Automatic adjusting device of leather conveyor

Abstract

The utility model discloses an automatic adjusting device of a leather conveyor, which comprises a support plate, first support legs are fixedly connected to the bottom wall of the support plate close to four corners, when the automatic adjusting device of the leather conveyor is used, the weight of goods on a conveyor belt is sensed through a pressure sensor, and a signal is transmitted to a controller; when the air cylinder is started to pull the supporting plate to move downwards, the number of the heavy hammer blocks synchronously moving downwards along with the falling plate can be controlled by controlling the working number of the electric rods, and when the falling number of the heavy hammer blocks is increased, the falling plate can be pressed to move downwards, so that the heavy hammer blocks are prevented from falling downwards. And on the contrary, when the falling number of the heavy hammer blocks is reduced, the movable plate can be reset rightwards under the action of resilience force of the reset spring, so that the conveying belt is loosened, frequent manual parking for adjusting the tightness of the belt is not needed, the cost is saved, and the parking time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of sulfuric acid process titanium dioxide production equipment, in particular to an automatic adjusting device for a belt conveyor. Background Art

[0002] In the production process of sulfuric acid process titanium dioxide, the filter cake after plate and frame pressing and dewatering is conveyed by a belt conveyor to the next process or equipment. After a period of use, due to the heavy pressure of the material and the pulling during operation, the belt becomes looser and looser, resulting in belt deviation, and even causing wear and tear of the belt. At this time, it is necessary to stop the machine, adjust the redirecting roller, correct the belt deviation, and repair the worn and torn parts, which affects the use. Content of the Utility Model

[0003] One of the purposes of the utility model is achieved by adopting the following technical scheme:

[0004] An automatic adjusting device for a belt conveyor includes a support plate. The bottom wall of the support plate is fixedly connected with first support legs near the four corners. And pulley grooves are formed in the top of the support plate near the front and rear sides. Two rollers are rotatably connected to the inner cavities of the two pulley grooves respectively. The tops of the four rollers are connected to the same movable plate. And mounting seats are arranged on the top of the movable plate near the front and rear sides in a fitting manner. A clamping mechanism is arranged between the two mounting seats and the movable plate. And mounting plates are fixedly connected to the tops of the two mounting seats. A same roller is rotatably connected between the two mounting plates. And a conveyor belt is arranged on the outer side of the roller. A box body is fixedly connected to the left side of the support plate. And second support legs are fixedly connected to the bottom of the box body near the four corners. A cylinder is fixedly installed at the bottom of the inner cavity of the box body. And a support plate is fixedly connected to the power end of the cylinder. A weight plate is arranged on the top of the support plate in a fitting manner. A plurality of weight blocks are arranged on the top of the weight plate. A first steel wire rope is fixedly connected to the right side of the weight plate. A rectangular slot is formed in the right side of the box body. A cross plate is fixedly connected to the top of the box body near the top. And a fixed pulley is rotatably connected to the bottom of the cross plate. The other end of the first steel wire rope penetrates through the rectangular slot and the fixed pulley and is fixedly connected to the movable plate. A side plate is fixedly connected to the top of the support plate near the left side. And a through hole is formed in the side plate. A cross bar is slidably connected to the inner cavity of the through hole. And the right end of the cross bar is fixedly connected to the movable plate. A return spring is sleeved on the outer wall of the cross bar. And the two ends of the return spring are fixedly connected to the side plate and the movable plate respectively. A support is fixedly connected to the top of the support plate near the right side. And a pressure sensor is fixedly installed on the top of the support. And the top of the pressure sensor is in contact with the bottom of the upper layer of the conveyor belt. A controller is fixedly installed on the front side of the support.

[0005] Further, the clamping mechanism includes an L-shaped rod, and the L-shaped rod is arranged on the right side of the mounting seat. A fixing hole adapted to the L-shaped rod is formed on the right side of the mounting seat, and one end of the L-shaped rod is inserted into the inner cavity of the fixing hole. A cavity is formed near the right side of the movable plate, and a threaded sleeve is slidably connected to the inner cavity of the cavity. A limiting groove adapted to the L-shaped rod is formed at the top of the cavity, and the other end of the L-shaped rod penetrates through the limiting groove and is fixedly connected to the threaded sleeve. A threaded rod is screwed into the inner cavity of the threaded sleeve, and the left end of the threaded rod is rotatably connected to the left side wall of the inner cavity of the cavity. A second bearing communicating with the inner cavity of the cavity is fixedly connected to the right side of the movable plate, and the right end of the threaded rod penetrates through the inner cavity of the second bearing and is fixedly connected to a hand crank wheel.

[0006] Further, a positioning block is fixedly connected to the bottom of the mounting seat, and a positioning groove adapted to the positioning block is formed on the top of the movable plate. The positioning block is inserted into the inner cavity of the positioning groove.

