CN103471826A

CN103471826A - Bidirectional insertion and extraction force detecting device for accurate pipe fittings

Info

Publication number: CN103471826A
Application number: CN2013103964201A
Authority: CN
Inventors: 黄津
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-04
Filing date: 2013-09-04
Publication date: 2013-12-25
Anticipated expiration: 2033-09-04
Also published as: CN103471826B

Abstract

Provided is a bidirectional insertion and extraction force detecting device for accurate pipe fittings. A left cam and a right cam on a rotating shaft are tightly attached to a left bearing and a right bearing, the left bearing and the right bearing are respectively arranged on a left slide rest and a right slide rest, a locating mould and two guide rails are fixed on a bottom plate, the two guide rails are matched with two slide grooves formed in the left slide rest and the right slide rest respectively, a connecting rod and a measuring rod are integrally connected through a force cell, the connecting rod and the measuring rod are arranged on the left side rest and the right slide rest respectively, and a measuring head matched with a work piece on the locating mould is fixed to one end of the connecting rod. Due to the fact that the left cam and the right cam are matched with the left bearing and the right bearing which are arranged on the left slide rest and the right slide rest respectively to achieve synchronous linkage, the accuracy and the measurement stability for an insertion core of the measuring head to be directly inserted into and pulled out of the work piece are guaranteed. The force cell is connected with a linear bearing through the connecting rod to enable measurement to be more accurate. The left cam and the right cam are face cams, so that the processing accuracy is high. All mechanical actions of the device can be achieved through the mechanical linkage between a motor and the accurate face cams. The bidirectional insertion and extraction force detecting device is simple in structure, greatly reduces useless idle stroke and supply delay time, can detect 60 work pieces in one minute, is high and stable in detecting speed and is high in work efficiency.

Description

Accurate pipe fitting two-way plug pull out force pick-up unit

Technical field

The present invention relates to the vitals on a kind of accurate pipe fitting automatic detecting machine, particularly a kind of accurate pipe fitting two-way plug pull out force pick-up unit that is applied to docking use in the joints of optical fibre.

Background technology

The joints of optical fibre, it is the device removably connected between optical fiber and optical fiber, it gets up the accurate docking of two end faces of optical fiber, so that being coupled to receive in optical fiber to greatest extent, the luminous energy of launching fiber output goes, and make impact system caused due to its intervention optical link reduce to minimum, and its core part: porcelain bushing is the most important part that guarantees two ultraprecise joints of optical fibre slitless connections, the allowable tolerance in porcelain bushing endoporus aperture only has 2 microns left and right, if processing error a little, the transmission performance that two docking optical fiber connects will be had a greatly reduced quality.But have at present porcelain bushing manufacturing enterprise now and adopt manual detection more, not only production efficiency is not high, accuracy of detection and consistance are all undesirable, and conventional endoporus size detection means are to realize high precision like this and large batch of detection, the key factor of this joints of optical fibre quality that has been also very big restricted influence and stability thereof.

Number of patent application CN201120414778.9 " automatic detection device for bidirectional drawing force of ceramic casing pipe " detects the replacement manual detection though also provide a kind of with machine, improved production testing efficiency, but its detection speed is fast not enough, detect stability, accuracy of detection is high not enough.

Summary of the invention

Technical matters to be solved by this invention is: a kind of accurate pipe fitting two-way plug pull out force pick-up unit is provided, replace manual detection with machine, not only detection speed is fast, high efficiency, and accuracy of detection is high, good stability, can better guarantee the pairing assembling of testing product, guarantee the high-quality of product.

The present invention addresses the above problem adopted technical scheme: accurate pipe fitting two-way plug pull out force pick-up unit, comprise the back up pad be arranged on worktable, base plate, motor, motor is connected with the power wheel in rotating shaft by travelling belt, rotating shaft is connected on back up pad, a left side in described rotating shaft, right cam is close to a left side, a left side on right slide rest, right bearing is installed, stationary positioned mould and two guide rails on described base plate, two guide rails are with left, two chutes on right slide rest coordinate, connecting rod, measuring staff is linked to be integral body by force cell, be arranged on respectively a left side, on right slide rest, on one termination of described connecting rod fixedly gauge head with the workpiece on positioning module, coordinate.

