High-frequency welding tool for radio frequency connector shell
阅读说明:本技术 一种射频连接器外壳高频焊接工装 (High-frequency welding tool for radio frequency connector shell ) 是由 邹波 张元胜 于 2020-06-04 设计创作,主要内容包括:本发明公开一种射频连接器外壳线缆焊接工装,包括:射频连接器产品定位装置,用于放置射频连接器接头;线缆夹持装置,用于夹持线缆,夹持装置的夹头位于射频连接器产品定位装置的上方,与射频连接器产品定位装置相对应;当线缆被夹头夹持住时,线缆的线头位于射频连接器接头外壳之内;伺服摇摆装置,用于承载线缆夹持装置,使线缆夹持装置发生往复摇摆运动;高频焊机,用于对射频连接器的外壳和线缆施焊;高频焊机移动装置,用于承载高频焊机,使其发生向待焊产品方向进退运动;移动行程满足如下关系,移至最大行程时,高频感应加热线圈正好与射频连接器接头相对应;机箱,用于布置上述部件;控制装置,用于对焊接过程进行自动控制。(The invention discloses a welding tool for a cable of a shell of a radio frequency connector, which comprises: the radio frequency connector product positioning device is used for placing a radio frequency connector joint; the cable clamping device is used for clamping a cable, and a chuck of the clamping device is positioned above the radio frequency connector product positioning device and corresponds to the radio frequency connector product positioning device; when the cable is clamped by the clamping head, the wire end of the cable is positioned in the radio frequency connector joint shell; the servo swinging device is used for bearing the cable clamping device and enabling the cable clamping device to generate reciprocating swinging motion; the high-frequency welding machine is used for welding the shell of the radio frequency connector and the cable; the high-frequency welding machine moving device is used for bearing the high-frequency welding machine and enabling the high-frequency welding machine to move forward and backward in the direction of a product to be welded; the moving stroke meets the following relation, and when the moving stroke is maximum, the high-frequency induction heating coil just corresponds to the joint of the radio-frequency connector; a cabinet for arranging the above components; and the control device is used for automatically controlling the welding process.)
1. The utility model provides a radio frequency connector shell cable welding frock for weld the cable of radio frequency connector to the shell that the radio frequency connector connects, its characterized in that, this frock includes:
-radio frequency connector product positioning means for placing radio frequency connector contacts;
-cable gripping means for gripping a cable, the gripping head of the gripping means being located above the radio frequency connector product positioning means, in correspondence with the radio frequency connector product positioning means; when the cable is clamped by the clamping head, the wire end of the cable is positioned in the radio frequency connector joint shell;
-a servo rocking device for carrying the cable holding device for reciprocating rocking movement of the cable holding device, i.e. a head of the cable is reciprocated relative to a housing of the radio frequency connector;
-a high frequency welder for welding the cable and the housing of the radio frequency connector, the high frequency welder having a high frequency induction heating coil and a welding torch head;
-a high-frequency welder moving device for carrying the high-frequency welder to move forward and backward in the direction of the product to be welded; the moving stroke meets the following relation, and when the moving stroke is maximum, the high-frequency induction heating coil just corresponds to the joint of the radio-frequency connector; the welding gun head and the radio frequency connector joint shell are approximately concentric, and the distance between the welding gun head and the radio frequency connector joint shell is within the welding distance;
-a cabinet for arranging the above components;
-control means for automatically controlling the welding process.
2. The radio frequency connector shell cable welding tool of claim 1, wherein the cable clamping device comprises a chuck and a clamping cylinder, and a piston rod of the clamping cylinder drives the chuck to open and close so as to clamp and release the cable.
3. The welding tool for cables of radio frequency connector housings according to claim 1, wherein the servo swing device comprises a servo motor, an eccentric wheel driven by the servo motor, a linear slide rail arranged above the eccentric wheel, and a slide plate in sliding fit with the linear slide rail, the slide plate is hinged to the eccentric wheel, and when the servo motor rotates, the slide plate is driven by the eccentric wheel to swing back and forth along the linear slide rail; the cable clamping device is fixedly connected with the sliding plate, and when the servo motor rotates, the cable clamping device swings back and forth along the direction of the linear sliding rail along with the sliding plate; i.e. the stub of the cable is swung back and forth within the housing of the radio frequency connector sub.
4. The rf connector housing cable welding tool of claim 3, wherein the eccentric is configured with an offset adjustment mechanism having a slot formed in a diameter of the eccentric, the slot having a width that is adapted to a diameter of the eccentric shaft, the eccentric shaft is configured with a nut, the offset is adjusted by changing a position of the slot in the eccentric shaft, and the offset is locked by tightening the nut on the eccentric shaft.
5. The welding tooling for cables on the outer shell of the radio frequency connector of claim 4, wherein the offset distance adjusting mechanism is further provided with an original point holding mechanism for the servo motor to reset and control the stop position so that the servo swinging device is kept at the central position when the servo swinging device stops, and the original point holding mechanism comprises a sensing piece and a servo original point sensor.
