CN213438498U

CN213438498U - Robot jig for brake disc machining robot feeding and discharging production line

Info

Publication number: CN213438498U
Application number: CN202022324354.5U
Authority: CN
Inventors: 王佳佳; 谢通; 张晓波; 赵昌龙
Original assignee: Qingdao Wisdom Automation Equipment Co ltd
Current assignee: Qingdao Wisdom Automation Equipment Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-15
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a go up unloading robot tool for production line on brake disc machining robot, including tool and controller, the tool that controller control and robot arm are connected takes place the action, and the tool includes the backup pad, adsorption structure, back adsorption structure before being equipped with in the backup pad, back adsorption structure is the same with preceding adsorption structure, preceding adsorption structure includes axle sleeve, mandrel seat, dabber pole, compression spring and electromagnet, and compression spring presses the dabber seat in the top surface department of inner chamber, and the dabber pole can be driven to slide around the inner chamber, the end-to-end connection of dabber pole has electromagnet, and the tool can take out the brake disc of treating processing on the supplementary turn-over mechanism and carry and continue processing on the numerical control machine tool chuck to can take out the brake disc that has already processed on the numerical control machine tool chuck. The utility model discloses simple structure, small in size can realize unloading in the automation under the prerequisite of guaranteeing higher product quality, and work efficiency is high.

Description

Robot jig for brake disc machining robot feeding and discharging production line

Technical Field

The utility model relates to a foraminiferous disc class work piece processing technology field specifically is a brake disc machine tooling robot goes up unloading robot tool for production line.

Background

Currently, a mechanical clamping jaw or a vacuum chuck jig is generally adopted for feeding and discharging in a feeding and discharging link of a disc part machining robot. The two feeding and discharging modes have the following defects in the feeding and discharging link of the brake disc machining robot:

firstly, a workpiece is easy to damage or a workpiece is easy to drop due to insufficient clamping force, when a brake disc is machined, the contact place of a mechanical clamping jaw and the brake disc is basically in line contact, the surface of the brake disc is damaged due to too large clamping force, and the workpiece is easy to drop due to too small clamping force and insufficient friction force; the vacuum chuck is adopted, so that the phenomenon of part falling is caused due to insufficient suction and air leakage. When the brake disc is machined, the vacuum chuck is adopted and limited by the structural size of the brake disc, the diameter of the vacuum chuck cannot be too large, the suction force cannot be insufficient due to the fact that the diameter of the vacuum chuck is not large, and in addition, due to the fact that the surface of the brake disc to be machined is rough, parts are prone to falling due to air leakage in the adsorption process.

Secondly, the existing robot jig has poor applicability to brake discs with different sizes and specifications, for example, a mechanical clamping jaw jig with one size is only applicable to a brake disc with one size and specification, so that the traditional Chinese medicine production is provided with feeding and discharging jigs with various specifications, and the production cost of enterprises is increased.

In view of the above problems, it is urgently needed to design a robot jig which can stably clamp a brake disc, is not easy to drop the brake disc, has a wide application range and is high in automation degree.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a go up unloading robot tool for production line on brake disc machining robot. The robot jig solves the technical problems that in the prior art, the robot jig is easy to damage workpieces or drop workpieces in the brake disc clamping process, and the applicability of the robot jig is poor, and can ensure good clamping effect on the brake disc and the technical effect that the robot jig can be suitable for brake discs of various specifications. The adopted technical scheme is as follows:

a robot jig for a brake disc machining robot feeding and discharging production line comprises a jig and a controller, wherein the controller controls the jig connected with a robot arm to move, the jig comprises a supporting plate, a U-shaped groove is formed in the side wall of the supporting plate, a support shaft on an auxiliary turn-over mechanism enters the U-shaped groove and is placed in the U-shaped groove, an outward front adsorption structure is arranged in the front of the supporting plate, an outward rear adsorption structure is arranged on the rear of the supporting plate, the rear adsorption structure is the same as the front adsorption structure, the front adsorption structure comprises a shaft sleeve, a mandrel base, a mandrel rod, a compression spring and an electromagnetic chuck, the shaft sleeve is connected with the supporting plate and is provided with an inner cavity, the compression spring is placed in the inner cavity, one end of the compression spring is arranged on the bottom surface of the inner cavity, and the other end of the compression spring presses the mandrel base, and the mandrel base can slide in the inner cavity back and forth, the mandrel rod is convexly arranged on the mandrel base and extends out of the outer end face of the shaft sleeve, the tail end of the mandrel rod is connected with an electromagnetic chuck, the electromagnetic chuck is electrically connected with the controller, the jig takes out the brake disc to be machined on the auxiliary turn-over mechanism through a rear adsorption structure on the back and conveys the brake disc to the chuck of the numerical control machine tool for continuous machining under the action of the controller, and the jig takes out the machined brake disc on the chuck of the numerical control machine tool through a front adsorption structure on the front and places the next brake disc to be machined.

