Spring seat blank, sand mold and casting mold
By designing the spring seat blanks of integrated runner body, riser body and gate body, combined with the coated sand casting process, the problem of high casting costs of spring seats is solved, low-cost and efficient casting effect is achieved, and the removal process of runner body and riser body is simplified.
Patent Information
- Application Number
- CN202422454669.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-11
AI Technical Summary
In the prior art, the casting cost of spring seats is relatively high, and the casting quality is difficult to guarantee.
The laminated sand casting process is adopted to design a spring base blank with a runner body, riser body and gate body as an integrated structure. The upper surface of the connecting body is lower than the upper surface of the bow body or the joint length is smaller than the arc length of the bow body. Combined with specific sand molds and casting molds, it achieves convenient cutting and shrinkage effects.
The casting cost is reduced through the coated sand casting process, the casting efficiency is improved, and the casting requirements can be met, simplifying the removal process of runner body, riser body and gate body.
Smart Images
Figure CN223198016U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of casting, in particular to a spring seat blank, a sand mold and a casting mold. Background Art
[0002] Buffers are a crucial component of a train's coupler system. Their function is to mitigate the longitudinal impulses generated during train operation, absorbing impact energy, improving the smoothness of freight train operation, and preventing damage to the vehicle and cargo. Buffers consist of a housing and a spring system, the latter of which includes a spring seat.
[0003] The spring seat is formed by casting. In the prior art, in order to ensure the casting quality, the casting is carried out by precision casting, which has a high casting cost. Utility Model Content
[0004] The purpose of the utility model is to provide a spring seat blank, a sand mold and a casting mold, wherein the spring seat blank or the spring seat blank cast by the sand mold or the spring seat blank cast by the sand mold made by the casting mold has a good shrinkage compensation effect, and can be cast by a coated sand casting process to make the casting meet the casting requirements, thereby saving costs; at the same time, the runner body, the riser body and the gate body of the spring seat blank can be easily cut off to obtain the spring seat.
[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0006] A spring seat blank comprises a spring seat body, the spring seat body comprising a base plate and a shell disposed on the base plate, an arched body being disposed on each side of the base plate, a runner body being disposed on one of the arched bodies, a riser body being disposed on the runner body, a gate body being disposed on the riser body, the runner body, the riser body and the gate body being an integrated structure; the runner body comprising a connector connected to a first side surface and a first bottom surface of the arched body;
[0007] The upper surface of the connector is lower than the upper surface of the arched body, and / or the joining length between the connector and the first side surface of the arched body is shorter than the arcuate length of the arched body.
[0008] Optionally, the bottom of the arched body is provided with a rounded corner, and the upper surface of the connector is flush with the upper edge of the rounded corner.
[0009] Optionally, the gate body is in an inverted truncated cone shape, and the riser body is in a spherical shape.
[0010] The present utility model also provides a sand mold for casting any one of the spring seat blanks described above, including a coated sand shell and a coated sand core; the coated sand shell includes a first cavity for casting the spring seat body together with the coated sand core, and also includes a runner connected to the first cavity, a riser connected to the runner, and a gate connected to the riser.
[0011] Optionally, the coated sand shell includes a first shell and a second shell, the first shell is provided with a first half cavity, a first half runner, a first half riser and a first half gate, and the second shell is provided with a second half cavity, a second half runner, a second half riser and a second half gate; when the first shell and the second shell are spliced together, the first half cavity and the second half cavity form the first cavity, the first half runner and the second half runner form the runner, the first half riser and the second half riser form the riser, and the first half gate and the second half gate form the gate.
[0012] The present invention also provides a casting mold for making any one of the sand molds described above, including a first mold for making the coated sand shell; the first mold includes a first half mold shell for forming the inner cavity of the first shell and a second half mold shell for forming the outer wall of the first shell, as well as a third half mold shell for forming the inner cavity of the second shell and a fourth half mold shell for forming the outer wall of the second shell; the first half mold shell is provided with a first half-cavity mold body, a first half-runner mold body connected to the first half-runner mold body, a first half-riser mold body connected to the first half-riser mold body, and a first half-gate mold body connected to the first half-riser mold body; the third half mold shell is provided with a second half-cavity mold body, a second half-runner mold body connected to the second half-cavity mold body, a second half-riser mold body connected to the second half-runner mold body, and a second half-gate mold body connected to the second half-riser mold body.
