body (1); the spiral coil (8) is connected to the movable part (6).

2. The mold opening anti-sand intrusion tooling according to claim 1, characterized in that: The main body (1) is symmetrically provided with two transverse holes (101), an L-shaped member (2) is slidably connected in the transverse hole (101), a screw hole A (1011) is provided outside the transverse hole (101), a bolt A (3) is threadedly connected in the screw hole A (1011), and the inner end of the bolt A (3) is in contact with the L-shaped member (2) inside the transverse hole (101).

3. The mold opening anti-sand intrusion tooling according to claim 1, characterized in that: The main body (1) is symmetrically provided with two longitudinal holes (102), the L-shaped member (2) is slidably connected in the longitudinal holes (102), a screw hole B (1021) is provided outside the longitudinal hole (102), a bolt B (4) is threadedly connected in the screw hole B (1021), and the inner end of the bolt B (4) is in contact with the L-shaped member (2) inside the longitudinal hole (102).

4. The mold opening anti-sand intrusion tooling according to claim 1, characterized in that: A guide hole (103) is arranged inside the main body (1), and a pouring funnel (5) passes through the guide hole (103). A pipe sleeve (104) is arranged outside the main body (1), and the inner side of the pipe sleeve (104) is inclined. The pipe sleeve (104) is connected to the guide hole (103).

5. The mold opening anti-sand intrusion tooling according to claim 4, characterized in that: The movable part (6) is slidably connected in the pipe sleeve (104), a vertical through hole (601) is arranged inside the movable part (6), a pouring funnel (5) passes through the vertical through hole (601), and the outer side of the movable part (6) is inclined.

6. The mold opening anti-sand intrusion tooling according to claim 4, characterized in that: The movable part (6) is provided with a movable hole (602) in a circumferential shape at the outer inclined surface. The steel ball (7) is located in the movable hole (602). One end of the steel ball (7) contacts the inner inclined surface of the pipe sleeve (104), and the other end of the steel ball (7) contacts the outer side of the pouring funnel (5).

7. The mold opening anti-sand intrusion tooling according to claim 4, characterized in that: The sleeve (104) is provided with guide grooves (1041) on opposite sides, the movable member (6) is provided with guide rods (603) on opposite sides, the guide rods (603) are slidably connected in the guide grooves (1041), the spiral coil (8) is threadedly connected to the outside of the sleeve (104), and the bottom of the spiral coil (8) is in contact with the guide rods (603).

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