CN210967413U - Single-upright-column stud gripper - Google Patents

Abstract

The utility model relates to a single-upright-column double-screw bolt tongs. The single-upright-column stud gripper comprises a mounting arm and a gripping device arranged on the mounting arm and used for gripping a single-upright-column stud, wherein the gripping device comprises a first jaw, a second jaw and a driving mechanism, the driving mechanism drives the first jaw and the second jaw to move, the second jaw and the first jaw are close to or far away from each other, and the gripping device grips or loosens the single-upright-column stud. Through the motion of the first jack catch of actuating mechanism drive and second jack catch, first jack catch mutually supports with the second jack catch and snatchs single-upright-column double-screw bolt automatically, then accurately places to the corresponding position department of top cap rainwater groove, realizes the double-screw bolt pre-installation, realizes the automation of multiple style appearance double-screw bolt and snatchs, and very big degree has improved personnel's operating efficiency and robot welding efficiency. The stud pre-installation rotating table matched with reasonable design greatly facilitates stud installers and ensures that one person can complete multi-stud installation.

Description

Single-upright-column stud gripper

Technical Field

The utility model belongs to the technical field of automobile parts makes and specifically relates to a single-upright-column double-screw bolt tongs is related to.

Background

The studs on the two sides of the rain gutter on the top cover of the automobile can realize the mounting function of various decorative parts, the size is small, the number is large, the studs are distributed around the top cover, and the positioning, the grabbing and the mounting of the studs are difficult points of process design generally. At present, a stud clamp is generally integrated on a welding clamp by a vehicle frame, then a stud is manually installed on the clamp, and after the stud is installed, the stud and a top cover rainwater tank are positioned through a cylinder and then welded.

This approach has several disadvantages: 1. because the studs are generally bilaterally symmetrical, the area of the top cover is large, the top cover clamp is generally large, and people are generally required to be arranged on two sides of the top cover clamp to install the studs, so that more labor is occupied; 2. the stud is fixed on the top cover welding fixture, and the time for mounting the stud occupies the beat of welding dotting of the top cover, so that the dotting efficiency is low; 3. due to the fact that the number of the studs is large, stud clamping units are large, complexity of the top cover welding fixture is increased, the welding interference area of the top cover is increased, and welding efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a single-column double-screw bolt tongs realizes that the automation of many style double-screw bolts snatchs, and very big degree has improved personnel's operating efficiency and robot welding efficiency. Through using the utility model discloses a single-column tongs can part the installation of double-screw bolt support and top cap welding jig, has greatly improved the installation effect.

The utility model adopts the technical proposal that: the utility model provides a single-upright stud tongs, includes the installation arm and sets up the grabbing device who is used for snatching single-upright stud on the installation arm, its characterized in that: the grabbing device comprises a first clamping jaw, a second clamping jaw and a driving mechanism, the driving mechanism drives the first clamping jaw and the second clamping jaw to move, the second clamping jaw is close to or far away from the first clamping jaw, and the grabbing device grabs or loosens the single-upright-column stud.

Preferably, the end part of the first clamping jaw is provided with a first semicircular groove, the end part of the second clamping jaw is provided with a second semicircular groove, and the first semicircular groove is matched with the second semicircular groove to clamp the cylinder of the single-upright-column stud.

Furthermore, anti-skid ribs are arranged in the first semicircular groove and the second semicircular groove.

Furthermore, an anti-torsion claw is fixedly arranged on the driving mechanism, an anti-torsion stop block is arranged at the end part of the anti-torsion claw, and when the cylinder of the single-upright-column stud is clamped, the anti-torsion stop block abuts against the side face of the screw cap of the single-upright-column stud.

Furthermore, the driving mechanism adopts an air cylinder, the air cylinder drives the first clamping jaw and the second clamping jaw to move through two piston rods respectively, and the anti-torsion jaw is fixedly arranged on a cylinder body of the air cylinder.

Furthermore, a guide block is arranged on the cylinder body of the air cylinder, and the driving mechanism drives the first clamping jaw and the second clamping jaw to move along a guide groove of the guide block.

Furthermore, an air-break-proof protection spring is arranged between the first clamping jaw and the second clamping jaw.

Preferably, the mounting arm is connected with the manipulator through a base.

Furthermore, reinforcing ribs are arranged on the mounting arms.

The utility model discloses the beneficial effect who gains is: through the motion of the first jack catch of actuating mechanism drive and second jack catch, first jack catch mutually supports with the second jack catch and snatchs single-upright-column double-screw bolt automatically, then accurately places to the corresponding position department of top cap rainwater groove, realizes the double-screw bolt pre-installation, realizes the automation of multiple style appearance double-screw bolt and snatchs, and very big degree has improved personnel's operating efficiency and robot welding efficiency. The stud pre-installation rotating table matched with reasonable design greatly facilitates stud installers and ensures that one person can complete multi-stud installation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the anti-twist grip of FIG. 1 with the anti-twist grip removed;

FIG. 3 is a schematic structural view of the grasping apparatus;

FIG. 4 is a schematic structural view of an anti-twist pawl;

FIG. 5 is a schematic structural view of a single stud;

reference numerals: 1. mounting an arm; 11. reinforcing ribs; 2. a base; 3. a drive mechanism (cylinder); 41. a first jaw; 411. a first semicircular groove; 42. a second jaw; 421. a second jaw; 43. a torsion-proof claw; 431. an anti-twist stop; 5. a gas-break prevention protection spring; 6. a guide block; 7. a single-upright stud; 71. a cylinder; 72. and (4) a nut.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the utility model discloses a single-upright-column double-screw bolt tongs, including installation arm 1 and grabbing device, the one end of installation arm 1 is equipped with base 2, and base 2 passes through the bolt to be connected with the manipulator, and the other end of installation arm 1 passes through grabbing device to be connected, and the manipulator transports grabbing device to the assigned position, and grabbing device catches or loosens single-upright-column double-screw bolt 7.

