Telescopic belt conveyor

Abstract

The utility model relates to the technical field of conveyors, in particular to a telescopic belt conveyor which comprises a shell and a belt conveyor body, the belt conveyor body comprises a belt wheel arranged in the shell and a conveying belt arranged on the belt wheel in a sleeved mode, moving grooves are oppositely formed in the two side walls of the shell, movable moving blocks are arranged in the moving grooves, and the belt conveyor body is connected with the shell. The moving block is provided with a cleaning roller used for cleaning the belt, and the shell is provided with a limiting assembly used for limiting the moving block. Through the arrangement of the moving groove, the moving block, the cleaning roller and the limiting assembly, the limiting assembly can limit the cleaning roller to be away from or make contact with the conveying belt, after the conveying belt is used for a period of time, the cleaning roller can be driven to be close to and make contact with the conveying belt through movement of the moving block, and the cleaning roller is fixed through the limiting assembly; and the cleaning roller is used for cleaning the conveying belt to remove other impurities such as dust or soil on the conveying belt.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyors, in particular to a telescopic belt conveyor. Background Art

[0002] Belt conveyors, also known as rubber belt conveyors, are widely used in electronics, tobacco, food and other industries, as well as in the assembly, testing, debugging, packaging and transportation of objects.

[0003] For example, the patent with patent number CN213111111U discloses a retractable belt conveyor, including a support frame, a frame is fixedly installed on the upper surface of the support frame, and a dust cover is movably installed on the surface of the frame; the dust cover slides in the slide groove and adjusts the position through a slider, and one dust cover can be connected to another dust cover through a first adsorption magnetic block and a second adsorption magnetic block, and the dust cover can cover the front end of the conveyor feeding to reduce the degree of powdery material diffusing into the air during feeding; however, the device has some shortcomings. In actual use, after the belt has been used for a period of time, dust, soil and other impurities will be covered on the surface. If the belt is not cleaned in time, it will contaminate the material during the transportation of powdery material, so it needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a retractable belt conveyor to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A retractable belt conveyor comprises a shell and a belt conveyor body, the conveyor body comprises a pulley arranged in the shell and a conveying belt sleeved on the pulley, the pulleys comprise a first pulley, a second pulley, a third pulley, a fourth pulley and a fifth pulley, movable grooves are arranged on the two side walls of the shell relative to each other, a movable movable block is arranged in the movable groove, a cleaning roller for cleaning the belt is arranged on the movable block, a limiting component for limiting the movable block is arranged on the shell, and a driving component for driving the second pulley to move and drive the conveying belt to retract and retract is arranged in the shell.

[0007] Furthermore, a mounting hole is provided in the movable groove, and the limiting assembly includes a cylinder arranged on the movable block, the cylinder is sleeved with a first spring with one end fixed in the mounting hole for pushing the movable block away from the belt, and the movable block is provided with a push rod for driving the movable block to approach the belt and with one end extending from the movable groove.

[0008] Furthermore, a telescopic slot is provided in the movable slot, a telescopic inclined block is provided in the telescopic slot, an inclined surface and a contact surface are provided on the inclined block, a second spring is provided in the telescopic slot for driving the inclined block to extend out of the telescopic slot, and a fixed block that can slide along the inclined surface is provided on the push rod, and the fixed block slides over the inclined surface and its side surface abuts against the contact surface to limit the movable block.

[0009] Furthermore, an arc groove connected to the corresponding telescopic groove is provided on the side wall of the shell, and a pressure rod that can extend from the arc groove is provided on the side wall of the inclined block. The pressure rod is used to drive the inclined block to retract into the telescopic groove to reset the moving block.

[0010] Furthermore, a push plate for driving the push rod to move is provided at the end of the push rod extending from the moving groove.

[0011] Furthermore, a rocker for driving the cleaning roller to rotate is provided on one of the two moving blocks.

[0012] Furthermore, an upper limit groove and a lower limit groove are relatively opened on the side walls of the shell, a slidable U-shaped slide bar is provided in the shell, the U-shaped slide bar includes a vertical beam, an upper extension block, and a lower extension block, the upper extension block extends into the corresponding upper limit groove, the lower extension block extends into the corresponding lower limit groove, the upper extension block is provided with a connecting rod for fixing the second pulley and located in the upper limit groove, the third pulley is arranged between the vertical beams, and the first pulley, the fourth pulley, and the fifth pulley are respectively arranged on the side walls of the shell.

