Rapid ball filling device for stainless steel bearing production
By designing a ball quick filling device for stainless steel bearing production, the combined design of material extraction components and material guide mechanisms is used to solve the problem of uniform distribution and complete acquisition in ball assembly, and the efficiency and accuracy of bearing assembly are achieved.
Patent Information
- Application Number
- CN202510334462.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-05-30
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the prior art, when assembling ball bearings, especially bearings of the open cage, it is difficult to ensure uniform distribution and complete acquisition of balls, resulting in the problem of unmet assembly.
A ball quick filling device for the production of stainless steel bearings is designed, including a support frame, a hopper, material pickup parts and a material guide mechanism. The material extraction component can effectively obtain and disperse the balls through the air pipe column and the negative pressure adsorption function; the material guide mechanism achieves uniform distribution and rapid removal of the balls through the cooperation of the guide member and the driving plate.
This device can effectively ensure the uniform distribution and complete acquisition of balls, avoid the problem of missing balls during assembly, and ensure that the bearing assembly meets the requirements.
Smart Images
Figure CN120062248A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of ball bearing assembly, and specifically provides a device for quickly filling balls in the production of stainless steel bearings. Background Art
[0002] A bearing is a widely used and common mechanical component. A stainless steel bearing refers to a bearing processed and assembled with stainless steel as the material. Among them, a ball bearing is one of various types of bearings, generally composed of an outer ring, an inner ring, balls, and a cage. Some ball bearings also include a seal. The balls are placed between the outer ring and the inner ring, and the cage is used to limit and fix the balls, so that the balls are separated from each other and evenly dispersed.
[0003] During the assembly process of a ball bearing, specifically, different assembly sequences and methods can be selected according to the design type of the ball bearing for assembly; for a ball bearing designed with a split cage or a ball bearing with a larger size, generally, the balls can be filled into the cage at one time; specifically, when assembling a ball bearing with a split cage, the balls can be first filled into one half of the cage, then the half cage together with the balls is assembled between the outer ring and the inner ring, and finally the other half of the cage is installed to complete the assembly of the entire bearing.
[0004] In the prior art, for a ball bearing designed with a split cage, through related equipment, a one-time grasping and filling method is often used to fill all the balls into one half of the cage. In the common design of such equipment, a bin for storing balls is provided, and two ball-grabbing manipulators are provided. One ball-grabbing manipulator is assembled in the bin for dispersedly grabbing balls, and the other ball-grabbing manipulator is assembled outside the bin for transferring the balls grabbed from the bin and filling them into the ball grooves of the cage; generally, the ball-grabbing ends of the two ball-grabbing manipulators are provided with ball-grabbing grooves corresponding to the ball grooves in the cage. The ball-grabbing manipulator in the bin mainly relies on the balls falling actively into the ball-grabbing grooves, and then the balls are lifted upward through a jacking movement.
[0005] There is usually a sufficient amount of ball bearings stored in the bin; the ball bearings in the ball bearing are evenly dispersed and positioned by the cage, so there is a separation distance between the ball bearings. When the number of assembled ball bearings is large, the separation distance is small, and vice versa. The distribution interval of the material-grabbing grooves in the material-grabbing manipulator corresponds to the separation distance of the ball grooves in the cage; as the ball filling operation progresses and the balls in the bin are not replenished in time, the number of balls in the bin will continue to decrease; when the number of balls decreases to a certain amount and all the balls are unevenly distributed in the space of the bin, on the one hand, because the balls are unevenly distributed in the space of the bin, the balls are concentrated in local positions. Especially when the size of the assembled bearing is large and the material-grabbing end face area of the material-grabbing manipulator is relatively large, it is easier to cause a small number of balls to be concentrated in local positions. On the other hand, the balls may fall on the separation distance area of the material-grabbing groove. When the separation distance is large, the probability of the balls falling on its area is obviously increased; this may cause no balls to fall into one or more material-grabbing grooves, ultimately resulting in the amount of grabbed balls being less than the actual required assembly amount, and causing the ball assembly not to meet the requirements. Summary of the Invention
[0006] In order to solve the above problems, the present invention provides a rapid ball filling device for the production of stainless steel bearings, which is used to solve the problems mentioned in the above background technology.
