CN216576179U

CN216576179U - Robot welding device with automatic preheating function

Info

Publication number: CN216576179U
Application number: CN202122375354.2U
Authority: CN
Inventors: 孙良平; 吕鑫钰
Original assignee: Ningbo Hongju Intelligent Equipment Co ltd
Current assignee: Ningbo Hongju Intelligent Equipment Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-05-24
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a robot welding device with automatic preheating function, which comprises a rack, a control console and a welding assembly, a product placing table is arranged on the machine frame, a left rotating clamping mechanism is arranged on the left side of the machine frame, a cylinder mounting table is arranged on the right side of the machine frame, a first guide rail is arranged on each of the front side and the rear side of the cylinder mounting table, a position changer bracket is connected on the two first guide rails in a sliding way and is sleeved on the cylinder mounting table in a sliding way, a hydraulic cylinder is arranged on the side edge of the cylinder mounting table, a position changer is arranged on the position changer bracket, an automatic preheating device for heating the product is also arranged on the machine frame and comprises a preheating bracket, the preheating support is provided with a flame spray gun, a pressing piece for pressing a product and a temperature sensor for detecting the temperature of the product, and the flame spray gun and the temperature sensor are electrically connected with the console; this structure realizes carrying out self-heating before the product welder, finally guarantees the welding effect.

Description

Robot welding device with automatic preheating function

Technical Field

The utility model relates to the technical field of welding, in particular to a robot welding device with automatic preheating function.

Background

In the welding process, when the circumferential weld of the carbon steel piece with the thickness of more than 10 millimeters is welded, the welding temperature is easy to be caused to be not up to the preset requirement, and the problems are solved: the following two are generally employed: 1. multiple welding is needed, and a small amount of cold solder joint exists in the multiple welding; 2. the product is heated to a proper temperature, and then the carbon steel piece is conveyed to a welding position, but the temperature is easily reduced in the conveying process, so that the welding quality is affected, and in conclusion, the existing welding device cannot effectively weld the carbon steel piece with the thickness of more than 10 millimeters, so that the welding quality is finally improved, and improvement is needed.

Disclosure of Invention

The utility model aims to provide a robot welding device with automatic preheating to solve the problem that the temperature cannot be controlled in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a robot welding device with automatic preheating function comprises a rack, a control console and a welding assembly arranged on the rack, wherein the control console is electrically connected with the welding assembly, a product placing table is arranged on the rack, a left rotating clamping mechanism for positioning the left side of a product is arranged on the left side of the rack, the left rotating clamping mechanism comprises a pressing device, a rotating disc is rotatably connected with the output of the pressing device, a first clamp is arranged on the rotating disc, a cylinder mounting table extending along the length direction of the rack is arranged on the right side of the rack, the cylinder mounting table is arranged on the right side of the product placing table, a first guide rail is arranged on each of the front side and the rear side of the cylinder mounting table, a position changer support is slidably connected onto the two first guide rails, the position changer support is sleeved on the cylinder mounting table in a sliding mode, a hydraulic cylinder for driving the position changer support to move back and forth on the cylinder mounting table is arranged on the side of the cylinder mounting table, the automatic preheating device comprises a preheating support, a flame spray gun, a pressing piece and a temperature sensor, wherein the flame spray gun, the pressing piece and the temperature sensor are arranged on the preheating support, the pressing piece is used for pressing the product, and the temperature sensor is used for detecting the temperature of the product, and the flame spray gun and the temperature sensor are electrically connected with a control console.

Preferably, for convenience of operation, the product placing table comprises two first positioning frames arranged at intervals, more than one placing platform arranged at intervals is arranged between the two first positioning frames, and each placing platform is provided with a V-shaped frame with an upward opening.

Preferably, in order to adjust the distance between the left rotary clamping mechanism and the position changer on the left side and the right side to a wider direction and fix the left rotary clamping mechanism and the position changer by using products with different lengths, a limiting table fixed on the frame is arranged between two first positioning frames, the limiting table extends along the length direction of the frame, the height of the limiting table is lower than that of the first positioning frames, a third guide rail is arranged on each of the front side and the rear side of the limiting table, an adjusting frame is connected between the two third guide rails in a sliding manner, a first sliding block capable of sliding on the third guide rail is arranged in the adjusting frame, the cylinder mounting table is fixed on the adjusting frame, a pressing adjusting mechanism for limiting the adjusting frame is arranged on one side of the adjusting frame, the pressing adjusting mechanism comprises a pressing seat fixed on the adjusting frame, a wrench is hinged on the pressing seat through a first rotating shaft, and a swing rod is hinged on the wrench through a second rotating shaft, the other end of the swing rod penetrates through one side edge of the adjusting frame and is hinged with a pull rod, and the other end of the pull rod is provided with a clamping block matched with the limiting table.

