CN111761461A - Automatic production line and process for inner ball cage retainer - Google Patents
Automatic production line and process for inner ball cage retainer Download PDFInfo
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- CN111761461A CN111761461A CN202010559629.5A CN202010559629A CN111761461A CN 111761461 A CN111761461 A CN 111761461A CN 202010559629 A CN202010559629 A CN 202010559629A CN 111761461 A CN111761461 A CN 111761461A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides an automatic production line for an inner ball cage retainer, which comprises a feeding system, a window processing system, an outer circle processing system, an inner diameter processing system, a turnover system and a conveying unit, wherein the retainers to be processed are sequenced by the feeding system and then are conveyed to the turnover system one by one for detection, the retainer with a downward positioning surface is directly conveyed to a first feeding unit, the retainer with an upward positioning surface is conveyed to a window processing system for window grinding processing after the automatic feeding and turnover system is added before a window grinding process, the automatic feeding and the detection of the positioning surface are realized, the retainer with the upward positioning surface is automatically turned over, the retainer is conveyed to the outer circle processing system and a subsequent inner hole processing system by a lifting unit, the automatic operation of the line for processing the retainer is realized, one-person operation and multiple-machine operation are realized, and the labor intensity is reduced, the production efficiency is improved, and the turnover period of the workpiece is reduced.
Description
Technical Field
The invention relates to the technical field of processing of retainers, in particular to an automatic production line and process for an inner ball cage retainer.
Background
The ball cage type constant velocity universal joint is a cage for a ball cage type constant velocity universal joint, and the ball cage type constant velocity universal joint can overcome the problem of unequal velocity of a common cross shaft type universal joint, so that the ball cage type constant velocity universal joint is widely applied to the field of automobile production, and the requirements of parts are improved along with the continuous improvement of the quantity of required automobiles; the processing procedure of the retainer comprises the following steps: cage blank → grinding window → grinding excircle → grinding inner hole.
As shown in fig. 1, the structural diagram of the cage is shown, and the reference numbers are respectively: the end faces of the 100 retainer, 101 retainer windows and 102 retainer are internally chamfered, wherein the maximum diameter of the outer circle of the retainer is D, the maximum distance between the outer circle of the retainer and the window is H2, one end of the inner chamfer of the end face of the retainer blank is machined, and the chamfer at the other end is not machined and is used as a positioning reference surface in the window grinding process.
The Chinese patent CN201310311078 discloses a numerical control full-automatic retainer window milling machine, which adopts an integral high-rigidity anti-vibration casting machine body, wherein a linear guide rail and a precise ball screw are arranged on the machine body, a left and right longitudinal movement saddle, a sliding seat and a transverse adjusting device are arranged on the machine body, milling power heads are arranged on the left and right sliding bodies, a main shaft part is arranged in the middle of the machine body, a clamping device part is arranged on the main shaft part, conveying belts are respectively arranged on two sides of the rear part of the machine body, a manipulator is arranged on the rear upper part of the machine body, and a workpiece conveying disc is arranged on the left outer edge.
However, in the window grinding process in the technical scheme, the chamfer face is required to be placed upwards manually, the non-chamfer face is downwards used as a positioning reference, the condition that the chamfer is completely distinguished by manual operation in an amount of 100%, the situation that subsequent processed products are scrapped due to the fact that the chamfer is placed upside down can occur, in addition, production of the retainer in the prior art is single-machine operation, after one process is finished, the retainer is carried to the next process for production manually, processing equipment is dispersed, the production efficiency is low, the yield is low, the turnover period of workpieces is long, the yield is low, the labor intensity of personnel is high, the labor cost is.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an automatic production line for an inner ball cage retainer, wherein an automatic feeding and turning system is added before a window grinding process, so that the automatic feeding and the detection of a positioning surface are realized, the retainer with the upward positioning surface is automatically turned, and then is conveyed into a window processing system for window grinding processing, and the retainer is conveyed to an outer circle processing system and a subsequent inner hole processing system through a lifting unit, so that the automatic operation of the line for processing the retainer is realized, one person operates multiple machines, the labor intensity is reduced, the production efficiency is improved, and the turnover period of workpieces is shortened.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic production line for an inner ball cage retainer is characterized by comprising a feeding system, a window processing system, an outer circle processing system, an inner diameter processing system, a turnover system for detecting and turning over the retainer which does not conform to the surface to be processed, and a conveying unit for conveying the turned-over retainer to the window processing system
The turn-over system passes through the support mounting in feeding system's terminal top, it includes:
a rotating unit mounted on the bracket;
a lifting unit mounted on the end of the rotating unit; and
the mechanical detection grabbing unit is arranged at the output end of the lifting unit through a connecting frame and comprises a positioning cylinder matched with the inner shape of the retainer, a plurality of detection positioning mechanisms uniformly distributed on the inner wall of the positioning cylinder and limiting blocks uniformly distributed on the upper end face of the positioning cylinder, each detection positioning mechanism comprises a connecting seat arranged on the inner wall of the positioning cylinder, a swinging rod rotatably arranged on the connecting seat, and a connecting rod a and a connecting rod b rotatably arranged at two ends of the swinging rod, a spring is sleeved on the connecting rod a, and the tail end of the connecting rod a is hinged with a detection part; the tail end of the connecting rod b is hinged with a supporting part; the upper end surface and the lower end surface of the positioning cylinder are respectively and correspondingly provided with a limiting groove a and a limiting groove b which are used for rotatably mounting the detection part and the supporting part;
the window processing system comprises a first feeding unit and a second feeding unit, one end of the first feeding unit is in transitional connection with the feeding system, the other end of the first feeding unit extends into the window processing system, one end of the second feeding unit is in transitional connection with the conveying unit, and the other end of the second feeding unit extends into the window processing system;
the retainer to be processed is conveyed to the turnover system one by one for detection after being sequenced by the feeding system, wherein the retainer with the downward positioning surface is directly conveyed to the first feeding unit, the retainer with the upward positioning surface is turned over by the turnover system and transferred onto the conveying unit and conveyed to the second feeding unit by the conveying unit, the retainers on the first feeding unit and the second feeding unit are continuously conveyed to the window processing system one by one for window grinding processing, after the window grinding processing is finished, the retainer is conveyed to the excircle processing system by the first lifting unit for processing the excircle of the retainer, the retainer with the excircle processing is conveyed to the inner diameter processing system by the second lifting unit for processing the inner diameter of the retainer, and the retainers with the processed inner diameters are output one by one.
