An automated welding device for production and maintenance of industrial instruments

Abstract

The present invention relates to the technical field of instrument production, and in particular to an automatic welding device for industrial instrument production and maintenance. In view of the fact that existing equipment requires manual operation and fixture fixation during welding, an automatic welding device for industrial instrument production and maintenance is provided, comprising a base, wherein the upper end of the base is provided with a top plate that can move up and down, the lower end of the top plate is provided with a welding machine, the upper end of the base is also provided with a rotating seat, the rotating seat is provided with an arc pad that matches the instrument housing, the two sides of the arc pad are respectively provided with clamping rods, and the middle part of the arc pad is provided with a conical positioning pin that matches the interface, when the top plate moves downward, it can form a structure in which the clamping rod moves upward and then moves inward, and the conical positioning pin moves upward; when the top plate continues to move downward, it can form a structure in which the rotating seat, the arc pad, the instrument housing, and the interface rotate; it can automatically weld, and can automatically calibrate and fix the instrument housing and the interface before welding, thereby reducing manual operation and improving welding efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of instrument production, and in particular to an automatic welding device for production and maintenance of industrial instruments. Background Art

[0002] Industrial instruments are devices used to measure, monitor and control various industrial processes and parameters. These instruments play an important role in many industries, helping to improve production efficiency, ensure safety and quality, and reduce resource waste. The production, maintenance and welding of industrial instruments are key links to ensure the normal operation of the instruments and extend their service life. In the production or maintenance process, welding is an important link, especially at the connection between the instrument housing and the interface pipe, which is usually used for welding to fix it. At present, when welding the instrument housing and the interface, it is usually placed on a designated fixture for manual precision welding. The fixture needs to be manually fixed, which reduces the welding efficiency. For this reason, an automated welding device for industrial instrument production and maintenance is designed to solve the above-mentioned problems. Summary of the invention

[0003] In view of the fact that existing equipment requires manual operation of fixture fixation during welding, the present invention provides an automated welding device for industrial instrument production and maintenance, which is capable of automated welding and can automatically calibrate and fix the instrument housing and interface before welding, thereby reducing manual operation, improving welding efficiency, and effectively solving the problems mentioned in the above background technology.

[0004] In order to solve the above problems, the technical solution adopted by the present invention is:

[0005] An automated welding device for production and maintenance of industrial instruments, comprising a base, a top plate capable of moving up and down is provided at the upper end of the base, a welding machine is provided at the lower end of the top plate, a rotating seat is also provided at the upper end of the base, an arc pad matched with an instrument housing is provided on the rotating seat, clamping rods are provided on both sides of the arc pad, a conical positioning pin matched with an interface is provided in the middle of the arc pad, when the top plate moves downward, a structure in which the clamping rod moves upward and then moves inward, and the conical positioning pin moves upward is formed; when the top plate continues to move downward, a structure in which the rotating seat, the arc pad, the instrument housing, and the interface rotate is formed;

[0006] The upper end surface of the rotating seat is fixedly connected with an L-shaped seat, the front and rear sides of the lower end surface of the arc pad are respectively slidably connected with movable sleeve seats, the clamping rods are respectively slidably connected to the corresponding inner walls of the sleeve seats, the inner walls of the lower ends of the clamping rods are respectively fixedly connected with third sliding pins, the front and rear sides of the lower end surface of the L-shaped seat are respectively fixedly connected with two track frames, and the track frames are respectively provided with third inclined grooves and third transverse grooves that match the third sliding pins;

[0007] The L-shaped seat is provided with a rotatable second spur gear, the inner wall of the second spur gear is fixedly connected to a transmission shaft rotatably connected to the L-shaped seat, a disc is fixedly connected to the middle of the outer surface of the transmission shaft, and two centrally symmetrical first connecting rods are hinged at the center of the lower end surface of the disc, and the outer ends of the two first connecting rods are respectively hinged to the corresponding sleeve seats;

[0008] A long pin is fixedly connected to the inner wall of the upper end of the transmission shaft, a cylindrical cam is slidably connected to the inner wall of the middle part of the arc pad, and an arc-shaped inclined groove and a flat arc groove are respectively provided at the front and rear ends of the outer surface of the cylindrical cam to match the long pin, and the conical positioning pin is installed at the upper end of the cylindrical cam;

[0009] A second spur gear is meshed with a second spur rack on its outer surface, a U-shaped frame fixedly connected to the second spur rack is slidably connected to the lower end surface of the L-shaped seat, a pull rod is fixedly connected to the inner wall of the U-shaped frame, a second guide plate capable of moving up and down is slidably connected to the rear end surface of the L-shaped seat, a second sliding pin is fixedly connected to the rear end of the pull rod, and a second oblique groove and a second vertical groove matching the second sliding pin are provided on the second guide plate;

