Clamping device for welding carriage front plate

Abstract

The utility model relates to a carriage front plate welding clamping device which comprises a supporting base, a clamping mechanism and two rotary displacement mechanisms, the two rotary displacement mechanisms are arranged on the supporting base in a spaced mode, the clamping mechanism is connected between the two rotary displacement mechanisms, and the clamping mechanism is connected between the two rotary displacement mechanisms. The clamping mechanism comprises a bottom supporting piece, two first side edge clamping assemblies and a second side edge clamping assembly, the two ends of the bottom supporting piece are connected with the corresponding rotary displacement mechanisms, and the two first side edge clamping assemblies are located at the two ends, close to the rotary displacement mechanisms, of the bottom supporting piece correspondingly and used for clamping the side edges, close to the rotary displacement mechanisms, of the carriage front plate; the two second side edge clamping assemblies are located on the two sides of the bottom supporting piece correspondingly and used for clamping the other two side edges of the carriage front plate, and the rotary displacement mechanism is used for driving the bottom supporting piece to turn over. According to the utility model, stable clamping and overturning of the carriage front plate are realized, manual overturning is not needed, the welding efficiency is greatly improved, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, concretely relates to a clamping device for carriage front plate welding. BACKGROUND

[0002] The carriage front plate of the freight car is mostly arc surface, and the panel and framework of steel plate or aluminum alloy plate material are welded during welding, and double-sided welding is needed, currently, the carriage front plate is positioned by using a clamp during welding, and then welding is carried out by a robot, after welding one side, the carriage front plate is turned over, and the other side is welded, the welding method is time-consuming and laborious, and the welding efficiency is affected. SUMMARY

[0003] The utility model aims at providing a clamping device for carriage front plate welding, and solves the above problems existing in the current carriage front plate welding.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A clamping device for carriage front plate welding, comprising a supporting base, a clamping mechanism and a rotary displacement mechanism, the rotary displacement mechanism is provided with two, two the rotary displacement mechanism is arranged on the supporting base, the clamping mechanism is connected between two the rotary displacement mechanism, the clamping mechanism includes bottom support, first side edge clamping assembly and second side edge clamping assembly, the bottom support both ends are connected with corresponding the rotary displacement mechanism, for supporting the bottom of carriage front plate, the first side edge clamping assembly is provided with two groups, and is located at the two ends of the bottom support close to the rotary displacement mechanism respectively, for clamping the side edge of carriage front plate close to the rotary displacement mechanism, the second side edge clamping assembly is provided with two groups, and is located at the two sides of the bottom support respectively, for clamping the other two side edges of carriage front plate, the rotary displacement mechanism is used to drive the bottom support overturning.

[0006] Further, the first side edge clamping assembly includes a first mounting plate, a vertical support column, a first clamping jaw and a first cylinder, the bottom support is provided with a first guide rail, the first mounting plate is slidably arranged on the first guide rail through a sliding block, the vertical support column is provided with a plurality of vertical support columns, each vertical support column is arranged on the first mounting plate, each vertical support column is provided with the first clamping jaw, the first cylinder is arranged on the bottom support and connected with the first mounting plate, and the first cylinder is used to drive the first mounting plate to move along the first guide rail to drive the first clamping jaw to clamp the carriage front plate.

[0007] Further, a second air cylinder is arranged on the vertical support column in the up-down direction, the first clamping jaw is connected with the second air cylinder, and the second air cylinder is used for driving the first clamping jaw to move up and down to clamp the front plate of the carriage.

[0008] Further, the second side clamping assembly comprises a second mounting plate, a second clamping jaw and a third air cylinder, a second guide rail is arranged on the bottom support, the second guide rail and the first guide rail are arranged perpendicularly to each other, the second mounting plate is slidably arranged on the second guide rail through a sliding block, a plurality of second clamping jaws are arranged on the second mounting plate at intervals, and the third air cylinder is arranged on the bottom support and connected with the second mounting plate, and the third air cylinder is used for driving the second clamping jaw to move to clamp the front plate of the carriage.

[0009] Further, the rotary displacement mechanism comprises a support pile, a rotating piece and a connecting plate, the support pile is arranged on the support base in the up-down direction, the rotating piece is arranged on the upper portion of the support pile, and the rotating piece is connected with the bottom support through the connecting plate.

[0010] Further, a lead screw nut mechanism and a driving motor are arranged on the connecting plate in the length direction, the lead screw nut mechanism is connected with the bottom support, the driving motor is connected with the lead screw nut mechanism, and the driving motor is used for driving the bottom support to move in the length direction of the connecting plate to adjust the position.

