CN220871678U

CN220871678U - Length detection device

Info

Publication number: CN220871678U
Application number: CN202322375726.0U
Authority: CN
Inventors: 刘洋; 李岩; 臧乾; 陆希栋
Original assignee: Changsha Penghai Technology Development Co ltd
Current assignee: Changsha Penghai Technology Development Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-30
Anticipated expiration: 2033-09-01

Abstract

The utility model belongs to the technical field of shock absorbers, and particularly relates to a length detection device. The length detection device includes: the mounting seat is arranged on the upper end face of the base, and a cavity is formed in the base; the detection groove is arranged on the upper end surface of the mounting seat, the detection groove is arranged along the length direction of the base, and the cross-sectional area of the detection groove is sequentially decreased from top to bottom; the connecting groove vertically extends downwards along the bottom surface of the detection groove to form the bottom surface of the mounting seat; the penetrating groove is arranged on the upper end surface of the base, the lower end of the penetrating groove extends into the base, and the penetrating groove is communicated with the connecting groove; the fixed part is fixedly arranged in the detection groove, one end of the moving part extends into the detection groove, the other end of the moving part penetrates through the connecting groove and the penetrating groove and then extends into the base, and the moving part can move relative to the fixed part; and the displacement sensor is arranged in the base and is used for detecting the moving distance of the moving piece. The utility model can detect the length of the shock absorber sleeve.

Description

Length detection device

Technical Field

The utility model belongs to the technical field of shock absorbers, and particularly relates to a length detection device.

Background

The damper sleeve is an important component of a damper, and is used as a carrier in the damper to mount other components inside and outside the damper, so as to realize the function of damping and buffering, and the damper is widely applied to vehicles to improve the riding comfort of passengers.

After the sealing cover is welded on the shock absorber sleeve, welded welding slag needs to be cleaned, and in order to improve production efficiency, the company designs an automatic production line for sequentially removing slag on the inner wall and the outer wall of the shock absorber sleeve.

In the process of designing an automatic cleaning production line for shock absorber sleeves, different parameters (controlling the stroke of a hairbrush and ensuring that cleaning positions are at welding positions) need to be set for cleaning the shock absorber sleeves with different lengths, if shock absorber sleeves with other length specifications are mixed in batch production, the machine halt can be caused, and the production efficiency is affected.

Disclosure of utility model

The utility model aims to solve the technical problems that: to the technical problem who proposes among the background art, provide a length detection device, can detect the telescopic length of bumper shock absorber through this device, avoid the bumper shock absorber sleeve of different specifications to mix into the production line and influence production efficiency.

The technical scheme provided by the utility model is as follows:

a length detection apparatus comprising:

the mounting seat is arranged on the upper end face of the base, and a cavity is formed in the base;

The detection groove is arranged on the upper end face of the mounting seat, the detection groove is arranged along the length direction of the base, and the cross-sectional area of the detection groove is sequentially decreased from top to bottom;

The connecting groove vertically extends downwards from the bottom surface of the mounting seat along the bottom surface of the detection groove;

the penetrating groove is arranged on the upper end face of the base, the lower end of the penetrating groove extends into the base, and the penetrating groove is communicated with the connecting groove;

The fixed part is fixedly arranged in the detection groove, one end of the moving part extends into the detection groove, the other end of the moving part penetrates through the connecting groove and the penetrating groove and then extends into the base, and the moving part can move relative to the fixed part;

And the displacement sensor is arranged in the base and is used for detecting the moving distance of the moving piece.

Optionally, the method further comprises:

and the discharging device ejects the detected product out of the detection groove.

Optionally, the method further comprises:

the first linear driving device is fixed in the base and drives the moving piece to reciprocate;

The guide rail is fixed in the base, the guide rail is arranged along the length direction of the base, the slide block is slidably mounted on the guide rail, and the slide block is fixed on the moving part.

Optionally, the method further comprises:

The detector is used for sensing whether a product to be detected enters the detection groove or not;

And the controller judges whether to start the first linear driving device according to the information fed back by the detector.

Optionally, the fixing piece is a hollow pipe, the detector is a photoelectric sensor, and the light beam emitted by the photoelectric sensor passes through the hollow pipe.

Optionally, one end of the hollow pipe fitting, which is close to the moving part, is provided with a boss, the boss is in a ring shape, and one end of the boss, which is far away from the hollow pipe fitting, is processed to form a datum plane.

Optionally, the method further comprises:

The discharging plate is arranged on one side of the mounting seat and is obliquely arranged along the moving direction of the product.

