Device and process for automatically sleeving rubber mat on cross shaft

Abstract

The invention discloses an automatic rubber mat sleeving device and process for a cross shaft, and relates to the technical field of automatic equipment. Comprising a rack, a workbench is arranged on the upper end face of the rack, an automatic feeding device and a rubber mat sleeving mechanism are further arranged on the workbench, and the rubber mat sleeving mechanism comprises a rotating disc arranged in the middle of the workbench and a ring sleeving device arranged on one side of the rotating disc; at least one part of the feeding mechanical arm extends to the position above the automatic feeding device, the two ring sleeving devices are symmetrically arranged and oppositely arranged at the two ends of the rotating disc, the electric control cabinet is used for providing an electric control program and achieving automatic control over the automatic rubber mat sleeving device, and the automatic feeding device is provided with three feeding vibration discs. The two ring sleeving devices are symmetrically arranged and used for feeding parts respectively, the arranged mechanical arms achieve product conveying through magnetic force, the two ring sleeving devices are symmetrically arranged and used for sleeving rubber pads on four shaft rods of a cross shaft respectively, the automation degree is high, the labor intensity is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of automation equipment technology, and more specifically, to an automatic rubber pad fitting device and process for a cross shaft. Background Technology

[0002] A cross shaft, also known as a universal joint, is a component that enables variable-angle power transmission. It is used in locations where the direction of the drive shaft needs to be changed, and it is the "joint" component of the universal joint in a car's drive system.

[0003] In the production of cross shafts, rubber pads need to be fitted onto the shafts of the cross shaft. However, in the existing cross shaft production process, the rubber pads are still manually fitted onto the four shafts of the cross shaft one by one, or with the help of simple tools to fit the rubber rings. This results in low production efficiency and high manual labor intensity. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide an automatic rubber pad fitting device and process for a cross shaft. The device uses an automatic feeding device to deliver the cross shaft and the required rubber pad, and then the rubber pad fitting mechanism automatically fits the rubber pad onto the cross shaft, thereby achieving automated production and improving production efficiency.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution: an automatic rubber pad fitting device for a cross shaft, comprising a frame, an electrical control cabinet inside the frame, a worktable on the upper surface of the frame, an automatic feeding device and a rubber pad fitting mechanism on the worktable, the rubber pad fitting mechanism comprising a turntable disposed in the middle of the worktable and a collar device disposed on one side of the turntable, a through hole communicating with the electrical control cabinet in the middle of the turntable, the through hole being used to pass through wires and air pipes, a feeding robotic arm and a discharging robotic arm disposed on the turntable, at least a portion of the feeding robotic arm extending above the automatic feeding device, and two collar devices symmetrically disposed at opposite ends of the turntable.

[0006] The present invention is further configured such that each ring assembly includes a first ring assembly and a second ring assembly. The first ring assembly includes a first adjusting cylinder and a first pushing cylinder. The first pushing cylinder is provided with a push rod. The first ring assembly also includes a support plate. The first adjusting cylinder and the first pushing cylinder are mounted on the support plate. The support plate is also provided with a first positioning camera and a clamp. The second ring assembly is disposed on a turntable. A carrier is provided between the first ring assembly and the second ring assembly. One end of the carrier is fixed on the turntable. The automatic feeding device has a feeding channel. The discharge port of the feeding channel is respectively disposed on one side of the first ring assembly and the second ring assembly.

[0007] The invention is further configured such that: the second collar assembly includes a second adjusting cylinder and a second propulsion cylinder; a second positioning camera is provided on one side of the second propulsion cylinder; the second adjusting cylinder and the second propulsion cylinder are fixedly installed on the side of the turntable; the carrier includes a base plate and a material trough disposed on the base plate; the material trough is formed by protruding upward from the upper end of the base plate; the material trough is a contour groove; the material trough is used to place a cross shaft; and at least a portion of the clamp is disposed above the material trough.

[0008] The invention is further configured such that: the clamp includes a rotary cylinder and a clamping cylinder, the clamping cylinder is mounted on the rotary cylinder, a pressure rod is provided at one end of the clamping cylinder, a force output shaft is provided on the piston rod of the clamping cylinder, the pressure rod is connected to the force output shaft, a rubber block is provided at the bottom of the pressure rod, the pressure rod is cylindrical, the pressure rod is located directly above the material trough, and multiple carriers are provided, each carrier corresponding to a material trough.

