Adjustable conveyor carrier roller

Abstract

The invention provides an adjustable conveyor carrier roller which comprises a base, an adjusting mechanism is arranged at the top of the base and comprises a fixing plate and a two-way screw rod, and two first supporting frames are installed at the two ends of the two-way screw rod in a screwed mode through screw holes; and a first rotating roller is rotationally mounted on one side of the first supporting frame on the right side in a limiting mode through a rotating rod, and an adjusting shaft rod is slidably mounted in one end of the first rotating roller in a limiting mode. The first supporting frames on the two sides are adjusted through the adjusting mechanism, the first supporting frames drive the adjusting roller and the second rotating roller to move towards the two sides, the width of the conveyor carrier roller can be adjusted, driving mechanisms such as a servo motor, a first gear and a second gear are arranged, the first rotating roller, the adjusting roller and the second adjusting roller can be rotated, and the conveying efficiency is improved. The friction resistance with the conveying belt can be reduced, abrasion of the conveying belt is reduced, and operation of the conveying belt is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of conveyor rollers, in particular to an adjustable conveyor roller. Background Art

[0002] Rollers are an important part of belt conveyors. They can support the conveyor belt and materials. The length of rollers is fixed and has certain limitations.

[0003] The Chinese utility model patent with publication number CN214398475U proposes a conveyor roller, including a rotating shaft, three conveying cylinders are installed on the rotating shaft, limit seats are installed at both ends of the rotating shaft, two guide seats are symmetrically installed on the left and right sides of the middle conveying cylinder, springs are provided between the guide seat and the conveying cylinder located on the outside and between the conveying cylinder located on the outside and the limit seat, the guide seat includes a horizontal sliding part sleeved on the rotating shaft and an inclined guide part located below the horizontal sliding part, an adjustment plate is installed on the inclined guide part, and two eight-shaped inclined grooves are provided on the adjustment plate, the inclined guide parts of the two guide seats pass through the two inclined grooves respectively, and the two ends of the adjustment plate are connected to the limit seats by bolts.

[0004] The above scheme can adjust the guide seat laterally through the bolts and the adjustment plate, so that the horizontal sliding part of the guide seat moves to both sides, and compresses the spring through the conveying cylinder, so as to adjust the width of the roller. However, since a spring is arranged on one side of the conveying cylinder, there is an elastic force between the spring and the conveying cylinder to restore the original state after the spring is compressed and squeeze the conveying cylinder, so that the conveying cylinder is subjected to greater resistance and its rotation is restricted, thereby causing the conveyor belt to wear faster and increasing the running resistance and power consumption.

[0005] To this end, the present invention provides an adjustable conveyor roller. Summary of the invention

[0006] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an adjustable conveyor roller to solve the problems raised in the above-mentioned background technology. The present invention adjusts the first support frames on both sides through an adjusting mechanism, and the first support frames drive the adjusting roller and the second rotating roller to move to both sides, so as to adjust the width of the conveyor roller, and is provided with a servo motor, a first gear, a second gear and other driving mechanisms, which can rotate the first rotating roller, the adjusting roller and the second adjusting roller, and can reduce the friction resistance between the conveyor belt, reduce the wear of the conveyor belt, and facilitate the operation of the conveyor belt.

[0007] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: an adjustable conveyor roller, including a base, an adjusting mechanism is arranged on the top of the base, the adjusting mechanism includes a fixing plate and a bidirectional screw, two first support frames are screwed and installed at both ends of the bidirectional screw through screw holes, a first rotating roller is installed on one side of the first support frame on the right side through a rotating rod to limit rotation, an adjusting shaft rod is installed on the inner limit sliding of one end of the first rotating roller, and the outer end of the adjusting shaft rod is installed on the inner part of the first support frame on the left side to limit rotation, a driving mechanism is arranged between the first support frame on the left side and the adjusting shaft rod, a second support frame is arranged on one side of the bottom end of the two first support frames through the installation mechanism, the shape of the second support frame is "L"-shaped, the second support frame includes an adjusting rod and an L-shaped rod, and a second rotating roller is arranged between the adjusting rod and the two first support frames.

[0008] Furthermore, the two first support frames are both in an "F" shape, the driving mechanism includes a servo motor, a mounting groove is provided on the side wall at the top end of the first support frame on the left side, and the servo motor is fixedly installed inside the mounting groove.

[0009] Furthermore, a first gear is fixedly mounted on the output shaft of the servo motor, and a second gear is fixedly mounted above one end of the adjustment shaft corresponding to the first gear, and the first gear and the second gear are meshed with each other and arranged in parallel.