As an improvement, the outer end part of the limiting block extends out of the upper end part of the mechanical detection grabbing unit, and the extending part is used for supporting the positioning retainer.
The feeding system comprises a screening disc a and a conveying device, the conveying device comprises a mounting frame and a conveying belt which is rotatably installed on the mounting frame, a discharge hole of the screening disc a is connected with a feed inlet of the conveying belt in a vertical transition mode, a plurality of baffle plates a are arranged on the conveying belt at equal intervals, the width of the conveying belt and the size of the discharge hole of the screening disc a are matched with the diameter D of the outer circle of the retainer.
The device comprises a conveying unit, a lifting unit, a sensor a, a sensor b and a sensor c, wherein the conveying unit is arranged at the bottom of the conveying unit and used for controlling the extending action of the lifting unit, the sensor b is arranged on a connecting frame in a positioning cylinder and used for controlling the rotating action of a rotating unit, and the sensor c is arranged at the bottom of the conveying unit and used for controlling the retracting action of the lifting unit; the horizontal distance between the installation position of the sensor a and the output end of the telescopic unit at the initial position is equal to half of the diameter of the outer circle of the retainer; the sensor b is arranged on the connecting frame and is close to one end of the connecting rod a; the installation position of the sensor c is set at one side of the lifting unit when the lifting unit rotates to be vertical to the conveying unit.
The first feeding unit and the second feeding unit respectively comprise a conveyor belt and a positioning unit arranged above the conveyor belt, the positioning unit comprises a guide assembly, an adjusting piece and a positioning assembly which are arranged in a head-tail transition mode along the transmission direction of the retainer, the guide assembly comprises two guide plates which are arranged in a splayed mode, the adjusting piece is arranged on one side of the guide plate of the guide assembly, and the positioning assembly comprises two positioning rods which are connected with the guide plates in a transition mode.
The first feeding unit is arranged below the second feeding unit, the output end of the first feeding unit and the output end of the second feeding unit are arranged in a staggered mode, and the output end of the first feeding unit is located on the right side of the output end of the second feeding unit.
The size of the feed port of the guide assembly is larger than that of the discharge port, and the size of the discharge port is not smaller than the diameter D of the outer circle of the retainer; the inner side wall of the feeding end of each guide rod is an inclined surface, the inclination direction of the inner side wall is consistent with the direction of the corresponding guide plate, and the distance H1 between the end part of each adjusting piece and the inclined surface of the guide rod arranged opposite to the adjusting piece is smaller than the diameter D of the outer circle of the retainer and larger than the distance H2 between two opposite windows on the retainer.
Wherein the window processing system further comprises
The window processing unit is used for grinding the windows of the retainer conveyed by the first feeding unit and the second feeding unit;
the material taking unit is arranged between the window processing unit and the first feeding unit and between the window processing unit and the second feeding unit and comprises a mechanical gripper capable of moving along the X-axis direction, the Y-axis direction and the Z-axis direction; and
the discharging unit comprises a discharging chute a which is obliquely arranged and a vibrating part which is arranged below the discharging chute a; the feed inlet of ejection of compact spout an is close to the one end of window processing unit, and ejection of compact spout a's feed inlet is higher than the discharge gate setting.
Wherein, still including connecting the hoist system of window system of processing and excircle system of processing, hoist system includes screening unit and first hoisting unit, the screening unit with the setting is accepted to ejection of compact spout a's discharge gate, first hoisting unit with the setting is accepted to the screening unit:
the screening unit comprises a screening disc b, an arc-shaped shifting sheet connected with the output end of a screening motor, a discharge channel obliquely arranged at the edge of the screening disc b, a height limiting baffle arranged at the inlet of the discharge channel, a reversing baffle arranged above the discharge channel and a feeding chute b arranged below the reversing baffle, wherein the tail end of the reversing baffle is arc-shaped, the tail end of the reversing baffle extends out of the discharge channel and is tangent to the chute of the feeding chute b, and the feeding end of the feeding chute b is higher than the discharge end;
first hoisting unit includes that the lifting belt part, the equipartition of vertical setting set up slope piece on the lifting belt part is in with the setting striker plate around the lifting belt part, feed inlet and discharge gate have been seted up respectively to the front and back side of striker plate, the feed inlet with the setting is connected to the discharge gate of feed chute b, the discharge gate passes through feed chute c and institute excircle processing system connects the setting.
The first lifting unit and the second lifting unit are of the same structure.
The invention has the beneficial effects that:
(1) the automatic feeding device automatically feeds materials through the feeding system, the retainer is transmitted to the mechanical detection grabbing unit, the detection of the positioning surface of the retainer is realized by utilizing a lifting unit in the mechanical detection grabbing unit, a positioning cylinder with the matched internal shape of the retainer, a plurality of detection positioning mechanisms uniformly arranged on the inner wall of the positioning cylinder and limiting blocks uniformly arranged on the upper end surface of the positioning cylinder, the retainer with the upward positioning surface is automatically overturned and then is conveyed into the window processing system through the conveying unit, meanwhile, the retainer with the downward positioning surface is conveyed into the window processing system through the feeding system for window processing, the automatic feeding and automatic detection are realized, the phenomenon that products are scrapped due to the fact that the products are leaked and overturned by manual overturning flow into the lower process is avoided.
