CN210060315U - Assembly jig and workpiece mounting equipment - Google Patents

Abstract

The utility model discloses an assembly fixture and workpiece mounting equipment, wherein the assembly fixture comprises a pillar, an excessive part and an assembly part; the transition part is used for connecting the control device, and the assembly part comprises an inner ring pressing piece and an outer ring clamping piece which are detachably connected; the inner ring pressing piece is arranged on the lower end face of the strut, and the outer ring clamping piece is positioned on the outer side of the inner ring pressing piece; the outer ring clamping piece is used for clamping a first workpiece to an assembly position where a second workpiece is located, and the inner ring pressing piece is controlled by the control device to operate the connection of the second workpiece and the first workpiece. The workpiece mounting equipment comprises a control device, a load balancing mechanism and an assembling clamp, wherein the load balancing mechanism is connected with the assembling clamp and used for lifting the assembling clamp along the vertical direction; the utility model discloses well controlling means adopts intelligent robot, alleviates intelligent robot's load through load balancing mechanism, makes current precision assembly's intelligent robot can control assembly fixture and snatch the work piece automatically and assemble the work piece, realizes the automatic precision assembly of heavy-duty part.

Description

Assembly jig and workpiece mounting equipment

Technical Field

The utility model relates to an assembly machine field especially relates to an assembly jig and workpiece mounting equipment.

Background

The traditional industrial robot widely applied to large-scale assembly production lines at present is generally large in size, can only carry out simple transportation, and the working range is limited in safety protection. Different from the intelligent robot, the intelligent robot has sensitive human feedback and can meet the human-computer cooperation requirement without safety protection; the intelligent control system also has a series of advanced functions of intelligent programming, bionic motion and the like, can simulate manual installation of an engine and a gearbox, is favorable for liberating repeated and monotonous labor personnel, and realizes automatic precision assembly. The intelligent robot at the present stage is large in load but not flexible enough in force output mode, and is more suitable for feeding and discharging of fence-free workpieces, such as mounting tires and carrying cylinder covers; the intelligent robot with small load is sensitive to human senses and is suitable for precision assembly. Neither of these applications can cover precision assembly of heavily loaded parts.

Therefore, it is desirable to provide an assembly jig and a mounting apparatus suitable for precision assembly of an intelligent robot.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an assembly jig and erection equipment suitable for intelligent robot precision assembly.

The technical scheme of the utility model provides an assembly fixture, which comprises a support column, a transition part arranged at the upper end of the support column and an assembly part arranged at the lower end of the support column;

the transition part is used for connecting a control device;

the assembling part comprises an inner ring pressing piece and an outer ring clamping piece which are detachably connected;

the inner ring pressing piece is arranged on the lower end face of the strut, and the outer ring clamping piece is positioned on the outer side of the inner ring pressing piece;

the outer ring clamping piece is used for clamping a first workpiece to an assembly position where a second workpiece is located, and the inner ring pressing piece is controlled by the control device to operate the second workpiece to be connected with the first workpiece.

Furthermore, the inner ring pressing piece comprises a bottom plate, a pressing head, a connecting rod and a telescopic pressing rod;

the bottom plate is fixed in the lower terminal surface of pillar, the pressure head pass through a plurality of the connecting rod with the bottom plate is connected, the depression bar is followed the pressure head extends downwards.

Furthermore, the inner ring pressing piece also comprises a base, a guide rod and a spring;

the base is fixed on the lower surface of the bottom plate, and the guide rod faces the pressure head and is connected to the lower surface of the base;

the spring is sleeved on the guide rod, and the lower end of the spring is connected with the pressing rod.

Further, the outer ring clamp comprises an annular mounting plate and at least three clamping claw parts;

the annular mounting plate is detachably connected to the outer side of the bottom plate;

the clamping claw parts are uniformly arranged on the outer side of the annular mounting plate.

