Engine bearing press fitting device

By designing an automated engine bearing press-fitting device, which utilizes hydraulic cylinders, a miniature air compressor, and a motor working in tandem, the device achieves automated feeding and press-fitting of bearings. This solves the problems of cumbersome operation and low efficiency in the press-fitting process of motorcycle engine bearings, improves assembly efficiency, and reduces the intensity of manual labor.

CN224102269UActive Publication Date: 2026-04-10XICO INTELLIGENT TECHNOLOGY (SHANGHAI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The current motorcycle engine bearing press-fitting process is cumbersome, inefficient, has a low degree of automation, involves high manual labor intensity, and poses safety hazards.

Method used

An automated device comprising a pressing assembly, a feeding assembly, a pushing assembly, and a storage assembly was designed. Through the coordinated work of a hydraulic cylinder, a micro air compressor, and a motor, the device achieves automated feeding and pressing of bearings, and uses an airbag to fix the bearings, reducing manual operation.

Benefits of technology

It improves the efficiency of bearing press-fitting, reduces manual labor burden, minimizes safety hazards, and adapts to the rapid operation of engine assembly lines.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of engines, and discloses an engine bearing press-fitting device which comprises a workbench, a fixing rod fixedly connected to the right side of the top of the workbench, a top plate fixedly connected to the top of the fixing rod, a press-fitting assembly installed on the top of the top plate, and a feeding assembly installed on the left side of the top of the workbench. A lifting plate is fixedly connected to the bottom of a hydraulic rod of a hydraulic cylinder, fixing columns are fixedly connected to the periphery of the bottom of the lifting plate, pressing blocks are fixedly connected to the bottoms of the fixing columns, a miniature air compressor is installed in the middle of the top of each pressing block, and an air pipe is installed at the top of each miniature air compressor; the bottoms of the air pipes are fixedly connected with fixed airbags. By arranging the pushing assembly, the storage assembly, the feeding assembly and the press fitting assembly, automatic feeding of bearings is achieved, the working efficiency of bearing press fitting is improved, manual operation is reduced, the labor burden of manual feeding is reduced, and potential safety hazards are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine, more specifically, the utility model relates to an engine bearing press fitting device. BACKGROUND

[0002] In the production and assembly of motorcycle engines, the press fitting of the two bearings on the right engine block is one of its processes. Currently, the press fitting of the two bearings is carried out by two simple press fitting devices, which is complicated, slow and inefficient, and cannot adapt to the rapid operation of the engine assembly line.

[0003] After searching, the utility model patent with the publication number CN 209648608 U discloses an engine bearing press fitting device, which comprises a bottom plate, a top plate and a support plate. The four corners of the top end of the bottom plate are welded with support columns, the end of the support column away from the bottom plate is connected with the top plate, the middle and lower part of the support column is sleeved with the support plate. The utility model has the advantages of simple structure, fast operation, high assembly efficiency and adaptability to the rapid operation of the engine assembly line.

[0004] In the above-mentioned patent, before the bearing press fitting, the bearing needs to be placed in the bearing cavity of the engine. However, there is no automatic feeding device for the bearing in the above-mentioned patent. Before each press fitting, the bearing needs to be manually placed at the position required for installation of the engine. The overall degree of automation is low, the efficiency of bearing press fitting is reduced, the manual operation steps are many, and the labor intensity of workers is large. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the prior art, the utility model provides an engine bearing press fitting device.

[0006] To achieve the above object, the utility model provides the following technical scheme: A engine bearing press -fitting device, including the workstation, the right side fixedly connected with fixed link of workstation top, the top fixedly connected with top plate of fixed link, the top plate's top installs press -fitting subassembly, the left side installation of workstation top has feeding subassembly, the back of workstation top installs push material subassembly, storage assembly, the press -fitting subassembly includes the hydraulic cylinder fixedly connected in the top plate top, the hydraulic cylinder's hydraulic stem bottom fixedly connected with lift plate, the periphery fixedly connected with fixed column of lift plate bottom, the bottom fixedly connected with pressing block of fixed column, the top -middle installation of pressing block top has micro -pneumatic machine, the bottom installation of micro -pneumatic machine has gas pipe, the bottom fixedly connected with fixed gas bag of gas pipe, the fixed plate fixedly connected with motor of feeding subassembly including the fixed plate fixedly connected in the workstation top, the left side fixedly connected with motor of fixed plate, the output shaft fixedly connected with threaded rod of motor, the outside screw thread sleeve of threaded rod has screw pipe, the right side fixedly connected with support plate of screw pipe, the top fixedly connected with receiving frame of support plate.

