CN107796822A - a detector - Google Patents

Abstract

The invention discloses a detector, which comprises a frame, a protective device, a control processing system, a supporting tube, a rotating arm and a telescopic arm, wherein a bearing seat and a rotating shaft are arranged between the supporting tube and the rotating arm, a bearing group is arranged between the bearing seat and the rotating shaft, the telescopic arm is connected with the rotating arm through a first linear guide rail and a first slide block, a driving motor, a ball screw and a nut are arranged on the rotating arm, a lifting motor and a lifting gear connected with the lifting motor are arranged on the frame, a second linear guide rail and a rack meshed with the lifting gear are arranged on the supporting tube, a camera is arranged at the end part of the telescopic arm, the camera, the driving motor and the lifting motor are all electrically connected with the control processing system, the protective device comprises an electromagnet and a rotating shaft which are arranged on the frame, and a locking plate which can be attracted by the electromagnet to rotate, and is rotationally connected with the, the rack is characterized in that the locking plate is provided with a latch capable of being clamped into the rack, and the rack is also provided with an elastic original capable of resetting the locking plate.

Description

a detector

technical field

The invention relates to a detector, in particular to a visual system detector.

Background technique

Video inspection is widely used in the detection of small defects of some precision components or materials. At present, there are many large-scale video inspection instruments on the market that are used in production (such as the manufacture of precision molds, the manufacture of precision hardware parts, the manufacture of auto parts, etc. etc.) for quality control and product design, but its price is high and bulky, and it is not suitable for small laboratories. Therefore, the designer designed a telescopic and rotating detector equipped with a video detection system. , small footprint, and low cost.

Contents of the invention

In order to overcome the deficiencies of the prior art, the invention provides a visual system tester.

The technical solution adopted by the present invention to solve its technical problems is:

A detector, characterized in that it includes a frame, a protective device, a control processing system, a support tube, a rotating arm and a telescopic arm, a bearing seat and a rotating shaft are arranged between the supporting tube and the rotating arm, and a bearing seat and a rotating shaft are installed between the bearing seat and the rotating shaft. There is a bearing group, the telescopic arm is connected with the first slider and the rotating arm through the first linear guide rail, and the driving motor, ball screw and nut are installed on the rotating arm, and the ball screw is installed on the rotating arm through the bearing seat. The arm is connected with the driving motor, the nut is connected with the telescopic arm, the lifting motor and the lifting gear connected with the lifting motor are installed on the frame, and the second linear guide rail and the lifting gear connected with the lifting motor are installed on the support tube. The gear rack is engaged with the gears, the second slider matched with the second linear guide rail is installed on the frame, the camera is installed at the end of the telescopic arm, the camera, the driving motor and the lifting motor are all connected with the control processing system Electrically connected, the protection device includes an electromagnet and a rotating shaft installed on the frame, and a locking plate that can be attracted by the electromagnet to rotate, and the locking plate is rotatably connected to the rotating shaft, and the locking plate is provided with a snap into the teeth of the rack, and the frame is also equipped with an elastic element capable of resetting the locking plate.

The bearing set includes a first thrust bearing, a second thrust bearing, and a deep groove ball bearing.

The end of the support tube is provided with a flange, and one end of the bearing housing is fixed to the flange. The rotating shaft includes a first thrust bearing section, a limit ring, a second thrust bearing section, and a deep groove ball arranged in sequence. A bearing section, the first thrust bearing section is equipped with a first thrust bearing, the second thrust bearing section is equipped with a second thrust bearing, the deep groove ball bearing section is equipped with a deep groove ball bearing, and the rotating arm end There is a rotating plate on the top, one end of the rotating shaft is fixed to the rotating plate, and one end of the inner hole of the bearing seat is provided with a convex ring for pressing the second thrust bearing.

The support tube is provided with an induction piece capable of sensing with the proximity switch on the frame.

The elastic element is an extension spring, one end of the extension spring is connected to the bottom end of the locking plate, and the other end of the extension spring is fixed to the frame.

The rotating shaft includes a support block and a screw, the support block is fixed on the frame, and a screw hole is provided in the support block, a shaft hole is provided in the middle of the locking plate, and the screw is screwed through the shaft hole and the screw hole.

The frame is equipped with a mounting plate, and the electromagnet and the rotating shaft are all installed on the mounting plate.

