CN110744187A - Heat dissipation method for metal ultrasonic welding and metal ultrasonic welding machine - Google Patents
Heat dissipation method for metal ultrasonic welding and metal ultrasonic welding machine Download PDFInfo
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- CN110744187A CN110744187A CN201910730455.1A CN201910730455A CN110744187A CN 110744187 A CN110744187 A CN 110744187A CN 201910730455 A CN201910730455 A CN 201910730455A CN 110744187 A CN110744187 A CN 110744187A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
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Abstract
The invention discloses a heat dissipation method for metal ultrasonic welding and a welding machine, wherein the method comprises the following steps: receiving a first input under a condition that a welding head of the metal ultrasonic welding machine vibrates at a high frequency; in response to the first input, stopping high-frequency vibration of a welding head of the metal ultrasonic welding machine, and enabling the welding head, a line gathering structure and a line pressing structure of the metal ultrasonic welding machine to be tightly attached to a welding workpiece so as to dissipate heat of the welding workpiece; receiving a second input; in response to the second input, the wire gathering structure and the wire crimping structure move away from the welding workpiece. The invention provides a heat dissipation method for metal ultrasonic welding and a welding machine, which can solve the problems of poor heat dissipation efficiency and local color change of the surface of a welding workpiece caused by heat dissipation.
Description
Technical Field
The invention relates to the technical field of ultrasonic welding, in particular to a heat dissipation method for metal ultrasonic welding and a metal ultrasonic welding machine.
Background
At present, a wire harness metal welding process is generally carried out by using a metal ultrasonic welding machine. When the metal ultrasonic welding machine is used for welding, after the wire collecting block, the wire pressing block and the welding head of the metal ultrasonic welding machine press the wire harness into a specified shape, the ultrasonic generator sends out ultrasonic waves under the condition of keeping set pressure, the ultrasonic waves are transmitted to the corresponding welding surface through the welding head, and the ultrasonic welding is completed under the corresponding preset condition. After welding is completed, in order to ensure the process efficiency and the heat dissipation efficiency, the metal ultrasonic welding machine immediately releases pressure to lift the wire pressing block, retracts the wire gathering block so that air is in contact with a welding workpiece, dissipates heat of the welding workpiece, and then performs welding of the next welding workpiece.
However, in the above method, since the temperature of the welding workpiece after ultrasonic welding is high, the efficiency of heat dissipation using air is not good, and the surface of the welding workpiece is locally discolored due to the heat dissipation using air, which may affect the quality of ultrasonic welding.
Therefore, it is necessary to provide a heat dissipation method for ultrasonic welding of metals and a welding machine.
Disclosure of Invention
In order to solve the technical problems, the invention provides a heat dissipation method for metal ultrasonic welding and a welding machine, which can solve the problems of poor heat dissipation efficiency and local color change of the surface of a welding workpiece caused by heat dissipation.
The invention provides a heat dissipation method for metal ultrasonic welding, which is used for a metal ultrasonic welding machine and comprises the following steps:
receiving a first input under a condition that a welding head of the metal ultrasonic welding machine vibrates at a high frequency;
in response to the first input, stopping the high-frequency vibration of the welding head of the metal ultrasonic welding machine, and enabling the welding head, the line gathering structure 100 and the line pressing structure of the metal ultrasonic welding machine to be tightly attached to a welding workpiece so as to dissipate heat of the welding workpiece;
after a preset time period, receiving a second input;
in response to the second input, the poly line structure 100 and the punch line structure move away from the welding workpiece.
Optionally, before receiving the first input of the user, the method includes:
receiving a fixed positioning input;
in response to the fixed positioning input, the wire gathering structure 100 and the wire pressing structure move to the welding workpiece along a preset track and press the welding workpiece tightly;
receiving a welding input;
controlling a horn of the metal ultrasonic welder to begin high frequency vibration in response to the welding input.
Optionally, before receiving the second input of the user, the method includes:
receiving a third input;
welding head, metal ultrasonic welding machine's line concentration structure 100 and line ball structure hug closely the welding workpiece to welding workpiece dispels the heat and specifically includes:
and responding to the third input, and radiating the welding workpiece by using a heat radiating unit on the line gathering structure 100 and the line pressing structure of the metal ultrasonic welding machine.
Optionally, before receiving the second input of the user, the method further includes:
receiving a fourth input;
in response to the fourth input, the auxiliary heat dissipation mechanism 400 of the metal ultrasonic welder dissipates heat from the welding workpiece.
The invention relates to a metal ultrasonic welding machine, which comprises:
the first receiving module 10 is used for receiving a first input under the condition that a welding head of the metal ultrasonic welding machine vibrates at a high frequency;
the control module 11 is used for responding to the first input, controlling a welding head of the metal ultrasonic welding machine to stop high-frequency vibration, and controlling the motion module 12 to enable the welding head, a line gathering structure 100 and a line pressing structure of the metal ultrasonic welding machine to be tightly attached to a welding workpiece so as to radiate heat of the welding workpiece;
a second receiving module 101, further configured to receive a second input after a preset time period;
a motion module 12 for controlling the wire gathering structure 100 and the wire pressing structure to move away from the welding workpiece in response to the second input.