On the basis of above-mentioned technical scheme, preceding adsorption structure in the backup pad sets up with the back adsorption structure symmetry, and the axle sleeve of preceding adsorption structure is coaxial with the axle sleeve of back adsorption structure, be equipped with the slot hole along radial setting in the backup pad, be equipped with in the slot hole with slot hole lateral wall clearance fit's connecting block, the thickness of connecting block is not more than and is equipped with a plurality of axial through-holes on the degree of depth and the connecting block of slot hole, still includes bolt assembly, bolt assembly include the bolt and with bolt complex nut, the bolt end pass locate the back through-hole on the back adsorption structure, locate the through-hole on the connecting block and locate preceding through-hole on the preceding adsorption structure to adsorption structure, back adsorption structure compress tightly on the front and back of backup pad before will.

On the basis of the technical scheme, the front adsorption structure further comprises a first proximity switch connected with the controller, and the first proximity switch is detachably connected with the supporting plate through a connecting frame; the first proximity switch is used for judging whether the jig tightly presses the brake disc in place on the numerical control machine tool chuck.

On the basis of the technical scheme, the connecting frame is connected with the supporting plate through a bolt assembly, the bolt assembly comprises a bolt and a nut, and the connecting frame can rotate by taking the bolt as an axis through adjusting the bolt and the nut.

On the basis of the technical scheme, the front adsorption structure further comprises a second proximity switch linked with the mandrel rod, the second proximity switch is used for judging whether a brake disc on the jig falls off in the moving process, and if the second proximity switch falls off, a signal is sent to the controller to give an alarm.

On the basis of the technical scheme, the front adsorption structure further comprises a blowing nozzle linked with the mandrel rod, a spray hole of the blowing nozzle faces upwards and towards the inner side and is used for blowing and cleaning the surface of the brake disc, and the blowing nozzle is connected with a compressed air source through an air path pipeline. Preferably, the air blowing nozzle is connected with the air path pipeline through an internal thread quick connector, and the air blowing nozzle is an air pipe quick screwed connector connected with the internal thread quick connector.

On the basis of the technical scheme, the novel bearing bush further comprises a limiting bolt, a key groove is formed in the core shaft rod, a threaded hole is formed in the corresponding position of the outer side wall of the shaft sleeve, and the tail end of the bolt penetrates through the threaded hole and extends into the key groove.

On the basis of the technical scheme, the end face of the long hole is provided with indication scales.

On the basis of the technical scheme, before the electromagnetic chuck loosens the brake disc, the controller controls the power supply to conduct reverse pulse current with certain frequency to the electromagnetic chuck.

Advantageous effects

The utility model discloses in carry out the centre gripping to the brake disc through electromagnet, when guaranteeing enough adsorption affinity, can guarantee to be difficult for causing brake disc surface damage with the good contact effect of brake disc, be favorable to improving product quality, in addition, loosen before the brake disc of centre gripping at electromagnet, the controller can the control power supply switch on the reverse pulse current of certain frequency to electromagnet to get rid of on the brake disc by the remaining magnetic field of absorption position department, guarantee good processing technology quality.

The utility model is also provided with a first proximity switch which is used for judging whether the jig compresses the brake disc in place on the numerical control machine tool chuck, preventing the robot jig from deforming due to overload, ensuring the smooth operation of the automatic clamping process of the numerical control machine tool and reducing the production failure rate; the second proximity switch is further arranged and used for judging whether the brake disc on the jig falls off in the moving process, and if the second proximity switch acts, a signal is sent to the controller to give an alarm, so that the production fault rate can be further reduced.

The utility model discloses well be used for adsorbing the front and back adsorption structure of brake disc can produce in the backup pad and carry out the displacement, and first proximity switch can use the bolt to rotate as the axle, so applicable in the brake disc of different size specifications, has strengthened the suitability of tool, has reduced the manufacturing cost of enterprise, is favorable to popularizing and applying.

The utility model discloses simple structure, and degree of automation is high, all is equipped with adsorption structure at the front and back of backup pad, both can follow the structural material of getting of supplementary turn-over and place on the chuck of digit control machine tool with the brake disc of treating processing, can take out and transport the next process from the digit control machine tool chuck with the brake disc that has processed again, can realize unloading fast, and the structure is small and exquisite can go up the unloading operation in limited space.

