WO2022179625A1 - 压力检测组件及超声波焊接设备 - Google Patents

压力检测组件及超声波焊接设备 Download PDF

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Publication number
WO2022179625A1
WO2022179625A1 PCT/CN2022/078038 CN2022078038W WO2022179625A1 WO 2022179625 A1 WO2022179625 A1 WO 2022179625A1 CN 2022078038 W CN2022078038 W CN 2022078038W WO 2022179625 A1 WO2022179625 A1 WO 2022179625A1
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WIPO (PCT)
Prior art keywords
connecting piece
piece
detection unit
pressure detection
detection assembly
Prior art date
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PCT/CN2022/078038
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English (en)
French (fr)
Inventor
陈德
卢其辉
范鹏
周俊雄
杜义贤
Original Assignee
广东利元亨智能装备股份有限公司
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Application filed by 广东利元亨智能装备股份有限公司 filed Critical 广东利元亨智能装备股份有限公司
Priority to US17/779,605 priority Critical patent/US20240157468A1/en
Publication of WO2022179625A1 publication Critical patent/WO2022179625A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • 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
    • 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
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus

Definitions

  • the present application relates to the technical field of detection units, and in particular, to pressure detection components and ultrasonic welding equipment.
  • the pressure between the welding head and the workpiece is detected by the pressure detection unit, so as to carry out ultrasonic welding under suitable pressure to ensure welding.
  • the existing ultrasonic welding equipment drives the welding piece to descend, there are gaps between the pressure detection unit and the driving piece, and between the pressure detection unit and the welding piece, which is prone to fluctuations, resulting in deviation of the welding position. It affects the welding accuracy and welding quality.
  • the gap is uncontrollable and it is impossible to compensate the gap for each equipment through the setting program, which is not conducive to mass production.
  • the purpose of this application is to solve at least one of the technical problems existing in the prior art.
  • the present application provides a pressure detection assembly, which can eliminate the connection gap between the pressure detection unit, the driving part and the welding part, avoid fluctuations, and effectively improve the welding accuracy.
  • the present application also provides an ultrasonic welding apparatus having the above-mentioned pressure detection assembly.
  • a pressure detection assembly includes: a first connecting piece provided with a first guide portion; a second connecting piece connected with the first connecting piece, and the second connecting piece is provided with a a second guide part matched with the first guide part; a detection unit, arranged between the first connection piece and the second connection piece, the detection unit is used for collecting the first connection piece and the second connection piece The pressure value between the second connecting pieces; the elastic piece is connected between the first connecting piece and the second connecting piece, the elastic piece can make the first connecting piece and the second connecting piece Clamp the detection unit.
  • the above technical solution at least has the following beneficial effects: thanks to the pre-tightening force of the elastic member, the first connecting member and the second connecting member move closer to each other along the guiding direction of the first guiding portion and the second guiding portion, so that the first connecting member and the The second connector is pressed against the detection unit, so that there is zero gap between the first connector and the detection unit and between the second connector and the detection unit. Therefore, the detection unit does not fluctuate, the welding position is accurate, and the welding is effectively improved. precision.
  • the first guide portion is configured as a guide hole
  • the second guide portion is configured as a guide post matched with the guide hole
  • one end of the guide column is threadedly connected to the second connecting piece, and the other end protrudes from the second connecting piece, which facilitates installation and disassembly, replaces damaged parts, and improves production efficiency .
  • the elastic member is configured as a spring
  • the extending end of the guide post is provided with a blocking portion
  • the spring is sleeved on the guide post, and one end of the spring abuts against the guide post.
  • the other end of the first connecting piece abuts against the blocking portion, and the spring can drive the second connecting piece to approach the first connecting piece, so as to realize the clamping detection unit.
  • the guide hole is provided with a first stepped hole, the diameter of the first stepped hole is matched with the outer diameter of the spring, the spring is accommodated in the first stepped hole, and can Prevent the spring from being displaced and fail, and the structure is compact.
  • the guide hole is provided with a second stepped hole, the diameter of the second stepped hole is matched with the outer diameter of the blocking portion, and the blocking portion is accommodated in the second stepped hole , making the overall structure of the pressure detection assembly more compact.
  • the guide column is sleeved with an elastic sleeve, and the outer side of the elastic sleeve is in contact with the inner wall of the guide hole, which can reduce wear and improve service life.
  • the first connecting piece is provided with a crimping piece, the crimping piece is pressed against the detection unit, and the crimping piece and the first connecting piece are detachably connected, Facilitates replacement of wear-prone crimps.
  • the crimping member and the first connecting member are connected by a screw thread, which facilitates disassembly and replacement of the crimping member.
  • the first connecting member is provided with an installation groove
  • the crimping member is accommodated in the installation groove
  • the end face of the crimping member and the end face of the first connecting member are Flat or the crimping piece protrudes at least partially from the end face of the first connecting piece.
  • the inner diameter of the installation groove is larger than the outer diameter of the crimping piece, which can provide an installation space and facilitate the installation of the crimping piece.
