Special clamping hand mechanism for stamping three-dimensional workpieces

Abstract

The utility model discloses a special gripper mechanism for stamping three-dimensional, which relates to the technical field of grippers, and comprises a photoelectric sensor, a three-dimensional big arm, a speed regulating cylinder and a clamping component, the speed regulating cylinder is arranged on the three-dimensional big arm through a limiting component, a mounting seat is arranged on a cylinder body of the speed regulating cylinder, and the clamping component is arranged on the mounting seat. The clamping assembly is arranged on the mounting base and is driven by the speed adjusting air cylinder to clamp a plate, and the photoelectric sensor is arranged on the side face of the mounting base and used for sensing passing of the plate. The driving plate is pushed to move through the piston rod and the connecting rod of the speed adjusting air cylinder, the upper clamp support is made to do arc-shaped motion, finally, the lower profiling adjusting clamping block and the upper profiling adjusting clamping block clamp the plate, and due to the use of the profiling adjusting clamping blocks, the clamping hand can be applied to clamping work of the plates with different angles (60-90 degrees), and the clamping efficiency is improved. And the mold can be quickly transferred together with the clamp during transfer production, so that the efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamping hand, concretely relates to a special clamping hand structure for stamping three dimensions. BACKGROUND

[0002] At present, with the rapid development of automobile stamping intelligence, the continuous innovation of three-dimensional multi-station die, when the plate needs to be transferred between stamping processes, pneumatic clamping hand structure is widely used. However, due to the different product models developed by the main machine factory, the clamping angle of the plate during stamping automation is different, which restricts the structure of the three-dimensional clamping hand. The general three-dimensional clamping hand structure is a single positive clamping standard structure, that is, the lower clamping hand device enters the lower part of the plate, and the upper clamping hand is clamped under the action of the air cylinder. However, this standard clamping hand structure is difficult to clamp and convey the process parts when clamping some four-side flanging type plates, because the clamping part angle of the workpiece (60° to 90°) is inconsistent with the traditional clamping angle (0° to 30°). SUMMARY

[0003] The utility model aims at providing a special clamping hand structure for stamping three dimensions to overcome the above-mentioned defects in the prior art.

[0004] A special clamping hand structure for stamping three dimensions, comprising a photoelectric sensor, a three-dimensional arm, a speed regulating cylinder and a clamping assembly. The speed regulating cylinder is arranged on the three-dimensional arm through a limiting assembly. An installation seat is arranged on the cylinder body of the speed regulating cylinder. The clamping assembly is arranged on the installation seat and clamps the plate under the drive of the speed regulating cylinder. The photoelectric sensor is arranged on the side of the installation seat and is used to sense the passing of the plate.

[0005] Preferably, the limiting assembly comprises a fixed plate, a fixed rod one, a connecting sleeve and a fixed rod two. The fixed rod one is connected with the three-dimensional arm through the fixed plate. One end of the connecting sleeve is arranged on the fixed rod one. The cylinder body of the speed regulating cylinder is connected with the other end of the connecting sleeve through the fixed rod two.

[0006] Preferably, the clamping assembly comprises a lower clamp holder, an upper clamp holder and a drive plate. The lower clamp holder is arranged on the side of the installation seat and has a lower profiling adjustment clamp block on the top. One end of the upper clamp holder is hinged with the lower clamp holder through a pin shaft. The other end of the upper clamp holder is provided with an upper profiling adjustment clamp block. One end of the drive plate is hinged with the upper clamp holder through a pin shaft. The other end of the drive plate is hinged with a connecting rod on the piston rod of the speed regulating cylinder through a pin shaft.

[0007] Preferably, the connecting sleeve is provided with a limiting groove at both ends. The fixed rod one and the fixed rod two are arranged in the limiting grooves respectively and are fixed with the connecting sleeve through bolts.

[0008] Preferably, the driving plate is provided with two and symmetrically arranged on both sides of the upper clamp support.

[0009] Preferably, the lower profiling adjusting clamp block and the profiling adjusting clamp block are provided with a plurality of clamping teeth on the opposite side.

