CN213532289U

CN213532289U - Axle type part measures mounting fixture

Info

Publication number: CN213532289U
Application number: CN202022187346.0U
Authority: CN
Inventors: 徐爱文; 张和君; 王世良
Original assignee: Chotest Technology Inc
Current assignee: Chotest Technology Inc
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-25
Anticipated expiration: 2030-09-29
Also published as: WO2022068180A1

Abstract

The utility model provides a mounting fixture is measured to axle type part, including the anchor clamps bottom plate, the top mechanism of fixed centre and the top mechanism of elasticity that presss from both sides tight axle type part are installed respectively to the both sides of anchor clamps bottom plate, fixed centre mechanism includes fixed centre, the top mechanism of elasticity includes the anchor clamps slide, be equipped with the installation sleeve on the anchor clamps slide, install linear bearing in the hole of installation sleeve, linear bearing's downthehole slidable mounting has the slide bar, a tip connection of slide bar has the live centre, another end connection of slide bar has compression spring, compression spring installs installation in the hole of installation sleeve, compression spring quilt slide bar, installation sleeve press from both sides tightly. The utility model has the advantages that: the shaft parts can be clamped through the fixed center and the movable center, so that the shaft parts can be placed correctly, and the measurement of the shaft parts on the imager and the flash detector is more convenient and efficient.

Description

Axle type part measures mounting fixture

Technical Field

The utility model relates to an anchor clamps especially relate to an axle type part measures mounting fixture.

Background

In the field of image measurement, a flash measuring instrument and an imager are used as general measuring instruments, and two-dimensional size detection can be realized on various parts functionally. But because the shapes of the parts are different, different parts can not be placed on the instrument completely and directly and stably, and the parts which can be placed directly and stably can be measured directly. To can incline and unstable part after placing, if direct measurement, will introduce measuring error, make the measurement size inaccurate even, especially axle type part and the special-shaped shaft class part that some often detect can roll and incline when placing on the instrument and measuring, just extremely inconvenient to the measurement, when examining in batches, quality and efficiency all can reduce.

Therefore, how to provide a fixture for fixing shaft parts quickly and stably during part measurement is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an axle type part measures mounting fixture.

The utility model provides a shaft part measures mounting fixture, including the anchor clamps bottom plate, the top mechanism of fixed centre and the top mechanism of elasticity that press from both sides tight axle type part are installed respectively to the both sides of anchor clamps bottom plate, fixed centre mechanism includes fixed centre, the top mechanism of elasticity includes the anchor clamps slide, be equipped with the installation sleeve on the anchor clamps slide, install linear bearing in the hole of installation sleeve, linear bearing's downthehole slidable mounting has the slide bar, a tip connection of slide bar has the live centre, another end connection of slide bar has compression spring, compression spring installs the installation sleeve is downthehole, compression spring quilt slide bar, installation sleeve press from both sides tightly, fixed centre, the coaxial setting of live centre.

As a further improvement of the utility model, the fixed center and the movable center are conical.

As a further improvement of the present invention, the slide bar is connected to the movable center by a screw.

As a further improvement of the present invention, the clamp slide plate is connected to the clamp bottom plate through a linear guide.

As a further improvement, be equipped with the step piece on the anchor clamps bottom plate, the step piece is the tooth's socket structure, and the pitch between tooth and the tooth is a step, be equipped with the type of restoring to the throne knob plunger on the anchor clamps slide, when the location, the end of the type of restoring to the throne knob plunger inserts location in the tooth's socket structure of step piece, when not locating, mention the type of restoring to the throne knob plunger makes the end of the type of restoring to the throne knob plunger leaves the tooth's socket structure of step piece.

As a further improvement, the fixture bottom plate is provided with a top block, the upper portion of the top block is provided with a plunger, the top block is provided with an installation through hole, the fixing top is installed within the installation through hole, and the plunger radially fixes the top clamp tightly within the installation through hole.

