CN219532097U - Probe collision avoidance system mechanism - Google Patents

Abstract

The utility model provides a probe anti-collision system mechanism which comprises an assembly part, a mechanism main fixing piece and a detection probe, wherein the upper end of the detection probe is arranged on the assembly part, and the mechanism main fixing piece is provided with the assembly part in a manner of sliding up and down through a sliding block and sliding rail assembly. The utility model has the characteristics of flexibility protection and rigidity at the same time, ensures the consistency of the probe positions and meets the detection requirement; the anti-collision force can be set as a high-precision threshold according to the requirement, so that the high sensitivity of the anti-collision mechanism is ensured; the detection probe part converts partial or all forces from any aspect into forces perpendicular to the end face, and finally feeds the forces back to the controller so as to achieve all-around anti-collision effect of all angles; the detection probe can be limited, overlarge bending of the detection probe after collision with a workpiece is avoided, and the damage degree of the detection probe is effectively reduced.

Description

Probe collision avoidance system mechanism

Technical Field

The utility model relates to a probe detection protection connecting device, in particular to a probe collision avoidance system mechanism.

Background

In the industrial operation process, the workpiece is usually required to be detected, the accuracy of the workpiece is achieved, and in the detection process, the detection probe used for detection is relatively small in distance from the workpiece to be detected or is easy to damage when in contact, and if no corresponding protection measures are provided, the loss of relatively large cost can be caused. However, the conventional common anti-collision mechanism has only directional (one or more directions) anti-collision function, or the anti-collision mechanism is not rigid enough, and the probe cannot stably realize the detection purpose due to the shake or the property of incapability of qualitatively recovering. Meanwhile, the existing anti-collision mechanism is not provided with a protection structure for limiting and bending-preventing the detection probe, so that when the mechanical arm connected with the detection probe breaks down, the probe possibly collides with a detected workpiece, and the probe rod piece is bent, so that the cost is increased, and the working strength is also improved. Even if a controller connected with the pressure sensor is set as auxiliary equipment in the use process, the controller also has the problem of damage or inaccurate precision, so that the mechanical arm and other mechanisms driving the probe to detect cannot be stopped in time, and the detection probe is caused to be bent seriously, so that the detection probe cannot be maintained and used.

Disclosure of Invention

The utility model provides a probe anti-collision system mechanism which can effectively solve the problems.

The utility model is realized in the following way:

the probe anti-collision system mechanism comprises an assembly part, a mechanism main fixing piece and a detection probe, wherein the upper end of the detection probe is mounted on the assembly part, the mechanism main fixing piece is provided with the assembly part in a vertically sliding manner through a sliding block and sliding rail assembly, one end of the assembly part is in threaded connection with a pressure sensor, and the other end of the pressure sensor is in threaded fixation through the pressure sensor fixing piece;

still include spacing protection machanism, this spacing protection machanism includes an assembly ring that is used for fixed cover to establish test probe, the protruding edge of outer lane has been set firmly to the one end of assembly ring, the lower extreme on the protruding edge of outer lane rotationally is provided with a plurality of diagonal bars, and the one end of diagonal bar has set firmly the spacing ring, and a plurality of spacing rings are distributed in the periphery of spacing ring in a ring-shaped manner for restriction protection test probe.

As a further improvement, the lower end of the outer ring convex edge is fixedly connected with a pivot seat, two inner side surfaces of the middle part of the pivot seat are fixedly connected with adapter rings, a rotating shaft is rotatably arranged between the two adapter rings, and the rotating shaft is fixedly connected with a diagonal rod; an L-shaped plate extending downwards is arranged on one side surface of the pivot seat, and a limiting spring is fixedly connected between the lower extending end of the L-shaped plate and the other end of the inclined rod.

As a further improvement, the sliding block and sliding rail assembly comprises a sliding block and a sliding rail, the sliding rail is fixedly arranged on the main fixing piece of the mechanism, the sliding block is slidably arranged on the sliding rail, and the pressure sensor fixing piece is fixedly arranged on the sliding block.

As a further improvement, the main fixing part of the mechanism is fixedly provided with a spring limiting part, the spring limiting part is positioned above the pressure sensor fixing part, a spring shaft part is fixedly connected between the pressure sensor fixing part and the spring limiting part, and the outer wall of the spring shaft part is in threaded connection with a spring force adjusting part; the outer wall of the spring shaft piece is sleeved with a buffer spring for adjusting buffer force between the spring limiting piece and the spring force adjusting piece.

