Stepless reducing supporting device

Abstract

The utility model discloses a stepless variable-diameter supporting device which comprises a base. The bottom of the idle gear is detachably connected with the top of the base, and the two ends of the idle gear are fixedly connected with the two ends of the top of the base; the outer surface of the distributed supporting assembly is detachably connected with the inner ring of the idle gear; the distributed supporting assembly comprises a lead screw, an internal thread bevel gear and a guide sleeve, the bottom of the lead screw is fixedly connected with the top of the idle gear, the outer surface of the internal thread bevel gear is detachably connected with the inner surface of the idle gear, and the middle of the internal thread bevel gear is detachably connected with the middle of the lead screw; and the outer surface of the guide sleeve is detachably connected with the inner surface of the idle gear. According to the scheme, stepless diameter changing of the supporting device can be achieved through a control system according to different diameter requirements, the automation degree is high, adjusting precision is high, occupied space is small, operation is easy, replacement is convenient and fast, production cost is reduced, and management is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of stepless diameter-variable supports, and more specifically, to a stepless diameter-variable support device. Background Art

[0002] With the needs of the development of various industries, products of different diameters and styles are increasingly used in various industries. However, in the process of product manufacturing and processing, it is necessary to use and replace support devices of different diameters to meet the requirement of coincidence between the workpiece center and the equipment center. There are too many specifications of support devices, which occupy a large space. Replacing the device wastes time and increases production costs. In addition, too many specifications are inconvenient for tooling management. In view of this, it is necessary to invent a stepless variable diameter support device to solve the above problems. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a stepless variable diameter support device to solve the problems that the prior art support devices have too many specifications, occupy a large space, waste time in replacing the device, increase production costs, and too many specifications make it inconvenient for tooling management.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a stepless variable diameter support device, comprising

[0005] Pedestal;

[0006] An intermediate wheel, wherein the bottom of the intermediate wheel is detachably connected to the top of the base, and the two ends of the intermediate wheel are fixedly connected to the two ends of the top of the base;

[0007] A distributed support assembly, wherein the outer surface of the distributed support assembly is detachably connected to the inner ring of the intermediate wheel, and the distributed support assembly includes a lead screw, an internally threaded bevel gear, and a guide sleeve. The bottom of the lead screw is fixedly connected to the top of the intermediate wheel, the outer surface of the internally threaded bevel gear is detachably connected to the inner surface of the intermediate wheel, the middle portion of the internally threaded bevel gear is detachably connected to the middle portion of the lead screw, and the outer surface of the guide sleeve is detachably connected to the inner surface of the intermediate wheel.

[0008] It also includes a driving device, a transmission system, and a main driving gear assembly. The bottom of the driving device is fixedly connected to the top of the base, the top of the driving device is detachably connected to the bottom of the intermediate wheel, the top of the main driving gear assembly is fixedly connected to the bottom of the base, and the top of the transmission system is fixedly connected to the bottom of the base.

[0009] Among them, the distributed support assembly also includes a guide column and a support pad. The outer surface of the guide column is detachably connected to the middle part of the guide sleeve, the outer surface of the guide column is detachably connected to the inner surface of the intermediate wheel, and the bottom of the support pad is detachably connected to the top of the intermediate wheel.

[0010] Among them, the number of distributed support components is determined according to the size of the adjustment range and the size of the total support range. During assembly, the relative positions of each set of internal threaded bevel gears and intermediate gears need to be adjusted to ensure that the upper surfaces of the support pads of each set of distributed support components are located on the same circle. When the requirements are higher, adjustment gaskets are added to the distributed support components.

[0011] The transmission system adopts two modes: synchronous belt transmission or gear transmission.

[0012] Among them, the distributed support component adopts an arc surface support distribution method.

[0013] Wherein, the lead screw adopts a trapezoidal lead screw to ensure the self-locking of the support assembly.

[0014] Among them, the internal thread bevel gear adopts a transmission gear with a large number of teeth, and the lead screw adopts a small pitch, so as to improve the synchronization accuracy of the distributed support component.

[0015] The beneficial effects of the above technical solution of the utility model are as follows:

[0016] In the above scheme, the utility model can realize stepless diameter change of the supporting device by the control system according to different diameter requirements, with high degree of automation, high adjustment accuracy, small space occupation, simple operation, convenient replacement, reduced production cost and easy management. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a top view of the relevant structure of the utility model;

[0019] Figure 3 It is a side-related structural diagram of the utility model;

[0020] Figure 4 This is a structural diagram related to the adjustment range of the utility model;

[0021] Figure 5 Practical Figure 1 Sectional view of AA in the middle;

[0022] Figure 6 Practical Figure 1 Cross-sectional view of BB.

[0023] [reference numerals]

[0024] 1. Base; 2. Driving device; 3. Transmission system; 4. Main driving gear assembly; 5. Intermediate gear; 6. Distributed support assembly; 7. Lead screw; 8. Internal thread bevel gear; 9. Guide sleeve; 10. Guide column; 11. Support pad. DETAILED DESCRIPTION

[0025] In order to make the technical problems to be solved, technical solutions and advantages of the present invention more clear, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0026] As attached Figure 1 To Attachment Figure 6 The embodiment of the utility model provides a stepless variable diameter support device, comprising:

[0027] Base 1;

[0028] The intermediate wheel 5, the bottom of the intermediate wheel 5 is detachably connected to the top of the base 1, and the two ends of the intermediate wheel 5 are fixedly connected to the two ends of the top of the base 1;

[0029] A distributed support assembly 6, wherein the outer surface of the distributed support assembly 6 is detachably connected to the inner ring of the intermediate wheel 5, and the distributed support assembly 6 comprises a lead screw 7, an internally threaded bevel gear 8, and a guide sleeve 9. The bottom of the lead screw 7 is fixedly connected to the top of the intermediate wheel 5, the outer surface of the internally threaded bevel gear 8 is detachably connected to the inner surface of the intermediate wheel 5, the middle portion of the internally threaded bevel gear 8 is detachably connected to the middle portion of the lead screw 7, and the outer surface of the guide sleeve 9 is detachably connected to the inner surface of the intermediate wheel 5.

