Machine tool bearing mounting structure

Abstract

The utility model relates to the technical field of bearings, and discloses a machine tool bearing mounting structure which comprises a bearing seat, a first sleeve is arranged on the left side of the inner wall of the bearing seat, first sliding rods are slidably connected to the periphery of the right side of the outer wall of the first sleeve, and first arc-shaped plates are fixedly connected to the top ends of the first sliding rods. The bottom of the outer wall of the first sliding rod is fixedly connected with a first spring, the other end of the first spring is fixedly connected with the first sleeve, the left side of the inner wall of the first sleeve is in threaded connection with a second threaded rod, the right end of the second threaded rod is fixedly connected with a first conical head, and the right side of the inner wall of the first sleeve is in threaded connection with a second sleeve. According to the utility model, the arc-shaped plate I is clung to the inner wall of the bearing seat, so that the central point of the inner wall of the bearing seat is consistent with the central point of the sleeve II, and the sliding rod II is clung to the inner wall of the bearing, so that the central points of the bearing and the bearing seat are consistent, a guiding effect is provided during installation, and position deviation during installation is prevented.

Description

Technical Field

[0001] This utility model relates to the field of bearing technology, and in particular to machine tool bearing mounting structure. Background Technology

[0002] Machine tools are machines that manufacture machines, also known as industrial mother machines. They are the basic equipment of the machinery manufacturing industry and are mainly used to process various metals. By removing materials, changing the shape or physical properties of materials, they manufacture parts with specific precision and shape requirements. In the mechanical structure of a machine tool, bearings play a crucial role. In the spindle system of a machine tool, bearings are installed between the spindle and the spindle box.

[0003] The spindle is the core component of a machine tool, and its rotational accuracy directly affects the accuracy of the machined parts. The bearing here supports the spindle, enabling it to rotate with high precision and high speed, reducing friction and wear, and ensuring that the machine tool can stably transmit power to the tool or workpiece during the machining process, so that the tool or workpiece can move precisely according to the set feed rate, thereby producing parts that meet the accuracy requirements.

[0004] To ensure the secure installation of bearings, existing installation methods use a press or hammer to gently press the bearing into the shaft or bearing housing. However, when using a press, uneven or excessive pressure can cause deformation of the inner and outer rings and damage to the raceways, especially for thin-walled or high-precision bearings. Furthermore, without a proper guide during the pressing process, the bearing may tilt or shift, affecting installation accuracy. Therefore, a machine tool bearing installation structure is proposed to address these issues. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a machine tool bearing mounting structure, which aims to improve the problems in the prior art where uneven pressure during the press-fitting of bearings leads to deformation of the inner and outer rings and damage to the raceways, and the bearing may tilt or shift during the press-fitting process without a proper guiding device, affecting the installation accuracy.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a machine tool bearing mounting structure, including a bearing housing, a sleeve 1 provided on the left side of the inner wall of the bearing housing, a sliding rod 1 slidably connected to the right side of the outer wall of the sleeve 1, an arc-shaped plate 1 fixedly connected to the top of the sliding rod 1, a spring 1 fixedly connected to the bottom of the outer wall of the sliding rod 1, the other end of the spring 1 fixedly connected to the sleeve 1, a threaded rod 2 threadedly connected to the left side of the inner wall of the sleeve 1, a conical head 1 fixedly connected to the right end of the threaded rod 2, and a threaded rod 2 threadedly connected to the right end of the threaded rod 2. A sleeve 2 is threadedly connected. Sliding rods 2 are slidably connected to the left side of the outer wall of the sleeve 2. An arc-shaped plate 2 is fixedly connected to the top of the sliding rod 2. A spring 2 is fixedly connected to the bottom of the outer wall of the arc-shaped plate 2. The other end of the spring 2 is fixedly connected to the sleeve 2. A threaded rod 3 is threadedly connected to the right side of the inner wall of the sleeve 2. A conical head 2 is fixedly connected to the left end of the threaded rod 3. Bearings are provided on the outer sides of the multiple arc-shaped plates 2. A pressing mechanism is provided on the outer wall of the sleeve 2. The pressing mechanism is used to push the bearings into the interior of the bearing seat.

