CN216657026U

CN216657026U - Constant-torque screwing device for upper base and spiral gland of aerator

Info

Publication number: CN216657026U
Application number: CN202123368178.6U
Authority: CN
Inventors: 尹建国; 刘佳豪
Original assignee: Zhangjiagang Fulande Machinery Co ltd
Current assignee: Zhangjiagang Fulande Machinery Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-03
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a constant torque screwing device for an upper base and a spiral gland of an aerator, which comprises: the frame, be fixed with the mount pad in the frame, install the hollow shaft in the mount pad, the top of hollow shaft is equipped with the carousel, the hollow shaft is fixed mutually with the carousel, be fixed with the driving-disc on the carousel, be equipped with the locating hole on the driving-disc, be equipped with the tooth's socket on the locating hole pore wall, the mount pad below is equipped with down the mounting bracket, be equipped with locating lever and upper and lower drive arrangement on the mounting bracket down, the locating lever inserts to the hollow shaft in from the below, be equipped with the mounting bracket in the frame, it presses die head and die head drive arrangement to be equipped with on the mounting bracket to go up, be equipped with the arch recess on the lower surface of pressing the die head, be equipped with servo motor in the frame, be provided with drive mechanism between servo motor and the hollow shaft. The constant-torque screwing device can drive the spiral gland to rotate through the servo motor so that the spiral gland can be screwed on the aerator base quickly, and the screwing torque is kept consistent due to the constant-torque driving of the servo motor.

Description

Constant-torque screwing device for upper base and spiral gland of aerator

Technical Field

The utility model relates to the field of aerator production equipment, in particular to a constant-torque screwing device for an upper base and a spiral gland of an aerator.

Background

The disc type membrane microporous aerator is an aeration device, and has the advantages of small aeration bubbles, large gas-liquid area, uniform bubble diffusion, no eyelet blockage and strong corrosion resistance. The disc type membrane microporous aerator comprises: the device comprises a base, a microporous rubber diaphragm and a spiral gland; the micropore rubber diaphragm is installed on the base and then needs to be screwed on the base through the spiral gland, so that the spiral gland can compress the outer edge of the micropore rubber diaphragm, and the micropore rubber diaphragm is prevented from being separated from the base. At present screw gland is screwed on the base by the workman usually, and the work efficiency of the manual screw gland of screwing is lower to the moment of torsion of screwing can't be unanimous, and the moment of torsion of screwing has big or small, thereby can't guarantee screw gland's the quality of screwing, will have like this that screw gland does not screw the condition on the base, thereby makes product quality can't obtain guaranteeing.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the constant-torque screwing device of the upper base of the aerator and the screw gland can quickly screw the screw gland on the base of the aerator and keep the screwing torque consistent.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: the constant torque device of screwing of base and screw gland on the aerator includes: the frame, its characterized in that: a mounting seat is fixed on the frame, a hollow shaft which is vertically arranged is arranged in the mounting seat through a bearing, a turntable is arranged above the hollow shaft, a through hole is arranged in the center of the turntable, the upper end of the hollow shaft is fixed with the center of the turntable, the through hole on the turntable is communicated with the cavity of the hollow shaft up and down, a driving disc is fixed on the upper surface of the turntable, a positioning hole which is coaxial with the hollow shaft and used for positioning a spiral gland is arranged in the center of the driving disc, a plurality of tooth sockets which are arranged around the hole are arranged on the hole wall of the positioning hole, ribs on the outer side wall of the spiral gland can be inserted into the tooth sockets after the spiral gland is placed in the positioning hole, so that the driving disc can rotate together with the spiral gland after rotating, a lower mounting frame is arranged on the frame below the mounting seat, and an upper and lower driving device which can drive the positioning rod to move up and down is arranged on the lower mounting frame, the positioning rod is vertically inserted into the cavity of the hollow shaft from the lower part, a copper sleeve is arranged between the upper part of the positioning rod and the hollow shaft, the top end of the positioning rod is positioned on the center of the positioning hole of the driving disc, an upper mounting frame is also arranged on the frame, a pressing die head and a die head driving device capable of driving the pressing die head to move up and down are arranged on the upper mounting frame, an arch-shaped groove capable of being attached to the upper arch-shaped surface of the aerator base is arranged on the lower surface of the pressing die head, when the spiral gland is placed in the positioning hole and the aerator base is placed on the spiral gland, the positioning rod can be inserted into the middle hole of the aerator base to position the aerator base, the pressing die head can be driven by the die head driving device to move downwards and then pressed on the aerator base, and after the positioning rod moves upwards under the driving of the upper and lower driving devices, the positioning rod can also lift up the aerator base, a servo motor is further arranged on the rack, and a transmission mechanism is arranged between the servo motor and the hollow shaft, so that the servo motor can drive the hollow shaft to rotate with constant torque.

Further, the constant torque screwing device of the base and the screw gland on the aerator, wherein: the structure of the transmission mechanism comprises: one install in the synchronous pulley on servo motor output shaft and one install in the synchronous pulley on the hollow shaft lower extreme, two synchronous pulleys pass through synchronous belt drive.

