Welding and fixing device for trunk hinge

Abstract

The utility model relates to a trunk hinge welding and fixing device, which comprises a welding bottom plate, a fixing plate and a fixing plate, the first clamping device is arranged on the welding bottom plate and used for positioning and clamping one end of the hinge rod; the middle clamping device is arranged on the welding bottom plate, located on one side of the first clamping device and used for positioning and clamping the hinge rod; the supporting seats are arranged on the welding bottom plate, are arranged along the hinge rods and are used for supporting the hinge rods; the positioning columns are arranged on the welding bottom plate and located on the two sides of the hinge rod; the second clamping device is arranged on the welding bottom plate and used for clamping the other end of the hinge rod; the third clamping device is arranged on one side of the welding hole and used for inserting the hinge base into the hinge rod and positioning and clamping the hinge base. The device not only can accurately position the hinge rod and the hinge seat, but also can ensure that the positions of the hinge rod and the hinge seat are not changed during welding, so that the influence caused by welding deformation is effectively reduced, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to a welding and fixing tool, in particular to a luggage case hinge welding and fixing device. Background Art

[0002] like Fig.10 The luggage hinge shown in the figure requires the hinge rod and the hinge seat to be welded together. The hinge rod is formed by bending a square tube, and the hinge seat is formed by stamping a plate and is U-shaped as a whole. The hinge seat is inserted into one end of the hinge rod, and then the hinge seat is welded to the end of the hinge rod. When welding, the hinge rod and the hinge seat need to be positioned, and there are size requirements, otherwise the size of the welded luggage hinge will be inconsistent, affecting the quality of the luggage. At present, the elbow clamp is mainly used to fix the hinge rod and the hinge seat. The elbow clamp is inconvenient to use, time-consuming and labor-intensive, and the clamping force is small, and the deformation of the welding cannot be controlled. Utility Model Content

[0003] In order to solve the problems that the above-mentioned fixing tool is inconvenient to use, inefficient and cannot effectively control welding deformation, the utility model provides a luggage hinge welding fixing device, and the specific technical solution is as follows:

[0004] A luggage case hinge welding and fixing device comprises: a welding base plate provided with a welding hole for welding; a first clamping device provided on the welding base plate and used to position and clamp one end of a hinge rod; an intermediate clamping device provided on the welding base plate and located on one side of the first clamping device and used to position and clamp the hinge rod; a plurality of support seats provided on the welding base plate and arranged along the hinge rod and used to support the hinge rod; a plurality of positioning columns provided on the welding base plate and located on both sides of the hinge rod; a second clamping device provided on the welding base plate and used to clamp the other end of the hinge rod; and a third clamping device provided on one side of the welding hole and used to insert the hinge seat onto the hinge rod and to position and clamp the hinge seat.

[0005] Preferably, the first clamping device includes: a first rotary clamping cylinder, which is arranged on the welding base plate; and a first positioning device, which is arranged on the welding base plate and is opposite to the first rotary clamping cylinder and is used to position the hinge rod, and the first rotary clamping cylinder is used to press one end of the hinge rod onto the first positioning device.

[0006] Furthermore, the first positioning device includes: a first positioning seat, which is arranged on the welding base plate; and a first positioning pin, which is arranged on the first positioning seat and is used to be inserted into the first connecting hole of the hinge rod.

[0007] Among them, it also includes: a first fixed seat, which is arranged on the first positioning seat and is L-shaped, and the first fixed seat is provided with a plurality of first fixing holes and second fixing holes; a first connecting seat, which is arranged on the first positioning seat and is located on one side of the first fixed seat, and is also connected to the first fixing hole and the second fixing hole respectively by screws, and the first positioning pin is arranged on the first connecting seat; and a plurality of first gaskets, which are arranged between the first fixed seat and the first connecting seat and are used to adjust the position of the first positioning pin.

