CN210098878U - Prevent sand temperature regulator of jam - Google Patents
Prevent sand temperature regulator of jam Download PDFInfo
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- CN210098878U CN210098878U CN201920720694.4U CN201920720694U CN210098878U CN 210098878 U CN210098878 U CN 210098878U CN 201920720694 U CN201920720694 U CN 201920720694U CN 210098878 U CN210098878 U CN 210098878U
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- sand
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Abstract
The utility model belongs to the technical field of reclaimed sand cooling equipment, and discloses an anti-blocking sand temperature regulator, the key points of the technical proposal are that the cooling device comprises a cooling box body, a plurality of rows of cooling water pipes are arranged in the cooling box body, and the rows of cooling water pipes are arranged in a staggered way, and the cooling water pipe box also comprises a sand grinding plate arranged in the cooling box body, the sand grinding plate is in a grid shape and is arranged perpendicular to the cooling water pipes, the cooling water pipe is arranged in the meshes of the sand grinding plate in a penetrating way, a screw rod is arranged on the inner side wall of the cooling box body in a rotating frame, the screw rod is arranged in parallel with the cooling water pipe, one end of the screw rod penetrates through the side wall of the cooling box body, the cooling box is connected with a driving motor in parallel, a screw seat is sleeved on the screw rod, and the screw seat is fixedly connected with the sand grinding plate, so that sand grains bonded into blocks can be scattered, the gaps between the cooling water pipes are prevented from being blocked, the sand grains flow smoothly in the cooling box body, and the effect of high heat exchange efficiency between the sand grains and the cooling liquid is ensured.
Description
Technical Field
The utility model relates to a reclaimed sand cooling arrangement's technical field, in particular to prevent sand temperature regulator of jam.
Background
In the field of casting processing, the lost foam casting technology has been widely used as a mature casting forming method. In particular, the method can be used for producing parts of colored and ferrous metal power systems, such as castings of cylinder blocks, cylinder covers, crankshafts, gearboxes, air inlet pipes, exhaust pipes, brake hubs and the like in the automobile manufacturing industry.
The lost foam casting adopts a foam plastic mould and dry sand moulding, and the casting is formed by cooling and solidifying the molten metal after casting. During this process, most of the heat of the molten metal is transferred to the sand mould, so that the temperature of the sand rises, in particular in the local sand temperature in contact with the casting, even up to several hundred degrees.
In the actual production, the molding sand can be repeatedly regenerated and reused so as to reduce the processing process cost of parts. However, if the temperature of the recycled sand is not effectively controlled, the foam model is damaged by adopting high-temperature sand molding. Therefore, in the large-scale continuous production of the lost foam casting, the cooling of the molding sand is important.
Chinese patent with publication number CN203565790U discloses a sand temperature regulator, including installing the cooling box on the support, the cooling box includes the casing, the top and the bottom of casing set up respectively to advance the sand mouth and go out the sand mouth, a plurality of condenser tubes of transversely having arranged in the casing, condenser tube multirow staggered arrangement sets up, clearance between the condenser tube constitutes the space that flows of grit, condenser tube stretches out another condenser tube of wave form union coupling respectively at the both ends of casing, the cooling box lower extreme is connected with the gate valve, it is equipped with temperature sensor to go out the sand mouth, the automatically controlled connection of temperature sensor the gate valve.
The sand temperature regulator is characterized in that a plurality of layers of cooling water pipes are arranged in a cooling box body, a counter-flow heat exchange mode is adopted, cooling water flows from bottom to top in the pipes, sand slowly descends in gaps of the cooling water pipes by means of gravity and exchanges heat with flowing water through pipe walls, and finally the purpose of regulating the sand temperature is achieved.
In the regeneration process of the coated sand, because the resin film on the surface of the sand grains is difficult to completely remove, when the sand grains are cooled in a cooling box of a sand temperature regulator, the residual resin film is cooled and solidified along with the sand grains, and the adjacent sand grains are bonded together. There may be a case where sand grains agglomerate between the cooling water pipes to block gaps between the cooling water pipes. Eventually, the sand particles cannot smoothly flow downward, and the heat exchange efficiency between the sand particles and the coolant is lowered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent sand temperature regulator of jam has and to break up the sand grain that bonds the blocking, prevents that the space between the condenser tube from being blockked up, makes the sand grain flow smoothly in the cooler bin, guarantees to have the advantage of higher heat exchange efficiency between sand grain and the coolant liquid.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a prevent sand temperature regulator of jam, includes the cooling box, be equipped with a plurality of rows of condenser tube in the cooling box, and each row of condenser tube is crisscross to be set up, still including setting up the sand board of grinding in the cooling box, grind the sand board and be latticed, grind sand board perpendicular to condenser tube setting, condenser tube wears to locate in the mesh of grinding the sand board, the rotating frame is equipped with the lead screw on the inside wall of cooling box, the lead screw is on a parallel with the condenser tube setting, and lead screw one end is passed the cooling box lateral wall to there is driving motor, and the cover is equipped with the screw seat on the lead screw, the screw seat with grind the sand board rigid coupling.
