Conveying chain with tensioning structure

Abstract

The conveying chain with the tensioning structure comprises a chain and chain wheels arranged on the inner sides of the two ends of the chain, the inner side of the lower end of the chain is meshed with a tensioning wheel, the tensioning wheel is provided with an adjusting mechanism, the adjusting mechanism comprises an installation base arranged on one side of the tensioning wheel, and the installation base is provided with a tensioning wheel. An adjusting groove is formed in one side of the mounting base, an adjusting block is slidably connected to the inner side of the adjusting groove, the tensioning wheel is rotationally connected with one side of the adjusting block, and a threaded cylinder is rotationally connected to one end of the mounting base. According to the conveying chain with the tensioning structure, the position of the tensioning wheel can be adjusted through mutual cooperation of the arranged installation base, the adjusting groove, the adjusting block, the threaded barrel, the adjusting screw rod and the nut, then the tensioning degree of the chain can be adjusted, different requirements can be met, practicability is improved, operation is convenient, and the structure is simple.

Description

Technical Field

[0001] The utility model relates to the field of chains, in particular to a conveying chain with a tensioning structure. Background Art

[0002] Chains are generally metal links or rings, mostly used for mechanical transmission and traction. Chain-shaped objects used to block traffic passages, chains used for mechanical transmission. Chains include four major series: transmission chains, conveyor chains, traction chains, and special professional chains; among them, conveyor chains and transmission chains are very common in production and life, and are generally used with sprockets to transport goods and transmit power. In order to prevent the chain from loosening, a tensioning wheel is generally provided for tensioning. However, the tensioning wheel in the prior art is generally not easy to adjust after installation, and the tensioning force cannot be conveniently adjusted according to the tensioning requirements. In addition, the chain is generally in rigid contact with the sprocket and the tensioning wheel during operation, and has no buffering effect, which makes it easy for the chain to break.

[0003] Therefore, it is necessary to propose a conveyor chain with a tensioning structure to solve the above problems. Utility Model Content

[0004] The main purpose of the utility model is to provide a conveyor chain with a tensioning structure, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The cam is an axially coupled machine which is adapted to engage the guide wheel of the chain and to engage with the guide wheel on one side of the chain to allow the guide wheel to move forward and to engage with the guide wheel on the other side of the chain.

[0007] Preferably, one end of the adjustment block away from the adjustment screw is fixedly connected to a guide cylinder, one end of the adjustment groove inner cavity away from the threaded cylinder is fixedly connected to a guide rod corresponding to the guide cylinder, and one end of the guide cylinder away from the adjustment block is movably guided and connected to the inner side of the guide rod.

[0008] Preferably, guide grooves are symmetrically arranged on the left and right sides of the mounting seat, and guide blocks slidably matched with the guide grooves are symmetrically fixedly connected to the left and right sides of the adjustment block.

[0009] Preferably, the guide block is provided with a resistance mechanism, and the resistance mechanism includes an installation cavity arranged on the side of the guide block, and resistance blocks are symmetrically and movably connected at both ends of the inner cavity of the installation cavity, and a driving block is movably arranged in the middle of the inner side of the installation cavity, and the outer thread of the guide block is engaged with a bolt, and one end of the bolt extends to the inner side of the installation cavity and is rotatably connected to one side of the driving block, and sliding rods are symmetrically arranged on the opposite sides of the two resistance blocks, and the two sliding rods are respectively engaged with the sliding guides at both ends of the driving block.

[0010] Preferably, the opposite sides of the two abutment blocks cooperate with the inclined surfaces on both sides of the driving block;

[0011] The outer side of the abutment block is provided with an anti-skid rubber pad, and the outer side of the abutment block abuts against the inner wall of the guide groove.

