Self-cleaning scraping plate of screening and crushing all-in-one machine and crushing device of self-cleaning scraping plate

Abstract

The utility model relates to the technical field of industrial production, and particularly discloses a self-cleaning scraping plate of a screening and crushing all-in-one machine and a crushing device thereof, and the device comprises the screening and crushing all-in-one machine, a mounting part and a cleaning part. Wherein the mounting part consists of continuously bent rectangular plates and is connected with the inner wall of a feeding box of the screening and crushing all-in-one machine to form a bracket for mounting the cleaning part. The cleaning part comprises a telescopic mechanism and a scraping plate, the telescopic mechanism is installed on the support of the installation part, the guide rail is fixed to the first supporting arm and the second supporting arm of the installation part, and the connecting sliding block moves through the guide rail and is fixedly connected with the scraping plate. The self-cleaning scraper blade has an automatic cleaning function, can effectively reduce equipment failure and downtime, improves equipment reliability and production efficiency, simplifies the maintenance process, and can meet the material cleaning requirements of various crushers.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial production devices, in particular to a self-cleaning scraper of a screening and crushing integrated machine and a crushing device thereof. Background Art

[0002] At present, industrial and mining enterprises use jaw crushers, cone crushers, roll crushers, hammer crushers and many other types of crushers to crush coke, coal, ore, gravel and other raw materials. However, various crushers will always leave some materials during processing. If the residual materials are not cleaned up, it will affect the subsequent crushing process and may also mix multiple materials. In short, there are many inconveniences.

[0003] The patent "A self-cleaning hammer crusher" (publication number CN209576876U, hereinafter referred to as prior art 1) discloses a self-cleaning hammer crusher, which is introduced with high-pressure air through a rotary joint, and the crusher is purged by using the air pipeline, air holes, air hole grooves and the rotation of the rotating shaft to prevent wet materials from sticking to the lining plate and the rotor disk, thereby reducing blockage. The rotating shafts of the shaft system assemblies of the self-cleaning components rotate to drive the hammer head to crush the wet coal materials, and the rotary joint introduces high-pressure air, which enters the crushing chamber through the air pipeline and air holes to purge the wet materials stuck to the rotor disks and the inner lining plates to prevent them from being blocked, thereby achieving the self-cleaning function of the crusher and reducing the maintenance workload; this self-cleaning mechanism purges the material through high-pressure air, thereby cleaning the stuck material, but this method can only purge and clean the material with a low degree of sticking, and once it encounters the material with a high degree of sticking, it cannot be cleaned. Utility Model Content

[0004] In view of this, an embodiment of the utility model provides a self-cleaning scraper of a screening and crushing integrated machine and a crushing device thereof, so as to solve the problem that the existing scraper can effectively clean the sticky materials in the crushing machine box.

[0005] In the first aspect, the embodiment of the utility model provides a self-cleaning scraper of a screening and crushing integrated machine, including a screening and crushing integrated machine, wherein the screening and crushing integrated machine is provided with a feed box; characterized in that it also includes a mounting portion and a cleaning portion; the mounting portion is formed by a rectangular plate being bent twice in the same direction; the mounting portion includes a first arm and a second arm; the bottoms of the first arm and the second arm of the mounting portion are both connected to the inner wall of the feed box of the screening and crushing integrated machine, and the mounting portion is installed in a direction extending inside the body of the screening and crushing integrated machine, and forms a bracket for installing the cleaning portion; the cleaning portion includes a telescopic mechanism and a scraper; the telescopic mechanism includes a guide rail, a connecting slider and a push rod; the push rod includes at least one pair; the scraper is detachably connected to the bottom of a pair of push rods; the guide rail includes a pair; the telescopic mechanism is installed between the first arm and the second arm, and the pair of guide rails are respectively fixed on the inner walls of the first arm and the second arm; the two ends of the connecting slider are respectively slidably installed on the pair of guide rails; the pair of push rods are fixedly connected to the connecting slider, and the pair of push rods are moved by the connecting slider.

[0006] Preferably, the first arm and the second arm of the mounting portion are respectively provided with a clamping mechanism at one end connected to the feed box; the mounting portion is mounted to the side wall of the feed box of the integrated screening and crushing machine via the clamping mechanism.

