Two-station robot welding clamp for circuit breaker rotating shaft

Abstract

The utility model relates to a two-station robot welding fixture for a circuit breaker rotating shaft, which comprises a rotating table and a welding mechanical arm, and the rotating table is provided with a first fixture and a second fixture; the first clamp is suitable for clamping the shaft body and the first crank arm; the second clamp is suitable for clamping the shaft body, the second crank arm and the transmission toothed plate; the rotary table drives the first clamp and the second clamp to rotate to a welding station, and the welding mechanical arm sequentially welds a shaft body and a first crank arm on the first clamp and welds a shaft body, a second crank arm and a transmission toothed plate on the second clamp. By means of the two-station robot welding clamp, the quality of a machined rotating shaft is stable, and the reject ratio is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fixture, concretely relates to a two-station robot welding fixture for circuit breaker rotating shaft. BACKGROUND

[0002] As Figure 1 The circuit breaker rotating shaft shown in the figure belongs to a transmission component in the circuit breaker, which comprises a shaft body, a first crank arm, a second crank arm and a transmission gear, and the finished circuit breaker rotating shaft needs to be welded on the shaft body at a predetermined position after the two crank arms and the transmission gear are installed. The processing of the circuit breaker rotating shaft in the past completely relies on manual operation, and the following problems mainly exist:

[0003] Firstly, the preparation time before welding is long, and the operating personnel need to manually fasten and confirm each fixed point, which is extremely unfavorable in large-scale production.

[0004] Secondly, the consistency is poor. Since it is manual operation, it is difficult to ensure the accurate positioning and weld point consistency of each welding, which directly affects the quality and appearance of the product.

[0005] Thirdly, the labor intensity is large. The existing process technology requires a lot of physical labor, and long-time operation can easily cause worker fatigue, affecting production efficiency and health. At present, skilled welding personnel are scarce in society, and it is difficult to recruit personnel.

[0006] Fourthly, safety risk. In the operation process of the existing technology, harmful gases, strong light and high temperature are generated, which pose a threat to the health of the operating personnel and cause occupational hazards. INVENTION CONTENTS

[0007] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, provide a two-station robot welding fixture for circuit breaker rotating shaft, and solve the technical problem that the current circuit breaker rotating shaft processing relies too much on manual operation, resulting in low production efficiency and unstable product quality.

[0008] The technical scheme adopted by the utility model to solve the technical problem is:

[0009] A two-station robot welding fixture for circuit breaker rotating shaft is provided, which comprises

[0010] A rotating table and a welding mechanical arm, the rotating table is provided with a first clamp and a second clamp;

[0011] The first clamp is suitable for clamping the shaft body and the first crank arm;

[0012] The second clamp is suitable for clamping the shaft body, the second crank arm and the transmission gear plate;

[0013] The rotating table drives the first clamp and the second clamp to rotate to a welding station, and the welding mechanical arm sequentially welds the shaft body and the first crank arm on the first clamp, and welds the shaft body, the second crank arm and the transmission gear plate on the second clamp.

[0014] Further, the first clamp comprises

[0015] A first support, a first bottom supporting plate, a first top supporting plate and a plurality of first supporting blocks are arranged on the first support;

[0016] The first bottom supporting plate is suitable for supporting the bottom of the shaft body, the first top supporting plate is suitable for supporting the first crank arm, and the first supporting blocks are suitable for supporting the shaft body horizontally;

[0017] A first vertical clamping cylinder is arranged on the first support, the first vertical clamping cylinder is connected with the first clamping plate, and the first vertical clamping cylinder drives the first clamping plate to vertically press the first crank arm on the first top supporting plate;

[0018] A first horizontal clamping cylinder is arranged on the first support, and the first horizontal clamping cylinder is suitable for horizontally pressing the shaft body on the first supporting block.

