Welding mechanical arm capable of being quickly disassembled

Abstract

The utility model discloses a welding mechanical arm capable of being quickly disassembled, which belongs to the technical field of welding machinery and comprises a base, a mechanical arm is arranged on the upper surface of the base, a support plate is fixedly mounted on the lower surface of the mechanical arm, a quick disassembly component is arranged in the base, and a counterweight component is arranged in the base. According to the mechanical arm dismounting device, the quick dismounting assembly is arranged, when the mechanical arm on the base needs to be dismounted, a rotary knob is rotated, pushing plates on the two sides drive the corresponding fixing rods to move in the opposite directions at the moment, the fixing rods on the two sides are moved out of a supporting sleeve and a fixing barrel, and at the moment, the mechanical arm is pulled towards one side through a supporting plate; the mechanical arm can adapt to various different tasks through the quick release function, the flexibility and efficiency of a production line are improved, the quick release design allows quick removal of fault parts so as to facilitate maintenance or replacement, and meanwhile the functions of other parts are not affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding machinery, and in particular relates to a quickly detachable welding mechanical arm. Background Art

[0002] Welding machinery generally refers to mechanical equipment used to complete welding work. It can include different forms such as manual welding tools to highly automated welding robots. Among them, welding robot arms are a type of automated equipment that are often used in the material connection process in the manufacturing industry, such as automobile manufacturing, shipbuilding and other industries. This type of robot arm can improve production efficiency, ensure the consistency of welding quality, and reduce the risks brought by manual operation.

[0003] The welding robot arms currently in use may not be able to be quickly disassembled and assembled, which reduces the scope of use and flexibility of the robot arms. It is also inconvenient to repair and replace the robot arms, which reduces the working efficiency of the robot arms and increases the maintenance cost. In addition, traditional welding robot arms are prone to shaking and cannot improve accuracy. Therefore, a welding robot arm that can be quickly disassembled is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the robotic arm may not be able to be quickly disassembled and assembled, and to propose a quickly disassembled welding robotic arm.

[0005] In order to achieve the above-mentioned object, the utility model adopts the following technical solution: a quickly detachable welding robot arm, comprising a base, a robot arm is provided on the upper surface of the base, a support plate is fixedly mounted on the lower surface of the robot arm, a quick-release assembly is provided inside the base, and a counterweight assembly is provided inside the base;

[0006] The quick-release assembly includes a first threaded rod and a connecting block. The outer wall of the first threaded rod is rotatably connected to the inner wall of the shell cavity of the base. The upper surface of the connecting block is fixedly connected to the lower surface of the support plate. A knob is fixedly installed at one end of the first threaded rod, and the other end of the first threaded rod extends to the interior of the base. A threaded sleeve is threadedly installed on the outer surface of the first threaded rod.

[0007] As a further description of the above technical solution:

[0008] The locking plate is fixedly mounted on the side wall of the threaded sleeve, and the lower surface of the limit plate is fixedly mounted with an extrusion block, and the side wall of the extrusion block is arranged to be inclined. A limit sleeve is fixedly mounted on the other side wall of the threaded sleeve, and a fixed cylinder is fixedly mounted on the inner side wall of the base, and a limiting rod is fixedly mounted on the upper surface of the fixed cylinder, and the outer wall of the limiting rod is slidably connected to the inner wall of the limiting sleeve, and a positioning hole is provided on the outer wall of the fixed cylinder, and a first spring sleeve is fixedly mounted on the other inner side wall of the base, and a first telescopic spring is fixedly mounted on the inner side wall of the first spring sleeve, and one end of the first telescopic spring is fixedly mounted with a first extrusion rod, and the outer wall of the first extrusion rod is slidably connected to the inner side wall of the first spring sleeve, and one end of the first extrusion rod is fixedly mounted with a pushing plate, and a fixing rod and a movable sleeve are fixedly mounted on the side wall of the pushing plate.

