CN111230472A - Automatic assembling machine for check ring of connecting rod piston pin - Google Patents
Automatic assembling machine for check ring of connecting rod piston pin Download PDFInfo
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- CN111230472A CN111230472A CN201910194718.1A CN201910194718A CN111230472A CN 111230472 A CN111230472 A CN 111230472A CN 201910194718 A CN201910194718 A CN 201910194718A CN 111230472 A CN111230472 A CN 111230472A
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- connecting rod
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- piston pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Abstract
The invention discloses an automatic assembling machine for a connecting rod piston pin retainer ring, which comprises a workbench, wherein a piston pin press-mounting line, a retainer ring press-mounting line and a finished product temporary storage line are sequentially arranged on the workbench in parallel, a material taking and discharging gripper assembly is arranged among the piston pin press-mounting line, the retainer ring press-mounting line and the finished product temporary storage line, the material taking and discharging gripper assembly is provided with a material taking gripper and a material discharging gripper, and the material taking gripper and the material discharging gripper are connected with the same moving; the piston pin press-mounting line is provided with a piston positioning seat A, the check ring press-mounting line is provided with a piston positioning seat B, the finished product temporary storage line comprises a base plate C and a storage table movably arranged on the base plate C, at least one piston positioning groove is formed in the storage table, and the storage table slides along the length direction of the base plate C and can enable the piston positioning groove to be collinear with the piston positioning seat A and the piston positioning seat B. By adopting the scheme, the whole layout structure is compact, the occupied space is greatly reduced, parts are simplified, the mechanism is optimized, the assembly efficiency is improved, the cost is reduced, and the operation reliability of the system is ensured.
Description
Technical Field
The invention belongs to the field of automatic assembly equipment, and particularly relates to an automatic assembly machine for a check ring of a connecting rod piston pin.
Background
Crankshaft connecting rod mechanism is the main mechanism that the engine produced and output power, it mainly includes the piston that stretches into the engine, the bent axle of output power, and the connecting rod of connecting piston and bent axle, three's assembling process relates to a plurality of steps, its procedure is loaded down with trivial details, if adopt the manual work to assemble, its packaging efficiency is low, and be difficult to guarantee product quality's uniformity, some machinery assistance automatic assembly equipment structures that have on the market are comparatively complicated again, often occupation space is great, it integrates and the miniaturization to be difficult to realize the assembly system, and assembly efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides the automatic assembling machine for the check ring of the connecting rod piston pin, which improves the assembling efficiency, realizes the integration and miniaturization of a system and has a more compact structure.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a connecting rod piston pin retaining ring automatic assembly machine which the key lies in: the device comprises a workbench, wherein a piston pin press-mounting line, a check ring press-mounting line and a finished product temporary storage line are sequentially arranged on the workbench in parallel, a material taking and discharging gripper assembly is arranged among the piston pin press-mounting line, the check ring press-mounting line and the finished product temporary storage line, and the material taking and discharging gripper assembly is provided with a material taking gripper and a material discharging gripper which are connected with the same moving auxiliary plate;
the finished product temporary storage line comprises a base plate C and a storage table movably arranged on the base plate C, wherein the storage table is provided with at least one piston positioning groove, and the storage table slides along the length direction of the base plate C to enable the piston positioning groove to be collinear with the piston positioning seat A and the piston positioning seat B;
the piston pin press-mounting line is used for mounting a piston pin, the check ring press-mounting line is used for press-mounting check rings, the finished product temporary storage line is used for temporarily storing finished products, the material taking gripper is used for grabbing a piston with a piston pin arranged in the piston positioning seat A and placing the piston into the piston positioning seat B, and meanwhile, the unloading gripper grabs a piston with a check ring arranged in the piston positioning seat B and places the piston into the finished product temporary storage line.
By adopting the scheme, the whole assembly system is more compact in structure, smaller in occupied space and beneficial to miniaturization of the system, and meanwhile, the unloading gripper assembly synchronously acts to complete conversion between two procedures, so that system integration is realized, and the assembly efficiency is greatly improved.
Preferably, the method comprises the following steps: the material taking and discharging gripper assembly comprises a supporting plate vertically arranged on a workbench, the supporting plate is provided with a horizontally arranged gripper transverse sliding rail, the gripper transverse sliding rail is positioned above a piston pin press-mounting line and is vertical to the piston pin press-mounting line, the gripper transverse sliding rail is provided with a mounting plate in sliding fit with the gripper transverse sliding rail, the mounting plate is provided with a vertically arranged longitudinal gripper sliding rail, and the moving auxiliary plate is in sliding fit with the longitudinal gripper sliding rail;
get material tongs and unload tongs and remove subplate fixed connection, and get the interval between material tongs and the tongs of unloading and piston pin pressure equipment line and the spacing between the retaining ring pressure equipment line and the finished product line of keeping in between equal.
By adopting the scheme, the piston is effectively ensured to be normally switched among the piston pin press-mounting line, the check ring press-mounting line and the finished product temporary storage line, and the lifting movement is stable, so that the working reliability of the system is ensured.
Preferably, the method comprises the following steps: the piston pin press-fitting line comprises a base plate A fixedly arranged on a workbench, the piston positioning seat A is positioned on the base plate A, a floating support assembly is arranged on one side, away from the check ring press-fitting line, of the base plate A, the floating support assembly corresponds to the position of the piston positioning seat A, and a piston pin receiving mechanism and a piston pin press-feeding mechanism are arranged on the base plate A. By adopting the scheme, before the piston pin is installed, the connecting rod is firstly placed into the piston, the inclined support of the connecting rod is realized through the floating support assembly, and the matching precision between the connecting rod and the piston can be improved.
