CN116659336A - A detection system for the ear hole of the hinged beam of a six-sided top press - Google Patents

Abstract

A six-sided top press hinge beam ear hole detection system, including a detection device and a calibration device; the detection device includes a chuck, a spline sleeve, a spline shaft and a fixed seat; the center of the chuck is coaxially rotatably connected with A spline sleeve, the spline sleeve is slidingly fitted with a spline shaft; one end of the spline shaft is coaxially fastened and connected with a fixed seat, and the fixed seat is equipped with a ring for measuring the roundness or coaxial The measuring device of the degree data; the side of the ear hole of the hinge beam of the six-sided press is equipped with a calibration device for detecting the beating of the fixed seat; the invention has simple structure, convenient and quick detection, and the chuck is installed on the hinge beam of the six-sided press during detection. One side of the ear hole is enough, no need to repeatedly adjust the position of the hinge beam of the six-sided press, which greatly reduces the difficulty of measurement; it is effective to install a calibration device on the side of the hinge beam of the six-sided press to detect the beating of the fixed seat The detection accuracy is guaranteed.

Description

A detection system for the ear hole of the hinged beam of a six-sided top press

technical field

The invention relates to the technical field of manufacturing six-sided presses, in particular to a detection system for earholes of hinge beams of six-sided presses.

Background technique

The six-sided press is a device used to manufacture artificial superhard materials. At present, the hinged six-sided hydraulic press is used more often. The hinged six-sided press has six hinged beams hinged together according to the cubic structure. Each hinge beam is equipped with four sets of ear holes, and the roundness and coaxiality of the ear holes of the hinge beam directly affect the assembly accuracy of the whole machine, and even relate to whether the six-sided press can operate normally; most of the existing high-precision measurement methods use three Coordinate measuring instrument, but the hinge beam of the six-sided top press is large in size and weight, and cannot be measured on the three-coordinate measuring instrument. There is no effective detection method in the industry, and it can only be guaranteed by the accuracy of the processing equipment itself. Problems often occur during the assembly process of the top press, which delays the assembly progress. Therefore, it is urgent to develop a device and method for detecting the ear holes of the hinge beam of the six-sided top press. Ensure that subsequent assembly can proceed smoothly;

Chinese patent (notification number: CN215676833U) discloses a coaxiality laser detection device, which includes X, Y, Z three-way adjustment mechanism, measurement unit, data acquisition and analysis system; the measurement unit includes a laser beam emitter and a laser Detection target; the X-direction adjustment mechanism is composed of the X-axis slide base and the X-axis drive assembly; the Y-direction adjustment mechanism is composed of the Y-direction slide base and the Y-direction slide; the Z-direction adjustment mechanism is composed of a column and a lifting slider , the lifting slider penetrates the column, and the lifting slider includes the structure of the lifting slider box and the mounting seat. Although this patent can be adjusted flexibly and can cope with the coaxiality detection of various workpieces, it is not suitable for the ear holes of the hinge beam of the six-sided top press. Its structure is fixed. The hinge beam of the six-sided top press is large in size and heavy in weight, and each has four sets of ear holes. If the coaxiality laser detection device is used for detection, it is necessary to repeatedly adjust the positioning. Although it can be detected, the detection efficiency is low;

Chinese patent (publication number: CN110749293A) discloses a device and method for measuring coaxiality of large-span shaft-hole parts. Align the axis of the hole or shaft part; the laser source part is used to emit the reference laser beam that coincides with the axis of the hole or shaft part on one side; the position display part is used to receive the laser and measure the two The coaxiality of the parts to be tested; this patent can only be used to test the coaxiality of the shaft and hole parts. For the hinge beam of the six-sided press, the roundness of the ear hole is also important, so it also needs to be tested, but this patent cannot Simultaneously check the roundness.

Contents of the invention

In order to overcome the deficiencies in the background technology, the invention discloses an ear hole detection system for a hinge beam of a six-sided top press.

In order to realize the above-mentioned purpose of the invention, the present invention adopts following technical scheme:

A six-sided top press hinge beam ear hole detection system, including a detection device and a calibration device; the detection device includes a chuck, a spline sleeve, a spline shaft and a fixed seat; the center of the chuck is coaxially rotatably connected with A spline sleeve, the spline sleeve is slidingly fitted with a spline shaft; one end of the spline shaft is coaxially fastened and connected with a fixed seat, and the fixed seat is equipped with a ring for measuring the roundness or coaxial The measurement device for the degree data; the side of the ear hole of the hinge beam of the six-sided top press is equipped with a calibration device for detecting the beating of the fixed seat.