[0007] As a further description of the above technical solution:

[0008] The extrusion mechanism includes an extrusion plate, which is fixedly connected to the middle of the outer wall of the second sleeve. A threaded rod is fixedly connected to the top left side of the extrusion plate. A support plate is slidably connected to the outer wall of the first sleeve. Multiple threaded holes are opened on the left side of the outer wall of the support plate, and bolts are threadedly connected to the inner walls of the multiple threaded holes. A hollow tube is fixedly connected to the right side of the outer wall of the support plate. A rotating bolt is rotatably connected to the right side of the outer wall of the hollow tube, and the rotating bolt is threadedly connected to the threaded rod.

[0009] As a further description of the above technical solution:

[0010] The left end of the threaded rod is fixedly connected to a turntable, and anti-slip grooves are provided on all four sides of the outer wall of the turntable.

[0011] As a further description of the above technical solution:

[0012] A rotating handle is fixedly connected to the right end of the threaded rod three, and a rotating rod is rotatably connected to the right side of the outer wall of the rotating handle.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the second sleeve has multiple graduated grooves on the front side, and the multiple graduated grooves are arranged at equal intervals on the outer wall of the second sleeve.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the rotating bolt is provided with hexagonal holes on all four sides, and a hexagonal wrench is provided on the inner wall of the hexagonal hole at the top.

[0017] As a further description of the above technical solution:

[0018] A rubber pad is fixedly connected to the left side of the outer wall of the extrusion plate, and the second sleeve passes through the rubber pad.

[0019] As a further description of the above technical solution:

[0020] An information board is provided on the top left side of the support plate. Screws are threaded around the outer wall of the information board, and the information board is threaded to the support plate through the screws.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by placing the bearing on the outside of the sleeve two, rotating the threaded rod two drives the conical head one to move to the right, pressing the multiple sliding rods one to be lifted and the arc plate one to be pressed tightly against the inner wall of the bearing seat, thereby ensuring that the center point of the inner wall of the bearing seat is consistent with the center point of the sleeve two. Then, rotating the handle drives the conical head two to press the multiple sliding rods two to be pressed tightly against the inner wall of the bearing, thereby ensuring that the center point of the bearing and the bearing seat is consistent, providing a guiding effect during installation and preventing the position from shifting during installation.

[0023] 2. In this utility model, by adjusting the bolt, the right end of the bolt is made to fit with the left end of the bearing seat. Then, by rotating the rotating bolt, the threaded rod moves to the left, thereby driving the extrusion plate and the sleeve to move to the left. The extrusion bearing is extruded into the bearing seat. The sleeve and the extrusion plate extrude the bearing to ensure that the bearing is subjected to uniform force. Furthermore, by manually rotating the rotating bolt, the speed at which the extrusion bearing enters the bearing seat can be controlled, preventing deformation of the inner and outer rings of the bearing and damage to the raceway, thereby improving the practicality of the device. Attached Figure Description

[0024] Figure 1 This is a perspective view of the machine tool bearing mounting structure proposed in this utility model;

[0025] Figure 2 This is a front view of the machine tool bearing mounting structure proposed in this utility model;

[0026] Figure 3 This is a partial structural exploded view of the machine tool bearing mounting structure proposed in this utility model;

[0027] Figure 4 This is a partial structural cross-sectional view of the machine tool bearing mounting structure proposed in this utility model;

[0028] Figure 5 This is an exploded view of the extrusion mechanism of the machine tool bearing mounting structure proposed in this utility model;

[0029] Figure 6 This is a schematic diagram of the extrusion mechanism of the machine tool bearing mounting structure proposed in this utility model.