[0007] Further, a square jack is formed at the bottom of the weight block, and a square rod adapted to the square jack is inserted into the inner cavity of the square jack. The bottom end of the square rod is fixedly connected to the plumb plate.

[0008] Further, a plurality of electric rods equal in number to the weight blocks are fixedly installed at the top of the inner cavity of the box body, and a lifting plate is fixedly connected to the power end of the electric rod. The bottom of each of the plurality of lifting plates is fixedly connected to a second steel wire rope. A partition plate is fixedly connected near the top of the inner cavity of the box body, and a through hole is formed on the partition plate. The other ends of the plurality of second steel wire ropes respectively penetrate through the inner cavities of the adjacent through holes and are respectively fixedly connected to the tops of the adjacent weight blocks.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] 1. Through the settings of the pressure sensor, controller, cylinder, support plate, plumb plate, weight block, square rod, square jack, electric rod, lifting plate, second steel wire rope, first steel wire rope, cross plate, fixed pulley, cross bar and return spring, the weight of the goods on the conveyor belt is sensed by the pressure sensor and the signal is transmitted to the controller, so as to control the opening and closing of the cylinder and the electric rod through the controller. When the cylinder is started to pull the support plate to move downward, the downward supporting force on the plumb plate can be lost, so that the number of weight blocks synchronously moving downward with the plumb plate can be controlled by controlling the number of working electric rods. When the number of falling weight blocks is increased, the plumb plate can be pressed to move downward, and the movable plate can be pulled to move leftward against the resistance of the return spring through the first steel wire rope, so as to tension the conveyor belt. On the contrary, when the number of falling weight blocks is reduced, the movable plate can be reset rightward under the action of the resilience of the return spring, so as to loosen the conveyor belt, without the need for manual frequent parking to adjust the belt tightness, saving costs and reducing the parking time;

[0011] 2. Through the settings of the positioning block, positioning groove, fixing hole, L-shaped rod, threaded sleeve, threaded rod and hand crank wheel, the hand crank wheel can be rotated to drive the horizontal movement of the threaded sleeve, and the horizontal movement of the threaded sleeve can drive the movement of the L-shaped rod, so that the L-shaped rod can be withdrawn from the inner cavity of the fixing hole. Furthermore, when the conveyor belt runs off track, it is convenient to quickly correct the conveyor belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the front view structural schematic diagram of this embodiment;

[0013] Figure 2 is the top view of the movable plate of this embodiment;

[0014] Figure 3 is Figure 1 the enlarged structural view of part A in

[0015] In the figure: 1, support plate; 2, first support leg; 3, movable plate; 4, roller; 5, pulley groove; 6, mounting seat; 7, mounting plate; 8, roller; 9, conveyor belt; 10, box body; 11, second support leg; 12, cylinder; 13, support plate; 14, dropping plate; 15, weight block; 16, first steel wire rope; 17, cross plate; 18, fixed pulley; 19, cross bar; 20, return spring; 21, electric rod; 22, lifting plate; 23, second steel wire rope; 24, square jack; 25, square rod; 26, bracket; 27, pressure sensor; 28, controller; 29, positioning groove; 30, positioning block; 31, fixing hole; 32, L-shaped rod; 33, threaded sleeve; 34, threaded rod; 35, hand crank wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Please refer to Figures 1 to 3 , the present utility model provides the following technical solutions:

