CN211121056U - Revolved body inner cavity size detection device - Google Patents

Abstract

The utility model provides a solid of revolution inner chamber size detection device belongs to the technical field that solid of revolution inner chamber size detected, and the device includes V type supporting shoe, fixed benchmark board and by the internal diameter and the degree of depth determine module, internal diameter determine module, the determine module that beats, chamfer determine module, degree of depth and thickness determine module, afterbody internal diameter determine module, beat and detect axial positioning subassembly and chamfer and detect axial positioning subassembly by control system control. The device and the method for detecting the size of the inner cavity of the revolving body can simplify the detection process of the size of the inner cavity of the revolving body and improve the detection precision and the working efficiency.

Description

Revolved body inner cavity size detection device

Technical Field

The utility model belongs to the technical field of solid of revolution inner chamber size detection, a solid of revolution inner chamber size detection device is specifically disclosed.

Background

The shell of the cannonball or a similar revolution body structure thereof has the advantages that the detection of the size of the inner cavity of the shell is limited by the size of the mouth of a product and the depth of the inner cavity, the shell can be detected only by manually using a special detection tool at present, a set of special detection tool needs to be ordered for each size, the detection precision is difficult to meet the requirement, a large amount of manpower and material resources have to be input for achieving the generation efficiency, the labor intensity of manual transfer is very high due to the dead weight of the product, and meanwhile, the influence of subjective factors of detection personnel is large, so that the reliability of a detection result is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solid of revolution inner chamber size detection device can simplify the testing process of solid of revolution (big gun shell casing or similar structure) inner chamber size, improves and detects precision and work efficiency.

In order to achieve the purpose, the utility model provides a revolved body inner cavity size detection device, which comprises a V-shaped supporting block, a fixed reference plate, an inner diameter and depth detection assembly, an inner diameter detection assembly, a bounce detection assembly, a chamfer detection assembly, a depth and thickness detection assembly, a tail inner diameter detection assembly, a bounce detection axial positioning assembly and a chamfer detection axial positioning assembly, wherein the inner diameter and depth detection assembly, the inner diameter detection assembly, the bounce detection assembly, the chamfer detection axial positioning assembly, the depth and thickness detection assembly, the tail; the V-shaped supporting blocks are used for placing the to-be-tested revolving bodies, and the number of the V-shaped supporting blocks is four; the fixed reference plate is positioned on one side where the mouth of the revolving body to be detected is positioned, and is provided with a reference hole corresponding to the mouth of the revolving body to be detected; the inner diameter and depth detection assembly, the inner diameter detection assembly, the jumping detection assembly and the chamfer detection assembly are positioned on the outer side of the fixed reference plate and respectively correspond to the four reference holes one by one, and the sizes of the mouth part and the inner cavity of the revolving body to be detected are detected by adopting a laser displacement sensor; the inner diameter and depth detection assembly, the inner diameter detection assembly and the chamfer detection assembly further comprise a first rotating mechanism for driving the corresponding laser displacement sensor to rotate and a first axial moving mechanism for driving the first rotating mechanism to move axially; the bounce detection assembly also comprises a second axial moving mechanism for driving the corresponding laser displacement sensor to move along the axial direction; the depth and thickness detection assembly, the tail inner diameter detection assembly, the bounce detection axial positioning assembly and the chamfer detection axial positioning assembly are positioned on the outer side of the V-shaped supporting block and correspond to the inner diameter and depth detection assembly, the inner diameter detection assembly, the bounce detection assembly and the chamfer detection assembly one by one, and a tail positioning plate and a third axial moving mechanism driving the tail positioning plate to move axially are adopted to tightly press the tail part of the revolving body to be detected so that the mouth part of the revolving body to be detected is abutted against a reference hole; the depth and thickness detection assembly and the tail inner diameter detection assembly adopt laser displacement sensors to detect the tail size of the to-be-detected revolving body, and sensor positioning holes for the laser displacement sensors to penetrate through are formed in the tail positioning plate; the depth and thickness detection assembly further comprises a fourth axial movement mechanism and a radial movement mechanism which are used for driving the corresponding laser displacement sensors to move axially and radially; the tail inner diameter detection assembly also comprises a second rotating mechanism for driving the corresponding laser displacement sensor to rotate and a fifth axial moving mechanism for driving the second rotating mechanism to move along the axial direction; the V-shaped supporting block between the jumping detection component and the jumping detection axial positioning component is a roller type supporting block and is used for driving the revolving body to be detected to rotate; the inner diameter and depth detection assembly is used for detecting the depth of the cavity, the diameter of the middle lower part of the inner arc, the diameter of the large end face of the upper conical hole and the diameter of the small end face of the upper conical hole; the depth and thickness detection assembly is used for detecting the depth of the undercut and the depth of the straight platform; the inner diameter detection assembly is used for detecting the diameter of the tool retracting aperture, the diameter of the upper part of the inner arc, the diameter of the cavity and the diameter of the middle part of the inner arc; the tail inner diameter detection assembly is used for detecting the diameter of the undercut; the jump detection assembly is used for detecting thickness difference; the chamfer detection assembly is used for detecting the chamfer diameter and the cone angle.

Furthermore, the first axial moving mechanism is an embedded screw sliding table, and a first rotating mechanism mounting plate is arranged on the sliding seat; the first rotating mechanism comprises a first rotating motor, a first bearing seat and a first mounting column; the first rotating motor is arranged on the first rotating mechanism mounting plate through a motor base; the first bearing seat is fixed on the first rotating mechanism mounting plate, and the inside of the first bearing seat is fixedly connected with the outer ring of the bearing; the first mounting column penetrates through the first bearing seat and is fixedly connected with the inner ring of the bearing, the end part positioned on the inner side is provided with a corresponding laser displacement sensor, and the end part positioned on the outer side is in transmission with the first rotating motor through a synchronous belt;

the second axial moving mechanism is an embedded screw sliding table, a mounting column support is arranged on the sliding seat, and a second mounting column penetrates through the mounting column support; the end part of the second mounting column positioned at the inner side is provided with a corresponding laser displacement sensor;

the third axial moving mechanism is a cylinder, and the tail positioning plate is arranged on the piston end of the third axial moving mechanism;

the fourth axial moving mechanism is an embedded screw sliding table, and a radial moving mechanism mounting plate is arranged on the sliding seat; the radial moving mechanism is a ball screw type sliding table and is arranged on a mounting plate of the radial moving mechanism, a mounting column supporting plate is arranged on the sliding seat, and a third mounting column is arranged on the mounting column supporting plate; the end part of the third mounting column positioned at the inner side is provided with a corresponding laser displacement sensor;

the fifth axial moving mechanism is an embedded screw sliding table, and a second rotating mechanism mounting plate is arranged on the sliding seat; the second rotating mechanism comprises a second rotating motor, a second bearing seat and a fourth mounting column; the second rotating motor is arranged on the second rotating mechanism mounting plate through a motor base; the second bearing seat is fixed on the second rotating mechanism mounting plate, and the inside of the second bearing seat is fixedly connected with the outer ring of the bearing; the fourth mounting column penetrates through the second bearing seat and is fixedly connected with the inner ring of the bearing, the end part positioned on the inner side is provided with an isosceles reflector and a corresponding laser displacement sensor, and the end part positioned on the outer side is in transmission with the second rotating motor through a synchronous belt; the isosceles reflecting mirror is used for reflecting the laser emitted by the laser displacement sensor to the inner wall of the tail part of the revolving body to be detected.

