CN210703376U - Special automatic welder of dowel steel - Google Patents
Special automatic welder of dowel steel Download PDFInfo
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- CN210703376U CN210703376U CN201920966861.3U CN201920966861U CN210703376U CN 210703376 U CN210703376 U CN 210703376U CN 201920966861 U CN201920966861 U CN 201920966861U CN 210703376 U CN210703376 U CN 210703376U
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- dowel bar
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- dowel
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Abstract
The utility model discloses a special automatic welding device for a dowel bar, which comprises a frame; the clamping mechanism is fixedly arranged on the rack and comprises a positioning part and a clamping part, the dowel bar is positioned by the positioning part, and the clamping part clamps and positions the other workpiece to be welded; the welding mechanism is positioned on one side of the clamping mechanism and comprises a welding gun assembly and a welding gun linear driving assembly, and the welding gun linear driving assembly can drive the welding gun assembly to be close to the dowel bar for welding and be far away from the dowel bar after the welding is finished; the rotating mechanism applies a rotating trend force to the dowel bar to force the dowel bar to rotate; the device has the advantages of simple structure, convenient operation, high production efficiency, small occupied space, low process requirement and the like, realizes high-efficiency and batch production of products on the basis of reducing energy consumption, has high equipment realization precision, and greatly improves the product quality.
Description
Technical Field
The utility model belongs to the technical field of welding set, specifically speaking relates to a special automatic welder of dowel steel.
Background
Automatic welding equipment is rapidly developed, is widely applied to industries such as high-speed locomotives, engineering machinery, steel structures, household appliances, automobiles and the like, and already occupies a main position.
In countries with advanced technologies such as europe, the united states, japan and the like, the application of automated and robotic welding equipment is very common, and particularly, the use rate is higher in mass production, large-scale and harmful operation environments, and mature technologies and equipment and welding processes matched with the mature technologies and equipment and continuously upgraded are formed. In China, automated and robot welding equipment used in welding production fields of industries such as automobiles, petrifaction, electric power, steel structures and the like is a few of autonomous intellectual property equipment of domestic welding equipment enterprises, a part of the equipment and complete products are provided by domestic or joint-fund and exclusive enterprises, key parts adopt foreign technologies, and more of the equipment and the complete products are complete imported equipment. Compared with the international advanced level, the mastery of the key technology of the automation and robot welding equipment and the production and application aspects of domestic enterprises have a larger gap.
Disclosure of Invention
The utility model aims at providing a special automatic welder of dowel steel, it has compensatied the not enough of automation equipment in the rotatory welding process development of pole class.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
an automatic welding device special for dowel bars comprises
A frame;
the clamping mechanism is fixedly arranged on the rack and comprises a positioning part and a clamping part, the dowel bar is positioned by the positioning part, and the clamping part clamps and positions the other workpiece to be welded;
the welding mechanism is positioned on one side of the clamping mechanism and comprises a welding gun assembly and a welding gun linear driving assembly, and the welding gun linear driving assembly can drive the welding gun assembly to be close to the dowel bar for welding and be far away from the dowel bar after the welding is finished;
and the rotating mechanism applies a rotating trend force to the dowel bar to force the dowel bar to rotate.
On the basis of the above scheme and as a preferable scheme of the scheme: the positioning part comprises a positioning sleeve, the positioning sleeve is provided with a positioning hole for accommodating the dowel bar, the positioning hole is matched with the outer contour of the dowel bar, and the positioning hole and the dowel bar are in clearance fit; the clamping part comprises a pressing block and a pressing driving mechanism, the pressing block is fixedly arranged at the power output end of the pressing driving mechanism, and the other workpiece to be welded is pressed on the upper end surface of the positioning sleeve by the pressing block.
On the basis of the above scheme and as a preferable scheme of the scheme: the clamping parts are symmetrically arranged on two sides of the positioning hole.
On the basis of the above scheme and as a preferable scheme of the scheme: the rotary mechanism comprises a driving motor, an indexing mechanism and a column shaft, wherein the power output end of the indexing mechanism drives the column shaft to rotate, the column shaft is coaxial with the positioning sleeve, the upper end of the column shaft is connected with the positioning sleeve, the column shaft is hollow, and the dowel bar penetrates through the positioning hole and the hollow column shaft.
On the basis of the above scheme and as a preferable scheme of the scheme: the frame is fixedly provided with a column shaft seat, and the column shaft is movably connected with the column shaft seat.