Preferably, the method comprises the following steps: a feeding mechanism is arranged on one side of the workbench, the feeding mechanism is arranged corresponding to the piston pin receiving mechanism and comprises a straight vibration device A and a piston pin bin obliquely arranged on the straight vibration device A, and the piston pin bin is connected with a guide cylinder;
piston pin receiving mechanism includes rotatory feeding post to and rotatory feeding post pivoted actuating mechanism of drive, be equipped with the feed port on the rotatory feeding post, and rotatory feeding post has and connects material and pay-off two stations, and actuating mechanism can drive rotatory feeding post and rotate between two stations, and when rotatory feeding post was in and connects the material station, guide cylinder lower extreme was just to the feed port.
By adopting the scheme, the rotary feeding column realizes the conversion of two stations through rotation, the material receiving and press mounting of the piston pin can be completed, the compactness of the whole piston pin press mounting line is favorably improved, parts are reduced, and the operation reliability of the mechanism is ensured.
Preferably, the method comprises the following steps: the piston pin receiving mechanism further comprises a bearing, the rotary feeding column is rotatably supported on the bearing through a rotating shaft, and the bearing is mounted on the base plate A through a feeding mounting seat;
actuating mechanism includes rotatory actuating cylinder A and rotates the cam piece, it establishes to rotate the cam piece in the pivot, rotatory actuating cylinder A can drive and rotate the cam piece and rotate to it rotates to drive rotatory feeding post. By adopting the scheme, the rotary feeding column has the advantages that the rotary feeding column sensitivity is guaranteed, the smooth rotation is guaranteed, and the blocking is prevented.
Preferably, the method comprises the following steps: the driving mechanism further comprises a fisheye bearing, the rotating cam block is provided with a connecting column extending outwards, the connecting column and the rotating shaft are eccentrically arranged, one end of the fisheye bearing is sleeved on the connecting column, and the other end of the fisheye bearing is connected with a piston rod of the rotary driving cylinder A;
the base plate A is provided with a rotating limiting block corresponding to the positions of two sides of the rotating cam block, the rotating limiting block is provided with a limiting convex column which is just opposite to the rotating cam block in extension, and the limiting convex column is used for limiting the rotating angle of the rotating cam block.
By adopting the scheme, the accuracy of the rotary feeding column in switching between the two stations is improved, the reliability of the feeding and pressing processes is ensured, and the piston pin can be normally pressed.
Preferably, the method comprises the following steps: the check ring press-fitting line comprises a base plate B, the piston positioning seat B is fixedly arranged on the base plate B, check ring press-feeding mechanisms are symmetrically arranged on the two sides of the piston positioning seat B on the base plate B, and each check ring press-feeding mechanism comprises a feeding assembly, a moving assembly and a pressing assembly;
the movable assembly comprises a movable base plate arranged along the length direction of the base plate B, a positioning base is arranged at one end, close to the piston positioning seat B, of the check ring base plate, the positioning base is provided with a check ring pressure feed hole arranged along the length direction of the positioning base, the aperture of the check ring pressure feed hole is gradually reduced along the direction close to the piston positioning seat B, a check ring feeding port communicated with the check ring pressure feed hole is formed in the top of the positioning base, and the press-in assembly comprises a check ring press-fitting rod matched with the check ring pressure feed hole.
By adopting the scheme, the retainer ring can automatically contract and gather to the size consistent with that of the retainer ring groove on the piston in the moving process through the retainer ring pressure feeding hole, the retainer ring can be accurately loaded into the retainer ring pressure feeding hole, the structure of the retainer ring pressure loading rod ensures that the retainer ring is normally and effectively pushed, and the reliability of retainer ring pressure loading is greatly improved.
Preferably, the method comprises the following steps: the feeding assembly comprises a guide bottom plate, a check ring feeding rod and a plug board, the guide bottom plate is positioned above the positioning base, the check ring feeding rod is arranged along the length direction of the base plate B, a material waiting groove is arranged on one side, away from the piston positioning seat B, of the guide bottom plate corresponding to a check ring feeding port, the lower end of the material waiting groove is open, the size of the material waiting groove is matched with that of the check ring, one end of the check ring feeding rod extends into the material waiting groove, and a gap is reserved between the one end of the check ring feeding rod and the;
the position of the guide bottom plate corresponding to the material waiting groove is provided with a vertically arranged guide vertical plate, the inserting plate is movably arranged on the guide vertical plate, the guide vertical plate is provided with a check ring feeding cylinder for driving the inserting plate to lift, and the lower end of the inserting plate is over against a gap between a check ring feeding rod and the material waiting groove. By adopting the scheme, the retainer rings can be orderly and accurately conveyed into the retainer ring pressure feed holes through the inserting plate, so that the feeding efficiency is improved, and the assembly is ensured to be orderly carried out.
Preferably, the method comprises the following steps: treat that the position that the silo diapire just faced retaining ring feed rod is equipped with the magnetic sheet. By adopting the scheme, the stability of the state of the retainer ring after entering the material groove is kept, the opening of the retainer ring is ensured to face downwards, the retainer ring cannot fall out from the lower part immediately, the magnetic sheet is adopted, the structure is further simplified, and the cost is reduced.