The utility model discloses in still be equipped with the shower nozzle of blowing, can blow away the sweeps attached to on the brake disc in the course of working, guarantee going on in succession of production process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.

FIG. 1: the structure schematic diagram of the front view of the utility model;

FIG. 2: the sectional structure in the direction of A-A in the front view of the utility model is a schematic diagram;

FIG. 3: the three-dimensional structure of the utility model is shown schematically;

Detailed Description

The invention will be further described with reference to the following figures and examples:

reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The robot jig 2 for the brake disc machining robot loading and unloading production line shown in fig. 1-3 comprises a jig 2 and a controller, wherein the controller controls the jig 2 connected with a robot arm to act, the jig 2 comprises a support plate 21, a U-shaped groove 22 is arranged on the side wall of the support plate 21, the U-shaped groove 22 is used for a support shaft on an auxiliary turnover mechanism to enter and be placed in the U-shaped groove 22, three front adsorption structures 24 which are uniformly distributed and face outwards are arranged in the front of the support plate 21, three rear adsorption structures 23 which are uniformly distributed and face outwards are arranged on the rear of the support plate 21, the rear adsorption structures 23 are the same as the front adsorption structures 24, the front adsorption structures 24 comprise a shaft sleeve 241, a shaft base 242, a shaft rod 243, a compression spring 244 and an electromagnetic chuck 245 which are connected with the support plate 21, the shaft sleeve 241 is provided with an inner cavity 246, the compression spring 244 is arranged in the inner cavity, one end of the compression spring 244 is in contact with the bottom surface of the inner cavity 246, the other end of the compression spring 244 presses the mandrel base 242 against the top surface of the inner cavity 246, the mandrel rod 243 is convexly arranged on the mandrel base 242 and extends out of the outer end surface of the shaft sleeve 241, the compression spring further comprises a limiting bolt 29, a key groove is formed in the mandrel rod 243, a threaded hole is formed in the corresponding position of the outer side wall of the shaft sleeve 241, and the tail end of the limiting bolt 29 penetrates through the threaded hole and extends into the key groove. The spindle rod 243 and the spindle seat 242 are integrally formed, an external thread is arranged at the tail end of the spindle rod 243 and is in threaded connection with a central threaded hole at the bottom of the electromagnetic chuck, the spindle seat 242 can slide back and forth in the inner cavity 246 under the action of external pressure, the spindle seat 242 is in clearance fit with the side wall of the inner cavity 245, the electromagnetic chuck 245 is electrically connected with the controller, the controller is further connected with a power supply, and the controller can control the electromagnetic chuck 245 to be electrified or not electrified.

In addition, the front adsorption structure 24 and the rear adsorption structure 23 are symmetrically arranged, the shaft sleeve 241 of the front adsorption structure 24 is coaxial with the shaft sleeve of the rear adsorption structure 23, the support plate 21 is provided with a long hole 211 which is radially arranged, a connecting block 212 which is in clearance fit with the side wall of the long hole 211 is arranged in the long hole 211, the thickness of the connecting block 212 is not larger than the depth of the long hole 211, a plurality of axial through holes are arranged on the connecting block 212, the connecting block 212 can radially displace in the long hole 211, the end surface of the long hole 211 is provided with indication scales, wherein the front side wall and the rear side wall of the connecting block 212 form the bottom surface of an inner cavity 246, the compression spring 244 is in contact with the front side wall and the rear side wall of the connecting block 212, the screw bolt assembly comprises a screw bolt and a nut which is matched with the screw bolt, the bottom of the, the corresponding position of the connecting block 212 is also provided with four through holes, the tail end of the bolt penetrates through the rear through hole, the through hole and the front through hole which are arranged on the connecting block 212, and the bottom surface of the shaft sleeve 241 of the front adsorption structure 24 and the bottom surface of the shaft sleeve of the rear adsorption structure 23 are pressed on the front surface and the rear surface of the supporting plate 21 through nuts. When the radial position of the front adsorption structure 24 or the rear adsorption structure 23 needs to be adjusted to adapt to brake discs with different sizes, the nut is unscrewed.