As a further improvement, one end of the mechanism main fixing piece penetrates through the assembly part and is fixedly connected with a buffer positioning fixing piece; and a buffer positioning piece is fixedly connected between the buffer positioning fixing piece and the pressure sensor fixing piece.

As a further improvement, the other end of the fitting is detachably and fixedly connected with a probe fixing piece, and the upper end of the detection probe is clamped and fixed between the fitting and the probe fixing piece.

The beneficial effects of the utility model are as follows:

(1) Through structures such as the slider slide rail subassembly and the buffer function that set up, can make the device have flexible protection concurrently, the rigid characteristics that possess again, ensure the uniformity of detection probe position, in order to satisfy the detection demand, and also can make the detection probe receive the force of which aspect, all convert part or whole perpendicular to terminal surface's dynamics, finally feed back the controller, in order to reach the omnidirectional anticollision effect of each angle, finally, the controller that is connected with pressure sensor can set up upper and lower pressure threshold (positive negative value and accurate to 0.001N's precision), when the external force of perception exceeded the threshold, the motion is stopped immediately to the motion mechanism that is associated with equipment, finally reach the purpose of protection detection probe.

(2) Through the spacing protection machanism that sets up, can be when detecting probe buckles, carry out spacing protection to its surrounding, make detecting probe can be through spacing spring isotructure buffering, after detecting probe and the work piece that detects bump, can avoid detecting probe and work piece to appear too big buckling, the effectual damage degree that reduces detecting probe, structure such as cooperation controller again, very big improvement detecting probe's integrality is favorable to reduce cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of the present utility model.

Fig. 2 is a schematic structural view of the assembly of the present utility model.

Fig. 3 is a schematic structural view of the limit protection mechanism of the present utility model.

Fig. 4 is an exploded view of the present utility model.

Fig. 5 is a side view of the present utility model.

Reference numerals illustrate:

1. a mechanism main fixing member; 2. a slider slide rail assembly; 3. a pressure sensor mount; 4. a spring limiter; 5. a fitting; 6. a pressure sensor; 7. a probe mount; 8. a detection probe;

9. a limit protection mechanism; 90. a mounting ring; 91. a screw hole; 92. an outer ring convex edge; 93. a pivot seat; 94. an adapter ring; 95. a rotating shaft; 96. a diagonal rod; 97. a limiting ring; 98. an L-shaped plate; 99. a limit spring;

10. a spring shaft; 11. a spring force adjustment member; 12. a buffer spring; 13. buffering positioning fixing pieces; 14. and the buffer positioning piece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-5, a probe anti-collision system mechanism comprises an assembly part 5, a main mechanism fixing piece 1 and a detection probe 8, wherein the upper end of the detection probe 8 is arranged on the assembly part 5, and the main mechanism fixing piece 1 is provided with the assembly part 5 in a manner of sliding up and down through a sliding block and sliding rail assembly 2. The sliding block and sliding rail assembly 2 comprises a sliding block and a sliding rail, the sliding rail is fixedly arranged on the main mechanism fixing piece 1, and the sliding block is slidably arranged on the sliding rail. Specifically, the front end of the slider is screwed with a downward extending end of the pressure sensor mount 3, so that the pressure sensor mount 3 moves with it when the slider slides upward or downward. One end of the fitting 5 is screwed with a pressure sensor 6, and the other end of the pressure sensor 6 is screwed by the pressure sensor fixing member 3. The other end of the fitting 5 is connected with a probe fixing piece 7 in a threaded manner, and a detection probe 8 for detecting a workpiece is clamped between the fitting and the probe fixing piece. Specifically, the pressure sensor fixing member 3, the assembly member 5 and the pressure sensor 6 are assembled and move up and down along with the sliding block, the model of the pressure sensor 6 is SRT673-100KG, when the detection probe 8 receives an external force, the pressure sensor 6 receives a component force (upward or downward) perpendicular to the end face, the pressure sensor 6 is electrically connected with an external controller, the controller is used for sensing the pressure and controlling the on-off of the mechanical arm, the controller can set up an upper pressure threshold and a lower pressure threshold (positive and negative values and precision to 0.001N), when the sensed external force exceeds the threshold, the controller can reflect the sensed external force to a system (PLC), then the system can transmit signals to a motion mechanism (such as a mechanical arm) associated with/connected with the equipment to stop moving immediately, and the motion mechanism (such as the mechanical arm) can be connected with the mechanism main fixing member 1, so that the detection probe 8 and other structures are driven to detect, and the aim of protecting the detection probe 8 is achieved; preferably, the force applied by the detection probe 8 in any aspect is partially or completely converted into force perpendicular to the end surface, and finally fed back to the controller so as to achieve all-angle all-round anti-collision effect.