Preferably, the method comprises the following steps: a connecting rod supply line is arranged between the piston pin press-mounting line and the check ring press-mounting line, the connecting rod supply line comprises a connecting rod conveying assembly and a connecting rod gripper, the connecting rod conveying assembly comprises a connecting rod feeding base plate D fixedly arranged on the workbench and a connecting rod positioning plate movably arranged on the connecting rod feeding base plate D, and the connecting rod feeding base plate D is provided with a connecting rod conveying cylinder used for driving the connecting rod positioning plate to slide along the length direction of the connecting rod positioning plate;
the connecting rod positioning plate is provided with connecting rod limiting seats which are uniformly distributed, and the connecting rod gripper is used for gripping a connecting rod in the connecting rod limiting seat and putting the connecting rod into a piston in the piston positioning seat A. By adopting the scheme, the gap space is fully utilized, the supply of the connecting rods is completed, the occupied space of the whole assembly system is further reduced, and the structure is more compact.
Compared with the prior art, the invention has the beneficial effects that:
the automatic assembling machine for the check ring of the piston pin of the connecting rod has the advantages of compact integral layout structure, greatly reduced occupied space, simplified parts, optimized mechanism, improved assembling efficiency, reduced cost and ensured system operation reliability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an isometric view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a schematic view of a gripper assembly;
FIG. 5 is a schematic view of the loading mechanism in cooperation with a piston pin press-fitting line;
FIG. 6 is a schematic view of a piston pin press-fitting line;
FIG. 7 is a schematic structural view of a piston pin receiving mechanism;
FIG. 8 is a schematic view of a floating support assembly;
FIG. 9 is a schematic view of a retainer ring press-fitting line;
FIG. 10 is a schematic view of a moving assembly;
FIG. 11 is a schematic view of a feed assembly;
FIG. 12 is a schematic structural view of a material waiting tank;
FIG. 13 is a schematic view of a positioning base structure;
FIG. 14 is a cross-sectional view of FIG. 13;
FIG. 15 is a schematic view of a retainer ring feed rod configuration;
FIG. 16 is a cross-sectional view of FIG. 15;
FIG. 17 is a schematic view of a connecting rod supply line structure.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Referring to fig. 1 to 17, the automatic assembling machine for the piston pin check ring of the connecting rod mainly comprises a piston pin press-mounting line 1, a check ring press-mounting line 2, a finished product temporary storage line 3 and a finished product conveying line 7, wherein the piston pin press-mounting line 1, the check ring press-mounting line 2 and the finished product temporary storage line 3 are all installed on the same workbench 5 and are sequentially arranged in parallel and are basically located on the same horizontal plane, the finished product conveying line 7 is located on one side, far away from the check ring press-mounting line 2, of the finished product temporary storage line 3, the piston pin press-mounting line 1 is mainly used for completing installation of piston pins and realizing fixed connection of pistons and connecting rods, the check ring press-mounting line 2 is mainly used for installing check rings and fixing piston pins, the cost temporary storage line 3 is used for temporarily storing a small amount of assembled finished products and waiting for transfer.
Referring to fig. 1 and 4, a material taking and discharging gripper assembly 4 is arranged between the piston pin press-mounting line 1, the check ring press-mounting line 2 and the finished product temporary storage line 3, as shown in the figure, the material taking and discharging gripper assembly 4 mainly comprises two support plates 43, the support plates 43 are vertically supported on the workbench 5, the two support plates 43 are connected with a transverse plate, a gripper transverse slide rail 44 is fixedly arranged on the transverse plate, the length of the gripper transverse slide rail 44 covers the width ranges of the piston pin press-mounting line 1, the check ring press-mounting line 2 and the finished product temporary storage line 3, the gripper transverse slide rail 44 is positioned above the piston pin press-mounting line 1, the check ring press-mounting line 2 and the finished product temporary storage line 3 and is mutually vertical, a mounting plate 45 in sliding fit with the gripper transverse slide rail 44 is arranged on the gripper transverse slide rail 44, a vertical gripper slide rail 46 in vertical arrangement is arranged on the mounting plate 45, the vertical gripper, the movable auxiliary plate 42 is provided with a material taking gripper 40 and a material discharging gripper 41 which are fixedly connected with the movable auxiliary plate, the heights of the material taking gripper 40 and the material discharging gripper 41 are kept consistent, and the distance between the material taking gripper 40 and the material discharging gripper 41 is equal to the distance between the piston pin press-mounting line 1 and the check ring press-mounting line 2 and the distance between the check ring press-mounting line 2 and the finished product temporary storage line 3.
Be equipped with the tongs that drive removal subplate 42 along vertical tongs slide rail 46 elevating movement on the mounting panel 45 and drive actuating cylinder 47, the one end of diaphragm is equipped with the gliding tongs servo motor 48 of drive mounting panel 45 along tongs horizontal slide rail 44, can realize getting the synchronous motion of material tongs 40 and unloading tongs 41 like this, be about to accomplish piston pin on piston pin pressure equipment line 1 and snatch to the retaining ring pressure equipment line 2 on, and the piston of accomplishing the retaining ring assembly on the former retaining ring pressure equipment line 2 is then transported to finished product line 3 of keeping in, has improved assembly efficiency greatly.
Referring to fig. 1 to 3 and 4 to 8, in the present application, a piston pin press-fitting line 1 mainly includes a base plate a11 fixedly disposed on a workbench 5, a piston positioning seat a10 is fixedly disposed in the middle of the base plate a11, a piston can be fixedly disposed in the piston positioning seat a10, a floating support assembly 12 is disposed on a side of the base plate a11 away from a retainer ring press-fitting line 2, after a connecting rod is placed in the piston, the floating support assembly 12 can temporarily support the connecting rod in an inclined manner, and a piston pin receiving mechanism 14 and a piston pin press-fitting mechanism 15 are further disposed on the base plate a 11.
