Automatic needle roller gasket assembling machine

By designing an automatic assembly machine for pin rolling gaskets, the automatic assembly of pin rolling and pin rolling gaskets is achieved by using vibration loading, limiting, lubrication and steering mechanisms, the problems of high labor intensity and low production efficiency in the prior art are solved, and assembly efficiency is improved.

CN120269314AActive Publication Date: 2025-07-08NANJING BEARING

Patent Information

Application Number
CN202510767541.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-10
Publication Date
2025-07-08
Estimated Expiration
2045-06-10

AI Technical Summary

Technical Problem

The existing pin roller gasket assembly process has high labor intensity and low production efficiency, which requires manual operation, resulting in operator fatigue and low production efficiency.

Method used

An automatic assembly machine for pin roller gaskets is designed, including a vibrating loading tray, assembly mechanism, positioning template, lubrication assembly and steering mechanism, and the assembly of pin rollers and pin roller gaskets is realized through automated means, and the automatic assembly of pin rollers is realized by using vibrating loading, limiting, lubrication and steering mechanisms.

Benefits of technology

It reduces the working intensity of the operator, improves the working efficiency of needle roller assembly, realizes the automatic assembly of needle roller and needle roller gaskets, and reduces manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an automatic needle roller gasket assembling machine, and relates to the technical field of metal combination machining, the automatic needle roller gasket assembling machine comprises a base, a vibration feeding disc and an assembling mechanism are fixedly arranged on the upper surface of the base, and a feeding guide pipe is arranged between the vibration feeding disc and the assembling mechanism; the assembling mechanism comprises four guide stand columns and a telescopic air cylinder fixedly installed on the upper surface of the base, and the telescopic end of the telescopic air cylinder is fixedly connected with a movable bottom plate. By arranging the vibration feeding disc with a three-channel structure, roller pins can be conveyed into three feeding bottom boxes of the assembling mechanism through three feeding guide pipes, a positioning template and a movable bottom plate are arranged, roller pin gaskets are limited through gasket limiting grooves in the surface of the positioning template, and therefore the assembling precision is improved. And then the three feeding push blocks on the surface of the movable bottom plate are driven by the telescopic air cylinder to push the three roller pins upwards into the roller pin gaskets in the gasket limiting grooves, automatic assembly between the roller pins and the roller pin gaskets is achieved, and the working intensity of operators is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of combined metal processing, and particularly to an automatic assembling machine for needle roller gaskets. Background Technique

[0002] A needle roller bearing is a roller bearing with cylindrical rollers. The rollers are thin and long relative to their diameter. Such rollers are called needle rollers. Despite having a small cross-section, the bearing still has a high load-bearing capacity. The needle roller bearing is equipped with thin and long rollers, so the radial structure is compact. When the inner diameter size and load capacity are the same as those of other types of bearings, the outer diameter is the smallest, and it is particularly suitable for support structures where the radial installation size is limited.

[0003] When the existing assembly workshop performs the assembly operation of needle roller gaskets and needle rollers, the operators need to manually press the needle rollers into the gaskets one by one. Each person can install at most 1000 pieces per day, and after a large number of manual assemblies, it will cause finger pain, and the installation staff needs to rotate. This not only has a large labor intensity but also has low production efficiency. Therefore, it is necessary to design a device or apparatus for the assembly workshop to complete the automatic feeding and assembly of needle rollers and solve the problems existing in the prior art. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic assembling machine for needle roller gaskets to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An automatic assembling machine for needle roller gaskets, including a base, on the upper surface of which a vibrating feeding tray and an assembling mechanism are fixedly arranged, and a feeding conduit is arranged between the vibrating feeding tray and the assembling mechanism; The assembling mechanism includes four guiding columns and a telescopic cylinder fixedly installed on the upper surface of the base. The telescopic end of the telescopic cylinder is fixedly connected with a movable bottom plate. The surfaces of the four guiding columns are fixedly connected with a positioning template. The surface of the positioning template is provided with a gasket limiting groove, and three needle roller assembly holes are opened on the inner bottom wall of the gasket limiting groove. The lower surface of the positioning template is fixedly connected with three feeding bottom boxes, and a feeding square pipe is fixedly embedded on the back of the feeding bottom box. One end of the feeding square pipe away from the feeding bottom box is fixedly connected with the output end of the feeding conduit; The upper surface of the movable bottom plate is fixedly connected with three feeding push blocks, and the positions of the feeding push blocks correspond to the feeding bottom boxes. The upper surface of the positioning template is fixedly connected with two limiting slide bars, and a limiting pressing plate is slidably sleeved on the surfaces of the two limiting slide bars, and a turning mechanism is arranged on the surface of the limiting pressing plate.

