CN214066004U - Roughness detection device is used in processing of cylinder outer casing - Google Patents

Abstract

The invention discloses a roughness detection device for machining an outer cylinder of an air cylinder, which relates to the technical field of machining of the outer cylinder of the air cylinder, and comprises a machine body, a detection mechanism and a fixed clamping mechanism, wherein a workbench is arranged above the machine body, supporting columns are fixed at two ends above the workbench, a top plate is fixed above the supporting columns, a hydraulic cylinder is arranged below the middle part of the top plate, a piston rod is arranged below the hydraulic cylinder, a lifting plate is fixed below the piston rod, the detection mechanism is arranged below the middle part of the lifting plate, and two sides below the lifting plate are connected with fixed side plates respectively, so that the roughness detection device has the beneficial effects that: the device is convenient for lift adjustment roof position through pneumatic cylinder and piston rod to be convenient for adjust the position of the fixed fixture of downside, be convenient for drive hydraulic telescoping rod, fixed frame, limiting plate and fixed fixture rotation through step motor, thereby be convenient for drive cylinder outer cylinder body's upset, conveniently detect four sides of cylinder outer cylinder body respectively.

Description

Roughness detection device is used in processing of cylinder outer casing

Technical Field

The invention relates to the technical field of cylinder outer cylinder machining, in particular to a roughness detection device for cylinder outer cylinder machining.

Background

The cylinder is a cylindrical metal part which guides the piston to do linear reciprocating motion in the cylinder, and air converts heat energy into mechanical energy through expansion in the engine cylinder; the gas is compressed by the piston in the compressor cylinder to increase the pressure, and the housing of turbines, rotary piston engines, etc., also commonly referred to as "cylinders", requires inspection of the surface during the machining of the outer cylinder of the cylinder.

The roughness detecting device for machining the existing cylinder outer cylinder is not convenient for overturning and detecting four external sides of the cylinder outer cylinder, is also not convenient for clamping and fixing the cylinder outer cylinder, does not have a corresponding feeding function, is limited in use, and therefore the roughness detecting device for machining the cylinder outer cylinder is provided.

Disclosure of Invention

The invention aims to provide a roughness detection device for machining an outer cylinder of an air cylinder, and the roughness detection device is used for solving the problems that the existing roughness detection device for machining the outer cylinder of the air cylinder, which is provided by the background art, is inconvenient for overturning and detecting four outer side surfaces of the outer cylinder of the air cylinder, is inconvenient for clamping and fixing the outer cylinder of the air cylinder, does not have a corresponding feeding function, and has limitation in use.

In order to achieve the purpose, the invention provides the following technical scheme: a roughness detecting device for machining an outer cylinder of an air cylinder comprises a machine body, a detecting mechanism and a fixed clamping mechanism, wherein a workbench is arranged above the machine body, supporting columns are fixed at two ends of the upper portion of the workbench, a top plate is fixed above the supporting columns, a hydraulic cylinder is installed below the middle portion of the top plate, a piston rod is arranged on the lower side of the hydraulic cylinder, a lifting plate is fixed below the piston rod, the detecting mechanism is installed below the middle portion of the lifting plate, fixed side plates are connected to two sides of the lower portion of the lifting plate, a stepping motor is installed on the inner side of the lower portion of each fixed side plate, a hydraulic telescopic rod is arranged on one side of a motor shaft of the stepping motor, a fixed frame is installed at the top end of the hydraulic telescopic rod, a limiting plate is fixed on one side of the fixed frame, the fixed clamping mechanism is arranged on the inner side, the top outside of support column is fixed with the installation casing, and the internally mounted of installation casing has the display screen, the top both sides of workstation are provided with material loading transmission band and ejection of compact transmission band respectively, be fixed with the mount pad in the middle of the inside of organism, and the top of mount pad installs electric putter, electric putter's top is fixed with the push pedal, and the middle part of push pedal is embedded to have a rotating electrical machines, the loading board is installed to the upside of rotating electrical machines, and the loading board is located the top middle part of workstation, the middle part inboard of loading board is provided with the recess, and both sides install the location mechanism of rectifying around the top of loading board, both sides all are provided with the substandard product transmission band around the loading board.

