Automatic installation mechanism of small-size double-lug jump ring
Technical Field
The invention relates to the technical field of mechanical automatic assembly, in particular to a small-sized double-lug snap spring automatic mounting mechanism.
Background
At present, automation equipment is highly popular, and traditional assembly needs manual operation, and is slow in beat, complex in manual operation and heavy in workload. And mechanical automation assembly can liberate productivity, improve efficiency and reduce cost, and most enterprises are innovating technology and add automatic lines and rows. The small-sized double-lug clamp spring is difficult to install due to the fact that the small-sized double-lug clamp spring is small in space, insufficient in force output, inaccurate in positioning and the like in the assembling process, and meanwhile, the deep groove opening is also one of the difficult problems to be solved urgently.
Disclosure of Invention
The invention aims to provide a small-sized double-lug snap spring automatic mounting mechanism, which aims to solve the following technical problems:
1. the mounting difficulty of the small double-lug clamp spring is caused by insufficient force output in the small space mounting process;
2. the small double-lug clamp spring is difficult to install due to inaccurate positioning in the small space installation process;
3. the installation of the small double-lug clamp spring in the deep notch is difficult;
4. and the clamping spring is easy to scratch the workpiece in the installation process.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a small-size ears jump ring automatic installation mechanism, includes the mechanism mounting panel, left limit stop and right limit stop extend in the side department of mechanism mounting panel, rotatory dabber is installed through bolt one to the center department of mechanism mounting panel, the cover is gone up to rotatory dabber's outer wall and is installed actuating arm support, right side arm, left side arm, the ring round pin is received and is tightly fixed with the screw top in the bottom of right side arm and left side arm all installation.
Preferably, the driving arm support uses the rotating mandrel as a shaft to semi-surround the rotating mandrel, a semi-annular boss protruding outwards in the radial direction is arranged at the top of the driving arm support, a plurality of bolt holes II are formed in the semi-annular boss, the semi-annular boss is fixedly connected with the mechanism mounting plate through a plurality of bolts II penetrating through the mechanism mounting plate, a rotating shaft sleeve I surrounding the rotating mandrel is arranged at the position, close to the middle, of the driving arm support, a threaded hole is formed in the center of the rotating shaft sleeve I, and the driving arm support penetrates through the threaded hole to be tightly propped against the outer wall of the rotating mandrel through a centering pin.
Preferably, the right side arm comprises a right mandrel parallel part parallel to the rotating mandrel, the top end of the right mandrel parallel part is connected with a right mandrel vertical part perpendicular to the rotating mandrel, the top end of the right mandrel vertical part is connected with a right driving part parallel to the axis of the rotating mandrel and higher than the upper surface of the mechanism mounting plate, the right driving part is fixedly connected with the right limit stop through a third bolt, the upper part of the right driving part is further provided with a cylinder mounting frame, the upper part of the side wall of the right mandrel parallel part is provided with a rotating shaft sleeve II surrounding the rotating mandrel, the lower part of the side wall is provided with a rotating shaft sleeve III surrounding the rotating mandrel, a step-shaped through hole is formed in the rotating shaft sleeve III, the diameter of the step-shaped hole I of the upper part is the same as the inner diameter of the rotating shaft sleeve II, the step-shaped hole II of the lower part is larger than the step-shaped hole I, and the bottom end of the right mandrel parallel part is provided with a ring-retracting pin and is tightly fixed through screw jacking.
Preferably, the left side arm is arranged on the inner side of the left limit stop and comprises a left mandrel parallel part parallel to the rotating mandrel, the top end of the left mandrel parallel part is connected with a left mandrel vertical part perpendicular to the rotating mandrel, the top end of the left mandrel vertical part is connected with a left driving part parallel to the axis of the rotating mandrel and higher than the upper surface of the mechanism mounting plate, the upper part of the left driving part is also provided with a cylinder joint, the side wall of the left mandrel parallel part is close to the upper part and is provided with a rotating shaft sleeve IV surrounding the rotating mandrel, the side wall is close to the lower part and is provided with a rotating shaft sleeve V surrounding the rotating mandrel, and the bottom end of the left mandrel parallel part is provided with a ring-collecting pin and is tightly fixed through a screw.
