CN219708402U

CN219708402U - Low-noise turnover mechanism

Info

Publication number: CN219708402U
Application number: CN202321323191.6U
Authority: CN
Inventors: 朱春耀; 李军辉; 周东东; 李海军; 郑立新
Original assignee: Changhong Fulian Zhengzhou Precision Technology Co ltd
Current assignee: Changhong Fulian Zhengzhou Precision Technology Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-09-19
Anticipated expiration: 2033-05-29

Abstract

The utility model aims to provide the low-noise turnover mechanism which is reasonable in design, low in noise and capable of effectively improving the detection effect and avoiding missing detection or false detection. The utility model comprises a mounting frame and an XY double-shaft moving mechanism arranged on the mounting frame, wherein a clamping turnover mechanism is arranged at the action end of the XY double-shaft moving mechanism, the clamping turnover mechanism comprises a Z-shaft lifting assembly, a lifting seat is arranged at the action end of the Z-shaft lifting assembly, a left turnover assembly and a right turnover assembly are relatively slid on the front side of the lifting seat, a left driving cylinder and a right driving cylinder which are respectively matched with the left turnover assembly and the right turnover assembly are arranged on the lifting seat, and connecting rod dead stop assemblies which are respectively matched with the left turnover assembly and the right turnover assembly are respectively arranged at the two ends of the rear side of the lifting seat. The utility model relates to the technical field of automatic testing.

Description

Low-noise turnover mechanism

Technical Field

The utility model relates to the technical field of automatic detection, in particular to a low-noise turnover mechanism.

Background

With the rapid development of new energy automobiles, three core technologies of power supplies, electric controls and motors serving as the new energy automobiles are continuously broken through, and the increasing demands of the new energy automobiles promote the rapid development of automatic production lines of the new energy automobiles, and the demands of the automatic production lines of the power supplies, the electric controls and the motors are suddenly increased. The automation rate is higher and higher, and less and even no humanization is required for more and more testing stations; in the face of the trend toward no humanization, low noise test stations (silence tests) are also increasingly requiring automation.

In the past, when detecting whether the screw is fallen in the inside of boxes such as gearbox, reducing gear box, often use high sensitive electronic scale, perhaps utilize laborsaving mechanism, match artificial rocking to whether have collision sound or friction sound in the listening box. For most high-precision electronic scales, the index value of 30000e is already high-precision (for example, the maximum measuring range is 30KG, the detection precision is 1 g), but for large products, the weighing detection is slightly distorted, for example, according to the weight of 0.87 KG/thousand pieces of hexagonal cylindrical screws M3-10 in GB70-85, an average screw is less than 1g, if the detection is put on a line body to be used as an automatic station, a jacking plate (refer to FIG. 1) and the weight of a product tray are added, and the sum of the weights of the tray and the jacking plate is often not less than the weight of the product, so that the measurement inaccuracy is increased. For detection using the power assisting mechanism, friction and collision sounds generated by the power assisting mechanism in the long-term movement process are larger and larger, so that the difficulty of distinguishing the collision sounds of the screws is increased, and the conditions of missing detection and false detection are easy to occur.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the low-noise turnover mechanism which has reasonable design and small noise and can effectively improve the detection effect and avoid missing detection or false detection.

The technical scheme adopted by the utility model is as follows: the utility model comprises a mounting frame and an XY double-shaft moving mechanism arranged on the mounting frame, wherein a clamping turnover mechanism is arranged at the action end of the XY double-shaft moving mechanism, the clamping turnover mechanism comprises a Z-shaft lifting assembly, a lifting seat is arranged at the action end of the Z-shaft lifting assembly, a left turnover assembly and a right turnover assembly are relatively slid on the front side of the lifting seat, a left driving cylinder and a right driving cylinder which are respectively matched with the left turnover assembly and the right turnover assembly are arranged on the lifting seat, and connecting rod dead stop assemblies which are respectively matched with the left turnover assembly and the right turnover assembly are respectively arranged at the two ends of the rear side of the lifting seat.

Further, the dead subassembly that keeps off of connecting rod includes dead fender cylinder and spacing pin, the below that keeps off the cylinder that keeps off is provided with the fixed block, spacing pin is in dead fender cylinder with between the fixed block, spacing pin's front end pass the elevating socket and with left side upset subassembly/right side upset subassembly cooperation, the rear end of spacing pin articulates there is the movable connecting rod, the output shaft that keeps off the cylinder that keeps off articulates there is the Z word connecting rod, the middle part and the end of Z word connecting rod respectively with the movable connecting rod with the fixed block articulates.

