Shaft sleeve press fitting device

Abstract

The utility model relates to the technical field of bearing machining, in particular to a shaft sleeve press fitting device which comprises a base and a base table and further comprises a controller, a feeding mechanism, a pressing mechanism and a positioning mechanism, the feeding mechanism comprises a first sliding plate, a telescopic assembly and four electric clamping jaws, and the positioning mechanism comprises an abutting assembly and four fixing clamping blocks. The four fixed clamping blocks are arranged at the top of the base table at equal intervals, the abutting assembly is arranged at the top of the base table, the downward pressing mechanism is arranged at the top of the base table and comprises a lifting plate, a pressing assembly and four pressing blocks, two sliding rails are fixedly arranged at the top of the base table, and the lifting plate is arranged between the two sliding rails in a sliding mode; the four pressing blocks are fixedly arranged at the bottom of the lifting plate through the connecting rods, the pressing assembly is arranged at the top of the base table, and the telescopic assembly, the abutting assembly and the pressing assembly are electrically connected with the controller. According to the shaft sleeve press-fitting device, accurate press-fitting of a shaft sleeve can be achieved, deviation is avoided, and the press-fitting effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing processing, in particular to a shaft sleeve press-fitting device. Background Art

[0002] The shaft sleeve, that is, the inner sleeve of the bearing, needs to be fitted with the surface of several balls on the outer sleeve during installation, and then the inner sleeve needs to be pressed into the interior of several balls using external force to achieve the installation of the bearing.

[0003] The prior art has the following deficiencies:

[0004] 1. Generally, the inner sleeve is placed on the top of several balls manually, and the placement accuracy is poor. The inner sleeve cannot be accurately placed in the axial direction of the outer sleeve, which results in the sleeve being unable to be accurately pressed into the inner part of the outer sleeve.

[0005] 2. Only one sleeve can be pressed at a time, and multiple sleeves cannot be installed simultaneously, which results in low efficiency. Utility Model Content

[0006] The utility model aims to provide a shaft sleeve press-fitting device.

[0007] To achieve this purpose, the utility model adopts the following technical solutions:

[0008] A shaft sleeve press-fitting device is provided, comprising a base and a base, wherein the base is fixedly arranged on the top of the base.

[0009] It also includes a controller, a feeding mechanism, a pressing mechanism and a positioning mechanism.

[0010] The feeding mechanism is arranged on the top of the base, and includes a first slide plate, a telescopic assembly and four electric clamps. A vertical plate is fixedly arranged on the top of the base, and two guide rails are fixedly arranged on the outer wall of the vertical plate. The first slide plate is slidably arranged on the two guide rails through two sliders, and four electric clamps are arranged on the outer wall of the first slide plate at equal intervals, and the telescopic assembly is arranged on the outer wall of the vertical plate.

[0011] The positioning mechanism is arranged on the top of the base, and the positioning mechanism includes a tightening assembly and four fixed clamping blocks, and the four fixed clamping blocks are arranged at equal intervals on the top of the base, and the tightening assembly is arranged on the top of the base.

[0012] The pressing mechanism is arranged at the top of the base, and the pressing mechanism includes a lifting plate, a pressing assembly and four pressing blocks. Two slide rails are fixed on the top of the base, and the lifting plate is slidably arranged between the two slide rails. The four pressing blocks are fixed to the bottom of the lifting plate through connecting rods. The pressing assembly is arranged at the top of the base, and the telescopic assembly, the tightening assembly and the pressing assembly are all electrically connected to the controller.

[0013] Preferably, the pressing assembly includes a rotating shaft, two pressure rods and two hydraulic rods. The rotating shaft is rotatably arranged on the top of the base through two limit plates. The two pressure rods are fixed on the outer wall of the rotating shaft. Each hydraulic rod is hinged between a pressure rod and a limit plate. Two limit grooves are symmetrically arranged on the top of the lifting plate. Each pressure rod is plugged into a limit groove, and each hydraulic rod is electrically connected to the controller.

[0014] Preferably, a limit block is fixedly provided on each slide rail, and a return spring is fixedly provided between each limit block and one end of the bottom of the lifting plate.

