Electric device for bearing cold pressing assembly

Abstract

The invention discloses an electric device for bearing cold pressing assembly. The electric device comprises a guide rail, a guide pulley block, a variable-diameter disc, a presser foot column, a shaft, a coupler and a motor. Wherein the guide rail extends in the longitudinal direction, and the guide pulley block carries a component executing cold pressing to move in the longitudinal direction; the variable-diameter disc is connected with the presser foot column; the variable-diameter disc is configured to move the position of the presser foot column under external driving force, so that the diameter of the bearing is limited; the shaft is connected to a motor through a coupler and penetrates through the through hole of the variable-diameter disc. The bearing cold pressing device can achieve bearing cold pressing and is high in universality, simple in structure, small in size and high in mobility.

Description

Technical Field

[0001] The present application relates to the field of metal pressure processing, and in particular to an electric device for cold pressing and assembling bearings. Background Art

[0002] The existing bearing assembly is mainly hot pressing. After the bearing is heated, the grease in the closed bearing cavity evaporates to a certain extent. Insufficient grease is not conducive to the life of the bearing. The cold pressing bearing device on the market is hydraulic, with a complex structure, large volume and difficulty in moving, making it difficult to install, making the bearing installation more cumbersome and labor-intensive. If the assembly is improper, it often causes damage to the bearing and personnel injuries. Summary of the invention

[0003] The purpose of the present application is to provide an electric device for cold-pressing the bearing assembly, which presses the bearing into the bearing cavity with the help of a machine.

[0004] The present application discloses an electric device for cold-pressing assembly of bearings, comprising: a guide rail, a guide pulley block, a variable diameter disc, a presser foot column, a shaft, a coupling, and a motor; wherein:

[0005] The guide rail extends in the longitudinal direction, and the guide pulley group carries the component to be cold pressed and moves in the longitudinal direction;

[0006] The variable diameter disc is connected to the presser foot column; the variable diameter disc is configured to move the position of the presser foot column under an external driving force, thereby limiting the bearing diameter;

[0007] The shaft is connected to the motor through a coupling and penetrates the through hole of the variable diameter disc.

[0008] In a preferred embodiment, the variable diameter circular disc comprises: disc teeth, wherein the upper end surface of the disc teeth has an oblique tooth groove, and the lower end surface has an end surface groove; and

[0009] A plurality of movable blocks are provided, wherein the end face teeth of the plurality of movable blocks are meshed with the end face grooves of the disc teeth; and the plurality of presser foot posts are connected to the variable diameter disc by cooperating with each of the movable blocks.

[0010] In a preferred embodiment, the variable diameter disc further comprises: a bevel tooth, the outer end surface of the bevel tooth has a beveled bevel tooth groove, and the bevel tooth groove is configured to mesh with the bevel tooth groove of the disc tooth;

[0011] The inner cavity of the bevel gear is provided with a wrench hole.

[0012] In a preferred example, a lever and a wrench head; wherein the lever is connected to the bevel gear through the wrench head, and the lever is constructed to transfer the external force received to the bevel gear through the wrench head, and finally to the presser foot column.

[0013] In a preferred example, the bearing sleeve is connected to the shaft via threads.

[0014] In a preferred example, the threaded seat is connected to the variable diameter disc screw.

[0015] In a preferred example, the motor is connected to the shaft via a sleeve coupling.

[0016] In a preferred example, the bearing sleeve is connected to the shaft by a locking nut.

[0017] This application has at least the following beneficial technical effects:

[0018] The device can realize cold pressing of bearings. The device has strong versatility. The device is rigidly connected to the shaft through the motor, and the motor terminal box is provided with forward and reverse buttons. When the forward button is pressed, the shaft moves downward through the threaded transmission. When the reverse button is pressed, the shaft moves upward through the threaded transmission. The device is provided with a variable diameter disc to adjust the relative position of the presser foot column and the outer circle of the bearing. A replaceable bearing sleeve is provided, and different bearings can be installed by replacing the sleeve and the pressing sleeve. A locking nut is provided between the bearing sleeve and the shaft to prevent the sleeve from falling when the motor reverses. A threaded seat is provided on the upper seat of the variable diameter disc, and the threaded seat is replaceable, so that the service life of the whole device is longer. The device has a simple structure, a small size and strong mobility.