The utility model has the advantages that: through above-mentioned scheme, the axle type part is pressed from both sides tightly to accessible fixed centre, live center, is favorable to realizing that all kinds of axle type parts are correctly put, finally makes the measurement of axle type part on imager and flash detector more convenient and high-efficient.

Drawings

Fig. 1 is the utility model discloses an axle type part measures mounting fixture's schematic diagram.

Fig. 2 is a front view of the fixing clamp for measuring shaft parts of the present invention.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Fig. 4 is a sectional view B-B of fig. 2.

Fig. 5 is a cross-sectional view C-C of fig. 2.

Detailed Description

The present invention will be further described with reference to the following description and embodiments.

As shown in fig. 1 to 5, a shaft part measuring and fixing clamp mainly comprises a compression spring 1, a reset knob plunger 2, a linear slide rail 3, a linear bearing 4, a plunger 5, an anti-skidding foot pad 7, a step block 8, a decorative plate 9, a decorative hole cover 10, a movable center 16, a positioning pin 17, a mounting sleeve 18, a slide rod 19, a fixed center 20, a clamp sliding plate 21, a center block 22 and a clamp bottom plate 23.

The fixture bottom plate 23 is used as a base plate of the whole fixture, all parts are used as a platform for installation and movement, four anti-skid foot pads 7 and four heightening columns can be installed below the fixture bottom plate 23, the four heightening columns are selected structural members in the fixture, and the heightening columns can be installed according to measurement requirements so as to increase the height of the fixture, so that the fixture can measure workpieces with larger diameters, and if the heightening columns are installed, the anti-skid foot pads 7 are required to be attached to the bottom surfaces of the heightening columns.

The left side of the clamp bottom plate 23 is fixed with a tip block 22 through a screw, a plunger 5 is arranged on the upper portion of the tip block 22, a through hole is formed in the tip block 22 and used for installing a fixed tip 20, the fixed tip 20 can be a 75-degree tip, a 90-degree tip and a 60-degree tip, the three types of tips can be interchanged during installation, different tips are selected to be installed in the clamp tip block according to the structure of a workpiece to be tested, radial pre-pressing is carried out through the plunger 5, and the tips cannot be easily loosened after installation.

The surface of the clamp bottom plate 23 is provided with two strip-shaped grooves, two positioning pins 17 can be respectively arranged on two end edges of the grooves and are respectively used for installing and fixing two linear guide rails 3, and the clamp sliding plate 21 is fixed on the linear guide rails 3 through screws.

The linear bearing 4 is arranged in a hole of the mounting sleeve 18, the sliding rod 19 is arranged in the hole of the linear bearing 4, one end of the sliding rod 19 is provided with a threaded hole and can be connected with different live centers 16, and the live centers 16 can be a tail 90-degree center, a tail 75-degree center and a tail 60-degree center.

When the slide rod 19 is installed in the linear bearing 4, the rear part of the slide rod 19 is pressed by the compression spring 1, and the decorative plate 9 is fixed at the rear part of the installation sleeve 18 so as to ensure that the compression spring 1 cannot be loosened out from the installation sleeve 18.

The mounting sleeve 18 is fixed on the clamp slide plate 21, the clamp slide plate 21 is provided with two decorative hole covers 10 to block exposed screws, and the clamp slide plate 21 is fixed with a reset type knob plunger 2. When a workpiece needs to be measured, matched proper center holes need to be selected according to the center hole structure of the workpiece, for example, a 90-degree center can only be matched with a 90-degree center of the tail, a 75-degree center can only be matched with a 75-degree center of the tail, and a 60-degree center can only be matched with a 60-degree center of the tail for combined use, and generally the proper center holes cannot be overlapped.

A step block 8 is arranged in a groove of the clamp bottom plate 23, the step block 8 is of a tooth groove structure, namely the step block 8 is in a rack shape, the pitch between teeth is one step, and one end of the reset knob plunger 2 can be positioned in the tooth groove of the step block 8.