[0007] Preferably, a water channel is provided inside the push rod, a water pipe is provided inside the water channel, and the push rod is also provided with a nozzle at one end where the scraper is mounted; the nozzle is arranged inside the water channel.

[0008] Preferably, the end of a pair of push rods that is not connected to the scraper is connected by a connecting plate; a plurality of connecting holes 130 are provided on the connecting plate, and the connecting plate is connected to an external power device through the plurality of connecting holes 130.

[0009] Preferably, the scraper is arranged at a position outside the bottom of the mounting portion and contacts the inner wall of the feed box of the integrated screening and crushing machine.

[0010] Preferably, the scraper has an arc-shaped cross-section; a pair of push rods are connected to the scraper through the concave side of the scraper.

[0011] Preferably, the scraper is made of a hard material with wear resistance; the scraper scrapes the interior in contact with the feed box by applying a thrust to the connecting plate.

[0012] Preferably, the telescopic mechanism further comprises a spring, wherein the spring is sleeved on a pair of the push rods, and the spring is provided on the push rods to provide a stable contact force between the scraper and the inner wall of the feed box.

[0013] Preferably, reinforcing ribs are provided at the bending parts of the first arm and the second arm, and the reinforcing ribs respectively connect the top of the rectangular plate with the first arm and the second arm in a triangular structure.

[0014] In a second aspect, a crushing device is provided, comprising a self-cleaning scraper of a screening and crushing integrated machine as described in any of the above items.

[0015] The self-cleaning scraper of the screening and crushing integrated machine and the crushing device thereof provided by the utility model have the following beneficial effects:

[0016] 1. Self-cleaning function: The scraper design can automatically or manually clean the accumulated materials by connecting external equipment or manually through the setting of the push rod and the scraper; clean the residues inside the screening and crushing machine, including materials, impurities, fragments, etc., to ensure that the equipment always maintains good screening efficiency and crushing effect during operation.

[0017] 2. Easy to disassemble, install and use: The self-cleaning scraper can be used in a variety of crushing devices through the clamping mechanism provided on the first arm and the second arm, and can be installed and used immediately; and through the detachable connection between the scraper and the push rod, the scraper can be replaced to adapt to more application environments and improve the scraping efficiency of the scraper;

[0018] 3. Improve the efficiency of scraping: The cross-sectional shape of the scraper is arc-shaped, which can better exert scraping force on the accumulated materials, making it easier to clean up the accumulated materials; and by setting water channels and nozzles, for materials with a high degree of adhesion, it is not easy to clean them directly, and the solvent is applied through the nozzle, so that the adhered materials can be scraped out more easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the following is a brief introduction to the drawings required for use in the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work, and these are all within the protection scope of the utility model.

[0020] Figure 1 It is a schematic diagram of the assembly structure of a self-cleaning scraper of a screening and crushing integrated machine and the screening and crushing integrated machine;

[0021] Figure 2 It is a schematic diagram of the assembly structure of the self-cleaning scraper and the feed box of a screening and crushing integrated machine;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the self-cleaning scraper cleaning part of a screening and crushing integrated machine;

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the self-cleaning scraper cleaning part of the screening and crushing integrated machine from another angle;

[0024] Parts and numbers in the picture:

[0025] 1-screening and crushing integrated machine, 11-feed box, 12-installation part, 121-first arm, 122-second arm; 123-push rod, 124-scraper, 125-connecting plate, 126-guide rail, 127-connecting slider, 128-water channel, 129-nozzle, 130-connecting hole, 131-reinforcement rib. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the utility model. Moreover, the terms "comprises", "includes" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the presence of other identical elements in the process, method, article or device including the elements. If there is no conflict, the embodiments of the utility model and the various features in the embodiments can be combined with each other, all within the scope of protection of the utility model.

