Synchronous belt tensioning structure

Abstract

The utility model is applicable to the field of tensioning, and provides a synchronous belt tensioning structure which is applied to a reciprocating motion device, a synchronous belt is provided with an opening, and the synchronous belt tensioning structure comprises a tensioning seat, a tensioning block, a tensioning block and a tensioning block, the pressing plate and the tensioning plate are arranged on the two sides of the opening respectively and located on the side, away from the tensioning base, of the synchronous belt, the pressing plate and the tensioning plate are both matched with the synchronous belt, the pressing plate is fixedly connected with the tensioning base, and the tensioning plate is detachably connected and fixed with the tensioning base; and the tensioning piece sequentially penetrates through the pressing plate and the tensioning plate, and the tensioning piece is used for adjusting the distance between the pressing plate and the tensioning plate so as to adjust the size of the opening of the synchronous belt. The synchronous belt is suitable for the scene that the synchronous belt wheel cannot move, the synchronous belt with the opening is more beneficial to installation, a tensioning structure can be arranged to tension the synchronous belt while the opening is connected, the structure is simplified, the cost is reduced, no extra space is occupied, and structural miniaturization can be achieved.

Description

Technical Field

[0001] The utility model belongs to the field of belt tensioning, and in particular relates to a synchronous belt tensioning structure. Background Art

[0002] The tensioning structure is a key component used in mechanical equipment to ensure the stability and efficiency of the synchronous belt transmission system. It is mainly used to adjust and maintain the appropriate tension of the synchronous belt to achieve the best transmission performance. In the structure of the reciprocating motion of the synchronous belt transmission required in the inkjet printing industry, the tensioning structure on the equipment on the market mostly moves one of the synchronous belt pulleys to ensure the tension state of the synchronous belt. This tensioning structure has a defect: this tensioning structure achieves the purpose of tensioning by adjusting the position of the synchronous belt pulley left and right. The movement of the synchronous belt pulley requires the setting of a corresponding auxiliary structure, which increases the complexity of the structure, resulting in a cumbersome structure and high cost. In addition, it is also necessary to provide movable space for the synchronous belt pulley, resulting in large space occupation, which is not conducive to the miniaturization of the structure. Utility Model Content

[0003] The synchronous belt tensioning structure provided by the utility model aims to solve the problems of complex structure, high cost and large space occupation in the prior art.

[0004] The utility model is implemented as follows: a synchronous belt tensioning structure is applied to a reciprocating device, the synchronous belt has an opening, and the synchronous belt tensioning structure comprises:

[0005] A tensioning seat, arranged on one side of the synchronous belt and located at the opening of the synchronous belt;

[0006] A pressure plate and a tensioning plate are respectively arranged on both sides of the opening and are located on the side of the synchronous belt away from the tensioning seat. Both the pressure plate and the tensioning plate cooperate with the synchronous belt. The pressure plate is connected and fixed to the tensioning seat, and the tensioning plate is detachably connected and fixed to the tensioning seat.

[0007] A tensioning member is sequentially arranged through the pressing plate and the tensioning plate, and the tensioning member is used to adjust the distance between the pressing plate and the tensioning plate to adjust the size of the synchronous belt opening.

[0008] Furthermore, the synchronous belt is a toothed synchronous belt, and a first tooth is provided on a side of the pressure plate facing the toothed surface of the toothed synchronous belt, and the first tooth is meshed with the toothed surface.

[0009] Furthermore, the synchronous belt is a toothed synchronous belt, and the tensioning plate is provided with second teeth on a side of a toothed surface of the toothed synchronous belt facing the toothed synchronous belt, and the second teeth are meshed with the toothed surface.

[0010] Furthermore, the tensioning member is a screw rod, which is sequentially passed through the pressure plate and the tensioning plate and is threadedly connected to the two.

[0011] Further, the pressure plate is provided with a first connecting portion, the tensioning plate is provided with a second connecting portion, and the tensioning member connects the first connecting portion and the second connecting portion.

