A bushing press-fitting sealing device
By designing an automated bushing mount, workpiece positioning mechanism, pressing mechanism and sealing mechanism, combined with an automatic feeding system, the problems of cumbersome, slow speed and inconsistent sealing of bushing in the existing technology are solved, and the problem of cushioning and sealing incomplete sealing is realized. Efficient and accurate automated production.
Patent Information
- Application Number
- CN202110709295.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-06-25
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2041-06-25
AI Technical Summary
The existing motor bushing press-fit sealing process is mainly manual or semi-automatic, which leads to cumbersome processes, slow speed, inconsistent sealing effects, and difficult to meet the needs of large-scale production.
An automated device including a bushing mount, a workpiece positioning mechanism, a pressing mechanism and a sealing mechanism is designed. The bushing mount and a workpiece positioning mechanism are accurately positioned, and a fully automatic bushing is achieved in conjunction with the pressing cylinder and a sealing roller. Assembly and seal with workpieces. Auxiliary components such as bushing loading mechanism and workpiece loading mechanism are automatically loaded through robots to achieve full automatic production.
It improves work efficiency and accuracy, significantly improves installation quality, realizes automated production, and solves the problem of sealing inconsistency caused by human factors.
Smart Images

Figure CN113275860B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of mechanical assembly, and in particular to a bushing press-fitting sealing device. Background Art
[0002] With the vigorous development of my country's automobile industry, the supporting industries closely related to automobiles are also developing rapidly; now automobile performance and technology are constantly improving, and the motors required for the brake system are also constantly updated. Originally, brushed motors occupied the main market, but now brushless motors are beginning to emerge. Because of their high speed, sensitive response, low noise and other performance advantages, various manufacturers have begun to invest a lot of energy in the research and development of brushless motors; among them, the press-fitting and sealing of motor bushings is a very critical process. The existing process is mainly manual or semi-automatic, and press-fitting and sealing are two processes, which not only requires a lot of manpower, but also cumbersome operation and slow processing speed. Due to the existence of human factors, the sealing effect and packaging consistency are not good, which can only meet the needs of product early sample development and small batch production. Summary of the invention
[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a bushing press-fit sealing device.
[0004] The present application provides a bushing press-fit sealing device, including a processing component and an auxiliary component;
[0005] The processing assembly includes a bushing mounting seat rotatably mounted on the workbench and a workpiece positioning mechanism escalably mounted on the workbench; a sealing mechanism is provided on the workbench corresponding to the bushing mounting seat, and a pressing mechanism is provided corresponding to the workpiece positioning mechanism;
[0006] The auxiliary component includes a bushing feeding mechanism corresponding to the bushing mounting seat and a workpiece feeding mechanism corresponding to the workpiece positioning mechanism.
[0007] Furthermore, the bushing mounting seat includes a rotating shaft rotatably mounted on the workbench; a matching docking head is provided on the rotating shaft corresponding to the bushing.
[0008] Furthermore, the workpiece positioning mechanism includes a mounting plate vertically mounted on the workbench; a relatively slidable slider is provided on the mounting plate; a positioning pin is provided on the slider corresponding to the workpiece, and the sliding direction is perpendicular to the plane where the workbench is located.
[0009] Furthermore, a guide rod is provided on the mounting plate corresponding to the slider; the slider is sleeved on the guide rod; and a spring for self-reset of the slider is also sleeved on the guide rod.
[0010] Furthermore, a support frame is fixedly installed on the workbench; the support frame includes a support plate located at the top and parallel to the workbench; the support plate is located above the bushing mounting seat.
[0011] Furthermore, the press-fitting mechanism includes a press-fitting cylinder; a buffer rack is provided on the support plate corresponding to the press-fitting cylinder; the press-fitting cylinder is installed on the buffer rack; the buffer rack can be raised and lowered on the support plate; the extension and retraction direction of the press-fitting cylinder is the same as the lifting direction of the buffer rack.
[0012] Furthermore, the buffer frame includes a guide shaft penetrating the support plate and buffer plates installed at both ends of the guide shaft; a linear bearing is provided on the support plate corresponding to the guide shaft; and a press-fit cylinder is installed between the two buffer plates.
[0013] Furthermore, the sealing mechanism includes a sealing roller and a shaping roller; the shaping roller can be slidably installed on the workbench; the sealing roller is located above the shaping roller and can be telescopically installed on the support frame.
[0014] Furthermore, the bushing feeding mechanism includes a vibration plate and a single-axis module; the single-axis module can be rotatably installed at the discharge port of the vibration plate, and a clamping claw is provided corresponding to the bushing; the clamping claw is driven by a clamping claw cylinder.
