A machine tool belt tensioning force adjustment structure

Abstract

The utility model provides a machine tool belt tensioning force adjustment structure, which relates to the technical field of belt tensioning, including a machine tool, one side of the machine tool is provided with a feeding port, and a fixed bracket is fixedly connected to the feeding port, and an adjustment structure is fixedly provided on the top of one side of the fixed bracket, one side of the fixed bracket is fixedly connected to a right-angle support plate, and a fixed convex frame is fixedly connected to the middle of the top of the fixed bracket, and a screw rod is rotatably installed between the right-angle support plate and the fixed convex frame, one end of the screw rod is fixedly connected to a turning handle, and a guide rod is provided on the top of the screw rod, and a movable belt ring is provided on the outside of the screw rod, and a threaded hole is opened in the middle of the movable belt ring. By arranging the self-tensioning structure and the adjustment structure, not only the tensioning force is automatically given to the belt when the belt is loose, but also the distance between the self-tensioning structure and the belt can be adjusted, so that the self-tensioning structure can continue to give the belt tensioning force, thereby reducing the replacement frequency of the belt.

Description

Technical Field

[0001] The utility model belongs to the technical field of belt tensioning, and more specifically, particularly relates to a tensioning force regulating structure for a machine tool belt. Background Art

[0002] Machine tools refer to machines used to manufacture machines and machinery. Machine tools can be divided into ordinary machine tools, CNC machine tools, precision machine tools, etc. Usually, machine tools need to be fed with feeding mechanisms when in use; and most of the current feeding mechanisms are driven by belts, which will become loose after long-term use, and the existing tensioning structure is difficult to further adjust according to the looseness of the belt, thereby increasing the frequency of belt replacement and reducing the practicality of the device. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the embodiments of the present disclosure relate to a machine tool belt tensioning force adjustment structure to solve the problem that the existing tensioning structure is difficult to further adjust according to the slackness of the belt and increase the replacement frequency of the belt. By setting a self-tensioning structure, a spring can provide tensioning force when the belt is slack. However, the elastic force of the spring is limited. Therefore, by setting the adjustment structure, the distance between the self-tensioning structure and the belt can be further shortened, so that the self-tensioning structure can continue to provide tensioning force to the belt and reduce the replacement frequency of the belt.

[0004] The utility model provides a machine tool belt tensioning force adjustment structure, which is achieved by the following specific technical means:

[0005] In a first aspect of the present disclosure, a machine tool belt tensioning force adjustment structure is provided, specifically comprising a machine tool;

[0006] One side of the machine tool is provided with a feed inlet, and a fixed bracket is fixedly connected to the feed inlet, and an adjustment structure is fixedly provided on the top of one side of the fixed bracket, and the adjustment structure includes a right-angle support plate, a fixed convex bracket, a screw rod, a rotating handle, a guide rod, a movable belt ring, a threaded hole, a sliding ring, a guide hole, a first hinge frame, a first shaft column, a double-headed hinge rod, a second hinge frame and a second shaft column, one side of the fixed bracket is fixedly connected with a right-angle support plate, and a fixed convex bracket is fixedly connected to the middle of the top of the fixed bracket, and a rotating device between the right-angle support plate and the fixed convex bracket is provided. A screw rod is installed, one end of the screw rod is fixedly connected to a rotating handle, and a guide rod is provided on the top of the screw rod, and a movable belt ring is provided on the outside of the screw rod, a threaded hole is opened in the middle of the movable belt ring, and a sliding ring is fixedly connected to the top of the movable belt ring, and the sliding ring is slidably installed on the guide rod through the guide hole, and a first articulated frame is fixedly connected to the bottom of the movable belt ring, and the first articulated frame is hinged to the top end of the double-headed articulated rod through a first shaft column, and the bottom end of the double-headed articulated rod is hinged to the second articulated frame through a second shaft column.

[0007] In at least some embodiments, a self-tensioning structure is provided at the bottom of the second articulated frame, and the self-tensioning structure includes a connecting support frame, an inner cavity and a square hole. The bottom of the second articulated frame is fixedly connected to a connecting support frame, and an inner cavity is provided inside the connecting support frame, and a square hole is provided on the right-angle support plate, and the connecting support frame is slidably installed in the square hole.

[0008] In at least some embodiments, the self-tensioning structure further includes a spring, an extrusion convex ring and a connecting rod. The inner cavity is provided with a spring, and the bottom of the spring is provided with an extrusion convex ring, and the bottom of the extrusion convex ring is fixedly connected to the connecting rod.

