Molding sand discharging bin
By introducing a rake assembly and a buffer and shock-absorbing structure into the molding sand discharge silo, the problems of filter plate clogging and vibration were solved, achieving efficient filtration and vibration reduction.
Patent Information
- Application Number
- CN202520407051.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing molding sand cooling silos are prone to clogging on the filter plates and lack buffering and shock absorption functions, resulting in severe vibration during use.
A molding sand discharge bin was designed, equipped with a rake assembly and a shock-absorbing structure. The assembly includes a rake assembly and a fixed frame. The motor drives the rotating rod to move the crossbar and rake bar to rake the molding sand, and the damping rod and spring are used for shock absorption.
It effectively prevents molding sand from clogging the filter plate, increases the filtration speed, and reduces equipment vibration through damping rods and spring structures, thereby improving the equipment's usability.
Smart Images
Figure CN223902865U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the sand bunker technical field, specifically relates to a sand bunker. BACKGROUND
[0002] Sand is a material used for molding in foundry. Sand is generally made of foundry sand, sand binder and auxiliary materials, etc. molding materials mixed according to a certain proportion. Sand can be divided into clay sand, water glass sand, cement sand, resin sand, etc. according to the binder used. Clay sand, water glass sand and resin sand are used the most.
[0003] Chinese patent application No. 2017200887090 discloses a sand cooling bunker, which solves the problem of low utilization rate of cooling water in the sand cooling bunker. The technical scheme is that the sand cooling bunker comprises a bunker body, a cooling pipe arranged in a serpentine shape is arranged in the bunker body, the cooling pipe comprises a cooling straight pipe penetrating through the front and rear end faces of the bunker body and a cooling U-shaped pipe connected between two adjacent cooling straight pipes, the bunker body is provided with at least two cooling pipes arranged in parallel with each other, the upper and lower adjacent cooling pipes are connected through a U-shaped transition pipe, and the bunker body is further provided with a filter plate for supporting the cooling pipe, the filter plate is provided with filter holes for the sand to pass through, the sand is cooled by injecting cooling water from the lower cooling pipe, and the utilization rate of the cooling water of the sand cooling bunker is high.
[0004] The above disclosed patent does not have a raking function, and the sand is prone to blockage when being cooled and cooled on the filter plate. The original device cannot rake the sand on the filter plate, and the original device does not have a buffer and shock absorption. The device will vibrate when in use, and the original device cannot buffer and shock absorb the device. UTILITY MODEL CONTENT
[0005] To solve the problems in the background art, the utility model provides a sand bunker with a raking function, which can rake the sand on the filter plate.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a sand bunker, comprising a bunker body, a discharge port is arranged at the middle position of the lower end of the bunker body, supporting legs are arranged at the two sides of the lower end of the bunker body, a plurality of filter plates are arranged in the bunker body, a plurality of cooling pipes are arranged in the bunker body in correspondence with the filter plates, and a raking assembly is arranged in the bunker body.
[0007] The rake assembly comprises a cross plate, a motor, a rotating rod, a cross rod, a rake rod and a stirring assembly, wherein the cross plate is arranged on one side of the upper end of the bin body, the motor is arranged on the upper end of the cross plate, the rotating rod is arranged at the output end of the motor, the cross rod is arranged at the positions corresponding to the filter plates at the two ends of the rotating rod, the cross rod is arranged with the rake rod at the lower end, and the stirring assembly is arranged at the lower side of one end of the rotating rod.
[0008] Preferably, the stirring assembly comprises a scraper, an elongated rod, a short rod and a reinforcing rod, wherein the elongated rod is arranged at the lower side of one end of the rotating rod, the scraper is arranged at the other end of the elongated rod, the short rod is arranged at the lower side between the scraper and the rotating rod, and the reinforcing rod is arranged between the short rod and the elongated rod.
[0009] Preferably, the upper end of the cross rod is lower than the lower end of the cooling pipe, and the lower end of the rake rod is tangent to the upper end of the filter plate and the inner wall of the bin body away from one end of the rotating rod.
[0010] Preferably, the scraper is close to the inner wall of the bin body away from one end of the reinforcing rod, and the reinforcing rod is welded between the elongated rod and the short rod and between the reinforcing rod and the short rod by spot welding.
[0011] Preferably, the lower side of the supporting leg is provided with a fixed frame, the lower end of the supporting leg is provided with a sliding plate, the lower end of the sliding plate is provided with a damping rod on both sides, the outer side of the damping rod between the sliding plate and the fixed frame is provided with a spring, the both ends of the sliding plate are provided with protrusions, and both ends of the fixed frame are provided with sliding grooves corresponding to the protrusions.
