Standard double-base pneumatic spot welding positioning device

Abstract

The utility model relates to a standard double-base pneumatic spot welding positioning device, which is characterized in that two ISO standard hole top plates are combined to form a welding double base, and the device comprises a fixed seat, a quick clamp mechanism arranged above the fixed seat and a pneumatic locking mechanism connected with the fixed seat and the double bases; the fixing base, the quick clamp mechanism and the pneumatic locking mechanism are assembled into a welding tool platform, and the quick clamp mechanism is used for fixing side plates of double bases. The pneumatic locking mechanism comprises a first pneumatic locking mechanism and a second pneumatic locking mechanism which are respectively used for fixing the double-base top plate and positioning the connecting rib plate between the double bases. Compared with the prior art, the utility model adopts the rotary corner pressing cylinder to complete 90-degree rotary fastening or loosening of the double-base top plate and the parallel clamping jaw cylinder to push and loosen the connecting rib plate in parallel, so as to ensure that the angle square of each part is mounted in place, effectively shorten the assembly time, improve the production efficiency and realize automatic and high-efficiency spot assembly welding.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spot welding device, especially a standard double-base pneumatic spot welding positioning device. BACKGROUND

[0002] In the traditional spot welding process, the following problems often occur: 1. The ISO standard hole top plate needs to be manually installed in a 90° right-angle module, and then a pressing plate is rotated by 90° and manually tightened with a butterfly nut, which is not only time-consuming but also labor-intensive; 2. When two reinforcing rib plates are spot welded, manual placement can easily lead to poor adhesion of the rib plates, causing misalignment with the top plate and affecting the welding quality; 3. When the other long side plate is spot welded, due to thermal expansion and contraction caused by spot welding and other reasons such as part misalignment, the workpiece may not be removed, resulting in low production efficiency.

[0003] Therefore, there is an urgent need to design an automatic and efficient spot welding device. SUMMARY

[0004] The utility model discloses a standard double-base pneumatic spot welding positioning device to overcome the defects of the prior art, effectively solve the problems of time-consuming and labor-intensive, poor component adhesion and low production efficiency in the prior art, and realize automatic and efficient spot welding.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] The utility model provides a standard double-base pneumatic spot welding positioning device for fixing double bases, comprising a fixed seat, a quick clamp mechanism arranged above the fixed seat, and a pneumatic locking mechanism connecting the fixed seat and the double bases.

[0007] The fixed seat, the quick clamp mechanism and the pneumatic locking mechanism are assembled into a welding tool platform, and the quick clamp mechanism is used to fix the side plates of the double bases.

[0008] The pneumatic locking mechanism comprises a first pneumatic locking mechanism and a second pneumatic locking mechanism, the first pneumatic locking mechanism is used to fix the top plates of the double bases, and the second pneumatic locking mechanism is used to position the connecting rib plates in the middle of the double bases.

[0009] The standard double base mentioned in the utility model is composed of two side plates, two top plates and two connecting rib plates.

[0010] Further, the fixed seat comprises a fixed seat top plate, a stand and a cylinder fixing bracket, the fixed seat top plate and the stand are fixedly connected in a perpendicular manner, and the cylinder fixing bracket is fixedly installed at the center of the lower surface of the fixed seat top plate.

[0011] Further, the fixing base further comprises a stopper, which is arranged on one side of the upper surface of the top plate of the fixing base, and is used for positioning one side plate of the double base.

[0012] Preferably, the stopper is at least two.

[0013] Further, the fixing base further comprises a plurality of center fixing modules, which are used for fixing the top plate of the double base.

[0014] Further, the quick clamp mechanism comprises a quick clamp fixing base and a quick clamp, the quick clamp fixing base is installed on the side of the upper surface of the top plate of the fixing base, and the quick clamp is fixedly installed on the quick clamp fixing base and is used for fixing the side plate of the double base.

[0015] Preferably, the quick clamp mechanism is at least four.

[0016] Preferably, the quick clamp is a push-pull clamp.

[0017] Further, the first pneumatic locking mechanism comprises a first air cylinder, a second air cylinder, a first connecting air pipe, a first pneumatic hand plate valve and a pressing plate, the first air cylinder and the second air cylinder are connected with the first pneumatic hand plate valve through the first connecting air pipe, the piston rods of the first air cylinder and the second air cylinder are connected with the pressing plate, and the pressing plate is used for fixing the top plate of the double base.