[0008] Preferably, the intermediate clamping device includes: an intermediate rotary clamping cylinder, which is arranged on the welding base plate; an intermediate positioning device, which is arranged on the welding base plate and is located on one side of the intermediate rotary clamping cylinder, and is used to position the hinge rod, and the intermediate rotary clamping cylinder is used to press the hinge rod onto the intermediate positioning device.

[0009] Among them, the intermediate positioning device includes: an intermediate positioning seat, which is arranged on the welding base plate; an intermediate positioning block, which is symmetrically arranged on both sides of the top of the intermediate positioning seat; an intermediate positioning pin, which is movably arranged on the intermediate positioning seat and is arranged opposite to the second connecting hole of the hinge rod; and an intermediate positioning cylinder, which is arranged on the intermediate positioning seat and connected to the intermediate positioning pin.

[0010] Preferably, the second clamping device comprises: a second rotary clamping cylinder, which is arranged on the welding base plate; and a second clamping seat, which is arranged on the welding base plate and is arranged opposite to the second rotary clamping cylinder.

[0011] Preferably, the third clamping device includes: a third positioning device, slidably disposed on the welding base plate, for positioning and clamping the hinge seat; a third cylinder, disposed on the welding base plate and connected to the third positioning device, for inserting the hinge seat onto the hinge rod; and a third positioning rod, disposed on the welding base plate and arranged opposite to the third positioning device, for positioning the position of the hinge seat inserted onto the hinge rod.

[0012] Furthermore, the third clamping device includes: a third movable plate, slidably disposed on the welding base plate; a third movable seat, disposed on the third movable plate; two third pins, disposed on the third movable seat, and respectively arranged opposite to the two third connecting holes of the hinge seat; a third positioning seat, disposed on the third movable plate, and located on one side of the third movable seat; and a third rotary clamping cylinder, disposed on the third movable seat, for pressing the hinge seat onto the third positioning seat.

[0013] Wherein, it also includes: a third positioning block, which is arranged on the third positioning seat and is arranged opposite to the third positioning device.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model provides a luggage case hinge welding and fixing device which can accurately position the hinge rod and the hinge seat and can ensure that the positions of the hinge rod and the hinge seat remain unchanged during welding, thereby effectively reducing the influence of welding deformation and improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of this application;

[0017] Figure 2 is a top view of the present application;

[0018] Figure 3 It is a schematic diagram of the structure of the present application equipped with a luggage case hinge;

[0019] Figure 4 is a top view of the present application with a luggage hinge;

[0020] Figure 5 is a schematic structural diagram of a first positioning device;

[0021] Figure 6 is a top view of a first positioning device;

[0022] Figure 7 It is a schematic diagram of the structure of the intermediate positioning device;

[0023] Figure 8 is a schematic structural diagram of a third clamping device;

[0024] Fig. 9 is a front view of a third clamping device;

[0025] Fig.10 It is a schematic diagram of the structure of a luggage trunk hinge. DETAILED DESCRIPTION

[0026] The utility model is now further described with reference to the accompanying drawings.

[0027] like Figures 1 to 9As shown, a luggage hinge welding fixture comprises a welding base plate 1, a first clamping device 2, an intermediate clamping device 4, a support seat 7, a positioning column 6, a second clamping device 3 and a third clamping device 5, all of which are mounted on the welding base plate 1. A welding hole 11 for welding is provided at one end of the welding base plate 1, and a positioning groove 12 mounted on a welding positioner is provided at the other end of the welding base plate 1. A plurality of handles are also provided on the top of the welding base plate 1 to facilitate carrying the welding fixture. The first clamping device 2 is installed at the other end of the welding base plate 1, and is used to position and clamp one end of the hinge rod 91; the middle clamping device 4 is located on one side of the first clamping device 2, and is used to position and clamp the hinge rod 91; there are three support seats 7, which are arranged along the hinge rod 91, and are used to support the hinge rod 91; there are four positioning columns 6 and each group of two is located on both sides of the hinge rod 91, respectively, for rough positioning of the hinge rod 91; the second clamping device 3 is used to clamp the other end of the hinge rod 91, and is located on one side of the welding hole 11, and the third clamping device 5 is located on the other side of the welding hole 11, and is used to insert the hinge seat 92 onto the hinge rod 91, and position and clamp the hinge seat 92.