Further, a bolt seat is arranged on the outer edge of the bottom plate;

the annular mounting plate is provided with a bolt and a bolt cylinder, the bolt cylinder controls the bolt to act, and the bolt is used for extending out the inner edge of the annular mounting plate and inserting into the bolt seat.

Furthermore, each clamping jaw part comprises a mounting seat, a clamping jaw air cylinder and a clamping jaw;

the mount pad install in the outside of annular mounting panel, clamping jaw cylinder with the clamping jaw install in on the mount pad, clamping jaw cylinder is used for control opening and shutting of clamping jaw.

Furthermore, the clamping claw part also comprises a fixed column, a movable rod and a connecting block;

the fixing column is arranged at the outer edge of the mounting seat in a downward direction;

the upper end of the movable rod is connected below the clamping jaw air cylinder through a first pin shaft and is controlled by the clamping jaw air cylinder to move up and down;

and the two ends of the connecting block are respectively connected to the lower end parts of the fixed column and the movable rod through a second pin shaft and a third pin shaft, and the clamping jaw is connected to the lower part of the movable rod through the third pin shaft.

Further, the transition portion includes a transition plate and a transition flange;

the transition plate is mounted on the upper end face of the strut, and the transition flange is mounted on the transition plate and used for being connected with the control device.

The utility model also provides a workpiece mounting equipment, including controlling means, load balance mechanism and aforementioned assembly jig, load balance mechanism with assembly jig connects and is used for pulling along vertical direction assembly jig.

Further, the control device is an intelligent robot, and both the manipulator end part of the intelligent robot and the load balancing mechanism are connected with the assembling clamp and the transition part;

the manipulator is used for operating the assembling clamp, and the load balancing mechanism is used for reducing the load of the manipulator.

Further, the load balancing mechanism comprises a bracket, a movable arm and a balancing piece;

the movable arm is arranged on the bracket and is used for driving the balance piece arranged at the end part of the movable arm to move horizontally;

the balance piece comprises a pulling part and a load part;

the load part is used for connecting the transition part; the lifting part is connected above the load part through a universal shaft and used for lifting the assembling clamp along the vertical direction.

Furthermore, the lifting part also comprises a mounting frame and a lifting cylinder;

the two lifting cylinders are arranged on the mounting frame in the vertical direction.

Further, the load part includes a support plate and a link;

the supporting plate is horizontally arranged, and the center position of the supporting plate is connected with the mounting rack through the universal shaft;

the two connecting rods are used for connecting the transition parts, are symmetrical to the center of the supporting plate and are vertically arranged on the lower edge of the supporting plate.

Furthermore, the movable arm comprises a connecting beam, a large cross beam, a middle cross beam and a small cross beam which are connected in sequence by a pin shaft along the transverse direction;

the connecting beam is fixedly arranged on the support, and the small cross beam is connected with the mounting frame.

After adopting above-mentioned technical scheme, have following beneficial effect:

an assembly fixture suitable for an intelligent robot to realize precise assembly is designed, and the functions of grabbing workpieces and assembling two workpieces can be realized under the control of the intelligent robot;

the load of the intelligent robot is reduced through the load balancing mechanism, so that the existing precision assembly robot can be suitable for precision assembly of large-load parts.

Drawings

The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:

fig. 1 is a front view of an assembly jig according to an embodiment of the present invention;

fig. 2 is a plan view of the assembly jig according to an embodiment of the present invention, with the transition portion and the support post omitted;

fig. 3 is a schematic view of a workpiece mounting apparatus according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a load balancing mechanism according to an embodiment of the present invention;

reference symbol comparison table:

fig. 1-2: a pillar 01, an assembly portion 02, a transition portion 03;

the inner ring pressing piece 21, the bottom plate 211, the pressure head 212, the pressure rod 213, the connecting rod 214, the base 215, the guide rod 216, the spring 217 and the pin seat 218;

the clamping device comprises an outer ring clamping piece 22, an annular mounting plate 221, a clamping jaw part 222, a mounting seat 2221, a clamping jaw air cylinder 2222, a clamping jaw 2223, a fixed column 2224, a movable rod 2225, a connecting block 2226, a first pin 2227, a second pin 2228, a third pin 2229, a bolt 223 and a bolt air cylinder 224;

transition plate 31, transition flange 32;

