Full-automatic unilateral spot welding machine
阅读说明:本技术 全自动单侧点焊机 (Full-automatic unilateral spot welding machine ) 是由 傅勇 于 2019-12-10 设计创作,主要内容包括:本发明提供一种全自动单侧点焊机,其包括输送线体、定位模具、伺服分度机构、加压机构、侧顶机构以及送料机构,其中定位模具滑动设置在输送线体上,用于定位放置定子,伺服分度机构位于输送线体的上方,用于与定子连接以带动定子转动,加压机构位于伺服分度机构的一侧,用于对定子上的线耳进行加压焊接,侧顶机构位于与加压机构相对的另一侧,用于对伺服分度机构形成支撑,送料机构用于推动定位模具以及定位模具内的定子上升以与伺服分度机构配对。本发明的全自动单侧点焊机通过设置侧顶机构,使得加压机构对定子上的线耳进行加压焊接时,侧顶机构能在伺服分度机构的另一侧给予平衡力,从而能保护设备,延长设备使用寿命。(The invention provides a full-automatic unilateral spot welding machine which comprises a conveyor line body, a positioning die, a servo indexing mechanism, a pressurizing mechanism, a lateral jacking mechanism and a feeding mechanism, wherein the positioning die is arranged on the conveyor line body in a sliding mode and used for positioning and placing a stator, the servo indexing mechanism is arranged above the conveyor line body and used for being connected with the stator to drive the stator to rotate, the pressurizing mechanism is arranged on one side of the servo indexing mechanism and used for carrying out pressure welding on a wire lug on the stator, the lateral jacking mechanism is arranged on the other side opposite to the pressurizing mechanism and used for supporting the servo indexing mechanism, and the feeding mechanism is used for pushing the positioning die and the stator in the positioning die to ascend to be matched with the servo indexing mechanism. According to the full-automatic single-side spot welding machine, the side jacking mechanism is arranged, so that when the pressurizing mechanism performs pressurizing welding on the wire lug on the stator, the side jacking mechanism can apply balancing force to the other side of the servo indexing mechanism, equipment can be protected, and the service life of the equipment can be prolonged.)
1. A full-automatic unilateral spot welder for the lug on the pressure welding stator for the lug compresses tightly the enameled wire and gets rid of on the enameled wire by the coating with lacquer that the lug compressed tightly the position, its characterized in that includes:
a conveyor line body;
the positioning die is arranged on the conveying line body in a sliding mode and used for positioning and placing the stator;
the servo indexing mechanism is positioned above the conveying line body and is used for being connected with the stator to drive the stator to rotate according to a set stroke;
the pressurizing mechanism is arranged above the conveying line body and positioned on one side of the servo indexing mechanism and is used for pressurizing and welding wire lugs on the stator;
the side jacking mechanism is arranged above the conveying line body and positioned on the other side opposite to the pressurizing mechanism and is used for supporting the servo indexing mechanism so as to balance the pressure of the pressurizing mechanism on the servo indexing mechanism; and
and the feeding mechanism is positioned below the conveying line body and used for pushing the positioning die and the stator in the positioning die to ascend so as to be matched with the servo indexing mechanism, so that the pressurizing mechanism is used for pressurizing and welding the plurality of lugs on the peripheral side of the stator.
2. The fully automatic single-sided spot welder according to claim 1, wherein the side-top mechanism comprises a base frame, a cylinder, a fixture, and rollers;
the base frame is fixedly connected to the conveying line body, the cylinder is fixedly connected to the base frame, the fixing portion is fixedly connected to one end of a telescopic rod of the cylinder, the roller is rotatably connected to the fixing portion, and a circumferential rolling surface of the roller is used for being in rolling contact with the servo indexing mechanism to support the servo indexing mechanism.
3. The full-automatic one-sided spot welder according to claim 2, wherein the side-jacking mechanism further comprises a guide post, an axial direction of the guide post is consistent with an axial direction of the telescopic rod, one end of the guide post is slidably connected with the base frame, and the other end of the guide post is fixedly connected with the fixing portion.
4. The full-automatic one-sided spot welding machine according to claim 3, wherein the fixing portion comprises a connecting plate and a connecting block, two ends of the connecting plate are respectively fixedly connected with a telescopic rod of the cylinder and the guide post, and the connecting block is detachably connected to one side of the connecting plate away from the telescopic rod;
the connecting block is provided with two rollers, the rotating axes of the two rollers are parallel to the rotating axis of the servo indexing mechanism, and the welding point on the stator is positioned on the symmetrical plane between the two rollers;
the connecting plate is provided with a first threaded hole, the connecting block is provided with a first elongated connecting hole corresponding to the first threaded hole, and the radial length direction of the first connecting hole is approximately perpendicular to the rotation axis of the servo indexing mechanism so as to adjust the position of the roller relative to the servo indexing mechanism.
