CN219810427U - Pin height detection device - Google Patents

Abstract

The utility model discloses a pin height detection device, which comprises a carrier, a workpiece arranged on the carrier, at least one pin riveted on the workpiece, and a height detection mechanism facing the carrier, wherein the workpiece is provided with a plurality of pins; the height detection mechanism comprises a height detection bracket erected on the platform, a driving assembly fixedly arranged on the height detection bracket, a downward-pressing limiting assembly fixedly arranged on the lower part of the driving assembly, and at least one height detection piece fixedly arranged on the downward-pressing limiting assembly; the lower end of the height detection piece is opposite to the pin of the workpiece. The pin height detection device provided by the utility model can automatically detect the height of the pin on the workpiece, timely feed back the detected height information to an external control mechanism, reduce the increase of subsequent defective products and further improve the production efficiency.

Description

Pin height detection device

Technical Field

The utility model relates to the technical field of precision machining, in particular to a pin height detection device.

Background

In industrial production, it is often necessary to use pins to fit the parts together. This way of assembling the pin usually requires a high precision to meet the production requirements of the precision machine, and if the pin is installed with a large error, the produced parts and the precision machine using the parts are prone to problems. In the conventional industrial production, a pin height on a workpiece is usually detected by manually visually inspecting the pin by a processor or by measuring the pin by a ruler. However, the detection mode is time-consuming and labor-consuming, manual measurement accuracy is low, defective products are easy to occur in subsequent workpiece processing, and the production yield is difficult to guarantee.

Disclosure of Invention

In view of the above-mentioned shortcomings, the present utility model aims to provide a pin height detection device, which can automatically detect the height of a pin on a workpiece, and timely feed back the detected height information to an external control mechanism, so as to reduce the increase of subsequent defective products and further improve the production efficiency.

The technical scheme adopted by the utility model for achieving the purpose is as follows:

a pin height detection device comprises a carrier, a workpiece arranged on the carrier, at least one pin riveted on the workpiece, and a height detection mechanism facing the carrier; the height detection mechanism comprises a height detection bracket erected on the platform, a driving assembly fixedly arranged on the height detection bracket, a downward-pressing limiting assembly fixedly arranged on the lower part of the driving assembly, and at least one height detection piece fixedly arranged on the downward-pressing limiting assembly; the lower end of the height detection piece is opposite to the pin of the workpiece.

Further, the driving assembly comprises a driving cylinder arranged on the height detection support, a first pushing member arranged on the driving cylinder, and a first transmission plate fixed on the first pushing member.

Further, the whole first pushing piece is T-shaped, and the upper part of the first transmission plate is provided with a pushing piece embedded groove matched with the first pushing piece.

Further, a guiding and limiting assembly is further arranged between the driving assembly and the height detection support, and the guiding and limiting assembly comprises a guide rail fixedly arranged on one end of the height detection support, which faces to the driving assembly, and a sliding block, one end of which is fixedly arranged on the first transmission plate, and the other end of which slides on the guide rail.

Further, the pressing limiting assembly comprises a first limiting piece fixed at the middle of the first transmission plate and penetrated by the middle of the height detection piece, and a second limiting piece arranged at the lower part of the first transmission plate and penetrated by the lower part of the height detection piece.

Further, two sides of the second limiting piece are respectively provided with a carrier limiting column.

Further, two sides of the carrier are provided with a carrier limiting hole matched with the carrier limiting column.

Further, a height limiting component 36 is respectively disposed at two sides of the height detecting bracket, and the height limiting component 36 includes a limiting fixing plate disposed on a side edge of the height detecting bracket and having a "l" shape overall, a limiting pressing plate fixedly disposed on a side edge of a middle portion of the first transmission plate, and a buffer member fixedly disposed on the limiting fixing plate and having an upper end opposite to the limiting pressing plate.

Further, the buffer member is an oil pressure buffer.

The beneficial effects of the utility model are as follows:

through setting up this device to including a carrier, install a work piece on the carrier, rivet at least one pin on the work piece, and just right in a height detection mechanism of carrier, the carrier is used for fixed work piece, height detection mechanism aims at the pin of work piece on the carrier carries out the height detection, feeds back to outside control mechanism after obtaining pin height data information, lets outside control mechanism in time analyze the data information that obtains, reminds the producer whether there is the defective products, and then reduces the increase of follow-up defective products, further improves the efficiency of production.

