CN219956484U

CN219956484U - Test fixture

Info

Publication number: CN219956484U
Application number: CN202320334668.4U
Authority: CN
Inventors: 黄伟; 李欢; 任瑶琼
Original assignee: Shenzhen Ruifanda Technology Co ltd
Current assignee: Shenzhen Ruifanda Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-11-03
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a test fixture in the technical field related to test fixtures, which comprises a lifting support platform and a support top frame, wherein the support top frame is fixedly arranged on a support base, the lifting support platform is arranged above the support base in parallel, a rotating motor is fixedly arranged on a top plate of the support top frame, a main shaft of the rotating motor is connected with a rotating sleeve through a key, a rotating frame is fixedly arranged on the outer side of the rotating sleeve, an electric telescopic rod is fixedly arranged on the inner side of the rotating frame, and a mounting plate is arranged at the end position of the electric telescopic rod. The testing jig provided by the utility model is mainly used for flange shaft parts, the rotating frame, the electric telescopic rod, the detection rod and the detection probe are utilized to linearly collect the shaft diameters, the accuracy of the testing result is high, the lifting support platform can drive the detected workpiece to move up and down, and further, the shaft diameters at different diameter positions are detected, and the device is simple in structure and practical.

Description

Test fixture

Technical Field

The utility model belongs to the technical field related to test jigs, and particularly relates to a test jig.

Background

The jig is a large tool for woodworking, ironmaking, bench workers, machinery, electric control and other handicraft articles, is mainly used as a tool for assisting in controlling positions or actions, has the advantages that if the jig is the same product, workers can rapidly produce a large number of good products with few flaws and low variability by means of the jig even if the jig is not of a very pure technology, in the machining process, the flange shaft parts need to detect the coaxiality, cylindricity, circular runout and other space dimensions of the products so as to ensure the machining quality of the products, the space dimension detection of the flange shaft parts is mostly carried out through three-coordinate detection at present, the three-coordinate detection is adopted, the influence of different positions of the adopted points on detection results is larger, the relative accuracy is lower, and the reference cannot be provided for the actual machining process.

The present utility model has been made in view of this.

Disclosure of Invention

The utility model aims to solve the technical problems and overcome the defects in the prior art, and provides a test fixture, which adopts the following basic conception in the technical scheme:

the utility model provides a test fixture, includes lift supporting platform and support roof-rack, support roof-rack fixed mounting is on supporting the base, supporting base top parallel arrangement has lift supporting platform, fixed mounting has the rotating electrical machines on the roof of support roof-rack, install rotatory cover through key connection on the main shaft of rotating electrical machines, rotatory cover outside fixed mounting has the swivel mount, the inboard fixed mounting of swivel mount has electric telescopic handle, electric telescopic handle's end position is provided with the mounting panel, the below of mounting panel is provided with the measuring staff, the end position of measuring staff installs test probe.

As a further scheme of the utility model: the lifting support platform comprises a lifting support base, wherein a lifting cylinder is fixedly installed on the support base right below the lifting support platform, the upper end of a cylinder rod of the lifting cylinder is fixedly connected with the lifting support platform through a lifting support seat, a lifting sliding seat is arranged below the lifting support seat, and the lifting cylinder is used for providing power support for lifting movement of the lifting support platform.

As still further aspects of the utility model: the lifting sliding seat is characterized in that lifting stabilizer bars are integrally arranged on two side edges of the lifting sliding seat, sliding blocks are arranged at end positions of the lifting stabilizer bars, lifting sliding columns are fixedly arranged on lifting support platforms on two side edges of the lifting air cylinders, lifting sliding grooves are formed in the lifting sliding columns, and the lifting sliding columns are used for enhancing the stability of lifting processes of the lifting support platforms.

As still further aspects of the utility model: the lifting support platform bottom surface with the corresponding position of lifting slide post is provided with the buffer tank, install the blotter in the buffer tank, the blotter selects the silicone rubber material for use, is used for right the lifting support platform descends to the lowest position and cushion.

As still further aspects of the utility model: the outside of supporting the roof-rack is provided with deep floor through welded fastening, deep floor is used for reinforcing supporting the stability of roof-rack structural strength and installation, the operation control box is installed to the top of deep floor.

As still further aspects of the utility model: the panel of the operation control box is embedded with a display screen, an operation key is arranged below the display screen, a power switch is arranged on one side below the operation key, and the operation control box is used for controlling the working process of the test fixture.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.

The testing jig provided by the utility model is mainly used for flange shaft parts, and can be used for linearly collecting the shaft diameters by utilizing the rotating frame, the electric telescopic rod, the detection rod and the detection probe, so that the accuracy of the testing result is high.

The lifting supporting platform can drive the detected workpiece to move up and down, so that the shaft diameters of different diameter positions can be detected, and the device is simple in structure and practical.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a schematic view of a first view structure according to the present utility model;

FIG. 2 is a schematic view of a second view angle structure according to the present utility model;

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

fig. 4 is a side view of the present utility model.