[0012] Preferably, the tensioning wheel is connected to the adjusting block through a buffer mechanism, and the buffer mechanism includes a movable groove arranged on one side of the adjusting block, the inner side of the movable groove is slidably connected with a mounting block, the tensioning wheel is rotatably connected to one side of the mounting block, and damping rods are symmetrically arranged at the upper and lower ends of the mounting block, and one end of the damping rod away from the mounting block is fixedly connected to the inner wall of the movable groove, and a spring is sleeved on the outer side of the damping rod.

[0013] Preferably, a guide column is provided on the inner side of the movable groove, and the mounting block is movably guided and cooperated with the guide column.

[0014] Preferably, a fixing plate is fixedly connected to the end of the mounting seat.

[0015] Beneficial Effects

[0016] Compared with the prior art, the utility model provides a conveyor chain with a tensioning structure, which has the following beneficial effects:

[0017] 1. The conveyor chain with a tensioning structure can adjust the position of the tensioning wheel through the cooperation of the mounting seat, adjustment groove, adjustment block, threaded barrel, adjustment screw and nut, and then adjust the chain tension, which can meet different needs, increase practicality, facilitate operation and have a simple structure. The setting of the guide barrel, guide rod, guide groove and guide block is convenient for increasing the stability of the adjustment block to ensure that it remains stable.

[0018] 2. The conveyor chain with a tensioning structure can achieve the stability of the guide block through the mutual cooperation of the provided bolts, the resistance blocks, the slide rods and the driving blocks. When in use, the stress on the adjusting screw and the threaded barrel can be reduced, thereby increasing the service life of the adjusting screw and the threaded barrel.

[0019] 3. The conveyor chain with a tensioning structure can buffer the tensioning wheel during use through the cooperation of the movable groove, the mounting block, the damping rod and the spring, so that it can move appropriately, avoiding the breakage caused by the rigid connection of the chain, and the guide column can increase the stability of the mounting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the mounting seat of the utility model;

[0022] Figure 3 It is a schematic diagram of the overall structure of the adjusting block, adjusting screw and threaded barrel of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the utility model in which the installation block and the adjustment block are separated;

[0024] Figure 5 It is a schematic diagram of the top cross-sectional structure of the guide block of the utility model.

[0025] In the figure: 1. chain; 2. sprocket; 3. tensioner; 4. mounting seat; 5. fixing plate; 6. adjusting groove; 7. adjusting block; 8. mounting block; 9. guide cylinder; 10. guide rod; 11. guide groove; 12. guide block; 13. adjusting screw; 14. threaded cylinder; 15. nut; 16. bolt; 17. movable groove; 18. guide column; 19. spring; 20. damping rod; 21. resistance block; 22. mounting cavity; 23. drive block; 24. slide rod. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1-5 As shown, a conveyor chain with a tensioning structure comprises a chain 1 and a sprocket 2 arranged on the inner side of both ends of the chain 1, a tensioning wheel 3 is meshed on the inner side of the lower end of the chain 1, and an adjusting mechanism is arranged on the tensioning wheel 3, and the adjusting mechanism comprises a mounting seat 4 arranged on one side of the tensioning wheel 3, an adjusting groove 6 is arranged on one side of the mounting seat 4, an adjusting block 7 is slidably connected to the inner side of the adjusting groove 6, the tensioning wheel 3 is rotatably connected to one side of the adjusting block 7, one end of the mounting seat 4 is rotatably connected to a threaded barrel 14, an end of the adjusting block 7 close to the threaded barrel 14 is fixedly connected to an adjusting screw 13, an end of the adjusting screw 13 away from the adjusting block 7 is matched with the inner thread of the threaded barrel 14, and an end of the threaded barrel 14 away from the adjusting screw 13 extends to the outside of the mounting seat 4 and is fixedly connected to a nut 15.

