CN108161265B - Method for welding glass tube and metal tube - Google Patents
Method for welding glass tube and metal tube Download PDFInfo
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- CN108161265B CN108161265B CN201711456295.3A CN201711456295A CN108161265B CN 108161265 B CN108161265 B CN 108161265B CN 201711456295 A CN201711456295 A CN 201711456295A CN 108161265 B CN108161265 B CN 108161265B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- Optics & Photonics (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
A method for welding a glass tube and a metal tube comprises the following steps: the glass tube conveying device conveys the glass tube to an inner cavity of the first clamping part, and the first chuck tightly clamps the glass tube; the metal pipe conveying device conveys the metal pipe to a second chuck of the second clamping part, and the second chuck clamps the metal pipe tightly; the first clamping disc drives the glass tube to rotate, and the welding rod on the welding seat is rotated to enable the welding head to heat the side wall of the end part of the glass tube; the U-shaped cavity formed between the extrusion stop rods of the extrusion part is sleeved on the side wall of the end part of the glass tube, and the extrusion seat extrudes the end part of the glass tube to ensure that the end part of the glass tube extends to the extrusion stop rods and the thickness of the tube wall is increased; the second clamping part moves towards the first clamping part, the end part of the metal pipe is inserted on the end part of the glass pipe, and the welding head heats the side wall of the glass pipe to weld the glass pipe and the glass pipe together; and loosening the first chuck and the second chuck, and storing the welded glass tube for later use. The advantages are that: realize the welding between glass pipe tip and the metal pipe tip, the welding is efficient, and it is effectual to weld.
Description
Technical Field
The invention relates to the technical field of glass tube manufacturing, in particular to a method for welding a glass tube and a metal tube.
Background
The invention discloses a metal glass composite heat-conducting pipe arranged in a vacuum tube solar collector and a manufacturing method thereof, which is disclosed in the Chinese patent with the patent number of CN200710154507.2 named as metal glass composite heat-conducting pipe and manufacturing method thereof. The metal glass composite heat conduction pipe is formed by pouring a metal pipe and a glass pipe, the middle part of the metal pipe is a net-shaped section which is of a net-shaped structure, the glass pipe is coated on the metal pipe, the two ends of the metal pipe are exposed, the net-shaped section covers the metal pipe, one end of the metal pipe is connected with the metal heat conduction pipe of the vacuum pipe solar collector, and a glass end cover is arranged at the joint of the glass pipe and the end face of the vacuum glass pipe. The metal glass composite heat conduction pipe can avoid the complex process of metal glass hot-press sealing, has simple manufacturing method, does not need expensive metal glass hot-press sealing equipment, reduces the use cost, is not easy to break down, and simultaneously, the part of the glass pipe coating the metal pipe contains a net section, thereby strengthening the strength of glass and improving the bearing capacity of the glass. However, the method cannot achieve welding between the end of the glass tube and the end of the metal tube, and has low welding efficiency and undesirable welding effect, so that the method needs further improvement.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for welding a glass tube and a metal tube aiming at the current situation of the prior art, the welding method realizes the welding between the end part of the glass tube and the end part of the metal tube, and has high welding efficiency and good welding effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: the welding method of the glass tube and the metal tube is characterized in that: the method comprises the following steps:
firstly, a glass tube conveying device conveys a glass tube to an inner cavity of a first clamping part, and a first chuck tightly clamps the glass tube;
secondly, the metal pipe conveying device conveys the metal pipe to a second chuck of the second clamping part, and the second chuck clamps the metal pipe tightly;
thirdly, the first clamping disc drives the glass tube to rotate, and the welding rod on the welding seat is rotated to enable the welding head to heat the side wall of the end part of the glass tube;
fourthly, a U-shaped cavity formed between the extrusion stop rods of the extrusion part is sleeved on the side wall of the end part of the glass tube, and the extrusion seat extrudes the end part of the glass tube to ensure that the end part of the glass tube extends to the extrusion stop rods and the thickness of the tube wall is increased;
fifthly, the second clamping part moves towards the first clamping part, so that the end part of the metal pipe is inserted on the end part of the glass pipe, and the welding head heats the side wall of the glass pipe to weld the glass pipe and the glass pipe together;
and sixthly, loosening the first chuck and the second chuck, and taking out the welded glass tube for storage and standby.
