A cooling device for cast steel billets
By designing a cooling device for cast steel blanks that controls airflow speed using a pulley and sealing cloth, the problem of damage caused by temperature difference during water cooling of cast steel blanks was solved, achieving uniform cooling and improved stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LESHAN RUIYUAN MASCH MFG CO LTD
- Filing Date
- 2025-08-19
- Publication Date
- 2026-07-21
AI Technical Summary
Existing cooling devices for cast steel blanks have a large temperature difference between the part submerged in water and the part above water during water cooling, which can easily lead to cooling damage to the cast steel blanks.
A cooling device comprising a cooling box, guide rail, trolley, connecting shaft, sealing cloth, and fan was designed. The airflow rate is controlled by the sliding structure of the trolley and the wrapping of the sealing cloth to gradually cool the cast steel blank and prevent deformation or cracking.
Uniform cooling was achieved, avoiding deformation or cracking of the cast steel blank and improving cooling efficiency and stability.
Smart Images

Figure CN224525983U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cast steel blank production technology, specifically a cooling device for cast steel blanks. Background Technology
[0002] After the cast steel blank is produced, its internal temperature is still relatively high due to its thickness. If it is not cooled down properly, the cast steel blank will crack or deform, thus affecting its use.
[0003] Existing cooling devices for cast steel blanks mostly rely on water cooling. However, when the cast steel blank is placed in water, the temperature difference between the submerged part and the part above water is large, which can easily lead to cooling damage to the cast steel blank. Utility Model Content
[0004] The purpose of this utility model is to provide a cooling device for cast steel blanks to solve the problem mentioned in the background art. Currently, most cooling devices for cast steel blanks rely on water cooling, but when the cast steel blank is placed in water, the temperature difference between the part submerged in water and the part above water is large, which can easily lead to cooling damage to the cast steel blank.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a cooling device for cast steel blanks, comprising: The cooling box has a guide rail at the bottom and a trolley above the guide rail. The right end of the trolley is connected to a door panel, and a sleeve is provided at the bottom right side of the door panel. A pin is provided inside the sleeve. The cooling box has an air inlet and an air outlet on the front and rear sides, respectively, and a fan is installed inside the air outlet. A connecting shaft is provided above the air inlet, and a gear is connected to the right end of the connecting shaft. A sealing cloth is provided on the outside of the connecting shaft, and a counterweight is provided below the sealing cloth. A rack is provided on the inside of the gear, and a screw is connected to the top of the rack. A screw sleeve is provided on the top of the screw, and the screw sleeve is fixedly connected to the cooling box.
[0006] Preferably, the trolley forms a sliding structure with the cooling box via a guide rail, and holes are provided in the middle and right end of the guide rail.
[0007] Preferably, the pin is movably connected to the sleeve, and the sleeve engages with the hole in the guide rail via the pin.
[0008] Preferably, the cooling box has air inlets and air outlets at equal intervals on both the front and rear sides, and two sets of air inlets and air outlets are arranged vertically and vertically respectively.
[0009] Preferably, there are two connecting shafts arranged vertically, and the connecting shafts mesh with a gear and a rack.
[0010] Preferably, the sealing cloth is wound around the outside of the connecting shaft at equal intervals, and the sealing cloth is arranged in a one-to-one correspondence with the air inlet.
[0011] Preferably, the bottom of the screw is rotatably connected to the rack, and the top of the screw penetrates through the top of the cooling box. The screw, together with the sealing cloth, forms a transmission mechanism through the rack, gear, and connecting shaft.
[0012] Compared with the prior art, the beneficial effects of this utility model are: the casting steel blank cooling device can cool a large number of casting steel blanks at one time by setting the trolley, and by controlling the size of the air inlet, the air flow rate in the cooling box can be controlled, which facilitates the gradual cooling of the casting steel blanks and avoids deformation or cracks in the casting steel blanks. 1. A guide rail and a trolley are provided. The trolley and the guide rail form a sliding structure, which facilitates the entry of the cast steel blank into the cooling box. The trolley can be locked with a pin in the hole in the guide rail, which facilitates the fixing of the trolley and thus facilitates its use. 2. A connecting shaft and a sealing cloth are set up. The sealing cloth and the connecting shaft form a winding mechanism. The size of the air inlet opening is controlled by the amount of sealing cloth wound, which facilitates the control of the air flow rate in the cooling box, facilitates the gradual cooling of the cast steel blank, and avoids deformation or cracks in the cast steel blank. In addition, the stability of the sealing cloth is improved by the use of counterweights. 3. A screw and rack are provided, which are rotatably connected. The screw rotates and drives the rack to move. Through the meshing of the rack and gear, the connecting shaft is driven to rotate, providing power for the winding of the sealing fabric. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the trolley in the sliding state of this utility model; Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a frontal sectional view of the present invention. Figure 5 This is a side view sectional diagram of the present invention.
[0014] In the diagram: 1. Cooling box; 2. Guide rail; 3. Trolley; 4. Door panel; 5. Sleeve; 6. Pin; 7. Air inlet; 8. Air outlet; 9. Fan; 10. Connecting shaft; 11. Gear; 12. Rack; 13. Sealing cloth; 14. Counterweight; 15. Screw; 16. Screw sleeve. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] Please see Figure 1-5 This utility model provides a technical solution: a cooling device for cast steel blanks, comprising: a cooling box 1, a guide rail 2, a trolley 3, a door panel 4, a sleeve 5, a pin 6, an air inlet 7, an air outlet 8, a fan 9, a connecting shaft 10, a gear 11, a rack 12, a sealing cloth 13, a counterweight 14, a screw 15, and a screw sleeve 16. Cooling box 1, with guide rail 2 at the bottom and trolley 3 above the guide rail 2. Door panel 4 is connected to the right end of trolley 3, and sleeve 5 is provided at the bottom right side of door panel 4. Pin 6 is provided inside sleeve 5. Air inlet 7 and air outlet 8 are provided on the front and rear sides of cooling box 1 respectively, and fan 9 is installed inside air outlet 8. A connecting shaft 10 is positioned above the air inlet 7, and a gear 11 is connected to the right end of the connecting shaft 10. A sealing cloth 13 is provided on the outside of the connecting shaft 10, and a counterweight 14 is provided below the sealing cloth 13. A rack 12 is provided on the inside of the gear 11, and a screw 15 is connected to the top of the rack 12. A screw sleeve 16 is provided on the top of the screw 15, and the screw sleeve 16 is fixedly connected to the cooling box 1.
