CN213006603U

CN213006603U - Ultrasonic welding machine

Info

Publication number: CN213006603U
Application number: CN202021140291.1U
Authority: CN
Inventors: 罗凯
Original assignee: Ningbo Qingda Ultrasonic Technology Co ltd
Current assignee: Ningbo Qingda Ultrasonic Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-04-20
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses an ultrasonic welding machine, stand including bottom plate and vertical setting at the bottom plate rear side, the stand on be provided with the backup pad of oscilaltion, the front end of backup pad install the ultrasonic bonding casing, the ultrasonic bonding casing carry out the oscilaltion along the backup pad by the cylinder drive of its upper end, the lower extreme of ultrasonic bonding casing be fixed with the ultrasonic vibrator, the ultrasonic vibrator on be provided with the piezoceramics piece. The utility model discloses novel structure can guarantee ultrasonic welding device limit position's accuracy, has guaranteed ultrasonic welding's quality, can also reduce the transmission of the vibration that the oscillator produced in the installation oscillator, can keep the stability in the welding process, avoids the leaky wave.

Description

Ultrasonic welding machine

Technical Field

The utility model relates to a welding machine field specifically is an ultrasonic welding machine.

Background

The ultrasonic welding machine is widely applied, can be used for welding plastics, metal, also can be used for cutting mask, lug welding and mask banding etc., to under the great condition of present mask demand, ultrasonic welding machine's use is more frequent, present ultrasonic welding machine's ultrasonic welding device all need carry out the oscilaltion, though the oscilaltion is through cylinder control, but the stroke of cylinder control is inaccurate, and ultrasonic welding machine's decline position requires very accurate, so need an accurate and fast adjustable stroke stop device to solve this problem.

In addition, the existing ultrasonic welding machine is internally provided with a vibrator to generate ultrasonic vibration, but the vibration of the vibrator is often transmitted to a machine body or a die, so that the welding precision is reduced, and leaky waves at the edge part are also generated.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ultrasonic welding machine, novel structure can guarantee ultrasonic welding device limit position's accuracy, has guaranteed ultrasonic welding's quality, can also reduce the transmission of the vibration that the oscillator produced in the installation oscillator, can keep the stability in the welding process, avoids the leaky wave.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultrasonic welding machine, includes bottom plate and vertical setting at the stand of bottom plate rear side, the stand on be provided with the backup pad that can the oscilaltion, the front end of backup pad install the ultrasonic bonding casing, the ultrasonic bonding casing carry out the oscilaltion along the backup pad by the cylinder drive of its upper end, the lower extreme of ultrasonic bonding casing be fixed with the ultrasonic vibrator, the ultrasonic vibrator on be provided with piezoceramics piece.

Preferably, a heat dissipation fan is mounted on the upper portion of the ultrasonic welding housing.

Preferably, a pair of oscillator columns are arranged on the upper side of the ultrasonic oscillator side by side, and each oscillator column is provided with a piezoelectric ceramic piece.

Preferably, a rack is arranged on one side of the upright post, a hand wheel is arranged on one side of the supporting plate, a gear meshed with the rack is arranged in the hand wheel, and the hand wheel is rotated to drive the supporting plate to lift up and down.

Preferably, the rear side of the ultrasonic welding shell is sleeved on a rear guide rod on the support plate, and the front end of the ultrasonic welding shell is sleeved on a front guide rod at the front end of the support plate.

Preferably, the lower part of the supporting plate is provided with a stroke limiting mechanism, the stroke limiting mechanism comprises a limiting baffle plate which is arranged at the bottom of the inner side of the supporting plate and is positioned on the lower side of the ultrasonic welding shell, the bottom of the supporting plate vertically penetrates through a micrometer handle, a screw rod extending out of the upper end of the micrometer handle is abutted against the lower end of the limiting baffle plate, and one side of the micrometer handle is provided with a limiting rod which is vertically lifted and is connected with the lower end of the limiting baffle plate.

