Sand conveying belt scraping mechanism for concrete preparation

Abstract

The utility model provides a sand conveying belt scraping mechanism for concrete preparation. The sand conveying belt scraping mechanism comprises a first mounting plate and a second mounting plate which are fixedly connected with the outer wall of the end of a rack of a belt conveyor. Seat sleeves are mounted on the outer walls of the first mounting plate and the second mounting plate in a penetrating manner; rotating rods are mounted in the seat sleeves on the two sides in a running fit manner; a scraping plate in contact with the outer surface of the belt is fixedly mounted in the middle of the rotating rod; the two outer ends of the rotating rod are sleeved with rotating sleeves through locking mechanisms respectively, rotating plates are fixed to the outer walls of the rotating sleeves, and elastic pressing mechanisms for always pressing the scraper blade are fixed between the rotating plates and the first mounting plate and the second mounting plate on the corresponding sides. According to the scraping mechanism, the elastic pressing mechanism is adopted, the rotating plate can be pressed tightly all the time, then rotating torque is generated on the rotating rod, the scraping plate is pressed tightly on the outer surface of the belt all the time through the rotating rod, and therefore materials adhering to the outer surface of the belt are scraped away.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of recycled concrete preparation, particularly to the sand material conveying belt scraping mechanism of concrete preparation. BACKGROUND

[0002] The recycled concrete is the new concrete that the waste concrete block is after crushing, washing, grading, mixes according to certain proportion and gradation, partly or all replaces sandstone etc. natural aggregate, and then adds cement, water etc. The recycled aggregate is usually coarse aggregate, which will affect the performance of the recycled concrete in the subsequent preparation process. In order to ensure its performance, a certain amount of silt aggregate is usually added to the aggregate. The silt aggregate has high viscosity, and a large amount of silt material will be left on the outer surface of the conveying belt during the conveying process. When the silt material is conveyed to the back of the conveying belt, it will cause material spilling, which will not only cause material waste, but also cause the spilled material to fall on the factory road, which needs to be cleaned regularly. Therefore, a corresponding scraping mechanism is needed to scrape the material adhered to the outer surface of the conveying belt. At present, although there is a scraper device for scraping the conveying belt, the existing scraper device mainly adopts a fixed installation structure, which cannot achieve reliable scraping effect after the scraper is worn out. SUMMARY

[0003] To solve the current technical problems, the main purpose of the utility model is to provide a sand material conveying belt scraping mechanism for concrete preparation. The scraping mechanism can always press the rotating plate by adopting an elastic pressing mechanism, thereby generating a rotating torque on the rotating rod, and the rotating rod can always press the scraper on the outer surface of the belt, so as to scrape the adhered material on the outer surface of the belt.

[0004] In order to realize the above technical features, the purpose of the utility model is realized as follows: the sand material conveying belt scraping mechanism for concrete preparation comprises a first mounting plate and a second mounting plate for being fixedly connected with the outer wall of the rack end of the belt conveyor; seat sleeves are respectively installed on the outer walls of the first mounting plate and the second mounting plate; rotating rods are rotatably installed in the interiors of the seat sleeves on both sides; a scraper for contacting the outer surface of the belt is fixedly installed at the middle part of the rotating rod; rotating sleeves are sleeved on the two outer ends of the rotating rod through locking mechanisms, and rotating plates are fixedly installed on the outer walls of the rotating sleeves; and elastic pressing mechanisms for always pressing the scraper are fixed between the rotating plates and the corresponding first mounting plate and second mounting plate.

[0005] Preferably, the first mounting plate and the second mounting plate are respectively cut from steel plate materials, and a plurality of bolt holes are respectively arranged on the first mounting plate and the second mounting plate, and the first mounting plate and the second mounting plate are fixedly connected with the belt conveyor through bolts.

[0006] Preferably, the rotating rod is cut from a steel pipe.

[0007] Preferably, the bottom end of the scraper is provided with a scraper mounting groove, the scraper mounting groove is matched with a scraper mounting plate, the scraper mounting plate is fixed on the outer wall of the rotating rod, and the scraper is fixedly connected with the scraper mounting plate through a first bolt and a first nut.

[0008] Preferably, the scraper is integrally formed in an arc shape and is made of a polyurethane plate.

