Eight-axis manipulator for welding patch plate of automobile thermoforming part

Abstract

The utility model provides an eight-shaft manipulator for welding a patch plate of an automobile hot-formed part, and belongs to the technical field of welding of patch plates of automobile hot-formed parts. Comprising a base, two first linear guide rails are symmetrically arranged at the top end of the base, the two first linear guide rails are arranged in parallel in the front-back direction, two movable platforms are symmetrically installed at the top end of the base, and the movable platforms are installed on the two first linear guide rails in a sliding mode; the top end of the moving platform is slidably connected with a mounting table. According to the eight-shaft manipulator for welding the patch plate of the automobile hot-formed part, a motor speed reducer I drives two rotating shafts I to rotate, and a right-angle steering gear drives a rotating shaft II to rotate, so that the rotating shaft II drives a helical gear I to rotate, and the helical gear I is meshed with a helical rack I, so that a moving platform is driven to slide on a linear guide rail I; the welding gun component is driven to transversely move; the second motor reducer drives the third rotating shaft to rotate, and the mounting table is driven to move front and back at the top end of the movable platform.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding patch plates of automobile hot forming parts, and in particular relates to an eight-axis manipulator for welding patch plates of automobile hot forming parts. Background Art

[0002] Application No. 202322758739.6 provides a welding machine mechanism for a patch plate welding station, which can realize welding at any position on the same surface of the patch plate by arranging the welding gun on a base with a forward and backward moving component and a left and right moving component so that the welding gun can move forward and backward and left and right;

[0003] However, the device can only control the movement of the welding gun in the forward, backward, left and right directions, resulting in a limited range of movement of the welding gun driven by the entire driving platform, and the inability to adjust the height of the welding gun, affecting the welding operation of the patch plate; the device only has a single welding gun installed on a single driving platform, resulting in low welding efficiency and poor practicality. Utility Model Content

[0004] In order to solve the problem that the welding gun cannot be adjusted in multiple directions in the above-mentioned prior art, the utility model provides an eight-axis manipulator for welding patch plates of automobile thermoformed parts, which adopts a translation mechanism 1 and a translation mechanism 2 combined with a lifting and moving mechanism to achieve the effect of adjusting the welding gun in multiple directions. Its specific technical scheme is: an eight-axis manipulator for welding patch plates of automobile thermoformed parts, comprising: a base, two linear guide rails 1 are symmetrically arranged on the top of the base, and the two linear guide rails 1 are arranged in parallel along the front and rear directions; two mobile platforms are symmetrically installed on the top of the base, and the mobile platforms are slidably installed on the two linear guide rails 1; the top of the mobile platform is slidably connected to a mounting table, and the top of the mounting table is installed with a mounting frame, and a welding gun component is slidably connected to the outer wall of one side of the mounting frame, and the welding gun component slides in a vertical direction.

[0005] Preferably, a translation mechanism 1 is provided between the mobile platform and the two linear guide rails 1, a translation mechanism 2 is provided between the mounting platform and the mobile platform, and a lifting and moving mechanism is provided between the welding gun component and the mounting frame.

[0006] Preferably, the translation mechanism 1 includes: a motor reducer 1, a double-hole output diverter, a right-angle diverter, a bevel gear 1 and a bevel rack 1. The top of the mobile platform is equipped with a motor reducer 1, the output shaft of the motor reducer 1 is connected to the double-hole output diverter, the double-hole output diverter is installed at the top of the mobile platform, the front and rear output ends of the double-hole output diverter are both connected to a rotating shaft 1, the end of the rotating shaft 1 away from the double-hole output diverter is connected to the right-angle diverter, a coupling 1 is connected between the rotating shaft 1 and the right-angle diverter, the right-angle diverter is installed at the top of the mobile platform, the bottom output end of the right-angle diverter is connected to a rotating shaft 2, the bottom end of the rotating shaft 2 extends to the bottom of the mobile platform, a bevel gear 1 is mounted on the outer wall of the rotating shaft 2, two bevel racks 1 are symmetrically installed on the base, the two bevel racks 1 are arranged in parallel along the front and rear directions, the bevel gear 1 corresponds to the bevel rack 1 one by one, and the bevel gear 1 is meshed with the bevel rack 1.

