Bearing side cover pressing device

Abstract

The utility model provides a bearing side cover gland device which comprises a fixing frame, hydraulic assemblies arranged at the upper end and the lower end of the fixing frame, a bracket assembly arranged in the middle of the fixing frame and an auxiliary lifting assembly, the bracket assembly comprises an L-shaped rod connected with the fixing frame, a positioning column is arranged on the vertical rod portion of the L-shaped rod, and an air bag is arranged on the positioning column. The suction part is connected with the air bag; the auxiliary lifting assembly comprises supporting plates symmetrically arranged on the two sides of the L-shaped rod and transmission parts connected with the supporting plates, and the transmission parts are used for driving the supporting plates to be close to or away from the L-shaped rod. The hydraulic assembly comprises a driving part connected with the fixing frame and a hydraulic part connected with the driving part, and the hydraulic part is provided with an avoiding groove matched with the transverse rod part of the L-shaped rod. According to the bearing side cover pressing device, the problem that in the prior art, a bearing side cover pressing device which is consistent in press-fitting efficiency and good in effect is lacked is solved.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing technology, and specifically relates to a bearing side cover pressing device. Background Technology

[0002] Bearings are a very important component in modern mechanical equipment. The main function of bearings is to support rotating mechanical parts, reduce friction during their movement, and ensure rotational accuracy. Bearings also have certain resistance to contact fatigue, wear resistance, and rust prevention.

[0003] With the development of the times, many internal parts of machinery are constantly being updated and replaced. Nowadays, bearings play a very important role in some machinery. As the application scenarios of bearings become more and more widespread, the need for dust prevention for bearings has emerged. Therefore, after the ball bearings are assembled, dust covers need to be pressed on both sides of the bearing to prevent dust from entering the ball bearings and affecting the bearing's performance.

[0004] In existing technologies, bearings and side covers are typically placed manually into a hydraulic device, and a hydraulic rod is used to press one side of the bearing and the side cover in place. The bearing is then flipped over to press the side cover onto the other side. However, this method of pressing side covers is inefficient. Furthermore, the bearing is usually manually placed onto a positioning rod for pressing. To facilitate the placement or removal of the bearing from the positioning rod, a clearance fit is usually used between the bearing and the positioning rod, making it difficult to ensure the concentricity between the hydraulic rod and the side cover, thus affecting the pressing effect. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide a bearing side cover pressing device, which aims to solve the problem of the lack of bearing side cover pressing devices with consistent pressing efficiency and good effect in the prior art.

[0006] The bearing side cover pressing device proposed in this utility model includes a fixed frame, hydraulic components disposed at the upper and lower ends of the fixed frame, a bracket assembly disposed in the middle of the fixed frame, and an auxiliary lifting assembly.

[0007] The bracket assembly includes an L-shaped rod connected to the fixed frame, a positioning post on the vertical part of the L-shaped rod, an airbag on the positioning post, and a suction component connected to the airbag;

[0008] The auxiliary lifting assembly includes a support plate symmetrically arranged on both sides of the L-shaped rod and a transmission component connecting the support plate. The transmission component is used to drive the support plate closer to or away from the L-shaped rod.

[0009] The hydraulic assembly includes a drive component connected to the fixed frame and a hydraulic component connected to the drive component. The hydraulic component is provided with a clearance groove that is adapted to the crossbar portion of the L-shaped rod.

[0010] The aforementioned bearing side cover pressing device, by setting auxiliary lifting components and positioning rods, places the bearing and side cover to be pressed onto a support plate and sleeves it onto a positioning post. Then, a suction component supplies air to the airbag, causing it to expand and compress the inner side of the bearing, thereby automatically adjusting the bearing position to ensure the concentricity of the bearing, positioning post, and hydraulic components. A transmission component then drives the support plate away; under the compressive force of the expanding airbag, the bearing remains suspended in the adjusted position and will not move under gravity. Finally, the hydraulic components press the bearing down and squeeze the side cover, achieving synchronous pressing on both sides. Thus, the airbag-assisted positioning ensures the concentricity of the bearing and hydraulic components, and the two-stage pressing process improves the pressing efficiency of the side cover. Therefore, this invention solves the problem of the lack of bearing side cover pressing devices with consistent pressing efficiency and good effect in the prior art.

