A feeding structure and bearing production line

Abstract

The application discloses a feeding structure and a bearing production line, and belongs to the technical field of bearing production. The feeding structure comprises a stacking platform, a discharging platform, a discharging assembly and a feeding assembly. The stacking platform is used for stacking steel pipes. The discharging assembly is used for laying the steel pipes on the discharging platform to avoid stacking of the steel pipes on the discharging platform. The feeding assembly is used for feeding the steel pipes on the discharging platform into a feeding assembly one by one. The feeding structure disclosed by the application utilizes a mechanical structure to move the steel pipes onto the feeding assembly one by one. Through cooperation of the discharging assembly, the discharging platform and the feeding assembly, on one hand, the steel pipes can be stably fed into the feeding assembly, thereby ensuring continuity of work of a bearing machining device; on the other hand, since the steel pipes are laid on the discharging platform, the feeding assembly can ensure that only one steel pipe is fed into the feeding assembly at a time when feeding is performed, thereby ensuring that the bearing machining device can always work normally, and thus work efficiency is prevented from being affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bearing production, in particular to a feeding structure and a bearing production line. BACKGROUND

[0002] As an important support and transmission component in the mechanical field, bearings have different requirements according to their working conditions, and sealed bearings are a common form of bearings that can adapt to various complex working conditions.

[0003] In the bearing assembly line operation, the steel pipe is usually cut into a metal ring first, and then a series of processing is performed on the metal ring to obtain qualified bearings.

[0004] The cutting of the steel pipe is usually carried out in professional equipment, and the existing feeding is usually carried out manually, that is, when a steel pipe is about to be cut, a worker puts another steel pipe into the feeding channel of the equipment. Because manual operation has uncertainty, when the operator fails to successfully and timely put the steel pipe into the equipment, it will lead to discontinuous production of the equipment, thereby reducing the production efficiency. SUMMARY

[0005] The present application discloses a feeding structure and a bearing production line to improve the above problems.

[0006] The technical scheme adopted by the present application to solve the above technical problems is:

[0007] Based on the above purpose, the present application discloses a feeding structure, comprising:

[0008] A stacking platform;

[0009] A discharging platform, the discharging platform is arranged adjacent to the stacking platform, and the steel pipe on the stacking platform can enter the discharging platform along the width direction of the discharging platform;

[0010] A discharging assembly, the discharging assembly is installed on the discharging platform, and the discharging assembly allows the steel pipe to be laid in a single layer on the discharging platform

[0011] A feeding assembly, the feeding assembly comprises at least two rollers, each roller is arranged at intervals along the length direction of the discharging platform; and

[0012] A feeding assembly, the feeding assembly comprises a feeding block, the feeding block is provided with a first inclined surface, and when the feeding block moves upward, the first inclined surface can be used to feed the steel pipe into the feeding assembly.

[0013] Optionally, the feeding block is further provided with a protrusion and a second slope, the first slope and the second slope are arranged along the length direction of the feeding block, the protrusion is located between the first slope and the second slope, the first slope is located at one end of the feeding block towards the feeding assembly, the second slope is located at one end of the feeding block towards the discharging platform, and the first slope, the second slope and the protrusion are all located at the top of the feeding block.

[0014] The discharging platform is arranged obliquely, the discharging platform is inclined towards the feeding assembly, the discharging platform makes the steel pipes have a tendency to roll towards the feeding assembly, one end of the discharging platform towards the feeding assembly is provided with a blocking column, and one end of the discharging platform towards the feeding assembly is also provided with a gap, the feeding block is located at the gap, and the second slope and the gap have an overlapping part along the projection of the length direction of the discharging platform.

[0015] When the feeding block moves upwards to a first position, the steel pipe on the first slope enters the feeding assembly along the first slope, when the feeding block moves downwards to a second position, the steel pipe on the second slope rolls over the protrusion to enter the first slope, when the feeding block moves upwards to a third position, the feeding block can push one steel pipe on the discharging platform to the second slope, and the third position is located between the first position and the second position.

[0016] Optionally, the feeding block is provided with a sliding groove, the sliding groove is arranged along the height direction of the feeding block, and the sliding groove is located at the side wall of the feeding block.

[0017] The feeding assembly further comprises a pressing block, a first end of the pressing block is in sliding fit with the sliding groove, and a second end of the pressing block extends above the discharging platform.