The beneficial effects of the present invention are: the present invention is a semi-automatic telescopic bracket, the up and down movement is controlled by the lifting motor, and the up and down movement is realized through the rack and pinion transmission, ensuring high-precision positioning and stable operation; the telescopic arm is also controlled by the drive motor, Through the screw drive, it has extremely high stability and high precision, and this rotation is rotated by manually turning the rotating arm, and the rotating arm rotates through the bearing group.

The arm of the present invention stretches out when working, works normally, is stable and reliable. When not in use, the arms retract and fold together for less space.

Because the equipped camera is a sophisticated and expensive device, its safety is very important, and if the support arm of the detector encounters a power failure or short circuit during the lifting process, the support arm will suddenly fall from a high place, which will cause Damage to the camera on the support arm will cause a large loss, so a protective device is designed to avoid the above situation. Under the action of the tension spring, it is stuck in the rack, and a self-lock will be formed between the rack and the locking plate, thereby generating resistance to the weight of the support arm itself, playing the role of safety protection, and effectively preventing accidents from happening.

To sum up, the present invention is not only simple in structure, small in floor space, high in stability and precision, low in cost, but also safe.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the front view of the present invention;

Fig. 2 is the internal structure view of the present invention;

Fig. 3 is the front view of the rotating arm part of the present invention;

Fig. 4 is the front view of rotating shaft;

Figure 5 is a front view of the guard.

Detailed ways

Referring to Fig. 1 to Fig. 5, the present invention discloses a detector, comprising a frame 1, a protective device, a control processing system, a support tube 2, a rotating arm 3 and a telescoping arm 4, and the support tube 2 and the rotating arm 3 are provided with Bearing block 5 and rotating shaft 6, bearing group is housed between bearing seat 5 and rotating shaft 6, described telescopic arm 4 is connected with first slide block and rotating arm 3 through first linear guide 7, and rotating arm 3 is installed There is a drive motor 8, a ball screw 9 and a nut. The ball screw 9 is installed on the rotating arm 3 through a bearing seat 5 and is connected with the drive motor 8. The nut is connected with the telescopic arm 4. On the frame 1 The lifting motor 10 and the lifting gear 11 connected with the lifting motor 10 are installed, the second linear guide rail and the tooth bar 12 meshing with the lifting gear 11 are installed on the support pipe 2, and the The second slide block that the second linear guide rail cooperates, the end of described telescopic arm 4 is equipped with camera (not shown in the figure), and described camera, drive motor 8 and lift motor 10 are all electrically connected with control processing system, so The protective device includes an electromagnet 22 and a rotating shaft 23 installed on the frame 1, and a locking plate 24 that can be attracted by the electromagnet 22 to rotate, and the locking plate 24 is rotationally connected with the rotating shaft 23, and the locking plate 24 There are locking teeth 25 that can be snapped into the rack 12, and an elastic element 26 that can reset the locking plate 24 is also installed on the frame 1. The elastic element 26 is an extension spring, and one end of the extension spring is connected to the The bottom end of the locking plate 24 is connected, and the other end of the extension spring is fixed to the frame 1 .

As shown in the figure, the bearing group includes a first thrust bearing 13, a second thrust bearing 14, and a deep groove ball bearing 15. A circular flange 16 is provided at the end of the support tube 2. The cylindrical One end of the bearing seat 5 is fixed to the flange 16, and the rotating shaft 6 includes a first thrust bearing section 18, a stop ring 19, a second thrust bearing section 20, and a deep groove ball bearing section 21 arranged in sequence. A thrust bearing section 18 is equipped with a first thrust bearing 13, the second thrust bearing section 20 is equipped with a second thrust bearing 14, the deep groove ball bearing section 21 is equipped with a deep groove ball bearing 15, and the rotating arm 3 The end is provided with a rotating plate 17, one end of the rotating shaft 6 is fixed to the rotating plate 17, and one end of the inner hole of the bearing seat 5 is provided with a convex ring for pressing the second thrust bearing 14, and the axial direction of the first thrust bearing 13 The displacement is limited by the flange 16 and the limit ring 19; the axial displacement of the second thrust bearing 14 is limited by the convex ring and the limit ring 19; the deep groove ball bearing 15 is tightly fitted between the deep groove ball bearing section 21 and the convex ring , the above structure adopts two upper and lower thrust bearings to clamp the rotating shaft 6, which can convert the radial force into an axial force, making the mechanism more stable, improving the rigidity, and making the rotation easier, so it can bear the large force brought by the extension of the telescopic arm 4 moment.