[0006] Preferably, the size of the feeding push block matches that of the feeding bottom box, and the feeding push block is slidably connected to the inner wall of the feeding bottom box. The feeding bottom box is located directly below the needle roller assembly hole, and the size of the feeding bottom box matches that of the needle roller assembly hole. The positioning template is located directly above the movable bottom plate, and the gasket limiting groove is of a semi-circular structure.

[0007] Preferably, a lubrication assembly is provided on the lower surface of the positioning template. The lubrication assembly includes an oil liquid box fixedly connected to the lower surface of the positioning template. Three oil liquid conduits are fixedly installed on the surface of the oil liquid box. The ends of the three oil liquid conduits away from the oil liquid box are fixedly provided with atomizing nozzles. The end of the atomizing nozzle away from the oil liquid conduit extends into the interior of the feeding bottom box. A piston air cylinder is provided below the oil liquid box. A piston push rod is slidably arranged inside the piston air cylinder. The bottom end of the piston push rod is fixedly connected to the surface of the movable bottom plate.

[0008] Preferably, an exhaust pipe is fixedly embedded at the bottom end of the piston air cylinder. The output end of the exhaust pipe extends into the interior of the oil liquid box, and a one-way exhaust valve is fixedly arranged on the surface of the exhaust pipe. An intake pipe is fixedly embedded on the surface of the piston air cylinder. A one-way intake valve is fixedly connected to the surface of the intake pipe. The liquid outlet end of the atomizing nozzle corresponds to the position of the needle roller assembly hole.

[0009] Preferably, the steering mechanism includes a protective shell fixedly connected to the upper surface of the limit pressing plate. A steering motor is fixedly arranged inside the protective shell. The output shaft of the steering motor is fixedly connected to a worm. A steering shaft rod is rotatably arranged on the surface of the limit pressing plate. The top end of the steering shaft rod extends into the interior of the protective shell, and a worm gear is fixedly connected to the top of the steering shaft rod. The worm meshes with the worm gear. The bottom end of the steering shaft rod extends below the limit pressing plate and is fixedly connected to a steering wheel. A clamping assembly is arranged on the surface of the steering wheel.

[0010] Preferably, the clamping assembly includes four strip-shaped mounting holes opened on the surface of the steering wheel. A guiding slide rod is fixedly connected to the inner wall of the strip-shaped mounting hole, and a clamping plate is slidably arranged on the inner wall of the strip-shaped mounting hole. A sliding through hole matching the guiding slide rod is opened on the surface of the clamping plate. The clamping plate is slidably connected to the surface of the guiding slide rod through the sliding through hole. A rubber anti-slip block is fixedly connected to the surface of the clamping plate. A number of strip-shaped grooves are opened on the surface of the rubber anti-slip block. The four clamping plates are symmetrically distributed in a rectangular array on the lower surface of the steering wheel.

[0011] Preferably, the position of the limiting pressing plate corresponds to the gasket limiting groove, and the limiting pressing plate is located directly above the gasket limiting groove. The limiting pressing plate is made of transparent acrylic material. A lifting top block is fixedly arranged on the upper surface of the limiting pressing plate. The top ends of the two limiting sliding rods are fixedly connected with a supporting top plate. A microswitch is fixedly connected to the lower surface of the supporting top plate. The position of the microswitch corresponds to that of the lifting top block, and the lifting top block is located directly below the microswitch.

[0012] Preferably, a driving box is fixedly arranged on the upper surface of the supporting top plate. A driving motor is fixedly installed outside the driving box. The rotating shaft of the driving motor extends into the driving box and is fixedly connected with a driving bevel gear. A transmission rod is rotatably connected to the inner wall of the driving box. A driven bevel gear is fixedly connected to the middle surface of the transmission rod. The driving bevel gear meshes with the driven bevel gear.

[0013] Preferably, two lifting screw rods are rotatably connected to the upper surface of the positioning template. The top ends of the two lifting screw rods both extend into the driving box, and the top ends of the lifting screw rods are fixedly connected with a first transmission gear. Second transmission gears are fixedly arranged at both ends of the transmission rod. The first transmission gear meshes with the second transmission gear. Movable blocks are fixedly connected to both the left and right sides of the limiting pressing plate. Threaded holes matching the lifting screw rods are formed on the surfaces of the movable blocks. The movable blocks are threadedly connected to the surfaces of the lifting screw rods through the threaded holes.

