Split type tensioning device

Abstract

The utility model relates to the technical field of tensioning devices, and discloses a split type tensioning device which comprises an installation block, sliding grooves are formed in the two ends of the side wall of the installation block, sliding blocks are connected into the two sliding grooves in a sliding mode, a supporting mechanism is arranged on the side wall of each sliding block, and each supporting mechanism comprises a supporting column. An adjusting screw rod is slidably arranged in the supporting column, a rotating piece is rotatably connected to the top end of the supporting column, limiting blocks are fixedly connected to the two sides of the bottom end of the adjusting screw rod, the two limiting blocks are slidably connected to the interior of the supporting column, and a supporting disc is fixedly connected to the end, away from the limiting blocks, of the adjusting screw rod; a rotating ring is rotationally connected to the side wall of the supporting disc, a supporting rod is fixedly connected to the side wall of the rotating ring, and mounting plates are fixedly connected to the two sides of the end, away from the rotating ring, of the supporting rod; the distance between the supporting wheel and the side wall of the machine tool is adjusted, and the universality of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tensioning devices, in particular to a split type tensioning device. Background Art

[0002] The tensioner is a key component widely used in various mechanical transmission systems. Its main function is to maintain the tension of the transmission belt and ensure the stable and efficient operation of the transmission system.

[0003] With the continuous development of industrial technology, the requirements for transmission systems are getting higher and higher, and the design and technology of tensioning devices are also constantly innovating and improving. Traditional tensioning devices usually use springs or heavy hammers to achieve the tensioning function, but these methods have some disadvantages, such as unstable tensioning force and difficult adjustment.

[0004] In short, the background technology of tensioning devices has experienced continuous development and innovation from traditional to modern, from simple to complex, from mechanization to intelligence. With the continuous advancement of technology and the continuous expansion of application fields, tensioning devices will continue to play an important role and provide strong guarantee for the stable and efficient operation of various mechanical transmission systems.

[0005] The existing tensioning device adjusts the tightness of the chain by adjusting the height and angle of the support wheel when supporting and tensioning the chain. However, when tensioning the chain, the distance between the chain and the side wall of the device varies for different types of instrument devices. The existing tensioning device cannot adjust the lateral position of the support wheel, resulting in reduced versatility.

[0006] Therefore, it is necessary to provide a split tensioning device to solve the above technical problems. Utility Model Content

[0007] The utility model aims to provide a split tensioning device, which can adjust the distance between the supporting wheel and the side wall of the machine tool, thereby improving the versatility of the device.

[0008] The above-mentioned technical objective of the utility model is achieved through the following technical scheme: a split tensioning device comprises a mounting block, wherein both ends of the side wall of the mounting block are provided with a sliding groove, and the inside of the two sliding grooves are slidably connected with a sliding block, and a support mechanism is arranged on the side wall of the sliding block, and the support mechanism comprises a support column, and the inside of the support column is slidably provided with an adjusting screw, and the top of the support column is rotatably connected with a rotating piece, and the bottom of the adjusting screw is fixedly connected with a limiting block on both sides, and the two limiting blocks are slidably connected to the inside of the support column, and the end of the adjusting screw away from the limit block is fixedly connected to a support plate, and a rotating ring is rotatably connected on the side wall of the support plate, and a support rod is fixedly connected to the side wall of the rotating ring, and the end of the support rod away from the rotating ring is fixedly connected to the mounting plate on both sides, and a support wheel is rotatably connected between the two mounting plates.

[0009] By adopting the above technical solution, the device can adjust the distance between the supporting wheel and the side wall of the machine tool, thereby improving the versatility of the device.

[0010] The utility model is further configured as follows: a ball screw is rotatably connected inside the two slide grooves, the two ball screws are respectively threadedly connected to the two sliders, and the thread directions of the two ball screws are opposite.

[0011] By adopting the above technical solution, when the supporting position of the chain needs to be changed, the two ball screws are rotated to drive the slider to move, so that the supporting position of the support wheel for the chain is changed.

[0012] The utility model is further configured as follows: a rotating tooth plate is rotatably connected to the side wall of the mounting block, the rotating tooth plate is arranged between the two sliding grooves, and the two side walls of the rotating tooth plate are respectively fixedly connected to one end of the two ball screws.

[0013] By adopting the above technical solution, the two ball screws are driven to rotate by rotating the gear pieces, so that the position of the slider can be adjusted easily.

[0014] The utility model is further configured as follows: a plurality of grooves are provided on the side wall of the rotating piece.

[0015] By adopting the above technical solution, the plurality of grooves are provided on the side wall of the rotating plate to increase the force points of the device, thereby facilitating the rotation of the rotating plate.

[0016] The utility model is further configured as follows: a fixing stud is threadedly connected to the side wall of the rotating ring away from the supporting rod, and one end of the fixing stud passes through the rotating ring and contacts the inner wall of the supporting plate.

