A warm core box core shooting machine

By designing a warm-core box core shooting machine, using technical means such as mold clamping cylinder, sand shooting walking cylinder and air blowing device, the uniformity and efficient production of sand casting are achieved, and the problems of uneven curing, low production efficiency and poor environmental protection in the existing technology are solved, and the efficient and environmentally friendly sand casting effect is achieved.

CN222710769UActive Publication Date: 2025-04-04QINGDAO YUKAI MASCH MFG CO LTD
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Patent Information

Application Number
CN202421442537.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-04
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The existing hot-core box core injection machine has uneven curing and long curing time, which affects production efficiency. The cold-core box core injection machine is not environmentally friendly and has a irritating odor, and cannot guarantee production efficiency and environmental protection at the same time.

Method used

A warm-core box core injection machine is designed, and the mold-combining die-casting operation is carried out through the mold-combining cylinder and the static molding plate are driven by the mold-combining cylinder and the compression cylinder to uniformly spray the mold sand into the sand box, and warm gas is provided through the blowing device and the gas heating device to achieve uniform sand casting.

Benefits of technology

The temperature-core box core shooting machine realizes uniformity and efficient production of sand casting, improves production efficiency, and is relatively environmentally friendly, solving the problems of uneven curing, low production efficiency and poor environmental protection in the prior art.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sand casting, and discloses a warm core box core shooting machine, including a mounting frame, wherein a static mold plate, a movable mold plate and a clamping cylinder are arranged on the inner side of the mounting frame, wherein the static mold plate is located between the movable mold plate, and the movable mold plate corresponds to the clamping cylinder position, and a bracket plate is arranged at the output end of the clamping cylinder. The utility model performs clamping die casting operation through the movable mold plate and the static mold plate, and the sand shooting device is placed just above the sand box, and the molding sand is uniformly shot into the sand box for pre-tightening by using compressed air. The clamping cylinder plays a die casting role during sand shooting and air blowing, and then the air blowing device is moved to the top of the casting sand box, and the gas heating device is used to guide the warm gas into the mold sand box. The sand casting has good uniformity and high molding efficiency. The overall production is automated, and the production efficiency is high, so that the device has the ability of warm core box sand casting, the casting sand is uniform, the production efficiency is improved, and it is relatively environmentally friendly.
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Description

Technical Field

[0001] The utility model relates to the technical field of sand casting, in particular to a warm core box core shooting machine. Background Art

[0002] With the rapid development of modern manufacturing industry, especially in the field of sand casting, the performance and precision requirements of core shooting machines are increasing day by day. The injection molding machine uses compressed air to evenly shoot the molding sand into the sand box for pre-compaction, and then applies pressure for compaction. The core making machine uses the core box process to make sand shell cores. Its working process is to fill sand and compact it at the same time, and harden it immediately in the core box, which reduces labor intensity, is flexible and easy to operate, easy to master, and easy to keep clean at work, creating conditions for the mechanization and automation of the core making process.

[0003] The current core shooting machines are divided into hot core box core shooting machines and cold core box core shooting machines according to the curing method. The hot core box core shooting machine is cured by high temperature heating, and has disadvantages such as uneven curing and long curing time, which affects production efficiency; the cold core box core shooting machine solves the problem of production efficiency, but it is not environmentally friendly and has a pungent odor. Both hot and cold curing have their own disadvantages, and the performance is relatively insufficient. It is impossible to ensure production efficiency while maintaining environmental stability. For this reason, we propose a warm core box core shooting machine to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a warm core box core shooting machine, which has the advantages of warm core box sand casting capability, uniform sand casting, improved production efficiency, and is relatively environmentally friendly. It solves the problem that the existing hot core box sand casting has insufficient solidification uniformity and high production efficiency, while the cold core box has poor environmental protection and has a pungent odor.

[0005] In order to achieve the above-mentioned warm core box sand casting capacity, uniform casting sand, improved production efficiency, and relatively environmentally friendly purposes, the utility model provides the following technical solutions: a warm core box core shooting machine, including a mounting frame, the inner side of which is provided with a static template, a movable template and a clamping cylinder;

[0006] The static template is located between the dynamic templates, the dynamic template corresponds to the position of the clamping cylinder, a bracket plate is provided at the output end of the clamping cylinder, a guide mechanism is integrally provided on the static template, the dynamic template and the bracket plate, and a sand shooting device, a sand shooting travel cylinder and a valve plate cylinder are provided on the top of the mounting frame;

[0007] A sand storage cylinder, a pressing cylinder, a gas storage tank and a gas heating device are arranged on the top of the mounting frame. The sand storage cylinder corresponds to and is connected with the sand shooting device. The gas storage tank is connected with the sand shooting device. The pressing cylinder corresponds to the static template and the dynamic template.