[0030] Legend:

[0031] 1. Bearing housing; 2. Extrusion mechanism; 201. Extrusion plate; 202. Threaded rod one; 203. Support plate; 204. Threaded hole; 205. Bolt; 206. Hollow tube; 207. Rotating bolt; 3. Sleeve one; 4. Information board; 5. Sliding rod one; 6. Arc plate one; 7. Spring one; 8. Threaded rod two; 9. Conical head one; 10. Sleeve two; 11. Screw; 12. Sliding rod two; 13. Arc plate two; 14. Spring two; 15. Threaded rod three; 16. Conical head two; 17. Bearing; 18. Turntable; 19. Anti-slip groove; 20. Rotating handle; 21. Rotating rod; 22. Scale groove; 23. Hexagonal hole; 24. Hexagonal wrench; 25. Rubber pad. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figure 1 , Figure 3 and Figure 4This utility model provides an embodiment of a machine tool bearing mounting structure, including a bearing housing 1, which provides an installation position for a bearing 17. A sleeve 3 is provided on the left side of the inner wall of the bearing housing 1. The sleeve 3 provides a mounting base for other components and also serves to connect with them. Sliding rods 5 are slidably connected to the right side of the outer wall of the sleeve 3. An arc-shaped plate 6 is fixedly connected to the top of the sliding rod 5. The sliding rod 5 and the arc-shaped plate 6 are fixedly connected. Moving the sliding rod 5 controls the opening radius of the arc-shaped plate 6. A spring 7 is fixedly connected to the bottom of the outer wall of the sliding rod 5. The other end of the spring 7 is fixedly connected to the sleeve 3. The spring 7 and... Sliding rod 5 and sleeve 3 are fixedly connected, so that when spring 7 extends, it presses sliding rod 5, causing sliding rod 5 to retract into sleeve 3. A threaded rod 8 is threadedly connected to the left side of the inner wall of sleeve 3. A conical head 9 is fixedly connected to the right end of threaded rod 8. Rotating threaded rod 8 causes conical head 9 to move left and right, thus pressing sliding rod 5 and controlling the extension length of sliding rod 5, thereby supporting the inner wall of bearing seat 1. A sleeve 10 is threadedly connected to the right side of the inner wall of sleeve 3. Sleeve 10 is used to ensure that the center point of bearing 17 is aligned with that of bearing seat 1. Sliding rods 12 are slidably connected to the left circumference of the outer wall of sleeve 10. An arc-shaped plate 13 is fixedly connected to the top. A sliding rod 12 allows the arc-shaped plate 13 to support the inner wall of the bearing 17. A spring 14 is fixedly connected to the bottom of the outer wall of the arc-shaped plate 13. The spring 14 is used to restore the position of the sliding rod 12. The other end of the spring 14 is fixedly connected to the sleeve 10. A threaded rod 15 is threaded to the right side of the inner wall of the sleeve 10. A conical head 16 is fixedly connected to the left end of the threaded rod 15. Rotating the threaded rod 15 causes the conical head 16 to move left and right, pressing the sliding rod 12 and controlling the extension length of the sliding rod 12. Bearings 17 are provided on the outer side of multiple arc-shaped plates 13. The bearings 17 are mounted on the bearings. The inner wall of the seat 1 and the outer wall of the sleeve 2 10 are provided with a pressing mechanism 2, which is used to push the bearing 17 into the interior of the bearing seat 1; the left end of the threaded rod 2 8 is fixedly connected to a turntable 18, which facilitates the rapid rotation of the threaded rod 2 8. The outer wall of the turntable 18 is provided with anti-slip grooves 19, which increase the friction between the hand and the turntable 18 to prevent the hand from slipping; the right end of the threaded rod 3 15 is fixedly connected to a rotating handle 20, and the right side of the outer wall of the rotating handle 20 is rotatably connected to a rotating rod 21, which facilitates the rotation of the rotating handle 20 by rotating the rotating rod 21, thereby controlling the movement distance of the threaded rod 3 15;