As an improvement, in the fourth step, after the extrusion seat extrudes the glass tube, the tube wall thickness of the glass tube is increased to 3 cm.
The improved glass tube extruding device is characterized in that the extruding seat is fixed on the extruding rod, the extruding rod is connected with the extruding rod driving device, the extruding rod can move relative to the glass tube, and the U-shaped cavity is sleeved on the side wall of the end part of the glass tube by adjusting the position of the extruding rod.
As an improvement, the first clamping portion comprises a first clamping seat, a first clamping disc capable of rotating relative to the first clamping seat, and a first chuck capable of clamping or loosening the glass tube, the first chuck can be rotatably arranged on the top surface of the first clamping disc along with the first clamping disc, through holes which are sequentially communicated are axially arranged in the middle of the first clamping seat, the first clamping disc and the first chuck, one end of the glass tube enters an inner cavity of the first clamping portion from the through hole of the first clamping seat and extends out of the first chuck from the through hole of the first chuck, the first clamping disc is linked with a first clamping disc driving motor, the first chuck comprises a first positioning disc, a first gear which is rotatably sleeved on the first positioning disc, a first threaded disc and a first clamping rod which are arranged between the first positioning disc and the first gear, and the first threaded disc is fixed with the first gear, the top surface of the first threaded disc is provided with a spiral track, the top surface of the first positioning disc is provided with gaps at intervals in the radial direction, a sliding block capable of sliding along the notch is arranged in the notch, a sliding chute capable of being matched with the spiral track is arranged on the bottom surface of the sliding block, the first clamping rod is arranged on the top surface of the sliding block, a first gear driving motor is arranged on the side part of the first gear, a first driving gear which can be meshed with the first gear is arranged on an output shaft of the first gear driving motor, when the first gear rotates relative to the first positioning disk, the sliding blocks rotate along the spiral tracks to mutually approach and clamp the glass tube or gradually move away from the first positioning disk to loosen the glass tube, the breach is three, and three breach equidistant ground sets up on the top surface of first positioning disk, the lateral part of first kelly is provided with the recess that can press from both sides tight small diameter pipe.
As an improvement, the second clamping portion includes a second clamping seat, a second clamping disc capable of rotating relative to the second clamping seat, and a second chuck capable of clamping or loosening the metal pipe, the second chuck is rotatably disposed on the top surface of the second clamping disc along with the second clamping disc, the second clamping disc is linked with a second clamping disc driving motor, the upper portion of the frame is provided with a moving rail, the second clamping seat is slidably disposed on the moving rail from side to side, the second clamping seat is linked with the clamping seat driving motor, the second chuck includes a second positioning disc, a second gear rotatably sleeved on the second positioning disc, a second threaded disc disposed between the second positioning disc and the second gear, a second clamping rod, a groove capable of clamping the metal pipe is disposed on the side portion of the second clamping rod, the second threaded disc is fixed to the second gear, and a spiral rail is disposed on the top surface of the second threaded disc, the top surface of the second positioning disk is radially provided with notches at intervals, a sliding block capable of sliding along the notches is arranged in the notches, the bottom surface of the sliding block is provided with a sliding groove capable of being matched with the spiral track, the second clamping rod is arranged on the top surface of the sliding block, a second gear driving motor is arranged on the side portion of the second gear, a second driving gear capable of being meshed with the gear of the second gear is arranged on an output shaft of the second gear driving motor, and when the second gear rotates relative to the second positioning disk, the sliding block rotates along the spiral track and is close to the second positioning disk mutually to clamp the metal pipe or gradually keeps away from the metal pipe to loosen the metal pipe.