(2) According to the invention, the windows of the retainer are sequenced through the guide assembly, the adjusting member and the positioning assembly in the positioning unit, so that the direction of the retainer conveyed to the window processing system is consistent, the mechanical arm is convenient to grab and position, the retainer is accurately positioned when the window is ground, the window grinding efficiency and the product quality are improved, and the production efficiency is improved.
(3) According to the invention, through the connecting line design of feeding, detecting turn-over, window grinding, excircle grinding and inner hole grinding, the transfer among different processes is avoided, the transfer period of a product is greatly shortened, the management cost is reduced, the problems of collision and damage of a retainer in the transfer process are reduced, and the like.
In addition, in order to achieve the above object, the present invention provides a full-automatic production process of an inner ball cage retainer, which comprises the following steps of processing the inner ball cage retainer by adopting the automatic production line of the inner ball cage retainer in the above technical scheme:
the method comprises the following steps: a feeding process, namely, filling the retainer blank into a screening disc a, and conveying the blanks one by one to the lower part of the turnover system through a conveying device;
step two: the positioning surface detection procedure comprises the steps that the retainer is conveyed to a retainer right below the turnover system, the sensor a receives a signal, the conveying device stops, the lifting unit extends out at the same time to drive the mechanical detection grabbing unit to move downwards, when the positioning surface is downward, the swinging rod does not act at the moment, no signal is transmitted to the sensor b, the lifting unit retracts, the feeding system works, and the retainer is conveyed to the first feeding unit; when the positioning surface faces upwards, the swinging rod swings to drive the connecting rod b to move, the supporting part is made to be attached to the chamfer of the retainer, the sensor b receives a signal to make the rotating unit work, the retainer clamped by the mechanical detection and grabbing unit rotates to the conveying unit, and when the axis of the lifting unit is vertical to the conveying unit, the sensor c receives a signal to control the lifting unit to retract, the retainer is left on the conveying unit and is conveyed to the second feeding unit through the conveying unit;
step three: the direction of the window is positioned, the retainer is conveyed to the retainer on the feeding unit and is conveyed to the adjusting piece through the guiding of the guide plate, the direction of the window of the retainer is adjusted by the adjusting piece, and the retainer with the consistent direction of the window is conveyed to the window processing system through the guiding of the positioning assembly.
Step four: and (3) window processing, namely, a material taking unit is used for moving the retainer on the conveying unit to a clamping and positioning unit for positioning and clamping, after clamping, a grinding head driving device works to process the window of the retainer, after two symmetrical windows are processed, the clamping and positioning unit rotates to transfer the unprocessed window to a processing station for window processing until all windows are processed, the clamping and positioning unit loosens the retainer, the material taking unit moves the processed retainer to a discharge chute a, and the retainer processed by the window is conveyed to a screening disc b through the vibration of a vibration part below the discharge chute a.
Step five: the direction of the retainer is changed, the retainer after the window is processed is shifted by the shifting sheet in the screening disc b, the retainer rotates in the screening disc b, the retainer is changed into a vertical direction through the discharging channel one by one under the combined action of the height limiting baffle at the inlet of the discharging channel and the reversing of the reversing baffle, and the retainer falls into the feeding chute b to be beneficial to rolling conveying.
Step six: and (4) machining the outer circle, wherein the retainer in the feeding chute b is lifted by the lifting unit, and the retainer is conveyed to the outer circle machining system one by one to machine the outer circle of the retainer.
Step seven: and (4) inner diameter machining, namely conveying the retainer subjected to outer circle machining to an inner diameter machining system through the conveying of the lifting unit, and outputting the retainer one by one through the machined retainer through a chute e.
In conclusion, the automatic feeding device has the advantages of high automation degree, high production efficiency, low labor intensity of personnel and the like.
Drawings
FIG. 1 is a schematic structural diagram of a blank of a ball cage retainer of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural diagram of a feeding system and a turnover system of the invention;
FIG. 4 is a schematic structural view of a feed inlet of the first feeding unit and the second feeding unit;
FIG. 5 is a schematic structural diagram of a mechanical inspection and grabbing unit according to the present invention;
FIG. 6 is a cross-sectional view of a mechanical inspection grasping unit of the present invention;
FIG. 7 is a cross-sectional view of a first lifting unit of the present invention;
FIG. 8 is a schematic view of a window processing system according to the present invention;
FIG. 9 is a second schematic view of the overall structure of the present invention;
FIG. 10 is a schematic view of the loading system of the present invention in use;
FIG. 11 is a schematic view of a use state of the turn-over system according to the present invention;
FIG. 12 is a second schematic view of the use state of the turn-over system of the present invention;
FIG. 13 is a third schematic view of the use state of the turn-over system of the present invention;
FIG. 14 is a fourth schematic view of the use state of the turn-over system of the present invention;
FIG. 15 is a schematic view of a first feeding unit in use according to the present invention;
FIG. 16 is a schematic view of a lifting system according to the present invention in use;
FIG. 17 is a schematic process flow diagram according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
As shown in fig. 2, 3, 5 and 6, an automatic production line for an inner ball cage retainer comprises a feeding system 1, a window processing system 2, an outer circle processing system 3, an inner diameter processing system 4, a turnover system 5 for detecting and turning over a retainer which does not conform to a surface to be processed, and a conveying unit 6 for conveying the turned-over retainer into the window processing system 2;
the turnover system 5 is installed above the tail end of the feeding system 1 through a bracket 51, and comprises:
