Material adhesion-free sand mixer
By using the motor-driven screw conveyor pad and scraper plate in the sand mixer, the problem of difficulty in adhesion and cleaning during the mixing process is solved, and rapid and uniform sand mixing and automatic cleaning are achieved to avoid resource waste.
Patent Information
- Application Number
- CN202421503900.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing sand mixers are prone to adhere to the inner wall during the mixing process, which is difficult to remove for a long time, affecting the subsequent sand mixing work and causing waste of resources.
A sand mixer without adhesive material was designed, using a second motor to drive the upper screw conveyor pad to rotate and quickly enter the barrel; using a third motor to drive the lower screw conveyor pad to rotate and quickly discharge the material; using a scraper plate to scrape off the sand material adhered to the inner wall to achieve automatic cleaning.
It achieves rapid and smooth feeding and discharge, avoids material blockage caused by adhesion, and is quicker and evenly agitated and mixing, and is convenient for automatic cleaning to avoid wasting sand materials.
Smart Images

Figure CN222767251U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand mixers, in particular to a sand mixer free of adhesive materials. Background Art
[0002] Sand mixer is an important casting equipment, which is used to mix sand and other materials required for casting. In the specification of a sand mixer in the prior art (Announcement No. CN218855537U), it is mentioned that "the sand mixer drive system is arranged in the central area of the support frame; the sand mixer body includes a feed inlet, a bottom stirring device, a first stirring device and at least one second stirring device; the bottom stirring device is arranged at the bottom of the sand mixer body, which is fixedly connected to the rotating shaft of the sand mixer drive system; the first stirring device is arranged in the central area of the sand mixer body, which is fixedly connected to the rotating shaft of the sand mixer drive system". However, the sand mixer in the prior art is easy to adhere to the inner wall during the mixing process, which is more difficult to remove over time, which not only affects the subsequent new sand mixing work, but also causes waste of sand resources, which is not convenient and practical. Utility Model Content
[0003] In order to overcome the defects of the prior art, a non-sticky sand mixer is provided to solve the problem that the sand mixer in the prior art is easy to adhere to the inner wall during the mixing process, which is more difficult to remove over time, not only affecting the subsequent new sand mixing work, but also causing a waste of sand resources, and is not convenient and practical.
[0004] To achieve the above-mentioned purpose, a sand mixer for non-sticky materials is provided, comprising a barrel, a feed hopper and a lower hopper, wherein the feed hopper is arranged on the left side of the upper part of the barrel, and a second motor is installed on the right side of the feed hopper, a left fixed frame is arranged at the left end of the barrel, and a first motor is installed at the inner center of the left fixed frame, a lower hopper is arranged on the right side of the lower part of the barrel, and a third motor is installed on the left side of the lower hopper, a right fixed frame is arranged at the right end of the barrel, and a right shaft sleeve is installed at the center of the inner side surface of the right fixed frame, a first rotating shaft is installed at the inner center of the barrel, and the first rotating shaft is a rotatable structure.
[0005] Furthermore, a second rotating shaft is installed at the front end of the second motor, an upper screw conveying paddle is provided on the second rotating shaft, and the second rotating shaft and the upper screw conveying paddle are both located in the feed hopper, and an upper baffle is embedded in the lower part of the feed hopper, and the upper baffle moves left and right in the horizontal direction.
[0006] Furthermore, an upper telescopic cylinder is fixed to the left end of the upper baffle, and the rear portion of the upper telescopic cylinder is sleeved in the upper sleeve plate, and the lower end of the upper sleeve plate is fixed to the left fixing frame.
[0007] Furthermore, a third rotating shaft is installed at the front end of the third motor, a lower screw conveying paddle is arranged on the third rotating shaft, and the third rotating shaft and the lower screw conveying paddle are both located in the lower hopper, and a lower baffle is embedded in the upper part of the lower hopper.
[0008] Furthermore, a lower telescopic cylinder is installed at the right end of the lower baffle, and the rear part of the lower telescopic cylinder is sleeved in the lower sleeve frame, and the lower telescopic cylinder moves left and right in the horizontal direction, and the upper end of the lower sleeve frame is fixed to the lower part of the right fixed frame.
[0009] Furthermore, a fixing sleeve is sleeved on the middle part of the outer ring surface of the barrel, and a supporting leg is fixed to the lower end of the fixing sleeve, and the lower end of the supporting leg is fixed on the base.