As shown in the figure specifically, the position that corresponds piston pin pressure equipment line 1 one end is equipped with feed mechanism 16, feed mechanism 16 passes through the frame and supports and be higher than workstation 5, feed mechanism 16 mainly includes straight oscillator A160 and the piston pin feed bin 161 of slope support on straight oscillator A160, parallel arrangement's branch flitch has in the piston pin feed bin 161, its low side is provided with the arrangement groove, and have the guide cylinder 162 that links to each other and vertical setting with it, one side of piston pin feed bin 161 is equipped with stirs the cylinder, it can drive a side shield and rotate to stir the cylinder, in order to stir piston pin entering arrangement groove in order, the rethread is arranged the groove and is got into guide cylinder 162.
The piston pin receiving mechanism 14 mainly includes a rotary feeding column 140 and a driving mechanism 141, wherein the rotary feeding column 140 has two stations for receiving and feeding materials, the driving mechanism 141 can drive the rotary feeding column 140 to rotate between the two stations, a feeding hole 1400 with two open ends is provided on the rotary feeding column 140, when the rotary feeding column 140 is at the receiving station, one end of the feeding hole 1400 is over against the material guide cylinder 162, so that the piston pin falling from the material guide cylinder 162 can directly enter the feeding hole 1400.
As shown in fig. 5 to 7, a feeding mounting seat is provided on the base plate a11 corresponding to the position of the rotary feeding column 140, the rotary feeding column 140 is rotatably supported on the mounting seat as much as possible by a rotating shaft 1401, and a bearing 142 is provided at the corresponding position, in this embodiment, an included angle between two stations of the rotary feeding column 140 is 90 °, and the rotary feeding column is substantially cylindrical, and has two symmetrically arranged tangential planes on a peripheral side wall thereof, the tangential planes are arranged along the width direction of the base plate a11 and perpendicular to the radial direction of the rotary feeding column 140, and two end sides of the feeding hole 1400 penetrate through the two symmetrically arranged tangential planes and are arranged along the diameter of the rotary feeding column 140, and the length thereof is adapted to the length of a piston pin, that is, just to accommodate a piston pin therein.
When the rotary feeding column 140 is at the material receiving station, the feeding hole 1400 is in a vertical state, and can just receive the piston pin falling from the guide cylinder 162, and rotate 90 degrees under the driving of the driving mechanism 141 to reach the feeding station, and at this time, the feeding hole 1400 is in a horizontal state, and the piston pin can be pushed out of the feeding hole 1400 and pushed towards the piston positioning seat a10 through the piston pin pressure feeding mechanism 15.
Referring to fig. 6 and 7, the driving mechanism 141 in this embodiment includes a rotary driving cylinder a1410 and a rotary cam block 1411, the rotary cam block 1411 is sleeved on one end of the rotating shaft 1401, and the rotary driving cylinder a1410 can drive the rotary cam block 1411 to rotate to drive the rotary feeding column 140 to rotate, specifically, as shown in the figure, the rotary driving cylinder a1410 is disposed along the length direction of the substrate a11, the rotary cam block 1411 has a protruding portion protruding outward, the rotary cam block 1411 is far away from the rotary feeding column 140 and has a connecting column 1413 fixedly connected to the rotary feeding column 140, the connecting column 1413 extends outward and is eccentrically disposed with respect to the rotating shaft, a piston rod 1410 of the rotary driving cylinder a is connected to the connecting column 1413 through a fisheye bearing 1412, a shaft end of the fisheye bearing 1412 is sleeved on the connecting column 1413, and the other end of the rotary driving.
In addition, the positions corresponding to the front side and the rear side of the rotating cam block 1411 on the substrate A11 are provided with rotating limiting blocks 143, the rotating limiting blocks 143 are provided with limiting convex columns 144 extending over the rotating cam block 1411, the two limiting convex columns 144 are arranged over the rotating limiting blocks 144 and extend along the length direction of the substrate A11, the limiting convex columns 144 in the embodiment are of stud structures, so that the distance between the two can be adjusted at the later stage conveniently, and the rotating range of the rotating cam block 1411 can be adjusted quickly.
Referring to fig. 5 and 6, in the present embodiment, the piston pin pressure feeding mechanism 15 mainly includes a pushing assembly 150 and a pulling assembly 151, when the rotary feeding column is in the feeding station, the pushing assembly 150 can push the piston pin forward to push the piston pin toward the piston located in the piston positioning seat a10, and the pulling assembly 151 passes through the piston and abuts against the piston pin, and the two move forward and backward and act synchronously, so as to ensure the stability of the piston pin during the forward movement process, so that the piston pin can be inserted into the piston pin smoothly.
Referring to fig. 6 and 8, the floating support assembly 12 of the present embodiment mainly includes an adjusting cylinder 120 and a support head 121, the adjusting cylinder 120 is located on the upper side of the piston positioning seat a10, and the support head 121 mainly includes a support plate 122, the support plate 122 is disposed along the length direction of the base plate a11, the vertical setting of its face, backup pad 122 links to each other with the piston rod of adjustment cylinder 120, and still be equipped with flexible guide cylinder between the two, the lower part of backup pad 122 is equipped with two spacing seats 123 of piston, the distance between two spacing seats 123 of piston suits with treating the pressure equipment piston size, the upper portion of backup pad 122 is equipped with two connecting rod supporting seats 124, two spacing seats 122 of piston and two connecting rod supporting seats 124 all set up along the width direction axis symmetry of piston positioning seat A10, for reducing part manufacturing cost in this application, make two connecting rod supporting seats 124 into the integrative piece that is the U style of calligraphy, mainly realize the support to the connecting rod major end.