Further, the constant torque screwing device of the base and the screw gland on the aerator, wherein: a plane bearing for supporting the hollow shaft is sleeved between the upper end of the hollow shaft and the mounting seat.

Further, the constant torque screwing device of the base and the screw gland on the aerator, wherein: the die head driving device and the upper and lower driving devices are air cylinders.

Further, the constant torque screwing device of the base and the screw gland on the aerator, wherein: the driving disc is detachably locked on the turntable through screws.

Further, the constant torque screwing device of the base and the screw gland on the aerator, wherein: install three vertical guide pillars of arranging round the pressing die head on last mounting bracket, all the cover is equipped with a guide pin bushing on three guide pillar, still is provided with a baffle of fixing mutually with the pressing die head, and the baffle is fixed mutually with three guide pin bushing respectively for three guide pillars can lead to reciprocating of pressing the die head.

The utility model has the advantages that: the constant-torque screwing device can drive the spiral gland to rotate through the servo motor so that the spiral gland can be screwed on the base of the aerator quickly, and the servo motor can drive the spiral gland to be screwed with constant torque so that the screwing torque is kept consistent.

Drawings

Fig. 1 is a schematic structural diagram of a constant-torque screwing device of an upper base and a screw gland of an aerator, which is disclosed by the utility model.

Fig. 2 is a schematic view of the structure of the drive disc shown in fig. 1.

Fig. 3 is a schematic structural view of the base of the aerator shown in fig. 1.

Fig. 4 is a schematic structural view of the screw cap shown in fig. 1.

Fig. 5 is a schematic view of the structure of the press die shown in fig. 1.

Fig. 6 is a schematic structural diagram of the aerator after the base and the screw gland are screwed tightly.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and the attached drawings.

As shown in fig. 1, 2, 3, 4, 5 and 6, the constant torque screwing device for the upper base and the screw gland of the aerator comprises: a frame 1, a mounting base 2 is fixed on the frame 1, a hollow shaft 3 which is vertically arranged is installed in the mounting base 2 through a bearing, a rotary table 4 is arranged above the hollow shaft 3, a through hole is arranged on the center of the rotary table 4, the upper end of the hollow shaft 3 is fixed with the center of the rotary table 4, the through hole on the rotary table 4 is communicated with the cavity of the hollow shaft 3 up and down, a driving disc 5 is fixed on the upper surface of the rotary table 4, a positioning hole 51 which is coaxial with the hollow shaft 3 and used for positioning a spiral gland 6 is arranged on the center of the driving disc 5, a plurality of tooth sockets 52 which are arranged around the hole are arranged on the hole wall of the positioning hole 51, after the spiral gland 6 is placed in the positioning hole 51, ribs 61 on the outer side wall of the spiral gland 6 can be inserted into the tooth sockets 52, so that the spiral gland 6 can rotate together with the driving disc 5 after rotating, a lower mounting frame 8 is arranged on the frame 1 below the mounting base 2, a positioning rod 81 and an up-and-down driving device 82 capable of driving the positioning rod 81 to move up and down are arranged on the lower mounting frame 8, the positioning rod 81 is vertically inserted into the cavity of the hollow shaft 3 from the lower part, a copper sleeve 83 is arranged between the upper part of the positioning rod 81 and the hollow shaft 3, the copper sleeve 83 plays the role of a bearing, the top end of the positioning rod 81 is positioned in the positioning hole 51 of the driving disc 5, an upper mounting frame 9 is also arranged on the frame 1, a pressing die head 91 and a die head driving device 92 capable of driving the pressing die head 91 to move up and down are arranged on the upper mounting frame 9, an arch-shaped groove 93 capable of being attached to the upper arch surface of the aerator base 7 is arranged on the lower surface of the pressing die head 91, when the spiral gland 6 is placed in the positioning hole 51 and the aerator base 7 is placed on the spiral gland 6, the positioning rod 81 can be inserted into the middle hole 71 of the aerator base 7 to position the aerator base 7, the pressing die head 91 can be pressed on the aerator base 7 after moving downwards under the driving of the die head driving device 92, the positioning rod 81 can jack up the aerator base 7 after moving upwards under the driving of the upper and lower driving devices 82, the frame 1 is also provided with a servo motor 10, and a transmission mechanism is arranged between the servo motor 10 and the hollow shaft 3, so that the servo motor 10 can drive the hollow shaft 3 to rotate with constant torque.

In this embodiment, the structure of the transmission mechanism includes: a first synchronous belt wheel 11 arranged on the output shaft of the servo motor 10 and a second synchronous belt wheel 12 arranged on the lower end of the hollow shaft 3, wherein the two synchronous belt wheels are driven by a synchronous belt 13.

A flat bearing 14 for supporting the hollow shaft 3 is also mounted between the upper end of the hollow shaft 3 and the mounting base 2.

The die head driving device 92 and the up-down driving device 82 are both air cylinders. The driving disk 5 is detachably locked on the rotating disk 4 through screws, and the arrangement is convenient for replacing the driving disk 5.