[0014] Preferably, three feeding channels are arranged inside the vibrating feeding tray. The number of the feeding guide pipes is three, and the feeding ends of the three feeding guide pipes respectively correspond to the discharging ends of the three feeding channels. The feeding guide pipes are bent pipes made of metal. A compression spring is sleeved on the surface of the guiding upright column. The bottom end of the compression spring is fixedly connected to the lower surface of the movable bottom plate, and the top end of the compression spring is fixedly connected to the lower surface of the positioning template.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: For this kind of automatic assembling machine for needle roller gaskets, by arranging a vibrating feeding tray with a three-channel structure, needles can be conveyed to three feeding bottom boxes of the assembling mechanism through three feeding guide pipes. By arranging a positioning template and a movable bottom plate, the needle roller gaskets can be limited by the gasket limiting grooves on the surface of the positioning template. Then, three feeding push blocks on the surface of the movable bottom plate are driven by a telescopic cylinder to push three needles upwards into the needle roller gaskets in the gasket limiting grooves, realizing the automatic assembly between the needles and the needle roller gaskets, reducing the working intensity of operators, and being beneficial to improving the working efficiency of needle assembly.

[0016] , This kind of automatic assembling machine for needle roller gaskets is equipped with a steering mechanism on the surface of the limit pressing plate. After installing the needle rollers at one end of the needle roller gasket, when the limit pressing plate resets upward, it drives the lifting top block to touch the micro switch at the bottom of the supporting top plate. Then, the micro switch is used to start the steering motor to drive the steering wheel to rotate 90 degrees. Subsequently, the lifting screw rod is used to drive the limit pressing plate to move downward, pressing the needle roller gasket inside the gasket limit groove, thereby realizing the automatic steering and limiting of the needle roller gasket, eliminating the need for manual adjustment of the assembly direction of the needle roller gasket and achieving automated assembly.

[0017] , This kind of automatic assembling machine for needle roller gaskets is provided with a lubrication component at the bottom of the positioning template. During the upward movement of the movable bottom plate, it drives the piston push rod on its surface to move upward inside the piston air cylinder, and the air in the piston air cylinder can be input into the oil liquid box. Thus, the lubricating oil liquid in the oil liquid box is input into the atomizing nozzle in the feeding bottom box through the oil liquid conduit by using air pressure. Then, the atomizing nozzle is used to spray the lubricating liquid on the needle rollers, making the needle rollers move more smoothly and smoothly when entering the needle roller assembly holes, and making it easier for the needle rollers to enter the installation slots on the surface of the needle roller gasket, achieving the function of assisting assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the overall structural schematic diagram of the present invention; Figure 2 is the top view structural schematic diagram of the present invention; Figure 3 is the front view structural schematic diagram of the assembling mechanism of the present invention; Figure 4 is the side view structural schematic diagram of the assembling mechanism of the present invention; Figure 5 is the structural schematic diagram of the lubrication component of the present invention; Figure 6 is the side sectional structural schematic diagram of the positioning template of the present invention; Figure 7 is the internal structural schematic diagram of the driving box of the present invention; Figure 8 is the structural schematic diagram from the bottom view of the steering wheel of the present invention; Figure 9 is the internal structural schematic diagram of the protective shell of the present invention; Figure 10 is Figure 5 the enlarged structural schematic diagram at A in Figure 11 is Figure 8 the enlarged structural schematic diagram at B in In the figure: 1, vibrating feeding tray; 2, assembling mechanism; 3, feeding conduit; 4, steering mechanism; 5, lubrication component; 6, clamping component; 101, feeding channel; 201. Guide upright column; 202. Telescopic cylinder; 203. Movable bottom plate; 204. Positioning template; 205. Spacer limiting groove; 206. Needle roller assembly hole; 207. Loading bottom box; 208. Feeding square pipe; 209. Loading push block; 210. Limiting slide bar; 211. Limiting pressure plate; 212. Supporting top plate; 213. Driving box; 214. Driving motor; 215. Driving bevel gear; 216. Transmission rod; 217. Driven bevel gear; 218. Lifting lead screw; 219. First transmission gear; 220. Second transmission gear; 221. Movable block; 222. Compression spring; 401. Protective shell; 402. Steering motor; 403. Worm; 404. Steering shaft rod; 405. Worm gear; 406. Steering wheel; 407. Lifting top block; 408. Micro switch; 501. Oil liquid box; 502. Oil liquid conduit; 503. Atomizing nozzle; 504. Piston air cylinder; 505. Piston push rod; 506. Exhaust pipe; 507. One-way exhaust valve; 508. Intake pipe; 509. One-way intake valve; 601. Strip-shaped mounting hole; 602. Guide slide bar; 603. Clamping plate; 604. Rubber anti-slip block; 605. Return spring. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1 - 11 , the present invention provides a technical solution: an automatic needle roller spacer assembling machine, including a base, a vibration loading tray 1 is fixedly arranged on the upper surface of the base, and an assembling mechanism 2 is arranged between the vibration loading tray 1 and the assembling mechanism 2. There is a loading conduit 3 between them. The loading conduit 3 is a bent pipe made of metal, and the inner diameter of the loading conduit 3 matches the size of the needle roller.