Referring to fig. 1 to 3 and 9 to 16, in this embodiment, the retainer ring press-fitting line 2 mainly includes a base plate B21 that is parallel to and horizontally disposed on a base plate a11, a piston positioning seat B20 is disposed on a base plate B21 at a position facing the piston positioning seat a10, retainer ring press-feeding mechanisms are symmetrically disposed on two sides of the piston positioning seat B20, and each retainer ring press-feeding mechanism mainly includes a feeding component 22, a moving component 23, and a press-in component 24, where the feeding component 22 is mainly used to feed a retainer ring into the moving component 23, the moving component 23 mainly plays a role in transferring, and can achieve a function of drawing in the retainer ring, and at the same time, secondarily fix a piston on the piston positioning seat B20 to prevent the piston from shaking due to left-right rotation, and the press-in component 24 can press-fit the.
As shown in fig. 9, 10, 13 and 14, the moving assembly 23 mainly includes a moving base plate 230 disposed along the length direction of a base plate B21, the base plate B21 has a guide rail 210 fixed along the length direction thereof, the moving base plate 230 is slidably engaged with the guide rail 210, the end of a base plate B21 is provided with a transfer cylinder 234, the transfer cylinder 234 can drive the moving base plate 230 to slide back and forth along the guide rail 210 to approach or separate from a piston positioning seat B20, one end of the moving base plate 230 near the piston positioning seat B20 is fixedly provided with a positioning base 231, the positioning base 231 is disposed opposite to the piston positioning seat B20 and has a locking sleeve 235 extending along the length direction of the base plate B21, the front end of the locking sleeve 235 is a flat structure and is adapted to the press fitting ports on both sides of the piston, when the moving base plate 230 moves toward the piston positioning seat B20, the locking sleeve 235 at the front end of the positioning base 231 can be inserted, the piston is prevented from rotating on the piston positioning seat B20, the press fitting stability is ensured, and the check ring can be just pressed into the piston positioning seat B20.
The positioning base 231 is provided with a check ring pressure feed hole 232 extending along the length direction of the base plate B21, the front end and the rear end of the check ring pressure feed hole 232 are open and are generally tapered, namely, the aperture close to one end of the piston positioning seat B20 is smaller than that of the other end, when the check ring moves towards one end of the piston positioning seat B20 in the check ring pressure feed hole 232, the check ring is limited by the aperture and gradually gathers up to be matched with a check ring groove on the piston, and can be quickly embedded into the check ring groove, the top of the positioning base 231 is provided with a check ring feed port 233, the upper end of the check ring feed port 233 is open, the lower end of the check ring feed hole 233 is communicated with the check ring pressure feed hole 232, and the width of the check ring feed port 233 is slightly larger than the thickness of the check ring, so that the check ring can enter the.
Referring to fig. 9 and 10, the feeding assembly 22 of the present embodiment mainly includes a guiding bottom plate 220, a retainer feeding rod 221, an inserting plate 222 and a guiding vertical plate 223, as shown in the figure, the base plate B21 is symmetrically provided with a raised plate 211 on both sides of the guide rail 210, the guide bottom plate 220 is supported above the positioning base 231 through the raised plate 211 and is located at one end close to the piston positioning seat B20, when the positioning base 231 slides back and forth along with the moving base plate 230, it is always located right under the guide bottom plate 220 at a certain moment, the guide vertical plate 223 is vertically arranged on the guide bottom plate 220, and is mutually perpendicular to the guiding bottom plate 220, a guiding sliding groove is arranged on one side of the guiding bottom plate 220 far away from the piston positioning seat B20, the inserting plate 222 is movably arranged in the guiding sliding groove, a feeding cylinder 224 is arranged at the upper end of the guiding vertical plate 223, the feeding cylinder 224 can push the inserting plate 222 to do vertical lifting movement, meanwhile, the lower end of the insert plate 222 is in an arc structure which is matched with the retainer ring in a natural state.
The position that corresponds picture peg 222 on direction bottom plate 220 is equipped with treats silo 2200, treat that silo 2200 size suits with the retaining ring, treat that the upper end of silo 2200 links to each other with the direction spout, make picture peg 222 can stretch into treat in the silo 2200, treat that the lower extreme of silo 2200 is uncovered, treat that the symmetry is provided with four magnetic sheets 2201 on the diapire of silo 2200, four magnetic sheets 2201 are in same circumference, after the retaining ring is followed the front entering of treating silo 2200 and is treated in the silo 2200, under the effect of magnetic sheet 2201, adsorb in treating silo 2200, and can not drop from below uncovered department immediately.
The retainer ring feeding rod 221 is arranged along the length direction of the base plate B21, one end of the retainer ring feeding rod 221 is lower than the other end of the retainer ring feeding rod, the lower end of the retainer ring feeding rod extends into the waiting trough 2200, and a gap is reserved between the bottom wall of the waiting trough 2200 and the bottom wall of the waiting trough 2200, the gap is slightly larger than the thickness of the retainer ring, so that the retainer ring can just slide into the waiting trough 2200 after the retainer ring feeding rod 221 is arranged, a vertical vibrator B225 is arranged on one side of the elevating plate 211, the retainer ring feeding rod 221 is supported on the vertical vibrator B225 to ensure that the retainer ring on the retainer ring feeding rod 221 can move forwards in a vibration mode to enter the waiting trough 2200, the higher end of the retainer ring feeding rod 221 is connected with the discharging vibration disc 226, and the retainer ring stored in.