Optionally, the detecting groove is provided with a plurality of first mounting grooves along the length direction at intervals, and the discharging plate is provided with a plurality of second mounting grooves corresponding to the first mounting grooves;

the discharging device comprises a second linear driving device, a rotating shaft, a connecting rod and a turnover fork; the second linear driving device is fixed relative to the base, one end of the connecting rod is welded on the outer wall of the rotating shaft, the other end of the connecting rod is hinged with the output end of the second linear driving device, the plurality of overturning forks are welded and fixed on the outer wall of the rotating shaft, the plurality of overturning forks are arranged at intervals along the length direction of the rotating shaft, and the overturning forks are arranged opposite to the connecting rod;

The rotating shaft is rotationally connected to one side of the base, and the axis of the rotating shaft is parallel to the length direction of the base;

One end of the overturning fork far away from the rotating shaft is positioned in the first mounting groove.

Optionally, the end of the overturning fork far away from the rotating shaft is bent upwards to form the limiting plate.

Optionally, two sides of the discharging plate are bent upwards to form a baffle.

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

According to the utility model, the fixed part and the moving part are arranged in the detection groove, the shock absorber sleeve entering the detection groove can be clamped by moving the moving part relative to the fixed part, and the moving distance of the moving part is detected by the displacement sensor, so that the length of the shock absorber sleeve is calculated.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a schematic view of a first linear driving device inside a base of the present utility model;

FIG. 4 is a schematic view of the guide rail and slider inside the base of the present utility model;

fig. 5 is a schematic structural view of a discharging device of the present utility model.

In the figure: 1. a mounting base; 2. a base; 3. a detection groove; 4. a connecting groove; 5. a through groove; 6. a fixing member; 7. a moving member; 8. a displacement sensor; 9. a first linear driving device; 10. a detector; 11. a controller; 12. a boss; 13. a reference surface; 14. a discharge plate; 15. a first mounting groove; 16. a second mounting groove; 17. a second linear driving device; 18. a rotating shaft; 19. a connecting rod; 20. a turnover fork; 21. a limiting plate; 22. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to the drawings, a length detection apparatus includes:

The device comprises a mounting seat 1 and a base 2, wherein the mounting seat 1 is arranged on the upper end surface of the base 2, and a cavity is formed in the base 2;

the detection groove 3 is formed in the upper end face of the mounting seat 1, the detection groove 3 is formed in the length direction of the base 2, and the cross-sectional area of the detection groove 3 is gradually decreased from top to bottom;

The connecting groove 4 extends downwards from the bottom surface of the mounting seat 1 along the bottom surface of the detection groove 3;

The penetrating groove 5 is arranged on the upper end face of the base 2, the lower end of the penetrating groove 5 stretches into the base 2, and the penetrating groove 5 is communicated with the connecting groove 4;

The fixed part 6 and the moving part 7, the fixed part 6 is fixedly arranged in the detection groove 3, one end of the moving part 7 stretches into the detection groove 3, the other end of the moving part 7 stretches into the base 2 after penetrating through the connecting groove 4 and the penetrating groove 5, and the moving part 7 can move relative to the fixed part 6;

The displacement sensor 8, the displacement sensor 8 sets up in base 2, and displacement sensor 8 is used for detecting the distance that moving member 7 moved.

As a further scheme, the method further comprises:

The first linear driving device 9, the first linear driving device 9 is fixed in the base 2, and the first linear driving device 9 drives the moving piece 7 to reciprocate;

The guide rail and the slider, the guide rail is fixed in base 2, and the guide rail sets up along the length direction of base 2, and slider slidable mounting is on the guide rail, and the slider is fixed on moving part 7. Through setting up guide rail and slider, can restrict moving member 7 and follow the length direction removal of detecting groove 3, guarantee that the distance that moving member 7 that displacement sensor 8 detected moved is the true distance that moving member 7 moved along detecting groove 3 length direction.

As a further scheme, the method further comprises:

The detector 10, the detector 10 is used for sensing whether the product to be detected enters the detection groove 3;

And a controller 11, wherein the controller 11 determines whether to start the first linear driving device 9 according to the information fed back by the detector 10. Automatic detection can be achieved by cooperation of the detector 10, the controller 11 and the first linear drive 9.

As a further scheme, the fixing piece 6 is a hollow pipe, the detector 10 is a photoelectric sensor, and a light beam emitted by the photoelectric sensor passes through the hollow pipe.

After the damper sleeve enters the detection groove 3, the sealing end of the damper sleeve is close to the fixing member 6.

In the drawings, the fixing member 6 has a columnar structure, but the shape of the fixing member 6 is not limited, and the fixing member may slide in the detection groove 3, the connection groove 4, the penetration groove 5, and the base 2 to push the damper sleeve to move.

As a further scheme, one end of the hollow pipe fitting, which is close to the moving part 7, is provided with a boss 12, the boss 12 is in a circular ring shape, and one end of the boss 12, which is far away from the hollow pipe fitting, is processed to form a reference surface 13. Because the efficiency of processing the reference surface 13 is low, the area of finish machining is small and the processing efficiency is high by adopting the reference surface 13 as compared with the end surface of a hollow pipe fitting as a reference.

