CN214517682U - Automobile tension pulley rocker arm machining device capable of detecting size of rocker arm - Google Patents

Abstract

The invention discloses an automobile tensioning wheel rocker arm processing device capable of carrying out size detection on a rocker arm, and the device comprises a base, a return type slide rail, a clamping workbench and the rocker arm, wherein the return type slide rail is arranged at the middle position of the top of the base, a slide block is uniformly arranged inside the return type slide rail, the top ends of the slide blocks are respectively provided with the clamping workbench, and the top ends inside the clamping workbench are respectively and uniformly provided with the rocker arm.

Description

Automobile tension pulley rocker arm machining device capable of detecting size of rocker arm

Technical Field

The invention relates to the technical field of automobile part machining, in particular to an automobile tension pulley rocker arm machining device capable of detecting the size of a rocker arm.

Background

The automobile tension wheel is an important component of an automobile transmission system and is an important part for controlling the tension degree of a belt in an automobile engine, the rocker arm of the tension wheel is a core part in a tension wheel assembly, and the automobile tension wheel mainly controls the tension degree of the belt through the up-and-down swinging of the rocker arm of the automobile tension wheel.

Need carry out drilling treatment to its center erection column usually in the production process of rocking arm, however the shape of rocking arm is irregular, consequently hardly carries out better fixed to it, needs the manual work to carry on spacingly with the bolt usually, therefore the operation is comparatively loaded down with trivial details, unable batch processing, and production efficiency is lower.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the machining device for the automobile tension pulley rocker arm, which can detect the size of the rocker arm and solves the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: an automobile tensioning wheel rocker arm processing device capable of carrying out size detection on a rocker arm comprises a base, a clip-shaped slide rail, a clamping workbench and a rocker arm, wherein the clip-shaped slide rail is installed at the middle position of the top of the base, a slide block is uniformly arranged inside the clip-shaped slide rail, the clamping workbench is installed at the top end of the slide block, the rocker arms are uniformly arranged at the top end inside the clamping workbench, four sides of the clip-shaped slide rail are respectively provided with a feeding station, a detection station, a drilling station and a reaming station, a top plate is installed above the drilling station and the reaming station, supporting columns are installed at four corners of the bottom of the top plate, pressing plates are arranged on the supporting columns below the top plate, hydraulic cylinders are fixed at two sides of the top plate, output ends of the hydraulic cylinders penetrate through the top plate and are connected with the pressing plates, and driving motors are installed at the middle position of the top of the pressing plates, and the clamp plate bottom of drilling station and reaming station top is provided with drilling bit and reaming bit respectively, the base top is close to the position department that detects the station and installs the drive rail, and the internally mounted of drive rail has the sliding seat, the top of sliding seat is fixed with the support, and the support top of detection station top is fixed with gear motor, detect the support bottom of station top and install hydraulic lifting rod, and hydraulic lifting rod's output is fixed with the CCD visual detection camera through the installation hoop.

Optionally, the inside bottom of centre gripping workstation all is provided with the garbage collection drawer, and the end of taking out of garbage collection drawer all evenly inlays and is equipped with the air exhauster.

Optionally, the guide pillar is all installed to the inside both sides of centre gripping workstation, and the intermediate position department of centre gripping workstation one end all is fixed with hydraulic telescoping rod, the inside one end that is close to hydraulic telescoping rod of centre gripping workstation all installs the push pedal, and hydraulic telescoping rod's output all runs through the centre gripping workstation outer wall and is connected with the push pedal, the inside both sides of push pedal all are provided with the guide pin bushing that internal diameter and guide pillar external diameter are identical, and the guide pillar all runs through the guide pin bushing, the inside one end of keeping away from the push pedal of centre gripping workstation all is fixed with the second splint through spring buffering post, and the one end that the push pedal is close to the second splint all is fixed with first splint through spring buffering post.

Optionally, a driving bin is arranged at the middle position inside the pressing plate, a belt pulley mechanism is arranged inside the driving bin, a fixed shaft is connected to the lower portion of a driving wheel of the belt pulley mechanism through a rotating shaft, a disc-shaped rotary joint is arranged at the middle of the fixed shaft, and the shape of the rotary joint is identical to that of the bottom of the pressing plate.

Optionally, the reaming bit and the drilling bit are respectively provided with five, the reaming bit and the drilling bit are connected with the bottom of the fixed shaft through bolts, and the reaming bit and the drilling bit are coincided with the middle axis of the rocker arm below the reaming bit and the drilling bit to be drilled.

