Rotating shaft spot welding fixture

Abstract

The utility model relates to a rotating shaft spot welding fixture, including a base, an axis fixture, multiple plate fixtures and at least one push-pull mechanism; the axis fixture, plate fixture and push-pull mechanism are all arranged on the base; the push-pull mechanism connects multiple plate fixtures and is suitable for driving each plate fixture to perform opening, closing and clamping actions; the axis fixture is suitable for axially clamping and fixing the shaft. The rotating shaft spot welding fixture of the utility model has stable quality, greatly reduced defective rate, greatly reduced labor intensity and skills. After adopting the tooling, the operator only needs to assemble the parts without participating in the welding process, which greatly reduces the labor intensity and labor skill requirements of the workstation, greatly reduces the lighting requirements of the traditional welding on the work site, and eliminates safety hazards.

Description

Technical Field

[0001] The utility model relates to the field of tooling fixtures, in particular to a rotating shaft spot welding fixture. Background Art

[0002] like Figure 1 The shown rotating shaft for the circuit breaker includes a shaft and a plurality of plates, each of which needs to be welded on the shaft according to a set position. Currently, the welding process of the rotating shaft mainly relies on manual labor, which has the following problems:

[0003] 1. Low efficiency: The existing technology relies on manual operation, the preparation time before welding is long, and each fixed point needs to be tightened and confirmed manually by the operator. This is extremely disadvantageous in large-scale production.

[0004] 2. Poor consistency: Since it is a manual operation, it is difficult to ensure the precise positioning and consistency of the welds for each welding, which directly affects the quality and appearance of the product.

[0005] 3. High labor intensity: Existing process technology requires a lot of physical labor, and long-term work can easily lead to worker fatigue, affecting production efficiency and health.

[0006] 4. Safety risks: During the operation of existing technologies, harmful gases, strong light, high temperature, etc. will be generated, posing a threat to the health of operators and causing occupational hazards. Utility Model Content

[0007] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a rotating shaft spot welding fixture to solve the problem of low welding clamping efficiency for rotating shafts used for circuit breakers.

[0008] The technical solution adopted by the utility model to solve its technical problems is:

[0009] A rotating shaft spot welding fixture is provided, comprising:

[0010] a base, an axle fixture, a plurality of plate fixtures, and at least one push-pull mechanism;

[0011] The shaft fixture, plate fixture and push-pull mechanism are all arranged on the base;

[0012] The push-pull mechanism is connected to a plurality of plate clamps and is suitable for driving each plate clamp to perform opening, closing and clamping actions;

[0013] The shaft clamp is suitable for axially clamping and fixing the shaft member.

[0014] Furthermore, the shaft clamp includes

[0015] A pair of end seats and a quick clamp, the two end seats are fixedly arranged on the base, the quick clamp is installed on one of the end seats, and the quick clamp is connected to the top block;

[0016] One end of the shaft member abuts against the top block, and the other end abuts against the end seat. The quick clamp clamps the shaft member between the two end seats via the top block.

[0017] Furthermore, positioning grooves for cooperating with the shaft member are provided on the end seat and the top block that abut against the shaft member.

[0018] Furthermore, the plate fixture comprises

[0019] A clamping seat and a pressing plate, wherein a clamping groove for clamping a plate is formed between the clamping seat and the pressing plate, the clamping seat is fixedly arranged on the base, and the pressing plate is slidably arranged on the clamping seat;

[0020] The push-pull mechanism passes through the clamp seat and is connected to the pressing plate to drive the pressing plate to open, close and clamp.

[0021] Furthermore, the push-pull mechanism includes

[0022] Cylinder, push-pull rod, compression spring and adjusting nut;

[0023] The cylinder is fixedly arranged, one end of the push-pull rod is connected to the cylinder push rod, and the other end of the push-pull rod passes through the clamp seat, the pressure plate, the compression spring in sequence and then is connected to the adjusting nut;

[0024] When the cylinder drives the push-pull rod to move forward, the clamping slot opens; when the cylinder drives the push-pull rod to move backward, the clamping slot closes.

[0025] Furthermore, a threaded section is arranged on the push-pull rod, and the adjusting nut is arranged on the threaded section. The adjusting nut is suitable for adjusting the clamping force of the pressure plate on the plate in the clamping groove.