Preferably, detection mechanism is including motor installing frame, linear electric motor, mounting panel and detection sensor, the middle part below of lifter plate is fixed with the motor installing frame, and the inside of motor installing frame is provided with linear electric motor, linear electric motor's downside is fixed with the mounting panel, and the middle part below of mounting panel installs detection sensor.

Preferably, the mounting plate and the detection sensor form a movable structure through the linear motor and the motor mounting frame, and the motor mounting frame and the lifting plate form a lifting structure through the hydraulic cylinder and the piston rod and the top plate.

Preferably, fixed fixture is including fixed plate, miniature telescopic link, grip block, anti-skidding bed course, negative sucker, exhaust tube and aspiration pump, the inboard four sides of limiting plate all are connected with the fixed plate, and the inboard of fixed plate installs miniature telescopic link, the one end of miniature telescopic link is fixed with the grip block, and the inboard of grip block splices there is the anti-skidding bed course, the inboard middle part of limiting plate is provided with negative sucker, and is connected with the exhaust tube on one side of negative sucker's outside, the aspiration pump is installed to the other end of exhaust tube, and the aspiration pump is located the inside of fixed frame.

Preferably, the grip block is provided with four groups, and is symmetrical form evenly distributed about the central line of limiting plate between the grip block to the grip block passes through to constitute extending structure between miniature telescopic link and the fixed plate.

Preferably, the symmetry center of the negative pressure sucker coincides with the symmetry center of the limiting plate, and the negative pressure sucker is communicated with the inside of the air suction pump through an air suction pipe.

Preferably, the bearing plate passes through to constitute revolution mechanic between rotating electrical machines and the push pedal, and the push pedal passes through to constitute elevation structure between electric putter and the mount pad.

Preferably, the location mechanism of rectifying is including first electric telescopic handle, the board of rectifying, linkage plate, second electric telescopic handle and normal plate, first electric telescopic handle is all installed to both sides around the top of loading board, and first electric telescopic handle's top is fixed with the board of rectifying, the both sides of rectifying the board all are fixed with the linkage plate, and the inboard of linkage plate installs second electric telescopic handle, second electric telescopic handle's top is fixed with the normal plate.

Preferably, the deviation correcting plates are arranged in two groups, the symmetric centers of the deviation correcting plates are overlapped with the symmetric centers of the bearing plates, and the deviation correcting plates are parallel to each other.

The invention provides a roughness detection device for machining an outer cylinder of an air cylinder, which has the following beneficial effects:

1. according to the invention, the position of the top plate can be conveniently adjusted through lifting of the hydraulic cylinder and the piston rod, so that the position of the lower side fixing clamping mechanism can be conveniently adjusted, the stepping motor can be used for conveniently driving the hydraulic telescopic rod, the fixing frame, the limiting plate and the fixing clamping mechanism to rotate, so that the cylinder outer cylinder body can be conveniently driven to turn over, four side surfaces of the cylinder outer cylinder body can be conveniently and respectively detected, and the hydraulic telescopic rod can be used for conveniently adjusting the positions of the limiting plate and the fixing clamping mechanism in a telescopic manner, so that the use of the fixing clamping mechanism is facilitated.

2. The detection mechanism is arranged in the invention, the transverse movement of the linear motor in the motor mounting frame is convenient to drive the mounting plate and the detection sensor to transversely move, so that the detection of the surface roughness of the cylinder outer cylinder body is convenient through the detection sensor, the detection sensor is an ultrasonic sensor, the surface roughness condition of the cylinder outer cylinder body can be detected through transmitting and receiving ultrasonic waves, and the detection result can be conveniently displayed through the display screen.

3. The clamping device is provided with the fixed clamping mechanism, four groups of clamping plates which are symmetrically arranged correspond to four outer side surfaces of the cylinder outer cylinder body respectively, the positions of the clamping plates are conveniently adjusted in a telescopic mode through the micro telescopic rod, the four groups of clamping plates are used for clamping and fixing the cylinder outer cylinder body simultaneously, the suction pump can vacuumize the inside of the negative pressure sucker through the suction pipe, the negative pressure sucker on the inner side of the middle of the limiting plate can carry out vacuum adsorption and fixing on two ends of the cylinder outer cylinder body, and clamping looseness is avoided by matching with the four groups of clamping plates.