As a further proposal, a discharging plate 14 is also arranged, the discharging plate 14 is arranged at one side of the mounting seat 1, and the discharging plate 14 is obliquely arranged along the moving direction of the product.

It should be noted that the utility model is located between the buffer device and the feeding device in the whole production line for cleaning the damper sleeve. The discharge plate 14 is fixed to the frame of the buffer device by a plate member. In the actual use process, the discharging plate 14 can be welded and fixed on the outer side wall of the mounting seat 1 or the base 2 through a plate.

Further, both sides of the discharging plate 14 are bent upward to form a baffle 22. The position of the damper sleeve can be limited by the baffle 22, placing the damper sleeve to slide out from both ends of the outfeed plate 14.

It should be noted that, referring to fig. 1, since the detection groove 3 and the connection groove 4 extend out of both sides of the mounting base 1 along the length direction, the mounting base 1 in fig. 1 is formed by two plates. In practical use, the detecting groove 3 and the connecting groove 4 may not penetrate through two sides of the mounting seat 1, and the mounting seat 1 is a plate.

Obviously, the mounting base 1 and the base 2 may also be integrated.

Example 2

In order to transport the inspected damper sleeve from the inspection tank 3 to the next process, a discharge device is provided.

The discharging device comprises a second linear driving device 17, a rotating shaft 18, a connecting rod 19 and a turnover fork 20; the second linear driving device 17 is fixed relative to the base 2, one end of the connecting rod 19 is welded on the outer wall of the rotating shaft 18, the other end of the connecting rod 19 is hinged with the output end of the second linear driving device 17, a plurality of overturning forks 20 are welded and fixed on the outer wall of the rotating shaft 18, the overturning forks 20 are arranged at intervals along the length direction of the rotating shaft 18, and the overturning forks 20 are arranged opposite to the connecting rod 19;

the rotating shaft 18 is rotatably connected to one side of the base 2, and the axis of the rotating shaft 18 is parallel to the length direction of the base 2;

The detection groove 3 is provided with a plurality of first mounting grooves 15 at intervals along the length direction, and the discharge plate 14 is provided with a plurality of second mounting grooves 16 corresponding to the first mounting grooves 15;

The end of the flipping fork 20 remote from the rotating shaft 18 is located in the first mounting groove 15.

It should be noted that both ends of the rotary shaft 18 are rotatably mounted on the plate member of the fixed discharge plate 14. In actual use, the rotating shaft 18 may be fixed on one side of the base 2 through a bearing seat.

The through groove 5 and the first mounting groove 15 are disposed at intervals in the longitudinal direction of the base 2 to ensure that the moving member 7 does not strike the flipping fork 20.

As a further solution, the end of the turnover fork 20 far away from the rotating shaft 18 is bent upwards to form a limiting plate 21. By providing the upward-tilting stopper plate 21, the damper sleeve can be restricted to the overturning fork 20.

Obviously, other structures may be adopted for the discharging device, for example, the first mounting groove 15 is extended downwards into the base 2, a lifting plate is arranged in the first mounting groove 15, the lifting plate is pushed to move up and down by the second linear driving device 17, the top of the lifting plate is arranged in an inclined manner, and the shock absorber sleeve can be pushed to move along a preset direction (not shown in the figure) after the lifting plate enters the detection groove 3.

Obviously, the discharge device may also be arranged above the base 2.

Example 3

The working principle of the present utility model is explained in detail.

After the controller 11 detects that the shock absorber sleeve enters the detection groove 3 through the detector 10, the controller 11 starts the first linear driving device 9, the first controller 11 pulls the moving part 7 to move towards the fixed part 6, when the moving part 7 impacts the shock absorber sleeve, the shock absorber sleeve is driven to move towards the fixed part 6 until the shock absorber sleeve is clamped by the fixed part 6 and the moving part 7, then the first linear driving device 9 pushes the moving part 7 to reset, in the process, the displacement sensor 8 obtains the maximum distance D1 of the moving part 7, the initial distance between the moving part 7 and the fixed part 6 is D2, and the length of the shock absorber sleeve can be obtained through subtracting the D1 from the D2.

When the length of the shock absorber sleeve exceeds the set range, an alarm is given, and the starting of the discharging device is stopped.

When the length of the damper sleeve is within the set range, the controller 11 activates the discharge device (which may be achieved by a delayed activation, i.e. within a predetermined time after activation of the first linear drive 9. The discharge device may also be activated by the controller 11 when the value of the displacement sensor 8 returns to its initial value).

