CN110919159A

CN110919159A - Ultrasonic wave rivet welding machine

Info

Publication number: CN110919159A
Application number: CN201911388289.8A
Authority: CN
Inventors: 闫鹏飞; 徐敖奎
Original assignee: Taixing Ninghui Lithium Battery Co ltd
Current assignee: Taixing Ninghui Lithium Battery Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-03-27

Abstract

The invention discloses an ultrasonic rivet welding machine, which comprises: a clamping mechanism; the two support plates are respectively detachably arranged on the left side and the right side of the bottom of the clamping mechanism; the mounting plate is detachably arranged at the bottom of the inner side of the support plate; the ultrasonic rivet welding machine is connected to the top of the mounting plate through a screw; the welding gun is electrically connected with the ultrasonic rivet welding machine and is placed on the clamping mechanism; the baffle is detachably arranged on the rear side of the top of the clamping mechanism; and the positioning mechanism is detachably arranged at the top of the baffle. When workpieces are riveted, the welding spot can be marked, the phenomenon of welding missing is avoided, the quality of the workpieces is ensured, time and labor are saved in mechanical clamping and positioning, the working strength of workers is reduced, the body health of the workers is facilitated, and batch riveting and welding of the workpieces are facilitated.

Description

Ultrasonic wave rivet welding machine

Technical Field

The invention relates to the technical field of ultrasonic rivet welding machines, in particular to an ultrasonic rivet welding machine.

Background

The ultrasonic welder is characterized by that it uses a generator to produce 20KHz (or 15KHz) high-voltage and high-frequency signal, and utilizes a transducer system to convert the signal into high-frequency mechanical vibration, and adds it on the plastic product workpiece, and utilizes the friction between workpiece surface and molecules to raise the temp. transferred to interface, when the temp. is reached to the melting point of said workpiece self-body, the interface of workpiece can be quickly melted, and then filled in the gap between interfaces, and when the vibration is stopped, the workpiece can be simultaneously cooled and formed under a certain pressure so as to attain the goal of implementing perfect welding. Widely applied to toy industry, electrical appliance industry and automobile manufacturing industry;

in the workpiece batch rivet welding process, a plurality of points of the workpiece are welded by a welding gun, the body of a worker is gradually exhausted in long-time work, the welding spot cannot be marked, the welding missing phenomenon is easily caused, the service life of the workpiece is directly influenced, time and labor are wasted by manually holding the workpiece, the working strength of the worker is difficult to reduce, and the workpiece is to be further improved.

Disclosure of Invention

The invention aims to provide an ultrasonic rivet welding machine, which at least solves the problems that welding spot marks cannot be easily welded in the prior art, and workpieces are fixed, so that time and labor are wasted.

In order to achieve the purpose, the invention provides the following technical scheme: an ultrasonic riveter comprising:

a clamping mechanism;

the two support plates are respectively detachably arranged on the left side and the right side of the bottom of the clamping mechanism;

the mounting plate is detachably arranged at the bottom of the inner side of the support plate;

the ultrasonic rivet welding machine is connected to the top of the mounting plate through a screw;

the welding gun is electrically connected with the ultrasonic rivet welding machine and is placed on the clamping mechanism;

the baffle is detachably arranged on the rear side of the top of the clamping mechanism;

and the positioning mechanism is detachably arranged at the top of the baffle.

Preferably, the clamping mechanism includes: the left side and the right side of the bottom of the base are respectively detachably connected with the tops of the two supporting plates, the rear side of the top of the base is detachably connected with the bottom of the baffle, and the center positions of the left side and the right side of the top of the base are provided with first slide ways; the hanging ring is fixedly connected to the front side of the base, and the welding gun is placed in the hanging ring; the motor is connected to the middle part of the right side of the base through a screw, and the output end of the motor extends to the inner cavity of the base; one end of the screw rod is connected with the output end of the motor through a coupler, and the other end of the screw rod is rotatably connected with the left inner wall of the base through a bearing; the two guide rods are respectively arranged on the front side and the rear side of the inner cavity of the base along the left-right direction; the two screw nuts are respectively screwed on the left side and the right side of the outer wall of the screw rod and are sleeved on the outer wall of the guide rod; the connecting column is fixedly connected to the middle of the top end of the screw nut and penetrates through the inner cavity of the first slideway; the blocking unit is detachably arranged at the top of the connecting column, and the two blocking units are symmetrically arranged relative to the central point of the base.

Preferably, the positioning mechanism includes: the rear side of the bottom of the shell is detachably connected with the top of the baffle, and slots are formed in the periphery of the inner wall of the shell; the lamp panel is connected to the top of the shell through screws; the template is inserted into the inner cavity of the slot, and positioning unthreaded holes are formed in the top of the template from front to back; the two supports are respectively detachably arranged at the two ends of the front side of the shell; the sliding rod is arranged in the inner cavity of the support along the vertical direction; the spring and the sliding block are sleeved on the outer wall of the sliding rod from top to bottom; the light screen, the light screen can be dismantled and set up in the inboard of slider, and the light screen contacts with the front side of shell.