Optionally, servo motor is installed to the inside one end of drive rail, and servo motor's output is fixed with the lead screw through the pivot, the longitudinal section of sliding seat is the design of wang font, and the outer wall of sliding seat and the inner wall of drive rail laminate mutually, the inside intermediate position department of sliding seat has seted up the lead screw groove with lead screw matched with, and the lead screw runs through the lead screw groove, the lead screw parallels with the detection station of type slide rail back.

Optionally, the rocker arm includes rocker arm bottom plate, erection column, mounting panel and strengthening rib, the intermediate position department of rocker arm bottom plate is provided with the erection column, and the one end slope of rocker arm bottom plate upwards extends the mounting panel, the both sides of mounting panel all link to each other with the rocker arm bottom plate through the strengthening rib.

Optionally, the inside one end that is close to the push pedal of second splint all evenly sets up the second centre gripping groove that shape and rocking arm one side are identical, and the inside first centre gripping groove that shape and rocking arm opposite side are identical is all seted up with the position department that the second centre gripping groove corresponds to of first splint, the intermediate position department that the second splint is close to first splint one end is fixed with the touching inductor, and first centre gripping groove and the butt joint of second centre gripping groove can form a complete centre gripping storehouse, one side that the centre gripping storehouse is close to erection column and mounting panel is the top open design, and the centre gripping storehouse is close to the position department of erection column and all sets up the drilling that shape and erection column are identical and leads to the groove.

The invention provides an automobile tension pulley rocker arm processing device capable of detecting the size of a rocker arm, which has the following beneficial effects:

1. this can carry out automobile tension pulley rocking arm processingequipment of size detection to the rocking arm, through being provided with two sets of drill bits, two sets of drill bits are drilling bit group and reamer bit group respectively, and every group is provided with five drill bits respectively, and driving motor work can drive a set of drill bit synchronous revolution simultaneously, once only can drill or ream five rocking arms, and the efficiency of processing is higher, the mass production of this rocking arm of being convenient for.

2. This can carry out size detection's car take-up pulley rocking arm processingequipment to rocking arm, through being provided with the centre gripping workstation and returning the type slide rail, the centre gripping workstation can drive the rocking arm and remove in returning the type slide rail to shift between material loading station, detection station, drilling station and reaming station, the centre gripping workstation is provided with four, therefore multistep operation goes on in step, mutual noninterference, machining efficiency is higher, the flow process of the rocking arm of being convenient for.

3. This can carry out size detection's car take-up pulley rocking arm processingequipment to rocking arm through being provided with the garbage collection drawer, is provided with the air exhauster in the garbage collection drawer, and in the piece suction garbage collection drawer that the air exhauster work can cause drilling, avoid the piece to spatter everywhere, influence the precision of drilling, the recoverable recycle of piece of collection more saves the resource, and need not to clean the workshop after drilling, and it is more convenient to use.

4. This can carry out size detection's car take-up pulley rocking arm processingequipment to rocking arm, through being provided with the centre gripping workstation, its inside is equipped with first splint and second splint, be provided with first centre gripping groove and the second centre gripping groove identical with rocking arm both sides shape in first splint and the second splint respectively, can be better carry on spacingly to the rocking arm, the convenient smooth going on of drilling, in addition, when the rocking arm size is too big or when not coinciding with the second centre gripping groove, first splint and second splint just can't the pressfitting be in the same place, then the touching inductor just can't receive touching information, then can prove the rocking arm unqualified size, first splint and second splint can also tentatively detect the appraisal to the size of rocking arm promptly, and is functional stronger.

5. This can carry out size detection's car take-up pulley rocking arm processingequipment to rocking arm, through being provided with CCD visual detection camera, because rocking arm erection column and mounting panel expose outside, consequently CCD visual detection camera can shoot the rocking arm erection column and the mounting panel position of accomplishing the centre gripping to reach the computer with the shooting result, the computer can carry out comparative analysis to the structure, confirms whether rocking arm here specification accords with the standard, and the functionality is stronger.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of a base according to the present invention;

FIG. 3 is a schematic view of a front cross-sectional structure of a pressing plate according to the present invention;

FIG. 4 is a schematic top sectional view of the clamping table of the present invention;

fig. 5 is a schematic view of the rocker arm structure of the present invention.