[0010] The lower end surface of the top plate is fixedly connected to a support frame, the inner wall of the support frame is rotatably connected to a conical pressure pad that matches the interface, the lower end surface of the support frame is fixedly connected to a pressure ring, the inner wall of the lower end of the pressure ring is slidably connected to an arc-shaped slider, the lower end surface of the arc-shaped slider is fixedly connected to a long guide rod, and the lower end of the long guide rod is fixedly connected to the second guide plate;

[0011] The upper end surface of the base is fixedly connected to a vertical seat, the lower end surface of the top plate is also fixedly connected to a vertical rod slidably connected to the vertical seat, a first sliding pin is fixedly connected to one side end surface of the vertical rod, the upper end of the base is rotatably connected to a first spur gear, the rotating seat is coaxially fixed to the upper end of the first spur gear, the upper end surface of the base is also slidably connected to a first spur rack meshing with the first spur gear, the rear end surface of the first spur rack is fixedly connected to a first guide plate, and the first guide plate is provided with a first vertical groove and a first inclined groove matching the first sliding pin.

[0012] A positioning seat is fixedly connected to the upper end surface of the cylindrical cam, a conical positioning pin is fixedly connected to the upper end surface of the positioning seat, a disc cam fixed to the transmission shaft is provided on the inner wall of the positioning seat, telescopic rods are slidably connected to the inner walls at the front and rear ends of the positioning seat, arc-shaped expansion rods are fixedly connected to the outer ends of the two telescopic rods, short sliding pins are fixedly connected to the inner ends of the two telescopic rods, and arc grooves and reducing grooves matching the short sliding pins are respectively provided on the front and rear sides of the upper end surface of the disc cam.

[0013] The telescopic rods respectively include an inner rod and an outer tube, the inner rods are respectively slidably connected to the corresponding inner walls of the outer tubes, and the inner walls at the bottom ends of the outer tubes are respectively fixed with first springs that match the inner rods.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] When in use, by placing the instrument housing and the interface on the arc pad, when the top plate moves downward, it can drive the clamp rod to move upward and then inward, and the conical positioning pin to move upward. The clamp rod can clamp, calibrate and fix the instrument housing when moving inward, and the conical positioning pin can calibrate and fix the interface when moving upward, so that the instrument housing and the interface are calibrated and fixed on the arc pad. When the top plate continues to move downward, it can drive the corresponding rotating seat, arc pad, instrument housing, interface, etc. to rotate synchronously. When the instrument housing and the interface rotate, the instrument housing and the interface can be welded and fixed under the operation of the welding machine. The whole process can be automated. Before welding, the instrument housing and the interface can be automatically calibrated and fixed, which reduces manual operation and improves welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a first axonometric view of an automated welding device for industrial instrument production and maintenance according to the present invention.

[0017] Figure 2 This is a second axonometric view of an automated welding device for industrial instrument production and maintenance according to the present invention.

[0018] Figure 3 The present invention is a schematic diagram of the installation of a pressure ring of an automated welding device for industrial instrument production and maintenance.

[0019] Figure 4 This is a schematic diagram of the vertical pole installation of an automatic welding device for industrial instrument production and maintenance according to the present invention.

[0020] Figure 5 This is a schematic diagram of the installation of the first guide plate of an automated welding device for industrial instrument production and maintenance according to the present invention.

[0021] Figure 6 The present invention is a cross-sectional view of an arc pad of an automated welding device for industrial instrument production and maintenance.

[0022] Figure 7 The invention discloses a cross-sectional view of an L-shaped seat of an automatic welding device for production and maintenance of industrial instruments.

[0023] Figure 8 The present invention is a schematic diagram of the installation of a cylindrical cam of an automated welding device for industrial instrument production and maintenance.

[0024] Fig. 9 The present invention is a schematic diagram of the installation of a positioning seat of an automatic welding device for industrial instrument production and maintenance.

[0025] Fig.10 The present invention is a cross-sectional view of a positioning seat of an automatic welding device for production and maintenance of industrial instruments.

[0026] Fig.11 The present invention is a schematic diagram of the installation of a disc cam of an automated welding device for industrial instrument production and maintenance.

[0027] Fig.12 The present invention is a cross-sectional view of the outer cylinder of an automatic welding device for production and maintenance of industrial instruments.

