Valve lead locking device of ultrasonic gas meter

Abstract

The utility model relates to a valve lead locking device of an ultrasonic gas meter. The valve lead locking device comprises a base. The nut conveying device, the nut pushing device and the nut locking device are fixedly arranged on the base; the nut conveying device comprises a vibration disc used for screening and conveying nuts. The flow guide groove is connected with the vibration disc and used for conveying the nuts screened out of the vibration disc; the discharging part is communicated with the flow guide groove and is used for removing the accumulated nuts; the nut assembling device is simple in structure, the nut conveying device, the nut pushing device and the nut locking device are arranged to be matched with one another, so that the assembling automation degree of the whole nut, the valve binding post and the metering module binding post is high, the nut pushing device is used for pushing the nuts in sequence, and the assembling efficiency is improved. And then the nut is rotated and adsorbed into the adsorption head through the nut locking device, so that the nut is screwed into the valve binding post and the metering module binding post, and the assembly is smoother.

Description

Technical Field

[0001] The utility model belongs to the technical field of ultrasonic gas meter accessories, and particularly relates to a valve lead locking device for an ultrasonic gas meter. Background Art

[0002] Due to its advantages such as good stability, high measurement accuracy, wide range ratio, low maintenance rate, small pressure loss, and convenient installation, the ultrasonic gas meter is gradually replacing the traditional mechanical gas flowmeter and is widely used in gas flow detection.

[0003] The valve and the metering module in the ultrasonic gas meter are the core components of the ultrasonic gas meter. During the processing or process of the ultrasonic gas meter, it is necessary to connect the valve and the metering module to the main control circuit board through wires. The wires need to pass through the ultrasonic housing, and there are terminal posts on the ultrasonic housing. After the wires pass through the terminal posts, the terminal posts are locked with nuts to position and lock the wires. Usually, the process of connecting the nuts to the terminal posts is carried out manually, which is boring for manual assembly workers, easy to fatigue, has a high labor input cost, and at the same time has problems such as poor product consistency.

[0004] In view of the above problems, it is necessary to improve it. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a valve lead locking device for an ultrasonic gas meter with a simple structure, ingenious design, accurate positioning, and high automation degree.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: a valve lead locking device for an ultrasonic gas meter, including a base; a nut conveying device, a nut pushing device, and a nut locking device fixedly arranged on the base; the nut conveying device includes a vibrating disk for screening and conveying nuts; a diversion groove connected to the vibrating disk for conveying the nuts screened out from the vibrating disk; and a discharging part connected to the diversion groove for removing the accumulated nuts.

[0007] As a preferred scheme of the utility model, the nut pushing device includes a horizontal plate and a support plate; the support plate is vertically and fixedly arranged at the end of the horizontal plate. A driving cylinder is fixedly arranged on one side of the support plate close to the vibrating disk, and a guide seat is fixedly arranged on the other side of the support plate. The top of the guide seat is connected to the discharging part. A driving block is fixedly arranged on the driving shaft of the driving cylinder; a nut pushing block is fixedly arranged on the driving block. The nut pushing block sequentially passes through the support plate and the guide seat. The driving cylinder drives the nut pushing block to move along the length direction of the positioning plate to push the nuts output from the discharging part to the position of the nut locking device.

[0008] As a preferred embodiment of the present utility model, a material distribution groove with an opening facing the nut locking device is formed on the nut pushing block; a material distribution guiding groove is formed at the front end of the material distribution groove, and the material distribution groove is communicated with the material distribution guiding groove.

[0009] As a preferred embodiment of the present utility model, guiding inclined surfaces are formed on both sides of the opening end of the material distribution guiding groove, and the guiding inclined surfaces on both sides are in a horn-shaped structure.

[0010] As a preferred embodiment of the present utility model, the nut pushing block is vertically arranged with the discharging part.

[0011] As a preferred embodiment of the present utility model, the nut locking device includes a locking positioning plate, a locking connecting seat fixed on the locking positioning plate, a Z-axis servo motor fixed at the bottom of the locking connecting seat, and a mounting block fixed at the top of one end of the locking connecting seat close to the Z-axis servo motor; a stop block is fixed at the other end of the locking connecting seat; a rotating shaft is connected between the mounting block and the stop block; a slider is slidably connected to the rotating shaft; the rotating shaft is driven to rotate by the Z-axis servo motor.

[0012] As a preferred embodiment of the present utility model, a support block is vertically fixed on one side of the top of the slider close to the Z-axis servo motor, and an intelligent electric screwdriver is fixed on the support block, and the intelligent electric screwdriver is arranged corresponding to the Z-axis servo motor.