[0018] Optionally, the feeding assembly further comprises a first elastic member, two ends of the first elastic member are connected with the feeding block and the pressing block respectively, and the first elastic member makes the pressing block have a tendency to move downwards relative to the feeding block.

[0019] Optionally, the feeding assembly further comprises a first control block, a second control block and a second elastic member, the first control block and the second control block are both in sliding connection with the discharging platform, the moving direction of the first control block is parallel to the moving direction of the feeding block, the moving direction of the second control block is parallel to the discharging platform, and the first control block and the second control block are matched with each other so that the first control block can push the second control block to move towards the feeding assembly when the first control block moves upwards, the second control block is located above the blocking column, and when the second inclined surface moves to be parallel to or higher than the blocking column, the second control block can push the steel pipe between the feeding block and the pressing block onto the second inclined surface, and the two ends of the second elastic member are connected with the discharging platform and the second control block respectively, and the second elastic member makes the second control block have a tendency to move away from the feeding assembly.

[0020] Optionally, the pressing block is provided with a clearance slot at the position corresponding to the second control block, and the clearance slot is arranged along the length direction of the discharging platform.

[0021] Optionally, the feeding assembly further comprises a first rack, a second rack and a gear, the gear is in rotational connection with the discharging platform, the first rack is installed on the first control block, the second rack is installed on the second control block, and the first rack and the second rack are both in engagement with the gear.

[0022] Optionally, one end of the feeding block towards the discharging platform is provided with an extension part for cooperation with the first control block.

[0023] Optionally, the discharging assembly comprises a first discharging plate, a second discharging plate, a third discharging plate and a third elastic member, the first discharging plate is installed on one end of the discharging platform towards the stacking platform, the first discharging plate is arranged obliquely with the discharging platform, the minimum distance between the first discharging plate and the discharging platform is greater than the diameter of the steel pipe and less than twice the diameter of the steel pipe, the second discharging plate is in sliding connection with the discharging platform, the second discharging plate can move along the height direction of the discharging platform, the two ends of the third elastic member are connected with the discharging platform and the second discharging plate respectively, the third elastic member makes the second discharging plate have a tendency to move towards the discharging platform, the third discharging plate is located above the discharging platform, and the distance between the third discharging plate and the discharging platform is equal to the structure of the steel pipe.

[0024] Based on the above purpose, the application discloses a bearing production line, which comprises a bearing processing device and a feeding structure as described above, and the output end of the feeding assembly is in communication with the feeding end of the bearing processing device.

[0025] Compared with the prior art, the present application has the beneficial effects of:

[0026] The application discloses a feeding structure, which comprises a stacking platform, a discharging platform, a discharging assembly and a feeding assembly. The stacking platform is used for stacking steel pipes, and the steel pipes can be stacked and stored on the stacking platform. The discharging assembly is used for laying the steel pipes on the stacking platform on the discharging platform to avoid stacking of the steel pipes on the discharging platform. The feeding assembly is used for feeding the steel pipes on the discharging platform into the feeding assembly one by one.

[0027] The feeding structure disclosed by the application utilizes a mechanical structure to move the steel pipes onto the feeding assembly one by one, thereby reducing the working strength of the operator. Through cooperation of the discharging assembly, the discharging platform and the feeding assembly, on the one hand, the steel pipes can be stably fed into the feeding assembly, thereby ensuring continuity of work of the bearing machining device; on the other hand, since the steel pipes are laid on the discharging platform, the feeding assembly can ensure that only one steel pipe is fed into the feeding assembly at a time during feeding, thereby ensuring that the bearing machining device can always work normally, and thereby avoiding influence on work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 A front view of the feeding structure disclosed by the embodiment of the application is shown;

[0029] Figure 2 A rear view of the feeding structure disclosed by the embodiment of the application is shown;

[0030] Figure 3 A cooperation diagram of the discharging platform, the discharging assembly and the feeding assembly disclosed by the embodiment of the application is shown;

[0031] Figure 4 A diagram of the feeding assembly disclosed by the embodiment of the application is shown;

[0032] Figure 5 A diagram of the feeding block disclosed by the embodiment of the application is shown.