[0028] Numbers in the figure: 1-base, 2-driving rod, 3-top plate, 4-support frame, 5-pressure ring, 6-welding machine, 7-conical pressure pad, 8-vertical rod, 9-vertical seat, 10-first sliding pin, 11-first guide plate, 12-first vertical groove, 13-first inclined groove, 14-first straight rack, 15-first straight gear, 16-rotating seat, 17-side bar, 18-instrument housing, 19-interface, 20-L-shaped seat, 21-second guide plate, 22-second inclined groove, 23-second sliding pin, 24-long guide rod, 25-arc slider, 26-arc pad, 27-pull rod, 28- The second vertical groove, 29-U-shaped frame, 30-second spur rack, 31-second spur gear, 32-disc, 33-first connecting rod, 34-sleeve, 35-clamp rod, 36-track frame, 37-third transverse groove, 38-third inclined groove, 39-third sliding pin, 40-transmission shaft, 41-long pin, 42-cylindrical cam, 43-flat arc groove, 44-arc-shaped inclined groove, 45-positioning seat, 46-conical positioning pin, 47-disc cam, 48-arc groove, 49-diameter reducing groove, 50-short sliding pin, 51-arc-shaped expansion support rod, 52-inner rod, 53-outer cylinder, 54-first spring. DETAILED DESCRIPTION

[0029] The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

[0030] like Figure 1-Figure 12 As shown, the present invention provides an automated welding device for production and maintenance of industrial instruments, including a base 1, wherein a top plate 3 capable of moving up and down is provided at the upper end of the base 1, a welding machine 6 is provided at the lower end of the top plate 3, a rotating seat 16 is further provided at the upper end of the base 1, an arc pad 26 matched with an instrument housing 18 is provided on the rotating seat 16, clamping rods 35 are provided on both sides of the arc pad 26, and a conical positioning pin 46 matched with an interface 19 is provided in the middle of the arc pad 26, when the top plate 3 moves downward, a structure in which the clamping rod 35 moves upward and then moves inward, and the conical positioning pin 46 moves upward can be formed; when the top plate 3 continues to move downward, a structure in which the rotating seat 16, the arc pad 26, the instrument housing 18, and the interface 19 rotate can be formed.

[0031] like Figure 1-Figure 8As shown, the base 1 is used to support the entire device, and a driving rod 2 is fixedly connected to the rear side of the upper end surface of the base 1, and the top plate 3 is fixedly connected to the upper end of the driving rod 2. The driving rod 2 has a telescopic function and can drive the top plate 3 to move upward or downward. The driving rod 2 is a prior art and will not be described in detail. The welding machine 6 can move up and down with the top plate 3, that is, when the top plate 3 moves downward, the welding machine 6 can be driven to reach a specified position, that is, the connection between the instrument housing 18 and the interface 19. When the welding machine 6 is working, the instrument housing 18 and the interface 19 can be welded and fixed. The welding machine 6 is a prior art and will not be described in detail. The rotating seat 16 can support components such as an arc pad 26 and a clamping rod 35. By placing the instrument housing 18 and the interface 19 on the arc pad 26, when the top plate 3 moves downward, the clamping rod 35 can be driven to move upward and then move inward, and the conical positioning pin 46 can move upward. When the clamping rod 35 moves inward, it can clamp, calibrate and fix the instrument housing 18, and when the conical positioning pin 46 moves upward, it can align with the interface 1 9 is calibrated and fixed, so that the instrument housing 18 and the interface 19 are calibrated and fixed on the arc pad 26. When the top plate 3 continues to move downward, the corresponding rotating seat 16, the arc pad 26, the instrument housing 18, the interface 19, etc. can be driven to rotate synchronously. When the instrument housing 18 and the interface 19 rotate, the instrument housing 18 and the interface 19 can be welded and fixed under the operation of the welding machine 6. The welding machine 6 can also move forward and backward and up and down on the top plate 3, and can move with multiple degrees of freedom to change the welding position. When the top plate 3 moves downward, the welding machine 6 can remain in the specified position, that is, the connection position of the instrument housing 18 and the interface 19, and can adapt to welding instrument housings 18 and interfaces 19 of different models; the clamping rod 35 is at the lowest end, that is, the bottom position of the arc pad 26 under normal conditions, which is convenient for taking and placing the instrument housing 18 on the arc pad 26, and the whole process can be automated. Before welding, the instrument housing 18 and the interface 19 can be automatically calibrated and fixed, reducing manual operation and improving welding efficiency.

[0032] An L-shaped seat 20 is fixedly connected to the upper end surface of the rotating seat 16, and movable sleeves 34 are slidably connected to the front and rear sides of the lower end surface of the arc pad 26, and the clamping rods 35 are slidably connected to the corresponding inner walls of the sleeves 34, and the inner walls of the lower ends of the clamping rods 35 are fixedly connected to third sliding pins 39, and two track frames 36 are fixedly connected to the front and rear sides of the lower end surface of the L-shaped seat 20, and the track frames 36 are respectively provided with third inclined grooves 38 and third transverse grooves 37 that cooperate with the third sliding pins 39.