[0019] Further, the second clamp comprises

[0020] A second support, a second bottom supporting plate, a second top supporting plate, a gear supporting plate and a second supporting block are arranged on the second support;

[0021] The second bottom supporting plate supports the bottom of the shaft body, the second top supporting plate is suitable for supporting the second crank arm, the gear supporting plate is suitable for supporting the transmission gear, and the second supporting block is suitable for supporting the shaft body horizontally;

[0022] A second vertical clamping cylinder is arranged on the second support, the second vertical clamping cylinder is connected with the second clamping plate and the third clamping plate, and the second vertical clamping cylinder drives the second clamping plate to vertically press the second crank arm on the second top supporting plate, and drives the third clamping plate to press the transmission gear plate on the gear supporting plate;

[0023] A second horizontal clamping cylinder is arranged on the second support, and the second horizontal clamping cylinder is suitable for horizontally pressing the shaft body on the second supporting block.

[0024] Further, a connecting rod is arranged between the second clamping plate and the third clamping plate, the lower end of the connecting rod is connected with the third clamping plate through a lower pin shaft, and the upper end of the connecting rod is connected with the second clamping plate through an upper pin shaft;

[0025] The push rod of the second vertical clamping cylinder is connected with the third clamping plate, and when the second vertical clamping cylinder pushes the third clamping plate, the second clamping plate is synchronously pressed through the connecting rod.

[0026] Further, the upper end of the connecting rod is provided with a long slot, the upper pin shaft passes through the long slot, and a spring is sleeved outside the connecting rod, the upper end of the spring abuts against the second clamping plate, and the lower end of the spring abuts against the third clamping plate.

[0027] Further, a partition plate is arranged on the rotating table and located between the first clamp and the second clamp.

[0028] The utility model discloses the beneficial effect is:

[0029] Through the two-station robot welding fixture of the utility model, the quality of the processed rotating shaft is stable, and the defective rate is greatly reduced. Labor intensity and skill are greatly reduced, after adopting the tooling, operating personnel only need to assemble parts on one side, do not need to walk and participate in the welding process, greatly reduce labor intensity and the labor skill requirement of the station. The illumination degree requirement of traditional welding for the operating site is greatly reduced. Eliminate the hidden danger, adopt the tooling combined with automatic equipment, operating personnel do not participate in the operating process, and the body does not need to enter the equipment operating space in the process.

[0030] The second vertical clamping cylinder can drive the second clamping plate and the third clamping plate at the same time, press the second crank arm and the transmission gear plate, replace the traditional nut locking to achieve the fastening purpose, and realize the rapid clamping of the second crank arm and the transmission gear. BRIEF DESCRIPTION OF DRAWINGS

[0031] The utility model will be further explained in connection with the drawings.

[0032] Figure 1 It is a circuit breaker rotating shaft schematic diagram;

[0033] Figure 2 It is a two-station robot welding fixture schematic diagram for the circuit breaker rotating shaft of the utility model;

[0034] Figure 3 It is a first clamp schematic diagram;

[0035] Figure 4 It is a second clamp schematic diagram;

[0036] Figure 5 It is a structure diagram between the second horizontal clamping cylinder and the second clamping plate and the third clamping plate;

[0037] Figure 6 It is a connecting rod schematic diagram;

[0038] Among them,

[0039] 1, a first clamp, 11, first support, 12, first bottom plate, 13, first top plate, 14, first support block, 15, first vertical clamping cylinder, 151, first clamping plate, 16, first horizontal clamping cylinder;

[0040] 2, No. 2 clamp, 21, second support, 22, second bottom support plate, 23, second top support plate, 24, gear support plate, 25, second support block, 26, second horizontal clamping cylinder;

[0041] 3, the second vertical clamping cylinder, 31, the second clamping plate, 32, the third clamping plate;

[0042] 4, connecting rod, 41, long slot, 42, upper pin shaft, 43, lower pin shaft, 44, spring;

[0043] 5, rotating table, 51, partition;

[0044] 6, circuit breaker shaft, 61, shaft body, 62, first crank, 63, second crank, 64, transmission gear plate. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely below combined with the drawings. 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 belong to the protection scope of the utility model.