On the basis of the above scheme and as a preferable scheme of the scheme: the lower end of the dowel bar is abutted against the length error-proofing mechanism, and the welding position of the dowel bar is controlled to be constant.
On the basis of the above scheme and as a preferable scheme of the scheme: the length mistake proofing mechanism comprises an electrode and an insulating base, the lower end of the dowel bar is abutted to the electrode, and the electrode and the rack can form a weak current loop through the dowel bar.
On the basis of the above scheme and as a preferable scheme of the scheme: the material taking-off mechanism comprises a material taking-off cylinder, the power output end of the material taking-off cylinder is fixedly connected with the length mistake-proofing mechanism, and the material taking-off cylinder can force the length mistake-proofing mechanism to axially move along the dowel bar and force the dowel bar to move outwards towards the positioning hole.
On the basis of the above scheme and as a preferable scheme of the scheme: the stripping mechanism and the length mistake proofing mechanism are fixedly arranged on a first adjusting mechanism, and the first adjusting mechanism can move along the axial direction of the dowel bar.
On the basis of the above scheme and as a preferable scheme of the scheme: the welding gun assembly is connected with the welding gun linear driving assembly through a second adjusting mechanism, and the angle of the welding gun assembly and the distance between the welding gun assembly and the corresponding dowel bar can be adjusted through the second adjusting mechanism.
Compared with the prior art, the utility model outstanding and profitable technological effect is: 1. the welding adopts a workpiece rotating mode, so that the working space is saved, and the energy consumption is reduced; 2. the rotating diameter is small, the speed is high, and the production efficiency is high; 3. the positioning precision requirement of the tool is low; 4. the structure is simple, the number of running joints is small, and the use cost and the maintenance cost are low; 5. the welding device has wide application range and large expandability, and can be suitable for all rotary welding and spot welding operation.
Drawings
FIG. 1 is a schematic view of a welded product;
FIG. 2 is a perspective view of the overall structure of the present invention;
FIG. 3 is a front view of the whole mechanism of the present invention;
FIG. 4 is a left side view of the whole mechanism of the present invention;
fig. 5 is a sectional view a-a.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
Referring to fig. 1, in the present embodiment, the welded product 90 includes a dowel 91 and a blocking piece 92, and the blocking piece 92 is welded and fixed at a specific position of the dowel 91.
Referring to fig. 2-5, in order to realize the product and welding, the embodiment discloses a special self-supporting force transmission rod
Dynamic welding device, comprising
A frame 10;
the clamping mechanism 20 is fixedly arranged on the frame 10, the clamping mechanism 20 comprises a positioning part 22 and a clamping part 21, the dowel bar 91 is positioned by the positioning part 22, and the clamping part 21 clamps and positions the other workpiece 92 to be welded; specifically, in the present embodiment, the positioning portion 22 includes a positioning sleeve 221, the positioning sleeve 221 is provided with a positioning hole 2211 for accommodating the dowel bar 91, the positioning hole 2211 is matched with the outer contour of the dowel bar 91, and the two are in clearance fit, the dowel bar penetrates into the positioning hole 2211 from top to bottom from above the positioning hole 2211; the clamping portion 21 includes a pressing block 211 and a pressing driving mechanism 212, the pressing block 211 is fixedly disposed at a power output end of the pressing driving mechanism 212, and the other to-be-welded workpiece 92 is pressed by the pressing block 211 on an upper end surface of the positioning sleeve 221.
It should be noted that, in this embodiment, the belt welding workpiece 92 is a blocking piece, which has a certain transverse dimension, and the blocking piece is sleeved in from the upper end of the dowel bar, then falls onto the upper end surface of the positioning sleeve, and is compressed by the pressing block, so that in this embodiment, the pressing driving mechanism 212 is preferably a rotary cylinder, and drives the pressing block to rotate while pressing the pressing block downward, so that the pressing block rotates outward to open, the blocking piece is conveniently sleeved in the dowel bar for assembly, and the blocking piece can smoothly enter the welding position; meanwhile, the clamping mechanism clamps the workpiece and the separation blade in a mode of rotating the air cylinder and the positioning sleeve, the rotating air cylinder clamps the separation blade tightly, the positioning sleeve is arranged in the workpiece through the positioning hole, and the risk of splashing of welding slag and clamping damage of the special-shaped rod is prevented.
Further, in order to enable the to-be-welded workpiece 92 to be clamped more stably, the to-be-welded workpiece can be completely attached to the upper end face of the positioning portion, preferably, the clamping portions 21 are symmetrically arranged on two sides of the positioning hole 2211, so that the two sides of the to-be-welded workpiece are stressed evenly, and the welding quality and the product quality are improved.
