CN213813079U - Auxiliary tool for metallographic sample preparation - Google Patents

Abstract

The utility model discloses a metallography system appearance is with auxiliary fixtures relates to metallography system appearance technical field, including portable frame, mounting bracket, uide bushing, spring telescopic machanism and sample fixture, the mounting bracket sets up at portable frame top, and the uide bushing is fixed to be set up on the mounting bracket, and spring telescopic machanism sets up on the mounting bracket and can slide from top to bottom in the uide bushing, and sample fixture sets up in portable frame top, and sample fixture can dismantle to be connected in the spring telescopic machanism bottom, and sample fixture is used for the fixed sample of centre gripping, the utility model has the advantages of can replace manual operation, reduce the amount of manual work, and improved the quality of grinding appearance in grinding the appearance process.

Description

Auxiliary tool for metallographic sample preparation

Technical Field

The utility model relates to a metallography system appearance technical field, concretely relates to metallography system appearance is with auxiliary fixtures.

Background

The purpose of metallographic sampling is to show the true structure of the sample, which may be metal, ceramic, cemented carbide or other solid material. The sample preparation process can be divided into a plurality of working procedures, each working procedure needs to be accurately operated to ensure that a satisfactory result is obtained, and the metallographic sample preparation process is mainly divided into four steps of cutting and sampling, embedding a sample, mechanically preparing the sample, inspecting the sample and the like.

At present, metallographic sample preparation mainly depends on manual sample grinding, polishing, rough grinding, fine grinding, rough polishing and fine polishing, one metallographic sample grinding needs 25-30 minutes to be completed completely, a small number of metallographic sample grinding materials can be completed quickly by manual grinding, however, a large number of metallographic sample grinding tests are heavy in metallographic sample grinding, the workload is large, long time is needed, long-time sample grinding can cause strain and stiffness of finger joints of sample grinding personnel, occupational hazards are brought by daily accumulation and monthly accumulation, occupational diseases are formed, the condition of eccentric grinding is easy to occur through manual sample grinding, and the quality of the sample grinding is poor.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a metallography system auxiliary fixtures for appearance to reach and replace manual operation, reduce the manual work load, and improve the effect of grinding the appearance quality in grinding the appearance process.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a metallography is auxiliary fixtures for system appearance, includes portable frame, mounting bracket, uide bushing, spring telescopic machanism and sample fixture, and the mounting bracket setting is at portable frame top, and the uide bushing is fixed to be set up on the mounting bracket, and spring telescopic machanism sets up on the mounting bracket and can slide from top to bottom in the uide bushing, and sample fixture sets up in portable frame top, and sample fixture can dismantle to be connected in spring telescopic machanism bottom, and sample fixture is used for the fixed sample of centre gripping.

Preferably, spring telescopic machanism includes can dismantle the optical axis of being connected with sample fixture, and the optical axis activity passes the uide bushing, and the cover is equipped with the compression spring that is located between uide bushing top and the optical axis top on the optical axis, and mounting bracket top threaded connection has the jackscrew screw rod, jackscrew screw rod bottom and optical axis top contact.

Preferably, the optical axis includes the threaded rod, and the threaded rod activity passes the uide bushing, and threaded rod and sample fixture threaded connection, threaded rod top are connected with the pole head.

Preferably, the guide sleeve comprises a shaft sleeve matched with the threaded rod, the top of the shaft sleeve is connected with a pressing sheet, and the compression spring is positioned between the pressing sheet and the rod head.

Preferably, the jackscrew is in threaded connection with a fastening nut, and the fastening nut is fixed on the top of the mounting frame.

Preferably, the sample clamping mechanism comprises a clamping cover in threaded connection with the screw, a plurality of fixing screws are in threaded connection with the side end of the clamping cover, and the fixing screws are used for fixing the sample.

Preferably, the mounting bracket is including fixing the support frame at portable frame top, and from the top down has set gradually first crossbearer, second crossbearer and third crossbearer on the support frame, and jackscrew screw threaded connection is on first crossbearer, and fastening nut supports tightly at first crossbearer top, and the uide bushing setting is between second crossbearer and third crossbearer, and sample fixture is located the third crossbearer below.

Preferably, the movable carriage comprises a frame, and four self-locking casters are arranged at the bottom of the frame.