[0009] The present invention is further configured such that: a cam divider is connected below the turntable; the turntable is stepped; the turntable includes a base and a support plate; the diameter of the base is larger than the diameter of the support plate; the support plate is disposed on the upper surface of the base; at least a portion of the base plate is fixedly mounted on the base; and the second ring assembly is disposed on the support plate.

[0010] The present invention is further configured such that: the automatic feeding device comprises a first feeding device, a second feeding device, and a third feeding device; the first feeding device includes a first feeding vibratory plate and a feeding conveyor belt; the material outlet of the first feeding vibratory plate is connected to the feeding conveyor belt; at least a portion of the feeding robotic arm extends above the feeding conveyor belt; the second feeding device and the third feeding device are respectively disposed on one side of the turntable; the two collar devices are respectively the first collar device and the second collar device; the second feeding device is located on one side of the first collar device; the third feeding device is located on one side of the second collar device; the second feeding device and the third feeding device are symmetrically arranged; the second feeding device is used to feed the first collar device; and the third feeding device is used to feed the second collar device.

[0011] The invention is further configured such that: a material feeding conveyor belt is provided on the worktable on one side of the turntable, at least a portion of the material feeding robotic arm extends above the material feeding conveyor belt, and a detection device is provided on the turntable on one side of the material feeding robotic arm, wherein a vision inspection CCD industrial camera is provided on the detection device.

[0012] The present invention is further configured such that: the loading robotic arm includes a mounting base, a telescopic cylinder is provided on the top of the mounting base, a telescopic rod is provided on the telescopic cylinder, a magnetic component is provided at one end of the telescopic rod, the magnetic component has a magnetic base, a magnetic column is provided at the lower part of the magnetic base, the magnetic column is an electromagnet, and the loading robotic arm and the unloading robotic arm are symmetrically arranged.

[0013] The present invention is further configured as follows: an automatic rubber pad fitting process for a cross shaft, comprising the following steps:

[0014] Step 1: Place the cross shaft and the cross shaft pad into the feeding vibratory feeders in the first feeding device, the second feeding device, and the third feeding device respectively, and feed the material after the feeding vibratory feeder sorts the material.

[0015] Step 2: The first feeding device is used to feed the cross shaft. The first feeding device conveys the cross shaft to the feeding conveyor belt through the first feeding vibrating plate. The cross shaft moves from the front end of the feeding conveyor belt to the tail end of the feeding conveyor belt. The magnetic component of the feeding robot arm is located above the tail end of the feeding conveyor belt. After the feeding robot arm picks up the cross shaft, it transfers it to the material trough of the carrier.

[0016] Step 3: Synchronously, the second feeding device delivers rubber pads through the second feeding vibrating plate and at least two feeding channels connected to the second feeding vibrating plate. The outlet of one feeding channel is located on one side of the first propulsion cylinder on the first ring device. The first propulsion cylinder pushes the rubber pad delivered by the feeding channel onto one of the shafts of the cross shaft through a push rod. The outlet of the other feeding channel is located on one side of the second propulsion cylinder. The second propulsion cylinder puts the rubber pad onto the other shaft of the cross shaft in the same way.

[0017] Step 4: The turntable drives the cross shaft that has completed the semi-finished product processing to rotate. The carrier with the semi-finished product cross shaft rotates 180 degrees and reaches the position of the second ring device on the other side of the turntable. The third feeding device conveys the rubber pad through the above steps and completes the rubber pad installation on the other two sides of the cross shaft in the same way.

[0018] Step 5: After the cross shaft is finished, the turntable drives the carrier to rotate 90 degrees. The visual inspection CCD industrial camera on the inspection device inspects the finished cross shaft. Then, the unloading robotic arm transfers the cross shaft from the material trough to the unloading conveyor belt.

[0019] The invention is further configured such that: after the cross shaft is placed in the material trough, the rotary cylinder on the clamp drives the clamping cylinder to rotate above the material trough, and the pressure rod on the clamping cylinder extends downward and presses against the cross shaft in the material trough; the first positioning camera takes a picture of the shaft facing the first push cylinder; the second positioning camera takes a picture of the shaft facing the second push cylinder; the first push cylinder puts the rubber pad on the shaft; and the second push cylinder completes the action of putting on the rubber pad.