6. The radio frequency connector shell cable welding tool according to claim 1, wherein the high-frequency welding machine moving device comprises a support, a linear slide rail arranged on a panel of the support, a slide seat in sliding fit with the linear slide rail, and a cylinder for driving the slide seat to move along the linear slide rail, and the high-frequency welding machine is fixed on the slide seat and moves along with the slide seat.
7. The welding tooling for the cables of the radio frequency connector shell according to claim 6, wherein the moving device of the high frequency welding machine is provided with a front buffer and a rear buffer, the buffer is composed of a buffer spring and a spring seat, the spring seat of the front buffer is fixed on the front end surface of the support, the spring corresponds to the front end surface of the sliding seat, the spring seat of the rear buffer is fixed on the rear end surface of the support, and the spring corresponds to the rear end surface of the sliding seat.
8. The radio frequency connector shell cable welding tool of claim 1, wherein a control circuit of the control device is a PLC controller.
Technical Field
The invention relates to welding of a shell of a radio frequency connector assembly, in particular to a tool for welding the shell of the radio frequency connector assembly.
Background
The radio frequency connector assembly is widely applied to communication equipment of military and civil products, and the connection between the radio frequency cable core wire and the shell in the key process is usually welded by manual resistance welding. Because the radio frequency connector assembly has two joints to be welded respectively, and manual resistance welding needs to be welded twice, the welding efficiency is low, the resistance welding is contact heating welding, electrodes are easy to oxidize to cause poor welding, and the surface of a product is burnt. Therefore, technical improvement on manual resistance welding is needed to improve welding stability and efficiency.
Disclosure of Invention
The invention aims to provide a high-frequency welding tool for a radio frequency connector assembly shell, which is used for welding the radio frequency connector assembly shell, adopts a high-frequency induction welding machine, is controlled by a PLC (programmable logic controller), is provided with a clamping device for fixing a cable, is provided with a servo motor and an eccentric wheel below a fixed radio frequency connector of the tool structure, and can drive the clamping device to swing by a swinging device in the welding process, so that the structure of a high-frequency welding non-contact welding object can be contacted to a certain extent. So that the soldering tin ring of the welding part can be melted more uniformly, and the stability of the welding connector head and the lead is improved. The two welding heads are designed to weld the two ends of the radio frequency connector assembly at the same time, so that the welding stability and efficiency are improved.
The technical scheme of the invention is as follows:
the utility model provides a radio frequency connector shell cable welding frock for weld the cable of radio frequency connector to the shell that the radio frequency connector connects, its characterized in that, this frock includes:
-radio frequency connector product positioning means for placing radio frequency connector contacts;
-cable gripping means for gripping a cable, the gripping head of the gripping means being located above the radio frequency connector product positioning means, in correspondence with the radio frequency connector product positioning means; when the cable is clamped by the clamping head, the wire end of the cable is positioned in the radio frequency connector joint shell;
-a servo rocking device for carrying the cable holding device for reciprocating rocking movement of the cable holding device, i.e. a head of the cable is reciprocated relative to a housing of the radio frequency connector;
-a high frequency welder for welding the cable and the housing of the radio frequency connector, the high frequency welder having a high frequency induction heating coil and a welding torch head;
-a high-frequency welder moving device for carrying the high-frequency welder to move forward and backward in the direction of the product to be welded; the moving stroke meets the following relation, when the welding gun moves forwards to the maximum stroke, the high-frequency induction heating coil just corresponds to the radio frequency connector joint, the high-frequency induction heating coil and the radio frequency connector joint are approximately concentric, and the distance between the welding gun head and the shell of the radio frequency connector joint is within the welding distance;
-a cabinet for arranging the above components;
-control means for automatically controlling the welding process.
The cable clamping device comprises a chuck and a clamping cylinder, and a piston rod of the clamping cylinder drives the chuck to open and close so as to clamp and release the cable.
The servo swinging device comprises a servo motor, an eccentric wheel driven by the servo motor, a linear slide rail arranged above the eccentric wheel, and a sliding plate in sliding fit with the linear slide rail, wherein the sliding plate is hinged with the eccentric wheel, and when the servo motor rotates, the sliding plate is driven by the eccentric wheel to swing back and forth along the linear slide rail; the cable clamping device is fixedly connected with the sliding plate, and when the servo motor rotates, the cable clamping device swings back and forth along the linear sliding rail along with the sliding plate; i.e. the stub of the cable is swung back and forth within the housing of the radio frequency connector sub.
The eccentric wheel is provided with an offset distance adjusting mechanism, the structure of the eccentric wheel is that a groove is formed in one diameter of the eccentric wheel, the width of the groove is matched with the diameter of the eccentric shaft, the eccentric shaft is provided with a nut, the offset distance is adjusted by changing the position in the groove in the eccentric shaft, and the offset distance is locked by screwing the nut on the eccentric shaft.
The offset distance adjusting mechanism is also provided with an original point holding mechanism which is used for resetting the servo motor and controlling the stop position so as to keep the servo swinging device at the central position when the servo swinging device stops, and the original point holding mechanism comprises an induction piece and a servo original point inductor.
