CN216607903U

CN216607903U - Shaft inserting device for assembling water meter

Info

Publication number: CN216607903U
Application number: CN202220102352.8U
Authority: CN
Inventors: 袁逸; 林森; 周静峰; 蔡建平
Original assignee: Ningbo Dongtai Water Technology Co ltd; Ningbo Donghai Group Corp
Current assignee: Ningbo Dongtai Water Technology Co ltd; Ningbo Donghai Group Corp
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-05-27
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses an inserting shaft device for assembling a water meter, which comprises a vibration disc, a blanking pipe communicated with the vibration disc and a shaft grabbing arm used for transporting a wheel shaft at an outlet of the blanking pipe to an inserting shaft station; the shaft inserting device also comprises a clamp positioned at a shaft inserting station, wherein the clamp opening of the clamp is upward, a row of continuously closed character wheels are clamped in the clamp opening, a character wheel box with a downward opening is sleeved on the clamp opening, and the character wheels are sleeved in the character wheel box; the shaft inserting device further comprises a pressing rod used for pressing the character wheel box on the clamp, a pressing cylinder used for driving the pressing rod, a push rod used for pushing the wheel shaft into a character wheel box shaft hole located at the shaft inserting station, and a shaft inserting cylinder used for driving the push rod. The shaft inserting device can automatically and accurately complete shaft inserting action.

Description

Shaft inserting device for assembling water meter

Technical Field

The utility model relates to the field of automation of mechanical equipment, in particular to a part of automatic assembling equipment for a metering display of a water meter head, and more particularly relates to a shaft inserting device of the assembling equipment for the metering display of a water meter.

Background

The meter display of the water meter head is a part used for displaying the water consumption on the water meter and comprises a character wheel box with an upward opening, a wheel shaft penetrates through a side plate of the character wheel box, and a plurality of continuous character wheels which are arranged side by side are connected on the wheel shaft in series.

The early water meter gauge head metering display is manually assembled, is low in speed and low in efficiency, and obviously does not meet the requirements of modern enterprises. To remedy this drawback, the industry proposed a technical solution for automated assembly, such as the utility model patent with application number 2017113926524, which discloses an assembly device for a water meter display, which can achieve the automation of the assembly of the water meter display. The general flow of the assembly of the equipment is that the character wheel boxes with upward openings are sent into a long and narrow conveying groove one by one, and the character wheel boxes on the conveying groove are gradually pushed forwards by a pushing device and reach a character wheel loading station; the character wheels descend along the blanking channel in a vertical row, are pushed out one by one at the bottom end of the blanking channel and penetrate through the transition shaft, after the plurality of character wheels abut against each other to form a row on the transition shaft, the character wheels are tightly clamped by the assembling arm, then the transition shaft is drawn out, and then the character wheels are placed into the character wheel box from an upper opening of the character wheel box by the assembling arm; the character wheel box after the character wheels are placed continues to move forward to the shaft inserting station along the conveying groove, the shaft is inserted into the shaft hole in the side wall of the character wheel box through the shaft inserting device, a row of character wheels are synchronously stringed, and then the assembly of all the character wheels, the shaft and the character wheel box is completed.

However, in the actual production process, it is found that the assembling device of the water meter measuring display of the prior art has a main defect. This equipment transports word wheel box opening up to the conveyer trough, and follow the conveyer trough and advance to word wheel material loading station and put into word wheel box with the word wheel from word wheel box upper shed, continue to advance to insert the axle along the conveyer trough again, then advance to most in-process of its assembly of closing cap station closure word wheel box upper shed … …, the equal opening of word wheel box is upwards just can the closing cap until the assembly tail sound, thus, subassembly such as word wheel is inevitable to have the piece, the burr, impurity such as fragment falls into the word wheel box from the ascending opening of word wheel box, in case fall into just hard to clean up impurity from the word wheel box in, the impurity of staying is very probably wearing and tearing the word wheel in the word wheel box, accurate components such as four eight teeth, thereby reduce water gauge job stabilization nature, shorten its life.

Therefore, the applicant designs a set of brand new assembly equipment which can solve the problem that impurities fall into an opening on the character wheel box during assembly. The whole set of equipment can be divided into three main parts, namely a character wheel feeding device, which is used for conveying a character wheel to a clamping opening with an upward opening of a clamp for clamping; the character wheel box feeding device is used for conveying the character wheel box to enable the character wheel box to be sleeved on the clamp opening of the clamp and the character wheel in a downward opening posture; and the shaft inserting device is used for inserting the wheel shaft from the shaft hole on the side wall of one side of the character wheel box, penetrating all the character wheels and then inserting the wheel shaft into the shaft hole on the other side of the character wheel bin shell. The present application relates to the third part, namely the shaft insertion device of the assembly device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a shaft inserting device for assembling a water meter, which can automatically and accurately complete shaft inserting action.