FIG. 3: the assembling jig 001, the transition part 03, the load balancing mechanism 002, the intelligent robot 003, the manipulator 301 and the placing table 004;

FIG. 4: a bracket 04; the movable arm 05, the connecting beam 51, the large cross beam 52, the middle cross beam 53, the small cross beam 54 and the pin shaft 55;

balance piece 06, lifting part 61, mounting bracket 611, lifting cylinder 612, load part 62, support plate 621, connecting rod 622, universal shaft 63.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.

The assembly jig in the present embodiment, as shown in fig. 1-2, includes a pillar 01, a transition portion 03 provided at an upper end of the pillar 01, and an assembly portion 02 provided at a lower end of the pillar;

the transition part 03 is used for connecting a control device;

the assembling part 02 comprises an inner ring pressing piece 21 and an outer ring clamping piece 22 which are detachably connected;

the inner ring pressing piece 21 is arranged on the lower end face of the pillar 01, and the outer ring clamping piece 22 is positioned on the outer side of the inner ring pressing piece 21;

the outer ring clamping piece 22 is used for clamping a first workpiece to an assembly position of a second workpiece, and the inner ring pressing piece 21 is controlled by the control device to operate the second workpiece to be connected with the first workpiece.

Specifically, the assembling clamp is arranged along the vertical direction, the transition part 02 is arranged at the upper end of the strut 01 and is used for being connected with a control device, and the control device controls the assembling clamp to act; the assembly part 02 is arranged at the lower end of the strut 01 and used for realizing the assembly of workpieces: firstly, clamping a first workpiece to an assembly position with a second workpiece by the outer ring clamping piece 22, so that the first workpiece is positioned above the second workpiece; then the inner ring pressing piece 21 and the outer ring clamping piece 22 are disconnected, so that the outer ring clamping piece 22 is separated from the assembling clamp; and the precision operation of the second workpiece is controlled by the inner ring pressing piece 21, and the second workpiece is assembled on the first workpiece. Wherein the first and second workpieces may be a clutch assembly and a transmission, respectively.

It should be noted that the "vertical", "horizontal", "upper", "lower", "inner" and "outer" mentioned in the present embodiment are all installation states in the state where the ram is in the working state, such as the position state shown in fig. 1, and the directions of the "upper" and the "lower" are along the up-down direction in the figure.

Further, as shown in fig. 2, the inner ring pressing member 21 includes a base plate 211, a pressing head 212, and a connecting rod 214;

the base plate 211 is fixed to the lower end surface of the column 01, and the ram 212 is connected to the base plate 1211 via a plurality of connecting rods 214.

Specifically, the pillar 01 is set to be cylindrical, the bottom plate 211 and the pressure head 212 are both circular, and the centers of the bottom plate 211 and the pressure head 212 are both located on the extension line of the axis of the pillar 01.

The upper surface of the ram 212 is connected to the lower surface of the base plate 211 by four connecting rods 214, the four connecting rods 214 being evenly distributed.

When the assembling device is installed, the pressure head 212 slightly presses the upper part of the second workpiece, the control device drives the inner ring pressing piece 21 to integrally rotate, the pressure rod 213 extends out and slides into the positioning hole on the second workpiece along with the rotation of the pressure rod 213, the second workpiece rotates along with the pressure rod 213 under the driving of the pressure rod 213, and simultaneously the pressure head 212 presses downwards, so that the gear on the second workpiece is meshed with the gear on the first workpiece, and the assembling is completed.

