CN211892028U - Servo cylinder type ultrasonic welding machine - Google Patents

Servo cylinder type ultrasonic welding machine Download PDF

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Publication number
CN211892028U
CN211892028U CN202020219188.XU CN202020219188U CN211892028U CN 211892028 U CN211892028 U CN 211892028U CN 202020219188 U CN202020219188 U CN 202020219188U CN 211892028 U CN211892028 U CN 211892028U
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China
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shell
welding machine
ultrasonic welding
cylinder type
type ultrasonic
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CN202020219188.XU
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Chinese (zh)
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张傲立
张永彬
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Xiamen Changxin Electronic Technology Co ltd
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Xiamen Changxin Electronic Technology Co ltd
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Abstract

The utility model provides a simple structure, low in production cost, the ultrasonic welding machine of servo cylinder formula that can accurate control, which comprises a frame, be provided with the welding lower mould in the frame, the top that lies in the welding lower mould in the frame can slide from top to bottom and be provided with the transducer subassembly, the tip is provided with the mould on the welding under the transducer subassembly, be provided with in the frame and be used for the drive arrangement that the transducer subassembly slided from top to bottom, be provided with control module in the frame, be provided with pressure sensor between drive arrangement and the transducer subassembly, drive arrangement, transducer subassembly, pressure sensor are connected with the control module electricity.

