CN112122900A - Baffle ring feeding mechanism and feeding device for piston assembly assembling - Google Patents

Abstract

The present invention relates to the field of piston assembly. A baffle ring feeding mechanism for piston assembly comprises a baffle ring pulling assembly, a positive and negative identification assembly, a turnover assembly and a baffle ring feeding assembly; the overturning assembly comprises an overturning frame, a rotating cylinder, an overturning connecting plate, an overturning shell, a first overturning push block, a first overturning push cylinder, an overturning push guide plate, a second overturning push block and a second overturning push cylinder; the vertical installation revolving cylinder in upper portion of roll-over stand, the upset connecting plate is the U-shaped, and the one end fixed mounting of upset connecting plate is at revolving cylinder's output, and the other end fixed mounting of upset connecting plate overturns the casing, is equipped with the upset hole that transversely runs through on the upset casing, and the upset casing is used for the upset to keep off the ring. The position of fender ring around the upset is unchangeable to first upset ejector pad can push back to keeping off the ring and continue the material loading on pulling the material belt.

Description

Baffle ring feeding mechanism and feeding device for piston assembly assembling

Technical Field

The invention relates to the field of piston assembly, in particular to a baffle ring feeding mechanism and a feeding device for piston assembly and piston assembly equipment.

Background

The piston assembly is an important part in the motion executing components of the cylinder and the oil cylinder, has extremely wide application range and mainly plays a role in supporting the piston to do work. The piston assembly comprises a connecting piece, a mandrel, a first baffle ring, a piston, a guide sleeve assembly, a second baffle ring, a limiting nut, a recovery valve and a locking nut; the right-hand member and the connecting piece threaded connection of dabber, the dabber includes first shaft segment and second shaft section, and the diameter of first shaft segment is greater than the second shaft section, and the junction of first shaft segment and second shaft section is equipped with the screw thread, and the left end of second shaft section is equipped with the screw thread, and first fender ring, piston, uide bushing subassembly and second fender ring overlap in proper order and establish on first shaft segment, and stop nut, rebound valve and lock nut are fixed the setting in proper order on the second shaft section.

In the existing piston assembly assembling equipment, for example, an automatic assembling equipment of a piston assembly disclosed in chinese patent publication No. CN109500599A, a turntable is provided on the upper surface of a table; a plurality of piston mounting jigs are fixed on the upper surface of the rotary table; the piston mounting jigs are circumferentially distributed on the turntable; the workbench is provided with a press riveting device, a material taking manipulator, a rivet jig and a directional feeding mechanism group; the workbench is provided with a press riveting device, a material taking manipulator, a rivet jig and a directional feeding mechanism group which are sequentially arranged along the circumferential direction of the turntable; the directional feeding mechanism group consists of a plurality of directional feeding mechanisms which are arranged along the circumferential direction of the rotating disc. The equipment realizes the automatic assembly of the piston assembly, greatly improves the assembly efficiency, reduces the labor intensity of the assembly and ensures that the assembly quality is more stable.

However, the above-described piston assembly assembling apparatus has the following problems:

1. the front and back detection is needed before the assembly of the baffle ring, if the back surface is upward, the overturning is needed, but the position of the baffle ring is changed after the overturning, so that the baffle ring can not smoothly return to the original position;

2. the connecting piece positioning accuracy is poor, so that subsequent repeated assembly is needed when other parts are assembled, and the production efficiency is reduced.

Disclosure of Invention

In order to solve the problems of the existing piston assembly assembling equipment, the invention aims to provide a baffle ring feeding mechanism for piston assembly assembling, which is connected between a rotary cylinder and an overturning shell through a U-shaped overturning connecting plate, so that the positions of a baffle ring before and after overturning are unchanged, and a first overturning push block can push the baffle ring back to a material pulling belt to continue feeding.