[0007] In order to achieve the above object, the present invention adopts the following technical solutions to implement: A rapid ball filling device for the production of stainless steel bearings, including a support frame, a hopper for storing balls and in the shape of a round hopper is fixed at the top of the support frame, and a material-taking component for dispersing and positioning to obtain balls is installed through the center line in the hopper; a material guiding mechanism for guiding the material-taking component to obtain balls from the hopper is installed on the support frame; a transfer and filling mechanism for transferring and filling balls from the material-taking component is assembled at the top of the support frame.
[0008] The material-taking component includes a circular material-taking head and an air pipe column fixed at the bottom end of the material-taking head; a guiding cone is fixed at the center of the top end face of the material-taking head, and a plurality of material-taking grooves corresponding to the ball installation positions in the stainless steel bearing are provided, and the material-taking grooves are communicated with the inner air passage of the air pipe column.
[0009] The material guiding mechanism includes a plurality of material guiding parts vertically passing through the hopper, and the material guiding parts and the material-taking grooves are circumferentially evenly spaced; the top end of the material guiding part is a material guiding head located in the hopper; a guiding sleeve is sleeved and fixed outside the hopper, and the material guiding parts are all guided and movably installed on the guiding sleeve; all the bottom ends of the material guiding parts are horizontally installed with a driving disk together, and the bottom of the material guiding part is slidably installed on the driving disk in the radial direction; a lifting component for driving the driving disk and the material-taking component to rise synchronously is installed on the support frame.
[0010] When the lifting assembly drives the driving disk to rise, the material guide piece moves upward along the hopper generatrix under the guidance of the guide sleeve. When the material guide piece moves to the position where the material guide head avoids the top of the material retrieving head, the lifting assembly starts to synchronously drive the material retrieving part to rise.
[0011] Preferably, the transfer and filling mechanism includes a transfer frame for providing horizontal lateral movement and lifting and lowering movement. A grabbing head that cooperates with a material picking head and adopts pneumatic adsorption grabbing is fixed at the lifting and lowering movable end of the transfer frame. A plurality of grabbing grooves connected to the internal airway are provided on the bottom end surface of the grabbing head. When the grabbing head is located directly above the material picking head, the plurality of grabbing grooves are relatively located directly above the plurality of material picking grooves.
[0012] Preferably, the hopper is provided with a plurality of through slots which are arranged one by one corresponding to the plurality of material guide members, and the through slots extend along the busbar direction of the hopper; the material guide members also include a movable plate fixed at the bottom end of the material guide head, and the movable plate vertically passes through the through slots at corresponding positions; the upper end surface of the driving disk is provided with a radially extending slide rail relative to each material guide member, and the material guide member is mounted on the slide rail by slidingly fitting at the bottom end of the movable plate.
[0013] Preferably, the guide sleeve includes a fixed ring which is sleeved and fixed on the outer wall of the hopper, and a plurality of guide frames which correspond to the plurality of material guide members are evenly distributed and fixed around the center on the inner wall of the fixed ring, and the guide frames include two guide plates, and the guide plates are provided with long holes extending along the direction of the hopper busbar. The movable plate passes between the two guide plates in the corresponding guide frames, and a movable pin is fixed on the movable plate horizontally relative to the plate surface, and the two ends of the movable pin move along the long holes in the two guide plates.
[0014] Preferably, the lifting assembly includes a lifting frame arranged in a lifting drive, and the lifting frame is fixed to the bottom end of the driving disk; a square guide sleeve is fixedly mounted on the air pipe column, and the guide sleeve is vertically slidably mounted on the lifting frame, and a socket is provided on at least one side of the guide sleeve; the lifting frame is provided with an insert block corresponding to the socket; the thickness of the inserted end of the insert block is less than the vertical length of the socket; during the descending process of the lifting frame, when the upper end surface of the insert block is separated from the upper end of the socket, the material picking component is overlapped in the hopper.
[0015] Preferably, a channel tube is fixed at the center of the bottom end of the hopper, and the material taking component is arranged through the channel tube; a limit stop ring is fixed in the channel tube, and a step surface that overlaps and contacts the upper end surface of the limit stop ring is provided on the air pipe column.