[0009] Preferably, the locking mechanism comprises a bolt fixing seat arranged side by side on the rotating sleeve, a locking screw is arranged in the bolt fixing seat through thread transmission, the end of the locking screw abuts against the outer wall of the rotating rod, and the position of the rotating sleeve is locked.

[0010] Preferably, the end of the rotating plate is fixed on the outer wall of the rotating sleeve through welding.

[0011] Preferably, the elastic pressing mechanism comprises a long screw rod fixed on the outer walls of the corresponding first mounting plate and second mounting plate through a second nut, a guide rod is fixed vertically on the outer wall of the long screw rod, the guide rod penetrates through a waist-shaped hole arranged on the rotating plate, and a pressing spring is sleeved on the guide rod; one end of the pressing spring is in contact with the outer surface of the rotating plate, and the other end is fixed in position through a gasket and a third nut arranged on the guide rod.

[0012] Preferably, a fourth nut is arranged on the guide rod between the rotating plate and the long screw rod.

[0013] The utility model has the following beneficial effects:

[0014] 1. The elastic pressing mechanism of the scraping mechanism can always press the rotating plate, thereby generating a rotating torque on the rotating rod, and the rotating rod can always press the scraper against the outer surface of the belt, so that the adhered material on the outer surface of the belt can be scraped off.

[0015] 2. The first mounting plate and the second mounting plate can be reliably fixed and installed on the belt conveyor through the fixing and installing structure, thereby enhancing the flexibility of the whole scraping mechanism installation.

[0016] 3. The assembling and fixing structure of the scraper facilitates the subsequent installation of the scraper. Meanwhile, the detachable installation structure facilitates the subsequent disassembly and replacement of the scraper.

[0017] 4. The locking mechanism can adjust the installation angle of the rotating sleeve, thereby ensuring that the rotating sleeve can be reliably fixed on the rotating rod.

[0018] 5、Through the elastic compression mechanism, the rotating plate can be reliably compressed all the time, then the rotating sleeve is driven by the rotating plate, the rotating rod is driven by the rotating sleeve, and the scraper is driven by the rotating rod to compress and contact the outer surface of the belt, so that the adhering material on the outer surface of the belt is scraped. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further explained in connection with the drawings and examples.

[0020] Fig. 1 It is the first perspective three-dimensional drawing of the utility model.

[0021] Fig. 2 It is the first perspective three-dimensional drawing of the utility model.

[0022] In the drawing: long screw rod 1, fourth nut 2, bolt hole 3, first mounting plate 4, rotating plate 5, rotating sleeve 6, rotating rod 7, bolt fixing seat 8, locking screw 9, seat sleeve 10, compression spring 11, gasket 12, guide rod 13, third nut 14, scraper mounting plate 15, scraper 16, first bolt 17, first nut 18, second mounting plate 19, second nut 20, scraper mounting groove 21, waist-shaped hole 22. DETAILED DESCRIPTION

[0023] The embodiment of the utility model will be further explained in connection with the drawings.

[0024] Example 1:

[0025] Referring to Figs. 1-2 , the concrete preparation sand material conveying belt scraping mechanism, including the first mounting plate 4 and the second mounting plate 19 for and the frame end outer wall of the belt conveyor fixedly connected;The outer wall of the first mounting plate 4 and the second mounting plate 19 is respectively equipped with seat sleeve 10;The inside of the seat sleeve 10 of both sides is rotatably connected with rotating rod 7;The middle part of rotating rod 7 is fixedly installed with scraper 16 for contacting the outer surface of the belt;The two outer ends of rotating rod 7 are respectively equipped with rotating sleeve 6 through locking mechanism, and the outer wall of rotating sleeve 6 is fixedly provided with rotating plate 5, and the elastic compression mechanism for always compressing scraper 16 is fixed between rotating plate 5 and the corresponding side of first mounting plate 4 and second mounting plate 19. This scraping mechanism can always compress the rotating plate through the elastic compression mechanism, then the rotating force moment is generated to the rotating rod, and the scraper is always compressed on the outer surface of the belt by the rotating rod, so that the adhering material on the outer surface of the belt is scraped. Moreover, when the scraper 16 is worn, the elastic compression mechanism will generate elastic force in time, then the rotating plate 5 is further compressed, then the rotating sleeve 6, the rotating rod 7 and the scraper 16 are compressed by the rotating plate 5 to compensate the wear amount, so that the reliable scraping effect is achieved.

