CN218984402U

CN218984402U - Cylinder test piece fixing device suitable for terminal surface grinds flat-bed machine

Info

Publication number: CN218984402U
Application number: CN202223232445.1U
Authority: CN
Inventors: 胡坤; 姚直书; 朱宏伟; 张辉; 郑定康; 束思源; 王瑞
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2022-12-04
Filing date: 2022-12-04
Publication date: 2023-05-09
Anticipated expiration: 2032-12-04

Abstract

The utility model discloses a cylinder test piece fixing device suitable for an end face grinding machine, wherein the axial length of a cylinder body is 130mm, the inner diameter is 54mm, the side face is provided with cutting treatment which does not exceed the thickness of the cylinder wall along the axial direction, each limiting hole is respectively formed at the position of the cylinder body, which is 50mm and 100mm away from the cylinder opening, and penetrates through the upper part of the cylinder body, an observation opening is formed at the middle position of the side edge of the cylinder body, the length is 120mm, the side part of the cylinder body penetrates through the side part of the cylinder body in the axial direction, the distance from the front end to the cylinder opening is 5mm, the distance from the tail end to the cylinder opening is 125mm, a graduated scale is carved at the cutting treatment position of the side face of the cylinder body, the graduated scale is marked below the observation opening, the graduated scale mark is in centimeters from the front end, namely the position which is 5mm away from the cylinder opening to the position which is 120mm away from the cylinder opening, and the graduated scale unit is 1mm.

Description

Cylinder test piece fixing device suitable for terminal surface grinds flat-bed machine

Technical Field

The utility model relates to the field of machining, in particular to a cylinder test piece fixing device suitable for an end face grinding machine.

Background

In developing concrete or rock mechanics tests such as uniaxial and triaxial compression, it is often necessary to perform the test on a machined cylindrical test piece. Whether the end face of the test piece of the cylinder is strictly horizontal and smooth or not is related to the accuracy degree of the test result. In the manufacturing process of a cylindrical test piece, a core machine is usually used for obtaining a cylindrical core sample from a sample parent in a laboratory, then a cutting machine is used for cutting two ends of the sample parent, and finally an end face grinding machine is used for grinding the end face of the test piece. The relevant specifications often use cylindrical samples of 50mm and 100mm length for the relevant tests, and sometimes other lengths of cylindrical test pieces may be required for the tests depending on the actual requirements. The test piece fixing device of the conventional end face grinding machine only can simply play a role in fixing, and the control of the size of the test piece after grinding also requires marking the test piece in advance before grinding, and then grinding the test piece to the corresponding position. The polishing mode can not well control polishing precision, and the tedious degree of the whole operation process is increased.

Therefore, it is necessary to provide a cylinder test piece fixing device which can be used for accurately processing a cylinder test piece with the length of 50mm and 100mm meeting the requirements of related specifications, can be used for processing a cylinder test piece with an unconventional length according to actual requirements, and can effectively reduce complicated steps in the prior end face grinding operation and is suitable for an end face grinding machine.

Disclosure of Invention

The utility model aims to solve one of the technical problems in the prior art and provides a cylinder test piece fixing device suitable for an end face grinding machine.

In order to solve the technical problems, the utility model provides the following technical scheme: the cylinder test piece fixing device suitable for the end surface grinding machine is characterized in that: the device comprises a cylinder, a limiting insert piece, a threaded distance adjusting assembly, a fixed base and a test piece fixing screw; the cylinder body comprises a limiting hole, an observation port and a graduated scale; the threaded distance adjusting assembly comprises a limiting disc, a distance adjusting screw rod and a hand-operated wheel.

The utility model discloses a barrel, including barrel, spacing hole, scale, barrel axial length is 130mm, and the inside diameter is 54mm, and the side has along the excision processing that is not more than barrel wall thickness of axial, spacing hole has two, is located barrel axial distance nozzle 50mm and 100mm department respectively, and runs through barrel upper portion, the viewing aperture is located barrel side intermediate position, and length is 120mm, and runs through barrel lateral part in axial direction, and its front end is 5mm apart from the nozzle distance, and the tail end is 125mm apart from the nozzle distance, the scale is located barrel side excision processing position, and the scale mark is in viewing aperture below, and the scale mark is from its front end promptly 5mm department to 120mm department from the nozzle, and the scale unit is the centimetre, and measurement accuracy is 1mm.

The limiting insert is matched with the limiting hole in size, the length of the test piece with the end face being ground can be inserted into the corresponding limiting hole according to the requirement, if the test piece with the length of 50mm is to be ground, the limiting insert is directly inserted into the limiting hole at the position of 50mm, the axial length of the test piece penetrating into the cylinder body can be restrained to be 50mm, the subsequent grinding operation can be performed, the test piece with the length of 100mm is ground, and the like.

The screw thread formula roll adjustment subassembly is through being located the opening of barrel afterbody and its combination to the position of spacing dish in the barrel is adjusted in the rotation of accessible hand wheel, if want to polish non-50 mm or 100 mm's test piece, pulls out spacing inserted sheet earlier, makes it do not influence the removal of spacing dish in the barrel, then rotates hand wheel, makes spacing dish remove in the barrel, and masters its actual position through viewing aperture and scale, can insert the test piece and carry out follow-up polishing operation after reaching required position.

