CN212525767U - Automatic flattening mechanism for connecting nuts on transmission shaft and brake disc - Google Patents

Abstract

The utility model relates to a mechanism is flattened in automation for connecting nut on transmission shaft and brake disc, which comprises a bod, be equipped with rotatory centering mechanism on the organism and flatten the mechanism, rotatory centering mechanism includes servo motor, passes through the ball spline pair of drive mechanism drive by servo motor, flatten the mechanism include the pneumatic cylinder, be connected with the pneumatic cylinder transmission swing mechanism, with swing mechanism be connected flatten the head, the vice integral key shaft of ball spline with flatten the head articulated. The utility model discloses an automatic flatten and replace traditional manual work to flatten, can flatten breach position by quick automatic identification, when avoiding personnel's operation, frequently change the operating position, can effectively reduce operator's operation intensity and realize that transmission shaft and brake disc combine automated production demand.

Description

Automatic flattening mechanism for connecting nuts on transmission shaft and brake disc

Technical Field

The utility model relates to an engine assembly assembles the field, especially relates to an automatic wheel hub and transmission shaft combined automation equipment.

Background

In the assembly of engine assembly, need pass through the nut with transmission shaft tip and brake disc and screw up together, avoid transmission shaft and brake disc separation, simultaneously for avoiding the motion in-process, the nut of screwing up has not hard up, need beat a breach with the nut, makes it fall into the draw-in groove of transmission shaft to avoid the motion in-process, the nut pine takes off, all kinds of accidents that lead to. The assembly of current transmission shaft and brake disc, operator's operation intensity is big under its operation mode, and the operation is complicated, needs artifical installation back, flattens the quality and differs, is unfavorable for the quality management and control. In order to realize semi-automatic assembly of a transmission shaft and a brake disc and reduce the operation intensity of operators, the prior operation mode needs to be improved under the industrial 4.0 background, and the operation is less humanized and unmanned.

Disclosure of Invention

The utility model aims to solve the problem that an automatic equipment of flattening for connecting nut on transmission shaft and brake disc is provided, and this kind of equipment is flattened the uniformity height, and is effectual, is favorable to the realization of brake disc and the full-automatic combination assembly of transmission shaft.

The utility model provides a technical scheme is: the utility model provides an automatic equipment of flattening for brake disc and transmission shaft upper nut, includes the organism, be equipped with rotatory centering mechanism on the organism and flatten the mechanism, rotatory centering mechanism includes servo motor, passes through the ball spline pair of drive mechanism drive by servo motor, flatten the mechanism include the pneumatic cylinder, with the swing mechanism that the pneumatic cylinder transmission is connected, with the head of flattening that swing mechanism is connected, the integral key shaft that the ball spline is vice with flatten the head articulated for flatten the mechanism and can rotate along with straight line screw-nut pair together.

The swing mechanism comprises a long shaft in floating connection with the hydraulic cylinder, a connecting rod hinged with the long shaft and a swing arm hinged with the connecting rod, the spline shaft is a hollow shaft, the long shaft penetrates through the hollow shaft, the flattening head is fixedly connected to the swing arm, and the flattening head is hinged with the spline shaft through a pivot rotating shaft of the swing arm.

The machine body is provided with a linear guide rail, a cylinder and a supporting seat driven by the cylinder to reciprocate on the linear guide rail, the supporting seat is fixedly connected with a servo motor, and the rotary centering mechanism and the flattening mechanism are connected on the supporting seat in a floating manner through screws and springs.

The transmission mechanism comprises a transmission pinion driven by a servo motor and a rotary bull gear meshed with the transmission pinion, and a spline nut in the ball spline pair is fixedly connected with the rotary bull gear.

A sleeve is arranged between the rotary big gear and the spline nut and is fixedly connected with the rotary big gear and the spline nut respectively.

The integral key shaft is connected with a nut positioning sleeve, a telescopic spring detection rod is arranged in the nut positioning sleeve, and a detection sensor is arranged below the spring detection rod.

The utility model adopts the above structure, after the transmission shaft is connected with the brake disc and is accomplished to screw up the nut by screwing up the spanner is automatic, when reacing this station, through the transmission shaft breach position of prior vision identification system discernment, the utility model discloses, adopt servo motor to rotate, drive the tool bit of flattening and rotate together for the tool bit of flattening can arrive required angle and flatten the action. When the flattening mechanism rotates to a required angle, the hydraulic cylinder acts to drive the swinging mechanism to move, and under the action of the swinging mechanism, the flattening cutter head moves to finish the flattening action. The utility model discloses flatten efficiently, flatten the uniformity good, and be favorable to realizing the realization of the full automatic assembly of relevant station.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structural diagram of the mechanism of the present invention.