[0012] Furthermore, the synchronous belt tensioning structure also includes a first connecting member, a strip hole is provided on the tensioning plate, the strip hole extends along the length direction of the synchronous belt, the first connecting member passes through the strip hole and is detachably connected and fixed to the tensioning seat, and the first connecting member can move in the strip hole.

[0013] Furthermore, there are at least two strip-shaped holes, and at least two strip-shaped holes are disposed on opposite sides of the synchronous belt.

[0014] Furthermore, the synchronous belt tensioning structure also includes at least two second connecting members, at least two of which pass through the pressure plate and are connected and fixed to the tensioning seat, and at least two are arranged on opposite sides of the synchronous belt.

[0015] Furthermore, the tensioning seat is provided with a groove for accommodating the synchronous belt.

[0016] The beneficial effect achieved by the utility model is that a pressure plate and a tensioning plate are arranged on both sides of the opening of the synchronous belt, and the pressure plate and the tensioning plate are connected by a tensioning member. The tensioning member can adjust the distance between the pressure plate and the tensioning plate so that the tensioning plate drives the synchronous movement matched therewith, and then adjusts the size of the synchronous belt opening to achieve the tensioning of the synchronous belt. A tensioning seat is arranged on the other side of the synchronous belt to fix the pressure plate and the tensioning plate after the position is adjusted on the tensioning seat, so as to achieve the fixation of the tensioning plate and the pressure plate after adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a synchronous belt tensioning structure provided by the utility model;

[0018] Figure 2 It is a partial structural decomposition diagram of a tensioning dismissal provided by the utility model.

[0019] Description of Figure Numbers:

[0020] 1. Tensioning seat; 11. Groove; 2. Pressing plate; 21. First tooth; 22. First connecting part; 3. Tensioning plate; 31. Second tooth; 32. Strip hole; 33. Second connecting part; 4. Tensioning member; 5. First connecting member; 6. Second connecting member; 10. Synchronous belt; 101. Opening; 102. Toothed surface; 20. Synchronous pulley. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] See also Figure 1-Figure 2 The utility model discloses a synchronous belt tensioning structure, which is applied to a reciprocating device, such as but not limited to a printing carriage of a digital printing device. The printing carriage reciprocates during printing, and the printing carriage is linked with a synchronous belt 10, and the synchronous belt 10 drives the printing carriage to reciprocate. The synchronous belt 10 has an opening 101, and the synchronous belt is wound around two synchronous belt pulleys 20. The synchronous belt 10 with the opening 101 is used to facilitate the installation of the synchronous belt 10 when the synchronous belt pulley 20 is fixed and cannot be moved. The synchronous belt tensioning structure includes a tensioning seat 1, a pressure plate 2, a tensioning plate 3, and a tensioning member 4. Among them, the tensioning seat 1 is arranged on one side of the synchronous belt 10 and is located at the opening 101 of the synchronous belt 10, so as to fix the pressure plate 2 and the tensioning plate 3 on the tensioning seat 1, the pressure plate 2 and the tensioning plate 3 are respectively arranged on both sides of the opening 101 and are located on the side of the synchronous belt 10 away from the tensioning seat 1, the pressure plate 2 and the tensioning plate 3 are both cooperated with the synchronous belt 10 to install the synchronous belt 10 with the pressure plate 2 and the tensioning plate 3, the pressure plate 2 is connected and fixed to the tensioning seat 1, and the tensioning plate 3 is detachably fixed to the tensioning seat 1, so that when the spacing between the pressure plate 2 and the tensioning plate 3 is subsequently adjusted by the tensioning member 4, the restriction of the tensioning seat 1 on the tensioning plate 3 can be released, the tensioning member 4 is sequentially penetrated by the pressure plate 2 and the tensioning plate 3, and the tensioning member 4 is used to adjust the spacing between the pressure plate 2 and the tensioning plate 3 to adjust the size of the opening 101 of the synchronous belt 10.

