CN219572882U - Quality inspection bench for machine part preparation - Google Patents

Abstract

A quality inspection bench for machine part preparation belongs to the technical field of machine part detection equipment. The center (9) is arranged opposite to the centering clamp (5), the moving device moves along the direction approaching or departing from the centering clamp (5), the detecting device can move along the workbench, the moving direction of the detecting device is parallel to the moving direction of the moving device, and the centering clamp (5) is connected with a power device for driving the centering clamp to rotate; two clamping parts are symmetrically arranged on two sides of the centering clamp (5), the two clamping parts are all in a V shape with inward openings, and the two clamping parts synchronously move towards the direction close to or far from the middle part of the centering clamp (5). The quality inspection bench for the mechanical accessory preparation can realize the straightness and the circle runout of shaft parts, and inspection staff only need to move the inspection device, so that the inspection accuracy can be ensured, and the circle runout is convenient to inspect.

Description

Quality inspection bench for machine part preparation

Technical Field

A quality inspection bench for machine part preparation belongs to the technical field of machine part detection equipment.

Background

After the shaft parts are machined, the circle runout and straightness of the shaft parts are detected, so that machining accuracy of the shaft parts is guaranteed, and the equipment works stably when the shaft parts are installed on the equipment.

The utility model patent application CN109813196A discloses a detection device for straightness and circle run-out of a pin shaft, wherein two ends of the pin shaft to be detected are respectively placed on V-shaped iron, a dial indicator realizes the measurement of straightness of the pin shaft by detecting left and right movement of a sliding block, the dial indicator freely falls on the pin shaft by gravity, and the circle run-out of the pin shaft is measured by rotating the pin shaft for a circle, and the detection device has the following problems in the use process: 1) The pin shaft is positioned on the V-shaped iron at the two ends through self gravity, and the positioning between the pin shaft and the V-shaped iron is unreliable due to the small weight of the pin shaft, so that the positioning precision is poor; 2) When the circle runout detection is carried out, the pin shaft to be detected needs to be rotated by hand, and in the rotation process, the pin shaft is easy to displace in the height direction, so that the detection accuracy is affected.

Disclosure of Invention

The utility model aims to solve the technical problems that: the quality inspection bench for manufacturing the mechanical parts, which overcomes the defects of the prior art, can clamp the shaft parts to be detected and ensure the accuracy of the circle run-out and straightness detection of the shaft parts.

The technical scheme adopted for solving the technical problems is as follows: this quality inspection platform is used in machine part preparation, its characterized in that: the centering fixture comprises a workbench, a centering fixture, a center, a moving device and a detecting device, wherein the centering fixture, the center, the moving device and the detecting device are arranged on the upper side of the workbench, the centering fixture and the workbench can rotate relatively, the center is arranged on the moving device, the center is opposite to the centering fixture, the moving device moves along the direction of approaching or separating from the centering fixture, the detecting device can move along the workbench, the moving direction of the detecting device is parallel to the moving direction of the moving device, and the centering fixture is connected with a power device for driving the centering fixture to rotate;

two clamping parts are symmetrically arranged on two sides of the centering clamp, the two clamping parts are all in a V shape with inward openings, and the two clamping parts synchronously move towards the direction close to or far from the middle part of the centering clamp.

Preferably, the centering fixture comprises a turntable, clamping jaws and clamping screws, wherein the clamping jaws are symmetrically arranged on two sides of the turntable, the clamping screws are rotatably arranged on the turntable and are arranged along the diameter direction of the turntable, the rotation directions of threads at two ends of the clamping screws are opposite, two ends of the clamping screws are respectively in threaded connection with the two clamping jaws, and clamping parts are arranged on the clamping jaws.

Preferably, the two ends of the clamping screw are sleeved with bearing bushes, the turntable is provided with bearing seats, the bearing bushes are rotatably arranged in the bearing seats at the corresponding sides, and the bearing bushes are made of silicon carbide.

