Bush flanging machine with buffer structure

Abstract

A lining flanging machine with a buffering structure comprises a pre-flanging mechanism, a forming mechanism, a conveying mechanism and a material taking mechanism. The pre-flanging mechanism comprises a pre-flanging forming unit, a lower pre-flanging forming unit and a first buffering mechanism. The upper pre-flanging forming unit comprises an upper driving air cylinder and an upper pre-pressing forming die. The upper pre-pressing forming die comprises a connecting disc and a pre-pressing column. The first buffering mechanism comprises a limiting circular ring and a plurality of elastic components arranged between the limiting circular ring and the connecting disc, and therefore the damping effect is achieved when the upper pre-pressing forming unit acts. The conveying mechanism comprises a sliding device and a second buffering mechanism arranged on the sliding device. The second buffering device moves between the pre-flanging mechanism and the conveying mechanism along with the sliding device, and buffering unloading force can be provided when the pre-flanging mechanism and the forming mechanism operate, so that the service life of the flanging machine is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of bushing processing, in particular to a bushing flanging machine with a buffer structure Background Art

[0002] Bushings are used outside mechanical parts to achieve sealing, wear protection and other functions. They refer to ring sleeves that act as gaskets. They need to be flanging during the processing.

[0003] In the prior art, the flanging of bushings is usually processed by a one-step flanging method. The one-step flanging has a large punching force, which is easy to damage the bushing and reduce the service life of the flanging machine. For example, a double-head bushing flanging machine provided by patent number CN219503509U has a one-step flanging process and the two pressing heads are not provided with a special buffering and shock absorbing device. Summary of the invention

[0004] In view of this, the utility model provides a bushing flanging machine with a buffer structure which can solve the above-mentioned problem.

[0005] A bushing flanging machine with a buffer structure comprises a bracket and a support plate arranged on the bracket. The bushing flanging machine with a buffer structure comprises a pre-flanging mechanism arranged on the bracket, a forming mechanism arranged on one side of the pre-flanging mechanism, a transmission mechanism arranged between the pre-flanging mechanism and the forming mechanism, and a material taking mechanism arranged on one side of the pre-flanging mechanism. The pre-flanging mechanism comprises an upper pre-flanging forming unit arranged on the bracket, a lower pre-flanging forming unit arranged on the bracket, and a first buffer mechanism sleeved on the upper pre-flanging forming unit. The upper pre-flanging forming unit comprises an upper driving cylinder arranged on the bracket, and an upper pre-pressing forming mold fixedly connected to the upper driving cylinder. The upper pre-pressing forming mold comprises a connecting disk fixedly connected to the upper driving cylinder, and a pre-pressing column arranged at one end of the connecting disk. The first buffer mechanism comprises a limiting ring sleeved on the pre-pressing column, and a plurality of elastic components arranged between the limiting ring and the connecting disk. The limiting circle is also provided with a plurality of mounting holes arranged in a circumferential manner corresponding to the connecting disk. The limiting ring is linked to the connecting disk by bolts. One end of the elastic component is inserted into the limiting ring, and the other end is inserted into the connecting disk. The transmission mechanism includes a sliding device arranged on the supporting plate, and a second buffer mechanism arranged on the sliding device. The sliding device includes two guide rails arranged on both sides of the supporting plate, at least two sliders respectively slidably connected to the guide rails, and a moving plate fixedly arranged on the slider. The second buffer mechanism includes a forming mounting seat arranged on the side of the moving plate facing the supporting plate, a plurality of limiting rods arranged on the side of the moving plate facing away from the supporting plate and connected to the slider, and a plurality of buffer springs respectively arranged on the limiting rods. The moving plate is sandwiched between the buffer spring and the slider, so that the second buffer mechanism moves back and forth between the pre-flanging mechanism and the forming mechanism along with the sliding device, so that the pre-flanging mechanism and the forming mechanism can both obtain buffer unloading force when they are in operation.

