CN103712581B - Pulley groove automatic tester - Google Patents

Abstract

The invention relates to an automatic detector for pulley grooves, which is characterized in that it comprises: a detector (8), on which a motor (21), a column (2) and a base (5) are connected; the column is connected with a rotating shaft (11), the motor Both the output shaft and the rotating shaft are connected to the pulley (4), and the two pulleys are connected and matched through the belt (19); the base is connected to the lower longitudinal line rail (6), the lower longitudinal line rail is connected to the upper longitudinal line rail (7), and the upper longitudinal line rail The upper part is connected with the horizontal line rail (16), the longitudinal inductor (36) and the horizontal inductor (30) are respectively connected with the upper longitudinal line rail and the horizontal line rail, and a fixing plate (15) is arranged on the upper longitudinal line rail And at the connecting seat (14), cooperate and connect the longitudinal spring (17) between the connecting seat and the fixed plate. The invention has the advantages that the device is easy to use, has high measuring speed and high precision, can effectively identify the depth of the wheel groove and the shape and size of the groove, and provides an effective measuring device for the processing of the pulley.

Description

Wheel Groove Automatic Detector

technical field

The invention relates to a dimension measuring instrument for mechanical parts, in particular to an automatic detection instrument for pulley grooves.

Background technique

At present, the quality of automobile engines is improving rapidly, whether it is life, noise, energy saving, or stability. Improving the dimensional accuracy and shape accuracy of engine pulleys is also an important part of improving engine quality. The traditional measurement of the length of the pulley adopts conventional measurement methods, and manual measurement is carried out by tools such as vernier calipers.

Before the pulley is assembled, precision inspection is required to ensure the assembly quality. The existing pulley detection method generally uses manual detection by workers. This detection method has a low degree of automation and manual operation, and the detection of groove depth and groove size is prone to errors, wrong installation and mixed installation. It leads to low production efficiency and uncontrollable product quality, which is a bottleneck process that affects the sound and rapid development of enterprises. Therefore, a good detection device is needed to solve the above problems. After extensive searching, a comparatively ideal technical solution has not been found yet.

Contents of the invention

The purpose of the present invention is to solve the shortcomings such as the depth of the wheel groove and the shape and size of the groove that cannot be accurately measured at the present stage, and an automatic detector for the pulley groove is proposed.

In order to achieve the above object, the present invention adopts the following technical solutions:

The automatic detector of the pulley groove is characterized in that it comprises:

a. Tester, connect the frame to the tester, connect the start switch, motor and column on the frame, and connect a base adjustable on the frame;

b. Connect the rotating shaft to the column, and connect a pulley to the output shaft and the rotating shaft of the motor respectively. The two pulleys are connected and matched by a belt, and a standard pulley is fixedly connected to the rotating shaft when the device is zeroing;

c. Connect the lower longitudinal line rail on the base, connect an upper longitudinal line parallel to it on the lower longitudinal line rail, set a connecting seat on the upper slide rail of the upper longitudinal line rail, and connect the longitudinal sensor and the connecting seat on the connecting seat The power device is provided with a fixed plate on the upper slider of the upper longitudinal line rail, and a longitudinal spring is connected between the connecting seat and the fixed plate, and the longitudinal sensor is correspondingly matched with the fixed plate;

d. A horizontal line rail is also connected to the fixed plate, a bracket is connected to the horizontal slider of the horizontal line rail, a detection wheel is connected to the bracket, a horizontal detection block is also arranged on the bracket, and the horizontal detection block is connected to the base The horizontal sensor on the top is correspondingly matched, a positioning plate is connected on the horizontal slide rail of the horizontal line track, and a horizontal spring is matched and connected between the positioning plate and the horizontal slider.

On the basis of above-mentioned technical scheme, can have following further technical scheme:

The column is connected to a fixed sleeve, and the shaft is connected to the shaft through a bearing in the fixed sleeve. One end of the shaft is connected to the first cylinder, and the other end is connected to the locking device. The piston rod of the first cylinder is installed through the shaft. , the piston rod is connected to the locking device, the first cylinder is connected to the hydraulic valve through the pipeline, and the hydraulic valve is connected to the pressure reducing valve through the pipeline.

The power device is the second cylinder, and the power device is connected to the hydraulic valve through a pipeline.

Also connect vertical board on the frame, vertical board and column match correspondingly, can adjust and connect motor on vertical board.

A fixed rod is connected to the frame, and the standard wheel can be sleeved on the upper end of the fixed rod after the zero calibration is completed, which is convenient for operation during operation and management of workpieces.

The locking device includes a mandrel, the inner end of the mandrel is connected to the piston rod of the first cylinder, the connecting shaft is sleeved on the mandrel, the end cover is connected to the outer end of the connecting shaft, and the tensioning is sleeved on the connecting shaft. set.