Preceding adsorption structure 24 still includes the first proximity switch 25 who is connected with the controller in 23 with the back adsorption structure, first proximity switch 25 passes through link 26 and backup pad 21 and is connected through bolt assembly, bolt assembly includes bolt and nut, through adjusting bolt and nut, connect, 26 can use the bolt to rotate as the axle, when needing to adapt to not unidimensional brake disc, unscrew the bolt, outwards rotate link 26, link 26 drives first proximity switch 25 on it and rotates, and the nut of screwing afterwards makes first proximity switch 25's rigidity, first proximity switch 25 is used for judging whether the tool compresses tightly the brake disc and targets in place on the digit control machine tool chuck.

In addition, the front adsorption structure 24 and the rear adsorption structure 23 further include a second proximity switch 27 and an air blowing nozzle 28 linked with the mandrel 243, the second proximity switch 27 and the air blowing nozzle 28 are both fixed on one side of a second connecting plate, the other side of the second connecting plate is sleeved on a shaft shoulder end face outside the mandrel 243, the electromagnetic chuck 245 tightly presses the second connecting plate on the shaft shoulder end face to prevent the second connecting plate from driving the second proximity switch 27 or the air blowing nozzle 28 to rotate, the second proximity switch 27 is used for judging whether a brake disc on the jig 2 falls off in the moving process, and if the second proximity switch 27 acts, a signal is sent to the controller to give an alarm. The spray holes of the air blowing spray heads 28 are upward and face the inner side of the supporting plate 21 to be used for blowing and cleaning the surface of the brake disc, and the air blowing spray heads 28 are connected with a compressed air source through air path pipelines.

With reference to the above embodiment, the operation process is described as follows:

the rear adsorption structure 23 on the robot jig 2 adsorbs and lifts the brake disc to be processed on the auxiliary turn-over mechanism from bottom to top to a set position, then the jig 2 drives the brake disc to be processed to rotate 90 degrees clockwise, and sends a signal to the controller when the brake disc is processed by the numerical control machine, the controller controls the jig 2 to drive the front adsorption structure 24 to be close to the chuck of the numerical control machine, the controller simultaneously controls the electromagnetic chuck 245 to be electrified, then the electromagnetic chuck 245 on the front adsorption structure 24 is contacted with the processed brake disc and adsorbs the processed brake disc, the jig continues to be close to the chuck, the core shaft rod 243 is pressed to move towards the direction of the support plate 21, when the first proximity switch 25 continues to be close to the brake disc until the first proximity switch 25 acts, the first proximity switch 25 sends a signal to the controller, and the controller controls the jig 2 to stop being close to the chuck of the numerical control machine, meanwhile, the controller sends a signal to the numerical control machine tool to enable the chuck jaws to loosen the brake disc, after the chuck jaws are completely loosened, the numerical control machine tool sends a signal to the controller, and the controller controls the controller 2 to drive the machined brake disc to move to a safe position; then the controller controls the jig 2 to turn 180 degrees and drives the brake disc to be processed to approach to the chuck of the numerical control machine tool through the rear adsorption structure 23, the jig conveys the brake disc to be processed to the chuck and contacts with the chuck, at the moment, the jig 2 continues to approach to the chuck, the mandrel rod 243 is pressed to move towards the direction of the support plate 21, when the first proximity switch 25 on the rear adsorption structure 23 continues to approach to the brake disc to be processed to the first proximity switch 25 to act, the first proximity switch 25 sends a signal to the controller, the controller controls the jig 2 to stop approaching to the numerical control machine tool, and simultaneously the controller sends a signal to the numerical control machine tool, the chuck jaws on the control machine tool clamp the brake disc, and after the chuck jaws clamp the brake disc, the numerical control machine tool sends a signal to the controller, the controller controls the power supply to conduct reverse pulse current with certain frequency to the electromagnetic chuck 245 so as to make the magnetic field on the adsorption position on the brake disc, and then the controller controls the electromagnetic chuck on the rear adsorption structure 23 to be powered off and controls the jig 2 to move out of a safe position outside the numerical control machine. Later the robot tool adsorbs the brake disc of treating processing and transports to the digit control machine tool to process on the supplementary turn-over mechanism once more, and the unloading process of going up is gone up to the reciprocal one-tenth of such circulation, wherein if tool 2 is transporting the brake disc in-process if the emergence falls the piece, second proximity switch can 27 send signal to controller, the controller can send alarm information.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. The utility model provides a go up unloading robot tool for production line on brake disc machining robot, includes tool (2) and controller, the action takes place in tool (2) that controller control and robot arm are connected, its characterized in that: tool (2) includes backup pad (21), be equipped with U-shaped groove (22) on backup pad (21) lateral wall, U-shaped groove (22) supply the support axle on the supplementary turn-over mechanism to get into and place in U-shaped groove (22), be equipped with preceding adsorption structure (24) outwards in the front of backup pad (21), the back of backup pad (21) is equipped with back adsorption structure (23) outwards, back adsorption structure (23) are the same with preceding adsorption structure (24), preceding adsorption structure (24) are including axle sleeve (241), dabber seat (242), dabber pole (243), compression spring (244) and electromagnetic chuck (245) of being connected with backup pad (21), axle sleeve (241) is equipped with inner chamber (246), compression spring (244) are arranged in inner chamber (246), the inner chamber (246) bottom surface is located to the one end of compression spring (244), the other end of compression spring (244) will core axle seat (242) press top surface department of inner chamber (246) on the inner chamber (246) The spindle seat (242) can slide back and forth in the inner cavity (246), the spindle rod (243) is convexly arranged on the spindle seat (242) and extends out of the outer end face of the spindle sleeve (241), the tail end of the spindle rod (243) is connected with an electromagnetic chuck (245), the electromagnetic chuck (245) is electrically connected with the controller, under the action of the controller, the jig (2) takes out a brake disc to be machined on the auxiliary turn-over mechanism through a rear adsorption structure (23) on the rear face and conveys the brake disc to the numerical control machine chuck for continuous machining, and the jig (2) takes out the brake disc machined on the numerical control machine chuck through a front adsorption structure (24) on the front face and places the next brake disc to be machined.