[0018] Further, the second pneumatic locking mechanism comprises a parallel jaw air cylinder, a second connecting air pipe, a second pneumatic hand plate valve and parallel limiting plates, the parallel jaw air cylinder is connected with the second pneumatic hand plate valve through the second connecting air pipe, two pistons of the parallel jaw air cylinder are connected with two jaws, the two jaws move in an axial and concentric manner, each jaw is connected with a parallel limiting plate, the piston of the parallel jaw air cylinder drives the two jaws to move horizontally at the same time, and then drives the parallel limiting plates to move horizontally at the same time, and the parallel limiting plates are used for positioning the connecting rib plate in the middle of the double base.

[0019] Further, the two parallel limiting plates are connected through two springs, and the springs play a limiting and resetting role.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] (1) The standard double-base pneumatic point assembly welding device provided by the utility model improves the traditional point assembly mode of manually fastening the top plate and the support point assembly rib plate into a mode of using a rotary angle down pressure cylinder to complete 90° rotary fastening or loosening of the double-base top plate and parallel jaw cylinder parallel pushing to loosen the connecting rib plate, ensures that each component installation angle is in place, effectively shortens the assembly time, thereby reducing the labor intensity of the operator, improving the production efficiency, and realizing automatic and high-efficiency point assembly welding.

[0022] (2) The utility model discloses a combination of automation and pneumatic technology, simplifies the technological process, reduces manual operation, and solves the problem of poor fit of each component caused by manual operation and the problem of workpiece shrinkage. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a structure diagram of the standard double-base pneumatic point assembly welding device of the utility model;

[0024] Fig. 2 It is a structure diagram of the bottom of the standard double-base pneumatic point assembly welding device of the utility model.

[0025] The names corresponding to the reference signs in the drawings are:

[0026] 1-fixed seat top plate, 2-stand, 3-cylinder fixing frame, 4-first cylinder, 5-second cylinder, 6-parallel jaw cylinder, 7-first connecting air pipe, 8-fast clamping jaw fixing seat, 9-fast clamping jaw, 10-first pneumatic hand plate valve, 11-second connecting air pipe, 12-second pneumatic hand plate valve, 13-pressing plate, 14-spring, 15-stop block, 16-center fixing module, 17-double-base top plate, 18-side plate, 19-double-base connecting rib plate, 20-parallel limiting plate. DETAILED DESCRIPTION

[0027] The utility model will be described in detail in combination with the drawings and specific embodiments. The following embodiments are implemented on the premise of the above technical solutions of the utility model, and detailed implementation modes and specific operation processes are given, but the protection scope of the utility model is not limited to the following embodiments.

[0028] In the description of the utility model, 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, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0029] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the present application, the meaning of "a plurality of", "several" is two or more than two, unless otherwise explicitly specified.

[0031] In the following embodiments or examples, if there is no special description of the function parts or structures, it is indicated that they are all conventional parts or conventional structures adopted in the field to realize the corresponding functions.

[0032] Example 1

[0033] As shown in Figs. 1-2 A standard double-base pneumatic point welding positioning device for fixing double base, comprising a fixed seat, a quick clamp mechanism arranged above the fixed seat and a pneumatic locking mechanism connecting the fixed seat and the double base, the fixed seat, the quick clamp mechanism and the pneumatic locking mechanism are assembled into a welding tool platform, the quick clamp mechanism is used for fixing the side plate 18 of the double base, the pneumatic locking mechanism comprises a first pneumatic locking mechanism and a second pneumatic locking mechanism, the first pneumatic locking mechanism is used for fixing the top plate 17 of the double base, and the second pneumatic locking mechanism is used for positioning the connecting rib plate 19 in the middle of the double base.

[0034] Specifically, the fixed seat comprises a fixed seat top plate 1, a column 2, a cylinder fixing frame 3 and a stop block 15, the fixed seat top plate 1 is fixedly connected with the column 2 in a perpendicular manner, the cylinder fixing frame 3 is fixedly installed on the lower surface of the fixed seat top plate 1, the stop block 15 is arranged on one side of the upper surface of the fixed seat top plate 1, and the stop block 15 is used for positioning one of the side plates 18 of the double base.

