Rolling type sand mixer for casting molding sand
By using a rolling sand mixer for casting molding sand, the relative motion and mixing of the rolling wheel and the rolling disc solve the problem of poor molding sand mixing quality, improve the casting effect, and ensure the quality and mixing efficiency of the molding sand.
Patent Information
- Application Number
- CN202520432573.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-13
AI Technical Summary
In existing technologies, the poor mixing quality of casting sand leads to unsatisfactory casting results. Manual hand-held mixers have low mixing efficiency and cannot guarantee the quality of the molding sand.
A rolling sand mixer for casting molding sand was designed. Through the relative movement of the rolling wheel and the rolling disc, the binder is coated on the surface of the sand particles, and combined with stirring and mixing, the quality of the molding sand is ensured.
The mixing quality of molding sand was improved, ensuring the casting effect. Efficient molding sand preparation was achieved through the support of the barrel legs, the reinforcement of the structural stability by the reinforcing beams, the control of the feeding plate, and the power supply of the stirring power device.
Smart Images
Figure CN223811520U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foundry technology field, concretely is the rolling type sand mixer of foundry sand. BACKGROUND
[0002] In the process of casting high-quality castings, the corresponding casting sand needs to be used, and the corresponding additive needs to be added in the corresponding sand, so that the additive and the casting sand are fully mixed to ensure the quality of the sand. At present, the common mixing method is mainly to mix the sand and the additive placed in the mixing barrel by manually holding the mixer. This mixing method has poor mixing quality and cannot guarantee the quality of the sand, thereby affecting the subsequent casting effect. Therefore, in order to guarantee the mixing effect of the sand, a corresponding sand mixer is needed. SUMMARY
[0003] To solve the current technical problems, the main purpose of the utility model is to provide a rolling type sand mixer for foundry sand. The mixer can effectively coat the binder on the surface of the sand particles through the relative movement of the roller and the grinding disc, and can effectively stir and mix the foundry sand during the mixing process, thereby ensuring the quality of the prepared sand.
[0004] In order to realize the above technical features, the purpose of the utility model is realized as follows: the rolling type sand mixer for foundry sand comprises a mixing barrel body, a plurality of barrel body legs are fixed to the outer wall of the mixing barrel body, the bottom of the mixing barrel body is closed by a barrel bottom plate, a discharge gap is provided on one side of the barrel bottom plate, a discharge plate mechanism for controlling the discharging process is provided at the position of the discharge gap, a discharge hopper is provided directly below the discharge gap, a central shaft is rotatably installed at the center of the barrel bottom plate, an rolling stirring disc is fixedly installed at the top end of the central shaft, the rolling stirring disc cooperates with the inner top of the barrel bottom plate, and the bottom end of the central shaft is connected with a stirring power device for providing power.
[0005] The barrel body legs are at least three groups and are uniformly fixed to the outer wall of the mixing barrel body, and the barrel body legs are made of channel steel material.
[0006] The lower parts of the barrel body legs are fixedly connected through a reinforcing beam.
[0007] The discharge plate mechanism comprises a discharge plate, the discharge plate is hinged to an ear seat through a discharge plate shaft, the ear seat is fixed to the outer wall of the mixing barrel body and located at the position of the discharge gap.
[0008] The discharge gap and the discharge plate are both arc-shaped structures.
[0009] The central shaft and the barrel bottom plate are in sealing rotary cooperation.
[0010] The stirring power device comprises a motor fixed on the top end of the support table through a motor base, the support table is fixed between the barrel legs, the motor main shaft of the motor is connected with the input shaft of the speed reducer, and the speed reducer output shaft of the speed reducer is connected with the central shaft transmission.
[0011] The speed reducer output shaft is connected with the central shaft through a key and transmits torque.
[0012] A handle is fixed on the outer wall of the discharging plate.
[0013] The utility model has the advantages of the following:
[0014] 1、The sand mixer of the utility model can make the binder effectively cover the surface of sand grains through rolling and pressing, and can effectively mix and stir the foundry sand during the mixing process, thereby ensuring the quality of the prepared sand.
[0015] 2、The barrel legs can reliably support the mixing barrel.
[0016] 3、The reinforcing beams enhance the structural stability and reliability of the barrel legs.