Preferably, the measuring device and the calibration device are dial gauges.

Preferably, the measuring device is a laser rangefinder, and the chuck is equipped with a servo motor for driving the rotation of the spline sleeve.

Preferably, both ends of the spline sleeve are coaxially fastened with an anti-backlash device; the anti-backlash device is included in the positioning ring corresponding to the coaxial fastening connection of the spline sleeve, and the position of the positioning ring corresponding to the keyway of the spline shaft is uniform. A mounting hole is provided, and a ball ball corresponding to the corresponding key groove of the spline shaft is installed at a position corresponding to the mounting hole, and a spring for resisting the ball is arranged in the mounting hole.

Preferably, the mounting holes are blind holes.

Preferably, the installation hole is a through hole, and the side of the through hole away from the ball is provided with a plug for resisting the spring; or the installation hole is a stepped through hole, and the side of the stepped through hole away from the ball is provided with a plug for The plug that resists the spring is provided with a limit boss that is adapted to the stepped through hole to ensure uniform compression of the spring.

Preferably, the position where the spline sleeve protrudes from the chuck is provided with a top screw for locking the spline shaft.

Preferably, the outer end of the chuck is embedded with a wear-resistant ceramic block.

Preferably, a handle is provided on the side of the chuck away from the fixing seat.

The detection method using the ear hole detection system of the hinge beam of the six-sided top press includes the following steps:

S1. Install the detection device, install the chuck at the ear hole on one side of the hinge beam of the six-sided top press, so that the chuck claws are in contact with the inner wall of the ear hole, and ensure that the spline shaft is coaxial with the corresponding ear hole;

S2. Calibration of the detection device. A calibration device for detecting the beating of the fixed seat is installed on one side of the hinge beam of the six-sided top press. The calibration device can be a dial indicator or a laser rangefinder; the spline sleeve is rotated, and the spline sleeve drives The spline shaft then drives the fixed seat to rotate, and the runout of the fixed seat is detected by a dial indicator or a laser range finder to judge whether the detection device is working normally, and at the same time judge whether the spline shaft is installed tilted; if the runout of the fixed seat exceeds the specified range It is necessary to return to step S1 and reinstall the detection device until the runout of the fixing seat is within the specified range;

S3. Roundness detection, so that the spline shaft moves axially along the spline sleeve, and then adjust the position of the fixing seat, so that the measuring head of the measuring device can be aligned with the inner wall of the ear hole of the hinge beam of the six-sided top press;

If the measuring device is a dial gauge, rotate the spline sleeve for several cycles, record the measured value of the dial gauge, and adjust the position of the fixed seat in the same ear hole axially for at least three times;

If the measuring device is a laser rangefinder, the spline sleeve is driven by a servo motor to rotate, and a value is measured every 0.5° or 1° rotation, and the measurement data is drawn through the software to judge the roundness of the corresponding ear hole.

S4. Coaxiality detection, based on one of the ear holes of the hinge beam of the six-sided top press, install the detection device, and ensure that the position of the chuck remains unchanged, so that the spline shaft moves along the axial direction of the spline sleeve, and then adjust the position of the fixed seat position, measure all the ear holes of the hinge beam of the six-sided press, compare the measured data, and judge the coaxiality of the ear holes of the hinge beam of the six-sided press.

Due to the adoption of the above-mentioned technical scheme, the present invention has the following beneficial effects:

The invention discloses a six-sided press hinge beam ear hole detection system, which has a simple structure and can not only detect the roundness of the six-sided press hinge beam ear holes, but also detect the same group of ear holes of the six-sided press hinge beam. axis, and the detection is convenient and quick. During the detection, the chuck can be installed at the ear hole on one side of the hinge beam of the six-sided press, and there is no need to repeatedly adjust the position of the hinge beam of the six-sided press, which greatly reduces the difficulty of measurement; A calibration device for detecting the runout of the fixed seat is installed on the side of the hinge beam of the six-sided top press. The calibration device can be a dial indicator or a laser rangefinder; the spline sleeve is rotated, and the spline sleeve drives the spline shaft to drive The fixed seat is rotated, and the runout of the fixed seat is detected by a dial indicator or a laser rangefinder to judge whether the detection device is working normally, and at the same time judge whether the spline shaft is installed tilted; if the runout of the fixed seat exceeds the specified range, return to step S1 , reinstall the detection device until the beating amount of the fixed seat is within the specified range, effectively ensuring the accuracy of the detection;

