CN220145733U

CN220145733U - Workpiece detection clamp

Info

Publication number: CN220145733U
Application number: CN202321408819.2U
Authority: CN
Inventors: 钱月根
Original assignee: Suzhou Taohuayuan Machinery Co ltd
Current assignee: Suzhou Taohuayuan Machinery Co ltd
Priority date: 2022-11-16
Filing date: 2023-06-05
Publication date: 2023-12-08
Anticipated expiration: 2033-06-05

Abstract

The utility model provides a workpiece detection clamp, which comprises a substrate, a plurality of limiting blocks and pins, wherein the limiting blocks are arranged on the substrate in two groups, and each group of limiting blocks comprises: two first limiting blocks which are relatively parallel in the first direction, wherein a first preset interval is arranged between the two limiting blocks in the first direction; two rows of second limiting blocks which are relatively parallel in the second direction, wherein a second preset distance is reserved between the two rows of second limiting blocks in the second direction; and a detection position for accommodating a workpiece is formed between the first limiting block and the second limiting block of each group, and the pin column can pass through and/or prop against a part to be detected of the workpiece in the detection position after passing through the through hole of the second limiting block along the second direction. The workpiece detection clamp disclosed by the utility model is simple in structure and low in detection cost, and can be used for simultaneously detecting multiple form and position tolerances of a workpiece, so that the detection efficiency is improved.

Description

Workpiece detection clamp

Technical Field

The utility model belongs to the technical field of workpiece detection, and particularly relates to a workpiece detection clamp.

Background

Robots are machine devices that automatically perform work. The system can not only accept human command, but also run a pre-programmed program, and can also act according to the principle formulated by artificial intelligence technology. The task is to assist or replace human work such as the industry, construction and transportation industries, etc.

Currently, the concept of robots has tended to be widespread, such as manipulators, machining heads, etc. used in the production industry can be considered as robots. In the field of machining and production of robots, it is generally necessary to disassemble each structural component of the robot, perform machining and production and inspection, and perform assembly of the robot after the inspection is passed.

In the qualification degree inspection process, the result can be directly observed by naked eyes or detection is carried out by using a detection tool, the problem of form and position tolerance is related to when the detection tool is used for detection, the existing form and position tolerance detection can relate to multiple aspects such as shaft diameter, aperture, length, thickness, angle, roundness, position accuracy and the like, the detection is generally carried out separately, and the detection tool is related to the multiple detection tools, so that the detection efficiency is low and the detection cost is high.

Disclosure of Invention

In view of the problems in the prior art, the main object of the present utility model is to provide a workpiece detection fixture, which has a simple structure and low detection cost, and can simultaneously detect multiple form and position tolerances of a workpiece, thereby improving detection efficiency.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a workpiece detection fixture, which comprises a substrate, a plurality of limiting blocks and pins, wherein,

the limiting blocks are arranged on the substrate in two groups, and each group of limiting blocks comprises:

two first limiting blocks which are relatively parallel in the first direction, wherein a first preset interval is arranged between the two limiting blocks in the first direction;

two rows of second limiting blocks which are relatively parallel in the second direction, wherein a second preset distance is reserved between the two rows of second limiting blocks in the second direction;

and a detection position for accommodating a workpiece is formed between the first limiting block and the second limiting block of each group, and the pin column can pass through and/or prop against a part to be detected of the workpiece in the detection position after passing through the through hole of the second limiting block along the second direction.

As a further description of the above technical solution, the pin has a first section and a second section, the diameter of the first section is larger than the aperture of the through hole of the second stopper, and the diameter of the second section is smaller than the aperture of the through hole of the second stopper.

As a further description of the above technical solution, a coil spring is further connected to an end surface of the first section facing the second section, and the coil spring is sleeved on the second section;

the inner diameter of the spiral spring is larger than the aperture of the through hole of the second limiting block.

As further description of the technical scheme, a limiting rod is further arranged on one side, away from the detection position, of the second limiting block.

As a further description of the above technical solution, the first stopper and the second stopper are further provided with a receiving hole for receiving the pin, and the aperture of the receiving hole is larger than the outer diameter of the coil spring and smaller than the diameter of the first section.

