CN211895069U - Quick handling device is got to automobile punching part getting - Google Patents

Abstract

The utility model relates to a quick handling device for picking and placing automobile stamping parts, which comprises a rocker mechanism, a gripper mechanism, a direction control mechanism and a gripper placing mechanism; the rocker mechanism comprises a rocker unit and a driving motor which are arranged in parallel, the rocker unit comprises a base, a left rocker and a right rocker, the left rocker and the right rocker are connected through a connecting rod, and the rockers perform left and right swinging actions under the action of the driving motor; the gripper mechanism comprises a gripper frame, a gripper and a gripper cylinder, and the direction control mechanism comprises a double-acting cylinder, a left spring and a right spring; the gripper placing mechanism comprises an inner positioning block and an outer positioning block, and a limiting block is arranged on the outer positioning block. The utility model can complete the transportation of the stamping parts by using one motor, thereby greatly saving the transportation time and improving the beat of the equipment; not only transport efficiency is high, labour saving and time saving, and the stamping workpiece is got and is put the position precision high, and the principle is simple moreover, only needs a motor drive, alright accomplish the transport operation of stamping workpiece, saves the cost.

Description

Quick handling device is got to automobile punching part getting

Technical Field

The utility model relates to a car punching part is got and is put quick handling device belongs to article transport technical field.

Background

At present, in an automobile welding workshop, in an automatic welding production line, certain stamping parts such as fenders, top cover outer plates, side wall outer plates and the like are firstly placed at a workpiece loading station by workers, then the stamping parts are conveyed to a robot grabbing station by conveying equipment, and a robot grabs a vehicle body welding station for welding.

When the robot grabs the stamping part, the stamping part is required to be accurate in position. Therefore, the position accuracy of the conveying equipment is required to be high. At present, a stamping part is mainly positioned by a plurality of positioning pins, a pin hole is formed in the stamping part, and the stamping part is vertically inserted into the positioning pins by equipment.

Therefore, the existing carrying equipment utilizes the hand grip, when the hand grip is above the workpiece loading station, as shown in fig. 1, the hand grip moves vertically and downwards to grip the stamping workpiece, then moves vertically and upwards for a certain distance, then grips the stamping workpiece and moves horizontally to bring the stamping workpiece above the next station, then grips the stamping workpiece and moves vertically and downwards to drop the stamping workpiece onto the positioning pin, then the equipment moves upwards, and then moves horizontally to return to the workpiece loading station. One cycle is completed.

However, the efficiency of the carrying equipment is low, because the carrying of a stamping part gripper needs three processes of ascending, translation and descending, and each process needs the motor to start, accelerate, run at uniform speed and decelerate and stop. The three processes are discontinuous, the gripper also goes through the three processes during the return stroke, and each process needs the motor to start, accelerate, run at uniform speed and decelerate and stop. Therefore, the requirements of high beat and high efficiency of an automatic production line can not be met.

As can be seen from the above, the conventional conveyance of stamped parts has the following problems: 1. the carrying process of the carrying equipment with precise positioning consists of three discontinuous processes, three motor running periods exist, the time is long, and the working efficiency of an automatic production line can be influenced. 2. The linear motion of three not equidirectional utilizes the motor to drive, becomes rotary motion linear motion, needs motion conversion equipment, for example rack and pinion, sprocket chain, nut lead screw etc. the translation needs a motor in addition, rises, descends and needs a, and these all can make production line increase cost. 3. Three processes are required for one operation, a locking device is required to be added to ensure the accurate position of the gripper, and the cost of the equipment is increased again.

Disclosure of Invention

The utility model discloses to prior art's not enough, provide a simple structure, only need a motor alright realize the removal of stamping workpiece position, with low costs, handling efficiency is high, saves transport time greatly, and the automobile punching part of improve equipment's beat gets puts quick handling device.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a quick carrying device for picking and placing automobile stamping parts comprises a rocker mechanism, a hand grab mechanism arranged on the rocker mechanism, a direction control mechanism used for controlling the running direction of the hand grab mechanism and a hand grab placing mechanism used for limiting the hand grab mechanism to do vertical motion;

the rocker mechanism comprises rocker units and a driving motor which are arranged in parallel, the rocker units are connected through a connecting arm, each rocker unit comprises a base, a left rocker and a right rocker, the left rocker and the right rocker are arranged on the base, the left rocker and the right rocker are connected through a connecting rod, and the left rocker and the right rocker can swing left and right on the base under the action of the driving motor;

