CN221048125U

CN221048125U - Metallographic grinding and polishing machine with powder filtering function

Info

Publication number: CN221048125U
Application number: CN202322637432.0U
Authority: CN
Inventors: 陈炯; 罗俊
Original assignee: Lianxin Testing Jiangsu Co ltd
Current assignee: Lianxin Testing Jiangsu Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-31
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a metallographic polishing machine with a powder filtering function, which comprises a machine barrel arranged in a machine body and provided with an opening at the top, a water retaining ring arranged at the opening of the machine barrel, a polishing disc rotatably arranged in the machine barrel, and a fixing ring circumferentially arranged at the periphery of the polishing disc, wherein an outer expanding ring is circumferentially arranged at the periphery of the fixing ring, the outer expanding ring and the fixing ring are combined to form an annular groove with the opening at the top, a filter element is filled in the annular groove, and a drain hole is further formed in the annular groove. According to the utility model, powder generated by polishing flows into the annular groove along with water flowing to the periphery of the polishing disc, powder in the water is filtered by the filter element, so that the deposition of the powder in the machine barrel is reduced, the service life of the metallographic polishing machine is prolonged, the powder content in discharged water is reduced, and the environmental protection performance of the metallographic polishing machine is improved; the polishing disc drives the filter element to synchronously rotate, so that the efficiency of water flow passing through the filter element can be improved under the action of centrifugal force, and the filtering effect of the filter element is improved.

Description

Metallographic grinding and polishing machine with powder filtering function

Technical Field

The utility model belongs to the technical field of metallographic grinding and polishing machines, and particularly relates to a metallographic grinding and polishing machine with a powder filtering function.

Background

The metallographic sample preparation aims at displaying the real tissue state of a sample, the metallographic mechanical sample preparation process is divided into coarse grinding, fine grinding and polishing stages on a metallographic grinding and polishing machine, the three stages are respectively carried out on the metallographic grinding and polishing machine by selecting 150M silicon carbide abrasive grain, 600M silicon carbide abrasive grain abrasive paper and real silk polishing cloth, and the processing aims of all the stages are to remove the damage caused by the previous working procedure so as to obtain the horizontal surface with very small damage.

In the grinding and polishing process of the metallographic grinding and polishing machine, bath water is needed for cooling, water, sand paper particles and iron particles are thrown onto the inner wall of a polishing and polishing machine barrel along a tangent line from the floating surface of the grinding disc through centrifugal force, the generated particles contain iron powder and aluminum oxide, the aluminum oxide belongs to amphoteric oxides, and corrosion to the inner wall of the polishing and polishing machine barrel can be accelerated when the aluminum oxide meets water; in addition, in the process of discharging the powder along with water flow, the powder can be deposited in a drain pipe, so that the drain pipe is blocked, and the water with the powder is directly discharged, so that the requirement of environmental protection is not met.

Therefore, there is a need for improvements in the prior art metallographic polishing and grinding machines.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art, and provides a metallographic polishing machine with a powder filtering function, which can purify powder generated in the polishing process, reduce the deposition of the powder in a machine body, prolong the service life of the polishing machine and improve the environmental protection performance of the polishing machine.

In order to achieve the above purpose, the specific technical scheme of the metallographic polishing machine with the powder filtering function is as follows:

The utility model provides a metallographic polishing machine with powder filtering capability, includes the quick-witted bucket that sets up in the inside and the open top of organism set up, set up in the manger plate ring of the open department of quick-witted bucket, rotate set up in the inside polishing dish of quick-witted bucket with circumference set up in the solid fixed ring of polishing dish periphery, gu fixed ring's periphery circumference is provided with outer ring that expands, outer ring that expands with gu fixed ring combination forms the open ring channel in top, the ring channel intussuseption is filled with the filter core, the wash port has still been seted up to the ring channel.

Preferably, in order to facilitate the combination of the outer expansion ring and the fixing ring to form an annular groove, the outer expansion ring comprises a vertical annular side wall and a horizontal annular bottom wall, the annular groove is formed by encircling the side wall, the bottom wall and the fixing ring, and the drain holes are uniformly distributed in the side wall and the bottom wall.

Preferably, in order to guide water flow to the filter core, promote purifying effect, lateral wall top circumference is provided with the water conservancy diversion ring, the topside of water conservancy diversion ring extends to directly over the mill, the cross-section of water conservancy diversion ring is arc structure.