Preferably, the clamping jaw comprises a clamping block, a clamping slide seat and a pushing block, a sliding groove is formed in the end face of the rotary disc, the clamping slide seat is slidably arranged in the sliding groove, the pushing block and the clamping block are fixedly connected with the clamping slide seat, the pushing block is in threaded connection with the clamping screw, the clamping block is in a V shape with an inward opening, and the clamping part is formed.

Preferably, the moving device comprises a moving seat, a moving guide rail is arranged on the upper side of the workbench, the moving seat is slidably arranged on the moving guide rail, a moving screw is rotatably arranged on the upper side of the workbench, the moving seat is in threaded connection with the moving screw, and a center is rotatably arranged on the moving seat.

Preferably, the power device is a rotating motor, and the rotating motor is connected with the centering clamp.

Preferably, the detection device comprises a measuring frame and a dial indicator, measuring guide rails are arranged on two sides of the workbench, the measuring frame is a portal frame with a downward opening, two ends of the measuring frame are respectively connected with the measuring guide rails on the corresponding sides in a sliding mode, and the dial indicator is arranged on the horizontal portion of the measuring frame.

Preferably, the middle part slidable of measurement frame install the installation pole, be provided with the lock bolt between installation pole and the measurement frame, the downside at the installation pole is installed to the amesdial.

Compared with the prior art, the utility model has the following beneficial effects:

the centering fixture of the quality inspection bench for manufacturing mechanical accessories clamps and centers one end of a shaft part to be detected through the two clamping parts, the center supports the other end of the shaft part, the shaft part is guaranteed to be clamped accurately, the detection device moves and detects straightness of the shaft part, the power device drives the centering fixture to rotate, the shaft part is further driven to rotate, the shaft part is detected to jump through the detection device, the shaft part can be guaranteed to rotate around the center line of the shaft part, and moreover, detection personnel only need to move the detection device, so that detection accuracy can be guaranteed, and detection of the circle jumping is facilitated.

Drawings

FIG. 1 is a schematic illustration of an annotation of a quality inspection station for machine part manufacturing.

Fig. 2 is a schematic right-side view of a quality inspection station for machine part production.

Fig. 3 is a schematic front cross-sectional view of the centering fixture.

Fig. 4 is a partial enlarged view at a in fig. 3.

Fig. 5 is a schematic top view of the turntable.

Fig. 6 is a schematic perspective view of the clamping jaw.

In the figure: 1. a rotating motor; 2. a drive gear; 3. a driven gear; 4. a mounting shaft; 5. centering the clamp; 501. a turntable; 502. a mounting hole; 503. a radial through hole; 504. a chute; 505. clamping a screw; 506. a clamping jaw; 5061. clamping blocks; 5062. clamping the sliding seat; 5063. a pushing block; 507. a bearing seat; 508. bearing bush; 6. measuring a guide rail; 7. measuring a slide; 8. a measuring rack; 9. a center; 10, a movable seat; 11. moving the screw; 12. a moving guide rail; 13. a mounting rod; 14. and (5) installing a sleeve.

Detailed Description

The present utility model will be further described with reference to specific embodiments, however, it will be appreciated by those skilled in the art that the detailed description herein with reference to the accompanying drawings is for better illustration, and that the utility model is not necessarily limited to such embodiments, but rather is intended to cover various equivalent alternatives or modifications, as may be readily apparent to those skilled in the art.

Fig. 1 to 6 are diagrams illustrating preferred embodiments of the present utility model, and the present utility model is further described below with reference to fig. 1 to 6.

The quality inspection bench for the machine accessory preparation comprises a workbench, a centering clamp 5, a center 9, a moving device and a detecting device, wherein the centering clamp 5, the center 9, the moving device and the detecting device are arranged on the upper side of the workbench, the centering clamp 5 and the workbench can rotate relatively, the center 9 is arranged on the moving device, the center 9 is opposite to the centering clamp 5, the moving device moves in a direction approaching to or far from the centering clamp 5, the detecting device can move along the workbench, the moving direction of the detecting device is parallel to the moving direction of the moving device, and the centering clamp 5 is connected with a power device for driving the centering clamp 5 to rotate; two clamping parts are symmetrically arranged on two sides of the centering clamp 5, the two clamping parts are all in a V shape with inward openings, and the two clamping parts synchronously move towards the direction approaching to or away from the middle part of the centering clamp 5. This centering anchor clamps 5 of quality inspection bench for machine parts preparation press from both sides tightly and centering through the one end of axle type part that two clamping parts treat the detection, top 9 supports the other end of axle type part, guarantee that axle type part clamping is accurate, detection device removes and detects the straightness accuracy of axle type part, power device drives centering anchor clamps 5 and rotates, and then drive axle type part and rotate, detect the circle of axle type part through detection device and beat, can cross guaranteeing that axle type part rotates around its center, moreover the inspector only need remove detection device can, can enough guarantee to detect accurately, the detection of circle beat has been made things convenient for again.

