Protective cover at front end of casting molding sand production belt head wheel

Abstract

The utility model discloses a protective cover at the front end of a head wheel of a sand production belt for casting, which relates to the technical field of sand casting and comprises a first frame, a second frame, a driving roller, a sand production belt and a protective cover body, and a first bearing seat is arranged at the end of the first frame; the second rack and the first rack are arranged in parallel, and a second bearing seat corresponding to the first bearing seat is arranged at the top of the second rack; the two ends of the transmission roller are rotationally connected with the first bearing seat and the second bearing seat through bearings correspondingly. The sand outlet belt sleeves the outer side of the transmission roller; the two ends of the protective cover body are detachably and fixedly connected with the front end of the first rack and the front end of the second rack correspondingly, the protective cover body is arranged above the sand outlet belt so as to limit the sand outlet belt from popping out of the preset position, the structure is simple, use is convenient, the labor intensity of operators is effectively relieved, and casualty accidents are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sand casting, in particular to a front end protective cover for a casting sand belt head pulley. Background Art

[0002] At present, sand casting refers to the casting method of producing castings in sand molds. Steel, iron and most non-ferrous alloy castings can be obtained by sand casting. There is no protective measure at the front end of the sand belt head wheel currently used in the molding group. In daily operation, the sand from the sand mill can be transported through the running sand belt.

[0003] The end of the sand-discharging belt is in a round shape. Therefore, when the molding sand coming out of the sand mill reaches the position of the belt conveying sand head wheel, most of the molding sand will fall off on both sides of the belt or pop out of the predetermined position due to the end position of the belt being straight during operation. This not only causes inconvenience to the operator, but also greatly increases the labor intensity of the operator. In particular, it is easy for people and objects to be drawn into the belt, causing hidden dangers of casualties. Therefore, the above problems need to be improved. Utility Model Content

[0004] The utility model aims to provide a front end protective cover for a casting sand belt head pulley to solve the problems existing in the above-mentioned prior art. It has a simple structure and is easy to use, which can effectively reduce the labor intensity of operators and effectively avoid the occurrence of casualties.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a front end protective cover for a casting sanding belt head wheel, comprising: a first frame, a second frame, a driving roller, a sanding belt and a protective cover body, wherein a first bearing seat is arranged at the end of the first frame; the second frame is arranged in parallel with the first frame, and a second bearing seat corresponding to the first bearing seat is arranged on the top of the second frame; the two ends of the driving roller are rotatably connected to the first bearing seat and the second bearing seat respectively through bearings; the sanding belt is sleeved on the outside of the driving roller; the two ends of the protective cover body are respectively fixedly connected to the front ends of the first frame and the second frame in a detachable manner, and the protective cover body is arranged above the sanding belt to limit popping out of a predetermined position.

[0007] Preferably, the protective cover body is an arched structure.

[0008] Preferably, it further includes four connecting rods, which are respectively arranged at the four corners of the bottom of the protective cover body. There are two connection holes provided on the first rack, and there are also two connection holes provided on the second rack. One connecting rod is used for being inserted and fixed in one connection hole to connect the protective cover body with the first rack and the second rack.

[0009] Preferably, it further includes two first plug bolts and two second plug bolts. The connecting rod is provided with a limiting hole. One first plug bolt is used for being inserted into one limiting hole, and the end of the first plug bolt protruding from the limiting hole is used for lapping on the first rack. One second plug bolt is used for being inserted into the second limiting hole, and the end of the second plug bolt protruding from the limiting hole is used for lapping on the second rack.

[0010] Preferably, it further includes four first nuts and four second nuts. The connecting rod is a threaded rod. One connecting rod is threadedly connected with one first nut above and below the first rack, and one connecting rod is threadedly connected with one second nut above and below the second rack.

[0011] Preferably, it further includes an outer reinforcement pipe. The outer reinforcement pipe includes two outer reinforcement straight pipes and two outer reinforcement arched pipes. The two outer reinforcement straight pipes are arranged at both ends of the protective cover body, and the two outer reinforcement arched pipes are arranged on both sides of the protective cover body.

[0012] Preferably, it further includes a plurality of straight reinforcing ribs. Each straight reinforcing rib is fixedly connected to the inner wall of the protective cover body, and both ends of each straight reinforcing rib are respectively fixedly connected to the outer reinforcement arched pipe, and each straight reinforcing rib is evenly arranged between the two outer reinforcement straight pipes.

[0013] Preferably, it further includes a plurality of arc-shaped reinforcing ribs. The arc-shaped reinforcing rib is fixedly connected to the side of the straight reinforcing rib away from the protective cover body. Both ends of each arc-shaped reinforcing rib are respectively fixedly connected to the outer reinforcement straight pipe, and each arc-shaped reinforcing rib is evenly arranged between the two outer reinforcement arched pipes.

