Efficient cooling device for casting part production

Abstract

The utility model relates to an efficient cooling device for casting part production. A cooling channel (13) is arranged in a mold body (11); a dovetail groove (21); a double dovetail block (22); a fastening bolt (23); a half thread groove (24); during casting, the two mold bodies (11) are relatively rotated to be attached, the double-dovetail block (22) is slidably inserted into the two correspondingly communicated dovetail grooves (21), so that the two mold bodies (11) are connected and fixed, loosening is avoided in the casting process, then the fastening bolt (23) is screwed into the two half-thread grooves (24), the double-dovetail block (22) is limited, and the two mold bodies (11) are fixed through the fastening bolt (23). The cooling channel (13) is used for cooling the cast mold bodies (11) and a casting part, then the fastening bolt (23) can be screwed out, the double-dovetail block (22) can be pulled out, the two mold bodies (11) can be separated, the casting part can be taken out, operation is convenient, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting equipment, in particular to an efficient cooling device for the production of castings. Background Art

[0002] The production of castings is a production process in which molten metal or non-metal materials are injected into a pre-designed mold, and after cooling and solidifying, a formed casting with a specific shape, size and performance is formed. In order to facilitate the removal of the casting, semi-molds that can be separated and combined are usually used. The Chinese utility model patent with the authorization announcement number CN221184627U discloses a piston rod casting mold with a cooling structure. By setting a fixed connection block, a fixed connection column and a limiting mechanism, it is convenient to connect and fix the two semi-molds to avoid loosening during the casting process. However, the defect of the above solution is that the process of separating and combining the two molds is relatively complicated, the operation is not convenient enough, and the work efficiency is affected. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is that the process of separating and combining the two molds of the existing casting production device is relatively complicated, the operation is not convenient enough, and the work efficiency is affected.

[0004] To solve the above problems, the utility model provides an efficient cooling device for the production of castings. A mold body is rotatably arranged on a bracket. Two mold bodies are arranged opposite to each other and form a cavity. A cooling channel is arranged in the mold body. A dovetail groove is inwardly opened on the mold body. A double dovetail block can be slidably arranged in the dovetail grooves of the two mold bodies together. A fastening bolt is rotatably arranged along the sliding direction of the double dovetail block. A semi-threaded groove is correspondingly opened on the mold body.

[0005] The efficient cooling device for the production of castings provided by the utility model further has the following technical features:

[0006] An installation hole is opened along the sliding direction of the double dovetail block. The semi-threaded groove is coaxially arranged with the installation hole and communicated with the dovetail groove. One end of the fastening bolt is fixed with a connecting rod, and the connecting rod is rotatably connected with the installation hole through a bearing.

[0007] Two bearings are arranged along the axial direction of the installation hole.

[0008] The other end of the fastening bolt is fixed with a limiting protrusion, and a fillet is opened on the limiting protrusion.

[0009] The end of the connecting rod far away from the fastening bolt is fixed with a knob, and anti-slip lines are arranged on the knob.

[0010] A water inlet pipe is arranged on the lower side of the mold body, and a water outlet pipe is arranged on the upper side. The cooling channel is arranged around the cavity. The lower end of the cooling channel is communicated with the water inlet pipe, and the upper end is communicated with the water outlet pipe.

[0011] The cooling channels are curved.

[0012] Positioning protrusions and positioning grooves that cooperate with each other are respectively provided on the two mold bodies.

[0013] The utility model has the following beneficial effects: Rotate the two mold bodies relative to each other until they are in contact, slide the double dovetail block into the two dovetail grooves that are correspondingly connected, so as to connect and fix the two mold bodies, avoid loosening during the casting process, then screw the fastening bolts into the two half-threaded grooves to limit the double dovetail block, cool the mold body and the casting after casting through the cooling channels, and then the fastening bolts can be unscrewed and the double dovetail block can be pulled out, and the two mold bodies can be separated and the casting can be taken out. The operation is convenient and the work efficiency is improved. Description of the Drawings

[0014] Figure 1 is the front view of the utility model;

[0015] Figure 2 is the axonometric view of the mold body;

[0016] Figure 3 is the partial cross-sectional view of the double dovetail block;

[0017] Figure 4 is Figure 1 the motion state change diagram of Detailed Description of the Embodiments

[0018] The utility model will be described in detail below with reference to the drawings and in combination with embodiments. It should be noted that, without conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.