[0006] Furthermore, the lower pre-flanging forming unit includes a lower driving cylinder arranged on the bracket, and a lower pre-pressing forming die arranged on the lower driving cylinder.

[0007] Furthermore, the lower pre-pressing forming mold includes a lower pre-pressing forming mold body, a lower pre-pressing forming core rod arranged at the free end of the lower pre-pressing forming mold body, and the lower pre-pressing mold body is chamfered at one end of the lower pre-pressing forming core rod and the inclination angle of the chamfer is 45 degrees.

[0008] Furthermore, the forming mechanism includes a forming lifting drive device fixedly connected to the bracket, a lifting plate arranged on the forming lifting drive device, a flanging forming mold arranged on the lifting plate, and a pressing head arranged opposite to the flanging forming mold.

[0009] Furthermore, the molding lifting drive device includes a main drive unit and an auxiliary drive unit arranged on the side of the main drive unit, and the main drive unit and the auxiliary drive unit are cylinders of different specifications.

[0010] Furthermore, the material taking mechanism includes a pallet moving device arranged on the bracket, and a pallet main body arranged on the pallet moving device.

[0011] Furthermore, the tray body is arranged to be inclined along its length direction.

[0012] Furthermore, the buffer spring is sleeved on the limiting rod, and one end of the limiting rod is fixedly connected to the forming mounting seat.

[0013] Compared with the prior art, the utility model provides a bushing flanging machine with a buffer structure, which includes a pre-flanging mechanism, a forming mechanism arranged on one side of the pre-flanging mechanism, a transmission mechanism arranged between the pre-flanging mechanism and the forming mechanism, and a material taking mechanism arranged on one side of the pre-flanging mechanism. The pre-flanging mechanism includes an upper pre-flanging forming unit arranged on the bracket, a lower pre-flanging forming unit arranged on the bracket, and a first buffer mechanism sleeved on the upper pre-flanging forming unit. The upper pre-flanging forming unit includes an upper driving cylinder arranged on the bracket, and an upper pre-pressing forming mold fixedly connected to the upper driving cylinder. The upper pre-pressing forming mold includes a connecting disk fixedly connected to the upper driving cylinder, and a pre-pressing column arranged at one end of the connecting disk. The first buffer mechanism includes a limiting ring sleeved on the pre-pressing column, and a plurality of elastic components arranged between the limiting ring and the connecting disk. The transmission mechanism includes a sliding device arranged on the support plate, and a second buffer mechanism arranged on the sliding device. The sliding device includes two guide rails arranged on both sides of the support plate, at least two sliders respectively slidably connected to the guide rails, and a movable plate fixedly arranged on the slider. The second buffer mechanism includes a forming mounting seat arranged on the side of the movable plate facing the support plate, a plurality of limit rods arranged on the side of the movable plate facing away from the support plate and connected to the slider, and a plurality of buffer springs respectively arranged on the limit rods. The movable plate is clamped between the buffer spring and the slider, so that the second buffer mechanism can move back and forth between the pre-flanging mechanism and the forming mechanism along with the sliding device. The arrangement of the first buffer mechanism and the second buffer structure enables the pre-flanging mechanism and the forming mechanism to obtain buffering unloading force when they are in operation, thereby ensuring the reliability of the flanging of the bushing and improving the service life of the flanging machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a schematic structural diagram of a bushing flanging machine with a buffer structure.

[0015] Figure 2 for Figure 1 A structural schematic diagram of a bushing flanging machine with a buffer structure.

[0016] Figure 3 for Figure 1 A schematic diagram of the local structure of a bushing flanging machine with a buffer structure at point A.

[0017] Figure 4 for Figure 1A schematic structural diagram of a lower pre-pressing forming die of a bushing flanging machine with a buffer structure. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific embodiments of the present invention. It should be understood that the description of the present invention herein is not intended to limit the protection scope of the present invention.