[0015] Preferably, the telescopic assembly includes a single-axis cylinder and a pull block, the single-axis cylinder is fixed on the outer wall of the vertical plate, the pull block is fixed between its output end and the first slide plate, the outer wall of the vertical plate is provided with an avoidance groove for the pull block to slide, and the single-axis cylinder is electrically connected to the controller.

[0016] Preferably, the clamping assembly includes a double-axis cylinder, a second slide and four movable clamping blocks. The double-axis cylinder is fixed on the top of the base, the second slide is slidably arranged on the top of the base through two slide bars, the output end of the double-axis cylinder is fixedly connected to the second slide, the four movable clamping blocks are fixed on the outer wall of the second slide, and the double-axis cylinder is electrically connected to the controller.

[0017] Preferably, each fixed clamping block and each movable clamping block are arc-shaped structures.

[0018] Beneficial effects of the utility model:

[0019] 1. The utility model designs a controller, a feeding mechanism, a pressing mechanism and a positioning mechanism, and through the cooperation of the four, the synchronous pressing of four sleeves can be achieved at a time, thereby realizing batch processing, improving the pressing efficiency, and at the same time being conducive to expanding production and increasing corporate profits.

[0020] 2. The utility model designs a positioning mechanism, namely a clamping assembly and four fixed clamping blocks, and a feeding mechanism, namely a first slide plate, a telescopic assembly and four electric clamping jaws. After each electric clamping jaw clamps a sleeve, the axial direction of the sleeve and the outer sleeve clamped by a fixed clamping block and a movable clamping block can be consistent, thereby achieving precise press-fitting of the sleeve without causing deviation, thereby improving the press-fitting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings in the embodiment of the present invention are briefly introduced below.

[0022] Figure 1 The clamping diagram of the four outer jackets of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 2The clamping diagram of the four outer jackets of the utility model is shown in FIG. Figure 2 ;

[0024] Figure 3 for Figure 2 A in the enlarged view;

[0025] Figure 4 This is a three-dimensional exploded schematic diagram of the utility model without four outer covers;

[0026] In the figure: base 1, first slide plate 2, telescopic component 3, electric clamp 4, slider 5, clamping component 6, fixed clamp block 7, lifting plate 8, pressing component 9, pressing block 10, slide rail 11, rotating shaft 12, pressure rod 13, hydraulic rod 14, limit groove 15, limit block 16, return spring 17, single-axis cylinder 18, pulling block 19, double-axis cylinder 20, second slide plate 21, movable clamp block 22, slide bar 23. DETAILED DESCRIPTION

[0027] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0028] Among them, the drawings are only used for illustrative purposes and represent only schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product.

[0029] Reference Figures 1 to 4 As shown, a sleeve press-fitting device comprises a base and a base 1, wherein the base 1 is fixedly arranged on the top of the base.

[0030] It also includes a controller, a feeding mechanism, a pressing mechanism and a positioning mechanism.

[0031] The feeding mechanism is arranged on the top of the base, and the feeding mechanism includes a first slide plate 2, a telescopic component 3 and four electric clamps 4. A vertical plate is fixedly arranged on the top of the base, and two guide rails are fixedly arranged on the outer wall of the vertical plate. The first slide plate 2 is slidably arranged on the two guide rails through two sliders 5. The four electric clamps 4 are arranged on the outer wall of the first slide plate 2 at equal intervals, and the telescopic component 3 is arranged on the outer wall of the vertical plate.

[0032] The positioning mechanism is arranged on the top of the base 1, and the positioning mechanism includes a clamping assembly 6 and four fixed clamping blocks 7. The four fixed clamping blocks 7 are arranged at equal intervals on the top of the base 1, and the clamping assembly 6 is arranged on the top of the base 1.

[0033] The pressing mechanism is arranged at the top of the base 1, and the pressing mechanism includes a lifting plate 8, a pressing assembly 9 and four pressing blocks 10. Two slide rails 11 are fixedly arranged on the top of the base 1, and the lifting plate 8 is slidably arranged between the two slide rails 11. The four pressing blocks 10 are fixed to the bottom of the lifting plate 8 through connecting rods. The pressing assembly 9 is arranged at the top of the base 1, and the telescopic assembly 3, the tightening assembly 6 and the pressing assembly 9 are all electrically connected to the controller.