For the purpose of the invention, the following technical scheme is adopted: a baffle ring feeding mechanism for piston assembly comprises a baffle ring pulling assembly, a positive and negative identification assembly, a turnover assembly and a baffle ring feeding assembly; the forward and reverse recognition assembly, the overturning assembly and the baffle ring feeding assembly are sequentially arranged on the baffle ring pulling assembly along the conveying direction; the baffle ring pulling assembly is used for conveying the baffle ring; the front and back identification assembly is used for identifying the front and back surfaces of the baffle ring; the overturning assembly is used for overturning the baffle ring with the reverse side facing upwards to form a baffle ring with the reverse side facing upwards; the baffle ring feeding assembly is used for feeding the baffle ring; the overturning assembly comprises an overturning frame, a rotating cylinder, an overturning connecting plate, an overturning shell, a first overturning push block, a first overturning push cylinder, an overturning push guide plate, a second overturning push block and a second overturning push cylinder; the overturning frame is L-shaped, the lower part of the overturning frame is fixedly arranged on the retaining ring pulling assembly, the upper part of the overturning frame is vertically provided with a rotary cylinder, the overturning connecting plate is U-shaped, one end of the overturning connecting plate is fixedly arranged at the output end of the rotary cylinder, the other end of the overturning connecting plate is fixedly provided with an overturning shell, the overturning shell is positioned on the side of the retaining ring pulling assembly, the overturning shell is provided with an overturning hole which transversely penetrates through the overturning shell, and the overturning shell is used for overturning the retaining ring; one end of the turnover shell is connected with a first turnover pushing block, the other end of the turnover shell is connected with a second turnover pushing block, the first turnover pushing block can penetrate through the turnover hole, the first turnover pushing block is installed at the output end of a first turnover pushing cylinder, the first turnover pushing cylinder is transversely and fixedly installed on the turnover frame, the first turnover pushing cylinder penetrates through the rotating cylinder, the end part of the first turnover pushing block penetrates through the turnover pushing guide plate, and the turnover pushing guide plate is fixedly installed on the side surface of the turnover frame; the end face of the second overturning pushing block is larger than the size of the overturning hole, the second overturning pushing block is fixedly installed at the output end of the second overturning pushing cylinder, and the second overturning pushing cylinder is horizontally and fixedly installed on the retaining ring pulling assembly.

Preferably, the retaining ring material pulling assembly comprises a material pulling frame, a material pulling motor and a material pulling belt; the side face of the end part of the material pulling frame is fixedly provided with a material pulling motor, a material pulling belt is positioned on the material pulling frame and is driven by the material pulling motor, and a partition plate used for separating the baffle ring is arranged on the material pulling belt.

Preferably, the positive and negative identification assembly comprises an identification frame, an identification fixed cylinder, an identification fixed clamping jaw, an identification probe and an identification lifting cylinder; the identification frame is fixedly arranged on the side surface of the baffle ring pulling assembly, the upper part of the baffle ring pulling assembly is horizontally provided with an identification fixed cylinder, two output ends of the identification fixed cylinder are both connected with identification fixed clamping jaws, the two identification fixed clamping jaws are oppositely arranged, and the clamping ends of the identification fixed clamping jaws are V-shaped; the identification probe is positioned at the upper parts of the two identification fixed clamping jaws, the upper end of the identification probe is connected to the output end of the identification lifting cylinder, and the identification lifting cylinder is vertically and fixedly installed at the upper part of the identification frame.

Preferably, the retainer ring feeding assembly comprises a retainer ring feeding frame, a transverse transfer cylinder, a transverse transfer sliding plate, a transverse transfer sliding rail, a vertical transfer cylinder, a retainer ring grabbing cylinder and a retainer ring clamping jaw; the device comprises a baffle ring loading frame, a transverse shifting air cylinder, a transverse shifting sliding plate, a transverse shifting sliding rail and a transverse shifting sliding rail, wherein the baffle ring loading frame is fixedly arranged at the discharge end of a baffle ring pulling assembly; a vertical shifting air cylinder is vertically and fixedly installed on the transverse shifting sliding plate, a baffle ring grabbing air cylinder is fixedly installed at the output end of the vertical shifting air cylinder, two output ends of the baffle ring grabbing air cylinder are both connected with baffle ring clamping jaws, and the two baffle ring clamping jaws are installed in opposite directions; the clamping end of the retaining ring clamping jaw is V-shaped.

A baffle ring feeding device for piston assembly comprises a caching mechanism, a transfer mechanism and a baffle ring feeding mechanism; the discharge end of the buffer mechanism is connected with the feed end of the transfer mechanism, the conveying direction of the buffer mechanism is vertical to that of the transfer mechanism, and the discharge end of the transfer mechanism is connected with the feed end of the baffle ring feeding mechanism; the baffle ring feeding mechanism adopts the baffle ring feeding mechanism for piston assembly assembling; the buffer mechanism comprises a buffer belt component and a blocking component; during will keeping off the ring and carry transit mechanism through buffer memory belt subassembly, block that the subassembly is located buffer memory belt subassembly's discharge end, block that the subassembly is used for keeping off the ring and block, make the fender ring of transversely placing get into transit mechanism.