Furthermore, induction sheets are arranged on the sliding table of the first axial moving mechanism, the sliding table of the second axial moving mechanism, the sliding table of the fourth axial moving mechanism and the sliding table of the fifth axial moving mechanism; photoelectric sensors corresponding to the induction sheet are arranged on the fixed seat of the first axial moving mechanism, the fixed seat of the second axial moving mechanism, the fixed seat of the fourth axial moving mechanism and the fixed seat of the fifth axial moving mechanism; the detection signal of the photoelectric sensor is received by the control system.

Furthermore, the device for detecting the size of the inner cavity of the revolving body also comprises an internal transfer assembly; strip-shaped transfer holes are formed in two sides of the V-shaped supporting block; the internal transfer component comprises a transfer platform, a transfer platform lifting mechanism for driving the transfer platform to lift and a transfer platform translation mechanism for driving the transfer platform lifting mechanism to do linear reciprocating motion along the four V-shaped supporting blocks; the transfer platform is oppositely provided with V-shaped lifting plates, the V-shaped lifting plates can extend out of strip-shaped transfer holes on two sides of a V-shaped supporting block and transfer the to-be-tested revolving body on the former V-shaped supporting block to the latter V-shaped supporting block; the transfer platform lifting mechanism and the transfer platform translation mechanism are controlled by the control system.

Further, the translation mechanism of the transfer platform comprises a translation cylinder, translation guide rails arranged on two sides of the translation cylinder and a translation base arranged above the translation cylinder and the translation guide rails; the bottom surface of the translation base is provided with a floating joint and a translation sliding block; the floating joint is connected with the piston end of the translation cylinder; the translation sliding block is matched with the translation guide rail; the transfer platform lifting mechanism comprises a shear type lifting arm, a movable hinged end, a fixed hinged end, a lead screw driving motor, a lead screw nut and lower lifting guide rails, wherein the lead screw driving motor is fixed on the translation base through a motor frame; an output shaft of the lead screw driving motor is connected with the end part of the lead screw through a coupler; a lower movable hinged end mounting plate is fixed on the screw nut; the bottom surface of the lower movable hinged end mounting plate is provided with a lower lifting slide block matched with the lower lifting guide rail; an upper lifting guide rail corresponding to the lower lifting guide rail is arranged on the bottom surface of the transfer platform; the upper lifting guide rail is provided with an upper lifting slide block; an upper movable hinged end mounting plate is arranged on the upper lifting slide block; the movable hinged end is fixed on the lower movable hinged end mounting plate and the upper movable hinged end mounting plate; the fixed hinged end is fixed on the transfer platform and the translation base; the end part of the scissor type lifting arm is respectively hinged with the movable hinged end and the fixed hinged end.

Furthermore, V-shaped supporting plates which correspond to the V-shaped supporting blocks one by one are arranged between the strip-shaped transferring holes and the fixed reference plate; the V-shaped supporting plate comprises a V-shaped rubber supporting part and a fixing part positioned below the V-shaped rubber supporting part.

Further, the full-automatic detection line for the size of the inner cavity of the revolving body also comprises a radial pressing assembly; the radial pressing assembly comprises pressing beams with two ends arranged on two sides of the four V-shaped supporting blocks and radial pressing cylinders which are arranged on the pressing beams and correspond to the V-shaped supporting blocks one by one; the radial pressing cylinder is controlled by a control system, a T-shaped mounting plate is arranged at the piston end, a Y-shaped support is hinged to the vertical end of the T-shaped mounting plate, and a radial pressing roller is arranged on the Y-shaped support.

Furthermore, the radial pressing assembly also comprises pressing beam moving mechanisms, pressing beam limiting mechanisms and end mounting plates which are arranged on two sides of the four V-shaped supporting blocks; the pressing beam moving mechanism is a rodless cylinder; the pressing beam limiting mechanism is of a guide rail sliding block structure, and a guide rail of the pressing beam moving mechanism is parallel to a guide rail of the pressing beam limiting mechanism; the end mounting plate is connected with a piston of the pressing beam moving mechanism and a sliding block of the pressing beam limiting mechanism; two ends of the compression beam are respectively fixed on the end mounting plates at two sides; end mounting plate limiting blocks are arranged at two ends of a guide rail of the compression beam limiting mechanism, and a photoelectric switch and an oil buffer are arranged on the end mounting plate limiting blocks; the detection signal of the photoelectric switch is received by the control system, and the control system controls the pressing beam moving mechanism according to the detection signal.

Furthermore, the size detection device also comprises a code spraying assembly arranged behind the four V-shaped supporting blocks; the code spraying assembly is used for spraying codes to unqualified products, is controlled by the control system and comprises a spray head and a sixth axial moving mechanism for driving the spray head to move along the axial direction; the sixth axial moving mechanism is a belt sliding table, and an adjustable spray head bracket is arranged on the sliding seat; the adjustable spray nozzle bracket is formed by hinging a plurality of plates.