[0017] 4、The discharging plate mechanism can be used to control the discharging process.
[0018] 5、The arc-shaped structure can cooperate with the corresponding discharging gap.
[0019] 6、The stirring power device can provide power for mixing and stirring. BRIEF DESCRIPTION OF DRAWINGS
[0020] The utility model will be further described below in combination with the drawings and examples.
[0021] Figure 1 It is the first perspective three-dimensional drawing of the overall structure of the utility model.
[0022] Figure 2 It is the second perspective three-dimensional drawing of the overall structure of the utility model.
[0023] Figure 3 It is the third perspective three-dimensional drawing of the overall structure of the utility model.
[0024] Figure 4 It is the fourth perspective three-dimensional drawing of the overall structure of the utility model.
[0025] Figure 5 It is the fifth perspective three-dimensional drawing of the overall structure of the utility model.
[0026] In the figure: barrel support leg 1, reinforcing beam 2, support table 3, lower hopper 4, handle 5, lower discharge plate 6, ear seat 7, lower discharge gap 8, lower discharge plate pivot 9, mixing barrel 10, motor 11, motor base 12, speed reducer 13, barrel bottom plate 14, speed reducer output shaft 15, center shaft 16, key 17, motor spindle 18, input shaft 19, roller compaction stirring disc 20. DETAILED DESCRIPTION
[0027] The embodiment of the utility model will be further described below in combination with the drawings.
[0028] Referring to Figures 1-5 , the roller compaction sand mixer for foundry sand comprises a mixing barrel 10, a plurality of barrel support legs 1 are fixed to the outer wall of the mixing barrel 10, the bottom of the mixing barrel 10 is closed by a barrel bottom plate 14, a discharge gap 8 is arranged on one side of the barrel bottom plate 14, a discharge plate mechanism for controlling the discharging process is arranged at the position of the discharge gap 8, a lower hopper 4 is arranged directly below the discharge gap 8, a center shaft 16 is rotatably installed at the center position of the barrel bottom plate 14, a roller compaction stirring disc 20 is fixedly installed at the top end of the center shaft 16, the roller compaction stirring disc 20 cooperates with the inner top of the barrel bottom plate 14, and the bottom end of the center shaft 16 is connected with a stirring power device for providing power. Through the relative movement of the roller and the roller disc, the roller compaction sand mixer can effectively coat the binder on the surface of the sand particles through roller compaction, and can effectively stir and mix the foundry sand during the mixing process, thereby ensuring the quality of the prepared sand. During specific use, the foundry sand and the required additives are simultaneously put into the inside of the mixing barrel 10, then the stirring power device is started, the center shaft 16 is driven by the stirring power device, the roller compaction stirring disc 20 is driven by the center shaft 16, and the roller compaction stirring disc 20 cooperates with the inner bottom of the barrel bottom plate 14 to realize stirring and mixing while roller compaction of the sand.
[0029] Further, the barrel support legs 1 are at least three groups and are uniformly fixed to the outer wall of the mixing barrel 10, and the barrel support legs 1 are made of channel steel. The barrel support legs 1 can reliably support the mixing barrel 10.
[0030] Further, the lower parts of the barrel support legs 1 are fixedly connected by a reinforcing beam 2. The reinforcing beam 2 enhances the structural stability and reliability of the barrel support legs 1.
[0031] Further, the discharging plate mechanism comprises a discharging plate 6 hinged to an ear seat 7 through a discharging plate pivot 9, the ear seat 7 is fixed to the outer wall of the mixing barrel body 10 and located at the position of the discharging gap 8. The above-mentioned discharging plate mechanism can be used to control the discharging process. When the mixing and stirring are completed and the discharging is needed, the discharging plate 6 is rotated, the discharging gap 8 is opened through the discharging plate 6, and then the normal discharging process is realized through the discharging gap 8.
[0032] Further, the discharging gap 8 and the discharging plate 6 adopt an arc structure. The above-mentioned arc structure can cooperate with the corresponding discharging gap 8.
[0033] Further, the center shaft 16 and the barrel bottom plate 14 adopt a sealing rotary connection. Through the above-mentioned sealing rotary connection, the sealing of the barrel bottom plate 14 is realized.