By the technical scheme, the utility model has the outstanding effects that:

the workpiece detection clamp provided by the utility model only comprises a substrate, and limiting blocks and pins which are arranged on the substrate, so that the size and the shape of a workpiece can be detected, the structure is simple, and the detection cost is low, wherein the limiting blocks are arranged in two groups, and each group of limiting blocks comprises: the two first limiting blocks are oppositely arranged in parallel in the first direction, the two rows of second limiting blocks are oppositely arranged in parallel in the second direction, a first preset interval is formed between the two first limiting blocks in the second direction, a second preset interval is formed between the two rows of second limiting blocks in the first direction, the second preset interval and the first preset interval form a detection position together, a workpiece can be directly placed into the detection position by a detection personnel, the detection personnel can pass through a through hole of the second limiting block along the first direction through a pin column, then pass through a part to be detected of the workpiece and/or are propped against the part to be detected of the workpiece, the position and the shape of the part to be detected of the workpiece after the size is qualified are indicated, the shape and position tolerance are met, therefore, a good product can be rapidly detected without using various detection tools, the operation is convenient, and the detection efficiency is high.

Drawings

FIG. 1 is a schematic view of a work piece inspection jig according to the present utility model;

fig. 2 is an enlarged view of a in fig. 1.

Reference numerals illustrate:

1. a substrate; 2. a pin; 31. a first limiting block; 32. a second limiting block; 321. a through hole; 4. a workpiece; 41. a sheet; 42. a bending piece; 5. a coil spring; 6. a limit rod; 7. and a storage hole.

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 noted that the directions or positional relationships indicated by the terms "upper", "middle", "lower", "inner", "outer", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in terms of its overall structure.

Referring to fig. 1 to 2, the utility model discloses a workpiece inspection jig, which comprises a substrate 1, a plurality of limiting blocks and pins 2, wherein,

the limiting blocks are arranged on the substrate 1 in two groups, and each group of limiting blocks comprises:

two first limiting blocks 31 relatively parallel in the first direction, wherein a first preset interval is arranged between the two limiting blocks in the first direction;

two rows of second limiting blocks 32 relatively parallel in the second direction, wherein a second preset distance is reserved between the two rows of second limiting blocks 32 in the second direction;

the first limiting block 31 and the second limiting block 32 of each group together form a detection position for accommodating the workpiece 4, and the pin 2 can pass through and/or abut against a part to be detected of the workpiece 4 in the detection position after passing through the through hole 321 of the second limiting block 32 along the second direction.

In the above arrangement, the substrate 1 is used as a support, and only a plurality of stoppers and pins 2 are mounted thereon to detect the size and shape of the workpiece 4, which has a simple structure and low detection cost, wherein the stoppers are arranged in two groups, each group of stoppers includes a first stopper 31 and a second stopper 32, two first stoppers 31 are relatively parallel arranged in a first direction, two second stoppers 32 are relatively parallel arranged in a second direction, two first stoppers 31 have a first preset distance in the first direction, two second stoppers 32 have a second preset distance in the second direction, thereby forming a detection position between each group of first stoppers 31 and second stoppers 32 together to accommodate the workpiece 4, and a person of the detection product can directly place the workpiece 4 into the detection position, if the pin 2 passes through the through hole 321 of the second limiting block 32 along the second direction and then passes through the portion to be tested of the workpiece 4 and/or abuts against the portion to be tested of the workpiece 4, the position and the shape of the portion to be tested of the workpiece 4 after the size is qualified are indicated to be qualified, the form and position tolerance of good products are satisfied, if a person to be tested directly places the workpiece 4 into the detection position, after passing through the through hole 321 of the second limiting block 32 along the second direction, the pin 2 cannot pass through the portion to be tested of the workpiece 4 and/or abuts against the portion to be tested of the workpiece 4 again, the position and the shape of the portion to be tested of the workpiece 4 after the size is qualified are indicated to be unqualified, and the portion to be tested of good products are defective products, therefore, the good products can be quickly detected without using various detection tools, and the operation is convenient, and the detection efficiency is high.

Referring to fig. 1, in particular, in this embodiment, the main body of the workpiece 4 is formed by two transverse beams transversely arranged between two vertical frames, the upper end surface of the vertical frames is further provided with 4 sheets 41 each having two holes and two bending members 42, the horizontal portions of the bending members 42 are flush with the upper end surface of the vertical frames, and the holes of the sheets 41 and the side walls of the bending portions of the bending members 42 are the portions to be tested of the workpiece 4.

Specifically, in this embodiment, the substrate 1 is divided into a first plate body and a second plate body, which are both rectangular, and a set of limiting blocks are respectively disposed on the first plate body and the second plate body. Of course, in other embodiments, the base plate 1 may also be in a plate shape for mounting the limiting block.