[0046] The application provides a two-station robot welding fixture for circuit breaker shafts, which is described in detail below. It should be noted that the description order of the following embodiments is not limited as the preferred order of the embodiments of the application. In the following embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0047] To solve the technical problem that the existing circuit breaker shaft processing relies too much on manual work, resulting in low production efficiency and unstable product quality, an embodiment of the application provides a two-station robot welding fixture for circuit breaker shafts. The following is a detailed description.

[0048] As shown in Figures 1 to 6 A two-station robot welding fixture for circuit breaker shafts includes a rotating table 5 and a welding robot arm, the rotating table 5 is provided with a No. 1 clamp 1 and a No. 2 clamp 2.

[0049] The No. 1 clamp 1 is suitable for clamping the shaft body 61 and the first crank 62;

[0050] The No. 2 clamp 2 is suitable for clamping the shaft body 61, the second crank 63 and the transmission gear plate 64;

[0051] The rotating table 5 drives the first clamp 1 and the second clamp 2 to rotate to the welding station, and the welding mechanical arm sequentially welds the shaft body 61 and the first crank arm 62 on the first clamp 1, and welds the shaft body 61, the second crank arm 63 and the transmission tooth plate 64 on the second clamp 2.

[0052] Specifically, as an optional embodiment in the embodiment, as shown in Figure 3 The first clamp 1 comprises

[0053] The first support 11 is provided with a first bottom supporting plate 12, a first top supporting plate 13 and a plurality of first supporting blocks 14;

[0054] The first bottom supporting plate 12 is adapted to support the bottom of the shaft body 61, the first top supporting plate 13 is adapted to support the first crank arm 62, and the first supporting block 14 is adapted to support the shaft body 61 horizontally;

[0055] A first vertical clamping cylinder 15 is arranged on the first support 11, and the first vertical clamping cylinder 15 is connected with a first clamping plate 151 and drives the first clamping plate 151 to vertically press the first crank arm 62 on the first top supporting plate 13;

[0056] A first horizontal clamping cylinder 16 is arranged on the first support 11, and the first horizontal clamping cylinder 16 is adapted to horizontally press the shaft body 61 on the first supporting block 14.

[0057] In the embodiment, the first support 11 is a T-shaped structure, and the first bottom supporting plate 12, the first top supporting plate 13 and the first supporting block 14 are fixed transversely on the column of the first support 11, and details are shown in Figure 3 .

[0058] As shown in Figure 3 The first supporting block 14 is above the first bottom supporting plate 12, the number of the first supporting block 14 is two, and a groove is formed on the first supporting block 14 for cooperation with the shaft body 61, and the first top supporting plate 13 is above the first supporting block 14.

[0059] The middle part of the first clamping plate 151 is hinged on the top of the first support 11, the rear end of the first clamping plate 151 is connected with the first vertical clamping cylinder, and the front end of the first clamping plate 151 is adapted to press the first crank arm 62.

[0060] The pressure rod connected with the first horizontal clamping cylinder 16 moves horizontally to horizontally press the shaft body 61 on the first supporting block 14.

[0061] Specifically, as an optional embodiment in the embodiment, as shown in Figures 4 to 6 The second clamp 2 comprises

[0062] The second support 21 is provided with a second bottom supporting plate 22, a second top supporting plate 23, a gear supporting plate 24 and a second supporting block 25;

[0063] The second bottom supporting plate 22 supports the bottom of the shaft body 61, the second top supporting plate 23 is adapted to support the second crank arm 63, the gear supporting plate 24 is adapted to support the transmission gear, and the second supporting block 25 is adapted to support the shaft body 61 horizontally;

[0064] The second vertical clamping cylinder 3 is arranged on the second support 21, and is connected with the second clamping plate 31 and the third clamping plate 32, and drives the second clamping plate 31 to vertically press the second crank arm 63 on the second top supporting plate 23, and drives the third clamping plate 32 to press the transmission gear 64 on the gear supporting plate 24.

[0065] The second horizontal clamping cylinder 26 is arranged on the second support 21, and is adapted to horizontally press the shaft body 61 on the second supporting block 25.

