CN216117000U

CN216117000U - Metallographic specimen clamping tool

Info

Publication number: CN216117000U
Application number: CN202122397946.4U
Authority: CN
Inventors: 王晟; 王勇华; 李宁; 韩璐; 董文辉; 昝敏杰; 宋志堃; 杨川; 郭银祥
Original assignee: China Building Materials Inspection And Certification Group Beijing Testing Technology Service Co ltd
Current assignee: China Building Materials Inspection And Certification Group Beijing Testing Technology Service Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-22
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to a metallographic specimen clamping tool which comprises a clamping seat, a clamping assembly and an air bag, wherein the clamping seat is provided with an air passage, the air bag is arranged at the upper part of the clamping seat, the clamping assembly is detachably fixed at the lower part of the clamping seat, the air bag and the clamping assembly are respectively connected with the air passage, and the air passage exhales or inhales through extruding or loosening the air bag, so that a workpiece is released or absorbed by the clamping assembly. The air bag is squeezed or loosened to enable the air passage to exhale or inhale air so as to release or absorb the workpiece by the clamping assembly, so that the sheet test piece can be clamped, the clamped test piece is aligned to the grinding machine by holding the handle by hands, the sample grinding of the test piece is realized, and the problems that the conventional sheet test piece is difficult to clamp, the grinding surface is uneven due to clamping by hands, the hand is easy to fall off, the fingers are scratched and the like are solved.

Description

Metallographic specimen clamping tool

Technical Field

The utility model relates to the technical field of metallographic specimen clamping, in particular to a metallographic specimen clamping tool.

Background

Metallographic processing refers to the processing of a sample to obtain a specific sample morphology for microscopic observation studies. The quality of the processing quality of the metallographic sample directly influences the accuracy of the analysis result under the microscope. The sand metallography's preparation size is little and thin, and general test piece can be fixed and hand mill on the slide. The manual grinding is difficult to control the level of the ground surface of the sample, and the glass slide has the risk of falling off the hand in the sample grinding process, so that the finger is easily cut, and the operator is injured. If the test piece is taken off the hand and enters the lower part of the grinding machine, the grinding machine needs to be disassembled, so that the test piece is difficult to take out.

Because the automatic control level of the automatic sheet grinding machine is uneven, the acceptance is not high, and the price is greatly different from that of a manual sheet grinding machine, the manual sheet grinding machine is mainly used at present, but the clamp special for the sandstone metallographic specimen is few, most of the clamps have simple structures, and the slide glass and the small and thin sandstone specimen are difficult to clamp. It has therefore become necessary to develop tools suitable for specimen clamping in response to the demands.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems mentioned in the background technology, the utility model provides a metallographic specimen clamping tool which comprises a clamping seat, a clamping assembly and an air bag, wherein the clamping seat is provided with an air passage, the air bag is arranged at the upper part of the clamping seat, the clamping assembly is detachably fixed at the lower part of the clamping seat, the air bag and the clamping assembly are respectively connected with the air passage, and the air passage exhales or inhales through extruding or loosening the air bag, so that the clamping assembly releases or absorbs a workpiece.

Preferably, the air flue includes respiratory opening, branch mouth, respiratory opening locates the upper portion of grip slipper, branch mouth equidistance distributes in the lower part of grip slipper, respiratory opening passes through the bleeder and is connected with branch mouth.

In any of the above schemes, preferably, the airbag is provided with a joint, the joint is connected with the breathing port, and a sealing ring is arranged between the joint and the breathing port.

In any of the above aspects, preferably, a support bracket is provided on the lower outer periphery of the airbag, and the support bracket is provided on the holder.

Preferably in any one of the above schemes, the clamping assembly includes a clamping block, the upper portion of the clamping block is provided with a plurality of air holes, the air holes correspond to the branch ports one to one, the lower portion of the clamping block is provided with a clamping groove connected with the air holes, a plurality of suckers are arranged in the clamping groove, each sucker is inserted into the air hole, and the sucker air passage connected with the air holes and communicated with the sucker is arranged on the sucker.

In any of the above schemes, preferably, the lower part of the clamping seat is provided with a groove, and the clamping block is installed in the groove through the clamping and fixing component.

In any of the above schemes, preferably, the clamping and fixing component includes a supporting block and a spring, the supporting block is provided with a pushing block, the clamping seat is provided with a chute, the supporting block is arranged in the chute, the spring is arranged between the supporting block and the inner wall of the chute, and the clamping block is provided with a slot matched with the supporting block.

In any one of the above embodiments, preferably, the holder is provided with a handle, and a surface of the handle is a rough frosted surface.