As an improvement, the glass tube conveying device comprises an outer frame body and an inner frame body, wherein the outer frame body can be used for supporting a glass tube, the inner frame body is driven by an inner frame body first driving cylinder to move up and down relative to the outer frame body, an inner frame body second driving cylinder is used for driving the inner frame body first driving cylinder to move back and forth relative to the outer frame body, the glass tube is pushed into a glass tube push rod of an inner cavity of a first clamping part, the inner frame body is arranged in an opening in the middle of the outer frame body, an inner frame body second driving cylinder is arranged on the bottom surface of the outer frame body, a cylinder push rod of the inner frame body second driving cylinder is connected with the inner frame body first driving cylinder, a cylinder push rod of the inner frame body first driving cylinder is fixed with the bottom surface of the inner frame body, the end part of the glass tube push rod is connected with a glass tube push block, the glass tube push block can be arranged on a glass tube slide rail in a back and forth mode, a glass tube moving rod capable, one end of the glass tube moving rod is provided with a first clamping seat, two sides of the first clamping seat are respectively provided with a first clamping plate which can move in opposite directions to clamp the glass tube or move back to loosen the glass tube, and the other end of the glass tube moving rod can be rotatably arranged on the glass tube moving seat.
As an improvement, the metal tube conveying device comprises a conveying frame and a conveying belt, wherein the conveying belt can clamp and move a metal tube on the conveying belt to a third clamping portion on a second clamping portion, the conveying belt is arranged on the conveying roller of the conveying frame in a tensioning mode, one side of the conveying frame is provided with a conveying roller driving motor capable of driving the conveying roller to rotate, the third clamping portion comprises a third clamping seat, a second clamping plate capable of moving relative to the third clamping seat to clamp or loosen the metal tube, and a second rotating rod capable of driving the third clamping seat to rotate is rotatably arranged at one end of a moving rod of the third clamping portion, the other end of the moving rod of the third clamping portion can be arranged on the rack in a front-back moving mode, and the moving rod of the third clamping portion is linked with the driving motor of the moving rod of the third clamping portion.
As the improvement, the extrusion portion is including the extrusion head that can extrude the fused glass pipe tip, the extrusion pole can set up in the frame with the back-and-forth movement, the extrusion head is including extrusion seat and extrusion pin, the extrusion pin is two, and two extrusion pins are connected for the extrusion head that is the U font with the extrusion seat, and the middle part cavity of U font extrusion head and the lateral wall looks adaptation of glass pipe, when the extrusion of U font extrusion head was on the lateral wall of the glass pipe that is molten state, the lateral wall of glass pipe took place the deformation thickness increase, the tip angle that the tip of extrusion pin contacted with the glass pipe is for preventing the arc angle that the glass pipe collided.
Compared with the prior art, the glass tube conveying device is used for conveying the glass tube to the inner cavity of the first clamping part, and the first chuck is used for clamping the glass tube; the metal pipe conveying device conveys the metal pipe to a second chuck of the second clamping part, and the second chuck clamps the metal pipe tightly; the first clamping disc drives the glass tube to rotate, and the welding seat is rotated to enable the welding head to heat the side wall of the end part of the glass tube; the U-shaped cavity of the extrusion part is inserted into the side wall of the end part of the glass tube, and the extrusion seat extrudes the end part of the glass tube to ensure that the end part of the glass tube extends to the extrusion stop rod and the tube wall is thickened; the second clamping seat moves towards the first clamping part, so that the end part of the metal pipe is inserted on the end part of the glass pipe, and the welding head heats the side wall of the glass pipe to weld the glass pipe and the glass pipe together; the first chuck and the second chuck are loosened, the welded glass tube is taken out and stored for standby application, and the design has the advantages that: the glass tube and metal tube conveying, clamping and welding operations are sequentially