[0014] The utility model has achieved the following technical effects compared with the prior art:

[0015] The utility model provides a front protective cover for a sand-casting belt pulley of a casting molding. By arranging to block the position of the sand-casting belt close to the driving roller, it prevents the molding sand from falling off from both sides of the sand-casting belt under the belt or popping out beyond the predetermined position, thereby avoiding the operator from performing secondary repeated operations. The structure is simple, the use is convenient, the labor intensity of the operator is effectively reduced, and the occurrence of personal injury accidents is effectively avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of the front-end protective cover of the sand-casting belt pulley of the present invention.

[0018] Figure 2 It is a structural sectional view of the front-end protective cover of the sand-casting belt pulley of the present invention.

[0019] Figure 3 It is a right view of the front-end protective cover of the sand-casting belt pulley of the present invention.

[0020] Figure 4 It is a perspective view of the protective cover body and the connecting rod in the front-end protective cover of the sand-casting belt pulley of the present invention.

[0021] In the figure: 1. First frame; 2. Driving roller; 3. Sand-casting belt; 4. First nut; 5. Protective cover body; 501. Outer reinforcement tube; 502. Linear reinforcing rib; 503. Arc reinforcing rib; 6. Connecting rod; 601. Limiting hole; 602. First plugging bolt; 7. Second nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0023] The purpose of the present invention is to provide a front-end protective cover for the sand-casting belt pulley of a foundry mold, so as to solve the problems existing in the above-mentioned prior art. It has a simple structure, is easy to use, effectively reduces the labor intensity of operators, and effectively avoids the occurrence of personal injury accidents.

[0024] In order to make the above-mentioned objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0025] The present invention provides a front-end protective cover for the sand-casting belt pulley of a foundry mold, asFigures 1 to 4 As shown in the figure, it includes: a first frame 1, a second frame, a driving roller 2, a sand discharging belt 3 and a protective cover body 5. A first bearing seat is arranged at the end of the first frame 1; the second frame is arranged parallel to the first frame 1, and a second bearing seat corresponding to the first bearing seat is arranged at the top of the second frame; both ends of the driving roller 2 are rotatably connected to the first bearing seat and the second bearing seat through bearings; the sand discharging belt 3 is sleeved outside the driving roller 2; both ends of the protective cover body 5 are detachably and fixedly connected to the front ends of the first frame 1 and the second frame respectively, and the protective cover body 5 is arranged above the sand discharging belt 3 to limit the ejection beyond a predetermined position. By arranging the sand discharging belt 3 to block at a position close to the driving roller 2, it can prevent the molding sand from falling off from both sides of the sand discharging belt 3 under the belt or ejecting beyond the predetermined position, thereby avoiding the operator from performing secondary repeated operations. The structure is simple and easy to use, effectively reducing the labor intensity of the operator and effectively avoiding the occurrence of personal injury accidents, creating a safe and harmonious operating environment for the workers.

[0026] In a preferred embodiment, the protective cover body 5 is of an arched structure, and the structure is stable.

[0027] In a preferred embodiment, the front-end protective cover of the sand discharging belt head pulley for casting and mold making further includes four connecting rods 6. The four connecting rods 6 are respectively arranged at the four corners of the bottom of the protective cover body 5. Two connecting holes are arranged on the first frame 1, and two connecting holes are also arranged on the second frame. One connecting rod 6 is used for plugging and fixing in one connecting hole to connect the protective cover body 5 with the first frame 1 and the second frame. The structure is simple.

[0028] In a preferred embodiment, the front-end protective cover of the sand discharging belt head pulley for casting and mold making further includes two first plug bolts 602 and two second plug bolts. A limiting hole 601 is arranged on the connecting rod 6. One first plug bolt 602 is used for plugging into one limiting hole 601, and the end of the first plug bolt 602 extending out of the limiting hole 601 is used for lapping on the first frame 1. One second plug bolt is used for plugging into the second limiting hole 601, and the end of the second plug bolt extending out of the limiting hole 601 is used for lapping on the second frame. The structure is simple and effectively ensures the stability when the protective cover body 5 is connected to the first frame 1 and the second frame.

[0029] In a preferred embodiment, the front-end protective cover of the sand discharging belt head pulley for casting and mold making further includes four first nuts 4 and four second nuts 7. The connecting rod 6 is a threaded rod. One connecting rod 6 is threadedly connected with one first nut 4 above and below the first frame 1, and one connecting rod 6 is threadedly connected with one second nut 7 above and below the second frame 7. The structure is simple, further ensuring the stability when the connecting rod 6 is connected to the first frame 1 and the second frame, and ensuring that the protective cover body 5 has a locking and anti-loosening effect during the installation process.

[0030] In a preferred embodiment, the front protective cover of the casting sand removal belt head pulley further includes an outer reinforcement pipe 501. The outer reinforcement pipe 501 includes two outer reinforcement straight pipes and two outer reinforcement arched pipes. The two outer reinforcement straight pipes are arranged at both ends of the protective cover body 5, and the two outer reinforcement arched pipes are arranged on both sides of the protective cover body 5, which can ensure the effect of strengthening the outer edge of the protective cover body 5 and ensure that the protective cover body 5 is more durable.