The detection method of the device for detecting the size of the inner cavity of the revolving body comprises the following steps:

s1, the laser displacement sensor corresponding to the inner diameter and depth detection assembly extends into the to-be-detected revolving body, records the return value of the laser displacement sensor after the laser displacement sensor reaches the stroke, calculates the depth of the inner cavity according to the relative position of the fixed reference plate and the origin of the laser displacement sensor and the moving distance of the laser displacement sensor, moves the laser displacement sensor to the inner diameter measuring section according to the depth of the inner cavity, records the return value while rotating the laser displacement sensor for one circle, and calculates the inner diameter according to an extreme method;

the laser displacement sensor corresponding to the depth and thickness detection assembly firstly moves radially to measure the return value of the end face, moves axially after resetting to enter the tail inner cavity to measure the return value of the inner end face, and calculates the tail depth by combining the relative movement positions of the laser displacement sensors obtaining the return values of the two positions;

calculating the bottom thickness according to the original points and respective depths of the laser displacement sensors corresponding to the inner diameter and depth detection assembly and the depth and thickness detection assembly;

s2, calculating the axial feed amount of the laser displacement sensor corresponding to the inner diameter detection assembly according to the detection result of the inner cavity depth in the step S1, enabling the laser displacement sensor to reach the section of the inner diameter to be detected, controlling the laser displacement sensor to rotate for a circle, continuously recording the return value of the laser displacement sensor, and processing the return value and bringing the return value into an inner diameter calculation formula;

according to the detection result of the depth and thickness detection assembly in the step S1, calculating the axial feed amount of the laser displacement sensor corresponding to the tail inner diameter detection assembly, enabling the laser displacement sensor to reach the section of the measured inner diameter, controlling the laser displacement sensor to rotate for a circle, continuously recording the return value of the laser displacement sensor, and bringing the return value into an inner diameter calculation formula after processing;

s3, according to the detection results of the cavity depth and the tail depth in the step S1, the axial feed amount of the laser displacement sensor corresponding to the jumping detection assembly is calculated, the laser displacement sensor reaches the position of a detected jumping section, the revolving body to be detected is controlled to rotate for a circle, the return value of the laser displacement sensor is continuously recorded, and the maximum variation of the return value is compared to obtain jumping;

s4, according to the depth detection result in the step S1, the axial feeding amount of the laser displacement sensor corresponding to the chamfer detection assembly is calculated, the laser displacement sensor reaches the position near the mouth, the axial feeding of the laser displacement sensor is controlled, the return value of the laser displacement sensor is continuously recorded in the process until the position of the laser displacement sensor exceeds the chamfer, the laser displacement sensor rotates by 120 degrees, the laser displacement sensor is controlled to exit the position of the mouth, the return value of the laser displacement sensor is continuously recorded in the process, the laser displacement sensor is controlled to rotate to 240 degrees, the axial feeding of the laser displacement sensor is controlled, the return value of the laser displacement sensor is continuously recorded in the process, the angle of each data acquisition is recorded, and the chamfer diameter is calculated through a three-point method.

Compared with the prior art, the utility model discloses following beneficial effect has.

1. An advanced laser displacement sensor is adopted, so that one sensor can detect a plurality of sizes;

2. a higher-precision detection method is provided for the detection of the inner cavity of the product with a small mouth and a deep inner cavity;

2. the detection process is automated, manual detection is replaced, the efficiency is improved, and the detection precision is improved;

3. the automatic quick-drying code spraying assembly is arranged, so that product tracing is realized, unqualified products are marked, and the labor amount for manually removing the unqualified products is reduced;

4. the detection requirement of compatibility of various products is met, and switching among different products can be achieved only by replacing the tooling clamp and changing system configuration.

Drawings

Fig. 1 is a schematic structural view of a device for detecting a size of an inner cavity of a revolving body provided in embodiment 1;

FIG. 2 is a schematic structural view of the lumen size detection device of the rotor shown in FIG. 1 in another direction;

FIG. 3 is a diagram showing the positional relationship among a V-shaped support block, a fixed reference plate and a radial pressing member in the device for detecting the size of the inner cavity of the rotating body;

FIG. 4 is a schematic structural view of an inner diameter and depth detecting assembly in the device for detecting the size of the inner cavity of the rotary body;

FIG. 5 is a schematic structural view of an inner diameter detection assembly in the device for detecting the size of the inner cavity of the revolving body;

FIG. 6 is a schematic structural diagram of a runout detecting assembly of the device for detecting the size of the inner cavity of the rotor;

FIG. 7 is a schematic structural diagram of a chamfer detection assembly in the device for detecting the size of the inner cavity of the rotor;

FIG. 8 is a schematic structural view of a depth and thickness detecting assembly in the device for detecting the size of the inner cavity of the rotary body;

FIG. 9 is a schematic structural view of a tail inner diameter detection assembly in the device for detecting the size of the inner cavity of the revolving body;

FIG. 10 is a schematic view of an isosceles mirror of the tail inner diameter detecting assembly shown in FIG. 9;

FIG. 11 is a schematic structural diagram of an internal transfer assembly in the device for detecting the size of the inner cavity of the revolving body;

FIG. 12 is a schematic structural diagram of a transfer platform, which is not installed on an internal transfer component, in the device for detecting the size of the inner cavity of the revolving body;

FIG. 13 is a schematic structural diagram of a radial compression assembly in the lumen size detection device of the rotary body;

FIG. 14 is a schematic structural diagram of a code spraying assembly in the device for detecting the size of the inner cavity of the rotary body;

FIG. 15 is a schematic view of the construction of the V-shaped support block between the runout detecting assembly and the runout detecting axial positioning assembly;

fig. 16 is a schematic view of the internal structure of the V-shaped support block shown in fig. 15.

In the figure: 1.01-V shaped support blocks; 1.02-fixing the reference plate; 1.03-inner diameter and depth detection assembly; 1.04-inner diameter detection assembly; 1.05-a jitter detection component; 1.06-chamfer angle detection assembly; 1.07-depth and thickness detection assembly; 1.08-tail inner diameter detection component; 1.09-a runout detection axial positioning assembly; 1.10-chamfer detection axial positioning assembly; 1.11-laser displacement sensor; 1.12 — a first axial movement mechanism; 1.13-second axial movement mechanism; 1.14-tail positioning plate; 1.15-a third axial movement mechanism; 1.16-a fourth axial movement mechanism; 1.17-radial movement mechanism; 1.18-fifth axial moving mechanism; 1.19-first rotary mechanism mounting plate; 1.20 — a first rotating electrical machine; 1.21-a first bearing seat; 1.22-a first mounting post; 1.23-synchronous belt; 1.24-mounting the post support; 1.25-a second mounting post; 1.26-radial movement mechanism mounting plate; 1.27-mounting a column support plate; 1.28-a third mounting post; 1.29-a second rotary mechanism mounting plate; 1.30-a second rotating electrical machine; 1.31-second bearing seat; 1.32-a fourth mounting post; 1.33-isosceles mirror; 1.34-strip transfer wells; 1.35-transport platform; 1.36-V type lifting plate; 1.37-translation cylinder; 1.38-translation guide; 1.39-translation base; 1.40-floating joint; 1.41-translation slide block; 1.42-scissor lift arm; 1.43-living hinge end; 1.44-fixed hinged end; 1.45-lead screw drive motor; 1.46-screw bearing support seat; 1.47-lead screw; 1.48-lower lifting guide rail; 1.49-lower movable hinged end mounting plate; 1.50-lower lifting slide block; 1.51-up and down guide rails; 1.52-up-down slide; 1.53-mounting plate of upper movable hinged end; 1.54-hold down beam; 1.55-radial compacting cylinder; 1.56-T type mounting plate; 1.57-Y shaped stents; 1.58-radial pinch rollers; 1.59-pressing beam moving mechanism; 1.60-a compression beam limiting mechanism; 1.61-end mounting plate; 1.62-end mounting plate limit block; 1.63-code spraying assembly; 1.64-spray head; 1.65-a sixth axial movement mechanism; 1.66-adjustable spray head holder; 1.67-detection rack; 1.68-support wheels; 1.69-supporting wheel mounting seat; 1.70-driving wheel; 1.71-drive wheel bearing seat; 1.72-drive wheel motor; 1.73-wings; 1.74-V shaped support plate; 1.75-photoelectric sensor.