[0026] Furthermore, a return spring is arranged between the clamp seat and the pressure plate, and the return spring is sleeved on the push-pull rod.

[0027] Furthermore, the compression spring is a rectangular spring.

[0028] Furthermore, a slide bar is arranged on the clamp seat, and a slide hole is provided on the pressure plate, and the slide hole of the pressure plate cooperates with the slide bar to guide the pressure plate to translate on the clamp seat.

[0029] Further, each plate fixture is divided into two groups on the base;

[0030] There are two push-pull mechanisms, namely a first push-pull mechanism and a second push-pull mechanism;

[0031] The first push-pull mechanism is connected to each plate fixture in the first set of plate fixtures to drive each plate fixture in the first set of plate fixtures to perform synchronous actions;

[0032] The second push-pull mechanism is connected to each plate fixture in the second group of plate fixtures to drive each plate fixture in the second group of plate fixtures to perform synchronous action.

[0033] The beneficial effects of the utility model are:

[0034] The shaft spot welding fixture of the utility model has stable quality, greatly reduced defective rate, greatly reduced labor intensity and skills. After adopting the tooling, operators only need to assemble parts and do not need to participate in the welding process, which greatly reduces the labor intensity and labor skill requirements of the work station, greatly reduces the lighting requirements of traditional welding for the work site, and eliminates safety hazards. By combining the tooling with automated equipment, operators do not participate in the operation process, and their limbs do not need to enter the equipment operating space during the process. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The utility model is further described below in conjunction with the accompanying drawings.

[0036] Figure 1 It is a schematic diagram of the rotating shaft;

[0037] Figure 2 It is a schematic diagram of the rotating shaft spot welding fixture of the utility model;

[0038] Figure 3 It is a schematic diagram of the rotating shaft spot welding fixture of the utility model during operation;

[0039] Figure 4 It is a schematic diagram of the push-pull mechanism;

[0040] Figure 5 It is the coordination diagram between the push-pull mechanism and the plate fixture;

[0041] Figure 6 is a schematic diagram of a single plate fixture;

[0042] Among them, 11, shaft member, 12, plate member;

[0043] 2. Shaft clamp, 21. End seat, 22. Quick clamp, 23. Top block, 24. Positioning groove;

[0044] 3. plate clamp, 31. clamp seat, 32. pressing plate, 33. sliding rod;

[0045] 4. Push-pull mechanism, 41. Cylinder, 42. Push-pull rod, 43. Compression spring, 44. Adjusting nut, 45. Return spring. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0047] The present application provides a rotating shaft spot welding fixture, which is described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0048] In order to solve the technical problem of low efficiency in welding and clamping of a rotating shaft for a circuit breaker in the prior art, an embodiment of the present application provides a rotating shaft spot welding fixture, which is described in detail below.

[0049] like Figures 1 to 6 As shown, a rotating shaft spot welding fixture includes

[0050] A base, a shaft fixture 2, a plurality of plate fixtures 3 and at least one push-pull mechanism 4;

[0051] The shaft fixture 2, the plate fixture 3 and the push-pull mechanism 4 are all arranged on the base;

[0052] The push-pull mechanism 4 is connected to a plurality of plate clamps 3 and is suitable for driving each plate clamp 3 to perform opening, closing and clamping actions;

[0053] The shaft clamp 2 is suitable for axially clamping and fixing the shaft member 11 .

[0054] Specifically, as an optional implementation in this embodiment, Figures 2 to 6 As shown, the shaft clamp 2 includes

[0055] A pair of end seats 21 and a quick clamp 22, the two end seats 21 are fixedly arranged on the base, the quick clamp 22 is installed on one of the end seats 21, and the quick clamp 22 is connected to the top block 23;

[0056] One end of the shaft member 11 abuts against the top block 23 , and the other end abuts against the end seat 21 . The quick clamp 22 clamps the shaft member 11 between the two end seats 21 via the top block 23 .

[0057] Specifically, as an optional implementation in this embodiment, Figure 2 As shown, positioning grooves 24 for cooperating with the shaft member 11 are provided on the end seat 21 abutting against the shaft member 11 and on the top block 23 .

[0058] Working principle of the shaft clamp 2: one end of the shaft 11 is inserted into the positioning groove 24 of the end seat 21, and the other end of the shaft 11 is aligned with the positioning groove 24 of the top block 23, and then the quick clamp 22 is locked to make the positioning groove 24 of the top block 23 cooperate with the shaft 11, and the shaft 11 is axially clamped between the two end seats 21.

