Cooling device of core shooter
By designing two cooling structures in the core injection machine, using components such as coolant plates and air-cooled fans, the problem of sand curing caused by rising cylinder temperature is solved, and comprehensive cooling of the cylinder is achieved, ensuring the fluidity of the sand and the normal operation of the core injection machine.
Patent Information
- Application Number
- CN202421276578.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-05
AI Technical Summary
When the existing core-filler cooling device is working, the temperature of the cylinder and surrounding parts increases, causing the molded sand to solidify and reduce the fluidity of the molded sand inside the cylinder.
A cooling device for core injection machine is designed, adopting two cooling structures: one is to transport the coolant to the injection cylinder through a coolant plate and an infusion tube for liquid cooling, and the other is to transport the cold air to the injection cylinder through a cooling fan for air cooling, and combine a heat sink and an electric liquid pump to improve the heat dissipation effect.
This device can effectively prevent the curing of the molded sand inside the spray cylinder, ensure the fluidity of the molded sand, and ensure the normal operation of the core spray machine.
Smart Images

Figure CN222817909U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of core shooting machines, in particular to a cooling device for core shooting machines. Background Art
[0002] Injection type Styling Machine It uses compressed air to molding sand Inject evenly Sand box Pre-compact, then apply pressure to compact. Commonly used are vertical parting without box Injection molding machine The vertical parting flaskless injection molding machine does not use a sand box, and the molding sand is directly injected into the molding chamber with a template. sand mold The dimensional accuracy is high, there are cavities on both sides of the sand box, and the productivity is high, but it is difficult to put the core in, and the quality of the molding sand is strictly required. The horizontal parting and stripping box shot-pressing molding machine uses the sand box for molding. After the sand mold is made, the mold is closed and the box is stripped. It is convenient to put the core in and has high productivity. The cooling device is installed on the shooting barrel of the core shooting machine to cool the shooting barrel and prevent the internal molding sand from being too hot and solidifying.
[0003] As shown in the application number: CN201610276869.8, this patent relates to the field of casting molding technology, and discloses a core shooting machine cooling device, including an air cooling device, and also including a semi-enclosed cover with an opening at the bottom, the shooting bucket is located in the semi-enclosed cover, the semi-enclosed cover includes an upper sealing plate and a plurality of side sealing plates, the upper sealing plate is connected to the frame, the plurality of side sealing plates are connected end to end, and the tops of the plurality of side sealing plates are all connected to the upper sealing plate; the side sealing plates are connected to the air cooling device. The cold air device emits cold air, which enters the semi-enclosed cover through the ventilation holes on the side sealing plates. Due to the continuity of the cold air input, it can continuously take away the heat of the outer surface of the shooting bucket in the semi-enclosed cover, thereby cooling the outer surface of the shooting bucket.
[0004] Similar to the above application, there are still the following deficiencies:
[0005] When the existing device is working, the temperature of the core shooter barrel and surrounding parts will rise, and the molding sand will solidify due to the excessively high temperature, thereby reducing the fluidity of the molding sand inside the barrel.
[0006] Therefore, in view of this, the existing structure and defects are studied and improved, and a core shooting machine cooling device is proposed, in order to achieve a more practical purpose. Utility Model Content
[0007] The utility model aims to provide a cooling device for a core shooting machine to solve the problems raised in the above background technology.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a core shooting machine cooling device, comprising a shooting cylinder sleeve and a cooling fan, the outer wall of the shooting cylinder sleeve is provided with a mounting block, and limit bolts are passed through both ends of the mounting block, an insertion rod is passed through the interior of the mounting block, the cooling fan is installed at the upper end of the insertion rod, an air outlet is provided in the middle of the inner wall of the cooling fan, and fitting strips are arranged around the inner wall of the cooling fan, and a coolant plate is arranged on the inner wall of the shooting cylinder sleeve.
[0009] Furthermore, an infusion tube is arranged on the outside of the first shooting tube sleeve, and an electric liquid pump is installed below the infusion tube.
[0010] Furthermore, a heat sink is installed on the front side of the outer wall of the first shooting tube sleeve, and two groups of heat sinks are provided.
[0011] Furthermore, a second shooting barrel sleeve is provided on the right side of the first shooting barrel sleeve, and the first shooting barrel sleeve and the second shooting barrel sleeve form a hollow cylindrical shape.
[0012] Furthermore, an adhesive pad is arranged on the inner wall of the coolant plate, and the shape and structure of the coolant plate are consistent with the shape and structure of the first and second shooting tube sleeves.