Optionally, the first receiving module 10 is further configured to receive a fixed positioning input before receiving the first input of the user;
the moving module 12 is further configured to respond to the fixed positioning input, control the wire gathering structure 100 and the wire pressing structure to move to the welding workpiece along a preset track, and clamp the welding workpiece;
the first receiving module 10 is further configured to receive a welding input;
the control module 11 is further configured to control a welding head of the metal ultrasonic welding machine to start high-frequency vibration in response to the welding input.
Optionally, the second receiving module 101 is further configured to receive a third input before receiving the second input of the user;
and the control module 11 is configured to control the wire gathering structure 100 and the heat dissipation unit on the wire pressing structure of the metal ultrasonic welding machine in response to the third input, so as to dissipate heat of the welding workpiece.
Optionally, the second receiving module 101 is further configured to receive a fourth input before receiving the second input of the user;
the control module 11 is further configured to control an auxiliary heat dissipation mechanism 400 of the metal ultrasonic welding machine to dissipate heat of the welding workpiece in response to the fourth input.
The invention relates to a metal ultrasonic welding machine, which comprises:
the wire gathering structure 100 is disposed on the rack 500, and it should be noted that the wire gathering structure 100 may be a wire gathering structure in the prior art, the wire gathering structure is disposed on the rack 500, and the wire gathering block of the wire gathering structure can be controlled to extend out and press a welding workpiece (such as a wire harness) according to an operation instruction of a worker, and the prior art may be referred to for the specific structure of the wire gathering structure 100;
the line ball structure, the line ball structure with line ball structure 100 symmetry set up in on the frame 500, it needs to explain that, above-mentioned line ball structure can be the line ball structure among the prior art, and it can provide the pressure of vertical direction to the welding work piece to can cooperate the fixed-position welding work piece with above-mentioned line ball structure 100, the line ball structure includes:
a wire pressing block 201, when in use, the lower part of the wire pressing block 201 contacts with the welding workpiece to generate downward pressure,
a wire pressing guide block 202, wherein, in use, the side surface of the dental floss guide block 202 is contacted with the welding workpiece so as to match with the wire gathering block of the wire gathering structure 100 to position the welding workpiece;
the line gathering structure 100 is matched with a line pressing block 201 and a line pressing guide block 202 to form a welding notch for a welding workpiece to pass through;
in response to a first input, the welding head stops high-frequency vibration, and the welding head, a line gathering structure (100) and a line pressing structure of the metal ultrasonic welding machine are tightly attached to a welding workpiece so as to dissipate heat of the welding workpiece;
in response to a second input, the wire gathering structure (100) and the wire crimping structure are moved away from the welding workpiece after a preset period of time.
The heat dissipation unit 300 is further disposed on the line gathering structure 100 and the line pressing structure, wherein a difference between the thermal conductivity of the line gathering structure 100 and the line pressing structure and the thermal conductivity of air is greater than a preset value. It should be noted that the heat dissipation unit 300 is used for dissipating heat of the line concentration structure 100 and the line pressing structure, so that in the ultrasonic welding process, the heat of the surface of the welding workpiece can be taken away by the line concentration structure 100 and the line pressing structure, and the problem of color change of the surface of the welding workpiece is reduced.
Optionally, in the embodiment of the present invention, the heat dissipation unit 300 is a metal heat dissipation block; the end, close to the welding workpiece, of the line gathering structure 100 and the line pressing structure is connected with the metal radiating block, and the metal radiating block is in contact with the workpiece to be welded. It should be noted that, the heat dissipation unit 300 is set to be fast in metal heat dissipation, because the heat conductivity coefficient of metal is high, in the welding application of large pressure, large amplitude and large cross-sectional area, the metal heat dissipation block is used to contact with the welding workpiece, so that the heat on the surface of the welding workpiece can be taken away quickly, and the problem of discoloration of the surface of the welding workpiece in ultrasonic welding is reduced.
It can be understood that, the metal heat dissipation blocks are connected to the end of the wire gathering structure 100 and the end of the wire pressing structure close to the welding workpiece: in the wire gathering structure 100, the wire gathering block is set as a metal heat dissipation block, and when in use, the metal heat dissipation block is in direct contact with a welding workpiece; in the wire pressing structure, the wire pressing block 201 and the wire pressing guide block 202 are both set to be metal heat dissipation blocks, so that the metal heat dissipation blocks are in direct contact with a welding workpiece, and further heat dissipation can be achieved quickly.