[0015] Furthermore, the workpiece loading mechanism includes a frame; the frame is provided with a horizontal conveying chain and a slide plate which are parallel to each other; a lifting component for lifting the workpiece pallet is provided between the horizontal conveying chain and the slide plate.
[0016] The advantages and positive effects of this application are:
[0017] This technical solution can respectively position and install the bushing and the workpiece through the bushing mounting seat and the workpiece positioning mechanism, and can accurately press the workpiece into the bushing with the press-fitting mechanism, and then the bushing is pressed and sealed by the sealing mechanism to fully automatically complete the assembly combination of the workpiece and the bushing; compared with the existing technology, not only the work efficiency is faster, but also the precision is higher, which effectively improves the installation quality.
[0018] Furthermore, the workpiece and the bushing are continuously supplied through the workpiece feeding mechanism and the bushing feeding mechanism respectively, and automatic feeding can be effectively realized in conjunction with the manipulator, thereby realizing fully automated production. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A schematic diagram of the structure of a bushing press-fitting sealing device provided in an embodiment of the present application;
[0020] Figure 2 A schematic diagram of the structure of a mounting seat of a bushing press-fit sealing device provided in an embodiment of the present application;
[0021] Figure 3 A schematic structural diagram of a workpiece positioning mechanism of a bushing press-fitting sealing device provided in an embodiment of the present application;
[0022] Figure 4 A schematic structural diagram of a sealing mechanism of a bushing press-fit sealing device provided in an embodiment of the present application;
[0023] Figure 5 A schematic diagram of the structure of a shaping mechanism of a bushing press-fitting sealing device provided in an embodiment of the present application;
[0024] Figure 6 A schematic diagram of the structure of a press-fitting mechanism of a bushing press-fitting sealing device provided in an embodiment of the present application;
[0025] Figure 7 A schematic structural diagram of a bushing feeding mechanism of a bushing press-fitting sealing device provided in an embodiment of the present application;
[0026] Figure 8 A schematic structural diagram of a workpiece feeding mechanism of a bushing press-fitting sealing device provided in an embodiment of the present application.
[0027] The text labels in the figure are as follows: 100-workbench; 110-manipulator; 200-bushing mounting seat; 210-rotating shaft; 220-joint; 230-servo motor; 240-mounting frame; 300-workpiece positioning mechanism; 310-mounting plate; 320-slider; 321-locating pin; 330-guide rod; 331-spring; 400-sealing mechanism; 410-sealing roller; 420-shaping roller; 430-slide rail; 431-first A slider; 432-electric cylinder; 440-base; 441-slide cylinder; 500-pressing mechanism; 510-pressing cylinder; 511-clamping head; 520-guide shaft; 530-buffer plate; 540-linear bearing; 600-bushing feeding mechanism; 610-vibration plate; 620-single-axis module; 630-grip; 631-grip cylinder; 700-workpiece feeding mechanism; 710-horizontal conveyor chain; 720-slide plate; 800-support frame. DETAILED DESCRIPTION
[0028] In order to enable those skilled in the art to better understand the technical solution of the present application, the present application is described in detail below in conjunction with the accompanying drawings. The description in this section is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present application.
[0029] Please refer to Figure 1-8 This embodiment provides a bushing press-fitting and sealing device, including a processing component and an auxiliary component; the processing component is used to press-fit and seal the bushing and the workpiece; the auxiliary workpiece is used to automatically feed the processing component, thereby realizing automated production.
[0030] In a preferred embodiment, the processing assembly includes a workbench 100; a relatively rotatable bushing mounting seat 200 and a relatively liftable workpiece positioning mechanism 300 are provided on the workbench 100; the bushing and the workpiece are positioned by being mounted on the bushing mounting seat 200 and the workpiece positioning mechanism 300, respectively, and then the workpiece is pressed into the bushing by using a pressing mechanism 500, and finally the rotating bushing is sealed by a sealing mechanism 400.
[0031] Please refer to further Figure 2 In a preferred embodiment, the bushing mounting seat 200 includes a rotating shaft 210 rotatably mounted on the workbench 100; the rotating shaft 210 is perpendicular to the workbench 100 and passes through the workbench 100; the rotating shaft 210 is located above the workbench 100 and a matching docking joint 220 is provided at one end corresponding to the bushing for positioning the bushing.
[0032] Preferably, the rotating shaft 210 is driven by a servo motor 230 ; the servo motor 230 is located below the workbench 100 and is connected to the workbench 100 via a mounting bracket 240 .
