Rotating mechanism of guide wheel

Abstract

The utility model provides a rotating mechanism of a guide wheel. The rotating mechanism comprises an outer shell, a transmission gear, a driving gear, a rotating disc body, a guide roller, a hollow shaft body and a power part, the hollow shaft body is rotationally arranged in the outer shell; the hollow shaft body is sleeved with the transmission gear and the rotating disc body, the driving gear is arranged in the outer shell, an output shaft of the power part penetrates through the outer shell and is connected with the driving gear, and the transmission gear is meshed with the driving gear; an annular guide rail is arranged on the rotating disc body in the circumferential direction, and the guide roller is rotationally arranged in the outer shell and makes contact with the annular guide rail in a rolling mode. The utility model has the advantages that on one hand, the guide wheel can be driven to rotate and swing stably, and on the other hand, notches can be conveniently formed in the transmission gear and the rotating disc body, so that the closed-loop rope saw blade can be conveniently mounted on site.

Description

[Technical field]

[0001] The utility model relates to the technical field of rope saw cutting machines, in particular to a rotating mechanism of a guide wheel. [Background technology]

[0002] The guide wheel is an important component of the rope saw cutting machine. In order to meet the processing requirements of the arc structure, the Chinese utility model patent with application number CN202223013911.7 discloses a rotation and swinging device of the rope saw, including a fixed seat body, a lateral movement mechanism arranged on the fixed seat body, a movable seat body connected to the movable end of the lateral movement mechanism, a guide wheel assembly rotatably arranged on the movable seat body, and a rotation and swinging mechanism connected to the guide wheel assembly, and the guide wheel assembly is driven to rotate and swing by the rotation and swinging mechanism; when the rotation and swinging mechanism is working, it can use the lateral movement mechanism to drive the guide wheel assembly to move laterally so that the rope saw blade is stressed in a better state, and can also use the rotation and swinging mechanism to drive the guide wheel assembly to rotate and swing, so that the rope saw blade can realize the processing of the arc structure. However, the guide wheel assembly of the above-mentioned existing rotating and swinging mechanism adopts a rotating shaft and a bearing to be rotatably assembled with a movable seat body, and it is difficult to open a notch along the side wall of the bearing, which is not conducive to the on-site installation of the closed-loop rope saw blade. Therefore, it is urgently necessary to provide a rotating mechanism that can ensure that the guide wheel can rotate and swing stably and can easily open a notch to install the closed-loop rope saw blade. [Contents of the utility model]

[0003] The technical problem to be solved by the utility model is to provide a rotation mechanism of a guide wheel, through which the guide wheel can be ensured to rotate and swing stably, and a gap can be conveniently opened to realize the installation of a closed-loop rope saw blade.

[0004] The utility model is implemented as follows: a rotating mechanism of a guide wheel comprises an outer shell, a transmission gear, a driving gear, a rotating disc, a guide roller, a hollow shaft body and a power unit;

[0005] The hollow shaft body is rotatably arranged in the outer shell; the transmission gear and the rotating disk body are both sleeved on the hollow shaft body, the driving gear is arranged in the outer shell, the output shaft of the power unit passes through the outer shell and is connected with the driving gear, and the transmission gear is meshed with the driving gear; the rotating disk body is provided with an annular guide rail around the circumferential direction, the guide roller is rotatably arranged in the outer shell, and the guide roller is in rolling contact with the annular guide rail.

[0006] Furthermore, the guide rollers are rotatably arranged in the outer shell at the top and bottom positions corresponding to the rotating disk.

[0007] Furthermore, the guide rollers are rotatably provided in the outer shell on both sides corresponding to the top of the rotating disk, and the guide rollers are rotatably provided in the outer shell on both sides corresponding to the bottom of the rotating disk.

[0008] Furthermore, the guide roller is a V-shaped roller.

[0009] Furthermore, the outer diameter of the transmission gear is smaller than the outer diameter of the rotating disk.