4. The cylinder outer cylinder body detection device is provided with the bearing plate, so that the cylinder outer cylinder body can be conveniently supported, the heights of the push plate and the bearing plate can be conveniently adjusted in a lifting mode through the electric push rod, a moving space is conveniently provided for rotation of the bearing plate, the bearing plate can be conveniently driven to rotate through the rotating motor, the blanking direction of the cylinder outer cylinder body above the bearing plate can be conveniently adjusted, finished cylinder outer cylinder bodies can be conveniently fed through the feeding conveying belt and the discharging conveying belt, and detected defective cylinder outer cylinder bodies can be conveniently fed through the defective conveying belt.

5. The positioning and deviation-rectifying mechanism is arranged, the deviation-rectifying plates are conveniently pushed by the first electric telescopic rod, the two groups of parallel deviation-rectifying plates are convenient for pushing the cylinder outer cylinder body to keep the cylinder outer cylinder body in a horizontal state, and the position-rectifying plates are convenient to push by the second electric telescopic rod, so that the cylinder outer cylinder body can be positioned in the middle of the upper part of the bearing plate, and the subsequent clamping and use of the fixing and clamping mechanism are facilitated.

Drawings

FIG. 1 is a schematic structural diagram of a front cross-section of a roughness detecting device for machining an outer cylinder of a cylinder according to the present invention;

FIG. 2 is an enlarged structural diagram of a detection mechanism of the roughness detection device for machining the outer cylinder of the cylinder, according to the present invention;

FIG. 3 is a schematic diagram of a side view and a front view of the cylinder outer body of the roughness detecting device for processing the cylinder outer body according to the present invention;

FIG. 4 is a schematic diagram of a side view structure of the inside of a limiting plate of the roughness detecting device for machining the outer cylinder of the air cylinder, disclosed by the invention;

FIG. 5 is a schematic top view of a bearing plate of the roughness detecting device for machining an outer cylinder of an air cylinder according to the present invention.

In the figure: 1. a body; 2. a work table; 3. a support pillar; 4. a top plate; 5. a hydraulic cylinder; 6. a piston rod; 7. a lifting plate; 8. a detection mechanism; 801. a motor mounting frame; 802. a linear motor; 803. mounting a plate; 804. a detection sensor; 9. fixing the side plate; 10. a stepping motor; 11. a hydraulic telescopic rod; 12. a fixing frame; 13. a limiting plate; 14. fixing the clamping mechanism; 1401. a fixing plate; 1402. a miniature telescopic rod; 1403. a clamping plate; 1404. an anti-slip cushion layer; 1405. a negative pressure sucker; 1406. an air exhaust pipe; 1407. an air pump; 15. an outer cylinder body of the cylinder; 16. installing a shell; 17. a display screen; 18. a feeding conveying belt; 19. a discharge conveyor belt; 20. a mounting seat; 21. an electric push rod; 22. pushing the plate; 23. a rotating electric machine; 24. a carrier plate; 25. a groove; 26. positioning a deviation rectifying mechanism; 2601. a first electric telescopic rod; 2602. a deviation rectifying plate; 2603. a connector tile; 2604. a second electric telescopic rod; 2605. a position correcting plate; 27. and a defective conveyor belt.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