[0011] In addition, the bearing side cover pressure device proposed in this utility model may also have the following additional technical features:

[0012] Preferably, the hydraulic component includes a primary hydraulic rod connected to the drive component, a secondary hydraulic rod connected to the primary hydraulic rod, a fixed sleeve sleeved on the outside of the primary hydraulic rod, and a hydraulic sleeve located inside the fixed sleeve and sleeved on the secondary hydraulic rod. Both the fixed sleeve and the hydraulic sleeve are provided with the clearance groove. The fixed sleeve and the hydraulic sleeve are used to fix the bearing and press-fit the side cover, respectively.

[0013] Preferably, the suction component includes an air guide tube connected to the airbag and a cylinder connected to the air guide tube. The fixing sleeve and the hydraulic sleeve at the bottom of the fixing frame are provided with clearance holes so that the air guide tube passes through the clearance holes and connects to the cylinder located at the bottom of the mounting frame. The cylinder is used to suction the airbag.

[0014] Preferably, the transmission component includes a slide rod connected to the fixed frame and a slotted frame disposed on the side of the pallet. The pallet is provided with a sliding hole adapted to the slide rod. The top of the slotted frame is connected to the fixed sleeve above the fixed frame. A guide groove is provided on the slotted frame. A guide rod adapted to the guide groove is provided on the side of the pallet. The fixed sleeve drives the slotted frame to move up and down, so that the guide groove drives the pallet to move back and forth along the slide rod.

[0015] Preferably, the suction component further includes a push rod disposed on the cylinder, a spring disposed inside the cylinder, and an L-shaped plate disposed outside the push rod. The vertical part of the L-shaped plate is slidably connected to the fixing frame, and the horizontal part of the L-shaped plate is connected to the side of the fixing sleeve. The inner side of the vertical part is recessed inward to form an inclined surface. The push rod abuts against the inclined surface, and the fixing sleeve drives the L-shaped plate to move up and down, so that the push rod suctions the airbag under the squeezing action of the inclined surface or the restoring force of the spring.

[0016] Preferably, the cross-sectional area of ​​the fixing frame is arc-shaped, and the transmission component and the suction component are connected to the two sides of the fixing frame.

[0017] Preferably, the fixing frame and the fixing sleeve are provided with light-reducing grooves.

[0018] Preferably, the fixing frame has reinforcing parts on both sides inside, the transmission component is connected to the reinforcing parts, the reinforcing parts are provided with vertical sliding grooves, and the L-shaped plate has vertical blocks on the outside that are adapted to the vertical sliding grooves. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the bearing side cover pressure device proposed in one embodiment of the present utility model;

[0020] Figure 2 for Figure 1 A structural diagram from another perspective;

[0021] Figure 3 This is a schematic diagram of the structure of the hydraulic component proposed in one embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the bracket assembly proposed in one embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the bracket assembly after the cylinder is hidden in one embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of the auxiliary lifting component proposed in one embodiment of the present invention;

[0025] Figure 7 for Figure 6 A structural diagram from another perspective;

[0026] Figure 8 This is a schematic diagram of the structure of the fixing frame proposed in one embodiment of the present utility model;

[0027] Explanation of key component symbols:

[0028]

[0029]

[0030] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0031] To facilitate understanding of this utility model, a more complete description of it will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0032] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0034] Please see Figures 1 to 8 The image shows a bearing side cover pressing device in one embodiment of the present invention, including a fixed frame 10, hydraulic components 20 disposed at the upper and lower ends of the fixed frame 10, a bracket assembly 30 disposed in the middle of the fixed frame 10, and an auxiliary lifting assembly 40.

[0035] The bracket assembly 30 includes an L-shaped rod 31 connected to the fixed frame 10. The vertical part of the L-shaped rod 31 is provided with a positioning post 32, the positioning post 32 is provided with an airbag 34, and a suction component 33 connected to the airbag 34. The auxiliary lifting assembly 40 includes a support plate 41 symmetrically arranged on both sides of the L-shaped rod 31 and a transmission component 42 connecting the support plate 41. The transmission component 42 is used to drive the support plate 41 to move closer to or away from the L-shaped rod 31. The hydraulic assembly 20 includes a driving component 21 connected to the fixed frame 10 and a hydraulic component 22 connected to the driving component 21. The hydraulic component 22 is provided with a clearance groove 23 adapted to the horizontal part of the L-shaped rod 31.