[0010] Furthermore, the transmission gear is locked and connected to the rotating disc body.

[0011] Furthermore, a first assembly shaft hole is provided through the middle position of the transmission gear, and a first assembly concave ring is provided around the first assembly shaft hole on the side of the transmission gear facing the rotating disk body, and a positioning convex ring matching the first assembly concave ring is provided on the side of the rotating disk body facing the transmission gear.

[0012] Furthermore, a second assembly shaft hole is provided through the middle position of the rotating disk body, and a second assembly concave ring is provided around the second assembly shaft hole on the side of the rotating disk body facing away from the transmission gear, and a first connecting piece matching the second assembly concave ring is provided in a circumferential direction at one end of the hollow shaft body, and the first connecting piece is locked in the second assembly concave ring.

[0013] Furthermore, the outer shell includes a supporting main board, an upper cover body, a lower cover body, a front end sealing plate and a side dust cover;

[0014] The upper cover body and the lower cover body are both detachably connected to the supporting main board, a first opening is left between the upper cover body and the lower cover body on the front end surface, and a second opening is formed between the upper cover body and the lower cover body on the side facing away from the supporting main board; the front end sealing plate seals the first opening, and the front end sealing plate is detachably connected to the upper cover body and the lower cover body; the side dust cover is detachably connected to the rotating disk body, and the second opening is sealed by the side dust cover.

[0015] Furthermore, the side dust cover includes an annular main body, the outer surface of the annular main body is attached to the wall of the second opening, one end of the annular main body is extended inward to provide a second connecting piece, the second connecting piece is locked and connected to the edge of a side of the rotating disk body facing away from the transmission gear, and the other end of the annular main body is extended outward to provide a dustproof baffle, the dustproof baffle is adjacent to or attached to a side of the upper cover body and the lower cover body facing away from the support main board.

[0016] By adopting the technical solution of the utility model, at least the following beneficial effects are achieved:

[0017] 1. The rotating mechanism is designed to include a hollow shaft body rotatably arranged in an outer shell, a transmission gear and a rotating disk body sleeved on the hollow shaft body, and an annular guide rail is arranged on the rotating disk body around the circumferential direction, and a guide roller that is rotatably arranged in the outer shell and in rolling contact with the annular guide rail is rotatably arranged, so that in specific use, on the one hand, the guide wheel can be driven to rotate and swing stably under the guidance of the guide roller and the annular guide rail, and on the other hand, the guide roller and the annular guide rail are used to replace the traditional bearing structure, so that the transmission gear and the rotating disk body can be conveniently opened. Notches, which is conducive to the on-site installation of the closed-loop rope saw blade.

[0018] 2. The entire outer shell is designed to include a supporting main board, an upper cover body, a lower cover body, a front end sealing plate and a side dust cover, and the upper cover body and the lower cover body are detachably connected to the supporting main board, so that the upper cover body and the lower cover body can be conveniently disassembled and assembled during use, thereby facilitating the installation of a rotating disk body, a transmission gear, etc.; at the same time, a first opening is formed on the front end surface between the upper cover body and the lower cover body, and the front end sealing plate is detachably installed on the first opening, so that when a notch is opened on the transmission gear and the rotating disk body, the front end sealing plate can be removed to expose the notch, thereby facilitating the installation of a closed-loop rope saw blade; in addition, a side dust cover is provided for the second opening to prevent dust and other impurities from entering the interior of the outer shell.

