CN2745689Y

CN2745689Y - Heat pipe vacuum pipe end cover sealing machine

Info

Publication number: CN2745689Y
Application number: CN 200320110267
Authority: CN
Inventors: 马飞; 陈道宏; 张殿清
Original assignee: Wuxi Hi Tech Industrial Development Co ltd
Current assignee: Jiangsu Meifu Solar Energy Co.,Ltd.
Priority date: 2003-10-15
Filing date: 2003-10-15
Publication date: 2005-12-14
Anticipated expiration: 2013-10-15

Abstract

The utility model relates to a heat pipe vacuum pipe end cover sealing machine which is provided with a laser, a welding gun, an operating box, a vertical post, etc. The utility model is characterized in that a rotation feeding box is vertically fixed on the upper portion of the vertical post and the lower portion of the rotation feeding box is vertically provided with a driving axle. The lower portion of the rotation feeding box is provided with a float supporting set freely positioned on the flat surface of a lifting holder of fork shape conducting vertical movement by the push of a vertical cylinder in vertical guideways. Two sets of vertical guideways are arranged on a cross slide in parallel and can conduct displacement movement by the push of a transversal cylinder to form the double-station operation. A pneumatic control box conducts motion according to the electrical signal procedure of the operating box and a laser controlling box is provided for matching the welding procedure. The utility model has reasonable process clamping, stable transmission, good accuracy, high welding qualified rate, overlapping mounting or dismounting and welding man-hour and higher work efficiency.

Description

A kind of heat-tube vacuum pipe end-cap welder

Technical field

The utility model relates to a kind of heat-tube vacuum pipe end-cap welder that solar energy utilizes.

Technical background

In the heat-pipe vacuum-tube production technology of field of solar energy utilization, when the sub-assembly that has been welded with end cap when heat pipe inserts in the glass tube, on the glass tube flange plane welding the sealing ring of metal is arranged, the flange of sealing ring periphery and the end cap flange on the heat pipe fit, the slit, upper end of its sticking part must be after welding be sealed, again the air in the glass tube is found time, constitute vacuum tube, referring to Fig. 2.Having relatively high expectations of the sticking part butt welded seam that this seals, because artificial weldering can't be ensured the quality of products, efficient is also low, therefore generally must use Laser Welding.Existing bonding machine is that the laser welding gun is fixed on one side, the swivel feeding head that level is arranged in the back of welding gun, glass tube lies in a horizontal plane on the roller carriage, there is the pinion and rack transmission to make axial advance under the carriage, end cap is compressed into the driving shaft tapering point of rotation rotary head, drag down at the swivel feeding head, glass tube is followed rotation, and laser gun welds simultaneously.Its existing problems are: the jerk value of swivel feeding head driving shaft is bigger; The chucking power that glass tube advances is wayward; Longer because of the glass tube afterbody, there is bigger sagging moment etc., have influence on workpiece sticking part weld seam to wander off easily, cause shortcomings such as welding quality is difficult for guaranteeing, the amount of doing over again is big, work efficiency is low.

Summary of the invention

The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, and research and design becomes a kind of novel structure, and the heat-tube vacuum pipe end-cap welder of the vertical layout of simple and feasible is to improve welding quality and work efficiency.

The utility model is achieved through the following technical solutions: heat-tube vacuum pipe end-cap welder includes control box, buncher, laser instrument, laser gun and laser controlling case, it is characterized in that: be fixed with swivel feeding case with sagging driving shaft at head tree top cantilever, the floating support group of rotating as glass tube location is arranged below driving shaft, the floating support group freely be located in the lifting fork-shaped holder that is level above.

The floating support group is made up of thrust ball bearing, the bearing sleeve of bottom and the elasticity seat ring three-piece that is inlaid in the bearing sleeve, and the endoporus of elasticity seat ring has the concave cone face, and this concave cone face is consistent with the tapering of the flange ring conical surface of glass tube.The lower end of sagging driving shaft has circular cone consistent with the flange inner conical surface of end cap on the swivel feeding case.

The further feature of the utility model is: the back basifacial in the holder of lifting fork-shaped has vertical guide, the both sides of lifting fork-shaped holder are installed in the slideway of vertical guide both sides, be fixed with vertical cylinder in the vertical guide bottom, the piston rod upper end of vertical cylinder is connected with the holder of lifting fork-shaped, under the promotion of vertical cylinder, the lifting fork-shaped is entrusted moving over draft and is held group and do to rise, compress, descend and action such as withdraw from.

Vertical guide is fixed on the head tree, constitutes single station heat-tube vacuum pipe end-cap welder.Vertical guide, floating support group, the holder of lifting fork-shaped and vertical cylinder can repeat two groups arranged side by side and be fixed on the cross slide, and the back side of cross slide cooperates assembling with cross rail.