[0021] Please refer to Figure 1 and Figure 2 , three loading channels 101 are arranged inside the vibration loading tray 1. The number of loading conduits 3 is three, and the feeding ends of the three loading conduits 3 respectively correspond to the discharging ends of the three loading channels 101.

[0022] By arranging three loading channels 101 in the vibration loading tray 1, the needle rollers can be divided into three loading routes during the vibration loading process, so as to sequentially input the needle rollers into the corresponding loading conduits 3.

[0023] Please refer to Figure 2 and Figure 3 , the assembly mechanism 2 includes four guiding columns 201, and a telescopic cylinder 202 fixedly installed on the upper surface of the base. The telescopic end of the telescopic cylinder 202 is fixedly connected with a movable bottom plate 203. A positioning template 204 is fixedly connected to the surface of the four guiding columns 201. The positioning template 204 is located directly above the movable bottom plate 203.

[0024] It should be noted that there is also a foot switch used in conjunction with the telescopic cylinder 202, and the staff can use the foot switch to control the telescopic cylinder 202.

[0025] A compression spring 222 is sleeved on the surface of the guiding column 201. The bottom end of the compression spring 222 is fixedly connected to the lower surface of the movable bottom plate 203, and the top end of the compression spring 222 is fixedly connected to the lower surface of the positioning template 204.

[0026] By setting the compression spring 222, the compression spring 222 can be used to automatically reset the movable bottom plate 203.

[0027] Please refer to Figure 3 , a gasket limiting groove 205 is formed on the surface of the positioning template 204. The gasket limiting groove 205 is of a semi-circular structure. Three needle roller assembly holes 206 are formed on the inner bottom wall of the gasket limiting groove 205. Three feeding bottom boxes 207 are fixedly connected to the lower surface of the positioning template 204. The feeding bottom boxes 207 are located directly below the needle roller assembly holes 206, and the size of the feeding bottom boxes 207 matches that of the needle roller assembly holes 206.

[0028] A feeding square pipe 208 is fixedly embedded on the back of the feeding bottom box 207. One end of the feeding square pipe 208 away from the feeding bottom box 207 is fixedly connected to the output end of the feeding conduit 3.

[0029] The feeding square pipe 208 can be used to input the needle rollers conveyed by the feeding conduit 3 into the corresponding feeding bottom boxes 207 one by one.

[0030] By setting the vibrating feeding tray 1 with a three-channel structure, the needle rollers can be conveyed to the three feeding bottom boxes 207 of the assembly mechanism 2 through the three feeding conduits 3. By setting the positioning template 204 and the movable bottom plate 203, the gasket limiting groove 205 on the surface of the positioning template 204 can be used to limit the needle roller gaskets, and then the three feeding push blocks 209 on the surface of the movable bottom plate 203 driven by the telescopic cylinder 202 can push three needle rollers upward into the needle roller gaskets in the gasket limiting groove 205, realizing the automatic assembly between the needle rollers and the needle roller gaskets, reducing the working intensity of the operators, and being beneficial to improving the working efficiency of the needle roller assembly.