Further, left side upset subassembly include with left side drive cylinder transmission is connected left sliding seat, left sliding seat's front end both sides are provided with upset motor and left quick change bottom plate respectively, left side quick change bottom plate rotate set up on the left sliding seat and with the output shaft transmission of upset motor is connected, be connected with left profile modeling grip block on the left quick change bottom plate, be provided with on the left sliding seat with connecting rod dies fender subassembly matched with left dog.

Further, right flip subassembly include with right side drive cylinder transmission is connected right sliding seat, right sliding seat's front end both sides are provided with revolving cylinder and right quick change bottom plate respectively, right quick change bottom plate rotate set up right sliding seat is last and with revolving cylinder transmission is connected, install right profile modeling grip block on the right quick change bottom plate, be provided with on the right sliding seat with connecting rod dead fender subassembly matched with right dog.

Further, a plurality of left proximity sensors are arranged on the left sliding seat, a left identification piece is arranged on the left profiling clamping block, and a left through hole matched with the left proximity sensors is formed in the left identification piece.

Further, be provided with a plurality of right proximity sensor on the right sliding seat, be provided with right identification piece on the right profile modeling grip block, offer on the right identification piece with right proximity sensor matched with right through-hole.

Further, the front side of lifting seat is provided with the product inductor, the product inductor is located left side drive the cylinder with right side drive the cylinder between the cylinder and with left side drive the cylinder with right side drive the cylinder cooperation.

Further, Z axle lifting unit is including installing the riser, the lift seat is in through lift slide rail and lifting slide block slip setting the front side of installation riser, be provided with on the installation riser elevator motor and with Z axle lead screw that elevator motor transmission is connected, lead screw nut on the Z axle lead screw with lift seat fixed connection.

Further, the two clamping turnover mechanisms are arranged at the front side and the rear side of the XY double-shaft moving mechanism respectively.

The beneficial effects of the utility model are as follows: according to the utility model, the clamping turnover mechanism can move in the X-axis direction and the Y-axis direction through the XY double-shaft moving mechanism, the clamping turnover mechanism can move in the Z-axis direction through the Z-axis lifting assembly, the left turnover assembly and the right turnover assembly are driven to move relatively through the left driving cylinder and the right driving cylinder, so that a product is clamped, the left turnover assembly and the right turnover assembly are matched together to realize turnover of the product, the connecting rod dead stop assembly is used for limiting the left turnover assembly and the right turnover assembly for clamping the product, so that the left driving cylinder and the right driving cylinder still keep a clamping state after gas interruption, and noise generated by high-pressure gas leakage can be eliminated when the device is used; when noise detection is carried out, the product is clamped between the left overturning assembly and the right overturning assembly and is overturned by the left overturning assembly and the right overturning assembly, the Z-axis lifting assembly acts to enable the product to move up and down, and therefore when whether a falling screw exists in the detection box body, the adopted movement mode is that the falling screw is carried out up and down and overturned simultaneously, and the movement range of the falling screw is enlarged. Therefore, the utility model has reasonable overall design and small noise during operation, can clearly distinguish the sound generated by the collision of the screw, can effectively improve the detection effect and avoid missing detection or false detection, and has high automation of the overall action.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a prior art electronic scale for detection;

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

FIG. 3 is a schematic perspective view of the clamping and turning mechanism according to the present utility model;

FIG. 4 is a schematic view of a three-dimensional structure of a clamping and turning mechanism according to another aspect of the present utility model;

FIG. 5 is a schematic perspective view of the connecting rod dead stop assembly of the present utility model mated with the left flip assembly;

FIG. 6 is a schematic perspective view of a part of the structure of the clamping and turning mechanism according to the present utility model;

FIG. 7 is a schematic perspective view of a left flip assembly according to the present utility model;

fig. 8 is a schematic perspective view of a right flipping assembly according to the present utility model.