Brief Description of the Drawings

[0019] The present invention will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

[0020] Figure 1 It is a structural diagram of the rotating mechanism of the guide wheel of the utility model;

[0021] Figure 2 It is a structural diagram of the rotating mechanism of the guide wheel of the utility model after removing the outer shell;

[0022] Figure 3 It is one of the overall assembly drawings of the outer shell of the utility model;

[0023] Figure 4 This is the second overall assembly drawing of the outer shell of the utility model;

[0024] Figure 5 This is a structural diagram of the outer shell of the utility model after removing the front end sealing plate;

[0025] Figure 6 It is a structural diagram of the transmission gear of the utility model;

[0026] Figure 7 It is a structural diagram of one side of the rotating disk body of the utility model having a second mounting concave ring;

[0027] Figure 8This is a structural diagram of one side of the rotating disk body of the utility model having a positioning convex ring;

[0028] Fig. 9 It is a structural diagram of the hollow shaft body of the utility model;

[0029] Fig.10 This is a structural diagram of the side dust cover of the utility model;

[0030] Fig.11 It is a structural diagram of the rotating mechanism of the guide wheel of the utility model when it is connected to the power unit.

[0031] Description of reference numerals:

[0032] Rotating mechanism 100;

[0033] Guide wheel 200;

[0034] Outer shell 1, supporting main board 11, upper cover 12, lower cover 13, front end sealing plate 14, side dust cover 15, annular body 151, second connecting piece 152, dustproof baffle 153, first opening 16;

[0035] Transmission gear 2, first assembly shaft hole 21, first assembly concave ring 22, second notch 23, gear block 24;

[0036] Driving gear 3;

[0037] Rotating disc body 4, annular guide rail 41, positioning convex ring 42, second assembly shaft hole 43, second assembly concave ring 44, third notch 45, connecting block 46;

[0038] Guide roller 5;

[0039] Hollow shaft 6, first connecting piece 61, first notch 62;

[0040] Power unit 7, output shaft 71. [Specific implementation method]

[0041] In order to better understand the technical solution of the present utility model, the technical solution of the present utility model will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0042] It should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing these embodiments and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. In addition, the terms "first", "second", etc., etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features.

[0043] See also Figures 1 to 11 As shown, a preferred embodiment of a rotating mechanism 100 of a guide wheel 200 of the utility model, the rotating mechanism 100 comprises an outer shell 1, a transmission gear 2, a driving gear 3, a rotating disk body 4, a guide roller 5, a hollow shaft body 6 and a power unit 7; wherein the outer shell 1 is used to protect and support the transmission gear 2, the driving gear 3, the rotating disk body 4, the guide roller 5 and the hollow shaft body 6; the transmission gear 2 is used to drive the rotating disk body 4 and the hollow shaft body 6 to rotate; the driving gear 3 is used to drive the transmission gear 2 to rotate; the rotating disk body 4 is used to drive the guide wheel 200 to rotate; the guide roller 5 is used to guide the rotation of the rotating disk body 4 to ensure the stability of the rotating disk body 4 during rotation; the hollow shaft body 6 is used to realize the rotation function; the power unit 7 is used to provide rotational power for the driving gear 3, and the power unit 7 can adopt a motor.

[0044] The hollow shaft body 6 is rotatably arranged in the outer shell 1; the transmission gear 2 and the rotating disk body 4 are both sleeved on the hollow shaft body 6, so that the hollow shaft body 6, the transmission gear 2 and the rotating disk body 4 can rotate together, the driving gear 3 is arranged in the outer shell 1, the output shaft 71 of the power unit 7 passes through the outer shell 1 and is connected to the driving gear 3, the transmission gear 2 is meshed with the driving gear 3, so that the driving gear 3 can drive the transmission gear 2 to rotate; the rotating disk body 4 is provided with an annular guide rail 41 around the circumferential direction, the guide roller 5 is rotatably arranged in the outer shell 1, and the guide roller 5 is in rolling contact with the annular guide rail 41. When the utility model is implemented, it is necessary to install the guide wheel 200 on the side of the rotating disk body 4 facing away from the transmission gear 2. When working, the driving gear 3 is driven to rotate by the power unit 7. When the driving gear 3 rotates, it can drive the transmission gear 2, the hollow shaft body 6 and the rotating disk body 4 to rotate together. Since the guide wheel 200 is installed on the rotating disk body 4, the rotating disk body 4 can drive the guide wheel 200 to rotate when it rotates.