In addition, both ends of the spline sleeve are coaxially fastened and connected with an anti-backlash device, which ensures the coaxiality of the spline shaft and the spline sleeve through balls touching the spline shaft, and eliminates the gap between the spline shaft and the spline shaft. The problem of coaxiality cannot be guaranteed due to the gap fit between the sleeves, which further reduces the system error, improves the accuracy of detection, and effectively improves the smoothness of the axial movement of the spline shaft.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is a structural representation of the present invention;

Fig. 3 is a side view of the present invention;

Fig. 4 is the sectional view of anti-backlash device;

Fig. 5 is a cross-sectional view of a partial structure of the anti-backlash device.

In the figure: 1. chuck; 2. spline sleeve; 3. spline shaft; 4. fixed seat; 5. measuring device; 6. servo motor; 7. anti-backlash device; 7-1. positioning ring; 2. Mounting hole; 7-3, ball; 7-4, spring; 7-5, plug; 8, top wire; 9, wear-resistant ceramic block; 10, handle.

Implementation

The present invention can be explained in detail by the following examples. The purpose of disclosing the present invention is intended to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms "upper" and "lower ", "front", "rear", "left", "right" and other indicated orientations or positional relationships are only corresponding to the drawings of this application, for the convenience of describing the present invention, rather than indicating or implying the referred device Or components must have a specific orientation.

Embodiment 1, in combination with accompanying drawings 1 to 3, a six-sided press machine hinge beam ear hole detection system, including a detection device and a calibration device; the detection device includes a chuck 1, a spline sleeve 2, a spline shaft 3 and The fixed seat 4; the central position of the chuck 1 is coaxially connected with a spline sleeve 2, and the spline sleeve 2 is slidingly fitted with a spline shaft 3, that is, the spline shaft 3 can move axially along the spline sleeve 2, The spline sleeve 2 can drive the spline shaft 3 to move axially;

One end of the spline shaft 3 is fastened coaxially with a fixed seat 4, and the fixed seat 4 is equipped with a measuring device 5 for measuring the roundness or coaxiality data of the hinge beam ear hole of the six-sided top press; the measuring device 5 is a thousand points Meter or laser rangefinder; one side of the ear hole of the hinge beam of the six-sided top press is equipped with a calibration device for detecting the runout of the fixing seat 4, and the calibration device is a dial gauge;

Follow the steps below when testing:

S1. Install the detection device, install the chuck 1 at the ear hole on one side of the hinge beam of the six-sided top press, so that the claws of the chuck 1 are in contact with the inner wall of the ear hole, and ensure that the spline shaft 3 is coaxial with the corresponding ear hole;

S2. Calibration of the detection device. A calibration device for detecting the jump of the fixed seat 4 is installed on one side of the hinge beam of the six-sided top press. The calibration device can be a dial indicator or a laser rangefinder; the rotary spline sleeve 2, the spline The sleeve 2 drives the spline shaft 3 and then drives the fixed seat 4 to rotate, and detects the beating amount of the fixed seat 4 through a dial indicator or a laser rangefinder to judge whether the detection device is working normally, and at the same time judge whether the spline shaft 3 is installed tilted; if it is fixed If the beating amount of seat 4 exceeds the specified range, it is necessary to return to step S1 and reinstall the detection device until the beating amount of fixed seat 4 is within the specified range;

S3, roundness detection, make the spline shaft 3 move axially along the spline sleeve 2, and then adjust the position of the fixing seat 4, so that the measuring head of the measuring device 5 can be aligned with the inner wall of the ear hole of the hinge beam of the six-sided press;

If the measuring device 5 is a dial indicator, then rotate the spline sleeve 2 for several weeks, record the measured value of the dial indicator, and adjust the position of the fixed seat 4 in the same ear hole axially for at least three times;

If the measuring device 5 is a laser range finder, the spline sleeve 2 is driven to rotate by a servo motor, and a value is measured every 0.5° or 1° of rotation, and the measurement data is drawn by software to determine the roundness of the corresponding ear hole.