[0013] Furthermore, a connecting plate is provided on the vertical beam, a mounting plate is provided in the shell, a cylinder for driving the U-shaped slide bar to slide is provided on the mounting plate, and an output end of the cylinder is connected to the connecting plate.

[0014] Furthermore, a dust collecting box is provided below the cleaning roller, and an openable and closable door panel is provided on the dust collecting box.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The retractable belt conveyor, through the arrangement of the mounting hole, the cylinder, the first spring, and the push rod, enables the push rod to drive the moving block to compress the first spring and move toward the cleaning roller. During the process of the moving block compressing the spring, the cylinder can extend into the mounting hole without affecting the moving block approaching the cleaning roller.

[0017] 2. The retractable belt conveyor is provided with a telescopic groove, an inclined block, an inclined surface, a contact surface, a second spring and a fixed block. When it is necessary to clean the conveyor belt, the push rod can be pushed, and the push rod drives the fixed block and the movable block to move. The fixed block contacts the inclined surface and squeezes the inclined block. With the continuous pushing of the push rod, the inclined block compresses the second spring and gradually retracts into the telescopic groove. When the inclined block is completely retracted into the telescopic groove, the cleaning roller contacts the conveyor belt, and the fixed block completely slides over the inclined surface, and the squeezing of the inclined block by the fixed block ends. The inclined block is pushed out of the telescopic groove by the second spring, and the first spring pushes the movable block, driving the fixed block on the push rod to contact the contact surface, thereby limiting the movable block so that the cleaning roller is always in contact with the conveyor belt, and the conveyor belt can be cleaned by the cleaning roller.

[0018] 3. The retractable belt conveyor is provided with an arc groove and a pressure rod. When the cleaning roller finishes cleaning the conveyor belt, the pressure rod is pushed downward, and the pressure rod drives the inclined block to retract into the telescopic groove. The limit of the inclined block on the fixed block is released. Under the push of the first spring, the cleaning roller is reset away from the conveyor belt to avoid affecting the transportation of goods by the conveyor belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a retractable belt conveyor in the utility model.

[0020] Figure 2 It is a cross-sectional view of a retractable belt conveyor in the utility model.

[0021] Figure 3 For the utility model Figure 1 A magnified schematic diagram.

[0022] Figure 4 It is a cross-sectional view of the telescopic slot in the utility model.

[0023] Figure 5 It is a structural schematic diagram of the cleaning roller in the utility model.

[0024] The meanings of the numbers in the figure are as follows: 1. shell; 2. conveyor belt; 3. first pulley; 4. second pulley; 5. third pulley; 6. fourth pulley; 7. fifth pulley; 8. movable groove; 9. movable block; 10. cleaning roller; 100. cylinder; 101. first spring; 102. push rod; 200. telescopic groove; 201. inclined block; 202. inclined surface; 203. contact surface; 204. second spring; 205. fixed block; 206. arc groove; 207. pressure rod; 208. push plate; 11. rocker; 300. upper limit groove; 301. lower limit groove; 302. vertical beam; 303. connecting rod; 304. connecting plate; 305. mounting plate; 306. cylinder; 12. dust box; 13. door panel. DETAILED DESCRIPTION

[0025] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.

[0026] The following is combined with Figure 1-Figure 5 This embodiment is described in further detail.

[0027] See also Figure 1-Figure 5 In this embodiment, a retractable belt conveyor includes a shell 1 and a belt conveyor body. The conveyor body includes a pulley arranged in the shell 1 and a conveying belt 2 sleeved on the pulley. The pulleys include a first pulley 3, a second pulley 4, a third pulley 5, a fourth pulley 6 and a fifth pulley 7. Moving grooves 8 are relatively provided on the two side walls of the shell 1. A movable moving block 9 is provided in the moving groove 8. A cleaning roller 10 for cleaning the belt is provided on the moving block 9. A limiting component for limiting the moving block 9 is provided on the shell 1. A driving component for driving the second pulley 4 to move and drive the conveying belt 2 to retract is provided in the shell 1.

[0028] In this embodiment, through the arrangement of the housing 1, the second pulley 4, the conveyor belt 2 and the driving assembly, the driving assembly can drive the conveyor belt 2 to complete extension and retraction by driving the movement of the second pulley 4.