[0013] Furthermore, a groove is formed at the end of the first shooting tube sleeve, and a protruding block is fixed at the end of the second shooting tube sleeve.
[0014] Furthermore, the groove opening and the protruding block are snap-fitted and connected, and the groove opening and the protruding block are symmetrically distributed about the center of the first shooting barrel sleeve and the second shooting barrel sleeve.
[0015] Compared with the prior art, the beneficial effect of the utility model is that the core shooting machine cooling device adopts two cooling structures, which can comprehensively cool the shooting barrel of the core shooting machine, effectively prevent the solidification of the molding sand inside the shooting barrel, ensure the fluidity of the molding sand, and ensure the normal operation of the core shooting machine.
[0016] 1. The utility model can transport the coolant to the inside of the coolant plate through the infusion tube. The coolant plate can contact the shooting cylinder to cool the shooting cylinder, reduce the temperature inside the shooting cylinder, prevent the molding sand from solidifying, and ensure the fluidity of the molding sand. The electric liquid pump can quickly discharge the used coolant inside the coolant plate. The heat sink can diffuse the heat of the coolant plate into the surrounding air, thereby improving the heat dissipation and cooling effect.
[0017] 3. The utility model can deliver cold air to the interior of the first and second barrel sleeves through the cooling fan, accelerate the fluidity of the air between the two, make the cold air contact with the internal air alternately, thereby realizing the air cooling of the barrel, and the snap connection between the groove mouth and the protruding block can connect the first and second barrel sleeves, thereby improving the stability between the first and second barrel sleeves. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the main three-dimensional structure of a cooling device for a core shooting machine according to the utility model;
[0019] Figure 2 This is a schematic diagram of the cooling fan structure of a core shooting machine cooling device of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of a cooling liquid plate of a core shooting machine cooling device of the utility model;
[0021] Figure 4 The utility model is a schematic diagram of the top view structure of a shooting barrel sleeve 1 and a shooting barrel sleeve 2 of a core shooting machine cooling device.
[0022] In the figure: 1. Shooting tube sleeve 1; 2. Cooling liquid plate; 3. Infusion tube; 4. Electric liquid pump; 5. Heat sink; 6. Shooting tube sleeve 2; 7. Mounting block; 8. Limit bolt; 9. Cooling fan; 10. Fitting strip; 11. Air outlet; 12. Insert rod; 13. Adhesive pad; 14. Groove mouth; 15. Raised block. DETAILED DESCRIPTION
[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0024] like Figure 1-Figure 4As shown, a cooling device for a core shooting machine comprises a shooting sleeve 1 and a cooling fan 9, the outer wall of the shooting sleeve 1 is provided with a mounting block 7, and both ends of the mounting block 7 are penetrated with limit bolts 8, the interior of the mounting block 7 is penetrated with an insertion rod 12, the cooling fan 9 is installed at the upper end of the insertion rod 12, an air outlet 11 is provided at the middle of the inner wall of the cooling fan 9, and a fitting strip 10 is arranged around the inner wall of the cooling fan 9, a coolant plate 2 is arranged on the inner wall of the shooting sleeve 1, and an infusion tube is arranged on the outer side of the shooting sleeve 1 3, and an electric liquid pump 4 is installed below the infusion tube 3, a heat sink 5 is installed on the front side of the outer wall of the shooting tube sleeve 1, and the heat sink 5 is provided with two groups, a shooting tube sleeve 2 6 is provided on the right side of the shooting tube sleeve 1, and the shooting tube sleeve 1 and the shooting tube sleeve 2 6 form a hollow cylindrical shape, an adhesive pad 13 is arranged on the inner wall of the coolant plate 2, and the shape and structure of the coolant plate 2 are consistent with the shape and structure of the shooting tube sleeve 1 and the shooting tube sleeve 2 6, a groove 14 is opened at the end of the shooting tube sleeve 1, and the end of the shooting tube sleeve 2 6 is fixed A protruding block 15 is fixed, and the groove opening 14 is connected with the protruding block 15 in a snap-fitting manner, and the groove opening 14 and the protruding block 15 are symmetrically distributed about the center of the shooting tube sleeve 1 and the shooting tube sleeve 2 6. The coolant can be transported to the inside of the coolant plate 2 through the infusion pipe 3, and the coolant plate 2 can contact with the shooting tube to cool the shooting tube, reduce the temperature inside the shooting tube, prevent the molding sand from solidifying, and ensure the fluidity of the molding sand. The electric liquid pump 4 can quickly discharge the used coolant inside the coolant plate 2, and the heat sink 5 can diffuse the heat of the coolant plate 2 to the surrounding air to improve the heat dissipation and cooling effect; the cold air can be transported to the inside of the shooting tube sleeve 1 and the shooting tube sleeve 2 6 through the cooling fan 9, accelerate the fluidity of the air between the two, so that the cold air contacts the internal air alternately, thereby realizing the air cooling work of the shooting tube, and the snap-fitting connection between the groove opening 14 and the protruding block 15 can connect the shooting tube sleeve 1 and the shooting tube sleeve 2 6, thereby improving the stability between the shooting tube sleeve 1 and the shooting tube sleeve 2 6.
