Rotary clamping device for automobile forgings

By setting a limiting disc and downward pressure assembly in the rotation clamping device of the automobile forging, the problem of insufficient disengagement of the transmission rod from the slide chute and the upper and lower limits is solved, stable clamping of the workpiece and multi-directional limit are achieved, and the fixing effect during rotation is improved.

CN223130502UActive Publication Date: 2025-07-22DANJIANGKOU SHENGDA FORGE CO LTD

Patent Information

Application Number
CN202422295156.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-07-22
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The existing rotary clamping device of automobile forgings is prone to break away from the slide chute during the movement of the transmission rod, and the clamping claws lack up-down limits, resulting in unstability of the workpiece.

Method used

A limiting disk is provided at the lower end of the connecting rod, and a downward pressure assembly is provided inside the clamp. The rotating disk drives the connecting rod to rotate by a motor, combining the limiting disk and the downward pressure assembly to achieve multi-directional fixation of the workpiece.

Benefits of technology

The stable clamping and multi-directional limit of the workpiece are achieved, and the stability and fixing effect of the workpiece during rotation are improved.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223130502U_ABST
    Figure CN223130502U_ABST
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Abstract

The utility model discloses an automobile forge piece rotating and clamping device which comprises a base, and a rotating assembly used for rotating a machining position is arranged in the base. A mounting seat is arranged at the upper end of the base, and a clamping assembly for conveniently fixing a workpiece is arranged on the mounting seat; the clamping assembly comprises a rotating disc rotationally connected to the bottom of the mounting base, the second motor is arranged, the second motor drives the rotating disc to rotate, the rotating disc drives the connecting rod to rotate, when the connecting rod rotates, under the action of the guide groove, the connecting rod moves towards the disc center of the fixing disc, the connecting rod drives the clamping block to move, and the clamping block clamps a workpiece. In the moving process of the connecting rod, the limiting disc limits the connecting rod, after the workpiece is fixed, the electric telescopic rod drives the semi-arc-shaped block to ascend, the semi-arc-shaped block drives the right-angle rod to rotate, the right-angle rod rotates under the action of the rotating shaft, the right-angle rod presses the workpiece downwards, and the position of the upper portion of the workpiece is limited.
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Description

Technical Field

[0001] The utility model relates to the technical field of rotary clamping devices, in particular to a rotary clamping device for automobile forgings. Background Art

[0002] The automotive forging rotary clamp is a device used to fix and clamp automotive forgings. It usually consists of a clamping mechanism, a rotary device and a control system. The clamping mechanism is the main part and is used to clamp and fix the forgings. It can be in many forms, such as clamping claws, clamping pliers, etc. The design of the clamping mechanism should take into account factors such as the size, shape and material of the forging to ensure that the clamping force is uniform and the forging does not slip or deform. The rotary device is used to control the rotation of the forging. It can be manually operated or electrically or hydraulically driven. The rotary device allows the operator to easily adjust and position the forgings while ensuring that the forgings rotate smoothly and steadily. The control system is used to control the actions of the clamping mechanism and the rotary device.

[0003] The prior art provides a rotating clamping device for automobile forgings (Announcement No.: CN219310716U), which includes a base, a circular groove is formed through the upper end of the base, a limiting groove is formed at the lower end of the base, a main gear is connected to the limiting groove by the rotation of the motor shaft, a rotating plate is installed at the upper end of the base, a rotating seat is welded at the lower end of the rotating plate, a gear ring is welded at the lower end of the rotating seat, a transmission mechanism is installed at the upper end of the rotating plate, and a clamping table is installed at the upper end of the transmission circular plate in the transmission mechanism. The beneficial effect of the utility model is that when it is necessary to clamp the automobile forging, the automobile forging is first placed on the clamping table, the clamping component is driven to approach the automobile forging through the transmission mechanism, the automobile forging is clamped and fixed by the clamping claws, and the fixed automobile forging can be accurately located at the center of the upper end of the clamping table, so that the automobile forging can be positioned during the clamping process.

