Bearing chassis of extending arm welding robot

Abstract

The utility model discloses a bearing chassis of an extension arm welding robot, which relates to the technical field of welding robots, and comprises an extension arm connected to a mobile vehicle, the extension arm is connected with a supporting seat, the top of the supporting seat is connected with a bearing chassis, and the top of the bearing chassis is connected with a welding assembly. A cavity is formed in the bearing chassis, a driving device is arranged in the cavity, the output end of the driving device is connected with a driving gear, the outer ring face of the driving gear is connected with a driven gear, and a center rod is connected into the driven gear. According to the bearing chassis of the extending arm welding robot, the bearing chassis can be rapidly installed on the supporting base, the situation that a welding assembly is manually disassembled is avoided, meanwhile, after the threaded column is screwed down, the upper connecting disc on the top has the idling effect, the situation of excessive rotation is prevented, and the effect of controlling the tightness degree is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field more specifically relates to a kind of exhibition arm welding robot's receiving chassis. BACKGROUND

[0002] Exhibition arm welding robot is a kind of industrial robot specially designed for welding application, usually with long working range (arm spread), so as to be able to reach different welding positions of large or complex workpieces. This type of robot is widely used in automobile manufacturing, aerospace, shipbuilding, pressure vessels and other industries that require efficient and accurate welding.

[0003] The Chinese patent with application number 202122059440.2 discloses a welding robot, which includes a device body and an adjusting assembly. The device body has a lead mechanism installed in the middle of its surface for wire arrangement, and the adjusting assembly for angle adjustment of the device body is arranged above the device body. During daily production and use, the following situations may occur:

[0004] Usually, bolts are used to install the welding robot on a mobile vehicle to increase the welding area and improve the working range. However, when the welding robot malfunctions or needs regular maintenance, it needs to be disassembled for inspection or replacement of parts. At this time, the welding robot can only be disassembled by removing the connection of the bolts. Due to the excessive number of bolts, manual disassembly may result in low efficiency, and it is difficult to control the tightness of the bolts, which may cause the bolts to slip.

[0005] Therefore, it is necessary to provide a receiving chassis for exhibition arm welding robot to solve the above problems. UTILITY MODEL CONTENTS

[0006] To solve the above problems, the utility model provides a receiving chassis for exhibition arm welding robot, which has the function of quickly disassembling the welding assembly from the extension arm, improving the convenience during maintenance.

[0007] The utility model discloses a receiving chassis for exhibition arm welding robot in order to realize the above purposes, which specifically adopts the following technical scheme:

[0008] A receiving chassis for exhibition arm welding robot, comprising an extension arm connected to a mobile vehicle, a support seat connected to the extension arm, a receiving chassis connected to the top of the support seat, a welding assembly connected to the top of the receiving chassis, a cavity provided in the receiving chassis, a drive device provided in the cavity, an output end of the drive device connected to a driving gear, an outer ring surface of the driving gear connected to a driven gear, a central rod connected to the inside of the driven gear, an upper connecting disc and a lower connecting disc sleeved to the bottom of the central rod.

[0009] The bottom of the cavity is provided with a threaded hole extending to the support base, the bottom of the lower connecting disc is connected with a threaded column which can be inserted into the threaded hole, the bottom of the upper connecting disc is connected with an upper inclined block, the top of the lower connecting disc is connected with a lower inclined block, and the bottoms of the upper inclined block and the lower inclined block are provided with inclined surfaces which are opposite to each other.

[0010] Preferably, the outer ring surface of the central rod is provided with a guide groove, and the inner ring surface of the upper connecting disc is connected with a guide block located in the guide groove.

[0011] Preferably, the upper connecting disc and the lower connecting disc are connected with a lower spring, and the lower connecting disc slides up and down on the outer ring surface of the central rod.

[0012] Preferably, the upper connecting disc and the driven gear are connected with an upper spring, and the top of the outer wall of the central rod is connected with a rotating support.

[0013] Preferably, the top of the outer wall of the central rod is slidingly connected with an adjusting disc, and the inner ring surface of the adjusting disc is connected with a guide block located in the guide groove.

[0014] Preferably, the bottom of the adjusting disc is connected with a protrusion, and the top of the driven gear is provided with a groove corresponding to the protrusion.