[0007] As a preferred technical scheme of the utility model, the push material subassembly includes the mounting plate fixedly connected in the workstation top, the back fixedly connected with air cylinder of mounting plate, the piston rod front fixedly connected with push plate of air cylinder.

[0008] As a preferred technical scheme of the utility model, the storage assembly includes the support seat fixedly connected in the workstation top, the top fixedly connected with horizontal plate of support seat, both sides fixedly connected with support frame of horizontal plate top, the inside fixedly connected with storage frame of support frame.

[0009] As a preferred technical scheme of the utility model, the back fixedly connected with limiting frame of storage frame bottom, the distance between the bottom of storage frame and the top of horizontal plate is adapted to the bearing, and the distance between the bottom of limiting frame and the top of horizontal plate is adapted to the push plate.

[0010] As a preferred technical scheme of the utility model, the right side installation of workstation top has installation frame, and the inside fixedly connected with positioning pin of installation frame.

[0011] As a preferred technical scheme of the utility model, the front installation of workstation top has sensor, and the front fixedly connected with infrared receiving end of support plate, and the sensor is electrically connected with motor and hydraulic cylinder.

[0012] As a preferred technical scheme of the utility model, the front of push plate is arc structure, and the height of the top surface of horizontal plate is higher than the height of the inner wall bottom of receiving frame.

[0013] Compared with the prior art, the utility model have the advantages that:

[0014] 1, the utility model discloses a push material subassembly, storage component and feeding assembly are established, push material subassembly and push the bearing of the bottom of storage frame to the positive movement to the inside of the receiving frame of bearing with the bearing moving to the positive of pressing block below, realize the automation feeding of bearing, improve the work efficiency of bearing press -fit, reduce the labor burden of artificial feeding, and reduce the security risk.

[0015] 2, the utility model discloses a press -fit subassembly, and the surface of bearing is pasted to the pressing block that is moved down to with the hydraulic cylinder, then the fixed air bag is inflated and expands through the micro air compressor, so that the fixed air bag is fixed in the support inside bearing and is fixed, realize the fixing of bearing, when bearing moves down to the groove of installing bearing in the engine, the fixed air bag is deflated to the micro air compressor, realizes the automation feeding of bearing. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic drawing of the utility model;

[0017] Figure 2 It is the structure schematic drawing of the press -fit subassembly of the utility model;

[0018] Figure 3 It is the structure schematic drawing of the feeding assembly of the utility model;

[0019] Figure 4 It is the structure schematic drawing of the push material subassembly of the utility model;

[0020] Figure 5 It is the structure schematic drawing of the storage component of the utility model.

[0021] In the drawing: 1, workbench;101, fixed link;102, top plate;103, sensor;104, installation frame;105, positioning pin;2, press -fit subassembly;201, hydraulic cylinder;202, lifting plate;203, fixed column;204, pressing block;205, micro air compressor;206, air pipe;207, fixed air bag;3, feeding assembly;301, fixed plate;302, motor;303, threaded rod;304, threaded tube;305, support plate;306, receiving frame;309, infrared receiving end;4, push material subassembly;401, mounting plate;402, air cylinder;403, push plate;5, storage component;501, support seat;502, horizontal plate;503, support frame;504, storage frame;505, limit frame. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] As shown in Figures 1 to 5 The utility model provides a kind of engine bearing press fitting device, including workbench 1, the right side of workbench 1 top is fixedly connected with fixed rod 101, the top of fixed rod 101 is fixedly connected with top plate 102, and the top of top plate 102 is installed with press fitting assembly 2, the left side of workbench 1 top is installed with feeding assembly 3, the back of workbench 1 top is installed with push material assembly 4, storage assembly 5, press fitting assembly 2 includes the hydraulic cylinder 201 of being fixedly connected in the top of top plate 102, the hydraulic rod bottom of hydraulic cylinder 201 is fixedly connected with lifting plate 202, the periphery of lifting plate 202 bottom is fixedly connected with fixed column 203, the bottom of fixed column 203 is fixedly connected with pressing block 204, the middle of pressing block 204 top is installed with micro air compressor 205, the bottom of micro air compressor 205 is installed with air pipe 206, the bottom of air pipe 206 is fixedly connected with fixed air bag 207, feeding assembly 3 includes the fixed plate 301 of being fixedly connected in the top of workbench 1, the left side of fixed plate 301 is fixedly connected with motor 302, the output shaft of motor 302 is fixedly connected with threaded rod 303, the outside of threaded rod 303 is screwed with threaded tube 304, the right side of threaded tube 304 is fixedly connected with support plate 305, the top of support plate 305 is fixedly connected with receiving frame 306.

