Tension-adjustable bidirectional synchronous belt conveying device

Abstract

The utility model relates to the technical field of conveying devices, in particular to a tension-adjustable two-way synchronous belt conveying device which comprises a conveying assembly, the conveying assembly comprises two conveying frames and a conveying belt wound on the conveying frames, adjusting holes are symmetrically formed in the two sides of each conveying frame, a shaft seat is connected in each adjusting hole in a sliding mode, and the shaft seats are arranged on the conveying frames. A rotating shaft is rotationally connected between the two shaft seats, an extrusion roller is fixedly installed on the rotating shaft, an installation groove is formed in the bottom of the conveying frame, and the extrusion roller is located in the installation groove, located on the conveying belt and downwards extrudes the conveying belt. According to the device, the screw is rotated to move spirally along the fixing frame, when the screw moves, the connecting plates are driven to move, the connecting plates pull the shaft seats to slide along the inner walls of the adjusting holes through the two connecting rods respectively, then the extrusion rollers are driven to move, and the conveying belt is extruded through the extrusion rollers; therefore, the tension of the conveying belt can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying device technical field more specifically, relate to a kind of tension-adjustable bidirectional synchronous belt strip conveying device. BACKGROUND

[0002] Double synchronous belt conveyor is a kind of conveying equipment, which uses two synchronous belt systems to realize the bidirectional transmission of goods.

[0003] In the prior art, the tension of the synchronous belt conveyor changes due to factors such as load variation, synchronous belt wear, and pulley and bearing wear during actual application. If the tension is not adjusted properly, it can cause the synchronous belt to relax or become too tense during transmission, affecting the stable operation of the conveyor. UTILITY MODEL CONTENT

[0004] Based on the above-mentioned technical problems of the prior art, the tension of the synchronous belt conveyor changes due to factors such as load variation, synchronous belt wear, and pulley and bearing wear during actual application. If the tension is not adjusted properly, it can cause the synchronous belt to relax or become too tense during transmission, affecting the stable operation of the conveyor. The utility model provides a tension-adjustable bidirectional synchronous belt strip conveying device. By adjusting the position of the extrusion roller, the extrusion roller can extrude the conveying belt, and the tension of the conveying belt can be adjusted to improve the stable operation of the conveyor.

[0005] The utility model provides a tension-adjustable bidirectional synchronous belt strip conveying device, which comprises a conveying assembly, the conveying assembly comprises two conveying frames and a conveying belt wound on the conveying frames, and adjusting holes are symmetrically formed on both sides of the conveying frame. Each adjusting hole is slidably connected with an axle seat, and a rotating shaft is rotatably connected between the two axle seats. An extrusion roller is fixedly installed on the rotating shaft. An installation slot is formed in the bottom of the conveying frame, and the extrusion roller is located in the installation slot. The extrusion roller is located on the conveying belt and extrudes the conveying belt downward. A connecting rod extending downward is fixedly connected to the bottom of the axle seat. The connecting rod extends through the conveying frame and extends downward. A fixed frame is fixedly connected to the bottom of the conveying frame. A screw is threadedly connected to the inner wall of the fixed frame. A connecting plate is rotatably connected to the top end of the screw. The connecting plate is fixedly connected to the bottom end of the two connecting rods.

[0006] Preferably, two drive shafts are rotatably connected to the inner wall of the conveying frame. Conveying rollers are fixedly connected to the outer wall of each drive shaft. The conveying belt is wrapped around the two conveying rollers. The conveying rollers are used to move the conveying belt.

[0007] Preferably, a stepper motor is fixedly connected to the outer wall of the conveying frame. The output end of the stepper motor is fixedly connected to one of the drive shafts.

[0008] Preferably, the bottom of the conveying frame is fixedly connected with a support seat, and two connecting beams are fixedly connected between the two conveying frames.

[0009] Preferably, the bottom of the fixing frame is fixedly connected with a support frame, and a worm is rotatably connected to the inner wall of the support frame.