5. The full-automatic one-sided spot welding machine according to claim 4, wherein the roller comprises an inner ring and an outer ring rotatably connected to the outer periphery of the inner ring, the inner ring of the roller is fixed to the top surface of the connecting block by a fixing screw, the circumferential rolling surface of the outer ring is used for rolling contact with the servo indexing mechanism, and a locking screw is further connected to the side surface of the connecting block and in contact with the fixing screw.
6. The fully automatic one-sided spot welder of claim 1, further comprising a detection mechanism for detecting a lug on a stator prior to welding, the detection mechanism located on one side of the conveyor line body and below the side jacking mechanism;
the detection mechanism comprises a first driving part, a first lifting plate, a detection needle and a correlation sensor, the detection needle comprises a barrel body and a needle body which is connected in the barrel body in a penetrating and sliding manner, and the first driving part is used for driving the first lifting plate to lift;
the correlation sensor sets up the top of first lifter plate, the barrel runs through to be fixed on the first lifter plate, the one end of needle body be used for with the contact of line ear, the other end be used for extending to respond to between the correlation response region of correlation sensor.
7. The full-automatic single-sided spot welder according to claim 6, wherein the first lifting plate is provided with positioning through holes conforming to the peripheral profile of the stator;
the detection needle further comprises a spring limited in the barrel, and the spring is used for extruding the needle body to slide downwards so that the needle body is separated from the induction of the correlation sensor;
the first lifting plate is provided with a plurality of detection needles which are in one-to-one correspondence with the wire lugs on the stator, and the first lifting plate is provided with one correlation sensor.
8. The fully automatic one-sided spot welder of claim 1, further comprising a detection mechanism for detecting a lug on a stator before welding, the detection mechanism located on one side of the conveyor line body and below the side jacking mechanism, the detection mechanism comprising a second drive portion, a second lifting plate, and a distance sensor disposed on the second lifting plate, the distance sensor located opposite the lug of the stator.
9. The full-automatic one-sided spot welder according to claim 6, wherein the pressurizing mechanism further comprises a lifting module, a moving module, a slide, a copper rod, a tungsten rod, a pressurizing device, a cover plate, a first connecting rod and a second connecting rod;
the moving module is arranged on the lifting module, the lifting module controls lifting according to detection information of the detection mechanism, the sliding seat is connected to the moving module to obtain movement towards the direction of the servo indexing mechanism, and the first connecting rod, the second connecting rod and the pressurizing device are arranged on the sliding seat;
the utility model discloses a servo indexing mechanism, including servo indexing mechanism, first connecting rod, copper bar, pressure device, copper bar, first connecting rod, servo indexing mechanism, the first connecting rod is close to servo indexing mechanism's one end is connected the tungsten bar, and the other end is connected pressure device, the extending direction of tungsten bar with the extending direction of first connecting rod is unanimous, the copper bar slope is connected the tip of second connecting rod, the copper bar passes through the apron is pressed admittedly in the week side of second connecting rod, so that the copper bar with the tungsten bar homoenergetic contacts with the lug and forms the electric property return circuit.
10. The full-automatic one-sided spot welder according to claim 9, wherein a first positioning groove and a second positioning groove for fixing the copper bar are provided on the cover plate, and the first positioning groove and the second positioning groove are arranged to intersect each other, so that the copper bar is fixed by the first positioning groove or the second positioning groove, and the copper bar is at different inclination angles.
Technical Field
The invention relates to the field of spot welding machines, in particular to a full-automatic single-side spot welding machine.
Background
The stator of the motor is wound with a coil, the stator wire lug is injection-molded on the stator plastic end cover, poor conduction between the coil and the stator wire lug can cause abnormal motor power and reduced service life, and therefore good conduction between the coil and the wire lug must be ensured in the processing process of the stator. In the industry, a coil is wound on a lug, the lug is deformed and welded on a stator by pressurizing and heating the lug, and meanwhile, a coil varnish is gasified and extruded at high temperature, so that the permanent connection and conduction between the coil and the lug are realized. In the prior art, the lugs on a plurality of stators are not distributed on the periphery of the stators in an opposite mode, so that the lugs need to be subjected to spot welding one by one, but the spot welding operation is performed from one side, and due to unbalanced stress, parts of spot welding equipment are easy to damage after the spot welding equipment becomes long.