[0011] The beneficial effects of the utility model are as follows:

[0012] The utility model discloses a clamping device for carriage front plate welding, through the rotary displacement mechanism, the automatic overturning of the carriage front plate can be easily realized, manual intervention is not needed, welding efficiency is improved obviously, and labor intensity is reduced.

[0013] Further, through the movement and clamping of the clamping jaw driven by the air cylinder and the overturning of the rotary displacement mechanism, automatic operation is realized, welding process is simplified, operation difficulty is reduced, and the technical requirement of the operator is also reduced accordingly. DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model discloses a clamping device for carriage front plate welding;

[0015] Figure 2 It is Figure 1 It is the structure schematic diagram of another angle;

[0016] Figure 3This is a top view of the clamping device for welding the front panel of the vehicle body according to this utility model.

[0017] The names corresponding to each mark in the diagram:

[0018] 1. Support base;

[0019] 2. Bottom support component; 21. First guide rail; 22. Second guide rail;

[0020] 31. First mounting plate; 32. Vertical support column; 33. First gripper; 34. First cylinder; 35. Second cylinder;

[0021] 41. Second mounting plate; 42. Second gripper; 43. Third cylinder;

[0022] 51. Support pile; 52. Rotating component; 53. Connecting plate; 54. Screw and nut mechanism; 55. Drive motor; 6. Front panel of the carriage. Detailed Implementation

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0024] like Figures 1 to 3 The clamping device for welding the front panel of a car body shown includes a support base 1, a clamping mechanism and a rotational positioning mechanism. There are two rotational positioning mechanisms, which are spaced apart on the support base 1. The clamping mechanism is connected between the two rotational positioning mechanisms.

[0025] Figure 1 and Figure 2 As shown, the clamping mechanism includes a bottom support member 2, a first side clamping assembly, and a second side clamping assembly. The bottom support member 2 is connected at both ends to corresponding rotational positioning mechanisms to support the bottom of the front panel 6 of the carriage. Two sets of the first side clamping assemblies are provided, located at the two ends of the bottom support member 2 near the rotational positioning mechanisms, and are used to clamp the sides of the front panel 6 of the carriage near the rotational positioning mechanisms. Two sets of the second side clamping assemblies are provided, located on both sides of the bottom support member 2, and are used to clamp the other two sides of the front panel 6 of the carriage. The rotational positioning mechanism is used to drive the bottom support member 2 to rotate.

[0026] Specifically, the first side edge clamping assembly comprises a first mounting plate 31, vertical support columns 32, first clamping jaws 33 and a first cylinder 34. The first mounting plate 31 is slidably arranged on a first guide rail 21 provided on the bottom support 2. The vertical support columns 32 are arranged on the first mounting plate 31 in a spaced manner, and each vertical support column 32 is provided with a first clamping jaw 33. The first cylinder 34 is arranged on the bottom support 2 and connected with the first mounting plate 31. The first cylinder 34 is used to drive the first mounting plate 31 to move along the first guide rail 21 to clamp the side edge of the carriage front plate 6. Through the driving of the first cylinder 34, the first mounting plate 31 can move along the first guide rail 21, thereby driving the vertical support columns 32 and the first clamping jaws 33 to move, so as to clamp the side edge of the carriage front plate 6.

[0027] More specifically, a second cylinder 35 is arranged on each vertical support column 32 in the up-down direction, and the first clamping jaw 33 is connected with the second cylinder 35. The second cylinder 35 is used to drive the first clamping jaw 33 to move up and down to clamp the carriage front plate 6. Through the driving of the second cylinder 35, the first clamping jaw 33 can move up and down, so as to further adjust the clamping position of the carriage front plate 6.

[0028] Specifically, Figure 2 and Figure 3 As shown in the figure, the second side edge clamping assembly comprises a second mounting plate 41, second clamping jaws 42 and a third cylinder 43. A second guide rail 22 is arranged on the bottom support 2, and the second guide rail 22 and the first guide rail 21 are arranged perpendicular to each other. The second mounting plate 41 is slidably arranged on the second guide rail 22 through a sliding block. The second clamping jaws 42 are arranged in a plurality of spaced-apart manner on the second mounting plate 41. The third cylinder 43 is arranged on the bottom support 2 and connected with the second mounting plate 41. The third cylinder 43 is used to drive the second clamping jaws 42 to move to clamp the carriage front plate 6. Through the driving of the third cylinder 43, the second mounting plate 41 can move along the second guide rail 22, thereby driving the second clamping jaws 42 to move, so as to clamp the other two side edges of the carriage front plate 6.