[0008] A blowing device and a blowing travel cylinder are correspondingly arranged on the top of the inner side of the mounting frame, the blowing device corresponds to the position of the static template, and the blowing device is connected to the gas heating device;

[0009] The movable template and the bracket plate are slidably connected to the threads of the guide mechanism, and the sand-shooting device and the air-blowing device are both slidably connected to the inner bottom wall of the mounting frame.

[0010] Preferably, the output end of the sand-shooting walking cylinder is arranged on the side of the sand-shooting device, the top of the sand-shooting walking cylinder is fixedly connected to the mounting frame, the sand-shooting walking cylinder is retractable as a whole, and the sand-shooting device is displaced by the sand-shooting walking cylinder.

[0011] Preferably, the valve plate cylinder is fixedly connected to the inner top wall of the mounting frame, the closing plate of the valve plate cylinder is correspondingly arranged directly below the sand storage cylinder, the valve plate cylinder is retractable as a whole, and the sand outlet of the sand storage cylinder is opened and closed by the valve plate cylinder.

[0012] Preferably, the air blowing travel cylinder is fixedly connected to the inner top wall of the mounting frame, the output end of the air blowing travel cylinder is connected to the air blowing device, and the air blowing device is pushed and displaced by the air blowing travel cylinder.

[0013] Preferably, two supporting slide rails are provided at the inner top wall of the mounting frame, the sand-shooting device and the air-blowing device are both slidably connected to the two supporting slide rails, and the sand-shooting traveling cylinder and the air-blowing traveling cylinder are both located between the two supporting slide rails.

[0014] Preferably, the guide mechanism is composed of two linear guide rods, and the movable template is connected to the opposite side of the bracket plate.

[0015] Preferably, the number of the static template, the movable template, the clamping cylinder, the sand storage barrel, the clamping cylinder, the air tank blowing device and the air blowing walking cylinder is two each, and the two static templates, the movable template, the clamping cylinder, the sand storage barrel, the clamping cylinder, the air tank blowing device and the air blowing walking cylinder are distributed corresponding to each other with the center of the mounting frame as the center.

[0016] Compared with the prior art, the utility model provides a warm core box core shooting machine, which has the following beneficial effects:

[0017] 1. The warm core box core shooting machine drives the dynamic mold plate and the static mold plate to perform mold closing die casting operation by running the mold closing cylinder. The running sand shooting travel cylinder can stably push the sand shooting device to the top of the sand box, and use compressed air to evenly shoot the molding sand into the sand box for pre-compaction. The clamping cylinder plays a die-casting role during sand shooting and blowing. After the sand shooting is completed, the blowing device is moved to the top of the sand casting sand box, and the gas heating device is used to guide the warm gas into the mold sand box. The sand casting has good uniformity and high molding efficiency. The overall production is automated with high production efficiency, which enables the device to have warm core box sand casting capabilities, uniform sand casting, improved production efficiency, and is relatively environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a frontal perspective schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a bottom-up stereoscopic schematic diagram of the structure of the utility model;

[0020] Figure 3 It is a side perspective schematic diagram of the structure of the utility model;

[0021] Figure 4 It is a top-down perspective schematic diagram of the structure of the utility model;

[0022] Figure 5 It is a rear perspective schematic diagram of the structure of the utility model.

[0023] In the figure: 1. Mounting frame; 2. Static template; 3. Moving template; 4. Clamping cylinder; 5. Support plate; 6. Guide mechanism; 7. Sand shooting device; 8. Sand shooting travel cylinder; 9. Valve plate cylinder; 10. Sand storage cylinder; 11. Clamping cylinder; 12. Gas storage tank; 13. Gas heating device; 14. Air blowing device; 15. Air blowing travel cylinder; 16. Support slide rail. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] See also Figure 1-Figure 5 A warm core box core shooting machine comprises a mounting frame 1, and a static die plate 2, a movable die plate 3 and a clamping cylinder 4 are arranged on the inner side of the mounting frame 1;

