Damper and bearing platform

Abstract

The utility model provides a damper and a bearing platform, the damper comprises a lower fixing seat, a sealing ring, a damping body and an upper fixing plate, a damping cavity is formed in the lower fixing seat, damping liquid is contained in the damping cavity, and a through hole communicated with the damping cavity is formed in the top of the lower fixing seat; the sealing ring is mounted at the through hole; the damping body is located in the damping cavity and comprises a mounting shaft and a damping block, the upper end of the mounting shaft upwards penetrates out of the sealing ring, the damping block is connected to the lower end of the mounting shaft, and at least part of the damping block is immersed in the damping liquid; the upper fixing plate is connected to the upper end of the mounting shaft. And the lower fixing base is fixedly installed on a first object, and the upper fixing plate is fixedly installed on a second object. When the second object moves relative to the first object, the damping body swings in the damping cavity, and the damping liquid in the damping cavity generates damping force on the swinging damping body, so that the vibration amplitude of the second object is reduced, and the purpose of damping is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of damping equipment, in particular to a damper and a bearing platform. BACKGROUND

[0002] During the movement of the movement module, vibration will inevitably be generated, and excessive vibration will affect the working accuracy of the equipment. For equipment with a large movement module, the existing damping method is to configure at least one buffer cylinder in four directions of the movement module, and to damp the movement module in different directions by the thrust of the buffer cylinder. This method requires the use of multiple buffer cylinders, which may result in poor overall damping effect due to the failure of a buffer cylinder, and the deviation of the installation position of the buffer cylinder will affect the final damping effect, so the installation position and installation accuracy are required to be high. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the present application provides a damper, which adopts the following technical scheme:

[0004] A damper comprises a lower fixing seat, a sealing ring, a damping body and an upper fixing plate, wherein:

[0005] The lower fixing seat is provided with a damping cavity therein, the damping cavity contains damping liquid, and the top of the lower fixing seat is provided with a through hole communicating with the damping cavity;

[0006] The sealing ring is installed at the through hole;

[0007] The damping body is located in the damping cavity, and the damping body comprises a mounting shaft and a damping block, wherein the upper end of the mounting shaft penetrates the sealing ring upward, the damping block is connected to the lower end of the mounting shaft, and the damping block is at least partially immersed in the damping liquid;

[0008] The upper fixing plate is connected to the upper end of the mounting shaft.

[0009] The working principle of the damper of the present application is as follows: the lower fixing seat is fixedly installed on a first object, and the upper fixing plate is fixedly installed on a second object. When the second object moves relative to the first object, the damping body swings in the damping cavity, and the damping liquid in the damping cavity generates a damping force on the swinging damping body, thereby reducing the vibration amplitude of the second object and achieving the purpose of damping.

[0010] In addition, the damper is fixedly connected to the second object through the upper fixing plate, which increases the contact area between the damper and the second object, thereby improving the damping balance of the damper. The damping body is damped by swinging, and it will not generate friction with the damping cavity, thereby reducing wear and tear and improving the service life of the damper.

[0011] In some embodiments, there is a gap of 1-2mm between the mounting shaft and the sealing ring.

[0012] Due to the gap between the mounting shaft and the sealing ring, the mounting shaft can swing with the upper fixing plate, thereby driving the damping body to swing in the damping cavity.

[0013] In some embodiments, the sealing ring is provided with an annular clamping groove, and the sealing ring is clamped at the through hole through the clamping groove.

[0014] The sealing ring can be firmly installed at the through hole.

[0015] In some embodiments, the hardness of the inner ring of the sealing ring is less than the hardness of the outer ring of the sealing ring.

[0016] The hardness of the inner ring of the sealing ring is small, which avoids rigid collision with the swinging mounting shaft, increases the swinging amplitude of the mounting shaft, and reduces the wear of the sealing ring. The outer ring of the sealing ring has high hardness, which can increase the connection strength of the sealing ring and the through hole, and prevent the sealing ring from falling off.

[0017] In some embodiments, the damping block is integrally formed with the mounting shaft, and the damping block is a cube structure.

[0018] The damping block is convenient to manufacture and form, and the contact area between the damping block and the damping liquid is increased to increase the resistance of the damping liquid to the damping block.

[0019] In some embodiments, the damping liquid is glycerol damping liquid or silicone oil damping liquid.

[0020] Two kinds of damping liquids with good damping effect are provided, which can generate appropriate damping force on the swing of the damping body.