[0016] Preferably, a material guide sleeve made of flexible material is fixed on the material grabbing head, a material guide ring is provided at the bottom of the material guide sleeve and fits the bottom of the material grabbing head, and a circular material guide hole is concentrically provided on the material guide ring relative to each material grabbing groove.
[0017] Preferably, when the driving disk is at the lowest height, the material guiding heads are distributed between two adjacent material taking grooves, and the material guiding surfaces on both sides of the material guiding heads for guiding materials into the two adjacent corresponding material taking grooves are arranged parallel to the radial direction of the hopper.
[0018] Preferably, when the material taking component is lapped on the limiting retaining ring, the docking edge of the channel cylinder in the hopper is flush with the upper end surface of the material taking head.
[0019] Preferably, a sliding sleeve is fixed at the center of the driving disk, and the sliding sleeve is slidably sleeved on the channel cylinder by means of key fit.
[0020] The above technical solution has the following advantages or beneficial effects: The present invention provides a device for quickly filling balls for the production of stainless steel bearings, which is applicable to the one-time ball filling of the relative cage of a stainless steel ball bearing with a larger size and a split-type cage. Compared with the existing equipment, a material guiding mechanism for guiding the grasping of balls is provided, so that on the basis of the joint guidance of the inner wall surface of the hopper itself and the inclined conical surface of the guiding cone, through the further guidance of two material guiding heads, the balls can quickly and effectively fall into the material taking grooves of the material taking component. In addition, the material guiding heads in the material guiding mechanism adopt a movable and dispersible avoidance design that can move along the generatrix direction of the hopper, which can not only relatively avoid the material taking component and take the balls out of the hopper, but also the reciprocating movement of the uniformly dispersed material guiding heads up and down in the entire storage space of the hopper can also disturb the balls. On the one hand, the disturbance promotes the uniform distribution of the balls in the hopper space, so that each material taking groove on the material taking component can obtain the balls with an approximately equal probability. On the other hand, the disturbance further quickly drives the balls to fall into the material taking grooves; in addition, the material taking component adopts a functional design of negative pressure adsorption, which further enhances the acquisition force of the balls; especially when the distribution spacing of the filled balls is relatively large itself, and as the number of balls in the hopper gradually decreases during the filling process, it more effectively ensures the complete acquisition of the number of balls and avoids the occurrence of the situation that the bearing assembly does not meet the requirements due to the lack of balls after filling. Description of the Drawings
[0021] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, the present invention and its features, shapes and advantages will become more obvious. The same reference numerals indicate the same parts in all the drawings, and the drawings are not deliberately drawn to scale, with the focus on showing the gist of the present invention.
[0022] Figure 1 It is a three-dimensional structural schematic diagram of a device for quickly filling balls for the production of stainless steel bearings provided by the present invention.
[0023] Figure 2 It is a front view of a device for quickly filling balls for the production of stainless steel bearings provided by the present invention.
[0024] Figure 3 It is a three-dimensional structure schematic diagram of the assembly position relationship among the hopper, the material taking component, and the material guiding mechanism.
[0025] Figure 4 It is Figure 3 the front view of the structure shown.
[0026] Figure 5 It is Figure 4 the sectional view taken along A-A in
[0027] Figure 6 It is a three-dimensional structure diagram of the relative assembly position relationship among the hopper, the material taking component, the guiding sleeve, the guiding piece, and the driving disc.
[0028] Figure 7 It is a three-dimensional sectional view of the material taking component assembled in the hopper.
[0029] Figure 8 It is Figure 7 the partial enlarged view at position B in
[0030] Figure 9 It is a three-dimensional assembly drawing of the material guiding part and the guiding sleeve assembled.
[0031] Figure 10 It is a three-dimensional structure diagram of the material guiding part.
[0032] Figure 11 It is a three-dimensional structure diagram of the driving disc.
[0033] Figure 12 It is a three-dimensional structure diagram of the bridging plate.
[0034] Figure 13 It is a three-dimensional structure diagram of the guiding sleeve and the material grabbing head assembled.
[0035] Figure 14 It is a three-dimensional structure diagram of the guiding sleeve.