The welding mechanism 30 is positioned on one side of the clamping mechanism 20 and comprises a welding gun assembly 32 and a welding gun linear driving assembly 31, and the welding gun linear driving assembly 31 can drive the welding gun assembly 32 to approach the dowel bar 91 for welding and to be far away from the dowel bar 91 after the welding is finished; specifically, the welding gun assembly 32 is connected to the power output end of the welding gun linear driving assembly 31, the welding gun linear driving assembly 31 can drive the welding gun assembly 32 to linearly move, the direction of the welding gun assembly 32 is adjusted, and therefore the welding gun assembly 32 can be close to the dowel bar 91 to be welded and is far away from the dowel bar 91 after welding is finished.
It should be noted that the welding gun assembly 32 includes a welding gun or a welding gun, the welding gun or the welding gun is connected to a welding power supply, and a wire feeding assembly is also provided during arc welding, but other welding apparatuses in the prior art may also be included; the cylinder is preferably selected for the welding gun linear driving assembly 31, the welding gun assembly is driven to run forwards and backwards, the characteristics of large loading noninterference space, high welding gun assembly position precision and the like are realized, and the subsequent automation of loading is easily expanded.
The rotating mechanism 40 applies a rotational force to the dowel pin 91, forcing the dowel pin 91 to rotate. Specifically, in this embodiment, the rotating mechanism 40 includes a driving motor 41, an indexing mechanism 42 and a column shaft 44, a driving gear 421 is fixedly disposed at a power output end of the indexing mechanism 42, a driven gear 43 engaged with the driving gear is fixedly disposed on the column shaft 44, and the driving motor 41 drives the indexing mechanism 42 to rotate, so as to drive the driving gear 421 to drive the driven gear 43 to rotate, and further drive the column shaft 44 to rotate; furthermore, in order to achieve that the column shaft 44 drives the positioning sleeve 221 to synchronously rotate, so as to drive the dowel bar 91 to rotate, and under the condition that the welding gun assembly is fixed, the welded dowel bar 91 and the baffle plate are welded in a manner of rotating, so that the working space is greatly reduced, the rotating diameter is small, the speed is high, and the production efficiency is high, in this embodiment, preferably, the column shaft 44 is coaxial with the positioning sleeve 221, the upper end of the column shaft is connected with the positioning sleeve 221, the column shaft 44 is hollow, and the dowel bar 91 penetrates through the positioning hole 2211 and the hollow column shaft 44; specifically, the bottom surface of the positioning sleeve 221 is provided with a column shaft positioning groove 2212, the side surface of the column shaft positioning groove 2212 is provided with a screw hole 2213, the upper end of the column shaft 44 is inserted into the column shaft positioning groove 2212, and a screw is screwed into the screw hole 2213 to fixedly connect the column shaft and the column shaft, so that the column shaft drives the positioning sleeve to synchronously rotate.
In order to improve the stability of the column shaft 44, in this embodiment, the frame 10 is fixedly provided with the column shaft seat 12, the column shaft seat 12 has a column shaft mounting hole, the column shaft penetrates into the column shaft mounting hole, and a bearing 121 is arranged between the column shaft and the main shaft mounting hole, so that the column shaft and the column shaft seat are movably connected, and the column shaft stability and the flexibility of the column shaft are improved.
The rotating mechanism adopts the transmission of the dividing disc and the gear, the rotation is stable and reliable, the positioning and rotating precision is high, and the product craters are uniform.
Furthermore, the positions of the dowel bar and the workpiece to be welded need to be positioned again after the dowel shaft is replaced every time, which is very complicated and affects the welding efficiency, therefore, in the embodiment, a length error-proofing mechanism 50 is further arranged below the column shaft 44, the length error-proofing mechanism 50 comprises an electrode 51 and an insulating base 52, a positive electrode (safe voltage) of a detection power supply is loaded on the motor 51, the rack 10 is connected with a negative electrode of the detection power supply, the upper end of the dowel bar 91 is contacted with the positioning sleeve, when the lower end of the electrode 51 is abutted against the electrode 51, the electrode 51 and the frame 10 form a current loop through the dowel 91, if a current sensing element is provided in this current loop, after the dowel 91 is brought into contact with the electrode, the current detection element generates a voltage signal which is transmitted to the controller, and the controller receives the voltage signal and controls the specification mechanism to perform the next step; thereby realizing that the length error-proofing mechanism controls the welding position of the dowel bar 91 to be constant.