Through adopting above-mentioned technical scheme, driving motor drive lead screw is rotatory, and does not change with the screw seat of grinding sand board rigid coupling, moves along the length direction of lead screw, drives and grinds sand board and removes, slides from the space between each condenser tube to break up the sand grain that bonds into the piece, prevent that the space between the condenser tube is blockked up, make the sand grain flow smoothly in the cooler bin, guarantee to have higher heat exchange efficiency between sand grain and the coolant liquid.
Further, the lead screw sets up in pairs and is being ground sand plate both sides, but set up the gliding spout of screw seat on the cooling box and the parallel two inside walls of cooling water pipe, the notch height of spout is less than the tank bottom height, the screw seat cooperatees with the spout, screw seat bottom and the side rigid coupling of grinding sand plate, screw seat top and lead screw thread fit.
Through adopting above-mentioned technical scheme, the tank bottom height of spout is greater than the notch height, though the sand grain has certain mobility, nevertheless because it is granular solid, so be difficult for filling the tank bottom of spout to lead to the nut seat card to die behind the thread groove of avoiding the sand grain to sink into on the lead screw.
Furthermore, the number of the driving motors is one, the driving motors are connected with one of the screw rods, a transmission shaft is arranged on the outer side wall of the cooling box body in a rotating frame mode, and bevel gear sets are arranged between the transmission shaft and the two screw rods respectively.
Through adopting above-mentioned technical scheme, set up transmission shaft and bevel gear group, make two lead screws have better synchronism at the rotation in-process, and then make the sand grinding plate remove more steadily.
Further, the inboard wall of cooling box is erected and is equipped with the guide bar, the guide bar is parallel with the lead screw, and the guide bar sets up in pairs and is grinding the sand board both sides, and the cover is equipped with the guide block on the guide bar, guide block and guide bar sliding fit, guide block and the side rigid coupling of grinding the sand board.
Through adopting above-mentioned technical scheme, the guide block cooperates with the guide bar, supports the side of grinding the sand board, avoids grinding the sand board and is hindered back bending deformation at the removal in-process.
Furthermore, cutting edges are arranged on two end faces of the sand grinding plate along the length direction of the screw rod.
Through adopting above-mentioned technical scheme, set up the blade on the both ends face of grinding the sand board, can cut the molding sand after the caking more effectively.
Furthermore, the cooling box and the vertical inner side wall of the cooling water pipe are provided with a containing groove for containing the guide block and the sand grinding plate.
Through adopting above-mentioned technical scheme, at the broken back of the molding sand of grinding the sand board with the caking, the guide block can not influence the flow of sand grain in the cooler bin with grinding the sand board embedding holding tank in, avoids causing the influence to the heat transfer between sand grain and the condenser tube simultaneously.
Furthermore, the notch department of holding tank is equipped with the elastic membrane, the guide bar wears to locate on the elastic membrane.
Through adopting above-mentioned technical scheme, when the guide block with grind sand board embedding holding tank, the elastic membrane that sets up in holding tank notch department is inwards sunken, after the guide block breaks away from the holding tank with grinding sand board, elastic membrane reconversion prevents that the sand grain from getting into the holding tank.
Further, the lead screw is a reciprocating lead screw.
Through adopting above-mentioned technical scheme, adopt reciprocal lead screw, grind the sand board and remove to the inner wall laminating with the cooling box, perhaps when embedding the holding tank in, need not to shut down driving motor and make its reversal, grind the sand board and can return by oneself, be convenient for control.
To sum up, the utility model discloses following beneficial effect has:
1. the sand grains bonded into blocks can be scattered, so that the gaps among the cooling water pipes are prevented from being blocked, the sand grains can smoothly flow in the cooling box body, and high heat exchange efficiency between the sand grains and the cooling liquid is ensured;
2. the sand grinding plate can move stably in the cooling box body and is not easy to be blocked or bent and deformed;
3. when not in use, the sand grinding plate does not influence the normal heat exchange between the sand and the cooling water pipe.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a sectional view of a cooling tank in the embodiment;
FIG. 3 is a schematic view of the internal structure of the cooling tank in the embodiment.
In the figure, 1, a cooling box body; 2. a cooling water pipe; 3. grinding a sand plate; 4. a lead screw; 5. a drive motor; 6. a nut seat; 7. a support; 11. a chute; 12. a drive shaft; 13. a bevel gear set; 14. a guide bar; 15. a guide block; 16. accommodating grooves; 17. an elastic film; 18. a sand inlet; 19. and a sand outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
an anti-clogging sand temperature regulator, as shown in fig. 1 and 2, comprises a support 7 and a cooling box body 1 mounted on the support 7. The top of the cooling box body 1 is provided with a sand inlet 18, the bottom is provided with a sand outlet 19, and the middle part is provided with a plurality of cooling water pipes 2.