[0027] Example 1

[0028] See also Figures 1 to 4The embodiment of the utility model provides a self-cleaning scraper of a screening and crushing machine, including a screening and crushing machine 1, wherein the screening and crushing machine 1 is provided with a feed box 11; it is characterized in that it also includes a mounting portion 12 and a cleaning portion; the mounting portion 12 is formed by bending a rectangular plate twice in the same direction; the two bending angles are the same, and the bending angles are generally 90°; the mounting portion 12 includes a first support arm 121 and a second support arm 122; the bottoms of the first support arm 121 and the second support arm 122 of the mounting portion are connected to the inner wall of the feed box 11 of the screening and crushing machine 1, and the mounting portion 12 is installed in a direction extending inside the body of the screening and crushing machine 1, and forms a bracket for installing the cleaning portion; under the support of the mounting portion 12, the cleaning portion can stably clean the material inside the screening and crushing machine.

[0029] The cleaning part includes a telescopic mechanism and a scraper 124; the telescopic mechanism includes a guide rail 126, a connecting slider 127 and a push rod 123; the push rod 123 includes at least one pair; the scraper 124 is detachably connected to the bottom of a pair of push rods 123; the guide rail 126 includes a pair.

[0030] The telescopic mechanism is installed between the first arm 121 and the second arm 122, and a pair of guide rails 126 are respectively fixed on the inner walls of the first arm 121 and the second arm 122; the two ends of the connecting slider 127 are respectively slidably installed on the pair of guide rails 126; a pair of push rods 123 are fixedly connected to the connecting slider 127, and the pair of push rods 123 are moved by the connecting slider 127; there can be multiple connecting sliders 127 or one connecting slider 127, and the connecting slider 127 connects a pair of push rods 123 so that the push rods 123 will not shake left and right, thereby ensuring their stability; the two ends of the connecting slider 127 are respectively arranged in the guide rails 126, and can slide based on the guide rails 126, and drive the scraper 124 to perform scraping action; when the required length of the push rod 123 is longer, the push rod 123 can be connected by multiple connecting sliders 127 to ensure its stability and rigidity.

[0031] Preferably, the first arm 121 and the second arm 122 of the mounting portion 12 are respectively provided with a clamping mechanism at one end connected to the feed box 11; the mounting portion 12 is mounted to the side wall of the feed box of the integrated screening and crushing machine 1 via the clamping mechanism.

[0032] Preferably, a water channel 128 is provided inside the push rod 123, and a water pipe is provided inside the water channel 128. The push rod 123 is also provided with a nozzle 129 at one end where the scraper 124 is installed; the nozzle 129 is arranged inside the water channel 128; for materials with a high degree of adhesion, when the scraper is used to scrape the materials, water is sprayed through the water channel 128 and the nozzle 129 to wet the materials with a high degree of adhesion, so that the degree of adhesion after wetting is reduced and it is easier to clean; the solution sprayed by the water channel 128 can be a solvent or water; the nozzle 129 can be replaced with a scattering nozzle or a concentrated spray nozzle, and the replacement is selected according to the actual application.

[0033] Preferably, the end of a pair of push rods 123 that is not connected to the scraper 124 is connected by a connecting plate 125; the scraper 124 is arranged at a position outside the bottom of the mounting portion 12 and contacts the inner wall of the feed box 11 of the screening and crushing machine 1.

[0034] Preferably, the scraper 124 has an arc-shaped cross section; a pair of push rods 123 are connected to the scraper 124 through the concave side of the scraper 124; the design of the scraper 124 can also be customized according to different materials and the structure of the screening and crushing machine to ensure the best cleaning effect. At the same time, the connection between the scraper 124 and the telescopic mechanism adopts a detachable design, which is convenient for replacement and maintenance; the scraper 124 is made of a hard material with wear resistance; the scraper 124 scrapes the inside of the feed box in contact with the material by applying a thrust to the connecting plate 125.

[0035] Preferably, the telescopic mechanism further includes a spring, and the spring is sleeved on a pair of the push rods 123 . The spring is provided on the push rods 123 to provide a stable contact force between the scraper 124 and the inner wall of the feed box 11 .

[0036] Preferably, reinforcing ribs 131 are provided at the bending parts of the first arm 121 and the second arm 122, and the reinforcing ribs 131 respectively connect the top of the rectangular plate with the first arm 121 and the second arm 122 in a triangular structure, thereby increasing the strength of the mounting portion 12 and increasing its service life.

