CN210789614U - Welding device for end cover of air storage tank of double-screw air compressor - Google Patents

Abstract

The utility model discloses a double screw air compressor gas holder end cover welding set has seted up first guiding hole on the base, is provided with first guide bar in the bottom of bracket, and this first guide bar activity is planted in first guiding hole, first cylinder fixed mounting is on the base, and the piston rod and the bracket fixed connection of first cylinder have seted up flutedly on the bracket, first stop gear is including first support and first disc, first support fixed mounting is provided with first counter roll on the bottom plate on first disc, and first disc passes through first counter roll movable mounting on first support, is provided with along the first stopper of circumference equipartition on first disc, has seted up first arc wall on first stopper, the utility model discloses the advantage is: the automatic welding device has high automation degree, greatly reduces the labor intensity of workers, effectively improves the welding efficiency, obviously improves the position precision during welding and ensures the welding quality.

Description

Welding device for end cover of air storage tank of double-screw air compressor

Technical Field

The utility model relates to a welding set's technical field, more specifically say so and relate to air compressor machine gas holder welding set's technical field.

Background

The double-screw air compressor is an air compressor widely used in the current industrial power, and has the advantages of stable air supply, electricity saving, low maintenance rate and the like, high-pressure gas generated by the double-screw air compressor generally needs to be stored in an air storage tank for use, an end cover of the air storage tank is an important component of the air storage tank, and the air storage tank is structurally characterized in that the end cover is generally disc-shaped, the end cover and a tank body need to be welded together when the air storage tank is processed, in order to ensure the welding quality of the end cover and the tank body and further ensure the safety and the tightness, end cover forming equipment needs to be adopted to inwards bend the edge of the end cover to form a necking, then the necking of the end cover is clamped in a port of the tank body, and then the end cover. However, the existing common welding device for the end cover of the air storage tank has the following defects: firstly, the automation degree is low, the labor intensity of workers is high, the welding speed is low, and the welding efficiency is reduced; secondly, the position precision during welding is not well mastered, thereby causing adverse effect on the welding quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above-mentioned not enough and provide one kind and have higher degree of automation, can alleviate staff's intensity of labour, improve welding efficiency to position accuracy when can improving the welding guarantees welding quality's twin-screw air compressor machine gas holder end cover welding set.

The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:

the welding device for the end cover of the gas storage tank of the double-screw air compressor comprises a bottom plate, a lifting mechanism, a support, a paired adjusting mechanism, a first limiting mechanism and a second limiting mechanism, wherein the lifting mechanism comprises a base, a first cylinder and a bracket, the base is fixedly arranged on the bottom plate, a first guide hole is formed in the base, a first guide rod is arranged at the bottom of the bracket and movably inserted in the first guide hole, the first cylinder is fixedly arranged on the base, a piston rod of the first cylinder is fixedly connected with the bracket, a groove is formed in the bracket, the first limiting mechanism comprises a first support and a first disc, the first support is fixedly arranged on the bottom plate, a first fulcrum shaft is arranged on the first disc, the first disc is movably arranged on the first support through the first fulcrum shaft, first limiting blocks are uniformly distributed along the circumferential direction are arranged on the first disc, the first limiting block is provided with a first arc-shaped groove, the second limiting mechanism comprises a second support, a second disc, a first motor, a second motor and a first screw rod, the bottom plate is provided with a first guide rail, the bottom of the second support is provided with a first chute, the second support is movably arranged on the first guide rail through the first chute, the bottom of the second support is provided with a first screw hole, the first screw rod is rotatably and movably arranged on the bottom plate, the first screw rod is rotatably arranged in the first screw hole in a rotating manner, the second motor is fixedly arranged on the bottom plate, the second motor is in transmission connection with the first screw rod, the second disc is provided with a second fulcrum shaft, the second disc is movably arranged on the second support through the second fulcrum shaft, the second limiting block is uniformly distributed along the circumferential direction and is arranged on the second disc, the second limiting block is provided with a second arc-shaped groove, the first motor is fixedly arranged on the second support, the first motor is in transmission connection with the second fulcrum, the paired adjusting mechanisms respectively comprise a third motor, a second lead screw, a third lead screw, a sliding seat, a sliding block, a second air cylinder and a clamping mechanism, the bracket is fixedly arranged on the bottom plate, a second guide rail is arranged on the bracket, a second sliding groove is arranged on the sliding seat, the sliding seat is movably clamped on the second guide rail through the second sliding groove, a second screw hole is arranged on the sliding seat, the second lead screw is rotatably and movably arranged on the bracket, the second lead screw is rotatably arranged in the second screw hole, the third motor is fixedly arranged on the bracket, the third motor is in transmission connection with the second lead screw, a second guide rod is arranged on the sliding seat, a second guide hole and a third screw hole are arranged on the sliding block, the sliding block is movably sleeved on the second guide rod through the second guide hole, and the third lead screw is rotatably and movably arranged on the sliding seat, the third screw rod is arranged in the third screw hole in a rotating mode, the second air cylinder is fixedly installed on the sliding block, and the clamping mechanism is installed on a piston rod of the second air cylinder.

