Self-aligning inner bearing cone press-fitting machine

Abstract

The utility model discloses a press-fitting machine capable of automatically aligning an inner bearing cone. The press-fitting machine comprises a rack, a press-fitting device and a photoelectric sensor. Wherein a press-fitting device, a photoelectric sensor, a press-fitting device limiting assembly, a main tooth unit, a fixed seat, a pressure head and a servo motor are arranged in the rack. The rack is composed of a bottom plate, side plates and a cover plate, a limiting assembly is arranged at the upper end of the bottom plate, and a main tooth unit is arranged at the upper end of the limiting assembly; the servo motor penetrates through the top plate and is arranged above the top plate, a fixing seat is arranged at the lower end of the servo motor, and a pressing head is arranged at the lower end of the fixing seat; the photoelectric sensors are arranged on the two sides of the limiting assembly. Signals are transmitted to the fixing base through the photoelectric sensor, the fixing base adjusts the angle of the pressing head to enable the pressing head to form a torque angle consistent with the main tooth, and it is guaranteed that the pressing head can accurately press the main tooth and the inner bearing cone.

Description

Technical Field

[0001] The utility model relates to an automatic aligning inner bearing cone press-fitting machine, belonging to the technical field of press-fitting machines. Background Art

[0002] The engine is one of the key components in the automotive field, and the main gear inner bearing cone press-fitting process in the engine is very common in the field of automotive engine processing. However, the inner bearing cone has a certain taper, which can easily cause the main gear on the support seat to twist during the press-fitting process, resulting in low quality of the product produced after the inner bearing cone press-fitting work is completed. Faced with this situation, the general method is to manually adjust the main gear position, which is time-consuming, labor-intensive, unsafe, and dangerous. The work efficiency of personnel is low and cannot meet the current requirements of highly intelligent and diversified production processes. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an automatic alignment inner bearing cone press machine, which can automatically adjust the inclination of the pressure head to align with the main teeth on the support seat, thereby ensuring the efficiency and accuracy of the inner bearing cone press work, meeting the current requirements of high intelligence and diversified production processes, and effectively solving the problems in the background technology. The technical problem to be solved by the utility model is achieved by adopting the following technical solutions: an automatic alignment inner bearing cone press machine, comprising:

[0004] The frame and the press-fit device are characterized in that the press-fit device includes a limit assembly, a main gear unit, a fixing sleeve, a press head, a servo motor, and a calibration plug;

[0005] The frame includes a bottom plate, side plates, and a top plate, wherein the top plate is arranged above the side plates, and the side plates are arranged above the bottom plate;

[0006] The main gear unit is fixed above the bottom plate by the limiting assembly, and the limiting assembly can ensure that the main gear unit does not rotate when pressed; the servo motor passes through the top plate and is arranged above the main gear unit, and the fixing sleeve is arranged below the servo motor; the calibration plug is arranged inside the fixing sleeve, and the pressure head is arranged inside the fixing sleeve, and the pressure head is connected to the calibration plug;

[0007] The pressing head can be adjusted to form a torque angle consistent with the main gear unit, ensuring that the pressing head can accurately press-fit the main gear unit.

[0008] Preferably, at least one rubber ring is provided at the connection between the fixing sleeve and the pressing head, and the rubber ring can adjust a small twist angle of the pressing head to accurately fit the main gear to be pressed into the inner bearing cone.

[0009] Preferably, a limiting pin is provided at the connection between the fixing sleeve and the pressing head.

[0010] Preferably, there are at least four limiting pins, and the limiting pins can ensure that the pressing head does not rotate when the pressing head is twisted at an angle.

[0011] Preferably, a stop pin is provided on the outer side of the fixing sleeve.

[0012] Preferably, a calibration plug is provided inside the fixing sleeve, the calibration plug is connected above the pressure head, and the stop pin fixes the position of the calibration plug inside the fixing sleeve.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the utility model, the servo motor drives the fixed sleeve and the pressure head to move up and down, thereby driving the pressure head to press the main gear. The rubber ring in the fixed sleeve can cooperate with the pressure head to form a consistent torsion angle with the main gear, ensuring that the pressure head can accurately press the main gear and the inner bearing cone, which can improve the press-fitting accuracy, reduce the use of manpower, save time and labor, and have high press-fitting efficiency, reduce danger, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a left-side structural schematic diagram of the utility model.