2. The robot jig for the brake disc machining robot on the loading and unloading production line as recited in claim 1, wherein the front adsorption structure (24) and the rear adsorption structure (23) on the support plate (21) are symmetrically disposed, a shaft sleeve (241) of the front adsorption structure (24) is coaxial with a shaft sleeve of the rear adsorption structure (23), the support plate (21) is provided with a long hole (211) radially disposed, a connection block (212) in clearance fit with a side wall of the long hole (211) is disposed in the long hole (211), the thickness of the connection block (212) is not greater than the depth of the long hole (211), the connection block (212) is provided with a plurality of axial through holes, the robot jig further comprises a bolt assembly, the bolt assembly comprises a bolt and a nut matched with the bolt, the tail end of the bolt passes through a rear through hole disposed on the rear adsorption structure (23), a through hole disposed on the connection block (212), and a front through hole disposed on the front adsorption, and the front adsorption structure (24) and the rear adsorption structure (23) are pressed on the front and rear surfaces of the support plate (21) through nuts.

3. The robot jig for the feeding and discharging production line of the brake disc machining robot as claimed in claim 1, wherein the front adsorption structure (24) further comprises a first proximity switch (25) connected with the controller, the first proximity switch (25) is detachably connected with the support plate (21) through a connecting frame (26), and the first proximity switch (25) is used for judging whether the jig (2) presses the brake disc in place on the numerical control machine tool chuck.

4. The robot jig for the brake disc machining robot on the loading and unloading production line of claim 3, wherein the connecting frame (26) is connected with the support plate (21) through a bolt assembly, the bolt assembly comprises a bolt and a nut, and the connecting frame (26) can rotate by taking the bolt as an axis through adjusting the bolt and the nut.

5. The robot jig for the loading and unloading production line of the brake disc machining robot as claimed in claim 1, wherein the front adsorption structure (24) further comprises a second proximity switch (27) linked with the core shaft rod (243), the second proximity switch (27) is used for judging whether the brake disc on the jig (2) falls off in the moving process, and if the second proximity switch (27) falls off, a signal is sent to the controller to give an alarm.

6. The robot jig for the loading and unloading production line of the brake disc machining robot as claimed in claim 1, wherein the front adsorption structure (24) further comprises an air blowing nozzle (28) linked with the core shaft rod (243), wherein a nozzle hole of the air blowing nozzle (28) faces upwards and inwards for air blowing cleaning of the surface of the brake disc, and the air blowing nozzle (28) is connected with a compressed air source through an air channel pipeline.

7. The robot jig for the brake disc machining robot on the loading and unloading production line of claims 1-6, further comprising a limit bolt (29), wherein the spindle rod (243) is provided with a key slot, a threaded hole is formed at a corresponding position of the outer side wall of the shaft sleeve (241), and the tail end of the limit bolt (29) penetrates through the threaded hole and extends into the key slot.

8. The robot jig for the brake disc machining robot on the loading and unloading production line of claim 2, wherein the end face of the long hole (211) is provided with indication scales.

9. The robot jig for the brake disc machining robot loading and unloading production line of claim 8, wherein the electromagnetic chuck (245) is screwed with the end of the spindle rod (243).