CN209811544U

CN209811544U - Automatic air door sleeve pipe welding machine

Info

Publication number: CN209811544U
Application number: CN201920521751.6U
Authority: CN
Inventors: 王雁静; 金胜日
Original assignee: CHANGCHUN GARDEN MACHINERY Co Ltd
Current assignee: CHANGCHUN GARDEN MACHINERY Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2019-12-20
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses an automatic air door sleeve pipe welding machine, including support, support arm and work piece bracket etc. be fixed with sleeve pipe, gear motor and the upper portion cylinder of vertical setting on the support arm, the inside swing joint of sheathed tube has last connecting rod, and it is top to go up the connecting rod lower extreme, and the sheathed tube bottom outside is cup jointed and is fixed with the carousel, and the bottom of work piece bracket is connected with the lower part cylinder through the ring flange, and the piston rod of lower part cylinder upwards is connected with down top, top is relative with last top position down, and it can pass the work piece bracket and push up on the work piece top down top. The utility model discloses an automatic air door sleeve pipe welding machine requires and professional technical ability requires lowerly to the workman, and convenient operation and location are accurate, efficient, do not have the cooperation of special frock mould, and it is better to reach the welded surface shaping of once accomplishing whole circumference, and welded surface levels, homogeneous, connects fewly, splashes lessly, guarantees product welding quality, reduces labour cost, improves welding efficiency, realizes production automation.

Description

Automatic air door sleeve pipe welding machine

Technical Field

The utility model relates to a machining equipment technical field especially relates to an automatic air door sleeve pipe welding machine.

Background

Carbon dioxide gas shielded welding is one of fusion welding methods, and is a method for performing shielded welding by using a mixed gas of 82 percent of argon and 18 percent of carbon dioxide as a shielding gas. At the application sideThe surface welding method is simple to operate and suitable for manual welding and all-dimensional welding at different positions. However, CO is adopted by welders₂When the small circumference welding is carried out manually, the operation is very inconvenient, the surface welding quality is poor, the number of joints is large, the lead of the welding machine is easy to damage after being moved for a long time, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic air door casing pipe welding machine to foretell technical problem.

In order to achieve the above object, the present invention provides the following technical solutions:

an automatic welding machine for air door sleeves comprises a support, wherein a support arm is connected to the middle upper part of the support, and a workpiece bracket is connected to the middle lower part of the support;

a sleeve, a speed reducing motor and an upper cylinder which are vertically arranged are fixed on the support arm, an upper connecting rod is movably connected inside the sleeve, the upper end of the upper connecting rod is connected with a piston rod of the upper cylinder through a flange plate, an upper tip is arranged at the lower end of the upper connecting rod, and the upper tip can penetrate out of the sleeve and is pressed on a workpiece; a rotary table is fixedly sleeved on the outer side of the bottom of the sleeve, the sleeve is driven to rotate by a speed reducing motor, a welding gun is fixed on the circumference of the rotary table through a clamp, and the gun head of the welding gun is aligned to a workpiece;

the bottom of the workpiece bracket is connected with a lower cylinder through a flange plate, a piston rod of the lower cylinder is upwards connected with a lower tip, the lower tip is opposite to the upper tip, and the lower tip can penetrate through the workpiece bracket and be propped against a workpiece

Furthermore, according to the automatic air door sleeve welding machine, the sleeve is fixed on the support arm through the bearing, and the speed reduction motor is connected with the sleeve through the belt to achieve rotation of the rotary table.

Furthermore, according to the automatic air door sleeve welding machine, two groups of long roller assemblies are arranged on two sides of the workpiece bracket and used for supporting the workpiece, and each group of long roller assemblies consists of two rolling bearings and one long roller.

Furthermore, above-mentioned automatic air door sleeve pipe welding machine, the support includes the base, is fixed in the stand on the base, and moves about on the lift cover on the stand from top to bottom, support arm and work piece bracket are all fixed in on the lift cover, the lift cover passes through gear motor and conveying chain drive up-and-down motion.

Furthermore, according to the automatic air door sleeve welding machine, the support arm is fixedly connected with the workpiece bracket through the reinforcing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides an automatic air door sleeve pipe welding machine requires and professional technical ability requires lowerly to the workman, and convenient operation and location are accurate, efficient, and no special frock mould cooperation reaches the welded surface shaping of once accomplishing whole circumference better, and welded surface is level and smooth, homogeneous, connect fewly, splashes lessly, and is unanimous with the concentricity assurance of core cover, guarantees product welding quality, reduces labour cost, improves welding efficiency, realizes production automation.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic front structural view of an automatic air door casing pipe welding machine provided by an embodiment of the present invention;

FIG. 2 is a side partial schematic view of an automatic air door casing welding machine according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a reduction motor 21 according to an embodiment of the present invention;

fig. 4 is a partially enlarged view of fig. 1.

Description of reference numerals:

1. a support; 2. a support arm; 3. a workpiece carrier; 4. a sleeve; 5. a reduction motor; 6. an upper cylinder; 7. an upper connecting rod; 8. a piston rod; 9. a turntable; 10. a lower cylinder; 11. a lower center; 12. a bearing; 13. a belt; 14. a long roller assembly; 15. a rolling bearing; 16. a long roll; 17. an upper center; 18. a base; 19. a column; 20. a lifting sleeve; 21. a reduction motor; 22. a conveyor chain; 23. a reinforcing plate; 24. a sprocket shaft; 25. a sprocket; 26. a bearing seat; 27. a pulley set of the leather wheel.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the following embodiments.