[0026] The static platen 2 is located between the dynamic platen 3, the dynamic platen 3 corresponds to the position of the clamping cylinder 4, a support plate 5 is provided at the output end of the clamping cylinder 4, a guide mechanism 6 is integrally provided on the static platen 2, the dynamic platen 3 and the support plate 5, and a sand-shooting device 7, a sand-shooting travel cylinder 8 and a valve plate cylinder 9 are provided on the top of the mounting frame 1;

[0027] A sand storage cylinder 10, a clamping cylinder 11, a gas storage tank 12 and a gas heating device 13 are provided on the top of the mounting frame 1. The sand storage cylinder 10 corresponds to and is connected with the sand shooting device 7. The gas storage tank 12 is connected with the sand shooting device 7. The clamping cylinder 11 corresponds to the static template 2 and the dynamic template 3.

[0028] The top of the inner side of the mounting frame 1 is provided with a blowing device 14 and a blowing travel cylinder 15. The blowing device 14 corresponds to the position of the static template 2, and the blowing device 14 is connected to the gas heating device 13.

[0029] The movable template 3 and the bracket plate 5 are slidably connected to the threads of the guide mechanism 6, and the sand-shooting device 7 and the air-blowing device 14 are both slidably connected to the inner bottom wall of the mounting frame 1;

[0030] The beneficial effects to be expressed by this scheme are as follows: by running the mold closing cylinder 4, the dynamic mold plate 3 and the static mold plate 2 are driven to perform mold closing die-casting operations; running the sand shooting walking cylinder 8 can stably push the sand shooting device 7 to the top of the sand box, and use compressed air to evenly shoot the molding sand into the sand box for pre-compaction; the clamping cylinder 11 plays a compacting role during sand shooting and blowing; after the sand shooting is completed, the blowing device 14 is moved to the top of the casting sand box, and cooperates with the gas heating device 13 to guide the warm gas into the mold sand box. The sand casting has good uniformity and high molding efficiency. The overall production is automated with high production efficiency, so that the device has the ability to warm core box sand casting, the casting sand is uniform, the production efficiency is improved, and it is relatively environmentally friendly.

[0031] Furthermore, the output end of the sand-shooting walking cylinder 8 is arranged on the side of the sand-shooting device 7, the top of the sand-shooting walking cylinder 8 is fixedly connected to the mounting frame 1, the sand-shooting walking cylinder 8 is retractable as a whole, and the sand-shooting device 7 is pushed and displaced by the sand-shooting walking cylinder 8;

[0032] The sand-shooting traveling cylinder 8 can be extended and retracted when in operation, so as to push the sand-shooting device 7 to move, so that the sand-shooting device 7 can move and perform sand-shooting operations stably and automatically, and the overall practicality is good.

[0033] Furthermore, the valve plate cylinder 9 is fixedly connected to the inner top wall of the mounting frame 1, and the closing plate of the valve plate cylinder 9 is correspondingly arranged directly below the sand storage cylinder 10. The valve plate cylinder 9 is retractable as a whole, and the sand outlet of the sand storage cylinder 10 is opened and closed by the valve plate cylinder 9;

[0034] The operation of the valve plate cylinder 9 can freely open and close the sand outlet of the sand storage cylinder 10, so that the sand and material discharge of the sand storage cylinder 10 can be kept in an automated state, the overall sand casting efficiency is high, and the load-bearing is stable.

[0035] Furthermore, the air blowing travel cylinder 15 is fixedly connected to the inner top wall of the mounting frame 1, and the output end of the air blowing travel cylinder 15 is connected to the air blowing device 14, and the air blowing device 14 is pushed and displaced by the air blowing travel cylinder 15;

[0036] Running the air blowing travel cylinder 15 can push the air blowing device 14 to move, and the air blowing device 14 can be pushed to move automatically as a whole, and the air blowing device 14 can perform air blowing operations, and the overall degree of automation of the device is high, and the production efficiency is excellent.

[0037] Furthermore, two supporting slide rails 16 are provided at the inner top wall of the mounting frame 1, the sand-shooting device 7 and the air-blowing device 14 are both slidably connected to the two supporting slide rails 16, and the sand-shooting travel cylinder 8 and the air-blowing travel cylinder 15 are both located between the two supporting slide rails 16;

[0038] By providing the support slide rail 16 , the sand-shooting device 7 and the air-blowing device 14 can be stably mounted on the support slide rail 16 , and can stably move in the thread of the support slide rail 16 , which has excellent practicality.