Preferably, the first rotary shaft sleeve, the second rotary shaft sleeve, the fourth rotary shaft sleeve and the fifth rotary shaft sleeve have the same inner diameter, outer diameter and height, and the third rotary shaft sleeve has the same outer diameter as the second rotary shaft sleeve and has a height larger than that of the second rotary shaft sleeve.
Further, the rotary mandrel sequentially penetrates through the rotary shaft sleeve II, the rotary shaft sleeve IV, the rotary shaft sleeve I, the rotary shaft sleeve V and the rotary shaft sleeve III from top to bottom, the bolt hole I is formed in the bottom of the rotary mandrel, and the bolt IV penetrates through the step hole II and is fixed in the bolt hole I.
Further, a cylinder is fixedly installed on the cylinder installation frame, and the tail end of a cylinder telescopic rod of the cylinder is connected with a cylinder joint.
Further, a fine adjustment screw is further arranged between the cylinder telescopic rod and the cylinder joint.
Further, the ring-folding pins respectively arranged at the bottom ends of the right side arm and the left side arm are inserted into the round holes at the two ends of the small double-ear snap spring.
Preferably, the left and right side arms are interchangeable.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the lever principle of clamping the proximal end and the distal end, and successfully realizes the automatic installation of the small double-ear clamp spring in a small space;
2. the invention realizes positioning at the double ears of the small clamp spring by utilizing the ring-folding pin, can also be used as a ring-shrinking force output point, designs a rotation center at a proper distance, ensures that the structure is more stable by a double-layer rotation shaft, increases power at a place with wide space, and is convenient to operate;
3. the invention has stable structure, can effectively avoid scratching nearby workpieces, is suitable for being used for installing small double-lug snap springs in a narrow space, has high installation efficiency and safe use, adopts the air cylinder as a power source, can meet the power input and saves energy;
4. the invention also solves the problem of mounting the small and medium-sized double-lug snap springs in the deep slot.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a front view;
FIG. 3 is a view A-A of FIG. 2;
FIG. 4 is a top view;
FIG. 5 is a front view of the drive arm bracket;
FIG. 6 is a view A-A of FIG. 5;
FIG. 7 is a top view of FIG. 5;
FIG. 8 is a schematic view of the right side arm structure;
FIG. 9 is a schematic view of a left side arm construction;
in the figure, 1, a mechanism mounting plate, 11, a left limit stop, 12, a right limit stop, 13, a first bolt, 14, a second bolt, 2, a rotary mandrel, 21, a first bolt hole, 22, a fourth bolt, 3, a driving arm bracket, 31, a semi-annular boss, 301, a second bolt hole, 32, a first rotary sleeve, 33, a threaded hole, 34, a centering pin, 4, a right side arm, 41, a right mandrel parallel part, 42, a right mandrel vertical part, 43, a right driving part, 44, a third bolt, 45, a cylinder mounting frame, 46, a second rotary sleeve, 47, a third rotary sleeve, 48, a first stepped hole, 49, a second stepped hole, 40, a pivot pin, 401, a screw, 5, a left side arm, 51, a left mandrel parallel part, 52, a left mandrel vertical part, 53, a left driving part, 54, a cylinder joint, 55, a fourth rotary sleeve, 56, a fifth rotary sleeve, 6, a cylinder, 61, a cylinder telescopic rod, 62, a trimming screw, 7, and a small-sized double ear.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-9, fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a front view; FIG. 3 is a view A-A of FIG. 2; FIG. 4 is a top view; FIG. 5 is a front view of the drive arm bracket; FIG. 6 is a view A-A of FIG. 5; FIG. 7 is a top view of FIG. 5; FIG. 8 is a schematic view of the right side arm structure; fig. 9 is a schematic view of a left side arm structure.