Fixture is including connecting block, horizontal pole, sliding sleeve, pivot, first bolt, adapter sleeve and second bolt, connecting block fixed mounting is on the piston rod of second cylinder, horizontal pole fixed mounting is on the connecting block, the sliding sleeve cover is put on the horizontal pole, is provided with the rack on the horizontal pole, pivot movable mounting is provided with the gear in the pivot on the sliding sleeve, and first through-hole and fourth screw have been seted up to gear and rack mesh mutually on the sliding sleeve, first bolt is worn to put in first through-hole to the spiral is put in the fourth screw, adapter sleeve fixed mounting is on the sliding sleeve, has seted up second through-hole and fifth screw on the adapter sleeve, the second bolt is worn to put in the second through-hole to the spiral is put in the fifth screw.

And a driven belt pulley is arranged on the second fulcrum shaft, a driving belt pulley is arranged on an output shaft of the first motor, and the driving belt pulley is in belt transmission connection with the driven belt pulley.

One end of the third screw rod is provided with a first rotating handle, and one end of the rotating shaft is provided with a second rotating handle.

The second motor is in transmission connection with the first lead screw through a first coupler, and the third motor is in transmission connection with the second lead screw through a second coupler.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is: when the welding device is used, firstly, end cover forming equipment is adopted to inwards bend the edge of an end cover to form a necking, then the necking of the end cover is clamped in ports at two ends of a tank body, then the tank body is placed in a groove of a bracket, the tank body is lifted through a first air cylinder, the axial lead of the tank body is superposed with the axial leads of a first disc and a second disc, then a second motor drives a first lead screw to rotate, a second support seat moves along a first guide rail, the end covers at two ends of the tank body are clamped through a first limiting block and a second limiting block, then the bracket is lowered through the first air cylinder, a pay-off machine of a second welding machine is fixed on a sliding seat, a welding gun of the second welding machine is clamped and fixed on a connecting sleeve, a second lead screw is driven to rotate through a third motor, the sliding seat moves along a second guide rail, the welding gun is moved to the connecting seam between the tank body and the end cover, and then a first rotating handle rotates the third lead, the position of butt welding rifle finely tunes, makes welder just to the joint line, through the height of second cylinder adjustment welder after that, at last through the first motor drive jar body and end cover rotate, opens two simultaneously and protects the welding machine and weld joint department, thereby make this welding set have higher degree of automation, alleviateed staff's intensity of labour by a wide margin, effectively improved welding efficiency, and show the position accuracy when having promoted the welding, guaranteed welding quality.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

FIG. 5 is an enlarged partial schematic view of FIG. 1 at D;

FIG. 6 is an enlarged partial schematic view at E in FIG. 2;

FIG. 7 is a cross-sectional view F-F of FIG. 5;

FIG. 8 is a schematic left side view of the adjustment mechanism of FIG. 2;

fig. 9 is a schematic top view of the connecting sleeve in fig. 8;

fig. 10 is a left side view schematic diagram of the second limiting mechanism in fig. 1.