  • the second connecting member is provided with a positioning groove
  • the shape of the positioning groove matches the shape of the detection unit
  • the detection unit is accommodated in the positioning groove
  • the The detection unit at least partially protrudes from the end face of the second connecting piece, so that the detection unit can be positioned.
  • An ultrasonic welding device includes: a base, a driving part and a welding part, the base is mounted with the pressure detection assembly of the above-mentioned first aspect embodiment, and the welding part is slidably connected to the welding part.
  • the base, the driving member is fixedly arranged on the base, the driving shaft of the driving member is connected with the first connecting member, and the welding member is connected with the second connecting member.
  • the above technical solution has at least the following beneficial effects: after the ultrasonic welding equipment is installed with the pressure detection component, during the welding process, the detection unit does not fluctuate, the welding position is accurate, and the welding accuracy is effectively improved.
  • FIG. 1 is a cross-sectional view of a pressure detection assembly in an embodiment of the application
  • FIG. 2 is a cross-sectional view of a first connector in an embodiment of the application
  • FIG. 3 is a cross-sectional view of the second connector in the embodiment of the application.
  • FIG. 4 is a cross-sectional view of a guide column in an embodiment of the application.
  • FIG. 5 is a cross-sectional view of a crimping member in an embodiment of the application.
  • FIG. 6 is a schematic structural diagram of an ultrasonic welding device in an embodiment of the present application.
  • Ultrasonic welding equipment 10 base 11, driving part 12, welding part 13, welding base 14;
  • orientation or positional relationship indicated in relation to orientation description is based on the orientation or positional relationship shown in the accompanying drawings, only For the convenience of describing the present application and simplifying the description, it is not indicated or implied that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.
  • the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc., are understood as not including this number, and above, below, within, etc., are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.
  • an embodiment of the present application provides a pressure detection assembly, including a first connector 100 and a second connector 200 , the first connector 100 and the second connector 200 are both block-shaped structures, and the first connector
  • the first connecting member 100 is connected to the second connecting member 200 and the first connecting member 100 can move relative to the second connecting member 200 in the up-down direction.
  • the lower end surface of the first connecting member 100 A detection unit 300 is arranged between the upper end face of the second connector 200 and the detection unit 300 is a pressure sensor. When the first connector 100 and the second connector 200 are in conflict with each other, the detection unit 300 can collect The pressure value between the second connecting members 200.
  • the upper end of the first connecting member 100 is connected to the driving member 12, and the lower end of the second connecting member 200 is connected to the welding member 13, so that the driving member 12 can drive the first
  • the connecting piece 100 moves downward and presses the second connecting piece 200, and then drives the welding piece 13 to move downward through the second connecting piece 200 to realize the welding of the workpiece.
  • the pressure value between the two connecting pieces 200 indirectly obtains the pressure between the welding head and the workpiece, so that the operator can adjust the pressure value during welding according to the actual situation to ensure the welding is firm.
  • the first connecting piece 100 is provided with a first guide portion, the first guide portion is set as a guide hole 110, the length direction of the guide hole 110 is arranged in the up-down direction, and the second connecting piece 200 is provided with a second guide portion,
  • the second guide portion is provided as a guide post 210 which is matched with the guide hole 110 .
  • the guide post 210 is provided on the upper end of the second connecting piece 200 and extends upward.
  • the first connecting piece 100 is realized through the guide fit between the guide post 210 and the guide hole 110 .
  • the guide holes 110 on the first connector 100 are symmetrically arranged in the left-right direction, and correspondingly, the guide posts 210 on the second connector 200 are symmetrically arranged in the left-right direction.
  • the guide holes 110 and The setting positions of the guide posts 210 can be interchanged on the first connecting piece 100 and the second connecting piece 200; in addition, the cooperation between the first guide part and the second guide part can be set as a slide rail and a slider (in the figure (not shown), one of the slide rail and the slider is set on the first connecting piece 100, and the other is set on the second connecting piece 200, and the length direction of the slide rail is in the up-down direction Provided, through the sliding connection between the slider and the slide rail, the guiding cooperation between the first connecting member 100 and the second connecting member 200 is realized.
  • An elastic member 400 is also connected between the first connecting member 100 and the second connecting member 200.
  • the pre-tightening force of the elastic member 400 is greater than the gravity of the welding member 13.
  • the connecting piece 100 and the second connecting piece 200 move toward each other along the guiding directions of the first guiding part and the second guiding part, so that the lower end surface of the first connecting piece 100 is in close contact with the upper end surface of the detecting unit 300, and the The upper end face is attached to the lower end face of the detection unit 300 , that is, there is no gap between the detection unit 300 and the first connector 100 and between the detection unit 300 and the second connector 200 , which avoids driving the welding member 13 in the driving member 12 .
  • the welding position is shifted and the welding accuracy is reduced due to the fluctuation of the gap.
  • the pressure detection assembly of this embodiment is installed on the ultrasonic welding equipment 10 to effectively improve the welding accuracy.
  • the pressure detection assembly of this embodiment is installed on the ultrasonic welding equipment 10.