Referring to fig. 3, in the embodiment, the gripping device includes a first jaw 41, a second jaw 42 and a driving mechanism 3, the driving mechanism 3 is fixedly connected with the mounting arm 1, the driving mechanism 3 drives the first jaw 41 and the second jaw 42 to move, the first jaw 41 and the second jaw 42 are close to or far away from each other, and the gripping device grips or releases the stud 7.

In this embodiment, the driving mechanism 3 is a cylinder, and two piston rods are disposed on the cylinder and respectively connected to the first jaw 41 and the second jaw 42; the end of the first claw 41 is provided with a first semicircular groove 411, the end of the second claw 42 is provided with a second semicircular groove 421, the first claw 41 and the second claw 42 are driven by the air cylinder to approach each other, and the first semicircular groove 411 is matched with the second semicircular groove 421 to grasp the cylinder 71 of the single-column stud 7. The anti-slip ribs are arranged in the first semicircular groove 411 and the second semicircular groove 421, so that the friction force between the column body 71 and the first semicircular groove 411 and the second semicircular groove 421 is increased, and the column body 71 is grabbed more tightly by the first clamping jaw 41 and the second clamping jaw 42.

And an air-break-proof protection spring 5 is arranged between the first clamping jaw 41 and the second clamping jaw 42, so that the single-column stud 7 is prevented from falling off due to accidental air break of the air cylinder in the moving process after the single-column stud 7 is grabbed by the grabbing device.

In the present embodiment, as shown in fig. 4 to 5, the driving mechanism (cylinder) 3 is fixedly provided with the anti-rotation claw 43 (the anti-rotation claw is fixedly provided on the cylinder body), the end of the anti-rotation claw 43 is provided with the anti-rotation stopper 431, and when the cylinder 71 of the stud 7 is clamped, the anti-rotation stopper 431 abuts against the side surface of the nut 72 of the stud 7 to limit the rotation of the stud 7.

In this embodiment, a guide block 6 is arranged on the cylinder body of the air cylinder 3, and the air cylinder 3 drives the first jaw 41 and the second jaw 42 to move along the guide groove of the guide block 6.

The mounting arm 1 is provided with the reinforcing rib 11, so that the structural strength is better.

The foregoing shows and describes the general principles and principal structural features of the invention. The present invention is not limited by the above-mentioned examples, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and improvements fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a single-column stud tongs, includes installation arm (1) and sets up the grabbing device who is used for snatching single-column stud (7) on installation arm (1), its characterized in that: the grabbing device comprises a first jaw (41), a second jaw (42) and a driving mechanism (3), the driving mechanism (3) drives the first jaw (41) and the second jaw (42) to move, the second jaw (42) is close to or far away from the first jaw (41), and the grabbing device grabs or loosens the single-column stud (7).

2. The single-stud bolt gripper as claimed in claim 1, wherein: first jack catch (41) tip is equipped with first semicircular groove (411), second jack catch (42) tip is equipped with second semicircular groove (421), first semicircular groove (411) and second semicircular groove (421) cooperation are cliied cylinder (71) of single-upright-column double-screw bolt (7).

3. The single stud bolt gripper as claimed in claim 2, wherein: and anti-skid ribs are arranged in the first semicircular groove (411) and the second semicircular groove (421).

4. The single stud bolt gripper as claimed in claim 2, wherein: the driving mechanism (3) is fixedly provided with an anti-torsion claw (43), the end part of the anti-torsion claw (43) is provided with an anti-torsion stopper (431), and when a cylinder (71) of the single-upright stud (7) is clamped, the anti-torsion stopper (431) abuts against the side surface of a nut (72) of the single-upright stud (7).

5. The single stud bolt gripper as claimed in claim 4, wherein: the driving mechanism (3) adopts an air cylinder, the air cylinder respectively drives the first clamping jaw (41) and the second clamping jaw (42) to move through two piston rods, and the anti-torsion jaw (43) is fixedly arranged on an air cylinder body.

6. The single stud bolt gripper as claimed in claim 5, wherein: the pneumatic clamping device is characterized in that a guide block (6) is arranged on the cylinder body of the air cylinder, and the air cylinder drives the first clamping jaw (41) and the second clamping jaw (42) to move along a guide groove of the guide block (6).

7. The single stud bolt gripper as claimed in claim 5, wherein: and an anti-gas-break protection spring (5) is arranged between the first clamping jaw (41) and the second clamping jaw (42).

8. The single-stud bolt gripper as claimed in claim 1, wherein: the mounting arm (1) is connected with the manipulator through the base (2).

9. The single-upright stud gripper according to any one of claims 1 to 8, wherein: and reinforcing ribs (11) are arranged on the mounting arm (1).

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