Quick press-fitting equipment for machine core bearing

Abstract

The utility model discloses quick press-fitting equipment for a machine core bearing, which relates to the technical field of bearing press-fitting and comprises a base, a clamping component and a press-fitting component, the clamping component used for clamping an outer ring and an inner ring of a bearing is arranged on the base, and the press-fitting component used for pressing the inner ring of the bearing into the outer ring of the bearing is positioned above the base. The clamping assembly comprises outer limiting rods and inner limiting rods, the multiple outer limiting rods used for clamping and limiting the outer ring of the bearing are arranged on the base, and the multiple inner limiting rods used for positioning and limiting the inner ring of the bearing are arranged above the base. The bearing outer rings of different sizes are limited and positioned through the outer limiting rods, then the corresponding bearing inner rings are limited and positioned through the inner limiting rods, the bearing inner rings are vertically pressed into the bearing outer rings along the inner limiting rods through the press-fitting assembly, and convenience and rapidness are achieved.

Description

Technical Field

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

[0002] Bearings are an important part of modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during axial rotation, and control axial and radial movement. In order to ensure its rotation accuracy, during the assembly process of the bearing, attention should be paid to applying equal pressure on the circumference of the bearing end face, and hammers and other tools should not be used to directly hit the bearing end face; after the bearing is assembled, skewness is not allowed; two bearings assembled coaxially must meet the coaxial accuracy requirements.

[0003] The tooling applicability of traditional manual press-fit bearings is poor, and they can only press-fit bearings of specific sizes. When the bearing size is different from the applicable size of the tooling, it is difficult to perform the press-fit operation. For this reason, we propose a rapid press-fitting device for movement bearings. Utility Model Content

[0004] The purpose of the utility model is to provide a rapid press-fitting device for a movement bearing to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rapid press-fitting device for a movement bearing, comprising a base, a clamping assembly and a press-fitting assembly, the clamping assembly for clamping the outer ring and inner ring of the bearing is arranged on the base, and the press-fitting assembly for pressing the inner ring of the bearing into the outer ring of the bearing is located above the base, the clamping assembly comprises an outer limit rod and an inner limit rod, a plurality of outer limit rods for clamping and limiting the outer ring of the bearing are arranged on the base, and a plurality of inner limit rods for positioning and limiting the inner ring of the bearing are arranged above the base. The utility model arranges an outer limit rod whose relative position can be adjusted on the base, uses the outer limit rod to limit and position the outer rings of bearings of different sizes, and then uses the inner limit rod to limit and position the corresponding inner rings of the bearing, and uses the press-fitting assembly to vertically press the inner ring of the bearing into the outer ring of the bearing along the inner limit rod through the press-fitting assembly, which is convenient and quick.

[0006] Preferably, the clamping assembly also includes an adjusting assembly for adjusting the position of the outer limit rod, the adjusting assembly is located on the base, the adjusting assembly includes an adjusting motor, the adjusting motor is fixed in the inner cavity inside the base, a sink groove is provided at the center of the base, a plurality of slide grooves distributed around the sink groove are provided on the base, a sliding block is provided for sliding in the sliding groove, the outer limit rod and the sliding block are fixed one by one, a first screw is provided for rotating in the sliding groove, the first screw is threadedly connected to the sliding block, a first bevel gear is provided for rotating in the sink groove, the output end of the adjusting motor is fixed to the gear shaft of the first bevel gear, one end of the first screw close to the sink groove passes through the side of the sink groove and is fixedly provided with a second bevel gear, the other end of the first screw is rotatably connected to the slide groove, and a plurality of second bevel gears are meshed with the first bevel gear at the same time, and the base is provided with uniformly distributed limiting holes for fixing the position of the inner limit rod, the inner limit rod is inserted and embedded in the limiting hole, and the positions of the outer limit rod and the inner limit rod are adjusted according to the size of the bearing, and the outer ring of the bearing and the inner ring of the bearing are limited and positioned respectively.