Detailed Description

Example 1

The embodiment provides a revolving body inner cavity size detection device, which comprises a V-shaped supporting block 1.01, a fixed reference plate 1.02, an inner diameter and depth detection assembly 1.03, an inner diameter detection assembly 1.04, a bounce detection assembly 1.05, a chamfer detection assembly 1.06, a depth and thickness detection assembly 1.07, a tail inner diameter detection assembly 1.08, a bounce detection axial positioning assembly 1.09 and a chamfer detection axial positioning assembly 1.10, wherein the inner diameter and depth detection assembly 1.03, the inner diameter detection assembly 1.04, the bounce detection assembly 1.05, the chamfer detection assembly 1.06, the; the V-shaped supporting blocks 1.01 are used for placing the to-be-tested revolving bodies, and the number of the V-shaped supporting blocks is four; the fixed reference plate 1.02 is positioned at one side of the mouth part of the revolving body to be detected and is provided with a reference hole corresponding to the mouth part of the revolving body to be detected; the inner diameter and depth detection assembly 1.03, the inner diameter detection assembly 1.04, the jumping detection assembly 1.05 and the chamfer detection assembly 1.06 are positioned on the outer side of the fixed reference plate 1.02 and respectively correspond to the four reference holes one by one, and the sizes of the mouth part and the inner cavity of the revolving body to be detected are detected by a laser displacement sensor 1.11; the inner diameter and depth detection assembly 1.03, the inner diameter detection assembly 1.04 and the chamfer detection assembly 1.06 further comprise a first rotating mechanism for driving the corresponding laser displacement sensor 1.11 to rotate and a first axial moving mechanism 1.12 for driving the first rotating mechanism to move axially; the bounce detection assembly 1.05 also comprises a second axial moving mechanism 1.13 which is used for driving the corresponding laser displacement sensor 1.11 to move along the axial direction; the depth and thickness detection assembly 1.07, the tail inner diameter detection assembly 1.08, the bounce detection axial positioning assembly 1.09 and the chamfer detection axial positioning assembly 1.10 are positioned at the outer side of the V-shaped supporting block 1.01 and correspond to the inner diameter and depth detection assembly 1.03, the inner diameter detection assembly 1.04, the bounce detection assembly 1.05 and the chamfer detection assembly 1.06 one by one, and a tail positioning plate 1.14 and a third axial movement revolving body mechanism 1.15 driving the tail positioning plate 1.14 to move axially are adopted to tightly press the tail of the revolving body to be detected so that the mouth of the revolving body to be detected is abutted against a reference hole; the depth and thickness detection assembly 1.07 and the tail inner diameter detection assembly 1.08 adopt a laser displacement sensor 1.11 to detect the tail size of the revolving body to be detected, and a sensor positioning hole for the laser displacement sensor 1.11 to pass through is formed in each tail positioning plate 1.14; the depth and thickness detection assembly 1.07 further comprises a fourth axial moving mechanism 1.16 and a radial moving mechanism 1.17, wherein the fourth axial moving mechanism 1.16 and the radial moving mechanism are used for driving the corresponding laser displacement sensor 1.11 to move axially and radially; the tail inner diameter detection assembly 1.08 further comprises a second rotating mechanism for driving the corresponding laser displacement sensor 1.11 to rotate and a fifth axial moving mechanism 1.18 for driving the second rotating mechanism to move axially; a V-shaped supporting block 1.01 between the jumping detection component 1.05 and the jumping detection axial positioning component 1.09 is a roller type supporting block and is used for driving the revolving body to be detected to rotate; the feeding conveying line 1, the mouth part and inner cavity cleaning device 2 and the size detection device 3 are controlled by a control system.

The inner diameter and depth detection assembly 1.03 is used for detecting the depth of the cavity, the diameter of the middle and lower parts of the inner arc, the diameter of the large end face of the upper conical hole and the diameter of the small end face of the upper conical hole, 4 laser displacement sensors 1.11 are needed in total, and the thickness is calculated by a control system; the depth and thickness detection component 1.07 is used for detecting the depth of the undercut and the depth of the straight platform, and 1 laser displacement sensor 1.11 is needed; the inner diameter detection assembly 1.04 is used for detecting the diameter of a tool retracting aperture, the diameter of the upper part of an inner arc, the diameter of a cavity and the diameter of the middle part of the inner arc, and 2 laser displacement sensors 1.11 are needed; the tail inner diameter detection component 1.08 is used for detecting the diameter of the undercut, and 1 laser displacement sensor 1.11 is needed; the jump detection component 1.05 is used for detecting thickness difference and needs 3 laser displacement sensors 1.11; the chamfer detection assembly 1.06 is used to detect chamfer diameter and taper angle and requires 1 laser displacement sensor 1.11. The whole size detection device 3 needs 12 laser displacement sensors 1.11 in total, wherein the depth of the detection chamber adopts a miixi iridium spectrum common focus sensor, and the rest is a Weekg sensor.