[0020] In summary, the present invention has the following beneficial effects: the present invention has a simple structure and is easy to operate. The electrical control cabinet is used to provide electrical control programs to realize the automated control of the automatic rubber pad device. The automatic feeding device has three feeding vibratory discs, which are used for feeding the cross shaft and rubber pads respectively. The set robotic arm realizes product conveying through magnetic force. Two symmetrical collar devices are provided for fitting rubber pads to the four shafts of the cross shaft respectively. The automation program is high, reducing labor intensity and improving production efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the first ring assembly structure of the present invention;

[0023] Figure 3 This is a process flow diagram of the present invention.

[0024] In the diagram: 1. Frame; 2. Workbench; 3. Turntable; 4. First feeding device; 41. Feeding conveyor belt; 5. Second feeding device; 6. Third feeding device; 7. Control panel; 71. Support; 8. First collar assembly; 81. Bearing plate; 82. First adjusting cylinder; 83. First propulsion cylinder; 84. First push rod; 85. First positioning camera; 9. Fixture; 10. Feeding robotic arm; 11. Detection device; 12. Unloading robotic arm. Detailed Implementation

[0025] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0026] like Figure 1As shown, the present invention provides an automatic rubber pad fitting device for a cross shaft, comprising a frame 1, an electrical control cabinet inside the frame 1, a worktable 2 on the upper surface of the frame 1, an automatic feeding device and a rubber pad fitting mechanism on the worktable 2, the electrical control cabinet being electrically connected to both the automatic feeding device and the rubber pad fitting mechanism, and a control panel 7 on the worktable 2, which is mounted on one side of a turntable 3 via a bracket 71 and is electrically connected to the electrical control cabinet. The rubber pad fitting mechanism is used to fit the rubber pads conveyed by the automatic feeding device onto the shaft of the cross shaft. The rubber pad fitting mechanism consists of a turntable 3 and two symmetrically arranged collar devices. The turntable 3 is mounted on the worktable 3. At the center of platform 2, a through hole is opened in the center of turntable 3, which passes through turntable 3 and worktable 2 respectively. The through hole leads to the electrical control cabinet for wiring and air pipes to pass through. A cam divider is connected below turntable 3. The cam divider is used to drive turntable 3 to perform high-precision indexing movement. Turntable 3 is stepped and is installed on a chassis and a carrier plate, one on top of the other. The diameter of the chassis is larger than the diameter of the carrier plate. After the carrier plate is installed on the chassis, it covers the central area of ​​the chassis. A ring-shaped mounting part is formed on the side of the chassis outside the covered area. The carrier is fixedly installed in the mounting part. The loading robot arm 10, the unloading robot arm 12 and the detection device 11 are all installed on the carrier plate.

[0027] like Figure 2 As shown, the collar device includes a first collar device and a second collar device, which are arranged opposite each other at both ends of the turntable 3. The first collar device includes a first collar assembly 8 and a second collar assembly. The first collar assembly 8 includes a first adjusting cylinder 82 and a first pushing cylinder 83 mounted on a support plate 81. The first pushing cylinder 83 is provided with a first push rod 84. A first positioning camera 85 is also mounted on the support plate 81 on one side of the first push rod 84. A clamp 9 is provided on the support plate 81 on one side of the first adjusting cylinder 82. The second collar assembly is set on the turntable 3, specifically on the support plate. The second collar assembly includes a second adjusting cylinder and a second... The propulsion cylinder has a second push rod on its second propulsion cylinder, and a second positioning camera is provided on one side of the second propulsion cylinder. The carrier is set between the first set-changing assembly and the second set-ring assembly. Specifically, the carrier is set between the first push rod 84 and the second push rod. The carrier consists of a base plate and a material groove set on the base plate. The material groove is formed by the upper end of the base plate protruding upward. The material groove is a contour groove. The cross shaft is placed in the material groove. In use, the rotating cylinder of the clamp 9 drives the clamping cylinder to rotate above the material groove. The clamping cylinder drives the pressure rod to move downward until it is pressed onto the cross shaft. Multiple carriers are arranged around the turntable 3. Each carrier has a corresponding material groove. The first set-ring device and the second set-ring device are symmetrically arranged.

