CN105689944A - Adjustable flexible sheet part assembly clamp - Google Patents

Abstract

The invention discloses an adjustable flexible assembly fixture for thin plate parts, which comprises a bottom plate, a groove is opened on the bottom plate, a through hole is opened on the bottom surface of the groove, a turntable is installed in the groove, the turntable A connecting shaft is installed on the lower bottom surface of the turntable; a first stud and a second stud are installed on the upper bottom surface of the turntable, a four-link clamp is installed on the first stud, and a four-link clamp is installed on the second stud A positioning device is installed; the positioning device includes a positioning element and a washer, and the washer is sleeved on the second stud and is crimped and fixed by the positioning element; a handle and a clamping arm are installed on the four-link clamp , the clamping arm is provided with a strip-shaped through-slot, and the clamping arm is installed with a clamp through the strip-shaped through-slot and the first fixing bolt. An adjustable thin-plate flexible assembly fixture of the present invention can be connected with a motor to control the clamper and the positioning device to rotate in a horizontal position to reduce control errors, and the height of the positioning device can be adjusted.

Description

An adjustable flexible assembly fixture for thin plate parts

Technical field:

The invention relates to the technical field of clamps, in particular to an adjustable thin plate flexible assembly clamp.

Background technique:

Automobile thin-plate welding fixture is a positioning and clamping tool for assembling thin-plate parts, which has a vital impact on the quality of car body assembly. The welding fixture mainly fixes the workpiece in the three-dimensional working space through reasonable positioning and clamping, so as to ensure that the assembled thin plate maintains a stable and reliable state during the welding process. The "positioning block" type fixture is one of the most common thin plate fixtures at present. Most of the existing "positioning block" type fixtures adjust the position through a parallel mechanism, and there are certain errors in the position adjustment of the horizontal and vertical directions. However, the existing "positioning block" fixture has no other adjustment methods, so it is difficult to further improve the operation accuracy. In addition, most of the clamps and positioning blocks on the existing "positioning block" type fixtures are directly fixed on the bottom plate, which cannot be manually adjusted according to requirements, which reduces the scope of application of the fixture.

Invention content:

The purpose of the present invention is to solve the problems in the prior art, to provide an adjustable clamp that can be connected with the motor, control the clamper and the positioning device to rotate in the horizontal position, reduce the control error, and the height of the positioning device can be adjusted. Adjustable flexible assembly fixture for thin plate parts.

In order to achieve the above object, technical scheme of the present invention is:

An adjustable flexible assembly fixture for thin plate parts, including a bottom plate, a groove is opened on the bottom plate, a through hole is opened on the bottom surface of the groove, a turntable is installed in the groove, and a turntable is installed on the lower bottom surface of the turntable. A connecting shaft is installed, and the connecting shaft extends out of the bottom plate through the through hole; a first stud and a second stud are installed on the upper bottom surface of the turntable, and a four-link clamping rod is installed on the first stud. A positioning device is installed on the second stud; the positioning device includes a positioning element and a washer, and the washer is sleeved on the second stud and fixed by crimping the positioning element; the four-link A handle and a clamping arm are installed on the clamp, and a bar-shaped through slot is opened on the clamping arm, and a clamp is installed on the clamping arm through the bar-shaped through slot and the first fixing bolt.

A telescopic rod is installed on the handle, and the telescopic rod includes a telescopic inner rod and a telescopic outer rod. A chute is provided on the telescopic inner rod, and a second fixing bolt is installed on the telescopic outer rod. The rod and the telescopic outer rod are fixedly connected by the second fixing bolt.

A limit ring is installed on the end of the telescopic inner rod close to the handle.

An anti-skid sleeve is installed on the telescopic outer rod.

A self-lubricating anti-friction plate is installed in the groove between the base plate and the turntable.

The beneficial effects of the present invention are: an adjustable thin plate flexible assembly fixture of the present invention, a turntable is installed on the bottom plate, a first stud and a second stud are installed on the upper bottom of the turntable, a four-link clamp and a positioning The device is installed on the turntable through the first stud and the second stud respectively, so that the rod clamp and the positioning device can be disassembled. At the same time, the positioning device includes positioning elements and washers. The height of the positioning element is adjusted by the quantity, so that the application range of the assembly fixture is wider; the turntable can be connected to the motor through the connecting shaft, and the rotation of the turntable can be controlled by the motor, thereby adjusting the position of the four-link clamp and the positioning device. Reduce control error.