[0007] Preferably, the press-fitting assembly includes a motor box, a convex plate symmetrically fixed on the outer side of the base, two motor boxes are respectively fixed on the bottom of the convex plate, a second screw is fixed on the output end of the motor box, the second screw is located above the convex plate and is rotatably connected to the convex plate, a fixing frame is fixed on the base, the top of the second screw is rotatably connected to the fixing frame, a sliding plate is slidably provided in the fixing frame, a pressing block is fixed at the bottom of the sliding plate, the sliding plate is provided with an auxiliary hole for the inner limit rod to slide through, the auxiliary hole corresponds to the limit hole one by one, and automatic press-fitting is performed without manual press-fitting, which is convenient and quick.

[0008] Preferably, a reinforcing block is fixed at the bottom of the outer limiting rod, the bottom of the reinforcing block is slidably fitted with the base, and the side of the reinforcing block away from the sink is triangular, thereby improving the limiting strength of the outer limiting rod on the outer ring of the bearing.

[0009] Preferably, the height of the pressing block is greater than the height of the strengthening block, so as to facilitate completely pressing the inner ring of the bearing into the outer ring of the bearing.

[0010] Preferably, the limiting hole is located between two adjacent sliding grooves to avoid mutual influence between the outer limiting rod and the inner limiting rod.

[0011] Preferably, the outer limit rod and the inner limit rod are both made of stainless steel to improve the strength of the outer limit rod and the inner limit rod.

[0012] Compared with the traditional technology, the beneficial effects of the utility model are:

[0013] 1. An outer limit rod with adjustable relative position is arranged on the base, and the first bevel gear is driven to rotate by an adjusting motor. Then, the outer limit rod is driven to move outward or inward at the same time by the cooperation of the first bevel gear, the second bevel gear, the first screw rod, and the slider. The outer rings of bearings of different sizes are limited and positioned. Then, the inner limit rod is inserted into the limit hole through the auxiliary hole to limit and position the corresponding inner ring of the bearing. The inner ring of the bearing is pressed vertically into the outer ring of the bearing along the inner limit rod through the press-fit assembly, which is convenient and quick.

[0014] 2. A reinforcement block is set at the bottom of the outer limit rod, which can not only improve the limiting strength of the outer limit block on the outer ring of the bearing, but also make the bottom of the bearing fit with the base, avoiding the bottom of the bearing from warping up during press installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a partial cross-sectional schematic diagram of the base of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the briquetting part of the utility model;

[0018] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0019] In the figure: 1-base; 2-clamping assembly; 3-pressing assembly; 4-external limit rod; 5-internal limit rod; 6-adjusting assembly; 7-adjusting motor; 8-sink; 9-slide; 10-slider; 11-first screw; 12-first bevel gear; 13-second bevel gear; 14-limiting hole; 15-motor box; 16-convex plate; 17-second screw; 18-fixed frame; 19-sliding plate; 20-pressing block; 21-auxiliary hole; 22-strengthening block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example:

[0022] See also Figure 1-Figure 4The figure shows a rapid press-fitting device for a movement bearing, comprising a base 1, a clamping assembly 2 and a press-fitting assembly 3. The clamping assembly 2 for clamping the outer ring and the inner ring of the bearing is arranged on the base 1, and the press-fitting assembly 3 for pressing the inner ring of the bearing into the outer ring of the bearing is located above the base 1. The clamping assembly 2 comprises an outer limit rod 4 and an inner limit rod 5. Multiple outer limit rods 4 for clamping and limiting the outer ring of the bearing are arranged on the base 1, and multiple inner limit rods 5 for positioning and limiting the inner ring of the bearing are arranged above the base 1. The outer limit rods 4 and the inner limit rods 5 are both made of stainless steel to improve the strength of the outer limit rods 4 and the inner limit rods 5.

[0023] Some implementation methods of the present application are described in detail below with reference to the accompanying drawings:

[0024] See also Figure 1-Figure 4 By setting an outer limit rod 4 that can adjust the relative position on the base 1, the outer limit rod 4 is used to limit and position the outer rings of bearings of different sizes, and then the inner limit rod 5 is used to limit and position the corresponding inner rings of the bearings. The inner ring of the bearing is vertically pressed into the outer ring of the bearing along the inner limit rod 5 through the press-fitting component 3, which is convenient and quick.