[0029] In this embodiment, by setting the movable groove 8, the movable block 9, the cleaning roller 10 and the limiting component, the two ends of the cleaning roller 10 are respectively connected to the corresponding movable blocks 9 for rotation, and the movable block 9 can slide in the movable groove 8. The limiting component can limit the cleaning roller 10 from being away from or contacting the conveyor belt 2. When the conveyor belt 2 transports goods, the cleaning roller 10 is kept away from the conveyor belt 2 to avoid the friction between the cleaning roller 10 and the conveyor belt 2 affecting the transport of goods by the conveyor belt 2. After the conveyor belt 2 has been used for a period of time and is covered with dust, dirt or other impurities on the surface, the cleaning roller 10 can be driven to approach and contact the conveyor belt 2 by the movement of the movable block 9. The cleaning roller 10 is fixed by the limiting component so that the cleaning roller 10 cleans the conveyor belt 2 to remove dust, dirt and other impurities on the conveyor belt 2.

[0030] See also Figure 1-Figure 5 In this embodiment, a mounting hole is opened in the movable groove 8, and the limiting assembly includes a cylinder 100 arranged on the movable block 9. The cylinder 100 is sleeved with a first spring 101 with one end fixed in the mounting hole for pushing the movable block 9 away from the belt. The movable block 9 is provided with a push rod 102 for driving the movable block 9 to approach the belt and with one end extending from the movable groove 8.

[0031] In this embodiment, through the arrangement of the mounting hole, the cylinder 100, the first spring 101, and the push rod 102, the cylinder 100 is fixedly connected to the moving block 9, and the push rod 102 is fixedly connected to the moving block 9. By pushing the push rod 102, the moving block 9 can be driven to compress the first spring 101 and move toward the cleaning roller 10. During the process of compressing the spring, the cylinder 100 can extend into the mounting hole without affecting the moving block 9 approaching the cleaning roller 10.

[0032] See also Figure 1-Figure 5 In this embodiment, a telescopic groove 200 is provided in the movable groove 8, a telescopic inclined block 201 is provided in the telescopic groove 200, an inclined surface 202 and a contact surface 203 are provided on the inclined block 201, a second spring 204 for driving the inclined block 201 to extend out of the telescopic groove 200 is provided in the telescopic groove 200, and a fixed block 205 that can slide along the inclined surface 202 is provided on the push rod 102. The fixed block 205 slides over the inclined surface 202 and its side surface abuts against the contact surface 203 to limit the movable block 9.

[0033] In this embodiment, by setting the telescopic groove 200, the inclined block 201, the inclined surface 202, the contact surface 203, the second spring 204 and the fixed block 205, the inclined block 201 is slidably connected to the telescopic groove 200, the fixed block 205 is fixedly connected to the push rod 102, and the fixed block 205 is slidably connected to the movable groove 8. When it is necessary to clean the conveyor belt 2, the push rod 102 can be pushed, and the push rod 102 drives the fixed block 205 and the movable block 9 to move. The fixed block 205 contacts the inclined surface 202 and squeezes the inclined block 201. As the push rod 102 continues to push, the inclined block 201 compresses the second spring 204 and gradually Retracted into the telescopic slot 200, when the inclined block 201 is completely retracted into the telescopic slot 200, at this time, the cleaning roller 10 is in contact with the conveyor belt 2, and the fixed block 205 completely slides over the inclined surface 202, and the fixed block 205 ends the squeezing of the inclined block 201. The inclined block 201 is pushed out of the telescopic slot 200 by the second spring 204. At the same time, the first spring 101 pushes the moving block 9, driving the fixed block 205 on the push rod 102 to abut against the contact surface 203, thereby limiting the moving block 9 so that the cleaning roller 10 is always in contact with the conveyor belt 2, and the conveyor belt 2 can be cleaned by the cleaning roller 10.

[0034] See also Figure 1-Figure 5 In this embodiment, an arc groove 206 connected to the corresponding telescopic groove 200 is provided on the side wall of the shell 1, and a pressure rod 207 that can extend from the arc groove 206 is provided on the side wall of the inclined block 201. The pressure rod 207 is used to drive the inclined block 201 to retract into the telescopic groove 200 to reset the moving block 9.

[0035] In this embodiment, the arc groove 206 and the pressure rod 207 are set so that the pressure rod 207 is fixedly connected to the inclined block 201. When the cleaning roller 10 finishes cleaning the conveyor belt 2, the pressure rod 207 is pushed downward, and the pressure rod 207 drives the inclined block 201 to retract into the telescopic groove 200. The limit of the inclined block 201 on the fixed block 205 is released. Under the push of the first spring 101, the cleaning roller 10 is reset away from the conveyor belt 2 to avoid affecting the transportation of goods by the conveyor belt 2.

