CN212482446U

CN212482446U - External inspection device for front axle machining

Info

Publication number: CN212482446U
Application number: CN202021970313.7U
Authority: CN
Inventors: 任虎; 石习勇; 郭俊; 籍旭东; 周风琴
Original assignee: Hubei Tri Ring Axle Co ltd
Current assignee: Hubei Tri Ring Axle Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-02-05
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a front axle detection device technical field especially relates to an examine device outward that is used for front axle machine to add, and it includes manipulator, induction system and control center, the manipulator is provided with around can doing, controls, the last clamping position and the lower clamping position of up-and-down motion, induction system includes preceding visit device and back visit device, the manipulator preceding visit device with back visit device all with the control center electricity is connected. The utility model discloses a can move about, the manipulator, cooperation the induction system, through the collision collection front axle displacement receipt, thereby calculate the dimensional tolerance of front axle, and compare with the model that the system was preserved, thereby to the front axle modeling, and confirm the centre of bore of front axle both ends swizzle, the centre-to-centre spacing of front axle both ends swizzle and the straightness accuracy of front axle, sieve out the unqualified product of front axle simultaneously; the utility model discloses think about scientific and reasonable, simple structure has realized the automated inspection of front axle, has improved front axle assembly line automation production efficiency.

Description

External inspection device for front axle machining

Technical Field

The utility model relates to a front axle detects technical field, especially relates to an examine device outward that is used for front axle machine to add.

Background

The automobile front axle blank needs machining, mainly machining a main pin hole, a side pin hole and a spring base plate at two ends, multiple machining processes and high precision requirement, manual machining is converted into full-automatic machine tool machining at present for improving machining efficiency and leakage prevention, and full-automatic logistics lines are adopted for feeding, so that in order to prevent the front axle blank installed on a machine tool from being a qualified piece, the front axle needs to be subjected to external inspection screening before being installed on the machine tool, and main pin hole center, center line and straightness detection are carried out, so that the machining efficiency of the whole production line is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, and provide the outer device of examining that is used for front axle machine to add, it adopts manipulator cooperation collision induction system, detects the front axle, then compares with the system standard value to carry out data modeling to each front axle in the system, realize accurate positioning and processing, filter unqualified front axle simultaneously.

The utility model provides a technical scheme that its technical problem adopted is: a examine device outward for front axle machine adds, including manipulator, induction system and control center, the manipulator is provided with around can doing, controls, the last centre gripping position and the lower centre gripping position of up-and-down motion, induction system includes preceding probe device and back probe device, the manipulator preceding probe device with back probe device all with the control center electricity is connected, control center is provided with control the control unit of manipulator motion, receipt the feedback unit of induction system signal, handle motion parameter and the central processing unit of modeling is compared to feedback unit data and system.

Furthermore, the manipulator comprises a cross beam, a sliding seat, a vertical arm and a hand seat, wherein two left and right linear rails and a rack I are arranged on one side of the cross beam, the sliding seat is in sliding connection with the left and right linear rails through a sliding block I, the sliding seat is provided with a gear I and a servo motor I for driving the gear I to rotate, and the gear I is meshed with the rack I; two opposite sides of the vertical arm are respectively provided with a vertical linear rail and a rack II, the sliding seat is connected with the vertical linear rail in a sliding mode through a sliding block II, the sliding seat is provided with a gear II and a servo motor II for driving the gear II to rotate, and the gear II is meshed with the rack II; the bottom of the vertical arm is provided with two front and rear line rails, the hand seat is connected with the front and rear line rails in a sliding manner through a third sliding block, the bottom of the vertical arm is provided with a third screw rod and a servo motor for driving the screw rod to rotate, and the hand seat is provided with a screw seat in threaded connection with the screw rod; the upper clamping position and the lower clamping position are arranged at the bottom of the hand seat, and the upper clamping position is located on the rear side of the lower clamping position.

Furthermore, the upper clamping position and the lower clamping position have the same structure and are formed by a left clamp and a right clamp, each clamp comprises an oil cylinder, a fixed clamp and a movable clamp, the fixed clamps are fixed with the cylinder body of the oil cylinder, and the movable clamps are fixed at the end parts of the piston rods of the oil cylinders.

Furthermore, the fixed pincers are provided with a first cushion block for preventing the workpiece from being scratched, and the movable pincers are provided with a second cushion block for preventing the workpiece from being scratched.