[0013] Optionally, the second half mold shell is provided with a first half cavity groove, a first half runner groove connected to the first half cavity groove, a first half riser groove connected to the first half runner groove, and a first half gate groove connected to the first half riser groove; the fourth half mold shell is provided with a second half cavity groove, a second half runner groove connected to the second half runner groove, a second half riser groove connected to the second half runner groove, and a second half gate groove connected to the second half riser groove;
[0014] The first half-cavity groove, the first half-sprue groove, the first half-riser groove and the first half-gate groove are respectively adapted to the first half-cavity mold body, the first half-sprue mold body, the first half-riser mold body and the first half-gate mold body; the second half-cavity groove, the second half-sprue groove, the second half-riser groove and the second half-gate groove are respectively adapted to the second half-cavity mold body, the second half-sprue mold body, the second half-riser mold body and the second half-gate mold body;
[0015] A plurality of protrusions arranged at intervals are provided in the first half-mold groove and the second half-mold groove, and gaps are left between the protrusions for forming reinforcing ribs on the outer walls of the first shell and the second shell.
[0016] Optionally, a second mold for making a coated sand core is further included, wherein the second mold includes a first mold shell and a second mold shell, the first mold shell is provided with a first groove, and the second mold shell is provided with a second groove.
[0017] In the technical solution of the present invention, a spring seat blank, or a spring seat blank cast using a sand mold, or a spring seat blank cast using a sand mold made from a casting mold, has a good shrinkage compensation effect. Furthermore, the spring seat blank can be cast using a coated sand casting process to meet casting requirements, thereby saving costs. Furthermore, the upper surface of the connector of the runner body is lower than the upper surface of the bow body, and the side lines of the bow body are exposed. During cutting, the cutting can be performed along the side lines of the bow body. Alternatively, the length of the connection between the connector and the first side surface of the bow body is less than the length of the curved surface of the bow body. Thus, a portion of the first side surface of the bow body is exposed, allowing cutting along the first side surface of the bow body. The portion where the connector connects to the first bottom surface of the bow body can be cut or ground along the first bottom surface. This facilitates the removal of the runner body, riser body, and gate body to obtain the spring seat body. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a schematic diagram of a perspective view of a spring seat blank;
[0019] Figure 2 for Figure 1 A schematic diagram of a perspective view from another perspective;
[0020] Figure 3 is a schematic diagram of a perspective view of a spring seat body;
[0021] Figure 4 for Figure 3 A schematic diagram of a perspective drawing from another perspective;
[0022] Figure 5 is a schematic diagram of a perspective view of a first mold for making a coated sand shell;
[0023] Figure 6 for Figure 5 A schematic diagram of an exploded view of
[0024] Figure 7 is a schematic diagram of a perspective view of a second mold for manufacturing a coated sand core;
[0025] Figure 8 for Figure 7 Schematic diagram of the exploded view.
[0026] In the figure, 1, spring seat body; 2, runner body; 3, riser body; 4, gate body; 6, protrusion; 11, bottom plate; 12, shell; 21, connector; 22, transition body; 51, first half mold shell; 52, second half mold shell; 53, third half mold shell; 54, fourth half mold shell; 61, first mold shell; 62, second mold shell; 111, bow body; 511, first half cavity mold body; 512, first half runner mold body; 513, first half riser mold body; 514, first half gate mold body; 521, first half cavity groove ; 522, first half runner groove; 523, first half riser groove; 524, first half gate groove; 531, second half cavity mold; 532, second half runner mold; 533, second half riser mold; 534, second half gate mold; 541, second half cavity groove; 542, second half runner groove; 543, second half riser groove; 544, second half gate groove; 611, first groove; 621, second groove; 1111, first side; 1112, first bottom; 1113, rounded corner. DETAILED DESCRIPTION
[0027] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all possible embodiments consistent with the present invention. Rather, they are merely examples of devices or methods consistent with certain aspects of the present invention.