[0026] Further, the first mounting plate 4 and the second mounting plate 19 are respectively cut from a steel plate material, and a plurality of bolt holes 3 are arranged on the first mounting plate 4 and the second mounting plate 19 respectively, and the first mounting plate 4 and the second mounting plate 19 are fixedly connected with the belt conveyor through bolts. Through the above fixing and mounting structure, the first mounting plate 4 and the second mounting plate 19 can be reliably fixed and mounted on the belt conveyor, thereby enhancing the flexibility of the entire scraping mechanism installation and fixation.

[0027] Further, the rotating rod 7 is cut from a steel pipe. On one hand, the steel pipe reduces the weight, and on the other hand, the steel pipe simplifies the structure, reduces the processing and manufacturing difficulty, and reduces the cost.

[0028] Further, the bottom end of the scraper 16 is processed with a scraper mounting groove 21, the scraper mounting groove 21 cooperates with the scraper mounting plate 15, the scraper mounting plate 15 is fixed on the outer wall of the rotating rod 7, and the scraper 16 is fixedly connected with the scraper mounting plate 15 through the first bolt 17 and the first nut 18. Through the above assembly and fixing structure of the scraper 16, the subsequent installation of the scraper 16 is facilitated. At the same time, through the detachable mounting structure, the subsequent disassembly and replacement of the scraper 16 are facilitated.

[0029] Further, the scraper 16 is in an overall arc-shaped structure and is made of a polyurethane plate material. Through the polyurethane plate material, the wear resistance of the scraper 16 is enhanced, thereby prolonging the service life. Moreover, through the arc-shaped structure, the contact reliability between the scraper 16 and the outer surface of the belt is enhanced, thereby ensuring the scraping effect.

[0030] Further, the locking mechanism comprises a bolt fixing seat 8 arranged side by side on the rotating sleeve 6, a locking screw 9 is installed in the bolt fixing seat 8 through thread transmission, the end of the locking screw 9 abuts against the outer wall of the rotating rod 7, and the position of the rotating sleeve 6 is locked. Through the above locking mechanism, the adjustment of the mounting angle of the rotating sleeve 6 is realized, thereby ensuring that the rotating sleeve 6 can be reliably fixed on the rotating rod 7.

[0031] Further, the end of the rotating plate 5 is fixed on the outer wall of the rotating sleeve 6 through welding. Through the welding structure, the fixing mode between the rotating plate 5 and the rotating sleeve 6 is simplified, and the reliability of the fixation is ensured.

[0032] Further, the elastic compression mechanism comprises a long screw rod 1 fixed on the outer wall of the corresponding first mounting plate 4 and second mounting plate 19 through a second nut 20, a guide rod 13 vertically fixed on the outer wall of the long screw rod 1, the guide rod 13 penetrating a waist-shaped hole 22 arranged on the rotating plate 5, and a compression spring 11 sleeved on the guide rod 13; one end of the compression spring 11 is in contact with the outer surface of the rotating plate 5, and the other end is fixed in position through a gasket 12 and a third nut 14 arranged on the guide rod 13. Through the above-mentioned elastic compression mechanism, the rotating plate 5 can be reliably compressed at all times, thereby driving the rotating sleeve 6 through the rotating plate 5, driving the rotating rod 7 through the rotating sleeve 6, and driving the scraper 16 to be in compressive contact with the outer surface of the belt through the rotating rod 7, so as to realize scraping of the adhering material on the outer surface of the belt. The waist-shaped hole 22 ensures smooth rotation of the rotating plate 5 and prevents interference with the guide rod 13.

[0033] Further, the guide rod 13 is provided with a fourth nut 2 between the rotating plate 5 and the long screw rod 1. The fourth nut 2 can limit the end of the rotating plate 5 and prevent the rotating plate 5 from being directly in contact with the long screw rod 1 to cause abrasion.