Furthermore, the assembled device can be fixed on a manipulator or other movement mechanisms to move along with the manipulator, and the end detection probe 8 is protected in the operation process; the end detection probe 8 can be fixed on a static component, and can be monitored and protected in real time in the process of detecting the movement of a target workpiece; can be used for protecting other similar structures needing to be crashed so as to achieve the corresponding protection purpose.

Also comprises a limit protection mechanism 9, wherein the limit protection mechanism 9 comprises an assembly ring 90 for fixedly sleeving the detection probe 8. Specifically, the assembly ring 90 is sleeved on the detection probe 8 and is screwed with the screw hole 91 through an existing threaded connecting piece (such as a screw, a bolt, etc.), meanwhile, four screw holes 91 (not shown in the figure) are formed in an outer ring at one end of the detection probe 8, so that the assembly ring 90 can be selectively connected with other screw holes 91, and the direction of the assembly ring 90 can be changed and adjusted to a position required by a user.

An outer ring convex edge 92 is fixedly arranged at one end of the assembly ring 90, and two inner side surfaces of the middle part of the pivoting seat 93 are fixedly connected with an adaptation ring 94 _， A rotation shaft 95 is rotatably provided between the two adapter rings 94. Specifically, the adapter rings 94 are fixedly mounted at two ends of the inner side of the pivot base 93, and the rotation shaft 95 rotates between the two sets of adapter rings 94 (the structure formed by the adapter rings 94 and the rotation shaft 95 is a common technical structure in the prior art, and therefore, detailed description thereof is omitted herein) _。 The lower extreme of outer lane protruding edge 92 rotationally is provided with a plurality of diagonal rods 96, and the one end of diagonal rod 96 has set firmly spacing ring 97, and a plurality of spacing rings 97 are distributed in the periphery of spacing ring 97 in a ring-shaped distribution for restriction protection test probe 8. Specifically, the diagonal rod 96 can outwards rotate through the rotating shaft 95, and the two limiting rings 97 surround the detection probe 8, when the detection probe 8 is outwards bent by external force, the limiting rings 97 can block and limit the detection probe 8, and the limiting spring 99 is connected to one end of the diagonal rod 96 connected with the rotating shaft 95, after the diagonal rod 96 outwards rotates, the limiting spring 99 can give the diagonal rod 96 a buffer force, so that damage can be reduced as much as possible when the detection probe 8 is contacted with the limiting rings 97, and the service life of the detection probe 8 is prolonged. An L-shaped plate 98 extending downward is provided on one side of the pivoting seat 93, and a limit spring 99 is fixedly connected between the lower extending end of the L-shaped plate 98 and the other end of the diagonal rod 96.

Furthermore, an alarm (not shown in the figure, and the alarm is of the prior art, its specific structure and connection mode are not described in detail here) is further embedded on the surface of the stop collar 97 contacting with the detection probe 8, and the alarm is electrically connected with the controller, so that after the detection probe 8 contacts with the detection probe, the problem of bending is described, and at this time, the alarm will give an alarm, so that the worker can stop the mechanical arm or other mechanisms timely, thereby stopping damage timely.

The mechanism main fixing piece 1 is fixedly provided with a spring limiting piece 4, the spring limiting piece 4 is positioned above the pressure sensor fixing piece 3, a spring shaft piece 10 is fixedly connected between the pressure sensor fixing piece 3 and the spring limiting piece 4, and the outer wall of the spring shaft piece 10 is in threaded connection with a spring force adjusting piece 11; the outer wall of the spring shaft member 10 is sleeved with a buffer spring 12 for adjusting buffer force between the spring limiting member 4 and the spring force adjusting member 11. Specifically, the spring force adjusting member 11 can move up and down on the spring shaft member 10, and after being adjusted to a proper position, the spring force adjusting member 11 is fixed on the spring shaft member 10 by the existing screw fixing member, so as to adjust the compression amount of the buffer spring 12, and adjust the buffering rigidity of the mechanism. One end of the mechanism main fixing piece 1 penetrates through the assembly piece 5 and is fixedly connected with a buffering positioning fixing piece 13; a buffer positioning piece 14 is fixedly connected between the buffer positioning fixing piece 13 and the pressure sensor fixing piece 3. Specifically, referring to fig. 1, the upper end of the cushion retainer 14 is connected to one end of the pressure sensor mount 3 penetrating the fitting 5. The pressure sensor 6 is electrically connected with an external controller, and the controller is used for sensing the pressure and controlling the switch of the mechanical arm, so that the anti-collision force of the whole device is set as a high-precision threshold value according to the requirement, and the high sensitivity of the anti-collision mechanism is ensured. Specifically, the model of the controller is SBT951-T.