[0036] See also Figure 1-Figure 5 In this embodiment, a push plate 208 for driving the push rod 102 to move is provided at the end of the push rod 102 extending from the moving groove 8.

[0037] In this embodiment, by disposing the pushing plate 208 , the pushing plate 208 can push the push rod 102 to move, which is convenient for the operator to operate.

[0038] See also Figure 1-Figure 5 In this embodiment, a rocker 11 for driving the cleaning roller 10 to rotate is provided on one of the two moving blocks 9.

[0039] In this embodiment, by setting the rocker 11 , rotating the rocker 11 can rotate the cleaning roller 10 , thereby better cleaning the conveyor belt 2 .

[0040] See also Figure 1-Figure 5 In this embodiment, an upper limit groove 300 and a lower limit groove 301 are relatively opened on the side walls of the shell 1, and a slidable U-shaped slide bar is provided in the shell 1. The U-shaped slide bar includes a vertical beam 302, an upper extension block, and a lower extension block. The upper extension block extends into the corresponding upper limit groove 300, and the lower extension block extends into the corresponding lower limit groove 301. The upper extension block is provided with a connecting rod 303 for fixing the second pulley 4 and located in the upper limit groove 300. The third pulley is arranged between the vertical beams 302, and the first pulley 3, the fourth pulley 6, and the fifth pulley 7 are respectively arranged on the side walls of the shell 1.

[0041] In this embodiment, by setting the upper limit groove 300, the lower limit groove 301, the vertical beam 302, the upper extension block, the lower extension block, the connecting rod 303, the third pulley 5, the first pulley 3, the fourth pulley 6 and the fifth pulley 7, the upper extension block is slidably connected to the upper limit groove 300, the lower extension block is slidably connected to the lower limit groove 301, the connecting rod 303 is fixedly connected to the upper extension block, the upper end of the vertical beam 302 is fixedly connected to the upper extension block, and the lower end is fixedly connected to the lower extension block, the connecting rod 303 is driven to move by the sliding of the upper extension block and the lower extension block, the connecting rod 303 drives the second pulley 4 connected thereto to move, and at the same time drives the vertical beam 302 to move synchronously, and then drives the third pulley 5 located between the vertical beams 302 to move synchronously with the second pulley 4, the first pulley 3, the fourth pulley 6 and the fifth pulley 7 tighten the conveyor belt 2, so that the conveyor belt 2 can be retracted.

[0042] See also Figure 1-Figure 5 In this embodiment, a connecting plate 304 is provided on the vertical beam 302 , a mounting plate 305 is provided in the shell 1 , a cylinder 306 for driving the U-shaped slide bar to slide is provided on the mounting plate 305 , and an output end of the cylinder 306 is connected to the connecting plate 304 .

[0043] In this embodiment, by setting the connecting plate 304, the mounting plate 305 and the cylinder 306, the two ends of the connecting plate 304 are extended and fixedly connected to the vertical beam 302, the mounting plate 305 is fixedly connected to the side wall of the shell 1, and the cylinder 306 is fixed to the mounting plate 305. The connecting plate 304 is pushed to move by the cylinder 306, which drives the second pulley 4 to move and enables the conveyor belt 2 to retract and retract.

[0044] See also Figure 1-Figure 5 In this embodiment, a dust box 12 is provided below the cleaning roller 10, and an openable and closable door panel 13 is provided on the dust box 12.

[0045] In this embodiment, by setting the dust box 12 and the door panel 13, when the cleaning roller 10 cleans the conveyor belt 2, dust, dirt and other impurities falling from the conveyor belt 2 can fall into the dust box 12 to avoid pollution to the working environment. After cleaning, the opening and closing door can be opened to clean the impurities in the dust box 12.

[0046] Working principle: When the telescopic belt conveyor is used, when the conveyor belt 2 needs to be cleaned, the push rod 102 can be pushed, and the push rod 102 drives the fixed block 205 and the moving block 9 to move, and the fixed block 205 contacts the inclined surface 202 and squeezes the inclined block 201. As the push rod 102 continues to push, the inclined block 201 compresses the second spring 204 and gradually retracts into the telescopic groove 200. When the inclined block 201 is completely retracted into the telescopic groove 200, at this time, the cleaning roller 10 contacts the conveyor belt 2, and the fixed block 205 is moved. 205 completely slides over the inclined surface 202, and the fixed block 205 ends its squeezing of the inclined block 201. The inclined block 201 is pushed out of the telescopic slot 200 by the second spring 204. At the same time, the first spring 101 pushes the moving block 9, driving the fixed block 205 on the push rod 102 to abut against the contact surface 203, thereby limiting the moving block 9 so that the cleaning roller 10 is always in contact with the conveyor belt 2. At this time, the conveyor belt 2 can be rotated, and the rocker 11 is rotated to drive the cleaning roller 10 to rotate, so as to clean the conveyor belt 2.