a rotating unit 52 mounted on the bracket 51;
a lifting unit 53 attached to an end of the rotating unit 52; and
the mechanical detection grabbing unit 54 is mounted at the output end of the lifting unit 53 through a connecting frame 541, and comprises a positioning cylinder 542 matched with the inner shape of the retainer, a plurality of detection positioning mechanisms 543 uniformly mounted on the inner wall of the positioning cylinder 542, and limiting blocks 5438 uniformly arranged on the upper end face of the positioning cylinder 542, wherein the detection positioning mechanisms 543 comprise a connecting seat 5431 arranged on the inner wall of the positioning cylinder 542, a swing rod 5432 rotatably mounted on the connecting seat 5431, and a connecting rod a5433 and a connecting rod b5434 rotatably mounted at two ends of the swing rod 5432, the connecting rod a5433 is sleeved with a spring 5435, and the tail end of the connecting rod a5433 is hinged with a detection part 5436; the tail end of the connecting rod b5434 is hinged with a supporting part 5437; the upper end face and the lower end face of the positioning cylinder 542 are correspondingly provided with a limiting groove a5421 and a limiting groove b5422 which are used for rotatably mounting the detection part 5436 and the support part 5437 respectively;
it should be noted that two ends of the spring 5435 are respectively connected to the positioning tube 542 and the detecting portion 5436, and the limiting groove a5421 and the limiting groove b5422 both penetrate through the outer circumferential surface of the positioning tube 542;
the window processing system 2 comprises a first feeding unit 21 and a second feeding unit 22, one end of the first feeding unit 21 is in transition connection with the feeding system 1, the other end of the first feeding unit extends into the window processing system 2, one end of the second feeding unit 22 is in transition connection with the conveying unit 6, and the other end of the second feeding unit extends into the window processing system 2;
the retainer to be processed is conveyed to the turnover system 5 one by one for detection after being sequenced by the feeding system 1, wherein the retainer with the downward positioning surface is directly conveyed to the first feeding unit 21, the retainer with the upward positioning surface is turned over by the turnover system 5 and transferred to the conveying unit 6, and conveyed to the second feeding unit 22 by the conveying unit 6, the retainers on the first feeding unit 21 and the second feeding unit 22 are continuously conveyed to the window processing system 2 one by one for window grinding processing, after the window grinding processing is finished, the retainer is conveyed to the excircle processing system 3 by the first lifting unit 72 for processing the excircle of the retainer, the retainer with the excircle processing finished is conveyed to the inner diameter processing system 4 by the second lifting unit 75 for processing the inner diameter of the retainer, and the retainer with the machined inner diameter is output one by one.
As a modification, an outer end portion of the stopper 5438 protrudes from an upper end portion of the mechanical detection grasping unit 54, and the protruding portion is used to support the positioning holder.
As shown in fig. 11, when the retainer is conveyed by the conveyor belt 121 to the position right below the turnover system 5, the sensor a81 receives a signal, the conveyor 12 stops, and the lifting unit 53 extends out to drive the mechanical detection grabbing unit 54 to move downward, so as to detect the positioning surface of the retainer.
As shown in fig. 12, when the positioning surface of the holder faces downward, the detection portion 5436 is not acted on by the end surface of the holder because the chamfer faces upward, the swing lever 5432 is not operated, no signal is transmitted to the sensor b82, the lifting unit 53 is retracted, the loading system 1 operates, and the holder is conveyed to the first feeding unit 21.
As shown in fig. 13, when the positioning surface of the holder faces upward, since the non-chamfered surface faces upward, the detection portion 5436 is rotated by the end surface of the holder, and drives the swing rod 5432 to swing, and drives the connecting rod b5434 to move, so that the supporting portion 5437 abuts against the chamfered surface of the holder, and the sensor b82 receives a signal, so that the rotating unit 52 operates to rotate the holder held by the mechanical detection grabbing unit 54 to the conveying unit 6.
As shown in fig. 14, when the axis of the lifting unit 53 is perpendicular to the conveying unit 6, the sensor c83 receives a signal to control the lifting unit 53 to retract, to leave the holder on the conveying unit 6, and to convey the holder to the second feeding unit 22 via the conveying unit 6.
As shown in fig. 3, the feeding system 1 includes a screening disc a11 and a conveying device 12, the conveying device 12 includes a mounting frame 122 and a conveying belt 121 rotatably mounted on the mounting frame 122, a discharge port of the screening disc a11 is vertically and transitionally connected with a feed port of the conveying belt 121, a plurality of baffles a122 are equidistantly arranged on the conveying belt 121, and a distance between two adjacent baffles a122, a width dimension of the conveying belt 121 and a dimension of a discharge port of the screening disc a11 are all adapted to an outer diameter dimension D of the holder.
Wherein, the device further comprises a sensor a81 arranged at the bottom of the conveying unit 6 and used for controlling the extending action of the lifting unit 53, a sensor b82 arranged on the connecting frame 541 in the positioning cylinder 542 and used for controlling the rotating action of the rotating unit 52, and a sensor c83 arranged at the bottom of the conveying unit 6 and used for controlling the retracting action of the lifting unit 53; the horizontal distance between the installation position of the sensor a81 and the output end of the telescopic unit at the initial position is equal to half of the diameter of the outer circle of the retainer; the sensor b82 is mounted on the connecting frame 541 and is arranged close to one end of the connecting rod a 5433; the installation position of the sensor c83 is set on the side where the elevation unit 53 is rotated to be perpendicular to the conveyance unit 6.
As shown in fig. 3, each of the first feeding unit 21 and the second feeding unit 22 includes a conveyor belt 211 and a positioning unit 212 disposed above the conveyor belt 211, the positioning unit 212 includes a guide assembly 2121, an adjusting member 213 and a positioning assembly 214 disposed end to end along the transmission direction of the holder, the guide assembly 2121 includes two guide plates 21211 arranged in a "v" shape, the adjusting member 213 is disposed on the guide plate 21211 on one side of the guide assembly 2121, and the positioning assembly 214 includes two positioning rods 2141 respectively connected to the guide plates 21211 in a transition manner.
