CN218015402U - Clamp for riveting automobile frame - Google Patents

Abstract

The utility model relates to an anchor clamps are used in riveting of car frame belongs to car processing technology field. The upper fixture and the lower fixture are arranged on a double-layer track in a sliding mode, the upper fixture comprises a hanging scaffold, a plurality of double-jaw chucks are fixedly connected to the bottom end of the hanging scaffold, a base is embedded into the top end face of the lower track in a sliding mode, two rows of support rods are fixedly connected to the top end face of the base, a connecting rod is hinged to the top end of each support rod, the hinged shaft of each connecting rod and the corresponding support rod is parallel to the width direction of the double-layer track, a second air cylinder is fixedly connected to the free end of each connecting rod, the frame is clamped and limited through the two jaw chucks at the bottom end face of the hanging scaffold, the hinged angle of the connecting rod and the corresponding support rod on the lower track is adjusted, the output ends of the second air cylinders are attached to the surface of the frame in a relative matching mode, the contact surface area of the frame and the components for fixing the frame or supporting the frame is increased, and the probability of damage to the surface of the frame is relatively reduced.

Description

Clamp for riveting automobile frame

Technical Field

The utility model relates to an anchor clamps are used in riveting of car frame belongs to car processing technology field.

Background

In the riveting process of the automobile frame, because the shape of the automobile frame is irregular, the automobile frame needs to be temporarily fixed and angularly adjusted by using a clamp, and the frame can be riveted by using a riveting machine, in the process, because the number of contact points of the clamp and the frame is relatively small or the contact angle (the contact surface of the clamp cannot be well attached to the surface of the frame, the contact between the clamp and the frame is poor and the pressure is high) is relatively small, a part of the surface of the frame is contacted with the clamp, and the pressure is too high, so that the small amount of abrasion or deformation of the automobile frame is caused.

Disclosure of Invention

The utility model discloses the technical problem that will solve lies in: the utility model provides an automobile frame rivets uses anchor clamps, it has solved the wearing and tearing that the anchor clamps that automobile frame appears at the riveting in-process caused the frame or the problem of deformation.

The utility model discloses the technical problem that solve takes following technical scheme to realize:

the utility model provides an automobile frame anchor clamps for riveting, includes anchor clamps and lower anchor clamps, go up anchor clamps with anchor clamps slide to set up on a double-deck track down, double-deck orbital direction of delivery level right, double-deck track comprises last track and lower track, it includes a platform sling to go up anchor clamps, platform sling width direction with double-deck orbital width direction is the same, fixedly connected with a plurality of double-jaw chuck on the platform sling bottom width direction, track top face slides down and inlays and is equipped with a base, follow two rows of bracing pieces of fixedly connected with on double-deck orbital direction of delivery on the top face of base, the top of every bracing piece all articulates there is a connecting rod, the connecting rod with the articulated shaft of bracing piece parallels with double-deck orbital width direction, fixedly connected with second cylinder on the free end of connecting rod, the direction of movement of the output of second cylinder with the axis collineation of connecting rod, the fixed cover has been connect the collar on the lateral wall of the stiff end of second cylinder, fixedly connected with a third cylinder on the lateral wall of collar, third cylinder with output between them output end portion parallel, the negative pressure suction cup is connected with to the output of third cylinder.

As a preferable example, the middle part of the bottom end surface of the double-jaw chuck is fixedly connected with an upright post, and the bottom end of the upright post is fixedly connected with a hook.

As a preferred example, a rubber cushion block is fixedly connected to both the output end face of the second cylinder and the output end face of the double-jaw chuck.

The utility model has the advantages that: the utility model discloses a plurality of two jaw chucks of platform sling bottom face department carry out the centre gripping to the frame and prescribe a limit to, and the articulated angular adjustment of connecting rod-bracing piece department on the track under the deuterogamying for the laminating that the output of second cylinder matches relatively is on the frame surface, thereby realizes the contact surface area increase to the subassembly of the fixed and each centre gripping of frame or support frame and frame, causes the probability of damage also to the frame surface and descends relatively.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

fig. 3 is a schematic view of the structure of the negative pressure suction cup at the output end of the third cylinder according to the present invention.