Optionally, in an embodiment of the present invention, the metal heat dissipation block is made of a steel material. In metal, the steel material has high heat conductivity coefficient and high hardness, so that the high-pressure welding heat dissipation device can be suitable for high-pressure welding and can quickly dissipate heat.
Optionally, in the embodiment of the present invention, an auxiliary heat dissipation mechanism 400 is further disposed on the frame 500.
It should be noted that, the auxiliary heat dissipation mechanism 400 is disposed on the rack 500, and the auxiliary heat dissipation mechanism 400 can ventilate the surface of the heat dissipation unit 300, so that the heat of the heat dissipation unit 300 can be quickly taken away, and the heat dissipation efficiency is further improved.
Optionally, in the embodiment of the present invention, the auxiliary heat dissipation mechanism 400 may be an auxiliary fan, and the auxiliary fan is fixed on the frame 500. In use, a worker may operate the auxiliary fan so that the auxiliary fan may ventilate the surface of the heat radiating unit 300 when necessary, thereby improving heat radiating efficiency.
Compared with the related art, the invention has the following beneficial effects:
according to the heat dissipation method for metal ultrasonic welding, provided by the invention, the metal ultrasonic welding machine can receive the first input, so that the welding head stops vibrating, and meanwhile, the wire gathering structure 100 and the wire pressing structure tightly press the welding workpiece, so that the heat on the surface of the welding workpiece is effectively dissipated through the wire gathering structure 100 and the wire pressing structure, the heat dissipation efficiency of the welding workpiece is improved, and the welding head, the wire gathering structure 100 and the wire pressing structure tightly press the welding workpiece, so that the contact of oxygen with the high-temperature welding workpiece is reduced, and the surface discoloration phenomenon of the welding workpiece is effectively reduced. In the prior art, when the metal ultrasonic welding machine finishes welding, the welding head is controlled to stop vibrating, pressure is released to lift the wire pressing block, and the wire gathering block is retracted, so that a welding workpiece is in large-area contact with air, and the welding workpiece is cooled. Since it is well known in the art that the heat dissipation effect is best achieved by using air (e.g. cold air) to dissipate heat from the welding workpiece, the heat dissipation efficiency is further improved by increasing the contact area of the air (e.g. cold air) to the welding workpiece or reducing the temperature of the air (e.g. cold air). The traditional heat dissipation method is abandoned, air (such as cold air) is abandoned to be used for dissipating heat of the welding workpiece, the heat dissipation unit 300 is used for contacting and pressing the welding workpiece to dissipate heat, so that the heat dissipation efficiency is improved, and the condition that the surface of the welding workpiece is discolored due to the contact of the high-temperature welding workpiece and the air is avoided.
Drawings
FIG. 1 is a schematic flow chart of a heat dissipation method for ultrasonic welding of metals according to the present invention;
FIG. 2 is a second schematic flow chart of a heat dissipation method for ultrasonic welding of metals according to the present invention;
FIG. 3 is a schematic structural diagram of a metal ultrasonic welding machine according to the present invention;
FIG. 4 is a second schematic structural view of a metal ultrasonic welding machine according to the present invention;
fig. 5 is a third schematic structural view of a metal ultrasonic welding machine according to the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Meanwhile, in the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, are not to be construed as limiting the present application.
In addition, in the present application, "set up", "locate" and "be provided" may be provided as a fixed connection, may also be provided as an integral body, may also be provided as a detachable fixed connection, and those skilled in the art may select a suitable setting mode according to different situations.
The invention will be further explained with reference to the drawings and the embodiments.
Referring to fig. 1, the present invention provides a heat dissipation method for metal ultrasonic welding, which is used in a metal ultrasonic welding machine, and includes:
In the embodiment of the present invention, the first input is used to trigger the welding head of the ultrasonic metal welding machine to stop high-frequency vibration, and the welding head, the line gathering structure 100 of the ultrasonic metal welding machine, and the line pressing structure are attached to the welding workpiece to dissipate heat of the welding workpiece.
It should be noted that, the first input may be an input of a user to the metal ultrasonic welding machine; alternatively, the first input may be input of a control instruction of the metal ultrasonic welding machine by the control module 11 according to preset parameters.
And 102, responding to the first input by the metal ultrasonic welding machine, controlling a welding head of the metal ultrasonic welding machine to stop high-frequency vibration, and enabling the welding head, the gathering line structure 100 and the line pressing structure of the metal ultrasonic welding machine to be tightly attached to a welding workpiece so as to radiate the welding workpiece.
It should be noted that the welding head, the gathering line structure 100 and the line pressing structure of the metal ultrasonic welding machine are tightly attached to the welding workpiece, the high-frequency vibration is stopped at the welding head (the metal welding is finished for one time), the welding head is kept still in a preset time period and then bounces away, on one hand, the welding workpiece can be rapidly cooled through the high thermal conductivity of the line pressing structure and the gathering line structure, on the other hand, the welding workpiece with high temperature contacted by a large amount of air can be avoided (the contact between a large amount of air and the welding workpiece is easy to oxidize, and the surface of the welding workpiece is easy to change color), so.