Preferably, the transfer mechanism comprises a transfer belt assembly and a pushing assembly; the feed end of the transfer belt component is connected with the discharge end of the buffer belt component, and the conveying direction of the transfer belt component is vertical to that of the buffer belt component; the pushing assembly is positioned at the discharge end of the buffer belt assembly and used for pushing the baffle ring from the transfer belt assembly to the baffle ring feeding mechanism; the pushing assembly comprises a pushing cylinder and a pushing plate; the propelling movement cylinder horizontal installation, propelling movement plate is connected to the output of propelling movement cylinder, and the direction of action of propelling movement cylinder is perpendicular with the direction of delivery of transfer belt subassembly.

The piston assembly assembling equipment comprises a turntable assembling device and a baffle ring feeding device; a baffle ring feeding station is arranged on the turntable assembling device, and the position of the baffle ring feeding device is matched with the baffle ring feeding station; a connecting piece and a mandrel are vertically positioned on the turntable assembly device; the baffle ring feeding device is used for feeding the baffle ring onto the mandrel; the baffle ring feeding device adopts the baffle ring feeding device for assembling the piston assembly.

In conclusion, the technical effects of the invention are as follows:

1. when the retaining ring is fed, the U-shaped turnover connecting plate is connected between the rotary cylinder and the turnover shell, so that the position of the retaining ring before and after turnover is unchanged, and the retaining ring can be pushed back to the material pulling belt by the first turnover pushing block. The storage capacity of the baffle ring is improved through the buffer mechanism, and the baffle ring which is transversely placed is only conveyed to the transfer mechanism through the blocking assembly, so that the subsequent feeding is facilitated; pushing components in the transfer mechanism push the baffle rings to the material pulling belt one by one, and each baffle ring is separated by a partition plate on the material pulling belt, so that the ordering of feeding is further ensured, and the detection of the baffle rings by the positive and negative identification components is facilitated; the accuracy of retaining ring material loading subassembly when snatching has been improved. The positive and negative recognition assembly and the overturning assembly enable all the baffle rings to meet the feeding condition, and the feeding continuity is guaranteed.

2. When the connecting piece is positioned, the positioning groove on the jig can effectively complete the fixation of the connecting piece, the shape of the second positioning part at the lower part of the positioning groove is matched with that of the lower part of the connecting piece, the straight groove at the innermost side of the second positioning part can be attached to the connecting piece only by pushing the connecting piece to the innermost end of the second positioning part, the positioning effect is improved, the arc at the lower part of the connecting piece is matched with the arc at the lower part of the second positioning part, and the lower part of the connecting piece is further positioned; the upper portion of connecting piece is supplementary spacing through first location portion, guarantees the holistic positioning accuracy of connecting piece.

Drawings

Fig. 1 is a schematic structural view of the piston assembly assembling apparatus of the present invention.

Fig. 2 is a schematic structural view of the piston assembly.

Fig. 3 is a schematic structural diagram of the turntable assembly apparatus.

Fig. 4 is an exploded view of the jig mechanism.

Fig. 5 is a front view of the jig mechanism.

Fig. 6 is a cross-sectional view taken at a-a in fig. 5.

Fig. 7 is a schematic structural diagram of a baffle ring feeding device.

Fig. 8 is an exploded view of the first retainer ring loading mechanism.

Fig. 9 is an exploded view of the flip assembly.

Detailed Description

As shown in fig. 1, a piston assembly assembling apparatus includes a turntable assembly device 1 and a retainer ring loading device 3. The turntable assembling device 1 is provided with a first baffle ring feeding station, and the position of the baffle ring feeding device 3 is matched with the first baffle ring feeding station. The connecting piece and the mandrel are vertically positioned on the turntable assembling device 1, and the baffle ring feeding device 3 is used for feeding the first baffle ring onto the mandrel. The retainer ring feeding device 3 adopts a retainer ring feeding device assembled by a piston assembly.

