Casting molding sand screening treatment device for casting
By designing the cooperation between the drive wheel, limiting column and guide wheel with the movable frame, tooth teeth and impact head in the casting sand screening machine, the oscillation of the feed pipe is achieved, the problem of blockage of the feed port is solved and the screening efficiency is improved.
Patent Information
- Application Number
- CN202420637467.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-03-29
AI Technical Summary
The existing cast molding sand screening machines are prone to blockage of the cutting port during the screening process, affecting the cutting screening of the molding sand, resulting in low screening efficiency.
A cast molding sand screening and treatment device for casting is designed. By cooperating between the driving wheel, the limiting column and the guide wheel, the movable frame, the tooth and the impact head, the oscillation of the feed pipe is achieved to prevent the molding sand from being blocked.
It effectively prevents the blockage of molded sand cutting, ensures smooth cutting, improves screening efficiency, and facilitates the cleaning and maintenance of the feed box and feed pipe.
Smart Images

Figure CN222607920U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screening, in particular to a screening and processing device for foundry sand used in casting. Background Art
[0002] Foundry sand is an auxiliary tool for casting. After use, the foundry sand will be mixed with a large amount of casting impurities. Such impurities will affect the reuse of the foundry sand and need to be screened and removed. For example, a Chinese patent discloses a foundry sand screening machine (Announcement No. CN219851990U). Although the screening machine can screen the foundry sand and improve the screening efficiency, during the screening, the impurities and the foundry sand are mixed together, which easily leads to blockage at the discharge port, affecting the screening of the foundry sand, resulting in low screening efficiency. Utility Model Content
[0003] In view of the deficiencies in the prior art, the utility model provides a casting sand screening and processing device for casting, which solves the problem that a casting sand discharge port is easily blocked.
[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a casting sand screening and processing device for casting, comprising a base, the top of the base is connected to a sand storage cylinder, and one end surface of the sand storage cylinder is provided with a feeding unit;
[0005] The feeding unit comprises a feeding box, and two feeding pipes are arranged at the bottom end of the feeding box, a mounting plate is connected to one side of the two feeding pipes, a fixing seat is connected between the two mounting plates, and a driving wheel is connected to one end surface of the fixing seat.
[0006] As a further technical solution of the utility model, a driving shaft is connected through one end surface of the sand storage barrel, a screen barrel is arranged on the outer surface of the driving shaft and inside the sand storage barrel, and installation grooves are provided at the corresponding positions of one end surface of the sand storage barrel and the two feeding pipes.
[0007] As a further technical solution of the utility model, one end face of the fixed seat is connected to two groups of guide wheels, a movable frame is connected between the two groups of guide wheels, the inner side wall of the movable frame is provided with a plurality of teeth, the end face of the driving wheel is annularly connected to a plurality of limit columns, and the two end faces of the movable frame are connected to an impact head.
[0008] As a further technical solution of the utility model, three positioning columns are connected to the surfaces of the two mounting plates, and fixing blocks are connected to the surface of one end of the sand storage cylinder and on both sides of the feed box, and an adjusting screw is connected through the surface of the fixing block.
[0009] As a further technical solution of the utility model, one end of the two adjusting screws is connected to a limiting block, and matching limiting grooves are provided at the corresponding ends of one end surface of the limiting block and the sliding paths of the two positioning columns, and the inner diameter of the mounting groove is matched with the outer diameter of the feed pipe.
[0010] As a further technical solution of the utility model, the inner diameter size of the movable frame is adapted to the sliding path of the driving wheel, the spacing between the two groups of guide wheels is adapted to the sliding path of the movable frame, and the inner diameter size between the multiple teeth is adapted to the outer diameter size of the limiting column.