103, receiving a second input by the metal ultrasonic welding machine after a preset time period;
in an embodiment of the present invention, the second input is used to trigger the metal ultrasonic welding machine to control the wire gathering structure 100 and the wire pressing structure to be away from the welding workpiece.
In the embodiment of the present invention, the above "after a preset time period" may be understood as: after the preset time, the metal ultrasonic welding machine receives a second input; or, the metal ultrasonic welding machine receives the second input after the preset time elapses after the time when the metal ultrasonic welding machine receives the first input.
It can be understood that, in the embodiment of the present invention, a preset time is set, so that after the welding head of the metal ultrasonic welding machine stops high-frequency vibration, the wire gathering structure 100 and the wire pressing structure continuously contact and press the welding workpiece, so that the welding workpiece is in a closed space formed by the wire gathering structure 100, the wire pressing structure and the welding head within a preset time period, and heat is dissipated by contacting with the wire gathering structure 100 and the wire pressing structure without contacting with air.
It should be noted that, the second input may be an input of the metal ultrasonic welding machine by a user; alternatively, the second input may be input of a control instruction of the metal ultrasonic welding machine by the control module 11 according to preset parameters.
And 104, responding to the second input by the metal ultrasonic welding machine, and controlling the wire gathering structure 100 and the wire pressing structure to move away from the welding workpiece.
According to the heat dissipation method for metal ultrasonic welding, provided by the invention, the metal ultrasonic welding machine can receive the first input, so that the welding head stops vibrating, and meanwhile, the wire gathering structure 100 and the wire pressing structure tightly press the welding workpiece, so that the heat on the surface of the welding workpiece is effectively dissipated through the wire gathering structure 100 and the wire pressing structure, the heat dissipation efficiency of the welding workpiece is improved, and the welding head, the wire gathering structure 100 and the wire pressing structure tightly press the welding workpiece, so that the contact of oxygen with the high-temperature welding workpiece is reduced, and the surface discoloration phenomenon of the welding workpiece is effectively reduced. In the prior art, when the metal ultrasonic welding machine finishes welding, the welding head is controlled to stop vibrating, pressure is released to lift the wire pressing block, and the wire gathering block is retracted, so that a welding workpiece is in large-area contact with air, and the welding workpiece is cooled. Since it is well known in the art that the heat dissipation effect is best achieved by using air (e.g. cold air) to dissipate heat from the welding workpiece, the heat dissipation efficiency is further improved by increasing the contact area of the air (e.g. cold air) to the welding workpiece or reducing the temperature of the air (e.g. cold air). The traditional heat dissipation method is abandoned, air (such as cold air) is abandoned to be used for dissipating heat of the welding workpiece, the heat dissipation unit 300 is used for contacting and pressing the welding workpiece to dissipate heat, and the heat conductivity of metal is far greater than that of air, so that the heat dissipation efficiency is improved, and the condition that the surface of the welding workpiece is discolored due to the fact that the high-temperature welding workpiece is contacted with the air is avoided.
Referring to fig. 2, in the embodiment of the present invention, before step 101, the method further includes:
In the embodiment of the present invention, the fixed positioning input is used to trigger the metal ultrasonic welding machine to control the line-focusing structure 100 and the line-pressing structure to press the welding workpiece into a specified shape, and to maintain a set pressure for fixed positioning.
It should be noted that the fixed positioning input may be input of a user to the metal ultrasonic welding machine; alternatively, the fixed positioning input may be input of a control instruction of the metal ultrasonic welding machine by the control module 11 according to a preset parameter.
And 202, responding to the fixed positioning input by the metal ultrasonic welding machine, and enabling the wire gathering structure 100 and the wire pressing structure to move towards the welding workpiece along a preset track and compress the welding workpiece.
In an embodiment of the present invention, the welding input is used to trigger a horn of a metal ultrasonic welding machine to start high frequency vibration for ultrasonic welding.
It should be noted that the welding input may be input of a user to the metal ultrasonic welding machine; alternatively, the welding input may be input of a control instruction of the metal ultrasonic welding machine by the control module 11 according to preset parameters.
And 204, responding to the welding input by the metal ultrasonic welding machine, and controlling a welding head of the metal ultrasonic welding machine to start high-frequency vibration.
Optionally, before the step 103, the method further includes:
in step 301, the metal ultrasonic welder receives a third input.
In an embodiment of the present invention, the third input is used for triggering the heat dissipation unit to dissipate heat of the welding workpiece.
It should be noted that, the third input may be an input of the metal ultrasonic welding machine by a user; alternatively, the third input may be input of a control instruction of the metal ultrasonic welding machine by the control module 11 according to preset parameters.
And the step 102 may be specifically realized by the step 102 a.
