Special sand casting device for casting
By designing the feeding and sand-turning components, the simultaneous feeding and reverse mixing of multiple casting raw materials were achieved, solving the problems of uneven mixing and low efficiency, and improving casting quality and efficiency.
Patent Information
- Application Number
- CN202520406243.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing casting-specific sand-turning devices cannot add multiple casting raw materials at the same time, resulting in uneven mixing and low turning efficiency.
The design incorporates a feeding assembly and a sand-turning assembly. Multiple raw materials can be simultaneously fed into the sand-turning drum through a baffle ring and multiple discharge holes. The drive shaft and driven shaft drive the stirring rod to rotate in opposite directions, achieving mixing in different directions.
This ensures that the mixing time for different raw materials is consistent, improving the uniformity of mixing and the efficiency of sand turning.
Smart Images

Figure CN223801497U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to foundry equipment technical field, especially, relate to a foundry special sand mixing device. BACKGROUND
[0002] Sand casting is a processing method for producing castings in molding sand, and uses foundry sand and molding sand binder as molding material. The resin sand particles are placed in the mold to complete the core making, and then the melting, pouring, cleaning and heat treatment processes are carried out to obtain the final casting. In the sand casting process, the foundry special sand mixing device is used to mix and process the casting raw sand, molding sand binder and auxiliary materials.
[0003] After searching, a foundry special sand mixing device is disclosed in the patent publication No. CN218452574U, but it still has the following disadvantages in actual use:
[0004] 1. The foundry special sand mixing device disclosed in the patent publication No. CN218452574U, the first drive is started, the feeding disc rotates in the containing groove, and the raw materials needed to be added are rotated to the feeding port position for discharging. However, the feeding port has only one, so that different casting raw materials cannot enter the inside of the barrel at the same time, and the mixing time of different casting raw materials is inconsistent, which can cause uneven mixing of different casting raw materials, and thus reduce the casting sand mixing quality.
[0005] 2. The foundry special sand mixing device disclosed in the patent publication No. CN218452574U, the second drive is started to rotate the first rotating shaft, and the sand mixing part is rotated to mix and process the raw materials in the barrel. However, it is not convenient to mix and process the raw materials in the barrel in different directions, which requires more time, and thus reduces the efficiency of the foundry sand mixing.
[0006] Therefore, we provide a foundry special sand mixing device to solve the above problems. INVENTION CONTENTS
[0007] The utility model aims at providing a foundry special sand mixing device, which is provided with a feeding assembly to simultaneously feed different molding sand raw materials, so that the mixing time of different raw materials is consistent, and the sand mixing quality is improved. The sand mixing assembly is provided to mix and process the molding sand raw materials in different directions, which accelerates the sand mixing efficiency, and thus solves the technical problems in the background technology of the foundry special sand mixing device disclosed in the patent publication No. CN218452574U.
[0008] To solve the above technical problems, the utility model is realized by the following technical solutions:
[0009] The utility model discloses a foundry special sanding device, including sanding bucket, be provided with the feeding assembly on the sanding bucket, the feeding assembly contains the material blocking ring of sleeveing in the inner peripheral side of sanding bucket, the upper surface of material blocking ring has the through -hole of annular array opening, the inner peripheral side rotation connection of sanding bucket's material bucket is set up on material blocking ring, the lower surface of material bucket has the discharge hole of annular array opening, the upper part of the circumferential side of the main shaft of vertical type rotation connection in the middle part of material bucket has the sleeveing of driving wheel, the outside connection of sanding bucket's outside has rotation connection's driven shaft, the circumferential side upper part of driven shaft has the sleeveing of driven wheel, the driven wheel and driving wheel commonly sleeve have transmission belt, and the circumferential sleeve of driven shaft sleeveing from gear is located below driven wheel, the outer peripheral side of the material bucket sleeveing is connected in the main gear of the lateral engagement of from gear, the lower surface of material bucket has the sanding assembly of setting, the sanding assembly contains the stirring shaft of annular array connection on the lower surface of material bucket, the circumferential surface of stirring shaft has the connection of from stirring rod, the circumferential surface of main shaft has the connection of main stirring rod.