[0033] like Figure 6-Figure 8As shown, the L-shaped seat 20 supports the arc pad 26, the clamping rod 35 and other components. The arc pad 26 is fixed to the L-shaped seat 20, and the sleeve 34 can be slidably connected to the lower end surface of the arc pad 26, and the sleeve 34 can move forward and backward on the lower end surface of the arc pad 26; the clamping rod 35 can move up and down on the inner wall of the sleeve 34, and when the sleeve 34 moves forward and backward, it can drive the clamping rod 35 to move forward and backward. The sleeve 34, the clamping rod 35, the third sliding pin 39, and the track frame 36 are installed and shaped as shown in FIG. Figure 8 As shown, when the sleeve 34 moves inward, it can drive the clamping rod 35 and the third sliding pin 39 to move inward, and the third sliding pin 39 can move upward and inward at the same time when engaged with the third inclined groove 38, that is, the clamping rod 35 moves upward and inward at the same time, and when the sleeve 34 continues to move inward, it can drive the third sliding pin 39 to enter the inner wall of the third transverse groove 37, and the clamping rod 35 moves upward to the top position. At this time, the clamping rod 35 will move horizontally inward, thereby calibrating and clamping the instrument housing 18, and when the sleeve 34 moves outward, it can drive the clamping rod 35 to move outward and reset, which will not be repeated.

[0034] The L-shaped seat 20 is provided with a rotatable second spur gear 31, the inner wall of the second spur gear 31 is fixedly connected to a transmission shaft 40 rotatably connected to the L-shaped seat 20, a disc 32 is fixedly connected to the middle of the outer surface of the transmission shaft 40, and two centrally symmetrical first connecting rods 33 are hinged at the center of the lower end surface of the disc 32, and the outer ends of the two first connecting rods 33 are respectively hinged to the corresponding sleeve seats 34.

[0035] like Figure 8 As shown, when the second spur gear 31 rotates, the transmission shaft 40 and the disc 32 can be driven to rotate, and the transmission shaft 40 can only rotate on the L-shaped seat 20; through the hinge connection between the first connecting rod 33 and the disc 32, when the second spur gear 31 and the disc 32 rotate, the two sleeves 34 can be driven to move inward or outward synchronously, that is, the clamping rod 35 is driven to move inward or outward. The first connecting rod 33 can be a telescopic connecting rod with a certain telescopic function. Under normal circumstances, the telescopic connecting rod is in the shortest state. When the two clamping rods 35 contact the end surfaces on both sides of the instrument housing 18, the telescopic connecting rod can be extended, so that the two clamping rods 35 can adapt to clamping instrument housings 18 of different widths. When the second spur gear 31 rotates in the opposite direction, the clamping rod 35 can be moved outward and reset, which will not be repeated.

[0036] A long pin 41 is fixedly connected to the inner wall of the upper end of the transmission shaft 40, and a cylindrical cam 42 is slidably connected to the inner wall of the middle part of the arc pad 26. The front and rear ends of the outer surface of the cylindrical cam 42 are respectively provided with an arc-shaped inclined groove 44 and a flat arc groove 43 that match the long pin 41, and the conical positioning pin 46 is installed at the upper end of the cylindrical cam 42.

[0037] like Fig. 9As shown, the cylindrical cam 42 can be slidably connected to the inner wall of the arc pad 26 up and down. When the transmission shaft 40 and the long pin 41 rotate, the cylindrical cam 42 and the conical positioning pin 46 can be driven to move upward through the engagement of the arc-shaped inclined groove 44 and the long pin 41. When the transmission shaft 40 and the long pin 41 continue to rotate until the long pin 41 enters the inner wall of the flat arc groove 43, the cylindrical cam 42 and the conical positioning pin 46 move upward to the top position and no longer move upward.

[0038] A positioning seat 45 is fixedly connected to the upper end surface of the cylindrical cam 42, and a conical positioning pin 46 is fixedly connected to the upper end surface of the positioning seat 45. A disc cam 47 fixedly connected to the transmission shaft 40 is provided on the inner wall of the positioning seat 45. Telescopic rods are slidably connected to the inner walls of the front and rear ends of the positioning seat 45, and arc expansion rods 51 are fixedly connected to the outer ends of the two telescopic rods, and short sliding pins 50 are fixedly connected to the inner ends of the two telescopic rods. Arc grooves 48 and reducing grooves 49 matching the short sliding pins 50 are respectively provided on the front and rear sides of the upper end surface of the disc cam 47.