And 102a, responding to the third input by the metal ultrasonic welding machine, controlling a line gathering structure 100 and a heat dissipation unit on a line pressing structure of the metal ultrasonic welding machine, and dissipating heat of the welding workpiece.
In the embodiment of the invention, the heat dissipation units 300 are respectively arranged on the wire gathering structure 100 and the wire pressing structure, so that when the welding tool is used, the welded workpiece can be effectively attached to the heat dissipation units 300, the heat on the surface of the welded workpiece can be quickly taken away, and the problem of color change of the surface of the welded workpiece can be effectively reduced.
Optionally, before the step 103, the method further includes:
step 401, the metal ultrasonic welder receives a fourth input.
In the embodiment of the present invention, the fourth input is used to trigger the metal ultrasonic welding machine to turn on the auxiliary heat dissipation mechanism 400.
It should be noted that, the fourth input may be an input of the metal ultrasonic welding machine by a user; alternatively, the fourth input may be input of a control instruction of the metal ultrasonic welding machine by the control module 11 according to preset parameters.
And 402, responding to the fourth input by the metal ultrasonic welding machine, controlling an auxiliary heat dissipation mechanism 400 of the metal ultrasonic welding machine to dissipate heat of the welding workpiece.
In the embodiment of the present invention, a user can open the auxiliary heat dissipation mechanism 400 as required, and the air outlet of the auxiliary heat dissipation mechanism 400 is disposed facing the heat dissipation unit 300, so that the surface ventilation of the heat dissipation unit 300 can be realized, and the heat dissipation efficiency can be further increased.
Meanwhile, referring to fig. 5, the metal ultrasonic welding machine of the present invention includes: a receiving module 10, a control module 11 and a motion module 12;
the first receiving module 10 is used for receiving a first input under the condition that a welding head of the metal ultrasonic welding machine vibrates at a high frequency;
the control module 11 is connected to the first receiving module 10, and is used for controlling a welding head of the metal ultrasonic welding machine to stop high-frequency vibration and controlling the motion module 12 to enable the welding head, the line gathering structure 100 and the line pressing structure of the metal ultrasonic welding machine to be tightly attached to a welding workpiece so as to dissipate heat of the welding workpiece in response to a first input received by the receiving module 10;
a second receiving module 101, connected to the control module 11, and configured to receive a second input after a preset time period;
and a moving module 12 connected to the receiving module 10 for controlling the wire gathering structure 100 and the wire pressing structure to move away from the welding workpiece in response to a second input.
Optionally, the first receiving module 10 is further configured to receive a fixed positioning input before receiving the first input of the user;
the moving module 12 is further configured to respond to the fixed positioning input, control the wire gathering structure 100 and the wire pressing structure to move to the welding workpiece along a preset track, and clamp the welding workpiece;
a first receiving module 10, further configured to receive a welding input;
the control module 11 is further configured to control a welding head of the metal ultrasonic welding machine to start high-frequency vibration in response to the welding input.
Optionally, the second receiving module 101 is further configured to receive a third input before receiving the second input of the user;
and the control module 11 is configured to control the wire gathering structure 100 and the heat dissipation unit on the wire pressing structure of the metal ultrasonic welding machine in response to the third input, so as to dissipate heat of the welding workpiece.
Optionally, the receiving module 10 is further configured to receive a fourth input before receiving the second input of the user;
the control module 11 is further configured to control an auxiliary heat dissipation mechanism 400 of the metal ultrasonic welding machine to dissipate heat of the welding workpiece in response to the fourth input.
Meanwhile, the invention provides a metal ultrasonic welding machine, which comprises:
the wire gathering structure 100 is disposed on the rack 500 (see fig. 4), and it should be noted that the wire gathering structure 100 may be a wire gathering structure in the prior art, the wire gathering structure is disposed on the rack 500, and the wire gathering block of the wire gathering structure can be controlled to extend out of the rack to press and weld a workpiece (such as a wire harness) through an operation instruction of a worker, and the specific structure of the wire gathering structure 100 may refer to the prior art;
the line pressing structure is symmetrically arranged on the rack 500 (please refer to fig. 4) with the line gathering structure 100, and it should be noted that the line pressing structure may be a line pressing structure in the prior art, which can provide vertical pressure to a welding workpiece, and can cooperate with the line gathering structure 100 to position the welding workpiece, and the line pressing structure includes:
a wire pressing block 201, when in use, the lower part of the wire pressing block 201 contacts with the welding workpiece to generate downward pressure,
a wire pressing guide block 202, wherein, in use, the side surface of the dental floss guide block 202 is contacted with the welding workpiece so as to match with the wire gathering block of the wire gathering structure 100 to position the welding workpiece;
the line gathering structure 100 is matched with a line pressing block 201 and a line pressing guide block 202 to form a welding notch for a welding workpiece to pass through;
in response to a first input, the welding head stops high-frequency vibration, and the welding head, a line gathering structure (100) and a line pressing structure of the metal ultrasonic welding machine are tightly attached to a welding workpiece so as to dissipate heat of the welding workpiece;
in response to a second input, the wire gathering structure (100) and the wire crimping structure are moved away from the welding workpiece after a preset period of time.
