CN210005611U - semi-automatic detection device for electrical performance of high-temperature-resistant spot welding head - Google Patents

semi-automatic detection device for electrical performance of high-temperature-resistant spot welding head Download PDF

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Publication number
CN210005611U
CN210005611U CN201920602235.6U CN201920602235U CN210005611U CN 210005611 U CN210005611 U CN 210005611U CN 201920602235 U CN201920602235 U CN 201920602235U CN 210005611 U CN210005611 U CN 210005611U
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spot welding
welding head
pressing plate
pressing
temperature
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CN201920602235.6U
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曹敏
刘瑞
韦小明
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Shenzhen's Ji Hundred Is Along Science And Technology Ltd
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Shenzhen's Ji Hundred Is Along Science And Technology Ltd
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Abstract

The application discloses device for semi-automatically detecting electrical performance of a high-temperature-resistant spot welding head, which comprises a rack platform, a pressing module, a signal control module and two electrodes, wherein the electrodes are installed on the rack platform and are insulated from the rack platform, groove positions which are symmetrically arranged are arranged between the two electrodes and are used for placing spot welding heads, the rear ends of the two electrodes are respectively used for being externally connected with a positive electrode and a negative electrode of a welding power supply, the signal control module comprises a temperature transmission unit and a switch controller, the two sides of the pressing module are installed on the rack platform through guide pillars, springs are annularly sleeved on the outer walls of the guide pillars between the bottom of the pressing module and the rack platform, the pressing module can move up and down along the guide pillars, the pressing module is located above the electrodes and is used for pressing the spot welding head in the spot welding and limiting groove positions and is used for triggering the switch controller.

Description

semi-automatic detection device for electrical performance of high-temperature-resistant spot welding head
Technical Field
The application relates to the technical field of machining equipment, in particular to semi-automatic detection high-temperature-resistant spot welding head electrical performance devices.
Background
The micro spot welding head made of high temperature resistant material is a welding head corresponding to a micro electronic spot welding machine, and is characterized in that the welding head and the welding machine form a loop, the current passes through the loop, the welding head mainly generates heat at the tip of the welding head, the welding head actively generates heat, the welded object does not actively generate heat, the welding head contacts the welded object, instantly transmits the heat to the welded object, and the welded object is melted and welded on another contacted welded objects.
In addition, in the aspect, the spot welding head and the electrode plate need to be waited to be cooled to the room temperature in the spot welding head dismounting process, the time cannot be clear, and fingers of operators can be scalded if the operators take off the spot welding head earlier and the spot welding head or the electrode plate still has waste heat.
Disclosure of Invention
The application provides kinds of semi-automatic detection high temperature resistant spot welding head electrical property's device, can solve present spot welding head in electrical property detects, the problem that the loading and unloading process is loaded down with trivial details and can't make clear the cooling time.
In order to achieve the purpose, the following technical scheme is adopted in the application:
A semi-automatic device for detecting the electrical performance of high temperature resistant spot welding heads comprises a frame platform, a pressing module, a signal control module and two electrodes, wherein the electrodes are arranged on the frame platform and insulated from the frame platform, a space is arranged between the two electrodes, the front ends of the two electrodes are provided with grooves which are symmetrically arranged, and the two grooves are used for placing spot welding heads;
the signal control module comprises a temperature transmission unit and a switch controller, wherein the end of the temperature transmission unit is connected with the groove position, the end of the temperature transmission unit is externally connected with a temperature detection instrument, and the temperature transmission unit transmits temperature signals of the spot welding head and the electrode to the temperature detection instrument;
the two sides of the pressing module are mounted on the rack platform through guide pillars, th springs are sleeved on the outer walls of the guide pillars between the bottom of the pressing module and the rack platform in a surrounding mode, the pressing module can move up and down along the guide pillars and is located above the electrodes and used for compressing and limiting spot welding heads in the groove positions and triggering the switch controller.