The material stripping mechanism 60 is a material stripping cylinder, the power output end 61 of the material stripping cylinder is fixedly connected with the insulating seat 52 of the length mistake-proofing mechanism, and when the piston of the material stripping cylinder is ejected out, the insulating seat 52 and the electrode 51 can be forced to axially move along the dowel bar 91, so that the dowel bar 91 is forced to move outwards towards the positioning hole 2211, and the dowel bar can be conveniently taken out of the positioning hole.
When meeting dowel bars of different lengths and welding, often need to adjust length mistake proofing mechanism, based on this problem this embodiment proposes that stripping mechanism 60 and length mistake proofing mechanism 50 are fixed in a first adjustment mechanism 70, and first adjustment mechanism 70 can move along dowel bar 91 axial.
Specifically, the first adjusting mechanism 70 comprises a bottom plate 71, an upper supporting plate 73 and a lower supporting plate 72, the bottom plate 71 is provided with an adjusting groove 711, a bolt passes through the adjusting groove and is screwed on the mounting plate 11, and after the bolt is unscrewed, the bottom plate can be slid along the adjusting groove 711 for height adjustment, so that the position adjustment of the length mistake proofing mechanism 50 is realized; preferably, a reinforcing plate 74 is fixedly arranged between the upper supporting plate 73 and the lower supporting plate 72.
Similarly, when welding with dowel bars of different specifications, the relative position between the welding gun assembly and the circumferential surface of the dowel bar is changed, but once the model of the welding gun linear driving assembly 31 and the fixing mode of the welding gun linear driving assembly 31 and the frame are selected, it is difficult to change the relative position between the welding gun assembly and the dowel bar, so that the welding gun assembly 32 is preferably connected with the welding gun linear driving assembly 31 through the second adjusting mechanism 80, and the second adjusting mechanism 80 can adjust the angle of the welding gun assembly 32 and the distance from the dowel bar 91.
Specifically, the second adjusting mechanism 80 includes a fixing block 81, an adjusting plate 82, a welding gun assembly fixing seat 821 and an adjusting bolt 83, the fixing block is fixedly arranged at the power output end 311 of the welding gun linear driving assembly 31, the adjusting plate 82 is provided with an adjusting groove 822, and the adjusting bolt 83 is screwed in the fixing block 81 after passing through the adjusting groove 822; the adjusting bolt 83 is preferably one in this embodiment, and the purpose of this embodiment is to simultaneously adjust the angle of the welding gun assembly and the position of the relative dowel bar when the adjusting bolt 83 is loosened.
The device has the advantages of simple structure, convenient operation, high production efficiency, small occupied space, low process requirement and the like. On the basis of reducing the energy consumption, the high-efficiency and batch production of products is realized, the equipment realization precision is high, and the product quality is greatly improved.
The working principle is as follows:
in the initial state, the rotary cylinder drives the pressing block 211 to move upwards and rotate to open, the welding gun assembly 32 is in a withdrawing state, and the piston rod of the stripping cylinder is in a retracting state;
firstly, inserting the dowel bar from the positioning hole 2211 and the hollow of the column shaft inwards until the lower end of the dowel bar is abutted against the electrode 51, sleeving the blocking piece 92 into the upper end of the dowel bar 91, and freely dropping to the upper end surface of the positioning sleeve 221;
secondly, after the dowel bar is contacted with the electrode 51, the controller detects a voltage signal of the detection element, and controls the rotary cylinder to drive the pressing block 211 to rotate reversely and move downwards to press the baffle plate 92 on the upper end surface of the positioning sleeve; then the welding gun linear driving assembly 31 drives the welding gun assembly 32 to move to a welding position;
thirdly, the driving motor 41 is started to drive the indexing mechanism 42 to rotate, then the column shaft 44 is driven to rotate through the gear set, and further the positioning sleeve 221 is driven to rotate, and a transmission relation can be formed due to the matching of the positioning hole 2211 and the outer contour of the dowel bar, so that the positioning sleeve 221 drives the dowel bar and the blocking piece to rotate; meanwhile, the welding gun assembly works to weld the force lever and the blocking piece, so that the welding is carried out while rotating until the welding gun assembly rotates for a set angle;
fourthly, the pressing block, the rotary cylinder and the welding mechanism return to the initial positions;
and fifthly, pushing up a piston rod of the stripping cylinder to push out the dowel bar upwards from the positioning hole.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a special automatic welder of dowel steel which characterized in that: comprises that
A frame;
the clamping mechanism is fixedly arranged on the rack and comprises a positioning part and a clamping part, the dowel bar is positioned by the positioning part, and the clamping part clamps and positions the other workpiece to be welded;
the welding mechanism is positioned on one side of the clamping mechanism and comprises a welding gun assembly and a welding gun linear driving assembly, and the welding gun linear driving assembly can drive the welding gun assembly to be close to the dowel bar for welding and be far away from the dowel bar after the welding is finished;
and the rotating mechanism applies a rotating trend force to the dowel bar to force the dowel bar to rotate.