Referring to fig. 9 to 16, the press-in assembly 24 in this embodiment mainly includes a retainer ring press-fitting rod 240 and a retainer ring press-in cylinder 241, as shown in the drawings, the press-fitting rod 240 is supported on the movable base plate 230 through a guide seat, the retainer ring press-in cylinder 241 is located at an end of the movable base plate 230 far from the piston positioning seat B20, the press-fitting rod 240 is disposed along a length direction of the base plate B21 opposite to the retainer ring press-in hole 232, and the retainer ring press-in cylinder 241 is connected to the retainer ring press-fitting rod 240 and can push the retainer ring press-fitting rod 240 to move back and.
In order to realize the folding and pressing-in of the retainer ring, the size of the retainer ring press-fitting rod 240 in this embodiment can be adapted to the size of the retainer ring press-fitting hole 232, as shown in the figure, the retainer ring press-fitting rod 240 mainly includes a fixed straight plate 242, one end of the fixed straight plate 242, which is close to the piston positioning seat B20, is provided with an anti-turning-over 243, the other end is provided with an integrally formed connecting seat 244, two sides of the fixed straight plate 242 are provided with arc-shaped movable plates 245 symmetrically arranged along the length direction thereof, one end of the arc-shaped movable plate 245, which is far from the anti-turning-over 243, is hinged to the connecting seat 244 through a rotating shaft 246, a spring 247 symmetrically arranged between the arc-shaped movable plate 245 and the fixed straight plate 242, the arc-shaped movable plate 245 can rotate around the rotating shaft 246 to be close to or far from the fixed straight plate 242 under the action of the spring 247, and, the diameter of the retainer ring press-fitting rod 240 is gradually reduced along with the limitation of the retainer ring press-fitting hole 232, and the retainer ring press-fitting rod is matched with the retainer ring, so that the situation that the front end of the retainer ring press-fitting rod 240 is smaller at the beginning to cause the retainer ring to be directly sleeved on the retainer ring press-fitting rod 240 instead of being positioned at the front end of the retainer ring press-fitting rod 240 is prevented, and therefore the retainer ring is always positioned at the foremost end and can be better pressed into a retainer ring groove.
In order to further improve the automatic assembly efficiency in the present application, a connecting rod supply line 6 is further disposed between the piston pin press-fitting line 1 and the retainer ring press-fitting line 2, referring to fig. 1 to 3, the connecting rod supply line 6 mainly includes a connecting rod conveying assembly 60 and a connecting rod gripper 61, wherein the connecting rod gripper 61 corresponds to the position of the piston positioning seat a10, the connecting rod conveying assembly 60 mainly includes a connecting rod feeding base plate D62 and a connecting rod positioning plate 63, the connecting rod feeding base plate D62 is fixedly disposed on the worktable 5 and is disposed parallel to the base plate a11, a slide rail is disposed thereon, the connecting rod positioning plate 63 is slidably engaged with the slide rail, a connecting rod conveying cylinder 64 is disposed at one end of the connecting rod feeding base plate D62, the connecting rod conveying cylinder 64 can drive the connecting rod positioning plate 63 to slide along the slide rail, a connecting rod positioning seat 65 is disposed on the connecting rod positioning plate 63, the, when the set position is reached, the connecting rod gripper 61 can take out the connecting rod in the connecting rod limiting seat 65 and supply the connecting rod to the piston pin press-fitting line 1.
In order to ensure the reliability of the assembly system, the two connecting rod positioning plates 63 are arranged in the embodiment and are driven and conveyed by the independent connecting rod conveying cylinders 64, so that two sets of supply lines are actually formed, the two sets of supply lines supply materials in a crossed manner, when one set of supply materials is supplied, the other set of supply materials can be manually fed, and the assembly efficiency is improved at the same time
Similarly, the workbench 5 is further provided with a piston supply seat 8 and a piston supply hand grip 80, the piston supply seat 8 is provided with a piston direction identification and correction device, when an external device puts a piston on the piston supply seat 8, the piston direction identification and correction device works to identify the direction of the piston and adjust the position to a proper position in a rotating mode so as to meet the requirements that the piston is grabbed by the subsequent piston supply hand grip 80 and piston parts are automatically assembled, and the piston direction identification and correction device can continuously load the piston into the piston pin press-mounting line 1 through the piston supply hand grip 80.
Referring to fig. 1 to 3, the product temporary storage line 3 in this embodiment mainly includes a base plate C30 and a storage table 31 fixedly disposed on the working table 5, the base plate C30 is disposed parallel to the base plate a11, the base plate C30 is provided with a slide rail disposed along the length direction thereof, the storage table 31 is in sliding fit with the slide rail, in this embodiment, the storage table 31 is provided with four piston positioning slots 32 distributed along the length direction thereof, when the storage table 31 slides along the slide rail under the driving of a progressive motor, the piston positioning slots 32 can be collinear with the piston positioning base B20 one by one, so as to cooperate with the material taking gripper 40 and the discharging gripper 41 to operate synchronously.
The finished product conveying line 7 mainly comprises a conveying rack 70, at least one tray 71 and a stacking and placing gripper 72, wherein the tray 71 is detachably placed on the conveying rack 70 and can slide along the length direction of the tray, in the embodiment, the conveying rack 70 meets the requirement of placing five trays 71, a stopper is arranged between every two adjacent trays 71, the tray 71 is located at a loading station when sliding along the conveying rack 70 to be opposite to the storage table 31, at the moment, the stacking and placing gripper 72 can simultaneously grab and place four finished piston connecting rod assembly products on the storage table 31 onto the tray 71 opposite to the stacking and placing gripper, and the tray 71 slides open after the tray 71 is filled with the finished products, so that the next tray 71 is released from the station.
