Automatic feeding device for punch forming of bearing outer ring

Abstract

The utility model relates to an automatic feeding device for punch forming of a bearing outer ring, which is used for finishing a second rough machining step sequence and is designed aiming at the situation that a shaft side outer ring manufactured by sheet punching needs to be punched for multiple times and formed step by step. The automatic feeding device comprises an automatic arrangement output mechanism, an automatic transfer mechanism, a punching machine and a directional air blowing pipe, an output point of the automatic output mechanism is set as a point A, a working point of the punching machine is set as a point B, and bright spots A and B are on the same horizontal plane; the automatic transfer mechanism is parallel to a vertical plane formed by points A and B; the directional air blowing pipe is arranged between the automatic output mechanism and the punching machine, and the air blowing angle is aligned with the position of an upper die plate when the punching machine is in a preparation state.

Description

Technical Field

[0001] The utility model relates to the field of bearing manufacturing, in particular to an automatic feeding device for stamping and forming a bearing outer ring. Background Art

[0002] The specific production process of bearings: raw materials, inner and outer ring processing, steel ball or roller processing, cage (stamping or solid) processing, bearing assembly, bearing finished product. The traditional ring processing process varies depending on the raw material or blank form. The entire inner and outer ring processing process is: bar or tube material (some bar materials need to be forged and annealed, normalized), turning, heat treatment, grinding, fine lapping or polishing, final inspection of parts, rust prevention, and storage. The outer ring blank of the bearing stamped out of the sheet needs further stamping before it can be Figure 2 The state shown in a is transformed into Figure 2 b shows the state. For this purpose, it is necessary to design an automatic loading device and to ensure normal material stripping by setting a mechanism on the punching machine to change the direction of material stripping. Summary of the invention

[0003] The utility model is a bearing outer ring punching forming automatic feeding device designed for completing the second rough processing step sequence, aiming at the shaft side outer ring produced by sheet punching which needs multiple punchings and gradual forming.

[0004] An automatic feeding device for stamping and forming a bearing outer ring, comprising an automatic output arrangement mechanism, an automatic transfer mechanism, a stamping machine and a directional air blowing pipe;

[0005] Assume that the output point of the automatic output mechanism is point A, and the working point of the punching machine is point B, then points AB are on the same horizontal plane;

[0006] The automatic transfer mechanism is parallel to the vertical plane formed by points AB;

[0007] The directional air blowing pipe is arranged between the automatic output mechanism and the punching machine, and the air blowing angle is aligned with the position of the upper template when the punching machine is in the ready state.

[0008] The upstream device will Figure 2 The bearing outer ring blank a shown is automatically introduced into the automatic output arrangement mechanism, and is output to the output point one at a time in the automatic output arrangement mechanism. The bearing outer ring blank a is sleeved on the lower template of the punching machine through the 3-degree-of-freedom automatic transfer mechanism. The automatic transfer mechanism is reset, and the punching machine completes the punching, and the bearing outer ring blank a is converted into the finished product rough bearing outer ring b of the device. When the punching machine is reset, the rough bearing outer ring b is acted upon by the stripping plate and falls off from the upper template. During the falling process, the directional air blowing pipe changes the landing point to the blanking frame.

[0009] Preferably, the automatic output mechanism comprises: an arrangement track, which is used to arrange the outer ring blanks of the bearings, and is formed into a U-shaped track with an upward opening, a tongue plate is fixed on the top surface, and the output port is connected to the screening track and is 90° to the central axis of the screening track;

[0010] The screening track comprises a base plate, on which two left cover plates and one right cover plate are arranged, and between the two left cover plates, an output port of the arrangement track is arranged;

[0011] The left cover plate, the right cover plate and the base plate form a C-shaped track, and the push plate is inserted into the track;

[0012] An output point is set at one end of the base plate, and a push plate is set at the other end to control the cylinder;

[0013] The telescopic end of the push plate control cylinder is fixedly connected to one end of the push plate;

[0014] The other end of the push plate is provided with a V-shaped opening.