Therefore, it is necessary to provide a fully automatic single-side spot welding machine to solve the above technical problems.
Disclosure of Invention
The invention provides a full-automatic single-side spot welding machine, which is provided with a side jacking mechanism, so that when a pressurizing mechanism pressurizes and welds a lug on a stator, the side jacking mechanism can apply a balancing force to the other side of a servo indexing mechanism, equipment can be protected, the service life of the equipment is prolonged, and the problem that parts of the spot welding equipment are easily damaged due to unbalanced stress and long-term use when the spot welding machine in the prior art performs spot welding operation from one side is solved.
In order to solve the technical problems, the technical scheme of the invention is as follows: a full-automatic unilateral point welding machine is used for the lug on the pressure welding stator for the lug compresses tightly the enameled wire and gets rid of the enamel coating that is compressed tightly the position by the lug on the enameled wire, it includes:
a conveyor line body;
the positioning die is arranged on the conveying line body in a sliding mode and used for positioning and placing the stator;
the servo indexing mechanism is positioned above the conveying line body and is used for being connected with the stator to drive the stator to rotate according to a set stroke;
the pressurizing mechanism is arranged above the conveying line body and positioned on one side of the servo indexing mechanism and is used for pressurizing and welding wire lugs on the stator;
the side jacking mechanism is arranged above the conveying line body and positioned on the other side opposite to the pressurizing mechanism and is used for supporting the servo indexing mechanism so as to balance the pressure of the pressurizing mechanism on the servo indexing mechanism; and
and the feeding mechanism is positioned below the conveying line body and used for pushing the positioning die and the stator in the positioning die to ascend so as to be matched with the servo indexing mechanism, so that the pressurizing mechanism is used for pressurizing and welding the plurality of lugs on the peripheral side of the stator.
In the invention, the side jacking mechanism comprises a base frame, a cylinder, a fixing part and a roller;
the base frame is fixedly connected to the conveying line body, the cylinder is fixedly connected to the base frame, the fixing portion is fixedly connected to one end of a telescopic rod of the cylinder, the roller is rotatably connected to the fixing portion, and a circumferential rolling surface of the roller is used for being in rolling contact with the servo indexing mechanism to support the servo indexing mechanism.
The lateral ejection mechanism further comprises a guide pillar, the axial direction of the guide pillar is consistent with the axial direction of the telescopic rod, one end of the guide pillar is connected with the base frame in a sliding mode, and the other end of the guide pillar is fixedly connected with the fixing portion.
Furthermore, the fixing part comprises a connecting plate and a connecting block, two ends of the connecting plate are respectively and fixedly connected with a telescopic rod of the air cylinder and the guide pillar, and the connecting block is detachably connected to one side of the connecting plate, which is far away from the telescopic rod;
the connecting block is provided with two rollers, the rotating axes of the two rollers are parallel to the rotating axis of the servo indexing mechanism, and the welding point on the stator is positioned on the symmetrical plane between the two rollers;
the connecting plate is provided with a first threaded hole, the connecting block is provided with a first elongated connecting hole corresponding to the first threaded hole, and the radial length direction of the first connecting hole is approximately perpendicular to the rotation axis of the servo indexing mechanism so as to adjust the position of the roller relative to the servo indexing mechanism.
Furthermore, the roller comprises an inner ring and an outer ring which is rotatably connected to the periphery of the inner ring, the inner ring of the roller is fixed to the top surface of the connecting block through a fixing screw, a circumferential rolling surface of the outer ring is used for being in rolling contact with the servo indexing mechanism, a locking screw is further connected to the side surface of the connecting block, and the locking screw is in contact with the fixing screw.
In the invention, the full-automatic single-side spot welding machine further comprises a detection mechanism for detecting a wire lug on the stator before welding, wherein the detection mechanism is positioned on one side of the conveying line body and below the side jacking mechanism;
the detection mechanism comprises a first driving part, a first lifting plate, a detection needle and a correlation sensor, the detection needle comprises a barrel body and a needle body which is connected in the barrel body in a penetrating and sliding manner, and the first driving part is used for driving the first lifting plate to lift;
the correlation sensor sets up the top of first lifter plate, the barrel runs through to be fixed on the first lifter plate, the one end of needle body be used for with the contact of line ear, the other end be used for extending to respond to between the correlation response region of correlation sensor.