[0034] Reference Figures 1 to 4 As shown, the pressing assembly 9 includes a rotating shaft 12, two pressing rods 13 and two hydraulic rods 14. The rotating shaft 12 is rotatably arranged on the top of the base 1 through two limit plates. The two pressing rods 13 are fixed on the outer wall of the rotating shaft 12. Each hydraulic rod 14 is hinged between a pressing rod 13 and a limit plate. Two limit grooves 15 are symmetrically arranged on the top of the lifting plate 8. Each pressing rod 13 is plugged into a limit groove 15. Each hydraulic rod 14 is electrically connected to the controller. When the four jackets 26 are released, the two hydraulic rods 14 are started by the controller, so that the output ends of the two hydraulic rods 14 are contracted. Since each pressing rod 13 and each limit The plates are respectively fixed with a hydraulic rod 14 and hinged at both ends. The two pressure rods 13 are fixedly connected to the rotating shaft 12. The top of the lifting plate 8 is symmetrically designed with two limit grooves 15. Each pressure rod 13 is plugged into a limit groove 15, so that the two pressure rods 13 rotate counterclockwise with the rotating shaft 12 as the center. Since the lifting plate 8 is slidably connected with the two slide rails 11, the lifting plate 8 drives the four pressing blocks 10 fixedly connected at the bottom thereof to vertically descend, pressing the bottoms of the four sleeves until the sleeves are pressed between a number of balls 24 to achieve press-fitting. The two limit grooves 15 limit the two pressure rods 13 to prevent shaking during the pressing process, thereby improving the pressing effect.

[0035] Reference Figures 1 to 4 As shown, each slide rail 11 is fixedly provided with a limit block 16, and each limit block 16 and one end of the bottom of the lifting plate 8 are fixedly provided with a return spring 17. When the two hydraulic rods 14 rotate counterclockwise to press the lifting plate 8, the two return springs 17 change from an initial state to a contracted state, and a buffering effect is activated to ensure that the pressing is carried out at a uniform speed and improve the pressing effect. When the two pressure rods 13 are reset at the end of each pressing, the two return springs 17 drive the lifting plate 8 to rise and achieve reset, which is convenient for the next pressing operation.

[0036] Reference Figures 1 to 4As shown, the telescopic assembly 3 includes a single-axis cylinder 18 and a pull block 19. The single-axis cylinder 18 is fixed on the outer wall of the vertical plate, and the pull block 19 is fixed between its output end and the first slide plate 2. The outer wall of the vertical plate is provided with an avoidance groove for the pull block 19 to slide. The single-axis cylinder 18 is electrically connected to the controller. When the four outer sleeves 26 are fixed, the four shaft sleeves, that is, the bearing inner sleeves 27 are respectively placed in the four electric clamps 4, and then clamped by the electric clamps 4, and then the single-axis cylinder 18 is started by the controller to shrink its output end. Since its output end is fixedly connected to the first slide plate 2 through the pull block 19, the first slide plate 2 slides with the two guide rails on the vertical plate through the two sliders 5. The four electric clamps 4 are all fixedly connected to the first slide plate 2, so that the four electric clamps 4 drive the four shaft sleeves to descend until the bottom of the four shaft sleeves fit with the surface of the plurality of balls 24 on the outer sleeve 26, and then the four electric clamps 4 are released by the controller to release the four inner sleeves 27.

[0037] Reference Figures 1 to 4 As shown, the clamping assembly 6 includes a double-axis cylinder 20, a second slide plate 21 and four movable clamps 22. The double-axis cylinder 20 is fixedly arranged on the top of the base 1. The second slide plate 21 is slidably arranged on the top of the base 1 through two slide bars 23. The output end of the double-axis cylinder 20 is fixedly connected to the second slide plate 21. The four movable clamps 22 are fixedly arranged on the outer wall of the second slide plate 21. The double-axis cylinder 20 is electrically connected to the controller. When the bearing is pressed, the four outer sleeves 26 equipped with balls 24 and retainers 25 are first placed horizontally. The double-axis cylinder 20 is then started by the controller, so that its output end extends toward one end close to the fixed clamping block 7. Since its output end is fixedly connected to the four movable clamping blocks 22 through the second slide plate 21, and the second slide plate 21 is slidably connected to the base 1 through two slide bars 23, the second slide plate 21 drives the four movable clamping blocks 22 to slide toward one end close to the four fixed clamping blocks 7 until the four movable clamping blocks 22 are pressed against the other ends of the four outer sleeves 26, thereby fixing the four outer sleeves 26.