Referring to fig. 1 to 16, the operation of the present invention is as follows, initially, the piston is grabbed by the piston supplying hand 80 and put into the piston positioning seat a10, then the connecting rod is grabbed by the connecting rod hand 61 and put into the piston on the piston positioning seat a10, the connecting rod is supported by the floating support assembly 12, the pin holes of the two are ensured to be aligned, and the press-fitting of the piston pin is completed by the piston pin receiving mechanism 14 and the piston pin press-feeding mechanism 15.
And then the piston seat assembled by the piston is grabbed and placed into the piston positioning seat B20 by the material taking gripper 40, the assembly of the check ring is completed, the whole piston connecting rod assembly is assembled, then the piston assembled by the check ring is grabbed and placed into the piston positioning groove 32 by the material discharging gripper 41, the finished product transferring gripper is prepared to uniformly operate to the finished product conveying line 7, the material taking gripper 40 and the material discharging gripper 41 can synchronously act in the process, the idle operating period of the equipment is shortened, and the assembly efficiency is greatly improved.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a connecting rod piston pin retaining ring automatic assembly machine which characterized in that: the device comprises a workbench (5), wherein a piston pin press-mounting line (1), a check ring press-mounting line (2) and a finished product temporary storage line (3) are sequentially arranged on the workbench (5) in parallel, a material taking and discharging gripper assembly (4) is arranged among the piston pin press-mounting line, the check ring press-mounting line and the finished product temporary storage line, the material taking and discharging gripper assembly (4) comprises a material taking gripper (40) and a material discharging gripper (41), and the material taking gripper (40) and the material discharging gripper (41) are connected with the same moving auxiliary plate (42);
the piston pin press-mounting line (1) is provided with a piston positioning seat A (10), the check ring press-mounting line (2) is provided with a piston positioning seat B (20), the finished product temporary storage line (3) comprises a base plate C (30) and a storage table (31) movably arranged on the base plate C (30), the storage table (31) is provided with at least one piston positioning groove (32), the storage table (31) slides along the length direction of the base plate C (30), and the piston positioning groove (32), the piston positioning seat A (10) and the piston positioning seat B (20) can be collinear;
piston pin pressure equipment line (1) is used for installing the piston pin, and retaining ring pressure equipment line (2) are used for pressure equipment retaining ring, and finished product line of keeping in (3) are used for depositing the finished product temporarily, get material tongs (40) and be arranged in grabbing the piston that finishes the piston pin in piston positioning seat A (10) and put into piston positioning seat B (20), unload tongs (41) simultaneously and snatch the piston that finishes the retaining ring in piston positioning seat B (20) and put into finished product line of keeping in (3).
2. The connecting rod piston pin collar automatic assembling machine according to claim 1, characterized in that: the material taking and discharging gripper assembly (4) comprises a supporting plate (43) which is vertically arranged on a workbench (5), the supporting plate (43) is provided with a horizontally arranged gripper transverse sliding rail (44), the gripper transverse sliding rail (44) is positioned above the piston pin press-mounting line (1) and is mutually vertical to the piston pin press-mounting line, the gripper transverse sliding rail (44) is provided with a mounting plate (45) in sliding fit with the gripper transverse sliding rail, the mounting plate (45) is provided with a vertically arranged longitudinal gripper sliding rail (46), and the movable auxiliary plate (42) is in sliding fit with the longitudinal gripper sliding rail (46);
the material taking gripper (40) and the material discharging gripper (41) are fixedly connected with the movable auxiliary plate (42), and the distance between the material taking gripper (40) and the material discharging gripper (41) is equal to the distance between the piston pin press-mounting line (1) and the check ring press-mounting line (2) and the distance between the check ring press-mounting line (2) and the finished product temporary storage line (3).
3. The connecting rod piston pin collar automatic assembling machine according to claim 1, characterized in that: the piston pin press-fitting line (1) comprises a base plate A (11) fixedly arranged on a workbench (5), the piston positioning seat A (10) is located on the base plate A (11), a floating supporting assembly (12) is arranged on one side, away from the check ring press-fitting line (2), of the base plate A (11), the floating supporting assembly (12) corresponds to the position of the piston positioning seat A (10), and a piston pin receiving mechanism (14) and a piston pin press-feeding mechanism (15) are arranged on the base plate A (11).
4. The connecting rod piston pin collar automatic assembling machine according to claim 3, characterized in that: a feeding mechanism (16) is arranged on one side of the workbench (5), the feeding mechanism (16) is arranged corresponding to the piston pin receiving mechanism (14) and comprises a straight vibration device A (160) and a piston pin bin (161) obliquely arranged on the straight vibration device A (160), and the piston pin bin (161) is connected with a material guide cylinder (162);
the piston pin receiving mechanism (14) comprises a rotary feeding column (140) and a driving mechanism (141) for driving the rotary feeding column (140) to rotate, a feeding hole (1400) is formed in the rotary feeding column (140), the rotary feeding column (140) is provided with two stations for receiving and feeding materials, the driving mechanism (141) can drive the rotary feeding column (140) to rotate between the two stations, and when the rotary feeding column (140) is located at the receiving station, the lower end of the guide cylinder (162) is opposite to the feeding hole (1400).
5. The connecting rod piston pin collar automatic assembling machine according to claim 3, characterized in that: the piston pin receiving mechanism (14) further comprises a bearing (142), the rotary feeding column (140) is rotatably supported on the bearing (142) through a rotating shaft (1401), and the bearing (142) is installed on the base plate A (11) through a feeding installation seat;
the driving mechanism (141) comprises a rotary driving cylinder A (1410) and a rotary cam block (1411), the rotary cam block (1411) is sleeved on the rotating shaft (1401), and the rotary driving cylinder A (1410) can drive the rotary cam block (1411) to rotate so as to drive the rotary feeding column (140) to rotate.
