CN110722280A - Thermocouple welding objective table structure and method of thermal simulation testing machine - Google Patents
Thermocouple welding objective table structure and method of thermal simulation testing machine Download PDFInfo
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- CN110722280A CN110722280A CN201910890619.7A CN201910890619A CN110722280A CN 110722280 A CN110722280 A CN 110722280A CN 201910890619 A CN201910890619 A CN 201910890619A CN 110722280 A CN110722280 A CN 110722280A
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- welding
- objective table
- thermocouple
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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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- Optics & Photonics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a thermocouple welding objective table structure of a thermal simulation testing machine, which comprises an objective table body and a V-shaped sample groove, wherein the objective table body is provided with an objective moving device, the objective moving device comprises an X, Y, Z-axis direction moving plate and a lead screw which are connected up and down, and the X, Y, Z-axis direction moving plate is respectively provided with a X, Y, Z-axis inner thread groove; the X-axis moving plate and the Y-axis moving plate are arranged at the upper end of the objective table body, and the Z-axis moving plate is arranged at the lower end of the objective table body and connected through a sliding rail. One end of the screw rod is provided with an external thread and is connected with the movable plate, and the other end of the screw rod is provided with a rotary graduated scale. The invention has the beneficial effects that: the accurate sample position adjustment through carrying the thing mobile device when having realized the welding thermocouple makes thermocouple welding position accurate, and the welding success rate improves to show and shorten welding preparation time, improve welding efficiency.
Description
Technical Field
The invention relates to the technical field of thermocouple welding, in particular to a thermocouple welding objective table structure and a method of a thermal simulation testing machine.
Background
The Gleeble3500 thermal simulation testing machine can accurately control parameters such as temperature, deformation rate and load in the testing process, reproduce the heating and stress processes of metal materials in preparation and processing, make outstanding contribution to the research of new materials and processes, and is widely favored by universities and iron and steel plants. The temperature is mainly controlled and collected by the thermocouple welded on the sample in the high-temperature performance simulation process, so the welding quality of the thermocouple becomes the key point of the success of the test. The Gleeble3500 thermal simulation testing machine can accurately control parameters such as temperature, deformation rate and load in the testing process, reproduce the heating and stress processes of metal materials in preparation and processing, make outstanding contribution to the research of new materials and processes, and is widely favored by universities and iron and steel plants. The temperature is mainly controlled and collected by the thermocouple welded on the sample in the high-temperature performance simulation process, so the welding quality of the thermocouple becomes the key point of the success of the test.
At present, welding equipment matched with a Gleeble3500 thermal simulation testing machine cannot freely adjust the front, back, left, right, upper and lower positions of a sample, and when the samples with different sizes are replaced, the distance between a welding head and the sample can be just 6mm by adjusting nuts behind the welding machine for multiple times. The position adjustment of left, right, front and back needs to be manually marked on the sample, then the sample moves left and right, the front and back distance is adjusted through a nut, the operation is complicated, the thermocouple position is not accurately positioned, and the welding efficiency is low. Therefore, it is desirable to develop a method for improving the thermal simulation welding efficiency of Gleeble 3500.
Disclosure of Invention
The invention aims to provide a Gleeble3500 thermal simulation welding machine thermocouple welding objective table structure which can move an objective table and accurately adjust the position of a sample, and also provides a method capable of improving the thermocouple welding efficiency of the Gleeble3500 thermal simulation welding machine.
In order to solve the technical problems, the invention adopts the technical scheme that: a thermocouple welding objective table structure of a thermal simulation testing machine comprises an objective table body and a V-shaped sample groove, wherein the objective table body is provided with an objective moving device, the objective moving device comprises an X, Y, Z-axis direction moving plate which is connected up and down, the X, Y, Z-axis direction moving plate is respectively provided with a X, Y, Z-axis inner thread groove, and a lead screw is respectively connected in the X, Y, Z-axis direction moving plate; the X-axis moving plate and the Y-axis moving plate are arranged at the upper end of the objective table body, the Z-axis moving plate is arranged at the lower end of the objective table body, and the Z-axis moving plate is connected with the base sliding rail.
One end of the screw rod is provided with an external thread and is connected with the movable plate, and the other end of the screw rod is provided with a rotary graduated scale.
The measuring precision of the graduated scale on the lead screw is less than 0.5 mm.
A thermocouple welding method of a thermal simulation testing machine comprises the following steps:
placing a sample in the middle of a V-shaped groove on an X-axis moving plate, and tightly pressing two ends of the sample by using a spring piece;
step two, placing the welding couple into a fixture controller, wherein the welding head is exposed by 2-3 mm;
and step three, rotating the lead screw, respectively adjusting X, Y, Z axis direction moving plates according to the scale values, moving the welding head to a target position, pressing a button, and welding.
