Multi-axis moving mechanism for intelligent welding

Abstract

The utility model discloses a multi-axis moving mechanism for intelligent welding, which belongs to the technical field of welding, and comprises a bottom plate and a welding piece placing disc, and a crank type three-degree-of-freedom moving mechanism is mounted at the upper end of the bottom plate; the crank type three-degree-of-freedom moving mechanism comprises a driving assembly and a movable supporting assembly. The driving assembly is installed at the upper end of the bottom plate. The lower portion of the movable supporting assembly is connected with the driving assembly, and the upper portion of the movable supporting assembly is connected with the welding piece containing disc. And an automatic centering clamping mechanism is mounted at the upper end of the welding part placing disc. Through cooperation of the driving assembly and the movable supporting assembly, the spatial position of a welding piece is continuously changed from multiple angles such as the horizontal angle or the vertical angle; and an additional positioning mechanism does not need to be arranged through the automatic centering clamping mechanism, it is guaranteed that all the welding pieces can be located at the set welding point positions, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, concretely relates to a multi -shaft moving mechanism for intelligent welding. BACKGROUND

[0002] With the development of automation technology, the automation level of welding production is continuously improved. Many enterprises have begun to adopt advanced welding technologies such as robot welding and automatic production line, greatly improving production efficiency and welding quality.

[0003] Chinese patent CN218575345U discloses a kind of side plate intelligent welding machine, including bottom plate and four mounting racks, four mounting racks one end are all installed on the bottom plate upper end, four mounting racks upper end is equipped with turnover support structure, and the bottom plate upper end is equipped with mobile welding structure;The turnover support structure includes: four first hinges, four turnover rods, four bottom frames, four sliding limit components and four drive components.But, the device still has the following problems:

[0004] When the welding points on the welding piece are more, the welding machine needs to be frequently rotated to ensure the accuracy of welding, and when installing the welding piece, the operator needs to position the welding piece through positioning mechanism every time before clamping and fixing the welding piece, which is relatively inconvenient to operate.

[0005] Therefore, the utility model designs a kind of multi -shaft moving mechanism for intelligent welding to solve the above problems. CONTENT OF UTILITY MODEL

[0006] In view of the above shortcomings of prior art, the utility model provides a kind of multi -shaft moving mechanism for intelligent welding.

[0007] To achieve the above purposes, the utility model is realized by the following technical schemes:

[0008] A kind of multi -shaft moving mechanism for intelligent welding, including bottom plate and welding piece placing disc,

[0009] The upper end of bottom plate is equipped with the crank type three degrees of freedom moving mechanism for controlling plate to carry out multi -shaft movement and facilitate all -round welding to plate;

[0010] The crank type three degrees of freedom moving mechanism includes drive component for controlling the movement of movable support assembly and movable support assembly for changing the inclination angle of welding piece placing disc;Drive component is installed on the upper end of bottom plate;The lower part of movable support assembly is connected with drive component, and the upper part of movable support assembly is connected with welding piece placing disc;

[0011] The upper end of welding piece placing disc is equipped with automatic centering clamping mechanism that automatically positions and completes clamping to welding plate;

[0012] Further, the activity support assembly comprises a lower connecting plate, an upper connecting plate, a multi-layer rotating assembly and a support shaft, the support shaft is fixedly installed at the middle of the upper end of the bottom plate; a plurality of upper connecting plates are rotatably installed on the outer wall of the welding piece placement disc; the upper end of the lower connecting plate is rotatably connected with the lower end of the upper connecting plate, and the lower end of the lower connecting plate is connected with the multi-layer rotating assembly;

[0013] Further, the plurality of lower connecting plates are of the same shape and different sizes;

[0014] Further, the upper connecting plates are circumferentially and equidistantly distributed on the outer wall of the welding piece placement disc;