[0039] Further, the guide mechanism 6 is composed of two linear guide rods, and the movable plate 3 and the bracket plate 5 are connected on opposite sides;

[0040] By setting up a guide mechanism 6 composed of two linear guide rods, the bracket plate 5 and the movable template 3 can be stably displaced in the thread of the guide mechanism 6 when displacing. It has excellent practicality and can stably support and position the bracket plate 5 and the movable template 3, and the displacement is stable.

[0041] Further, the number of the static platen 2, the dynamic platen 3, the clamping cylinder 4, the sand storage cylinder 10, the clamping cylinder 11, the air storage tank 12, the air blowing device 14 and the air blowing traveling cylinder 15 are all two, and the two static platens 2, the dynamic platen 3, the clamping cylinder 4, the sand storage cylinder 10, the clamping cylinder 11, the air storage tank 12, the air blowing device 14 and the air blowing traveling cylinder 15 are distributed correspondingly to each other with the center of the mounting frame 1 as the center;

[0042] By setting the number of devices to two groups, two sand casting operations can be carried out simultaneously, thereby improving the production efficiency of the device.

[0043] It should be noted that the various devices in this application are common devices in the market, and can be selected according to specific needs during specific use. The circuit connection relationship of each device belongs to a simple series and parallel connection circuit. There is no innovation in the circuit connection. Those skilled in the art can easily implement it. It belongs to the existing technology and will not be elaborated.

[0044] Working principle: a sand storage barrel 10, a pressing cylinder 11, a gas storage tank 12 and a gas heating device 13 are arranged on the top of the mounting frame 1. The sand storage barrel 10 plays a role of storing sand materials, and the sand materials in the sand storage barrel 10 can be guided to the sand shooting device 7 by gravity. The pressing cylinder 11 can play a role of pressing and squeezing the module and the sand box.

[0045] The inner side of the mounting frame 1 is provided with a static platen 2, a dynamic platen 3 and a clamping cylinder 4. The clamping cylinder 4 can push the support plate 5 to drive the dynamic platen 3 and the static platen 2 to perform the clamping die-casting operation. The guide mechanism 6 can thread support and fix the support plate 5 and the dynamic platen 3, and the operation stability is high.

[0046] Sand shooting device 7, sand shooting travel cylinder 8 and valve plate cylinder 9 are arranged on both sides of the inner top wall of the mounting frame 1. The sand shooting device 7 can be slidably supported by the supporting slide rail 16. The operation of the sand shooting travel cylinder 8 can stably push the sand shooting device 7, stably displace in the thread of the supporting slide rail 16, and push the sand shooting device 7 to move to the top of the sand box. The sand shooting device 7 uses compressed air to evenly shoot the molding sand into the sand box for pre-tightening. After the sand shooting is completed, the compression cylinder 11 extrudes and casts it above the sand box. The static mold plate 2 and the dynamic mold plate 3 are extruded and fixed, which can adapt to stably extrude and cast the sand material. The valve plate cylinder 9 can play a switch closing role on the lower sand port of the sand storage tube 10.

[0047] A blowing device 14 and a blowing travel cylinder 15 are provided in the middle of the top wall of the mounting frame 1. The blowing travel cylinder 15 can push the blowing device 14 to move the blowing device 14 above the sand casting box. The gas heating device 13 guides the heated warm air after the gas temperature is heated to the blowing device 14. The blowing device 14 maintains the blowing casting effect of the warm core box sand mold, and the sand mold can be blown evenly and stably. The sand mold casting has good uniformity. The machine adopts a double-station structure and can complete the production of two molds at the same time. A single-station structure can also be used to further improve the production efficiency. The device as a whole is automated production with high production efficiency, so that the device has the ability to cast warm core box sand molds, uniform sand casting, and improved production efficiency. At the same time, it is relatively environmentally friendly, which solves the problem that the existing hot core box sand casting has insufficient solidification uniformity and high production efficiency, while the environmental protection of the cold core box is poor and has a pungent odor.