[0033] In the drawings:

[0034] 100 - stacking platform, 200 - discharging platform, 210 - notch, 220 - blocking column, 300 - discharging assembly, 310 - first discharging plate, 320 - second discharging plate, 330 - third discharging plate, 340 - third elastic piece, 400 - feeding assembly, 410 - roller, 500 - feeding assembly, 510 - feeding block, 511 - chute, 512 - extension, 513 - first inclined surface, 514 - second inclined surface, 515 - protrusion, 520 - pressing block, 530 - first elastic piece, 540 - first control block, 550 - second control block, 560 - second elastic piece, 570 - first rack, 580 - second rack, 590 - gear, 600 - steel pipe. DETAILED DESCRIPTION

[0035] The application will be further described in details below with specific examples and in conjunction with the drawings. EMBODIMENT

[0036] Referring to Figures 1 to 5 , the embodiment of the application discloses a feeding structure, which comprises a stacking platform 100, a discharging platform 200, a discharging assembly 300 and a feeding assembly 500. The stacking platform 100 is used for stacking steel pipes 600, the steel pipes 600 can be stacked and stored on the stacking platform 100, the discharging assembly 300 is used for laying the steel pipes 600 on the stacking platform 100 on the discharging platform 200, so as to avoid the steel pipes 600 from being stacked on the discharging platform 200. The feeding assembly 500 is used for feeding the steel pipes 600 on the discharging platform 200 into the feeding assembly 400 one by one.

[0037] The feeding structure disclosed by the embodiment utilizes a mechanical structure to move the steel pipes 600 onto the feeding assembly 400 one by one, which reduces the working strength of the operator. Through the cooperation of the discharging assembly 300, the discharging platform 200 and the feeding assembly 500, on the one hand, the steel pipes 600 can be stably fed into the feeding assembly 400, so as to ensure the continuity of the bearing machining device, on the other hand, since the steel pipes 600 are laid flat on the discharging platform 200, the feeding assembly 500 can ensure that only one steel pipe 600 is fed into the feeding assembly 400 at a time, so as to ensure that the bearing machining device can always work normally, thereby avoiding the influence on the working efficiency.

[0038] Referring to Figure 1 and Figure 2 , the stacking platform 100 is used for arranging and stacking the steel pipes 600, the steel pipes 600 to be used are first stacked on the stacking platform 100, the side plates on both sides of the stacking platform 100 can constrain the position of the steel pipes 600, so that the steel pipes 600 are stacked in the middle position of the stacking platform 100, and then the position is just suitable when entering the discharging platform 200 and the feeding assembly 400.

[0039] The discharging platform 200 is arranged adjacent to the stacking platform, and the steel pipes 600 stacked on the stacking platform 100 can enter the discharging platform 200 along the width direction of the discharging platform 200. The discharging platform 200 is arranged obliquely, and the end thereof facing the stacking platform 100 is higher, so that the steel pipes 600 can move towards the feeding assembly 400 under the action of gravity after entering the discharging platform 200. Side plates for limiting the steel pipes 600 are arranged on both sides of the discharging platform 200. A gap 210 is arranged at the end of the discharging platform 200 facing the feeding assembly 400, and a blocking column 220 is arranged at the end of the discharging platform 200 facing the feeding assembly 400. The blocking column 220 is located at the side of the gap 210 away from the feeding assembly 400, and the steel pipes 600 can be limited by the blocking column 220, so as to avoid the steel pipes 600 from rolling into the feeding assembly 400 without limitation. Through cooperation of the blocking column 220 and the feeding assembly 500, the steel pipes 600 can enter the feeding assembly 400 one by one and controllably.

[0040] The discharging assembly 300 is installed on the discharging platform 200, and the discharging assembly 300 is used for making the steel pipes 600 on the stacking platform 100 enter the discharging platform 200 one by one, and ensuring that the steel pipes 600 on the discharging platform 200 are always arranged in a single row, so as to ensure that the feeding assembly 500 will send only one steel pipe 600 into the feeding assembly 400 at a time when working.