In the figure: 1. a base; 2. a slider; 3. a clip-shaped slide rail; 301. a feeding station; 302. detecting a station; 303. a drilling station; 304. a reaming station; 4. clamping the worktable; 401. a waste collection drawer; 5. a support pillar; 6. pressing a plate; 601. a driving bin; 7. a top plate; 8. a hydraulic cylinder; 9. a hole expanding drill bit; 10. a drive motor; 11. a drill bit for drilling; 12. a drive rail; 1201. a screw rod; 13. a movable seat; 1301. a screw rod groove; 14. a support; 15. a reduction motor; 16. a hydraulic lifting rod; 17. a CCD visual detection camera; 18. an exhaust fan; 19. a servo motor; 20. a belt pulley mechanism; 21. a rotary joint; 22. a fixed shaft; 23. a guide post; 24. pushing the plate; 25. a hydraulic telescopic rod; 26. a first splint; 2601. a first clamping groove; 27. a spring buffer post; 28. a rocker arm; 2801. a rocker arm base plate; 2802. mounting a column; 2803. mounting a plate; 2804. reinforcing ribs; 29. touching the sensor; 30. a second splint; 3001. a second clamping groove.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1 to 5, the present invention provides a technical solution: a machining device for automobile tensioning wheel rocker arms capable of carrying out size detection on rocker arms comprises a base 1, a clip-type slide rail 3, a clamping workbench 4 and rocker arms 28, wherein the clip-type slide rail 3 is installed at the middle position of the top of the base 1, sliders 2 are uniformly arranged inside the clip-type slide rail 3, the clamping workbench 4 is installed at the top ends of the sliders 2, the rocker arms 28 are uniformly arranged at the top ends of the clamping workbench 4, waste collection drawers 401 are arranged at the bottom ends of the clamping workbench 4, exhaust fans 18 are uniformly embedded at the extraction ends of the waste collection drawers 401, the exhaust fans 18 on the waste collection drawers 401 work when drilling and reaming are carried out, debris caused by drilling and reaming can be sucked into the waste collection drawers 401, the debris is prevented from splashing, the drilling precision is influenced, the collected debris can be recycled, resources are saved, and a production workshop does not need to be cleaned after drilling, the use is more convenient.

Guide posts 23 are respectively installed on two sides inside the clamping workbench 4, a hydraulic telescopic rod 25 is respectively fixed at the middle position of one end of the clamping workbench 4, a push plate 24 is respectively installed at one end inside the clamping workbench 4 close to the hydraulic telescopic rod 25, the output end of the hydraulic telescopic rod 25 penetrates through the outer wall of the clamping workbench 4 and is connected with the push plate 24, guide sleeves with the inner diameter matched with the outer diameter of the guide posts 23 are respectively arranged on two sides inside the push plate 24, the guide posts 23 penetrate through the guide sleeves, a second clamping plate 30 is respectively fixed at one end inside the clamping workbench 4 far away from the push plate 24 through a spring buffering post 27, a first clamping plate 26 is fixed at one end of the push plate 24 close to the second clamping plate 30 through a spring buffering post 27, the hydraulic telescopic rod 25 works and can drive the push plate 24 to move towards the second clamping plate 30, so that the first clamping plate 26 is pressed with the second clamping plate 30, the spring buffering post 27 is designed to enable the clamping of the first clamping plate 26 and the second clamping plate 30 to be softer, will not cause the damage to rocking arm 28, and guide pillar 23 design makes push pedal 24 remove more stably in the centre gripping workstation 4, and makes push pedal 24 keep being parallel with first splint 26 and second splint 30 all the time to make each position atress of first splint 26 and second splint 30 more balanced, it is better to the centre gripping effect of rocking arm 28.

One end of the second clamping plate 30 close to the push plate 24 is uniformly provided with a second clamping groove 3001 with a shape matched with one side of the rocker arm 28, the position of the first clamping plate 26 corresponding to the second clamping groove 3001 is provided with a first clamping groove 2601 with a shape matched with the other side of the rocker arm 28, the middle position of the second clamping plate 30 close to one end of the first clamping plate 26 is fixed with a touch sensor 29, the first clamping groove 2601 and the second clamping groove 3001 are butted to form a complete clamping bin, one side of the clamping bin close to the mounting post 2802 and the mounting plate 2803 is provided with an upper opening, the position of the clamping bin close to the mounting post 2802 is provided with a drilling through groove with a shape matched with the mounting post 2802, the first clamping groove 2601 and the second clamping groove 3001 with matched shapes are designed, so that the device can better limit the rocker arm 28, and the upper opening is designed to expose the part to be detected and drilled, the convenience detects going on smoothly with drilling, it is more reasonable to design, in addition, when rocking arm 28 oversize or with second centre gripping groove 3001 nonconformity, first splint 26 and second splint 30 just can not be pressed together, when rocking arm 28 size is unqualified promptly, touch inductor 29 just can't receive touch information, the controller of device alright send out the police dispatch newspaper, remind the staff to take the defective products away, first splint 26 and second splint 30 can also carry out preliminary detection appraisal to rocking arm 28's size in the centre gripping promptly, the functionality is stronger.