As shown in fig. 2, the piston assembly 10 includes a connecting member 101, a mandrel 102, a first retainer 103, a piston 104, a guide sleeve assembly 105, a second retainer 106, a limit nut 107, a reset valve 108, and a lock nut 109; the right end of the connecting piece 101 is arc-shaped and is provided with a through hole, the right end of the mandrel 102 is in threaded connection with the connecting piece 101, the mandrel 102 comprises a first shaft section 1021 and a second shaft section 1022, the diameter of the first shaft section 1021 is larger than that of the second shaft section 1022, a thread is arranged at the joint of the first shaft section 1021 and the second shaft section 1022, a thread is arranged at the left end of the second shaft section 1022, the first baffle ring 103, the piston 104, the guide sleeve assembly 105 and the second baffle ring 106 are sequentially sleeved on the first shaft section 1021, and the limit nut 107, the recovery valve 108 and the locking nut 109 are sequentially and fixedly arranged on the second shaft section 1022. The connecting member 101 and the mandrel 102 are pre-tightened manually before being tightened, the pre-tightened connecting member is placed in the turntable assembly device 1 for positioning, and then the connecting member 101 and the mandrel 102 are tightened by the mandrel tightening device 2 by using a fixed torque force.

As shown in fig. 3, the turntable assembling device 1 includes an assembling frame mechanism 11 and a jig mechanism 12. Jig mechanisms 12 for fixing the connecting pieces vertically are slidably mounted on the assembling frame mechanisms 11, and the jig mechanisms 12 circulate on the assembling frame mechanisms 11 continuously and annularly. The mounting bracket mechanism 11 includes a profile support bracket 111, a sprocket 112, a chain 113, and an endless track 114. Both ends of the section bar support frame 111 are fixedly provided with chain wheels 112, and the chain wheels 112 are connected through chains 113. The endless track 114 is located outside the chain 113. The rear part of the jig base plate 121 is provided with a fixing block 1212, and the fixing block 1212 is fixedly connected to the chain 113. The front part of the jig base plate 121 is provided with a roller 1211, and the roller 1211 presses on the annular rail 114.

As shown in fig. 4, 5 and 6, the jig mechanism 12 includes a jig base plate 121, a shaft sleeve 122, a rotation shaft 123 and a jig 124. The center of the jig base plate 121 is fixedly provided with a shaft sleeve 122, the shaft sleeve 122 is rotatably provided with a rotating shaft 123, the bottom of the rotating shaft 123 is provided with a tightening groove 1231 for positioning during tightening, and the tightening groove 1231 is matched with the tightening bump 2231. The jig 124 is fixedly installed on the top of the rotating shaft 123. The jig 124 is provided with a positioning groove 1241 for positioning the connector, the upper portion of the positioning groove 1241 is a first positioning portion 12411, on the vertical plane, the first positioning portion 12411 is a straight groove, on the horizontal plane, the first positioning portion 12411 is arc-shaped, and the first positioning portion 12411 is used for positioning the upper portion of the connector. The lower part of the positioning groove 1241 is a second positioning portion 12412, the second positioning portion 12412 is arc-shaped on a vertical plane, and the second positioning portion 12412 is a straight groove on a horizontal plane. The rear portion of the second positioning portion 12412 is provided with a material pushing hole 12413 for pushing the connector out of the positioning slot 1241.

The jig mechanism 12 solves the problems that the positioning accuracy of the connecting piece is poor, so that the connecting piece needs to be assembled repeatedly in the subsequent process of assembling other parts, and the production efficiency is reduced, the jig mechanism 12 has the advantages that the positioning groove 1241 on the jig 124 can effectively complete the fixation of the connecting piece, the shape of the second positioning part 12412 at the lower part of the positioning groove 1241 is matched with the lower part of the connecting piece, the connecting piece is pushed to the innermost end of the second positioning part 12412, the straight groove at the innermost side of the second positioning part 12412 can be attached to the connecting piece, the positioning effect is improved, the arc at the lower part of the connecting piece is matched with the arc at the lower part of the second positioning part 12412; the upper part of the connecting piece is assisted to limit through the first positioning part 12411, so that the overall positioning precision of the connecting piece is ensured.