The invention has the beneficial effects that: according to the method for improving the thermocouple welding efficiency of the Gleeble3500 thermal simulation welding machine, the object carrying moving device is used for accurately adjusting the position of the sample during welding of the thermocouple through the invention of the welding sample object carrying table, so that the thermocouple is accurately welded and positioned, the welding success rate is improved, the welding preparation time is obviously shortened, and the welding efficiency is improved.
Drawings
FIG. 1 is a schematic view of a thermocouple welding stage of the thermal simulation testing machine of the present invention;
FIG. 2 is a schematic view of a torsion specimen of the present invention.
In the figure:
1. v-shaped sample groove 2, X-axis graduated scale 3 and X-axis moving plate
4. Y-axis moving plate 5, Y-axis graduated scale 6 and objective table body
7. Z-axis moving plate 8, Z-axis dividing ruler
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in fig. 1, a thermocouple welding stage structure of a thermal simulation testing machine includes a stage body 6 and a V-shaped sample groove 1, the stage body 6 is provided with a stage moving device, the stage moving device includes X, Y, Z axial moving plates 3, 4, 7 connected up and down, the X, Y, Z axial moving plates 3, 4, 7 are respectively provided with an internal thread groove, and a lead screw is respectively connected in the X, Y, Z axial moving plates 3, 4, 7; the X-axis moving plate 3 and the Y-axis moving plate 4 are arranged at the upper end of the objective table body 6, and the Z-axis moving plate 7 is arranged at the lower end of the objective table body 6.
One end of the screw rod is provided with an external thread and is connected with the movable plate, and the other end of the screw rod is provided with a rotary graduated scale. The measuring precision of the graduated scale on the lead screw is less than 0.5 mm. The objective table is arranged above the base of the welding machine and below the V-shaped sample groove 1.
A thermocouple welding method of a thermal simulation testing machine comprises the following steps:
placing a sample in the middle of a V-shaped groove on an X-axis moving plate, and tightly pressing two ends of the sample by using a spring piece;
step two, placing the welding couple into a fixture controller, wherein the welding head is exposed by 2-3 mm;
and step three, rotating the lead screw, respectively adjusting X, Y, Z axis direction moving plates according to the scale values, moving the welding head to a target position, pressing a button, and welding.
The thermocouple welding method of the thermal simulation welding machine realizes that the position of the sample is accurately adjusted by the carrying moving device when the thermocouple is welded, so that the thermocouple welding positioning is accurate, the welding success rate is improved, the welding preparation time is obviously shortened, and the welding efficiency is improved.
Example one
As shown in fig. 2, the torsion sample welds two pairs of thermocouples to measure the temperature difference, providing data reference for subsequent programmed temperature settings, and the two pairs of thermocouples are welded at sample weld point I and sample weld point II, respectively.
The switch of the welder was opened and the voltage was adjusted to 30 v. And placing the torsion sample in the middle of the V-shaped transverse groove, and fixing the sample by using two sections of sample spring clamps. The X axis is moved to align the welding point at the middle of the length of the sample, namely the welding point I of the sample, the Z axis is moved to keep the welding head part at a distance of 6mm from the welding position of the sample, and the Y axis is moved to align the welding point at the middle of the sample. And placing the positive couple into a welding fixture controller, and exposing the thermocouple downwards by 2-3 mm. And pressing the welding button to successfully weld. And lifting the welding head, putting the negative electrode thermocouple into a welding fixture controller, and exposing the thermocouple downwards by 2-3 mm. And rotating outwards to enable the welding head to be 2mm away from the welding point, fixing the two ends of the sample, pressing a welding button, and welding.
And moving the X axis to align the welding point II of the sample with the welding head, controlling the distance between the welding point II of the sample and the outer diameter change position to be 3mm, moving the Z axis upwards, moving the Z axis to keep the welding head part at a distance of 6mm from the welding position of the sample, placing the positive couple into a welding fixture controller, and exposing the thermocouple downwards by 2-3 mm. And pressing the welding button to successfully weld. And lifting the welding head, putting the negative electrode thermocouple into a welding fixture controller, and exposing the thermocouple downwards by 2-3 mm. And rotating outwards to enable the welding head to be 2mm away from the welding point, fixing the two ends of the sample, pressing a welding button, and welding.
Example two
When the hot tensile sample is changed from phi 10mm to phi 6mm, the welding steps are as follows: a tensile sample with the diameter of 10mm is placed in the middle of the V-shaped transverse groove, and the sample is fixed by two sections of sample spring clamps. The X-axis was moved to align the weld point to the center of the sample and the Z-axis was moved to maintain the weld head at a distance of 6mm from the sample weld location. And placing the positive couple into a welding fixture controller, and exposing the thermocouple downwards by 2-3 mm. And pressing the welding button to successfully weld. And lifting the welding head, putting the negative electrode couple into a welding fixture controller, and exposing the thermocouple downwards by 2-3 mm. And rotating outwards to enable the welding head to be 2mm away from the welding point, fixing the two ends of the sample, pressing a welding button, and welding.