[0024] In the embodiment of the application, the inside of the storage frame 504 is used to store bearings to be pressed. In the working process, first, the engine is placed on the inside of the mounting frame 104 and positioned by the positioning pin 105. The piston rod of the air cylinder 402 pushes the push plate 403 to move to the front, so that the push plate 403 pushes the bearings at the bottom of the storage frame 504 to move to the front, and the bearings are moved to the inside of the receiving frame 306. Then, the motor 302 is started to drive the threaded rod 303 to rotate. Under the threaded thrust of the threaded rod 303, the threaded tube 304 drives the support plate 305 to move horizontally to the right. When the infrared receiving end 309 is aligned with the sensor 103 in the horizontal direction, the bearings inside the receiving frame 306 are just located directly below the pressing block 204. The sensor 103 transmits a signal to the motor 302 and the hydraulic cylinder 201. The motor 302 is paused, and the hydraulic cylinder 201 pushes the pressing block 204 to move downward to be attached to the surface of the bearing. Then, the miniature air compressor 205 inflates the fixed air bag 207 to expand, so that the fixed air bag 207 is fixed by the support inside the bearing. Then, the hydraulic cylinder 201 drives the pressing block 204 and the bearing to move upward by a small distance. The motor 302 drives the support plate 305 to move horizontally to the left for resetting. Finally, the hydraulic cylinder 201 continues to push the pressing block 204 and the bearing to move downward to the groove inside the engine for installing the bearing. The miniature air compressor 205 deflates the fixed air bag 207 to realize automatic feeding of the bearing. The pressing assembly 2, the feeding assembly 3, and the pushing assembly 4 are all controlled by the PLC system, which improves the working efficiency of bearing pressing, reduces the labor burden of manual feeding, and reduces the safety hazard.

[0025] The pushing assembly 4 comprises a mounting plate 401 fixedly connected to the top of the workbench 1. The back surface of the mounting plate 401 is fixedly connected with an air cylinder 402. The piston rod of the air cylinder 402 is fixedly connected with a push plate 403 at the front surface.

[0026] The front surface of the push plate 403 is in an arc shape, which can position the bearing when moving.

[0027] The storage assembly 5 comprises a support seat 501 fixedly connected to the top of the workbench 1. The top of the support seat 501 is fixedly connected with a horizontal plate 502. The two sides of the top of the horizontal plate 502 are fixedly connected with support frames 503. The inside of the support frame 503 is fixedly connected with a storage frame 504. The back surface of the bottom of the storage frame 504 is fixedly connected with a limiting frame 505. The distance between the bottom of the storage frame 504 and the top of the horizontal plate 502 is adapted to the bearing. The distance between the bottom of the limiting frame 505 and the top of the horizontal plate 502 is adapted to the push plate 403.

[0028] Through the setting of the limiting frame 505, the bearing at the bottom of the storage frame 504 is prevented from being deviated on the surface of the horizontal plate 502, and the push plate 403 can push the material conveniently.

[0029] The right side of the top of the workbench 1 is provided with a mounting frame 104, and the inner side of the mounting frame 104 is fixedly connected with a positioning pin 105.

[0030] The inside of the mounting frame 104 is matched with the structure of the engine, and the positioning pin 105 is opposite to the positioning hole on the engine, so that the engine is conveniently fixed.

[0031] The front surface of the top of the workbench 1 is provided with a sensor 103, and the front surface of the supporting plate 305 is fixedly connected with an infrared receiving end 309; the sensor 103 is electrically connected with the motor 302 and the hydraulic cylinder 201.

[0032] When the infrared receiving end 309 is horizontally aligned with the sensor 103, the bearing in the inside of the receiving frame 306 is just located below the pressing block 204, the sensor 103 transmits a signal to the motor 302 and the hydraulic cylinder 201, the motor 302 is temporarily stopped, and the hydraulic cylinder 201 drives the pressing block 204 to move downwards to be attached to the surface of the bearing.

[0033] The height of the top surface of the horizontal plate 502 is higher than the height of the inner wall bottom of the receiving frame 306, when the push plate 403 drives the bearing to move to the front surface, the bearing is prevented from being bumped with the back surface of the receiving frame 306, so that the bearing can smoothly enter the inside of the receiving frame 306.