, the rear ends of the two electrodes are provided with connecting terminals respectively for connecting the positive and negative poles of the welding power supply.
, the pressing module comprises a convex pressing plate, a pressing plate, a second pressing plate and a manual pressing mechanism, wherein two sides of the pressing plate and two sides of the second pressing plate are mounted on the rack platform through guide posts, the convex pressing plate is mounted at the bottom end of the pressing plate and located above the groove position and used for pressing and limiting a spot welding head in the groove position, the second pressing plate is located above the pressing plate, a second spring is sleeved on the outer wall of each guide post between the second pressing plate and the pressing plate, the wire diameter of the second spring is larger than that of the spring, the manual pressing mechanism is mounted above the second pressing plate and used for pressing the second pressing plate downwards, the switch controller is mounted at the side end of the pressing plate, a trigger block is arranged at the side end of the second pressing plate and located right above the switch controller, and the trigger block is used for triggering the switch controller.
, the temperature transmission unit comprises a temperature signal socket and a thermocouple wire, the temperature signal socket is arranged on the side edge of the second pressure plate and is used for being externally connected with a temperature detection instrument, the end of the thermocouple wire is welded in the groove position, and the end of the thermocouple wire is detachably connected to the temperature signal socket.
, the manual pressing mechanism comprises a third pressing plate, a fixed seat, a cam block, a cam rod and a handle rod, the third pressing plate is located above the second pressing plate and fixed at the top end of the guide pillar, the cam block is fixed on the upper surface of the second pressing plate, the fixed seat is fixed on the upper surface of the third pressing plate, and the tail end of the handle rod is rotatably connected with the fixed seat through a connecting rod.
, the wire diameter of the th spring is 1.2mm and the wire diameter of the second spring is 2.5 mm.
semi-automatic detection device for electrical performance of high temperature resistant spot welding head, further comprises a base, a insulated bakelite and a second insulated bakelite, wherein the base is located below the electrode and fixed on the rack platform, the bottom of the guide post is fixed on the base, the insulated bakelite is installed between the electrode and the base, and the second insulated bakelite is installed between the raised pressing plate and the pressing plate.
, it also includes a thermal insulation guard plate connected to the front end of insulated bakelite.
, the device also comprises a plurality of guide sleeves, wherein the guide sleeves are sleeved on the upper surfaces of the two sides of the th pressing plate of the guide post, and the guide sleeves are also sleeved on the upper surfaces of the two sides of the second pressing plate of the guide post.
The beneficial effect of this application is:
1) the spot welding head is placed in a groove position of the electrode, and an operator presses the pressing-down module downwards to tightly press and fix the spot welding head; when the spot welding head is disassembled, the spot welding head is taken out from the groove position, so that the whole assembling and disassembling process of the spot welding head is quick, convenient and uncomplicated;
2) the temperature transmission signal unit can transmit a temperature signal, whether the heating curve of the spot welding head is qualified or not is detected, the time for detaching the spot welding head can be quantified, the temperature of the spot welding head is detected to be reduced to a proper temperature, an operator can take the spot welding head down, the loading and unloading efficiency of the spot welding head is greatly improved, and meanwhile, the operator is prevented from being scalded.
Drawings
FIG. 1 is a perspective view of embodiments of the present application;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
FIG. 3 is a front view of embodiments of the present application;
fig. 4 is a perspective view of embodiments of the present application.
Detailed Description
The present application is described in further detail at by way of example embodiments in conjunction with the following figures.
As shown in fig. 1-4, kinds of semi-automatic devices for detecting electrical performance of high temperature resistant spot welding heads comprise a frame platform 1, a pressing module 2, a signal control module and two electrodes 3, wherein the two electrodes 3 are installed on the frame platform 1 and insulated from the frame platform, the two electrodes 3 are separated by constant distance and do not contact each other, in addition, the front ends of the two electrodes 3 are respectively provided with grooves 31 which are symmetrically arranged, spot welding heads 4 can be placed on the two grooves 31 which are symmetrically arranged, the tips of the spot welding heads 4 are outwards placed, the spot welding heads 4 are processed by rare metal plates, and the rear ends of the two electrodes 3 are respectively used for connecting the positive pole and the negative pole of an external welding power supply.