Furthermore, a positioning through hole consistent with the peripheral outline of the stator is formed in the first lifting plate;
the detection needle further comprises a spring limited in the barrel, and the spring is used for extruding the needle body to slide downwards so that the needle body is separated from the induction of the correlation sensor;
the first lifting plate is provided with a plurality of detection needles which are in one-to-one correspondence with the wire lugs on the stator, and the first lifting plate is provided with one correlation sensor.
In the invention, the full-automatic single-side spot welding machine further comprises a detection mechanism for detecting a wire lug on the stator before welding, the detection mechanism is positioned on one side of the conveying line body and below the side jacking mechanism, the detection mechanism comprises a second driving part, a second lifting plate and a distance sensor arranged on the second lifting plate, and the position of the distance sensor is opposite to the wire lug of the stator.
In addition, the pressurizing mechanism further comprises a lifting module, a moving module, a sliding seat, a copper rod, a tungsten rod, a pressurizing device, a cover plate, a first connecting rod and a second connecting rod;
the moving module is arranged on the lifting module, the lifting module controls lifting according to detection information of the detection mechanism, the sliding seat is connected to the moving module to obtain movement towards the direction of the servo indexing mechanism, and the first connecting rod, the second connecting rod and the pressurizing device are arranged on the sliding seat;
the utility model discloses a servo indexing mechanism, including servo indexing mechanism, first connecting rod, copper bar, pressure device, copper bar, first connecting rod, servo indexing mechanism, the first connecting rod is close to servo indexing mechanism's one end is connected the tungsten bar, and the other end is connected pressure device, the extending direction of tungsten bar with the extending direction of first connecting rod is unanimous, the copper bar slope is connected the tip of second connecting rod, the copper bar passes through the apron is pressed admittedly in the week side of second connecting rod, so that the copper bar with the tungsten bar homoenergetic contacts with the lug and forms the electric property return circuit.
Further, be provided with on the apron and be used for fixing the first constant head tank and the second constant head tank of bar copper, first constant head tank with second constant head tank cross arrangement to it is fixed through first constant head tank or through the second constant head tank the bar copper, so that the bar copper is and sets for different inclination.
The side of the second connecting rod is provided with a second threaded hole and a third threaded hole, a second connecting hole is formed in the cover plate, when the screw passes through the second connecting hole and the second threaded hole is connected, the cover plate is fixed through the first positioning groove, when the screw passes through the second connecting hole and the third threaded hole is connected, the cover plate is fixed through the second positioning groove and the copper rod.
Compared with the prior art, the invention has the beneficial effects that: according to the full-automatic single-side spot welding machine, the side jacking mechanism is arranged, so that when the pressurizing mechanism performs pressurizing welding on the wire lug on the stator, the side jacking mechanism can apply a balancing force to the other side of the servo indexing mechanism, equipment can be protected, and the service life of the equipment is prolonged;
the side top mechanism is driven by the cylinder to move through the fixing portion, so that the roller on the fixing portion is in rolling contact with the servo indexing mechanism, the servo indexing mechanism is not influenced in rotation when the side top is formed, on the other hand, the fixing portion is in sliding connection with the base frame through the guide pillar, the roller is arranged on the fixing portion through the fixing screw and the anti-loosening screw, and the side top mechanism is more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.
Fig. 1 is a schematic structural view of a preferred embodiment of the fully automatic single-sided spot welder of the present invention.
Fig. 2 is an exploded view of the full automatic single-side spot welder of the present invention.
Fig. 3 is a schematic structural view of the side roof mechanism.
Fig. 4 is a schematic view of a connection structure of the fixing portion of the side top mechanism and the roller.
Fig. 5 is a schematic structural view of the detection mechanism.
Fig. 6 is a schematic structural view of a stator and a positioning mold.
Fig. 7 is a partial structural schematic view of a pressurizing mechanism of the full-automatic single-side spot welding machine of the invention.
Fig. 8 is a schematic structural view of the cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.
The terms "first," "second," and the like in the terms of the invention are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., the connection may be a detachable connection or a connection in a unitary structure; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the prior art, the lugs on a plurality of stators are not distributed oppositely on the peripheral side of the stators, so that the lugs need to be subjected to spot welding one by one, but the spot welding operation is carried out from one side, and the stress is unbalanced, so that each part of the spot welding equipment is easy to damage after the stator is used for a long time.