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. 1-5, the present invention provides a technical solution: a roughness detection device for machining of an outer cylinder of an air cylinder comprises a machine body 1, a workbench 2, a support column 3, a top plate 4, a hydraulic cylinder 5, a piston rod 6, a lifting plate 7, a detection mechanism 8, a motor mounting frame 801, a linear motor 802, a mounting plate 803, a detection sensor 804, a fixed side plate 9, a stepping motor 10, a hydraulic telescopic rod 11, a fixed frame 12, a limiting plate 13, a fixed clamping mechanism 14, a fixed plate 1401, a micro telescopic rod 1402, a clamping plate 1403, an anti-skid cushion layer 1404, a negative pressure suction disc 1405, an air suction pipe 1406, an air suction pump 1407, an outer cylinder body 15 of the air cylinder, a mounting shell 16, a display screen 17, a feeding conveying belt 18, a discharging conveying belt 19, a mounting seat 20, an electric push rod 21, a push plate 22, a rotating motor 23, a bearing plate 24, a groove 25, a deviation rectifying and positioning mechanism 26, a first electric telescopic rod 2601, a deviation rectifying plate 2602, a connecting plate 2603, a second electric telescopic rod 2604, A position plate 2605 and a defective product conveyor belt 27, a workbench 2 is arranged above the machine body 1, support columns 3 are fixed at both ends of the upper part of the workbench 2, a top plate 4 is fixed above the support columns 3, a hydraulic cylinder 5 is arranged below the middle part of the top plate 4, a piston rod 6 is arranged below the hydraulic cylinder 5, a lifting plate 7 is fixed below the piston rod 6, a detection mechanism 8 is arranged below the middle part of the lifting plate 7, the detection mechanism 8 comprises a motor mounting frame 801, a linear motor 802, a mounting plate 803 and a detection sensor 804, the motor mounting frame 801 is fixed below the middle part of the lifting plate 7, the linear motor 802 is arranged inside the motor mounting frame 801, the mounting plate 803 is fixed below the linear motor 802, the detection sensor 804 is arranged below the middle part of the mounting plate 803, the mounting plate 803 and the detection sensor 804 form a movable structure through the linear motor 802 and the motor mounting frame 801, and the motor mounting frame 801 and the lifting plate 7 form a lifting structure with the top plate 4 through the hydraulic cylinder 5 and the piston rod 6, the position of the top plate 4 is convenient to lift and adjust through the hydraulic cylinder 5 and the piston rod 6, so that the position of the lower side fixing and clamping mechanism 14 is convenient to adjust, the transverse movement of the linear motor 802 in the motor mounting frame 801 is convenient to drive the mounting plate 803 and the transverse movement of the detection sensor 804, and the surface roughness of the cylinder outer cylinder body 15 is convenient to detect through the detection sensor 804.

The two sides below the lifting plate 7 are both connected with fixed side plates 9, the inner side below the fixed side plates 9 is provided with a stepping motor 10, one side of a motor shaft of the stepping motor 10 is provided with a hydraulic telescopic rod 11, the top end of the hydraulic telescopic rod 11 is provided with a fixed frame 12, one side of the fixed frame 12 is fixedly provided with a limiting plate 13, a fixed clamping mechanism 14 is arranged at the inner side of the limiting plate 13, an air cylinder outer cylinder body 15 is arranged between the fixed clamping mechanisms 14, the fixed clamping mechanism 14 comprises a fixed plate 1401, a micro telescopic rod 1402, a clamping plate 1403, an anti-skid cushion layer 1404, a negative pressure sucking disc 1405, an air exhaust pipe 1406 and an air exhaust pump 1407, the four inner sides of the limiting plate 13 are all connected with the fixed plate 1401, the micro telescopic rod 1402 is arranged at the inner side of the fixed plate 1401, the clamping plate 1403 is fixed at one end of the micro telescopic rod 1402, the anti-skid cushion layer 1404 is glued to the inner side of the clamping plate 1403, the middle part of the inner side of the limiting plate 13 is provided with the negative pressure sucking disc 1405, and one side of the outside of the negative pressure suction cup 1405 is connected with an air exhaust pipe 1406, the other end of the air exhaust pipe 1406 is provided with an air exhaust pump 1407, the air exhaust pump 1407 is positioned inside the fixed frame 12, the four groups of clamping plates 1403 are arranged, the clamping plates 1403 are symmetrically and uniformly distributed around the center line of the limiting plate 13, the clamping plates 1403 form a telescopic structure through the micro telescopic rod 1402 and the fixed plate 1401, the four groups of clamping plates 1403 which are symmetrically arranged respectively correspond to the four sides of the outside of the cylinder outer cylinder body 15, the position of the clamping plates 1403 is conveniently adjusted in a telescopic way through the micro telescopic rod 1402, so that the four groups of clamping plates 1403 simultaneously clamp and fix the cylinder outer cylinder body 15, the symmetry center of the negative pressure suction cup 1405 coincides with the symmetry center of the limiting plate 13, the negative pressure suction cup 1405 is communicated with the inside of the air exhaust pump 1407 through the air exhaust pipe 1406, the air exhaust pump 1407 can vacuumize the inside of the negative pressure suction cup 1405 through the air exhaust pipe 1406, make inboard negative pressure suction cup 1405 in limiting plate 13 middle part can carry out vacuum adsorption to the both ends of cylinder outer cylinder body 15 fixed, cooperate the use of four groups grip block 1403, avoid the centre gripping not hard up.