Install three vertical guide pillars 15 around pressing die head 91 arrangement on last mounting bracket 9, all overlap a guide pin bushing 16 on three guide pillar 15, still be provided with a baffle 17 of fixing mutually with pressing die head 91, baffle 17 still is fixed mutually with three guide pin bushing 16 respectively for three guide pillars 15 can lead pressing die head 91's reciprocating.

In practice, the constant torque tightening device is equipped with a controller.

When the aerator is in operation, a worker places the screw gland 6 in the positioning hole 51, then places the aerator base 7 on the screw gland 6, inserts the positioning rod 81 into the middle hole 71 of the aerator base 7 to position the aerator base 7, then presses the die head 91 to move downwards under the driving of the die head driving device 92 to press the aerator base 7, then the servo motor 10 drives the hollow shaft 3 to drive the turntable 4, the driving disc 5 and the screw gland 6 to rotate reversely for one circle, so that the aerator base 7 and the screw gland 6 can be mutually adapted to be aligned up and down, then the servo motor 10 drives the hollow shaft 3 to drive the turntable 4, the driving disc 5 and the screw gland 6 to rotate forwards, the aerator base 7 is pressed, so that the aerator base 7 cannot rotate along, and the screw gland 6 can be rotated upwards on the aerator base 7, because servo motor 10 can the drive of permanent moment of torsion for the moment of torsion of screwing spiral cover 6 on aerator base 7 at every turn is all the same, and the back of having screwed, press die head 91 can upwards move and do not press aerator base 7, then locating lever 81 can be driven the rebound and ejecting aerator base 7, makes the workman conveniently take spiral cover 6 and the aerator base 7 of screwing mutually.

Claims

1. The constant torque device of screwing of base and screw gland on the aerator includes: the frame, its characterized in that: a mounting seat is fixed on the frame, a hollow shaft which is vertically arranged is arranged in the mounting seat through a bearing, a turntable is arranged above the hollow shaft, a through hole is arranged in the center of the turntable, the upper end of the hollow shaft is fixed with the center of the turntable, the through hole on the turntable is communicated with the cavity of the hollow shaft up and down, a driving disc is fixed on the upper surface of the turntable, a positioning hole which is coaxial with the hollow shaft and used for positioning a spiral gland is arranged in the center of the driving disc, a plurality of tooth sockets which are arranged around the hole are arranged on the hole wall of the positioning hole, ribs on the outer side wall of the spiral gland can be inserted into the tooth sockets after the spiral gland is placed in the positioning hole, so that the driving disc can rotate together with the spiral gland after rotating, a lower mounting frame is arranged on the frame below the mounting seat, and an upper and lower driving device which can drive the positioning rod to move up and down is arranged on the lower mounting frame, the positioning rod is vertically inserted into the cavity of the hollow shaft from the lower part, a copper sleeve is arranged between the upper part of the positioning rod and the hollow shaft, the top end of the positioning rod is positioned on the center of the positioning hole of the driving disc, an upper mounting frame is also arranged on the frame, a pressing die head and a die head driving device capable of driving the pressing die head to move up and down are arranged on the upper mounting frame, an arch-shaped groove capable of being attached to the upper arch-shaped surface of the aerator base is arranged on the lower surface of the pressing die head, when the spiral gland is placed in the positioning hole and the aerator base is placed on the spiral gland, the positioning rod can be inserted into the middle hole of the aerator base to position the aerator base, the pressing die head can be driven by the die head driving device to move downwards and then pressed on the aerator base, and after the positioning rod moves upwards under the driving of the upper and lower driving devices, the positioning rod can also lift up the aerator base, a servo motor is further arranged on the rack, and a transmission mechanism is arranged between the servo motor and the hollow shaft, so that the servo motor can drive the hollow shaft to rotate with constant torque.

2. The constant-torque tightening device for the upper base and the screw gland of the aerator according to claim 1, wherein: the structure of the transmission mechanism comprises: one install in the synchronous pulley on servo motor output shaft and one install in the synchronous pulley on the hollow shaft lower extreme, two synchronous pulleys pass through synchronous belt drive.

3. The constant-torque screwing device for the upper base and the screw gland of the aerator according to claim 1 or 2, wherein: a plane bearing for supporting the hollow shaft is sleeved between the upper end of the hollow shaft and the mounting seat.

4. The constant-torque screwing device for the upper base and the screw gland of the aerator according to claim 1 or 2, wherein: the die head driving device and the upper and lower driving devices are air cylinders.

5. The constant-torque screwing device for the upper base and the screw gland of the aerator as claimed in claim 1 or 2, wherein: the driving disc is detachably locked on the turntable through screws.

6. The constant-torque screwing device for the upper base and the screw gland of the aerator according to claim 1 or 2, wherein: install three vertical guide pillars of arranging round the pressing die head on last mounting bracket, all the cover is equipped with a guide pin bushing on three guide pillar, still is provided with a baffle of fixing mutually with the pressing die head, and the baffle is fixed mutually with three guide pin bushing respectively for three guide pillars can lead to reciprocating of pressing the die head.