[0019] The specification of the present application records a large number of technical features, which are distributed in various technical solutions. If all possible combinations of technical features of the present application (i.e., technical solutions) are to be listed, the specification will be too long. In order to avoid this problem, the various technical features disclosed in the above-mentioned invention content of the present application, the various technical features disclosed in the various embodiments and examples below, and the various technical features disclosed in the accompanying drawings can be freely combined with each other to form various new technical solutions (these technical solutions should all be regarded as having been recorded in this specification), unless the combination of such technical features is technically infeasible. For example, in one example, feature A+B+C is disclosed, and in another example, feature A+B+D+E is disclosed, and features C and D are equivalent technical means that play the same role. Technically, only one can be used, and it is impossible to use them at the same time. Feature E can be combined with feature C technically. Then, the solution of A+B+C+D should not be regarded as having been recorded because it is technically infeasible, and the solution of A+B+C+E should be regarded as having been recorded. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of an electric device for cold-pressing and assembling bearings according to the present application;

[0021] Figure 2A is a front cross-sectional view of a guide rail according to the present application;

[0022] Figure 2B , 2C They are Figure 2A AA view and top view in;

[0023] Figure 3A is a longitudinal cross-sectional view of a guide pulley assembly according to the present application;

[0024] Figure 3B yes Figure 3A Front view with partial section in the middle;

[0025] Figure 4 yes Figure 2A AA view and top view in;

[0026] Figure 5A , 5B They are respectively a top view and a cross-sectional view of the disc tooth according to the present application;

[0027] Fig. 6A , 6B They are respectively a front view and a top view with partial sections of the movable block according to the present application;

[0028] Fig. 7A , 7B They are respectively a front view and a top view with a partial section of the bevel gear according to the present application;

[0029] Fig. 8A , 8B They are respectively a cross-sectional view and a top view of the compression sleeve nut according to the present application;

[0030] Description of reference numerals:

[0031] 1-guide rail; 11-lifting plate; 12-upper sealing plate; 13-square steel pipe; 131 screw hole; 132 thread hole; 14-lower sealing plate;

[0032] 2-guide pulley block; 21-fastener; 22-steel pulley; 23-side plate; 24-limiting plate; 25-bottom plate;

[0033] 3- Variable diameter disc upper seat;

[0034] 4-variable diameter disc; 41-lever; 42-wrench head; 43-disc teeth; 431-oblique tooth groove; 432-end face groove; 44-live block; 441-end face teeth; 442-thread hole; 45-disc body; 46-disc cover; 47-bevel teeth; 471-wrench head hole; 472-bevel tooth groove;

[0035] 5-Presser foot

[0036] 6-Bearing sleeve

[0037] 7-Bearing

[0038] 8-Connection frame

[0039] 9-Impeller shaft

[0040] 100-Short Bushing

[0041] 110-Bearing sleeve

[0042] 120-Planar bearing

[0043] 130-Lock nut

[0044] 140-Threaded Seat

[0045] 150-Axis

[0046] 160-Sleeve Coupling

[0047] 170-Motor DETAILED DESCRIPTION

[0048] In the following description, many technical details are provided to help readers better understand the present application. However, those skilled in the art can understand that the technical solution claimed in the present application can be implemented even without these technical details and various changes and modifications based on the following embodiments.

[0049] The following is a brief description of some innovative aspects of the implementation methods of this application:

[0050] The electric device for cold pressing and assembling bearings of the present application is as follows Figure 1 As shown, including:

[0051] The guide rail 1 and the guide pulley block 2 limit the vertical displacement of the components of the whole device for cold pressing. Figure 2A , 2B As shown, it includes a longitudinally extending square steel tube 13, and an upper sealing plate 12 and a lower sealing plate 14 are provided at both ends of the square steel tube 13, which are orthogonal to the extending direction of the square steel tube, respectively defining the upper limit position and the lower limit position of the device. A lifting plate 11 is also provided above the upper sealing plate 12, and the lifting plate 11 has a through hole for crane lifting, for example. The steel pulley 22 is limited to sliding displacement in the square steel tube, and the limit plate 24 limits the guide pulley block to avoid lateral deviation. The bottom plate 25 of the guide pulley block carries the motor 170, and the shaft 150 passes through the bottom plate through hole.

[0052] The variable diameter disc 4 is a component for operating the cold press. Figure 4 As shown, the main parts include a lever 41 for operation, a wrench 42, a disc tooth 43, and a loose block 44. A plurality of bevel teeth 47 (structured as shown in FIG. 4 ) are installed under the disc teeth. Fig. 7A , 7B As shown), the bevel tooth groove 472 contacts the disc tooth helical tooth groove 431. In an advantageous embodiment, there are three bevel teeth and three loose pieces.

[0053] Three loose blocks are installed in the groove 432 on the end face of the disc teeth. The three bevel teeth are evenly distributed in the disc body. The operator inserts a wrench 42 into any one of them, and inserts a lever 41 into the far end of the wrench. Rotate the lever 41 to transmit force to the bevel teeth 47, the bevel teeth drive the disc teeth to rotate, and the disc teeth drive the other two bevel teeth to rotate at the same time. When the disc teeth rotate, the loose blocks are driven to move toward the axis or the anti-axis, and the three pressure foot columns 5 in the loose blocks also move together. According to the position of the pressure foot column 5, the device can be adapted for the installation of bearings with different diameters by expanding outward or moving inward in the radial direction.

[0054] The presser foot column 5 is used for equipment support. In an advantageous embodiment, three presser foot columns are set up, which are respectively connected to the variable diameter disc movable block by threads.

