Automobile temperature sensor welding device and method

Abstract

The invention discloses an automobile temperature sensor welding device and method. The automobile temperature sensor welding device comprises a base; the positioning assembly is used for fixing the automobile temperature sensor; the welding assembly comprises an L-shaped mounting plate fixedly arranged on the outer surface of the mounting column and a lifting plate slidably arranged on the side face of the L-shaped mounting plate; and the switching assembly is used for driving the rotating disc to rotate so as to realize automatic switching of the automobile temperature sensors on the rotating disc. By arranging the welding assembly and the switching assembly, the welding gun can be driven to move downwards to conduct automatic welding on the positioned automobile temperature sensor, after welding is completed, the welded automobile temperature sensor can leave the welding area, and the unwelded automobile temperature sensor enters the welding area; and therefore, automatic switching of the automobile temperature sensor can be achieved in the reset process of the welding gun, the purpose of continuous welding is achieved, and the welding efficiency is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding devices, in particular to a welding device and method for an automobile temperature sensor. Background Art

[0002] Temperature sensor refers to a sensor that can sense temperature and convert it into a usable output signal. Temperature sensor is the core part of temperature measuring instrument, and there are many varieties. According to the measurement method, it can be divided into two categories: contact type and non-contact type. According to the sensor material and electronic component characteristics, it can be divided into two categories: thermal resistor and thermocouple. Most of the temperature sensors on cars are negative temperature coefficient thermistors, such as the engine intake temperature sensor, coolant temperature sensor, oil temperature sensor, automatic transmission and continuously variable transmission oil temperature sensor, dual clutch transmission responsible for monitoring the transmission oil pan oil temperature G93 transmission oil temperature sensor, responsible for monitoring the transmission clutch working oil temperature G509 temperature sensor, air conditioning indoor temperature sensor, ambient temperature sensor, evaporator temperature sensor, suspension air pump temperature sensor, etc. are all negative temperature coefficient thermistors. Its characteristics are that the higher the temperature of the measuring point, the lower the resistance value of the sensor and the lower the output voltage signal.

[0003] In the process of manufacturing the automobile temperature sensor, a welding device is needed to weld the components on the temperature sensor. Among the existing patent technologies, the Chinese patent with the announcement number CN211465264U discloses a welding device for a vehicle temperature sensor, including a base, a lifting platform, a gear ring seat, a second electric telescopic rod and a mounting seat; the base: a clamp is provided on the upper surface of the base, a side frame is fixed on the right end of the upper surface of the base, and a first electric telescopic rod in a vertical direction is installed on the upper end of the side frame; the lifting platform: the lifting platform is fixed on the lower telescopic arm of the first electric telescopic rod, and a positioning mechanism corresponding to the clamp is fixed on the lower surface of the lifting platform; the gear ring seat: the gear ring seat is rotatably connected to the lower surface of the lifting platform, a de-impurity mechanism is provided on the lower side of the gear ring seat, and a servo motor is provided on the rear side of the upper surface of the lifting platform. The welding device of the vehicle temperature sensor has stable operation and stable clamping, can replace manual flux, ensure welding quality and improve efficiency, and has cleaning ability to reduce the cleaning work in the later stage.

[0004] The technical solution proposed by the above patent technology requires that the temperature sensors be positioned by a positioning mechanism before welding when welding a large number of temperature sensors. Moreover, after welding, the welded temperature sensors need to be removed from the positioning mechanism and then the unwelded temperature sensors need to be installed. During this process, the welding device is in a stagnant and non-working state, resulting in a defect of low welding efficiency when welding a large number of temperature sensors.