Detailed Description

As shown in fig. 2 to 8, in this embodiment, the present utility model includes a mounting frame 1 and an XY biaxial movement mechanism 2 disposed on the mounting frame 1, a clamping and turning mechanism 3 is disposed at an action end of the XY biaxial movement mechanism 2, the clamping and turning mechanism 3 includes a Z-axis lifting assembly 31, a lifting seat 32 is disposed at an action end of the Z-axis lifting assembly 31, a left turning assembly 33 and a right turning assembly 34 are relatively slid on a front side of the lifting seat 32, a left driving cylinder 35 and a right driving cylinder 36 respectively matched with the left turning assembly 33 and the right turning assembly 34 are disposed on the lifting seat 32, and a connecting rod dead stop assembly 37 respectively matched with the left turning assembly 33 and the right turning assembly 34 is disposed at two ends of a rear side of the lifting seat 32. During operation, the XY biaxial movement mechanism 2 and the Z-axis lifting assembly 31 drive the left turning assembly 33 and the right turning assembly 34 to move to two sides of a product, then the left driving cylinder 35 and the right driving cylinder 36 drive the left turning assembly 33 and the right turning assembly 34 to move relatively and close to each other, clamp the product, after clamping, the two groups of connecting rod dead-stop assemblies 37 act on the left turning assembly 33 and the right turning assembly 34 to lock, then the left driving cylinder 35 and the right driving cylinder 36 are disconnected, the product still keeps a clamped state, then the left turning assembly 33 and the right turning assembly 34 act to drive the product to turn over, the Z-axis lifting assembly 31 act to drive the product to move up and down, the movement mode is up and down and turn over simultaneously, the movement range of a dropping screw is enlarged, and the detection effect is good.

In this embodiment, the connecting rod dead-stop assembly 37 includes a dead-stop cylinder 371 and a limit stop rod 372, a fixed block 373 is disposed below the dead-stop cylinder 371, the limit stop rod 372 is located between the dead-stop cylinder 371 and the fixed block 373, the front end of the limit stop rod 372 passes through the lifting seat 32 and cooperates with the left turning assembly 33/the right turning assembly 34, the rear end of the limit stop rod 372 is hinged with a movable connecting rod 374, an output shaft of the dead-stop cylinder 371 is hinged with a Z-shaped connecting rod 375, and the middle and the tail ends of the Z-shaped connecting rod 375 are respectively hinged with the movable connecting rod 374 and the fixed block 373. The front end of the limit stop lever 372 is movably matched with the lifting seat 32, and can extend out of the front side of the lifting seat 32 or retract into the lifting seat 32 under the drive of the dead stop cylinder 371, so as to be matched with the left overturning assembly 33 or the right overturning assembly 34 to form a block; when the dead stop cylinder 371 is driven to extend, the Z-shaped connecting rod 375 is driven to move downwards, so that the limit stop rod 372 moves forwards, the left overturning assembly 33 or the right overturning assembly 34 is clamped, in addition, when the dead stop cylinder 371 moves downwards to the lowest position, the connecting point of the Z-shaped connecting rod 375 and the movable connecting rod 374 is translated to pass through a balance point (the connecting point is below the center line of the limit stop rod 372), at the moment, the dead stop cylinder 371 is out of air, after the air is out of air, the limit stop rod 372 cannot move under the condition that no external force is applied, and is always kept in an extending state, so that the left overturning assembly 33 moves leftwards and the right overturning assembly 34 is limited to move rightwards, the relative distance between the two groups is ensured to be inconvenient, and even if the left driving cylinder 35 and the right driving cylinder 36 are out of air, the product can be kept clamped.

In this embodiment, the left turning component 33 includes a left sliding seat 331 in transmission connection with the left driving cylinder 35, two sides of the front end of the left sliding seat 331 are respectively provided with a turning motor 332 and a left quick-change bottom plate 333, the left quick-change bottom plate 333 is rotatably disposed on the left sliding seat 331 and is in transmission connection with an output shaft of the turning motor 332, a left profiling clamping block 334 is connected on the left quick-change bottom plate 333, and a left stop block 335 matched with the connecting rod dead gear component 37 is disposed on the left sliding seat 331. The left sliding seat 331 is slidably disposed on the front side of the lifting seat 32 through the cooperation of a lateral sliding rail and a lateral sliding block, the turning motor 332 is configured to drive the left quick-change bottom plate 333 to rotate, so as to drive the left profiling clamping block 334 to rotate, the left profiling clamping block 334 can be quickly replaced through cooperation with the left quick-change bottom plate 333, thereby adapting to different types of products, and the left profiling clamping block 334 is configured to clamp the products; the left stop block 335 is arranged at the left end of the rear side of the lifting plate, and a clamping groove is formed in the left stop block 335 and matched with the corresponding limit stop rod 372, so that the limit stop rod 372 plays a limiting role when extending out.