[0019] like Figures 1 to 4 As shown, it is a schematic diagram of the structure of a bushing flanging machine with a buffer structure provided by the utility model. The bushing flanging machine with a buffer structure includes a bracket 1, a support plate 2 arranged on the bracket, a pre-flanging mechanism 10 arranged on the bracket 1, a forming mechanism 20 arranged on one side of the pre-flanging mechanism 10, a transmission mechanism 30 arranged between the pre-flanging mechanism 10 and the forming mechanism 20, and a material taking mechanism 40 arranged on one side of the pre-flanging mechanism 10. It is conceivable that the bushing flanging machine with a buffer structure also includes some other functional modules, such as assembly components and electrical connection components. Control devices, sensor devices, etc., which should be technologies well known to those skilled in the art, will not be described one by one here.

[0020] The bracket 1 and the support plate 2 are used to support each mechanism so as to combine the mechanisms into a whole and cooperate with each other. The support plate 2 is provided with a plurality of through holes corresponding to the pre-flanging mechanism 10 and the forming mechanism 20. It is a conventional setting in the art to realize the processing and forming of the pre-flanging mechanism 10 and the forming mechanism 20. The bracket 1 and the support plate 2 are both existing technologies and will not be elaborated here.

[0021] The pre-flanging mechanism 10 includes an upper pre-flanging forming unit 11 disposed on the bracket 1 , a lower pre-flanging forming unit 12 disposed on the bracket 1 , and a first buffer mechanism 13 sleeved on the upper pre-flanging forming unit 11 .

[0022] The central axis of the upper pre-flanging forming unit 11 coincides with that of the lower pre-flanging forming unit 12, that is, the upper pre-flanging forming unit 11 corresponds to that of the lower pre-flanging forming unit 12. The upper pre-flanging forming unit 11 includes an upper driving cylinder 111 disposed on the bracket 1, and an upper pre-pressing forming mold 112 fixedly connected to the upper driving cylinder 111. The upper pre-pressing forming mold 112 includes a connecting disk 1121 fixedly connected to the upper driving cylinder 111, and a pre-pressing column 1122 disposed at one end of the connecting disk 1121. The connecting disk 1121 is fixedly connected to the pre-pressing column 1122. The diameter of the connecting disk 1121 is greater than the diameter of the pre-pressing column 1122, and the central axis of the connecting disk 1121 coincides with that of the pre-pressing column 1122. A plurality of connecting holes are provided along the circumference of the connecting disk 1121 for connecting the first buffer mechanism 13.

[0023] The lower pre-flanging forming unit 12 includes a lower driving cylinder 121 arranged on the bracket 1, and a lower pre-pressing forming mold 122 arranged on the lower driving cylinder 121. The lower pre-pressing forming mold 122 includes a lower pre-pressing mold body 1221 and a lower pre-pressing forming mandrel 1222 arranged at the free end of the lower pre-pressing mold body 1221. The lower pre-pressing mold body 1221 is chamfered toward one end of the lower pre-pressing forming mandrel 1222, and the inclination angle of the chamfer is 45 degrees. During the operation of the pre-flanging mechanism 10, the upper pre-flanging forming unit 11 and the lower pre-flanging forming unit 12 are pressed toward each other, and the upper pre-pressing forming mold 112 and the lower pre-pressing forming mold 122 punch one end of the workpiece to be processed to form a 45-degree flange. The upper pre-pressing forming mold 112 and the lower pre-pressing forming mold 122 are both existing technologies and will not be described in detail here.