[0005] In view of this, the present application proposes a welding device for a vehicle temperature sensor. Summary of the invention

[0006] The object of the present invention is to provide a welding device and method for an automobile temperature sensor to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a welding device for an automobile temperature sensor, comprising: A base, wherein a mounting column is fixedly provided on the upper surface of the base, and a working platform is fixedly provided on the top of the mounting column; A positioning assembly, which is used to fix the automobile temperature sensor, the positioning assembly includes a rotating disk arranged on the upper surface of the working platform, and a plurality of positioning grooves arranged in a circular array on the upper surface of the rotating disk, and the inner wall of the positioning groove is slidably provided with two symmetrical clamping plates for clamping the automobile temperature sensor; A welding assembly, the welding assembly comprising an L-shaped mounting plate fixedly mounted on the outer surface of the mounting column, and a lifting plate slidably mounted on the side of the L-shaped mounting plate, a welding machine fixedly mounted on the upper surface of the lifting plate, a welding gun electrically connected to the welding machine fixedly mounted on the lower surface of the lifting plate, the welding assembly further comprising a rectangular opening provided on the side of the L-shaped mounting plate, and a threaded column rotatably mounted on the inner wall of the rectangular opening, a driving motor for driving the threaded column to rotate is provided on the upper surface of the L-shaped mounting plate, the outer surface of the end of the lifting plate is slidably connected to the inner wall of the rectangular opening, and a threaded hole threadedly connected to the outer surface of the threaded column is provided on the upper surface of the lifting plate; A switching assembly, which is used to drive the rotating disk to rotate to realize automatic switching of the automobile temperature sensor on the rotating disk, the switching assembly includes a rotating groove opened on the upper surface of the working platform, and the rotating disk is rotatably connected to the inner wall of the rotating groove, the mounting column and the L-shaped mounting plate are respectively provided with a cylindrical cavity and an L-shaped cavity, and the L-shaped cavity is communicated with the cylindrical cavity, the inner bottom wall of the cylindrical cavity is rotatably provided with a rotating rod extending into the rotating groove and fixedly connected to the lower surface of the rotating disk, the bottom end of the threaded column extends into the L-shaped cavity and is fixedly provided with a connecting shaft rotatably connected to the inner bottom wall of the L-shaped cavity, the surface of the connecting shaft is provided with a first transmission wheel, and the surface of the rotating rod is fixedly provided with a second transmission wheel, and the surfaces of the first transmission wheel and the second transmission wheel are sleeved with a transmission belt; The cleaning component is used to clean the dust attached to the surface of the positioned automobile temperature sensor before welding.

[0008] Preferably, the positioning assembly also includes a strip groove opened on the bottom wall of the positioning groove, and a dual-axis motor fixed on the inner wall of the strip groove, and both output ends of the dual-axis motor are fixed with a lead screw, and one end of the lead screw away from the dual-axis motor is rotatably connected to the inner wall of the strip groove.

[0009] Preferably, two symmetrical sliders are slidably provided on the inner wall of the strip groove, and the sides of the two sliders are respectively provided with threaded holes threadedly connected to the outer surfaces of the two screws, and the top ends of the two sliders are respectively fixedly connected to the bottom ends of the two clamping plates.

[0010] Preferably, a sliding groove is provided on the side of the clamping plate, and a buffer plate for protecting the automobile temperature sensor is slidably provided on the inner wall of the sliding groove, two symmetrical buffer springs are fixedly provided on the surface of the buffer plate, and the other end of the buffer spring is fixedly connected to the inner wall of the sliding groove, a contact switch is fixedly provided on the inner wall of the sliding groove, and the contact switch is electrically connected to the dual-axis motor through a wire, and a plurality of button switches for respectively controlling a plurality of dual-axis motors are provided in a circular array on the upper surface of the rotating disk.

[0011] Preferably, the first transmission wheel is rotatably connected to the outer surface of the connecting shaft, and an annular cavity is opened inside the first transmission wheel, and the outer surface of the connecting shaft located inside the annular cavity is fixedly provided with a plurality of rotating frames in a circumferential array, and a rotating shaft is rotatably provided on the inner wall of the rotating frame, a rotating block is fixedly provided on the surface of the rotating shaft, and the inner ring wall of the annular cavity is fixedly provided with stoppers corresponding to the plurality of rotating blocks in a circumferential array.