In this embodiment, the right turnover assembly 34 includes a right sliding seat 341 in transmission connection with the right driving cylinder 36, two sides of the front end of the right sliding seat 341 are respectively provided with a rotary cylinder 342 and a right quick-change bottom plate 343, the right quick-change bottom plate 343 is rotatably disposed on the right sliding seat 341 and is in transmission connection with the rotary cylinder 342, a right profiling clamping block 344 is mounted on the right quick-change bottom plate 343, and a right stop block 345 matched with the connecting rod dead gear assembly 37 is disposed on the right sliding seat 341. The rotary cylinder 342 is used for performing angle adjustment on the right quick-change bottom plate 343, so as to adjust the right profiling clamping block 344 to cooperate with the left profiling clamping block 334 to clamp a product, after the product is clamped, the rotary cylinder 342 is disconnected, and the right profiling clamping block 344 is driven to rotate under the driving of the turning motor 332, so that a turning action can be realized, and noise of high-pressure air can be removed after the rotary cylinder 342 is disconnected, so that the detection effect is prevented from being influenced; the rest of the structure is similar to the left turning component 33, and the working principle is similar, and will not be described here.

In this embodiment, the left sliding seat 331 is provided with a plurality of left proximity sensors 336, the left profiling clamping block 334 is provided with a left identification piece 337, and the left identification piece 337 is provided with a left through hole matched with the left proximity sensors 336. The number of the left proximity sensors 336 is four, and the left recognition pieces 337 may be provided with the number of the left through holes according to the requirement, or may not be provided according to the requirement; by using the number of sensing signals of the four left proximity sensors 336 and the number of left through holes, a maximum of 15 product types can be identified, so that erroneous assembly can be prevented during assembly.

In this embodiment, the right sliding seat 341 is provided with a plurality of right proximity sensors 346, the right profiling clamping block 344 is provided with a right identification piece 347, and the right identification piece 347 is provided with a right through hole matched with the right proximity sensors 346. The number of the right proximity sensors 346 is four, and the right recognition piece 347 is provided with the number of the right through holes according to the requirement, or no through holes according to the requirement; by using the number of sensing signals of the four right proximity sensors 346 and the number of right through holes, 15 product types can be recognized at most, and thus, erroneous mounting prevention can be achieved.

In this embodiment, a product sensor 38 is disposed on the front side of the lifting base 32, and the product sensor 38 is located between the left driving cylinder 35 and the right driving cylinder 36 and cooperates with the left driving cylinder 35 and the right driving cylinder 36. The product sensor 38 is configured to sense a product to determine whether the left flip assembly 33 and the right flip assembly 34 are located on two sides of the product, so as to perform clamping action on information feedback, and achieve intelligent control.

In this embodiment, the Z-axis lifting assembly 31 includes a mounting riser, the lifting seat 32 is slidably disposed on the front side of the mounting riser through a lifting slide rail and a lifting slider, a lifting motor and a Z-axis screw rod connected with the lifting motor in a driving manner are disposed on the mounting riser, and a screw nut on the Z-axis screw rod is fixedly connected with the lifting seat 32. The Z-axis screw rod is driven to rotate by the lifting motor, so that the screw rod nut moves up and down, and then the lifting seat 32 is driven to lift, so that a product can be driven to move up and down, and the test requirement is met.

In this embodiment, there are two clamping and turning mechanisms 3, which are respectively disposed on the front and rear sides of the XY biaxial movement mechanism 2. Therefore, the detection work of two products can be synchronously carried out at one time, and the detection efficiency is improved.

The utility model has the following advantages:

1. through the use of the mechanism, the noise generated by the motion of the mechanism can be greatly reduced, and the possibility of misjudgment of software is reduced.

2. The mechanism can be compatible with a plurality of clamping tools, and can realize compatibility of various products;

3. the tool of the mechanism adopts fool-proof and signal identification design, avoids using wrong clamps in use, and improves the assembly accuracy;

4. the mechanism uses the connecting rod dead-stop mechanism, ensures that the product can still be in a clamping state after the gas is cut off, and eliminates the noise generated by the gas leakage of high-pressure gas;

5. when detecting whether a drop screw exists in the box body, the adopted movement mode is that the vertical and the overturning are carried out simultaneously, so that the movement range of the drop screw is enlarged;

6. the mechanism adopts a modularized design, so that the mechanism is convenient to detach and maintain;

7. the mechanism is integrally enlarged and reduced, so that the mechanism can be suitable for various products and has wide application range.

The utility model adopts simple mechanism design, and only the sound of motor operation and the sound of up-and-down movement of the screw rod in the process of motion detection are realized by using the opening and closing of the air circuit and the simple connecting rod mechanism, and the sound shield can be added on the motor, so that the noise generated during the motor operation is greatly reduced, and the air interruption and the air exhaust of all pneumatic mechanisms are carried out in the motor motion process, and the air source is also cut off, so that the sound source in the mute room is greatly reduced, and the sound generated by friction and the motor operation is greatly reduced under the conditions of up-and-down movement and overturn of the product, so that the collision sound generated in the box body is displayed, and the detection difficulty is greatly reduced.