[0036] In the figure: 1, support frame; 2, hopper; 21, channel cylinder; 22, through slot; 23, limit retaining ring; 3, material taking component; 31, material taking head; 311, material taking groove; 312, guiding cone; 313, air hole; 32, air pipe column; 321, sub-hole column; 3211, air passage; 3212, air chamber port; 322, main air pipe; 3221, docking cover; 33, guiding sleeve; 331, jack; 4, material guiding mechanism; 41, guiding sleeve; 411, fixing ring; 412, guiding frame; 413, guiding plate; 4131, long slot; 42, material guiding part; 421, material guiding head; 422, moving plate; 4221, moving pin; 43, driving disc; 431, sliding sleeve; 432, sliding rail; 44, lifting assembly; 441, lifting cylinder; 442, lifting frame; 4421, column; 4422, bridging plate; 4423, inserting block; 5, transfer and filling mechanism; 51, transfer frame; 511, transverse movement guiding frame; 512, transverse movement beam; 513, lifting frame; 52, material grabbing head; 521, material grabbing groove; 522, pipe joint; 53, material guiding sleeve; 531, material guiding ring. Detailed implementation manners
[0037] 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0038] In order to enable those in the technical field to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0039] Such as Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 7 and Figure 8As shown in the figure, a rapid ball filling device for the production of stainless steel bearings includes a support frame 1. At the top end of the support frame 1, a hopper 2 for storing balls and in the shape of a round funnel is fixed by bolts. At the center of the bottom end of the hopper 2, a channel cylinder 21 is welded. Inside the hopper 2 and along the center line through the channel cylinder 21, a material taking component 3 for dispersing, positioning and obtaining balls is installed. The material taking component 3 includes a circular material taking head 31 and an air pipe column 32 coaxially assembled at the bottom end of the material taking head 31. On the top end face of the material taking head 31, a plurality of material taking grooves 311 are evenly distributed around the center. The material taking grooves 311 are spherical grooves matching the size of the balls. The radius of the material taking grooves 311 is slightly larger than the radius of the filled balls. The distribution positions of the plurality of material taking grooves 311 correspond to the positions of the plurality of ball grooves in the cage of the stainless steel bearing to be assembled. The air pipe column 32 is divided into a sub-hole column 321 and a main air pipe 322 successively from top to bottom. The top end of the sub-hole column 321 is fixed to the bottom end of the material taking head 31 by screws. Air holes 313 are provided in the material taking grooves 311. A plurality of axially penetrating air channels 3211 are circumferentially distributed in the sub-hole column 321, and the plurality of air channels 3211 are in one-to-one correspondence and conduction with the plurality of air holes 313. An air chamber port 3212 is provided at the bottom end of the sub-hole column 321. The main air pipe 322 is inserted and welded into the air chamber port 3212 through a docking cover 3221 provided at the top end to realize the connection with the air channels 3211. Sealing treatments are made at the connections between the sub-hole column 321 and the material taking head 31 and between the sub-hole column 321 and the main air pipe 322. The bottom end of the main air pipe 322 can be connected to an air pipe through a fitting and is connected to a vacuum negative pressure device. A limiting retaining ring 23 is horizontally welded inside the channel cylinder 21. The main air pipe 322 passes through the limiting retaining ring 23, and the bottom end step surface of the docking cover 3221 of the main air pipe 322 is in lap contact with the limiting retaining ring 23. When the material taking component 3 is in lap contact with the limiting retaining ring 23, the docking edge of the channel cylinder 21 inside the hopper 2 is flush with the upper end face of the material taking head 31 to achieve smooth docking without forming a step block. In addition, in order to guide the balls to fall on the entire annular end face area of the material taking head 31 where the material taking grooves 311 are provided, a conical guiding cone 312 is also welded at the top end of the material taking head 31. In the present invention, on the basis of the existing passive random capture of balls through the material grabbing grooves 521, the ability of the material taking component 3 to actively capture balls is enhanced by means of negative pressure adsorption.
[0040] As Figure 4 , Figure 5 , Figure 7 and Figure 9 shown in the figure, a plurality of through slots 22 equal in number to the balls in the stainless steel bearing to be filled are evenly distributed around the central axis in the hopper 2. The through slots 22 extend along the generatrix direction of the hopper 2. A material guiding mechanism 4 for guiding the material taking component 3 to obtain balls from the hopper 2 is installed on the support frame 1. The material guiding mechanism 4 includes a plurality of material guiding members 42 respectively assembled at the plurality of through slots 22. The material guiding members 42 and the material taking grooves 311 are circumferentially evenly spaced.