[0011] Beneficial Effects
[0012] The utility model provides a casting sand screening and processing device for casting. Compared with the prior art, it has the following beneficial effects:
[0013] 1. A casting sand screening and processing device for casting, through the cooperation between the driving wheel, the limit column and the guide wheel, the movable frame, the teeth and the impact head, can make the feed pipe vibrate while feeding the feed box and the feed pipe, prevent the blockage of the casting sand discharge, ensure smooth discharge and improve the screening efficiency.
[0014] 2. A casting sand screening and processing device for casting, which can facilitate the rapid disassembly and assembly between the feed box, the feed pipe and the sand storage cylinder through the cooperation between the fixed block, the adjusting screw, the limit block, the limit groove, the mounting plate and the positioning column, so as to facilitate the cleaning and maintenance of the feed box and the feed pipe, ensure the feeding effect and prevent the accumulation of impurities. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of a foundry sand screening and processing device for casting;
[0016] Figure 2 A top view of a foundry sand screening and processing device for casting;
[0017] Figure 3 A casting sand screening and processing device for casting Figure 2 AA section view in;
[0018] Figure 4 It is a schematic diagram of the exploded structure of a foundry sand screening and processing device for casting;
[0019] Figure 5 A front view of a feeding unit of a foundry sand screening and processing device for casting;
[0020] Figure 6 A casting sand screening and processing device for casting Figure 5 Magnified view of A in .
[0021] In the figure: 1. base; 2. sand storage cylinder; 22. driving shaft; 23. screen cylinder; 24. mounting groove; 25. fixing block; 26. adjusting screw; 27. limiting block; 28. limiting groove; 3. feeding unit; 31. feeding box; 32. feeding pipe; 33. mounting plate; 34. positioning column; 35. fixing seat; 36. driving wheel; 37. movable frame; 38. limiting column; 39. teeth; 301. guide wheel; 302. impact head. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-4 The utility model provides a technical solution for a casting sand screening and processing device for casting: a casting sand screening and processing device for casting, comprising a base 1, a sand storage cylinder 2 is connected to the top of the base 1, a feeding unit 3 is arranged on one end face of the sand storage cylinder 2, the feeding unit 3 comprises a feeding box 31, two feeding pipes 32 are arranged at the bottom end of the feeding box 31, one side face of the two feeding pipes 32 are connected to a mounting plate 33, a fixing seat 35 is connected between the two mounting plates 33, and a driving wheel 36 is connected to the surface of one end of the fixing seat 35.
[0024] like Figure 1-4 As shown, a driving shaft 22 is connected through one end surface of the sand storage cylinder 2, a screen cylinder 23 is arranged on the outer surface of the driving shaft 22 and located inside the sand storage cylinder 2, a mounting groove 24 is provided at the corresponding position of the one end surface of the sand storage cylinder 2 and the two feeding pipes 32, three positioning columns 34 are connected to the surfaces of the two mounting plates 33, a fixing block 25 is connected to the one end surface of the sand storage cylinder 2 and located on both sides of the feeding box 31, an adjusting screw 26 is connected through the surface of the fixing block 25, and one of the two adjusting screws 26 is connected to the other. Both ends are connected to a limit block 27, and a corresponding limit groove 28 is provided at the corresponding position of one end face of the limit block 27 and the sliding path of the two positioning columns 34. The inner diameter size of the installation groove 24 is adapted to the outer diameter size of the feed pipe 32. It should be noted that the two adjusting screws 26 can drive the limit block 27 to limit and fix the positioning columns 34 at two corresponding positions through the limit groove 28, thereby facilitating the rapid disassembly and assembly between the entire feed box 31 and the feed pipe 32 and the sand storage cylinder 2, and facilitating cleaning and maintenance.