Specific: as shown in fig. 1-2: the fixed seat and the movable seat 10 are installed on the upper side of the workbench, the movable seat 10 is a movable device, the fixed seat is fixedly connected with the workbench, and the fixed seat is installed on the left side of the workbench. The upper side of the workbench is provided with two movable guide rails 12, the movable guide rails 12 are arranged side by side at intervals, and the bottom of the movable seat 10 is slidably connected with the movable guide rails 12. The movable seat 10 is arranged opposite to the fixed seat, and the movable seat 10 can move along the direction approaching to or separating from the fixed seat.

Further, a linear bearing may be disposed between the table and the movable base 10 to ensure that the movable base 10 moves along a straight line.

The installation shaft 4 is rotatably installed on the fixing seat, the installation shaft 4 is horizontally arranged, the centering fixture 5 is installed at the right end of the installation shaft 4, and the left end of the installation shaft 4 is connected with the power device.

In this embodiment, the power device is a rotary motor 1, the rotary motor 1 is installed on the upper side of the workbench, a driving gear 2 is installed on an output shaft of the rotary motor 1, a driven gear 3 is installed at the left end of the installation shaft 4, and the driving gear 2 is meshed with the driven gear 3. The rotating motor 1 drives the installation shaft 4 to rotate through the driving gear 2 and the driven gear 3, so that the centering fixture 5 is rotated. In this embodiment, the rotating motor 1 is a brake motor, so that not only can the centering fixture 5 drive the shaft part to rotate, but also the centering fixture 5 and the shaft part can be kept stationary.

The number of teeth of the driving gear 2 is smaller than that of the driven gear 3, so that the rotation speed output by the rotating motor 1 is adjusted, the rotation speed of the centering fixture 5 is low, and further the circle runout of shaft parts is conveniently detected.

The movable screw 11 is rotatably arranged on the upper side of the workbench, the movable screw 11 is parallel to the movable guide rails 12, the movable screw 11 is positioned between the two movable guide rails 12, the movable screw 11 is in threaded connection with the movable seat 10, and a hand wheel is arranged at the right end of the movable screw 11 so as to facilitate the rotation of the movable screw 11 and further facilitate the movement of the movable seat 10.

The center 9 is rotatably arranged on the movable seat 10, and the center 9 is opposite to the centering fixture 5. After one end of the shaft part is clamped by the centering clamp 5, the movable screw 11 is rotated, and the movable screw 11 drives the movable seat 10 to move in the direction close to the fixed seat, so that the center 9 is supported at the other end of the shaft part, and further, the measurement of the circle run-out and the straightness of the shaft part is more accurate.

The detection device comprises a measurement frame 8, a dial indicator and a mounting rod 13, wherein the measurement frame 8 is a portal frame with a downward opening, measurement guide rails 6 are symmetrically arranged on two sides of the workbench, and the measurement guide rails 6 are parallel to the movable guide rails 12. The measuring slide seat 7 is arranged at the lower side of the end part of the measuring frame 8, each measuring slide seat 7 is slidably connected with the corresponding measuring guide rail 6 to ensure the linear motion of the measuring frame 8, and the moving direction of the measuring frame 8 is parallel to the center line of the shaft part to be detected after clamping. The middle part of the measuring frame 8 is provided with a vertical installation sleeve 14, the installation rod 13 is slidably connected with the installation sleeve 14, the dial indicator is installed at the lower end of the installation rod 13, the installation sleeve 14 is provided with a locking bolt, and the end part of the locking bolt presses the installation rod 13, so that the installation rod 13 is fixed.