The heat dissipation unit 300 is further disposed on the line gathering structure 100 and the line pressing structure, wherein a difference between the thermal conductivity of the line gathering structure 100 and the line pressing structure and the thermal conductivity of air is greater than a preset value. It should be noted that the heat dissipation unit 300 is used for dissipating heat of the line concentration structure 100 and the line pressing structure, so that in the ultrasonic welding process, the heat of the surface of the welding workpiece can be taken away by the line concentration structure 100 and the line pressing structure, and the problem of color change of the surface of the welding workpiece is reduced.
In the embodiment of the metal ultrasonic welding machine provided by the invention, the heat dissipation units 300 are respectively arranged on the wire gathering structure 100 and the wire pressing structure, so that when the metal ultrasonic welding machine is used, a welded workpiece can be effectively attached to the heat dissipation units 300, the heat on the surface of the welded workpiece can be quickly taken away, and the problem of color change of the surface of the welded workpiece can be effectively reduced.
Example 1
In the present embodiment, referring to fig. 3, the heat dissipation unit 300 is a metal heat dissipation block; the end, close to the welding workpiece, of the line gathering structure 100 and the line pressing structure is connected with the metal radiating block, and the metal radiating block is in contact with the workpiece to be welded.
It should be noted that, the heat dissipation unit 300 is set to be fast in metal heat dissipation, because the heat conductivity coefficient of metal is high, in the welding application of large pressure, large amplitude and large cross-sectional area, the metal heat dissipation block is used to contact with the welding workpiece, so that the heat on the surface of the welding workpiece can be taken away quickly, and the problem of discoloration of the surface of the welding workpiece in ultrasonic welding is reduced.
It can be understood that, the metal heat dissipation blocks are connected to the end of the wire gathering structure 100 and the end of the wire pressing structure close to the welding workpiece: in the wire gathering structure 100, the wire gathering block is set as a metal heat dissipation block, and when in use, the metal heat dissipation block is in direct contact with a welding workpiece; in the wire pressing structure, the wire pressing block 201 and the wire pressing guide block 202 are both set to be metal heat dissipation blocks, so that the metal heat dissipation blocks are in direct contact with a welding workpiece, and further heat dissipation can be achieved quickly.
In this embodiment, the metal heat sink block is made of a steel material. In metal, the steel material has high heat conductivity coefficient and high hardness, so that the high-pressure welding heat dissipation device can be suitable for high-pressure welding and can quickly dissipate heat.
Compared with the prior art, the embodiment has the following beneficial effects:
in this embodiment, through being provided with the metal radiating block to in ultrasonic wave metal welding process and welding back, the temperature on welded workpiece surface can be gived off fast to the metal radiating block, thereby reduces effectively the temperature of welded work piece, so that the problem of discolouring can not appear on welded workpiece surface. And, through will metal radiating block selects to make for the steel material, can further promote metal radiating block's radiating efficiency, and satisfy the requirement of heavy pressure welding.
Example 2
In this embodiment, the heat dissipation unit 300 may be a metal heat dissipation block disposed on the end of the poly line structure 100 and the end of the line pressing structure adjacent to the welding workpiece. The metal radiating block is provided with a plurality of through holes.
In the embodiment of the invention, the through hole is formed in the metal radiating block, so that when the metal radiating block is tightly attached to a welded workpiece, heat can be effectively radiated, and the radiating efficiency is further improved.
When the ultrasonic welding machine is used, a welding workpiece is positioned and welded through the matching of the line concentration structure 100 and the line pressing structure, then the welding workpiece is pressed, and ultrasonic welding is started. During ultrasonic welding, the temperature of the surface of the workpiece to be welded is continuously increased. Meanwhile, the heat radiating unit 300 is always in contact with the welded workpiece, so that the heat radiating unit 300 radiates heat of the surface of the welded workpiece, so that the heat of the surface of the welded workpiece is reduced.
Meanwhile, a plurality of through holes are formed in the metal radiating block, and gas can circulate through the through holes, so that heat on the metal radiating block is taken away.
Compared with the prior art, the embodiment has the following beneficial effects:
in this embodiment, through being provided with the metal radiating block to in ultrasonic wave metal welding process and welding back, the temperature on welded workpiece surface can be gived off fast to the metal radiating block, thereby reduces effectively the temperature of welded work piece, so that the problem of discolouring can not appear on welded workpiece surface. Meanwhile, through the through holes formed in the metal radiating blocks, gas can circulate through the through holes, heat on the metal radiating blocks is taken away, and radiating efficiency is further improved.