[0041] As Figure 5 , Figure 6 , Figure 9 and Figure 10 shown, a guiding sleeve 41 is sleeved outside the hopper 2. The guiding sleeve 41 includes a fixing ring 411 sleeved and welded on the outer wall of the hopper 2. A plurality of guiding frames 412 for guiding the movement of a plurality of material guiding members 42 are uniformly distributed around the center on the inner wall of the fixing ring 411. The guiding frame 412 includes two guiding plates 413 welded on the inner wall of the fixing ring 411. The two guiding plates 413 in the guiding frame 412 are arranged radially symmetrically with respect to the fixing ring 411. The material guiding member 42 includes a material guiding head 421 located inside the hopper 2 and a moving plate 422 welded to the bottom end of the material guiding head 421. The moving plate 422 vertically passes through a corresponding through slot 22 and passes between two guiding plates 413 in the corresponding guiding frame 412. A long slot 4131 extending along the generatrix direction of the hopper 2 is formed on the guiding plate 413. A moving pin 4221 is horizontally welded through the opposite plate surfaces of the moving plate 422. Both ends of the moving pin 4221 move along the long slot 4131 in the two guiding plates 413.
[0042] As Figure 3 , Figure 5 , Figure 6 and Figure 11 shown, a driving disk 43 is horizontally installed at the bottom ends of all the material guiding members 42 together. A sliding sleeve 431 is welded at the center of the driving disk 43. The sliding sleeve 431 is slidably sleeved on the channel cylinder 21 in a key - fitting manner. A slide rail 432 extending radially is arranged on the upper end surface of the driving disk 43 for each material guiding member 42. The material guiding member 42 is slidably installed on the slide rail 432 through the bottom end of the moving plate 422. When the driving disk 43 is at the lowest height, the material guiding heads 421 are distributed between two adjacent material taking slots 311. The material guiding surfaces for guiding materials from both sides of the material guiding head into the corresponding adjacent two material taking slots are arranged parallel to the radial direction of the hopper. One end of the material guiding head 421 close to the center of the hopper 2 extends above the conical surface of the guiding cone 312. In order to cooperate with the guiding cone 312 to guide the balls to slide into the material taking slot 311, the end of the material guiding head 421 extending above the guiding cone 312 is an arc surface. In addition, the top end of the guiding head is processed into a non - planar shape composed of an inclined surface and an arc surface to facilitate the sliding of the balls.
[0043] As Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 12As shown in the figure, a lifting assembly 44 for driving the driving disk 43 and the material taking component 3 to rise synchronously is installed on the support frame 1. The lifting assembly 44 includes a lifting cylinder 441 vertically fixed on the support frame 1 by bolts and a lifting frame 442 assembled at the output end of the lifting cylinder 441. The lifting frame 442 includes two columns 4421 vertically fixed at the bottom end of the driving disk 43 by screws and a bridging plate 4422 horizontally fixed between the bottom ends of the two columns 4421 by screws. The bridging plate 4422 is fixed to the output end of the lifting cylinder 441 by screws. A square guiding sleeve 33 is sleeved and welded on the main air pipe 322. The guiding sleeve 33 is vertically and slidably fitted on the bridging plate 4422. The sliding fit between the guiding sleeve 33 and the bridging plate 4422 restricts the freedom of the material taking component 3 to rotate circumferentially along the hopper 2, so that the material taking groove 311 and the through slot 22 are always evenly distributed at intervals in the same circumferential direction; rectangular insertion holes 331 are formed through two opposite side surfaces of the guiding sleeve 33; two insertion blocks 4423 are welded to the bottom end of the bridging plate 4422 and inserted into the two ports of the insertion holes 331 in a one-to-one correspondence. The thickness of the inserted end of the insertion block 4423 is less than the vertical length of the insertion hole 331.
[0044] During the process of filling and assembling the balls, the balls can be regularly put into the hopper 2. The balls can fall better into the material taking groove 311 under the guidance of two adjacent material guiding heads 421. When it is necessary to lift the intercepted balls out of the hopper 2 upward, the material taking component 3 can be lifted by the lifting assembly 44 so that the balls are taken out synchronously.