An installation shell 16 is fixed on the outer side above the supporting column 3, a display screen 17 is installed inside the installation shell 16, a feeding transmission belt 18 and a discharging transmission belt 19 are respectively arranged on two sides above the workbench 2, an installation seat 20 is fixed in the middle of the interior of the machine body 1, an electric push rod 21 is installed above the installation seat 20, a push plate 22 is fixed above the electric push rod 21, a rotary motor 23 is embedded in the middle of the push plate 22, a bearing plate 24 is installed on the upper side of the rotary motor 23, the bearing plate 24 is located in the middle of the upper portion of the workbench 2, a rotary structure is formed between the bearing plate 24 and the push plate 22 through the rotary motor 23, the push plate 22 forms a rotary structure with the installation seat 20 through the electric push rod 21, the heights of the push plate 22 and the bearing plate 24 can be conveniently adjusted through the electric push rod 21 in a lifting manner, so as to provide a moving space for the rotation of the bearing plate 24, the rotation of the bearing plate 24 can be conveniently driven by the rotary motor 23 in a lifting manner, so as to adjust the feeding direction of the cylinder outer cylinder 15 above it.

The inner side of the middle part of the bearing plate 24 is provided with a groove 25, the front side and the rear side above the bearing plate 24 are provided with a positioning deviation rectifying mechanism 26, the positioning deviation rectifying mechanism 26 comprises a first electric telescopic rod 2601, a deviation rectifying plate 2602, a connecting plate 2603, a second electric telescopic rod 2604 and a position rectifying plate 2605, the front side and the rear side above the bearing plate 24 are provided with the first electric telescopic rod 2601, the top end of the first electric telescopic rod 2601 is fixedly provided with the deviation rectifying plate 2602, both sides of the deviation rectifying plate 2602 are fixedly provided with the connecting plate 2603, the inner side of the connecting plate 2603 is provided with the second electric telescopic rod 2604, the top end of the second electric telescopic rod 2604 is fixedly provided with the position rectifying plate 2605, the deviation rectifying plates 2602 are provided with two groups, the symmetrical center of the deviation rectifying plates 2602 is superposed with the symmetrical center of the bearing plate 24, the deviation rectifying plates 2602 are parallel with each other, the two groups of the deviation rectifying plates 2602 which are parallel with each other, which is convenient for pushing the cylinder body outside the cylinder body 26015 to keep the horizontal state, in order to facilitate the subsequent clamping use of the fixed clamping mechanism 14, the front and the back sides of the bearing plate 24 are provided with defective product conveying belts 27.

In conclusion, when the roughness detecting device for machining the cylinder outer cylinder is used, firstly, the finished cylinder outer cylinder body 15 can be fed through the feeding conveying belt 18 to reach the upper side of the bearing plate 24, then the deviation rectifying plates 2602 can be pushed through the first electric telescopic rod 2601, so that the two groups of parallel deviation rectifying plates 2602 push the cylinder outer cylinder body 15 to keep the horizontal state, and then the second electric telescopic rod 2604 pushes the aligning plate 2605, so that the cylinder outer cylinder body 15 is located in the middle part above the bearing plate 24.