[0028] like Figure 1 , Figure 2As shown, the automatic feeding device includes at least three components: a first feeding device 4, a second feeding device 5, and a third feeding device 6. The first feeding device 4 includes a first feeding vibratory feeder and a feeding conveyor belt 41. The material outlet of the first feeding vibratory feeder is connected to the feeding conveyor belt 41. The first feeding vibratory feeder is located on one side of the worktable 2 and is used for automatic feeding of the cross shaft. The second feeding device 5 includes a second feeding vibratory feeder and at least two feeding channels. One end of each feeding channel is connected to the second feeding vibratory feeder, and the other end extends to one side of the first push rod 84 and the second push rod, respectively. The second feeding device 5 is used for automatic feeding of rubber pads. During use, the rubber pads enter the two feeding channels through the second feeding vibratory feeder and are then fed by… The feeding channel delivers rubber pads to the first push rod 84 and the second push rod respectively. Then, the corresponding first push cylinder 83 drives the first push rod 84 to put the rubber pads onto the shaft of the cross shaft. The other feeding channel is driven by the second push cylinder to put the rubber pads onto the shaft at the other end of the cross shaft. This process completes the rubber pad installation on the two shafts of the cross shaft. After the turntable 3 rotates 180 degrees, the cross shaft in the material trough moves to the second ring device. The third feeding device 6 repeats the above action to put rubber pads on the other two shafts of the cross shaft, completing the automatic rubber pad installation action. The third feeding device 6 and the second feeding device 5 are symmetrically arranged. The second feeding device 5 is used to feed the first ring device, and the third feeding device 6 is used to feed the second ring device.

[0029] like Figure 1 As shown, the loading robotic arm 10 includes a mounting base, a telescopic cylinder on the top of the mounting base, a telescopic rod on the telescopic cylinder, and a magnetic component at one end of the telescopic rod. The magnetic component has a magnetic base, and a magnetic column is provided at the bottom of the magnetic base. The magnetic column is an electromagnet. In use, the first loading device 4 delivers the cross shaft to the loading conveyor belt 41, and the cross shaft is moved from one end of the loading conveyor belt 41 to the other end. The loading robotic arm 10 drives the magnetic component to extend or retract through the telescopic cylinder. When extended, the magnetic component is located at the end of the loading conveyor belt 41, and the magnetic column of the magnetic component is energized to generate magnetism. Force is applied to attract a cross shaft to a magnetic column. The telescopic cylinder retracts synchronously, driving the cross shaft to retract as well. At this time, the magnetic column is located above the material trough. After the magnetic column is de-energized, it loses its magnetic force, and the cross shaft falls into the material trough, completing one loading cycle. The unloading robotic arm 12 and the loading robotic arm 10 are symmetrically arranged. The unloading robotic arm 12 picks up the finished cross shaft with the rubber pad and places it on the unloading conveyor belt, realizing the unloading of the finished cross shaft. Before unloading, the material trough with the finished cross shaft passes under the detection device 11, and the detection device 11 with a vision detection CCD industrial camera performs finished product detection.

[0030] like Figures 1-3As shown, the present invention provides an automatic rubber pad application process for a cross shaft, based on an automatic rubber pad application device for a cross shaft, implemented through the following steps: Step 1: The cross shaft and the rubber pad for the cross shaft are placed in the feeding vibratory feeders of the first feeding device 4, the second feeding device 5, and the third feeding device 6, respectively, and the feeding vibratory feeders feed the cross shaft after sorting the material; Step 2: The first feeding device 4 is used for feeding the cross shaft. The first feeding device 4 conveys the cross shaft to the feeding conveyor belt 41 through the first feeding vibratory feeder. The cross shaft moves from the front end of the feeding conveyor belt 41 to the rear end of the feeding conveyor belt 41. At the end, the magnetic component of the loading robotic arm 10 is located above the tail end of the loading conveyor belt 41. After the loading robotic arm 10 picks up the cross shaft, it transfers it into the material trough of the carrier. In step three, synchronously, the second loading device 5 delivers rubber pads through the second loading vibrating plate and at least two loading channels connected to the second loading vibrating plate. The outlet of one loading channel is located on one side of the first propulsion cylinder 83 on the first collar device. The first propulsion cylinder 83 pushes the rubber pad delivered by the loading channel onto one of the shafts of the cross shaft through a push rod. The outlet of the other loading channel is located on the side of the second propulsion cylinder 83. On one side of the cylinder, the second propulsion cylinder uses the same method to mount the rubber pad onto the other shaft of the cross shaft; Step four, the turntable 3 drives the cross shaft that has completed the semi-finished product processing to rotate, and the carrier with the semi-finished product cross shaft rotates 180 degrees to reach the position of the second ring device on the other side of the turntable 3. The third feeding device 6 then conveys the rubber pad through the above steps and completes the mounting of the rubber pads on the other two shafts of the cross shaft in the same way; Step five, after the cross shaft completes the finished product processing, the turntable 3 drives the carrier to rotate 90 degrees, and the visual inspection CCD industrial camera on the inspection device 11 performs inspection on the cross shaft. The finished shaft is inspected, and then the unloading robot arm 12 transfers the cross shaft from the material trough to the unloading conveyor belt. The cross shaft is placed behind the material trough, and the rotary cylinder on the clamp 9 drives the clamping cylinder to rotate above the material trough. The pressure rod on the clamping cylinder extends downward and presses against the cross shaft in the material trough. The first positioning camera 85 takes a picture of the shaft facing the first push cylinder 83, and the second positioning camera takes a picture of the shaft facing the second push cylinder. The first push cylinder 83 puts the rubber pad on the shaft, and the second push cylinder completes the rubber pad putting action.