As shown in fig. 1 and 2, the cooling water pipes 2 are arranged in the horizontal direction and parallel to both side walls of the cooling box 1. The cooling water pipes 2 at the same height are arranged in a row, and the rows of cooling water pipes 2 are arranged in a staggered manner along the vertical direction.
As shown in fig. 2, the sand-grinding plate 3 is in a grid shape, is perpendicular to the cooling water pipes 2, and moves in the cooling box 1 along the longitudinal direction of the cooling water pipes 2. When the sand grinding plates 3 slide back and forth, the cooling water pipes 2 pass through meshes of the sand grinding plates 3, and the sand grinding plates 3 cut and crush the sand grains agglomerated between the cooling water pipes 2.
As shown in fig. 1, the front and rear end faces of the sand grinding plate 3 are provided with cutting edges along the length direction of the screw 4, so that the agglomerated sand can be cut more effectively.
As shown in fig. 2, a pair of screw rods 4 and two pairs of guide rods 14 are mounted on the inner side wall of the cooling tank 1 and are parallel to the cooling water pipe 2. Two lead screws 4 are respectively arranged at two sides of the sand grinding plate 3 and are positioned in the middle of the sand grinding plate 3, and the rotating frame is arranged in the wall thickness of the cooling box body 1. Two nut seats 6 matched with the two lead screws 4 are respectively and fixedly connected to two sides of the sand grinding plate 3 to drive the sand grinding plate 3 to move.
As shown in fig. 1, the same end of each of the two lead screws 4 penetrates through the side wall of the cooling box 1, and a driving motor 5 and a transmission shaft 12 are erected on the outer side wall of the cooling box 1. The driving motor 5 is fixedly connected with the cooling box body 1, and the crankshaft of the driving motor is connected with one of the screw rods 4. The transmission shaft 12 is rotatably connected with the cooling box body 1, is arranged along the horizontal direction and is vertical to the screw rod 4. In addition, bevel gear sets 13 are arranged between the transmission shaft 12 and the two lead screws 4 for transmission respectively.
The driving motor 5 drives one of the lead screws 4 to rotate, the other lead screw 4 is driven to rotate synchronously through the two bevel gear sets 13 and the transmission shaft 12, and then the two nut seats 6 move synchronously to drive the sand grinding plate 3.
As shown in fig. 1, the screw 4 is a reciprocating screw, the driving motor 5 does not need to rotate reversely, and the sand grinding plate 3 can also move back and forth in the cooling box 1.
As shown in fig. 2, in order to prevent the nut seat 6 from being locked after the screw rod 4 is covered by sand, two inner side walls of the cooling box 1 parallel to the cooling water pipe 2 are respectively provided with a sliding groove 11. The chute 11 is arranged along the length direction of the cooling water pipe 2, the height of the notch of the chute is lower, the chute bottom extends upwards in an inclined way, and the height is higher. The nut seat 6 slides in the chute 11, the bottom end of the nut seat is fixedly connected with the sand grinding plate 3, and the top end of the nut seat is sleeved on the screw rod 4.
The sand grains have a certain fluidity and may be poured into the vicinity of the notch of the chute 11, but the chute 11 cannot be completely filled, and the screw 4 located at the bottom of the chute 11 is not covered with the sand grains.
As shown in fig. 2, a pair of guide rods 14 are located at two sides of the top end of the sand grinding plate 3, and the other pair of guide rods 14 are located at two sides of the bottom end of the sand grinding plate 3 and are arranged close to the inner side wall of the cooling box 1. The guide rod 14 is slidably sleeved on the guide rod 14 and fixedly connected with the side edge of the sand grinding plate 3, and the sand grinding plate 3 is supported in the moving process, so that the bending deformation of the sand grinding plate 3 is avoided.
As shown in fig. 3, an accommodating groove 16 is formed in the inner wall of one side of the cooling box 1, which is provided with the driving motor 5 (see fig. 1), the accommodating groove 16 can accommodate the guide block 15 and the sand grinding plate 3 to sink in, the notch is covered with an elastic film 17 made of one layer of high-temperature-resistant rubber, and the guide rod 14 is arranged on the elastic film 17 in a penetrating manner.
The guide block 15 and the sand grinding plate 3 press the elastic membrane 17 to deform the elastic membrane, so that the elastic membrane can smoothly sink into the accommodating groove 16 without influencing the heat exchange between sand particles and the cooling water pipe 2. When the sand-grinding plate 3 starts to cut the agglomerated sand, the elastic membrane 17 is restored to its original state, preventing the sand from entering the holding tank 16.