As shown in fig. 15, when the retainer is conveyed to the adjusting member 213, the window of the retainer is blocked by the adjusting member 213, so that the retainer rotates counterclockwise, the window is conveyed forward in parallel with the positioning assembly, and finally the direction of the window of the retainer is reached, so as to meet the requirement of subsequent positioning.
The first feeding unit 21 is disposed below the second feeding unit 22, an output end of the first feeding unit 21 and an output end of the second feeding unit 22 are disposed in a staggered manner, and an output end of the first feeding unit 21 is located on the right side of an output end of the second feeding unit 22.
As shown in fig. 4, the size of the feed port of the guide assembly 2121 is larger than that of the discharge port, and the size of the discharge port is not smaller than the outer diameter D of the retainer; the inner side wall of the feeding end of the guide rod is an inclined surface, the inclined direction of the inner side wall is consistent with the direction of the corresponding guide plate 21211, and the distance H1 between the end part of the adjusting part 213 and the inclined surface of the guide rod arranged opposite to the end part is smaller than the diameter dimension D of the outer circle of the retainer and larger than the distance H2 between two opposite windows on the retainer.
As shown in FIG. 8, the window machining system 2 further includes
The window processing unit 23 is used for grinding the windows of the holders conveyed by the first feeding unit 21 and the second feeding unit 22;
a material taking unit 24, wherein the material taking unit 24 is arranged between the window processing unit 23 and the first feeding unit 21 and the second feeding unit 22, and comprises a mechanical gripper 241 capable of moving along the directions of the X axis, the Y axis and the Z axis; and
the discharging unit 25 comprises a discharging chute a251 which is obliquely arranged and a vibrating part which is arranged below the discharging chute a 251; the feeding hole of the discharging chute a251 is close to one end of the window processing unit, and the feeding hole of the discharging chute a251 is higher than the discharging hole;
it should be noted that the operation principle of the window processing unit 23 is the prior art, and refer to the application document CN 103381498B.
As shown in fig. 1, the device further includes a lifting system 7 connecting the window processing system 2 and the excircle processing system 3, the lifting system 7 includes a screening unit 71 and a first lifting unit 72, the screening unit 71 is connected to the discharge port of the discharge chute a251, the first lifting unit 72 is connected to the screening unit 71:
the screening unit 71 comprises a screening disc b711, an arc-shaped shifting piece 712 connected with the output end of the screening motor, a discharge channel 713 obliquely arranged at the edge of the screening disc b711, a height-limiting baffle 714 arranged at the inlet of the discharge channel 713, a reversing baffle 715 arranged above the discharge channel 713 and a feeding chute b73 arranged below the reversing baffle 715, wherein the tail end of the reversing baffle 715 is arc-shaped, the tail end of the reversing baffle 715 extends out of the discharge channel 713 and is tangentially arranged with the chute of the feeding chute b73, and the feeding end of the feeding chute b73 is higher than the discharging end;
the first lifting unit 72 comprises a vertically arranged lifting belt component 721, an inclined block 722 uniformly arranged on the lifting belt component 721 and a material baffle 723 arranged around the lifting belt component 721, wherein the front side and the rear side of the material baffle 723 are respectively provided with a feeding hole and a discharging hole, the feeding hole is connected with the discharging hole of the feeding chute b73, and the discharging hole is connected with the outer circle processing system 3 through a feeding chute c 31.
The first lifting unit 72 and the second lifting unit 75 have the same structure.
As shown in fig. 16, the holders output by the window processing unit are sorted by the screening unit 71, and are conveyed to the chute b73 along the discharge channel 713, and the horizontal arrangement of the holders is changed into the vertical arrangement by the reversing baffle 715, so that the holders can be conveniently conveyed in a rolling manner.
Example two
Fig. 9 is a schematic structural diagram of a second embodiment of an automated production line for an inner ball cage according to the present invention; as shown in fig. 9, in which the same or corresponding components as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, only the points different from the first embodiment will be described below for the sake of convenience. The second embodiment differs from the first embodiment shown in fig. 2-8 in that:
the window processing system 2 can be matched with the multiple outer circle processing systems 3 and the inner diameter processing system 4 according to the actual production rhythm, so that the matching of different working position processing rhythms is realized, the production efficiency is improved, and the equipment investment cost is reduced.
EXAMPLE III
The fully automatic production process of the inner ball cage retainer of the invention is described with reference to the first embodiment,
as shown in fig. 17, a full-automatic production process of an inner ball cage retainer comprises the following steps:
the method comprises the following steps: a feeding process, namely, the retainer blanks are loaded into a screening disc a11, and the blanks are conveyed to the lower part of the turnover system 5 one by one through a conveying device 12;
step two: a locating surface detection procedure, namely conveying the retainer to a position just below the turnover system 5, wherein the sensor a81 receives a signal, the conveying device 12 stops, the lifting unit 53 extends out to drive the mechanical detection grabbing unit 54 to move downwards, when the locating surface is downward, the swinging rod 5432 does not move, no signal is transmitted to the sensor b82, the lifting unit 53 retracts, the feeding system 1 works, and the retainer is conveyed to the first feeding unit 21; when the positioning surface is upward, the detection part 5436 is rotated under the action of the end surface of the holder at this time, the swing rod 5432 is driven to swing, the connecting rod b5434 is driven to move, the supporting part 5437 is made to be attached to the chamfer of the holder, the sensor b82 receives a signal, the rotating unit 52 is made to work, the holder clamped by the mechanical detection grabbing unit 54 is rotated to the conveying unit 6, when the axis of the lifting unit 53 is vertical to the conveying unit 6, the sensor c83 receives a signal, the lifting unit 53 is controlled to retract, the holder is left on the conveying unit 6, and the holder is conveyed to the second feeding unit 22 through the conveying unit 6;
step three: the orientation of the windows is determined, the retainer is conveyed to the feeding unit, guided by the guide plate 21211, and conveyed to the adjusting member 213, the orientation of the windows of the retainer is adjusted by the adjusting member 213, and the retainer with the same orientation of the windows is conveyed to the window processing system 2 by being guided by the positioning assembly 214.
