Automatic bullet train bearing press-fitting equipment

Abstract

The utility model relates to automatic bullet train bearing press-fitting equipment in the technical field of bearing press-fitting. Comprising a press-fitting structure used for press-fitting a bearing, and a limiting structure used for positioning the bearing is installed in the middle of the press-fitting structure. The press-fitting structure comprises a workbench, two clamping assemblies used for pressing the bearing are installed in the middle of the workbench, and the moving directions of the two clamping assemblies are opposite. When the bearing is pressed, the bearing is placed in the middle of the workbench, a second pressing plate is pressed downwards, the second pressing plate is matched with a sliding rod to drive a sliding ejector block to move downwards, a first push plate and a second push plate are driven to stretch out of a groove cavity of a sliding groove and abut against the inner wall of the bearing, and therefore the bearing is positioned; and the reciprocating lead screw is matched to control the clamping assemblies to get close to each other to clamp the outer wall of the bearing, finally, the air cylinder controls the first pressing plate to press the bearing, manual press fitting is not needed, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing press-fitting, in particular to an automated motor vehicle bearing press-fitting device. Background Art

[0002] In the production and processing of EMU bearings, the bearings are often pressed by a press-fitting device. For example, a tool for assembling a fully loaded self-locking cylindrical roller bearing disclosed in Chinese patent application number CN202223172024.4 has the following specific contents: the outer ring of the bearing is placed on a base and located below a pressure head. The cylindrical roller is first placed in the raceway of the outer ring of the bearing in sequence, and then the three expansion petals are placed in the outer ring of the bearing. Then the pressure head is aligned with the center hole surrounded by the three expansion petals, and the force rod is manually pressed down. The force rod drives the pressure head below the press-fitting rod to be pressed into the center hole. The pressure head drives the three expansion petals to expand and press the cylindrical roller into the raceway of the outer ring of the bearing. The lever theorem is used to improve the assembly of the fully loaded self-locking cylindrical roller bearing by the press-fitting method, reduce the labor intensity of workers, eliminate or reduce the damage to the roller surface caused by hammering, and the pressure head and the expansion mechanism cooperate with each other by applying pressure to the force rod. During the press-fitting process, the bearing position is manually adjusted appropriately so that the press-fitting rod falls perpendicular to the base plane, thereby completing the bearing assembly. However, the following technical problems still exist:

[0003] The above press-fitting process requires manual press-fitting of the bearings. When press-fitting a large number of bearings, the manual press-fitting operation is time-consuming and labor-intensive, and affects production efficiency. Utility Model Content

[0004] In order to solve the problem that manual press-fitting operation is time-consuming and labor-intensive as mentioned in the above background technology, the present invention provides the following technical solutions:

[0005] An automated motor vehicle bearing press-fitting device, comprising a press-fitting structure for press-fitting a motor vehicle bearing;

[0006] A limiting structure for positioning the motor vehicle bearing is installed in the middle of the press-fit structure.

[0007] The press-fitting structure comprises a workbench, a clamping assembly for pressing the motor vehicle bearing is installed in the middle of the workbench, two clamping assemblies are provided, and the moving directions of the two clamping assemblies are opposite.

[0008] A power assembly for controlling the movement of the two clamping assemblies is installed at the lower end of the clamping assembly.

[0009] The limiting structure includes a positioning assembly for positioning the motor vehicle bearing, and the limiting structure includes a limiting column for limiting the positioning assembly. The upper end of the limiting column is equipped with a positioning rod for cooperating with the limiting column to lock the positioning assembly.

[0010] Furthermore, the press-fitting structure includes a press plate 1 for press-fitting the EMU bearing, a cylinder for controlling the up and down movement of the press plate 1 is installed on the upper end of the press plate 1, and a limit frame for limiting the cylinder is installed on the upper end of the cylinder.

[0011] Furthermore, the clamping assembly includes a clamping plate for clamping the motor vehicle bearing, a connecting block for limiting the clamping plate is installed at the lower end of the clamping plate, and a lead screw nut is installed at the lower end of the connecting block.

