A multi-stage casting sand crushing recycling screening device
By designing the guiding components and crushing rollers, the problem of uneven feeding of foundry sand was solved, achieving uniform crushing and screening of foundry sand, improving crushing efficiency and equipment capacity, and avoiding equipment wear and blockage.
Patent Information
- Application Number
- CN202422658823.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Existing multi-stage crushing, recycling, and screening devices for foundry sand cannot uniformly deliver the material between the two crushing rollers during feeding, resulting in low and uneven crushing efficiency, affecting the crushing effect, and potentially causing blockages and equipment wear.
The design employs a guide assembly and crushing rollers. The guide assembly, driven by a motor, uniformly conveys the foundry sand, and the reverse rotation of the two crushing rollers and the clapper structure perform multiple crushing operations. Combined with the screening function of the sealed cylinder, this achieves uniform crushing and screening of the foundry sand.
It achieves uniform crushing and screening of foundry sand, improves crushing efficiency, avoids clogging and equipment wear, and enhances equipment capacity and crushing effect.
Smart Images
Figure CN223603380U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foundry sand crushing technical field, concretely is a kind of foundry sand multistage crushing recycling screening device. BACKGROUND
[0002] In the casting process, foundry sand is an important molding material, but after use, the shape, size and performance of sand particles will change, and the foundry sand multistage crushing recycling screening device has important functions in many aspects. It can recycle foundry sand, reduce production cost and reduce environmental pollution. The multistage crushing function can crush the lumps into single sand particles, restore the fluidity and loose nature, optimize the particle size distribution, and the screening function can further optimize the classification effect. The device is indispensable in the foundry industry, and has important significance for improving production efficiency, ensuring casting quality and realizing sustainable development. For example, in an automobile parts foundry, the recycled foundry sand can be used to make sand molds after treatment, reducing the amount of new sand purchased.
[0003] The existing foundry sand multistage crushing recycling screening device cannot uniformly deliver foundry sand to the middle of the two crushing rollers during feeding, causing the foundry sand to accumulate in the middle of the two crushing rollers, resulting in excessive local stress on the crushing rollers, uneven wear and insufficient crushing, leading to uneven particle size after crushing, affecting the crushing effect, reducing equipment productivity, causing blockage, jamming and other conditions, and increasing maintenance cost and energy consumption.
[0004] Therefore, a foundry sand multistage crushing recycling screening device is needed to solve the problems of uneven feeding during foundry sand crushing, low crushing efficiency and difficulty in screening with the crushing device. SUMMARY
[0005] To solve the problem of uneven delivery of foundry sand between the two crushing rollers and low crushing efficiency, the present application provides a foundry sand multistage crushing recycling screening device.
[0006] The technical solution of the utility model is: a foundry sand multistage crushing recycling screening device, comprising a base, a bracket fixed on the top of the base, an extrusion box fixed on the inner top of the base, a distribution cylinder fixed on the top of the extrusion box, a motor fixed on the top of the base, a guide assembly arranged on the inner side of the distribution cylinder.
[0007] The guide assembly is assembled to guide the flow direction of foundry sand to prevent the distribution cylinder from being blocked.
[0008] Specifically, the top of the distribution cylinder is fixed with a guide hopper, and the motor is located at the bottom of the bracket.
[0009] Specifically, the guide assembly comprises two limiting grooves respectively formed in the inner walls of the two sides of the distributing barrel, one limiting rod is slidably connected to the inner sides of the two limiting grooves close to the motor, and another limiting rod is slidably connected to the inner sides of the other two limiting grooves, the outer sides of each limiting rod are rotatably connected with a distributing plate, the outer sides of the other ends of each distributing plate are rotatably connected with a traction plate, the two sides of each traction plate are fixed with an engaging plate, and the inner sides of the two traction plates are fixed with two guide plates.
[0010] Specifically, the guide assembly further comprises a reciprocating screw rod, the reciprocating screw rod is rotatably installed on one side of the guide hopper, the engaging plates on the same side of the two traction plates are threadedly connected to the outer side of the reciprocating screw rod, and the inner side of the guide hopper is fixed with a round rod, and the other two engaging plates are slidably connected to the outer side of the round rod.
