Full-automatic positioning multi-station gun bed welding machine

Abstract

The full-automatic positioning multi-station gun bed welding machine comprises a welding rack, a workpiece clamping and rotating mechanism is arranged at one end of the welding rack, and a welding mechanism is arranged at the other end of the welding rack. According to the utility model, the structures of the workpiece clamping and rotating mechanism and the welding mechanism are respectively designed, so that the automatic welding machine is suitable for welding workpieces and welding parts with different specifications, and has the advantages of high welding precision, high welding efficiency and good welding effect; the problems that a traditional welding gun machine is held by a hand to weld a workpiece and a welding piece, so that the welding efficiency is low, the welding effect is poor, the labor intensity of workers is large, and the labor service cost of enterprises is high are effectively solved. And the problems of low welding efficiency, high welding cost and poor universality caused by the fact that some welding workbenches in the market can only fix one workpiece and one welding piece each time, and welding guns of the welding workbenches are fixedly mounted and cannot meet the welding requirements of workpieces and welding pieces of different specifications are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding machine field especially relates to a full -automatic positioning multistation gun bed welding machine. BACKGROUND

[0002] The traditional welding of workpiece and welding piece is carried out manually, and the workpiece and welding piece are positioned by hand, then the worker holds the welding gun machine to weld the workpiece and welding piece, and the manual welding operation method has the disadvantages of low work efficiency, poor welding effect, high labor intensity of workers and high labor cost of enterprises. Later, some welding workbenches appeared on the market, first, the workpiece is placed on the welding fixture by hand, the workpiece is fixed by the clamp, then the welding piece is placed on the workpiece for positioning and fixed by the clamp, and finally automatic welding is completed by the welding equipment. Since it can only fix one workpiece and the corresponding welding piece at a time, it still has the problem of low welding efficiency, and the welding gun installation of such welding equipment is single, which cannot meet the welding needs of workpieces and welding pieces of different specifications, resulting in poor universality and high welding cost. SUMMARY

[0003] The utility model aims at overcoming the prior art's insufficient, provide a kind of full -automatic positioning multistation gun bed welding machine.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the full -automatic positioning multistation gun bed welding machine includes welding frame, workpiece clamping rotating mechanism is equipped on the one end of welding frame, and welding mechanism is equipped on the other end of welding frame.

[0005] As preferred, the workpiece clamping rotating mechanism includes a rotating table, a divider is provided below the middle part of the rotating table, the divider is installed on the welding frame, the divider is connected with a first servo motor, workpiece clamping parts are respectively provided on the two end parts of the rotating table, the first servo motor is connected and installed with the rotating table through the divider, and the rotating table is driven to rotate by the first servo motor through the divider to switch the workpiece clamping parts.

[0006] As preferred, the workpiece clamping part includes a support rod installed on one end part of the rotating table, a limit adjusting seat for limiting the end part of the workpiece is provided on one end of the support rod, a limit bolt assembly for adjusting the reference positioning of the workpiece is provided horizontally through the limit adjusting seat, a side push cylinder is provided on the other end of the support rod, the side push cylinder is fixedly installed with the support rod through a cylinder mounting plate, a push plate is provided on the output end of the side push cylinder, and more than one workpiece clamping assembly is provided on the same end part of the rotating table.

[0007] By adopting the above technical scheme, the workpiece is fixed and limited by the limit bolt assembly as reference when the side push cylinder pushes the workpiece tightly.

[0008] Specifically, one or more of the workpiece clamping assemblies are arranged in the same and linear layout, but not limited thereto.

[0009] By adopting the above technical scheme, one or more of the workpiece clamping assemblies can clamp one or more welding pieces at the same time, so that the welding mechanism can weld one or more welding pieces to the workpiece at the same time, thereby greatly improving the welding efficiency while ensuring good welding effect of the multiple welding pieces and the workpiece.

[0010] As a preferred, the workpiece clamping assembly comprises a clamping seat mounted on the end of the rotating table, the bottom surface of the end of the rotating table is provided with a clamping cylinder, the output end of the clamping cylinder is provided with a clamping plate, and the upper end of the clamping seat and the clamping plate are oppositely arranged.

