CN216966739U - Clamping mechanism for front swing arm connecting piece - Google Patents

Abstract

The utility model provides a clamping mechanism for a front swing arm connecting piece, which is arranged on a mechanical arm and is used for clamping a first front swing arm connecting half part and a second front swing arm connecting half part, wherein the second front swing arm connecting half part is provided with a limiting hole, and the clamping mechanism is characterized by comprising: a base rotatably mounted on the robot arm; the first clamping part is arranged on the base, is used for clamping the first front swing arm connecting half part, and comprises a first upper clamping plate, a first lower clamping plate and a first clamping cylinder; and the second clamping part is arranged on the base and used for clamping the first front swing arm connecting half part and comprises a second upper clamping plate, a second lower clamping plate and a second clamping cylinder, wherein the first lower clamping plate is fixed on the base, the first upper clamping plate is arranged on the base in a liftable manner and is connected with the first clamping cylinder, the second lower clamping plate is fixed on the base, and the second upper clamping plate is arranged on the base in a liftable manner and is connected with the second clamping cylinder.

Description

Clamping mechanism for front swing arm connecting piece

Technical Field

The utility model relates to the technical field of automobile part machining, in particular to a clamping mechanism for a front swing arm connecting piece.

Background

With the development of economy, automobiles become a travel tool for daily use of people, and the processing requirements on automobile parts are higher and higher due to the increase of automobile demand.

The swing arm of the automobile is used for guiding and supporting the suspension, the deformation of the swing arm affects the positioning of wheels, the stability of driving is reduced, and the stability of the front swing arm structure of the automobile is very important for driving safety. The front swing arm of the automobile is connected with the automobile body through the front swing arm connecting piece, so that the machining of the front swing arm connecting piece is also an important part in the automobile production.

The front swing arm connecting piece is formed by welding a first front swing arm connecting half part shown in fig. 3 and a second front swing arm connecting half part shown in fig. 4. In prior art, welding is carried out manually usually, has higher potential safety hazard, has consumed time and cost of labor, and machining efficiency is lower, and is unfavorable for realizing producing the automation of line. Therefore, the design of an automatic front swing arm connecting piece welding production line is an urgent need, and how to take and transfer workpieces in the production line becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide a clamping mechanism for a front swing arm link.

The utility model provides a clamping mechanism for a front swing arm connecting piece, which is arranged on a mechanical arm and is used for clamping a first front swing arm connecting half part and a second front swing arm connecting half part, wherein the second front swing arm connecting half part is provided with a limiting hole, and the clamping mechanism is characterized by comprising: the base is rotatably arranged on the mechanical arm; the first clamping part is arranged on the base, is used for clamping the first front swing arm connecting half part, and comprises a first upper clamping plate, a first lower clamping plate and a first clamping cylinder; and the second clamping part is arranged on the base and used for clamping the first front swing arm connecting part and comprises a second upper clamping plate, a second lower clamping plate and a second clamping cylinder, wherein the first lower clamping plate is fixed on the base, the first upper clamping plate is arranged on the base in a liftable mode and is connected with the first clamping cylinder, the second lower clamping plate is fixed on the base, and the second upper clamping plate is arranged on the base in a liftable mode and is connected with the second clamping cylinder.

The clamp mechanism for a front swing arm link according to the present invention may further include: wherein, the second clamping part still includes spacing cylinder and connects the platform, and spacing cylinder is installed and is connected the bench, connects the platform and is connected with the second lower plate, and spacing cylindrical diameter and the aperture looks adaptation in spacing hole are used for connecting half to the swing arm before the second and carry on spacingly.

The clamp mechanism for a front swing arm link according to the present invention may further include: the second clamping part further comprises a thrust assembly, and the thrust assembly is used for pushing the second front swing arm connecting half part to be separated from the limiting cylinder.

The clamp mechanism for a front swing arm link according to the present invention may further include: wherein, thrust subassembly includes flexible push rod and thrust cylinder, and flexible push rod telescopically sets up at connecting the bench, is connected with thrust cylinder, and thrust cylinder installs and connects the bench for promote flexible push rod.

The clamp mechanism for a front swing arm link according to the present invention may further include: wherein, the telescopic length of the push rod is more than or equal to the height of the limiting cylinder.