In the figure: the device comprises an upper rail 1, a lower rail 2, a hanging scaffold 3, a double-jaw chuck 4, a support rod 6, a connecting rod 7, a second cylinder 8, a mounting ring 9, a third cylinder 10, a mounting seat 11 and a sucker structure 12.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.

As shown in figures 1-3, a fixture for riveting an automobile frame comprises an upper fixture and a lower fixture, wherein the upper fixture and the lower fixture are slidably arranged on a double-layer track, the conveying direction of the double-layer track is horizontal to the right and is a linear track, mechanical arms are arranged on two sides of the double-layer track, riveting equipment is fixedly connected to the free ends of the mechanical arms, the double-layer track consists of an upper track 1 and a lower track 2, a slide block is arranged on the upper track 1, a vertical rod body is fixedly connected to the bottom end face of the slide block, a hanging disc 3 is fixedly connected to the bottom end of the rod body, the upper fixture comprises a hanging disc 3, the width direction of the hanging disc 3 is the same as that of the double-layer track, a plurality of double-jaw chucks 4 are fixedly connected to the bottom end of the hanging disc 3 in the width direction (the effect of the double-jaw chucks 4 is similar to that of the three-jaw chucks, and the double-jaw chucks 4 move towards the middle area of the hanging disc 3 so as to clamp the top area of the automobile frame), because a plurality of double-jaw chucks 4 in the width direction of the hanging scaffold 3 are used for simultaneously clamping to deal with the irregular shape of the top of the frame, each double-jaw chuck 4 in the width direction carries out multi-point type clamping to the frame, thereby the extrusion force degree of an upper clamp to the surface of the frame can be reduced with high probability, a base is embedded in the top end surface of the lower rail 2 in a sliding way, two rows of support rods 6 are fixedly connected to the top end surface of the base along the conveying direction of the double-layer rail, the length direction of each row is parallel to the width direction of the double-layer rail, a connecting rod 7 is hinged to the top end of each support rod 6 (the connecting rod 7 and the support rod 6 are both straight pipe bodies), the angle adjustment and the angle limitation can be carried out on the hinge structure at the position through mechanical arms arranged at two sides of the double-layer rail, namely, the connecting rod 7 is clamped by the mechanical arms and is driven to rotate or stop, the hinge shafts of the connecting rod 7 and the support rods 6 are parallel to the width direction of the double-layer rail, the free end of the connecting rod 7 is fixedly connected with a second cylinder 8, the moving direction of the output end of the second cylinder 8 is collinear with the axis of the connecting rod 7, the outer side wall of the fixed end of the second cylinder 8 is fixedly sleeved with a mounting ring 9, the mounting ring 9 is fixedly sleeved on the outer side wall of the second cylinder 8 in a sleeve shape, the outer side wall of the mounting ring 9 is fixedly connected with a third cylinder 10, the third cylinder 10 connected with the mounting ring 9 is parallel to the output ends of the second cylinder 8, the end part of the output end of the third cylinder 10 is fixedly connected with a negative pressure sucker, the negative pressure sucker comprises a mounting seat 11 and a sucker structure 12, the mounting seat 11 is fixed on the output end of the third cylinder 10, the mounting seat 11 is in a cylindrical or cuboid structure, the axis of the mounting seat 11 and the axis of the output end of the third cylinder 10 are collinear, a columnar structure is embedded on the bottom end face of the mounting seat 11, a sucker structure 12 is sleeved at the bottom end of the columnar structure, the sucker structure 12 is made of rubber, the top end of the sucker structure 12 is wrapped by the columnar structure to drive the bottom end, the bottom end edge of the sucker structure 12 is approximately buckled with a bowl-shaped structure and is arranged on the surface of a vehicle frame, a passage is arranged on a negative pressure sucker, one end of the passage is located on the side wall of the mounting seat 11 (the end of the passage is used for being connected with a negative pressure pump outside the mounting seat 11 through a pipeline, the negative pressure pump is installed on a base in the lower rail 2), the horizontal direction of the passage is straight downwards after passing through the axis of the mounting seat 11, and the mounting seat 11, the columnar structure and the sucker structure 12 are sequentially penetrated.