[0010] The utility model further sets up, the lower surface of sanding bucket is connected with the valve of the discharge hopper of intercommunication fixed connection, and the lower part of the outer peripheral side of sanding bucket has the support of annular array fixed connection.
[0011] The utility model further sets up, one end surface of the water pump connected on the lateral wall of sanding bucket has the intercommunication fixed connection of intercommunication pipe, the other end surface of water pump has the intercommunication fixed connection of connecting pipe, the inner lateral wall of sanding bucket has the embedding connection of annular pipe, and the lateral wall of annular pipe has the spray head of annular array intercommunication fixed connection, the upper end of connecting pipe penetrates the lateral wall of sanding bucket and is communicated with annular pipe.
[0012] The utility model further sets up, the support board of the outer peripheral side sleeve of sanding bucket has the rack of connection, the inner top of rack has the motor of connection, and the output end of motor is connected with the upper end of main shaft.
[0013] The utility model further sets up, the inner bottom of material bucket has the partition board of fixed connection, and the cross section of partition board is cross - shaped structure.
[0014] The utility model further sets up, the number of through -hole is equal with the number of discharge hole, and the inner diameter size of through -hole is equal with the inner diameter size of discharge hole.
[0015] The utility model further sets up, the main stirring rod and from stirring rod are misaligned and set up, the lower end surface connection of main shaft is the scraper of U shape structure, and the inner lateral wall of sanding bucket is contacted with scraper.
[0016] The utility model has the following beneficial effects:
[0017] 1. This utility model sets up a feeding component, starts the motor to make the material bucket rotate, and has multiple discharge holes at the bottom of the material bucket. At the same time, multiple through holes are opened on the baffle ring sleeved on the inner circumference of the sand turning bucket. When the discharge hole and the through hole are aligned, different molding sand materials enter the interior of the sand turning bucket at the same time, ensuring that different molding sand materials are constantly and consistently stirred and mixed, which helps to improve the uniformity of mixing different molding sand materials and improve the sand turning quality.
[0018] 2. This utility model, by setting up a sand-turning assembly, has a rotating drive shaft that drives the main stirring rod to rotate, and a rotating material bucket that drives the driven stirring rod to rotate. The drive shaft and the material bucket rotate in opposite directions, thereby enabling the main stirring rod and the driven stirring rod to stir the molding sand material inside the sand-turning bucket in different rotation directions, which helps to speed up the sand-turning efficiency.
[0019] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.
[0021] Figure 1 A three-dimensional schematic diagram of a special sand casting device. Figure 1 ;
[0022] Figure 2 A three-dimensional schematic diagram of a special sand casting device. Figure 2 ;
[0023] Figure 3 This is an exploded view of the sand-turning bucket, the baffle ring, and the material bucket;
[0024] Figure 4 This is a schematic diagram showing the connection between the material bucket and the sand-forming assembly.
[0025] Figure 5 This is a schematic diagram showing the connection between the sand-turning bucket, water pump, and ring pipe.
[0026] The attached diagram lists the components represented by each number as follows:
[0027] 1 - flask, 101 - discharge hopper, 102 - foot, 103 - water pump, 103a - communication pipe, 103b - connecting pipe, 103c - annular pipe, 103d - spray head, 2 - feeding assembly, 201 - motor, 201a - frame, 201b - support plate, 202 - driving shaft, 203 - material bucket, 203a - partition plate, 203b - discharge hole, 204 - transmission belt, 204a - driving wheel, 204b - driven wheel, 205 - mounting seat, 205a - driven shaft, 206 - driven gear, 206a - main gear, 207 - material blocking ring, 207a - through hole, 3 - flasking assembly, 301 - main stirring rod, 302 - stirring shaft, 303 - sub stirring rod. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0029] Embodiment 1
[0030] Please refer to Figure 1 , Figure 2 and Figure 5 , the present application is a kind of flasking device special for casting, including flask 1, discharge hopper 101, foot 102, water pump 103 and annular pipe 103c, discharge hopper 101 is used to discharge mixed material in the inside of flask 1, control water pump 103, water is guided to the inside of flask 1;
[0031] Specifically, the discharge hopper is communicated and fixed on the lower surface of the flask 1, the foot 102 is connected to the lower part of the outside of the flask 1, the water pump 103 is connected to the outside of the flask 1, and the water pump 103 has a communication pipe 103a communicated at one end face, the water pump 103 has a connecting pipe 103b communicated at the other end, the annular pipe 103c is embedded and connected to the inner circumferential side of the flask 1, and the annular pipe 103c has a spray head 103d communicated on the side wall, and the upper end of the connecting pipe 103b penetrates the side wall of the flask 1 and communicates with the annular pipe 103c;
[0032] Further, the foot 102 is arranged in a ring array, and the spray head 103d is arranged in a ring array.