[0023] By arranging a pressure plate 2 and a tensioning plate 3 on both sides of the opening 101 of the synchronous belt 10, and then connecting the pressure plate and the tensioning plate 3 through a tensioning member 4, the tensioning member 4 can adjust the distance between the pressure plate 2 and the tensioning plate 3 so that the tensioning plate 3 drives the synchronous movement matched therewith, and then adjust the size of the opening 101 of the synchronous belt 10 to achieve the tensioning of the synchronous belt 10, and a tensioning seat 1 is set on the other side of the synchronous belt 10 to fix the pressure plate 2 and the tensioning plate 3 after the position is adjusted on the tensioning seat 1, so as to achieve the fixation of the tensioning plate 3 and the pressure plate 2 after adjustment.

[0024] The tensioning structure of the synchronous belt 10 provided by the utility model is suitable for scenarios where the synchronous belt pulley 20 cannot move. The synchronous belt 10 with the opening 101 is more conducive to installation. While connecting the opening 101, a tensioning structure can also be set to tension the synchronous belt 10, thereby simplifying the structure, reducing costs, and not taking up extra space, thereby achieving miniaturization of the structure.

[0025] See also Figure 2Furthermore, the synchronous belt 10 is a toothed synchronous belt, and the first teeth 21 are provided on the side of the pressure plate 2 facing the toothed surface 102 of the toothed synchronous belt, and the first teeth 21 mesh with the toothed surface 102. In this way, by providing the first teeth 21 meshing with the toothed surface 102 on the pressure plate 2, it is possible to prevent the pressure plate 2 and the synchronous belt 10 from slipping and causing the synchronous belt 10 to detach from the pressure plate.

[0026] See also Figure 2 Furthermore, the synchronous belt 10 is a toothed synchronous belt 10, and the tensioning plate 3 is provided with a second tooth 31 on the side of the toothed surface 102 of the synchronous belt 10, and the second tooth 31 meshes with the toothed surface 102. In this way, by providing the second tooth 31 meshing with the toothed surface 102 on the tensioning plate 3, the toothed surface on the synchronous belt can be effectively used to cooperate with the tensioning plate, so that the tensioning plate can drive the synchronous belt to move, and the pressure plate 2 and the synchronous belt 10 can be prevented from slipping and disengaging.

[0027] See also Figure 1-Figure 2 Furthermore, the tensioning member 4 is a screw rod, which passes through the pressure plate 2 and the tensioning plate 3 in sequence and is threadedly connected to the two. In this way, by rotating the screw rod, the distance between the pressure plate 2 and the tensioning plate 3 can be adjusted, thereby achieving the tensioning of the synchronous belt 10.

[0028] See also Figure 2 Further, the pressing plate 2 is provided with a first connection portion 22, the tensioning plate 3 is provided with a second connection portion 33, and the tensioning member 4 is connected to the first connection portion 22 and the second connection portion 33, that is, when the tensioning member 4 is a screw, the tensioning member 4 can pass through the first connection portion 22 and the second connection portion 33 and be threadedly connected to the two. In this way, by providing the first connection portion 22 and the second connection portion 33, the connection between the tensioning member 4 and the pressing plate 2 and the tensioning plate 3 is facilitated.

[0029] See also Figure 2 Furthermore, the synchronous belt tensioning structure further includes a first connecting member 5, a strip hole 32 is provided on the tensioning plate 3, the strip hole 32 extends along the length direction of the synchronous belt 10, the first connecting member 5 passes through the strip hole 32 and is detachably connected and fixed to the tensioning seat 1, and the first connecting member 5 can move in the strip hole 32. In this way, the first connecting member 5 can be provided to facilitate locking and fixing the tensioning plate 3 and the tensioning seat 1 after adjusting the spacing between the pressure plate 2 and the tensioning plate 3, and the strip hole 32 can facilitate the movement and adjustment of the pressure plate 2.

[0030] In this example, the first connecting member 5 can be, but is not limited to, a bolt, and the tensioning plate 3 is provided with a threaded hole corresponding to the bolt.

[0031] See also Figure 2Furthermore, there are at least two strip holes 32, and at least two strip holes 32 are arranged on opposite sides of the synchronous belt 10, that is, when the first connecting member 5 is penetrated by the strip holes 32 and connected with the tensioning seat 1, it will not pass through the synchronous belt 10, so as to avoid affecting the service life of the synchronous belt 10. In this embodiment, there are four strip holes 32, and the four strip holes 32 are distributed on opposite sides of the synchronous belt 10, and two strip holes 32 are arranged on each side, so as to improve the connection stability between the tensioning plate 3 and the tensioning seat 1.