[0039] like Figure 10-12 As shown, the upper end of the transmission shaft 40 passes through the lower end surface of the positioning seat 45 and is rotatably connected to the inner wall of the positioning seat 45. The disc cam 47 is fixedly connected to the upper end surface of the transmission shaft 40, and the transmission shaft 40 can drive the disc cam 47 to rotate when it rotates; the telescopic rod can slide back and forth on the inner wall of the positioning seat 45. When the two telescopic rods move outward, they can drive the arc expansion rod 51 to move outward. When the arc expansion rod 51 moves outward, it can squeeze the inner wall of the interface 19, thereby squeezing, calibrating and fixing the interface 19; the installation and shape of the short sliding pin 50, the arc groove 48, and the reducing groove 49 are as shown in FIG. Fig.11As shown, the arc groove 48 is a groove of equal radius. When the transmission shaft 40 and the disc cam 47 rotate, the short sliding pin 50, the telescopic rod, and the arc expansion rod 51 can be intermittently in the innermost end state through the engagement of the short sliding pin 50 with the arc groove 48. When the disc cam 47 continues to rotate until the short sliding pin 50 is engaged with the variable diameter groove 49, the short sliding pin 50, the telescopic rod, and the arc expansion rod 51 will move outward. When the arc expansion rod 51 moves outward, it will squeeze the interface 19, thereby fixing the interface 19; through the cooperation of the long pin 41 with the arc inclined groove 44 and the flat arc groove 43, and the cooperation of the short sliding pin 50 with the arc groove 48 and the variable diameter groove 49, when the transmission shaft 40 rotates, the cylindrical cam 42 and the positioning seat 45 , tapered locating pin 46, etc. move upward synchronously first, and after moving upward until the locating seat 45 and the tapered locating pin 46 enter the inner wall of the interface 19, that is, the topmost position, when the transmission shaft 40 continues to rotate, the corresponding cylindrical cam 42, locating seat 45, etc. will no longer move upward, and the two arc-shaped expansion rods 51 will move outward. When the arc-shaped expansion rods 51 move outward, they will squeeze the inner wall of the interface 19, thereby expanding and fixing the interface 19. When the transmission shaft 40 rotates in the opposite direction, the corresponding arc-shaped expansion rod 51 will first move inward, that is, it will break away from contact with the inner wall of the interface 19 and close to the inner wall of the locating seat 45. When the rotating shaft continues to reverse, the corresponding cylindrical cam 42, locating seat 45, etc. will move downward and reset. The principle is the same and will not be repeated.

[0040] The telescopic rods include an inner rod 52 and an outer tube 53 . The inner rods 52 are slidably connected to the corresponding inner walls of the outer tubes 53 . The inner walls at the bottom ends of the outer tubes 53 are fixedly connected with first springs 54 that match the inner rods 52 .

[0041] like Fig.12 As shown, the outer cylinder 53 is slidably connected to the inner wall of the positioning seat 45, and the inner rod 52 can be slidably connected to the inner wall of the outer cylinder 53 back and forth, and the short sliding pins 50 are respectively fixed to the inner rod 52, and the first spring 54 always has a driving force on the inner rod 52, so that the telescopic rod is in the longest state under normal conditions. When the inner rod 52 moves outward, it can drive the first spring 54, the outer cylinder 53, and the arc-shaped expansion rod 51 to move outward synchronously. When the arc-shaped expansion rod 51 contacts the inner wall of the interface 19, the inner rod 52 continues to move outward and squeezes the first spring 54 to shorten the corresponding outer cylinder 53 and the arc-shaped expansion rod 51 no longer move outward, and under the elastic force of the first spring 54 itself, the arc-shaped expansion rod 51 can have an outward squeezing force, so that the arc-shaped expansion rod 51 fixes the interface 19 more firmly, and has a larger telescopic space under the setting of the telescopic rod, so that the arc-shaped expansion rod 51 can fix interfaces 19 of different diameters.

[0042] A second spur rack 30 is meshed on the outer surface of the second spur gear 31, a U-shaped frame 29 fixedly connected to the second spur rack 30 is slidably connected to the lower end surface of the L-shaped seat 20, a pull rod 27 is fixedly connected to the inner wall of the U-shaped frame 29, a second guide plate 21 capable of moving up and down is slidably connected to the rear end surface of the L-shaped seat 20, a second sliding pin 23 is fixedly connected to the rear end of the pull rod 27, and a second inclined groove 22 and a second vertical groove 28 matching the second sliding pin 23 are provided on the second guide plate 21.

