Scraper plate structure for preventing material return of conveying belt

Abstract

The utility model provides a scraper structure for preventing material return of a conveying belt. The scraper structure comprises a plurality of supports, the torsion arm is rotationally connected to the bracket; one end of the scraping plate is fixedly connected with the torsion arm, and the other end of the scraping plate is attached to the surface of the conveying belt; and the scraping device is used for scraping materials adhered to the conveying belt. According to the utility model, the connecting piece is taken down from the original connecting part, namely, the balancing weight is taken down, then the connecting piece is arranged on other connecting parts according to requirements, and the balancing weight is mounted again, specifically, the balancing weight is mounted on the connecting part close to the torsion arm, and due to the lever principle, the scraper and the conveying belt are attached loosely, so that the balancing weight is mounted more firmly. By means of the structure, materials which are attached loosely can be scraped away, friction to the conveying belt is reduced, on the contrary, when the balancing weight is installed on the connecting portion away from the torsion arm, the scraper is attached to the conveying belt more tightly, and therefore the materials which are attached firmly can be scraped away, and the effect that the tightness of the scraper is adjustable is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the material back of the transmission belt, especially relates to a kind of scraper structure for the material back of the transmission belt. BACKGROUND

[0002] Material transmission belt is in operation, especially the material has certain adhesion, damp state, transmission belt is adhered, returns to the material conveyed, is accumulated below transmission belt, and is adhered on belt machine roller, causes the problem such as belt resistance increase, deviation, wear and tear;

[0003] And the material adhered on the transmission belt is scraped by the existing scraper, the scraper is fixed, and the tightness of the scraper cannot be adjusted, so the tightness of the scraper cannot be adjusted according to the actual production environment, for example, the material adhered on the transmission belt is relatively loose, and the operator cannot adjust the tightness of the scraper, so that the force applied by the scraper to the transmission belt is reduced, so that the adhered material can be effectively scraped while reducing the friction to the transmission belt. SUMMARY

[0004] Therefore, the utility model discloses a kind of tightness adjustable scraper structures for the material back of the transmission belt.

[0005] The utility model provides the following technical scheme: a kind of scraper structure for the material back of the transmission belt, comprising:

[0006] Several supports;

[0007] Torsion arm, rotationally connected on the support;

[0008] Scraper, one end is fixedly connected with the torsion arm, the other end is attached to the surface of the transmission belt;For the material adhered to the transmission belt is scraped;

[0009] Hanging arm, the torsion arm extends to the side close to the transmission belt and forms the hanging arm, the lever principle is formed between the hanging arm and the scraper, the torsion arm is the fulcrum of the lever principle between the hanging arm and the scraper;

[0010] Multiple connection sites, multiple connection sites are arranged on the hanging arm from away from the torsion arm to gradually close to the torsion arm;

[0011] Counterweight, for applying force to the scraper and attaching the transmission belt;

[0012] Connecting piece, the connecting piece connects the counterweight with the connection site on the hanging arm.

[0013] Furthermore, a connecting frame is provided on the side of the support away from the conveyor belt, and a baffle is provided on the connecting frame to prevent the material scraped off by the scraper from splashing.

[0014] Furthermore, the connecting part is a hanging hole formed through the boom.

[0015] Furthermore, the connector is a rope, which passes through the hanging hole and the counterweight in sequence and is then knotted at both ends to connect the counterweight to the hanging hole.

[0016] Furthermore, the connecting part is a groove opened on the upper part of the boom.

[0017] Furthermore, the connector is a metal ring, and a metal ring is provided on the upper part of the counterweight, with the metal ring located within the groove.

[0018] Furthermore, the scraper structure also includes sliding blocks that pass sequentially through the plurality of grooves and are slidably connected to the boom.

[0019] Furthermore, a magnetic block is provided on the boom, the magnetic block is located on the groove near the torsion arm, and a magnetic block is provided on the end of the sliding block near the torsion arm, the magnetic block cooperating with the magnetic block.

[0020] Furthermore, the counterweight includes a weight block, two protrusions respectively provided on both sides of the upper part of the weight block, and a connecting rod provided between the two protrusions, with a gap between the connecting rod and the weight block.

[0021] The beneficial effects of this utility model are as follows: by removing the connector from the original connection point, the counterweight is also removed. Then, according to the requirements, the connector is placed on other connection points, and the counterweight is reinstalled. Specifically, when the counterweight is installed on the connection point near the torsion arm, due to the lever principle, the looser the scraper is in contact with the conveyor belt, the more loosely adhered material can be scraped off, and friction on the conveyor belt is also reduced. Conversely, when the counterweight is installed on the connection point away from the torsion arm, the tighter the scraper is in contact with the conveyor belt, and the more firmly adhered material can be scraped off. This achieves the effect of adjustable scraper tension. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention in its working state.