[0041] Specifically, referring to Figures 1 to 3The discharging assembly 300 comprises a first discharging plate 310, a second discharging plate 320, a third discharging plate 330 and a third elastic member 340. The first discharging plate 310 is installed at one end of the discharging platform 200 facing the stacking platform 100, and the first discharging plate 310 is arranged obliquely with the discharging platform 200. The minimum distance between the first discharging plate 310 and the discharging platform 200 is greater than the diameter of the steel pipe 600 and less than twice the diameter of the steel pipe 600. The first discharging plate 310 is arranged along the width direction of the discharging platform 200. The first discharging plate 310 can be as wide as the discharging platform 200, or one first discharging plate 310 can be arranged on each side of the discharging platform 200 to limit the steel pipe 600 from both ends. The second discharging plate 320 is connected to the discharging platform 200 in a sliding manner, and the second discharging plate 320 can move along the height direction of the discharging platform 200. The two ends of the third elastic member 340 are connected to the discharging platform 200 and the second discharging plate 320 respectively, and the third elastic member 340 causes the second discharging plate 320 to have a tendency to move towards the discharging platform 200. The third discharging plate 330 is located above the discharging platform 200, and the distance between the third discharging plate 330 and the discharging platform 200 is equal to the structure of the steel pipe 600. Although the steel pipe 600 is sequentially arranged on the discharging platform 200 one by one, the front steel pipe 600 is also pressed by the rear steel pipe 600, which may cause the steel pipe 600 to protrude upwards 515, and thus the steel pipe 600 may partially overlap. By the second discharging plate 320 pressing the steel pipe 600 through the third elastic member 340, and then limiting the steel pipe 600 through the third discharging plate 330, it can be ensured that the steel pipe 600 is arranged in a single row when reaching the gap 210.

[0042] The feeding assembly 400 comprises at least two rollers 410, and each roller 410 is arranged along the length direction of the discharging platform 200. When the steel pipe 600 is sent to the roller 410 by the feeding assembly 500, the rotating roller 410 sends the steel pipe 600 into the rear bearing machining device.

[0043] The feeding assembly 500 is mainly used to sequentially send the steel pipe 600 on the discharging platform 200 into the feeding assembly 400, and to ensure that only one steel pipe 600 is sent into the feeding assembly 400 each time.

[0044] Specifically, referring to Figures 3 to 5 The feeding assembly 500 comprises a feeding block 510, a pressing block 520, a first elastic member 530, a first control block 540, a second control block 550, a second elastic member 560, a first rack 570, a second rack 580 and a gear 590.

[0045] The loading block 510 is in sliding fit with the discharging platform 200, and the loading block 510 can move relative to the discharging platform 200 along the height direction of the discharging platform 200. The loading block 510 is provided with a first inclined surface 513, a second inclined surface 514 and a protrusion 515. The first inclined surface 513 and the second inclined surface 514 are arranged at intervals along the length direction of the loading block 510, and the first inclined surface 513 and the second inclined surface 514 have the same inclination direction, and the first inclined surface 513 and the second inclined surface 514 are both inclined towards the feeding assembly 400, so that the steel pipe 600 has a rolling trend towards the feeding assembly 400 when entering the first inclined surface 513 or the second inclined surface 514. The protrusion 515 is located between the first inclined surface 513 and the second inclined surface 514, the first inclined surface 513 is located at one end of the loading block 510 towards the feeding assembly 400, and the second inclined surface 514 is located at one end of the loading block 510 towards the discharging platform 200. The first inclined surface 513, the second inclined surface 514 and the protrusion 515 are all located at the top of the loading block 510. The position of the loading block 510 corresponds to the position of the notch 210 on the discharging platform 200, that is, when the loading block 510 rises, the loading block 510 can move to the position of the notch 210 of the discharging platform 200, and the second inclined surface 514 and the projection of the notch 210 along the length direction of the discharging platform 200 have an overlapping part, so that the loading block 510 can take the material from the discharging platform 200 by using the second inclined surface 514.

[0046] The loading block 510 has three preset positions. When the loading block 510 moves upwards, it can move to the first position, at which time the steel pipe 600 on the first inclined surface 513 enters the feeding assembly 400 along the first inclined surface 513. When the loading block 510 moves downwards, it can move to the second position, at which time the protrusion 515 of the loading block 510 is lower than the discharging platform 200, and the steel pipe 600 that has rolled along the discharging platform 200 and turned over the blocking column 220 can enter the first inclined surface 513 by turning over the protrusion 515. When the loading block 510 moves upwards again, the loading block 510 can move upwards to the third position, at which time the loading block 510 can drive the steel pipe 600 located on the inner side of the blocking column 220 to move upwards to the top of the blocking column 220, and turn over the blocking column 220 to enter the second inclined surface 514 under the pushing of the second inclined surface 514. The third position is located between the first position and the second position.