Furthermore, the first cushion block is formed by stacking a plurality of circular gaskets, and the second cushion block is a rectangular block.

Further, the below of crossbeam is provided with the cantilever beam, induction system set up in the cantilever beam, preceding spy device includes preceding probe plate, preceding probe, back spy device includes back probe plate, back probe, preceding probe plate back probe plate is the J font, preceding probe plate back probe plate with the cantilever beam is articulated, preceding probe the back probe is fixed in the cantilever beam, the long limit tip of preceding probe plate is contradicted preceding probe, the long limit tip of back probe plate is contradicted back probe, preceding probe the back probe with the control center electricity is connected.

Furthermore, the short edge end parts of the front probe plate and the rear probe plate are hinged with rollers for preventing workpieces from being scratched.

Further, the suspension beam is provided with a hand-changing table which is convenient for the workpiece to be changed from the lower clamping position to the upper clamping position.

Further, the detection method of the external detection device for the front axle machining comprises the following steps:

SP 1: the lower clamping position grabs the front shaft and places the front shaft on the hand changing table, and the upper clamping position grabs the front shaft; SP 2: the upper clamping position moves to an initial position;

SP 3: the upper clamping position makes the outer circumferences of main pins at two ends of a front shaft respectively collide with the rollers on the front probe plate and the rollers on the rear probe plate through left-right and front-back quantitative movement, and at least three collision points are provided for each roller, so that two sides of a spring base plate of the front shaft respectively collide with the rollers on the front probe plate and the rollers on the rear probe plate;

SP 4: when SP3 collision occurs, the displacement data of the upper clamping position and the sensing signals of the front probe and the rear probe are simultaneously fed back to the feedback unit, processed by the central processing unit and compared with a standard model stored by a system to determine the central hole, the center distance and the straightness of the kingpin at the two ends of the front shaft, and simultaneously judge whether the straightness of the front shaft is within the tolerance range to screen whether the front shaft is qualified.

The utility model has the advantages that: a examine device outward for front axle machine adds, it includes manipulator, induction system and control center, the manipulator is provided with around can doing, controls, the last centre gripping position and the lower centre gripping position of up-and-down motion, induction system includes preceding probe device and back probe device, the manipulator preceding probe device with back probe device all with the control center electricity is connected, control center is provided with the control unit of control manipulator motion, receives the feedback unit of induction system signal, handles the motion parameter and the central processing unit of modeling is compared to feedback unit data and system. The utility model discloses a can move about, the manipulator, cooperation the induction system, through the collision collection front axle displacement receipt, thereby calculate the dimensional tolerance of front axle, and compare with the model that the system was preserved, thereby to the front axle modeling, and confirm the centre of bore of front axle both ends swizzle, the centre-to-centre spacing of front axle both ends swizzle and the straightness accuracy of front axle, sieve out the unqualified product of front axle simultaneously; the utility model discloses think about scientific and reasonable, simple structure has realized the automated inspection of front axle, has improved front axle assembly line automation production efficiency.

Drawings

Fig. 1 is a front view of an external inspection device for front axle machining of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a left side sectional view of FIG. 1;

fig. 4 is a top cross-sectional view of fig. 1.

Description of reference numerals:

1-mechanical arm, 11-upper clamping position, 12-lower clamping position, 13-clamp, 131-oil cylinder, 132-fixed clamp, 133-movable clamp, 134-first cushion block, 135-second cushion block, 14-cross beam, 15-slide seat, 16-vertical arm, 17-hand seat, 18-left and right linear rails, 19-first rack, 110-first slide block, 111-first gear, 112-first servo motor, 113-vertical linear rail, 114-second rack, 115-second slide block, 116-second gear, 117-second servo motor, 118-front and rear linear rails, 119-third slide block, 120-screw rod, 121-third servo motor, 122-screw seat, 2-induction device, 21-front detection device, 211-front detection plate, 212-front probe, 22-rear detection device, 221-rear detection plate, 222-rear probe, 223-roller, 3-control center, 31-control unit, 32-feedback unit, 33-central processing unit, 4-cantilever beam, 5-hand-changing table.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.