[0059] Specifically, as an optional implementation in this embodiment, Figures 2 to 6 As shown, the plate fixture 3 includes

[0060] A clamping seat 31 and a pressing plate 32, wherein a clamping groove for clamping the plate 12 is formed between the clamping seat 31 and the pressing plate 32, the clamping seat 31 is fixedly arranged on the base, and the pressing plate 32 is slidably arranged on the clamping seat 31;

[0061] The push-pull mechanism 4 passes through the clamp seat 31 and is connected to the pressing plate 32 to drive the pressing plate 32 to open, close and clamp.

[0062] According to the actual shape of the plate 12 and the installation angle of the plate 12 on the perimeter, the shape of each plate fixture 3 will be adjusted accordingly.

[0063] In this embodiment, a positioning pin is further provided on the clamp seat 31 , and the positioning pin cooperates with a positioning hole on the plate 12 , thereby limiting the installation angle of the plate 12 .

[0064] Specifically, as an optional implementation in this embodiment, Figure 4 Figure 5 As shown, the push-pull mechanism 4 includes

[0065] Cylinder 41, push-pull rod 42, compression spring 43 and adjustment nut 44;

[0066] The cylinder 41 is fixedly arranged, one end of the push-pull rod 42 is connected to the push rod of the cylinder 41, and the other end of the push-pull rod 42 passes through the clamp seat 31, the pressure plate 32, the compression spring 43 in sequence and then connects to the adjustment nut 44;

[0067] When the cylinder 41 drives the push-pull rod 42 to move forward, the clamping groove opens, and when the cylinder 41 drives the push-pull rod 42 to move backward, the clamping groove closes.

[0068] As a preferred embodiment of the present invention, in order to facilitate the adjustment of the tightness of the pressure plate 32, a threaded section is provided on the push-pull rod 42, and the adjusting nut 44 is provided on the threaded section. The adjusting nut 44 is suitable for adjusting the clamping force of the pressure plate 32 on the plate 12 in the clamping groove.

[0069] As a preferred embodiment of the present invention, in order to facilitate rapid release of the pressing plate 32 , a return spring 45 is provided between the clamp seat 31 and the pressing plate 32 , and the return spring 45 is sleeved on the push-pull rod 42 .

[0070] As a preferred embodiment of this embodiment, the compression spring 43 is a rectangular spring.

[0071] Specifically, as an optional implementation in this embodiment, Figure 2 and Figure 3 As shown, a slide bar 33 is disposed on the clamp seat 31 , and a slide hole is provided on the pressing plate 32 . The slide hole of the pressing plate 32 cooperates with the slide bar 33 to guide the pressing plate 32 to translate on the clamp seat 31 .

[0072] The pressing plate 32 cooperates with the clamping seat 31 through the sliding rod 33 , so that the pressing plate 32 can be better guided to move in translation, thereby achieving stable clamping of the plate 12 .

[0073] Specifically, as an optional implementation in this embodiment, Figure 2 Figure 3 As shown, each plate fixture 3 is divided into two groups on the base;

[0074] There are two push-pull mechanisms 4, namely a first push-pull mechanism 4 and a second push-pull mechanism 4;

[0075] The first push-pull mechanism 4 is connected to each plate fixture 3 in the first set of plate fixtures to drive each plate fixture 3 in the first set of plate fixtures to perform synchronous actions;

[0076] The second push-pull mechanism 4 is connected to each plate fixture 3 in the second group of plate fixtures to drive each plate fixture 3 in the second group of plate fixtures to perform synchronous actions.

[0077] In this embodiment, three sets of return springs 45, clamping springs 43 and adjusting nuts 44 are installed on the push-pull rod 42 of a single push-pull mechanism 4; that is, when the push-pull rod 42 moves axially, it can synchronously drive the three pressure plates 32 to perform a clamping action.

[0078] The rotating shaft includes a shaft member 11 and six plate members 12 , and the three push-pull mechanisms 4 are responsible for clamping the three plate members 12 .