[0019] As Figures 1 to 4 shown, on the high-efficiency cooling device bracket 10 for the production of castings of the utility model, a mold body 11 is rotatably provided. The two mold bodies 11 are arranged opposite to each other and form a cavity 12. A cooling channel 13 is provided in the mold body 11; a dovetail groove 21 is inwardly opened on the mold body 11. A double dovetail block 22 can be slidably arranged in the dovetail grooves 21 of the two mold bodies 11 together. A fastening bolt 23 is rotatably arranged along the sliding direction of the double dovetail block 22. A half-threaded groove 24 is correspondingly opened on the mold body 11.

[0020] Rotate the two mold bodies 11 relative to each other until they are in contact, slide the double dovetail block 22 into the two corresponding communicating dovetail grooves 21 to connect and fix the two mold bodies 11, preventing loosening during the casting process. Then, screw the fastening bolt 23 into the two half-threaded grooves 24 to limit the double dovetail block 22. Cool the cast mold body 11 and the casting through the cooling channels 13. After that, unscrew the fastening bolt 23 and pull out the double dovetail block 22, and the two mold bodies 11 can be separated and the casting can be taken out, which is convenient to operate and improves work efficiency.

[0021] Among them, the outer side of the bottom of the mold body 11 is rotatably connected to the bracket 10; a fillet is provided at the lower end of the merging surface of the two mold bodies 11 to avoid movement interference when the two mold bodies 11 rotate.

[0022] Among them, the double dovetail block 22 is formed by relatively fixing the narrower sides of two dovetail-shaped sliders. A chamfer is provided at the lower end of the double dovetail block 22 to facilitate its insertion into the dovetail groove 21; the dovetail groove 21 communicates with the merging surface of the mold body 11 to facilitate the insertion of the double dovetail block 22 for limiting; the half-threaded groove 24 communicates with the merging surface of the mold body 11 to facilitate the threaded engagement of the two half-threaded grooves 24 with the fastening bolt 23.

[0023] Among them, the fastening bolt 23 extends out of the lower surface of the double dovetail block 22. After the double dovetail block 22 is inserted into the dovetail groove 21, the end of the fastening bolt 23 contacts the half-threaded groove 24 to prepare for the tightening action.

[0024] Among them, the dovetail groove 21 and the double dovetail block 22 can also be other mutually matching shapes. For example, the dovetail groove 21 can be a T-shaped groove, and the corresponding double dovetail block 22 is an I-shaped block; again, the dovetail groove 21 can be composed of a circular groove connected to a linear groove arranged along its radial direction, and the corresponding double dovetail block 22 is composed of circular blocks at both ends and a linear block in the middle.

[0025] Among them, two dovetail grooves 21 are symmetrically arranged about the center line of the cavity 12; the dovetail grooves 21 can be opened on the upper surface or the side surface of the mold body 11; the double dovetail block 22 and the dovetail groove 21 can be in transitional fit or interference fit to prevent the two mold bodies 11 from loosening during the casting process.

[0026] Among them, a support pad is provided at the bottom of the mold body 11 near the merging surface to stably support the mold body 11; the size of the support pad should be such that the two mold bodies 11 can be rotated relative to each other until they are in contact. The support pad can be made of a soft heat-resistant material, such as silicone rubber, acrylic rubber, or fluororubber, etc.

[0027] Preferably, refer to Figure 2 、 3, an installation hole 25 is provided in the double dovetail block 22 along its sliding direction, the semi-threaded groove 24 is coaxially arranged with the installation hole 25 and communicated with the dovetail groove 21; one end of the fastening bolt 23 is fixed with a connecting rod 26, and the connecting rod 26 is rotatably connected to the installation hole 25 through a bearing 27.

[0028] Preferably, two bearings 27 are arranged axially along the installation hole 25 to enhance the connection stability between the connecting rod 26 and the installation hole 25.

[0029] Preferably, the other end of the fastening bolt 23 is fixed with a limit protrusion 28, and a fillet is provided on the limit protrusion 28.

[0030] Among them, the diameter of the limit protrusion 28 is less than or equal to the diameter of the connecting rod 26, so as to facilitate screwing the fastening bolt 23 into the two semi-threaded grooves 24.

[0031] Preferably, a knob 29 is fixed to the end of the connecting rod 26 away from the fastening bolt 23, and anti-slip lines are provided on the knob 29.

[0032] Preferably, referring to Figure 1 、 4 , a water inlet pipe 14 is provided on the lower side of the mold body 11, and a water outlet pipe 15 is provided on the upper side. The cooling channel 13 is arranged around the cavity 12. The lower end of the cooling channel 13 is communicated with the water inlet pipe 14, and the upper end is communicated with the water outlet pipe 15.