Preferably, the outer side of the limiting rod is connected with the supporting plate through a sleeved shaft sleeve, a locking nut is transversely arranged on the shaft sleeve, and one end of the locking nut abuts against the side wall of the limiting rod.

Preferably, the lower end of the ultrasonic welding shell is axially provided with a middle sleeve, the lower end of the middle sleeve is provided with a lower flange, the inner sides of the lower flange and the middle sleeve are provided with a lower vibration damping gasket and an upper vibration damping pressing sheet, the part of the ultrasonic vibrator is clamped between the lower vibration damping gasket and the upper vibration damping pressing sheet, and the lower vibration damping gasket and the upper vibration damping pressing sheet are made of Teflon materials.

Preferably, a circle of positioning convex ribs extending radially are arranged on the outer side wall of the middle of the ultrasonic vibrator, the positioning convex ribs are clamped between the vibration damping lower gasket and the vibration damping upper pressing sheet, and the lower end of the lower flange is provided with a plurality of horizontal adjusting screw rods which are vertically upwards abutted against the lower end of the vibration damping lower gasket around the circumference.

Preferably, the upper side edge of the vibration-damping lower gasket is provided with a circle of flange, the outer side of the flange is an arc surface, the positioning convex rib is positioned on the inner side of the flange, and the inner side wall of the middle sleeve is provided with a conical surface matched with the arc surface.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the structure is novel, the operation is convenient, and the automation degree is high;

2. the limiting structure is reliable and accurate, the position of the limiting baffle can be accurately adjusted through the micrometer handle, the accuracy of the limiting position of the ultrasonic welding device is guaranteed, and the quality of ultrasonic welding is guaranteed;

3. the vibrator can be installed, meanwhile, the transmission of vibration generated by the vibrator is reduced, the stability in the welding process can be kept, and wave leakage is avoided.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a front view of the structure of the half-section of the present invention;

FIG. 3 is a partial structural view of the present invention;

FIG. 4 is a partial half-section structure view of the present invention;

fig. 5 is a partial half-section structure diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides an ultrasonic welding machine, including bottom plate 11 and the vertical stand 1 that sets up at bottom plate 11 rear side, stand 1 on be provided with backup pad 2 that can the oscilaltion, the front end of backup pad 2 install ultrasonic bonding casing 9, ultrasonic bonding casing 9 carry out the oscilaltion along backup pad 2 by the cylinder 7 drive of its upper end, the lower extreme of ultrasonic bonding casing 9 be fixed with ultrasonic vibrator 10, ultrasonic vibrator 10 on be provided with the piezoceramics piece.

The lower end of the ultrasonic vibrator 10 can be provided with a welding mould, the piezoelectric ceramic piece is attached to the outer side of the ultrasonic vibrator 10, the piezoelectric ceramic piece can generate vibration under certain high-frequency electricity after being electrified to drive the ultrasonic vibrator 10 to vibrate together, and the ultrasonic vibrator 10 drives the mould to vibrate ultrasonically.

In order to rapidly dissipate heat of the piezoelectric ceramic piece, the upper part of the ultrasonic welding shell 9 is provided with a heat dissipation fan 13, meanwhile, the upper side of the ultrasonic vibrator 10 is provided with a pair of vibrator columns 12 side by side, each vibrator column 12 is provided with the piezoelectric ceramic piece, and the structure can ensure that the ultrasonic vibrator 10 vibrates uniformly.

The upright post is characterized in that a rack 4 is arranged on one side of the upright post 1, a hand wheel 3 is arranged on one side of the support plate 2, a gear meshed with the rack 4 is installed in the hand wheel 3, and the hand wheel 3 is rotated to drive the support plate 2 to ascend and descend.