[0038] Reference Figures 1 to 4 As shown, each fixed clamp block 7 and each movable clamp block 22 are arc-shaped structures. Each fixed clamp block 7 and each movable clamp block 22 are designed to be an arc-shaped structure, which is convenient for clamping the outer sleeve 26 of the bearing, thereby achieving clamping and positioning of the outer sleeve 26.

Claims

1. A sleeve press-fitting device, comprising a base and a base (1), wherein the base (1) is fixedly arranged on the top of the base, characterized in that: It also includes a controller, a feeding mechanism, a pressing mechanism and a positioning mechanism. The feeding mechanism is arranged on the top of the base, and comprises a first slide plate (2), a telescopic assembly (3) and four electric clamping claws (4). A vertical plate is fixedly arranged on the top of the base, and two guide rails are fixedly arranged on the outer wall of the vertical plate. The first slide plate (2) is slidably arranged on the two guide rails through two sliders (5). The four electric clamping claws (4) are arranged on the outer wall of the first slide plate (2) at equal intervals. The telescopic assembly (3) is arranged on the outer wall of the vertical plate. The positioning mechanism is arranged on the top of the base (1), and the positioning mechanism comprises a clamping assembly (6) and four fixed clamping blocks (7), the four fixed clamping blocks (7) are arranged at equal intervals on the top of the base (1), and the clamping assembly (6) is arranged on the top of the base (1). The pressing mechanism is arranged on the top of the base (1), and comprises a lifting plate (8), a pressing assembly (9) and four pressing blocks (10). Two slide rails (11) are fixedly arranged on the top of the base (1), the lifting plate (8) is slidably arranged between the two slide rails (11), the four pressing blocks (10) are fixedly arranged on the bottom of the lifting plate (8) through connecting rods, the pressing assembly (9) is arranged on the top of the base (1), and the telescopic assembly (3), the pressing assembly (6) and the pressing assembly (9) are all electrically connected to the controller.

2. A shaft sleeve press-fitting device according to claim 1, characterized in that: The pressing assembly (9) comprises a rotating shaft (12), two pressing rods (13) and two hydraulic rods (14); the rotating shaft (12) is rotatably arranged on the top of the base (1) through two limiting plates; the two pressing rods (13) are fixedly arranged on the outer wall of the rotating shaft (12); each hydraulic rod (14) is hingedly arranged between a pressing rod (13) and a limiting plate; two limiting grooves (15) are symmetrically arranged on the top of the lifting plate (8); each pressing rod (13) is plugged into a limiting groove (15); and each hydraulic rod (14) is electrically connected to the controller.

3. A shaft sleeve press-fitting device according to claim 2, characterized in that: A limit block (16) is fixedly provided on each slide rail (11), and a return spring (17) is fixedly provided between each limit block (16) and one end of the bottom of the lifting plate (8).

4. A shaft sleeve press-fitting device according to claim 3, characterized in that: The telescopic assembly (3) comprises a single-axis cylinder (18) and a pull block (19); the single-axis cylinder (18) is fixedly arranged on the outer wall of the vertical plate; the pull block (19) is fixedly arranged between its output end and the first slide plate (2); an avoidance groove for the pull block (19) to slide is provided on the outer wall of the vertical plate; and the single-axis cylinder (18) is electrically connected to a controller.

5. A shaft sleeve press-fitting device according to claim 4, characterized in that: The tightening assembly (6) comprises a double-axis cylinder (20), a second slide plate (21) and four movable clamping blocks (22); the double-axis cylinder (20) is fixedly arranged on the top of the base (1); the second slide plate (21) is slidably arranged on the top of the base (1) via two slide bars (23); the output end of the double-axis cylinder (20) is fixedly connected to the second slide plate (21); the four movable clamping blocks (22) are fixedly arranged on the outer wall of the second slide plate (21); and the double-axis cylinder (20) is electrically connected to the controller.

6. A shaft sleeve press-fitting device according to claim 5, characterized in that: Each fixed clamping block (7) and each movable clamping block (22) are arc-shaped structures.

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