Hub bearing bolt pressing machine

Abstract

The utility model discloses a hub bearing bolt press-fitting machine which comprises a frame body, an installation table is installed at the upper end of the frame body, an I-shaped block is fixedly connected to the upper end of the installation table, a servo motor is installed at the lower end of the installation table, a sliding bottom plate is installed at the upper end of the installation table, and a pressing plate is installed at the lower end of the sliding bottom plate. The tail end of an output shaft of the servo motor penetrates through the sliding bottom plate and is fixedly connected with an indexing tool, a hydraulic cylinder is installed at the upper end of the I-shaped block, a fixing plate is arranged at the telescopic end of the hydraulic cylinder, a pressure sensor is fixedly connected to the lower end of the fixing plate, and a press fitting head is fixedly connected to the lower end of the pressure sensor. According to the press-fitting machine, through the arrangement of the servo motor and the hydraulic cylinder, bearing bolts can be subjected to press-fitting one by one, in the press-fitting process, the bolts and bearings can be in interference fit, the expected fastening effect is achieved, and the stability of products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hub bearing processing, in particular to a hub bearing bolt pressing machine. Background Technique

[0002] In modern industrial production, the installation quality of hub bearing bolts is crucial for the stability of products. Traditional installation methods of hub bearing bolts often have many problems. For example, it is difficult to precisely control the pressure during the installation process, resulting in an unsatisfactory fit between the bolt and the bearing, and unable to achieve the expected tightening effect, thus affecting the stability of the product.

[0003] At the same time, in traditional installation methods, there is a lack of effective monitoring of the pressing stroke, making it difficult to ensure the accurate installation position of the bolt. This will not only reduce production efficiency but also increase the defective rate of products due to improper installation, causing economic losses to enterprises.

[0004] With the continuous development of industrial technology, the market has higher and higher requirements for the accuracy and stability of hub bearing bolt installation. Therefore, there is an urgent need for a hub bearing bolt pressing device that can precisely control the pressure and monitor the pressing stroke to meet production requirements and improve product quality and stability. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, and a hub bearing bolt pressing machine is proposed. Through the setting of a servo motor and a hydraulic cylinder, the pressing machine can press the bearing bolts one by one, and during the pressing process, the bolt and the bearing can be in interference fit to achieve the expected tightening effect and improve the stability of the product.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A hub bearing bolt pressing machine includes a frame body. An installation table is installed at the upper end of the frame body. An I-shaped block is fixedly connected to the upper end of the installation table. A servo motor is installed at the lower end of the installation table. A sliding bottom plate is installed at the upper end of the installation table. The end of the output shaft of the servo motor penetrates through the sliding bottom plate and is fixedly connected to a indexing tooling. A hydraulic cylinder is installed at the upper end of the I-shaped block. A fixing plate is provided at the telescopic end of the hydraulic cylinder. A pressure sensor is fixedly connected to the lower end of the fixing plate. A pressing head is fixedly connected to the lower end of the pressure sensor.

[0008] Preferably, a threaded layer is provided on the outer wall of the telescopic end of the hydraulic cylinder, and a threaded hole is provided at the upper end of the fixing plate. The threaded layer is threadedly connected to the inner wall of the threaded hole.

[0009] Preferably, two guide rods are fixedly connected to the inner top and inner bottom of the I-shaped block together. The two guide rods penetrate through the fixed plate, and the fixed plate is slidably connected to the two guide rods.

[0010] Preferably, a displacement electronic ruler is installed at the upper end of the I-shaped block, and a position sensor is fixedly connected to the upper end of the sliding bottom plate. The position sensor is located at the rear side of the indexing tooling.

[0011] Preferably, a photoelectric switch is installed at the upper end of the installation table, and two safety light curtains are fixedly connected to the front side of the frame body.

[0012] Preferably, sliding doors are provided on both the front and rear sides of the frame body, and a display and a plurality of control switches are provided on the front side of the frame body.

[0013] Compared with the existing technology, the advantages of this device are as follows:

[0014] Compared with the existing technology, through the settings of the servo motor and the hydraulic cylinder, during the press-fitting process, the rotation of the indexing tooling can press-fit the bearing bolts one by one. And by adjusting the pressure of the hydraulic cylinder and monitoring the press-fitting stroke with the displacement electronic ruler, the bolts and the bearings are in interference fit during the press-fitting process, achieving the expected fastening effect and improving the stability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a hub bearing bolt press-fitting machine proposed by the present utility model;

[0016] Figure 2 is Figure 1 the front structural schematic diagram of

[0017] Figure 3 is a schematic structural diagram of the press-fitting assembly inside the press-fitting machine;

[0018] Figure 4 is Figure 3 the structural schematic diagram from another perspective.

[0019] In the figure: 1 frame body, 2 I-shaped block, 3 sliding bottom plate, 4 safety light curtain, 5 sliding door, 6 display, 7 indexing tooling, 8 photoelectric switch, 9 press-fitting head, 10 pressure sensor, 11 fixed plate, 12 guide rod, 13 hydraulic cylinder, 14 servo motor, 15 displacement electronic ruler, 16 installation table, 17 threaded hole, 18 threaded layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0021] Reference Figures 1-4 , a hub bearing bolt press-fitting machine, comprising a frame body 1. An installation table 16 is installed at the upper end of the frame body 1. A I-shaped block 2 is fixedly connected to the upper end of the installation table 16. A servo motor 14 is installed at the lower end of the installation table 16. A sliding bottom plate 3 is installed at the upper end of the installation table 16. The end of the output shaft of the servo motor 14 penetrates through the sliding bottom plate 3 and is fixedly connected to an indexing tooling 7. A hydraulic cylinder 13 is installed at the upper end of the I-shaped block 2. A fixing plate 11 is provided at the telescopic end of the hydraulic cylinder 13. A pressure sensor 10 is fixedly connected to the lower end of the fixing plate 11. A press-fitting head 9 is fixedly connected to the lower end of the pressure sensor 10.