The following is a preferred embodiment of the present invention that provides a fully automatic single-sided spot welder that solves the above technical problems.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a preferred embodiment of the full-automatic single-side spot welder of the present invention, and fig. 2 is a schematic structural diagram of an explosion of the full-automatic single-side spot welder of the present invention.
In the drawings, elements having similar structures are denoted by the same reference numerals.
The invention provides a full-automatic unilateral spot welding machine which is used for pressure welding of a
It should be noted that a control host is further connected to one side of the
The
The
The
The
The
According to the full-automatic single-side spot welding machine, the
Referring to fig. 6, the positioning
the
The positioning
The sliding
The positioning through
In addition, the
The two ends of the feeding shaft are respectively connected with the driving module and the feeding base to drive the feeding base to ascend towards the
Referring to fig. 3, fig. 3 is a schematic structural diagram of the side-top mechanism.
In the present invention, the
The base frame is fixedly connected to the
The base frame comprises a main supporting
In addition, the
Referring to fig. 4, the fixing
Two
As shown in fig. 4, the connecting
In the present embodiment, a first threaded hole is provided on the connecting
The
Referring to fig. 5, fig. 5 is a schematic structural diagram of the detection mechanism.
In the invention, the full-automatic single-side spot welding machine further comprises a
The height positions of the wire lugs on different stators are different, and the wire lugs 191 are detected by the
The
the
The
Preferably, a positioning through hole 331 conforming to the outer peripheral profile of the
The
Preferably, a plurality of detection pins 34 corresponding to the wire lugs 191 of the
The detecting
When the full-automatic single-side spot welding machine is used for processing stators with more than two specifications, wherein the height positions of the wire lugs have more than two different specifications, in this case, a detection mechanism with another structure can be adopted, and the detection mechanism comprises a second driving part, a second lifting plate and a distance sensor arranged on the second lifting plate, wherein the second driving part and the second lifting plate are consistent with the first driving
Compared with the
Referring to fig. 7, fig. 7 is a partial structural schematic view of a pressing mechanism of the full-automatic single-side spot welding machine of the present invention.
The
the moving
One end of the first connecting rod 145 close to the
An elastic member 1441 is further arranged between the second connecting rod 144 and the limit plate 1431, the direction of the elastic force of the elastic member 1441 is consistent with the sliding track of the sliding seat 143, the contact between the copper bar 147 and the
Referring to fig. 8, the cover plate 149 is provided with a first positioning groove 41 and a second positioning groove 42 for fixing the copper bar 147, and the first positioning groove 41 and the second positioning groove 42 are arranged in a crossing manner, so that the copper bar 147 is fixed through the first positioning groove 41 or the second positioning groove 42, and the copper bar 147 is set to have different inclination angles, thereby achieving high utilization rate, cost saving, and good compatibility.
Specifically, a second threaded hole and a third threaded hole may be provided on the peripheral side of the second connecting rod 144, a second connecting hole 43 is provided on the cover plate 149, and the cover plate 149 of this embodiment is provided with 2 second connecting holes, that is, four threaded holes are required to be provided on the peripheral side of the second connecting rod 144;
when the screw is connected with the second screw hole through the second connecting hole 43, the cover plate 149 fixes the copper bar 147 through the first positioning groove 41, and when the screw is connected with the third screw hole through the second connecting hole 43, the cover plate 149 fixes the copper bar 147 through the second positioning groove 42.
The working principle of the full-automatic unilateral spot welding machine is as follows: a
then, the control host can correspondingly control the
when the
then, the moving
after one
After the welding is completed, the feeding shaft of the
Thus, the process of spot welding the lug of the stator by the full-automatic single-side spot welding machine of the preferred embodiment is completed.
According to the full-automatic single-side spot welding machine in the preferred embodiment, the side jacking mechanism is arranged, so that when the pressurizing mechanism performs pressurizing welding on the wire lug on the stator, the side jacking mechanism can apply balancing force to the other side of the servo indexing mechanism, equipment can be protected, and the service life of the equipment can be prolonged;
the side top mechanism is driven by the cylinder to move through the fixing portion, so that the roller on the fixing portion is in rolling contact with the servo indexing mechanism, the servo indexing mechanism is not influenced in rotation when the side top is formed, on the other hand, the fixing portion is in sliding connection with the base frame through the guide pillar, the roller is arranged on the fixing portion through the fixing screw and the anti-loosening screw, and the side top mechanism is more stable.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
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