Detailed Description

As shown in fig. 1, the welding device for the end cap of the gas storage tank of the twin-screw air compressor comprises a bottom plate 1, a lifting mechanism, a bracket 2, a pair of adjusting mechanisms, a first limiting mechanism and a second limiting mechanism, as shown in fig. 5, the lifting mechanism comprises a base 3, a first cylinder 4 and a bracket 5, the base 3 is fixedly installed on the bottom plate 1, a first guide hole 6 is formed in the base 3, a first guide rod 7 is arranged at the bottom of the bracket 5, the first guide rod 7 is movably inserted into the first guide hole 6, the first cylinder 4 is fixedly installed on the base 3, a piston rod 8 of the first cylinder 4 is fixedly connected with the bracket 5, and as shown in fig. 7, a groove 9 is formed in the bracket 5. First stop gear is including first support 10 and first disc 11, first support 10 fixed mounting is on bottom plate 1, is provided with first axle 12 on first disc 11, and first axle 12 of first disc 11 is through first bearing 13 movable mounting on first support 10, is provided with along the first stopper 14 of circumference equipartition on first disc 11, has seted up first arc wall 15 on first stopper 14. As shown in fig. 3, 4 and 10, the second limiting mechanism includes a second support 16, a second disc 17, a first motor 18, a second motor 19 and a first screw rod 20, the bottom plate 1 is provided with a first guide rail 21, the bottom of the second support 16 is provided with a first sliding groove 22, the second support 16 is movably mounted on the first guide rail 21 through the first sliding groove 22, the bottom of the second support 16 is provided with a first screw hole 23, the first screw rod 20 is rotatably and movably mounted on the bottom plate 1, the first screw rod 20 is rotatably and rotatably mounted in the first screw hole 23, the second motor 19 is fixedly mounted on the bottom plate 1, and the second motor 19 is in transmission connection with the first screw rod 20 through a first coupling 24. A second fulcrum 25 is arranged on the second disc 17, the second fulcrum 25 of the second disc 17 is movably mounted on the second support 16 through a second bearing 26, second limit blocks 27 uniformly distributed along the circumferential direction are arranged on the second disc 17, a second arc-shaped groove 28 is formed in each second limit block 27, the first motor 18 is fixedly mounted on the second support 16, and the first motor 18 is in transmission connection with the second fulcrum 25 and is in transmission connection with the second fulcrum 25 as follows: a driven pulley 29 is provided on the second support shaft 25, a drive pulley 30 is provided on an output shaft of the first motor 18, and the drive pulley 30 is drivingly connected to the driven pulley 29 and a belt 31. As shown in fig. 2 and 8, the paired adjusting mechanisms respectively include a third motor 32, a second lead screw 33, a third lead screw 34, a sliding seat 35, a sliding block 36, a second air cylinder 37 and a clamping mechanism, the bracket 2 is fixedly mounted on the base plate 1, the bracket 2 is provided with a second guide rail 38, the sliding seat 35 is provided with a second sliding groove 39, the sliding seat 35 is movably clamped on the second guide rail 38 through the second sliding groove 39, the sliding seat 35 is provided with a second screw hole 40, the second lead screw 33 is rotatably and movably mounted on the bracket 2, the second lead screw 33 is rotatably and rotatably screwed in the second screw hole 40, the third motor 32 is fixedly mounted on the bracket 2, the third motor 32 is in transmission connection with the second lead screw 33 through a second coupler 41, the sliding seat 35 is provided with a second guide rod 42, the sliding block 36 is provided with a second guide hole 43 and a third screw hole 44, the sliding block 36 is movably sleeved on the second guide rod 42 through the second guide hole 43, the third screw rod 34 is rotatably and movably mounted on the slide carriage 35, the third screw rod 34 is screwed in a third screw hole 44, a first rotating handle 45 is arranged at one end of the third screw rod 34, the second air cylinder 37 is fixedly mounted on the slide block 36, and the clamping mechanism is mounted on a piston rod 46 of the second air cylinder 37. The specific structure of the clamping mechanism and the installation connection relationship with the piston rod 46 of the second air cylinder 37 are as follows: as shown in fig. 6 and 9, the clamping mechanism includes a connecting block 47, a cross rod 48, a sliding sleeve 49, a rotating shaft 50, a first bolt 51, a connecting sleeve 52 and a second bolt 53, the connecting block 47 is fixedly mounted on a piston rod 46 of the second cylinder 37, the cross rod 48 is fixedly mounted on the connecting block 47, the sliding sleeve 49 is sleeved on the cross rod 48, a rack 54 is disposed on the cross rod 48, the rotating shaft 50 is movably mounted on the sliding sleeve 49, a second rotating handle 60 is disposed at one end of the rotating shaft 50, a gear 55 is disposed on the rotating shaft 50, the gear 55 is engaged with the rack 54, a first through hole 56 and a fourth screw hole 57 are disposed on the sliding sleeve 49, the first bolt 51 is inserted in the first through hole 56 and is rotatably disposed in the fourth screw hole 57, the connecting sleeve 52 is fixedly mounted on the sliding sleeve 49, a second through hole 58 and a fifth screw hole 59 are disposed on the connecting sleeve 52, the second bolt 53 is inserted into the second through hole 58 and screwed into the fifth screw hole 59.

The working principle of the welding device for the end cover of the gas storage tank of the double-screw air compressor is as follows: the method comprises the steps of firstly bending the edge of an end cover inwards to form a necking by adopting end cover forming equipment, then clamping the necking of the end cover in ports at two ends of a tank body, then placing the tank body in a groove 9 of a bracket 5, lifting the tank body through a first air cylinder 4 to enable the axial lead of the tank body to be superposed with the axial leads of a first disc 11 and a second disc 17, then driving a first screw rod 20 to rotate through a second motor 19 to enable a second support 16 to move along the leftward direction in the figure 1, clamping the end covers at the two ends of the tank body through a first limiting block 14 and a second limiting block 27, and then lowering the bracket 5 through the first air cylinder 4. Fixing a pay-off machine of a second protection welding machine on a sliding seat 35, clamping and fixing a welding gun of the second protection welding machine on a connecting sleeve 52, driving a second screw rod 33 to rotate through a third motor 32, enabling the sliding seat 35 to move along a second guide rail 38, moving the welding gun to a joint of a tank body and an end cover, rotating a third screw rod 34 through a first rotating handle 45, finely adjusting the position of the welding gun, enabling the welding gun to be right opposite to the joint, adjusting the height of the welding gun through a second air cylinder 37, finally driving the tank body and the end cover to rotate through a first motor 18, and simultaneously starting the second protection welding machine to weld the joint.