The height of the mounting rod 13 can be adjusted by loosening the locking bolt, and then the height of the dial indicator is adjusted, and the mounting rod 13 is fixed through the locking bolt after adjustment is completed, so that the height of the dial indicator is conveniently adjusted, and the measurement of shaft parts with different diameters is adapted.

As shown in fig. 3-6: the clamping means comprises a turntable 501, clamping jaws 506 and a clamping screw 505.

The turntable 501 has a disk shape, and a mounting hole 502 for connecting with the mounting shaft 4 is provided in the left end surface of the turntable 501, so that the turntable 501 can rotate synchronously with the mounting shaft 4. The turntable 501 is provided with a chute 504, the chute 504 is provided on the end face of the right side of the turntable 501, and the chute 504 is provided along the diameter direction of the turntable 501. The turntable 501 is further provided with a radial through hole 503, the radial through hole 503 is arranged parallel to the chute 504, the radial through hole 503 is arranged at the left side of the chute 504, and the radial through hole 503 is communicated with the chute 504 through an opening. In this embodiment, the chute 504 is a T-shaped chute.

The clamping screw 505 is coaxially arranged in the radial through hole 503, the two ends of the clamping screw 505 are sleeved with bearing bushes 508, the bearing bushes 508 are cylindrical, the outer ends of the bearing bushes 508 are provided with outward turned edges, and in the embodiment, the bearing bushes 508 are made of silicon carbide, and the wear resistance is good. Bearing seats 507 are arranged at two ends of the radial through holes 503, the bearing seats 507 are cylinders with two open ends, the outer diameter of the outer end of each bearing seat 507 is larger than that of the inner end, and the small ends of the bearing seats 507 extend into the corresponding ends of the radial through holes 503. The bearing bush 508 is rotatably provided in the bearing housing 507 at the corresponding side, and the turned-out edge of the bearing bush 508 is supported on the outer end surface of the bearing housing 507 to form a sliding bearing. Hand wheels are provided at both ends of clamping screw 505 to facilitate rotation of clamping screw 505. The threads of the two ends of clamping screw 505 are of opposite sense.

Clamping screw 505 may also be coupled to turntable 501 using rolling bearings.

The clamping jaw 506 has two of symmetry setting in carousel 501 both sides, clamping jaw 506 includes clamp splice 5061, clamp slide 5062 and pushing block 5063, clamp slide 5062 is the T shape that cooperatees with spout 504, clamp slide 5062 slidable installs in spout 504, clamp splice 5061 is installed on clamp slide 5062's right side, pushing block 5063 is installed on the left side, pushing block 5063 passes the opening and stretches into radial through-hole 503, pushing block 5063 and the one end threaded connection that clamp screw 505 corresponds. The clamp block 5061 has a V-shape with an opening facing inward, and forms a clamp portion.

The clamping screw 505 is rotated, the clamping screw 505 can drive the pushing block 5063 to linearly move, so that the clamping slide 5062 linearly moves, and the clamping block 5061 synchronously moves along with the clamping slide 5062, so that the end part of the shaft part is clamped.

The using method of the quality inspection bench for preparing the mechanical parts comprises the following steps: staff takes the shaft part, one end of the shaft part extends between the two clamping blocks 5061, the clamping screw 505 is rotated, the clamping screw 505 drives the two clamping blocks 5061 to synchronously move inwards, further the two clamping blocks 5061 clamp one end of the shaft part, and meanwhile the shaft part and the rotary table 501 can be ensured to be coaxial, so that the circle runout of the shaft part can be conveniently measured.

The movable screw 11 is rotated, and the movable screw 11 drives the movable seat 10 to move in a direction approaching to the fixed seat until the center 9 is supported at the middle part of the other end of the shaft part, so that the shaft part and the rotary table 501 can be ensured to be coaxial at the moment.