[0012] Preferably, two symmetrical torsion springs are sleeved on the outer surface of the rotating shaft, and two ends of the torsion springs are respectively fixedly connected to the surface of the rotating block and the inner wall of the rotating frame.

[0013] Preferably, a limit baffle plate for limiting the rotation position of the rotation block is fixedly provided on the outer surface of the rotation frame, and a certain distance exists between the limit baffle plate and the rotation block.

[0014] Preferably, a plurality of columns are fixedly provided on the lower surface of the rotating disk in a circular array, and a rotating cavity is opened at the bottom end of each of the columns, a metal ball is rotatably arranged on the inner wall of the rotating cavity, and an annular limiting groove for the rolling of the plurality of metal balls is opened on the inner bottom wall of the rotating groove.

[0015] Preferably, the cleaning assembly includes two push-type air pumps symmetrically fixed on the inner wall of the rectangular opening corresponding to the lifting plate, and a sealing box fixed on the lower surface of the lifting plate, the lower surface of the sealing box is embedded with an air jet pipe connected to the sealing box, the outer surface of the bottom end of the push-type air pump is respectively provided with an air intake pipe and an air inflation hose, and the surfaces of the air intake pipe and the air inflation hose are respectively provided with an air intake one-way valve and an air outlet one-way valve, and the other end of the air inflation hose extends to the interior of the sealing box.

[0016] The present invention also provides a method for welding an automobile temperature sensor, comprising the following steps: S1, loading; placing a plurality of automobile temperature sensors in a plurality of positioning grooves respectively; S2, positioning; pressing several button switches respectively, so that the two clamping plates can effectively clamp and fix the automobile temperature sensor; S3, welding: start the drive motor to rotate forward to drive the welding gun to move downward to achieve automatic welding; S4, reset switching; start the drive motor to reverse and drive the welding gun to move upward for reset, and at the same time realize the automatic switching of the automobile temperature sensor; S5, changing materials; removing the welded automobile temperature sensor from the positioning groove and replacing it with a new unwelded automobile temperature sensor.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a positioning component so that when the device is welding the automobile temperature sensor, the two clamping plates can effectively clamp and fix the automobile temperature sensor in the positioning groove, and can effectively protect the automobile temperature sensor to avoid damage to the automobile temperature sensor caused by excessive clamping force.

[0018] The present invention can drive the welding gun to move downward to automatically weld the positioned automobile temperature sensor by arranging a welding component and a switching component. When welding is completed, the welded automobile temperature sensor can leave the welding area and the unwelded automobile temperature sensor can enter the welding area. Then, the automobile temperature sensor can be automatically switched during the resetting of the welding gun, thereby achieving the purpose of continuous welding and effectively improving the welding efficiency.

[0019] The present invention provides a cleaning component. When the driving motor rotates to drive the lifting plate and the welding gun to move downward, the movement of the lifting plate can press the two push-type air pumps, so that the push-type air pumps can inflate the interior of the sealing box through the inflation hose, and make the air flow spray to the surface of the automobile temperature sensor through the injection pipe, so as to achieve the purpose of fully cleaning the dust accumulated on the surface of the automobile temperature sensor before welding, thereby ensuring the quality of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the front cross-section structure of the present invention; Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 For the present invention Figure 3The enlarged structural diagram at B in the middle; Figure 6 It is a schematic diagram of the top-sectional structure of the first transmission wheel of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle; Figure 8 It is a schematic diagram of the three-dimensional structure of the connecting shaft of the present invention.