Further, the inner race follower 212 further includes a base 215, a guide rod 216, and a spring 217;

a base 215 is fixed to a lower surface of the base plate 211, and a guide rod 216 is coupled to the lower surface of the base 215 toward the ram 212; 215 is also provided with six telescopic press rods 213, the press rods 213 extend downwards, the press head 212 presses on the second workpiece during installation, and the press rods 213 can be partially compressed and slide into the positioning holes of the second workpiece

The spring 217 is sleeved on the guide rod 216, and the lower end is connected with the pressing rod 213.

Specifically, the guide rod 216 is mounted on the lower surface of the base 215 for positioning and guiding the spring 217; the upper end of the spring 217 is pressed against the lower surface of the base 215, the lower end is connected with the pressing rod 213, and when the pressing rod 213 is pressed on the second workpiece, the spring 217 is compressed along the direction of the guide rod 216, so that the pressing rod 213 has a telescopic function.

Further, the outer ring clamp 22 includes an annular mounting plate 221 and at least three clamping jaw portions 222;

the ring-shaped mounting plate 221 is detachably attached to the outside of the bottom plate 211;

the clamping claw portions 222 are uniformly arranged outside the annular mounting plate 221.

Specifically, the annular mounting plate 221 is annular, is located outside the bottom plate 211 of the inner ring pressing member 21, and is detachably connected to the outer edge of the bottom plate 211; the gripping claw portions 222 are uniformly mounted on the outer side of the annular mounting plate 221, and the plurality of gripping claw portions 222 cooperate together to grip the first workpiece.

At least three clamping claw parts 222 are needed to be arranged, and the clamping is performed from three directions, so that the stability of the clamping is ensured.

Further, as shown in fig. 2, the inner ring pressing piece 21 and the outer ring clamping piece 22 are detachably connected through a latch 218 between the bottom plate 211 and the annular mounting plate 221, specifically:

a pin seat 218 is arranged on the outer edge of the bottom plate 211; the annular mounting plate 221 is provided with a latch 223 and a latch cylinder 224, the latch 223 is arranged along the radial direction of the annular mounting plate 221, and under the control of the latch cylinder 224, the latch 223 can extend out of the inner edge of the annular mounting plate 221 to be inserted into the latch seat 218 on the outer edge of the bottom plate 221 along the radial direction of the annular mounting plate 221, and the connection and the separation of the inner ring press 21 and the outer ring clamp 22 can be realized by controlling the latch cylinder 124.

Further, as shown in fig. 1, each of the claw portions 222 includes a mounting seat 2221, a claw cylinder 2222, and a claw 2223;

the mounting seat 2221 is mounted on the outer side of the annular mounting plate 221, the clamping jaw cylinder 2222 and the clamping jaw 2223 are mounted on the mounting seat 2221, and the clamping jaw cylinder 2222 is used for controlling the opening and closing of the clamping jaw 2223.

Specifically, each clamping jaw part 222 is provided with a clamping jaw 2223 and a clamping jaw air cylinder 2222, and the clamping jaw 2223 is controlled to open and close by the clamping jaw air cylinder 2222;

the gripping jaw portion 222 is mounted on the outside of the annular mounting plate 221 via a mounting seat 2221, the area below the annular mounting plate 221 is used for accommodating a first workpiece, and the three gripping jaws 2223 are clamped on the outside of a second workpiece for gripping.

Alternatively, each jaw portion 222 may be provided with a plurality of jaws and/or jaw cylinders, with one jaw cylinder controlling a plurality of jaws, or with one jaw being controlled by a plurality of jaw cylinders.

Further, the clamping jaw portion 222 further includes a fixed column 2224, a movable rod 2225 and a connecting block 2226;

the fixing post 2224 is disposed at the outer edge of the mounting seat 2221 facing downward;

the movable rod 2225 is connected to the lower part of the clamping jaw cylinder 2222 through a first pin 2227, and is controlled by the clamping jaw cylinder 2222 to move up and down;

both ends of the connecting block 2226 are connected to lower end portions of the fixed column 2224 and the movable bar 2225 through second and third pins 2228 and 2229, respectively, and the jaw 2223 is connected below the movable bar 2225 through the third pin 2229.