[0009] As a further description of the above technical solution:

[0010] A support sleeve is fixedly mounted on the lower surface of the connecting block, a positioning hole is provided on the outer wall of the support sleeve, and the support sleeve is adapted to the fixing cylinder.

[0011] As a further description of the above technical solution:

[0012] The counterweight assembly includes a moving block and a second spring sleeve. The upper surface of the moving block is fixedly connected to the lower surface of the support sleeve, and one end of the second spring sleeve is fixedly connected to the inner side wall of the base.

[0013] As a further description of the above technical solution:

[0014] A second telescopic spring is fixedly installed on the inner side wall of the second spring sleeve, a second extrusion rod is fixedly installed on one end of the second telescopic spring, an outer wall of the second extrusion rod is slidably connected to the inner side wall of the second spring sleeve, a connecting strip is fixedly installed on one end of the second extrusion rod, and toothed belts are fixedly installed on both ends of the connecting strip.

[0015] As a further description of the above technical solution:

[0016] An extrusion plate is fixedly installed on the side wall of the connecting bar, and the side wall of the extrusion plate is in contact with the side wall of the moving block. A second threaded rod is rotatably installed on the inner wall of the bottom surface of the base, and a gear is fixedly installed on the outer wall of the second threaded rod. The gear is meshed with a toothed belt, and a counterweight block is threadedly installed on the outer surface of the second threaded rod.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0018] 1. In the present invention, a quick-release assembly is provided. When the robotic arm on the base needs to be disassembled, the knob is turned. At this time, the push plates on both sides drive the corresponding fixing rods to move in the opposite direction, thereby moving the fixing rods on both sides out of the support sleeve and the fixing cylinder. At this time, the robotic arm is pulled to one side through the support plate. The quick-release function enables the robotic arm to adapt to a variety of different tasks, improving the flexibility and efficiency of the production line. The quick-release design allows for rapid removal of faulty parts for repair or replacement without affecting the functions of other parts.

[0019] 2. In the utility model, a counterweight assembly is provided, and the support plate drives the support sleeve to move through the connecting block, and the support sleeve drives the moving block to move. At this time, under the support of the second spring sleeve, the second telescopic spring drives the second extrusion rod to move through elastic force, and the second extrusion rod drives the connecting bar to move, and the connecting bar drives the toothed belts on both sides to move, and the toothed belts on both sides drive the corresponding gears to rotate, and the gears drive the second threaded rod to rotate, and the second threaded rod drives the corresponding counterweight blocks to move upward through the threads. Similarly, when the robotic arm is installed on the base, the counterweight blocks on both sides move downward to keep the base stable, and the counterweight blocks can help balance the center of gravity of the robotic arm. When the robotic arm needs to carry a heavier load or move at high speed, this can reduce the vibration and shaking of the robotic arm, thereby improving the stability and accuracy of its operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of a quickly detachable welding robot arm.

[0021] Figure 2 This is a schematic diagram of the partial three-dimensional decomposition structure of the quick-release components of a quickly detachable welding robot arm.

[0022] Figure 3 This is a schematic diagram of the three-dimensional decomposition structure of the limit plate and extrusion block in a quickly detachable welding robot arm.

[0023] Figure 4 This is a schematic diagram of the three-dimensional exploded structure of a first spring sleeve and a first telescopic spring in a quickly detachable welding robot arm.

[0024] Figure 5 This is a schematic diagram of the partial three-dimensional decomposition structure of a quick-detachable welding robot arm quick-release assembly and counterweight assembly.

[0025] Figure 6 This is a schematic diagram of the partial three-dimensional decomposition structure of the counterweight assembly of a quickly detachable welding robot arm.

[0026] Figure 7 This is a schematic diagram of the three-dimensional exploded structure of the gear and the second threaded rod in a quickly detachable welding robot arm.