[0021] In the figure: 100, base; 200, mounting column; 300. Working platform; 400, positioning assembly; 401, rotating disk; 402, clamping plate; 403, dual-axis motor; 404, lead screw; 405, slider; 406, buffer plate; 407, buffer spring; 408, contact switch; 409, push button switch; 500, welding assembly; 501, L-shaped mounting plate; 502, lifting plate; 503, welding machine; 504, welding gun; 505, threaded column; 506, driving motor; 600, switching assembly; 601, rotating rod; 602, connecting shaft; 603, first transmission wheel; 604, second transmission wheel; 605, transmission belt; 606, rotating frame; 607, rotating shaft; 608, rotating block; 609, stopper; 6010, torsion spring; 6011, limit baffle; 6012, column; 6013, metal rolling ball; 700, cleaning assembly; 701, push-type air pump; 702, sealing box; 703, jet pipe; 704, suction pipe; 705, inflation hose; 706, suction one-way valve; 707, exhaust one-way valve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1: Please refer to Figures 1 to 8 The present invention provides a technical solution: a welding device for an automobile temperature sensor, comprising: A base 100, a mounting column 200 is fixedly disposed on the upper surface of the base 100, and a working platform 300 is fixedly disposed on the top of the mounting column 200; A positioning assembly 400, which is used to fix the automobile temperature sensor, comprises a rotating disk 401 disposed on the upper surface of the working platform 300, and a plurality of positioning grooves arranged in a circular array on the upper surface of the rotating disk 401, and two symmetrical clamping plates 402 for clamping the automobile temperature sensor are slidably disposed on the inner wall of the positioning groove; like Figure 3 and Figure 4 As shown, further, the positioning assembly 400 also includes a strip groove opened in the bottom wall of the positioning groove, and a dual-axis motor 403 fixed on the inner wall of the strip groove, and both output ends of the dual-axis motor 403 are fixed with a screw 404, and one end of the screw 404 away from the dual-axis motor 403 is rotatably connected to the inner wall of the strip groove, and the rotation of the dual-axis motor 403 can drive the two screws 404 to rotate synchronously.

[0024] like Figure 4 As shown, further, two symmetrical sliders 405 are slidably provided on the inner wall of the strip groove, and the sides of the two sliders 405 are respectively provided with threaded holes threadedly connected to the outer surfaces of the two lead screws 404, and the top ends of the two sliders 405 are respectively fixedly connected to the bottom ends of the two clamping plates 402, and the two clamping plates 402 can be automatically moved toward the middle by the rotation of the two lead screws 404, thereby realizing automatic fixation of the automobile temperature sensor.

[0025] like Figure 4 As shown, it should be particularly noted that a sliding groove is provided on the side of the clamping plate 402, and a buffer plate 406 for protecting the automobile temperature sensor is slidably provided on the inner wall of the sliding groove, and two symmetrical buffer springs 407 are fixedly provided on the surface of the buffer plate 406, and the other end of the buffer spring 407 is fixedly connected to the inner wall of the sliding groove, and a contact switch 408 is fixedly provided on the inner wall of the sliding groove, and the contact switch 408 is electrically connected to the dual-axis motor 403 through a wire, and the upper surface of the rotating disk 401 is provided with a plurality of button switches 409 for respectively controlling a plurality of dual-axis motors 403, which can realize effective protection of the automobile temperature sensor.

[0026] In this embodiment, by setting a positioning component 400, when the device is welding the automobile temperature sensor, the automobile temperature sensor can be placed in the positioning groove, and the double-axis motor 403 can be started by the button switch 409. The rotation of the double-axis motor 403 drives the two lead screws 404 to rotate, and the rotation of the two lead screws 404 drives the two sliders 405 to move toward the middle at the same time, thereby driving the two clamping plates 402 to effectively clamp and fix the automobile temperature sensor in the positioning groove, and in the clamping process, the buffer plate 406 can be driven to slide on the inner wall of the sliding groove under the action of the clamping force, and the automobile temperature sensor can be effectively protected under the action of the buffer spring 407. When the buffer plate 406 contacts the contact switch 408, the clamping force reaches a certain value at this time, and the contact switch 408 automatically controls the double-axis motor 403 to turn off, thereby further realizing effective protection of the automobile temperature sensor and avoiding damage to the automobile temperature sensor caused by excessive clamping force.