Compared with prior art, the invention has the advantages that: 1: because of the combination of pick-up unit employing rotating shaft, face cam and accurate slide rest, both realize the synchronous interaction function of accurate engagement, and also more can guarantee the stationarity of power value when lock pin inserts accuracy while extracting workpiece and instrument and detects; 2: force cell adopts connecting rod and linear bearing to coordinate, can at utmost reduce the impact of other factors on force measurement, make the ergometry value more accurate, 3: when gauge head inserts, rely on the pressure of regulating spring, in the time of can guaranteeing to insert, force cell stressed be controlled in range ability, avoids causing force cell to damage and affects accuracy of detection and stability; 4. all mechanical action is only realized by the mechanical linkage of a motor and accurate face cam, has therefore greatly reduced useless idle motion and time to be expected, therefore detects steady speed fast, and per minute can be checked 60 workpiece, and work efficiency is higher.

The accompanying drawing explanation

Fig. 1, structural representation of the present invention (as-drawn).

The enlarged drawing of Fig. 2, gauge head (insertion state).

The enlarged drawing of Fig. 3, gauge head (as-drawn).

The A of Fig. 4, Fig. 1-A view.

The stereographic map of Fig. 5, right cam.

Embodiment

Below in conjunction with accompanying drawing, embodiments of the invention are further described.

The upper surface both sides of worktable 1 are screwed the back up pad 3 with seat, in seat, self-aligning bearing 4 are installed, and rotating shaft 5 two ends are arranged in self-aligning bearing 4 endoporus through back up pad 3, are convenient to automatically adjust the rotation of rotating shaft.Two back up pad upper ends are equipped with adjuster bar 7; the end of adjuster bar is connected with an end of spring 8; the other end of spring 8 is arranged on respectively in the blind hole on left and right slide rest 9,23 1 sidewalls; carry out the degree of tightness of regulating spring 8 with adjuster bar 7; to guarantee that left and right slide rest 9,23 moves the unimpeded resistance of not suppressed, for the protection of the normal operation of force cell 12.

Worktable 1 lower surface is screwed motor 29, motor shaft be connected upper and lower synchronous pulley 26,28 with key respectively in rotating shaft, Timing Belt 27 links into an integrated entity upper and lower synchronous pulley 26,28 again.

Left and right cam 2,25 is symmetrical, identical face cam, the one end has the ladder of mounting hole cylindrical for periphery, the other end is the workplace of cam, workplace is realized the different operating stroke by each anglec of rotation and is designed, workplace is continuously wavy surface round and smooth, the regular variation of thickness, be fixedly mounted on by mounting hole with screw on the two ends of rotating shaft 5, as shown in Figure 5, and be close to left and right bearing 6,24 installations and rotate with rotating shaft.

Left and right bearing 6,24 is identical, with screw, is connected on left and right slide rest 9,23 lower surfaces respectively.

Connect the control hand wheel of regulating the measuring staff position on one termination of measuring staff 10, two force cells 12 are respectively by two connecting rods 17, connect into integral body with the measuring staff 10 of control hand wheel, one end of two connecting rods 17 is horizontally through respectively the through hole on left and right slide rest 9,23 right sides, upper ends, left side wall, connect linear bearing 14 in through hole, and be connected with connecting rod, be convenient to connecting rod and slide in left and right slide rest.。

Fixedly have flexible concentric chuck 18 on a termination of two connecting rods 17, the middle fixedly lock pin 20 of chuck, then external application set nut 19 with one heart forms gauge head by concentric chuck locking

The set lever 11 of locking measuring staff is installed in the upper surface through hole of left and right slide rest, makes the measuring staff can only the left and right parallel and can not rotate.

Left and right slide rest 9,23 1 side lower surfaces have on chute 15, respectively be fixed on base plate 16 on guide rail 13 coordinate.

The workpiece 21 precision component joints of optical fibre to be measured are arranged in the groove of positioning module 22 upper surfaces, and positioning module 22 is screwed on base plate 16.