[0047] Referring to Figure 4 and Figure 5The feeding block 510 is provided with a chute 511, the chute 511 is arranged along the height direction of the feeding block 510, and the chute 511 is located on the side wall of the feeding block 510. The first end of the pressing block 520 is in sliding fit with the chute 511, the second end of the pressing block 520 extends above the discharging platform 200, and the second end of the pressing block 520 extends to the range of the discharging platform 200. The two ends of the first elastic member 530 are connected with the feeding block 510 and the pressing block 520 respectively, and the first elastic member 530 makes the pressing block 520 have a downward moving trend relative to the feeding block 510. When the feeding block 510 moves downward, the pressing block 520 can be used to press the steel pipe 600 close to the position of the blocking column 220, so as to avoid the steel pipe 600 from stacking at the position, thereby ensuring that the feeding block 510 only takes away one steel pipe 600 each time. When the feeding block 510 moves upward, the pressing block 520 does not move first, when the first inclined surface 513 abuts against the bottom of the steel pipe 600, the first end of the pressing block 520 also abuts against the bottom of the chute 511, at this time, the feeding block 510 and the pressing block 520 form a clamping on the steel pipe 600 and drive the steel pipe 600 to rise, which can further ensure the accuracy of the feeding block 510 in taking the steel pipe 600 and ensure that only one steel pipe 600 is taken away.

[0048] The first control block 540 and the second control block 550 are used to push the steel pipe 600 between the feeding block 510 and the pressing block 520 out, so that the steel pipe 600 jumps over the blocking column 220 and falls onto the second inclined surface 514. Specifically, the first control block 540 and the second control block 550 are both in sliding connection with the discharging platform 200. The moving direction of the first control block 540 is parallel to the moving direction of the feeding block 510, the moving direction of the second control block 550 is parallel to the discharging platform 200, and the first control block 540 and the second control block 550 cooperate with each other to enable the first control block 540 to move upward and push the second control block 550 to move toward the feeding assembly 400. The second control block 550 is located above the blocking column 220, and when the second inclined surface 514 moves to be parallel to or higher than the blocking column 220, the second control block 550 can push the steel pipe 600 between the feeding block 510 and the pressing block 520 onto the second inclined surface 514. The two ends of the second elastic member 560 are connected with the discharging platform 200 and the second control block 550 respectively, and the second elastic member 560 makes the second control block 550 have a moving trend in the direction away from the feeding assembly 400.

[0049] The cooperation mode of the first control block 540 and the second control block 550 is as follows: in the embodiment, since the second control block 550 needs to move a long distance, the first rack 570, the second rack 580 and the gear 590 can be used to realize the cooperation of the first control block 540 and the second control block 550. Specifically, the gear 590 is rotationally connected with the discharging platform 200, the first rack 570 is installed on the first control block 540, the second rack 580 is installed on the second control block 550, and the first rack 570 and the second rack 580 are engaged with the gear 590. In addition, the displacement slot is arranged at the position corresponding to the second control block 550 of the pressing block 520, and the displacement slot is arranged along the length direction of the discharging platform 200. In this way, the work of the pressing block 520 and the second control block 550 can be avoided from affecting each other.

[0050] Since the moving directions of the first control block 540 and the second control block 550 are not parallel, in order to avoid the work of the first control block 540 and the control block from affecting each other, the first control block 540 can be arranged on the side of the gear 590 away from the blocking column 220. Based on this, the embodiment can further be provided with the extension 512 for cooperating with the first control block 540 at one end of the discharging platform 200, and the extension 512 is used to push the first control block 540 to move, so as to avoid the collision between the feeding block 510 and the discharging platform 200.

[0051] The embodiment of the application discloses a bearing production line, which comprises a bearing processing device and the above-mentioned feeding structure, and the output end of the feeding assembly 400 is in communication with the feeding end of the bearing processing device.

[0052] The bearing production line disclosed by the embodiment uses a mechanical structure to move the steel pipes 600 to the feeding assembly 400 one by one, thereby reducing the working strength of the operator. Through the cooperation of the discharging assembly 300, the discharging platform 200 and the feeding assembly 500, on the one hand, the steel pipes 600 can be stably fed into the feeding assembly 400, thereby ensuring the continuity of the work of the bearing processing device; on the other hand, since the steel pipes 600 are all laid flat on the discharging platform 200, the feeding assembly 500 can ensure that only one steel pipe 600 is fed into the feeding assembly 400 at a time, thereby ensuring that the bearing processing device can always work normally, and the work efficiency is not affected.