[0027] Embodiment 2: Based on Embodiment 1, and different from Embodiment 1, A welding device for an automobile temperature sensor, further comprising: The welding assembly 500 includes an L-shaped mounting plate 501 fixedly mounted on the outer surface of the mounting column 200, and a lifting plate 502 slidably mounted on the side of the L-shaped mounting plate 501. A welding machine 503 is fixedly mounted on the upper surface of the lifting plate 502, and a welding gun 504 electrically connected to the welding machine 503 is fixedly mounted on the lower surface of the lifting plate 502. The welding assembly 500 also includes a rectangular opening provided on the side of the L-shaped mounting plate 501, and a threaded column 505 rotatably mounted on the inner wall of the rectangular opening. A driving motor 506 for driving the threaded column 505 to rotate is provided on the upper surface of the L-shaped mounting plate 501. The outer surface of the end of the lifting plate 502 is slidably connected to the inner wall of the rectangular opening, and a threaded hole threadedly connected to the outer surface of the threaded column 505 is provided on the upper surface of the lifting plate 502. The switching assembly 600 is used to drive the rotating disk 401 to rotate to realize the automatic switching of the automobile temperature sensor on the rotating disk 401. The switching assembly 600 includes a rotating groove provided on the upper surface of the working platform 300, and the rotating disk 401 is rotatably connected to the inner wall of the rotating groove. The mounting column 200 and the L-shaped mounting plate 501 are respectively provided with a cylindrical cavity and an L-shaped cavity, and the L-shaped cavity is communicated with the cylindrical cavity. The inner bottom wall of the cylindrical cavity is rotatably provided with a rotating rod 601 extending into the rotating groove and fixedly connected to the lower surface of the rotating disk 401. The bottom end of the threaded column 505 extends into the L-shaped cavity and is fixedly provided with a connecting shaft 602 rotatably connected to the inner bottom wall of the L-shaped cavity. The surface of the connecting shaft 602 is provided with a first transmission wheel 603, and the surface of the rotating rod 601 is fixedly provided with a second transmission wheel 604. The surfaces of the first transmission wheel 603 and the second transmission wheel 604 are sleeved with a transmission belt 605. like Figure 6-8As shown, it should be particularly noted that the first transmission wheel 603 is rotatably connected to the outer surface of the connecting shaft 602, and an annular cavity is opened inside the first transmission wheel 603, and the outer surface of the connecting shaft 602 located inside the annular cavity is fixedly provided with a plurality of rotating frames 606 in a circumferential array, and a rotating shaft 607 is rotatably provided on the inner wall of the rotating frame 606, and a rotating block 608 is fixedly provided on the surface of the rotating shaft 607, and a stopper 609 corresponding to the plurality of rotating blocks 608 is fixedly provided on the inner ring wall of the annular cavity in a circumferential array.

[0028] like Figure 8 As shown, further, two symmetrical torsion springs 6010 are sleeved on the outer surface of the rotating shaft 607, and the two ends of the torsion spring 6010 are fixedly connected to the surface of the rotating block 608 and the inner wall of the rotating frame 606 respectively. The setting of the torsion spring 6010 facilitates the resetting of the rotating block 608.

[0029] A limit baffle 6011 for limiting the rotation position of the rotation block 608 is fixedly disposed on the outer surface of the rotation frame 606 , and a certain distance exists between the limit baffle 6011 and the rotation block 608 .

[0030] like Figure 3 As shown, further, a plurality of columns 6012 are fixedly provided on the lower surface of the rotating disk 401 in a circular array, and a rotating cavity is opened at the bottom end of each of the columns 6012, and a metal ball 6013 is rotatably arranged on the inner wall of the rotating cavity, and an annular limiting groove for the rolling of the plurality of metal balls 6013 is opened on the inner bottom wall of the rotating groove, and the arrangement of the metal ball 6013 effectively ensures the stability of the rotating disk 401 during rotation.