[0034] Reference Figure 1 , Figure 5 and Figure 6The extrusion mechanism 2 includes an extrusion plate 201, which is fixedly connected to the middle of the outer wall of the second sleeve 10. The extrusion plate 201 is used to drive the second sleeve 10 to move. A threaded rod 202 is fixedly connected to the top left side of the extrusion plate 201. A support plate 203 is slidably connected to the outer wall of the first sleeve 3. The support plate 203 provides support for other components. Multiple threaded holes 204 are opened on the left side of the outer wall of the support plate 203. Bolts 205 are threadedly connected to the inner walls of the multiple threaded holes 204. By adjusting the bolts 205 so that the right end of the bolts 205 fits against the bearing seat 1, the support plate 203 can be fixed to the left side of the bearing seat 1. A hollow tube 206 is fixedly connected to the right side of the outer wall of the support plate 203. The inner diameter of the hollow tube 206 is larger than the outer diameter of the threaded rod 202. A rotating bolt 207 is rotatably connected to the right side of the wall. The rotating bolt 207 is threadedly connected to the threaded rod 202. Since the rotating bolt 207 is threadedly connected to the threaded rod 202, the rotating bolt 207 is rotatably connected to the hollow tube 206. Rotating the rotating bolt 207 causes the threaded rod 202 to move to the left. Hexagonal holes 23 are opened on all four sides of the outer wall of the rotating bolt 207. A hexagonal wrench 24 is provided on the inner wall of the top hexagonal hole 23. When it is necessary to rotate the rotating bolt 207, the rotating bolt 207 can be easily rotated by inserting the hexagonal wrench 24 into the hexagonal hole 23. A rubber pad 25 is fixedly connected to the left side of the outer wall of the extrusion plate 201. The sleeve 2 10 passes through the rubber pad 25. The rubber pad 25 plays a protective role, preventing the bearing 17 from directly contacting the extrusion plate 201 and causing wear to the bearing 17 during extrusion.

[0035] Reference Figure 2 , Figure 3 and Figure 6 Multiple scale grooves 22 are provided on the front side of the outer wall of the second sleeve 10. The scale grooves 22 make it easy to see the moving distance of the bearing 17. The multiple scale grooves 22 are arranged at equal intervals on the front side of the outer wall of the second sleeve 10. An information plate 4 is provided on the top left side of the support plate 203. The information plate 4 is used to record the usage method and applicable scope of the device. Screws 11 are threaded around the outer wall of the information plate 4. The information plate 4 is threaded to the support plate 203 through the screws 11.

[0036] Working principle: Before using the device, first, the bearing 17 is fitted onto the outside of the sleeve 2 10. After connecting the sleeve 1 3 to the sleeve 2 10 by threads, the multiple arc-shaped plates 6 are aligned with the inner wall of the bearing seat 1. The rotating disc 18 drives the threaded rod 2 8 to rotate. When the threaded rod 2 8 rotates, it drives the conical head 9 to move to the right. As the conical head 9 moves to the right, it squeezes the multiple sliding rods 5, causing the multiple sliding rods 5 to be squeezed and move outward, lifting the arc-shaped plate 6 so that the arc-shaped plate 6 is tightly attached to the bearing seat 1. The inner wall of the bearing 17 is rotated to ensure that the center point of the inner wall of the bearing housing 1 is consistent with the center point of the sleeve 2 10. Then, the rotating handle 20 is rotated to drive the threaded rod 3 15 and the conical head 2 16 to move to the left. The conical head 2 16 presses the multiple sliding rods 2 12 so that the multiple sliding rods 2 12 are in close contact with the inner wall of the bearing 17, thereby confirming that the center point of the bearing 17 is consistent with the center point of the bearing housing 1. The sleeve 2 10 is moved to the left to smoothly install the bearing 17 into the bearing housing 1, providing a guiding role during installation and preventing the position from shifting during installation.