[0009] In at least some embodiments, the self-tensioning structure further includes a rotating bracket, a rotating shaft and a tensioning wheel. The bottom of the connecting rod is fixedly connected to the rotating bracket, and a rotating shaft is installed on the rotating bracket. At the same time, a tensioning wheel is rotatably installed on the outer side of the rotating shaft.

[0010] In at least some embodiments, a conveying device is provided on the fixed bracket, and the conveying device includes a first conveying roller, a second conveying roller and a conveyor belt. The first conveying roller is rotatably mounted on one end of the fixed bracket, and the second conveying roller is rotatably mounted on the other end of the fixed bracket, and the conveyor belt is rotatably mounted on the outer sides of the first conveying roller and the second conveying roller.

[0011] In at least some embodiments, a driving pulley is fixedly connected to the outer side of one end of the first conveying roller, and a driven pulley is fixedly connected to the outer side of one end of the second conveying roller. The driving pulley is rotatably connected to the driven pulley through a transmission belt. A mounting seat is fixedly connected to the bottom of one side of the fixed bracket, and a motor is fixedly installed on the top of the mounting seat, and the driving end of the motor is fixedly connected to the first conveying roller.

[0012] The utility model provides a machine tool belt tensioning force adjustment structure, which has the following beneficial effects:

[0013] 1. By setting up a self-tensioning structure and an adjusting structure, through the cooperation of a spring, an extrusion convex ring, a connecting rod, a rotating bracket, a rotating shaft and a tensioning wheel, the belt is automatically tensioned when the belt is loose. Through the cooperation of a turning handle, a screw rod, a guide rod, a movable belt ring, a sliding ring, a first hinged frame, a first shaft column, a double-headed hinged rod, a second hinged frame, a second shaft column and a connecting support frame, the distance between the self-tensioning structure and the belt is further shortened, so that the self-tensioning structure can continue to tension the belt and reduce the frequency of belt replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the right-angle support plate and the fixed convex frame structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of some components in the regulating structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the self-tensioning structure of the utility model.

[0018] Figure 5 It is a schematic diagram of the structure of the conveying device of the utility model.

[0019] Figure 6 It is a schematic diagram of the structure of the utility model after the belt is tensioned.

[0020] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0021] 1. Machine tools;

[0022] 101, feeding port;

[0023] 2. Conveying device;

[0024] 201, fixed bracket;

[0025] 202, first conveying roller; 2021, second conveying roller; 2022, conveying belt; 203, driving pulley; 2031, transmission belt; 2032, driven pulley; 204, mounting seat; 2041, motor;

[0026] 3. Adjust the structure;

[0027] 301, right angle support plate; 3011, fixed convex frame;

[0028] 302, screw rod; 3021, handle; 3022, guide rod;

[0029] 303, movable belt ring; 3031, threaded hole;

[0030] 304, sliding ring; 3041, guide hole;

[0031] 305, first articulated frame; 3051, first shaft column;

[0032] 306, double-ended hinged rod;

[0033] 307, second articulated frame; 3071, second shaft column;

[0034] 4. Self-tensioning structure;

[0035] 401, connecting support frame; 4011, inner cavity; 4012, square hole;

[0036] 402, spring;

[0037] 403, extrusion convex ring; 4031, connecting rod; 4032, rotating bracket; 4033, rotating shaft; 4034, tensioning wheel. DETAILED DESCRIPTION

[0038] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0039] Embodiment 1: as attached Figure 1 To Attachment Figure 6 As shown:

[0040] The utility model provides a machine tool belt tensioning force adjustment structure, comprising a machine tool 1;