[0034] The working principle and use process of the utility model are as follows:

[0035] The inside of the storage frame 504 is used for storing bearings to be pressed, in the working process, first, the engine is placed on the inside of the mounting frame 104, and the engine is positioned by the positioning pin 105, the push plate 403 is pushed to move to the front by the piston rod of the air cylinder 402, so that the push plate 403 pushes the bearings at the bottom of the storage frame 504 to move to the front, and the bearings are moved to the inside of the receiving frame 306, then the motor 302 is started to drive the threaded rod 303 to rotate, under the threaded thrust of the threaded rod 303, the threaded tube 304 drives the supporting plate 305 to move horizontally to the right side, when the infrared receiving end 309 is aligned with the sensor 103 in the horizontal direction, the bearings inside the receiving frame 306 are just located below the pressing block 204, the sensor 103 transmits signals to the motor 302 and the hydraulic cylinder 201, the motor 302 is paused, the hydraulic cylinder 201 drives the pressing block 204 to move downward to be attached to the surface of the bearing, then the miniature air compressor 205 inflates the fixed air bag 207 to expand, so that the fixed air bag 207 is fixed by the support inside the bearing, then the hydraulic cylinder 201 drives the pressing block 204 and the bearing to move upward by a small distance, the motor 302 drives the supporting plate 305 to move horizontally to the left side for resetting, finally, the hydraulic cylinder 201 continues to drive the pressing block 204 and the bearing to move downward to the groove inside the engine for installing the bearing, the miniature air compressor 205 deflates the fixed air bag 207, realizing automatic feeding of the bearing, the pressing assembly 2, the feeding assembly 3 and the pushing assembly 4 are controlled by the PLC system, the working efficiency of the bearing pressing is improved, the labor burden of manual feeding is reduced, and the safety hidden danger is reduced.

[0036] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An engine bearing press fitting device comprising a worktable (1), characterized in that: The right side of the top of the workbench (1) is fixedly connected with a fixed rod (101), the top of the fixed rod (101) is fixedly connected with a top plate (102), the top of the top plate (102) is installed with a pressing assembly (2), the top of the workbench (1) is installed with a feeding assembly (3), the back of the top of the workbench (1) is installed with a pushing assembly (4) and a storage assembly (5), the pressing assembly (2) comprises a hydraulic cylinder (201) fixedly connected to the top of the top plate (102), the hydraulic rod of the hydraulic cylinder (201) is fixedly connected with a lifting plate (202) at the bottom, the periphery of the bottom of the lifting plate (202) is fixedly connected with a fixed column (203), the bottom of the fixed column (203) is fixedly connected with a pressing block (204), the middle of the top of the pressing block (204) is installed with a micro air compressor (205), the bottom of the micro air compressor (205) is installed with an air pipe (206), the bottom of the air pipe (206) is fixedly connected with a fixed air bag (207), the feeding assembly (3) comprises a fixed plate (301) fixedly connected to the top of the workbench (1), the left side of the fixed plate (301) is fixedly connected with a motor (302), the output shaft of the motor (302) is fixedly connected with a threaded rod (303), the outer side of the threaded rod (303) is threadedly sleeved with a threaded pipe (304), the right side of the threaded pipe (304) is fixedly connected with a supporting plate (305), the top of the supporting plate (305) is fixedly connected with a receiving frame (306).

2. The engine bearing press fitting device according to claim 1, characterized in that: The pushing assembly (4) comprises a mounting plate (401) fixedly connected to the top of the workbench (1), the back of the mounting plate (401) is fixedly connected with an air cylinder (402), the front of the piston rod of the air cylinder (402) is fixedly connected with a push plate (403).

3. The engine bearing press fitting device according to claim 1, characterized in that: The storage assembly (5) comprises a supporting seat (501) fixedly connected to the top of the workbench (1), the top of the supporting seat (501) is fixedly connected with a horizontal plate (502), both sides of the top of the horizontal plate (502) are fixedly connected with a bracket frame (503), the inner side of the bracket frame (503) is fixedly connected with a storage frame (504).

4. The engine bearing press fitting device according to claim 3, characterized in that: The back of the bottom of the storage frame (504) is fixedly connected with a limiting frame (505), the distance between the bottom of the storage frame (504) and the top of the horizontal plate (502) is matched with the bearing, and the distance between the bottom of the limiting frame (505) and the top of the horizontal plate (502) is matched with the push plate (403).

5. The engine bearing press fitting device of claim 1, wherein: The right side of the top of the workbench (1) is installed with a mounting frame (104), the inner side of the mounting frame (104) is fixedly connected with a positioning pin (105).

6. The engine bearing press fitting device of claim 1, wherein: The front of the top of the workbench (1) is installed with a sensor (103), the front of the supporting plate (305) is fixedly connected with an infrared receiving end (309), the sensor (103) is electrically connected with the motor (302) and the hydraulic cylinder (201).

7. The engine bearing press fitting device of claim 4, wherein: The front surface of the push plate (403) is arc-shaped, and the height of the top surface of the horizontal plate (502) is higher than the height of the bottom of the inner wall of the receiving frame (306).

Citation Information

Patent Citations

  • Engine bearing press fitting equipment

    CN209648608U