Example 3
In this embodiment, the heat dissipation unit 300 may be a metal heat dissipation block, on which a plurality of heat dissipation pipes are disposed, and the heat dissipation pipes are communicated with a refrigerant storage mechanism (e.g., a cold water storage tank) through a power source (e.g., a pump) through pipes. When the cooling device is used, when the metal radiating block is tightly attached to the welded workpiece, a worker can control the power source (such as a pump) to be started, so that a refrigerant in the refrigerant storage mechanism (such as a cold water storage tank) is driven to enter the radiating pipe, heat on the metal radiating block is taken away, and the cooling efficiency is further improved.
In the embodiment of the invention, the radiating pipe is arranged on the metal radiating block, so that when the metal radiating block is tightly attached to a welded workpiece, a worker can operate the power source to introduce the refrigerant in the refrigerant storage mechanism into the radiating pipe, and the cooling efficiency of the metal radiating block can be further improved.
Compared with the prior art, the embodiment has the following beneficial effects:
in this embodiment, through being provided with the metal radiating block to in ultrasonic wave metal welding process and welding back, the temperature on welded workpiece surface can be gived off fast to the metal radiating block, thereby reduces effectively the temperature of welded work piece, so that the problem of discolouring can not appear on welded workpiece surface. Meanwhile, the refrigerant storage mechanism and the power source are arranged, so that the refrigerant can flow into the metal radiating block through the radiating pipe, heat on the metal radiating block is taken away, and radiating efficiency is further improved.
Example 4
As a preferred embodiment of the above embodiment, in this embodiment, in the embodiment of the present invention, an auxiliary heat dissipation mechanism 400 is further disposed on the rack 500.
It should be noted that, the auxiliary heat dissipation mechanism 400 is disposed on the rack 500, and the auxiliary heat dissipation mechanism 400 can ventilate the surface of the heat dissipation unit 300, so that the heat of the heat dissipation unit 300 can be quickly taken away, and the heat dissipation efficiency is further improved.
Optionally, in an embodiment of the present invention, the auxiliary heat dissipation mechanism 400 is a cooling air duct, an air outlet of the cooling air duct is disposed opposite to the heat dissipation unit 300, and an air inlet of the cooling air duct is communicated with a refrigerant (e.g., compressed gas) storage tank pipeline. When the heat dissipation unit 300 is used, a refrigerant (e.g., compressed gas) may enter from the air inlet of the cooling air duct through a pipeline, and be discharged to the heat dissipation unit 300 through the air outlet of the cooling air duct, so as to dissipate heat of the heat dissipation unit 300.
When the heat dissipation device is used, a worker can open the auxiliary heat dissipation mechanism 400 according to the requirement, and the air outlet of the auxiliary heat dissipation mechanism 400 faces the heat dissipation unit 300, so that the surface ventilation of the heat dissipation unit 300 can be realized, and the heat dissipation efficiency is further improved.
Compared with the above embodiments, the present embodiment has the following advantages:
in this embodiment, the auxiliary heat dissipation mechanism 400 is provided, so that the heat dissipation of the surface of the heat dissipation unit 300 can be accelerated, and the heat dissipation efficiency of the heat dissipation unit 300 can be further improved.
Example 5
As a preferred embodiment of embodiment 4, in this embodiment, in the embodiment of the present invention, the auxiliary heat dissipation mechanism 400 may be an auxiliary fan, and the auxiliary fan is fixed on the rack 500. In use, a worker may operate the auxiliary fan so that the auxiliary fan may ventilate the surface of the heat radiating unit 300 when necessary, thereby improving heat radiating efficiency.
Optionally, in the embodiment of the present invention, the auxiliary heat dissipation mechanism 400 may further include an auxiliary fan and a gas cooling device.
When the cooling device is used, a worker can operate the auxiliary fan and the gas cooling device, so that the auxiliary fan blows cooled air to the surface of the heat dissipation unit 300, and the heat dissipation efficiency is further improved.
Compared with example 4, this embodiment has the following advantages:
in this embodiment, the auxiliary heat dissipation mechanism 400 is an auxiliary fan, so that the surface of the heat dissipation unit 300 can be effectively ventilated, the heat dissipation efficiency is improved, and the auxiliary fan has low energy consumption and low cost. Meanwhile, through the arrangement of the gas cooling device, the auxiliary fan can introduce cooled air to the surface of the heat dissipation unit 300, so that the heat dissipation efficiency is further improved.
It should be noted that, the embodiments of the present invention are written in a progressive manner, and the differences from the previous embodiments are emphasized, and the same parts in the embodiments can be referred to the previous embodiments.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (12)
1. A heat dissipation method for metal ultrasonic welding is used for a metal ultrasonic welding machine and is characterized by comprising the following steps:
receiving a first input under a condition that a welding head of the metal ultrasonic welding machine vibrates at a high frequency;
in response to the first input, stopping high-frequency vibration of a welding head of the metal ultrasonic welding machine, and enabling the welding head, a line gathering structure (100) and a line pressing structure of the metal ultrasonic welding machine to be close to a welding workpiece so as to dissipate heat of the welding workpiece;
after a preset time period, receiving a second input;
in response to the second input, the wire gathering structure (100) and the wire crimping structure are moved away from the welding workpiece.