The second linear driving device 17 is started, the pushing connecting rod 19 rotates downwards by taking the rotating shaft 18 as the axis, the overturning fork 20 is driven to rotate upwards by taking the rotating shaft 18 as the axis, the overturning fork 20 rotates into the detection groove 3 from the first mounting groove 15, in the process, the shock absorber sleeve is tightly attached to one side, close to the discharge plate 14, of the detection groove 3, the other side of the shock absorber sleeve is tightly attached to the overturning fork 20, therefore, in the process of overturning the overturning fork 20 upwards, the shock absorber sleeve can be pushed to move upwards, when the middle part of the overturning fork 20 enters into the second mounting groove 16, the shock absorber sleeve enters into the discharge plate 14 along the overturning fork 20, and enters into the next process under the guidance of the discharge plate 14.

The first linear driving device 9 and the second linear driving device 17 may be any of an air cylinder, a hydraulic cylinder, and an electric cylinder.

It should be noted that the utility model can obviously be used for detecting the length of parts such as shafts, pipes, sleeves and the like, and is particularly suitable for an automatic production line.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A length detection apparatus, comprising:

The mounting seat (1) and the base (2), wherein the mounting seat (1) is arranged on the upper end surface of the base (2), and a cavity is formed in the base (2);

The detection groove (3) is formed in the upper end face of the mounting seat (1), the detection groove (3) is formed in the length direction of the base (2), and the cross-sectional area of the detection groove (3) is sequentially decreased from top to bottom;

The connecting groove (4) extends out of the bottom surface of the mounting seat (1) vertically downwards along the bottom surface of the detection groove (3);

The penetrating groove (5) is arranged on the upper end face of the base (2), the lower end of the penetrating groove (5) stretches into the base (2), and the penetrating groove (5) is communicated with the connecting groove (4);

The device comprises a fixing piece (6) and a moving piece (7), wherein the fixing piece (6) is fixedly arranged in a detection groove (3), one end of the moving piece (7) stretches into the detection groove (3), the other end of the moving piece (7) penetrates through a connecting groove (4) and a penetrating groove (5) and then stretches into a base (2), and the moving piece (7) can move relative to the fixing piece (6);

And the displacement sensor (8) is arranged in the base (2), and the displacement sensor (8) is used for detecting the moving distance of the moving piece (7).

2. The length detection apparatus according to claim 1, further comprising:

And the discharging device ejects the detected product out of the detection groove (3).

3. The length detection apparatus according to claim 1, further comprising:

The first linear driving device (9), the first linear driving device (9) is fixed in the base (2), and the first linear driving device (9) drives the moving piece (7) to reciprocate;

The guide rail and the sliding block are fixed in the base (2), the guide rail is arranged along the length direction of the base (2), the sliding block is slidably mounted on the guide rail, and the sliding block is fixed on the moving part (7).

4. A length detection apparatus according to claim 3, further comprising:

The detector (10) is used for sensing whether a product to be detected enters the detection groove (3);

And a controller (11), wherein the controller (11) determines whether to start the first linear driving device (9) according to the information fed back by the detector (10).

5. The length detection device according to claim 4, wherein the fixing member (6) is a hollow pipe, and the detector (10) is a photoelectric sensor, and a light beam emitted from the photoelectric sensor passes through the hollow pipe.

6. The length detection device according to claim 5, wherein a boss (12) is provided at one end of the hollow pipe close to the moving member (7), the boss (12) is in a circular shape, and a reference surface (13) is processed at one end of the boss (12) away from the hollow pipe.

7. The length detection apparatus according to claim 2, further comprising:

The discharging plate (14), discharging plate (14) set up in mount pad (1) one side, and discharging plate (14) are along the direction slope setting of product removal.

8. The length detection device according to claim 7, wherein the mounting base (1) is provided with a plurality of first mounting grooves (15) at intervals along the length direction, and the discharging plate (14) is provided with a plurality of second mounting grooves (16) corresponding to the first mounting grooves (15);

The discharging device comprises a second linear driving device (17), a rotating shaft (18), a connecting rod (19) and a turnover fork (20); the second linear driving device (17) is fixed relative to the base (2), one end of the connecting rod (19) is welded on the outer wall of the rotating shaft (18), the other end of the connecting rod (19) is hinged with the output end of the second linear driving device (17), the plurality of overturning forks (20) are welded and fixed on the outer wall of the rotating shaft (18), the plurality of overturning forks (20) are arranged at intervals along the length direction of the rotating shaft (18), and the overturning forks (20) are arranged opposite to the connecting rod (19);

The rotating shaft (18) is rotatably connected to one side of the base (2), and the axis of the rotating shaft (18) is parallel to the length direction of the base (2);

One end of the overturning fork (20) far away from the rotating shaft (18) is positioned in the first mounting groove (15).

9. A length detection device according to claim 8, characterized in that the end of the turnover fork (20) remote from the rotation shaft (18) is bent upwards to form a limit plate (21).

10. The length detection device according to claim 7, wherein both sides of the discharge plate (14) are bent upward to form a baffle plate (22).