S4. Coaxiality detection, based on one of the ear holes of the hinge beam of the six-sided top press, install the detection device, and ensure that the position of the chuck 1 remains unchanged, so that the spline shaft 3 moves axially along the spline sleeve 2, and then adjust For the position of the fixed seat 4, measure all the ear holes of the hinge beam of the six-sided press, compare the measured data, and judge the coaxiality of the ear holes of the hinge beam of the six-sided press.

Embodiment 2, in conjunction with accompanying drawings 1 to 5, a six-sided press machine hinge beam ear hole detection system, the difference from Embodiment 1 is that on the basis of Embodiment 1, both ends of the spline sleeve 2 are The coaxial fastening connection has an anti-backlash device 7; the anti-backlash device 7 is included in the positioning ring 7-1 corresponding to the coaxial fastening connection of the spline sleeve 2, and the position of the positioning ring 7-1 corresponding to the spline shaft 3 key grooves are all set There is a mounting hole 7-2, and a ball 7-3 corresponding to the corresponding keyway of the spline shaft 3 is installed at the position corresponding to the mounting hole 7-2, and a spring 7 for resisting the ball 7-3 is arranged in the mounting hole 7-2 -4;

That is, the coaxiality between the splined shaft 3 and the splined sleeve 2 is ensured by the contact of the ball 7-3 against the splined shaft 3, eliminating the problem that the coaxiality cannot be guaranteed due to the clearance fit between the splined shaft 3 and the splined sleeve 2 , while effectively improving the smoothness of the 3-axis movement of the spline shaft;

The mounting hole 7-2 is a blind hole, that is, the spring 7-4 can be installed in the mounting hole 7-2 first, then the ball 7-3 can be installed, and finally the spline shaft 3 can be inserted;

Or the mounting hole 7-2 is a through hole, and the side of the through hole away from the ball 7-3 is provided with a plug 7-5 for resisting the spring 7-4, that is, the spline shaft 3 can be inserted first and then the balls can be installed in sequence. Bead 7-3, spring 7-4 and plug 7-5 effectively reduce the difficulty of assembly;

Or the mounting hole 7-2 is a stepped through hole, and the side of the stepped through hole away from the ball 7-3 is provided with a plug 7-5 for resisting the spring 7-4, and the plug 7-5 is provided with a step connection. The hole is matched to the limit boss to ensure the uniform compression of the spring 7-4, which can avoid the eccentricity of the spline shaft 3 and the spline sleeve 2 due to the inconsistency of the compression of the spring 7-4, which further improves the assembly accuracy and reduces the assembly accuracy. difficulty.

Embodiment 3, in combination with accompanying drawings 1 to 5, a six-sided press machine hinge beam ear hole detection system, on the basis of Embodiment 1 or 2, the position where the spline sleeve 2 extends out of the chuck 1 is provided for Lock the top screw 8 of the spline shaft 3, that is, the spline shaft 3 can be locked by the top screw 8 when not in use, so as to prevent the spline shaft 3 from moving freely and accidentally falling out of the spline sleeve 2;

The outer end of the chuck 1 is embedded with a wear-resistant ceramic block 9, which can avoid the increase of the system measurement error due to the wear of the jaws of the chuck 1 and improve the service life at the same time; the side of the chuck 1 away from the fixed seat 4 A handle 10 is provided, which is convenient for the operator to clamp and install the chuck 1 with the corresponding ear holes of the hinge beam of the six-sided top press.

The unspecified parts of the present invention are prior art. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other ways without departing from the spirit or essential features of the present invention. Embodiments of the present invention are realized in specific forms; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and all changes falling within the meaning and range of equivalent elements are intended to be embraced within the present invention.

Claims (10)

1. A hexahedral top press hinge beam earhole detection system is characterized in that: comprises a detection device and a calibration device; the detection device comprises a chuck (1), a spline housing (2), a spline shaft (3) and a fixed seat (4); the center of the chuck (1) is coaxially and rotatably connected with a spline housing (2), and a spline shaft (3) is slidably matched with the spline housing (2); one end of the spline shaft (3) is coaxially and fixedly connected with a fixed seat (4), and the fixed seat (4) is provided with a measuring device (5) for measuring roundness or coaxiality data of a hinge beam earhole of the hexahedral press; and one side of the hinge beam earhole of the hexahedral press is provided with a calibrating device for detecting the jump of the fixed seat (4).

2. The hexahedral press hinge beam earhole detection system according to claim 1, wherein: the measuring device (5) and the calibrating device are dial gauges.