The clamp mechanism for a front swing arm link according to the present invention may further include: wherein, the tip of spacing cylinder has the chamfer.

Action and effect of the utility model

The clamping mechanism for the front swing arm connecting piece comprises a base, a first clamping part and a second clamping part, and the structures have the following effects:

the base is rotatably installed on the mechanical arm, and the first clamping part and the second clamping part are convenient to clamp the workpiece respectively.

First clamping part installs on the base, including first punch holder, first lower plate and first die clamping cylinder. First lower splint are fixed on the base, and first punch holder is set up on the base and is connected with first die clamping cylinder liftable. The first clamping cylinder can drive the first upper clamping plate to descend so as to clamp the first front swing arm connecting half part together with the first lower clamping plate.

The second clamping part is installed on the base and comprises a second upper clamping plate, a second lower clamping plate and a second clamping cylinder. The second lower splint is fixed on the base, and the second upper splint is arranged on the base in a liftable manner and is connected with the second clamping cylinder. The second clamping cylinder can drive the second upper clamp plate to descend, so that the second upper clamp plate and the second lower clamp plate clamp the second front swing arm connecting half part together.

Therefore, the first clamping part and the second clamping part of the clamping mechanism for the front swing arm connecting piece can respectively clamp the first front swing arm connecting half part and the second front swing arm connecting half part in sequence and then transfer the first front swing arm connecting half part and the second front swing arm connecting half part simultaneously, so that the time for clamping and transferring workpieces can be effectively shortened, the processing efficiency is improved, meanwhile, the labor cost can be reduced, the potential safety hazard is reduced, and the automation of a production line is facilitated.

Drawings

FIG. 1 is a schematic view of a clamping mechanism for a front swing arm linkage in an embodiment of the present invention;

FIG. 2 is a top view of a clamping mechanism for a front swing arm linkage in an embodiment of the present invention;

FIG. 3 is a bottom view of the first front swing arm attachment half in an embodiment of the present invention;

FIG. 4 is a top view of a second front swing arm connecting half in an embodiment of the present invention;

FIG. 5 is a front view of a positioning mechanism in an embodiment of the utility model; and

FIG. 6 is a side view of a positioning mechanism in an embodiment of the utility model.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the following embodiments are specifically described with reference to the attached drawings.

< example >

Fig. 1 is a schematic structural view of a clamp mechanism for a front swing arm link according to an embodiment of the present invention, and fig. 2 is a plan view of the clamp mechanism for a front swing arm link according to an embodiment of the present invention.

As shown in fig. 1, the gripper mechanism 100 for a front swing arm link includes a base 10, a first gripper 20, and a second gripper 30.

Fig. 3 is a plan view of a first front swing arm connecting half in the embodiment of the present invention, and fig. 4 is a plan view of a second front swing arm connecting half in the embodiment of the present invention.

The front swing arm connecting piece in this embodiment is formed by welding a first front swing arm connecting half portion shown in fig. 3 and a second front swing arm connecting half portion shown in fig. 4.

Fig. 5 is a front view of a positioning mechanism in an embodiment of the present invention, and fig. 6 is a side view of the positioning mechanism in an embodiment of the present invention.

In this embodiment, the gripper mechanism 100 for the front arm link is provided on the arm, and performs welding processing of the front arm link in cooperation with the feeding device, the welding device, and the positioning mechanism 7 shown in fig. 5 and 6 under the control of the controller. The first clamping part 20 and the second clamping part 30 of the clamping mechanism 100 for the front swing arm connecting piece respectively clamp the first front swing arm connecting half part 1 and the second front swing arm connecting half part 2 on the feeding device in sequence, and then the front swing arm connecting pieces are transferred to the positioning mechanism 7 of the welding station from the feeding station at the same time. The first front swing arm connecting half part 1 and the second front swing arm connecting half part 2 are respectively positioned through a first positioning cone 9 and a second positioning cone 8 on the positioning mechanism 7, and the positioned first front swing arm connecting half part 1 and the positioned second front swing arm connecting half part 2 are welded through the welding device.

The base 10 is rotatably mounted on a robotic arm. In this embodiment, the base 10 is connected to the robot arm through a hinge.