[0012] Furthermore, the power assembly includes a reciprocating screw for cooperating with a screw nut to control the clamping plate to move left and right, and a motor for controlling the reciprocating screw to rotate is installed at the right end of the reciprocating screw.

[0013] Furthermore, a sliding cavity is provided inside the limiting column, and sliding grooves are provided on the left and right sides of the sliding cavity.

[0014] Furthermore, a handle is installed at one end of the positioning rod.

[0015] Furthermore, the positioning assembly includes a push plate 1 and a push plate 2 for sliding in the groove cavity of the slide groove, and the push plate 1 and the push plate 2 are movably connected through a pin shaft.

[0016] Furthermore, a fixed base is installed at the lower end of the push plate 2, and a limit block 1 for limiting the push plate 2 is installed on the left and right sides of the fixed base; a sliding top block is installed on the upper end of the push plate 1, and the sliding top block slides up and down in the cavity of the sliding cavity, and a limit block 2 for limiting the push plate 1 is installed on the left and right sides of the sliding top block.

[0017] Furthermore, a sliding rod is installed at the upper end of the sliding top block, a pressure plate 2 is installed at the top of the sliding rod, a plurality of positioning holes for cooperating with the positioning rod to position the sliding top block are opened in the middle of the sliding rod, and a spring for cooperating with the sliding top block to control push plate 1 and push plate 2 for reset is installed at the upper end of the fixed base.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] When the EMU bearing is press-fitted, the EMU bearing is placed in the middle of the workbench, and the pressure plate 2 is pressed downward so that the pressure plate 2 cooperates with the slide rod to drive the sliding top block to move downward, driving the push plates 1 and 2 to extend out of the groove cavity of the slide groove and abut against the inner wall of the EMU bearing to position the EMU bearing, and then the reciprocating screw is used to control the clamping components to approach each other to clamp the outer wall of the EMU bearing, and finally the EMU bearing is press-fitted by controlling the pressure plate 1 through the cylinder, without manual press-fitting, which is more time-saving and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the press-fit structure of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the clamping assembly of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the limiting structure of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the positioning component of the utility model.

[0025] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0026] 001-pressed structure;

[0027] 100-working table, 110-pressing plate 1, 111-cylinder, 112-limiting frame, 200-clamping assembly, 210-clamping plate, 211-connecting block, 212-screw nut, 300-power assembly, 310-reciprocating screw, 311-motor;

[0028] 002-limiting structure;

[0029] 400-positioning assembly, 410-push plate one, 420-push plate two, 430-fixed base, 431-limit block one, 440-sliding top block, 441-limit block two, 442-slide rod, 443-pressure plate two, 444-positioning hole, 450-spring, 500-limit column, 510-slide cavity, 520-slide groove, 600-positioning rod, 610-handle. DETAILED DESCRIPTION

[0030] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0031] See also Figure 1-Figure 5 The utility model provides an automated motor vehicle bearing press-fitting device.

[0032] The press-fitting structure 001 includes a workbench 100, and the press-fitting structure 001 includes a pressure plate 110 for press-fitting the EMU bearing. A cylinder 111 for controlling the pressure plate 110 to move up and down is fixedly installed on the upper end of the pressure plate 110, and a limit frame 112 for limiting the cylinder 111 is fixedly installed on the upper end of the cylinder 111.

[0033] A clamping assembly 200 for clamping the motor vehicle bearing is installed in the middle of the workbench 100. Two clamping assemblies 200 are provided, and the moving directions of the two clamping assemblies 200 are opposite. The clamping assembly 200 includes a clamping plate 210 for clamping the motor vehicle bearing, so as to facilitate the press-fitting of the pressure plate 110. A connecting block 211 for limiting the clamping plate 210 is fixedly installed at the lower end of the clamping plate 210. A lead screw nut 212 that cooperates with the power assembly 300 to control the clamping plate 210 to move left and right is fixedly installed at the lower end of the connecting block 211.