[0010] Preferably, the bottom of the screw rod is fixedly connected with a fixing rod, a plurality of limiting grooves are formed in the outer wall of the fixing rod, a worm wheel is sleeved on the outer wall of the fixing rod, and the convex portions of the inner wall of the worm wheel respectively extend into the limiting grooves and are slidably connected therewith.

[0011] Preferably, a rotating sleeve is rotatably connected to the inner wall of the worm wheel, and the top of the rotating sleeve is fixedly connected with the fixing frame.

[0012] Preferably, the end of the worm extends to the outside of the support frame, a fixing disc is fixedly connected to the outer end of the worm, and a handle is rotatably connected to the outer wall of the fixing disc.

[0013] By the above technical scheme, the beneficial effects of the present application are as follows:

[0014] 1. By rotating the screw rod, the screw rod moves along the fixing frame in a spiral manner. When the screw rod moves, the connecting plate moves, the connecting plate pulls the shaft seat along the inner wall of the adjusting hole through the two connecting rods, thereby driving the extrusion roller to move, and the extrusion roller extrudes the conveying belt, so that the tension of the conveying belt can be adjusted, and the stable operation of the conveyor is improved.

[0015] 2. By rotating the handle, the worm is driven to rotate, the worm is engaged with the worm wheel for transmission, the worm wheel is driven to rotate around the axis of the fixing rod, the fixing rod is driven to rotate when the worm wheel rotates, the screw rod is driven to rotate through the fixing rod, the screw rod moves along the fixing frame in a spiral manner, the fixing rod moves when the screw rod moves, and the fixing rod slides along the worm wheel. This design can self-lock the screw rod through the self-locking property between the worm wheel and the worm, and the stability of the screw rod after adjustment is improved.

[0016] 3. The driving shaft is driven to rotate by the stepping motor, the conveying roller is driven to rotate by the driving shaft, thereby driving the conveying belt to rotate, and the two conveying belts are controlled by independent stepping motors, so that the rotation direction of the two conveying belts can be controlled. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the mounting structure of the conveying roller of the present application;

[0019] Figure 3 It is a schematic diagram of the local structure of the conveying frame of the present application;

[0020] Figure 4 It is the mounting structure schematic drawing of the extrusion roller of the utility model;

[0021] Figure 5 It is the mounting structure schematic drawing of the handle of the utility model;

[0022] Figure 6 It is the mounting structure schematic drawing of the rotating sleeve of the utility model;

[0023] Figure 7 It is the mounting structure schematic drawing of the worm and the worm gear of the utility model.

[0024] In the figure: 1, conveying frame;2, drive shaft;3, conveying roller;4, stepping motor;5, conveying belt;6, connecting cross beam;7, support base;8, mounting slot;9, adjusting hole;10, shaft seat;11, rotating shaft;12, extrusion roller;13, connecting rod;14, fixed frame;15, connecting plate;16, support frame;17, screw;18, fixed rod;19, limiting slot;20, worm gear;21, rotating sleeve;22, worm;23, fixed disc;24, handle. DETAILED DESCRIPTION

[0025] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model, in the utility model, unless there is explicit provision and limitation, the term "fixed connection" should be understood broadly, for example, "fixed connection" can be fixed installation, can be detachable connection, or be integrated;Can be mechanical connection, can be electrical connection;Can be directly connected.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific situation.

[0026] As Figures 1-4 Shown, a kind of tension-adjustable bidirectional synchronous belt strip conveying device, including conveying assembly, conveying assembly includes two conveying frames 1 and the conveying belt 5 around on conveying frame 1, two sides of conveying frame 1 symmetrically are provided with adjusting hole 9, each adjusting hole 9 is slidably connected with shaft seat 10, rotatingly connected with rotating shaft 11 between two shaft seats 10, extrusion roller 12 is fixedly installed on rotating shaft 11, installation slot 8 is provided in the bottom of conveying frame 1, extrusion roller 12 is located in installation slot 8, extrusion roller 12 is located in conveying belt 5, and it is extruded to conveying belt 5 downwards, the bottom of shaft seat 10 is fixedly connected with the connecting rod 13 extending downwards, the connecting rod 13 passes through conveying frame 1 and extends below, the bottom of conveying frame 1 is fixedly connected with fixed frame 14, screw 17 is screw-connected on the inner wall of fixed frame 14, connecting plate 15 is rotatably connected on the top of screw 17, connecting plate 15 is fixedly connected with the bottom of two connecting rods 13 respectively;