[0048] The working process of the device is as follows: 1. First, the static mold plate 2 and the movable mold plate 3 are molded together;

[0049] 2. The sand-shooting device 7 is moved to the top of the mold;

[0050] 3. The pressing cylinder 11 performs pressing operation on the casting sand;

[0051] 4. The sand-shooting device 7 performs sand-shooting on the mold;

[0052] 5. Release the clamping cylinder 11;

[0053] 6. The sand-shooting device 7 moves to the sand-adding position, above the sand storage tube 10;

[0054] 7. The valve plate cylinder 9 is opened, and the sand in the sand storage cylinder 10 is added to the sand shooting device 7;

[0055] 8. The blowing device 14 moves to above the mold;

[0056] 9. The clamping cylinders 11 pairs perform the clamping operation;

[0057] 10. The gas heating device 13 circulates hot air to the casting sand mold in the mold through the blowing device 14;

[0058] 11. Release the clamping cylinder 11;

[0059] 12. The blowing device 14 moves to the initial position;

[0060] 13. After curing is completed, open the mold;

[0061] 14. Take out the sand core.

[0062] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0063] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A warm core box core shooting machine, comprising a mounting frame (1), characterized in that: A static mold plate (2), a movable mold plate (3) and a mold clamping cylinder (4) are provided on the inner side of the mounting frame (1); The static mold plate (2) is located between the dynamic mold plate (3), the dynamic mold plate (3) corresponds to the mold clamping cylinder (4), a support plate (5) is provided at the output end of the mold clamping cylinder (4), a guide mechanism (6) is integrally provided on the static mold plate (2), the dynamic mold plate (3) and the support plate (5), and a sand-shooting device (7), a sand-shooting travel cylinder (8) and a valve plate cylinder (9) are provided at the top of the mounting frame (1); A sand storage cylinder (10), a clamping cylinder (11), a gas storage tank (12) and a gas heating device (13) are provided on the top of the mounting frame (1); the sand storage cylinder (10) corresponds to and is connected to the sand shooting device (7); the gas storage tank (12) is connected to the sand shooting device (7); and the clamping cylinder (11) corresponds to the static mold plate (2) and the movable mold plate (3); An air blowing device (14) and an air blowing travel cylinder (15) are correspondingly arranged at the top of the inner side of the mounting frame (1), the air blowing device (14) corresponds to the position of the static template (2), and the air blowing device (14) is connected to the gas heating device (13); The movable template (3) and the bracket plate (5) are slidably connected to the threads of the guide mechanism (6), and the sand-shooting device (7) and the air-blowing device (14) are both slidably connected to the inner bottom wall of the mounting frame (1).

2. A warm core box core shooting machine according to claim 1, characterized in that: The output end of the sand-shooting walking cylinder (8) is arranged on the side of the sand-shooting device (7), the top of the sand-shooting walking cylinder (8) is fixedly connected to the mounting frame (1), the sand-shooting walking cylinder (8) is retractable as a whole, and the sand-shooting device (7) is pushed and displaced by the sand-shooting walking cylinder (8).

3. A warm core box core shooting machine according to claim 1, characterized in that: The valve plate cylinder (9) is fixedly connected to the inner top wall of the mounting frame (1); the closing plate of the valve plate cylinder (9) is correspondingly arranged directly below the sand storage cylinder (10); the valve plate cylinder (9) is retractable as a whole; and the sand outlet of the sand storage cylinder (10) is opened and closed by being pushed by the valve plate cylinder (9).

4. A warm core box core shooting machine according to claim 1, characterized in that: The air blowing travel cylinder (15) is fixedly connected to the inner top wall of the mounting frame (1), the output end of the air blowing travel cylinder (15) is connected to the air blowing device (14), and the air blowing device (14) is pushed and displaced by the air blowing travel cylinder (15).

5. The warm core box core shooting machine according to claim 1, characterized in that: Two supporting slide rails (16) are provided on the inner top wall of the mounting frame (1), the sand-shooting device (7) and the air-blowing device (14) are both slidably connected to the two supporting slide rails (16), and the sand-shooting traveling cylinder (8) and the air-blowing traveling cylinder (15) are both located between the two supporting slide rails (16).

6. A warm core box core shooting machine according to claim 1, characterized in that: The guide mechanism (6) is composed of two linear guide rods, and the movable template (3) and the bracket plate (5) are connected on opposite sides.

7. A warm core box core shooting machine according to claim 1, characterized in that: The number of the static mold plate (2), the movable mold plate (3), the mold clamping cylinder (4), the sand storage cylinder (10), the clamping cylinder (11), the air storage tank (12), the air blowing device (14) and the air blowing traveling cylinder (15) is two, and the two static mold plates (2), the movable mold plate (3), the mold clamping cylinder (4), the sand storage cylinder (10), the clamping cylinder (11), the air storage tank (12), the air blowing device (14) and the air blowing traveling cylinder (15) are arranged corresponding to each other with the center of the mounting frame (1) as the center.