[0043] like Figure 6-Figure 7 As shown, the U-shaped frame 29 can be slidably connected to the inner wall of the L-shaped seat 20 forward and backward, and the second spur rack 30 is limited by the U-shaped frame 29, so that the second spur rack 30 can only move forward and backward, the pull rod 27 passes through the rear end surface of the L-shaped seat 20 and is slidably connected to the inner wall of the L-shaped seat 20, and the second guide plate 21 can be slidably connected to the inner wall of the L-shaped seat 20 up and down, and the second guide plate 21 can move up and down; the rear end surface of the pull rod 27 is fixedly connected to the support seat, and the second sliding pin 23 is fixedly connected to the support seat, which is equivalent to the second sliding pin 23 being fixedly connected to the pull rod 27. Through the engagement of the second inclined groove 22, the second vertical groove 28 and the second sliding pin 23, when the second guide plate 21 moves downward, the second sliding pin 23 can be engaged with the second inclined groove 22. When the second guide plate 21 continues to move downward, the second sliding pin 23 will enter the inner wall of the second vertical groove 28. At this time, the second guide plate 21 moves downward and no longer drives the second sliding pin 23 to move backward, that is, it no longer drives the pulling rod 27, the second spur rack 30, etc. to move backward, that is, the second spur gear 31 no longer rotates. When the second guide plate 21 moves upward, it will drive the second sliding pin 23, the second spur rack 30, etc. to move forward and reset, that is, the corresponding second spur gear 31 rotates in the opposite direction and resets. The principle is the same and will not be repeated.

[0044] The lower end surface of the top plate 3 is fixedly connected to a support frame 4, the inner wall of the support frame 4 is rotatably connected to a conical pressure pad 7 that matches the interface 19, the lower end surface of the support frame 4 is fixedly connected to a pressure ring 5, the lower end inner wall of the pressure ring 5 is slidably connected to an arc-shaped slider 25, the lower end surface of the arc-shaped slider 25 is fixedly connected to a long guide rod 24, and the lower end of the long guide rod 24 is fixedly connected to the second guide plate 21.

[0045] like Figure 3-Figure 6As shown, when the top plate 3 moves up and down, it can drive the support frame 4, the conical pressure pad 7, the pressure ring 5, etc. to move upward or downward synchronously. When the conical pressure pad 7 moves downward to the bottom, it can contact the upper end surface of the interface 19, that is, the conical pressure pad 7 can squeeze and fix the interface 19 downward, so that the interface 19 is in close contact with the instrument housing 18, thereby improving the welding sealing performance; the conical pressure pad 7 is rotatably connected to the inner wall of the support frame 4, and when the interface 19 contacts the conical pressure pad 7, the interface 19 rotates and can drive the conical pressure pad 7 to rotate together; the arc-shaped slider 25 can slide in a circle on the inner wall of the pressure ring 5, that is, when the rotating seat 16, the L-shaped seat 20, and the second guide plate 21 , long guide rod 24, etc. rotate in a circular motion, the arc-shaped slider 25 can move in a circular motion on the inner wall of the pressure ring 5, without affecting the circumferential motion of the rotating seat 16, the L-shaped seat 20, the second guide plate 21, the long guide rod 24, etc., and when the pressure pad moves up and down, it can drive the arc-shaped slider 25, the long guide rod 24, and the second guide plate 21 to move up and down, so that the movements of the two do not interfere with each other but are interrelated; when the top plate 3, the support frame 4, and the pressure pad move up and down, the arc-shaped slider 25, the long guide rod 24, and the second guide plate 21 will be driven to move up and down, and when the second guide plate 21 moves up and down, the second spur gear 31 will be driven to rotate, driving the clamping rod 35, the arc-shaped expansion support rod 51, etc. to work.

[0046] A vertical seat 9 is fixedly connected to the upper end surface of the base 1, and a vertical rod 8 slidably connected to the vertical seat 9 is also fixedly connected to the lower end surface of the top plate 3. A first sliding pin 10 is fixedly connected to the end surface of one side of the vertical rod 8. A first spur gear 15 is rotatably connected to the upper end of the base 1, and a rotating seat 16 is coaxially fixed to the upper end of the first spur gear 15. A first spur rack 14 meshing with the first spur gear 15 is also slidably connected to the upper end surface of the base 1. A first guide plate 11 is fixedly connected to the rear end surface of the first spur rack 14, and a first vertical groove 12 and a first inclined groove 13 matching with the first sliding pin 10 are provided on the first guide plate 11.

