Fixing jig for machining of bearing seat

Abstract

The utility model belongs to the technical field of bearing seat machining, especially a kind of fixing clamp for bearing seat machining, present and propose the following scheme, including base and the clamping mechanism of being installed on base, the clamping mechanism includes limit table, cylinder, connecting rod, connecting plate one, slider one, screw two, slider two, nut and limit plate, the connecting rod both ends straight rod is passed through limit table setting.This utility model can directly drive cylinder after bearing seat machining is finished, retract its piston rod, when connecting plate one and limit plate then do not contact with bearing seat, no longer limit bearing seat, bearing seat can be removed, replace the bearing seat of the same specification of next to be machined, and at this time, only drive cylinder, connecting plate one and limit plate can be controlled to the bearing seat of the same specification and be fixed clamped, according to the size of bearing seat, adaptive adjustment is carried out, and subsequent bearing seat of the same specification is conveniently and quickly taken and placed.

Description

Technical Field

[0001] This utility model relates to the field of bearing housing processing technology, and in particular to a fixing fixture for bearing housing processing. Background Technology

[0002] The inner support point of a bearing is the shaft, and the outer support is the bearing housing. Traditional bearing housings are usually cast parts, produced by casting. Bearing housings are divided into upper and lower housings. During assembly, there may be a misalignment between the upper and lower housings, resulting in inaccurate bearing installation and gaps. Therefore, it is necessary to grind the inner diameter of the bearing housing to ensure the smoothness of the inner ring and to adjust the shaft to ensure the precision of the bearing installation.

[0003] Chinese Patent Publication No. CN 219212776 U discloses a fixture for manufacturing and processing bearing housings, including side pressure components fixed on both sides of the bearing housing. One end of the bearing housing abuts against the inner side of the mounting base, and the other end of the bearing housing is provided with a cylinder. A push rod is connected to the cylinder rod of the cylinder, and the push rod is pressed against the arc-shaped surface of the bearing housing through an arc-shaped clamping block.

[0004] The above technical solution has the following problems during use:

[0005] The clamping and fixing of non-standard bearing housings is quite limited, and the adaptability is also limited. Each time the bearing housing is picked up or put down, the corresponding parts on the fixture need to be manually operated, which is time-consuming and labor-intensive, affecting the overall processing of the bearing housing. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by providing a fixing fixture for machining bearing housings, thereby solving the problems mentioned in the background section.

[0007] A fixing fixture for machining bearing housings includes a base and a clamping mechanism mounted on the base. The clamping mechanism includes a limiting platform, a cylinder, a connecting rod, a first connecting plate, a first slider, a second screw, a second slider, a nut, and a limiting plate. The two ends of the connecting rod pass through the limiting platform. The cylinder is mounted in the middle of the connecting rod, and its output end is fixedly connected to the limiting platform. The first slider is fixed at both ends of the connecting rod and slidably disposed in the middle groove of the first connecting plate. The second slider is slidably disposed in the two side grooves of the limiting plate. The second screw is fixed to the first connecting plate and passes through the second slider. The nut is used to limit the limiting plate to the second screw.

[0008] By adopting the above technical solution, the bearing housing can be adjusted according to its size, facilitating the quick placement and removal of bearing housings of the same specifications.

[0009] A screw is rotatably mounted on one end of the limiting platform, and a stop block is rotatably provided on one end of the screw. The stop block is used to restrict the bearing seat from moving to one side.

[0010] By adopting the above technical solution, the movement of the bearing housing is restricted.

[0011] A limiting head is provided on one side of the connecting plate, and the limiting head is configured in the form of a frustum.

[0012] By adopting the above technical solution, the bearing housing can be embedded in the mounting hole and the bearing housing can be defined.

[0013] The limiting plate has an arc-shaped structure in the middle and sliding grooves on both sides.

[0014] By adopting the above technical solution, the upper end of the bearing housing is restricted.

[0015] The limiting platform has a groove in the middle of the side facing the limiting plate.

[0016] By adopting the above technical solution, the bottom of the bearing housing can be placed in the groove, which facilitates the subsequent clamping of the bearing housing.

[0017] The beneficial effects of this utility model of a fixing fixture for machining bearing housings are:

[0018] After the bearing housing is machined, the cylinder can be driven directly to retract its piston rod. At this time, the connecting plate and the limiting plate will no longer contact the bearing housing and will no longer restrict the bearing housing. The bearing housing can then be removed and replaced with the next bearing housing of the same specification to be machined. At this time, only the cylinder needs to be driven to control the connecting plate and the limiting plate to fix and clamp the bearing housing of the same specification. The size of the bearing housing can be adjusted accordingly to facilitate the quick loading and unloading of subsequent bearing housings of the same specification. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the fixing fixture for machining bearing seats proposed in this utility model;

[0020] Figure 2 This is another perspective view of the fixing fixture for machining the bearing housing proposed in this utility model.