[0010] Furthermore, multiple groups of stirring rods are fixed on the upper and lower sides of the first rotating shaft, multiple groups of stirring plates are fixed on the stirring rods, and the left and right parts of the first rotating shaft are respectively fixed with a left connecting plate and a right connecting plate, a scraper plate is fixed between the two ends of the left connecting plate and the right connecting plate, the outer end of the scraper plate is just in contact with the inner wall of the barrel, and the left end of the first rotating shaft is installed on the front end of the first motor, and the right end of the first rotating shaft is rotatably connected in the right shaft sleeve.
[0011] The beneficial effects of the utility model are:
[0012] 1. The utility model utilizes the second motor to rotate the second rotating shaft, driving the upper spiral conveying paddle to rotate continuously, thereby conveniently driving the sand material entering the feed hopper to quickly enter the barrel, avoiding the phenomenon of feed blockage, making the feeding faster and smoother; and the upper telescopic cylinder is extended to push the upper baffle to embed into the feed hopper, thereby cutting off the feeding, and the upper telescopic cylinder is retracted to pull the upper baffle away from the feed hopper, thereby achieving the purpose of discharging the material, and the operation is convenient and trouble-free.
[0013] 2. The utility model rotates the third rotating shaft through the third motor, which will drive the lower spiral conveying paddle to rotate, so as to facilitate the discharge of the sand material entering the lower hopper, making it quick and smooth to discharge the material, and the extension of the lower telescopic cylinder will push the lower baffle into the lower hopper, thereby stopping the discharge of the material, and the contraction of the lower telescopic cylinder will pull the lower baffle away from the lower hopper, thereby facilitating the discharge of the sand material, which is more convenient and saves trouble.
[0014] 3. The arrangement of the fixed sleeve, the supporting legs and the base in the utility model makes the installation of the barrel safe and stable, and the base is tilted with the left side higher and the right side lower, so that the sand material after being stirred and mixed in the barrel can slide to the right and the material can be easily discharged.
[0015] 4. The utility model can drive the stirring rod and the stirring plate to break up and stir the sand in the barrel by rotating the first rotating shaft through the first motor, so that the mixing is more uniform and faster, and the scraping plates on the upper and lower sides scrape off the sand adhering to the inner wall of the barrel while rotating, so as to avoid the sand adhering to the inner wall of the barrel being difficult to remove and easily causing waste, which is more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;
[0017] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;
[0018] Figure 3 It is a schematic diagram of the shell structure of the barrel of an embodiment of the utility model;
[0019] Figure 4 It is a schematic diagram of the structure arrangement on the first rotating shaft of an embodiment of the utility model.
[0020] In the figure: 1. barrel; 10. left fixed frame; 11. first motor; 12. right fixed frame; 13. right shaft sleeve; 14. supporting leg; 15. base; 16. fixed sleeve; 2. feed hopper; 20. second motor; 21. second rotating shaft; 22. upper screw conveyor paddle; 23. upper baffle; 24. upper telescopic cylinder; 25. upper sleeve plate; 3. lower hopper; 30. third motor; 31. third rotating shaft; 32. lower screw conveyor paddle; 33. lower baffle; 34. lower telescopic cylinder; 35. lower sleeve; 4. first rotating shaft; 40. stirring rod; 41. stirring plate; 42. scraper plate; 43. left connecting plate; 44. right connecting plate. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.
[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.
[0023] Figure 1It is a front view schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 The schematic diagram of the shell structure of the barrel of the utility model embodiment and Figure 4 It is a schematic diagram of the structure arrangement on the first rotating shaft of an embodiment of the utility model.
[0024] Reference Figures 1 to 4 As shown, the utility model provides a non-sticky material sand mixer, comprising a barrel 1, a feed hopper 2 and a lower hopper 3, the feed hopper 2 is arranged on the upper left side of the barrel 1, and a second motor 20 is installed on the right side of the feed hopper 2, a left fixed frame 10 is arranged at the left end of the barrel 1, and a first motor 11 is installed at the inner center of the left fixed frame 10, a lower hopper 3 is arranged on the lower right side of the barrel 1, and a third motor 30 is installed on the left side of the lower hopper 3, a right fixed frame 12 is arranged at the right end of the barrel 1, and a right shaft sleeve 13 is installed at the center of the inner side surface of the right fixed frame 12, a first rotating shaft 4 is installed at the inner center of the barrel 1, and the first rotating shaft 4 is a rotatable structure.