[0025] Among them, the clamping assembly 2 also includes an adjustment assembly 6 for adjusting the position of the outer limit rod 4, the adjustment assembly 6 is located on the base 1, the adjustment assembly 6 includes an adjustment motor 7, the adjustment motor 7 is fixed in the inner cavity inside the base 1, a sink 8 is provided at the center of the base 1, a plurality of slide grooves 9 distributed around the sink 8 are provided on the base 1, a slider 10 is provided for sliding in the slide groove 9, the outer limit rod 4 and the slider 10 are fixed one by one, a first screw 11 is provided for rotation in the slide groove 9, the first screw 11 is threadedly connected to the slider 10, a first bevel gear 12 is provided for rotation in the sink 8, and the adjustment motor 7 The output end is fixed to the gear shaft of the first bevel gear 12, one end of the first screw 11 close to the groove 8 passes through the side of the groove 8 and is fixed with a second bevel gear 13, the other end of the first screw 11 is rotatably connected to the slide groove 9, and multiple second bevel gears 13 are simultaneously meshed and connected with the first bevel gear 12. The base 1 is provided with uniformly distributed limiting holes 14 for fixing the position of the inner limiting rod 5. The inner limiting rod 5 is inserted and engaged in the limiting hole 14. The positions of the outer limiting rod 4 and the inner limiting rod 5 are adjusted according to the size of the bearing to limit and position the outer ring and the inner ring of the bearing respectively.

[0026] At the same time, the press-fitting assembly 3 includes a motor box 15, a convex plate 16 is symmetrically fixed on the outside of the base 1, and the two motor boxes 15 are respectively fixed at the bottom of the convex plate 16, and a second screw 17 is fixed at the output end of the motor box 15. The second screw 17 is located above the convex plate 16 and is rotatably connected to the convex plate 16. A fixing frame 18 is fixed on the base 1, and the top of the second screw 17 is rotatably connected to the fixing frame 18. A sliding plate 19 is slidingly provided in the fixing frame 18, and a pressing block 20 is fixed at the bottom of the sliding plate 19. The sliding plate 19 is provided with an auxiliary hole 21 for the inner limit rod 5 to slide through. The auxiliary hole 21 corresponds to the limit hole 14 one by one, and is automatically pressed without manual pressing, which is convenient and quick.

[0027] It is worth noting that the limiting hole 14 is located between two adjacent sliding grooves 9 to avoid the outer limiting rod 4 and the inner limiting rod 5 from influencing each other.

[0028] By setting an outer limit rod 4 that can adjust the relative position on the base 1, the first bevel gear 12 is driven to rotate by the adjusting motor 7, and then the meshing of the first bevel gear 12 and the second bevel gear 13 is used to drive the four first screws 11 to rotate synchronously, and the slider 10 moves under the action of the thread of the first screw 11, thereby driving the outer limit rod 4 to move outward or inward at the same time, and limiting the positioning of the outer rings of bearings of different sizes, and then inserting the inner limit rod 5 into the limiting hole 14 at the corresponding position through the auxiliary hole 21 according to the size of the inner ring of the bearing. At this time, the inner ring of the bearing is sleeved on the positioning frame composed of multiple inner limit rods 5, so as to limit the positioning of the corresponding inner ring of the bearing, and then the second screw 17 is driven to rotate synchronously through the synchronous operation of the symmetrically distributed motor box 15, thereby driving the sliding plate 19 and the pressure block 20 to move downward, and pushing the inner ring of the bearing to be vertically pressed into the outer ring of the bearing along the inner limit rod 5, which is convenient and quick.