Specifically, the fixed column 2224, the movable rod 2225 and the connecting block 2226 are located below the mounting seat 2221, the clamping jaw cylinder 2222 is mounted above the mounting seat 2221, and is connected to the movable rod 2225 through a first pin 2227, and the movable rod 2225 can rotate around the first pin 2227;

wherein, the fixed column 2224 is installed at the outer side of the movable rod 2225, one end of the connecting block 2226 is connected to the lower end of the fixed column 2224 through a second pin 2228, and the connecting block 2226 can rotate around the second pin 2228; the other end of the connecting block 2226 is connected to the lower end of the movable rod 2225 by a third pin 2229, and the connecting block 2226 is rotatable about the third pin 2229.

In this embodiment, there are three connecting blocks 2226, which are located at two sides of the movable bar 2225 and the fixed bar 2224, that is, connected to two ends of the second pin 2228 and the third pin 2229. The third is obscured from view in figure 1. Also, the clamping jaw 2223 is connected below the movable bar 2225 by a third pin 2229.

When the movable rod 2225 moves upward, it drives one end of the lower connecting block 2226 to move, and the lower end of the movable rod 2225, pushed by the connecting block 2226, rotates inward around the first pin 2227, and drives the third pin 2229 and the clamping jaw 2223 to move inward. The first workpiece is grasped when the jaws 2223 of the three jaw portions 222 are simultaneously clamped inward.

Further, as shown in fig. 1, the transition portion 03 includes a transition plate 31 and a transition flange 32, wherein the transition flange 32 is used for connecting a control device;

the transition plate 31 is mounted on the upper end surface of the pillar 01, and the transition flange 32 is mounted on the transition plate 31, wherein the specification of the transition flange 32 is selected according to the connection interface of the control device.

The assembly fixture in the embodiment can be used for assembling two workpieces arranged inside and outside, and can realize automatic assembly and assembly automation by combining a control device of precise control.

The workpiece mounting apparatus in this embodiment, as shown in fig. 3, includes a control device, a load balancing mechanism 002 and the aforementioned assembly jig 001, and the load balancing mechanism 002 is connected to the assembly jig 001 and is used to lift the assembly jig 001 in the vertical direction.

Specifically, the control device is an intelligent robot 003, and the end part of a manipulator 301 of the intelligent robot 003 and the load balancing mechanism 002 are connected with the assembling jig 001 and the transition part 03;

the robot 301 is used to operate the assembly jig 001, and the load balancing mechanism 002 is used to relieve the load of the robot 301.

Because current intelligent robot can only carry out the precision installation to the little load work piece, is not dexterous enough to heavy load work piece output mode, can only carry simple operation such as, the utility model discloses a manipulator 301 installation precision at intelligent robot 003 is higher assembly jig 001 assembles to alleviate the load through load balance mechanism 002, make current precision assembly's intelligent robot 003 can be applicable to the automatic assembly of heavy load work piece.

Further, as shown in fig. 4, the load balancing mechanism 002 includes a bracket 04, a movable arm 05, and a balance piece 06;

the movable arm 05 is arranged on the bracket 04 and is used for driving the balance piece 06 arranged at the end part of the movable arm to move horizontally;

the balance piece 06 includes a pulling portion 61 and a load portion 62;

the load part 62 is used for connecting the transition part 03; the pulling portion 61 is connected above the load portion 62 by a cardan shaft 63 for pulling the assembly jig 001 in the vertical direction.

The load balancing mechanism 002 does not actively operate to reduce the load, and the operation process thereof needs to follow the manipulator 301 and the assembly jig 001.