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model.

[0018] In the figure: 1-frame, 22-frame top plate, 23-frame back plate, 24-frame side plate, 25-frame bottom plate, 26-frame mounting plate, 2-sensing component A, 27-reflecting mounting plate A, 28-flange guide shaft support A, 29-rod A, 30-mini photoelectric sensor A, 3-sensing component B, 31-reflecting mounting plate B, 32-mini photoelectric sensor B, 33-reflecting adjustment plate, 34-reflecting bracket, 35-rod B, 36-flange guide shaft support B, 4-proximity switch unit, 37-sensing bracket, 38-proximity switch, 15-sensing rod, 5-read / write head assembly, 39-connecting cable with connector, 40-read Write head, 41-read / write head fixing nut, 42-read / write head sensing bracket, 6-limit assembly, 43-limit sleeve, 44-lower support seat, 45-hole retaining ring, 46-support seat, 47-positioning sleeve, 48-limit column, 49-placement seat, 50-rectangular spring, 51-end cover, 7-main gear unit, 52-main gear, 53-inner ring, 54-cylindrical roller, 55-cage, 8-calibration plug, 9-fixed seat, 10-mushroom type knob handle, 11-stop pin, 12-fixed sleeve, 13-limit nail, 14-pressure head, 16-connector, 18-force sensor, 19-connecting rod, 20-rubber ring, 21-servo motor. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments.

[0020] Embodiment 1, as Figure 1-Figure 3 As shown, the utility model provides a technical solution: an automatic alignment inner bearing cone press assembly machine, comprising:

[0021] The rack 1 includes a rack bottom plate 25, a rack side plate 24, a rack top plate 22, and a rack mounting plate 26. The rack top plate 22 is arranged above the rack side plates 24, the rack side plates 24 are arranged above the rack bottom plate 25, and the rack bottom plate 25 is arranged above the rack mounting plate 26.

[0022] The limit assembly 6 is installed above the frame bottom plate 25, away from the frame rear plate 23. The limit assembly 6 includes a limit sleeve 43, a lower support seat 44, a hole retaining ring 45, a support seat 46, a positioning sleeve 47, a limit column 48, a placement seat 49, a rectangular spring 50, and an end cover 51. The support seat 46 passes through the frame mounting plate 26 and the frame bottom plate 25, and an end cover 51 is arranged below the support seat 46. The frame bottom plate 25 is provided with a groove for accommodating the placement seat 49, and the placement seat 49 is arranged in the groove of the frame bottom plate 25. The support seat 46 passes through the placement seat 49, and a limit column 48 is also arranged above the placement seat 49. The limit column 48 fixes the position of the support seat 46 in the placement seat 49, so that the support seat 46 will not rotate in the placement seat 49. A lower support seat 44 is arranged above the support seat 46, and a hole retaining ring 45 is arranged at the connection between the support seat 46 and the inner circle of the lower support seat 44. The lower part of the rectangular spring 50 is fixed on the end cover 51 and placed in the middle of the support seat 46. A positioning sleeve 47 is arranged above the rectangular spring 50.

[0023] The main gear unit 7 is fixed on the top of the limit assembly 6. The main gear unit 7 includes a main gear 52, an inner ring 53, a cylindrical roller 54, and a retainer 55. The main gear 52 is arranged on the rectangular spring 50, a positioning sleeve 47 is slidably arranged on the outer side below the main gear 52, a cylindrical roller 54 is arranged on the outer side of the inner ring 53, a retainer 55 is arranged on the outer side of the inner ring 53, and an opening for the cylindrical roller 54 is arranged on the retainer 55 so that the cylindrical roller 54 can rotate through the retainer 55. The inner ring 53 is arranged on the hole retainer 45, and the inner ring 53 is arranged on the outer side of the main gear 52.

[0024] The limiting assembly 6 can ensure that the main gear unit 7 does not rotate when being pressed.

[0025] The servo motor 21 passes through the frame top plate 22 and is arranged above the main gear unit 7 . A connector 16 is arranged below the servo motor 21 , and a fixing sleeve 12 is arranged below the connector 16 .