the gripper mechanism comprises a gripper frame, a gripper arranged on the gripper frame and a gripper cylinder used for driving the gripper to take and place workpieces, gripper brackets are respectively arranged on the front side and the rear side of the gripper frame, the gripper brackets are slidably mounted on the connecting rod through a left roller bracket and a right roller bracket, and a left limiting pin and a right limiting pin are arranged on the connecting rod on the outer sides of the left roller bracket and the right roller bracket;

the direction control mechanism comprises a double-acting air cylinder, a left spring and a right spring, wherein the double-acting air cylinder is arranged on the connecting rod and between the left roller wheel bracket and the right roller wheel bracket;

the gripper placing mechanism comprises an outer positioning block and an inner positioning block which are arranged on two sides of the upper part position and the taking part position, the inner positioning block and the outer positioning block are respectively provided with an inner positioning surface and an outer positioning surface, and the outer positioning surfaces are provided with limiting blocks for positioning the left side edge and the right side edge of the gripper frame.

The utility model has the advantages that: the rocker mechanism is driven by one motor, so that the movement of the stamping part at two positions, namely an upper part position and a taking position, can be realized, the position precision can be ensured, the carrying of the stamping part can be completed by one-time operation action of one motor, and only one motor is started to accelerate, operates at uniform speed and decelerates and stops; the carrying time is greatly saved, and the beat of the equipment is improved; when the equipment gripper returns, the equipment gripper is the reverse action of carrying, only one motor is needed to operate once, and the returning process is time-saving, so that more time is left for workers to load the workpieces; the rocker mechanism makes a curve motion under the action of the motor, and the design of the cylinder spring device meets the requirement that the gripper moves in the vertical direction when falling, so that the positioning effect of the gripper is ensured. In a word, the utility model discloses simple structure, convenient operation, not only handling efficiency is high, labour saving and time saving, and transport position precision is high, and the stamping workpiece is got and is put the position precision high, and the principle is simple moreover, only needs a motor drive, alright accomplish the transport operation of stamping workpiece, saves the cost.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

The gripper frame further comprises a positioning mechanism, the positioning mechanism comprises a positioning pin and a pin hole matched with the positioning pin, the positioning pin is arranged on the inner positioning surface and the outer positioning surface, the left side edge and the right side edge of the gripper frame are respectively provided with a positioning plate, and the pin hole is arranged on the positioning plate.

The beneficial effect who adopts above-mentioned further scheme is that, rocker mechanism makes the curvilinear motion under the motor effect, and the design of cylinder spring satisfies that the tongs can guarantee that the locating pin is vertical when vertical whereabouts to insert downthehole to the locating pin, and the location effect of better assurance tongs can guarantee the precision of stamping workpiece handling position when realizing the stamping workpiece position removal. The side edge of the gripper frame impacts a limiting block, the rocker continues to move, the spring is compressed, the gripper mechanism vertically moves downwards, the gripper frame vertically moves downwards along with the vertical downward movement of the gripper mechanism, pin holes in a positioning plate on the side edge of the gripper frame are matched with positioning pins on a positioning block to accurately fall, after the gripper frame is accurately positioned, the double-acting air cylinder can release air, and a piston rod of the double-acting air cylinder returns to a middle position under the action of the springs on the two sides to wait for the next action.

Furthermore, the driving motor is connected with the left rocker or the right rocker through a connecting rod transmission mechanism, the connecting rod transmission mechanism comprises an input rod, a force transmission rod and a rocker arm, one end of the input rod is connected with an output shaft of the driving motor, the other end of the input rod is hinged with one end of the force transmission rod, the other end of the force transmission rod is hinged with one end of the rocker arm, the other end of the rocker arm is connected with a rocker arm shaft, the rocker arm shaft is rotatably installed on the base, and the left rocker or the right rocker arm is connected with the rocker arm shaft.

The beneficial effect who adopts above-mentioned further scheme is, add the connecting rod drive mechanism between motor and rocker mechanism, can reduce the requirement to the maximum output torque of motor on the one hand, and the impact force of on the other hand rocker mechanism action does not directly act on the output shaft of motor, reduces the damage to the motor, makes the transmission more steady, still makes things convenient for driving motor's installation in addition, and driving motor accessible mounting panel is installed on the workstation, avoids influencing the left and right reciprocal swing of rocking arm.

Furthermore, the left and right roller wheel brackets are provided with an upper roller wheel and a lower roller wheel which can roll along the top and the bottom of the connecting rod.