[0047] In short, the above is only a preferred embodiment of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model should fall within the scope of the present utility model patent.

Claims

1. A retractable belt conveyor, comprising a housing (1) and a belt conveyor body, characterized in that: The conveyor body comprises a pulley arranged in a shell (1) and a conveying belt (2) sleeved on the pulley, the pulley comprising a first pulley (3), a second pulley (4), a third pulley (5), a fourth pulley (6) and a fifth pulley (7), movable grooves (8) are arranged on two side walls of the shell (1) opposite to each other, a movable moving block (9) is arranged in the moving groove (8), a cleaning roller (10) for cleaning the belt is arranged on the moving block (9), a limiting component for limiting the moving block (9) is arranged on the shell (1), and a driving component for driving the second pulley (4) to move and drive the conveying belt (2) to extend and retract is arranged in the shell (1).

2. A retractable belt conveyor according to claim 1, characterized in that: The movable groove (8) is provided with a mounting hole, and the limiting assembly comprises a cylinder (100) arranged on the movable block (9), the cylinder (100) is sleeved with a first spring (101) with one end fixed in the mounting hole and used for pushing the movable block (9) away from the belt, and the movable block (9) is provided with a push rod (102) with one end extending out of the movable groove (8) and used for driving the movable block (9) to approach the belt.

3. A retractable belt conveyor according to claim 2, characterized in that: The movable groove (8) is provided with a telescopic groove (200), the telescopic groove (200) is provided with a telescopic inclined block (201), the inclined block (201) is provided with an inclined surface (202) and a contact surface (203), the telescopic groove (200) is provided with a second spring (204) for driving the inclined block (201) to extend out of the telescopic groove (200), the push rod (102) is provided with a fixed block (205) capable of sliding along the inclined surface (202), the fixed block (205) slides over the inclined surface (202) and when its side surface abuts against the contact surface (203), is used to limit the movable block (9).

4. A retractable belt conveyor according to claim 3, characterized in that: An arc-shaped groove (206) in communication with the corresponding telescopic groove (200) is provided on the side wall of the housing (1), and a pressure rod (207) that can extend from the arc-shaped groove (206) is provided on the side wall of the inclined block (201). The pressure rod (207) is used to drive the inclined block (201) to retract into the telescopic groove (200) so as to reset the moving block (9).

5. The retractable belt conveyor according to claim 2, characterized in that: A push plate (208) for driving the push rod (102) to move is provided at the end of the push rod (102) extending from the moving groove (8).

6. The retractable belt conveyor according to claim 1, characterized in that: One of the two moving blocks (9) is provided with a rocker (11) for driving the cleaning roller (10) to rotate.

7. The retractable belt conveyor according to claim 1, characterized in that: An upper limit groove (300) and a lower limit groove (301) are provided on the side walls of the housing (1) in opposite directions. A slidable U-shaped slide bar is provided in the housing (1). The U-shaped slide bar comprises a vertical beam (302), an upper extension block, and a lower extension block. The upper extension block extends into the corresponding upper limit groove (300), and the lower extension block extends into the corresponding lower limit groove (301). The upper extension block is provided with a connecting rod (303) for fixing the second belt pulley (4) and located in the upper limit groove (300). The third belt pulley (5) is provided between the vertical beams (302). The first belt pulley (3), the fourth belt pulley (6), and the fifth belt pulley (7) are respectively provided on the side walls of the housing (1).

8. A retractable belt conveyor according to claim 7, characterized in that: A connecting plate (304) is provided on the vertical beam (302), a mounting plate (305) is provided in the housing (1), a cylinder (306) for driving the U-shaped sliding rod to slide is provided on the mounting plate (305), and an output end of the cylinder (306) is connected to the connecting plate (304).

9. The retractable belt conveyor according to claim 1, characterized in that: A dust collecting box (12) is provided below the cleaning roller (10), and an openable and closable door panel (13) is provided on the dust collecting box (12).

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