[0027] By rotating the screw rod 17, the screw rod 17 moves along the fixed frame 14, and the connecting plate 15 moves when the screw rod 17 moves, the connecting plate 15 pulls the shaft seat 10 along the inner wall of the adjusting hole 9 through the two connecting rods 13, and then drives the extrusion roller 12 to move, and the tension of the conveying belt 5 can be adjusted by extruding the conveying belt 5 through the extrusion roller 12.

[0028] In some embodiments, as shown in Figure 1 and Figure 2 , the inner wall of the conveying frame 1 is rotatably connected with two drive shafts 2, the outer wall of the drive shaft 2 is fixedly connected with a conveying roller 3, the conveying belt 5 is sleeved on the two conveying rollers 3, the conveying roller 3 is used to drive the conveying belt 5 to move, the outer wall of the conveying frame 1 is fixedly connected with a stepping motor 4, the output end of the stepping motor 4 is fixedly connected with one of the drive shafts 2, the bottom of the conveying frame 1 is fixedly connected with a support seat 7, and the two conveying frames 1 are fixedly connected with two connecting cross beams 6;

[0029] The connecting cross beam 6 can fixedly connect the two conveying frames 1 together, and the support seat 7 can support the conveying frame 1; the drive shaft 2 is driven to rotate by the stepping motor 4, the conveying roller 3 is driven to rotate by the drive shaft 2, and then the conveying belt 5 can be driven to rotate, the two conveying belts 5 are controlled by independent stepping motors 4, and the rotating directions of the two conveying belts 5 can be controlled.

[0030] In some embodiments, as shown in Figures 4-7 , the bottom of the fixed frame 14 is fixedly connected with a support frame 16, the inner wall of the support frame 16 is rotatably connected with a worm 22, the bottom of the screw rod 17 is fixedly connected with a fixed rod 18, a plurality of limiting grooves 19 are formed in the outer wall of the fixed rod 18, a worm gear 20 is sleeved on the outer wall of the fixed rod 18, the convex part of the inner wall of the worm gear 20 extends into the limiting groove 19 and is slidably connected therewith, a rotating sleeve 21 is rotatably connected to the inner wall of the worm gear 20, and the top of the rotating sleeve 21 is fixedly connected with the fixed frame 14; the worm gear 20 is engaged with the worm 22, the end of the worm 22 penetrates through the support frame 16 and extends to the outer side of the support frame 16, the outer end of the worm 22 is fixedly connected with a fixed disc 23, and the outer wall of the fixed disc 23 is rotatably connected with a handle 24.

[0031] The worm 22 is driven to rotate by rotating the handle 24, the worm 22 is engaged with the worm gear 20 for transmission, and the worm gear 20 is driven to rotate around the axis of the fixed rod 18, when the worm gear 20 rotates, the fixed rod 18 is driven to rotate, the screw rod 17 is driven to rotate by the fixed rod 18, so that the screw rod 17 moves along the fixed frame 14, when the screw rod 17 moves, the fixed rod 18 moves, so that the fixed rod 18 slides along the worm gear 20, this design can self-lock the screw rod 17 through the self-locking property between the worm gear 20 and the worm 22, and the stability of the screw rod 17 after adjustment is improved

[0032] Working principle: through the step motor 4 drive shaft 2 rotation respectively, through drive shaft 2 drive conveying roller 3 rotation, in turn can drive the rotation of the conveyor belt 5, two conveyor belts 5 respectively through the independent step motor 4 control, can control the rotation direction of two conveyor belts 5;

[0033] When the tension of the conveyor belt 5 needs to be adjusted, the operator rotates the handle 24 to drive the worm 22 to rotate, the worm 22 is engaged with the worm gear 20 to drive the worm gear 20 to rotate around the axis of the fixed rod 18, when the worm gear 20 rotates, the fixed rod 18 is driven to rotate, the fixed rod 18 drives the screw rod 17 to rotate, so that the screw rod 17 moves along the fixed frame 14, when the screw rod 17 moves, the fixed rod 18 is driven to move, so that the fixed rod 18 slides along the worm gear 20, the screw rod 17 moves at the same time, the connecting plate 15 is driven to move, the connecting plate 15 pulls the shaft seat 10 along the inner wall of the adjusting hole 9 through the two connecting rods 13 respectively, in turn drives the extrusion roller 12 to move, the extrusion roller 12 extrudes the conveyor belt 5, so that the tension of the conveyor belt 5 can be adjusted.