[0041] A feed port 101 is provided on one side of the machine tool 1, and a fixed bracket 201 is fixedly connected to the feed port 101, and an adjustment structure 3 is fixedly provided on the top of one side of the fixed bracket 201. The adjustment structure 3 includes a right-angle support plate 301, a fixed convex bracket 3011, a screw rod 302, a handle 3021, a guide rod 3022, a moving belt ring 303, a threaded hole 3031, a sliding ring 304, a guide hole 3041, a first hinge frame 305, a first shaft column 3051, a double-headed hinge rod 306, and a second hinge. The connecting frame 307 and the second shaft column 3071, a right angle support plate 301 is fixedly connected to one side of the fixed bracket 201, and a fixed convex bracket 3011 is fixedly connected to the middle of the top of the fixed bracket 201, and a screw rod 302 is rotatably installed between the right angle support plate 301 and the fixed convex bracket 3011, one end of the screw rod 302 is fixedly connected to a handle 3021, and a guide rod 3022 is provided on the top of the screw rod 302, and a movable belt ring 303 is provided on the outer side of the screw rod 302, and the middle of the movable belt ring 303 A threaded hole 3031 is provided at the top of the movable belt ring 303, and a sliding ring 304 is fixedly connected to the top of the movable belt ring 303. At the same time, the sliding ring 304 is slidably installed on the guide rod 3022 through the guide hole 3041. The bottom of the movable belt ring 303 is fixedly connected to the first hinge frame 305, and the first hinge frame 305 is hinged to the top end of the double-headed hinged rod 306 through the first shaft column 3051. At the same time, the bottom end of the double-headed hinged rod 306 is hinged to the second hinge frame 307 through the second shaft column 3071. By rotating the handle 3021, the screw rod 302 is driven to rotate, and the screw rod 302 is rotatably engaged with the threaded hole 3031 on the movable belt ring 303, but the movable belt ring 303 is limited and guided on the guide rod 3022 by the sliding ring 304, so that the screw rod 302 drives the movable belt ring 303, and the movable belt ring 303 drives the first articulated frame 305 to move, and the first articulated frame 305, the first shaft column 3051, the second articulated frame 307 and the second shaft column 3071 drive the double-headed articulated rod 306 to adjust the angle.

[0042] Embodiment 2: Based on Embodiment 1, Figure 4 As shown, the bottom of the second articulated frame 307 is provided with a self-tensioning structure 4, and the self-tensioning structure 4 includes a connecting frame 401, an inner cavity 4011 and a square hole 4012. The bottom of the second articulated frame 307 is fixedly connected with the connecting frame 401, and the inner cavity 4011 is opened inside the connecting frame 401, and the square hole 4012 is opened on the right-angle support plate 301, and the connecting frame 401 is slidably installed in the square hole 4012. The self-tensioning structure 4 also includes a spring 402, an extrusion convex ring 403 and a connecting rod 4031. The spring 402 is provided in the inner cavity 4011, and the bottom of the spring 402 is provided with an extrusion convex ring 403, and the bottom of the extrusion convex ring 403 is fixedly connected There is a connecting rod 4031, and the self-tensioning structure 4 also includes a rotating bracket 4032, a rotating shaft 4033 and a tensioning wheel 4034. The bottom of the connecting rod 4031 is fixedly connected to the rotating bracket 4032, and the rotating shaft 4033 is installed on the rotating bracket 4032. At the same time, the tensioning wheel 4034 is rotatably installed on the outer side of the rotating shaft 4033. The elastic force of the spring 402 pushes the extrusion convex ring 403 to move in the inner cavity 4011. The extrusion convex ring 403 drives the rotating bracket 4032 to move through the connecting rod 4031, and then the rotating bracket 4032 drives the tensioning wheel 4034 to press against the transmission belt 2031, thereby providing tensioning force to the loose transmission belt 2031.

[0043] Embodiment 3: Based on Embodiment 1, Figure 5 As shown, a conveying device 2 is provided on the fixed bracket 201, and the conveying device 2 includes a first conveying roller 202, a second conveying roller 2021 and a conveying belt 2022. The first conveying roller 202 is rotatably installed at one end of the fixed bracket 201, and the second conveying roller 2021 is rotatably installed at the other end of the fixed bracket 201. At the same time, the outer sides of the first conveying roller 202 and the second conveying roller 2021 are rotatably installed with the conveying belt 2022. The outer side of one end of the first conveying roller 202 is fixedly connected to a driving pulley 203, and the outer side of one end of the second conveying roller 2021 is fixedly connected to a driven pulley 2032. At the same time, the driving pulley 203 is connected to the driven pulley 2032 through the transmission belt 2031. The driven pulley 2032 is rotatably connected, a mounting seat 204 is fixedly connected to the bottom of one side of the fixed bracket 201, and a motor 2041 is fixedly installed on the top of the mounting seat 204, and the driving end of the motor 2041 is fixedly connected to the first conveying roller 202, and the first conveying roller 202 is driven to rotate by starting the motor 2041, and the first conveying roller 202 drives the driving pulley 203 to rotate, and the driving pulley 203 drives the driven pulley 2032 to rotate through the transmission belt 2031, and the driven pulley 2032 drives the second conveying roller 2021 to rotate, and then the first conveying roller 202 and the second conveying roller 2021 drive the conveyor belt 2022 to transport the material.