[0012] Preferably, the upper end of the fixed frame is provided with sliding holes corresponding to the supporting legs, the both ends of the sliding plate are close to the inner wall of the fixed frame, and the supporting leg and the sliding plate are welded by pressure welding.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、The utility model discloses a filter plate type sand rake assembly, which can improve the filtering speed of the filter plate for the type sand and avoid the type sand from being blocked on the filter plate.
[0015] 2、The utility model discloses a filter plate type sand rake assembly, which can improve the filtering speed of the filter plate for the type sand and avoid the type sand from being blocked on the filter plate. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a perspective view of the utility model;
[0017] Figure 2 It is the sectional view perspective drawing of the silo body of the utility model;
[0018] Figure 3 It is the perspective drawing of the rotating rod of the utility model;
[0019] Figure 4 It is the perspective drawing of the fixed frame of the utility model;
[0020] In the drawing: 1, silo body; 2, rake material assembly; 21, horizontal plate; 22, motor; 23, rotating rod; 24, cross bar; 25, rake rod; 26, stirring assembly; 261, scraper; 262, long rod; 263, short rod; 264, reinforcing rod; 3, filter plate; 4, cooling pipe; 5, supporting leg; 6, discharge port; 7, fixed frame; 8, sliding plate; 9, protruding block; 10, sliding groove; 11, damping rod; 12, spring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Embodiment 1
[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme: a sand discharging silo, which comprises a silo body 1, a discharge port 6 is arranged at the middle position of the lower end of the silo body 1, supporting legs 5 are arranged at the two sides of the lower end of the silo body 1, a plurality of filter plates 3 are arranged in the silo body 1, a plurality of cooling pipes 4 are arranged in the silo body 1 at positions corresponding to the filter plates 3, and a rake material assembly 2 is arranged in the silo body 1.
[0024] The rake material assembly 2 comprises a horizontal plate 21, a motor 22, a rotating rod 23, a cross bar 24, a rake rod 25 and a stirring assembly 26, wherein the horizontal plate 21 is arranged at one side of the upper end of the silo body 1, the motor 22 is arranged at the upper end of the horizontal plate 21, the rotating rod 23 is arranged at the output end of the motor 22, the cross bar 24 is arranged at positions corresponding to the filter plates 3 at the two ends of the rotating rod 23, the rake rod 25 is arranged at the lower end of the cross bar 24, and the stirring assembly 26 is arranged at the lower side of one end of the rotating rod 23.
[0025] Specifically, the stirring assembly 26 comprises a scraper 261, a long rod 262, a short rod 263 and a reinforcing rod 264, wherein the long rod 262 is arranged at one end of the lower side of the rotating rod 23, the scraper 261 is arranged at the other end of the long rod 262, the short rod 263 is arranged between the scraper 261 and the rotating rod 23 at the lower side, and the reinforcing rod 264 is arranged between the long rod 262 and the short rod 263.
[0026] By adopting the above technical scheme, the rotating rod 23 drives the long rod 262 and the short rod 263 to rotate, the long rod 262 and the short rod 263 rotate to avoid the sand from being accumulated at the lower end of the inside of the bunker body 1 and causing blockage, at the same time, the long rod 262 and the short rod 263 rotate to drive the scraper 261 to rotate, the scraper 261 rotates to clean the inner wall of the lower end of the inside of the bunker body 1, so as to avoid the sand from being attached, and the reinforcing rod 264 is arranged between the long rod 262 and the short rod 263 to make them more stable.
[0027] Specifically, the upper end of the horizontal rod 24 is lower than the lower end of the cooling pipe 4, the lower end of the rake rod 25 is tangent to the upper end of the filter plate 3, and the end of the horizontal rod 24 away from the rotating rod 23 is tangent to the inner wall of the bunker body 1.
[0028] By adopting the above technical scheme, the upper end of the horizontal rod 24 will not hit the cooling pipe 4, the lower end of the rake rod 25 will not scratch the upper end of the filter plate 3, and the end of the horizontal rod 24 will not scratch the inner wall of the bunker body 1.
[0029] Specifically, the end of the scraper 261 away from the reinforcing rod 264 is close to the inner wall of the bunker body 1, and the reinforcing rod 264 is welded between the long rod 262 and the short rod 263 by spot welding.