[0037] Furthermore, by fitting the support plate 203 onto the outside of the sleeve 3, and since the rotating bolt 207 is threadedly connected to the threaded rod 202, rotating the rotating bolt 207 causes the left end of the threaded rod 202 to enter the hollow tube 206. Then, rotating the bolt 205 inside the threaded hole 204 adjusts the bolt 205 so that its right end is aligned with the left end of the bearing seat 1. Rotating the rotating bolt 207 again causes the threaded rod 202 to move to the left. Simultaneously, the threaded rod 202 moves to the left, causing the extrusion plate 201 and the sleeve 10 to move to the left, thereby... The moving bearing 17 enters the bearing housing 1, so that the outer wall of the bearing 17 fits against the inner wall of the bearing housing 1. When the bearing 17 enters the appropriate position on the inner wall of the bearing housing 1, the threaded rod 15 is rotated to move the conical head 16 to the right, and the multiple arc plates 13 retract. The rotating bolt 207 is rotated to disengage the threaded rod 202 from the rotating bolt 207, which drives the extrusion plate 201 to move to the right, thereby driving the sleeve 10 to move outward. The threaded rod 8 is rotated to retract the arc plate 6, and the rotating sleeve 3 separates from the sleeve 10, thereby removing the extrusion mechanism 2.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. Machine tool bearing mounting structure comprising a bearing housing (1), characterized in that: The inner wall left side of the bearing seat (1) is provided with sleeve one (3), the outer wall right side of sleeve one (3) is slidably connected with sliding rod one (5) around, the top of sliding rod one (5) is fixedly connected with arc plate one (6), the outer wall bottom of sliding rod one (5) is fixedly connected with spring one (7), the other end of spring one (7) is fixedly connected with sleeve one (3), the inner wall left side of sleeve one (3) is threadedly connected with threaded rod two (8), the right end of threaded rod two (8) is fixedly connected with conical head one (9), the inner wall right side of sleeve one (3) is threadedly connected with sleeve two (10), the outer wall left side of sleeve two (10) is slidably connected with sliding rod two (12) around, the top of sliding rod two (12) is fixedly connected with arc plate two (13), the outer wall bottom of arc plate two (13) is fixedly connected with spring two (14), the other end of spring two (14) is fixedly connected with sleeve two (10), the inner wall right side of sleeve two (10) is threadedly connected with threaded rod three (15), the left end of threaded rod three (15) is fixedly connected with conical head two (16), the outer side of a plurality of arc plate two (13) is provided with bearing (17), the outer wall of sleeve two (10) is provided with extrusion mechanism (2), and the extrusion mechanism (2) is used to push the bearing (17) into the inside of the bearing seat (1).

2. The machine tool bearing mounting structure according to claim 1, characterized by: The extrusion mechanism (2) comprises an extrusion plate (201), the extrusion plate (201) is fixedly connected in the outer wall middle part of the sleeve two (10), the left side top of the extrusion plate (201) is fixedly connected with a threaded rod one (202), the outer wall of the sleeve one (3) is slidably connected with a support plate (203), a plurality of threaded holes (204) are formed in the outer wall left side of the support plate (203), the inner wall of the threaded holes (204) is threadedly connected with a plurality of bolts (205), the outer wall right side of the support plate (203) is fixedly connected with a hollow tube (206), the outer wall right side of the hollow tube (206) is rotatably connected with a rotating bolt (207), and the rotating bolt (207) is threadedly connected with the threaded rod one (202).

3. The machine tool bearing mounting structure according to claim 1, characterized by: The left end of the threaded rod two (8) is fixedly connected with a rotating disc (18), and the outer wall of the rotating disc (18) is provided with anti-skid grooves (19) around.

4. The machine tool bearing mounting structure according to claim 1, characterized by: The right end of the threaded rod three (15) is fixedly connected with a rotating handle (20), and the outer wall right side of the rotating handle (20) is rotatably connected with a rotating rod (21).

5. The machine tool bearing mounting structure according to claim 1, characterized by: A plurality of scale grooves (22) are formed in the outer wall front side of the sleeve two (10), and the scale grooves (22) are equidistantly arranged on the outer wall front side of the sleeve two (10).

6. The machine tool bearing mounting structure according to claim 2, characterized by: The outer wall of the rotating bolt (207) is provided with hexagonal holes (23) around, and the inner wall of the top hexagonal hole (23) is provided with a hexagonal wrench (24).

7. The machine tool bearing mounting structure according to claim 2, characterized by: The outer wall left side of the extrusion plate (201) is fixedly connected with a rubber pad (25), and the sleeve two (10) penetrates the rubber pad (25).

8. The machine tool bearing mounting structure according to claim 2, characterized by: The left top of the support plate (203) is provided with an information board (4), the outer wall of the information board (4) is screw-connected with a screw (11) around, and the information board (4) is screw-connected with the support plate (203) through the screw (11).

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