The height detection mechanism comprises a height detection bracket erected on a platform, a driving component fixedly arranged on the height detection bracket, a downward-pressing limiting component fixedly arranged on the lower part of the driving component, and at least one height detection piece fixedly arranged on the downward-pressing limiting component; the lower end of the height detection piece is opposite to the pin of the workpiece. The height detection support is used for supporting other components arranged on the height detection support and maintaining the normal operation of the device. When the pin height on the workpiece is required to be detected, the driving assembly is started to drive the height detection piece connected to the driving assembly to synchronously press the pin against the workpiece, the height detection piece detects and records the descending height of the height detection piece and feeds the descending height back to the external control mechanism, so that the external control mechanism timely analyzes the obtained data information to remind a producer of whether defective products exist or not, further, the increase of the subsequent defective products is reduced, and the production efficiency is further improved. Through drive assembly lower part sets up and pushes down spacing subassembly, works as when drive assembly drives the height detection spare and pushes down, the height detection spare run through in push down on the spacing subassembly to reach the purpose of limiting height detection spare stroke, further improve the efficiency of detection.

The foregoing is a summary of the utility model and is further defined by the following detailed description of the utility model when read in conjunction with the accompanying drawings.

Drawings

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

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

FIG. 3 is a schematic side view of the present utility model;

in the figure: 1. a carrier; 11. a carrier limiting hole; 2. a workpiece; 21. a pin; 3. a height detection mechanism; 31. a height detection bracket; 32. a drive assembly; 321. a driving cylinder; 322. a first pusher; 323. a first drive plate; 3231. the pushing piece is embedded into the groove; 33. pressing down the limiting component; 331. a first limiting member; 332. a second limiting piece; 333. a carrier limit column; 34. a height detecting member; 35. a guide limit assembly; 351. a guide rail; 352. a slide block; 36. a height limiting assembly; 361. a limit fixing plate; 362. limiting pressing plates; 363. and a buffer member.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description of the specific embodiments of the present utility model is given with reference to the accompanying drawings and preferred embodiments.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a 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.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a pin height detecting device, which includes a carrier 1, a workpiece 2 mounted on the carrier 1, at least one pin 21 riveted on the workpiece 2, and a height detecting mechanism 3 corresponding to the carrier 1; the height detecting mechanism 3 comprises a height detecting bracket 31 arranged on the platform, a driving component 32 fixedly arranged on the height detecting bracket 31, a pressing limiting component 33 fixedly arranged on the lower part of the driving component 32, and at least one height detecting piece 34 fixedly arranged on the pressing limiting component 33.

Through setting up this device to including a carrier 1, install a work piece 2 on carrier 1, rivet at least one pin 21 on work piece 2, and just to a height detection mechanism 3 of carrier 1, carrier 1 is used for fixed work piece 2, height detection mechanism 3 aligns the pin 21 of work piece 2 on carrier 1 carries out the height detection, feeds back to outside control mechanism after obtaining pin 21 height data information, lets outside control mechanism in time analyze the data information that obtains, reminds the producer whether there is the defective products, and then reduces the increase of follow-up defective products, further improves the efficiency of production.

The height detection mechanism 3 is arranged to comprise a height detection bracket 31 erected on a platform, a driving component 32 fixedly arranged on the height detection bracket 31, a downward-pressing limiting component 33 fixedly arranged on the lower part of the driving component 32, and at least one height detection piece 34 fixedly arranged on the downward-pressing limiting component 33; the lower end of the height detector 34 is facing the pin 21 of the workpiece 2. The height detection support 31 is used for supporting other components arranged on the height detection support, and maintains the normal operation of the device. When the height of the pin 21 on the workpiece 2 needs to be detected, the driving assembly 32 is started to drive the height detection piece 34 connected to the driving assembly to synchronously press down to the pin 21 propped against the workpiece 2, the height detection piece 34 detects and records the descending height of the driving assembly and feeds the descending height back to the external control mechanism, so that the external control mechanism timely analyzes the obtained data information to remind a producer whether defective products exist or not, further the increase of the subsequent defective products is reduced, and the production efficiency is further improved. Through set up the spacing subassembly 33 of pushing down in drive assembly 32 lower part, when drive assembly 32 drives the height detection spare 34 and pushes down, the height detection spare 34 run through in push down on the spacing subassembly 33 to reach the purpose of limiting the travel of height detection spare 34, further improve the efficiency of detection.

For the specific structural arrangement of the height detecting member 34, as shown in fig. 1 to 3, the height detecting member 34 is a high-precision contact type digital sensor of a kenji, the model of the height detecting member is GT2-PA12K, the height detecting member has high environmental resistance, dust resistance, water resistance and oil resistance, the service life of the device is effectively ensured due to a firm and durable structure, and the high precision of the device is effectively ensured due to a grating scale pulse system. The high-precision contact digital sensor is a disclosed prior art, and is a common technical means in the related field, so the control mode, the use mode, etc. of the high-precision contact digital sensor in this embodiment are not specifically described and limited. The height detecting member 34 is connected to an external control mechanism.