3. The hexahedral press hinge beam earhole detection system according to claim 1, wherein: the measuring device (5) is a laser range finder, and the chuck (1) is provided with a servo motor (6) for driving the spline housing (2) to rotate.

4. The hexahedral press hinge beam earhole detection system according to claim 1, wherein: the two ends of the spline housing (2) are coaxially and fixedly connected with gap eliminating devices (7); the anti-backlash device (7) comprises a positioning ring (7-1) which is correspondingly and coaxially connected with the spline housing (2), mounting holes (7-2) are formed in the positions, corresponding to the key grooves of the spline shaft (3), of the positioning ring (7-1), ball beads (7-3) which correspondingly collide with the corresponding key grooves of the spline shaft (3) are arranged in the positions, corresponding to the mounting holes (7-2), of the positioning ring, and springs (7-4) used for abutting the ball beads (7-3) are arranged in the mounting holes (7-2).

5. The system for detecting hinge beam earholes of a hexahedral press according to claim 4, wherein: the mounting hole (7-2) is a blind hole.

6. The system for detecting hinge beam earholes of a hexahedral press according to claim 4, wherein: the mounting hole (7-2) is a through hole, and a plug (7-5) for abutting against the spring (7-4) is arranged on one side of the through hole, which is away from the ball (7-3); or the mounting hole (7-2) is a stepped through hole, one side of the stepped through hole, which is away from the ball (7-3), is provided with a plug (7-5) for abutting against the spring (7-4), and the plug (7-5) is provided with a limiting boss which is correspondingly adapted to the stepped through hole to ensure uniform compression quantity of the spring (7-4).

7. The hexahedral press hinge beam earhole detection system according to claim 1, wherein: the position of the spline housing (2) extending out of the chuck (1) is provided with a jackscrew (8) for locking the spline shaft (3).

8. The hexahedral press hinge beam earhole detection system according to claim 1, wherein: one end of the outer side of the chuck (1) is embedded with a wear-resistant ceramic block (9).

9. The hexahedral press hinge beam earhole detection system according to claim 1, wherein: one side of the chuck (1) deviating from the fixed seat (4) is provided with a handle (10).

10. The detection method of the hinge beam earhole detection system of the hexahedral press according to any one of claims 1 to 9, characterized by: comprises the following steps:

s1, installing a detection device, namely installing a chuck (1) at an earhole on one side of a hinge beam of a hexahedral press, so that clamping jaws of the chuck (1) are correspondingly abutted against the inner wall of the earhole, and ensuring that a spline shaft (3) is correspondingly coaxial with the earhole;

s2, calibrating a detection device, wherein a calibration device for detecting the runout of a fixed seat (4) is arranged on one side of a hinge beam of the hexahedral press, and the calibration device can be a dial indicator or a laser range finder; rotating the spline housing (2), driving the spline shaft (3) by the spline housing (2) to further drive the fixing seat (4) to rotate, detecting the runout of the fixing seat (4) through a dial indicator or a laser range finder, judging whether the detection device works normally or not, and judging whether the spline shaft (3) is inclined or not; if the jumping amount of the fixed seat (4) exceeds the specified range, returning to the step S1, and reinstalling the detection device until the jumping amount of the fixed seat (4) is within the specified range;

s3, roundness detection is carried out, so that the spline shaft (3) axially moves along the spline housing (2), and the position of the fixed seat (4) is adjusted, and a measuring head of the measuring device (5) can be aligned with the inner wall of a hinge beam earhole of the hexahedral press;

if the measuring device (5) is a dial indicator, rotating the spline housing (2) for a plurality of weeks, recording the measured value of the dial indicator, and axially adjusting the position of the fixing seat (4) at least three times in the same earhole;

if the measuring device (5) is a laser range finder, driving the spline housing (2) to rotate through a servo motor, measuring a value every 0.5 degrees or 1 degree of rotation, drawing lines on the measured data through software, and judging the roundness of the corresponding earhole;

s4, coaxiality detection, namely taking one lug hole of the hinge beam of the hexahedral press as a reference, installing a detection device, ensuring that the position of the chuck (1) is unchanged, enabling the spline shaft (3) to axially move along the spline sleeve (2), further adjusting the position of the fixing seat (4), measuring all lug holes of the hinge beam of the hexahedral press, comparing measured data, and judging the coaxiality of the lug holes of the hinge beam of the hexahedral press.