[0017] By adopting the above technical solution, after the support wheel is adjusted to an appropriate position, the fixing stud is rotated so that one end of the fixing stud continuously penetrates into the rotating ring. When the fixing stud squeezes the support disk, the rotating ring is fixed.

[0018] The utility model is further configured as follows: locking bolts are threadedly connected to the side walls at both ends of the mounting block, and one end of the two locking bolts penetrates the side wall of the mounting block.

[0019] By adopting the above technical solution, the mounting block is fixedly installed on the side wall of the machine tool by two locking bolts, the chain is supported at the position of the adjusting support wheel, and the tension of the chain is adjusted according to the usage scenario.

[0020] To sum up, the utility model has the following beneficial effects: when the device is used, the mounting block is first fixed to the side wall of the machine tool by means of the two locking bolts on the side walls at both ends of the mounting block, and then the slider is moved to a suitable position to support the chain, and then the rotating piece on the supporting mechanism is rotated, and the adjusting screw is driven to extend and retract through the threaded connection between the rotating piece and the adjusting screw, thereby driving the supporting plate and the supporting wheel so that the supporting wheel can be directly below the chain, which is convenient for the supporting wheel to tension and support the chain, and then the rotating ring is rotated by the supporting rod to adjust the supporting wheel to a suitable position to support the chain, and the position of the rotating ring is fixed by the fixing stud, and when the rotating piece rotates, the adjusting screw cannot rotate under the action of the limit block, and the adjusting screw is limited to ensure the extension and retraction of the adjusting bolt, and the distance between the supporting wheel and the side wall of the machine tool can be adjusted by the device, thereby improving the versatility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 A schematic diagram of a three-dimensional structure of the utility model from another viewing angle;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the support mechanism of the utility model;

[0024] Figure 4 This is a schematic diagram of the main structure of the utility model;

[0025] Figure 5 It is a side structural schematic diagram of the utility model.

[0026] In the figure: 1. mounting block; 2. slide groove; 3. slider; 4. support column; 5. rotating plate; 6. adjusting screw; 7. limit block; 8. support plate; 9. rotating ring; 10. support rod; 11. mounting plate; 12. support wheel; 13. fixing stud; 14. ball screw; 15. rotating gear; 16. locking bolt; 17. groove. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0028] See also Figures 1 to 5 , In an embodiment of the utility model, a split tensioning device comprises a mounting block 1, wherein both ends of the side wall of the mounting block 1 are provided with a slide groove 2, and a slider 3 is slidably connected inside the two slide grooves 2, and a supporting mechanism is arranged on the side wall of the slider 3, and the supporting mechanism comprises a supporting column 4, and an adjusting screw 6 is slidably arranged inside the supporting column 4, and a rotating piece 5 is rotatably connected to the top of the supporting column 4, and both sides of the bottom end of the adjusting screw 6 are fixedly connected to a limiting block 7, and the two limiting blocks 7 are slidably connected to the inside of the supporting column 4, and the end of the adjusting screw 6 away from the limiting block 7 is fixedly connected to a supporting plate 8, and a rotating ring 9 is rotatably connected on the side wall of the supporting plate 8, and a supporting rod 10 is fixedly connected on the side wall of the rotating ring 9, and both sides of the end of the supporting rod 10 away from the rotating ring 9 are fixedly connected to a mounting plate 11, and a supporting wheel 12 is rotatably connected between the two mounting plates 11; in this device, When in use, first fix the mounting block 1 on the side wall of the machine tool through the two locking bolts 16 on the side walls at both ends of the mounting block 1, then move the slider 3 to a suitable position to support the chain, then rotate the rotating piece 5 on the supporting mechanism, and through the threaded connection between the rotating piece 5 and the adjusting screw 6, drive the adjusting screw 6 to retract, drive the supporting plate 8 and the supporting wheel 12, so that the supporting wheel 12 can be directly under the chain, which is convenient for the supporting wheel 12 to tension and support the chain, then rotate the rotating ring 9 through the support rod 10, so that the supporting wheel 12 is adjusted to a suitable position to support the chain, and the position of the rotating ring 9 is fixed by the fixing stud 13. When the rotating piece 5 rotates, the adjusting screw 6 cannot rotate under the action of the limit block 7, and the adjusting screw 6 is limited to ensure the extension and retraction of the adjusting bolt. The distance between the support wheel 12 and the side wall of the machine tool can be adjusted by this device, thereby improving the versatility of the device.

[0029] In this embodiment, preferably, the two slide grooves 2 are rotatably connected to the inside thereof with ball screws 14, and the two ball screws 14 are respectively threadedly connected to the two sliders 3, and the thread directions of the two ball screws 14 are opposite; when the supporting position of the chain needs to be changed, the sliders 3 are driven to move by rotating the two ball screws 14, so that the supporting position of the chain by the support wheel 12 is changed.