Cross rail is fixed on the head tree, and the lateral cylinder of horizontal direction is equipped with in the top of cross rail, and lateral cylinder is connected between cross rail and the cross slide, makes two groups of vertical guide can do left and right sides displacement campaign, constitutes double heat-tube vacuum pipe end-cap welder.The pneumatic control case is controlled the action of vertical cylinder and lateral cylinder by many gas transmission lines.

The beneficial effects of the utility model are: the technology installation way comparatively rationally, good, the dependable performance of pneumatic pinch power adjustability, easy to operate, running stablize, have automatic centering and fine setting heart function, the feeding precision that rotatablely moves good, the high rework rate of qualification rate that guarantees weld seam is low, double heat-tube vacuum pipe end-cap welder more can make dismounting and encapsulation unproductive time overlapping carrying out can be with automatic Welder the time, and work efficiency is improved greatly.

Description of drawings

Fig. 1 is the utility model schematic diagram

Fig. 2 is the local enlarged diagram of the utility model embodiment

Among the figure: 1, control box; 2, buncher; 3, swivel feeding case; 4, display screen; 5, laser instrument; 6, laser gun; 7, driving shaft; 8, floating support group; 9, cross rail; 10, lateral cylinder; 11, lifting fork-shaped holder; 12, vertical cylinder; 13, vertical guide; 14, cross slide; 15, pneumatic control case; 16, head tree; 17, secondary principal post; 18, glass tube; 19, sealing ring; 20, seal mouth ring weld seam; 21, end cap; 22, heat pipe condenser section; 23, laser controlling case; 7-1, circular cone; 8-1, thrust ball bearing; 8-2, bearing sleeve; 8-3, elasticity seat ring.

The specific embodiment

Accompanying drawing 1 discloses a kind of preferential embodiment of the present utility model: swivel feeding case 3 vertically is housed above head tree 16, its upper right side hangs buncher 2 is installed, there is sagging driving shaft 7 below of swivel feeding case 3, one side of head tree 16 has secondary column 17, laser instrument 5 fixedly is equipped with in its upper end, its top also has display screen 4, have oblique in the place ahead of laser instrument 5 and can rotate and the laser gun 6 of up-down adjustment, laser controlling case 23 is equipped with in the outside of secondary principal post 17, laser controlling case 23 has lead access power supply to be connected with laser instrument 5 with output line, and other has control circuit to be connected with the control box 1 that is loaded on a high position.Arranged concentric has lifting fork-shaped holder 11 below driving shaft 7, its back lower place has with its all-in-one-piece slide plate and is installed in the slideway of vertical guide 13 both sides, under the piston rod of the vertical cylinder 12 that is fixed in vertical guide 13 bottoms promotes, the holder 11 of lifting fork-shaped moves up and down in vertical guide 13, and the piston rod end of vertical cylinder 12 is the lower ends that are connected lifting fork-shaped holder 11 slide plates among the figure.Except that vertical guide 12, the lifting fork-shaped holder 11 of driving shaft 7 center arrangement, comprise the vertical cylinder assembly, on its right and show an identical assembly, two juxtaposed components are fixed on the

same cross slide

14,14 of cross slides are contained on thereafter the cross slide way 9, the lateral cylinder 10 of level is housed above cross slide 14, the termination of its piston rod is fixed on the top of cross slide way 9 other ends, like this, lateral cylinder 10 can promote cross slide 14 and do left and right sides displacement campaign on cross slide way 9, makes two groups of vertical mechanisms enter the center welding by turns.Have appendix to be connected between lateral cylinder 10 and two vertical cylinders 12 and the cylinder control cabinet 23 that is contained in back, each air valve in the pneumatic control case 23 is controlled by the program signal of telecommunication of control box 1.About in the two lifting fork-shaped holders 11 plane one floating support group [8] is respectively arranged, Fig. 2 is shown with schematic diagram and the driving shaft 7 and the glass tube 18 of floating support group 8, position relation between end cap 21 grades under the welding operating mode, floating support group 8 has thrust ball bearing 8-1, bearing sleeve 8-2 and be inlaid in elasticity seat ring 8-3 form, the last plane of the foundation ring of thrust ball bearing 8-1 and lifting fork-shaped holder 11 is the expansion bearing relation, it is concentric fits that bearing sleeve 8-2 and thrust ball bearing 8-1 go up between circle, the endoporus that is inlaid in the elasticity seat ring 8-3 in the bearing sleeve 8-2 has the concave cone face just consistent with annular conical surface under the flange of glass tube 18, guaranteeing after glass tube 18 is packed into to have to cooperate preferably facilitates bigger contact-making surface to constitute friction, on glass tube 18 flanges plane welding the sealing ring 19 of metal is arranged, its cylindrical flange just fits with the flange of end cap 21, end cap 21 is welded as a whole with neck with the following of condensation segment 22 of heat pipe earlier, end cap 21 with the sealing ring 19 flange slit that is split into suitable for reading seal mouth ring weld seam 20.The lower end of driving shaft 7 has and the consistent circular cone 7-1 of end cap 21 flange gradients, when lifting fork-shaped holder 11 rising end caps 21 during near driving shaft 7 terminations, floating support group 8 can play automatic adjustment centering effect, when the thrust of vertical cylinder 12 reaches certain value, 21 uniform rotation together under the effect of driving shaft 7 such as assembly such as heat-pipe vacuum-tube such as grade of bearing sleeve 8-2 band glass tube 18 end caps.