Specifically, the following of the action of the assembly jig 001 is realized through the balance piece 06, the load part 62 of the balance piece 06 is connected with the assembly jig 001, and the lifting part 61 above the load part 62 provides an upward lifting force for the assembly jig 001 and the load, so that the load of the manipulator 31 is reduced; in order to ensure that the balancer 06 does not restrict the operation of the assembly jig 001, the load part 62 and the pull-up part 61 are connected by the universal shaft 63, and the load part 62 can be rotated to any angle without restricting the operation of the assembly jig 001.

The robot 301 is mainly followed by the movable arm 05 and the lifting portion 61 of the balancer 06, the movable arm 05 follows the movement of the robot 301 in the horizontal direction, and the lifting portion 61 follows the movement of the robot 301 in the vertical direction by the lifting load portion 62.

Further, the pulling part 61 further comprises a mounting frame 611 and a pulling cylinder 612;

the two pulling cylinders 612 are vertically installed on the mounting frame 611.

Specifically, the mounting frame 611 is used for mounting the lifting cylinder 612 and connecting the balance piece 06, the lifting cylinder 612 is vertically arranged, and the lower balance piece 06 is lifted through the vertical movement of the lifting cylinder 612, so that the load of the manipulator 301 is reduced and the manipulator 301 moves up and down along with the same.

The load part 62 includes a support plate 621 and a link 622;

the supporting plate 621 is horizontally arranged, and the center position of the supporting plate 621 is connected with the mounting frame 611 through a universal shaft 63;

two links 622 are provided for connecting the transition part 03, and the two links 622 are installed at the lower edge of the supporting plate 621 in a vertical direction, symmetrically with respect to the center of the supporting plate 621.

Specifically, since the load part 62 is connected to the mounting bracket 611 through the universal shaft 63, in order to ensure the balance of the load part 62, the connection position of the universal shaft 63 needs to be located at the center of the supporting plate 621, and the two connecting rods 622 also need to be arranged symmetrically to the center of the supporting plate 621.

Alternatively, in order to ensure the connection stability, a plurality of connecting rods may be provided, and the connecting rods should be uniformly distributed on the lower edge of the supporting plate 621 to ensure the balance of the load part 62.

Further, the movable arm 05 comprises a connecting beam 51, a large cross beam 52, a middle cross beam 53 and a small cross beam 54 which are connected in sequence by a pin 55 along the transverse direction;

the connecting beam 51 is fixedly arranged on the bracket 04, and the small cross beam 54 is connected with the mounting rack 611.

Specifically, the movable arm 05 is provided with three sections of movable cross beams, namely a large cross beam 52, a middle cross beam 53 and a small cross beam 54, which are connected in sequence through a pin shaft 55, and the pin shafts 55 are all vertically arranged, so that the movable arm 05 can horizontally move; wherein, two ends of the large beam 52 are respectively connected with the middle beam 53 and the connecting beam 51, the connecting beam 51 is fixed on the bracket 04, and the large beam 52 can rotate along the pin shaft 55; one end of the small cross beam 54 is connected with the middle cross beam 53, and the other end is connected with the mounting rack 611 of the balance piece 06, so that the balance piece 06 is driven to horizontally move.

The above is a mechanical configuration of the workpiece mounting apparatus in the present embodiment, and the following describes a mounting process thereof:

as shown in fig. 3, the transition flange of the transition portion 03 of the assembly jig 001 is connected to the connection flange at the end of the robot 301 of the intelligent robot 003, and the operation of the assembly jig 001 is controlled by the intelligent robot 003; in the load balancing mechanism 002, the two links 622 of the balancer 06 are connected to the transition plate 31 of the transition section 03 of the assembly jig 001, and the load is pulled by the pull cylinder 612 of the balancer 06, so that the load of the robot 301 is reduced, and precision assembly is realized.