Claims (5)

1. Double screw air compressor machine gas holder end cover welding set, its characterized in that: the lifting mechanism comprises a base, a first cylinder and a bracket, the base is fixedly arranged on the base, a first guide hole is formed in the base, a first guide rod is arranged at the bottom of the bracket and movably inserted in the first guide hole, the first cylinder is fixedly arranged on the base, a piston rod of the first cylinder is fixedly connected with the bracket, a groove is formed in the bracket, the first limiting mechanism comprises a first support and a first disc, the first support is fixedly arranged on the base, a first fulcrum shaft is arranged on the first disc, the first disc is movably arranged on the first support through the first fulcrum shaft, first limiting blocks are uniformly distributed on the first disc along the circumferential direction, a first arc-shaped groove is formed in the first limiting block, the second limiting mechanism comprises a second support, a second disc, a first motor, a second motor and a first screw rod, a first guide rail is arranged on the bottom plate, a first sliding chute is arranged at the bottom of the second support, the second support is movably arranged on the first guide rail through the first sliding chute, a first screw hole is arranged at the bottom of the second support, the first screw rod is rotatably and movably arranged on the bottom plate, the first screw rod is rotatably arranged in the first screw hole, the second motor is fixedly arranged on the bottom plate and is in transmission connection with the first screw rod, a second fulcrum shaft is arranged on the second disc, the second disc is movably arranged on the second support through the second fulcrum shaft, second limiting blocks are uniformly distributed along the circumferential direction and are arranged on the second disc, a second arc-shaped groove is arranged on the second limiting block, the first motor is fixedly arranged on the second support, and the first motor is in transmission connection with the second fulcrum shaft, the paired adjusting mechanisms respectively comprise a third motor, a second screw rod, a third screw rod, a sliding seat, a sliding block, a second air cylinder and a clamping mechanism, the bracket is fixedly arranged on the bottom plate, a second guide rail is arranged on the bracket, a second sliding groove is arranged on the sliding seat, the sliding seat is movably clamped on the second guide rail through the second sliding groove, a second screw hole is arranged on the sliding seat, the second screw rod is rotatably and movably arranged on the bracket, the second screw rod is rotatably arranged in the second screw hole, the third motor is fixedly arranged on the bracket, the third motor is in transmission connection with the second screw rod, a second guide rod is arranged on the sliding seat, a second guide hole and a third screw hole are arranged on the sliding block, the sliding block is movably sleeved on the second guide rod through the second guide hole, the third screw rod is rotatably and movably arranged on the sliding seat, and the third screw rod is rotatably arranged in the third screw hole, the second cylinder is fixedly arranged on the sliding block, and the clamping mechanism is arranged on a piston rod of the second cylinder.

2. The welding device for the end cover of the air storage tank of the double-screw air compressor according to claim 1, is characterized in that: fixture is including connecting block, horizontal pole, sliding sleeve, pivot, first bolt, adapter sleeve and second bolt, connecting block fixed mounting is on the piston rod of second cylinder, horizontal pole fixed mounting is on the connecting block, the sliding sleeve cover is put on the horizontal pole, is provided with the rack on the horizontal pole, pivot movable mounting is provided with the gear in the pivot on the sliding sleeve, and first through-hole and fourth screw have been seted up to gear and rack mesh mutually on the sliding sleeve, first bolt is worn to put in first through-hole to the spiral is put in the fourth screw, adapter sleeve fixed mounting is on the sliding sleeve, has seted up second through-hole and fifth screw on the adapter sleeve, the second bolt is worn to put in the second through-hole to the spiral is put in the fifth screw.

3. The welding device for the end cover of the air storage tank of the double-screw air compressor according to claim 1 or 2, is characterized in that: and a driven belt pulley is arranged on the second fulcrum shaft, a driving belt pulley is arranged on an output shaft of the first motor, and the driving belt pulley is in belt transmission connection with the driven belt pulley.

4. The welding device for the end cover of the air storage tank of the double-screw air compressor according to claim 2 is characterized in that: one end of the third screw rod is provided with a first rotating handle, and one end of the rotating shaft is provided with a second rotating handle.

5. The welding device for the end cover of the air storage tank of the double-screw air compressor according to claim 1 or 2, is characterized in that: the second motor is in transmission connection with the first lead screw through a first coupler, and the third motor is in transmission connection with the second lead screw through a second coupler.

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