Preferably, the blocking unit includes: the bottom of the limiting plate is detachably connected with the top of the connecting plate, and a second slide way is arranged in the middle of the top end of the limiting plate along the left-right direction; the plug board is inserted in the inner cavity of the limiting plate; the two bolts are in threaded connection with the right side of the top of the insert plate and are in contact with the top of the limiting plate to brake the insert plate; the clamping plate is detachably arranged on the left side of the inserting plate.

Preferably, the threads on the left side and the right side of the outer wall of the screw rod are positive and negative threads.

Preferably, the surface area of the light shielding plate is larger than the area of the front opening of the housing.

Preferably, the nut width of the bolt is greater than the inner cavity width of the second slideway.

The ultrasonic rivet welding machine provided by the invention has the beneficial effects that:

the workpiece can be clamped and positioned through the clamping mechanism, the workpiece is prevented from displacing due to vibration during spot welding, the blocking unit can adjust the positions of the clamping plates according to the size difference of the workpiece, so that the clamping and positioning of different workpieces are realized, light can be irradiated on welding spots of the workpiece through the positioning mechanism to mark the welding spots, omission during spot welding of workers is prevented, matched templates can be replaced according to the workpiece, the welding spots can be marked during rivet welding of the workpiece, the phenomenon of weld leakage is avoided, the quality of the workpiece is guaranteed, the mechanical clamping and positioning are time-saving and labor-saving, the working strength of the workers is reduced, the body health of the workers is facilitated, and the workpieces are convenient to rivet and weld in batches.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of the clamping mechanism of FIG. 1;

FIG. 3 is a top cross-sectional view of FIG. 2;

FIG. 4 is a schematic structural diagram of the blocking unit in FIG. 2;

FIG. 5 is a front view of the positioning mechanism of FIG. 1;

FIG. 6 is an exploded view of FIG. 5;

fig. 7 is an enlarged view of a portion a in fig. 6.

In the figure: 2. clamping mechanism, 21, base, 22, first slide way, 23, link, 24, motor, 25, lead screw, 26, guide rod, 27, lead screw nut, 28, connecting column, 29, blocking unit, 291, limiting plate, 292, second slide way, 293, picture peg, 294, bolt, 295, splint, 3, supporting plate, 4, mounting plate, 5, ultrasonic rivet welding machine, 6, welding gun, 7, baffle, 8, positioning mechanism, 81, shell, 82, slot, 83, lamp panel, 84, template, 85, positioning unthreaded hole, 86, support, 87, slide bar, 88, spring, 89, slider, 810, light screen.

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.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an ultrasonic rivet welding machine, including fixture 2, backup pad 3, mounting panel 4, ultrasonic rivet welding machine 5, welder 6, baffle 7 and positioning mechanism 8, two backup pads 3 can be dismantled respectively and set up in fixture 2's the bottom left and right sides, mounting panel 4 can be dismantled and set up in the inboard bottom of backup pad 3, mounting panel 4 supports ultrasonic rivet welding machine 5, ultrasonic rivet welding machine 5 screwed connection is in mounting panel 4's top, welder 6 and ultrasonic rivet welding machine 5 electric connection, and welder 6 places on fixture 2, spot welding is carried out the work piece through welder 6, baffle 7 can be dismantled and set up in fixture 2's top rear side, baffle 7 can not only support positioning mechanism 8, can also carry out spacingly to the work piece, positioning mechanism 8 can dismantle the top that sets up in baffle 7.

As a preferable scheme, further, the clamping mechanism 2 comprises a base 21, a first slideway 22, a hanging ring 23, a motor 24, a lead screw 25, a guide rod 26, a lead screw nut 27, a connecting column 28 and a blocking unit 29, wherein the left side and the right side of the bottom of the base 21 are respectively detachably connected with the tops of the two supporting plates 3, the rear side of the top of the base 21 is detachably connected with the bottom of the baffle 7, the first slideway 22 is respectively arranged at the center positions of the left side and the right side of the top of the base 21, a sufficient movable space is reserved for the connecting column 28 through the first slideway 22, the hanging ring 23 is fixedly connected with the front side of the base 21, the welding gun 6 is placed in the hanging ring 23, the hanging ring 23 is used for fixing the welding gun 6, the motor 24 is in the middle of the right side of the base 21 by a screw, the output end of the motor 24 extends to the inner cavity of the base 21, the lead screw 25 is, and the other end of lead screw 25 passes through the bearing rotation with base 21's left inner wall and is connected, two guide arms 26 set up in both sides around base 21's inner chamber along the left-right direction respectively, guide arm 26 is spacing to screw nut 27, ensure that screw nut 27 can keep the level to control and remove, two screw nut 27 spiro union respectively in the outer wall left and right sides of lead screw 25, and screw nut 27 cup joints in the outer wall of guide arm 26, spliced pole 28 fixed connection is in screw nut 27's top middle part, and spliced pole 28 runs through the inner chamber of first slide 22, block that unit 29 can dismantle the top that sets up in spliced pole 28, and two block that unit 29 sets up for base 21's centrosymmetric.