Further, as shown in fig. 4, 5 and 7, in the inner diameter and depth detecting assembly 1.03, the inner diameter detecting assembly 1.04 and the chamfer detecting assembly 1.06, the first axial moving mechanism 1.12 is an embedded screw sliding table, and the sliding base is provided with a first rotating mechanism mounting plate 1.19; the first rotating mechanism comprises a first rotating motor 1.20, a first bearing seat 1.21 and a first mounting column 1.22; the first rotating motor 1.20 is arranged on the first rotating mechanism mounting plate 1.19 through a motor base; the first bearing seat 1.21 is fixed on the first rotating mechanism mounting plate 1.19, and the inside of the first bearing seat is fixedly connected with the outer ring of the bearing; the first mounting column 1.22 penetrates through the first bearing seat 1.21 and is fixedly connected with an inner ring of the bearing, the end part positioned on the inner side is provided with a corresponding laser displacement sensor 1.11, and the end part positioned on the outer side is in transmission with the first rotating motor 1.20 through a synchronous belt 1.23;

as shown in fig. 6, in the bounce detection assembly 1.05, the second axial moving mechanism 1.13 is an embedded screw sliding table, the sliding seat is provided with a mounting column support 1.24, and a second mounting column 1.25 is arranged on the mounting column support 1.24 in a penetrating manner; the end part of the second mounting column 1.25 positioned at the inner side is provided with a corresponding laser displacement sensor 1.11;

as shown in fig. 12, 9, 8 and 9, in the depth and thickness detecting assembly 1.07, the tail inner diameter detecting assembly 1.08, the runout detecting axial positioning assembly 1.09 and the chamfer detecting axial positioning assembly 1.10, the third axial moving mechanism 1.15 is a cylinder, and the tail positioning plate 1.14 is mounted on the piston end of the third axial moving mechanism 1.15;

as shown in fig. 8, in the depth and thickness detecting assembly 1.07, the fourth axial moving mechanism 1.16 is an embedded screw sliding table, and a radial moving mechanism mounting plate 1.26 is arranged on the sliding base; the radial moving mechanism 1.17 is a ball screw type sliding table and is arranged on a mounting plate 1.26 of the radial moving mechanism, a mounting column support plate 1.27 is arranged on the sliding seat, and a third mounting column 1.28 is arranged on the mounting column support plate 1.27; the end part of the third mounting column 1.28 positioned at the inner side is provided with a corresponding laser displacement sensor 1.11;

as shown in fig. 9 and 10, in the tail inner diameter detection assembly 1.08, the fifth axial moving mechanism 1.18 is an embedded screw sliding table, and the sliding base is provided with a second rotating mechanism mounting plate 1.29; the second rotating mechanism comprises a second rotating motor 1.30, a second bearing seat 1.31 and a fourth mounting column 1.32; the second rotating motor 1.30 is arranged on the second rotating mechanism mounting plate 1.29 through a motor base; the second bearing seat 1.31 is fixed on the second rotary mechanism mounting plate 1.29, and the inside of the second bearing seat is fixedly connected with the outer ring of the bearing; a fourth mounting column 1.32 penetrates through a second bearing seat 1.31 and is fixedly connected with an inner ring of the bearing, an isosceles reflector 1.33 and a corresponding laser displacement sensor 1.11 are mounted at the end part positioned on the inner side, and the end part positioned on the outer side is in transmission with a second rotating motor 1.30 through a synchronous belt 1.23; the isosceles reflecting mirror 1.33 is used for reflecting the laser emitted by the laser displacement sensor 1.11 to the inner wall of the tail part of the revolving body to be measured.

Furthermore, induction sheets are arranged on the sliding table of the first axial moving mechanism 1.12, the sliding table of the second axial moving mechanism 1.13, the sliding table of the fourth axial moving mechanism 1.16 and the sliding table of the fifth axial moving mechanism 1.18; a photoelectric sensor 1.75 corresponding to the induction sheet is arranged on the fixed seat of the first axial moving mechanism 1.12, the fixed seat of the second axial moving mechanism 1.13, the fixed seat of the fourth axial moving mechanism 1.16 and the fixed seat of the fifth axial moving mechanism 1.18; the detection signal of the photosensor 1.75 is received by the control system, which controls the axial feed according to the detection signal.

Further, the size detection device further comprises an internal transfer assembly; strip-shaped transfer holes 1.34 are formed in two sides of the V-shaped supporting block 1.01; the internal transfer component comprises a transfer platform 1.35, a transfer platform lifting mechanism for driving the transfer platform 1.35 to lift and a transfer platform translation mechanism for driving the transfer platform lifting mechanism to do linear reciprocating motion along the four V-shaped supporting blocks 1.01; the transfer platform 1.35 is relatively provided with V-shaped lifting plates 1.36, the V-shaped lifting plates 1.36 can extend out of strip-shaped transfer holes 1.34 at two sides of the V-shaped supporting block 1.01 to transfer the revolving body to be tested on the former V-shaped supporting block 1.01 to the latter V-shaped supporting block 1.01; the transfer platform lifting mechanism and the transfer platform translation mechanism are controlled by the control system.

Further, the transfer platform translation mechanism comprises a translation cylinder 1.37, translation guide rails 1.38 arranged on two sides of the translation cylinder 1.37, and a translation base 1.39 arranged above the translation cylinder 1.37 and the translation guide rails 1.38; the bottom surface of the translation base 1.39 is provided with a floating joint 1.40 and a translation sliding block 1.41; the floating joint 1.40 is connected with the piston end of the translation cylinder 1.37; the translation sliding block 1.41 is matched with the translation guide rail 1.38; the transfer platform lifting mechanism comprises a shear type lifting arm 1.42, a movable hinged end 1.43, a fixed hinged end 1.44, a lead screw driving motor 1.45 fixed on the translation base 1.39 through a motor frame, a lead screw 1.47 with two ends fixed on the translation base 1.39 through a lead screw bearing support seat 1.46, a lead screw nut penetrating through the lead screw 1.47, and lower lifting guide rails 1.48 arranged on the translation base 1.39 and positioned at two sides of the lead screw 1.47; the output shaft of the screw rod driving motor 1.45 is connected with the end part of the screw rod 1.47 through a coupler; a lower movable hinged end mounting plate 1.49 is fixed on the screw nut; the bottom surface of the lower movable hinged end mounting plate 1.49 is provided with a lower lifting slide block 1.50 matched with the lower lifting guide rail 1.48; the bottom surface of the transfer platform 1.35 is provided with an upper lifting guide rail 1.51 corresponding to the lower lifting guide rail 1.48; an upper lifting slide block 1.52 is assembled on the upper lifting guide rail 1.51; an upper movable hinged end mounting plate 1.53 is arranged on the upper lifting slide block 1.52; the movable hinged end 1.43 is fixed on the lower movable hinged end mounting plate 1.49 and the upper movable hinged end mounting plate 1.53; the fixed hinged end 1.44 is fixed on the transfer platform 1.35 and the translation base 1.39; the ends of the scissor lift arm 1.42 are hinged to the movable hinged end 1.43 and the fixed hinged end 1.44, respectively.

The working process of the transfer platform translation mechanism is as follows: the piston of the translation cylinder 1.37 stretches out and draws back to push the translation sliding block 1.41 to reciprocate along the translation guide rail 1.38, namely, the translation platform lifting mechanism is driven to do linear reciprocating motion along the four V-shaped supporting blocks 1.01.