The rocker arm 28 includes a rocker arm base plate 2801, a mounting post 2802, a mounting plate 2803, and a reinforcing rib 2804, the mounting post 2802 is provided at a middle position of the rocker arm base plate 2801, one end of the rocker arm base plate 2801 extends upward in an inclined manner to form the mounting plate 2803, and both sides of the mounting plate 2803 are connected with the rocker arm base plate 2801 through the reinforcing rib 2804.

Four sides of the clip-shaped slide rail 3 are respectively provided with a feeding station 301, a detection station 302, a drilling station 303 and a reaming station 304, a top plate 7 is arranged above the drilling station 303 and the reaming station 304, support columns 5 are arranged at four corners of the bottom of the top plate 7, a pressure plate 6 is arranged on the support columns 5 below the top plate 7, a driving bin 601 is arranged at the middle position inside the pressure plate 6, a belt pulley mechanism 20 is arranged inside the driving bin 601, a fixed shaft 22 is connected below a driving wheel of the belt pulley mechanism 20 through a rotating shaft, a disc-shaped rotary joint 21 is arranged at the middle part of the fixed shaft 22, the shape of the rotary joint 21 is matched with the shape of the bottom of the pressure plate 6, the belt pulley mechanism 20 is designed to enable one driving motor 10 to work to drive a plurality of drill bits below to synchronously rotate, the rotary joint 21 is designed to enable the fixed shaft 22 to freely rotate in the pressure plate 6, meanwhile, the shaking or falling is not easy to occur, and the use safety is higher.

The two sides of the top plate 7 are both fixed with hydraulic cylinders 8, the output ends of the hydraulic cylinders 8 penetrate through the top plate 7 and are connected with the pressing plate 6, the middle position of the top of the pressing plate 6 is both provided with a driving motor 10, and the bottom ends of the pressure plates 6 above the drilling station 303 and the reaming station 304 are respectively provided with a drilling bit 11 and a reaming bit 9, the reaming bits 9 and the drilling bits 11 are respectively provided with five, the hole expanding drill bit 9 and the drilling drill bit 11 are both connected with the bottom of the fixed shaft 22 through bolts, the hole expanding drill bit 9 and the drilling drill bit 11 are both superposed with the central axis of the to-be-drilled hole of the rocker arm 28 below the hole expanding drill bit 9, the driving motor 10 can drive a group of five drilling drill bits 11 or the hole expanding drill bit 9 to synchronously rotate through the belt pulley mechanism 20, and meanwhile, the mounting columns 2802 of the five rocker arms 28 below the mounting columns are drilled or reamed, so that the machining efficiency is higher, and the mass production of the rocker arms 28 is facilitated.

The top of the base 1 is provided with a driving rail 12 at a position close to the detection station 302, the driving rail 12 is internally provided with a movable seat 13, one end inside the driving rail 12 is provided with a servo motor 19, the output end of the servo motor 19 is fixed with a lead screw 1201 through a rotating shaft, the longitudinal section of the movable seat 13 is in a shape like a Chinese character 'wang', the outer wall of the movable seat 13 is attached to the inner wall of the driving rail 12, the middle position inside the movable seat 13 is provided with a lead screw groove 1301 matched with the lead screw 1201, the lead screw 1201 penetrates through the lead screw groove 1301, the lead screw 1201 is parallel to the detection station 302 of the clip slide rail 3, the lead screw 1201 can be driven to rotate by the servo motor 19 during working, so that the movable seat 13 can move back and forth in the driving rail 12 to drive the CCD vision detection camera 17 to move back and forth above the clamping worktable 4, the five rocker arms 28 are shot and detected in sequence, and the design is more reasonable.