[0034] The lower end of the clamping assembly 200 is movably mounted with a power assembly 300 for controlling the movement of the two clamping assemblies 200. The power assembly 300 includes a reciprocating screw 310 for cooperating with the screw nut 212 to control the clamping plate 210 to move left and right, and the spiral grooves on both sides of the rod body of the reciprocating screw 310 have opposite rotation directions, so that when the reciprocating screw 310 rotates, the two clamping plates 210 move in opposite directions. The right end of the reciprocating screw 310 is mounted with a motor 311 for controlling the rotation of the reciprocating screw 310. After the motor 311 is started, it drives the reciprocating screw 310 to rotate, and synchronously drives the screw nuts 212 on both sides of the reciprocating screw 310 to approach each other, so that the connecting block 211 drives the clamping plate 210 to clamp the motor vehicle bearing, so that the motor vehicle bearing remains stable during press-fitting.

[0035] A limiting structure 002 for positioning the motor vehicle bearing is installed in the middle of the press-fit structure 001. The limiting structure 002 includes a positioning assembly 400 for positioning the motor vehicle bearing, and the positioning assembly 400 includes a push plate 1 410 and a push plate 2 420 for sliding in the groove cavity of the slide groove 520, and the push plate 1 410 and the push plate 2 420 are movably connected through a pin shaft, and the slide groove 520 limits the push plate 1 410.

[0036] A fixed base 430 is movably installed at the lower end of the push plate 420, and the fixed base 430 is fixedly installed at the bottom of the sliding cavity 510. Limit blocks 431 for limiting the push plate 420 are fixedly installed on the left and right sides of the fixed base 430, and the push plate 420 is movably installed in the middle of the fixed base 430. A sliding top block 440 is installed at the upper end of the push plate 410, and the sliding top block 440 slides up and down in the cavity of the sliding cavity 510. Limit blocks 441 for limiting the push plate 410 are installed on the left and right sides of the sliding top block 440, and the push plate 410 is movably installed in the middle of the limit block 441.

[0037] A slide rod 442 is fixedly installed on the upper end of the sliding top block 440, and a pressure plate 2 443 is fixedly installed on the top end of the slide rod 442, so as to press the sliding top block 440 downward so that the push plate 1 410 and the push plate 2 420 extend out of the groove cavity of the slide groove 520 and press against the inner wall of the EMU bearing to position the EMU bearing. A plurality of positioning holes 444 for cooperating with the positioning rod 600 to position the sliding top block 440 are provided in the middle of the sliding rod 442. A spring 450 for cooperating with the sliding top block 440 to control the push plate 1 410 and the push plate 2 420 to reset is installed on the upper end of the fixed base 430. When the positioning rod 600 cancels the locking of the positioning assembly 400, the spring 450 pushes the sliding top block 440, so that the push plate 1 410 and the push plate 2 420 cancel the limiting of the EMU bearing, so that after the EMU bearing is pressed, it is convenient to replace the EMU bearing and press-fit the next EMU bearing that has not been assembled.

[0038] The limiting structure 002 includes a limiting column 500 for limiting the positioning assembly 400, a sliding cavity 510 is provided inside the limiting column 500, and sliding grooves 520 for limiting the push plate 1 410 and the push plate 2 420 are provided on the left and right sides of the sliding cavity 510. A positioning rod 600 for cooperating with the limiting column 500 to lock the positioning assembly 400 is installed on the upper end of the limiting column 500, and a handle 610 is fixedly installed on one end of the positioning rod 600. A hole cavity for the positioning rod 600 to be extended and retracted is provided on the upper end of the limiting column 500, so that the positioning rod 600 can be inserted into the hole cavity of the positioning hole 444 through the limiting column 500 to lock the positioning assembly 400, so that when the push plate 1 410 and the push plate 2 420 are completely against the inner wall of the motor vehicle bearing, the positioning rod 600 is inserted into the hole cavity of the positioning hole 444 to lock the positioning assembly 400.

[0039] When the EMU bearing is press-fitted, the EMU bearing is placed in the middle of the workbench 100, and the pressure plate 2 443 is pressed downward so that the pressure plate 2 443 cooperates with the slide rod 442 to drive the sliding top block 440 to move downward, driving the push plate 1 410 and the push plate 2 420 to extend out of the groove cavity of the slide groove 520 and abut against the inner wall of the EMU bearing to position the EMU bearing, and then cooperate with the reciprocating screw 310 to control the clamping assembly 200 to approach each other to clamp the outer wall of the EMU bearing, and finally the EMU bearing is press-fitted by controlling the pressure plate 1 110 through the cylinder 111.