[0066] Specifically, as an optional embodiment in the embodiment, as shown in Figure 5 and Figure 6 The second clamping plate 31 and the third clamping plate 32 are provided with a connecting rod 4, the lower end of the connecting rod 4 is connected with the third clamping plate 32 through a lower pin shaft 43, and the upper end of the connecting rod 4 is connected with the second clamping plate 31 through an upper pin shaft 42.

[0067] The push rod of the second vertical clamping cylinder 3 is connected with the third clamping plate 32, and when the second vertical clamping cylinder 3 drives the third clamping plate 32, the second clamping plate 31 is synchronously pressed through the connecting rod 4.

[0068] In the embodiment, the push rod of the second vertical clamping cylinder 3 is connected with the rear end of the third clamping plate 32, and when the second vertical clamping cylinder 3 drives the third clamping plate 32 to rotate, the second clamping plate 31 is synchronously rotated through the connecting rod 4, so that the transmission gear 64 and the second crank arm 63 are synchronously clamped.

[0069] Specifically, as an optional embodiment in the embodiment, as shown in Figure 6 The upper end of the connecting rod 4 is provided with a long slot 41, the upper pin shaft 42 passes through the long slot 41, and a spring 44 is sleeved outside the connecting rod 4, the upper end of the spring 44 abuts against the second clamping plate 31, and the lower end of the spring 44 abuts against the third clamping plate 32.

[0070] Due to the design of the long groove 41, the abutment of the matching spring 44 makes the second clamp plate 31 have a space for elastic free swing relative to the connecting rod 4, so that the clamping synchronization between the second clamp plate 31 and the third clamp plate 32 is higher, the third clamp plate 32 is directly driven by the second vertical clamping cylinder 3, and the second clamp plate 31 is indirectly driven by the spring 44, so that the second clamp plate 31 is elastically pressed.

[0071] Specifically, as an optional embodiment in the embodiment, a partition plate 51 is arranged on the rotating table 5, and the partition plate 51 is located between the first clamp 1 and the second clamp 2. The two clamps are prevented from affecting each other during welding through the partition plate 51. One clamp is welded, and the other clamp can safely assemble.

[0072] The working process of the two-station robot welding clamp is as follows:

[0073] First, the shaft body 61 and the first crank arm 62 are installed on the first clamp 1 at the assembly station, the first crank arm 62 is sleeved on the upper end of the shaft body 61, the first horizontal clamping cylinder 16 clamps the shaft body 61, the first vertical clamping cylinder 15 presses the first crank arm 62 on the first top supporting plate 13, then the rotating table 5 drives the first clamp 1 to rotate to the welding position, the welding mechanical arm welds the first crank arm 62 and the shaft body 61, after welding is completed, the semi-finished product circuit breaker rotating shaft is removed, the transmission gear plate 64 is sleeved on the shaft body 61, and the second crank arm 63 is sleeved on the other end of the shaft body 61, then the circuit breaker rotating shaft 6 is installed on the second clamp 2, the first crank arm 62 is placed on the second bottom supporting plate 22 of the second clamp 2, the second horizontal clamping cylinder 26 clamps the shaft body 61, the second vertical clamping cylinder 3 controls the action of the second clamp plate 31 and the third clamp plate 32, the second clamp plate 31 elastically presses the second crank arm 63, and the third clamp plate 32 clamps the transmission gear plate 64, after assembly is completed, the second clamp 2 is rotated to the welding position, and the welding mechanical arm welds the second crank arm 63 and the transmission gear plate 64.

[0074] The rotating shaft processed by the two-station robot welding clamp has stable quality and greatly reduced defective rate. Labor intensity and skill are greatly reduced. After the tooling is adopted, the operating personnel only need to assemble parts on one side, do not need to walk and participate in the welding process, so that labor intensity and the labor skill requirement of the station are greatly reduced. The illumination requirement of the traditional welding for the operating site is greatly reduced. The safety hidden danger is eliminated. The operating personnel do not participate in the operating process, and the limbs do not need to enter the equipment operating space in the process.

[0075] Each device (parts without specific structure) selected in the application is a general standard part or a part known by those skilled in the art, and its structure and principle can be known by those skilled in the art through a technical manual or through a conventional experimental method.