Then can go up and down the position of adjustment roof 4 through pneumatic cylinder 5 and piston rod 6, thereby adjust the position of the fixed fixture 14 of downside, rethread hydraulic telescoping rod 11 is flexible adjusts limiting plate 13 and fixed fixture 14's position, so that fixed fixture 14's use, four groups grip-pad 1403 that the symmetry set up correspond the outside four sides of cylinder outer cylinder body 15 respectively, the position of the flexible adjustment grip-pad 1403 of miniature telescopic link 1402, make four groups grip-pad 1403 use simultaneously and carry out the centre gripping to cylinder outer cylinder body 15 fixed, aspiration pump 1407 can be to the inside evacuation of negative pressure sucking disc 1405 through exhaust tube 1406, make the inboard negative pressure sucking disc 1405 in limiting plate 13 middle part can carry out vacuum adsorption to the both ends of cylinder outer cylinder body 15 fixed, cooperate the use of four groups grip-pad 1403, avoid the centre gripping to become flexible.

Then drive mounting panel 803 and the lateral shifting of detection sensor 804 through linear electric motor 802 at the inside lateral shifting of motor installing frame 801, thereby be convenient for detect the roughness of the surface of cylinder outer cylinder body 15 through detection sensor 804, detection sensor is ultrasonic sensor 804, accessible transmission detects the roughness of the surface condition of cylinder outer cylinder body 15 with receiving the ultrasonic wave, and show the testing result through display screen 17, and can drive hydraulic telescoping rod 11 through step motor 10, fixed frame 12, the rotation of limiting plate 13 and fixed fixture 14, thereby drive the upset of cylinder outer cylinder body 15, detect respectively four sides of cylinder outer cylinder body 15.

Finally, after the detection is completed, the heights of the push plate 22 and the bearing plate 24 are adjusted by the ascending of the electric push rod 21 according to a detection result so as to provide a moving space for the rotation of the bearing plate 24, then the rotating motor 23 drives the bearing plate 24 to rotate so as to adjust the blanking direction of the cylinder outer cylinder body 15 above the bearing plate, finally, the finished cylinder outer cylinder body 15 is fed through the discharging conveying belt 19, the detected defective cylinder outer cylinder body 15 is fed through the defective conveying belt 27, and thus the using process of the roughness detection device for machining of the whole cylinder outer cylinder is completed.

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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (9)

1. The utility model provides a roughness detection device is used in processing of cylinder outer cylinder, includes organism (1), detection mechanism (8) and fixed fixture (14), its characterized in that: the machine body is characterized in that a workbench (2) is arranged above the machine body (1), supporting columns (3) are fixed at two ends of the upper portion of the workbench (2), a top plate (4) is fixed above the supporting columns (3), a hydraulic cylinder (5) is installed below the middle of the top plate (4), a piston rod (6) is arranged on the lower side of the hydraulic cylinder (5), a lifting plate (7) is fixed below the piston rod (6), a detection mechanism (8) is installed below the middle of the lifting plate (7), fixed side plates (9) are connected to two sides of the lower portion of the lifting plate (7), a stepping motor (10) is installed on the inner side of the lower portion of each fixed side plate (9), a hydraulic telescopic rod (11) is arranged on one side of a motor shaft of the stepping motor (10), a fixed frame (12) is installed on the top end of the hydraulic telescopic rod (11), a limiting plate (13) is fixed to one side of the fixed frame (12), the fixed clamping mechanism (14) is arranged on the inner side of the limiting plate (13), an air cylinder outer cylinder body (15) is arranged between the fixed clamping mechanism (14), an installation shell (16) is fixed on the outer side of the top of the supporting column (3), a display screen (17) is arranged inside the installation shell (16), a feeding transmission belt (18) and a discharging transmission belt (19) are respectively arranged on two sides of the top of the workbench (2), a mounting seat (20) is fixed in the middle of the inside of the machine body (1), an electric push rod (21) is arranged above the mounting seat (20), a push plate (22) is fixed above the electric push rod (21), a rotating motor (23) is embedded in the middle of the push plate (22), a bearing plate (24) is arranged on the upper side of the rotating motor (23), the bearing plate (24) is located in the middle of the top of the workbench (2), a groove (25) is arranged on the inner side of the middle of the bearing plate (24), and the front side and the rear side of the upper part of the bearing plate (24) are provided with a positioning and deviation rectifying mechanism (26), and the front side and the rear side of the bearing plate (24) are provided with defective product conveying belts (27).