[0030] By adopting the above technical scheme, the scraper 261 has better cleaning effect on the inner wall of the bunker body 1, and the reinforcing rod 264 is more stable between the long rod 262 and the short rod 263 by spot welding.
[0031] In this embodiment, when using the molding sand discharge hopper, the device is installed in a suitable position, coolant is injected into the cooling pipe 4, and then the used molding sand is poured into the hopper body 1. Several filter plates 3 can filter the molding sand, and the cooling pipe 4 can cool the molding sand. After filtration and cooling, the molding sand is discharged from the hopper body 1 through the discharge port 6. By setting up the rake assembly 2, when the filter plates 3 filter the molding sand, the motor 22 is turned on. The motor 22 drives the rotating rod 23 to rotate, and the rotation of the rotating rod 23 can drive the crossbar 24 to rotate. Several rakes 25 at the lower end of the crossbar 24 can rake the molding sand at the upper end of the filter plates 3. By setting up the rake assembly 2, the molding sand can be raked. The molding sand on the filter plate 3 is rake-ed to increase the filtration speed of the filter plate 3 and prevent the molding sand from clogging the filter plate 3. By setting the stirring component 26, the rotating rod 23 drives the long rod 262 and the short rod 263 to rotate. The rotation of the long rod 262 and the short rod 263 prevents the molding sand from accumulating at the lower end of the hopper body 1 and causing blockage. At the same time, the rotation of the long rod 262 and the short rod 263 can drive the scraper 261 to rotate. The rotation of the scraper 261 can clean the inner wall of the lower end of the hopper body 1 to prevent molding sand from adhering. A reinforcing rod 264 is set between the long rod 262 and the short rod 263 to make the long rod 262 and the short rod 263 more stable.
[0032] Example 2
[0033] The difference between this embodiment and embodiment 1 is that: a fixed frame 7 is provided on the lower side of the support leg 5, a slide plate 8 is provided at the lower end of the support leg 5, damping rods 11 are provided on both sides of the lower end of the slide plate 8, a spring 12 is provided on the outer side of the damping rod 11 between the slide plate 8 and the fixed frame 7, protrusions 9 are provided at both ends of the slide plate 8, and sliding grooves 10 corresponding to the protrusions 9 are provided at both ends inside the fixed frame 7.
[0034] By adopting the above technical solution, the device generates vibration during use. The vibration pushes the slide plate 8 at the lower end of the support leg 5 to slide in the fixed frame 7. At the same time, the protrusions 9 at both ends of the slide plate 8 slide in the slide groove 10 of the fixed frame 7. The slide plate 8 slides and compresses the damping rod 11 and the spring 12. The damping rod 11 and the spring 12 can be used to buffer and reduce the shock of the device. By setting the damping rod 11, etc., the device can buffer and reduce the shock, thus improving the practicality of the device.
[0035] Specifically, the upper sides of the fixed frame 7 are provided with sliding holes corresponding to the support legs 5, the two ends of the slide plate 8 are tightly attached to the inner wall of the fixed frame 7, and the support legs 5 and the slide plate 8 are welded together by pressure welding.
[0036] By adopting the above technical solution, the support leg 5 can slide on the fixed frame 7, the slide plate 8 slides more stably in the fixed frame 7, and the pressure welding makes the support leg 5 and the slide plate 8 more secure.
[0037] When the device is used, the fixed frame 7 is arranged, the device generates vibration when used, the vibration drives the sliding plate 8 at the lower end of the supporting leg 5 to slide in the fixed frame 7, the protrusions 9 at the two ends of the sliding plate 8 slide in the sliding grooves 10 of the fixed frame 7, the sliding plate 8 slides to compress the damping rod 11 and the spring 12, the damping rod 11 and the spring 12 can be used for buffering and damping the device, the damping rod 11 and the like are arranged to buffer and damp the device, and the practicality of the device is improved.
[0038] The motor 22 in the utility model is a prior art disclosed, and the selected model is 5IK120GN-CF.
[0039] The damping rod 11 in the utility model is a prior art disclosed, and the selected model is SQS.
[0040] The structure and working principle of the bin body 1, the filter plate 3, the cooling pipe 4, the supporting leg 5 and the discharge port 6 have been disclosed in a sand mold cooling bin with the Chinese patent application number 2017200887090, and the working principle is that cooling liquid is injected into the cooling pipe 4, then the used sand is poured into the bin body 1, the filter plate 3 can filter the sand, and the cooling pipe 4 can cool the sand; the sand filtered and cooled is discharged from the bin body 1 through the discharge port 6.