In order to ensure that the ultrasonic welding shell 9 can be lifted stably, the rear side of the ultrasonic welding shell 9 is sleeved on the rear guide rod 6 on the supporting plate 2, and the front end of the ultrasonic welding shell 9 is sleeved on the front guide rod 8 at the front end of the supporting plate 2.

In order to accurately limit the descending position of the ultrasonic welding shell 9, the lower part of the supporting plate 2 is provided with a stroke limiting mechanism 5, the stroke limiting mechanism 5 comprises a limiting baffle 53 which is arranged at the bottom of the inner side of the supporting plate 2 and is positioned on the lower side of the ultrasonic welding shell 9, the bottom of the supporting plate 2 vertically penetrates through a micrometer handle 57, a screw rod extending out of the upper end of the micrometer handle 57 abuts against the lower end of the limiting baffle 53, and one side of the micrometer handle 57 is provided with a limiting rod 56 which is vertically lifted and is connected with the lower end of the limiting baffle 53.

The outer side of the limiting rod 56 is connected with the supporting plate 2 through a sleeved shaft sleeve 55, a locking nut 54 is transversely arranged on the shaft sleeve 55, one end of the locking nut 54 abuts against the side wall of the limiting rod 56, the locking nut 54 is firstly unscrewed during adjustment, a screw rod of the micrometer handle 57 can be lifted by rotating the micrometer handle 57, the position of the limiting baffle 53 is adjusted, the locking nut 54 is screwed down after the adjustment, and the accurate positioning of the limiting baffle 53 can be realized.

In order to reduce the vibration of the ultrasonic vibrator 10 from being transmitted to the supporting plate 2, the lower end of the ultrasonic welding shell 9 is axially provided with a middle sleeve 24, the lower end of the middle sleeve 24 is provided with a lower flange 25, the inner sides of the lower flange 25 and the middle sleeve 24 are provided with a lower vibration damping gasket 28 and an upper vibration damping pressing plate 30, the part of the ultrasonic vibrator 10 is clamped between the lower vibration damping gasket 28 and the upper vibration damping pressing plate 30, and the lower vibration damping gasket 28 and the upper vibration damping pressing plate 30 are made of Teflon materials.

The ultrasonic vibrator 10 is supported through the lower vibration damping gasket 28 and the upper vibration damping pressing sheet 30, vibration generated by the ultrasonic vibrator 10 can be filtered, vibration is reduced and transmitted to the ultrasonic welding shell (9), the middle sleeve 24 can tightly press the upper vibration damping pressing sheet 30, and the ultrasonic vibrator 10 is installed.

In this embodiment, a circle of radially extending positioning ribs 29 is disposed on the outer side wall of the middle portion of the ultrasonic vibrator 10, and the positioning ribs 29 are sandwiched between the lower vibration-damping pad 28 and the upper vibration-damping pad 30, wherein the lower vibration-damping pad 28 and the upper vibration-damping pad 30 are both made of teflon, which can better filter the vibration.

The lower end of the lower flange 25 is provided with a plurality of horizontal adjusting screws 23 which are vertically upwards abutted against the lower end of the vibration reduction lower gasket 28 around the circumference, the levelness of the vibration reduction lower gasket 28 can be adjusted by rotating the horizontal adjusting screws 23, and meanwhile, the vertical degree of the ultrasonic vibrator 10 is adjusted, so that the use is convenient.

The upper side edge of the vibration reduction lower gasket 28 is provided with a circle of flange, the outer side of the flange is an arc surface 26, the positioning convex rib 29 is positioned on the inner side of the flange, the inner side wall of the middle sleeve 24 is provided with a conical surface 27 matched with the arc surface 26, the vibration reduction lower gasket 28 is jacked up through the horizontal adjusting screw 23, and the arc surface 26 is in contact with the conical surface 27 to enable the vibration reduction lower gasket 28 to generate radial deformation, so that the ultrasonic vibrator 10 can be clamped, and vibration can be better filtered.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an ultrasonic welding machine, includes bottom plate (11) and vertical stand (1) of setting at bottom plate (11) rear side, its characterized in that, stand (1) on be provided with backup pad (2) that can the oscilaltion, the front end of backup pad (2) install ultrasonic bonding casing (9), ultrasonic bonding casing (9) carry out the oscilaltion by cylinder (7) drive its upper end along backup pad (2), the lower extreme of ultrasonic bonding casing (9) be fixed with ultrasonic vibrator (10), ultrasonic vibrator (10) on be provided with the piezoceramics piece.