The technical scheme of the utility model is that the utility model provides a shaft inserting device for water meter assembly, which comprises a vibration disc, a blanking pipe communicated with the vibration disc and a shaft grabbing arm used for transporting a wheel shaft at an outlet of the blanking pipe to a shaft inserting station; the shaft inserting device also comprises a clamp positioned at a shaft inserting station, wherein the clamp opening of the clamp is upward, a row of continuously closed character wheels are clamped in the clamp opening, a character wheel box with a downward opening is sleeved on the clamp opening, and the character wheels are sleeved in the character wheel box; the shaft inserting device further comprises a pressing rod used for pressing the character wheel box on the clamp, a pressing cylinder used for driving the pressing rod, a push rod used for pushing the wheel shaft into a character wheel box shaft hole located at the shaft inserting station, and a shaft inserting cylinder used for driving the push rod.

Compared with the prior art, the shaft inserting device for assembling the water meter with the structure has the following advantages.

The operation of the device is as follows.

Before inserting the shaft, firstly, feeding character wheels, conveying a plurality of character wheels to a clamping opening of a clamp for clamping, and enabling the character wheels to be integrated into a row of character wheels which are continuously closed; then, feeding the character wheel box, and downwards sleeving the opening of the character wheel box on the clamping opening of the clamp and simultaneously covering the character wheel in the clamping opening; the feeding of the character wheels and the character wheel boxes can be implemented by a character wheel automatic feeding device and a character wheel box automatic feeding device respectively, but can also be implemented manually; in summary, the front preparation of the spindle assembly is completed by conveying the print wheel to the nip and fitting the print wheel cartridge.

The shaft inserting device is utilized to carry out formal shaft inserting action, namely wheel shafts are put into the vibration disc in batches, are enabled to be upwards meandered along the disc channel of the vibration disc, and continuously enter the blanking pipe one by one and continue to advance, and the foremost wheel shaft is exposed out of the outlet of the blanking pipe, is grasped by the grasping arm and is conveyed to the position, facing the push rod, on the shaft inserting station; the pressing cylinder is started, the pressing rod is driven to tightly press the character wheel box on the clamp, so that the height direction positioning of the axle hole of the character wheel box is completed, the shaft inserting cylinder is started again, the push rod is driven to push the right axle forward, the axle is pushed into the axle hole in the side wall of the character wheel box, and the shaft inserting assembly is completed.

The analysis shows that the device completes the shaft inserting action automatically and accurately, and the character wheel, the wheel shaft and the character wheel box are assembled into a whole.

Preferably, the shaft inserting device further comprises a first pen-shaped cylinder perpendicular to the outlet of the blanking pipe, and a piston rod of the first pen-shaped cylinder extends out to block the outlet of the blanking pipe so as to prevent the wheel shaft in the blanking pipe from falling; the pen-shaped cylinder is small in energy consumption, low in cost and convenient to assemble, opening and closing of the blanking pipe can be flexibly and stably controlled, and wheel shafts in the blanking pipe can be prevented from falling off after the shaft grabbing arm moves away from an outlet of the blanking pipe.

The grabbing shaft arm preferably comprises a first support, a transverse cylinder and a vertical main cylinder, wherein a cylinder body of the transverse cylinder is fixed on the first support, a movable part of the transverse cylinder is fixed with a cylinder body of the vertical main cylinder, and a movable part of the vertical main cylinder is provided with a pneumatic claw; two semicircular notches are symmetrically arranged on the inner sides of two fingers of the pneumatic claw, and the two semicircular notches are closed to grasp the wheel shaft; like this, the horizontal position of the shaft of carrying is adjusted to horizontal cylinder, and the height of the shaft of carrying is adjusted to vertical master cylinder, and the elasticity degree of gripping shaft is adjusted to the gas claw, and three cylinder concerted action for the shaft of carrying is just moving in a flexible way between the position of blanking pipe export and the position of the push rod just to the assembly station, and the transport of accurate stable completion shaft.