[0010] Preferably, the photoelectric sensor is arranged on the limiting plate, and the limiting plate is connected with the lower clamp support through bolts.

[0011] The utility model discloses reached the beneficial effects are:

[0012] 1, the application changes the clamping angle, so that the plate is more conducive to fast clamping transmission, improves the punching speed, and the plate is more convenient and fast to take out;

[0013] 2, the application passes through the piston rod of speed regulating cylinder, and the connecting rod promotes the movement of the driving plate, and the upper clamp support makes arc movement, and finally the lower profiling adjusting clamp block and the upper profiling adjusting clamp block clamp the plate, the use of profiling adjusting clamp block makes this clamp hand can be used in the clamping work of different angle (60 ° to 90 °) plate, and when mold transfer line production, the clamp hand can be transferred together quickly, and the efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall structure schematic diagram of the utility model.

[0015] Fig. 2 It is the structure schematic diagram of the utility model limiting assembly and clamping assembly.

[0016] Fig. 3 It is the structure schematic diagram of the utility model clamping assembly.

[0017] In the figure, 1, three-dimensional arm; 2, speed regulating cylinder; 3, limiting assembly; 31, fixed plate one; 32, fixed rod one; 33, connecting sleeve; 331, limiting groove; 34, fixed rod two; 4, mounting seat; 5, clamping assembly; 51, lower clamp support; 52, lower profiling adjusting clamp block; 53, upper clamp support; 54, upper profiling adjusting clamp block; 55, driving plate; 56, connecting rod; 6, photoelectric sensor; 61, limiting plate. DETAILED DESCRIPTION

[0018] The specific embodiments of the utility model are further explained in detail by comparing the drawings and the description of the embodiments, to help the skilled in the art to have more complete, accurate and in-depth understanding of the concept and technical scheme of the utility model.

[0019] As Figs. 1-3The utility model provides a special clamp hand mechanism for stamping three -dimensional, including photoelectric sensor 6, three -dimensional big arm 1, speed regulating cylinder 2 and clamping assembly 5, speed regulating cylinder 2 is located three -dimensional big arm 1 through limiting component 3, limiting component 3 includes fixed plate, fixed link one 32, connecting sleeve 33 and fixed link two 34, fixed link one 32 is connected with three -dimensional big arm 1 through fixed plate, one end of connecting sleeve 33 is located fixed link one 32, the cylinder body of speed regulating cylinder 2 is connected with the other end of connecting sleeve 33 through fixed link two 34, both ends of connecting sleeve 33 are equipped with limiting groove 331 respectively, fixed link one 32 and fixed link two 34 are located limiting groove 331 respectively and are fixed with connecting sleeve 33 through bolt respectively, to be able to more quickly with the clamp hand on limiting component 3 dismounting is carried out,

[0020] In addition, the cylinder body of speed regulating cylinder 2 is equipped with mounting seat 4, clamping assembly 5 is located mounting seat 4 and is clamped to the board under the drive of speed regulating cylinder 2, clamping assembly 5 includes lower clamp holder 51, upper clamp holder 53 and drive plate 55, lower clamp holder 51 is located mounting seat 4 side and its top is equipped with lower profiling adjustment clamp block 52, one end of upper clamp holder 53 is hinged with lower clamp holder 51 through pin shaft, the other end of upper clamp holder 53 is equipped with upper profiling adjustment clamp block 54, the side opposite profiling adjustment clamp block of lower profiling adjustment clamp block 52 is equipped with a plurality of clamping teeth, to be able to more stably clamped to the board,

[0021] One end of drive plate 55 is hinged with upper clamp holder 53 through pin shaft, drive plate 55 is equipped with two and is symmetrically arranged on the both sides of upper clamp holder 53, the other end of drive plate 55 is hinged with the connecting rod 56 on the piston rod of speed regulating cylinder 2 through pin shaft.