As shown in fig. 1 and 3, the driving assembly 32 includes a driving cylinder 321 disposed on the height detecting bracket 31, a first pushing member 322 disposed on the driving cylinder 321, and a first driving plate 323 fixed on the first pushing member 322. When the pin 21 on the workpiece 2 needs to be detected in height, the driving cylinder 321 is started, and the output shaft thereof extends downwards, so that the first pushing member 322 connected to the output shaft thereof and the first driving plate 323 fixed on the first pushing member 322 synchronously move downwards, and further, the pressing limiting assembly 33 fixed on the first driving plate 323 and the height detecting member 34 are driven to move downwards, thereby completing the detection step. Preferably, the first driving plate 323 is disposed in a direction perpendicular to the ground, so that other components have more fixing space, and other components are convenient to install correspondingly.

For the specific connection between the first pushing member 322 and the first driving plate 323, as shown in fig. 1, the first pushing member 322 is T-shaped as a whole, and an pushing member insertion groove 3231 matched with the first pushing member 322 is formed at the upper portion of the first driving plate 323. The first pushing member 322 is correspondingly inserted into the pushing member insertion groove 3231, thereby achieving stable connection between the first pushing member 322 and the first driving plate 323. Through setting the first propulsion piece 322 to the structure of T style of calligraphy, make first propulsion piece 322 in the in-process that is driven by drive cylinder 321 less follow the propulsion piece embedding groove 3231 internal displacement roll-off has improved first propulsion piece 322 with the cooperation degree between the first drive plate 323 has further improved the detection speed of this device.

In order to prevent the first driving plate 323 from shifting during the up-and-down movement driven by the driving cylinder 321, as shown in fig. 2 and 3, a guiding and limiting assembly 35 is further disposed between the driving assembly 32 and the height detecting bracket 31, and the guiding and limiting assembly 35 includes a guiding rail 351 fixedly disposed on an end of the height detecting bracket 31 facing the driving assembly 32, and a sliding block 352 having one end fixedly disposed on the first driving plate 323 and the other end sliding on the guiding rail 351. When the driving cylinder 321 drives the first driving plate 323 to move up and down, the sliding block 352 fixed on the first driving plate 323 is driven to slide up and down on the guide rail 351 synchronously, and the first driving plate 323 connected to the sliding block 352 is limited in stroke synchronously under the guiding action of the guide rail 351, so that the purpose of preventing the first driving plate 323 from shifting in the process of being driven by the driving cylinder 321 to move up and down is achieved.

As shown in fig. 1 and 3, the pressing limiting assembly 33 includes a first limiting member 331 fixed to the middle portion of the first driving plate 323 and penetrated by the middle portion of the height detecting member 34, and a second limiting member 332 disposed at the lower portion of the first driving plate 323 and penetrated by the lower portion of the height detecting member 34. The first limiting member 331 is used for fixing the middle position of the height detecting member 34, and the second limiting member 332 is used for fixing the lower portion of the height detecting member 34.

For the specific mode of detecting the height detecting member 34, as shown in fig. 2, at least one through detecting hole 3321 matching with the height detecting member 34 is provided in the middle of the second limiting member 332, the lower portion of the height detecting member 34 penetrates into the upper portion of the through detecting hole 3321, when the lower portion of the height detecting member follows the driving cylinder 32 to press down, the pin 21 on the workpiece 2 enters into the through detecting hole 3321, so as to be pressed against by the lower end of the height detecting member 34, the height detecting member 34 detects and records the self-descending height and feeds back to the external control mechanism, so that the external control mechanism timely analyzes the obtained data information to remind a producer whether the product has defective products, further reduce the increase of the subsequent defective products, and further improve the production efficiency.

In order to prevent the carrier 1 from being displaced during the operation of the height detecting mechanism 3, as shown in fig. 1, two sides of the second limiting member 332 are respectively provided with a carrier limiting post 333. Two sides of the carrier 1 are provided with a carrier limiting hole 11 matched with the carrier limiting column 333. When the driving cylinder 321 drives the first driving plate 323 connected to the driving cylinder and the second limiting member 332 connected to the first driving plate 323 to press down, the carrier limiting posts 333 on two sides of the second limiting member 332 first enter the carrier limiting holes 11 on two sides of the carrier 1, so as to stabilize the carrier 1, effectively prevent the carrier 1 from shifting during the operation of the height detection mechanism 3, and improve the detection accuracy of the device.