realized through the glass tube conveying device, the metal tube conveying device, the first clamping portion, the second clamping portion, the welding head and the extruding portion, the automation degree is high, the welding efficiency is high, the positioning precision is high, the welding effect is good, the welding operation between the end portions of the glass tube and the metal tube is realized, and the processing design requirements are met; the end part of the glass tube in a molten state is extruded by the extrusion part, the wall thickness of the end part is increased, and due to the fact that the thickness of the glass tube is increased, when the metal tube is inserted into the wall of the glass tube, the inserting success rate between the metal tube and the glass tube is higher, the defective rate is reduced, and the welding efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of step one according to an embodiment of the present invention;
FIG. 2 is a schematic view of FIG. 1 at another angle;
FIG. 3 is a schematic view of FIG. 1 at yet another angle;
FIG. 4 is a schematic view of the third clamping portion of FIG. 1 moving the metal tube to the second clamping portion;
FIG. 5 is a schematic view of FIG. 4 at another angle;
FIG. 6 is a schematic view showing the pressing part of FIG. 4 moved to the glass tube;
FIG. 7 is a perspective view of the first chuck of FIG. 1;
FIG. 8 is an exploded view of the structure of FIG. 7;
FIG. 9 is an exploded view of FIG. 7 at another angle;
FIG. 10 is an enlarged view of portion I of FIG. 1;
FIG. 11 is an enlarged view of section II of FIG. 2;
FIG. 12 is an enlarged view of section III of FIG. 2;
FIG. 13 is an enlarged view of section IV of FIG. 3;
fig. 14 is an enlarged view of a portion V in fig. 6.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 14, the method for welding a glass tube and a metal tube of the present embodiment includes the following steps: the glass tube conveying device conveys the glass tube 2 to an inner cavity of the first clamping part, and the first chuck clamps the glass tube 2 tightly; the metal pipe conveying device conveys the metal pipe 21 to a second chuck of a second clamping part, and the second chuck clamps the metal pipe 21; the first clamping disk 31 drives the glass tube 2 to rotate, and the welding rod 51 on the welding seat 5 is rotated to enable the welding head 52 to heat the side wall of the end part of the glass tube; the U-shaped cavity formed between the extrusion stop rods 82 of the extrusion part is sleeved on the side wall of the end part of the glass tube, and the extrusion seat 81 extrudes the end part of the glass tube to ensure that the end part of the glass tube extends to the extrusion stop rods 82 and the thickness of the tube wall is increased; the second clamping part moves towards the first clamping part, so that the end part of the metal pipe 21 is inserted on the end part of the glass pipe 2, and the welding head 51 heats the side wall of the glass pipe to weld the two together; and loosening the first chuck and the second chuck, and taking out the welded glass tube 2 for storage and standby. In the fourth step, after the pressing seat 81 presses the glass tube 2, the thickness of the tube wall of the glass tube is increased to 3 cm. The extrusion seat 81 is fixed on the extrusion rod 8, the extrusion rod 8 is connected with the extrusion rod driving device, the extrusion rod 8 can move relative to the glass tube 2, and the U-shaped cavity is sleeved on the side wall of the end part of the glass tube by adjusting the position of the extrusion rod 8.
The first clamping part comprises a first clamping seat 3, a first clamping disc 31 capable of rotating relative to the first clamping seat 3, and a first chuck capable of clamping or loosening the glass tube 2, wherein the first chuck can be rotatably arranged on the top surface of the first clamping disc 31 along with the first clamping disc 31, through holes which are sequentially communicated are axially arranged in the middle parts of the first clamping seat 3, the first clamping disc 31 and the first chuck, one end of the glass tube 2 enters an inner cavity of the first clamping part from the through hole of the first clamping seat 3 and extends out of the first chuck from the through hole of the first chuck, the first clamping disc 31 is linked with a first clamping disc driving motor, the first chuck comprises a first positioning disc 32, a first gear 33 which is rotatably sleeved on the first positioning disc 32, a first threaded disc 34 which is arranged between the first positioning disc 32 and the first gear 33, and a first clamping rod 35, the first threaded disc 34 is fixed with the first gear 33, the top surface of the first threaded