[0028] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.
[0029] The following embodiments are described with reference to the accompanying drawings. The embodiments described below do not limit the scope of the utility model as set forth in the claims. Furthermore, the entire contents of the configurations shown in the following embodiments are not necessarily required to serve as solutions to the utility model as set forth in the claims.
[0030] See also Figure 1-4 The present invention provides a spring seat blank, comprising a spring seat body 1, the spring seat body 1 comprising a base plate 11 and a shell 12 disposed on the base plate 11. An arched body 111 is provided on each side of the base plate 11. A runner body 2 is provided on the arched body 111, a riser body 3 is provided on the runner body 2, a gate body 4 is provided on the riser body 3, and the runner body 2, the riser body 3 and the gate body 4 are an integrated structure; the runner body 2 may include a connector 21 and may also include a transition body 22, the connector 21 being connected to the first side surface 1111 and the first bottom surface 1112 of the arched body 111. The upper surface of the connector 21 is lower than the upper surface of the arched body 111, and / or the joining length between the connector 21 and the first side surface 1111 of the arched body 111 is less than the arc length of the arched body 111.
[0031] The spring seat blank can be obtained through the coated sand casting process, which has low casting cost and high casting efficiency. After experiments, it can meet the casting requirements. After obtaining the spring seat blank, it is necessary to cut off the runner body 2, riser body 3 and gate body 4 to obtain the spring seat body 1. The spring seat body 1 can be used in the coupler buffer device. Figure 1 Because the upper surface of the connector 21 of the runner body 2 is lower than the upper surface of the bow 111, the side edge of the bow 111 is exposed. During cutting, the cutting can be performed along the side edge of the bow 111. Alternatively, the length of the connection between the connector 21 and the first side surface 1111 of the bow 111 is less than the length of the curved surface of the bow 111. In this way, a portion of the first side surface 1111 of the bow 111 is exposed, and the cutting can be performed along the first side surface 1111 of the bow 111. The portion where the connector 21 connects to the first bottom surface 1112 of the bow 111 can be cut or ground along the first bottom surface 1112. This facilitates the removal of the runner body 2, riser body 3, and gate body 4 to obtain the spring seat body 1. Furthermore, this structure provides a better shrinkage compensation effect for the spring seat blank.
[0032] Optionally, a rounded corner 1113 is provided at the bottom of the arched body 111 , and the upper surface of the connector 21 is flush with the upper edge of the rounded corner 1113 .
[0033] Optionally, the gate body 4 is in an inverted truncated cone shape, and the riser body 3 is in a spherical shape.
[0034] The riser body 3 is spherical here, meaning that the riser body 3 is essentially spherical and can be modified to obtain other shapes based on the spherical shape. The gate body 4 is in the shape of an inverted truncated cone, and the riser body 3 is spherical, which facilitates casting and further enhances the shrinkage feeding effect.
[0035] The utility model also provides a sand mold for casting any one of the spring seat blanks described above, including a coated sand shell and a coated sand core; the coated sand shell includes a first cavity for casting the spring seat body 1 together with the coated sand core, and also includes a runner connected to the first cavity, a riser connected to the runner, and a gate connected to the riser.
[0036] When casting, you need to first make a coated sand shell and a coated sand core, place the coated sand core in the coated sand shell, and then pour the casting liquid.
[0037] Optionally, the coated sand shell includes a first shell and a second shell, the first shell is provided with a first half cavity, a first half runner, a first half riser and a first half gate, and the second shell is provided with a second half cavity, a second half runner, a second half riser and a second half gate; when the first shell and the second shell are spliced together, the first half cavity and the second half cavity form a first cavity, the first half runner and the second half runner form a runner, the first half riser and the second half riser form a riser, and the first half gate and the second half gate form a gate.