[0013] As a preferred embodiment of the present utility model, the main shaft of the intelligent electric screwdriver passes through the support block to connect the adsorption mechanism; the main shaft of the intelligent electric screwdriver for driving the nut to rotate extends into the adsorption mechanism to control the torque size and the number of locking turns of the nut.

[0014] As a preferred embodiment of the present utility model, the adsorption mechanism includes a sleeve, a vacuum suction nozzle seat and an adsorption head; the sleeve is sleeved on the main shaft, and the vacuum suction nozzle seat is connected to the sleeve; an adsorption cavity matching the outer end of the nut is formed in the adsorption head.

[0015] As a preferred embodiment of the present utility model, a vacuum suction air nozzle is connected to the vacuum suction nozzle seat, and the vacuum suction air nozzle is connected to a vacuum pump.

[0016] The beneficial effects of the present utility model are:

[0017] The structure of the utility model is simple. Through the mutual cooperation among the nut conveying device, the nut pushing device and the nut locking device, the automation degree of the assembly of the whole nut with the valve terminal and the metering module terminal is high. The characteristics of the nut structure are fully utilized. Multiple nuts are arranged and conveyed orderly by the nut conveying device. The nut pushing device is used to push the nuts in sequence, and then the nut locking device rotates and adsorbs the nuts into the adsorption head, so as to screw the nuts onto the valve terminal and the metering module terminal, making the assembly smoother; the action implementation is simple, the positioning is accurate, fast and reliable, and the assembly consistency is good. Brief Description of the Drawings

[0018] Figure 1 Fig. is a schematic structural diagram of the valve lead locking device of the ultrasonic gas meter according to the embodiment of the utility model;

[0019] Figure 2 Fig. is a schematic structural diagram of the conveying mechanism according to the embodiment of the utility model;

[0020] Figure 3 Fig. is an assembly schematic diagram of the nut pushing device and the nut locking device according to the embodiment of the utility model;

[0021] Figure 4 Fig. is an embodiment of the utility model Figure 3 Partial enlarged view in the direction A;

[0022] Figure 5 Fig. is a usage state diagram of the nut locking device according to the embodiment of the utility model;

[0023] In the figure, reference numerals: nut conveying device 1, nut pushing device 2, nut locking device 3, base 4, adsorption mechanism 5, conveying mechanism 6, valve terminal 7, metering module terminal 8, wire 9, vibrating disk 10, diversion groove 11, discharging part 12, horizontal plate 20, support plate 21, driving shaft 22, driving block 23, nut pushing block 24, guiding seat 25, driving cylinder 26, material distribution groove 27, material distribution guiding groove 28, guiding inclined plane 28-1, locking positioning plate 30, locking connecting seat 31, Z-axis servo motor 32, mounting block 33, stop block 34, rotating shaft 35, slider 36, support block 40, intelligent electric screwdriver 41, main shaft 42, sleeve 50, vacuum suction nozzle seat 51, adsorption head 52, vacuum suction nozzle 53, adsorption cavity 54, nut 100, gas meter workpiece 300. Detailed Embodiment

[0024] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0026] Embodiment:

[0027] As Figure 1 shown, wherein, Figure 1 is a schematic structural diagram of a valve lead locking device of an ultrasonic gas meter according to an embodiment of the present utility model; a valve lead locking device of an ultrasonic gas meter includes a base 4; a nut conveying device 1, a nut pushing device 2, and a nut locking device 3 fixedly arranged on the base 4; the nut conveying device 1 includes a vibrating disk 10 for screening and conveying nuts 100; a diversion groove 11 connected to the vibrating disk 10 for conveying the nuts 100 screened out from the vibrating disk 10; and a discharging part 12 communicated with the diversion groove 11 for removing the piled-up nuts 100.

[0028] The structure of the present utility model is simple. Through the mutual cooperation among the nut conveying device 1, the nut pushing device 2, and the nut locking device 3, the assembly automation degree of the whole nut 100 with the valve terminal 7 and the metering module terminal 8 is high, and the characteristics of the nut 100 structure are fully utilized. Multiple nuts 100 are arranged and conveyed orderly in the nut conveying device 1, and the nut pushing device 2 is used to push the nuts 100 in sequence. Then, the nut locking device 3 rotates and adsorbs the nuts into the adsorption head, so as to screw the nuts 100 onto the valve terminal 7 and the metering module terminal 8, making the assembly smoother; the action implementation is simple, the positioning is accurate, it is fast and reliable, and the assembly consistency is good.