The top of sliding seat 13 is fixed with support 14, and the support 14 top that detects the station 302 top is fixed with gear motor 15, detects the 14 bottom of support above the station 302 and installs hydraulic lifting rod 16, and the output of hydraulic lifting rod 16 is fixed with CCD visual detection camera 17 through the installation hoop.

In conclusion, when the automobile tension pulley rocker arm machining device capable of detecting the size of the rocker arm is used, a power supply is switched on, five rocker arms 28 to be machined are sequentially inserted into a first clamping groove 2601 of a first clamping plate 26 at a feeding station 301, then a hydraulic telescopic rod 25 works to drive a push plate 24 to move towards a second clamping plate 30, so that the first clamping plate 26 is close to the second clamping plate 30, the side edges of the rocker arms 28 are just inserted into a second clamping groove 3001 of the second clamping plate 30, the first clamping plate 26 and the second clamping plate 30 are pressed, a touch sensor 29 receives touch information, if the rocker arms 28 are too large in size or are not matched with the second clamping groove 3001, the first clamping plate 26 and the second clamping plate 30 cannot be pressed together, the touch sensor 29 cannot receive the touch information, the fact that the size of the rocker arms 28 is unqualified can be proved, a controller of the device can send an alarm to remind employees of taking out unqualified products, then the slide block 2 slides in the clip-shaped slide rail 3 to drive the clamping workbench 4 to transfer on the clip-shaped slide rail 3, the clamping workbench 4 is transferred from the feeding station 301 to the right detection station 302, then the CCD visual detection camera 17 can shoot the positions of the mounting columns 2802 and the mounting plates 2803 of the rocker arms 28 which are clamped, and the shot results are transmitted to the computer, the computer can compare and analyze the structure to determine whether the specifications of the rocker arms 28 meet the standard, after the detection is finished, the clamping workbench 4 is transferred from the detection station 302 to the drilling station 303, the driving motor 10 can drive a group of five drilling bits 11 to synchronously rotate through the belt pulley mechanism 20, and simultaneously drill the mounting columns 2802 of the five rocker arms 28 below the clamping workbench 4, after the drilling is finished, the clamping workbench 4 is transferred from the drilling station 303 to the reaming station 304, the driving motor 10 can drive a group of five reaming bits 9 to synchronously rotate through the belt pulley mechanism 20, to carrying out the reaming operation to the mounting hole that bores, when drilling and reaming, air exhauster 18 work on the garbage collection drawer 401 can avoid the piece to spatter in can inhaling the garbage collection drawer 401 with the piece that bores, reaming caused, and after the reaming was accomplished, material loading station 301 was got back to by reaming station 304 to centre gripping workstation 4, and the staff can unload the rocking arm 28 that processing was accomplished, accomplishes whole process flow.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The utility model provides a can carry out size detection's car take-up pulley rocking arm processingequipment to rocking arm, includes base (1), time type slide rail (3), centre gripping workstation (4) and rocking arm (28), its characterized in that: the automatic forming machine is characterized in that a double-type sliding rail (3) is installed in the middle of the top of the base (1), a sliding block (2) is evenly arranged inside the double-type sliding rail (3), a clamping workbench (4) is installed on the top of the sliding block (2), rocker arms (28) are evenly arranged on the top of the inside of the clamping workbench (4), four sides of the double-type sliding rail (3) are respectively arranged to be a feeding station (301), a detection station (302), a drilling station (303) and a chambering station (304), a top plate (7) is installed above the drilling station (303) and the chambering station (304), supporting columns (5) are installed at four corners of the bottom of the top plate (7), pressing plates (6) are arranged on the supporting columns (5) below the top plate (7), hydraulic cylinders (8) are fixed on two sides of the top plate (7), and output ends of the hydraulic cylinders (8) penetrate through the top plate (7) and are connected with the pressing plates (6), drive motor (10) are all installed to intermediate position department at clamp plate (6) top, and are provided with drilling bit (11) and reamer bit (9) respectively in clamp plate (6) bottom of drilling station (303) and reaming station (304) top, base (1) top is close to the position department of detecting station (302) and installs drive rail (12), and drives the internally mounted of rail (12) and have movable seat (13), the top of movable seat (13) is fixed with support (14), and detects support (14) top of station (302) top and be fixed with gear motor (15), hydraulic lifter (16) are installed to support (14) bottom of detecting station (302) top, and the output of hydraulic lifter (16) is fixed with CCD visual detection camera (17) through the installation hoop.