[0040] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. An automated EMU bearing press-fitting device, comprising a press-fitting structure (001) for press-fitting EMU bearings, characterized in that: A limiting structure (002) for positioning the motor vehicle bearing is installed in the middle of the press-fit structure (001); The press-fitting structure (001) comprises a workbench (100), a clamping assembly (200) for pressing the motor vehicle bearing is installed in the middle of the workbench (100), two clamping assemblies (200) are provided, and the moving directions of the two clamping assemblies (200) are opposite; A power assembly (300) for controlling the movement of the two clamping assemblies (200) is installed at the lower end of the clamping assembly (200); The limiting structure (002) comprises a positioning assembly (400) for positioning a motor vehicle bearing, the limiting structure (002) comprises a limiting column (500) for limiting the positioning assembly (400), and a positioning rod (600) is installed at the upper end of the limiting column (500) for cooperating with the limiting column (500) to lock the positioning assembly (400).

2. The automatic motor vehicle bearing press-fitting equipment according to claim 1 is characterized in that: The press-fitting structure (001) comprises a press plate (110) for press-fitting a motor vehicle bearing, a cylinder (111) for controlling the upward and downward movement of the press plate (110) being installed at the upper end of the press plate (110), and a limit frame (112) for limiting the position of the cylinder (111) being installed at the upper end of the cylinder (111).

3. The automatic motor vehicle bearing press-fitting equipment according to claim 1 is characterized in that: The clamping assembly (200) comprises a clamping plate (210) for clamping a motor vehicle bearing, a connecting block (211) for limiting the position of the clamping plate (210) is installed at the lower end of the clamping plate (210), and a lead screw nut (212) is installed at the lower end of the connecting block (211).

4. The automatic motor vehicle bearing press-fitting equipment according to claim 3 is characterized in that: The power assembly (300) comprises a reciprocating screw (310) for cooperating with a screw nut (212) to control the clamping plate (210) to move left and right, and a motor (311) for controlling the reciprocating screw (310) to rotate is installed at the right end of the reciprocating screw (310).

5. The automatic motor vehicle bearing press-fitting equipment according to claim 1 is characterized in that: A sliding cavity (510) is provided inside the limiting column (500), and sliding grooves (520) are provided on the left and right sides of the sliding cavity (510).

6. The automatic motor vehicle bearing press-fitting equipment according to claim 1 is characterized in that: A handle (610) is installed at one end of the positioning rod (600).

7. The automatic motor vehicle bearing press-fitting equipment according to claim 5 is characterized in that: The positioning assembly (400) comprises a push plate 1 (410) and a push plate 2 (420) for sliding in the groove cavity of the slide groove (520), and the push plate 1 (410) and the push plate 2 (420) are movably connected via a pin shaft.

8. The automatic motor vehicle bearing press-fitting equipment according to claim 7 is characterized in that: A fixed base (430) is installed at the lower end of the push plate 2 (420), and a limit block 1 (431) for limiting the push plate 2 (420) is installed on the left and right sides of the fixed base (430). A sliding top block (440) is installed on the upper end of the push plate 1 (410), and the sliding top block (440) slides up and down in the cavity of the sliding cavity (510), and a limit block 2 (441) for limiting the push plate 1 (410) is installed on the left and right sides of the sliding top block (440).

9. The automatic motor vehicle bearing press-fitting equipment according to claim 8 is characterized in that: A slide rod (442) is installed at the upper end of the sliding top block (440), and a pressure plate 2 (443) is installed at the top end of the sliding rod (442). A plurality of positioning holes (444) for cooperating with the positioning rod (600) to position the sliding top block (440) are opened in the middle of the sliding rod (442), and a spring (450) for cooperating with the sliding top block (440) to control the push plate 1 (410) and the push plate 2 (420) to reset is installed at the upper end of the fixed base (430).

Images