Step four: and (3) window processing, namely, using the material taking unit 24 to move the retainer on the conveying unit 6 to the clamping and positioning unit 212 for positioning and clamping, after clamping, working the grinding head driving device to process the windows of the retainer, after two symmetrical windows are processed, rotating the clamping and positioning unit 212 to transfer the unprocessed windows to a processing station for window processing until all windows are processed, loosening the retainer by the clamping and positioning unit 212, moving the processed retainer into the discharging chute a251 by the material taking unit 24, and conveying the retainer processed by the windows into the screening disc b711 through the vibration of the vibration part below the discharging chute a 251.
Step five: the direction of the retainer is changed, the retainer after the window processing is shifted by the shifting sheet in the screening disc b711 and rotates in the screening disc b711, the retainer passes through the discharging channel 713 one by one under the combined action of the height limiting baffle 714 at the inlet of the discharging channel 713, and the horizontally placed retainer is changed into the vertical direction through the reversing of the reversing baffle 715 and falls into the feeding chute b73, so that the rolling conveying is facilitated.
Step six: and (3) excircle processing, namely lifting the retainer in the feeding chute b73 by a lifting unit, and conveying the retainer to the excircle processing system 3 one by one to process the excircle of the retainer.
Step seven: and (4) inner diameter machining, namely conveying the retainer subjected to outer circle machining to an inner diameter machining system 4 through the conveying of the lifting unit, and outputting the retainer one by one through the machined retainer through a chute e.
The working process is as follows:
the method comprises the following steps: a feeding process, namely, the retainer blanks are loaded into a screening disc a11, and the blanks are conveyed to the lower part of the turnover system 5 one by one through a conveying device 12;
step two: a locating surface detection procedure, namely conveying the retainer to a position just below the turnover system 5, wherein the sensor a81 receives a signal, the conveying device 12 stops, the lifting unit 53 extends out to drive the mechanical detection grabbing unit 54 to move downwards, when the locating surface is downward, the swinging rod 5432 does not move, no signal is transmitted to the sensor b82, the lifting unit 53 retracts, the feeding system 1 works, and the retainer is conveyed to the first feeding unit 21; when the positioning surface is upward, the detection part 5436 is rotated under the action of the end surface of the holder at this time, the swing rod 5432 is driven to swing, the connecting rod b5434 is driven to move, the supporting part 5437 is made to be attached to the chamfer of the holder, the sensor b82 receives a signal, the rotating unit 52 is made to work, the holder clamped by the mechanical detection grabbing unit 54 is rotated to the conveying unit 6, when the axis of the lifting unit 53 is vertical to the conveying unit 6, the sensor c83 receives a signal, the lifting unit 53 is controlled to retract, the holder is left on the conveying unit 6, and the holder is conveyed to the second feeding unit 22 through the conveying unit 6;
step three: the orientation of the windows is determined, the retainer is conveyed to the feeding unit, guided by the guide plate 21211, and conveyed to the adjusting member 213, the orientation of the windows of the retainer is adjusted by the adjusting member 213, and the retainer with the same orientation of the windows is conveyed to the window processing system 2 by being guided by the positioning assembly 214.
Step four: and (3) window processing, namely, using the material taking unit 24 to move the retainer on the conveying unit 6 to the clamping and positioning unit 212 for positioning and clamping, after clamping, working the grinding head driving device to process the windows of the retainer, after two symmetrical windows are processed, rotating the clamping and positioning unit 212 to transfer the unprocessed windows to a processing station for window processing until all windows are processed, loosening the retainer by the clamping and positioning unit 212, moving the processed retainer into the discharging chute a251 by the material taking unit 24, and conveying the retainer processed by the windows into the screening disc b711 through the vibration of the vibration part below the discharging chute a 251.
Step five: the direction of the retainer is changed, the retainer after the window processing is shifted by the shifting sheet in the screening disc b711 and rotates in the screening disc b711, the retainer passes through the discharging channel 713 one by one under the combined action of the height limiting baffle 714 at the inlet of the discharging channel 713, and the horizontally placed retainer is changed into the vertical direction through the reversing of the reversing baffle 715 and falls into the feeding chute b73, so that the rolling conveying is facilitated.
Step six: and (3) excircle processing, namely lifting the retainer in the feeding chute b73 by a lifting unit, and conveying the retainer to the excircle processing system 3 one by one to process the excircle of the retainer.