2. The automatic welding device special for the dowel bar of claim 1, wherein the welding device comprises: the positioning part comprises a positioning sleeve, the positioning sleeve is provided with a positioning hole for accommodating the dowel bar, the positioning hole is matched with the outer contour of the dowel bar, and the positioning hole and the dowel bar are in clearance fit; the clamping part comprises a pressing block and a pressing driving mechanism, the pressing block is fixedly arranged at the power output end of the pressing driving mechanism, and the other workpiece to be welded is pressed on the upper end surface of the positioning sleeve by the pressing block.
3. The automatic welding device special for the dowel bar of claim 2, wherein the welding device comprises: the clamping parts are symmetrically arranged on two sides of the positioning hole.
4. The automatic welding device special for the dowel bar of claim 2, wherein the welding device comprises: the rotary mechanism comprises a driving motor, an indexing mechanism and a column shaft, wherein the power output end of the indexing mechanism drives the column shaft to rotate, the column shaft is coaxial with the positioning sleeve, the upper end of the column shaft is connected with the positioning sleeve, the column shaft is hollow, and the dowel bar penetrates through the positioning hole and the hollow column shaft.
5. The automatic welding device special for the dowel steel of claim 4, wherein the welding device comprises: the frame is fixedly provided with a column shaft seat, and the column shaft is movably connected with the column shaft seat.
6. The automatic welding device special for the dowel steel of claim 4, wherein the welding device comprises: the lower end of the dowel bar is abutted against the length error-proofing mechanism, and the welding position of the dowel bar is controlled to be constant.
7. The automatic welding device special for the dowel bar of claim 6, wherein the welding device comprises: the length mistake proofing mechanism comprises an electrode and an insulating base, the lower end of the dowel bar is abutted to the electrode, and the electrode and the rack can form a weak current loop through the dowel bar.
8. The automatic welding device special for the dowel steel of claim 7, wherein the welding device comprises: the material taking-off mechanism comprises a material taking-off cylinder, the power output end of the material taking-off cylinder is fixedly connected with the length mistake-proofing mechanism, and the material taking-off cylinder can force the length mistake-proofing mechanism to axially move along the dowel bar and force the dowel bar to move outwards towards the positioning hole.
9. The automatic welding device special for the dowel steel of claim 8, wherein the welding device comprises: the stripping mechanism and the length mistake proofing mechanism are fixedly arranged on a first adjusting mechanism, and the first adjusting mechanism can move along the axial direction of the dowel bar.
10. The automatic welding device special for the dowel bar of claim 1, wherein the welding device comprises: the welding gun assembly is connected with the welding gun linear driving assembly through a second adjusting mechanism, and the angle of the welding gun assembly and the distance between the welding gun assembly and the corresponding dowel bar can be adjusted through the second adjusting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966861.3U CN210703376U (en) | 2019-06-25 | 2019-06-25 | Special automatic welder of dowel steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966861.3U CN210703376U (en) | 2019-06-25 | 2019-06-25 | Special automatic welder of dowel steel |
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| Publication Number | Publication Date |
|---|---|
| CN210703376U true CN210703376U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920966861.3U Active CN210703376U (en) | 2019-06-25 | 2019-06-25 | Special automatic welder of dowel steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238598A (en) * | 2019-06-25 | 2019-09-17 | 明阳科技（苏州）股份有限公司 | A kind of transmission rod Special automatic welding device |
-
2019
- 2019-06-25 CN CN201920966861.3U patent/CN210703376U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238598A (en) * | 2019-06-25 | 2019-09-17 | 明阳科技（苏州）股份有限公司 | A kind of transmission rod Special automatic welding device |
| CN110238598B (en) * | 2019-06-25 | 2024-04-19 | 明阳科技（苏州）股份有限公司 | Special automatic welding device for dowel bars |
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