  • the upper end of the first connecting member 100 is connected to the driving member 12, and the lower end of the second connecting member 200 is connected to the welding member 13.
  • the driving member 12 In a static state, the driving member 12 When the force on the first connector 100 is unloaded, since the pre-tightening force of the elastic member 400 is greater than the gravity of the welding member 13, the first connector 100 and the second connector 200 are in close contact with the detection unit 300, and the detection unit 300 is connected to the first connector 100.
  • the gaps between the welding parts 100 and between the detection unit 300 and the second connecting part 200 are all zero; when the driving part 12 drives the welding part 13 to move downward, the first connecting part 100 moves downward along the guiding direction of the guide post 210 , so that both the first connector 100 and the second connector 200 are in close contact with the detection unit 300, and zero gap is maintained between the detection unit 300 and the first connector 100 and the second connector 200; when the driving member 12 drives the welding member 13 upward During the action, the first connecting member 100 moves upward. Since the pre-tightening force of the elastic member 400 is greater than the gravity of the welding member 13, the first connecting member 100 and the second connecting member 200 are still close to the detection unit 300, and the detection unit 300 and the first Zero gap is maintained between the connector 100 and the second connector 200.
  • the gaps between the detection unit 300 and the welding component 13 and between the detection unit 300 and the driving component 12 are all zero. It can effectively avoid fluctuations during welding, prevent welding position deviation, and improve welding accuracy. At the same time, during mass production, the consistency between multiple ultrasonic welding equipment 10 is good, and the quality of products is consistent.
  • the lower end of the guide post 210 is threadedly connected with the second connector 200 , that is, the second connector 200 is provided with a first screw hole 240 , and the lower end of the guide post 210 is provided with There is a first external thread 212 matched with the first screw hole 240.
  • the upper end of the guide post 210 extends upward and protrudes out of the second connector 200.
  • the guide post 210 passes through the guide hole 110 of the first connector 100. It only needs to be connected to the second connecting piece 200, which is convenient for installation and improves production efficiency.
  • the guide post 210 can be screwed out, which is convenient for disassembly to replace damaged parts.
  • the elastic member 400 is set as a spring
  • the output end of the guide column 210 is provided with a blocking portion 211
  • the blocking portion 211 is set as a stopper or a baffle
  • the outer diameter of the blocking portion 211 is larger than that of the guide
  • the outer diameter of the column 210 and the outer diameter of the blocking portion 211 are larger than the outer diameter of the spring.
  • the spring is inserted into the guide column 210 from the threaded end of the guide column 210, and the guide column 210 passes through the guide hole of the first connector 100. 110 and connected to the second connector 200.
  • the outer diameter of the spring is larger than the diameter of the guide hole 110.
  • the spring based on the first connector 100, the spring provides upward tension to the blocking part 211, that is, the preload of the spring, and the tension of the spring is greater than the sum of the gravitational forces of the welding part 13 and the second connector 200. Therefore, it can provide Apply upward force to the second connector 200 so that both the second connector 200 and the first connector 100 are in close contact with the detection unit 300, so that the detection unit 300 and the first connector 100 and the detection unit 300 and the second connector are connected Zero gap is maintained between 200, which can effectively avoid the fluctuation problem in the welding process and improve the welding accuracy.
  • the elastic member 400 can also be set as a tension spring (not shown in the figure), and the two ends of the tension spring are connected to the first connecting member 100 and the second connecting member 200 respectively.
  • An upward pulling force is provided to the second connecting member 200, so that both the second connecting member 200 and the first connecting member 100 can be closely attached to the detection unit 300, so that the detection unit 300 and the first connecting member 100 and the detection unit 300 and the Zero gap is maintained between the second connecting members 200, and it can be understood that the elastic member 400 is not limited to the above-mentioned structural form.
  • the upper end of the guide hole 110 is provided with a first stepped hole 111 , the diameter of the first stepped hole 111 is larger than that of the guide hole 110 , and the diameter of the first stepped hole 111 is the same as that of the spring.
  • the outer diameter is matched.
  • the depth of the first stepped hole 111 is smaller than the length of the spring in the static state.
  • the upper end of the guide hole 110 and the upper end of the first stepped hole 111 are provided with a second stepped hole 112 , and the diameter of the second stepped hole 112 is larger than that of the first stepped hole 111 .
  • the diameter of the second stepped hole 112 matches the outer diameter of the blocking portion 211 .
  • the depth of the second stepped hole 112 is greater than the height of the blocking portion 211 .
  • the contact portion of the guide post 210 and the guide hole 110 is sleeved with an elastic sleeve 220 , the inner side of the elastic sleeve 220 is in close contact with the guide post 210 , and the outer side of the elastic sleeve 220 is in contact with the guide hole 110
  • the wear between the guide column 210 and the first connecting piece 100 is reduced, and the service life is improved.
  • a crimping piece 120 is provided on the lower end surface of the first connecting piece 100 , the crimping piece 120 is set as a pressure block structure, and the cross-section of the crimping piece 120 is circular, and the crimping piece 120 is crimped.