[0031] In this embodiment, by setting the welding assembly 500 and the switching assembly 600, the device can start the drive motor 506 to drive the threaded column 505 to rotate after positioning a plurality of automobile temperature sensors. The rotation of the threaded column 505 drives the lifting plate 502 to move downward, and drives the welding gun 504 to move downward to automatically weld the positioned automobile temperature sensors. When welding is completed, the drive motor 506 can be started to reverse and drive the lifting plate 502 to move upward, so that the welding gun 504 is away from the automobile temperature sensor. When the drive motor 506 reverses, it drives the threaded column 505 to reverse, and the reverse rotation of the threaded column 505 The connecting shaft 602 is driven to rotate in the opposite direction. During the process of the connecting shaft 602 rotating in the opposite direction, the first transmission wheel 603 can be driven to rotate. The rotation of the first transmission wheel 603 drives the second transmission wheel 604 to rotate through the transmission belt 605. The rotation of the second transmission wheel 604 drives the rotating rod 601 and the rotating disk 401 to rotate. The rotation of the rotating disk 401 drives the welded automobile temperature sensor to leave the welding area, and the unwelded automobile temperature sensor to enter the welding area. Therefore, the automobile temperature sensor can be automatically switched during the resetting process of the welding gun 504, so as to achieve the purpose of continuous welding and effectively improve the welding efficiency.

[0032] like Figure 6 and Figure 7 As shown, further, during the positive rotation of the threaded column 505, the threaded column 505 can drive the connecting shaft 602 to positively rotate, that is, Figure 6 and Figure 7 The connecting shaft 602 in the middle rotates counterclockwise. When the connecting shaft 602 rotates counterclockwise, the end of the rotating block 608 contacts the end of the stopper 609, which can drive the rotating block 608 to rotate around the rotating shaft 607 until the end of the rotating block 608 is separated from the stopper 609. At this time, the rotation of the connecting shaft 602 will not drive the first transmission wheel 603 to rotate. When the threaded column 505 is reversed, the welding gun 504 moves upward to reset, driving the connecting shaft 602 to reverse, that is, Figure 6 Figure 7 The middle connecting shaft 602 rotates clockwise, driving the rotating block 608 away from one block 609 and contacting the end of the next block 609. After contact, it continues to rotate, and can limit the rotation of the rotating block 608 under the action of the limit baffle 6011, so that the rotating block 608 can drive the block 609 to move, that is, it can drive the first transmission wheel 603 to rotate during the reversal of the connecting shaft 602.

[0033] Embodiment 3: Based on Embodiment 1 and Embodiment 2, and different from Embodiment 1 and Embodiment 2, A welding device for an automobile temperature sensor, further comprising: The cleaning component 700 is used to clean the dust attached to the surface of the positioned automobile temperature sensor before welding.

[0034] like Figure 3 and Figure 5 As shown, the cleaning component 700 includes two push-type air pumps 701 symmetrically fixed on the inner wall of the rectangular opening corresponding to the lifting plate 502, and a sealing box 702 fixed on the lower surface of the lifting plate 502, and the lower surface of the sealing box 702 is embedded with an air injection pipe 703 connected to the sealing box 702, and the outer surfaces of the bottom end of the push-type air pump 701 are respectively provided with an air suction pipe 704 and an air charging hose 705, and the surfaces of the air suction pipe 704 and the air charging hose 705 are respectively provided with an air suction one-way valve 706 and an air outlet one-way valve 707, and the other end of the air charging hose 705 extends to the interior of the sealing box 702.

[0035] In this embodiment, by setting up a cleaning component 700, when the driving motor 506 rotates to drive the lifting plate 502 and the welding gun 504 to move downward, the movement of the lifting plate 502 can realize the pressing of the two push-type air pumps 701, so that the push-type air pumps 701 can inflate the interior of the sealing box 702 through the inflation hose 705, and make the air flow be ejected to the surface of the automobile temperature sensor through the air injection pipe 703, so as to achieve the purpose of automatically and fully cleaning the dust accumulated on the surface of the automobile temperature sensor before welding, thereby ensuring the quality of welding.