[0030] It also includes a driving device 2, a transmission system 3, and a main driving gear assembly 4. The bottom of the driving device 2 is fixedly connected to the top of the base 1, the top of the driving device 2 is detachably connected to the bottom of the intermediate wheel 5, the top of the main driving gear assembly 4 is fixedly connected to the bottom of the base 1, and the top of the transmission system 3 is fixedly connected to the bottom of the base 1;

[0031] The driving device 2 adopts a servo motor or a stepping motor, and the transmission system 3 adopts a synchronous belt transmission mode.

[0032] Among them, the distributed support assembly 6 also includes a guide column 10 and a support pad 11. The outer surface of the guide column 10 is detachably connected to the middle part of the guide sleeve 9, the outer surface of the guide column 10 is detachably connected to the inner surface of the intermediate wheel 5, and the bottom of the support pad 11 is detachably connected to the top of the intermediate wheel 5.

[0033] Among them, the number of distributed support components 6 is determined according to the size of the adjustment range and the size of the total support range. During assembly, the relative positions of each group of internal threaded bevel gears 8 and the intermediate gear 5 need to be adjusted to ensure that the upper surfaces of the support pads 11 of each group of distributed support components 6 are located on the same circumference. When the requirements are higher, adjustment gaskets are added to the distributed support components 6.

[0034] The transmission system 3 adopts two modes: synchronous belt transmission or gear transmission.

[0035] The distributed support assembly 6 adopts an arc surface support distribution method.

[0036] Wherein, the lead screw 7 adopts a trapezoidal lead screw 7 to ensure the self-locking of the support assembly.

[0037] The internally threaded bevel gear 8 adopts a transmission gear with a large number of teeth, and the lead screw 7 adopts a small pitch, so as to improve the synchronization accuracy of the distributed support assembly 6.

[0038] The working process of the utility model is as follows:

[0039] In the above scheme, when working, the power of the driving device 2 is appropriately decelerated and then drives the main driving gear assembly 4 to rotate through the transmission system 3. The main driving gear assembly 4 drives the internal threaded bevel gear 8 of each group of distributed support assemblies 6 in sequence through the intermediate wheel 5. The rotation of the gear drives the lead screw 7 to make synchronous linear motion, thereby realizing stepless adjustment of the diameter of the support device.

[0040] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0041] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0042] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A stepless variable diameter support device, characterized in that: include Base (1); An intermediate wheel (5), wherein the bottom of the intermediate wheel (5) is detachably connected to the top of the base (1), and the two ends of the intermediate wheel (5) are fixedly connected to the two ends of the top of the base (1); A distributed support assembly (6), wherein the outer surface of the distributed support assembly (6) is detachably connected to the inner ring of the intermediate wheel (5), and the distributed support assembly (6) comprises a lead screw (7), an internally threaded bevel gear (8), and a guide sleeve (9), wherein the bottom of the lead screw (7) is fixedly connected to the top of the intermediate wheel (5), the outer surface of the internally threaded bevel gear (8) is detachably connected to the inner surface of the intermediate wheel (5), the middle portion of the internally threaded bevel gear (8) is detachably connected to the middle portion of the lead screw (7), and the outer surface of the guide sleeve (9) is detachably connected to the inner surface of the intermediate wheel (5).

2. A stepless variable diameter support device according to claim 1, characterized in that: It also includes a driving device (2), a transmission system (3), and a main driving gear assembly (4); the bottom of the driving device (2) is fixedly connected to the top of the base (1); the top of the driving device (2) is detachably connected to the bottom of the intermediate wheel (5); the top of the main driving gear assembly (4) is fixedly connected to the bottom of the base (1); and the top of the transmission system (3) is fixedly connected to the bottom of the base (1).

3. The stepless variable diameter support device according to claim 1, characterized in that: The distributed support assembly (6) further comprises a guide column (10) and a support pad (11), wherein the outer surface of the guide column (10) is detachably connected to the middle portion of the guide sleeve (9), the outer surface of the guide column (10) is detachably connected to the inner surface of the intermediate wheel (5), and the bottom of the support pad (11) is detachably connected to the top of the intermediate wheel (5).

4. The stepless variable diameter support device according to claim 1, characterized in that: The number of distributed support components (6) is determined according to the size of the adjustment range and the size of the total support range. During assembly, the relative positions of the meshing of each set of internal thread bevel gears and intermediate gears need to be adjusted to ensure that the upper surfaces of the support pads of each set of distributed support components are located on the same circumference. When the requirements are higher, adjustment gaskets are added to the distributed support components.

5. The stepless variable diameter support device according to claim 2, characterized in that: The transmission system (3) adopts two modes: synchronous belt transmission or gear transmission.

6. The stepless variable diameter support device according to claim 1, characterized in that: The distributed support component (6) adopts an arc surface support distribution method.

7. The stepless variable diameter support device according to claim 1, characterized in that: The lead screw (7) is a trapezoidal lead screw to ensure the self-locking of the support assembly.

8. The stepless variable diameter support device according to claim 1, characterized in that: The internal thread bevel gear (8) adopts a transmission gear with a large number of teeth, and the lead screw adopts a small pitch, thereby improving the synchronization accuracy of the distributed support component.

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