The invention provides a small-sized double-lug snap spring automatic mounting mechanism which comprises a mechanism mounting plate 1, wherein a left limit stop 11 and a right limit stop 12 extend out of the side edge of the mechanism mounting plate 1, a rotary mandrel 2 is mounted at the center of the mechanism mounting plate 1 through a first bolt 13, a driving arm bracket 3, a right side arm 4 and a left side arm 5 are sleeved on the outer wall of the rotary mandrel 2, and a first bolt hole 21 is formed in the bottom of the rotary mandrel.
The driving arm support 3 takes the rotating mandrel 2 as an axis to semi-surround the rotating mandrel 2, a semi-annular boss 31 protruding outwards in the radial direction is arranged at the top of the driving arm support 3, a plurality of bolt holes II 301 are formed in the semi-annular boss 31, the semi-annular boss is fixedly connected with the mechanism mounting plate 1 through a plurality of bolts II 14 penetrating through the mechanism mounting plate 1, a rotating shaft sleeve I32 surrounding the rotating mandrel 2 is arranged at the position, close to the middle, of the driving arm support 3, a threaded hole 33 is formed in the center of the rotating shaft sleeve I32, the driving arm support 3 can be tightly propped against the outer wall of the rotating mandrel 2 through a centering pin 34 penetrating through the threaded hole 33, and the driving arm support 3 can be fixed with the rotating mandrel 2.
The right side arm 4 comprises a right mandrel parallel part 41 parallel to the rotating mandrel 2, the top end of the right mandrel parallel part 41 is connected with a right mandrel vertical part 42 perpendicular to the rotating mandrel, the top end of the right mandrel vertical part 42 is connected with a right driving part 43 parallel to the axis of the rotating mandrel 2 and higher than the upper surface of the mechanism mounting plate 1, the right driving part 43 is fixedly connected with the right limit stop 12 through a third bolt 44, the upper part of the right driving part 43 is also provided with a cylinder mounting frame 45, the upper part of the side wall of the right mandrel parallel part 41 is provided with a second rotating shaft sleeve 46 surrounding the rotating mandrel 2, the lower part of the side wall is provided with a third rotating shaft sleeve 47 surrounding the rotating mandrel 2, a step-shaped through hole is arranged in the third rotating shaft sleeve 47, the diameter of the step-shaped hole 48 at the upper part is the same as the inner diameter of the second rotating shaft sleeve 46, the step-shaped hole 49 at the lower part is larger than the first step-shaped hole 48, and the bottom end of the right mandrel parallel part 41 is provided with a ring-collecting pin 40 and is tightly fixed through a screw 401.
The left side arm 5 is arranged on the inner side of the left limit stop 11 and comprises a left mandrel parallel portion 51 parallel to the rotating mandrel 2, the top end of the left mandrel parallel portion 51 is connected with a left mandrel vertical portion 52 perpendicular to the rotating mandrel, the top end of the left mandrel vertical portion 52 is connected with a left driving portion 53 parallel to the axis of the rotating mandrel 2 and higher than the upper surface of the mechanism mounting plate 1, an air cylinder joint 54 is further arranged on the upper portion of the left driving portion 53, a rotating shaft sleeve four 55 surrounding the rotating mandrel 2 is arranged on the side wall of the left mandrel parallel portion 51 near the upper portion, a rotating shaft sleeve five 56 surrounding the rotating mandrel 2 is arranged on the side wall near the lower portion, and a ring-retracting pin 40 is arranged at the bottom end of the left mandrel parallel portion 51 and is tightly fixed through a screw 401.
The first rotating shaft sleeve 32, the second rotating shaft sleeve 46, the fourth rotating shaft sleeve 55, the fifth rotating shaft sleeve 56 are all the same in inner diameter, outer diameter and height, the third rotating shaft sleeve 47 is the same as the second rotating shaft sleeve 46 in outer diameter and is larger than the second rotating shaft sleeve 46 in height.