disc 34 is provided with a spiral track 341, the top surface of the first positioning disc 32 is radially provided with notches 36 at intervals, a slide block 37 capable of sliding along the notches 36 is arranged in the notches 36, the bottom surface of the slide block 37 is provided with a slide groove 38 capable of being matched with the spiral track 341, the first clamping rod 35 is arranged on the top surface of the slide block 37, the side part of the first gear 33 is provided with a first gear driving motor, the output shaft of the first gear driving motor is provided with a first driving gear 39 capable of being meshed with the first gear 33, when the first gear 33 rotates relative to the first positioning disc 32, the slide block 37 rotates along the spiral track 341 to mutually approach the first positioning disc 32 to clamp the glass tube 2 or gradually leave to loosen the glass tube 2, the notches 36 are three, and the three notches 36 are arranged on the top surface of the first positioning disc 32 at equal intervals, the first catching bar 35 is provided at its side with a recess 30 capable of gripping a small-diameter pipe. The second clamping part comprises a second clamping seat 4, a second clamping disc 41 which can rotate relative to the second clamping seat 4, and a second chuck which can clamp or loosen the metal pipe 21, wherein the second chuck can be rotatably arranged on the top surface of the second clamping disc 41 along with the second clamping disc 41, the second clamping disc 41 is linked with a second clamping disc driving motor, the upper part of the frame 1 is provided with a moving rail, the second clamping seat 4 can be slidably arranged on the moving rail from left to right, the second clamping seat 4 is linked with the clamping seat driving motor, the second chuck comprises a second positioning disc 42, a second gear 43 which can be rotatably sleeved on the second positioning disc 42, a second threaded disc which is arranged between the second positioning disc 42 and the second gear, and a second clamping rod 44, the side part of the second clamping rod 44 is provided with a groove 45 which can clamp the metal pipe 21, and the second threaded disc is fixed with the second gear 43, the top surface of the second threaded disc is provided with a spiral track, the top surface of the second positioning disc 42 is radially provided with notches at intervals, a sliding block capable of sliding along the notches is arranged in the notches, the bottom surface of the sliding block is provided with a sliding groove capable of being matched with the spiral track, the second clamping rod 44 is arranged on the top surface of the sliding block, the side portion of the second gear 43 is provided with a second gear driving motor, the output shaft of the second gear driving motor is provided with a second driving gear capable of being meshed with the gear of the second gear 43, and when the second gear 43 rotates relative to the second positioning disc 42, the sliding block rotates along the spiral track and is close to the clamping metal pipe 21 on the second positioning disc 42 or gradually leaves away from the clamping metal pipe 21 to loosen the metal pipe. The glass tube conveying device comprises an outer frame body 6 capable of supporting a glass tube 2, an inner frame body 61, an inner frame body first driving air cylinder 62 driving the inner frame body 61 to move up and down relative to the outer frame body 6, an inner frame body second driving air cylinder 63 driving the inner frame body first driving air cylinder 62 to move back and forth relative to the outer frame body 6, a glass tube push rod 64 pushing the glass tube 2 into an inner cavity of a first clamping part, wherein the inner frame body 61 is arranged in an opening in the middle of the outer frame body 6, the inner frame body second driving air cylinder 63 is arranged on the bottom surface of the outer frame body 6, an air cylinder push rod of the inner frame body second driving air cylinder 63 is connected with the inner frame body first driving air cylinder 62, an air cylinder push rod of the inner frame body first driving air cylinder 62 is fixed with the bottom surface of the inner frame body 61, the end part of the glass tube push rod 64 is connected with a glass tube push block 65, the glass tube push block 65 is arranged on a glass tube slide rail, the glass tube moving rod 67 capable of moving the glass tube 2 to the inner cavity of the first clamping portion is arranged on one side of the outer frame body 6, a first clamping seat 68 is arranged at one end of the glass tube moving rod 67, first clamping seats 68 are respectively arranged on two sides of each first clamping seat 68, the first clamping seats can move