[0007] Preferably, the second translation mechanism comprises: a second motor reducer, a second bevel gear, a second bevel rack and a second linear guide. The second motor reducer is installed on the outer wall on the other side of the mounting frame, and the output end of the second motor reducer is connected to a rotating shaft three, the bottom end of the rotating shaft three extends to the bottom of the mounting platform, and a second bevel gear is mounted on the outer wall of the rotating shaft three; two linear guides two are symmetrically installed on the top of the moving platform, the two linear guides two are arranged in parallel in the left and right directions, and the mounting platform is slidably connected to the two linear guides two; a second bevel rack is installed on the top of the moving platform, the second bevel rack is parallel to the two linear guides two, and the second bevel gear is meshed with the second bevel rack.

[0008] Preferably, the lifting and moving mechanism includes: a linear guide rail three, a ball screw, a threaded connector and a motor reducer three. Two linear guide rails three are symmetrically installed on the outer wall of one side of the mounting frame. The two linear guide rails three are arranged in parallel in the front-to-back direction. The surfaces of the two linear guide rails three are connected to welding gun components. A ball screw is rotatably connected to the outer wall of one side of the mounting frame. The ball screw and the two linear guide rails three are parallel to each other. A threaded connector is threadedly connected on the outer wall of the ball screw, and the threaded connector is connected to the welding gun component. A motor reducer three is installed on the top of the mounting frame, and a rotating shaft four is connected to the output end of the motor reducer three, and a coupling two is connected between the rotating shaft four and the ball screw.

[0009] Preferably, fixing seats are installed at the four corners of the base.

[0010] In addition, the eight-axis manipulator for welding automotive hot-formed parts patch plates in the above-mentioned technical solution provided by the utility model may also have the following characteristics: the welding gun component includes: a connecting frame, a hydraulic cylinder and a welding gun, the surfaces of the two linear guide rails are connected with a connecting frame, the connecting frame is connected to the threaded connector, a hydraulic cylinder is installed inside the connecting frame, and a welding gun is rotatably connected to the outer wall of the connecting frame.

[0011] In the above technical solution, the welding gun is connected to the output shaft of the hydraulic cylinder.

[0012] Compared with the prior art, the eight-axis manipulator for welding the patch plate of a hot-formed automobile part of the utility model has the following beneficial effects:

[0013] 1. The eight-axis manipulator for welding the patch plate of the hot-formed automobile parts drives the two rotating shafts 1 to rotate through the motor reducer 1, and drives the rotating shaft 2 to rotate through the right-angle steering gear, so that the rotating shaft 2 drives the helical gear 1 to rotate, and the helical gear 1 is meshed with the helical rack 1, thereby driving the mobile platform to slide on the linear guide rail 1, and driving the welding gun component to move horizontally;

[0014] 2. The eight-axis manipulator used for welding the patch plate of the hot-formed automobile parts drives the rotating shaft 3 to rotate through the motor reducer 2, and the rotating shaft 3 drives the bevel gear 2 to rotate, so that the bevel gear 2 meshes with the bevel rack 2, thereby driving the mounting platform to move in the front-rear direction at the top of the mobile platform to change the position of the welding gun component;

[0015] 3. The eight-axis manipulator used for welding the patch plate of the hot-formed automobile parts drives the rotating shaft four to rotate through the motor reducer three, so that the rotating shaft four drives the ball screw to rotate, and the ball screw drives the threaded connector and the welding gun component to move, thereby driving the welding gun component to move in the vertical direction on the linear guide rail three to change the height of the welding gun component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural schematic diagram of an eight-axis manipulator for welding patch plates of automobile hot-formed parts provided by the utility model;

[0017] Figure 2 A side view schematic diagram of an eight-axis manipulator for welding patch plates of automobile hot-formed parts provided by the utility model;

[0018] Figure 3 A partial schematic diagram of the main view of an eight-axis manipulator for welding patch plates of automobile hot-formed parts provided by the utility model;

[0019] Figure 4 A schematic diagram of the structure of the lifting and moving mechanism provided by the utility model;

[0020] in, Figures 1 to 4The reference numerals and component names are as follows: 1, base, 2, linear guide rail 1, 3, mobile platform, 4, translation mechanism 1, 5, mounting table, 6, translation mechanism 2, 7, mounting frame, 8, welding gun component, 9, lifting and moving mechanism, 10, fixed seat, 41, motor reducer 1, 42, double-hole output steering gear, 43, rotating shaft 1, 44, coupling 1, 45, right-angle steering gear, 46, rotating shaft 2, 47, bevel gear 1, 48, bevel rack 1, 61, motor reducer 2, 62, rotating shaft 3, 63, bevel gear 2, 64, bevel rack 2, 65, linear guide rail 2, 81, connecting frame, 82, hydraulic cylinder, 83, welding gun, 91, linear guide rail 3, 92, ball screw, 93, threaded connector, 94, rotating shaft 4, 95, motor reducer 3, 96, coupling 2. DETAILED DESCRIPTION