[0031] In a preferred embodiment, the front protective cover of the casting sand removal belt head pulley further includes a plurality of straight reinforcing ribs 502. Each straight reinforcing rib 502 is fixedly connected to the inner wall of the protective cover body 5, and both ends of each straight reinforcing rib 502 are respectively fixedly connected to the outer reinforcement arched pipes, and each straight reinforcing rib 502 is evenly arranged between the two outer reinforcement straight pipes, so that the protective cover body 5 can better adapt to the vibration generated during the operation of the belt equipment.

[0032] In a preferred embodiment, the front protective cover of the casting sand removal belt head pulley further includes a plurality of arc-shaped reinforcing ribs 503. The arc-shaped reinforcing ribs 503 are fixedly connected to the side of the straight reinforcing rib 502 away from the protective cover body 5. Both ends of each arc-shaped reinforcing rib 503 are respectively fixedly connected to the outer reinforcement straight pipes, and each arc-shaped reinforcing rib 503 is evenly arranged between the two outer reinforcement arched pipes, effectively ensuring the structural reinforcement of the overall surface layer of the protective cover body 5, ensuring that the protective cover body 5 is more durable, and enabling the protective cover body 5 to better adapt to the vibration generated during the operation of the belt equipment.

[0033] In a preferred embodiment, the production material of the protective cover body 5 is the leftover materials used in production, so there is no cost problem.

[0034] Specific examples are used in the present utility model to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A front protective cover for a casting sand removal belt pulley, characterized in that: Comprising: A first frame, with a first bearing block provided at the end of the first frame; A second frame, the second frame being arranged parallel to the first frame, and a second bearing block corresponding to the first bearing block being provided at the top of the second frame; A driving roller, with both ends of the driving roller being rotatably connected to the first bearing block and the second bearing block through bearings respectively; A sand discharge belt, the sand discharge belt being sleeved outside the driving roller; And A protective cover body, with both ends of the protective cover body being detachably and fixedly connected to the front ends of the first frame and the second frame respectively, and the protective cover body being arranged above the sand discharge belt to limit ejection beyond a predetermined position.

2. The front protective cover of the sand discharging belt pulley for casting mold making according to claim 1, characterized in that: The protective cover body is of an arched structure.

3. The front protective cover of the sand discharging pulley for casting mold according to claim 2, characterized in that: It further includes four connecting rods, the four connecting rods being respectively arranged at the four corners at the bottom of the protective cover body. Two connecting holes are provided on the first frame, and two connecting holes are also provided on the second frame. One connecting rod is used for being inserted and fixed in one connecting hole to connect the protective cover body with the first frame and the second frame.

4. The front protective cover of the sand removal belt pulley for casting mold making according to claim 3, characterized in that: It further includes two first insertion bolts and two second insertion bolts. A limiting hole is provided on the connecting rod. One first insertion bolt is used for being inserted into one limiting hole, and the end of the first insertion bolt extending out of the limiting hole is used for lapping on the first frame. One second insertion bolt is used for being inserted into the second limiting hole, and the end of the second insertion bolt extending out of the limiting hole is used for lapping on the second frame.

5. The front protective cover of the sand discharging pulley for casting mold making according to claim 4, characterized in that: It further includes four first nuts and four second nuts. The connecting rod is a threaded rod. One connecting rod is threadedly connected with one first nut both above and below the first frame, and one connecting rod is threadedly connected with one second nut both above and below the second frame.

6. The front protective cover of the casting sand removal belt pulley according to claim 5, characterized in that: It further includes an outer reinforcement pipe, the outer reinforcement pipe including two outer reinforcement straight pipes and two outer reinforcement arched pipes. The two outer reinforcement straight pipes are arranged at both ends of the protective cover body, and the two outer reinforcement arched pipes are arranged on both sides of the protective cover body.

7. The front protective cover of the sand discharging belt pulley for casting mold according to claim 6, characterized in that: It further includes a plurality of straight reinforcing ribs, each straight reinforcing rib being fixedly connected to the inner wall of the protective cover body, and both ends of each straight reinforcing rib being fixedly connected to the outer reinforcement arched pipe respectively, and each straight reinforcing rib being uniformly arranged between the two outer reinforcement straight pipes.

8. The front protective cover of the sand discharging belt pulley for casting mold making according to claim 7, characterized in that: It further includes a plurality of arc-shaped reinforcing ribs, the arc-shaped reinforcing ribs being fixedly connected to the side of the straight reinforcing rib away from the protective cover body, both ends of each arc-shaped reinforcing rib being fixedly connected to the outer reinforcement straight pipe respectively, and each arc-shaped reinforcing rib being uniformly arranged between the two outer reinforcement arched pipes.

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