[0015] Further, the multi-layer rotating assembly comprises an outer sleeve, a middle sleeve, an inner sleeve and a driven gear, the inner sleeve is rotatably connected outside the support shaft, the middle sleeve is rotatably connected outside the inner sleeve, and the outer sleeve is rotatably connected outside the middle sleeve, the installation position of the lower end of the inner sleeve is lower than the bottom of the middle sleeve, and the installation position of the lower end of the middle sleeve is lower than the lower end of the outer sleeve; and the upper ends of the outer sleeve, the middle sleeve and the inner sleeve are fixedly connected with the lower connecting plate, and the lower ends of the outer sleeve, the middle sleeve and the inner sleeve are fixedly connected with the driven gear; and the height of the connection between the inner sleeve and the lower connecting plate is higher than the height of the connection between the middle sleeve and the lower connecting plate, and the height of the connection between the middle sleeve and the lower connecting plate is higher than the height of the connection between the outer sleeve and the lower connecting plate;

[0016] Further, the driving assembly comprises a motor, a rotating shaft and a driving gear, a plurality of motors are fixedly installed at the upper end of the bottom plate around the support shaft; and the output end of the motor is fixedly connected with the rotating shaft; the rotating shaft is fixedly connected with the driving gear; and the driving gear is meshingly connected with the driven gears of different heights respectively;

[0017] Further, the automatic centering clamping mechanism comprises a fixed block, a lead screw, a handle, a push plate, a T-shaped clamping block and a tension spring, the fixed block is fixedly installed at the rear end of the welding piece placement disc; the lead screw is threadedly connected with the middle of the fixed block; the handle is fixedly installed at the rear end of the lead screw; the front end of the lead screw is rotatably connected with the push plate; two T-shaped clamping blocks are symmetrically and rotatably installed on the front side of the upper end of the welding piece placement disc; and the two ends of the tension spring are fixedly connected with the front side of the opposite ends of the two T-shaped clamping blocks respectively.

[0018] Further, the rear end of the short side of the T-shaped clamping block is set as a first contact point, and the middle of the long side of the T-shaped clamping block is set as a second contact point.

[0019] The utility model discloses a compared with prior art, its beneficial effect is:1, through the cooperation of drive assembly and movable support assembly, the spatial position of welding piece is constantly changed from horizontal or vertical etc. multiple angles, guarantee the welding accuracy of multi -welding point welding piece or the welding accuracy of irregular shape welding plate material, improve the quality and efficiency of welding;

[0020] 2, through automatic centering clamping mechanism, can be to welding piece fast clamping, and through automatic centering clamping mechanism need not to set up additional positioning mechanism, reduce the workload of operator additional welding piece positioning, and guarantee that welding piece can all be at the set welding point position, improve the practicality of device. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduced. Obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0022] Figure 1 It is the perspective drawing of a kind of intelligent welding multi-shaft moving mechanism of the utility model;

[0023] Figure 2 It is the front view of a kind of intelligent welding multi-shaft moving mechanism of the utility model;

[0024] Figure 3 It is along Figure 2 The perspective drawing of a part of A-A direction in the middle;

[0025] Figure 4 It is Figure 1 The enlarged view of B in the middle.

[0026] The reference numeral in the drawing represents respectively:

[0027] 1, bottom plate;2, crank type three degrees of freedom moving mechanism;21, drive assembly;211, motor;212, rotating shaft;213, drive gear;22, movable support assembly;221, lower connecting plate;222, upper connecting plate;223, outer sleeve;224, middle sleeve;225, inner sleeve;226, driven gear;227, support shaft;3, automatic centering clamping mechanism;31, fixed block;32, screw;33, handle;34, push plate;35, T-shaped clamping block;351, first contact point;352, second contact point;36, tension spring;4, welding piece placement tray. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are 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.

[0029] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented with the perspective of the front view.