in opposite directions to clamp the glass tube 2 or move back to loosen the glass tube 2, and the other end of the glass tube moving rod 67 can be rotatably arranged on the glass tube moving seat 60. The metal pipe conveying device comprises a conveying frame 7, a conveying belt 71, a third clamping portion, a second clamping seat 72, a second clamping plate 73 and a second rotating rod 74, wherein the third clamping portion can clamp and move a metal pipe 21 on the conveying belt 71 to the second clamping portion, the conveying belt 71 is arranged on the conveying roller of the conveying frame 7 in a tensioning mode, the conveying roller driving motor capable of driving the conveying roller to rotate is arranged on one side of the conveying frame 7, the third clamping portion comprises the third clamping seat 72, the second clamping plate 73 capable of moving relative to the third clamping seat 72 to clamp or unclamp the metal pipe 21, the second rotating rod 74 capable of driving the third clamping seat 72 to rotate is rotatably arranged at one end of a third clamping portion moving rod 75, the other end of the third clamping portion moving rod 75 can be arranged on the machine frame 1 in a front-back moving mode, and the third clamping portion moving rod 75 is linked with the third clamping portion moving rod driving motor. The extrusion portion is including the extrusion head that can extrude the fused glass pipe end portion, and extrusion stem 8, extrusion stem 8 can set up on frame 1 with the back-and-forth movement, the extrusion head is including extrusion seat 81 and extrusion pin 82, extrusion pin 82 is two, and two extrusion pins 82 are connected for being the extrusion head of U font with extrusion seat 81, and the middle part cavity of U font extrusion head and the lateral wall looks adaptation of glass pipe 2, when U font extrusion head extrusion is on the lateral wall of glass pipe 2 that is the molten condition, the lateral wall of glass pipe 2 takes place deformation thickness increase, the apex angle of the tip of extrusion pin 82 and the contact of glass pipe 2 is the arc angle that prevents that glass pipe 2 from colliding with bad, the distance between the extrusion pin 82 is 3 cm.
Claims (7)
1. A method for welding a glass tube and a metal tube is characterized by comprising the following steps:
the glass tube conveying device conveys a glass tube (2) to an inner cavity of a first clamping part, a first chuck clamps the glass tube (2), the first clamping part comprises a first clamping seat (3), a first clamping disc (31) capable of rotating relative to the first clamping seat (3), and a first chuck capable of clamping or loosening the glass tube (2), and the first chuck can be rotatably arranged on the top surface of the first clamping disc (31) along with the first clamping disc (31);
secondly, the metal pipe conveying device conveys the metal pipe (21) to a second chuck of a second clamping part, and the second chuck clamps the metal pipe (21);
thirdly, the first clamping disc (31) drives the glass tube (2) to rotate, and a welding rod (51) on the welding seat (5) is rotated to enable a welding head (52) to heat the side wall of the end part of the glass tube;
fourthly, sleeving a U-shaped cavity formed between the extrusion stop rods (82) of the extrusion part on the side wall of the end part of the glass tube, and extruding the end part of the glass tube by the extrusion seat (81) to extend the end part of the glass tube to the extrusion stop rods (82) so as to increase the thickness of the tube wall; the extrusion part comprises extrusion heads capable of extruding the end parts of the molten glass pipes and extrusion rods (8), the extrusion rods (8) are arranged on the rack (1) in a back-and-forth moving mode, each extrusion head comprises an extrusion seat (81) and two extrusion stop rods (82), the two extrusion stop rods (82) are connected with the extrusion seat (81) to form a U-shaped extrusion head;
fifthly, the second clamping part moves towards the first clamping part, so that the end part of the metal pipe (21) is inserted into the end part of the glass pipe (2), and the welding head (51) heats the side wall of the glass pipe to weld the two together;
and sixthly, loosening the first chuck and the second chuck, and taking out the welded glass tube (2) for storage for later use.
2. The welding method according to claim 1, characterized in that: the extrusion seat (81) is fixed on the extrusion rod (8), the extrusion rod (8) is connected with the extrusion rod driving device, the extrusion rod (8) can move relative to the glass tube (2), and the U-shaped cavity is sleeved on the side wall of the end part of the glass tube by adjusting the position of the extrusion rod (8).