[0036] Understandably, by setting auxiliary lifting components and positioning rods, the bearing and side cover to be pressed are placed on the support plate 41 and fitted onto the positioning post 32. Then, the suction component 33 supplies air to the airbag 34, causing the airbag 34 to expand and squeeze the inside of the bearing, thereby automatically adjusting the bearing position to ensure the concentricity of the bearing, positioning post 32, and hydraulic component 22. Then, the transmission component 42 drives the support plate 41 away. Under the expansion and squeezing action of the airbag 34, the bearing remains suspended in the adjusted position and will not move under the action of gravity. Then, the hydraulic component 20 presses the bearing up and down and squeezes the side cover to achieve synchronous pressing on both sides. Thus, the airbag 34 assists in positioning to ensure the concentricity of the bearing and hydraulic component 22, and the two pressing processes improve the pressing efficiency of the side cover. Therefore, this utility model solves the problem of the lack of bearing side cover pressing devices with consistent pressing efficiency and good effect in the prior art.

[0037] It should be noted that before the bearing and side cover are press-fitted, the cover is pre-installed on the bearing, that is, the cover is located at the corresponding installation position on the bearing and is initially installed and fixed here under a small external force. Then, under the action of the hydraulic equipment, the final side cover is press-fitted by strong hydraulic pressure. Therefore, when the side cover is pressed by this device, even if the support plate 41 supports the bottom side cover in the middle, the side cover will not fall off the bearing.

[0038] Specifically, the hydraulic component 22 includes a primary hydraulic rod 221 connected to the drive component 21, a secondary hydraulic rod 222 connected to the primary hydraulic rod 221, a fixed sleeve 223 sleeved on the outside of the primary hydraulic rod 221, and a hydraulic sleeve 224 located inside the fixed sleeve 223 and sleeved on the secondary hydraulic rod 222. Both the fixed sleeve 223 and the hydraulic sleeve 224 are provided with clearance grooves 23. The fixed sleeve 223 and the hydraulic sleeve 224 are used to fix the bearing and press the side cover, respectively. In specific implementation, under the action of the drive component 21, the primary hydraulic rod 221 moves downward, driving the fixed sleeve 223 downward, so that the upper and lower fixed sleeves 223 press the bearing, thereby further pressing and fixing the bearing to avoid the bearing shifting position under the action of external force during hydraulic operation, thus compensating for the defect that the airbag 34 cannot resist large external forces to ensure the bearing position. When the length of the primary hydraulic rod 221 extends to its limit, the drive component 21 drives the secondary hydraulic rod 222 to move downward. The secondary hydraulic rod 222 drives the hydraulic sleeve 224 to move downward, so that the two hydraulic sleeves 224 act on the side cover respectively, thereby realizing the press-fitting of the side cover.

[0039] Additionally, the suction component 33 includes an air guide pipe 331 connected to the airbag 34 and a cylinder 332 connected to the air guide pipe 331. The fixing sleeve 223 and hydraulic sleeve 224 at the bottom of the mounting bracket 10 are provided with clearance holes 225, allowing the air guide pipe 331 to pass through the clearance holes 225 and connect to the cylinder 332 located at the bottom of the mounting bracket. The cylinder 332 is used to suction the airbag 34. In practical implementation, the state of the airbag 34 can be controlled by the cylinder 332, thereby achieving the auxiliary positioning function of the airbag 34 as needed. Furthermore, by setting the airbag 34, the size of the positioning post 32 can be set to be smaller, thus enabling the side cover pressing of bearings with various inner diameter specifications, further improving the versatility of the bearing side cover pressing device.