[0021] In some embodiments, the upper fixing plate is detachably connected to the upper end of the mounting shaft.

[0022] The damper of the present application is convenient to disassemble and maintain.

[0023] In some embodiments, the bottom of the lower fixing seat is provided with a first mounting hole, and the upper fixing plate is provided with a second mounting hole.

[0024] The first mounting hole can be used to fixedly connect the lower fixing seat to the first object, and the second mounting hole can be used to fixedly connect the upper fixing plate to the second object.

[0025] In some embodiments, the damper further comprises a protective cover connected to the upper fixing plate and surrounding the outside of the lower fixing seat.

[0026] The protective cover realizes dustproof protection for the mounting shaft and the damping cavity.

[0027] The present application also provides a bearing platform comprising a bearing frame, a fixing frame and the damper of any one of the above.

[0028] The fixing frame comprises a bottom plate and a side plate arranged circumferentially on the bottom plate;

[0029] The carrier frame is located between the circumferentially arranged side plates, a first side wall of the carrier frame is connected to the first side plate of the fixing frame through at least one first elastic connecting assembly, and / or a second side wall of the carrier frame is connected to the second side plate of the fixing frame through at least one second elastic connecting assembly, and the first elastic connecting assembly and the second elastic connecting assembly are both configured to be elastically deformed in the movement direction of the carrier frame after being compressed;

[0030] The lower fixing seat of the damper is fixedly installed on the bottom plate of the fixing frame, and the upper fixing plate of the damper is fixedly installed on the bottom of the carrier frame.

[0031] The carrier platform provided by the present application is used for connecting the two sides of the carrier frame for carrying workpieces to the first side plate and the second side plate of the fixing frame through the first elastic connecting assembly and the second elastic connecting assembly, and connecting the bottom of the carrier frame to the fixing frame through the damper. When the carrier frame vibrates during the conveying or processing of the workpieces, the first elastic connecting assembly and the second elastic connecting assembly are elastically deformed, and the damper absorbs the vibration, thereby reducing the overall vibration of the carrier platform and ultimately improving the processing accuracy of the workpieces. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the damper in the embodiment of the present application from one perspective;

[0033] Figure 2 It is a structural schematic diagram of the damper in the embodiment of the present application from another perspective;

[0034] Figure 3 It is a structural schematic diagram of the damper in the embodiment of the present application after removing the fixing plate;

[0035] Figure 4 It is a three-dimensional structural schematic diagram of the sealing ring and the damping body in the embodiment of the present application;

[0036] Figure 5 It is a side view structural schematic diagram of the sealing ring and the damping body in the embodiment of the present application;

[0037] Figure 6 It is a top view structural schematic diagram of the sealing ring and the damping body in the embodiment of the present application;

[0038] Figure 7 It is a three-dimensional structural schematic diagram of the sealing ring in the embodiment of the present application;

[0039] Figure 8 It is a top view structural schematic diagram of the sealing ring in the embodiment of the present application;

[0040] Figure 9A structure schematic view of a bearing platform in the embodiment of the present application.

[0041] Figures 1 to 9 The bearing platform comprises:

[0042] The damper 10 comprises:

[0043] The lower fixing base 1 comprises a first mounting hole 11.

[0044] The sealing ring 2 comprises a clamping groove 21, an outer ring 2a and an inner ring 2b.

[0045] The damping body 3 comprises a mounting shaft 31 and a damping block 32.

[0046] The upper fixing plate 4 comprises a second mounting hole 41.

[0047] The protective cover 5.

[0048] The bearing frame 20 comprises a first side wall 201 and a second side wall 202.

[0049] The fixing frame 30 comprises a first side plate 301 and a second side plate 302.

[0050] The first elastic connecting assembly 40.

[0051] The second elastic connecting assembly 50. DETAILED DESCRIPTION

[0052] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0053] As shown in Figures 1 to 6 The damper 10 in the embodiment of the present application comprises a lower fixing base 1, a sealing ring 2, a damping body 3 and an upper fixing plate 4, wherein:

[0054] The lower fixing base 1 is provided with a damping cavity, and the damping cavity contains damping liquid.

[0055] The sealing ring 2 is installed at the through hole.

[0056] The damping body 3 is located in the damping cavity, and the damping body 3 comprises a mounting shaft 31 and a damping block 32, wherein the upper end of the mounting shaft 31 penetrates the sealing ring 2 upward, the damping block 32 is connected to the lower end of the mounting shaft 31, and the damping block 32 is at least partially immersed in the damping liquid.