[0079] Working principle of the rotating shaft spot welding fixture: first, each plate 12 is sleeved on the shaft 11, and then the shaft clamp 2 clamps the shaft 11, and then each plate 12 is moved to the clamping groove of the corresponding plate clamp 3, and the plate 12 is restricted from rotating in the clamping groove by the limit pin, and the corresponding cylinder 41 is started to drive the push-pull rod 42 to move axially, thereby clamping the plate 12. After the shaft 11 and the plate 12 are clamped, the subsequent welding operation can be started.

[0080] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0081] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0082] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0083] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0084] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0085] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0086] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A rotating shaft spot welding fixture, characterized in that it includes A base, an axis clamp (2), a plurality of plate clamps (3) and at least one push-pull mechanism (4); The shaft clamp (2), the plate clamp (3) and the push-pull mechanism (4) are all arranged on a base; The push-pull mechanism (4) is connected to a plurality of plate clamps (3) and is suitable for driving each plate clamp (3) to perform opening, closing and clamping actions; The shaft clamp (2) is suitable for axially clamping and fixing the shaft member (11).

2. The rotating shaft spot welding fixture according to claim 1 is characterized in that: The shaft clamp (2) comprises A pair of end seats (21) and a quick clamp (22), the two end seats (21) are fixedly arranged on the base, the quick clamp (22) is installed on one of the end seats (21), and the quick clamp (22) is connected to the top block (23); One end of the shaft member (11) abuts against the top block (23), and the other end abuts against the end seat (21). The quick clamp (22) clamps the shaft member (11) between the two end seats (21) via the top block (23).

3. The rotating shaft spot welding fixture according to claim 2 is characterized in that: A positioning groove (24) for matching with the shaft member (11) is provided on the end seat (21) abutting against the shaft member (11) and on the top block (23).

4. The rotating shaft spot welding fixture according to claim 2 is characterized in that: The plate fixture (3) comprises A clamping seat (31) and a pressing plate (32), wherein a clamping groove for clamping the plate (12) is formed between the clamping seat (31) and the pressing plate (32), the clamping seat (31) is fixedly arranged on the base, and the pressing plate (32) is slidably arranged on the clamping seat (31); The push-pull mechanism (4) passes through the clamp seat (31) and is connected to the pressing plate (32) to drive the pressing plate (32) to open, close and clamp.

5. The rotating shaft spot welding fixture according to claim 4 is characterized in that: The push-pull mechanism (4) comprises Cylinder (41), push-pull rod (42), compression spring (43) and adjustment nut (44); The cylinder (41) is fixedly arranged, one end of the push-pull rod (42) is connected to the push rod of the cylinder (41), and the other end of the push-pull rod (42) passes through the clamp seat (31), the pressure plate (32), the compression spring (43) in sequence and then is connected to the adjustment nut (44); When the cylinder (41) drives the push-pull rod (42) to move forward, the clamping groove opens; when the cylinder (41) drives the push-pull rod (42) to move backward, the clamping groove closes.

6. The rotating shaft spot welding fixture according to claim 5 is characterized in that: The push-pull rod (42) is provided with a threaded section, and the adjusting nut (44) is provided on the threaded section. The adjusting nut (44) is suitable for adjusting the clamping force of the pressure plate (32) on the plate (12) in the clamping groove.

7. The rotating shaft spot welding fixture according to claim 5 is characterized in that: A return spring (45) is arranged between the clamp seat (31) and the pressure plate (32), and the return spring (45) is sleeved on the push-pull rod (42).

8. The rotating shaft spot welding fixture according to claim 5, characterized in that: The compression spring (43) is a rectangular spring.

9. The rotating shaft spot welding fixture according to claim 4, characterized in that: A sliding rod (33) is arranged on the clamp seat (31), and a sliding hole is provided on the pressing plate (32). The sliding hole of the pressing plate (32) cooperates with the sliding rod (33) to guide the pressing plate (32) to translate on the clamp seat (31).

10. The rotating shaft spot welding fixture according to claim 4, characterized in that: Each plate fixture (3) is divided into two groups on the base; The push-pull mechanisms (4) are two in number, namely a first push-pull mechanism (4) and a second push-pull mechanism (4); The first push-pull mechanism (4) is connected to each plate fixture (3) in the first set of plate fixtures to drive each plate fixture (3) in the first set of plate fixtures to perform synchronous movements; The second push-pull mechanism (4) is connected to each plate clamp (3) in the second group of plate clamps to drive each plate clamp (3) in the second group of plate clamps to perform synchronous movement.

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