The specific implementation process comprises the following steps:
the driving motor 5 drives the two lead screws 4 to synchronously rotate, so that the sand grinding plate 3 moves back and forth in the cooling box body 1 and slides through gaps among the cooling water pipes 2, sand grains bonded into blocks are scattered, and the gaps among the cooling water pipes 2 are prevented from being blocked. The sand grains can flow smoothly in the cooling box body 1, and high heat exchange efficiency is achieved between the sand grains and the cooling liquid.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a prevent sand temperature regulator of jam, includes cooling box (1), be equipped with a plurality of rows of condenser tube (2) in cooling box (1), and each row of condenser tube (2) crisscross setting, its characterized in that: still including setting up the sand board (3) of grinding in cooling box (1), grind sand board (3) and be latticed, grind sand board (3) perpendicular to cooling water pipe (2) setting, condenser pipe (2) are worn to locate in the mesh of grinding sand board (3), the rotating frame is equipped with lead screw (4) on the inside wall of cooling box (1), lead screw (4) are on a parallel with cooling water pipe (2) setting, and cooling box (1) lateral wall is passed to lead screw (4) one end to there is driving motor (5), and the cover is equipped with screw seat (6) on lead screw (4), screw seat (6) and sand board (3) rigid coupling are ground.
2. The anti-clogging sand temperature regulator of claim 1, wherein: lead screw (4) set up in pairs and are being ground sand board (3) both sides, but offer on cooling box (1) and condenser tube (2) parallel two inside walls and hold gliding spout (11) of screw seat (6), the notch height of spout (11) is less than the tank bottom height, screw seat (6) cooperate with spout (11), screw seat (6) bottom and the side rigid coupling of grinding sand board (3), screw seat (6) top and lead screw (4) screw-thread fit.
3. The anti-clogging sand temperature regulator of claim 2, wherein: the cooling box is characterized in that one driving motor (5) is arranged, the driving motor (5) is connected with one lead screw (4), a transmission shaft (12) is arranged on the outer side wall of the cooling box body (1) in a rotating frame mode, and bevel gear sets (13) are arranged between the transmission shaft (12) and the two lead screws (4) respectively.
4. The anti-clogging sand temperature regulator of claim 1, wherein: the inboard ledge of cooling box (1) is equipped with guide bar (14), guide bar (14) are parallel with lead screw (4), and guide bar (14) set up in pairs and are being ground sand board (3) both sides, and the cover is equipped with guide block (15) on guide bar (14), guide block (15) and guide bar (14) sliding fit, guide block (15) and the side rigid coupling of grinding sand board (3).
5. The anti-clogging sand temperature regulator of claim 1, wherein: and cutting edges are arranged on two end faces of the sand grinding plate (3) along the length direction of the screw rod (4).
6. The anti-clogging sand temperature regulator according to claim 4, wherein: and an accommodating groove (16) for accommodating the guide block (15) and the sand grinding plate (3) is formed in the inner side wall, perpendicular to the cooling water pipe (2), of the cooling box body (1).
7. The anti-clogging sand temperature regulator of claim 6, wherein: the notch department of holding tank (16) is equipped with elastic membrane (17), guide bar (14) wear to locate on elastic membrane (17).
8. The anti-clogging sand temperature regulator of claim 1, wherein: the lead screw (4) is a reciprocating lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920720694.4U CN210098878U (en) | 2019-05-18 | 2019-05-18 | Prevent sand temperature regulator of jam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920720694.4U CN210098878U (en) | 2019-05-18 | 2019-05-18 | Prevent sand temperature regulator of jam |
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| Publication Number | Publication Date |
|---|---|
| CN210098878U true CN210098878U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920720694.4U Active CN210098878U (en) | 2019-05-18 | 2019-05-18 | Prevent sand temperature regulator of jam |
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| CN (1) | CN210098878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705670A (en) * | 2020-12-13 | 2021-04-27 | 盐城仁创砂业科技有限公司 | Temperature-adjusting sand silo adopting liquid heat-conducting medium and sand silo temperature-adjusting method |
| CN114309459A (en) * | 2021-12-20 | 2022-04-12 | 张家港宏昌钢板有限公司 | Simple automatic sand adding device |
-
2019
- 2019-05-18 CN CN201920720694.4U patent/CN210098878U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705670A (en) * | 2020-12-13 | 2021-04-27 | 盐城仁创砂业科技有限公司 | Temperature-adjusting sand silo adopting liquid heat-conducting medium and sand silo temperature-adjusting method |
| CN114309459A (en) * | 2021-12-20 | 2022-04-12 | 张家港宏昌钢板有限公司 | Simple automatic sand adding device |
| CN114309459B (en) * | 2021-12-20 | 2024-03-29 | 江苏沙钢钢铁有限公司 | Simple automatic sand feeding device |
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