The beneficial effects of the utility model are embodied in:

1. the utility model discloses a fix the sample on sample fixture, and push away the sample through portable frame and grind the appearance station, spring telescopic machanism can drive sample fixture and move down, thereby conveniently make the sample and grind the abrasive paper laminating on the model machine, will grind the appearance process and hand over by the frock and accomplish, consequently this in-process need not manual operation, the labour has both been liberated, the artificial circumstances of grinding partially easily has been avoided again, the quality of grinding has been guaranteed, it shifts up to drive sample fixture to grind the appearance end back spring telescopic machanism, can conveniently take out the sample, whole flow staff only is responsible for the sample clamping, the completion condition of every grinding the appearance process of inspection can, occupational hazard has been reduced, occupational disease formation risk has been reduced, the practicality is high.

2. Can down push up the optical axis through screw in jackscrew screw rod, make sample fixture move down, when unscrewing the jackscrew rod, can drive the automatic up pop-up of optical axis under the compression spring effect to drive sample fixture and shift up, structural design is ingenious, and convenient operation is swift.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of an auxiliary tool for metallographic sample preparation provided by the present invention;

FIG. 2 is a schematic structural view of the mounting bracket and the connecting accessories thereof;

FIG. 3 is a schematic view of the inner structure of the middle guide sleeve of the present invention;

fig. 4 is a schematic structural view of the middle optical axis of the present invention;

fig. 5 is a schematic diagram of the internal structure of the middle sample clamping mechanism of the present invention.

Reference numerals:

1-movable vehicle frame, 1.1-frame, 1.2-self-locking caster, 2-mounting frame, 2.1-support frame, 2.2-first cross frame, 2.3-second cross frame, 2.4-third cross frame, 3-guide sleeve, 3.1-shaft sleeve, 3.2-pressing sheet, 4-spring telescopic mechanism, 4.1-optical axis, 4.1.1-threaded rod, 4.1.2-rod head, 4.2-compression spring, 4.3-jackscrew rod, 5-sample clamping mechanism, 5.1-clamping cover, 5.2-fixing screw and 6-fastening nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-5, this embodiment provides an auxiliary fixtures is used in metallography system appearance, including portable frame 1, mounting bracket 2, uide bushing 3, spring telescopic mechanism 4 and sample fixture 5, mounting bracket 2 sets up at portable frame 1 top, uide bushing 3 is fixed to be set up on mounting bracket 2, spring telescopic mechanism 4 sets up on mounting bracket 2 and can slide from top to bottom in uide bushing 3, sample fixture 5 sets up in portable frame 1 top, sample fixture 5 can dismantle the connection in spring telescopic mechanism 4 bottom, sample fixture 5 is used for the fixed sample of centre gripping, here spring telescopic mechanism 4 can drive sample fixture 5 and reciprocate simultaneously when reciprocating, be used for placing and taking out of sample.

During operation, a sample is fixed through the sample clamping mechanism 5, the sample clamping mechanism 5 is connected to the bottom of the spring telescoping mechanism 4, the sample is pushed to a sample grinding station through the movable frame 1, the spring telescoping mechanism 4 can drive the sample clamping mechanism 5 to move downwards, so that the sample can be conveniently attached to abrasive paper on a sample grinding machine (not shown in the figure), the sample grinding process is finished by a tool, therefore, manual operation is not needed in the process, labor force is saved, the condition that the sample is easily ground by a person is avoided, the sample grinding quality is ensured, the spring telescoping mechanism 4 drives the sample clamping mechanism 5 to move upwards after the sample grinding is finished, the sample can be conveniently taken out after the sample clamping mechanism 5 is taken down, workers in the whole process only take charge of sample clamping and checking the finishing condition of each sample grinding process, occupational hazards are reduced, and occupational disease forming risks are reduced, the practicability is high.

The utility model can make full use of the existing materials, can be manufactured at low cost to replace a manual simple auxiliary tool, and mainly liberates the hands of sample grinding personnel, thereby avoiding the injury to finger joints caused by long-term gripping and vibration and reducing the occupational disease occurrence risk; meanwhile, as the half-time rest is not needed, the sample grinding efficiency is improved to 10-15 minutes/piece from the original 25-30 minutes/piece, and the efficiency is improved by more than 50 percent; meanwhile, the condition that the grinding is easy to deviate due to manual work is avoided because of the clamping of the tool, the surface of the sample after grinding and polishing is smoother, the number of sand marks is less, and the microscopic thickness between a metallographic phase and a coating layer can be observed more conveniently.