As preferred, for the convenience of welding, the welding subassembly include the second guide rail that two intervals set up, sliding connection at the welded fastening board between two second guide rails, set up the welding robot on welded fastening board, the second guide rail is followed frame length direction and is followed and stretched, is provided with first motor on welded fastening board, the output of first motor is connected with the guide block after running through welded fastening board, be provided with at one of them second guide rail side with guide block complex direction spout.

Preferably, in order to clamp a product in the Z direction, a Z-direction pressing mechanism for pressing Z in the Z direction on the product is further arranged on the rack, the Z-direction pressing mechanism comprises a first mounting bracket fixed on a first positioning bracket, a second positioning bracket is arranged on the first mounting bracket, an arc-shaped through groove is formed in the second positioning bracket, a Z-direction bracket is arranged on the side edge of the arc-shaped through groove, the arc-shaped through groove is in threaded connection with the Z-direction bracket on the side edge through a screw, a Z-direction cylinder is arranged on the Z-direction bracket, and a first pressing block is connected to the output of the Z-direction cylinder.

Preferably, in order to laterally clamp the product, a lateral pressing mechanism for laterally pressing the product is further arranged on the rack, the lateral pressing mechanism comprises a second mounting bracket fixed on the first positioning bracket, two second sliding grooves are formed in the second mounting bracket, a first bracket is connected to the second sliding grooves in a sliding manner, a second air cylinder is arranged on the first bracket, and the output of the second air cylinder is connected with a second pressing block.

Compared with the prior art, the utility model has the following beneficial effects: this structure setting realizes carrying out self-heating to the product surface before the welding, guarantees that the product temperature obtains the preset requirement, finally guarantees the welding effect.

Drawings

Fig. 1 is a schematic structural diagram of a robot welding device with automatic preheating disclosed in this embodiment when no console is installed;

fig. 2 is a first schematic structural diagram of a robot welding device with automatic preheating disclosed in this embodiment;

FIG. 3 is a schematic structural diagram of a welding robot with automatic preheating in the embodiment when no welding robot is installed;

FIG. 4 is a schematic structural diagram of a robot welding device with automatic preheating according to the present embodiment without a welding assembly;

FIG. 5 is a schematic view of the adjustment bracket of FIG. 4 shown disassembled from the other components;

FIG. 6 is an enlarged view of FIG. 5 at A;

FIG. 7 is a schematic structural diagram of an automatic preheating device disclosed in this embodiment;

fig. 8 is a schematic structural diagram of the lateral pressing mechanism disclosed in this embodiment;

fig. 9 is a schematic structural view of the Z-direction pressing mechanism disclosed in the present embodiment;

FIG. 10 is a schematic view of the welding assembly disclosed in the present embodiment when the welding robot is not installed;

fig. 11 is a schematic structural view of the weld fixture plate and one side of the rail bracket of fig. 10, which are separated from other components.