The fixed base has two, and is connected with the barrel lower part through the welding, and has four trompils on every base be convenient for fix whole device on the board of terminal surface mill through the bolt.

The test piece fixing screws are respectively connected to the cylinder body through symmetrical openings on two oblique sides of the cylinder body, and the distance of the test piece fixing screws penetrating into the cylinder body can be changed through rotation, so that the position of the cylindrical test piece inserted into the cylinder body is propped.

The utility model has the beneficial effects that: the method can accurately process the cylindrical test piece with the length of 50mm and 100mm meeting the requirements of related specifications, can process the cylindrical test piece with the unconventional length according to actual requirements, and can effectively reduce complicated steps in the prior end face grinding operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is an overall block diagram of a cylinder test piece fixing device suitable for an end mill.

Fig. 2 is a vertical sectional view of a cylinder test piece fixing device suitable for an end mill.

Fig. 3 is a transverse cross-sectional view of a cylinder test piece fixing device suitable for use in an end mill.

Fig. 4 is an independent view of a threaded pitch adjustment assembly for a cylindrical test piece fixture for an end mill.

In the figure: 1-a cylinder; 101-limiting holes; 102-a viewing port; 103-a graduated scale; 2-limiting inserting pieces; 3-a threaded distance adjusting component; 301-limiting discs; 302-a distance adjusting screw; 303-hand shaking wheels; 4-fixing a base; 5-test piece fixing screws.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, 2 and 3, when a cylindrical test piece with the length of 50mm or 100mm which is commonly used needs to be polished, the position of the threaded distance adjusting component is firstly adjusted so as not to influence the insertion of the limiting inserting piece, then the limiting inserting piece is inserted into a corresponding limiting hole according to the requirement, then the cylindrical test piece which needs to be polished is inserted into the cylinder body, the test piece fixing screw is adjusted so that the test piece is fixed in the cylinder body, and then the subsequent polishing operation is carried out.

Example 2

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, when polishing unconventional cylinder test pieces of other lengths according to actual demands, firstly pull out the spacing inserted sheet, make it not influence the removal of screw thread formula pitch adjustment subassembly in the barrel, then rotate hand wheel, adjust the position of spacing dish in the barrel, and observe its position through viewing aperture and scale, can insert the cylinder test piece that needs to polish after reaching required position, adjust test piece set screw, make the test piece fix in the barrel, follow-up polishing operation can be carried out next.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. Cylinder test piece fixing device suitable for terminal surface mill, including barrel (1), its characterized in that: the axial length of the barrel body (1) is 130mm, the inner diameter is 54mm, the side face is provided with cutting treatment which does not exceed the thickness of the barrel wall along the axial direction, limiting holes (101) are respectively formed in the positions of 50mm and 100mm away from the barrel opening in the axial direction of the barrel body (1), the limiting holes penetrate through the upper portion of the barrel body (1), an observation opening (102) is formed in the middle position of the side edge of the barrel body (1), the length of the limiting holes is 120mm, the side portion of the limiting holes penetrates through the side portion of the barrel body (1), the distance from the front end to the barrel opening is 5mm, the distance from the tail end to the barrel opening is 125mm, a graduated scale (103) is carved in the position of the cutting treatment of the side face of the barrel body (1), the graduated scale marks are arranged below the observation opening (102), the graduated scale marks are arranged in centimeters from the position of 5mm away from the barrel opening, and the graduated scale marks are 1mm in length.

2. A cylinder test piece fixing device for an end mill according to claim 1, wherein: the limiting hole (101) is provided with a limiting insert (2) matched with the limiting hole (101) in size, the length of the limiting insert is larger than the diameter of the cylinder, and the length of a test piece with the end face being ground can be inserted into the corresponding limiting hole (101) according to the requirement.

3. A cylinder test piece fixing device for an end mill according to claim 1, wherein: the cylinder body (1) is combined with the threaded distance adjusting component (3) through an opening at the tail part.

4. A cylinder test piece fixing device for an end mill according to claim 3, wherein: the threaded distance adjusting assembly (3) comprises a limiting disc (301), a distance adjusting screw (302) and a hand-operated wheel (303), and the position of the limiting disc (301) in the cylinder body (1) can be adjusted through rotation of the hand-operated wheel (303).

5. A cylinder test piece fixing device for an end mill according to claim 1, wherein: the lower part of the cylinder body (1) is connected with a fixed base (4) through welding, and each base is provided with four holes which are convenient for fixing the whole device on a machine table of an end face grinding machine through bolts.

6. A cylinder test piece fixing device for an end mill according to claim 1, wherein: the cylinder body (1) is provided with test piece fixing screws (5) through two symmetrical openings on the oblique sides, and the distance of the test piece fixing screws penetrating into the cylinder body (1) can be changed through rotation, so that the position of a cylindrical test piece inserted into the cylinder body (1) is propped and fixed.