[0034] Further, the stirring power device comprises a motor 11 fixed to the top end of the support table 3 through a motor base 12, the support table 3 is fixed between the barrel legs 1, the motor main shaft 18 of the motor 11 is connected with the input shaft 19 of the speed reducer 13, and the speed reducer output shaft 15 of the speed reducer 13 is connected with the center shaft 16 in transmission. The above-mentioned stirring power device can be used to provide the power for mixing and stirring. In the working process, the motor 11 drives the speed reducer 13, the speed reducer 13 drives the center shaft 16, and then the center shaft 16 drives the rolling stirring disc 20 to rotate, thereby realizing the stirring and mixing of the materials in the mixing barrel 10.
[0035] Further, the speed reducer output shaft 15 is connected with the center shaft 16 through a key 17 and transmits torque. The above-mentioned key 17 can be used to transmit torque.
[0036] Further, the outer wall of the discharging plate 6 is fixed with a handle 5. The above-mentioned handle 5 facilitates the rotation of the discharging plate 6.
[0037] The working process and principle of the utility model:
[0038] When the sand mixer is needed to mix the foundry sand, first, according to the corresponding proportion, the sand and the required additives are put into the mixing barrel 10, then the stirring power device is started, the motor main shaft 18 is driven by the motor 11, the speed reducer 13 is driven by the motor main shaft 18, the speed reducer output shaft 15 is driven by the speed reducer 13, the center shaft 16 is driven by the speed reducer output shaft 15, and then the rolling stirring disc 20 is driven to rotate by the center shaft 16, thereby realizing the stirring and mixing of the materials in the mixing barrel 10.
Claims
1. A roll mill for molding sand, characterized by, The utility model provides a mixing barrel, which comprises a mixing barrel body (10), a plurality of barrel supporting legs (1) are fixed to the outer wall of the mixing barrel body (10), the bottom of the mixing barrel body (10) is closed by a barrel bottom plate (14), one side of the barrel bottom plate (14) is provided with a discharging gap (8), a discharging plate mechanism for controlling the discharging process is arranged at the position of the discharging gap (8), a discharging hopper (4) is arranged directly below the discharging gap (8), a central shaft (16) is rotatably installed at the central part of the barrel bottom plate (14), the top end of the central shaft (16) is fixedly installed with a rolling stirring disc (20), the rolling stirring disc (20) is matched with the inner top of the barrel bottom plate (14), and the bottom end of the central shaft (16) is connected with a stirring power device for providing power.
2. The roll-type molding machine for molding molding sand according to claim 1, characterized by: The barrel supporting legs (1) are at least three groups and are uniformly fixed to the outer wall of the mixing barrel body (10), and the barrel supporting legs (1) are made of channel steel.
3. The roll mill for molding sand according to claim 2, wherein: The lower parts of the barrel supporting legs (1) are fixedly connected through a reinforcing beam (2).
4. The roll-type muller for molding sand according to claim 1, wherein: The discharging plate mechanism comprises a discharging plate (6), the discharging plate (6) is hingedly connected to an ear seat (7) through a discharging plate pivot (9), the ear seat (7) is fixed to the outer wall of the mixing barrel body (10) and located at the position of the discharging gap (8).
5. The roll mill for molding sand according to claim 1, wherein: The discharging gap (8) and the discharging plate (6) are both in arc-shaped structures.
6. The roll-type muller for molding sand according to claim 1, wherein: The central shaft (16) and the barrel bottom plate (14) are in sealing rotary cooperation.
7. The roll mill for molding sand according to claim 1, wherein: The stirring power device comprises a motor (11), the motor (11) is fixed to the top end of a supporting table (3) through a motor base (12), the supporting table (3) is fixed between the barrel supporting legs (1), the motor main shaft (18) of the motor (11) is connected with the input shaft (19) of a speed reducer (13), the speed reducer output shaft (15) of the speed reducer (13) is in transmission connection with the central shaft (16).
8. The roll mill for molding sand according to claim 7, characterized in that: The speed reducer output shaft (15) is connected with the central shaft (16) through a key (17) and transmits torque.
9. The roll-type muller for molding sand according to claim 4, wherein: A handle (5) is fixed to the outer wall of the discharging plate (6).