[0025] In this embodiment, a second rotating shaft 21 is installed at the front end of the second motor 20, an upper screw conveying paddle 22 is arranged on the second rotating shaft 21, and the second rotating shaft 21 and the upper screw conveying paddle 22 are both located in the feed hopper 2, and an upper baffle 23 is embedded in the lower part of the feed hopper 2, and the upper baffle 23 moves left and right in the horizontal direction; an upper telescopic cylinder 24 is fixed to the left end of the upper baffle 23, and the rear part of the upper telescopic cylinder 24 is sleeved in the upper sleeve plate 25, and the lower end of the upper sleeve plate 25 is fixed to the left fixed frame 10.
[0026] As a preferred embodiment, the utility model utilizes the second motor 20 to rotate the second rotating shaft 21, driving the upper screw conveying paddle 22 to rotate continuously, thereby conveniently driving the sand material entering the feed hopper 2 to quickly enter the barrel 1, avoiding the phenomenon of feed blockage, making the feeding faster and smoother; and the upper telescopic cylinder 24 is extended to push the upper baffle 23 to embed into the feed hopper 2, thereby cutting off the feeding, and the upper telescopic cylinder 24 is retracted to pull the upper baffle 23 away from the feed hopper 2, thereby achieving the purpose of discharging the material, and the operation is convenient and trouble-free.
[0027] In this embodiment, a third rotating shaft 31 is installed at the front end of the third motor 30, and a lower screw conveying paddle 32 is arranged on the third rotating shaft 31, and the third rotating shaft 31 and the lower screw conveying paddle 32 are both located in the lower hopper 3, and a lower baffle 33 is embedded in the upper part of the lower hopper 3; a lower telescopic cylinder 34 is installed at the right end of the lower baffle 33, and the rear part of the lower telescopic cylinder 34 is sleeved in the lower sleeve frame 35, and the lower telescopic cylinder 34 moves left and right in the horizontal direction, and the upper end of the lower sleeve frame 35 is fixed to the lower part of the right fixed frame 12.
[0028] As a preferred embodiment, the utility model rotates the third rotating shaft 31 through the third motor 30, which will drive the lower screw conveying paddle 32 to rotate, thereby facilitating the discharge of the sand material entering the lower hopper 3, making it quick and smooth to discharge the material, and the extension of the lower telescopic cylinder 34 will push the lower baffle 33 into the lower hopper 3, thereby stopping the discharge of the material, and the contraction of the lower telescopic cylinder 34 will pull the lower baffle 33 away from the lower hopper 3, thereby facilitating the discharge of the sand material, which is more convenient and saves trouble.
[0029] In this embodiment, a fixing sleeve 16 is sleeved on the middle part of the outer ring surface of the barrel 1, and a supporting leg 14 is fixed to the lower end of the fixing sleeve 16, and the lower end of the supporting leg 14 is fixed on the base 15.
[0030] As a preferred embodiment, the arrangement of the fixed sleeve 16, the supporting legs 14 and the base 15 in the utility model makes the installation of the barrel 1 safe and stable, and the base is tilted 15 degrees with the left side higher and the right side lower, so that the sand material after stirring and mixing in the barrel 1 can slide to the right conveniently and the discharge processing is convenient.
[0031] In this embodiment, multiple groups of stirring rods 40 are fixed on the upper and lower sides of the first rotating shaft 4, multiple groups of stirring plates 41 are fixed on the stirring rods 40, and the left and right parts of the first rotating shaft 4 are respectively fixed with a left connecting plate 43 and a right connecting plate 44, a scraper plate 42 is fixed between the two ends of the left connecting plate 43 and the right connecting plate 44, and the outer end of the scraper plate 42 is just in contact with the inner wall of the barrel 1, and the left end of the first rotating shaft 4 is installed at the front end of the first motor 11, and the right end of the first rotating shaft 4 is rotatably connected in the right shaft sleeve 13.