[0036] The present invention also provides a method for welding an automobile temperature sensor, comprising the following steps: S1, loading; placing a plurality of automobile temperature sensors in a plurality of positioning grooves respectively; S2, positioning; pressing a plurality of button switches 409 respectively, so that the two clamping plates 402 can effectively clamp and fix the automobile temperature sensor; S3, welding; starting the drive motor 506 to rotate forward to drive the welding gun 504 to move downward to achieve automatic welding; S4, reset switching; start the drive motor 506 to reverse and drive the welding gun 504 to move upward to reset, and at the same time realize the automatic switching of the automobile temperature sensor; S5, changing materials; removing the welded automobile temperature sensor from the positioning groove and replacing it with a new unwelded automobile temperature sensor.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding device for automobile temperature sensor, characterized in that: include: A base (100), wherein a mounting column (200) is fixedly provided on the upper surface of the base (100), and a working platform (300) is fixedly provided on the top of the mounting column (200); A positioning assembly (400) for fixing the automobile temperature sensor, the positioning assembly (400) comprising a rotating disk (401) arranged on the upper surface of the working platform (300), and a plurality of positioning grooves arranged in a circular array on the upper surface of the rotating disk (401), wherein two symmetrical clamping plates (402) for clamping the automobile temperature sensor are slidably arranged on the inner wall of the positioning groove; A welding assembly (500), the welding assembly (500) comprising an L-shaped mounting plate (501) fixedly mounted on the outer surface of a mounting column (200), and a lifting plate (502) slidably mounted on the side of the L-shaped mounting plate (501), a welding machine (503) fixedly mounted on the upper surface of the lifting plate (502), a welding gun (504) electrically connected to the welding machine (503) fixedly mounted on the lower surface of the lifting plate (502), the welding assembly (500) further comprising a rectangular opening provided on the side of the L-shaped mounting plate (501), and a threaded column (505) rotatably mounted on the inner wall of the rectangular opening, a driving motor (506) for driving the threaded column (505) to rotate is provided on the upper surface of the L-shaped mounting plate (501), the outer surface of the end of the lifting plate (502) is slidably connected to the inner wall of the rectangular opening, and a threaded hole threadedly connected to the outer surface of the threaded column (505) is provided on the upper surface of the lifting plate (502); A switching assembly (600) is used to drive a rotating disk (401) to rotate to realize automatic switching of a car temperature sensor on the rotating disk (401), wherein the switching assembly (600) comprises a rotating groove provided on the upper surface of a working platform (300), and the rotating disk (401) is rotatably connected to the inner wall of the rotating groove, and the interiors of the mounting column (200) and the L-shaped mounting plate (501) are respectively provided with a columnar cavity and an L-shaped cavity, and the L-shaped cavity is connected to the columnar cavity, and the inner bottom wall of the columnar cavity is rotatably provided with a A rotating rod (601) is disposed inside the rotating groove and fixedly connected to the lower surface of the rotating disk (401); the bottom end of the threaded column (505) extends into the L-shaped cavity and is fixedly provided with a connecting shaft (602) rotatably connected to the bottom wall of the L-shaped cavity; a first transmission wheel (603) is disposed on the surface of the connecting shaft (602); a second transmission wheel (604) is fixedly disposed on the surface of the rotating rod (601); and transmission belts (605) are sleeved on the surfaces of the first transmission wheel (603) and the second transmission wheel (604); A cleaning component (700) is used to clean dust attached to the surface of a positioned automobile temperature sensor before welding.

2. The automotive temperature sensor welding device according to claim 1, characterized in that: The positioning assembly (400) further comprises a strip groove formed in the bottom wall of the positioning groove, and a dual-axis motor (403) fixedly mounted on the inner wall of the strip groove, wherein both output ends of the dual-axis motor (403) are fixedly provided with a lead screw (404), and one end of the lead screw (404) away from the dual-axis motor (403) is rotatably connected to the inner wall of the strip groove.