As shown in fig. 1-4, the external inspection device for front axle machining of the present embodiment includes a manipulator 1, a sensing device 2, and a control center 3, where the manipulator 1 is provided with an upper clamping position 11 and a lower clamping position 12 that can move back and forth, left and right, and up and down, the sensing device 2 includes a front probe device 21 and a rear probe device 22, the manipulator 1, the front probe device 21, and the rear probe device 22 are all electrically connected to the control center 3, and the control center 3 is provided with a control unit 31 that controls the movement of the manipulator 1, a feedback unit 32 that receives signals from the sensing device 2, and a central processor 33 that processes movement parameters and compares data of the feedback unit 32 with a system to model. The utility model discloses a can be around, the manipulator 1 of left and right sides ration removal, cooperate with induction system 2, collect the displacement receipt of front axle when colliding through the collision, thereby calculate the dimensional tolerance of front axle, and compare with the model that the system was preserved, thereby model building to the front axle, and confirm the hole center of front axle both ends swizzle, the centre-to-centre spacing of front axle both ends swizzle, and the straightness accuracy of front axle, sieve out the unqualified product of front axle simultaneously; the utility model discloses think about scientific and reasonable, simple structure has realized the automated inspection of front axle, has improved front axle assembly line automation production efficiency.

The manipulator 1 comprises a cross beam 14, a sliding seat 15, a vertical arm 16 and a hand seat 17, wherein two left and right linear rails 18 and a rack I19 are arranged on one side of the cross beam 14, the sliding seat 15 is in sliding connection with the left and right linear rails 18 through a sliding block I110, the sliding seat 15 is provided with a gear I111 and a servo motor I112 for driving the gear I111 to rotate, and the gear I111 is meshed with the rack I19; two opposite sides of the vertical arm 16 are respectively provided with a vertical linear rail 113 and a second rack 114, the sliding seat 15 is connected with the vertical linear rail 113 in a sliding manner through a second sliding block 115, the sliding seat 15 is provided with a second gear 116 and a second servo motor 117 for driving the second gear 116 to rotate, and the second gear 116 is meshed with the second rack 114; two front and rear linear rails 118 are arranged at the bottom of the vertical arm 16, the hand seat 17 is connected with the front and rear linear rails 118 in a sliding manner through a third sliding block 119, a screw 120 and a third servo motor 121 for driving the screw 120 to rotate are arranged at the bottom of the vertical arm 16, and a screw seat 122 in threaded connection with the screw 120 is arranged on the hand seat 17; the upper clamping position 11 and the lower clamping position 12 are arranged at the bottom of the hand seat 17, and the upper clamping position 11 is located at the rear side of the lower clamping position 12. Manipulator 1 passes through linear rail, slider cooperation at the removal of three coordinate axes and constitutes sliding connection, uses rack and pinion transmission again, or screw drive is drive power, simple structure, and precision is high.

The upper clamping position 11 and the lower clamping position 12 have the same structure and are formed by a left clamp 13 and a right clamp 13, the clamps 13 include oil cylinders 131, fixed clamps 132 and movable clamps 133, the fixed clamps 132 are fixed with the cylinder bodies of the oil cylinders 131, and the movable clamps 133 are fixed at the end parts of piston rods of the oil cylinders 131. The utility model discloses a hydro-cylinder drives power as the centre gripping, can guarantee clamp 13's stability. In order to better clamp the front axle and prevent the front axle from falling or sliding, the fixed clamp 132 is provided with a first cushion block 134 for preventing the workpiece from being scratched, the movable clamp 133 is provided with a second cushion block 135 for preventing the workpiece from being scratched, the first cushion block 134 is formed by overlapping a plurality of circular gaskets, and the second cushion block 135 is a rectangular block so as to clamp the arc-shaped surface of the front axle.

When the front axle collides with the sensing device 2, the front probe plate 211 or the rear probe plate 221 can rotate, and in order to prevent the front axle from being scratched, the short-side end portions of the front probe plate 211 and the rear probe plate 221 are respectively hinged with a roller 223 capable of preventing a workpiece from being scratched.

The utility model relates to a part of whole production line, manipulator 1 is adopted go up 11 clamps of centre gripping position and get the front axle and detect, and manipulator 1 adopts when snatching the front axle from the external world centre gripping position 12 down, so, the hanging beam 4 is provided with the work piece of being convenient for and follows centre gripping position 12 is shifted down go up centre gripping position 11's platform 5 of changing hands.