[0031] Please refer to Figure 5 andFigure 10 , a lubrication assembly 5 is provided on the lower surface of the positioning template 204. The lubrication assembly 5 includes an oil box 501 fixedly connected to the lower surface of the positioning template 204. Three oil conduits 502 are fixedly installed on the surface of the oil box 501. One ends of the three oil conduits 502 far from the oil box 501 are fixedly provided with atomizing nozzles 503. One ends of the atomizing nozzles 503 far from the oil conduits 502 extend into the interior of the loading bottom box 207. A piston air cylinder 504 is arranged below the oil box 501. A piston push rod 505 is slidably arranged inside the piston air cylinder 504. The bottom end of the piston push rod 505 is fixedly connected to the surface of the movable bottom plate 203.

[0032] It should be noted that an oil filling hole is provided on the surface of the oil box 501, and a sealing plug is arranged on the inner wall of the oil filling hole. The oil box 501 can be filled with oil by using the oil filling hole.

[0033] Please refer to Figure 6 and Figure 10 , an exhaust pipe 506 is fixedly embedded at the bottom end of the piston air cylinder 504. The output end of the exhaust pipe 506 extends into the interior of the oil box 501, and a one-way exhaust valve 507 is fixedly arranged on the surface of the exhaust pipe 506. An intake pipe 508 is fixedly embedded on the surface of the piston air cylinder 504. A one-way intake valve 509 is fixedly connected to the surface of the intake pipe 508. The liquid outlet end of the atomizing nozzle 503 corresponds to the position of the needle assembly hole 206. The atomizing nozzle 503 can spray lubricating oil on the needles in the loading bottom box 207.

[0034] It is worth noting that by providing the lubrication assembly 5 at the bottom of the positioning template 204, during the upward movement of the movable bottom plate 203, the piston push rod 505 on its surface can be driven to move upward inside the piston air cylinder 504, and the air in the piston air cylinder 504 can be input into the oil box 501. Thus, the lubricating oil in the oil box 501 can be input into the atomizing nozzle 503 in the loading bottom box 207 through the oil conduits 502 by using air pressure. Then, the atomizing nozzle 503 is used to spray lubricating liquid on the needles, making the needles move more smoothly and smoothly when entering the needle assembly hole 206, and making the needles more easily enter the installation card slots on the surface of the needle washer, realizing the role of assisting assembly.

[0035] Please refer to Figure 5 , three loading push blocks 209 are fixedly connected to the upper surface of the movable bottom plate 203. The positions of the loading push blocks 209 correspond to the loading bottom box 207. The sizes of the loading push blocks 209 match the loading bottom box 207, and the loading push blocks 209 are slidably connected to the inner walls of the loading bottom box 207. Two limiting slide rods 210 are fixedly connected to the upper surface of the positioning template 204. A limiting pressure plate 211 is slidably sleeved on the surfaces of the two limiting slide rods 210. A steering mechanism 4 is arranged on the surface of the limiting pressure plate 211.

[0036] The position of the limiting pressure plate 211 corresponds to the gasket limiting groove 205, and the limiting pressure plate 211 is located directly above the gasket limiting groove 205. The limiting pressure plate 211 is made of transparent acrylic material.

[0037] By providing the limiting pressure plate 211 made of transparent material, it is not only convenient for the staff to observe the needle roller gasket, but also during the assembly process, the limiting pressure plate 211 can be used to limit the top of the needle roller gasket to avoid the needle roller gasket from being collided and worn.

[0038] It should be further noted that a lifting top block 407 is fixedly arranged on the upper surface of the limiting pressure plate 211. The top ends of the two limiting slide rods 210 are fixedly connected with a supporting top plate 212. A microswitch 408 is fixedly connected to the lower surface of the supporting top plate 212. The position of the microswitch 408 corresponds to the lifting top block 407, and the lifting top block 407 is located directly below the microswitch 408.

[0039] Please refer to Figure 4 and Figure 7 As shown in, a driving box 213 is fixedly arranged on the upper surface of the supporting top plate 212. A driving motor 214 is fixedly installed on the outside of the driving box 213. The rotating shaft of the driving motor 214 extends into the interior of the driving box 213 and is fixedly connected with a driving bevel gear 215. A transmission rod 216 is rotatably connected to the inner wall of the driving box 213. A driven bevel gear 217 is fixedly connected to the middle surface of the transmission rod 216. The driving bevel gear 215 meshes with the driven bevel gear 217.