Specifically, spring telescopic machanism 4 includes can dismantle the optical axis 4.1 of being connected with sample fixture 5, and the uide bushing 3 is passed in the activity of optical axis 4.1, and the cover is equipped with the compression spring 4.2 that is located between 3 tops of uide bushing and the optical axis 4.1 top on the optical axis 4.1, and 2 top threaded connection of mounting bracket have jackscrew screw 4.3, jackscrew 4.3 bottom and the contact of optical axis 4.1 top.

When the spring telescopic mechanism 4 is operated, the optical axis 4.1 can be pushed downwards through the screw-in jackscrew rod 4.3, the optical axis 4.1 slides downwards along the guide sleeve 3, the guide sleeve 3 plays a role in guiding the optical axis 4.1, the deviation is avoided, and the optical axis 4.1 drives the sample clamping mechanism 5 to move downwards integrally, so that a sample is attached to the abrasive paper. When a sample needs to be taken out, the jackscrew 4.3 is screwed out upwards, and the optical axis 4.1 can be driven to automatically pop up under the action of the compression spring 4.2, so that the sample clamping mechanism 5 is driven to move upwards, the sampling is convenient, the structural design is ingenious, and the operation is convenient and fast.

Specifically, optical axis 4.1 includes threaded rod 4.1.1, and the uide bushing 3 is passed in the activity of threaded rod 4.1.1, threaded rod 4.1.1 and sample fixture 5 threaded connection, and threaded rod 4.1.1 top is connected with the pole head 4.1.2. The guide sleeve 3 comprises a shaft sleeve 3.1 matched with the threaded rod 4.1.1, the top of the shaft sleeve 3.1 is connected with a pressing sheet 3.2, and the compression spring 4.2 is positioned between the pressing sheet 3.2 and the rod head 4.1.2.

It should be noted that, here, the threaded rod 4.1.1 can slide up and down in the sleeve 3.1, the width of the rod head 4.1.2 should be larger than the diameter of the threaded rod 4.1.1, and the width of the pressing plate 3.2 should also be larger than the diameter of the sleeve 3.1, so as to ensure that the compression spring 4.2 can be tightly pressed between the pressing plate 3.2 and the rod head 4.1.2.

Specifically, threaded connection has fastening nut 6 on jackscrew screw 4.3, and fastening nut 6 is fixed at mounting bracket 2 top, and fastening nut 6 can weld at mounting bracket 2 top here, improves the screw thread self-locking ability to jackscrew screw 4.3.

Specifically, sample fixture 5 includes the centre gripping cover 5.1 with screw rod threaded connection, and the threaded connection of centre gripping cover 5.1 side has a plurality of set screw 5.2, and set screw 5.2 fixed sample puts the sample in centre gripping cover 5.1 during the fixing, and the screw in set screw 5.2 presss from both sides the sample tight fixed can.

Specifically, mounting bracket 2 is including fixing support frame 2.1 at portable frame 1 top, and from the top down has set gradually first crossbearer 2.2, second crossbearer 2.3 and third crossbearer 2.4 on support frame 2.1, jackscrew screw 4.3 threaded connection on first crossbearer 2.2, and fastening nut 6 supports tightly at first crossbearer 2.2 top, and uide bushing 3 sets up between second crossbearer 2.3 and third crossbearer 2.4, and sample fixture 5 is located third crossbearer 2.4 below.

It should be noted that, here, axle sleeve 3.1 bottom of uide bushing 3 can weld on third crossbearer 2.4, preforming 3.2 is located second crossbearer 2.3 top, the structure is firm stable, there is a certain interval here between sample fixture 5 and third crossbearer 2.4, this interval is the upper and lower home range of sample fixture 5, third crossbearer 2.4 plays limiting displacement to sample fixture 5 again simultaneously, structural design is ingenious, satisfy the operation requirement.

Specifically, portable frame 1 includes frame 1.1, and frame 1.1 bottom is provided with four auto-lock truckles 1.2, conveniently removes whole frock.