[0045] When the lifting cylinder 441 drives the bridging plate 4422 to rise, the lifting frame 442 drives the driving disk 43 to rise synchronously. During the rising process of the driving disk 43, each material guiding member 42 is driven to move along the long slot 4131 through the moving pin 4221, so that the material guiding head 421 slides upward along the generatrix of the hopper 2. It should be noted that since the guiding surfaces on both sides of the material guiding head 421 are arranged parallel to the radial direction of the hopper 2, when moving along the generatrix, the material guiding head 421 can completely avoid the balls on both sides and will not disturb the balls guided to fall into the material taking groove 311. The insertion block 4423 rises synchronously with the bridging plate 4422, so that the insertion block 4423 moves upward relative to the guiding sleeve 33. During the entire rising process from the lowest position of the insertion block 4423 to the upper end surface of the insertion block 4423 just contacting the inner upper end of the insertion hole 331, the material taking component 3 is always lapped on the limiting retaining ring 23. And in the present invention, when the insertion block 4423 rises to just contact the inner upper end of the insertion hole 331, the material guiding head 421 has moved to a position completely above the material taking head 31. Subsequently, the lifting frame 442 continues to rise, the material guiding head 421 continues to move upward along the generatrix of the hopper 2, and the lifting frame 442 lifts the guiding sleeve 33 through the two insertion blocks 4423, so that the material taking component 3 rises synchronously therewith and moves to the highest position, so that the material taking head 31 drives the intercepted balls out of the hopper 2.
[0046] As Figure 1 , Figure 2 , Figure 13 and Figure 14 shown, a transfer and filling mechanism 5 for transferring and filling balls from the material taking component 3 is assembled at the top end of the support frame 1. The device provided by the present invention is assembled in the entire assembly system for assembling stainless steel bearings. In this type of stainless steel bearing, a split cage is provided. The device provided by the present invention is used to achieve one-time filling of balls, and the transfer and filling mechanism 5 is responsible for further aligning and filling the balls into the ball grooves of half of the cage. The transfer and filling mechanism 5 includes a transfer frame 51 for providing horizontal transverse movement and lifting movement. The transfer frame 51 includes a transverse guide frame 511 welded to the top end of the support frame 1, a transverse beam 512 horizontally slidably mounted on the transverse guide frame 511, and a lifting frame 513 vertically slidably mounted on the transverse beam 512. In this embodiment, a cylinder can be horizontally installed on the transverse guide frame 511 to drive the horizontal sliding of the transverse beam 512, and a cylinder can be vertically installed on the transverse beam 512 to drive the vertical lifting of the lifting frame 513. A gripper head 52 that cooperates with the material taking head 31 and uses pneumatic adsorption to grab is assembled on the lifting frame 513. A pipe joint 522 for connecting an external air pipe is provided at the top end of the gripper head 52, and the pipe joint 522 is fixed on the lifting frame 513; a plurality of gripper grooves 521 communicating with the pipe joint 522 are formed on the bottom end surface of the gripper head 52. The gripper grooves 521 are hemispherical grooves matching the size of the balls, and the radius of the gripper grooves 521 is slightly larger than the radius of the balls; when the gripper head 52 is directly above the material taking head 31, a plurality of gripper grooves 521 are respectively directly above a plurality of material taking grooves 311. In order to further guide the balls to be accurately filled into the ball grooves of half of the cage and prevent the balls from falling out of the ball grooves, therefore, a guide sleeve 53 made of silicone material is sleeved and fixed on the gripper head 52. A guide ring 531 attached to the bottom end of the gripper head 52 is provided at the bottom end of the guide sleeve 53. Circular guide holes are concentrically arranged on the guide ring 531 corresponding to each gripper groove 521. It should be noted that the depth of the material taking groove 311 is less than the radius of the balls, and more than half of the balls are exposed when the balls are located in the material taking groove 311, so as to form an avoidance position for the guide sleeve 53 when the gripper head 52 docks and transfers to grab the balls from the material taking head 31.