[0040] Specifically, the transmission component 42 includes a slide rod 421 connected to the fixed frame 10 and a slot frame 422 disposed on the side of the support plate 41. The support plate 41 is provided with a sliding hole 411 adapted to the slide rod 421. The top of the slot frame 422 is connected to the fixed sleeve 223 above the fixed frame 10. A guide groove 423 is provided on the slot frame 422. A guide rod 424 adapted to the guide groove 423 is provided on the side of the support plate 41. The fixed sleeve 223 drives the slot frame 422 to move up and down, so that the guide groove 423 drives the support plate 41 to move back and forth along the slide rod 421. In practical implementation, by setting up the slot frame 422 and the slide rod 421, when it is necessary to press the bearing and the side cover, the fixed sleeve 223 drives the slot frame 422 to move downward, so that the guide slot 423 presses the guide rod 424. As a result, the guide rod 424 drives the support plate 41 to move along the slide rod 421 and away from the L-shaped rod 31, thus freeing up enough space for the hydraulic component 20 below to perform hydraulic pressure. After the pressing is completed, the fixed sleeve 223 moves upward to reset, and then the guide slot 423 presses the guide rod 424 again, so that the guide rod 424 drives the support plate 41 to move along the slide rod 421 and close to the L-shaped rod 31 to reset. This allows the support plate 41 to hold the bearing. At this time, the gas in the airbag 34 is extracted and no longer presses the bearing. Therefore, the support plate 41 holds the bearing and prevents it from falling off.

[0041] By way of example, and not limitation, in some alternative embodiments, the suction component 33 may further include a push rod 333 disposed on the cylinder 332, a spring 334 disposed inside the cylinder 332, and an L-shaped plate 335 disposed outside the push rod 333. The vertical part of the L-shaped plate 335 is slidably connected to the fixing frame 10, the horizontal part of the L-shaped plate 335 is connected to the side of the fixing sleeve, and the inner side of the vertical part is recessed inward to form an inclined surface 336. The push rod 333 abuts against the inclined surface 336, and the fixing sleeve drives the L-shaped plate 335 to move up and down, so that the push rod 333 suctions the airbag 34 under the squeezing action of the inclined surface 336 or the restoring force of the spring 334. In practical implementation, an L-shaped plate 335 and a push rod 333 can be used in conjunction. When the side cover needs to be pressed, the lower fixed sleeve moves upward, causing the L-shaped plate 335 to move upward. The inclined surface 336 on the L-shaped plate 335 presses against the push rod 333, causing the push rod 333 to compress the gas inside the cylinder 332, thereby inflating the airbag 34 and achieving the initial positioning of the airbag 34. After the side cover is pressed, the fixed sleeve 223 moves the L-shaped plate 335 back to its original position, so that the inclined surface 336 no longer compresses the push rod 333. Under the force of the spring 334, the push rod 333 moves away from the cylinder 332, thereby sucking the gas inside the airbag 34 and restoring the airbag 34 to its original volume. Therefore, in this case, an air pump can be used instead of the cylinder 332.

[0042] Furthermore, the cross-sectional area of ​​the fixing frame 10 is arc-shaped, and the transmission component 42 and the suction component 33 are connected to the two sides of the fixing frame 10. In specific implementation, by setting the fixing frame 10 to an arc shape, the two sides are used to fix the suction component 33 and the transmission component 42, and a large opening is provided to contact the outside, so as to facilitate the placement and transfer of bearings. This also allows for the additional installation of an auxiliary loading and unloading device, through which a robotic arm can be inserted into the fixing frame 10 to load and unload bearings.

[0043] Specifically, the fixing bracket 10 and the fixing sleeve 223 are provided with a weight-reducing groove 11. In practical implementation, by setting the weight-reducing groove 11, the weight of the fixing bracket 10 and the solid sleeve is reduced, so as to facilitate the installation and transportation of the bearing side cover pressure device.

[0044] Additionally, the fixing frame 10 has reinforcing sections 12 on both sides inside, and the transmission component 42 is connected to the reinforcing section 12. The reinforcing section 12 has a vertical sliding groove 13, and the L-shaped plate 335 has a vertical block 337 on its outer side that matches the vertical sliding groove 13. In practical implementation, by providing the reinforcing section 12, the strength of both sides of the fixing frame 10 is increased, thereby preventing excessive local stress at the connection between the fixing frame 10 and the transmission component 42 and the suction component 33, which could lead to damage to the fixing frame 10. Furthermore, in practical implementation, the vertical sliding groove and the vertical block 337 cooperate to allow the L-shaped plate 335 to move along a preset direction to press the push rod 333.