2. The roughness detecting device for machining the cylinder outer cylinder according to claim 1, characterized in that: detection mechanism (8) are including motor installing frame (801), linear electric motor (802), mounting panel (803) and detection sensor (804), the middle part below of lifter plate (7) is fixed with motor installing frame (801), and the inside of motor installing frame (801) is provided with linear electric motor (802), the downside of linear electric motor (802) is fixed with mounting panel (803), and the middle part below of mounting panel (803) installs detection sensor (804).

3. The roughness detecting device for machining the cylinder outer cylinder according to claim 2, characterized in that: the mounting plate (803) and the detection sensor (804) form a movable structure through the linear motor (802) and the motor mounting frame (801), and the motor mounting frame (801) and the lifting plate (7) form a lifting structure through the hydraulic cylinder (5), the piston rod (6) and the top plate (4).

4. The roughness detecting device for machining the cylinder outer cylinder according to claim 1, characterized in that: fixed fixture (14) is including fixed plate (1401), miniature telescopic link (1402), grip block (1403), anti-skidding bed course (1404), negative pressure suction cup (1405), exhaust tube (1406) and aspiration pump (1407), the inboard four sides of limiting plate (13) all are connected with fixed plate (1401), and miniature telescopic link (1402) are installed to the inboard of fixed plate (1401), the one end of miniature telescopic link (1402) is fixed with grip block (1403), and the inboard of grip block (1403) is glued and is had anti-skidding bed course (1404), the inboard middle part of limiting plate (13) is provided with negative pressure suction cup (1405), and the outside one side of negative pressure suction cup (1405) is connected with exhaust tube (1406), aspiration pump (1407) are installed to the other end of exhaust tube (1406), and aspiration pump (1407) are located the inside of fixed frame (12).

5. The roughness detecting device for machining of the cylinder outer cylinder according to claim 4, characterized in that: the clamping plates (1403) are provided with four groups, the clamping plates (1403) are uniformly distributed in a symmetrical mode about the center line of the limiting plate (13), and the clamping plates (1403) form a telescopic structure through the miniature telescopic rods (1402) and the fixing plate (1401).

6. The roughness detecting device for machining of the cylinder outer cylinder according to claim 4, characterized in that: the symmetry center of the negative pressure sucking disc (1405) coincides with the symmetry center of the limiting plate (13), and the negative pressure sucking disc (1405) is communicated with the inside of the air extracting pump (1407) through the air extracting pipe (1406).

7. The roughness detecting device for machining the cylinder outer cylinder according to claim 1, characterized in that: the bearing plate (24) forms a rotating structure with the push plate (22) through the rotating motor (23), and the push plate (22) forms a lifting structure with the mounting seat (20) through the electric push rod (21).

8. The roughness detecting device for machining the cylinder outer cylinder according to claim 1, characterized in that: the positioning and deviation rectifying mechanism (26) comprises a first electric telescopic rod (2601), a deviation rectifying plate (2602), a connecting plate (2603), a second electric telescopic rod (2604) and a correcting plate (2605), wherein the first electric telescopic rod (2601) is installed on the front side and the rear side of the upper portion of the bearing plate (24), the deviation rectifying plate (2602) is fixed on the top end of the first electric telescopic rod (2601), the connecting plate (2603) is fixed on both sides of the deviation rectifying plate (2602), the second electric telescopic rod (2604) is installed on the inner side of the connecting plate (2603), and the correcting plate (2605) is fixed on the top end of the second electric telescopic rod (2604).

9. The roughness detecting device for machining the cylinder outer cylinder according to claim 8, characterized in that: the deviation rectifying plates (2602) are arranged in two groups, the symmetric centers of the deviation rectifying plates (2602) are overlapped with the symmetric centers of the bearing plates (24), and the deviation rectifying plates (2602) are parallel to each other.

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