Description

Servo cylinder type ultrasonic welding machine
Technical Field
The utility model relates to a welding machine technical field, in particular to ultrasonic welding machine of servo cylinder formula.
Background
The ultrasonic plastic welding principle is that a generator generates a high-voltage and high-frequency signal of 20KHz (or 15KHz), the signal is converted into high-frequency mechanical vibration through a transduction system, the high-frequency mechanical vibration is applied to a plastic product workpiece, the temperature transmitted to an interface is increased through the friction between the surface of the workpiece and molecules, when the temperature reaches the melting point of the workpiece, the interface of the workpiece is rapidly melted and then filled in a gap between the interfaces, and when the vibration stops, the workpiece is cooled and shaped under certain pressure at the same time, so that perfect welding is achieved.
The traditional ultrasonic welding machine adopts a hand-operated mode to adjust the height of a machine head of a machine table so as to adapt to the heights of welding dies of different products; the mold adjusting speed is slow, and the labor intensity is high; the ultrasonic welding machine table sliding block is pushed by an air cylinder, the machine head sliding block cannot stop at a plurality of positions, and only two upper limit positions and lower limit positions are usually adopted; the welding depth is adjusted by mechanical fine adjustment, the movement stroke of a traditional welding machine of a welding machine table is fixed, namely the stroke of an air cylinder, and when products with different heights are welded, the height of a machine head needs to be welded by hand-shaking ultrasonic waves; the welding depth needs to be repeatedly tested and confirmed, which is extremely inconvenient, has high requirements on experience of operators and extremely low efficiency; the traditional ultrasonic welding machine cannot accurately reflect the welding pressure generated during welding, and the welding pressure, the welding speed and the welding time cannot be well connected with a PLC control system, so that the parameter setting is fuzzy.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a simple structure, low in production cost, the ultrasonic welding machine of a servo cylinder formula that can accurate control.
For realizing above-mentioned technical problem, the utility model discloses the solution that takes is a servo cylinder type's ultrasonic welding machine, which comprises a frame, be provided with the welding lower mould in the frame, the top that lies in the welding lower mould in the frame can slide from top to bottom and be provided with the transducer subassembly, the tip is provided with the mould on the welding under the transducer subassembly, be provided with in the frame and be used for the drive arrangement that the transducer subassembly slided from top to bottom, be provided with control module in the frame, be provided with pressure sensor between drive arrangement and the transducer subassembly, drive arrangement, transducer subassembly, pressure sensor are connected with the control module electricity.
The further improvement is that: the driving device is a servo electric cylinder, a shell of the servo electric cylinder is fixedly arranged on the rack, the pressure sensor is arranged on a driving rod of the servo electric cylinder, and the other end of the pressure sensor is connected with the transducer assembly.
The further improvement is that: the frame can be provided with a shell in an up-and-down sliding manner, the transducer assembly can be detachably arranged in the shell, the shell is provided with a through hole for the lower end part of the transducer assembly to penetrate out, the driving device drives the shell to slide up and down, and the pressure sensor is arranged between the driving device and the shell.
The further improvement is that: the shell comprises a rear cover and a front cover, the rear cover is provided with a clamping groove matched with the transducer assembly, and the front cover is detachably arranged at the front end part of the rear cover.
The further improvement is that: the transducer assembly is fixedly provided with a stabilizing ring, a first clamping ring and a second clamping ring which are positioned above and below the stabilizing ring and are matched with each other to clamp the stabilizing ring are respectively arranged on the transducer assembly, a plurality of first thread through holes and second thread through holes are respectively formed in the first clamping ring and the second clamping ring and used for allowing locking bolts to pass through, and the second clamping ring is stably connected with the shell.
The further improvement is that: the first clamping ring is formed by splicing a plurality of arc-shaped rods.
The further improvement is that: the upper end face of the second clamping ring is provided with a stabilizing sleeve, a first boss is fixedly arranged on the outer side of the lower end part of the stabilizing sleeve, a second boss is arranged on the shell, the upper end face of the first boss can abut against the lower end face of the second boss, a jacking ring is screwed on the lower end face of the shell through a screw rod, and the upper end face of the jacking ring can abut against the lower end face of the second clamping ring.
The further improvement is that: the outer end face of the stabilizing sleeve is attached to the inner end face of the shell.
The further improvement is that: the welding lower die is detachably arranged on the transducer assembly through threads.
The further improvement is that: a plurality of guide posts are fixedly arranged on the rack, and a plurality of guide holes for the guide posts to pass through are formed in the shell.
By adopting the technical scheme, the beneficial effects of the utility model are that: this ultrasonic welding machine of servo cylinder formula adopts servo electric jar, and servo electric jar characteristics: closed-loop servo control is carried out, and the control precision reaches 0.01 mm; the thrust is precisely controlled, a pressure sensor is added, and the control precision can reach 1%; and the device is easy to be connected with a control module to realize high-precision motion control. Low noise, energy saving, cleanness, high rigidity, impact resistance, super long service life and simple operation and maintenance. The electric cylinder can be free of faults in a severe environment, and the protection grade can reach IP 66. Long-term working, high strength, high speed, high-precision positioning, stable movement and low noise. And the pressure sensor can accurately sense the pressure value generated by welding.
The servo cylinder type ultrasonic welding machine has a long moving stroke, and the welding height size can be easily set through the control module.
Drawings
Fig. 1 is a schematic structural diagram of a servo-cylinder type ultrasonic welding machine according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an ultrasonic welding machine of the servo-cylinder type according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a housing according to an embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 2 according to the embodiment of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
Example (b):
referring to fig. 1 to 4, disclosed in the embodiment of the present invention is a servo-cylinder type ultrasonic welding machine, including a frame 1, a lower welding mold 11 is disposed on the frame 1, a housing is disposed on the frame 1 above the lower welding mold 11 and can slide up and down, the housing includes a rear cover 42 and a front cover 41, the rear cover 42 is provided with a slot 421, a transducer assembly 2 is clamped in the slot 421, the front cover 41 is detachably disposed at the front end of the rear cover 42 by bolts, the housing is provided with a through hole for the lower end of the transducer assembly 2 to pass through, in order to connect the transducer assembly 2 and the housing more firmly, a stabilizing ring 21 is fixedly disposed on the transducer assembly 2, a first clamping ring 51 and a second clamping ring 52 are disposed on the transducer assembly 2 above and below the stabilizing ring 21 respectively and cooperate to clamp the stabilizing ring 21, for convenient installation, the first clamping ring 51 is formed by splicing two arc-shaped rods, the first clamping ring 51 and the second clamping ring 52 are respectively provided with a plurality of first threaded through holes and second threaded through holes for a locking bolt to pass through, the upper end face of the second clamping ring 52 is provided with a stabilizing sleeve 53, the outer end face of the stabilizing sleeve 53 is attached to the inner end face of the shell, the outer side of the lower end part of the stabilizing sleeve 53 is fixedly provided with a first boss 531, the shell is provided with a second boss 411, the upper end face of the first boss 531 can abut against the lower end face of the second boss 411, the lower end face of the shell is screwed with a jacking ring 54 through a screw, the upper end face of the jacking ring 54 can abut against the lower end face of the second clamping ring 52, the energy converter component 2 is clamped through the stabilizing sleeve 53 and the jacking ring 54 together, and the stability of the energy converter component 2 is ensured, the lower end of the transducer component 2 passes through the stabilizing sleeve 53 and the tightening ring 54 and penetrates out of the shell, and the lower end of the transducer component 2 is provided with the upper welding die 12 through threads.
The frame 1 is provided with the servo electric cylinder 3, the shell of the servo electric cylinder 3 is fixedly arranged on the frame 1, the lower end part of the driving rod of the servo electric cylinder 3 is provided with a pressure sensor 31, and the other end of the pressure sensor 31 is fixedly connected with the rear cover 42.
Be provided with PLC14 on the frame 1, be provided with pressure sensor 31 between servo electric cylinder 3 and the transducer subassembly 2, servo electric cylinder 3, transducer subassembly 2, pressure sensor 31 are connected with PLC14 electricity.
In order to enable the shell to slide up and down more stably, two parallel guide posts 13 are fixedly arranged on the rack 1, and a guide hole for the guide posts 13 to pass through is formed in the rear cover 42.
When in welding, a welding piece is placed on the lower welding die 11, the PLC14 controls the servo electric cylinder 3 to drive the shell to drive the transducer assembly 2 to slide downwards, when the upper welding die 12 displaces and reaches a trigger position, the transducer electric cylinder sends out ultrasonic waves, and the upper welding die 12 starts to weld when abutting against the position of the welding piece; pressure sensor 31 feeds back PLC14 with the welding pressure value in welding process, goes up mould 12 and reaches welding depth when a welding and stops promptly and returns initial position, and the accurate displacement can be realized to the board when the welding to can guarantee to have accurate welding depth. Meanwhile, a pressure curve can be fed back through pressure detection.
Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.