Adopt above-mentioned further scheme's beneficial effect is that, tongs mechanism passes through the gyro wheel support mounting and moves on the connecting rod, and the design of upper and lower gyro wheel changes the hard friction between gyro wheel support and the connecting rod into rolling friction, has reduced the friction between gyro wheel support and the connecting rod, and it is more convenient that tongs mechanism swings and snatchs the work piece.

Further, the tongs is installed through the tongs mounting panel on the tongs frame, the tongs includes last clamping jaw and lower clamping jaw, it installs to go up the clamping jaw on the tongs mounting panel, the tongs cylinder is installed on the tongs mounting panel, the middle part of lower clamping jaw articulates on the tongs mounting panel, the piston rod of tongs cylinder with the outer end of lower clamping jaw is articulated.

The gripper mechanism comprises a gripper cylinder, a lower clamping jaw and a gripper cylinder, wherein the gripper cylinder is connected with the gripper cylinder, and the gripper cylinder is connected with the gripper cylinder.

Furthermore, the number of the grippers is 2-8, and the grippers are symmetrically arranged on the left side and the right side of the gripper frame.

The beneficial effect who adopts above-mentioned further scheme is that, it is more stable to snatch the work piece, guarantees that the work piece is got and is put the position precision height.

Furthermore, the inner positioning block and the outer positioning block are respectively provided with 2.

Adopt above-mentioned further scheme's beneficial effect to be, interior locating piece has two, and the outside of locating piece including outer locating piece correspondence is placed, and four locating piece location tongs frames are more reliable and more stable.

Further, the double-acting air cylinder is installed below the connecting rod through an air cylinder installation frame.

Adopt above-mentioned further scheme's beneficial effect to be, double acting cylinder passes through the cylinder mounting panel to be installed between left and right gyro wheel support, simple to operate, and the debugging and the follow-up maintenance of being convenient for.

Further, the driving motor is installed on a motor installation seat, and the motor installation seat is arranged on the outer side of the base.

The beneficial effect who adopts above-mentioned further scheme is that, driving motor need not to install on the base, avoids driving motor to influence the horizontal hunting action of rocker, the installation and the maintenance of the motor of being convenient for simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of a process of transporting a stamping workpiece by using a conventional transporting device;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the gripper mechanism of the present invention;

fig. 4 is a schematic structural view of the gripper placing mechanism of the present invention;

FIG. 5 is a schematic structural view of the rocker mechanism of the present invention;

FIG. 6 is a schematic structural view of the rocker mechanism of the present invention in the intermediate position;

FIG. 7 is a schematic structural view of the rocking bar mechanism of the present invention in a state of swinging rightward;

fig. 8 is a schematic structural view of the rocker mechanism of the present invention in a leftward swinging state;

fig. 9 is a schematic view of the direction control mechanism and the gripper mechanism of the present invention;

fig. 10 is a schematic top view of the direction control mechanism and the gripper mechanism according to the present invention;

fig. 11 is a schematic structural view of the present invention with the initial position in the middle position;

fig. 12 is a schematic structural view of the present invention in a rightward swinging state;

FIG. 13 is a schematic structural view of the positioning plate swinging rightward to impact the position-limiting block;

fig. 14 is a schematic structural view of the right-swing positioning pin and pin hole fitting state of the present invention;

fig. 15 is a schematic structural view of the utility model in a state of swinging left after returning to the neutral position;

fig. 16 is a schematic structural view of the state that the positioning plate swings leftwards and impacts the limiting block;

fig. 17 is the structure diagram of the cooperation state of the positioning pin and the pin hole swung leftward in the present invention.

In the figure, 1, a base; 2. a left rocker; 3. a right rocker; 4. a connecting rod; 5. a connecting arm; 6. a drive motor; 7. a gripper frame; 8. a gripper cylinder; 9. a gripper bracket; 10. a left roller bracket; 11. a right roller bracket; 12. a left limit pin; 13. a right limit pin; 14. a double-acting cylinder; 141. a piston rod; 15. a left spring; 16. a right spring; 17. an outer positioning block; 18. an inner positioning block; 19. a limiting block; 20. positioning pins; 21. a pin hole; 22. positioning a plate; 23. an input lever; 24. a dowel bar; 25. a rocker arm; 26. an upper roller; 27. a lower roller; 28. a gripper mounting plate; 29. an upper clamping jaw; 30. a lower jaw; 31. a cylinder mounting frame; 32. a motor mounting seat; 33. a work table; 34. a workpiece loading position; 35. taking a piece position; 36. and (5) stamping.