[0029] Specifically, the rotating displacement mechanism comprises a support pile 51, a rotating part 52 and a connecting plate 53. The support pile 51 is arranged on the support base 1 in the up-down direction. The rotating part 52 is arranged on the upper part of the support pile 51, and the rotating part 52 is connected with the bottom support 2 through the connecting plate 53. Through the rotation of the rotating part 52, the connecting plate 53 and the bottom support 2 can be turned over, thereby realizing the overturning of the carriage front plate 6, and facilitating the double-sided welding.

[0030] More specifically, the connecting plate 53 is provided with a screw nut mechanism 54 and a driving motor 55 along the length direction, the screw nut mechanism 54 is connected with the bottom support 2, the driving motor 55 is connected with the screw nut mechanism 54, and is used for driving the bottom support 2 to move along the length direction of the connecting plate 53 to adjust the position. Through the driving of the driving motor 55, the screw nut mechanism 54 can drive the bottom support 2 to move on the connecting plate 53, and then the position of the carriage front plate 6 is adjusted, so that the welding operation is facilitated.

[0031] The clamping device for welding the carriage front plate of the embodiment can realize stable clamping and overturning of the carriage front plate through cooperation of the clamping mechanism and the rotary displacement mechanism, manual overturning is not needed, the welding efficiency is greatly improved, and the labor intensity is reduced. Meanwhile, through the setting of the first side edge clamping assembly and the second side edge clamping assembly, the clamping requirements of the carriage front plate can be met.

[0032] Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

Claims

1. A clamping device for use in welding a cab front panel, characterized by: The utility model provides a vehicle compartment front plate clamping device, including support base, clamping mechanism and rotation displacement mechanism, two rotation displacement mechanisms are arranged at interval on support base, clamping mechanism is connected between two rotation displacement mechanisms, clamping mechanism includes bottom support, first side edge clamping subassembly and second side edge clamping subassembly, bottom support both ends are connected with corresponding rotation displacement mechanism, for supporting the bottom of vehicle compartment front plate, first side edge clamping subassembly is provided with two groups, and is located the both ends of bottom support close to rotation displacement mechanism respectively, for clamping the side of vehicle compartment front plate close to rotation displacement mechanism, second side edge clamping subassembly is provided with two groups, and is located the both sides of bottom support respectively, for clamping the other two sides of vehicle compartment front plate, rotation displacement mechanism is used for driving bottom support to overturn.

2. The carriage front plate welding clamping device according to claim 1, characterized in that: The first side edge clamping subassembly includes a first mounting plate, a vertical support column, a first clamping jaw, and a first cylinder. The bottom support is provided with a first guide rail. The first mounting plate is slidingly arranged on the first guide rail through a sliding block. A plurality of vertical support columns are arranged at intervals on the first mounting plate. The first clamping jaw is installed on each vertical support column. The first cylinder is arranged on the bottom support and connected with the first mounting plate. The first cylinder is used to drive the first mounting plate to move along the first guide rail to drive the first clamping jaw to clamp the vehicle compartment front plate.

3. The carriage front panel welding clamp apparatus of claim 2, wherein: A second cylinder is arranged on the vertical support column in the up-down direction. The first clamping jaw is connected with the second cylinder. The second cylinder is used to drive the first clamping jaw to move up and down to clamp the vehicle compartment front plate.

4. The carriage front panel welding clamp apparatus of claim 3, wherein: The second side edge clamping subassembly includes a second mounting plate, a second clamping jaw, and a third cylinder. The bottom support is provided with a second guide rail, which is arranged perpendicular to the first guide rail. The second mounting plate is slidingly arranged on the second guide rail through a sliding block. A plurality of second clamping jaws are arranged at intervals on the second mounting plate. The third cylinder is arranged on the bottom support and connected with the second mounting plate. The third cylinder is used to drive the second clamping jaw to move to clamp the vehicle compartment front plate.

5. The carriage front panel welding clamp apparatus of claim 4, wherein: The rotation displacement mechanism includes a support post, a rotating member, and a connecting plate. The support post is arranged on the support base in the up-down direction. The rotating member is arranged on the upper part of the support post. The rotating member is connected with the bottom support through the connecting plate.

6. The carriage front panel welding clamp apparatus of claim 5, wherein: A lead screw nut mechanism and a driving motor are arranged on the connecting plate in the length direction. The lead screw nut mechanism is connected with the bottom support. The driving motor is connected with the lead screw nut mechanism and used to drive the bottom support to move along the length direction of the connecting plate to adjust the position.

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