Description of drawings:

Fig. 1 is a structural schematic diagram of the present invention.

detailed description:

Example 1

An adjustable flexible assembly fixture for thin plate parts as shown in Figure 1 includes a bottom plate 1, a groove 2 is opened on the bottom plate 1, a through hole 21 is opened on the bottom surface of the groove 2, and a through hole 21 is opened on the bottom surface of the groove 2. A turntable 3 is installed inside, and a connecting shaft 31 is installed on the lower bottom surface of the turntable 3 , and the connecting shaft 31 extends out of the bottom plate 1 through the through hole 21 . The connecting shaft 31 is connected with the motor to control the turntable 3 in the horizontal direction, and reduce the control error by cooperating with the parallel structure. A self-lubricating anti-friction plate 11 is installed in the groove 2 between the bottom plate 1 and the turntable 3 to reduce the friction between the bottom plate 1 and the turntable 3 during rotation.

A first stud 32 and a second stud 33 are installed on the upper bottom surface of the turntable 3, a four-link clamp 4 is installed on the first stud 32, and a positioning device is installed on the second stud 33. device 5. The positioning device 5 includes a positioning element 51 and a washer 52 , the washer 52 is sleeved on the second stud 33 and fixed by crimping the positioning element 51 . The rod clamp 4 and the positioning device 5 are detachable. At the same time, the positioning device 5 includes a positioning element 51 and a washer 52. According to different usage conditions, the height of the positioning element 51 can be adjusted by increasing or decreasing the number of washers 52, so that the assembly Fixtures have a wider range of applications.

The four-link clamp 4 is equipped with a handle 6 and a clamping arm 7, and the clamping arm 7 is provided with a strip-shaped slot 72, and the clamping arm 7 passes through the strip-shaped slot 72 and the second A fixing bolt 73 is equipped with a clamp 71, and the position of the adjustment clamp 71 can be adjusted according to different usage conditions.

A telescopic rod 8 is installed on the handle 6, and the telescopic rod 8 includes a telescopic inner rod 81 and a telescopic outer rod 82. The telescopic inner rod 82 is provided with a chute 83, and the telescopic outer rod 82 is equipped with a Two fixing bolts 84 , the telescopic inner rod 81 and the telescopic outer rod 82 are fixedly connected by the second fixing bolt 84 . A limit ring 9 is installed on the end of the telescopic inner rod 81 close to the handle 6 to prevent the telescopic rod 8 from stretching excessively. An anti-slip sleeve 92 is installed on the telescopic outer rod 82 to prevent slipping when the four-link clamp 4 is manually controlled, and also to protect the four-link clamp 4 .

An adjustable flexible assembly fixture for thin plate parts in this embodiment, a turntable is installed on the bottom plate, a first stud and a second stud are installed on the upper bottom of the turntable, and the four-bar clamp and the positioning device pass through the first screw respectively. The column and the second stud are installed on the turntable, so that the rod clamp and the positioning device can be disassembled. At the same time, the positioning device includes positioning elements and washers. According to different usage conditions, the number of the positioning elements can be adjusted by increasing or decreasing the number of washers. The height makes the assembly fixture have a wider range of application; the turntable can be connected to the motor through the connecting shaft, and the turntable can be controlled by the motor to rotate, thereby adjusting the position of the four-link clamp and positioning device to reduce control errors.

Claims (5)

1. an adjustable sheet part flexible assembly fixture, it is characterized in that: include base plate (1), described base plate (1) offers groove (2), the bottom surface of described groove (2) offers through hole (21), rotating disk (3) is installed in described groove (2), being provided with connection axle (31) on the bottom surface of described rotating disk (3), described connection axle (31) extends to base plate (1) outward through through hole (21)；The upper bottom surface of described rotating disk (3) is installed the first stud (32) and the second stud (33), described first stud (32) is provided with double leval jib binding clasp (4), described second stud (33) is provided with positioner (5)；Described positioner (5) includes setting element (51) and packing ring (52), and it is upper and fixing by setting element (51) crimping that described packing ring (52) is socketed in described second stud (33)；Described double leval jib binding clasp (4) is provided with handle (6) and clamp arm (7), described clamp arm (7) offers bar shaped groove (72), described clamp arm (7) is provided with fixture (71) by the fixing bolt (73) of bar shaped groove (72) and first。

2. a kind of adjustable sheet part flexible assembly fixture according to claim 1, it is characterized in that: described handle (6) is provided with expansion link (8), described expansion link (8) includes flexible interior bar (81) and flexible outer bar (82), described flexible interior bar (82) offers chute (83), described flexible outer bar (82) is provided with the second fixing bolt (84), described flexible interior bar (81) and flexible outer bar (82) be fixedly linked by the second fixing bolt (84)。

3. a kind of adjustable sheet part flexible assembly fixture according to claim 2, it is characterised in that: described flexible interior bar (81) is provided with spacing collar (9) on one end of handle (6)。

4. a kind of adjustable sheet part flexible assembly fixture according to claim 2, it is characterised in that: described flexible outer bar (82) is provided with Anti-slip cover (92)。

5. a kind of adjustable sheet part flexible assembly fixture according to claim 1, it is characterised in that: in the groove (2) between described base plate (1) and rotating disk (3), self-lubricating antifriction plate (11) is installed。