[0047] After the lifting component 44 drives the material taking component 3 to take the ball bearings out of the hopper 2 upwards, the transfer and filling mechanism 5 is responsible for transferring and filling the ball bearings. Specifically, the gripper head 52 descends vertically relative to the material taking head 31, so that the ball bearings at the end of the material taking head 31 enter the material guiding holes at the corresponding positions. Subsequently, the air passage in the material taking component 3 is closed through an external air pipe valve, and the negative pressure adsorption force disappears. The gripper head 52 adsorbs and grips the ball bearings tightly in the gripper groove 521 through negative pressure adsorption. Finally, under the transfer movement of the transfer rack 51, the gripper head 52 releases the ball bearings at one time and fills them in the ball grooves of half of the cage. During filling, the material guiding holes of the material guiding sleeve 53 form a filling guide relative to the ball grooves, preventing the ball bearings from falling out of the ball grooves of the cage. It should be noted that in the material taking component 3, the negative pressure adsorption force is cancelled only when the gripper head 52 docks and grabs the ball bearings.
[0048] After the filling is completed, the lifting cylinder 441 drives the lifting frame 442 to descend and reset, so that the material taking component 3 descends and falls back to be lapped on the limit retaining ring 23, and the material guiding head 421 resets again and gathers at the top end face of the material taking head 31. In addition, the transfer and filling mechanism 5 resets, and the gripper head 52 resets directly above the material taking head 31.
[0049] The present invention provides a rapid ball filling device for stainless steel bearings during production, which is applicable to the one-time ball filling of stainless steel ball bearings with relatively large sizes and split cages relative to the cages. Compared with existing equipment, a material guiding mechanism 4 for guiding the grasping of ball bearings is provided. Based on the joint guidance of the inner wall surface of the hopper 2 itself and the inclined conical surface of the guiding cone 312, through the further guidance of two material guiding heads 421, the ball bearings can quickly and effectively fall into the material taking grooves 311 of the material taking component 3. In addition, the material guiding heads 421 in the material guiding mechanism 4 adopt a dispersible and avoidable movement design that can move along the generatrix direction of the hopper 2. They can not only relatively avoid the material taking component 3 and take the ball bearings out of the hopper 2, but also the reciprocating movement of the evenly dispersed material guiding heads 421 up and down in the entire storage space of the hopper 2 can disturb the ball bearings. On the one hand, the disturbance promotes the uniform distribution of the ball bearings in the space of the hopper 2, enabling each material taking groove 311 on the material taking component 3 to obtain ball bearings with an approximately equal probability. On the other hand, the disturbance further quickly drives the ball bearings to fall into the material taking grooves 311; in addition, the material taking component 3 adopts a functional design of negative pressure adsorption, further enhancing the acquisition force for the ball bearings; especially when the distribution spacing of the ball bearings during filling is relatively large and the number of ball bearings in the hopper 2 gradually decreases during the filling process, it more effectively ensures the complete acquisition of the number of ball bearings, avoiding the occurrence of situations where the bearing assembly does not meet the requirements due to the lack of ball bearings after filling.
[0050] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.
[0051] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "arranged", "connected", "installed", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific circumstances.
[0052] The preferred embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above specific embodiments, and the devices and structures not described in detail should be understood to be implemented in a common manner in the art; any person skilled in the art can make many possible changes and modifications without departing from the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes, which does not affect the essence of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A ball rapid filling device for stainless steel bearing production, characterized in that: The invention comprises a support frame, a round hopper for storing balls is fixed on the top of the support frame, a material taking component for dispersing and positioning balls is installed in the hopper along the center line; a material guide mechanism for guiding the material taking component to take balls from the hopper is installed on the support frame; a transfer and filling mechanism for transferring balls from the material taking component and filling balls is installed on the top of the support frame; The material taking component includes a circular material taking head and an air pipe column fixed at the bottom of the material taking head; a guide cone is fixed at the center of the top surface of the material taking head, and a plurality of material taking grooves corresponding to the installation positions of the balls in the stainless steel bearing are opened, and the material taking grooves are connected with the airway in the air pipe column; The material guide mechanism includes a plurality of material guide members vertically passing through the hopper, and the material guide members and the material taking trough are evenly distributed in the circumferential direction; the top of the material guide member is a material guide head located in the hopper; a guide sleeve is fixedly mounted on the outside of the hopper, and the material guide members are guided and moved and installed on the guide sleeve; a driving disk is horizontally mounted on the bottom of all the material guide members, and the bottom of the material guide member is radially slidably mounted on the driving disk; a lifting component that drives the driving disk and the material taking component to rise synchronously is installed on the support frame; When the lifting assembly drives the driving disk to rise, the material guide piece moves upward along the hopper generatrix under the guidance of the guide sleeve. When the material guide piece moves to the position where the material guide head avoids the top of the material retrieving head, the lifting assembly starts to synchronously drive the material retrieving part to rise.