[0011] Through the above technical scheme, the welding piece is arranged on the side of the upper end of the clamping seat opposite to the clamping plate, the clamping cylinder drives the clamping plate to move towards the clamping seat to press the welding piece on the clamping seat, which realizes automatic positioning of the welding piece and improves the positioning efficiency and positioning accuracy of the welding piece, thereby ensuring good welding quality.

[0012] As a preferred, the welding mechanism comprises linear sliding modules respectively arranged on the left and right two sides of the welding rack, a welding positioning frame is arranged across the two linear sliding modules, a shaft coupling mounting seat is arranged on the rear end of the welding rack, a shaft coupling is arranged on the shaft coupling mounting seat, a screw rod bearing assembly is arranged on one side of the shaft coupling, a speed reducer is arranged on the other side of the shaft coupling, the speed reducer is connected and mounted with the screw rod bearing assembly through the shaft coupling, and the speed reducer is connected with a second servo motor; one side surface of the welding positioning frame is connected and mounted with the screw rod bearing assembly, and the other side surface of the welding positioning frame is provided with a pneumatic welding unit.

[0013] The second servo motor drives the welding positioning frame to move forward and backward on the two linear sliding modules through the speed reducer, the shaft coupling and the screw rod bearing assembly, so as to drive the pneumatic welding unit to move to or position to the welding position.

[0014] As a preferred, the pneumatic welding unit comprises a third cylinder mounted on the front side surface of the welding positioning frame, the output end of the third cylinder is provided with a horizontal plate, the bottom surfaces of the two end portions of the horizontal plate are respectively provided with a positioning rod clamping block, the two positioning rod clamping blocks are jointly connected with a positioning rod, the positioning rod is provided with two positioning adjusting clamping blocks, the side surface of each positioning adjusting clamping block is provided with a two-dimensional fine adjustment sliding table, each two-dimensional fine adjustment sliding table is provided with a welding gun clamp, and each welding gun clamp is mounted with a welding gun. The two-dimensional fine adjustment sliding table can realize forward and backward positioning and upward and downward positioning of the welding gun; the pneumatic welding unit is provided with one or more two-dimensional fine adjustment sliding tables. The structure and working principle of the two-dimensional fine adjustment sliding table are well known, which will not be explained in detail here. The two-dimensional fine adjustment sliding table can adopt an XY shaft integrated two-dimensional fine adjustment platform with a model of XY160.

[0015] By the technical scheme, the interval between the two positioning and adjusting clamping blocks is adjusted to adjust the interval between the two welding guns, so that the welding machine is suitable for welding workpieces of different specifications, the positioning and adjusting clamping blocks can rotate upward or downward around the positioning rods, the inclination of the positioning and adjusting clamping blocks is adjusted to adjust the welding angle of the corresponding welding gun, the two-dimensional fine adjustment slide table is adjusted to position the welding gun in two-dimensional space, the two positioning and adjusting clamping blocks and the two-dimensional fine adjustment slide table are matched to finally realize three-dimensional space positioning of the welding gun, and the second servo motor drives the welding gun to move forward and backward to realize welding of the workpiece and the welding piece, so that the welding machine has the advantages of high welding efficiency, high welding positioning precision and good welding effect.

[0016] As preferred, a welding machine rack is arranged adjacent to the welding machine rack, and a welding machine for providing power required for welding of the pneumatic welding unit is arranged on the welding machine rack.

[0017] As preferred, a control panel is arranged above the workpiece clamping and rotating mechanism.

[0018] As preferred, the control panel is internally provided with a controller or control system for signal control of the workpiece clamping and rotating mechanism, the welding mechanism and other components, the controller is a PLC programmable logic controller, and the PLC programmable logic controller can be a programmable logic controller of model XDS-40T-D, but is not limited thereto. An operator can set or input various parameters for controlling operation of each mechanism or component through the control panel.

