CN217035579U

CN217035579U - Assembling device for graphite anode and anode lead joint of electronic tube

Info

Publication number: CN217035579U
Application number: CN202220849607.7U
Authority: CN
Inventors: 夏昕; 李柄林; 王珏
Original assignee: Jinzhou Huaguang Electronic Tube Co ltd
Current assignee: Jinzhou Huaguang Electronic Tube Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-22
Anticipated expiration: 2032-04-14

Abstract

A device for assembling a graphite anode of an electronic tube and an anode lead connector comprises a rack, wherein a threaded hole extending along the front-back direction is formed in one side of the rack, a screw rod is arranged in the threaded hole, a first driving mechanism for driving the screw rod to rotate is arranged on the rack, and a drill chuck and a screw tap are fixedly arranged at the front end of the screw rod; a transmission rod extending along the front-back direction is rotatably installed on the other side of the rack, a second driving mechanism for driving the transmission rod to rotate is installed on the rack, clamping jaws distributed in the circumferential direction are arranged at the front part of the transmission rod, a taper sleeve is sleeved on the transmission rod behind the clamping jaws, and a third driving mechanism for driving the taper sleeve to move back and forth is installed on the rack; the front part of the frame is hinged with a swing arm which rotates left and right, and the rear end surface of the action end of the swing arm is fixedly provided with a positioning shaft which extends along the front-back direction. It can improve the precision height to the screw that the graphite anode drilled out, makes graphite anode and positive pole lead connector assemble accurately, easily says the power of accuse assembly positive pole lead connector, avoids hindering positive pole lead connector because of too big clamp of power way.

Description

Assembling device for graphite anode and anode lead joint of electronic tube

Technical Field

The utility model relates to electron tube production equipment, in particular to an assembling device for a graphite anode and an anode lead joint of an electron tube.

Background

The graphite anode and the anode lead connector are important components of the electronic tube, and during assembly, a screw hole needs to be drilled at the rear end of the graphite anode, and the anode lead connector is installed in the screw hole at the rear end of the graphite anode through threads. The traditional graphite anode adopts electric drill manual drilling, and adopts pliers to manually install the anode lead connector, the manual drilling precision is poor, the graphite anode and the anode lead connector are not accurately assembled, the manual assembly of the anode lead connector is difficult to control, and the anode lead connector is easily damaged by too much force.

Disclosure of Invention

The utility model aims to solve the technical problems and provides an assembling device for a graphite anode and an anode lead connector of an electronic tube, which can improve the precision of a screw hole drilled in the graphite anode, ensure that the graphite anode and the anode lead connector are accurately assembled, easily control the force of assembling the anode lead connector and avoid damaging the anode lead connector due to too large force.

The technical solution of the utility model is as follows:

the utility model provides an electron tube graphite anode and anode lead wire connector assembly quality, includes the frame, and its characterized in that: a threaded hole extending along the front-back direction is formed in one side of the machine frame, a screw rod penetrates through the threaded hole through threads, a first driving mechanism for driving the screw rod to rotate is installed on the machine frame, a drill chuck is fixedly installed at the front end of the screw rod, and a screw tap is clamped at the front end of the drill chuck; a transmission rod extending in the front-back direction is rotatably installed on the other side of the rack, a second driving mechanism for driving the transmission rod to rotate is installed on the rack, clamping jaws distributed in the circumferential direction are arranged at the front of the transmission rod, each clamping jaw is rotatably installed with the transmission rod, a taper sleeve with a conical surface at the front end is sleeved behind the clamping jaws on the transmission rod, and a third driving mechanism for driving the taper sleeve to move back and forth is installed on the rack; the front part of the frame is hinged with a swing arm which rotates left and right, and a positioning shaft which extends along the front and back direction is fixedly arranged on the rear end surface of the action end of the swing arm.

Furthermore, the first driving mechanism is composed of a first motor fixedly mounted on the frame, a positioning block fixedly mounted on an output shaft of the first motor, guide holes circumferentially distributed on the positioning block, and guide rods circumferentially distributed at the rear end of the screw rod, and the guide rods are inserted into the corresponding guide holes.

Furthermore, a limit disc is arranged on the screw rod, limit switches electrically connected with the motor are fixedly arranged in front of and behind the limit disc on the frame respectively, and the two limit switches control the stroke of the screw rod.

Furthermore, the second driving mechanism is composed of a second motor fixedly installed on the rack and a belt transmission mechanism connected between an output shaft end of the second motor and the transmission rod.