[0033] The operation process of the embodiment is that the water pump 103 is started, water enters the inside of the annular pipe 103c through the communication pipe 103a, the water pump 103 and the connecting pipe 103b, and the water in the inside of the annular pipe 103c enters the inside of the sanding barrel 1 through the spray head 103d; the valve on the discharge hopper 101 is opened, and the mixed material in the inside of the sanding barrel 1 is discharged through the discharge hopper 101.
[0034] Embodiment 2
[0035] Please refer to Figure 1 、 Figure 2 and Figure 3 , on the basis of the specific embodiment one, the feeding assembly 2 is provided, the feeding assembly 2 includes a motor 201, a driving shaft 202, a material barrel 203, a discharge hole 203b, a material blocking ring 207 and a through hole 207a, which facilitates the simultaneous feeding of different types of sand mold casting related raw materials into the inside of the sanding barrel 1, so that the different raw materials are subjected to consistent stirring time, which is beneficial to the uniform mixing and stirring of different raw materials and improves the sanding quality;
[0036] Specifically, the outer periphery of the sanding barrel 1 has a sleeve plate 201b, the sleeve plate 201b has a connected rack 201a, the inner top of the rack 201a has a connected motor 201, the output end of the motor 201 is vertically connected with a driving shaft 202, the material barrel 203 is rotationally connected in the inside of the sanding barrel 1, and the lower surface of the material barrel 203 has a discharge hole 203b, the material blocking ring 207 is sleeved on the inner periphery of the sanding barrel 1, the upper surface of the material blocking ring 207 is in contact with the lower surface of the material barrel 203, and the material blocking ring 207 has a through hole 207a, the inner bottom of the material barrel 203 has a connected partition plate 203a, the driving shaft 202 penetrates the partition plate 203a and the material barrel 203 from top to bottom, the periphery of the driving shaft 202 has a sleeved driving wheel 204a, the outer side of the sanding barrel 1 has a connected mounting seat 205, the mounting seat 205 has a rotationally connected driven shaft 205a, the periphery of the driven shaft 205a has a sleeved driven wheel 204b, the driving wheel 204a and the driven wheel 204b jointly sleeve a transmission belt 204, the periphery of the driven shaft 205a has a sleeved driven gear 206, the side of the driven gear 206 is engagedly connected with a main gear 206a, and the main gear 206a is sleeved on the outer periphery of the material barrel 203.
[0037] Further, the cross section of the rack 201a is in inverted U-shaped structure, and the cross section of the partition plate 203a is in cross-shaped structure.
[0038] The operation process of the embodiment is that the motor 201 is started, the driving shaft 202 rotates, the driving wheel 204a rotates, the driven wheel 204b rotates, the driven shaft 205a rotates, the gear 206 rotates, the main gear 206a rotates, the barrel 203 rotates, the discharge hole 203b rotates, when the discharge hole 203b moves to be aligned with the through hole 207a, different sand casting materials in the barrel 203 pass through different discharge holes 203b and the through hole 207a into the inside of the flask 1, and when the discharge hole 203b is completely dislocated with the through hole 207a, the feeding is stopped.
[0039] Embodiment 3
[0040] Please refer to Figure 4 On the basis of the specific embodiment one and the specific embodiment two, the flask assembly 3 is provided, which comprises the main stirring rod 301, the stirring shaft 302 and the slave stirring rod 303, the main stirring rod 301 and the slave stirring rod 303 rotate in opposite directions, so that the sand raw materials in the inside of the flask 1 are stirred in different directions, which is beneficial to accelerate the stirring and mixing efficiency.