[0022] Wherein, a thread layer 18 is provided on the outer wall of the telescopic end of the hydraulic cylinder 13, and a threaded hole 17 is provided at the upper end of the fixing plate 11. The thread layer 18 is in threaded connection with the inner wall of the threaded hole 17.

[0023] Wherein, two guide rods 12 are fixedly connected together at the inner top and inner bottom of the I-shaped block 2. The two guide rods 12 penetrate through the fixing plate 11, and the fixing plate 11 is slidably connected to the two guide rods 12.

[0024] Wherein, a displacement electronic ruler 15 is installed at the upper end of the I-shaped block 2. A position sensor is fixedly connected to the upper end of the sliding bottom plate 3. The position sensor is located at the rear side of the indexing tooling 7. An optoelectronic switch 8 is installed at the upper end of the installation table 16. Two safety light curtains 4 are fixedly connected to the front side of the frame body 1. Pulling doors 5 are provided on both the front and rear sides of the frame body 1. A display 6 and a plurality of control switches are provided on the front side of the frame body 1. A controller is arranged inside the frame body 1. After the product is placed and the staff's hand is taken out of the frame body 1, at this time, the two safety light curtains 4 will generate an electrical signal and transmit it to the controller. At the same time, after the optoelectronic switch 8 detects the product, it generates an electrical signal and transmits it to the controller. The controller controls the hydraulic cylinder 13 to stretch. At the same time, during the press-fitting process, the monitoring of the displacement electronic ruler 15 and the pressure sensor 10 will form a displacement-pressure curve and be displayed on the display 6.

[0025] The functional principle of the present utility model can be described through the following operation methods:

[0026] The first step: When press-fitting the bearing bolt, place the product on the indexing tooling 7. After the optoelectronic switch 8 monitors the product, control the hydraulic cylinder 13 to stretch through the controller, so that the press-fitting head 9 moves downward;

[0027] The second step: During the press-fitting process, the displacement electronic ruler 15 monitors the displacement stroke, and the pressure sensor 10 monitors the press-fitting force to form a displacement-pressure curve. When it is within the range of the set requirements, the riveting and pressing process is automatically terminated;

[0028] After the second step is completed, the pressing head 9 is lifted by a certain distance, and the servo motor 14 drives the indexing tooling 7 to rotate quickly, aligning more bolt positions with the pressing head. Repeat the second step in sequence to complete the pressing of all bolts. The indexing tooling 7 is customized according to customer needs, and the pressing system can be freely set;

[0029] After the above steps are completed, the riveting and pressing ends, the mechanism resets, and the equipment prompts the operator in the form of sound, light, and electricity.

[0030] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A hub bearing bolt press-fitting machine, comprising a frame (1), characterized in that: The upper end of the frame (1) is provided with a mounting platform (16), the upper end of the mounting platform (16) is fixedly connected to a workpiece block (2), the lower end of the mounting platform (16) is provided with a servo motor (14), the upper end of the mounting platform (16) is provided with a sliding base plate (3), the output shaft end of the servo motor (14) passes through the sliding base plate (3) and is fixedly connected to a dividing tool (7), the upper end of the workpiece block (2) is provided with a hydraulic cylinder (13), the telescopic end of the hydraulic cylinder (13) is provided with a fixed plate (11), the lower end of the fixed plate (11) is fixedly connected to a pressure sensor (10), and the lower end of the pressure sensor (10) is fixedly connected to a pressing head (9).

2. The hub bearing bolt press according to claim 1, characterized in that: The outer wall of the telescopic end of the hydraulic cylinder (13) is provided with a threaded layer (18), the upper end of the fixed plate (11) is provided with a threaded hole (17), and the threaded layer (18) is threadedly connected to the inner wall of the threaded hole (17).

3. The hub bearing bolt press according to claim 1, wherein: The inner top and the inner bottom of the I-shaped block (2) are fixedly connected to two guide rods (12), the two guide rods (12) penetrate the fixed plate (11), and the fixed plate (11) is slidably connected to the two guide rods (12).

4. A hub bearing bolt press according to claim 1, characterized in that: The upper end of the I-shaped block (2) is equipped with a displacement electronic ruler (15), and the upper end of the sliding base plate (3) is fixedly connected with a position sensor, and the position sensor is located at the rear side of the indexing tooling (7).

5. A hub bearing bolt press according to claim 1, characterized in that: A photoelectric switch (8) is installed at the upper end of the mounting platform (16), and two safety light curtains (4) are fixedly connected to the front side of the frame (1).

6. A hub bearing bolt press according to claim 1, characterized in that: The front and rear sides of the frame (1) are both provided with sliding doors (5), and the front side of the frame (1) is provided with a display (6) and a plurality of control switches.

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