[0021] The following is a combination of specific implementation cases and attached Figure 1-Figure 4 The utility model is further described, but the utility model is not limited to these embodiments. The utility model provides a technical solution: an eight-axis manipulator for welding patch plates of automobile hot-formed parts, comprising: a base 1, two linear guide rails 2 are symmetrically arranged at the top of the base 1, and the two linear guide rails 2 are arranged in parallel along the front-back direction, and two mobile platforms 3 are symmetrically installed at the top of the base 1, and the mobile platforms 3 are slidably installed on the two linear guide rails 2;

[0022] The top of the mobile platform 3 is slidably connected to a mounting platform 5, which is slidably connected in the front-rear direction. A mounting frame 7 is installed on the top of the mounting platform 5, and a welding gun component 8 is slidably connected on one side outer wall of the mounting frame 7, which slides in the vertical direction.

[0023] As a preferred solution, further, a translation mechanism 4 is arranged between the mobile platform 3 and the two linear guide rails 2, and the translation mechanism 4 controls the movement of the mobile platform 3 in the left and right direction; a translation mechanism 2 6 is arranged between the mounting table 5 and the mobile platform 3, and the translation mechanism 2 6 controls the movement of the mounting table 5 in the front and back direction; a lifting and moving mechanism 9 is arranged between the welding gun component 8 and the mounting frame 7, and the lifting and moving mechanism 9 controls the movement of the welding gun component 8 in the vertical direction.

[0024] As a preferred solution, further, the translation mechanism 4 includes: a motor reducer 41, a double-hole output diverter 42, a right-angle diverter 45, a bevel gear 47 and a bevel rack 48. The motor reducer 41 is installed on the top of the mobile platform 3. The output shaft of the motor reducer 41 is connected to the double-hole output diverter 42. The double-hole output diverter 42 is installed on the top of the mobile platform 3. The front and rear output ends of the double-hole output diverter 42 are both connected to a rotating shaft 43. The end of the rotating shaft 43 away from the double-hole output diverter 42 is connected to the right-angle diverter 45. There is a Coupling 1 44, rotating shaft 1 43 is connected to the input shaft of right-angle steering gear 45 through coupling 1 44; right-angle steering gear 45 is installed at the top of mobile platform 3, and the bottom output end of right-angle steering gear 45 is connected with rotating shaft 2 46, and the bottom end of rotating shaft 2 46 extends to the bottom of mobile platform 3, and the outer wall of rotating shaft 2 46 is provided with bevel gear 1 47, and bevel gear 1 47 is located below mobile platform 3, and two bevel racks 1 48 are symmetrically installed on base 1, and the two bevel racks 1 48 are arranged in parallel along the front-back direction, and bevel gear 1 47 corresponds to bevel rack 1 48 one by one, and bevel gear 1 47 is meshed with bevel rack 1 48.

[0025] As a preferred solution, further, the translation mechanism 26 includes: a motor reducer 261, a bevel gear 263, a bevel rack 264 and a linear guide 265. The motor reducer 261 is installed on the outer wall of the other side of the mounting frame 7, and the output end of the motor reducer 261 is connected to a rotating shaft 362. The bottom end of the rotating shaft 362 extends to the bottom of the mounting platform 5. A bevel gear 263 is mounted on the outer wall of the rotating shaft 362, and the bevel gear 263 is located below the mounting platform 5; two linear guides 265 are symmetrically installed on the top of the moving platform 3, and the two linear guides 265 are arranged in parallel in the left and right directions, and the mounting platform 5 is slidably connected to the two linear guides 265; a bevel rack 264 is installed on the top of the moving platform 3, and the bevel rack 264 is parallel to the two linear guides 265, and the bevel gear 263 is meshed with the bevel rack 264.