[0004] However, the device still has the following defects:

[0005] When the device is in use, the transmission rod has no limit. During the movement, the transmission rod is easy to disengage from the slide slot, affecting the fixation of the device to the workpiece. At the same time, there is a protrusion on the upper end of the clamping claw, but the height of the protrusion is fixed. Generally, it can only clamp the workpiece. The workpiece lacks limit in the up and down directions and is prone to instability. Therefore, we need to propose a rotating clamping device for automotive forgings. Utility Model Content

[0006] The purpose of the utility model is to provide a rotating clamping device for automobile forgings, wherein a limit plate is arranged at the lower end of a connecting rod, and a pressing assembly is arranged inside a clamping block, so as to perform secondary fixation on the workpiece to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions:

[0008] An automotive forging rotary clamping device includes a base, and a rotary assembly for rotating the machining position is arranged inside the base;

[0009] An installation seat is arranged at the upper end of the base, and a clamping assembly for facilitating the fixation of the workpiece is arranged on the installation seat;

[0010] The clamping assembly includes a rotary disk rotatably connected to the bottom of the installation seat. The output shaft of a second motor is fixedly connected inside the rotary disk. A plurality of arc-shaped grooves distributed annularly are formed inside the rotary disk. Connecting rods are slidably connected inside the plurality of arc-shaped grooves. The upper ends of the connecting rods are fixedly connected with clamping blocks. A fixed disk is fixedly connected to the upper end of the installation seat. A plurality of guide grooves distributed annularly are formed inside the fixed disk. The plurality of guide grooves all point to the center of the fixed disk, and the plurality of guide grooves are respectively slidably connected with the plurality of connecting rods. A pressing-down assembly for secondarily fixing the workpiece is arranged inside the clamping block.

[0011] Preferably, the rotary assembly includes a first motor fixedly installed inside the base. A worm is fixedly connected to the output shaft of the first motor. The worm is rotatably connected to the base. A worm gear is meshed outside the worm. The worm gear is fixedly connected with a rotary seat.

[0012] Preferably, a rotary seat is rotatably connected inside the base. The rotary seat is fixedly connected with the installation seat.

[0013] Preferably, limit disks are fixedly connected to the lower ends of the plurality of connecting rods. The limit disks are slidably connected with the rotary disk.

[0014] Preferably, the pressing-down assembly includes right-angle rods rotatably connected inside the plurality of clamping blocks. Two symmetrically distributed rotating shafts are fixedly connected to the outer sides of the plurality of right-angle rods. The two rotating shafts are rotatably connected with the clamping blocks. Semi-circular blocks are slidably connected to the lower ends of the plurality of right-angle rods. Electric telescopic rods are fixedly installed on the side walls of the clamping blocks. The output ends of the electric telescopic rods are fixedly connected with semi-circular blocks.

[0015] Preferably, the plurality of clamping blocks are all U-shaped, and installation holes for facilitating the installation of the rotating shafts are formed inside the plurality of clamping blocks.

[0016] Preferably, the right-angle rods and the semi-circular blocks are both magnetic, and the right-angle rods are magnetically connected with the semi-circular blocks.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] In this utility model, a second motor is provided. The second motor drives the rotating disk to rotate, and the rotating disk drives the connecting rod to rotate. When the connecting rod rotates, under the action of the guiding groove, it moves towards the center of the fixed disk. The connecting rod drives the clamping block to move, and the clamping block clamps the workpiece. During the movement of the connecting rod, the limiting disk limits the connecting rod. After the workpiece is fixed, the electric telescopic rod drives the semi-circular block to rise, and the semi-circular block drives the right-angle rod to rotate. The right-angle rod rotates under the action of the rotating shaft, and the right-angle rod presses down on the workpiece to limit the upper part of the workpiece. Brief Description of the Drawings

[0019] Figure 1 is a structural schematic diagram of this utility model;

[0020] Figure 2 is an internal structural schematic diagram of the base of this utility model;

[0021] Figure 3 is an internal structural schematic diagram of the rotating seat of this utility model;

[0022] Figure 4 is an unfolded structural schematic diagram of the clamping assembly of this utility model.

[0023] In the figure: 1, base; 2, first motor; 3, worm; 4, worm gear; 5, rotating seat; 6, mounting seat; 7, clamping assembly; 71, rotating disk; 72, second motor; 73, arc groove; 74, connecting rod; 75, clamping block; 76, fixed disk; 77, guiding groove; 78, pressing-down assembly; 781, right-angle rod; 782, rotating shaft; 783, semi-circular block; 784, electric telescopic rod. Detailed Description of the Preferred Embodiments

[0024] Next, the technical solutions in the embodiments of this utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of this utility model.