The signal control module comprises a temperature transmission unit and a switch controller 5, wherein the end of the temperature transmission unit is connected with the groove position 31, the other end of the temperature transmission unit is externally connected with a temperature detection instrument, when the signal control module works, the temperature transmission unit transmits temperature signals of the spot welding head 4 and the electrode 3 to the temperature detection instrument so as to obtain information such as a temperature rise and fall curve, and after the rear end of the electrode 3 is connected with the anode and the cathode of a welding power supply, the switch controller 5 is responsible for turning on or off the welding power supply, and the power on and off of the spot welding head 4 can be controlled in this.
The two sides of the lower pressing module 2 are provided with guide post through holes, the two guide posts 21 penetrate through the guide post through holes to install the lower pressing module on the rack platform 1, the inner diameter of the guide post through holes is slightly larger than , -th springs 22 are annularly sleeved on the outer walls of the guide posts 21 between the bottom end of the lower pressing module 2 and the rack platform 1, so that the lower pressing module 2 can move up and down along the guide posts 21 in fixed stroke under the action of the -th springs 22, the position of the lower pressing module 2 is positioned above the electrode 3, the lower pressing module can be used for pressing and limiting the spot welding head 4 placed in the groove 31, and meanwhile, the lower pressing module is also used for triggering the switch controller 5, so that the switch controller 5 can switch on or switch off a welding power supply.
, as shown in FIG. 4, the rear ends of the two electrodes 3 are provided with connecting terminals 32, wherein connecting terminals 32 are used for connecting the positive pole of the welding power supply, and connecting terminals 32 are used for connecting the negative pole of the welding power supply.
In embodiments, as shown in fig. 1 and 3, the pressing module 2 includes a convex pressing plate 23, a th pressing plate 24, a second pressing plate 25 and a manual pressing mechanism 26, both sides of the th pressing plate 24 and the second pressing plate 25 are mounted on the rack platform 1 through guide posts 21. as shown in fig. 2 and 3, the convex pressing plate 23 is mounted at the bottom end of the th pressing plate 24, so that the convex pressing plate 23 is also located above the recessed slot 31, the bottom end of the convex pressing plate 23 has a protrusion facing the recessed slot 31, and the protrusion can be used for pressing and limiting the spot welding head 4 placed in the recessed slot 31.
The second pressure plate 25 is positioned above the th pressure plate 24, the outer wall of the guide post 21 is sleeved with a second spring 27 between the second pressure plate 25 and the th pressure plate 24, the wire diameter of the second spring 27 is larger than that of the th spring 22, in the embodiment, the wire diameter of the th spring 22 is 1.2mm, the wire diameter of the second spring 27 is 2.5mm, the manual pressing mechanism is arranged above the second pressure plate 25 and used for pressing the second pressure plate 25 downwards, as shown in fig. 4, the switch controller 5 is arranged at the side end of the th pressure plate 24, a trigger block 51 is arranged at the side end of the second pressure plate 25 and right above a contact of the switch controller 5, and the trigger block 51 is vertically arranged and used for triggering the switch controller 5.
When the manual pressing mechanism 26 presses the second pressing plate 25 downwards, the th spring 22 with a small wire diameter is compressed quickly, namely the th pressing plate 24 is pressed downwards towards the electrode 3 quickly, when the spot welding head 4 in the groove 31 is pressed and limited by the protruding pressing plate 23, the compression speed of the second spring 27 with a large wire diameter is increased, the trigger block 51 on the side edge of the second pressing plate 25 moves downwards and then triggers the contact of the switch controller 5, the switch controller 5 turns on the welding power supply accordingly, the spot welding head 4 generates heat after the welding power supply is electrified, the spot welding head 4 starts electrical performance detection, when the detection is finished, the manual pressing mechanism 26 is released, the th spring 22 and the second spring 27 return to the original positions, the th pressing plate 24 and the second pressing plate 25 return to the original positions, and the trigger block 51 leaves the contact of the switch controller 5, so that the welding power supply is closed.