[0037] The self-cleaning scraper can be driven by an external electric motor or cylinder, and can automatically make its push rod 123 and the scraper 124 retract and scrape materials, so as to better clean the residual materials in the crusher feed chamber. The main part of the self-cleaning scraper is made of high-strength wear-resistant material to ensure its good durability and stability during continuous operation. Specifically, this self-cleaning scraper can have three parts: a scraper body, a driving mechanism and a telescopic mechanism. The scraper body is designed as an arc structure, which can fit tightly against the inner wall of the crusher feed port and effectively scrape off the attached materials. The driving mechanism drives the scraper body to scrape materials through an electric motor or a cylinder, so that the scraper 124 forms an efficient material cleaning effect in the feed bin; the telescopic mechanism can adjust the required length of the scraper 124 as needed to adapt to the feed chamber of the crusher of different specifications. This design not only improves the cleaning effect, but also enhances the versatility and flexibility of the equipment.

[0038] In addition, the self-cleaning scraper can also be equipped with an intelligent control system, which can automatically adjust the extension length and scraping frequency of the scraper according to the operating status of the crusher and the material accumulation to achieve the best cleaning effect. At the same time, the control system can also have a fault self-diagnosis function. Once a fault or abnormality is found in the equipment, it can stop the machine in time and issue an alarm to ensure the safe operation of the equipment. In general, the self-cleaning scraper of this screening and crushing machine is uniquely designed and fully functional. It not only improves the production efficiency of the crusher, but also reduces the cost of equipment maintenance and cleaning. It is an important part of the upgrade and transformation of crusher equipment.

[0039] The utility model provides a self-cleaning scraper for a screening and crushing integrated machine. By combining a mounting part and a cleaning part, the automatic cleaning inside the screening and crushing integrated machine is realized, which effectively improves the use efficiency and cleanliness of the screening and crushing integrated machine and reduces the cost and labor intensity of manual cleaning. At the same time, the self-cleaning scraper has a simple structure, is easy to implement, and has good application prospects.

[0040] Example 2

[0041] Second, see Figures 1 to 4 The embodiment of the utility model provides a crushing device, characterized in that it includes a self-cleaning scraper of a screening and crushing integrated machine 1 as described in any of the above embodiments; in summary, the self-cleaning scraper of a screening and crushing integrated machine 1 of the utility model realizes the automatic cleaning of the inner wall of the feed box 11 of the screening and crushing integrated machine 1 through the structural design of the mounting part 12 and the cleaning part, effectively avoiding the problem of material blockage and adhesion, and improving the working efficiency and stability of the screening and crushing integrated machine. At the same time, the self-cleaning scraper also has the advantages of simple structure, easy use, low maintenance cost, etc., and has good practicality and promotion value.