As shown in fig. 1 and 7, a retainer ring feeding apparatus for a piston assembly includes a buffer mechanism 31, a transfer mechanism 32, and a first retainer ring feeding mechanism 33. The discharge end of the buffer mechanism 31 is connected with the feed end of the transfer mechanism 32, the conveying direction of the buffer mechanism 31 is perpendicular to the conveying direction of the transfer mechanism 32, and the discharge end of the transfer mechanism 32 is connected with the feed end of the first baffle ring feeding mechanism 33. The first retainer ring feeding mechanism 33 is a first retainer ring feeding mechanism for piston assembly assembling. The buffer mechanism 31 includes a buffer belt assembly 311 and a blocking assembly 312. The first baffle ring is conveyed to the transfer mechanism 32 through the buffer belt assembly 311, the blocking assembly 312 is located at the discharge end of the buffer belt assembly 311, and the blocking assembly 312 is used for blocking the first baffle ring so that the first baffle ring which is transversely placed enters the transfer mechanism 32. The transfer mechanism 32 includes a transfer belt assembly 321 and a pushing assembly 322. The feed end of the transfer belt assembly 321 is connected with the discharge end of the buffer belt assembly 311, and the conveying direction of the transfer belt assembly 321 is perpendicular to the buffer belt assembly 311. The pushing component 322 is located at the discharging end of the buffer belt component 311, and the pushing component 322 is used for pushing the first baffle ring from the intermediate rotating belt component 321 to the first baffle ring feeding mechanism 33. The pushing assembly 322 includes a pushing cylinder 3221 and a pushing plate 3222. The pushing cylinder 3221 is horizontally installed, an output end of the pushing cylinder 3221 is connected to the pushing plate 3222, and an action direction of the pushing cylinder 3221 is perpendicular to a conveying direction of the transfer belt assembly 321.

As shown in fig. 8, a first retainer ring feeding mechanism for piston assembly includes a first retainer ring drawing assembly 331, a forward/reverse recognition assembly 332, a turning assembly 333, and a first retainer ring feeding assembly 334. The forward and reverse recognition component 332, the turnover component 333 and the first retainer ring feeding component 334 are sequentially arranged on the first retainer ring pulling component 331 along the conveying direction. The first retainer ring drawing assembly 331 is used for conveying the first retainer ring. The front-back identifying component 332 is used to identify the front and back sides of the first baffle ring. The flipping unit 333 is used to flip the first retainer ring with its reverse side facing up to its front side. The first retainer feeding assembly 334 is used for feeding the first retainer. The first ring pulling component 331 includes a pulling frame 3311, a pulling motor 3312, and a pulling belt 3313. The side surface of the end part of the material pulling frame 3311 is fixedly provided with a material pulling motor 3312, a material pulling belt 3313 is positioned on the material pulling frame 3311, the material pulling belt 3313 is driven by the material pulling motor 3312, and the material pulling belt 3313 is provided with a clapboard 33131 for separating the first baffle ring.

When the first baffle ring pulling assembly 331 is actuated, the first baffle ring is fed to a position between two adjacent baffles 33131, the pulling motor 3312 drives the pulling belt 3313 to move, so that each moving of the first baffle ring stops, and a cell is a distance between two adjacent baffles 33131.

The positive and negative recognition component 332 comprises a recognition frame 3321, a recognition fixed cylinder 3322, a recognition fixed clamping jaw 3323, a recognition probe 3324 and a recognition lifting cylinder 3325. Discernment frame 3321 fixed mounting is in the side that first fender ring draws material subassembly 331, and first fender ring draws the fixed cylinder 3322 of upper portion horizontal installation discernment of material subassembly 331, discernment fixed clamping jaw 3323 is all connected to two output terminals of discernment fixed cylinder 3322, and two discernment fixed clamping jaws 3323 are installed in opposite directions, and the exposed core of discernment fixed clamping jaw 3323 is the V-arrangement. The discernment probe 3324 is located the upper portion of two discernment fixed clamping jaw 3323, and the upper end of discernment probe 3324 is connected on the output end of discernment lift cylinder 3325, and the vertical fixed mounting in discernment frame 3321 upper portion of discernment lift cylinder 3325.

When the positive and negative recognition component 332 acts, the recognition fixing cylinder 3322 drives the two recognition fixing clamping jaws 3323 to be close to each other, so that the recognition fixing clamping jaws 3323 clamp the first baffle ring, the recognition lifting cylinder 3325 drives the recognition probe 3324 to move downwards, the recognition probe 3324 detects the first baffle ring, if the first baffle ring faces upwards, the overturning component 333 does not respond, and if the first baffle ring faces upwards, the overturning component 333 is started.