The temperature transmission unit comprises a temperature signal socket 6 and a thermocouple wire, as shown in fig. 3, the temperature signal socket 6 is mounted on the side of the second pressing plate 25, the temperature signal socket 6 is used for externally connecting a temperature detecting instrument, the end of the thermocouple wire is welded in the groove position 31, the end of the thermocouple wire is detachably connected to the temperature signal socket 6, in the embodiment, the other end of the thermocouple wire is a plug with 3.5mm, and the plug can be inserted into the temperature signal socket 6.
in step, as shown in fig. 3, the manual pressing mechanism includes a third pressing plate 261, a fixing base 262, a cam block 263, a cam rod 264 and a handle rod 265, the third pressing plate 261 is located above the second pressing plate 25, both sides of the third pressing plate 261 are fixed on the top ends of the two guide posts 21, so that the third pressing plate 261 cannot move downwards, the cam block 263 is fixed on the upper surface of the second pressing plate 25, the fixing base 262 is fixed on the upper surface of the third pressing plate 261, the end of the handle rod 265 is rotatably connected with the fixing base 262 through a connecting rod, the third pressing plate 261 has a through hole passing through it up and down at a position close to the fixing base 262, the cam rod 264 passes through the through hole, as shown in fig. 3, the end of the cam rod 264 is vertically connected with the handle rod 265, the end is in a hemispherical structure and abuts against the cam block 263 on the upper surface of the second pressing plate 25, the semicircular end surface of the cam rod 264 is in contact with the cam block 263, so that the operator presses downwards more smoothly and the handle rod 263 moves downwards, and the cam rod is also moved downwards due to the support of the third pressing plate 261 and the handle rod 265.
A semi-automatic detection device for the electrical performance of a high temperature resistant spot welding head, further comprises a base 28, a insulated bakelite 71, a second insulated bakelite 72, a heat insulation guard plate 73 and a plurality of guide sleeves 211, wherein the base 28 is positioned below an electrode and fixed on a rack platform 1, the bottom of the guide post 21 is vertically fixed on the base 28, therefore, the guide post 21 is sequentially connected with the base 28, a pressing plate 24, a second pressing plate 25 and a third pressing plate 261 from bottom to top, as shown in fig. 2, the insulated bakelite 71 is arranged between the electrode 3 and the base 28, the second insulated bakelite 72 is arranged between a raised pressing plate 23 and a pressing plate 24, the bakelite is called phenolic plastic in chemical name and has high mechanical strength, good insulation and heat resistance, the heat insulation guard plate 73 is connected to the front end of the insulated bakelite 71 and positioned below the spot welding head 4, as shown in fig. 3, the guide sleeves 211 on the pressing plate 24 on the guide sleeves on the upper surface of the second pressing plate 25, and the second pressing plate and plays a role of guiding the second spot welding head 24 to the spot welding head 25.
The frame platform 1 is also provided with 4 foot pads 11 below for supporting the frame platform 1.
The operation process of the device comprises the following steps:
1. the preparation work is that the temperature signal socket 6 is externally connected with a temperature detector, the end with a plug of a thermocouple wire is inserted into the temperature signal socket 6, the connecting terminals 32 of the two electrodes 3 are respectively connected with the positive pole and the negative pole of a welding power supply, the switch controller 5 is externally connected with the welding power supply, and the welding power supply is not started at the moment.