Further, when the sliding block and sliding rail assembly 2 slides upwards, the buffer spring 12 is subjected to compression force, so that the mechanism moves upwards as a whole, and when the probe is subjected to impact force in the main direction but fails to stop acting in time, the probe can be buffered and retracted, and a certain protection effect is also achieved; when the external force is removed, the buffer positioning fixing piece 13 and the buffer positioning piece 14 can buffer and limit the compression force generated by the structures such as the buffer spring 12, and the spring force of the buffer spring 12 is fixed at the original position relative to the moving part, so that the restoring effect is achieved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a probe collision avoidance system mechanism, includes assembly part (5), mechanism main mounting (1) and test probe (8), the upper end of test probe (8) is installed in assembly part (5), its characterized in that, mechanism main mounting (1) can be provided with assembly part (5) through slider slide rail subassembly (2) with sliding from top to bottom, the one end threaded connection of assembly part (5) has pressure sensor (6), and the other end of pressure sensor (6) is fixed through pressure sensor mounting (3) screw thread;

still include spacing protection machanism (9), this spacing protection machanism (9) are including being used for fixed cover to establish assembly ring (90) of detecting probe (8), the protruding edge (92) of outer lane has been set firmly to the one end of assembly ring (90), the lower extreme of protruding edge (92) of outer lane rotationally is provided with a plurality of diagonal rods (96), and the one end of diagonal rod (96) has set firmly spacing ring (97), and a plurality of spacing rings (97) are distributed in the periphery of spacing ring (97) in a ring-shaped for restriction protection detecting probe (8).

2. The probe anti-collision system mechanism according to claim 1, wherein the lower end of the outer ring flange (92) is fixedly connected with a pivot seat (93), two inner side surfaces of the middle part of the pivot seat (93) are fixedly connected with adapter rings (94), a rotating shaft (95) is rotatably arranged between the two adapter rings (94), and the rotating shaft (95) is fixedly connected with a diagonal rod (96); an L-shaped plate (98) extending downwards is arranged on one side surface of the pivoting seat (93), and a limiting spring (99) is fixedly connected between the lower extending end of the L-shaped plate (98) and the other end of the inclined rod (96).

3. The probe collision avoidance system mechanism of claim 1 wherein the slider slide rail assembly (2) comprises a slider and a slide rail, the slide rail is fixedly mounted on the mechanism main fixing member (1), the slider is slidably mounted on the slide rail, and the pressure sensor fixing member (3) is fixedly mounted on the slider.

4. The probe anti-collision system mechanism according to claim 1, wherein a spring limiting piece (4) is fixedly installed on the main mechanism fixing piece (1), the spring limiting piece (4) is located above the pressure sensor fixing piece (3), a spring shaft piece (10) is fixedly connected between the pressure sensor fixing piece (3) and the spring limiting piece (4), and a spring force adjusting piece (11) is connected to the outer wall of the spring shaft piece (10) through threads; the outer wall of the spring shaft (10) is sleeved with a buffer spring (12) for adjusting buffer force between the spring limiting piece (4) and the spring force adjusting piece (11).

5. A probe collision avoidance system mechanism as claimed in claim 1, in which one end of the main fixture (1) of the mechanism extends through the fitting (5) and is fixedly connected with a buffer positioning fixture (13); and a buffer positioning piece (14) is fixedly connected between the buffer positioning fixing piece (13) and the pressure sensor fixing piece (3).

6. A probe collision avoidance system mechanism as claimed in claim 1, in which the other end of the fitting (5) is detachably and fixedly connected with a probe fixing member (7), and the upper end of the detection probe (8) is clamped and fixed between the fitting (5) and the probe fixing member (7).