The utility model discloses a concrete operation flow that is used for outer device of examining that front axle machine adds is: SP 1: the lower clamping position 12 grabs a front shaft and places the front shaft on the hand changing table 5, and the upper clamping position 11 grabs the front shaft;

SP 2: the upper clamping position 11 moves to an initial position;

SP 3: the upper clamping position 11 makes the outer circumferential surfaces of the kingpins at the two ends of the front axle collide with the rollers 223 on the front probe 211 and the rollers 223 on the rear probe 221 respectively through a left-right quantitative movement and a front-back quantitative movement, and there are at least three collision points with each roller 223, in this embodiment, five collision points are provided, so that two sides of the spring cushion plate of the front axle collide with the rollers 223 on the front probe 211 and the rollers 223 on the rear probe 221 respectively;

SP 4: when the collision of SP3 occurs, the displacement data of the upper clamping position 11 and the sensing signals of the front probe 212 and the rear probe 222 are fed back to the feedback unit 32 at the same time, processed by the central processing unit 33, and compared with the standard model stored in the system to determine the center hole, the center distance and the straightness of the kingpin at the two ends of the front axle, and at the same time, whether the straightness of the front axle is within the tolerance range is judged to screen whether the front axle is qualified.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A examine device outward for front axle machining, its characterized in that: the manipulator is provided with an upper clamping position and a lower clamping position which can move front and back, left and right and up and down, the induction device comprises a front detection device and a rear detection device, the manipulator and the front detection device are electrically connected with the control center, and the control center is provided with a control unit for controlling the motion of the manipulator, a feedback unit for receiving signals of the induction device, a central processing unit for processing motion parameters and comparing the data of the feedback unit with a system to build a model.

2. The external inspection device for the front axle machining according to claim 1, characterized in that: the manipulator comprises a cross beam, a sliding seat, a vertical arm and a hand seat, wherein two left and right linear rails and a rack I are arranged on one side of the cross beam, the sliding seat is connected with the left and right linear rails in a sliding mode through a sliding block I, the sliding seat is provided with a gear I and a servo motor I for driving the gear I to rotate, and the gear I is meshed with the rack I; two opposite sides of the vertical arm are respectively provided with a vertical linear rail and a rack II, the sliding seat is connected with the vertical linear rail in a sliding mode through a sliding block II, the sliding seat is provided with a gear II and a servo motor II for driving the gear II to rotate, and the gear II is meshed with the rack II; the bottom of the vertical arm is provided with two front and rear line rails, the hand seat is connected with the front and rear line rails in a sliding manner through a third sliding block, the bottom of the vertical arm is provided with a third screw rod and a servo motor for driving the screw rod to rotate, and the hand seat is provided with a screw seat in threaded connection with the screw rod; the upper clamping position and the lower clamping position are arranged at the bottom of the hand seat, and the upper clamping position is located on the rear side of the lower clamping position.

3. The external inspection device for the front axle machining according to claim 1, characterized in that: the structure of the upper clamping position is the same as that of the lower clamping position, and the upper clamping position and the lower clamping position are formed by a left clamp and a right clamp, each clamp comprises an oil cylinder, a fixed clamp and a movable clamp, the fixed clamps are fixed with the cylinder body of the oil cylinder, and the movable clamps are fixed at the end parts of piston rods of the oil cylinders.

4. The external inspection device for the front axle machining according to claim 3, characterized in that: the fixed pincers are provided with a first cushion block for preventing a workpiece from being scratched, and the movable pincers are provided with a second cushion block for preventing the workpiece from being scratched.

5. The external inspection device for the front axle machining according to claim 4, wherein: the first cushion block is formed by stacking a plurality of circular gaskets, and the second cushion block is a rectangular block.

6. The external inspection device for the front axle machining according to claim 2, characterized in that: the below of crossbeam is provided with the cantilever beam, induction system set up in the cantilever beam, the preceding device of visiting includes preceding probe card, preceding probe, the back is visited the device and is included back probe card, back probe, preceding probe card the back probe card is the J font, preceding probe card the back probe card with the cantilever beam is articulated, preceding probe the back probe is fixed in the cantilever beam, the long limit tip of preceding probe card is contradicted preceding probe, the long limit tip of back probe card is contradicted back probe, preceding probe the back probe with the control center electricity is connected.

7. The peripheral inspection device for the front axle machining according to claim 6, wherein: the front probe plate and the rear probe plate are hinged with rollers for preventing workpieces from being scratched.

8. The peripheral inspection device for the front axle machining according to claim 6, wherein: the suspension beam is provided with a hand-changing table which is convenient for the workpiece to be changed from the lower clamping position to the upper clamping position.