[0041] Specifically, the main stirring rod 301 is connected to the circumferential surface of the driving shaft 202, the stirring shaft 302 is connected to the lower surface of the barrel 203, and the circumferential surface of the stirring shaft 302 is connected with the slave stirring rod 303.
[0042] Further, the stirring shaft 302 is arranged in a ring array.
[0043] The operation process of the embodiment is that the driving shaft 202 rotates to drive the main stirring rod 301 to rotate, so as to stir and mix the raw materials in the inside of the flask 1, and the barrel 203 rotates to drive the stirring shaft 302 to rotate, and the slave stirring rod 303 rotates with the stirring shaft 302, so as to stir and mix the raw materials in the inside of the flask 1.
[0044] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
Claims
1. A foundry-specific flasking device comprising a flasking barrel (1), characterized in that: The sanding barrel (1) is provided with a feeding assembly (2), which comprises a material blocking ring (207) sleeved on the inner circumferential side of the sanding barrel (1), the upper surface of the material blocking ring (207) is provided with through holes (207a) arranged in an annular array, a material barrel (203) rotatably connected to the inner circumferential side of the sanding barrel (1) is arranged on the material blocking ring (207), the lower surface of the material barrel (203) is provided with discharge holes (203b) arranged in an annular array, the central part of the material barrel (203) is provided with a driving shaft (202) rotatably connected in a vertical manner, the upper part of the circumferential side of the driving shaft (202) is sleeved with a driving wheel (204a), the outer side of the sanding barrel (1) is provided with a mounting seat (205) rotatably connected with a driven shaft (205a), the upper part of the circumferential side of the driven shaft (205a) is sleeved with a driven wheel (204b), the driven wheel (204b) and the driving wheel (204a) are jointly sleeved with a transmission belt (204), and a driven gear (206) sleeved on the circumferential side of the driven shaft (205a) is located below the driven wheel (204b), the driven gear (206) is meshingly connected with a main gear (206a) sleeved on the outer circumferential side of the material barrel (203); The lower surface of the material barrel (203) is provided with a sanding assembly (3), which comprises a stirring shaft (302) connected to the lower surface of the material barrel (203) in an annular array, the circumferential side of the stirring shaft (302) is connected with a plurality of stirring rods (303), and the circumferential side of the driving shaft (202) is connected with a main stirring rod (301).
2. A foundry special purpose flasking apparatus as claimed in claim 1 wherein: The lower surface of the sanding barrel (1) is connected with a valve communicated with a discharge hopper (101) fixedly connected thereto, and the lower part of the outer circumferential side of the sanding barrel (1) is provided with a plurality of supporting legs (102) fixedly connected in an annular array.
3. A foundry special purpose flasking apparatus as claimed in claim 2 wherein: One end surface of a water pump (103) connected to the outer side wall of the sanding barrel (1) is communicated and fixedly connected with a communication pipe (103a), the other end surface of the water pump (103) is communicated and fixedly connected with a connecting pipe (103b), the inner side wall of the sanding barrel (1) is embeddedly connected with an annular pipe (103c), the side wall of the annular pipe (103c) is communicated and fixedly connected with a plurality of nozzles (103d) arranged in an annular array, and the upper end of the connecting pipe (103b) penetrates through the outer side wall of the sanding barrel (1) and communicates with the annular pipe (103c).
4. A foundry flask according to claim 1, wherein: The outer circumferential side of the sanding barrel (1) is sleeved with a support plate (201b), the support plate (201b) is connected with a rack (201a), the inner top of the rack (201a) is connected with a motor (201), and the output end of the motor (201) is connected with the upper end of the driving shaft (202).
5. A foundry flask according to claim 1, wherein: The inner bottom of the material barrel (203) is fixedly connected with a partition plate (203a), and the cross section of the partition plate (203a) is in a cross shape.
6. A foundry flask according to claim 1, wherein: The number of the through holes (207a) is equal to the number of the discharge holes (203b), and the inner diameter of the through holes (207a) is equal to the inner diameter of the discharge holes (203b).
7. A foundry flask according to claim 1, wherein: The main stirring rod (301) is arranged in a staggered mode with the slave stirring rod (303), the lower end surface of the main driving shaft (202) is connected with a U-shaped scraper, and the scraper is in contact with the inner side wall of the sanding bucket (1).