  • the connection between the crimping element 120 and the first connecting element 100 is detachable.
  • the crimping element 120 and the first connecting element 100 are threadedly connected, that is, the first connecting element 100 is provided with a second screw hole 130, and the crimping element 120
  • the upper end of the connector is provided with a second external thread 121 that cooperates with the second screw hole 130.
  • the first connector 100 is tightly attached to the upper end of the detection unit 300 through the crimping member 120, and is used in the pressure detection assembly. During the process, the end face in contact with the detection unit 300 will inevitably be worn out.
  • the first connector 100 is made to collide with the detection unit 300 indirectly through the crimping member 120, so that the wear of the first connector 100 can be avoided.
  • One of the main structures of the pressure detection assembly the cost of replacing the first connector 100 is higher than the cost of replacing the crimping part 120, so the maintenance cost in the later period can be effectively reduced.
  • Connecting to the first connecting piece 100 in a way can facilitate the later replacement of the crimping piece 120, and the operation is simple and fast.
  • the crimping member 120 can also be installed on the bottom of the first connecting member 100 by bonding, which is also convenient for replacement.
  • the detachable connection method of the crimping member 120 is not specifically limited here.
  • the lower end of the first connector 100 is provided with a mounting groove 140, and the shape of the mounting groove 140 is the same as that of the crimping piece 120, that is, the cross-section of the mounting groove 140 is also circular,
  • the crimping piece 120 is seated in the installation groove 140, and the lower end surface of the crimping piece 120 is flush with the lower end surface of the first connecting piece 100 or the lower end portion of the crimping piece 120 protrudes from the lower end surface of the first connecting piece 100, thereby
  • the connection structure between the crimping piece 140 and the first connecting piece 100 is made more compact, and the crimping piece 140 can effectively interfere with the detection unit 300 , so that the detection unit 300 can collect the connection between the first connecting piece 100 and the second connecting piece 200 . Pressure value.
  • the inner diameter of the installation groove 140 is larger than the outer diameter of the crimping piece 120 , that is, there is a certain distance between the inner wall of the installation groove 140 and the outer wall of the crimping piece 120 , so that the crimping piece 120 can be provided. It is convenient to screw the second external thread 121 of the crimping piece 120 into the second screw hole 130, and the installation is convenient.
  • a positioning groove 230 is provided on the upper end surface of the second connecting member 200, the positioning groove 230 is set as a concave portion, and the shape of the positioning groove 230 matches the shape of the detection unit 300.
  • the depth of the positioning groove 230 is less than the height of the detection unit 300.
  • the ultrasonic welding equipment 10 including a machine base 11, a driving part 12 and a welding part 13, wherein the driving part 12 can be a driving cylinder, and the welding part 13 is a triple group.
  • the bottom of the machine base 11 The end is provided with a welding base 14, the welding member 13 is slidably connected to the base 11 in the up-down direction, and the welding head of the welding member 13 is located directly above the welding base 14, and the driving member 12 is fixedly arranged above the base 11.
  • the detection assembly is arranged between the driving member 12 and the welding member 13 .
  • the driving shaft of the driving member 12 is connected with the first connecting member 100
  • the welding member 13 is connected with the second connecting member 200 , so that the driving member 12 can drive the welding member.
  • the detection unit 300 and the first connector 100 and the second connector 200 maintain zero gaps, the detection unit 300 and the driving Zero gap is maintained, therefore, the detection unit 300 will not fluctuate, which can prevent welding position shift and improve welding accuracy.