Furthermore, the third driving mechanism is composed of an annular groove formed in the outer circular surface of the taper sleeve, a shifting fork which is installed on the rack in a front-back rotating mode and a cylinder connected between the driving end of the shifting fork and the rack, and the actuating end of the shifting fork is clamped in the annular groove.

Furthermore, limit stoppers are fixedly arranged on the left side and the right side of the swing arm on the machine frame respectively, and the swing arm abuts against the positioning stoppers, so that the positioning shafts on the swing arm are coaxial with the screw rod or the transmission rod respectively.

The utility model has the beneficial effects that:

1. with graphite anode by the back on the preceding cover location axle at swing arm action end, rotate the swing arm and make graphite anode coaxial with the screw tap to rotate through a actuating mechanism drive lead screw, under the screw thread effect between the screw hole in lead screw and the frame, pivoted screw tap antedisplacement, and then drill out the screw of high accuracy with graphite anode rear end, make graphite anode and positive pole lead connector assemble more accurately.

2. The swing arm is rotated to enable the graphite anode to be coaxial with the transmission rod, the third driving mechanism drives the taper sleeve to move forwards, the tail end of each clamping jaw rotates outwards under the effect of the taper sleeve conical surface, the front end of each clamping jaw rotates inwards to clamp the anode lead connector, the second driving mechanism is started to drive the transmission rod to rotate, the clamped anode lead connector is driven to rotate, meanwhile, the graphite anode is held by hands to move backwards, the rotated anode lead connector rotates into a screw hole in the rear end of the graphite anode, assembly operation is completed, the clamping jaws are driven to circumferentially clamp the anode lead connector through the taper sleeve, force for assembling the anode lead connector is easy to control, and damage to the anode lead connector due to excessive force is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a view showing an installation structure of the lead screw of FIG. 1;

FIG. 3 is a view showing the construction of the mounting of the driving rod of FIG. 1;

FIG. 4 is a right side view of the swing arm of FIG. 1;

in the figure: 1-a rack, 2-a threaded hole, 3-a screw rod, 4-a first motor, 5-a positioning block, 6-a guide hole, 7-a guide rod, 8-a drill chuck, 9-a screw tap, 10-a limiting disc, 11-a limiting switch, 12-a transmission rod, 13-a second motor, 14-a belt transmission mechanism, 15-a clamping jaw, 16-a taper sleeve, 17-an annular groove, 18-a shifting fork, 19-an air cylinder, 20-a swing arm, 21-a positioning shaft and 22-a limiting stop.

Detailed Description

As shown in fig. 1-4, an assembly apparatus for assembling an anode of valve graphite with an anode lead tab comprises a frame 1, a threaded hole 2 extending along the front-back direction is arranged at the right side of the frame 1, a screw rod 3 is arranged in the threaded hole 2 in a penetrating way through threads, a first driving mechanism for driving the screw rod 3 to rotate is arranged on the frame 1, the first driving mechanism is composed of a first motor 4 fixedly arranged on the frame 1, a positioning block 5 fixedly arranged on an output shaft of the first motor 4, guide holes 6 circumferentially distributed on the positioning block 5 and guide rods 7 circumferentially distributed at the rear end of the screw rod 3, the guide rods 7 are inserted into the corresponding guide holes 6, a drill chuck 8 is fixedly arranged at the front end of the screw rod 3, a screw tap 9 is clamped at the front end of the drill chuck 8, a limiting disc 10 is arranged on the screw rod 3, limit switches 11 electrically connected with the motor are respectively and fixedly arranged in front of and behind the limit disc 10 on the frame 1; a transmission rod 12 extending along the front-back direction is rotatably arranged at the left side of the machine frame 1, a second driving mechanism for driving the transmission rod 12 to rotate is arranged on the machine frame 1, the second driving mechanism consists of a second motor 13 fixedly arranged on the frame 1 and a belt transmission mechanism 14 connected between the output shaft end of the second motor 13 and the transmission rod 12, the front part of the transmission shaft is provided with clamping jaws 15 which are distributed circumferentially, each clamping jaw 15 is respectively and rotatably arranged with the transmission rod 12, a taper sleeve 16 with a conical surface at the front end is sleeved on the transmission rod 12 behind the clamping jaw 15, a third driving mechanism for driving the taper sleeve 16 to move back and forth is arranged on the machine frame 1, the third driving mechanism is composed of an annular groove 17 arranged on the outer circular surface of the taper sleeve 16, a shifting fork 18 which is rotationally arranged on the rack 1 back and forth and a cylinder 19 connected between the driving end of the shifting fork 18 and the rack 1, and the actuating end of the shifting fork 18 is clamped in the annular groove 17; the front part of the frame 1 is hinged with a swing arm 20 which rotates left and right, a positioning shaft 21 which extends along the front and back direction is fixedly arranged on the rear end surface of the action end of the swing arm 20, limit stops 22 are respectively and fixedly arranged on the left side and the right side of the swing arm 20 on the frame 1, and the swing arm 20 is abutted against the positioning stops, so that the positioning shaft 21 on the swing arm 20 is respectively coaxial with the screw rod 3 or the transmission rod 12.