The working process of the transfer platform lifting mechanism is as follows: the lead screw driving motor 1.45 works to drive the lead screw 1.47 to rotate, due to the matching of the lower lifting guide rail 1.48 and the lower lifting slide block 1.50, the lead screw nut moves along the lead screw 1.47 to drive the lower lifting slide block 1.50 to reciprocate along the lower lifting guide rail 1.48, the shear type lifting arm 1.42 drives the upper lifting slide block 1.52 to synchronously reciprocate along the upper lifting guide rail 1.51, and the distance between the movable end and the fixed end of the shear type lifting arm 1.42 is changed to realize lifting.

Further, V-shaped support plates 1.74 which correspond to the V-shaped support blocks 1.01 one to one are arranged between the strip-shaped transfer holes 1.34 and the fixed reference plate 1.02 and are used for supporting the mouth part of the revolving body to be tested; the V-shaped supporting plate 1.74 comprises a V-shaped rubber supporting part and a fixing part positioned below the V-shaped rubber supporting part, and the contact between the V-shaped rubber supporting part and the revolving body to be tested can reduce surface scratches.

Further, the size detection device also comprises a radial compression assembly; the radial pressing component comprises pressing beams 1.54 of which two ends are arranged at two sides of the four V-shaped supporting blocks 1.01 and radial pressing cylinders 1.55 which are arranged on the pressing beams 1.54 and correspond to the V-shaped supporting blocks 1.01 one by one; radial pressure cylinder 1.55 is controlled by control system, and the piston end is provided with T type mounting panel 1.56, and the vertical tip of T type mounting panel 1.56 articulates there is Y type support 1.57, is provided with radial pressure roller 1.58 on the Y type support 1.57.

Furthermore, the radial pressing component also comprises pressing beam moving mechanisms 1.59, pressing beam limiting mechanisms 1.60 and end mounting plates 1.61 which are arranged on two sides of the four V-shaped supporting blocks 1.01; the pressing beam moving mechanism 1.59 is a rodless cylinder; the pressing beam limiting mechanism 1.60 is of a guide rail sliding block structure, and a guide rail of the pressing beam moving mechanism 1.59 is parallel to a guide rail of the pressing beam limiting mechanism 1.60; the end mounting plate 1.61 is connected with a piston of the pressing beam moving mechanism 1.59 and a slide block of the pressing beam limiting mechanism 1.60; two ends of the compression beam 1.54 are respectively fixed on the end mounting plates 1.61 at two sides; end mounting plate limiting blocks 1.62 are arranged at two ends of a guide rail of the compression beam limiting mechanism 1.60, and a photoelectric switch and an oil buffer are arranged on the end mounting plate limiting blocks 1.62; the detection signal of the photoelectric switch is received by the control system, and the control system controls the compaction beam moving mechanism 1.59 according to the detection signal.

Further, the size detection device also comprises a code spraying assembly 1.63 arranged behind the four V-shaped supporting blocks 1.01; the code spraying assembly 1.63 is used for spraying codes to unqualified products and is controlled by a control system, and comprises a spray head 1.64 and a sixth axial moving mechanism 1.65 for driving the spray head 1.64 to move axially; the sixth axial moving mechanism 1.65 is a belt sliding table, and an adjustable spray head bracket 1.66 is arranged on the sliding seat; the adjustable nozzle support 1.66 is formed by hinging a plurality of plates.

Further, the size detection device also comprises a detection frame 1.67.

Further, the V-shaped supporting block 1.01 between the jumping detection component 1.05 and the jumping detection axial positioning component 1.09 is a roller type supporting block, and the specific structure is as follows: comprises a supporting wheel 1.68, a supporting wheel mounting seat 1.69, a driving wheel 1.70, a driving wheel bearing seat 1.71 and a driving wheel motor 1.72; the wheel shaft of the supporting wheel 1.68 is fixed in the supporting wheel mounting seat 1.69, and the wheel body is rotatably mounted on the wheel shaft and extends out of the wheel groove of the supporting wheel mounting seat 1.69; the driving wheel bearing seat 1.71 is fixed in the supporting wheel mounting seat 1.69, and the inside of the driving wheel bearing seat is fixedly connected with the outer ring of the bearing; the driving wheel 1.70 is positioned below the supporting wheel 1.68, the wheel shaft passes through the driving wheel bearing seat 1.71 and is fixedly connected with the inner ring of the bearing, and the wheel body is fixed on the wheel shaft and is contacted with the wheel body of the supporting wheel 1.68; the driving wheel motor 1.72 is fixed on the supporting wheel mounting seat 1.69 and is controlled by the control system, and the output shaft is connected with the driving wheel 1.70 through the synchronous belt 1.23; and a wheel groove of the supporting wheel mounting seat 1.69 is provided with a protective wing 1.73 for supporting the tail of the revolving body to be tested.

In this embodiment, the control system is integrated in the numerical control console and the electric control cabinet, and is designed by a person skilled in the relevant field as a conventional means.

Example 2

The embodiment provides a detection method of the device for detecting the size of the inner cavity of the rotator based on the embodiment 1, which comprises the following steps:

s1, the laser displacement sensor 1.11 corresponding to the inner diameter and depth detection assembly 1.03 extends into the to-be-detected revolving body, after the to-be-detected revolving body reaches the stroke of the laser displacement sensor 1.11, the return value of the laser displacement sensor 1.11 is recorded, the depth of an inner cavity is calculated according to the relative position of the fixed reference plate 1.02 and the origin of the laser displacement sensor 1.11 and the moving distance of the laser displacement sensor 1.11, the laser displacement sensor 1.11 is moved to the inner diameter measuring section according to the depth of the inner cavity, the return value is recorded when the laser displacement sensor 1.11 rotates for one circle, and the inner diameter is calculated according to an extreme value method;

the laser displacement sensor 1.11 corresponding to the depth and thickness detection assembly 1.07 firstly moves radially to measure the return value of the end surface, moves axially after resetting to enter the tail inner cavity to measure the return value of the inner end surface, and calculates the tail depth by combining the relative movement positions of the laser displacement sensor 1.11 obtaining the two position return values;

calculating the bottom thickness according to the original points and the respective depths of the laser displacement sensor 1.11 corresponding to the inner diameter and depth detection assembly 1.03 and the depth and thickness detection assembly 1.07;

s2, calculating the axial feed amount of the laser displacement sensor 1.11 corresponding to the inner diameter detection assembly 1.04 according to the detection result of the inner cavity depth in the step S1, enabling the laser displacement sensor 1.11 to reach the section of the measured inner diameter, controlling the laser displacement sensor 1.11 to rotate for a circle, continuously recording the return value of the laser displacement sensor 1.11, and bringing the return value into an inner diameter calculation formula after processing;