The middle part of the bottom end face of the double-jaw chuck 4 is fixedly connected with a stand column, the bottom end of the stand column is fixedly connected with a hook, the frame is directly suspended through the hook, or the frame is wound and bound through a chain, a steel wire rope and the like and then hung on the hook through the steel wire rope or the chain, and therefore pressure in the clamping process of the upper clamp and the lower clamp is relieved.

Equal fixedly connected with rubber pad on the output terminal surface of second cylinder 8 and the output terminal surface of double-jaw chuck 4 for the contact surface increases, thereby reduces the pressure damage to workpiece surface.

The working principle is as follows: when the multi-point type frame clamping device is used, a hanging scaffold 3 sliding on an upper rail 1 clamps a frame in the front-back direction of a top area by utilizing a plurality of double-claw chucks 4 arranged on the bottom end face of the hanging scaffold 3, and clamps or supports the frame by matching with a support rod 6, a connecting rod 7, a second cylinder 8, a third cylinder 10, a mounting ring 9 and the like on the top end face of a base arranged on a lower rail 2 in a sliding manner, wherein the output end of the second cylinder 8 is firstly pressed against the surface of the frame through the extension of the output end of the second cylinder 8, and then the third cylinder 10 is extended, so that the output end of the third cylinder 10 is also contacted with the surface of the frame, a negative pressure pump is started, the negative pressure suction cup can be fixedly connected with the surface of the frame relatively firmly, the multi-point type frame clamping device is realized by clamping a plurality of groups of double-claw chucks 4 in the width direction of the top of the frame, the bottom of the frame is clamped by the output end of the second cylinder 8 on the connecting rod 7 and the negative pressure suction cup on the third cylinder 10, the pressure cup on each point type frame, the multi-point clamping device is reduced, the contact surface of each point is increased, and the contact surface of the frame is limited on the clamp which can be relatively firmly and is reduced in the frame in the hinging process.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications 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 (3)

1. The utility model provides an automobile frame rivets uses anchor clamps, includes anchor clamps and lower anchor clamps, go up anchor clamps with anchor clamps slide to set up on a double-deck track down, double-deck orbital direction of delivery level right, double-deck track comprises last track (1) and lower track (2), its characterized in that: go up anchor clamps and include a platform sling (3), platform sling (3) width direction with double-deck orbital width direction is the same, fixedly connected with a plurality of double-jaw chuck (4) on platform sling (3) bottom width direction, track (2) top face slides and inlays and is equipped with a base down, follow two rows of bracing pieces of fixedly connected with (6) on the orbital direction of delivery of double-deck on the face of top of base, the top of every bracing piece (6) all articulates there is a connecting rod (7), connecting rod (7) with the articulated shaft of bracing piece (6) parallels with double-deck orbital width direction, fixedly connected with second cylinder (8) on the free end of connecting rod (7), the moving direction of the output of second cylinder (8) with the axis collineation of connecting rod (7), fixed cover on the lateral wall of the stiff end of second cylinder (8) has connect collar (9), fixedly connected with a third cylinder (10) on the lateral wall of collar (9), third cylinder (10) with second cylinder (8) output looks parallel, the output of third cylinder (10) is connected with the sucking disc tip.

2. The automobile frame riveting clamp according to claim 1, characterized in that: the middle part of the bottom end face of the double-jaw chuck (4) is fixedly connected with an upright post, and the bottom end of the upright post is fixedly connected with a hook.

3. The automobile frame riveting clamp according to claim 1, characterized in that: and the output end face of the second cylinder (8) and the output end face of the double-jaw chuck (4) are fixedly connected with rubber cushion blocks.

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