Step seven: and (4) inner diameter machining, namely conveying the retainer subjected to outer circle machining to an inner diameter machining system 4 through the conveying of the lifting unit, and outputting the retainer one by one through the machined retainer through a chute e.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An automatic production line of an inner ball cage retainer is characterized by comprising a feeding system (1), a window processing system (2), an outer circle processing system (3), an inner diameter processing system (4), a turnover system (5) for detecting and turning over the retainer which does not conform to the surface to be processed, and a conveying unit (6) for conveying the turned-over retainer into the window processing system (2);
the turn-over system (5) is installed above the tail end of the feeding system (1) through a support (51), and comprises:
a rotating unit (52) mounted on the bracket (51);
a lifting unit (53) which is mounted on the end part of the rotating unit (52); and
the mechanical detection grabbing unit (54) is installed at the output end of the lifting unit (53) through a connecting frame (541) and comprises a positioning cylinder (542) matched with the inner shape of the retainer, a plurality of detection positioning mechanisms (543) uniformly installed on the inner wall of the positioning cylinder (542) and limiting blocks (5438) uniformly arranged on the upper end face of the positioning cylinder (542), each detection positioning mechanism (543) comprises a connecting seat (5431) arranged on the inner wall of the positioning cylinder (542), a swing rod (5432) rotatably installed on the connecting seat (5431) and connecting rods a (5433) and b (5434) rotatably installed at two ends of the swing rod (5432), a spring (5435) is sleeved on each connecting rod a (5433), and the tail end of each connecting rod a is hinged with a detection part (5436); the tail end of the connecting rod b (5434) is hinged with a supporting part (5437); the upper end face and the lower end face of the positioning cylinder (542) are respectively and correspondingly provided with a limiting groove a (5421) and a limiting groove b (5422) which are used for rotatably mounting the detection part (5436) and the support part (5437);
the window processing system (2) comprises a first feeding unit (21) and a second feeding unit (22), one end of the first feeding unit (21) is in transitional connection with the feeding system (1), the other end of the first feeding unit extends to the inside of the window processing system (2), one end of the second feeding unit (22) is in transitional connection with the conveying unit (6), and the other end of the second feeding unit extends to the inside of the window processing system (2);
the retainer to be processed is sequenced by the feeding system (1), then is conveyed to the turnover system (5) one by one for detection, wherein the retainer with the downward positioning surface is directly conveyed to the first feeding unit (21), the retainer with the upward positioning surface is turned over by the turnover system (5) and transferred to the conveying unit (6) and conveyed to the second feeding unit (22) by the conveying unit (6), the retainers on the first feeding unit (21) and the second feeding unit (22) are continuously conveyed to the window processing system (2) one by one for window grinding processing, after the window grinding processing is finished, the retainers on the outer circle processing are conveyed to the outer circle processing system (3) by the first lifting unit (72) for processing the outer circle of the retainer, the retainer with the outer circle processing is conveyed to the inner diameter processing system (4) by the second lifting unit (75) for processing the inner diameter of the retainer, outputting the holders with the processed inner diameters one by one.
2. The automatic production line of the inner ball cage retainer as claimed in claim 1, wherein: the outer end part of the limiting block (5438) extends out of the upper end part of the mechanical detection grabbing unit (54), and the extending part is used for supporting the positioning retainer.
3. The automatic production line of the inner ball cage retainer as claimed in claim 1, wherein: the feeding system (1) comprises a screening disc a (11) and a conveying device (12), the conveying device (12) comprises an installation frame (122) and a conveying belt (121) installed on the installation frame (122) in a rotating mode, a discharge port of the screening disc a (11) is connected with a feed inlet of the conveying belt (121) in a perpendicular transition mode, a plurality of baffle plates a (122) are equidistantly arranged on the conveying belt (121), and the distance between every two adjacent baffle plates a (122), the width size of the conveying belt (121) and the size of the discharge port of the screening disc a (11) are matched with the outer circle diameter size D of the retainer.
4. The automatic production line of the inner ball cage retainer as claimed in claim 1, wherein: the device also comprises a sensor a (81) which is arranged at the bottom of the conveying unit (6) and is used for controlling the extending action of the lifting unit (53), a sensor b (82) which is arranged on a connecting frame (541) in the positioning cylinder (542) and is used for controlling the rotating action of the rotating unit (52), and a sensor c (83) which is arranged at the bottom of the conveying unit (6) and is used for controlling the contracting action of the lifting unit (53); the horizontal distance between the installation position of the sensor a (81) and the output end of the telescopic unit at the initial position is equal to half of the diameter of the outer circle of the retainer; the sensor b (82) is arranged on the connecting frame (541) and is close to one end of the connecting rod a (5433); the installation position of the sensor c (83) is set on the side where the elevation unit (53) is rotated to be perpendicular to the conveyance unit (6).
5. The automatic production line of the inner ball cage retainer as claimed in claim 1, wherein: the first feeding unit (21) and the second feeding unit (22) both comprise a conveyor belt (211) and a positioning unit (212) arranged above the conveyor belt (211), the positioning unit (212) comprises a guide assembly (2121), an adjusting piece (213) and a positioning assembly (214) which are arranged in a head-tail transition mode along the transmission direction of the retainer, the guide assembly (2121) comprises two guide plates (21211) which are arranged in an 'eight' shape, the adjusting piece (213) is arranged on the guide plate (21211) on one side of the guide assembly (2121), and the positioning assembly (214) comprises two positioning rods (2141) which are respectively in transition connection with the guide plates (21211).
6. The automatic production line of the inner ball cage retainer as claimed in claim 1, wherein: the first feeding unit (21) is arranged below the second feeding unit (22), the output end of the first feeding unit (21) and the output end of the second feeding unit (22) are arranged in a staggered mode, and the output end of the first feeding unit (21) is located on the right side of the output end of the second feeding unit (22).
7. The automatic production line of the inner ball cage retainer as claimed in claim 4, wherein: the size of a feed inlet of the guide assembly (2121) is larger than that of a discharge outlet, and the size of the discharge outlet is not smaller than the diameter D of the outer circle of the retainer; the inner side wall of the feeding end of each guide rod is an inclined surface, the inclination direction of the inner side wall is consistent with the direction of the corresponding guide plate (21211), and the distance H1 between the end part of each adjusting piece (213) and the inclined surface of the guide rod arranged opposite to the end part of each adjusting piece is smaller than the diameter D of the outer circle of the retainer and larger than the distance H2 between two opposite windows on the retainer.