3. The welding method according to claim 1, characterized in that: the middle parts of the first clamping seat (3), the first clamping disc (31) and the first chuck are axially provided with through holes which are sequentially communicated, one end of the glass tube (2) enters an inner cavity of a first clamping part from the through hole of the first clamping seat (3) and extends out of the first chuck from the through hole of the first chuck, the first clamping disc (31) is linked with a driving motor of the first clamping disc, the first chuck comprises a first positioning disc (32), a first gear (33) which can be rotatably sleeved on the first positioning disc (32), a first threaded disc (34) which is arranged between the first positioning disc (32) and the first gear (33), a first clamping rod (35), the first threaded disc (34) is fixed with the first gear (33), the top surface of the first threaded disc (34) is provided with a spiral track (341), and gaps (36) are radially arranged on the top surface of the first positioning disc (32) at intervals, the glass tube clamping device is characterized in that a sliding block (37) capable of sliding along the notch (36) is arranged in the notch (36), a sliding groove (38) capable of being matched with the spiral track (341) is formed in the bottom surface of the sliding block (37), the first clamping rod (35) is arranged on the top surface of the sliding block (37), a first gear driving motor is arranged on the side portion of the first gear (33), a first driving gear (39) capable of being meshed with the first gear (33) is arranged on an output shaft of the first gear driving motor, when the first gear (33) rotates relative to the first positioning disk (32), the sliding block (37) rotates along the spiral track (341) to enable the first positioning disk (32) to be close to each other to clamp the glass tube (2) or gradually move away from the glass tube (2) to be loosened, the notches (36) are three, and the three notches (36) are arranged on the top surface of the first positioning disk (32) at equal intervals, the side part of the first clamping rod (35) is provided with a concave part (30) capable of clamping a small-diameter pipe.
4. The welding method according to claim 1, characterized in that: the second clamping part comprises a second clamping seat (4), a second clamping disc (41) capable of rotating relative to the second clamping seat (4), a second chuck capable of clamping or loosening the metal pipe (21), the second chuck is rotatably arranged on the top surface of the second clamping disc (41) along with the second clamping disc (41), the second clamping disc (41) is linked with a second clamping disc driving motor, the upper part of the rack (1) is provided with a moving rail, the second clamping seat (4) is slidably arranged on the moving rail left and right, the second clamping seat (4) is linked with the clamping seat driving motor, the second chuck comprises a second positioning disc (42), a second gear (43) rotatably sleeved on the second positioning disc (42), a second threaded disc arranged between the second positioning disc (42) and the second gear, a second clamping rod (44), and the side part of the second clamping rod (44) is provided with a groove (45) capable of clamping the metal pipe (21), the second threaded disc is fixed with a second gear (43), the top surface of the second threaded disc is provided with a spiral track, gaps are radially arranged on the top surface of the second positioning disk (42) at intervals, sliding blocks capable of sliding along the gaps are arranged in the gaps, the bottom surface of the sliding block is provided with a sliding chute which can be matched with the spiral track, the second clamping rod (44) is arranged on the top surface of the sliding block, a second gear driving motor is arranged at the side part of the second gear (43), a second driving gear which can be meshed with the second gear (43) is arranged on the output shaft of the second gear driving motor, when the second gear (43) rotates relative to the second positioning disk (42), the sliding blocks rotate along the spiral track to mutually approach and clamp the metal tube (21) or gradually move away from the second positioning disk (42) to loosen the metal tube (21).