[0026] The inner side of the fixed sleeve 12 is provided with a calibration plug 8 and a pressure head 14, wherein the upper end of the pressure head 14 is connected to the calibration plug 8, the upper end of the pressure head 14 is arranged in the fixed sleeve 12, and the lower end of the pressure head 14 passes through the fixed sleeve 12. The fixed sleeve 12 is provided with a stop pin 11 on the outer side of the calibration plug 8, and the fixed sleeve 12 is provided with four limit pins 13 on the outer side of the pressure head 14.

[0027] At least one rubber ring 20 is arranged in the fixing sleeve 12 at the upper end of the pressing head 14, preferably two rubber rings 20 are arranged at intervals at the upper end of the pressing head 14. The rubber ring 20 can adjust the slight twist angle of the pressing head 14 to accurately match the main tooth 52 to be pressed into the inner ring 53.

[0028] The servo motor 21 pushes the connector 16 and the fixing sleeve 12 to move up and down, thereby driving the pressing head 14 on the fixing sleeve 12 to press the main gear 52. The stop pin 11 is used to fix the position of the calibration plug 8 in the fixing sleeve 12, and the limit pin 13 is used to fix the pressing head 14 in the horizontal position of the fixing sleeve 12.

[0029] A proximity switch unit 4 is arranged outside the fixing sleeve 12, and the proximity switch unit is arranged on the opposite side of the stop pin 11. The proximity switch unit 4 includes a sensing bracket 37, a sensing rod 15, and a proximity switch 38, wherein the sensing bracket is arranged on the frame top plate 22, the proximity switch 37 is arranged on the sensing bracket 37, and the sensing rod 15 is arranged on the fixing sleeve 12. The proximity switch 38 can detect the initial position of the fixing sleeve 12, ensure the accuracy of the pressing device, and at the same time determine that the pressing head 14 returns to the initial position without pressing the hands of the staff.

[0030] A read / write head assembly 5 is arranged behind the limit assembly 6, and the read / write head assembly 5 includes a read / write head 40 with a connector connecting cable 39, a read / write head 40, a read / write head fixing nut 41, and a read / write head sensing bracket 42. The read / write head sensing bracket 42 is arranged above the frame bottom plate 25 and behind the limit assembly 6; a read / write head fixing nut 41 is arranged at the upper end of the read / write head sensing bracket 42, and the read / write head 40 is fixed to the read / write head sensing bracket 42 through the read / write head nut 41, and is spaced from the limit assembly 6 by one end, and the height is located at the upper end of the support seat 46. The 39 connector connecting cable is connected to the read / write head 40. An identification device is arranged at the upper end of the rear of the support seat 46 of the limit assembly 6, and the read / write head 40 can detect the model of the limit assembly 6 through the identification device.

[0031] When the products are different during production, different types of limit components 6 need to be replaced. The read-write head 40 can identify the type of the limit component 6 and determine the type and quantity of the produced products.

[0032] The rack bottom plate 25 is also provided with a sensor assembly A2 and a sensor assembly B3. There are two sensor assemblies A2, which are arranged above the rack bottom plate 25, close to the rack side plates 24 on both sides but not in contact with the rack side plates 24. The sensor assembly A2 includes a beam mounting plate A27, a flange-type guide shaft support A28, a rod A29, a mini photoelectric sensor A30, and a mini photoelectric sensor A receiver. The flange-type guide shaft support A28 is arranged on the rack bottom plate 25, one end of the rod A29 passes through the flange-type guide shaft support A28 and is fixed on the rack bottom plate 25, and the other end of the rod A29 is provided with a beam mounting plate A27, and a mini photoelectric sensor A30 is arranged on the right beam mounting plate A27 near the rack rear plate 23, and a mini photoelectric sensor A receiver is arranged on the left beam mounting plate A27 near the rack rear plate 23.

[0033] There are two sensor components B3, which are arranged above the frame bottom plate 25 and close to the sensor components A2 on both sides. The sensor component B3 includes a beam mounting plate B31, a mini photoelectric sensor B32, a beam adjustment plate 33, a beam bracket 34, a rod B35, a flange-shaped guide shaft support B36, and a mini photoelectric sensor B receiver. There are two mini photoelectric sensors B32, wherein the flange-shaped guide shaft support B36 is arranged on the frame bottom plate 25, one end of the rod B35 passes through the flange-shaped guide shaft support B36 and is fixed on the frame bottom plate 25, and the other end of the rod B35 is provided with a beam mounting plate B31 and a beam adjustment plate 33, and the beam mounting plate B31 is arranged above the beam adjustment plate 33. The right beam mounting plate B31 is provided with a mini photoelectric sensor B32 on the side close to the frame rear plate 23, and the left beam mounting plate B31 is provided with a mini photoelectric sensor B32 receiver on the side close to the frame rear plate 23. A beam bracket 34 is provided on the side of the beam adjustment plate 33 close to the press-fitting device. The right beam bracket 34 is provided with a mini photoelectric sensor B32, and the left beam bracket 34 is provided with a mini photoelectric sensor B receiver.