[0030] In some embodiments, referring to the drawings of the specification Figures 1-4 A kind of intelligent welding multi-axis moving mechanism, including bottom plate 1 and welding piece placing tray 4,

[0031] The upper end of bottom plate 1 is installed for the crank type three degrees of freedom moving mechanism 2 of the plate material for controlling multi-axis movement, and the plate material is conveniently welded in all directions;

[0032] Crank type three degrees of freedom moving mechanism 2 includes drive assembly 21 for controlling the movement of movable support assembly 22 and movable support assembly 22 for changing the inclination angle of welding piece placing tray 4;Drive assembly 21 is installed at the upper end of bottom plate 1;The lower part of movable support assembly 22 is connected with drive assembly 21, and the upper part of movable support assembly 22 is connected with welding piece placing tray 4;

[0033] The upper end of welding piece placing tray 4 is installed with automatic centering clamping mechanism 3 for automatically positioning and completing clamping of welding plate material;

[0034] In the utility model, the operator places the plate material to be welded on the upper end of welding piece placing tray 4, and since it cannot be guaranteed that the operator can accurately place the plate material welding piece in the center position of welding piece placing tray 4 every time or the shape of the welding piece is irregular, the automatic centering clamping mechanism 3 is started, the automatic centering clamping mechanism 3 pushes the plate material to automatically position the plate material, and clamps the plate material welding piece;Subsequently, drive assembly 21 is started, drive assembly 21 works to drive movable support assembly 22 to move, movable support assembly 22 drives welding piece placing tray 4 installed with plate material welding piece to continuously adjust the spatial position of plate material welding piece from multiple angles such as horizontal or vertical, to realize the all-around dead-angle-free welding effect of plate material welding piece;

[0035] In the utility model, through the cooperation of the driving assembly 21 and the movable support assembly 22, the spatial position of the welding piece is continuously changed from multiple angles such as horizontal or vertical, the welding accuracy of the multi-welding-point welding piece or the welding sheet with irregular shape is ensured, and the welding quality and efficiency are improved; through the automatic centering clamping mechanism 3, the welding piece can be quickly clamped, and through the automatic centering clamping mechanism 3, an additional positioning mechanism is not needed, the workload of the operator for positioning the welding piece is reduced, and the welding piece can be ensured to be at the set welding point, and the practicality of the device is improved;

[0036] The movable support assembly 22 comprises a lower connecting plate 221, an upper connecting plate 222, an outer sleeve 223, a middle sleeve 224, an inner sleeve 225, a driven gear 226 and a support shaft 227, the support shaft 227 is fixedly installed at the middle part of the upper end of the bottom plate 1, a plurality of upper connecting plates 222 are circumferentially and equidistantly rotatably installed on the outer wall of the welding piece placing disc 4, the upper end of the lower connecting plate 221 is rotatably connected with the lower end of the upper connecting plate 222, a plurality of lower connecting plates 221 are the same in shape and different in size, the inner sleeve 225 is rotatably connected outside the support shaft 227, the middle sleeve 224 is rotatably connected outside the inner sleeve 225, the outer sleeve 223 is rotatably connected outside the middle sleeve 224, the installation position of the lower end of the inner sleeve 225 is lower than the bottom of the middle sleeve 224, and the installation position of the lower end of the middle sleeve 224 is lower than the lower end of the outer sleeve 223, and the upper ends of the outer sleeve 223, the middle sleeve 224 and the inner sleeve 225 are fixedly connected with the lower connecting plate 221, and the lower ends of the outer sleeve 223, the middle sleeve 224 and the inner sleeve 225 are fixedly connected with the driven gear 226, and the height of the connection between the inner sleeve 225 and the lower connecting plate 221 is higher than the height of the connection between the middle sleeve 224 and the lower connecting plate 221, and the height of the connection between the middle sleeve 224 and the lower connecting plate 221 is higher than the height of the connection between the outer sleeve 223 and the lower connecting plate 221;

[0037] The driving assembly 21 comprises a motor 211, a rotating shaft 212 and a driving gear 213, a plurality of motors 211 are fixedly installed on the upper end of the bottom plate 1 around the support shaft 227, and the output end of the motor 211 is fixedly connected with the rotating shaft 212, the rotating shaft 212 is fixedly connected with the driving gear 213, and the driving gear 213 is meshingly connected with the driven gears 226 of different heights respectively;