[0024] The first buffer mechanism 13 includes a limiting ring 131 sleeved on the preload column 1122, and a plurality of elastic components 132 arranged between the limiting ring 131 and the connecting disk 1121. The limiting ring 131 is sleeved on the preload column 1122 and is connected to the connecting disk 1121 through a link such as a nut. The axial position of the limiting ring 131 is fixed, and the connecting disk 1121 moves back and forth along the axial direction under the action of the upper driving cylinder 111. The elastic components 132 are arranged between the limiting ring 131 and the connecting disk 1121 at equal intervals along the circumference of the limiting ring 131. One end of the elastic component 132 is inserted into the limiting ring 131, and the other end is inserted into the connecting disk 1121. Therefore, the length of the elastic component 132 is greater than the maximum distance between the limiting disk 131 and the connecting disk 1121 to ensure that the elastic component 132 will not be detached. In this embodiment, the elastic component 132 includes a plurality of guide rods arranged between the limiting disc 131 and the connecting disc 1121, and a plurality of springs sleeved on the guide rods. The two ends of the guide rod are respectively connected to the limiting disc 131 and the connecting disc 1121, and the guide rod can slide between the limiting disc 131 and the connecting disc 1121. The connection structure between the guide rod and the limiting disc 131 and the connecting disc 1121 is a prior art and will not be described in detail here. The first buffer mechanism 13 is used to buffer the impact of the upper pre-flanging unit 11 on the workpiece to ensure the processing quality.

[0025] The forming mechanism 20 includes a forming lifting drive device 21 fixedly connected to the bracket 1, a lifting plate 22 arranged on the forming lifting drive device 21, a flanging forming mold 23 arranged on the lifting plate 22, and a pressing head 24 arranged opposite to the flanging forming mold 23.

[0026] The molding lifting drive device 21 includes a main drive unit 211 and two auxiliary drive units 212 arranged on both sides of the main drive unit 211. The main drive unit 211 and the auxiliary drive unit 212 are cylinders of different specifications. The main drive unit 211 is used to provide the main driving force, and the auxiliary drive unit 212 provides the auxiliary driving force, which can also improve the overall stability of the molding mechanism 20.

[0027] The lifting plate 22 is fixedly connected to the auxiliary driving unit 212 and is used to support the flanging forming die 23 .

[0028] The flanging forming die 23 includes a flanging forming die main body 231 and a forming mandrel 232 disposed at the free end of the flanging forming die main body 231. A 90-degree angle is formed between the flanging forming die main body 231 and the forming mandrel 232, that is, a 90-degree angle can be formed at one end of the processed workpiece during the stamping process of the flanging forming die main body 231 and the forming mandrel 232. Both the flanging forming die main body 231 and the forming mandrel 232 are prior arts and will not be described in detail herein.

[0029] The pressing head 24 is arranged corresponding to the flanging forming die 23, and the central axes of the two are consistent. When the forming mechanism 20 is in operation, the forming rod core 232 of the flanging forming die 23 is inserted into the bushing to be processed, and the forming lifting drive device 21 drives the lifting plate to move toward one side of the pressing head 24, and cooperates with the pressing head 24 to flanging the bushing to be processed at 90 degrees.

[0030] The transmission mechanism 30 includes a sliding device 31 disposed on the support plate 2 , and a second buffer mechanism 32 disposed on the sliding device 31 .

[0031] The sliding device 31 includes two guide rails 311 arranged on both sides of the support plate 2, at least two sliders 312 respectively slidably connected to the guide rails 311, a movable plate 313 fixedly arranged on the slider 312, and a sliding drive assembly 314 arranged on the bracket 1. The middle part of the movable plate is provided with through holes corresponding to the pre-flanging forming mechanism 10 and the flanging forming mechanism 20. One end of the sliding drive assembly 314 is fixedly connected to the movable plate 313, and the other end is provided with a cylinder for driving the slider 312 to slide along the guide rails 311, so that the workpiece to be processed is reciprocated between the pre-flanging forming mechanism 10 and the flanging forming mechanism 20 through the movable plate 313.