[0027] Legend:

[0028] 1. Base; 2. Robotic arm; 3. Support plate; 4. Quick release assembly; 41. Knob; 42. First threaded rod; 43. Fixed cylinder; 44. Limit rod; 45. Threaded sleeve; 46. Limit plate; 47. Extrusion block; 48. Limit sleeve; 49. First spring sleeve; 410. First telescopic spring; 411. First extrusion rod; 412. Push plate; 413. Moving sleeve; 414. Fixed rod; 415. Connecting block; 416. Support sleeve; 5. Counterweight assembly; 51. Moving block; 52. Second threaded rod; 53. Gear; 54. Extrusion plate; 55. Counterweight; 56. Second spring sleeve; 57. Second telescopic spring; 58. Second extrusion rod; 59. Connecting strip; 510. Toothed belt. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-7 The utility model provides a technical solution: a quickly detachable welding robot arm, comprising a base 1, a robot arm 2 is provided on the upper surface of the base 1, a support plate 3 is fixedly mounted on the lower surface of the robot arm 2, a quick-release assembly 4 is provided inside the base 1, and a counterweight assembly 5 is provided inside the base 1;

[0031] The quick-release assembly 4 includes a first threaded rod 42 and a connecting block 415. The outer wall of the first threaded rod 42 is rotatably connected to the inner wall of the shell cavity of the base 1. The upper surface of the connecting block 415 is fixedly connected to the lower surface of the support plate 3. One end of the first threaded rod 42 is fixedly installed with a knob 41. The other end of the first threaded rod 42 extends to the interior of the base 1. The outer surface of the first threaded rod 42 is threadedly installed with a threaded sleeve 45. A limiting plate 46 is fixedly installed on the side wall of the threaded sleeve 45. An extrusion block 47 is fixedly installed on the lower surface of the limiting plate 46. The side wall of the extrusion block 47 is set to an inclined shape. A limiting sleeve 48 is fixedly installed on the other side wall of the threaded sleeve 45. A fixing cylinder 43 is fixedly installed on the inner side wall of the base 1. The upper surface of the fixing cylinder 43 is fixedly installed with a limiting rod 4 4. The outer wall of the limiting rod 44 is slidably connected to the inner wall of the limiting sleeve 48, and a positioning hole is provided on the outer wall of the fixed cylinder 43. A first spring sleeve 49 is fixedly installed on the other inner wall of the base 1, and a first telescopic spring 410 is fixedly installed on the inner wall of the first spring sleeve 49. One end of the first telescopic spring 410 is fixedly installed with a first extrusion rod 411, and the outer wall of the first extrusion rod 411 is slidably connected to the inner wall of the first spring sleeve 49. A push plate 412 is fixedly installed on one end of the first extrusion rod 411, and a fixing rod 414 and a movable sleeve 413 are fixedly installed on the side wall of the push plate 412. A support sleeve 416 is fixedly installed on the lower surface of the connecting block 415, and a positioning hole is provided on the outer wall of the support sleeve 416, and the support sleeve 416 is adapted to the fixed cylinder 43.

[0032] The specific implementation method is as follows: when the mechanical arm 2 on the base 1 needs to be disassembled, the knob 41 is turned, and the knob 41 drives the first threaded rod 42 to rotate. Under the limit of the limit rod 44 and the limit sleeve 48, the first threaded rod 42 drives the threaded sleeve 45 to move through the thread, and the threaded sleeve 45 drives the limit plates 46 on both sides to move, and the limit plates 46 on both sides drive the corresponding extrusion blocks 47 to move. When the extrusion blocks 47 move, the movable sleeves 413 on both sides in the base 1 are under the action of the inclined surface of the extrusion blocks 47, and at the same time are subjected to the tension of the first telescopic spring 410 in the first spring sleeve 49, the movable sleeve 413 is pulled to both sides through the first extrusion rod 411 and the pushing plate 412. At this time, the pushing plates 412 on both sides drive the corresponding fixed rods 414 to move in the opposite direction, thereby moving the fixed rods 414 on both sides out of the support sleeve 416 and the fixed cylinder 43. At this time, the mechanical arm 2 is pulled to one side through the support plate 3.