[0017] An automatic adjustment device for a belt conveyor, comprising a support plate 1. At the four corners near the bottom wall of the support plate 1, first support legs 2 are fixedly connected. At the front and rear sides near the top of the support plate 1, pulley grooves 5 are provided. In the inner cavities of the two pulley grooves 5, two rollers 4 are respectively connected in a rolling manner. The tops of the four rollers 4 are connected to the same movable plate 3. At the front and rear sides near the top of the movable plate 3, mounting seats 6 are respectively arranged in a fitting manner. At the bottom of the mounting seat 6, a positioning block 30 is fixedly connected. On the top of the movable plate 3, a positioning groove 29 adapted to the positioning block 30 is provided. The positioning block 30 is inserted into the inner cavity of the positioning groove 29. A clamping mechanism is provided between the two mounting seats 6 and the movable plate 3. On the tops of the two mounting seats 6, mounting plates 7 are fixedly connected. Between the two mounting plates 7, a same drum 8 is rotatably connected. On the outer side of the drum 8, a conveyor belt 9 is arranged. On the left side of the support plate 1, a box body 10 is fixedly connected. At the four corners near the bottom of the box body 10, second support legs 11 are fixedly connected. At the bottom of the inner cavity of the box body 10, a cylinder 12 is fixedly installed. At the power end of the cylinder 12, a support plate 13 is fixedly connected. On the top of the support plate 13, a weight plate 14 is arranged in a fitting manner. On the top of the weight plate 14, a number of weight blocks 15 are arranged. At the bottom of the weight block 15, a square jack 24 is provided. In the inner cavity of the square jack 24, a square rod 25 adapted to it is inserted. The bottom end of the square rod 25 is fixedly connected to the weight plate 14. On the right side of the weight plate 14, a first steel wire rope 16 is fixedly connected. On the right side of the box body 10, a rectangular slot is provided. Near the top of the right side of the box body 10, a cross plate 17 is fixedly connected. At the bottom of the cross plate 17, a fixed pulley 18 is rotatably connected. The other end of the first steel wire rope 16 passes through the rectangular slot and the fixed pulley 18, and is fixedly connected to the movable plate 3. Near the left side of the top of the support plate 1, a side plate is fixedly connected. On the side plate, a through hole is provided. In the inner cavity of the through hole, a cross bar 19 is slidably connected. The right end of the cross bar 19 is fixedly connected to the movable plate 3. A return spring 20 is sleeved on the outer wall of the cross bar 19. The two ends of the return spring 20 are respectively fixedly connected to the side plate and the movable plate 3. Near the right side of the top of the support plate 1, a bracket 26 is fixedly connected. On the top of the bracket 26, a pressure sensor 27 is fixedly installed. The top of the pressure sensor 27 is in contact with the bottom of the upper layer of the conveyor belt 9. On the front side of the bracket 26, a controller 28 is fixedly installed. At the top of the inner cavity of the box body 10, a number of electric rods 21 equal to the number of the weight blocks 15 are fixedly installed. At the power end of the electric rod 21, a lifting plate 22 is fixedly connected. At the bottom of the number of lifting plates 22, second steel wire ropes 23 are fixedly connected. Near the top of the inner cavity of the box body 10, a partition plate is fixedly connected. On the partition plate, a through hole is provided. The other ends of the number of second steel wire ropes 23 respectively pass through the inner cavities of the adjacent through holes, and are respectively fixedly connected to the tops of the adjacent weight blocks 15.

[0018] The clamping mechanism includes an L-shaped rod 32, and the L-shaped rod 32 is arranged on the right side of the mounting seat 6. A fixing hole 31 adapted to the L-shaped rod 32 is provided on the right side of the mounting seat 6, and one end of the L-shaped rod 32 is inserted into the inner cavity of the fixing hole 31. A cavity is provided near the right side of the movable plate 3, and a threaded sleeve 33 is slidably connected to the inner cavity of the cavity. A limiting groove adapted to the L-shaped rod 32 is provided at the top of the cavity, and the other end of the L-shaped rod 32 penetrates through the limiting groove and is fixedly connected to the threaded sleeve 33. A threaded rod 34 is screwed into the inner cavity of the threaded sleeve 33, and the left end of the threaded rod 34 is rotatably connected to the left side wall of the inner cavity of the cavity. A second bearing communicating with the inner cavity of the cavity is fixedly connected to the right side of the movable plate 3, and the right end of the threaded rod 34 penetrates through the inner cavity of the second bearing and is fixedly connected to a hand crank 35.

[0019] Working principle: When in use, the pressure sensor 27 senses the weight of the goods on the conveyor belt 9 and transmits the signal to the controller 28, so as to control the opening and closing of the air cylinder 12 and the electric rod 21 through the controller 28. When the air cylinder 12 is started to pull the supporting plate 13 to move downward, the dropping plate 14 will lose the downward supporting force, so that the number of the weight blocks 15 moving downward synchronously with the dropping plate 14 can be controlled by controlling the number of the working electric rods 21. When increasing the number of the falling weight blocks 15, the dropping plate 14 can be pressed to move downward, and the movable plate 3 can be pulled to move leftward against the resistance of the return spring 20 through the first steel wire rope 16, so as to tension the conveyor belt 9. On the contrary, when reducing the number of the falling weight blocks 15, the movable plate 3 can be reset rightward under the action of the resilience of the return spring 20, so as to relax the conveyor belt 9. There is no need for manual frequent parking to adjust the belt tightness, which saves costs and reduces the parking time. In addition, the hand crank 35 can be rotated to drive the threaded rod 34 to rotate. The rotation of the threaded rod 34 drives the threaded sleeve 33 to move horizontally, and the horizontal movement of the threaded sleeve 33 can drive the L-shaped rod 32 to move, so that the L-shaped rod 32 can be withdrawn from the inner cavity of the fixing hole 31. Furthermore, when the conveyor belt 9 runs off, it is convenient to quickly correct the conveyor belt 9.