[0011] Specifically, one end of one of the two extrusion rollers is fixedly connected with the output end of the motor, the outer sides of the ends of the two extrusion rollers close to the motor are fixed with large pulleys, the large pulley on the outer side of the extrusion roller connected with the motor is driven by a belt and a small pulley and the reciprocating screw rod, the other end of each extrusion roller is driven by two gears, the inner sides of the two sealing plates are fixed with the two extrusion rollers.
[0012] Specifically, the bottom of the extrusion box is fixed with a sealing barrel, the top of the sealing barrel is detachably installed with a hopper, and the bottom of the sealing barrel is provided with a plurality of discharge holes.
[0013] Specifically, the outer side of the rotating shaft is fixed with a beating plate, and the beating plate is located on the inner side of the sealing barrel, and the outer side of the end of the rotating shaft close to the motor is driven by another large pulley and a belt and the large pulley on the outer side of the other extrusion roller.
[0014] The beneficial effects of the present application are as follows:
[0015] (1) The casting sand multi-stage crushing and recycling screening device adopts a guide assembly, a motor is used to provide power for crushing, and the casting sand raw material can be guided, compared with the prior art, the feeding of the casting sand can be more uniformly guided into the inner sides of the two extrusion rollers, and the accumulation of the casting sand in the middle of the two extrusion rollers is avoided, so that blockage is avoided.
[0016] (2) The casting sand multi-stage crushing and recycling screening device adopts two crushing rollers and a beating plate, the different rotating directions of the two extrusion rollers and the same power source are used to reversely beat the casting sand after preliminary crushing against the top wall of the sealing hopper, so that the casting sand is crushed by impact, and the casting sand after preliminary crushing is impacted again by the reversely impacted casting sand, so that the crushing effect is further increased while the casting sand is crushed twice.
[0017] The casting sand multistage crushing recycling screening device provided by the utility model has an envelope, can not only discharge the crushed casting sand, but also screen the crushed casting sand, and the qualified casting sand is discharged into the hopper through the discharge hole, and the unqualified casting sand is crushed again, thus improving the crushing effect. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model is further described below in combination with the drawings and examples.
[0019] Figure 1 The overall three-dimensional structure diagram of the casting sand multistage crushing recycling screening device provided by the utility model Figure 1 ;
[0020] Figure 2 The overall three-dimensional structure diagram of the casting sand multistage crushing recycling screening device provided by the utility model Figure 2 ;
[0021] Figure 3 The overall three-dimensional structure diagram of the casting sand multistage crushing recycling screening device provided by the utility model
[0022] Figure 4 The overall three-dimensional structure diagram of the casting sand multistage crushing recycling screening device provided by the utility model Figure 1 ;
[0023] Figure 2 The overall three-dimensional structure diagram of the casting sand multistage crushing recycling screening device provided by the utility model Figure 6 ;
[0024] Figures 1-6 The overall three-dimensional structure diagram of the casting sand multistage crushing recycling screening device provided by the utility model
[0025] In the drawing: 1, base; 2, support; 3, guide hopper; 4, extrusion box; 41, sealing plate; 5, hopper; 6, envelope; 61, discharge hole; 7, distributing cylinder; 8, motor; 9, extrusion roller; 10, reciprocating screw rod; 11, meshing plate; 12, traction plate; 13, guide plate; 14, rotating shaft; 15, beating plate; 16, limiting groove; 17, limiting rod; 18, distributing plate. DETAILED DESCRIPTION
[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.
[0027] Example: Figures 1-6 As shown, this utility model embodiment provides a multi-stage crushing, recycling and screening device for foundry sand, including a base 1, a support 2 fixed on the top of the base 1, an extrusion box 4 fixed on the inner side of the top of the base 1, a distribution cylinder 7 fixed on the top of the extrusion box 4, a motor 8 fixed on the top of the base 1, and a guide component provided on the inner side of the distribution cylinder 7.
[0028] A guiding component is assembled to guide the flow direction of the casting sand and prevent blockage of the feed cylinder 7.
[0029] Furthermore, a guide bucket 3 is fixed to the top of the dispensing cylinder 7, and the motor 8 is located at the bottom of the support 2.