[0045] The utility model designs a rotating mechanism 100 including a hollow shaft body 6 rotatably arranged in an outer shell 1, a transmission gear 2 and a rotating disk body 4 sleeved on the hollow shaft body 6, and at the same time, an annular guide rail 41 is arranged on the rotating disk body 4 around the circumferential direction, and a guide roller 5 that is rotatably arranged in the outer shell 1 and in rolling contact with the annular guide rail 41 is rotatably arranged, so that when it is used specifically, on the one hand, the guide wheel 200 can be driven to rotate and swing stably under the guidance of the guide roller 5 and the annular guide rail 41, and on the other hand, the guide roller 5 and the annular guide rail 41 are used to replace the traditional bearing structure, so that the transmission gear 2 and the rotating disk body 4 can be easily opened. Notches are thereby facilitated to achieve on-site installation of the closed-loop rope saw blade. For example, when the utility model is implemented, a first notch 62 can be opened on the hollow shaft body 6 along the length direction, a second notch 23 connected to the first notch 62 can be opened on the transmission gear 2, and a tooth block 24 can be embedded in the second notch 23. At the same time, a third notch 45 connected to the first notch 62 can be opened on the rotating disk body 4, and a connecting block 46 can be embedded in the third notch 45, and the tooth block 24 and the connecting block 46 can be locked and connected together. In this way, when the closed-loop rope saw blade needs to be installed, the tooth block 24 and the connecting block 46 can be removed, so that the closed-loop rope saw blade can be installed in the hollow shaft body 6 by using the first notch 62, the second notch 23 and the third notch 45.

[0046] In the preferred embodiment of the present utility model, please refer to Figure 2 As shown, the guide rollers 5 are rotatably arranged in the outer shell 1 at the top and bottom positions corresponding to the rotating disk body 4. By arranging the guide rollers 5 at the top and bottom positions of the rotating disk body 4, on the one hand, the rotating disk body 4 can be better guided to ensure the stability of the rotation of the rotating disk body 4; on the other hand, the notch opened by the transmission gear 2 and the rotating disk body 4 can be conveniently rotated between the upper and lower guide rollers 5, so that the guide rollers 5 will not affect the installation of the closed-loop wire saw blade.

[0047] Furthermore, the guide rollers 5 are rotatably provided on both sides of the top of the outer shell 1 corresponding to the rotating disk body 4 (specifically the front and rear sides), and the guide rollers 5 are rotatably provided on both sides of the bottom of the outer shell 1 corresponding to the rotating disk body 4 (specifically the front and rear sides), so as to better guide the rotating disk body 4 to rotate smoothly without shaking.

[0048] As a preferred embodiment of the present invention, the guide roller 5 is a V-shaped roller.

[0049] In a preferred embodiment of the present invention, the outer diameter of the transmission gear 2 is smaller than the outer diameter of the rotating disk 4, which can ensure that the guide roller 5 will not interfere with the transmission gear 2, so that the transmission gear 2 can reliably drive the hollow shaft 6 and the rotating disk 4 to rotate.

[0050] In a preferred embodiment of the present utility model, the transmission gear 2 is locked and connected with the rotating disk body 4, that is, the transmission gear 2 and the rotating disk body 4 are combined into a whole, which can make the structure more compact and enable the transmission gear 2 and the rotating disk body 4 to rotate synchronously.

[0051] In the preferred embodiment of the present utility model, please refer to Figure 6 and Figure 8 As shown, a first assembly shaft hole 21 is provided through the middle position of the transmission gear 2, so that the transmission gear 2 can be sleeved on the hollow shaft body 6 by means of the first assembly shaft hole 21; the transmission gear 2 is provided with a first assembly concave ring 22 around the first assembly shaft hole 21 on the side facing the rotating disk body 4, and the rotating disk body 4 is provided with a positioning convex ring 42 matching the first assembly concave ring 22 on the side facing the transmission gear 2. During the specific installation, it is necessary to position the positioning convex ring 42 of the rotating disk body 4 into the first assembly concave ring 22 of the transmission gear 2, and lock the rotating disk body 4 and the transmission gear 2 together, so that the rotating disk body 4 can be reliably combined with the transmission gear 2 to ensure that the overall structure is more compact.