2. An ultrasonic welding machine according to claim 1, wherein: and a heat radiation fan (13) is arranged at the upper part of the ultrasonic welding shell (9).

3. An ultrasonic welding machine according to claim 1, wherein: the ultrasonic vibrator (10) is characterized in that a pair of vibrator columns (12) are arranged on the upper side of the ultrasonic vibrator side by side, and each vibrator column (12) is provided with a piezoelectric ceramic piece.

4. An ultrasonic welding machine according to claim 1, wherein: the vertical column (1) is provided with a rack (4) on one side, the support plate (2) is provided with a hand wheel (3) on one side, the hand wheel (3) is internally provided with a gear meshed with the rack (4), and the support plate (2) is driven to ascend and descend by rotating the hand wheel (3).

5. An ultrasonic welding machine according to claim 1, wherein: the rear side of the ultrasonic welding shell (9) is sleeved on a rear guide rod (6) on the supporting plate (2), and the front end of the ultrasonic welding shell (9) is sleeved on a front guide rod (8) at the front end of the supporting plate (2).

6. An ultrasonic welding machine according to claim 1, wherein: the lower part of backup pad (2) install stroke stop gear (5), stroke stop gear (5) including setting up in backup pad (2) inboard bottom and be located limit baffle (53) of ultrasonic bonding casing (9) downside, backup pad (2) bottom vertical pass and set up micrometer handle (57), micrometer handle (57) upper end screw rod that stretches out withstand with limit baffle (53) lower extreme, one side of micrometer handle (57) be provided with vertical lift and limit rod (56) that limit baffle (53) lower extreme links to each other.

7. An ultrasonic welding machine according to claim 6, wherein: the outer side of the limiting rod (56) is connected with the supporting plate (2) through a sleeved shaft sleeve (55), a locking nut (54) is transversely installed on the shaft sleeve (55), and one end of the locking nut (54) is abutted to the side wall of the limiting rod (56).

8. An ultrasonic welding machine according to claim 1, characterized in that the lower end of the ultrasonic welding housing (9) is axially provided with a middle sleeve (24), the lower end of the middle sleeve (24) is provided with a lower flange (25), the inner sides of the lower flange (25) and the middle sleeve (24) are provided with a lower vibration damping gasket (28) and an upper vibration damping pressing sheet (30), the part of the ultrasonic vibrator (10) is clamped between the lower vibration damping gasket (28) and the upper vibration damping pressing sheet (30), and the lower vibration damping gasket (28) and the upper vibration damping pressing sheet (30) are made of teflon materials.

9. The ultrasonic welding machine according to claim 8, wherein a circle of radially extending positioning ribs (29) is arranged on the outer side wall of the middle part of the ultrasonic vibrator (10), the positioning ribs (29) are clamped between the vibration damping lower gasket (28) and the vibration damping upper pressing sheet (30), and the lower end of the lower flange (25) is provided with a plurality of horizontal adjusting screw rods (23) which vertically and upwards abut against the lower end of the vibration damping lower gasket (28) around the circumference.

10. An ultrasonic welding machine according to claim 9, characterized in that the upper side edge of the vibration damping lower gasket (28) is provided with a circle of flange, the outer side of the flange is provided with a circular arc surface (26), the positioning convex rib (29) is positioned at the inner side of the flange, and the inner side wall of the middle sleeve (24) is provided with a conical surface (27) matched with the circular arc surface (26).