[0017] like Figure 1 , Figure 2 and Figure 3 The trolley 3 forms a sliding structure with the cooling box 1 via the guide rail 2. Holes are provided in the middle and right end of the guide rail 2 to facilitate the movement of the trolley 3. The pin 6 is movably connected to the sleeve 5, and the sleeve 5 is engaged with the hole in the guide rail 2 via the pin 6 to facilitate the fixation of the trolley 3. Air inlets 7 and air outlets 8 are provided at equal intervals on both the front and rear sides of the cooling box 1. Two sets of air inlets 7 and air outlets 8 are provided vertically to facilitate the air circulation in the cooling box 1, thereby facilitating the cooling and temperature reduction of the steel column blank.
[0018] like Figure 1 , Figure 4 and Figure 5Two connecting shafts 10 are arranged vertically, and the connecting shafts 10 mesh with the rack 12 via the gear 11, which facilitates the rotation of the connecting shafts 10. The sealing cloth 13 is wrapped around the outside of the connecting shafts 10 at equal intervals, and the sealing cloth 13 is arranged one-to-one with the air inlet 7, which facilitates the control of the size of the air inlet 7. The bottom of the screw 15 is rotatably connected to the rack 12, and the top of the screw 15 penetrates the top of the cooling box 1. The screw 15 forms a transmission mechanism with the rack 12, the gear 11, the connecting shafts 10, and the sealing cloth 13, which facilitates the movement of the rack 12.
[0019] Working principle: When using this cast steel blank cooling device, if... Figure 1 As shown, the cast steel blank is placed on the trolley 3. By pushing the trolley 3, the trolley 3 enters the cooling box 1, and the door panel 4 is made to fit against the cooling box 1. The trolley 3 is fixed by inserting the pin 6 into the hole in the guide rail 2. like Figure 5 As shown, by starting the fan 9, airflow is generated in the cooling box 1 through the air inlet 7 and the air outlet 8, thereby removing the heat from the cooling box 1 and cooling the cast steel blank. By rotating the screw 15, the screw 15 drives the rack 12 to move under the action of the screw sleeve 16. During the movement of the rack 12, the connecting shaft 10 is driven to rotate through the gear 11, thereby causing the connecting shaft 10 to roll up or unroll the sealing cloth 13 to adjust the size of the air inlet 7 and thus control the heat dissipation effect. The sealing cloth 13 is stabilized by the use of the counterweight 14. This is the entire working process of the cooling device for the cast steel blank. The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0020] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.
[0021] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A cooling device for cast steel blanks, characterized in that, include: Cooling box (1), the bottom of the cooling box (1) is provided with a guide rail (2), and a trolley (3) is provided above the guide rail (2). The right end of the trolley (3) is connected to a door panel (4), and a sleeve (5) is provided at the bottom right side of the door panel (4). A pin (6) is provided inside the sleeve (5). An air inlet (7) and an air outlet (8) are respectively opened on the front and rear sides of the cooling box (1), and a fan (9) is installed inside the air outlet (8). A connecting shaft (10) is provided above the air inlet (7), and a gear (11) is connected to the right end of the connecting shaft (10). A sealing cloth (13) is provided on the outside of the connecting shaft (10), and a counterweight (14) is provided below the sealing cloth (13). A rack (12) is provided on the inside of the gear (11), and a screw (15) is connected to the top of the rack (12). A screw sleeve (16) is provided on the top of the screw (15), and the screw sleeve (16) is fixedly connected to the cooling box (1).
2. The cooling device for cast steel blanks according to claim 1, characterized in that: The trolley (3) forms a sliding structure with the cooling box (1) through the guide rail (2), and holes are provided in the middle and right end of the guide rail (2).
3. The cooling device for cast steel blanks according to claim 1, characterized in that: The pin (6) is movably connected to the sleeve (5), and the sleeve (5) engages with the hole in the guide rail (2) through the pin (6).
4. The cooling device for cast steel blanks according to claim 1, characterized in that: The cooling box (1) has an air inlet (7) and an air outlet (8) at equal intervals on both the front and rear sides, and the air inlet (7) and the air outlet (8) are arranged in two sets corresponding to each other.
5. A cooling device for cast steel blanks according to claim 1, characterized in that: Two connecting shafts (10) are provided on the top and bottom respectively, and the connecting shafts (10) mesh with the rack (12) through the gear (11).
6. A cooling device for cast steel blanks according to claim 1, characterized in that: The sealing cloth (13) is wound around the outside of the connecting shaft (10) at equal intervals, and the sealing cloth (13) is set in a one-to-one correspondence with the air inlet (7).
7. A cooling device for cast steel blanks according to claim 1, characterized in that: The bottom of the screw (15) is rotatably connected to the rack (12), and the top of the screw (15) penetrates the top of the cooling box (1). The screw (15) and the sealing cloth (13) form a transmission mechanism through the rack (12), gear (11) and connecting shaft (10).