[0019] It should be noted that the welding machine rack, the limiting and adjusting seat, the cylinder mounting plate, the welding positioning rack and the shaft coupling mounting seat are functional descriptions of the rack, the limiting seat or the adjusting seat, the mounting plate, the positioning rack and the mounting seat respectively. The side pushing cylinder and the clamping cylinder are functional descriptions of the cylinder. The positioning rod clamping block and the positioning and adjusting clamping block are functional descriptions of the clamping block. The limiting bolt assembly comprises a nut and a bolt screw-connected with the nut. The linear sliding module comprises a sliding rail and a sliding block sliding on the sliding rail. The screw bearing assembly comprises a bearing seat and a ball screw penetrating through the bearing seat.

[0020] Compared with the prior art, the welding machine has the following advantages:

[0021] 1. The workpiece clamping and rotating mechanism can switch two workpiece clamping parts, so that the workpiece clamping and rotating mechanism can realize welding of the workpiece on one workpiece clamping part while unloading and loading the workpiece welded by the other workpiece clamping part, and the workpiece loading and fixing and welding can be simultaneously performed, so that the welding processing efficiency is greatly improved.

[0022] 2、Its through the limit bolt assembly in each workpiece clamping part is through the limit adjustment seat, limit bolt assembly and side push cylinder cooperate with each other to limit and fix the workpiece, it can adjust the datum point of the workpiece by adjusting the limit bolt assembly, and cooperate with the side push cylinder to drive the push plate to limit the workpiece, so as to satisfy the fixation of workpieces of different sizes, realize automatic positioning of workpieces, improve the positioning efficiency of workpieces, and improve the efficiency of workpiece welding.

[0023] 3、Its through the structure design of the workpiece clamping assembly of the workpiece clamping and rotating mechanism, when the welding piece is placed on the end of the clamping seat opposite to the clamping plate, the clamping cylinder drives the clamping plate to move towards the clamping seat, so that the welding piece can be pressed tightly on the clamping seat, which realizes automatic positioning of the welding piece and improves the positioning efficiency and accuracy of the welding piece, thereby ensuring the welding quality.

[0024] 4、Its through the structure design of the welding mechanism, the interval between the two positioning adjusting clamping blocks of the pneumatic welding unit can be adjusted to adjust the interval between the two welding guns, so as to adapt to the welding of welding pieces and workpieces of different specifications; the inclination of the positioning adjusting clamping block can be adjusted to adjust and position the welding angle of the welding gun, and the two-dimensional fine adjustment slide table can be adjusted to position the welding gun in two-dimensional space, and finally the welding gun can be positioned in three-dimensional space through the cooperation of the two positioning adjusting clamping blocks and the two-dimensional fine adjustment slide table. When the welding gun moves forward and backward under the drive of the second servo motor, the workpiece and the welding piece are welded, which has the advantages of high welding efficiency, high welding precision, good welding effect and strong universality. It not only solves the problems of low welding efficiency, poor welding effect, high labor intensity of workers and high labor cost of enterprises caused by traditional manual welding of workpieces and welding pieces, but also solves the problems of low welding efficiency, high welding cost and poor universality caused by the fact that some welding workbenches on the market can only fix one workpiece and welding piece at a time and the welding gun is fixed and installed and cannot meet the welding of workpieces and welding pieces of different specifications. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to facilitate the description, the utility model is described in detail by the following preferred embodiments and drawings.

[0026] Fig. 1 It is a perspective view of the full-automatic positioning multi-station gun bed welding machine of the utility model.

[0027] Fig. 2 It is a perspective view of the workpiece clamping and rotating mechanism of the full-automatic positioning multi-station gun bed welding machine of the utility model.

[0028] Fig. 3 It is a perspective view of the welding mechanism of the full-automatic positioning multi-station gun bed welding machine of the utility model.

[0029] Fig. 4 Figure 1 is a perspective view of a pneumatic welding unit of a full-automatic positioning multi-station gun bed welding machine according to the present application. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present application can be more thoroughly and completely understood.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application.