according to the detection result of the depth and thickness detection assembly 1.07 of S1 in the step, calculating the axial feed amount of the laser displacement sensor 1.11 corresponding to the tail inner diameter detection assembly 1.08, enabling the laser displacement sensor 1.11 to reach the section of the measured inner diameter, controlling the laser displacement sensor 1.11 to rotate for a circle, continuously recording the return value of the laser displacement sensor 1.11, and bringing the return value into an inner diameter calculation formula after processing;

s3, calculating the axial feed amount of the laser displacement sensor 1.11 corresponding to the bounce detection component 1.09 according to the detection results of the cavity depth and the tail depth in the step S1, enabling the laser displacement sensor 1.11 to reach the position of a measured bounce section, controlling the to-be-detected revolving body to rotate for a circle, continuously recording the return value of the laser displacement sensor 1.11, and comparing the maximum variation of the return value to obtain the bounce;

s4, according to the depth detection result in the step S1, the axial feeding amount of the laser displacement sensor 1.11 corresponding to the chamfer detection assembly 1.06 is calculated, the laser displacement sensor 1.11 is made to reach the position near the mouth, the axial feeding of the laser displacement sensor 1.11 is controlled, the return value of the laser displacement sensor 1.11 is continuously recorded in the process until the position of the laser displacement sensor 1.11 exceeds the chamfer, the laser displacement sensor 1.11 rotates 120 degrees, the laser displacement sensor 1.11 is controlled to exit the mouth, the return value of the laser displacement sensor 1.11 is continuously recorded in the process, the laser displacement sensor 1.11 is controlled to rotate to 240 degrees, the axial feeding of the laser displacement sensor 1.11 is controlled, the return value of the laser displacement sensor 1.11 is continuously recorded in the process, the angle of each data acquisition is counted, and the chamfer diameter is calculated through a three-point method.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.

Claims (9)

1. A revolved body inner cavity size detection device is characterized by comprising a V-shaped supporting block, a fixed reference plate, an inner diameter and depth detection assembly, an inner diameter detection assembly, a jumping detection assembly, a chamfering detection assembly, a depth and thickness detection assembly, a tail inner diameter detection assembly, a jumping detection axial positioning assembly and a chamfering detection axial positioning assembly, wherein the inner diameter and depth detection assembly, the inner diameter detection assembly, the jumping detection assembly, the chamfering detection axial positioning assembly and the chamfering detection axial positioning assembly are controlled by a control system;

the V-shaped supporting blocks are used for placing the revolving bodies to be tested, and the number of the V-shaped supporting blocks is four;

the fixed reference plate is positioned on one side where the mouth of the revolving body to be detected is positioned, and is provided with a reference hole corresponding to the mouth of the revolving body to be detected;

the inner diameter and depth detection assembly, the inner diameter detection assembly, the jumping detection assembly and the chamfer detection assembly are positioned on the outer side of the fixed reference plate and respectively correspond to the four reference holes one by one, and the sizes of the mouth part and the inner cavity of the revolving body to be detected are detected by adopting a laser displacement sensor;

the inner diameter and depth detection assembly, the inner diameter detection assembly and the chamfer detection assembly further comprise a first rotating mechanism for driving the corresponding laser displacement sensor to rotate and a first axial moving mechanism for driving the first rotating mechanism to move axially;

the jumping detection assembly further comprises a second axial moving mechanism for driving the corresponding laser displacement sensor to move along the axial direction;

the depth and thickness detection assembly, the tail inner diameter detection assembly, the bounce detection axial positioning assembly and the chamfer detection axial positioning assembly are positioned on the outer side of the V-shaped supporting block and correspond to the inner diameter and depth detection assembly, the inner diameter detection assembly, the bounce detection assembly and the chamfer detection assembly one by one, and a tail positioning plate and a third axial moving mechanism driving the tail positioning plate to move axially are adopted to tightly press the tail part of the revolving body to be detected so that the mouth part of the revolving body to be detected is abutted against a reference hole;

the depth and thickness detection assembly and the tail inner diameter detection assembly adopt laser displacement sensors to detect the tail size of the revolving body to be detected, and sensor positioning holes for the laser displacement sensors to penetrate through are formed in the tail positioning plates;

the depth and thickness detection assembly further comprises a fourth axial moving mechanism and a radial moving mechanism which are used for driving the corresponding laser displacement sensors to move axially and radially;

the tail inner diameter detection assembly also comprises a second rotating mechanism for driving the corresponding laser displacement sensor to rotate and a fifth axial moving mechanism for driving the second rotating mechanism to move along the axial direction;

the V-shaped supporting block between the jumping detection assembly and the jumping detection axial positioning assembly is a roller type supporting block and is used for driving the revolving body to be detected to rotate;

the inner diameter and depth detection assembly is used for detecting the depth of the cavity, the diameter of the middle lower part of the inner arc, the diameter of the large end face of the upper conical hole and the diameter of the small end face of the upper conical hole;

the depth and thickness detection assembly is used for detecting the depth of the undercut and the depth of the straight platform;

the inner diameter detection assembly is used for detecting the diameter of a tool retracting aperture, the diameter of the upper part of the inner arc, the diameter of the cavity and the diameter of the middle part of the inner arc;

the tail inner diameter detection assembly is used for detecting the diameter of the undercut;

the jump detection component is used for detecting thickness difference;

the chamfer detection assembly is used for detecting a chamfer diameter and a taper angle.

2. The revolving body cavity size detection device of claim 1, wherein the first axial moving mechanism is an embedded screw sliding table, and the sliding base is provided with a first revolving mechanism mounting plate;

the first rotating mechanism comprises a first rotating motor, a first bearing seat and a first mounting column;

the first rotating motor is arranged on the first rotating mechanism mounting plate through a motor base;

the first bearing seat is fixed on the first rotating mechanism mounting plate, and the inner part of the first bearing seat is fixedly connected with the outer ring of the bearing;

the first mounting column penetrates through the first bearing seat and is fixedly connected with the inner ring of the bearing, the end part positioned on the inner side is provided with a corresponding laser displacement sensor, and the end part positioned on the outer side is in transmission with the first rotating motor through a synchronous belt;

the second axial moving mechanism is an embedded screw sliding table, a mounting column support is arranged on the sliding seat, and a second mounting column penetrates through the mounting column support;

the end part of the second mounting column positioned at the inner side is provided with a corresponding laser displacement sensor;

the third axial moving mechanism is a cylinder, and the tail positioning plate is arranged on the piston end of the third axial moving mechanism;