[0023] Figure 2 This is a three-dimensional structural diagram of the first embodiment of the present utility model.

[0024] Figure 3 This is a three-dimensional structural diagram of the second embodiment of the present utility model.

[0025] Figure 4 It is the stereogram of the partial structure of the second embodiment of the utility model.

[0026] The signs in the drawing are: 1-transmission belt, 2-bracket, 3-torsional arm, 4-scraping plate, 5-hanging arm, 6-hanging hole, 7-rope, 8-counterweight, 81-weight block, 82-bulge, 83-connecting rod, 9-connecting frame, 10-baffle, 11-metal ring, 12-groove, 13-sliding block, 14-magnetic suction block, 15-magnetic block. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The drawings show several embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] As Figure 1 and Figure 2As shown, it is the first embodiment of the utility model, this embodiment provides a kind of for the structure of scraper 4 of material return prevention of conveying belt 1, comprising: several supports 2;Torsion arm 3, rotationally connected on the support 2;Scraper 4, one end is fixedly connected with the torsion arm 3, the other end is attached on the surface of the conveying belt 1;For the material adhered to the conveying belt 1 is scraped;Boom 5, the torsion arm 3 extends to the side close to the conveying belt 1 and is formed with the boom 5, lever principle is formed between the boom 5 and the scraper 4, the torsion arm 3 is the fulcrum of lever principle between the boom 5 and the scraper 4;Multiple connection sites, multiple connection sites are arranged on the boom 5 from the torsion arm 3 to gradually close to the torsion arm 3;Counterweight 8, for exerting force on the scraper 4 and the conveying belt 1 attached;Connecting piece, the connecting piece connects the counterweight 8 with the connection site on the boom 5.

[0031] Wherein, in the embodiment, two supports 2 are provided, which can be appropriately increased or reduced in other embodiments, and the two supports 2 are rotationally connected with the two ends of the torsion arm 3, so that good support force of the torsion arm 3 can be provided;

[0032] It can be understood that, during the operation of the conveying belt 1, the material adhered to the surface of the conveying belt 1 will be scraped by the scraper 4 due to the attachment of the scraper 4 and the conveying belt 1, so as to prevent the adhered material from being brought back to the working area by the conveying belt 1; when it is necessary to adjust the tightness of the scraper 4, the operator can remove the connecting piece from the original connection site, so as to remove the counterweight 8, then according to the requirement, the connecting piece is arranged on other connection sites, so as to re-mount the counterweight 8, specifically, the counterweight 8 is mounted on the connection site close to the torsion arm 3, due to the lever principle, the attachment of the scraper 4 and the conveying belt 1 is looser, so as to scrape the relatively loose adhered material, and also reduce the friction on the conveying belt 1, on the contrary, the counterweight 8 is mounted on the connection site away from the torsion arm 3, the attachment of the scraper 4 and the conveying belt 1 is tighter, so as to scrape the relatively firm adhered material.

[0033] The side, away from the conveying belt 1, of the support 2 is provided with a connecting frame 9, the connecting frame 9 is provided with a baffle 10, and the baffle 10 is used for preventing the material scraped down by the scraper 4 from splashing.

[0034] It can be understood that, during the operation of the conveying belt 1, the material adhered to the conveying belt 1 will be scraped by the scraper 4, and some material will splash during scraping, which can be blocked by the baffle 10 to avoid the material from splashing everywhere.

[0035] The connecting part is a hanging hole 6 formed through the hanging arm 5, the connecting piece is a rope 7, and the rope 7 is sequentially threaded through the hanging hole 6 and the counterweight 8 and knotted at two ends, so that the counterweight 8 and the hanging hole 6 are connected together; the counterweight 8 comprises a weight block 81, two protrusions 82 arranged on both sides of the upper portion of the weight block 81, and a connecting rod 83 arranged between the two protrusions 82, and a gap is formed between the connecting rod 83 and the weight block 81.

[0036] It can be understood that when the operator needs to change the position of the counterweight 8, the operator can open the knot of the rope 7, then take the rope 7 out of the original hanging hole 6, so as to take the counterweight 8 out, then thread one end of the rope 7 into the corresponding hanging hole 6 and the gap between the connecting rod 83 and the weight block 81, then contact and pull the two ends of the rope 7, so that the counterweight 8 is in a suspended state, then knot the two ends of the rope 7 at a suitable position, so that the counterweight 8 is hung at the hanging hole 6 by the rope 7, thereby the counterweight 8 applies force to the scraper 4, and the scraper 4 can scrape off the material adhered to the conveying belt 1.