[0015] Preferably, the arrangement track forms an angle between 30-50° with the horizontal plane;

[0016] A pair of end point limiting blocks are arranged on the base plate, and the adjacent surfaces of the end point limiting blocks and the push plate are arc surfaces.

[0017] The end point limiting block spacing is less than or equal to 2 / 3 of the bearing outer ring blank a, which can ensure that the clamping cylinder of the automatic transfer mechanism can work normally. The arrangement track is set at the midpoint of the right cover plate, that is, the two left cover plates have the same length.

[0018] Preferably, a shaped metal strip is provided on the right cover plate of the automatic output mechanism, and the directional air blowing tube is fixed to the shaped metal strip, and the blowing angle of the directional air blowing tube is fixed by the metal strip. The directional air blowing tube uses a joint tube to facilitate angle adjustment, but the joint tube cannot withstand the reaction force generated by the airflow, so a shaped metal strip is required to fix the directional air blowing tube on the shaped metal strip, and the shaped metal strip is fixed in a place selected according to the actual layout.

[0019] Preferably, the automatic transfer mechanism comprises: a base plate, a slide rail is arranged on the base plate, and a transfer control cylinder is arranged at one end of the base plate;

[0020] A slider is arranged on the slide rail, and the slider is controlled to move in translation by a transfer control cylinder. A second slide rail is arranged on the surface adjacent to the slider and the punching machine, and the axis of the second slide rail is perpendicular to the horizontal plane.

[0021] The telescopic end of the vertical control cylinder is fixedly connected to the top surface of the slide rail, a second slider is fixed on the cylinder body adjacent to the second slide rail, the second slider cooperates with the second slide rail, and a clamping cylinder is fixed on the cylinder body;

[0022] The clamping jaw cylinder is used to clamp the bearing outer ring blank at the output point of the automatic output mechanism.

[0023] Preferably, a circular arc groove is provided on the clamping jaw of the clamping jaw cylinder, and the circular arc groove matches the size of the bearing outer ring blank.

[0024] The transfer control cylinder controls the left and right translation of the clamping cylinder, and the vertical control cylinder controls the up and down translation of the clamping cylinder. The clamping cylinder is used to horizontally clamp the outer periphery of the bearing outer ring blank a. When the clamping cylinder clamps the outer periphery of the bearing outer ring blank a, the bearing outer ring blank a is transferred from the output point to the lower die of the stamping machine.

[0025] Preferably, a light curtain sensor is also arranged on the periphery of the punching machine, wherein the light curtain covers the horizontal plane of the lower die of the punching machine, and the light curtain plane is higher than the highest point of the lower die. The light curtain sensor can avoid the failure of the directional air blowing tube. When the rough bearing outer ring b falls off from the upper die plate, if any accident occurs and causes the rough bearing outer ring b to fall on the lower die plate, the light curtain sensor will be triggered, and the whole device will stop working and trigger an alarm signal to notify the staff to handle it.

[0026] The beneficial effects of the utility model are that it can automatically import and arrange bearing outer ring blanks from upstream equipment, automatically load and stamp them in sequence, and through reasonable arrangement and transfer, the overall area occupied by the device is small, and sensors are provided to avoid accidental damage to the stamping die. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a main view position relationship diagram of the utility model;

[0028] Figure 2 It is a diagram of the processed product and the finished product of the utility model;

[0029] Figure 3 It is a side view position relationship diagram of the utility model;

[0030] In the figure: 1. Push plate control cylinder, 2. Left cover plate, 3. Right cover plate, 4. Push plate, 5. Arrangement track, 6. Shaped metal strip, 7. Transfer control cylinder, 8. Slide rail, 9. Vertical control cylinder, 10. Gripper cylinder, 11. Punch press, 12. Lower template, 13. End point limit block, 14. Tongue plate 1. DETAILED DESCRIPTION

[0031] The technical solution of the utility model is further described in detail below through specific embodiments and in conjunction with the accompanying drawings. Example

[0032] like Figure 1 and Figure 3The automatic feeding device for stamping and forming the outer ring of a bearing shown in the figure comprises an automatic output arrangement mechanism, an automatic transfer mechanism, a stamping machine and a directional air blowing pipe;

[0033] Assume that the output point of the automatic output mechanism is point A, and the working point of the punching machine is point B, then points AB are on the same horizontal plane;

[0034] The automatic transfer mechanism is parallel to the vertical plane formed by points AB;

[0035] The directional air blowing pipe is arranged between the automatic output mechanism and the punching machine, and the air blowing angle is aligned with the position of the upper template when the punching machine is in the ready state.