Referring to fig. 1-4, the utility model provides an automatic air door casing pipe welding machine, which comprises a support 1, wherein the middle upper part of the support 1 is connected with a support arm 2, and the middle lower part of the support 1 is connected with a workpiece bracket 3;

a sleeve 4, a speed reducing motor 5 and an upper cylinder 6 which are vertically arranged are fixed on the support arm 2, an upper connecting rod 7 is movably connected inside the sleeve 4, the upper end of the upper connecting rod 7 is connected with a piston rod 8 of the upper cylinder through a flange, an upper tip 17 is arranged at the lower end of the upper connecting rod 7, and the upper tip 17 can penetrate out of the sleeve 4 and is pressed on a workpiece; a rotary table 9 is fixedly sleeved on the outer side of the bottom of the sleeve 4, the sleeve 4 is driven to rotate by a speed reducing motor 5, a welding gun is fixed on the circumference of the rotary table 9 through a clamp, and the gun head of the welding gun is aligned with a workpiece;

the bottom of the workpiece bracket 3 is connected with a lower cylinder 10 through a flange, a piston rod of the lower cylinder 10 is upwards connected with a lower tip 11, the lower tip 11 is opposite to an upper tip 17, and the lower tip 11 can penetrate through the workpiece bracket 3 and is propped against a workpiece.

Specifically, in the automatic air door sleeve welding machine, the sleeve 4 is fixed on the support arm 2 through the bearing 12, and the speed reduction motor 5 is connected with the sleeve 4 through the belt 13 and the pulley block 27 to realize the rotation of the rotary table. Two groups of long roller assemblies 14 are arranged on two sides of the workpiece bracket 3 and used for supporting a workpiece, and each group of long roller assemblies 14 consists of two rolling bearings 15 and a long roller 16.

The support 1 comprises a base 18, an upright column 19 fixed on the base 18 and a lifting sleeve 20 moving up and down on the upright column 19, the support arm 2 and the workpiece bracket 3 are both fixed on the lifting sleeve 20, and the lifting sleeve 20 is driven to move up and down by a speed reduction motor 21 and a transmission chain 22. Specifically, the output shaft of the speed reducing motor 21 is connected with a chain wheel shaft 24, a chain wheel 25 is fixed on the chain wheel shaft 24, a transmission chain 22 is hung on the chain wheel 25, the other end of the chain wheel shaft 24 is rotatably connected with a bearing seat 26, and the speed reducing motor 21 and the bearing seat 26 are fixed at the top end of the upright column 19.

In order to ensure the stability of the connection between the support arm 2 and the workpiece carrier 3 and to better achieve a synchronous movement in the vertical direction, the support arm 2 and the workpiece carrier 3 are preferably fixedly connected by means of a reinforcing plate 23.

When the processing workpiece is the air door air cylinder, the upper thimble structure and the lower thimble structure are adopted to be respectively tightly propped from the upper part and the lower part of the air cylinder, so that the workpiece is ensured to be positioned more accurately.

The utility model discloses a working process does: a workpiece is placed on a workpiece bracket 3 and supported by two groups of long roller groups, a speed reduction motor drives a chain wheel to rotate, the height of a lifting sleeve 20 is adjusted, an upper cylinder 6 and a lower cylinder 10 supply air, and an upper tip 17 and a lower tip 11 tightly push the workpiece respectively from the upper side and the lower side of the workpiece for aligning and fixing the workpiece. Starting gear motor 5 and driving carousel 9 rotatory, the checkpost card is on the circumference of carousel 9 for the welder, and the rifle head is aimed at the work piece, and rotatory dryer, welder aim at the air door axle sleeve, realize the circumference welding automatically. Each air door is different in size, the length of the pin shaft sleeve is different, and the lower air cylinder 10 below the workpiece bracket 3 is also used for adjusting the distance between the workpiece and a welding gun.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. An automatic welding machine for air door sleeves is characterized by comprising a support, wherein the middle upper part of the support is connected with a support arm, and the middle lower part of the support is connected with a workpiece bracket;

the bottom of the workpiece bracket is connected with a lower cylinder through a flange plate, a piston rod of the lower cylinder is upwards connected with a lower tip, the lower tip is opposite to the upper tip, and the lower tip can penetrate through the workpiece bracket and be propped against a workpiece.

2. The automatic air door bushing welder of claim 1, wherein the bushing is fixed to the arm by a bearing, and the gear motor is coupled to the bushing by a belt to rotate the turntable.

3. The automatic damper bushing welder according to claim 1, wherein two sets of long roller assemblies are provided on both sides of the workpiece carrier for lifting the workpiece, each set of long roller assemblies consisting of two rolling bearings and one long roller.

4. The automatic air door bushing welding machine of claim 1, wherein the support comprises a base, a column fixed on the base, and a lifting sleeve vertically movable on the column, the support arm and the workpiece bracket are fixed on the lifting sleeve, and the lifting sleeve is driven to move up and down by a speed reduction motor and a transmission chain.

5. The automatic damper bushing welder of claim 4, wherein the arm is fixedly coupled to the workpiece carrier by a stiffener.