[0029] As Figure 2-3 shown, wherein, Figure 2 is a schematic structural diagram of a conveying mechanism according to an embodiment of the present utility model; Figure 3This is an assembly schematic diagram of the nut pushing device and the nut locking device in the embodiment of the present utility model; specifically, the nut pushing device 2 includes a horizontal plate 20 and a support plate 21; the support plate 21 is vertically fixed at the end of the horizontal plate 20, a driving cylinder 26 is fixedly arranged on one side of the support plate 21 close to the vibrating plate 10, a guiding seat 25 is fixedly arranged on the other side of the support plate 21, the top of the guiding seat 25 is communicated with the discharging part 12, and a driving block 23 is fixedly arranged on the driving shaft 22 of the driving cylinder 26; a nut pushing block 24 is fixedly arranged on the driving block 23, the nut pushing block 24 sequentially passes through the support plate 21 and the guiding seat 25, and the driving cylinder 21 drives the nut pushing block 24 to move along the length direction of the positioning plate 20 to push the nut 100 output by the discharging part 12 to the position of the nut locking device 3.

[0030] The provided nut pushing device 2 is used to push the nut 100 output by the discharging part 12 to a specified area. This nut pushing device 2 can achieve full-automatic pushing, improve the nut pushing efficiency, reduce labor costs, and is easy to operate.

[0031] As Figure 4 shown, Figure 4 This is a partial enlarged view in the A direction of the embodiment of the present utility model Figure 3 ; a material distribution groove 27 with an opening facing the nut locking device 3 is formed on the nut pushing block 24; a material distribution guiding groove 28 is formed at the front end of the material distribution groove 27, and the material distribution groove 27 is communicated with the material distribution guiding groove 28.

[0032] Among them, the inner diameter of the material distribution groove 27 matches the outer diameter of the nut 100. It should be said that the inner diameter of the material distribution groove 27 is slightly larger than the outer diameter of the nut 100, and the height of the material distribution groove 27 corresponds to the outer diameter of the nut 100. This enables the nut 100 to fall from the discharging part 12 into the material distribution groove 27 of the nut pushing block 24, having the characteristic of accurate positioning.

[0033] The provided material distribution guiding groove 28 is for the convenience of the suction head 52 of the nut locking device 3 to adsorb the nut 100, and is used to improve the assembly efficiency; guiding inclined surfaces 28-1 are formed on both sides of the opening end of the material distribution guiding groove 28, and the two guiding inclined surfaces 28-1 on both sides are in a horn-shaped structure; adopting the above scheme makes it more convenient to adsorb the nut 100 located in the material distribution groove 27 by the suction head 52, increases the contact area between the suction head 52 and the guiding inclined surface 28-1, and makes the adsorption and movement safer.

[0034] The nut pushing block 24 is vertically arranged with the discharging part 12; that is, the driving direction of the driving cylinder 21 is perpendicular to the discharging part 12 and intersects at the guiding seat 25 to accurately push the nut at the end of the discharging part 12 to the specified area.

[0035] As Figure 5 shown, Figure 5This is the usage state diagram of the nut locking device in the embodiment of the present utility model; the nut locking device 3 includes a locking positioning plate 30, a locking connection seat 31 fixedly arranged on the locking positioning plate 30, a Z-axis servo motor 32 fixedly arranged at the bottom of the locking connection seat 31, and a mounting block 33 fixedly arranged at the top of one end of the locking connection seat 31 close to the Z-axis servo motor 32; a stop block 34 is fixedly arranged at the other end of the locking connection seat 31; a rotating shaft 35 is connected between the mounting block 33 and the stop block 34; a slider 36 is slidably connected to the rotating shaft 35; the rotating shaft 35 is driven to rotate by the Z-axis servo motor 32.

[0036] Specifically, a driving wheel 37 is installed on the Z-axis servo motor 32, the rotating shaft 35 passes through the mounting block 33 and is connected with a rotating wheel 38, and the driving wheel 37 and the rotating wheel 38 are connected by a belt 39.

[0037] A support block 40 is vertically and fixedly arranged on one side of the top of the slider 36 close to the Z-axis servo motor 32, an intelligent electric screwdriver 41 is fixedly arranged on the support block 40, and the intelligent electric screwdriver 41 is arranged corresponding to the Z-axis servo motor 32; the main shaft 42 of the intelligent electric screwdriver 41 passes through the support block 40 and is connected with an adsorption mechanism 5; the main shaft 42 of the intelligent electric screwdriver 41 for driving the nut 100 to rotate extends into the adsorption mechanism 5 to control the torque and the number of locking turns of the nut 100.