[0031] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A cross shaft automatic rubber pad sleeving device, comprising a rack (1), an electric control cabinet is arranged inside the rack (1), characterized in that: The upper end surface of the rack (1) is provided with a workbench (2), and the workbench (2) is further provided with an automatic feeding device and a rubber pad sleeving mechanism, the rubber pad sleeving mechanism comprises a rotating disc (3) arranged in the middle of the workbench (2), and a sleeve ring device arranged on one side of the rotating disc (3), a through hole communicated with the electric control cabinet is formed in the middle of the rotating disc (3), and the through hole is used for penetrating electric wires and air pipes, the rotating disc (3) is provided with a feeding mechanical arm (10) and a discharging mechanical arm (12), at least a part of the feeding mechanical arm (10) extends above the automatic feeding device, and the sleeve ring device is symmetrically provided with two sleeve ring devices which are oppositely arranged at two ends of the rotating disc (3).

2. The automatic hub cap grommet sleeving device of claim 1, wherein: Each sleeve ring device comprises a first sleeve ring assembly (8) and a second sleeve ring assembly, the first sleeve ring assembly (8) comprises a first adjusting cylinder (82) and a first advancing cylinder (83), a push rod is arranged on the first advancing cylinder (83), the first sleeve ring assembly (8) further comprises a bearing plate (81), the first adjusting cylinder (82) and the first advancing cylinder (83) are mounted on the bearing plate (81), and a first positioning camera (85) and a clamp (9) are further arranged on the bearing plate (81), the second sleeve ring assembly is arranged on the rotating disc (3), a carrier is arranged between the first sleeve ring assembly (8) and the second sleeve ring assembly, one end of the carrier is fixed on the rotating disc (3), and the automatic feeding device has a feeding channel, and the discharging outlets of the feeding channel are arranged on one side of the first sleeve ring assembly (8) and the second sleeve ring assembly respectively.

3. The device of claim 2, wherein: The second sleeve ring assembly comprises a second adjusting cylinder and a second advancing cylinder, a second positioning camera is arranged on one side of the second advancing cylinder, and the second adjusting cylinder and the second advancing cylinder are fixedly mounted on the side of the rotating disc (3), the carrier comprises a bottom plate and a material groove arranged on the bottom plate, the material groove is formed by being protruded upward from the upper end surface of the bottom plate, the material groove is a profiled groove, and the cross shaft is arranged in the material groove, and at least a part of the clamp (9) is arranged above the material groove.

4. The device of claim 3, wherein: The clamp (9) comprises a rotating cylinder and a clamping cylinder, the clamping cylinder is arranged on the rotating cylinder, one end of the clamping cylinder is provided with a pressing rod, the piston rod of the clamping cylinder is provided with an output shaft, the pressing rod is connected with the output shaft, the bottom of the pressing rod is provided with a rubber block, the pressing rod is in a cylindrical shape, the pressing rod is arranged directly above the material groove, and the carrier is provided with a plurality of material grooves.

5. The device of claim 3, wherein: A cam divider is connected below the rotating disc (3), the rotating disc (3) is in a stepped shape, the rotating disc (3) comprises a bottom disc and a bearing disc, the diameter of the bottom disc is greater than the diameter of the bearing disc, the bearing disc is arranged on the upper end surface of the bottom disc, at least a part of the bottom plate is fixedly mounted on the bottom disc, and the second sleeve ring assembly is arranged on the bearing disc.

