CN216265474U

CN216265474U - Clamp for detecting geometric dimension and form and position tolerance of fastener

Info

Publication number: CN216265474U
Application number: CN202121451182.6U
Authority: CN
Inventors: 李艺; 刘荆宏; 王建宏
Original assignee: China Aviation Industry Standard Parts Manufacturing Co Ltd
Current assignee: China Aviation Industry Standard Parts Manufacturing Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-04-12
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a clamp for detecting the geometric dimension and form and position tolerance of a fastener, which is characterized in that; the anchor clamps body one end is passed through hexagon socket head cap screw fixed mounting in base one end, the anchor clamps body other end is placed on the base, insert the clamp splice respectively on controlling the anchor clamps body, anchor clamps body other end connecting core axle one end, the dabber middle part cover has the spring, the dabber other end connects the slip table, the dabber one end blocks the dabber other end, the dabber other end card goes into the support and inserts the round pin hub connection, the support mounting is on the base, the ejector pin other end is provided with the atress pole, another end of base has spacing screw through countersunk screw, twist spacing lead screw on the spacing screw, spacing lead screw one end supports the slip table, the slip table is installed at the base middle part. The utility model can quickly clamp mass fasteners of different types and the same type, realizes accurate positioning and is convenient for later detection and positioning.

Description

Clamp for detecting geometric dimension and form and position tolerance of fastener

Technical Field

The utility model belongs to the technical field of machinery, and particularly relates to a clamp for detecting the geometric dimension and form and position tolerance of a fastener.

Background

The fastener has the characteristics that the variety and the specification are various, most of the fasteners are cylinders, the minimum diameter can reach 2.5mm, and how to accurately clamp the fastener when detecting the size is a difficult problem all the time, the fastener detection equipment in the prior art has a complex structure and high price, and the clamp blocks, the specification and the type are single, so that the rapid clamping of different types of workpieces cannot be met, and the detection and the positioning are inconvenient.

Disclosure of Invention

The utility model aims to overcome the defects and provide the clamp for detecting the geometric dimension and form and position tolerance of the fastener, which can quickly clamp different types and the same type of large-scale fasteners, realize accurate positioning and facilitate later detection and positioning.

The purpose of the utility model and the main technical problem of solving the utility model are realized by adopting the following technical scheme:

the utility model discloses a clamp for detecting the geometric dimension and form and position tolerance of a fastener, which is characterized in that a clamping part is arranged on the clamp; the anchor clamps body one end is passed through hexagon socket head cap screw fixed mounting in base one end, the anchor clamps body other end is placed on the base, insert the clamp splice respectively on controlling the anchor clamps body, anchor clamps body other end connecting core axle one end, the dabber middle part cover has the spring, the dabber other end connects the slip table, the dabber one end blocks the dabber other end, the dabber other end card goes into the support and inserts the round pin hub connection, the support mounting is on the base, the ejector pin other end is provided with the atress pole, another end of base has spacing screw through countersunk screw, twist spacing lead screw on the spacing screw, spacing lead screw one end supports the slip table, the slip table is installed at the base middle part.

The fixture body has two, is provided with T shape groove respectively, and the fixture body other end can move about on the base.

The clamping blocks are two and are T-shaped respectively, and right-angle grooves are formed in the middle of the clamping blocks respectively.

The sliding table can slide on the base.

The ejector rod can rotate by taking the pin shaft as a center.

Four through holes are arranged on the base.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. According to the technical scheme, one end of the clamp body is fixedly installed at one end of the base through the inner hexagon screw, the other end of the clamp body is placed on the base, the left clamp body and the right clamp body are respectively inserted with the clamping block, the other end of the clamp body) is connected with one end of the mandrel), the middle of the mandrel) is sleeved with the spring), the other end of the mandrel) is connected with the sliding table, one end of the ejector rod clamps the other end of the mandrel, the other end of the ejector rod is clamped into the support and inserted into the pin shaft for connection, the support is installed on the base, the other end of the ejector rod is provided with the stressing rod, the other end of the base is provided with the limiting nut through the countersunk head screw, the limiting screw is screwed into the limiting screw, one end of the limiting screw abuts against the sliding table, and the sliding table is installed in the middle of the base. Four through-holes of accessible base utilize the fix with screw on check out test set's workstation, can keep flat, also can incline to stand and place the use, and the image method printing opacity of being convenient for detects. When the fastener is used, the clamping block can be replaced according to the size and the shape of the fastener to be detected, the clamping block can be freely taken out from the upper side, and the fastener is convenient and fast to use. After the clamping block is selected, the mandrel can be rotated to drive the spring, the clamping force is adjusted, so that the fastener cannot be displaced, when the fastener is replaced, the stressing rod can be directly pressed, the spring is used for providing clamping force, and the fastener can be fixed on the workbench; different clamping blocks can be designed according to different types, different types and shapes of fasteners which particularly need to be accurately positioned, and rapid clamping can be realized only by replacing the clamping blocks in the clamping process; aiming at the fasteners of the same type, under the condition of large batch, the fasteners can be quickly clamped and replaced, and the clamping time is saved. The specific operation is as follows: the clamping body can be separated by using small force by pressing the stress application rod, and the fastening piece can be clamped again by the clamping body under the action of the spring by loosening the stress application rod. The clamp body and the clamping block are free of clearance and can slide, and the corners of the clamping block can be chamfered during manufacturing. The slip between slip table and the base needs the slip table can freely remove. The dabber, the support, the ejector pin, the application of force pole, cooperation between the spring is used, through lever principle, utilizes the clamp force that the spring provided, realizes the anchor clamps body of light slip table and spring coupling. The clamping diameter which can be realized by the clamping block is controlled by controlling the screwing amount of the limiting screw rod under the action of the limiting screw nut, the limiting screw rod and the countersunk head screw. The quick clamping device has the advantages that large-batch fasteners of different types and the same type can be quickly clamped, accurate positioning is realized, and later-stage detection and positioning are facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view of FIG. 2A-A

FIG. 4 is a schematic structural view of a clamp body and a clamp block according to the present invention;

FIG. 5 is a schematic view of the structure of the clamping block of the present invention;

FIG. 6 is a schematic structural view of the clamp body of the present invention.