[0025] Please refer to Figures 1-4 , this utility model provides a technical solution: an automotive forging rotary clamping device, including a base 1, and a rotating assembly for rotating the machining position is arranged inside the base 1; an installation seat 6 is arranged at the upper end of the base 1, and a clamping assembly 7 for facilitating the fixation of the workpiece is arranged on the installation seat 6;

[0026] The clamping assembly 7 includes a rotating disk 71 rotatably connected to the bottom of the mounting seat 6. The output shaft of a second motor 72 is fixedly connected inside the rotating disk 71. A plurality of arc-shaped grooves 73 distributed annularly are formed inside the rotating disk 71. Connecting rods 74 are slidably connected inside the plurality of arc-shaped grooves 73. The upper ends of the connecting rods 74 are fixedly connected with clamping blocks 75. A fixed disk 76 is fixedly connected to the upper end of the mounting seat 6. A plurality of guiding grooves 77 distributed annularly are formed inside the fixed disk 76. A pressing-down assembly 78 for secondarily fixing the workpiece is arranged inside the clamping block 75.

[0027] The rotating assembly includes a first motor 2 fixedly installed inside the base 1. A worm 3 is fixedly connected to the output shaft of the first motor 2. The worm 3 is rotatably connected to the base 1. A worm gear 4 is meshed outside the worm 3. The worm gear 4 is fixedly connected to the rotating seat 5.

[0028] Through the cooperation of structures such as the first motor 2 and the worm 3, the technical effect that the first motor 2 drives the worm 3 to rotate, the worm 3 drives the worm gear 4 to rotate, and the worm gear 4 drives the rotating seat 5 to rotate is achieved. The technical problem that there are gaps and impacts when using gear transmission during the rotation of the rotating seat 5 is solved. The transmission of the worm 3 and the worm gear 4 runs smoothly with less noise. The transmission of the worm 3 and the worm gear 4 can achieve a larger transmission ratio, and the transmission of the worm 3 and the worm gear 4 has a self-locking characteristic, that is, when there is no driving force, the transmission device can prevent the reverse rotation of the driving part.

[0029] A rotating seat 5 is rotatably connected inside the base 1. The rotating seat 5 is fixedly connected to the mounting seat 6.

[0030] Through the cooperation of the structures of the rotating seat 5 and the mounting seat 6, the technical effect of controlling the angle of the mounting seat 6 when the rotating seat 5 rotates is achieved. The technical problem that the mounting seat 6 is not convenient to rotate is solved.

[0031] All the plurality of guiding grooves 77 point to the center of the fixed disk 76, and the plurality of guiding grooves 77 are respectively slidably connected with the plurality of connecting rods 74.

[0032] Through the cooperation of the guiding grooves 77 and the fixed disk 76 structures, the technical effect that the rotating disk 71 drives the connecting rod 74 to rotate, and when the connecting rod 74 rotates, under the action of the guiding groove 77, it moves towards the center of the fixed disk 76 to achieve the clamping effect is achieved. The technical problem that the conventional clamping tooling has unstable clamping is solved.

[0033] Limit disks are fixedly connected to the lower ends of the plurality of connecting rods 74. The limit disks are slidably connected to the rotating disk 71.

[0034] Through the cooperation of the connecting rod 74 and the limit disk structures, the technical effect that the limit disk limits the connecting rod 74 during the movement of the connecting rod 74 is achieved. The technical problem that the connecting rod 74 has no limit and is prone to falling off during use is solved.

[0035] The pressing-down component 78 includes a right-angle rod 781 rotatably connected inside multiple clamping blocks 75. Symmetrically distributed two rotating shafts 782 are fixedly connected to the outer sides of the multiple right-angle rods 781, and both of the two rotating shafts 782 are rotatably connected to the clamping blocks 75. Semi-circular blocks 783 are slidably connected to the lower ends of the multiple right-angle rods 781, and an electric telescopic rod 784 is fixedly installed on the side wall of the clamping block 75, and a semi-circular block 783 is fixedly connected to the output end of the electric telescopic rod 784.

[0036] Through the cooperation of structures such as the right-angle rod 781 and the rotating shaft 782, the electric telescopic rod 784 drives the semi-circular block 783 to rise, the semi-circular block 783 drives the right-angle rod 781 to rotate, the right-angle rod 781 rotates under the action of the rotating shaft 782, and the right-angle rod 781 presses down on the workpiece, achieving the technical effect of pressing down on the workpiece and solving the technical problem of the lack of upper and lower direction limits for the workpiece.

[0037] The multiple clamping blocks 75 are all U-shaped, and installation holes for facilitating the installation of the rotating shafts 782 are provided inside the multiple clamping blocks 75.

[0038] Through the cooperation of the clamping block 75 and the installation hole structure, the U-shaped shape facilitates the installation of the right-angle rod 781 by the clamping block 75, and the installation hole facilitates the installation of the rotating shaft 782, achieving the technical effect and solving the technical problem that the right-angle rod 781 and the qualified rotating shaft 782 are not easy to install.

[0039] Both the right-angle rod 781 and the semi-circular block 783 have magnetism, and the right-angle rod 781 is magnetically connected to the semi-circular block 783.