Detailed Description

The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 2-17, a quick handling device for picking and placing automobile stamping parts comprises a rocker mechanism, a gripper mechanism arranged on the rocker mechanism, a direction control mechanism for controlling the operation direction of the gripper mechanism, and a gripper placing mechanism for limiting the gripper mechanism to do vertical movement;

the rocker mechanism comprises rocker units and a driving motor which are arranged in parallel, the rocker units are connected through a connecting arm 5, each rocker unit comprises a base 1, a left rocker 2 and a right rocker 3, the left rocker 2 and the right rocker 3 are arranged on the base 1, the left rocker 2 and the right rocker 3 are connected through a connecting rod 4, and the left rocker and the right rocker can perform left-right swinging motion on the base under the action of the driving motor 6; the base is arranged on the workbench;

the gripper mechanism comprises a gripper frame 7, a gripper arranged on the gripper frame 7 and a gripper cylinder 8 used for driving the gripper to take and place workpieces, gripper brackets 9 are respectively arranged on the front side and the rear side of the gripper frame, the gripper brackets are slidably mounted on the connecting rod through a left roller bracket and a right roller bracket, and a left limiting pin 12 and a right limiting pin 13 are arranged on the connecting rod on the outer sides of the left roller bracket 10 and the right roller bracket 11;

the direction control mechanism comprises a double-acting cylinder 14, a left spring 15 and a right spring 16, wherein the double-acting cylinder 14 is arranged on the connecting rod and between the left roller wheel bracket and the right roller wheel bracket;

the gripper placing mechanism comprises an outer positioning block 17 and an inner positioning block 18 which are arranged on two sides of the upper part position and the taking part position, inner and outer positioning surfaces are respectively arranged on the inner and outer positioning blocks, and a limiting block 19 used for positioning the left side edge and the right side edge of the gripper frame is arranged on the outer positioning surface. The inner positioning block and the outer positioning block are arranged on the workbench.

The gripper frame is characterized by further comprising a positioning mechanism, the positioning mechanism comprises a positioning pin 20 and a pin hole 21 matched with the positioning pin, the positioning pin is arranged on the inner positioning surface and the outer positioning surface, positioning plates 22 are respectively arranged on the left side edge and the right side edge of the gripper frame, and the pin hole is formed in the positioning plates. The rocker mechanism makes a curve motion under the action of the motor, the design of the cylinder spring meets the requirement that the gripper can ensure that the positioning pin is vertically inserted into the positioning pin hole when vertically falling, the positioning effect of the gripper is better ensured, and the precision of the carrying position of a stamping part can be ensured while the position of the stamping part is moved. The side edge of the gripper frame impacts a limiting block, the rocker continues to move, the spring is compressed, the gripper mechanism vertically moves downwards, the gripper frame vertically moves downwards along with the vertical downward movement of the gripper mechanism, pin holes in a positioning plate on the side edge of the gripper frame are matched with positioning pins on a positioning block to accurately fall, after the gripper frame is accurately positioned, the double-acting air cylinder can release air, and a piston rod of the double-acting air cylinder returns to a middle position under the action of the springs on the two sides to wait for the next action.

The driving motor is connected with the left rocker or the right rocker through a connecting rod transmission mechanism, the connecting rod transmission mechanism comprises an input rod 23, a force transmission rod 24 and a rocker arm 25, one end of the input rod is connected with an output shaft of the driving motor, the other end of the input rod is hinged with one end of the force transmission rod, the other end of the force transmission rod is hinged with one end of the rocker arm, the other end of the rocker arm is connected with a rocker arm shaft, the rocker arm shaft is rotatably installed on the base, and the left rocker or the right rocker arm is connected with the rocker arm shaft. Set up connecting rod drive mechanism between motor and rocker mechanism, can reduce the requirement to the biggest output torque of motor on the one hand, the impact force of on the other hand rocker mechanism action does not directly act on the output shaft of motor, reduces the damage to the motor, makes the transmission more steady, still makes things convenient for driving motor's installation in addition, and driving motor accessible mounting panel is installed on the workstation, avoids influencing the left and right reciprocal swing of rocking arm. The left rocker and the right rocker except the left rocker or the right rocker connected with the rocker shaft are connected with the base through pin shafts.

The left and right roller brackets are provided with an upper roller 26 and a lower roller 27 which can roll along the top and bottom of the connecting rod. The gripper mechanism is arranged on the connecting rod through the roller support to act, the hard friction between the roller support and the connecting rod is changed into rolling friction through the design of the upper roller and the lower roller, the friction between the roller support and the connecting rod is reduced, and the gripper mechanism swings to grip a workpiece more conveniently.