5. The welding method according to claim 1, characterized in that: the glass tube conveying device comprises an outer frame body (6) capable of supporting a glass tube (2), an inner frame body (61), an inner frame body first driving cylinder (62) driving the inner frame body (61) to move up and down relative to the outer frame body (6), an inner frame body second driving cylinder (63) driving the inner frame body first driving cylinder (62) to move back and forth relative to the outer frame body (6), a glass tube push rod (64) pushing the glass tube (2) into an inner cavity of a first clamping part, the inner frame body (61) is arranged in a middle opening of the outer frame body (6), the inner frame body second driving cylinder (63) is arranged on the bottom surface of the outer frame body (6), a cylinder push rod of the inner frame body second driving cylinder (63) is connected with the inner frame body first driving cylinder (62), a cylinder push rod of the inner frame body first driving cylinder (62) is fixed with the bottom surface of the inner frame body (61), and the end part of the glass tube push rod (64) is connected with a glass tube push block (65), the glass tube pushing block (65) is arranged on a glass tube sliding rail (66) in a back-and-forth moving mode, a glass tube moving rod (67) capable of moving the glass tube (2) to an inner cavity of a first clamping portion is arranged on one side of the outer frame body (6), a first clamping seat (68) is arranged at one end of the glass tube moving rod (67), first clamping plates (69) capable of moving in opposite directions to clamp the glass tube (2) or moving back to loosen the glass tube (2) are respectively arranged on two sides of the first clamping seat (68), and the other end of the glass tube moving rod (67) is rotatably arranged on the glass tube moving seat (60).
6. The welding method according to claim 1, characterized in that: the metal pipe conveying device comprises a conveying frame (7), a conveying belt (71) and a third clamping part, wherein the conveying belt (71) can clamp the metal pipe (21) on the conveying belt (71) and move to the second clamping part, the conveying belt (71) is arranged on the conveying roller of the conveying frame (7) in a tensioning manner, one side of the conveying frame (7) is provided with a conveying roller driving motor capable of driving the conveying roller to rotate, the third clamping part comprises a third clamping seat (72), a second clamping plate (73) which can move relative to the third clamping seat (72) to clamp or loosen the metal pipe (21), a second rotating rod (74) which can drive the third clamping seat (72) to rotate, the second rotating lever (74) is rotatably provided at one end of the third clamping portion moving lever (75), the other end of the third clamping part moving rod (75) is arranged on the frame (1) in a way of moving back and forth, the third clamping portion moving rod (75) is linked with a third clamping portion moving rod driving motor.
7. The welding method according to claim 1, characterized in that: the middle part cavity of U font extrusion head and the lateral wall looks adaptation of glass pipe (2), when the extrusion of U font extrusion head was on the lateral wall of the glass pipe (2) that is molten state, the lateral wall of glass pipe (2) took place deformation thickness increase, the tip angle of the tip of extrusion pin (82) and glass pipe (2) contact is for preventing the arc angle that glass pipe (2) collided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456295.3A CN108161265B (en) | 2017-12-28 | 2017-12-28 | Method for welding glass tube and metal tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711456295.3A CN108161265B (en) | 2017-12-28 | 2017-12-28 | Method for welding glass tube and metal tube |
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| CN108161265A CN108161265A (en) | 2018-06-15 |
| CN108161265B true CN108161265B (en) | 2020-06-09 |
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| CN109719454B (en) * | 2018-12-25 | 2021-02-19 | 嵊州市越通非开挖建设有限公司 | Installation device for butt joint of inclined surfaces of pipelines |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5567544A (en) * | 1978-11-15 | 1980-05-21 | Hitachi Ltd | Glass fusion bonding method for metal plate for seal bonding |
| CN101602579B (en) * | 2008-06-13 | 2011-06-22 | 中国科学院电工研究所 | Thermal fusing sealing process of metal-glass solar heat-collecting tube |
| US8302596B1 (en) * | 2009-10-22 | 2012-11-06 | Lockheed Martin Corporation | Robust glass to metal sealing joint |
| CN103145350B (en) * | 2013-02-26 | 2015-02-11 | 中国科学院电工研究所 | Device and method for sealing metal and glass |
| CN104289735A (en) * | 2014-09-27 | 2015-01-21 | 江苏恒泽安装工程股份有限公司 | Three-jaw chuck for self-centering numerical control tube intersecting cutting machine |
| CN206677330U (en) * | 2017-03-22 | 2017-11-28 | 台州市卓信塑业有限公司 | Tubing screw thread mouth processing machine |
| CN106746567A (en) * | 2017-03-29 | 2017-05-31 | 沧州天瑞星光热技术有限公司 | A kind of high temperature solar energy heat collection pipe homogeneous tube glass tube system of processing |
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