[0040] Through the cooperation of the right-angle rod 781 and the semi-circular block 783 structures, the right-angle rod 781 is magnetically connected to the semi-circular block 783, facilitating the semi-circular block 783 to control the position of the right-angle rod 781 and at the same time facilitating the semi-circular block 783 to reset the right-angle rod 781, solving the technical problem that the right-angle rod 781 is not easy to reset.

[0041] Working principle: When the present utility model is in use, the second motor 72 drives the rotating disk 71 to rotate, the rotating disk 71 drives the connecting rod 74 to rotate. When the connecting rod 74 rotates, under the action of the guiding groove 77, it moves towards the center of the fixed disk 76, the connecting rod 74 drives the clamping block 75 to move, and the clamping block 75 clamps the workpiece. During the movement of the connecting rod 74, the limiting disk limits the connecting rod 74. After the workpiece is fixed, the electric telescopic rod 784 drives the semi-circular block 783 to rise, the semi-circular block 783 drives the right-angle rod 781 to rotate, the right-angle rod 781 rotates under the action of the rotating shaft 782, and the right-angle rod 781 presses down on the workpiece to limit the upper part of the workpiece. The first motor 2 drives the worm 3 to rotate, the worm 3 drives the worm gear 4 to rotate, and the worm gear 4 drives the rotating seat 5 to rotate.

[0042] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary clamping device for automobile forgings, characterized in that, Including: a base (1), a rotating component for rotating the processing position is arranged inside the base (1); a mounting seat (6) is arranged at the upper end of the base (1), and a clamping component (7) for facilitating the fixing of the workpiece is arranged on the mounting seat (6); the clamping component (7) includes a rotating disk (71) rotatably connected to the bottom of the mounting seat (6), the output shaft of a second motor (72) is fixedly connected inside the rotating disk (71), a plurality of arc-shaped grooves (73) distributed in a ring are formed inside the rotating disk (71), a connecting rod (74) is slidably connected inside each of the plurality of arc-shaped grooves (73), and a clamping block (75) is fixedly connected to the upper end of the connecting rod (74); a fixed disk (76) is fixedly connected to the upper end of the mounting seat (6), a plurality of guiding grooves (77) distributed in a ring are formed inside the fixed disk (76), all of the plurality of guiding grooves (77) point to the center of the fixed disk (76), and each of the plurality of guiding grooves (77) is slidably connected to one of the plurality of connecting rods (74), and a pressing-down component (78) for secondarily fixing the workpiece is arranged inside the clamping block (75).

2. The rotary clamping device for automotive forgings according to claim 1, wherein: the rotating component includes a first motor (2) fixedly installed inside the base (1), a worm (3) is fixedly connected to the output shaft of the first motor (2), the worm (3) is rotatably connected to the base (1), a worm gear (4) is meshed outside the worm (3), and the worm gear (4) is fixedly connected to a rotating seat (5).

3. The rotary clamping device for automotive forgings according to claim 2, wherein: a rotating seat (5) is rotatably connected inside the base (1), and the rotating seat (5) is fixedly connected to the mounting seat (6).

4. A rotary clamping device for automotive forgings according to claim 1, characterized in that: limit disks are fixedly connected to the lower ends of all of the plurality of connecting rods (74), and the limit disks are slidably connected to the rotating disk (71).

5. A rotary clamping device for automotive forgings according to claim 1, characterized in that: the pressing-down component (78) includes a right-angle rod (781) rotatably connected inside each of the plurality of clamping blocks (75), two symmetrically distributed rotating shafts (782) are fixedly connected to the outside of each of the plurality of right-angle rods (781), both of the two rotating shafts (782) are rotatably connected to the clamping block (75), a semi-arc-shaped block (783) is slidably connected to the lower end of each of the plurality of right-angle rods (781), an electric telescopic rod (784) is fixedly installed on the side wall of the clamping block (75), and the semi-arc-shaped block (783) is fixedly connected to the output end of the electric telescopic rod (784).

6. The rotary clamping device for automotive forgings according to claim 5, characterized in that: all of the plurality of clamping blocks (75) are U-shaped, and mounting holes for facilitating the installation of the rotating shafts (782) are formed inside all of the plurality of clamping blocks (75).

7. A rotary clamping device for automotive forgings according to claim 5, characterized in that: both the right-angle rod (781) and the semi-arc-shaped block (783) have magnetism, and the right-angle rod (781) is magnetically connected to the semi-arc-shaped block (783).

Citation Information

Patent Citations

  • Rotary clamping device for automobile forgings

    CN219310716U

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