the fourth axial moving mechanism is an embedded screw sliding table, and a radial moving mechanism mounting plate is arranged on the sliding seat;

the radial moving mechanism is a ball screw type sliding table and is arranged on a mounting plate of the radial moving mechanism, a mounting column supporting plate is arranged on the sliding seat, and a third mounting column is arranged on the mounting column supporting plate;

the end part of the third mounting column positioned at the inner side is provided with a corresponding laser displacement sensor;

the fifth axial moving mechanism is an embedded screw sliding table, and a second rotating mechanism mounting plate is arranged on the sliding seat;

the second rotating mechanism comprises a second rotating motor, a second bearing seat and a fourth mounting column;

the second rotating motor is arranged on the second rotating mechanism mounting plate through a motor base;

the second bearing seat is fixed on the second rotating mechanism mounting plate, and the inner part of the second bearing seat is fixedly connected with the outer ring of the bearing;

the fourth mounting column penetrates through the second bearing seat and is fixedly connected with the inner ring of the bearing, the end part positioned on the inner side is provided with an isosceles reflector and a corresponding laser displacement sensor, and the end part positioned on the outer side is in transmission with the second rotating motor through a synchronous belt;

the isosceles reflecting mirror is used for reflecting the laser emitted by the laser displacement sensor to the inner wall of the tail part of the revolving body to be detected.

3. A revolving body cavity size detection device according to claim 2, wherein the slide table of the first axial moving mechanism, the slide table of the second axial moving mechanism, the slide table of the fourth axial moving mechanism and the slide table of the fifth axial moving mechanism are provided with sensing pieces;

photoelectric sensors corresponding to the induction sheet are arranged on the fixed seat of the first axial moving mechanism, the fixed seat of the second axial moving mechanism, the fixed seat of the fourth axial moving mechanism and the fixed seat of the fifth axial moving mechanism;

the detection signal of the photoelectric sensor is received by a control system.

4. The device for detecting the size of the inner cavity of the revolving body according to claim 3, further comprising an internal transfer component;

strip-shaped transfer holes are formed in two sides of the V-shaped supporting block;

the internal transfer assembly comprises a transfer platform, a transfer platform lifting mechanism for driving the transfer platform to lift and a transfer platform translation mechanism for driving the transfer platform lifting mechanism to linearly reciprocate along the four V-shaped supporting blocks;

the transfer platform is oppositely provided with V-shaped lifting plates, the V-shaped lifting plates can extend out of strip-shaped transfer holes on two sides of a V-shaped supporting block and transfer the to-be-tested revolving body on the former V-shaped supporting block to the latter V-shaped supporting block;

the transfer platform lifting mechanism and the transfer platform translation mechanism are controlled by a control system.

5. The revolving body inner cavity size detection device according to claim 4, wherein the transfer platform translation mechanism comprises a translation cylinder, translation guide rails arranged on both sides of the translation cylinder, and a translation base arranged above the translation cylinder and the translation guide rails;

the bottom surface of the translation base is provided with a floating joint and a translation sliding block;

the floating joint is connected with the piston end of the translation cylinder;

the translation sliding block is matched with the translation guide rail;

the transfer platform lifting mechanism comprises a shear type lifting arm, a movable hinged end, a fixed hinged end, a lead screw driving motor fixed on the translation base through a motor frame, a lead screw with two ends fixed on the translation base through a lead screw bearing supporting seat, a lead screw nut penetrating through the lead screw, and lower lifting guide rails arranged on the translation base and positioned on two sides of the lead screw;

the output shaft of the lead screw driving motor is connected with the end part of the lead screw through a coupler;

a lower movable hinged end mounting plate is fixed on the screw nut;

the bottom surface of the lower movable hinged end mounting plate is provided with a lower lifting slide block matched with the lower lifting guide rail;

an upper lifting guide rail corresponding to the lower lifting guide rail is arranged on the bottom surface of the transfer platform;

the upper lifting guide rail is provided with an upper lifting slide block;

an upper movable hinged end mounting plate is mounted on the upper lifting slide block;

the movable hinged end is fixed on the lower movable hinged end mounting plate and the upper movable hinged end mounting plate;

the fixed hinged end is fixed on the transfer platform and the translation base;

the end part of the scissor type lifting arm is hinged with the movable hinged end and the fixed hinged end respectively.

6. The revolving body inner cavity size detection device according to claim 4, wherein V-shaped support plates corresponding to the V-shaped support blocks one to one are provided between the strip-shaped transfer hole and the fixed reference plate;

the V-shaped supporting plate comprises a V-shaped rubber supporting part and a fixing part located below the V-shaped rubber supporting part.

7. The device for detecting the size of the inner cavity of the revolving body according to claim 5, further comprising a radial pressing component;

the radial pressing assembly comprises pressing beams with two ends arranged on two sides of the four V-shaped supporting blocks and radial pressing cylinders which are arranged on the pressing beams and correspond to the V-shaped supporting blocks one by one;

the radial pressing cylinder is controlled by a control system, a T-shaped mounting plate is arranged at the piston end, a Y-shaped support is hinged to the vertical end of the T-shaped mounting plate, and a radial pressing roller is arranged on the Y-shaped support.

8. The device for detecting the size of the inner cavity of the revolving body according to claim 7, wherein the radial pressing assembly further comprises a pressing beam moving mechanism, a pressing beam limiting mechanism and an end mounting plate which are arranged on two sides of the four V-shaped supporting blocks;

the pressing beam moving mechanism is a rodless cylinder;

the pressing beam limiting mechanism is of a guide rail sliding block structure, and a guide rail of the pressing beam moving mechanism is parallel to a guide rail of the pressing beam limiting mechanism;

the end mounting plate is connected with a piston of the pressing beam moving mechanism and a sliding block of the pressing beam limiting mechanism;

two ends of the compression beam are respectively fixed on the end mounting plates at two sides;

end mounting plate limiting blocks are arranged at two ends of a guide rail of the compression beam limiting mechanism, and a photoelectric switch and an oil buffer are arranged on the end mounting plate limiting blocks;

and a detection signal of the photoelectric switch is received by the control system, and the control system controls the pressing beam moving mechanism according to the detection signal.

9. The revolving body cavity size detection device according to claim 8, further comprising a code spraying assembly disposed behind the four V-shaped support blocks;

the code spraying assembly is used for spraying codes to unqualified products, is controlled by the control system and comprises a spray head and a sixth axial moving mechanism for driving the spray head to move axially;

the sixth axial moving mechanism is a belt sliding table, and an adjustable spray head bracket is arranged on the sliding seat;

the adjustable spray nozzle support is formed by hinging a plurality of plates.

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