[0010] Furthermore, one end of the adjusting shaft is in a square shape, and an adjusting roller is fixedly mounted on one side of the adjusting shaft corresponding to the second gear, and the adjusting roller is arranged inside the top end of the left first support frame.

[0011] Furthermore, the rotating rod is limitedly rotatably mounted inside the top end of the first support frame on the right side, and an adjusting roller is fixedly arranged inside one end of the rotating rod corresponding to the first support frame on the right side.

[0012] Furthermore, a fixed shaft is fixedly provided at one end of the second rotating roller, and two ends of the cross coupling are fixedly connected to the rotating rod and the adjusting shaft respectively, and the number of the cross coupling is two.

[0013] Furthermore, a rotating shaft is installed at the other end of the second rotating roller for limited rotation, and a limited shaft is movably installed at one end of the rotating shaft through a second coupling, and the limited shaft is installed inside the top end of the adjusting rod for limited rotation.

[0014] Furthermore, the installation mechanism includes an inner cavity, the top of the inner cavity is equidistantly provided with pin holes, the bottom end of the L-shaped rod is internally provided with a pin hole, the bottom end of the L-shaped rod is slidably installed inside the inner cavity, and a pin is inserted inside the pin hole.

[0015] Furthermore, the bottom end of the adjusting rod is limitedly installed inside the top end of the L-shaped rod, a spring is fixedly installed at the bottom end of the adjusting rod, the spring is fixedly installed inside the L-shaped rod, and a tightening knob is screwed on the side wall of the L-shaped rod through a screw hole.

[0016] Furthermore, the fixed plates are symmetrically fixed on both sides of the top of the base, the bidirectional screw is limited and rotatably installed inside the fixed plates on both sides, a handle is fixedly installed at the middle position of the bidirectional screw, and sliders are fixedly installed at the bottom ends of the two first support frames. Limiting grooves are opened at the positions of the sliders on both sides of the top of the base, and the sliders are limited and slidably installed inside the limiting grooves, and mounting holes are symmetrically opened inside the two ends of the base.

[0017] Beneficial effects of the present invention: An adjustable conveyor roller of the present invention comprises a base, a fixed plate, an adjustment mechanism, a first support frame, a first rotating roller, a driving mechanism, an adjusting roller, a cross coupling, a second rotating roller, a second coupling, a limiting shaft, an L-shaped rod, an adjusting rod, a fastening knob, a mounting hole, a pin, a pin hole, a bidirectional screw, a handle, an inner cavity, a limiting slide groove, a spring, an adjusting shaft, a servo motor, a first gear, a second gear, a rotating shaft, and a fixed shaft.

[0018] 1. The adjustable conveyor roller can move the two first support frames to both sides through adjusting mechanisms such as a handle, a bidirectional screw and a fixed plate, and the two first support frames respectively drive the adjusting shaft rod and the rotating rod to move to both sides, and one end of the adjusting shaft rod can slide within the first rotating roller within the limit, and at the same time, the adjusting shaft rod and the rotating rod drive the adjusting roller, and the first support frame drives the second support frame and the second rotating roller to move to both sides through the mounting mechanism, so as to facilitate the adjustment of the width of the conveyor roller, so that the conveyor roller is suitable for conveyor belts of different widths, and no spring is set, so that it is not affected by the spring during use and the friction resistance between the first rotating roller, the adjusting roller, the second rotating roller and the conveyor belt is increased; the first support frame can be limited by the provided slider and the limit groove, so as to improve the stability of the first support frame during movement.

[0019] 2. The first rotating roller and the adjusting roller of the adjustable conveyor roller are connected through a rotating rod and an adjusting shaft rod. The rotating rod and the adjusting shaft rod are movably connected to the second rotating roller through a cross coupling. The adjusting shaft rod is driven to rotate by a servo motor, a first gear and a second gear. The adjusting shaft rod drives the first rotating roller, the adjusting roller and the cross coupling to rotate, thereby driving the second rotating roller to rotate synchronously, which can reduce the friction resistance between the first rotating roller, the adjusting roller and the second rotating roller and the conveyor belt, reduce the wear rate of the conveyor belt, and increase the service life of the conveyor belt.