During operation, at first, overlap the graphite positive pole on location axle 21 by the back front, and rotate swing arm 20 to the spacing fender 22 on right side rightwards, the graphite positive pole on the location axle 21 is coaxial with screw tap 9 this moment, then start first motor 4, under the effect of the circumference location of guide bar 7 and guiding hole 6 and fore-and-aft slip, lead screw 3 moves along screw hole 2, screw tap 9 drills out the screw hole with the rear end of graphite positive pole, when spacing dish 10 touches anterior limit switch 11, first motor 4 is reverse to be started, lead screw 3 electric screw tap 9 returns, when spacing dish 10 touches the limit switch 11 at rear portion, first motor 4 stops. And then the swing arm 20 is rotated leftwards to a limit stop 22 at the left side, at the moment, the graphite anode on the positioning shaft 21 is coaxial with the transmission rod 12, an anode lead connector is placed between the clamping jaws 15, the cylinder 19 is started to drive the shifting fork 18 to rotate, the shifting fork 18 pushes the taper sleeve 16 to move forwards, the rear end of each clamping jaw 15 rotates outwards under the action of the conical surface of the taper sleeve 16, the front end of each clamping jaw 15 rotates inwards to clamp the anode lead connector, the second motor 13 is started to drive the anode lead connector to rotate, meanwhile, the graphite anode is held by a hand to move backwards, the rotated anode lead connector rotates into a screw hole at the rear end of the graphite anode, finally, the second motor 13 is closed, the cylinder 19 is started reversely to drive the taper sleeve 16 to move backwards, the front end of each clamping jaw 15 rotates outwards, the anode lead connectors of the assembled graphite anode are taken down, and the assembling operation is completed.

The above description is only exemplary of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a valve graphite anode and anode lead wire connector assembly quality, includes the frame, its characterized in that: a threaded hole extending along the front-back direction is formed in one side of the rack, a screw rod penetrates through the threaded hole through threads, a first driving mechanism for driving the screw rod to rotate is arranged on the rack, a drill chuck is fixedly arranged at the front end of the screw rod, and a screw tap is clamped at the front end of the drill chuck; a transmission rod extending along the front-back direction is rotatably mounted on the other side of the rack, a second driving mechanism for driving the transmission rod to rotate is mounted on the rack, clamping jaws distributed in the circumferential direction are arranged at the front part of the transmission shaft, each clamping jaw is rotatably mounted with the transmission rod, a taper sleeve with a conical surface at the front end is sleeved on the transmission rod behind the clamping jaw, and a third driving mechanism for driving the taper sleeve to move back and forth is mounted on the rack; the front part of the frame is hinged with a swing arm which rotates left and right, and a positioning shaft which extends along the front and back direction is fixedly arranged on the rear end surface of the action end of the swing arm.

2. The valve graphite anode and anode lead tab assembly apparatus of claim 1, wherein: the first driving mechanism is composed of a first motor fixedly mounted on the rack, a positioning block fixedly mounted on an output shaft of the first motor, guide holes circumferentially distributed on the positioning block and guide rods circumferentially distributed at the rear end of the screw rod, and the guide rods are inserted into the corresponding guide holes.

3. The graphite valve anode and anode lead tab assembling apparatus of claim 1, wherein: the lead screw is provided with a limiting disc, and limit switches electrically connected with the motor are fixedly installed in front of and behind the limiting disc on the rack respectively.

4. The valve graphite anode and anode lead tab assembly apparatus of claim 1, wherein: the second driving mechanism is composed of a second motor fixedly arranged on the rack and a belt transmission mechanism connected between the output shaft end of the second motor and the transmission rod.

5. The graphite valve anode and anode lead tab assembling apparatus of claim 1, wherein: the third driving mechanism is composed of an annular groove formed in the outer circular surface of the taper sleeve, a shifting fork which is installed on the rack in a front-back rotating mode and a cylinder connected between the driving end of the shifting fork and the rack, and the action end of the shifting fork is clamped in the annular groove.

6. The valve graphite anode and anode lead tab assembly apparatus of claim 1, wherein: and limiting blocks are respectively and fixedly arranged on the left side and the right side of the swing arm on the frame.