As a preferable scheme, further, the positioning mechanism 8 includes a housing 81, an insertion slot 82, a lamp panel 83, a template 84, a positioning light hole 85, a support 86, a slide rod 87, a spring 88, a slide block 89 and a light shielding plate 810, the rear side of the bottom of the housing 81 is detachably connected with the top of the baffle 7, the bottom of the housing 81 is open, the insertion slot 82 is formed around the inner wall of the housing 81, the insertion slot 82 is used for fixing the template 84, the lamp panel 83 is screwed to the top of the housing 81, the lamp panel 83 is a lamp with color parallel light, it is ensured that the light can penetrate through the positioning light hole 85 and then directly irradiate on a workpiece, the color change is utilized to facilitate a worker to find a welding point, the template 84 is inserted into an inner cavity of the insertion slot 82, the top of the template 84 is provided with the positioning light hole 85 from front to back, the position of the positioning light hole 85 is selected according, two supports 86 can be dismantled respectively and set up in the front side both ends of shell 81, slide bar 87 sets up in the inner chamber of support 86 along the upper and lower direction, slide bar 87 is spacing to slider 89, it can make light screen 810 reciprocate to ensure slider 89, spring 88 and slider 89 cup joint in slide bar 87's outer wall from last to down, spring 88 is rotating spring, the elastic coefficient is 40N CM, spring 88 receives tensile or produces elastic deformation after the extrusion, resume to initial condition after getting rid of external force, utilize spring 88's elasticity drive slider 89 downstream, light screen 810 can be dismantled and set up in slider 89's inboard, and light screen 810 and shell 81's front side contact, light screen 810 is used for sheltering from of shell 81, prevent that the light that lamp plate 83 sent jets out from the side.

Preferably, the blocking unit 29 includes a limiting plate 291, a second slideway 292, an inserting plate 293, a bolt 294 and a clamping plate 295, the bottom of the limiting plate 291 is detachably connected to the top of the connecting plate 28, the limiting plate 291 limits the inserting plate 293, the second slideway 292 is formed in the middle of the top end of the limiting plate 291 along the left-right direction, the second slideway 292 reserves a sufficient moving space for the bolt 284, the inserting plate 293 is inserted into the inner cavity of the limiting plate 291, the inserting plate 293 supports the clamping plate 295, the two bolts 294 are screwed to the right side of the top of the inserting plate 293, the bolt 294 contacts with the top of the limiting plate 291 to brake the inserting plate 293, the workpiece is clamped by the clamping plate 295, and the clamping plate 295 is detachably disposed on the left side.

Preferably, the threads on the left and right sides of the outer wall of the screw 25 are positive and negative threads, and when the screw 25 is rotated clockwise or counterclockwise, the rotational force of the outer wall threads of the screw 25 drives the two screw nuts 27 to move inward or outward simultaneously.

Preferably, the surface area of the light shielding plate 810 is larger than the area of the front opening of the housing 81, so that the light shielding plate 810 can completely shield the front side of the housing 81 to prevent light from escaping from the front side of the housing 81.

Preferably, the width of the nut of the bolt 294 is larger than the width of the cavity of the second slideway 292, so that the bolt 294 can stably abut against the upper surface of the position limiting plate 291, and the bolt 294 can be positioned against the inserting plate 293.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the welding gun is used, a workpiece is placed on the base 21, the control motor 24 drives the screw rod 25 to rotate clockwise, threads on the left side and the right side of the outer wall of the screw rod 25 are positive threads and negative threads, threads of the screw rod 25 drive the two screw rod nuts 27 to slide inwards along the outer wall of the guide rod 26, the connecting column 28 drives the blocking unit 29 to move inwards along with the screw rod nuts 27, so that the two clamping plates 295 clamp and fix the workpiece, the control lamp plate 83 emits light, the light passes through the positioning unthreaded hole 85 on the template 84 to irradiate welding spots on the workpiece, the welding spots are marked, a worker can hold the welding gun 6 to spot-weld the workpiece, when the workpiece needs to be replaced by the spot-welding workpiece, the shading plate 810 is lifted upwards, the sliding block 89 is driven to move upwards along the outer wall of the sliding rod 87 and press the spring 88 until the template 84 is exposed, the template 84 is drawn out from the slot 82, the needed template, the light screen 810 shields the front side opening of shell 81, the change of template 84 is accomplished, it removes the location to picture peg 293 to twist bolt 294 rebound again, according to the size of treating the spot welding work piece, make picture peg 293 remove about, move to required position until picture peg 293, screw bolt 294 again, make bolt 294 and limiting plate 291 contact and relocate splint 295, alright press from both sides tight spot welding to the work piece, thereby when in-service use, usable light is to work piece solder joint mark, avoid the phenomenon of weld omission to appear in spot welding, in addition, can be fixed to the work piece of different shapes, therefore, the clothes hanger is strong in practicability, reduce staff intensity of labour, and is favorable to promoting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ultrasonic rivet welding machine, comprising:

a clamping mechanism (2);

the two supporting plates (3) are respectively detachably arranged at the left side and the right side of the bottom of the clamping mechanism (2);

the mounting plate (4), the mounting plate (4) is detachably arranged at the bottom of the inner side of the support plate (3);

the ultrasonic riveting and welding machine (5), the ultrasonic riveting and welding machine (5) is connected to the top of the mounting plate (4) through screws;

the welding gun (6), the welding gun (6) is electrically connected with the ultrasonic rivet welding machine (5), and the welding gun (6) is placed on the clamping mechanism (2);

the baffle (7), the baffle (7) is detachably arranged at the rear side of the top of the clamping mechanism (2);

and the positioning mechanism (8) is detachably arranged at the top of the baffle (7).

2. An ultrasonic riveter according to claim 1 wherein: the clamping mechanism (2) comprises:

the left side and the right side of the bottom of the base (21) are detachably connected with the tops of the two supporting plates (3) respectively, the rear side of the top of the base (21) is detachably connected with the bottom of the baffle (7), and the center positions of the left side and the right side of the top of the base (21) are provided with first slide ways (22);

the hanging ring (23) is fixedly connected to the front side of the base (21), and the welding gun (6) is placed in the hanging ring (23);

the motor (24), the said motor (24) screw connects to the right side middle part of the base (21), and the output end of the motor (24) extends to the cavity of the base (21);

one end of the lead screw (25) is connected with the output end of the motor (24) through a coupler, and the other end of the lead screw (25) is rotatably connected with the left inner wall of the base (21) through a bearing;

the two guide rods (26) are respectively arranged on the front side and the rear side of the inner cavity of the base (21) along the left-right direction;

the two screw nuts (27) are respectively screwed on the left side and the right side of the outer wall of the screw rod (25), and the screw nuts (27) are sleeved on the outer wall of the guide rod (26);

the connecting column (28) is fixedly connected to the middle of the top end of the screw nut (27), and the connecting column (28) penetrates through the inner cavity of the first slideway (22);

the blocking unit (29) is detachably arranged at the top of the connecting column (28), and the two blocking units (29) are symmetrically arranged relative to the central point of the base (21).

3. An ultrasonic riveter according to claim 1 wherein: the positioning mechanism (8) comprises:

the rear side of the bottom of the shell (81) is detachably connected with the top of the baffle (7), and slots (82) are formed in the periphery of the inner wall of the shell (81);

the lamp panel (83) is connected to the top of the shell (81) through screws;

the template (84) is inserted into the inner cavity of the slot (82), and positioning unthreaded holes (85) are formed in the top of the template (84) from front to back;

the two supports (86) are respectively detachably arranged at two ends of the front side of the shell (81);

the sliding rod (87), the sliding rod (87) is arranged in the inner cavity of the support (86) along the up-down direction;

the spring (88) and the sliding block (89) are sleeved on the outer wall of the sliding rod (87) from top to bottom;

and the light shielding plate (810), wherein the light shielding plate (810) is detachably arranged on the inner side of the sliding block (89), and the light shielding plate (810) is contacted with the front side of the shell (81).

4. An ultrasonic riveter according to claim 1 wherein: the blocking unit (29) comprises:

the bottom of the limiting plate (291) is detachably connected with the top of the connecting plate (28), and a second slide way (292) is formed in the middle of the top end of the limiting plate (291) along the left-right direction;

the inserting plate (293) is inserted into the inner cavity of the limiting plate (291);

the two bolts (294) are screwed on the right side of the top of the inserting plate (293), and the bolts (294) contact with the top of the limiting plate (291) to brake the inserting plate (293);

splint (295), splint (295) can dismantle the setting in the left side of picture peg (293).

5. An ultrasonic riveter according to claim 2 wherein: the left and right threads of the outer wall of the lead screw (25) are positive and negative threads.

6. An ultrasonic riveter according to claim 3 wherein: the surface area of the light shielding plate (810) is larger than the area of the front opening of the shell (81).

7. An ultrasonic riveter according to claim 4 wherein: the width of the nut of the bolt (294) is greater than the width of the inner cavity of the second slideway (292).