6. The connecting rod piston pin collar automatic assembling machine according to claim 5, characterized in that: the driving mechanism (141) further comprises a fisheye bearing (1412), the rotating cam block (1411) is provided with a connecting column (1413) extending outwards, the connecting column (1413) and the rotating shaft (1401) are arranged eccentrically, one end of the fisheye bearing (1412) is sleeved on the connecting column (1413), and the other end of the fisheye bearing is connected with a piston rod of the rotary driving cylinder A (1410);
the base plate A (11) is provided with a rotation limiting block (143) corresponding to the two sides of the rotation cam block (1411), the rotation limiting block (143) is provided with a limiting convex column (144) which just extends towards the rotation cam block (1411), and the limiting convex column (144) is used for limiting the rotation angle of the rotation cam block (1411).
7. The connecting rod piston pin collar automatic assembling machine according to claim 1, characterized in that: the check ring press-fitting line (2) comprises a base plate B (21), the piston positioning seat B (20) is fixedly arranged on the base plate B (21), check ring press-feeding mechanisms are symmetrically arranged on two sides of the piston positioning seat B (20) on the base plate B (21), and each check ring press-feeding mechanism comprises a feeding assembly (22), a moving assembly (23) and a press-in assembly (24);
the moving assembly (23) comprises a moving base plate (230) arranged along the length direction of a base plate B (21), a positioning base (231) is arranged at one end, close to the piston positioning seat B (20), of the retainer ring base plate (230), the positioning base (231) is provided with a retainer ring pressure feed hole (232) arranged along the length direction of the positioning base, the aperture of the retainer ring pressure feed hole (232) is gradually reduced along the direction close to the piston positioning seat B (20), a retainer ring feed port (233) communicated with the retainer ring pressure feed hole (232) is arranged at the top of the positioning base (231), and the press-in assembly (24) comprises a retainer ring press-in rod (240) matched with the retainer ring pressure feed hole (232).
8. The connecting rod piston pin collar automatic assembling machine according to claim 7, characterized in that: the feeding assembly (22) comprises a guide bottom plate (220), a retainer ring feeding rod (221) and an inserting plate (222), the guide bottom plate (220) is located above a positioning base (231), the retainer ring feeding rod (221) is arranged along the length direction of a base plate B (21), a to-be-fed groove (2200) is arranged on one side, away from a piston positioning seat B (20), of the guide bottom plate (220) and corresponds to a retainer ring feeding hole (233), the to-be-fed groove (2200) is open at the lower end and is adaptive to the retainer ring in size, one end of the retainer ring feeding rod (221) extends into the to-be-fed groove (2200), and a gap is reserved between the one end of the retainer ring feeding rod and the bottom wall of the;
the position of the guide bottom plate (220) corresponding to the material waiting groove (2200) is provided with a vertically arranged guide vertical plate (223), the inserting plate (222) is movably arranged on the guide vertical plate (223), the guide vertical plate (223) is provided with a retainer ring feeding cylinder (224) used for driving the inserting plate (222) to lift, and the lower end of the inserting plate (222) is over against a gap between the retainer ring feeding rod (221) and the material waiting groove (2200).
9. The connecting rod piston pin collar automatic assembling machine according to claim 8, characterized in that: and a magnetic sheet (2201) is arranged at the position, facing the retainer ring feeding rod (221), of the bottom wall of the material waiting groove (2200).
10. The connecting rod piston pin collar automatic assembling machine according to claim 1, characterized in that: a connecting rod supply line (6) is arranged between the piston pin press-mounting line (1) and the check ring press-mounting line (2), the connecting rod supply line (6) comprises a connecting rod conveying assembly (60) and a connecting rod gripper (61), the connecting rod conveying assembly (60) comprises a connecting rod feeding base plate D (62) fixedly arranged on the workbench (5) and a connecting rod positioning plate (63) movably arranged on the connecting rod feeding base plate D (62), and the connecting rod feeding base plate D (62) is provided with a connecting rod conveying cylinder (64) for driving the connecting rod positioning plate (63) to slide along the length direction of the connecting rod feeding base plate D (62);
the connecting rod positioning plate (63) is provided with connecting rod limiting seats (65) which are uniformly distributed, and the connecting rod gripper (61) is used for gripping a connecting rod in the connecting rod limiting seat (65) and putting the connecting rod into a piston in the piston positioning seat A (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910194718.1A CN111230472B (en) | 2019-03-14 | 2019-03-14 | Automatic assembling machine for check ring of connecting rod piston pin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910194718.1A CN111230472B (en) | 2019-03-14 | 2019-03-14 | Automatic assembling machine for check ring of connecting rod piston pin |
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| CN111230472A true CN111230472A (en) | 2020-06-05 |
| CN111230472B CN111230472B (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910194718.1A Active CN111230472B (en) | 2019-03-14 | 2019-03-14 | Automatic assembling machine for check ring of connecting rod piston pin |
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| CN112318365A (en) * | 2020-10-28 | 2021-02-05 | 博众精工科技股份有限公司 | Metal ring blanking equipment |
| CN112936166A (en) * | 2021-01-29 | 2021-06-11 | 四川飞亚动力科技股份有限公司 | Press-fitting equipment for crankshaft of diesel engine and application method of press-fitting equipment |
| CN113649777A (en) * | 2021-07-15 | 2021-11-16 | 江苏兴达智能制造有限公司 | Automatic 800 spool replacing system |
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| CN111230472B (en) | 2021-07-09 |
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