[0025] like Figure 3-6As shown, one end face of the fixed seat 35 is connected to two groups of guide wheels 301, and a movable frame 37 is connected between the two groups of guide wheels 301. The inner side wall of the movable frame 37 is provided with a plurality of teeth 39, and the end face of the driving wheel 36 is annularly connected to a plurality of limiting columns 38. Both end faces of the movable frame 37 are connected to impact heads 302. The inner diameter size of the movable frame 37 is adapted to the sliding path of the driving wheel 36, and the spacing between the two groups of guide wheels 301 is adapted to the sliding path of the movable frame 37. The inner diameter size between the plurality of teeth 39 is adapted to the outer diameter size of the limiting columns 38. It should be noted that the rotation of the driving wheel 36 can drive the plurality of limiting columns 38 to engage between the plurality of teeth 39, thereby driving the entire movable frame 37 to slide left and right, so that the impact head 302 can impact the two feeding pipes 32 to prevent feed blockage.
[0026] Working principle of the utility model: when in use, the feed box 31 and the feed pipe 32 are inserted along the mounting groove 24, so that the two mounting plates 33 are close to the end surface of the sand storage cylinder 2, and then the two adjusting screws 26 are rotated to drive the limit block 27 to approach the mounting plate 33, so that the limit groove 28 on the surface of the limit block 27 is engaged with the positioning column 34 at the corresponding position, and the installation and fixation of the feed box 31 and the feed pipe 32 can be completed;
[0027] When unloading, the driving wheel 36 is started, and the rotation of the driving wheel 36 drives multiple limit columns 38 to rotate synchronously. As the limit columns 38 engage with different teeth 39, the movable frame 37 is driven to slide left and right between the two sets of guide wheels 301, and the two impact heads 302 are driven to continuously impact the sides of the two feeding pipes 32, so that the accumulated molding sand can be shaken off to prevent blockage.
Claims
1. A casting sand screening and processing device, comprising a base (1), characterized in that: The top of the base (1) is connected to a sand storage cylinder (2), and one end surface of the sand storage cylinder (2) is provided with a feeding unit (3); The feeding unit (3) comprises a feeding box (31), two feeding pipes (32) are arranged at the bottom end of the feeding box (31), one side of the two feeding pipes (32) are connected to a mounting plate (33), a fixing seat (35) is connected between the two mounting plates (33), and one end surface of the fixing seat (35) is connected to a driving wheel (36).
2. A casting sand screening and processing device according to claim 1, characterized in that: A drive shaft (22) is connected through one end surface of the sand storage cylinder (2), a screen cylinder (23) is provided on the outer surface of the drive shaft (22) and inside the sand storage cylinder (2), and mounting grooves (24) are provided at positions corresponding to the two feed pipes (32) on one end surface of the sand storage cylinder (2).
3. A casting sand screening and processing device according to claim 1, characterized in that: One end face of the fixed seat (35) is connected to two groups of guide wheels (301), a movable frame (37) is connected between the two groups of guide wheels (301), an inner side wall of the movable frame (37) is provided with a plurality of teeth (39), an end face of the driving wheel (36) is connected to a plurality of limiting columns (38) in an annular shape, and both end faces of the movable frame (37) are connected to a striking head (302).
4. A casting sand screening and processing device according to claim 2, characterized in that: The surfaces of the two mounting plates (33) are connected to three positioning columns (34), the surface of one end of the sand storage cylinder (2) and located on both sides of the feed box (31) are connected to fixing blocks (25), and the surface of the fixing block (25) is penetrated and connected to an adjusting screw (26).
5. A casting sand screening and processing device according to claim 4, characterized in that: One end of each of the two adjusting screws (26) is connected to a limiting block (27), and a matching limiting groove (28) is provided at a corresponding position of one end surface of the limiting block (27) and a sliding path of the two positioning columns (34), and the inner diameter of the mounting groove (24) is matched to the outer diameter of the feed pipe (32).
6. The device for screening and processing foundry sand for casting according to claim 3, characterized in that: The inner diameter of the movable frame (37) is compatible with the sliding path of the driving wheel (36), the spacing between the two sets of guide wheels (301) is compatible with the sliding path of the movable frame (37), and the inner diameter between the plurality of teeth (39) is compatible with the outer diameter of the limiting column (38).