[0040] It should be noted that two lifting lead screws 218 are rotatably connected to the upper surface of the positioning template 204. The top ends of the two lifting lead screws 218 both extend into the interior of the driving box 213, and the top ends of the lifting lead screws 218 are fixedly connected with a first transmission gear 219. Second transmission gears 220 are fixedly arranged at both ends of the transmission rod 216. The first transmission gear 219 meshes with the second transmission gear 220. Movable blocks 221 are fixedly connected to both the left and right sides of the limiting pressure plate 211. Threaded holes matching the lifting lead screws 218 are formed on the surfaces of the movable blocks 221. The movable blocks 221 are threadedly connected to the surfaces of the lifting lead screws 218 through the threaded holes.

[0041] By providing the driving motor 214 and the lifting lead screws 218, the driving motor 214 can be used to drive the two lifting lead screws 218 to rotate simultaneously, thereby driving the movable blocks 221 and the limiting pressure plate 211 to move up and down, and the height of the limiting pressure plate 211 can be adjusted, so as to perform assembly limiting and steering positioning on the needle roller gasket.

[0042] Please refer to Figure 9, the steering mechanism 4 includes a protective shell 401 fixedly connected to the upper surface of the limit pressing plate 211. A steering motor 402 is fixedly arranged inside the protective shell 401. A worm 403 is fixedly connected to the output shaft of the steering motor 402. A steering shaft rod 404 is rotatably arranged on the surface of the limit pressing plate 211. The top end of the steering shaft rod 404 extends into the protective shell 401, and a worm gear 405 is fixedly connected to the top of the steering shaft rod 404. The worm 403 meshes with the worm gear 405. The bottom end of the steering shaft rod 404 extends below the limit pressing plate 211 and is fixedly connected to a steering wheel 406. A clamping assembly 6 is arranged on the surface of the steering wheel 406.

[0043] It should be noted that by arranging the steering mechanism 4 on the surface of the limit pressing plate 211, after installing the needle rollers at one end of the needle roller gasket, when the limit pressing plate 211 resets upward, it drives the lifting top block 407 to touch the micro switch 408 at the bottom of the support top plate 212. Then, the steering motor 402 is started by using the micro switch 408 to drive the steering wheel 406 to rotate 90 degrees. Then, the limit pressing plate 211 is driven to move downward by using the lifting screw rod 218, and the needle roller gasket is pressed inside the gasket limit groove 205, so as to realize automatic steering and limiting of the needle roller gasket, without manual adjustment of the assembly direction of the needle roller gasket, and realize automatic assembly.

[0044] Please refer to Figure 9 and Figure 11 , it should be noted that the clamping assembly 6 includes four strip-shaped mounting holes 601 opened on the surface of the steering wheel 406. A guiding slide bar 602 is fixedly connected to the inner wall of the strip-shaped mounting hole 601, and a clamping plate 603 is slidably arranged on the inner wall of the strip-shaped mounting hole 601. A sliding through hole matching the guiding slide bar 602 is opened on the surface of the clamping plate 603. The clamping plate 603 is slidably connected to the surface of the guiding slide bar 602 through the sliding through hole. A return spring 605 is sleeved on the surface of the guiding slide bar 602. One end of the return spring 605 is fixedly connected to the surface of the clamping plate 603, and the other end of the return spring 605 is fixedly connected to the inner wall of the sliding through hole.

[0045] It should be further noted that a rubber anti-slip block 604 is fixedly connected to the surface of the clamping plate 603. A number of strip-shaped grooves are opened on the surface of the rubber anti-slip block 604. The four clamping plates 603 are symmetrically distributed in a rectangular array on the lower surface of the steering wheel 406.

[0046] By arranging the clamping assembly 6 at the bottom of the steering wheel 406, the edges of the needle roller gasket can be clamped and limited by using the four clamping plates 603, and the clamping plates 603 are tightly limited by using the return spring 605, which is suitable for limiting needle roller gaskets of different sizes, so that it is not limited by the size of the gasket limit groove 205 during use, and the practicability of the device is improved.