[0033] Please refer to further Figure 3 In a preferred embodiment, the workpiece positioning mechanism 300 includes a mounting plate 310 vertically mounted on the workbench 100; a slider 320 that can slide relatively is provided on the mounting plate 310; a positioning pin 321 is provided on the slider 320 corresponding to the workpiece, and the sliding direction is perpendicular to the workbench 100.
[0034] Preferably, the slider 320 is mounted on the mounting plate 310 via a guide rod 330 ; two vertical support plates are provided on the mounting plate 310 corresponding to the guide rod 330 ; the guide rod 330 is installed between the two support plates; and the slider 320 is sleeved on the guide rod 330 .
[0035] Preferably, a spring 331 is sleeved on the guide rod 330 , and the spring 331 is located below the slider 320 and is used to control the slider 320 to self-reset.
[0036] In a preferred embodiment, a support frame 800 for installing the sealing mechanism 400 and the pressing mechanism 500 is also provided on the workbench 100; the support frame 800 is located directly above the bushing mounting seat 200, and includes a support plate located at the top and parallel to the workbench 100.
[0037] Please refer to further Figure 6 In a preferred embodiment, the press-fitting mechanism 500 includes a press-fitting cylinder 510; the press-fitting cylinder 510 is installed on the support plate through a buffer frame; the buffer frame can be raised and lowered on the support plate, and the lifting direction is the same as the telescopic direction of the press-fitting cylinder 510.
[0038] Preferably, the buffer frame includes a guide shaft 520 penetrating the support plate and buffer plates 530 installed at both ends of the guide shaft 520 ; a linear bearing 540 is provided on the support plate corresponding to the guide shaft 520 ; and the press-fitting cylinder 510 is installed between the two buffer plates 530 .
[0039] Preferably, a pressing head 511 is also installed on the press-fitting cylinder 510 ; the pressing head 511 is located below the support plate and is fixedly installed on the piston rod of the press-fitting cylinder 510 .
[0040] Please refer to further Figure 4 In a preferred embodiment, the sealing mechanism 400 includes a sealing roller 410 and a shaping roller 420; the sealing roller 410 is telescopically mounted on the support frame 800, and the angle between the telescopic direction and the workbench 100 is an acute angle; the shaping roller 420 is slidably mounted on the workbench 100, and when the sealing roller 410 presses and seals the bushing, the shaping roller 420 presses the outer wall of the bushing against the bushing mounting seat 200, thereby effectively preventing the outer wall of the bushing from being deformed due to the pressure of the sealing roller 410.
[0041] Preferably, telescopic components for installing the sealing roller 410 are respectively provided on both sides of the support frame 800; the telescopic components include matching slide rails 430 and a first slider 431; the slide rails 430 are fixedly installed on the support frame 800, and the sealing roller 410 is rotatably installed on the first slider 431.
[0042] Preferably, the first slider 431 is driven by an electric cylinder 432 ; the electric cylinder 432 is fixedly mounted on the slide rail 430 , and is connected to the first slider 431 via a telescopic rod.
[0043] Preferably, please refer to Figure 5 The shaping roller 420 is arranged corresponding to the sealing roller 410, is located below the sealing roller 410, and is installed on the workbench 100 through a sliding assembly; the sliding assembly includes a base 440 fixedly installed on the workbench 100; the base 440 is provided with a sliding cylinder 441 for installing the shaping roller 420.
[0044] In a preferred embodiment, the auxiliary assembly includes an independent bushing loading mechanism 600 and a workpiece loading mechanism 700 ; the bushing loading mechanism 600 and the workpiece loading mechanism 700 are respectively located on both sides of the workbench 100 .
[0045] Preferably, please refer to Figure 7The bushing feeding mechanism 600 includes a vibration plate 610 and a single-axis module 620; the press-fitting cylinder single-axis module 620 can be rotatably installed at the discharge port of the press-fitting cylinder vibration plate 610, and a clamping claw 630 is provided corresponding to the bushing; the press-fitting cylinder clamping claw 630 is driven by a clamping claw cylinder 631. The bushing is sent to the discharge port through the vibration plate 610, and waits for the single-axis module 620 to rotate over, and the clamping claw is controlled by the clamping claw cylinder 631 to clamp the bushing, and then the single-axis module 620 puts the bushing into the processing area.