[0034] The working process and principle of the utility model are as follows:

[0035] In the specific installation and use process, first, the whole scraping mechanism is installed on the outer wall of the rack of the belt conveyor through the first mounting plate 4 and the second mounting plate 19, and the scraper 16 is in contact with the outer surface of the belt, then when the outer surface of the belt has adhering material during the material conveying process of the belt conveyor, the rotating plate 5 can be reliably compressed at all times through the above-mentioned elastic compression mechanism, thereby driving the rotating sleeve 6 through the rotating plate 5, driving the rotating rod 7 through the rotating sleeve 6, and driving the scraper 16 to be in compressive contact with the outer surface of the belt through the rotating rod 7, so as to realize scraping of the adhering material on the outer surface of the belt; when the scraper 16 is abraded, the elastic compression mechanism will generate elastic force in time, thereby further compressing the rotating plate 5, and compressing the rotating sleeve 6, the rotating rod 7 and the scraper 16 through the rotating plate 5 to compensate for the abrasion amount, thereby achieving the effect of reliable scraping.

Claims

1. A concrete production sand belt conveyor scraping mechanism, characterized in that, The utility model provides a kind of belt cleaning device, including the first mounting plate (4) and the second mounting plate (19) for being fixedly connected with the outer wall of the frame end of belt conveyor;The seat sleeve (10) is respectively installed on the outer wall of the first mounting plate (4) and the second mounting plate (19);The rotating rod (7) is rotatably installed in the inside of the seat sleeve (10) of both sides;The scraper (16) for contacting with the outer surface of belt is fixedly installed in the middle part of rotating rod (7);The rotating sleeve (6) is sleeved on the two outer ends of rotating rod (7) by locking mechanism respectively, and the rotating plate (5) is fixed on the outer wall of rotating sleeve (6), and the elastic compression mechanism that is always compressed to scraper (16) is fixed between rotating plate (5) and the first mounting plate (4) and the second mounting plate (19) of corresponding side.

2. A concrete production sand belt conveyor scraping mechanism according to claim 1, characterized in that: The first mounting plate (4) and the second mounting plate (19) are respectively cut from steel plate material, and a plurality of bolt holes (3) are provided on the first mounting plate (4) and the second mounting plate (19), and the first mounting plate (4) and the second mounting plate (19) are fixedly connected with the belt conveyor by bolts.

3. The concrete production sand belt conveyor scraping mechanism of claim 1, wherein: The rotating rod (7) is cut from a steel pipe.

4. The concrete production sand belt conveyor scraping mechanism of claim 1, wherein: The bottom end of the scraper (16) is provided with a scraper mounting groove (21), the scraper mounting groove (21) is matched with the scraper mounting plate (15), the scraper mounting plate (15) is fixed on the outer wall of the rotating rod (7), and the scraper (16) is fixedly connected with the scraper mounting plate (15) by the first bolt (17) and the first nut (18).

5. A concrete production sand belt conveyor scraping mechanism according to claim 4, characterized in that: The scraper (16) is in an arc shape and is made of polyurethane plate material.

6. The concrete production sand belt conveyor scraping mechanism of claim 1, wherein: The locking mechanism includes a bolt fixing seat (8) arranged side by side on the rotating sleeve (6), a locking screw (9) is threadedly driven and installed in the inside of the bolt fixing seat (8), the end of the locking screw (9) abuts against the outer wall of the rotating rod (7), and the position of the rotating sleeve (6) is locked.

7. The concrete production sand belt conveyor scraping mechanism of claim 1, wherein: The end of the rotating plate (5) is fixed on the outer wall of the rotating sleeve (6) by welding.

8. The concrete production sand belt conveyor scraping mechanism of claim 1, wherein: The elastic compression mechanism includes a long screw rod (1) fixed on the outer wall of the corresponding first mounting plate (4) and the second mounting plate (19) by the second nut (20), a guide rod (13) is fixed vertically on the outer wall of the long screw rod (1), the guide rod (13) passes through a waist-shaped hole (22) arranged on the rotating plate (5), and a compression spring (11) is sleeved on the guide rod (13); one end of the compression spring (11) contacts with the outer surface of the rotating plate (5), and the other end is limitingly fixed by a gasket (12) and a third nut (14) arranged on the guide rod (13).

9. A concrete production sand belt conveyor scraping mechanism according to claim 8, characterized in that: A fourth nut (2) is arranged on the guide rod (13) between the rotating plate (5) and the long screw rod (1).

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