[0028] In order to increase the stability of the adjusting block 7, a guide cylinder 9 is fixedly connected to the end of the adjusting block 7 away from the adjusting screw 13, and a guide rod 10 corresponding to the guide cylinder 9 is fixedly connected to the end of the inner cavity of the adjusting groove 6 away from the threaded cylinder 14, and the end of the guide cylinder 9 away from the adjusting block 7 is movably guided and connected to the inner side of the guide rod 10, and guide grooves 11 are symmetrically arranged on the left and right sides of the mounting seat 4, and guide blocks 12 that cooperate with the guide grooves 11 for sliding guidance are symmetrically fixedly connected to the left and right sides of the adjusting block 7.

[0029] Furthermore, in order to reduce the force on the adjusting screw 13 and the threaded barrel 14 during use, a resistance mechanism is provided on the guide block 12, and the resistance mechanism includes an installation cavity 22 arranged on the side of the guide block 12, and resistance blocks 21 are symmetrically and movably connected at both ends of the inner cavity of the installation cavity 22, and an anti-slip rubber pad is provided on the outer side of the resistance block 21, and the outer side of the resistance block 21 is in resistance with the inner wall of the guide groove 11, and the opposite sides of the two resistance blocks 21 are matched with the inclined surfaces on both sides of the driving block 23, and the driving block 23 is movably provided in the middle part of the inner side of the installation cavity 22, and the outer thread of the guide block 12 is matched with a bolt 16, and one end of the bolt 16 extends to the inner side of the installation cavity 22 and is rotatably connected with one side of the driving block 23, and the opposite sides of the two resistance blocks 21 are symmetrically provided with sliding rods 24, and the two sliding rods 24 are respectively matched with the sliding guides at both ends of the driving block 23.

[0030] Furthermore, the tensioning wheel 3 is connected to the adjusting block 7 through a buffer mechanism, and the buffer mechanism includes a movable groove 17 arranged on one side of the adjusting block 7, the inner side of the movable groove 17 is slidably connected with the mounting block 8, the tensioning wheel 3 is rotationally connected to one side of the mounting block 8, and the damping rods 20 are symmetrically arranged at the upper and lower ends of the mounting block 8, and the end of the damping rod 20 away from the mounting block 8 is fixedly connected to the inner wall of the movable groove 17, and the outer side of the damping rod 20 is sleeved with a spring 19.

[0031] Furthermore, in order to increase the stability of the mounting block 8 , a guide column 18 is provided on the inner side of the movable groove 17 , and the mounting block 8 and the guide column 18 are movably guided and cooperated.

[0032] In order to facilitate the installation of the mounting seat 4, a fixing plate 5 is fixedly connected to the end of the mounting seat 4, and the fixing plate 5 can be installed by means of bolts and other structures.

[0033] It should be noted that the utility model is a conveyor chain with a tensioning structure. When the tensioning degree of the tensioning wheel 3 on the chain 1 needs to be adjusted during use, the bolts 16 on both sides are first screwed by a tool, and the bolts 16 drive the driving block 23 to move, and the driving block 23 drives the interference block 21 to move through the slide rod 24, and the interference block 21 is separated from the inner wall of the guide groove 11 to release the interference, and then the nut 15 is screwed by a tool, and then the nut 15 drives the threaded barrel 14 to rotate, and the threaded barrel 14 drives the adjustment block 7 to move through the adjustment screw 13, and then the adjustment block 7 drives the tensioning wheel 3 to move. , thereby changing the tensioning degree of the tensioning wheel 3 on the chain 1, and then the bolt 16 is screwed in the reverse direction to drive the driving block 23 to move inward, and the driving block 23 drives the abutting block 21 to move outward through the sliding rod 24 to abut against the inner wall of the guide groove 11, thereby increasing the stability between the guide block 12 and the guide groove 11, and reducing the force on the adjusting screw 13 and the threaded cylinder 14 in the use state. In addition, when the tensioning wheel 3 is used, it will drive the mounting block 8 to move appropriately on the inner side of the movable groove 17, and then the spring 19 and the damping rod 20 will be deformed for buffering, which can avoid the possibility of the chain 1 breaking.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A conveyor chain with a tensioning structure, comprising a chain (1) and sprockets (2) arranged on the inner sides of both ends of the chain (1), characterized in that: A tensioning wheel (3) is meshed with the inner side of the lower end of the chain (1), and an adjustment mechanism is arranged on the tensioning wheel (3), the adjustment mechanism comprising a mounting seat (4) arranged on one side of the tensioning wheel (3), an adjustment groove (6) is arranged on one side of the mounting seat (4), an adjustment block (7) is slidably connected to the inner side of the adjustment groove (6), the tensioning wheel (3) is rotatably connected to one side of the adjustment block (7), one end of the mounting seat (4) is rotatably connected to a threaded barrel (14), one end of the adjustment block (7) close to the threaded barrel (14) is fixedly connected to an adjustment screw (13), one end of the adjustment screw (13) away from the adjustment block (7) is matched with the inner thread of the threaded barrel (14), and one end of the threaded barrel (14) away from the adjustment screw (13) extends to the outside of the mounting seat (4) and is fixedly connected to a nut (15).