[0015] Preferably, the top of the central rod is connected with a baffle, and the baffle and the adjusting disc are connected with an adjusting spring.

[0016] Preferably, the top of the adjusting disc is connected with a rotating handle, and the sidewall of the receiving base disc is provided with an inspection door.

[0017] Preferably, the top of the driving device is connected with a support frame, and the support frame is fixed to the inner wall of the receiving base disc.

[0018] Preferably, the threaded column is hollow.

[0019] Compared with the prior art, the device has the advantages that:

[0020] 1、The device can drive multiple threaded columns to rotate through the cooperation of the upper connecting disc, the lower connecting disc and the threaded column, so as to quickly install the receiving base disc on the support base, avoid the situation that the welding assembly is manually disassembled, and prevent excessive rotation of the upper connecting disc at the top after the threaded column is tightened, thereby achieving the function of controlling the tightness.

[0021] 2、The device is provided with an adjusting disc and a rotating handle part at the top of the center rod, rotating the rotating handle can play the role of manually adjusting the rotation of the threaded column, facilitating the disassembly of the bearing base from the support seat in case of power failure, and improving the convenience. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view of the utility model;

[0023] Figure 2 It is a schematic view of the support seat and the bearing base structure in the utility model;

[0024] Figure 3 It is a schematic view of the driving gear and the driven gear structure in the utility model;

[0025] Figure 4 It is a schematic view of the lower connecting disc and the threaded column structure in the utility model;

[0026] Figure 5 It is a schematic view of the driven gear and the adjusting disc structure in the utility model;

[0027] Figure 6 It is a schematic view of the driven gear and the upper connecting disc structure in the utility model.

[0028] REFERENCE SIGNS:

[0029] 101, mobile vehicle; 102, extending arm; 103, support seat; 104, bearing base; 105, welding assembly; 106, cavity; 107, driving device; 108, driving gear; 109, driven gear; 110, center rod; 111, upper connecting disc; 112, lower connecting disc; 113, threaded hole; 114, threaded column; 115, upper inclined surface block; 116, lower inclined surface block; 117, guide groove; 118, guide block; 119, lower spring; 120, upper spring; 121, rotating support; 122, adjusting disc; 123, protruding block; 124, recess; 125, baffle; 126, adjusting spring; 127, rotating handle; 128, maintenance door; 129, support frame. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to Figures 1-6A kind of exhibition arm welding robot's receiving chassis, including the extension arm 102 connected on mobile car 101, extension arm 102 is fixed on mobile car 101, expand the range of welding along with the movement of vehicle, support seat 103 is connected on the described extension arm 102, the top of support seat 103 is connected with receiving chassis 104, the top of receiving chassis 104 is connected with welding assembly 105, welding action is carried out by welding assembly 105, welding assembly 105 is existing mature device, here no more superfluous repetition, welding assembly 105 is fixedly connected to receiving chassis 104, the inside of described receiving chassis 104 is provided with cavity 106, by being provided with cavity 106 in the inside of receiving chassis 104, the threaded column 114 of connecting action can be protected, drive device 107 is arranged in the cavity 106, the output of drive device 107 is connected with driving gear 108, the output of drive device 107 is driven from driving gear 108 and rotates to drive threaded column 114 to rotate, so as to reach the effect of fixing receiving chassis 104 on support seat 103, the outer ring surface of driving gear 108 is connected with from driving gear 109, the inside of from driving gear 109 is connected with center rod 110, threaded column 114 rotates around center rod 110, the bottom of center rod 110 is sleeved with upper connecting disc 111 and lower connecting disc 112, upper connecting disc 111 drives lower connecting disc 112 to rotate, so as to drive the threaded column 114 at the bottom to rotate;

[0032] Reference Figures 3 to 6 The bottom of cavity 106 is provided with threaded hole 113 extending to support seat 103, receiving chassis 104 is only through hole, support seat 103 is provided with thread, the diameter of through hole is greater than the diameter of thread, the bottom of lower connecting disc 112 is connected with threaded column 114 that can be inserted into threaded hole 113, threaded column 114 and the lower connecting disc 112 of top form a bolt, the bottom of upper connecting disc 111 is connected with upper inclined surface block 115, the top of lower connecting disc 112 is connected with lower inclined surface block 116, the bottom of upper inclined surface block 115 and lower inclined surface block 116 is provided with inclined surface towards opposite, when threaded column 114 is completely screwed into threaded hole 113, the inclined surface of upper inclined surface block 115 and lower inclined surface block 116 is at the same height, at this time even if continue to rotate center rod 110, by the connection of inclined surface and inclined surface, will make upper connecting disc 111 move upwards along guide groove 117, cannot continue to drive lower connecting disc 112 to rotate.