[0036] The upstream device will Figure 2 The bearing outer ring blank a shown is automatically introduced into the automatic output arrangement mechanism, and the bearing outer ring blank a is output to the output point one at a time in the automatic output arrangement mechanism. The bearing outer ring blank a is sleeved on the lower template of the punching machine through the 3-degree-of-freedom automatic transfer mechanism. The automatic transfer mechanism is reset, and the punching machine completes the punching, and the bearing outer ring blank a is converted into the finished product rough bearing outer ring b of the device. When the punching machine is reset, the rough bearing outer ring b is acted upon by the stripping plate and falls off from the upper template. During the falling process, the directional air blowing pipe changes the landing point to the unloading frame.

[0037] The automatic output mechanism comprises: an arrangement track 5, which is used to arrange the outer ring blanks of the bearings, and is formed into a U-shaped track with the opening facing upwards, a tongue plate 14 is fixed on the top surface, and the output port is connected to the screening track and is 90 degrees to the central axis of the screening track;

[0038] The screening track comprises a base plate, on which two left cover plates 2 and a right cover plate 3 are arranged, and between the two left cover plates an output port of the arrangement track is arranged;

[0039] The left cover plate, the right cover plate and the base plate form a C-shaped track, and the push plate 4 is inserted into the track;

[0040] An output point is set at one end of the base plate, and a push plate is set at the other end to control cylinder 1;

[0041] The telescopic end of the push plate control cylinder 1 is fixedly connected to one end of the push plate 4;

[0042] The other end of the push plate is provided with a V-shaped opening.

[0043] The tracks are arranged to form an angle of 35° with the horizontal plane;

[0044] A pair of end point limiting blocks 13 are arranged on the base plate, and the adjacent surfaces of the end point limiting blocks and the push plate are arc surfaces.

[0045] The spacing of the end point limiting block 13 is equal to 1 / 2 of the diameter of the bearing outer ring blank a, which can ensure that the clamping cylinder of the automatic transfer mechanism can work normally. The arrangement track 5 is set at the midpoint of the right cover plate, that is, the two left cover plates have the same length.

[0046] A shaped metal strip 6 is arranged on the right cover plate of the automatic output mechanism, and the directional air blowing pipe is fixed to the shaped metal strip 6, and the blowing angle of the directional air blowing pipe is fixed by the metal strip. The directional air blowing pipe uses a joint tube to facilitate angle adjustment, but the joint tube cannot withstand the reaction force generated by the airflow, so a shaped metal strip is needed to fix the directional air blowing pipe on the shaped metal strip, and the shaped metal strip is fixed in a place selected according to the actual layout.

[0047] The automatic transfer mechanism comprises: a base plate, a slide rail 8 is arranged on the base plate, and a transfer control cylinder 7 is arranged at one end of the base plate;

[0048] A slider is arranged on the slide rail, and the slider is controlled by the transfer control cylinder 7 to move in translation. A second slide rail is arranged on the surface adjacent to the slider and the punching machine, and the axis of the second slide rail is perpendicular to the horizontal plane.

[0049] The telescopic end of the vertical control cylinder 9 is fixedly connected to the top surface of the slide rail, a second slider is fixed on the cylinder body adjacent to the second slide rail, the second slider cooperates with the second slide rail, and a clamping cylinder is fixed on the cylinder body;

[0050] The clamping claw cylinder 10 is used to clamp the bearing outer ring blank at the output point of the automatic output mechanism.

[0051] The clamping jaws of the clamping jaw cylinder 10 are provided with arc grooves, which match the size of the outer ring blank of the bearing.