Preferably, the shaft inserting device further comprises a station switching turntable, a plurality of clamps are arranged, and all the clamps are fixed on the station switching turntable; each clamp comprises a fixed block and a base, a base plate is fixed on the base, a clamping block is matched with the base in a sliding mode, a pressure spring is arranged between the clamping block and the base plate, and the clamping block abuts against the fixed block under the action of the pressure spring; the clamping block is provided with a front arc-shaped notch, the fixed block is provided with a rear arc-shaped notch, and the two arc-shaped notches are closed to form a clamping opening with an upward opening and used for clamping the character wheel; in this way, the character wheel boxes are moved at each station by the rotary table, and then the processes of character wheel feeding, character wheel box feeding, shaft inserting and the like are sequentially performed, so that the working stability is high, the labor cost is reduced, and compared with a conveying belt, the occupied area is small, and the space is saved; moreover, the clamp is simple in structure, convenient to prepare and assemble, stable and powerful in upward clamping opening clamping, and good in clamping and bearing effects on the character wheels.

Preferably, the shaft inserting device further comprises a second support, a cylinder body of the downward pressing cylinder is fixed on the second support, a piston rod of the downward pressing cylinder is connected with a sliding table, a pressing plate and a shelf are fixed on the sliding table, the pressing plate is provided with a circular through hole, the shelf is provided with a square through hole, the pressing rod is composed of an upper cylinder, a middle clamping plate and a lower column, the upper cylinder is in sliding fit with the circular through hole of the pressing plate, the lower column is in sliding fit with the square through hole of the shelf, the middle clamping plate is clamped at an upper opening of the square through hole, the upper cylinder is sleeved with a damping pressure spring, the upper end of the damping pressure spring is abutted against the pressing plate, and the lower end of the damping pressure spring is abutted against the middle clamping plate; therefore, when the downward-pressing cylinder drives the sliding table to descend, the pressing plate and the shelf are pressed downward synchronously, but the buffering compression spring is arranged between the pressing rod and the pressing plate, so that the pressing plate is prevented from being in direct rigid contact with the character wheel box, and the character wheel box and the character wheel inside the character wheel box are prevented from being damaged by the excessive violent action of the downward-pressing cylinder; in other words, the pressing structure can gently and stably apply pressure to the character wheel box through the buffer pressure spring and the pressure rod, not only can guarantee the accurate positioning of the height of the character wheel box and the shaft hole, but also can avoid the direct rigid contact and the pressure damage to the character wheel box and the internal precise component.

As a further optimization, a connecting plate is fixed on one side of the shelf, a second pen-shaped air cylinder is installed on the connecting plate, and a piston rod of the second pen-shaped air cylinder is laterally abutted against the axial-insertion position character wheel box; like this, calibrated the horizontal position in character wheel box and shaft hole earlier before the depression bar pushes down, further improved the rate of accuracy that shaft hole and push rod counterpoint, further improved the precision of inserting the axle assembly.

Drawings

Fig. 1 is a schematic view showing the structure of a spindle unit for assembling a water meter according to the present invention.

Fig. 2 is a schematic structural view of the spindle unit for assembling a water meter of the present invention with a work table removed.

Fig. 3 is a schematic structural view of a shaft grasping arm of the shaft inserting device for assembling a water meter according to the present invention.

Fig. 4 is a schematic view of a partial explosion of the hold-down assembly of the spindle assembly for assembly of a water meter according to the present invention.

The device comprises a vibrating disk 1, a vibrating disk 2, a blanking pipe 3, a wheel shaft 4, a clamping opening 5, a character wheel 6, a character wheel box 6.1, a shaft hole 7, a pressure rod 7.1, an upper cylinder 7.2, a middle clamping plate 7.3, a lower column 8, a lower pressure cylinder 9, a push rod 10, an inserting shaft cylinder 11, a first pen-shaped cylinder 12, a first support seat 13, a transverse cylinder 14, a vertical main cylinder 15, a pneumatic claw 16, a station switching rotary table 17, a fixed block 18, a base seat 19, a base plate 20, a clamping block 21, a second support seat 22, a sliding table 23, a pressure plate 24, a shelf plate 25, a damping pressure spring 26, a connecting plate 27, a second pen-shaped cylinder 28, a straight groove 29, a workbench 30, a third support seat 31 and a fourth support seat.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

As shown in fig. 1 to 4, the shaft inserting device for assembling a water meter of the present invention comprises a vibration disk 1 and a blanking pipe 2 communicated with the vibration disk 1. Specifically, the vibrating disc 1 is provided with a disc channel, the tail section of the disc channel is communicated with a straight groove 28, and the straight groove 28 is communicated with the inlet of the blanking pipe 2; the width of the tail section of the coil track is close to the diameter of the single wheel shaft 3; this achieves screening so that the axles 3 enter the straight channel 28 and the down pipe 2 one by one in succession. The outlet of the blanking pipe 2 is provided with a first pen-shaped cylinder 11 perpendicular to the blanking pipe 2, and a piston rod of the first pen-shaped cylinder 11 extends out to block the outlet of the blanking pipe 2 so as to prevent the wheel shaft 3 in the blanking pipe 2 from falling.