[0026] As a preferred embodiment, further, the lifting and moving mechanism 9 includes: a linear guide rail 3 91, a ball screw 92, a threaded connector 93 and a motor reducer 3 95. Two linear guide rails 3 91 are symmetrically installed on the outer wall of one side of the mounting frame 7. The two linear guide rails 3 91 are arranged in parallel in the front-to-back direction. The surfaces of the two linear guide rails 3 91 are connected to the welding gun components 8. A ball screw 92 is rotatably connected to the outer wall of one side of the mounting frame 7. The ball screw 92 and the two linear guide rails 3 91 are parallel to each other. The ball screw 92 is located between the two linear guide rails 3 91. A threaded connector 93 is threadedly connected to the outer wall of the ball screw 92, and the threaded connector 93 is connected to the welding gun component 8; a motor reducer 3 95 is installed on the top of the mounting frame 7, and the output end of the motor reducer 3 95 is connected to a rotating shaft 4 94, and a coupling 2 96 is connected between the rotating shaft 4 94 and the ball screw 92.

[0027] As a preferred solution, further, fixing seats 10 are installed at the four corners of the base 1, and the base 1 is installed at a preset position through the fixing seats 10.

[0028] As a preferred embodiment, further, the welding gun component 8 includes: a connecting frame 81, a hydraulic cylinder 82 and a welding gun 83. The surfaces of the two linear guide rails 91 are connected to the connecting frame 81, and the connecting frame 81 is connected to the threaded connector 93. Two hydraulic cylinders 82 are symmetrically installed inside the connecting frame 81. Two welding guns 83 are symmetrically connected to the outer wall of the connecting frame 81. The welding guns 83 correspond to the hydraulic cylinders 82 one by one, and the welding guns 83 are connected to the output shaft of the hydraulic cylinder 82.

[0029] The motor reducer 1, motor reducer 2, motor reducer 3, double-hole output steering gear, right-angle steering gear, hydraulic cylinder and welding gun in this case are prior art. The motor reducer 1, motor reducer 2, motor reducer 3 and welding gun all have the same structure and connection method in the cited documents. As long as the motor reducer 1, motor reducer 2, motor reducer 3, double-hole output steering gear, right-angle steering gear, hydraulic cylinder and welding gun meet the requirements of this case, they are all acceptable.

[0030] Working principle: the electrical components appearing in the present application are all connected to an external power supply and a control switch when in use. After the present invention is installed, first check the installation and fixation and safety protection of the present invention, and then it can be used; when in use, when driving the welding gun 83 to process the patch of the workpiece, it is driven by the motor reducer 41, and the power is divided from the motor reducer 41 to the two rotating shafts 43 through the double-hole output diverter 42, and then the rotating shaft 43 transmits the power to the rotating shaft 2 46 through the right-angle diverter 45, and the rotating shaft 43 drives the bevel gear 1 47 to rotate, and the bevel gear 1 47 is meshed with the bevel rack 1 48, driving the two mobile platforms 3 to slide on the linear guide rail 2, and synchronously driving the two mobile platforms 3 to move toward the center of the base 1; then control the motor reducer 2 6 1, the motor reducer 2 61 drives the rotating shaft 3 62 to rotate, the rotating shaft 3 62 drives the bevel gear 2 63 to rotate, so that the bevel gear 2 63 engages with the bevel rack 2 64, controls the mounting platform 5 to move along the front-rear direction on the mobile platform 3, and adjusts the distance between the welding gun component 8 and the welding platform; then the motor reducer 3 95 drives the rotating shaft 4 94 to rotate, so that the rotating shaft 4 94 drives the ball screw 92 to rotate through the coupling 96, and the ball screw 92 drives the surface threaded connector 93 to perform reciprocating lifting and lowering motion, and drives the welding gun component 8 to adjust the height along the linear guide rail 3 91 through the threaded connector 93; finally, the welding gun 83 is driven to rotate by controlling the hydraulic cylinder 82, so that the welding gun 83 is aligned with the workpiece, which is convenient for the welding gun 83 to perform patch processing on the workpiece, and realizes patch processing on small sheet materials.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is limited by the appended claims rather than the above description, and therefore it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention; any figure mark in the claims should not be regarded as limiting the claims involved.

[0032] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An eight-axis manipulator for welding patch plates of automobile hot-formed parts, comprising: A base (1), characterized in that two linear guide rails (2) are symmetrically arranged at the top of the base (1), the two linear guide rails (2) are arranged in parallel along the front-back direction, and two moving platforms (3) are symmetrically installed at the top of the base (1), and the moving platforms (3) are slidably installed on the two linear guide rails (2); The top of the mobile platform (3) is slidably connected to a mounting platform (5), a mounting frame (7) is mounted on the top of the mounting platform (5), a welding gun component (8) is slidably connected to an outer wall of one side of the mounting frame (7), and the welding gun component (8) slides in a vertical direction.