2. A conveyor chain with a tensioning structure according to claim 1, characterized in that: The end of the adjusting block (7) away from the adjusting screw (13) is fixedly connected to a guide cylinder (9), the end of the inner cavity of the adjusting groove (6) away from the threaded cylinder (14) is fixedly connected to a guide rod (10) corresponding to the guide cylinder (9), and the end of the guide cylinder (9) away from the adjusting block (7) is movably guided and connected to the inner side of the guide rod (10).

3. A conveyor chain with a tensioning structure according to claim 2, characterized in that: The left and right sides of the mounting seat (4) are symmetrically provided with guide grooves (11), and the left and right sides of the adjustment block (7) are symmetrically fixedly connected with guide blocks (12) that are slidably guided and matched with the guide grooves (11).

4. A conveyor chain with a tensioning structure according to claim 3, characterized in that: The guide block (12) is provided with a resistance mechanism, and the resistance mechanism comprises a mounting cavity (22) arranged on the side of the guide block (12), and resistance blocks (21) are symmetrically and movably connected at both ends of the inner cavity of the mounting cavity (22), and a driving block (23) is movably arranged in the middle of the inner side of the mounting cavity (22), and the outer thread of the guide block (12) is matched with a bolt (16), and one end of the bolt (16) extends to the inner side of the mounting cavity (22) and is rotatably connected to one side of the driving block (23), and sliding rods (24) are symmetrically arranged on the opposite side of the two resistance blocks (21), and the two sliding rods (24) are respectively matched with the sliding guides at the two ends of the driving block (23).

5. The conveyor chain with a tensioning structure according to claim 4, characterized in that: The opposite sides of the two abutment blocks (21) are matched with the inclined surfaces on both sides of the driving block (23); An anti-slip rubber pad is arranged on the outer side of the resistance block (21), and the outer side of the resistance block (21) is in resistance cooperation with the inner wall of the guide groove (11).

6. The conveyor chain with a tensioning structure according to claim 5, characterized in that: The tensioning wheel (3) is connected to the adjusting block (7) via a buffer mechanism, the buffer mechanism comprising a movable groove (17) arranged on one side of the adjusting block (7), the inner side of the movable groove (17) being slidably connected to a mounting block (8), the tensioning wheel (3) being rotationally connected to one side of the mounting block (8), the upper and lower ends of the mounting block (8) being symmetrically provided with damping rods (20), and one end of the damping rod (20) away from the mounting block (8) being fixedly connected to the inner wall of the movable groove (17), and the outer side of the damping rod (20) being sleeved with a spring (19).

7. The conveyor chain with a tensioning structure according to claim 6, characterized in that: A guide column (18) is provided inside the movable groove (17), and the mounting block (8) is movably guided and matched with the guide column (18).

8. The conveyor chain with a tensioning structure according to claim 7, characterized in that: A fixing plate (5) is fixedly connected to the end of the mounting seat (4).

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