[0038] The automatic centering clamping mechanism 3 comprises a fixed block 31, a screw rod 32, a handle 33, a pushing plate 34, T-shaped clamping blocks 35 and tension springs 36, the fixed block 31 is fixedly installed at the rear end of the welding piece placing disc 4, the screw rod 32 is threadedly connected with the middle part of the fixed block 31, the handle 33 is fixedly installed at the rear end of the screw rod 32, the front end of the screw rod 32 is rotatably connected with the pushing plate 34, the two T-shaped clamping blocks 35 are symmetrically rotatably installed on the front sides of the left and right sides of the upper end of the welding piece placing disc 4, and the two ends of the tension spring 36 are fixedly connected with the front sides of the opposite ends of the two T-shaped clamping blocks 35.

[0039] The rear end short side of the T-shaped clamping block 35 is provided as a first contact point 351, and the middle part long side of the T-shaped clamping block 35 is provided as a second contact point 352; wherein the rotation point of the T-shaped clamping block 35 is located at the intersection position of the short side and the long side.

[0040] In the utility model, when not clamped, the first contact points 351 on the two T-shaped clamping blocks 35 are in a state of outward expansion; when the operator places the plate material to be welded on the welding piece placing disc 4, then rotates the handle 33, the handle 33 drives the screw rod 32 to rotate, so that the pushing plate 34 moves forward, the plate material is pushed forward, when the front end of the plate material touches the second contact point 352 of one T-shaped clamping block 35, the T-shaped clamping block 35 pulls the tension spring 36 inward, drives the other T-shaped clamping block 35 to rotate inward at the same time, until the first contact points 351 of the two T-shaped clamping blocks 35 tightly fix the two sides of the welding piece, then the rotation of the handle 33 can be stopped, at this time, the plate material is fixed on the welding piece placing disc 4.

[0041] When the plate material is clamped and fixed, the motor 211 is started, the motor 211 works to drive the rotating shaft 212 to rotate, the rotating shaft 212 drives the driving gear 213 to rotate, the driving gear 213 drives the driven gears 226 of different heights to rotate, so that the sleeves of different layers matched with the driven gears 226 rotate, so that the lower connecting plates 221 connected with the sleeves rotate and pull the upper connecting plates 222, the upper connecting plates 222 drive the welding piece placing disc 4 to rotate, so that the welding piece placing disc 4 deflects to the direction of the upper connecting plates 222 in motion, the change of the inclination angle of the clamped plate material on the welding piece placing disc 4 is realized; when multiple motors 211 are started at the same time, the multiple motors 211 drive the outer sleeves 223, the middle sleeves 224 and the inner sleeves 225 to rotate at the same time, and through the linkage of the multiple lower connecting plates 221 and the upper connecting plates 222, the welding piece placing disc 4 rotates, so that the spatial position of the welding piece continuously changes.

[0042] In the utility model, through the cooperation of different sleeves, the driving gear 213 and the driven gears 226, the welding piece can continuously change the spatial position, so that more comprehensive welding effect is realized; through the cooperation of the two T-shaped clamping blocks 35, the welding piece can automatically move to the set welding point and keep the close clamping effect.

[0043] The above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A multi-axis moving mechanism for intelligent welding, comprising a base plate (1) and a welding piece placing disc (4), characterized in that: a crank type three-degree-of-freedom moving mechanism (2) for controlling the multi-axis movement of the plate material to facilitate the all-around welding of the plate material is installed at the upper end of the base plate (1); the crank type three-degree-of-freedom moving mechanism (2) comprises a driving assembly (21) for controlling the movement of a movable support assembly (22) and the movable support assembly (22) for changing the inclination angle of the welding piece placing disc (4); the driving assembly (21) is installed at the upper end of the base plate (1); the lower part of the movable support assembly (22) is connected with the driving assembly (21), and the upper part of the movable support assembly (22) is connected with the welding piece placing disc (4); an automatic centering clamping mechanism (3) for automatically positioning and clamping the welding plate is installed at the upper end of the welding piece placing disc (4).