The longitudinal springs and transverse springs connected between the slide rails and sliders of the upper longitudinal line track and the transverse line track both play the role of fine-tuning and buffering when measuring the depth of the wheel groove.

The advantages of the present invention are: the device is easy to use, has high measurement speed and high precision, can effectively identify the depth of the wheel groove and the shape and size of the groove, and the detection result is displayed on the display device, which can automatically judge OK or NG, if NG , the alarm buzzer will sound, and the size change curve will be drawn, which can effectively place unqualified products into the next process or flow into the market, and provide an effective measuring device for the processing of pulleys.

Description of drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is an enlarged view of part A of Fig. 2 .

detailed description

As shown in Figure 1 and Figure 2, the pulley groove automatic detector provided by the present invention is characterized in that comprising:

a, detector 8, the frame 1 is connected to the upper end face of the detector 8, the frame 1 includes symmetrically arranged legs and a base plate connected on the legs, and a column 2, a vertical plate 3 and a fixed rod 9 are respectively connected on the base plate, so The column 2 and the vertical plate 3 are matched correspondingly, and a base 5 is also connected on the frame 1, and eight adjustment holes 5b are arranged symmetrically around the base 5, and the base 5 is fixed on the bottom of the support 1 by the bolts provided in the adjustment holes. On the bottom plate, the base 5 can be adjusted forward, backward, left and right through the adjustment hole 5b.

b. Set four vertical plate adjustment holes symmetrically on the vertical plate 3, connect the motor 21 on the vertical plate 3, and adjust the motor 21 horizontally through the bolts provided in the vertical plate adjustment holes. The lower end of the column 2 is provided with a connection plate 2b, and the upper end is provided with a column sleeve 2a with an opening. Four column adjustment holes are arranged symmetrically around the connection plate 2b. Adjust forward, backward, left and right on the bottom plate of bracket 1.

A fixed sleeve 27 is sleeved in the column sleeve 2a of the column 2, and the rotating shaft 11 is connected through the bearing 41 in the fixed sleeve 27. Connected to the first cylinder 24, the other end is connected to the locking device 23, the piston rod 26 of the first cylinder 24 is sleeved in the through hole of the rotating shaft 11, and the piston rod 26 is also connected to the locking device 23, the first cylinder 24 is connected with a hydraulic valve 25 through a pipeline, and the hydraulic valve 25 is connected with a pressure reducing valve 31 through a pipeline.

Both the output shaft of the motor 21 and the rotating shaft 11 are respectively connected with a pulley 4, and the two pulleys 4 are connected and matched by a belt 19.

c. A baffle plate 5a is respectively provided on both sides of the base 5, and the lower longitudinal line rail 6 is connected to the base 5 between the two baffle plates 5a, and the lower rail 6a of the lower longitudinal line rail 6 is connected to the base 5 by bolts On the lower slider 6b of the lower longitudinal rail 6, the upper rail 7a of the upper longitudinal rail 7 is connected by screws, the upper rail 7a and the lower rail 6a are parallel to each other, and the upper slider 7b is slid on the upper rail 7a One side of the upper slide rail 7a is provided with a connection seat 14, and the other side is connected with a positioning block 35, and the upper slide rail 7a is matched with the connection seat 14 and the positioning block 35 respectively.

Connect a fixed plate 15 on the upper slider 7b, connect a vertical detection block 15a on the upper end of the fixed plate 15, and connect a vertical sensor 36 on the connecting seat 14, and the vertical sensor 36 is inductively matched with the vertical detection block 15a . A longitudinal spring 17 is fitted between the fixing plate 15 and the connecting seat 14 .

A power unit 10 is connected to the baffle plate 5a on one side of the base 5. The power unit 10 is a second cylinder, the piston rod of the second cylinder is connected with the connecting seat 14, and the second cylinder is connected to the hydraulic valve 25 through a pipeline.

d, on the fixed plate 15, also connect a transverse line rail 16, the transverse line track 16 comprises the transverse slide rail 16b that is connected on the fixed plate 15, slides and connects a transverse slide block 16a on the transverse slide rail 16b, on the transverse line track One end of the transverse slide rail 16b of 16 is connected to a positioning plate 43 by bolts, and a transverse spring 42 is fitted between the positioning plate 43 and the transverse sliding block 16a.