  • the consistency between multiple ultrasonic welding equipment 10 is good (all with zero gap) , The quality of the product is consistent with the quality.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

本申请公开了压力检测组件及超声波焊接设备，压力检测组件包括第一连接件、第二连接件、检测单元和弹性件，其中，第一连接件设置有第一导向部；第二连接件与第一连接件连接，第二连接件设置有与第一导向部配合的第二导向部；检测单元设置于第一连接件与第二连接件之间，检测单元用于采集第一连接件与第二连接件之间的压力值；弹性件连接于第一连接件与第二连接件之间，弹性件能够使第一连接件与第二连接件夹紧检测单元。本申请能够消除压力检测单元与驱动件、焊接件之间的连接间隙，避免产生波动，有效提高焊接精度。

Description

压力检测组件及超声波焊接设备
相关申请的交叉引用
本申请要求于2021年02月26日提交中国国家知识产权局的申请号为CN202110216868.5、名称为“压力检测组件及超声波焊接设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及检测单元技术领域，尤其是涉及压力检测组件及超声波焊接设备。
背景技术
在采用超声波焊接设备焊接工件的过程中，需要严格控制焊头与工件之间的压力，一般通过压力检测单元检测焊头与工件之间的压力，以在合适的压力下进行超声波焊接，保证焊接精度；然而，现有的超声波焊接设备在驱动焊接件下降过程中，由于压力检测单元与驱动件之间、压力检测单元与焊接件之间均存在间隙，容易产生波动，导致焊接位置发生偏差，影响焊接精度和焊接质量，同时，间隙不可控制且无法通过设定程序对每一台设备都进行间隙补偿，不利于批量生产。
发明内容
本申请的目的在于至少解决现有技术中存在的技术问题之一。
为此，本申请提供压力检测组件，能够消除压力检测单元与驱动件、焊接件之间的连接间隙，避免产生波动，有效提高焊接精度。
本申请还提供具有上述压力检测组件的超声波焊接设备。
根据本申请第一方面实施例的压力检测组件，包括：第一连接件，设置有第一导向部；第二连接件，与所述第一连接件连接，所述第二连接件设置有与所述第一导向部配合的第二导向部；检测单元，设置于所述第一连接件与所述第二连接件之间，所述检测单元用于采集所述第一连接件与所述第二连接件之间的压力值；弹性件，连接于所述第一连接件与所述第二连接件之间，所述弹性件能够使所述第一连接件与所述第二连接件夹紧所述检测单元。
上述技术方案至少具有如下有益效果：得益于弹性件的预紧力，第一连接件和第二连接件沿第一导向部和第二导向部的导向方向相互靠拢，使第一连接件和第二连接件压紧检测单元，从而第一连接件与检测单元之间、第二连接件与检测单元之间均为零间隙，因此，检测单元不会产生波动，焊接位置准确，有效提高焊接精度。
根据本申请的一些实施例，所述第一导向部设置为导向孔，所述第二导向部设置为与所述导向孔配合的导向柱。
根据本申请的一些实施例，所述导向柱的一端与所述第二连接件螺纹连接，另一端伸出所述第二连接件，方便安装与拆卸，以更换损坏部件，并可提高生产效率。
根据本申请的一些实施例，所述弹性件设置为弹簧，所述导向柱的伸出端设置有阻挡部，所述弹簧套设于所述导向柱，所述弹簧的一端抵接于所述第一连接件，另一端抵接于所述阻挡部，且所述弹簧能够驱使所述第二连接件靠近所述第一连接件，以实现夹紧检测单元。
根据本申请的一些实施例，所述导向孔设置有第一阶梯孔，所述第一阶梯孔的直径与所述弹簧的外径匹配，所述弹簧容置于所述第一阶梯孔，能够防止弹簧移位而失效，结构紧凑。
根据本申请的一些实施例，所述导向孔设置有第二阶梯孔，所述第二阶梯孔的直径与所述阻挡部的外径匹配，所述阻挡部容置于所述第二阶梯孔，使压力检测组件的整体结构更加紧凑。
根据本申请的一些实施例，所述导向柱套设有弹性套筒，所述弹性套筒的外侧抵触于所述导向孔的内壁，能够减少磨损，提高使用寿命。
根据本申请的一些实施例，所述第一连接件设置有压接件，所述压接件抵压于所述检测单元，所述压接件与所述第一连接件为可拆卸连接，便于更换易磨损的压接件。
根据本申请的一些实施例，所述压接件与所述第一连接件为螺纹连接，便于拆卸并更换压接件。
根据本申请的一些实施例，所述第一连接件设置有安装槽，所述压接件容置于所述安装槽内，且所述压接件的端面与所述第一连接件的端面持平或所述压接件至少部分伸出所述第一连接件的端面。
根据本申请的一些实施例，所述安装槽的内径大于所述压接件的外径，能够提供安装空间，便于安装压接件。
根据本申请的一些实施例，所述第二连接件设置有定位槽，所述定位槽的形状与所述检测单元的形状匹配，所述检测单元容置于所述定位槽内，且所述检测单元至少部分伸出所述第二连接件的端面，能够对检测单元进行定位。
根据本申请第二方面实施例的超声波焊接设备，包括：机座、驱动件和焊接件，所述机座安装有上述第一方面实施例的压力检测组件，所述焊接件滑动连接于所述机座，所述驱动件固定设置于所述机座，所述驱动件的驱动轴与所述第一连接件连接，所述焊接件与所述第二连接件连接。