The tongs are installed on the tongs frame through tongs mounting panel 28, the tongs includes last clamping jaw 29 and lower clamping jaw 30, it installs to go up the clamping jaw on the tongs mounting panel, the tongs cylinder is installed on the tongs mounting panel, the middle part of lower clamping jaw articulates on the tongs mounting panel, the piston rod of tongs cylinder with the outer end of lower clamping jaw is articulated. When the gripper mechanism vertically moves downwards, the gripper cylinder contracts, the lower clamping jaw moves downwards and outwards to prevent the lower clamping jaw from touching a workpiece, when the upper clamping jaw of the gripper mechanism reaches the upper part of the workpiece, the gripper cylinder extends, and the lower clamping jaw moves inwards and upwards to the lower part of the workpiece and is matched with the upper clamping jaw to clamp the workpiece.

The number of the grippers is 2-8, and four grippers are arranged as shown in figure 1 and are symmetrically arranged on the left side and the right side of the gripper frame. The workpiece grabbing is more stable, and the workpiece taking and placing position accuracy is high.

The inner positioning block and the outer positioning block are respectively provided with 2. The inner positioning blocks are two, the outer positioning blocks are correspondingly placed on the outer sides of the inner positioning blocks, and the four positioning block positioning gripper frames are more stable and reliable.

The double acting cylinder is mounted below the connecting rod by a cylinder mount 31. The double-acting air cylinder is installed on the workbench through an air cylinder installation frame. The double-acting air cylinder is installed between the left and right roller wheel brackets through the air cylinder mounting plate, so that the installation is convenient, and the debugging and the subsequent maintenance are convenient.

The drive motor is mounted on a motor mount 32, which is disposed outside the base. The driving motor is installed on the worktable 33 through the motor installation seat. The driving motor does not need to be installed on the base, the left-right swinging action of the rocker is prevented from being influenced by the driving motor, and meanwhile, the installation and maintenance of the motor are facilitated.

A safety fence is further arranged between the upper part position and the taking part position on the outer side of the base.

The specific carrying process comprises the following steps: assuming that the gripper is exactly located at the middle position between the manual workpiece loading position 34 and the robot workpiece taking position 35, starting from the position as shown in fig. 11, the manual workpiece loading position is located on the right side of the gripper, the robot workpiece taking position is located on the left side of the gripper, a workpiece to be stamped 36 is arranged on a workpiece placing table on the right side, the driving motor acts, the left rocker and the right rocker synchronously move towards the right side, in the process of moving towards the right side, a piston rod of the double-acting cylinder moves towards the right side, a right spring moves towards the right side, as shown in fig. 12, the roller bracket is pushed to the right side, and the upper roller and the lower roller drive the gripper to; the gripper frame impacts a limiting block on the positioning block, the gripper cannot move rightwards continuously at the moment, the rocker continues to move rightwards, the right spring is compressed by the right roller support, and the left spring is stretched as shown in fig. 13, so that the gripper can be guaranteed to move vertically downwards. The gripper descends until the gripper falls onto the positioning surface of the positioning block, as shown in fig. 14, the pin hole on the gripper frame is aligned with the positioning pin on the positioning block, after the gripper falls into the position accurately, the air cylinder can be deflated at the moment, and the piston rod returns to the middle position under the action of the springs at the two sides. When the workpiece is clamped, the driving motor rotates reversely, and the rocker starts to move to the left side. And the worker can use this time to place the next work piece on the stack. After the middle position is crossed, a signal is detected and sent to the double-acting air cylinder, a piston rod of the double-acting air cylinder moves to the left side, the left spring moves to the left side, as shown in fig. 15, the roller bracket is pushed to the left side, and the roller bracket carrying the gripper mechanism is pushed to the left limiting pin; then, in the process that the hand grip moves downwards and leftwards along with the rocker, as shown in fig. 16, a positioning plate of the hand grip frame firstly touches a limiting block of a left side outer positioning block, at the moment, a left roller support can compress a left spring, the left spring is compressed by the left roller support, a right spring is stretched, the hand grip only moves vertically downwards, the rocker continues to move leftwards, and then the hand grip falls in place as shown in fig. 17, namely, a pin hole in the hand grip frame is in plug-in fit with positioning pins on the inner positioning block and the outer positioning block, at the moment, the double-acting air cylinder can be deflated, and a piston rod of the double-acting air cylinder returns to; after the workpiece is in place, the grippers are opened, the workpiece falls onto the material rack, and the workpiece waits for the robot to grab. The motor reverses once more, rotates the rocker to the upper right direction, moves to the work position of putting, goes to snatch the work piece that the workman just put. The process is circulated repeatedly, the stamping parts are uninterruptedly provided for an automatic production line, and welding is carried out to complete production.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. A quick carrying device for picking and placing automobile stamping parts is characterized by comprising a rocker mechanism, a hand grab mechanism arranged on the rocker mechanism, a direction control mechanism used for controlling the running direction of the hand grab mechanism and a hand grab placing mechanism used for limiting the hand grab mechanism to do vertical motion;