[0028] The first clamping device 2 includes a first rotating clamping cylinder 29 and a first positioning device, the first positioning device is used to position the hinge rod 91, the first positioning device includes a first positioning seat 21, a first positioning pin 24, a first fixing seat 22, a first connecting seat 23 and a plurality of first gaskets 25, the first positioning seat 21 is installed on the welding base plate 1, and is arranged opposite to one end of the hinge rod 91, the top of the first positioning seat 21 is provided with a first fixing seat 22, the first fixing seat 22 is L-shaped, and two adjacent side surfaces of the first fixing seat 22 are respectively provided with a plurality of first fixing holes 221 and second fixing holes 222; the first connecting seat 23 is installed on the first positioning seat 21, and is located inside the first fixing seat 22, the first connecting seat 23 is connected to the first fixing hole 221 and the second fixing hole 222 by screws, respectively, the first positioning pin 24 is installed on the first connecting seat 23, and is used to be inserted into the first connecting hole 911 of the hinge rod 91 to realize the positioning of the end of the hinge rod 91. The first gasket 25 is located between the first fixing seat 22 and the first connecting seat 23, and is used to adjust the position of the first positioning pin 24. The first connecting seat 23 is also connected to the first positioning seat 21 by a screw. The first connecting seat 23 is easy to replace, and is suitable for hinge rods 91 of different specifications. The first rotating clamping cylinder 29 is installed on the welding base plate 1 and is located on one side of the first positioning seat 21. The first rotating clamping cylinder 29 is used to press one end of the hinge rod 91 onto the first positioning device.

[0029] The intermediate clamping device 4 includes an intermediate rotating clamping cylinder 48 and an intermediate positioning device. The intermediate positioning device is used to position the hinge rod 91. The intermediate positioning device includes an intermediate positioning seat 41, an intermediate positioning block 42, an intermediate positioning pin 43 and an intermediate positioning cylinder 44. The intermediate positioning seat 41 is installed on the welding base plate 1 and is located on one side of the first positioning seat 21. The intermediate positioning blocks 42 are symmetrically fixed on both sides of the top of the intermediate positioning seat 41. The distance between the two intermediate positioning blocks 42 is slightly larger than the width of the hinge rod 91; the intermediate positioning pin 43 is slidably inserted on the intermediate positioning seat 41 and is connected to the piston rod of the intermediate positioning cylinder 44. The intermediate positioning cylinder 44 is fixed on the intermediate positioning seat 41 and is located below the welding base plate 1. The intermediate positioning pin 43 is also arranged opposite to the second connecting hole 912 of the hinge rod 91, and is used to be inserted into the second connecting hole 912 to realize the positioning of the hinge rod 91. The middle rotating clamping cylinder 48 is installed on the welding base plate 1 and is located at one side of the middle positioning seat 41 . The middle rotating clamping cylinder 48 is used to press the hinge rod 91 onto the middle positioning seat 41 .

[0030] The second clamping device 3 includes a second rotary clamping cylinder 31 and a second clamping seat 32. The second rotary clamping cylinder 31 is installed on the welding base plate 1 and is located on one side of the welding hole 11. The second clamping seat 32 is fixed on the welding base plate 1 and is arranged opposite to the second rotary clamping cylinder 31. The second rotary clamping cylinder 31 is used to press the hinge rod 91 onto the second clamping seat 32.