[0041] The working principle and use process of the utility model: when the sand bunker is used, install the device in a suitable position, inject cooling liquid into the cooling pipe 4, then pour the used sand into the bunker body 1, the filter plate 3 can filter the sand, and the cooling pipe 4 can cool the sand, the sand filtered and cooled is discharged from the bunker body 1 through the discharge port 6, by setting the raking assembly 2, the motor 22 is started when the filter plate 3 filters the sand, the motor 22 drives the rotating rod 23 to rotate, the rotating rod 23 can drive the horizontal rod 24 to rotate, the plurality of rake rods 25 at the lower end of the horizontal rod 24 can rake the sand at the upper end of the filter plate 3, the filter plate 3 can be raked by setting the raking assembly 2, the filter speed of the filter plate 3 is improved, and the sand is prevented from being blocked on the filter plate 3, by setting the stirring assembly 26, the rotating rod 23 drives the long rod 262 and the short rod 263 to rotate, the long rod 262 and the short rod 263 are prevented from being blocked by the sand accumulated at the lower end inside the bunker body 1, the long rod 262 and the short rod 263 can drive the scraper 261 to rotate, the scraper 261 can clean the inner wall at the lower end inside the bunker body 1, the sand is prevented from adhering, the long rod 262 and the short rod 263 are more stable by setting the reinforcing rod 264 between the long rod 262 and the short rod 263, by setting the fixed frame 7, the device is used to produce vibration, the vibration drives the sliding plate 8 at the lower end of the supporting leg 5 to slide in the fixed frame 7, the protrusions 9 at the two ends of the sliding plate 8 slide in the sliding groove 10 of the fixed frame 7, the sliding plate 8 slides to compress the damping rod 11 and the spring 12, the device is buffered and damped by the damping rod 11 and the spring 12, the device is buffered and damped by setting the damping rod 11, and the practicality of the device is improved.
[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A sand bunker, comprising a bunker body, a discharge port arranged at a middle position of a lower end of the bunker body, supporting legs arranged at both sides of the lower end of the bunker body, a plurality of filter plates arranged inside the bunker body, and a plurality of cooling pipes arranged at positions corresponding to the filter plates inside the bunker body, characterized in that: The inside of the silo body is provided with a rake assembly; The rake assembly comprises a horizontal plate, a motor, a rotating rod, a horizontal rod, a rake rod and a stirring assembly, wherein the upper end of the horizontal plate is arranged on one side of the upper end of the silo body, the motor is arranged on the upper end of the horizontal plate, the output end of the motor is provided with the rotating rod, the horizontal rod is arranged at the positions corresponding to the filter plates at both ends of the rotating rod, the lower end of the horizontal rod is provided with a plurality of rake rods, and the stirring assembly is arranged at the lower side of one end of the rotating rod.
2. A sand bin according to claim 1, characterized in that: The stirring assembly comprises a scraper, a long rod, a short rod and a reinforcing rod, wherein the long rod is arranged at the lower side of one end of the rotating rod, the other end of the long rod is provided with the scraper, the short rod is arranged between the lower side of the scraper and the rotating rod, and the reinforcing rod is arranged between the long rod and the short rod.
3. A sand bin according to claim 1, characterized in that: The upper end of the horizontal rod is lower than the lower end of the cooling pipe, and the lower end of the rake rod and the upper end of the filter plate are tangent to each other, and the end of the horizontal rod away from the rotating rod and the inner wall of the silo body are tangent to each other.
4. A sand bin according to claim 2, characterized in that: The end of the scraper away from the reinforcing rod is close to the inner wall of the silo body, and the reinforcing rod and the long rod and the reinforcing rod and the short rod are welded by spot welding.
5. A sand bin according to claim 1, characterized in that: The lower side of the supporting leg is provided with a fixed frame, the lower end of the supporting leg is provided with a sliding plate, the lower end of the sliding plate is provided with a damping rod on both sides, the outer side of the damping rod between the sliding plate and the fixed frame is provided with a spring, both ends of the sliding plate are provided with protrusions, and both ends of the fixed frame are provided with sliding grooves corresponding to the protrusions.
6. A sand bin according to claim 5, characterized in that: The upper end of the fixed frame is provided with sliding holes corresponding to the supporting legs on both sides, the ends of the sliding plate are close to the inner wall of the fixed frame, and the supporting legs and the sliding plate are welded by pressure welding.