[0047] Working principle: When in use, first place the needle roller shim into the shim limit groove 205, then use the driving motor 214 to drive the limit pressure plate 211 downward to limit the top of the needle roller shim. Then use the vibrating feeder 1 to input the needle rollers into the three feeding channels 101, and use the feeding channels 101 to convey the needle rollers one by one to the three feeding conduits 3. Use the feeding conduits 3 to input the needle rollers into the three feeding bottom boxes 207 at the bottom of the positioning template 204. Then use the telescopic cylinder 202 to drive the movable bottom plate 203 to move upward on the surfaces of the four guiding columns 201, thereby driving the three feeding push blocks 209 on the surface of the movable bottom plate 203 to move. The feeding push blocks 209 move upward inside the feeding bottom boxes 207, thereby pushing the needle rollers into the needle roller assembly holes 206 at the bottom of the shim limit groove 205, and using the feeding push blocks 209 to install the needle rollers into the installation slots of the needle roller shims in the shim limit groove 205, realizing the assembly operation of the needle roller shims. After assembling one end of the needle roller shim, the limit pressure plate 211 resets upward, driving the lifting top block 407 to touch the micro switch 408. Use the micro switch 408 to start the steering motor 402. The steering motor 402 drives the worm 403 to rotate, the worm 403 drives the worm gear 405 and the steering shaft rod 404 to rotate, and the steering shaft rod 404 drives the steering wheel 406 to rotate 90 degrees, which can turn the needle roller shim 90 degrees, and then perform the needle roller assembly operation on the other three needle roller installation positions of the needle roller shim, realizing the automatic feeding and assembly operation of the needle rollers, and improving the working efficiency of the needle roller assembly.

[0048] All the standard parts used in the present invention can be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art. Plus, the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0049] The above describes the present invention and its implementation manners. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those skilled in the art are inspired by it and design similar structural manners and embodiments without creative efforts without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. An automatic assembling machine for needle roller washers, comprising a base, characterized in that: The upper surface of the base is fixedly provided with a vibrating feeding tray (1) and an assembling mechanism (2), and a feeding conduit (3) is arranged between the vibrating feeding tray (1) and the assembling mechanism (2); The assembling mechanism (2) includes four guiding columns (201) and a telescopic cylinder (202) fixedly installed on the upper surface of the base. The telescopic end of the telescopic cylinder (202) is fixedly connected with a movable bottom plate (203). The surfaces of the four guiding columns (201) are fixedly connected with a positioning template (204). A gasket limiting groove (205) is formed on the surface of the positioning template (204). Three needle roller assembly holes (206) are formed in the inner bottom wall of the gasket limiting groove (205). The lower surface of the positioning template (204) is fixedly connected with three feeding bottom boxes (207). A feeding square pipe (208) is fixedly embedded in the back surface of the feeding bottom box (207). One end of the feeding square pipe (208) away from the feeding bottom box (207) is fixedly connected with the output end of the feeding conduit (3); Three feeding push blocks (209) are fixedly connected to the upper surface of the movable bottom plate (203). The positions of the feeding push blocks (209) correspond to those of the feeding bottom boxes (207). Two limiting slide rods (210) are fixedly connected to the upper surface of the positioning template (204). A limiting pressure plate (211) is slidably sleeved on the surfaces of the two limiting slide rods (210). A steering mechanism (4) is arranged on the surface of the limiting pressure plate (211).

2. The automatic assembling machine for needle roller gaskets according to claim 1, wherein: The size of the feeding push block (209) matches that of the feeding bottom box (207), and the feeding push block (209) is slidably connected with the inner wall of the feeding bottom box (207). The feeding bottom box (207) is located directly below the needle roller assembly hole (206), and the size of the feeding bottom box (207) matches that of the needle roller assembly hole (206). The positioning template (204) is located directly above the movable bottom plate (203). The gasket limiting groove (205) is of a semi-circular structure.

3. The automatic needle roller spacer assembling machine according to claim 1, characterized in that: A lubricating component (5) is arranged on the lower surface of the positioning template (204). The lubricating component (5) includes an oil liquid box (501) fixedly connected to the lower surface of the positioning template (204). Three oil liquid conduits (502) are fixedly installed on the surface of the oil liquid box (501). One end of each of the three oil liquid conduits (502) away from the oil liquid box (501) is fixedly provided with an atomizing nozzle (503). One end of the atomizing nozzle (503) away from the oil liquid conduit (502) extends into the interior of the feeding bottom box (207). A piston air cylinder (504) is arranged below the oil liquid box (501). A piston push rod (505) is slidably arranged in the piston air cylinder (504). The bottom end of the piston push rod (505) is fixedly connected to the surface of the movable bottom plate (203).

4. The automatic needle roller spacer assembling machine according to claim 3, wherein: The bottom end of the piston air cylinder (504) is fixedly embedded with an exhaust pipe (506). The output end of the exhaust pipe (506) extends into the interior of the oil liquid box (501), and a one-way exhaust valve (507) is fixedly arranged on the surface of the exhaust pipe (506). The surface of the piston air cylinder (504) is fixedly embedded with an intake pipe (508), and a one-way intake valve (509) is fixedly connected to the surface of the intake pipe (508). The liquid outlet end of the atomizing nozzle (503) corresponds to the position of the needle roller assembly hole (206).