[0032] The second buffer mechanism 32 is arranged on the moving plate 313 and moves back and forth with the moving plate 313. The second buffer mechanism 32 includes a molded mounting seat 321 arranged on the side of the moving plate 313 facing the support plate 2, a plurality of limit rods 322 arranged on the side of the moving plate 313 facing away from the support plate 2 and connected to the slider 312, and a plurality of buffer springs 323 arranged on the limit rods 322. One end of the limit rod 322 is fixedly connected to the molded mounting seat 321. The buffer spring 323 is sleeved on the limit rod 322, and the limit rod 322 is used to limit the position of the buffer spring 323, so that the molded mounting seat 321 and the buffer spring 323 are fixed to the side of the moving plate 313 facing away from the support plate 2 through the limit rod 322, that is, the moving plate 313 is sandwiched between the buffer spring 323 and the slider 312. Since the slider 312 is slidably connected to the slide rail 311, there is a certain gap between the connection surfaces. When the moving plate 313 is subjected to an impact force from the molded mounting seat 321 to the buffer spring 323, the slider 312 has a certain fluctuation along the force direction. At this time, the moving plate 313 squeezes the buffer spring 323 and receives a reaction force from the buffer spring 323 to achieve a buffering effect, thereby extending the service life of the sliding device 31.

[0033] The material picking mechanism 40 includes a pallet moving device 41 disposed on the bracket 1, and a pallet main body 42 disposed on the pallet moving device 41. The pallet moving device 41 can be driven by a cylinder or other driving device, and the extension direction of the pallet moving device 41 is perpendicular to the extension direction of the guide rail 311. When the processed bushing is transported back to the pre-flanging mechanism 10 through the sliding device 31, the upper pre-flanging molding unit 11 fixes the bushing from the sliding device 31, and at the same time, the pallet moving device 41 drives the pallet main body 42 to move above the lower pre-flanging molding unit 12 to catch the fallen molded bushing. The pallet main body 42 is slightly tilted along the length direction to ensure that the processed bushing can slide along the pallet main body 42 into the storage frame.

[0034] In summary, when the flanging machine is used to process the bushing, the bushing to be processed is installed on the upper pre-pressing forming mold 112 of the upper pre-flanging forming unit 11, and the upper pre-pressing forming unit 11 cooperates with the lower pre-flanging forming unit 12 to pre-press one end of the bushing to 45°. During the forming process, the bushing is accommodated in the forming mounting seat 321. After forming, the transmission mechanism 30 transmits the pre-formed bushing to the forming mechanism 20 for stamping and flanging at 90°. After processing, the transmission mechanism 30 transmits the formed bushing back to the pre-flanging mechanism 10, and the upper pre-flanging forming unit 11 drives the unprocessed bushing to be inserted into the forming mounting seat 321 to be pushed down by the formed bushing. At the same time, the tray moving device 41 drives the tray body 42 forward to catch the fallen formed bushing. Then the tray moving device 41 drives the tray body 42 to retract and transmit the formed bushing.

[0035] Compared with the prior art, the utility model provides a bushing flanging machine with a buffer structure, which includes a pre-flanging mechanism 10, a forming mechanism 20 arranged on one side of the pre-flanging mechanism 10, a transmission mechanism 30 arranged between the pre-flanging mechanism 10 and the forming mechanism 20, and a material taking mechanism 40 arranged on one side of the pre-flanging mechanism 10. The pre-flanging mechanism 10 includes an upper pre-flanging forming unit 11 arranged on the bracket 1, a lower pre-flanging forming unit 12 arranged on the bracket 1, and a first buffer mechanism 13 sleeved on the upper pre-flanging forming unit 11. The upper pre-flanging forming unit 11 includes an upper driving cylinder 111 arranged on the bracket 1, and an upper pre-pressing forming mold 112 fixedly connected to the upper driving cylinder 111. The upper pre-pressing forming mold 112 includes a connecting plate 1121 fixedly connected to the upper driving cylinder 111, and a pre-pressing column 1122 arranged at one end of the connecting plate 1121. The first buffer mechanism 13 includes a limiting ring 131 sleeved on the preload column 1122, and a plurality of elastic components 132 arranged between the limiting ring 131 and the connecting plate 1122. The transmission mechanism 30 includes a sliding device 31 arranged on the support plate 2, and a second buffer mechanism 32 arranged on the sliding device 31. The sliding device 31 includes two guide rails 311 arranged on both sides of the support plate 2, at least two sliders 312 respectively slidably connected to the guide rails 311, and a moving plate 313 fixedly arranged on the slider 312. The second buffer mechanism 32 includes a molded mounting seat 321 arranged on the side of the moving plate 313 facing the support plate 2, a plurality of limiting rods 322 arranged on the side of the moving plate 313 facing away from the support plate 2 and connected to the slider 312, and a plurality of buffer springs 323 respectively arranged on the limiting rods 322. The moving plate 313 is sandwiched between the buffer spring 323 and the slider 312, so the second buffer mechanism 32 can move back and forth between the pre-flanging mechanism 10 and the forming mechanism 20 along with the sliding device 31. The arrangement of the first buffer mechanism 13 and the second buffer mechanism 32 enables the pre-flanging mechanism 10 and the forming mechanism 20 to obtain buffer unloading force during operation, thereby ensuring the reliability of the bushing flanging and improving the service life of the flanging machine.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modification, equivalent replacement or improvement within the spirit of the present invention are included in the scope of the claims of the present invention.