[0032] As a preferred embodiment, the utility model rotates the first rotating shaft 4 through the first motor 11 to drive the stirring rod 40 and the stirring plate 41 to break up and stir and mix the sand in the barrel 1, so that the mixing is more uniform and faster, and the scraper plates 42 on the upper and lower sides scrape off the sand adhered to the inner wall of the barrel 1 while rotating, so as to avoid the sand adhered to the inner wall of the barrel 1 being difficult to remove and easily causing waste, which is more convenient and practical.
[0033] The utility model can effectively solve the problem that the sand mixer in the prior art is easy to adhere to the inner wall during the mixing process, which is more difficult to remove over time, not only affecting the subsequent mixing of new sand materials, but also causing waste of sand material resources and being inconvenient and practical. The barrel of the utility model can feed and discharge materials quickly and smoothly, and it is easy to break up agglomerated sand materials, and the mixing is faster and more even. It is also convenient to scrape off the sand materials adhering to the inner wall while mixing, which is convenient for automatic cleaning and avoids waste of sand materials. It is more convenient and practical.
[0034] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.
Claims
1. A non-adhesive sand mixer, characterized in that: The invention comprises a barrel (1), a feed hopper (2) and a lower hopper (3), wherein the feed hopper (2) is arranged on the left side of the upper part of the barrel (1), and a second motor (20) is installed on the right side of the feed hopper (2), a left fixed frame (10) is arranged on the left end of the barrel (1), and a first motor (11) is installed at the inner center of the left fixed frame (10), a lower hopper (3) is arranged on the right side of the lower part of the barrel (1), and a third motor (30) is installed on the left side of the lower hopper (3), a right fixed frame (12) is arranged on the right end of the barrel (1), and a right shaft sleeve (13) is installed at the inner center of the right fixed frame (12), and a first rotating shaft (4) is installed at the inner center of the barrel (1), and the first rotating shaft (4) is a rotatable structure.
2. A non-adhesive material sand mixer according to claim 1, characterized in that: A second rotating shaft (21) is mounted at the front end of the second motor (20), an upper screw conveying paddle (22) is arranged on the second rotating shaft (21), the second rotating shaft (21) and the upper screw conveying paddle (22) are both located in the feed hopper (2), and an upper baffle (23) is embedded in the lower part of the feed hopper (2), and the upper baffle (23) is movable left and right in a horizontal direction.
3. A non-adhesive material sand mixer according to claim 2, characterized in that: An upper telescopic cylinder (24) is fixed to the left end of the upper baffle plate (23), and the rear portion of the upper telescopic cylinder (24) is sleeved in an upper sleeve plate (25), and the lower end of the upper sleeve plate (25) is fixed to the left fixing frame (10).
4. The non-adhesive material sand mixer according to claim 1, characterized in that: A third rotating shaft (31) is mounted at the front end of the third motor (30), a lower screw conveying paddle (32) is arranged on the third rotating shaft (31), the third rotating shaft (31) and the lower screw conveying paddle (32) are both located in the lower hopper (3), and a lower baffle (33) is embedded in the upper part of the lower hopper (3).
5. The non-adhesive material sand mixer according to claim 4, characterized in that: A lower telescopic cylinder (34) is installed at the right end of the lower baffle (33), and the rear portion of the lower telescopic cylinder (34) is sleeved in a lower sleeve frame (35). The lower telescopic cylinder (34) is movable left and right in a horizontal direction, and the upper end of the lower sleeve frame (35) is fixed to the lower portion of the right fixed frame (12).
6. The non-adhesive material sand mixer according to claim 1, characterized in that: A fixing sleeve (16) is sleeved on the middle part of the outer ring surface of the barrel (1), and a supporting leg (14) is fixed to the lower end of the fixing sleeve (16), and the lower end of the supporting leg (14) is fixed on the base (15).
7. The non-adhesive material sand mixer according to claim 1, characterized in that: A plurality of stirring rods (40) are fixed to both upper and lower sides of the first rotating shaft (4), and a plurality of stirring plates (41) are fixed to the stirring rods (40). A left connecting plate (43) and a right connecting plate (44) are fixed to the left and right parts of the first rotating shaft (4), respectively. A scraper plate (42) is fixed between the two ends of the left connecting plate (43) and the right connecting plate (44), and the outer end of the scraper plate (42) is arranged to be in contact with the inner wall of the barrel (1). The left end of the first rotating shaft (4) is mounted on the front end of the first motor (11), and the right end of the first rotating shaft (4) is rotatably connected to the right shaft sleeve (13).