5. The automatic needle roller spacer assembling machine according to claim 1, wherein: The steering mechanism (4) includes a protective shell (401) fixedly connected to the upper surface of the limit pressing plate (211). A steering motor (402) is fixedly arranged inside the protective shell (401). The output shaft of the steering motor (402) is fixedly connected with a worm (403). A steering shaft rod (404) is rotatably arranged on the surface of the limit pressing plate (211). The top end of the steering shaft rod (404) extends into the interior of the protective shell (401), and a worm gear (405) is fixedly connected to the top of the steering shaft rod (404). The worm (403) meshes with the worm gear (405). The bottom end of the steering shaft rod (404) extends below the limit pressing plate (211) and is fixedly connected with a steering wheel (406). A clamping assembly (6) is arranged on the surface of the steering wheel (406).

6. The automatic needle roller spacer assembling machine according to claim 5, wherein: The clamping assembly (6) includes four strip-shaped mounting holes (601) opened on the surface of the steering wheel (406). A guiding slide rod (602) is fixedly connected to the inner wall of the strip-shaped mounting hole (601), and a clamping plate (603) is slidably arranged on the inner wall of the strip-shaped mounting hole (601). A sliding through hole matching the guiding slide rod (602) is opened on the surface of the clamping plate (603). The clamping plate (603) is slidably connected to the surface of the guiding slide rod (602) through the sliding through hole. A rubber anti-slip block (604) is fixedly connected to the surface of the clamping plate (603). A number of strip-shaped grooves are opened on the surface of the rubber anti-slip block (604). The four clamping plates (603) are symmetrically distributed in a rectangular array on the lower surface of the steering wheel (406).

7. The automatic needle roller spacer assembling machine according to claim 6, wherein: The position of the limit pressing plate (211) corresponds to the gasket limit groove (205), and the limit pressing plate (211) is located directly above the gasket limit groove (205). The limit pressing plate (211) is made of transparent acrylic material. A lifting top block (407) is fixedly arranged on the upper surface of the limit pressing plate (211). The top ends of the two limit slide rods (210) are fixedly connected with a support top plate (212). A microswitch (408) is fixedly connected to the lower surface of the support top plate (212). The position of the microswitch (408) corresponds to the lifting top block (407), and the lifting top block (407) is located directly below the microswitch (408).

8. The automatic needle roller washer assembling machine according to claim 7, wherein: A driving box (213) is fixedly arranged on the upper surface of the supporting top plate (212). A driving motor (214) is fixedly installed outside the driving box (213). The rotating shaft of the driving motor (214) extends into the driving box (213) and is fixedly connected with a driving bevel gear (215). A transmission rod (216) is rotatably connected to the inner wall of the driving box (213). A driven bevel gear (217) is fixedly connected to the middle surface of the transmission rod (216). The driving bevel gear (215) meshes with the driven bevel gear (217).

9. The automatic assembling machine for needle roller washers according to claim 8, characterized in that: Two lifting lead screws (218) are rotatably connected to the upper surface of the positioning template (204). The tops of the two lifting lead screws (218) both extend into the driving box (213), and the tops of the lifting lead screws (218) are fixedly connected with a first transmission gear (219). Second transmission gears (220) are fixedly arranged at both ends of the transmission rod (216). The first transmission gear (219) meshes with the second transmission gear (220). Movable blocks (221) are fixedly connected to the left and right sides of the limiting pressure plate (211). Threaded holes matching the lifting lead screws (218) are formed in the surfaces of the movable blocks (221). The movable blocks (221) are threadedly connected to the surfaces of the lifting lead screws (218) through the threaded holes.

10. The automatic needle roller washer assembling machine according to claim 1, characterized in that: Three feeding channels (101) are arranged inside the vibrating feeding tray (1). The number of the feeding guide pipes (3) is three, and the feeding ends of the three feeding guide pipes (3) respectively correspond to the discharging ends of the three feeding channels (101). The feeding guide pipes (3) are bent pipes made of metal. A compression spring (222) is sleeved on the surface of the guiding upright column (201). The bottom end of the compression spring (222) is fixedly connected to the lower surface of the movable bottom plate (203), and the top end of the compression spring (222) is fixedly connected to the lower surface of the positioning template (204).

Citation Information

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