The middle of the clamp bottom plate 23 is provided with a square hole which is a light hole. When a workpiece to be measured is installed by using the clamp, one end of the workpiece to be measured is inserted into the left center hole by using the left hand, then the workpiece is leveled, the reset knob plunger 2 is lifted by the right hand, the whole structural part arranged on the clamp sliding plate 21 moves leftwards according to the linear guide rail 3, so that the center on the right side is inserted into the right end of the workpiece to be measured, the reset knob plunger 2 is loosened after being properly pushed rightwards according to the size and the weight of the workpiece, the plunger is inserted into the tooth groove of the step pitch block 8, the right center is enabled to be fixedly pushed against the workpiece under the action of the compression spring 1, and the clamping of the workpiece to be measured is completed. When the workpiece is measured, the workpiece to be measured can be taken out from the clamp only by lifting the reset knob plunger 2 by hands.

The utility model provides a shaft part measuring and fixing clamp, which adopts a mature and simple linear slide rail 3 and a linear bearing 4 as key components during the centering of a left top and a right top, and can realize the high-precision clamping measurement of workpieces to be measured of different types by exchanging different tops; during clamping, the reset knob plunger 2, the step pitch block 8 with the tooth socket structure and the compression spring 1 are used for clamping a workpiece to be tested, so that the convenience in clamping is guaranteed, and the function achieved by the clamp is realized.

The utility model provides a pair of fixing clamp is measured to axle type part has following advantage:

1) the clamping is quick, the precision is high, and the cost is much lower than that of an instrument.

2) The modularized simple design, the manufacturing cost is not high, and the use is convenient.

3) Especially for the axis class part that unstable was placed to the level, this anchor clamps have stronger adaptability, when scintillation detector and imager carried out the part measurement to improve measurement of efficiency, guarantee measuring precision and stability, reduce measurement cost, make the measuring range of instrument broader simultaneously.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides an axle type part measures mounting fixture which characterized in that: the fixture comprises a fixture bottom plate, a fixed center mechanism and an elastic center mechanism for clamping shaft parts are respectively installed on two sides of the fixture bottom plate, the fixed center mechanism comprises a fixed center, the elastic center mechanism comprises a fixture sliding plate, a mounting sleeve is arranged on the fixture sliding plate, a linear bearing is installed in a hole of the mounting sleeve, a sliding rod is installed in a hole of the linear bearing in a sliding mode, a movable center is connected to one end of the sliding rod, a compression spring is connected to the other end of the sliding rod, the compression spring is installed in the hole of the mounting sleeve, the compression spring is clamped by the sliding rod and the mounting sleeve, and the fixed center and the movable center are coaxially arranged.

2. The shaft part measuring and fixing clamp as claimed in claim 1, wherein: the fixed center and the movable center are conical.

3. The shaft part measuring and fixing clamp as claimed in claim 1, wherein: the sliding rod is in threaded connection with the movable center.

4. The shaft part measuring and fixing clamp as claimed in claim 1, wherein: the clamp sliding plate is connected with the clamp bottom plate through a linear guide rail.

5. The shaft part measuring and fixing clamp as claimed in claim 1, wherein: be equipped with the step piece on the anchor clamps bottom plate, the step piece is the tooth's socket structure, and the pitch between tooth and the tooth is a step, be equipped with the knob plunger that resets on the anchor clamps slide, when the location, the end of the knob plunger that resets is inserted location in the tooth's socket structure of step piece, when not locating, mentions the knob plunger that resets, makes the end of the knob plunger that resets leaves the tooth's socket structure of step piece.

6. The shaft part measuring and fixing clamp as claimed in claim 1, wherein: the fixture bottom plate is provided with a center block, the upper part of the center block is provided with a plunger, the center block is provided with an installation through hole, the fixed center is installed in the installation through hole, and the plunger clamps the fixed center in the installation through hole along the radial direction.