As shown in fig. 9, the turning assembly 333 includes a turning frame 3331, a rotating cylinder 3332, a turning connecting plate 3333, a turning housing 3334, a first turning pushing block 3335, a first turning pushing cylinder 3336, a turning pushing guide plate 3337, a second turning pushing block 3338, and a second turning pushing cylinder 3339. Roll-over stand 3331 is L shape, roll-over stand 3331's lower part fixed mounting is on first fender ring draws material subassembly 331, the vertical installation revolving cylinder 3332 in upper portion of roll-over stand 3331, upset connecting plate 3333 is the U-shaped, the one end fixed mounting of upset connecting plate 3333 is at revolving cylinder 3332's output, the other end fixed mounting upset casing 3334 of upset connecting plate 3333, upset casing 3334 is located first fender ring and draws material subassembly 331's side, be equipped with the upset hole 33341 that transversely runs through on the upset casing 3334, upset casing 3334 is used for the first fender ring of upset. First upset ejector pad 3335 is linked up to upset casing 3334's one end, upset casing 3334's the other end links up second upset ejector pad 3338, upset hole 33341 can be passed to first upset ejector pad 3335, the output at first upset propelling movement cylinder 3336 is installed to first upset ejector pad 3335, the horizontal fixed mounting of first upset propelling movement cylinder 3336 is on roll-over stand 3331, and first upset propelling movement cylinder 3336 passes revolving cylinder 3332, the tip of first upset ejector pad 3335 is worn to establish on upset propelling movement deflector 3337, upset propelling movement deflector 3337 fixed mounting is in roll-over stand 3331's side. The terminal surface of second upset ejector pad 3338 is greater than the size of upset hole 33341, and second upset ejector pad 3338 fixed mounting is at the output of second upset propelling movement cylinder 3339, and the horizontal fixed mounting of second upset propelling movement cylinder 3339 is on first fender ring draws material subassembly 331.

When the turning assembly 333 is actuated, the second turning pushing cylinder 3339 drives the second turning pushing block 3338 to move, the second turning pushing block 3338 pushes the first retaining ring into the turning hole 33341 of the turning housing 3334, and the second turning pushing block 3338 is retained in the turning hole 33341, then the first flipping pushing cylinder 3336 pushes the first flipping pushing block 3335 to move towards the flipping housing 3334, so that the first flipping pushing block 3335 blocks the other side of the flipping hole 33341, then the rotating cylinder 3332 drives the turning connection plate 3333 to rotate, the turning connection plate 3333 drives the turning housing 3334 to turn over, so that the first retainer ring turns over to face upwards, and the position of the turning housing 3334 is the same as that before turning, then the second upset propelling movement cylinder 3339 resets, and first upset propelling movement cylinder 3336 promotes first upset ejector pad 3335 and moves left, and first upset ejector pad 3335 pushes away first fender ring from upset hole 33341 to pulling on the material belt 3313, then first upset propelling movement cylinder 3336 resets.

The upset subassembly 333 has solved the upset after first fender ring position change, leads to first fender ring to go back to the problem of original position smoothly, and the benefit of upset subassembly 333 is connected between revolving cylinder 3332 and upset casing 3334 through the upset connecting plate 3333 of U-shaped for the position of first fender ring before the upset is unchangeable, thereby first upset ejector pad 3335 can push back first fender ring on pulling material belt 3313.

The first retainer ring feeding assembly 334 comprises a first retainer ring feeding frame 3341, a transverse transfer cylinder 3342, a transverse transfer sliding plate 3343, a transverse transfer sliding rail 3344, a vertical transfer cylinder 3345, a first retainer ring grabbing cylinder 3346 and a first retainer ring clamping jaw 3347. The first retaining ring feeding frame 3341 is fixedly arranged at the discharge end of the first retaining ring pulling assembly 331, the transverse transferring cylinder 3342 is horizontally arranged in the middle of the first retaining ring feeding frame 3341, the transverse transferring sliding plate 3343 is arranged at the output end of the transverse transferring cylinder 3342, the transverse transferring sliding plate 3343 is slidably arranged on the transverse transferring sliding rail 3344, and the transverse transferring sliding rail 3344 is fixedly arranged at the upper part of the first retaining ring feeding frame 3341. Transversely move and carry vertical fixed mounting on the slide 3343 and vertically move and carry cylinder 3345, vertically move and carry the first ring of keeping off of output fixed mounting that cylinder 3345 snatchs cylinder 3346, first ring clamping jaw 3347 is kept off all to two outputs that the cylinder 3346 was snatched to the first ring that keeps off, and two first ring clamping jaws 3347 are installed in opposite directions. The clamping end of first retainer jaw 3347 is V-shaped.

When the first ring feeding assembly 334 acts, the first ring grabbing cylinder 3346 drives the two first ring blocking clamping jaws 3347 to approach each other, the two first ring blocking clamping jaws 3347 clamp the side surface of the first ring, then the vertical shifting cylinder 3345 lifts the two first ring blocking clamping jaws 3347 upwards, and the transverse shifting cylinder 3342 drives the transverse shifting sliding plate 3343 to slide along the transverse shifting sliding rail 3344, so that the first ring blocking feeding assembly is enabled to feed.