2. The device for machining the tensioning wheel and the rocker arm of the automobile capable of detecting the size of the rocker arm as claimed in claim 1, wherein: the inside bottom of centre gripping workstation (4) all is provided with garbage collection drawer (401), and garbage collection drawer (401) take out the end and all evenly inlay and be equipped with air exhauster (18).

3. The device for machining the tensioning wheel and the rocker arm of the automobile capable of detecting the size of the rocker arm as claimed in claim 1, wherein: guide pillar (23) are all installed to the inside both sides of centre gripping workstation (4), and the intermediate position department of centre gripping workstation (4) one end all is fixed with hydraulic telescoping rod (25), push pedal (24) are all installed to the inside one end that is close to hydraulic telescoping rod (25) of centre gripping workstation (4), and hydraulic telescoping rod (25)'s output all runs through centre gripping workstation (4) outer wall and is connected with push pedal (24), the inside both sides of push pedal (24) all are provided with the guide pin bushing that internal diameter and guide pillar (23) external diameter are identical, and guide pillar (23) all run through the guide pin bushing, the inside one end of keeping away from push pedal (24) of centre gripping workstation (4) all is fixed with second splint (30) through spring buffering post (27), and the one end that push pedal (24) are close to second splint (30) all is fixed with first splint (26) through spring buffering post (27).

4. The device for machining the tensioning wheel and the rocker arm of the automobile capable of detecting the size of the rocker arm as claimed in claim 1, wherein: the improved belt wheel mechanism is characterized in that a driving bin (601) is arranged at the middle position inside the pressing plate (6), a belt wheel mechanism (20) is arranged inside the driving bin (601), a fixing shaft (22) is connected to the lower portion of a driving wheel of the belt wheel mechanism (20) through a rotating shaft, a disc-shaped rotating joint (21) is arranged in the middle of the fixing shaft (22), and the shape of the rotating joint (21) is identical to that of the bottom of the pressing plate (6).

5. The device for machining the tensioning wheel and the rocker arm of the automobile capable of detecting the size of the rocker arm as claimed in claim 1, wherein: reaming drill bit (9) and drilling drill bit (11) are provided with five respectively, and reaming drill bit (9) and drilling drill bit (11) all are connected through the bottom of bolt with fixed axle (22), reaming drill bit (9) and drilling drill bit (11) all wait the coincidence of drilling middle axis rather than below rocking arm (28).

6. The device for machining the tensioning wheel and the rocker arm of the automobile capable of detecting the size of the rocker arm as claimed in claim 1, wherein: servo motor (19) are installed to the inside one end of drive rail (12), and the output of servo motor (19) is fixed with lead screw (1201) through the pivot, the longitudinal section of sliding seat (13) is the design of wang font, and the outer wall of sliding seat (13) laminates mutually with the inner wall of drive rail (12), the intermediate position department of sliding seat (13) inside has seted up with lead screw (1201) matched with lead screw groove (1301), and lead screw (1201) run through lead screw groove (1301), lead screw (1201) parallels with detection station (302) of type slide rail (3) back.

7. The device for machining the tensioning wheel and the rocker arm of the automobile capable of detecting the size of the rocker arm as claimed in claim 1, wherein: the rocker arm (28) comprises a rocker arm bottom plate (2801), mounting columns (2802), a mounting plate (2803) and reinforcing ribs (2804), the mounting columns (2802) are arranged in the middle of the rocker arm bottom plate (2801), the mounting plate (2803) extends upwards in an inclined mode from one end of the rocker arm bottom plate (2801), and two sides of the mounting plate (2803) are connected with the rocker arm bottom plate (2801) through the reinforcing ribs (2804).

8. The device for machining the tensioning wheel and the rocker arm of the automobile capable of performing size detection on the rocker arm as claimed in claim 3, wherein: inside one end that is close to push pedal (24) of second splint (30) all evenly seted up shape and rocking arm (28) one side identical second centre gripping groove (3001), and inside and the corresponding position department of second centre gripping groove (3001) of first splint (26) all seted up shape and rocking arm (28) opposite side identical first centre gripping groove (2601), second splint (30) are close to the intermediate position department of first splint (26) one end and are fixed with touching inductor (29), and first centre gripping groove (2601) and second centre gripping groove (3001) butt joint can form a complete centre gripping storehouse, one side that the centre gripping storehouse is close to erection column (2802) and mounting panel (2803) is the top opening design, and the centre gripping storehouse is close to the position department of erection column (2802) and all sets up the drilling logical groove that the shape is identical with erection column (2802).

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