[0034] When working, sensor A can detect the thickness of the main tooth head and prevent errors. Check whether the sensor has displacement output to determine whether the thickness of the main tooth head is accurate. Sensor B can detect the positive and negative errors of DIFF bearings.

[0035] Sensor A2, sensor B3, read / write head assembly 5 and proximity switch unit 4 are controlled by PLC. If an error is detected in the signal detected by each sensor, the PLC controls the press to stop working.

[0036] The servo motor 21 pushes the fixing sleeve 12 to move up and down, thereby driving the pressing head 14 on the fixing sleeve 12 to press the main teeth 52 and the inner ring 53. The rubber ring inside the fixing sleeve 12 can cooperate with the pressing head 14 to form a torsion angle consistent with the main teeth 52, ensuring that the pressing head 14 can accurately press the main teeth 14 and the inner ring 53, thereby improving the press-fitting accuracy, reducing the use of manpower, saving time and effort, and having high press-fitting efficiency, reducing danger, and improving work efficiency.

[0037] In the second embodiment, when testing the press-fit device, the calibration plug 8 is replaced with a force sensor 18, and the force sensor 18 needs to be fixed using a fixing seat 9, wherein the stop pin 11 cooperates with the fixing seat 9 to fix the force sensor 18 in the fixing sleeve 12, so that the lower end of the force sensor is fixed to the pressure head 14. A mushroom-shaped knob handle 10 is also provided on the outside of the fixing seat 9. The mushroom-shaped knob handle 10 facilitates the replacement of the calibration plug 8 and the fixing seat 9. The force sensor 18 can detect whether the press-fitting effect of the press-fitting device meets the standard.

[0038] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An automatic alignment inner bearing cone press assembly machine, comprising: The frame and the press-fit device are characterized in that the press-fit device includes a limit assembly, a main gear unit, a fixing sleeve, a press head, a servo motor, and a calibration plug; The frame includes a bottom plate, side plates, and a top plate, wherein the top plate is arranged above the side plates, and the side plates are arranged above the bottom plate; The main gear unit is fixed above the bottom plate by the limiting assembly, and the limiting assembly can ensure that the main gear unit does not rotate when pressed; the servo motor passes through the top plate and is arranged above the main gear unit, and the fixing sleeve is arranged below the servo motor; the calibration plug is arranged inside the fixing sleeve, and the pressure head is arranged inside the fixing sleeve, and the pressure head is connected to the calibration plug; The pressing head can be adjusted to form a torque angle consistent with the main gear unit, ensuring that the pressing head can accurately press-fit the main gear unit.

2. The automatic alignment inner bearing cone press assembly machine according to claim 1, characterized in that: At least one rubber ring is provided at the connection between the fixing sleeve and the pressure head.

3. The automatic alignment inner bearing cone press assembly machine according to claim 2, characterized in that: The rubber ring can adjust the slight twisting angle of the pressure head to accurately fit the main gear and press it into the inner bearing cone.

4. The automatic alignment inner bearing cone press assembly machine according to claim 1, characterized in that: A limiting pin is arranged at the connection between the fixing sleeve and the pressing head.

5. The automatic alignment inner bearing cone press assembly machine according to claim 4, characterized in that: There are at least four limiting pins, and the limiting pins can ensure that the pressing head does not rotate when the pressing head is twisted.

6. The automatic alignment inner bearing cone press assembly machine according to claim 1, characterized in that: A stop pin is arranged on the outer side of the fixing sleeve.

7. The automatic alignment inner bearing taper press assembly machine according to claim 6, characterized in that: A calibration plug is arranged inside the fixing sleeve, the calibration plug is connected above the pressure head, and the stop pin fixes the position of the calibration plug inside the fixing sleeve.

Images