In order to prevent the damage to the pin 21 caused by the excessive pressing down of the height detecting member 34 by the driving cylinder 321, as shown in fig. 1 and 3, a height limiting assembly 36 is disposed on each side of the height detecting bracket 31, and the height limiting assembly 36 includes a limiting fixing plate 361 disposed on the side of the height detecting bracket 31 and having a "shape" as a whole, a limiting pressing plate 362 fixedly disposed on the middle side of the first driving plate 323, and a buffer member 363 fixedly disposed on the limiting fixing plate 361 and having an upper end opposite to the limiting pressing plate 362. When the driving cylinder 321 drives the first driving plate 323 and the height detecting member 34 disposed on the first driving plate 323 to press down, the limiting pressing plate 362 on the first driving plate 323 moves downward synchronously until the limiting pressing plate 362 presses against the buffer member 363, and is slowly decelerated by the buffer member 363 to limit the pressing height, thereby effectively preventing the condition that the pin 21 is damaged due to excessive pressing of the height detecting member 34 by the driving cylinder 321.

Preferably, the buffer 363 is a hydraulic buffer. The hydraulic buffer is of Adand brand, the model is ACA-1210, the hydraulic buffer is of a medium carbon steel appearance, has hardness which is harder than that of common aluminum alloy, has strong impact resistance, is not easy to deform, has higher corrosion resistance and wear resistance, and is more beneficial to buffering downward impact force of the height detection piece 34 driven by the driving cylinder 321, thereby preventing the condition that the pin 21 is damaged due to excessive downward pressing of the height detection piece 34 driven by the driving cylinder 321.

It should be noted that the pin height detection device disclosed in the present utility model is an improvement on a specific structure, and is not an innovation point of the present utility model for a specific control manner. The cylinders, guide rails, sliding blocks and other components involved in the utility model can be general standard components or components known to the person skilled in the art, and the structure, principle and control mode of the components are all known to the person skilled in the art through technical manuals or are known through routine experimental methods.

The foregoing is merely a preferred embodiment of the present utility model, and the technical scope of the present utility model is not limited to the above embodiments, so that other structures using the same or similar technical features as those of the above embodiments of the present utility model are all within the scope of the present utility model.

Claims (9)

1. The utility model provides a pin height detection device which characterized in that: comprises a carrier, a workpiece arranged on the carrier, at least one pin riveted on the workpiece, and a height detection mechanism facing the carrier; the height detection mechanism comprises a height detection bracket erected on the platform, a driving assembly fixedly arranged on the height detection bracket, a downward-pressing limiting assembly fixedly arranged on the lower part of the driving assembly, and at least one height detection piece fixedly arranged on the downward-pressing limiting assembly; the lower end of the height detection piece is opposite to the pin of the workpiece.

2. The pin height detection apparatus according to claim 1, wherein: the driving assembly comprises a driving air cylinder arranged on the height detection support, a first pushing member arranged on the driving air cylinder, and a first transmission plate fixed on the first pushing member.

3. The pin height detection apparatus according to claim 2, wherein: the first pushing piece is integrally T-shaped, and the upper part of the first transmission plate is provided with a pushing piece embedded groove matched with the first pushing piece.

4. The pin height detection apparatus according to claim 2, wherein: still be provided with a direction spacing subassembly between drive assembly and the high detection support, direction spacing subassembly including fixed set up in high detection support orientation a guide rail on the drive assembly one end, one end fixed set up in the other end on the first drive plate slide in a slider on the guide rail.

5. The pin height detection apparatus according to claim 2, wherein: the pressing limiting assembly comprises a first limiting piece and a second limiting piece, wherein the first limiting piece is fixed at the middle of the first transmission plate and penetrated by the middle of the height detection piece, and the second limiting piece is arranged at the lower part of the first transmission plate and penetrated by the lower part of the height detection piece.

6. The pin height detecting device according to claim 5, wherein: and two sides of the second limiting piece are respectively provided with a carrier limiting column.

7. The pin height detecting device according to claim 6, wherein: and two sides of the carrier are provided with a carrier limiting hole matched with the carrier limiting column.

8. The pin height detection apparatus according to claim 2, wherein: the height detection support comprises a height detection support body, wherein the height detection support body is arranged on the side edge of the height detection support body, and the height detection support body is characterized in that two sides of the height detection support body are respectively provided with a height limiting assembly, the height limiting assembly comprises a limiting fixing plate which is arranged on the side edge of the height detection support body and is integrally L-shaped, a limiting pressing plate which is fixedly arranged on the side edge of the middle part of the first transmission plate, and a buffer piece which is fixedly arranged on the limiting fixing plate and the upper end of the buffer piece is right against the limiting pressing plate.

9. The pin height detecting device according to claim 8, wherein: the buffer piece is an oil pressure buffer.