Compared with the prior art, the utility model has the advantages and beneficial effects that:

1. make the air flue exhale or breathe in through the extrusion or loosen the gasbag, in order to realize the release or the absorption of centre gripping subassembly to the work piece, thereby can realize the centre gripping to the thin slice test piece, and aim at the mill with the test piece of centre gripping through holding the handle, the realization is to the mill appearance of test piece, solve present to have the centre gripping difficulty to the thin slice test piece, the polished surface that the centre gripping of people's hand led to is uneven, easily take off the hand and scotch finger scheduling problem, the feedback of various power when can effectively conducting manual operation, "feel" of effectively reducing manual operation emphasis, reduce the mechanical injury risk by a wide margin when improving processingquality.

2. The handle surface is established to unsmooth frosting, and the frictional force of handle is held in the increase, can avoid leading to the phenomenon that the frock is taken off the hand because of the rotation of mill when grinding the appearance.

3. The clamping assembly is detachably fixed on the lower portion of the clamping seat, the clamping grooves in the clamping blocks are matched with the size of a test piece to be clamped, and the clamping blocks in the clamping grooves with different sizes are replaced to clamp the test pieces with different sizes.

The clamping tool is simple and practical, is convenient to operate, can be effectively used for clamping a sheet metallographic specimen, reduces the operating risk of operators, is quick in specimen exchange time, and improves the working efficiency.

The metallographic specimen clamping tool of the utility model is further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of a metallographic specimen clamping tool of the utility model;

FIG. 2 is a schematic structural diagram of a clamping block in the metallographic specimen clamping tool of the utility model;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is a schematic view of an installation structure of an air bag and a handle in the metallographic specimen clamping tool;

FIG. 5 is a mounting structure diagram of an air bag in the metallographic specimen clamping tool;

wherein: 1. a handle; 2. an air bag; 21. a joint; 3. a clamping seat; 4. a clamping block; 41. air holes; 42. a clamping groove; 5. an airway; 6. a support bracket; 7. a resisting block; 8. a push block; 9. a spring; 10. and (4) sucking discs.

Detailed Description

As shown in fig. 1, a preferable embodiment of the metallographic specimen clamping tool according to the present invention includes a clamping base 3, a clamping assembly and an air bag 2, wherein the clamping base 3 is provided with an air passage 5, the air bag 2 is arranged on the upper portion of the clamping base 3, the clamping assembly is detachably fixed on the lower portion of the clamping base 3, the air bag 2 and the clamping assembly are respectively connected with the air passage 5, and the air passage 5 is made to exhale or inhale by squeezing or loosening the air bag 2, so as to release or absorb a workpiece by the clamping assembly. Wherein, the air bag 2 is a rubber air bag 2.

Specifically, when the test piece centre gripping, extrude gasbag 2 earlier, make the gaseous exhaling through air flue 5 in the gasbag 2, the test piece is aimed at to the centre gripping subassembly, loosens gasbag 2, makes in gaseous gasbag 2 of inhaling through air flue 5, forms the negative pressure to absorb the fastening to the test piece. When the test piece is released, the air bag 2 is squeezed again, so that the air in the air bag 2 is exhaled through the air channel 5, and the test piece is separated from the clamping assembly.

The grip slipper 3 is provided with a handle 1. The handle 1 and the holder 3 may be an integral structure or a detachable fixing structure.

The centre gripping frock of this embodiment can realize the centre gripping to the thin slice test piece to through holding handle 1, aim at the mill with the test piece of centre gripping, realize the mill appearance to the test piece, solve present to have the grinding face that the centre gripping difficulty, people's hand centre gripping lead to uneven, easily take off the hand and scotch finger scheduling problem to the thin slice test piece. The surface of the handle 1 is set to be a concave-convex frosted surface, the friction force of the handle 1 is increased, the phenomenon that the tool is out of hand due to the rotation of the mill during sample grinding can be avoided, the feedback of various forces during manual operation can be effectively conducted, the hand feeling emphasized by manual operation is effectively reduced, and the mechanical injury risk is greatly reduced while the processing quality is improved.

The centre gripping frock of this embodiment simple and practical, the operation of being convenient for to can effectually be used for thin slice metallographic specimen's centre gripping, reduce operating personnel's operational risk, the test piece time of getting in exchange is fast, improves work efficiency.

Airway 5 is including breathing mouth, branch mouth, breathes the mouth and locates the upper portion of grip slipper 3, and branch mouth equidistance distributes in the lower part of grip slipper 3, breathes the mouth and passes through the bleeder and be connected with branch mouth. By extruding the air bag 2, the air in the air bag 2 is exhaled through the breathing port and the branch port in sequence. By loosening the airbag 2, the gas is inhaled into the airbag 2 through the branch port and the breathing port in sequence.

As shown in fig. 4 and 5, the air bag 2 is provided with a joint 21, the joint 21 is connected with the breathing port, and a sealing ring is arranged between the joint 21 and the breathing port to ensure the sealing performance between the air bag 2 and the breathing port, so as to prevent air leakage and influence the clamping effect.