[0035] In this embodiment, the stop block 15 has two.

[0036] In this embodiment, the fixed seat further comprises four center fixing modules 16, and each two center fixing modules 16 fix one double base top plate 17.

[0037] Specifically, the quick clamping mechanism comprises a quick clamping fixing seat 8 and a quick clamping 9, the quick clamping fixing seat 8 is installed on the side of the upper surface of the fixing seat top plate 1, and the quick clamping 9 is fixedly installed on the quick clamping fixing seat 8 and used for fixing the side plate 18 of the double base.

[0038] In the embodiment, the quick clamping mechanism has four.

[0039] In the embodiment, the quick clamping 9 is a push-pull type clamp.

[0040] Specifically, the first pneumatic locking mechanism comprises a first air cylinder 4, a second air cylinder 5, a first connecting air pipe 7, a first pneumatic hand plate valve 10 and a pressing plate 13, the first air cylinder 4 and the second air cylinder 5 are connected with the first pneumatic hand plate valve 10 through the first connecting air pipe 7, and the piston rods of the first air cylinder 4 and the second air cylinder 5 are both connected with the pressing plate 13, when the first air cylinder 4 and the second air cylinder 5 complete 90° rotation and fall, the pressing plate 13 rotates and falls to press the double base top plate 17.

[0041] Specifically, the second pneumatic locking mechanism comprises a parallel jaw air cylinder 6, a second connecting air pipe 11, a second pneumatic hand plate valve 12 and a parallel limiting plate 20, the parallel jaw air cylinder 6 is connected with the second pneumatic hand plate valve 12 through the second connecting air pipe 11, two pistons of the parallel jaw air cylinder 6 are connected with the jaws, the two jaws move in an axial and concentric manner, each jaw is connected with a parallel limiting plate 20, the piston of the parallel jaw air cylinder drives the two jaws to move horizontally at the same time, and in turn drives the parallel limiting plate 20 to move horizontally at the same time, and the parallel limiting plate 20 is used for positioning the connecting rib plate 19 in the middle of the double base.

[0042] It should be noted that the parallel jaw air cylinder 6 realizes the opening and closing of the jaws through the action of two pistons, each piston is connected with the jaw through a roller and a double crank, the two jaws always move in an axial and concentric manner, each jaw cannot be moved alone, and each jaw is fixedly connected with a parallel limiting plate 20.

[0043] In the embodiment, the two parallel limiting plates 20 are connected through two springs 14, and the springs 14 play a limiting and resetting role.

[0044] Working principle: the utility model discloses in use, first, the fixed seat and quick clamp mechanism are assembled into a welding tooling platform, then, first pneumatic locking mechanism and second pneumatic locking mechanism are installed on cylinder fixing frame 3 respectively. Again, two double-base top plates 17 are placed on fixed seat top plate 1 respectively, and are fixed with center fixed module 16, then, first pneumatic hand plate valve 10 is actuated to make compressed air enter first cylinder 4 and second cylinder 5 along first connecting air pipe 7, and first cylinder 4 and second cylinder 5 complete 90 ° rotation and fall, and pressing plate 13 falls and rotates and presses two double-base top plates 17. Then, one side plate 18 of double base is placed close to baffle 15, and second pneumatic hand plate valve 12 is actuated to make compressed air enter parallel clamp cylinder 6 along second connecting air pipe 11, and parallel clamp cylinder 6 drives two parallel limit plates 20 to move to both sides and complete the close positioning of connecting rib plate 19 in double base, and the other side plate 18 of double base is placed at the specified position, and four quick clamp chuck are pushed tightly, and then spot welding is started. After welding, two pneumatic hand plate valves are actuated, and compressed air is discharged, so that pressing plate 13 rises and releases double-base top plate 17, and parallel limit plate 20 releases double-base connecting rib plate 19, and four quick clamp chuck are loosened, and finally, standard double base is taken out, and the whole spot welding work is completed.

[0045] In the application, the standard double base is composed of two side plates 18, two top plates and two connecting rib plates.