2. The intelligent multi-axis mobile mechanism for welding according to claim 1, wherein, The movable support assembly (22) comprises a lower connecting plate (221), an upper connecting plate (222), a multi-layer rotating assembly and a support shaft (227), the support shaft (227) is fixedly installed at the middle part of the upper end of the base plate (1); a plurality of upper connecting plates (222) are circumferentially and equidistantly rotatingly installed on the outer wall of the welding piece placing disc (4); the upper end of the lower connecting plate (221) is rotatingly connected with the lower end of the upper connecting plate (222), and the lower end of the lower connecting plate (221) is connected with the multi-layer rotating assembly.

3. The intelligent multi-axis mobile mechanism for welding according to claim 2, wherein, The plurality of lower connecting plates (221) are of the same shape and different sizes.

4. The intelligent multi-axis mobile mechanism for welding according to claim 3, wherein, The upper connecting plates (222) are circumferentially and equidistantly distributed on the outer wall of the welding piece placing disc (4).

5. The intelligent multi-axis mobile mechanism for welding according to claim 4, wherein, The multi-layer rotating assembly comprises an outer sleeve (223), a middle sleeve (224), an inner sleeve (225) and a driven gear (226), the inner sleeve (225) is rotatingly connected outside the support shaft (227), the middle sleeve (224) is rotatingly connected outside the inner sleeve (225), the outer sleeve (223) is rotatingly connected outside the middle sleeve (224), the installation position of the lower end of the inner sleeve (225) is lower than that of the lower end of the middle sleeve (224), the installation position of the lower end of the middle sleeve (224) is lower than that of the lower end of the outer sleeve (223); and the upper ends of the outer sleeve (223), the middle sleeve (224) and the inner sleeve (225) are fixedly connected with the lower connecting plate (221), the lower ends of the outer sleeve (223), the middle sleeve (224) and the inner sleeve (225) are fixedly connected with the driven gear (226); and the height of the connection between the inner sleeve (225) and the lower connecting plate (221) is higher than that of the connection between the middle sleeve (224) and the lower connecting plate (221), and the height of the connection between the middle sleeve (224) and the lower connecting plate (221) is higher than that of the connection between the outer sleeve (223) and the lower connecting plate (221).

6. The intelligent multi-axis mobile mechanism for welding according to claim 5, wherein, The driving assembly (21) comprises motors (211), rotating shafts (212) and driving gears (213), a plurality of motors (211) are fixedly installed on the upper end of the bottom plate (1) around the supporting shaft (227); and the output end of the motor (211) is fixedly connected with the rotating shaft (212); the rotating shaft (212) is fixedly connected with the driving gear (213); the driving gear (213) is respectively meshed with the driven gears (226) of different heights.

7. The intelligent multi-axis mobile mechanism for welding according to claim 6, wherein, The automatic centering clamping mechanism (3) comprises a fixed block (31), a lead screw (32), a handle (33), a push plate (34), a T-shaped clamping block (35) and a tension spring (36), the fixed block (31) is fixedly installed at the rear end of the welding piece placing disc (4); the lead screw (32) is threadedly connected with the middle part of the fixed block (31); the handle (33) is fixedly installed at the rear end of the lead screw (32); the front end of the lead screw (32) is rotatably connected with the push plate (34); two T-shaped clamping blocks (35) are symmetrically rotatably installed on the left and right sides of the front side of the upper end of the welding piece placing disc (4), and the two ends of the tension spring (36) are fixedly connected with the front sides of the opposite ends of the two T-shaped clamping blocks (35).

8. The intelligent multi-axis mobile mechanism for welding according to claim 7, wherein, The rear end of the short side of the T-shaped clamping block (35) is provided as a first contact point (351), and the middle part of the long side of the T-shaped clamping block (35) is provided as a second contact point (352).

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