the rocker mechanism comprises rocker units and a driving motor which are arranged in parallel, the rocker units are connected through a connecting arm, each rocker unit comprises a base, a left rocker and a right rocker, the left rocker and the right rocker are arranged on the base, the left rocker and the right rocker are connected through a connecting rod, and the left rocker and the right rocker can swing left and right on the base under the action of the driving motor;

the gripper mechanism comprises a gripper frame, a gripper arranged on the gripper frame and a gripper cylinder used for driving the gripper to take and place workpieces, gripper brackets are respectively arranged on the front side and the rear side of the gripper frame, the gripper brackets are slidably mounted on the connecting rod through a left roller bracket and a right roller bracket, and a left limiting pin and a right limiting pin are arranged on the connecting rod on the outer sides of the left roller bracket and the right roller bracket;

the direction control mechanism comprises a double-acting air cylinder, a left spring and a right spring, wherein the double-acting air cylinder is arranged on the connecting rod and between the left roller wheel bracket and the right roller wheel bracket;

the gripper placing mechanism comprises an outer positioning block and an inner positioning block which are arranged on two sides of the upper part position and the taking part position, the inner positioning block and the outer positioning block are respectively provided with an inner positioning surface and an outer positioning surface, and the outer positioning surfaces are provided with limiting blocks for positioning the left side edge and the right side edge of the gripper frame.

2. The device for rapidly picking and placing automobile stampings as claimed in claim 1, further comprising a positioning mechanism, wherein the positioning mechanism comprises positioning pins and pin holes matched with the positioning pins, the positioning pins are arranged on the inner and outer positioning surfaces, positioning plates are respectively arranged on the left and right side edges of the gripper frame, and the pin holes are arranged on the positioning plates.

3. The device for rapidly carrying the automobile stamped parts in and out of the claims 1 or 2, wherein the driving motor is connected with the left rocker or the right rocker through a connecting rod transmission mechanism, the connecting rod transmission mechanism comprises an input rod, a force transmission rod and a rocker arm, one end of the input rod is connected with an output shaft of the driving motor, the other end of the input rod is hinged with one end of the force transmission rod, the other end of the force transmission rod is hinged with one end of the rocker arm, the other end of the rocker arm is connected with a rocker arm shaft, the rocker arm shaft is rotatably mounted on the base, and the left rocker or the right rocker is connected with the rocker arm shaft.

4. The device for rapidly picking and placing automobile stampings as claimed in claim 1, wherein the left and right roller brackets are provided with upper and lower rollers capable of rolling along the top and bottom of the connecting rod.

5. The automobile stamping part taking and placing rapid carrying device as claimed in claim 1, wherein the gripper is mounted on the gripper frame through a gripper mounting plate, the gripper comprises an upper clamping jaw and a lower clamping jaw, the upper clamping jaw is mounted on the gripper mounting plate, the gripper cylinder is mounted on the gripper mounting plate, the middle part of the lower clamping jaw is hinged on the gripper mounting plate, and a piston rod of the gripper cylinder is hinged with the outer end of the lower clamping jaw.

6. The device for rapidly picking and placing automobile stamping parts as claimed in claim 1 or 5, wherein the number of the hand grips is 2-8, and the hand grips are symmetrically arranged on the left side and the right side of the hand grip frame.

7. The device for rapidly picking and placing automobile stamping parts as claimed in claim 1, wherein there are 2 inner and outer positioning blocks respectively.

8. The automobile stamping part taking and placing rapid conveying device as claimed in claim 1, wherein the double-acting air cylinder is mounted below the connecting rod through an air cylinder mounting frame.

9. The automobile stamping part taking and placing rapid conveying device as claimed in claim 3, wherein the driving motor is mounted on a motor mounting seat, and the motor mounting seat is arranged on the outer side of the base.

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