[0038] The adsorption mechanism 5 includes a sleeve 50, a vacuum suction nozzle seat 51 and an adsorption head 52; the sleeve 50 is sleeved on the main shaft 42, and the vacuum suction nozzle seat 51 is connected to the sleeve 50; an adsorption cavity 54 matching the outer end of the nut 100 is formed in the adsorption head 52; by controlling the torque and the number of locking turns of the nut 100 by the intelligent electric screwdriver 41, the locking depth of the nut 100 is controlled, and the locking accuracy of the nut 100 is improved. Therefore, the present utility model is convenient to control the locking depth of the nut 100, thereby improving the accuracy when the nut 100 is locked, and because of adopting vacuum adsorption, there is no requirement for the material of the nut 100, and it has a wide application.

[0039] A vacuum suction air nozzle 53 is connected to the vacuum suction nozzle seat 51, and the vacuum suction air nozzle 53 is connected to a vacuum pump; through the connection of the vacuum pump and the vacuum suction air nozzle 53, the nut 100 is adsorbed. At the same time, an adsorption cavity 54 matching the outer end of the nut 100 is formed in the adsorption head 52, and the adsorption cavity 54 is used to position the nut 100, avoiding the shaking of the nut 100 during the adsorption process, and further affecting the safety of movement.

[0040] A method for locking the valve lead of an ultrasonic gas meter is as follows:

[0041] Step 1: Through a conveying mechanism 6, the valve terminal 7 on the gas meter workpiece 300 to be processed is conveyed and positioned.

[0042] Step 2: Use the nut conveying device 1 to orderly arrange and convey multiple nuts 100;

[0043] Step 3: Use the provided diversion groove 11 to convey the nuts 100 screened out from the vibrating disk 10;

[0044] Step 4: Rotate the nut locking device 3 and simultaneously open the vacuum suction nozzle to suck the nut 100 from the distribution groove 27 of the nut pusher 24 into the suction head 52;

[0045] Step 5: Drive the slider 36 to move by the Z-axis servo motor 32, so that the nut locking device 3 retracts from the distribution groove 27, and the nut pusher 24 returns through the driving cylinder 21;

[0046] Step 6: Manually pass the wire 9 through the nut 100 and place it inside the adsorption cavity 54;

[0047] Step 7: Drive the slider 36 to move by the Z-axis servo motor 32, move the suction head 52 of the adsorption mechanism 5 to the valve terminal 7, align the nut 100 with the external thread of the valve terminal 7, and the intelligent electric screwdriver 41 controls the spindle 42 to rotate according to the set program, so as to screw the nut 100 onto the valve terminal 7;

[0048] Step 8: Use the conveying mechanism 6 to convey and position the metering module terminal 8 on the gas meter workpiece 300 to be processed;

[0049] Step 9: Repeat Steps 2 - 6;

[0050] Step 10: Drive the slider 36 to move by the Z-axis servo motor 32, move the suction head 52 of the adsorption mechanism 5 to the metering module terminal 8, align the nut 100 with the external thread of the metering module terminal 8, and the intelligent electric screwdriver 41 controls the spindle 42 to rotate according to the set program, so as to screw the nut 100 onto the metering module terminal 8;

[0051] Step 11: Drive the slider 36 to move by the Z-axis servo motor 32 to reset the entire adsorption mechanism 5;

[0052] Step 12: Use the conveying mechanism 6 to move the processed gas meter workpiece 300 to the next process.

[0053] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

[0054] Although the terms such as nut conveying device 1, nut pushing device 2, nut locking device 3, base 4, adsorption mechanism 5, conveying mechanism 6, valve terminal 7, metering module terminal 8, wire 9, vibrating bowl 10, diversion groove 11, discharging part 12, horizontal plate 20, support plate 21, drive shaft 22, drive block 23, nut pushing block 24, guide seat 25, drive cylinder 26, material distribution groove 27, material distribution guide groove 28, guide inclined plane 28-1, locking positioning plate 30, locking connection seat 31, Z-axis servo motor 32, mounting block 33, stop block 34, rotating shaft 35, slider 36, support block 40, intelligent electric screwdriver 41, main shaft 42, sleeve 50, vacuum suction nozzle seat 51, suction head 52, vacuum suction nozzle 53, adsorption cavity 54, nut 100, gas meter workpiece 300 are used more frequently herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the essence of the present utility model; interpreting them as any additional limitation is contrary to the spirit of the present utility model.