[0047] like Figure 3-Figure 5 As shown, the left and right sides of the upper end surface of the rotating seat 16 are also fixedly connected with side bars 17 respectively, and the side bars 17 play a role in supporting and limiting the instrument housing 18, so that the instrument housing 18 is placed on the rotating seat 16 more stably; the first spur gear 15 and the inner wall of the rotating seat 16 are fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected to the base 1, limiting the first spur gear 15 and the rotating seat 16 to only rotate at the upper end of the base 1, and the first spur rack 14 can slide back and forth on the upper end surface of the base 1. When the first spur rack 14 moves back and forth, it can drive the first spur gear 15 and the rotating seat 16 to rotate through engagement with the first spur gear 15. The vertical rod 8 can be slidably connected to the inner wall of the vertical seat 9 up and down. When the top plate 3 moves up and down, it can drive the vertical rod 8 and the first sliding pin 10 to move up and down. The installation and shape of the first sliding pin 10 and the first guide plate 11 are as shown in Figure 5As shown, when the top plate 3, the vertical rod 8, and the first sliding pin 10 move downward, the first sliding pin 10, in meshing with the first vertical groove 12, will cause the first guide plate 11 to stop intermittently for a period of time, that is, at this time, the first guide plate 11 and the first straight rack 14 will not move forward or backward. When the first sliding pin 10 continues to move downward to mesh with the first inclined groove 13, the first guide plate 11 and the first straight rack 14 will move backward. When the first straight rack 14 moves backward, it will mesh with the first straight gear 15, which will drive the first straight gear 15, the rotating seat 16, etc. to rotate. Through the cooperation of the first guide plate 11, the first sliding pin 10, the second guide plate 21, and the second sliding pin 23, when the top plate 3 moves downward, the first sliding pin 10 and the second guide plate 21 can be driven to move downward. At this time, the first sliding pin 10 is engaged with the first vertical groove 12, that is, the rotating seat 16 does not rotate. At this time, the second sliding pin 23 is engaged with the second inclined groove 22. When the second guide plate 21 moves downward, the second sliding pin 23 can be driven to move backward through the engagement of the second inclined groove 22 and the second sliding pin 23, so that the clamping rod 35 moves inward and upward at the same time. The clamping rod 35 The instrument housing 18 is clamped and fixed, and the corresponding conical positioning pin 46 and positioning seat 45 will move upward. After the conical positioning pin 46 and positioning seat 45 move upward to the specified position, the arc expansion rod 51 will move outward to expand and fix the interface 19. After the instrument housing 18 and the interface 19 are completely fixed, the top plate 3 continues to move downward, and the corresponding second sliding pin 23 will enter the inner wall of the second vertical groove 28, that is, the top plate 3 continues to move downward and no longer drives the clamping rod 35, the conical positioning pin 46, the arc expansion rod 51, etc. to move, and the first sliding pin 10 will enter the first inclined groove 1 3, when the top plate 3, the first sliding pin 10, etc. continue to move downward, the first straight gear 15 and the rotating seat 16 will be driven to rotate, that is, the instrument housing 18, the interface 19, etc. will be driven to rotate. Under the operation of the welding machine 6, the instrument housing 18 and the interface 19 can be welded and fixed. When the top plate 3 moves upward to reset, the rotating seat 16 can be driven to rotate in the opposite direction to the initial state under the meshing of the first sliding pin 10 and the first guide plate 11, and the corresponding clamping rod 35 and the tapered positioning pin 46 can be reset to the initial state under the meshing of the second guide plate 21 and the second sliding pin 23, which will not be repeated.

[0048] When the present invention is in use, by placing the instrument housing 18 and the interface 19 on the arc pad 26, when the top plate 3 moves downward, it can drive the clamping rod 35 to move upward and then move inward, and the conical positioning pin 46 to move upward, and the clamping rod 35 can clamp, calibrate and fix the instrument housing 18 when moving inward, and the conical positioning pin 46 can calibrate and fix the interface 19 when moving upward, so that the instrument housing 18 and the interface 19 are calibrated and fixed on the arc pad 26, and when the top plate 3 continues to move downward, it can drive the corresponding rotating seat 16, arc pad 26, instrument housing 18, interface 19 and the like to rotate synchronously, and when the instrument housing 18 and the interface 19 rotate, the instrument housing 18 and the interface 19 can be welded and fixed under the operation of the welding machine 6, and the whole process can be automated. Before welding, the instrument housing 18 and the interface 19 can be automatically calibrated and fixed, thereby reducing manual operation and improving welding efficiency.