The working principle is as follows: the embedded sample or the aluminum sample which is not embedded is placed into a clamping cover 5.1, a plurality of fixing screws 5.2 on the wall of the clamping cover are screwed tightly to fix the sample, then the clamping cover 5.1 is connected with the lower end of an optical axis 4.1 in a threaded manner and screwed tightly, the fixed sample on the movable frame 1 is pushed to the upper part of a sample grinding machine, a jack screw 4.3 above the optical axis 4.1 is rotated to jack downwards until the surface of the sample is attached to abrasive paper on the sample grinding machine, and a power switch of the sample grinding machine is started to grind the sample. After coarse grinding is finished, screwing a jackscrew bolt upwards, allowing the optical axis 4.1 and a clamping cover 5.1 at the bottom of the optical axis 4.1 to bounce under the action of a compression spring 4.2, pushing the movable frame 1 towards a fine grinding sample grinder, and repeating jacking operation until a sample is attached to fine grinding abrasive paper for fine grinding; after the fine grinding is finished, the operation of lifting the optical axis 4.1 is repeated, and then the movable frame 1 is pushed to the rough polishing machine. Spraying a polishing agent with the size of 5-15 mu m uniformly on the polishing canvas, repeating the pushing operation to attach the sample to the polishing canvas of the rough polishing machine for rough polishing, and intermittently rotating the optical axis for 4.1 during polishing to ensure that the polishing surface is uniformly polished and the whole surface of the sand mark is polished. During the polishing process, a proper amount of clear water can be sprayed on the canvas, and if the canvas is normal and the jacking is proper, the rough polishing effect can be achieved within 4-6 minutes. After rough polishing is finished, the operation of lifting the optical axis for 4.1 is repeated, then the movable frame 1 is pushed to the upper part of the fine polishing machine, polishing agents with the size of 1-2.5 mu m are sprayed on the polishing flannelette, the operation of pushing down is repeated to enable the sample to be attached to the polishing flannelette of the fine polishing machine for fine polishing, the optical axis is rotated for 4.1 in a clearance mode, the fine polishing surface is polished uniformly, a proper amount of clear water is sprayed in the polishing process, and the mirror surface effect can be achieved within 2-3 minutes.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (8)

1. The utility model provides a metallography is auxiliary fixtures for system appearance which characterized in that includes:

a movable frame;

the mounting rack is arranged at the top of the movable frame;

the guide sleeve is fixedly arranged on the mounting rack;

the spring telescopic mechanism is arranged on the mounting frame and can slide up and down in the guide sleeve;

the sample clamping mechanism is arranged above the movable frame, the sample clamping mechanism is detachably connected to the bottom of the spring telescopic mechanism, and the sample clamping mechanism is used for clamping a fixed sample.

2. The auxiliary tool for metallographic sample preparation according to claim 1, wherein the spring telescoping mechanism comprises an optical axis detachably connected with the sample clamping mechanism, the optical axis movably penetrates through the guide sleeve, a compression spring located between the top of the guide sleeve and the top of the optical axis is sleeved on the optical axis, a jackscrew is in threaded connection with the top of the mounting frame, and the bottom of the jackscrew is in contact with the top of the optical axis.

3. The auxiliary tool for metallographic specimen preparation according to claim 2, wherein the optical axis comprises a threaded rod, the threaded rod movably penetrates through the guide sleeve, the threaded rod is in threaded connection with the sample clamping mechanism, and the top of the threaded rod is connected with a rod head.

4. The auxiliary tool for metallographic specimen preparation according to claim 3, wherein the guide sleeve comprises a shaft sleeve matched with the threaded rod, a pressing plate is connected to the top of the shaft sleeve, and the compression spring is located between the pressing plate and the rod head.

5. The auxiliary tool for metallographic specimen preparation according to claim 2, wherein a fastening nut is in threaded connection with the jackscrew, and the fastening nut is fixed to the top of the mounting frame.

6. The auxiliary tool for metallographic specimen preparation according to claim 3, wherein the sample clamping mechanism comprises a clamping cover in threaded connection with a threaded rod, a plurality of fixing screws are in threaded connection with the side end of the clamping cover, and the fixing screws fix the sample.

7. The auxiliary tool for metallographic sample preparation according to claim 5, wherein the mounting frame comprises a support frame fixed to the top of the movable frame, a first cross frame, a second cross frame and a third cross frame are sequentially arranged on the support frame from top to bottom, the jackscrew is in threaded connection with the first cross frame, the fastening nut abuts against the top of the first cross frame, the guide sleeve is arranged between the second cross frame and the third cross frame, and the sample clamping mechanism is located below the third cross frame.

8. The auxiliary tool for metallographic sample preparation according to any one of claims 1 to 7, wherein the movable frame comprises a frame, and four self-locking casters are arranged at the bottom of the frame.

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