The shaft inserting device further comprises a station switching turntable 16, and the station switching turntable 16 is provided with four stations of character wheel feeding, character wheel box feeding, shaft inserting, discharging and the like. Each station is provided with a clamp. Each clamp comprises a fixed block 17 and a base 18, a base plate 19 is fixed on the base 18, a clamping block 20 is slidably matched with the base 18, a pressure spring is arranged between the clamping block 20 and the base plate 19, and the clamping block 20 is abutted against the fixed block 17 under the action of the pressure spring; the clamping block 20 is provided with a front arc-shaped notch, the fixing block 17 is provided with a rear arc-shaped notch, and the two arc-shaped notches are closed to form a clamping opening 4 with an upward opening and used for clamping the character wheel 5. A row of character wheels 5 which are continuously closed are clamped in a clamping opening 4 of a clamp positioned at an inserting shaft station, a character wheel box 6 with a downward opening is sleeved on the clamping opening 4, and the character wheels 5 are also sleeved in the character wheel box 6.

The shaft inserting device also comprises a pressing rod 7 for pressing the character wheel box 6 positioned at the shaft inserting station on the clamp and a pressing cylinder 8 for driving the pressing rod 7. Specifically, the shaft inserting device further comprises a second support 21, a cylinder body of a lower air cylinder 8 is fixed on the second support 21, a piston rod of the lower air cylinder 8 is connected with a sliding table 22, a pressing plate 23 and a shelf 24 are fixed on the sliding table 22, the pressing plate 23 is provided with a round through hole, the shelf 24 is provided with a square through hole, the pressing rod 7 comprises an upper cylinder 7.1, a middle clamping plate 7.2 and a lower column 7.3, the upper cylinder 7.1 is in sliding fit with the round through hole of the pressing plate 23, the lower column 7.3 is in sliding fit with the square through hole of the shelf 24, the middle clamping plate 7.2 is clamped at an upper opening of the square through hole, the upper cylinder 7.1 is sleeved with a damping pressure spring 25, the upper end of the damping pressure spring 25 is tightly abutted to the pressing plate 23, and the lower end of the damping pressure spring 25 is tightly abutted to the middle clamping plate 7.2. A connecting plate 26 is fixed on one side of the shelf 24, a second pen-shaped air cylinder 27 is installed on the connecting plate 26, and a piston rod of the second pen-shaped air cylinder 27 laterally abuts against and is sleeved on the character wheel box 6 on the shaft inserting station clamp.

The shaft inserting device also comprises a shaft grabbing arm, and the shaft grabbing arm can grab and convey the wheel shaft 3 extending out of the outlet of the blanking pipe 2 to a shaft inserting station, so that the wheel shaft 3 is opposite to the shaft hole 6.1 of the character wheel box 6 sleeved on the shaft inserting station clamp. The shaft grabbing arm comprises a first support 12, a transverse air cylinder 13 and a vertical main air cylinder 14, wherein a cylinder body of the transverse air cylinder 13 is fixed on the first support 12, a movable part of the transverse air cylinder 13 is fixed with a cylinder body of the vertical main air cylinder 14, and a movable part of the vertical main air cylinder 14 is provided with an air claw 15; two semicircular notches are symmetrically formed in the inner sides of two fingers of the pneumatic claw 15 and are closed to grasp the wheel shaft 3.

The shaft inserting device also comprises a push rod 9 used for pushing the wheel shaft 3 into a shaft hole 6.1 of the character wheel box 6 positioned at the shaft inserting station and a shaft inserting cylinder 10 used for driving the push rod 9.

The apparatus also includes a table 29 for mounting and support, each of which is mounted directly or indirectly to the table 29. If the station switching turntable 16 is rotatably arranged on the workbench 29; the vibratory pan 1 is also mounted on a table 29. The first support 12 of the gripper arm and the second support 21 of the push-down cylinder 8 are also fixed on the table 29, wherein a fixed column is provided in the center of the station switching turntable 16, and the fixed column is fixed with the table 29, and the second support 21 is fixed on the fixed column. The workbench 29 is also provided with a third support 30 and a fourth support 31; the first pen cylinder 11 is fixed to the third support 30, and the spindle cylinder 10 is fixed to the fourth support 31.