[0020] 3. The adjustable conveyor roller can separate the second support frame from the first support frame through the installation mechanisms such as the pin holes and pins. By pulling the second support frame away from the first support frame, the second support frame drives the second rotating roller through the L-shaped rod, the adjusting rod and the limiting shaft rod to adjust the inclination angle of the second rotating roller; the adjusting rod can be fixed by tightening the knob, which is convenient for limiting the second rotating roller and improving its stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a structural diagram of an adjustable conveyor roller of the present invention; Figure 2 A front cross-sectional view of an adjustable conveyor roller of the present invention; Figure 3 The invention provides an adjustable conveyor roller Figure 2 Enlarged view of point A in the middle; Figure 4 The invention provides an adjustable conveyor roller Figure 2 Enlarged view of point B in the middle; Figure 5 A cross-sectional view of a second rotating roller of an adjustable conveyor roller of the present invention; Figure 6 This is a structural diagram of a second support frame of an adjustable conveyor roller of the present invention; In the figure: 1. base; 2. fixing plate; 3. adjusting mechanism; 4. first support frame; 5. first rotating roller; 6. driving mechanism; 7. adjusting roller; 8. cross coupling; 9. second rotating roller; 10. second coupling; 11. limiting shaft; 12. L-shaped rod; 13. adjusting rod; 14. tightening knob; 15. mounting hole; 16. pin; 17. pin hole; 18. bidirectional screw; 19. handle; 20. inner cavity; 21. limiting slide groove; 22. spring; 23. adjusting shaft; 24. servo motor; 25. first gear; 26. second gear; 27. rotating shaft; 28. fixing shaft. DETAILED DESCRIPTION

[0022] 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 explained below in conjunction with specific implementation methods.

[0023] See also Figures 1 to 6The present invention provides a technical solution: an adjustable conveyor roller, comprising a base 1, an adjusting mechanism 3 is arranged on the top of the base 1, the adjusting mechanism 3 comprises a fixing plate 2 and a bidirectional screw 18, two first support frames 4 are screwed and installed at both ends of the bidirectional screw 18 through screw holes, a first rotating roller 5 is installed on one side of the first support frame 4 on the right side through a rotating rod to limit rotation, an adjusting shaft rod 23 is installed on the inner limit sliding of one end of the first rotating roller 5, the outer end of the adjusting shaft rod 23 is limited and rotated and installed inside the first support frame 4 on the left side, a driving mechanism 6 is arranged between the first support frame 4 on the left side and the adjusting shaft rod 23, a second support frame is arranged on one side of the bottom end of the two first support frames 4 through an installation mechanism, the shape of the second support frame is "L" type, the second support frame comprises an adjusting rod 13 and an L-shaped rod 12, a second rotating roller 9 is arranged between the adjusting rod 13 and the two first support frames 4, the width of the conveyor roller can be adjusted by cooperating with the adjusting mechanism 3 and the installation mechanism, so that it is convenient to be used at the bottom of conveyor belts of different specifications.

[0024] In this embodiment, the two first support frames 4 are both in "F" shape, and the driving mechanism 6 includes a servo motor 24. A mounting groove is provided on the side wall of the top end of the first support frame 4 on the left side, and the servo motor 24 is fixedly installed inside the mounting groove. A first gear 25 is fixedly installed on the output shaft of the servo motor 24, and a second gear 26 is fixedly installed on one end of the adjusting shaft 23 corresponding to the top of the first gear 25. The first gear 25 and the second gear 26 are meshed with each other and arranged in parallel. The shape of one end of the adjusting shaft 23 is square, and an adjusting roller 7 is fixedly installed on one end of the adjusting shaft 23 corresponding to one side of the second gear 26. The adjusting roller 7 is arranged inside the top end of the first support frame 4 on the left side, and the rotating rod is limited and rotatably installed inside the top end of the first support frame 4 on the right side, and one end of the rotating rod is fixedly provided with an adjusting roller 7 corresponding to the inside of the first support frame 4 on the right side, and one end of the second rotating roller 9 is fixedly provided with a fixed The shaft 28, the two ends of the cross coupling 8 are fixedly connected to the rotating rod and the adjusting shaft 23 respectively, the number of the cross coupling 8 is two, and the other end of the second rotating roller 9 is limitedly rotated and installed with a rotating shaft 27, one end of the rotating shaft 27 is movably installed with a limiting shaft 11 through the second coupling 10, and the limiting shaft 11 is limitedly rotated and installed inside the top of the adjusting rod 13, and the first gear 25 is driven to rotate by the servo motor 24, and the first gear 25 is engaged to drive the second gear 26 to rotate, and the second gear 26 can drive the adjusting shaft 23 to rotate inside the first support frame 4. Since the end of the adjusting shaft 23 set inside the first rotating roller 5 is square, the adjusting shaft 23 can drive the adjusting roller 7 and the first rotating roller 5 to rotate, and drive the second rotating roller 9 to rotate synchronously through the cross coupling 8 and the rotating rod, which can reduce the friction resistance between the first rotating roller 5, the adjusting roller 7 and the second rotating roller 9 and the conveyor belt, thereby reducing the wear of the conveyor belt.