The first clamping portion 20 is mounted on the base 10, and is configured to clamp the first front swing arm connecting half 1, and includes a first upper clamp plate 21, a first lower clamp plate 22, a first clamping cylinder 23, and a first lifting push rod 24. The first lower clamp plate 22 is fixed to the base 10, and the first upper clamp plate 21 is connected to the first clamp cylinder 23 by a first lift push rod 24. The first upper clamp plate 21 is arranged above the first lower clamp plate 22 in a liftable manner, and the lower surface of the first upper clamp plate 21 and the upper surface of the first lower clamp plate 22 are planes parallel to each other. The first front swing arm connecting half 1 has a side surface 6, and a first upper plate 21 and a first lower plate 22 are held at the position of the side surface 6.

The second clamping portion 30 is mounted on the base 10 for clamping the second front swing arm connecting half 2. In the present embodiment, the second clamping portion 30 includes a second upper clamping plate 31, a second lower clamping plate 32, a second clamping cylinder 33, a second lifting push rod 34, a limiting cylinder 35, a connecting table 36, and a thrust assembly 37. The second upper clamp plate 31 is connected to a second clamp cylinder 33 via a second elevation push rod 34. The second lower clamping plate 32 is fixed on the base 10, the second upper clamping plate 31 is arranged above the second lower clamping plate 32 in a liftable manner, and the lower surface of the second upper clamping plate 31 and the upper surface of the second lower clamping plate 32 are planes parallel to each other. The middle of the front side 3 and the back side 4 of the second front swing arm connecting half part 2 is bent, and the back side 4 is provided with a limiting hole 5. A second upper clamping plate 31 and a second lower clamping plate 32 are clamped on the front side 3. The end of the restraining cylinder 35 is chamfered. The diameter of the limiting cylinder 35 is matched with the aperture of the limiting hole 5, and the limiting cylinder is used for being inserted into the limiting hole 5 so as to limit the second front swing arm connecting half part 2. Spacing cylinder 35 is installed on connecting platform 36, connects the slope of platform 36 and sets up the side at second lower plate 32, and the contained angle between the upper surface of connecting platform 36 and the upper surface of second lower plate 32 equals the angle of buckling between leading flank 3 and trailing flank 4. The pushing assembly 37 is used to push the second front swing arm connecting half 2 to disengage the limiting hole 5 from the limiting cylinder 35, and the second front swing arm connecting half 2 is transferred from the second clamping portion 30 to the positioning mechanism 7. Thrust assembly 37 includes a telescoping push rod 371 and a thrust cylinder 372. The thrust cylinder 372 is installed below the connection table 36 to push the telescopic push rod 371. The telescopic push rod 371 is telescopically provided on the connection table 36 and connected with the thrust cylinder 372. The telescopic push rod 371 is arranged in parallel with the limiting cylinder 35, and the telescopic length of the telescopic push rod 371 is slightly larger than the height of the limiting cylinder 35.

The following describes a specific process and method for using the clamping mechanism 100 for a front swing arm connector according to the present invention with reference to fig. 1 to 6, wherein the following processes are automatically performed under the control of a controller:

step 1: the mechanical arm moves, and simultaneously the base 10 rotates, so that the first clamping part 20 is close to the first front swing arm connecting half part 1 on the feeding device;

step 2: the mechanical arm moves to enable the upper surfaces, close to each other, of the first lower clamping plates 22 to be in contact with the lower surface of the first front swing arm connecting half part 1, then the first clamping cylinder 23 drives the first lifting push rod 24 to descend, and the first upper clamping plate 21 is driven to press downwards, so that the first front swing arm connecting half part 1 is clamped;

and step 3: the mechanical arm moves, and simultaneously the base 10 rotates, so that the second clamping part 30 is close to the second front swing arm connecting half part 2 on the feeding device;

and 4, step 4: the mechanical arm moves to enable the upper surface of the second lower clamping plate 32 to be in contact with the lower surface of the second front swing arm connecting half part 2, meanwhile, the limiting cylinder 35 is inserted into the limiting hole 5, then the second clamping cylinder 33 drives the second lifting push rod 34 to descend, and the second upper clamping plate 31 is driven to press downwards, so that the second front swing arm connecting half part 2 is clamped;