In the figure: the welding machine comprises a rack 1, a control console 2, a welding assembly 3, a product placing platform 4, a left-rotation clamping mechanism 5, a pressing device 6, a rotating disk 7, a first clamp 8, a cylinder mounting platform 9, a first guide rail 10, a positioner support 11, a hydraulic cylinder 12, a positioner 13, an automatic preheating device 14, a preheating support 15, a flame spray gun 16, a pressing piece 17, a temperature sensor 18, a first positioning frame 19, a placing platform 20, a V-shaped frame 21, a limiting frame 22, a third guide rail 23, an adjusting frame 24, a first sliding block 25, a pressing adjusting mechanism 26, a pressing seat 27, a first rotating shaft 28, a wrench 29, a second rotating shaft 30, a swinging rod 31, a pull rod 32, a second guide rail 33, a welding fixing plate 34, a welding platform 34-1, a welding robot 35, a first motor 36, a guide block 37, a guide chute 38, a Z-direction pressing mechanism 39, a first mounting support 40, a second positioning frame 41, an arc-shaped through groove 42, a rotating plate 19, a welding robot, a welding, The device comprises a Z-direction bracket 43, a Z-direction cylinder 44, a first pressing block 45, a side pressing mechanism 46, a second mounting bracket 47, a second sliding groove 48, a first bracket 49, a second cylinder 51, a second pressing block 52, a screw 53, a guide rail bracket 54 and a clamping block 55.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-11, an embodiment of the present invention is shown: a robot welding device with automatic preheating comprises a rack 1, a control console 2 and a welding assembly 3 arranged on the rack 1, wherein the control console 2 is electrically connected with the welding assembly 3, a product placing table 4 is arranged on the rack 1, a left rotating clamping mechanism 5 for positioning the left side of a product is arranged on the left side of the rack 1, the left rotating clamping mechanism 5 comprises a pressing device 6, a rotating disc 7 is rotatably connected with the output of the pressing device 6, a first clamp 8 is arranged on the rotating disc 7, a cylinder mounting table 9 extending along the length direction of the rack 1 is arranged on the right side of the rack 1, the cylinder mounting table 9 is positioned on the right side of the product placing table 4, a first guide rail 10 is arranged on each of the front side and the rear side of the cylinder mounting table 9, a position changer support 11 is slidably connected on the two first guide rails 10, and the position changer support 11 is slidably sleeved on the cylinder mounting table 9, the side of the cylinder mounting table 9 is provided with a hydraulic cylinder 12 for driving a shifter support 11 to move back and forth on the cylinder mounting table 9, the shifter support 11 is provided with a shifter 13 which is symmetrical to the left rotary clamping mechanism 5, the frame 1 is also provided with an automatic preheating device 14 for heating the product, the automatic preheating device 14 comprises a preheating support 15, the preheating support 15 is provided with a flame spray gun 16, a pressing piece 17 for pressing the product and a temperature sensor 18 for detecting the temperature of the product, and the flame spray gun 16 and the temperature sensor 18 are electrically connected with the control table 2.

When the welding machine works, a cylindrical carbon steel piece is firstly placed on a product placing table 4, the left side of the product is clamped by a left-side rotary clamping mechanism 5, then a hydraulic cylinder 12 is driven to work to press the right side of the product tightly, a position changer 13 is driven to rotate to drive the carbon steel piece to rotate, so that a circumferential weld seam needing to be welded of the carbon steel piece is welded, before welding, the temperature requirement is set through a control table 2, the temperature setting range is 0-500 ℃, then an automatic preheating device 14 is driven to work, the position of a pressing piece 17 is manually adjusted, the pressing piece 17 is fixed on a preheating support 15 through screws, so that the pressing piece can be manually adjusted, then a high-pressure spray machine is connected to the bottom of a flame spray gun 16, high-pressure flame is sprayed through the flame spray gun 16, the surface of the product is automatically heated, and the product can be immediately and automatically heated to the preset temperature due to the extremely high temperature of the high-pressure flame, and through contacting temperature sensor 18 with the product surface, real-time detection product surface temperature, when the temperature reaches preset requirement, control by control cabinet 2 immediately, stop flame spray gun 16 work, then drive welding subassembly 3 work, immediately weld the robot and carry out circumferential weld welding operation to the position that the product needs the welded, consequently realize carrying out self-heating to the product surface before the welding through this structural setting, guarantee that the product temperature obtains preset requirement, finally guarantee the welding effect.

Preferably, for convenience of operation, the product placing table 4 includes two first positioning racks 19 arranged at intervals, more than one placing platform 20 arranged at intervals is arranged between the two first positioning racks 19, and each placing platform 20 is provided with a V-shaped rack 21 with an upward opening.

Preferably, in order to adjust the distance between the left rotary clamping mechanism 5 and the position changer 13 on the left and right sides to a wider direction and to fix the left rotary clamping mechanism 5 and the position changer 13 with products of different lengths, a limit table 22 fixed on the frame 1 is arranged between two first positioning frames 19, the limit table 22 extends along the length direction of the frame 1, the height of the limit table 22 is lower than that of the first positioning frames 19, a third guide rail 23 is arranged on each of the front and rear sides of the limit table 22, an adjusting frame 24 is connected between the two third guide rails 23 in a sliding manner, a first sliding block 25 capable of sliding on the third guide rail 23 is arranged in the adjusting frame 24, the cylinder mounting table 9 is fixed on the adjusting frame 24, a pressing adjusting mechanism 26 for limiting the adjusting frame 24 is arranged on one side of the adjusting frame 24, the pressing adjusting mechanism 26 comprises a pressing seat 27 fixed on the adjusting frame 24, and a wrench 29 is hinged on the pressing seat 27 through a first rotating shaft 28, the spanner 29 is articulated through second pivot 30 to have pendulum rod 31, the pendulum rod 31 other end runs through and has articulated pull rod 32 behind the adjusting bracket 24 side, the pull rod 32 other end be provided with spacing platform 22 complex fixture block 55, during operation, first-class break the spanner 29 off with the fingers and thumb, guarantee downwards that pendulum rod 31 drives pull rod 32 outwards, finally drive fixture block 55 and spacing platform 22 and be in not joint state, can drive adjusting bracket 24 at this moment and remove along third guide rail 23, adjust the interval between left and right sides left-handed rotation clamping mechanism 5 and the ware 13 that shifts.