Claims (10)

1. The utility model provides an ultrasonic welding machine of servo cylinder formula, includes the frame, be provided with the welding lower mould in the frame, the top that lies in the welding lower mould in the frame can slide from top to bottom and be provided with the transducer subassembly, the tip is provided with the mould on the welding under the transducer subassembly, be provided with in the frame and be used for the drive arrangement that the transducer subassembly slided from top to bottom, its characterized in that: the frame is provided with a control module, a pressure sensor is arranged between the driving device and the transducer assembly, and the driving device, the transducer assembly and the pressure sensor are electrically connected with the control module.
2. The servo cylinder type ultrasonic welding machine according to claim 1, wherein: the driving device is a servo electric cylinder, a shell of the servo electric cylinder is fixedly arranged on the rack, the pressure sensor is arranged on a driving rod of the servo electric cylinder, and the other end of the pressure sensor is connected with the transducer assembly.
3. The servo cylinder type ultrasonic welding machine according to claim 1, wherein: the frame can be provided with a shell in an up-and-down sliding manner, the transducer assembly can be detachably arranged in the shell, the shell is provided with a through hole for the lower end part of the transducer assembly to penetrate out, the driving device drives the shell to slide up and down, and the pressure sensor is arranged between the driving device and the shell.
4. The servo cylinder type ultrasonic welding machine according to claim 2, wherein: the shell comprises a rear cover and a front cover, the rear cover is provided with a clamping groove matched with the transducer assembly, and the front cover is detachably arranged at the front end part of the rear cover.
5. The servo cylinder type ultrasonic welding machine according to claim 2, wherein: the transducer assembly is fixedly provided with a stabilizing ring, a first clamping ring and a second clamping ring which are positioned above and below the stabilizing ring and are matched with each other to clamp the stabilizing ring are respectively arranged on the transducer assembly, a plurality of first thread through holes and second thread through holes are respectively formed in the first clamping ring and the second clamping ring and used for allowing locking bolts to pass through, and the second clamping ring is stably connected with the shell.
6. The servo cylinder type ultrasonic welding machine according to claim 5, wherein: the first clamping ring is formed by splicing a plurality of arc-shaped rods.
7. The servo cylinder type ultrasonic welding machine according to claim 5, wherein: the upper end face of the second clamping ring is provided with a stabilizing sleeve, a first boss is fixedly arranged on the outer side of the lower end part of the stabilizing sleeve, a second boss is arranged on the shell, the upper end face of the first boss can abut against the lower end face of the second boss, a jacking ring is screwed on the lower end face of the shell through a screw rod, and the upper end face of the jacking ring can abut against the lower end face of the second clamping ring.
8. The servo cylinder type ultrasonic welding machine according to claim 7, wherein: the outer end face of the stabilizing sleeve is attached to the inner end face of the shell.
9. The servo cylinder type ultrasonic welding machine according to claim 1, wherein: the welding lower die is detachably arranged on the transducer assembly through threads.
10. A servo-cylinder type ultrasonic welding machine according to claim 3, characterized in that: a plurality of guide posts are fixedly arranged on the rack, and a plurality of guide holes for the guide posts to pass through are formed in the shell.
CN202020219188.XU 2020-02-27 2020-02-27 Servo cylinder type ultrasonic welding machine Active CN211892028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020219188.XU CN211892028U (en) 2020-02-27 2020-02-27 Servo cylinder type ultrasonic welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020219188.XU CN211892028U (en) 2020-02-27 2020-02-27 Servo cylinder type ultrasonic welding machine

Publications (1)

Publication Number Publication Date
CN211892028U true CN211892028U (en) 2020-11-10

Family

ID=73291796

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020219188.XU Active CN211892028U (en) 2020-02-27 2020-02-27 Servo cylinder type ultrasonic welding machine

Country Status (1)

Country Link
CN (1) CN211892028U (en)

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