[0033] Cooling water flows from bottom to top to cool the cast mold body 11 and the casting, and the cooling effect is good.

[0034] Among them, an adjusting valve is provided on the water inlet pipe 14 for adjusting the water inlet flow rate and the water inlet speed; the water inlet pipe 14 is communicated with the water outlet of the cooling water tank, and the water outlet pipe 15 is communicated with the inlet of the cooling device to cool the heated cooling water for convenient recycling.

[0035] Preferably, the cooling channel 13 is curved.

[0036] Among them, the cooling channel 13 is in a multi-segment continuous S-shaped curved shape to enhance the cooling effect. The S shape can be placed horizontally or vertically, that is, the cooling water can flow back and forth horizontally along the cooling channel 13, or can flow back and forth vertically along the cooling channel 13.

[0037] Preferably, positioning protrusions 16 and positioning grooves 17 that cooperate with each other are respectively provided on the two mold bodies 11.

[0038] Among them, the positioning protrusions 16 and the positioning grooves 17 are both arranged on the mating surface of the mold body 11.

[0039] Among them, handles are provided on the surfaces of the mold body 11 that are far away from each other.

[0040] The working principle of the present utility model is as follows:

[0041] Hold the handle and relatively rotate the two mold bodies 11 until the joint surfaces are in contact. At the same time, the positioning protrusions 16 and the positioning grooves 17 are correspondingly clamped for limiting. Slide the double dovetail blocks 22 into the two correspondingly connected dovetail grooves 21 to connect and fix the two mold bodies 11, so as to avoid loosening during the casting process. See Figure 4 ; Then gradually screw the fastening bolts 23 into the two half-threaded grooves 24 to limit the double dovetail blocks 22 and prevent them from sliding out of the dovetail grooves 21; The cooling water flows from bottom to top to cool the mold body 11 and the casting after casting, and the cooling effect is good; After complete cooling, the fastening bolts 23 can be unscrewed and the double dovetail blocks 22 can be pulled out, then the two mold bodies 11 can be relatively rotated and separated. See Figure 1 , and the casting can be taken out, which is convenient to operate and improves work efficiency.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them; Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: They can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features; And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. A high-efficiency cooling device for casting production, characterized in that: A mold body (11) is rotatably mounted on the bracket (10), the two mold bodies (11) are arranged opposite to each other and form a mold cavity (12), and a cooling channel (13) is arranged in the mold body (11); a dovetail groove (21) is provided inwardly on the mold body (11), and double dovetail blocks (22) are provided in the dovetail grooves (21) of the two mold bodies (11) so as to slide together, and the double dovetail blocks (22) are provided with fastening bolts (23) rotatably along the sliding direction thereof, and a semi-thread groove (24) is correspondingly provided on the mold body (11).

2. The high-efficiency cooling device for casting production according to claim 1, characterized in that: The double dovetail block (22) is provided with a mounting hole (25) along its sliding direction; the semi-threaded groove (24) is coaxially arranged with the mounting hole (25) and communicates with the dovetail groove (21); a connecting rod (26) is fixed to one end of the fastening bolt (23), and the mounting hole (25) is rotatably connected to the connecting rod (26) via a bearing (27).

3. The high-efficiency cooling device for casting production according to claim 2, characterized in that: Two bearings (27) are arranged along the axial direction of the mounting hole (25).

4. The high-efficiency cooling device for casting production according to claim 2, characterized in that: The other end of the fastening bolt (23) is fixed with a limiting protrusion (28), and the limiting protrusion (28) is provided with a rounded corner.

5. The high-efficiency cooling device for casting production according to claim 2, characterized in that: A knob (29) is fixed to the end of the connecting rod (26) away from the fastening bolt (23), and the knob (29) is provided with anti-slip grooves.

6. The high-efficiency cooling device for casting production according to claim 1, characterized in that: A water inlet pipe (14) is provided on the lower side of the mold body (11), and a water outlet pipe (15) is provided on the upper side. The cooling channel (13) is arranged around the mold cavity (12). The lower end of the cooling channel (13) is connected to the water inlet pipe (14), and the upper end is connected to the water outlet pipe (15).

7. The high-efficiency cooling device for casting production according to claim 6, characterized in that: The cooling channel (13) is curved.

8. The high-efficiency cooling device for casting production according to claim 1, characterized in that: The two mold bodies (11) are respectively provided with a positioning protrusion (16) and a positioning groove (17) that cooperate with each other.

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