[0053] The above only describes the preferred embodiments of the application and is not used to limit the application. For those skilled in the art, the application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A loading structure, characterized by, The application relates to a steel pipe stacking and feeding device. The device comprises a stacking platform, a discharging platform adjacent to the stacking platform, a discharging assembly installed on the discharging platform, a feeding assembly comprising at least two rollers, and a feeding assembly comprising a feeding block. The discharging assembly enables the steel pipes to be laid on the discharging platform in a single layer. The feeding block is provided with a first inclined surface, a protrusion and a second inclined surface. The first inclined surface and the second inclined surface are arranged along the length direction of the feeding block. The first inclined surface is located at one end of the feeding block towards the feeding assembly. The second inclined surface is located at the other end of the feeding block towards the discharging platform. The first inclined surface, the second inclined surface and the protrusion are located at the top of the feeding block. The discharging platform is inclined towards the feeding assembly. The discharging platform is provided with a blocking column at one end towards the feeding assembly. The discharging platform is provided with a gap at one end towards the feeding assembly. The feeding block is located in the gap. The projection of the second inclined surface and the gap along the length direction of the discharging platform has an overlapping part. When the feeding block moves upwards to a first position, the steel pipe on the first inclined surface enters the feeding assembly along the first inclined surface. When the feeding block moves downwards to a second position, the steel pipe on the second inclined surface rolls over the protrusion and enters the first inclined surface. When the feeding block moves upwards to a third position between the first position and the second position, the feeding block can push one steel pipe on the discharging platform to the second inclined surface. The feeding block is provided with a sliding groove arranged along the height direction of the feeding block and located in the side wall of the feeding block. The feeding assembly further comprises a pressing block. The first end of the pressing block is in sliding connection with the sliding groove. The second end of the pressing block extends above the discharging platform. The feeding assembly further comprises a first elastic member. The two ends of the first elastic member are connected with the feeding block and the pressing block respectively. The first elastic member enables the pressing block to move downwards relative to the feeding block. The feeding assembly further comprises a first control block, a second control block and a second elastic member, the first control block and the second control block are both in sliding connection with the discharging platform, the moving direction of the first control block is parallel to the moving direction of the feeding block, the moving direction of the second control block is parallel to the discharging platform, and the first control block and the second control block are mutually matched so that the first control block can push the second control block to move towards the feeding assembly when the first control block moves upwards, the second control block is located above the blocking column, and when the second inclined surface moves to be parallel to or higher than the blocking column, the second control block can push the steel pipe between the feeding block and the pressing block onto the second inclined surface, the two ends of the second elastic member are connected with the discharging platform and the second control block respectively, and the second elastic member makes the second control block have a tendency to move away from the feeding assembly.

2. The feeding structure according to claim 1, wherein, The pressing block is provided with a clearance slot at the position corresponding to the second control block, and the clearance slot is arranged along the length direction of the discharging platform.

3. The feeding structure according to claim 1, wherein, The feeding assembly further comprises a first rack, a second rack and a gear, the gear is in rotational connection with the discharging platform, the first rack is installed on the first control block, the second rack is installed on the second control block, and the first rack and the second rack are both in engagement with the gear.

4. The feeding structure according to claim 3, wherein, The feeding block is provided with an extension part at one end thereof towards the discharging platform, and the extension part is used for cooperation with the first control block.

5. The feeding structure according to any one of claims 1 to 4, characterized in that, The discharging assembly comprises a first discharging plate, a second discharging plate, a third discharging plate and a third elastic member, the first discharging plate is installed on one end of the discharging platform towards the stacking platform, the first discharging plate is arranged obliquely to the discharging platform, the minimum distance between the first discharging plate and the discharging platform is greater than the diameter of the steel pipe and less than twice the diameter of the steel pipe; the second discharging plate is in sliding connection with the discharging platform, the second discharging plate can move along the height direction of the discharging platform, the two ends of the third elastic member are connected with the discharging platform and the second discharging plate respectively, the third elastic member makes the second discharging plate have a tendency to move towards the discharging platform, and the third discharging plate is located above the discharging platform.

6. A bearing production line, characterized in that, The bearing processing device and the feeding structure as claimed in any one of claims 1 to 5 are comprised, and the output end of the feeding assembly is in communication with the feeding end of the bearing processing device.

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