While the embodiments of this utility model have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this utility model, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.

Claims

1. The utility model provides a low noise tilting mechanism, it includes mounting bracket (1) and sets up XY biax moving mechanism (2) on mounting bracket (1), its characterized in that: the automatic lifting device is characterized in that a clamping turnover mechanism (3) is arranged at the action end of the XY double-shaft moving mechanism (2), the clamping turnover mechanism (3) comprises a Z-shaft lifting assembly (31), a lifting seat (32) is arranged at the action end of the Z-shaft lifting assembly (31), a left turnover assembly (33) and a right turnover assembly (34) are relatively sliding on the front side of the lifting seat (32), a left driving cylinder (35) and a right driving cylinder (36) which are matched with the left turnover assembly (33) and the right turnover assembly (34) are arranged on the lifting seat (32), and connecting rod dead-stop assemblies (37) which are matched with the left turnover assembly (33) and the right turnover assembly (34) are respectively arranged at the two ends of the rear side of the lifting seat (32).

2. A low noise tilting mechanism according to claim 1 and wherein: the connecting rod is blocked subassembly (37) including blocking cylinder (371) and spacing pin (372), the below that blocks cylinder (371) is provided with fixed block (373), spacing pin (372) are in block cylinder (371) with between fixed block (373), spacing pin (372) the front end pass elevating seat (32) and with left side upset subassembly (33)/right side upset subassembly (34) cooperation, the rear end of spacing pin (372) articulates there is movable connecting rod (374), the output shaft that blocks cylinder (371) articulates there is Z word connecting rod (375), the middle part and the end of Z word connecting rod (375) respectively with movable connecting rod (374) with fixed block (373) are articulated.

3. A low noise tilting mechanism according to claim 1 and wherein: left side upset subassembly (33) include with left side drive left sliding seat (331) that cylinder (35) transmission is connected, the front end both sides of left sliding seat (331) are provided with upset motor (332) and left quick change bottom plate (333) respectively, left side quick change bottom plate (333) rotate set up on left sliding seat (331) and with the output shaft transmission of upset motor (332) is connected, be connected with left profile modeling grip block (334) on left quick change bottom plate (333), be provided with on left sliding seat (331) with connecting rod dies fender subassembly (37) matched with left dog (335).

4. A low noise tilting mechanism according to claim 1 and wherein: the right turnover assembly (34) comprises a right sliding seat (341) which is in transmission connection with the right driving cylinder (36), a rotary cylinder (342) and a right quick-change bottom plate (343) are respectively arranged on two sides of the front end of the right sliding seat (341), the right quick-change bottom plate (343) is rotatably arranged on the right sliding seat (341) and is in transmission connection with the rotary cylinder (342), a right profiling clamping block (344) is arranged on the right quick-change bottom plate (343), and a right stop block (345) matched with the connecting rod dead stop assembly (37) is arranged on the right sliding seat (341).

5. A low noise tilting mechanism according to claim 3 and wherein: the left sliding seat (331) is provided with a plurality of left proximity sensors (336), the left profiling clamping block (334) is provided with a left identification piece (337), and the left identification piece (337) is provided with a left through hole matched with the left proximity sensors (336).

6. The low noise tilting mechanism according to claim 4, wherein: the right sliding seat (341) is provided with a plurality of right proximity sensors (346), the right profiling clamping block (344) is provided with a right identification piece (347), and the right identification piece (347) is provided with a right through hole matched with the right proximity sensors (346).

7. A low noise tilting mechanism according to claim 1 and wherein: the front side of the lifting seat (32) is provided with a product sensor (38), and the product sensor (38) is positioned between the left driving cylinder (35) and the right driving cylinder (36) and is matched with the left driving cylinder (35) and the right driving cylinder (36).

8. A low noise tilting mechanism according to claim 1 and wherein: the Z-axis lifting assembly (31) comprises an installation riser, the lifting seat (32) is arranged on the front side of the installation riser in a sliding mode through a lifting sliding rail and a lifting sliding block, a lifting motor and a Z-axis screw rod in transmission connection with the lifting motor are arranged on the installation riser, and a screw rod nut on the Z-axis screw rod is fixedly connected with the lifting seat (32).

9. A low noise tilting mechanism according to claim 1 and wherein: the two clamping turnover mechanisms (3) are arranged at the front side and the rear side of the XY double-shaft moving mechanism (2) respectively.