上述技术方案至少具有如下有益效果：超声波焊接设备安装上述压力检测组件后，焊接过程中，检测单元不会产生波动，焊接位置准确，有效提高焊接精度。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1为本申请实施例中压力检测组件的剖视图；
图2为本申请实施例中第一连接件的剖视图；
图3为本申请实施例中第二连接件的剖视图；
图4为本申请实施例中导向柱的剖视图；
图5为本申请实施例中压接件的剖视图；
图6为本申请实施例中超声波焊接设备的结构示意图。
附图标记：
超声波焊接设备10，机座11，驱动件12，焊接件13，焊接基座14；
第一连接件100，导向孔110，第一阶梯孔111，第二阶梯孔112，压接件120，第二外螺纹121，第二螺孔130，安装槽140；
第二连接件200，导向柱210，阻挡部211，第一外螺纹212，弹性套筒220，定位槽230，第一螺孔240；
检测单元300；
弹性件400。
具体实施方式
本部分将详细描述本申请的具体实施例，本申请之较佳实施例在附图中示出，附图的作用在于用图形补充说明书文字部分的描述，使人能够直观地、形象地理解本申请的每个技术特征和整体技术方案，但其不能理解为对本申请保护范围的限制。
在本申请的描述中，需要理解的是，涉及到方位描述，例如上、下、前、后、左、右等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，若干的含义是一个或者多个，多个的含义是两个以上，大于、小于、超过等理解为不包括本数，以上、以下、以内等理解为包括本数。如果有描述到第一、第二只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。
本申请的描述中，除非另有明确的限定，设置、安装、连接等词语应做广义理解，所 属技术领域技术人员可以结合技术方案的具体内容合理确定上述词语在本申请中的具体含义。
参照图1至图3，本申请的实施例提供压力检测组件，包括第一连接件100和第二连接件200，第一连接件100与第二连接件200均为块状结构，第一连接件100设置于第二连接件200的上方，第一连接件100与第二连接件200连接且第一连接件100能够相对第二连接件200沿上下方向移动，第一连接件100的下端面与第二连接件200的上端面之间设置检测单元300，检测单元300为压力传感器，当第一连接件100与第二连接件200相互抵触时，检测单元300能够采集第一连接件100与第二连接件200之间的压力值，一般而言，第一连接件100的上端与驱动件12连接，第二连接件200的下端与焊接件13连接，从而驱动件12能够通过驱动第一连接件100向下移动并抵压第二连接件200，再通过第二连接件200带动焊接件13向下移动，实现焊接工件，此时，压力检测单元300通过获取第一连接件100与第二连接件200之间的压力值间接获取焊头与工件之间的压力，以便操作人员根据实际调整焊接时的压力值，保证焊接牢固。
本实施例中，第一连接件100设置有第一导向部，第一导向部设置为导向孔110，导向孔110的长度方向沿上下方向设置，第二连接件200设置有第二导向部，第二导向部设置为与导向孔110配合的导向柱210，导向柱210设置于第二连接件200的上端并向上延伸，通过导向柱210和导向孔110的导向配合，实现第一连接件100相对第二连接件200沿上下方向的移动；第一连接件100上的导向孔110沿左右方向对称设置有两个，对应地，第二连接件200上的导向柱210沿左右方向对称设置两个，通过两组导向柱210和导向孔110的导向配合，使得第一连接件100和第二连接件200之间的导向精度更高，提高结构稳定性；可以理解的是，导向孔110和导向柱210的设置位置，在第一连接件100和第二连接件200上可以互换；此外，第一导向部和第二导向部之间的配合可以设置为滑轨与滑块(图中未示出)之间的滑动连接配合，滑轨和滑块中的其一设置于第一连接件100上，另一则设置于第二连接件200上，且滑轨的长度方向沿上下方向设置，通过滑块与滑轨的滑动连接，实现第一连接件100和第二连接件200之间的导向配合。
第一连接件100和第二连接件200之间还连接有弹性件400，一般而言，弹性件400的预紧力大于焊接件13的重力，通过弹性件400的预紧力，使第一连接件100和第二连接件200沿第一导向部和第二导向部的导向方向相向移动，从而，第一连接件100的下端面紧贴检测单元300的上端面，第二连接件200的上端面贴合检测单元300的下端面，即检测单元300与第一连接件100之间、检测单元300与第二连接件200之间均不存在间隙，避免了在驱动件12驱动焊接件13移动过程中，因间隙产生波动而导致的焊接位置偏移、焊接精度降低的问题，将本实施例的压力检测组件安装于超声波焊接设备10上，有效提高 焊接精度。