A support 20 is also connected on the transverse slider 16a of the transverse line track 16, a rotating shaft is connected by a bearing on the support 20, a detection wheel 18 is sleeved on the rotating shaft, and a transverse detection block 32 is also connected at the upper end of the support 20, The transverse detection block 32 is correspondingly matched with the transverse sensor 30, and the transverse sensor 30 is connected to the base 5 through the adjustment frame 28, and the adjustment handwheel 29 is provided on the adjustment frame 28.

e. As shown in Figure 3, when measuring the depth of the pulley and the size of the groove, the standard wheel 33 is fixedly connected to the rotating shaft 11 through the locking device 23, and the base 5 is adjusted so that the detection wheel 18 is aligned with the standard wheel 33 for zero calibration , then take off the standard wheel 33 and fix the belt pulley 22 through the locking device 23 on the rotating shaft 11, start the start switch 34 on the frame 1, and measure the belt pulley 22. The locking device 23 includes a mandrel 37, the mandrel 37 is connected to the piston rod 26 of the first cylinder 24 through a bolt, the connecting shaft 40 is sleeved on the mandrel 37, and the tension sleeve 38 is sleeved on the connecting shaft 40 , the tensioning sleeve 38 is connected to the rotating shaft 11 by screws, and the positioning rod 44 is also connected to the end of the rotating shaft 11. The end cover 39, when zero-calibrating or measuring the depth and shape of the wheel groove, the standard wheel 33 and the pulley 22 are sleeved on the tension sleeve 38 for tension fit.

This device is particularly suitable for the measurement of the size of the pulley used in the overrunning clutch and idler wheel on the automobile. The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. The equivalent structure or equivalent process transformation made by the content, or the direct or indirect application in other related technical fields, are all included in the scope of patent protection of the present invention.

working principle

This device is designed and manufactured by the principle of comparison and measurement. Before measuring the pulley 22, the standard wheel 33 is removed from the fixed rod 9, and the first cylinder 24 is ventilated and fixedly connected to the standard wheel 33 through the locking device 23. By adjusting the position of the base 5, the detection wheel 18 and the quasi-standard wheel 33 are correspondingly matched, and the equipment is cleared, and then the standard wheel 33 is removed, and the rotating shaft 11 is fixedly connected to the pulley 22 through the locking device 23, and the machine frame 1 is started. The start switch 34 of the belt pulley 22 is measured.

Through the cooperation of the lower longitudinal line rail 6 and the upper longitudinal line rail 7, and the longitudinal sensor 36 arranged on the upper longitudinal line rail 7, the size of the groove depth of the pulley can be measured; at the same time, the upper slide rail 7a is connected to the transverse line rail 16 , when the detection wheel moves back and forth, it can be moved left and right, and because the transverse sensor 30 is provided, the shape and size of the pulley groove can be measured.

Claims (4)

1. pulley groove automatic tester, is characterized in that comprising:

A, detector (8), at the upper connection frame (1) of detector (8), at upper starting switch (34), motor (21) and the column (2) of connecting of frame (1), at the upper base of adjustable connection (5) of frame (1);

B, at column (2) connection rotating shaft (11), output shaft at motor (21) is connected respectively a belt pulley (4) with rotating shaft (11), two belt pulleys (4) are connected and are coordinated by belt (19), in the time of device school zero, are fixedly connected with a standard wheels (33) in rotating shaft (11);

C, base (5) is upper connect under vertical line rail (6), at a upper vertical line rail (7) in parallel of the upper connection of lower vertical line rail (6), on the upper slide rail (7a) of upper vertical line rail (7), be provided with Connection Block (14), at upper longitudinal induction device (36) and the power set (10) of connecting of Connection Block (14), on the top shoe (7b) of upper vertical line rail (7), be provided with fixed head (15), the longitudinal spring (17) that is connected between Connection Block (14) and fixed head (15), described longitudinal induction device (36) and fixed head (15) corresponding matching;

D, on fixed head (15), also connect an x wire rail (16), the upper support (20) that connects of transverse slider (16a) in x wire rail (16), detect wheel (18) in upper connection of support (20), on support (20), be also provided with horizontal detection piece (32), laterally detect piece (32) and be connected to transvercal induction device (30) corresponding matching on base (5), at the upper location-plate (43) that connects of horizontal slide rail (16b) of x wire rail (16), crossed strip (42) is connected between location-plate (43) and transverse slider (16a).

2. pulley groove automatic tester according to claim 1, it is characterized in that: on described column (2), be connected and fixed sleeve (27), in fixed muffle (27), pass through bearing (41) connection rotating shaft (11), connect the first cylinder (24) in one end of rotating shaft (11), the other end connects locking device (23), the piston rod (26) of described the first cylinder (24) runs through and is arranged in rotating shaft (11), piston rod (26) connects locking device (23), described the first cylinder (24) is by pipeline connecting fluid pressure valve (25), hydraulic valve (25) connects pressure-reducing valve (31) by pipeline.

3. pulley groove automatic tester according to claim 2, is characterized in that: described power set (10) are the second cylinder, and power set (10) are by pipeline connecting fluid pressure valve (25).

4. pulley groove automatic tester according to claim 1, is characterized in that: in frame (1), go back connection board (3), riser (3) and column (2) corresponding matching, at the upper adjustable connection motor (21) of riser (3).