Of course, as can be seen from the common knowledge, the shaft inserting device also comprises a main controller such as a PLC chip, and all the air cylinders, the air claws, the rotating disc and the vibrating disc of the device are in signal connection with the main controller.

Claims

1. An inserting shaft device for assembling a water meter comprises a vibrating disk (1), a blanking pipe (2) communicated with the vibrating disk (1), and a shaft grabbing arm used for transporting a wheel shaft (3) at the outlet of the blanking pipe (2) to an inserting shaft station; the method is characterized in that: the shaft inserting device also comprises a clamp positioned at a shaft inserting station, a clamp opening (4) of the clamp faces upwards, a row of continuously closed character wheels (5) are clamped in the clamp opening (4), a character wheel box (6) with a downward opening is sleeved on the clamp opening (4), and the row of character wheels (5) are also sleeved in the character wheel box (6); the shaft inserting device further comprises a pressing rod (7) used for pressing the character wheel box (6) on the clamp, a pressing cylinder (8) used for driving the pressing rod (7), a push rod (9) used for pushing the wheel shaft (3) into a shaft hole (6.1) of the character wheel box (6) located at a shaft inserting station, and a shaft inserting cylinder (10) used for driving the push rod (9).

2. A spindle unit for assembly of a water meter as claimed in claim 1, further comprising: the wheel axle device also comprises a first pen-shaped cylinder (11) perpendicular to the outlet of the blanking pipe (2), and a piston rod of the first pen-shaped cylinder (11) plugs the outlet of the blanking pipe (2) after extending out so as to prevent the wheel axle (3) in the blanking pipe (2) from falling.

3. A spindle assembly for assembly of a water meter, as set forth in claim 1, wherein: the shaft grabbing arm comprises a first support (12), a transverse cylinder (13) and a vertical main cylinder (14), a cylinder body of the transverse cylinder (13) is fixed on the first support (12), a movable part of the transverse cylinder (13) is fixed with a cylinder body of the vertical main cylinder (14), and a movable part of the vertical main cylinder (14) is provided with an air claw (15); two semicircular notches are symmetrically formed in the inner sides of two fingers of the pneumatic claw (15), and the two semicircular notches are closed to grasp the wheel shaft (3).

4. A spindle unit for assembly of a water meter as claimed in claim 1, further comprising: the device also comprises a station switching turntable (16), a plurality of clamps are arranged, and all the clamps are fixed on the station switching turntable (16); each clamp comprises a fixed block (17) and a base (18), a base plate (19) is fixed on the base (18), a clamping block (20) is arranged on the base (18) in a sliding fit mode, a pressure spring is arranged between the clamping block (20) and the base plate (19), and the clamping block (20) abuts against the fixed block (17) under the action of the pressure spring; the clamping block (20) is provided with a front arc-shaped notch, the fixing block (17) is provided with a rear arc-shaped notch, and the two arc-shaped notches are closed to form a clamping opening (4) with an upward opening and used for clamping the character wheel (5).

5. A spindle assembly for assembly of a water meter, as set forth in claim 1, wherein: the novel pressure-reducing cylinder comprises a second support (21), a pressure-reducing cylinder body (8) is fixed on the second support (21), a piston rod of the pressure-reducing cylinder (8) is connected with a sliding table (22), a pressure plate (23) and a shelf (24) are fixed on the sliding table (22), the pressure plate (23) is provided with a round through hole, the shelf (24) is provided with a square through hole, a pressure rod (7) is composed of an upper cylinder (7.1), a middle clamping plate (7.2) and a lower cylinder (7.3), the upper cylinder (7.1) is in sliding fit with the round through hole of the pressure plate (23), the lower cylinder (7.3) is in sliding fit with the square through hole of the shelf (24), the middle clamping plate (7.2) is clamped at the upper opening of the square through hole, the upper cylinder (7.1) is sleeved with a shock-reducing pressure spring (25), the upper end of the shock-reducing pressure spring (25) is tightly abutted against the pressure plate (23), and the lower end of the middle clamping plate (7.2) is tightly abutted against the middle clamping plate.

6. A spindle assembly for assembly of a water meter as set forth in claim 5, wherein: a connecting plate (26) is fixed on one side of the shelf (24), a second pen-shaped air cylinder (27) is installed on the connecting plate (26), and a piston rod of the second pen-shaped air cylinder (27) is laterally abutted against the insert shaft I-position character wheel box (6).