[0052] In the preferred embodiment of the present utility model, please refer to Figure 7 and Fig. 9 As shown, a second assembly shaft hole 43 is provided through the middle position of the rotating disc body 4, and a second assembly concave ring 44 is provided around the second assembly shaft hole 43 on the side of the rotating disc body 4 facing away from the transmission gear 2. A first connecting piece 61 matching the second assembly concave ring 44 is provided around one end of the hollow shaft body 6 in the circumferential direction, and the first connecting piece 61 is locked in the second assembly concave ring 44. Because one end of the hollow shaft body 6 is locked and connected with the second assembly concave ring 44 of the rotating disc body 4 through the first connecting piece 61, and the rotating disc body 4 and the transmission gear 2 are both sleeved on the hollow shaft body 6, and the rotating disc body 4 and the transmission gear 2 are also locked and connected together, when the driving gear 3 drives the transmission gear 2 to rotate, it can well drive the rotating disc body 4, the hollow shaft body 6 and the guide wheel 200 to rotate together.

[0053] In the preferred embodiment of the present utility model, please refer to Figure 3-Figure 5 As shown, the outer shell 1 includes a supporting main board 11, an upper cover 12, a lower cover 13, a front end sealing plate 14 and a side dust cover 15;

[0054] The upper cover body 12 and the lower cover body 13 are both detachably connected to the supporting main board 11, so that the upper cover body 12 and the lower cover body 13 can be disassembled when installing the rotating disk body 4, the transmission gear 2, etc.; a first opening 16 is left between the upper cover body 12 and the lower cover body 13 on the front end surface, and a second opening (not shown) is formed between the upper cover body 12 and the lower cover body 13 on the side facing away from the supporting main board 11; the front end sealing plate 14 seals the first opening 16, and the front end sealing plate 14 is detachably connected to the upper cover body 12 and the lower cover body 13; the side dust cover 15 is detachably connected to the rotating disk body 4, and the second opening is sealed by the side dust cover 15.

[0055] The utility model designs the entire outer shell 1 to include a supporting main board 11, an upper cover body 12, a lower cover body 13, a front end sealing plate 14 and a side dust cover 15, and the upper cover body 12 and the lower cover body 13 are detachably connected to the supporting main board 11, so that the upper cover body 12 and the lower cover body 13 can be conveniently disassembled and assembled during use, thereby facilitating the installation of the rotating disk body 4, the transmission gear 2, etc.; at the same time, a first opening 16 is formed on the front end surface between the upper cover body 12 and the lower cover body 13, and the front end sealing plate 14 is detachably installed on the first opening 16, so that when a notch is formed on the transmission gear 2 and the rotating disk body 4, the front end sealing plate 14 can be removed to expose the notch, thereby facilitating the installation of a closed-loop rope saw blade; in addition, the second opening is provided with a side dust cover 15, which can prevent dust and other impurities from entering the interior of the outer shell 1.

[0056] In the preferred embodiment of the present utility model, please refer to Fig.10 As shown, the side dust cover 15 includes an annular main body 151, the outer surface of the annular main body 151 is attached to the wall of the second opening, one end of the annular main body 151 is extended inwardly to be provided with a second connecting piece 152, the second connecting piece 152 is locked and connected with the edge of a side of the rotating disk body 4 facing away from the transmission gear 2, and the other end of the annular main body 151 is extended outwardly to be provided with a dustproof baffle 153, the dustproof baffle 153 is adjacent to or attached to a side of the upper cover body 12 and the lower cover body 13 facing away from the supporting main board 11, so that it is ensured that the entire side dust cover 15 can rotate with the rotating disk body 4, and can prevent dust and other impurities from entering the internal space of the outer shell 1 and affecting the transmission gear 2 and the driving gear 3.