Fig. 3 is a schematic structural view of the head of the flattening mechanism of the present invention.

Fig. 4 is a schematic structural view of the driving part of the flattening mechanism of the present invention.

Detailed Description

Referring to fig. 1 to 4, the utility model discloses an organism, be equipped with rotatory centering mechanism on the organism and flatten the mechanism, rotatory centering mechanism includes servo motor 1, passes through the vice 5 of drive mechanism drive pivoted ball spline by servo motor 1, drive mechanism contains by servo motor 1 driven transmission pinion 2 and with the rotatory gear wheel 3 of transmission pinion 2 meshing, be equipped with sleeve 4 between the spline nut of rotatory gear wheel 3 and the vice 5 of ball spline, sleeve 4 respectively with rotatory gear wheel 3 and spline nut fixed connection. The flattening mechanism comprises a hydraulic cylinder 13, a long shaft 12 connected with the hydraulic cylinder 13 in a floating mode, a connecting rod 11 hinged with the long shaft 12 and a swing arm 10 hinged with the connecting rod 11; the spline shaft is a hollow shaft, a long shaft 12 penetrates through the hollow shaft, and a flattening head 19 is fixedly connected to the swing arm 10.

The flattening mechanism supporting shaft 8 is arranged on the end supporting side of the spline shaft and connected with the end flange 9, and the end flange 9 is connected with the spline shaft through a flat key, so that when the spline shaft rotates, the end flange 9 drives the flattening mechanism supporting shaft 8 to rotate together.

A swing arm 10 of the flattening mechanism is connected with a support shaft 8 of the flattening mechanism through a rotating shaft, the swing arm 10 is connected with a connecting rod 11 through the rotating shaft, the connecting rod 11 is connected with a long shaft 12 through the rotating shaft, and the tail of the long shaft 12 is connected with a hydraulic cylinder 13 in a floating mode.

The flat-flattening centering mechanism is characterized in that a linear guide rail 15 and a supporting seat 14 capable of moving on the linear guide rail 15 in a reciprocating mode are arranged on the machine body, the whole supporting seat 14 is driven by an air cylinder, the whole mechanism can move in a reciprocating mode in the direction of the linear guide rail 15, the supporting seat 14 and the supporting flange 7 are connected in a floating mode through a spring, the whole flat-flattening centering mechanism is connected to the supporting seat 14 in a floating mode through a screw 25 and a spring 26, and a nut can smoothly fall into a positioning sleeve of the.

In the structure, the rotary large gear 3 is connected with the sleeve 4 through a flat key, the sleeve 4 is connected with a spline nut, the sleeve 4 is arranged on an inner ring of the bearing 6, the bearing 6 is arranged on a supporting flange 7 of the gearbox body 20, the sleeve is prevented from moving back and forth through the retaining ring and the nut, and meanwhile, the sleeve 4 can be ensured to rotate along the center of the bearing 6. When the big gear 3 rotates, the sleeve 4 and the spline nut are driven to rotate, so that the spline shaft is driven to rotate.

In the above configuration, the servomotor 1 is fixed to the gear housing 20. The flange 21 is installed on the gear box body 20, the end flange 22 is installed on the flange 21, and the end flange 22 is provided with a bearing which is installed at the tail part of the spline shaft, so that the spline shaft can rotate stably. And a rolling bearing is arranged on one side of the end part of the ball spline pair 5, and meanwhile, the rolling bearing is also arranged on the outer side of the flange 7 connected with the ball spline pair 5, so that the spline shaft can stably rotate.

The hydraulic cylinder 13 is arranged at the tail part of the mechanism and is connected with a flange 22 through a flange 23. The hydraulic cylinder 13 is connected with the long shaft 12 through a floating joint or a rotary bearing 24, so that when the flattening mechanism rotates, the hydraulic cylinder 13 can not rotate along with the long shaft 12, and meanwhile, the connecting rod 11 and the swing arm 10 are driven to move through the long shaft 12, so that a tool bit (flattening head 19) is driven to act, and flattening is completed.