Preferably, in order to promote the convenience of being connected between outer ring and the solid fixed ring, the inner peripheral surface of annular lateral wall radially is provided with a plurality of connecting rods, the locating hole has been seted up to the connecting rod, gu fixed ring's top is vertical to be provided with the reference column, the reference column with connecting rod quantity equals and the one-to-one, the reference column runs through the locating hole sets up.

Preferably, in order to promote the firmness of connection between outer expansion ring and the fixed ring, fixed ring bottom periphery circumference is provided with the outer flange, the diapire with outer flange top surface butt.

Preferably, in order to improve the firmness of connection between the fixing ring and the polishing disc, inner flanges are circumferentially arranged on the inner sides of the top and the bottom of the fixing ring, and the two inner flanges are respectively positioned above and below the polishing disc.

Preferably, in order to further improve the firmness of connection between the fixing ring and the polishing disc, a rubber anti-slip layer is arranged on the inner side of the fixing ring.

Preferably, in order to facilitate filling of the filter element inside the annular groove, the filter element is a PP cotton filter element.

Preferably, in order to reduce the probability of water inflow of the motor, a waterproof pipe is vertically arranged at the bottom of the machine barrel, a motor is arranged inside the machine body, a driving shaft of the motor coaxially penetrates through the waterproof pipe, and the driving shaft of the motor is fixedly connected with the polishing disc.

The metallographic grinding and polishing machine with the powder filtering function has the following advantages: powder generated by polishing flows into the annular groove along with water flowing to the periphery of the polishing disc, powder in the water is filtered through the filter element, so that the deposition of the powder in the machine barrel is reduced, the service life of the metallographic polishing machine is prolonged, the powder content in discharged water is reduced, and the environmental protection performance of the metallographic polishing machine is improved; the polishing disc drives the filter element to synchronously rotate, so that the efficiency of water flow passing through the filter element can be improved under the action of centrifugal force, and the filtering effect of the filter element is improved.

Drawings

FIG. 1 is a schematic diagram of a metallographic polishing machine according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the metallographic polishing machine of the utility model;

FIG. 3 is a schematic diagram of a barrel according to the present utility model;

Fig. 4 is an enlarged view of a portion a of fig. 2;

FIG. 5 is a schematic view of the outer ring of the present utility model;

FIG. 6 is a schematic structural view of a retaining ring according to the present utility model;

The figure indicates: 1. a body; 2. a water spray pipe; 3. a motor; 4. a machine barrel; 5. polishing the grinding disc; 6. a water blocking ring; 7. a fixing ring; 8. an outer expansion ring; 9. a filter element; 401. a waterproof pipe; 701. positioning columns; 702. an outer flange; 703. an inner flange; 801. a drain hole; 802. a connecting rod; 803. positioning holes; 804. a guide ring; 805. a sidewall; 806. a bottom wall.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

The terms "top" and "bottom" are used with reference to the normal use of the machine for convenience and simplicity of description, and are not intended to indicate or imply that the apparatus or elements referred to must have, be constructed and operated in a particular orientation and are not to be construed as limiting the utility model.

The metallographic polishing machine with the powder filtering function comprises a machine barrel 4, a water retaining ring 6, a polishing disc 5 and a fixing ring 7, wherein the machine barrel 4 is arranged in a machine body 1, the top of the machine barrel is arranged at an opening, the water retaining ring 6 is arranged at the opening of the machine barrel 4, the polishing disc 5 is rotatably arranged in the machine barrel 4, the fixing ring 7 is circumferentially arranged at the periphery of the polishing disc 5, an outer expansion ring 8 is circumferentially arranged at the periphery of the fixing ring 7, the outer expansion ring 8 and the fixing ring 7 are combined to form an annular groove with an opening top, a filter element 9 is filled in the annular groove, and a drain hole 801 is further formed in the annular groove; the waterproof pipe 401 is vertically arranged at the bottom of the machine barrel 4, the motor 3 is arranged inside the machine body 1, a driving shaft of the motor 3 coaxially penetrates through the waterproof pipe 401, and the driving shaft of the motor 3 is fixedly connected with the polishing disc 5.