[0057] The upper fixing plate 4 is connected to the upper end of the mounting shaft 31.

[0058] The working principle of the damper 10 in the embodiment of the present application is as follows:

[0059] The lower fixing base 1 is fixedly installed on a first object, and the upper fixing plate 4 is fixedly installed on a second object. When the second object moves relative to the first object, the damping body 3 swings in the damping cavity, and the damping liquid in the damping cavity generates a damping force on the swinging damping body 3, thereby reducing the vibration amplitude of the second object and achieving the purpose of damping.

[0060] In addition, since the damper 10 is fixedly connected with the second object through the upper fixing plate 4, the contact area between the damper 10 and the second object is increased, thereby improving the damping balance of the damper 10. The damping body 3 is damped by swinging, and does not rub against the damping cavity, thereby reducing wear and improving the service life of the damper 10.

[0061] Optionally, a gap a of 1-2 mm exists between the mounting shaft 31 and the sealing ring 2. The gap between the mounting shaft 31 and the sealing ring 2 provides a swinging space for the mounting shaft 31, and ensures that the mounting shaft 31 can swing with the upper fixing plate 4, thereby driving the damping body 3 to swing in the damping cavity. If the gap between the mounting shaft 31 and the sealing ring 2 is too small, the swinging amplitude of the damping body 3 will be too small, and the predetermined damping effect cannot be achieved. If the gap between the mounting shaft 31 and the sealing ring 2 is too large, the damping liquid will overflow from the through hole.

[0062] As shown in Figure 4 , Figure 5 and Figure 7 , optionally, the sealing ring 2 is provided with an annular clamping groove 21, and the sealing ring 2 is clamped in the through hole through the clamping groove 21. In this way, the sealing ring 2 can be firmly installed in the through hole, and the replacement of the sealing ring 2 is facilitated.

[0063] As shown in Figure 8 , optionally, the sealing ring 2 is composed of an inner ring 2b and an outer ring 2a, and the inner ring 2b and the outer ring 2a are made of materials with different hardness, wherein the hardness of the inner ring 2b is less than that of the outer ring 2a. For example, the inner ring 2b is made of soft rubber, and the outer ring 2a is made of hard rubber. The specific hardness of the inner ring 2b and the outer ring 2a can be selected as needed.

[0064] The hardness of the inner ring 2b of the sealing ring 2 is small, which can avoid rigid collision between the sealing ring 2 and the swinging mounting shaft 31, increase the swinging amplitude of the mounting shaft 31, and reduce the wear of the sealing ring 2, thereby prolonging the service life of the sealing ring 2. The outer ring 2a of the sealing ring 2 has high hardness, which can increase the connection strength of the sealing ring 2 and the through hole, and prevent the sealing ring 2 from falling off.

[0065] In order to facilitate the implementation of the manufacturing and forming of the damping body 3, as shown in Figures 4 to 5As shown, optionally, the damping block 32 is integrally formed with the mounting shaft 31, and the damping block 32 has a cubic structure. The cubic structure can increase the contact area between the damping block and the damping fluid, thereby increasing the resistance of the damping fluid to the damping block.

[0066] Of course, the damping block 32 and the mounting shaft 31 can also be connected to each other by splicing or welding to form the damping body 3. The damping block 32 can also be spherical or other polyhedral structures.

[0067] Optionally, the damping fluid may be glycerol damping fluid, silicone oil damping fluid, or other types of liquid capable of generating a suitable damping force on the oscillation of the damping body.

[0068] To facilitate the disassembly, assembly, and maintenance of the damper 10, the upper fixing plate 4 can optionally be detachably connected to the upper end of the mounting shaft 31. For example, the upper fixing plate 4 can be fixed to the upper end of the mounting shaft 31 by screws.

[0069] like Figure 1 As shown, optionally, the bottom of the lower fixing base 1 is provided with a first mounting hole 11, and the upper fixing plate 4 is provided with a second mounting hole 41. The lower fixing base 1 can be fixedly connected to the first object through the first mounting hole 11, and the upper fixing plate 4 can be fixedly connected to the second object through the second mounting hole 41.

[0070] Optionally, the damper 10 in this embodiment further includes a protective cover 5 connected to the upper fixing plate 4 and surrounding the outside of the lower fixing seat 1. The protective cover 5 provides dust protection for the mounting shaft 31 and the damping cavity.