将本实施例的压力检测组件安装于超声波焊接设备10上，第一连接件100的上端与驱动件12连接，第二连接件200的下端与焊接件13连接，静止状态下，即驱动件12对第一连接件100的作用力卸载，由于弹性件400的预紧力大于焊接件13的重力，第一连接件100与第二连接件200紧贴检测单元300，检测单元300与第一连接件100之间、检测单元300与第二连接件200之间的间隙均为零；当驱动件12驱动焊接件13向下动作时，第一连接件100沿导向柱210的导向方向向下移动，使第一连接件100与第二连接件200均紧贴检测单元300，检测单元300与第一连接件100、第二连接件200之间保持零间隙；当驱动件12驱动焊接件13向上动作时，第一连接件100向上移动，由于弹性件400的预紧力大于焊接件13的重力，第一连接件100与第二连接件200依然紧贴检测单元300，检测单元300与第一连接件100、第二连接件200之间继续保持零间隙，因此，无论出于何种情况，检测单元300与焊接件13之间、检测单元300与驱动件12之间的间隙均为零，可有效避免焊接时产生波动，防止焊接位置偏移，提高焊接精度，同时，在批量生产时，多台超声波焊接设备10之间的一致性好，产品的品质质量一致性好。
参照图1，结合图3和图4，本实施例中，导向柱210的下端与第二连接件200螺纹连接，即第二连接件200设置有第一螺孔240，导向柱210的下端设置有与第一螺孔240配合的第一外螺纹212，导向柱210的上端向上延伸并伸出第二连接件200，安装时，导向柱210穿设于第一连接件100的导向孔110，并连接于第二连接件200即可，安装方便，提高生产效率，拆卸时将导向柱210拧出即可，方便拆卸以更换损坏部件。
参照图1和图4，本实施例中，弹性件400设置为弹簧，导向柱210的输出端设置有阻挡部211，阻挡部211设置为挡块或挡板，阻挡部211的外径大于导向柱210的外径，且阻挡部211的外径大于弹簧的外径，安装时，弹簧从导向柱210的螺纹端套进导向柱210，导向柱210穿设于第一连接件100的导向孔110并连接于第二连接件200，一般而言，弹簧的外径大于导向孔110的直径，弹簧的下端抵接于第一连接件100，弹簧的上端抵接于导向柱210的阻挡部211，以第一连接件100为基准，弹簧对阻挡部211提供向上的张力，即弹簧的预紧力，且弹簧的张力大于焊接件13和第二连接件200的重力之和，因此，能够提供给第二连接件200向上的力，使第二连接件200和第一连接件100均紧贴检测单元300，使检测单元300与第一连接件100之间、检测单元300与第二连接件200之间保持零间隙，有效避免焊接过程中的波动问题，提高焊接精度。当然，弹性件400也可以设置为拉簧(图中未示出)，拉簧的两端分别与第一连接件100和第二连接件200连接，以第一连接件100为基准，拉簧提供给第二连接件200向上的拉力，从而同样可使第二连接件200和第一连接件100均紧贴检测单元300，使检测单元300与第一连接件100之间、检测单元300与 第二连接件200之间保持零间隙，可以理解的是，弹性件400不限于上述结构形式。
参照图1和图2，本实施例中，导向孔110的上端设置有第一阶梯孔111，第一阶梯孔111的直径大于导向孔110的直径，且第一阶梯孔111的直径与弹簧的外径匹配，一般而言，第一阶梯孔111的深度小于静止状态下弹簧的长度，安装时，弹簧容置于第一阶梯孔111内，避免弹簧伸出第一连接件100的外侧而影响驱动件12与第一连接件100的连接，防止弹簧移位而失效，使压力检测组件的整体结构更加紧凑、可靠。
参照图1和图2，本实施例中，导向孔110的上端、位于第一阶梯孔111的上端设置有第二阶梯孔112，第二阶梯孔112的直径大于第一阶梯孔111的直径，且第二阶梯孔112的直径与阻挡部211的外径匹配，一般而言，第二阶梯孔112的深度大于阻挡部211的高度，安装时，阻挡部211完全容置与第二阶梯孔112内，避免阻挡部211凸出第一连接件100的上端面而影响驱动件12与第一连接件100的连接，使压力检测组件的整体结构更加紧凑。
参照图1，本实施例中，导向柱210与导向孔110的接触部分套设有弹性套筒220，弹性套筒220的内侧紧贴导向柱210，弹性套筒220的外侧抵触于导向孔110的内壁，避免导向柱210与导向孔110直接接触，减少导向柱210与第一连接件100之间的磨损，提高使用寿命。
参照图1和图5，本实施例中，第一连接件100的下端面设置有压接件120，压接件120设置为压块结构，且压接件120的截面为圆形，压接件120与第一连接件100之间为可拆卸连接，具体地，压接件120与第一连接件100为螺纹连接，即第一连接件100设置有第二螺孔130，压接件120的上端设置有与第二螺孔130配合的第二外螺纹121，压力检测组件安装好后，第一连接件100通过压接件120紧贴于检测单元300的上端，在压力检测组件使用的过程中，与检测单元300接触的端面难免会发生磨损，通过压接件120使第一连接件100与检测单元300间接抵触，可避免第一连接件100发生磨损，由于第一连接件100为压力检测组件的主体结构之一，更换第一连接件100的成本比更换压接件120的成本更高，因此，可有效降低后期维护成本，同时，压接件120由于容易磨损，以螺纹连接的方式与第一连接件100连接可方便后期更换压接件120，操作简单且快捷。当然，可以理解的是，压接件120还可以通过粘接的方式安装于第一连接件100的底部，同样便于更换，此处不对压接件120的可拆卸连接方式作具体限定。