[0025] In this embodiment, the mounting mechanism includes an inner cavity 20, the top of the inner cavity 20 is equidistantly provided with pin holes 17, the bottom end of the L-shaped rod 12 is provided with a pin hole 17, the bottom end of the L-shaped rod 12 is slidably mounted inside the inner cavity 20, the pin hole 17 is inserted with a pin 16, the bottom end of the adjusting rod 13 is limitedly mounted inside the top end of the L-shaped rod 12, the bottom end of the adjusting rod 13 is fixedly mounted with a spring 22, the spring 22 is fixedly mounted inside the L-shaped rod 12, and the side wall of the L-shaped rod 12 is provided with a spring 22. The screw hole is threadedly installed with a tightening knob 14. By inserting the pin 16 into the pin hole 17, the L-shaped rod 12 can be connected to the first support frame 4, which is convenient for lateral adjustment of the second support frame when adjusting the first support frame 4, and convenient for lateral adjustment of the second rotating roller 9 through the first support frame 4 and the second support frame to keep the inclination angle of the second rotating roller 9 unchanged. The pin 16 can also be pulled out and the L-shaped rod 12 can be pulled. The L-shaped rod 12 drives the second rotating roller 9 through the adjusting rod 13 and the limiting shaft rod 11 and adjusts its angle.

[0026] In this embodiment, the fixed plate 2 is symmetrically fixedly installed on both sides of the top of the base 1, the bidirectional screw 18 is limited and rotated inside the fixed plates 2 on both sides, a handle 19 is fixedly installed at the middle position of the bidirectional screw 18, and sliders are fixedly installed at the bottom ends of the two first support frames 4. Limiting grooves 21 are provided at the positions of the sliders on both sides of the top of the base 1, and the sliders are limited and slidably installed inside the limiting grooves 21. Mounting holes 15 are symmetrically provided inside the two ends of the base 1. By rotating the handle 19, the handle 19 drives the two first support frames 4 to move through the bidirectional screw 18, which is convenient for the subsequent adjustment of the width of the conveyor rollers. The stability of the first support frame 4 can be improved by the slider and the limiting groove 21.

[0027] When the adjustable conveyor roller is used, the width of the conveyor roller is adjusted according to the width of the conveyor belt, the pin 16 is inserted into the corresponding pin hole 17, the L-shaped rod 12 is connected to the first support frame 4, the handle 19 is held, and the bidirectional screw 18 is driven to rotate by turning the handle 19. The bidirectional screw 18 drives the two first support frames 4 to move to both sides through the screw hole. The two first support frames 4 drive the slider inside the limiting slide groove 21. The stability of the two first support frames 4 is improved by the action of the slider and the limiting slide groove 21. The two first support frames 4 The adjusting shaft rod 23 and the rotating rod are driven to move to both sides respectively, one end of the adjusting shaft rod 23 slides inside the first rotating roller 5, and the other end drives the adjusting roller 7 to move to the left, and at the same time, the rotating rod drives the first rotating roller 5 and the adjusting roller 7 to move to the right, and the adjusting shaft rod 23 and the rotating rod drive the second rotating roller 9 through the cross coupling 8, and at the same time, the first support frame 4 drives the second support frame through the installation mechanism, and the cooperation of the second support frame and the first support frame 4 drives the second rotating roller 9 to move to both sides, so as to adjust the width of the conveyor roller; the second rotating roller 9 needs to be adjusted When the tilt angle is set, the pin 16 is pulled out from the pin hole 17, and the tightening knob 14 is loosened. The L-shaped rod 12 is pulled to both sides or pushed toward the first support frame 4. The L-shaped rod 12 drives the adjusting rod 13 to squeeze the limiting shaft rod 11. The limiting shaft rod 11 squeezes the second rotating roller 9 through the second coupling 10. The angle of the second rotating roller 9 changes. At the same time, the adjusting rod 13 can slide inside the L-shaped rod 12 and compress or stretch the spring 22. After the adjustment is completed, the pin 16 is inserted into the pin hole 17 and tightened. Tighten the knob 14 to fix the adjusting rod 13; start the servo motor 24, and the servo motor 24 drives the adjusting shaft 23 to rotate through the first gear 25, the second gear 26 and other driving mechanisms 6. Since the adjusting shaft 23 is arranged at one end inside the first rotating roller 5 and is square, the adjusting shaft 23 can drive the adjusting roller 7 and the first rotating roller 5 to rotate, and drive the second rotating roller 9 to rotate synchronously through the cross coupling 8 and the rotating rod, which can reduce the friction resistance between the first rotating roller 5, the adjusting roller 7 and the second rotating roller 9 and the conveyor belt, thereby reducing the wear of the conveyor belt.