[0052] The transfer control cylinder controls the left and right translation of the clamping cylinder, and the vertical control cylinder controls the up and down translation of the clamping cylinder. The clamping cylinder is used to horizontally clamp the outer periphery of the bearing outer ring blank a. When the clamping cylinder clamps the outer periphery of the bearing outer ring blank a, the bearing outer ring blank a is transferred from the output point to the lower die of the stamping machine.

[0053] A light curtain sensor is also provided on the periphery of the punching machine, wherein the light curtain covers the horizontal plane of the lower template of the punching machine 11, and the light curtain plane is higher than the highest point of the lower template. The light curtain sensor can avoid the failure of the directional air blow pipe. When the rough bearing outer ring b falls off from the upper template, if there is any accident causing the rough bearing outer ring b to fall on the lower template 12, the light curtain sensor will be triggered, and the entire device will stop working and trigger an alarm signal to notify the staff to handle it.

[0054] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic feeding device for stamping and forming a bearing outer ring, characterized in that: It includes an automatic output mechanism, an automatic transfer mechanism, a punching machine and a directional air blowing tube; Assume that the output point of the automatic output mechanism is point A, and the working point of the punching machine is point B, then points AB are on the same horizontal plane; The automatic transfer mechanism is parallel to the vertical plane formed by points AB; The directional air blowing pipe is arranged between the automatic output mechanism and the punching machine, and the air blowing angle is aligned with the position of the upper template when the punching machine is in the ready state.

2. The automatic feeding device for stamping and forming a bearing outer ring according to claim 1, characterized in that: The automatic output mechanism includes: an arrangement track, which is used to arrange the outer ring blanks of the bearings, and is formed into a U-shaped track with an upward opening, a tongue plate is fixed on the top surface, and the output port is connected to the screening track and is 90 degrees to the central axis of the screening track; The screening track comprises a base plate, on which two left cover plates and one right cover plate are arranged, and between the two left cover plates, an output port of the arrangement track is arranged; The left cover plate, the right cover plate and the base plate form a C-shaped track, and the push plate is inserted into the track; An output point is set at one end of the base plate, and a push plate is set at the other end to control the cylinder; The telescopic end of the push plate control cylinder is fixedly connected to one end of the push plate; The other end of the push plate is provided with a V-shaped opening.

3. The automatic feeding device for stamping and forming a bearing outer ring according to claim 2, characterized in that: Arrange the track to form an angle between 30-50° with the horizontal plane; A pair of end point limiting blocks are arranged on the base plate, and the adjacent surfaces of the end point limiting blocks and the push plate are arc surfaces.

4. The automatic feeding device for stamping and forming a bearing outer ring according to claim 2, characterized in that: A shaping metal strip is arranged on the right cover plate of the automatic output mechanism, and the directional air blowing pipe is fixed to the shaping metal strip, and the blowing angle of the directional air blowing pipe is fixedly determined by the metal strip.

5. The automatic feeding device for stamping and forming a bearing outer ring according to claim 1, characterized in that: The automatic transfer mechanism comprises: a base plate, a slide rail is arranged on the base plate, and a transfer control cylinder is arranged at one end of the base plate; A slider is arranged on the slide rail, and the slider is controlled to move in translation by a transfer control cylinder. A second slide rail is arranged on the surface adjacent to the slider and the punching machine, and the axis of the second slide rail is perpendicular to the horizontal plane. The telescopic end of the vertical control cylinder is fixedly connected to the top surface of the slide rail, a second slider is fixed on the cylinder body adjacent to the second slide rail, the second slider cooperates with the second slide rail, and a clamping cylinder is fixed on the cylinder body; The clamping jaw cylinder is used to clamp the bearing outer ring blank at the output point of the automatic output mechanism.

6. The automatic feeding device for stamping and forming a bearing outer ring according to claim 5, characterized in that: The clamping jaws of the clamping jaw cylinder are provided with arc grooves, which match the size of the outer ring blank of the bearing.

7. The automatic feeding device for stamping and forming a bearing outer ring according to claim 1, characterized in that: A light curtain sensor is also arranged on the periphery of the punching machine, wherein the light curtain range covers the horizontal plane of the lower die of the punching machine, and the plane of the light curtain is higher than the highest point of the lower die.

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