In the figure: 1-lifting a supporting platform; 2-lifting a sliding column; 3-lifting air cylinders; 4-supporting a base; 5-supporting a top frame; 6-a rotating electrical machine; 7-rotating a frame; 8-an electric telescopic rod; 9-mounting plates; 10-a detection rod; 11-detecting probes; 12-operating a control box; 13-a display screen; 14-operating a key; 15-a power switch; 16-reinforcing rib plates; 17-rotating sleeve; 18-lifting the supporting seat; 19-lifting sliding seat; 20-lifting stabilizer bars; 21-lifting sliding grooves; 22-sliding blocks; 23-buffer tanks; 24-cushion pad.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 4, a test fixture, including lift supporting platform 1 and supporting roof-rack 5, supporting roof-rack 5 fixed mounting is on supporting base 4, supporting base 4 top parallel arrangement has lift supporting platform 1, fixed mounting has rotating electrical machines 6 on the roof of supporting roof-rack 5, install swivel cap 17 through key connection on the main shaft of rotating electrical machines 6, swivel cap 17 outside fixed mounting has swivel mount 7, the inboard fixed mounting of swivel mount 7 has electric telescopic handle 8, electric telescopic handle 8's end position is provided with mounting panel 9, the below of mounting panel 9 is provided with measuring bar 10, measuring probe 11 is installed to measuring bar 10's end position, utilize swivel mount 7, electric telescopic handle 8, measuring bar 10 and measuring probe 11, can carry out the linear collection of axial diameter, the test result precision is high.

Wherein, fixed mounting has lift cylinder 3 on the support base 4 under the lift supporting platform 1, and lift cylinder 3's cylinder pole upper end passes through lift supporting seat 18 and lift supporting platform 1 fixed connection, and the below of lift supporting seat 18 is provided with lift sliding seat 19, and lift cylinder 3 is used for providing power support for the elevating movement of lift supporting platform 1.

The lifting slide seat 19 is provided with lifting stabilizer bars 20 in an integral way on two sides, sliding blocks 22 are arranged at the end positions of the lifting stabilizer bars 20, lifting slide columns 2 are fixedly installed on lifting support platforms 1 on two sides of lifting cylinders 3, lifting slide grooves 21 are formed in the lifting slide columns 2, and the lifting slide columns 2 are used for enhancing the stability of lifting processes of the lifting support platforms 1.

The bottom surface of the lifting support platform 1 and the position corresponding to the lifting slide column 2 are provided with buffer grooves 23, buffer pads 24 are arranged in the buffer grooves 23, and the buffer pads 24 are made of silicone rubber materials and are used for buffering when the lifting support platform 1 descends to the lowest position.

The outside of the supporting top frame 5 is fixedly provided with a reinforcing rib plate 16 through welding, the reinforcing rib plate 16 is used for enhancing the structural strength and the installation stability of the supporting top frame 5, and the operation control box 12 is arranged above the reinforcing rib plate 16.

The display screen 13 is embedded and installed on the panel of the operation control box 12, the operation key 14 is arranged below the display screen 13, the power switch 15 is arranged on one side below the operation key 14, and the operation control box 12 is used for controlling the working process of the test fixture.

The working principle of the utility model is as follows: when the device is used, the flange shaft part after processing is placed on the lifting support platform 1, the sinking groove is formed in the lifting support platform 1, the flange shaft is placed in the sinking groove, automatic centering is achieved, the electric telescopic rod 8 stretches, the detection probe 11 is in contact with the surface of a workpiece, the rotating motor 6 drives the rotating sleeve 17 and the rotating frame 7 to rotate, the detection probe 11 is in uniform contact with the outer diameter, detection and acquisition are carried out, when the next section of shaft diameter is required to be acquired, the electric telescopic rod 8 contracts, the lifting cylinder 3 works, the lifting support platform 1 moves upwards, the position to be detected is moved to the height of the detection probe 11, detection of different shaft diameters can be carried out, linear acquisition can be carried out on the shaft diameters by utilizing the rotating frame 7, the electric telescopic rod 8, the detection rod 10 and the detection probe 11, the accuracy of a test result is high, the space dimension such as coaxiality, cylindricity, circle run-out and the like can be met, and the processing quality of products is guaranteed.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.

Claims

1. The utility model provides a test fixture, includes lift supporting platform (1) and supporting roof-rack (5), a serial communication port, supporting roof-rack (5) fixed mounting is on supporting base (4), supporting base (4) top parallel arrangement have lift supporting platform (1), fixed mounting has rotating electrical machines (6) on the roof of supporting roof-rack (5), install swivel cap (17) through the key connection on the main shaft of rotating electrical machines (6), swivel cap (17) outside fixed mounting has swivel mount (7), the inboard fixed mounting of swivel mount (7) has electric telescopic handle (8), the end position of electric telescopic handle (8) is provided with mounting panel (9), the below of mounting panel (9) is provided with detection pole (10), detection probe (11) are installed to the end position of detection pole (10).

2. The test fixture according to claim 1, wherein a lifting cylinder (3) is fixedly mounted on the support base (4) right below the lifting support platform (1), the upper end of a cylinder rod of the lifting cylinder (3) is fixedly connected with the lifting support platform (1) through a lifting support seat (18), and a lifting sliding seat (19) is arranged below the lifting support seat (18).

3. The test fixture according to claim 2, wherein lifting stabilizer bars (20) are integrally arranged on two side edges of the lifting sliding seat (19), sliding blocks (22) are arranged at end positions of the lifting stabilizer bars (20), lifting sliding columns (2) are fixedly arranged on lifting supporting platforms (1) on two side edges of the lifting air cylinders (3), and lifting sliding grooves (21) are formed in the lifting sliding columns (2).

4. A test fixture according to claim 3, wherein a buffer groove (23) is provided at a position corresponding to the lifting slide column (2) on the bottom surface of the lifting support platform (1), a buffer pad (24) is installed in the buffer groove (23), and the buffer pad (24) is made of silicone rubber.

5. The testing jig according to claim 1, wherein a reinforcing rib plate (16) is fixedly arranged on the outer side of the supporting top frame (5) through welding, and an operation control box (12) is arranged above the reinforcing rib plate (16).

6. The testing jig according to claim 5, wherein a display screen (13) is embedded and installed on a panel of the operation control box (12), an operation key (14) is arranged below the display screen (13), and a power switch (15) is arranged on one side below the operation key (14).