[0076] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0077] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0078] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. The device embodiments described above are only schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the displayed or discussed mutual ones can be through some communication interface, indirect coupling or communication connection between the devices or units, which can be electrical, mechanical or other forms.

[0079] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. According to actual needs, part or all of the units can be selected to achieve the purpose of the embodiment scheme.

[0080] In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit.

[0081] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A two-station robot welding fixture for circuit breaker shafts, characterized by, The utility model relates to a two-position robot welding fixture for circuit breaker rotating shaft The rotating table and welding mechanical arm, the rotating table sets up no. The no. 1 clamp (1) is suitable for clamping the shaft body and the first crank arm, The no. 2 clamp (2) is suitable for clamping the shaft body, the second crank arm and the transmission gear plate, The rotating table drives no. 1 clamp (1) and no. 2 clamp (2) to rotate to the welding station respectively, and the welding mechanical arm sequentially welds the shaft body and the first crank arm on no. 1 clamp (1), and welds the shaft body, the second crank arm and the transmission gear plate on no. 2 clamp (2).

2. The two-position robot welding fixture for circuit breaker rotating shaft according to claim 1, wherein The no. 1 clamp (1) comprises The first support (11) is provided with the first bottom supporting plate (12), the first top supporting plate (13) and a plurality of first supporting blocks (14), The first bottom supporting plate (12) is suitable for supporting the bottom of the shaft body, the first top supporting plate (13) is suitable for supporting the first crank arm, and the first supporting block (14) is suitable for supporting the shaft body horizontally, The first vertical clamping cylinder (15) is arranged on the first support (11), and the first vertical clamping cylinder (15) is connected with the first clamping plate (151) and drives the first clamping plate (151) to vertically press the first crank arm on the first top supporting plate (13), The first horizontal clamping cylinder (16) is arranged on the first support (11), and the first horizontal clamping cylinder (16) is suitable for horizontally pressing the shaft body on the first supporting block (14).

3. The two-position robot welding fixture for circuit breaker rotating shaft according to claim 1, wherein The no. 2 clamp (2) comprises The second support (21) is provided with the second bottom supporting plate (22), the second top supporting plate (23), the gear supporting plate (24) and the second supporting block (25), The second bottom supporting plate (22) supports the bottom of the shaft body, the second top supporting plate (23) is suitable for supporting the second crank arm, the gear supporting plate (24) is suitable for supporting the transmission gear, and the second supporting block (25) is suitable for supporting the shaft body horizontally, The second vertical clamping cylinder (3) is arranged on the second support (21), and the second vertical clamping cylinder (3) is connected with the second clamping plate (31) and the third clamping plate (32) and drives the second clamping plate (31) to vertically press the second crank arm on the second top supporting plate (23) and drives the third clamping plate (32) to press the transmission gear plate on the gear supporting plate (24), The second horizontal clamping cylinder (26) is arranged on the second support (21), and the second horizontal clamping cylinder (26) is suitable for horizontally pressing the shaft body on the second supporting block (25).

4. The two-position robot welding fixture for circuit breaker rotating shaft according to claim 3, wherein The connecting rod (4) is connected with the third clamping plate (32) through a lower pin shaft (43) at the lower end, and connected with the second clamping plate (31) through an upper pin shaft (42) at the upper end; The push rod of the second vertical clamping cylinder (3) is connected with the third clamping plate (32), and when the second vertical clamping cylinder (3) pushes the third clamping plate (32), the second clamping plate (31) is driven by the connecting rod (4) to be pressed synchronously.

5. The two-position robot welding fixture for the shaft of a circuit breaker according to claim 4, characterized in that, The upper end of the connecting rod (4) is provided with a long slot (41), the upper pin shaft (42) passes through the long slot (41), and a spring (44) is sleeved outside the connecting rod (4), the upper end of the spring (44) abuts against the second clamping plate (31), and the lower end of the spring (44) abuts against the third clamping plate (32).

6. The two-position robot welding fixture for the shaft of a circuit breaker according to claim 1, characterized in that, A partition plate is arranged on the rotating table and located between the first fixture (1) and the second fixture (2).

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