When the water purifier is used, the fixed ring 7 is used for fixing sand paper on the polishing disc 5, the water retaining ring 6 can prevent water from splashing outside the machine barrel 4 when the polishing disc 5 is polished, the outer expansion ring 8 and the fixed ring 7 are connected and combined to form an annular groove, the filter element 9 is arranged in the annular groove, the filter element 9 is a PP cotton filter element, so that better filtering effect can be achieved on powder in water flow, and the cost is lower; the waterproof pipe 401 is used for penetrating the driving shaft of the motor 3 and preventing water inside the machine barrel 4 from flowing into the motor 3, so that the waterproof function of the motor 3 is realized, and a sealing ring can be arranged between the waterproof pipe 401 and the driving shaft of the motor 3 to improve the waterproof effect; the motor 3 provides power to drive the polishing disc 5 to rotate, so that samples are polished through the polishing disc 5, and the water spray pipe 2 arranged on the machine body 1 in the polishing process sprays water flow onto the polishing disc 5 to cool the samples; powder and abrasive powder that produce when rivers mix and polish flow around to polishing dish 5 together, afterwards flow into in the ring channel, filter the powder in the rivers through the filter core 9 in the ring channel, reduce the content of powder in the rivers, rivers after filtering flow to the barrel 4 bottom through the wash port 801, afterwards discharge through the drain pipe of barrel 4 bottom, filter the inside powder quantity of rivers reducible deposit guide barrel 4 and drain pipe through filter core 9, slow down the corruption of barrel 4, reduce the probability that the drain pipe takes place to block up, reducible content of powder in the discharge rivers simultaneously, promote metallographic polishing machine's environmental protection performance.

Through setting up filter core 9 around polishing dish 5, not only be convenient for the change of filter core 9, polishing dish 5 can drive filter core 9 simultaneously and rotate together, makes the rivers that pass through filter core 9 under the effect of centrifugal force for through the speed of filter core 9, promotes the purifying effect of filter core 9, and after the use was accomplished, centrifugal force still can spin-dry the water in the filter core 9, makes filter core 9 keep dry, prevents that it from taking place to milden and rot, prolongs its life.

As shown in fig. 4 and 5, the outer expansion ring 8 comprises a vertical annular side wall 805 and a horizontal annular bottom wall 806, the annular groove is formed by enclosing the side wall 805, the bottom wall 806 and the fixing ring 7, and the water drain holes 801 are uniformly distributed on the side wall 805 and the bottom wall 806; a guide ring 804 is circumferentially arranged at the top of the side wall 805, the top edge of the guide ring 804 extends to the position right above the polishing disc 5, and the cross section of the guide ring 804 is of an arc-shaped structure.

When in use, the combination of the bottom wall 806 and the side wall 805 is favorable for forming an annular groove, and the guide ring 804 and the side wall 805 are integrally formed, so that the installation stability of the guide ring can be improved; the arrangement of the guide ring 804 changes the notch direction of the annular groove from upward to the direction facing the center of the grinding disc 5, and the notch is positioned above the grinding disc 5, so that more water flow on the top surface of the grinding disc 5 can flow into the annular groove through the notch, the resistance of the water flow can be reduced due to the design of the arc-shaped structure, and meanwhile, the water flow can flow to the filter element 9 along the arc-shaped structure under the action of centrifugal force, and the water purification efficiency of the filter element 9 is improved; meanwhile, the water flow is pushed by centrifugal force, so that the water flow can pass through the filter element 9 more conveniently, and the blocking probability of the filter element 9 is reduced.

4-6, The inner peripheral surface of the annular side wall 805 is radially provided with a plurality of connecting rods 802, the connecting rods 802 are provided with positioning holes 803, the top of the fixing ring 7 is vertically provided with positioning columns 701, the number of the positioning columns 701 is equal to that of the connecting rods 802 and corresponds to that of the connecting rods 802 one by one, and the positioning columns 701 penetrate through the positioning holes 803; an outer flange 702 is circumferentially arranged on the outer periphery of the bottom of the fixing ring 7, and a bottom wall 806 abuts against the top surface of the outer flange 702. When in use, the outer flange 702 plays a role in supporting the outer expansion ring 8, and meanwhile, the positioning holes 803 and the positioning columns 701 are mutually limited, so that the connecting rod 802 can connect the fixed ring 7 and the outer expansion ring 8; when the outer expansion ring 8 is disassembled, the outer expansion ring 8 can be separated from the fixed ring 7 only by lifting upwards; when the outer expansion ring 8 is installed, the outer expansion ring 8 is downwards sleeved on the fixed ring 7, and the connection with the fixed ring 7 can be realized under the action of the gravity of the outer expansion ring 8; the convenience of the disassembly and assembly of the outer expansion 8 is improved, and the convenience of the replacement of the filter element 9 can be improved.