[0038] The utility model also provides a casting mold for making any one of the sand molds described above, including a first mold for making a coated sand shell; Figure 5 and Figure 6 The first mold includes a first half mold shell 51 for inner cavity molding of the first shell and a second half mold shell 52 for outer wall molding of the first shell, as well as a third half mold shell 53 for inner cavity molding of the second shell and a fourth half mold shell 54 for outer wall molding of the second shell; the first half mold shell 51 is provided with a first half cavity mold body 511, a first half runner mold body 512 connected to the first half runner mold body 512, a first half riser mold body 513 connected to the first half riser mold body 513, and a first half gate mold body 514 connected to the first half riser mold body 513; the third half mold shell 53 is provided with a second half cavity mold body 531, a second half runner mold body 532 connected to the second half runner mold body 532, and a second half gate mold body 534 connected to the second half riser mold body 533.
[0039] The first half mold shell 51 and the third half mold shell 53 can be an integrated structure, and the second half mold shell 52 and the fourth half mold shell 54 can be an integrated structure. Foundry sand is placed in the first mold and compacted to obtain a first shell and a second shell. The first shell and the second shell can be spliced to obtain a coated sand shell. The first half mold shell 51 and the second half mold shell 52 can press the foundry sand into the first shell, with the first half mold shell 51 used to shape the inner cavity of the first shell and the second half mold shell 52 used to shape the outer wall of the first shell. The third half mold shell 53 and the fourth half mold shell 54 can press the foundry sand into the second shell, with the third half mold shell 53 used to shape the inner cavity of the second shell and the fourth half mold shell 54 used to shape the outer wall of the second shell.
[0040] Optionally, the second half mold shell 52 is provided with a first half cavity groove 521, a first half runner groove 522 communicating with the first half cavity groove 521, a first half riser groove 523 communicating with the first half runner groove 522, and a first half gate groove 524 communicating with the first half riser groove 523; the fourth half mold shell 54 is provided with a second half cavity groove 541, a second half runner groove 542 communicating with the second half runner groove 542, a second half riser groove 543 communicating with the second half runner groove 542, and a second half gate groove 544 communicating with the second half riser groove 543;
[0041] The first half cavity groove 521, the first half runner groove 522, the first half riser groove 523 and the first half gate groove 524 are respectively adapted to the first half cavity mold body 511, the first half runner mold body 512, the first half riser mold body 513 and the first half gate mold body 514; the second half cavity groove 541, the second half runner groove 542, the second half riser groove 543 and the second half gate groove 544 are respectively adapted to the second half cavity mold body 531, the second half runner mold body 532, the second half riser mold body 533 and the second half gate mold body 534;
[0042] A plurality of protrusions 6 arranged at intervals are provided in both the first half-cavity groove 521 and the second half-cavity groove 541 , and gaps are left between the protrusions 6 for forming reinforcing ribs on the outer walls of the first shell and the second shell.
[0043] The structures of the second half mold 52 and the fourth half mold 54 determine the shapes of the outer walls of the first and second shells, respectively. This allows the outer walls of the first and second shells to have similar shapes to the inner cavity. Ribs formed on the outer walls of the first and second shells enhance their strength. This allows a coated sand shell to be produced with sufficient strength, using less foundry sand.
[0044] Alternatively, see Figure 7 and Figure 8 , also includes a second mold for making a coated sand core, the second mold includes a first mold shell 61 and a second mold shell 62, the first mold shell 61 is provided with a first groove 611, and the second mold shell 62 is provided with a second groove 621.
[0045] The second mold is used to make a coated sand core. Foundry sand is placed in the second mold, and the first mold shell 61 and the second mold shell 62 can press the foundry sand into the coated sand core. The shape of the first groove 611 is determined by the shape of the upper half of the coated sand core, and the internal structure of the second groove 621 is determined by the shape of the lower half of the coated sand core.