[0021] In the diagram: 1. Base; 2. Limiting platform; 3. Cylinder; 4. Connecting rod; 5. Connecting plate one; 501. Limiting head; 6. Slider one; 7. Screw one; 8. Abutment block; 9. Screw two; 10. Slider two; 11. Nut; 12. Limiting plate. Detailed Implementation

[0022] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0023] Reference Figure 1-2 A fixing fixture for machining bearing seats includes a base 1 and a clamping mechanism mounted on the base 1. The clamping mechanism includes a limiting platform 2, a cylinder 3, a connecting rod 4, a connecting plate 5, a slider 6, a screw 9, a slider 10, a nut 11, and a limiting plate 12. The connecting rod 4 has straight rods at both ends that pass through the limiting platform 2. The cylinder 3 is mounted in the middle of the connecting rod 4, and its output end is fixedly connected to the limiting platform 2. The slider 6 is fixed at both ends of the connecting rod 4 and slidably disposed in the middle groove of the connecting plate 5. The slider 10 is slidably disposed in the two side grooves of the limiting plate 12. The screw 9 is fixed on the connecting plate 5 and passes through the slider 10. The nut 11 is used to limit the limiting plate 12 to the screw 9.

[0024] Arrange the bearing housing as follows Figure 1 The bearing seat is placed on the base 1 as shown. A groove is opened in the middle of the side of the limiting platform 2 facing the limiting plate 12, and one end of the bottom of the bearing seat abuts against one end of the groove of the limiting platform 2. A screw 7 is rotatably installed at one end of the limiting platform 2, and a stop block 8 is rotatably set at one end of the screw 7. The stop block 8 is used to restrict the movement of the bearing seat to one side. Rotating the screw 7 pushes the stop block 8 to fit against the other end of the bottom of the bearing seat, thus limiting the other end of the bottom of the bearing seat. (It is not necessary for the stop block 8 to apply pressure to the bearing seat; it is only necessary for the stop block 8 to restrict the movement of the bearing seat in the direction of the stop block 8.)

[0025] A limiting head 501 is provided on one side of the connecting plate 5. The limiting head 501 is set in the shape of a frustum. When the connecting plate 5 is moved so that the limiting head 501 is facing the mounting hole at the bottom of the bearing seat, the cylinder 3 can be driven to extend its piston rod and pull the connecting rod 4. The connecting rod 4 then pulls the connecting plate 5 to move through the slider 6 until the limiting head 501 is embedded in the mounting hole at the bottom of the bearing seat, thus limiting the bearing seat.

[0026] The limiting plate 12 has an arc-shaped structure in the middle and sliding grooves on both sides. Pushing the limiting plate 12 makes the middle part of the limiting plate 12 fit against the upper end of the bearing seat. Rotating the nut 11 will lock the limiting plate 12 onto the screw 9, thus completing the fixed clamping of the bearing seat. The sliding grooves on both sides of the limiting plate 12 facilitate the adjustment of the connecting plate 5. The screw 9 moves with the connecting plate 5, and the nut 11 can move synchronously in the sliding groove to adjust the position.

[0027] After the bearing housing is processed, the cylinder 3 can be driven directly to retract its piston rod. At this time, the connecting plate 5 and the limiting plate 12 will no longer contact the bearing housing and will no longer restrict the bearing housing. The bearing housing can then be removed and replaced with the next bearing housing of the same specification to be processed. At this time, only the cylinder 3 needs to be driven to control the connecting plate 5 and the limiting plate 12 to fix and clamp the bearing housing of the same specification.

[0028] The embodiments described above are merely examples 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 the 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 modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A fixing clamp for machining a bearing seat, comprising a base (1) and a clamping mechanism mounted on the base (1), characterized in that: The clamping mechanism includes a limiting platform (2), a cylinder (3), a connecting rod (4), a connecting plate (5), a slider (6), a screw (9), a slider (10), a nut (11), and a limiting plate (12). The connecting rod (4) has straight rods at both ends that pass through the limiting platform (2). The cylinder (3) is installed in the middle of the connecting rod (4), and its output end is fixedly connected to the limiting platform (2). The slider (6) is fixed at both ends of the connecting rod (4) and is slidably disposed in the middle groove of the connecting plate (5). The slider (10) is slidably disposed in the two side grooves of the limiting plate (12). The screw (9) is fixed on the connecting plate (5) and passes through the slider (10). The nut (11) is used to limit the limiting plate (12) on the screw (9).

2. The fixing jig for machining a bearing seat according to claim 1, characterized in that: One end of the limiting platform (2) is rotatably mounted with a screw (7), and one end of the screw (7) is rotatably provided with a stop block (8), which is used to restrict the bearing seat from moving to one side.

3. The fixing jig for machining a bearing seat according to claim 2, characterized in that: A limiting head (501) is provided on one side of the connecting plate (5), and the limiting head (501) is arranged in the form of a frustum.

4. The fixing jig for machining a bearing seat according to claim 3, characterized in that: The middle part of the limiting plate (12) is set with an arc-shaped structure, and the two sides are provided with sliding grooves.

5. The fixing jig for machining a bearing seat according to claim 4, characterized in that: The limiting platform (2) has a groove in the middle of the side facing the limiting plate (12).

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