A further improvement is that, as shown in fig. 6, the inner sides of the top and bottom of the fixing ring 7 are circumferentially provided with inner flanges 703, and the two inner flanges 703 are respectively located above and below the sanding disc 5. The arrangement of the inner flange 703 can play a limiting role from the upper side and the lower side, prevent the fixing ring 7 from falling off from the polishing disc 5 and improve the connection firmness of the fixing ring and the polishing disc; while the upper inner flange 703 also serves to compress sandpaper against the sanding plate 5.

A further improvement is that the inner side of the fixing ring 7 is provided with a rubber anti-slip layer. The anti-slip layer is arranged, so that slipping between the fixed ring 7 and the polishing disc 5 can be prevented, and the filter element 9 can rotate along with the polishing disc 5; secondly can promote sealing performance between fixed ring 7 and the dish of polishing 5, prevent that rivers from flowing away from the clearance between the two to guarantee that more rivers can mirror cabinet filter core 9, promote the filter effect to rivers.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. Metallographic polishing machine with powder filtering capability, including set up in inside and the open quick-witted bucket (4) that sets up in top of organism (1), set up in the manger plate ring (6) of quick-witted bucket (4) uncovered department, rotate set up in inside polishing dish (5) and the circumference of quick-witted bucket (4) set up in fixed ring (7) of polishing dish (5) periphery, its characterized in that:

The periphery circumference of fixed ring (7) is provided with outer ring (8), outer ring (8) with fixed ring (7) combination forms the open ring channel in top, the intussuseption of ring channel is filled with filter core (9), wash port (801) have still been seted up to the ring channel.

2. Metallographic grinding and polishing machine with powder filtering function according to claim 1, characterized in that the outer expansion ring (8) comprises a vertical annular side wall (805) and a horizontal annular bottom wall (806), the annular groove is formed by enclosing the side wall (805), the bottom wall (806) and the fixing ring (7), and the drain holes (801) are uniformly distributed in the side wall (805) and the bottom wall (806).

3. The metallographic polishing machine with the powder filtering function according to claim 2, wherein a guide ring (804) is circumferentially arranged at the top of the side wall (805), the top edge of the guide ring (804) extends to the position right above the polishing disc (5), and the cross section of the guide ring (804) is of an arc-shaped structure.

4. The metallographic polishing machine with the powder filtering function according to claim 2, wherein a plurality of connecting rods (802) are radially arranged on the inner peripheral surface of the annular side wall (805), positioning holes (803) are formed in the connecting rods (802), positioning columns (701) are vertically arranged at the top of the fixing ring (7), the number of the positioning columns (701) is equal to that of the connecting rods (802) and correspond to that of the connecting rods (802), and the positioning columns (701) penetrate through the positioning holes (803).

5. Metallographic polishing machine with powder filtering function according to any one of claims 2-4, wherein the outer periphery of the bottom of the fixed ring (7) is circumferentially provided with an outer flange (702), and the bottom wall (806) abuts against the top surface of the outer flange (702).

6. Metallographic polishing machine with powder filtering function according to claim 5, characterized in that the top and bottom inner sides of the fixed ring (7) are circumferentially provided with inner flanges (703), two inner flanges (703) being respectively located above and below the polishing disc (5).

7. Metallographic polishing machine with powder filtering function according to claim 1, characterized in that the inside of the fixing ring (7) is provided with a rubber anti-slip layer.

8. Metallographic polishing machine with powder filtering function according to claim 1, characterized in that the filter element (9) is a PP cotton filter element.

9. The metallographic polishing machine with the powder filtering function according to claim 1, wherein a waterproof pipe (401) is vertically arranged at the bottom of the machine barrel (4), a motor (3) is arranged inside the machine body (1), a driving shaft of the motor (3) coaxially penetrates through the waterproof pipe (401), and a driving shaft of the motor (3) is fixedly connected with the polishing disc (5).