Preferably, for the convenience of welding, the welding assembly 3 includes two second guide rails 33 arranged at an interval, a welding fixing plate 34 slidably connected between the two second guide rails 33, and a welding robot 35 arranged on the welding fixing plate 34, the second guide rails 33 extend along the length direction of the rack 1, a first motor 36 is arranged on the welding fixing plate 34, an output of the first motor 36 penetrates through the welding fixing plate 34 and is connected with a guide block 37, a guide sliding slot 38 matched with the guide block 37 is arranged on one side of the second guide rail 33, a welding table 34-1 is fixed on the welding fixing plate 34 through screws, the welding robot 35 is placed on the welding table 34-1, and in operation, since the console 2 is electrically connected with the first motor 36, the console 2 controls the first motor 36 to operate, and drives the guide block 37 below to operate and move along the guide sliding slot 38, and the second guide rails 33 on both sides are used for guiding movement, and finally the welding of the welding robot is controlled to be carried out along the length direction of the rack 1, so that the welding robot can carry out welding operation on products with different lengths, and in order to ensure that the welding robot is welded in place, the moving direction of the welding robot is consistent with the length direction of the products, in the embodiment, the two second guide rails 33 are fixed on the rack 1 through the guide rail brackets 54, and the bottom of the welding fixing plate 34 is correspondingly provided with a sliding block (not numbered in the figure) connected with the second guide rails 33.

Preferably, in order to clamp the product in the Z direction, a Z-direction pressing mechanism 39 for pressing the product in the Z direction is also arranged on the machine frame 1, the Z-clamp mechanism 39 includes a first mounting bracket 40 secured to the first bracket 19, a second positioning frame 41 is arranged on the first mounting bracket 40, an arc-shaped through groove 42 is arranged on the second positioning frame 41, a Z-direction bracket 43 is arranged at the side edge of the arc-shaped through groove 42, the arc-shaped through groove 42 is in threaded connection with the Z-direction bracket 43 at the side edge through a screw 53, a Z-direction cylinder 44 is arranged on the Z-direction bracket 43, the output of the Z-direction cylinder 44 is connected with a first pressing block 45, a screw 54 is firstly loosened according to the size of a product, the position of the lateral Z-brackets 43 in the arcuate channels 42 is then adjusted, where appropriate, by tightening the screws 54, then the Z-direction cylinder 44 is driven to work, and the first pressing block 45 is driven to press downwards to limit the product on the V-shaped frame 21.