Claims
1. A spring seat blank, comprising a spring seat body (1), characterized in that: The spring seat body (1) comprises a base plate (11) and a shell (12) arranged on the base plate (11); a bow-shaped body (111) is respectively arranged on both sides of the base plate (11); a runner body (2) is arranged on one of the bow-shaped bodies (111); a riser body (3) is arranged on the runner body (2); a gate body (4) is arranged on the riser body (3); the runner body (2), the riser body (3) and the gate body (4) are an integrated structure; the runner body (2) comprises a connecting body (21); the connecting body (21) is connected to a first side surface (1111) and a first bottom surface (1112) of the bow-shaped body (111); The upper surface of the connector (21) is lower than the upper surface of the arch (111), and / or the joining length between the connector (21) and the first side surface (1111) of the arch (111) is less than the arc length of the arch (111).
2. The spring seat blank according to claim 1, characterized in that The bottom of the arched body (111) is provided with a rounded corner (1113), and the upper surface of the connecting body (21) is flush with the upper edge of the rounded corner (1113).
3. The spring seat blank according to claim 1, characterized in that: The gate body (4) is in an inverted truncated cone shape, and the riser body (3) is in a spherical shape.
4. A sand mold, characterized in that: Used for casting a spring seat blank as described in any one of claims 1 to 3, comprising a coated sand shell and a coated sand core; the coated sand shell comprises a first cavity for casting the spring seat body (1) together with the coated sand core, and also comprises a runner connected to the first cavity, a riser connected to the runner, and a gate connected to the riser.
5. The sand mold according to claim 4, characterized in that The coated sand shell includes a first shell and a second shell, the first shell is provided with a first half cavity, a first half runner, a first half riser and a first half gate, and the second shell is provided with a second half cavity, a second half runner, a second half riser and a second half gate; when the first shell and the second shell are spliced together, the first half cavity and the second half cavity form the first cavity, the first half runner and the second half runner form the runner, the first half riser and the second half riser form the riser, and the first half gate and the second half gate form the gate.
6. A casting mold, characterized in that: Used to make the sand mold as claimed in claim 5, comprising a first mold for making the coated sand shell; the first mold comprises a first half mold shell (51) for forming the inner cavity of the first shell and a second half mold shell (52) for forming the outer wall of the first shell, as well as a third half mold shell (53) for forming the inner cavity of the second shell and a fourth half mold shell (54) for forming the outer wall of the second shell; the first half mold shell (51) is provided with a first half cavity mold body (511), a first half runner mold body connected to the first half cavity mold body (511) (512), a first half riser mold body (513) connected to the first half runner mold body (512), and a first half gate mold body (514) connected to the first half riser mold body (513); the third half mold shell (53) is provided with a second half cavity mold body (531), a second half runner mold body (532) connected to the second half cavity mold body (531), a second half riser mold body (533) connected to the second half runner mold body (532), and a second half gate mold body (534) connected to the second half riser mold body (533).
7. The casting mold according to claim 6, wherein: The second half mold shell (52) is provided with a first half cavity groove (521), a first half runner groove (522) connected to the first half cavity groove (521), a first half riser groove (523) connected to the first half runner groove (522), and a first half gate groove (524) connected to the first half riser groove (523); the fourth half mold shell (54) is provided with a second half cavity groove (541), a second half runner groove (542) connected to the second half runner groove (542), a second half riser groove (543) connected to the second half runner groove (542), and a second half gate groove (544) connected to the second half riser groove (543); The first half-cavity groove (521), the first half-runner groove (522), the first half-riser groove (523) and the first half-gate groove (524) are respectively adapted to the first half-cavity mold body (511), the first half-runner mold body (512), the first half-riser mold body (513) and the first half-gate mold body (514); the second half-cavity groove (541), the second half-runner groove (542), the second half-riser groove (543) and the second half-gate groove (544) are respectively adapted to the second half-cavity mold body (531), the second half-runner mold body (532), the second half-riser mold body (533) and the second half-gate mold body (534); A plurality of spaced protrusions (6) are provided in the first half-cavity groove (521) and the second half-cavity groove (541), and gaps are left between the protrusions (6) for forming reinforcing ribs on the outer walls of the first shell and the second shell.
8. The casting mold according to claim 6, wherein: The invention also includes a second mold for making a coated sand core, wherein the second mold includes a first mold shell (61) and a second mold shell (62), wherein the first mold shell (61) is provided with a first groove (611), and the second mold shell (62) is provided with a second groove (621).