[0033] The counterweight assembly 5 includes a moving block 51 and a second spring sleeve 56. The upper surface of the moving block 51 is fixedly connected to the lower surface of the support sleeve 416. One end of the second spring sleeve 56 is fixedly connected to the inner side wall of the base 1. A second telescopic spring 57 is fixedly installed on the inner side wall of the second spring sleeve 56. One end of the second telescopic spring 57 is fixedly installed on the second extrusion rod 58. The outer wall of the second extrusion rod 58 is slidably connected to the inner side wall of the second spring sleeve 56. One end of the second extrusion rod 58 is fixedly installed with a connecting strip 59. Toothed belts 510 are fixedly installed at both ends of the connecting strip 59. An extrusion plate 54 is fixedly installed on the side wall of the connecting strip 59. The side wall of the extrusion plate 54 is fitted with the side wall of the moving block 51. A second threaded rod 52 is rotatably installed on the inner wall of the bottom surface of the base 1. A gear 53 is fixedly installed on the outer wall of the second threaded rod 52. The gear 53 is meshed with the toothed belt 510. The counterweight block 55 is threadedly installed on the outer surface of the second threaded rod 52.

[0034] The specific implementation method is as follows: the support plate 3 drives the support sleeve 416 to move through the connecting block 415, and the support sleeve 416 drives the moving block 51 to move. At this time, under the support of the second spring sleeve 56, the second telescopic spring 57 drives the second extrusion rod 58 to move through elastic force, and the second extrusion rod 58 drives the connecting bar 59 to move, and the connecting bar 59 drives the toothed belts 510 on both sides to move, and the toothed belts 510 on both sides drive the corresponding gears 53 to rotate, and the gear 53 drives the second threaded rod 52 to rotate, and the second threaded rod 52 drives the corresponding counterweight block 55 to move up through the thread. Similarly, when the robotic arm 2 is installed on the base 1, the counterweight blocks 55 on both sides move downward to keep the base 1 stable.

[0035] Working principle: When the robotic arm 2 on the base 1 needs to be disassembled, the knob 41 is turned, and the knob 41 drives the first threaded rod 42 to rotate. Under the limit of the limit rod 44 and the limit sleeve 48, the first threaded rod 42 drives the threaded sleeve 45 to move through the thread, and the threaded sleeve 45 drives the limit plates 46 on both sides to move, and the limit plates 46 on both sides drive the corresponding extrusion blocks 47 to move. While the extrusion blocks 47 move, the movable sleeves 413 on both sides of the base 1 are under the action of the inclined surface of the extrusion block 47 and the tension of the first telescopic spring 410 in the first spring sleeve 49, and the movable sleeves 413 are pulled to both sides through the first extrusion rod 411 and the push plate 412. At this time, the push plates 412 on both sides drive the corresponding fixed sleeves 413 to move. The fixed rod 414 moves in the opposite direction, thereby moving the fixed rods 414 on both sides out of the support sleeve 416 and the fixed cylinder 43. At this time, the robotic arm 2 is pulled to one side through the support plate 3, and the support plate 3 drives the support sleeve 416 to move through the connecting block 415, and the support sleeve 416 drives the moving block 51 to move. At this time, under the support of the second spring sleeve 56, the second telescopic spring 57 drives the second extrusion rod 58 to move through elastic force, and the second extrusion rod 58 drives the connecting bar 59 to move, and the connecting bar 59 drives the toothed belts 510 on both sides to move, and the toothed belts 510 on both sides drive the corresponding gears 53 to rotate, and the gear 53 drives the second threaded rod 52 to rotate, and the second threaded rod 52 drives the corresponding counterweight block 55 to move upward through the thread.