Preferably, in order to laterally clamp the product, a lateral pressing mechanism 46 for laterally pressing the product is further arranged on the machine frame 1, the lateral pressing mechanism 46 includes a second mounting bracket 47 fixed on the first positioning bracket 19, two second sliding grooves 48 are arranged on the second mounting bracket 47, a first bracket 49 is slidably connected on the second sliding grooves 48, a second air cylinder 51 is arranged on the first bracket 49, a second pressing block 52 is connected to an output of the second air cylinder 51, the height of the first bracket 49 on the second mounting bracket 47 is manually adjusted, then the second air cylinder 51 is driven by the control console 2 to work to drive the second pressing block 52 to move back and forth, so that the lateral side of the product on the product placing platform 4 is pressed, and the product is pressed on the Z axis and the x axis by matching with the Z-direction pressing mechanism 39, thereby avoiding the product from shaking and affecting the effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a take automatic robot welding set who preheats, includes frame (1), control cabinet (2) and sets up welding subassembly (3) in frame (1), control cabinet (2) be connected with welding subassembly (3) electricity, be provided with the product in frame (1) and lay platform (4), its characterized in that: a left rotary clamping mechanism (5) for positioning the left side of a product is arranged on the left side of a rack (1), the left rotary clamping mechanism (5) comprises a pressing device (6), a rotary disc (7) is rotatably connected to the output of the pressing device (6), a first clamp (8) is arranged on the rotary disc (7), a cylinder mounting table (9) extending along the length direction of the rack (1) is arranged on the right side of the rack (1), the cylinder mounting table (9) is positioned on the right side of a product placing table (4), a first guide rail (10) is arranged on each of the front side and the rear side of the cylinder mounting table (9), a position changer support (11) is slidably connected to the two first guide rails (10), the position changer support (11) is slidably sleeved on the cylinder mounting table (9), a hydraulic cylinder (12) for driving the position changer support (11) to move back and forth on the cylinder mounting table (9) is arranged on the side of the cylinder mounting table (9), the automatic preheating device is characterized in that a shifter (13) which is symmetrically arranged with the left rotating clamping mechanism (5) is arranged on the shifter support (11), an automatic preheating device (14) which is used for heating products is further arranged on the rack (1), the automatic preheating device (14) comprises a preheating support (15), a flame spray gun (16), a pressing piece (17) which is used for pressing the products and a temperature sensor (18) which is used for detecting the temperature of the products are arranged on the preheating support (15), and the flame spray gun (16) and the temperature sensor (18) are electrically connected with the control console (2).

2. The robot welding device with automatic preheating of claim 1, characterized in that: the product placing table (4) comprises two first positioning frames (19) arranged at intervals, more than one placing platform (20) arranged at intervals are arranged between the two first positioning frames (19), and each placing platform (20) is provided with a V-shaped frame (21) with an upward opening.

3. The robot welding device with automatic preheating of claim 2, characterized in that: a limiting table (22) fixed on the rack (1) is arranged between the two first positioning frames (19), the limiting table (22) extends along the length direction of the rack (1), the height of the limiting table (22) is lower than that of the first positioning frames (19), a third guide rail (23) is arranged on each of the front side and the rear side of the limiting table (22), an adjusting frame (24) is connected between the two third guide rails (23) in a sliding manner, a first sliding block (25) capable of sliding on the third guide rail (23) is arranged in the adjusting frame (24), the cylinder mounting table (9) is fixed on the adjusting frame (24), a pressing adjusting mechanism (26) for limiting the adjusting frame (24) is arranged on one side of the adjusting frame (24), the pressing adjusting mechanism (26) comprises a pressing seat (27) fixed on the adjusting frame (24), and a wrench (29) is hinged on the pressing seat (27) through a first rotating shaft (28), the wrench (29) is hinged with a swing rod (31) through a second rotating shaft (30), the other end of the swing rod (31) penetrates through one side edge of the adjusting frame (24) and then is hinged with a pull rod (32), and a clamping block (55) matched with the limiting table (22) is arranged at the other end of the pull rod (32).

4. The robot welding device with automatic preheating of claim 2, characterized in that: welding subassembly (3) including second guide rail (33), the welded fastening board (34) of sliding connection between two second guide rails (33), the welding robot (35) of setting on welded fastening board (34) that two intervals set up, second guide rail (33) are provided with first motor (36) along frame (1) length direction along stretching on welded fastening board (34), the output of first motor (36) is connected with guide block (37) after running through welded fastening board (34), be provided with at one of them second guide rail (33) side with guide block (37) complex direction spout (38).

5. The robot welding device with automatic preheating of claim 4, characterized in that: still be provided with Z to hold down on Z to the product and to hold down on Z to hold down on frame (1) and to hold down mechanism (39), Z to hold down mechanism (39) including fixing first installing support (40) on first locating rack (19), be provided with second locating rack (41) on first installing support (40), be provided with the logical groove of arc (42) on second locating rack (41), it is provided with Z to support (43) to lead to groove (42) side at the arc, the logical groove of arc (42) is through screw (53) and the Z of side to support (43) threaded connection, Z is provided with Z to cylinder (44) on to support (43), Z has first briquetting (45) to the output connection of cylinder (44).

6. The robot welding device with automatic preheating of claim 5, characterized in that: still be provided with side hold-down mechanism (46) that carry out the side to the product and compress tightly in frame (1), side hold-down mechanism (46) including fixing second installing support (47) on first locating rack (19), be provided with two second spout (48) on second installing support (47), sliding connection has first support (49) on second spout (48), is provided with second cylinder (51) on first support (49), the output connection of second cylinder (51) has second briquetting (52).