[0055] The bearing sleeve 6 is connected to the shaft 150 by threads, and a locking nut is provided to prevent the bearing sleeve 6 from falling off when the motor runs in reverse. In an advantageous embodiment, the locking nut is shown in FIG8 .

[0056] The threaded seat 140 cooperates with the stopper on the variable diameter disc 4 and is connected with screws for easy removal and replacement.

[0057] The motor 170 is connected to the shaft 150 via a sleeve coupling 160 .

[0058] The motor junction box is equipped with one forward and one reverse button.

[0059] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0060] The process of cold pressing and assembling the bearing using the device of the present application is as follows:

[0061] S1, manually install the short sleeve 100 and insert the bearing 7;

[0062] S2. Start to use the bearing cold pressing device. When in use, screw the bearing sleeve 6 of the appropriate specification onto the shaft, and tighten the anti-loosening nut to the bearing sleeve;

[0063] S3. Insert a wrench into any bevel tooth of the variable diameter disc and insert the wrench rod;

[0064] S4. Rotate the lever clockwise or counterclockwise to adjust the position of the presser foot relative to the outer circle of the bearing;

[0065] S5. Pull out the lever and the wrench;

[0066] S6. Place the equipment on the connecting frame (pump parts, bearing assembly cavity);

[0067] S7. Press the reverse button at the motor junction box, and the motor and the press-fitting equipment will rise along with the guide rail until the bearing sleeve is higher than the shaft head;

[0068] S8, first place the bearing sleeve on the bearing, and then place the plane bearing on the bearing sleeve;

[0069] S9. Press the forward button at the motor junction box, and the motor and the press-fitting equipment will descend along the guide rail until the bearing is pressed into the short shaft sleeve.

[0070] S10. Press the reverse button at the motor junction box, and the motor and the press-fitting equipment will rise along with the guide rail until the bearing sleeve is higher than the shaft head;

[0071] S11, remove the plane bearing and bearing sleeve in turn;

[0072] S12. Remove the bearing cold pressing device from the entire machine.

[0073] It should be noted that in the application documents of this patent, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one" do not exclude the existence of other identical elements in the process, method, article or device including the elements. In the application documents of this patent, if it is mentioned that an action is performed according to an element, it means that the action is performed at least according to the element, which includes two situations: performing the action only according to the element, and performing the action according to the element and other elements. Expressions such as multiple, multiple, and multiple include 2, 2 times, 2 kinds, and more than 2, more than 2 times, and more than 2 kinds.

[0074] This specification includes combinations of the various embodiments described herein. Individual references to "one embodiment" or a particular embodiment, etc., do not necessarily refer to the same embodiment; however, these embodiments are not mutually exclusive unless indicated as mutually exclusive or clear to those skilled in the art. It should be noted that the word "or" is used in this specification in a non-exclusive sense unless the context clearly indicates or requires otherwise.

[0075] All documents mentioned in this application are considered to be included in the disclosure of this application as a whole, so that they can be used as the basis for modification when necessary. In addition, it should be understood that after reading the above disclosure of this application, those skilled in the art can make various changes or modifications to this application, and these equivalent forms also fall within the scope of protection claimed in this application.

Claims

1. An electric device for cold pressing and assembling bearings, characterized in that: include: Guide rails, guide pulleys, variable diameter discs, presser foot posts, shafts, couplings, motors; among them, The guide rail extends in the longitudinal direction, and the guide pulley group carries the component to be cold pressed and moves in the longitudinal direction; The variable diameter disc is connected to the presser foot column; the variable diameter disc is configured to move the position of the presser foot column under an external driving force, thereby limiting the bearing diameter; The shaft is connected to the motor through a coupling and penetrates the through hole of the variable diameter disc.

2. The electric device according to claim 1, characterized in that: The variable diameter circular disc comprises: disc teeth, the upper end surface of the disc teeth having oblique tooth grooves, and the lower end surface having end surface grooves; and A plurality of movable blocks are provided, wherein the end face teeth of the plurality of movable blocks are meshed with the end face grooves of the disc teeth; and the plurality of presser foot posts are connected to the variable diameter disc by cooperating with each of the movable blocks.

3. The electric device according to claim 2, characterized in that: The variable diameter disc further comprises: a bevel tooth, the outer end surface of the bevel tooth having a beveled bevel tooth groove, the bevel tooth groove being configured to mesh with the bevel tooth groove of the disc tooth; The inner cavity of the bevel gear is provided with a wrench hole.

4. The electric device according to claim 3, characterized in that: A lever and a wrench head; wherein the lever is connected to the bevel gear through the wrench head, and the lever is constructed to transfer the external force received to the bevel gear through the wrench head, and finally to the presser foot column.

5. The electric device according to claim 1, characterized in that: The bearing sleeve is connected to the shaft via threads.

6. The electric device according to claim 1, characterized in that: The threaded seat is connected with the variable diameter disc screw.

7. The electric device according to claim 1, characterized in that: The motor is connected to the shaft via a sleeve coupling.

8. The electric device according to claim 5, characterized in that: The bearing sleeve is connected to the shaft via a locking nut.

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