[0029] See also Figure 1 and Figure 3 In this embodiment, a reinforcing block 22 is fixed at the bottom of the outer limit rod 4, and the bottom of the reinforcing block 22 is slidably fitted with the base 1. The side of the reinforcing block 22 away from the sink 8 is triangular, and the height of the pressing block 20 is greater than the height of the reinforcing block 22, which is convenient for pressing the inner ring of the bearing into the outer ring of the bearing completely. The reinforcing block 22 is arranged at the bottom of the outer limit rod 4, which can not only improve the limiting strength of the outer limit block on the outer ring of the bearing, but also make the bottom of the bearing fit with the base 1, avoiding the bottom of the bearing from warping up during press-fitting.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. 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", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or may also include elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid press-fitting device for movement bearings, characterized in that: include: A base (1), a clamping assembly (2) and a press-fitting assembly (3), wherein the clamping assembly (2) for clamping the outer ring and the inner ring of a bearing is arranged on the base (1), and the press-fitting assembly (3) for pressing the inner ring of the bearing into the outer ring of the bearing is located above the base (1), and the clamping assembly (2) comprises an outer limit rod (4) and an inner limit rod (5), wherein a plurality of the outer limit rods (4) for clamping and limiting the outer ring of the bearing are arranged on the base (1), and a plurality of the inner limit rods (5) for positioning and limiting the inner ring of the bearing are arranged above the base (1).

2. The rapid press-fitting device for movement bearings according to claim 1 is characterized in that: The clamping assembly (2) further comprises an adjusting assembly (6) for adjusting the position of the outer limit rod (4), the adjusting assembly (6) being located on the base (1), the adjusting assembly (6) comprising an adjusting motor (7), the adjusting motor (7) being fixed in an inner cavity of the base (1), a sink groove (8) being provided at the center of the base (1), a plurality of slide grooves (9) being provided on the base (1) and being distributed around the sink groove (8), a slider (10) being slidably provided in the slide groove (9), the outer limit rod (4) and the slider (10) being fixed one by one, a first screw rod (11) being rotatably provided in the slide groove (9), the first screw rod (11) and the slider (10) being rotatably provided The first bevel gear (12) is rotatably provided in the sink groove (8), the output end of the regulating motor (7) is fixed to the gear shaft of the first bevel gear (12), one end of the first screw rod (11) close to the sink groove (8) passes through the side of the sink groove (8) and is fixed with a second bevel gear (13), the other end of the first screw rod (11) is rotatably connected to the slide groove (9), and a plurality of the second bevel gears (13) are simultaneously meshed with the first bevel gear (12), and the base (1) is provided with uniformly distributed limiting holes (14) for fixing the position of the inner limiting rod (5), and the inner limiting rod (5) is inserted and engaged in the limiting hole (14).

3. The rapid press-fitting device for movement bearings according to claim 2 is characterized in that: The press-fit assembly (3) comprises a motor box (15), a convex plate (16) is symmetrically fixed on the outer side of the base (1), two motor boxes (15) are respectively fixed to the bottom of the convex plate (16), a second screw rod (17) is fixed to the output end of the motor box (15), the second screw rod (17) is located above the convex plate (16) and is rotatably connected to the convex plate (16), a fixing frame (18) is fixed on the base (1), the top of the second screw rod (17) is rotatably connected to the fixing frame (18), a sliding plate (19) is slidably provided in the fixing frame (18), a pressing block (20) is fixed to the bottom of the sliding plate (19), and an auxiliary hole (21) is provided on the sliding plate (19) for the inner limit rod (5) to slide through, and the auxiliary hole (21) corresponds to the limit hole (14) one by one.

4. The rapid press-fitting device for movement bearings according to claim 3 is characterized in that: A reinforcing block (22) is fixed to the bottom of the outer limiting rod (4), the bottom of the reinforcing block (22) is slidably fitted with the base (1), and the side of the reinforcing block (22) away from the sink (8) is triangular.

5. The rapid press-fitting device for movement bearings according to claim 4 is characterized in that: The height of the pressing block (20) is greater than the height of the strengthening block (22).

6. The rapid press-fitting device for movement bearings according to claim 2, characterized in that: The limiting hole (14) is located between two adjacently distributed sliding grooves (9).

7. The rapid press-fitting device for movement bearings according to claim 1, characterized in that: The outer limiting rod (4) and the inner limiting rod (5) are both made of stainless steel.

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