During use, the motor 29 of connecting with the mains rotates, drive rotating shaft 5 and rotate by Timing Belt 28, upper and lower synchronous pulley 26,28, the left and right cam 2,25 be connected in rotating shaft 5 rotates with rotating shaft 5, because the round corrugated end face of left and right cam is close to left and right bearing 6,24 all the time, and drive left and right bearing rotation.When left and right cam forwards the axial width maximum to, left and right cam is pushed to farthest outwardly round about by left and right bearing, rotating the left and right slide rest of drive by left and right bearing moves horizontally, thereby the lock pin 20 on gauge head is drawn back, and pull out from the through hole of workpiece 21, as shown in Figure 1, Figure 3.

After if left and right cam is rotated further 180 degree, forward the minimum place of axial location thickness to and be close to left and right bearing, at this moment left and right bearing moves towards interior direction, driving left and right slide rest inward direction moves, make lock pin 20 on two gauge heads move forward and insert the endoporus of workpiece 21, as shown in Figure 2.

By standard-sized smooth ceramic insertion core 20, after inserting the endoporus of precision component workpiece, rely on constant speed and machinery insertion stably to extract motion, by force cell, the contact engaging and separating force data that detect are sent to numerical control display, go out to detect data by the display simultaneous display, the grouping of being convenient to judge the whether qualified of workpiece or carrying out precision grade again, to adapt to the requirement of different fiber connector.

The adjuster bar 7 on rotatable both sides, regulated the position of left and right slide rest 9,23 respectively, avoids mismate between left and right bearing and left and right cam, reaches the variation because of gauge head, connecting rod, measuring staff position, causes the damage of force cell 12.

Claims

1. an accurate pipe fitting two-way plug pull out force pick-up unit, comprise the back up pad (3) be arranged on worktable (1), base plate (16), motor (29), motor (29) is connected with the power wheel in rotating shaft (5) by travelling belt, rotating shaft (5) is connected on back up pad (3), it is characterized in that the left side in described rotating shaft (5), right cam (2, 25) be close to a left side, right slide rest (9, 23) left side on, right bearing (6, 24) install, the upper stationary positioned mould (22) of described base plate (16) and two guide rails (13), two guide rails (13) are with left, right slide rest (9, 23) two chutes (15) on coordinate, connecting rod (17), measuring staff (10) is linked to be integral body by force cell (12), be arranged on respectively a left side, on right slide rest, on one termination of described connecting rod (17) fixedly gauge head with the workpiece (21) on positioning module (22), coordinate.

2. accurate pipe fitting two-way plug pull out force pick-up unit according to claim 1, it is characterized in that described left and right cam (2,25) is for symmetrical, identical face cam, the one end has the ladder of mounting hole cylindrical for periphery, the other end is the workplace of cam, workplace is continuously wavy surface round and smooth, the regular variation of thickness, with screw, by mounting hole, is fixedly mounted on the two ends of rotating shaft (5).

3. accurate pipe fitting two-way plug pull out force pick-up unit according to claim 1, it is characterized in that described gauge head is by fixedly having flexible concentric chuck (18) in the termination at connecting rod (17) one ends, the middle fixedly lock pin (20) of chuck, then external application set nut (19) with one heart forms concentric chuck locking.

4. accurate pipe fitting two-way plug pull out force pick-up unit according to claim 1, the upper end that it is characterized in that described two back up pads (3) is equipped with adjuster bar (7), the end of adjuster bar is connected with an end of spring (8), and the other end of spring (8) is arranged on respectively in the blind hole on left and right slide rest (9, a 23) sidewall.

5. accurate pipe fitting two-way plug pull out force pick-up unit according to claim 1, is characterized in that described left and right bearing (6,24) is identical with screw, to be connected on left and right slide rest (9,23) lower surface respectively.

6. accurate pipe fitting two-way plug pull out force pick-up unit according to claim 1, it is characterized in that on a termination of described measuring staff (10) connecting the control hand wheel of regulating the measuring staff position, the set lever (11) of locking measuring staff is installed in the upper surface through hole of left and right slide rest (9,23).

7. accurate pipe fitting two-way plug pull out force pick-up unit according to claim 1, is characterized in that, on the right side, described left and right slide rest (9,23) upper end, left side wall, through hole is arranged, and is connected with linear bearing (14) in through hole and is connected with connecting rod (17).

8. accurate pipe fitting two-way plug pull out force pick-up unit according to claim 1, is characterized in that described travelling belt is Timing Belt (27), and power wheel is upper and lower synchronous pulley (26,28).