[0030] Furthermore, the guiding assembly includes two limiting grooves 16 on the inner walls of both sides of the dispensing cylinder 7. A limiting rod 17 is slidably connected to the inner side of the two limiting grooves 16 near the motor 8. Another limiting rod 17 is slidably connected to the inner side of the other two limiting grooves 16. A dispensing plate 18 is rotatably connected to the outer side of each limiting rod 17. A traction plate 12 is rotatably connected to the outer side of the other end of each dispensing plate 18. Engaging plates 11 are fixed on both sides of each traction plate 12. Two guide plates 13 are fixed to the inner side of the two traction plates 12.
[0031] Furthermore, the guide assembly also includes a reciprocating screw, which is rotatably mounted through one side of the guide bucket 3, and the meshing plates 11 on the same side of the two traction plates 12 are threadedly connected to the outside of the reciprocating screw. A round rod is fixed to the inside of the guide bucket 3, and the other two meshing plates 11 are slidably connected to the outside of the round rod.
[0032] In this embodiment, before using the device, the staff transports the device to the designated work site and places it, and then starts the motor 8 to feed the inside of the guide hopper 3. The extrusion roller 9 fixedly connected with the motor 8 is driven to rotate in one direction by the large pulley, the belt and the small pulley. The reciprocating screw rod drives the two traction plates 12 to move along the inside of the distribution cylinder 7 through the two engagement plates 11 outside the reciprocating screw rod. The two traction plates 12 move away from the motor 8, and the traction plate 12 drives the distribution plate 18 on the top to move. When the two traction plates 12 move to the farthest position from the motor 8, the inclined state of the two distribution plates 18 is exchanged, and then the reciprocating screw rod drives the two traction plates 12 to return to the original position. The two distribution plates 18 return to the original position, and the two round rods prevent the two traction plates 12 from rotating during movement through the other two engagement plates 11. The two traction plates 12 drive the two guide plates 13 to move along the inside of the distribution cylinder 7. The foundry sand enters the inside of the extrusion box 4 under the action of gravity through the guidance of the guide hopper 3 and the two distribution plates 18 and the two guide plates 13.
[0033] Further, one end of one of the two extrusion rollers 9 is fixedly connected with the output end of the motor 8, and the other end of the two extrusion rollers 9 is driven to rotate in the opposite direction by the two gears. The inside of the extrusion box 4 is fixedly provided with two sealing plates 41, and the two extrusion rollers 9 are located inside the two sealing plates 41, respectively.
[0034] In this embodiment, the motor 8 drives the extrusion roller 9 connected with the output end of the motor 8 to rotate in one direction, and the extrusion roller 9 drives the other extrusion roller 9 to rotate in the opposite direction through the two gears. The two extrusion rollers 9 preliminarily crush the foundry sand to preliminarily crush the large pieces of foundry sand.
[0035] Further, the bottom of the extrusion box 4 is fixedly provided with a sealing cylinder 6, the top of the sealing cylinder 6 is detachably provided with a hopper 5, and the bottom of the sealing cylinder 6 is provided with a plurality of discharge holes 61.
[0036] Further, a rotating shaft 14 is rotatably installed on one side of the sealing cylinder 6, a beating plate 15 is fixedly installed on the outside of the rotating shaft 14, and the beating plate 15 is located inside the sealing cylinder 6. The other end of the rotating shaft 14 outside the motor 8 is driven to rotate by the other large pulley and the belt.
[0037] In the embodiment, the reversed extrusion roller 9 is reversed by the large pulley, the belt and the large pulley driving the rotating shaft 14, the rotating shaft 14 drives the flap 15 outside the rotating shaft 14 to be reversed, the flap 15 can be designed according to actual requirements, after the cast sand is preliminarily crushed, the cast sand is reversely hit to the top wall of the seal hopper by the flap 15, impact crushing is carried out, the cast sand reversely impacted and the cast sand preliminarily crushed are impacted again, the crushing effect is further increased, then the cast sand crushed for many times is moved to the top of the discharge hole 61 by the flap 15, the qualified cast sand penetrates through the discharge hole 61 and enters the hopper 5 under the action of gravity, and the unqualified cast sand is continuously impacted by the flap 15, and then the screening is completed.