[0032] In the present embodiment, referring to Figs. 1 to 4 The full-automatic positioning multi-station gun bed welding machine according to the present application includes a welding frame 1, a workpiece clamping and rotating mechanism 2 provided on one end of the welding frame 1, and a welding mechanism 3 provided on the other end of the welding frame 1.

[0033] In one embodiment, the workpiece clamping and rotating mechanism 2 includes a rotating table 21, a segmenter provided below the middle portion of the rotating table 21, the segmenter being mounted on the welding frame 1, a first servo motor 22 connected to the segmenter, workpiece clamping portions 4 provided on both ends of the rotating table 21, and the first servo motor 22 being mounted on the rotating table 21 through the segmenter, the first servo motor 22 driving the rotating table 21 to rotate through the segmenter to switch the workpiece clamping portions 4.

[0034] In one embodiment, the workpiece clamping portion 4 includes a support rod 41 mounted on one end of the rotating table 21, a limiting and adjusting seat 42 provided on one end of the support rod 41 to limit the end of the workpiece 11, a limiting bolt assembly 43 provided horizontally through the limiting and adjusting seat 42 to adjust the reference positioning of the workpiece 11, a side pushing cylinder 44 provided on the other end of the support rod 41, the side pushing cylinder 44 being fixedly mounted on the support rod 41 through a cylinder mounting plate 45, a pushing plate 46 provided on the output end of the side pushing cylinder 44, and more than one workpiece clamping assembly 5 provided on the same end of the rotating table 21.

[0035] In one embodiment, the more than one workpiece clamping assemblies 5 are arranged in the same direction and in a straight line.

[0036] In one embodiment, the workpiece clamping assembly 5 includes a clamping seat 50 mounted on the end of the rotary table 21, the bottom surface of the end of the rotary table 21 is provided with a clamping cylinder 51, and the output end of the clamping cylinder 51 is provided with a clamping plate 52. The upper ends of the clamping seat 50 and the clamping plate 52 are oppositely arranged.

[0037] In one embodiment, the welding mechanism 3 includes a linear sliding module 31 arranged on the left and right sides of the welding rack 1, respectively, a welding positioning rack 32 is arranged across the two linear sliding modules 31, a shaft coupling mounting seat 33 is arranged on the rear end of the welding rack 1, a shaft coupling 34 is arranged on the shaft coupling mounting seat 33, a screw rod bearing assembly 35 is arranged on one side of the shaft coupling 34, a speed reducer 36 is arranged on the other side of the shaft coupling 34, the speed reducer 36 is connected and mounted with the screw rod bearing assembly 35 through the shaft coupling 34, and the speed reducer 36 is connected with a second servo motor 37. One side surface of the welding positioning rack 32 is connected and mounted with the screw rod bearing assembly 35, and the other side surface of the welding positioning rack 32 is provided with the pneumatic welding unit 6.

[0038] In one embodiment, the pneumatic welding unit 6 includes a third cylinder 61 mounted on the front side of the welding positioning rack 32, the output end of the third cylinder 61 is provided with a horizontal plate 62, the bottom surfaces of the two end portions of the horizontal plate 62 are respectively provided with positioning rod clamping blocks 63, the two positioning rod clamping blocks 63 are jointly connected with a positioning rod 64, the positioning rod 64 is provided with two positioning adjustment clamping blocks 65, the side surface of each positioning adjustment clamping block 65 is provided with a two-dimensional fine adjustment sliding table 66, each two-dimensional fine adjustment sliding table 66 is provided with a welding gun clamp 67, and each welding gun clamp 67 is mounted with a welding gun 68. The pneumatic welding unit 6 is provided with more than one.

[0039] In one embodiment, a welding rack 7 is arranged adjacent to the welding rack 1, and a welding machine 8 for providing the pneumatic welding unit 6 with electric energy or power required for welding is arranged on the welding rack 7. The welding machine 8 is provided with more than one.

[0040] In one embodiment, a control panel 9 is arranged above the workpiece clamping and rotating mechanism 2.