[0044] The specific usage and function of this embodiment are as follows:

[0045] In the present invention, when the transmission belt 2031 is loose, the elastic force of the spring 402 pushes the extrusion convex ring 403 to move in the inner cavity 4011, and the extrusion convex ring 403 drives the rotating bracket 4032 to move through the connecting rod 4031, so that the rotating bracket 4032 drives the tensioning wheel 4034 to press against the transmission belt 2031, thereby providing tensioning force for the loose transmission belt 2031. Because the elastic force of the spring 402 is limited, when the transmission belt 2031 is too loose and the self-tensioning structure 4 cannot provide tensioning force, the screw rod 302 can be driven to rotate by rotating the handle 3021, and the screw rod 302 and the moving belt The threaded hole 3031 on the ring 303 is rotated and engaged, but the movable belt ring 303 is limited and guided on the guide rod 3022 through the sliding ring 304, so that the screw rod 302 drives the movable belt ring 303, and the movable belt ring 303 drives the first articulated frame 305 to move, so that with the cooperation of the first articulated frame 305, the first shaft column 3051, the double-headed articulated rod 306, the second articulated frame 307 and the second shaft column 3071, the distance between the self-tensioning structure 4 and the transmission belt 2031 is further shortened, so that the self-tensioning structure 4 can continue to give tension to the transmission belt 2031, thereby reducing the replacement frequency of the transmission belt 2031.

Claims

1. A machine tool belt tensioning force adjustment structure, comprising a machine tool; A feed inlet is provided on one side of the machine tool, and a fixed bracket is fixedly connected to the feed inlet, and an adjustment structure is fixedly provided on the top of one side of the fixed bracket, which is characterized in that: The adjusting structure includes a right-angle support plate, a fixed convex frame, a screw rod, a rotating handle, a guide rod, a movable belt ring, a threaded hole, a sliding ring, a guide hole, a first hinge frame, a first shaft column, a double-headed hinge rod, a second hinge frame and a second shaft column. One side of the fixed bracket is fixedly connected with the right-angle support plate, and the middle part of the top of the fixed bracket is fixedly connected with the fixed convex frame. At the same time, a screw rod is rotatably installed between the right-angle support plate and the fixed convex frame, one end of the screw rod is fixedly connected with the rotating handle, and the top of the screw rod is provided with a guide rod, and a movable belt ring is provided on the outside of the screw rod, a threaded hole is opened in the middle of the movable belt ring, and the top of the movable belt ring is fixedly connected with the sliding ring, and the sliding ring is slidably installed on the guide rod through the guide hole, and the bottom of the movable belt ring is fixedly connected with the first hinge frame, and the first hinge frame is hingedly connected to the top end of the double-headed hinge rod through the first shaft column, and the bottom end of the double-headed hinge rod is hingedly connected to the second hinge frame through the second shaft column.

2. A machine tool belt tensioning force adjustment structure as claimed in claim 1, characterized in that: A self-tensioning structure is provided at the bottom of the second articulated frame, and the self-tensioning structure includes a connecting support frame, an inner cavity and a square hole. The bottom of the second articulated frame is fixedly connected to the connecting support frame, and an inner cavity is opened inside the connecting support frame, and a square hole is opened on the right-angle support plate, and the connecting support frame is slidably installed in the square hole.

3. A machine tool belt tensioning force adjustment structure as claimed in claim 2, characterized in that: The self-tensioning structure also includes a spring, an extrusion convex ring and a connecting rod. The inner cavity is provided with a spring, and the bottom of the spring is provided with an extrusion convex ring. At the same time, the bottom of the extrusion convex ring is fixedly connected with the connecting rod.

4. A machine tool belt tensioning force adjustment structure as claimed in claim 3, characterized in that: The self-tensioning structure also includes a rotating bracket, a rotating shaft and a tensioning wheel. The bottom of the connecting rod is fixedly connected to the rotating bracket, and the rotating shaft is installed on the rotating bracket. At the same time, the tensioning wheel is rotatably installed on the outer side of the rotating shaft.

5. The machine tool belt tensioning force adjustment structure according to claim 1, characterized in that: The fixed bracket is provided with a conveying device, which includes a first conveying roller, a second conveying roller and a conveying belt. The first conveying roller is rotatably mounted on one end of the fixed bracket, and the second conveying roller is rotatably mounted on the other end of the fixed bracket. At the same time, the conveying belt is rotatably mounted on the outer sides of the first conveying roller and the second conveying roller.

6. A machine tool belt tensioning force adjustment structure as claimed in claim 5, characterized in that: A driving pulley is fixedly connected to the outer side of one end of the first conveying roller, and a driven pulley is fixedly connected to the outer side of one end of the second conveying roller. The driving pulley is rotatably connected to the driven pulley through a transmission belt. A mounting seat is fixedly connected to the bottom of one side of the fixed bracket, and a motor is fixedly installed on the top of the mounting seat, and the driving end of the motor is fixedly connected to the first conveying roller.

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