[0032] See also Figure 2 Furthermore, the tensioning structure of the synchronous belt 10 further includes a second connecting member 6, which passes through the pressing plate 2 and is connected and fixed to the tensioning seat 1. The second connecting members 6 are distributed on opposite sides of the synchronous belt 10, so that the pressing plate 2 and the tensioning seat 1 can be connected and fixed by the second connecting members 6 and avoid passing through the synchronous belt 10. Specifically, four second connecting members 6 can be provided, and the four second connecting members 6 are distributed on opposite sides of the synchronous belt 10, and two second connecting members 6 are provided on each side, so as to improve the connection stability between the pressing plate 2 and the tensioning plate 3.

[0033] In this embodiment, the second connecting member 6 can be, but is not limited to, a bolt, and the tensioning seat is provided with a threaded hole corresponding to the bolt.

[0034] See also Figure 2 Furthermore, a groove 11 for accommodating the synchronous belt 10 is provided on the tensioning seat 1. During installation, the synchronous belt 10 is passed through the groove 11, so that the groove 11 can limit the synchronous belt 10 and prevent the synchronous belt 10 from slipping off the tensioning plate 3.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A synchronous belt tensioning structure, applied to a reciprocating motion device, characterized in that: The synchronous belt has an opening, and the synchronous belt tensioning structure comprises: A tensioning seat, arranged on one side of the synchronous belt and located at the opening of the synchronous belt; A pressure plate and a tensioning plate are respectively arranged on both sides of the opening and are located on the side of the synchronous belt away from the tensioning seat. Both the pressure plate and the tensioning plate cooperate with the synchronous belt. The pressure plate is connected and fixed to the tensioning seat, and the tensioning plate is detachably connected and fixed to the tensioning seat. A tensioning member is sequentially arranged through the pressing plate and the tensioning plate, and the tensioning member is used to adjust the distance between the pressing plate and the tensioning plate to adjust the size of the synchronous belt opening.

2. The synchronous belt tensioning structure according to claim 1, characterized in that: The synchronous belt is a toothed synchronous belt, and the pressure plate is provided with a first tooth on a side of the toothed surface of the toothed synchronous belt facing the first tooth, and the first tooth is meshed with the toothed surface.

3. The synchronous belt tensioning structure according to claim 1, characterized in that: The synchronous belt is a toothed synchronous belt, and the tensioning plate is provided with second teeth on a side of a toothed surface facing the toothed synchronous belt, and the second teeth are meshed with the toothed surface.

4. The synchronous belt tensioning structure according to claim 1, characterized in that: The tensioning member is a screw rod, which is sequentially passed through the pressing plate and the tensioning plate and is threadedly connected with the two.

5. The synchronous belt tensioning structure according to claim 1 or 4, characterized in that: The pressing plate is provided with a first connecting portion, the tensioning plate is provided with a second connecting portion, and the tensioning member connects the first connecting portion and the second connecting portion.

6. The synchronous belt tensioning structure according to claim 1, characterized in that: The synchronous belt tensioning structure also includes a first connecting member, a strip hole is provided on the tensioning plate, the strip hole extends along the length direction of the synchronous belt, the first connecting member passes through the strip hole and is detachably connected and fixed to the tensioning seat, and the first connecting member can move in the strip hole.

7. The synchronous belt tensioning structure according to claim 6, characterized in that: There are at least two strip-shaped holes, and at least two strip-shaped holes are arranged on two opposite sides of the synchronous belt.

8. The synchronous belt tensioning structure according to claim 1, characterized in that: The synchronous belt tensioning structure also includes at least two second connecting members, at least two of which pass through the pressure plate and are connected and fixed to the tensioning seat, and at least two of which are arranged on opposite sides of the synchronous belt.

9. The synchronous belt tensioning structure according to claim 1, characterized in that: The tensioning seat is provided with a groove for accommodating the synchronous belt.

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