6. The automatic hub cap grommet sleeving device of claim 1, wherein: The automatic feeding device is composed of a first feeding device (4), a second feeding device (5) and a third feeding device (6), the first feeding device (4) comprises a first feeding vibrating disc and a feeding conveying belt (41), the material outlet of the first feeding vibrating disc is communicated with the feeding conveying belt (41), at least a part of the feeding mechanical arm (10) extends above the feeding conveying belt (41), the second feeding device (5) and the third feeding device (6) are respectively arranged on one side of the rotating disc (3), two sleeve ring devices are respectively a first sleeve ring device and a second sleeve ring device, the second feeding device (5) is located on one side of the first sleeve ring device, the third feeding device (6) is located on one side of the second sleeve ring device, the second feeding device (5) and the third feeding device (6) are symmetrically arranged, the second feeding device (5) is used for feeding the first sleeve ring device, and the third feeding device (6) is used for feeding the second sleeve ring device.

7. The automatic hub cap grommet sleeving device of claim 1, wherein: A feeding conveying belt is further arranged on the workbench (2) on one side of the rotating disc (3), at least a part of the discharging mechanical arm (12) extends above the feeding conveying belt, and a detection device (11) is further arranged on the rotating disc (3) on one side of the discharging mechanical arm (12), and a visual detection CCD industrial camera is arranged on the detection device (11).

8. The automatic hub cap grommet sleeving device of claim 1, wherein: The feeding mechanical arm (10) comprises a mounting seat, a telescopic cylinder is arranged on the top of the mounting seat, a telescopic rod is arranged on the telescopic cylinder, a magnetic assembly is arranged on one end of the telescopic rod, the magnetic assembly comprises a magnetic seat, a magnetic column is arranged on the lower part of the magnetic seat, the magnetic column is an electromagnet, and the feeding mechanical arm (10) and the discharging mechanical arm (12) are symmetrically arranged.

9. A cross shaft automatic sleeve gasket process based on the cross shaft automatic sleeve gasket device in any one of claims 1-8, further comprising the following steps: Step one, the cross shaft and the cross shaft gasket are respectively placed in the feeding vibrating disc in the first feeding device (4), the second feeding device (5) and the third feeding device (6), and the feeding vibrating disc is used for feeding after sorting; Step two, the first feeding device (4) is used for feeding the cross shaft, the first feeding device (4) transports the cross shaft to the feeding conveying belt (41) through the first feeding vibrating disc, the cross shaft is moved from the front end of the feeding conveying belt (41) to the tail end of the feeding conveying belt (41), the magnetic assembly of the feeding mechanical arm (10) is located above the tail end of the feeding conveying belt (41), and the feeding mechanical arm (10) transfers the cross shaft to the material groove of the carrier after sucking the cross shaft; Step three, synchronously, the second feeding device (5) transports the gasket through the second feeding vibrating disc and at least two feeding channels communicated with the second feeding vibrating disc, the discharge port of one feeding channel is located on one side of the first push cylinder (83) on the first sleeve ring device, the gasket sent by the first push cylinder (83) through the push rod is sleeved on one of the shafts of the cross shaft, the discharge port of the other feeding channel is located on one side of the second push cylinder, and the second push cylinder sleeves the gasket on the other shaft of the cross shaft through the same way; Step four, the rotating disc (3) drives the cross shaft with semi-finished product to rotate, the carrier with the cross shaft is rotated 180 degrees, reaches the position of the second set of ring device on the other side of the rotating disc (3), the rubber pad is transported by the third feeding device (6) through the above steps, and the rubber pad is sleeved on the shaft rod on the other two sides of the cross shaft in the same way; Step five, after the cross shaft is finished, the rotating disc (3) drives the carrier to rotate 90 degrees, the cross shaft product is detected by the visual detection CCD industrial camera on the detection device (11), and then the cross shaft is transferred from the trough to the unloading conveying belt by the unloading mechanical arm (12).

10. The process of claim 9, wherein: After the cross shaft is placed in the trough, the rotating cylinder on the clamp (9) drives the clamping cylinder to rotate above the trough, the pressure rod on the clamping cylinder extends downward and is pressed on the cross shaft in the trough, the first positioning camera (85) takes a picture to position the shaft rod on the side of the cross shaft facing the first advancing cylinder (83), the second positioning camera takes a picture to position the shaft rod on the side of the cross shaft facing the second advancing cylinder, the first advancing cylinder (83) sleeves the rubber pad on the shaft rod, and the second advancing cylinder completes the rubber pad sleeving action.

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