[0033] Specifically, reference Figure 6The outer ring surface of the center rod 110 is provided with a guide groove 117, and the inner ring surface of the upper connecting disc 111 is connected with a guide block 118 located in the guide groove 117. Specifically, when the threaded column 114 is completely screwed into the threaded hole 113, the upper connecting disc 111 is located at the bottom of the guide groove 117 through the guide block 118, at this time, the two inclined surfaces of the upper inclined block 115 and the lower inclined block 116 are at the same height, and even if the upper connecting disc 111 continues to rotate, it will only jump up in the guide groove 117 through the contact between the inclined surfaces, and will not continue to drive the lower connecting disc 112 to rotate; when disassembling, the upper connecting disc 111 and the lower connecting disc 112 are in contact with each other on the other side away from the inclined surface, and will not jump up, thereby smoothly driving the lower connecting disc 112 to rotate, achieving the effect of disassembly.

[0034] Specifically, referring to Figure 5 and Figure 6 , the upper connecting disc 111 and the lower connecting disc 112 are connected with a lower spring 119, the upper connecting disc 111 and the lower spring 119 are connected with a rotating bearing, facilitating the rotation between the upper connecting disc 111 and the lower connecting disc 112, the lower spring 119 is in a stretched state, used to maintain the distance between the upper connecting disc 111 and the lower connecting disc 112, and the lower connecting disc 112 slides up and down on the outer ring surface of the center rod 110, and the threaded column 114 is rotationally connected with the center rod 110. When the threaded column 114 is completely screwed into the threaded hole 113, the lower connecting disc 112 and the upper connecting disc 111 will be in an idle state.

[0035] Specifically, referring to Figure 6 , the upper spring 120 is connected between the driven gear 109 and the upper connecting disc 111, and the upper spring 120 is in a compressed state, pushing the upper connecting disc 111 to move downward, thereby pressing above the threaded hole 113, and the outer wall top of the center rod 110 is connected with a rotating bracket 121.

[0036] When there is no electricity, it will not be disassembled, and the following provides a structure for disassembly using manpower: specifically, referring to Figure 5 and Figure 6 , the outer wall top of the center rod 110 is slidingly connected with an adjusting disc 122, the inner ring surface of the adjusting disc 122 is connected with a guide block 118 located in the guide groove 117, and the adjusting disc 122 rotates with the center rod 110.

[0037] Specifically, referring to Figure 6The bottom of the adjusting disc 122 is connected with a protrusion 123, and the top of the driven gear 109 is provided with a groove 124 corresponding to the protrusion 123. In another embodiment, the driven gear 109 is rotationally connected with the center rod 110, the adjusting disc 122 is connected with the center rod 110 through the protrusion 123, the adjusting disc 122 drives the driven gear 109 to rotate through the protrusion 123, and when the driven gear 109 rotates, the center rod 110 is driven to rotate through the adjusting disc 122.

[0038] Specifically, referring to Figure 6 The top of the center rod 110 is connected with a baffle 125, and a spring at the bottom of the baffle 125 pushes the adjusting disc 122 to be above the driven gear 109. An adjusting spring 126 is connected between the baffle 125 and the adjusting disc 122.

[0039] Specifically, the top of the adjusting disc 122 is connected with a rotating handle 127, which can drive the adjusting disc 122 to rotate, so that a maintenance door 128 is arranged on the side wall of the receiving base plate 104. After the maintenance door 128 is opened, the rotating handle 127 is pulled upward by hand, so that the adjusting disc 122 is separated from the driven gear 109, and the rotating handle 127 is rotated to drive the adjusting disc 122 to rotate, thereby driving the center rod 110 to rotate.