[0037] In summary, by taking the connecting piece out of the original connecting part, the counterweight 8 is taken off, then the connecting piece is placed on other connecting parts according to the requirement, so that the counterweight 8 is reinstalled, specifically, the counterweight 8 is installed on the connecting part close to the torsion arm 3, due to the principle of lever, the scraper 4 is more loose in adhesion to the conveying belt 1, so that the material adhered more loosely can be scraped off, and the friction to the conveying belt 1 is reduced, on the contrary, the counterweight 8 is installed on the connecting part far away from the torsion arm 3, the scraper 4 is more tight in adhesion to the conveying belt 1, so that the material adhered more firmly can be scraped off, thereby the tightness of the scraper 4 can be adjusted.

[0038] Please refer to Figures 3-4 , which shows the structure of the scraper 4 in the second embodiment of the utility model, and the scraper 4 in the second embodiment is different from the scraper 4 in the first embodiment in that the connecting part is a groove 12 formed in the upper portion of the hanging arm 5; the connecting piece is a metal ring 11, the upper portion of the counterweight 8 is provided with the metal ring 11, and the metal ring 11 is located in the groove 12.

[0039] It can be understood that when the operator needs to change the position of the counterweight 8, the operator can take the metal ring 11 out of the original groove 12, so as to take the counterweight 8 off, then put the metal ring 11 into the corresponding groove 12, that is, change the position of the counterweight 8 and install it into the corresponding groove 12; the groove 12 is square, so that the metal ring 11 cannot fall out of the groove 12.

[0040] Further, the structure of the scraper 4 further comprises a sliding block 13 slidably connected to the hanging arm 5 through the plurality of grooves 12 in sequence; the hanging arm 5 is provided with a magnetic suction block 14, the magnetic suction block 14 is located on the groove 12 close to the torsion arm 3, and the sliding block 13 is provided with a magnetic block 15 on one end close to the torsion arm 3, and the magnetic block 15 cooperates with the magnetic suction block 14.

[0041] It can be understood that, further, in order to prevent the metal ring 11 from falling out of the groove 12, the sliding block 13 is arranged, specifically, when the operator needs to take out the metal ring 11 from the groove 12, the operator can slide the sliding block 13, so that the sliding block 13 slides out of the hanging arm 5, the sliding block 13 will no longer block the opening of the groove 12, then the operator can take out the metal ring 11 from the groove 12, when the operator re-places the metal ring 11 into the corresponding groove 12, the operator can slide the sliding block 13 into the hanging arm 5 again, and make the magnetic block 15 on the sliding block 13 contact with the magnetic suction block 14 on the hanging arm 5, so that the magnetic block 15 and the magnetic suction block 14 are magnetically attracted and cooperated, so that the sliding block 13 is not easy to slide on the hanging arm 5, and the sliding block 13 blocks the opening of the groove 12, so that the metal ring 11 is prevented from falling out of the groove 12.

[0042] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included 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 mean 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.

[0043] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A flight structure for a conveyor belt to prevent backfeed, characterized in that, The utility model relates to a kind of material scraping device, including: Several supports; Torsion arm, rotationally connected on the support; Scraper, one end is fixedly connected with the torsion arm, the other end is attached to the surface of the conveying belt; For the material adhered to the conveying belt is scraped; Hanging arm, the torsion arm extends to the side close to the conveying belt and forms the hanging arm, the lever principle is formed between the hanging arm and the scraper, the torsion arm is the fulcrum of the lever principle between the hanging arm and the scraper; Multiple connection sites, multiple connection sites are arranged on the hanging arm from away from the torsion arm to gradually close to the torsion arm; Counterweight, for the scraper is applied to the force and the conveying belt is attached; Connecting piece, the connecting piece connects the counterweight with the connection site on the hanging arm.

2. The flight structure of claim 1, wherein The side of the support away from the conveying belt is provided with a connecting frame, and the connecting frame is provided with a baffle, and the baffle is used to prevent the material scraped by the scraper from splashing.

3. The flight structure of claim 1, wherein The connection site is a hanging hole formed through the hanging arm.

4. The flight structure of claim 3, wherein, The connecting piece is a rope, and the rope is sequentially threaded through the hanging hole and the counterweight, and the ends are knotted, so that the counterweight and the hanging hole are connected together.

5. The flight structure of claim 1, wherein, The connection site is a groove opened in the upper part of the hanging arm.

6. The flight structure of claim 5, wherein, The connecting piece is a metal ring, and the upper part of the counterweight is provided with a metal ring, and the metal ring is located in the groove.

7. The flight structure of claim 6, wherein, The scraper structure further includes a sliding block that is sequentially threaded through multiple grooves and slidingly connected to the hanging arm.

8. The flight structure of claim 7, wherein, The hanging arm is provided with a magnetic block, and the magnetic block is located in the groove close to the torsion arm, and the sliding block is provided with a magnetic block on the end close to the torsion arm, and the magnetic block cooperates with the magnetic block.

9. The flight structure of claim 4 or 8, wherein, The counterweight includes a weight block, two protrusions respectively arranged on the upper part of the weight block, and a connecting rod arranged between the two protrusions, and there is a gap between the connecting rod and the weight block.

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