And placing a tensile sample with the diameter of 6mm in the middle of the V-shaped transverse groove, and fixing the sample by using two sections of sample spring clamps. The X-axis was moved to align the weld point to the center of the sample and the Z-axis was moved down 4mm to maintain the weld head at a distance of 6mm from the sample weld location. And placing the positive couple into a welding fixture controller, and exposing the thermocouple downwards by 2-3 mm. And pressing the welding button to successfully weld. And lifting the welding head, putting the negative electrode couple into a welding fixture controller, and exposing the thermocouple downwards by 2-3 mm. And rotating outwards to enable the welding head to be 2mm away from the welding point, fixing the two ends of the sample, pressing a welding button, and welding.
Claims (5)
1. The utility model provides a thermocouple welding objective table structure of thermal simulation testing machine, includes with testing machine base fixed connection's objective table body (6), V type sample groove (1), characterized by: the object carrying table body (6) is provided with an object carrying moving device, the object carrying moving device comprises X, Y, Z axial moving plates (3, 4 and 7) and a lead screw which are sequentially arranged in the vertical direction, and the X, Y, Z axial moving plates (3, 4 and 7) are respectively provided with X, Y, Z axial inner thread grooves which are matched with the lead screw; the X-axis moving plate (3) and the Y-axis moving plate (4) are arranged at the upper end of the objective table body (6), and the Z-axis moving plate (7) is arranged at the lower end of the objective table body (6) and is connected with an objective table slide rail.
2. The thermocouple welding stage structure of the thermal simulation testing machine according to claim 1, wherein: one end of the screw rod is provided with an external thread and is connected with the movable plate, and the other end of the screw rod is provided with a rotary graduated scale.
3. The thermocouple welding stage structure of a thermal simulation testing machine according to claim 1 or 2, wherein: the measuring precision of the graduated scale on the lead screw is less than 0.5 mm.
4. The thermocouple welding stage structure of the thermal simulation testing machine according to claim 1, wherein: objective table body (6) and welding machine base fixed connection, the welding machine base comprises stiff end and spur rack, and the lower surface of Z axle movable plate (4) is welded to (6) is passed on the spur rack top, and the rack passes through Z axle direction sliding rail connection with the stiff end, can realize that the rack removes along Z axle direction to realize the accurate control to Z axle displacement through knob other end scale.
5. A thermocouple welding method of the thermal simulation testing machine according to claim 1, comprising the steps of:
placing a sample in the middle of a V-shaped groove on an X-axis moving plate, and tightly pressing two ends of the sample by using a spring piece;
step two, placing the welding couple into a fixture controller, wherein the welding head is exposed by 2-3 mm;
and step three, rotating the graduated scale, respectively adjusting X, Y, Z axis direction moving plates according to the graduated scale values, moving the welding head to the target position, pressing a button, and welding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890619.7A CN110722280A (en) | 2019-09-20 | 2019-09-20 | Thermocouple welding objective table structure and method of thermal simulation testing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910890619.7A CN110722280A (en) | 2019-09-20 | 2019-09-20 | Thermocouple welding objective table structure and method of thermal simulation testing machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204248269U (en) * | 2014-10-31 | 2015-04-08 | 天津市瑞斯达农业机械有限公司 | A kind of agricultural cutter hard material welder |
| CN105855667A (en) * | 2016-06-12 | 2016-08-17 | 航天科工哈尔滨风华有限公司 | Wireless-control-based four-degree-of-freedom TIG automatic surfacing rotary workbench |
| CN205927493U (en) * | 2016-07-04 | 2017-02-08 | 珠海市新维焊接器材有限公司 | Automatic change type ultrasonic welder |
| CN107433421A (en) * | 2016-05-27 | 2017-12-05 | 赵晓英 | Weld comprehensive adjustable positioning clamp |
| CN109530904A (en) * | 2018-11-15 | 2019-03-29 | 江苏理工学院 | A kind of keyhole-free friction stir spot welding machine |
-
2019
- 2019-09-20 CN CN201910890619.7A patent/CN110722280A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204248269U (en) * | 2014-10-31 | 2015-04-08 | 天津市瑞斯达农业机械有限公司 | A kind of agricultural cutter hard material welder |
| CN107433421A (en) * | 2016-05-27 | 2017-12-05 | 赵晓英 | Weld comprehensive adjustable positioning clamp |
| CN105855667A (en) * | 2016-06-12 | 2016-08-17 | 航天科工哈尔滨风华有限公司 | Wireless-control-based four-degree-of-freedom TIG automatic surfacing rotary workbench |
| CN205927493U (en) * | 2016-07-04 | 2017-02-08 | 珠海市新维焊接器材有限公司 | Automatic change type ultrasonic welder |
| CN109530904A (en) * | 2018-11-15 | 2019-03-29 | 江苏理工学院 | A kind of keyhole-free friction stir spot welding machine |
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Application publication date: 20200124 |
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