and 5: the mechanical arm drives the first front swing arm connecting half part 1 and the second front swing arm connecting half part 2 to move together to a positioning mechanism 7 of a welding station, the base 10 rotates to enable the first clamping part 20 to be close to the positioning mechanism 7, the first clamping cylinder 23 pushes the first lifting push rod 24 to ascend to drive the first upper clamping plate 21 to ascend, the first clamping part 20 loosens the first front swing arm connecting half part 1, and the first front swing arm connecting half part 1 is transferred to the positioning mechanism 7 and is positioned by the first positioning cone 9;

step 6: the base 10 rotates to enable the second clamping part 30 to be close to the positioning mechanism 7, and the telescopic push rod 371 extends out of the surface of the connecting table 36 under the pushing of the thrust cylinder 372 and is in contact with the lower surface of the second front swing arm connecting half part 2;

and 7: the second clamping cylinder 33 pushes the second lifting push rod 34 to ascend to drive the second upper clamping plate 31 to ascend, the clamped second front swing arm connecting half part 2 is loosened, meanwhile, the telescopic push rod 371 pushes the second front swing arm connecting half part 2 to enable the limiting hole 5 to be separated from the limiting cylinder 35, the second front swing arm connecting half part 2 is transferred to the positioning mechanism 7 from the second clamping part 30 and is positioned by the second positioning cone 8, and the mechanical arm moves away

And step 8: after the welding device completes one-side welding of the first front swing arm connecting half part 1 and the second front swing arm connecting half part 2 on the positioning mechanism 7, the mechanical arm approaches the positioning mechanism 7, and the second clamping part 30 clamps the second front swing arm connecting half part 2 again;

and step 9: the mechanical arm and the base 10 drive the second front swing arm connecting half part 2 and the first front swing arm connecting half part 1 connected with the second front swing arm connecting half part to adjust the angle, and the welding of other parts is continued;

step 10: after the front swing arm connecting piece is welded, the second clamping part 30 clamps the second front swing arm connecting half part 2, and the front swing arm connecting piece is transferred to a finished product area from the positioning mechanism 7;

step 11: the mechanical arm drives the front swing arm connecting piece to return to the position close to the feeding device by the clamping mechanism 100 under the control of the controller, the step 1-10 is repeated, and the next front swing arm connecting piece is continuously welded.

Effects and effects of the embodiments

The clamping mechanism for the front swing arm connector according to the embodiment comprises a base, a first clamping part and a second clamping part, and the structures have the following effects:

the base is rotatably arranged on the mechanical arm through a rotating shaft, so that the first clamping part and the second clamping part can clamp the workpiece respectively.

First clamping part installs on the base, including first punch holder, first lower plate, first die clamping cylinder and first lift push rod. The first lower clamping plate is fixed on the base, and the first upper clamping plate is connected with the first clamping cylinder through the first lifting push rod. The first upper clamp plate is arranged above the first lower clamp plate in a liftable mode, and the lower surface of the first upper clamp plate and the upper surface of the first lower clamp plate are planes parallel to each other. First die clamping cylinder can drive first lift push rod and descend, drives first punch holder and pushes down to together centre gripping first preceding swing arm with the first lower plate of below and connect half.

The second clamping part is installed on the base and comprises a second upper clamping plate, a second lower clamping plate, a second clamping cylinder, a second lifting push rod, a limiting cylinder, a connecting table and a thrust assembly. The second upper clamping plate is connected with a second clamping cylinder through a second lifting push rod. The second lower plate is fixed on the base, the second upper plate is arranged above the second lower plate in a liftable mode, and the lower surface of the second upper plate and the upper surface of the second lower plate are planes parallel to each other. The second clamping cylinder can drive the second lifting push rod to descend, and drives the second upper clamping plate to press downwards, so that the second upper clamping plate and the second lower clamping plate below clamp the second front swing arm connecting half part together.