8. The automatic production line of the inner ball cage retainer as claimed in claim 1, wherein: the window processing system (2) further comprises
The window processing unit (23), the window processing unit (23) is used for grinding the windows of the retainer conveyed by the first feeding unit (21) and the second feeding unit (22);
a material taking unit (24), wherein the material taking unit (24) is arranged between the window processing unit (23) and the first feeding unit (21) and the second feeding unit (22), and comprises a mechanical gripper (241) capable of moving along the X-axis direction, the Y-axis direction and the Z-axis direction; and
the discharging unit (25) comprises a discharging chute a (251) which is obliquely arranged and a vibrating part which is arranged below the discharging chute a (251); the feeding hole of the discharging chute a (251) is close to one end of the window processing unit (23), and the feeding hole of the discharging chute a (251) is higher than the discharging hole.
9. The automatic production line of the inner ball cage retainer as claimed in claim 1, wherein: still including connecting lift system (7) of window system of processing (2) and excircle system of processing (3), lift system (7) are including screening unit (71) and first hoisting unit (72), screening unit (71) with the discharge gate of ejection of compact spout a (251) is accepted and is set up, first hoisting unit (72) with screening unit (71) are accepted and are set up:
the screening unit (71) comprises a screening disc b (711), an arc-shaped shifting sheet (712) connected with the output end of the screening motor, a discharge channel (713) obliquely arranged at the edge of the screening disc b (711), a height limiting baffle (714) arranged at the inlet of the discharge channel (713), a reversing baffle (715) arranged above the discharge channel (713) and a feeding chute b (73) arranged below the reversing baffle (715), wherein the tail end of the reversing baffle (715) is arc-shaped, the tail end of the reversing baffle extends out of the discharge channel (713) and is tangent to a chute of the feeding chute b (73), and the feeding end of the feeding chute b (73) is higher than the discharge end;
first hoisting unit (72) set up including the lifting belt part (721), the equipartition of vertical setting tilting block (722) on lifting belt part (721) and setting up striker plate (723) around lifting belt part (721), feed inlet and discharge gate have been seted up respectively to the front and back side of striker plate (723), the feed inlet with the discharge gate of feeding spout b (73) is connected the setting, the discharge gate passes through feeding spout c (31) and institute excircle processing system (3) are connected the setting.
The first lifting unit (72) and the second lifting unit (75) have the same structure.
10. A full-automatic production process of an inner ball cage retainer, which is characterized in that the steps of processing the inner ball cage retainer by adopting the automatic production line of the inner ball cage retainer according to any one of the claims 1 to 9 are as follows:
the method comprises the following steps: a feeding process, namely, the retainer blanks are loaded into a screening disc a (11), and the blanks are conveyed to the lower part of the turnover system (5) one by one through a conveying device (12);
step two: the positioning surface detection process comprises the steps that the retainer is conveyed to a retainer right below the turnover system (5), the sensor a (81) receives a signal, the conveying device (12) stops, the lifting unit (53) extends out at the same time to drive the mechanical detection grabbing unit (54) to move downwards, when the positioning surface is faced downwards, the swinging rod (5432) does not move, no signal is transmitted to the sensor b (82), the lifting unit (53) retracts, the feeding system (1) works, and the retainer is conveyed to the first feeding unit (21); when the positioning surface faces upwards, because the non-chamfered surface faces upwards, the detection part (5436) rotates under the action of the end surface of the retainer, the swinging rod (5432) is driven to swing, the connecting rod b (5434) is driven to move, the supporting part (5437) is made to be attached to the chamfered surface of the retainer, the sensor b (82) receives a signal, the rotating unit (52) works, the retainer clamped by the mechanical detection and grabbing unit (54) is rotated to the conveying unit (6), when the axis of the lifting unit (53) is vertical to the conveying unit (6), the sensor c (83) receives a signal, the lifting unit (53) is controlled to retract, the retainer is left on the conveying unit (6), and the retainer is conveyed to the second feeding unit (22) through the conveying unit (6);
step three: the retainer is conveyed to the retainer on the feeding unit in the direction of the window, the retainer is conveyed to the adjusting piece (213) through the guide of the guide plate (21211), the direction of the window of the retainer is adjusted by the adjusting piece (213), and the retainer with the consistent direction of the window is conveyed into the window processing system (2) through the guide of the positioning assembly (214).
Step four: and (2) window processing, namely, using a material taking unit (24), moving the retainer on the conveying unit (6) to a clamping and positioning unit (212) for positioning and clamping, after clamping, working a grinding head driving device, processing the window of the retainer, after processing two symmetrical windows, rotating the clamping and positioning unit (212), transferring the unprocessed window to a processing station for window processing until all windows are processed, loosening the retainer by the clamping and positioning unit (212), moving the processed retainer to a discharge chute a (251) by the material taking unit (24), and conveying the retainer processed by the window to a screening disc b (711) through vibration of a vibration part below the discharge chute a (251).
Step five: the direction of the retainer is changed, the retainer after window processing is shifted by the shifting sheet in the screening disc b (711) and rotates in the screening disc b (711), the height limiting baffle (714) at the inlet of the discharging channel (713) acts together to enable the retainer to pass through the discharging channel (713) one by one, and the retainer which is horizontally placed is changed into a vertical direction through the reversing of the reversing baffle (715) and falls into the feeding chute b (73), so that the rolling conveying is facilitated.
Step six: and (3) excircle processing, namely lifting the retainer in the feeding chute b (73) by a lifting unit, and conveying the retainer to an excircle processing system (3) one by one to process the excircle of the retainer.
Step seven: and (3) inner diameter machining, namely conveying the retainer subjected to outer circle machining to an inner diameter machining system (4) through the conveying of the lifting unit, carrying out inner diameter machining on the retainer, and outputting the retainer one by one through the machined retainer through a chute e.
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