[0045] In summary, the bearing side cover pressing device in the above embodiments of this utility model, by setting auxiliary lifting components and positioning rods, allows the bearing and side cover to be pressed onto the support plate 41 and sleeved onto the positioning post 32. Then, the suction component 33 supplies air to the airbag 34, causing the airbag 34 to expand and squeeze the inner side of the bearing, thereby automatically adjusting the bearing position to ensure the concentricity of the bearing, positioning post 32, and hydraulic component 22. The transmission component 42 then drives the support plate 41 away. Under the expansion and squeezing action of the airbag 34, the bearing remains suspended in the adjusted position and will not move under gravity. Finally, the hydraulic component 20 presses the bearing up and down and squeezes the side cover to achieve synchronous pressing on both sides. Thus, the airbag 34 assists in positioning to ensure the concentricity of the bearing and hydraulic component 22, and the two-stage pressing process improves the pressing efficiency of the side cover. Therefore, this utility model solves the problem of the lack of bearing side cover pressing devices with consistent pressing efficiency and good effect in the prior art.

[0046] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A bearing side cover pressing device, characterized in that, It includes a fixed frame, hydraulic components located at the upper and lower ends of the fixed frame, a bracket assembly located in the middle of the fixed frame, and an auxiliary lifting assembly. The bracket assembly includes an L-shaped rod connected to the fixed frame, a positioning post on the vertical part of the L-shaped rod, an airbag on the positioning post, and a suction component connected to the airbag; The auxiliary lifting assembly includes a support plate symmetrically arranged on both sides of the L-shaped rod and a transmission component connecting the support plate. The transmission component is used to drive the support plate closer to or away from the L-shaped rod. The hydraulic assembly includes a drive component connected to the fixed frame and a hydraulic component connected to the drive component. The hydraulic component is provided with a clearance groove that is adapted to the crossbar portion of the L-shaped rod.

2. The bearing side cover pressing device according to claim 1, characterized in that, The hydraulic component includes a primary hydraulic rod connected to the drive component, a secondary hydraulic rod connected to the primary hydraulic rod, a fixed sleeve sleeved on the outside of the primary hydraulic rod, and a hydraulic sleeve located inside the fixed sleeve and sleeved on the secondary hydraulic rod. Both the fixed sleeve and the hydraulic sleeve are provided with the clearance groove. The fixed sleeve and the hydraulic sleeve are used to fix the bearing and press-fit the side cover, respectively.

3. The bearing side cover pressing device according to claim 2, characterized in that, The suction component includes an air guide tube connected to the airbag and a cylinder connected to the air guide tube. The fixing sleeve and the hydraulic sleeve at the bottom of the fixing frame are provided with clearance holes so that the air guide tube passes through the clearance holes and connects to the cylinder located at the bottom of the fixing frame. The cylinder is used to suction the airbag.

4. The bearing side cover pressure device according to claim 2, characterized in that, The transmission component includes a slide rod connected to the fixed frame and a slotted frame disposed on the side of the pallet. The pallet is provided with a sliding hole adapted to the slide rod. The top of the slotted frame is connected to the fixed sleeve above the fixed frame. A guide groove is provided on the slotted frame. A guide rod adapted to the guide groove is provided on the side of the pallet. The fixed sleeve drives the slotted frame to move up and down, so that the guide groove drives the pallet to move back and forth along the slide rod.

5. The bearing side cover pressure device according to claim 3, characterized in that, The suction component further includes a push rod disposed on the cylinder, a spring disposed inside the cylinder, and an L-shaped plate disposed on the outside of the push rod. The vertical part of the L-shaped plate is slidably connected to the fixing frame, and the horizontal part of the L-shaped plate is connected to the side of the fixing sleeve. The inner side of the vertical part is recessed inward to form an inclined surface. The push rod abuts against the inclined surface, and the fixing sleeve drives the L-shaped plate to move up and down, so that the push rod suctions the airbag under the squeezing action of the inclined surface or the restoring force of the spring.

6. The bearing side cover pressure cap device according to claim 5, characterized in that, The cross-sectional area of ​​the fixed frame is arc-shaped, and the transmission component and the suction component are connected to the two sides of the fixed frame.

7. The bearing side cover pressure device according to claim 6, characterized in that, The fixing frame and the fixing sleeve are provided with light-reducing grooves.

8. The bearing side cover pressure device according to claim 6, characterized in that, The fixing frame has reinforcing parts on both sides inside, the transmission component is connected to the reinforcing parts, the reinforcing parts are provided with vertical sliding grooves, and the L-shaped plate has vertical blocks on the outside that are adapted to the vertical sliding grooves.

Images