Referring to fig. 1 and 2 again, in the initial state, the plug 223 of the assembly fixture 001 is closed, and the inner ring pressing piece 21 and the outer ring clamping piece 22 do not rotate relatively;

the manipulator 301 controls the assembly fixture 001 to move to the placing table 004 of the first workpiece, so that the assembly fixture 001 is located above the first workpiece to be clamped, and at the moment, the clamping jaw cylinder 2222 moves to enable the manipulator 301 to ascend after the three clamping jaws 2223 clamp the first workpiece;

then, the manipulator 301 drives the assembly fixture 001 and the first workpiece to move to a second workpiece mounting table, so that the first workpiece is slightly suspended above the second workpiece, then the bolt 223 retracts, the outer ring clamp 22 is separated from the assembly fixture 001, and at the moment, the inner ring pressing piece 21 and the outer ring clamp 22 can rotate relatively;

the mechanical arm 301 controls the inner ring pressing piece 21 of the rotary fixture 001 to rotate according to a set oscillation track, and presses the inner ring pressing piece 21 downwards, so that the pressing head 212 slightly presses the second workpiece, the pressing rod 213 extends out and slides into a positioning hole in the second workpiece in the rotating process to drive the second workpiece to rotate at a slow speed, the gear phase between the second workpiece and the first workpiece is adjusted, the lower pressure degree is accurately controlled, the press-mounting angle is limited, the first workpiece below is perpendicular to the first workpiece, and gears of the first workpiece and the second workpiece are meshed smoothly;

after the completion, the robot 301 controls the inner ring pressing piece 21 to rotate back and close the bolt 223, and controls the clamping jaw 2223 to grab the assembled workpiece to a specified installation position.

In the assembling process, the movable arm 05 of the load balancing mechanism 002 moves along with the manipulator 301, and the lifting cylinder 612 lifts the assembling jig 001, and when the manipulator is pressed down or lifted up, the lifting cylinder 612 is pressed down or lifted up by a corresponding distance along with the manipulator.

In the embodiment, the workpiece mounting equipment utilizes the existing small-load precision assembly intelligent robot, so that the intelligent assembly of a large-load workpiece is realized, and the assembly automation is realized; and the transformation range is small, the equipment cost is low, and the feasibility is high.

What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.

Claims (14)

1. An assembly jig is characterized by comprising a pillar (01), a transition part (03) arranged at the upper end of the pillar (01), and an assembly part (02) arranged at the lower end of the pillar (01);

the transition part (03) is used for connecting a control device;

the assembling part (02) comprises an inner ring pressing piece (21) and an outer ring clamping piece (22) which are detachably connected;

the inner ring pressing piece (21) is mounted on the lower end face of the strut (01), and the outer ring clamping piece (22) is located on the outer side of the inner ring pressing piece (21);

the outer ring clamping piece (22) is used for clamping a first workpiece to an assembly position where a second workpiece is located, and the inner ring pressing piece (21) is controlled by the control device to operate the second workpiece to be connected with the first workpiece.

2. An assembly jig according to claim 1 wherein the inner ring press (21) comprises a base plate (211), a ram (212), a connecting rod (214) and a telescopic strut (213);

the bottom plate (211) is fixed on the lower end face of the strut (01), and the pressure head (212) is connected with the bottom plate (211) through a plurality of connecting rods (214).

3. An assembly jig according to claim 2 wherein the inner race follower (21) further comprises a base (215), a guide rod (216) and a spring (217);

the base (215) is fixed on the lower surface of the bottom plate (211), and the guide rod (216) is connected to the lower surface of the base (215) towards the pressure head (212);

the spring (217) is sleeved on the guide rod (216), and the lower end of the spring is connected with the pressing rod (213).

4. An assembly clamp according to claim 2, wherein said outer ring clamp (22) comprises an annular mounting plate (221) and at least three clamping jaws (222);

the annular mounting plate (221) is detachably connected to the outer side of the bottom plate (211);

the clamping claw parts (222) are uniformly arranged on the outer side of the annular mounting plate (221).