[0042] Example 3

[0043] See also Figures 1 to 4 The embodiment of the utility model provides a self-cleaning scraper of a screening and crushing integrated machine and its crushing device; the scraper 124 is designed to be connected to an external device or manually through the setting of the push rod 123 and the scraper 124 to automatically or manually clean the accumulated materials; clean the residues inside the screening and crushing integrated machine, including materials, impurities, fragments, etc., to ensure that the equipment always maintains good screening efficiency and crushing effect during operation; it is easy to install and use, and the self-cleaning scraper can be used for a variety of crushing devices through the clamping mechanism provided on the first support arm 121 and the second arm 122, and can be installed and used; and through the detachable connection between the scraper 124 and the push rod 123, the scraper 124 can be replaced to adapt to more application environments and improve the scraping efficiency of the scraper 124; the cross-sectional shape of the scraper 124 is arc-shaped, which can better exert pressure on the accumulated materials The scraping force makes it easier to clean up the accumulated materials; and by setting the water channel 128 and the nozzle 129, for materials with a high degree of adhesion that are not easy to clean directly, the solvent is applied by the nozzle so that the adhered materials can be scraped out more easily; through the automatic cleaning mechanism, equipment failures and downtime caused by residue accumulation are reduced, thereby improving the reliability and stability of the equipment; the self-cleaning function can reduce the need for manual cleaning, save manpower and time costs, and at the same time ensure the continuous operation of the equipment, effectively improving production efficiency; the design structure of the self-cleaning scraper is relatively simple, easy to install and maintain, reducing maintenance costs and maintenance cycles, and extending the service life of the equipment; the automatic cleaning function can reduce energy consumption during the cleaning process, and at the same time reduce waste and pollutants that may be generated during the cleaning process, which is beneficial to environmental protection and energy conservation and emission reduction.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A self-cleaning scraper of a screening and crushing machine, comprising a screening and crushing machine (1), wherein the screening and crushing machine (1) is provided with a feed box (11); characterized in that: It also comprises a mounting portion and a cleaning portion; the mounting portion (12) is formed by bending a rectangular plate twice in the same direction; the mounting portion (12) comprises a first arm (121) and a second arm (121); the bottoms of the first arm and the second arm of the mounting portion are both connected to the inner wall of the feed box (11) of the screening and crushing machine (1); the mounting portion (12) is installed in a direction extending inside the body of the screening and crushing machine (1) and forms a bracket for mounting the cleaning portion; The cleaning part comprises a telescopic mechanism and a scraper (124); the telescopic mechanism comprises a guide rail (126), a connecting slider (127) and a push rod (123); the push rod (123) comprises at least one pair; the scraper (124) is detachably connected to the bottom of the pair of push rods (123); the guide rail (126) comprises a pair; The telescopic mechanism is installed between the first support arm (121) and the second support arm (121); the pair of guide rails (126) are respectively fixed on the inner walls of the first support arm (121) and the second support arm (121); the two ends of the connecting slider (127) are respectively slidably installed on the pair of guide rails (126); the pair of push rods (123) are fixedly connected to the connecting slider (127), and the pair of push rods (123) are moved through the connecting slider (127).

2. The self-cleaning scraper of the screening and crushing integrated machine according to claim 1, characterized in that: The first arm (121) and the second arm (121) of the mounting portion (12) are provided with clamping mechanisms at their ends connected to the feed box (11); the mounting portion (12) is mounted on the side wall of the feed box (11) of the integrated screening and crushing machine via the clamping mechanisms.

3. The self-cleaning scraper of the screening and crushing integrated machine according to claim 1, characterized in that: A water channel (128) is provided inside the push rod (123), and a water pipe is provided inside the water channel (128). The push rod (123) is also provided with a nozzle (129) at one end where the scraper (124) is installed; the nozzle (129) is arranged inside the water channel (128).

4. The self-cleaning scraper of the screening and crushing integrated machine according to claim 1, characterized in that: The ends of the pair of push rods (123) that are not connected to the scraper (124) are connected via a connecting plate (125); a plurality of connecting holes (130) are provided on the connecting plate (125), and the connecting plate (125) is connected to an external power device via the plurality of connecting holes (130).

5. The self-cleaning scraper of the screening and crushing integrated machine according to claim 1, characterized in that: The scraper (124) is arranged at a position outside the bottom of the mounting portion (12) and is in contact with the inner wall of the feed box (11) of the integrated screening and crushing machine.

6. The self-cleaning scraper of the screening and crushing integrated machine according to claim 1, characterized in that: The scraper (124) has an arc-shaped cross section; a pair of push rods (123) are connected to the scraper (124) through the concave side of the scraper (124).

7. The self-cleaning scraper of the integrated screening and crushing machine according to claim 4, characterized in that: The scraper (124) is made of a hard material with wear resistance; the scraper (124) scrapes the interior of the feed box (11) in contact with the material by applying a thrust to the connecting plate (125).

8. The self-cleaning scraper of the integrated screening and crushing machine according to claim 1, characterized in that: The telescopic mechanism also includes a spring, which is sleeved on a pair of the push rods (123). The spring is provided on the push rods (123) to provide a stable contact force between the scraper (124) and the inner wall of the feed box (11).

9. The self-cleaning scraper of the integrated screening and crushing machine according to claim 1, characterized in that: Reinforcing ribs (131) are provided at the bending points of the first supporting arm (121) and the second supporting arm (121), and the reinforcing ribs (131) respectively connect the top of the rectangular plate with the first supporting arm (121) and the second supporting arm (121) in a triangular structure.

10. A crushing device, characterized in that: It comprises a self-cleaning scraper of a screening and crushing integrated machine as described in any one of claims 1 to 9.

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