[0071] Based on the same concept, this application also provides a hosting platform. For example... Figure 9 As shown, the support platform in this embodiment includes a support frame 20, a fixing frame 30, and a damper 10 provided in any of the above embodiments, wherein:

[0072] The mounting bracket 30 includes a base plate and side plates arranged circumferentially on the base plate.

[0073] The support frame 20 is located between the side plates arranged circumferentially. The first side wall 201 of the support frame 20 is connected to the first side plate 301 of the fixed frame 30 via at least one first elastic connection assembly 40, and / or the second side wall 202 of the support frame 20 is connected to the second side plate 302 of the fixed frame 30 via at least one second elastic connection assembly 50. Both the first elastic connection assembly 40 and the second elastic connection assembly 50 are configured to elastically deform along the direction of movement of the support frame 20 after being compressed.

[0074] The lower fixing seat 1 of the damper 10 is fixedly installed on the base plate of the fixing frame 30, and the upper fixing plate 4 of the damper 10 is fixedly installed on the bottom of the bearing frame 20.

[0075] The bearing platform provided by the embodiment of the present application is used for bearing the bearing frame 20 of the workpiece, and the two sides of the bearing frame 20 are connected to the first side plate 301 and the second side plate 302 of the fixed frame 30 through the first elastic connecting assembly 4 and the second elastic connecting assembly 5 respectively, and the bottom of the bearing frame 20 is connected with the fixed frame 30 through the damper 10.

[0076] When the workpiece causes the bearing frame 20 to vibrate during the conveying or processing, the first elastic connecting assembly 4 and the second elastic connecting assembly 5 are elastically deformed, and the damper 10 absorbs the vibration, thereby reducing the overall vibration of the bearing platform, and finally improving the processing precision of the workpiece.

[0077] The above has described the present application in sufficient detail with certain particularity. It should be understood by those skilled in the art that the description in the embodiments is only exemplary, and all changes made without departing from the true spirit and scope of the present application should belong to the protection scope of the present application. The scope of protection claimed by the present application is defined by the claims, not by the above description of the embodiments.

Claims

1. A damper characterized by, The damper comprises a lower fixing base, a sealing ring, a damping body and an upper fixing plate, wherein: The lower fixing base is internally provided with a damping cavity, the damping cavity contains damping liquid, and the top of the lower fixing base is provided with a through hole communicating with the damping cavity; The sealing ring is installed at the through hole; The damping body is located in the damping cavity, and the damping body comprises a mounting shaft and a damping block, wherein the upper end of the mounting shaft penetrates upward through the sealing ring, the damping block is connected to the lower end of the mounting shaft, and the damping block is immersed in the damping liquid; The upper fixing plate is connected to the upper end of the mounting shaft.

2. The damper of claim 1, wherein There is a gap of 1-2 mm between the mounting shaft and the sealing ring.

3. The damper of claim 1, wherein An annular clamping groove is arranged on the sealing ring, and the sealing ring is clamped at the through hole through the clamping groove.

4. The damper of claim 1, wherein The hardness of the inner ring of the sealing ring is less than that of the outer ring of the sealing ring.

5. The damper of claim 1, wherein The damping block is integrally formed with the mounting shaft, and the damping block is a cube structure.

6. The damper of claim 1, wherein The damping liquid is glycerol damping liquid or silicone oil damping liquid.

7. The damper of claim 1, wherein The upper fixing plate is detachably connected to the upper end of the mounting shaft.

8. The damper of claim 1, wherein The bottom of the lower fixing base is provided with a first mounting hole, and the upper fixing plate is provided with a second mounting hole.

9. The damper of claim 1, wherein The damper further comprises a protective cover connected to the upper fixing plate and surrounding the outside of the lower fixing base.

10. A load bearing platform characterized by, The bearing platform comprises a bearing frame, a fixing frame and the damper according to any one of claims 1-9, wherein: The fixing frame comprises a bottom plate and a side plate arranged circumferentially on the bottom plate; The bearing frame is located between the circumferentially arranged side plates, the first side wall of the bearing frame is connected to the first side plate of the fixing frame through at least one first elastic connection assembly, and / or the second side wall of the bearing frame is connected to the second side plate of the fixing frame through at least one second elastic connection assembly, and the first and second elastic connection assemblies are configured to elastically deform in the movement direction of the bearing frame after being pressed; The lower fixing base of the damper is fixedly installed on the bottom plate of the fixing frame, and the upper fixing plate of the damper is fixedly installed on the bottom of the bearing frame.

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