The labels in the figure are:

1. the base, 2, the anchor clamps body, 3, the clamp splice, 4, slip table, 5, dabber, 6, support, 7, ejector pin, 8, the power application pole, 9, spacing screw, 10, spacing lead screw, 11, socket head cap screw, 12, countersunk screw, 13, round pin axle, 14, spring.

Detailed Description

The utility model discloses a clamp for detecting the geometric dimension and form and position tolerance of a fastener, which is characterized in that a clamping part is arranged on the clamp; 2 one ends of the anchor clamps bodies are fixedly installed at one end of the base 1 through hexagon socket

head cap screws

11, 2 other ends of the anchor clamps bodies are placed on the base 1, the clamp blocks 3 are inserted into the left clamp bodies and the right clamp bodies 2 respectively, 2 other ends of the anchor clamps bodies are connected with one end of the mandrel 5, a spring 14 is sleeved at the middle part of the mandrel 5, the sliding table 4 is connected with the other end of the mandrel 5, the other end of the mandrel 5 is clamped at the other end of the ejector rod 7, the other end of the ejector rod 7 is clamped into the support 6 and is connected with the pin shaft 13, the support 6 is installed on the base 1, the other end of the ejector rod 7 is provided with a forcing rod 8, the other end of the base 1 is provided with a limiting screw 9 through a countersunk screw 12, a limiting screw rod 10 is screwed into the limiting screw rod 9, one end of the limiting screw rod 10 supports the sliding table 4, and the sliding table 4 is installed at the middle part of the base 1.

The two clamp bodies 2 are respectively provided with a T-shaped groove, and the other end of each clamp body 2 can move left and right on the base 1.

The clamping blocks 3 are two in number and are respectively T-shaped, and right-angle grooves are formed in the middle of each clamping block.

The sliding table 4 can slide on the base 1.

The top rod 7 can rotate by taking the pin shaft 13 as a center.

Four through holes are arranged on the base 1.

When the clamping device is used, the force applying rod 8 is pressed, the clamp body 2 can be separated by using small force, the force applying rod 8 is loosened, and the clamp body 2 can clamp the fastener again under the action of the spring 14. The clamp body 2 and the clamping block 3 are guaranteed to have no clearance and can slide, and the corners of the clamping block 3 can be chamfered during manufacturing. The sliding between the sliding table 4 and the base 1 requires the sliding table 4 to be able to move freely. The mandrel 5, the support 6, the ejector rod 7, the stress application rod 8 and the spring 14 are matched for use, and the clamp body 2 connected with the spring is easily slid by utilizing the clamping force provided by the spring through a lever principle. The clamping diameter of the clamping block can be controlled by controlling the screwing amount of the limiting screw rod 10 under the action of the limiting screw nut 9, the limiting screw rod 10 and the countersunk head screw 12.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the present invention without departing from the technical spirit of the present invention.

Claims

1. A clamp for detecting the geometric dimension and form and position tolerance of a fastener is characterized in that; one end of a clamp body (2) is fixedly arranged at one end of a base (1) through an inner hexagonal screw (11), the other end of the clamp body (2) is placed on the base (1), clamping blocks (3) are respectively inserted into a left clamp body and a right clamp body (2), the other end of the clamp body (2) is connected with one end of a mandrel (5), a spring (14) is sleeved in the middle of the mandrel (5), the other end of the mandrel (5) is connected with a sliding table (4), one end of a mandril (7) clamps the other end of the mandrel (5), the other end of the mandril (7) is clamped into a support (6) and connected with an insertion pin shaft (13), the support (6) is arranged on the base (1), the other end of the mandril (7) is provided with a forcing rod (8), the other end of the base (1) is provided with a limiting screw (9) through a countersunk screw (12), the limiting screw (10) is screwed into the limiting screw (9), one end of the limiting screw (10) is abutted against the sliding table (4), the sliding table (4) is arranged in the middle of the base (1).

2. The jig for checking geometric dimension and form and position tolerance of fasteners as claimed in claim 1, wherein: the two clamp bodies (2) are respectively provided with a T-shaped groove, and the other end of each clamp body (2) can move left and right on the base (1).

3. The jig for checking geometric dimension and form and position tolerance of fasteners as claimed in claim 1, wherein: the two clamping blocks (3) are respectively T-shaped, and the middle parts of the clamping blocks are respectively provided with a right-angle groove.

4. The jig for checking geometric dimension and form and position tolerance of fasteners as claimed in claim 1, wherein: the sliding table (4) can slide on the base (1).

5. The jig for checking geometric dimension and form and position tolerance of fasteners as claimed in claim 1, wherein: the ejector rod (7) can rotate by taking the pin shaft (13) as a center.

6. The jig for checking geometric dimension and form and position tolerance of fasteners as claimed in claim 1, wherein: four through holes are arranged on the base (1).