Claims

1. An automatic adjustment device for a belt conveyor, comprising a support plate (1), characterized in that: At the four corners of the bottom wall of the support plate (1), first support legs (2) are fixedly connected. At the front and rear sides of the top of the support plate (1), pulley grooves (5) are opened. In the inner cavities of the two pulley grooves (5), two rollers (4) are respectively connected in a rolling manner. The tops of the four rollers (4) are connected to the same movable plate (3). At the front and rear sides of the top of the movable plate (3), mounting seats (6) are closely arranged. Between the two mounting seats (6) and the movable plate (3), a clamping mechanism is provided. At the tops of the two mounting seats (6), mounting plates (7) are fixedly connected. Between the two mounting plates (7), the same roller (8) is rotatably connected. On the outer side of the roller (8), a conveyor belt (9) is arranged. On the left side of the support plate (1), a box body (10) is fixedly connected. At the four corners of the bottom of the box body (10), second support legs (11) are fixedly connected. At the bottom of the inner cavity of the box body (10), a cylinder (12) is fixedly installed. At the power end of the cylinder (12), a support plate (13) is fixedly connected. On the top of the support plate (13), a weight plate (14) is closely arranged. On the top of the weight plate (14), a number of weight blocks (15) are arranged. On the right side of the weight plate (14), a first steel wire rope (16) is fixedly connected. On the right side of the box body (10), a rectangular slot is opened. At the top of the right side of the box body (10), a cross plate (17) is fixedly connected. At the bottom of the cross plate (17), a fixed pulley (18) is rotatably connected. The other end of the first steel wire rope (16) penetrates through the rectangular slot and the fixed pulley (18), and is fixedly connected to the movable plate (3). At the left side of the top of the support plate (1), a side plate is fixedly connected. In the side plate, a through hole is opened. In the inner cavity of the through hole, a cross bar (19) is slidably connected. The right end of the cross bar (19) is fixedly connected to the movable plate (3). A return spring (20) is sleeved on the outer wall of the cross bar (19). The two ends of the return spring (20) are respectively fixedly connected to the side plate and the movable plate (3). At the right side of the top of the support plate (1), a bracket (26) is fixedly connected. At the top of the bracket (26), a pressure sensor (27) is fixedly installed. The top of the pressure sensor (27) is in close contact with the bottom of the upper layer of the conveyor belt (9). At the front side of the bracket (26), a controller (28) is fixedly installed.

2. The automatic adjustment device of a belt conveyor according to claim 1, characterized in that: The clamping mechanism includes an L-shaped rod (32), and the L-shaped rod (32) is arranged on the right side of the mounting base (6). A fixing hole (31) adapted to the L-shaped rod (32) is formed on the right side of the mounting base (6), and one end of the L-shaped rod (32) is inserted into the inner cavity of the fixing hole (31). A cavity is formed near the right side of the movable plate (3), and a threaded sleeve (33) is slidably connected to the inner cavity of the cavity. A limiting groove adapted to the L-shaped rod (32) is formed at the top of the cavity, and the other end of the L-shaped rod (32) penetrates through the limiting groove and is fixedly connected to the threaded sleeve (33). A threaded rod (34) is screwed into the inner cavity of the threaded sleeve (33), and the left end of the threaded rod (34) is rotatably connected to the left side wall of the inner cavity of the cavity. A second bearing communicating with the inner cavity of the cavity is fixedly connected to the right side of the movable plate (3), and the right end of the threaded rod (34) penetrates through the inner cavity of the second bearing and is fixedly connected to a hand crank (35).

3. The automatic adjustment device of a belt conveyor according to claim 1, characterized in that: A positioning block (30) is fixedly connected to the bottom of the mounting base (6), and a positioning groove (29) adapted to the positioning block (30) is formed at the top of the movable plate (3). The positioning block (30) is inserted into the inner cavity of the positioning groove (29).

4. The automatic adjustment device of a belt conveyor according to claim 1, characterized in that: A square socket (24) is formed at the bottom of the weight block (15), and a square rod (25) adapted to the square socket (24) is inserted into the inner cavity of the square socket (24). The bottom end of the square rod (25) is fixedly connected to the plumb plate (14).

5. The automatic adjustment device of a belt conveyor according to claim 1, characterized in that: A plurality of electric rods (21) with the same number as the weight blocks (15) are fixedly installed at the top of the inner cavity of the box body (10), and a lifting plate (22) is fixedly connected to the power end of the electric rod (21). A second steel wire rope (23) is fixedly connected to the bottom of each of the plurality of lifting plates (22). A partition is fixedly connected to the inner cavity of the box body (10) near the top, and a through hole is formed in the partition. The other ends of the plurality of second steel wire ropes (23) respectively penetrate through the inner cavities of the adjacent through holes and are respectively fixedly connected to the tops of the adjacent weight blocks (15).

Images