The baffle ring feeding device 3 solves the problem of low feeding continuity of the first baffle ring, and the baffle ring feeding device 3 has the advantages that the storage capacity of the first baffle ring is improved through the first buffer mechanism 31, and only the transversely placed first baffle ring is conveyed to the first transfer mechanism 32 through the first baffle assembly 312, so that subsequent feeding is facilitated; the first pushing component 322 in the first transfer mechanism 32 pushes the first baffle rings to the material pulling belt 3313 one by one, and each first baffle ring is separated by the partition board 33131 on the material pulling belt 3313, so as to further ensure the ordering of feeding, and be beneficial to the positive and negative recognition component 332 to detect the first baffle rings; the accuracy of first retainer ring feeding assembly 334 in grabbing is improved. The positive and negative identification component 332 and the overturning component 333 enable all the first baffle rings to meet the feeding condition, and ensure the feeding continuity.

Claims (7)

1. A baffle ring feeding mechanism for piston assembly is characterized by comprising a baffle ring pulling assembly (331), a positive and negative identification assembly (332), a turnover assembly (333) and a baffle ring feeding assembly (334); the positive and negative recognition component (332), the turnover component (333) and the baffle ring feeding component (334) are sequentially arranged on the baffle ring pulling component (331) along the conveying direction; the baffle ring pulling assembly (331) is used for conveying the baffle ring; the front and back identification component (332) is used for identifying the front and back of the baffle ring; the overturning component (333) is used for overturning the baffle ring with the reverse side facing upwards to the front side facing upwards; the baffle ring feeding assembly (334) is used for feeding baffle rings; the overturning assembly (333) comprises an overturning frame (3331), a rotating cylinder (3332), an overturning connecting plate (3333), an overturning shell (3334), a first overturning pushing block (3335), a first overturning pushing cylinder (3336), an overturning pushing guide plate (3337), a second overturning pushing block (3338) and a second overturning pushing cylinder (3339); roll-over stand (3331) are L shape, the lower part fixed mounting of roll-over stand (3331) is on keeping off ring and drawing material subassembly (331), the vertical installation revolving cylinder (3332) in upper portion of roll-over stand (3331), upset connecting plate (3333) are the U-shaped, the one end fixed mounting of upset connecting plate (3333) is at the output of revolving cylinder (3332), the other end fixed mounting upset casing (3334) of upset connecting plate (3333), upset casing (3334) are located keeps off the side that ring draws material subassembly (331), be equipped with horizontal upset hole (33341) that run through on upset casing (3334), upset casing (3334) are used for overturning the fender ring; one end of the turnover shell (3334) is connected with a first turnover push block (3335), the other end of the turnover shell (3334) is connected with a second turnover push block (3338), the first turnover push block (3335) can penetrate through a turnover hole (33341), the first turnover push block (3335) is installed at the output end of a first turnover push cylinder (3336), the first turnover push cylinder (3336) is transversely and fixedly installed on the turnover frame (3331), the first turnover push cylinder (3336) penetrates through a rotating cylinder (3332), the end part of the first turnover push block (3335) penetrates through a turnover push guide plate (3337), and the turnover push guide plate (3337) is fixedly installed on the side surface of the turnover frame (3331); the end face of the second overturning pushing block (3338) is larger than the overturning hole (33341), the second overturning pushing block (3338) is fixedly installed at the output end of the second overturning pushing cylinder (3339), and the second overturning pushing cylinder (3339) is horizontally and fixedly installed on the retaining ring pulling component (331).

2. The check ring feeding mechanism for piston assembly as claimed in claim 1, wherein the check ring pulling member (331) comprises a pulling frame (3311), a pulling motor (3312) and a pulling belt (3313); a material pulling motor (3312) is fixedly arranged on the side face of the end part of the material pulling frame (3311), a material pulling belt (3313) is positioned on the material pulling frame (3311), the material pulling belt (3313) is driven by the material pulling motor (3312), and a partition plate (33131) used for separating the baffle ring is arranged on the material pulling belt (3313).