[0028] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An adjustable conveyor roller, comprising a base (1), characterized in that: An adjustment mechanism (3) is arranged on the top of the base (1), the adjustment mechanism (3) comprising a fixing plate (2) and a bidirectional screw (18), two first support frames (4) being screwed and mounted at both ends of the bidirectional screw (18) through screw holes, a first rotating roller (5) being mounted on one side of the first support frame (4) on the right side through a rotating rod for limited rotation, an adjustment shaft (23) being mounted on one end of the first rotating roller (5) for limited sliding inside, the outer end of the adjustment shaft (23) being mounted on the inside of the first support frame (4) on the left side for limited rotation, a driving mechanism (6) being arranged between the first support frame (4) on the left side and the adjustment shaft (23), a second support frame being arranged on one side of the bottom ends of the two first support frames (4) through a mounting mechanism, the second support frame being in an "L" shape, the second support frame comprising an adjustment rod (13) and an L-shaped rod (12), and a second rotating roller (9) being arranged between the adjustment rod (13) and the two first support frames (4).

2. The adjustable conveyor roller according to claim 1, characterized in that: The two first support frames (4) are both "F" shaped, the driving mechanism (6) comprises a servo motor (24), a mounting groove is provided on the side wall at the top end of the first support frame (4) on the left side, and the servo motor (24) is fixedly mounted inside the mounting groove.

3. The adjustable conveyor roller according to claim 2, characterized in that: A first gear (25) is fixedly mounted on the output shaft of the servo motor (24), and a second gear (26) is fixedly mounted on one end of the adjustment shaft (23) corresponding to the upper side of the first gear (25), and the first gear (25) and the second gear (26) are meshed with each other and are arranged in parallel.

4. An adjustable conveyor roller according to claim 3, characterized in that: One end of the adjusting shaft (23) is in the shape of a square, and an adjusting roller (7) is fixedly mounted on one side of the adjusting shaft (23) corresponding to the second gear (26), and the adjusting roller (7) is arranged inside the top end of the left first support frame (4).

5. The adjustable conveyor roller according to claim 1, characterized in that: The rotating rod is mounted for limited rotation inside the top end of the first support frame (4) on the right side, and an adjusting roller (7) is fixedly arranged at one end of the rotating rod corresponding to the inside of the first support frame (4) on the right side.

6. An adjustable conveyor roller according to claim 5, characterized in that: A fixed shaft rod (28) is fixedly provided at one end of the second rotating roller (9), and two ends of the cross coupling (8) are respectively fixedly connected to the rotating rod and the adjusting shaft rod (23), and the number of the cross couplings (8) is two.

7. An adjustable conveyor roller according to claim 6, characterized in that: The other end of the second rotating roller (9) is mounted with a rotating shaft (27) for limited rotation, one end of the rotating shaft (27) is movably mounted with a limited shaft (11) via a second coupling (10), and the limited shaft (11) is mounted inside the top end of the adjusting rod (13) for limited rotation.

8. The adjustable conveyor roller according to claim 1, characterized in that: The mounting mechanism comprises an inner cavity (20), the top of the inner cavity (20) is provided with pin holes (17) at equal intervals, the bottom end of the L-shaped rod (12) is provided with a pin hole (17), the bottom end of the L-shaped rod (12) is slidably mounted inside the inner cavity (20), and a pin (16) is inserted into the pin hole (17).

9. An adjustable conveyor roller according to claim 8, characterized in that: The bottom end of the adjusting rod (13) is limitedly mounted inside the top end of the L-shaped rod (12); a spring (22) is fixedly mounted on the bottom end of the adjusting rod (13); the spring (22) is fixedly mounted inside the L-shaped rod (12); and a tightening knob (14) is screwed onto the side wall of the L-shaped rod (12) through a screw hole.

10. The adjustable conveyor roller according to claim 1, characterized in that: The fixing plates (2) are symmetrically fixedly mounted on both sides of the top of the base (1); the bidirectional screws (18) are limitedly rotatably mounted inside the fixing plates (2) on both sides; a handle (19) is fixedly mounted at the middle position of the bidirectional screws (18); sliders are fixedly mounted at the bottom ends of the two first support frames (4); limiting sliding grooves (21) are provided at the positions of the sliders on both sides of the top of the base (1); the sliders are limitedly slidably mounted inside the limiting sliding grooves (21); and mounting holes (15) are symmetrically provided inside at both ends of the base (1).

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