The high-frequency welding machine moving device comprises a support, a linear slide rail arranged on a panel of the support, a slide seat in sliding fit with the linear slide rail, and an air cylinder for driving the slide seat to move along the linear slide rail, wherein the high-frequency welding machine is fixed on the slide seat and can move along with the slide seat.
The high-frequency welding machine moving device is provided with a front buffer and a rear buffer, the buffers are composed of buffer springs and spring seats, the spring seats of the front buffers are fixed on the front end face of the support, the springs correspond to the front end face of the sliding seat, the spring seats of the rear buffers are fixed on the rear end face of the support, and the springs correspond to the rear end face of the sliding seat.
And a control circuit of the control device adopts a PLC controller.
The invention has the beneficial effects that: adopt the high frequency induction welding machine, through PLC control, the design has clamping device to fix the cable, and the below of the fixed radio frequency connector of frock structure is equipped with servo motor and eccentric wheel, can drive clamping device reciprocal the rocking in welding process servo rocking device, lets originally the structure of high frequency welding non-contact welding object, can contact to a certain extent. So that the soldering tin ring of the welding part can be melted more uniformly, and the stability of the welding connector head and the lead is improved. The two welding heads are designed to weld the two ends of the radio frequency connector assembly at the same time, so that the welding stability and efficiency are improved. Welding efficiency has promoted 44.31%, and the welding is reliable and stable.
The following detailed description is made with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the enclosure of the present invention.
Fig. 3 is a schematic structural diagram of the control device of the present invention.
Fig. 4 is a schematic structural diagram of the product positioning device of the present invention.
FIG. 5 is a schematic diagram of a servo wobble device according to the present invention.
Fig. 6 is a schematic view of the construction of the cable clamping device of the present invention.
FIG. 7 is a schematic view of the structure of the moving device of the welder of the invention.
FIG. 8 is a schematic view of the connection between the servo wobble device and the cable clamping device according to the present invention.
The reference numbers in the figures mean: 1-high frequency welding machine; 2, a case; 3-a control device; 4-radio frequency connector product positioning device (namely radio frequency connector joint positioning device); 5-servo wobble device; 6-cable clamping device; 7-a welder moving device; 201-case housing; 202-a foot pad; 203-a backplane; 204-support column; 301 — power switch; 302-start button; 303-reset button; 304 — a touch screen; 401 — product positioning device support floor; 402-a connecting seat; 403-product positioning seat; 404-products to be welded; 405-a cable support bar; 406-an adjusting plate; 407-connecting plate; 501, a servo motor; 502-servo fixed plate; 503-sensing piece; 504-servo origin sensor; 505-connecting the rotating shaft; 506, an eccentric wheel; 507, a sliding plate; 508-linear slide rail; 509-eccentric wheel fixing screw; 601-adjusting the support plate; 602-clamping a cylinder fixing plate; 603-a clamping cylinder; 604-a chuck; 701-moving a cylinder; 702-a support plate; 703-linear slide rail; 704-connecting the bottom plate; 705-back buffer; 706-rear buffer fixing plate; 707-a welder platen; 708-a slide; 709, a cylinder connecting block; 710-front buffering; 711-front buffer fixing plate; 712-cylinder connection head.
Detailed Description
As an embodiment of the present invention, as shown in fig. 1 to 7, the present rf connector housing cable welding tool is used for welding a cable of an rf connector to a housing of an rf connector terminal, and the tool includes (see fig. 1):
-radio frequency connector product positioning means 4 for placing radio frequency connector joints;
a
a
a high-
a high-frequency
a cabinet 2 (see fig. 2) including a bottom plate 203, a cabinet housing 201, support columns 204, and foot pads 202 for arranging the above components.
Control means (see fig. 3) comprising a
The cable clamping device 6 (see fig. 6) includes a
The servo swinging device 5 (see fig. 5) comprises a
The eccentric 506 is provided with an offset distance adjusting mechanism, which is structured such that a groove is formed on a diameter of the eccentric 506, the width of the groove is adapted to the diameter of the eccentric shaft, the eccentric shaft is provided with a nut, the offset distance is adjusted by changing the position in the groove in the eccentric shaft, and the offset distance is locked by tightening the nut on the eccentric shaft.
The offset distance adjusting mechanism is further provided with an original point holding mechanism, which is used for resetting the
The high-frequency welding machine moving device 7 (see fig. 7) comprises a moving cylinder 701, a support plate 702, a linear slide rail 703, a connecting bottom plate 704, a rear buffer 705, a rear buffer fixing plate 706, a welding machine pressing plate 707, a sliding base 708, a cylinder connecting block 709, a front buffer 710, a front buffer fixing plate 711 and a cylinder connecting head 712. The moving cylinder 701 is fixed on the bottom surface of the connecting bottom plate 704, the supporting plate 702 supports the whole high-frequency welding
The radio frequency connector product positioning device 4 (see fig. 4) comprises a product positioning device supporting
The control circuit of the
The operation process of the invention is as follows: preparing before starting up, turning on a power switch of a main machine of the welding machine, setting output power of the welding machine according to product performance requirements, then turning on a
According to different product requirements, when the reciprocating swing amplitude needs to be adjusted, the screws of the