The utility model embodiment can reach semi-automatic work under advanced person's control circuit control, when workpiece installs to after left station position touches down start button, driving shaft 7 begins the simultaneously vertical cylinder 12 promotion lifting fork-shaped holder 11 band floating support groups 8 of rotation and workpiece rises simultaneously, when rising to flange 21 contact driving shafts 7, the floating support group 8 automatic alignment that begins to be shifted under monolateral active force, conform to the circular cone 7-1 of driving shaft 7 until end cap 21, the thrust that rises this moment reaches certain value, the workpiece uniform rotation is got up, laser gun 6 is opened automatically and the feeding rotation is carried out synchronously, enclosing weld seam to one finishes, laser gun 6 cuts out, lifting fork-shaped holder 11 drops to when withdrawing from the position lateral cylinder 10 air inlets and promotes cross slide 14 and move to left, the right working position of the workpiece of packing into is moved on the central axis, repeat again to rise, to the center, compress, rotate, operations such as welding, the postwelding workpiece that only need manually will withdraw from station takes off and reinstalls new workpiece, during so alternately with the Welder and auxiliary operation overlapping carrying out in man-hour, the unit work efficiency is greatly improved.

Claims

1, a kind of heat-tube vacuum pipe end-cap welder, it is characterized in that: be fixed with swivel feeding case [3] with sagging driving shaft [7] at head tree [16] top cantilever, above the lifting fork-shaped holder [11] that has the floating support group [8] of rotating, floating support group [8] freely to be located in driving shaft [7] below to be level as glass tube [18] location.

2, heat-tube vacuum pipe end-cap welder according to claim 1, it is characterized in that: floating support group [8] has thrust ball bearing [8-1], the bearing sleeve [8-2] of bottom and is inlaid in the interior elasticity seat ring [8-3] of bearing sleeve [8-2] to be formed, the endoporus of elasticity seat ring [8-3] has the concave cone face, and this concave cone face is consistent with the tapering of the flange ring conical surface of glass tube [18].

3, heat-tube vacuum pipe end-cap welder according to claim 1 is characterized in that: the lower end that swivel feeding case [3] is gone up sagging driving shaft [7] has circular cone [7-1] consistent with the flange inner conical surface of end cap [21].

4, heat-tube vacuum pipe end-cap welder according to claim 1, it is characterized in that: the rear lower of lifting fork-shaped holder [11] has vertical guide [13], the both sides of lifting fork-shaped holder [11] are installed in the slideway of vertical guide [13] both sides, be fixed with vertical cylinder [12] in vertical guide [13] bottom, the piston rod upper end of vertical cylinder [12] is connected with lifting fork-shaped holder [11].

5, according to claim 1 or 4 described heat-tube vacuum pipe end-cap welders, it is characterized in that: vertical guide [13] is fixed on the head tree [16].

6, according to claim 1 or 4 described heat-pipe vacuum-tube welders, it is characterized in that: vertical guide [13], floating support group [8], lifting fork-shaped holder [11] and vertical cylinder [12] repeat two groups arranged side by side and are fixed on the cross slide [14], and the back side of cross slide [14] cooperates assembling with cross rail [9].

7, heat-pipe vacuum-tube welder according to claim 1, it is characterized in that: go up fixedly cross rail [9] at head tree [16], the lateral cylinder [10] of horizontal direction is equipped with in the top of cross rail [9], and lateral cylinder [10] is connected between cross rail [9] and the cross slide [14].

8, according to claim 4 or 7 described heat-tube vacuum pipe end-cap welders, it is characterized in that: have pneumatic control case [15] to utilize many gas transmission lines to control the action of vertical cylinder [12] and lateral cylinder [10].