The periphery of the lower part of the air bag 2 is provided with a support bracket 6, and the support bracket 6 is arranged on the clamping seat 3. The support bracket 6 is provided with a function of supporting and fixing the air bag 2, so that the connection structure between the air bag 2 and the air passage 5 is ensured, and the phenomenon of air leakage caused by unstable structure is avoided.

As shown in fig. 2 and 3, the clamping assembly includes a clamping block 4, a plurality of air holes 41 are formed in an upper portion of the clamping block 4, the air holes 41 correspond to the branch ports one by one, a clamping groove 42 connected to the air holes 41 is formed in a lower portion of the clamping block 4, a plurality of suction cups 10 are disposed in the clamping groove 42, each suction cup 10 is inserted into the air hole 41, and a suction cup 10 air passage 5 connected to the air hole 41 and penetrating through the suction cup 10 is disposed on the suction cup 10.

By squeezing the air bag 2, the air in the air bag 2 is exhaled through the air passage 5, the air hole 41 and the air passage 5 of the suction cup 10 in sequence. By loosening the air bag 2, the air is sucked into the air bag 2 through the air passage 5, the air hole 41 and the air passage 5 of the suction cup 10 in sequence. When clamping a test piece, the test piece is placed in the clamping groove 42, and suction fixing of the test piece is achieved by the suction cup 10.

The lower part of grip slipper 3 is equipped with the recess, and grip block 4 is installed in the recess through the solid subassembly of card. The clamping and fixing component comprises a supporting block 7 and a spring 9, a pushing block 8 is arranged on the supporting block 7, a sliding groove is formed in the clamping seat 3, the supporting block 7 is arranged in the sliding groove, the spring 9 is arranged between the supporting block 7 and the inner wall of the sliding groove, and a slot matched with the supporting block 7 is formed in the clamping block 4.

The clamping assembly is detachably and fixedly connected with the clamping base 3, the clamping groove 42 in the clamping block 4 is matched with the size of a test piece to be clamped, and the clamping block 4 with the clamping groove 42 in different sizes is replaced to clamp the test pieces in different sizes.

Specifically, when the clamping block 4 and the clamping seat 3 are installed, the pushing block 8 is pushed to enable the abutting block 7 to slide along the sliding groove so as to extrude the spring 9, the abutting block 7 is retracted into the sliding groove, the clamping block 4 is placed in the groove, the pushing block 8 is loosened, the abutting block 7 is inserted into the slot under the elastic force of the spring 9, and the clamping block 4 is fixed; similarly, the pushing block 8 is pushed again, the abutting block 7 extrudes the spring 9, the abutting block 7 is separated from the slot, the clamping block 4 is released, and the clamping assembly is convenient to replace.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a metallographic specimen centre gripping frock which characterized in that: including grip slipper, centre gripping subassembly and gasbag, be equipped with the air flue on the grip slipper, the upper portion at the grip slipper is located to the gasbag, the lower part at the grip slipper can be dismantled and fix to the grip slipper of centre gripping subassembly, gasbag and centre gripping subassembly respectively with the air flue is connected, makes the air flue exhale or breathe in through the extrusion or loosen the gasbag, in order to realize the release or the absorption of centre gripping subassembly to the work piece.

2. The metallographic specimen clamping tool according to claim 1, characterized in that: the air flue includes breathes mouth, branch mouth, breathe the mouth and locate the upper portion of grip slipper, branch mouth equidistance distributes the lower part of grip slipper, breathe the mouth and pass through the bleeder and be connected with branch mouth.

3. The metallographic specimen clamping tool according to claim 2, characterized in that: the air bag is provided with a joint, the joint is connected with the breathing port, and a sealing ring is arranged between the joint and the breathing port.

4. The metallographic specimen clamping tool according to claim 3, characterized in that: the periphery of the lower part of the air bag is provided with a support bracket which is arranged on the clamping seat.

5. The metallographic specimen clamping tool according to claim 1, characterized in that: the clamping assembly comprises a clamping block, a plurality of air holes are formed in the upper portion of the clamping block and correspond to the branch openings one to one, a clamping groove connected with the air holes is formed in the lower portion of the clamping block, a plurality of suckers are arranged in the clamping groove, each sucker is inserted into the air hole, and a sucker air passage connected with the air holes and communicated with the suckers is formed in each sucker.

6. The metallographic specimen clamping tool according to claim 5, characterized in that: the lower part of the clamping seat is provided with a groove, and the clamping block is arranged in the groove through a clamping component.

7. The metallographic specimen clamping tool according to claim 6, characterized in that: the clamping and fixing assembly comprises a supporting block and a spring, a push block is arranged on the supporting block, a sliding groove is formed in the clamping seat, the supporting block is arranged in the sliding groove, the spring is arranged between the supporting block and the inner wall of the sliding groove, and a slot matched with the supporting block is formed in the clamping block.

8. The metallographic specimen clamping tool according to claim 1, characterized in that: the clamping seat is provided with a handle, and the surface of the handle is designed to be a concave-convex frosted surface.