As shown in the figure, the support tube 2 is provided with an induction piece capable of sensing with the proximity switch on the frame 1, thereby preventing the support tube 2 from exceeding the limit height during lifting and ensuring safety.

As shown in the figure, the rotating shaft 23 includes a support block and a screw, the support block is fixed on the frame 1, and a screw hole is provided in the support block, a shaft hole is provided in the middle of the locking plate 24, and the screw passes through The shaft hole and the screw hole are tightened.

As shown in the figure, for the convenience of installation, the frame 1 is equipped with a mounting plate, and the electromagnet 22 and the rotating shaft 23 are all mounted on the mounting plate.

Brief description of the structural principle: when working, the lifting motor 10 drives the support tube 2 to lift up and down, and the driving motor 8 drives the telescopic arm 4 to extend or retract. The rotating arm 3 is driven by the bearing seat 5, the rotating shaft 6, and the bearing The rotation function is realized, but manual rotation is required. When the protective device is not energized, accidentally powered off or does not adjust the upper and lower positions, the locking teeth 25 of the locking plate 24 will be stuck in the rack 12 under the action of the tension spring, and the rack Can form self-locking between 12 and locking plate 24, thus produce resistance to the weight of support arm self, play the effect of safety protection, can effectively prevent the generation of unexpected situation, but in working state, electromagnet 22 work will Attract the upper end of the locking plate 24, so that the locking plate 24 rotates around the rotating shaft 23 and at the same time the locking teeth 25 escape from the clip bar, so that the support arm can be lifted and lowered freely.

The above is a detailed introduction to a detector provided by the embodiment of the present invention. In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only used to help understand the method of the present invention. and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and scope of application. limits.

Claims (7)

1. A kind of 1. detector, it is characterised in that：Including frame, protector, control process system, support tube, cursor and stretch Contracting arm, is provided with bearing block and rotary shaft between support tube and cursor, bearing block and rotation between centers are equipped with bearing group, the telescopic arm It is connected by first straight line guide rail with the first sliding block with cursor, and motor, ball screw and spiral shell is installed on cursor Mother, the ball screw are installed on cursor by bearing block and are connected with motor, and the nut is connected with telescopic arm, Lifting motor and the lifter wheel being connected with lifting motor are installed in the frame, are provided with the support tube provided with second Line slideway and the rack engaged with lifter wheel, the second sliding block coordinated with second straight line guide rail is installed in the frame, The end of the telescopic arm is equipped with video camera, and the video camera, motor and lifting motor are electrically connected with control process system Connect, the protector includes the electromagnet being installed in frame and rotating shaft and the locking that can be attracted and rotated by electromagnet Plate, and locking plate is connected with axis of rotation, the locking plate is provided with the latch that can be caught in rack, is also equipped with the frame The elastic original paper of locking sheet reset can be made.
2. A kind of 2. detector according to claim 1, it is characterised in that：The bearing group includes the first thrust bearing, the Two thrust bearings, deep groove ball bearing.
3. A kind of 3. detector according to claim 1, it is characterised in that：The support tube end is provided with ring flange, described Bearing block one end is fixed with ring flange, and the rotary shaft includes the first thrust bearing section, spacing ring, the second thrust set gradually Bearing section, deep groove ball bearing section, are equipped with the first thrust bearing in the first thrust bearing section, in the second thrust bearing section Equipped with the second thrust bearing, the deep groove ball bearing section is equipped with deep groove ball bearing, and the cursor end is provided with swivel plate, described One end of rotary shaft is fixed with swivel plate, and endoporus one end of the bearing block is provided with the bulge loop of the second thrust bearing of compacting.
4. A kind of 4. detector according to claim 1, it is characterised in that：The support tube be provided with can with frame The sensing chip of proximity switch sensing.
5. A kind of 5. detector according to claim 1, it is characterised in that：The elastic original paper is extension spring, the one of the extension spring End is connected with the bottom of locking plate, and the other end of the extension spring is fixed with frame.
6. A kind of 6. detector according to claim 1, it is characterised in that：The rotating shaft includes bearing piece and screw, and bearing piece is solid Due in frame, and screw is provided with bearing piece, is provided with axis hole in the middle part of the locking plate, the screw is through axis hole and screw rotation Tightly.
7. A kind of 7. detector according to claim 1, it is characterised in that：Installing plate, the electromagnetism are housed in the frame Iron, rotating shaft are mounted on installing plate.