[0040] Specifically, referring to Figure 3 The top of the driving device 107 is connected with a support frame 129, which supports the driving device 107. The driving device 107 is preferably a motor, and the support frame 129 is fixed to the inner wall of the receiving base plate 104.

[0041] Specifically, the threaded column 114 is hollow, which facilitates the up and down movement along the center rod 110.

[0042] In this embodiment, the stretching arm 102 is connected with a welding assembly 105, and the welding assembly 105 performs welding action. The stretching arm 102 is connected to the moving vehicle 101, and the moving range is expanded through the movement of the moving vehicle 101. When the welding assembly 105 on the stretching arm 102 needs to be maintained and adjusted, the driving device 107 is started, the driving device 107 drives the threaded column 114 to rotate in the opposite direction through the center rod 110, so that the threaded column 114 is rotated out of the threaded hole 113, and the receiving base plate 104 is detached from the support seat 103. When installing, the driving device 107 is positively rotated to drive the threaded column 114 to enter the threaded hole 113, and the threaded column 114 is rotated several more times to ensure that each threaded column 114 can enter the threaded hole 113.

[0043] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.

Claims

1. A receiving chassis for an outrigger welding robot, characterized in that: The system includes an extension arm (102) connected to a mobile vehicle (101), a support base (103) connected to the extension arm (102), a receiving chassis (104) connected to the top of the support base (103), a welding assembly (105) connected to the top of the receiving chassis (104), a cavity (106) provided inside the receiving chassis (104), a drive device (107) provided inside the cavity (106), a drive gear (108) connected to the output end of the drive device (107), a driven gear (109) connected to the outer ring surface of the drive gear (108), a center rod (110) connected inside the driven gear (109), and an upper connecting plate (111) and a lower connecting plate (112) sleeved at the bottom of the center rod (110). The bottom of the cavity (106) is provided with a threaded hole (113) extending to the support base (103). The bottom of the lower connecting plate (112) is connected with a threaded post (114) that can be inserted into the threaded hole (113). The bottom of the upper connecting plate (111) is connected with an upper inclined block (115). The top of the lower connecting plate (112) is connected with a lower inclined block (116). The bottoms of the upper inclined block (115) and the lower inclined block (116) are provided with inclined surfaces facing opposite directions.

2. The receiving chassis of the boom welding robot according to claim 1, characterized in that: The outer ring surface of the central rod (110) is provided with a guide groove (117), and the inner ring surface of the upper connecting plate (111) is connected with a guide block (118) located in the guide groove (117).

3. The receiving chassis of an extended arm welding robot according to claim 2, characterized in that: A lower spring (119) is connected between the upper connecting plate (111) and the lower connecting plate (112), and the lower connecting plate (112) slides up and down on the outer ring surface of the central rod (110).

4. The receiving chassis of an extended arm welding robot according to claim 3, characterized in that: An upper spring (120) is connected between the driven gear (109) and the upper connecting plate (111), and a rotating bracket (121) is connected to the top of the outer wall of the central rod (110).

5. The receiving chassis of an extended arm welding robot according to claim 4, characterized in that: An adjustment disc (122) is slidably connected to the top of the outer wall of the center rod (110), and a guide block (118) located in the guide groove (117) is connected to the inner ring surface of the adjustment disc (122).

6. The receiving chassis of an outrigger welding robot according to claim 5, characterized in that: The bottom of the adjustment disc (122) is connected to a protrusion (123), and the top of the driven gear (109) is provided with a groove (124) corresponding to the protrusion (123).

7. The receiving chassis of an extended arm welding robot according to claim 6, characterized in that: A baffle (125) is connected to the top of the center rod (110), and an adjusting spring (126) is connected between the baffle (125) and the adjusting plate (122).

8. The receiving chassis of an outrigger welding robot according to claim 7, characterized in that: The top of the adjustment plate (122) is connected to a rotating handle (127), and an inspection door (128) is provided on the side wall of the supporting chassis (104).

9. The receiving chassis of an extended arm welding robot according to claim 1, characterized in that: The top of the drive device (107) is connected to a support frame (129), which is fixed to the inner wall of the supporting chassis (104).

10. The receiving chassis of an extended arm welding robot according to claim 1, characterized in that: The threaded post (114) is hollow.

Images