参照图1和图2，本实施例中，第一连接件100的下端设置有安装槽140，安装槽140的外形与压接件120的外形相同，即安装槽140的截面同样为圆形，压接件120荣置于安装槽140内，且压接件120的下端面与第一连接件100的下端面持平或压接件120的下端部分伸出第一连接件100的下端面，从而使压接件140与第一连接件100的连接结构更加紧凑，且压接件140能够有效抵触于检测单元300，使检测单元300实现采集第一连接件 100与第二连接件200之间的压力值。
参照图1，本实施例中，安装槽140的内径大于压接件120的外径，即安装槽140的内壁与压接件120的外壁之间具有一定的距离，即可提供压接件120的安装空间，便于将压接件120的第二外螺纹121拧进第二螺孔130内，安装方便。
参照图1和图3，本实施例中，第二连接件200的上端面设置有定位槽230，定位槽230设置为凹部，定位槽230的形状与检测单元300的形状匹配，一般而言，定位槽230的深度小于检测单元300的高度，安装时，检测单元300容置于定位槽230内，且检测单元300的上部伸出第二连接件200的上端面，因此，可有效防止在压力检测组件使用过程中检测单元300发生移位而导致检测失效，提高压力检测组件的可靠性。
参照图6，为超声波焊接设备10，包括有机座11、驱动件12和焊接件13，其中，驱动件12可以是驱动气缸，焊接件13即为三联组，一般而言，机座11的底端设置有焊接基座14，焊接件13沿上下方向滑动连接于机座11，且焊接件13的焊头位于焊接基座14的正上方，驱动件12固定设置于机座11的上方，压力检测组件设置于驱动件12与焊接件13之间，具体地，驱动件12的驱动轴与第一连接件100连接，焊接件13与第二连接件200连接，从而驱动件12能够驱动焊接件13向下移动实现焊接，在焊接过程中，由于检测单元300与第一连接件100、第二连接件200之间均保持零间隙，则检测单元300与驱动件12、焊接件13之间均保持零间隙，因此，检测单元300不会发生波动，能够防止焊接位置偏移，提高焊接精度，同时，在批量生产时，多台超声波焊接设备10之间的一致性好(均为零间隙)，产品的品质质量一致性好。
上面结合附图对本申请实施例作了详细说明，但是本申请不限于上述实施例，在所述技术领域普通技术人员所具备的知识范围内，还可以在不脱离本申请宗旨的前提下作出各种变化。

Claims (13)

  1. 压力检测组件，其特征在于，包括：
    第一连接件，设置有第一导向部；
    第二连接件，与所述第一连接件连接，所述第二连接件设置有与所述第一导向部配合的第二导向部；
    检测单元，设置于所述第一连接件与所述第二连接件之间，所述检测单元用于采集所述第一连接件与所述第二连接件之间的压力值；
    弹性件，连接于所述第一连接件与所述第二连接件之间，所述弹性件能够使所述第一连接件与所述第二连接件夹紧所述检测单元。
  2. 根据权利要求1所述的压力检测组件，其特征在于：所述第一导向部设置为导向孔，所述第二导向部设置为与所述导向孔配合的导向柱。
  3. 根据权利要求2所述的压力检测组件，其特征在于：所述导向柱的一端与所述第二连接件螺纹连接，另一端伸出所述第二连接件。
  4. 根据权利要求3所述的压力检测组件，其特征在于：所述弹性件设置为弹簧，所述导向柱的伸出端设置有阻挡部，所述弹簧套设于所述导向柱，所述弹簧的一端抵接于所述第一连接件，另一端抵接于所述阻挡部，且所述弹簧能够驱使所述第二连接件靠近所述第一连接件。
  5. 根据权利要求4所述的压力检测组件，其特征在于：所述导向孔设置有第一阶梯孔，所述第一阶梯孔的直径与所述弹簧的外径匹配，所述弹簧容置于所述第一阶梯孔。
  6. 根据权利要求4所述的压力检测组件，其特征在于：所述导向孔设置有第二阶梯孔，所述第二阶梯孔的直径与所述阻挡部的外径匹配，所述阻挡部容置于所述第二阶梯孔。
  7. 根据权利要求2所述的压力检测组件，其特征在于：所述导向柱套设有弹性套筒，所述弹性套筒的外侧抵触于所述导向孔的内壁。
  8. 根据权利要求1所述的压力检测组件，其特征在于：所述第一连接件设置有压接件，所述压接件抵压于所述检测单元，所述压接件与所述第一连接件为可拆卸连接。
  9. 根据权利要求8所述的压力检测组件，其特征在于：所述压接件与所述第一连接件为螺纹连接。
  10. 根据权利要求8所述的压力检测组件，其特征在于：所述第一连接件设置有安装槽，所述压接件容置于所述安装槽内，且所述压接件的端面与所述第一连接件的端 面持平或所述压接件至少部分伸出所述第一连接件的端面。
  11. 根据权利要求10所述的压力检测组件，其特征在于：所述安装槽的内径大于所述压接件的外径。
  12. 根据权利要求1所述的压力检测组件，其特征在于：所述第二连接件设置有定位槽，所述定位槽的形状与所述检测单元的形状匹配，所述检测单元容置于所述定位槽内，且所述检测单元至少部分伸出所述第二连接件的端面。
  13. 超声波焊接设备，其特征在于，包括：机座、驱动件和焊接件，所述机座安装有如权利要求1～12中任一所述的压力检测组件，所述焊接件滑动连接于所述机座，所述驱动件固定设置于所述机座，所述驱动件的驱动轴与所述第一连接件连接，所述焊接件与所述第二连接件连接。
PCT/CN2022/078038 2021-02-26 2022-02-25 压力检测组件及超声波焊接设备 WO2022179625A1 (zh)

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