[0046] In the application, the first cylinder 4 and the second cylinder 5 are completely same in model, and are both rotary angle down pressure cylinders, and work synchronously.

[0047] The pneumatic spot welding device in the application can be used for connecting the standard double base of container with different center distances.

[0048] The above description of the embodiments is for facilitating the ordinary skilled person in the art to understand and use the utility model. The person skilled in the art can obviously easily make various modifications to these embodiments, and apply the general principles described herein to other embodiments without creative labor. Therefore, the utility model is not limited to the above embodiments, and the improvements and modifications made by the person skilled in the art without departing from the scope of the utility model should be within the protection scope of the utility model.

Claims

1. A standard double-base pneumatic spot welding positioning device for fixing double bases, characterized in that, The device comprises a fixed base, a quick clamp mechanism arranged above the fixed base, and a pneumatic locking mechanism connecting the fixed base and the double base; The fixed base, the quick clamp mechanism, and the pneumatic locking mechanism are assembled into a welding tool platform, and the quick clamp mechanism is used to fix the side plates (18) of the double base; The pneumatic locking mechanism comprises a first pneumatic locking mechanism and a second pneumatic locking mechanism, the first pneumatic locking mechanism is used to fix the top plate (17) of the double base, and the second pneumatic locking mechanism is used to position the connecting rib plate (19) in the middle of the double base.

2. A standard dual pedestal pneumatic point welding fixture as claimed in claim 1, wherein, The fixed base comprises a fixed base top plate (1), a stand (2), and a cylinder fixing frame (3), the fixed base top plate (1) is fixedly connected with the stand (2) in a perpendicular manner, and the cylinder fixing frame (3) is fixedly installed on the central part of the lower surface of the fixed base top plate (1).

3. A standard dual pedestal pneumatic point welding fixture as defined in claim 2 wherein, The fixed base further comprises a stop block (15) arranged on one side of the upper surface of the fixed base top plate (1), and the stop block (15) is used to position one of the side plates (18) of the double base.

4. A standard dual pedestal pneumatic point welding fixture as claimed in claim 3, wherein, The stop block (15) has at least two.

5. A standard dual pedestal pneumatic point welding fixture as defined in claim 2 wherein, The fixed base further comprises a plurality of center fixing modules (16) used to fix the top plate (17) of the double base.

6. A standard dual pedestal pneumatic point welding fixture as defined in claim 2 wherein, The quick clamp mechanism comprises a quick clamp fixing base (8) and a quick clamp (9), the quick clamp fixing base (8) is installed on the side edge of the upper surface of the fixed base top plate (1), the quick clamp (9) is fixedly installed on the quick clamp fixing base (8), and the quick clamp (9) is used to fix the side plates (18) of the double base.

7. A standard dual pedestal pneumatic point welding fixture as defined in claim 6 wherein, The quick clamp mechanism has at least four.

8. A standard dual pedestal pneumatic point welding fixture as defined in claim 6 wherein, The quick clamp (9) is a push-pull clamp.

9. A standard dual pedestal pneumatic point welding fixture as defined in claim 1 wherein, The first pneumatic locking mechanism comprises a first cylinder (4), a second cylinder (5), a first connecting air pipe (7), a first pneumatic hand plate valve (10), and a pressing plate (13), the first cylinder (4) and the second cylinder (5) are connected with the first pneumatic hand plate valve (10) through the first connecting air pipe (7), the piston rods of the first cylinder (4) and the second cylinder (5) are both connected with the pressing plate (13), and the pressing plate (13) is used to fix the top plate (17) of the double base.

10. A standard dual pedestal pneumatic tack weld positioning device as defined in claim 1 wherein, The second pneumatic locking mechanism comprises a parallel jaw cylinder (6), a second connecting air pipe (11), a second pneumatic hand plate valve (12), parallel limiting plates (20), and springs (14), the parallel jaw cylinder (6) is connected with the second pneumatic hand plate valve (12) through the second connecting air pipe (11), the two pistons of the parallel jaw cylinder (6) are connected with the jaws, the two jaws move in an axial and concentric manner, each jaw is connected with a parallel limiting plate (20), the two parallel limiting plates (20) are connected through the springs (14), and the parallel limiting plates (20) are used to position the connecting rib plate (19) in the middle of the double base.

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