At the moment, the locking bolt is loosened, the height of the mounting rod 13 is adjusted, the top of the contact shaft part of the dial indicator is contacted, then the mounting rod 13 is locked, and the measuring frame 8 is pushed to move along the measuring guide rail 6 so as to measure the straightness of the shaft part.

The rotating motor 1 is started, the measuring frame 8 is moved to each position of the shaft part, and when the measuring frame 8 is stopped at a specific position and the rotating motor 1 drives the shaft part to rotate at least one circle, the change of the indication number of the dial indicator is observed, so that the circle runout of each position of the shaft part is measured.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims (8)

1. A quality inspection platform for machine part preparation, its characterized in that: the centering fixture comprises a workbench, a centering fixture (5), a center (9), a moving device and a detecting device, wherein the centering fixture (5), the center (9), the moving device and the detecting device are arranged on the upper side of the workbench, the centering fixture (5) and the workbench can rotate relatively, the center (9) is arranged on the moving device, the center (9) and the centering fixture (5) are arranged opposite to each other, the moving device moves in a direction approaching to or away from the centering fixture (5), the detecting device can move along the workbench, the moving direction of the detecting device is parallel to the moving direction of the moving device, and the centering fixture (5) is connected with a power device for driving the centering fixture to rotate;

two clamping parts are symmetrically arranged on two sides of the centering clamp (5), the two clamping parts are all in a V shape with inward openings, and the two clamping parts synchronously move towards the direction close to or far from the middle part of the centering clamp (5).

2. The quality inspection bench for machine part production according to claim 1, wherein: the centering clamp (5) comprises a rotary table (501), clamping jaws (506) and clamping screws (505), wherein the clamping jaws (506) are symmetrically arranged on two sides of the rotary table (501), the clamping screws (505) are rotatably arranged on the rotary table (501), the clamping screws (505) are arranged along the diameter direction of the rotary table (501), the rotation directions of threads at two ends of the clamping screws (505) are opposite, and two ends of the clamping screws (505) are respectively in threaded connection with the two clamping jaws (506), and clamping parts are respectively arranged on the clamping jaws (506).

3. The quality inspection bench for machine part production according to claim 2, wherein: bearing bushes (508) are sleeved at two ends of the clamping screw (505), bearing seats (507) are mounted on the rotary table (501), the bearing bushes (508) are rotatably arranged in the bearing seats (507) on the corresponding sides, and the bearing bushes (508) are made of silicon carbide.

4. The quality inspection bench for machine part production according to claim 2, wherein: clamping jaw (506) include clamp splice (5061), press from both sides tight slide (5062) and promote piece (5063), be provided with spout (504) on the terminal surface of carousel (501), press from both sides tight slide (5062) slidable setting in spout (504), promote piece (5063) and clamp splice (5061) all with press from both sides tight slide (5062) fixed connection, promote piece (5063) and clamp screw (505) threaded connection, clamp splice (5061) are opening "V" shape inwards, form the clamping part.

5. The quality inspection bench for machine part production according to claim 1, wherein: the movable device comprises a movable seat (10), a movable guide rail (12) is arranged on the upper side of the workbench, the movable seat (10) is slidably arranged on the movable guide rail (12), a movable screw (11) is rotatably arranged on the upper side of the workbench, the movable seat (10) is in threaded connection with the movable screw (11), and a center (9) is rotatably arranged on the movable seat (10).

6. The quality inspection bench for machine part production according to claim 1, wherein: the power device is a rotary motor (1), and the rotary motor (1) is connected with the centering clamp (5).

7. The quality inspection bench for machine part production according to claim 1, wherein: the detection device comprises a measuring frame (8) and a dial indicator, wherein measuring guide rails (6) are arranged on two sides of the workbench, the measuring frame (8) is a portal frame with a downward opening, two ends of the measuring frame (8) are respectively connected with the measuring guide rails (6) on the corresponding sides in a sliding mode, and the dial indicator is arranged on the horizontal portion of the measuring frame (8).

8. The quality inspection bench for machine part production according to claim 7, wherein: the middle part slidable of measurement frame (8) install installation pole (13), be provided with the lock bolt between installation pole (13) and measurement frame (8), the downside at installation pole (13) is installed to the amesdial.