2. The ball rapid filling device for stainless steel bearing production according to claim 1 is characterized by: The transfer and filling mechanism includes a transfer frame for providing horizontal lateral movement and lifting movement. A grabbing head that cooperates with a material picking head and adopts pneumatic adsorption grabbing is fixed on the lifting and moving end of the transfer frame. A plurality of grabbing grooves connected to the internal airway are provided on the bottom end surface of the grabbing head. When the grabbing head is located directly above the material picking head, the plurality of grabbing grooves are relatively located one by one directly above the plurality of material picking grooves.
3. The ball rapid filling device for stainless steel bearing production according to claim 1 is characterized by: The hopper is provided with a plurality of through slots which are arranged one by one corresponding to the plurality of material guide members, and the through slots extend along the direction of the hopper busbar; the material guide members also include a movable plate fixed at the bottom end of the material guide head, and the movable plate vertically passes through the through slots at corresponding positions; the upper end surface of the driving disk is provided with a radially extending slide rail relative to each material guide member, and the material guide member is mounted on the slide rail by slidingly fitting at the bottom end of the movable plate.
4. The ball rapid filling device for stainless steel bearing production according to claim 3 is characterized by: The guide sleeve includes a fixed ring which is sleeved and fixed on the outer wall of the hopper, and a plurality of guide frames which correspond to a plurality of material guide members are evenly distributed and fixed around the center on the inner wall of the fixed ring. The guide frame includes two guide plates, and a long hole extending along the direction of the hopper busbar is provided on the guide plate. The movable plate passes between the two guide plates in the correspondingly arranged guide frames, and a movable pin is fixed on the movable plate horizontally relative to the plate surface, and the two ends of the movable pin move along the long holes in the two guide plates.
5. The ball rapid filling device for stainless steel bearing production according to claim 1 is characterized by: The lifting assembly includes a lifting frame arranged in a lifting drive, and the lifting frame is fixed to the bottom end of the driving disk; a square guide sleeve is fixedly mounted on the air pipe column, and the guide sleeve is vertically slidably mounted on the lifting frame, and a socket is provided on at least one side of the guide sleeve; an insert block corresponding to the socket is provided on the lifting frame; the thickness of the inserted end of the insert block is less than the vertical length of the socket; during the descent of the lifting frame, when the upper end surface of the insert block is separated from the upper end of the socket, the material picking component is overlapped in the hopper.
6. A ball rapid filling device for stainless steel bearing production according to claim 5, characterized in that: A channel tube is fixed at the center of the bottom end of the hopper, and the material taking component is arranged in the channel tube through; a limit stop ring is fixed in the channel tube, and a step surface that overlaps and contacts with the upper end surface of the limit stop ring is arranged on the air pipe column.
7. The ball rapid filling device for stainless steel bearing production according to claim 2 is characterized by: The material grabbing head is sleeved with a material guide sleeve fixed with a flexible material, the bottom end of the material guide sleeve is provided with a material guide ring fitted on the bottom end of the material grabbing head, and the material guide ring is concentrically provided with a circular material guide hole relative to each material grabbing groove.
8. The ball rapid filling device for stainless steel bearing production according to claim 7 is characterized by: When the driving disc is at the lowest height, the material guide head is distributed between two adjacent material taking grooves, and the material guide surfaces of the material guide head corresponding to the two adjacent material taking grooves on both sides are arranged parallel to the radial direction of the hopper.
9. The ball rapid filling device for stainless steel bearing production according to claim 6, characterized in that: When the material taking component is overlapped on the limit stop ring, the butt joint edge of the channel tube in the hopper is flush with the upper end surface of the material taking head.
10. The ball rapid filling device for stainless steel bearing production according to claim 6, characterized in that: A sliding sleeve is fixed at the center of the driving disk, and the sliding sleeve is slidably sleeved on the channel tube in a key-matching manner.