[0057] Although the specific implementation methods of the present invention are described above, those skilled in the art should understand that the specific embodiments described are only illustrative and are not intended to limit the scope of the present invention. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A rotating mechanism of a guide wheel, characterized in that: It includes an outer shell, a transmission gear, a driving gear, a rotating disc, a guide roller, a hollow shaft and a power unit; The hollow shaft body is rotatably arranged in the outer shell; the transmission gear and the rotating disk body are both sleeved on the hollow shaft body, the driving gear is arranged in the outer shell, the output shaft of the power unit passes through the outer shell and is connected with the driving gear, and the transmission gear is meshed with the driving gear; the rotating disk body is provided with an annular guide rail around the circumferential direction, the guide roller is rotatably arranged in the outer shell, and the guide roller is in rolling contact with the annular guide rail.

2. A guide wheel rotation mechanism as claimed in claim 1, characterized in that: The guide rollers are rotatably arranged in the outer shell at the top and bottom positions corresponding to the rotating disk.

3. A guide wheel rotation mechanism as claimed in claim 2, characterized in that: The guide rollers are rotatably arranged in the outer shell on both sides of the top corresponding to the rotating disk, and the guide rollers are rotatably arranged in the outer shell on both sides of the bottom corresponding to the rotating disk.

4. A guide wheel rotation mechanism as claimed in claim 1, characterized in that: The guide roller is a V-shaped roller.

5. A guide wheel rotation mechanism as claimed in claim 1, characterized in that: The outer diameter of the transmission gear is smaller than the outer diameter of the rotating disk.

6. A guide wheel rotation mechanism as claimed in claim 1, characterized in that: The transmission gear is locked and connected with the rotating disc body.

7. A guide wheel rotation mechanism as claimed in claim 6, characterized in that: A first assembly shaft hole is provided through the middle position of the transmission gear, a first assembly concave ring is provided around the first assembly shaft hole on the side of the transmission gear facing the rotating disk body, and a positioning convex ring matching the first assembly concave ring is provided on the side of the rotating disk body facing the transmission gear.

8. The guide wheel rotation mechanism according to claim 1, characterized in that: A second assembly shaft hole is provided through the middle position of the rotating disk body, and a second assembly concave ring is provided around the second assembly shaft hole on the side of the rotating disk body facing away from the transmission gear. A first connecting piece matching the second assembly concave ring is provided in a circumferential direction at one end of the hollow shaft body, and the first connecting piece is locked in the second assembly concave ring.

9. A guide wheel rotation mechanism as claimed in claim 1, characterized in that: The outer shell includes a supporting main board, an upper cover body, a lower cover body, a front end sealing plate and a side dust cover; The upper cover body and the lower cover body are both detachably connected to the supporting main board, a first opening is left between the upper cover body and the lower cover body on the front end surface, and a second opening is formed between the upper cover body and the lower cover body on the side facing away from the supporting main board; the front end sealing plate seals the first opening, and the front end sealing plate is detachably connected to the upper cover body and the lower cover body; the side dust cover is detachably connected to the rotating disk body, and the second opening is sealed by the side dust cover.

10. A guide wheel rotation mechanism as claimed in claim 9, characterized in that: The side dust cover includes an annular main body, the outer surface of the annular main body is attached to the wall of the second opening, one end of the annular main body is extended inward to provide a second connecting piece, the second connecting piece is locked and connected to the edge of a side of the rotating disk body facing away from the transmission gear, and the other end of the annular main body is extended outward to provide a dustproof baffle, the dustproof baffle is adjacent to or attached to the side of the upper cover body and the lower cover body facing away from the support mainboard.

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