[0031] The third clamping device 5 includes a second clamping seat 32, a third cylinder 58, a third positioning seat 54 and a third positioning block 50. The second clamping seat 32 is slidably arranged on the welding base plate 1, and is used to position and clamp the hinge seat 92. The third cylinder 58 is installed on the welding base plate 1 and connected to the second clamping seat 32, and is used to insert the hinge seat 92 into the hinge rod 91. The third positioning seat 54 is installed on the welding base plate 1 and is arranged opposite to the second clamping seat 32, and is used to position the hinge seat 92 inserted on the hinge rod 91. The third positioning block 50 is installed on the third positioning seat 54 and is arranged opposite to the second clamping seat 32, and is used to adjust the position of the second clamping seat 32 according to different products. The third clamping device 5 includes a third moving plate 52, a third rotating clamping cylinder 56, a third moving seat 53, a third pin 55 and a third positioning seat 54. The third moving plate 52 is slidably mounted on the welding base plate 1 through a linear guide pair and is located on the other side of the welding hole 11. The third moving seat 53 is fixed on the third moving plate 52 and is equipped with two third pins 55. The third pins 55 are respectively arranged opposite to the two third connecting holes 923 of the hinge seat 92 and are used to be inserted into the third connecting holes 923 to realize the positioning of the hinge seat 92. The third positioning seat 54 is mounted on the third moving plate 52 and is located on one side of the third moving seat 53. The third positioning seat 54 is L-shaped. The third rotating clamping cylinder 56 is mounted on the top of the third moving seat 53 and is used to press the hinge seat 92 onto the third positioning seat 54. The third clamping device 5 is convenient to replace according to different hinges to improve versatility. The third positioning seat 54 is convenient for positioning when being installed into the hinge seat 92, so that the third connecting hole 923 and the third pin 55 are on the same horizontal plane.

[0032] The welding base plate 1 is fixed to the welding positioner through a cylinder.

[0033] During operation, one end of the hinge rod 91 provided with the first connecting hole 911 and the second connecting hole 912 is placed on the first connecting seat 23, and the first connecting hole 911 is inserted into the first positioning pin 24. At the same time, the hinge rod 91 is also inserted between the two intermediate positioning blocks 42. Then, the intermediate positioning cylinder 44 is started to insert the intermediate positioning pin 43 into the second connecting hole 912. The other end of the hinge rod 91 is against the third positioning seat 54. Then, the first rotary clamping cylinder 29, the second rotary clamping cylinder 31 and the intermediate rotary clamping cylinder 48 are started to fix the hinge rod 91. Insert the two third connection holes 923 of the hinge seat 92 into the third pin 55, start the third rotary clamping cylinder 56, clamp the hinge seat 92 on the third movable seat 53, and then start the third cylinder 58, the third cylinder 58 drives the hinge seat 92 to be inserted into the end of the hinge rod 91, the third positioning block 50 blocks the third movable plate 52, so that the position of the hinge seat 92 inserted into the hinge rod 91 reaches the set position, and then the robot drives the welding gun to weld, when one side is welded, the welding positioner drives the welding fixture to turn 180°, so that the welding hole 11 faces upward, and then the robot drives the welding gun to weld the other side of the hinge seat 92 through the welding hole 11. After welding is completed, first release the third rotary clamping cylinder 56, then start the third cylinder 58, the third clamping device 5 is away from the hinge seat 92, and then release the first rotary clamping cylinder 29, the second rotary clamping cylinder 31 and the middle rotary clamping cylinder 48, and remove the welded luggage hinge.

[0034] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the claims of the present invention.

Claims

1. A luggage hinge welding and fixing device, characterized in that: include: A welding base plate (1) provided with welding holes (11) for welding; A first clamping device (2), provided on the welding base plate (1), for positioning and clamping one end of the hinge rod (91); An intermediate clamping device (4), provided on the welding base plate (1) and located on one side of the first clamping device (2), and used for positioning and clamping the hinge rod (91); A plurality of support seats (7) are arranged on the welding base plate (1) and along the hinge rod (91) for supporting the hinge rod (91); A plurality of positioning columns (6) are arranged on the welding base plate (1) and are located on both sides of the hinge rod (91); A second clamping device (3), provided on the welding base plate (1), for clamping the other end of the hinge rod (91); and The third clamping device (5) is arranged on one side of the welding hole (11) and is used to insert the hinge seat (92) onto the hinge rod (91) and to position and clamp the hinge seat (92).