[0025] Working principle: When the core shooting machine cooling device is in use, first Figure 1-Figure 4, place the shooting barrel sleeve 1 and the shooting barrel sleeve 2 6 on the outside of the shooting barrel respectively, and at the same time, the protruding block 15 at the end of the shooting barrel sleeve 2 6 enters the groove 14 inside the shooting barrel sleeve 1, so that the shooting barrel sleeve 1 and the shooting barrel sleeve 2 6 can be connected, and then the mounting block 7 is placed on the outer wall of the shooting barrel sleeve 1 and the shooting barrel sleeve 2 6, and the ends of the mounting block 7 are connected to the outer wall of the shooting barrel sleeve 1 and the shooting barrel sleeve 2 6 by using the limiting bolt 8, so that the shooting barrel sleeve 1 and the shooting barrel sleeve 2 6 can be limited. After fixing, the insertion rod 12 at the bottom of the cooling fan 9 is placed inside the mounting block 7. The cooling fan 9 is then pressed so that the fitting strips 10 on its inner wall are respectively fitted with the outer walls of the barrel sleeve 1 and the barrel sleeve 2 6, so that the cooling fan 9 can be fixed. After assembly, the coolant enters the coolant plate 2 from the infusion pipe 3, and the coolant plate 2 wraps the barrel, which can directly cool the barrel. Secondly, the cooling fan 9 is turned on to transport cold air to the inside of the barrel sleeve 1 and the barrel sleeve 2 6, accelerating the fluidity of the air between the two, so that the cold air contacts the internal air alternately, thereby realizing the air cooling of the barrel.
[0026] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
Claims
1. A core shooting machine cooling device, comprising a shooting barrel sleeve (1) and a cooling fan (9), characterized in that: The outer wall of the shooting tube sleeve (1) is provided with a mounting block (7), and both ends of the mounting block (7) are penetrated with limit bolts (8), the interior of the mounting block (7) is penetrated with an insertion rod (12), the cooling fan (9) is installed on the upper end of the insertion rod (12), the middle part of the inner wall of the cooling fan (9) is provided with an air outlet (11), and the inner wall of the cooling fan (9) is surrounded by fitting strips (10), and the inner wall of the shooting tube sleeve (1) is provided with a cooling liquid plate (2).
2. A core shooting machine cooling device according to claim 1, characterized in that: A liquid infusion tube (3) is arranged on the outside of the shooting tube sleeve (1), and an electric liquid extraction pump (4) is installed below the liquid infusion tube (3).
3. A core shooting machine cooling device according to claim 1, characterized in that: A heat sink (5) is installed on the front side of the outer wall of the barrel sleeve (1), and two groups of heat sinks (5) are provided.
4. A core shooting machine cooling device according to claim 1, characterized in that: A second shooting tube sleeve (6) is arranged on the right side of the first shooting tube sleeve (1), and the first shooting tube sleeve (1) and the second shooting tube sleeve (6) form a hollow cylindrical shape.
5. A core shooting machine cooling device according to claim 4, characterized in that: An adhesive pad (13) is arranged on the inner wall of the cooling liquid plate (2), and the shape and structure of the cooling liquid plate (2) are consistent with the shape and structure of the shooting tube sleeve 1 (1) and the shooting tube sleeve 2 (6).
6. A core shooting machine cooling device according to claim 4, characterized in that: The end of the first shooting tube sleeve (1) is provided with a groove opening (14), and the end of the second shooting tube sleeve (6) is fixed with a protruding block (15).
7. A core shooting machine cooling device according to claim 6, characterized in that: The groove opening (14) and the protruding block (15) are connected by snapping, and the groove opening (14) and the protruding block (15) are symmetrically distributed about the center of the first shooting tube sleeve (1) and the second shooting tube sleeve (6).