Claims

1. An automated welding device for industrial instrument production and maintenance, comprising a base (1), Features: The upper end of the base (1) is provided with a top plate (3) that can move up and down, the lower end of the top plate (3) is provided with a welding machine (6), the upper end of the base (1) is also provided with a rotating seat (16), the rotating seat (16) is provided with an arc pad (26) that matches with the instrument housing (18), clamping rods (35) are respectively provided on both sides of the arc pad (26), and a conical positioning pin (46) that matches with the interface (19) is provided in the middle of the arc pad (26). When the top plate (3) moves downward, a structure can be formed in which the clamping rod (35) moves upward and then moves inward, and the conical positioning pin (46) moves upward; when the top plate (3) continues to move downward, a structure can be formed in which the rotating seat (16), the arc pad (26), the instrument housing (18), and the interface (19) rotate; The upper end surface of the rotating seat (16) is fixedly connected to an L-shaped seat (20); the front and rear sides of the lower end surface of the arc pad (26) are respectively slidably connected to movable sleeve seats (34); the clamping rods (35) are respectively slidably connected to the corresponding inner walls of the sleeve seats (34); the inner walls of the lower ends of the clamping rods (35) are respectively fixedly connected to third sliding pins (39); the front and rear sides of the lower end surface of the L-shaped seat (20) are respectively fixedly connected to two track frames (36); the track frames (36) are respectively provided with third inclined grooves (38) and third transverse grooves (37) that match the third sliding pins (39); The L-shaped seat (20) is provided with a rotatable second spur gear (31), the inner wall of the second spur gear (31) is fixedly connected to a transmission shaft (40) rotatably connected to the L-shaped seat (20), a disk (32) is fixedly connected to the middle of the outer surface of the transmission shaft (40), and two centrally symmetrical first connecting rods (33) are hinged at the center of the lower end surface of the disk (32), and the outer ends of the two first connecting rods (33) are respectively hinged to corresponding sleeve seats (34); A long pin (41) is fixedly connected to the inner wall of the upper end of the transmission shaft (40); a cylindrical cam (42) is slidably connected to the inner wall of the middle part of the arc pad (26); an arc-shaped inclined groove (44) and a flat arc groove (43) matching the long pin (41) are respectively formed at the front and rear ends of the outer surface of the cylindrical cam (42); and the conical positioning pin (46) is mounted on the upper end of the cylindrical cam (42); A second spur gear (31) is meshed with a second spur rack (30) on its outer surface; a U-shaped frame (29) fixedly connected to the second spur rack (30) is slidably connected to the lower end surface of the L-shaped seat (20); a pull rod (27) is fixedly connected to the inner wall of the U-shaped frame (29); a second guide plate (21) capable of moving up and down is slidably connected to the rear end surface of the L-shaped seat (20); a second sliding pin (23) is fixedly connected to the rear end of the pull rod (27); and a second inclined groove (22) and a second vertical groove (28) matched with the second sliding pin (23) are provided on the second guide plate (21); The lower end surface of the top plate (3) is fixedly connected to a support frame (4), the inner wall of the support frame (4) is rotatably connected to a conical pressure pad (7) that matches the interface (19), the lower end surface of the support frame (4) is fixedly connected to a pressure ring (5), the lower inner wall of the pressure ring (5) is slidably connected to an arc-shaped slider (25), the lower end surface of the arc-shaped slider (25) is fixedly connected to a long guide rod (24), and the lower end of the long guide rod (24) is fixedly connected to the second guide plate (21); The upper surface of the base (1) is fixedly connected to a vertical seat (9), the lower surface of the top plate (3) is also fixedly connected to a vertical rod (8) slidably connected to the vertical seat (9), a first sliding pin (10) is fixedly connected to one side end surface of the vertical rod (8), the upper end of the base (1) is rotatably connected to a first spur gear (15), a rotating seat (16) is coaxially fixedly connected to the upper end of the first spur gear (15), the upper surface of the base (1) is also slidably connected to a first spur rack (14) meshing with the first spur gear (15), the rear end surface of the first spur rack (14) is fixedly connected to a first guide plate (11), and the first guide plate (11) is provided with a first vertical groove (12) and a first inclined groove (13) matching with the first sliding pin (10).

2. An automated welding device for production and maintenance of industrial instruments as claimed in claim 1, Features: A positioning seat (45) is fixedly connected to the upper end surface of the cylindrical cam (42), a conical positioning pin (46) is fixedly connected to the upper end surface of the positioning seat (45), a disc cam (47) fixedly connected to the transmission shaft (40) is provided on the inner wall of the positioning seat (45), telescopic rods are slidably connected to the inner walls of the front and rear ends of the positioning seat (45), arc-shaped expansion rods (51) are fixedly connected to the outer ends of the two telescopic rods, short sliding pins (50) are fixedly connected to the inner ends of the two telescopic rods, and arc grooves (48) and variable diameter grooves (49) matching the short sliding pins (50) are respectively opened on the front and rear sides of the upper end surface of the disc cam (47).

3. An automated welding device for production and maintenance of industrial instruments as claimed in claim 2, Features: The telescopic rods respectively comprise an inner rod (52) and an outer tube (53); the inner rods (52) are respectively slidably connected to the inner walls of the corresponding outer tubes (53); and the inner walls of the bottom ends of the outer tubes (53) are respectively fixedly connected with first springs (54) matching the inner rods (52).

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