2. During detection, a spot welding head 4 is placed in a groove position 31 of an electrode 3, the tip of the spot welding head 4 faces outwards, an operator presses a handle lever 265 to drive a cam lever 264 to downwards push a cam block 263 and a second pressing plate 25, guide sleeves 211 arranged at two ends of the second pressing plate 25 act on a second spring 27 along a guide post 21, acting force on the second spring 27 is transmitted to guide sleeves 211 arranged at two ends of an pressing plate 24, so that the cam levers continue to act on a spring 22, a pressing plate 24 and a raised pressing plate 23 move downwards, the raised pressing plate 23 presses the spot welding head 4 to be limited and fixed due to the fact that the diameter of a spring wire 22 is smaller than that of the second spring 27, then the operator continues to press the handle lever 265, a trigger block 51 behind the second pressing plate 25 presses a contact of a switch controller 5 to trigger an external welding power supply to be electrified to apply current to the spot welding head 4 to generate heat, and meanwhile, a temperature detector externally connected with a temperature signal socket 6 senses the temperature of the spot welding head.
3. After the detection is finished: the external temperature detecting instrument judges that the spot welding head 4 whiles and reminds after being reduced to a proper temperature, the operating personnel loosens the handle rod 265, all pressed parts recover the original positions, the operating personnel can manually take out the spot welding head 4, and the spot welding head 4 is taken down at the moment, so that the operating personnel can be prevented from being scalded.
A semi-automatic device for detecting the electric performance of a high temperature resistant spot welding head, the spot welding head is very simple to assemble and disassemble, when fixed, the spot welding head is only needed to be placed in the groove position of the electrode, the handle rod is pressed downwards by hands, the spot welding head can be pressed tightly and accurately positioned by the protruding pressing plate.
After the electrical property of the spot welding head is detected, the temperature detector externally connected with the temperature signal socket can sense the temperature of the spot welding head, and sends out prompt sound when the temperature of the spot welding head is reduced to a proper temperature, so that an operator can take the spot welding head down manually. Compare in before according to experience and judge when to take off the spot welding head, the device of this application can the ration take off the time of spot welding head, has not only improved the handling efficiency of whole spot welding head, has guaranteed operating personnel's safety moreover.
It will be apparent to those skilled in the art from this disclosure that numerous modifications and variations can be made in the present invention without departing from the inventive concepts herein.

Claims (10)

  1. The devices for semi-automatically detecting the electrical performance of a high-temperature-resistant spot welding head are characterized by comprising a rack platform, a pressing module, a signal control module and two electrodes, wherein the electrodes are installed on the rack platform and insulated from the rack platform, a distance is reserved between the two electrodes, the front ends of the two electrodes are respectively provided with a groove position which is symmetrically arranged, and the groove positions are used for placing the spot welding head;
    the signal control module comprises a temperature transmission unit and a switch controller, wherein the end of the temperature transmission unit is connected with the groove bit, and the end of the temperature transmission unit is externally connected with a temperature detection instrument;
    the two sides of the downward pressing module are mounted on the rack platform through guide pillars, th springs are sleeved on the outer walls of the guide pillars between the bottom of the downward pressing module and the rack platform in a surrounding mode, the downward pressing module can move up and down along the guide pillars and is located above the electrodes and used for pressing and limiting spot welding heads in the groove positions and triggering the switch controller.
  2. 2. The apparatus for semi-automatically testing the electrical performance of a high temperature resistant spot welding head of claim 1, wherein: the rear ends of the two electrodes are provided with connecting terminals which are respectively used for connecting the positive pole and the negative pole of the welding power supply.