[0038] Working principle: the initial state is as shown in the figure, the staff transports the device to the designated working position before using the device, then the motor 8 is started, the cast sand is fed to the inside of the guide hopper 3, the motor 8 drives the two extrusion rollers 9 to rotate towards each other, the extrusion roller 9 fixedly connected with the motor 8 is driven by the belt transmission to rotate in one direction, the two traction plates 12 drive the two guide plates 13 to move reciprocatingly along the inside of the distribution cylinder 7, the cast sand is guided into the distribution cylinder 7 through the guide hopper 3, and is guided into the inside of the extrusion box 4 through the two distribution plates 18 and the two guide plates 13, after the cast sand is preliminarily crushed, the cast sand is reversely hit to the top wall of the seal hopper by the flap 15, impact crushing is carried out, the cast sand reversely impacted and the cast sand preliminarily crushed are impacted again, then the cast sand crushed for many times is moved to the top of the discharge hole 61 by the flap 15, the qualified cast sand penetrates through the discharge hole 61 and enters the hopper 5, the unqualified cast sand is continuously impacted by the flap 15, and then the screening is completed.
[0039] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A casting sand multi-stage crushing recycling screening device, comprising a base (1), a support (2) is fixed on the top of the base (1), characterized in that: The top inner side of the base (1) is fixedly provided with an extrusion box (4), the top of the extrusion box (4) is fixedly provided with a distributing cylinder (7), the top of the base (1) is fixedly provided with a motor (8), the inner side of the distributing cylinder (7) is provided with a guide assembly, and the top of the distributing cylinder (7) is fixedly provided with a guide hopper (3). The guide assembly is assembled to guide the flowing direction of the casting sand to prevent the distributing cylinder (7) from being blocked, the inner walls of the two sides of the distributing cylinder (7) are respectively provided with two limiting grooves (16), the inner sides of the two limiting grooves (16) near the motor (8) are slidably connected with one limiting rod (17), the inner sides of the other two limiting grooves (16) are slidably connected with another limiting rod (17), the outer side of each limiting rod (17) is rotatably connected with a distributing plate (18), the other end of each distributing plate (18) is rotatably connected with a traction plate (12), the two sides of each traction plate (12) are fixedly provided with a meshing plate (11), the inner sides of the two traction plates (12) are fixedly provided with two guide plates (13), the guide assembly further comprises a reciprocating screw rod (10), the reciprocating screw rod (10) is rotatably penetrated and installed on one side of the guide hopper (3), and the inner side of the guide hopper (3) is fixedly provided with a round rod.
2. The cast sand multi-stage crushing reclaiming screening apparatus as claimed in claim 1, characterized in that: The motor (8) is located at the bottom of the support (2).
3. The cast sand multi-stage crushing reclaiming screening apparatus as claimed in claim 2, characterized in that: The meshing plates (11) on the same side of the two traction plates (12) are threadedly connected to the outer side of the reciprocating screw rod (10), and the other two meshing plates (11) are slidably connected to the outer side of the round rod.
4. The cast sand multi-stage crushing reclaiming screening apparatus as claimed in claim 3, characterized in that: One end of one of the two extrusion rollers (9) is fixedly connected with the output end of the motor (8), the outer sides of the two extrusion rollers (9) near the motor (8) are fixedly provided with large belt pulleys, the large belt pulley on the outer side of the extrusion roller (9) connected with the motor (8) is driven by a belt and a small belt pulley and the reciprocating screw rod (10), the other ends of the two extrusion rollers (9) are driven by two gears, the inner side of the extrusion box (4) is fixedly provided with two sealing plates (41), and the two extrusion rollers (9) are located at the inner sides of the two sealing plates (41).
5. The cast sand multi-stage crushing reclaiming screening apparatus as claimed in claim 4, characterized in that: The bottom of the extrusion box (4) is fixedly provided with a sealing cylinder (6), the top of the sealing cylinder (6) is detachably provided with a hopper (5), and the bottom of the sealing cylinder (6) is penetratedly provided with a plurality of discharge holes (61).
6. The cast sand multi-stage crushing reclaiming screening apparatus as claimed in claim 5, characterized in that: One side of the sealing cylinder (6) is rotatably penetrated and provided with a rotating shaft (14), the outer side of the rotating shaft (14) is fixedly provided with a beating plate (15), the beating plate (15) is located at the inner side of the sealing cylinder (6), and the outer side of one end of the rotating shaft (14) near the motor (8) is driven by another large belt pulley and a belt and the large belt pulley on the outer side of the other extrusion roller (9).