[0046] Preferably, please refer to Figure 8 The workpiece loading mechanism 700 includes a frame; a horizontal conveyor chain 710 and a slide plate 720 are arranged on the frame in parallel with each other; a lifting assembly for lifting the workpiece tray is arranged between the horizontal conveyor chain 710 and the slide plate 720. The whole box of workpieces is transported to the bottom of the slide plate 720 by the horizontal conveyor chain 710, and the workpiece box is lifted by the lifting assembly. The slide plate 720 avoids and supports the raised workpiece box by sliding, and the workpiece can be loaded and installed in cooperation with the six-axis manipulator 110.
[0047] This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and its core ideas of this application. The above is only the preferred implementation method of this application. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can also make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the scope of protection of this application.
Claims
1. A bushing press-fitting sealing device, characterized in that: Including processing components and auxiliary components; The processing assembly comprises a bushing mounting seat (200) rotatably mounted on a workbench (100) and a workpiece positioning mechanism (300) liftably mounted on the workbench (100); a sealing mechanism (400) is provided on the workbench (100) corresponding to the bushing mounting seat (200), and a pressing mechanism (500) is provided corresponding to the workpiece positioning mechanism (300); The auxiliary component comprises a bushing loading mechanism (600) corresponding to the bushing mounting seat (200) and a workpiece loading mechanism (700) corresponding to the workpiece positioning mechanism (300); A support frame (800) is also fixedly mounted on the workbench (100); the support frame (800) comprises a support plate located at the top and parallel to the workbench (100); the support plate is located above the bushing mounting seat (200); The press-fitting mechanism (500) comprises a press-fitting cylinder (510); a buffer frame is provided on the support plate corresponding to the press-fitting cylinder (510); the press-fitting cylinder (510) is mounted on the buffer frame; the buffer frame is escalably mounted on the support plate; the extension direction of the press-fitting cylinder (510) is the same as the elevation direction of the buffer frame; The sealing mechanism (400) comprises a sealing roller (410) and a shaping roller (420); the shaping roller (420) is slidably mounted on the workbench (100); the sealing roller (410) is located above the shaping roller (420) and is telescopically mounted on the support frame (800), with the included angle between the telescopic direction and the workbench 100 being an acute angle; Telescopic components for mounting the sealing roller (410) are respectively provided on both sides of the support frame (800); the telescopic components include matching slide rails (430) and first sliders (431); the slide rails (430) are fixedly mounted on the support frame (800), and the sealing roller (410) is rotatably mounted on the first slider (431); The shaping roller (420) is arranged corresponding to the sealing roller (410), is located below the sealing roller (410), and is mounted on the workbench (100) via a sliding assembly; the sliding assembly comprises a base (440) fixedly mounted on the workbench (100); and a sliding cylinder (441) for mounting the shaping roller (420) is provided on the base (440).
2. The bushing press-fitting sealing device according to claim 1, characterized in that: The bushing mounting seat (200) comprises a rotating shaft (210) rotatably mounted on the workbench (100); a matching docking head (220) is provided on the rotating shaft (210) corresponding to the bushing.
3. The bushing press-fitting sealing device according to claim 1, characterized in that: The workpiece positioning mechanism (300) comprises a mounting plate (310) vertically mounted on the workbench (100); a relatively slidable slider (320) is provided on the mounting plate (310); and a positioning pin (321) is provided on the slider (320) corresponding to the workpiece, and the sliding direction is perpendicular to the plane where the workbench (100) is located.
4. The bushing press-fitting sealing device according to claim 3, characterized in that: A guide rod (330) is provided on the mounting plate (310) corresponding to the slider (320); the slider (320) is sleeved on the guide rod (330); and a spring (331) for self-reset of the slider (320) is also sleeved on the guide rod (330).
5. The bushing press-fitting sealing device according to claim 1, characterized in that: The buffer frame comprises a guide shaft (520) penetrating a support plate and buffer plates (530) mounted on both ends of the guide shaft (520); a linear bearing (540) is provided on the support plate corresponding to the guide shaft (520); and the press-fitting cylinder (510) is mounted between the two buffer plates (530).
6. The bushing press-fitting sealing device according to claim 1, characterized in that: The bushing feeding mechanism (600) comprises a vibration plate (610) and a single-axis module (620); the single-axis module (620) is rotatably mounted at the discharge port of the vibration plate (610), and a clamping claw (630) is provided corresponding to the bushing; the clamping claw (630) is driven by a clamping claw cylinder (631).
7. The bushing press-fitting sealing device according to claim 1, characterized in that: The workpiece loading mechanism (700) comprises a frame; the frame is provided with a horizontal conveying chain (710) and a slide plate (720) which are parallel to each other; and a lifting component for lifting a workpiece pallet is provided between the horizontal conveying chain (710) and the slide plate (720).