  3. 3. The device for semi-automatically detecting the electrical performance of the high-temperature resistant spot welding head according to claim 1, wherein the downward pressing module comprises a convex pressing plate, an th pressing plate, a second pressing plate and a manual downward pressing mechanism, two sides of the th pressing plate and two sides of the second pressing plate are both installed on the rack platform through the guide posts, the convex pressing plate is installed at the bottom end of the th pressing plate and is located above the groove position and used for pressing and limiting the spot welding head in the groove position;
    the second pressure plate is positioned above the th pressure plate, a second spring is sleeved on the outer wall of the guide post between the second pressure plate and the th pressure plate, and the wire diameter of the second spring is larger than that of the th spring;
    the switch controller is installed at the side end of the th pressure plate, and a trigger block is arranged at the side end of the second pressure plate and right above the switch controller, and the trigger block is used for triggering the switch controller.
  4. 4. The device for semi-automatically detecting the electrical performance of the high-temperature resistant spot welding head according to claim 3, wherein the temperature transmission unit comprises a temperature signal socket and a thermocouple wire, the temperature signal socket is arranged on the side edge of the second pressing plate and is used for being externally connected with a temperature detection instrument, the end of the thermocouple wire is welded in the groove, and the other end of the thermocouple wire is detachably connected to the temperature signal socket.
  5. 5. The apparatus for semi-automatically testing the electrical performance of a high temperature resistant spot welding head of claim 3, wherein: the manual pressing mechanism comprises a third pressing plate, a fixed seat, a cam block, a cam rod and a handle rod, the third pressing plate is positioned above the second pressing plate and fixed at the top end of the guide pillar, the cam block is fixed on the upper surface of the second pressing plate, the fixed seat is fixed on the upper surface of the third pressing plate, and the tail end of the handle rod is rotatably connected with the fixed seat through a connecting rod;
    the third pressure plate is provided with a through hole which penetrates through the third pressure plate up and down, the cam rod penetrates through the through hole, the end of the cam rod is vertically connected with the handle rod, and the other end of the cam rod is of a hemispheroid structure and is pressed against the cam block.
  6. 6. The device for semi-automatically detecting the electrical performance of the high-temperature resistant spot welding head according to claim 3, wherein the wire diameter of the th spring is 1.2 mm.
  7. 7. The apparatus for semi-automatically testing the electrical performance of a high temperature resistant spot welding head of claim 6, wherein: the wire diameter of the second spring is 2.5 mm.
  8. 8. The apparatus for semi-automatically detecting the electrical performance of a high temperature resistant spot welding head as claimed in any of claims 3-7, further comprising a base, a insulated bakelite and a second insulated bakelite, wherein the base is located under the electrode and fixed on the frame platform, the bottom of the guide post is fixed on the base, the insulated bakelite is installed between the electrode and the base, and the second insulated bakelite is installed between the raised pressing plate and the pressing plate.
  9. 9. The apparatus for semi-automatically detecting the electrical performance of a high-temperature resistant spot welding head as claimed in claim 8, further comprising a heat insulation guard plate connected to the front end of the th insulation bakelite.
  10. 10. The apparatus for semi-automatically detecting the electrical performance of a high temperature resistant spot welding head as claimed in any of claims 3-7, further comprising a plurality of guide sleeves, wherein the guide sleeves are sleeved on the upper surfaces of the two sides of the guide post , and the guide sleeves are also sleeved on the upper surfaces of the two sides of the guide post .
CN201920602235.6U 2019-04-29 2019-04-29 semi-automatic detection device for electrical performance of high-temperature-resistant spot welding head Active CN210005611U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920602235.6U CN210005611U (en) 2019-04-29 2019-04-29 semi-automatic detection device for electrical performance of high-temperature-resistant spot welding head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920602235.6U CN210005611U (en) 2019-04-29 2019-04-29 semi-automatic detection device for electrical performance of high-temperature-resistant spot welding head

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112834902A (en) * 2020-12-31 2021-05-25 浙江水利水电学院 Circuit board test fixture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112834902A (en) * 2020-12-31 2021-05-25 浙江水利水电学院 Circuit board test fixture
CN112834902B (en) * 2020-12-31 2022-05-17 浙江水利水电学院 Circuit board test fixture

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