2. A luggage hinge welding and fixing device according to claim 1, characterized in that: The first clamping device (2) comprises: A first rotary clamping cylinder (29) is provided on the welding base plate (1); and A first positioning device is disposed on the welding base plate (1) and is arranged opposite to the first rotary clamping cylinder (29) for positioning the hinge rod (91). The first rotary clamping cylinder (29) is used to press one end of the hinge rod (91) onto the first positioning device.

3. A luggage hinge welding and fixing device according to claim 2, characterized in that: The first positioning device comprises: A first positioning seat (21) is provided on the welding base plate (1); and A first positioning pin (24) is provided on the first positioning seat (21) and is used for being inserted into the first connecting hole (911) of the hinge rod (91).

4. A luggage hinge welding and fixing device according to claim 3, characterized in that: Also includes: A first fixing seat (22) is disposed on the first positioning seat (21) and is L-shaped, and the first fixing seat (22) is provided with a plurality of first fixing holes (221) and second fixing holes (222); A first connecting seat (23) is provided on the first positioning seat (21) and is located on one side of the first fixing seat (22), and is connected to the first fixing hole (221) and the second fixing hole (222) respectively by screws, and the first positioning pin (24) is provided on the first connecting seat (23); and A plurality of first gaskets (25) are arranged between the first fixing seat (22) and the first connecting seat (23) and are used to adjust the position of the first positioning pin (24).

5. The luggage hinge welding and fixing device according to claim 1, characterized in that: The intermediate clamping device (4) comprises: An intermediate rotating clamping cylinder (48) is arranged on the welding base plate (1); An intermediate positioning device is provided on the welding base plate (1) and is located on one side of the intermediate rotating clamping cylinder (48), and is used to position the hinge rod (91). The intermediate rotating clamping cylinder (48) is used to press the hinge rod (91) onto the intermediate positioning device.

6. A luggage case hinge welding and fixing device according to claim 5, characterized in that: The intermediate positioning device comprises: An intermediate positioning seat (41) is arranged on the welding base plate (1); An intermediate positioning block (42) is symmetrically arranged on both sides of the top of the intermediate positioning seat (41); an intermediate positioning pin (43) movably disposed on the intermediate positioning seat (41) and arranged opposite to the second connecting hole (912) of the hinge rod (91); and The intermediate positioning cylinder (44) is disposed on the intermediate positioning seat (41) and is connected to the intermediate positioning pin (43).

7. The luggage hinge welding and fixing device according to claim 1, characterized in that: The second clamping device (3) comprises: A second rotary clamping cylinder (31) is provided on the welding base plate (1); and The second clamping seat (32) is arranged on the welding base plate (1) and is arranged opposite to the second rotary clamping cylinder (31).

8. The luggage hinge welding and fixing device according to claim 1, characterized in that: The third clamping device (5) comprises: A second clamping seat (32) is slidably disposed on the welding base plate (1) and is used to position and clamp the hinge seat (92); a third cylinder (58), which is disposed on the welding base plate (1) and connected to the second clamping seat (32), and is used to insert the hinge seat (92) onto the hinge rod (91); and A third positioning rod (59) is disposed on the welding base plate (1) and is arranged opposite to the second clamping seat (32) and is used to locate the position of the hinge seat (92) inserted on the hinge rod (91).

9. The luggage hinge welding and fixing device according to claim 8, characterized in that: The third clamping device (5) comprises: A third movable plate (52) is slidably disposed on the welding base plate (1); A third movable seat (53), arranged on the third movable plate (52); Two third pins (55) are arranged on the third movable seat (53) and are respectively arranged opposite to the two third connecting holes (923) of the hinge seat (92); A third positioning seat (54) is provided on the third movable plate (52) and is located on one side of the third movable seat (53); and The third rotary clamping cylinder (56) is arranged on the third movable seat (53) and is used to press the hinge seat (92) onto the third positioning seat (54).

10. The luggage hinge welding and fixing device according to claim 8, characterized in that: Also includes: The third positioning block (50) is arranged on the third positioning seat (54) and is arranged opposite to the second clamping seat (32).

Images