2. The method of claim 1, prior to receiving the first input by a user, comprising:
receiving a fixed positioning input;
responding to the fixed positioning input, the wire gathering structure (100) and the wire pressing structure move towards the welding workpiece along a preset track and press the welding workpiece tightly;
receiving a welding input;
controlling a horn of the metal ultrasonic welder to begin high frequency vibration in response to the welding input.
3. The method of claim 1 or 2, prior to receiving the second input by the user, comprising:
receiving a third input;
welding head, metal ultrasonic welding machine's line concentration structure (100) and line ball structure hug closely the welding workpiece to weld the work piece and dispel the heat and specifically include:
and responding to the third input, and radiating the welding workpiece by a heat radiating unit on a line gathering structure (100) and a line pressing structure of the metal ultrasonic welding machine.
4. The method of claim 1, wherein prior to receiving the second input by the user, the method further comprises:
receiving a fourth input;
in response to the fourth input, an auxiliary heat dissipation mechanism (400) of the ultrasonic metal welder dissipates heat from the weld workpiece.
5. A metal ultrasonic welder, characterized by comprising:
the first receiving module is used for receiving a first input under the condition that a welding head of the metal ultrasonic welding machine vibrates at high frequency;
the control module is used for responding to the first input, controlling a welding head of the metal ultrasonic welding machine to stop high-frequency vibration, and controlling the welding head, a line gathering structure and a line pressing structure of the metal ultrasonic welding machine to be attached to a welding workpiece so as to radiate the welding workpiece;
the second receiving module is also used for receiving a second input after a preset time period;
and the movement module is used for responding to the second input and controlling the wire gathering structure and the wire pressing structure to move away from the welding workpiece.
6. The metal ultrasonic welder of claim 5, wherein the first receiving module is further configured to receive a fixed positioning input prior to receiving the first input by a user;
the motion module is also used for responding to the fixed positioning input, controlling the wire gathering structure and the wire pressing structure to move to the welding workpiece along a preset track and clamping the welding workpiece;
the first receiving module is also used for receiving welding input;
the control module is further used for responding to the welding input and controlling a welding head of the metal ultrasonic welding machine to start high-frequency vibration.
7. The metal ultrasonic welder according to claim 5 or 6,
the second receiving module is further configured to receive a third input before receiving the second input of the user;
and the control module is used for responding to the third input, controlling a heat dissipation unit on a line gathering structure and a line pressing structure of the metal ultrasonic welding machine and dissipating heat of the welding workpiece.
8. The metal ultrasonic welder according to claim 5,
the second receiving module is further configured to receive a fourth input before receiving the second input of the user;
and the control module is also used for responding to the fourth input, controlling an auxiliary heat dissipation mechanism of the metal ultrasonic welding machine and dissipating heat of the welding workpiece.
9. A metal ultrasonic welder, characterized by comprising: a welding head; the line concentration structure (100), the line concentration structure (100) is arranged on the rack (500);
the line ball structure, the line ball structure with line gathering structure (100) symmetry set up in on frame (500), the line ball structure includes:
a line pressing block (201),
a wire pressing guide block (202);
the wire gathering structure (100) is matched with the wire pressing block (201) and the wire pressing guide block (202) to form a welding notch for a welding workpiece to pass through;
in response to a first input, the welding head stops high-frequency vibration, and the welding head, a line gathering structure (100) and a line pressing structure of the metal ultrasonic welding machine are tightly attached to a welding workpiece so as to dissipate heat of the welding workpiece;
in response to a second input, the wire gathering structure (100) and the wire crimping structure are moved away from the welding workpiece after a preset period of time.
10. The metal ultrasonic welder of claim 9, characterized in that a heat dissipation unit (300) is further disposed on the wire gathering structure (100) and the wire pressing structure.
11. The metal ultrasonic welder according to claim 10, characterized in that the heat dissipating unit (300) is a metal heat dissipating block; the wire gathering structure (100) and the wire pressing structure are close to one end of the welding workpiece, and the metal radiating block is connected to one end of the welding workpiece and is in contact with the welding workpiece to be welded.
12. The metal ultrasonic welder according to any of claims 9 to 11, characterized in that an auxiliary heat dissipation mechanism (400) is further provided on the frame (500).
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| CN201910730455.1A CN110744187A (en) | 2019-08-08 | 2019-08-08 | Heat dissipation method for metal ultrasonic welding and metal ultrasonic welding machine |
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| CN201910730455.1A CN110744187A (en) | 2019-08-08 | 2019-08-08 | Heat dissipation method for metal ultrasonic welding and metal ultrasonic welding machine |
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