[0034] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art according to the technical scheme and the utility model concept of the present application within the technical range disclosed by the present application, equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A tension-adjustable bidirectional synchronous belt strip conveying device, characterized by, Include: The conveying assembly includes two conveying frames (1) and a conveying belt (5) arranged on the conveying frames (1), the conveying frames (1) are symmetrically provided with adjusting holes (9) on both sides, an axle seat (10) is slidably connected in each adjusting hole (9), a rotating shaft (11) is rotatably connected between the two axle seats (10), an extrusion roller (12) is fixedly installed on the rotating shaft (11), an installation groove (8) is formed in the bottom of the conveying frame (1), the extrusion roller (12) is located in the installation groove (8), the extrusion roller (12) is located on the conveying belt (5) and extrudes the conveying belt (5) downward, the axle seat (10) is fixedly connected with a downward extending connecting rod (13) at the bottom, the connecting rod (13) penetrates through the conveying frame (1) and extends below, a fixed frame (14) is fixedly connected to the bottom of the conveying frame (1), a screw rod (17) is threadedly connected to the inner wall of the fixed frame (14), a connecting plate (15) is rotatably connected to the top end of the screw rod (17), and the connecting plate (15) is fixedly connected with the bottom ends of the two connecting rods (13) respectively.

2. The tension adjustable bidirectional synchronous belt strip conveying device according to claim 1, characterized in that: The inner wall of the conveying frame (1) is rotatably connected with two drive shafts (2), the outer wall of the drive shaft (2) is fixedly connected with a conveying roller (3), the conveying belt (5) is sleeved on the two conveying rollers (3), and the conveying roller (3) is used to drive the conveying belt (5) to move.

3. The tension adjustable bidirectional synchronous belt strip conveying device according to claim 2, characterized in that: The outer wall of the conveying frame (1) is fixedly connected with a stepping motor (4), and the output end of the stepping motor (4) is fixedly connected with one of the drive shafts (2).

4. The tension adjustable bidirectional synchronous belt strip conveying device according to claim 3, characterized in that: The bottom of the conveying frame (1) is fixedly connected with a support seat (7), and the two conveying frames (1) are fixedly connected with two connecting beams (6).

5. The tension adjustable bidirectional synchronous belt strip conveying device according to claim 4, characterized in that: The bottom of the fixed frame (14) is fixedly connected with a support frame (16), and the inner wall of the support frame (16) is rotatably connected with a worm (22).

6. The tension adjustable bidirectional synchronous belt strip conveying device according to claim 5, characterized in that: The bottom of the screw rod (17) is fixedly connected with a fixed rod (18), a plurality of limiting grooves (19) are formed in the outer wall of the fixed rod (18), a worm wheel (20) is sleeved on the outer wall of the fixed rod (18), and the convex portions on the inner wall of the worm wheel (20) extend into the limiting grooves (19) and are slidably connected therewith.

7. The tension adjustable bidirectional synchronous belt strip conveying device according to claim 6, characterized in that: The inner wall of the worm wheel (20) is rotatably connected with a rotating sleeve (21), the top of the rotating sleeve (21) is fixedly connected with the fixed frame (14), and the worm wheel (20) is meshed with the worm (22).

8. The tension adjustable bidirectional synchronous belt strip conveying device according to claim 7, characterized in that: The end of the worm (22) penetrates through the support frame (16) and extends to the outer side of the support frame (16), the outer end of the worm (22) is fixedly connected with a fixed disc (23), and the outer wall of the fixed disc (23) is rotatably connected with a handle (24).

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