The middle of the front side surface and the middle of the back side surface of the second front swing arm connecting half part are bent, and the back side surface is provided with a limiting hole. The second upper clamping plate and the second lower clamping plate are clamped on the front side surface. Connect the platform slope to set up in the side of second lower plate, the contained angle between the upper surface of connecting the platform and the upper surface of second lower plate equals the angle of buckling between leading flank and the trailing flank, makes the whole shape of more laminating first preceding swing arm of second clamping part and connecting half, reaches more firm centre gripping effect. The limiting cylinder is arranged on the connecting table and corresponds to the limiting hole in position. The diameter of the limiting cylinder is matched with the aperture of the limiting hole, and the limiting hole can be inserted into the limiting hole, so that the second front swing arm connecting half part is limited. The end part of the limiting cylinder is provided with a chamfer, so that the limiting cylinder can conveniently extend into the limiting hole. The thrust assembly comprises a telescopic push rod and a thrust cylinder. The thrust cylinder is installed in the connection platform below, can drive flexible push rod. The telescopic push rod is telescopically arranged on the connecting table and connected with the thrust cylinder. The thrust assembly can push the second front swing arm connecting half part to be separated from the limiting cylinder, and the second front swing arm connecting half part is transferred to the positioning mechanism from the second clamping part. The telescopic push rod and the limiting cylinder are arranged in parallel, and the telescopic length of the telescopic push rod is slightly larger than the height of the limiting cylinder, so that the limiting cylinder can be completely separated from the limiting hole. After the mechanical arm drives the second front swing arm connecting half part clamped by the second clamping part to move to the positioning mechanism, the second upper clamping plate and the second lower clamping plate loosen the second front swing arm connecting half part. The telescopic push rod extends out of the surface of the connecting table under the pushing of the thrust cylinder and contacts with the lower surface of the second front swing arm connecting half part, and then the second front swing arm connecting half part is pushed to be separated from the limiting cylinder and transferred to the positioning mechanism, so that the subsequent welding process is facilitated.

Therefore, the first clamping part and the second clamping part of the clamping mechanism for the front swing arm connecting piece can respectively clamp the first front swing arm connecting half part and the second front swing arm connecting half part in sequence and then transfer the first front swing arm connecting half part and the second front swing arm connecting half part simultaneously, so that the time for clamping and transferring workpieces can be effectively shortened, the processing efficiency is improved, and meanwhile, the labor cost and the potential safety hazard can be reduced. Before welding, the first front swing arm connecting half part and the second front swing arm connecting half part can be transferred to a positioning mechanism of a welding station from a feeding device by using a clamping mechanism for the front swing arm connecting piece; after the welding is completed, the front swing arm connecting piece can be clamped to be transferred to a finished product area, the machining efficiency can be effectively improved, and the automation of the whole production line is facilitated.

The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.

Claims (6)

1. The utility model provides a fixture for preceding swing arm connecting piece, installs on the arm for half is connected to first preceding swing arm of centre gripping and half is connected to the swing arm before the second, and half is connected to the swing arm before the second has spacing hole, its characterized in that includes:

a base rotatably mounted on the robot arm;

the first clamping part is arranged on the base, is used for clamping the first front swing arm connecting half part, and comprises a first upper clamping plate, a first lower clamping plate and a first clamping cylinder; and

the second clamping part is arranged on the base and used for clamping the second front swing arm connecting half part and comprises a second upper clamping plate, a second lower clamping plate and a second clamping cylinder,

wherein the first lower clamping plate is fixed on the base,

the first upper clamping plate is arranged on the base in a lifting manner and is connected with the first clamping cylinder,

the second lower clamping plate is fixed on the base,

the second upper clamping plate is arranged on the base in a liftable mode and is connected with the second clamping cylinder.

2. The clamping mechanism for the front swing arm connector according to claim 1, wherein:

wherein the second clamping part also comprises a limiting cylinder and a connecting table,

the limiting cylinder is arranged on the connecting table,

the connecting table is connected with the second lower clamping plate,

the diameter of the limiting cylinder is matched with the aperture of the limiting hole, and the limiting cylinder is used for limiting the second front swing arm connecting half part.

3. The clamp mechanism for a front swing arm link according to claim 2, wherein:

wherein the second clamping part further comprises a thrust assembly,

the thrust assembly is used for pushing the second front swing arm connecting half part to be separated from the limiting cylinder.

4. The clamp mechanism for a front swing arm link according to claim 3, wherein:

wherein the thrust assembly comprises a telescopic push rod and a thrust cylinder,

the telescopic push rod is telescopically arranged on the connecting table and is connected with the thrust cylinder,

the thrust cylinder is installed on the connecting table and used for pushing the telescopic push rod.

5. The clamp mechanism for a front swing arm link according to claim 4, wherein:

the telescopic length of the telescopic push rod is larger than or equal to the height of the limiting cylinder.

6. The clamp mechanism for a front swing arm link according to claim 5, wherein:

wherein, the tip of spacing cylinder has the chamfer.

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