The nut positioning sleeve 16 is connected to the spline shaft, the nut positioning sleeve 16 is located at the tail end of the spline shaft and connected with the supporting shaft 8 in the rotary centering mechanism and can rotate along with the spline shaft, a spring telescopic detection rod 17 is arranged in the nut positioning sleeve 16, a detection sensor 18 is arranged below the detection rod 17, and through the movement of the spring telescopic rod 17, the detection sensor 18 determines whether the nut can be placed in place or not through detection signals.

The utility model discloses a pneumatic cylinder accomplishes and flattens the action, through servo, accomplishes and flattens the position and aim at the action. The specific action flow of the rotary centering mechanism is as follows: before the image is accomplished to station visual system and after shooing, the utility model discloses the structure, according to servo motor 1 position that stops, the mechanism position is flattened in the discernment, with current position angle difference, it rotates to drive pinion 2 through control servo motor 1, pinion 2 rotates and drives gear wheel 3 and rotate, gear wheel 3 is connected with sleeve 4 through the parallel key, sleeve 4 is connected with spline nut, sleeve 4 installs on bearing 6 inner race, bearing 6 installs on flange 7, drunkenness around avoiding the sleeve through retaining ring and nut, also can guarantee simultaneously that the sleeve can rotate along bearing 6 center. When the big gear 3 rotates, the sleeve 4 and the spline nut are driven to rotate, so that the spline shaft is driven to rotate.

The flattening mechanism has the following principle: when flattening mechanism moves to the nut breach and flattens the position, supporting seat 14 drives mechanism antedisplacement along linear guide 15 under the cylinder effect, transmission shaft and nut get into position sleeve 16 in, there is telescopic measuring pole 17 in the position sleeve 16, there is detection sensor 18 measuring pole below, get into position sleeve 16 when the transmission shaft, telescopic measuring pole 17 withdrawal, detection sensor receives the signal, it puts in place to represent transmission shaft and nut, pneumatic cylinder 13 moves back and forth afterwards, drive major axis 12 moves from beginning to end, drive connecting rod 11 afterwards and rotate, thereby drive swing arm 10 and rotate, install above the swing arm 10 and flatten head 19, under the effect of swing arm 10, flatten head 19 pushes down and accomplishes the action of flattening.

Claims (6)

1. The utility model provides an automatic mechanism of flattening for connecting nut on transmission shaft and brake disc, includes the organism, its characterized in that: be equipped with rotatory centering mechanism on the organism and flatten the mechanism, rotatory centering mechanism includes servo motor, passes through the ball spline pair of drive mechanism driven by servo motor, flatten the swing mechanism that the mechanism includes the pneumatic cylinder, is connected with the pneumatic cylinder transmission, flatten the head with being connected of swing mechanism, the integral key shaft of ball spline pair with flatten the head articulated.

2. The automatic flattening mechanism of claim 1, characterized in that: the swing mechanism comprises a long shaft in floating connection with the hydraulic cylinder, a connecting rod hinged with the long shaft and a swing arm hinged with the connecting rod, the spline shaft is a hollow shaft, the long shaft penetrates through the hollow shaft, the flattening head is fixedly connected to the swing arm, and the flattening head is hinged with the spline shaft through a pivot rotating shaft of the swing arm.

3. The automatic flattening mechanism according to claim 1 or 2, characterized in that: the machine body is provided with a linear guide rail, a cylinder and a supporting seat driven by the cylinder to reciprocate on the linear guide rail, the supporting seat is fixedly connected with a servo motor, and the rotary centering mechanism and the flattening mechanism are connected on the supporting seat in a floating manner through screws and springs.

4. The automatic flattening mechanism according to claim 1 or 2, characterized in that: the transmission mechanism comprises a transmission pinion driven by a servo motor and a rotary bull gear meshed with the transmission pinion, and a spline nut in the ball spline pair is fixedly connected with the rotary bull gear.

5. The automatic flattening mechanism of claim 4, characterized in that: a sleeve is arranged between the rotary big gear and the spline nut and is fixedly connected with the rotary big gear and the spline nut respectively.

6. The automatic flattening mechanism according to claim 1 or 2, characterized in that: the integral key shaft is connected with a nut positioning sleeve, a telescopic spring detection rod is arranged in the nut positioning sleeve, and a detection sensor is arranged below the spring detection rod.

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