[0041] In one embodiment, side panels 10 are arranged on the left and right sides of the welding mechanism 3, respectively, and the side panels 10 are mounted on the left and right ends of the welding rack 1, respectively.

[0042] In one embodiment, the working principle of the full-automatic positioning multi-station gun bed welding machine is as follows: first, the workpiece 11 is placed between the limiting adjustment seat 42 and the push plate 46 of the workpiece clamping part 4 of the workpiece clamping and rotating mechanism 2, and the workpiece 11 is fixed and limited by the side push cylinder 44 driving the push plate 46 to push the workpiece 11 towards the limiting bolt assembly 43, which ensures the high welding precision of the workpiece 11 in the later stage. Then, the welding piece 12 is placed on the side opposite to the clamping plate 52 on the upper end of the clamping seat 50 of the workpiece clamping and rotating mechanism 2, and the clamping cylinder 51 drives the clamping plate 52 to move towards the clamping seat 50 to press the welding piece 12 on the clamping seat 50, which realizes automatic positioning of the welding piece 12, improves the positioning efficiency and welding precision of the welding piece 12, and further ensures the welding quality. By arranging the workpiece clamping part 4 on both ends of the rotating table 21, when one of the workpiece clamping parts 4 is unloading the completed workpiece 11 and loading the workpiece 11 to be processed, the welding mechanism 3 can simultaneously weld the workpiece 11 and the welding piece 12 on the other workpiece clamping part 4; when the first servo motor 22 of the workpiece clamping and rotating mechanism 2 drives the rotating table 21 to rotate through the divider, the positions of the two workpiece clamping parts 4 can be switched, so that the two workpiece clamping parts 4 can work alternately and continuously, thereby greatly improving the work efficiency and productivity.

[0043] The second servo motor 37 of the welding mechanism 3 drives the welding positioning frame 32 to move forward and backward on the two linear sliding modules 31 through the speed reducer 36, the shaft coupling 34 and the screw bearing assembly 35 to position the pneumatic welding unit 6. By designing the structure of the pneumatic welding unit 6, the distance between the two welding guns 68 can be adjusted by adjusting the distance between the two positioning and adjusting clamping blocks 65, so as to be suitable for welding welding pieces 12 and workpieces 11 of different specifications; the angle of the welding gun 68 can be adjusted or positioned by adjusting the inclination of the positioning and adjusting clamping block 65; the welding gun 68 can be positioned in two-dimensional space by adjusting the two-dimensional fine adjustment sliding table 66; the welding gun 68 can be positioned in three-dimensional space by cooperating the two positioning and adjusting clamping blocks 65 with the two-dimensional fine adjustment sliding table 66; the welding gun 68 can move forward and backward with the welding positioning frame 32 and under the drive of the second servo motor 37 to weld the workpiece 11 and the welding piece 12. At the same time, the pneumatic welding unit 6 is arranged in a linear layout, so that multiple welding pieces 12 and workpieces 11 can be welded simultaneously, which ensures the consistency of the welding effect and greatly improves the welding efficiency.

[0044] The overall structural design is achieved by the workpiece clamping rotating mechanism 2 to automatically switch two workpiece clamping parts 4, so that the two workpiece clamping parts 4 can work continuously. At the same time, it can automatically fix and limit the workpiece 11 and automatically position multiple welding pieces 12 through the workpiece clamping rotating mechanism 2. It can automatically drive multiple pneumatic welding units 6 to move forward and backward synchronously to position the multiple pneumatic welding units 6 and realize synchronous welding of multiple welding pieces 12 and the workpiece 11 through the welding mechanism 3. In addition, by designing the structure of the pneumatic welding unit 6, it can adjust different welding angles and adjust different welding spacings of the two welding guns 68 of the same pneumatic welding unit 6 to meet the welding of welding pieces 12 and workpieces 11 of different specifications, so as to realize the purpose of strong universality. It has the advantages of high welding precision, good welding effect and high welding efficiency. It not only effectively solves the problems of low welding efficiency, poor welding effect, high labor intensity of workers and high labor cost of enterprises caused by the traditional manual welding of workpieces 11 and welding pieces 12, but also solves the problems of some welding workbenches on the market that can only fix one workpiece and welding piece 12 at a time and the welding gun 68 is fixedly installed (i.e. the welding gun 68 does not have the function of three-dimensional space positioning and angle adjustment) which cannot meet the welding of welding pieces 12 and workpieces of different specifications, resulting in low welding efficiency, high welding cost and poor universality.