[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A quickly detachable welding robot arm, characterized by: The invention comprises a base (1), a mechanical arm (2) is provided on the upper surface of the base (1), a support plate (3) is fixedly mounted on the lower surface of the mechanical arm (2), a quick-release assembly (4) is provided inside the base (1), and a counterweight assembly (5) is provided inside the base (1); The quick-release assembly (4) comprises a first threaded rod (42) and a connecting block (415), wherein the outer wall of the first threaded rod (42) is rotatably connected to the inner wall of the shell cavity of the base (1), the upper surface of the connecting block (415) is fixedly connected to the lower surface of the support plate (3), one end of the first threaded rod (42) is fixedly mounted with a knob (41), the other end of the first threaded rod (42) extends to the interior of the base (1), and the outer surface of the first threaded rod (42) is threadedly mounted with a threaded sleeve (45).

2. The quickly detachable welding robot arm according to claim 1, characterized in that: A limiting plate (46) is fixedly mounted on the side wall of the threaded sleeve (45), an extrusion block (47) is fixedly mounted on the lower surface of the limiting plate (46), and the side wall of the extrusion block (47) is arranged to be inclined. A limiting sleeve (48) is fixedly mounted on the other side wall of the threaded sleeve (45), a fixed cylinder (43) is fixedly mounted on the inner side wall of the base (1), a limiting rod (44) is fixedly mounted on the upper surface of the fixed cylinder (43), the outer wall of the limiting rod (44) is slidably connected to the inner wall of the limiting sleeve (48), and a positioning member is provided on the outer wall of the fixed cylinder (43). A first spring sleeve (49) is fixedly mounted on the other inner side wall of the base (1), a first telescopic spring (410) is fixedly mounted on the inner side wall of the first spring sleeve (49), a first extrusion rod (411) is fixedly mounted on one end of the first telescopic spring (410), an outer wall of the first extrusion rod (411) is slidably connected to the inner side wall of the first spring sleeve (49), a push plate (412) is fixedly mounted on one end of the first extrusion rod (411), and a fixed rod (414) and a movable sleeve (413) are fixedly mounted on the side wall of the push plate (412).

3. The quickly detachable welding robot arm according to claim 2, characterized in that: A support sleeve (416) is fixedly mounted on the lower surface of the connecting block (415), a positioning hole is provided on the outer wall of the support sleeve (416), and the support sleeve (416) is adapted to the fixing cylinder (43).

4. The quickly detachable welding robot arm according to claim 3, characterized in that: The counterweight assembly (5) comprises a moving block (51) and a second spring sleeve (56), the upper surface of the moving block (51) is fixedly connected to the lower surface of the support sleeve (416), and one end of the second spring sleeve (56) is fixedly connected to the inner side wall of the base (1).

5. The quickly detachable welding robot arm according to claim 4, characterized in that: A second telescopic spring (57) is fixedly mounted on the inner side wall of the second spring sleeve (56); a second extrusion rod (58) is fixedly mounted on one end of the second telescopic spring (57); an outer wall of the second extrusion rod (58) is slidably connected to the inner side wall of the second spring sleeve (56); a connecting strip (59) is fixedly mounted on one end of the second extrusion rod (58); and toothed belts (510) are fixedly mounted on both ends of the connecting strip (59).

6. The quickly detachable welding robot arm according to claim 5, characterized in that: An extrusion plate (54) is fixedly mounted on the side wall of the connecting bar (59), and the side wall of the extrusion plate (54) is in contact with the side wall of the moving block (51). A second threaded rod (52) is rotatably mounted on the inner wall of the bottom surface of the base (1), and a gear (53) is fixedly mounted on the outer wall of the second threaded rod (52), and the gear (53) is meshed with the toothed belt (510). A counterweight (55) is threadedly mounted on the outer surface of the second threaded rod (52).

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