3. The automotive temperature sensor welding device according to claim 2, characterized in that: Two symmetrical sliders (405) are slidably arranged on the inner wall of the strip groove, and threaded holes threadedly connected to the outer surfaces of the two lead screws (404) are respectively opened on the sides of the two sliders (405), and the top ends of the two sliders (405) are respectively fixedly connected to the bottom ends of the two clamping plates (402).

4. The automobile temperature sensor welding device according to claim 3, characterized in that: A sliding groove is provided on the side of the clamping plate (402), and a buffer plate (406) for protecting the automobile temperature sensor is slidably provided on the inner wall of the sliding groove. Two symmetrical buffer springs (407) are fixedly provided on the surface of the buffer plate (406), and the other end of the buffer spring (407) is fixedly connected to the inner wall of the sliding groove. A contact switch (408) is fixedly provided on the inner wall of the sliding groove, and the contact switch (408) is electrically connected to the dual-axis motor (403) through a wire. The upper surface of the rotating disk (401) is provided with a plurality of button switches (409) in a circular array for respectively controlling a plurality of dual-axis motors (403).

5. The automotive temperature sensor welding device according to claim 1, characterized in that: The first transmission wheel (603) is rotatably connected to the outer surface of the connecting shaft (602), and an annular cavity is provided inside the first transmission wheel (603); the outer surface of the connecting shaft (602) located inside the annular cavity is provided with a plurality of rotating frames (606) in a circumferential array, a rotating shaft (607) is rotatably provided on the inner wall of the rotating frame (606), a rotating block (608) is fixed on the surface of the rotating shaft (607), and a stopper (609) corresponding to the plurality of rotating blocks (608) is fixed on the inner ring wall of the annular cavity in a circumferential array.

6. The automobile temperature sensor welding device according to claim 5, characterized in that: Two symmetrical torsion springs (6010) are sleeved on the outer surface of the rotating shaft (607), and two ends of the torsion springs (6010) are respectively fixedly connected to the surface of the rotating block (608) and the inner wall of the rotating frame (606).

7. The automobile temperature sensor welding device according to claim 6, characterized in that: A limit baffle (6011) for limiting the rotation position of the rotation block (608) is fixedly provided on the outer surface of the rotation frame (606), and a certain distance exists between the limit baffle (6011) and the rotation block (608).

8. The automotive temperature sensor welding device according to claim 1, characterized in that: The lower surface of the rotating disk (401) is fixedly provided with a plurality of columns (6012) in a circular array, and a rotating cavity is provided at the bottom end of each of the plurality of columns (6012). A metal rolling ball (6013) is rotatably provided on the inner wall of the rotating cavity, and an annular limiting groove for the plurality of metal rolling balls (6013) to roll is provided on the inner bottom wall of the rotating groove.

9. The automobile temperature sensor welding device according to claim 1, characterized in that: The cleaning assembly (700) comprises two push-type air pumps (701) symmetrically fixed on the inner wall of the rectangular opening and corresponding to the lifting plate (502), and a sealing box (702) fixed on the lower surface of the lifting plate (502), wherein the lower surface of the sealing box (702) is embedded with an air injection pipe (703) connected to the sealing box (702), and the outer surface of the bottom end of the push-type air pump (701) is respectively provided with an air suction pipe (704) and an air charging hose (705), and the surfaces of the air suction pipe (704) and the air charging hose (705) are respectively provided with an air suction one-way valve (706) and an air discharge one-way valve (707), and the other end of the air charging hose (705) extends to the interior of the sealing box (702).

10. A welding method for an automobile temperature sensor welding device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Loading, placing several automotive temperature sensors in several positioning grooves S2: Positioning: Press several button switches (409) respectively to make the two clamping plates (402) effectively clamp and fix the automobile temperature sensor. S3, welding, start the drive motor (506) to rotate forward and drive the welding gun (504) to move downward to achieve automatic welding S4, reset switching, start the driving motor (506) to reverse and drive the welding gun (504) to move upward to reset, and realize the automatic switching of the automobile temperature sensor at the same time S5, changing materials, removing the welded automobile temperature sensor from the positioning groove and replacing it with a new unwelded automobile temperature sensor.

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