[0045] The above embodiments are only one example of the present application and are not intended to limit the implementation and scope of the present application. Any technical solution that is the same as or equivalent to the content described in the claims of the present application should be included in the protection scope of the present application.

Claims

1. A fully automatic positioning multi-station gun bed welding machine comprising a welding machine frame, characterized in that: One end of the welding frame is provided with a workpiece clamping and rotating mechanism, and the other end of the welding frame is provided with a welding mechanism. The workpiece clamping and rotating mechanism comprises a rotating table, a divider is arranged at the lower middle part of the rotating table, the divider is arranged on the welding frame, the divider is connected with a first servo motor, workpiece clamping parts are arranged at the two ends of the rotating table respectively, the first servo motor is connected and arranged with the rotating table through the divider, and the first servo motor drives the rotating table to rotate through the divider to switch the workpiece clamping parts. The welding mechanism comprises linear sliding modules arranged on the left and right sides of the welding frame respectively, a welding positioning frame is arranged across the two linear sliding modules, a shaft coupling mounting seat is arranged on the rear end of the welding frame, a shaft coupling is arranged on the shaft coupling mounting seat, a screw rod bearing assembly is arranged on one side of the shaft coupling, a speed reducer is arranged on the other side of the shaft coupling, the speed reducer is connected and arranged with the screw rod bearing assembly through the shaft coupling, and the speed reducer is connected with a second servo motor; one side surface of the welding positioning frame is connected and arranged with the screw rod bearing assembly, and the other side surface of the welding positioning frame is provided with a pneumatic welding unit. The pneumatic welding unit comprises a third cylinder arranged on the front side surface of the welding positioning frame, the output end of the third cylinder is provided with a horizontal plate, the bottom surfaces of the two ends of the horizontal plate are respectively provided with positioning rod clamping blocks, the positioning rod clamping blocks are jointly connected with a positioning rod, the positioning rod is provided with two positioning and adjusting clamping blocks, the side surfaces of the positioning and adjusting clamping blocks are respectively provided with two-dimensional fine adjustment sliding tables, each two-dimensional fine adjustment sliding table is provided with a welding gun clamp, and each welding gun clamp is arranged with a welding gun.

2. The fully automatic positioning multi-station gun bed welder of claim 1, wherein: The workpiece clamping part comprises a support rod arranged on one end of the rotating table, a limiting and adjusting seat for limiting the end of the workpiece is arranged on one end of the support rod, a limiting bolt assembly for adjusting the reference positioning of the workpiece is arranged through the limiting and adjusting seat horizontally, a side pushing cylinder is arranged on the other end of the support rod, the side pushing cylinder is fixedly arranged with the support rod through a cylinder mounting plate, and the output end of the side pushing cylinder is provided with a pushing plate.

3. The fully automatic positioning multi-station gun bed welder of claim 2, wherein: The workpiece clamping assembly comprises a clamping seat arranged on the end of the rotating table, a clamping cylinder is arranged on the bottom surface of the end of the rotating table, a clamping plate is arranged on the output end of the clamping cylinder, and the upper ends of the clamping seat and the clamping plate are arranged oppositely.

4. The fully automatic positioning multi-station gun bed welder of claim 1, wherein: A welding frame is arranged adjacent to the welding frame, a welding machine is arranged on the welding frame, and the welding machine is provided with one or more than one.

5. The fully automated positioning multi-station gun bed welder of claim 1, wherein: A control panel is arranged above the workpiece clamping and rotating mechanism.

6. The fully automatic positioning multi-station gun bed welder of claim 2, wherein: The workpiece clamping assemblies are arranged in the same direction and in a straight line.

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