3. The check ring feeding mechanism for piston assembly according to claim 1, wherein the positive and negative recognition assembly (332) comprises a recognition frame (3321), a recognition fixing cylinder (3322), a recognition fixing clamping jaw (3323), a recognition probe (3324) and a recognition lifting cylinder (3325); the identification frame (3321) is fixedly arranged on the side face of the baffle ring pulling assembly (331), the identification fixing cylinder (3322) is horizontally arranged at the upper part of the baffle ring pulling assembly (331), two output ends of the identification fixing cylinder (3322) are both connected with the identification fixing clamping jaw (3323), the two identification fixing clamping jaws (3323) are oppositely arranged, and the clamping end of the identification fixing clamping jaw (3323) is V-shaped; discernment probe (3324) are located the upper portion of two fixed clamping jaw of discernment (3323), and the upper end of discernment probe (3324) is connected on the output end of discernment lift cylinder (3325), and the vertical fixed mounting in discernment frame (3321) upper portion of discernment lift cylinder (3325).

4. The retainer ring feeding mechanism for piston assembly as claimed in claim 1, wherein the retainer ring feeding assembly (334) comprises a retainer ring feeding frame (3341), a lateral transfer cylinder (3342), a lateral transfer slide plate (3343), a lateral transfer slide rail (3344), a vertical transfer cylinder (3345), a retainer ring gripping cylinder (3346) and a retainer ring clamping jaw (3347); the baffle ring feeding frame (3341) is fixedly arranged at the discharge end of the baffle ring pulling assembly (331), the transverse transfer cylinder (3342) is horizontally arranged in the middle of the baffle ring feeding frame (3341), the transverse transfer sliding plate (3343) is arranged at the output end of the transverse transfer cylinder (3342), the transverse transfer sliding plate (3343) is slidably arranged on the transverse transfer sliding rail (3344), and the transverse transfer sliding rail (3344) is fixedly arranged at the upper part of the baffle ring feeding frame (3341); a vertical shifting cylinder (3345) is vertically and fixedly installed on the transverse shifting sliding plate (3343), a retaining ring grabbing cylinder (3346) is fixedly installed at the output end of the vertical shifting cylinder (3345), two output ends of the retaining ring grabbing cylinder (3346) are both connected with retaining ring clamping jaws (3347), and the two retaining ring clamping jaws (3347) are installed oppositely; the clamping end of the retainer clamping jaw (3347) is V-shaped.

5. A baffle ring feeding device for piston assembly is characterized by comprising a buffer mechanism (31), a transfer mechanism (32) and a baffle ring feeding mechanism (33); the discharge end of the buffer mechanism (31) is connected with the feed end of the transfer mechanism (32), the conveying direction of the buffer mechanism (31) is vertical to the conveying direction of the transfer mechanism (32), and the discharge end of the transfer mechanism (32) is connected with the feed end of the baffle ring feeding mechanism (33); the retainer ring feeding mechanism (33) is as defined in claim 1; the buffer mechanism (31) comprises a buffer belt component (311) and a blocking component (312); the baffle ring is conveyed to the transfer mechanism (32) through the buffer belt component (311), the blocking component (312) is located at the discharge end of the buffer belt component (311), and the blocking component (312) is used for blocking the baffle ring, so that the transversely placed baffle ring enters the transfer mechanism (32).

6. The retainer ring feeding device for piston assembly as claimed in claim 5, wherein the transfer mechanism (32) comprises a transfer belt assembly (321) and a pushing assembly (322); the feed end of the transfer belt component (321) is connected with the discharge end of the buffer belt component (311), and the conveying direction of the transfer belt component (321) is vertical to the buffer belt component (311); the pushing assembly (322) is positioned at the discharging end of the buffer belt assembly (311), and the pushing assembly (322) is used for pushing the baffle ring from the middle rotating belt assembly (321) to the baffle ring feeding mechanism (33); the pushing assembly (322) comprises a pushing cylinder (3221) and a pushing plate (3222); the pushing cylinder (3221) is horizontally arranged, the output end of the pushing cylinder (3221) is connected with the pushing plate (3222), and the action direction of the pushing cylinder (3221) is perpendicular to the conveying direction of the transfer belt assembly (321).

7. The piston assembly assembling equipment is characterized by comprising a turntable assembling device (1) and a baffle ring feeding device (3); a baffle ring feeding station is arranged on the turntable assembling device (1), and the position of the baffle ring feeding device (3) is matched with the baffle ring feeding station; a connecting piece and a mandrel are vertically positioned on the turntable assembling device (1); the baffle ring feeding device (3) is used for feeding the baffle ring onto the mandrel; retainer ring loading device (3) according to claim 5.

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