5. An assembly jig according to claim 4,

a bolt seat (218) is arranged on the outer edge of the bottom plate (211);

the annular mounting plate (221) is provided with a bolt (223) and a bolt cylinder (224), the bolt cylinder (224) controls the action of the bolt (223), and the bolt (223) is used for extending out of the inner edge of the annular mounting plate (221) and being inserted into the bolt seat (218).

6. An assembly jig according to claim 4 wherein each of the jaw portions (222) comprises a mounting seat (2221), a jaw cylinder (2222) and a jaw (2223);

the mounting seat (2221) install in the outside of annular mounting panel (221), clamping jaw cylinder (2222) with clamping jaw (2223) install in on mounting seat (2221), clamping jaw cylinder (2222) are used for controlling opening and shutting of clamping jaw (2223).

7. An assembly jig according to claim 6 wherein the claw portion (222) further comprises a fixed post (2224), a movable lever (2225) and a connecting block (2226);

the fixing column (2224) is arranged at the outer edge of the mounting seat (2221) in a downward direction;

the upper end of the movable rod (2225) is connected to the lower part of the clamping jaw cylinder (2222) through a first pin shaft (2227) and controlled by the clamping jaw cylinder (2222) to move up and down;

two ends of the connecting block (2226) are respectively connected to the lower end parts of the fixed column (2224) and the movable rod (2225) through a second pin shaft (2228) and a third pin shaft (2229), and the clamping jaw (2223) is connected to the lower part of the movable rod (2225) through the third pin shaft (2229).

8. An assembly clamp according to claim 1, characterized in that said transition portion (03) comprises a transition plate (31) and a transition flange (32);

the transition plate (31) is mounted on the upper end face of the strut (01), and the transition flange (32) is mounted on the transition plate (31) and used for connecting the control device.

9. A workpiece mounting apparatus, characterized by comprising a control device, a load balancing mechanism (002) and the mounting fixture (001) of any one of claims 1 to 8, the load balancing mechanism (002) being connected to the mounting fixture (001) and adapted to lift the mounting fixture (001) in a vertical direction.

10. A workpiece mounting apparatus as defined in claim 9, characterised in that the control means is a smart robot (003), and the robot arm (301) end portion of the smart robot (003) and the load balancing mechanism (002) are connected to the assembly jig (001) and the transition portion (03);

the manipulator (301) is used for operating the assembly jig (001), and the load balancing mechanism (002) is used for reducing the load of the manipulator (301).

11. A workpiece mounting apparatus as in claim 9 characterised in that the load balancing mechanism (002) comprises a bracket (04), a moveable arm (05) and a counterweight (06);

the movable arm (05) is arranged on the bracket (04) and is used for driving the balance piece (06) arranged at the end part of the movable arm to horizontally move;

the balance piece (06) comprises a pulling part (61) and a loading part (62);

the load part (62) is used for connecting the transition part (03); the pulling part (61) is connected above the load part (62) through a universal shaft (63) for pulling the assembly jig (001) in a vertical direction.

12. A workpiece mounting apparatus as defined in claim 11, characterised in that the lifting portion (61) further comprises a mounting bracket (611) and a lifting cylinder (612);

the two lifting cylinders (612) are arranged on the mounting frame (611) along the vertical direction.

13. A workpiece mounting apparatus as set forth in claim 12, characterized in that the load portion (62) comprises a support plate (621) and a link (622);

the supporting plate (621) is horizontally arranged, and the center position of the supporting plate (621) is connected with the mounting frame (611) through the universal shaft (63);

the two connecting rods (622) are used for connecting the transition part (03), and the two connecting rods (622) are arranged at the lower edge of the supporting plate (621) vertically and symmetrically at the central position of the supporting plate (621).

14. A workpiece mounting apparatus as defined in claim 12, characterised in that the movable arm (05) comprises a connecting beam (51), a large beam (52), a medium beam (53) and a small beam (54) connected in transverse direction by a pin (55) in turn;

the connecting beam (51) is fixedly arranged on the support (04), and the small cross beam (54) is connected with the mounting rack (611).

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