Specifically, in this embodiment, the length direction of the first plate body and the second plate body is defined as a first direction, the width direction of the first plate body and the second plate body is defined as a second direction, and the first limiting blocks 31 are respectively disposed at two ends of the length direction of the first plate body and the second plate body in parallel, and have a certain distance in the length direction of the first plate body, where the distance is set according to the length of the vertical frame of the workpiece 4. The number of the second limiting blocks 32 in each group is 5, and the two limiting blocks are arranged in two parallel rows along the width direction of the first plate body and the second plate body, wherein one row is 2 second limiting blocks 32, and the other row is 3 second limiting blocks 32. The second spacing between the corresponding two columns may be set according to the width of the vertical frame. Therefore, the interval spaces between the first limiting block 31 and the second limiting block 32 of the two groups jointly form an integral detection position for placing the workpiece 4. The distance between the two groups can be set according to the length of the beam, and preferably, in this embodiment, the substrate 1 is set to be two independent plates, so that the adaptability of the detection fixture is stronger.

Specifically, in this embodiment, the pin 2 has a first section and a second section, the diameter of the first section is greater than that of the second section, the diameter of the second section is smaller than that of the through hole 321 of the second limiting block 32, after the inspection staff puts the workpiece 4 into the inspection position, the pin 2 passes through the second limiting block 32 again, so that the second section continues to move forward, if the second section can stretch into the two holes on the 4 sheets 41 in a one-to-one correspondence manner, the connection positions of the 4 sheets 41 are qualified, and the two pins 2 corresponding to the two bending pieces 42 are arranged, after the inspection staff passes through the second limiting block 32 and continues to push forward, the side wall of the second section can be attached to the side wall of the bending part of the bending piece 42, so that the connection positions of the bending piece 42 and the sheet 41 are qualified, and the inspected workpiece 4 is qualified.

Referring to fig. 1 and 2, in this embodiment, a coil spring 5 is further connected to the end face of the first section of the pin 2 facing the second section, the coil spring 5 is sleeved on the second section, the inner diameter of the coil spring 5 is larger than the aperture of the through hole 321 of the second pin 32, a stop lever 6 is further disposed on one side of the second stop block 32 facing away from the detection position, after the workpiece 4 is placed in the detection position, the pin 2 passes through the second stop block 32 one by one, and then the second section of the pin penetrates into the hole of the sheet 41, and because the thrust of the pin is large, the coil spring 5 is continuously compressed after abutting against the outer wall of the second stop block 32, and when the pin 2 is released by the pin 2, the pin 2 is reset under the action of the coil spring 5, the through hole 321 of the second stop block 32 is determined by the thickness of the second stop block 32, and the pin 2 is not released from the second end face of the pin 2, and the pin 2 is not reset by the second stop lever, and the pin 2 is still enabled to fall off the end face of the pin 2. Similarly, when the inspection staff uses the pin 2 to locate the bending portion of the bending piece 42, the pin 2 also rebounds, the end face of the first section deviating from the second section can abut against the corresponding limit rod 6, and the pin 2 cannot fall.

Specifically, in this embodiment, the first limiting block 31 and the second limiting block 32 are further provided with a storage hole 7 for storing the pin 2, and the aperture of the storage hole is larger than the outer diameter of the coil spring 5, so that the pin 2 can be stored therein when the workpiece detection fixture is in a storage state, which is convenient for management and prevents loss. The receiving hole 7 has a smaller diameter than the first section, and the pin 2 is easily extracted when the work detecting jig is used again.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any changes, equivalents, modifications and improvements may be made without departing from the spirit and principles of the present utility model.

Claims

1. A workpiece detection clamp is characterized by comprising a base plate, a plurality of limiting blocks and pin posts, wherein,

2. The workpiece inspection jig of claim 1 wherein the pin has a first section and a second section, the first section having a diameter greater than the aperture of the through bore of the second stopper and the second section having a diameter less than the aperture of the through bore of the second stopper.

3. The workpiece detection clamp as claimed in claim 2 wherein a coil spring is further connected to an end surface of the first section facing the second section, and the coil spring is sleeved on the second section;

4. The workpiece detection clamp as claimed in claim 3 wherein a stop lever is further provided on a side of the second stop block facing away from the detection position.

5. The workpiece detection clamp as claimed in claim 3 wherein said first and second stoppers are further provided with receiving holes for receiving said pins, said receiving holes having a diameter larger than an outer diameter of said coil spring and smaller than a diameter of said first section.