2. The eight-axis manipulator for welding the patch plate of the automobile hot-formed parts according to claim 1 is characterized in that: A translation mechanism (4) is provided between the mobile platform (3) and the two linear guide rails (2), a translation mechanism (6) is provided between the mounting platform (5) and the mobile platform (3), and a lifting and moving mechanism (9) is provided between the welding gun component (8) and the mounting frame (7).

3. The eight-axis manipulator for welding the patch plate of the automobile hot-formed parts according to claim 2 is characterized in that: The translation mechanism (4) comprises: a motor reducer (41), a double-hole output diverter (42), a right-angle diverter (45), a bevel gear (47) and a bevel rack (48). The top of the mobile platform (3) is provided with a motor reducer (41). The output shaft of the motor reducer (41) is connected to the double-hole output diverter (42). The double-hole output diverter (42) is installed at the top of the mobile platform (3). The front and rear output ends of the double-hole output diverter (42) are both connected to a rotating shaft (43). The end of the rotating shaft (43) away from the double-hole output diverter (42) is connected to the right-angle diverter (45). The rotating shaft (43) A coupling 1 (44) is connected to the right-angle steering gear (45), the right-angle steering gear (45) is installed at the top of the mobile platform (3), the bottom output end of the right-angle steering gear (45) is connected to a rotating shaft 2 (46), the bottom end of the rotating shaft 2 (46) extends to the bottom of the mobile platform (3), a bevel gear 1 (47) is mounted on the outer wall of the rotating shaft 2 (46), and two bevel racks 1 (48) are symmetrically installed on the base (1), the two bevel racks 1 (48) are arranged in parallel along the front-rear direction, the bevel gear 1 (47) corresponds to the bevel rack 1 (48) one by one, and the bevel gear 1 (47) is meshed with the bevel rack 1 (48).

4. The eight-axis manipulator for welding the patch plate of the automobile hot-formed parts according to claim 2 is characterized in that: The second translation mechanism (6) comprises: a second motor reducer (61), a second bevel gear (63), a second bevel rack (64) and a second linear guide rail (65). The second motor reducer (61) is installed on the outer wall of the other side of the mounting frame (7). The output end of the second motor reducer (61) is connected to a third rotating shaft (62). The bottom end of the third rotating shaft (62) extends to the bottom of the mounting platform (5). The second bevel gear (63) is mounted on the outer wall of the third rotating shaft (62). ; Two linear guide rails (65) are symmetrically installed at the top of the mobile platform (3), and the two linear guide rails (65) are arranged in parallel along the left-right direction, and the mounting platform (5) is slidably connected to the two linear guide rails (65); a bevel rack (64) is installed at the top of the mobile platform (3), and the bevel rack (64) and the two linear guide rails (65) are parallel to each other, and the bevel gear (63) is meshed with the bevel rack (64).

5. The eight-axis manipulator for welding the patch plate of the automobile hot-formed parts according to claim 2 is characterized in that: The lifting and moving mechanism (9) comprises: a linear guide rail three (91), a ball screw (92), a threaded connector (93) and a motor reducer three (95); two linear guide rails three (91) are symmetrically mounted on an outer wall of one side of the mounting frame (7); the two linear guide rails three (91) are arranged in parallel along the front-to-back direction; the surfaces of the two linear guide rails three (91) are connected to a welding gun component (8); a ball screw (92) is rotatably connected to an outer wall of one side of the mounting frame (7); The ball screw (92) is parallel to the two linear guide rails (91), and a threaded connector (93) is threadedly connected to the outer wall of the ball screw (92), and the threaded connector (93) is connected to the welding gun component (8); a motor reducer (95) is installed at the top of the mounting frame (7), and a rotating shaft (94) is connected to the output end of the motor reducer (95), and a coupling (96) is connected between the rotating shaft (94) and the ball screw (92).

6. The eight-axis manipulator for welding the patch plate of the automobile hot-formed parts according to claim 1 is characterized in that: The four corners of the base (1) are each provided with a fixing seat (10).

7. The eight-axis manipulator for welding the patch plate of the automobile hot-formed parts according to claim 5 is characterized in that: The welding gun component (8) comprises: a connecting frame (81), a hydraulic cylinder (82) and a welding gun (83); the surfaces of the two linear guide rails (91) are connected with the connecting frame (81); the connecting frame (81) is connected to the threaded connector (93); the hydraulic cylinder (82) is installed inside the connecting frame (81); the welding gun (83) is rotatably connected to the outer wall of the connecting frame (81); and the welding gun (83) is connected to the output shaft of the hydraulic cylinder (82).

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