[0022] In addition, photoelectric sensor 6 is located the side of mounting seat 4 and is used to induct the passing of board, photoelectric sensor 6 is located limiting plate 61, limiting plate 61 is connected with lower clamp holder 51 through bolt, conveniently photoelectric sensor 6 is dismounting is carried out on lower clamp holder 51,

[0023] Specific implementation and principle:

[0024] In use, the three-dimensional arm 1 is installed on the corresponding driving device of the stamping equipment, after the press completes a stamping, the corresponding driving device drives the three-dimensional arm 1 to move forward, the speed regulating cylinder 2 moves forward, the lower clamp support 51 moves to the predetermined position, when the photoelectric sensor 6 senses the plate, the collected signal is transmitted to the controller, the controller controls the piston rod of the speed regulating cylinder 2 to extend, the connecting rod 56 pushes the driving plate 55 to move, the upper clamp support 53 makes arc motion, finally the lower profiling adjustment clamp block 52 and the upper profiling adjustment clamp block 54 clamp the plate, then the driving device drives the three-dimensional arm 1 and the clamped plate to make parabolic motion to the next station, when the motion reaches the predetermined height, the controller controls the piston rod of the speed regulating cylinder 2 to retract, the lower profiling adjustment clamp block 52 and the upper profiling adjustment clamp block 54 release the plate at the next process, the driving device drives the three-dimensional arm 1 to retreat, and each moving part retreats to the starting point, thereby facilitating the next step work.

[0025] The above-mentioned embodiments of the present application do not constitute a limitation on the protection scope of the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A special gripping mechanism for three-dimensional stamping, comprising a photoelectric sensor (6), characterized in that: It also includes a three-dimensional boom (1), a speed-regulating cylinder (2) and a clamping assembly (5). The speed-regulating cylinder (2) is mounted on the three-dimensional boom (1) through a limiting assembly (3). The cylinder body of the speed-regulating cylinder (2) is provided with a mounting base (4). The clamping assembly (5) is mounted on the mounting base (4) and clamps the plate under the drive of the speed-regulating cylinder (2). The photoelectric sensor (6) is located on the side of the mounting base (4) and is used to sense the passage of the plate.

2. A special gripping mechanism for three-dimensional stamping according to claim 1, characterized in that: The limiting component (3) includes a fixing plate, a fixing rod one (32), a connecting sleeve (33) and a fixing rod two (34). The fixing rod one (32) is connected to the three-dimensional arm (1) through the fixing plate. One end of the connecting sleeve (33) is located on the fixing rod one (32). The cylinder body of the speed regulating cylinder (2) is connected to the other end of the connecting sleeve (33) through the fixing rod two (34).

3. A special gripping mechanism for three-dimensional stamping according to claim 1, characterized in that: The clamping assembly (5) includes a lower clamp bracket (51), an upper clamp bracket (53), and a drive plate (55). The lower clamp bracket (51) is located on the side of the mounting base (4) and has a lower contour adjustment block (52) on its top. One end of the upper clamp bracket (53) is hinged to the lower clamp bracket (51) by a pin. The other end of the upper clamp bracket (53) is provided with an upper contour adjustment block (54). One end of the drive plate (55) is hinged to the upper clamp bracket (53) by a pin. The other end of the drive plate (55) is hinged to the connecting rod (56) on the piston rod of the speed regulating cylinder (2) by a pin.

4. A special gripping mechanism for three-dimensional stamping according to claim 2, characterized in that: The connecting sleeve (33) has a limiting groove (331) at both ends. The first fixing rod (32) and the second fixing rod (34) are respectively located in the limiting groove (331) and are fixed to the connecting sleeve (33) by bolts.

5. A special gripping mechanism for three-dimensional stamping according to claim 3, characterized in that: The drive plate (55) has two plates and is symmetrically arranged on both sides of the upper clamp bracket (53).

6. A special gripping mechanism for three-dimensional stamping according to claim 3, characterized in that: The lower contouring adjustment clamp (52) and the side opposite to the contouring adjustment clamp are provided with several clamping teeth.

7. A special gripping mechanism for three-dimensional stamping according to claim 1, characterized in that: The photoelectric sensor (6) is mounted on the limiting plate (61), which is connected to the lower clamp bracket (51) by bolts.

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