[0030] In this embodiment, preferably, a rotating tooth plate 15 is rotatably connected to the side wall of the mounting block 1, and the rotating tooth plate 15 is arranged between the two slide grooves 2, and the two side walls of the rotating tooth plate 15 are respectively fixedly connected to one end of the two ball screws 14; the two ball screws 14 are driven to rotate by the rotating tooth plate 15, so as to facilitate the adjustment of the position of the slider 3.

[0031] In this embodiment, preferably, a plurality of grooves 17 are provided on the side wall of the rotating piece 5 ; the plurality of grooves 17 provided on the side wall of the rotating piece 5 increase the fulcrum points of the device, so as to facilitate the rotation of the rotating piece 5 .

[0032] In this embodiment, preferably, a fixing stud 13 is threadedly connected on the side wall of the rotating ring 9 away from the support rod 10, and one end of the fixing stud 13 passes through the rotating ring 9 and contacts the inner wall of the support plate 8; after the support wheel 12 is adjusted to an appropriate position, the fixing stud 13 is rotated so that one end of the fixing stud 13 continues to penetrate into the interior of the rotating ring 9, and when the fixing stud 13 squeezes the support plate 8, the fixing of the rotating ring 9 is completed.

[0033] In this embodiment, preferably, locking bolts 16 are threadedly connected to the side walls at both ends of the mounting block 1, and one end of the two locking bolts 16 passes through the side wall of the mounting block 1; the mounting block 1 is fixedly mounted on the side wall of the machine tool by the two locking bolts 16, and the chain is supported at the position of the adjusting support wheel 12, and the tension of the chain is adjusted according to the usage scenario.

[0034] Working principle: When the device is used, the mounting block 1 is first fixedly mounted on the side wall of the machine tool through the two locking bolts 16 on the side walls at both ends of the mounting block 1, and then the slider 3 is moved to a suitable position to support the chain, and then the rotating piece 5 on the supporting mechanism is rotated, and the adjusting screw 6 is driven to retract and extend through the threaded connection between the rotating piece 5 and the adjusting screw 6, driving the supporting plate 8 and the supporting wheel 12, so that the supporting wheel 12 can be directly below the chain, which is convenient for the supporting wheel 12 to tension and support the chain, and then the rotating ring 9 is rotated through the support rod 10 so that the supporting wheel 12 is adjusted to a suitable position to support the chain, and the position of the rotating ring 9 is fixed by the fixing stud 13. When the rotating piece 5 rotates, the adjusting screw 6 cannot rotate under the action of the limit block 7, and the adjusting screw 6 is limited to ensure the extension and retraction of the adjusting bolt. The distance between the support wheel 12 and the side wall of the machine tool can be adjusted through the device, thereby improving the versatility of the device.

[0035] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A split tensioning device, comprising a mounting block (1), characterized in that: Both ends of the side wall of the mounting block (1) are provided with a slide groove (2), and a slider (3) is slidably connected inside the two slide grooves (2). A support mechanism is arranged on the side wall of the slider (3), and the support mechanism comprises a support column (4), an adjusting screw (6) is slidably arranged inside the support column (4), a rotating plate (5) is rotatably connected to the top of the support column (4), both sides of the bottom end of the adjusting screw (6) are fixedly connected to a limiting block (7), and the two limiting blocks (7) are slidably connected inside the support column (4), and the end of the adjusting screw (6) away from the limiting block (7) is fixedly connected to a supporting plate (8), and a rotating ring (9) is rotatably connected on the side wall of the supporting plate (8), and a supporting rod (10) is fixedly connected on the side wall of the rotating ring (9), and both sides of the end of the support rod (10) away from the rotating ring (9) are fixedly connected to a mounting plate (11), and a supporting wheel (12) is rotatably connected between the two mounting plates (11).

2. A split type tensioning device according to claim 1, characterized in that: The insides of the two slide grooves (2) are both rotatably connected with ball screws (14), and the two ball screws (14) are respectively threadedly connected to the two sliders (3), and the thread directions of the two ball screws (14) are opposite.

3. A split type tensioning device according to claim 2, characterized in that: A rotating tooth piece (15) is rotatably connected to the side wall of the mounting block (1), and the rotating tooth piece (15) is arranged between the two sliding grooves (2). The two side walls of the rotating tooth piece (15) are respectively fixedly connected to one end of the two ball screws (14).

4. A split type tensioning device according to claim 2, characterized in that: A plurality of grooves (17) are provided on the side wall of the rotating piece (5).

5. A split type tensioning device according to claim 2, characterized in that: A fixing stud (13) is threadedly connected to the side wall of the rotating ring (9) away from the supporting rod (10), and one end of the fixing stud (13) passes through the rotating ring (9) and contacts the inner wall of the supporting plate (8).

6. A split type tensioning device according to claim 2, characterized in that: The side walls at both ends of the mounting block (1) are threadedly connected with locking bolts (16), and one end of the two locking bolts (16) passes through the side wall of the mounting block (1).

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