Claims

1. A valve lead locking device for an ultrasonic gas meter, characterized in that: It includes a base (4); a nut conveying device (1), a nut pushing device (2) and a nut locking device (3) fixedly arranged on the base (4); The nut conveying device (1) includes a vibrating bowl (10) for screening and conveying nuts (100); a diversion chute (11) connected to the vibrating bowl (10) for conveying the nuts (100) screened out from the vibrating bowl (10); a discharging part (12) communicated with the diversion chute (11) for removing the piled-up nuts (100).

2. The valve lead locking device of an ultrasonic gas meter according to claim 1, characterized in that: The nut pushing device (2) includes a horizontal plate (20) and a support plate (21); the support plate (21) is vertically arranged at the end of the horizontal plate (20). A driving cylinder (26) is fixedly arranged on one side of the support plate (21) close to the vibrating bowl (10), and a guide seat (25) is fixedly arranged on the other side of the support plate (21). The top of the guide seat (25) is communicated with the discharging part (12). A driving block (23) is fixedly arranged on the driving shaft (22) of the driving cylinder (26); a nut pushing block (24) is fixedly arranged on the driving block (23). The nut pushing block (24) sequentially passes through the support plate (21) and the guide seat (25). The driving cylinder (26) drives the nut pushing block (24) to move along the length direction of the horizontal plate (20) to push the nuts (100) output by the discharging part (12) to the position of the nut locking device (3).

3. The valve lead locking device of an ultrasonic gas meter according to claim 2, characterized in that: A material distribution groove (27) with an opening facing the nut locking device (3) is formed on the nut pushing block (24); a material distribution guiding groove (28) is formed at the front end of the material distribution groove (27), and the material distribution groove (27) is communicated with the material distribution guiding groove (28).

4. The valve lead locking device of an ultrasonic gas meter according to claim 3, characterized in that: Guiding inclined surfaces (28-1) are formed on both sides of the open end of the material distribution guiding groove (28), and the guiding inclined surfaces (28-1) on both sides are in a horn-shaped structure.

5. The valve lead locking device of an ultrasonic gas meter according to claim 2, characterized in that: The nut pushing block (24) is vertically arranged with the discharging part (12).

6. The valve lead locking device of an ultrasonic gas meter according to claim 1, characterized in that: The nut locking device (3) includes a locking positioning plate (30), a locking connection seat (31) fixedly arranged on the locking positioning plate (30), a Z-axis servo motor (32) fixedly arranged at the bottom of the locking connection seat (31), and a mounting block (33) fixedly arranged at the top of one end of the locking connection seat (31) close to the Z-axis servo motor (32); a stop block (34) is fixedly arranged at the other end of the locking connection seat (31); a rotating shaft (35) is connected between the mounting block (33) and the stop block (34); a sliding block (36) is slidably connected to the rotating shaft (35); the rotating shaft (35) is driven to rotate by the Z-axis servo motor (32).

7. The valve lead locking device of an ultrasonic gas meter according to claim 6, characterized in that: A support block (40) is vertically and fixedly arranged on one side of the top of the sliding block (36) close to the Z-axis servo motor (32), and an intelligent electric screwdriver (41) is fixedly arranged on the support block (40). The intelligent electric screwdriver (41) is arranged corresponding to the Z-axis servo motor (32).

8. The valve lead locking device of an ultrasonic gas meter according to claim 7, characterized in that: The main shaft (42) of the intelligent electric screwdriver (41) passes through the support block (40) to connect an adsorption mechanism (5); the main shaft (42) of the intelligent electric screwdriver (41) for driving the nut (100) to rotate extends into the adsorption mechanism (5) to control the torque and the number of locking turns of the nut (100).

9. The valve lead locking device of an ultrasonic gas meter according to claim 8, characterized in that: The adsorption mechanism (5) includes a sleeve (50), a vacuum suction nozzle seat (51) and an adsorption head (52); the sleeve (50) is sleeved on the main shaft (42), and the vacuum suction nozzle seat (51) is connected to the sleeve (50); an adsorption cavity (54) matching the outer end of the nut (100) is formed in the adsorption head (52).

10. The valve lead locking device of an ultrasonic gas meter according to claim 9, characterized in that: A vacuum suction air nozzle (53) is connected to the vacuum suction nozzle seat (51), and the vacuum suction air nozzle (53) is docked with a vacuum pump.

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