When the rotary spindle is used, the rotary spindle 2 sequentially penetrates through the rotary spindle second 46, the rotary spindle fourth 55, the rotary spindle first 32, the rotary spindle fifth 56 and the rotary spindle third 47 from top to bottom, then the bolt fourth 22 penetrates through the step hole second 49 to be fixed in the bolt hole first to prevent each rotary spindle from sliding downwards, the fixed rotary spindles are mutually attached, then the drive arm support 3 is fixedly connected with the mechanism mounting plate 1 through the bolt second 14, finally the drive arm support 3 is fixedly connected with the rotary spindle through the centering pin 34 penetrating through the threaded hole 33, the right side arm 4 and the left side arm 5 can rotate around the rotary spindle 2, and the lower ends of the right side arm 4 and the left side arm 5 are flush.
The right side arm 4 is then fixedly connected to the right bump stop 12 using a third screw 44.
The cylinder mounting frame 45 is fixedly provided with a cylinder 6, the tail end of a cylinder telescopic rod 61 of the cylinder 6 is connected with a cylinder joint 54, and the cylinder 6 drives the telescopic motion of the cylinder telescopic rod 61 so as to drive the bottom two ring-folding pins 40 to act. The two ring-folding pins 40 penetrate through two ears of the small clamp spring 7, so that the positioning function can be realized, and the ring-folding pins can also serve as output points of ring-folding force.
A fine adjustment screw 62 is further installed between the cylinder telescopic rod 61 and the cylinder joint 54, and is used for fine adjustment of the working length of the cylinder telescopic rod 61 of the cylinder.
When the small double-lug clamp spring is used, in the first step, the small double-lug clamp spring is fed into position.
And secondly, inserting two ring folding pins 40 into round holes at two ends of the small double-lug snap spring 7.
And thirdly, the cylinder 6 acts and retracts the cylinder telescopic rod 61, so that the small double-ear clamp spring 7 is driven to complete the ring retracting action.
And fourthly, moving the small double-lug clamp spring in the ring-folding state to a position to be installed.
And fifthly, opening the air cylinder 4, recovering the small double-lug clamp spring 5 to an initial state, clamping a notch to be installed, and completing the installation of the clamp spring.
The small-sized double-lug clamp spring automatic mounting mechanism has good use effects through field use detection, is firstly applied to automatic assembly of GB/T893.2 hole clamp springs, has the depth of a notch of an assembly position of the clamp springs of 30mm, is made of aluminum alloy materials, is easy to scratch, is extremely easy to scratch when the small-sized double-lug clamp springs are mounted by using the traditional process, and is extremely difficult to mount because various using tools are inconvenient to enter due to the fact that the notch is quite deep. The invention adopts the lever principle, and the two ring-folding pins 40 adopt a small structure at the contact part with the clamp spring, are precisely positioned, are grasped and folded, are provided with the air cylinder 6 at the far end to supply power and limit the travel, thereby effectively solving the installation problem caused by insufficient space, and can reduce the output force by utilizing the lever principle when the air cylinder is arranged at the far end.
In addition, the mounting notch depth of the small-sized double-lug snap springs, which can be mounted according to the requirements, of the left side arm 5 and the right side arm 4 can be changed.
The automatic mounting mechanism of the small-sized double-lug clamp spring adopts the lever principle that the proximal end is fixed and the distal end is clamped, so that the automatic mounting of the small-sized double-lug clamp spring in a small space is successfully realized; the left ring-folding pin and the right ring-folding pin are used for realizing positioning at the double ears of the small clamp spring, the thin pin is used for penetrating through the double ears of the small clamp spring, the positioning can be realized, the ring-folding pin can also be used as a ring-folding force output point, a rotating center is designed at a proper distance, the double-layer rotating shaft enables the structure to be more stable, power is added at a place with a wide space, the operation is more convenient, the structure is stable, nearby workpieces can be effectively prevented from being scratched, the small double-ear clamp spring is suitable for being installed in a narrow space, the installation efficiency is high, the use is safe, a cylinder is adopted as a power source, the power input can be met, and the energy is saved.
While embodiments of the invention have been illustrated and described, it will be apparent that the embodiments described are merely some, but not all embodiments of the invention. Based on the embodiments of the present invention, it will be understood by those skilled in the art that all other embodiments which may be obtained from numerous changes, modifications, substitutions and alterations of these embodiments without departing from the spirit and principles of the present invention are within the scope of the present invention.