Claims

1. A bushing flanging machine with a buffer structure, comprising a bracket and a support plate arranged on the bracket, characterized in that: The bushing flanging machine with a buffer structure comprises a pre-flanging mechanism arranged on the bracket, a forming mechanism arranged on one side of the pre-flanging mechanism, a transmission mechanism arranged between the pre-flanging mechanism and the forming mechanism, and a material taking mechanism arranged on one side of the pre-flanging mechanism, the pre-flanging mechanism comprises an upper pre-flanging forming unit arranged on the bracket, a lower pre-flanging forming unit arranged on the bracket, and a first buffer mechanism sleeved on the upper pre-flanging forming unit, the upper pre-flanging forming unit comprises an upper driving cylinder arranged on the bracket, and an upper pre-pressing forming mold fixedly connected to the upper driving cylinder, the upper pre-pressing forming mold comprises a connecting disk fixedly connected to the upper driving cylinder, and a pre-pressing column arranged at one end of the connecting disk, the first buffer mechanism comprises a limiting ring sleeved on the pre-pressing column, and a plurality of elastic components arranged between the limiting ring and the connecting disk, the limiting circle is also sleeved on the corresponding arrangement on the connecting disk 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has a round shank to contact with said linking rod. said linking rod has a round shank to contact with said linking rod.

2. A bushing flanging machine with a buffer structure as claimed in claim 1, characterized in that: The lower pre-flanging forming unit comprises a lower driving cylinder arranged on the bracket, and a lower pre-pressing forming die arranged on the lower driving cylinder.

3. A bushing flanging machine with a buffer structure as claimed in claim 2, characterized in that: The lower pre-pressing forming mold includes a lower pre-pressing mold body, a lower pre-pressing forming core rod arranged at the free end of the lower pre-pressing mold body, and the lower pre-pressing mold body is chamfered at one end of the lower pre-pressing forming core rod and the inclination angle of the chamfer is 45 degrees.

4. A bushing flanging machine with a buffer structure as claimed in claim 1, characterized in that: The forming mechanism includes a forming lifting drive device fixedly connected to the bracket, a lifting plate arranged on the forming lifting drive device, a flanging forming mold arranged on the lifting plate, and a pressing head arranged opposite to the flanging forming mold.

5. A bushing flanging machine with a buffer structure as claimed in claim 4, characterized in that: The molding lifting drive device includes a main drive unit and an auxiliary drive unit arranged on the side of the main drive unit. The main drive unit and the auxiliary drive unit are cylinders of different specifications.

6. A bushing flanging machine with a buffer structure as claimed in claim 1, characterized in that: The material taking mechanism comprises a pallet moving device arranged on the bracket and a pallet main body arranged on the pallet moving device.

7. A bushing flanging machine with a buffer structure as claimed in claim 6, characterized in that: The tray body is arranged obliquely along its length direction.

8. A bushing flanging machine with a buffer structure as claimed in claim 1, characterized in that: The buffer spring is sleeved on the limiting rod, and one end of the limiting rod is fixedly connected to the forming mounting seat.

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